Source file src/cmd/compile/internal/ssa/rewriteARM64.go

     1  // Code generated from _gen/ARM64.rules using 'go generate'; DO NOT EDIT.
     2  
     3  package ssa
     4  
     5  import "cmd/compile/internal/types"
     6  
     7  func rewriteValueARM64(v *Value) bool {
     8  	switch v.Op {
     9  	case OpARM64ADCSflags:
    10  		return rewriteValueARM64_OpARM64ADCSflags(v)
    11  	case OpARM64ADD:
    12  		return rewriteValueARM64_OpARM64ADD(v)
    13  	case OpARM64ADDSflags:
    14  		return rewriteValueARM64_OpARM64ADDSflags(v)
    15  	case OpARM64ADDconst:
    16  		return rewriteValueARM64_OpARM64ADDconst(v)
    17  	case OpARM64ADDshiftLL:
    18  		return rewriteValueARM64_OpARM64ADDshiftLL(v)
    19  	case OpARM64ADDshiftRA:
    20  		return rewriteValueARM64_OpARM64ADDshiftRA(v)
    21  	case OpARM64ADDshiftRL:
    22  		return rewriteValueARM64_OpARM64ADDshiftRL(v)
    23  	case OpARM64AND:
    24  		return rewriteValueARM64_OpARM64AND(v)
    25  	case OpARM64ANDconst:
    26  		return rewriteValueARM64_OpARM64ANDconst(v)
    27  	case OpARM64ANDshiftLL:
    28  		return rewriteValueARM64_OpARM64ANDshiftLL(v)
    29  	case OpARM64ANDshiftRA:
    30  		return rewriteValueARM64_OpARM64ANDshiftRA(v)
    31  	case OpARM64ANDshiftRL:
    32  		return rewriteValueARM64_OpARM64ANDshiftRL(v)
    33  	case OpARM64ANDshiftRO:
    34  		return rewriteValueARM64_OpARM64ANDshiftRO(v)
    35  	case OpARM64BIC:
    36  		return rewriteValueARM64_OpARM64BIC(v)
    37  	case OpARM64BICshiftLL:
    38  		return rewriteValueARM64_OpARM64BICshiftLL(v)
    39  	case OpARM64BICshiftRA:
    40  		return rewriteValueARM64_OpARM64BICshiftRA(v)
    41  	case OpARM64BICshiftRL:
    42  		return rewriteValueARM64_OpARM64BICshiftRL(v)
    43  	case OpARM64BICshiftRO:
    44  		return rewriteValueARM64_OpARM64BICshiftRO(v)
    45  	case OpARM64CMN:
    46  		return rewriteValueARM64_OpARM64CMN(v)
    47  	case OpARM64CMNW:
    48  		return rewriteValueARM64_OpARM64CMNW(v)
    49  	case OpARM64CMNWconst:
    50  		return rewriteValueARM64_OpARM64CMNWconst(v)
    51  	case OpARM64CMNconst:
    52  		return rewriteValueARM64_OpARM64CMNconst(v)
    53  	case OpARM64CMNshiftLL:
    54  		return rewriteValueARM64_OpARM64CMNshiftLL(v)
    55  	case OpARM64CMNshiftRA:
    56  		return rewriteValueARM64_OpARM64CMNshiftRA(v)
    57  	case OpARM64CMNshiftRL:
    58  		return rewriteValueARM64_OpARM64CMNshiftRL(v)
    59  	case OpARM64CMP:
    60  		return rewriteValueARM64_OpARM64CMP(v)
    61  	case OpARM64CMPW:
    62  		return rewriteValueARM64_OpARM64CMPW(v)
    63  	case OpARM64CMPWconst:
    64  		return rewriteValueARM64_OpARM64CMPWconst(v)
    65  	case OpARM64CMPconst:
    66  		return rewriteValueARM64_OpARM64CMPconst(v)
    67  	case OpARM64CMPshiftLL:
    68  		return rewriteValueARM64_OpARM64CMPshiftLL(v)
    69  	case OpARM64CMPshiftRA:
    70  		return rewriteValueARM64_OpARM64CMPshiftRA(v)
    71  	case OpARM64CMPshiftRL:
    72  		return rewriteValueARM64_OpARM64CMPshiftRL(v)
    73  	case OpARM64CSEL:
    74  		return rewriteValueARM64_OpARM64CSEL(v)
    75  	case OpARM64CSEL0:
    76  		return rewriteValueARM64_OpARM64CSEL0(v)
    77  	case OpARM64CSETM:
    78  		return rewriteValueARM64_OpARM64CSETM(v)
    79  	case OpARM64CSINC:
    80  		return rewriteValueARM64_OpARM64CSINC(v)
    81  	case OpARM64CSINV:
    82  		return rewriteValueARM64_OpARM64CSINV(v)
    83  	case OpARM64CSNEG:
    84  		return rewriteValueARM64_OpARM64CSNEG(v)
    85  	case OpARM64DIV:
    86  		return rewriteValueARM64_OpARM64DIV(v)
    87  	case OpARM64DIVW:
    88  		return rewriteValueARM64_OpARM64DIVW(v)
    89  	case OpARM64EON:
    90  		return rewriteValueARM64_OpARM64EON(v)
    91  	case OpARM64EONshiftLL:
    92  		return rewriteValueARM64_OpARM64EONshiftLL(v)
    93  	case OpARM64EONshiftRA:
    94  		return rewriteValueARM64_OpARM64EONshiftRA(v)
    95  	case OpARM64EONshiftRL:
    96  		return rewriteValueARM64_OpARM64EONshiftRL(v)
    97  	case OpARM64EONshiftRO:
    98  		return rewriteValueARM64_OpARM64EONshiftRO(v)
    99  	case OpARM64Equal:
   100  		return rewriteValueARM64_OpARM64Equal(v)
   101  	case OpARM64FADDD:
   102  		return rewriteValueARM64_OpARM64FADDD(v)
   103  	case OpARM64FADDS:
   104  		return rewriteValueARM64_OpARM64FADDS(v)
   105  	case OpARM64FCMPD:
   106  		return rewriteValueARM64_OpARM64FCMPD(v)
   107  	case OpARM64FCMPS:
   108  		return rewriteValueARM64_OpARM64FCMPS(v)
   109  	case OpARM64FMOVDfpgp:
   110  		return rewriteValueARM64_OpARM64FMOVDfpgp(v)
   111  	case OpARM64FMOVDgpfp:
   112  		return rewriteValueARM64_OpARM64FMOVDgpfp(v)
   113  	case OpARM64FMOVDload:
   114  		return rewriteValueARM64_OpARM64FMOVDload(v)
   115  	case OpARM64FMOVDloadidx:
   116  		return rewriteValueARM64_OpARM64FMOVDloadidx(v)
   117  	case OpARM64FMOVDloadidx8:
   118  		return rewriteValueARM64_OpARM64FMOVDloadidx8(v)
   119  	case OpARM64FMOVDstore:
   120  		return rewriteValueARM64_OpARM64FMOVDstore(v)
   121  	case OpARM64FMOVDstoreidx:
   122  		return rewriteValueARM64_OpARM64FMOVDstoreidx(v)
   123  	case OpARM64FMOVDstoreidx8:
   124  		return rewriteValueARM64_OpARM64FMOVDstoreidx8(v)
   125  	case OpARM64FMOVSload:
   126  		return rewriteValueARM64_OpARM64FMOVSload(v)
   127  	case OpARM64FMOVSloadidx:
   128  		return rewriteValueARM64_OpARM64FMOVSloadidx(v)
   129  	case OpARM64FMOVSloadidx4:
   130  		return rewriteValueARM64_OpARM64FMOVSloadidx4(v)
   131  	case OpARM64FMOVSstore:
   132  		return rewriteValueARM64_OpARM64FMOVSstore(v)
   133  	case OpARM64FMOVSstoreidx:
   134  		return rewriteValueARM64_OpARM64FMOVSstoreidx(v)
   135  	case OpARM64FMOVSstoreidx4:
   136  		return rewriteValueARM64_OpARM64FMOVSstoreidx4(v)
   137  	case OpARM64FMULD:
   138  		return rewriteValueARM64_OpARM64FMULD(v)
   139  	case OpARM64FMULS:
   140  		return rewriteValueARM64_OpARM64FMULS(v)
   141  	case OpARM64FNEGD:
   142  		return rewriteValueARM64_OpARM64FNEGD(v)
   143  	case OpARM64FNEGS:
   144  		return rewriteValueARM64_OpARM64FNEGS(v)
   145  	case OpARM64FNMULD:
   146  		return rewriteValueARM64_OpARM64FNMULD(v)
   147  	case OpARM64FNMULS:
   148  		return rewriteValueARM64_OpARM64FNMULS(v)
   149  	case OpARM64FSUBD:
   150  		return rewriteValueARM64_OpARM64FSUBD(v)
   151  	case OpARM64FSUBS:
   152  		return rewriteValueARM64_OpARM64FSUBS(v)
   153  	case OpARM64GreaterEqual:
   154  		return rewriteValueARM64_OpARM64GreaterEqual(v)
   155  	case OpARM64GreaterEqualF:
   156  		return rewriteValueARM64_OpARM64GreaterEqualF(v)
   157  	case OpARM64GreaterEqualNoov:
   158  		return rewriteValueARM64_OpARM64GreaterEqualNoov(v)
   159  	case OpARM64GreaterEqualU:
   160  		return rewriteValueARM64_OpARM64GreaterEqualU(v)
   161  	case OpARM64GreaterThan:
   162  		return rewriteValueARM64_OpARM64GreaterThan(v)
   163  	case OpARM64GreaterThanF:
   164  		return rewriteValueARM64_OpARM64GreaterThanF(v)
   165  	case OpARM64GreaterThanU:
   166  		return rewriteValueARM64_OpARM64GreaterThanU(v)
   167  	case OpARM64LDP:
   168  		return rewriteValueARM64_OpARM64LDP(v)
   169  	case OpARM64LessEqual:
   170  		return rewriteValueARM64_OpARM64LessEqual(v)
   171  	case OpARM64LessEqualF:
   172  		return rewriteValueARM64_OpARM64LessEqualF(v)
   173  	case OpARM64LessEqualU:
   174  		return rewriteValueARM64_OpARM64LessEqualU(v)
   175  	case OpARM64LessThan:
   176  		return rewriteValueARM64_OpARM64LessThan(v)
   177  	case OpARM64LessThanF:
   178  		return rewriteValueARM64_OpARM64LessThanF(v)
   179  	case OpARM64LessThanNoov:
   180  		return rewriteValueARM64_OpARM64LessThanNoov(v)
   181  	case OpARM64LessThanU:
   182  		return rewriteValueARM64_OpARM64LessThanU(v)
   183  	case OpARM64MADD:
   184  		return rewriteValueARM64_OpARM64MADD(v)
   185  	case OpARM64MADDW:
   186  		return rewriteValueARM64_OpARM64MADDW(v)
   187  	case OpARM64MNEG:
   188  		return rewriteValueARM64_OpARM64MNEG(v)
   189  	case OpARM64MNEGW:
   190  		return rewriteValueARM64_OpARM64MNEGW(v)
   191  	case OpARM64MOD:
   192  		return rewriteValueARM64_OpARM64MOD(v)
   193  	case OpARM64MODW:
   194  		return rewriteValueARM64_OpARM64MODW(v)
   195  	case OpARM64MOVBUload:
   196  		return rewriteValueARM64_OpARM64MOVBUload(v)
   197  	case OpARM64MOVBUloadidx:
   198  		return rewriteValueARM64_OpARM64MOVBUloadidx(v)
   199  	case OpARM64MOVBUreg:
   200  		return rewriteValueARM64_OpARM64MOVBUreg(v)
   201  	case OpARM64MOVBload:
   202  		return rewriteValueARM64_OpARM64MOVBload(v)
   203  	case OpARM64MOVBloadidx:
   204  		return rewriteValueARM64_OpARM64MOVBloadidx(v)
   205  	case OpARM64MOVBreg:
   206  		return rewriteValueARM64_OpARM64MOVBreg(v)
   207  	case OpARM64MOVBstore:
   208  		return rewriteValueARM64_OpARM64MOVBstore(v)
   209  	case OpARM64MOVBstoreidx:
   210  		return rewriteValueARM64_OpARM64MOVBstoreidx(v)
   211  	case OpARM64MOVBstorezero:
   212  		return rewriteValueARM64_OpARM64MOVBstorezero(v)
   213  	case OpARM64MOVBstorezeroidx:
   214  		return rewriteValueARM64_OpARM64MOVBstorezeroidx(v)
   215  	case OpARM64MOVDload:
   216  		return rewriteValueARM64_OpARM64MOVDload(v)
   217  	case OpARM64MOVDloadidx:
   218  		return rewriteValueARM64_OpARM64MOVDloadidx(v)
   219  	case OpARM64MOVDloadidx8:
   220  		return rewriteValueARM64_OpARM64MOVDloadidx8(v)
   221  	case OpARM64MOVDnop:
   222  		return rewriteValueARM64_OpARM64MOVDnop(v)
   223  	case OpARM64MOVDreg:
   224  		return rewriteValueARM64_OpARM64MOVDreg(v)
   225  	case OpARM64MOVDstore:
   226  		return rewriteValueARM64_OpARM64MOVDstore(v)
   227  	case OpARM64MOVDstoreidx:
   228  		return rewriteValueARM64_OpARM64MOVDstoreidx(v)
   229  	case OpARM64MOVDstoreidx8:
   230  		return rewriteValueARM64_OpARM64MOVDstoreidx8(v)
   231  	case OpARM64MOVDstorezero:
   232  		return rewriteValueARM64_OpARM64MOVDstorezero(v)
   233  	case OpARM64MOVDstorezeroidx:
   234  		return rewriteValueARM64_OpARM64MOVDstorezeroidx(v)
   235  	case OpARM64MOVDstorezeroidx8:
   236  		return rewriteValueARM64_OpARM64MOVDstorezeroidx8(v)
   237  	case OpARM64MOVHUload:
   238  		return rewriteValueARM64_OpARM64MOVHUload(v)
   239  	case OpARM64MOVHUloadidx:
   240  		return rewriteValueARM64_OpARM64MOVHUloadidx(v)
   241  	case OpARM64MOVHUloadidx2:
   242  		return rewriteValueARM64_OpARM64MOVHUloadidx2(v)
   243  	case OpARM64MOVHUreg:
   244  		return rewriteValueARM64_OpARM64MOVHUreg(v)
   245  	case OpARM64MOVHload:
   246  		return rewriteValueARM64_OpARM64MOVHload(v)
   247  	case OpARM64MOVHloadidx:
   248  		return rewriteValueARM64_OpARM64MOVHloadidx(v)
   249  	case OpARM64MOVHloadidx2:
   250  		return rewriteValueARM64_OpARM64MOVHloadidx2(v)
   251  	case OpARM64MOVHreg:
   252  		return rewriteValueARM64_OpARM64MOVHreg(v)
   253  	case OpARM64MOVHstore:
   254  		return rewriteValueARM64_OpARM64MOVHstore(v)
   255  	case OpARM64MOVHstoreidx:
   256  		return rewriteValueARM64_OpARM64MOVHstoreidx(v)
   257  	case OpARM64MOVHstoreidx2:
   258  		return rewriteValueARM64_OpARM64MOVHstoreidx2(v)
   259  	case OpARM64MOVHstorezero:
   260  		return rewriteValueARM64_OpARM64MOVHstorezero(v)
   261  	case OpARM64MOVHstorezeroidx:
   262  		return rewriteValueARM64_OpARM64MOVHstorezeroidx(v)
   263  	case OpARM64MOVHstorezeroidx2:
   264  		return rewriteValueARM64_OpARM64MOVHstorezeroidx2(v)
   265  	case OpARM64MOVQstorezero:
   266  		return rewriteValueARM64_OpARM64MOVQstorezero(v)
   267  	case OpARM64MOVWUload:
   268  		return rewriteValueARM64_OpARM64MOVWUload(v)
   269  	case OpARM64MOVWUloadidx:
   270  		return rewriteValueARM64_OpARM64MOVWUloadidx(v)
   271  	case OpARM64MOVWUloadidx4:
   272  		return rewriteValueARM64_OpARM64MOVWUloadidx4(v)
   273  	case OpARM64MOVWUreg:
   274  		return rewriteValueARM64_OpARM64MOVWUreg(v)
   275  	case OpARM64MOVWload:
   276  		return rewriteValueARM64_OpARM64MOVWload(v)
   277  	case OpARM64MOVWloadidx:
   278  		return rewriteValueARM64_OpARM64MOVWloadidx(v)
   279  	case OpARM64MOVWloadidx4:
   280  		return rewriteValueARM64_OpARM64MOVWloadidx4(v)
   281  	case OpARM64MOVWreg:
   282  		return rewriteValueARM64_OpARM64MOVWreg(v)
   283  	case OpARM64MOVWstore:
   284  		return rewriteValueARM64_OpARM64MOVWstore(v)
   285  	case OpARM64MOVWstoreidx:
   286  		return rewriteValueARM64_OpARM64MOVWstoreidx(v)
   287  	case OpARM64MOVWstoreidx4:
   288  		return rewriteValueARM64_OpARM64MOVWstoreidx4(v)
   289  	case OpARM64MOVWstorezero:
   290  		return rewriteValueARM64_OpARM64MOVWstorezero(v)
   291  	case OpARM64MOVWstorezeroidx:
   292  		return rewriteValueARM64_OpARM64MOVWstorezeroidx(v)
   293  	case OpARM64MOVWstorezeroidx4:
   294  		return rewriteValueARM64_OpARM64MOVWstorezeroidx4(v)
   295  	case OpARM64MSUB:
   296  		return rewriteValueARM64_OpARM64MSUB(v)
   297  	case OpARM64MSUBW:
   298  		return rewriteValueARM64_OpARM64MSUBW(v)
   299  	case OpARM64MUL:
   300  		return rewriteValueARM64_OpARM64MUL(v)
   301  	case OpARM64MULW:
   302  		return rewriteValueARM64_OpARM64MULW(v)
   303  	case OpARM64MVN:
   304  		return rewriteValueARM64_OpARM64MVN(v)
   305  	case OpARM64MVNshiftLL:
   306  		return rewriteValueARM64_OpARM64MVNshiftLL(v)
   307  	case OpARM64MVNshiftRA:
   308  		return rewriteValueARM64_OpARM64MVNshiftRA(v)
   309  	case OpARM64MVNshiftRL:
   310  		return rewriteValueARM64_OpARM64MVNshiftRL(v)
   311  	case OpARM64MVNshiftRO:
   312  		return rewriteValueARM64_OpARM64MVNshiftRO(v)
   313  	case OpARM64NEG:
   314  		return rewriteValueARM64_OpARM64NEG(v)
   315  	case OpARM64NEGshiftLL:
   316  		return rewriteValueARM64_OpARM64NEGshiftLL(v)
   317  	case OpARM64NEGshiftRA:
   318  		return rewriteValueARM64_OpARM64NEGshiftRA(v)
   319  	case OpARM64NEGshiftRL:
   320  		return rewriteValueARM64_OpARM64NEGshiftRL(v)
   321  	case OpARM64NotEqual:
   322  		return rewriteValueARM64_OpARM64NotEqual(v)
   323  	case OpARM64OR:
   324  		return rewriteValueARM64_OpARM64OR(v)
   325  	case OpARM64ORN:
   326  		return rewriteValueARM64_OpARM64ORN(v)
   327  	case OpARM64ORNshiftLL:
   328  		return rewriteValueARM64_OpARM64ORNshiftLL(v)
   329  	case OpARM64ORNshiftRA:
   330  		return rewriteValueARM64_OpARM64ORNshiftRA(v)
   331  	case OpARM64ORNshiftRL:
   332  		return rewriteValueARM64_OpARM64ORNshiftRL(v)
   333  	case OpARM64ORNshiftRO:
   334  		return rewriteValueARM64_OpARM64ORNshiftRO(v)
   335  	case OpARM64ORconst:
   336  		return rewriteValueARM64_OpARM64ORconst(v)
   337  	case OpARM64ORshiftLL:
   338  		return rewriteValueARM64_OpARM64ORshiftLL(v)
   339  	case OpARM64ORshiftRA:
   340  		return rewriteValueARM64_OpARM64ORshiftRA(v)
   341  	case OpARM64ORshiftRL:
   342  		return rewriteValueARM64_OpARM64ORshiftRL(v)
   343  	case OpARM64ORshiftRO:
   344  		return rewriteValueARM64_OpARM64ORshiftRO(v)
   345  	case OpARM64REV:
   346  		return rewriteValueARM64_OpARM64REV(v)
   347  	case OpARM64REVW:
   348  		return rewriteValueARM64_OpARM64REVW(v)
   349  	case OpARM64ROR:
   350  		return rewriteValueARM64_OpARM64ROR(v)
   351  	case OpARM64RORW:
   352  		return rewriteValueARM64_OpARM64RORW(v)
   353  	case OpARM64SBCSflags:
   354  		return rewriteValueARM64_OpARM64SBCSflags(v)
   355  	case OpARM64SLL:
   356  		return rewriteValueARM64_OpARM64SLL(v)
   357  	case OpARM64SLLconst:
   358  		return rewriteValueARM64_OpARM64SLLconst(v)
   359  	case OpARM64SRA:
   360  		return rewriteValueARM64_OpARM64SRA(v)
   361  	case OpARM64SRAconst:
   362  		return rewriteValueARM64_OpARM64SRAconst(v)
   363  	case OpARM64SRL:
   364  		return rewriteValueARM64_OpARM64SRL(v)
   365  	case OpARM64SRLconst:
   366  		return rewriteValueARM64_OpARM64SRLconst(v)
   367  	case OpARM64STP:
   368  		return rewriteValueARM64_OpARM64STP(v)
   369  	case OpARM64SUB:
   370  		return rewriteValueARM64_OpARM64SUB(v)
   371  	case OpARM64SUBconst:
   372  		return rewriteValueARM64_OpARM64SUBconst(v)
   373  	case OpARM64SUBshiftLL:
   374  		return rewriteValueARM64_OpARM64SUBshiftLL(v)
   375  	case OpARM64SUBshiftRA:
   376  		return rewriteValueARM64_OpARM64SUBshiftRA(v)
   377  	case OpARM64SUBshiftRL:
   378  		return rewriteValueARM64_OpARM64SUBshiftRL(v)
   379  	case OpARM64TST:
   380  		return rewriteValueARM64_OpARM64TST(v)
   381  	case OpARM64TSTW:
   382  		return rewriteValueARM64_OpARM64TSTW(v)
   383  	case OpARM64TSTWconst:
   384  		return rewriteValueARM64_OpARM64TSTWconst(v)
   385  	case OpARM64TSTconst:
   386  		return rewriteValueARM64_OpARM64TSTconst(v)
   387  	case OpARM64TSTshiftLL:
   388  		return rewriteValueARM64_OpARM64TSTshiftLL(v)
   389  	case OpARM64TSTshiftRA:
   390  		return rewriteValueARM64_OpARM64TSTshiftRA(v)
   391  	case OpARM64TSTshiftRL:
   392  		return rewriteValueARM64_OpARM64TSTshiftRL(v)
   393  	case OpARM64TSTshiftRO:
   394  		return rewriteValueARM64_OpARM64TSTshiftRO(v)
   395  	case OpARM64UBFIZ:
   396  		return rewriteValueARM64_OpARM64UBFIZ(v)
   397  	case OpARM64UBFX:
   398  		return rewriteValueARM64_OpARM64UBFX(v)
   399  	case OpARM64UDIV:
   400  		return rewriteValueARM64_OpARM64UDIV(v)
   401  	case OpARM64UDIVW:
   402  		return rewriteValueARM64_OpARM64UDIVW(v)
   403  	case OpARM64UMOD:
   404  		return rewriteValueARM64_OpARM64UMOD(v)
   405  	case OpARM64UMODW:
   406  		return rewriteValueARM64_OpARM64UMODW(v)
   407  	case OpARM64XOR:
   408  		return rewriteValueARM64_OpARM64XOR(v)
   409  	case OpARM64XORconst:
   410  		return rewriteValueARM64_OpARM64XORconst(v)
   411  	case OpARM64XORshiftLL:
   412  		return rewriteValueARM64_OpARM64XORshiftLL(v)
   413  	case OpARM64XORshiftRA:
   414  		return rewriteValueARM64_OpARM64XORshiftRA(v)
   415  	case OpARM64XORshiftRL:
   416  		return rewriteValueARM64_OpARM64XORshiftRL(v)
   417  	case OpARM64XORshiftRO:
   418  		return rewriteValueARM64_OpARM64XORshiftRO(v)
   419  	case OpAbs:
   420  		v.Op = OpARM64FABSD
   421  		return true
   422  	case OpAdd16:
   423  		v.Op = OpARM64ADD
   424  		return true
   425  	case OpAdd32:
   426  		v.Op = OpARM64ADD
   427  		return true
   428  	case OpAdd32F:
   429  		v.Op = OpARM64FADDS
   430  		return true
   431  	case OpAdd64:
   432  		v.Op = OpARM64ADD
   433  		return true
   434  	case OpAdd64F:
   435  		v.Op = OpARM64FADDD
   436  		return true
   437  	case OpAdd8:
   438  		v.Op = OpARM64ADD
   439  		return true
   440  	case OpAddPtr:
   441  		v.Op = OpARM64ADD
   442  		return true
   443  	case OpAddr:
   444  		return rewriteValueARM64_OpAddr(v)
   445  	case OpAnd16:
   446  		v.Op = OpARM64AND
   447  		return true
   448  	case OpAnd32:
   449  		v.Op = OpARM64AND
   450  		return true
   451  	case OpAnd64:
   452  		v.Op = OpARM64AND
   453  		return true
   454  	case OpAnd8:
   455  		v.Op = OpARM64AND
   456  		return true
   457  	case OpAndB:
   458  		v.Op = OpARM64AND
   459  		return true
   460  	case OpAtomicAdd32:
   461  		v.Op = OpARM64LoweredAtomicAdd32
   462  		return true
   463  	case OpAtomicAdd32Variant:
   464  		v.Op = OpARM64LoweredAtomicAdd32Variant
   465  		return true
   466  	case OpAtomicAdd64:
   467  		v.Op = OpARM64LoweredAtomicAdd64
   468  		return true
   469  	case OpAtomicAdd64Variant:
   470  		v.Op = OpARM64LoweredAtomicAdd64Variant
   471  		return true
   472  	case OpAtomicAnd32:
   473  		v.Op = OpARM64LoweredAtomicAnd32
   474  		return true
   475  	case OpAtomicAnd32Variant:
   476  		v.Op = OpARM64LoweredAtomicAnd32Variant
   477  		return true
   478  	case OpAtomicAnd64:
   479  		v.Op = OpARM64LoweredAtomicAnd64
   480  		return true
   481  	case OpAtomicAnd64Variant:
   482  		v.Op = OpARM64LoweredAtomicAnd64Variant
   483  		return true
   484  	case OpAtomicAnd8:
   485  		v.Op = OpARM64LoweredAtomicAnd8
   486  		return true
   487  	case OpAtomicAnd8Variant:
   488  		v.Op = OpARM64LoweredAtomicAnd8Variant
   489  		return true
   490  	case OpAtomicCompareAndSwap32:
   491  		v.Op = OpARM64LoweredAtomicCas32
   492  		return true
   493  	case OpAtomicCompareAndSwap32Variant:
   494  		v.Op = OpARM64LoweredAtomicCas32Variant
   495  		return true
   496  	case OpAtomicCompareAndSwap64:
   497  		v.Op = OpARM64LoweredAtomicCas64
   498  		return true
   499  	case OpAtomicCompareAndSwap64Variant:
   500  		v.Op = OpARM64LoweredAtomicCas64Variant
   501  		return true
   502  	case OpAtomicExchange32:
   503  		v.Op = OpARM64LoweredAtomicExchange32
   504  		return true
   505  	case OpAtomicExchange32Variant:
   506  		v.Op = OpARM64LoweredAtomicExchange32Variant
   507  		return true
   508  	case OpAtomicExchange64:
   509  		v.Op = OpARM64LoweredAtomicExchange64
   510  		return true
   511  	case OpAtomicExchange64Variant:
   512  		v.Op = OpARM64LoweredAtomicExchange64Variant
   513  		return true
   514  	case OpAtomicLoad32:
   515  		v.Op = OpARM64LDARW
   516  		return true
   517  	case OpAtomicLoad64:
   518  		v.Op = OpARM64LDAR
   519  		return true
   520  	case OpAtomicLoad8:
   521  		v.Op = OpARM64LDARB
   522  		return true
   523  	case OpAtomicLoadPtr:
   524  		v.Op = OpARM64LDAR
   525  		return true
   526  	case OpAtomicOr32:
   527  		v.Op = OpARM64LoweredAtomicOr32
   528  		return true
   529  	case OpAtomicOr32Variant:
   530  		v.Op = OpARM64LoweredAtomicOr32Variant
   531  		return true
   532  	case OpAtomicOr64:
   533  		v.Op = OpARM64LoweredAtomicOr64
   534  		return true
   535  	case OpAtomicOr64Variant:
   536  		v.Op = OpARM64LoweredAtomicOr64Variant
   537  		return true
   538  	case OpAtomicOr8:
   539  		v.Op = OpARM64LoweredAtomicOr8
   540  		return true
   541  	case OpAtomicOr8Variant:
   542  		v.Op = OpARM64LoweredAtomicOr8Variant
   543  		return true
   544  	case OpAtomicStore32:
   545  		v.Op = OpARM64STLRW
   546  		return true
   547  	case OpAtomicStore64:
   548  		v.Op = OpARM64STLR
   549  		return true
   550  	case OpAtomicStore8:
   551  		v.Op = OpARM64STLRB
   552  		return true
   553  	case OpAtomicStorePtrNoWB:
   554  		v.Op = OpARM64STLR
   555  		return true
   556  	case OpAvg64u:
   557  		return rewriteValueARM64_OpAvg64u(v)
   558  	case OpBitLen32:
   559  		return rewriteValueARM64_OpBitLen32(v)
   560  	case OpBitLen64:
   561  		return rewriteValueARM64_OpBitLen64(v)
   562  	case OpBitRev16:
   563  		return rewriteValueARM64_OpBitRev16(v)
   564  	case OpBitRev32:
   565  		v.Op = OpARM64RBITW
   566  		return true
   567  	case OpBitRev64:
   568  		v.Op = OpARM64RBIT
   569  		return true
   570  	case OpBitRev8:
   571  		return rewriteValueARM64_OpBitRev8(v)
   572  	case OpBswap16:
   573  		v.Op = OpARM64REV16W
   574  		return true
   575  	case OpBswap32:
   576  		v.Op = OpARM64REVW
   577  		return true
   578  	case OpBswap64:
   579  		v.Op = OpARM64REV
   580  		return true
   581  	case OpCeil:
   582  		v.Op = OpARM64FRINTPD
   583  		return true
   584  	case OpClosureCall:
   585  		v.Op = OpARM64CALLclosure
   586  		return true
   587  	case OpCom16:
   588  		v.Op = OpARM64MVN
   589  		return true
   590  	case OpCom32:
   591  		v.Op = OpARM64MVN
   592  		return true
   593  	case OpCom64:
   594  		v.Op = OpARM64MVN
   595  		return true
   596  	case OpCom8:
   597  		v.Op = OpARM64MVN
   598  		return true
   599  	case OpCondSelect:
   600  		return rewriteValueARM64_OpCondSelect(v)
   601  	case OpConst16:
   602  		return rewriteValueARM64_OpConst16(v)
   603  	case OpConst32:
   604  		return rewriteValueARM64_OpConst32(v)
   605  	case OpConst32F:
   606  		return rewriteValueARM64_OpConst32F(v)
   607  	case OpConst64:
   608  		return rewriteValueARM64_OpConst64(v)
   609  	case OpConst64F:
   610  		return rewriteValueARM64_OpConst64F(v)
   611  	case OpConst8:
   612  		return rewriteValueARM64_OpConst8(v)
   613  	case OpConstBool:
   614  		return rewriteValueARM64_OpConstBool(v)
   615  	case OpConstNil:
   616  		return rewriteValueARM64_OpConstNil(v)
   617  	case OpCtz16:
   618  		return rewriteValueARM64_OpCtz16(v)
   619  	case OpCtz16NonZero:
   620  		v.Op = OpCtz32
   621  		return true
   622  	case OpCtz32:
   623  		return rewriteValueARM64_OpCtz32(v)
   624  	case OpCtz32NonZero:
   625  		v.Op = OpCtz32
   626  		return true
   627  	case OpCtz64:
   628  		return rewriteValueARM64_OpCtz64(v)
   629  	case OpCtz64NonZero:
   630  		v.Op = OpCtz64
   631  		return true
   632  	case OpCtz8:
   633  		return rewriteValueARM64_OpCtz8(v)
   634  	case OpCtz8NonZero:
   635  		v.Op = OpCtz32
   636  		return true
   637  	case OpCvt32Fto32:
   638  		v.Op = OpARM64FCVTZSSW
   639  		return true
   640  	case OpCvt32Fto32U:
   641  		v.Op = OpARM64FCVTZUSW
   642  		return true
   643  	case OpCvt32Fto64:
   644  		v.Op = OpARM64FCVTZSS
   645  		return true
   646  	case OpCvt32Fto64F:
   647  		v.Op = OpARM64FCVTSD
   648  		return true
   649  	case OpCvt32Fto64U:
   650  		v.Op = OpARM64FCVTZUS
   651  		return true
   652  	case OpCvt32Uto32F:
   653  		v.Op = OpARM64UCVTFWS
   654  		return true
   655  	case OpCvt32Uto64F:
   656  		v.Op = OpARM64UCVTFWD
   657  		return true
   658  	case OpCvt32to32F:
   659  		v.Op = OpARM64SCVTFWS
   660  		return true
   661  	case OpCvt32to64F:
   662  		v.Op = OpARM64SCVTFWD
   663  		return true
   664  	case OpCvt64Fto32:
   665  		v.Op = OpARM64FCVTZSDW
   666  		return true
   667  	case OpCvt64Fto32F:
   668  		v.Op = OpARM64FCVTDS
   669  		return true
   670  	case OpCvt64Fto32U:
   671  		v.Op = OpARM64FCVTZUDW
   672  		return true
   673  	case OpCvt64Fto64:
   674  		v.Op = OpARM64FCVTZSD
   675  		return true
   676  	case OpCvt64Fto64U:
   677  		v.Op = OpARM64FCVTZUD
   678  		return true
   679  	case OpCvt64Uto32F:
   680  		v.Op = OpARM64UCVTFS
   681  		return true
   682  	case OpCvt64Uto64F:
   683  		v.Op = OpARM64UCVTFD
   684  		return true
   685  	case OpCvt64to32F:
   686  		v.Op = OpARM64SCVTFS
   687  		return true
   688  	case OpCvt64to64F:
   689  		v.Op = OpARM64SCVTFD
   690  		return true
   691  	case OpCvtBoolToUint8:
   692  		v.Op = OpCopy
   693  		return true
   694  	case OpDiv16:
   695  		return rewriteValueARM64_OpDiv16(v)
   696  	case OpDiv16u:
   697  		return rewriteValueARM64_OpDiv16u(v)
   698  	case OpDiv32:
   699  		return rewriteValueARM64_OpDiv32(v)
   700  	case OpDiv32F:
   701  		v.Op = OpARM64FDIVS
   702  		return true
   703  	case OpDiv32u:
   704  		v.Op = OpARM64UDIVW
   705  		return true
   706  	case OpDiv64:
   707  		return rewriteValueARM64_OpDiv64(v)
   708  	case OpDiv64F:
   709  		v.Op = OpARM64FDIVD
   710  		return true
   711  	case OpDiv64u:
   712  		v.Op = OpARM64UDIV
   713  		return true
   714  	case OpDiv8:
   715  		return rewriteValueARM64_OpDiv8(v)
   716  	case OpDiv8u:
   717  		return rewriteValueARM64_OpDiv8u(v)
   718  	case OpEq16:
   719  		return rewriteValueARM64_OpEq16(v)
   720  	case OpEq32:
   721  		return rewriteValueARM64_OpEq32(v)
   722  	case OpEq32F:
   723  		return rewriteValueARM64_OpEq32F(v)
   724  	case OpEq64:
   725  		return rewriteValueARM64_OpEq64(v)
   726  	case OpEq64F:
   727  		return rewriteValueARM64_OpEq64F(v)
   728  	case OpEq8:
   729  		return rewriteValueARM64_OpEq8(v)
   730  	case OpEqB:
   731  		return rewriteValueARM64_OpEqB(v)
   732  	case OpEqPtr:
   733  		return rewriteValueARM64_OpEqPtr(v)
   734  	case OpFMA:
   735  		return rewriteValueARM64_OpFMA(v)
   736  	case OpFloor:
   737  		v.Op = OpARM64FRINTMD
   738  		return true
   739  	case OpGetCallerPC:
   740  		v.Op = OpARM64LoweredGetCallerPC
   741  		return true
   742  	case OpGetCallerSP:
   743  		v.Op = OpARM64LoweredGetCallerSP
   744  		return true
   745  	case OpGetClosurePtr:
   746  		v.Op = OpARM64LoweredGetClosurePtr
   747  		return true
   748  	case OpHmul32:
   749  		return rewriteValueARM64_OpHmul32(v)
   750  	case OpHmul32u:
   751  		return rewriteValueARM64_OpHmul32u(v)
   752  	case OpHmul64:
   753  		v.Op = OpARM64MULH
   754  		return true
   755  	case OpHmul64u:
   756  		v.Op = OpARM64UMULH
   757  		return true
   758  	case OpInterCall:
   759  		v.Op = OpARM64CALLinter
   760  		return true
   761  	case OpIsInBounds:
   762  		return rewriteValueARM64_OpIsInBounds(v)
   763  	case OpIsNonNil:
   764  		return rewriteValueARM64_OpIsNonNil(v)
   765  	case OpIsSliceInBounds:
   766  		return rewriteValueARM64_OpIsSliceInBounds(v)
   767  	case OpLeq16:
   768  		return rewriteValueARM64_OpLeq16(v)
   769  	case OpLeq16U:
   770  		return rewriteValueARM64_OpLeq16U(v)
   771  	case OpLeq32:
   772  		return rewriteValueARM64_OpLeq32(v)
   773  	case OpLeq32F:
   774  		return rewriteValueARM64_OpLeq32F(v)
   775  	case OpLeq32U:
   776  		return rewriteValueARM64_OpLeq32U(v)
   777  	case OpLeq64:
   778  		return rewriteValueARM64_OpLeq64(v)
   779  	case OpLeq64F:
   780  		return rewriteValueARM64_OpLeq64F(v)
   781  	case OpLeq64U:
   782  		return rewriteValueARM64_OpLeq64U(v)
   783  	case OpLeq8:
   784  		return rewriteValueARM64_OpLeq8(v)
   785  	case OpLeq8U:
   786  		return rewriteValueARM64_OpLeq8U(v)
   787  	case OpLess16:
   788  		return rewriteValueARM64_OpLess16(v)
   789  	case OpLess16U:
   790  		return rewriteValueARM64_OpLess16U(v)
   791  	case OpLess32:
   792  		return rewriteValueARM64_OpLess32(v)
   793  	case OpLess32F:
   794  		return rewriteValueARM64_OpLess32F(v)
   795  	case OpLess32U:
   796  		return rewriteValueARM64_OpLess32U(v)
   797  	case OpLess64:
   798  		return rewriteValueARM64_OpLess64(v)
   799  	case OpLess64F:
   800  		return rewriteValueARM64_OpLess64F(v)
   801  	case OpLess64U:
   802  		return rewriteValueARM64_OpLess64U(v)
   803  	case OpLess8:
   804  		return rewriteValueARM64_OpLess8(v)
   805  	case OpLess8U:
   806  		return rewriteValueARM64_OpLess8U(v)
   807  	case OpLoad:
   808  		return rewriteValueARM64_OpLoad(v)
   809  	case OpLocalAddr:
   810  		return rewriteValueARM64_OpLocalAddr(v)
   811  	case OpLsh16x16:
   812  		return rewriteValueARM64_OpLsh16x16(v)
   813  	case OpLsh16x32:
   814  		return rewriteValueARM64_OpLsh16x32(v)
   815  	case OpLsh16x64:
   816  		return rewriteValueARM64_OpLsh16x64(v)
   817  	case OpLsh16x8:
   818  		return rewriteValueARM64_OpLsh16x8(v)
   819  	case OpLsh32x16:
   820  		return rewriteValueARM64_OpLsh32x16(v)
   821  	case OpLsh32x32:
   822  		return rewriteValueARM64_OpLsh32x32(v)
   823  	case OpLsh32x64:
   824  		return rewriteValueARM64_OpLsh32x64(v)
   825  	case OpLsh32x8:
   826  		return rewriteValueARM64_OpLsh32x8(v)
   827  	case OpLsh64x16:
   828  		return rewriteValueARM64_OpLsh64x16(v)
   829  	case OpLsh64x32:
   830  		return rewriteValueARM64_OpLsh64x32(v)
   831  	case OpLsh64x64:
   832  		return rewriteValueARM64_OpLsh64x64(v)
   833  	case OpLsh64x8:
   834  		return rewriteValueARM64_OpLsh64x8(v)
   835  	case OpLsh8x16:
   836  		return rewriteValueARM64_OpLsh8x16(v)
   837  	case OpLsh8x32:
   838  		return rewriteValueARM64_OpLsh8x32(v)
   839  	case OpLsh8x64:
   840  		return rewriteValueARM64_OpLsh8x64(v)
   841  	case OpLsh8x8:
   842  		return rewriteValueARM64_OpLsh8x8(v)
   843  	case OpMax32F:
   844  		v.Op = OpARM64FMAXS
   845  		return true
   846  	case OpMax64F:
   847  		v.Op = OpARM64FMAXD
   848  		return true
   849  	case OpMin32F:
   850  		v.Op = OpARM64FMINS
   851  		return true
   852  	case OpMin64F:
   853  		v.Op = OpARM64FMIND
   854  		return true
   855  	case OpMod16:
   856  		return rewriteValueARM64_OpMod16(v)
   857  	case OpMod16u:
   858  		return rewriteValueARM64_OpMod16u(v)
   859  	case OpMod32:
   860  		return rewriteValueARM64_OpMod32(v)
   861  	case OpMod32u:
   862  		v.Op = OpARM64UMODW
   863  		return true
   864  	case OpMod64:
   865  		return rewriteValueARM64_OpMod64(v)
   866  	case OpMod64u:
   867  		v.Op = OpARM64UMOD
   868  		return true
   869  	case OpMod8:
   870  		return rewriteValueARM64_OpMod8(v)
   871  	case OpMod8u:
   872  		return rewriteValueARM64_OpMod8u(v)
   873  	case OpMove:
   874  		return rewriteValueARM64_OpMove(v)
   875  	case OpMul16:
   876  		v.Op = OpARM64MULW
   877  		return true
   878  	case OpMul32:
   879  		v.Op = OpARM64MULW
   880  		return true
   881  	case OpMul32F:
   882  		v.Op = OpARM64FMULS
   883  		return true
   884  	case OpMul64:
   885  		v.Op = OpARM64MUL
   886  		return true
   887  	case OpMul64F:
   888  		v.Op = OpARM64FMULD
   889  		return true
   890  	case OpMul8:
   891  		v.Op = OpARM64MULW
   892  		return true
   893  	case OpNeg16:
   894  		v.Op = OpARM64NEG
   895  		return true
   896  	case OpNeg32:
   897  		v.Op = OpARM64NEG
   898  		return true
   899  	case OpNeg32F:
   900  		v.Op = OpARM64FNEGS
   901  		return true
   902  	case OpNeg64:
   903  		v.Op = OpARM64NEG
   904  		return true
   905  	case OpNeg64F:
   906  		v.Op = OpARM64FNEGD
   907  		return true
   908  	case OpNeg8:
   909  		v.Op = OpARM64NEG
   910  		return true
   911  	case OpNeq16:
   912  		return rewriteValueARM64_OpNeq16(v)
   913  	case OpNeq32:
   914  		return rewriteValueARM64_OpNeq32(v)
   915  	case OpNeq32F:
   916  		return rewriteValueARM64_OpNeq32F(v)
   917  	case OpNeq64:
   918  		return rewriteValueARM64_OpNeq64(v)
   919  	case OpNeq64F:
   920  		return rewriteValueARM64_OpNeq64F(v)
   921  	case OpNeq8:
   922  		return rewriteValueARM64_OpNeq8(v)
   923  	case OpNeqB:
   924  		v.Op = OpARM64XOR
   925  		return true
   926  	case OpNeqPtr:
   927  		return rewriteValueARM64_OpNeqPtr(v)
   928  	case OpNilCheck:
   929  		v.Op = OpARM64LoweredNilCheck
   930  		return true
   931  	case OpNot:
   932  		return rewriteValueARM64_OpNot(v)
   933  	case OpOffPtr:
   934  		return rewriteValueARM64_OpOffPtr(v)
   935  	case OpOr16:
   936  		v.Op = OpARM64OR
   937  		return true
   938  	case OpOr32:
   939  		v.Op = OpARM64OR
   940  		return true
   941  	case OpOr64:
   942  		v.Op = OpARM64OR
   943  		return true
   944  	case OpOr8:
   945  		v.Op = OpARM64OR
   946  		return true
   947  	case OpOrB:
   948  		v.Op = OpARM64OR
   949  		return true
   950  	case OpPanicBounds:
   951  		return rewriteValueARM64_OpPanicBounds(v)
   952  	case OpPopCount16:
   953  		return rewriteValueARM64_OpPopCount16(v)
   954  	case OpPopCount32:
   955  		return rewriteValueARM64_OpPopCount32(v)
   956  	case OpPopCount64:
   957  		return rewriteValueARM64_OpPopCount64(v)
   958  	case OpPrefetchCache:
   959  		return rewriteValueARM64_OpPrefetchCache(v)
   960  	case OpPrefetchCacheStreamed:
   961  		return rewriteValueARM64_OpPrefetchCacheStreamed(v)
   962  	case OpPubBarrier:
   963  		return rewriteValueARM64_OpPubBarrier(v)
   964  	case OpRotateLeft16:
   965  		return rewriteValueARM64_OpRotateLeft16(v)
   966  	case OpRotateLeft32:
   967  		return rewriteValueARM64_OpRotateLeft32(v)
   968  	case OpRotateLeft64:
   969  		return rewriteValueARM64_OpRotateLeft64(v)
   970  	case OpRotateLeft8:
   971  		return rewriteValueARM64_OpRotateLeft8(v)
   972  	case OpRound:
   973  		v.Op = OpARM64FRINTAD
   974  		return true
   975  	case OpRound32F:
   976  		v.Op = OpARM64LoweredRound32F
   977  		return true
   978  	case OpRound64F:
   979  		v.Op = OpARM64LoweredRound64F
   980  		return true
   981  	case OpRoundToEven:
   982  		v.Op = OpARM64FRINTND
   983  		return true
   984  	case OpRsh16Ux16:
   985  		return rewriteValueARM64_OpRsh16Ux16(v)
   986  	case OpRsh16Ux32:
   987  		return rewriteValueARM64_OpRsh16Ux32(v)
   988  	case OpRsh16Ux64:
   989  		return rewriteValueARM64_OpRsh16Ux64(v)
   990  	case OpRsh16Ux8:
   991  		return rewriteValueARM64_OpRsh16Ux8(v)
   992  	case OpRsh16x16:
   993  		return rewriteValueARM64_OpRsh16x16(v)
   994  	case OpRsh16x32:
   995  		return rewriteValueARM64_OpRsh16x32(v)
   996  	case OpRsh16x64:
   997  		return rewriteValueARM64_OpRsh16x64(v)
   998  	case OpRsh16x8:
   999  		return rewriteValueARM64_OpRsh16x8(v)
  1000  	case OpRsh32Ux16:
  1001  		return rewriteValueARM64_OpRsh32Ux16(v)
  1002  	case OpRsh32Ux32:
  1003  		return rewriteValueARM64_OpRsh32Ux32(v)
  1004  	case OpRsh32Ux64:
  1005  		return rewriteValueARM64_OpRsh32Ux64(v)
  1006  	case OpRsh32Ux8:
  1007  		return rewriteValueARM64_OpRsh32Ux8(v)
  1008  	case OpRsh32x16:
  1009  		return rewriteValueARM64_OpRsh32x16(v)
  1010  	case OpRsh32x32:
  1011  		return rewriteValueARM64_OpRsh32x32(v)
  1012  	case OpRsh32x64:
  1013  		return rewriteValueARM64_OpRsh32x64(v)
  1014  	case OpRsh32x8:
  1015  		return rewriteValueARM64_OpRsh32x8(v)
  1016  	case OpRsh64Ux16:
  1017  		return rewriteValueARM64_OpRsh64Ux16(v)
  1018  	case OpRsh64Ux32:
  1019  		return rewriteValueARM64_OpRsh64Ux32(v)
  1020  	case OpRsh64Ux64:
  1021  		return rewriteValueARM64_OpRsh64Ux64(v)
  1022  	case OpRsh64Ux8:
  1023  		return rewriteValueARM64_OpRsh64Ux8(v)
  1024  	case OpRsh64x16:
  1025  		return rewriteValueARM64_OpRsh64x16(v)
  1026  	case OpRsh64x32:
  1027  		return rewriteValueARM64_OpRsh64x32(v)
  1028  	case OpRsh64x64:
  1029  		return rewriteValueARM64_OpRsh64x64(v)
  1030  	case OpRsh64x8:
  1031  		return rewriteValueARM64_OpRsh64x8(v)
  1032  	case OpRsh8Ux16:
  1033  		return rewriteValueARM64_OpRsh8Ux16(v)
  1034  	case OpRsh8Ux32:
  1035  		return rewriteValueARM64_OpRsh8Ux32(v)
  1036  	case OpRsh8Ux64:
  1037  		return rewriteValueARM64_OpRsh8Ux64(v)
  1038  	case OpRsh8Ux8:
  1039  		return rewriteValueARM64_OpRsh8Ux8(v)
  1040  	case OpRsh8x16:
  1041  		return rewriteValueARM64_OpRsh8x16(v)
  1042  	case OpRsh8x32:
  1043  		return rewriteValueARM64_OpRsh8x32(v)
  1044  	case OpRsh8x64:
  1045  		return rewriteValueARM64_OpRsh8x64(v)
  1046  	case OpRsh8x8:
  1047  		return rewriteValueARM64_OpRsh8x8(v)
  1048  	case OpSelect0:
  1049  		return rewriteValueARM64_OpSelect0(v)
  1050  	case OpSelect1:
  1051  		return rewriteValueARM64_OpSelect1(v)
  1052  	case OpSelectN:
  1053  		return rewriteValueARM64_OpSelectN(v)
  1054  	case OpSignExt16to32:
  1055  		v.Op = OpARM64MOVHreg
  1056  		return true
  1057  	case OpSignExt16to64:
  1058  		v.Op = OpARM64MOVHreg
  1059  		return true
  1060  	case OpSignExt32to64:
  1061  		v.Op = OpARM64MOVWreg
  1062  		return true
  1063  	case OpSignExt8to16:
  1064  		v.Op = OpARM64MOVBreg
  1065  		return true
  1066  	case OpSignExt8to32:
  1067  		v.Op = OpARM64MOVBreg
  1068  		return true
  1069  	case OpSignExt8to64:
  1070  		v.Op = OpARM64MOVBreg
  1071  		return true
  1072  	case OpSlicemask:
  1073  		return rewriteValueARM64_OpSlicemask(v)
  1074  	case OpSqrt:
  1075  		v.Op = OpARM64FSQRTD
  1076  		return true
  1077  	case OpSqrt32:
  1078  		v.Op = OpARM64FSQRTS
  1079  		return true
  1080  	case OpStaticCall:
  1081  		v.Op = OpARM64CALLstatic
  1082  		return true
  1083  	case OpStore:
  1084  		return rewriteValueARM64_OpStore(v)
  1085  	case OpSub16:
  1086  		v.Op = OpARM64SUB
  1087  		return true
  1088  	case OpSub32:
  1089  		v.Op = OpARM64SUB
  1090  		return true
  1091  	case OpSub32F:
  1092  		v.Op = OpARM64FSUBS
  1093  		return true
  1094  	case OpSub64:
  1095  		v.Op = OpARM64SUB
  1096  		return true
  1097  	case OpSub64F:
  1098  		v.Op = OpARM64FSUBD
  1099  		return true
  1100  	case OpSub8:
  1101  		v.Op = OpARM64SUB
  1102  		return true
  1103  	case OpSubPtr:
  1104  		v.Op = OpARM64SUB
  1105  		return true
  1106  	case OpTailCall:
  1107  		v.Op = OpARM64CALLtail
  1108  		return true
  1109  	case OpTrunc:
  1110  		v.Op = OpARM64FRINTZD
  1111  		return true
  1112  	case OpTrunc16to8:
  1113  		v.Op = OpCopy
  1114  		return true
  1115  	case OpTrunc32to16:
  1116  		v.Op = OpCopy
  1117  		return true
  1118  	case OpTrunc32to8:
  1119  		v.Op = OpCopy
  1120  		return true
  1121  	case OpTrunc64to16:
  1122  		v.Op = OpCopy
  1123  		return true
  1124  	case OpTrunc64to32:
  1125  		v.Op = OpCopy
  1126  		return true
  1127  	case OpTrunc64to8:
  1128  		v.Op = OpCopy
  1129  		return true
  1130  	case OpWB:
  1131  		v.Op = OpARM64LoweredWB
  1132  		return true
  1133  	case OpXor16:
  1134  		v.Op = OpARM64XOR
  1135  		return true
  1136  	case OpXor32:
  1137  		v.Op = OpARM64XOR
  1138  		return true
  1139  	case OpXor64:
  1140  		v.Op = OpARM64XOR
  1141  		return true
  1142  	case OpXor8:
  1143  		v.Op = OpARM64XOR
  1144  		return true
  1145  	case OpZero:
  1146  		return rewriteValueARM64_OpZero(v)
  1147  	case OpZeroExt16to32:
  1148  		v.Op = OpARM64MOVHUreg
  1149  		return true
  1150  	case OpZeroExt16to64:
  1151  		v.Op = OpARM64MOVHUreg
  1152  		return true
  1153  	case OpZeroExt32to64:
  1154  		v.Op = OpARM64MOVWUreg
  1155  		return true
  1156  	case OpZeroExt8to16:
  1157  		v.Op = OpARM64MOVBUreg
  1158  		return true
  1159  	case OpZeroExt8to32:
  1160  		v.Op = OpARM64MOVBUreg
  1161  		return true
  1162  	case OpZeroExt8to64:
  1163  		v.Op = OpARM64MOVBUreg
  1164  		return true
  1165  	}
  1166  	return false
  1167  }
  1168  func rewriteValueARM64_OpARM64ADCSflags(v *Value) bool {
  1169  	v_2 := v.Args[2]
  1170  	v_1 := v.Args[1]
  1171  	v_0 := v.Args[0]
  1172  	b := v.Block
  1173  	typ := &b.Func.Config.Types
  1174  	// match: (ADCSflags x y (Select1 <types.TypeFlags> (ADDSconstflags [-1] (ADCzerocarry <typ.UInt64> c))))
  1175  	// result: (ADCSflags x y c)
  1176  	for {
  1177  		x := v_0
  1178  		y := v_1
  1179  		if v_2.Op != OpSelect1 || v_2.Type != types.TypeFlags {
  1180  			break
  1181  		}
  1182  		v_2_0 := v_2.Args[0]
  1183  		if v_2_0.Op != OpARM64ADDSconstflags || auxIntToInt64(v_2_0.AuxInt) != -1 {
  1184  			break
  1185  		}
  1186  		v_2_0_0 := v_2_0.Args[0]
  1187  		if v_2_0_0.Op != OpARM64ADCzerocarry || v_2_0_0.Type != typ.UInt64 {
  1188  			break
  1189  		}
  1190  		c := v_2_0_0.Args[0]
  1191  		v.reset(OpARM64ADCSflags)
  1192  		v.AddArg3(x, y, c)
  1193  		return true
  1194  	}
  1195  	// match: (ADCSflags x y (Select1 <types.TypeFlags> (ADDSconstflags [-1] (MOVDconst [0]))))
  1196  	// result: (ADDSflags x y)
  1197  	for {
  1198  		x := v_0
  1199  		y := v_1
  1200  		if v_2.Op != OpSelect1 || v_2.Type != types.TypeFlags {
  1201  			break
  1202  		}
  1203  		v_2_0 := v_2.Args[0]
  1204  		if v_2_0.Op != OpARM64ADDSconstflags || auxIntToInt64(v_2_0.AuxInt) != -1 {
  1205  			break
  1206  		}
  1207  		v_2_0_0 := v_2_0.Args[0]
  1208  		if v_2_0_0.Op != OpARM64MOVDconst || auxIntToInt64(v_2_0_0.AuxInt) != 0 {
  1209  			break
  1210  		}
  1211  		v.reset(OpARM64ADDSflags)
  1212  		v.AddArg2(x, y)
  1213  		return true
  1214  	}
  1215  	return false
  1216  }
  1217  func rewriteValueARM64_OpARM64ADD(v *Value) bool {
  1218  	v_1 := v.Args[1]
  1219  	v_0 := v.Args[0]
  1220  	// match: (ADD x (MOVDconst <t> [c]))
  1221  	// cond: !t.IsPtr()
  1222  	// result: (ADDconst [c] x)
  1223  	for {
  1224  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1225  			x := v_0
  1226  			if v_1.Op != OpARM64MOVDconst {
  1227  				continue
  1228  			}
  1229  			t := v_1.Type
  1230  			c := auxIntToInt64(v_1.AuxInt)
  1231  			if !(!t.IsPtr()) {
  1232  				continue
  1233  			}
  1234  			v.reset(OpARM64ADDconst)
  1235  			v.AuxInt = int64ToAuxInt(c)
  1236  			v.AddArg(x)
  1237  			return true
  1238  		}
  1239  		break
  1240  	}
  1241  	// match: (ADD a l:(MUL x y))
  1242  	// cond: l.Uses==1 && clobber(l)
  1243  	// result: (MADD a x y)
  1244  	for {
  1245  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1246  			a := v_0
  1247  			l := v_1
  1248  			if l.Op != OpARM64MUL {
  1249  				continue
  1250  			}
  1251  			y := l.Args[1]
  1252  			x := l.Args[0]
  1253  			if !(l.Uses == 1 && clobber(l)) {
  1254  				continue
  1255  			}
  1256  			v.reset(OpARM64MADD)
  1257  			v.AddArg3(a, x, y)
  1258  			return true
  1259  		}
  1260  		break
  1261  	}
  1262  	// match: (ADD a l:(MNEG x y))
  1263  	// cond: l.Uses==1 && clobber(l)
  1264  	// result: (MSUB a x y)
  1265  	for {
  1266  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1267  			a := v_0
  1268  			l := v_1
  1269  			if l.Op != OpARM64MNEG {
  1270  				continue
  1271  			}
  1272  			y := l.Args[1]
  1273  			x := l.Args[0]
  1274  			if !(l.Uses == 1 && clobber(l)) {
  1275  				continue
  1276  			}
  1277  			v.reset(OpARM64MSUB)
  1278  			v.AddArg3(a, x, y)
  1279  			return true
  1280  		}
  1281  		break
  1282  	}
  1283  	// match: (ADD a l:(MULW x y))
  1284  	// cond: v.Type.Size() <= 4 && l.Uses==1 && clobber(l)
  1285  	// result: (MADDW a x y)
  1286  	for {
  1287  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1288  			a := v_0
  1289  			l := v_1
  1290  			if l.Op != OpARM64MULW {
  1291  				continue
  1292  			}
  1293  			y := l.Args[1]
  1294  			x := l.Args[0]
  1295  			if !(v.Type.Size() <= 4 && l.Uses == 1 && clobber(l)) {
  1296  				continue
  1297  			}
  1298  			v.reset(OpARM64MADDW)
  1299  			v.AddArg3(a, x, y)
  1300  			return true
  1301  		}
  1302  		break
  1303  	}
  1304  	// match: (ADD a l:(MNEGW x y))
  1305  	// cond: v.Type.Size() <= 4 && l.Uses==1 && clobber(l)
  1306  	// result: (MSUBW a x y)
  1307  	for {
  1308  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1309  			a := v_0
  1310  			l := v_1
  1311  			if l.Op != OpARM64MNEGW {
  1312  				continue
  1313  			}
  1314  			y := l.Args[1]
  1315  			x := l.Args[0]
  1316  			if !(v.Type.Size() <= 4 && l.Uses == 1 && clobber(l)) {
  1317  				continue
  1318  			}
  1319  			v.reset(OpARM64MSUBW)
  1320  			v.AddArg3(a, x, y)
  1321  			return true
  1322  		}
  1323  		break
  1324  	}
  1325  	// match: (ADD x (NEG y))
  1326  	// result: (SUB x y)
  1327  	for {
  1328  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1329  			x := v_0
  1330  			if v_1.Op != OpARM64NEG {
  1331  				continue
  1332  			}
  1333  			y := v_1.Args[0]
  1334  			v.reset(OpARM64SUB)
  1335  			v.AddArg2(x, y)
  1336  			return true
  1337  		}
  1338  		break
  1339  	}
  1340  	// match: (ADD x0 x1:(SLLconst [c] y))
  1341  	// cond: clobberIfDead(x1)
  1342  	// result: (ADDshiftLL x0 y [c])
  1343  	for {
  1344  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1345  			x0 := v_0
  1346  			x1 := v_1
  1347  			if x1.Op != OpARM64SLLconst {
  1348  				continue
  1349  			}
  1350  			c := auxIntToInt64(x1.AuxInt)
  1351  			y := x1.Args[0]
  1352  			if !(clobberIfDead(x1)) {
  1353  				continue
  1354  			}
  1355  			v.reset(OpARM64ADDshiftLL)
  1356  			v.AuxInt = int64ToAuxInt(c)
  1357  			v.AddArg2(x0, y)
  1358  			return true
  1359  		}
  1360  		break
  1361  	}
  1362  	// match: (ADD x0 x1:(SRLconst [c] y))
  1363  	// cond: clobberIfDead(x1)
  1364  	// result: (ADDshiftRL x0 y [c])
  1365  	for {
  1366  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1367  			x0 := v_0
  1368  			x1 := v_1
  1369  			if x1.Op != OpARM64SRLconst {
  1370  				continue
  1371  			}
  1372  			c := auxIntToInt64(x1.AuxInt)
  1373  			y := x1.Args[0]
  1374  			if !(clobberIfDead(x1)) {
  1375  				continue
  1376  			}
  1377  			v.reset(OpARM64ADDshiftRL)
  1378  			v.AuxInt = int64ToAuxInt(c)
  1379  			v.AddArg2(x0, y)
  1380  			return true
  1381  		}
  1382  		break
  1383  	}
  1384  	// match: (ADD x0 x1:(SRAconst [c] y))
  1385  	// cond: clobberIfDead(x1)
  1386  	// result: (ADDshiftRA x0 y [c])
  1387  	for {
  1388  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1389  			x0 := v_0
  1390  			x1 := v_1
  1391  			if x1.Op != OpARM64SRAconst {
  1392  				continue
  1393  			}
  1394  			c := auxIntToInt64(x1.AuxInt)
  1395  			y := x1.Args[0]
  1396  			if !(clobberIfDead(x1)) {
  1397  				continue
  1398  			}
  1399  			v.reset(OpARM64ADDshiftRA)
  1400  			v.AuxInt = int64ToAuxInt(c)
  1401  			v.AddArg2(x0, y)
  1402  			return true
  1403  		}
  1404  		break
  1405  	}
  1406  	return false
  1407  }
  1408  func rewriteValueARM64_OpARM64ADDSflags(v *Value) bool {
  1409  	v_1 := v.Args[1]
  1410  	v_0 := v.Args[0]
  1411  	// match: (ADDSflags x (MOVDconst [c]))
  1412  	// result: (ADDSconstflags [c] x)
  1413  	for {
  1414  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1415  			x := v_0
  1416  			if v_1.Op != OpARM64MOVDconst {
  1417  				continue
  1418  			}
  1419  			c := auxIntToInt64(v_1.AuxInt)
  1420  			v.reset(OpARM64ADDSconstflags)
  1421  			v.AuxInt = int64ToAuxInt(c)
  1422  			v.AddArg(x)
  1423  			return true
  1424  		}
  1425  		break
  1426  	}
  1427  	return false
  1428  }
  1429  func rewriteValueARM64_OpARM64ADDconst(v *Value) bool {
  1430  	v_0 := v.Args[0]
  1431  	// match: (ADDconst [off1] (MOVDaddr [off2] {sym} ptr))
  1432  	// cond: is32Bit(off1+int64(off2))
  1433  	// result: (MOVDaddr [int32(off1)+off2] {sym} ptr)
  1434  	for {
  1435  		off1 := auxIntToInt64(v.AuxInt)
  1436  		if v_0.Op != OpARM64MOVDaddr {
  1437  			break
  1438  		}
  1439  		off2 := auxIntToInt32(v_0.AuxInt)
  1440  		sym := auxToSym(v_0.Aux)
  1441  		ptr := v_0.Args[0]
  1442  		if !(is32Bit(off1 + int64(off2))) {
  1443  			break
  1444  		}
  1445  		v.reset(OpARM64MOVDaddr)
  1446  		v.AuxInt = int32ToAuxInt(int32(off1) + off2)
  1447  		v.Aux = symToAux(sym)
  1448  		v.AddArg(ptr)
  1449  		return true
  1450  	}
  1451  	// match: (ADDconst [c] y)
  1452  	// cond: c < 0
  1453  	// result: (SUBconst [-c] y)
  1454  	for {
  1455  		c := auxIntToInt64(v.AuxInt)
  1456  		y := v_0
  1457  		if !(c < 0) {
  1458  			break
  1459  		}
  1460  		v.reset(OpARM64SUBconst)
  1461  		v.AuxInt = int64ToAuxInt(-c)
  1462  		v.AddArg(y)
  1463  		return true
  1464  	}
  1465  	// match: (ADDconst [0] x)
  1466  	// result: x
  1467  	for {
  1468  		if auxIntToInt64(v.AuxInt) != 0 {
  1469  			break
  1470  		}
  1471  		x := v_0
  1472  		v.copyOf(x)
  1473  		return true
  1474  	}
  1475  	// match: (ADDconst [c] (MOVDconst [d]))
  1476  	// result: (MOVDconst [c+d])
  1477  	for {
  1478  		c := auxIntToInt64(v.AuxInt)
  1479  		if v_0.Op != OpARM64MOVDconst {
  1480  			break
  1481  		}
  1482  		d := auxIntToInt64(v_0.AuxInt)
  1483  		v.reset(OpARM64MOVDconst)
  1484  		v.AuxInt = int64ToAuxInt(c + d)
  1485  		return true
  1486  	}
  1487  	// match: (ADDconst [c] (ADDconst [d] x))
  1488  	// result: (ADDconst [c+d] x)
  1489  	for {
  1490  		c := auxIntToInt64(v.AuxInt)
  1491  		if v_0.Op != OpARM64ADDconst {
  1492  			break
  1493  		}
  1494  		d := auxIntToInt64(v_0.AuxInt)
  1495  		x := v_0.Args[0]
  1496  		v.reset(OpARM64ADDconst)
  1497  		v.AuxInt = int64ToAuxInt(c + d)
  1498  		v.AddArg(x)
  1499  		return true
  1500  	}
  1501  	// match: (ADDconst [c] (SUBconst [d] x))
  1502  	// result: (ADDconst [c-d] x)
  1503  	for {
  1504  		c := auxIntToInt64(v.AuxInt)
  1505  		if v_0.Op != OpARM64SUBconst {
  1506  			break
  1507  		}
  1508  		d := auxIntToInt64(v_0.AuxInt)
  1509  		x := v_0.Args[0]
  1510  		v.reset(OpARM64ADDconst)
  1511  		v.AuxInt = int64ToAuxInt(c - d)
  1512  		v.AddArg(x)
  1513  		return true
  1514  	}
  1515  	return false
  1516  }
  1517  func rewriteValueARM64_OpARM64ADDshiftLL(v *Value) bool {
  1518  	v_1 := v.Args[1]
  1519  	v_0 := v.Args[0]
  1520  	b := v.Block
  1521  	typ := &b.Func.Config.Types
  1522  	// match: (ADDshiftLL (MOVDconst [c]) x [d])
  1523  	// result: (ADDconst [c] (SLLconst <x.Type> x [d]))
  1524  	for {
  1525  		d := auxIntToInt64(v.AuxInt)
  1526  		if v_0.Op != OpARM64MOVDconst {
  1527  			break
  1528  		}
  1529  		c := auxIntToInt64(v_0.AuxInt)
  1530  		x := v_1
  1531  		v.reset(OpARM64ADDconst)
  1532  		v.AuxInt = int64ToAuxInt(c)
  1533  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  1534  		v0.AuxInt = int64ToAuxInt(d)
  1535  		v0.AddArg(x)
  1536  		v.AddArg(v0)
  1537  		return true
  1538  	}
  1539  	// match: (ADDshiftLL x (MOVDconst [c]) [d])
  1540  	// result: (ADDconst x [int64(uint64(c)<<uint64(d))])
  1541  	for {
  1542  		d := auxIntToInt64(v.AuxInt)
  1543  		x := v_0
  1544  		if v_1.Op != OpARM64MOVDconst {
  1545  			break
  1546  		}
  1547  		c := auxIntToInt64(v_1.AuxInt)
  1548  		v.reset(OpARM64ADDconst)
  1549  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
  1550  		v.AddArg(x)
  1551  		return true
  1552  	}
  1553  	// match: (ADDshiftLL <typ.UInt16> [8] (UBFX <typ.UInt16> [armBFAuxInt(8, 8)] x) x)
  1554  	// result: (REV16W x)
  1555  	for {
  1556  		if v.Type != typ.UInt16 || auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || v_0.Type != typ.UInt16 || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 8) {
  1557  			break
  1558  		}
  1559  		x := v_0.Args[0]
  1560  		if x != v_1 {
  1561  			break
  1562  		}
  1563  		v.reset(OpARM64REV16W)
  1564  		v.AddArg(x)
  1565  		return true
  1566  	}
  1567  	// match: (ADDshiftLL [8] (UBFX [armBFAuxInt(8, 24)] (ANDconst [c1] x)) (ANDconst [c2] x))
  1568  	// cond: uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff
  1569  	// result: (REV16W x)
  1570  	for {
  1571  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 24) {
  1572  			break
  1573  		}
  1574  		v_0_0 := v_0.Args[0]
  1575  		if v_0_0.Op != OpARM64ANDconst {
  1576  			break
  1577  		}
  1578  		c1 := auxIntToInt64(v_0_0.AuxInt)
  1579  		x := v_0_0.Args[0]
  1580  		if v_1.Op != OpARM64ANDconst {
  1581  			break
  1582  		}
  1583  		c2 := auxIntToInt64(v_1.AuxInt)
  1584  		if x != v_1.Args[0] || !(uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff) {
  1585  			break
  1586  		}
  1587  		v.reset(OpARM64REV16W)
  1588  		v.AddArg(x)
  1589  		return true
  1590  	}
  1591  	// match: (ADDshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
  1592  	// cond: (uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff)
  1593  	// result: (REV16 x)
  1594  	for {
  1595  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
  1596  			break
  1597  		}
  1598  		v_0_0 := v_0.Args[0]
  1599  		if v_0_0.Op != OpARM64ANDconst {
  1600  			break
  1601  		}
  1602  		c1 := auxIntToInt64(v_0_0.AuxInt)
  1603  		x := v_0_0.Args[0]
  1604  		if v_1.Op != OpARM64ANDconst {
  1605  			break
  1606  		}
  1607  		c2 := auxIntToInt64(v_1.AuxInt)
  1608  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff) {
  1609  			break
  1610  		}
  1611  		v.reset(OpARM64REV16)
  1612  		v.AddArg(x)
  1613  		return true
  1614  	}
  1615  	// match: (ADDshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
  1616  	// cond: (uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff)
  1617  	// result: (REV16 (ANDconst <x.Type> [0xffffffff] x))
  1618  	for {
  1619  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
  1620  			break
  1621  		}
  1622  		v_0_0 := v_0.Args[0]
  1623  		if v_0_0.Op != OpARM64ANDconst {
  1624  			break
  1625  		}
  1626  		c1 := auxIntToInt64(v_0_0.AuxInt)
  1627  		x := v_0_0.Args[0]
  1628  		if v_1.Op != OpARM64ANDconst {
  1629  			break
  1630  		}
  1631  		c2 := auxIntToInt64(v_1.AuxInt)
  1632  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff) {
  1633  			break
  1634  		}
  1635  		v.reset(OpARM64REV16)
  1636  		v0 := b.NewValue0(v.Pos, OpARM64ANDconst, x.Type)
  1637  		v0.AuxInt = int64ToAuxInt(0xffffffff)
  1638  		v0.AddArg(x)
  1639  		v.AddArg(v0)
  1640  		return true
  1641  	}
  1642  	// match: (ADDshiftLL [c] (SRLconst x [64-c]) x2)
  1643  	// result: (EXTRconst [64-c] x2 x)
  1644  	for {
  1645  		c := auxIntToInt64(v.AuxInt)
  1646  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 64-c {
  1647  			break
  1648  		}
  1649  		x := v_0.Args[0]
  1650  		x2 := v_1
  1651  		v.reset(OpARM64EXTRconst)
  1652  		v.AuxInt = int64ToAuxInt(64 - c)
  1653  		v.AddArg2(x2, x)
  1654  		return true
  1655  	}
  1656  	// match: (ADDshiftLL <t> [c] (UBFX [bfc] x) x2)
  1657  	// cond: c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)
  1658  	// result: (EXTRWconst [32-c] x2 x)
  1659  	for {
  1660  		t := v.Type
  1661  		c := auxIntToInt64(v.AuxInt)
  1662  		if v_0.Op != OpARM64UBFX {
  1663  			break
  1664  		}
  1665  		bfc := auxIntToArm64BitField(v_0.AuxInt)
  1666  		x := v_0.Args[0]
  1667  		x2 := v_1
  1668  		if !(c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)) {
  1669  			break
  1670  		}
  1671  		v.reset(OpARM64EXTRWconst)
  1672  		v.AuxInt = int64ToAuxInt(32 - c)
  1673  		v.AddArg2(x2, x)
  1674  		return true
  1675  	}
  1676  	return false
  1677  }
  1678  func rewriteValueARM64_OpARM64ADDshiftRA(v *Value) bool {
  1679  	v_1 := v.Args[1]
  1680  	v_0 := v.Args[0]
  1681  	b := v.Block
  1682  	// match: (ADDshiftRA (MOVDconst [c]) x [d])
  1683  	// result: (ADDconst [c] (SRAconst <x.Type> x [d]))
  1684  	for {
  1685  		d := auxIntToInt64(v.AuxInt)
  1686  		if v_0.Op != OpARM64MOVDconst {
  1687  			break
  1688  		}
  1689  		c := auxIntToInt64(v_0.AuxInt)
  1690  		x := v_1
  1691  		v.reset(OpARM64ADDconst)
  1692  		v.AuxInt = int64ToAuxInt(c)
  1693  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
  1694  		v0.AuxInt = int64ToAuxInt(d)
  1695  		v0.AddArg(x)
  1696  		v.AddArg(v0)
  1697  		return true
  1698  	}
  1699  	// match: (ADDshiftRA x (MOVDconst [c]) [d])
  1700  	// result: (ADDconst x [c>>uint64(d)])
  1701  	for {
  1702  		d := auxIntToInt64(v.AuxInt)
  1703  		x := v_0
  1704  		if v_1.Op != OpARM64MOVDconst {
  1705  			break
  1706  		}
  1707  		c := auxIntToInt64(v_1.AuxInt)
  1708  		v.reset(OpARM64ADDconst)
  1709  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
  1710  		v.AddArg(x)
  1711  		return true
  1712  	}
  1713  	return false
  1714  }
  1715  func rewriteValueARM64_OpARM64ADDshiftRL(v *Value) bool {
  1716  	v_1 := v.Args[1]
  1717  	v_0 := v.Args[0]
  1718  	b := v.Block
  1719  	// match: (ADDshiftRL (MOVDconst [c]) x [d])
  1720  	// result: (ADDconst [c] (SRLconst <x.Type> x [d]))
  1721  	for {
  1722  		d := auxIntToInt64(v.AuxInt)
  1723  		if v_0.Op != OpARM64MOVDconst {
  1724  			break
  1725  		}
  1726  		c := auxIntToInt64(v_0.AuxInt)
  1727  		x := v_1
  1728  		v.reset(OpARM64ADDconst)
  1729  		v.AuxInt = int64ToAuxInt(c)
  1730  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
  1731  		v0.AuxInt = int64ToAuxInt(d)
  1732  		v0.AddArg(x)
  1733  		v.AddArg(v0)
  1734  		return true
  1735  	}
  1736  	// match: (ADDshiftRL x (MOVDconst [c]) [d])
  1737  	// result: (ADDconst x [int64(uint64(c)>>uint64(d))])
  1738  	for {
  1739  		d := auxIntToInt64(v.AuxInt)
  1740  		x := v_0
  1741  		if v_1.Op != OpARM64MOVDconst {
  1742  			break
  1743  		}
  1744  		c := auxIntToInt64(v_1.AuxInt)
  1745  		v.reset(OpARM64ADDconst)
  1746  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
  1747  		v.AddArg(x)
  1748  		return true
  1749  	}
  1750  	return false
  1751  }
  1752  func rewriteValueARM64_OpARM64AND(v *Value) bool {
  1753  	v_1 := v.Args[1]
  1754  	v_0 := v.Args[0]
  1755  	// match: (AND x (MOVDconst [c]))
  1756  	// result: (ANDconst [c] x)
  1757  	for {
  1758  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1759  			x := v_0
  1760  			if v_1.Op != OpARM64MOVDconst {
  1761  				continue
  1762  			}
  1763  			c := auxIntToInt64(v_1.AuxInt)
  1764  			v.reset(OpARM64ANDconst)
  1765  			v.AuxInt = int64ToAuxInt(c)
  1766  			v.AddArg(x)
  1767  			return true
  1768  		}
  1769  		break
  1770  	}
  1771  	// match: (AND x x)
  1772  	// result: x
  1773  	for {
  1774  		x := v_0
  1775  		if x != v_1 {
  1776  			break
  1777  		}
  1778  		v.copyOf(x)
  1779  		return true
  1780  	}
  1781  	// match: (AND x (MVN y))
  1782  	// result: (BIC x y)
  1783  	for {
  1784  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1785  			x := v_0
  1786  			if v_1.Op != OpARM64MVN {
  1787  				continue
  1788  			}
  1789  			y := v_1.Args[0]
  1790  			v.reset(OpARM64BIC)
  1791  			v.AddArg2(x, y)
  1792  			return true
  1793  		}
  1794  		break
  1795  	}
  1796  	// match: (AND x0 x1:(SLLconst [c] y))
  1797  	// cond: clobberIfDead(x1)
  1798  	// result: (ANDshiftLL x0 y [c])
  1799  	for {
  1800  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1801  			x0 := v_0
  1802  			x1 := v_1
  1803  			if x1.Op != OpARM64SLLconst {
  1804  				continue
  1805  			}
  1806  			c := auxIntToInt64(x1.AuxInt)
  1807  			y := x1.Args[0]
  1808  			if !(clobberIfDead(x1)) {
  1809  				continue
  1810  			}
  1811  			v.reset(OpARM64ANDshiftLL)
  1812  			v.AuxInt = int64ToAuxInt(c)
  1813  			v.AddArg2(x0, y)
  1814  			return true
  1815  		}
  1816  		break
  1817  	}
  1818  	// match: (AND x0 x1:(SRLconst [c] y))
  1819  	// cond: clobberIfDead(x1)
  1820  	// result: (ANDshiftRL x0 y [c])
  1821  	for {
  1822  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1823  			x0 := v_0
  1824  			x1 := v_1
  1825  			if x1.Op != OpARM64SRLconst {
  1826  				continue
  1827  			}
  1828  			c := auxIntToInt64(x1.AuxInt)
  1829  			y := x1.Args[0]
  1830  			if !(clobberIfDead(x1)) {
  1831  				continue
  1832  			}
  1833  			v.reset(OpARM64ANDshiftRL)
  1834  			v.AuxInt = int64ToAuxInt(c)
  1835  			v.AddArg2(x0, y)
  1836  			return true
  1837  		}
  1838  		break
  1839  	}
  1840  	// match: (AND x0 x1:(SRAconst [c] y))
  1841  	// cond: clobberIfDead(x1)
  1842  	// result: (ANDshiftRA x0 y [c])
  1843  	for {
  1844  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1845  			x0 := v_0
  1846  			x1 := v_1
  1847  			if x1.Op != OpARM64SRAconst {
  1848  				continue
  1849  			}
  1850  			c := auxIntToInt64(x1.AuxInt)
  1851  			y := x1.Args[0]
  1852  			if !(clobberIfDead(x1)) {
  1853  				continue
  1854  			}
  1855  			v.reset(OpARM64ANDshiftRA)
  1856  			v.AuxInt = int64ToAuxInt(c)
  1857  			v.AddArg2(x0, y)
  1858  			return true
  1859  		}
  1860  		break
  1861  	}
  1862  	// match: (AND x0 x1:(RORconst [c] y))
  1863  	// cond: clobberIfDead(x1)
  1864  	// result: (ANDshiftRO x0 y [c])
  1865  	for {
  1866  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1867  			x0 := v_0
  1868  			x1 := v_1
  1869  			if x1.Op != OpARM64RORconst {
  1870  				continue
  1871  			}
  1872  			c := auxIntToInt64(x1.AuxInt)
  1873  			y := x1.Args[0]
  1874  			if !(clobberIfDead(x1)) {
  1875  				continue
  1876  			}
  1877  			v.reset(OpARM64ANDshiftRO)
  1878  			v.AuxInt = int64ToAuxInt(c)
  1879  			v.AddArg2(x0, y)
  1880  			return true
  1881  		}
  1882  		break
  1883  	}
  1884  	return false
  1885  }
  1886  func rewriteValueARM64_OpARM64ANDconst(v *Value) bool {
  1887  	v_0 := v.Args[0]
  1888  	// match: (ANDconst [0] _)
  1889  	// result: (MOVDconst [0])
  1890  	for {
  1891  		if auxIntToInt64(v.AuxInt) != 0 {
  1892  			break
  1893  		}
  1894  		v.reset(OpARM64MOVDconst)
  1895  		v.AuxInt = int64ToAuxInt(0)
  1896  		return true
  1897  	}
  1898  	// match: (ANDconst [-1] x)
  1899  	// result: x
  1900  	for {
  1901  		if auxIntToInt64(v.AuxInt) != -1 {
  1902  			break
  1903  		}
  1904  		x := v_0
  1905  		v.copyOf(x)
  1906  		return true
  1907  	}
  1908  	// match: (ANDconst [c] (MOVDconst [d]))
  1909  	// result: (MOVDconst [c&d])
  1910  	for {
  1911  		c := auxIntToInt64(v.AuxInt)
  1912  		if v_0.Op != OpARM64MOVDconst {
  1913  			break
  1914  		}
  1915  		d := auxIntToInt64(v_0.AuxInt)
  1916  		v.reset(OpARM64MOVDconst)
  1917  		v.AuxInt = int64ToAuxInt(c & d)
  1918  		return true
  1919  	}
  1920  	// match: (ANDconst [c] (ANDconst [d] x))
  1921  	// result: (ANDconst [c&d] x)
  1922  	for {
  1923  		c := auxIntToInt64(v.AuxInt)
  1924  		if v_0.Op != OpARM64ANDconst {
  1925  			break
  1926  		}
  1927  		d := auxIntToInt64(v_0.AuxInt)
  1928  		x := v_0.Args[0]
  1929  		v.reset(OpARM64ANDconst)
  1930  		v.AuxInt = int64ToAuxInt(c & d)
  1931  		v.AddArg(x)
  1932  		return true
  1933  	}
  1934  	// match: (ANDconst [c] (MOVWUreg x))
  1935  	// result: (ANDconst [c&(1<<32-1)] x)
  1936  	for {
  1937  		c := auxIntToInt64(v.AuxInt)
  1938  		if v_0.Op != OpARM64MOVWUreg {
  1939  			break
  1940  		}
  1941  		x := v_0.Args[0]
  1942  		v.reset(OpARM64ANDconst)
  1943  		v.AuxInt = int64ToAuxInt(c & (1<<32 - 1))
  1944  		v.AddArg(x)
  1945  		return true
  1946  	}
  1947  	// match: (ANDconst [c] (MOVHUreg x))
  1948  	// result: (ANDconst [c&(1<<16-1)] x)
  1949  	for {
  1950  		c := auxIntToInt64(v.AuxInt)
  1951  		if v_0.Op != OpARM64MOVHUreg {
  1952  			break
  1953  		}
  1954  		x := v_0.Args[0]
  1955  		v.reset(OpARM64ANDconst)
  1956  		v.AuxInt = int64ToAuxInt(c & (1<<16 - 1))
  1957  		v.AddArg(x)
  1958  		return true
  1959  	}
  1960  	// match: (ANDconst [c] (MOVBUreg x))
  1961  	// result: (ANDconst [c&(1<<8-1)] x)
  1962  	for {
  1963  		c := auxIntToInt64(v.AuxInt)
  1964  		if v_0.Op != OpARM64MOVBUreg {
  1965  			break
  1966  		}
  1967  		x := v_0.Args[0]
  1968  		v.reset(OpARM64ANDconst)
  1969  		v.AuxInt = int64ToAuxInt(c & (1<<8 - 1))
  1970  		v.AddArg(x)
  1971  		return true
  1972  	}
  1973  	// match: (ANDconst [ac] (SLLconst [sc] x))
  1974  	// cond: isARM64BFMask(sc, ac, sc)
  1975  	// result: (UBFIZ [armBFAuxInt(sc, arm64BFWidth(ac, sc))] x)
  1976  	for {
  1977  		ac := auxIntToInt64(v.AuxInt)
  1978  		if v_0.Op != OpARM64SLLconst {
  1979  			break
  1980  		}
  1981  		sc := auxIntToInt64(v_0.AuxInt)
  1982  		x := v_0.Args[0]
  1983  		if !(isARM64BFMask(sc, ac, sc)) {
  1984  			break
  1985  		}
  1986  		v.reset(OpARM64UBFIZ)
  1987  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc, arm64BFWidth(ac, sc)))
  1988  		v.AddArg(x)
  1989  		return true
  1990  	}
  1991  	// match: (ANDconst [ac] (SRLconst [sc] x))
  1992  	// cond: isARM64BFMask(sc, ac, 0)
  1993  	// result: (UBFX [armBFAuxInt(sc, arm64BFWidth(ac, 0))] x)
  1994  	for {
  1995  		ac := auxIntToInt64(v.AuxInt)
  1996  		if v_0.Op != OpARM64SRLconst {
  1997  			break
  1998  		}
  1999  		sc := auxIntToInt64(v_0.AuxInt)
  2000  		x := v_0.Args[0]
  2001  		if !(isARM64BFMask(sc, ac, 0)) {
  2002  			break
  2003  		}
  2004  		v.reset(OpARM64UBFX)
  2005  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc, arm64BFWidth(ac, 0)))
  2006  		v.AddArg(x)
  2007  		return true
  2008  	}
  2009  	// match: (ANDconst [c] (UBFX [bfc] x))
  2010  	// cond: isARM64BFMask(0, c, 0)
  2011  	// result: (UBFX [armBFAuxInt(bfc.getARM64BFlsb(), min(bfc.getARM64BFwidth(), arm64BFWidth(c, 0)))] x)
  2012  	for {
  2013  		c := auxIntToInt64(v.AuxInt)
  2014  		if v_0.Op != OpARM64UBFX {
  2015  			break
  2016  		}
  2017  		bfc := auxIntToArm64BitField(v_0.AuxInt)
  2018  		x := v_0.Args[0]
  2019  		if !(isARM64BFMask(0, c, 0)) {
  2020  			break
  2021  		}
  2022  		v.reset(OpARM64UBFX)
  2023  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb(), min(bfc.getARM64BFwidth(), arm64BFWidth(c, 0))))
  2024  		v.AddArg(x)
  2025  		return true
  2026  	}
  2027  	return false
  2028  }
  2029  func rewriteValueARM64_OpARM64ANDshiftLL(v *Value) bool {
  2030  	v_1 := v.Args[1]
  2031  	v_0 := v.Args[0]
  2032  	b := v.Block
  2033  	// match: (ANDshiftLL (MOVDconst [c]) x [d])
  2034  	// result: (ANDconst [c] (SLLconst <x.Type> x [d]))
  2035  	for {
  2036  		d := auxIntToInt64(v.AuxInt)
  2037  		if v_0.Op != OpARM64MOVDconst {
  2038  			break
  2039  		}
  2040  		c := auxIntToInt64(v_0.AuxInt)
  2041  		x := v_1
  2042  		v.reset(OpARM64ANDconst)
  2043  		v.AuxInt = int64ToAuxInt(c)
  2044  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  2045  		v0.AuxInt = int64ToAuxInt(d)
  2046  		v0.AddArg(x)
  2047  		v.AddArg(v0)
  2048  		return true
  2049  	}
  2050  	// match: (ANDshiftLL x (MOVDconst [c]) [d])
  2051  	// result: (ANDconst x [int64(uint64(c)<<uint64(d))])
  2052  	for {
  2053  		d := auxIntToInt64(v.AuxInt)
  2054  		x := v_0
  2055  		if v_1.Op != OpARM64MOVDconst {
  2056  			break
  2057  		}
  2058  		c := auxIntToInt64(v_1.AuxInt)
  2059  		v.reset(OpARM64ANDconst)
  2060  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
  2061  		v.AddArg(x)
  2062  		return true
  2063  	}
  2064  	// match: (ANDshiftLL y:(SLLconst x [c]) x [c])
  2065  	// result: y
  2066  	for {
  2067  		c := auxIntToInt64(v.AuxInt)
  2068  		y := v_0
  2069  		if y.Op != OpARM64SLLconst || auxIntToInt64(y.AuxInt) != c {
  2070  			break
  2071  		}
  2072  		x := y.Args[0]
  2073  		if x != v_1 {
  2074  			break
  2075  		}
  2076  		v.copyOf(y)
  2077  		return true
  2078  	}
  2079  	return false
  2080  }
  2081  func rewriteValueARM64_OpARM64ANDshiftRA(v *Value) bool {
  2082  	v_1 := v.Args[1]
  2083  	v_0 := v.Args[0]
  2084  	b := v.Block
  2085  	// match: (ANDshiftRA (MOVDconst [c]) x [d])
  2086  	// result: (ANDconst [c] (SRAconst <x.Type> x [d]))
  2087  	for {
  2088  		d := auxIntToInt64(v.AuxInt)
  2089  		if v_0.Op != OpARM64MOVDconst {
  2090  			break
  2091  		}
  2092  		c := auxIntToInt64(v_0.AuxInt)
  2093  		x := v_1
  2094  		v.reset(OpARM64ANDconst)
  2095  		v.AuxInt = int64ToAuxInt(c)
  2096  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
  2097  		v0.AuxInt = int64ToAuxInt(d)
  2098  		v0.AddArg(x)
  2099  		v.AddArg(v0)
  2100  		return true
  2101  	}
  2102  	// match: (ANDshiftRA x (MOVDconst [c]) [d])
  2103  	// result: (ANDconst x [c>>uint64(d)])
  2104  	for {
  2105  		d := auxIntToInt64(v.AuxInt)
  2106  		x := v_0
  2107  		if v_1.Op != OpARM64MOVDconst {
  2108  			break
  2109  		}
  2110  		c := auxIntToInt64(v_1.AuxInt)
  2111  		v.reset(OpARM64ANDconst)
  2112  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
  2113  		v.AddArg(x)
  2114  		return true
  2115  	}
  2116  	// match: (ANDshiftRA y:(SRAconst x [c]) x [c])
  2117  	// result: y
  2118  	for {
  2119  		c := auxIntToInt64(v.AuxInt)
  2120  		y := v_0
  2121  		if y.Op != OpARM64SRAconst || auxIntToInt64(y.AuxInt) != c {
  2122  			break
  2123  		}
  2124  		x := y.Args[0]
  2125  		if x != v_1 {
  2126  			break
  2127  		}
  2128  		v.copyOf(y)
  2129  		return true
  2130  	}
  2131  	return false
  2132  }
  2133  func rewriteValueARM64_OpARM64ANDshiftRL(v *Value) bool {
  2134  	v_1 := v.Args[1]
  2135  	v_0 := v.Args[0]
  2136  	b := v.Block
  2137  	// match: (ANDshiftRL (MOVDconst [c]) x [d])
  2138  	// result: (ANDconst [c] (SRLconst <x.Type> x [d]))
  2139  	for {
  2140  		d := auxIntToInt64(v.AuxInt)
  2141  		if v_0.Op != OpARM64MOVDconst {
  2142  			break
  2143  		}
  2144  		c := auxIntToInt64(v_0.AuxInt)
  2145  		x := v_1
  2146  		v.reset(OpARM64ANDconst)
  2147  		v.AuxInt = int64ToAuxInt(c)
  2148  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
  2149  		v0.AuxInt = int64ToAuxInt(d)
  2150  		v0.AddArg(x)
  2151  		v.AddArg(v0)
  2152  		return true
  2153  	}
  2154  	// match: (ANDshiftRL x (MOVDconst [c]) [d])
  2155  	// result: (ANDconst x [int64(uint64(c)>>uint64(d))])
  2156  	for {
  2157  		d := auxIntToInt64(v.AuxInt)
  2158  		x := v_0
  2159  		if v_1.Op != OpARM64MOVDconst {
  2160  			break
  2161  		}
  2162  		c := auxIntToInt64(v_1.AuxInt)
  2163  		v.reset(OpARM64ANDconst)
  2164  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
  2165  		v.AddArg(x)
  2166  		return true
  2167  	}
  2168  	// match: (ANDshiftRL y:(SRLconst x [c]) x [c])
  2169  	// result: y
  2170  	for {
  2171  		c := auxIntToInt64(v.AuxInt)
  2172  		y := v_0
  2173  		if y.Op != OpARM64SRLconst || auxIntToInt64(y.AuxInt) != c {
  2174  			break
  2175  		}
  2176  		x := y.Args[0]
  2177  		if x != v_1 {
  2178  			break
  2179  		}
  2180  		v.copyOf(y)
  2181  		return true
  2182  	}
  2183  	return false
  2184  }
  2185  func rewriteValueARM64_OpARM64ANDshiftRO(v *Value) bool {
  2186  	v_1 := v.Args[1]
  2187  	v_0 := v.Args[0]
  2188  	b := v.Block
  2189  	// match: (ANDshiftRO (MOVDconst [c]) x [d])
  2190  	// result: (ANDconst [c] (RORconst <x.Type> x [d]))
  2191  	for {
  2192  		d := auxIntToInt64(v.AuxInt)
  2193  		if v_0.Op != OpARM64MOVDconst {
  2194  			break
  2195  		}
  2196  		c := auxIntToInt64(v_0.AuxInt)
  2197  		x := v_1
  2198  		v.reset(OpARM64ANDconst)
  2199  		v.AuxInt = int64ToAuxInt(c)
  2200  		v0 := b.NewValue0(v.Pos, OpARM64RORconst, x.Type)
  2201  		v0.AuxInt = int64ToAuxInt(d)
  2202  		v0.AddArg(x)
  2203  		v.AddArg(v0)
  2204  		return true
  2205  	}
  2206  	// match: (ANDshiftRO x (MOVDconst [c]) [d])
  2207  	// result: (ANDconst x [rotateRight64(c, d)])
  2208  	for {
  2209  		d := auxIntToInt64(v.AuxInt)
  2210  		x := v_0
  2211  		if v_1.Op != OpARM64MOVDconst {
  2212  			break
  2213  		}
  2214  		c := auxIntToInt64(v_1.AuxInt)
  2215  		v.reset(OpARM64ANDconst)
  2216  		v.AuxInt = int64ToAuxInt(rotateRight64(c, d))
  2217  		v.AddArg(x)
  2218  		return true
  2219  	}
  2220  	// match: (ANDshiftRO y:(RORconst x [c]) x [c])
  2221  	// result: y
  2222  	for {
  2223  		c := auxIntToInt64(v.AuxInt)
  2224  		y := v_0
  2225  		if y.Op != OpARM64RORconst || auxIntToInt64(y.AuxInt) != c {
  2226  			break
  2227  		}
  2228  		x := y.Args[0]
  2229  		if x != v_1 {
  2230  			break
  2231  		}
  2232  		v.copyOf(y)
  2233  		return true
  2234  	}
  2235  	return false
  2236  }
  2237  func rewriteValueARM64_OpARM64BIC(v *Value) bool {
  2238  	v_1 := v.Args[1]
  2239  	v_0 := v.Args[0]
  2240  	// match: (BIC x (MOVDconst [c]))
  2241  	// result: (ANDconst [^c] x)
  2242  	for {
  2243  		x := v_0
  2244  		if v_1.Op != OpARM64MOVDconst {
  2245  			break
  2246  		}
  2247  		c := auxIntToInt64(v_1.AuxInt)
  2248  		v.reset(OpARM64ANDconst)
  2249  		v.AuxInt = int64ToAuxInt(^c)
  2250  		v.AddArg(x)
  2251  		return true
  2252  	}
  2253  	// match: (BIC x x)
  2254  	// result: (MOVDconst [0])
  2255  	for {
  2256  		x := v_0
  2257  		if x != v_1 {
  2258  			break
  2259  		}
  2260  		v.reset(OpARM64MOVDconst)
  2261  		v.AuxInt = int64ToAuxInt(0)
  2262  		return true
  2263  	}
  2264  	// match: (BIC x0 x1:(SLLconst [c] y))
  2265  	// cond: clobberIfDead(x1)
  2266  	// result: (BICshiftLL x0 y [c])
  2267  	for {
  2268  		x0 := v_0
  2269  		x1 := v_1
  2270  		if x1.Op != OpARM64SLLconst {
  2271  			break
  2272  		}
  2273  		c := auxIntToInt64(x1.AuxInt)
  2274  		y := x1.Args[0]
  2275  		if !(clobberIfDead(x1)) {
  2276  			break
  2277  		}
  2278  		v.reset(OpARM64BICshiftLL)
  2279  		v.AuxInt = int64ToAuxInt(c)
  2280  		v.AddArg2(x0, y)
  2281  		return true
  2282  	}
  2283  	// match: (BIC x0 x1:(SRLconst [c] y))
  2284  	// cond: clobberIfDead(x1)
  2285  	// result: (BICshiftRL x0 y [c])
  2286  	for {
  2287  		x0 := v_0
  2288  		x1 := v_1
  2289  		if x1.Op != OpARM64SRLconst {
  2290  			break
  2291  		}
  2292  		c := auxIntToInt64(x1.AuxInt)
  2293  		y := x1.Args[0]
  2294  		if !(clobberIfDead(x1)) {
  2295  			break
  2296  		}
  2297  		v.reset(OpARM64BICshiftRL)
  2298  		v.AuxInt = int64ToAuxInt(c)
  2299  		v.AddArg2(x0, y)
  2300  		return true
  2301  	}
  2302  	// match: (BIC x0 x1:(SRAconst [c] y))
  2303  	// cond: clobberIfDead(x1)
  2304  	// result: (BICshiftRA x0 y [c])
  2305  	for {
  2306  		x0 := v_0
  2307  		x1 := v_1
  2308  		if x1.Op != OpARM64SRAconst {
  2309  			break
  2310  		}
  2311  		c := auxIntToInt64(x1.AuxInt)
  2312  		y := x1.Args[0]
  2313  		if !(clobberIfDead(x1)) {
  2314  			break
  2315  		}
  2316  		v.reset(OpARM64BICshiftRA)
  2317  		v.AuxInt = int64ToAuxInt(c)
  2318  		v.AddArg2(x0, y)
  2319  		return true
  2320  	}
  2321  	// match: (BIC x0 x1:(RORconst [c] y))
  2322  	// cond: clobberIfDead(x1)
  2323  	// result: (BICshiftRO x0 y [c])
  2324  	for {
  2325  		x0 := v_0
  2326  		x1 := v_1
  2327  		if x1.Op != OpARM64RORconst {
  2328  			break
  2329  		}
  2330  		c := auxIntToInt64(x1.AuxInt)
  2331  		y := x1.Args[0]
  2332  		if !(clobberIfDead(x1)) {
  2333  			break
  2334  		}
  2335  		v.reset(OpARM64BICshiftRO)
  2336  		v.AuxInt = int64ToAuxInt(c)
  2337  		v.AddArg2(x0, y)
  2338  		return true
  2339  	}
  2340  	return false
  2341  }
  2342  func rewriteValueARM64_OpARM64BICshiftLL(v *Value) bool {
  2343  	v_1 := v.Args[1]
  2344  	v_0 := v.Args[0]
  2345  	// match: (BICshiftLL x (MOVDconst [c]) [d])
  2346  	// result: (ANDconst x [^int64(uint64(c)<<uint64(d))])
  2347  	for {
  2348  		d := auxIntToInt64(v.AuxInt)
  2349  		x := v_0
  2350  		if v_1.Op != OpARM64MOVDconst {
  2351  			break
  2352  		}
  2353  		c := auxIntToInt64(v_1.AuxInt)
  2354  		v.reset(OpARM64ANDconst)
  2355  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) << uint64(d)))
  2356  		v.AddArg(x)
  2357  		return true
  2358  	}
  2359  	// match: (BICshiftLL (SLLconst x [c]) x [c])
  2360  	// result: (MOVDconst [0])
  2361  	for {
  2362  		c := auxIntToInt64(v.AuxInt)
  2363  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
  2364  			break
  2365  		}
  2366  		x := v_0.Args[0]
  2367  		if x != v_1 {
  2368  			break
  2369  		}
  2370  		v.reset(OpARM64MOVDconst)
  2371  		v.AuxInt = int64ToAuxInt(0)
  2372  		return true
  2373  	}
  2374  	return false
  2375  }
  2376  func rewriteValueARM64_OpARM64BICshiftRA(v *Value) bool {
  2377  	v_1 := v.Args[1]
  2378  	v_0 := v.Args[0]
  2379  	// match: (BICshiftRA x (MOVDconst [c]) [d])
  2380  	// result: (ANDconst x [^(c>>uint64(d))])
  2381  	for {
  2382  		d := auxIntToInt64(v.AuxInt)
  2383  		x := v_0
  2384  		if v_1.Op != OpARM64MOVDconst {
  2385  			break
  2386  		}
  2387  		c := auxIntToInt64(v_1.AuxInt)
  2388  		v.reset(OpARM64ANDconst)
  2389  		v.AuxInt = int64ToAuxInt(^(c >> uint64(d)))
  2390  		v.AddArg(x)
  2391  		return true
  2392  	}
  2393  	// match: (BICshiftRA (SRAconst x [c]) x [c])
  2394  	// result: (MOVDconst [0])
  2395  	for {
  2396  		c := auxIntToInt64(v.AuxInt)
  2397  		if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c {
  2398  			break
  2399  		}
  2400  		x := v_0.Args[0]
  2401  		if x != v_1 {
  2402  			break
  2403  		}
  2404  		v.reset(OpARM64MOVDconst)
  2405  		v.AuxInt = int64ToAuxInt(0)
  2406  		return true
  2407  	}
  2408  	return false
  2409  }
  2410  func rewriteValueARM64_OpARM64BICshiftRL(v *Value) bool {
  2411  	v_1 := v.Args[1]
  2412  	v_0 := v.Args[0]
  2413  	// match: (BICshiftRL x (MOVDconst [c]) [d])
  2414  	// result: (ANDconst x [^int64(uint64(c)>>uint64(d))])
  2415  	for {
  2416  		d := auxIntToInt64(v.AuxInt)
  2417  		x := v_0
  2418  		if v_1.Op != OpARM64MOVDconst {
  2419  			break
  2420  		}
  2421  		c := auxIntToInt64(v_1.AuxInt)
  2422  		v.reset(OpARM64ANDconst)
  2423  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) >> uint64(d)))
  2424  		v.AddArg(x)
  2425  		return true
  2426  	}
  2427  	// match: (BICshiftRL (SRLconst x [c]) x [c])
  2428  	// result: (MOVDconst [0])
  2429  	for {
  2430  		c := auxIntToInt64(v.AuxInt)
  2431  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
  2432  			break
  2433  		}
  2434  		x := v_0.Args[0]
  2435  		if x != v_1 {
  2436  			break
  2437  		}
  2438  		v.reset(OpARM64MOVDconst)
  2439  		v.AuxInt = int64ToAuxInt(0)
  2440  		return true
  2441  	}
  2442  	return false
  2443  }
  2444  func rewriteValueARM64_OpARM64BICshiftRO(v *Value) bool {
  2445  	v_1 := v.Args[1]
  2446  	v_0 := v.Args[0]
  2447  	// match: (BICshiftRO x (MOVDconst [c]) [d])
  2448  	// result: (ANDconst x [^rotateRight64(c, d)])
  2449  	for {
  2450  		d := auxIntToInt64(v.AuxInt)
  2451  		x := v_0
  2452  		if v_1.Op != OpARM64MOVDconst {
  2453  			break
  2454  		}
  2455  		c := auxIntToInt64(v_1.AuxInt)
  2456  		v.reset(OpARM64ANDconst)
  2457  		v.AuxInt = int64ToAuxInt(^rotateRight64(c, d))
  2458  		v.AddArg(x)
  2459  		return true
  2460  	}
  2461  	// match: (BICshiftRO (RORconst x [c]) x [c])
  2462  	// result: (MOVDconst [0])
  2463  	for {
  2464  		c := auxIntToInt64(v.AuxInt)
  2465  		if v_0.Op != OpARM64RORconst || auxIntToInt64(v_0.AuxInt) != c {
  2466  			break
  2467  		}
  2468  		x := v_0.Args[0]
  2469  		if x != v_1 {
  2470  			break
  2471  		}
  2472  		v.reset(OpARM64MOVDconst)
  2473  		v.AuxInt = int64ToAuxInt(0)
  2474  		return true
  2475  	}
  2476  	return false
  2477  }
  2478  func rewriteValueARM64_OpARM64CMN(v *Value) bool {
  2479  	v_1 := v.Args[1]
  2480  	v_0 := v.Args[0]
  2481  	// match: (CMN x (MOVDconst [c]))
  2482  	// result: (CMNconst [c] x)
  2483  	for {
  2484  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2485  			x := v_0
  2486  			if v_1.Op != OpARM64MOVDconst {
  2487  				continue
  2488  			}
  2489  			c := auxIntToInt64(v_1.AuxInt)
  2490  			v.reset(OpARM64CMNconst)
  2491  			v.AuxInt = int64ToAuxInt(c)
  2492  			v.AddArg(x)
  2493  			return true
  2494  		}
  2495  		break
  2496  	}
  2497  	// match: (CMN x0 x1:(SLLconst [c] y))
  2498  	// cond: clobberIfDead(x1)
  2499  	// result: (CMNshiftLL x0 y [c])
  2500  	for {
  2501  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2502  			x0 := v_0
  2503  			x1 := v_1
  2504  			if x1.Op != OpARM64SLLconst {
  2505  				continue
  2506  			}
  2507  			c := auxIntToInt64(x1.AuxInt)
  2508  			y := x1.Args[0]
  2509  			if !(clobberIfDead(x1)) {
  2510  				continue
  2511  			}
  2512  			v.reset(OpARM64CMNshiftLL)
  2513  			v.AuxInt = int64ToAuxInt(c)
  2514  			v.AddArg2(x0, y)
  2515  			return true
  2516  		}
  2517  		break
  2518  	}
  2519  	// match: (CMN x0 x1:(SRLconst [c] y))
  2520  	// cond: clobberIfDead(x1)
  2521  	// result: (CMNshiftRL x0 y [c])
  2522  	for {
  2523  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2524  			x0 := v_0
  2525  			x1 := v_1
  2526  			if x1.Op != OpARM64SRLconst {
  2527  				continue
  2528  			}
  2529  			c := auxIntToInt64(x1.AuxInt)
  2530  			y := x1.Args[0]
  2531  			if !(clobberIfDead(x1)) {
  2532  				continue
  2533  			}
  2534  			v.reset(OpARM64CMNshiftRL)
  2535  			v.AuxInt = int64ToAuxInt(c)
  2536  			v.AddArg2(x0, y)
  2537  			return true
  2538  		}
  2539  		break
  2540  	}
  2541  	// match: (CMN x0 x1:(SRAconst [c] y))
  2542  	// cond: clobberIfDead(x1)
  2543  	// result: (CMNshiftRA x0 y [c])
  2544  	for {
  2545  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2546  			x0 := v_0
  2547  			x1 := v_1
  2548  			if x1.Op != OpARM64SRAconst {
  2549  				continue
  2550  			}
  2551  			c := auxIntToInt64(x1.AuxInt)
  2552  			y := x1.Args[0]
  2553  			if !(clobberIfDead(x1)) {
  2554  				continue
  2555  			}
  2556  			v.reset(OpARM64CMNshiftRA)
  2557  			v.AuxInt = int64ToAuxInt(c)
  2558  			v.AddArg2(x0, y)
  2559  			return true
  2560  		}
  2561  		break
  2562  	}
  2563  	return false
  2564  }
  2565  func rewriteValueARM64_OpARM64CMNW(v *Value) bool {
  2566  	v_1 := v.Args[1]
  2567  	v_0 := v.Args[0]
  2568  	// match: (CMNW x (MOVDconst [c]))
  2569  	// result: (CMNWconst [int32(c)] x)
  2570  	for {
  2571  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2572  			x := v_0
  2573  			if v_1.Op != OpARM64MOVDconst {
  2574  				continue
  2575  			}
  2576  			c := auxIntToInt64(v_1.AuxInt)
  2577  			v.reset(OpARM64CMNWconst)
  2578  			v.AuxInt = int32ToAuxInt(int32(c))
  2579  			v.AddArg(x)
  2580  			return true
  2581  		}
  2582  		break
  2583  	}
  2584  	return false
  2585  }
  2586  func rewriteValueARM64_OpARM64CMNWconst(v *Value) bool {
  2587  	v_0 := v.Args[0]
  2588  	// match: (CMNWconst [c] y)
  2589  	// cond: c < 0 && c != -1<<31
  2590  	// result: (CMPWconst [-c] y)
  2591  	for {
  2592  		c := auxIntToInt32(v.AuxInt)
  2593  		y := v_0
  2594  		if !(c < 0 && c != -1<<31) {
  2595  			break
  2596  		}
  2597  		v.reset(OpARM64CMPWconst)
  2598  		v.AuxInt = int32ToAuxInt(-c)
  2599  		v.AddArg(y)
  2600  		return true
  2601  	}
  2602  	// match: (CMNWconst (MOVDconst [x]) [y])
  2603  	// result: (FlagConstant [addFlags32(int32(x),y)])
  2604  	for {
  2605  		y := auxIntToInt32(v.AuxInt)
  2606  		if v_0.Op != OpARM64MOVDconst {
  2607  			break
  2608  		}
  2609  		x := auxIntToInt64(v_0.AuxInt)
  2610  		v.reset(OpARM64FlagConstant)
  2611  		v.AuxInt = flagConstantToAuxInt(addFlags32(int32(x), y))
  2612  		return true
  2613  	}
  2614  	return false
  2615  }
  2616  func rewriteValueARM64_OpARM64CMNconst(v *Value) bool {
  2617  	v_0 := v.Args[0]
  2618  	// match: (CMNconst [c] y)
  2619  	// cond: c < 0 && c != -1<<63
  2620  	// result: (CMPconst [-c] y)
  2621  	for {
  2622  		c := auxIntToInt64(v.AuxInt)
  2623  		y := v_0
  2624  		if !(c < 0 && c != -1<<63) {
  2625  			break
  2626  		}
  2627  		v.reset(OpARM64CMPconst)
  2628  		v.AuxInt = int64ToAuxInt(-c)
  2629  		v.AddArg(y)
  2630  		return true
  2631  	}
  2632  	// match: (CMNconst (MOVDconst [x]) [y])
  2633  	// result: (FlagConstant [addFlags64(x,y)])
  2634  	for {
  2635  		y := auxIntToInt64(v.AuxInt)
  2636  		if v_0.Op != OpARM64MOVDconst {
  2637  			break
  2638  		}
  2639  		x := auxIntToInt64(v_0.AuxInt)
  2640  		v.reset(OpARM64FlagConstant)
  2641  		v.AuxInt = flagConstantToAuxInt(addFlags64(x, y))
  2642  		return true
  2643  	}
  2644  	return false
  2645  }
  2646  func rewriteValueARM64_OpARM64CMNshiftLL(v *Value) bool {
  2647  	v_1 := v.Args[1]
  2648  	v_0 := v.Args[0]
  2649  	b := v.Block
  2650  	// match: (CMNshiftLL (MOVDconst [c]) x [d])
  2651  	// result: (CMNconst [c] (SLLconst <x.Type> x [d]))
  2652  	for {
  2653  		d := auxIntToInt64(v.AuxInt)
  2654  		if v_0.Op != OpARM64MOVDconst {
  2655  			break
  2656  		}
  2657  		c := auxIntToInt64(v_0.AuxInt)
  2658  		x := v_1
  2659  		v.reset(OpARM64CMNconst)
  2660  		v.AuxInt = int64ToAuxInt(c)
  2661  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  2662  		v0.AuxInt = int64ToAuxInt(d)
  2663  		v0.AddArg(x)
  2664  		v.AddArg(v0)
  2665  		return true
  2666  	}
  2667  	// match: (CMNshiftLL x (MOVDconst [c]) [d])
  2668  	// result: (CMNconst x [int64(uint64(c)<<uint64(d))])
  2669  	for {
  2670  		d := auxIntToInt64(v.AuxInt)
  2671  		x := v_0
  2672  		if v_1.Op != OpARM64MOVDconst {
  2673  			break
  2674  		}
  2675  		c := auxIntToInt64(v_1.AuxInt)
  2676  		v.reset(OpARM64CMNconst)
  2677  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
  2678  		v.AddArg(x)
  2679  		return true
  2680  	}
  2681  	return false
  2682  }
  2683  func rewriteValueARM64_OpARM64CMNshiftRA(v *Value) bool {
  2684  	v_1 := v.Args[1]
  2685  	v_0 := v.Args[0]
  2686  	b := v.Block
  2687  	// match: (CMNshiftRA (MOVDconst [c]) x [d])
  2688  	// result: (CMNconst [c] (SRAconst <x.Type> x [d]))
  2689  	for {
  2690  		d := auxIntToInt64(v.AuxInt)
  2691  		if v_0.Op != OpARM64MOVDconst {
  2692  			break
  2693  		}
  2694  		c := auxIntToInt64(v_0.AuxInt)
  2695  		x := v_1
  2696  		v.reset(OpARM64CMNconst)
  2697  		v.AuxInt = int64ToAuxInt(c)
  2698  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
  2699  		v0.AuxInt = int64ToAuxInt(d)
  2700  		v0.AddArg(x)
  2701  		v.AddArg(v0)
  2702  		return true
  2703  	}
  2704  	// match: (CMNshiftRA x (MOVDconst [c]) [d])
  2705  	// result: (CMNconst x [c>>uint64(d)])
  2706  	for {
  2707  		d := auxIntToInt64(v.AuxInt)
  2708  		x := v_0
  2709  		if v_1.Op != OpARM64MOVDconst {
  2710  			break
  2711  		}
  2712  		c := auxIntToInt64(v_1.AuxInt)
  2713  		v.reset(OpARM64CMNconst)
  2714  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
  2715  		v.AddArg(x)
  2716  		return true
  2717  	}
  2718  	return false
  2719  }
  2720  func rewriteValueARM64_OpARM64CMNshiftRL(v *Value) bool {
  2721  	v_1 := v.Args[1]
  2722  	v_0 := v.Args[0]
  2723  	b := v.Block
  2724  	// match: (CMNshiftRL (MOVDconst [c]) x [d])
  2725  	// result: (CMNconst [c] (SRLconst <x.Type> x [d]))
  2726  	for {
  2727  		d := auxIntToInt64(v.AuxInt)
  2728  		if v_0.Op != OpARM64MOVDconst {
  2729  			break
  2730  		}
  2731  		c := auxIntToInt64(v_0.AuxInt)
  2732  		x := v_1
  2733  		v.reset(OpARM64CMNconst)
  2734  		v.AuxInt = int64ToAuxInt(c)
  2735  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
  2736  		v0.AuxInt = int64ToAuxInt(d)
  2737  		v0.AddArg(x)
  2738  		v.AddArg(v0)
  2739  		return true
  2740  	}
  2741  	// match: (CMNshiftRL x (MOVDconst [c]) [d])
  2742  	// result: (CMNconst x [int64(uint64(c)>>uint64(d))])
  2743  	for {
  2744  		d := auxIntToInt64(v.AuxInt)
  2745  		x := v_0
  2746  		if v_1.Op != OpARM64MOVDconst {
  2747  			break
  2748  		}
  2749  		c := auxIntToInt64(v_1.AuxInt)
  2750  		v.reset(OpARM64CMNconst)
  2751  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
  2752  		v.AddArg(x)
  2753  		return true
  2754  	}
  2755  	return false
  2756  }
  2757  func rewriteValueARM64_OpARM64CMP(v *Value) bool {
  2758  	v_1 := v.Args[1]
  2759  	v_0 := v.Args[0]
  2760  	b := v.Block
  2761  	// match: (CMP x (MOVDconst [c]))
  2762  	// result: (CMPconst [c] x)
  2763  	for {
  2764  		x := v_0
  2765  		if v_1.Op != OpARM64MOVDconst {
  2766  			break
  2767  		}
  2768  		c := auxIntToInt64(v_1.AuxInt)
  2769  		v.reset(OpARM64CMPconst)
  2770  		v.AuxInt = int64ToAuxInt(c)
  2771  		v.AddArg(x)
  2772  		return true
  2773  	}
  2774  	// match: (CMP (MOVDconst [c]) x)
  2775  	// result: (InvertFlags (CMPconst [c] x))
  2776  	for {
  2777  		if v_0.Op != OpARM64MOVDconst {
  2778  			break
  2779  		}
  2780  		c := auxIntToInt64(v_0.AuxInt)
  2781  		x := v_1
  2782  		v.reset(OpARM64InvertFlags)
  2783  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
  2784  		v0.AuxInt = int64ToAuxInt(c)
  2785  		v0.AddArg(x)
  2786  		v.AddArg(v0)
  2787  		return true
  2788  	}
  2789  	// match: (CMP x y)
  2790  	// cond: canonLessThan(x,y)
  2791  	// result: (InvertFlags (CMP y x))
  2792  	for {
  2793  		x := v_0
  2794  		y := v_1
  2795  		if !(canonLessThan(x, y)) {
  2796  			break
  2797  		}
  2798  		v.reset(OpARM64InvertFlags)
  2799  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
  2800  		v0.AddArg2(y, x)
  2801  		v.AddArg(v0)
  2802  		return true
  2803  	}
  2804  	// match: (CMP x0 x1:(SLLconst [c] y))
  2805  	// cond: clobberIfDead(x1)
  2806  	// result: (CMPshiftLL x0 y [c])
  2807  	for {
  2808  		x0 := v_0
  2809  		x1 := v_1
  2810  		if x1.Op != OpARM64SLLconst {
  2811  			break
  2812  		}
  2813  		c := auxIntToInt64(x1.AuxInt)
  2814  		y := x1.Args[0]
  2815  		if !(clobberIfDead(x1)) {
  2816  			break
  2817  		}
  2818  		v.reset(OpARM64CMPshiftLL)
  2819  		v.AuxInt = int64ToAuxInt(c)
  2820  		v.AddArg2(x0, y)
  2821  		return true
  2822  	}
  2823  	// match: (CMP x0:(SLLconst [c] y) x1)
  2824  	// cond: clobberIfDead(x0)
  2825  	// result: (InvertFlags (CMPshiftLL x1 y [c]))
  2826  	for {
  2827  		x0 := v_0
  2828  		if x0.Op != OpARM64SLLconst {
  2829  			break
  2830  		}
  2831  		c := auxIntToInt64(x0.AuxInt)
  2832  		y := x0.Args[0]
  2833  		x1 := v_1
  2834  		if !(clobberIfDead(x0)) {
  2835  			break
  2836  		}
  2837  		v.reset(OpARM64InvertFlags)
  2838  		v0 := b.NewValue0(v.Pos, OpARM64CMPshiftLL, types.TypeFlags)
  2839  		v0.AuxInt = int64ToAuxInt(c)
  2840  		v0.AddArg2(x1, y)
  2841  		v.AddArg(v0)
  2842  		return true
  2843  	}
  2844  	// match: (CMP x0 x1:(SRLconst [c] y))
  2845  	// cond: clobberIfDead(x1)
  2846  	// result: (CMPshiftRL x0 y [c])
  2847  	for {
  2848  		x0 := v_0
  2849  		x1 := v_1
  2850  		if x1.Op != OpARM64SRLconst {
  2851  			break
  2852  		}
  2853  		c := auxIntToInt64(x1.AuxInt)
  2854  		y := x1.Args[0]
  2855  		if !(clobberIfDead(x1)) {
  2856  			break
  2857  		}
  2858  		v.reset(OpARM64CMPshiftRL)
  2859  		v.AuxInt = int64ToAuxInt(c)
  2860  		v.AddArg2(x0, y)
  2861  		return true
  2862  	}
  2863  	// match: (CMP x0:(SRLconst [c] y) x1)
  2864  	// cond: clobberIfDead(x0)
  2865  	// result: (InvertFlags (CMPshiftRL x1 y [c]))
  2866  	for {
  2867  		x0 := v_0
  2868  		if x0.Op != OpARM64SRLconst {
  2869  			break
  2870  		}
  2871  		c := auxIntToInt64(x0.AuxInt)
  2872  		y := x0.Args[0]
  2873  		x1 := v_1
  2874  		if !(clobberIfDead(x0)) {
  2875  			break
  2876  		}
  2877  		v.reset(OpARM64InvertFlags)
  2878  		v0 := b.NewValue0(v.Pos, OpARM64CMPshiftRL, types.TypeFlags)
  2879  		v0.AuxInt = int64ToAuxInt(c)
  2880  		v0.AddArg2(x1, y)
  2881  		v.AddArg(v0)
  2882  		return true
  2883  	}
  2884  	// match: (CMP x0 x1:(SRAconst [c] y))
  2885  	// cond: clobberIfDead(x1)
  2886  	// result: (CMPshiftRA x0 y [c])
  2887  	for {
  2888  		x0 := v_0
  2889  		x1 := v_1
  2890  		if x1.Op != OpARM64SRAconst {
  2891  			break
  2892  		}
  2893  		c := auxIntToInt64(x1.AuxInt)
  2894  		y := x1.Args[0]
  2895  		if !(clobberIfDead(x1)) {
  2896  			break
  2897  		}
  2898  		v.reset(OpARM64CMPshiftRA)
  2899  		v.AuxInt = int64ToAuxInt(c)
  2900  		v.AddArg2(x0, y)
  2901  		return true
  2902  	}
  2903  	// match: (CMP x0:(SRAconst [c] y) x1)
  2904  	// cond: clobberIfDead(x0)
  2905  	// result: (InvertFlags (CMPshiftRA x1 y [c]))
  2906  	for {
  2907  		x0 := v_0
  2908  		if x0.Op != OpARM64SRAconst {
  2909  			break
  2910  		}
  2911  		c := auxIntToInt64(x0.AuxInt)
  2912  		y := x0.Args[0]
  2913  		x1 := v_1
  2914  		if !(clobberIfDead(x0)) {
  2915  			break
  2916  		}
  2917  		v.reset(OpARM64InvertFlags)
  2918  		v0 := b.NewValue0(v.Pos, OpARM64CMPshiftRA, types.TypeFlags)
  2919  		v0.AuxInt = int64ToAuxInt(c)
  2920  		v0.AddArg2(x1, y)
  2921  		v.AddArg(v0)
  2922  		return true
  2923  	}
  2924  	return false
  2925  }
  2926  func rewriteValueARM64_OpARM64CMPW(v *Value) bool {
  2927  	v_1 := v.Args[1]
  2928  	v_0 := v.Args[0]
  2929  	b := v.Block
  2930  	// match: (CMPW x (MOVDconst [c]))
  2931  	// result: (CMPWconst [int32(c)] x)
  2932  	for {
  2933  		x := v_0
  2934  		if v_1.Op != OpARM64MOVDconst {
  2935  			break
  2936  		}
  2937  		c := auxIntToInt64(v_1.AuxInt)
  2938  		v.reset(OpARM64CMPWconst)
  2939  		v.AuxInt = int32ToAuxInt(int32(c))
  2940  		v.AddArg(x)
  2941  		return true
  2942  	}
  2943  	// match: (CMPW (MOVDconst [c]) x)
  2944  	// result: (InvertFlags (CMPWconst [int32(c)] x))
  2945  	for {
  2946  		if v_0.Op != OpARM64MOVDconst {
  2947  			break
  2948  		}
  2949  		c := auxIntToInt64(v_0.AuxInt)
  2950  		x := v_1
  2951  		v.reset(OpARM64InvertFlags)
  2952  		v0 := b.NewValue0(v.Pos, OpARM64CMPWconst, types.TypeFlags)
  2953  		v0.AuxInt = int32ToAuxInt(int32(c))
  2954  		v0.AddArg(x)
  2955  		v.AddArg(v0)
  2956  		return true
  2957  	}
  2958  	// match: (CMPW x y)
  2959  	// cond: canonLessThan(x,y)
  2960  	// result: (InvertFlags (CMPW y x))
  2961  	for {
  2962  		x := v_0
  2963  		y := v_1
  2964  		if !(canonLessThan(x, y)) {
  2965  			break
  2966  		}
  2967  		v.reset(OpARM64InvertFlags)
  2968  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
  2969  		v0.AddArg2(y, x)
  2970  		v.AddArg(v0)
  2971  		return true
  2972  	}
  2973  	return false
  2974  }
  2975  func rewriteValueARM64_OpARM64CMPWconst(v *Value) bool {
  2976  	v_0 := v.Args[0]
  2977  	// match: (CMPWconst [c] y)
  2978  	// cond: c < 0 && c != -1<<31
  2979  	// result: (CMNWconst [-c] y)
  2980  	for {
  2981  		c := auxIntToInt32(v.AuxInt)
  2982  		y := v_0
  2983  		if !(c < 0 && c != -1<<31) {
  2984  			break
  2985  		}
  2986  		v.reset(OpARM64CMNWconst)
  2987  		v.AuxInt = int32ToAuxInt(-c)
  2988  		v.AddArg(y)
  2989  		return true
  2990  	}
  2991  	// match: (CMPWconst (MOVDconst [x]) [y])
  2992  	// result: (FlagConstant [subFlags32(int32(x),y)])
  2993  	for {
  2994  		y := auxIntToInt32(v.AuxInt)
  2995  		if v_0.Op != OpARM64MOVDconst {
  2996  			break
  2997  		}
  2998  		x := auxIntToInt64(v_0.AuxInt)
  2999  		v.reset(OpARM64FlagConstant)
  3000  		v.AuxInt = flagConstantToAuxInt(subFlags32(int32(x), y))
  3001  		return true
  3002  	}
  3003  	// match: (CMPWconst (MOVBUreg _) [c])
  3004  	// cond: 0xff < c
  3005  	// result: (FlagConstant [subFlags64(0,1)])
  3006  	for {
  3007  		c := auxIntToInt32(v.AuxInt)
  3008  		if v_0.Op != OpARM64MOVBUreg || !(0xff < c) {
  3009  			break
  3010  		}
  3011  		v.reset(OpARM64FlagConstant)
  3012  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  3013  		return true
  3014  	}
  3015  	// match: (CMPWconst (MOVHUreg _) [c])
  3016  	// cond: 0xffff < c
  3017  	// result: (FlagConstant [subFlags64(0,1)])
  3018  	for {
  3019  		c := auxIntToInt32(v.AuxInt)
  3020  		if v_0.Op != OpARM64MOVHUreg || !(0xffff < c) {
  3021  			break
  3022  		}
  3023  		v.reset(OpARM64FlagConstant)
  3024  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  3025  		return true
  3026  	}
  3027  	return false
  3028  }
  3029  func rewriteValueARM64_OpARM64CMPconst(v *Value) bool {
  3030  	v_0 := v.Args[0]
  3031  	// match: (CMPconst [c] y)
  3032  	// cond: c < 0 && c != -1<<63
  3033  	// result: (CMNconst [-c] y)
  3034  	for {
  3035  		c := auxIntToInt64(v.AuxInt)
  3036  		y := v_0
  3037  		if !(c < 0 && c != -1<<63) {
  3038  			break
  3039  		}
  3040  		v.reset(OpARM64CMNconst)
  3041  		v.AuxInt = int64ToAuxInt(-c)
  3042  		v.AddArg(y)
  3043  		return true
  3044  	}
  3045  	// match: (CMPconst (MOVDconst [x]) [y])
  3046  	// result: (FlagConstant [subFlags64(x,y)])
  3047  	for {
  3048  		y := auxIntToInt64(v.AuxInt)
  3049  		if v_0.Op != OpARM64MOVDconst {
  3050  			break
  3051  		}
  3052  		x := auxIntToInt64(v_0.AuxInt)
  3053  		v.reset(OpARM64FlagConstant)
  3054  		v.AuxInt = flagConstantToAuxInt(subFlags64(x, y))
  3055  		return true
  3056  	}
  3057  	// match: (CMPconst (MOVBUreg _) [c])
  3058  	// cond: 0xff < c
  3059  	// result: (FlagConstant [subFlags64(0,1)])
  3060  	for {
  3061  		c := auxIntToInt64(v.AuxInt)
  3062  		if v_0.Op != OpARM64MOVBUreg || !(0xff < c) {
  3063  			break
  3064  		}
  3065  		v.reset(OpARM64FlagConstant)
  3066  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  3067  		return true
  3068  	}
  3069  	// match: (CMPconst (MOVHUreg _) [c])
  3070  	// cond: 0xffff < c
  3071  	// result: (FlagConstant [subFlags64(0,1)])
  3072  	for {
  3073  		c := auxIntToInt64(v.AuxInt)
  3074  		if v_0.Op != OpARM64MOVHUreg || !(0xffff < c) {
  3075  			break
  3076  		}
  3077  		v.reset(OpARM64FlagConstant)
  3078  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  3079  		return true
  3080  	}
  3081  	// match: (CMPconst (MOVWUreg _) [c])
  3082  	// cond: 0xffffffff < c
  3083  	// result: (FlagConstant [subFlags64(0,1)])
  3084  	for {
  3085  		c := auxIntToInt64(v.AuxInt)
  3086  		if v_0.Op != OpARM64MOVWUreg || !(0xffffffff < c) {
  3087  			break
  3088  		}
  3089  		v.reset(OpARM64FlagConstant)
  3090  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  3091  		return true
  3092  	}
  3093  	// match: (CMPconst (ANDconst _ [m]) [n])
  3094  	// cond: 0 <= m && m < n
  3095  	// result: (FlagConstant [subFlags64(0,1)])
  3096  	for {
  3097  		n := auxIntToInt64(v.AuxInt)
  3098  		if v_0.Op != OpARM64ANDconst {
  3099  			break
  3100  		}
  3101  		m := auxIntToInt64(v_0.AuxInt)
  3102  		if !(0 <= m && m < n) {
  3103  			break
  3104  		}
  3105  		v.reset(OpARM64FlagConstant)
  3106  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  3107  		return true
  3108  	}
  3109  	// match: (CMPconst (SRLconst _ [c]) [n])
  3110  	// cond: 0 <= n && 0 < c && c <= 63 && (1<<uint64(64-c)) <= uint64(n)
  3111  	// result: (FlagConstant [subFlags64(0,1)])
  3112  	for {
  3113  		n := auxIntToInt64(v.AuxInt)
  3114  		if v_0.Op != OpARM64SRLconst {
  3115  			break
  3116  		}
  3117  		c := auxIntToInt64(v_0.AuxInt)
  3118  		if !(0 <= n && 0 < c && c <= 63 && (1<<uint64(64-c)) <= uint64(n)) {
  3119  			break
  3120  		}
  3121  		v.reset(OpARM64FlagConstant)
  3122  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  3123  		return true
  3124  	}
  3125  	return false
  3126  }
  3127  func rewriteValueARM64_OpARM64CMPshiftLL(v *Value) bool {
  3128  	v_1 := v.Args[1]
  3129  	v_0 := v.Args[0]
  3130  	b := v.Block
  3131  	// match: (CMPshiftLL (MOVDconst [c]) x [d])
  3132  	// result: (InvertFlags (CMPconst [c] (SLLconst <x.Type> x [d])))
  3133  	for {
  3134  		d := auxIntToInt64(v.AuxInt)
  3135  		if v_0.Op != OpARM64MOVDconst {
  3136  			break
  3137  		}
  3138  		c := auxIntToInt64(v_0.AuxInt)
  3139  		x := v_1
  3140  		v.reset(OpARM64InvertFlags)
  3141  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
  3142  		v0.AuxInt = int64ToAuxInt(c)
  3143  		v1 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  3144  		v1.AuxInt = int64ToAuxInt(d)
  3145  		v1.AddArg(x)
  3146  		v0.AddArg(v1)
  3147  		v.AddArg(v0)
  3148  		return true
  3149  	}
  3150  	// match: (CMPshiftLL x (MOVDconst [c]) [d])
  3151  	// result: (CMPconst x [int64(uint64(c)<<uint64(d))])
  3152  	for {
  3153  		d := auxIntToInt64(v.AuxInt)
  3154  		x := v_0
  3155  		if v_1.Op != OpARM64MOVDconst {
  3156  			break
  3157  		}
  3158  		c := auxIntToInt64(v_1.AuxInt)
  3159  		v.reset(OpARM64CMPconst)
  3160  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
  3161  		v.AddArg(x)
  3162  		return true
  3163  	}
  3164  	return false
  3165  }
  3166  func rewriteValueARM64_OpARM64CMPshiftRA(v *Value) bool {
  3167  	v_1 := v.Args[1]
  3168  	v_0 := v.Args[0]
  3169  	b := v.Block
  3170  	// match: (CMPshiftRA (MOVDconst [c]) x [d])
  3171  	// result: (InvertFlags (CMPconst [c] (SRAconst <x.Type> x [d])))
  3172  	for {
  3173  		d := auxIntToInt64(v.AuxInt)
  3174  		if v_0.Op != OpARM64MOVDconst {
  3175  			break
  3176  		}
  3177  		c := auxIntToInt64(v_0.AuxInt)
  3178  		x := v_1
  3179  		v.reset(OpARM64InvertFlags)
  3180  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
  3181  		v0.AuxInt = int64ToAuxInt(c)
  3182  		v1 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
  3183  		v1.AuxInt = int64ToAuxInt(d)
  3184  		v1.AddArg(x)
  3185  		v0.AddArg(v1)
  3186  		v.AddArg(v0)
  3187  		return true
  3188  	}
  3189  	// match: (CMPshiftRA x (MOVDconst [c]) [d])
  3190  	// result: (CMPconst x [c>>uint64(d)])
  3191  	for {
  3192  		d := auxIntToInt64(v.AuxInt)
  3193  		x := v_0
  3194  		if v_1.Op != OpARM64MOVDconst {
  3195  			break
  3196  		}
  3197  		c := auxIntToInt64(v_1.AuxInt)
  3198  		v.reset(OpARM64CMPconst)
  3199  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
  3200  		v.AddArg(x)
  3201  		return true
  3202  	}
  3203  	return false
  3204  }
  3205  func rewriteValueARM64_OpARM64CMPshiftRL(v *Value) bool {
  3206  	v_1 := v.Args[1]
  3207  	v_0 := v.Args[0]
  3208  	b := v.Block
  3209  	// match: (CMPshiftRL (MOVDconst [c]) x [d])
  3210  	// result: (InvertFlags (CMPconst [c] (SRLconst <x.Type> x [d])))
  3211  	for {
  3212  		d := auxIntToInt64(v.AuxInt)
  3213  		if v_0.Op != OpARM64MOVDconst {
  3214  			break
  3215  		}
  3216  		c := auxIntToInt64(v_0.AuxInt)
  3217  		x := v_1
  3218  		v.reset(OpARM64InvertFlags)
  3219  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
  3220  		v0.AuxInt = int64ToAuxInt(c)
  3221  		v1 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
  3222  		v1.AuxInt = int64ToAuxInt(d)
  3223  		v1.AddArg(x)
  3224  		v0.AddArg(v1)
  3225  		v.AddArg(v0)
  3226  		return true
  3227  	}
  3228  	// match: (CMPshiftRL x (MOVDconst [c]) [d])
  3229  	// result: (CMPconst x [int64(uint64(c)>>uint64(d))])
  3230  	for {
  3231  		d := auxIntToInt64(v.AuxInt)
  3232  		x := v_0
  3233  		if v_1.Op != OpARM64MOVDconst {
  3234  			break
  3235  		}
  3236  		c := auxIntToInt64(v_1.AuxInt)
  3237  		v.reset(OpARM64CMPconst)
  3238  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
  3239  		v.AddArg(x)
  3240  		return true
  3241  	}
  3242  	return false
  3243  }
  3244  func rewriteValueARM64_OpARM64CSEL(v *Value) bool {
  3245  	v_2 := v.Args[2]
  3246  	v_1 := v.Args[1]
  3247  	v_0 := v.Args[0]
  3248  	// match: (CSEL [cc] (MOVDconst [-1]) (MOVDconst [0]) flag)
  3249  	// result: (CSETM [cc] flag)
  3250  	for {
  3251  		cc := auxIntToOp(v.AuxInt)
  3252  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != -1 || v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  3253  			break
  3254  		}
  3255  		flag := v_2
  3256  		v.reset(OpARM64CSETM)
  3257  		v.AuxInt = opToAuxInt(cc)
  3258  		v.AddArg(flag)
  3259  		return true
  3260  	}
  3261  	// match: (CSEL [cc] (MOVDconst [0]) (MOVDconst [-1]) flag)
  3262  	// result: (CSETM [arm64Negate(cc)] flag)
  3263  	for {
  3264  		cc := auxIntToOp(v.AuxInt)
  3265  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 0 || v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 {
  3266  			break
  3267  		}
  3268  		flag := v_2
  3269  		v.reset(OpARM64CSETM)
  3270  		v.AuxInt = opToAuxInt(arm64Negate(cc))
  3271  		v.AddArg(flag)
  3272  		return true
  3273  	}
  3274  	// match: (CSEL [cc] x (MOVDconst [0]) flag)
  3275  	// result: (CSEL0 [cc] x flag)
  3276  	for {
  3277  		cc := auxIntToOp(v.AuxInt)
  3278  		x := v_0
  3279  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  3280  			break
  3281  		}
  3282  		flag := v_2
  3283  		v.reset(OpARM64CSEL0)
  3284  		v.AuxInt = opToAuxInt(cc)
  3285  		v.AddArg2(x, flag)
  3286  		return true
  3287  	}
  3288  	// match: (CSEL [cc] (MOVDconst [0]) y flag)
  3289  	// result: (CSEL0 [arm64Negate(cc)] y flag)
  3290  	for {
  3291  		cc := auxIntToOp(v.AuxInt)
  3292  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 0 {
  3293  			break
  3294  		}
  3295  		y := v_1
  3296  		flag := v_2
  3297  		v.reset(OpARM64CSEL0)
  3298  		v.AuxInt = opToAuxInt(arm64Negate(cc))
  3299  		v.AddArg2(y, flag)
  3300  		return true
  3301  	}
  3302  	// match: (CSEL [cc] x (ADDconst [1] a) flag)
  3303  	// result: (CSINC [cc] x a flag)
  3304  	for {
  3305  		cc := auxIntToOp(v.AuxInt)
  3306  		x := v_0
  3307  		if v_1.Op != OpARM64ADDconst || auxIntToInt64(v_1.AuxInt) != 1 {
  3308  			break
  3309  		}
  3310  		a := v_1.Args[0]
  3311  		flag := v_2
  3312  		v.reset(OpARM64CSINC)
  3313  		v.AuxInt = opToAuxInt(cc)
  3314  		v.AddArg3(x, a, flag)
  3315  		return true
  3316  	}
  3317  	// match: (CSEL [cc] (ADDconst [1] a) x flag)
  3318  	// result: (CSINC [arm64Negate(cc)] x a flag)
  3319  	for {
  3320  		cc := auxIntToOp(v.AuxInt)
  3321  		if v_0.Op != OpARM64ADDconst || auxIntToInt64(v_0.AuxInt) != 1 {
  3322  			break
  3323  		}
  3324  		a := v_0.Args[0]
  3325  		x := v_1
  3326  		flag := v_2
  3327  		v.reset(OpARM64CSINC)
  3328  		v.AuxInt = opToAuxInt(arm64Negate(cc))
  3329  		v.AddArg3(x, a, flag)
  3330  		return true
  3331  	}
  3332  	// match: (CSEL [cc] x (MVN a) flag)
  3333  	// result: (CSINV [cc] x a flag)
  3334  	for {
  3335  		cc := auxIntToOp(v.AuxInt)
  3336  		x := v_0
  3337  		if v_1.Op != OpARM64MVN {
  3338  			break
  3339  		}
  3340  		a := v_1.Args[0]
  3341  		flag := v_2
  3342  		v.reset(OpARM64CSINV)
  3343  		v.AuxInt = opToAuxInt(cc)
  3344  		v.AddArg3(x, a, flag)
  3345  		return true
  3346  	}
  3347  	// match: (CSEL [cc] (MVN a) x flag)
  3348  	// result: (CSINV [arm64Negate(cc)] x a flag)
  3349  	for {
  3350  		cc := auxIntToOp(v.AuxInt)
  3351  		if v_0.Op != OpARM64MVN {
  3352  			break
  3353  		}
  3354  		a := v_0.Args[0]
  3355  		x := v_1
  3356  		flag := v_2
  3357  		v.reset(OpARM64CSINV)
  3358  		v.AuxInt = opToAuxInt(arm64Negate(cc))
  3359  		v.AddArg3(x, a, flag)
  3360  		return true
  3361  	}
  3362  	// match: (CSEL [cc] x (NEG a) flag)
  3363  	// result: (CSNEG [cc] x a flag)
  3364  	for {
  3365  		cc := auxIntToOp(v.AuxInt)
  3366  		x := v_0
  3367  		if v_1.Op != OpARM64NEG {
  3368  			break
  3369  		}
  3370  		a := v_1.Args[0]
  3371  		flag := v_2
  3372  		v.reset(OpARM64CSNEG)
  3373  		v.AuxInt = opToAuxInt(cc)
  3374  		v.AddArg3(x, a, flag)
  3375  		return true
  3376  	}
  3377  	// match: (CSEL [cc] (NEG a) x flag)
  3378  	// result: (CSNEG [arm64Negate(cc)] x a flag)
  3379  	for {
  3380  		cc := auxIntToOp(v.AuxInt)
  3381  		if v_0.Op != OpARM64NEG {
  3382  			break
  3383  		}
  3384  		a := v_0.Args[0]
  3385  		x := v_1
  3386  		flag := v_2
  3387  		v.reset(OpARM64CSNEG)
  3388  		v.AuxInt = opToAuxInt(arm64Negate(cc))
  3389  		v.AddArg3(x, a, flag)
  3390  		return true
  3391  	}
  3392  	// match: (CSEL [cc] x y (InvertFlags cmp))
  3393  	// result: (CSEL [arm64Invert(cc)] x y cmp)
  3394  	for {
  3395  		cc := auxIntToOp(v.AuxInt)
  3396  		x := v_0
  3397  		y := v_1
  3398  		if v_2.Op != OpARM64InvertFlags {
  3399  			break
  3400  		}
  3401  		cmp := v_2.Args[0]
  3402  		v.reset(OpARM64CSEL)
  3403  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  3404  		v.AddArg3(x, y, cmp)
  3405  		return true
  3406  	}
  3407  	// match: (CSEL [cc] x _ flag)
  3408  	// cond: ccARM64Eval(cc, flag) > 0
  3409  	// result: x
  3410  	for {
  3411  		cc := auxIntToOp(v.AuxInt)
  3412  		x := v_0
  3413  		flag := v_2
  3414  		if !(ccARM64Eval(cc, flag) > 0) {
  3415  			break
  3416  		}
  3417  		v.copyOf(x)
  3418  		return true
  3419  	}
  3420  	// match: (CSEL [cc] _ y flag)
  3421  	// cond: ccARM64Eval(cc, flag) < 0
  3422  	// result: y
  3423  	for {
  3424  		cc := auxIntToOp(v.AuxInt)
  3425  		y := v_1
  3426  		flag := v_2
  3427  		if !(ccARM64Eval(cc, flag) < 0) {
  3428  			break
  3429  		}
  3430  		v.copyOf(y)
  3431  		return true
  3432  	}
  3433  	// match: (CSEL [cc] x y (CMPWconst [0] boolval))
  3434  	// cond: cc == OpARM64NotEqual && flagArg(boolval) != nil
  3435  	// result: (CSEL [boolval.Op] x y flagArg(boolval))
  3436  	for {
  3437  		cc := auxIntToOp(v.AuxInt)
  3438  		x := v_0
  3439  		y := v_1
  3440  		if v_2.Op != OpARM64CMPWconst || auxIntToInt32(v_2.AuxInt) != 0 {
  3441  			break
  3442  		}
  3443  		boolval := v_2.Args[0]
  3444  		if !(cc == OpARM64NotEqual && flagArg(boolval) != nil) {
  3445  			break
  3446  		}
  3447  		v.reset(OpARM64CSEL)
  3448  		v.AuxInt = opToAuxInt(boolval.Op)
  3449  		v.AddArg3(x, y, flagArg(boolval))
  3450  		return true
  3451  	}
  3452  	// match: (CSEL [cc] x y (CMPWconst [0] boolval))
  3453  	// cond: cc == OpARM64Equal && flagArg(boolval) != nil
  3454  	// result: (CSEL [arm64Negate(boolval.Op)] x y flagArg(boolval))
  3455  	for {
  3456  		cc := auxIntToOp(v.AuxInt)
  3457  		x := v_0
  3458  		y := v_1
  3459  		if v_2.Op != OpARM64CMPWconst || auxIntToInt32(v_2.AuxInt) != 0 {
  3460  			break
  3461  		}
  3462  		boolval := v_2.Args[0]
  3463  		if !(cc == OpARM64Equal && flagArg(boolval) != nil) {
  3464  			break
  3465  		}
  3466  		v.reset(OpARM64CSEL)
  3467  		v.AuxInt = opToAuxInt(arm64Negate(boolval.Op))
  3468  		v.AddArg3(x, y, flagArg(boolval))
  3469  		return true
  3470  	}
  3471  	return false
  3472  }
  3473  func rewriteValueARM64_OpARM64CSEL0(v *Value) bool {
  3474  	v_1 := v.Args[1]
  3475  	v_0 := v.Args[0]
  3476  	// match: (CSEL0 [cc] x (InvertFlags cmp))
  3477  	// result: (CSEL0 [arm64Invert(cc)] x cmp)
  3478  	for {
  3479  		cc := auxIntToOp(v.AuxInt)
  3480  		x := v_0
  3481  		if v_1.Op != OpARM64InvertFlags {
  3482  			break
  3483  		}
  3484  		cmp := v_1.Args[0]
  3485  		v.reset(OpARM64CSEL0)
  3486  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  3487  		v.AddArg2(x, cmp)
  3488  		return true
  3489  	}
  3490  	// match: (CSEL0 [cc] x flag)
  3491  	// cond: ccARM64Eval(cc, flag) > 0
  3492  	// result: x
  3493  	for {
  3494  		cc := auxIntToOp(v.AuxInt)
  3495  		x := v_0
  3496  		flag := v_1
  3497  		if !(ccARM64Eval(cc, flag) > 0) {
  3498  			break
  3499  		}
  3500  		v.copyOf(x)
  3501  		return true
  3502  	}
  3503  	// match: (CSEL0 [cc] _ flag)
  3504  	// cond: ccARM64Eval(cc, flag) < 0
  3505  	// result: (MOVDconst [0])
  3506  	for {
  3507  		cc := auxIntToOp(v.AuxInt)
  3508  		flag := v_1
  3509  		if !(ccARM64Eval(cc, flag) < 0) {
  3510  			break
  3511  		}
  3512  		v.reset(OpARM64MOVDconst)
  3513  		v.AuxInt = int64ToAuxInt(0)
  3514  		return true
  3515  	}
  3516  	// match: (CSEL0 [cc] x (CMPWconst [0] boolval))
  3517  	// cond: cc == OpARM64NotEqual && flagArg(boolval) != nil
  3518  	// result: (CSEL0 [boolval.Op] x flagArg(boolval))
  3519  	for {
  3520  		cc := auxIntToOp(v.AuxInt)
  3521  		x := v_0
  3522  		if v_1.Op != OpARM64CMPWconst || auxIntToInt32(v_1.AuxInt) != 0 {
  3523  			break
  3524  		}
  3525  		boolval := v_1.Args[0]
  3526  		if !(cc == OpARM64NotEqual && flagArg(boolval) != nil) {
  3527  			break
  3528  		}
  3529  		v.reset(OpARM64CSEL0)
  3530  		v.AuxInt = opToAuxInt(boolval.Op)
  3531  		v.AddArg2(x, flagArg(boolval))
  3532  		return true
  3533  	}
  3534  	// match: (CSEL0 [cc] x (CMPWconst [0] boolval))
  3535  	// cond: cc == OpARM64Equal && flagArg(boolval) != nil
  3536  	// result: (CSEL0 [arm64Negate(boolval.Op)] x flagArg(boolval))
  3537  	for {
  3538  		cc := auxIntToOp(v.AuxInt)
  3539  		x := v_0
  3540  		if v_1.Op != OpARM64CMPWconst || auxIntToInt32(v_1.AuxInt) != 0 {
  3541  			break
  3542  		}
  3543  		boolval := v_1.Args[0]
  3544  		if !(cc == OpARM64Equal && flagArg(boolval) != nil) {
  3545  			break
  3546  		}
  3547  		v.reset(OpARM64CSEL0)
  3548  		v.AuxInt = opToAuxInt(arm64Negate(boolval.Op))
  3549  		v.AddArg2(x, flagArg(boolval))
  3550  		return true
  3551  	}
  3552  	return false
  3553  }
  3554  func rewriteValueARM64_OpARM64CSETM(v *Value) bool {
  3555  	v_0 := v.Args[0]
  3556  	// match: (CSETM [cc] (InvertFlags cmp))
  3557  	// result: (CSETM [arm64Invert(cc)] cmp)
  3558  	for {
  3559  		cc := auxIntToOp(v.AuxInt)
  3560  		if v_0.Op != OpARM64InvertFlags {
  3561  			break
  3562  		}
  3563  		cmp := v_0.Args[0]
  3564  		v.reset(OpARM64CSETM)
  3565  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  3566  		v.AddArg(cmp)
  3567  		return true
  3568  	}
  3569  	// match: (CSETM [cc] flag)
  3570  	// cond: ccARM64Eval(cc, flag) > 0
  3571  	// result: (MOVDconst [-1])
  3572  	for {
  3573  		cc := auxIntToOp(v.AuxInt)
  3574  		flag := v_0
  3575  		if !(ccARM64Eval(cc, flag) > 0) {
  3576  			break
  3577  		}
  3578  		v.reset(OpARM64MOVDconst)
  3579  		v.AuxInt = int64ToAuxInt(-1)
  3580  		return true
  3581  	}
  3582  	// match: (CSETM [cc] flag)
  3583  	// cond: ccARM64Eval(cc, flag) < 0
  3584  	// result: (MOVDconst [0])
  3585  	for {
  3586  		cc := auxIntToOp(v.AuxInt)
  3587  		flag := v_0
  3588  		if !(ccARM64Eval(cc, flag) < 0) {
  3589  			break
  3590  		}
  3591  		v.reset(OpARM64MOVDconst)
  3592  		v.AuxInt = int64ToAuxInt(0)
  3593  		return true
  3594  	}
  3595  	return false
  3596  }
  3597  func rewriteValueARM64_OpARM64CSINC(v *Value) bool {
  3598  	v_2 := v.Args[2]
  3599  	v_1 := v.Args[1]
  3600  	v_0 := v.Args[0]
  3601  	// match: (CSINC [cc] x y (InvertFlags cmp))
  3602  	// result: (CSINC [arm64Invert(cc)] x y cmp)
  3603  	for {
  3604  		cc := auxIntToOp(v.AuxInt)
  3605  		x := v_0
  3606  		y := v_1
  3607  		if v_2.Op != OpARM64InvertFlags {
  3608  			break
  3609  		}
  3610  		cmp := v_2.Args[0]
  3611  		v.reset(OpARM64CSINC)
  3612  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  3613  		v.AddArg3(x, y, cmp)
  3614  		return true
  3615  	}
  3616  	// match: (CSINC [cc] x _ flag)
  3617  	// cond: ccARM64Eval(cc, flag) > 0
  3618  	// result: x
  3619  	for {
  3620  		cc := auxIntToOp(v.AuxInt)
  3621  		x := v_0
  3622  		flag := v_2
  3623  		if !(ccARM64Eval(cc, flag) > 0) {
  3624  			break
  3625  		}
  3626  		v.copyOf(x)
  3627  		return true
  3628  	}
  3629  	// match: (CSINC [cc] _ y flag)
  3630  	// cond: ccARM64Eval(cc, flag) < 0
  3631  	// result: (ADDconst [1] y)
  3632  	for {
  3633  		cc := auxIntToOp(v.AuxInt)
  3634  		y := v_1
  3635  		flag := v_2
  3636  		if !(ccARM64Eval(cc, flag) < 0) {
  3637  			break
  3638  		}
  3639  		v.reset(OpARM64ADDconst)
  3640  		v.AuxInt = int64ToAuxInt(1)
  3641  		v.AddArg(y)
  3642  		return true
  3643  	}
  3644  	return false
  3645  }
  3646  func rewriteValueARM64_OpARM64CSINV(v *Value) bool {
  3647  	v_2 := v.Args[2]
  3648  	v_1 := v.Args[1]
  3649  	v_0 := v.Args[0]
  3650  	// match: (CSINV [cc] x y (InvertFlags cmp))
  3651  	// result: (CSINV [arm64Invert(cc)] x y cmp)
  3652  	for {
  3653  		cc := auxIntToOp(v.AuxInt)
  3654  		x := v_0
  3655  		y := v_1
  3656  		if v_2.Op != OpARM64InvertFlags {
  3657  			break
  3658  		}
  3659  		cmp := v_2.Args[0]
  3660  		v.reset(OpARM64CSINV)
  3661  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  3662  		v.AddArg3(x, y, cmp)
  3663  		return true
  3664  	}
  3665  	// match: (CSINV [cc] x _ flag)
  3666  	// cond: ccARM64Eval(cc, flag) > 0
  3667  	// result: x
  3668  	for {
  3669  		cc := auxIntToOp(v.AuxInt)
  3670  		x := v_0
  3671  		flag := v_2
  3672  		if !(ccARM64Eval(cc, flag) > 0) {
  3673  			break
  3674  		}
  3675  		v.copyOf(x)
  3676  		return true
  3677  	}
  3678  	// match: (CSINV [cc] _ y flag)
  3679  	// cond: ccARM64Eval(cc, flag) < 0
  3680  	// result: (Not y)
  3681  	for {
  3682  		cc := auxIntToOp(v.AuxInt)
  3683  		y := v_1
  3684  		flag := v_2
  3685  		if !(ccARM64Eval(cc, flag) < 0) {
  3686  			break
  3687  		}
  3688  		v.reset(OpNot)
  3689  		v.AddArg(y)
  3690  		return true
  3691  	}
  3692  	return false
  3693  }
  3694  func rewriteValueARM64_OpARM64CSNEG(v *Value) bool {
  3695  	v_2 := v.Args[2]
  3696  	v_1 := v.Args[1]
  3697  	v_0 := v.Args[0]
  3698  	// match: (CSNEG [cc] x y (InvertFlags cmp))
  3699  	// result: (CSNEG [arm64Invert(cc)] x y cmp)
  3700  	for {
  3701  		cc := auxIntToOp(v.AuxInt)
  3702  		x := v_0
  3703  		y := v_1
  3704  		if v_2.Op != OpARM64InvertFlags {
  3705  			break
  3706  		}
  3707  		cmp := v_2.Args[0]
  3708  		v.reset(OpARM64CSNEG)
  3709  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  3710  		v.AddArg3(x, y, cmp)
  3711  		return true
  3712  	}
  3713  	// match: (CSNEG [cc] x _ flag)
  3714  	// cond: ccARM64Eval(cc, flag) > 0
  3715  	// result: x
  3716  	for {
  3717  		cc := auxIntToOp(v.AuxInt)
  3718  		x := v_0
  3719  		flag := v_2
  3720  		if !(ccARM64Eval(cc, flag) > 0) {
  3721  			break
  3722  		}
  3723  		v.copyOf(x)
  3724  		return true
  3725  	}
  3726  	// match: (CSNEG [cc] _ y flag)
  3727  	// cond: ccARM64Eval(cc, flag) < 0
  3728  	// result: (NEG y)
  3729  	for {
  3730  		cc := auxIntToOp(v.AuxInt)
  3731  		y := v_1
  3732  		flag := v_2
  3733  		if !(ccARM64Eval(cc, flag) < 0) {
  3734  			break
  3735  		}
  3736  		v.reset(OpARM64NEG)
  3737  		v.AddArg(y)
  3738  		return true
  3739  	}
  3740  	return false
  3741  }
  3742  func rewriteValueARM64_OpARM64DIV(v *Value) bool {
  3743  	v_1 := v.Args[1]
  3744  	v_0 := v.Args[0]
  3745  	// match: (DIV (MOVDconst [c]) (MOVDconst [d]))
  3746  	// cond: d != 0
  3747  	// result: (MOVDconst [c/d])
  3748  	for {
  3749  		if v_0.Op != OpARM64MOVDconst {
  3750  			break
  3751  		}
  3752  		c := auxIntToInt64(v_0.AuxInt)
  3753  		if v_1.Op != OpARM64MOVDconst {
  3754  			break
  3755  		}
  3756  		d := auxIntToInt64(v_1.AuxInt)
  3757  		if !(d != 0) {
  3758  			break
  3759  		}
  3760  		v.reset(OpARM64MOVDconst)
  3761  		v.AuxInt = int64ToAuxInt(c / d)
  3762  		return true
  3763  	}
  3764  	return false
  3765  }
  3766  func rewriteValueARM64_OpARM64DIVW(v *Value) bool {
  3767  	v_1 := v.Args[1]
  3768  	v_0 := v.Args[0]
  3769  	// match: (DIVW (MOVDconst [c]) (MOVDconst [d]))
  3770  	// cond: d != 0
  3771  	// result: (MOVDconst [int64(uint32(int32(c)/int32(d)))])
  3772  	for {
  3773  		if v_0.Op != OpARM64MOVDconst {
  3774  			break
  3775  		}
  3776  		c := auxIntToInt64(v_0.AuxInt)
  3777  		if v_1.Op != OpARM64MOVDconst {
  3778  			break
  3779  		}
  3780  		d := auxIntToInt64(v_1.AuxInt)
  3781  		if !(d != 0) {
  3782  			break
  3783  		}
  3784  		v.reset(OpARM64MOVDconst)
  3785  		v.AuxInt = int64ToAuxInt(int64(uint32(int32(c) / int32(d))))
  3786  		return true
  3787  	}
  3788  	return false
  3789  }
  3790  func rewriteValueARM64_OpARM64EON(v *Value) bool {
  3791  	v_1 := v.Args[1]
  3792  	v_0 := v.Args[0]
  3793  	// match: (EON x (MOVDconst [c]))
  3794  	// result: (XORconst [^c] x)
  3795  	for {
  3796  		x := v_0
  3797  		if v_1.Op != OpARM64MOVDconst {
  3798  			break
  3799  		}
  3800  		c := auxIntToInt64(v_1.AuxInt)
  3801  		v.reset(OpARM64XORconst)
  3802  		v.AuxInt = int64ToAuxInt(^c)
  3803  		v.AddArg(x)
  3804  		return true
  3805  	}
  3806  	// match: (EON x x)
  3807  	// result: (MOVDconst [-1])
  3808  	for {
  3809  		x := v_0
  3810  		if x != v_1 {
  3811  			break
  3812  		}
  3813  		v.reset(OpARM64MOVDconst)
  3814  		v.AuxInt = int64ToAuxInt(-1)
  3815  		return true
  3816  	}
  3817  	// match: (EON x0 x1:(SLLconst [c] y))
  3818  	// cond: clobberIfDead(x1)
  3819  	// result: (EONshiftLL x0 y [c])
  3820  	for {
  3821  		x0 := v_0
  3822  		x1 := v_1
  3823  		if x1.Op != OpARM64SLLconst {
  3824  			break
  3825  		}
  3826  		c := auxIntToInt64(x1.AuxInt)
  3827  		y := x1.Args[0]
  3828  		if !(clobberIfDead(x1)) {
  3829  			break
  3830  		}
  3831  		v.reset(OpARM64EONshiftLL)
  3832  		v.AuxInt = int64ToAuxInt(c)
  3833  		v.AddArg2(x0, y)
  3834  		return true
  3835  	}
  3836  	// match: (EON x0 x1:(SRLconst [c] y))
  3837  	// cond: clobberIfDead(x1)
  3838  	// result: (EONshiftRL x0 y [c])
  3839  	for {
  3840  		x0 := v_0
  3841  		x1 := v_1
  3842  		if x1.Op != OpARM64SRLconst {
  3843  			break
  3844  		}
  3845  		c := auxIntToInt64(x1.AuxInt)
  3846  		y := x1.Args[0]
  3847  		if !(clobberIfDead(x1)) {
  3848  			break
  3849  		}
  3850  		v.reset(OpARM64EONshiftRL)
  3851  		v.AuxInt = int64ToAuxInt(c)
  3852  		v.AddArg2(x0, y)
  3853  		return true
  3854  	}
  3855  	// match: (EON x0 x1:(SRAconst [c] y))
  3856  	// cond: clobberIfDead(x1)
  3857  	// result: (EONshiftRA x0 y [c])
  3858  	for {
  3859  		x0 := v_0
  3860  		x1 := v_1
  3861  		if x1.Op != OpARM64SRAconst {
  3862  			break
  3863  		}
  3864  		c := auxIntToInt64(x1.AuxInt)
  3865  		y := x1.Args[0]
  3866  		if !(clobberIfDead(x1)) {
  3867  			break
  3868  		}
  3869  		v.reset(OpARM64EONshiftRA)
  3870  		v.AuxInt = int64ToAuxInt(c)
  3871  		v.AddArg2(x0, y)
  3872  		return true
  3873  	}
  3874  	// match: (EON x0 x1:(RORconst [c] y))
  3875  	// cond: clobberIfDead(x1)
  3876  	// result: (EONshiftRO x0 y [c])
  3877  	for {
  3878  		x0 := v_0
  3879  		x1 := v_1
  3880  		if x1.Op != OpARM64RORconst {
  3881  			break
  3882  		}
  3883  		c := auxIntToInt64(x1.AuxInt)
  3884  		y := x1.Args[0]
  3885  		if !(clobberIfDead(x1)) {
  3886  			break
  3887  		}
  3888  		v.reset(OpARM64EONshiftRO)
  3889  		v.AuxInt = int64ToAuxInt(c)
  3890  		v.AddArg2(x0, y)
  3891  		return true
  3892  	}
  3893  	return false
  3894  }
  3895  func rewriteValueARM64_OpARM64EONshiftLL(v *Value) bool {
  3896  	v_1 := v.Args[1]
  3897  	v_0 := v.Args[0]
  3898  	// match: (EONshiftLL x (MOVDconst [c]) [d])
  3899  	// result: (XORconst x [^int64(uint64(c)<<uint64(d))])
  3900  	for {
  3901  		d := auxIntToInt64(v.AuxInt)
  3902  		x := v_0
  3903  		if v_1.Op != OpARM64MOVDconst {
  3904  			break
  3905  		}
  3906  		c := auxIntToInt64(v_1.AuxInt)
  3907  		v.reset(OpARM64XORconst)
  3908  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) << uint64(d)))
  3909  		v.AddArg(x)
  3910  		return true
  3911  	}
  3912  	// match: (EONshiftLL (SLLconst x [c]) x [c])
  3913  	// result: (MOVDconst [-1])
  3914  	for {
  3915  		c := auxIntToInt64(v.AuxInt)
  3916  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
  3917  			break
  3918  		}
  3919  		x := v_0.Args[0]
  3920  		if x != v_1 {
  3921  			break
  3922  		}
  3923  		v.reset(OpARM64MOVDconst)
  3924  		v.AuxInt = int64ToAuxInt(-1)
  3925  		return true
  3926  	}
  3927  	return false
  3928  }
  3929  func rewriteValueARM64_OpARM64EONshiftRA(v *Value) bool {
  3930  	v_1 := v.Args[1]
  3931  	v_0 := v.Args[0]
  3932  	// match: (EONshiftRA x (MOVDconst [c]) [d])
  3933  	// result: (XORconst x [^(c>>uint64(d))])
  3934  	for {
  3935  		d := auxIntToInt64(v.AuxInt)
  3936  		x := v_0
  3937  		if v_1.Op != OpARM64MOVDconst {
  3938  			break
  3939  		}
  3940  		c := auxIntToInt64(v_1.AuxInt)
  3941  		v.reset(OpARM64XORconst)
  3942  		v.AuxInt = int64ToAuxInt(^(c >> uint64(d)))
  3943  		v.AddArg(x)
  3944  		return true
  3945  	}
  3946  	// match: (EONshiftRA (SRAconst x [c]) x [c])
  3947  	// result: (MOVDconst [-1])
  3948  	for {
  3949  		c := auxIntToInt64(v.AuxInt)
  3950  		if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c {
  3951  			break
  3952  		}
  3953  		x := v_0.Args[0]
  3954  		if x != v_1 {
  3955  			break
  3956  		}
  3957  		v.reset(OpARM64MOVDconst)
  3958  		v.AuxInt = int64ToAuxInt(-1)
  3959  		return true
  3960  	}
  3961  	return false
  3962  }
  3963  func rewriteValueARM64_OpARM64EONshiftRL(v *Value) bool {
  3964  	v_1 := v.Args[1]
  3965  	v_0 := v.Args[0]
  3966  	// match: (EONshiftRL x (MOVDconst [c]) [d])
  3967  	// result: (XORconst x [^int64(uint64(c)>>uint64(d))])
  3968  	for {
  3969  		d := auxIntToInt64(v.AuxInt)
  3970  		x := v_0
  3971  		if v_1.Op != OpARM64MOVDconst {
  3972  			break
  3973  		}
  3974  		c := auxIntToInt64(v_1.AuxInt)
  3975  		v.reset(OpARM64XORconst)
  3976  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) >> uint64(d)))
  3977  		v.AddArg(x)
  3978  		return true
  3979  	}
  3980  	// match: (EONshiftRL (SRLconst x [c]) x [c])
  3981  	// result: (MOVDconst [-1])
  3982  	for {
  3983  		c := auxIntToInt64(v.AuxInt)
  3984  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
  3985  			break
  3986  		}
  3987  		x := v_0.Args[0]
  3988  		if x != v_1 {
  3989  			break
  3990  		}
  3991  		v.reset(OpARM64MOVDconst)
  3992  		v.AuxInt = int64ToAuxInt(-1)
  3993  		return true
  3994  	}
  3995  	return false
  3996  }
  3997  func rewriteValueARM64_OpARM64EONshiftRO(v *Value) bool {
  3998  	v_1 := v.Args[1]
  3999  	v_0 := v.Args[0]
  4000  	// match: (EONshiftRO x (MOVDconst [c]) [d])
  4001  	// result: (XORconst x [^rotateRight64(c, d)])
  4002  	for {
  4003  		d := auxIntToInt64(v.AuxInt)
  4004  		x := v_0
  4005  		if v_1.Op != OpARM64MOVDconst {
  4006  			break
  4007  		}
  4008  		c := auxIntToInt64(v_1.AuxInt)
  4009  		v.reset(OpARM64XORconst)
  4010  		v.AuxInt = int64ToAuxInt(^rotateRight64(c, d))
  4011  		v.AddArg(x)
  4012  		return true
  4013  	}
  4014  	// match: (EONshiftRO (RORconst x [c]) x [c])
  4015  	// result: (MOVDconst [-1])
  4016  	for {
  4017  		c := auxIntToInt64(v.AuxInt)
  4018  		if v_0.Op != OpARM64RORconst || auxIntToInt64(v_0.AuxInt) != c {
  4019  			break
  4020  		}
  4021  		x := v_0.Args[0]
  4022  		if x != v_1 {
  4023  			break
  4024  		}
  4025  		v.reset(OpARM64MOVDconst)
  4026  		v.AuxInt = int64ToAuxInt(-1)
  4027  		return true
  4028  	}
  4029  	return false
  4030  }
  4031  func rewriteValueARM64_OpARM64Equal(v *Value) bool {
  4032  	v_0 := v.Args[0]
  4033  	b := v.Block
  4034  	// match: (Equal (CMPconst [0] z:(AND x y)))
  4035  	// cond: z.Uses == 1
  4036  	// result: (Equal (TST x y))
  4037  	for {
  4038  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  4039  			break
  4040  		}
  4041  		z := v_0.Args[0]
  4042  		if z.Op != OpARM64AND {
  4043  			break
  4044  		}
  4045  		y := z.Args[1]
  4046  		x := z.Args[0]
  4047  		if !(z.Uses == 1) {
  4048  			break
  4049  		}
  4050  		v.reset(OpARM64Equal)
  4051  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
  4052  		v0.AddArg2(x, y)
  4053  		v.AddArg(v0)
  4054  		return true
  4055  	}
  4056  	// match: (Equal (CMPWconst [0] x:(ANDconst [c] y)))
  4057  	// cond: x.Uses == 1
  4058  	// result: (Equal (TSTWconst [int32(c)] y))
  4059  	for {
  4060  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  4061  			break
  4062  		}
  4063  		x := v_0.Args[0]
  4064  		if x.Op != OpARM64ANDconst {
  4065  			break
  4066  		}
  4067  		c := auxIntToInt64(x.AuxInt)
  4068  		y := x.Args[0]
  4069  		if !(x.Uses == 1) {
  4070  			break
  4071  		}
  4072  		v.reset(OpARM64Equal)
  4073  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
  4074  		v0.AuxInt = int32ToAuxInt(int32(c))
  4075  		v0.AddArg(y)
  4076  		v.AddArg(v0)
  4077  		return true
  4078  	}
  4079  	// match: (Equal (CMPWconst [0] z:(AND x y)))
  4080  	// cond: z.Uses == 1
  4081  	// result: (Equal (TSTW x y))
  4082  	for {
  4083  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  4084  			break
  4085  		}
  4086  		z := v_0.Args[0]
  4087  		if z.Op != OpARM64AND {
  4088  			break
  4089  		}
  4090  		y := z.Args[1]
  4091  		x := z.Args[0]
  4092  		if !(z.Uses == 1) {
  4093  			break
  4094  		}
  4095  		v.reset(OpARM64Equal)
  4096  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
  4097  		v0.AddArg2(x, y)
  4098  		v.AddArg(v0)
  4099  		return true
  4100  	}
  4101  	// match: (Equal (CMPconst [0] x:(ANDconst [c] y)))
  4102  	// cond: x.Uses == 1
  4103  	// result: (Equal (TSTconst [c] y))
  4104  	for {
  4105  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  4106  			break
  4107  		}
  4108  		x := v_0.Args[0]
  4109  		if x.Op != OpARM64ANDconst {
  4110  			break
  4111  		}
  4112  		c := auxIntToInt64(x.AuxInt)
  4113  		y := x.Args[0]
  4114  		if !(x.Uses == 1) {
  4115  			break
  4116  		}
  4117  		v.reset(OpARM64Equal)
  4118  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
  4119  		v0.AuxInt = int64ToAuxInt(c)
  4120  		v0.AddArg(y)
  4121  		v.AddArg(v0)
  4122  		return true
  4123  	}
  4124  	// match: (Equal (CMP x z:(NEG y)))
  4125  	// cond: z.Uses == 1
  4126  	// result: (Equal (CMN x y))
  4127  	for {
  4128  		if v_0.Op != OpARM64CMP {
  4129  			break
  4130  		}
  4131  		_ = v_0.Args[1]
  4132  		x := v_0.Args[0]
  4133  		z := v_0.Args[1]
  4134  		if z.Op != OpARM64NEG {
  4135  			break
  4136  		}
  4137  		y := z.Args[0]
  4138  		if !(z.Uses == 1) {
  4139  			break
  4140  		}
  4141  		v.reset(OpARM64Equal)
  4142  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  4143  		v0.AddArg2(x, y)
  4144  		v.AddArg(v0)
  4145  		return true
  4146  	}
  4147  	// match: (Equal (CMPW x z:(NEG y)))
  4148  	// cond: z.Uses == 1
  4149  	// result: (Equal (CMNW x y))
  4150  	for {
  4151  		if v_0.Op != OpARM64CMPW {
  4152  			break
  4153  		}
  4154  		_ = v_0.Args[1]
  4155  		x := v_0.Args[0]
  4156  		z := v_0.Args[1]
  4157  		if z.Op != OpARM64NEG {
  4158  			break
  4159  		}
  4160  		y := z.Args[0]
  4161  		if !(z.Uses == 1) {
  4162  			break
  4163  		}
  4164  		v.reset(OpARM64Equal)
  4165  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  4166  		v0.AddArg2(x, y)
  4167  		v.AddArg(v0)
  4168  		return true
  4169  	}
  4170  	// match: (Equal (CMPconst [0] x:(ADDconst [c] y)))
  4171  	// cond: x.Uses == 1
  4172  	// result: (Equal (CMNconst [c] y))
  4173  	for {
  4174  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  4175  			break
  4176  		}
  4177  		x := v_0.Args[0]
  4178  		if x.Op != OpARM64ADDconst {
  4179  			break
  4180  		}
  4181  		c := auxIntToInt64(x.AuxInt)
  4182  		y := x.Args[0]
  4183  		if !(x.Uses == 1) {
  4184  			break
  4185  		}
  4186  		v.reset(OpARM64Equal)
  4187  		v0 := b.NewValue0(v.Pos, OpARM64CMNconst, types.TypeFlags)
  4188  		v0.AuxInt = int64ToAuxInt(c)
  4189  		v0.AddArg(y)
  4190  		v.AddArg(v0)
  4191  		return true
  4192  	}
  4193  	// match: (Equal (CMPWconst [0] x:(ADDconst [c] y)))
  4194  	// cond: x.Uses == 1
  4195  	// result: (Equal (CMNWconst [int32(c)] y))
  4196  	for {
  4197  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  4198  			break
  4199  		}
  4200  		x := v_0.Args[0]
  4201  		if x.Op != OpARM64ADDconst {
  4202  			break
  4203  		}
  4204  		c := auxIntToInt64(x.AuxInt)
  4205  		y := x.Args[0]
  4206  		if !(x.Uses == 1) {
  4207  			break
  4208  		}
  4209  		v.reset(OpARM64Equal)
  4210  		v0 := b.NewValue0(v.Pos, OpARM64CMNWconst, types.TypeFlags)
  4211  		v0.AuxInt = int32ToAuxInt(int32(c))
  4212  		v0.AddArg(y)
  4213  		v.AddArg(v0)
  4214  		return true
  4215  	}
  4216  	// match: (Equal (CMPconst [0] z:(ADD x y)))
  4217  	// cond: z.Uses == 1
  4218  	// result: (Equal (CMN x y))
  4219  	for {
  4220  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  4221  			break
  4222  		}
  4223  		z := v_0.Args[0]
  4224  		if z.Op != OpARM64ADD {
  4225  			break
  4226  		}
  4227  		y := z.Args[1]
  4228  		x := z.Args[0]
  4229  		if !(z.Uses == 1) {
  4230  			break
  4231  		}
  4232  		v.reset(OpARM64Equal)
  4233  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  4234  		v0.AddArg2(x, y)
  4235  		v.AddArg(v0)
  4236  		return true
  4237  	}
  4238  	// match: (Equal (CMPWconst [0] z:(ADD x y)))
  4239  	// cond: z.Uses == 1
  4240  	// result: (Equal (CMNW x y))
  4241  	for {
  4242  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  4243  			break
  4244  		}
  4245  		z := v_0.Args[0]
  4246  		if z.Op != OpARM64ADD {
  4247  			break
  4248  		}
  4249  		y := z.Args[1]
  4250  		x := z.Args[0]
  4251  		if !(z.Uses == 1) {
  4252  			break
  4253  		}
  4254  		v.reset(OpARM64Equal)
  4255  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  4256  		v0.AddArg2(x, y)
  4257  		v.AddArg(v0)
  4258  		return true
  4259  	}
  4260  	// match: (Equal (CMPconst [0] z:(MADD a x y)))
  4261  	// cond: z.Uses == 1
  4262  	// result: (Equal (CMN a (MUL <x.Type> x y)))
  4263  	for {
  4264  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  4265  			break
  4266  		}
  4267  		z := v_0.Args[0]
  4268  		if z.Op != OpARM64MADD {
  4269  			break
  4270  		}
  4271  		y := z.Args[2]
  4272  		a := z.Args[0]
  4273  		x := z.Args[1]
  4274  		if !(z.Uses == 1) {
  4275  			break
  4276  		}
  4277  		v.reset(OpARM64Equal)
  4278  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  4279  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  4280  		v1.AddArg2(x, y)
  4281  		v0.AddArg2(a, v1)
  4282  		v.AddArg(v0)
  4283  		return true
  4284  	}
  4285  	// match: (Equal (CMPconst [0] z:(MSUB a x y)))
  4286  	// cond: z.Uses == 1
  4287  	// result: (Equal (CMP a (MUL <x.Type> x y)))
  4288  	for {
  4289  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  4290  			break
  4291  		}
  4292  		z := v_0.Args[0]
  4293  		if z.Op != OpARM64MSUB {
  4294  			break
  4295  		}
  4296  		y := z.Args[2]
  4297  		a := z.Args[0]
  4298  		x := z.Args[1]
  4299  		if !(z.Uses == 1) {
  4300  			break
  4301  		}
  4302  		v.reset(OpARM64Equal)
  4303  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
  4304  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  4305  		v1.AddArg2(x, y)
  4306  		v0.AddArg2(a, v1)
  4307  		v.AddArg(v0)
  4308  		return true
  4309  	}
  4310  	// match: (Equal (CMPWconst [0] z:(MADDW a x y)))
  4311  	// cond: z.Uses == 1
  4312  	// result: (Equal (CMNW a (MULW <x.Type> x y)))
  4313  	for {
  4314  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  4315  			break
  4316  		}
  4317  		z := v_0.Args[0]
  4318  		if z.Op != OpARM64MADDW {
  4319  			break
  4320  		}
  4321  		y := z.Args[2]
  4322  		a := z.Args[0]
  4323  		x := z.Args[1]
  4324  		if !(z.Uses == 1) {
  4325  			break
  4326  		}
  4327  		v.reset(OpARM64Equal)
  4328  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  4329  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  4330  		v1.AddArg2(x, y)
  4331  		v0.AddArg2(a, v1)
  4332  		v.AddArg(v0)
  4333  		return true
  4334  	}
  4335  	// match: (Equal (CMPWconst [0] z:(MSUBW a x y)))
  4336  	// cond: z.Uses == 1
  4337  	// result: (Equal (CMPW a (MULW <x.Type> x y)))
  4338  	for {
  4339  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  4340  			break
  4341  		}
  4342  		z := v_0.Args[0]
  4343  		if z.Op != OpARM64MSUBW {
  4344  			break
  4345  		}
  4346  		y := z.Args[2]
  4347  		a := z.Args[0]
  4348  		x := z.Args[1]
  4349  		if !(z.Uses == 1) {
  4350  			break
  4351  		}
  4352  		v.reset(OpARM64Equal)
  4353  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
  4354  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  4355  		v1.AddArg2(x, y)
  4356  		v0.AddArg2(a, v1)
  4357  		v.AddArg(v0)
  4358  		return true
  4359  	}
  4360  	// match: (Equal (FlagConstant [fc]))
  4361  	// result: (MOVDconst [b2i(fc.eq())])
  4362  	for {
  4363  		if v_0.Op != OpARM64FlagConstant {
  4364  			break
  4365  		}
  4366  		fc := auxIntToFlagConstant(v_0.AuxInt)
  4367  		v.reset(OpARM64MOVDconst)
  4368  		v.AuxInt = int64ToAuxInt(b2i(fc.eq()))
  4369  		return true
  4370  	}
  4371  	// match: (Equal (InvertFlags x))
  4372  	// result: (Equal x)
  4373  	for {
  4374  		if v_0.Op != OpARM64InvertFlags {
  4375  			break
  4376  		}
  4377  		x := v_0.Args[0]
  4378  		v.reset(OpARM64Equal)
  4379  		v.AddArg(x)
  4380  		return true
  4381  	}
  4382  	return false
  4383  }
  4384  func rewriteValueARM64_OpARM64FADDD(v *Value) bool {
  4385  	v_1 := v.Args[1]
  4386  	v_0 := v.Args[0]
  4387  	// match: (FADDD a (FMULD x y))
  4388  	// cond: a.Block.Func.useFMA(v)
  4389  	// result: (FMADDD a x y)
  4390  	for {
  4391  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  4392  			a := v_0
  4393  			if v_1.Op != OpARM64FMULD {
  4394  				continue
  4395  			}
  4396  			y := v_1.Args[1]
  4397  			x := v_1.Args[0]
  4398  			if !(a.Block.Func.useFMA(v)) {
  4399  				continue
  4400  			}
  4401  			v.reset(OpARM64FMADDD)
  4402  			v.AddArg3(a, x, y)
  4403  			return true
  4404  		}
  4405  		break
  4406  	}
  4407  	// match: (FADDD a (FNMULD x y))
  4408  	// cond: a.Block.Func.useFMA(v)
  4409  	// result: (FMSUBD a x y)
  4410  	for {
  4411  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  4412  			a := v_0
  4413  			if v_1.Op != OpARM64FNMULD {
  4414  				continue
  4415  			}
  4416  			y := v_1.Args[1]
  4417  			x := v_1.Args[0]
  4418  			if !(a.Block.Func.useFMA(v)) {
  4419  				continue
  4420  			}
  4421  			v.reset(OpARM64FMSUBD)
  4422  			v.AddArg3(a, x, y)
  4423  			return true
  4424  		}
  4425  		break
  4426  	}
  4427  	return false
  4428  }
  4429  func rewriteValueARM64_OpARM64FADDS(v *Value) bool {
  4430  	v_1 := v.Args[1]
  4431  	v_0 := v.Args[0]
  4432  	// match: (FADDS a (FMULS x y))
  4433  	// cond: a.Block.Func.useFMA(v)
  4434  	// result: (FMADDS a x y)
  4435  	for {
  4436  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  4437  			a := v_0
  4438  			if v_1.Op != OpARM64FMULS {
  4439  				continue
  4440  			}
  4441  			y := v_1.Args[1]
  4442  			x := v_1.Args[0]
  4443  			if !(a.Block.Func.useFMA(v)) {
  4444  				continue
  4445  			}
  4446  			v.reset(OpARM64FMADDS)
  4447  			v.AddArg3(a, x, y)
  4448  			return true
  4449  		}
  4450  		break
  4451  	}
  4452  	// match: (FADDS a (FNMULS x y))
  4453  	// cond: a.Block.Func.useFMA(v)
  4454  	// result: (FMSUBS a x y)
  4455  	for {
  4456  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  4457  			a := v_0
  4458  			if v_1.Op != OpARM64FNMULS {
  4459  				continue
  4460  			}
  4461  			y := v_1.Args[1]
  4462  			x := v_1.Args[0]
  4463  			if !(a.Block.Func.useFMA(v)) {
  4464  				continue
  4465  			}
  4466  			v.reset(OpARM64FMSUBS)
  4467  			v.AddArg3(a, x, y)
  4468  			return true
  4469  		}
  4470  		break
  4471  	}
  4472  	return false
  4473  }
  4474  func rewriteValueARM64_OpARM64FCMPD(v *Value) bool {
  4475  	v_1 := v.Args[1]
  4476  	v_0 := v.Args[0]
  4477  	b := v.Block
  4478  	// match: (FCMPD x (FMOVDconst [0]))
  4479  	// result: (FCMPD0 x)
  4480  	for {
  4481  		x := v_0
  4482  		if v_1.Op != OpARM64FMOVDconst || auxIntToFloat64(v_1.AuxInt) != 0 {
  4483  			break
  4484  		}
  4485  		v.reset(OpARM64FCMPD0)
  4486  		v.AddArg(x)
  4487  		return true
  4488  	}
  4489  	// match: (FCMPD (FMOVDconst [0]) x)
  4490  	// result: (InvertFlags (FCMPD0 x))
  4491  	for {
  4492  		if v_0.Op != OpARM64FMOVDconst || auxIntToFloat64(v_0.AuxInt) != 0 {
  4493  			break
  4494  		}
  4495  		x := v_1
  4496  		v.reset(OpARM64InvertFlags)
  4497  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD0, types.TypeFlags)
  4498  		v0.AddArg(x)
  4499  		v.AddArg(v0)
  4500  		return true
  4501  	}
  4502  	return false
  4503  }
  4504  func rewriteValueARM64_OpARM64FCMPS(v *Value) bool {
  4505  	v_1 := v.Args[1]
  4506  	v_0 := v.Args[0]
  4507  	b := v.Block
  4508  	// match: (FCMPS x (FMOVSconst [0]))
  4509  	// result: (FCMPS0 x)
  4510  	for {
  4511  		x := v_0
  4512  		if v_1.Op != OpARM64FMOVSconst || auxIntToFloat64(v_1.AuxInt) != 0 {
  4513  			break
  4514  		}
  4515  		v.reset(OpARM64FCMPS0)
  4516  		v.AddArg(x)
  4517  		return true
  4518  	}
  4519  	// match: (FCMPS (FMOVSconst [0]) x)
  4520  	// result: (InvertFlags (FCMPS0 x))
  4521  	for {
  4522  		if v_0.Op != OpARM64FMOVSconst || auxIntToFloat64(v_0.AuxInt) != 0 {
  4523  			break
  4524  		}
  4525  		x := v_1
  4526  		v.reset(OpARM64InvertFlags)
  4527  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS0, types.TypeFlags)
  4528  		v0.AddArg(x)
  4529  		v.AddArg(v0)
  4530  		return true
  4531  	}
  4532  	return false
  4533  }
  4534  func rewriteValueARM64_OpARM64FMOVDfpgp(v *Value) bool {
  4535  	v_0 := v.Args[0]
  4536  	b := v.Block
  4537  	// match: (FMOVDfpgp <t> (Arg [off] {sym}))
  4538  	// result: @b.Func.Entry (Arg <t> [off] {sym})
  4539  	for {
  4540  		t := v.Type
  4541  		if v_0.Op != OpArg {
  4542  			break
  4543  		}
  4544  		off := auxIntToInt32(v_0.AuxInt)
  4545  		sym := auxToSym(v_0.Aux)
  4546  		b = b.Func.Entry
  4547  		v0 := b.NewValue0(v.Pos, OpArg, t)
  4548  		v.copyOf(v0)
  4549  		v0.AuxInt = int32ToAuxInt(off)
  4550  		v0.Aux = symToAux(sym)
  4551  		return true
  4552  	}
  4553  	return false
  4554  }
  4555  func rewriteValueARM64_OpARM64FMOVDgpfp(v *Value) bool {
  4556  	v_0 := v.Args[0]
  4557  	b := v.Block
  4558  	// match: (FMOVDgpfp <t> (Arg [off] {sym}))
  4559  	// result: @b.Func.Entry (Arg <t> [off] {sym})
  4560  	for {
  4561  		t := v.Type
  4562  		if v_0.Op != OpArg {
  4563  			break
  4564  		}
  4565  		off := auxIntToInt32(v_0.AuxInt)
  4566  		sym := auxToSym(v_0.Aux)
  4567  		b = b.Func.Entry
  4568  		v0 := b.NewValue0(v.Pos, OpArg, t)
  4569  		v.copyOf(v0)
  4570  		v0.AuxInt = int32ToAuxInt(off)
  4571  		v0.Aux = symToAux(sym)
  4572  		return true
  4573  	}
  4574  	return false
  4575  }
  4576  func rewriteValueARM64_OpARM64FMOVDload(v *Value) bool {
  4577  	v_1 := v.Args[1]
  4578  	v_0 := v.Args[0]
  4579  	b := v.Block
  4580  	config := b.Func.Config
  4581  	// match: (FMOVDload [off] {sym} ptr (MOVDstore [off] {sym} ptr val _))
  4582  	// result: (FMOVDgpfp val)
  4583  	for {
  4584  		off := auxIntToInt32(v.AuxInt)
  4585  		sym := auxToSym(v.Aux)
  4586  		ptr := v_0
  4587  		if v_1.Op != OpARM64MOVDstore || auxIntToInt32(v_1.AuxInt) != off || auxToSym(v_1.Aux) != sym {
  4588  			break
  4589  		}
  4590  		val := v_1.Args[1]
  4591  		if ptr != v_1.Args[0] {
  4592  			break
  4593  		}
  4594  		v.reset(OpARM64FMOVDgpfp)
  4595  		v.AddArg(val)
  4596  		return true
  4597  	}
  4598  	// match: (FMOVDload [off1] {sym} (ADDconst [off2] ptr) mem)
  4599  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  4600  	// result: (FMOVDload [off1+int32(off2)] {sym} ptr mem)
  4601  	for {
  4602  		off1 := auxIntToInt32(v.AuxInt)
  4603  		sym := auxToSym(v.Aux)
  4604  		if v_0.Op != OpARM64ADDconst {
  4605  			break
  4606  		}
  4607  		off2 := auxIntToInt64(v_0.AuxInt)
  4608  		ptr := v_0.Args[0]
  4609  		mem := v_1
  4610  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  4611  			break
  4612  		}
  4613  		v.reset(OpARM64FMOVDload)
  4614  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  4615  		v.Aux = symToAux(sym)
  4616  		v.AddArg2(ptr, mem)
  4617  		return true
  4618  	}
  4619  	// match: (FMOVDload [off] {sym} (ADD ptr idx) mem)
  4620  	// cond: off == 0 && sym == nil
  4621  	// result: (FMOVDloadidx ptr idx mem)
  4622  	for {
  4623  		off := auxIntToInt32(v.AuxInt)
  4624  		sym := auxToSym(v.Aux)
  4625  		if v_0.Op != OpARM64ADD {
  4626  			break
  4627  		}
  4628  		idx := v_0.Args[1]
  4629  		ptr := v_0.Args[0]
  4630  		mem := v_1
  4631  		if !(off == 0 && sym == nil) {
  4632  			break
  4633  		}
  4634  		v.reset(OpARM64FMOVDloadidx)
  4635  		v.AddArg3(ptr, idx, mem)
  4636  		return true
  4637  	}
  4638  	// match: (FMOVDload [off] {sym} (ADDshiftLL [3] ptr idx) mem)
  4639  	// cond: off == 0 && sym == nil
  4640  	// result: (FMOVDloadidx8 ptr idx mem)
  4641  	for {
  4642  		off := auxIntToInt32(v.AuxInt)
  4643  		sym := auxToSym(v.Aux)
  4644  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 {
  4645  			break
  4646  		}
  4647  		idx := v_0.Args[1]
  4648  		ptr := v_0.Args[0]
  4649  		mem := v_1
  4650  		if !(off == 0 && sym == nil) {
  4651  			break
  4652  		}
  4653  		v.reset(OpARM64FMOVDloadidx8)
  4654  		v.AddArg3(ptr, idx, mem)
  4655  		return true
  4656  	}
  4657  	// match: (FMOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  4658  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  4659  	// result: (FMOVDload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  4660  	for {
  4661  		off1 := auxIntToInt32(v.AuxInt)
  4662  		sym1 := auxToSym(v.Aux)
  4663  		if v_0.Op != OpARM64MOVDaddr {
  4664  			break
  4665  		}
  4666  		off2 := auxIntToInt32(v_0.AuxInt)
  4667  		sym2 := auxToSym(v_0.Aux)
  4668  		ptr := v_0.Args[0]
  4669  		mem := v_1
  4670  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  4671  			break
  4672  		}
  4673  		v.reset(OpARM64FMOVDload)
  4674  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4675  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4676  		v.AddArg2(ptr, mem)
  4677  		return true
  4678  	}
  4679  	return false
  4680  }
  4681  func rewriteValueARM64_OpARM64FMOVDloadidx(v *Value) bool {
  4682  	v_2 := v.Args[2]
  4683  	v_1 := v.Args[1]
  4684  	v_0 := v.Args[0]
  4685  	// match: (FMOVDloadidx ptr (MOVDconst [c]) mem)
  4686  	// cond: is32Bit(c)
  4687  	// result: (FMOVDload [int32(c)] ptr mem)
  4688  	for {
  4689  		ptr := v_0
  4690  		if v_1.Op != OpARM64MOVDconst {
  4691  			break
  4692  		}
  4693  		c := auxIntToInt64(v_1.AuxInt)
  4694  		mem := v_2
  4695  		if !(is32Bit(c)) {
  4696  			break
  4697  		}
  4698  		v.reset(OpARM64FMOVDload)
  4699  		v.AuxInt = int32ToAuxInt(int32(c))
  4700  		v.AddArg2(ptr, mem)
  4701  		return true
  4702  	}
  4703  	// match: (FMOVDloadidx (MOVDconst [c]) ptr mem)
  4704  	// cond: is32Bit(c)
  4705  	// result: (FMOVDload [int32(c)] ptr mem)
  4706  	for {
  4707  		if v_0.Op != OpARM64MOVDconst {
  4708  			break
  4709  		}
  4710  		c := auxIntToInt64(v_0.AuxInt)
  4711  		ptr := v_1
  4712  		mem := v_2
  4713  		if !(is32Bit(c)) {
  4714  			break
  4715  		}
  4716  		v.reset(OpARM64FMOVDload)
  4717  		v.AuxInt = int32ToAuxInt(int32(c))
  4718  		v.AddArg2(ptr, mem)
  4719  		return true
  4720  	}
  4721  	// match: (FMOVDloadidx ptr (SLLconst [3] idx) mem)
  4722  	// result: (FMOVDloadidx8 ptr idx mem)
  4723  	for {
  4724  		ptr := v_0
  4725  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 {
  4726  			break
  4727  		}
  4728  		idx := v_1.Args[0]
  4729  		mem := v_2
  4730  		v.reset(OpARM64FMOVDloadidx8)
  4731  		v.AddArg3(ptr, idx, mem)
  4732  		return true
  4733  	}
  4734  	// match: (FMOVDloadidx (SLLconst [3] idx) ptr mem)
  4735  	// result: (FMOVDloadidx8 ptr idx mem)
  4736  	for {
  4737  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 {
  4738  			break
  4739  		}
  4740  		idx := v_0.Args[0]
  4741  		ptr := v_1
  4742  		mem := v_2
  4743  		v.reset(OpARM64FMOVDloadidx8)
  4744  		v.AddArg3(ptr, idx, mem)
  4745  		return true
  4746  	}
  4747  	return false
  4748  }
  4749  func rewriteValueARM64_OpARM64FMOVDloadidx8(v *Value) bool {
  4750  	v_2 := v.Args[2]
  4751  	v_1 := v.Args[1]
  4752  	v_0 := v.Args[0]
  4753  	// match: (FMOVDloadidx8 ptr (MOVDconst [c]) mem)
  4754  	// cond: is32Bit(c<<3)
  4755  	// result: (FMOVDload ptr [int32(c)<<3] mem)
  4756  	for {
  4757  		ptr := v_0
  4758  		if v_1.Op != OpARM64MOVDconst {
  4759  			break
  4760  		}
  4761  		c := auxIntToInt64(v_1.AuxInt)
  4762  		mem := v_2
  4763  		if !(is32Bit(c << 3)) {
  4764  			break
  4765  		}
  4766  		v.reset(OpARM64FMOVDload)
  4767  		v.AuxInt = int32ToAuxInt(int32(c) << 3)
  4768  		v.AddArg2(ptr, mem)
  4769  		return true
  4770  	}
  4771  	return false
  4772  }
  4773  func rewriteValueARM64_OpARM64FMOVDstore(v *Value) bool {
  4774  	v_2 := v.Args[2]
  4775  	v_1 := v.Args[1]
  4776  	v_0 := v.Args[0]
  4777  	b := v.Block
  4778  	config := b.Func.Config
  4779  	// match: (FMOVDstore [off] {sym} ptr (FMOVDgpfp val) mem)
  4780  	// result: (MOVDstore [off] {sym} ptr val mem)
  4781  	for {
  4782  		off := auxIntToInt32(v.AuxInt)
  4783  		sym := auxToSym(v.Aux)
  4784  		ptr := v_0
  4785  		if v_1.Op != OpARM64FMOVDgpfp {
  4786  			break
  4787  		}
  4788  		val := v_1.Args[0]
  4789  		mem := v_2
  4790  		v.reset(OpARM64MOVDstore)
  4791  		v.AuxInt = int32ToAuxInt(off)
  4792  		v.Aux = symToAux(sym)
  4793  		v.AddArg3(ptr, val, mem)
  4794  		return true
  4795  	}
  4796  	// match: (FMOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  4797  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  4798  	// result: (FMOVDstore [off1+int32(off2)] {sym} ptr val mem)
  4799  	for {
  4800  		off1 := auxIntToInt32(v.AuxInt)
  4801  		sym := auxToSym(v.Aux)
  4802  		if v_0.Op != OpARM64ADDconst {
  4803  			break
  4804  		}
  4805  		off2 := auxIntToInt64(v_0.AuxInt)
  4806  		ptr := v_0.Args[0]
  4807  		val := v_1
  4808  		mem := v_2
  4809  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  4810  			break
  4811  		}
  4812  		v.reset(OpARM64FMOVDstore)
  4813  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  4814  		v.Aux = symToAux(sym)
  4815  		v.AddArg3(ptr, val, mem)
  4816  		return true
  4817  	}
  4818  	// match: (FMOVDstore [off] {sym} (ADD ptr idx) val mem)
  4819  	// cond: off == 0 && sym == nil
  4820  	// result: (FMOVDstoreidx ptr idx val mem)
  4821  	for {
  4822  		off := auxIntToInt32(v.AuxInt)
  4823  		sym := auxToSym(v.Aux)
  4824  		if v_0.Op != OpARM64ADD {
  4825  			break
  4826  		}
  4827  		idx := v_0.Args[1]
  4828  		ptr := v_0.Args[0]
  4829  		val := v_1
  4830  		mem := v_2
  4831  		if !(off == 0 && sym == nil) {
  4832  			break
  4833  		}
  4834  		v.reset(OpARM64FMOVDstoreidx)
  4835  		v.AddArg4(ptr, idx, val, mem)
  4836  		return true
  4837  	}
  4838  	// match: (FMOVDstore [off] {sym} (ADDshiftLL [3] ptr idx) val mem)
  4839  	// cond: off == 0 && sym == nil
  4840  	// result: (FMOVDstoreidx8 ptr idx val mem)
  4841  	for {
  4842  		off := auxIntToInt32(v.AuxInt)
  4843  		sym := auxToSym(v.Aux)
  4844  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 {
  4845  			break
  4846  		}
  4847  		idx := v_0.Args[1]
  4848  		ptr := v_0.Args[0]
  4849  		val := v_1
  4850  		mem := v_2
  4851  		if !(off == 0 && sym == nil) {
  4852  			break
  4853  		}
  4854  		v.reset(OpARM64FMOVDstoreidx8)
  4855  		v.AddArg4(ptr, idx, val, mem)
  4856  		return true
  4857  	}
  4858  	// match: (FMOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
  4859  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  4860  	// result: (FMOVDstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
  4861  	for {
  4862  		off1 := auxIntToInt32(v.AuxInt)
  4863  		sym1 := auxToSym(v.Aux)
  4864  		if v_0.Op != OpARM64MOVDaddr {
  4865  			break
  4866  		}
  4867  		off2 := auxIntToInt32(v_0.AuxInt)
  4868  		sym2 := auxToSym(v_0.Aux)
  4869  		ptr := v_0.Args[0]
  4870  		val := v_1
  4871  		mem := v_2
  4872  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  4873  			break
  4874  		}
  4875  		v.reset(OpARM64FMOVDstore)
  4876  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4877  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4878  		v.AddArg3(ptr, val, mem)
  4879  		return true
  4880  	}
  4881  	return false
  4882  }
  4883  func rewriteValueARM64_OpARM64FMOVDstoreidx(v *Value) bool {
  4884  	v_3 := v.Args[3]
  4885  	v_2 := v.Args[2]
  4886  	v_1 := v.Args[1]
  4887  	v_0 := v.Args[0]
  4888  	// match: (FMOVDstoreidx ptr (MOVDconst [c]) val mem)
  4889  	// cond: is32Bit(c)
  4890  	// result: (FMOVDstore [int32(c)] ptr val mem)
  4891  	for {
  4892  		ptr := v_0
  4893  		if v_1.Op != OpARM64MOVDconst {
  4894  			break
  4895  		}
  4896  		c := auxIntToInt64(v_1.AuxInt)
  4897  		val := v_2
  4898  		mem := v_3
  4899  		if !(is32Bit(c)) {
  4900  			break
  4901  		}
  4902  		v.reset(OpARM64FMOVDstore)
  4903  		v.AuxInt = int32ToAuxInt(int32(c))
  4904  		v.AddArg3(ptr, val, mem)
  4905  		return true
  4906  	}
  4907  	// match: (FMOVDstoreidx (MOVDconst [c]) idx val mem)
  4908  	// cond: is32Bit(c)
  4909  	// result: (FMOVDstore [int32(c)] idx val mem)
  4910  	for {
  4911  		if v_0.Op != OpARM64MOVDconst {
  4912  			break
  4913  		}
  4914  		c := auxIntToInt64(v_0.AuxInt)
  4915  		idx := v_1
  4916  		val := v_2
  4917  		mem := v_3
  4918  		if !(is32Bit(c)) {
  4919  			break
  4920  		}
  4921  		v.reset(OpARM64FMOVDstore)
  4922  		v.AuxInt = int32ToAuxInt(int32(c))
  4923  		v.AddArg3(idx, val, mem)
  4924  		return true
  4925  	}
  4926  	// match: (FMOVDstoreidx ptr (SLLconst [3] idx) val mem)
  4927  	// result: (FMOVDstoreidx8 ptr idx val mem)
  4928  	for {
  4929  		ptr := v_0
  4930  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 {
  4931  			break
  4932  		}
  4933  		idx := v_1.Args[0]
  4934  		val := v_2
  4935  		mem := v_3
  4936  		v.reset(OpARM64FMOVDstoreidx8)
  4937  		v.AddArg4(ptr, idx, val, mem)
  4938  		return true
  4939  	}
  4940  	// match: (FMOVDstoreidx (SLLconst [3] idx) ptr val mem)
  4941  	// result: (FMOVDstoreidx8 ptr idx val mem)
  4942  	for {
  4943  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 {
  4944  			break
  4945  		}
  4946  		idx := v_0.Args[0]
  4947  		ptr := v_1
  4948  		val := v_2
  4949  		mem := v_3
  4950  		v.reset(OpARM64FMOVDstoreidx8)
  4951  		v.AddArg4(ptr, idx, val, mem)
  4952  		return true
  4953  	}
  4954  	return false
  4955  }
  4956  func rewriteValueARM64_OpARM64FMOVDstoreidx8(v *Value) bool {
  4957  	v_3 := v.Args[3]
  4958  	v_2 := v.Args[2]
  4959  	v_1 := v.Args[1]
  4960  	v_0 := v.Args[0]
  4961  	// match: (FMOVDstoreidx8 ptr (MOVDconst [c]) val mem)
  4962  	// cond: is32Bit(c<<3)
  4963  	// result: (FMOVDstore [int32(c)<<3] ptr val mem)
  4964  	for {
  4965  		ptr := v_0
  4966  		if v_1.Op != OpARM64MOVDconst {
  4967  			break
  4968  		}
  4969  		c := auxIntToInt64(v_1.AuxInt)
  4970  		val := v_2
  4971  		mem := v_3
  4972  		if !(is32Bit(c << 3)) {
  4973  			break
  4974  		}
  4975  		v.reset(OpARM64FMOVDstore)
  4976  		v.AuxInt = int32ToAuxInt(int32(c) << 3)
  4977  		v.AddArg3(ptr, val, mem)
  4978  		return true
  4979  	}
  4980  	return false
  4981  }
  4982  func rewriteValueARM64_OpARM64FMOVSload(v *Value) bool {
  4983  	v_1 := v.Args[1]
  4984  	v_0 := v.Args[0]
  4985  	b := v.Block
  4986  	config := b.Func.Config
  4987  	// match: (FMOVSload [off] {sym} ptr (MOVWstore [off] {sym} ptr val _))
  4988  	// result: (FMOVSgpfp val)
  4989  	for {
  4990  		off := auxIntToInt32(v.AuxInt)
  4991  		sym := auxToSym(v.Aux)
  4992  		ptr := v_0
  4993  		if v_1.Op != OpARM64MOVWstore || auxIntToInt32(v_1.AuxInt) != off || auxToSym(v_1.Aux) != sym {
  4994  			break
  4995  		}
  4996  		val := v_1.Args[1]
  4997  		if ptr != v_1.Args[0] {
  4998  			break
  4999  		}
  5000  		v.reset(OpARM64FMOVSgpfp)
  5001  		v.AddArg(val)
  5002  		return true
  5003  	}
  5004  	// match: (FMOVSload [off1] {sym} (ADDconst [off2] ptr) mem)
  5005  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  5006  	// result: (FMOVSload [off1+int32(off2)] {sym} ptr mem)
  5007  	for {
  5008  		off1 := auxIntToInt32(v.AuxInt)
  5009  		sym := auxToSym(v.Aux)
  5010  		if v_0.Op != OpARM64ADDconst {
  5011  			break
  5012  		}
  5013  		off2 := auxIntToInt64(v_0.AuxInt)
  5014  		ptr := v_0.Args[0]
  5015  		mem := v_1
  5016  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  5017  			break
  5018  		}
  5019  		v.reset(OpARM64FMOVSload)
  5020  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  5021  		v.Aux = symToAux(sym)
  5022  		v.AddArg2(ptr, mem)
  5023  		return true
  5024  	}
  5025  	// match: (FMOVSload [off] {sym} (ADD ptr idx) mem)
  5026  	// cond: off == 0 && sym == nil
  5027  	// result: (FMOVSloadidx ptr idx mem)
  5028  	for {
  5029  		off := auxIntToInt32(v.AuxInt)
  5030  		sym := auxToSym(v.Aux)
  5031  		if v_0.Op != OpARM64ADD {
  5032  			break
  5033  		}
  5034  		idx := v_0.Args[1]
  5035  		ptr := v_0.Args[0]
  5036  		mem := v_1
  5037  		if !(off == 0 && sym == nil) {
  5038  			break
  5039  		}
  5040  		v.reset(OpARM64FMOVSloadidx)
  5041  		v.AddArg3(ptr, idx, mem)
  5042  		return true
  5043  	}
  5044  	// match: (FMOVSload [off] {sym} (ADDshiftLL [2] ptr idx) mem)
  5045  	// cond: off == 0 && sym == nil
  5046  	// result: (FMOVSloadidx4 ptr idx mem)
  5047  	for {
  5048  		off := auxIntToInt32(v.AuxInt)
  5049  		sym := auxToSym(v.Aux)
  5050  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
  5051  			break
  5052  		}
  5053  		idx := v_0.Args[1]
  5054  		ptr := v_0.Args[0]
  5055  		mem := v_1
  5056  		if !(off == 0 && sym == nil) {
  5057  			break
  5058  		}
  5059  		v.reset(OpARM64FMOVSloadidx4)
  5060  		v.AddArg3(ptr, idx, mem)
  5061  		return true
  5062  	}
  5063  	// match: (FMOVSload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  5064  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  5065  	// result: (FMOVSload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  5066  	for {
  5067  		off1 := auxIntToInt32(v.AuxInt)
  5068  		sym1 := auxToSym(v.Aux)
  5069  		if v_0.Op != OpARM64MOVDaddr {
  5070  			break
  5071  		}
  5072  		off2 := auxIntToInt32(v_0.AuxInt)
  5073  		sym2 := auxToSym(v_0.Aux)
  5074  		ptr := v_0.Args[0]
  5075  		mem := v_1
  5076  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  5077  			break
  5078  		}
  5079  		v.reset(OpARM64FMOVSload)
  5080  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5081  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5082  		v.AddArg2(ptr, mem)
  5083  		return true
  5084  	}
  5085  	return false
  5086  }
  5087  func rewriteValueARM64_OpARM64FMOVSloadidx(v *Value) bool {
  5088  	v_2 := v.Args[2]
  5089  	v_1 := v.Args[1]
  5090  	v_0 := v.Args[0]
  5091  	// match: (FMOVSloadidx ptr (MOVDconst [c]) mem)
  5092  	// cond: is32Bit(c)
  5093  	// result: (FMOVSload [int32(c)] ptr mem)
  5094  	for {
  5095  		ptr := v_0
  5096  		if v_1.Op != OpARM64MOVDconst {
  5097  			break
  5098  		}
  5099  		c := auxIntToInt64(v_1.AuxInt)
  5100  		mem := v_2
  5101  		if !(is32Bit(c)) {
  5102  			break
  5103  		}
  5104  		v.reset(OpARM64FMOVSload)
  5105  		v.AuxInt = int32ToAuxInt(int32(c))
  5106  		v.AddArg2(ptr, mem)
  5107  		return true
  5108  	}
  5109  	// match: (FMOVSloadidx (MOVDconst [c]) ptr mem)
  5110  	// cond: is32Bit(c)
  5111  	// result: (FMOVSload [int32(c)] ptr mem)
  5112  	for {
  5113  		if v_0.Op != OpARM64MOVDconst {
  5114  			break
  5115  		}
  5116  		c := auxIntToInt64(v_0.AuxInt)
  5117  		ptr := v_1
  5118  		mem := v_2
  5119  		if !(is32Bit(c)) {
  5120  			break
  5121  		}
  5122  		v.reset(OpARM64FMOVSload)
  5123  		v.AuxInt = int32ToAuxInt(int32(c))
  5124  		v.AddArg2(ptr, mem)
  5125  		return true
  5126  	}
  5127  	// match: (FMOVSloadidx ptr (SLLconst [2] idx) mem)
  5128  	// result: (FMOVSloadidx4 ptr idx mem)
  5129  	for {
  5130  		ptr := v_0
  5131  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
  5132  			break
  5133  		}
  5134  		idx := v_1.Args[0]
  5135  		mem := v_2
  5136  		v.reset(OpARM64FMOVSloadidx4)
  5137  		v.AddArg3(ptr, idx, mem)
  5138  		return true
  5139  	}
  5140  	// match: (FMOVSloadidx (SLLconst [2] idx) ptr mem)
  5141  	// result: (FMOVSloadidx4 ptr idx mem)
  5142  	for {
  5143  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
  5144  			break
  5145  		}
  5146  		idx := v_0.Args[0]
  5147  		ptr := v_1
  5148  		mem := v_2
  5149  		v.reset(OpARM64FMOVSloadidx4)
  5150  		v.AddArg3(ptr, idx, mem)
  5151  		return true
  5152  	}
  5153  	return false
  5154  }
  5155  func rewriteValueARM64_OpARM64FMOVSloadidx4(v *Value) bool {
  5156  	v_2 := v.Args[2]
  5157  	v_1 := v.Args[1]
  5158  	v_0 := v.Args[0]
  5159  	// match: (FMOVSloadidx4 ptr (MOVDconst [c]) mem)
  5160  	// cond: is32Bit(c<<2)
  5161  	// result: (FMOVSload ptr [int32(c)<<2] mem)
  5162  	for {
  5163  		ptr := v_0
  5164  		if v_1.Op != OpARM64MOVDconst {
  5165  			break
  5166  		}
  5167  		c := auxIntToInt64(v_1.AuxInt)
  5168  		mem := v_2
  5169  		if !(is32Bit(c << 2)) {
  5170  			break
  5171  		}
  5172  		v.reset(OpARM64FMOVSload)
  5173  		v.AuxInt = int32ToAuxInt(int32(c) << 2)
  5174  		v.AddArg2(ptr, mem)
  5175  		return true
  5176  	}
  5177  	return false
  5178  }
  5179  func rewriteValueARM64_OpARM64FMOVSstore(v *Value) bool {
  5180  	v_2 := v.Args[2]
  5181  	v_1 := v.Args[1]
  5182  	v_0 := v.Args[0]
  5183  	b := v.Block
  5184  	config := b.Func.Config
  5185  	// match: (FMOVSstore [off] {sym} ptr (FMOVSgpfp val) mem)
  5186  	// result: (MOVWstore [off] {sym} ptr val mem)
  5187  	for {
  5188  		off := auxIntToInt32(v.AuxInt)
  5189  		sym := auxToSym(v.Aux)
  5190  		ptr := v_0
  5191  		if v_1.Op != OpARM64FMOVSgpfp {
  5192  			break
  5193  		}
  5194  		val := v_1.Args[0]
  5195  		mem := v_2
  5196  		v.reset(OpARM64MOVWstore)
  5197  		v.AuxInt = int32ToAuxInt(off)
  5198  		v.Aux = symToAux(sym)
  5199  		v.AddArg3(ptr, val, mem)
  5200  		return true
  5201  	}
  5202  	// match: (FMOVSstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  5203  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  5204  	// result: (FMOVSstore [off1+int32(off2)] {sym} ptr val mem)
  5205  	for {
  5206  		off1 := auxIntToInt32(v.AuxInt)
  5207  		sym := auxToSym(v.Aux)
  5208  		if v_0.Op != OpARM64ADDconst {
  5209  			break
  5210  		}
  5211  		off2 := auxIntToInt64(v_0.AuxInt)
  5212  		ptr := v_0.Args[0]
  5213  		val := v_1
  5214  		mem := v_2
  5215  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  5216  			break
  5217  		}
  5218  		v.reset(OpARM64FMOVSstore)
  5219  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  5220  		v.Aux = symToAux(sym)
  5221  		v.AddArg3(ptr, val, mem)
  5222  		return true
  5223  	}
  5224  	// match: (FMOVSstore [off] {sym} (ADD ptr idx) val mem)
  5225  	// cond: off == 0 && sym == nil
  5226  	// result: (FMOVSstoreidx ptr idx val mem)
  5227  	for {
  5228  		off := auxIntToInt32(v.AuxInt)
  5229  		sym := auxToSym(v.Aux)
  5230  		if v_0.Op != OpARM64ADD {
  5231  			break
  5232  		}
  5233  		idx := v_0.Args[1]
  5234  		ptr := v_0.Args[0]
  5235  		val := v_1
  5236  		mem := v_2
  5237  		if !(off == 0 && sym == nil) {
  5238  			break
  5239  		}
  5240  		v.reset(OpARM64FMOVSstoreidx)
  5241  		v.AddArg4(ptr, idx, val, mem)
  5242  		return true
  5243  	}
  5244  	// match: (FMOVSstore [off] {sym} (ADDshiftLL [2] ptr idx) val mem)
  5245  	// cond: off == 0 && sym == nil
  5246  	// result: (FMOVSstoreidx4 ptr idx val mem)
  5247  	for {
  5248  		off := auxIntToInt32(v.AuxInt)
  5249  		sym := auxToSym(v.Aux)
  5250  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
  5251  			break
  5252  		}
  5253  		idx := v_0.Args[1]
  5254  		ptr := v_0.Args[0]
  5255  		val := v_1
  5256  		mem := v_2
  5257  		if !(off == 0 && sym == nil) {
  5258  			break
  5259  		}
  5260  		v.reset(OpARM64FMOVSstoreidx4)
  5261  		v.AddArg4(ptr, idx, val, mem)
  5262  		return true
  5263  	}
  5264  	// match: (FMOVSstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
  5265  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  5266  	// result: (FMOVSstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
  5267  	for {
  5268  		off1 := auxIntToInt32(v.AuxInt)
  5269  		sym1 := auxToSym(v.Aux)
  5270  		if v_0.Op != OpARM64MOVDaddr {
  5271  			break
  5272  		}
  5273  		off2 := auxIntToInt32(v_0.AuxInt)
  5274  		sym2 := auxToSym(v_0.Aux)
  5275  		ptr := v_0.Args[0]
  5276  		val := v_1
  5277  		mem := v_2
  5278  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  5279  			break
  5280  		}
  5281  		v.reset(OpARM64FMOVSstore)
  5282  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5283  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5284  		v.AddArg3(ptr, val, mem)
  5285  		return true
  5286  	}
  5287  	return false
  5288  }
  5289  func rewriteValueARM64_OpARM64FMOVSstoreidx(v *Value) bool {
  5290  	v_3 := v.Args[3]
  5291  	v_2 := v.Args[2]
  5292  	v_1 := v.Args[1]
  5293  	v_0 := v.Args[0]
  5294  	// match: (FMOVSstoreidx ptr (MOVDconst [c]) val mem)
  5295  	// cond: is32Bit(c)
  5296  	// result: (FMOVSstore [int32(c)] ptr val mem)
  5297  	for {
  5298  		ptr := v_0
  5299  		if v_1.Op != OpARM64MOVDconst {
  5300  			break
  5301  		}
  5302  		c := auxIntToInt64(v_1.AuxInt)
  5303  		val := v_2
  5304  		mem := v_3
  5305  		if !(is32Bit(c)) {
  5306  			break
  5307  		}
  5308  		v.reset(OpARM64FMOVSstore)
  5309  		v.AuxInt = int32ToAuxInt(int32(c))
  5310  		v.AddArg3(ptr, val, mem)
  5311  		return true
  5312  	}
  5313  	// match: (FMOVSstoreidx (MOVDconst [c]) idx val mem)
  5314  	// cond: is32Bit(c)
  5315  	// result: (FMOVSstore [int32(c)] idx val mem)
  5316  	for {
  5317  		if v_0.Op != OpARM64MOVDconst {
  5318  			break
  5319  		}
  5320  		c := auxIntToInt64(v_0.AuxInt)
  5321  		idx := v_1
  5322  		val := v_2
  5323  		mem := v_3
  5324  		if !(is32Bit(c)) {
  5325  			break
  5326  		}
  5327  		v.reset(OpARM64FMOVSstore)
  5328  		v.AuxInt = int32ToAuxInt(int32(c))
  5329  		v.AddArg3(idx, val, mem)
  5330  		return true
  5331  	}
  5332  	// match: (FMOVSstoreidx ptr (SLLconst [2] idx) val mem)
  5333  	// result: (FMOVSstoreidx4 ptr idx val mem)
  5334  	for {
  5335  		ptr := v_0
  5336  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
  5337  			break
  5338  		}
  5339  		idx := v_1.Args[0]
  5340  		val := v_2
  5341  		mem := v_3
  5342  		v.reset(OpARM64FMOVSstoreidx4)
  5343  		v.AddArg4(ptr, idx, val, mem)
  5344  		return true
  5345  	}
  5346  	// match: (FMOVSstoreidx (SLLconst [2] idx) ptr val mem)
  5347  	// result: (FMOVSstoreidx4 ptr idx val mem)
  5348  	for {
  5349  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
  5350  			break
  5351  		}
  5352  		idx := v_0.Args[0]
  5353  		ptr := v_1
  5354  		val := v_2
  5355  		mem := v_3
  5356  		v.reset(OpARM64FMOVSstoreidx4)
  5357  		v.AddArg4(ptr, idx, val, mem)
  5358  		return true
  5359  	}
  5360  	return false
  5361  }
  5362  func rewriteValueARM64_OpARM64FMOVSstoreidx4(v *Value) bool {
  5363  	v_3 := v.Args[3]
  5364  	v_2 := v.Args[2]
  5365  	v_1 := v.Args[1]
  5366  	v_0 := v.Args[0]
  5367  	// match: (FMOVSstoreidx4 ptr (MOVDconst [c]) val mem)
  5368  	// cond: is32Bit(c<<2)
  5369  	// result: (FMOVSstore [int32(c)<<2] ptr val mem)
  5370  	for {
  5371  		ptr := v_0
  5372  		if v_1.Op != OpARM64MOVDconst {
  5373  			break
  5374  		}
  5375  		c := auxIntToInt64(v_1.AuxInt)
  5376  		val := v_2
  5377  		mem := v_3
  5378  		if !(is32Bit(c << 2)) {
  5379  			break
  5380  		}
  5381  		v.reset(OpARM64FMOVSstore)
  5382  		v.AuxInt = int32ToAuxInt(int32(c) << 2)
  5383  		v.AddArg3(ptr, val, mem)
  5384  		return true
  5385  	}
  5386  	return false
  5387  }
  5388  func rewriteValueARM64_OpARM64FMULD(v *Value) bool {
  5389  	v_1 := v.Args[1]
  5390  	v_0 := v.Args[0]
  5391  	// match: (FMULD (FNEGD x) y)
  5392  	// result: (FNMULD x y)
  5393  	for {
  5394  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5395  			if v_0.Op != OpARM64FNEGD {
  5396  				continue
  5397  			}
  5398  			x := v_0.Args[0]
  5399  			y := v_1
  5400  			v.reset(OpARM64FNMULD)
  5401  			v.AddArg2(x, y)
  5402  			return true
  5403  		}
  5404  		break
  5405  	}
  5406  	return false
  5407  }
  5408  func rewriteValueARM64_OpARM64FMULS(v *Value) bool {
  5409  	v_1 := v.Args[1]
  5410  	v_0 := v.Args[0]
  5411  	// match: (FMULS (FNEGS x) y)
  5412  	// result: (FNMULS x y)
  5413  	for {
  5414  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5415  			if v_0.Op != OpARM64FNEGS {
  5416  				continue
  5417  			}
  5418  			x := v_0.Args[0]
  5419  			y := v_1
  5420  			v.reset(OpARM64FNMULS)
  5421  			v.AddArg2(x, y)
  5422  			return true
  5423  		}
  5424  		break
  5425  	}
  5426  	return false
  5427  }
  5428  func rewriteValueARM64_OpARM64FNEGD(v *Value) bool {
  5429  	v_0 := v.Args[0]
  5430  	// match: (FNEGD (FMULD x y))
  5431  	// result: (FNMULD x y)
  5432  	for {
  5433  		if v_0.Op != OpARM64FMULD {
  5434  			break
  5435  		}
  5436  		y := v_0.Args[1]
  5437  		x := v_0.Args[0]
  5438  		v.reset(OpARM64FNMULD)
  5439  		v.AddArg2(x, y)
  5440  		return true
  5441  	}
  5442  	// match: (FNEGD (FNMULD x y))
  5443  	// result: (FMULD x y)
  5444  	for {
  5445  		if v_0.Op != OpARM64FNMULD {
  5446  			break
  5447  		}
  5448  		y := v_0.Args[1]
  5449  		x := v_0.Args[0]
  5450  		v.reset(OpARM64FMULD)
  5451  		v.AddArg2(x, y)
  5452  		return true
  5453  	}
  5454  	return false
  5455  }
  5456  func rewriteValueARM64_OpARM64FNEGS(v *Value) bool {
  5457  	v_0 := v.Args[0]
  5458  	// match: (FNEGS (FMULS x y))
  5459  	// result: (FNMULS x y)
  5460  	for {
  5461  		if v_0.Op != OpARM64FMULS {
  5462  			break
  5463  		}
  5464  		y := v_0.Args[1]
  5465  		x := v_0.Args[0]
  5466  		v.reset(OpARM64FNMULS)
  5467  		v.AddArg2(x, y)
  5468  		return true
  5469  	}
  5470  	// match: (FNEGS (FNMULS x y))
  5471  	// result: (FMULS x y)
  5472  	for {
  5473  		if v_0.Op != OpARM64FNMULS {
  5474  			break
  5475  		}
  5476  		y := v_0.Args[1]
  5477  		x := v_0.Args[0]
  5478  		v.reset(OpARM64FMULS)
  5479  		v.AddArg2(x, y)
  5480  		return true
  5481  	}
  5482  	return false
  5483  }
  5484  func rewriteValueARM64_OpARM64FNMULD(v *Value) bool {
  5485  	v_1 := v.Args[1]
  5486  	v_0 := v.Args[0]
  5487  	// match: (FNMULD (FNEGD x) y)
  5488  	// result: (FMULD x y)
  5489  	for {
  5490  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5491  			if v_0.Op != OpARM64FNEGD {
  5492  				continue
  5493  			}
  5494  			x := v_0.Args[0]
  5495  			y := v_1
  5496  			v.reset(OpARM64FMULD)
  5497  			v.AddArg2(x, y)
  5498  			return true
  5499  		}
  5500  		break
  5501  	}
  5502  	return false
  5503  }
  5504  func rewriteValueARM64_OpARM64FNMULS(v *Value) bool {
  5505  	v_1 := v.Args[1]
  5506  	v_0 := v.Args[0]
  5507  	// match: (FNMULS (FNEGS x) y)
  5508  	// result: (FMULS x y)
  5509  	for {
  5510  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5511  			if v_0.Op != OpARM64FNEGS {
  5512  				continue
  5513  			}
  5514  			x := v_0.Args[0]
  5515  			y := v_1
  5516  			v.reset(OpARM64FMULS)
  5517  			v.AddArg2(x, y)
  5518  			return true
  5519  		}
  5520  		break
  5521  	}
  5522  	return false
  5523  }
  5524  func rewriteValueARM64_OpARM64FSUBD(v *Value) bool {
  5525  	v_1 := v.Args[1]
  5526  	v_0 := v.Args[0]
  5527  	// match: (FSUBD a (FMULD x y))
  5528  	// cond: a.Block.Func.useFMA(v)
  5529  	// result: (FMSUBD a x y)
  5530  	for {
  5531  		a := v_0
  5532  		if v_1.Op != OpARM64FMULD {
  5533  			break
  5534  		}
  5535  		y := v_1.Args[1]
  5536  		x := v_1.Args[0]
  5537  		if !(a.Block.Func.useFMA(v)) {
  5538  			break
  5539  		}
  5540  		v.reset(OpARM64FMSUBD)
  5541  		v.AddArg3(a, x, y)
  5542  		return true
  5543  	}
  5544  	// match: (FSUBD (FMULD x y) a)
  5545  	// cond: a.Block.Func.useFMA(v)
  5546  	// result: (FNMSUBD a x y)
  5547  	for {
  5548  		if v_0.Op != OpARM64FMULD {
  5549  			break
  5550  		}
  5551  		y := v_0.Args[1]
  5552  		x := v_0.Args[0]
  5553  		a := v_1
  5554  		if !(a.Block.Func.useFMA(v)) {
  5555  			break
  5556  		}
  5557  		v.reset(OpARM64FNMSUBD)
  5558  		v.AddArg3(a, x, y)
  5559  		return true
  5560  	}
  5561  	// match: (FSUBD a (FNMULD x y))
  5562  	// cond: a.Block.Func.useFMA(v)
  5563  	// result: (FMADDD a x y)
  5564  	for {
  5565  		a := v_0
  5566  		if v_1.Op != OpARM64FNMULD {
  5567  			break
  5568  		}
  5569  		y := v_1.Args[1]
  5570  		x := v_1.Args[0]
  5571  		if !(a.Block.Func.useFMA(v)) {
  5572  			break
  5573  		}
  5574  		v.reset(OpARM64FMADDD)
  5575  		v.AddArg3(a, x, y)
  5576  		return true
  5577  	}
  5578  	// match: (FSUBD (FNMULD x y) a)
  5579  	// cond: a.Block.Func.useFMA(v)
  5580  	// result: (FNMADDD a x y)
  5581  	for {
  5582  		if v_0.Op != OpARM64FNMULD {
  5583  			break
  5584  		}
  5585  		y := v_0.Args[1]
  5586  		x := v_0.Args[0]
  5587  		a := v_1
  5588  		if !(a.Block.Func.useFMA(v)) {
  5589  			break
  5590  		}
  5591  		v.reset(OpARM64FNMADDD)
  5592  		v.AddArg3(a, x, y)
  5593  		return true
  5594  	}
  5595  	return false
  5596  }
  5597  func rewriteValueARM64_OpARM64FSUBS(v *Value) bool {
  5598  	v_1 := v.Args[1]
  5599  	v_0 := v.Args[0]
  5600  	// match: (FSUBS a (FMULS x y))
  5601  	// cond: a.Block.Func.useFMA(v)
  5602  	// result: (FMSUBS a x y)
  5603  	for {
  5604  		a := v_0
  5605  		if v_1.Op != OpARM64FMULS {
  5606  			break
  5607  		}
  5608  		y := v_1.Args[1]
  5609  		x := v_1.Args[0]
  5610  		if !(a.Block.Func.useFMA(v)) {
  5611  			break
  5612  		}
  5613  		v.reset(OpARM64FMSUBS)
  5614  		v.AddArg3(a, x, y)
  5615  		return true
  5616  	}
  5617  	// match: (FSUBS (FMULS x y) a)
  5618  	// cond: a.Block.Func.useFMA(v)
  5619  	// result: (FNMSUBS a x y)
  5620  	for {
  5621  		if v_0.Op != OpARM64FMULS {
  5622  			break
  5623  		}
  5624  		y := v_0.Args[1]
  5625  		x := v_0.Args[0]
  5626  		a := v_1
  5627  		if !(a.Block.Func.useFMA(v)) {
  5628  			break
  5629  		}
  5630  		v.reset(OpARM64FNMSUBS)
  5631  		v.AddArg3(a, x, y)
  5632  		return true
  5633  	}
  5634  	// match: (FSUBS a (FNMULS x y))
  5635  	// cond: a.Block.Func.useFMA(v)
  5636  	// result: (FMADDS a x y)
  5637  	for {
  5638  		a := v_0
  5639  		if v_1.Op != OpARM64FNMULS {
  5640  			break
  5641  		}
  5642  		y := v_1.Args[1]
  5643  		x := v_1.Args[0]
  5644  		if !(a.Block.Func.useFMA(v)) {
  5645  			break
  5646  		}
  5647  		v.reset(OpARM64FMADDS)
  5648  		v.AddArg3(a, x, y)
  5649  		return true
  5650  	}
  5651  	// match: (FSUBS (FNMULS x y) a)
  5652  	// cond: a.Block.Func.useFMA(v)
  5653  	// result: (FNMADDS a x y)
  5654  	for {
  5655  		if v_0.Op != OpARM64FNMULS {
  5656  			break
  5657  		}
  5658  		y := v_0.Args[1]
  5659  		x := v_0.Args[0]
  5660  		a := v_1
  5661  		if !(a.Block.Func.useFMA(v)) {
  5662  			break
  5663  		}
  5664  		v.reset(OpARM64FNMADDS)
  5665  		v.AddArg3(a, x, y)
  5666  		return true
  5667  	}
  5668  	return false
  5669  }
  5670  func rewriteValueARM64_OpARM64GreaterEqual(v *Value) bool {
  5671  	v_0 := v.Args[0]
  5672  	b := v.Block
  5673  	// match: (GreaterEqual (CMPconst [0] z:(AND x y)))
  5674  	// cond: z.Uses == 1
  5675  	// result: (GreaterEqual (TST x y))
  5676  	for {
  5677  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5678  			break
  5679  		}
  5680  		z := v_0.Args[0]
  5681  		if z.Op != OpARM64AND {
  5682  			break
  5683  		}
  5684  		y := z.Args[1]
  5685  		x := z.Args[0]
  5686  		if !(z.Uses == 1) {
  5687  			break
  5688  		}
  5689  		v.reset(OpARM64GreaterEqual)
  5690  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
  5691  		v0.AddArg2(x, y)
  5692  		v.AddArg(v0)
  5693  		return true
  5694  	}
  5695  	// match: (GreaterEqual (CMPWconst [0] x:(ANDconst [c] y)))
  5696  	// cond: x.Uses == 1
  5697  	// result: (GreaterEqual (TSTWconst [int32(c)] y))
  5698  	for {
  5699  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5700  			break
  5701  		}
  5702  		x := v_0.Args[0]
  5703  		if x.Op != OpARM64ANDconst {
  5704  			break
  5705  		}
  5706  		c := auxIntToInt64(x.AuxInt)
  5707  		y := x.Args[0]
  5708  		if !(x.Uses == 1) {
  5709  			break
  5710  		}
  5711  		v.reset(OpARM64GreaterEqual)
  5712  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
  5713  		v0.AuxInt = int32ToAuxInt(int32(c))
  5714  		v0.AddArg(y)
  5715  		v.AddArg(v0)
  5716  		return true
  5717  	}
  5718  	// match: (GreaterEqual (CMPWconst [0] z:(AND x y)))
  5719  	// cond: z.Uses == 1
  5720  	// result: (GreaterEqual (TSTW x y))
  5721  	for {
  5722  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5723  			break
  5724  		}
  5725  		z := v_0.Args[0]
  5726  		if z.Op != OpARM64AND {
  5727  			break
  5728  		}
  5729  		y := z.Args[1]
  5730  		x := z.Args[0]
  5731  		if !(z.Uses == 1) {
  5732  			break
  5733  		}
  5734  		v.reset(OpARM64GreaterEqual)
  5735  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
  5736  		v0.AddArg2(x, y)
  5737  		v.AddArg(v0)
  5738  		return true
  5739  	}
  5740  	// match: (GreaterEqual (CMPconst [0] x:(ANDconst [c] y)))
  5741  	// cond: x.Uses == 1
  5742  	// result: (GreaterEqual (TSTconst [c] y))
  5743  	for {
  5744  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5745  			break
  5746  		}
  5747  		x := v_0.Args[0]
  5748  		if x.Op != OpARM64ANDconst {
  5749  			break
  5750  		}
  5751  		c := auxIntToInt64(x.AuxInt)
  5752  		y := x.Args[0]
  5753  		if !(x.Uses == 1) {
  5754  			break
  5755  		}
  5756  		v.reset(OpARM64GreaterEqual)
  5757  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
  5758  		v0.AuxInt = int64ToAuxInt(c)
  5759  		v0.AddArg(y)
  5760  		v.AddArg(v0)
  5761  		return true
  5762  	}
  5763  	// match: (GreaterEqual (CMPconst [0] x:(ADDconst [c] y)))
  5764  	// cond: x.Uses == 1
  5765  	// result: (GreaterEqualNoov (CMNconst [c] y))
  5766  	for {
  5767  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5768  			break
  5769  		}
  5770  		x := v_0.Args[0]
  5771  		if x.Op != OpARM64ADDconst {
  5772  			break
  5773  		}
  5774  		c := auxIntToInt64(x.AuxInt)
  5775  		y := x.Args[0]
  5776  		if !(x.Uses == 1) {
  5777  			break
  5778  		}
  5779  		v.reset(OpARM64GreaterEqualNoov)
  5780  		v0 := b.NewValue0(v.Pos, OpARM64CMNconst, types.TypeFlags)
  5781  		v0.AuxInt = int64ToAuxInt(c)
  5782  		v0.AddArg(y)
  5783  		v.AddArg(v0)
  5784  		return true
  5785  	}
  5786  	// match: (GreaterEqual (CMPWconst [0] x:(ADDconst [c] y)))
  5787  	// cond: x.Uses == 1
  5788  	// result: (GreaterEqualNoov (CMNWconst [int32(c)] y))
  5789  	for {
  5790  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5791  			break
  5792  		}
  5793  		x := v_0.Args[0]
  5794  		if x.Op != OpARM64ADDconst {
  5795  			break
  5796  		}
  5797  		c := auxIntToInt64(x.AuxInt)
  5798  		y := x.Args[0]
  5799  		if !(x.Uses == 1) {
  5800  			break
  5801  		}
  5802  		v.reset(OpARM64GreaterEqualNoov)
  5803  		v0 := b.NewValue0(v.Pos, OpARM64CMNWconst, types.TypeFlags)
  5804  		v0.AuxInt = int32ToAuxInt(int32(c))
  5805  		v0.AddArg(y)
  5806  		v.AddArg(v0)
  5807  		return true
  5808  	}
  5809  	// match: (GreaterEqual (CMPconst [0] z:(ADD x y)))
  5810  	// cond: z.Uses == 1
  5811  	// result: (GreaterEqualNoov (CMN x y))
  5812  	for {
  5813  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5814  			break
  5815  		}
  5816  		z := v_0.Args[0]
  5817  		if z.Op != OpARM64ADD {
  5818  			break
  5819  		}
  5820  		y := z.Args[1]
  5821  		x := z.Args[0]
  5822  		if !(z.Uses == 1) {
  5823  			break
  5824  		}
  5825  		v.reset(OpARM64GreaterEqualNoov)
  5826  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  5827  		v0.AddArg2(x, y)
  5828  		v.AddArg(v0)
  5829  		return true
  5830  	}
  5831  	// match: (GreaterEqual (CMPWconst [0] z:(ADD x y)))
  5832  	// cond: z.Uses == 1
  5833  	// result: (GreaterEqualNoov (CMNW x y))
  5834  	for {
  5835  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5836  			break
  5837  		}
  5838  		z := v_0.Args[0]
  5839  		if z.Op != OpARM64ADD {
  5840  			break
  5841  		}
  5842  		y := z.Args[1]
  5843  		x := z.Args[0]
  5844  		if !(z.Uses == 1) {
  5845  			break
  5846  		}
  5847  		v.reset(OpARM64GreaterEqualNoov)
  5848  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  5849  		v0.AddArg2(x, y)
  5850  		v.AddArg(v0)
  5851  		return true
  5852  	}
  5853  	// match: (GreaterEqual (CMPconst [0] z:(MADD a x y)))
  5854  	// cond: z.Uses == 1
  5855  	// result: (GreaterEqualNoov (CMN a (MUL <x.Type> x y)))
  5856  	for {
  5857  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5858  			break
  5859  		}
  5860  		z := v_0.Args[0]
  5861  		if z.Op != OpARM64MADD {
  5862  			break
  5863  		}
  5864  		y := z.Args[2]
  5865  		a := z.Args[0]
  5866  		x := z.Args[1]
  5867  		if !(z.Uses == 1) {
  5868  			break
  5869  		}
  5870  		v.reset(OpARM64GreaterEqualNoov)
  5871  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  5872  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  5873  		v1.AddArg2(x, y)
  5874  		v0.AddArg2(a, v1)
  5875  		v.AddArg(v0)
  5876  		return true
  5877  	}
  5878  	// match: (GreaterEqual (CMPconst [0] z:(MSUB a x y)))
  5879  	// cond: z.Uses == 1
  5880  	// result: (GreaterEqualNoov (CMP a (MUL <x.Type> x y)))
  5881  	for {
  5882  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5883  			break
  5884  		}
  5885  		z := v_0.Args[0]
  5886  		if z.Op != OpARM64MSUB {
  5887  			break
  5888  		}
  5889  		y := z.Args[2]
  5890  		a := z.Args[0]
  5891  		x := z.Args[1]
  5892  		if !(z.Uses == 1) {
  5893  			break
  5894  		}
  5895  		v.reset(OpARM64GreaterEqualNoov)
  5896  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
  5897  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  5898  		v1.AddArg2(x, y)
  5899  		v0.AddArg2(a, v1)
  5900  		v.AddArg(v0)
  5901  		return true
  5902  	}
  5903  	// match: (GreaterEqual (CMPWconst [0] z:(MADDW a x y)))
  5904  	// cond: z.Uses == 1
  5905  	// result: (GreaterEqualNoov (CMNW a (MULW <x.Type> x y)))
  5906  	for {
  5907  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5908  			break
  5909  		}
  5910  		z := v_0.Args[0]
  5911  		if z.Op != OpARM64MADDW {
  5912  			break
  5913  		}
  5914  		y := z.Args[2]
  5915  		a := z.Args[0]
  5916  		x := z.Args[1]
  5917  		if !(z.Uses == 1) {
  5918  			break
  5919  		}
  5920  		v.reset(OpARM64GreaterEqualNoov)
  5921  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  5922  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  5923  		v1.AddArg2(x, y)
  5924  		v0.AddArg2(a, v1)
  5925  		v.AddArg(v0)
  5926  		return true
  5927  	}
  5928  	// match: (GreaterEqual (CMPWconst [0] z:(MSUBW a x y)))
  5929  	// cond: z.Uses == 1
  5930  	// result: (GreaterEqualNoov (CMPW a (MULW <x.Type> x y)))
  5931  	for {
  5932  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5933  			break
  5934  		}
  5935  		z := v_0.Args[0]
  5936  		if z.Op != OpARM64MSUBW {
  5937  			break
  5938  		}
  5939  		y := z.Args[2]
  5940  		a := z.Args[0]
  5941  		x := z.Args[1]
  5942  		if !(z.Uses == 1) {
  5943  			break
  5944  		}
  5945  		v.reset(OpARM64GreaterEqualNoov)
  5946  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
  5947  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  5948  		v1.AddArg2(x, y)
  5949  		v0.AddArg2(a, v1)
  5950  		v.AddArg(v0)
  5951  		return true
  5952  	}
  5953  	// match: (GreaterEqual (FlagConstant [fc]))
  5954  	// result: (MOVDconst [b2i(fc.ge())])
  5955  	for {
  5956  		if v_0.Op != OpARM64FlagConstant {
  5957  			break
  5958  		}
  5959  		fc := auxIntToFlagConstant(v_0.AuxInt)
  5960  		v.reset(OpARM64MOVDconst)
  5961  		v.AuxInt = int64ToAuxInt(b2i(fc.ge()))
  5962  		return true
  5963  	}
  5964  	// match: (GreaterEqual (InvertFlags x))
  5965  	// result: (LessEqual x)
  5966  	for {
  5967  		if v_0.Op != OpARM64InvertFlags {
  5968  			break
  5969  		}
  5970  		x := v_0.Args[0]
  5971  		v.reset(OpARM64LessEqual)
  5972  		v.AddArg(x)
  5973  		return true
  5974  	}
  5975  	return false
  5976  }
  5977  func rewriteValueARM64_OpARM64GreaterEqualF(v *Value) bool {
  5978  	v_0 := v.Args[0]
  5979  	// match: (GreaterEqualF (InvertFlags x))
  5980  	// result: (LessEqualF x)
  5981  	for {
  5982  		if v_0.Op != OpARM64InvertFlags {
  5983  			break
  5984  		}
  5985  		x := v_0.Args[0]
  5986  		v.reset(OpARM64LessEqualF)
  5987  		v.AddArg(x)
  5988  		return true
  5989  	}
  5990  	return false
  5991  }
  5992  func rewriteValueARM64_OpARM64GreaterEqualNoov(v *Value) bool {
  5993  	v_0 := v.Args[0]
  5994  	b := v.Block
  5995  	typ := &b.Func.Config.Types
  5996  	// match: (GreaterEqualNoov (InvertFlags x))
  5997  	// result: (CSINC [OpARM64NotEqual] (LessThanNoov <typ.Bool> x) (MOVDconst [0]) x)
  5998  	for {
  5999  		if v_0.Op != OpARM64InvertFlags {
  6000  			break
  6001  		}
  6002  		x := v_0.Args[0]
  6003  		v.reset(OpARM64CSINC)
  6004  		v.AuxInt = opToAuxInt(OpARM64NotEqual)
  6005  		v0 := b.NewValue0(v.Pos, OpARM64LessThanNoov, typ.Bool)
  6006  		v0.AddArg(x)
  6007  		v1 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
  6008  		v1.AuxInt = int64ToAuxInt(0)
  6009  		v.AddArg3(v0, v1, x)
  6010  		return true
  6011  	}
  6012  	return false
  6013  }
  6014  func rewriteValueARM64_OpARM64GreaterEqualU(v *Value) bool {
  6015  	v_0 := v.Args[0]
  6016  	// match: (GreaterEqualU (FlagConstant [fc]))
  6017  	// result: (MOVDconst [b2i(fc.uge())])
  6018  	for {
  6019  		if v_0.Op != OpARM64FlagConstant {
  6020  			break
  6021  		}
  6022  		fc := auxIntToFlagConstant(v_0.AuxInt)
  6023  		v.reset(OpARM64MOVDconst)
  6024  		v.AuxInt = int64ToAuxInt(b2i(fc.uge()))
  6025  		return true
  6026  	}
  6027  	// match: (GreaterEqualU (InvertFlags x))
  6028  	// result: (LessEqualU x)
  6029  	for {
  6030  		if v_0.Op != OpARM64InvertFlags {
  6031  			break
  6032  		}
  6033  		x := v_0.Args[0]
  6034  		v.reset(OpARM64LessEqualU)
  6035  		v.AddArg(x)
  6036  		return true
  6037  	}
  6038  	return false
  6039  }
  6040  func rewriteValueARM64_OpARM64GreaterThan(v *Value) bool {
  6041  	v_0 := v.Args[0]
  6042  	b := v.Block
  6043  	// match: (GreaterThan (CMPconst [0] z:(AND x y)))
  6044  	// cond: z.Uses == 1
  6045  	// result: (GreaterThan (TST x y))
  6046  	for {
  6047  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6048  			break
  6049  		}
  6050  		z := v_0.Args[0]
  6051  		if z.Op != OpARM64AND {
  6052  			break
  6053  		}
  6054  		y := z.Args[1]
  6055  		x := z.Args[0]
  6056  		if !(z.Uses == 1) {
  6057  			break
  6058  		}
  6059  		v.reset(OpARM64GreaterThan)
  6060  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
  6061  		v0.AddArg2(x, y)
  6062  		v.AddArg(v0)
  6063  		return true
  6064  	}
  6065  	// match: (GreaterThan (CMPWconst [0] x:(ANDconst [c] y)))
  6066  	// cond: x.Uses == 1
  6067  	// result: (GreaterThan (TSTWconst [int32(c)] y))
  6068  	for {
  6069  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6070  			break
  6071  		}
  6072  		x := v_0.Args[0]
  6073  		if x.Op != OpARM64ANDconst {
  6074  			break
  6075  		}
  6076  		c := auxIntToInt64(x.AuxInt)
  6077  		y := x.Args[0]
  6078  		if !(x.Uses == 1) {
  6079  			break
  6080  		}
  6081  		v.reset(OpARM64GreaterThan)
  6082  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
  6083  		v0.AuxInt = int32ToAuxInt(int32(c))
  6084  		v0.AddArg(y)
  6085  		v.AddArg(v0)
  6086  		return true
  6087  	}
  6088  	// match: (GreaterThan (CMPWconst [0] z:(AND x y)))
  6089  	// cond: z.Uses == 1
  6090  	// result: (GreaterThan (TSTW x y))
  6091  	for {
  6092  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6093  			break
  6094  		}
  6095  		z := v_0.Args[0]
  6096  		if z.Op != OpARM64AND {
  6097  			break
  6098  		}
  6099  		y := z.Args[1]
  6100  		x := z.Args[0]
  6101  		if !(z.Uses == 1) {
  6102  			break
  6103  		}
  6104  		v.reset(OpARM64GreaterThan)
  6105  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
  6106  		v0.AddArg2(x, y)
  6107  		v.AddArg(v0)
  6108  		return true
  6109  	}
  6110  	// match: (GreaterThan (CMPconst [0] x:(ANDconst [c] y)))
  6111  	// cond: x.Uses == 1
  6112  	// result: (GreaterThan (TSTconst [c] y))
  6113  	for {
  6114  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6115  			break
  6116  		}
  6117  		x := v_0.Args[0]
  6118  		if x.Op != OpARM64ANDconst {
  6119  			break
  6120  		}
  6121  		c := auxIntToInt64(x.AuxInt)
  6122  		y := x.Args[0]
  6123  		if !(x.Uses == 1) {
  6124  			break
  6125  		}
  6126  		v.reset(OpARM64GreaterThan)
  6127  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
  6128  		v0.AuxInt = int64ToAuxInt(c)
  6129  		v0.AddArg(y)
  6130  		v.AddArg(v0)
  6131  		return true
  6132  	}
  6133  	// match: (GreaterThan (FlagConstant [fc]))
  6134  	// result: (MOVDconst [b2i(fc.gt())])
  6135  	for {
  6136  		if v_0.Op != OpARM64FlagConstant {
  6137  			break
  6138  		}
  6139  		fc := auxIntToFlagConstant(v_0.AuxInt)
  6140  		v.reset(OpARM64MOVDconst)
  6141  		v.AuxInt = int64ToAuxInt(b2i(fc.gt()))
  6142  		return true
  6143  	}
  6144  	// match: (GreaterThan (InvertFlags x))
  6145  	// result: (LessThan x)
  6146  	for {
  6147  		if v_0.Op != OpARM64InvertFlags {
  6148  			break
  6149  		}
  6150  		x := v_0.Args[0]
  6151  		v.reset(OpARM64LessThan)
  6152  		v.AddArg(x)
  6153  		return true
  6154  	}
  6155  	return false
  6156  }
  6157  func rewriteValueARM64_OpARM64GreaterThanF(v *Value) bool {
  6158  	v_0 := v.Args[0]
  6159  	// match: (GreaterThanF (InvertFlags x))
  6160  	// result: (LessThanF x)
  6161  	for {
  6162  		if v_0.Op != OpARM64InvertFlags {
  6163  			break
  6164  		}
  6165  		x := v_0.Args[0]
  6166  		v.reset(OpARM64LessThanF)
  6167  		v.AddArg(x)
  6168  		return true
  6169  	}
  6170  	return false
  6171  }
  6172  func rewriteValueARM64_OpARM64GreaterThanU(v *Value) bool {
  6173  	v_0 := v.Args[0]
  6174  	// match: (GreaterThanU (FlagConstant [fc]))
  6175  	// result: (MOVDconst [b2i(fc.ugt())])
  6176  	for {
  6177  		if v_0.Op != OpARM64FlagConstant {
  6178  			break
  6179  		}
  6180  		fc := auxIntToFlagConstant(v_0.AuxInt)
  6181  		v.reset(OpARM64MOVDconst)
  6182  		v.AuxInt = int64ToAuxInt(b2i(fc.ugt()))
  6183  		return true
  6184  	}
  6185  	// match: (GreaterThanU (InvertFlags x))
  6186  	// result: (LessThanU x)
  6187  	for {
  6188  		if v_0.Op != OpARM64InvertFlags {
  6189  			break
  6190  		}
  6191  		x := v_0.Args[0]
  6192  		v.reset(OpARM64LessThanU)
  6193  		v.AddArg(x)
  6194  		return true
  6195  	}
  6196  	return false
  6197  }
  6198  func rewriteValueARM64_OpARM64LDP(v *Value) bool {
  6199  	v_1 := v.Args[1]
  6200  	v_0 := v.Args[0]
  6201  	b := v.Block
  6202  	config := b.Func.Config
  6203  	// match: (LDP [off1] {sym} (ADDconst [off2] ptr) mem)
  6204  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6205  	// result: (LDP [off1+int32(off2)] {sym} ptr mem)
  6206  	for {
  6207  		off1 := auxIntToInt32(v.AuxInt)
  6208  		sym := auxToSym(v.Aux)
  6209  		if v_0.Op != OpARM64ADDconst {
  6210  			break
  6211  		}
  6212  		off2 := auxIntToInt64(v_0.AuxInt)
  6213  		ptr := v_0.Args[0]
  6214  		mem := v_1
  6215  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6216  			break
  6217  		}
  6218  		v.reset(OpARM64LDP)
  6219  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  6220  		v.Aux = symToAux(sym)
  6221  		v.AddArg2(ptr, mem)
  6222  		return true
  6223  	}
  6224  	// match: (LDP [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  6225  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6226  	// result: (LDP [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  6227  	for {
  6228  		off1 := auxIntToInt32(v.AuxInt)
  6229  		sym1 := auxToSym(v.Aux)
  6230  		if v_0.Op != OpARM64MOVDaddr {
  6231  			break
  6232  		}
  6233  		off2 := auxIntToInt32(v_0.AuxInt)
  6234  		sym2 := auxToSym(v_0.Aux)
  6235  		ptr := v_0.Args[0]
  6236  		mem := v_1
  6237  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6238  			break
  6239  		}
  6240  		v.reset(OpARM64LDP)
  6241  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6242  		v.Aux = symToAux(mergeSym(sym1, sym2))
  6243  		v.AddArg2(ptr, mem)
  6244  		return true
  6245  	}
  6246  	return false
  6247  }
  6248  func rewriteValueARM64_OpARM64LessEqual(v *Value) bool {
  6249  	v_0 := v.Args[0]
  6250  	b := v.Block
  6251  	// match: (LessEqual (CMPconst [0] z:(AND x y)))
  6252  	// cond: z.Uses == 1
  6253  	// result: (LessEqual (TST x y))
  6254  	for {
  6255  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6256  			break
  6257  		}
  6258  		z := v_0.Args[0]
  6259  		if z.Op != OpARM64AND {
  6260  			break
  6261  		}
  6262  		y := z.Args[1]
  6263  		x := z.Args[0]
  6264  		if !(z.Uses == 1) {
  6265  			break
  6266  		}
  6267  		v.reset(OpARM64LessEqual)
  6268  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
  6269  		v0.AddArg2(x, y)
  6270  		v.AddArg(v0)
  6271  		return true
  6272  	}
  6273  	// match: (LessEqual (CMPWconst [0] x:(ANDconst [c] y)))
  6274  	// cond: x.Uses == 1
  6275  	// result: (LessEqual (TSTWconst [int32(c)] y))
  6276  	for {
  6277  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6278  			break
  6279  		}
  6280  		x := v_0.Args[0]
  6281  		if x.Op != OpARM64ANDconst {
  6282  			break
  6283  		}
  6284  		c := auxIntToInt64(x.AuxInt)
  6285  		y := x.Args[0]
  6286  		if !(x.Uses == 1) {
  6287  			break
  6288  		}
  6289  		v.reset(OpARM64LessEqual)
  6290  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
  6291  		v0.AuxInt = int32ToAuxInt(int32(c))
  6292  		v0.AddArg(y)
  6293  		v.AddArg(v0)
  6294  		return true
  6295  	}
  6296  	// match: (LessEqual (CMPWconst [0] z:(AND x y)))
  6297  	// cond: z.Uses == 1
  6298  	// result: (LessEqual (TSTW x y))
  6299  	for {
  6300  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6301  			break
  6302  		}
  6303  		z := v_0.Args[0]
  6304  		if z.Op != OpARM64AND {
  6305  			break
  6306  		}
  6307  		y := z.Args[1]
  6308  		x := z.Args[0]
  6309  		if !(z.Uses == 1) {
  6310  			break
  6311  		}
  6312  		v.reset(OpARM64LessEqual)
  6313  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
  6314  		v0.AddArg2(x, y)
  6315  		v.AddArg(v0)
  6316  		return true
  6317  	}
  6318  	// match: (LessEqual (CMPconst [0] x:(ANDconst [c] y)))
  6319  	// cond: x.Uses == 1
  6320  	// result: (LessEqual (TSTconst [c] y))
  6321  	for {
  6322  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6323  			break
  6324  		}
  6325  		x := v_0.Args[0]
  6326  		if x.Op != OpARM64ANDconst {
  6327  			break
  6328  		}
  6329  		c := auxIntToInt64(x.AuxInt)
  6330  		y := x.Args[0]
  6331  		if !(x.Uses == 1) {
  6332  			break
  6333  		}
  6334  		v.reset(OpARM64LessEqual)
  6335  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
  6336  		v0.AuxInt = int64ToAuxInt(c)
  6337  		v0.AddArg(y)
  6338  		v.AddArg(v0)
  6339  		return true
  6340  	}
  6341  	// match: (LessEqual (FlagConstant [fc]))
  6342  	// result: (MOVDconst [b2i(fc.le())])
  6343  	for {
  6344  		if v_0.Op != OpARM64FlagConstant {
  6345  			break
  6346  		}
  6347  		fc := auxIntToFlagConstant(v_0.AuxInt)
  6348  		v.reset(OpARM64MOVDconst)
  6349  		v.AuxInt = int64ToAuxInt(b2i(fc.le()))
  6350  		return true
  6351  	}
  6352  	// match: (LessEqual (InvertFlags x))
  6353  	// result: (GreaterEqual x)
  6354  	for {
  6355  		if v_0.Op != OpARM64InvertFlags {
  6356  			break
  6357  		}
  6358  		x := v_0.Args[0]
  6359  		v.reset(OpARM64GreaterEqual)
  6360  		v.AddArg(x)
  6361  		return true
  6362  	}
  6363  	return false
  6364  }
  6365  func rewriteValueARM64_OpARM64LessEqualF(v *Value) bool {
  6366  	v_0 := v.Args[0]
  6367  	// match: (LessEqualF (InvertFlags x))
  6368  	// result: (GreaterEqualF x)
  6369  	for {
  6370  		if v_0.Op != OpARM64InvertFlags {
  6371  			break
  6372  		}
  6373  		x := v_0.Args[0]
  6374  		v.reset(OpARM64GreaterEqualF)
  6375  		v.AddArg(x)
  6376  		return true
  6377  	}
  6378  	return false
  6379  }
  6380  func rewriteValueARM64_OpARM64LessEqualU(v *Value) bool {
  6381  	v_0 := v.Args[0]
  6382  	// match: (LessEqualU (FlagConstant [fc]))
  6383  	// result: (MOVDconst [b2i(fc.ule())])
  6384  	for {
  6385  		if v_0.Op != OpARM64FlagConstant {
  6386  			break
  6387  		}
  6388  		fc := auxIntToFlagConstant(v_0.AuxInt)
  6389  		v.reset(OpARM64MOVDconst)
  6390  		v.AuxInt = int64ToAuxInt(b2i(fc.ule()))
  6391  		return true
  6392  	}
  6393  	// match: (LessEqualU (InvertFlags x))
  6394  	// result: (GreaterEqualU x)
  6395  	for {
  6396  		if v_0.Op != OpARM64InvertFlags {
  6397  			break
  6398  		}
  6399  		x := v_0.Args[0]
  6400  		v.reset(OpARM64GreaterEqualU)
  6401  		v.AddArg(x)
  6402  		return true
  6403  	}
  6404  	return false
  6405  }
  6406  func rewriteValueARM64_OpARM64LessThan(v *Value) bool {
  6407  	v_0 := v.Args[0]
  6408  	b := v.Block
  6409  	// match: (LessThan (CMPconst [0] z:(AND x y)))
  6410  	// cond: z.Uses == 1
  6411  	// result: (LessThan (TST x y))
  6412  	for {
  6413  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6414  			break
  6415  		}
  6416  		z := v_0.Args[0]
  6417  		if z.Op != OpARM64AND {
  6418  			break
  6419  		}
  6420  		y := z.Args[1]
  6421  		x := z.Args[0]
  6422  		if !(z.Uses == 1) {
  6423  			break
  6424  		}
  6425  		v.reset(OpARM64LessThan)
  6426  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
  6427  		v0.AddArg2(x, y)
  6428  		v.AddArg(v0)
  6429  		return true
  6430  	}
  6431  	// match: (LessThan (CMPWconst [0] x:(ANDconst [c] y)))
  6432  	// cond: x.Uses == 1
  6433  	// result: (LessThan (TSTWconst [int32(c)] y))
  6434  	for {
  6435  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6436  			break
  6437  		}
  6438  		x := v_0.Args[0]
  6439  		if x.Op != OpARM64ANDconst {
  6440  			break
  6441  		}
  6442  		c := auxIntToInt64(x.AuxInt)
  6443  		y := x.Args[0]
  6444  		if !(x.Uses == 1) {
  6445  			break
  6446  		}
  6447  		v.reset(OpARM64LessThan)
  6448  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
  6449  		v0.AuxInt = int32ToAuxInt(int32(c))
  6450  		v0.AddArg(y)
  6451  		v.AddArg(v0)
  6452  		return true
  6453  	}
  6454  	// match: (LessThan (CMPWconst [0] z:(AND x y)))
  6455  	// cond: z.Uses == 1
  6456  	// result: (LessThan (TSTW x y))
  6457  	for {
  6458  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6459  			break
  6460  		}
  6461  		z := v_0.Args[0]
  6462  		if z.Op != OpARM64AND {
  6463  			break
  6464  		}
  6465  		y := z.Args[1]
  6466  		x := z.Args[0]
  6467  		if !(z.Uses == 1) {
  6468  			break
  6469  		}
  6470  		v.reset(OpARM64LessThan)
  6471  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
  6472  		v0.AddArg2(x, y)
  6473  		v.AddArg(v0)
  6474  		return true
  6475  	}
  6476  	// match: (LessThan (CMPconst [0] x:(ANDconst [c] y)))
  6477  	// cond: x.Uses == 1
  6478  	// result: (LessThan (TSTconst [c] y))
  6479  	for {
  6480  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6481  			break
  6482  		}
  6483  		x := v_0.Args[0]
  6484  		if x.Op != OpARM64ANDconst {
  6485  			break
  6486  		}
  6487  		c := auxIntToInt64(x.AuxInt)
  6488  		y := x.Args[0]
  6489  		if !(x.Uses == 1) {
  6490  			break
  6491  		}
  6492  		v.reset(OpARM64LessThan)
  6493  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
  6494  		v0.AuxInt = int64ToAuxInt(c)
  6495  		v0.AddArg(y)
  6496  		v.AddArg(v0)
  6497  		return true
  6498  	}
  6499  	// match: (LessThan (CMPconst [0] x:(ADDconst [c] y)))
  6500  	// cond: x.Uses == 1
  6501  	// result: (LessThanNoov (CMNconst [c] y))
  6502  	for {
  6503  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6504  			break
  6505  		}
  6506  		x := v_0.Args[0]
  6507  		if x.Op != OpARM64ADDconst {
  6508  			break
  6509  		}
  6510  		c := auxIntToInt64(x.AuxInt)
  6511  		y := x.Args[0]
  6512  		if !(x.Uses == 1) {
  6513  			break
  6514  		}
  6515  		v.reset(OpARM64LessThanNoov)
  6516  		v0 := b.NewValue0(v.Pos, OpARM64CMNconst, types.TypeFlags)
  6517  		v0.AuxInt = int64ToAuxInt(c)
  6518  		v0.AddArg(y)
  6519  		v.AddArg(v0)
  6520  		return true
  6521  	}
  6522  	// match: (LessThan (CMPWconst [0] x:(ADDconst [c] y)))
  6523  	// cond: x.Uses == 1
  6524  	// result: (LessThanNoov (CMNWconst [int32(c)] y))
  6525  	for {
  6526  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6527  			break
  6528  		}
  6529  		x := v_0.Args[0]
  6530  		if x.Op != OpARM64ADDconst {
  6531  			break
  6532  		}
  6533  		c := auxIntToInt64(x.AuxInt)
  6534  		y := x.Args[0]
  6535  		if !(x.Uses == 1) {
  6536  			break
  6537  		}
  6538  		v.reset(OpARM64LessThanNoov)
  6539  		v0 := b.NewValue0(v.Pos, OpARM64CMNWconst, types.TypeFlags)
  6540  		v0.AuxInt = int32ToAuxInt(int32(c))
  6541  		v0.AddArg(y)
  6542  		v.AddArg(v0)
  6543  		return true
  6544  	}
  6545  	// match: (LessThan (CMPconst [0] z:(ADD x y)))
  6546  	// cond: z.Uses == 1
  6547  	// result: (LessThanNoov (CMN x y))
  6548  	for {
  6549  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6550  			break
  6551  		}
  6552  		z := v_0.Args[0]
  6553  		if z.Op != OpARM64ADD {
  6554  			break
  6555  		}
  6556  		y := z.Args[1]
  6557  		x := z.Args[0]
  6558  		if !(z.Uses == 1) {
  6559  			break
  6560  		}
  6561  		v.reset(OpARM64LessThanNoov)
  6562  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  6563  		v0.AddArg2(x, y)
  6564  		v.AddArg(v0)
  6565  		return true
  6566  	}
  6567  	// match: (LessThan (CMPWconst [0] z:(ADD x y)))
  6568  	// cond: z.Uses == 1
  6569  	// result: (LessThanNoov (CMNW x y))
  6570  	for {
  6571  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6572  			break
  6573  		}
  6574  		z := v_0.Args[0]
  6575  		if z.Op != OpARM64ADD {
  6576  			break
  6577  		}
  6578  		y := z.Args[1]
  6579  		x := z.Args[0]
  6580  		if !(z.Uses == 1) {
  6581  			break
  6582  		}
  6583  		v.reset(OpARM64LessThanNoov)
  6584  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  6585  		v0.AddArg2(x, y)
  6586  		v.AddArg(v0)
  6587  		return true
  6588  	}
  6589  	// match: (LessThan (CMPconst [0] z:(MADD a x y)))
  6590  	// cond: z.Uses == 1
  6591  	// result: (LessThanNoov (CMN a (MUL <x.Type> x y)))
  6592  	for {
  6593  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6594  			break
  6595  		}
  6596  		z := v_0.Args[0]
  6597  		if z.Op != OpARM64MADD {
  6598  			break
  6599  		}
  6600  		y := z.Args[2]
  6601  		a := z.Args[0]
  6602  		x := z.Args[1]
  6603  		if !(z.Uses == 1) {
  6604  			break
  6605  		}
  6606  		v.reset(OpARM64LessThanNoov)
  6607  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  6608  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  6609  		v1.AddArg2(x, y)
  6610  		v0.AddArg2(a, v1)
  6611  		v.AddArg(v0)
  6612  		return true
  6613  	}
  6614  	// match: (LessThan (CMPconst [0] z:(MSUB a x y)))
  6615  	// cond: z.Uses == 1
  6616  	// result: (LessThanNoov (CMP a (MUL <x.Type> x y)))
  6617  	for {
  6618  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6619  			break
  6620  		}
  6621  		z := v_0.Args[0]
  6622  		if z.Op != OpARM64MSUB {
  6623  			break
  6624  		}
  6625  		y := z.Args[2]
  6626  		a := z.Args[0]
  6627  		x := z.Args[1]
  6628  		if !(z.Uses == 1) {
  6629  			break
  6630  		}
  6631  		v.reset(OpARM64LessThanNoov)
  6632  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
  6633  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  6634  		v1.AddArg2(x, y)
  6635  		v0.AddArg2(a, v1)
  6636  		v.AddArg(v0)
  6637  		return true
  6638  	}
  6639  	// match: (LessThan (CMPWconst [0] z:(MADDW a x y)))
  6640  	// cond: z.Uses == 1
  6641  	// result: (LessThanNoov (CMNW a (MULW <x.Type> x y)))
  6642  	for {
  6643  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6644  			break
  6645  		}
  6646  		z := v_0.Args[0]
  6647  		if z.Op != OpARM64MADDW {
  6648  			break
  6649  		}
  6650  		y := z.Args[2]
  6651  		a := z.Args[0]
  6652  		x := z.Args[1]
  6653  		if !(z.Uses == 1) {
  6654  			break
  6655  		}
  6656  		v.reset(OpARM64LessThanNoov)
  6657  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  6658  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  6659  		v1.AddArg2(x, y)
  6660  		v0.AddArg2(a, v1)
  6661  		v.AddArg(v0)
  6662  		return true
  6663  	}
  6664  	// match: (LessThan (CMPWconst [0] z:(MSUBW a x y)))
  6665  	// cond: z.Uses == 1
  6666  	// result: (LessThanNoov (CMPW a (MULW <x.Type> x y)))
  6667  	for {
  6668  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6669  			break
  6670  		}
  6671  		z := v_0.Args[0]
  6672  		if z.Op != OpARM64MSUBW {
  6673  			break
  6674  		}
  6675  		y := z.Args[2]
  6676  		a := z.Args[0]
  6677  		x := z.Args[1]
  6678  		if !(z.Uses == 1) {
  6679  			break
  6680  		}
  6681  		v.reset(OpARM64LessThanNoov)
  6682  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
  6683  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  6684  		v1.AddArg2(x, y)
  6685  		v0.AddArg2(a, v1)
  6686  		v.AddArg(v0)
  6687  		return true
  6688  	}
  6689  	// match: (LessThan (FlagConstant [fc]))
  6690  	// result: (MOVDconst [b2i(fc.lt())])
  6691  	for {
  6692  		if v_0.Op != OpARM64FlagConstant {
  6693  			break
  6694  		}
  6695  		fc := auxIntToFlagConstant(v_0.AuxInt)
  6696  		v.reset(OpARM64MOVDconst)
  6697  		v.AuxInt = int64ToAuxInt(b2i(fc.lt()))
  6698  		return true
  6699  	}
  6700  	// match: (LessThan (InvertFlags x))
  6701  	// result: (GreaterThan x)
  6702  	for {
  6703  		if v_0.Op != OpARM64InvertFlags {
  6704  			break
  6705  		}
  6706  		x := v_0.Args[0]
  6707  		v.reset(OpARM64GreaterThan)
  6708  		v.AddArg(x)
  6709  		return true
  6710  	}
  6711  	return false
  6712  }
  6713  func rewriteValueARM64_OpARM64LessThanF(v *Value) bool {
  6714  	v_0 := v.Args[0]
  6715  	// match: (LessThanF (InvertFlags x))
  6716  	// result: (GreaterThanF x)
  6717  	for {
  6718  		if v_0.Op != OpARM64InvertFlags {
  6719  			break
  6720  		}
  6721  		x := v_0.Args[0]
  6722  		v.reset(OpARM64GreaterThanF)
  6723  		v.AddArg(x)
  6724  		return true
  6725  	}
  6726  	return false
  6727  }
  6728  func rewriteValueARM64_OpARM64LessThanNoov(v *Value) bool {
  6729  	v_0 := v.Args[0]
  6730  	b := v.Block
  6731  	typ := &b.Func.Config.Types
  6732  	// match: (LessThanNoov (InvertFlags x))
  6733  	// result: (CSEL0 [OpARM64NotEqual] (GreaterEqualNoov <typ.Bool> x) x)
  6734  	for {
  6735  		if v_0.Op != OpARM64InvertFlags {
  6736  			break
  6737  		}
  6738  		x := v_0.Args[0]
  6739  		v.reset(OpARM64CSEL0)
  6740  		v.AuxInt = opToAuxInt(OpARM64NotEqual)
  6741  		v0 := b.NewValue0(v.Pos, OpARM64GreaterEqualNoov, typ.Bool)
  6742  		v0.AddArg(x)
  6743  		v.AddArg2(v0, x)
  6744  		return true
  6745  	}
  6746  	return false
  6747  }
  6748  func rewriteValueARM64_OpARM64LessThanU(v *Value) bool {
  6749  	v_0 := v.Args[0]
  6750  	// match: (LessThanU (FlagConstant [fc]))
  6751  	// result: (MOVDconst [b2i(fc.ult())])
  6752  	for {
  6753  		if v_0.Op != OpARM64FlagConstant {
  6754  			break
  6755  		}
  6756  		fc := auxIntToFlagConstant(v_0.AuxInt)
  6757  		v.reset(OpARM64MOVDconst)
  6758  		v.AuxInt = int64ToAuxInt(b2i(fc.ult()))
  6759  		return true
  6760  	}
  6761  	// match: (LessThanU (InvertFlags x))
  6762  	// result: (GreaterThanU x)
  6763  	for {
  6764  		if v_0.Op != OpARM64InvertFlags {
  6765  			break
  6766  		}
  6767  		x := v_0.Args[0]
  6768  		v.reset(OpARM64GreaterThanU)
  6769  		v.AddArg(x)
  6770  		return true
  6771  	}
  6772  	return false
  6773  }
  6774  func rewriteValueARM64_OpARM64MADD(v *Value) bool {
  6775  	v_2 := v.Args[2]
  6776  	v_1 := v.Args[1]
  6777  	v_0 := v.Args[0]
  6778  	b := v.Block
  6779  	// match: (MADD a x (MOVDconst [-1]))
  6780  	// result: (SUB a x)
  6781  	for {
  6782  		a := v_0
  6783  		x := v_1
  6784  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != -1 {
  6785  			break
  6786  		}
  6787  		v.reset(OpARM64SUB)
  6788  		v.AddArg2(a, x)
  6789  		return true
  6790  	}
  6791  	// match: (MADD a _ (MOVDconst [0]))
  6792  	// result: a
  6793  	for {
  6794  		a := v_0
  6795  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
  6796  			break
  6797  		}
  6798  		v.copyOf(a)
  6799  		return true
  6800  	}
  6801  	// match: (MADD a x (MOVDconst [1]))
  6802  	// result: (ADD a x)
  6803  	for {
  6804  		a := v_0
  6805  		x := v_1
  6806  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 1 {
  6807  			break
  6808  		}
  6809  		v.reset(OpARM64ADD)
  6810  		v.AddArg2(a, x)
  6811  		return true
  6812  	}
  6813  	// match: (MADD a x (MOVDconst [c]))
  6814  	// cond: isPowerOfTwo64(c)
  6815  	// result: (ADDshiftLL a x [log64(c)])
  6816  	for {
  6817  		a := v_0
  6818  		x := v_1
  6819  		if v_2.Op != OpARM64MOVDconst {
  6820  			break
  6821  		}
  6822  		c := auxIntToInt64(v_2.AuxInt)
  6823  		if !(isPowerOfTwo64(c)) {
  6824  			break
  6825  		}
  6826  		v.reset(OpARM64ADDshiftLL)
  6827  		v.AuxInt = int64ToAuxInt(log64(c))
  6828  		v.AddArg2(a, x)
  6829  		return true
  6830  	}
  6831  	// match: (MADD a x (MOVDconst [c]))
  6832  	// cond: isPowerOfTwo64(c-1) && c>=3
  6833  	// result: (ADD a (ADDshiftLL <x.Type> x x [log64(c-1)]))
  6834  	for {
  6835  		a := v_0
  6836  		x := v_1
  6837  		if v_2.Op != OpARM64MOVDconst {
  6838  			break
  6839  		}
  6840  		c := auxIntToInt64(v_2.AuxInt)
  6841  		if !(isPowerOfTwo64(c-1) && c >= 3) {
  6842  			break
  6843  		}
  6844  		v.reset(OpARM64ADD)
  6845  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  6846  		v0.AuxInt = int64ToAuxInt(log64(c - 1))
  6847  		v0.AddArg2(x, x)
  6848  		v.AddArg2(a, v0)
  6849  		return true
  6850  	}
  6851  	// match: (MADD a x (MOVDconst [c]))
  6852  	// cond: isPowerOfTwo64(c+1) && c>=7
  6853  	// result: (SUB a (SUBshiftLL <x.Type> x x [log64(c+1)]))
  6854  	for {
  6855  		a := v_0
  6856  		x := v_1
  6857  		if v_2.Op != OpARM64MOVDconst {
  6858  			break
  6859  		}
  6860  		c := auxIntToInt64(v_2.AuxInt)
  6861  		if !(isPowerOfTwo64(c+1) && c >= 7) {
  6862  			break
  6863  		}
  6864  		v.reset(OpARM64SUB)
  6865  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  6866  		v0.AuxInt = int64ToAuxInt(log64(c + 1))
  6867  		v0.AddArg2(x, x)
  6868  		v.AddArg2(a, v0)
  6869  		return true
  6870  	}
  6871  	// match: (MADD a x (MOVDconst [c]))
  6872  	// cond: c%3 == 0 && isPowerOfTwo64(c/3)
  6873  	// result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)])
  6874  	for {
  6875  		a := v_0
  6876  		x := v_1
  6877  		if v_2.Op != OpARM64MOVDconst {
  6878  			break
  6879  		}
  6880  		c := auxIntToInt64(v_2.AuxInt)
  6881  		if !(c%3 == 0 && isPowerOfTwo64(c/3)) {
  6882  			break
  6883  		}
  6884  		v.reset(OpARM64SUBshiftLL)
  6885  		v.AuxInt = int64ToAuxInt(log64(c / 3))
  6886  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  6887  		v0.AuxInt = int64ToAuxInt(2)
  6888  		v0.AddArg2(x, x)
  6889  		v.AddArg2(a, v0)
  6890  		return true
  6891  	}
  6892  	// match: (MADD a x (MOVDconst [c]))
  6893  	// cond: c%5 == 0 && isPowerOfTwo64(c/5)
  6894  	// result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)])
  6895  	for {
  6896  		a := v_0
  6897  		x := v_1
  6898  		if v_2.Op != OpARM64MOVDconst {
  6899  			break
  6900  		}
  6901  		c := auxIntToInt64(v_2.AuxInt)
  6902  		if !(c%5 == 0 && isPowerOfTwo64(c/5)) {
  6903  			break
  6904  		}
  6905  		v.reset(OpARM64ADDshiftLL)
  6906  		v.AuxInt = int64ToAuxInt(log64(c / 5))
  6907  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  6908  		v0.AuxInt = int64ToAuxInt(2)
  6909  		v0.AddArg2(x, x)
  6910  		v.AddArg2(a, v0)
  6911  		return true
  6912  	}
  6913  	// match: (MADD a x (MOVDconst [c]))
  6914  	// cond: c%7 == 0 && isPowerOfTwo64(c/7)
  6915  	// result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)])
  6916  	for {
  6917  		a := v_0
  6918  		x := v_1
  6919  		if v_2.Op != OpARM64MOVDconst {
  6920  			break
  6921  		}
  6922  		c := auxIntToInt64(v_2.AuxInt)
  6923  		if !(c%7 == 0 && isPowerOfTwo64(c/7)) {
  6924  			break
  6925  		}
  6926  		v.reset(OpARM64SUBshiftLL)
  6927  		v.AuxInt = int64ToAuxInt(log64(c / 7))
  6928  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  6929  		v0.AuxInt = int64ToAuxInt(3)
  6930  		v0.AddArg2(x, x)
  6931  		v.AddArg2(a, v0)
  6932  		return true
  6933  	}
  6934  	// match: (MADD a x (MOVDconst [c]))
  6935  	// cond: c%9 == 0 && isPowerOfTwo64(c/9)
  6936  	// result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)])
  6937  	for {
  6938  		a := v_0
  6939  		x := v_1
  6940  		if v_2.Op != OpARM64MOVDconst {
  6941  			break
  6942  		}
  6943  		c := auxIntToInt64(v_2.AuxInt)
  6944  		if !(c%9 == 0 && isPowerOfTwo64(c/9)) {
  6945  			break
  6946  		}
  6947  		v.reset(OpARM64ADDshiftLL)
  6948  		v.AuxInt = int64ToAuxInt(log64(c / 9))
  6949  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  6950  		v0.AuxInt = int64ToAuxInt(3)
  6951  		v0.AddArg2(x, x)
  6952  		v.AddArg2(a, v0)
  6953  		return true
  6954  	}
  6955  	// match: (MADD a (MOVDconst [-1]) x)
  6956  	// result: (SUB a x)
  6957  	for {
  6958  		a := v_0
  6959  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 {
  6960  			break
  6961  		}
  6962  		x := v_2
  6963  		v.reset(OpARM64SUB)
  6964  		v.AddArg2(a, x)
  6965  		return true
  6966  	}
  6967  	// match: (MADD a (MOVDconst [0]) _)
  6968  	// result: a
  6969  	for {
  6970  		a := v_0
  6971  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  6972  			break
  6973  		}
  6974  		v.copyOf(a)
  6975  		return true
  6976  	}
  6977  	// match: (MADD a (MOVDconst [1]) x)
  6978  	// result: (ADD a x)
  6979  	for {
  6980  		a := v_0
  6981  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
  6982  			break
  6983  		}
  6984  		x := v_2
  6985  		v.reset(OpARM64ADD)
  6986  		v.AddArg2(a, x)
  6987  		return true
  6988  	}
  6989  	// match: (MADD a (MOVDconst [c]) x)
  6990  	// cond: isPowerOfTwo64(c)
  6991  	// result: (ADDshiftLL a x [log64(c)])
  6992  	for {
  6993  		a := v_0
  6994  		if v_1.Op != OpARM64MOVDconst {
  6995  			break
  6996  		}
  6997  		c := auxIntToInt64(v_1.AuxInt)
  6998  		x := v_2
  6999  		if !(isPowerOfTwo64(c)) {
  7000  			break
  7001  		}
  7002  		v.reset(OpARM64ADDshiftLL)
  7003  		v.AuxInt = int64ToAuxInt(log64(c))
  7004  		v.AddArg2(a, x)
  7005  		return true
  7006  	}
  7007  	// match: (MADD a (MOVDconst [c]) x)
  7008  	// cond: isPowerOfTwo64(c-1) && c>=3
  7009  	// result: (ADD a (ADDshiftLL <x.Type> x x [log64(c-1)]))
  7010  	for {
  7011  		a := v_0
  7012  		if v_1.Op != OpARM64MOVDconst {
  7013  			break
  7014  		}
  7015  		c := auxIntToInt64(v_1.AuxInt)
  7016  		x := v_2
  7017  		if !(isPowerOfTwo64(c-1) && c >= 3) {
  7018  			break
  7019  		}
  7020  		v.reset(OpARM64ADD)
  7021  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7022  		v0.AuxInt = int64ToAuxInt(log64(c - 1))
  7023  		v0.AddArg2(x, x)
  7024  		v.AddArg2(a, v0)
  7025  		return true
  7026  	}
  7027  	// match: (MADD a (MOVDconst [c]) x)
  7028  	// cond: isPowerOfTwo64(c+1) && c>=7
  7029  	// result: (SUB a (SUBshiftLL <x.Type> x x [log64(c+1)]))
  7030  	for {
  7031  		a := v_0
  7032  		if v_1.Op != OpARM64MOVDconst {
  7033  			break
  7034  		}
  7035  		c := auxIntToInt64(v_1.AuxInt)
  7036  		x := v_2
  7037  		if !(isPowerOfTwo64(c+1) && c >= 7) {
  7038  			break
  7039  		}
  7040  		v.reset(OpARM64SUB)
  7041  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7042  		v0.AuxInt = int64ToAuxInt(log64(c + 1))
  7043  		v0.AddArg2(x, x)
  7044  		v.AddArg2(a, v0)
  7045  		return true
  7046  	}
  7047  	// match: (MADD a (MOVDconst [c]) x)
  7048  	// cond: c%3 == 0 && isPowerOfTwo64(c/3)
  7049  	// result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)])
  7050  	for {
  7051  		a := v_0
  7052  		if v_1.Op != OpARM64MOVDconst {
  7053  			break
  7054  		}
  7055  		c := auxIntToInt64(v_1.AuxInt)
  7056  		x := v_2
  7057  		if !(c%3 == 0 && isPowerOfTwo64(c/3)) {
  7058  			break
  7059  		}
  7060  		v.reset(OpARM64SUBshiftLL)
  7061  		v.AuxInt = int64ToAuxInt(log64(c / 3))
  7062  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7063  		v0.AuxInt = int64ToAuxInt(2)
  7064  		v0.AddArg2(x, x)
  7065  		v.AddArg2(a, v0)
  7066  		return true
  7067  	}
  7068  	// match: (MADD a (MOVDconst [c]) x)
  7069  	// cond: c%5 == 0 && isPowerOfTwo64(c/5)
  7070  	// result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)])
  7071  	for {
  7072  		a := v_0
  7073  		if v_1.Op != OpARM64MOVDconst {
  7074  			break
  7075  		}
  7076  		c := auxIntToInt64(v_1.AuxInt)
  7077  		x := v_2
  7078  		if !(c%5 == 0 && isPowerOfTwo64(c/5)) {
  7079  			break
  7080  		}
  7081  		v.reset(OpARM64ADDshiftLL)
  7082  		v.AuxInt = int64ToAuxInt(log64(c / 5))
  7083  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7084  		v0.AuxInt = int64ToAuxInt(2)
  7085  		v0.AddArg2(x, x)
  7086  		v.AddArg2(a, v0)
  7087  		return true
  7088  	}
  7089  	// match: (MADD a (MOVDconst [c]) x)
  7090  	// cond: c%7 == 0 && isPowerOfTwo64(c/7)
  7091  	// result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)])
  7092  	for {
  7093  		a := v_0
  7094  		if v_1.Op != OpARM64MOVDconst {
  7095  			break
  7096  		}
  7097  		c := auxIntToInt64(v_1.AuxInt)
  7098  		x := v_2
  7099  		if !(c%7 == 0 && isPowerOfTwo64(c/7)) {
  7100  			break
  7101  		}
  7102  		v.reset(OpARM64SUBshiftLL)
  7103  		v.AuxInt = int64ToAuxInt(log64(c / 7))
  7104  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7105  		v0.AuxInt = int64ToAuxInt(3)
  7106  		v0.AddArg2(x, x)
  7107  		v.AddArg2(a, v0)
  7108  		return true
  7109  	}
  7110  	// match: (MADD a (MOVDconst [c]) x)
  7111  	// cond: c%9 == 0 && isPowerOfTwo64(c/9)
  7112  	// result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)])
  7113  	for {
  7114  		a := v_0
  7115  		if v_1.Op != OpARM64MOVDconst {
  7116  			break
  7117  		}
  7118  		c := auxIntToInt64(v_1.AuxInt)
  7119  		x := v_2
  7120  		if !(c%9 == 0 && isPowerOfTwo64(c/9)) {
  7121  			break
  7122  		}
  7123  		v.reset(OpARM64ADDshiftLL)
  7124  		v.AuxInt = int64ToAuxInt(log64(c / 9))
  7125  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7126  		v0.AuxInt = int64ToAuxInt(3)
  7127  		v0.AddArg2(x, x)
  7128  		v.AddArg2(a, v0)
  7129  		return true
  7130  	}
  7131  	// match: (MADD (MOVDconst [c]) x y)
  7132  	// result: (ADDconst [c] (MUL <x.Type> x y))
  7133  	for {
  7134  		if v_0.Op != OpARM64MOVDconst {
  7135  			break
  7136  		}
  7137  		c := auxIntToInt64(v_0.AuxInt)
  7138  		x := v_1
  7139  		y := v_2
  7140  		v.reset(OpARM64ADDconst)
  7141  		v.AuxInt = int64ToAuxInt(c)
  7142  		v0 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  7143  		v0.AddArg2(x, y)
  7144  		v.AddArg(v0)
  7145  		return true
  7146  	}
  7147  	// match: (MADD a (MOVDconst [c]) (MOVDconst [d]))
  7148  	// result: (ADDconst [c*d] a)
  7149  	for {
  7150  		a := v_0
  7151  		if v_1.Op != OpARM64MOVDconst {
  7152  			break
  7153  		}
  7154  		c := auxIntToInt64(v_1.AuxInt)
  7155  		if v_2.Op != OpARM64MOVDconst {
  7156  			break
  7157  		}
  7158  		d := auxIntToInt64(v_2.AuxInt)
  7159  		v.reset(OpARM64ADDconst)
  7160  		v.AuxInt = int64ToAuxInt(c * d)
  7161  		v.AddArg(a)
  7162  		return true
  7163  	}
  7164  	return false
  7165  }
  7166  func rewriteValueARM64_OpARM64MADDW(v *Value) bool {
  7167  	v_2 := v.Args[2]
  7168  	v_1 := v.Args[1]
  7169  	v_0 := v.Args[0]
  7170  	b := v.Block
  7171  	// match: (MADDW a x (MOVDconst [c]))
  7172  	// cond: int32(c)==-1
  7173  	// result: (MOVWUreg (SUB <a.Type> a x))
  7174  	for {
  7175  		a := v_0
  7176  		x := v_1
  7177  		if v_2.Op != OpARM64MOVDconst {
  7178  			break
  7179  		}
  7180  		c := auxIntToInt64(v_2.AuxInt)
  7181  		if !(int32(c) == -1) {
  7182  			break
  7183  		}
  7184  		v.reset(OpARM64MOVWUreg)
  7185  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
  7186  		v0.AddArg2(a, x)
  7187  		v.AddArg(v0)
  7188  		return true
  7189  	}
  7190  	// match: (MADDW a _ (MOVDconst [c]))
  7191  	// cond: int32(c)==0
  7192  	// result: (MOVWUreg a)
  7193  	for {
  7194  		a := v_0
  7195  		if v_2.Op != OpARM64MOVDconst {
  7196  			break
  7197  		}
  7198  		c := auxIntToInt64(v_2.AuxInt)
  7199  		if !(int32(c) == 0) {
  7200  			break
  7201  		}
  7202  		v.reset(OpARM64MOVWUreg)
  7203  		v.AddArg(a)
  7204  		return true
  7205  	}
  7206  	// match: (MADDW a x (MOVDconst [c]))
  7207  	// cond: int32(c)==1
  7208  	// result: (MOVWUreg (ADD <a.Type> a x))
  7209  	for {
  7210  		a := v_0
  7211  		x := v_1
  7212  		if v_2.Op != OpARM64MOVDconst {
  7213  			break
  7214  		}
  7215  		c := auxIntToInt64(v_2.AuxInt)
  7216  		if !(int32(c) == 1) {
  7217  			break
  7218  		}
  7219  		v.reset(OpARM64MOVWUreg)
  7220  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
  7221  		v0.AddArg2(a, x)
  7222  		v.AddArg(v0)
  7223  		return true
  7224  	}
  7225  	// match: (MADDW a x (MOVDconst [c]))
  7226  	// cond: isPowerOfTwo64(c)
  7227  	// result: (MOVWUreg (ADDshiftLL <a.Type> a x [log64(c)]))
  7228  	for {
  7229  		a := v_0
  7230  		x := v_1
  7231  		if v_2.Op != OpARM64MOVDconst {
  7232  			break
  7233  		}
  7234  		c := auxIntToInt64(v_2.AuxInt)
  7235  		if !(isPowerOfTwo64(c)) {
  7236  			break
  7237  		}
  7238  		v.reset(OpARM64MOVWUreg)
  7239  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  7240  		v0.AuxInt = int64ToAuxInt(log64(c))
  7241  		v0.AddArg2(a, x)
  7242  		v.AddArg(v0)
  7243  		return true
  7244  	}
  7245  	// match: (MADDW a x (MOVDconst [c]))
  7246  	// cond: isPowerOfTwo64(c-1) && int32(c)>=3
  7247  	// result: (MOVWUreg (ADD <a.Type> a (ADDshiftLL <x.Type> x x [log64(c-1)])))
  7248  	for {
  7249  		a := v_0
  7250  		x := v_1
  7251  		if v_2.Op != OpARM64MOVDconst {
  7252  			break
  7253  		}
  7254  		c := auxIntToInt64(v_2.AuxInt)
  7255  		if !(isPowerOfTwo64(c-1) && int32(c) >= 3) {
  7256  			break
  7257  		}
  7258  		v.reset(OpARM64MOVWUreg)
  7259  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
  7260  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7261  		v1.AuxInt = int64ToAuxInt(log64(c - 1))
  7262  		v1.AddArg2(x, x)
  7263  		v0.AddArg2(a, v1)
  7264  		v.AddArg(v0)
  7265  		return true
  7266  	}
  7267  	// match: (MADDW a x (MOVDconst [c]))
  7268  	// cond: isPowerOfTwo64(c+1) && int32(c)>=7
  7269  	// result: (MOVWUreg (SUB <a.Type> a (SUBshiftLL <x.Type> x x [log64(c+1)])))
  7270  	for {
  7271  		a := v_0
  7272  		x := v_1
  7273  		if v_2.Op != OpARM64MOVDconst {
  7274  			break
  7275  		}
  7276  		c := auxIntToInt64(v_2.AuxInt)
  7277  		if !(isPowerOfTwo64(c+1) && int32(c) >= 7) {
  7278  			break
  7279  		}
  7280  		v.reset(OpARM64MOVWUreg)
  7281  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
  7282  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7283  		v1.AuxInt = int64ToAuxInt(log64(c + 1))
  7284  		v1.AddArg2(x, x)
  7285  		v0.AddArg2(a, v1)
  7286  		v.AddArg(v0)
  7287  		return true
  7288  	}
  7289  	// match: (MADDW a x (MOVDconst [c]))
  7290  	// cond: c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)
  7291  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]))
  7292  	for {
  7293  		a := v_0
  7294  		x := v_1
  7295  		if v_2.Op != OpARM64MOVDconst {
  7296  			break
  7297  		}
  7298  		c := auxIntToInt64(v_2.AuxInt)
  7299  		if !(c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)) {
  7300  			break
  7301  		}
  7302  		v.reset(OpARM64MOVWUreg)
  7303  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
  7304  		v0.AuxInt = int64ToAuxInt(log64(c / 3))
  7305  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7306  		v1.AuxInt = int64ToAuxInt(2)
  7307  		v1.AddArg2(x, x)
  7308  		v0.AddArg2(a, v1)
  7309  		v.AddArg(v0)
  7310  		return true
  7311  	}
  7312  	// match: (MADDW a x (MOVDconst [c]))
  7313  	// cond: c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)
  7314  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]))
  7315  	for {
  7316  		a := v_0
  7317  		x := v_1
  7318  		if v_2.Op != OpARM64MOVDconst {
  7319  			break
  7320  		}
  7321  		c := auxIntToInt64(v_2.AuxInt)
  7322  		if !(c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)) {
  7323  			break
  7324  		}
  7325  		v.reset(OpARM64MOVWUreg)
  7326  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  7327  		v0.AuxInt = int64ToAuxInt(log64(c / 5))
  7328  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7329  		v1.AuxInt = int64ToAuxInt(2)
  7330  		v1.AddArg2(x, x)
  7331  		v0.AddArg2(a, v1)
  7332  		v.AddArg(v0)
  7333  		return true
  7334  	}
  7335  	// match: (MADDW a x (MOVDconst [c]))
  7336  	// cond: c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)
  7337  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]))
  7338  	for {
  7339  		a := v_0
  7340  		x := v_1
  7341  		if v_2.Op != OpARM64MOVDconst {
  7342  			break
  7343  		}
  7344  		c := auxIntToInt64(v_2.AuxInt)
  7345  		if !(c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)) {
  7346  			break
  7347  		}
  7348  		v.reset(OpARM64MOVWUreg)
  7349  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
  7350  		v0.AuxInt = int64ToAuxInt(log64(c / 7))
  7351  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7352  		v1.AuxInt = int64ToAuxInt(3)
  7353  		v1.AddArg2(x, x)
  7354  		v0.AddArg2(a, v1)
  7355  		v.AddArg(v0)
  7356  		return true
  7357  	}
  7358  	// match: (MADDW a x (MOVDconst [c]))
  7359  	// cond: c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)
  7360  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]))
  7361  	for {
  7362  		a := v_0
  7363  		x := v_1
  7364  		if v_2.Op != OpARM64MOVDconst {
  7365  			break
  7366  		}
  7367  		c := auxIntToInt64(v_2.AuxInt)
  7368  		if !(c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)) {
  7369  			break
  7370  		}
  7371  		v.reset(OpARM64MOVWUreg)
  7372  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  7373  		v0.AuxInt = int64ToAuxInt(log64(c / 9))
  7374  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7375  		v1.AuxInt = int64ToAuxInt(3)
  7376  		v1.AddArg2(x, x)
  7377  		v0.AddArg2(a, v1)
  7378  		v.AddArg(v0)
  7379  		return true
  7380  	}
  7381  	// match: (MADDW a (MOVDconst [c]) x)
  7382  	// cond: int32(c)==-1
  7383  	// result: (MOVWUreg (SUB <a.Type> a x))
  7384  	for {
  7385  		a := v_0
  7386  		if v_1.Op != OpARM64MOVDconst {
  7387  			break
  7388  		}
  7389  		c := auxIntToInt64(v_1.AuxInt)
  7390  		x := v_2
  7391  		if !(int32(c) == -1) {
  7392  			break
  7393  		}
  7394  		v.reset(OpARM64MOVWUreg)
  7395  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
  7396  		v0.AddArg2(a, x)
  7397  		v.AddArg(v0)
  7398  		return true
  7399  	}
  7400  	// match: (MADDW a (MOVDconst [c]) _)
  7401  	// cond: int32(c)==0
  7402  	// result: (MOVWUreg a)
  7403  	for {
  7404  		a := v_0
  7405  		if v_1.Op != OpARM64MOVDconst {
  7406  			break
  7407  		}
  7408  		c := auxIntToInt64(v_1.AuxInt)
  7409  		if !(int32(c) == 0) {
  7410  			break
  7411  		}
  7412  		v.reset(OpARM64MOVWUreg)
  7413  		v.AddArg(a)
  7414  		return true
  7415  	}
  7416  	// match: (MADDW a (MOVDconst [c]) x)
  7417  	// cond: int32(c)==1
  7418  	// result: (MOVWUreg (ADD <a.Type> a x))
  7419  	for {
  7420  		a := v_0
  7421  		if v_1.Op != OpARM64MOVDconst {
  7422  			break
  7423  		}
  7424  		c := auxIntToInt64(v_1.AuxInt)
  7425  		x := v_2
  7426  		if !(int32(c) == 1) {
  7427  			break
  7428  		}
  7429  		v.reset(OpARM64MOVWUreg)
  7430  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
  7431  		v0.AddArg2(a, x)
  7432  		v.AddArg(v0)
  7433  		return true
  7434  	}
  7435  	// match: (MADDW a (MOVDconst [c]) x)
  7436  	// cond: isPowerOfTwo64(c)
  7437  	// result: (MOVWUreg (ADDshiftLL <a.Type> a x [log64(c)]))
  7438  	for {
  7439  		a := v_0
  7440  		if v_1.Op != OpARM64MOVDconst {
  7441  			break
  7442  		}
  7443  		c := auxIntToInt64(v_1.AuxInt)
  7444  		x := v_2
  7445  		if !(isPowerOfTwo64(c)) {
  7446  			break
  7447  		}
  7448  		v.reset(OpARM64MOVWUreg)
  7449  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  7450  		v0.AuxInt = int64ToAuxInt(log64(c))
  7451  		v0.AddArg2(a, x)
  7452  		v.AddArg(v0)
  7453  		return true
  7454  	}
  7455  	// match: (MADDW a (MOVDconst [c]) x)
  7456  	// cond: isPowerOfTwo64(c-1) && int32(c)>=3
  7457  	// result: (MOVWUreg (ADD <a.Type> a (ADDshiftLL <x.Type> x x [log64(c-1)])))
  7458  	for {
  7459  		a := v_0
  7460  		if v_1.Op != OpARM64MOVDconst {
  7461  			break
  7462  		}
  7463  		c := auxIntToInt64(v_1.AuxInt)
  7464  		x := v_2
  7465  		if !(isPowerOfTwo64(c-1) && int32(c) >= 3) {
  7466  			break
  7467  		}
  7468  		v.reset(OpARM64MOVWUreg)
  7469  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
  7470  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7471  		v1.AuxInt = int64ToAuxInt(log64(c - 1))
  7472  		v1.AddArg2(x, x)
  7473  		v0.AddArg2(a, v1)
  7474  		v.AddArg(v0)
  7475  		return true
  7476  	}
  7477  	// match: (MADDW a (MOVDconst [c]) x)
  7478  	// cond: isPowerOfTwo64(c+1) && int32(c)>=7
  7479  	// result: (MOVWUreg (SUB <a.Type> a (SUBshiftLL <x.Type> x x [log64(c+1)])))
  7480  	for {
  7481  		a := v_0
  7482  		if v_1.Op != OpARM64MOVDconst {
  7483  			break
  7484  		}
  7485  		c := auxIntToInt64(v_1.AuxInt)
  7486  		x := v_2
  7487  		if !(isPowerOfTwo64(c+1) && int32(c) >= 7) {
  7488  			break
  7489  		}
  7490  		v.reset(OpARM64MOVWUreg)
  7491  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
  7492  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7493  		v1.AuxInt = int64ToAuxInt(log64(c + 1))
  7494  		v1.AddArg2(x, x)
  7495  		v0.AddArg2(a, v1)
  7496  		v.AddArg(v0)
  7497  		return true
  7498  	}
  7499  	// match: (MADDW a (MOVDconst [c]) x)
  7500  	// cond: c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)
  7501  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]))
  7502  	for {
  7503  		a := v_0
  7504  		if v_1.Op != OpARM64MOVDconst {
  7505  			break
  7506  		}
  7507  		c := auxIntToInt64(v_1.AuxInt)
  7508  		x := v_2
  7509  		if !(c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)) {
  7510  			break
  7511  		}
  7512  		v.reset(OpARM64MOVWUreg)
  7513  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
  7514  		v0.AuxInt = int64ToAuxInt(log64(c / 3))
  7515  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7516  		v1.AuxInt = int64ToAuxInt(2)
  7517  		v1.AddArg2(x, x)
  7518  		v0.AddArg2(a, v1)
  7519  		v.AddArg(v0)
  7520  		return true
  7521  	}
  7522  	// match: (MADDW a (MOVDconst [c]) x)
  7523  	// cond: c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)
  7524  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]))
  7525  	for {
  7526  		a := v_0
  7527  		if v_1.Op != OpARM64MOVDconst {
  7528  			break
  7529  		}
  7530  		c := auxIntToInt64(v_1.AuxInt)
  7531  		x := v_2
  7532  		if !(c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)) {
  7533  			break
  7534  		}
  7535  		v.reset(OpARM64MOVWUreg)
  7536  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  7537  		v0.AuxInt = int64ToAuxInt(log64(c / 5))
  7538  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7539  		v1.AuxInt = int64ToAuxInt(2)
  7540  		v1.AddArg2(x, x)
  7541  		v0.AddArg2(a, v1)
  7542  		v.AddArg(v0)
  7543  		return true
  7544  	}
  7545  	// match: (MADDW a (MOVDconst [c]) x)
  7546  	// cond: c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)
  7547  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]))
  7548  	for {
  7549  		a := v_0
  7550  		if v_1.Op != OpARM64MOVDconst {
  7551  			break
  7552  		}
  7553  		c := auxIntToInt64(v_1.AuxInt)
  7554  		x := v_2
  7555  		if !(c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)) {
  7556  			break
  7557  		}
  7558  		v.reset(OpARM64MOVWUreg)
  7559  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
  7560  		v0.AuxInt = int64ToAuxInt(log64(c / 7))
  7561  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7562  		v1.AuxInt = int64ToAuxInt(3)
  7563  		v1.AddArg2(x, x)
  7564  		v0.AddArg2(a, v1)
  7565  		v.AddArg(v0)
  7566  		return true
  7567  	}
  7568  	// match: (MADDW a (MOVDconst [c]) x)
  7569  	// cond: c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)
  7570  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]))
  7571  	for {
  7572  		a := v_0
  7573  		if v_1.Op != OpARM64MOVDconst {
  7574  			break
  7575  		}
  7576  		c := auxIntToInt64(v_1.AuxInt)
  7577  		x := v_2
  7578  		if !(c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)) {
  7579  			break
  7580  		}
  7581  		v.reset(OpARM64MOVWUreg)
  7582  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  7583  		v0.AuxInt = int64ToAuxInt(log64(c / 9))
  7584  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7585  		v1.AuxInt = int64ToAuxInt(3)
  7586  		v1.AddArg2(x, x)
  7587  		v0.AddArg2(a, v1)
  7588  		v.AddArg(v0)
  7589  		return true
  7590  	}
  7591  	// match: (MADDW (MOVDconst [c]) x y)
  7592  	// result: (MOVWUreg (ADDconst <x.Type> [c] (MULW <x.Type> x y)))
  7593  	for {
  7594  		if v_0.Op != OpARM64MOVDconst {
  7595  			break
  7596  		}
  7597  		c := auxIntToInt64(v_0.AuxInt)
  7598  		x := v_1
  7599  		y := v_2
  7600  		v.reset(OpARM64MOVWUreg)
  7601  		v0 := b.NewValue0(v.Pos, OpARM64ADDconst, x.Type)
  7602  		v0.AuxInt = int64ToAuxInt(c)
  7603  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  7604  		v1.AddArg2(x, y)
  7605  		v0.AddArg(v1)
  7606  		v.AddArg(v0)
  7607  		return true
  7608  	}
  7609  	// match: (MADDW a (MOVDconst [c]) (MOVDconst [d]))
  7610  	// result: (MOVWUreg (ADDconst <a.Type> [c*d] a))
  7611  	for {
  7612  		a := v_0
  7613  		if v_1.Op != OpARM64MOVDconst {
  7614  			break
  7615  		}
  7616  		c := auxIntToInt64(v_1.AuxInt)
  7617  		if v_2.Op != OpARM64MOVDconst {
  7618  			break
  7619  		}
  7620  		d := auxIntToInt64(v_2.AuxInt)
  7621  		v.reset(OpARM64MOVWUreg)
  7622  		v0 := b.NewValue0(v.Pos, OpARM64ADDconst, a.Type)
  7623  		v0.AuxInt = int64ToAuxInt(c * d)
  7624  		v0.AddArg(a)
  7625  		v.AddArg(v0)
  7626  		return true
  7627  	}
  7628  	return false
  7629  }
  7630  func rewriteValueARM64_OpARM64MNEG(v *Value) bool {
  7631  	v_1 := v.Args[1]
  7632  	v_0 := v.Args[0]
  7633  	b := v.Block
  7634  	// match: (MNEG x (MOVDconst [-1]))
  7635  	// result: x
  7636  	for {
  7637  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7638  			x := v_0
  7639  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 {
  7640  				continue
  7641  			}
  7642  			v.copyOf(x)
  7643  			return true
  7644  		}
  7645  		break
  7646  	}
  7647  	// match: (MNEG _ (MOVDconst [0]))
  7648  	// result: (MOVDconst [0])
  7649  	for {
  7650  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7651  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  7652  				continue
  7653  			}
  7654  			v.reset(OpARM64MOVDconst)
  7655  			v.AuxInt = int64ToAuxInt(0)
  7656  			return true
  7657  		}
  7658  		break
  7659  	}
  7660  	// match: (MNEG x (MOVDconst [1]))
  7661  	// result: (NEG x)
  7662  	for {
  7663  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7664  			x := v_0
  7665  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
  7666  				continue
  7667  			}
  7668  			v.reset(OpARM64NEG)
  7669  			v.AddArg(x)
  7670  			return true
  7671  		}
  7672  		break
  7673  	}
  7674  	// match: (MNEG x (MOVDconst [c]))
  7675  	// cond: isPowerOfTwo64(c)
  7676  	// result: (NEG (SLLconst <x.Type> [log64(c)] x))
  7677  	for {
  7678  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7679  			x := v_0
  7680  			if v_1.Op != OpARM64MOVDconst {
  7681  				continue
  7682  			}
  7683  			c := auxIntToInt64(v_1.AuxInt)
  7684  			if !(isPowerOfTwo64(c)) {
  7685  				continue
  7686  			}
  7687  			v.reset(OpARM64NEG)
  7688  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  7689  			v0.AuxInt = int64ToAuxInt(log64(c))
  7690  			v0.AddArg(x)
  7691  			v.AddArg(v0)
  7692  			return true
  7693  		}
  7694  		break
  7695  	}
  7696  	// match: (MNEG x (MOVDconst [c]))
  7697  	// cond: isPowerOfTwo64(c-1) && c >= 3
  7698  	// result: (NEG (ADDshiftLL <x.Type> x x [log64(c-1)]))
  7699  	for {
  7700  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7701  			x := v_0
  7702  			if v_1.Op != OpARM64MOVDconst {
  7703  				continue
  7704  			}
  7705  			c := auxIntToInt64(v_1.AuxInt)
  7706  			if !(isPowerOfTwo64(c-1) && c >= 3) {
  7707  				continue
  7708  			}
  7709  			v.reset(OpARM64NEG)
  7710  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7711  			v0.AuxInt = int64ToAuxInt(log64(c - 1))
  7712  			v0.AddArg2(x, x)
  7713  			v.AddArg(v0)
  7714  			return true
  7715  		}
  7716  		break
  7717  	}
  7718  	// match: (MNEG x (MOVDconst [c]))
  7719  	// cond: isPowerOfTwo64(c+1) && c >= 7
  7720  	// result: (NEG (ADDshiftLL <x.Type> (NEG <x.Type> x) x [log64(c+1)]))
  7721  	for {
  7722  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7723  			x := v_0
  7724  			if v_1.Op != OpARM64MOVDconst {
  7725  				continue
  7726  			}
  7727  			c := auxIntToInt64(v_1.AuxInt)
  7728  			if !(isPowerOfTwo64(c+1) && c >= 7) {
  7729  				continue
  7730  			}
  7731  			v.reset(OpARM64NEG)
  7732  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7733  			v0.AuxInt = int64ToAuxInt(log64(c + 1))
  7734  			v1 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  7735  			v1.AddArg(x)
  7736  			v0.AddArg2(v1, x)
  7737  			v.AddArg(v0)
  7738  			return true
  7739  		}
  7740  		break
  7741  	}
  7742  	// match: (MNEG x (MOVDconst [c]))
  7743  	// cond: c%3 == 0 && isPowerOfTwo64(c/3)
  7744  	// result: (SLLconst <x.Type> [log64(c/3)] (SUBshiftLL <x.Type> x x [2]))
  7745  	for {
  7746  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7747  			x := v_0
  7748  			if v_1.Op != OpARM64MOVDconst {
  7749  				continue
  7750  			}
  7751  			c := auxIntToInt64(v_1.AuxInt)
  7752  			if !(c%3 == 0 && isPowerOfTwo64(c/3)) {
  7753  				continue
  7754  			}
  7755  			v.reset(OpARM64SLLconst)
  7756  			v.Type = x.Type
  7757  			v.AuxInt = int64ToAuxInt(log64(c / 3))
  7758  			v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7759  			v0.AuxInt = int64ToAuxInt(2)
  7760  			v0.AddArg2(x, x)
  7761  			v.AddArg(v0)
  7762  			return true
  7763  		}
  7764  		break
  7765  	}
  7766  	// match: (MNEG x (MOVDconst [c]))
  7767  	// cond: c%5 == 0 && isPowerOfTwo64(c/5)
  7768  	// result: (NEG (SLLconst <x.Type> [log64(c/5)] (ADDshiftLL <x.Type> x x [2])))
  7769  	for {
  7770  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7771  			x := v_0
  7772  			if v_1.Op != OpARM64MOVDconst {
  7773  				continue
  7774  			}
  7775  			c := auxIntToInt64(v_1.AuxInt)
  7776  			if !(c%5 == 0 && isPowerOfTwo64(c/5)) {
  7777  				continue
  7778  			}
  7779  			v.reset(OpARM64NEG)
  7780  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  7781  			v0.AuxInt = int64ToAuxInt(log64(c / 5))
  7782  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7783  			v1.AuxInt = int64ToAuxInt(2)
  7784  			v1.AddArg2(x, x)
  7785  			v0.AddArg(v1)
  7786  			v.AddArg(v0)
  7787  			return true
  7788  		}
  7789  		break
  7790  	}
  7791  	// match: (MNEG x (MOVDconst [c]))
  7792  	// cond: c%7 == 0 && isPowerOfTwo64(c/7)
  7793  	// result: (SLLconst <x.Type> [log64(c/7)] (SUBshiftLL <x.Type> x x [3]))
  7794  	for {
  7795  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7796  			x := v_0
  7797  			if v_1.Op != OpARM64MOVDconst {
  7798  				continue
  7799  			}
  7800  			c := auxIntToInt64(v_1.AuxInt)
  7801  			if !(c%7 == 0 && isPowerOfTwo64(c/7)) {
  7802  				continue
  7803  			}
  7804  			v.reset(OpARM64SLLconst)
  7805  			v.Type = x.Type
  7806  			v.AuxInt = int64ToAuxInt(log64(c / 7))
  7807  			v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7808  			v0.AuxInt = int64ToAuxInt(3)
  7809  			v0.AddArg2(x, x)
  7810  			v.AddArg(v0)
  7811  			return true
  7812  		}
  7813  		break
  7814  	}
  7815  	// match: (MNEG x (MOVDconst [c]))
  7816  	// cond: c%9 == 0 && isPowerOfTwo64(c/9)
  7817  	// result: (NEG (SLLconst <x.Type> [log64(c/9)] (ADDshiftLL <x.Type> x x [3])))
  7818  	for {
  7819  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7820  			x := v_0
  7821  			if v_1.Op != OpARM64MOVDconst {
  7822  				continue
  7823  			}
  7824  			c := auxIntToInt64(v_1.AuxInt)
  7825  			if !(c%9 == 0 && isPowerOfTwo64(c/9)) {
  7826  				continue
  7827  			}
  7828  			v.reset(OpARM64NEG)
  7829  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  7830  			v0.AuxInt = int64ToAuxInt(log64(c / 9))
  7831  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7832  			v1.AuxInt = int64ToAuxInt(3)
  7833  			v1.AddArg2(x, x)
  7834  			v0.AddArg(v1)
  7835  			v.AddArg(v0)
  7836  			return true
  7837  		}
  7838  		break
  7839  	}
  7840  	// match: (MNEG (MOVDconst [c]) (MOVDconst [d]))
  7841  	// result: (MOVDconst [-c*d])
  7842  	for {
  7843  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7844  			if v_0.Op != OpARM64MOVDconst {
  7845  				continue
  7846  			}
  7847  			c := auxIntToInt64(v_0.AuxInt)
  7848  			if v_1.Op != OpARM64MOVDconst {
  7849  				continue
  7850  			}
  7851  			d := auxIntToInt64(v_1.AuxInt)
  7852  			v.reset(OpARM64MOVDconst)
  7853  			v.AuxInt = int64ToAuxInt(-c * d)
  7854  			return true
  7855  		}
  7856  		break
  7857  	}
  7858  	return false
  7859  }
  7860  func rewriteValueARM64_OpARM64MNEGW(v *Value) bool {
  7861  	v_1 := v.Args[1]
  7862  	v_0 := v.Args[0]
  7863  	b := v.Block
  7864  	// match: (MNEGW x (MOVDconst [c]))
  7865  	// cond: int32(c)==-1
  7866  	// result: (MOVWUreg x)
  7867  	for {
  7868  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7869  			x := v_0
  7870  			if v_1.Op != OpARM64MOVDconst {
  7871  				continue
  7872  			}
  7873  			c := auxIntToInt64(v_1.AuxInt)
  7874  			if !(int32(c) == -1) {
  7875  				continue
  7876  			}
  7877  			v.reset(OpARM64MOVWUreg)
  7878  			v.AddArg(x)
  7879  			return true
  7880  		}
  7881  		break
  7882  	}
  7883  	// match: (MNEGW _ (MOVDconst [c]))
  7884  	// cond: int32(c)==0
  7885  	// result: (MOVDconst [0])
  7886  	for {
  7887  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7888  			if v_1.Op != OpARM64MOVDconst {
  7889  				continue
  7890  			}
  7891  			c := auxIntToInt64(v_1.AuxInt)
  7892  			if !(int32(c) == 0) {
  7893  				continue
  7894  			}
  7895  			v.reset(OpARM64MOVDconst)
  7896  			v.AuxInt = int64ToAuxInt(0)
  7897  			return true
  7898  		}
  7899  		break
  7900  	}
  7901  	// match: (MNEGW x (MOVDconst [c]))
  7902  	// cond: int32(c)==1
  7903  	// result: (MOVWUreg (NEG <x.Type> x))
  7904  	for {
  7905  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7906  			x := v_0
  7907  			if v_1.Op != OpARM64MOVDconst {
  7908  				continue
  7909  			}
  7910  			c := auxIntToInt64(v_1.AuxInt)
  7911  			if !(int32(c) == 1) {
  7912  				continue
  7913  			}
  7914  			v.reset(OpARM64MOVWUreg)
  7915  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  7916  			v0.AddArg(x)
  7917  			v.AddArg(v0)
  7918  			return true
  7919  		}
  7920  		break
  7921  	}
  7922  	// match: (MNEGW x (MOVDconst [c]))
  7923  	// cond: isPowerOfTwo64(c)
  7924  	// result: (NEG (SLLconst <x.Type> [log64(c)] x))
  7925  	for {
  7926  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7927  			x := v_0
  7928  			if v_1.Op != OpARM64MOVDconst {
  7929  				continue
  7930  			}
  7931  			c := auxIntToInt64(v_1.AuxInt)
  7932  			if !(isPowerOfTwo64(c)) {
  7933  				continue
  7934  			}
  7935  			v.reset(OpARM64NEG)
  7936  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  7937  			v0.AuxInt = int64ToAuxInt(log64(c))
  7938  			v0.AddArg(x)
  7939  			v.AddArg(v0)
  7940  			return true
  7941  		}
  7942  		break
  7943  	}
  7944  	// match: (MNEGW x (MOVDconst [c]))
  7945  	// cond: isPowerOfTwo64(c-1) && int32(c) >= 3
  7946  	// result: (MOVWUreg (NEG <x.Type> (ADDshiftLL <x.Type> x x [log64(c-1)])))
  7947  	for {
  7948  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7949  			x := v_0
  7950  			if v_1.Op != OpARM64MOVDconst {
  7951  				continue
  7952  			}
  7953  			c := auxIntToInt64(v_1.AuxInt)
  7954  			if !(isPowerOfTwo64(c-1) && int32(c) >= 3) {
  7955  				continue
  7956  			}
  7957  			v.reset(OpARM64MOVWUreg)
  7958  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  7959  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7960  			v1.AuxInt = int64ToAuxInt(log64(c - 1))
  7961  			v1.AddArg2(x, x)
  7962  			v0.AddArg(v1)
  7963  			v.AddArg(v0)
  7964  			return true
  7965  		}
  7966  		break
  7967  	}
  7968  	// match: (MNEGW x (MOVDconst [c]))
  7969  	// cond: isPowerOfTwo64(c+1) && int32(c) >= 7
  7970  	// result: (MOVWUreg (NEG <x.Type> (ADDshiftLL <x.Type> (NEG <x.Type> x) x [log64(c+1)])))
  7971  	for {
  7972  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7973  			x := v_0
  7974  			if v_1.Op != OpARM64MOVDconst {
  7975  				continue
  7976  			}
  7977  			c := auxIntToInt64(v_1.AuxInt)
  7978  			if !(isPowerOfTwo64(c+1) && int32(c) >= 7) {
  7979  				continue
  7980  			}
  7981  			v.reset(OpARM64MOVWUreg)
  7982  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  7983  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7984  			v1.AuxInt = int64ToAuxInt(log64(c + 1))
  7985  			v2 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  7986  			v2.AddArg(x)
  7987  			v1.AddArg2(v2, x)
  7988  			v0.AddArg(v1)
  7989  			v.AddArg(v0)
  7990  			return true
  7991  		}
  7992  		break
  7993  	}
  7994  	// match: (MNEGW x (MOVDconst [c]))
  7995  	// cond: c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)
  7996  	// result: (MOVWUreg (SLLconst <x.Type> [log64(c/3)] (SUBshiftLL <x.Type> x x [2])))
  7997  	for {
  7998  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7999  			x := v_0
  8000  			if v_1.Op != OpARM64MOVDconst {
  8001  				continue
  8002  			}
  8003  			c := auxIntToInt64(v_1.AuxInt)
  8004  			if !(c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)) {
  8005  				continue
  8006  			}
  8007  			v.reset(OpARM64MOVWUreg)
  8008  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  8009  			v0.AuxInt = int64ToAuxInt(log64(c / 3))
  8010  			v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  8011  			v1.AuxInt = int64ToAuxInt(2)
  8012  			v1.AddArg2(x, x)
  8013  			v0.AddArg(v1)
  8014  			v.AddArg(v0)
  8015  			return true
  8016  		}
  8017  		break
  8018  	}
  8019  	// match: (MNEGW x (MOVDconst [c]))
  8020  	// cond: c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)
  8021  	// result: (MOVWUreg (NEG <x.Type> (SLLconst <x.Type> [log64(c/5)] (ADDshiftLL <x.Type> x x [2]))))
  8022  	for {
  8023  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  8024  			x := v_0
  8025  			if v_1.Op != OpARM64MOVDconst {
  8026  				continue
  8027  			}
  8028  			c := auxIntToInt64(v_1.AuxInt)
  8029  			if !(c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)) {
  8030  				continue
  8031  			}
  8032  			v.reset(OpARM64MOVWUreg)
  8033  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  8034  			v1 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  8035  			v1.AuxInt = int64ToAuxInt(log64(c / 5))
  8036  			v2 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  8037  			v2.AuxInt = int64ToAuxInt(2)
  8038  			v2.AddArg2(x, x)
  8039  			v1.AddArg(v2)
  8040  			v0.AddArg(v1)
  8041  			v.AddArg(v0)
  8042  			return true
  8043  		}
  8044  		break
  8045  	}
  8046  	// match: (MNEGW x (MOVDconst [c]))
  8047  	// cond: c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)
  8048  	// result: (MOVWUreg (SLLconst <x.Type> [log64(c/7)] (SUBshiftLL <x.Type> x x [3])))
  8049  	for {
  8050  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  8051  			x := v_0
  8052  			if v_1.Op != OpARM64MOVDconst {
  8053  				continue
  8054  			}
  8055  			c := auxIntToInt64(v_1.AuxInt)
  8056  			if !(c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)) {
  8057  				continue
  8058  			}
  8059  			v.reset(OpARM64MOVWUreg)
  8060  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  8061  			v0.AuxInt = int64ToAuxInt(log64(c / 7))
  8062  			v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  8063  			v1.AuxInt = int64ToAuxInt(3)
  8064  			v1.AddArg2(x, x)
  8065  			v0.AddArg(v1)
  8066  			v.AddArg(v0)
  8067  			return true
  8068  		}
  8069  		break
  8070  	}
  8071  	// match: (MNEGW x (MOVDconst [c]))
  8072  	// cond: c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)
  8073  	// result: (MOVWUreg (NEG <x.Type> (SLLconst <x.Type> [log64(c/9)] (ADDshiftLL <x.Type> x x [3]))))
  8074  	for {
  8075  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  8076  			x := v_0
  8077  			if v_1.Op != OpARM64MOVDconst {
  8078  				continue
  8079  			}
  8080  			c := auxIntToInt64(v_1.AuxInt)
  8081  			if !(c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)) {
  8082  				continue
  8083  			}
  8084  			v.reset(OpARM64MOVWUreg)
  8085  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  8086  			v1 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  8087  			v1.AuxInt = int64ToAuxInt(log64(c / 9))
  8088  			v2 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  8089  			v2.AuxInt = int64ToAuxInt(3)
  8090  			v2.AddArg2(x, x)
  8091  			v1.AddArg(v2)
  8092  			v0.AddArg(v1)
  8093  			v.AddArg(v0)
  8094  			return true
  8095  		}
  8096  		break
  8097  	}
  8098  	// match: (MNEGW (MOVDconst [c]) (MOVDconst [d]))
  8099  	// result: (MOVDconst [int64(uint32(-c*d))])
  8100  	for {
  8101  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  8102  			if v_0.Op != OpARM64MOVDconst {
  8103  				continue
  8104  			}
  8105  			c := auxIntToInt64(v_0.AuxInt)
  8106  			if v_1.Op != OpARM64MOVDconst {
  8107  				continue
  8108  			}
  8109  			d := auxIntToInt64(v_1.AuxInt)
  8110  			v.reset(OpARM64MOVDconst)
  8111  			v.AuxInt = int64ToAuxInt(int64(uint32(-c * d)))
  8112  			return true
  8113  		}
  8114  		break
  8115  	}
  8116  	return false
  8117  }
  8118  func rewriteValueARM64_OpARM64MOD(v *Value) bool {
  8119  	v_1 := v.Args[1]
  8120  	v_0 := v.Args[0]
  8121  	// match: (MOD (MOVDconst [c]) (MOVDconst [d]))
  8122  	// cond: d != 0
  8123  	// result: (MOVDconst [c%d])
  8124  	for {
  8125  		if v_0.Op != OpARM64MOVDconst {
  8126  			break
  8127  		}
  8128  		c := auxIntToInt64(v_0.AuxInt)
  8129  		if v_1.Op != OpARM64MOVDconst {
  8130  			break
  8131  		}
  8132  		d := auxIntToInt64(v_1.AuxInt)
  8133  		if !(d != 0) {
  8134  			break
  8135  		}
  8136  		v.reset(OpARM64MOVDconst)
  8137  		v.AuxInt = int64ToAuxInt(c % d)
  8138  		return true
  8139  	}
  8140  	return false
  8141  }
  8142  func rewriteValueARM64_OpARM64MODW(v *Value) bool {
  8143  	v_1 := v.Args[1]
  8144  	v_0 := v.Args[0]
  8145  	// match: (MODW (MOVDconst [c]) (MOVDconst [d]))
  8146  	// cond: d != 0
  8147  	// result: (MOVDconst [int64(uint32(int32(c)%int32(d)))])
  8148  	for {
  8149  		if v_0.Op != OpARM64MOVDconst {
  8150  			break
  8151  		}
  8152  		c := auxIntToInt64(v_0.AuxInt)
  8153  		if v_1.Op != OpARM64MOVDconst {
  8154  			break
  8155  		}
  8156  		d := auxIntToInt64(v_1.AuxInt)
  8157  		if !(d != 0) {
  8158  			break
  8159  		}
  8160  		v.reset(OpARM64MOVDconst)
  8161  		v.AuxInt = int64ToAuxInt(int64(uint32(int32(c) % int32(d))))
  8162  		return true
  8163  	}
  8164  	return false
  8165  }
  8166  func rewriteValueARM64_OpARM64MOVBUload(v *Value) bool {
  8167  	v_1 := v.Args[1]
  8168  	v_0 := v.Args[0]
  8169  	b := v.Block
  8170  	config := b.Func.Config
  8171  	// match: (MOVBUload [off1] {sym} (ADDconst [off2] ptr) mem)
  8172  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  8173  	// result: (MOVBUload [off1+int32(off2)] {sym} ptr mem)
  8174  	for {
  8175  		off1 := auxIntToInt32(v.AuxInt)
  8176  		sym := auxToSym(v.Aux)
  8177  		if v_0.Op != OpARM64ADDconst {
  8178  			break
  8179  		}
  8180  		off2 := auxIntToInt64(v_0.AuxInt)
  8181  		ptr := v_0.Args[0]
  8182  		mem := v_1
  8183  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  8184  			break
  8185  		}
  8186  		v.reset(OpARM64MOVBUload)
  8187  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  8188  		v.Aux = symToAux(sym)
  8189  		v.AddArg2(ptr, mem)
  8190  		return true
  8191  	}
  8192  	// match: (MOVBUload [off] {sym} (ADD ptr idx) mem)
  8193  	// cond: off == 0 && sym == nil
  8194  	// result: (MOVBUloadidx ptr idx mem)
  8195  	for {
  8196  		off := auxIntToInt32(v.AuxInt)
  8197  		sym := auxToSym(v.Aux)
  8198  		if v_0.Op != OpARM64ADD {
  8199  			break
  8200  		}
  8201  		idx := v_0.Args[1]
  8202  		ptr := v_0.Args[0]
  8203  		mem := v_1
  8204  		if !(off == 0 && sym == nil) {
  8205  			break
  8206  		}
  8207  		v.reset(OpARM64MOVBUloadidx)
  8208  		v.AddArg3(ptr, idx, mem)
  8209  		return true
  8210  	}
  8211  	// match: (MOVBUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  8212  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  8213  	// result: (MOVBUload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  8214  	for {
  8215  		off1 := auxIntToInt32(v.AuxInt)
  8216  		sym1 := auxToSym(v.Aux)
  8217  		if v_0.Op != OpARM64MOVDaddr {
  8218  			break
  8219  		}
  8220  		off2 := auxIntToInt32(v_0.AuxInt)
  8221  		sym2 := auxToSym(v_0.Aux)
  8222  		ptr := v_0.Args[0]
  8223  		mem := v_1
  8224  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  8225  			break
  8226  		}
  8227  		v.reset(OpARM64MOVBUload)
  8228  		v.AuxInt = int32ToAuxInt(off1 + off2)
  8229  		v.Aux = symToAux(mergeSym(sym1, sym2))
  8230  		v.AddArg2(ptr, mem)
  8231  		return true
  8232  	}
  8233  	// match: (MOVBUload [off] {sym} ptr (MOVBstorezero [off2] {sym2} ptr2 _))
  8234  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  8235  	// result: (MOVDconst [0])
  8236  	for {
  8237  		off := auxIntToInt32(v.AuxInt)
  8238  		sym := auxToSym(v.Aux)
  8239  		ptr := v_0
  8240  		if v_1.Op != OpARM64MOVBstorezero {
  8241  			break
  8242  		}
  8243  		off2 := auxIntToInt32(v_1.AuxInt)
  8244  		sym2 := auxToSym(v_1.Aux)
  8245  		ptr2 := v_1.Args[0]
  8246  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  8247  			break
  8248  		}
  8249  		v.reset(OpARM64MOVDconst)
  8250  		v.AuxInt = int64ToAuxInt(0)
  8251  		return true
  8252  	}
  8253  	// match: (MOVBUload [off] {sym} (SB) _)
  8254  	// cond: symIsRO(sym)
  8255  	// result: (MOVDconst [int64(read8(sym, int64(off)))])
  8256  	for {
  8257  		off := auxIntToInt32(v.AuxInt)
  8258  		sym := auxToSym(v.Aux)
  8259  		if v_0.Op != OpSB || !(symIsRO(sym)) {
  8260  			break
  8261  		}
  8262  		v.reset(OpARM64MOVDconst)
  8263  		v.AuxInt = int64ToAuxInt(int64(read8(sym, int64(off))))
  8264  		return true
  8265  	}
  8266  	return false
  8267  }
  8268  func rewriteValueARM64_OpARM64MOVBUloadidx(v *Value) bool {
  8269  	v_2 := v.Args[2]
  8270  	v_1 := v.Args[1]
  8271  	v_0 := v.Args[0]
  8272  	// match: (MOVBUloadidx ptr (MOVDconst [c]) mem)
  8273  	// cond: is32Bit(c)
  8274  	// result: (MOVBUload [int32(c)] ptr mem)
  8275  	for {
  8276  		ptr := v_0
  8277  		if v_1.Op != OpARM64MOVDconst {
  8278  			break
  8279  		}
  8280  		c := auxIntToInt64(v_1.AuxInt)
  8281  		mem := v_2
  8282  		if !(is32Bit(c)) {
  8283  			break
  8284  		}
  8285  		v.reset(OpARM64MOVBUload)
  8286  		v.AuxInt = int32ToAuxInt(int32(c))
  8287  		v.AddArg2(ptr, mem)
  8288  		return true
  8289  	}
  8290  	// match: (MOVBUloadidx (MOVDconst [c]) ptr mem)
  8291  	// cond: is32Bit(c)
  8292  	// result: (MOVBUload [int32(c)] ptr mem)
  8293  	for {
  8294  		if v_0.Op != OpARM64MOVDconst {
  8295  			break
  8296  		}
  8297  		c := auxIntToInt64(v_0.AuxInt)
  8298  		ptr := v_1
  8299  		mem := v_2
  8300  		if !(is32Bit(c)) {
  8301  			break
  8302  		}
  8303  		v.reset(OpARM64MOVBUload)
  8304  		v.AuxInt = int32ToAuxInt(int32(c))
  8305  		v.AddArg2(ptr, mem)
  8306  		return true
  8307  	}
  8308  	// match: (MOVBUloadidx ptr idx (MOVBstorezeroidx ptr2 idx2 _))
  8309  	// cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2))
  8310  	// result: (MOVDconst [0])
  8311  	for {
  8312  		ptr := v_0
  8313  		idx := v_1
  8314  		if v_2.Op != OpARM64MOVBstorezeroidx {
  8315  			break
  8316  		}
  8317  		idx2 := v_2.Args[1]
  8318  		ptr2 := v_2.Args[0]
  8319  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) {
  8320  			break
  8321  		}
  8322  		v.reset(OpARM64MOVDconst)
  8323  		v.AuxInt = int64ToAuxInt(0)
  8324  		return true
  8325  	}
  8326  	return false
  8327  }
  8328  func rewriteValueARM64_OpARM64MOVBUreg(v *Value) bool {
  8329  	v_0 := v.Args[0]
  8330  	// match: (MOVBUreg (ANDconst [c] x))
  8331  	// result: (ANDconst [c&(1<<8-1)] x)
  8332  	for {
  8333  		if v_0.Op != OpARM64ANDconst {
  8334  			break
  8335  		}
  8336  		c := auxIntToInt64(v_0.AuxInt)
  8337  		x := v_0.Args[0]
  8338  		v.reset(OpARM64ANDconst)
  8339  		v.AuxInt = int64ToAuxInt(c & (1<<8 - 1))
  8340  		v.AddArg(x)
  8341  		return true
  8342  	}
  8343  	// match: (MOVBUreg (MOVDconst [c]))
  8344  	// result: (MOVDconst [int64(uint8(c))])
  8345  	for {
  8346  		if v_0.Op != OpARM64MOVDconst {
  8347  			break
  8348  		}
  8349  		c := auxIntToInt64(v_0.AuxInt)
  8350  		v.reset(OpARM64MOVDconst)
  8351  		v.AuxInt = int64ToAuxInt(int64(uint8(c)))
  8352  		return true
  8353  	}
  8354  	// match: (MOVBUreg x)
  8355  	// cond: v.Type.Size() <= 1
  8356  	// result: x
  8357  	for {
  8358  		x := v_0
  8359  		if !(v.Type.Size() <= 1) {
  8360  			break
  8361  		}
  8362  		v.copyOf(x)
  8363  		return true
  8364  	}
  8365  	// match: (MOVBUreg (SLLconst [lc] x))
  8366  	// cond: lc >= 8
  8367  	// result: (MOVDconst [0])
  8368  	for {
  8369  		if v_0.Op != OpARM64SLLconst {
  8370  			break
  8371  		}
  8372  		lc := auxIntToInt64(v_0.AuxInt)
  8373  		if !(lc >= 8) {
  8374  			break
  8375  		}
  8376  		v.reset(OpARM64MOVDconst)
  8377  		v.AuxInt = int64ToAuxInt(0)
  8378  		return true
  8379  	}
  8380  	// match: (MOVBUreg (SLLconst [lc] x))
  8381  	// cond: lc < 8
  8382  	// result: (UBFIZ [armBFAuxInt(lc, 8-lc)] x)
  8383  	for {
  8384  		if v_0.Op != OpARM64SLLconst {
  8385  			break
  8386  		}
  8387  		lc := auxIntToInt64(v_0.AuxInt)
  8388  		x := v_0.Args[0]
  8389  		if !(lc < 8) {
  8390  			break
  8391  		}
  8392  		v.reset(OpARM64UBFIZ)
  8393  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 8-lc))
  8394  		v.AddArg(x)
  8395  		return true
  8396  	}
  8397  	// match: (MOVBUreg (SRLconst [rc] x))
  8398  	// cond: rc < 8
  8399  	// result: (UBFX [armBFAuxInt(rc, 8)] x)
  8400  	for {
  8401  		if v_0.Op != OpARM64SRLconst {
  8402  			break
  8403  		}
  8404  		rc := auxIntToInt64(v_0.AuxInt)
  8405  		x := v_0.Args[0]
  8406  		if !(rc < 8) {
  8407  			break
  8408  		}
  8409  		v.reset(OpARM64UBFX)
  8410  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 8))
  8411  		v.AddArg(x)
  8412  		return true
  8413  	}
  8414  	// match: (MOVBUreg (UBFX [bfc] x))
  8415  	// cond: bfc.getARM64BFwidth() <= 8
  8416  	// result: (UBFX [bfc] x)
  8417  	for {
  8418  		if v_0.Op != OpARM64UBFX {
  8419  			break
  8420  		}
  8421  		bfc := auxIntToArm64BitField(v_0.AuxInt)
  8422  		x := v_0.Args[0]
  8423  		if !(bfc.getARM64BFwidth() <= 8) {
  8424  			break
  8425  		}
  8426  		v.reset(OpARM64UBFX)
  8427  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
  8428  		v.AddArg(x)
  8429  		return true
  8430  	}
  8431  	return false
  8432  }
  8433  func rewriteValueARM64_OpARM64MOVBload(v *Value) bool {
  8434  	v_1 := v.Args[1]
  8435  	v_0 := v.Args[0]
  8436  	b := v.Block
  8437  	config := b.Func.Config
  8438  	// match: (MOVBload [off1] {sym} (ADDconst [off2] ptr) mem)
  8439  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  8440  	// result: (MOVBload [off1+int32(off2)] {sym} ptr mem)
  8441  	for {
  8442  		off1 := auxIntToInt32(v.AuxInt)
  8443  		sym := auxToSym(v.Aux)
  8444  		if v_0.Op != OpARM64ADDconst {
  8445  			break
  8446  		}
  8447  		off2 := auxIntToInt64(v_0.AuxInt)
  8448  		ptr := v_0.Args[0]
  8449  		mem := v_1
  8450  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  8451  			break
  8452  		}
  8453  		v.reset(OpARM64MOVBload)
  8454  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  8455  		v.Aux = symToAux(sym)
  8456  		v.AddArg2(ptr, mem)
  8457  		return true
  8458  	}
  8459  	// match: (MOVBload [off] {sym} (ADD ptr idx) mem)
  8460  	// cond: off == 0 && sym == nil
  8461  	// result: (MOVBloadidx ptr idx mem)
  8462  	for {
  8463  		off := auxIntToInt32(v.AuxInt)
  8464  		sym := auxToSym(v.Aux)
  8465  		if v_0.Op != OpARM64ADD {
  8466  			break
  8467  		}
  8468  		idx := v_0.Args[1]
  8469  		ptr := v_0.Args[0]
  8470  		mem := v_1
  8471  		if !(off == 0 && sym == nil) {
  8472  			break
  8473  		}
  8474  		v.reset(OpARM64MOVBloadidx)
  8475  		v.AddArg3(ptr, idx, mem)
  8476  		return true
  8477  	}
  8478  	// match: (MOVBload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  8479  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  8480  	// result: (MOVBload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  8481  	for {
  8482  		off1 := auxIntToInt32(v.AuxInt)
  8483  		sym1 := auxToSym(v.Aux)
  8484  		if v_0.Op != OpARM64MOVDaddr {
  8485  			break
  8486  		}
  8487  		off2 := auxIntToInt32(v_0.AuxInt)
  8488  		sym2 := auxToSym(v_0.Aux)
  8489  		ptr := v_0.Args[0]
  8490  		mem := v_1
  8491  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  8492  			break
  8493  		}
  8494  		v.reset(OpARM64MOVBload)
  8495  		v.AuxInt = int32ToAuxInt(off1 + off2)
  8496  		v.Aux = symToAux(mergeSym(sym1, sym2))
  8497  		v.AddArg2(ptr, mem)
  8498  		return true
  8499  	}
  8500  	// match: (MOVBload [off] {sym} ptr (MOVBstorezero [off2] {sym2} ptr2 _))
  8501  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  8502  	// result: (MOVDconst [0])
  8503  	for {
  8504  		off := auxIntToInt32(v.AuxInt)
  8505  		sym := auxToSym(v.Aux)
  8506  		ptr := v_0
  8507  		if v_1.Op != OpARM64MOVBstorezero {
  8508  			break
  8509  		}
  8510  		off2 := auxIntToInt32(v_1.AuxInt)
  8511  		sym2 := auxToSym(v_1.Aux)
  8512  		ptr2 := v_1.Args[0]
  8513  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  8514  			break
  8515  		}
  8516  		v.reset(OpARM64MOVDconst)
  8517  		v.AuxInt = int64ToAuxInt(0)
  8518  		return true
  8519  	}
  8520  	return false
  8521  }
  8522  func rewriteValueARM64_OpARM64MOVBloadidx(v *Value) bool {
  8523  	v_2 := v.Args[2]
  8524  	v_1 := v.Args[1]
  8525  	v_0 := v.Args[0]
  8526  	// match: (MOVBloadidx ptr (MOVDconst [c]) mem)
  8527  	// cond: is32Bit(c)
  8528  	// result: (MOVBload [int32(c)] ptr mem)
  8529  	for {
  8530  		ptr := v_0
  8531  		if v_1.Op != OpARM64MOVDconst {
  8532  			break
  8533  		}
  8534  		c := auxIntToInt64(v_1.AuxInt)
  8535  		mem := v_2
  8536  		if !(is32Bit(c)) {
  8537  			break
  8538  		}
  8539  		v.reset(OpARM64MOVBload)
  8540  		v.AuxInt = int32ToAuxInt(int32(c))
  8541  		v.AddArg2(ptr, mem)
  8542  		return true
  8543  	}
  8544  	// match: (MOVBloadidx (MOVDconst [c]) ptr mem)
  8545  	// cond: is32Bit(c)
  8546  	// result: (MOVBload [int32(c)] ptr mem)
  8547  	for {
  8548  		if v_0.Op != OpARM64MOVDconst {
  8549  			break
  8550  		}
  8551  		c := auxIntToInt64(v_0.AuxInt)
  8552  		ptr := v_1
  8553  		mem := v_2
  8554  		if !(is32Bit(c)) {
  8555  			break
  8556  		}
  8557  		v.reset(OpARM64MOVBload)
  8558  		v.AuxInt = int32ToAuxInt(int32(c))
  8559  		v.AddArg2(ptr, mem)
  8560  		return true
  8561  	}
  8562  	// match: (MOVBloadidx ptr idx (MOVBstorezeroidx ptr2 idx2 _))
  8563  	// cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2))
  8564  	// result: (MOVDconst [0])
  8565  	for {
  8566  		ptr := v_0
  8567  		idx := v_1
  8568  		if v_2.Op != OpARM64MOVBstorezeroidx {
  8569  			break
  8570  		}
  8571  		idx2 := v_2.Args[1]
  8572  		ptr2 := v_2.Args[0]
  8573  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) {
  8574  			break
  8575  		}
  8576  		v.reset(OpARM64MOVDconst)
  8577  		v.AuxInt = int64ToAuxInt(0)
  8578  		return true
  8579  	}
  8580  	return false
  8581  }
  8582  func rewriteValueARM64_OpARM64MOVBreg(v *Value) bool {
  8583  	v_0 := v.Args[0]
  8584  	// match: (MOVBreg (MOVDconst [c]))
  8585  	// result: (MOVDconst [int64(int8(c))])
  8586  	for {
  8587  		if v_0.Op != OpARM64MOVDconst {
  8588  			break
  8589  		}
  8590  		c := auxIntToInt64(v_0.AuxInt)
  8591  		v.reset(OpARM64MOVDconst)
  8592  		v.AuxInt = int64ToAuxInt(int64(int8(c)))
  8593  		return true
  8594  	}
  8595  	// match: (MOVBreg x)
  8596  	// cond: v.Type.Size() <= 1
  8597  	// result: x
  8598  	for {
  8599  		x := v_0
  8600  		if !(v.Type.Size() <= 1) {
  8601  			break
  8602  		}
  8603  		v.copyOf(x)
  8604  		return true
  8605  	}
  8606  	// match: (MOVBreg <t> (ANDconst x [c]))
  8607  	// cond: uint64(c) & uint64(0xffffffffffffff80) == 0
  8608  	// result: (ANDconst <t> x [c])
  8609  	for {
  8610  		t := v.Type
  8611  		if v_0.Op != OpARM64ANDconst {
  8612  			break
  8613  		}
  8614  		c := auxIntToInt64(v_0.AuxInt)
  8615  		x := v_0.Args[0]
  8616  		if !(uint64(c)&uint64(0xffffffffffffff80) == 0) {
  8617  			break
  8618  		}
  8619  		v.reset(OpARM64ANDconst)
  8620  		v.Type = t
  8621  		v.AuxInt = int64ToAuxInt(c)
  8622  		v.AddArg(x)
  8623  		return true
  8624  	}
  8625  	// match: (MOVBreg (SLLconst [lc] x))
  8626  	// cond: lc < 8
  8627  	// result: (SBFIZ [armBFAuxInt(lc, 8-lc)] x)
  8628  	for {
  8629  		if v_0.Op != OpARM64SLLconst {
  8630  			break
  8631  		}
  8632  		lc := auxIntToInt64(v_0.AuxInt)
  8633  		x := v_0.Args[0]
  8634  		if !(lc < 8) {
  8635  			break
  8636  		}
  8637  		v.reset(OpARM64SBFIZ)
  8638  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 8-lc))
  8639  		v.AddArg(x)
  8640  		return true
  8641  	}
  8642  	// match: (MOVBreg (SBFX [bfc] x))
  8643  	// cond: bfc.getARM64BFwidth() <= 8
  8644  	// result: (SBFX [bfc] x)
  8645  	for {
  8646  		if v_0.Op != OpARM64SBFX {
  8647  			break
  8648  		}
  8649  		bfc := auxIntToArm64BitField(v_0.AuxInt)
  8650  		x := v_0.Args[0]
  8651  		if !(bfc.getARM64BFwidth() <= 8) {
  8652  			break
  8653  		}
  8654  		v.reset(OpARM64SBFX)
  8655  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
  8656  		v.AddArg(x)
  8657  		return true
  8658  	}
  8659  	return false
  8660  }
  8661  func rewriteValueARM64_OpARM64MOVBstore(v *Value) bool {
  8662  	v_2 := v.Args[2]
  8663  	v_1 := v.Args[1]
  8664  	v_0 := v.Args[0]
  8665  	b := v.Block
  8666  	config := b.Func.Config
  8667  	// match: (MOVBstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  8668  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  8669  	// result: (MOVBstore [off1+int32(off2)] {sym} ptr val mem)
  8670  	for {
  8671  		off1 := auxIntToInt32(v.AuxInt)
  8672  		sym := auxToSym(v.Aux)
  8673  		if v_0.Op != OpARM64ADDconst {
  8674  			break
  8675  		}
  8676  		off2 := auxIntToInt64(v_0.AuxInt)
  8677  		ptr := v_0.Args[0]
  8678  		val := v_1
  8679  		mem := v_2
  8680  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  8681  			break
  8682  		}
  8683  		v.reset(OpARM64MOVBstore)
  8684  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  8685  		v.Aux = symToAux(sym)
  8686  		v.AddArg3(ptr, val, mem)
  8687  		return true
  8688  	}
  8689  	// match: (MOVBstore [off] {sym} (ADD ptr idx) val mem)
  8690  	// cond: off == 0 && sym == nil
  8691  	// result: (MOVBstoreidx ptr idx val mem)
  8692  	for {
  8693  		off := auxIntToInt32(v.AuxInt)
  8694  		sym := auxToSym(v.Aux)
  8695  		if v_0.Op != OpARM64ADD {
  8696  			break
  8697  		}
  8698  		idx := v_0.Args[1]
  8699  		ptr := v_0.Args[0]
  8700  		val := v_1
  8701  		mem := v_2
  8702  		if !(off == 0 && sym == nil) {
  8703  			break
  8704  		}
  8705  		v.reset(OpARM64MOVBstoreidx)
  8706  		v.AddArg4(ptr, idx, val, mem)
  8707  		return true
  8708  	}
  8709  	// match: (MOVBstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
  8710  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  8711  	// result: (MOVBstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
  8712  	for {
  8713  		off1 := auxIntToInt32(v.AuxInt)
  8714  		sym1 := auxToSym(v.Aux)
  8715  		if v_0.Op != OpARM64MOVDaddr {
  8716  			break
  8717  		}
  8718  		off2 := auxIntToInt32(v_0.AuxInt)
  8719  		sym2 := auxToSym(v_0.Aux)
  8720  		ptr := v_0.Args[0]
  8721  		val := v_1
  8722  		mem := v_2
  8723  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  8724  			break
  8725  		}
  8726  		v.reset(OpARM64MOVBstore)
  8727  		v.AuxInt = int32ToAuxInt(off1 + off2)
  8728  		v.Aux = symToAux(mergeSym(sym1, sym2))
  8729  		v.AddArg3(ptr, val, mem)
  8730  		return true
  8731  	}
  8732  	// match: (MOVBstore [off] {sym} ptr (MOVDconst [0]) mem)
  8733  	// result: (MOVBstorezero [off] {sym} ptr mem)
  8734  	for {
  8735  		off := auxIntToInt32(v.AuxInt)
  8736  		sym := auxToSym(v.Aux)
  8737  		ptr := v_0
  8738  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  8739  			break
  8740  		}
  8741  		mem := v_2
  8742  		v.reset(OpARM64MOVBstorezero)
  8743  		v.AuxInt = int32ToAuxInt(off)
  8744  		v.Aux = symToAux(sym)
  8745  		v.AddArg2(ptr, mem)
  8746  		return true
  8747  	}
  8748  	// match: (MOVBstore [off] {sym} ptr (MOVBreg x) mem)
  8749  	// result: (MOVBstore [off] {sym} ptr x mem)
  8750  	for {
  8751  		off := auxIntToInt32(v.AuxInt)
  8752  		sym := auxToSym(v.Aux)
  8753  		ptr := v_0
  8754  		if v_1.Op != OpARM64MOVBreg {
  8755  			break
  8756  		}
  8757  		x := v_1.Args[0]
  8758  		mem := v_2
  8759  		v.reset(OpARM64MOVBstore)
  8760  		v.AuxInt = int32ToAuxInt(off)
  8761  		v.Aux = symToAux(sym)
  8762  		v.AddArg3(ptr, x, mem)
  8763  		return true
  8764  	}
  8765  	// match: (MOVBstore [off] {sym} ptr (MOVBUreg x) mem)
  8766  	// result: (MOVBstore [off] {sym} ptr x mem)
  8767  	for {
  8768  		off := auxIntToInt32(v.AuxInt)
  8769  		sym := auxToSym(v.Aux)
  8770  		ptr := v_0
  8771  		if v_1.Op != OpARM64MOVBUreg {
  8772  			break
  8773  		}
  8774  		x := v_1.Args[0]
  8775  		mem := v_2
  8776  		v.reset(OpARM64MOVBstore)
  8777  		v.AuxInt = int32ToAuxInt(off)
  8778  		v.Aux = symToAux(sym)
  8779  		v.AddArg3(ptr, x, mem)
  8780  		return true
  8781  	}
  8782  	// match: (MOVBstore [off] {sym} ptr (MOVHreg x) mem)
  8783  	// result: (MOVBstore [off] {sym} ptr x mem)
  8784  	for {
  8785  		off := auxIntToInt32(v.AuxInt)
  8786  		sym := auxToSym(v.Aux)
  8787  		ptr := v_0
  8788  		if v_1.Op != OpARM64MOVHreg {
  8789  			break
  8790  		}
  8791  		x := v_1.Args[0]
  8792  		mem := v_2
  8793  		v.reset(OpARM64MOVBstore)
  8794  		v.AuxInt = int32ToAuxInt(off)
  8795  		v.Aux = symToAux(sym)
  8796  		v.AddArg3(ptr, x, mem)
  8797  		return true
  8798  	}
  8799  	// match: (MOVBstore [off] {sym} ptr (MOVHUreg x) mem)
  8800  	// result: (MOVBstore [off] {sym} ptr x mem)
  8801  	for {
  8802  		off := auxIntToInt32(v.AuxInt)
  8803  		sym := auxToSym(v.Aux)
  8804  		ptr := v_0
  8805  		if v_1.Op != OpARM64MOVHUreg {
  8806  			break
  8807  		}
  8808  		x := v_1.Args[0]
  8809  		mem := v_2
  8810  		v.reset(OpARM64MOVBstore)
  8811  		v.AuxInt = int32ToAuxInt(off)
  8812  		v.Aux = symToAux(sym)
  8813  		v.AddArg3(ptr, x, mem)
  8814  		return true
  8815  	}
  8816  	// match: (MOVBstore [off] {sym} ptr (MOVWreg x) mem)
  8817  	// result: (MOVBstore [off] {sym} ptr x mem)
  8818  	for {
  8819  		off := auxIntToInt32(v.AuxInt)
  8820  		sym := auxToSym(v.Aux)
  8821  		ptr := v_0
  8822  		if v_1.Op != OpARM64MOVWreg {
  8823  			break
  8824  		}
  8825  		x := v_1.Args[0]
  8826  		mem := v_2
  8827  		v.reset(OpARM64MOVBstore)
  8828  		v.AuxInt = int32ToAuxInt(off)
  8829  		v.Aux = symToAux(sym)
  8830  		v.AddArg3(ptr, x, mem)
  8831  		return true
  8832  	}
  8833  	// match: (MOVBstore [off] {sym} ptr (MOVWUreg x) mem)
  8834  	// result: (MOVBstore [off] {sym} ptr x mem)
  8835  	for {
  8836  		off := auxIntToInt32(v.AuxInt)
  8837  		sym := auxToSym(v.Aux)
  8838  		ptr := v_0
  8839  		if v_1.Op != OpARM64MOVWUreg {
  8840  			break
  8841  		}
  8842  		x := v_1.Args[0]
  8843  		mem := v_2
  8844  		v.reset(OpARM64MOVBstore)
  8845  		v.AuxInt = int32ToAuxInt(off)
  8846  		v.Aux = symToAux(sym)
  8847  		v.AddArg3(ptr, x, mem)
  8848  		return true
  8849  	}
  8850  	return false
  8851  }
  8852  func rewriteValueARM64_OpARM64MOVBstoreidx(v *Value) bool {
  8853  	v_3 := v.Args[3]
  8854  	v_2 := v.Args[2]
  8855  	v_1 := v.Args[1]
  8856  	v_0 := v.Args[0]
  8857  	// match: (MOVBstoreidx ptr (MOVDconst [c]) val mem)
  8858  	// cond: is32Bit(c)
  8859  	// result: (MOVBstore [int32(c)] ptr val mem)
  8860  	for {
  8861  		ptr := v_0
  8862  		if v_1.Op != OpARM64MOVDconst {
  8863  			break
  8864  		}
  8865  		c := auxIntToInt64(v_1.AuxInt)
  8866  		val := v_2
  8867  		mem := v_3
  8868  		if !(is32Bit(c)) {
  8869  			break
  8870  		}
  8871  		v.reset(OpARM64MOVBstore)
  8872  		v.AuxInt = int32ToAuxInt(int32(c))
  8873  		v.AddArg3(ptr, val, mem)
  8874  		return true
  8875  	}
  8876  	// match: (MOVBstoreidx (MOVDconst [c]) idx val mem)
  8877  	// cond: is32Bit(c)
  8878  	// result: (MOVBstore [int32(c)] idx val mem)
  8879  	for {
  8880  		if v_0.Op != OpARM64MOVDconst {
  8881  			break
  8882  		}
  8883  		c := auxIntToInt64(v_0.AuxInt)
  8884  		idx := v_1
  8885  		val := v_2
  8886  		mem := v_3
  8887  		if !(is32Bit(c)) {
  8888  			break
  8889  		}
  8890  		v.reset(OpARM64MOVBstore)
  8891  		v.AuxInt = int32ToAuxInt(int32(c))
  8892  		v.AddArg3(idx, val, mem)
  8893  		return true
  8894  	}
  8895  	// match: (MOVBstoreidx ptr idx (MOVDconst [0]) mem)
  8896  	// result: (MOVBstorezeroidx ptr idx mem)
  8897  	for {
  8898  		ptr := v_0
  8899  		idx := v_1
  8900  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
  8901  			break
  8902  		}
  8903  		mem := v_3
  8904  		v.reset(OpARM64MOVBstorezeroidx)
  8905  		v.AddArg3(ptr, idx, mem)
  8906  		return true
  8907  	}
  8908  	// match: (MOVBstoreidx ptr idx (MOVBreg x) mem)
  8909  	// result: (MOVBstoreidx ptr idx x mem)
  8910  	for {
  8911  		ptr := v_0
  8912  		idx := v_1
  8913  		if v_2.Op != OpARM64MOVBreg {
  8914  			break
  8915  		}
  8916  		x := v_2.Args[0]
  8917  		mem := v_3
  8918  		v.reset(OpARM64MOVBstoreidx)
  8919  		v.AddArg4(ptr, idx, x, mem)
  8920  		return true
  8921  	}
  8922  	// match: (MOVBstoreidx ptr idx (MOVBUreg x) mem)
  8923  	// result: (MOVBstoreidx ptr idx x mem)
  8924  	for {
  8925  		ptr := v_0
  8926  		idx := v_1
  8927  		if v_2.Op != OpARM64MOVBUreg {
  8928  			break
  8929  		}
  8930  		x := v_2.Args[0]
  8931  		mem := v_3
  8932  		v.reset(OpARM64MOVBstoreidx)
  8933  		v.AddArg4(ptr, idx, x, mem)
  8934  		return true
  8935  	}
  8936  	// match: (MOVBstoreidx ptr idx (MOVHreg x) mem)
  8937  	// result: (MOVBstoreidx ptr idx x mem)
  8938  	for {
  8939  		ptr := v_0
  8940  		idx := v_1
  8941  		if v_2.Op != OpARM64MOVHreg {
  8942  			break
  8943  		}
  8944  		x := v_2.Args[0]
  8945  		mem := v_3
  8946  		v.reset(OpARM64MOVBstoreidx)
  8947  		v.AddArg4(ptr, idx, x, mem)
  8948  		return true
  8949  	}
  8950  	// match: (MOVBstoreidx ptr idx (MOVHUreg x) mem)
  8951  	// result: (MOVBstoreidx ptr idx x mem)
  8952  	for {
  8953  		ptr := v_0
  8954  		idx := v_1
  8955  		if v_2.Op != OpARM64MOVHUreg {
  8956  			break
  8957  		}
  8958  		x := v_2.Args[0]
  8959  		mem := v_3
  8960  		v.reset(OpARM64MOVBstoreidx)
  8961  		v.AddArg4(ptr, idx, x, mem)
  8962  		return true
  8963  	}
  8964  	// match: (MOVBstoreidx ptr idx (MOVWreg x) mem)
  8965  	// result: (MOVBstoreidx ptr idx x mem)
  8966  	for {
  8967  		ptr := v_0
  8968  		idx := v_1
  8969  		if v_2.Op != OpARM64MOVWreg {
  8970  			break
  8971  		}
  8972  		x := v_2.Args[0]
  8973  		mem := v_3
  8974  		v.reset(OpARM64MOVBstoreidx)
  8975  		v.AddArg4(ptr, idx, x, mem)
  8976  		return true
  8977  	}
  8978  	// match: (MOVBstoreidx ptr idx (MOVWUreg x) mem)
  8979  	// result: (MOVBstoreidx ptr idx x mem)
  8980  	for {
  8981  		ptr := v_0
  8982  		idx := v_1
  8983  		if v_2.Op != OpARM64MOVWUreg {
  8984  			break
  8985  		}
  8986  		x := v_2.Args[0]
  8987  		mem := v_3
  8988  		v.reset(OpARM64MOVBstoreidx)
  8989  		v.AddArg4(ptr, idx, x, mem)
  8990  		return true
  8991  	}
  8992  	return false
  8993  }
  8994  func rewriteValueARM64_OpARM64MOVBstorezero(v *Value) bool {
  8995  	v_1 := v.Args[1]
  8996  	v_0 := v.Args[0]
  8997  	b := v.Block
  8998  	config := b.Func.Config
  8999  	// match: (MOVBstorezero [off1] {sym} (ADDconst [off2] ptr) mem)
  9000  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9001  	// result: (MOVBstorezero [off1+int32(off2)] {sym} ptr mem)
  9002  	for {
  9003  		off1 := auxIntToInt32(v.AuxInt)
  9004  		sym := auxToSym(v.Aux)
  9005  		if v_0.Op != OpARM64ADDconst {
  9006  			break
  9007  		}
  9008  		off2 := auxIntToInt64(v_0.AuxInt)
  9009  		ptr := v_0.Args[0]
  9010  		mem := v_1
  9011  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9012  			break
  9013  		}
  9014  		v.reset(OpARM64MOVBstorezero)
  9015  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  9016  		v.Aux = symToAux(sym)
  9017  		v.AddArg2(ptr, mem)
  9018  		return true
  9019  	}
  9020  	// match: (MOVBstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  9021  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9022  	// result: (MOVBstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  9023  	for {
  9024  		off1 := auxIntToInt32(v.AuxInt)
  9025  		sym1 := auxToSym(v.Aux)
  9026  		if v_0.Op != OpARM64MOVDaddr {
  9027  			break
  9028  		}
  9029  		off2 := auxIntToInt32(v_0.AuxInt)
  9030  		sym2 := auxToSym(v_0.Aux)
  9031  		ptr := v_0.Args[0]
  9032  		mem := v_1
  9033  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9034  			break
  9035  		}
  9036  		v.reset(OpARM64MOVBstorezero)
  9037  		v.AuxInt = int32ToAuxInt(off1 + off2)
  9038  		v.Aux = symToAux(mergeSym(sym1, sym2))
  9039  		v.AddArg2(ptr, mem)
  9040  		return true
  9041  	}
  9042  	// match: (MOVBstorezero [off] {sym} (ADD ptr idx) mem)
  9043  	// cond: off == 0 && sym == nil
  9044  	// result: (MOVBstorezeroidx ptr idx mem)
  9045  	for {
  9046  		off := auxIntToInt32(v.AuxInt)
  9047  		sym := auxToSym(v.Aux)
  9048  		if v_0.Op != OpARM64ADD {
  9049  			break
  9050  		}
  9051  		idx := v_0.Args[1]
  9052  		ptr := v_0.Args[0]
  9053  		mem := v_1
  9054  		if !(off == 0 && sym == nil) {
  9055  			break
  9056  		}
  9057  		v.reset(OpARM64MOVBstorezeroidx)
  9058  		v.AddArg3(ptr, idx, mem)
  9059  		return true
  9060  	}
  9061  	return false
  9062  }
  9063  func rewriteValueARM64_OpARM64MOVBstorezeroidx(v *Value) bool {
  9064  	v_2 := v.Args[2]
  9065  	v_1 := v.Args[1]
  9066  	v_0 := v.Args[0]
  9067  	// match: (MOVBstorezeroidx ptr (MOVDconst [c]) mem)
  9068  	// cond: is32Bit(c)
  9069  	// result: (MOVBstorezero [int32(c)] ptr mem)
  9070  	for {
  9071  		ptr := v_0
  9072  		if v_1.Op != OpARM64MOVDconst {
  9073  			break
  9074  		}
  9075  		c := auxIntToInt64(v_1.AuxInt)
  9076  		mem := v_2
  9077  		if !(is32Bit(c)) {
  9078  			break
  9079  		}
  9080  		v.reset(OpARM64MOVBstorezero)
  9081  		v.AuxInt = int32ToAuxInt(int32(c))
  9082  		v.AddArg2(ptr, mem)
  9083  		return true
  9084  	}
  9085  	// match: (MOVBstorezeroidx (MOVDconst [c]) idx mem)
  9086  	// cond: is32Bit(c)
  9087  	// result: (MOVBstorezero [int32(c)] idx mem)
  9088  	for {
  9089  		if v_0.Op != OpARM64MOVDconst {
  9090  			break
  9091  		}
  9092  		c := auxIntToInt64(v_0.AuxInt)
  9093  		idx := v_1
  9094  		mem := v_2
  9095  		if !(is32Bit(c)) {
  9096  			break
  9097  		}
  9098  		v.reset(OpARM64MOVBstorezero)
  9099  		v.AuxInt = int32ToAuxInt(int32(c))
  9100  		v.AddArg2(idx, mem)
  9101  		return true
  9102  	}
  9103  	return false
  9104  }
  9105  func rewriteValueARM64_OpARM64MOVDload(v *Value) bool {
  9106  	v_1 := v.Args[1]
  9107  	v_0 := v.Args[0]
  9108  	b := v.Block
  9109  	config := b.Func.Config
  9110  	// match: (MOVDload [off] {sym} ptr (FMOVDstore [off] {sym} ptr val _))
  9111  	// result: (FMOVDfpgp val)
  9112  	for {
  9113  		off := auxIntToInt32(v.AuxInt)
  9114  		sym := auxToSym(v.Aux)
  9115  		ptr := v_0
  9116  		if v_1.Op != OpARM64FMOVDstore || auxIntToInt32(v_1.AuxInt) != off || auxToSym(v_1.Aux) != sym {
  9117  			break
  9118  		}
  9119  		val := v_1.Args[1]
  9120  		if ptr != v_1.Args[0] {
  9121  			break
  9122  		}
  9123  		v.reset(OpARM64FMOVDfpgp)
  9124  		v.AddArg(val)
  9125  		return true
  9126  	}
  9127  	// match: (MOVDload [off1] {sym} (ADDconst [off2] ptr) mem)
  9128  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9129  	// result: (MOVDload [off1+int32(off2)] {sym} ptr mem)
  9130  	for {
  9131  		off1 := auxIntToInt32(v.AuxInt)
  9132  		sym := auxToSym(v.Aux)
  9133  		if v_0.Op != OpARM64ADDconst {
  9134  			break
  9135  		}
  9136  		off2 := auxIntToInt64(v_0.AuxInt)
  9137  		ptr := v_0.Args[0]
  9138  		mem := v_1
  9139  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9140  			break
  9141  		}
  9142  		v.reset(OpARM64MOVDload)
  9143  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  9144  		v.Aux = symToAux(sym)
  9145  		v.AddArg2(ptr, mem)
  9146  		return true
  9147  	}
  9148  	// match: (MOVDload [off] {sym} (ADD ptr idx) mem)
  9149  	// cond: off == 0 && sym == nil
  9150  	// result: (MOVDloadidx ptr idx mem)
  9151  	for {
  9152  		off := auxIntToInt32(v.AuxInt)
  9153  		sym := auxToSym(v.Aux)
  9154  		if v_0.Op != OpARM64ADD {
  9155  			break
  9156  		}
  9157  		idx := v_0.Args[1]
  9158  		ptr := v_0.Args[0]
  9159  		mem := v_1
  9160  		if !(off == 0 && sym == nil) {
  9161  			break
  9162  		}
  9163  		v.reset(OpARM64MOVDloadidx)
  9164  		v.AddArg3(ptr, idx, mem)
  9165  		return true
  9166  	}
  9167  	// match: (MOVDload [off] {sym} (ADDshiftLL [3] ptr idx) mem)
  9168  	// cond: off == 0 && sym == nil
  9169  	// result: (MOVDloadidx8 ptr idx mem)
  9170  	for {
  9171  		off := auxIntToInt32(v.AuxInt)
  9172  		sym := auxToSym(v.Aux)
  9173  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 {
  9174  			break
  9175  		}
  9176  		idx := v_0.Args[1]
  9177  		ptr := v_0.Args[0]
  9178  		mem := v_1
  9179  		if !(off == 0 && sym == nil) {
  9180  			break
  9181  		}
  9182  		v.reset(OpARM64MOVDloadidx8)
  9183  		v.AddArg3(ptr, idx, mem)
  9184  		return true
  9185  	}
  9186  	// match: (MOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  9187  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9188  	// result: (MOVDload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  9189  	for {
  9190  		off1 := auxIntToInt32(v.AuxInt)
  9191  		sym1 := auxToSym(v.Aux)
  9192  		if v_0.Op != OpARM64MOVDaddr {
  9193  			break
  9194  		}
  9195  		off2 := auxIntToInt32(v_0.AuxInt)
  9196  		sym2 := auxToSym(v_0.Aux)
  9197  		ptr := v_0.Args[0]
  9198  		mem := v_1
  9199  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9200  			break
  9201  		}
  9202  		v.reset(OpARM64MOVDload)
  9203  		v.AuxInt = int32ToAuxInt(off1 + off2)
  9204  		v.Aux = symToAux(mergeSym(sym1, sym2))
  9205  		v.AddArg2(ptr, mem)
  9206  		return true
  9207  	}
  9208  	// match: (MOVDload [off] {sym} ptr (MOVDstorezero [off2] {sym2} ptr2 _))
  9209  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  9210  	// result: (MOVDconst [0])
  9211  	for {
  9212  		off := auxIntToInt32(v.AuxInt)
  9213  		sym := auxToSym(v.Aux)
  9214  		ptr := v_0
  9215  		if v_1.Op != OpARM64MOVDstorezero {
  9216  			break
  9217  		}
  9218  		off2 := auxIntToInt32(v_1.AuxInt)
  9219  		sym2 := auxToSym(v_1.Aux)
  9220  		ptr2 := v_1.Args[0]
  9221  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  9222  			break
  9223  		}
  9224  		v.reset(OpARM64MOVDconst)
  9225  		v.AuxInt = int64ToAuxInt(0)
  9226  		return true
  9227  	}
  9228  	// match: (MOVDload [off] {sym} (SB) _)
  9229  	// cond: symIsRO(sym)
  9230  	// result: (MOVDconst [int64(read64(sym, int64(off), config.ctxt.Arch.ByteOrder))])
  9231  	for {
  9232  		off := auxIntToInt32(v.AuxInt)
  9233  		sym := auxToSym(v.Aux)
  9234  		if v_0.Op != OpSB || !(symIsRO(sym)) {
  9235  			break
  9236  		}
  9237  		v.reset(OpARM64MOVDconst)
  9238  		v.AuxInt = int64ToAuxInt(int64(read64(sym, int64(off), config.ctxt.Arch.ByteOrder)))
  9239  		return true
  9240  	}
  9241  	return false
  9242  }
  9243  func rewriteValueARM64_OpARM64MOVDloadidx(v *Value) bool {
  9244  	v_2 := v.Args[2]
  9245  	v_1 := v.Args[1]
  9246  	v_0 := v.Args[0]
  9247  	// match: (MOVDloadidx ptr (MOVDconst [c]) mem)
  9248  	// cond: is32Bit(c)
  9249  	// result: (MOVDload [int32(c)] ptr mem)
  9250  	for {
  9251  		ptr := v_0
  9252  		if v_1.Op != OpARM64MOVDconst {
  9253  			break
  9254  		}
  9255  		c := auxIntToInt64(v_1.AuxInt)
  9256  		mem := v_2
  9257  		if !(is32Bit(c)) {
  9258  			break
  9259  		}
  9260  		v.reset(OpARM64MOVDload)
  9261  		v.AuxInt = int32ToAuxInt(int32(c))
  9262  		v.AddArg2(ptr, mem)
  9263  		return true
  9264  	}
  9265  	// match: (MOVDloadidx (MOVDconst [c]) ptr mem)
  9266  	// cond: is32Bit(c)
  9267  	// result: (MOVDload [int32(c)] ptr mem)
  9268  	for {
  9269  		if v_0.Op != OpARM64MOVDconst {
  9270  			break
  9271  		}
  9272  		c := auxIntToInt64(v_0.AuxInt)
  9273  		ptr := v_1
  9274  		mem := v_2
  9275  		if !(is32Bit(c)) {
  9276  			break
  9277  		}
  9278  		v.reset(OpARM64MOVDload)
  9279  		v.AuxInt = int32ToAuxInt(int32(c))
  9280  		v.AddArg2(ptr, mem)
  9281  		return true
  9282  	}
  9283  	// match: (MOVDloadidx ptr (SLLconst [3] idx) mem)
  9284  	// result: (MOVDloadidx8 ptr idx mem)
  9285  	for {
  9286  		ptr := v_0
  9287  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 {
  9288  			break
  9289  		}
  9290  		idx := v_1.Args[0]
  9291  		mem := v_2
  9292  		v.reset(OpARM64MOVDloadidx8)
  9293  		v.AddArg3(ptr, idx, mem)
  9294  		return true
  9295  	}
  9296  	// match: (MOVDloadidx (SLLconst [3] idx) ptr mem)
  9297  	// result: (MOVDloadidx8 ptr idx mem)
  9298  	for {
  9299  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 {
  9300  			break
  9301  		}
  9302  		idx := v_0.Args[0]
  9303  		ptr := v_1
  9304  		mem := v_2
  9305  		v.reset(OpARM64MOVDloadidx8)
  9306  		v.AddArg3(ptr, idx, mem)
  9307  		return true
  9308  	}
  9309  	// match: (MOVDloadidx ptr idx (MOVDstorezeroidx ptr2 idx2 _))
  9310  	// cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2))
  9311  	// result: (MOVDconst [0])
  9312  	for {
  9313  		ptr := v_0
  9314  		idx := v_1
  9315  		if v_2.Op != OpARM64MOVDstorezeroidx {
  9316  			break
  9317  		}
  9318  		idx2 := v_2.Args[1]
  9319  		ptr2 := v_2.Args[0]
  9320  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) {
  9321  			break
  9322  		}
  9323  		v.reset(OpARM64MOVDconst)
  9324  		v.AuxInt = int64ToAuxInt(0)
  9325  		return true
  9326  	}
  9327  	return false
  9328  }
  9329  func rewriteValueARM64_OpARM64MOVDloadidx8(v *Value) bool {
  9330  	v_2 := v.Args[2]
  9331  	v_1 := v.Args[1]
  9332  	v_0 := v.Args[0]
  9333  	// match: (MOVDloadidx8 ptr (MOVDconst [c]) mem)
  9334  	// cond: is32Bit(c<<3)
  9335  	// result: (MOVDload [int32(c)<<3] ptr mem)
  9336  	for {
  9337  		ptr := v_0
  9338  		if v_1.Op != OpARM64MOVDconst {
  9339  			break
  9340  		}
  9341  		c := auxIntToInt64(v_1.AuxInt)
  9342  		mem := v_2
  9343  		if !(is32Bit(c << 3)) {
  9344  			break
  9345  		}
  9346  		v.reset(OpARM64MOVDload)
  9347  		v.AuxInt = int32ToAuxInt(int32(c) << 3)
  9348  		v.AddArg2(ptr, mem)
  9349  		return true
  9350  	}
  9351  	// match: (MOVDloadidx8 ptr idx (MOVDstorezeroidx8 ptr2 idx2 _))
  9352  	// cond: isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)
  9353  	// result: (MOVDconst [0])
  9354  	for {
  9355  		ptr := v_0
  9356  		idx := v_1
  9357  		if v_2.Op != OpARM64MOVDstorezeroidx8 {
  9358  			break
  9359  		}
  9360  		idx2 := v_2.Args[1]
  9361  		ptr2 := v_2.Args[0]
  9362  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)) {
  9363  			break
  9364  		}
  9365  		v.reset(OpARM64MOVDconst)
  9366  		v.AuxInt = int64ToAuxInt(0)
  9367  		return true
  9368  	}
  9369  	return false
  9370  }
  9371  func rewriteValueARM64_OpARM64MOVDnop(v *Value) bool {
  9372  	v_0 := v.Args[0]
  9373  	// match: (MOVDnop (MOVDconst [c]))
  9374  	// result: (MOVDconst [c])
  9375  	for {
  9376  		if v_0.Op != OpARM64MOVDconst {
  9377  			break
  9378  		}
  9379  		c := auxIntToInt64(v_0.AuxInt)
  9380  		v.reset(OpARM64MOVDconst)
  9381  		v.AuxInt = int64ToAuxInt(c)
  9382  		return true
  9383  	}
  9384  	return false
  9385  }
  9386  func rewriteValueARM64_OpARM64MOVDreg(v *Value) bool {
  9387  	v_0 := v.Args[0]
  9388  	// match: (MOVDreg x)
  9389  	// cond: x.Uses == 1
  9390  	// result: (MOVDnop x)
  9391  	for {
  9392  		x := v_0
  9393  		if !(x.Uses == 1) {
  9394  			break
  9395  		}
  9396  		v.reset(OpARM64MOVDnop)
  9397  		v.AddArg(x)
  9398  		return true
  9399  	}
  9400  	// match: (MOVDreg (MOVDconst [c]))
  9401  	// result: (MOVDconst [c])
  9402  	for {
  9403  		if v_0.Op != OpARM64MOVDconst {
  9404  			break
  9405  		}
  9406  		c := auxIntToInt64(v_0.AuxInt)
  9407  		v.reset(OpARM64MOVDconst)
  9408  		v.AuxInt = int64ToAuxInt(c)
  9409  		return true
  9410  	}
  9411  	return false
  9412  }
  9413  func rewriteValueARM64_OpARM64MOVDstore(v *Value) bool {
  9414  	v_2 := v.Args[2]
  9415  	v_1 := v.Args[1]
  9416  	v_0 := v.Args[0]
  9417  	b := v.Block
  9418  	config := b.Func.Config
  9419  	// match: (MOVDstore [off] {sym} ptr (FMOVDfpgp val) mem)
  9420  	// result: (FMOVDstore [off] {sym} ptr val mem)
  9421  	for {
  9422  		off := auxIntToInt32(v.AuxInt)
  9423  		sym := auxToSym(v.Aux)
  9424  		ptr := v_0
  9425  		if v_1.Op != OpARM64FMOVDfpgp {
  9426  			break
  9427  		}
  9428  		val := v_1.Args[0]
  9429  		mem := v_2
  9430  		v.reset(OpARM64FMOVDstore)
  9431  		v.AuxInt = int32ToAuxInt(off)
  9432  		v.Aux = symToAux(sym)
  9433  		v.AddArg3(ptr, val, mem)
  9434  		return true
  9435  	}
  9436  	// match: (MOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  9437  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9438  	// result: (MOVDstore [off1+int32(off2)] {sym} ptr val mem)
  9439  	for {
  9440  		off1 := auxIntToInt32(v.AuxInt)
  9441  		sym := auxToSym(v.Aux)
  9442  		if v_0.Op != OpARM64ADDconst {
  9443  			break
  9444  		}
  9445  		off2 := auxIntToInt64(v_0.AuxInt)
  9446  		ptr := v_0.Args[0]
  9447  		val := v_1
  9448  		mem := v_2
  9449  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9450  			break
  9451  		}
  9452  		v.reset(OpARM64MOVDstore)
  9453  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  9454  		v.Aux = symToAux(sym)
  9455  		v.AddArg3(ptr, val, mem)
  9456  		return true
  9457  	}
  9458  	// match: (MOVDstore [off] {sym} (ADD ptr idx) val mem)
  9459  	// cond: off == 0 && sym == nil
  9460  	// result: (MOVDstoreidx ptr idx val mem)
  9461  	for {
  9462  		off := auxIntToInt32(v.AuxInt)
  9463  		sym := auxToSym(v.Aux)
  9464  		if v_0.Op != OpARM64ADD {
  9465  			break
  9466  		}
  9467  		idx := v_0.Args[1]
  9468  		ptr := v_0.Args[0]
  9469  		val := v_1
  9470  		mem := v_2
  9471  		if !(off == 0 && sym == nil) {
  9472  			break
  9473  		}
  9474  		v.reset(OpARM64MOVDstoreidx)
  9475  		v.AddArg4(ptr, idx, val, mem)
  9476  		return true
  9477  	}
  9478  	// match: (MOVDstore [off] {sym} (ADDshiftLL [3] ptr idx) val mem)
  9479  	// cond: off == 0 && sym == nil
  9480  	// result: (MOVDstoreidx8 ptr idx val mem)
  9481  	for {
  9482  		off := auxIntToInt32(v.AuxInt)
  9483  		sym := auxToSym(v.Aux)
  9484  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 {
  9485  			break
  9486  		}
  9487  		idx := v_0.Args[1]
  9488  		ptr := v_0.Args[0]
  9489  		val := v_1
  9490  		mem := v_2
  9491  		if !(off == 0 && sym == nil) {
  9492  			break
  9493  		}
  9494  		v.reset(OpARM64MOVDstoreidx8)
  9495  		v.AddArg4(ptr, idx, val, mem)
  9496  		return true
  9497  	}
  9498  	// match: (MOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
  9499  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9500  	// result: (MOVDstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
  9501  	for {
  9502  		off1 := auxIntToInt32(v.AuxInt)
  9503  		sym1 := auxToSym(v.Aux)
  9504  		if v_0.Op != OpARM64MOVDaddr {
  9505  			break
  9506  		}
  9507  		off2 := auxIntToInt32(v_0.AuxInt)
  9508  		sym2 := auxToSym(v_0.Aux)
  9509  		ptr := v_0.Args[0]
  9510  		val := v_1
  9511  		mem := v_2
  9512  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9513  			break
  9514  		}
  9515  		v.reset(OpARM64MOVDstore)
  9516  		v.AuxInt = int32ToAuxInt(off1 + off2)
  9517  		v.Aux = symToAux(mergeSym(sym1, sym2))
  9518  		v.AddArg3(ptr, val, mem)
  9519  		return true
  9520  	}
  9521  	// match: (MOVDstore [off] {sym} ptr (MOVDconst [0]) mem)
  9522  	// result: (MOVDstorezero [off] {sym} ptr mem)
  9523  	for {
  9524  		off := auxIntToInt32(v.AuxInt)
  9525  		sym := auxToSym(v.Aux)
  9526  		ptr := v_0
  9527  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  9528  			break
  9529  		}
  9530  		mem := v_2
  9531  		v.reset(OpARM64MOVDstorezero)
  9532  		v.AuxInt = int32ToAuxInt(off)
  9533  		v.Aux = symToAux(sym)
  9534  		v.AddArg2(ptr, mem)
  9535  		return true
  9536  	}
  9537  	return false
  9538  }
  9539  func rewriteValueARM64_OpARM64MOVDstoreidx(v *Value) bool {
  9540  	v_3 := v.Args[3]
  9541  	v_2 := v.Args[2]
  9542  	v_1 := v.Args[1]
  9543  	v_0 := v.Args[0]
  9544  	// match: (MOVDstoreidx ptr (MOVDconst [c]) val mem)
  9545  	// cond: is32Bit(c)
  9546  	// result: (MOVDstore [int32(c)] ptr val mem)
  9547  	for {
  9548  		ptr := v_0
  9549  		if v_1.Op != OpARM64MOVDconst {
  9550  			break
  9551  		}
  9552  		c := auxIntToInt64(v_1.AuxInt)
  9553  		val := v_2
  9554  		mem := v_3
  9555  		if !(is32Bit(c)) {
  9556  			break
  9557  		}
  9558  		v.reset(OpARM64MOVDstore)
  9559  		v.AuxInt = int32ToAuxInt(int32(c))
  9560  		v.AddArg3(ptr, val, mem)
  9561  		return true
  9562  	}
  9563  	// match: (MOVDstoreidx (MOVDconst [c]) idx val mem)
  9564  	// cond: is32Bit(c)
  9565  	// result: (MOVDstore [int32(c)] idx val mem)
  9566  	for {
  9567  		if v_0.Op != OpARM64MOVDconst {
  9568  			break
  9569  		}
  9570  		c := auxIntToInt64(v_0.AuxInt)
  9571  		idx := v_1
  9572  		val := v_2
  9573  		mem := v_3
  9574  		if !(is32Bit(c)) {
  9575  			break
  9576  		}
  9577  		v.reset(OpARM64MOVDstore)
  9578  		v.AuxInt = int32ToAuxInt(int32(c))
  9579  		v.AddArg3(idx, val, mem)
  9580  		return true
  9581  	}
  9582  	// match: (MOVDstoreidx ptr (SLLconst [3] idx) val mem)
  9583  	// result: (MOVDstoreidx8 ptr idx val mem)
  9584  	for {
  9585  		ptr := v_0
  9586  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 {
  9587  			break
  9588  		}
  9589  		idx := v_1.Args[0]
  9590  		val := v_2
  9591  		mem := v_3
  9592  		v.reset(OpARM64MOVDstoreidx8)
  9593  		v.AddArg4(ptr, idx, val, mem)
  9594  		return true
  9595  	}
  9596  	// match: (MOVDstoreidx (SLLconst [3] idx) ptr val mem)
  9597  	// result: (MOVDstoreidx8 ptr idx val mem)
  9598  	for {
  9599  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 {
  9600  			break
  9601  		}
  9602  		idx := v_0.Args[0]
  9603  		ptr := v_1
  9604  		val := v_2
  9605  		mem := v_3
  9606  		v.reset(OpARM64MOVDstoreidx8)
  9607  		v.AddArg4(ptr, idx, val, mem)
  9608  		return true
  9609  	}
  9610  	// match: (MOVDstoreidx ptr idx (MOVDconst [0]) mem)
  9611  	// result: (MOVDstorezeroidx ptr idx mem)
  9612  	for {
  9613  		ptr := v_0
  9614  		idx := v_1
  9615  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
  9616  			break
  9617  		}
  9618  		mem := v_3
  9619  		v.reset(OpARM64MOVDstorezeroidx)
  9620  		v.AddArg3(ptr, idx, mem)
  9621  		return true
  9622  	}
  9623  	return false
  9624  }
  9625  func rewriteValueARM64_OpARM64MOVDstoreidx8(v *Value) bool {
  9626  	v_3 := v.Args[3]
  9627  	v_2 := v.Args[2]
  9628  	v_1 := v.Args[1]
  9629  	v_0 := v.Args[0]
  9630  	// match: (MOVDstoreidx8 ptr (MOVDconst [c]) val mem)
  9631  	// cond: is32Bit(c<<3)
  9632  	// result: (MOVDstore [int32(c)<<3] ptr val mem)
  9633  	for {
  9634  		ptr := v_0
  9635  		if v_1.Op != OpARM64MOVDconst {
  9636  			break
  9637  		}
  9638  		c := auxIntToInt64(v_1.AuxInt)
  9639  		val := v_2
  9640  		mem := v_3
  9641  		if !(is32Bit(c << 3)) {
  9642  			break
  9643  		}
  9644  		v.reset(OpARM64MOVDstore)
  9645  		v.AuxInt = int32ToAuxInt(int32(c) << 3)
  9646  		v.AddArg3(ptr, val, mem)
  9647  		return true
  9648  	}
  9649  	// match: (MOVDstoreidx8 ptr idx (MOVDconst [0]) mem)
  9650  	// result: (MOVDstorezeroidx8 ptr idx mem)
  9651  	for {
  9652  		ptr := v_0
  9653  		idx := v_1
  9654  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
  9655  			break
  9656  		}
  9657  		mem := v_3
  9658  		v.reset(OpARM64MOVDstorezeroidx8)
  9659  		v.AddArg3(ptr, idx, mem)
  9660  		return true
  9661  	}
  9662  	return false
  9663  }
  9664  func rewriteValueARM64_OpARM64MOVDstorezero(v *Value) bool {
  9665  	v_1 := v.Args[1]
  9666  	v_0 := v.Args[0]
  9667  	b := v.Block
  9668  	config := b.Func.Config
  9669  	// match: (MOVDstorezero {s} [i] ptr x:(MOVDstorezero {s} [i+8] ptr mem))
  9670  	// cond: x.Uses == 1 && setPos(v, x.Pos) && clobber(x)
  9671  	// result: (MOVQstorezero {s} [i] ptr mem)
  9672  	for {
  9673  		i := auxIntToInt32(v.AuxInt)
  9674  		s := auxToSym(v.Aux)
  9675  		ptr := v_0
  9676  		x := v_1
  9677  		if x.Op != OpARM64MOVDstorezero || auxIntToInt32(x.AuxInt) != i+8 || auxToSym(x.Aux) != s {
  9678  			break
  9679  		}
  9680  		mem := x.Args[1]
  9681  		if ptr != x.Args[0] || !(x.Uses == 1 && setPos(v, x.Pos) && clobber(x)) {
  9682  			break
  9683  		}
  9684  		v.reset(OpARM64MOVQstorezero)
  9685  		v.AuxInt = int32ToAuxInt(i)
  9686  		v.Aux = symToAux(s)
  9687  		v.AddArg2(ptr, mem)
  9688  		return true
  9689  	}
  9690  	// match: (MOVDstorezero {s} [i] ptr x:(MOVDstorezero {s} [i-8] ptr mem))
  9691  	// cond: x.Uses == 1 && setPos(v, x.Pos) && clobber(x)
  9692  	// result: (MOVQstorezero {s} [i-8] ptr mem)
  9693  	for {
  9694  		i := auxIntToInt32(v.AuxInt)
  9695  		s := auxToSym(v.Aux)
  9696  		ptr := v_0
  9697  		x := v_1
  9698  		if x.Op != OpARM64MOVDstorezero || auxIntToInt32(x.AuxInt) != i-8 || auxToSym(x.Aux) != s {
  9699  			break
  9700  		}
  9701  		mem := x.Args[1]
  9702  		if ptr != x.Args[0] || !(x.Uses == 1 && setPos(v, x.Pos) && clobber(x)) {
  9703  			break
  9704  		}
  9705  		v.reset(OpARM64MOVQstorezero)
  9706  		v.AuxInt = int32ToAuxInt(i - 8)
  9707  		v.Aux = symToAux(s)
  9708  		v.AddArg2(ptr, mem)
  9709  		return true
  9710  	}
  9711  	// match: (MOVDstorezero [off1] {sym} (ADDconst [off2] ptr) mem)
  9712  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9713  	// result: (MOVDstorezero [off1+int32(off2)] {sym} ptr mem)
  9714  	for {
  9715  		off1 := auxIntToInt32(v.AuxInt)
  9716  		sym := auxToSym(v.Aux)
  9717  		if v_0.Op != OpARM64ADDconst {
  9718  			break
  9719  		}
  9720  		off2 := auxIntToInt64(v_0.AuxInt)
  9721  		ptr := v_0.Args[0]
  9722  		mem := v_1
  9723  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9724  			break
  9725  		}
  9726  		v.reset(OpARM64MOVDstorezero)
  9727  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  9728  		v.Aux = symToAux(sym)
  9729  		v.AddArg2(ptr, mem)
  9730  		return true
  9731  	}
  9732  	// match: (MOVDstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  9733  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9734  	// result: (MOVDstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  9735  	for {
  9736  		off1 := auxIntToInt32(v.AuxInt)
  9737  		sym1 := auxToSym(v.Aux)
  9738  		if v_0.Op != OpARM64MOVDaddr {
  9739  			break
  9740  		}
  9741  		off2 := auxIntToInt32(v_0.AuxInt)
  9742  		sym2 := auxToSym(v_0.Aux)
  9743  		ptr := v_0.Args[0]
  9744  		mem := v_1
  9745  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9746  			break
  9747  		}
  9748  		v.reset(OpARM64MOVDstorezero)
  9749  		v.AuxInt = int32ToAuxInt(off1 + off2)
  9750  		v.Aux = symToAux(mergeSym(sym1, sym2))
  9751  		v.AddArg2(ptr, mem)
  9752  		return true
  9753  	}
  9754  	// match: (MOVDstorezero [off] {sym} (ADD ptr idx) mem)
  9755  	// cond: off == 0 && sym == nil
  9756  	// result: (MOVDstorezeroidx ptr idx mem)
  9757  	for {
  9758  		off := auxIntToInt32(v.AuxInt)
  9759  		sym := auxToSym(v.Aux)
  9760  		if v_0.Op != OpARM64ADD {
  9761  			break
  9762  		}
  9763  		idx := v_0.Args[1]
  9764  		ptr := v_0.Args[0]
  9765  		mem := v_1
  9766  		if !(off == 0 && sym == nil) {
  9767  			break
  9768  		}
  9769  		v.reset(OpARM64MOVDstorezeroidx)
  9770  		v.AddArg3(ptr, idx, mem)
  9771  		return true
  9772  	}
  9773  	// match: (MOVDstorezero [off] {sym} (ADDshiftLL [3] ptr idx) mem)
  9774  	// cond: off == 0 && sym == nil
  9775  	// result: (MOVDstorezeroidx8 ptr idx mem)
  9776  	for {
  9777  		off := auxIntToInt32(v.AuxInt)
  9778  		sym := auxToSym(v.Aux)
  9779  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 {
  9780  			break
  9781  		}
  9782  		idx := v_0.Args[1]
  9783  		ptr := v_0.Args[0]
  9784  		mem := v_1
  9785  		if !(off == 0 && sym == nil) {
  9786  			break
  9787  		}
  9788  		v.reset(OpARM64MOVDstorezeroidx8)
  9789  		v.AddArg3(ptr, idx, mem)
  9790  		return true
  9791  	}
  9792  	return false
  9793  }
  9794  func rewriteValueARM64_OpARM64MOVDstorezeroidx(v *Value) bool {
  9795  	v_2 := v.Args[2]
  9796  	v_1 := v.Args[1]
  9797  	v_0 := v.Args[0]
  9798  	// match: (MOVDstorezeroidx ptr (MOVDconst [c]) mem)
  9799  	// cond: is32Bit(c)
  9800  	// result: (MOVDstorezero [int32(c)] ptr mem)
  9801  	for {
  9802  		ptr := v_0
  9803  		if v_1.Op != OpARM64MOVDconst {
  9804  			break
  9805  		}
  9806  		c := auxIntToInt64(v_1.AuxInt)
  9807  		mem := v_2
  9808  		if !(is32Bit(c)) {
  9809  			break
  9810  		}
  9811  		v.reset(OpARM64MOVDstorezero)
  9812  		v.AuxInt = int32ToAuxInt(int32(c))
  9813  		v.AddArg2(ptr, mem)
  9814  		return true
  9815  	}
  9816  	// match: (MOVDstorezeroidx (MOVDconst [c]) idx mem)
  9817  	// cond: is32Bit(c)
  9818  	// result: (MOVDstorezero [int32(c)] idx mem)
  9819  	for {
  9820  		if v_0.Op != OpARM64MOVDconst {
  9821  			break
  9822  		}
  9823  		c := auxIntToInt64(v_0.AuxInt)
  9824  		idx := v_1
  9825  		mem := v_2
  9826  		if !(is32Bit(c)) {
  9827  			break
  9828  		}
  9829  		v.reset(OpARM64MOVDstorezero)
  9830  		v.AuxInt = int32ToAuxInt(int32(c))
  9831  		v.AddArg2(idx, mem)
  9832  		return true
  9833  	}
  9834  	// match: (MOVDstorezeroidx ptr (SLLconst [3] idx) mem)
  9835  	// result: (MOVDstorezeroidx8 ptr idx mem)
  9836  	for {
  9837  		ptr := v_0
  9838  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 {
  9839  			break
  9840  		}
  9841  		idx := v_1.Args[0]
  9842  		mem := v_2
  9843  		v.reset(OpARM64MOVDstorezeroidx8)
  9844  		v.AddArg3(ptr, idx, mem)
  9845  		return true
  9846  	}
  9847  	// match: (MOVDstorezeroidx (SLLconst [3] idx) ptr mem)
  9848  	// result: (MOVDstorezeroidx8 ptr idx mem)
  9849  	for {
  9850  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 {
  9851  			break
  9852  		}
  9853  		idx := v_0.Args[0]
  9854  		ptr := v_1
  9855  		mem := v_2
  9856  		v.reset(OpARM64MOVDstorezeroidx8)
  9857  		v.AddArg3(ptr, idx, mem)
  9858  		return true
  9859  	}
  9860  	return false
  9861  }
  9862  func rewriteValueARM64_OpARM64MOVDstorezeroidx8(v *Value) bool {
  9863  	v_2 := v.Args[2]
  9864  	v_1 := v.Args[1]
  9865  	v_0 := v.Args[0]
  9866  	// match: (MOVDstorezeroidx8 ptr (MOVDconst [c]) mem)
  9867  	// cond: is32Bit(c<<3)
  9868  	// result: (MOVDstorezero [int32(c<<3)] ptr mem)
  9869  	for {
  9870  		ptr := v_0
  9871  		if v_1.Op != OpARM64MOVDconst {
  9872  			break
  9873  		}
  9874  		c := auxIntToInt64(v_1.AuxInt)
  9875  		mem := v_2
  9876  		if !(is32Bit(c << 3)) {
  9877  			break
  9878  		}
  9879  		v.reset(OpARM64MOVDstorezero)
  9880  		v.AuxInt = int32ToAuxInt(int32(c << 3))
  9881  		v.AddArg2(ptr, mem)
  9882  		return true
  9883  	}
  9884  	return false
  9885  }
  9886  func rewriteValueARM64_OpARM64MOVHUload(v *Value) bool {
  9887  	v_1 := v.Args[1]
  9888  	v_0 := v.Args[0]
  9889  	b := v.Block
  9890  	config := b.Func.Config
  9891  	// match: (MOVHUload [off1] {sym} (ADDconst [off2] ptr) mem)
  9892  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9893  	// result: (MOVHUload [off1+int32(off2)] {sym} ptr mem)
  9894  	for {
  9895  		off1 := auxIntToInt32(v.AuxInt)
  9896  		sym := auxToSym(v.Aux)
  9897  		if v_0.Op != OpARM64ADDconst {
  9898  			break
  9899  		}
  9900  		off2 := auxIntToInt64(v_0.AuxInt)
  9901  		ptr := v_0.Args[0]
  9902  		mem := v_1
  9903  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9904  			break
  9905  		}
  9906  		v.reset(OpARM64MOVHUload)
  9907  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  9908  		v.Aux = symToAux(sym)
  9909  		v.AddArg2(ptr, mem)
  9910  		return true
  9911  	}
  9912  	// match: (MOVHUload [off] {sym} (ADD ptr idx) mem)
  9913  	// cond: off == 0 && sym == nil
  9914  	// result: (MOVHUloadidx ptr idx mem)
  9915  	for {
  9916  		off := auxIntToInt32(v.AuxInt)
  9917  		sym := auxToSym(v.Aux)
  9918  		if v_0.Op != OpARM64ADD {
  9919  			break
  9920  		}
  9921  		idx := v_0.Args[1]
  9922  		ptr := v_0.Args[0]
  9923  		mem := v_1
  9924  		if !(off == 0 && sym == nil) {
  9925  			break
  9926  		}
  9927  		v.reset(OpARM64MOVHUloadidx)
  9928  		v.AddArg3(ptr, idx, mem)
  9929  		return true
  9930  	}
  9931  	// match: (MOVHUload [off] {sym} (ADDshiftLL [1] ptr idx) mem)
  9932  	// cond: off == 0 && sym == nil
  9933  	// result: (MOVHUloadidx2 ptr idx mem)
  9934  	for {
  9935  		off := auxIntToInt32(v.AuxInt)
  9936  		sym := auxToSym(v.Aux)
  9937  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 {
  9938  			break
  9939  		}
  9940  		idx := v_0.Args[1]
  9941  		ptr := v_0.Args[0]
  9942  		mem := v_1
  9943  		if !(off == 0 && sym == nil) {
  9944  			break
  9945  		}
  9946  		v.reset(OpARM64MOVHUloadidx2)
  9947  		v.AddArg3(ptr, idx, mem)
  9948  		return true
  9949  	}
  9950  	// match: (MOVHUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  9951  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9952  	// result: (MOVHUload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  9953  	for {
  9954  		off1 := auxIntToInt32(v.AuxInt)
  9955  		sym1 := auxToSym(v.Aux)
  9956  		if v_0.Op != OpARM64MOVDaddr {
  9957  			break
  9958  		}
  9959  		off2 := auxIntToInt32(v_0.AuxInt)
  9960  		sym2 := auxToSym(v_0.Aux)
  9961  		ptr := v_0.Args[0]
  9962  		mem := v_1
  9963  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9964  			break
  9965  		}
  9966  		v.reset(OpARM64MOVHUload)
  9967  		v.AuxInt = int32ToAuxInt(off1 + off2)
  9968  		v.Aux = symToAux(mergeSym(sym1, sym2))
  9969  		v.AddArg2(ptr, mem)
  9970  		return true
  9971  	}
  9972  	// match: (MOVHUload [off] {sym} ptr (MOVHstorezero [off2] {sym2} ptr2 _))
  9973  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  9974  	// result: (MOVDconst [0])
  9975  	for {
  9976  		off := auxIntToInt32(v.AuxInt)
  9977  		sym := auxToSym(v.Aux)
  9978  		ptr := v_0
  9979  		if v_1.Op != OpARM64MOVHstorezero {
  9980  			break
  9981  		}
  9982  		off2 := auxIntToInt32(v_1.AuxInt)
  9983  		sym2 := auxToSym(v_1.Aux)
  9984  		ptr2 := v_1.Args[0]
  9985  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  9986  			break
  9987  		}
  9988  		v.reset(OpARM64MOVDconst)
  9989  		v.AuxInt = int64ToAuxInt(0)
  9990  		return true
  9991  	}
  9992  	// match: (MOVHUload [off] {sym} (SB) _)
  9993  	// cond: symIsRO(sym)
  9994  	// result: (MOVDconst [int64(read16(sym, int64(off), config.ctxt.Arch.ByteOrder))])
  9995  	for {
  9996  		off := auxIntToInt32(v.AuxInt)
  9997  		sym := auxToSym(v.Aux)
  9998  		if v_0.Op != OpSB || !(symIsRO(sym)) {
  9999  			break
 10000  		}
 10001  		v.reset(OpARM64MOVDconst)
 10002  		v.AuxInt = int64ToAuxInt(int64(read16(sym, int64(off), config.ctxt.Arch.ByteOrder)))
 10003  		return true
 10004  	}
 10005  	return false
 10006  }
 10007  func rewriteValueARM64_OpARM64MOVHUloadidx(v *Value) bool {
 10008  	v_2 := v.Args[2]
 10009  	v_1 := v.Args[1]
 10010  	v_0 := v.Args[0]
 10011  	// match: (MOVHUloadidx ptr (MOVDconst [c]) mem)
 10012  	// cond: is32Bit(c)
 10013  	// result: (MOVHUload [int32(c)] ptr mem)
 10014  	for {
 10015  		ptr := v_0
 10016  		if v_1.Op != OpARM64MOVDconst {
 10017  			break
 10018  		}
 10019  		c := auxIntToInt64(v_1.AuxInt)
 10020  		mem := v_2
 10021  		if !(is32Bit(c)) {
 10022  			break
 10023  		}
 10024  		v.reset(OpARM64MOVHUload)
 10025  		v.AuxInt = int32ToAuxInt(int32(c))
 10026  		v.AddArg2(ptr, mem)
 10027  		return true
 10028  	}
 10029  	// match: (MOVHUloadidx (MOVDconst [c]) ptr mem)
 10030  	// cond: is32Bit(c)
 10031  	// result: (MOVHUload [int32(c)] ptr mem)
 10032  	for {
 10033  		if v_0.Op != OpARM64MOVDconst {
 10034  			break
 10035  		}
 10036  		c := auxIntToInt64(v_0.AuxInt)
 10037  		ptr := v_1
 10038  		mem := v_2
 10039  		if !(is32Bit(c)) {
 10040  			break
 10041  		}
 10042  		v.reset(OpARM64MOVHUload)
 10043  		v.AuxInt = int32ToAuxInt(int32(c))
 10044  		v.AddArg2(ptr, mem)
 10045  		return true
 10046  	}
 10047  	// match: (MOVHUloadidx ptr (SLLconst [1] idx) mem)
 10048  	// result: (MOVHUloadidx2 ptr idx mem)
 10049  	for {
 10050  		ptr := v_0
 10051  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 1 {
 10052  			break
 10053  		}
 10054  		idx := v_1.Args[0]
 10055  		mem := v_2
 10056  		v.reset(OpARM64MOVHUloadidx2)
 10057  		v.AddArg3(ptr, idx, mem)
 10058  		return true
 10059  	}
 10060  	// match: (MOVHUloadidx ptr (ADD idx idx) mem)
 10061  	// result: (MOVHUloadidx2 ptr idx mem)
 10062  	for {
 10063  		ptr := v_0
 10064  		if v_1.Op != OpARM64ADD {
 10065  			break
 10066  		}
 10067  		idx := v_1.Args[1]
 10068  		if idx != v_1.Args[0] {
 10069  			break
 10070  		}
 10071  		mem := v_2
 10072  		v.reset(OpARM64MOVHUloadidx2)
 10073  		v.AddArg3(ptr, idx, mem)
 10074  		return true
 10075  	}
 10076  	// match: (MOVHUloadidx (ADD idx idx) ptr mem)
 10077  	// result: (MOVHUloadidx2 ptr idx mem)
 10078  	for {
 10079  		if v_0.Op != OpARM64ADD {
 10080  			break
 10081  		}
 10082  		idx := v_0.Args[1]
 10083  		if idx != v_0.Args[0] {
 10084  			break
 10085  		}
 10086  		ptr := v_1
 10087  		mem := v_2
 10088  		v.reset(OpARM64MOVHUloadidx2)
 10089  		v.AddArg3(ptr, idx, mem)
 10090  		return true
 10091  	}
 10092  	// match: (MOVHUloadidx ptr idx (MOVHstorezeroidx ptr2 idx2 _))
 10093  	// cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2))
 10094  	// result: (MOVDconst [0])
 10095  	for {
 10096  		ptr := v_0
 10097  		idx := v_1
 10098  		if v_2.Op != OpARM64MOVHstorezeroidx {
 10099  			break
 10100  		}
 10101  		idx2 := v_2.Args[1]
 10102  		ptr2 := v_2.Args[0]
 10103  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) {
 10104  			break
 10105  		}
 10106  		v.reset(OpARM64MOVDconst)
 10107  		v.AuxInt = int64ToAuxInt(0)
 10108  		return true
 10109  	}
 10110  	return false
 10111  }
 10112  func rewriteValueARM64_OpARM64MOVHUloadidx2(v *Value) bool {
 10113  	v_2 := v.Args[2]
 10114  	v_1 := v.Args[1]
 10115  	v_0 := v.Args[0]
 10116  	// match: (MOVHUloadidx2 ptr (MOVDconst [c]) mem)
 10117  	// cond: is32Bit(c<<1)
 10118  	// result: (MOVHUload [int32(c)<<1] ptr mem)
 10119  	for {
 10120  		ptr := v_0
 10121  		if v_1.Op != OpARM64MOVDconst {
 10122  			break
 10123  		}
 10124  		c := auxIntToInt64(v_1.AuxInt)
 10125  		mem := v_2
 10126  		if !(is32Bit(c << 1)) {
 10127  			break
 10128  		}
 10129  		v.reset(OpARM64MOVHUload)
 10130  		v.AuxInt = int32ToAuxInt(int32(c) << 1)
 10131  		v.AddArg2(ptr, mem)
 10132  		return true
 10133  	}
 10134  	// match: (MOVHUloadidx2 ptr idx (MOVHstorezeroidx2 ptr2 idx2 _))
 10135  	// cond: isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)
 10136  	// result: (MOVDconst [0])
 10137  	for {
 10138  		ptr := v_0
 10139  		idx := v_1
 10140  		if v_2.Op != OpARM64MOVHstorezeroidx2 {
 10141  			break
 10142  		}
 10143  		idx2 := v_2.Args[1]
 10144  		ptr2 := v_2.Args[0]
 10145  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)) {
 10146  			break
 10147  		}
 10148  		v.reset(OpARM64MOVDconst)
 10149  		v.AuxInt = int64ToAuxInt(0)
 10150  		return true
 10151  	}
 10152  	return false
 10153  }
 10154  func rewriteValueARM64_OpARM64MOVHUreg(v *Value) bool {
 10155  	v_0 := v.Args[0]
 10156  	// match: (MOVHUreg (ANDconst [c] x))
 10157  	// result: (ANDconst [c&(1<<16-1)] x)
 10158  	for {
 10159  		if v_0.Op != OpARM64ANDconst {
 10160  			break
 10161  		}
 10162  		c := auxIntToInt64(v_0.AuxInt)
 10163  		x := v_0.Args[0]
 10164  		v.reset(OpARM64ANDconst)
 10165  		v.AuxInt = int64ToAuxInt(c & (1<<16 - 1))
 10166  		v.AddArg(x)
 10167  		return true
 10168  	}
 10169  	// match: (MOVHUreg (MOVDconst [c]))
 10170  	// result: (MOVDconst [int64(uint16(c))])
 10171  	for {
 10172  		if v_0.Op != OpARM64MOVDconst {
 10173  			break
 10174  		}
 10175  		c := auxIntToInt64(v_0.AuxInt)
 10176  		v.reset(OpARM64MOVDconst)
 10177  		v.AuxInt = int64ToAuxInt(int64(uint16(c)))
 10178  		return true
 10179  	}
 10180  	// match: (MOVHUreg x)
 10181  	// cond: v.Type.Size() <= 2
 10182  	// result: x
 10183  	for {
 10184  		x := v_0
 10185  		if !(v.Type.Size() <= 2) {
 10186  			break
 10187  		}
 10188  		v.copyOf(x)
 10189  		return true
 10190  	}
 10191  	// match: (MOVHUreg (SLLconst [lc] x))
 10192  	// cond: lc >= 16
 10193  	// result: (MOVDconst [0])
 10194  	for {
 10195  		if v_0.Op != OpARM64SLLconst {
 10196  			break
 10197  		}
 10198  		lc := auxIntToInt64(v_0.AuxInt)
 10199  		if !(lc >= 16) {
 10200  			break
 10201  		}
 10202  		v.reset(OpARM64MOVDconst)
 10203  		v.AuxInt = int64ToAuxInt(0)
 10204  		return true
 10205  	}
 10206  	// match: (MOVHUreg (SLLconst [lc] x))
 10207  	// cond: lc < 16
 10208  	// result: (UBFIZ [armBFAuxInt(lc, 16-lc)] x)
 10209  	for {
 10210  		if v_0.Op != OpARM64SLLconst {
 10211  			break
 10212  		}
 10213  		lc := auxIntToInt64(v_0.AuxInt)
 10214  		x := v_0.Args[0]
 10215  		if !(lc < 16) {
 10216  			break
 10217  		}
 10218  		v.reset(OpARM64UBFIZ)
 10219  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 16-lc))
 10220  		v.AddArg(x)
 10221  		return true
 10222  	}
 10223  	// match: (MOVHUreg (SRLconst [rc] x))
 10224  	// cond: rc < 16
 10225  	// result: (UBFX [armBFAuxInt(rc, 16)] x)
 10226  	for {
 10227  		if v_0.Op != OpARM64SRLconst {
 10228  			break
 10229  		}
 10230  		rc := auxIntToInt64(v_0.AuxInt)
 10231  		x := v_0.Args[0]
 10232  		if !(rc < 16) {
 10233  			break
 10234  		}
 10235  		v.reset(OpARM64UBFX)
 10236  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 16))
 10237  		v.AddArg(x)
 10238  		return true
 10239  	}
 10240  	// match: (MOVHUreg (UBFX [bfc] x))
 10241  	// cond: bfc.getARM64BFwidth() <= 16
 10242  	// result: (UBFX [bfc] x)
 10243  	for {
 10244  		if v_0.Op != OpARM64UBFX {
 10245  			break
 10246  		}
 10247  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 10248  		x := v_0.Args[0]
 10249  		if !(bfc.getARM64BFwidth() <= 16) {
 10250  			break
 10251  		}
 10252  		v.reset(OpARM64UBFX)
 10253  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 10254  		v.AddArg(x)
 10255  		return true
 10256  	}
 10257  	return false
 10258  }
 10259  func rewriteValueARM64_OpARM64MOVHload(v *Value) bool {
 10260  	v_1 := v.Args[1]
 10261  	v_0 := v.Args[0]
 10262  	b := v.Block
 10263  	config := b.Func.Config
 10264  	// match: (MOVHload [off1] {sym} (ADDconst [off2] ptr) mem)
 10265  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10266  	// result: (MOVHload [off1+int32(off2)] {sym} ptr mem)
 10267  	for {
 10268  		off1 := auxIntToInt32(v.AuxInt)
 10269  		sym := auxToSym(v.Aux)
 10270  		if v_0.Op != OpARM64ADDconst {
 10271  			break
 10272  		}
 10273  		off2 := auxIntToInt64(v_0.AuxInt)
 10274  		ptr := v_0.Args[0]
 10275  		mem := v_1
 10276  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10277  			break
 10278  		}
 10279  		v.reset(OpARM64MOVHload)
 10280  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 10281  		v.Aux = symToAux(sym)
 10282  		v.AddArg2(ptr, mem)
 10283  		return true
 10284  	}
 10285  	// match: (MOVHload [off] {sym} (ADD ptr idx) mem)
 10286  	// cond: off == 0 && sym == nil
 10287  	// result: (MOVHloadidx ptr idx mem)
 10288  	for {
 10289  		off := auxIntToInt32(v.AuxInt)
 10290  		sym := auxToSym(v.Aux)
 10291  		if v_0.Op != OpARM64ADD {
 10292  			break
 10293  		}
 10294  		idx := v_0.Args[1]
 10295  		ptr := v_0.Args[0]
 10296  		mem := v_1
 10297  		if !(off == 0 && sym == nil) {
 10298  			break
 10299  		}
 10300  		v.reset(OpARM64MOVHloadidx)
 10301  		v.AddArg3(ptr, idx, mem)
 10302  		return true
 10303  	}
 10304  	// match: (MOVHload [off] {sym} (ADDshiftLL [1] ptr idx) mem)
 10305  	// cond: off == 0 && sym == nil
 10306  	// result: (MOVHloadidx2 ptr idx mem)
 10307  	for {
 10308  		off := auxIntToInt32(v.AuxInt)
 10309  		sym := auxToSym(v.Aux)
 10310  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 {
 10311  			break
 10312  		}
 10313  		idx := v_0.Args[1]
 10314  		ptr := v_0.Args[0]
 10315  		mem := v_1
 10316  		if !(off == 0 && sym == nil) {
 10317  			break
 10318  		}
 10319  		v.reset(OpARM64MOVHloadidx2)
 10320  		v.AddArg3(ptr, idx, mem)
 10321  		return true
 10322  	}
 10323  	// match: (MOVHload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 10324  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10325  	// result: (MOVHload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 10326  	for {
 10327  		off1 := auxIntToInt32(v.AuxInt)
 10328  		sym1 := auxToSym(v.Aux)
 10329  		if v_0.Op != OpARM64MOVDaddr {
 10330  			break
 10331  		}
 10332  		off2 := auxIntToInt32(v_0.AuxInt)
 10333  		sym2 := auxToSym(v_0.Aux)
 10334  		ptr := v_0.Args[0]
 10335  		mem := v_1
 10336  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10337  			break
 10338  		}
 10339  		v.reset(OpARM64MOVHload)
 10340  		v.AuxInt = int32ToAuxInt(off1 + off2)
 10341  		v.Aux = symToAux(mergeSym(sym1, sym2))
 10342  		v.AddArg2(ptr, mem)
 10343  		return true
 10344  	}
 10345  	// match: (MOVHload [off] {sym} ptr (MOVHstorezero [off2] {sym2} ptr2 _))
 10346  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 10347  	// result: (MOVDconst [0])
 10348  	for {
 10349  		off := auxIntToInt32(v.AuxInt)
 10350  		sym := auxToSym(v.Aux)
 10351  		ptr := v_0
 10352  		if v_1.Op != OpARM64MOVHstorezero {
 10353  			break
 10354  		}
 10355  		off2 := auxIntToInt32(v_1.AuxInt)
 10356  		sym2 := auxToSym(v_1.Aux)
 10357  		ptr2 := v_1.Args[0]
 10358  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 10359  			break
 10360  		}
 10361  		v.reset(OpARM64MOVDconst)
 10362  		v.AuxInt = int64ToAuxInt(0)
 10363  		return true
 10364  	}
 10365  	return false
 10366  }
 10367  func rewriteValueARM64_OpARM64MOVHloadidx(v *Value) bool {
 10368  	v_2 := v.Args[2]
 10369  	v_1 := v.Args[1]
 10370  	v_0 := v.Args[0]
 10371  	// match: (MOVHloadidx ptr (MOVDconst [c]) mem)
 10372  	// cond: is32Bit(c)
 10373  	// result: (MOVHload [int32(c)] ptr mem)
 10374  	for {
 10375  		ptr := v_0
 10376  		if v_1.Op != OpARM64MOVDconst {
 10377  			break
 10378  		}
 10379  		c := auxIntToInt64(v_1.AuxInt)
 10380  		mem := v_2
 10381  		if !(is32Bit(c)) {
 10382  			break
 10383  		}
 10384  		v.reset(OpARM64MOVHload)
 10385  		v.AuxInt = int32ToAuxInt(int32(c))
 10386  		v.AddArg2(ptr, mem)
 10387  		return true
 10388  	}
 10389  	// match: (MOVHloadidx (MOVDconst [c]) ptr mem)
 10390  	// cond: is32Bit(c)
 10391  	// result: (MOVHload [int32(c)] ptr mem)
 10392  	for {
 10393  		if v_0.Op != OpARM64MOVDconst {
 10394  			break
 10395  		}
 10396  		c := auxIntToInt64(v_0.AuxInt)
 10397  		ptr := v_1
 10398  		mem := v_2
 10399  		if !(is32Bit(c)) {
 10400  			break
 10401  		}
 10402  		v.reset(OpARM64MOVHload)
 10403  		v.AuxInt = int32ToAuxInt(int32(c))
 10404  		v.AddArg2(ptr, mem)
 10405  		return true
 10406  	}
 10407  	// match: (MOVHloadidx ptr (SLLconst [1] idx) mem)
 10408  	// result: (MOVHloadidx2 ptr idx mem)
 10409  	for {
 10410  		ptr := v_0
 10411  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 1 {
 10412  			break
 10413  		}
 10414  		idx := v_1.Args[0]
 10415  		mem := v_2
 10416  		v.reset(OpARM64MOVHloadidx2)
 10417  		v.AddArg3(ptr, idx, mem)
 10418  		return true
 10419  	}
 10420  	// match: (MOVHloadidx ptr (ADD idx idx) mem)
 10421  	// result: (MOVHloadidx2 ptr idx mem)
 10422  	for {
 10423  		ptr := v_0
 10424  		if v_1.Op != OpARM64ADD {
 10425  			break
 10426  		}
 10427  		idx := v_1.Args[1]
 10428  		if idx != v_1.Args[0] {
 10429  			break
 10430  		}
 10431  		mem := v_2
 10432  		v.reset(OpARM64MOVHloadidx2)
 10433  		v.AddArg3(ptr, idx, mem)
 10434  		return true
 10435  	}
 10436  	// match: (MOVHloadidx (ADD idx idx) ptr mem)
 10437  	// result: (MOVHloadidx2 ptr idx mem)
 10438  	for {
 10439  		if v_0.Op != OpARM64ADD {
 10440  			break
 10441  		}
 10442  		idx := v_0.Args[1]
 10443  		if idx != v_0.Args[0] {
 10444  			break
 10445  		}
 10446  		ptr := v_1
 10447  		mem := v_2
 10448  		v.reset(OpARM64MOVHloadidx2)
 10449  		v.AddArg3(ptr, idx, mem)
 10450  		return true
 10451  	}
 10452  	// match: (MOVHloadidx ptr idx (MOVHstorezeroidx ptr2 idx2 _))
 10453  	// cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2))
 10454  	// result: (MOVDconst [0])
 10455  	for {
 10456  		ptr := v_0
 10457  		idx := v_1
 10458  		if v_2.Op != OpARM64MOVHstorezeroidx {
 10459  			break
 10460  		}
 10461  		idx2 := v_2.Args[1]
 10462  		ptr2 := v_2.Args[0]
 10463  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) {
 10464  			break
 10465  		}
 10466  		v.reset(OpARM64MOVDconst)
 10467  		v.AuxInt = int64ToAuxInt(0)
 10468  		return true
 10469  	}
 10470  	return false
 10471  }
 10472  func rewriteValueARM64_OpARM64MOVHloadidx2(v *Value) bool {
 10473  	v_2 := v.Args[2]
 10474  	v_1 := v.Args[1]
 10475  	v_0 := v.Args[0]
 10476  	// match: (MOVHloadidx2 ptr (MOVDconst [c]) mem)
 10477  	// cond: is32Bit(c<<1)
 10478  	// result: (MOVHload [int32(c)<<1] ptr mem)
 10479  	for {
 10480  		ptr := v_0
 10481  		if v_1.Op != OpARM64MOVDconst {
 10482  			break
 10483  		}
 10484  		c := auxIntToInt64(v_1.AuxInt)
 10485  		mem := v_2
 10486  		if !(is32Bit(c << 1)) {
 10487  			break
 10488  		}
 10489  		v.reset(OpARM64MOVHload)
 10490  		v.AuxInt = int32ToAuxInt(int32(c) << 1)
 10491  		v.AddArg2(ptr, mem)
 10492  		return true
 10493  	}
 10494  	// match: (MOVHloadidx2 ptr idx (MOVHstorezeroidx2 ptr2 idx2 _))
 10495  	// cond: isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)
 10496  	// result: (MOVDconst [0])
 10497  	for {
 10498  		ptr := v_0
 10499  		idx := v_1
 10500  		if v_2.Op != OpARM64MOVHstorezeroidx2 {
 10501  			break
 10502  		}
 10503  		idx2 := v_2.Args[1]
 10504  		ptr2 := v_2.Args[0]
 10505  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)) {
 10506  			break
 10507  		}
 10508  		v.reset(OpARM64MOVDconst)
 10509  		v.AuxInt = int64ToAuxInt(0)
 10510  		return true
 10511  	}
 10512  	return false
 10513  }
 10514  func rewriteValueARM64_OpARM64MOVHreg(v *Value) bool {
 10515  	v_0 := v.Args[0]
 10516  	// match: (MOVHreg (MOVDconst [c]))
 10517  	// result: (MOVDconst [int64(int16(c))])
 10518  	for {
 10519  		if v_0.Op != OpARM64MOVDconst {
 10520  			break
 10521  		}
 10522  		c := auxIntToInt64(v_0.AuxInt)
 10523  		v.reset(OpARM64MOVDconst)
 10524  		v.AuxInt = int64ToAuxInt(int64(int16(c)))
 10525  		return true
 10526  	}
 10527  	// match: (MOVHreg x)
 10528  	// cond: v.Type.Size() <= 2
 10529  	// result: x
 10530  	for {
 10531  		x := v_0
 10532  		if !(v.Type.Size() <= 2) {
 10533  			break
 10534  		}
 10535  		v.copyOf(x)
 10536  		return true
 10537  	}
 10538  	// match: (MOVHreg <t> (ANDconst x [c]))
 10539  	// cond: uint64(c) & uint64(0xffffffffffff8000) == 0
 10540  	// result: (ANDconst <t> x [c])
 10541  	for {
 10542  		t := v.Type
 10543  		if v_0.Op != OpARM64ANDconst {
 10544  			break
 10545  		}
 10546  		c := auxIntToInt64(v_0.AuxInt)
 10547  		x := v_0.Args[0]
 10548  		if !(uint64(c)&uint64(0xffffffffffff8000) == 0) {
 10549  			break
 10550  		}
 10551  		v.reset(OpARM64ANDconst)
 10552  		v.Type = t
 10553  		v.AuxInt = int64ToAuxInt(c)
 10554  		v.AddArg(x)
 10555  		return true
 10556  	}
 10557  	// match: (MOVHreg (SLLconst [lc] x))
 10558  	// cond: lc < 16
 10559  	// result: (SBFIZ [armBFAuxInt(lc, 16-lc)] x)
 10560  	for {
 10561  		if v_0.Op != OpARM64SLLconst {
 10562  			break
 10563  		}
 10564  		lc := auxIntToInt64(v_0.AuxInt)
 10565  		x := v_0.Args[0]
 10566  		if !(lc < 16) {
 10567  			break
 10568  		}
 10569  		v.reset(OpARM64SBFIZ)
 10570  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 16-lc))
 10571  		v.AddArg(x)
 10572  		return true
 10573  	}
 10574  	// match: (MOVHreg (SBFX [bfc] x))
 10575  	// cond: bfc.getARM64BFwidth() <= 16
 10576  	// result: (SBFX [bfc] x)
 10577  	for {
 10578  		if v_0.Op != OpARM64SBFX {
 10579  			break
 10580  		}
 10581  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 10582  		x := v_0.Args[0]
 10583  		if !(bfc.getARM64BFwidth() <= 16) {
 10584  			break
 10585  		}
 10586  		v.reset(OpARM64SBFX)
 10587  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 10588  		v.AddArg(x)
 10589  		return true
 10590  	}
 10591  	return false
 10592  }
 10593  func rewriteValueARM64_OpARM64MOVHstore(v *Value) bool {
 10594  	v_2 := v.Args[2]
 10595  	v_1 := v.Args[1]
 10596  	v_0 := v.Args[0]
 10597  	b := v.Block
 10598  	config := b.Func.Config
 10599  	// match: (MOVHstore [off1] {sym} (ADDconst [off2] ptr) val mem)
 10600  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10601  	// result: (MOVHstore [off1+int32(off2)] {sym} ptr val mem)
 10602  	for {
 10603  		off1 := auxIntToInt32(v.AuxInt)
 10604  		sym := auxToSym(v.Aux)
 10605  		if v_0.Op != OpARM64ADDconst {
 10606  			break
 10607  		}
 10608  		off2 := auxIntToInt64(v_0.AuxInt)
 10609  		ptr := v_0.Args[0]
 10610  		val := v_1
 10611  		mem := v_2
 10612  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10613  			break
 10614  		}
 10615  		v.reset(OpARM64MOVHstore)
 10616  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 10617  		v.Aux = symToAux(sym)
 10618  		v.AddArg3(ptr, val, mem)
 10619  		return true
 10620  	}
 10621  	// match: (MOVHstore [off] {sym} (ADD ptr idx) val mem)
 10622  	// cond: off == 0 && sym == nil
 10623  	// result: (MOVHstoreidx ptr idx val mem)
 10624  	for {
 10625  		off := auxIntToInt32(v.AuxInt)
 10626  		sym := auxToSym(v.Aux)
 10627  		if v_0.Op != OpARM64ADD {
 10628  			break
 10629  		}
 10630  		idx := v_0.Args[1]
 10631  		ptr := v_0.Args[0]
 10632  		val := v_1
 10633  		mem := v_2
 10634  		if !(off == 0 && sym == nil) {
 10635  			break
 10636  		}
 10637  		v.reset(OpARM64MOVHstoreidx)
 10638  		v.AddArg4(ptr, idx, val, mem)
 10639  		return true
 10640  	}
 10641  	// match: (MOVHstore [off] {sym} (ADDshiftLL [1] ptr idx) val mem)
 10642  	// cond: off == 0 && sym == nil
 10643  	// result: (MOVHstoreidx2 ptr idx val mem)
 10644  	for {
 10645  		off := auxIntToInt32(v.AuxInt)
 10646  		sym := auxToSym(v.Aux)
 10647  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 {
 10648  			break
 10649  		}
 10650  		idx := v_0.Args[1]
 10651  		ptr := v_0.Args[0]
 10652  		val := v_1
 10653  		mem := v_2
 10654  		if !(off == 0 && sym == nil) {
 10655  			break
 10656  		}
 10657  		v.reset(OpARM64MOVHstoreidx2)
 10658  		v.AddArg4(ptr, idx, val, mem)
 10659  		return true
 10660  	}
 10661  	// match: (MOVHstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
 10662  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10663  	// result: (MOVHstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
 10664  	for {
 10665  		off1 := auxIntToInt32(v.AuxInt)
 10666  		sym1 := auxToSym(v.Aux)
 10667  		if v_0.Op != OpARM64MOVDaddr {
 10668  			break
 10669  		}
 10670  		off2 := auxIntToInt32(v_0.AuxInt)
 10671  		sym2 := auxToSym(v_0.Aux)
 10672  		ptr := v_0.Args[0]
 10673  		val := v_1
 10674  		mem := v_2
 10675  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10676  			break
 10677  		}
 10678  		v.reset(OpARM64MOVHstore)
 10679  		v.AuxInt = int32ToAuxInt(off1 + off2)
 10680  		v.Aux = symToAux(mergeSym(sym1, sym2))
 10681  		v.AddArg3(ptr, val, mem)
 10682  		return true
 10683  	}
 10684  	// match: (MOVHstore [off] {sym} ptr (MOVDconst [0]) mem)
 10685  	// result: (MOVHstorezero [off] {sym} ptr mem)
 10686  	for {
 10687  		off := auxIntToInt32(v.AuxInt)
 10688  		sym := auxToSym(v.Aux)
 10689  		ptr := v_0
 10690  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
 10691  			break
 10692  		}
 10693  		mem := v_2
 10694  		v.reset(OpARM64MOVHstorezero)
 10695  		v.AuxInt = int32ToAuxInt(off)
 10696  		v.Aux = symToAux(sym)
 10697  		v.AddArg2(ptr, mem)
 10698  		return true
 10699  	}
 10700  	// match: (MOVHstore [off] {sym} ptr (MOVHreg x) mem)
 10701  	// result: (MOVHstore [off] {sym} ptr x mem)
 10702  	for {
 10703  		off := auxIntToInt32(v.AuxInt)
 10704  		sym := auxToSym(v.Aux)
 10705  		ptr := v_0
 10706  		if v_1.Op != OpARM64MOVHreg {
 10707  			break
 10708  		}
 10709  		x := v_1.Args[0]
 10710  		mem := v_2
 10711  		v.reset(OpARM64MOVHstore)
 10712  		v.AuxInt = int32ToAuxInt(off)
 10713  		v.Aux = symToAux(sym)
 10714  		v.AddArg3(ptr, x, mem)
 10715  		return true
 10716  	}
 10717  	// match: (MOVHstore [off] {sym} ptr (MOVHUreg x) mem)
 10718  	// result: (MOVHstore [off] {sym} ptr x mem)
 10719  	for {
 10720  		off := auxIntToInt32(v.AuxInt)
 10721  		sym := auxToSym(v.Aux)
 10722  		ptr := v_0
 10723  		if v_1.Op != OpARM64MOVHUreg {
 10724  			break
 10725  		}
 10726  		x := v_1.Args[0]
 10727  		mem := v_2
 10728  		v.reset(OpARM64MOVHstore)
 10729  		v.AuxInt = int32ToAuxInt(off)
 10730  		v.Aux = symToAux(sym)
 10731  		v.AddArg3(ptr, x, mem)
 10732  		return true
 10733  	}
 10734  	// match: (MOVHstore [off] {sym} ptr (MOVWreg x) mem)
 10735  	// result: (MOVHstore [off] {sym} ptr x mem)
 10736  	for {
 10737  		off := auxIntToInt32(v.AuxInt)
 10738  		sym := auxToSym(v.Aux)
 10739  		ptr := v_0
 10740  		if v_1.Op != OpARM64MOVWreg {
 10741  			break
 10742  		}
 10743  		x := v_1.Args[0]
 10744  		mem := v_2
 10745  		v.reset(OpARM64MOVHstore)
 10746  		v.AuxInt = int32ToAuxInt(off)
 10747  		v.Aux = symToAux(sym)
 10748  		v.AddArg3(ptr, x, mem)
 10749  		return true
 10750  	}
 10751  	// match: (MOVHstore [off] {sym} ptr (MOVWUreg x) mem)
 10752  	// result: (MOVHstore [off] {sym} ptr x mem)
 10753  	for {
 10754  		off := auxIntToInt32(v.AuxInt)
 10755  		sym := auxToSym(v.Aux)
 10756  		ptr := v_0
 10757  		if v_1.Op != OpARM64MOVWUreg {
 10758  			break
 10759  		}
 10760  		x := v_1.Args[0]
 10761  		mem := v_2
 10762  		v.reset(OpARM64MOVHstore)
 10763  		v.AuxInt = int32ToAuxInt(off)
 10764  		v.Aux = symToAux(sym)
 10765  		v.AddArg3(ptr, x, mem)
 10766  		return true
 10767  	}
 10768  	return false
 10769  }
 10770  func rewriteValueARM64_OpARM64MOVHstoreidx(v *Value) bool {
 10771  	v_3 := v.Args[3]
 10772  	v_2 := v.Args[2]
 10773  	v_1 := v.Args[1]
 10774  	v_0 := v.Args[0]
 10775  	// match: (MOVHstoreidx ptr (MOVDconst [c]) val mem)
 10776  	// cond: is32Bit(c)
 10777  	// result: (MOVHstore [int32(c)] ptr val mem)
 10778  	for {
 10779  		ptr := v_0
 10780  		if v_1.Op != OpARM64MOVDconst {
 10781  			break
 10782  		}
 10783  		c := auxIntToInt64(v_1.AuxInt)
 10784  		val := v_2
 10785  		mem := v_3
 10786  		if !(is32Bit(c)) {
 10787  			break
 10788  		}
 10789  		v.reset(OpARM64MOVHstore)
 10790  		v.AuxInt = int32ToAuxInt(int32(c))
 10791  		v.AddArg3(ptr, val, mem)
 10792  		return true
 10793  	}
 10794  	// match: (MOVHstoreidx (MOVDconst [c]) idx val mem)
 10795  	// cond: is32Bit(c)
 10796  	// result: (MOVHstore [int32(c)] idx val mem)
 10797  	for {
 10798  		if v_0.Op != OpARM64MOVDconst {
 10799  			break
 10800  		}
 10801  		c := auxIntToInt64(v_0.AuxInt)
 10802  		idx := v_1
 10803  		val := v_2
 10804  		mem := v_3
 10805  		if !(is32Bit(c)) {
 10806  			break
 10807  		}
 10808  		v.reset(OpARM64MOVHstore)
 10809  		v.AuxInt = int32ToAuxInt(int32(c))
 10810  		v.AddArg3(idx, val, mem)
 10811  		return true
 10812  	}
 10813  	// match: (MOVHstoreidx ptr (SLLconst [1] idx) val mem)
 10814  	// result: (MOVHstoreidx2 ptr idx val mem)
 10815  	for {
 10816  		ptr := v_0
 10817  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 1 {
 10818  			break
 10819  		}
 10820  		idx := v_1.Args[0]
 10821  		val := v_2
 10822  		mem := v_3
 10823  		v.reset(OpARM64MOVHstoreidx2)
 10824  		v.AddArg4(ptr, idx, val, mem)
 10825  		return true
 10826  	}
 10827  	// match: (MOVHstoreidx ptr (ADD idx idx) val mem)
 10828  	// result: (MOVHstoreidx2 ptr idx val mem)
 10829  	for {
 10830  		ptr := v_0
 10831  		if v_1.Op != OpARM64ADD {
 10832  			break
 10833  		}
 10834  		idx := v_1.Args[1]
 10835  		if idx != v_1.Args[0] {
 10836  			break
 10837  		}
 10838  		val := v_2
 10839  		mem := v_3
 10840  		v.reset(OpARM64MOVHstoreidx2)
 10841  		v.AddArg4(ptr, idx, val, mem)
 10842  		return true
 10843  	}
 10844  	// match: (MOVHstoreidx (SLLconst [1] idx) ptr val mem)
 10845  	// result: (MOVHstoreidx2 ptr idx val mem)
 10846  	for {
 10847  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 1 {
 10848  			break
 10849  		}
 10850  		idx := v_0.Args[0]
 10851  		ptr := v_1
 10852  		val := v_2
 10853  		mem := v_3
 10854  		v.reset(OpARM64MOVHstoreidx2)
 10855  		v.AddArg4(ptr, idx, val, mem)
 10856  		return true
 10857  	}
 10858  	// match: (MOVHstoreidx (ADD idx idx) ptr val mem)
 10859  	// result: (MOVHstoreidx2 ptr idx val mem)
 10860  	for {
 10861  		if v_0.Op != OpARM64ADD {
 10862  			break
 10863  		}
 10864  		idx := v_0.Args[1]
 10865  		if idx != v_0.Args[0] {
 10866  			break
 10867  		}
 10868  		ptr := v_1
 10869  		val := v_2
 10870  		mem := v_3
 10871  		v.reset(OpARM64MOVHstoreidx2)
 10872  		v.AddArg4(ptr, idx, val, mem)
 10873  		return true
 10874  	}
 10875  	// match: (MOVHstoreidx ptr idx (MOVDconst [0]) mem)
 10876  	// result: (MOVHstorezeroidx ptr idx mem)
 10877  	for {
 10878  		ptr := v_0
 10879  		idx := v_1
 10880  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
 10881  			break
 10882  		}
 10883  		mem := v_3
 10884  		v.reset(OpARM64MOVHstorezeroidx)
 10885  		v.AddArg3(ptr, idx, mem)
 10886  		return true
 10887  	}
 10888  	// match: (MOVHstoreidx ptr idx (MOVHreg x) mem)
 10889  	// result: (MOVHstoreidx ptr idx x mem)
 10890  	for {
 10891  		ptr := v_0
 10892  		idx := v_1
 10893  		if v_2.Op != OpARM64MOVHreg {
 10894  			break
 10895  		}
 10896  		x := v_2.Args[0]
 10897  		mem := v_3
 10898  		v.reset(OpARM64MOVHstoreidx)
 10899  		v.AddArg4(ptr, idx, x, mem)
 10900  		return true
 10901  	}
 10902  	// match: (MOVHstoreidx ptr idx (MOVHUreg x) mem)
 10903  	// result: (MOVHstoreidx ptr idx x mem)
 10904  	for {
 10905  		ptr := v_0
 10906  		idx := v_1
 10907  		if v_2.Op != OpARM64MOVHUreg {
 10908  			break
 10909  		}
 10910  		x := v_2.Args[0]
 10911  		mem := v_3
 10912  		v.reset(OpARM64MOVHstoreidx)
 10913  		v.AddArg4(ptr, idx, x, mem)
 10914  		return true
 10915  	}
 10916  	// match: (MOVHstoreidx ptr idx (MOVWreg x) mem)
 10917  	// result: (MOVHstoreidx ptr idx x mem)
 10918  	for {
 10919  		ptr := v_0
 10920  		idx := v_1
 10921  		if v_2.Op != OpARM64MOVWreg {
 10922  			break
 10923  		}
 10924  		x := v_2.Args[0]
 10925  		mem := v_3
 10926  		v.reset(OpARM64MOVHstoreidx)
 10927  		v.AddArg4(ptr, idx, x, mem)
 10928  		return true
 10929  	}
 10930  	// match: (MOVHstoreidx ptr idx (MOVWUreg x) mem)
 10931  	// result: (MOVHstoreidx ptr idx x mem)
 10932  	for {
 10933  		ptr := v_0
 10934  		idx := v_1
 10935  		if v_2.Op != OpARM64MOVWUreg {
 10936  			break
 10937  		}
 10938  		x := v_2.Args[0]
 10939  		mem := v_3
 10940  		v.reset(OpARM64MOVHstoreidx)
 10941  		v.AddArg4(ptr, idx, x, mem)
 10942  		return true
 10943  	}
 10944  	return false
 10945  }
 10946  func rewriteValueARM64_OpARM64MOVHstoreidx2(v *Value) bool {
 10947  	v_3 := v.Args[3]
 10948  	v_2 := v.Args[2]
 10949  	v_1 := v.Args[1]
 10950  	v_0 := v.Args[0]
 10951  	// match: (MOVHstoreidx2 ptr (MOVDconst [c]) val mem)
 10952  	// cond: is32Bit(c<<1)
 10953  	// result: (MOVHstore [int32(c)<<1] ptr val mem)
 10954  	for {
 10955  		ptr := v_0
 10956  		if v_1.Op != OpARM64MOVDconst {
 10957  			break
 10958  		}
 10959  		c := auxIntToInt64(v_1.AuxInt)
 10960  		val := v_2
 10961  		mem := v_3
 10962  		if !(is32Bit(c << 1)) {
 10963  			break
 10964  		}
 10965  		v.reset(OpARM64MOVHstore)
 10966  		v.AuxInt = int32ToAuxInt(int32(c) << 1)
 10967  		v.AddArg3(ptr, val, mem)
 10968  		return true
 10969  	}
 10970  	// match: (MOVHstoreidx2 ptr idx (MOVDconst [0]) mem)
 10971  	// result: (MOVHstorezeroidx2 ptr idx mem)
 10972  	for {
 10973  		ptr := v_0
 10974  		idx := v_1
 10975  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
 10976  			break
 10977  		}
 10978  		mem := v_3
 10979  		v.reset(OpARM64MOVHstorezeroidx2)
 10980  		v.AddArg3(ptr, idx, mem)
 10981  		return true
 10982  	}
 10983  	// match: (MOVHstoreidx2 ptr idx (MOVHreg x) mem)
 10984  	// result: (MOVHstoreidx2 ptr idx x mem)
 10985  	for {
 10986  		ptr := v_0
 10987  		idx := v_1
 10988  		if v_2.Op != OpARM64MOVHreg {
 10989  			break
 10990  		}
 10991  		x := v_2.Args[0]
 10992  		mem := v_3
 10993  		v.reset(OpARM64MOVHstoreidx2)
 10994  		v.AddArg4(ptr, idx, x, mem)
 10995  		return true
 10996  	}
 10997  	// match: (MOVHstoreidx2 ptr idx (MOVHUreg x) mem)
 10998  	// result: (MOVHstoreidx2 ptr idx x mem)
 10999  	for {
 11000  		ptr := v_0
 11001  		idx := v_1
 11002  		if v_2.Op != OpARM64MOVHUreg {
 11003  			break
 11004  		}
 11005  		x := v_2.Args[0]
 11006  		mem := v_3
 11007  		v.reset(OpARM64MOVHstoreidx2)
 11008  		v.AddArg4(ptr, idx, x, mem)
 11009  		return true
 11010  	}
 11011  	// match: (MOVHstoreidx2 ptr idx (MOVWreg x) mem)
 11012  	// result: (MOVHstoreidx2 ptr idx x mem)
 11013  	for {
 11014  		ptr := v_0
 11015  		idx := v_1
 11016  		if v_2.Op != OpARM64MOVWreg {
 11017  			break
 11018  		}
 11019  		x := v_2.Args[0]
 11020  		mem := v_3
 11021  		v.reset(OpARM64MOVHstoreidx2)
 11022  		v.AddArg4(ptr, idx, x, mem)
 11023  		return true
 11024  	}
 11025  	// match: (MOVHstoreidx2 ptr idx (MOVWUreg x) mem)
 11026  	// result: (MOVHstoreidx2 ptr idx x mem)
 11027  	for {
 11028  		ptr := v_0
 11029  		idx := v_1
 11030  		if v_2.Op != OpARM64MOVWUreg {
 11031  			break
 11032  		}
 11033  		x := v_2.Args[0]
 11034  		mem := v_3
 11035  		v.reset(OpARM64MOVHstoreidx2)
 11036  		v.AddArg4(ptr, idx, x, mem)
 11037  		return true
 11038  	}
 11039  	return false
 11040  }
 11041  func rewriteValueARM64_OpARM64MOVHstorezero(v *Value) bool {
 11042  	v_1 := v.Args[1]
 11043  	v_0 := v.Args[0]
 11044  	b := v.Block
 11045  	config := b.Func.Config
 11046  	// match: (MOVHstorezero [off1] {sym} (ADDconst [off2] ptr) mem)
 11047  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11048  	// result: (MOVHstorezero [off1+int32(off2)] {sym} ptr mem)
 11049  	for {
 11050  		off1 := auxIntToInt32(v.AuxInt)
 11051  		sym := auxToSym(v.Aux)
 11052  		if v_0.Op != OpARM64ADDconst {
 11053  			break
 11054  		}
 11055  		off2 := auxIntToInt64(v_0.AuxInt)
 11056  		ptr := v_0.Args[0]
 11057  		mem := v_1
 11058  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11059  			break
 11060  		}
 11061  		v.reset(OpARM64MOVHstorezero)
 11062  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 11063  		v.Aux = symToAux(sym)
 11064  		v.AddArg2(ptr, mem)
 11065  		return true
 11066  	}
 11067  	// match: (MOVHstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 11068  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11069  	// result: (MOVHstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 11070  	for {
 11071  		off1 := auxIntToInt32(v.AuxInt)
 11072  		sym1 := auxToSym(v.Aux)
 11073  		if v_0.Op != OpARM64MOVDaddr {
 11074  			break
 11075  		}
 11076  		off2 := auxIntToInt32(v_0.AuxInt)
 11077  		sym2 := auxToSym(v_0.Aux)
 11078  		ptr := v_0.Args[0]
 11079  		mem := v_1
 11080  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11081  			break
 11082  		}
 11083  		v.reset(OpARM64MOVHstorezero)
 11084  		v.AuxInt = int32ToAuxInt(off1 + off2)
 11085  		v.Aux = symToAux(mergeSym(sym1, sym2))
 11086  		v.AddArg2(ptr, mem)
 11087  		return true
 11088  	}
 11089  	// match: (MOVHstorezero [off] {sym} (ADD ptr idx) mem)
 11090  	// cond: off == 0 && sym == nil
 11091  	// result: (MOVHstorezeroidx ptr idx mem)
 11092  	for {
 11093  		off := auxIntToInt32(v.AuxInt)
 11094  		sym := auxToSym(v.Aux)
 11095  		if v_0.Op != OpARM64ADD {
 11096  			break
 11097  		}
 11098  		idx := v_0.Args[1]
 11099  		ptr := v_0.Args[0]
 11100  		mem := v_1
 11101  		if !(off == 0 && sym == nil) {
 11102  			break
 11103  		}
 11104  		v.reset(OpARM64MOVHstorezeroidx)
 11105  		v.AddArg3(ptr, idx, mem)
 11106  		return true
 11107  	}
 11108  	// match: (MOVHstorezero [off] {sym} (ADDshiftLL [1] ptr idx) mem)
 11109  	// cond: off == 0 && sym == nil
 11110  	// result: (MOVHstorezeroidx2 ptr idx mem)
 11111  	for {
 11112  		off := auxIntToInt32(v.AuxInt)
 11113  		sym := auxToSym(v.Aux)
 11114  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 {
 11115  			break
 11116  		}
 11117  		idx := v_0.Args[1]
 11118  		ptr := v_0.Args[0]
 11119  		mem := v_1
 11120  		if !(off == 0 && sym == nil) {
 11121  			break
 11122  		}
 11123  		v.reset(OpARM64MOVHstorezeroidx2)
 11124  		v.AddArg3(ptr, idx, mem)
 11125  		return true
 11126  	}
 11127  	return false
 11128  }
 11129  func rewriteValueARM64_OpARM64MOVHstorezeroidx(v *Value) bool {
 11130  	v_2 := v.Args[2]
 11131  	v_1 := v.Args[1]
 11132  	v_0 := v.Args[0]
 11133  	// match: (MOVHstorezeroidx ptr (MOVDconst [c]) mem)
 11134  	// cond: is32Bit(c)
 11135  	// result: (MOVHstorezero [int32(c)] ptr mem)
 11136  	for {
 11137  		ptr := v_0
 11138  		if v_1.Op != OpARM64MOVDconst {
 11139  			break
 11140  		}
 11141  		c := auxIntToInt64(v_1.AuxInt)
 11142  		mem := v_2
 11143  		if !(is32Bit(c)) {
 11144  			break
 11145  		}
 11146  		v.reset(OpARM64MOVHstorezero)
 11147  		v.AuxInt = int32ToAuxInt(int32(c))
 11148  		v.AddArg2(ptr, mem)
 11149  		return true
 11150  	}
 11151  	// match: (MOVHstorezeroidx (MOVDconst [c]) idx mem)
 11152  	// cond: is32Bit(c)
 11153  	// result: (MOVHstorezero [int32(c)] idx mem)
 11154  	for {
 11155  		if v_0.Op != OpARM64MOVDconst {
 11156  			break
 11157  		}
 11158  		c := auxIntToInt64(v_0.AuxInt)
 11159  		idx := v_1
 11160  		mem := v_2
 11161  		if !(is32Bit(c)) {
 11162  			break
 11163  		}
 11164  		v.reset(OpARM64MOVHstorezero)
 11165  		v.AuxInt = int32ToAuxInt(int32(c))
 11166  		v.AddArg2(idx, mem)
 11167  		return true
 11168  	}
 11169  	// match: (MOVHstorezeroidx ptr (SLLconst [1] idx) mem)
 11170  	// result: (MOVHstorezeroidx2 ptr idx mem)
 11171  	for {
 11172  		ptr := v_0
 11173  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 1 {
 11174  			break
 11175  		}
 11176  		idx := v_1.Args[0]
 11177  		mem := v_2
 11178  		v.reset(OpARM64MOVHstorezeroidx2)
 11179  		v.AddArg3(ptr, idx, mem)
 11180  		return true
 11181  	}
 11182  	// match: (MOVHstorezeroidx ptr (ADD idx idx) mem)
 11183  	// result: (MOVHstorezeroidx2 ptr idx mem)
 11184  	for {
 11185  		ptr := v_0
 11186  		if v_1.Op != OpARM64ADD {
 11187  			break
 11188  		}
 11189  		idx := v_1.Args[1]
 11190  		if idx != v_1.Args[0] {
 11191  			break
 11192  		}
 11193  		mem := v_2
 11194  		v.reset(OpARM64MOVHstorezeroidx2)
 11195  		v.AddArg3(ptr, idx, mem)
 11196  		return true
 11197  	}
 11198  	// match: (MOVHstorezeroidx (SLLconst [1] idx) ptr mem)
 11199  	// result: (MOVHstorezeroidx2 ptr idx mem)
 11200  	for {
 11201  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 1 {
 11202  			break
 11203  		}
 11204  		idx := v_0.Args[0]
 11205  		ptr := v_1
 11206  		mem := v_2
 11207  		v.reset(OpARM64MOVHstorezeroidx2)
 11208  		v.AddArg3(ptr, idx, mem)
 11209  		return true
 11210  	}
 11211  	// match: (MOVHstorezeroidx (ADD idx idx) ptr mem)
 11212  	// result: (MOVHstorezeroidx2 ptr idx mem)
 11213  	for {
 11214  		if v_0.Op != OpARM64ADD {
 11215  			break
 11216  		}
 11217  		idx := v_0.Args[1]
 11218  		if idx != v_0.Args[0] {
 11219  			break
 11220  		}
 11221  		ptr := v_1
 11222  		mem := v_2
 11223  		v.reset(OpARM64MOVHstorezeroidx2)
 11224  		v.AddArg3(ptr, idx, mem)
 11225  		return true
 11226  	}
 11227  	return false
 11228  }
 11229  func rewriteValueARM64_OpARM64MOVHstorezeroidx2(v *Value) bool {
 11230  	v_2 := v.Args[2]
 11231  	v_1 := v.Args[1]
 11232  	v_0 := v.Args[0]
 11233  	// match: (MOVHstorezeroidx2 ptr (MOVDconst [c]) mem)
 11234  	// cond: is32Bit(c<<1)
 11235  	// result: (MOVHstorezero [int32(c<<1)] ptr mem)
 11236  	for {
 11237  		ptr := v_0
 11238  		if v_1.Op != OpARM64MOVDconst {
 11239  			break
 11240  		}
 11241  		c := auxIntToInt64(v_1.AuxInt)
 11242  		mem := v_2
 11243  		if !(is32Bit(c << 1)) {
 11244  			break
 11245  		}
 11246  		v.reset(OpARM64MOVHstorezero)
 11247  		v.AuxInt = int32ToAuxInt(int32(c << 1))
 11248  		v.AddArg2(ptr, mem)
 11249  		return true
 11250  	}
 11251  	return false
 11252  }
 11253  func rewriteValueARM64_OpARM64MOVQstorezero(v *Value) bool {
 11254  	v_1 := v.Args[1]
 11255  	v_0 := v.Args[0]
 11256  	b := v.Block
 11257  	config := b.Func.Config
 11258  	// match: (MOVQstorezero [off1] {sym} (ADDconst [off2] ptr) mem)
 11259  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11260  	// result: (MOVQstorezero [off1+int32(off2)] {sym} ptr mem)
 11261  	for {
 11262  		off1 := auxIntToInt32(v.AuxInt)
 11263  		sym := auxToSym(v.Aux)
 11264  		if v_0.Op != OpARM64ADDconst {
 11265  			break
 11266  		}
 11267  		off2 := auxIntToInt64(v_0.AuxInt)
 11268  		ptr := v_0.Args[0]
 11269  		mem := v_1
 11270  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11271  			break
 11272  		}
 11273  		v.reset(OpARM64MOVQstorezero)
 11274  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 11275  		v.Aux = symToAux(sym)
 11276  		v.AddArg2(ptr, mem)
 11277  		return true
 11278  	}
 11279  	// match: (MOVQstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 11280  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11281  	// result: (MOVQstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 11282  	for {
 11283  		off1 := auxIntToInt32(v.AuxInt)
 11284  		sym1 := auxToSym(v.Aux)
 11285  		if v_0.Op != OpARM64MOVDaddr {
 11286  			break
 11287  		}
 11288  		off2 := auxIntToInt32(v_0.AuxInt)
 11289  		sym2 := auxToSym(v_0.Aux)
 11290  		ptr := v_0.Args[0]
 11291  		mem := v_1
 11292  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11293  			break
 11294  		}
 11295  		v.reset(OpARM64MOVQstorezero)
 11296  		v.AuxInt = int32ToAuxInt(off1 + off2)
 11297  		v.Aux = symToAux(mergeSym(sym1, sym2))
 11298  		v.AddArg2(ptr, mem)
 11299  		return true
 11300  	}
 11301  	return false
 11302  }
 11303  func rewriteValueARM64_OpARM64MOVWUload(v *Value) bool {
 11304  	v_1 := v.Args[1]
 11305  	v_0 := v.Args[0]
 11306  	b := v.Block
 11307  	config := b.Func.Config
 11308  	// match: (MOVWUload [off] {sym} ptr (FMOVSstore [off] {sym} ptr val _))
 11309  	// result: (FMOVSfpgp val)
 11310  	for {
 11311  		off := auxIntToInt32(v.AuxInt)
 11312  		sym := auxToSym(v.Aux)
 11313  		ptr := v_0
 11314  		if v_1.Op != OpARM64FMOVSstore || auxIntToInt32(v_1.AuxInt) != off || auxToSym(v_1.Aux) != sym {
 11315  			break
 11316  		}
 11317  		val := v_1.Args[1]
 11318  		if ptr != v_1.Args[0] {
 11319  			break
 11320  		}
 11321  		v.reset(OpARM64FMOVSfpgp)
 11322  		v.AddArg(val)
 11323  		return true
 11324  	}
 11325  	// match: (MOVWUload [off1] {sym} (ADDconst [off2] ptr) mem)
 11326  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11327  	// result: (MOVWUload [off1+int32(off2)] {sym} ptr mem)
 11328  	for {
 11329  		off1 := auxIntToInt32(v.AuxInt)
 11330  		sym := auxToSym(v.Aux)
 11331  		if v_0.Op != OpARM64ADDconst {
 11332  			break
 11333  		}
 11334  		off2 := auxIntToInt64(v_0.AuxInt)
 11335  		ptr := v_0.Args[0]
 11336  		mem := v_1
 11337  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11338  			break
 11339  		}
 11340  		v.reset(OpARM64MOVWUload)
 11341  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 11342  		v.Aux = symToAux(sym)
 11343  		v.AddArg2(ptr, mem)
 11344  		return true
 11345  	}
 11346  	// match: (MOVWUload [off] {sym} (ADD ptr idx) mem)
 11347  	// cond: off == 0 && sym == nil
 11348  	// result: (MOVWUloadidx ptr idx mem)
 11349  	for {
 11350  		off := auxIntToInt32(v.AuxInt)
 11351  		sym := auxToSym(v.Aux)
 11352  		if v_0.Op != OpARM64ADD {
 11353  			break
 11354  		}
 11355  		idx := v_0.Args[1]
 11356  		ptr := v_0.Args[0]
 11357  		mem := v_1
 11358  		if !(off == 0 && sym == nil) {
 11359  			break
 11360  		}
 11361  		v.reset(OpARM64MOVWUloadidx)
 11362  		v.AddArg3(ptr, idx, mem)
 11363  		return true
 11364  	}
 11365  	// match: (MOVWUload [off] {sym} (ADDshiftLL [2] ptr idx) mem)
 11366  	// cond: off == 0 && sym == nil
 11367  	// result: (MOVWUloadidx4 ptr idx mem)
 11368  	for {
 11369  		off := auxIntToInt32(v.AuxInt)
 11370  		sym := auxToSym(v.Aux)
 11371  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
 11372  			break
 11373  		}
 11374  		idx := v_0.Args[1]
 11375  		ptr := v_0.Args[0]
 11376  		mem := v_1
 11377  		if !(off == 0 && sym == nil) {
 11378  			break
 11379  		}
 11380  		v.reset(OpARM64MOVWUloadidx4)
 11381  		v.AddArg3(ptr, idx, mem)
 11382  		return true
 11383  	}
 11384  	// match: (MOVWUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 11385  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11386  	// result: (MOVWUload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 11387  	for {
 11388  		off1 := auxIntToInt32(v.AuxInt)
 11389  		sym1 := auxToSym(v.Aux)
 11390  		if v_0.Op != OpARM64MOVDaddr {
 11391  			break
 11392  		}
 11393  		off2 := auxIntToInt32(v_0.AuxInt)
 11394  		sym2 := auxToSym(v_0.Aux)
 11395  		ptr := v_0.Args[0]
 11396  		mem := v_1
 11397  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11398  			break
 11399  		}
 11400  		v.reset(OpARM64MOVWUload)
 11401  		v.AuxInt = int32ToAuxInt(off1 + off2)
 11402  		v.Aux = symToAux(mergeSym(sym1, sym2))
 11403  		v.AddArg2(ptr, mem)
 11404  		return true
 11405  	}
 11406  	// match: (MOVWUload [off] {sym} ptr (MOVWstorezero [off2] {sym2} ptr2 _))
 11407  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 11408  	// result: (MOVDconst [0])
 11409  	for {
 11410  		off := auxIntToInt32(v.AuxInt)
 11411  		sym := auxToSym(v.Aux)
 11412  		ptr := v_0
 11413  		if v_1.Op != OpARM64MOVWstorezero {
 11414  			break
 11415  		}
 11416  		off2 := auxIntToInt32(v_1.AuxInt)
 11417  		sym2 := auxToSym(v_1.Aux)
 11418  		ptr2 := v_1.Args[0]
 11419  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 11420  			break
 11421  		}
 11422  		v.reset(OpARM64MOVDconst)
 11423  		v.AuxInt = int64ToAuxInt(0)
 11424  		return true
 11425  	}
 11426  	// match: (MOVWUload [off] {sym} (SB) _)
 11427  	// cond: symIsRO(sym)
 11428  	// result: (MOVDconst [int64(read32(sym, int64(off), config.ctxt.Arch.ByteOrder))])
 11429  	for {
 11430  		off := auxIntToInt32(v.AuxInt)
 11431  		sym := auxToSym(v.Aux)
 11432  		if v_0.Op != OpSB || !(symIsRO(sym)) {
 11433  			break
 11434  		}
 11435  		v.reset(OpARM64MOVDconst)
 11436  		v.AuxInt = int64ToAuxInt(int64(read32(sym, int64(off), config.ctxt.Arch.ByteOrder)))
 11437  		return true
 11438  	}
 11439  	return false
 11440  }
 11441  func rewriteValueARM64_OpARM64MOVWUloadidx(v *Value) bool {
 11442  	v_2 := v.Args[2]
 11443  	v_1 := v.Args[1]
 11444  	v_0 := v.Args[0]
 11445  	// match: (MOVWUloadidx ptr (MOVDconst [c]) mem)
 11446  	// cond: is32Bit(c)
 11447  	// result: (MOVWUload [int32(c)] ptr mem)
 11448  	for {
 11449  		ptr := v_0
 11450  		if v_1.Op != OpARM64MOVDconst {
 11451  			break
 11452  		}
 11453  		c := auxIntToInt64(v_1.AuxInt)
 11454  		mem := v_2
 11455  		if !(is32Bit(c)) {
 11456  			break
 11457  		}
 11458  		v.reset(OpARM64MOVWUload)
 11459  		v.AuxInt = int32ToAuxInt(int32(c))
 11460  		v.AddArg2(ptr, mem)
 11461  		return true
 11462  	}
 11463  	// match: (MOVWUloadidx (MOVDconst [c]) ptr mem)
 11464  	// cond: is32Bit(c)
 11465  	// result: (MOVWUload [int32(c)] ptr mem)
 11466  	for {
 11467  		if v_0.Op != OpARM64MOVDconst {
 11468  			break
 11469  		}
 11470  		c := auxIntToInt64(v_0.AuxInt)
 11471  		ptr := v_1
 11472  		mem := v_2
 11473  		if !(is32Bit(c)) {
 11474  			break
 11475  		}
 11476  		v.reset(OpARM64MOVWUload)
 11477  		v.AuxInt = int32ToAuxInt(int32(c))
 11478  		v.AddArg2(ptr, mem)
 11479  		return true
 11480  	}
 11481  	// match: (MOVWUloadidx ptr (SLLconst [2] idx) mem)
 11482  	// result: (MOVWUloadidx4 ptr idx mem)
 11483  	for {
 11484  		ptr := v_0
 11485  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
 11486  			break
 11487  		}
 11488  		idx := v_1.Args[0]
 11489  		mem := v_2
 11490  		v.reset(OpARM64MOVWUloadidx4)
 11491  		v.AddArg3(ptr, idx, mem)
 11492  		return true
 11493  	}
 11494  	// match: (MOVWUloadidx (SLLconst [2] idx) ptr mem)
 11495  	// result: (MOVWUloadidx4 ptr idx mem)
 11496  	for {
 11497  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
 11498  			break
 11499  		}
 11500  		idx := v_0.Args[0]
 11501  		ptr := v_1
 11502  		mem := v_2
 11503  		v.reset(OpARM64MOVWUloadidx4)
 11504  		v.AddArg3(ptr, idx, mem)
 11505  		return true
 11506  	}
 11507  	// match: (MOVWUloadidx ptr idx (MOVWstorezeroidx ptr2 idx2 _))
 11508  	// cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2))
 11509  	// result: (MOVDconst [0])
 11510  	for {
 11511  		ptr := v_0
 11512  		idx := v_1
 11513  		if v_2.Op != OpARM64MOVWstorezeroidx {
 11514  			break
 11515  		}
 11516  		idx2 := v_2.Args[1]
 11517  		ptr2 := v_2.Args[0]
 11518  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) {
 11519  			break
 11520  		}
 11521  		v.reset(OpARM64MOVDconst)
 11522  		v.AuxInt = int64ToAuxInt(0)
 11523  		return true
 11524  	}
 11525  	return false
 11526  }
 11527  func rewriteValueARM64_OpARM64MOVWUloadidx4(v *Value) bool {
 11528  	v_2 := v.Args[2]
 11529  	v_1 := v.Args[1]
 11530  	v_0 := v.Args[0]
 11531  	// match: (MOVWUloadidx4 ptr (MOVDconst [c]) mem)
 11532  	// cond: is32Bit(c<<2)
 11533  	// result: (MOVWUload [int32(c)<<2] ptr mem)
 11534  	for {
 11535  		ptr := v_0
 11536  		if v_1.Op != OpARM64MOVDconst {
 11537  			break
 11538  		}
 11539  		c := auxIntToInt64(v_1.AuxInt)
 11540  		mem := v_2
 11541  		if !(is32Bit(c << 2)) {
 11542  			break
 11543  		}
 11544  		v.reset(OpARM64MOVWUload)
 11545  		v.AuxInt = int32ToAuxInt(int32(c) << 2)
 11546  		v.AddArg2(ptr, mem)
 11547  		return true
 11548  	}
 11549  	// match: (MOVWUloadidx4 ptr idx (MOVWstorezeroidx4 ptr2 idx2 _))
 11550  	// cond: isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)
 11551  	// result: (MOVDconst [0])
 11552  	for {
 11553  		ptr := v_0
 11554  		idx := v_1
 11555  		if v_2.Op != OpARM64MOVWstorezeroidx4 {
 11556  			break
 11557  		}
 11558  		idx2 := v_2.Args[1]
 11559  		ptr2 := v_2.Args[0]
 11560  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)) {
 11561  			break
 11562  		}
 11563  		v.reset(OpARM64MOVDconst)
 11564  		v.AuxInt = int64ToAuxInt(0)
 11565  		return true
 11566  	}
 11567  	return false
 11568  }
 11569  func rewriteValueARM64_OpARM64MOVWUreg(v *Value) bool {
 11570  	v_0 := v.Args[0]
 11571  	// match: (MOVWUreg (ANDconst [c] x))
 11572  	// result: (ANDconst [c&(1<<32-1)] x)
 11573  	for {
 11574  		if v_0.Op != OpARM64ANDconst {
 11575  			break
 11576  		}
 11577  		c := auxIntToInt64(v_0.AuxInt)
 11578  		x := v_0.Args[0]
 11579  		v.reset(OpARM64ANDconst)
 11580  		v.AuxInt = int64ToAuxInt(c & (1<<32 - 1))
 11581  		v.AddArg(x)
 11582  		return true
 11583  	}
 11584  	// match: (MOVWUreg (MOVDconst [c]))
 11585  	// result: (MOVDconst [int64(uint32(c))])
 11586  	for {
 11587  		if v_0.Op != OpARM64MOVDconst {
 11588  			break
 11589  		}
 11590  		c := auxIntToInt64(v_0.AuxInt)
 11591  		v.reset(OpARM64MOVDconst)
 11592  		v.AuxInt = int64ToAuxInt(int64(uint32(c)))
 11593  		return true
 11594  	}
 11595  	// match: (MOVWUreg x)
 11596  	// cond: v.Type.Size() <= 4
 11597  	// result: x
 11598  	for {
 11599  		x := v_0
 11600  		if !(v.Type.Size() <= 4) {
 11601  			break
 11602  		}
 11603  		v.copyOf(x)
 11604  		return true
 11605  	}
 11606  	// match: (MOVWUreg (SLLconst [lc] x))
 11607  	// cond: lc >= 32
 11608  	// result: (MOVDconst [0])
 11609  	for {
 11610  		if v_0.Op != OpARM64SLLconst {
 11611  			break
 11612  		}
 11613  		lc := auxIntToInt64(v_0.AuxInt)
 11614  		if !(lc >= 32) {
 11615  			break
 11616  		}
 11617  		v.reset(OpARM64MOVDconst)
 11618  		v.AuxInt = int64ToAuxInt(0)
 11619  		return true
 11620  	}
 11621  	// match: (MOVWUreg (SLLconst [lc] x))
 11622  	// cond: lc < 32
 11623  	// result: (UBFIZ [armBFAuxInt(lc, 32-lc)] x)
 11624  	for {
 11625  		if v_0.Op != OpARM64SLLconst {
 11626  			break
 11627  		}
 11628  		lc := auxIntToInt64(v_0.AuxInt)
 11629  		x := v_0.Args[0]
 11630  		if !(lc < 32) {
 11631  			break
 11632  		}
 11633  		v.reset(OpARM64UBFIZ)
 11634  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 32-lc))
 11635  		v.AddArg(x)
 11636  		return true
 11637  	}
 11638  	// match: (MOVWUreg (SRLconst [rc] x))
 11639  	// cond: rc < 32
 11640  	// result: (UBFX [armBFAuxInt(rc, 32)] x)
 11641  	for {
 11642  		if v_0.Op != OpARM64SRLconst {
 11643  			break
 11644  		}
 11645  		rc := auxIntToInt64(v_0.AuxInt)
 11646  		x := v_0.Args[0]
 11647  		if !(rc < 32) {
 11648  			break
 11649  		}
 11650  		v.reset(OpARM64UBFX)
 11651  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 32))
 11652  		v.AddArg(x)
 11653  		return true
 11654  	}
 11655  	// match: (MOVWUreg (UBFX [bfc] x))
 11656  	// cond: bfc.getARM64BFwidth() <= 32
 11657  	// result: (UBFX [bfc] x)
 11658  	for {
 11659  		if v_0.Op != OpARM64UBFX {
 11660  			break
 11661  		}
 11662  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 11663  		x := v_0.Args[0]
 11664  		if !(bfc.getARM64BFwidth() <= 32) {
 11665  			break
 11666  		}
 11667  		v.reset(OpARM64UBFX)
 11668  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 11669  		v.AddArg(x)
 11670  		return true
 11671  	}
 11672  	return false
 11673  }
 11674  func rewriteValueARM64_OpARM64MOVWload(v *Value) bool {
 11675  	v_1 := v.Args[1]
 11676  	v_0 := v.Args[0]
 11677  	b := v.Block
 11678  	config := b.Func.Config
 11679  	// match: (MOVWload [off1] {sym} (ADDconst [off2] ptr) mem)
 11680  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11681  	// result: (MOVWload [off1+int32(off2)] {sym} ptr mem)
 11682  	for {
 11683  		off1 := auxIntToInt32(v.AuxInt)
 11684  		sym := auxToSym(v.Aux)
 11685  		if v_0.Op != OpARM64ADDconst {
 11686  			break
 11687  		}
 11688  		off2 := auxIntToInt64(v_0.AuxInt)
 11689  		ptr := v_0.Args[0]
 11690  		mem := v_1
 11691  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11692  			break
 11693  		}
 11694  		v.reset(OpARM64MOVWload)
 11695  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 11696  		v.Aux = symToAux(sym)
 11697  		v.AddArg2(ptr, mem)
 11698  		return true
 11699  	}
 11700  	// match: (MOVWload [off] {sym} (ADD ptr idx) mem)
 11701  	// cond: off == 0 && sym == nil
 11702  	// result: (MOVWloadidx ptr idx mem)
 11703  	for {
 11704  		off := auxIntToInt32(v.AuxInt)
 11705  		sym := auxToSym(v.Aux)
 11706  		if v_0.Op != OpARM64ADD {
 11707  			break
 11708  		}
 11709  		idx := v_0.Args[1]
 11710  		ptr := v_0.Args[0]
 11711  		mem := v_1
 11712  		if !(off == 0 && sym == nil) {
 11713  			break
 11714  		}
 11715  		v.reset(OpARM64MOVWloadidx)
 11716  		v.AddArg3(ptr, idx, mem)
 11717  		return true
 11718  	}
 11719  	// match: (MOVWload [off] {sym} (ADDshiftLL [2] ptr idx) mem)
 11720  	// cond: off == 0 && sym == nil
 11721  	// result: (MOVWloadidx4 ptr idx mem)
 11722  	for {
 11723  		off := auxIntToInt32(v.AuxInt)
 11724  		sym := auxToSym(v.Aux)
 11725  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
 11726  			break
 11727  		}
 11728  		idx := v_0.Args[1]
 11729  		ptr := v_0.Args[0]
 11730  		mem := v_1
 11731  		if !(off == 0 && sym == nil) {
 11732  			break
 11733  		}
 11734  		v.reset(OpARM64MOVWloadidx4)
 11735  		v.AddArg3(ptr, idx, mem)
 11736  		return true
 11737  	}
 11738  	// match: (MOVWload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 11739  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11740  	// result: (MOVWload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 11741  	for {
 11742  		off1 := auxIntToInt32(v.AuxInt)
 11743  		sym1 := auxToSym(v.Aux)
 11744  		if v_0.Op != OpARM64MOVDaddr {
 11745  			break
 11746  		}
 11747  		off2 := auxIntToInt32(v_0.AuxInt)
 11748  		sym2 := auxToSym(v_0.Aux)
 11749  		ptr := v_0.Args[0]
 11750  		mem := v_1
 11751  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11752  			break
 11753  		}
 11754  		v.reset(OpARM64MOVWload)
 11755  		v.AuxInt = int32ToAuxInt(off1 + off2)
 11756  		v.Aux = symToAux(mergeSym(sym1, sym2))
 11757  		v.AddArg2(ptr, mem)
 11758  		return true
 11759  	}
 11760  	// match: (MOVWload [off] {sym} ptr (MOVWstorezero [off2] {sym2} ptr2 _))
 11761  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 11762  	// result: (MOVDconst [0])
 11763  	for {
 11764  		off := auxIntToInt32(v.AuxInt)
 11765  		sym := auxToSym(v.Aux)
 11766  		ptr := v_0
 11767  		if v_1.Op != OpARM64MOVWstorezero {
 11768  			break
 11769  		}
 11770  		off2 := auxIntToInt32(v_1.AuxInt)
 11771  		sym2 := auxToSym(v_1.Aux)
 11772  		ptr2 := v_1.Args[0]
 11773  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 11774  			break
 11775  		}
 11776  		v.reset(OpARM64MOVDconst)
 11777  		v.AuxInt = int64ToAuxInt(0)
 11778  		return true
 11779  	}
 11780  	return false
 11781  }
 11782  func rewriteValueARM64_OpARM64MOVWloadidx(v *Value) bool {
 11783  	v_2 := v.Args[2]
 11784  	v_1 := v.Args[1]
 11785  	v_0 := v.Args[0]
 11786  	// match: (MOVWloadidx ptr (MOVDconst [c]) mem)
 11787  	// cond: is32Bit(c)
 11788  	// result: (MOVWload [int32(c)] ptr mem)
 11789  	for {
 11790  		ptr := v_0
 11791  		if v_1.Op != OpARM64MOVDconst {
 11792  			break
 11793  		}
 11794  		c := auxIntToInt64(v_1.AuxInt)
 11795  		mem := v_2
 11796  		if !(is32Bit(c)) {
 11797  			break
 11798  		}
 11799  		v.reset(OpARM64MOVWload)
 11800  		v.AuxInt = int32ToAuxInt(int32(c))
 11801  		v.AddArg2(ptr, mem)
 11802  		return true
 11803  	}
 11804  	// match: (MOVWloadidx (MOVDconst [c]) ptr mem)
 11805  	// cond: is32Bit(c)
 11806  	// result: (MOVWload [int32(c)] ptr mem)
 11807  	for {
 11808  		if v_0.Op != OpARM64MOVDconst {
 11809  			break
 11810  		}
 11811  		c := auxIntToInt64(v_0.AuxInt)
 11812  		ptr := v_1
 11813  		mem := v_2
 11814  		if !(is32Bit(c)) {
 11815  			break
 11816  		}
 11817  		v.reset(OpARM64MOVWload)
 11818  		v.AuxInt = int32ToAuxInt(int32(c))
 11819  		v.AddArg2(ptr, mem)
 11820  		return true
 11821  	}
 11822  	// match: (MOVWloadidx ptr (SLLconst [2] idx) mem)
 11823  	// result: (MOVWloadidx4 ptr idx mem)
 11824  	for {
 11825  		ptr := v_0
 11826  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
 11827  			break
 11828  		}
 11829  		idx := v_1.Args[0]
 11830  		mem := v_2
 11831  		v.reset(OpARM64MOVWloadidx4)
 11832  		v.AddArg3(ptr, idx, mem)
 11833  		return true
 11834  	}
 11835  	// match: (MOVWloadidx (SLLconst [2] idx) ptr mem)
 11836  	// result: (MOVWloadidx4 ptr idx mem)
 11837  	for {
 11838  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
 11839  			break
 11840  		}
 11841  		idx := v_0.Args[0]
 11842  		ptr := v_1
 11843  		mem := v_2
 11844  		v.reset(OpARM64MOVWloadidx4)
 11845  		v.AddArg3(ptr, idx, mem)
 11846  		return true
 11847  	}
 11848  	// match: (MOVWloadidx ptr idx (MOVWstorezeroidx ptr2 idx2 _))
 11849  	// cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2))
 11850  	// result: (MOVDconst [0])
 11851  	for {
 11852  		ptr := v_0
 11853  		idx := v_1
 11854  		if v_2.Op != OpARM64MOVWstorezeroidx {
 11855  			break
 11856  		}
 11857  		idx2 := v_2.Args[1]
 11858  		ptr2 := v_2.Args[0]
 11859  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) {
 11860  			break
 11861  		}
 11862  		v.reset(OpARM64MOVDconst)
 11863  		v.AuxInt = int64ToAuxInt(0)
 11864  		return true
 11865  	}
 11866  	return false
 11867  }
 11868  func rewriteValueARM64_OpARM64MOVWloadidx4(v *Value) bool {
 11869  	v_2 := v.Args[2]
 11870  	v_1 := v.Args[1]
 11871  	v_0 := v.Args[0]
 11872  	// match: (MOVWloadidx4 ptr (MOVDconst [c]) mem)
 11873  	// cond: is32Bit(c<<2)
 11874  	// result: (MOVWload [int32(c)<<2] ptr mem)
 11875  	for {
 11876  		ptr := v_0
 11877  		if v_1.Op != OpARM64MOVDconst {
 11878  			break
 11879  		}
 11880  		c := auxIntToInt64(v_1.AuxInt)
 11881  		mem := v_2
 11882  		if !(is32Bit(c << 2)) {
 11883  			break
 11884  		}
 11885  		v.reset(OpARM64MOVWload)
 11886  		v.AuxInt = int32ToAuxInt(int32(c) << 2)
 11887  		v.AddArg2(ptr, mem)
 11888  		return true
 11889  	}
 11890  	// match: (MOVWloadidx4 ptr idx (MOVWstorezeroidx4 ptr2 idx2 _))
 11891  	// cond: isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)
 11892  	// result: (MOVDconst [0])
 11893  	for {
 11894  		ptr := v_0
 11895  		idx := v_1
 11896  		if v_2.Op != OpARM64MOVWstorezeroidx4 {
 11897  			break
 11898  		}
 11899  		idx2 := v_2.Args[1]
 11900  		ptr2 := v_2.Args[0]
 11901  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)) {
 11902  			break
 11903  		}
 11904  		v.reset(OpARM64MOVDconst)
 11905  		v.AuxInt = int64ToAuxInt(0)
 11906  		return true
 11907  	}
 11908  	return false
 11909  }
 11910  func rewriteValueARM64_OpARM64MOVWreg(v *Value) bool {
 11911  	v_0 := v.Args[0]
 11912  	// match: (MOVWreg (MOVDconst [c]))
 11913  	// result: (MOVDconst [int64(int32(c))])
 11914  	for {
 11915  		if v_0.Op != OpARM64MOVDconst {
 11916  			break
 11917  		}
 11918  		c := auxIntToInt64(v_0.AuxInt)
 11919  		v.reset(OpARM64MOVDconst)
 11920  		v.AuxInt = int64ToAuxInt(int64(int32(c)))
 11921  		return true
 11922  	}
 11923  	// match: (MOVWreg x)
 11924  	// cond: v.Type.Size() <= 4
 11925  	// result: x
 11926  	for {
 11927  		x := v_0
 11928  		if !(v.Type.Size() <= 4) {
 11929  			break
 11930  		}
 11931  		v.copyOf(x)
 11932  		return true
 11933  	}
 11934  	// match: (MOVWreg <t> (ANDconst x [c]))
 11935  	// cond: uint64(c) & uint64(0xffffffff80000000) == 0
 11936  	// result: (ANDconst <t> x [c])
 11937  	for {
 11938  		t := v.Type
 11939  		if v_0.Op != OpARM64ANDconst {
 11940  			break
 11941  		}
 11942  		c := auxIntToInt64(v_0.AuxInt)
 11943  		x := v_0.Args[0]
 11944  		if !(uint64(c)&uint64(0xffffffff80000000) == 0) {
 11945  			break
 11946  		}
 11947  		v.reset(OpARM64ANDconst)
 11948  		v.Type = t
 11949  		v.AuxInt = int64ToAuxInt(c)
 11950  		v.AddArg(x)
 11951  		return true
 11952  	}
 11953  	// match: (MOVWreg (SLLconst [lc] x))
 11954  	// cond: lc < 32
 11955  	// result: (SBFIZ [armBFAuxInt(lc, 32-lc)] x)
 11956  	for {
 11957  		if v_0.Op != OpARM64SLLconst {
 11958  			break
 11959  		}
 11960  		lc := auxIntToInt64(v_0.AuxInt)
 11961  		x := v_0.Args[0]
 11962  		if !(lc < 32) {
 11963  			break
 11964  		}
 11965  		v.reset(OpARM64SBFIZ)
 11966  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 32-lc))
 11967  		v.AddArg(x)
 11968  		return true
 11969  	}
 11970  	// match: (MOVWreg (SBFX [bfc] x))
 11971  	// cond: bfc.getARM64BFwidth() <= 32
 11972  	// result: (SBFX [bfc] x)
 11973  	for {
 11974  		if v_0.Op != OpARM64SBFX {
 11975  			break
 11976  		}
 11977  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 11978  		x := v_0.Args[0]
 11979  		if !(bfc.getARM64BFwidth() <= 32) {
 11980  			break
 11981  		}
 11982  		v.reset(OpARM64SBFX)
 11983  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 11984  		v.AddArg(x)
 11985  		return true
 11986  	}
 11987  	return false
 11988  }
 11989  func rewriteValueARM64_OpARM64MOVWstore(v *Value) bool {
 11990  	v_2 := v.Args[2]
 11991  	v_1 := v.Args[1]
 11992  	v_0 := v.Args[0]
 11993  	b := v.Block
 11994  	config := b.Func.Config
 11995  	// match: (MOVWstore [off] {sym} ptr (FMOVSfpgp val) mem)
 11996  	// result: (FMOVSstore [off] {sym} ptr val mem)
 11997  	for {
 11998  		off := auxIntToInt32(v.AuxInt)
 11999  		sym := auxToSym(v.Aux)
 12000  		ptr := v_0
 12001  		if v_1.Op != OpARM64FMOVSfpgp {
 12002  			break
 12003  		}
 12004  		val := v_1.Args[0]
 12005  		mem := v_2
 12006  		v.reset(OpARM64FMOVSstore)
 12007  		v.AuxInt = int32ToAuxInt(off)
 12008  		v.Aux = symToAux(sym)
 12009  		v.AddArg3(ptr, val, mem)
 12010  		return true
 12011  	}
 12012  	// match: (MOVWstore [off1] {sym} (ADDconst [off2] ptr) val mem)
 12013  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 12014  	// result: (MOVWstore [off1+int32(off2)] {sym} ptr val mem)
 12015  	for {
 12016  		off1 := auxIntToInt32(v.AuxInt)
 12017  		sym := auxToSym(v.Aux)
 12018  		if v_0.Op != OpARM64ADDconst {
 12019  			break
 12020  		}
 12021  		off2 := auxIntToInt64(v_0.AuxInt)
 12022  		ptr := v_0.Args[0]
 12023  		val := v_1
 12024  		mem := v_2
 12025  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 12026  			break
 12027  		}
 12028  		v.reset(OpARM64MOVWstore)
 12029  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 12030  		v.Aux = symToAux(sym)
 12031  		v.AddArg3(ptr, val, mem)
 12032  		return true
 12033  	}
 12034  	// match: (MOVWstore [off] {sym} (ADD ptr idx) val mem)
 12035  	// cond: off == 0 && sym == nil
 12036  	// result: (MOVWstoreidx ptr idx val mem)
 12037  	for {
 12038  		off := auxIntToInt32(v.AuxInt)
 12039  		sym := auxToSym(v.Aux)
 12040  		if v_0.Op != OpARM64ADD {
 12041  			break
 12042  		}
 12043  		idx := v_0.Args[1]
 12044  		ptr := v_0.Args[0]
 12045  		val := v_1
 12046  		mem := v_2
 12047  		if !(off == 0 && sym == nil) {
 12048  			break
 12049  		}
 12050  		v.reset(OpARM64MOVWstoreidx)
 12051  		v.AddArg4(ptr, idx, val, mem)
 12052  		return true
 12053  	}
 12054  	// match: (MOVWstore [off] {sym} (ADDshiftLL [2] ptr idx) val mem)
 12055  	// cond: off == 0 && sym == nil
 12056  	// result: (MOVWstoreidx4 ptr idx val mem)
 12057  	for {
 12058  		off := auxIntToInt32(v.AuxInt)
 12059  		sym := auxToSym(v.Aux)
 12060  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
 12061  			break
 12062  		}
 12063  		idx := v_0.Args[1]
 12064  		ptr := v_0.Args[0]
 12065  		val := v_1
 12066  		mem := v_2
 12067  		if !(off == 0 && sym == nil) {
 12068  			break
 12069  		}
 12070  		v.reset(OpARM64MOVWstoreidx4)
 12071  		v.AddArg4(ptr, idx, val, mem)
 12072  		return true
 12073  	}
 12074  	// match: (MOVWstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
 12075  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 12076  	// result: (MOVWstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
 12077  	for {
 12078  		off1 := auxIntToInt32(v.AuxInt)
 12079  		sym1 := auxToSym(v.Aux)
 12080  		if v_0.Op != OpARM64MOVDaddr {
 12081  			break
 12082  		}
 12083  		off2 := auxIntToInt32(v_0.AuxInt)
 12084  		sym2 := auxToSym(v_0.Aux)
 12085  		ptr := v_0.Args[0]
 12086  		val := v_1
 12087  		mem := v_2
 12088  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 12089  			break
 12090  		}
 12091  		v.reset(OpARM64MOVWstore)
 12092  		v.AuxInt = int32ToAuxInt(off1 + off2)
 12093  		v.Aux = symToAux(mergeSym(sym1, sym2))
 12094  		v.AddArg3(ptr, val, mem)
 12095  		return true
 12096  	}
 12097  	// match: (MOVWstore [off] {sym} ptr (MOVDconst [0]) mem)
 12098  	// result: (MOVWstorezero [off] {sym} ptr mem)
 12099  	for {
 12100  		off := auxIntToInt32(v.AuxInt)
 12101  		sym := auxToSym(v.Aux)
 12102  		ptr := v_0
 12103  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
 12104  			break
 12105  		}
 12106  		mem := v_2
 12107  		v.reset(OpARM64MOVWstorezero)
 12108  		v.AuxInt = int32ToAuxInt(off)
 12109  		v.Aux = symToAux(sym)
 12110  		v.AddArg2(ptr, mem)
 12111  		return true
 12112  	}
 12113  	// match: (MOVWstore [off] {sym} ptr (MOVWreg x) mem)
 12114  	// result: (MOVWstore [off] {sym} ptr x mem)
 12115  	for {
 12116  		off := auxIntToInt32(v.AuxInt)
 12117  		sym := auxToSym(v.Aux)
 12118  		ptr := v_0
 12119  		if v_1.Op != OpARM64MOVWreg {
 12120  			break
 12121  		}
 12122  		x := v_1.Args[0]
 12123  		mem := v_2
 12124  		v.reset(OpARM64MOVWstore)
 12125  		v.AuxInt = int32ToAuxInt(off)
 12126  		v.Aux = symToAux(sym)
 12127  		v.AddArg3(ptr, x, mem)
 12128  		return true
 12129  	}
 12130  	// match: (MOVWstore [off] {sym} ptr (MOVWUreg x) mem)
 12131  	// result: (MOVWstore [off] {sym} ptr x mem)
 12132  	for {
 12133  		off := auxIntToInt32(v.AuxInt)
 12134  		sym := auxToSym(v.Aux)
 12135  		ptr := v_0
 12136  		if v_1.Op != OpARM64MOVWUreg {
 12137  			break
 12138  		}
 12139  		x := v_1.Args[0]
 12140  		mem := v_2
 12141  		v.reset(OpARM64MOVWstore)
 12142  		v.AuxInt = int32ToAuxInt(off)
 12143  		v.Aux = symToAux(sym)
 12144  		v.AddArg3(ptr, x, mem)
 12145  		return true
 12146  	}
 12147  	return false
 12148  }
 12149  func rewriteValueARM64_OpARM64MOVWstoreidx(v *Value) bool {
 12150  	v_3 := v.Args[3]
 12151  	v_2 := v.Args[2]
 12152  	v_1 := v.Args[1]
 12153  	v_0 := v.Args[0]
 12154  	// match: (MOVWstoreidx ptr (MOVDconst [c]) val mem)
 12155  	// cond: is32Bit(c)
 12156  	// result: (MOVWstore [int32(c)] ptr val mem)
 12157  	for {
 12158  		ptr := v_0
 12159  		if v_1.Op != OpARM64MOVDconst {
 12160  			break
 12161  		}
 12162  		c := auxIntToInt64(v_1.AuxInt)
 12163  		val := v_2
 12164  		mem := v_3
 12165  		if !(is32Bit(c)) {
 12166  			break
 12167  		}
 12168  		v.reset(OpARM64MOVWstore)
 12169  		v.AuxInt = int32ToAuxInt(int32(c))
 12170  		v.AddArg3(ptr, val, mem)
 12171  		return true
 12172  	}
 12173  	// match: (MOVWstoreidx (MOVDconst [c]) idx val mem)
 12174  	// cond: is32Bit(c)
 12175  	// result: (MOVWstore [int32(c)] idx val mem)
 12176  	for {
 12177  		if v_0.Op != OpARM64MOVDconst {
 12178  			break
 12179  		}
 12180  		c := auxIntToInt64(v_0.AuxInt)
 12181  		idx := v_1
 12182  		val := v_2
 12183  		mem := v_3
 12184  		if !(is32Bit(c)) {
 12185  			break
 12186  		}
 12187  		v.reset(OpARM64MOVWstore)
 12188  		v.AuxInt = int32ToAuxInt(int32(c))
 12189  		v.AddArg3(idx, val, mem)
 12190  		return true
 12191  	}
 12192  	// match: (MOVWstoreidx ptr (SLLconst [2] idx) val mem)
 12193  	// result: (MOVWstoreidx4 ptr idx val mem)
 12194  	for {
 12195  		ptr := v_0
 12196  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
 12197  			break
 12198  		}
 12199  		idx := v_1.Args[0]
 12200  		val := v_2
 12201  		mem := v_3
 12202  		v.reset(OpARM64MOVWstoreidx4)
 12203  		v.AddArg4(ptr, idx, val, mem)
 12204  		return true
 12205  	}
 12206  	// match: (MOVWstoreidx (SLLconst [2] idx) ptr val mem)
 12207  	// result: (MOVWstoreidx4 ptr idx val mem)
 12208  	for {
 12209  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
 12210  			break
 12211  		}
 12212  		idx := v_0.Args[0]
 12213  		ptr := v_1
 12214  		val := v_2
 12215  		mem := v_3
 12216  		v.reset(OpARM64MOVWstoreidx4)
 12217  		v.AddArg4(ptr, idx, val, mem)
 12218  		return true
 12219  	}
 12220  	// match: (MOVWstoreidx ptr idx (MOVDconst [0]) mem)
 12221  	// result: (MOVWstorezeroidx ptr idx mem)
 12222  	for {
 12223  		ptr := v_0
 12224  		idx := v_1
 12225  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
 12226  			break
 12227  		}
 12228  		mem := v_3
 12229  		v.reset(OpARM64MOVWstorezeroidx)
 12230  		v.AddArg3(ptr, idx, mem)
 12231  		return true
 12232  	}
 12233  	// match: (MOVWstoreidx ptr idx (MOVWreg x) mem)
 12234  	// result: (MOVWstoreidx ptr idx x mem)
 12235  	for {
 12236  		ptr := v_0
 12237  		idx := v_1
 12238  		if v_2.Op != OpARM64MOVWreg {
 12239  			break
 12240  		}
 12241  		x := v_2.Args[0]
 12242  		mem := v_3
 12243  		v.reset(OpARM64MOVWstoreidx)
 12244  		v.AddArg4(ptr, idx, x, mem)
 12245  		return true
 12246  	}
 12247  	// match: (MOVWstoreidx ptr idx (MOVWUreg x) mem)
 12248  	// result: (MOVWstoreidx ptr idx x mem)
 12249  	for {
 12250  		ptr := v_0
 12251  		idx := v_1
 12252  		if v_2.Op != OpARM64MOVWUreg {
 12253  			break
 12254  		}
 12255  		x := v_2.Args[0]
 12256  		mem := v_3
 12257  		v.reset(OpARM64MOVWstoreidx)
 12258  		v.AddArg4(ptr, idx, x, mem)
 12259  		return true
 12260  	}
 12261  	return false
 12262  }
 12263  func rewriteValueARM64_OpARM64MOVWstoreidx4(v *Value) bool {
 12264  	v_3 := v.Args[3]
 12265  	v_2 := v.Args[2]
 12266  	v_1 := v.Args[1]
 12267  	v_0 := v.Args[0]
 12268  	// match: (MOVWstoreidx4 ptr (MOVDconst [c]) val mem)
 12269  	// cond: is32Bit(c<<2)
 12270  	// result: (MOVWstore [int32(c)<<2] ptr val mem)
 12271  	for {
 12272  		ptr := v_0
 12273  		if v_1.Op != OpARM64MOVDconst {
 12274  			break
 12275  		}
 12276  		c := auxIntToInt64(v_1.AuxInt)
 12277  		val := v_2
 12278  		mem := v_3
 12279  		if !(is32Bit(c << 2)) {
 12280  			break
 12281  		}
 12282  		v.reset(OpARM64MOVWstore)
 12283  		v.AuxInt = int32ToAuxInt(int32(c) << 2)
 12284  		v.AddArg3(ptr, val, mem)
 12285  		return true
 12286  	}
 12287  	// match: (MOVWstoreidx4 ptr idx (MOVDconst [0]) mem)
 12288  	// result: (MOVWstorezeroidx4 ptr idx mem)
 12289  	for {
 12290  		ptr := v_0
 12291  		idx := v_1
 12292  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
 12293  			break
 12294  		}
 12295  		mem := v_3
 12296  		v.reset(OpARM64MOVWstorezeroidx4)
 12297  		v.AddArg3(ptr, idx, mem)
 12298  		return true
 12299  	}
 12300  	// match: (MOVWstoreidx4 ptr idx (MOVWreg x) mem)
 12301  	// result: (MOVWstoreidx4 ptr idx x mem)
 12302  	for {
 12303  		ptr := v_0
 12304  		idx := v_1
 12305  		if v_2.Op != OpARM64MOVWreg {
 12306  			break
 12307  		}
 12308  		x := v_2.Args[0]
 12309  		mem := v_3
 12310  		v.reset(OpARM64MOVWstoreidx4)
 12311  		v.AddArg4(ptr, idx, x, mem)
 12312  		return true
 12313  	}
 12314  	// match: (MOVWstoreidx4 ptr idx (MOVWUreg x) mem)
 12315  	// result: (MOVWstoreidx4 ptr idx x mem)
 12316  	for {
 12317  		ptr := v_0
 12318  		idx := v_1
 12319  		if v_2.Op != OpARM64MOVWUreg {
 12320  			break
 12321  		}
 12322  		x := v_2.Args[0]
 12323  		mem := v_3
 12324  		v.reset(OpARM64MOVWstoreidx4)
 12325  		v.AddArg4(ptr, idx, x, mem)
 12326  		return true
 12327  	}
 12328  	return false
 12329  }
 12330  func rewriteValueARM64_OpARM64MOVWstorezero(v *Value) bool {
 12331  	v_1 := v.Args[1]
 12332  	v_0 := v.Args[0]
 12333  	b := v.Block
 12334  	config := b.Func.Config
 12335  	// match: (MOVWstorezero [off1] {sym} (ADDconst [off2] ptr) mem)
 12336  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 12337  	// result: (MOVWstorezero [off1+int32(off2)] {sym} ptr mem)
 12338  	for {
 12339  		off1 := auxIntToInt32(v.AuxInt)
 12340  		sym := auxToSym(v.Aux)
 12341  		if v_0.Op != OpARM64ADDconst {
 12342  			break
 12343  		}
 12344  		off2 := auxIntToInt64(v_0.AuxInt)
 12345  		ptr := v_0.Args[0]
 12346  		mem := v_1
 12347  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 12348  			break
 12349  		}
 12350  		v.reset(OpARM64MOVWstorezero)
 12351  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 12352  		v.Aux = symToAux(sym)
 12353  		v.AddArg2(ptr, mem)
 12354  		return true
 12355  	}
 12356  	// match: (MOVWstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 12357  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 12358  	// result: (MOVWstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 12359  	for {
 12360  		off1 := auxIntToInt32(v.AuxInt)
 12361  		sym1 := auxToSym(v.Aux)
 12362  		if v_0.Op != OpARM64MOVDaddr {
 12363  			break
 12364  		}
 12365  		off2 := auxIntToInt32(v_0.AuxInt)
 12366  		sym2 := auxToSym(v_0.Aux)
 12367  		ptr := v_0.Args[0]
 12368  		mem := v_1
 12369  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 12370  			break
 12371  		}
 12372  		v.reset(OpARM64MOVWstorezero)
 12373  		v.AuxInt = int32ToAuxInt(off1 + off2)
 12374  		v.Aux = symToAux(mergeSym(sym1, sym2))
 12375  		v.AddArg2(ptr, mem)
 12376  		return true
 12377  	}
 12378  	// match: (MOVWstorezero [off] {sym} (ADD ptr idx) mem)
 12379  	// cond: off == 0 && sym == nil
 12380  	// result: (MOVWstorezeroidx ptr idx mem)
 12381  	for {
 12382  		off := auxIntToInt32(v.AuxInt)
 12383  		sym := auxToSym(v.Aux)
 12384  		if v_0.Op != OpARM64ADD {
 12385  			break
 12386  		}
 12387  		idx := v_0.Args[1]
 12388  		ptr := v_0.Args[0]
 12389  		mem := v_1
 12390  		if !(off == 0 && sym == nil) {
 12391  			break
 12392  		}
 12393  		v.reset(OpARM64MOVWstorezeroidx)
 12394  		v.AddArg3(ptr, idx, mem)
 12395  		return true
 12396  	}
 12397  	// match: (MOVWstorezero [off] {sym} (ADDshiftLL [2] ptr idx) mem)
 12398  	// cond: off == 0 && sym == nil
 12399  	// result: (MOVWstorezeroidx4 ptr idx mem)
 12400  	for {
 12401  		off := auxIntToInt32(v.AuxInt)
 12402  		sym := auxToSym(v.Aux)
 12403  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
 12404  			break
 12405  		}
 12406  		idx := v_0.Args[1]
 12407  		ptr := v_0.Args[0]
 12408  		mem := v_1
 12409  		if !(off == 0 && sym == nil) {
 12410  			break
 12411  		}
 12412  		v.reset(OpARM64MOVWstorezeroidx4)
 12413  		v.AddArg3(ptr, idx, mem)
 12414  		return true
 12415  	}
 12416  	return false
 12417  }
 12418  func rewriteValueARM64_OpARM64MOVWstorezeroidx(v *Value) bool {
 12419  	v_2 := v.Args[2]
 12420  	v_1 := v.Args[1]
 12421  	v_0 := v.Args[0]
 12422  	// match: (MOVWstorezeroidx ptr (MOVDconst [c]) mem)
 12423  	// cond: is32Bit(c)
 12424  	// result: (MOVWstorezero [int32(c)] ptr mem)
 12425  	for {
 12426  		ptr := v_0
 12427  		if v_1.Op != OpARM64MOVDconst {
 12428  			break
 12429  		}
 12430  		c := auxIntToInt64(v_1.AuxInt)
 12431  		mem := v_2
 12432  		if !(is32Bit(c)) {
 12433  			break
 12434  		}
 12435  		v.reset(OpARM64MOVWstorezero)
 12436  		v.AuxInt = int32ToAuxInt(int32(c))
 12437  		v.AddArg2(ptr, mem)
 12438  		return true
 12439  	}
 12440  	// match: (MOVWstorezeroidx (MOVDconst [c]) idx mem)
 12441  	// cond: is32Bit(c)
 12442  	// result: (MOVWstorezero [int32(c)] idx mem)
 12443  	for {
 12444  		if v_0.Op != OpARM64MOVDconst {
 12445  			break
 12446  		}
 12447  		c := auxIntToInt64(v_0.AuxInt)
 12448  		idx := v_1
 12449  		mem := v_2
 12450  		if !(is32Bit(c)) {
 12451  			break
 12452  		}
 12453  		v.reset(OpARM64MOVWstorezero)
 12454  		v.AuxInt = int32ToAuxInt(int32(c))
 12455  		v.AddArg2(idx, mem)
 12456  		return true
 12457  	}
 12458  	// match: (MOVWstorezeroidx ptr (SLLconst [2] idx) mem)
 12459  	// result: (MOVWstorezeroidx4 ptr idx mem)
 12460  	for {
 12461  		ptr := v_0
 12462  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
 12463  			break
 12464  		}
 12465  		idx := v_1.Args[0]
 12466  		mem := v_2
 12467  		v.reset(OpARM64MOVWstorezeroidx4)
 12468  		v.AddArg3(ptr, idx, mem)
 12469  		return true
 12470  	}
 12471  	// match: (MOVWstorezeroidx (SLLconst [2] idx) ptr mem)
 12472  	// result: (MOVWstorezeroidx4 ptr idx mem)
 12473  	for {
 12474  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
 12475  			break
 12476  		}
 12477  		idx := v_0.Args[0]
 12478  		ptr := v_1
 12479  		mem := v_2
 12480  		v.reset(OpARM64MOVWstorezeroidx4)
 12481  		v.AddArg3(ptr, idx, mem)
 12482  		return true
 12483  	}
 12484  	return false
 12485  }
 12486  func rewriteValueARM64_OpARM64MOVWstorezeroidx4(v *Value) bool {
 12487  	v_2 := v.Args[2]
 12488  	v_1 := v.Args[1]
 12489  	v_0 := v.Args[0]
 12490  	// match: (MOVWstorezeroidx4 ptr (MOVDconst [c]) mem)
 12491  	// cond: is32Bit(c<<2)
 12492  	// result: (MOVWstorezero [int32(c<<2)] ptr mem)
 12493  	for {
 12494  		ptr := v_0
 12495  		if v_1.Op != OpARM64MOVDconst {
 12496  			break
 12497  		}
 12498  		c := auxIntToInt64(v_1.AuxInt)
 12499  		mem := v_2
 12500  		if !(is32Bit(c << 2)) {
 12501  			break
 12502  		}
 12503  		v.reset(OpARM64MOVWstorezero)
 12504  		v.AuxInt = int32ToAuxInt(int32(c << 2))
 12505  		v.AddArg2(ptr, mem)
 12506  		return true
 12507  	}
 12508  	return false
 12509  }
 12510  func rewriteValueARM64_OpARM64MSUB(v *Value) bool {
 12511  	v_2 := v.Args[2]
 12512  	v_1 := v.Args[1]
 12513  	v_0 := v.Args[0]
 12514  	b := v.Block
 12515  	// match: (MSUB a x (MOVDconst [-1]))
 12516  	// result: (ADD a x)
 12517  	for {
 12518  		a := v_0
 12519  		x := v_1
 12520  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != -1 {
 12521  			break
 12522  		}
 12523  		v.reset(OpARM64ADD)
 12524  		v.AddArg2(a, x)
 12525  		return true
 12526  	}
 12527  	// match: (MSUB a _ (MOVDconst [0]))
 12528  	// result: a
 12529  	for {
 12530  		a := v_0
 12531  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
 12532  			break
 12533  		}
 12534  		v.copyOf(a)
 12535  		return true
 12536  	}
 12537  	// match: (MSUB a x (MOVDconst [1]))
 12538  	// result: (SUB a x)
 12539  	for {
 12540  		a := v_0
 12541  		x := v_1
 12542  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 1 {
 12543  			break
 12544  		}
 12545  		v.reset(OpARM64SUB)
 12546  		v.AddArg2(a, x)
 12547  		return true
 12548  	}
 12549  	// match: (MSUB a x (MOVDconst [c]))
 12550  	// cond: isPowerOfTwo64(c)
 12551  	// result: (SUBshiftLL a x [log64(c)])
 12552  	for {
 12553  		a := v_0
 12554  		x := v_1
 12555  		if v_2.Op != OpARM64MOVDconst {
 12556  			break
 12557  		}
 12558  		c := auxIntToInt64(v_2.AuxInt)
 12559  		if !(isPowerOfTwo64(c)) {
 12560  			break
 12561  		}
 12562  		v.reset(OpARM64SUBshiftLL)
 12563  		v.AuxInt = int64ToAuxInt(log64(c))
 12564  		v.AddArg2(a, x)
 12565  		return true
 12566  	}
 12567  	// match: (MSUB a x (MOVDconst [c]))
 12568  	// cond: isPowerOfTwo64(c-1) && c>=3
 12569  	// result: (SUB a (ADDshiftLL <x.Type> x x [log64(c-1)]))
 12570  	for {
 12571  		a := v_0
 12572  		x := v_1
 12573  		if v_2.Op != OpARM64MOVDconst {
 12574  			break
 12575  		}
 12576  		c := auxIntToInt64(v_2.AuxInt)
 12577  		if !(isPowerOfTwo64(c-1) && c >= 3) {
 12578  			break
 12579  		}
 12580  		v.reset(OpARM64SUB)
 12581  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 12582  		v0.AuxInt = int64ToAuxInt(log64(c - 1))
 12583  		v0.AddArg2(x, x)
 12584  		v.AddArg2(a, v0)
 12585  		return true
 12586  	}
 12587  	// match: (MSUB a x (MOVDconst [c]))
 12588  	// cond: isPowerOfTwo64(c+1) && c>=7
 12589  	// result: (ADD a (SUBshiftLL <x.Type> x x [log64(c+1)]))
 12590  	for {
 12591  		a := v_0
 12592  		x := v_1
 12593  		if v_2.Op != OpARM64MOVDconst {
 12594  			break
 12595  		}
 12596  		c := auxIntToInt64(v_2.AuxInt)
 12597  		if !(isPowerOfTwo64(c+1) && c >= 7) {
 12598  			break
 12599  		}
 12600  		v.reset(OpARM64ADD)
 12601  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 12602  		v0.AuxInt = int64ToAuxInt(log64(c + 1))
 12603  		v0.AddArg2(x, x)
 12604  		v.AddArg2(a, v0)
 12605  		return true
 12606  	}
 12607  	// match: (MSUB a x (MOVDconst [c]))
 12608  	// cond: c%3 == 0 && isPowerOfTwo64(c/3)
 12609  	// result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)])
 12610  	for {
 12611  		a := v_0
 12612  		x := v_1
 12613  		if v_2.Op != OpARM64MOVDconst {
 12614  			break
 12615  		}
 12616  		c := auxIntToInt64(v_2.AuxInt)
 12617  		if !(c%3 == 0 && isPowerOfTwo64(c/3)) {
 12618  			break
 12619  		}
 12620  		v.reset(OpARM64ADDshiftLL)
 12621  		v.AuxInt = int64ToAuxInt(log64(c / 3))
 12622  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 12623  		v0.AuxInt = int64ToAuxInt(2)
 12624  		v0.AddArg2(x, x)
 12625  		v.AddArg2(a, v0)
 12626  		return true
 12627  	}
 12628  	// match: (MSUB a x (MOVDconst [c]))
 12629  	// cond: c%5 == 0 && isPowerOfTwo64(c/5)
 12630  	// result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)])
 12631  	for {
 12632  		a := v_0
 12633  		x := v_1
 12634  		if v_2.Op != OpARM64MOVDconst {
 12635  			break
 12636  		}
 12637  		c := auxIntToInt64(v_2.AuxInt)
 12638  		if !(c%5 == 0 && isPowerOfTwo64(c/5)) {
 12639  			break
 12640  		}
 12641  		v.reset(OpARM64SUBshiftLL)
 12642  		v.AuxInt = int64ToAuxInt(log64(c / 5))
 12643  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 12644  		v0.AuxInt = int64ToAuxInt(2)
 12645  		v0.AddArg2(x, x)
 12646  		v.AddArg2(a, v0)
 12647  		return true
 12648  	}
 12649  	// match: (MSUB a x (MOVDconst [c]))
 12650  	// cond: c%7 == 0 && isPowerOfTwo64(c/7)
 12651  	// result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)])
 12652  	for {
 12653  		a := v_0
 12654  		x := v_1
 12655  		if v_2.Op != OpARM64MOVDconst {
 12656  			break
 12657  		}
 12658  		c := auxIntToInt64(v_2.AuxInt)
 12659  		if !(c%7 == 0 && isPowerOfTwo64(c/7)) {
 12660  			break
 12661  		}
 12662  		v.reset(OpARM64ADDshiftLL)
 12663  		v.AuxInt = int64ToAuxInt(log64(c / 7))
 12664  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 12665  		v0.AuxInt = int64ToAuxInt(3)
 12666  		v0.AddArg2(x, x)
 12667  		v.AddArg2(a, v0)
 12668  		return true
 12669  	}
 12670  	// match: (MSUB a x (MOVDconst [c]))
 12671  	// cond: c%9 == 0 && isPowerOfTwo64(c/9)
 12672  	// result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)])
 12673  	for {
 12674  		a := v_0
 12675  		x := v_1
 12676  		if v_2.Op != OpARM64MOVDconst {
 12677  			break
 12678  		}
 12679  		c := auxIntToInt64(v_2.AuxInt)
 12680  		if !(c%9 == 0 && isPowerOfTwo64(c/9)) {
 12681  			break
 12682  		}
 12683  		v.reset(OpARM64SUBshiftLL)
 12684  		v.AuxInt = int64ToAuxInt(log64(c / 9))
 12685  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 12686  		v0.AuxInt = int64ToAuxInt(3)
 12687  		v0.AddArg2(x, x)
 12688  		v.AddArg2(a, v0)
 12689  		return true
 12690  	}
 12691  	// match: (MSUB a (MOVDconst [-1]) x)
 12692  	// result: (ADD a x)
 12693  	for {
 12694  		a := v_0
 12695  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 {
 12696  			break
 12697  		}
 12698  		x := v_2
 12699  		v.reset(OpARM64ADD)
 12700  		v.AddArg2(a, x)
 12701  		return true
 12702  	}
 12703  	// match: (MSUB a (MOVDconst [0]) _)
 12704  	// result: a
 12705  	for {
 12706  		a := v_0
 12707  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
 12708  			break
 12709  		}
 12710  		v.copyOf(a)
 12711  		return true
 12712  	}
 12713  	// match: (MSUB a (MOVDconst [1]) x)
 12714  	// result: (SUB a x)
 12715  	for {
 12716  		a := v_0
 12717  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 12718  			break
 12719  		}
 12720  		x := v_2
 12721  		v.reset(OpARM64SUB)
 12722  		v.AddArg2(a, x)
 12723  		return true
 12724  	}
 12725  	// match: (MSUB a (MOVDconst [c]) x)
 12726  	// cond: isPowerOfTwo64(c)
 12727  	// result: (SUBshiftLL a x [log64(c)])
 12728  	for {
 12729  		a := v_0
 12730  		if v_1.Op != OpARM64MOVDconst {
 12731  			break
 12732  		}
 12733  		c := auxIntToInt64(v_1.AuxInt)
 12734  		x := v_2
 12735  		if !(isPowerOfTwo64(c)) {
 12736  			break
 12737  		}
 12738  		v.reset(OpARM64SUBshiftLL)
 12739  		v.AuxInt = int64ToAuxInt(log64(c))
 12740  		v.AddArg2(a, x)
 12741  		return true
 12742  	}
 12743  	// match: (MSUB a (MOVDconst [c]) x)
 12744  	// cond: isPowerOfTwo64(c-1) && c>=3
 12745  	// result: (SUB a (ADDshiftLL <x.Type> x x [log64(c-1)]))
 12746  	for {
 12747  		a := v_0
 12748  		if v_1.Op != OpARM64MOVDconst {
 12749  			break
 12750  		}
 12751  		c := auxIntToInt64(v_1.AuxInt)
 12752  		x := v_2
 12753  		if !(isPowerOfTwo64(c-1) && c >= 3) {
 12754  			break
 12755  		}
 12756  		v.reset(OpARM64SUB)
 12757  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 12758  		v0.AuxInt = int64ToAuxInt(log64(c - 1))
 12759  		v0.AddArg2(x, x)
 12760  		v.AddArg2(a, v0)
 12761  		return true
 12762  	}
 12763  	// match: (MSUB a (MOVDconst [c]) x)
 12764  	// cond: isPowerOfTwo64(c+1) && c>=7
 12765  	// result: (ADD a (SUBshiftLL <x.Type> x x [log64(c+1)]))
 12766  	for {
 12767  		a := v_0
 12768  		if v_1.Op != OpARM64MOVDconst {
 12769  			break
 12770  		}
 12771  		c := auxIntToInt64(v_1.AuxInt)
 12772  		x := v_2
 12773  		if !(isPowerOfTwo64(c+1) && c >= 7) {
 12774  			break
 12775  		}
 12776  		v.reset(OpARM64ADD)
 12777  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 12778  		v0.AuxInt = int64ToAuxInt(log64(c + 1))
 12779  		v0.AddArg2(x, x)
 12780  		v.AddArg2(a, v0)
 12781  		return true
 12782  	}
 12783  	// match: (MSUB a (MOVDconst [c]) x)
 12784  	// cond: c%3 == 0 && isPowerOfTwo64(c/3)
 12785  	// result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)])
 12786  	for {
 12787  		a := v_0
 12788  		if v_1.Op != OpARM64MOVDconst {
 12789  			break
 12790  		}
 12791  		c := auxIntToInt64(v_1.AuxInt)
 12792  		x := v_2
 12793  		if !(c%3 == 0 && isPowerOfTwo64(c/3)) {
 12794  			break
 12795  		}
 12796  		v.reset(OpARM64ADDshiftLL)
 12797  		v.AuxInt = int64ToAuxInt(log64(c / 3))
 12798  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 12799  		v0.AuxInt = int64ToAuxInt(2)
 12800  		v0.AddArg2(x, x)
 12801  		v.AddArg2(a, v0)
 12802  		return true
 12803  	}
 12804  	// match: (MSUB a (MOVDconst [c]) x)
 12805  	// cond: c%5 == 0 && isPowerOfTwo64(c/5)
 12806  	// result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)])
 12807  	for {
 12808  		a := v_0
 12809  		if v_1.Op != OpARM64MOVDconst {
 12810  			break
 12811  		}
 12812  		c := auxIntToInt64(v_1.AuxInt)
 12813  		x := v_2
 12814  		if !(c%5 == 0 && isPowerOfTwo64(c/5)) {
 12815  			break
 12816  		}
 12817  		v.reset(OpARM64SUBshiftLL)
 12818  		v.AuxInt = int64ToAuxInt(log64(c / 5))
 12819  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 12820  		v0.AuxInt = int64ToAuxInt(2)
 12821  		v0.AddArg2(x, x)
 12822  		v.AddArg2(a, v0)
 12823  		return true
 12824  	}
 12825  	// match: (MSUB a (MOVDconst [c]) x)
 12826  	// cond: c%7 == 0 && isPowerOfTwo64(c/7)
 12827  	// result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)])
 12828  	for {
 12829  		a := v_0
 12830  		if v_1.Op != OpARM64MOVDconst {
 12831  			break
 12832  		}
 12833  		c := auxIntToInt64(v_1.AuxInt)
 12834  		x := v_2
 12835  		if !(c%7 == 0 && isPowerOfTwo64(c/7)) {
 12836  			break
 12837  		}
 12838  		v.reset(OpARM64ADDshiftLL)
 12839  		v.AuxInt = int64ToAuxInt(log64(c / 7))
 12840  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 12841  		v0.AuxInt = int64ToAuxInt(3)
 12842  		v0.AddArg2(x, x)
 12843  		v.AddArg2(a, v0)
 12844  		return true
 12845  	}
 12846  	// match: (MSUB a (MOVDconst [c]) x)
 12847  	// cond: c%9 == 0 && isPowerOfTwo64(c/9)
 12848  	// result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)])
 12849  	for {
 12850  		a := v_0
 12851  		if v_1.Op != OpARM64MOVDconst {
 12852  			break
 12853  		}
 12854  		c := auxIntToInt64(v_1.AuxInt)
 12855  		x := v_2
 12856  		if !(c%9 == 0 && isPowerOfTwo64(c/9)) {
 12857  			break
 12858  		}
 12859  		v.reset(OpARM64SUBshiftLL)
 12860  		v.AuxInt = int64ToAuxInt(log64(c / 9))
 12861  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 12862  		v0.AuxInt = int64ToAuxInt(3)
 12863  		v0.AddArg2(x, x)
 12864  		v.AddArg2(a, v0)
 12865  		return true
 12866  	}
 12867  	// match: (MSUB (MOVDconst [c]) x y)
 12868  	// result: (ADDconst [c] (MNEG <x.Type> x y))
 12869  	for {
 12870  		if v_0.Op != OpARM64MOVDconst {
 12871  			break
 12872  		}
 12873  		c := auxIntToInt64(v_0.AuxInt)
 12874  		x := v_1
 12875  		y := v_2
 12876  		v.reset(OpARM64ADDconst)
 12877  		v.AuxInt = int64ToAuxInt(c)
 12878  		v0 := b.NewValue0(v.Pos, OpARM64MNEG, x.Type)
 12879  		v0.AddArg2(x, y)
 12880  		v.AddArg(v0)
 12881  		return true
 12882  	}
 12883  	// match: (MSUB a (MOVDconst [c]) (MOVDconst [d]))
 12884  	// result: (SUBconst [c*d] a)
 12885  	for {
 12886  		a := v_0
 12887  		if v_1.Op != OpARM64MOVDconst {
 12888  			break
 12889  		}
 12890  		c := auxIntToInt64(v_1.AuxInt)
 12891  		if v_2.Op != OpARM64MOVDconst {
 12892  			break
 12893  		}
 12894  		d := auxIntToInt64(v_2.AuxInt)
 12895  		v.reset(OpARM64SUBconst)
 12896  		v.AuxInt = int64ToAuxInt(c * d)
 12897  		v.AddArg(a)
 12898  		return true
 12899  	}
 12900  	return false
 12901  }
 12902  func rewriteValueARM64_OpARM64MSUBW(v *Value) bool {
 12903  	v_2 := v.Args[2]
 12904  	v_1 := v.Args[1]
 12905  	v_0 := v.Args[0]
 12906  	b := v.Block
 12907  	// match: (MSUBW a x (MOVDconst [c]))
 12908  	// cond: int32(c)==-1
 12909  	// result: (MOVWUreg (ADD <a.Type> a x))
 12910  	for {
 12911  		a := v_0
 12912  		x := v_1
 12913  		if v_2.Op != OpARM64MOVDconst {
 12914  			break
 12915  		}
 12916  		c := auxIntToInt64(v_2.AuxInt)
 12917  		if !(int32(c) == -1) {
 12918  			break
 12919  		}
 12920  		v.reset(OpARM64MOVWUreg)
 12921  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
 12922  		v0.AddArg2(a, x)
 12923  		v.AddArg(v0)
 12924  		return true
 12925  	}
 12926  	// match: (MSUBW a _ (MOVDconst [c]))
 12927  	// cond: int32(c)==0
 12928  	// result: (MOVWUreg a)
 12929  	for {
 12930  		a := v_0
 12931  		if v_2.Op != OpARM64MOVDconst {
 12932  			break
 12933  		}
 12934  		c := auxIntToInt64(v_2.AuxInt)
 12935  		if !(int32(c) == 0) {
 12936  			break
 12937  		}
 12938  		v.reset(OpARM64MOVWUreg)
 12939  		v.AddArg(a)
 12940  		return true
 12941  	}
 12942  	// match: (MSUBW a x (MOVDconst [c]))
 12943  	// cond: int32(c)==1
 12944  	// result: (MOVWUreg (SUB <a.Type> a x))
 12945  	for {
 12946  		a := v_0
 12947  		x := v_1
 12948  		if v_2.Op != OpARM64MOVDconst {
 12949  			break
 12950  		}
 12951  		c := auxIntToInt64(v_2.AuxInt)
 12952  		if !(int32(c) == 1) {
 12953  			break
 12954  		}
 12955  		v.reset(OpARM64MOVWUreg)
 12956  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
 12957  		v0.AddArg2(a, x)
 12958  		v.AddArg(v0)
 12959  		return true
 12960  	}
 12961  	// match: (MSUBW a x (MOVDconst [c]))
 12962  	// cond: isPowerOfTwo64(c)
 12963  	// result: (MOVWUreg (SUBshiftLL <a.Type> a x [log64(c)]))
 12964  	for {
 12965  		a := v_0
 12966  		x := v_1
 12967  		if v_2.Op != OpARM64MOVDconst {
 12968  			break
 12969  		}
 12970  		c := auxIntToInt64(v_2.AuxInt)
 12971  		if !(isPowerOfTwo64(c)) {
 12972  			break
 12973  		}
 12974  		v.reset(OpARM64MOVWUreg)
 12975  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 12976  		v0.AuxInt = int64ToAuxInt(log64(c))
 12977  		v0.AddArg2(a, x)
 12978  		v.AddArg(v0)
 12979  		return true
 12980  	}
 12981  	// match: (MSUBW a x (MOVDconst [c]))
 12982  	// cond: isPowerOfTwo64(c-1) && int32(c)>=3
 12983  	// result: (MOVWUreg (SUB <a.Type> a (ADDshiftLL <x.Type> x x [log64(c-1)])))
 12984  	for {
 12985  		a := v_0
 12986  		x := v_1
 12987  		if v_2.Op != OpARM64MOVDconst {
 12988  			break
 12989  		}
 12990  		c := auxIntToInt64(v_2.AuxInt)
 12991  		if !(isPowerOfTwo64(c-1) && int32(c) >= 3) {
 12992  			break
 12993  		}
 12994  		v.reset(OpARM64MOVWUreg)
 12995  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
 12996  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 12997  		v1.AuxInt = int64ToAuxInt(log64(c - 1))
 12998  		v1.AddArg2(x, x)
 12999  		v0.AddArg2(a, v1)
 13000  		v.AddArg(v0)
 13001  		return true
 13002  	}
 13003  	// match: (MSUBW a x (MOVDconst [c]))
 13004  	// cond: isPowerOfTwo64(c+1) && int32(c)>=7
 13005  	// result: (MOVWUreg (ADD <a.Type> a (SUBshiftLL <x.Type> x x [log64(c+1)])))
 13006  	for {
 13007  		a := v_0
 13008  		x := v_1
 13009  		if v_2.Op != OpARM64MOVDconst {
 13010  			break
 13011  		}
 13012  		c := auxIntToInt64(v_2.AuxInt)
 13013  		if !(isPowerOfTwo64(c+1) && int32(c) >= 7) {
 13014  			break
 13015  		}
 13016  		v.reset(OpARM64MOVWUreg)
 13017  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
 13018  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13019  		v1.AuxInt = int64ToAuxInt(log64(c + 1))
 13020  		v1.AddArg2(x, x)
 13021  		v0.AddArg2(a, v1)
 13022  		v.AddArg(v0)
 13023  		return true
 13024  	}
 13025  	// match: (MSUBW a x (MOVDconst [c]))
 13026  	// cond: c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)
 13027  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]))
 13028  	for {
 13029  		a := v_0
 13030  		x := v_1
 13031  		if v_2.Op != OpARM64MOVDconst {
 13032  			break
 13033  		}
 13034  		c := auxIntToInt64(v_2.AuxInt)
 13035  		if !(c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)) {
 13036  			break
 13037  		}
 13038  		v.reset(OpARM64MOVWUreg)
 13039  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
 13040  		v0.AuxInt = int64ToAuxInt(log64(c / 3))
 13041  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13042  		v1.AuxInt = int64ToAuxInt(2)
 13043  		v1.AddArg2(x, x)
 13044  		v0.AddArg2(a, v1)
 13045  		v.AddArg(v0)
 13046  		return true
 13047  	}
 13048  	// match: (MSUBW a x (MOVDconst [c]))
 13049  	// cond: c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)
 13050  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]))
 13051  	for {
 13052  		a := v_0
 13053  		x := v_1
 13054  		if v_2.Op != OpARM64MOVDconst {
 13055  			break
 13056  		}
 13057  		c := auxIntToInt64(v_2.AuxInt)
 13058  		if !(c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)) {
 13059  			break
 13060  		}
 13061  		v.reset(OpARM64MOVWUreg)
 13062  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13063  		v0.AuxInt = int64ToAuxInt(log64(c / 5))
 13064  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13065  		v1.AuxInt = int64ToAuxInt(2)
 13066  		v1.AddArg2(x, x)
 13067  		v0.AddArg2(a, v1)
 13068  		v.AddArg(v0)
 13069  		return true
 13070  	}
 13071  	// match: (MSUBW a x (MOVDconst [c]))
 13072  	// cond: c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)
 13073  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]))
 13074  	for {
 13075  		a := v_0
 13076  		x := v_1
 13077  		if v_2.Op != OpARM64MOVDconst {
 13078  			break
 13079  		}
 13080  		c := auxIntToInt64(v_2.AuxInt)
 13081  		if !(c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)) {
 13082  			break
 13083  		}
 13084  		v.reset(OpARM64MOVWUreg)
 13085  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
 13086  		v0.AuxInt = int64ToAuxInt(log64(c / 7))
 13087  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13088  		v1.AuxInt = int64ToAuxInt(3)
 13089  		v1.AddArg2(x, x)
 13090  		v0.AddArg2(a, v1)
 13091  		v.AddArg(v0)
 13092  		return true
 13093  	}
 13094  	// match: (MSUBW a x (MOVDconst [c]))
 13095  	// cond: c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)
 13096  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]))
 13097  	for {
 13098  		a := v_0
 13099  		x := v_1
 13100  		if v_2.Op != OpARM64MOVDconst {
 13101  			break
 13102  		}
 13103  		c := auxIntToInt64(v_2.AuxInt)
 13104  		if !(c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)) {
 13105  			break
 13106  		}
 13107  		v.reset(OpARM64MOVWUreg)
 13108  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13109  		v0.AuxInt = int64ToAuxInt(log64(c / 9))
 13110  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13111  		v1.AuxInt = int64ToAuxInt(3)
 13112  		v1.AddArg2(x, x)
 13113  		v0.AddArg2(a, v1)
 13114  		v.AddArg(v0)
 13115  		return true
 13116  	}
 13117  	// match: (MSUBW a (MOVDconst [c]) x)
 13118  	// cond: int32(c)==-1
 13119  	// result: (MOVWUreg (ADD <a.Type> a x))
 13120  	for {
 13121  		a := v_0
 13122  		if v_1.Op != OpARM64MOVDconst {
 13123  			break
 13124  		}
 13125  		c := auxIntToInt64(v_1.AuxInt)
 13126  		x := v_2
 13127  		if !(int32(c) == -1) {
 13128  			break
 13129  		}
 13130  		v.reset(OpARM64MOVWUreg)
 13131  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
 13132  		v0.AddArg2(a, x)
 13133  		v.AddArg(v0)
 13134  		return true
 13135  	}
 13136  	// match: (MSUBW a (MOVDconst [c]) _)
 13137  	// cond: int32(c)==0
 13138  	// result: (MOVWUreg a)
 13139  	for {
 13140  		a := v_0
 13141  		if v_1.Op != OpARM64MOVDconst {
 13142  			break
 13143  		}
 13144  		c := auxIntToInt64(v_1.AuxInt)
 13145  		if !(int32(c) == 0) {
 13146  			break
 13147  		}
 13148  		v.reset(OpARM64MOVWUreg)
 13149  		v.AddArg(a)
 13150  		return true
 13151  	}
 13152  	// match: (MSUBW a (MOVDconst [c]) x)
 13153  	// cond: int32(c)==1
 13154  	// result: (MOVWUreg (SUB <a.Type> a x))
 13155  	for {
 13156  		a := v_0
 13157  		if v_1.Op != OpARM64MOVDconst {
 13158  			break
 13159  		}
 13160  		c := auxIntToInt64(v_1.AuxInt)
 13161  		x := v_2
 13162  		if !(int32(c) == 1) {
 13163  			break
 13164  		}
 13165  		v.reset(OpARM64MOVWUreg)
 13166  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
 13167  		v0.AddArg2(a, x)
 13168  		v.AddArg(v0)
 13169  		return true
 13170  	}
 13171  	// match: (MSUBW a (MOVDconst [c]) x)
 13172  	// cond: isPowerOfTwo64(c)
 13173  	// result: (MOVWUreg (SUBshiftLL <a.Type> a x [log64(c)]))
 13174  	for {
 13175  		a := v_0
 13176  		if v_1.Op != OpARM64MOVDconst {
 13177  			break
 13178  		}
 13179  		c := auxIntToInt64(v_1.AuxInt)
 13180  		x := v_2
 13181  		if !(isPowerOfTwo64(c)) {
 13182  			break
 13183  		}
 13184  		v.reset(OpARM64MOVWUreg)
 13185  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13186  		v0.AuxInt = int64ToAuxInt(log64(c))
 13187  		v0.AddArg2(a, x)
 13188  		v.AddArg(v0)
 13189  		return true
 13190  	}
 13191  	// match: (MSUBW a (MOVDconst [c]) x)
 13192  	// cond: isPowerOfTwo64(c-1) && int32(c)>=3
 13193  	// result: (MOVWUreg (SUB <a.Type> a (ADDshiftLL <x.Type> x x [log64(c-1)])))
 13194  	for {
 13195  		a := v_0
 13196  		if v_1.Op != OpARM64MOVDconst {
 13197  			break
 13198  		}
 13199  		c := auxIntToInt64(v_1.AuxInt)
 13200  		x := v_2
 13201  		if !(isPowerOfTwo64(c-1) && int32(c) >= 3) {
 13202  			break
 13203  		}
 13204  		v.reset(OpARM64MOVWUreg)
 13205  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
 13206  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13207  		v1.AuxInt = int64ToAuxInt(log64(c - 1))
 13208  		v1.AddArg2(x, x)
 13209  		v0.AddArg2(a, v1)
 13210  		v.AddArg(v0)
 13211  		return true
 13212  	}
 13213  	// match: (MSUBW a (MOVDconst [c]) x)
 13214  	// cond: isPowerOfTwo64(c+1) && int32(c)>=7
 13215  	// result: (MOVWUreg (ADD <a.Type> a (SUBshiftLL <x.Type> x x [log64(c+1)])))
 13216  	for {
 13217  		a := v_0
 13218  		if v_1.Op != OpARM64MOVDconst {
 13219  			break
 13220  		}
 13221  		c := auxIntToInt64(v_1.AuxInt)
 13222  		x := v_2
 13223  		if !(isPowerOfTwo64(c+1) && int32(c) >= 7) {
 13224  			break
 13225  		}
 13226  		v.reset(OpARM64MOVWUreg)
 13227  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
 13228  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13229  		v1.AuxInt = int64ToAuxInt(log64(c + 1))
 13230  		v1.AddArg2(x, x)
 13231  		v0.AddArg2(a, v1)
 13232  		v.AddArg(v0)
 13233  		return true
 13234  	}
 13235  	// match: (MSUBW a (MOVDconst [c]) x)
 13236  	// cond: c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)
 13237  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]))
 13238  	for {
 13239  		a := v_0
 13240  		if v_1.Op != OpARM64MOVDconst {
 13241  			break
 13242  		}
 13243  		c := auxIntToInt64(v_1.AuxInt)
 13244  		x := v_2
 13245  		if !(c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)) {
 13246  			break
 13247  		}
 13248  		v.reset(OpARM64MOVWUreg)
 13249  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
 13250  		v0.AuxInt = int64ToAuxInt(log64(c / 3))
 13251  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13252  		v1.AuxInt = int64ToAuxInt(2)
 13253  		v1.AddArg2(x, x)
 13254  		v0.AddArg2(a, v1)
 13255  		v.AddArg(v0)
 13256  		return true
 13257  	}
 13258  	// match: (MSUBW a (MOVDconst [c]) x)
 13259  	// cond: c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)
 13260  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]))
 13261  	for {
 13262  		a := v_0
 13263  		if v_1.Op != OpARM64MOVDconst {
 13264  			break
 13265  		}
 13266  		c := auxIntToInt64(v_1.AuxInt)
 13267  		x := v_2
 13268  		if !(c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)) {
 13269  			break
 13270  		}
 13271  		v.reset(OpARM64MOVWUreg)
 13272  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13273  		v0.AuxInt = int64ToAuxInt(log64(c / 5))
 13274  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13275  		v1.AuxInt = int64ToAuxInt(2)
 13276  		v1.AddArg2(x, x)
 13277  		v0.AddArg2(a, v1)
 13278  		v.AddArg(v0)
 13279  		return true
 13280  	}
 13281  	// match: (MSUBW a (MOVDconst [c]) x)
 13282  	// cond: c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)
 13283  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]))
 13284  	for {
 13285  		a := v_0
 13286  		if v_1.Op != OpARM64MOVDconst {
 13287  			break
 13288  		}
 13289  		c := auxIntToInt64(v_1.AuxInt)
 13290  		x := v_2
 13291  		if !(c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)) {
 13292  			break
 13293  		}
 13294  		v.reset(OpARM64MOVWUreg)
 13295  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
 13296  		v0.AuxInt = int64ToAuxInt(log64(c / 7))
 13297  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13298  		v1.AuxInt = int64ToAuxInt(3)
 13299  		v1.AddArg2(x, x)
 13300  		v0.AddArg2(a, v1)
 13301  		v.AddArg(v0)
 13302  		return true
 13303  	}
 13304  	// match: (MSUBW a (MOVDconst [c]) x)
 13305  	// cond: c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)
 13306  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]))
 13307  	for {
 13308  		a := v_0
 13309  		if v_1.Op != OpARM64MOVDconst {
 13310  			break
 13311  		}
 13312  		c := auxIntToInt64(v_1.AuxInt)
 13313  		x := v_2
 13314  		if !(c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)) {
 13315  			break
 13316  		}
 13317  		v.reset(OpARM64MOVWUreg)
 13318  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13319  		v0.AuxInt = int64ToAuxInt(log64(c / 9))
 13320  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13321  		v1.AuxInt = int64ToAuxInt(3)
 13322  		v1.AddArg2(x, x)
 13323  		v0.AddArg2(a, v1)
 13324  		v.AddArg(v0)
 13325  		return true
 13326  	}
 13327  	// match: (MSUBW (MOVDconst [c]) x y)
 13328  	// result: (MOVWUreg (ADDconst <x.Type> [c] (MNEGW <x.Type> x y)))
 13329  	for {
 13330  		if v_0.Op != OpARM64MOVDconst {
 13331  			break
 13332  		}
 13333  		c := auxIntToInt64(v_0.AuxInt)
 13334  		x := v_1
 13335  		y := v_2
 13336  		v.reset(OpARM64MOVWUreg)
 13337  		v0 := b.NewValue0(v.Pos, OpARM64ADDconst, x.Type)
 13338  		v0.AuxInt = int64ToAuxInt(c)
 13339  		v1 := b.NewValue0(v.Pos, OpARM64MNEGW, x.Type)
 13340  		v1.AddArg2(x, y)
 13341  		v0.AddArg(v1)
 13342  		v.AddArg(v0)
 13343  		return true
 13344  	}
 13345  	// match: (MSUBW a (MOVDconst [c]) (MOVDconst [d]))
 13346  	// result: (MOVWUreg (SUBconst <a.Type> [c*d] a))
 13347  	for {
 13348  		a := v_0
 13349  		if v_1.Op != OpARM64MOVDconst {
 13350  			break
 13351  		}
 13352  		c := auxIntToInt64(v_1.AuxInt)
 13353  		if v_2.Op != OpARM64MOVDconst {
 13354  			break
 13355  		}
 13356  		d := auxIntToInt64(v_2.AuxInt)
 13357  		v.reset(OpARM64MOVWUreg)
 13358  		v0 := b.NewValue0(v.Pos, OpARM64SUBconst, a.Type)
 13359  		v0.AuxInt = int64ToAuxInt(c * d)
 13360  		v0.AddArg(a)
 13361  		v.AddArg(v0)
 13362  		return true
 13363  	}
 13364  	return false
 13365  }
 13366  func rewriteValueARM64_OpARM64MUL(v *Value) bool {
 13367  	v_1 := v.Args[1]
 13368  	v_0 := v.Args[0]
 13369  	b := v.Block
 13370  	// match: (MUL (NEG x) y)
 13371  	// result: (MNEG x y)
 13372  	for {
 13373  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13374  			if v_0.Op != OpARM64NEG {
 13375  				continue
 13376  			}
 13377  			x := v_0.Args[0]
 13378  			y := v_1
 13379  			v.reset(OpARM64MNEG)
 13380  			v.AddArg2(x, y)
 13381  			return true
 13382  		}
 13383  		break
 13384  	}
 13385  	// match: (MUL x (MOVDconst [-1]))
 13386  	// result: (NEG x)
 13387  	for {
 13388  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13389  			x := v_0
 13390  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 {
 13391  				continue
 13392  			}
 13393  			v.reset(OpARM64NEG)
 13394  			v.AddArg(x)
 13395  			return true
 13396  		}
 13397  		break
 13398  	}
 13399  	// match: (MUL _ (MOVDconst [0]))
 13400  	// result: (MOVDconst [0])
 13401  	for {
 13402  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13403  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
 13404  				continue
 13405  			}
 13406  			v.reset(OpARM64MOVDconst)
 13407  			v.AuxInt = int64ToAuxInt(0)
 13408  			return true
 13409  		}
 13410  		break
 13411  	}
 13412  	// match: (MUL x (MOVDconst [1]))
 13413  	// result: x
 13414  	for {
 13415  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13416  			x := v_0
 13417  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 13418  				continue
 13419  			}
 13420  			v.copyOf(x)
 13421  			return true
 13422  		}
 13423  		break
 13424  	}
 13425  	// match: (MUL x (MOVDconst [c]))
 13426  	// cond: isPowerOfTwo64(c)
 13427  	// result: (SLLconst [log64(c)] x)
 13428  	for {
 13429  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13430  			x := v_0
 13431  			if v_1.Op != OpARM64MOVDconst {
 13432  				continue
 13433  			}
 13434  			c := auxIntToInt64(v_1.AuxInt)
 13435  			if !(isPowerOfTwo64(c)) {
 13436  				continue
 13437  			}
 13438  			v.reset(OpARM64SLLconst)
 13439  			v.AuxInt = int64ToAuxInt(log64(c))
 13440  			v.AddArg(x)
 13441  			return true
 13442  		}
 13443  		break
 13444  	}
 13445  	// match: (MUL x (MOVDconst [c]))
 13446  	// cond: isPowerOfTwo64(c-1) && c >= 3
 13447  	// result: (ADDshiftLL x x [log64(c-1)])
 13448  	for {
 13449  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13450  			x := v_0
 13451  			if v_1.Op != OpARM64MOVDconst {
 13452  				continue
 13453  			}
 13454  			c := auxIntToInt64(v_1.AuxInt)
 13455  			if !(isPowerOfTwo64(c-1) && c >= 3) {
 13456  				continue
 13457  			}
 13458  			v.reset(OpARM64ADDshiftLL)
 13459  			v.AuxInt = int64ToAuxInt(log64(c - 1))
 13460  			v.AddArg2(x, x)
 13461  			return true
 13462  		}
 13463  		break
 13464  	}
 13465  	// match: (MUL x (MOVDconst [c]))
 13466  	// cond: isPowerOfTwo64(c+1) && c >= 7
 13467  	// result: (ADDshiftLL (NEG <x.Type> x) x [log64(c+1)])
 13468  	for {
 13469  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13470  			x := v_0
 13471  			if v_1.Op != OpARM64MOVDconst {
 13472  				continue
 13473  			}
 13474  			c := auxIntToInt64(v_1.AuxInt)
 13475  			if !(isPowerOfTwo64(c+1) && c >= 7) {
 13476  				continue
 13477  			}
 13478  			v.reset(OpARM64ADDshiftLL)
 13479  			v.AuxInt = int64ToAuxInt(log64(c + 1))
 13480  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
 13481  			v0.AddArg(x)
 13482  			v.AddArg2(v0, x)
 13483  			return true
 13484  		}
 13485  		break
 13486  	}
 13487  	// match: (MUL x (MOVDconst [c]))
 13488  	// cond: c%3 == 0 && isPowerOfTwo64(c/3)
 13489  	// result: (SLLconst [log64(c/3)] (ADDshiftLL <x.Type> x x [1]))
 13490  	for {
 13491  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13492  			x := v_0
 13493  			if v_1.Op != OpARM64MOVDconst {
 13494  				continue
 13495  			}
 13496  			c := auxIntToInt64(v_1.AuxInt)
 13497  			if !(c%3 == 0 && isPowerOfTwo64(c/3)) {
 13498  				continue
 13499  			}
 13500  			v.reset(OpARM64SLLconst)
 13501  			v.AuxInt = int64ToAuxInt(log64(c / 3))
 13502  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13503  			v0.AuxInt = int64ToAuxInt(1)
 13504  			v0.AddArg2(x, x)
 13505  			v.AddArg(v0)
 13506  			return true
 13507  		}
 13508  		break
 13509  	}
 13510  	// match: (MUL x (MOVDconst [c]))
 13511  	// cond: c%5 == 0 && isPowerOfTwo64(c/5)
 13512  	// result: (SLLconst [log64(c/5)] (ADDshiftLL <x.Type> x x [2]))
 13513  	for {
 13514  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13515  			x := v_0
 13516  			if v_1.Op != OpARM64MOVDconst {
 13517  				continue
 13518  			}
 13519  			c := auxIntToInt64(v_1.AuxInt)
 13520  			if !(c%5 == 0 && isPowerOfTwo64(c/5)) {
 13521  				continue
 13522  			}
 13523  			v.reset(OpARM64SLLconst)
 13524  			v.AuxInt = int64ToAuxInt(log64(c / 5))
 13525  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13526  			v0.AuxInt = int64ToAuxInt(2)
 13527  			v0.AddArg2(x, x)
 13528  			v.AddArg(v0)
 13529  			return true
 13530  		}
 13531  		break
 13532  	}
 13533  	// match: (MUL x (MOVDconst [c]))
 13534  	// cond: c%7 == 0 && isPowerOfTwo64(c/7)
 13535  	// result: (SLLconst [log64(c/7)] (ADDshiftLL <x.Type> (NEG <x.Type> x) x [3]))
 13536  	for {
 13537  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13538  			x := v_0
 13539  			if v_1.Op != OpARM64MOVDconst {
 13540  				continue
 13541  			}
 13542  			c := auxIntToInt64(v_1.AuxInt)
 13543  			if !(c%7 == 0 && isPowerOfTwo64(c/7)) {
 13544  				continue
 13545  			}
 13546  			v.reset(OpARM64SLLconst)
 13547  			v.AuxInt = int64ToAuxInt(log64(c / 7))
 13548  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13549  			v0.AuxInt = int64ToAuxInt(3)
 13550  			v1 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
 13551  			v1.AddArg(x)
 13552  			v0.AddArg2(v1, x)
 13553  			v.AddArg(v0)
 13554  			return true
 13555  		}
 13556  		break
 13557  	}
 13558  	// match: (MUL x (MOVDconst [c]))
 13559  	// cond: c%9 == 0 && isPowerOfTwo64(c/9)
 13560  	// result: (SLLconst [log64(c/9)] (ADDshiftLL <x.Type> x x [3]))
 13561  	for {
 13562  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13563  			x := v_0
 13564  			if v_1.Op != OpARM64MOVDconst {
 13565  				continue
 13566  			}
 13567  			c := auxIntToInt64(v_1.AuxInt)
 13568  			if !(c%9 == 0 && isPowerOfTwo64(c/9)) {
 13569  				continue
 13570  			}
 13571  			v.reset(OpARM64SLLconst)
 13572  			v.AuxInt = int64ToAuxInt(log64(c / 9))
 13573  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13574  			v0.AuxInt = int64ToAuxInt(3)
 13575  			v0.AddArg2(x, x)
 13576  			v.AddArg(v0)
 13577  			return true
 13578  		}
 13579  		break
 13580  	}
 13581  	// match: (MUL (MOVDconst [c]) (MOVDconst [d]))
 13582  	// result: (MOVDconst [c*d])
 13583  	for {
 13584  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13585  			if v_0.Op != OpARM64MOVDconst {
 13586  				continue
 13587  			}
 13588  			c := auxIntToInt64(v_0.AuxInt)
 13589  			if v_1.Op != OpARM64MOVDconst {
 13590  				continue
 13591  			}
 13592  			d := auxIntToInt64(v_1.AuxInt)
 13593  			v.reset(OpARM64MOVDconst)
 13594  			v.AuxInt = int64ToAuxInt(c * d)
 13595  			return true
 13596  		}
 13597  		break
 13598  	}
 13599  	return false
 13600  }
 13601  func rewriteValueARM64_OpARM64MULW(v *Value) bool {
 13602  	v_1 := v.Args[1]
 13603  	v_0 := v.Args[0]
 13604  	b := v.Block
 13605  	// match: (MULW (NEG x) y)
 13606  	// result: (MNEGW x y)
 13607  	for {
 13608  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13609  			if v_0.Op != OpARM64NEG {
 13610  				continue
 13611  			}
 13612  			x := v_0.Args[0]
 13613  			y := v_1
 13614  			v.reset(OpARM64MNEGW)
 13615  			v.AddArg2(x, y)
 13616  			return true
 13617  		}
 13618  		break
 13619  	}
 13620  	// match: (MULW x (MOVDconst [c]))
 13621  	// cond: int32(c)==-1
 13622  	// result: (MOVWUreg (NEG <x.Type> x))
 13623  	for {
 13624  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13625  			x := v_0
 13626  			if v_1.Op != OpARM64MOVDconst {
 13627  				continue
 13628  			}
 13629  			c := auxIntToInt64(v_1.AuxInt)
 13630  			if !(int32(c) == -1) {
 13631  				continue
 13632  			}
 13633  			v.reset(OpARM64MOVWUreg)
 13634  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
 13635  			v0.AddArg(x)
 13636  			v.AddArg(v0)
 13637  			return true
 13638  		}
 13639  		break
 13640  	}
 13641  	// match: (MULW _ (MOVDconst [c]))
 13642  	// cond: int32(c)==0
 13643  	// result: (MOVDconst [0])
 13644  	for {
 13645  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13646  			if v_1.Op != OpARM64MOVDconst {
 13647  				continue
 13648  			}
 13649  			c := auxIntToInt64(v_1.AuxInt)
 13650  			if !(int32(c) == 0) {
 13651  				continue
 13652  			}
 13653  			v.reset(OpARM64MOVDconst)
 13654  			v.AuxInt = int64ToAuxInt(0)
 13655  			return true
 13656  		}
 13657  		break
 13658  	}
 13659  	// match: (MULW x (MOVDconst [c]))
 13660  	// cond: int32(c)==1
 13661  	// result: (MOVWUreg x)
 13662  	for {
 13663  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13664  			x := v_0
 13665  			if v_1.Op != OpARM64MOVDconst {
 13666  				continue
 13667  			}
 13668  			c := auxIntToInt64(v_1.AuxInt)
 13669  			if !(int32(c) == 1) {
 13670  				continue
 13671  			}
 13672  			v.reset(OpARM64MOVWUreg)
 13673  			v.AddArg(x)
 13674  			return true
 13675  		}
 13676  		break
 13677  	}
 13678  	// match: (MULW x (MOVDconst [c]))
 13679  	// cond: isPowerOfTwo64(c)
 13680  	// result: (MOVWUreg (SLLconst <x.Type> [log64(c)] x))
 13681  	for {
 13682  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13683  			x := v_0
 13684  			if v_1.Op != OpARM64MOVDconst {
 13685  				continue
 13686  			}
 13687  			c := auxIntToInt64(v_1.AuxInt)
 13688  			if !(isPowerOfTwo64(c)) {
 13689  				continue
 13690  			}
 13691  			v.reset(OpARM64MOVWUreg)
 13692  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 13693  			v0.AuxInt = int64ToAuxInt(log64(c))
 13694  			v0.AddArg(x)
 13695  			v.AddArg(v0)
 13696  			return true
 13697  		}
 13698  		break
 13699  	}
 13700  	// match: (MULW x (MOVDconst [c]))
 13701  	// cond: isPowerOfTwo64(c-1) && int32(c) >= 3
 13702  	// result: (MOVWUreg (ADDshiftLL <x.Type> x x [log64(c-1)]))
 13703  	for {
 13704  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13705  			x := v_0
 13706  			if v_1.Op != OpARM64MOVDconst {
 13707  				continue
 13708  			}
 13709  			c := auxIntToInt64(v_1.AuxInt)
 13710  			if !(isPowerOfTwo64(c-1) && int32(c) >= 3) {
 13711  				continue
 13712  			}
 13713  			v.reset(OpARM64MOVWUreg)
 13714  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13715  			v0.AuxInt = int64ToAuxInt(log64(c - 1))
 13716  			v0.AddArg2(x, x)
 13717  			v.AddArg(v0)
 13718  			return true
 13719  		}
 13720  		break
 13721  	}
 13722  	// match: (MULW x (MOVDconst [c]))
 13723  	// cond: isPowerOfTwo64(c+1) && int32(c) >= 7
 13724  	// result: (MOVWUreg (ADDshiftLL <x.Type> (NEG <x.Type> x) x [log64(c+1)]))
 13725  	for {
 13726  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13727  			x := v_0
 13728  			if v_1.Op != OpARM64MOVDconst {
 13729  				continue
 13730  			}
 13731  			c := auxIntToInt64(v_1.AuxInt)
 13732  			if !(isPowerOfTwo64(c+1) && int32(c) >= 7) {
 13733  				continue
 13734  			}
 13735  			v.reset(OpARM64MOVWUreg)
 13736  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13737  			v0.AuxInt = int64ToAuxInt(log64(c + 1))
 13738  			v1 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
 13739  			v1.AddArg(x)
 13740  			v0.AddArg2(v1, x)
 13741  			v.AddArg(v0)
 13742  			return true
 13743  		}
 13744  		break
 13745  	}
 13746  	// match: (MULW x (MOVDconst [c]))
 13747  	// cond: c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)
 13748  	// result: (MOVWUreg (SLLconst <x.Type> [log64(c/3)] (ADDshiftLL <x.Type> x x [1])))
 13749  	for {
 13750  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13751  			x := v_0
 13752  			if v_1.Op != OpARM64MOVDconst {
 13753  				continue
 13754  			}
 13755  			c := auxIntToInt64(v_1.AuxInt)
 13756  			if !(c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)) {
 13757  				continue
 13758  			}
 13759  			v.reset(OpARM64MOVWUreg)
 13760  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 13761  			v0.AuxInt = int64ToAuxInt(log64(c / 3))
 13762  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13763  			v1.AuxInt = int64ToAuxInt(1)
 13764  			v1.AddArg2(x, x)
 13765  			v0.AddArg(v1)
 13766  			v.AddArg(v0)
 13767  			return true
 13768  		}
 13769  		break
 13770  	}
 13771  	// match: (MULW x (MOVDconst [c]))
 13772  	// cond: c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)
 13773  	// result: (MOVWUreg (SLLconst <x.Type> [log64(c/5)] (ADDshiftLL <x.Type> x x [2])))
 13774  	for {
 13775  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13776  			x := v_0
 13777  			if v_1.Op != OpARM64MOVDconst {
 13778  				continue
 13779  			}
 13780  			c := auxIntToInt64(v_1.AuxInt)
 13781  			if !(c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)) {
 13782  				continue
 13783  			}
 13784  			v.reset(OpARM64MOVWUreg)
 13785  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 13786  			v0.AuxInt = int64ToAuxInt(log64(c / 5))
 13787  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13788  			v1.AuxInt = int64ToAuxInt(2)
 13789  			v1.AddArg2(x, x)
 13790  			v0.AddArg(v1)
 13791  			v.AddArg(v0)
 13792  			return true
 13793  		}
 13794  		break
 13795  	}
 13796  	// match: (MULW x (MOVDconst [c]))
 13797  	// cond: c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)
 13798  	// result: (MOVWUreg (SLLconst <x.Type> [log64(c/7)] (ADDshiftLL <x.Type> (NEG <x.Type> x) x [3])))
 13799  	for {
 13800  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13801  			x := v_0
 13802  			if v_1.Op != OpARM64MOVDconst {
 13803  				continue
 13804  			}
 13805  			c := auxIntToInt64(v_1.AuxInt)
 13806  			if !(c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)) {
 13807  				continue
 13808  			}
 13809  			v.reset(OpARM64MOVWUreg)
 13810  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 13811  			v0.AuxInt = int64ToAuxInt(log64(c / 7))
 13812  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13813  			v1.AuxInt = int64ToAuxInt(3)
 13814  			v2 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
 13815  			v2.AddArg(x)
 13816  			v1.AddArg2(v2, x)
 13817  			v0.AddArg(v1)
 13818  			v.AddArg(v0)
 13819  			return true
 13820  		}
 13821  		break
 13822  	}
 13823  	// match: (MULW x (MOVDconst [c]))
 13824  	// cond: c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)
 13825  	// result: (MOVWUreg (SLLconst <x.Type> [log64(c/9)] (ADDshiftLL <x.Type> x x [3])))
 13826  	for {
 13827  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13828  			x := v_0
 13829  			if v_1.Op != OpARM64MOVDconst {
 13830  				continue
 13831  			}
 13832  			c := auxIntToInt64(v_1.AuxInt)
 13833  			if !(c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)) {
 13834  				continue
 13835  			}
 13836  			v.reset(OpARM64MOVWUreg)
 13837  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 13838  			v0.AuxInt = int64ToAuxInt(log64(c / 9))
 13839  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13840  			v1.AuxInt = int64ToAuxInt(3)
 13841  			v1.AddArg2(x, x)
 13842  			v0.AddArg(v1)
 13843  			v.AddArg(v0)
 13844  			return true
 13845  		}
 13846  		break
 13847  	}
 13848  	// match: (MULW (MOVDconst [c]) (MOVDconst [d]))
 13849  	// result: (MOVDconst [int64(uint32(c*d))])
 13850  	for {
 13851  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 13852  			if v_0.Op != OpARM64MOVDconst {
 13853  				continue
 13854  			}
 13855  			c := auxIntToInt64(v_0.AuxInt)
 13856  			if v_1.Op != OpARM64MOVDconst {
 13857  				continue
 13858  			}
 13859  			d := auxIntToInt64(v_1.AuxInt)
 13860  			v.reset(OpARM64MOVDconst)
 13861  			v.AuxInt = int64ToAuxInt(int64(uint32(c * d)))
 13862  			return true
 13863  		}
 13864  		break
 13865  	}
 13866  	return false
 13867  }
 13868  func rewriteValueARM64_OpARM64MVN(v *Value) bool {
 13869  	v_0 := v.Args[0]
 13870  	// match: (MVN (XOR x y))
 13871  	// result: (EON x y)
 13872  	for {
 13873  		if v_0.Op != OpARM64XOR {
 13874  			break
 13875  		}
 13876  		y := v_0.Args[1]
 13877  		x := v_0.Args[0]
 13878  		v.reset(OpARM64EON)
 13879  		v.AddArg2(x, y)
 13880  		return true
 13881  	}
 13882  	// match: (MVN (MOVDconst [c]))
 13883  	// result: (MOVDconst [^c])
 13884  	for {
 13885  		if v_0.Op != OpARM64MOVDconst {
 13886  			break
 13887  		}
 13888  		c := auxIntToInt64(v_0.AuxInt)
 13889  		v.reset(OpARM64MOVDconst)
 13890  		v.AuxInt = int64ToAuxInt(^c)
 13891  		return true
 13892  	}
 13893  	// match: (MVN x:(SLLconst [c] y))
 13894  	// cond: clobberIfDead(x)
 13895  	// result: (MVNshiftLL [c] y)
 13896  	for {
 13897  		x := v_0
 13898  		if x.Op != OpARM64SLLconst {
 13899  			break
 13900  		}
 13901  		c := auxIntToInt64(x.AuxInt)
 13902  		y := x.Args[0]
 13903  		if !(clobberIfDead(x)) {
 13904  			break
 13905  		}
 13906  		v.reset(OpARM64MVNshiftLL)
 13907  		v.AuxInt = int64ToAuxInt(c)
 13908  		v.AddArg(y)
 13909  		return true
 13910  	}
 13911  	// match: (MVN x:(SRLconst [c] y))
 13912  	// cond: clobberIfDead(x)
 13913  	// result: (MVNshiftRL [c] y)
 13914  	for {
 13915  		x := v_0
 13916  		if x.Op != OpARM64SRLconst {
 13917  			break
 13918  		}
 13919  		c := auxIntToInt64(x.AuxInt)
 13920  		y := x.Args[0]
 13921  		if !(clobberIfDead(x)) {
 13922  			break
 13923  		}
 13924  		v.reset(OpARM64MVNshiftRL)
 13925  		v.AuxInt = int64ToAuxInt(c)
 13926  		v.AddArg(y)
 13927  		return true
 13928  	}
 13929  	// match: (MVN x:(SRAconst [c] y))
 13930  	// cond: clobberIfDead(x)
 13931  	// result: (MVNshiftRA [c] y)
 13932  	for {
 13933  		x := v_0
 13934  		if x.Op != OpARM64SRAconst {
 13935  			break
 13936  		}
 13937  		c := auxIntToInt64(x.AuxInt)
 13938  		y := x.Args[0]
 13939  		if !(clobberIfDead(x)) {
 13940  			break
 13941  		}
 13942  		v.reset(OpARM64MVNshiftRA)
 13943  		v.AuxInt = int64ToAuxInt(c)
 13944  		v.AddArg(y)
 13945  		return true
 13946  	}
 13947  	// match: (MVN x:(RORconst [c] y))
 13948  	// cond: clobberIfDead(x)
 13949  	// result: (MVNshiftRO [c] y)
 13950  	for {
 13951  		x := v_0
 13952  		if x.Op != OpARM64RORconst {
 13953  			break
 13954  		}
 13955  		c := auxIntToInt64(x.AuxInt)
 13956  		y := x.Args[0]
 13957  		if !(clobberIfDead(x)) {
 13958  			break
 13959  		}
 13960  		v.reset(OpARM64MVNshiftRO)
 13961  		v.AuxInt = int64ToAuxInt(c)
 13962  		v.AddArg(y)
 13963  		return true
 13964  	}
 13965  	return false
 13966  }
 13967  func rewriteValueARM64_OpARM64MVNshiftLL(v *Value) bool {
 13968  	v_0 := v.Args[0]
 13969  	// match: (MVNshiftLL (MOVDconst [c]) [d])
 13970  	// result: (MOVDconst [^int64(uint64(c)<<uint64(d))])
 13971  	for {
 13972  		d := auxIntToInt64(v.AuxInt)
 13973  		if v_0.Op != OpARM64MOVDconst {
 13974  			break
 13975  		}
 13976  		c := auxIntToInt64(v_0.AuxInt)
 13977  		v.reset(OpARM64MOVDconst)
 13978  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) << uint64(d)))
 13979  		return true
 13980  	}
 13981  	return false
 13982  }
 13983  func rewriteValueARM64_OpARM64MVNshiftRA(v *Value) bool {
 13984  	v_0 := v.Args[0]
 13985  	// match: (MVNshiftRA (MOVDconst [c]) [d])
 13986  	// result: (MOVDconst [^(c>>uint64(d))])
 13987  	for {
 13988  		d := auxIntToInt64(v.AuxInt)
 13989  		if v_0.Op != OpARM64MOVDconst {
 13990  			break
 13991  		}
 13992  		c := auxIntToInt64(v_0.AuxInt)
 13993  		v.reset(OpARM64MOVDconst)
 13994  		v.AuxInt = int64ToAuxInt(^(c >> uint64(d)))
 13995  		return true
 13996  	}
 13997  	return false
 13998  }
 13999  func rewriteValueARM64_OpARM64MVNshiftRL(v *Value) bool {
 14000  	v_0 := v.Args[0]
 14001  	// match: (MVNshiftRL (MOVDconst [c]) [d])
 14002  	// result: (MOVDconst [^int64(uint64(c)>>uint64(d))])
 14003  	for {
 14004  		d := auxIntToInt64(v.AuxInt)
 14005  		if v_0.Op != OpARM64MOVDconst {
 14006  			break
 14007  		}
 14008  		c := auxIntToInt64(v_0.AuxInt)
 14009  		v.reset(OpARM64MOVDconst)
 14010  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) >> uint64(d)))
 14011  		return true
 14012  	}
 14013  	return false
 14014  }
 14015  func rewriteValueARM64_OpARM64MVNshiftRO(v *Value) bool {
 14016  	v_0 := v.Args[0]
 14017  	// match: (MVNshiftRO (MOVDconst [c]) [d])
 14018  	// result: (MOVDconst [^rotateRight64(c, d)])
 14019  	for {
 14020  		d := auxIntToInt64(v.AuxInt)
 14021  		if v_0.Op != OpARM64MOVDconst {
 14022  			break
 14023  		}
 14024  		c := auxIntToInt64(v_0.AuxInt)
 14025  		v.reset(OpARM64MOVDconst)
 14026  		v.AuxInt = int64ToAuxInt(^rotateRight64(c, d))
 14027  		return true
 14028  	}
 14029  	return false
 14030  }
 14031  func rewriteValueARM64_OpARM64NEG(v *Value) bool {
 14032  	v_0 := v.Args[0]
 14033  	// match: (NEG (MUL x y))
 14034  	// result: (MNEG x y)
 14035  	for {
 14036  		if v_0.Op != OpARM64MUL {
 14037  			break
 14038  		}
 14039  		y := v_0.Args[1]
 14040  		x := v_0.Args[0]
 14041  		v.reset(OpARM64MNEG)
 14042  		v.AddArg2(x, y)
 14043  		return true
 14044  	}
 14045  	// match: (NEG (MULW x y))
 14046  	// cond: v.Type.Size() <= 4
 14047  	// result: (MNEGW x y)
 14048  	for {
 14049  		if v_0.Op != OpARM64MULW {
 14050  			break
 14051  		}
 14052  		y := v_0.Args[1]
 14053  		x := v_0.Args[0]
 14054  		if !(v.Type.Size() <= 4) {
 14055  			break
 14056  		}
 14057  		v.reset(OpARM64MNEGW)
 14058  		v.AddArg2(x, y)
 14059  		return true
 14060  	}
 14061  	// match: (NEG (NEG x))
 14062  	// result: x
 14063  	for {
 14064  		if v_0.Op != OpARM64NEG {
 14065  			break
 14066  		}
 14067  		x := v_0.Args[0]
 14068  		v.copyOf(x)
 14069  		return true
 14070  	}
 14071  	// match: (NEG (MOVDconst [c]))
 14072  	// result: (MOVDconst [-c])
 14073  	for {
 14074  		if v_0.Op != OpARM64MOVDconst {
 14075  			break
 14076  		}
 14077  		c := auxIntToInt64(v_0.AuxInt)
 14078  		v.reset(OpARM64MOVDconst)
 14079  		v.AuxInt = int64ToAuxInt(-c)
 14080  		return true
 14081  	}
 14082  	// match: (NEG x:(SLLconst [c] y))
 14083  	// cond: clobberIfDead(x)
 14084  	// result: (NEGshiftLL [c] y)
 14085  	for {
 14086  		x := v_0
 14087  		if x.Op != OpARM64SLLconst {
 14088  			break
 14089  		}
 14090  		c := auxIntToInt64(x.AuxInt)
 14091  		y := x.Args[0]
 14092  		if !(clobberIfDead(x)) {
 14093  			break
 14094  		}
 14095  		v.reset(OpARM64NEGshiftLL)
 14096  		v.AuxInt = int64ToAuxInt(c)
 14097  		v.AddArg(y)
 14098  		return true
 14099  	}
 14100  	// match: (NEG x:(SRLconst [c] y))
 14101  	// cond: clobberIfDead(x)
 14102  	// result: (NEGshiftRL [c] y)
 14103  	for {
 14104  		x := v_0
 14105  		if x.Op != OpARM64SRLconst {
 14106  			break
 14107  		}
 14108  		c := auxIntToInt64(x.AuxInt)
 14109  		y := x.Args[0]
 14110  		if !(clobberIfDead(x)) {
 14111  			break
 14112  		}
 14113  		v.reset(OpARM64NEGshiftRL)
 14114  		v.AuxInt = int64ToAuxInt(c)
 14115  		v.AddArg(y)
 14116  		return true
 14117  	}
 14118  	// match: (NEG x:(SRAconst [c] y))
 14119  	// cond: clobberIfDead(x)
 14120  	// result: (NEGshiftRA [c] y)
 14121  	for {
 14122  		x := v_0
 14123  		if x.Op != OpARM64SRAconst {
 14124  			break
 14125  		}
 14126  		c := auxIntToInt64(x.AuxInt)
 14127  		y := x.Args[0]
 14128  		if !(clobberIfDead(x)) {
 14129  			break
 14130  		}
 14131  		v.reset(OpARM64NEGshiftRA)
 14132  		v.AuxInt = int64ToAuxInt(c)
 14133  		v.AddArg(y)
 14134  		return true
 14135  	}
 14136  	return false
 14137  }
 14138  func rewriteValueARM64_OpARM64NEGshiftLL(v *Value) bool {
 14139  	v_0 := v.Args[0]
 14140  	// match: (NEGshiftLL (MOVDconst [c]) [d])
 14141  	// result: (MOVDconst [-int64(uint64(c)<<uint64(d))])
 14142  	for {
 14143  		d := auxIntToInt64(v.AuxInt)
 14144  		if v_0.Op != OpARM64MOVDconst {
 14145  			break
 14146  		}
 14147  		c := auxIntToInt64(v_0.AuxInt)
 14148  		v.reset(OpARM64MOVDconst)
 14149  		v.AuxInt = int64ToAuxInt(-int64(uint64(c) << uint64(d)))
 14150  		return true
 14151  	}
 14152  	return false
 14153  }
 14154  func rewriteValueARM64_OpARM64NEGshiftRA(v *Value) bool {
 14155  	v_0 := v.Args[0]
 14156  	// match: (NEGshiftRA (MOVDconst [c]) [d])
 14157  	// result: (MOVDconst [-(c>>uint64(d))])
 14158  	for {
 14159  		d := auxIntToInt64(v.AuxInt)
 14160  		if v_0.Op != OpARM64MOVDconst {
 14161  			break
 14162  		}
 14163  		c := auxIntToInt64(v_0.AuxInt)
 14164  		v.reset(OpARM64MOVDconst)
 14165  		v.AuxInt = int64ToAuxInt(-(c >> uint64(d)))
 14166  		return true
 14167  	}
 14168  	return false
 14169  }
 14170  func rewriteValueARM64_OpARM64NEGshiftRL(v *Value) bool {
 14171  	v_0 := v.Args[0]
 14172  	// match: (NEGshiftRL (MOVDconst [c]) [d])
 14173  	// result: (MOVDconst [-int64(uint64(c)>>uint64(d))])
 14174  	for {
 14175  		d := auxIntToInt64(v.AuxInt)
 14176  		if v_0.Op != OpARM64MOVDconst {
 14177  			break
 14178  		}
 14179  		c := auxIntToInt64(v_0.AuxInt)
 14180  		v.reset(OpARM64MOVDconst)
 14181  		v.AuxInt = int64ToAuxInt(-int64(uint64(c) >> uint64(d)))
 14182  		return true
 14183  	}
 14184  	return false
 14185  }
 14186  func rewriteValueARM64_OpARM64NotEqual(v *Value) bool {
 14187  	v_0 := v.Args[0]
 14188  	b := v.Block
 14189  	// match: (NotEqual (CMPconst [0] z:(AND x y)))
 14190  	// cond: z.Uses == 1
 14191  	// result: (NotEqual (TST x y))
 14192  	for {
 14193  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 14194  			break
 14195  		}
 14196  		z := v_0.Args[0]
 14197  		if z.Op != OpARM64AND {
 14198  			break
 14199  		}
 14200  		y := z.Args[1]
 14201  		x := z.Args[0]
 14202  		if !(z.Uses == 1) {
 14203  			break
 14204  		}
 14205  		v.reset(OpARM64NotEqual)
 14206  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
 14207  		v0.AddArg2(x, y)
 14208  		v.AddArg(v0)
 14209  		return true
 14210  	}
 14211  	// match: (NotEqual (CMPWconst [0] x:(ANDconst [c] y)))
 14212  	// cond: x.Uses == 1
 14213  	// result: (NotEqual (TSTWconst [int32(c)] y))
 14214  	for {
 14215  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 14216  			break
 14217  		}
 14218  		x := v_0.Args[0]
 14219  		if x.Op != OpARM64ANDconst {
 14220  			break
 14221  		}
 14222  		c := auxIntToInt64(x.AuxInt)
 14223  		y := x.Args[0]
 14224  		if !(x.Uses == 1) {
 14225  			break
 14226  		}
 14227  		v.reset(OpARM64NotEqual)
 14228  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
 14229  		v0.AuxInt = int32ToAuxInt(int32(c))
 14230  		v0.AddArg(y)
 14231  		v.AddArg(v0)
 14232  		return true
 14233  	}
 14234  	// match: (NotEqual (CMPWconst [0] z:(AND x y)))
 14235  	// cond: z.Uses == 1
 14236  	// result: (NotEqual (TSTW x y))
 14237  	for {
 14238  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 14239  			break
 14240  		}
 14241  		z := v_0.Args[0]
 14242  		if z.Op != OpARM64AND {
 14243  			break
 14244  		}
 14245  		y := z.Args[1]
 14246  		x := z.Args[0]
 14247  		if !(z.Uses == 1) {
 14248  			break
 14249  		}
 14250  		v.reset(OpARM64NotEqual)
 14251  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
 14252  		v0.AddArg2(x, y)
 14253  		v.AddArg(v0)
 14254  		return true
 14255  	}
 14256  	// match: (NotEqual (CMPconst [0] x:(ANDconst [c] y)))
 14257  	// cond: x.Uses == 1
 14258  	// result: (NotEqual (TSTconst [c] y))
 14259  	for {
 14260  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 14261  			break
 14262  		}
 14263  		x := v_0.Args[0]
 14264  		if x.Op != OpARM64ANDconst {
 14265  			break
 14266  		}
 14267  		c := auxIntToInt64(x.AuxInt)
 14268  		y := x.Args[0]
 14269  		if !(x.Uses == 1) {
 14270  			break
 14271  		}
 14272  		v.reset(OpARM64NotEqual)
 14273  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
 14274  		v0.AuxInt = int64ToAuxInt(c)
 14275  		v0.AddArg(y)
 14276  		v.AddArg(v0)
 14277  		return true
 14278  	}
 14279  	// match: (NotEqual (CMP x z:(NEG y)))
 14280  	// cond: z.Uses == 1
 14281  	// result: (NotEqual (CMN x y))
 14282  	for {
 14283  		if v_0.Op != OpARM64CMP {
 14284  			break
 14285  		}
 14286  		_ = v_0.Args[1]
 14287  		x := v_0.Args[0]
 14288  		z := v_0.Args[1]
 14289  		if z.Op != OpARM64NEG {
 14290  			break
 14291  		}
 14292  		y := z.Args[0]
 14293  		if !(z.Uses == 1) {
 14294  			break
 14295  		}
 14296  		v.reset(OpARM64NotEqual)
 14297  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
 14298  		v0.AddArg2(x, y)
 14299  		v.AddArg(v0)
 14300  		return true
 14301  	}
 14302  	// match: (NotEqual (CMPW x z:(NEG y)))
 14303  	// cond: z.Uses == 1
 14304  	// result: (NotEqual (CMNW x y))
 14305  	for {
 14306  		if v_0.Op != OpARM64CMPW {
 14307  			break
 14308  		}
 14309  		_ = v_0.Args[1]
 14310  		x := v_0.Args[0]
 14311  		z := v_0.Args[1]
 14312  		if z.Op != OpARM64NEG {
 14313  			break
 14314  		}
 14315  		y := z.Args[0]
 14316  		if !(z.Uses == 1) {
 14317  			break
 14318  		}
 14319  		v.reset(OpARM64NotEqual)
 14320  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
 14321  		v0.AddArg2(x, y)
 14322  		v.AddArg(v0)
 14323  		return true
 14324  	}
 14325  	// match: (NotEqual (CMPconst [0] x:(ADDconst [c] y)))
 14326  	// cond: x.Uses == 1
 14327  	// result: (NotEqual (CMNconst [c] y))
 14328  	for {
 14329  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 14330  			break
 14331  		}
 14332  		x := v_0.Args[0]
 14333  		if x.Op != OpARM64ADDconst {
 14334  			break
 14335  		}
 14336  		c := auxIntToInt64(x.AuxInt)
 14337  		y := x.Args[0]
 14338  		if !(x.Uses == 1) {
 14339  			break
 14340  		}
 14341  		v.reset(OpARM64NotEqual)
 14342  		v0 := b.NewValue0(v.Pos, OpARM64CMNconst, types.TypeFlags)
 14343  		v0.AuxInt = int64ToAuxInt(c)
 14344  		v0.AddArg(y)
 14345  		v.AddArg(v0)
 14346  		return true
 14347  	}
 14348  	// match: (NotEqual (CMPWconst [0] x:(ADDconst [c] y)))
 14349  	// cond: x.Uses == 1
 14350  	// result: (NotEqual (CMNWconst [int32(c)] y))
 14351  	for {
 14352  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 14353  			break
 14354  		}
 14355  		x := v_0.Args[0]
 14356  		if x.Op != OpARM64ADDconst {
 14357  			break
 14358  		}
 14359  		c := auxIntToInt64(x.AuxInt)
 14360  		y := x.Args[0]
 14361  		if !(x.Uses == 1) {
 14362  			break
 14363  		}
 14364  		v.reset(OpARM64NotEqual)
 14365  		v0 := b.NewValue0(v.Pos, OpARM64CMNWconst, types.TypeFlags)
 14366  		v0.AuxInt = int32ToAuxInt(int32(c))
 14367  		v0.AddArg(y)
 14368  		v.AddArg(v0)
 14369  		return true
 14370  	}
 14371  	// match: (NotEqual (CMPconst [0] z:(ADD x y)))
 14372  	// cond: z.Uses == 1
 14373  	// result: (NotEqual (CMN x y))
 14374  	for {
 14375  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 14376  			break
 14377  		}
 14378  		z := v_0.Args[0]
 14379  		if z.Op != OpARM64ADD {
 14380  			break
 14381  		}
 14382  		y := z.Args[1]
 14383  		x := z.Args[0]
 14384  		if !(z.Uses == 1) {
 14385  			break
 14386  		}
 14387  		v.reset(OpARM64NotEqual)
 14388  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
 14389  		v0.AddArg2(x, y)
 14390  		v.AddArg(v0)
 14391  		return true
 14392  	}
 14393  	// match: (NotEqual (CMPWconst [0] z:(ADD x y)))
 14394  	// cond: z.Uses == 1
 14395  	// result: (NotEqual (CMNW x y))
 14396  	for {
 14397  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 14398  			break
 14399  		}
 14400  		z := v_0.Args[0]
 14401  		if z.Op != OpARM64ADD {
 14402  			break
 14403  		}
 14404  		y := z.Args[1]
 14405  		x := z.Args[0]
 14406  		if !(z.Uses == 1) {
 14407  			break
 14408  		}
 14409  		v.reset(OpARM64NotEqual)
 14410  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
 14411  		v0.AddArg2(x, y)
 14412  		v.AddArg(v0)
 14413  		return true
 14414  	}
 14415  	// match: (NotEqual (CMPconst [0] z:(MADD a x y)))
 14416  	// cond: z.Uses == 1
 14417  	// result: (NotEqual (CMN a (MUL <x.Type> x y)))
 14418  	for {
 14419  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 14420  			break
 14421  		}
 14422  		z := v_0.Args[0]
 14423  		if z.Op != OpARM64MADD {
 14424  			break
 14425  		}
 14426  		y := z.Args[2]
 14427  		a := z.Args[0]
 14428  		x := z.Args[1]
 14429  		if !(z.Uses == 1) {
 14430  			break
 14431  		}
 14432  		v.reset(OpARM64NotEqual)
 14433  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
 14434  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
 14435  		v1.AddArg2(x, y)
 14436  		v0.AddArg2(a, v1)
 14437  		v.AddArg(v0)
 14438  		return true
 14439  	}
 14440  	// match: (NotEqual (CMPconst [0] z:(MSUB a x y)))
 14441  	// cond: z.Uses == 1
 14442  	// result: (NotEqual (CMP a (MUL <x.Type> x y)))
 14443  	for {
 14444  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 14445  			break
 14446  		}
 14447  		z := v_0.Args[0]
 14448  		if z.Op != OpARM64MSUB {
 14449  			break
 14450  		}
 14451  		y := z.Args[2]
 14452  		a := z.Args[0]
 14453  		x := z.Args[1]
 14454  		if !(z.Uses == 1) {
 14455  			break
 14456  		}
 14457  		v.reset(OpARM64NotEqual)
 14458  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 14459  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
 14460  		v1.AddArg2(x, y)
 14461  		v0.AddArg2(a, v1)
 14462  		v.AddArg(v0)
 14463  		return true
 14464  	}
 14465  	// match: (NotEqual (CMPWconst [0] z:(MADDW a x y)))
 14466  	// cond: z.Uses == 1
 14467  	// result: (NotEqual (CMNW a (MULW <x.Type> x y)))
 14468  	for {
 14469  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 14470  			break
 14471  		}
 14472  		z := v_0.Args[0]
 14473  		if z.Op != OpARM64MADDW {
 14474  			break
 14475  		}
 14476  		y := z.Args[2]
 14477  		a := z.Args[0]
 14478  		x := z.Args[1]
 14479  		if !(z.Uses == 1) {
 14480  			break
 14481  		}
 14482  		v.reset(OpARM64NotEqual)
 14483  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
 14484  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
 14485  		v1.AddArg2(x, y)
 14486  		v0.AddArg2(a, v1)
 14487  		v.AddArg(v0)
 14488  		return true
 14489  	}
 14490  	// match: (NotEqual (CMPWconst [0] z:(MSUBW a x y)))
 14491  	// cond: z.Uses == 1
 14492  	// result: (NotEqual (CMPW a (MULW <x.Type> x y)))
 14493  	for {
 14494  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 14495  			break
 14496  		}
 14497  		z := v_0.Args[0]
 14498  		if z.Op != OpARM64MSUBW {
 14499  			break
 14500  		}
 14501  		y := z.Args[2]
 14502  		a := z.Args[0]
 14503  		x := z.Args[1]
 14504  		if !(z.Uses == 1) {
 14505  			break
 14506  		}
 14507  		v.reset(OpARM64NotEqual)
 14508  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 14509  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
 14510  		v1.AddArg2(x, y)
 14511  		v0.AddArg2(a, v1)
 14512  		v.AddArg(v0)
 14513  		return true
 14514  	}
 14515  	// match: (NotEqual (FlagConstant [fc]))
 14516  	// result: (MOVDconst [b2i(fc.ne())])
 14517  	for {
 14518  		if v_0.Op != OpARM64FlagConstant {
 14519  			break
 14520  		}
 14521  		fc := auxIntToFlagConstant(v_0.AuxInt)
 14522  		v.reset(OpARM64MOVDconst)
 14523  		v.AuxInt = int64ToAuxInt(b2i(fc.ne()))
 14524  		return true
 14525  	}
 14526  	// match: (NotEqual (InvertFlags x))
 14527  	// result: (NotEqual x)
 14528  	for {
 14529  		if v_0.Op != OpARM64InvertFlags {
 14530  			break
 14531  		}
 14532  		x := v_0.Args[0]
 14533  		v.reset(OpARM64NotEqual)
 14534  		v.AddArg(x)
 14535  		return true
 14536  	}
 14537  	return false
 14538  }
 14539  func rewriteValueARM64_OpARM64OR(v *Value) bool {
 14540  	v_1 := v.Args[1]
 14541  	v_0 := v.Args[0]
 14542  	// match: (OR x (MOVDconst [c]))
 14543  	// result: (ORconst [c] x)
 14544  	for {
 14545  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14546  			x := v_0
 14547  			if v_1.Op != OpARM64MOVDconst {
 14548  				continue
 14549  			}
 14550  			c := auxIntToInt64(v_1.AuxInt)
 14551  			v.reset(OpARM64ORconst)
 14552  			v.AuxInt = int64ToAuxInt(c)
 14553  			v.AddArg(x)
 14554  			return true
 14555  		}
 14556  		break
 14557  	}
 14558  	// match: (OR x x)
 14559  	// result: x
 14560  	for {
 14561  		x := v_0
 14562  		if x != v_1 {
 14563  			break
 14564  		}
 14565  		v.copyOf(x)
 14566  		return true
 14567  	}
 14568  	// match: (OR x (MVN y))
 14569  	// result: (ORN x y)
 14570  	for {
 14571  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14572  			x := v_0
 14573  			if v_1.Op != OpARM64MVN {
 14574  				continue
 14575  			}
 14576  			y := v_1.Args[0]
 14577  			v.reset(OpARM64ORN)
 14578  			v.AddArg2(x, y)
 14579  			return true
 14580  		}
 14581  		break
 14582  	}
 14583  	// match: (OR x0 x1:(SLLconst [c] y))
 14584  	// cond: clobberIfDead(x1)
 14585  	// result: (ORshiftLL x0 y [c])
 14586  	for {
 14587  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14588  			x0 := v_0
 14589  			x1 := v_1
 14590  			if x1.Op != OpARM64SLLconst {
 14591  				continue
 14592  			}
 14593  			c := auxIntToInt64(x1.AuxInt)
 14594  			y := x1.Args[0]
 14595  			if !(clobberIfDead(x1)) {
 14596  				continue
 14597  			}
 14598  			v.reset(OpARM64ORshiftLL)
 14599  			v.AuxInt = int64ToAuxInt(c)
 14600  			v.AddArg2(x0, y)
 14601  			return true
 14602  		}
 14603  		break
 14604  	}
 14605  	// match: (OR x0 x1:(SRLconst [c] y))
 14606  	// cond: clobberIfDead(x1)
 14607  	// result: (ORshiftRL x0 y [c])
 14608  	for {
 14609  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14610  			x0 := v_0
 14611  			x1 := v_1
 14612  			if x1.Op != OpARM64SRLconst {
 14613  				continue
 14614  			}
 14615  			c := auxIntToInt64(x1.AuxInt)
 14616  			y := x1.Args[0]
 14617  			if !(clobberIfDead(x1)) {
 14618  				continue
 14619  			}
 14620  			v.reset(OpARM64ORshiftRL)
 14621  			v.AuxInt = int64ToAuxInt(c)
 14622  			v.AddArg2(x0, y)
 14623  			return true
 14624  		}
 14625  		break
 14626  	}
 14627  	// match: (OR x0 x1:(SRAconst [c] y))
 14628  	// cond: clobberIfDead(x1)
 14629  	// result: (ORshiftRA x0 y [c])
 14630  	for {
 14631  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14632  			x0 := v_0
 14633  			x1 := v_1
 14634  			if x1.Op != OpARM64SRAconst {
 14635  				continue
 14636  			}
 14637  			c := auxIntToInt64(x1.AuxInt)
 14638  			y := x1.Args[0]
 14639  			if !(clobberIfDead(x1)) {
 14640  				continue
 14641  			}
 14642  			v.reset(OpARM64ORshiftRA)
 14643  			v.AuxInt = int64ToAuxInt(c)
 14644  			v.AddArg2(x0, y)
 14645  			return true
 14646  		}
 14647  		break
 14648  	}
 14649  	// match: (OR x0 x1:(RORconst [c] y))
 14650  	// cond: clobberIfDead(x1)
 14651  	// result: (ORshiftRO x0 y [c])
 14652  	for {
 14653  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14654  			x0 := v_0
 14655  			x1 := v_1
 14656  			if x1.Op != OpARM64RORconst {
 14657  				continue
 14658  			}
 14659  			c := auxIntToInt64(x1.AuxInt)
 14660  			y := x1.Args[0]
 14661  			if !(clobberIfDead(x1)) {
 14662  				continue
 14663  			}
 14664  			v.reset(OpARM64ORshiftRO)
 14665  			v.AuxInt = int64ToAuxInt(c)
 14666  			v.AddArg2(x0, y)
 14667  			return true
 14668  		}
 14669  		break
 14670  	}
 14671  	// match: (OR (UBFIZ [bfc] x) (ANDconst [ac] y))
 14672  	// cond: ac == ^((1<<uint(bfc.getARM64BFwidth())-1) << uint(bfc.getARM64BFlsb()))
 14673  	// result: (BFI [bfc] y x)
 14674  	for {
 14675  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14676  			if v_0.Op != OpARM64UBFIZ {
 14677  				continue
 14678  			}
 14679  			bfc := auxIntToArm64BitField(v_0.AuxInt)
 14680  			x := v_0.Args[0]
 14681  			if v_1.Op != OpARM64ANDconst {
 14682  				continue
 14683  			}
 14684  			ac := auxIntToInt64(v_1.AuxInt)
 14685  			y := v_1.Args[0]
 14686  			if !(ac == ^((1<<uint(bfc.getARM64BFwidth()) - 1) << uint(bfc.getARM64BFlsb()))) {
 14687  				continue
 14688  			}
 14689  			v.reset(OpARM64BFI)
 14690  			v.AuxInt = arm64BitFieldToAuxInt(bfc)
 14691  			v.AddArg2(y, x)
 14692  			return true
 14693  		}
 14694  		break
 14695  	}
 14696  	// match: (OR (UBFX [bfc] x) (ANDconst [ac] y))
 14697  	// cond: ac == ^(1<<uint(bfc.getARM64BFwidth())-1)
 14698  	// result: (BFXIL [bfc] y x)
 14699  	for {
 14700  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14701  			if v_0.Op != OpARM64UBFX {
 14702  				continue
 14703  			}
 14704  			bfc := auxIntToArm64BitField(v_0.AuxInt)
 14705  			x := v_0.Args[0]
 14706  			if v_1.Op != OpARM64ANDconst {
 14707  				continue
 14708  			}
 14709  			ac := auxIntToInt64(v_1.AuxInt)
 14710  			y := v_1.Args[0]
 14711  			if !(ac == ^(1<<uint(bfc.getARM64BFwidth()) - 1)) {
 14712  				continue
 14713  			}
 14714  			v.reset(OpARM64BFXIL)
 14715  			v.AuxInt = arm64BitFieldToAuxInt(bfc)
 14716  			v.AddArg2(y, x)
 14717  			return true
 14718  		}
 14719  		break
 14720  	}
 14721  	return false
 14722  }
 14723  func rewriteValueARM64_OpARM64ORN(v *Value) bool {
 14724  	v_1 := v.Args[1]
 14725  	v_0 := v.Args[0]
 14726  	// match: (ORN x (MOVDconst [c]))
 14727  	// result: (ORconst [^c] x)
 14728  	for {
 14729  		x := v_0
 14730  		if v_1.Op != OpARM64MOVDconst {
 14731  			break
 14732  		}
 14733  		c := auxIntToInt64(v_1.AuxInt)
 14734  		v.reset(OpARM64ORconst)
 14735  		v.AuxInt = int64ToAuxInt(^c)
 14736  		v.AddArg(x)
 14737  		return true
 14738  	}
 14739  	// match: (ORN x x)
 14740  	// result: (MOVDconst [-1])
 14741  	for {
 14742  		x := v_0
 14743  		if x != v_1 {
 14744  			break
 14745  		}
 14746  		v.reset(OpARM64MOVDconst)
 14747  		v.AuxInt = int64ToAuxInt(-1)
 14748  		return true
 14749  	}
 14750  	// match: (ORN x0 x1:(SLLconst [c] y))
 14751  	// cond: clobberIfDead(x1)
 14752  	// result: (ORNshiftLL x0 y [c])
 14753  	for {
 14754  		x0 := v_0
 14755  		x1 := v_1
 14756  		if x1.Op != OpARM64SLLconst {
 14757  			break
 14758  		}
 14759  		c := auxIntToInt64(x1.AuxInt)
 14760  		y := x1.Args[0]
 14761  		if !(clobberIfDead(x1)) {
 14762  			break
 14763  		}
 14764  		v.reset(OpARM64ORNshiftLL)
 14765  		v.AuxInt = int64ToAuxInt(c)
 14766  		v.AddArg2(x0, y)
 14767  		return true
 14768  	}
 14769  	// match: (ORN x0 x1:(SRLconst [c] y))
 14770  	// cond: clobberIfDead(x1)
 14771  	// result: (ORNshiftRL x0 y [c])
 14772  	for {
 14773  		x0 := v_0
 14774  		x1 := v_1
 14775  		if x1.Op != OpARM64SRLconst {
 14776  			break
 14777  		}
 14778  		c := auxIntToInt64(x1.AuxInt)
 14779  		y := x1.Args[0]
 14780  		if !(clobberIfDead(x1)) {
 14781  			break
 14782  		}
 14783  		v.reset(OpARM64ORNshiftRL)
 14784  		v.AuxInt = int64ToAuxInt(c)
 14785  		v.AddArg2(x0, y)
 14786  		return true
 14787  	}
 14788  	// match: (ORN x0 x1:(SRAconst [c] y))
 14789  	// cond: clobberIfDead(x1)
 14790  	// result: (ORNshiftRA x0 y [c])
 14791  	for {
 14792  		x0 := v_0
 14793  		x1 := v_1
 14794  		if x1.Op != OpARM64SRAconst {
 14795  			break
 14796  		}
 14797  		c := auxIntToInt64(x1.AuxInt)
 14798  		y := x1.Args[0]
 14799  		if !(clobberIfDead(x1)) {
 14800  			break
 14801  		}
 14802  		v.reset(OpARM64ORNshiftRA)
 14803  		v.AuxInt = int64ToAuxInt(c)
 14804  		v.AddArg2(x0, y)
 14805  		return true
 14806  	}
 14807  	// match: (ORN x0 x1:(RORconst [c] y))
 14808  	// cond: clobberIfDead(x1)
 14809  	// result: (ORNshiftRO x0 y [c])
 14810  	for {
 14811  		x0 := v_0
 14812  		x1 := v_1
 14813  		if x1.Op != OpARM64RORconst {
 14814  			break
 14815  		}
 14816  		c := auxIntToInt64(x1.AuxInt)
 14817  		y := x1.Args[0]
 14818  		if !(clobberIfDead(x1)) {
 14819  			break
 14820  		}
 14821  		v.reset(OpARM64ORNshiftRO)
 14822  		v.AuxInt = int64ToAuxInt(c)
 14823  		v.AddArg2(x0, y)
 14824  		return true
 14825  	}
 14826  	return false
 14827  }
 14828  func rewriteValueARM64_OpARM64ORNshiftLL(v *Value) bool {
 14829  	v_1 := v.Args[1]
 14830  	v_0 := v.Args[0]
 14831  	// match: (ORNshiftLL x (MOVDconst [c]) [d])
 14832  	// result: (ORconst x [^int64(uint64(c)<<uint64(d))])
 14833  	for {
 14834  		d := auxIntToInt64(v.AuxInt)
 14835  		x := v_0
 14836  		if v_1.Op != OpARM64MOVDconst {
 14837  			break
 14838  		}
 14839  		c := auxIntToInt64(v_1.AuxInt)
 14840  		v.reset(OpARM64ORconst)
 14841  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) << uint64(d)))
 14842  		v.AddArg(x)
 14843  		return true
 14844  	}
 14845  	// match: (ORNshiftLL (SLLconst x [c]) x [c])
 14846  	// result: (MOVDconst [-1])
 14847  	for {
 14848  		c := auxIntToInt64(v.AuxInt)
 14849  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
 14850  			break
 14851  		}
 14852  		x := v_0.Args[0]
 14853  		if x != v_1 {
 14854  			break
 14855  		}
 14856  		v.reset(OpARM64MOVDconst)
 14857  		v.AuxInt = int64ToAuxInt(-1)
 14858  		return true
 14859  	}
 14860  	return false
 14861  }
 14862  func rewriteValueARM64_OpARM64ORNshiftRA(v *Value) bool {
 14863  	v_1 := v.Args[1]
 14864  	v_0 := v.Args[0]
 14865  	// match: (ORNshiftRA x (MOVDconst [c]) [d])
 14866  	// result: (ORconst x [^(c>>uint64(d))])
 14867  	for {
 14868  		d := auxIntToInt64(v.AuxInt)
 14869  		x := v_0
 14870  		if v_1.Op != OpARM64MOVDconst {
 14871  			break
 14872  		}
 14873  		c := auxIntToInt64(v_1.AuxInt)
 14874  		v.reset(OpARM64ORconst)
 14875  		v.AuxInt = int64ToAuxInt(^(c >> uint64(d)))
 14876  		v.AddArg(x)
 14877  		return true
 14878  	}
 14879  	// match: (ORNshiftRA (SRAconst x [c]) x [c])
 14880  	// result: (MOVDconst [-1])
 14881  	for {
 14882  		c := auxIntToInt64(v.AuxInt)
 14883  		if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c {
 14884  			break
 14885  		}
 14886  		x := v_0.Args[0]
 14887  		if x != v_1 {
 14888  			break
 14889  		}
 14890  		v.reset(OpARM64MOVDconst)
 14891  		v.AuxInt = int64ToAuxInt(-1)
 14892  		return true
 14893  	}
 14894  	return false
 14895  }
 14896  func rewriteValueARM64_OpARM64ORNshiftRL(v *Value) bool {
 14897  	v_1 := v.Args[1]
 14898  	v_0 := v.Args[0]
 14899  	// match: (ORNshiftRL x (MOVDconst [c]) [d])
 14900  	// result: (ORconst x [^int64(uint64(c)>>uint64(d))])
 14901  	for {
 14902  		d := auxIntToInt64(v.AuxInt)
 14903  		x := v_0
 14904  		if v_1.Op != OpARM64MOVDconst {
 14905  			break
 14906  		}
 14907  		c := auxIntToInt64(v_1.AuxInt)
 14908  		v.reset(OpARM64ORconst)
 14909  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) >> uint64(d)))
 14910  		v.AddArg(x)
 14911  		return true
 14912  	}
 14913  	// match: (ORNshiftRL (SRLconst x [c]) x [c])
 14914  	// result: (MOVDconst [-1])
 14915  	for {
 14916  		c := auxIntToInt64(v.AuxInt)
 14917  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
 14918  			break
 14919  		}
 14920  		x := v_0.Args[0]
 14921  		if x != v_1 {
 14922  			break
 14923  		}
 14924  		v.reset(OpARM64MOVDconst)
 14925  		v.AuxInt = int64ToAuxInt(-1)
 14926  		return true
 14927  	}
 14928  	return false
 14929  }
 14930  func rewriteValueARM64_OpARM64ORNshiftRO(v *Value) bool {
 14931  	v_1 := v.Args[1]
 14932  	v_0 := v.Args[0]
 14933  	// match: (ORNshiftRO x (MOVDconst [c]) [d])
 14934  	// result: (ORconst x [^rotateRight64(c, d)])
 14935  	for {
 14936  		d := auxIntToInt64(v.AuxInt)
 14937  		x := v_0
 14938  		if v_1.Op != OpARM64MOVDconst {
 14939  			break
 14940  		}
 14941  		c := auxIntToInt64(v_1.AuxInt)
 14942  		v.reset(OpARM64ORconst)
 14943  		v.AuxInt = int64ToAuxInt(^rotateRight64(c, d))
 14944  		v.AddArg(x)
 14945  		return true
 14946  	}
 14947  	// match: (ORNshiftRO (RORconst x [c]) x [c])
 14948  	// result: (MOVDconst [-1])
 14949  	for {
 14950  		c := auxIntToInt64(v.AuxInt)
 14951  		if v_0.Op != OpARM64RORconst || auxIntToInt64(v_0.AuxInt) != c {
 14952  			break
 14953  		}
 14954  		x := v_0.Args[0]
 14955  		if x != v_1 {
 14956  			break
 14957  		}
 14958  		v.reset(OpARM64MOVDconst)
 14959  		v.AuxInt = int64ToAuxInt(-1)
 14960  		return true
 14961  	}
 14962  	return false
 14963  }
 14964  func rewriteValueARM64_OpARM64ORconst(v *Value) bool {
 14965  	v_0 := v.Args[0]
 14966  	// match: (ORconst [0] x)
 14967  	// result: x
 14968  	for {
 14969  		if auxIntToInt64(v.AuxInt) != 0 {
 14970  			break
 14971  		}
 14972  		x := v_0
 14973  		v.copyOf(x)
 14974  		return true
 14975  	}
 14976  	// match: (ORconst [-1] _)
 14977  	// result: (MOVDconst [-1])
 14978  	for {
 14979  		if auxIntToInt64(v.AuxInt) != -1 {
 14980  			break
 14981  		}
 14982  		v.reset(OpARM64MOVDconst)
 14983  		v.AuxInt = int64ToAuxInt(-1)
 14984  		return true
 14985  	}
 14986  	// match: (ORconst [c] (MOVDconst [d]))
 14987  	// result: (MOVDconst [c|d])
 14988  	for {
 14989  		c := auxIntToInt64(v.AuxInt)
 14990  		if v_0.Op != OpARM64MOVDconst {
 14991  			break
 14992  		}
 14993  		d := auxIntToInt64(v_0.AuxInt)
 14994  		v.reset(OpARM64MOVDconst)
 14995  		v.AuxInt = int64ToAuxInt(c | d)
 14996  		return true
 14997  	}
 14998  	// match: (ORconst [c] (ORconst [d] x))
 14999  	// result: (ORconst [c|d] x)
 15000  	for {
 15001  		c := auxIntToInt64(v.AuxInt)
 15002  		if v_0.Op != OpARM64ORconst {
 15003  			break
 15004  		}
 15005  		d := auxIntToInt64(v_0.AuxInt)
 15006  		x := v_0.Args[0]
 15007  		v.reset(OpARM64ORconst)
 15008  		v.AuxInt = int64ToAuxInt(c | d)
 15009  		v.AddArg(x)
 15010  		return true
 15011  	}
 15012  	// match: (ORconst [c1] (ANDconst [c2] x))
 15013  	// cond: c2|c1 == ^0
 15014  	// result: (ORconst [c1] x)
 15015  	for {
 15016  		c1 := auxIntToInt64(v.AuxInt)
 15017  		if v_0.Op != OpARM64ANDconst {
 15018  			break
 15019  		}
 15020  		c2 := auxIntToInt64(v_0.AuxInt)
 15021  		x := v_0.Args[0]
 15022  		if !(c2|c1 == ^0) {
 15023  			break
 15024  		}
 15025  		v.reset(OpARM64ORconst)
 15026  		v.AuxInt = int64ToAuxInt(c1)
 15027  		v.AddArg(x)
 15028  		return true
 15029  	}
 15030  	return false
 15031  }
 15032  func rewriteValueARM64_OpARM64ORshiftLL(v *Value) bool {
 15033  	v_1 := v.Args[1]
 15034  	v_0 := v.Args[0]
 15035  	b := v.Block
 15036  	typ := &b.Func.Config.Types
 15037  	// match: (ORshiftLL (MOVDconst [c]) x [d])
 15038  	// result: (ORconst [c] (SLLconst <x.Type> x [d]))
 15039  	for {
 15040  		d := auxIntToInt64(v.AuxInt)
 15041  		if v_0.Op != OpARM64MOVDconst {
 15042  			break
 15043  		}
 15044  		c := auxIntToInt64(v_0.AuxInt)
 15045  		x := v_1
 15046  		v.reset(OpARM64ORconst)
 15047  		v.AuxInt = int64ToAuxInt(c)
 15048  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 15049  		v0.AuxInt = int64ToAuxInt(d)
 15050  		v0.AddArg(x)
 15051  		v.AddArg(v0)
 15052  		return true
 15053  	}
 15054  	// match: (ORshiftLL x (MOVDconst [c]) [d])
 15055  	// result: (ORconst x [int64(uint64(c)<<uint64(d))])
 15056  	for {
 15057  		d := auxIntToInt64(v.AuxInt)
 15058  		x := v_0
 15059  		if v_1.Op != OpARM64MOVDconst {
 15060  			break
 15061  		}
 15062  		c := auxIntToInt64(v_1.AuxInt)
 15063  		v.reset(OpARM64ORconst)
 15064  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
 15065  		v.AddArg(x)
 15066  		return true
 15067  	}
 15068  	// match: (ORshiftLL y:(SLLconst x [c]) x [c])
 15069  	// result: y
 15070  	for {
 15071  		c := auxIntToInt64(v.AuxInt)
 15072  		y := v_0
 15073  		if y.Op != OpARM64SLLconst || auxIntToInt64(y.AuxInt) != c {
 15074  			break
 15075  		}
 15076  		x := y.Args[0]
 15077  		if x != v_1 {
 15078  			break
 15079  		}
 15080  		v.copyOf(y)
 15081  		return true
 15082  	}
 15083  	// match: (ORshiftLL <typ.UInt16> [8] (UBFX <typ.UInt16> [armBFAuxInt(8, 8)] x) x)
 15084  	// result: (REV16W x)
 15085  	for {
 15086  		if v.Type != typ.UInt16 || auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || v_0.Type != typ.UInt16 || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 8) {
 15087  			break
 15088  		}
 15089  		x := v_0.Args[0]
 15090  		if x != v_1 {
 15091  			break
 15092  		}
 15093  		v.reset(OpARM64REV16W)
 15094  		v.AddArg(x)
 15095  		return true
 15096  	}
 15097  	// match: (ORshiftLL [8] (UBFX [armBFAuxInt(8, 24)] (ANDconst [c1] x)) (ANDconst [c2] x))
 15098  	// cond: uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff
 15099  	// result: (REV16W x)
 15100  	for {
 15101  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 24) {
 15102  			break
 15103  		}
 15104  		v_0_0 := v_0.Args[0]
 15105  		if v_0_0.Op != OpARM64ANDconst {
 15106  			break
 15107  		}
 15108  		c1 := auxIntToInt64(v_0_0.AuxInt)
 15109  		x := v_0_0.Args[0]
 15110  		if v_1.Op != OpARM64ANDconst {
 15111  			break
 15112  		}
 15113  		c2 := auxIntToInt64(v_1.AuxInt)
 15114  		if x != v_1.Args[0] || !(uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff) {
 15115  			break
 15116  		}
 15117  		v.reset(OpARM64REV16W)
 15118  		v.AddArg(x)
 15119  		return true
 15120  	}
 15121  	// match: (ORshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
 15122  	// cond: (uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff)
 15123  	// result: (REV16 x)
 15124  	for {
 15125  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
 15126  			break
 15127  		}
 15128  		v_0_0 := v_0.Args[0]
 15129  		if v_0_0.Op != OpARM64ANDconst {
 15130  			break
 15131  		}
 15132  		c1 := auxIntToInt64(v_0_0.AuxInt)
 15133  		x := v_0_0.Args[0]
 15134  		if v_1.Op != OpARM64ANDconst {
 15135  			break
 15136  		}
 15137  		c2 := auxIntToInt64(v_1.AuxInt)
 15138  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff) {
 15139  			break
 15140  		}
 15141  		v.reset(OpARM64REV16)
 15142  		v.AddArg(x)
 15143  		return true
 15144  	}
 15145  	// match: (ORshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
 15146  	// cond: (uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff)
 15147  	// result: (REV16 (ANDconst <x.Type> [0xffffffff] x))
 15148  	for {
 15149  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
 15150  			break
 15151  		}
 15152  		v_0_0 := v_0.Args[0]
 15153  		if v_0_0.Op != OpARM64ANDconst {
 15154  			break
 15155  		}
 15156  		c1 := auxIntToInt64(v_0_0.AuxInt)
 15157  		x := v_0_0.Args[0]
 15158  		if v_1.Op != OpARM64ANDconst {
 15159  			break
 15160  		}
 15161  		c2 := auxIntToInt64(v_1.AuxInt)
 15162  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff) {
 15163  			break
 15164  		}
 15165  		v.reset(OpARM64REV16)
 15166  		v0 := b.NewValue0(v.Pos, OpARM64ANDconst, x.Type)
 15167  		v0.AuxInt = int64ToAuxInt(0xffffffff)
 15168  		v0.AddArg(x)
 15169  		v.AddArg(v0)
 15170  		return true
 15171  	}
 15172  	// match: ( ORshiftLL [c] (SRLconst x [64-c]) x2)
 15173  	// result: (EXTRconst [64-c] x2 x)
 15174  	for {
 15175  		c := auxIntToInt64(v.AuxInt)
 15176  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 64-c {
 15177  			break
 15178  		}
 15179  		x := v_0.Args[0]
 15180  		x2 := v_1
 15181  		v.reset(OpARM64EXTRconst)
 15182  		v.AuxInt = int64ToAuxInt(64 - c)
 15183  		v.AddArg2(x2, x)
 15184  		return true
 15185  	}
 15186  	// match: ( ORshiftLL <t> [c] (UBFX [bfc] x) x2)
 15187  	// cond: c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)
 15188  	// result: (EXTRWconst [32-c] x2 x)
 15189  	for {
 15190  		t := v.Type
 15191  		c := auxIntToInt64(v.AuxInt)
 15192  		if v_0.Op != OpARM64UBFX {
 15193  			break
 15194  		}
 15195  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 15196  		x := v_0.Args[0]
 15197  		x2 := v_1
 15198  		if !(c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)) {
 15199  			break
 15200  		}
 15201  		v.reset(OpARM64EXTRWconst)
 15202  		v.AuxInt = int64ToAuxInt(32 - c)
 15203  		v.AddArg2(x2, x)
 15204  		return true
 15205  	}
 15206  	// match: (ORshiftLL [sc] (UBFX [bfc] x) (SRLconst [sc] y))
 15207  	// cond: sc == bfc.getARM64BFwidth()
 15208  	// result: (BFXIL [bfc] y x)
 15209  	for {
 15210  		sc := auxIntToInt64(v.AuxInt)
 15211  		if v_0.Op != OpARM64UBFX {
 15212  			break
 15213  		}
 15214  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 15215  		x := v_0.Args[0]
 15216  		if v_1.Op != OpARM64SRLconst || auxIntToInt64(v_1.AuxInt) != sc {
 15217  			break
 15218  		}
 15219  		y := v_1.Args[0]
 15220  		if !(sc == bfc.getARM64BFwidth()) {
 15221  			break
 15222  		}
 15223  		v.reset(OpARM64BFXIL)
 15224  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 15225  		v.AddArg2(y, x)
 15226  		return true
 15227  	}
 15228  	return false
 15229  }
 15230  func rewriteValueARM64_OpARM64ORshiftRA(v *Value) bool {
 15231  	v_1 := v.Args[1]
 15232  	v_0 := v.Args[0]
 15233  	b := v.Block
 15234  	// match: (ORshiftRA (MOVDconst [c]) x [d])
 15235  	// result: (ORconst [c] (SRAconst <x.Type> x [d]))
 15236  	for {
 15237  		d := auxIntToInt64(v.AuxInt)
 15238  		if v_0.Op != OpARM64MOVDconst {
 15239  			break
 15240  		}
 15241  		c := auxIntToInt64(v_0.AuxInt)
 15242  		x := v_1
 15243  		v.reset(OpARM64ORconst)
 15244  		v.AuxInt = int64ToAuxInt(c)
 15245  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
 15246  		v0.AuxInt = int64ToAuxInt(d)
 15247  		v0.AddArg(x)
 15248  		v.AddArg(v0)
 15249  		return true
 15250  	}
 15251  	// match: (ORshiftRA x (MOVDconst [c]) [d])
 15252  	// result: (ORconst x [c>>uint64(d)])
 15253  	for {
 15254  		d := auxIntToInt64(v.AuxInt)
 15255  		x := v_0
 15256  		if v_1.Op != OpARM64MOVDconst {
 15257  			break
 15258  		}
 15259  		c := auxIntToInt64(v_1.AuxInt)
 15260  		v.reset(OpARM64ORconst)
 15261  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
 15262  		v.AddArg(x)
 15263  		return true
 15264  	}
 15265  	// match: (ORshiftRA y:(SRAconst x [c]) x [c])
 15266  	// result: y
 15267  	for {
 15268  		c := auxIntToInt64(v.AuxInt)
 15269  		y := v_0
 15270  		if y.Op != OpARM64SRAconst || auxIntToInt64(y.AuxInt) != c {
 15271  			break
 15272  		}
 15273  		x := y.Args[0]
 15274  		if x != v_1 {
 15275  			break
 15276  		}
 15277  		v.copyOf(y)
 15278  		return true
 15279  	}
 15280  	return false
 15281  }
 15282  func rewriteValueARM64_OpARM64ORshiftRL(v *Value) bool {
 15283  	v_1 := v.Args[1]
 15284  	v_0 := v.Args[0]
 15285  	b := v.Block
 15286  	// match: (ORshiftRL (MOVDconst [c]) x [d])
 15287  	// result: (ORconst [c] (SRLconst <x.Type> x [d]))
 15288  	for {
 15289  		d := auxIntToInt64(v.AuxInt)
 15290  		if v_0.Op != OpARM64MOVDconst {
 15291  			break
 15292  		}
 15293  		c := auxIntToInt64(v_0.AuxInt)
 15294  		x := v_1
 15295  		v.reset(OpARM64ORconst)
 15296  		v.AuxInt = int64ToAuxInt(c)
 15297  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
 15298  		v0.AuxInt = int64ToAuxInt(d)
 15299  		v0.AddArg(x)
 15300  		v.AddArg(v0)
 15301  		return true
 15302  	}
 15303  	// match: (ORshiftRL x (MOVDconst [c]) [d])
 15304  	// result: (ORconst x [int64(uint64(c)>>uint64(d))])
 15305  	for {
 15306  		d := auxIntToInt64(v.AuxInt)
 15307  		x := v_0
 15308  		if v_1.Op != OpARM64MOVDconst {
 15309  			break
 15310  		}
 15311  		c := auxIntToInt64(v_1.AuxInt)
 15312  		v.reset(OpARM64ORconst)
 15313  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
 15314  		v.AddArg(x)
 15315  		return true
 15316  	}
 15317  	// match: (ORshiftRL y:(SRLconst x [c]) x [c])
 15318  	// result: y
 15319  	for {
 15320  		c := auxIntToInt64(v.AuxInt)
 15321  		y := v_0
 15322  		if y.Op != OpARM64SRLconst || auxIntToInt64(y.AuxInt) != c {
 15323  			break
 15324  		}
 15325  		x := y.Args[0]
 15326  		if x != v_1 {
 15327  			break
 15328  		}
 15329  		v.copyOf(y)
 15330  		return true
 15331  	}
 15332  	// match: (ORshiftRL [rc] (ANDconst [ac] x) (SLLconst [lc] y))
 15333  	// cond: lc > rc && ac == ^((1<<uint(64-lc)-1) << uint64(lc-rc))
 15334  	// result: (BFI [armBFAuxInt(lc-rc, 64-lc)] x y)
 15335  	for {
 15336  		rc := auxIntToInt64(v.AuxInt)
 15337  		if v_0.Op != OpARM64ANDconst {
 15338  			break
 15339  		}
 15340  		ac := auxIntToInt64(v_0.AuxInt)
 15341  		x := v_0.Args[0]
 15342  		if v_1.Op != OpARM64SLLconst {
 15343  			break
 15344  		}
 15345  		lc := auxIntToInt64(v_1.AuxInt)
 15346  		y := v_1.Args[0]
 15347  		if !(lc > rc && ac == ^((1<<uint(64-lc)-1)<<uint64(lc-rc))) {
 15348  			break
 15349  		}
 15350  		v.reset(OpARM64BFI)
 15351  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc-rc, 64-lc))
 15352  		v.AddArg2(x, y)
 15353  		return true
 15354  	}
 15355  	// match: (ORshiftRL [rc] (ANDconst [ac] y) (SLLconst [lc] x))
 15356  	// cond: lc < rc && ac == ^((1<<uint(64-rc)-1))
 15357  	// result: (BFXIL [armBFAuxInt(rc-lc, 64-rc)] y x)
 15358  	for {
 15359  		rc := auxIntToInt64(v.AuxInt)
 15360  		if v_0.Op != OpARM64ANDconst {
 15361  			break
 15362  		}
 15363  		ac := auxIntToInt64(v_0.AuxInt)
 15364  		y := v_0.Args[0]
 15365  		if v_1.Op != OpARM64SLLconst {
 15366  			break
 15367  		}
 15368  		lc := auxIntToInt64(v_1.AuxInt)
 15369  		x := v_1.Args[0]
 15370  		if !(lc < rc && ac == ^(1<<uint(64-rc)-1)) {
 15371  			break
 15372  		}
 15373  		v.reset(OpARM64BFXIL)
 15374  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc-lc, 64-rc))
 15375  		v.AddArg2(y, x)
 15376  		return true
 15377  	}
 15378  	return false
 15379  }
 15380  func rewriteValueARM64_OpARM64ORshiftRO(v *Value) bool {
 15381  	v_1 := v.Args[1]
 15382  	v_0 := v.Args[0]
 15383  	b := v.Block
 15384  	// match: (ORshiftRO (MOVDconst [c]) x [d])
 15385  	// result: (ORconst [c] (RORconst <x.Type> x [d]))
 15386  	for {
 15387  		d := auxIntToInt64(v.AuxInt)
 15388  		if v_0.Op != OpARM64MOVDconst {
 15389  			break
 15390  		}
 15391  		c := auxIntToInt64(v_0.AuxInt)
 15392  		x := v_1
 15393  		v.reset(OpARM64ORconst)
 15394  		v.AuxInt = int64ToAuxInt(c)
 15395  		v0 := b.NewValue0(v.Pos, OpARM64RORconst, x.Type)
 15396  		v0.AuxInt = int64ToAuxInt(d)
 15397  		v0.AddArg(x)
 15398  		v.AddArg(v0)
 15399  		return true
 15400  	}
 15401  	// match: (ORshiftRO x (MOVDconst [c]) [d])
 15402  	// result: (ORconst x [rotateRight64(c, d)])
 15403  	for {
 15404  		d := auxIntToInt64(v.AuxInt)
 15405  		x := v_0
 15406  		if v_1.Op != OpARM64MOVDconst {
 15407  			break
 15408  		}
 15409  		c := auxIntToInt64(v_1.AuxInt)
 15410  		v.reset(OpARM64ORconst)
 15411  		v.AuxInt = int64ToAuxInt(rotateRight64(c, d))
 15412  		v.AddArg(x)
 15413  		return true
 15414  	}
 15415  	// match: (ORshiftRO y:(RORconst x [c]) x [c])
 15416  	// result: y
 15417  	for {
 15418  		c := auxIntToInt64(v.AuxInt)
 15419  		y := v_0
 15420  		if y.Op != OpARM64RORconst || auxIntToInt64(y.AuxInt) != c {
 15421  			break
 15422  		}
 15423  		x := y.Args[0]
 15424  		if x != v_1 {
 15425  			break
 15426  		}
 15427  		v.copyOf(y)
 15428  		return true
 15429  	}
 15430  	return false
 15431  }
 15432  func rewriteValueARM64_OpARM64REV(v *Value) bool {
 15433  	v_0 := v.Args[0]
 15434  	// match: (REV (REV p))
 15435  	// result: p
 15436  	for {
 15437  		if v_0.Op != OpARM64REV {
 15438  			break
 15439  		}
 15440  		p := v_0.Args[0]
 15441  		v.copyOf(p)
 15442  		return true
 15443  	}
 15444  	return false
 15445  }
 15446  func rewriteValueARM64_OpARM64REVW(v *Value) bool {
 15447  	v_0 := v.Args[0]
 15448  	// match: (REVW (REVW p))
 15449  	// result: p
 15450  	for {
 15451  		if v_0.Op != OpARM64REVW {
 15452  			break
 15453  		}
 15454  		p := v_0.Args[0]
 15455  		v.copyOf(p)
 15456  		return true
 15457  	}
 15458  	return false
 15459  }
 15460  func rewriteValueARM64_OpARM64ROR(v *Value) bool {
 15461  	v_1 := v.Args[1]
 15462  	v_0 := v.Args[0]
 15463  	// match: (ROR x (MOVDconst [c]))
 15464  	// result: (RORconst x [c&63])
 15465  	for {
 15466  		x := v_0
 15467  		if v_1.Op != OpARM64MOVDconst {
 15468  			break
 15469  		}
 15470  		c := auxIntToInt64(v_1.AuxInt)
 15471  		v.reset(OpARM64RORconst)
 15472  		v.AuxInt = int64ToAuxInt(c & 63)
 15473  		v.AddArg(x)
 15474  		return true
 15475  	}
 15476  	return false
 15477  }
 15478  func rewriteValueARM64_OpARM64RORW(v *Value) bool {
 15479  	v_1 := v.Args[1]
 15480  	v_0 := v.Args[0]
 15481  	// match: (RORW x (MOVDconst [c]))
 15482  	// result: (RORWconst x [c&31])
 15483  	for {
 15484  		x := v_0
 15485  		if v_1.Op != OpARM64MOVDconst {
 15486  			break
 15487  		}
 15488  		c := auxIntToInt64(v_1.AuxInt)
 15489  		v.reset(OpARM64RORWconst)
 15490  		v.AuxInt = int64ToAuxInt(c & 31)
 15491  		v.AddArg(x)
 15492  		return true
 15493  	}
 15494  	return false
 15495  }
 15496  func rewriteValueARM64_OpARM64SBCSflags(v *Value) bool {
 15497  	v_2 := v.Args[2]
 15498  	v_1 := v.Args[1]
 15499  	v_0 := v.Args[0]
 15500  	b := v.Block
 15501  	typ := &b.Func.Config.Types
 15502  	// match: (SBCSflags x y (Select1 <types.TypeFlags> (NEGSflags (NEG <typ.UInt64> (NGCzerocarry <typ.UInt64> bo)))))
 15503  	// result: (SBCSflags x y bo)
 15504  	for {
 15505  		x := v_0
 15506  		y := v_1
 15507  		if v_2.Op != OpSelect1 || v_2.Type != types.TypeFlags {
 15508  			break
 15509  		}
 15510  		v_2_0 := v_2.Args[0]
 15511  		if v_2_0.Op != OpARM64NEGSflags {
 15512  			break
 15513  		}
 15514  		v_2_0_0 := v_2_0.Args[0]
 15515  		if v_2_0_0.Op != OpARM64NEG || v_2_0_0.Type != typ.UInt64 {
 15516  			break
 15517  		}
 15518  		v_2_0_0_0 := v_2_0_0.Args[0]
 15519  		if v_2_0_0_0.Op != OpARM64NGCzerocarry || v_2_0_0_0.Type != typ.UInt64 {
 15520  			break
 15521  		}
 15522  		bo := v_2_0_0_0.Args[0]
 15523  		v.reset(OpARM64SBCSflags)
 15524  		v.AddArg3(x, y, bo)
 15525  		return true
 15526  	}
 15527  	// match: (SBCSflags x y (Select1 <types.TypeFlags> (NEGSflags (MOVDconst [0]))))
 15528  	// result: (SUBSflags x y)
 15529  	for {
 15530  		x := v_0
 15531  		y := v_1
 15532  		if v_2.Op != OpSelect1 || v_2.Type != types.TypeFlags {
 15533  			break
 15534  		}
 15535  		v_2_0 := v_2.Args[0]
 15536  		if v_2_0.Op != OpARM64NEGSflags {
 15537  			break
 15538  		}
 15539  		v_2_0_0 := v_2_0.Args[0]
 15540  		if v_2_0_0.Op != OpARM64MOVDconst || auxIntToInt64(v_2_0_0.AuxInt) != 0 {
 15541  			break
 15542  		}
 15543  		v.reset(OpARM64SUBSflags)
 15544  		v.AddArg2(x, y)
 15545  		return true
 15546  	}
 15547  	return false
 15548  }
 15549  func rewriteValueARM64_OpARM64SLL(v *Value) bool {
 15550  	v_1 := v.Args[1]
 15551  	v_0 := v.Args[0]
 15552  	// match: (SLL x (MOVDconst [c]))
 15553  	// result: (SLLconst x [c&63])
 15554  	for {
 15555  		x := v_0
 15556  		if v_1.Op != OpARM64MOVDconst {
 15557  			break
 15558  		}
 15559  		c := auxIntToInt64(v_1.AuxInt)
 15560  		v.reset(OpARM64SLLconst)
 15561  		v.AuxInt = int64ToAuxInt(c & 63)
 15562  		v.AddArg(x)
 15563  		return true
 15564  	}
 15565  	// match: (SLL x (ANDconst [63] y))
 15566  	// result: (SLL x y)
 15567  	for {
 15568  		x := v_0
 15569  		if v_1.Op != OpARM64ANDconst || auxIntToInt64(v_1.AuxInt) != 63 {
 15570  			break
 15571  		}
 15572  		y := v_1.Args[0]
 15573  		v.reset(OpARM64SLL)
 15574  		v.AddArg2(x, y)
 15575  		return true
 15576  	}
 15577  	return false
 15578  }
 15579  func rewriteValueARM64_OpARM64SLLconst(v *Value) bool {
 15580  	v_0 := v.Args[0]
 15581  	// match: (SLLconst [c] (MOVDconst [d]))
 15582  	// result: (MOVDconst [d<<uint64(c)])
 15583  	for {
 15584  		c := auxIntToInt64(v.AuxInt)
 15585  		if v_0.Op != OpARM64MOVDconst {
 15586  			break
 15587  		}
 15588  		d := auxIntToInt64(v_0.AuxInt)
 15589  		v.reset(OpARM64MOVDconst)
 15590  		v.AuxInt = int64ToAuxInt(d << uint64(c))
 15591  		return true
 15592  	}
 15593  	// match: (SLLconst [c] (SRLconst [c] x))
 15594  	// cond: 0 < c && c < 64
 15595  	// result: (ANDconst [^(1<<uint(c)-1)] x)
 15596  	for {
 15597  		c := auxIntToInt64(v.AuxInt)
 15598  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
 15599  			break
 15600  		}
 15601  		x := v_0.Args[0]
 15602  		if !(0 < c && c < 64) {
 15603  			break
 15604  		}
 15605  		v.reset(OpARM64ANDconst)
 15606  		v.AuxInt = int64ToAuxInt(^(1<<uint(c) - 1))
 15607  		v.AddArg(x)
 15608  		return true
 15609  	}
 15610  	// match: (SLLconst [lc] (MOVWreg x))
 15611  	// result: (SBFIZ [armBFAuxInt(lc, min(32, 64-lc))] x)
 15612  	for {
 15613  		lc := auxIntToInt64(v.AuxInt)
 15614  		if v_0.Op != OpARM64MOVWreg {
 15615  			break
 15616  		}
 15617  		x := v_0.Args[0]
 15618  		v.reset(OpARM64SBFIZ)
 15619  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(32, 64-lc)))
 15620  		v.AddArg(x)
 15621  		return true
 15622  	}
 15623  	// match: (SLLconst [lc] (MOVHreg x))
 15624  	// result: (SBFIZ [armBFAuxInt(lc, min(16, 64-lc))] x)
 15625  	for {
 15626  		lc := auxIntToInt64(v.AuxInt)
 15627  		if v_0.Op != OpARM64MOVHreg {
 15628  			break
 15629  		}
 15630  		x := v_0.Args[0]
 15631  		v.reset(OpARM64SBFIZ)
 15632  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(16, 64-lc)))
 15633  		v.AddArg(x)
 15634  		return true
 15635  	}
 15636  	// match: (SLLconst [lc] (MOVBreg x))
 15637  	// result: (SBFIZ [armBFAuxInt(lc, min(8, 64-lc))] x)
 15638  	for {
 15639  		lc := auxIntToInt64(v.AuxInt)
 15640  		if v_0.Op != OpARM64MOVBreg {
 15641  			break
 15642  		}
 15643  		x := v_0.Args[0]
 15644  		v.reset(OpARM64SBFIZ)
 15645  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(8, 64-lc)))
 15646  		v.AddArg(x)
 15647  		return true
 15648  	}
 15649  	// match: (SLLconst [lc] (MOVWUreg x))
 15650  	// result: (UBFIZ [armBFAuxInt(lc, min(32, 64-lc))] x)
 15651  	for {
 15652  		lc := auxIntToInt64(v.AuxInt)
 15653  		if v_0.Op != OpARM64MOVWUreg {
 15654  			break
 15655  		}
 15656  		x := v_0.Args[0]
 15657  		v.reset(OpARM64UBFIZ)
 15658  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(32, 64-lc)))
 15659  		v.AddArg(x)
 15660  		return true
 15661  	}
 15662  	// match: (SLLconst [lc] (MOVHUreg x))
 15663  	// result: (UBFIZ [armBFAuxInt(lc, min(16, 64-lc))] x)
 15664  	for {
 15665  		lc := auxIntToInt64(v.AuxInt)
 15666  		if v_0.Op != OpARM64MOVHUreg {
 15667  			break
 15668  		}
 15669  		x := v_0.Args[0]
 15670  		v.reset(OpARM64UBFIZ)
 15671  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(16, 64-lc)))
 15672  		v.AddArg(x)
 15673  		return true
 15674  	}
 15675  	// match: (SLLconst [lc] (MOVBUreg x))
 15676  	// result: (UBFIZ [armBFAuxInt(lc, min(8, 64-lc))] x)
 15677  	for {
 15678  		lc := auxIntToInt64(v.AuxInt)
 15679  		if v_0.Op != OpARM64MOVBUreg {
 15680  			break
 15681  		}
 15682  		x := v_0.Args[0]
 15683  		v.reset(OpARM64UBFIZ)
 15684  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(8, 64-lc)))
 15685  		v.AddArg(x)
 15686  		return true
 15687  	}
 15688  	// match: (SLLconst [sc] (ANDconst [ac] x))
 15689  	// cond: isARM64BFMask(sc, ac, 0)
 15690  	// result: (UBFIZ [armBFAuxInt(sc, arm64BFWidth(ac, 0))] x)
 15691  	for {
 15692  		sc := auxIntToInt64(v.AuxInt)
 15693  		if v_0.Op != OpARM64ANDconst {
 15694  			break
 15695  		}
 15696  		ac := auxIntToInt64(v_0.AuxInt)
 15697  		x := v_0.Args[0]
 15698  		if !(isARM64BFMask(sc, ac, 0)) {
 15699  			break
 15700  		}
 15701  		v.reset(OpARM64UBFIZ)
 15702  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc, arm64BFWidth(ac, 0)))
 15703  		v.AddArg(x)
 15704  		return true
 15705  	}
 15706  	// match: (SLLconst [sc] (UBFIZ [bfc] x))
 15707  	// cond: sc+bfc.getARM64BFwidth()+bfc.getARM64BFlsb() < 64
 15708  	// result: (UBFIZ [armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth())] x)
 15709  	for {
 15710  		sc := auxIntToInt64(v.AuxInt)
 15711  		if v_0.Op != OpARM64UBFIZ {
 15712  			break
 15713  		}
 15714  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 15715  		x := v_0.Args[0]
 15716  		if !(sc+bfc.getARM64BFwidth()+bfc.getARM64BFlsb() < 64) {
 15717  			break
 15718  		}
 15719  		v.reset(OpARM64UBFIZ)
 15720  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth()))
 15721  		v.AddArg(x)
 15722  		return true
 15723  	}
 15724  	return false
 15725  }
 15726  func rewriteValueARM64_OpARM64SRA(v *Value) bool {
 15727  	v_1 := v.Args[1]
 15728  	v_0 := v.Args[0]
 15729  	// match: (SRA x (MOVDconst [c]))
 15730  	// result: (SRAconst x [c&63])
 15731  	for {
 15732  		x := v_0
 15733  		if v_1.Op != OpARM64MOVDconst {
 15734  			break
 15735  		}
 15736  		c := auxIntToInt64(v_1.AuxInt)
 15737  		v.reset(OpARM64SRAconst)
 15738  		v.AuxInt = int64ToAuxInt(c & 63)
 15739  		v.AddArg(x)
 15740  		return true
 15741  	}
 15742  	// match: (SRA x (ANDconst [63] y))
 15743  	// result: (SRA x y)
 15744  	for {
 15745  		x := v_0
 15746  		if v_1.Op != OpARM64ANDconst || auxIntToInt64(v_1.AuxInt) != 63 {
 15747  			break
 15748  		}
 15749  		y := v_1.Args[0]
 15750  		v.reset(OpARM64SRA)
 15751  		v.AddArg2(x, y)
 15752  		return true
 15753  	}
 15754  	return false
 15755  }
 15756  func rewriteValueARM64_OpARM64SRAconst(v *Value) bool {
 15757  	v_0 := v.Args[0]
 15758  	// match: (SRAconst [c] (MOVDconst [d]))
 15759  	// result: (MOVDconst [d>>uint64(c)])
 15760  	for {
 15761  		c := auxIntToInt64(v.AuxInt)
 15762  		if v_0.Op != OpARM64MOVDconst {
 15763  			break
 15764  		}
 15765  		d := auxIntToInt64(v_0.AuxInt)
 15766  		v.reset(OpARM64MOVDconst)
 15767  		v.AuxInt = int64ToAuxInt(d >> uint64(c))
 15768  		return true
 15769  	}
 15770  	// match: (SRAconst [rc] (SLLconst [lc] x))
 15771  	// cond: lc > rc
 15772  	// result: (SBFIZ [armBFAuxInt(lc-rc, 64-lc)] x)
 15773  	for {
 15774  		rc := auxIntToInt64(v.AuxInt)
 15775  		if v_0.Op != OpARM64SLLconst {
 15776  			break
 15777  		}
 15778  		lc := auxIntToInt64(v_0.AuxInt)
 15779  		x := v_0.Args[0]
 15780  		if !(lc > rc) {
 15781  			break
 15782  		}
 15783  		v.reset(OpARM64SBFIZ)
 15784  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc-rc, 64-lc))
 15785  		v.AddArg(x)
 15786  		return true
 15787  	}
 15788  	// match: (SRAconst [rc] (SLLconst [lc] x))
 15789  	// cond: lc <= rc
 15790  	// result: (SBFX [armBFAuxInt(rc-lc, 64-rc)] x)
 15791  	for {
 15792  		rc := auxIntToInt64(v.AuxInt)
 15793  		if v_0.Op != OpARM64SLLconst {
 15794  			break
 15795  		}
 15796  		lc := auxIntToInt64(v_0.AuxInt)
 15797  		x := v_0.Args[0]
 15798  		if !(lc <= rc) {
 15799  			break
 15800  		}
 15801  		v.reset(OpARM64SBFX)
 15802  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc-lc, 64-rc))
 15803  		v.AddArg(x)
 15804  		return true
 15805  	}
 15806  	// match: (SRAconst [rc] (MOVWreg x))
 15807  	// cond: rc < 32
 15808  	// result: (SBFX [armBFAuxInt(rc, 32-rc)] x)
 15809  	for {
 15810  		rc := auxIntToInt64(v.AuxInt)
 15811  		if v_0.Op != OpARM64MOVWreg {
 15812  			break
 15813  		}
 15814  		x := v_0.Args[0]
 15815  		if !(rc < 32) {
 15816  			break
 15817  		}
 15818  		v.reset(OpARM64SBFX)
 15819  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 32-rc))
 15820  		v.AddArg(x)
 15821  		return true
 15822  	}
 15823  	// match: (SRAconst [rc] (MOVHreg x))
 15824  	// cond: rc < 16
 15825  	// result: (SBFX [armBFAuxInt(rc, 16-rc)] x)
 15826  	for {
 15827  		rc := auxIntToInt64(v.AuxInt)
 15828  		if v_0.Op != OpARM64MOVHreg {
 15829  			break
 15830  		}
 15831  		x := v_0.Args[0]
 15832  		if !(rc < 16) {
 15833  			break
 15834  		}
 15835  		v.reset(OpARM64SBFX)
 15836  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 16-rc))
 15837  		v.AddArg(x)
 15838  		return true
 15839  	}
 15840  	// match: (SRAconst [rc] (MOVBreg x))
 15841  	// cond: rc < 8
 15842  	// result: (SBFX [armBFAuxInt(rc, 8-rc)] x)
 15843  	for {
 15844  		rc := auxIntToInt64(v.AuxInt)
 15845  		if v_0.Op != OpARM64MOVBreg {
 15846  			break
 15847  		}
 15848  		x := v_0.Args[0]
 15849  		if !(rc < 8) {
 15850  			break
 15851  		}
 15852  		v.reset(OpARM64SBFX)
 15853  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 8-rc))
 15854  		v.AddArg(x)
 15855  		return true
 15856  	}
 15857  	// match: (SRAconst [sc] (SBFIZ [bfc] x))
 15858  	// cond: sc < bfc.getARM64BFlsb()
 15859  	// result: (SBFIZ [armBFAuxInt(bfc.getARM64BFlsb()-sc, bfc.getARM64BFwidth())] x)
 15860  	for {
 15861  		sc := auxIntToInt64(v.AuxInt)
 15862  		if v_0.Op != OpARM64SBFIZ {
 15863  			break
 15864  		}
 15865  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 15866  		x := v_0.Args[0]
 15867  		if !(sc < bfc.getARM64BFlsb()) {
 15868  			break
 15869  		}
 15870  		v.reset(OpARM64SBFIZ)
 15871  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()-sc, bfc.getARM64BFwidth()))
 15872  		v.AddArg(x)
 15873  		return true
 15874  	}
 15875  	// match: (SRAconst [sc] (SBFIZ [bfc] x))
 15876  	// cond: sc >= bfc.getARM64BFlsb() && sc < bfc.getARM64BFlsb()+bfc.getARM64BFwidth()
 15877  	// result: (SBFX [armBFAuxInt(sc-bfc.getARM64BFlsb(), bfc.getARM64BFlsb()+bfc.getARM64BFwidth()-sc)] x)
 15878  	for {
 15879  		sc := auxIntToInt64(v.AuxInt)
 15880  		if v_0.Op != OpARM64SBFIZ {
 15881  			break
 15882  		}
 15883  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 15884  		x := v_0.Args[0]
 15885  		if !(sc >= bfc.getARM64BFlsb() && sc < bfc.getARM64BFlsb()+bfc.getARM64BFwidth()) {
 15886  			break
 15887  		}
 15888  		v.reset(OpARM64SBFX)
 15889  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc-bfc.getARM64BFlsb(), bfc.getARM64BFlsb()+bfc.getARM64BFwidth()-sc))
 15890  		v.AddArg(x)
 15891  		return true
 15892  	}
 15893  	return false
 15894  }
 15895  func rewriteValueARM64_OpARM64SRL(v *Value) bool {
 15896  	v_1 := v.Args[1]
 15897  	v_0 := v.Args[0]
 15898  	// match: (SRL x (MOVDconst [c]))
 15899  	// result: (SRLconst x [c&63])
 15900  	for {
 15901  		x := v_0
 15902  		if v_1.Op != OpARM64MOVDconst {
 15903  			break
 15904  		}
 15905  		c := auxIntToInt64(v_1.AuxInt)
 15906  		v.reset(OpARM64SRLconst)
 15907  		v.AuxInt = int64ToAuxInt(c & 63)
 15908  		v.AddArg(x)
 15909  		return true
 15910  	}
 15911  	// match: (SRL x (ANDconst [63] y))
 15912  	// result: (SRL x y)
 15913  	for {
 15914  		x := v_0
 15915  		if v_1.Op != OpARM64ANDconst || auxIntToInt64(v_1.AuxInt) != 63 {
 15916  			break
 15917  		}
 15918  		y := v_1.Args[0]
 15919  		v.reset(OpARM64SRL)
 15920  		v.AddArg2(x, y)
 15921  		return true
 15922  	}
 15923  	return false
 15924  }
 15925  func rewriteValueARM64_OpARM64SRLconst(v *Value) bool {
 15926  	v_0 := v.Args[0]
 15927  	// match: (SRLconst [c] (MOVDconst [d]))
 15928  	// result: (MOVDconst [int64(uint64(d)>>uint64(c))])
 15929  	for {
 15930  		c := auxIntToInt64(v.AuxInt)
 15931  		if v_0.Op != OpARM64MOVDconst {
 15932  			break
 15933  		}
 15934  		d := auxIntToInt64(v_0.AuxInt)
 15935  		v.reset(OpARM64MOVDconst)
 15936  		v.AuxInt = int64ToAuxInt(int64(uint64(d) >> uint64(c)))
 15937  		return true
 15938  	}
 15939  	// match: (SRLconst [c] (SLLconst [c] x))
 15940  	// cond: 0 < c && c < 64
 15941  	// result: (ANDconst [1<<uint(64-c)-1] x)
 15942  	for {
 15943  		c := auxIntToInt64(v.AuxInt)
 15944  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
 15945  			break
 15946  		}
 15947  		x := v_0.Args[0]
 15948  		if !(0 < c && c < 64) {
 15949  			break
 15950  		}
 15951  		v.reset(OpARM64ANDconst)
 15952  		v.AuxInt = int64ToAuxInt(1<<uint(64-c) - 1)
 15953  		v.AddArg(x)
 15954  		return true
 15955  	}
 15956  	// match: (SRLconst [rc] (MOVWUreg x))
 15957  	// cond: rc >= 32
 15958  	// result: (MOVDconst [0])
 15959  	for {
 15960  		rc := auxIntToInt64(v.AuxInt)
 15961  		if v_0.Op != OpARM64MOVWUreg {
 15962  			break
 15963  		}
 15964  		if !(rc >= 32) {
 15965  			break
 15966  		}
 15967  		v.reset(OpARM64MOVDconst)
 15968  		v.AuxInt = int64ToAuxInt(0)
 15969  		return true
 15970  	}
 15971  	// match: (SRLconst [rc] (MOVHUreg x))
 15972  	// cond: rc >= 16
 15973  	// result: (MOVDconst [0])
 15974  	for {
 15975  		rc := auxIntToInt64(v.AuxInt)
 15976  		if v_0.Op != OpARM64MOVHUreg {
 15977  			break
 15978  		}
 15979  		if !(rc >= 16) {
 15980  			break
 15981  		}
 15982  		v.reset(OpARM64MOVDconst)
 15983  		v.AuxInt = int64ToAuxInt(0)
 15984  		return true
 15985  	}
 15986  	// match: (SRLconst [rc] (MOVBUreg x))
 15987  	// cond: rc >= 8
 15988  	// result: (MOVDconst [0])
 15989  	for {
 15990  		rc := auxIntToInt64(v.AuxInt)
 15991  		if v_0.Op != OpARM64MOVBUreg {
 15992  			break
 15993  		}
 15994  		if !(rc >= 8) {
 15995  			break
 15996  		}
 15997  		v.reset(OpARM64MOVDconst)
 15998  		v.AuxInt = int64ToAuxInt(0)
 15999  		return true
 16000  	}
 16001  	// match: (SRLconst [rc] (SLLconst [lc] x))
 16002  	// cond: lc > rc
 16003  	// result: (UBFIZ [armBFAuxInt(lc-rc, 64-lc)] x)
 16004  	for {
 16005  		rc := auxIntToInt64(v.AuxInt)
 16006  		if v_0.Op != OpARM64SLLconst {
 16007  			break
 16008  		}
 16009  		lc := auxIntToInt64(v_0.AuxInt)
 16010  		x := v_0.Args[0]
 16011  		if !(lc > rc) {
 16012  			break
 16013  		}
 16014  		v.reset(OpARM64UBFIZ)
 16015  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc-rc, 64-lc))
 16016  		v.AddArg(x)
 16017  		return true
 16018  	}
 16019  	// match: (SRLconst [rc] (SLLconst [lc] x))
 16020  	// cond: lc < rc
 16021  	// result: (UBFX [armBFAuxInt(rc-lc, 64-rc)] x)
 16022  	for {
 16023  		rc := auxIntToInt64(v.AuxInt)
 16024  		if v_0.Op != OpARM64SLLconst {
 16025  			break
 16026  		}
 16027  		lc := auxIntToInt64(v_0.AuxInt)
 16028  		x := v_0.Args[0]
 16029  		if !(lc < rc) {
 16030  			break
 16031  		}
 16032  		v.reset(OpARM64UBFX)
 16033  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc-lc, 64-rc))
 16034  		v.AddArg(x)
 16035  		return true
 16036  	}
 16037  	// match: (SRLconst [rc] (MOVWUreg x))
 16038  	// cond: rc < 32
 16039  	// result: (UBFX [armBFAuxInt(rc, 32-rc)] x)
 16040  	for {
 16041  		rc := auxIntToInt64(v.AuxInt)
 16042  		if v_0.Op != OpARM64MOVWUreg {
 16043  			break
 16044  		}
 16045  		x := v_0.Args[0]
 16046  		if !(rc < 32) {
 16047  			break
 16048  		}
 16049  		v.reset(OpARM64UBFX)
 16050  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 32-rc))
 16051  		v.AddArg(x)
 16052  		return true
 16053  	}
 16054  	// match: (SRLconst [rc] (MOVHUreg x))
 16055  	// cond: rc < 16
 16056  	// result: (UBFX [armBFAuxInt(rc, 16-rc)] x)
 16057  	for {
 16058  		rc := auxIntToInt64(v.AuxInt)
 16059  		if v_0.Op != OpARM64MOVHUreg {
 16060  			break
 16061  		}
 16062  		x := v_0.Args[0]
 16063  		if !(rc < 16) {
 16064  			break
 16065  		}
 16066  		v.reset(OpARM64UBFX)
 16067  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 16-rc))
 16068  		v.AddArg(x)
 16069  		return true
 16070  	}
 16071  	// match: (SRLconst [rc] (MOVBUreg x))
 16072  	// cond: rc < 8
 16073  	// result: (UBFX [armBFAuxInt(rc, 8-rc)] x)
 16074  	for {
 16075  		rc := auxIntToInt64(v.AuxInt)
 16076  		if v_0.Op != OpARM64MOVBUreg {
 16077  			break
 16078  		}
 16079  		x := v_0.Args[0]
 16080  		if !(rc < 8) {
 16081  			break
 16082  		}
 16083  		v.reset(OpARM64UBFX)
 16084  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 8-rc))
 16085  		v.AddArg(x)
 16086  		return true
 16087  	}
 16088  	// match: (SRLconst [sc] (ANDconst [ac] x))
 16089  	// cond: isARM64BFMask(sc, ac, sc)
 16090  	// result: (UBFX [armBFAuxInt(sc, arm64BFWidth(ac, sc))] x)
 16091  	for {
 16092  		sc := auxIntToInt64(v.AuxInt)
 16093  		if v_0.Op != OpARM64ANDconst {
 16094  			break
 16095  		}
 16096  		ac := auxIntToInt64(v_0.AuxInt)
 16097  		x := v_0.Args[0]
 16098  		if !(isARM64BFMask(sc, ac, sc)) {
 16099  			break
 16100  		}
 16101  		v.reset(OpARM64UBFX)
 16102  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc, arm64BFWidth(ac, sc)))
 16103  		v.AddArg(x)
 16104  		return true
 16105  	}
 16106  	// match: (SRLconst [sc] (UBFX [bfc] x))
 16107  	// cond: sc < bfc.getARM64BFwidth()
 16108  	// result: (UBFX [armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth()-sc)] x)
 16109  	for {
 16110  		sc := auxIntToInt64(v.AuxInt)
 16111  		if v_0.Op != OpARM64UBFX {
 16112  			break
 16113  		}
 16114  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16115  		x := v_0.Args[0]
 16116  		if !(sc < bfc.getARM64BFwidth()) {
 16117  			break
 16118  		}
 16119  		v.reset(OpARM64UBFX)
 16120  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth()-sc))
 16121  		v.AddArg(x)
 16122  		return true
 16123  	}
 16124  	// match: (SRLconst [sc] (UBFIZ [bfc] x))
 16125  	// cond: sc == bfc.getARM64BFlsb()
 16126  	// result: (ANDconst [1<<uint(bfc.getARM64BFwidth())-1] x)
 16127  	for {
 16128  		sc := auxIntToInt64(v.AuxInt)
 16129  		if v_0.Op != OpARM64UBFIZ {
 16130  			break
 16131  		}
 16132  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16133  		x := v_0.Args[0]
 16134  		if !(sc == bfc.getARM64BFlsb()) {
 16135  			break
 16136  		}
 16137  		v.reset(OpARM64ANDconst)
 16138  		v.AuxInt = int64ToAuxInt(1<<uint(bfc.getARM64BFwidth()) - 1)
 16139  		v.AddArg(x)
 16140  		return true
 16141  	}
 16142  	// match: (SRLconst [sc] (UBFIZ [bfc] x))
 16143  	// cond: sc < bfc.getARM64BFlsb()
 16144  	// result: (UBFIZ [armBFAuxInt(bfc.getARM64BFlsb()-sc, bfc.getARM64BFwidth())] x)
 16145  	for {
 16146  		sc := auxIntToInt64(v.AuxInt)
 16147  		if v_0.Op != OpARM64UBFIZ {
 16148  			break
 16149  		}
 16150  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16151  		x := v_0.Args[0]
 16152  		if !(sc < bfc.getARM64BFlsb()) {
 16153  			break
 16154  		}
 16155  		v.reset(OpARM64UBFIZ)
 16156  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()-sc, bfc.getARM64BFwidth()))
 16157  		v.AddArg(x)
 16158  		return true
 16159  	}
 16160  	// match: (SRLconst [sc] (UBFIZ [bfc] x))
 16161  	// cond: sc > bfc.getARM64BFlsb() && sc < bfc.getARM64BFlsb()+bfc.getARM64BFwidth()
 16162  	// result: (UBFX [armBFAuxInt(sc-bfc.getARM64BFlsb(), bfc.getARM64BFlsb()+bfc.getARM64BFwidth()-sc)] x)
 16163  	for {
 16164  		sc := auxIntToInt64(v.AuxInt)
 16165  		if v_0.Op != OpARM64UBFIZ {
 16166  			break
 16167  		}
 16168  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16169  		x := v_0.Args[0]
 16170  		if !(sc > bfc.getARM64BFlsb() && sc < bfc.getARM64BFlsb()+bfc.getARM64BFwidth()) {
 16171  			break
 16172  		}
 16173  		v.reset(OpARM64UBFX)
 16174  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc-bfc.getARM64BFlsb(), bfc.getARM64BFlsb()+bfc.getARM64BFwidth()-sc))
 16175  		v.AddArg(x)
 16176  		return true
 16177  	}
 16178  	return false
 16179  }
 16180  func rewriteValueARM64_OpARM64STP(v *Value) bool {
 16181  	v_3 := v.Args[3]
 16182  	v_2 := v.Args[2]
 16183  	v_1 := v.Args[1]
 16184  	v_0 := v.Args[0]
 16185  	b := v.Block
 16186  	config := b.Func.Config
 16187  	// match: (STP [off1] {sym} (ADDconst [off2] ptr) val1 val2 mem)
 16188  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 16189  	// result: (STP [off1+int32(off2)] {sym} ptr val1 val2 mem)
 16190  	for {
 16191  		off1 := auxIntToInt32(v.AuxInt)
 16192  		sym := auxToSym(v.Aux)
 16193  		if v_0.Op != OpARM64ADDconst {
 16194  			break
 16195  		}
 16196  		off2 := auxIntToInt64(v_0.AuxInt)
 16197  		ptr := v_0.Args[0]
 16198  		val1 := v_1
 16199  		val2 := v_2
 16200  		mem := v_3
 16201  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 16202  			break
 16203  		}
 16204  		v.reset(OpARM64STP)
 16205  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 16206  		v.Aux = symToAux(sym)
 16207  		v.AddArg4(ptr, val1, val2, mem)
 16208  		return true
 16209  	}
 16210  	// match: (STP [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val1 val2 mem)
 16211  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 16212  	// result: (STP [off1+off2] {mergeSym(sym1,sym2)} ptr val1 val2 mem)
 16213  	for {
 16214  		off1 := auxIntToInt32(v.AuxInt)
 16215  		sym1 := auxToSym(v.Aux)
 16216  		if v_0.Op != OpARM64MOVDaddr {
 16217  			break
 16218  		}
 16219  		off2 := auxIntToInt32(v_0.AuxInt)
 16220  		sym2 := auxToSym(v_0.Aux)
 16221  		ptr := v_0.Args[0]
 16222  		val1 := v_1
 16223  		val2 := v_2
 16224  		mem := v_3
 16225  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 16226  			break
 16227  		}
 16228  		v.reset(OpARM64STP)
 16229  		v.AuxInt = int32ToAuxInt(off1 + off2)
 16230  		v.Aux = symToAux(mergeSym(sym1, sym2))
 16231  		v.AddArg4(ptr, val1, val2, mem)
 16232  		return true
 16233  	}
 16234  	// match: (STP [off] {sym} ptr (MOVDconst [0]) (MOVDconst [0]) mem)
 16235  	// result: (MOVQstorezero [off] {sym} ptr mem)
 16236  	for {
 16237  		off := auxIntToInt32(v.AuxInt)
 16238  		sym := auxToSym(v.Aux)
 16239  		ptr := v_0
 16240  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 || v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
 16241  			break
 16242  		}
 16243  		mem := v_3
 16244  		v.reset(OpARM64MOVQstorezero)
 16245  		v.AuxInt = int32ToAuxInt(off)
 16246  		v.Aux = symToAux(sym)
 16247  		v.AddArg2(ptr, mem)
 16248  		return true
 16249  	}
 16250  	return false
 16251  }
 16252  func rewriteValueARM64_OpARM64SUB(v *Value) bool {
 16253  	v_1 := v.Args[1]
 16254  	v_0 := v.Args[0]
 16255  	b := v.Block
 16256  	// match: (SUB x (MOVDconst [c]))
 16257  	// result: (SUBconst [c] x)
 16258  	for {
 16259  		x := v_0
 16260  		if v_1.Op != OpARM64MOVDconst {
 16261  			break
 16262  		}
 16263  		c := auxIntToInt64(v_1.AuxInt)
 16264  		v.reset(OpARM64SUBconst)
 16265  		v.AuxInt = int64ToAuxInt(c)
 16266  		v.AddArg(x)
 16267  		return true
 16268  	}
 16269  	// match: (SUB a l:(MUL x y))
 16270  	// cond: l.Uses==1 && clobber(l)
 16271  	// result: (MSUB a x y)
 16272  	for {
 16273  		a := v_0
 16274  		l := v_1
 16275  		if l.Op != OpARM64MUL {
 16276  			break
 16277  		}
 16278  		y := l.Args[1]
 16279  		x := l.Args[0]
 16280  		if !(l.Uses == 1 && clobber(l)) {
 16281  			break
 16282  		}
 16283  		v.reset(OpARM64MSUB)
 16284  		v.AddArg3(a, x, y)
 16285  		return true
 16286  	}
 16287  	// match: (SUB a l:(MNEG x y))
 16288  	// cond: l.Uses==1 && clobber(l)
 16289  	// result: (MADD a x y)
 16290  	for {
 16291  		a := v_0
 16292  		l := v_1
 16293  		if l.Op != OpARM64MNEG {
 16294  			break
 16295  		}
 16296  		y := l.Args[1]
 16297  		x := l.Args[0]
 16298  		if !(l.Uses == 1 && clobber(l)) {
 16299  			break
 16300  		}
 16301  		v.reset(OpARM64MADD)
 16302  		v.AddArg3(a, x, y)
 16303  		return true
 16304  	}
 16305  	// match: (SUB a l:(MULW x y))
 16306  	// cond: v.Type.Size() <= 4 && l.Uses==1 && clobber(l)
 16307  	// result: (MSUBW a x y)
 16308  	for {
 16309  		a := v_0
 16310  		l := v_1
 16311  		if l.Op != OpARM64MULW {
 16312  			break
 16313  		}
 16314  		y := l.Args[1]
 16315  		x := l.Args[0]
 16316  		if !(v.Type.Size() <= 4 && l.Uses == 1 && clobber(l)) {
 16317  			break
 16318  		}
 16319  		v.reset(OpARM64MSUBW)
 16320  		v.AddArg3(a, x, y)
 16321  		return true
 16322  	}
 16323  	// match: (SUB a l:(MNEGW x y))
 16324  	// cond: v.Type.Size() <= 4 && l.Uses==1 && clobber(l)
 16325  	// result: (MADDW a x y)
 16326  	for {
 16327  		a := v_0
 16328  		l := v_1
 16329  		if l.Op != OpARM64MNEGW {
 16330  			break
 16331  		}
 16332  		y := l.Args[1]
 16333  		x := l.Args[0]
 16334  		if !(v.Type.Size() <= 4 && l.Uses == 1 && clobber(l)) {
 16335  			break
 16336  		}
 16337  		v.reset(OpARM64MADDW)
 16338  		v.AddArg3(a, x, y)
 16339  		return true
 16340  	}
 16341  	// match: (SUB x x)
 16342  	// result: (MOVDconst [0])
 16343  	for {
 16344  		x := v_0
 16345  		if x != v_1 {
 16346  			break
 16347  		}
 16348  		v.reset(OpARM64MOVDconst)
 16349  		v.AuxInt = int64ToAuxInt(0)
 16350  		return true
 16351  	}
 16352  	// match: (SUB x (SUB y z))
 16353  	// result: (SUB (ADD <v.Type> x z) y)
 16354  	for {
 16355  		x := v_0
 16356  		if v_1.Op != OpARM64SUB {
 16357  			break
 16358  		}
 16359  		z := v_1.Args[1]
 16360  		y := v_1.Args[0]
 16361  		v.reset(OpARM64SUB)
 16362  		v0 := b.NewValue0(v.Pos, OpARM64ADD, v.Type)
 16363  		v0.AddArg2(x, z)
 16364  		v.AddArg2(v0, y)
 16365  		return true
 16366  	}
 16367  	// match: (SUB (SUB x y) z)
 16368  	// result: (SUB x (ADD <y.Type> y z))
 16369  	for {
 16370  		if v_0.Op != OpARM64SUB {
 16371  			break
 16372  		}
 16373  		y := v_0.Args[1]
 16374  		x := v_0.Args[0]
 16375  		z := v_1
 16376  		v.reset(OpARM64SUB)
 16377  		v0 := b.NewValue0(v.Pos, OpARM64ADD, y.Type)
 16378  		v0.AddArg2(y, z)
 16379  		v.AddArg2(x, v0)
 16380  		return true
 16381  	}
 16382  	// match: (SUB x0 x1:(SLLconst [c] y))
 16383  	// cond: clobberIfDead(x1)
 16384  	// result: (SUBshiftLL x0 y [c])
 16385  	for {
 16386  		x0 := v_0
 16387  		x1 := v_1
 16388  		if x1.Op != OpARM64SLLconst {
 16389  			break
 16390  		}
 16391  		c := auxIntToInt64(x1.AuxInt)
 16392  		y := x1.Args[0]
 16393  		if !(clobberIfDead(x1)) {
 16394  			break
 16395  		}
 16396  		v.reset(OpARM64SUBshiftLL)
 16397  		v.AuxInt = int64ToAuxInt(c)
 16398  		v.AddArg2(x0, y)
 16399  		return true
 16400  	}
 16401  	// match: (SUB x0 x1:(SRLconst [c] y))
 16402  	// cond: clobberIfDead(x1)
 16403  	// result: (SUBshiftRL x0 y [c])
 16404  	for {
 16405  		x0 := v_0
 16406  		x1 := v_1
 16407  		if x1.Op != OpARM64SRLconst {
 16408  			break
 16409  		}
 16410  		c := auxIntToInt64(x1.AuxInt)
 16411  		y := x1.Args[0]
 16412  		if !(clobberIfDead(x1)) {
 16413  			break
 16414  		}
 16415  		v.reset(OpARM64SUBshiftRL)
 16416  		v.AuxInt = int64ToAuxInt(c)
 16417  		v.AddArg2(x0, y)
 16418  		return true
 16419  	}
 16420  	// match: (SUB x0 x1:(SRAconst [c] y))
 16421  	// cond: clobberIfDead(x1)
 16422  	// result: (SUBshiftRA x0 y [c])
 16423  	for {
 16424  		x0 := v_0
 16425  		x1 := v_1
 16426  		if x1.Op != OpARM64SRAconst {
 16427  			break
 16428  		}
 16429  		c := auxIntToInt64(x1.AuxInt)
 16430  		y := x1.Args[0]
 16431  		if !(clobberIfDead(x1)) {
 16432  			break
 16433  		}
 16434  		v.reset(OpARM64SUBshiftRA)
 16435  		v.AuxInt = int64ToAuxInt(c)
 16436  		v.AddArg2(x0, y)
 16437  		return true
 16438  	}
 16439  	return false
 16440  }
 16441  func rewriteValueARM64_OpARM64SUBconst(v *Value) bool {
 16442  	v_0 := v.Args[0]
 16443  	// match: (SUBconst [0] x)
 16444  	// result: x
 16445  	for {
 16446  		if auxIntToInt64(v.AuxInt) != 0 {
 16447  			break
 16448  		}
 16449  		x := v_0
 16450  		v.copyOf(x)
 16451  		return true
 16452  	}
 16453  	// match: (SUBconst [c] (MOVDconst [d]))
 16454  	// result: (MOVDconst [d-c])
 16455  	for {
 16456  		c := auxIntToInt64(v.AuxInt)
 16457  		if v_0.Op != OpARM64MOVDconst {
 16458  			break
 16459  		}
 16460  		d := auxIntToInt64(v_0.AuxInt)
 16461  		v.reset(OpARM64MOVDconst)
 16462  		v.AuxInt = int64ToAuxInt(d - c)
 16463  		return true
 16464  	}
 16465  	// match: (SUBconst [c] (SUBconst [d] x))
 16466  	// result: (ADDconst [-c-d] x)
 16467  	for {
 16468  		c := auxIntToInt64(v.AuxInt)
 16469  		if v_0.Op != OpARM64SUBconst {
 16470  			break
 16471  		}
 16472  		d := auxIntToInt64(v_0.AuxInt)
 16473  		x := v_0.Args[0]
 16474  		v.reset(OpARM64ADDconst)
 16475  		v.AuxInt = int64ToAuxInt(-c - d)
 16476  		v.AddArg(x)
 16477  		return true
 16478  	}
 16479  	// match: (SUBconst [c] (ADDconst [d] x))
 16480  	// result: (ADDconst [-c+d] x)
 16481  	for {
 16482  		c := auxIntToInt64(v.AuxInt)
 16483  		if v_0.Op != OpARM64ADDconst {
 16484  			break
 16485  		}
 16486  		d := auxIntToInt64(v_0.AuxInt)
 16487  		x := v_0.Args[0]
 16488  		v.reset(OpARM64ADDconst)
 16489  		v.AuxInt = int64ToAuxInt(-c + d)
 16490  		v.AddArg(x)
 16491  		return true
 16492  	}
 16493  	return false
 16494  }
 16495  func rewriteValueARM64_OpARM64SUBshiftLL(v *Value) bool {
 16496  	v_1 := v.Args[1]
 16497  	v_0 := v.Args[0]
 16498  	// match: (SUBshiftLL x (MOVDconst [c]) [d])
 16499  	// result: (SUBconst x [int64(uint64(c)<<uint64(d))])
 16500  	for {
 16501  		d := auxIntToInt64(v.AuxInt)
 16502  		x := v_0
 16503  		if v_1.Op != OpARM64MOVDconst {
 16504  			break
 16505  		}
 16506  		c := auxIntToInt64(v_1.AuxInt)
 16507  		v.reset(OpARM64SUBconst)
 16508  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
 16509  		v.AddArg(x)
 16510  		return true
 16511  	}
 16512  	// match: (SUBshiftLL (SLLconst x [c]) x [c])
 16513  	// result: (MOVDconst [0])
 16514  	for {
 16515  		c := auxIntToInt64(v.AuxInt)
 16516  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
 16517  			break
 16518  		}
 16519  		x := v_0.Args[0]
 16520  		if x != v_1 {
 16521  			break
 16522  		}
 16523  		v.reset(OpARM64MOVDconst)
 16524  		v.AuxInt = int64ToAuxInt(0)
 16525  		return true
 16526  	}
 16527  	return false
 16528  }
 16529  func rewriteValueARM64_OpARM64SUBshiftRA(v *Value) bool {
 16530  	v_1 := v.Args[1]
 16531  	v_0 := v.Args[0]
 16532  	// match: (SUBshiftRA x (MOVDconst [c]) [d])
 16533  	// result: (SUBconst x [c>>uint64(d)])
 16534  	for {
 16535  		d := auxIntToInt64(v.AuxInt)
 16536  		x := v_0
 16537  		if v_1.Op != OpARM64MOVDconst {
 16538  			break
 16539  		}
 16540  		c := auxIntToInt64(v_1.AuxInt)
 16541  		v.reset(OpARM64SUBconst)
 16542  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
 16543  		v.AddArg(x)
 16544  		return true
 16545  	}
 16546  	// match: (SUBshiftRA (SRAconst x [c]) x [c])
 16547  	// result: (MOVDconst [0])
 16548  	for {
 16549  		c := auxIntToInt64(v.AuxInt)
 16550  		if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c {
 16551  			break
 16552  		}
 16553  		x := v_0.Args[0]
 16554  		if x != v_1 {
 16555  			break
 16556  		}
 16557  		v.reset(OpARM64MOVDconst)
 16558  		v.AuxInt = int64ToAuxInt(0)
 16559  		return true
 16560  	}
 16561  	return false
 16562  }
 16563  func rewriteValueARM64_OpARM64SUBshiftRL(v *Value) bool {
 16564  	v_1 := v.Args[1]
 16565  	v_0 := v.Args[0]
 16566  	// match: (SUBshiftRL x (MOVDconst [c]) [d])
 16567  	// result: (SUBconst x [int64(uint64(c)>>uint64(d))])
 16568  	for {
 16569  		d := auxIntToInt64(v.AuxInt)
 16570  		x := v_0
 16571  		if v_1.Op != OpARM64MOVDconst {
 16572  			break
 16573  		}
 16574  		c := auxIntToInt64(v_1.AuxInt)
 16575  		v.reset(OpARM64SUBconst)
 16576  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
 16577  		v.AddArg(x)
 16578  		return true
 16579  	}
 16580  	// match: (SUBshiftRL (SRLconst x [c]) x [c])
 16581  	// result: (MOVDconst [0])
 16582  	for {
 16583  		c := auxIntToInt64(v.AuxInt)
 16584  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
 16585  			break
 16586  		}
 16587  		x := v_0.Args[0]
 16588  		if x != v_1 {
 16589  			break
 16590  		}
 16591  		v.reset(OpARM64MOVDconst)
 16592  		v.AuxInt = int64ToAuxInt(0)
 16593  		return true
 16594  	}
 16595  	return false
 16596  }
 16597  func rewriteValueARM64_OpARM64TST(v *Value) bool {
 16598  	v_1 := v.Args[1]
 16599  	v_0 := v.Args[0]
 16600  	// match: (TST x (MOVDconst [c]))
 16601  	// result: (TSTconst [c] x)
 16602  	for {
 16603  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 16604  			x := v_0
 16605  			if v_1.Op != OpARM64MOVDconst {
 16606  				continue
 16607  			}
 16608  			c := auxIntToInt64(v_1.AuxInt)
 16609  			v.reset(OpARM64TSTconst)
 16610  			v.AuxInt = int64ToAuxInt(c)
 16611  			v.AddArg(x)
 16612  			return true
 16613  		}
 16614  		break
 16615  	}
 16616  	// match: (TST x0 x1:(SLLconst [c] y))
 16617  	// cond: clobberIfDead(x1)
 16618  	// result: (TSTshiftLL x0 y [c])
 16619  	for {
 16620  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 16621  			x0 := v_0
 16622  			x1 := v_1
 16623  			if x1.Op != OpARM64SLLconst {
 16624  				continue
 16625  			}
 16626  			c := auxIntToInt64(x1.AuxInt)
 16627  			y := x1.Args[0]
 16628  			if !(clobberIfDead(x1)) {
 16629  				continue
 16630  			}
 16631  			v.reset(OpARM64TSTshiftLL)
 16632  			v.AuxInt = int64ToAuxInt(c)
 16633  			v.AddArg2(x0, y)
 16634  			return true
 16635  		}
 16636  		break
 16637  	}
 16638  	// match: (TST x0 x1:(SRLconst [c] y))
 16639  	// cond: clobberIfDead(x1)
 16640  	// result: (TSTshiftRL x0 y [c])
 16641  	for {
 16642  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 16643  			x0 := v_0
 16644  			x1 := v_1
 16645  			if x1.Op != OpARM64SRLconst {
 16646  				continue
 16647  			}
 16648  			c := auxIntToInt64(x1.AuxInt)
 16649  			y := x1.Args[0]
 16650  			if !(clobberIfDead(x1)) {
 16651  				continue
 16652  			}
 16653  			v.reset(OpARM64TSTshiftRL)
 16654  			v.AuxInt = int64ToAuxInt(c)
 16655  			v.AddArg2(x0, y)
 16656  			return true
 16657  		}
 16658  		break
 16659  	}
 16660  	// match: (TST x0 x1:(SRAconst [c] y))
 16661  	// cond: clobberIfDead(x1)
 16662  	// result: (TSTshiftRA x0 y [c])
 16663  	for {
 16664  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 16665  			x0 := v_0
 16666  			x1 := v_1
 16667  			if x1.Op != OpARM64SRAconst {
 16668  				continue
 16669  			}
 16670  			c := auxIntToInt64(x1.AuxInt)
 16671  			y := x1.Args[0]
 16672  			if !(clobberIfDead(x1)) {
 16673  				continue
 16674  			}
 16675  			v.reset(OpARM64TSTshiftRA)
 16676  			v.AuxInt = int64ToAuxInt(c)
 16677  			v.AddArg2(x0, y)
 16678  			return true
 16679  		}
 16680  		break
 16681  	}
 16682  	// match: (TST x0 x1:(RORconst [c] y))
 16683  	// cond: clobberIfDead(x1)
 16684  	// result: (TSTshiftRO x0 y [c])
 16685  	for {
 16686  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 16687  			x0 := v_0
 16688  			x1 := v_1
 16689  			if x1.Op != OpARM64RORconst {
 16690  				continue
 16691  			}
 16692  			c := auxIntToInt64(x1.AuxInt)
 16693  			y := x1.Args[0]
 16694  			if !(clobberIfDead(x1)) {
 16695  				continue
 16696  			}
 16697  			v.reset(OpARM64TSTshiftRO)
 16698  			v.AuxInt = int64ToAuxInt(c)
 16699  			v.AddArg2(x0, y)
 16700  			return true
 16701  		}
 16702  		break
 16703  	}
 16704  	return false
 16705  }
 16706  func rewriteValueARM64_OpARM64TSTW(v *Value) bool {
 16707  	v_1 := v.Args[1]
 16708  	v_0 := v.Args[0]
 16709  	// match: (TSTW x (MOVDconst [c]))
 16710  	// result: (TSTWconst [int32(c)] x)
 16711  	for {
 16712  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 16713  			x := v_0
 16714  			if v_1.Op != OpARM64MOVDconst {
 16715  				continue
 16716  			}
 16717  			c := auxIntToInt64(v_1.AuxInt)
 16718  			v.reset(OpARM64TSTWconst)
 16719  			v.AuxInt = int32ToAuxInt(int32(c))
 16720  			v.AddArg(x)
 16721  			return true
 16722  		}
 16723  		break
 16724  	}
 16725  	return false
 16726  }
 16727  func rewriteValueARM64_OpARM64TSTWconst(v *Value) bool {
 16728  	v_0 := v.Args[0]
 16729  	// match: (TSTWconst (MOVDconst [x]) [y])
 16730  	// result: (FlagConstant [logicFlags32(int32(x)&y)])
 16731  	for {
 16732  		y := auxIntToInt32(v.AuxInt)
 16733  		if v_0.Op != OpARM64MOVDconst {
 16734  			break
 16735  		}
 16736  		x := auxIntToInt64(v_0.AuxInt)
 16737  		v.reset(OpARM64FlagConstant)
 16738  		v.AuxInt = flagConstantToAuxInt(logicFlags32(int32(x) & y))
 16739  		return true
 16740  	}
 16741  	return false
 16742  }
 16743  func rewriteValueARM64_OpARM64TSTconst(v *Value) bool {
 16744  	v_0 := v.Args[0]
 16745  	// match: (TSTconst (MOVDconst [x]) [y])
 16746  	// result: (FlagConstant [logicFlags64(x&y)])
 16747  	for {
 16748  		y := auxIntToInt64(v.AuxInt)
 16749  		if v_0.Op != OpARM64MOVDconst {
 16750  			break
 16751  		}
 16752  		x := auxIntToInt64(v_0.AuxInt)
 16753  		v.reset(OpARM64FlagConstant)
 16754  		v.AuxInt = flagConstantToAuxInt(logicFlags64(x & y))
 16755  		return true
 16756  	}
 16757  	return false
 16758  }
 16759  func rewriteValueARM64_OpARM64TSTshiftLL(v *Value) bool {
 16760  	v_1 := v.Args[1]
 16761  	v_0 := v.Args[0]
 16762  	b := v.Block
 16763  	// match: (TSTshiftLL (MOVDconst [c]) x [d])
 16764  	// result: (TSTconst [c] (SLLconst <x.Type> x [d]))
 16765  	for {
 16766  		d := auxIntToInt64(v.AuxInt)
 16767  		if v_0.Op != OpARM64MOVDconst {
 16768  			break
 16769  		}
 16770  		c := auxIntToInt64(v_0.AuxInt)
 16771  		x := v_1
 16772  		v.reset(OpARM64TSTconst)
 16773  		v.AuxInt = int64ToAuxInt(c)
 16774  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 16775  		v0.AuxInt = int64ToAuxInt(d)
 16776  		v0.AddArg(x)
 16777  		v.AddArg(v0)
 16778  		return true
 16779  	}
 16780  	// match: (TSTshiftLL x (MOVDconst [c]) [d])
 16781  	// result: (TSTconst x [int64(uint64(c)<<uint64(d))])
 16782  	for {
 16783  		d := auxIntToInt64(v.AuxInt)
 16784  		x := v_0
 16785  		if v_1.Op != OpARM64MOVDconst {
 16786  			break
 16787  		}
 16788  		c := auxIntToInt64(v_1.AuxInt)
 16789  		v.reset(OpARM64TSTconst)
 16790  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
 16791  		v.AddArg(x)
 16792  		return true
 16793  	}
 16794  	return false
 16795  }
 16796  func rewriteValueARM64_OpARM64TSTshiftRA(v *Value) bool {
 16797  	v_1 := v.Args[1]
 16798  	v_0 := v.Args[0]
 16799  	b := v.Block
 16800  	// match: (TSTshiftRA (MOVDconst [c]) x [d])
 16801  	// result: (TSTconst [c] (SRAconst <x.Type> x [d]))
 16802  	for {
 16803  		d := auxIntToInt64(v.AuxInt)
 16804  		if v_0.Op != OpARM64MOVDconst {
 16805  			break
 16806  		}
 16807  		c := auxIntToInt64(v_0.AuxInt)
 16808  		x := v_1
 16809  		v.reset(OpARM64TSTconst)
 16810  		v.AuxInt = int64ToAuxInt(c)
 16811  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
 16812  		v0.AuxInt = int64ToAuxInt(d)
 16813  		v0.AddArg(x)
 16814  		v.AddArg(v0)
 16815  		return true
 16816  	}
 16817  	// match: (TSTshiftRA x (MOVDconst [c]) [d])
 16818  	// result: (TSTconst x [c>>uint64(d)])
 16819  	for {
 16820  		d := auxIntToInt64(v.AuxInt)
 16821  		x := v_0
 16822  		if v_1.Op != OpARM64MOVDconst {
 16823  			break
 16824  		}
 16825  		c := auxIntToInt64(v_1.AuxInt)
 16826  		v.reset(OpARM64TSTconst)
 16827  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
 16828  		v.AddArg(x)
 16829  		return true
 16830  	}
 16831  	return false
 16832  }
 16833  func rewriteValueARM64_OpARM64TSTshiftRL(v *Value) bool {
 16834  	v_1 := v.Args[1]
 16835  	v_0 := v.Args[0]
 16836  	b := v.Block
 16837  	// match: (TSTshiftRL (MOVDconst [c]) x [d])
 16838  	// result: (TSTconst [c] (SRLconst <x.Type> x [d]))
 16839  	for {
 16840  		d := auxIntToInt64(v.AuxInt)
 16841  		if v_0.Op != OpARM64MOVDconst {
 16842  			break
 16843  		}
 16844  		c := auxIntToInt64(v_0.AuxInt)
 16845  		x := v_1
 16846  		v.reset(OpARM64TSTconst)
 16847  		v.AuxInt = int64ToAuxInt(c)
 16848  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
 16849  		v0.AuxInt = int64ToAuxInt(d)
 16850  		v0.AddArg(x)
 16851  		v.AddArg(v0)
 16852  		return true
 16853  	}
 16854  	// match: (TSTshiftRL x (MOVDconst [c]) [d])
 16855  	// result: (TSTconst x [int64(uint64(c)>>uint64(d))])
 16856  	for {
 16857  		d := auxIntToInt64(v.AuxInt)
 16858  		x := v_0
 16859  		if v_1.Op != OpARM64MOVDconst {
 16860  			break
 16861  		}
 16862  		c := auxIntToInt64(v_1.AuxInt)
 16863  		v.reset(OpARM64TSTconst)
 16864  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
 16865  		v.AddArg(x)
 16866  		return true
 16867  	}
 16868  	return false
 16869  }
 16870  func rewriteValueARM64_OpARM64TSTshiftRO(v *Value) bool {
 16871  	v_1 := v.Args[1]
 16872  	v_0 := v.Args[0]
 16873  	b := v.Block
 16874  	// match: (TSTshiftRO (MOVDconst [c]) x [d])
 16875  	// result: (TSTconst [c] (RORconst <x.Type> x [d]))
 16876  	for {
 16877  		d := auxIntToInt64(v.AuxInt)
 16878  		if v_0.Op != OpARM64MOVDconst {
 16879  			break
 16880  		}
 16881  		c := auxIntToInt64(v_0.AuxInt)
 16882  		x := v_1
 16883  		v.reset(OpARM64TSTconst)
 16884  		v.AuxInt = int64ToAuxInt(c)
 16885  		v0 := b.NewValue0(v.Pos, OpARM64RORconst, x.Type)
 16886  		v0.AuxInt = int64ToAuxInt(d)
 16887  		v0.AddArg(x)
 16888  		v.AddArg(v0)
 16889  		return true
 16890  	}
 16891  	// match: (TSTshiftRO x (MOVDconst [c]) [d])
 16892  	// result: (TSTconst x [rotateRight64(c, d)])
 16893  	for {
 16894  		d := auxIntToInt64(v.AuxInt)
 16895  		x := v_0
 16896  		if v_1.Op != OpARM64MOVDconst {
 16897  			break
 16898  		}
 16899  		c := auxIntToInt64(v_1.AuxInt)
 16900  		v.reset(OpARM64TSTconst)
 16901  		v.AuxInt = int64ToAuxInt(rotateRight64(c, d))
 16902  		v.AddArg(x)
 16903  		return true
 16904  	}
 16905  	return false
 16906  }
 16907  func rewriteValueARM64_OpARM64UBFIZ(v *Value) bool {
 16908  	v_0 := v.Args[0]
 16909  	// match: (UBFIZ [bfc] (SLLconst [sc] x))
 16910  	// cond: sc < bfc.getARM64BFwidth()
 16911  	// result: (UBFIZ [armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth()-sc)] x)
 16912  	for {
 16913  		bfc := auxIntToArm64BitField(v.AuxInt)
 16914  		if v_0.Op != OpARM64SLLconst {
 16915  			break
 16916  		}
 16917  		sc := auxIntToInt64(v_0.AuxInt)
 16918  		x := v_0.Args[0]
 16919  		if !(sc < bfc.getARM64BFwidth()) {
 16920  			break
 16921  		}
 16922  		v.reset(OpARM64UBFIZ)
 16923  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth()-sc))
 16924  		v.AddArg(x)
 16925  		return true
 16926  	}
 16927  	return false
 16928  }
 16929  func rewriteValueARM64_OpARM64UBFX(v *Value) bool {
 16930  	v_0 := v.Args[0]
 16931  	// match: (UBFX [bfc] (ANDconst [c] x))
 16932  	// cond: isARM64BFMask(0, c, 0) && bfc.getARM64BFlsb() + bfc.getARM64BFwidth() <= arm64BFWidth(c, 0)
 16933  	// result: (UBFX [bfc] x)
 16934  	for {
 16935  		bfc := auxIntToArm64BitField(v.AuxInt)
 16936  		if v_0.Op != OpARM64ANDconst {
 16937  			break
 16938  		}
 16939  		c := auxIntToInt64(v_0.AuxInt)
 16940  		x := v_0.Args[0]
 16941  		if !(isARM64BFMask(0, c, 0) && bfc.getARM64BFlsb()+bfc.getARM64BFwidth() <= arm64BFWidth(c, 0)) {
 16942  			break
 16943  		}
 16944  		v.reset(OpARM64UBFX)
 16945  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 16946  		v.AddArg(x)
 16947  		return true
 16948  	}
 16949  	// match: (UBFX [bfc] (SRLconst [sc] x))
 16950  	// cond: sc+bfc.getARM64BFwidth()+bfc.getARM64BFlsb() < 64
 16951  	// result: (UBFX [armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth())] x)
 16952  	for {
 16953  		bfc := auxIntToArm64BitField(v.AuxInt)
 16954  		if v_0.Op != OpARM64SRLconst {
 16955  			break
 16956  		}
 16957  		sc := auxIntToInt64(v_0.AuxInt)
 16958  		x := v_0.Args[0]
 16959  		if !(sc+bfc.getARM64BFwidth()+bfc.getARM64BFlsb() < 64) {
 16960  			break
 16961  		}
 16962  		v.reset(OpARM64UBFX)
 16963  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth()))
 16964  		v.AddArg(x)
 16965  		return true
 16966  	}
 16967  	// match: (UBFX [bfc] (SLLconst [sc] x))
 16968  	// cond: sc == bfc.getARM64BFlsb()
 16969  	// result: (ANDconst [1<<uint(bfc.getARM64BFwidth())-1] x)
 16970  	for {
 16971  		bfc := auxIntToArm64BitField(v.AuxInt)
 16972  		if v_0.Op != OpARM64SLLconst {
 16973  			break
 16974  		}
 16975  		sc := auxIntToInt64(v_0.AuxInt)
 16976  		x := v_0.Args[0]
 16977  		if !(sc == bfc.getARM64BFlsb()) {
 16978  			break
 16979  		}
 16980  		v.reset(OpARM64ANDconst)
 16981  		v.AuxInt = int64ToAuxInt(1<<uint(bfc.getARM64BFwidth()) - 1)
 16982  		v.AddArg(x)
 16983  		return true
 16984  	}
 16985  	// match: (UBFX [bfc] (SLLconst [sc] x))
 16986  	// cond: sc < bfc.getARM64BFlsb()
 16987  	// result: (UBFX [armBFAuxInt(bfc.getARM64BFlsb()-sc, bfc.getARM64BFwidth())] x)
 16988  	for {
 16989  		bfc := auxIntToArm64BitField(v.AuxInt)
 16990  		if v_0.Op != OpARM64SLLconst {
 16991  			break
 16992  		}
 16993  		sc := auxIntToInt64(v_0.AuxInt)
 16994  		x := v_0.Args[0]
 16995  		if !(sc < bfc.getARM64BFlsb()) {
 16996  			break
 16997  		}
 16998  		v.reset(OpARM64UBFX)
 16999  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()-sc, bfc.getARM64BFwidth()))
 17000  		v.AddArg(x)
 17001  		return true
 17002  	}
 17003  	// match: (UBFX [bfc] (SLLconst [sc] x))
 17004  	// cond: sc > bfc.getARM64BFlsb() && sc < bfc.getARM64BFlsb()+bfc.getARM64BFwidth()
 17005  	// result: (UBFIZ [armBFAuxInt(sc-bfc.getARM64BFlsb(), bfc.getARM64BFlsb()+bfc.getARM64BFwidth()-sc)] x)
 17006  	for {
 17007  		bfc := auxIntToArm64BitField(v.AuxInt)
 17008  		if v_0.Op != OpARM64SLLconst {
 17009  			break
 17010  		}
 17011  		sc := auxIntToInt64(v_0.AuxInt)
 17012  		x := v_0.Args[0]
 17013  		if !(sc > bfc.getARM64BFlsb() && sc < bfc.getARM64BFlsb()+bfc.getARM64BFwidth()) {
 17014  			break
 17015  		}
 17016  		v.reset(OpARM64UBFIZ)
 17017  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc-bfc.getARM64BFlsb(), bfc.getARM64BFlsb()+bfc.getARM64BFwidth()-sc))
 17018  		v.AddArg(x)
 17019  		return true
 17020  	}
 17021  	return false
 17022  }
 17023  func rewriteValueARM64_OpARM64UDIV(v *Value) bool {
 17024  	v_1 := v.Args[1]
 17025  	v_0 := v.Args[0]
 17026  	// match: (UDIV x (MOVDconst [1]))
 17027  	// result: x
 17028  	for {
 17029  		x := v_0
 17030  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 17031  			break
 17032  		}
 17033  		v.copyOf(x)
 17034  		return true
 17035  	}
 17036  	// match: (UDIV x (MOVDconst [c]))
 17037  	// cond: isPowerOfTwo64(c)
 17038  	// result: (SRLconst [log64(c)] x)
 17039  	for {
 17040  		x := v_0
 17041  		if v_1.Op != OpARM64MOVDconst {
 17042  			break
 17043  		}
 17044  		c := auxIntToInt64(v_1.AuxInt)
 17045  		if !(isPowerOfTwo64(c)) {
 17046  			break
 17047  		}
 17048  		v.reset(OpARM64SRLconst)
 17049  		v.AuxInt = int64ToAuxInt(log64(c))
 17050  		v.AddArg(x)
 17051  		return true
 17052  	}
 17053  	// match: (UDIV (MOVDconst [c]) (MOVDconst [d]))
 17054  	// cond: d != 0
 17055  	// result: (MOVDconst [int64(uint64(c)/uint64(d))])
 17056  	for {
 17057  		if v_0.Op != OpARM64MOVDconst {
 17058  			break
 17059  		}
 17060  		c := auxIntToInt64(v_0.AuxInt)
 17061  		if v_1.Op != OpARM64MOVDconst {
 17062  			break
 17063  		}
 17064  		d := auxIntToInt64(v_1.AuxInt)
 17065  		if !(d != 0) {
 17066  			break
 17067  		}
 17068  		v.reset(OpARM64MOVDconst)
 17069  		v.AuxInt = int64ToAuxInt(int64(uint64(c) / uint64(d)))
 17070  		return true
 17071  	}
 17072  	return false
 17073  }
 17074  func rewriteValueARM64_OpARM64UDIVW(v *Value) bool {
 17075  	v_1 := v.Args[1]
 17076  	v_0 := v.Args[0]
 17077  	b := v.Block
 17078  	// match: (UDIVW x (MOVDconst [c]))
 17079  	// cond: uint32(c)==1
 17080  	// result: (MOVWUreg x)
 17081  	for {
 17082  		x := v_0
 17083  		if v_1.Op != OpARM64MOVDconst {
 17084  			break
 17085  		}
 17086  		c := auxIntToInt64(v_1.AuxInt)
 17087  		if !(uint32(c) == 1) {
 17088  			break
 17089  		}
 17090  		v.reset(OpARM64MOVWUreg)
 17091  		v.AddArg(x)
 17092  		return true
 17093  	}
 17094  	// match: (UDIVW x (MOVDconst [c]))
 17095  	// cond: isPowerOfTwo64(c) && is32Bit(c)
 17096  	// result: (SRLconst [log64(c)] (MOVWUreg <v.Type> x))
 17097  	for {
 17098  		x := v_0
 17099  		if v_1.Op != OpARM64MOVDconst {
 17100  			break
 17101  		}
 17102  		c := auxIntToInt64(v_1.AuxInt)
 17103  		if !(isPowerOfTwo64(c) && is32Bit(c)) {
 17104  			break
 17105  		}
 17106  		v.reset(OpARM64SRLconst)
 17107  		v.AuxInt = int64ToAuxInt(log64(c))
 17108  		v0 := b.NewValue0(v.Pos, OpARM64MOVWUreg, v.Type)
 17109  		v0.AddArg(x)
 17110  		v.AddArg(v0)
 17111  		return true
 17112  	}
 17113  	// match: (UDIVW (MOVDconst [c]) (MOVDconst [d]))
 17114  	// cond: d != 0
 17115  	// result: (MOVDconst [int64(uint32(c)/uint32(d))])
 17116  	for {
 17117  		if v_0.Op != OpARM64MOVDconst {
 17118  			break
 17119  		}
 17120  		c := auxIntToInt64(v_0.AuxInt)
 17121  		if v_1.Op != OpARM64MOVDconst {
 17122  			break
 17123  		}
 17124  		d := auxIntToInt64(v_1.AuxInt)
 17125  		if !(d != 0) {
 17126  			break
 17127  		}
 17128  		v.reset(OpARM64MOVDconst)
 17129  		v.AuxInt = int64ToAuxInt(int64(uint32(c) / uint32(d)))
 17130  		return true
 17131  	}
 17132  	return false
 17133  }
 17134  func rewriteValueARM64_OpARM64UMOD(v *Value) bool {
 17135  	v_1 := v.Args[1]
 17136  	v_0 := v.Args[0]
 17137  	b := v.Block
 17138  	typ := &b.Func.Config.Types
 17139  	// match: (UMOD <typ.UInt64> x y)
 17140  	// result: (MSUB <typ.UInt64> x y (UDIV <typ.UInt64> x y))
 17141  	for {
 17142  		if v.Type != typ.UInt64 {
 17143  			break
 17144  		}
 17145  		x := v_0
 17146  		y := v_1
 17147  		v.reset(OpARM64MSUB)
 17148  		v.Type = typ.UInt64
 17149  		v0 := b.NewValue0(v.Pos, OpARM64UDIV, typ.UInt64)
 17150  		v0.AddArg2(x, y)
 17151  		v.AddArg3(x, y, v0)
 17152  		return true
 17153  	}
 17154  	// match: (UMOD _ (MOVDconst [1]))
 17155  	// result: (MOVDconst [0])
 17156  	for {
 17157  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 17158  			break
 17159  		}
 17160  		v.reset(OpARM64MOVDconst)
 17161  		v.AuxInt = int64ToAuxInt(0)
 17162  		return true
 17163  	}
 17164  	// match: (UMOD x (MOVDconst [c]))
 17165  	// cond: isPowerOfTwo64(c)
 17166  	// result: (ANDconst [c-1] x)
 17167  	for {
 17168  		x := v_0
 17169  		if v_1.Op != OpARM64MOVDconst {
 17170  			break
 17171  		}
 17172  		c := auxIntToInt64(v_1.AuxInt)
 17173  		if !(isPowerOfTwo64(c)) {
 17174  			break
 17175  		}
 17176  		v.reset(OpARM64ANDconst)
 17177  		v.AuxInt = int64ToAuxInt(c - 1)
 17178  		v.AddArg(x)
 17179  		return true
 17180  	}
 17181  	// match: (UMOD (MOVDconst [c]) (MOVDconst [d]))
 17182  	// cond: d != 0
 17183  	// result: (MOVDconst [int64(uint64(c)%uint64(d))])
 17184  	for {
 17185  		if v_0.Op != OpARM64MOVDconst {
 17186  			break
 17187  		}
 17188  		c := auxIntToInt64(v_0.AuxInt)
 17189  		if v_1.Op != OpARM64MOVDconst {
 17190  			break
 17191  		}
 17192  		d := auxIntToInt64(v_1.AuxInt)
 17193  		if !(d != 0) {
 17194  			break
 17195  		}
 17196  		v.reset(OpARM64MOVDconst)
 17197  		v.AuxInt = int64ToAuxInt(int64(uint64(c) % uint64(d)))
 17198  		return true
 17199  	}
 17200  	return false
 17201  }
 17202  func rewriteValueARM64_OpARM64UMODW(v *Value) bool {
 17203  	v_1 := v.Args[1]
 17204  	v_0 := v.Args[0]
 17205  	b := v.Block
 17206  	typ := &b.Func.Config.Types
 17207  	// match: (UMODW <typ.UInt32> x y)
 17208  	// result: (MSUBW <typ.UInt32> x y (UDIVW <typ.UInt32> x y))
 17209  	for {
 17210  		if v.Type != typ.UInt32 {
 17211  			break
 17212  		}
 17213  		x := v_0
 17214  		y := v_1
 17215  		v.reset(OpARM64MSUBW)
 17216  		v.Type = typ.UInt32
 17217  		v0 := b.NewValue0(v.Pos, OpARM64UDIVW, typ.UInt32)
 17218  		v0.AddArg2(x, y)
 17219  		v.AddArg3(x, y, v0)
 17220  		return true
 17221  	}
 17222  	// match: (UMODW _ (MOVDconst [c]))
 17223  	// cond: uint32(c)==1
 17224  	// result: (MOVDconst [0])
 17225  	for {
 17226  		if v_1.Op != OpARM64MOVDconst {
 17227  			break
 17228  		}
 17229  		c := auxIntToInt64(v_1.AuxInt)
 17230  		if !(uint32(c) == 1) {
 17231  			break
 17232  		}
 17233  		v.reset(OpARM64MOVDconst)
 17234  		v.AuxInt = int64ToAuxInt(0)
 17235  		return true
 17236  	}
 17237  	// match: (UMODW x (MOVDconst [c]))
 17238  	// cond: isPowerOfTwo64(c) && is32Bit(c)
 17239  	// result: (ANDconst [c-1] x)
 17240  	for {
 17241  		x := v_0
 17242  		if v_1.Op != OpARM64MOVDconst {
 17243  			break
 17244  		}
 17245  		c := auxIntToInt64(v_1.AuxInt)
 17246  		if !(isPowerOfTwo64(c) && is32Bit(c)) {
 17247  			break
 17248  		}
 17249  		v.reset(OpARM64ANDconst)
 17250  		v.AuxInt = int64ToAuxInt(c - 1)
 17251  		v.AddArg(x)
 17252  		return true
 17253  	}
 17254  	// match: (UMODW (MOVDconst [c]) (MOVDconst [d]))
 17255  	// cond: d != 0
 17256  	// result: (MOVDconst [int64(uint32(c)%uint32(d))])
 17257  	for {
 17258  		if v_0.Op != OpARM64MOVDconst {
 17259  			break
 17260  		}
 17261  		c := auxIntToInt64(v_0.AuxInt)
 17262  		if v_1.Op != OpARM64MOVDconst {
 17263  			break
 17264  		}
 17265  		d := auxIntToInt64(v_1.AuxInt)
 17266  		if !(d != 0) {
 17267  			break
 17268  		}
 17269  		v.reset(OpARM64MOVDconst)
 17270  		v.AuxInt = int64ToAuxInt(int64(uint32(c) % uint32(d)))
 17271  		return true
 17272  	}
 17273  	return false
 17274  }
 17275  func rewriteValueARM64_OpARM64XOR(v *Value) bool {
 17276  	v_1 := v.Args[1]
 17277  	v_0 := v.Args[0]
 17278  	// match: (XOR x (MOVDconst [c]))
 17279  	// result: (XORconst [c] x)
 17280  	for {
 17281  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17282  			x := v_0
 17283  			if v_1.Op != OpARM64MOVDconst {
 17284  				continue
 17285  			}
 17286  			c := auxIntToInt64(v_1.AuxInt)
 17287  			v.reset(OpARM64XORconst)
 17288  			v.AuxInt = int64ToAuxInt(c)
 17289  			v.AddArg(x)
 17290  			return true
 17291  		}
 17292  		break
 17293  	}
 17294  	// match: (XOR x x)
 17295  	// result: (MOVDconst [0])
 17296  	for {
 17297  		x := v_0
 17298  		if x != v_1 {
 17299  			break
 17300  		}
 17301  		v.reset(OpARM64MOVDconst)
 17302  		v.AuxInt = int64ToAuxInt(0)
 17303  		return true
 17304  	}
 17305  	// match: (XOR x (MVN y))
 17306  	// result: (EON x y)
 17307  	for {
 17308  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17309  			x := v_0
 17310  			if v_1.Op != OpARM64MVN {
 17311  				continue
 17312  			}
 17313  			y := v_1.Args[0]
 17314  			v.reset(OpARM64EON)
 17315  			v.AddArg2(x, y)
 17316  			return true
 17317  		}
 17318  		break
 17319  	}
 17320  	// match: (XOR x0 x1:(SLLconst [c] y))
 17321  	// cond: clobberIfDead(x1)
 17322  	// result: (XORshiftLL x0 y [c])
 17323  	for {
 17324  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17325  			x0 := v_0
 17326  			x1 := v_1
 17327  			if x1.Op != OpARM64SLLconst {
 17328  				continue
 17329  			}
 17330  			c := auxIntToInt64(x1.AuxInt)
 17331  			y := x1.Args[0]
 17332  			if !(clobberIfDead(x1)) {
 17333  				continue
 17334  			}
 17335  			v.reset(OpARM64XORshiftLL)
 17336  			v.AuxInt = int64ToAuxInt(c)
 17337  			v.AddArg2(x0, y)
 17338  			return true
 17339  		}
 17340  		break
 17341  	}
 17342  	// match: (XOR x0 x1:(SRLconst [c] y))
 17343  	// cond: clobberIfDead(x1)
 17344  	// result: (XORshiftRL x0 y [c])
 17345  	for {
 17346  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17347  			x0 := v_0
 17348  			x1 := v_1
 17349  			if x1.Op != OpARM64SRLconst {
 17350  				continue
 17351  			}
 17352  			c := auxIntToInt64(x1.AuxInt)
 17353  			y := x1.Args[0]
 17354  			if !(clobberIfDead(x1)) {
 17355  				continue
 17356  			}
 17357  			v.reset(OpARM64XORshiftRL)
 17358  			v.AuxInt = int64ToAuxInt(c)
 17359  			v.AddArg2(x0, y)
 17360  			return true
 17361  		}
 17362  		break
 17363  	}
 17364  	// match: (XOR x0 x1:(SRAconst [c] y))
 17365  	// cond: clobberIfDead(x1)
 17366  	// result: (XORshiftRA x0 y [c])
 17367  	for {
 17368  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17369  			x0 := v_0
 17370  			x1 := v_1
 17371  			if x1.Op != OpARM64SRAconst {
 17372  				continue
 17373  			}
 17374  			c := auxIntToInt64(x1.AuxInt)
 17375  			y := x1.Args[0]
 17376  			if !(clobberIfDead(x1)) {
 17377  				continue
 17378  			}
 17379  			v.reset(OpARM64XORshiftRA)
 17380  			v.AuxInt = int64ToAuxInt(c)
 17381  			v.AddArg2(x0, y)
 17382  			return true
 17383  		}
 17384  		break
 17385  	}
 17386  	// match: (XOR x0 x1:(RORconst [c] y))
 17387  	// cond: clobberIfDead(x1)
 17388  	// result: (XORshiftRO x0 y [c])
 17389  	for {
 17390  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17391  			x0 := v_0
 17392  			x1 := v_1
 17393  			if x1.Op != OpARM64RORconst {
 17394  				continue
 17395  			}
 17396  			c := auxIntToInt64(x1.AuxInt)
 17397  			y := x1.Args[0]
 17398  			if !(clobberIfDead(x1)) {
 17399  				continue
 17400  			}
 17401  			v.reset(OpARM64XORshiftRO)
 17402  			v.AuxInt = int64ToAuxInt(c)
 17403  			v.AddArg2(x0, y)
 17404  			return true
 17405  		}
 17406  		break
 17407  	}
 17408  	return false
 17409  }
 17410  func rewriteValueARM64_OpARM64XORconst(v *Value) bool {
 17411  	v_0 := v.Args[0]
 17412  	// match: (XORconst [0] x)
 17413  	// result: x
 17414  	for {
 17415  		if auxIntToInt64(v.AuxInt) != 0 {
 17416  			break
 17417  		}
 17418  		x := v_0
 17419  		v.copyOf(x)
 17420  		return true
 17421  	}
 17422  	// match: (XORconst [-1] x)
 17423  	// result: (MVN x)
 17424  	for {
 17425  		if auxIntToInt64(v.AuxInt) != -1 {
 17426  			break
 17427  		}
 17428  		x := v_0
 17429  		v.reset(OpARM64MVN)
 17430  		v.AddArg(x)
 17431  		return true
 17432  	}
 17433  	// match: (XORconst [c] (MOVDconst [d]))
 17434  	// result: (MOVDconst [c^d])
 17435  	for {
 17436  		c := auxIntToInt64(v.AuxInt)
 17437  		if v_0.Op != OpARM64MOVDconst {
 17438  			break
 17439  		}
 17440  		d := auxIntToInt64(v_0.AuxInt)
 17441  		v.reset(OpARM64MOVDconst)
 17442  		v.AuxInt = int64ToAuxInt(c ^ d)
 17443  		return true
 17444  	}
 17445  	// match: (XORconst [c] (XORconst [d] x))
 17446  	// result: (XORconst [c^d] x)
 17447  	for {
 17448  		c := auxIntToInt64(v.AuxInt)
 17449  		if v_0.Op != OpARM64XORconst {
 17450  			break
 17451  		}
 17452  		d := auxIntToInt64(v_0.AuxInt)
 17453  		x := v_0.Args[0]
 17454  		v.reset(OpARM64XORconst)
 17455  		v.AuxInt = int64ToAuxInt(c ^ d)
 17456  		v.AddArg(x)
 17457  		return true
 17458  	}
 17459  	return false
 17460  }
 17461  func rewriteValueARM64_OpARM64XORshiftLL(v *Value) bool {
 17462  	v_1 := v.Args[1]
 17463  	v_0 := v.Args[0]
 17464  	b := v.Block
 17465  	typ := &b.Func.Config.Types
 17466  	// match: (XORshiftLL (MOVDconst [c]) x [d])
 17467  	// result: (XORconst [c] (SLLconst <x.Type> x [d]))
 17468  	for {
 17469  		d := auxIntToInt64(v.AuxInt)
 17470  		if v_0.Op != OpARM64MOVDconst {
 17471  			break
 17472  		}
 17473  		c := auxIntToInt64(v_0.AuxInt)
 17474  		x := v_1
 17475  		v.reset(OpARM64XORconst)
 17476  		v.AuxInt = int64ToAuxInt(c)
 17477  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 17478  		v0.AuxInt = int64ToAuxInt(d)
 17479  		v0.AddArg(x)
 17480  		v.AddArg(v0)
 17481  		return true
 17482  	}
 17483  	// match: (XORshiftLL x (MOVDconst [c]) [d])
 17484  	// result: (XORconst x [int64(uint64(c)<<uint64(d))])
 17485  	for {
 17486  		d := auxIntToInt64(v.AuxInt)
 17487  		x := v_0
 17488  		if v_1.Op != OpARM64MOVDconst {
 17489  			break
 17490  		}
 17491  		c := auxIntToInt64(v_1.AuxInt)
 17492  		v.reset(OpARM64XORconst)
 17493  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
 17494  		v.AddArg(x)
 17495  		return true
 17496  	}
 17497  	// match: (XORshiftLL (SLLconst x [c]) x [c])
 17498  	// result: (MOVDconst [0])
 17499  	for {
 17500  		c := auxIntToInt64(v.AuxInt)
 17501  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
 17502  			break
 17503  		}
 17504  		x := v_0.Args[0]
 17505  		if x != v_1 {
 17506  			break
 17507  		}
 17508  		v.reset(OpARM64MOVDconst)
 17509  		v.AuxInt = int64ToAuxInt(0)
 17510  		return true
 17511  	}
 17512  	// match: (XORshiftLL <typ.UInt16> [8] (UBFX <typ.UInt16> [armBFAuxInt(8, 8)] x) x)
 17513  	// result: (REV16W x)
 17514  	for {
 17515  		if v.Type != typ.UInt16 || auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || v_0.Type != typ.UInt16 || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 8) {
 17516  			break
 17517  		}
 17518  		x := v_0.Args[0]
 17519  		if x != v_1 {
 17520  			break
 17521  		}
 17522  		v.reset(OpARM64REV16W)
 17523  		v.AddArg(x)
 17524  		return true
 17525  	}
 17526  	// match: (XORshiftLL [8] (UBFX [armBFAuxInt(8, 24)] (ANDconst [c1] x)) (ANDconst [c2] x))
 17527  	// cond: uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff
 17528  	// result: (REV16W x)
 17529  	for {
 17530  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 24) {
 17531  			break
 17532  		}
 17533  		v_0_0 := v_0.Args[0]
 17534  		if v_0_0.Op != OpARM64ANDconst {
 17535  			break
 17536  		}
 17537  		c1 := auxIntToInt64(v_0_0.AuxInt)
 17538  		x := v_0_0.Args[0]
 17539  		if v_1.Op != OpARM64ANDconst {
 17540  			break
 17541  		}
 17542  		c2 := auxIntToInt64(v_1.AuxInt)
 17543  		if x != v_1.Args[0] || !(uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff) {
 17544  			break
 17545  		}
 17546  		v.reset(OpARM64REV16W)
 17547  		v.AddArg(x)
 17548  		return true
 17549  	}
 17550  	// match: (XORshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
 17551  	// cond: (uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff)
 17552  	// result: (REV16 x)
 17553  	for {
 17554  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
 17555  			break
 17556  		}
 17557  		v_0_0 := v_0.Args[0]
 17558  		if v_0_0.Op != OpARM64ANDconst {
 17559  			break
 17560  		}
 17561  		c1 := auxIntToInt64(v_0_0.AuxInt)
 17562  		x := v_0_0.Args[0]
 17563  		if v_1.Op != OpARM64ANDconst {
 17564  			break
 17565  		}
 17566  		c2 := auxIntToInt64(v_1.AuxInt)
 17567  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff) {
 17568  			break
 17569  		}
 17570  		v.reset(OpARM64REV16)
 17571  		v.AddArg(x)
 17572  		return true
 17573  	}
 17574  	// match: (XORshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
 17575  	// cond: (uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff)
 17576  	// result: (REV16 (ANDconst <x.Type> [0xffffffff] x))
 17577  	for {
 17578  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
 17579  			break
 17580  		}
 17581  		v_0_0 := v_0.Args[0]
 17582  		if v_0_0.Op != OpARM64ANDconst {
 17583  			break
 17584  		}
 17585  		c1 := auxIntToInt64(v_0_0.AuxInt)
 17586  		x := v_0_0.Args[0]
 17587  		if v_1.Op != OpARM64ANDconst {
 17588  			break
 17589  		}
 17590  		c2 := auxIntToInt64(v_1.AuxInt)
 17591  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff) {
 17592  			break
 17593  		}
 17594  		v.reset(OpARM64REV16)
 17595  		v0 := b.NewValue0(v.Pos, OpARM64ANDconst, x.Type)
 17596  		v0.AuxInt = int64ToAuxInt(0xffffffff)
 17597  		v0.AddArg(x)
 17598  		v.AddArg(v0)
 17599  		return true
 17600  	}
 17601  	// match: (XORshiftLL [c] (SRLconst x [64-c]) x2)
 17602  	// result: (EXTRconst [64-c] x2 x)
 17603  	for {
 17604  		c := auxIntToInt64(v.AuxInt)
 17605  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 64-c {
 17606  			break
 17607  		}
 17608  		x := v_0.Args[0]
 17609  		x2 := v_1
 17610  		v.reset(OpARM64EXTRconst)
 17611  		v.AuxInt = int64ToAuxInt(64 - c)
 17612  		v.AddArg2(x2, x)
 17613  		return true
 17614  	}
 17615  	// match: (XORshiftLL <t> [c] (UBFX [bfc] x) x2)
 17616  	// cond: c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)
 17617  	// result: (EXTRWconst [32-c] x2 x)
 17618  	for {
 17619  		t := v.Type
 17620  		c := auxIntToInt64(v.AuxInt)
 17621  		if v_0.Op != OpARM64UBFX {
 17622  			break
 17623  		}
 17624  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 17625  		x := v_0.Args[0]
 17626  		x2 := v_1
 17627  		if !(c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)) {
 17628  			break
 17629  		}
 17630  		v.reset(OpARM64EXTRWconst)
 17631  		v.AuxInt = int64ToAuxInt(32 - c)
 17632  		v.AddArg2(x2, x)
 17633  		return true
 17634  	}
 17635  	return false
 17636  }
 17637  func rewriteValueARM64_OpARM64XORshiftRA(v *Value) bool {
 17638  	v_1 := v.Args[1]
 17639  	v_0 := v.Args[0]
 17640  	b := v.Block
 17641  	// match: (XORshiftRA (MOVDconst [c]) x [d])
 17642  	// result: (XORconst [c] (SRAconst <x.Type> x [d]))
 17643  	for {
 17644  		d := auxIntToInt64(v.AuxInt)
 17645  		if v_0.Op != OpARM64MOVDconst {
 17646  			break
 17647  		}
 17648  		c := auxIntToInt64(v_0.AuxInt)
 17649  		x := v_1
 17650  		v.reset(OpARM64XORconst)
 17651  		v.AuxInt = int64ToAuxInt(c)
 17652  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
 17653  		v0.AuxInt = int64ToAuxInt(d)
 17654  		v0.AddArg(x)
 17655  		v.AddArg(v0)
 17656  		return true
 17657  	}
 17658  	// match: (XORshiftRA x (MOVDconst [c]) [d])
 17659  	// result: (XORconst x [c>>uint64(d)])
 17660  	for {
 17661  		d := auxIntToInt64(v.AuxInt)
 17662  		x := v_0
 17663  		if v_1.Op != OpARM64MOVDconst {
 17664  			break
 17665  		}
 17666  		c := auxIntToInt64(v_1.AuxInt)
 17667  		v.reset(OpARM64XORconst)
 17668  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
 17669  		v.AddArg(x)
 17670  		return true
 17671  	}
 17672  	// match: (XORshiftRA (SRAconst x [c]) x [c])
 17673  	// result: (MOVDconst [0])
 17674  	for {
 17675  		c := auxIntToInt64(v.AuxInt)
 17676  		if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c {
 17677  			break
 17678  		}
 17679  		x := v_0.Args[0]
 17680  		if x != v_1 {
 17681  			break
 17682  		}
 17683  		v.reset(OpARM64MOVDconst)
 17684  		v.AuxInt = int64ToAuxInt(0)
 17685  		return true
 17686  	}
 17687  	return false
 17688  }
 17689  func rewriteValueARM64_OpARM64XORshiftRL(v *Value) bool {
 17690  	v_1 := v.Args[1]
 17691  	v_0 := v.Args[0]
 17692  	b := v.Block
 17693  	// match: (XORshiftRL (MOVDconst [c]) x [d])
 17694  	// result: (XORconst [c] (SRLconst <x.Type> x [d]))
 17695  	for {
 17696  		d := auxIntToInt64(v.AuxInt)
 17697  		if v_0.Op != OpARM64MOVDconst {
 17698  			break
 17699  		}
 17700  		c := auxIntToInt64(v_0.AuxInt)
 17701  		x := v_1
 17702  		v.reset(OpARM64XORconst)
 17703  		v.AuxInt = int64ToAuxInt(c)
 17704  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
 17705  		v0.AuxInt = int64ToAuxInt(d)
 17706  		v0.AddArg(x)
 17707  		v.AddArg(v0)
 17708  		return true
 17709  	}
 17710  	// match: (XORshiftRL x (MOVDconst [c]) [d])
 17711  	// result: (XORconst x [int64(uint64(c)>>uint64(d))])
 17712  	for {
 17713  		d := auxIntToInt64(v.AuxInt)
 17714  		x := v_0
 17715  		if v_1.Op != OpARM64MOVDconst {
 17716  			break
 17717  		}
 17718  		c := auxIntToInt64(v_1.AuxInt)
 17719  		v.reset(OpARM64XORconst)
 17720  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
 17721  		v.AddArg(x)
 17722  		return true
 17723  	}
 17724  	// match: (XORshiftRL (SRLconst x [c]) x [c])
 17725  	// result: (MOVDconst [0])
 17726  	for {
 17727  		c := auxIntToInt64(v.AuxInt)
 17728  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
 17729  			break
 17730  		}
 17731  		x := v_0.Args[0]
 17732  		if x != v_1 {
 17733  			break
 17734  		}
 17735  		v.reset(OpARM64MOVDconst)
 17736  		v.AuxInt = int64ToAuxInt(0)
 17737  		return true
 17738  	}
 17739  	return false
 17740  }
 17741  func rewriteValueARM64_OpARM64XORshiftRO(v *Value) bool {
 17742  	v_1 := v.Args[1]
 17743  	v_0 := v.Args[0]
 17744  	b := v.Block
 17745  	// match: (XORshiftRO (MOVDconst [c]) x [d])
 17746  	// result: (XORconst [c] (RORconst <x.Type> x [d]))
 17747  	for {
 17748  		d := auxIntToInt64(v.AuxInt)
 17749  		if v_0.Op != OpARM64MOVDconst {
 17750  			break
 17751  		}
 17752  		c := auxIntToInt64(v_0.AuxInt)
 17753  		x := v_1
 17754  		v.reset(OpARM64XORconst)
 17755  		v.AuxInt = int64ToAuxInt(c)
 17756  		v0 := b.NewValue0(v.Pos, OpARM64RORconst, x.Type)
 17757  		v0.AuxInt = int64ToAuxInt(d)
 17758  		v0.AddArg(x)
 17759  		v.AddArg(v0)
 17760  		return true
 17761  	}
 17762  	// match: (XORshiftRO x (MOVDconst [c]) [d])
 17763  	// result: (XORconst x [rotateRight64(c, d)])
 17764  	for {
 17765  		d := auxIntToInt64(v.AuxInt)
 17766  		x := v_0
 17767  		if v_1.Op != OpARM64MOVDconst {
 17768  			break
 17769  		}
 17770  		c := auxIntToInt64(v_1.AuxInt)
 17771  		v.reset(OpARM64XORconst)
 17772  		v.AuxInt = int64ToAuxInt(rotateRight64(c, d))
 17773  		v.AddArg(x)
 17774  		return true
 17775  	}
 17776  	// match: (XORshiftRO (RORconst x [c]) x [c])
 17777  	// result: (MOVDconst [0])
 17778  	for {
 17779  		c := auxIntToInt64(v.AuxInt)
 17780  		if v_0.Op != OpARM64RORconst || auxIntToInt64(v_0.AuxInt) != c {
 17781  			break
 17782  		}
 17783  		x := v_0.Args[0]
 17784  		if x != v_1 {
 17785  			break
 17786  		}
 17787  		v.reset(OpARM64MOVDconst)
 17788  		v.AuxInt = int64ToAuxInt(0)
 17789  		return true
 17790  	}
 17791  	return false
 17792  }
 17793  func rewriteValueARM64_OpAddr(v *Value) bool {
 17794  	v_0 := v.Args[0]
 17795  	// match: (Addr {sym} base)
 17796  	// result: (MOVDaddr {sym} base)
 17797  	for {
 17798  		sym := auxToSym(v.Aux)
 17799  		base := v_0
 17800  		v.reset(OpARM64MOVDaddr)
 17801  		v.Aux = symToAux(sym)
 17802  		v.AddArg(base)
 17803  		return true
 17804  	}
 17805  }
 17806  func rewriteValueARM64_OpAvg64u(v *Value) bool {
 17807  	v_1 := v.Args[1]
 17808  	v_0 := v.Args[0]
 17809  	b := v.Block
 17810  	// match: (Avg64u <t> x y)
 17811  	// result: (ADD (SRLconst <t> (SUB <t> x y) [1]) y)
 17812  	for {
 17813  		t := v.Type
 17814  		x := v_0
 17815  		y := v_1
 17816  		v.reset(OpARM64ADD)
 17817  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, t)
 17818  		v0.AuxInt = int64ToAuxInt(1)
 17819  		v1 := b.NewValue0(v.Pos, OpARM64SUB, t)
 17820  		v1.AddArg2(x, y)
 17821  		v0.AddArg(v1)
 17822  		v.AddArg2(v0, y)
 17823  		return true
 17824  	}
 17825  }
 17826  func rewriteValueARM64_OpBitLen32(v *Value) bool {
 17827  	v_0 := v.Args[0]
 17828  	b := v.Block
 17829  	typ := &b.Func.Config.Types
 17830  	// match: (BitLen32 x)
 17831  	// result: (SUB (MOVDconst [32]) (CLZW <typ.Int> x))
 17832  	for {
 17833  		x := v_0
 17834  		v.reset(OpARM64SUB)
 17835  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 17836  		v0.AuxInt = int64ToAuxInt(32)
 17837  		v1 := b.NewValue0(v.Pos, OpARM64CLZW, typ.Int)
 17838  		v1.AddArg(x)
 17839  		v.AddArg2(v0, v1)
 17840  		return true
 17841  	}
 17842  }
 17843  func rewriteValueARM64_OpBitLen64(v *Value) bool {
 17844  	v_0 := v.Args[0]
 17845  	b := v.Block
 17846  	typ := &b.Func.Config.Types
 17847  	// match: (BitLen64 x)
 17848  	// result: (SUB (MOVDconst [64]) (CLZ <typ.Int> x))
 17849  	for {
 17850  		x := v_0
 17851  		v.reset(OpARM64SUB)
 17852  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 17853  		v0.AuxInt = int64ToAuxInt(64)
 17854  		v1 := b.NewValue0(v.Pos, OpARM64CLZ, typ.Int)
 17855  		v1.AddArg(x)
 17856  		v.AddArg2(v0, v1)
 17857  		return true
 17858  	}
 17859  }
 17860  func rewriteValueARM64_OpBitRev16(v *Value) bool {
 17861  	v_0 := v.Args[0]
 17862  	b := v.Block
 17863  	typ := &b.Func.Config.Types
 17864  	// match: (BitRev16 x)
 17865  	// result: (SRLconst [48] (RBIT <typ.UInt64> x))
 17866  	for {
 17867  		x := v_0
 17868  		v.reset(OpARM64SRLconst)
 17869  		v.AuxInt = int64ToAuxInt(48)
 17870  		v0 := b.NewValue0(v.Pos, OpARM64RBIT, typ.UInt64)
 17871  		v0.AddArg(x)
 17872  		v.AddArg(v0)
 17873  		return true
 17874  	}
 17875  }
 17876  func rewriteValueARM64_OpBitRev8(v *Value) bool {
 17877  	v_0 := v.Args[0]
 17878  	b := v.Block
 17879  	typ := &b.Func.Config.Types
 17880  	// match: (BitRev8 x)
 17881  	// result: (SRLconst [56] (RBIT <typ.UInt64> x))
 17882  	for {
 17883  		x := v_0
 17884  		v.reset(OpARM64SRLconst)
 17885  		v.AuxInt = int64ToAuxInt(56)
 17886  		v0 := b.NewValue0(v.Pos, OpARM64RBIT, typ.UInt64)
 17887  		v0.AddArg(x)
 17888  		v.AddArg(v0)
 17889  		return true
 17890  	}
 17891  }
 17892  func rewriteValueARM64_OpCondSelect(v *Value) bool {
 17893  	v_2 := v.Args[2]
 17894  	v_1 := v.Args[1]
 17895  	v_0 := v.Args[0]
 17896  	b := v.Block
 17897  	// match: (CondSelect x y boolval)
 17898  	// cond: flagArg(boolval) != nil
 17899  	// result: (CSEL [boolval.Op] x y flagArg(boolval))
 17900  	for {
 17901  		x := v_0
 17902  		y := v_1
 17903  		boolval := v_2
 17904  		if !(flagArg(boolval) != nil) {
 17905  			break
 17906  		}
 17907  		v.reset(OpARM64CSEL)
 17908  		v.AuxInt = opToAuxInt(boolval.Op)
 17909  		v.AddArg3(x, y, flagArg(boolval))
 17910  		return true
 17911  	}
 17912  	// match: (CondSelect x y boolval)
 17913  	// cond: flagArg(boolval) == nil
 17914  	// result: (CSEL [OpARM64NotEqual] x y (TSTWconst [1] boolval))
 17915  	for {
 17916  		x := v_0
 17917  		y := v_1
 17918  		boolval := v_2
 17919  		if !(flagArg(boolval) == nil) {
 17920  			break
 17921  		}
 17922  		v.reset(OpARM64CSEL)
 17923  		v.AuxInt = opToAuxInt(OpARM64NotEqual)
 17924  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
 17925  		v0.AuxInt = int32ToAuxInt(1)
 17926  		v0.AddArg(boolval)
 17927  		v.AddArg3(x, y, v0)
 17928  		return true
 17929  	}
 17930  	return false
 17931  }
 17932  func rewriteValueARM64_OpConst16(v *Value) bool {
 17933  	// match: (Const16 [val])
 17934  	// result: (MOVDconst [int64(val)])
 17935  	for {
 17936  		val := auxIntToInt16(v.AuxInt)
 17937  		v.reset(OpARM64MOVDconst)
 17938  		v.AuxInt = int64ToAuxInt(int64(val))
 17939  		return true
 17940  	}
 17941  }
 17942  func rewriteValueARM64_OpConst32(v *Value) bool {
 17943  	// match: (Const32 [val])
 17944  	// result: (MOVDconst [int64(val)])
 17945  	for {
 17946  		val := auxIntToInt32(v.AuxInt)
 17947  		v.reset(OpARM64MOVDconst)
 17948  		v.AuxInt = int64ToAuxInt(int64(val))
 17949  		return true
 17950  	}
 17951  }
 17952  func rewriteValueARM64_OpConst32F(v *Value) bool {
 17953  	// match: (Const32F [val])
 17954  	// result: (FMOVSconst [float64(val)])
 17955  	for {
 17956  		val := auxIntToFloat32(v.AuxInt)
 17957  		v.reset(OpARM64FMOVSconst)
 17958  		v.AuxInt = float64ToAuxInt(float64(val))
 17959  		return true
 17960  	}
 17961  }
 17962  func rewriteValueARM64_OpConst64(v *Value) bool {
 17963  	// match: (Const64 [val])
 17964  	// result: (MOVDconst [int64(val)])
 17965  	for {
 17966  		val := auxIntToInt64(v.AuxInt)
 17967  		v.reset(OpARM64MOVDconst)
 17968  		v.AuxInt = int64ToAuxInt(int64(val))
 17969  		return true
 17970  	}
 17971  }
 17972  func rewriteValueARM64_OpConst64F(v *Value) bool {
 17973  	// match: (Const64F [val])
 17974  	// result: (FMOVDconst [float64(val)])
 17975  	for {
 17976  		val := auxIntToFloat64(v.AuxInt)
 17977  		v.reset(OpARM64FMOVDconst)
 17978  		v.AuxInt = float64ToAuxInt(float64(val))
 17979  		return true
 17980  	}
 17981  }
 17982  func rewriteValueARM64_OpConst8(v *Value) bool {
 17983  	// match: (Const8 [val])
 17984  	// result: (MOVDconst [int64(val)])
 17985  	for {
 17986  		val := auxIntToInt8(v.AuxInt)
 17987  		v.reset(OpARM64MOVDconst)
 17988  		v.AuxInt = int64ToAuxInt(int64(val))
 17989  		return true
 17990  	}
 17991  }
 17992  func rewriteValueARM64_OpConstBool(v *Value) bool {
 17993  	// match: (ConstBool [t])
 17994  	// result: (MOVDconst [b2i(t)])
 17995  	for {
 17996  		t := auxIntToBool(v.AuxInt)
 17997  		v.reset(OpARM64MOVDconst)
 17998  		v.AuxInt = int64ToAuxInt(b2i(t))
 17999  		return true
 18000  	}
 18001  }
 18002  func rewriteValueARM64_OpConstNil(v *Value) bool {
 18003  	// match: (ConstNil)
 18004  	// result: (MOVDconst [0])
 18005  	for {
 18006  		v.reset(OpARM64MOVDconst)
 18007  		v.AuxInt = int64ToAuxInt(0)
 18008  		return true
 18009  	}
 18010  }
 18011  func rewriteValueARM64_OpCtz16(v *Value) bool {
 18012  	v_0 := v.Args[0]
 18013  	b := v.Block
 18014  	typ := &b.Func.Config.Types
 18015  	// match: (Ctz16 <t> x)
 18016  	// result: (CLZW <t> (RBITW <typ.UInt32> (ORconst <typ.UInt32> [0x10000] x)))
 18017  	for {
 18018  		t := v.Type
 18019  		x := v_0
 18020  		v.reset(OpARM64CLZW)
 18021  		v.Type = t
 18022  		v0 := b.NewValue0(v.Pos, OpARM64RBITW, typ.UInt32)
 18023  		v1 := b.NewValue0(v.Pos, OpARM64ORconst, typ.UInt32)
 18024  		v1.AuxInt = int64ToAuxInt(0x10000)
 18025  		v1.AddArg(x)
 18026  		v0.AddArg(v1)
 18027  		v.AddArg(v0)
 18028  		return true
 18029  	}
 18030  }
 18031  func rewriteValueARM64_OpCtz32(v *Value) bool {
 18032  	v_0 := v.Args[0]
 18033  	b := v.Block
 18034  	// match: (Ctz32 <t> x)
 18035  	// result: (CLZW (RBITW <t> x))
 18036  	for {
 18037  		t := v.Type
 18038  		x := v_0
 18039  		v.reset(OpARM64CLZW)
 18040  		v0 := b.NewValue0(v.Pos, OpARM64RBITW, t)
 18041  		v0.AddArg(x)
 18042  		v.AddArg(v0)
 18043  		return true
 18044  	}
 18045  }
 18046  func rewriteValueARM64_OpCtz64(v *Value) bool {
 18047  	v_0 := v.Args[0]
 18048  	b := v.Block
 18049  	// match: (Ctz64 <t> x)
 18050  	// result: (CLZ (RBIT <t> x))
 18051  	for {
 18052  		t := v.Type
 18053  		x := v_0
 18054  		v.reset(OpARM64CLZ)
 18055  		v0 := b.NewValue0(v.Pos, OpARM64RBIT, t)
 18056  		v0.AddArg(x)
 18057  		v.AddArg(v0)
 18058  		return true
 18059  	}
 18060  }
 18061  func rewriteValueARM64_OpCtz8(v *Value) bool {
 18062  	v_0 := v.Args[0]
 18063  	b := v.Block
 18064  	typ := &b.Func.Config.Types
 18065  	// match: (Ctz8 <t> x)
 18066  	// result: (CLZW <t> (RBITW <typ.UInt32> (ORconst <typ.UInt32> [0x100] x)))
 18067  	for {
 18068  		t := v.Type
 18069  		x := v_0
 18070  		v.reset(OpARM64CLZW)
 18071  		v.Type = t
 18072  		v0 := b.NewValue0(v.Pos, OpARM64RBITW, typ.UInt32)
 18073  		v1 := b.NewValue0(v.Pos, OpARM64ORconst, typ.UInt32)
 18074  		v1.AuxInt = int64ToAuxInt(0x100)
 18075  		v1.AddArg(x)
 18076  		v0.AddArg(v1)
 18077  		v.AddArg(v0)
 18078  		return true
 18079  	}
 18080  }
 18081  func rewriteValueARM64_OpDiv16(v *Value) bool {
 18082  	v_1 := v.Args[1]
 18083  	v_0 := v.Args[0]
 18084  	b := v.Block
 18085  	typ := &b.Func.Config.Types
 18086  	// match: (Div16 [false] x y)
 18087  	// result: (DIVW (SignExt16to32 x) (SignExt16to32 y))
 18088  	for {
 18089  		if auxIntToBool(v.AuxInt) != false {
 18090  			break
 18091  		}
 18092  		x := v_0
 18093  		y := v_1
 18094  		v.reset(OpARM64DIVW)
 18095  		v0 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 18096  		v0.AddArg(x)
 18097  		v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 18098  		v1.AddArg(y)
 18099  		v.AddArg2(v0, v1)
 18100  		return true
 18101  	}
 18102  	return false
 18103  }
 18104  func rewriteValueARM64_OpDiv16u(v *Value) bool {
 18105  	v_1 := v.Args[1]
 18106  	v_0 := v.Args[0]
 18107  	b := v.Block
 18108  	typ := &b.Func.Config.Types
 18109  	// match: (Div16u x y)
 18110  	// result: (UDIVW (ZeroExt16to32 x) (ZeroExt16to32 y))
 18111  	for {
 18112  		x := v_0
 18113  		y := v_1
 18114  		v.reset(OpARM64UDIVW)
 18115  		v0 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 18116  		v0.AddArg(x)
 18117  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 18118  		v1.AddArg(y)
 18119  		v.AddArg2(v0, v1)
 18120  		return true
 18121  	}
 18122  }
 18123  func rewriteValueARM64_OpDiv32(v *Value) bool {
 18124  	v_1 := v.Args[1]
 18125  	v_0 := v.Args[0]
 18126  	// match: (Div32 [false] x y)
 18127  	// result: (DIVW x y)
 18128  	for {
 18129  		if auxIntToBool(v.AuxInt) != false {
 18130  			break
 18131  		}
 18132  		x := v_0
 18133  		y := v_1
 18134  		v.reset(OpARM64DIVW)
 18135  		v.AddArg2(x, y)
 18136  		return true
 18137  	}
 18138  	return false
 18139  }
 18140  func rewriteValueARM64_OpDiv64(v *Value) bool {
 18141  	v_1 := v.Args[1]
 18142  	v_0 := v.Args[0]
 18143  	// match: (Div64 [false] x y)
 18144  	// result: (DIV x y)
 18145  	for {
 18146  		if auxIntToBool(v.AuxInt) != false {
 18147  			break
 18148  		}
 18149  		x := v_0
 18150  		y := v_1
 18151  		v.reset(OpARM64DIV)
 18152  		v.AddArg2(x, y)
 18153  		return true
 18154  	}
 18155  	return false
 18156  }
 18157  func rewriteValueARM64_OpDiv8(v *Value) bool {
 18158  	v_1 := v.Args[1]
 18159  	v_0 := v.Args[0]
 18160  	b := v.Block
 18161  	typ := &b.Func.Config.Types
 18162  	// match: (Div8 x y)
 18163  	// result: (DIVW (SignExt8to32 x) (SignExt8to32 y))
 18164  	for {
 18165  		x := v_0
 18166  		y := v_1
 18167  		v.reset(OpARM64DIVW)
 18168  		v0 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 18169  		v0.AddArg(x)
 18170  		v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 18171  		v1.AddArg(y)
 18172  		v.AddArg2(v0, v1)
 18173  		return true
 18174  	}
 18175  }
 18176  func rewriteValueARM64_OpDiv8u(v *Value) bool {
 18177  	v_1 := v.Args[1]
 18178  	v_0 := v.Args[0]
 18179  	b := v.Block
 18180  	typ := &b.Func.Config.Types
 18181  	// match: (Div8u x y)
 18182  	// result: (UDIVW (ZeroExt8to32 x) (ZeroExt8to32 y))
 18183  	for {
 18184  		x := v_0
 18185  		y := v_1
 18186  		v.reset(OpARM64UDIVW)
 18187  		v0 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 18188  		v0.AddArg(x)
 18189  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 18190  		v1.AddArg(y)
 18191  		v.AddArg2(v0, v1)
 18192  		return true
 18193  	}
 18194  }
 18195  func rewriteValueARM64_OpEq16(v *Value) bool {
 18196  	v_1 := v.Args[1]
 18197  	v_0 := v.Args[0]
 18198  	b := v.Block
 18199  	typ := &b.Func.Config.Types
 18200  	// match: (Eq16 x y)
 18201  	// result: (Equal (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y)))
 18202  	for {
 18203  		x := v_0
 18204  		y := v_1
 18205  		v.reset(OpARM64Equal)
 18206  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18207  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 18208  		v1.AddArg(x)
 18209  		v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 18210  		v2.AddArg(y)
 18211  		v0.AddArg2(v1, v2)
 18212  		v.AddArg(v0)
 18213  		return true
 18214  	}
 18215  }
 18216  func rewriteValueARM64_OpEq32(v *Value) bool {
 18217  	v_1 := v.Args[1]
 18218  	v_0 := v.Args[0]
 18219  	b := v.Block
 18220  	// match: (Eq32 x y)
 18221  	// result: (Equal (CMPW x y))
 18222  	for {
 18223  		x := v_0
 18224  		y := v_1
 18225  		v.reset(OpARM64Equal)
 18226  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18227  		v0.AddArg2(x, y)
 18228  		v.AddArg(v0)
 18229  		return true
 18230  	}
 18231  }
 18232  func rewriteValueARM64_OpEq32F(v *Value) bool {
 18233  	v_1 := v.Args[1]
 18234  	v_0 := v.Args[0]
 18235  	b := v.Block
 18236  	// match: (Eq32F x y)
 18237  	// result: (Equal (FCMPS x y))
 18238  	for {
 18239  		x := v_0
 18240  		y := v_1
 18241  		v.reset(OpARM64Equal)
 18242  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags)
 18243  		v0.AddArg2(x, y)
 18244  		v.AddArg(v0)
 18245  		return true
 18246  	}
 18247  }
 18248  func rewriteValueARM64_OpEq64(v *Value) bool {
 18249  	v_1 := v.Args[1]
 18250  	v_0 := v.Args[0]
 18251  	b := v.Block
 18252  	// match: (Eq64 x y)
 18253  	// result: (Equal (CMP x y))
 18254  	for {
 18255  		x := v_0
 18256  		y := v_1
 18257  		v.reset(OpARM64Equal)
 18258  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 18259  		v0.AddArg2(x, y)
 18260  		v.AddArg(v0)
 18261  		return true
 18262  	}
 18263  }
 18264  func rewriteValueARM64_OpEq64F(v *Value) bool {
 18265  	v_1 := v.Args[1]
 18266  	v_0 := v.Args[0]
 18267  	b := v.Block
 18268  	// match: (Eq64F x y)
 18269  	// result: (Equal (FCMPD x y))
 18270  	for {
 18271  		x := v_0
 18272  		y := v_1
 18273  		v.reset(OpARM64Equal)
 18274  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags)
 18275  		v0.AddArg2(x, y)
 18276  		v.AddArg(v0)
 18277  		return true
 18278  	}
 18279  }
 18280  func rewriteValueARM64_OpEq8(v *Value) bool {
 18281  	v_1 := v.Args[1]
 18282  	v_0 := v.Args[0]
 18283  	b := v.Block
 18284  	typ := &b.Func.Config.Types
 18285  	// match: (Eq8 x y)
 18286  	// result: (Equal (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y)))
 18287  	for {
 18288  		x := v_0
 18289  		y := v_1
 18290  		v.reset(OpARM64Equal)
 18291  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18292  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 18293  		v1.AddArg(x)
 18294  		v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 18295  		v2.AddArg(y)
 18296  		v0.AddArg2(v1, v2)
 18297  		v.AddArg(v0)
 18298  		return true
 18299  	}
 18300  }
 18301  func rewriteValueARM64_OpEqB(v *Value) bool {
 18302  	v_1 := v.Args[1]
 18303  	v_0 := v.Args[0]
 18304  	b := v.Block
 18305  	typ := &b.Func.Config.Types
 18306  	// match: (EqB x y)
 18307  	// result: (XOR (MOVDconst [1]) (XOR <typ.Bool> x y))
 18308  	for {
 18309  		x := v_0
 18310  		y := v_1
 18311  		v.reset(OpARM64XOR)
 18312  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 18313  		v0.AuxInt = int64ToAuxInt(1)
 18314  		v1 := b.NewValue0(v.Pos, OpARM64XOR, typ.Bool)
 18315  		v1.AddArg2(x, y)
 18316  		v.AddArg2(v0, v1)
 18317  		return true
 18318  	}
 18319  }
 18320  func rewriteValueARM64_OpEqPtr(v *Value) bool {
 18321  	v_1 := v.Args[1]
 18322  	v_0 := v.Args[0]
 18323  	b := v.Block
 18324  	// match: (EqPtr x y)
 18325  	// result: (Equal (CMP x y))
 18326  	for {
 18327  		x := v_0
 18328  		y := v_1
 18329  		v.reset(OpARM64Equal)
 18330  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 18331  		v0.AddArg2(x, y)
 18332  		v.AddArg(v0)
 18333  		return true
 18334  	}
 18335  }
 18336  func rewriteValueARM64_OpFMA(v *Value) bool {
 18337  	v_2 := v.Args[2]
 18338  	v_1 := v.Args[1]
 18339  	v_0 := v.Args[0]
 18340  	// match: (FMA x y z)
 18341  	// result: (FMADDD z x y)
 18342  	for {
 18343  		x := v_0
 18344  		y := v_1
 18345  		z := v_2
 18346  		v.reset(OpARM64FMADDD)
 18347  		v.AddArg3(z, x, y)
 18348  		return true
 18349  	}
 18350  }
 18351  func rewriteValueARM64_OpHmul32(v *Value) bool {
 18352  	v_1 := v.Args[1]
 18353  	v_0 := v.Args[0]
 18354  	b := v.Block
 18355  	typ := &b.Func.Config.Types
 18356  	// match: (Hmul32 x y)
 18357  	// result: (SRAconst (MULL <typ.Int64> x y) [32])
 18358  	for {
 18359  		x := v_0
 18360  		y := v_1
 18361  		v.reset(OpARM64SRAconst)
 18362  		v.AuxInt = int64ToAuxInt(32)
 18363  		v0 := b.NewValue0(v.Pos, OpARM64MULL, typ.Int64)
 18364  		v0.AddArg2(x, y)
 18365  		v.AddArg(v0)
 18366  		return true
 18367  	}
 18368  }
 18369  func rewriteValueARM64_OpHmul32u(v *Value) bool {
 18370  	v_1 := v.Args[1]
 18371  	v_0 := v.Args[0]
 18372  	b := v.Block
 18373  	typ := &b.Func.Config.Types
 18374  	// match: (Hmul32u x y)
 18375  	// result: (SRAconst (UMULL <typ.UInt64> x y) [32])
 18376  	for {
 18377  		x := v_0
 18378  		y := v_1
 18379  		v.reset(OpARM64SRAconst)
 18380  		v.AuxInt = int64ToAuxInt(32)
 18381  		v0 := b.NewValue0(v.Pos, OpARM64UMULL, typ.UInt64)
 18382  		v0.AddArg2(x, y)
 18383  		v.AddArg(v0)
 18384  		return true
 18385  	}
 18386  }
 18387  func rewriteValueARM64_OpIsInBounds(v *Value) bool {
 18388  	v_1 := v.Args[1]
 18389  	v_0 := v.Args[0]
 18390  	b := v.Block
 18391  	// match: (IsInBounds idx len)
 18392  	// result: (LessThanU (CMP idx len))
 18393  	for {
 18394  		idx := v_0
 18395  		len := v_1
 18396  		v.reset(OpARM64LessThanU)
 18397  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 18398  		v0.AddArg2(idx, len)
 18399  		v.AddArg(v0)
 18400  		return true
 18401  	}
 18402  }
 18403  func rewriteValueARM64_OpIsNonNil(v *Value) bool {
 18404  	v_0 := v.Args[0]
 18405  	b := v.Block
 18406  	// match: (IsNonNil ptr)
 18407  	// result: (NotEqual (CMPconst [0] ptr))
 18408  	for {
 18409  		ptr := v_0
 18410  		v.reset(OpARM64NotEqual)
 18411  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 18412  		v0.AuxInt = int64ToAuxInt(0)
 18413  		v0.AddArg(ptr)
 18414  		v.AddArg(v0)
 18415  		return true
 18416  	}
 18417  }
 18418  func rewriteValueARM64_OpIsSliceInBounds(v *Value) bool {
 18419  	v_1 := v.Args[1]
 18420  	v_0 := v.Args[0]
 18421  	b := v.Block
 18422  	// match: (IsSliceInBounds idx len)
 18423  	// result: (LessEqualU (CMP idx len))
 18424  	for {
 18425  		idx := v_0
 18426  		len := v_1
 18427  		v.reset(OpARM64LessEqualU)
 18428  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 18429  		v0.AddArg2(idx, len)
 18430  		v.AddArg(v0)
 18431  		return true
 18432  	}
 18433  }
 18434  func rewriteValueARM64_OpLeq16(v *Value) bool {
 18435  	v_1 := v.Args[1]
 18436  	v_0 := v.Args[0]
 18437  	b := v.Block
 18438  	typ := &b.Func.Config.Types
 18439  	// match: (Leq16 x y)
 18440  	// result: (LessEqual (CMPW (SignExt16to32 x) (SignExt16to32 y)))
 18441  	for {
 18442  		x := v_0
 18443  		y := v_1
 18444  		v.reset(OpARM64LessEqual)
 18445  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18446  		v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 18447  		v1.AddArg(x)
 18448  		v2 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 18449  		v2.AddArg(y)
 18450  		v0.AddArg2(v1, v2)
 18451  		v.AddArg(v0)
 18452  		return true
 18453  	}
 18454  }
 18455  func rewriteValueARM64_OpLeq16U(v *Value) bool {
 18456  	v_1 := v.Args[1]
 18457  	v_0 := v.Args[0]
 18458  	b := v.Block
 18459  	typ := &b.Func.Config.Types
 18460  	// match: (Leq16U x zero:(MOVDconst [0]))
 18461  	// result: (Eq16 x zero)
 18462  	for {
 18463  		x := v_0
 18464  		zero := v_1
 18465  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 18466  			break
 18467  		}
 18468  		v.reset(OpEq16)
 18469  		v.AddArg2(x, zero)
 18470  		return true
 18471  	}
 18472  	// match: (Leq16U (MOVDconst [1]) x)
 18473  	// result: (Neq16 (MOVDconst [0]) x)
 18474  	for {
 18475  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 1 {
 18476  			break
 18477  		}
 18478  		x := v_1
 18479  		v.reset(OpNeq16)
 18480  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 18481  		v0.AuxInt = int64ToAuxInt(0)
 18482  		v.AddArg2(v0, x)
 18483  		return true
 18484  	}
 18485  	// match: (Leq16U x y)
 18486  	// result: (LessEqualU (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y)))
 18487  	for {
 18488  		x := v_0
 18489  		y := v_1
 18490  		v.reset(OpARM64LessEqualU)
 18491  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18492  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 18493  		v1.AddArg(x)
 18494  		v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 18495  		v2.AddArg(y)
 18496  		v0.AddArg2(v1, v2)
 18497  		v.AddArg(v0)
 18498  		return true
 18499  	}
 18500  }
 18501  func rewriteValueARM64_OpLeq32(v *Value) bool {
 18502  	v_1 := v.Args[1]
 18503  	v_0 := v.Args[0]
 18504  	b := v.Block
 18505  	// match: (Leq32 x y)
 18506  	// result: (LessEqual (CMPW x y))
 18507  	for {
 18508  		x := v_0
 18509  		y := v_1
 18510  		v.reset(OpARM64LessEqual)
 18511  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18512  		v0.AddArg2(x, y)
 18513  		v.AddArg(v0)
 18514  		return true
 18515  	}
 18516  }
 18517  func rewriteValueARM64_OpLeq32F(v *Value) bool {
 18518  	v_1 := v.Args[1]
 18519  	v_0 := v.Args[0]
 18520  	b := v.Block
 18521  	// match: (Leq32F x y)
 18522  	// result: (LessEqualF (FCMPS x y))
 18523  	for {
 18524  		x := v_0
 18525  		y := v_1
 18526  		v.reset(OpARM64LessEqualF)
 18527  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags)
 18528  		v0.AddArg2(x, y)
 18529  		v.AddArg(v0)
 18530  		return true
 18531  	}
 18532  }
 18533  func rewriteValueARM64_OpLeq32U(v *Value) bool {
 18534  	v_1 := v.Args[1]
 18535  	v_0 := v.Args[0]
 18536  	b := v.Block
 18537  	typ := &b.Func.Config.Types
 18538  	// match: (Leq32U x zero:(MOVDconst [0]))
 18539  	// result: (Eq32 x zero)
 18540  	for {
 18541  		x := v_0
 18542  		zero := v_1
 18543  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 18544  			break
 18545  		}
 18546  		v.reset(OpEq32)
 18547  		v.AddArg2(x, zero)
 18548  		return true
 18549  	}
 18550  	// match: (Leq32U (MOVDconst [1]) x)
 18551  	// result: (Neq32 (MOVDconst [0]) x)
 18552  	for {
 18553  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 1 {
 18554  			break
 18555  		}
 18556  		x := v_1
 18557  		v.reset(OpNeq32)
 18558  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 18559  		v0.AuxInt = int64ToAuxInt(0)
 18560  		v.AddArg2(v0, x)
 18561  		return true
 18562  	}
 18563  	// match: (Leq32U x y)
 18564  	// result: (LessEqualU (CMPW x y))
 18565  	for {
 18566  		x := v_0
 18567  		y := v_1
 18568  		v.reset(OpARM64LessEqualU)
 18569  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18570  		v0.AddArg2(x, y)
 18571  		v.AddArg(v0)
 18572  		return true
 18573  	}
 18574  }
 18575  func rewriteValueARM64_OpLeq64(v *Value) bool {
 18576  	v_1 := v.Args[1]
 18577  	v_0 := v.Args[0]
 18578  	b := v.Block
 18579  	// match: (Leq64 x y)
 18580  	// result: (LessEqual (CMP x y))
 18581  	for {
 18582  		x := v_0
 18583  		y := v_1
 18584  		v.reset(OpARM64LessEqual)
 18585  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 18586  		v0.AddArg2(x, y)
 18587  		v.AddArg(v0)
 18588  		return true
 18589  	}
 18590  }
 18591  func rewriteValueARM64_OpLeq64F(v *Value) bool {
 18592  	v_1 := v.Args[1]
 18593  	v_0 := v.Args[0]
 18594  	b := v.Block
 18595  	// match: (Leq64F x y)
 18596  	// result: (LessEqualF (FCMPD x y))
 18597  	for {
 18598  		x := v_0
 18599  		y := v_1
 18600  		v.reset(OpARM64LessEqualF)
 18601  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags)
 18602  		v0.AddArg2(x, y)
 18603  		v.AddArg(v0)
 18604  		return true
 18605  	}
 18606  }
 18607  func rewriteValueARM64_OpLeq64U(v *Value) bool {
 18608  	v_1 := v.Args[1]
 18609  	v_0 := v.Args[0]
 18610  	b := v.Block
 18611  	typ := &b.Func.Config.Types
 18612  	// match: (Leq64U x zero:(MOVDconst [0]))
 18613  	// result: (Eq64 x zero)
 18614  	for {
 18615  		x := v_0
 18616  		zero := v_1
 18617  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 18618  			break
 18619  		}
 18620  		v.reset(OpEq64)
 18621  		v.AddArg2(x, zero)
 18622  		return true
 18623  	}
 18624  	// match: (Leq64U (MOVDconst [1]) x)
 18625  	// result: (Neq64 (MOVDconst [0]) x)
 18626  	for {
 18627  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 1 {
 18628  			break
 18629  		}
 18630  		x := v_1
 18631  		v.reset(OpNeq64)
 18632  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 18633  		v0.AuxInt = int64ToAuxInt(0)
 18634  		v.AddArg2(v0, x)
 18635  		return true
 18636  	}
 18637  	// match: (Leq64U x y)
 18638  	// result: (LessEqualU (CMP x y))
 18639  	for {
 18640  		x := v_0
 18641  		y := v_1
 18642  		v.reset(OpARM64LessEqualU)
 18643  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 18644  		v0.AddArg2(x, y)
 18645  		v.AddArg(v0)
 18646  		return true
 18647  	}
 18648  }
 18649  func rewriteValueARM64_OpLeq8(v *Value) bool {
 18650  	v_1 := v.Args[1]
 18651  	v_0 := v.Args[0]
 18652  	b := v.Block
 18653  	typ := &b.Func.Config.Types
 18654  	// match: (Leq8 x y)
 18655  	// result: (LessEqual (CMPW (SignExt8to32 x) (SignExt8to32 y)))
 18656  	for {
 18657  		x := v_0
 18658  		y := v_1
 18659  		v.reset(OpARM64LessEqual)
 18660  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18661  		v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 18662  		v1.AddArg(x)
 18663  		v2 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 18664  		v2.AddArg(y)
 18665  		v0.AddArg2(v1, v2)
 18666  		v.AddArg(v0)
 18667  		return true
 18668  	}
 18669  }
 18670  func rewriteValueARM64_OpLeq8U(v *Value) bool {
 18671  	v_1 := v.Args[1]
 18672  	v_0 := v.Args[0]
 18673  	b := v.Block
 18674  	typ := &b.Func.Config.Types
 18675  	// match: (Leq8U x zero:(MOVDconst [0]))
 18676  	// result: (Eq8 x zero)
 18677  	for {
 18678  		x := v_0
 18679  		zero := v_1
 18680  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 18681  			break
 18682  		}
 18683  		v.reset(OpEq8)
 18684  		v.AddArg2(x, zero)
 18685  		return true
 18686  	}
 18687  	// match: (Leq8U (MOVDconst [1]) x)
 18688  	// result: (Neq8 (MOVDconst [0]) x)
 18689  	for {
 18690  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 1 {
 18691  			break
 18692  		}
 18693  		x := v_1
 18694  		v.reset(OpNeq8)
 18695  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 18696  		v0.AuxInt = int64ToAuxInt(0)
 18697  		v.AddArg2(v0, x)
 18698  		return true
 18699  	}
 18700  	// match: (Leq8U x y)
 18701  	// result: (LessEqualU (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y)))
 18702  	for {
 18703  		x := v_0
 18704  		y := v_1
 18705  		v.reset(OpARM64LessEqualU)
 18706  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18707  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 18708  		v1.AddArg(x)
 18709  		v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 18710  		v2.AddArg(y)
 18711  		v0.AddArg2(v1, v2)
 18712  		v.AddArg(v0)
 18713  		return true
 18714  	}
 18715  }
 18716  func rewriteValueARM64_OpLess16(v *Value) bool {
 18717  	v_1 := v.Args[1]
 18718  	v_0 := v.Args[0]
 18719  	b := v.Block
 18720  	typ := &b.Func.Config.Types
 18721  	// match: (Less16 x y)
 18722  	// result: (LessThan (CMPW (SignExt16to32 x) (SignExt16to32 y)))
 18723  	for {
 18724  		x := v_0
 18725  		y := v_1
 18726  		v.reset(OpARM64LessThan)
 18727  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18728  		v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 18729  		v1.AddArg(x)
 18730  		v2 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 18731  		v2.AddArg(y)
 18732  		v0.AddArg2(v1, v2)
 18733  		v.AddArg(v0)
 18734  		return true
 18735  	}
 18736  }
 18737  func rewriteValueARM64_OpLess16U(v *Value) bool {
 18738  	v_1 := v.Args[1]
 18739  	v_0 := v.Args[0]
 18740  	b := v.Block
 18741  	typ := &b.Func.Config.Types
 18742  	// match: (Less16U zero:(MOVDconst [0]) x)
 18743  	// result: (Neq16 zero x)
 18744  	for {
 18745  		zero := v_0
 18746  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 18747  			break
 18748  		}
 18749  		x := v_1
 18750  		v.reset(OpNeq16)
 18751  		v.AddArg2(zero, x)
 18752  		return true
 18753  	}
 18754  	// match: (Less16U x (MOVDconst [1]))
 18755  	// result: (Eq16 x (MOVDconst [0]))
 18756  	for {
 18757  		x := v_0
 18758  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 18759  			break
 18760  		}
 18761  		v.reset(OpEq16)
 18762  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 18763  		v0.AuxInt = int64ToAuxInt(0)
 18764  		v.AddArg2(x, v0)
 18765  		return true
 18766  	}
 18767  	// match: (Less16U x y)
 18768  	// result: (LessThanU (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y)))
 18769  	for {
 18770  		x := v_0
 18771  		y := v_1
 18772  		v.reset(OpARM64LessThanU)
 18773  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18774  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 18775  		v1.AddArg(x)
 18776  		v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 18777  		v2.AddArg(y)
 18778  		v0.AddArg2(v1, v2)
 18779  		v.AddArg(v0)
 18780  		return true
 18781  	}
 18782  }
 18783  func rewriteValueARM64_OpLess32(v *Value) bool {
 18784  	v_1 := v.Args[1]
 18785  	v_0 := v.Args[0]
 18786  	b := v.Block
 18787  	// match: (Less32 x y)
 18788  	// result: (LessThan (CMPW x y))
 18789  	for {
 18790  		x := v_0
 18791  		y := v_1
 18792  		v.reset(OpARM64LessThan)
 18793  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18794  		v0.AddArg2(x, y)
 18795  		v.AddArg(v0)
 18796  		return true
 18797  	}
 18798  }
 18799  func rewriteValueARM64_OpLess32F(v *Value) bool {
 18800  	v_1 := v.Args[1]
 18801  	v_0 := v.Args[0]
 18802  	b := v.Block
 18803  	// match: (Less32F x y)
 18804  	// result: (LessThanF (FCMPS x y))
 18805  	for {
 18806  		x := v_0
 18807  		y := v_1
 18808  		v.reset(OpARM64LessThanF)
 18809  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags)
 18810  		v0.AddArg2(x, y)
 18811  		v.AddArg(v0)
 18812  		return true
 18813  	}
 18814  }
 18815  func rewriteValueARM64_OpLess32U(v *Value) bool {
 18816  	v_1 := v.Args[1]
 18817  	v_0 := v.Args[0]
 18818  	b := v.Block
 18819  	typ := &b.Func.Config.Types
 18820  	// match: (Less32U zero:(MOVDconst [0]) x)
 18821  	// result: (Neq32 zero x)
 18822  	for {
 18823  		zero := v_0
 18824  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 18825  			break
 18826  		}
 18827  		x := v_1
 18828  		v.reset(OpNeq32)
 18829  		v.AddArg2(zero, x)
 18830  		return true
 18831  	}
 18832  	// match: (Less32U x (MOVDconst [1]))
 18833  	// result: (Eq32 x (MOVDconst [0]))
 18834  	for {
 18835  		x := v_0
 18836  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 18837  			break
 18838  		}
 18839  		v.reset(OpEq32)
 18840  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 18841  		v0.AuxInt = int64ToAuxInt(0)
 18842  		v.AddArg2(x, v0)
 18843  		return true
 18844  	}
 18845  	// match: (Less32U x y)
 18846  	// result: (LessThanU (CMPW x y))
 18847  	for {
 18848  		x := v_0
 18849  		y := v_1
 18850  		v.reset(OpARM64LessThanU)
 18851  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18852  		v0.AddArg2(x, y)
 18853  		v.AddArg(v0)
 18854  		return true
 18855  	}
 18856  }
 18857  func rewriteValueARM64_OpLess64(v *Value) bool {
 18858  	v_1 := v.Args[1]
 18859  	v_0 := v.Args[0]
 18860  	b := v.Block
 18861  	// match: (Less64 x y)
 18862  	// result: (LessThan (CMP x y))
 18863  	for {
 18864  		x := v_0
 18865  		y := v_1
 18866  		v.reset(OpARM64LessThan)
 18867  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 18868  		v0.AddArg2(x, y)
 18869  		v.AddArg(v0)
 18870  		return true
 18871  	}
 18872  }
 18873  func rewriteValueARM64_OpLess64F(v *Value) bool {
 18874  	v_1 := v.Args[1]
 18875  	v_0 := v.Args[0]
 18876  	b := v.Block
 18877  	// match: (Less64F x y)
 18878  	// result: (LessThanF (FCMPD x y))
 18879  	for {
 18880  		x := v_0
 18881  		y := v_1
 18882  		v.reset(OpARM64LessThanF)
 18883  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags)
 18884  		v0.AddArg2(x, y)
 18885  		v.AddArg(v0)
 18886  		return true
 18887  	}
 18888  }
 18889  func rewriteValueARM64_OpLess64U(v *Value) bool {
 18890  	v_1 := v.Args[1]
 18891  	v_0 := v.Args[0]
 18892  	b := v.Block
 18893  	typ := &b.Func.Config.Types
 18894  	// match: (Less64U zero:(MOVDconst [0]) x)
 18895  	// result: (Neq64 zero x)
 18896  	for {
 18897  		zero := v_0
 18898  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 18899  			break
 18900  		}
 18901  		x := v_1
 18902  		v.reset(OpNeq64)
 18903  		v.AddArg2(zero, x)
 18904  		return true
 18905  	}
 18906  	// match: (Less64U x (MOVDconst [1]))
 18907  	// result: (Eq64 x (MOVDconst [0]))
 18908  	for {
 18909  		x := v_0
 18910  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 18911  			break
 18912  		}
 18913  		v.reset(OpEq64)
 18914  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 18915  		v0.AuxInt = int64ToAuxInt(0)
 18916  		v.AddArg2(x, v0)
 18917  		return true
 18918  	}
 18919  	// match: (Less64U x y)
 18920  	// result: (LessThanU (CMP x y))
 18921  	for {
 18922  		x := v_0
 18923  		y := v_1
 18924  		v.reset(OpARM64LessThanU)
 18925  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 18926  		v0.AddArg2(x, y)
 18927  		v.AddArg(v0)
 18928  		return true
 18929  	}
 18930  }
 18931  func rewriteValueARM64_OpLess8(v *Value) bool {
 18932  	v_1 := v.Args[1]
 18933  	v_0 := v.Args[0]
 18934  	b := v.Block
 18935  	typ := &b.Func.Config.Types
 18936  	// match: (Less8 x y)
 18937  	// result: (LessThan (CMPW (SignExt8to32 x) (SignExt8to32 y)))
 18938  	for {
 18939  		x := v_0
 18940  		y := v_1
 18941  		v.reset(OpARM64LessThan)
 18942  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18943  		v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 18944  		v1.AddArg(x)
 18945  		v2 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 18946  		v2.AddArg(y)
 18947  		v0.AddArg2(v1, v2)
 18948  		v.AddArg(v0)
 18949  		return true
 18950  	}
 18951  }
 18952  func rewriteValueARM64_OpLess8U(v *Value) bool {
 18953  	v_1 := v.Args[1]
 18954  	v_0 := v.Args[0]
 18955  	b := v.Block
 18956  	typ := &b.Func.Config.Types
 18957  	// match: (Less8U zero:(MOVDconst [0]) x)
 18958  	// result: (Neq8 zero x)
 18959  	for {
 18960  		zero := v_0
 18961  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 18962  			break
 18963  		}
 18964  		x := v_1
 18965  		v.reset(OpNeq8)
 18966  		v.AddArg2(zero, x)
 18967  		return true
 18968  	}
 18969  	// match: (Less8U x (MOVDconst [1]))
 18970  	// result: (Eq8 x (MOVDconst [0]))
 18971  	for {
 18972  		x := v_0
 18973  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 18974  			break
 18975  		}
 18976  		v.reset(OpEq8)
 18977  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 18978  		v0.AuxInt = int64ToAuxInt(0)
 18979  		v.AddArg2(x, v0)
 18980  		return true
 18981  	}
 18982  	// match: (Less8U x y)
 18983  	// result: (LessThanU (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y)))
 18984  	for {
 18985  		x := v_0
 18986  		y := v_1
 18987  		v.reset(OpARM64LessThanU)
 18988  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 18989  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 18990  		v1.AddArg(x)
 18991  		v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 18992  		v2.AddArg(y)
 18993  		v0.AddArg2(v1, v2)
 18994  		v.AddArg(v0)
 18995  		return true
 18996  	}
 18997  }
 18998  func rewriteValueARM64_OpLoad(v *Value) bool {
 18999  	v_1 := v.Args[1]
 19000  	v_0 := v.Args[0]
 19001  	// match: (Load <t> ptr mem)
 19002  	// cond: t.IsBoolean()
 19003  	// result: (MOVBUload ptr mem)
 19004  	for {
 19005  		t := v.Type
 19006  		ptr := v_0
 19007  		mem := v_1
 19008  		if !(t.IsBoolean()) {
 19009  			break
 19010  		}
 19011  		v.reset(OpARM64MOVBUload)
 19012  		v.AddArg2(ptr, mem)
 19013  		return true
 19014  	}
 19015  	// match: (Load <t> ptr mem)
 19016  	// cond: (is8BitInt(t) && t.IsSigned())
 19017  	// result: (MOVBload ptr mem)
 19018  	for {
 19019  		t := v.Type
 19020  		ptr := v_0
 19021  		mem := v_1
 19022  		if !(is8BitInt(t) && t.IsSigned()) {
 19023  			break
 19024  		}
 19025  		v.reset(OpARM64MOVBload)
 19026  		v.AddArg2(ptr, mem)
 19027  		return true
 19028  	}
 19029  	// match: (Load <t> ptr mem)
 19030  	// cond: (is8BitInt(t) && !t.IsSigned())
 19031  	// result: (MOVBUload ptr mem)
 19032  	for {
 19033  		t := v.Type
 19034  		ptr := v_0
 19035  		mem := v_1
 19036  		if !(is8BitInt(t) && !t.IsSigned()) {
 19037  			break
 19038  		}
 19039  		v.reset(OpARM64MOVBUload)
 19040  		v.AddArg2(ptr, mem)
 19041  		return true
 19042  	}
 19043  	// match: (Load <t> ptr mem)
 19044  	// cond: (is16BitInt(t) && t.IsSigned())
 19045  	// result: (MOVHload ptr mem)
 19046  	for {
 19047  		t := v.Type
 19048  		ptr := v_0
 19049  		mem := v_1
 19050  		if !(is16BitInt(t) && t.IsSigned()) {
 19051  			break
 19052  		}
 19053  		v.reset(OpARM64MOVHload)
 19054  		v.AddArg2(ptr, mem)
 19055  		return true
 19056  	}
 19057  	// match: (Load <t> ptr mem)
 19058  	// cond: (is16BitInt(t) && !t.IsSigned())
 19059  	// result: (MOVHUload ptr mem)
 19060  	for {
 19061  		t := v.Type
 19062  		ptr := v_0
 19063  		mem := v_1
 19064  		if !(is16BitInt(t) && !t.IsSigned()) {
 19065  			break
 19066  		}
 19067  		v.reset(OpARM64MOVHUload)
 19068  		v.AddArg2(ptr, mem)
 19069  		return true
 19070  	}
 19071  	// match: (Load <t> ptr mem)
 19072  	// cond: (is32BitInt(t) && t.IsSigned())
 19073  	// result: (MOVWload ptr mem)
 19074  	for {
 19075  		t := v.Type
 19076  		ptr := v_0
 19077  		mem := v_1
 19078  		if !(is32BitInt(t) && t.IsSigned()) {
 19079  			break
 19080  		}
 19081  		v.reset(OpARM64MOVWload)
 19082  		v.AddArg2(ptr, mem)
 19083  		return true
 19084  	}
 19085  	// match: (Load <t> ptr mem)
 19086  	// cond: (is32BitInt(t) && !t.IsSigned())
 19087  	// result: (MOVWUload ptr mem)
 19088  	for {
 19089  		t := v.Type
 19090  		ptr := v_0
 19091  		mem := v_1
 19092  		if !(is32BitInt(t) && !t.IsSigned()) {
 19093  			break
 19094  		}
 19095  		v.reset(OpARM64MOVWUload)
 19096  		v.AddArg2(ptr, mem)
 19097  		return true
 19098  	}
 19099  	// match: (Load <t> ptr mem)
 19100  	// cond: (is64BitInt(t) || isPtr(t))
 19101  	// result: (MOVDload ptr mem)
 19102  	for {
 19103  		t := v.Type
 19104  		ptr := v_0
 19105  		mem := v_1
 19106  		if !(is64BitInt(t) || isPtr(t)) {
 19107  			break
 19108  		}
 19109  		v.reset(OpARM64MOVDload)
 19110  		v.AddArg2(ptr, mem)
 19111  		return true
 19112  	}
 19113  	// match: (Load <t> ptr mem)
 19114  	// cond: is32BitFloat(t)
 19115  	// result: (FMOVSload ptr mem)
 19116  	for {
 19117  		t := v.Type
 19118  		ptr := v_0
 19119  		mem := v_1
 19120  		if !(is32BitFloat(t)) {
 19121  			break
 19122  		}
 19123  		v.reset(OpARM64FMOVSload)
 19124  		v.AddArg2(ptr, mem)
 19125  		return true
 19126  	}
 19127  	// match: (Load <t> ptr mem)
 19128  	// cond: is64BitFloat(t)
 19129  	// result: (FMOVDload ptr mem)
 19130  	for {
 19131  		t := v.Type
 19132  		ptr := v_0
 19133  		mem := v_1
 19134  		if !(is64BitFloat(t)) {
 19135  			break
 19136  		}
 19137  		v.reset(OpARM64FMOVDload)
 19138  		v.AddArg2(ptr, mem)
 19139  		return true
 19140  	}
 19141  	return false
 19142  }
 19143  func rewriteValueARM64_OpLocalAddr(v *Value) bool {
 19144  	v_1 := v.Args[1]
 19145  	v_0 := v.Args[0]
 19146  	b := v.Block
 19147  	typ := &b.Func.Config.Types
 19148  	// match: (LocalAddr <t> {sym} base mem)
 19149  	// cond: t.Elem().HasPointers()
 19150  	// result: (MOVDaddr {sym} (SPanchored base mem))
 19151  	for {
 19152  		t := v.Type
 19153  		sym := auxToSym(v.Aux)
 19154  		base := v_0
 19155  		mem := v_1
 19156  		if !(t.Elem().HasPointers()) {
 19157  			break
 19158  		}
 19159  		v.reset(OpARM64MOVDaddr)
 19160  		v.Aux = symToAux(sym)
 19161  		v0 := b.NewValue0(v.Pos, OpSPanchored, typ.Uintptr)
 19162  		v0.AddArg2(base, mem)
 19163  		v.AddArg(v0)
 19164  		return true
 19165  	}
 19166  	// match: (LocalAddr <t> {sym} base _)
 19167  	// cond: !t.Elem().HasPointers()
 19168  	// result: (MOVDaddr {sym} base)
 19169  	for {
 19170  		t := v.Type
 19171  		sym := auxToSym(v.Aux)
 19172  		base := v_0
 19173  		if !(!t.Elem().HasPointers()) {
 19174  			break
 19175  		}
 19176  		v.reset(OpARM64MOVDaddr)
 19177  		v.Aux = symToAux(sym)
 19178  		v.AddArg(base)
 19179  		return true
 19180  	}
 19181  	return false
 19182  }
 19183  func rewriteValueARM64_OpLsh16x16(v *Value) bool {
 19184  	v_1 := v.Args[1]
 19185  	v_0 := v.Args[0]
 19186  	b := v.Block
 19187  	typ := &b.Func.Config.Types
 19188  	// match: (Lsh16x16 <t> x y)
 19189  	// cond: shiftIsBounded(v)
 19190  	// result: (SLL <t> x y)
 19191  	for {
 19192  		t := v.Type
 19193  		x := v_0
 19194  		y := v_1
 19195  		if !(shiftIsBounded(v)) {
 19196  			break
 19197  		}
 19198  		v.reset(OpARM64SLL)
 19199  		v.Type = t
 19200  		v.AddArg2(x, y)
 19201  		return true
 19202  	}
 19203  	// match: (Lsh16x16 <t> x y)
 19204  	// cond: !shiftIsBounded(v)
 19205  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y)))
 19206  	for {
 19207  		t := v.Type
 19208  		x := v_0
 19209  		y := v_1
 19210  		if !(!shiftIsBounded(v)) {
 19211  			break
 19212  		}
 19213  		v.reset(OpARM64CSEL)
 19214  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19215  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19216  		v0.AddArg2(x, y)
 19217  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19218  		v1.AuxInt = int64ToAuxInt(0)
 19219  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19220  		v2.AuxInt = int64ToAuxInt(64)
 19221  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 19222  		v3.AddArg(y)
 19223  		v2.AddArg(v3)
 19224  		v.AddArg3(v0, v1, v2)
 19225  		return true
 19226  	}
 19227  	return false
 19228  }
 19229  func rewriteValueARM64_OpLsh16x32(v *Value) bool {
 19230  	v_1 := v.Args[1]
 19231  	v_0 := v.Args[0]
 19232  	b := v.Block
 19233  	typ := &b.Func.Config.Types
 19234  	// match: (Lsh16x32 <t> x y)
 19235  	// cond: shiftIsBounded(v)
 19236  	// result: (SLL <t> x y)
 19237  	for {
 19238  		t := v.Type
 19239  		x := v_0
 19240  		y := v_1
 19241  		if !(shiftIsBounded(v)) {
 19242  			break
 19243  		}
 19244  		v.reset(OpARM64SLL)
 19245  		v.Type = t
 19246  		v.AddArg2(x, y)
 19247  		return true
 19248  	}
 19249  	// match: (Lsh16x32 <t> x y)
 19250  	// cond: !shiftIsBounded(v)
 19251  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y)))
 19252  	for {
 19253  		t := v.Type
 19254  		x := v_0
 19255  		y := v_1
 19256  		if !(!shiftIsBounded(v)) {
 19257  			break
 19258  		}
 19259  		v.reset(OpARM64CSEL)
 19260  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19261  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19262  		v0.AddArg2(x, y)
 19263  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19264  		v1.AuxInt = int64ToAuxInt(0)
 19265  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19266  		v2.AuxInt = int64ToAuxInt(64)
 19267  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 19268  		v3.AddArg(y)
 19269  		v2.AddArg(v3)
 19270  		v.AddArg3(v0, v1, v2)
 19271  		return true
 19272  	}
 19273  	return false
 19274  }
 19275  func rewriteValueARM64_OpLsh16x64(v *Value) bool {
 19276  	v_1 := v.Args[1]
 19277  	v_0 := v.Args[0]
 19278  	b := v.Block
 19279  	// match: (Lsh16x64 <t> x y)
 19280  	// cond: shiftIsBounded(v)
 19281  	// result: (SLL <t> x y)
 19282  	for {
 19283  		t := v.Type
 19284  		x := v_0
 19285  		y := v_1
 19286  		if !(shiftIsBounded(v)) {
 19287  			break
 19288  		}
 19289  		v.reset(OpARM64SLL)
 19290  		v.Type = t
 19291  		v.AddArg2(x, y)
 19292  		return true
 19293  	}
 19294  	// match: (Lsh16x64 <t> x y)
 19295  	// cond: !shiftIsBounded(v)
 19296  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] y))
 19297  	for {
 19298  		t := v.Type
 19299  		x := v_0
 19300  		y := v_1
 19301  		if !(!shiftIsBounded(v)) {
 19302  			break
 19303  		}
 19304  		v.reset(OpARM64CSEL)
 19305  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19306  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19307  		v0.AddArg2(x, y)
 19308  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19309  		v1.AuxInt = int64ToAuxInt(0)
 19310  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19311  		v2.AuxInt = int64ToAuxInt(64)
 19312  		v2.AddArg(y)
 19313  		v.AddArg3(v0, v1, v2)
 19314  		return true
 19315  	}
 19316  	return false
 19317  }
 19318  func rewriteValueARM64_OpLsh16x8(v *Value) bool {
 19319  	v_1 := v.Args[1]
 19320  	v_0 := v.Args[0]
 19321  	b := v.Block
 19322  	typ := &b.Func.Config.Types
 19323  	// match: (Lsh16x8 <t> x y)
 19324  	// cond: shiftIsBounded(v)
 19325  	// result: (SLL <t> x y)
 19326  	for {
 19327  		t := v.Type
 19328  		x := v_0
 19329  		y := v_1
 19330  		if !(shiftIsBounded(v)) {
 19331  			break
 19332  		}
 19333  		v.reset(OpARM64SLL)
 19334  		v.Type = t
 19335  		v.AddArg2(x, y)
 19336  		return true
 19337  	}
 19338  	// match: (Lsh16x8 <t> x y)
 19339  	// cond: !shiftIsBounded(v)
 19340  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y)))
 19341  	for {
 19342  		t := v.Type
 19343  		x := v_0
 19344  		y := v_1
 19345  		if !(!shiftIsBounded(v)) {
 19346  			break
 19347  		}
 19348  		v.reset(OpARM64CSEL)
 19349  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19350  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19351  		v0.AddArg2(x, y)
 19352  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19353  		v1.AuxInt = int64ToAuxInt(0)
 19354  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19355  		v2.AuxInt = int64ToAuxInt(64)
 19356  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 19357  		v3.AddArg(y)
 19358  		v2.AddArg(v3)
 19359  		v.AddArg3(v0, v1, v2)
 19360  		return true
 19361  	}
 19362  	return false
 19363  }
 19364  func rewriteValueARM64_OpLsh32x16(v *Value) bool {
 19365  	v_1 := v.Args[1]
 19366  	v_0 := v.Args[0]
 19367  	b := v.Block
 19368  	typ := &b.Func.Config.Types
 19369  	// match: (Lsh32x16 <t> x y)
 19370  	// cond: shiftIsBounded(v)
 19371  	// result: (SLL <t> x y)
 19372  	for {
 19373  		t := v.Type
 19374  		x := v_0
 19375  		y := v_1
 19376  		if !(shiftIsBounded(v)) {
 19377  			break
 19378  		}
 19379  		v.reset(OpARM64SLL)
 19380  		v.Type = t
 19381  		v.AddArg2(x, y)
 19382  		return true
 19383  	}
 19384  	// match: (Lsh32x16 <t> x y)
 19385  	// cond: !shiftIsBounded(v)
 19386  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y)))
 19387  	for {
 19388  		t := v.Type
 19389  		x := v_0
 19390  		y := v_1
 19391  		if !(!shiftIsBounded(v)) {
 19392  			break
 19393  		}
 19394  		v.reset(OpARM64CSEL)
 19395  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19396  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19397  		v0.AddArg2(x, y)
 19398  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19399  		v1.AuxInt = int64ToAuxInt(0)
 19400  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19401  		v2.AuxInt = int64ToAuxInt(64)
 19402  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 19403  		v3.AddArg(y)
 19404  		v2.AddArg(v3)
 19405  		v.AddArg3(v0, v1, v2)
 19406  		return true
 19407  	}
 19408  	return false
 19409  }
 19410  func rewriteValueARM64_OpLsh32x32(v *Value) bool {
 19411  	v_1 := v.Args[1]
 19412  	v_0 := v.Args[0]
 19413  	b := v.Block
 19414  	typ := &b.Func.Config.Types
 19415  	// match: (Lsh32x32 <t> x y)
 19416  	// cond: shiftIsBounded(v)
 19417  	// result: (SLL <t> x y)
 19418  	for {
 19419  		t := v.Type
 19420  		x := v_0
 19421  		y := v_1
 19422  		if !(shiftIsBounded(v)) {
 19423  			break
 19424  		}
 19425  		v.reset(OpARM64SLL)
 19426  		v.Type = t
 19427  		v.AddArg2(x, y)
 19428  		return true
 19429  	}
 19430  	// match: (Lsh32x32 <t> x y)
 19431  	// cond: !shiftIsBounded(v)
 19432  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y)))
 19433  	for {
 19434  		t := v.Type
 19435  		x := v_0
 19436  		y := v_1
 19437  		if !(!shiftIsBounded(v)) {
 19438  			break
 19439  		}
 19440  		v.reset(OpARM64CSEL)
 19441  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19442  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19443  		v0.AddArg2(x, y)
 19444  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19445  		v1.AuxInt = int64ToAuxInt(0)
 19446  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19447  		v2.AuxInt = int64ToAuxInt(64)
 19448  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 19449  		v3.AddArg(y)
 19450  		v2.AddArg(v3)
 19451  		v.AddArg3(v0, v1, v2)
 19452  		return true
 19453  	}
 19454  	return false
 19455  }
 19456  func rewriteValueARM64_OpLsh32x64(v *Value) bool {
 19457  	v_1 := v.Args[1]
 19458  	v_0 := v.Args[0]
 19459  	b := v.Block
 19460  	// match: (Lsh32x64 <t> x y)
 19461  	// cond: shiftIsBounded(v)
 19462  	// result: (SLL <t> x y)
 19463  	for {
 19464  		t := v.Type
 19465  		x := v_0
 19466  		y := v_1
 19467  		if !(shiftIsBounded(v)) {
 19468  			break
 19469  		}
 19470  		v.reset(OpARM64SLL)
 19471  		v.Type = t
 19472  		v.AddArg2(x, y)
 19473  		return true
 19474  	}
 19475  	// match: (Lsh32x64 <t> x y)
 19476  	// cond: !shiftIsBounded(v)
 19477  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] y))
 19478  	for {
 19479  		t := v.Type
 19480  		x := v_0
 19481  		y := v_1
 19482  		if !(!shiftIsBounded(v)) {
 19483  			break
 19484  		}
 19485  		v.reset(OpARM64CSEL)
 19486  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19487  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19488  		v0.AddArg2(x, y)
 19489  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19490  		v1.AuxInt = int64ToAuxInt(0)
 19491  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19492  		v2.AuxInt = int64ToAuxInt(64)
 19493  		v2.AddArg(y)
 19494  		v.AddArg3(v0, v1, v2)
 19495  		return true
 19496  	}
 19497  	return false
 19498  }
 19499  func rewriteValueARM64_OpLsh32x8(v *Value) bool {
 19500  	v_1 := v.Args[1]
 19501  	v_0 := v.Args[0]
 19502  	b := v.Block
 19503  	typ := &b.Func.Config.Types
 19504  	// match: (Lsh32x8 <t> x y)
 19505  	// cond: shiftIsBounded(v)
 19506  	// result: (SLL <t> x y)
 19507  	for {
 19508  		t := v.Type
 19509  		x := v_0
 19510  		y := v_1
 19511  		if !(shiftIsBounded(v)) {
 19512  			break
 19513  		}
 19514  		v.reset(OpARM64SLL)
 19515  		v.Type = t
 19516  		v.AddArg2(x, y)
 19517  		return true
 19518  	}
 19519  	// match: (Lsh32x8 <t> x y)
 19520  	// cond: !shiftIsBounded(v)
 19521  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y)))
 19522  	for {
 19523  		t := v.Type
 19524  		x := v_0
 19525  		y := v_1
 19526  		if !(!shiftIsBounded(v)) {
 19527  			break
 19528  		}
 19529  		v.reset(OpARM64CSEL)
 19530  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19531  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19532  		v0.AddArg2(x, y)
 19533  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19534  		v1.AuxInt = int64ToAuxInt(0)
 19535  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19536  		v2.AuxInt = int64ToAuxInt(64)
 19537  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 19538  		v3.AddArg(y)
 19539  		v2.AddArg(v3)
 19540  		v.AddArg3(v0, v1, v2)
 19541  		return true
 19542  	}
 19543  	return false
 19544  }
 19545  func rewriteValueARM64_OpLsh64x16(v *Value) bool {
 19546  	v_1 := v.Args[1]
 19547  	v_0 := v.Args[0]
 19548  	b := v.Block
 19549  	typ := &b.Func.Config.Types
 19550  	// match: (Lsh64x16 <t> x y)
 19551  	// cond: shiftIsBounded(v)
 19552  	// result: (SLL <t> x y)
 19553  	for {
 19554  		t := v.Type
 19555  		x := v_0
 19556  		y := v_1
 19557  		if !(shiftIsBounded(v)) {
 19558  			break
 19559  		}
 19560  		v.reset(OpARM64SLL)
 19561  		v.Type = t
 19562  		v.AddArg2(x, y)
 19563  		return true
 19564  	}
 19565  	// match: (Lsh64x16 <t> x y)
 19566  	// cond: !shiftIsBounded(v)
 19567  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y)))
 19568  	for {
 19569  		t := v.Type
 19570  		x := v_0
 19571  		y := v_1
 19572  		if !(!shiftIsBounded(v)) {
 19573  			break
 19574  		}
 19575  		v.reset(OpARM64CSEL)
 19576  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19577  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19578  		v0.AddArg2(x, y)
 19579  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19580  		v1.AuxInt = int64ToAuxInt(0)
 19581  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19582  		v2.AuxInt = int64ToAuxInt(64)
 19583  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 19584  		v3.AddArg(y)
 19585  		v2.AddArg(v3)
 19586  		v.AddArg3(v0, v1, v2)
 19587  		return true
 19588  	}
 19589  	return false
 19590  }
 19591  func rewriteValueARM64_OpLsh64x32(v *Value) bool {
 19592  	v_1 := v.Args[1]
 19593  	v_0 := v.Args[0]
 19594  	b := v.Block
 19595  	typ := &b.Func.Config.Types
 19596  	// match: (Lsh64x32 <t> x y)
 19597  	// cond: shiftIsBounded(v)
 19598  	// result: (SLL <t> x y)
 19599  	for {
 19600  		t := v.Type
 19601  		x := v_0
 19602  		y := v_1
 19603  		if !(shiftIsBounded(v)) {
 19604  			break
 19605  		}
 19606  		v.reset(OpARM64SLL)
 19607  		v.Type = t
 19608  		v.AddArg2(x, y)
 19609  		return true
 19610  	}
 19611  	// match: (Lsh64x32 <t> x y)
 19612  	// cond: !shiftIsBounded(v)
 19613  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y)))
 19614  	for {
 19615  		t := v.Type
 19616  		x := v_0
 19617  		y := v_1
 19618  		if !(!shiftIsBounded(v)) {
 19619  			break
 19620  		}
 19621  		v.reset(OpARM64CSEL)
 19622  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19623  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19624  		v0.AddArg2(x, y)
 19625  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19626  		v1.AuxInt = int64ToAuxInt(0)
 19627  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19628  		v2.AuxInt = int64ToAuxInt(64)
 19629  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 19630  		v3.AddArg(y)
 19631  		v2.AddArg(v3)
 19632  		v.AddArg3(v0, v1, v2)
 19633  		return true
 19634  	}
 19635  	return false
 19636  }
 19637  func rewriteValueARM64_OpLsh64x64(v *Value) bool {
 19638  	v_1 := v.Args[1]
 19639  	v_0 := v.Args[0]
 19640  	b := v.Block
 19641  	// match: (Lsh64x64 <t> x y)
 19642  	// cond: shiftIsBounded(v)
 19643  	// result: (SLL <t> x y)
 19644  	for {
 19645  		t := v.Type
 19646  		x := v_0
 19647  		y := v_1
 19648  		if !(shiftIsBounded(v)) {
 19649  			break
 19650  		}
 19651  		v.reset(OpARM64SLL)
 19652  		v.Type = t
 19653  		v.AddArg2(x, y)
 19654  		return true
 19655  	}
 19656  	// match: (Lsh64x64 <t> x y)
 19657  	// cond: !shiftIsBounded(v)
 19658  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] y))
 19659  	for {
 19660  		t := v.Type
 19661  		x := v_0
 19662  		y := v_1
 19663  		if !(!shiftIsBounded(v)) {
 19664  			break
 19665  		}
 19666  		v.reset(OpARM64CSEL)
 19667  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19668  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19669  		v0.AddArg2(x, y)
 19670  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19671  		v1.AuxInt = int64ToAuxInt(0)
 19672  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19673  		v2.AuxInt = int64ToAuxInt(64)
 19674  		v2.AddArg(y)
 19675  		v.AddArg3(v0, v1, v2)
 19676  		return true
 19677  	}
 19678  	return false
 19679  }
 19680  func rewriteValueARM64_OpLsh64x8(v *Value) bool {
 19681  	v_1 := v.Args[1]
 19682  	v_0 := v.Args[0]
 19683  	b := v.Block
 19684  	typ := &b.Func.Config.Types
 19685  	// match: (Lsh64x8 <t> x y)
 19686  	// cond: shiftIsBounded(v)
 19687  	// result: (SLL <t> x y)
 19688  	for {
 19689  		t := v.Type
 19690  		x := v_0
 19691  		y := v_1
 19692  		if !(shiftIsBounded(v)) {
 19693  			break
 19694  		}
 19695  		v.reset(OpARM64SLL)
 19696  		v.Type = t
 19697  		v.AddArg2(x, y)
 19698  		return true
 19699  	}
 19700  	// match: (Lsh64x8 <t> x y)
 19701  	// cond: !shiftIsBounded(v)
 19702  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y)))
 19703  	for {
 19704  		t := v.Type
 19705  		x := v_0
 19706  		y := v_1
 19707  		if !(!shiftIsBounded(v)) {
 19708  			break
 19709  		}
 19710  		v.reset(OpARM64CSEL)
 19711  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19712  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19713  		v0.AddArg2(x, y)
 19714  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19715  		v1.AuxInt = int64ToAuxInt(0)
 19716  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19717  		v2.AuxInt = int64ToAuxInt(64)
 19718  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 19719  		v3.AddArg(y)
 19720  		v2.AddArg(v3)
 19721  		v.AddArg3(v0, v1, v2)
 19722  		return true
 19723  	}
 19724  	return false
 19725  }
 19726  func rewriteValueARM64_OpLsh8x16(v *Value) bool {
 19727  	v_1 := v.Args[1]
 19728  	v_0 := v.Args[0]
 19729  	b := v.Block
 19730  	typ := &b.Func.Config.Types
 19731  	// match: (Lsh8x16 <t> x y)
 19732  	// cond: shiftIsBounded(v)
 19733  	// result: (SLL <t> x y)
 19734  	for {
 19735  		t := v.Type
 19736  		x := v_0
 19737  		y := v_1
 19738  		if !(shiftIsBounded(v)) {
 19739  			break
 19740  		}
 19741  		v.reset(OpARM64SLL)
 19742  		v.Type = t
 19743  		v.AddArg2(x, y)
 19744  		return true
 19745  	}
 19746  	// match: (Lsh8x16 <t> x y)
 19747  	// cond: !shiftIsBounded(v)
 19748  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y)))
 19749  	for {
 19750  		t := v.Type
 19751  		x := v_0
 19752  		y := v_1
 19753  		if !(!shiftIsBounded(v)) {
 19754  			break
 19755  		}
 19756  		v.reset(OpARM64CSEL)
 19757  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19758  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19759  		v0.AddArg2(x, y)
 19760  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19761  		v1.AuxInt = int64ToAuxInt(0)
 19762  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19763  		v2.AuxInt = int64ToAuxInt(64)
 19764  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 19765  		v3.AddArg(y)
 19766  		v2.AddArg(v3)
 19767  		v.AddArg3(v0, v1, v2)
 19768  		return true
 19769  	}
 19770  	return false
 19771  }
 19772  func rewriteValueARM64_OpLsh8x32(v *Value) bool {
 19773  	v_1 := v.Args[1]
 19774  	v_0 := v.Args[0]
 19775  	b := v.Block
 19776  	typ := &b.Func.Config.Types
 19777  	// match: (Lsh8x32 <t> x y)
 19778  	// cond: shiftIsBounded(v)
 19779  	// result: (SLL <t> x y)
 19780  	for {
 19781  		t := v.Type
 19782  		x := v_0
 19783  		y := v_1
 19784  		if !(shiftIsBounded(v)) {
 19785  			break
 19786  		}
 19787  		v.reset(OpARM64SLL)
 19788  		v.Type = t
 19789  		v.AddArg2(x, y)
 19790  		return true
 19791  	}
 19792  	// match: (Lsh8x32 <t> x y)
 19793  	// cond: !shiftIsBounded(v)
 19794  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y)))
 19795  	for {
 19796  		t := v.Type
 19797  		x := v_0
 19798  		y := v_1
 19799  		if !(!shiftIsBounded(v)) {
 19800  			break
 19801  		}
 19802  		v.reset(OpARM64CSEL)
 19803  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19804  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19805  		v0.AddArg2(x, y)
 19806  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19807  		v1.AuxInt = int64ToAuxInt(0)
 19808  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19809  		v2.AuxInt = int64ToAuxInt(64)
 19810  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 19811  		v3.AddArg(y)
 19812  		v2.AddArg(v3)
 19813  		v.AddArg3(v0, v1, v2)
 19814  		return true
 19815  	}
 19816  	return false
 19817  }
 19818  func rewriteValueARM64_OpLsh8x64(v *Value) bool {
 19819  	v_1 := v.Args[1]
 19820  	v_0 := v.Args[0]
 19821  	b := v.Block
 19822  	// match: (Lsh8x64 <t> x y)
 19823  	// cond: shiftIsBounded(v)
 19824  	// result: (SLL <t> x y)
 19825  	for {
 19826  		t := v.Type
 19827  		x := v_0
 19828  		y := v_1
 19829  		if !(shiftIsBounded(v)) {
 19830  			break
 19831  		}
 19832  		v.reset(OpARM64SLL)
 19833  		v.Type = t
 19834  		v.AddArg2(x, y)
 19835  		return true
 19836  	}
 19837  	// match: (Lsh8x64 <t> x y)
 19838  	// cond: !shiftIsBounded(v)
 19839  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] y))
 19840  	for {
 19841  		t := v.Type
 19842  		x := v_0
 19843  		y := v_1
 19844  		if !(!shiftIsBounded(v)) {
 19845  			break
 19846  		}
 19847  		v.reset(OpARM64CSEL)
 19848  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19849  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19850  		v0.AddArg2(x, y)
 19851  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19852  		v1.AuxInt = int64ToAuxInt(0)
 19853  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19854  		v2.AuxInt = int64ToAuxInt(64)
 19855  		v2.AddArg(y)
 19856  		v.AddArg3(v0, v1, v2)
 19857  		return true
 19858  	}
 19859  	return false
 19860  }
 19861  func rewriteValueARM64_OpLsh8x8(v *Value) bool {
 19862  	v_1 := v.Args[1]
 19863  	v_0 := v.Args[0]
 19864  	b := v.Block
 19865  	typ := &b.Func.Config.Types
 19866  	// match: (Lsh8x8 <t> x y)
 19867  	// cond: shiftIsBounded(v)
 19868  	// result: (SLL <t> x y)
 19869  	for {
 19870  		t := v.Type
 19871  		x := v_0
 19872  		y := v_1
 19873  		if !(shiftIsBounded(v)) {
 19874  			break
 19875  		}
 19876  		v.reset(OpARM64SLL)
 19877  		v.Type = t
 19878  		v.AddArg2(x, y)
 19879  		return true
 19880  	}
 19881  	// match: (Lsh8x8 <t> x y)
 19882  	// cond: !shiftIsBounded(v)
 19883  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y)))
 19884  	for {
 19885  		t := v.Type
 19886  		x := v_0
 19887  		y := v_1
 19888  		if !(!shiftIsBounded(v)) {
 19889  			break
 19890  		}
 19891  		v.reset(OpARM64CSEL)
 19892  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 19893  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 19894  		v0.AddArg2(x, y)
 19895  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 19896  		v1.AuxInt = int64ToAuxInt(0)
 19897  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19898  		v2.AuxInt = int64ToAuxInt(64)
 19899  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 19900  		v3.AddArg(y)
 19901  		v2.AddArg(v3)
 19902  		v.AddArg3(v0, v1, v2)
 19903  		return true
 19904  	}
 19905  	return false
 19906  }
 19907  func rewriteValueARM64_OpMod16(v *Value) bool {
 19908  	v_1 := v.Args[1]
 19909  	v_0 := v.Args[0]
 19910  	b := v.Block
 19911  	typ := &b.Func.Config.Types
 19912  	// match: (Mod16 x y)
 19913  	// result: (MODW (SignExt16to32 x) (SignExt16to32 y))
 19914  	for {
 19915  		x := v_0
 19916  		y := v_1
 19917  		v.reset(OpARM64MODW)
 19918  		v0 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 19919  		v0.AddArg(x)
 19920  		v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 19921  		v1.AddArg(y)
 19922  		v.AddArg2(v0, v1)
 19923  		return true
 19924  	}
 19925  }
 19926  func rewriteValueARM64_OpMod16u(v *Value) bool {
 19927  	v_1 := v.Args[1]
 19928  	v_0 := v.Args[0]
 19929  	b := v.Block
 19930  	typ := &b.Func.Config.Types
 19931  	// match: (Mod16u x y)
 19932  	// result: (UMODW (ZeroExt16to32 x) (ZeroExt16to32 y))
 19933  	for {
 19934  		x := v_0
 19935  		y := v_1
 19936  		v.reset(OpARM64UMODW)
 19937  		v0 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 19938  		v0.AddArg(x)
 19939  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 19940  		v1.AddArg(y)
 19941  		v.AddArg2(v0, v1)
 19942  		return true
 19943  	}
 19944  }
 19945  func rewriteValueARM64_OpMod32(v *Value) bool {
 19946  	v_1 := v.Args[1]
 19947  	v_0 := v.Args[0]
 19948  	// match: (Mod32 x y)
 19949  	// result: (MODW x y)
 19950  	for {
 19951  		x := v_0
 19952  		y := v_1
 19953  		v.reset(OpARM64MODW)
 19954  		v.AddArg2(x, y)
 19955  		return true
 19956  	}
 19957  }
 19958  func rewriteValueARM64_OpMod64(v *Value) bool {
 19959  	v_1 := v.Args[1]
 19960  	v_0 := v.Args[0]
 19961  	// match: (Mod64 x y)
 19962  	// result: (MOD x y)
 19963  	for {
 19964  		x := v_0
 19965  		y := v_1
 19966  		v.reset(OpARM64MOD)
 19967  		v.AddArg2(x, y)
 19968  		return true
 19969  	}
 19970  }
 19971  func rewriteValueARM64_OpMod8(v *Value) bool {
 19972  	v_1 := v.Args[1]
 19973  	v_0 := v.Args[0]
 19974  	b := v.Block
 19975  	typ := &b.Func.Config.Types
 19976  	// match: (Mod8 x y)
 19977  	// result: (MODW (SignExt8to32 x) (SignExt8to32 y))
 19978  	for {
 19979  		x := v_0
 19980  		y := v_1
 19981  		v.reset(OpARM64MODW)
 19982  		v0 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 19983  		v0.AddArg(x)
 19984  		v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 19985  		v1.AddArg(y)
 19986  		v.AddArg2(v0, v1)
 19987  		return true
 19988  	}
 19989  }
 19990  func rewriteValueARM64_OpMod8u(v *Value) bool {
 19991  	v_1 := v.Args[1]
 19992  	v_0 := v.Args[0]
 19993  	b := v.Block
 19994  	typ := &b.Func.Config.Types
 19995  	// match: (Mod8u x y)
 19996  	// result: (UMODW (ZeroExt8to32 x) (ZeroExt8to32 y))
 19997  	for {
 19998  		x := v_0
 19999  		y := v_1
 20000  		v.reset(OpARM64UMODW)
 20001  		v0 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 20002  		v0.AddArg(x)
 20003  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 20004  		v1.AddArg(y)
 20005  		v.AddArg2(v0, v1)
 20006  		return true
 20007  	}
 20008  }
 20009  func rewriteValueARM64_OpMove(v *Value) bool {
 20010  	v_2 := v.Args[2]
 20011  	v_1 := v.Args[1]
 20012  	v_0 := v.Args[0]
 20013  	b := v.Block
 20014  	config := b.Func.Config
 20015  	typ := &b.Func.Config.Types
 20016  	// match: (Move [0] _ _ mem)
 20017  	// result: mem
 20018  	for {
 20019  		if auxIntToInt64(v.AuxInt) != 0 {
 20020  			break
 20021  		}
 20022  		mem := v_2
 20023  		v.copyOf(mem)
 20024  		return true
 20025  	}
 20026  	// match: (Move [1] dst src mem)
 20027  	// result: (MOVBstore dst (MOVBUload src mem) mem)
 20028  	for {
 20029  		if auxIntToInt64(v.AuxInt) != 1 {
 20030  			break
 20031  		}
 20032  		dst := v_0
 20033  		src := v_1
 20034  		mem := v_2
 20035  		v.reset(OpARM64MOVBstore)
 20036  		v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8)
 20037  		v0.AddArg2(src, mem)
 20038  		v.AddArg3(dst, v0, mem)
 20039  		return true
 20040  	}
 20041  	// match: (Move [2] dst src mem)
 20042  	// result: (MOVHstore dst (MOVHUload src mem) mem)
 20043  	for {
 20044  		if auxIntToInt64(v.AuxInt) != 2 {
 20045  			break
 20046  		}
 20047  		dst := v_0
 20048  		src := v_1
 20049  		mem := v_2
 20050  		v.reset(OpARM64MOVHstore)
 20051  		v0 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16)
 20052  		v0.AddArg2(src, mem)
 20053  		v.AddArg3(dst, v0, mem)
 20054  		return true
 20055  	}
 20056  	// match: (Move [3] dst src mem)
 20057  	// result: (MOVBstore [2] dst (MOVBUload [2] src mem) (MOVHstore dst (MOVHUload src mem) mem))
 20058  	for {
 20059  		if auxIntToInt64(v.AuxInt) != 3 {
 20060  			break
 20061  		}
 20062  		dst := v_0
 20063  		src := v_1
 20064  		mem := v_2
 20065  		v.reset(OpARM64MOVBstore)
 20066  		v.AuxInt = int32ToAuxInt(2)
 20067  		v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8)
 20068  		v0.AuxInt = int32ToAuxInt(2)
 20069  		v0.AddArg2(src, mem)
 20070  		v1 := b.NewValue0(v.Pos, OpARM64MOVHstore, types.TypeMem)
 20071  		v2 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16)
 20072  		v2.AddArg2(src, mem)
 20073  		v1.AddArg3(dst, v2, mem)
 20074  		v.AddArg3(dst, v0, v1)
 20075  		return true
 20076  	}
 20077  	// match: (Move [4] dst src mem)
 20078  	// result: (MOVWstore dst (MOVWUload src mem) mem)
 20079  	for {
 20080  		if auxIntToInt64(v.AuxInt) != 4 {
 20081  			break
 20082  		}
 20083  		dst := v_0
 20084  		src := v_1
 20085  		mem := v_2
 20086  		v.reset(OpARM64MOVWstore)
 20087  		v0 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 20088  		v0.AddArg2(src, mem)
 20089  		v.AddArg3(dst, v0, mem)
 20090  		return true
 20091  	}
 20092  	// match: (Move [5] dst src mem)
 20093  	// result: (MOVBstore [4] dst (MOVBUload [4] src mem) (MOVWstore dst (MOVWUload src mem) mem))
 20094  	for {
 20095  		if auxIntToInt64(v.AuxInt) != 5 {
 20096  			break
 20097  		}
 20098  		dst := v_0
 20099  		src := v_1
 20100  		mem := v_2
 20101  		v.reset(OpARM64MOVBstore)
 20102  		v.AuxInt = int32ToAuxInt(4)
 20103  		v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8)
 20104  		v0.AuxInt = int32ToAuxInt(4)
 20105  		v0.AddArg2(src, mem)
 20106  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 20107  		v2 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 20108  		v2.AddArg2(src, mem)
 20109  		v1.AddArg3(dst, v2, mem)
 20110  		v.AddArg3(dst, v0, v1)
 20111  		return true
 20112  	}
 20113  	// match: (Move [6] dst src mem)
 20114  	// result: (MOVHstore [4] dst (MOVHUload [4] src mem) (MOVWstore dst (MOVWUload src mem) mem))
 20115  	for {
 20116  		if auxIntToInt64(v.AuxInt) != 6 {
 20117  			break
 20118  		}
 20119  		dst := v_0
 20120  		src := v_1
 20121  		mem := v_2
 20122  		v.reset(OpARM64MOVHstore)
 20123  		v.AuxInt = int32ToAuxInt(4)
 20124  		v0 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16)
 20125  		v0.AuxInt = int32ToAuxInt(4)
 20126  		v0.AddArg2(src, mem)
 20127  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 20128  		v2 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 20129  		v2.AddArg2(src, mem)
 20130  		v1.AddArg3(dst, v2, mem)
 20131  		v.AddArg3(dst, v0, v1)
 20132  		return true
 20133  	}
 20134  	// match: (Move [7] dst src mem)
 20135  	// result: (MOVWstore [3] dst (MOVWUload [3] src mem) (MOVWstore dst (MOVWUload src mem) mem))
 20136  	for {
 20137  		if auxIntToInt64(v.AuxInt) != 7 {
 20138  			break
 20139  		}
 20140  		dst := v_0
 20141  		src := v_1
 20142  		mem := v_2
 20143  		v.reset(OpARM64MOVWstore)
 20144  		v.AuxInt = int32ToAuxInt(3)
 20145  		v0 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 20146  		v0.AuxInt = int32ToAuxInt(3)
 20147  		v0.AddArg2(src, mem)
 20148  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 20149  		v2 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 20150  		v2.AddArg2(src, mem)
 20151  		v1.AddArg3(dst, v2, mem)
 20152  		v.AddArg3(dst, v0, v1)
 20153  		return true
 20154  	}
 20155  	// match: (Move [8] dst src mem)
 20156  	// result: (MOVDstore dst (MOVDload src mem) mem)
 20157  	for {
 20158  		if auxIntToInt64(v.AuxInt) != 8 {
 20159  			break
 20160  		}
 20161  		dst := v_0
 20162  		src := v_1
 20163  		mem := v_2
 20164  		v.reset(OpARM64MOVDstore)
 20165  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 20166  		v0.AddArg2(src, mem)
 20167  		v.AddArg3(dst, v0, mem)
 20168  		return true
 20169  	}
 20170  	// match: (Move [9] dst src mem)
 20171  	// result: (MOVBstore [8] dst (MOVBUload [8] src mem) (MOVDstore dst (MOVDload src mem) mem))
 20172  	for {
 20173  		if auxIntToInt64(v.AuxInt) != 9 {
 20174  			break
 20175  		}
 20176  		dst := v_0
 20177  		src := v_1
 20178  		mem := v_2
 20179  		v.reset(OpARM64MOVBstore)
 20180  		v.AuxInt = int32ToAuxInt(8)
 20181  		v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8)
 20182  		v0.AuxInt = int32ToAuxInt(8)
 20183  		v0.AddArg2(src, mem)
 20184  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 20185  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 20186  		v2.AddArg2(src, mem)
 20187  		v1.AddArg3(dst, v2, mem)
 20188  		v.AddArg3(dst, v0, v1)
 20189  		return true
 20190  	}
 20191  	// match: (Move [10] dst src mem)
 20192  	// result: (MOVHstore [8] dst (MOVHUload [8] src mem) (MOVDstore dst (MOVDload src mem) mem))
 20193  	for {
 20194  		if auxIntToInt64(v.AuxInt) != 10 {
 20195  			break
 20196  		}
 20197  		dst := v_0
 20198  		src := v_1
 20199  		mem := v_2
 20200  		v.reset(OpARM64MOVHstore)
 20201  		v.AuxInt = int32ToAuxInt(8)
 20202  		v0 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16)
 20203  		v0.AuxInt = int32ToAuxInt(8)
 20204  		v0.AddArg2(src, mem)
 20205  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 20206  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 20207  		v2.AddArg2(src, mem)
 20208  		v1.AddArg3(dst, v2, mem)
 20209  		v.AddArg3(dst, v0, v1)
 20210  		return true
 20211  	}
 20212  	// match: (Move [11] dst src mem)
 20213  	// result: (MOVDstore [3] dst (MOVDload [3] src mem) (MOVDstore dst (MOVDload src mem) mem))
 20214  	for {
 20215  		if auxIntToInt64(v.AuxInt) != 11 {
 20216  			break
 20217  		}
 20218  		dst := v_0
 20219  		src := v_1
 20220  		mem := v_2
 20221  		v.reset(OpARM64MOVDstore)
 20222  		v.AuxInt = int32ToAuxInt(3)
 20223  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 20224  		v0.AuxInt = int32ToAuxInt(3)
 20225  		v0.AddArg2(src, mem)
 20226  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 20227  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 20228  		v2.AddArg2(src, mem)
 20229  		v1.AddArg3(dst, v2, mem)
 20230  		v.AddArg3(dst, v0, v1)
 20231  		return true
 20232  	}
 20233  	// match: (Move [12] dst src mem)
 20234  	// result: (MOVWstore [8] dst (MOVWUload [8] src mem) (MOVDstore dst (MOVDload src mem) mem))
 20235  	for {
 20236  		if auxIntToInt64(v.AuxInt) != 12 {
 20237  			break
 20238  		}
 20239  		dst := v_0
 20240  		src := v_1
 20241  		mem := v_2
 20242  		v.reset(OpARM64MOVWstore)
 20243  		v.AuxInt = int32ToAuxInt(8)
 20244  		v0 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 20245  		v0.AuxInt = int32ToAuxInt(8)
 20246  		v0.AddArg2(src, mem)
 20247  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 20248  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 20249  		v2.AddArg2(src, mem)
 20250  		v1.AddArg3(dst, v2, mem)
 20251  		v.AddArg3(dst, v0, v1)
 20252  		return true
 20253  	}
 20254  	// match: (Move [13] dst src mem)
 20255  	// result: (MOVDstore [5] dst (MOVDload [5] src mem) (MOVDstore dst (MOVDload src mem) mem))
 20256  	for {
 20257  		if auxIntToInt64(v.AuxInt) != 13 {
 20258  			break
 20259  		}
 20260  		dst := v_0
 20261  		src := v_1
 20262  		mem := v_2
 20263  		v.reset(OpARM64MOVDstore)
 20264  		v.AuxInt = int32ToAuxInt(5)
 20265  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 20266  		v0.AuxInt = int32ToAuxInt(5)
 20267  		v0.AddArg2(src, mem)
 20268  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 20269  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 20270  		v2.AddArg2(src, mem)
 20271  		v1.AddArg3(dst, v2, mem)
 20272  		v.AddArg3(dst, v0, v1)
 20273  		return true
 20274  	}
 20275  	// match: (Move [14] dst src mem)
 20276  	// result: (MOVDstore [6] dst (MOVDload [6] src mem) (MOVDstore dst (MOVDload src mem) mem))
 20277  	for {
 20278  		if auxIntToInt64(v.AuxInt) != 14 {
 20279  			break
 20280  		}
 20281  		dst := v_0
 20282  		src := v_1
 20283  		mem := v_2
 20284  		v.reset(OpARM64MOVDstore)
 20285  		v.AuxInt = int32ToAuxInt(6)
 20286  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 20287  		v0.AuxInt = int32ToAuxInt(6)
 20288  		v0.AddArg2(src, mem)
 20289  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 20290  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 20291  		v2.AddArg2(src, mem)
 20292  		v1.AddArg3(dst, v2, mem)
 20293  		v.AddArg3(dst, v0, v1)
 20294  		return true
 20295  	}
 20296  	// match: (Move [15] dst src mem)
 20297  	// result: (MOVDstore [7] dst (MOVDload [7] src mem) (MOVDstore dst (MOVDload src mem) mem))
 20298  	for {
 20299  		if auxIntToInt64(v.AuxInt) != 15 {
 20300  			break
 20301  		}
 20302  		dst := v_0
 20303  		src := v_1
 20304  		mem := v_2
 20305  		v.reset(OpARM64MOVDstore)
 20306  		v.AuxInt = int32ToAuxInt(7)
 20307  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 20308  		v0.AuxInt = int32ToAuxInt(7)
 20309  		v0.AddArg2(src, mem)
 20310  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 20311  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 20312  		v2.AddArg2(src, mem)
 20313  		v1.AddArg3(dst, v2, mem)
 20314  		v.AddArg3(dst, v0, v1)
 20315  		return true
 20316  	}
 20317  	// match: (Move [16] dst src mem)
 20318  	// result: (STP dst (Select0 <typ.UInt64> (LDP src mem)) (Select1 <typ.UInt64> (LDP src mem)) mem)
 20319  	for {
 20320  		if auxIntToInt64(v.AuxInt) != 16 {
 20321  			break
 20322  		}
 20323  		dst := v_0
 20324  		src := v_1
 20325  		mem := v_2
 20326  		v.reset(OpARM64STP)
 20327  		v0 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 20328  		v1 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 20329  		v1.AddArg2(src, mem)
 20330  		v0.AddArg(v1)
 20331  		v2 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 20332  		v2.AddArg(v1)
 20333  		v.AddArg4(dst, v0, v2, mem)
 20334  		return true
 20335  	}
 20336  	// match: (Move [32] dst src mem)
 20337  	// result: (STP [16] dst (Select0 <typ.UInt64> (LDP [16] src mem)) (Select1 <typ.UInt64> (LDP [16] src mem)) (STP dst (Select0 <typ.UInt64> (LDP src mem)) (Select1 <typ.UInt64> (LDP src mem)) mem))
 20338  	for {
 20339  		if auxIntToInt64(v.AuxInt) != 32 {
 20340  			break
 20341  		}
 20342  		dst := v_0
 20343  		src := v_1
 20344  		mem := v_2
 20345  		v.reset(OpARM64STP)
 20346  		v.AuxInt = int32ToAuxInt(16)
 20347  		v0 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 20348  		v1 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 20349  		v1.AuxInt = int32ToAuxInt(16)
 20350  		v1.AddArg2(src, mem)
 20351  		v0.AddArg(v1)
 20352  		v2 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 20353  		v2.AddArg(v1)
 20354  		v3 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 20355  		v4 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 20356  		v5 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 20357  		v5.AddArg2(src, mem)
 20358  		v4.AddArg(v5)
 20359  		v6 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 20360  		v6.AddArg(v5)
 20361  		v3.AddArg4(dst, v4, v6, mem)
 20362  		v.AddArg4(dst, v0, v2, v3)
 20363  		return true
 20364  	}
 20365  	// match: (Move [48] dst src mem)
 20366  	// result: (STP [32] dst (Select0 <typ.UInt64> (LDP [32] src mem)) (Select1 <typ.UInt64> (LDP [32] src mem)) (STP [16] dst (Select0 <typ.UInt64> (LDP [16] src mem)) (Select1 <typ.UInt64> (LDP [16] src mem)) (STP dst (Select0 <typ.UInt64> (LDP src mem)) (Select1 <typ.UInt64> (LDP src mem)) mem)))
 20367  	for {
 20368  		if auxIntToInt64(v.AuxInt) != 48 {
 20369  			break
 20370  		}
 20371  		dst := v_0
 20372  		src := v_1
 20373  		mem := v_2
 20374  		v.reset(OpARM64STP)
 20375  		v.AuxInt = int32ToAuxInt(32)
 20376  		v0 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 20377  		v1 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 20378  		v1.AuxInt = int32ToAuxInt(32)
 20379  		v1.AddArg2(src, mem)
 20380  		v0.AddArg(v1)
 20381  		v2 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 20382  		v2.AddArg(v1)
 20383  		v3 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 20384  		v3.AuxInt = int32ToAuxInt(16)
 20385  		v4 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 20386  		v5 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 20387  		v5.AuxInt = int32ToAuxInt(16)
 20388  		v5.AddArg2(src, mem)
 20389  		v4.AddArg(v5)
 20390  		v6 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 20391  		v6.AddArg(v5)
 20392  		v7 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 20393  		v8 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 20394  		v9 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 20395  		v9.AddArg2(src, mem)
 20396  		v8.AddArg(v9)
 20397  		v10 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 20398  		v10.AddArg(v9)
 20399  		v7.AddArg4(dst, v8, v10, mem)
 20400  		v3.AddArg4(dst, v4, v6, v7)
 20401  		v.AddArg4(dst, v0, v2, v3)
 20402  		return true
 20403  	}
 20404  	// match: (Move [64] dst src mem)
 20405  	// result: (STP [48] dst (Select0 <typ.UInt64> (LDP [48] src mem)) (Select1 <typ.UInt64> (LDP [48] src mem)) (STP [32] dst (Select0 <typ.UInt64> (LDP [32] src mem)) (Select1 <typ.UInt64> (LDP [32] src mem)) (STP [16] dst (Select0 <typ.UInt64> (LDP [16] src mem)) (Select1 <typ.UInt64> (LDP [16] src mem)) (STP dst (Select0 <typ.UInt64> (LDP src mem)) (Select1 <typ.UInt64> (LDP src mem)) mem))))
 20406  	for {
 20407  		if auxIntToInt64(v.AuxInt) != 64 {
 20408  			break
 20409  		}
 20410  		dst := v_0
 20411  		src := v_1
 20412  		mem := v_2
 20413  		v.reset(OpARM64STP)
 20414  		v.AuxInt = int32ToAuxInt(48)
 20415  		v0 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 20416  		v1 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 20417  		v1.AuxInt = int32ToAuxInt(48)
 20418  		v1.AddArg2(src, mem)
 20419  		v0.AddArg(v1)
 20420  		v2 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 20421  		v2.AddArg(v1)
 20422  		v3 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 20423  		v3.AuxInt = int32ToAuxInt(32)
 20424  		v4 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 20425  		v5 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 20426  		v5.AuxInt = int32ToAuxInt(32)
 20427  		v5.AddArg2(src, mem)
 20428  		v4.AddArg(v5)
 20429  		v6 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 20430  		v6.AddArg(v5)
 20431  		v7 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 20432  		v7.AuxInt = int32ToAuxInt(16)
 20433  		v8 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 20434  		v9 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 20435  		v9.AuxInt = int32ToAuxInt(16)
 20436  		v9.AddArg2(src, mem)
 20437  		v8.AddArg(v9)
 20438  		v10 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 20439  		v10.AddArg(v9)
 20440  		v11 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 20441  		v12 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 20442  		v13 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 20443  		v13.AddArg2(src, mem)
 20444  		v12.AddArg(v13)
 20445  		v14 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 20446  		v14.AddArg(v13)
 20447  		v11.AddArg4(dst, v12, v14, mem)
 20448  		v7.AddArg4(dst, v8, v10, v11)
 20449  		v3.AddArg4(dst, v4, v6, v7)
 20450  		v.AddArg4(dst, v0, v2, v3)
 20451  		return true
 20452  	}
 20453  	// match: (Move [s] dst src mem)
 20454  	// cond: s%16 != 0 && s%16 <= 8 && s > 16
 20455  	// result: (Move [8] (OffPtr <dst.Type> dst [s-8]) (OffPtr <src.Type> src [s-8]) (Move [s-s%16] dst src mem))
 20456  	for {
 20457  		s := auxIntToInt64(v.AuxInt)
 20458  		dst := v_0
 20459  		src := v_1
 20460  		mem := v_2
 20461  		if !(s%16 != 0 && s%16 <= 8 && s > 16) {
 20462  			break
 20463  		}
 20464  		v.reset(OpMove)
 20465  		v.AuxInt = int64ToAuxInt(8)
 20466  		v0 := b.NewValue0(v.Pos, OpOffPtr, dst.Type)
 20467  		v0.AuxInt = int64ToAuxInt(s - 8)
 20468  		v0.AddArg(dst)
 20469  		v1 := b.NewValue0(v.Pos, OpOffPtr, src.Type)
 20470  		v1.AuxInt = int64ToAuxInt(s - 8)
 20471  		v1.AddArg(src)
 20472  		v2 := b.NewValue0(v.Pos, OpMove, types.TypeMem)
 20473  		v2.AuxInt = int64ToAuxInt(s - s%16)
 20474  		v2.AddArg3(dst, src, mem)
 20475  		v.AddArg3(v0, v1, v2)
 20476  		return true
 20477  	}
 20478  	// match: (Move [s] dst src mem)
 20479  	// cond: s%16 != 0 && s%16 > 8 && s > 16
 20480  	// result: (Move [16] (OffPtr <dst.Type> dst [s-16]) (OffPtr <src.Type> src [s-16]) (Move [s-s%16] dst src mem))
 20481  	for {
 20482  		s := auxIntToInt64(v.AuxInt)
 20483  		dst := v_0
 20484  		src := v_1
 20485  		mem := v_2
 20486  		if !(s%16 != 0 && s%16 > 8 && s > 16) {
 20487  			break
 20488  		}
 20489  		v.reset(OpMove)
 20490  		v.AuxInt = int64ToAuxInt(16)
 20491  		v0 := b.NewValue0(v.Pos, OpOffPtr, dst.Type)
 20492  		v0.AuxInt = int64ToAuxInt(s - 16)
 20493  		v0.AddArg(dst)
 20494  		v1 := b.NewValue0(v.Pos, OpOffPtr, src.Type)
 20495  		v1.AuxInt = int64ToAuxInt(s - 16)
 20496  		v1.AddArg(src)
 20497  		v2 := b.NewValue0(v.Pos, OpMove, types.TypeMem)
 20498  		v2.AuxInt = int64ToAuxInt(s - s%16)
 20499  		v2.AddArg3(dst, src, mem)
 20500  		v.AddArg3(v0, v1, v2)
 20501  		return true
 20502  	}
 20503  	// match: (Move [s] dst src mem)
 20504  	// cond: s > 64 && s <= 16*64 && s%16 == 0 && !config.noDuffDevice && logLargeCopy(v, s)
 20505  	// result: (DUFFCOPY [8 * (64 - s/16)] dst src mem)
 20506  	for {
 20507  		s := auxIntToInt64(v.AuxInt)
 20508  		dst := v_0
 20509  		src := v_1
 20510  		mem := v_2
 20511  		if !(s > 64 && s <= 16*64 && s%16 == 0 && !config.noDuffDevice && logLargeCopy(v, s)) {
 20512  			break
 20513  		}
 20514  		v.reset(OpARM64DUFFCOPY)
 20515  		v.AuxInt = int64ToAuxInt(8 * (64 - s/16))
 20516  		v.AddArg3(dst, src, mem)
 20517  		return true
 20518  	}
 20519  	// match: (Move [s] dst src mem)
 20520  	// cond: s%16 == 0 && (s > 16*64 || config.noDuffDevice) && logLargeCopy(v, s)
 20521  	// result: (LoweredMove dst src (ADDconst <src.Type> src [s-16]) mem)
 20522  	for {
 20523  		s := auxIntToInt64(v.AuxInt)
 20524  		dst := v_0
 20525  		src := v_1
 20526  		mem := v_2
 20527  		if !(s%16 == 0 && (s > 16*64 || config.noDuffDevice) && logLargeCopy(v, s)) {
 20528  			break
 20529  		}
 20530  		v.reset(OpARM64LoweredMove)
 20531  		v0 := b.NewValue0(v.Pos, OpARM64ADDconst, src.Type)
 20532  		v0.AuxInt = int64ToAuxInt(s - 16)
 20533  		v0.AddArg(src)
 20534  		v.AddArg4(dst, src, v0, mem)
 20535  		return true
 20536  	}
 20537  	return false
 20538  }
 20539  func rewriteValueARM64_OpNeq16(v *Value) bool {
 20540  	v_1 := v.Args[1]
 20541  	v_0 := v.Args[0]
 20542  	b := v.Block
 20543  	typ := &b.Func.Config.Types
 20544  	// match: (Neq16 x y)
 20545  	// result: (NotEqual (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y)))
 20546  	for {
 20547  		x := v_0
 20548  		y := v_1
 20549  		v.reset(OpARM64NotEqual)
 20550  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20551  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 20552  		v1.AddArg(x)
 20553  		v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 20554  		v2.AddArg(y)
 20555  		v0.AddArg2(v1, v2)
 20556  		v.AddArg(v0)
 20557  		return true
 20558  	}
 20559  }
 20560  func rewriteValueARM64_OpNeq32(v *Value) bool {
 20561  	v_1 := v.Args[1]
 20562  	v_0 := v.Args[0]
 20563  	b := v.Block
 20564  	// match: (Neq32 x y)
 20565  	// result: (NotEqual (CMPW x y))
 20566  	for {
 20567  		x := v_0
 20568  		y := v_1
 20569  		v.reset(OpARM64NotEqual)
 20570  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20571  		v0.AddArg2(x, y)
 20572  		v.AddArg(v0)
 20573  		return true
 20574  	}
 20575  }
 20576  func rewriteValueARM64_OpNeq32F(v *Value) bool {
 20577  	v_1 := v.Args[1]
 20578  	v_0 := v.Args[0]
 20579  	b := v.Block
 20580  	// match: (Neq32F x y)
 20581  	// result: (NotEqual (FCMPS x y))
 20582  	for {
 20583  		x := v_0
 20584  		y := v_1
 20585  		v.reset(OpARM64NotEqual)
 20586  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags)
 20587  		v0.AddArg2(x, y)
 20588  		v.AddArg(v0)
 20589  		return true
 20590  	}
 20591  }
 20592  func rewriteValueARM64_OpNeq64(v *Value) bool {
 20593  	v_1 := v.Args[1]
 20594  	v_0 := v.Args[0]
 20595  	b := v.Block
 20596  	// match: (Neq64 x y)
 20597  	// result: (NotEqual (CMP x y))
 20598  	for {
 20599  		x := v_0
 20600  		y := v_1
 20601  		v.reset(OpARM64NotEqual)
 20602  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 20603  		v0.AddArg2(x, y)
 20604  		v.AddArg(v0)
 20605  		return true
 20606  	}
 20607  }
 20608  func rewriteValueARM64_OpNeq64F(v *Value) bool {
 20609  	v_1 := v.Args[1]
 20610  	v_0 := v.Args[0]
 20611  	b := v.Block
 20612  	// match: (Neq64F x y)
 20613  	// result: (NotEqual (FCMPD x y))
 20614  	for {
 20615  		x := v_0
 20616  		y := v_1
 20617  		v.reset(OpARM64NotEqual)
 20618  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags)
 20619  		v0.AddArg2(x, y)
 20620  		v.AddArg(v0)
 20621  		return true
 20622  	}
 20623  }
 20624  func rewriteValueARM64_OpNeq8(v *Value) bool {
 20625  	v_1 := v.Args[1]
 20626  	v_0 := v.Args[0]
 20627  	b := v.Block
 20628  	typ := &b.Func.Config.Types
 20629  	// match: (Neq8 x y)
 20630  	// result: (NotEqual (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y)))
 20631  	for {
 20632  		x := v_0
 20633  		y := v_1
 20634  		v.reset(OpARM64NotEqual)
 20635  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 20636  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 20637  		v1.AddArg(x)
 20638  		v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 20639  		v2.AddArg(y)
 20640  		v0.AddArg2(v1, v2)
 20641  		v.AddArg(v0)
 20642  		return true
 20643  	}
 20644  }
 20645  func rewriteValueARM64_OpNeqPtr(v *Value) bool {
 20646  	v_1 := v.Args[1]
 20647  	v_0 := v.Args[0]
 20648  	b := v.Block
 20649  	// match: (NeqPtr x y)
 20650  	// result: (NotEqual (CMP x y))
 20651  	for {
 20652  		x := v_0
 20653  		y := v_1
 20654  		v.reset(OpARM64NotEqual)
 20655  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 20656  		v0.AddArg2(x, y)
 20657  		v.AddArg(v0)
 20658  		return true
 20659  	}
 20660  }
 20661  func rewriteValueARM64_OpNot(v *Value) bool {
 20662  	v_0 := v.Args[0]
 20663  	b := v.Block
 20664  	typ := &b.Func.Config.Types
 20665  	// match: (Not x)
 20666  	// result: (XOR (MOVDconst [1]) x)
 20667  	for {
 20668  		x := v_0
 20669  		v.reset(OpARM64XOR)
 20670  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 20671  		v0.AuxInt = int64ToAuxInt(1)
 20672  		v.AddArg2(v0, x)
 20673  		return true
 20674  	}
 20675  }
 20676  func rewriteValueARM64_OpOffPtr(v *Value) bool {
 20677  	v_0 := v.Args[0]
 20678  	// match: (OffPtr [off] ptr:(SP))
 20679  	// cond: is32Bit(off)
 20680  	// result: (MOVDaddr [int32(off)] ptr)
 20681  	for {
 20682  		off := auxIntToInt64(v.AuxInt)
 20683  		ptr := v_0
 20684  		if ptr.Op != OpSP || !(is32Bit(off)) {
 20685  			break
 20686  		}
 20687  		v.reset(OpARM64MOVDaddr)
 20688  		v.AuxInt = int32ToAuxInt(int32(off))
 20689  		v.AddArg(ptr)
 20690  		return true
 20691  	}
 20692  	// match: (OffPtr [off] ptr)
 20693  	// result: (ADDconst [off] ptr)
 20694  	for {
 20695  		off := auxIntToInt64(v.AuxInt)
 20696  		ptr := v_0
 20697  		v.reset(OpARM64ADDconst)
 20698  		v.AuxInt = int64ToAuxInt(off)
 20699  		v.AddArg(ptr)
 20700  		return true
 20701  	}
 20702  }
 20703  func rewriteValueARM64_OpPanicBounds(v *Value) bool {
 20704  	v_2 := v.Args[2]
 20705  	v_1 := v.Args[1]
 20706  	v_0 := v.Args[0]
 20707  	// match: (PanicBounds [kind] x y mem)
 20708  	// cond: boundsABI(kind) == 0
 20709  	// result: (LoweredPanicBoundsA [kind] x y mem)
 20710  	for {
 20711  		kind := auxIntToInt64(v.AuxInt)
 20712  		x := v_0
 20713  		y := v_1
 20714  		mem := v_2
 20715  		if !(boundsABI(kind) == 0) {
 20716  			break
 20717  		}
 20718  		v.reset(OpARM64LoweredPanicBoundsA)
 20719  		v.AuxInt = int64ToAuxInt(kind)
 20720  		v.AddArg3(x, y, mem)
 20721  		return true
 20722  	}
 20723  	// match: (PanicBounds [kind] x y mem)
 20724  	// cond: boundsABI(kind) == 1
 20725  	// result: (LoweredPanicBoundsB [kind] x y mem)
 20726  	for {
 20727  		kind := auxIntToInt64(v.AuxInt)
 20728  		x := v_0
 20729  		y := v_1
 20730  		mem := v_2
 20731  		if !(boundsABI(kind) == 1) {
 20732  			break
 20733  		}
 20734  		v.reset(OpARM64LoweredPanicBoundsB)
 20735  		v.AuxInt = int64ToAuxInt(kind)
 20736  		v.AddArg3(x, y, mem)
 20737  		return true
 20738  	}
 20739  	// match: (PanicBounds [kind] x y mem)
 20740  	// cond: boundsABI(kind) == 2
 20741  	// result: (LoweredPanicBoundsC [kind] x y mem)
 20742  	for {
 20743  		kind := auxIntToInt64(v.AuxInt)
 20744  		x := v_0
 20745  		y := v_1
 20746  		mem := v_2
 20747  		if !(boundsABI(kind) == 2) {
 20748  			break
 20749  		}
 20750  		v.reset(OpARM64LoweredPanicBoundsC)
 20751  		v.AuxInt = int64ToAuxInt(kind)
 20752  		v.AddArg3(x, y, mem)
 20753  		return true
 20754  	}
 20755  	return false
 20756  }
 20757  func rewriteValueARM64_OpPopCount16(v *Value) bool {
 20758  	v_0 := v.Args[0]
 20759  	b := v.Block
 20760  	typ := &b.Func.Config.Types
 20761  	// match: (PopCount16 <t> x)
 20762  	// result: (FMOVDfpgp <t> (VUADDLV <typ.Float64> (VCNT <typ.Float64> (FMOVDgpfp <typ.Float64> (ZeroExt16to64 x)))))
 20763  	for {
 20764  		t := v.Type
 20765  		x := v_0
 20766  		v.reset(OpARM64FMOVDfpgp)
 20767  		v.Type = t
 20768  		v0 := b.NewValue0(v.Pos, OpARM64VUADDLV, typ.Float64)
 20769  		v1 := b.NewValue0(v.Pos, OpARM64VCNT, typ.Float64)
 20770  		v2 := b.NewValue0(v.Pos, OpARM64FMOVDgpfp, typ.Float64)
 20771  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 20772  		v3.AddArg(x)
 20773  		v2.AddArg(v3)
 20774  		v1.AddArg(v2)
 20775  		v0.AddArg(v1)
 20776  		v.AddArg(v0)
 20777  		return true
 20778  	}
 20779  }
 20780  func rewriteValueARM64_OpPopCount32(v *Value) bool {
 20781  	v_0 := v.Args[0]
 20782  	b := v.Block
 20783  	typ := &b.Func.Config.Types
 20784  	// match: (PopCount32 <t> x)
 20785  	// result: (FMOVDfpgp <t> (VUADDLV <typ.Float64> (VCNT <typ.Float64> (FMOVDgpfp <typ.Float64> (ZeroExt32to64 x)))))
 20786  	for {
 20787  		t := v.Type
 20788  		x := v_0
 20789  		v.reset(OpARM64FMOVDfpgp)
 20790  		v.Type = t
 20791  		v0 := b.NewValue0(v.Pos, OpARM64VUADDLV, typ.Float64)
 20792  		v1 := b.NewValue0(v.Pos, OpARM64VCNT, typ.Float64)
 20793  		v2 := b.NewValue0(v.Pos, OpARM64FMOVDgpfp, typ.Float64)
 20794  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 20795  		v3.AddArg(x)
 20796  		v2.AddArg(v3)
 20797  		v1.AddArg(v2)
 20798  		v0.AddArg(v1)
 20799  		v.AddArg(v0)
 20800  		return true
 20801  	}
 20802  }
 20803  func rewriteValueARM64_OpPopCount64(v *Value) bool {
 20804  	v_0 := v.Args[0]
 20805  	b := v.Block
 20806  	typ := &b.Func.Config.Types
 20807  	// match: (PopCount64 <t> x)
 20808  	// result: (FMOVDfpgp <t> (VUADDLV <typ.Float64> (VCNT <typ.Float64> (FMOVDgpfp <typ.Float64> x))))
 20809  	for {
 20810  		t := v.Type
 20811  		x := v_0
 20812  		v.reset(OpARM64FMOVDfpgp)
 20813  		v.Type = t
 20814  		v0 := b.NewValue0(v.Pos, OpARM64VUADDLV, typ.Float64)
 20815  		v1 := b.NewValue0(v.Pos, OpARM64VCNT, typ.Float64)
 20816  		v2 := b.NewValue0(v.Pos, OpARM64FMOVDgpfp, typ.Float64)
 20817  		v2.AddArg(x)
 20818  		v1.AddArg(v2)
 20819  		v0.AddArg(v1)
 20820  		v.AddArg(v0)
 20821  		return true
 20822  	}
 20823  }
 20824  func rewriteValueARM64_OpPrefetchCache(v *Value) bool {
 20825  	v_1 := v.Args[1]
 20826  	v_0 := v.Args[0]
 20827  	// match: (PrefetchCache addr mem)
 20828  	// result: (PRFM [0] addr mem)
 20829  	for {
 20830  		addr := v_0
 20831  		mem := v_1
 20832  		v.reset(OpARM64PRFM)
 20833  		v.AuxInt = int64ToAuxInt(0)
 20834  		v.AddArg2(addr, mem)
 20835  		return true
 20836  	}
 20837  }
 20838  func rewriteValueARM64_OpPrefetchCacheStreamed(v *Value) bool {
 20839  	v_1 := v.Args[1]
 20840  	v_0 := v.Args[0]
 20841  	// match: (PrefetchCacheStreamed addr mem)
 20842  	// result: (PRFM [1] addr mem)
 20843  	for {
 20844  		addr := v_0
 20845  		mem := v_1
 20846  		v.reset(OpARM64PRFM)
 20847  		v.AuxInt = int64ToAuxInt(1)
 20848  		v.AddArg2(addr, mem)
 20849  		return true
 20850  	}
 20851  }
 20852  func rewriteValueARM64_OpPubBarrier(v *Value) bool {
 20853  	v_0 := v.Args[0]
 20854  	// match: (PubBarrier mem)
 20855  	// result: (DMB [0xe] mem)
 20856  	for {
 20857  		mem := v_0
 20858  		v.reset(OpARM64DMB)
 20859  		v.AuxInt = int64ToAuxInt(0xe)
 20860  		v.AddArg(mem)
 20861  		return true
 20862  	}
 20863  }
 20864  func rewriteValueARM64_OpRotateLeft16(v *Value) bool {
 20865  	v_1 := v.Args[1]
 20866  	v_0 := v.Args[0]
 20867  	b := v.Block
 20868  	typ := &b.Func.Config.Types
 20869  	// match: (RotateLeft16 <t> x (MOVDconst [c]))
 20870  	// result: (Or16 (Lsh16x64 <t> x (MOVDconst [c&15])) (Rsh16Ux64 <t> x (MOVDconst [-c&15])))
 20871  	for {
 20872  		t := v.Type
 20873  		x := v_0
 20874  		if v_1.Op != OpARM64MOVDconst {
 20875  			break
 20876  		}
 20877  		c := auxIntToInt64(v_1.AuxInt)
 20878  		v.reset(OpOr16)
 20879  		v0 := b.NewValue0(v.Pos, OpLsh16x64, t)
 20880  		v1 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 20881  		v1.AuxInt = int64ToAuxInt(c & 15)
 20882  		v0.AddArg2(x, v1)
 20883  		v2 := b.NewValue0(v.Pos, OpRsh16Ux64, t)
 20884  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 20885  		v3.AuxInt = int64ToAuxInt(-c & 15)
 20886  		v2.AddArg2(x, v3)
 20887  		v.AddArg2(v0, v2)
 20888  		return true
 20889  	}
 20890  	// match: (RotateLeft16 <t> x y)
 20891  	// result: (RORW <t> (ORshiftLL <typ.UInt32> (ZeroExt16to32 x) (ZeroExt16to32 x) [16]) (NEG <typ.Int64> y))
 20892  	for {
 20893  		t := v.Type
 20894  		x := v_0
 20895  		y := v_1
 20896  		v.reset(OpARM64RORW)
 20897  		v.Type = t
 20898  		v0 := b.NewValue0(v.Pos, OpARM64ORshiftLL, typ.UInt32)
 20899  		v0.AuxInt = int64ToAuxInt(16)
 20900  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 20901  		v1.AddArg(x)
 20902  		v0.AddArg2(v1, v1)
 20903  		v2 := b.NewValue0(v.Pos, OpARM64NEG, typ.Int64)
 20904  		v2.AddArg(y)
 20905  		v.AddArg2(v0, v2)
 20906  		return true
 20907  	}
 20908  }
 20909  func rewriteValueARM64_OpRotateLeft32(v *Value) bool {
 20910  	v_1 := v.Args[1]
 20911  	v_0 := v.Args[0]
 20912  	b := v.Block
 20913  	// match: (RotateLeft32 x y)
 20914  	// result: (RORW x (NEG <y.Type> y))
 20915  	for {
 20916  		x := v_0
 20917  		y := v_1
 20918  		v.reset(OpARM64RORW)
 20919  		v0 := b.NewValue0(v.Pos, OpARM64NEG, y.Type)
 20920  		v0.AddArg(y)
 20921  		v.AddArg2(x, v0)
 20922  		return true
 20923  	}
 20924  }
 20925  func rewriteValueARM64_OpRotateLeft64(v *Value) bool {
 20926  	v_1 := v.Args[1]
 20927  	v_0 := v.Args[0]
 20928  	b := v.Block
 20929  	// match: (RotateLeft64 x y)
 20930  	// result: (ROR x (NEG <y.Type> y))
 20931  	for {
 20932  		x := v_0
 20933  		y := v_1
 20934  		v.reset(OpARM64ROR)
 20935  		v0 := b.NewValue0(v.Pos, OpARM64NEG, y.Type)
 20936  		v0.AddArg(y)
 20937  		v.AddArg2(x, v0)
 20938  		return true
 20939  	}
 20940  }
 20941  func rewriteValueARM64_OpRotateLeft8(v *Value) bool {
 20942  	v_1 := v.Args[1]
 20943  	v_0 := v.Args[0]
 20944  	b := v.Block
 20945  	typ := &b.Func.Config.Types
 20946  	// match: (RotateLeft8 <t> x (MOVDconst [c]))
 20947  	// result: (Or8 (Lsh8x64 <t> x (MOVDconst [c&7])) (Rsh8Ux64 <t> x (MOVDconst [-c&7])))
 20948  	for {
 20949  		t := v.Type
 20950  		x := v_0
 20951  		if v_1.Op != OpARM64MOVDconst {
 20952  			break
 20953  		}
 20954  		c := auxIntToInt64(v_1.AuxInt)
 20955  		v.reset(OpOr8)
 20956  		v0 := b.NewValue0(v.Pos, OpLsh8x64, t)
 20957  		v1 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 20958  		v1.AuxInt = int64ToAuxInt(c & 7)
 20959  		v0.AddArg2(x, v1)
 20960  		v2 := b.NewValue0(v.Pos, OpRsh8Ux64, t)
 20961  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 20962  		v3.AuxInt = int64ToAuxInt(-c & 7)
 20963  		v2.AddArg2(x, v3)
 20964  		v.AddArg2(v0, v2)
 20965  		return true
 20966  	}
 20967  	// match: (RotateLeft8 <t> x y)
 20968  	// result: (OR <t> (SLL <t> x (ANDconst <typ.Int64> [7] y)) (SRL <t> (ZeroExt8to64 x) (ANDconst <typ.Int64> [7] (NEG <typ.Int64> y))))
 20969  	for {
 20970  		t := v.Type
 20971  		x := v_0
 20972  		y := v_1
 20973  		v.reset(OpARM64OR)
 20974  		v.Type = t
 20975  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 20976  		v1 := b.NewValue0(v.Pos, OpARM64ANDconst, typ.Int64)
 20977  		v1.AuxInt = int64ToAuxInt(7)
 20978  		v1.AddArg(y)
 20979  		v0.AddArg2(x, v1)
 20980  		v2 := b.NewValue0(v.Pos, OpARM64SRL, t)
 20981  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 20982  		v3.AddArg(x)
 20983  		v4 := b.NewValue0(v.Pos, OpARM64ANDconst, typ.Int64)
 20984  		v4.AuxInt = int64ToAuxInt(7)
 20985  		v5 := b.NewValue0(v.Pos, OpARM64NEG, typ.Int64)
 20986  		v5.AddArg(y)
 20987  		v4.AddArg(v5)
 20988  		v2.AddArg2(v3, v4)
 20989  		v.AddArg2(v0, v2)
 20990  		return true
 20991  	}
 20992  }
 20993  func rewriteValueARM64_OpRsh16Ux16(v *Value) bool {
 20994  	v_1 := v.Args[1]
 20995  	v_0 := v.Args[0]
 20996  	b := v.Block
 20997  	typ := &b.Func.Config.Types
 20998  	// match: (Rsh16Ux16 <t> x y)
 20999  	// cond: shiftIsBounded(v)
 21000  	// result: (SRL <t> (ZeroExt16to64 x) y)
 21001  	for {
 21002  		t := v.Type
 21003  		x := v_0
 21004  		y := v_1
 21005  		if !(shiftIsBounded(v)) {
 21006  			break
 21007  		}
 21008  		v.reset(OpARM64SRL)
 21009  		v.Type = t
 21010  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21011  		v0.AddArg(x)
 21012  		v.AddArg2(v0, y)
 21013  		return true
 21014  	}
 21015  	// match: (Rsh16Ux16 <t> x y)
 21016  	// cond: !shiftIsBounded(v)
 21017  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt16to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y)))
 21018  	for {
 21019  		t := v.Type
 21020  		x := v_0
 21021  		y := v_1
 21022  		if !(!shiftIsBounded(v)) {
 21023  			break
 21024  		}
 21025  		v.reset(OpARM64CSEL)
 21026  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21027  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21028  		v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21029  		v1.AddArg(x)
 21030  		v0.AddArg2(v1, y)
 21031  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 21032  		v2.AuxInt = int64ToAuxInt(0)
 21033  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21034  		v3.AuxInt = int64ToAuxInt(64)
 21035  		v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21036  		v4.AddArg(y)
 21037  		v3.AddArg(v4)
 21038  		v.AddArg3(v0, v2, v3)
 21039  		return true
 21040  	}
 21041  	return false
 21042  }
 21043  func rewriteValueARM64_OpRsh16Ux32(v *Value) bool {
 21044  	v_1 := v.Args[1]
 21045  	v_0 := v.Args[0]
 21046  	b := v.Block
 21047  	typ := &b.Func.Config.Types
 21048  	// match: (Rsh16Ux32 <t> x y)
 21049  	// cond: shiftIsBounded(v)
 21050  	// result: (SRL <t> (ZeroExt16to64 x) y)
 21051  	for {
 21052  		t := v.Type
 21053  		x := v_0
 21054  		y := v_1
 21055  		if !(shiftIsBounded(v)) {
 21056  			break
 21057  		}
 21058  		v.reset(OpARM64SRL)
 21059  		v.Type = t
 21060  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21061  		v0.AddArg(x)
 21062  		v.AddArg2(v0, y)
 21063  		return true
 21064  	}
 21065  	// match: (Rsh16Ux32 <t> x y)
 21066  	// cond: !shiftIsBounded(v)
 21067  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt16to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y)))
 21068  	for {
 21069  		t := v.Type
 21070  		x := v_0
 21071  		y := v_1
 21072  		if !(!shiftIsBounded(v)) {
 21073  			break
 21074  		}
 21075  		v.reset(OpARM64CSEL)
 21076  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21077  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21078  		v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21079  		v1.AddArg(x)
 21080  		v0.AddArg2(v1, y)
 21081  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 21082  		v2.AuxInt = int64ToAuxInt(0)
 21083  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21084  		v3.AuxInt = int64ToAuxInt(64)
 21085  		v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21086  		v4.AddArg(y)
 21087  		v3.AddArg(v4)
 21088  		v.AddArg3(v0, v2, v3)
 21089  		return true
 21090  	}
 21091  	return false
 21092  }
 21093  func rewriteValueARM64_OpRsh16Ux64(v *Value) bool {
 21094  	v_1 := v.Args[1]
 21095  	v_0 := v.Args[0]
 21096  	b := v.Block
 21097  	typ := &b.Func.Config.Types
 21098  	// match: (Rsh16Ux64 <t> x y)
 21099  	// cond: shiftIsBounded(v)
 21100  	// result: (SRL <t> (ZeroExt16to64 x) y)
 21101  	for {
 21102  		t := v.Type
 21103  		x := v_0
 21104  		y := v_1
 21105  		if !(shiftIsBounded(v)) {
 21106  			break
 21107  		}
 21108  		v.reset(OpARM64SRL)
 21109  		v.Type = t
 21110  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21111  		v0.AddArg(x)
 21112  		v.AddArg2(v0, y)
 21113  		return true
 21114  	}
 21115  	// match: (Rsh16Ux64 <t> x y)
 21116  	// cond: !shiftIsBounded(v)
 21117  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt16to64 x) y) (Const64 <t> [0]) (CMPconst [64] y))
 21118  	for {
 21119  		t := v.Type
 21120  		x := v_0
 21121  		y := v_1
 21122  		if !(!shiftIsBounded(v)) {
 21123  			break
 21124  		}
 21125  		v.reset(OpARM64CSEL)
 21126  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21127  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21128  		v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21129  		v1.AddArg(x)
 21130  		v0.AddArg2(v1, y)
 21131  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 21132  		v2.AuxInt = int64ToAuxInt(0)
 21133  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21134  		v3.AuxInt = int64ToAuxInt(64)
 21135  		v3.AddArg(y)
 21136  		v.AddArg3(v0, v2, v3)
 21137  		return true
 21138  	}
 21139  	return false
 21140  }
 21141  func rewriteValueARM64_OpRsh16Ux8(v *Value) bool {
 21142  	v_1 := v.Args[1]
 21143  	v_0 := v.Args[0]
 21144  	b := v.Block
 21145  	typ := &b.Func.Config.Types
 21146  	// match: (Rsh16Ux8 <t> x y)
 21147  	// cond: shiftIsBounded(v)
 21148  	// result: (SRL <t> (ZeroExt16to64 x) y)
 21149  	for {
 21150  		t := v.Type
 21151  		x := v_0
 21152  		y := v_1
 21153  		if !(shiftIsBounded(v)) {
 21154  			break
 21155  		}
 21156  		v.reset(OpARM64SRL)
 21157  		v.Type = t
 21158  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21159  		v0.AddArg(x)
 21160  		v.AddArg2(v0, y)
 21161  		return true
 21162  	}
 21163  	// match: (Rsh16Ux8 <t> x y)
 21164  	// cond: !shiftIsBounded(v)
 21165  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt16to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y)))
 21166  	for {
 21167  		t := v.Type
 21168  		x := v_0
 21169  		y := v_1
 21170  		if !(!shiftIsBounded(v)) {
 21171  			break
 21172  		}
 21173  		v.reset(OpARM64CSEL)
 21174  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21175  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21176  		v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21177  		v1.AddArg(x)
 21178  		v0.AddArg2(v1, y)
 21179  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 21180  		v2.AuxInt = int64ToAuxInt(0)
 21181  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21182  		v3.AuxInt = int64ToAuxInt(64)
 21183  		v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 21184  		v4.AddArg(y)
 21185  		v3.AddArg(v4)
 21186  		v.AddArg3(v0, v2, v3)
 21187  		return true
 21188  	}
 21189  	return false
 21190  }
 21191  func rewriteValueARM64_OpRsh16x16(v *Value) bool {
 21192  	v_1 := v.Args[1]
 21193  	v_0 := v.Args[0]
 21194  	b := v.Block
 21195  	typ := &b.Func.Config.Types
 21196  	// match: (Rsh16x16 <t> x y)
 21197  	// cond: shiftIsBounded(v)
 21198  	// result: (SRA <t> (SignExt16to64 x) y)
 21199  	for {
 21200  		t := v.Type
 21201  		x := v_0
 21202  		y := v_1
 21203  		if !(shiftIsBounded(v)) {
 21204  			break
 21205  		}
 21206  		v.reset(OpARM64SRA)
 21207  		v.Type = t
 21208  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 21209  		v0.AddArg(x)
 21210  		v.AddArg2(v0, y)
 21211  		return true
 21212  	}
 21213  	// match: (Rsh16x16 x y)
 21214  	// cond: !shiftIsBounded(v)
 21215  	// result: (SRA (SignExt16to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt16to64 y))))
 21216  	for {
 21217  		x := v_0
 21218  		y := v_1
 21219  		if !(!shiftIsBounded(v)) {
 21220  			break
 21221  		}
 21222  		v.reset(OpARM64SRA)
 21223  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 21224  		v0.AddArg(x)
 21225  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 21226  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 21227  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 21228  		v2.AuxInt = int64ToAuxInt(63)
 21229  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21230  		v3.AuxInt = int64ToAuxInt(64)
 21231  		v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21232  		v4.AddArg(y)
 21233  		v3.AddArg(v4)
 21234  		v1.AddArg3(y, v2, v3)
 21235  		v.AddArg2(v0, v1)
 21236  		return true
 21237  	}
 21238  	return false
 21239  }
 21240  func rewriteValueARM64_OpRsh16x32(v *Value) bool {
 21241  	v_1 := v.Args[1]
 21242  	v_0 := v.Args[0]
 21243  	b := v.Block
 21244  	typ := &b.Func.Config.Types
 21245  	// match: (Rsh16x32 <t> x y)
 21246  	// cond: shiftIsBounded(v)
 21247  	// result: (SRA <t> (SignExt16to64 x) y)
 21248  	for {
 21249  		t := v.Type
 21250  		x := v_0
 21251  		y := v_1
 21252  		if !(shiftIsBounded(v)) {
 21253  			break
 21254  		}
 21255  		v.reset(OpARM64SRA)
 21256  		v.Type = t
 21257  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 21258  		v0.AddArg(x)
 21259  		v.AddArg2(v0, y)
 21260  		return true
 21261  	}
 21262  	// match: (Rsh16x32 x y)
 21263  	// cond: !shiftIsBounded(v)
 21264  	// result: (SRA (SignExt16to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt32to64 y))))
 21265  	for {
 21266  		x := v_0
 21267  		y := v_1
 21268  		if !(!shiftIsBounded(v)) {
 21269  			break
 21270  		}
 21271  		v.reset(OpARM64SRA)
 21272  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 21273  		v0.AddArg(x)
 21274  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 21275  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 21276  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 21277  		v2.AuxInt = int64ToAuxInt(63)
 21278  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21279  		v3.AuxInt = int64ToAuxInt(64)
 21280  		v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21281  		v4.AddArg(y)
 21282  		v3.AddArg(v4)
 21283  		v1.AddArg3(y, v2, v3)
 21284  		v.AddArg2(v0, v1)
 21285  		return true
 21286  	}
 21287  	return false
 21288  }
 21289  func rewriteValueARM64_OpRsh16x64(v *Value) bool {
 21290  	v_1 := v.Args[1]
 21291  	v_0 := v.Args[0]
 21292  	b := v.Block
 21293  	typ := &b.Func.Config.Types
 21294  	// match: (Rsh16x64 <t> x y)
 21295  	// cond: shiftIsBounded(v)
 21296  	// result: (SRA <t> (SignExt16to64 x) y)
 21297  	for {
 21298  		t := v.Type
 21299  		x := v_0
 21300  		y := v_1
 21301  		if !(shiftIsBounded(v)) {
 21302  			break
 21303  		}
 21304  		v.reset(OpARM64SRA)
 21305  		v.Type = t
 21306  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 21307  		v0.AddArg(x)
 21308  		v.AddArg2(v0, y)
 21309  		return true
 21310  	}
 21311  	// match: (Rsh16x64 x y)
 21312  	// cond: !shiftIsBounded(v)
 21313  	// result: (SRA (SignExt16to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] y)))
 21314  	for {
 21315  		x := v_0
 21316  		y := v_1
 21317  		if !(!shiftIsBounded(v)) {
 21318  			break
 21319  		}
 21320  		v.reset(OpARM64SRA)
 21321  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 21322  		v0.AddArg(x)
 21323  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 21324  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 21325  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 21326  		v2.AuxInt = int64ToAuxInt(63)
 21327  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21328  		v3.AuxInt = int64ToAuxInt(64)
 21329  		v3.AddArg(y)
 21330  		v1.AddArg3(y, v2, v3)
 21331  		v.AddArg2(v0, v1)
 21332  		return true
 21333  	}
 21334  	return false
 21335  }
 21336  func rewriteValueARM64_OpRsh16x8(v *Value) bool {
 21337  	v_1 := v.Args[1]
 21338  	v_0 := v.Args[0]
 21339  	b := v.Block
 21340  	typ := &b.Func.Config.Types
 21341  	// match: (Rsh16x8 <t> x y)
 21342  	// cond: shiftIsBounded(v)
 21343  	// result: (SRA <t> (SignExt16to64 x) y)
 21344  	for {
 21345  		t := v.Type
 21346  		x := v_0
 21347  		y := v_1
 21348  		if !(shiftIsBounded(v)) {
 21349  			break
 21350  		}
 21351  		v.reset(OpARM64SRA)
 21352  		v.Type = t
 21353  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 21354  		v0.AddArg(x)
 21355  		v.AddArg2(v0, y)
 21356  		return true
 21357  	}
 21358  	// match: (Rsh16x8 x y)
 21359  	// cond: !shiftIsBounded(v)
 21360  	// result: (SRA (SignExt16to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt8to64 y))))
 21361  	for {
 21362  		x := v_0
 21363  		y := v_1
 21364  		if !(!shiftIsBounded(v)) {
 21365  			break
 21366  		}
 21367  		v.reset(OpARM64SRA)
 21368  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 21369  		v0.AddArg(x)
 21370  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 21371  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 21372  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 21373  		v2.AuxInt = int64ToAuxInt(63)
 21374  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21375  		v3.AuxInt = int64ToAuxInt(64)
 21376  		v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 21377  		v4.AddArg(y)
 21378  		v3.AddArg(v4)
 21379  		v1.AddArg3(y, v2, v3)
 21380  		v.AddArg2(v0, v1)
 21381  		return true
 21382  	}
 21383  	return false
 21384  }
 21385  func rewriteValueARM64_OpRsh32Ux16(v *Value) bool {
 21386  	v_1 := v.Args[1]
 21387  	v_0 := v.Args[0]
 21388  	b := v.Block
 21389  	typ := &b.Func.Config.Types
 21390  	// match: (Rsh32Ux16 <t> x y)
 21391  	// cond: shiftIsBounded(v)
 21392  	// result: (SRL <t> (ZeroExt32to64 x) y)
 21393  	for {
 21394  		t := v.Type
 21395  		x := v_0
 21396  		y := v_1
 21397  		if !(shiftIsBounded(v)) {
 21398  			break
 21399  		}
 21400  		v.reset(OpARM64SRL)
 21401  		v.Type = t
 21402  		v0 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21403  		v0.AddArg(x)
 21404  		v.AddArg2(v0, y)
 21405  		return true
 21406  	}
 21407  	// match: (Rsh32Ux16 <t> x y)
 21408  	// cond: !shiftIsBounded(v)
 21409  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt32to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y)))
 21410  	for {
 21411  		t := v.Type
 21412  		x := v_0
 21413  		y := v_1
 21414  		if !(!shiftIsBounded(v)) {
 21415  			break
 21416  		}
 21417  		v.reset(OpARM64CSEL)
 21418  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21419  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21420  		v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21421  		v1.AddArg(x)
 21422  		v0.AddArg2(v1, y)
 21423  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 21424  		v2.AuxInt = int64ToAuxInt(0)
 21425  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21426  		v3.AuxInt = int64ToAuxInt(64)
 21427  		v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21428  		v4.AddArg(y)
 21429  		v3.AddArg(v4)
 21430  		v.AddArg3(v0, v2, v3)
 21431  		return true
 21432  	}
 21433  	return false
 21434  }
 21435  func rewriteValueARM64_OpRsh32Ux32(v *Value) bool {
 21436  	v_1 := v.Args[1]
 21437  	v_0 := v.Args[0]
 21438  	b := v.Block
 21439  	typ := &b.Func.Config.Types
 21440  	// match: (Rsh32Ux32 <t> x y)
 21441  	// cond: shiftIsBounded(v)
 21442  	// result: (SRL <t> (ZeroExt32to64 x) y)
 21443  	for {
 21444  		t := v.Type
 21445  		x := v_0
 21446  		y := v_1
 21447  		if !(shiftIsBounded(v)) {
 21448  			break
 21449  		}
 21450  		v.reset(OpARM64SRL)
 21451  		v.Type = t
 21452  		v0 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21453  		v0.AddArg(x)
 21454  		v.AddArg2(v0, y)
 21455  		return true
 21456  	}
 21457  	// match: (Rsh32Ux32 <t> x y)
 21458  	// cond: !shiftIsBounded(v)
 21459  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt32to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y)))
 21460  	for {
 21461  		t := v.Type
 21462  		x := v_0
 21463  		y := v_1
 21464  		if !(!shiftIsBounded(v)) {
 21465  			break
 21466  		}
 21467  		v.reset(OpARM64CSEL)
 21468  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21469  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21470  		v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21471  		v1.AddArg(x)
 21472  		v0.AddArg2(v1, y)
 21473  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 21474  		v2.AuxInt = int64ToAuxInt(0)
 21475  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21476  		v3.AuxInt = int64ToAuxInt(64)
 21477  		v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21478  		v4.AddArg(y)
 21479  		v3.AddArg(v4)
 21480  		v.AddArg3(v0, v2, v3)
 21481  		return true
 21482  	}
 21483  	return false
 21484  }
 21485  func rewriteValueARM64_OpRsh32Ux64(v *Value) bool {
 21486  	v_1 := v.Args[1]
 21487  	v_0 := v.Args[0]
 21488  	b := v.Block
 21489  	typ := &b.Func.Config.Types
 21490  	// match: (Rsh32Ux64 <t> x y)
 21491  	// cond: shiftIsBounded(v)
 21492  	// result: (SRL <t> (ZeroExt32to64 x) y)
 21493  	for {
 21494  		t := v.Type
 21495  		x := v_0
 21496  		y := v_1
 21497  		if !(shiftIsBounded(v)) {
 21498  			break
 21499  		}
 21500  		v.reset(OpARM64SRL)
 21501  		v.Type = t
 21502  		v0 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21503  		v0.AddArg(x)
 21504  		v.AddArg2(v0, y)
 21505  		return true
 21506  	}
 21507  	// match: (Rsh32Ux64 <t> x y)
 21508  	// cond: !shiftIsBounded(v)
 21509  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt32to64 x) y) (Const64 <t> [0]) (CMPconst [64] y))
 21510  	for {
 21511  		t := v.Type
 21512  		x := v_0
 21513  		y := v_1
 21514  		if !(!shiftIsBounded(v)) {
 21515  			break
 21516  		}
 21517  		v.reset(OpARM64CSEL)
 21518  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21519  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21520  		v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21521  		v1.AddArg(x)
 21522  		v0.AddArg2(v1, y)
 21523  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 21524  		v2.AuxInt = int64ToAuxInt(0)
 21525  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21526  		v3.AuxInt = int64ToAuxInt(64)
 21527  		v3.AddArg(y)
 21528  		v.AddArg3(v0, v2, v3)
 21529  		return true
 21530  	}
 21531  	return false
 21532  }
 21533  func rewriteValueARM64_OpRsh32Ux8(v *Value) bool {
 21534  	v_1 := v.Args[1]
 21535  	v_0 := v.Args[0]
 21536  	b := v.Block
 21537  	typ := &b.Func.Config.Types
 21538  	// match: (Rsh32Ux8 <t> x y)
 21539  	// cond: shiftIsBounded(v)
 21540  	// result: (SRL <t> (ZeroExt32to64 x) y)
 21541  	for {
 21542  		t := v.Type
 21543  		x := v_0
 21544  		y := v_1
 21545  		if !(shiftIsBounded(v)) {
 21546  			break
 21547  		}
 21548  		v.reset(OpARM64SRL)
 21549  		v.Type = t
 21550  		v0 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21551  		v0.AddArg(x)
 21552  		v.AddArg2(v0, y)
 21553  		return true
 21554  	}
 21555  	// match: (Rsh32Ux8 <t> x y)
 21556  	// cond: !shiftIsBounded(v)
 21557  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt32to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y)))
 21558  	for {
 21559  		t := v.Type
 21560  		x := v_0
 21561  		y := v_1
 21562  		if !(!shiftIsBounded(v)) {
 21563  			break
 21564  		}
 21565  		v.reset(OpARM64CSEL)
 21566  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21567  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21568  		v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21569  		v1.AddArg(x)
 21570  		v0.AddArg2(v1, y)
 21571  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 21572  		v2.AuxInt = int64ToAuxInt(0)
 21573  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21574  		v3.AuxInt = int64ToAuxInt(64)
 21575  		v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 21576  		v4.AddArg(y)
 21577  		v3.AddArg(v4)
 21578  		v.AddArg3(v0, v2, v3)
 21579  		return true
 21580  	}
 21581  	return false
 21582  }
 21583  func rewriteValueARM64_OpRsh32x16(v *Value) bool {
 21584  	v_1 := v.Args[1]
 21585  	v_0 := v.Args[0]
 21586  	b := v.Block
 21587  	typ := &b.Func.Config.Types
 21588  	// match: (Rsh32x16 <t> x y)
 21589  	// cond: shiftIsBounded(v)
 21590  	// result: (SRA <t> (SignExt32to64 x) y)
 21591  	for {
 21592  		t := v.Type
 21593  		x := v_0
 21594  		y := v_1
 21595  		if !(shiftIsBounded(v)) {
 21596  			break
 21597  		}
 21598  		v.reset(OpARM64SRA)
 21599  		v.Type = t
 21600  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 21601  		v0.AddArg(x)
 21602  		v.AddArg2(v0, y)
 21603  		return true
 21604  	}
 21605  	// match: (Rsh32x16 x y)
 21606  	// cond: !shiftIsBounded(v)
 21607  	// result: (SRA (SignExt32to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt16to64 y))))
 21608  	for {
 21609  		x := v_0
 21610  		y := v_1
 21611  		if !(!shiftIsBounded(v)) {
 21612  			break
 21613  		}
 21614  		v.reset(OpARM64SRA)
 21615  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 21616  		v0.AddArg(x)
 21617  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 21618  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 21619  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 21620  		v2.AuxInt = int64ToAuxInt(63)
 21621  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21622  		v3.AuxInt = int64ToAuxInt(64)
 21623  		v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21624  		v4.AddArg(y)
 21625  		v3.AddArg(v4)
 21626  		v1.AddArg3(y, v2, v3)
 21627  		v.AddArg2(v0, v1)
 21628  		return true
 21629  	}
 21630  	return false
 21631  }
 21632  func rewriteValueARM64_OpRsh32x32(v *Value) bool {
 21633  	v_1 := v.Args[1]
 21634  	v_0 := v.Args[0]
 21635  	b := v.Block
 21636  	typ := &b.Func.Config.Types
 21637  	// match: (Rsh32x32 <t> x y)
 21638  	// cond: shiftIsBounded(v)
 21639  	// result: (SRA <t> (SignExt32to64 x) y)
 21640  	for {
 21641  		t := v.Type
 21642  		x := v_0
 21643  		y := v_1
 21644  		if !(shiftIsBounded(v)) {
 21645  			break
 21646  		}
 21647  		v.reset(OpARM64SRA)
 21648  		v.Type = t
 21649  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 21650  		v0.AddArg(x)
 21651  		v.AddArg2(v0, y)
 21652  		return true
 21653  	}
 21654  	// match: (Rsh32x32 x y)
 21655  	// cond: !shiftIsBounded(v)
 21656  	// result: (SRA (SignExt32to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt32to64 y))))
 21657  	for {
 21658  		x := v_0
 21659  		y := v_1
 21660  		if !(!shiftIsBounded(v)) {
 21661  			break
 21662  		}
 21663  		v.reset(OpARM64SRA)
 21664  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 21665  		v0.AddArg(x)
 21666  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 21667  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 21668  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 21669  		v2.AuxInt = int64ToAuxInt(63)
 21670  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21671  		v3.AuxInt = int64ToAuxInt(64)
 21672  		v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21673  		v4.AddArg(y)
 21674  		v3.AddArg(v4)
 21675  		v1.AddArg3(y, v2, v3)
 21676  		v.AddArg2(v0, v1)
 21677  		return true
 21678  	}
 21679  	return false
 21680  }
 21681  func rewriteValueARM64_OpRsh32x64(v *Value) bool {
 21682  	v_1 := v.Args[1]
 21683  	v_0 := v.Args[0]
 21684  	b := v.Block
 21685  	typ := &b.Func.Config.Types
 21686  	// match: (Rsh32x64 <t> x y)
 21687  	// cond: shiftIsBounded(v)
 21688  	// result: (SRA <t> (SignExt32to64 x) y)
 21689  	for {
 21690  		t := v.Type
 21691  		x := v_0
 21692  		y := v_1
 21693  		if !(shiftIsBounded(v)) {
 21694  			break
 21695  		}
 21696  		v.reset(OpARM64SRA)
 21697  		v.Type = t
 21698  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 21699  		v0.AddArg(x)
 21700  		v.AddArg2(v0, y)
 21701  		return true
 21702  	}
 21703  	// match: (Rsh32x64 x y)
 21704  	// cond: !shiftIsBounded(v)
 21705  	// result: (SRA (SignExt32to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] y)))
 21706  	for {
 21707  		x := v_0
 21708  		y := v_1
 21709  		if !(!shiftIsBounded(v)) {
 21710  			break
 21711  		}
 21712  		v.reset(OpARM64SRA)
 21713  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 21714  		v0.AddArg(x)
 21715  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 21716  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 21717  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 21718  		v2.AuxInt = int64ToAuxInt(63)
 21719  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21720  		v3.AuxInt = int64ToAuxInt(64)
 21721  		v3.AddArg(y)
 21722  		v1.AddArg3(y, v2, v3)
 21723  		v.AddArg2(v0, v1)
 21724  		return true
 21725  	}
 21726  	return false
 21727  }
 21728  func rewriteValueARM64_OpRsh32x8(v *Value) bool {
 21729  	v_1 := v.Args[1]
 21730  	v_0 := v.Args[0]
 21731  	b := v.Block
 21732  	typ := &b.Func.Config.Types
 21733  	// match: (Rsh32x8 <t> x y)
 21734  	// cond: shiftIsBounded(v)
 21735  	// result: (SRA <t> (SignExt32to64 x) y)
 21736  	for {
 21737  		t := v.Type
 21738  		x := v_0
 21739  		y := v_1
 21740  		if !(shiftIsBounded(v)) {
 21741  			break
 21742  		}
 21743  		v.reset(OpARM64SRA)
 21744  		v.Type = t
 21745  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 21746  		v0.AddArg(x)
 21747  		v.AddArg2(v0, y)
 21748  		return true
 21749  	}
 21750  	// match: (Rsh32x8 x y)
 21751  	// cond: !shiftIsBounded(v)
 21752  	// result: (SRA (SignExt32to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt8to64 y))))
 21753  	for {
 21754  		x := v_0
 21755  		y := v_1
 21756  		if !(!shiftIsBounded(v)) {
 21757  			break
 21758  		}
 21759  		v.reset(OpARM64SRA)
 21760  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 21761  		v0.AddArg(x)
 21762  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 21763  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 21764  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 21765  		v2.AuxInt = int64ToAuxInt(63)
 21766  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21767  		v3.AuxInt = int64ToAuxInt(64)
 21768  		v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 21769  		v4.AddArg(y)
 21770  		v3.AddArg(v4)
 21771  		v1.AddArg3(y, v2, v3)
 21772  		v.AddArg2(v0, v1)
 21773  		return true
 21774  	}
 21775  	return false
 21776  }
 21777  func rewriteValueARM64_OpRsh64Ux16(v *Value) bool {
 21778  	v_1 := v.Args[1]
 21779  	v_0 := v.Args[0]
 21780  	b := v.Block
 21781  	typ := &b.Func.Config.Types
 21782  	// match: (Rsh64Ux16 <t> x y)
 21783  	// cond: shiftIsBounded(v)
 21784  	// result: (SRL <t> x y)
 21785  	for {
 21786  		t := v.Type
 21787  		x := v_0
 21788  		y := v_1
 21789  		if !(shiftIsBounded(v)) {
 21790  			break
 21791  		}
 21792  		v.reset(OpARM64SRL)
 21793  		v.Type = t
 21794  		v.AddArg2(x, y)
 21795  		return true
 21796  	}
 21797  	// match: (Rsh64Ux16 <t> x y)
 21798  	// cond: !shiftIsBounded(v)
 21799  	// result: (CSEL [OpARM64LessThanU] (SRL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y)))
 21800  	for {
 21801  		t := v.Type
 21802  		x := v_0
 21803  		y := v_1
 21804  		if !(!shiftIsBounded(v)) {
 21805  			break
 21806  		}
 21807  		v.reset(OpARM64CSEL)
 21808  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21809  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21810  		v0.AddArg2(x, y)
 21811  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 21812  		v1.AuxInt = int64ToAuxInt(0)
 21813  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21814  		v2.AuxInt = int64ToAuxInt(64)
 21815  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21816  		v3.AddArg(y)
 21817  		v2.AddArg(v3)
 21818  		v.AddArg3(v0, v1, v2)
 21819  		return true
 21820  	}
 21821  	return false
 21822  }
 21823  func rewriteValueARM64_OpRsh64Ux32(v *Value) bool {
 21824  	v_1 := v.Args[1]
 21825  	v_0 := v.Args[0]
 21826  	b := v.Block
 21827  	typ := &b.Func.Config.Types
 21828  	// match: (Rsh64Ux32 <t> x y)
 21829  	// cond: shiftIsBounded(v)
 21830  	// result: (SRL <t> x y)
 21831  	for {
 21832  		t := v.Type
 21833  		x := v_0
 21834  		y := v_1
 21835  		if !(shiftIsBounded(v)) {
 21836  			break
 21837  		}
 21838  		v.reset(OpARM64SRL)
 21839  		v.Type = t
 21840  		v.AddArg2(x, y)
 21841  		return true
 21842  	}
 21843  	// match: (Rsh64Ux32 <t> x y)
 21844  	// cond: !shiftIsBounded(v)
 21845  	// result: (CSEL [OpARM64LessThanU] (SRL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y)))
 21846  	for {
 21847  		t := v.Type
 21848  		x := v_0
 21849  		y := v_1
 21850  		if !(!shiftIsBounded(v)) {
 21851  			break
 21852  		}
 21853  		v.reset(OpARM64CSEL)
 21854  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21855  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21856  		v0.AddArg2(x, y)
 21857  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 21858  		v1.AuxInt = int64ToAuxInt(0)
 21859  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21860  		v2.AuxInt = int64ToAuxInt(64)
 21861  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21862  		v3.AddArg(y)
 21863  		v2.AddArg(v3)
 21864  		v.AddArg3(v0, v1, v2)
 21865  		return true
 21866  	}
 21867  	return false
 21868  }
 21869  func rewriteValueARM64_OpRsh64Ux64(v *Value) bool {
 21870  	v_1 := v.Args[1]
 21871  	v_0 := v.Args[0]
 21872  	b := v.Block
 21873  	// match: (Rsh64Ux64 <t> x y)
 21874  	// cond: shiftIsBounded(v)
 21875  	// result: (SRL <t> x y)
 21876  	for {
 21877  		t := v.Type
 21878  		x := v_0
 21879  		y := v_1
 21880  		if !(shiftIsBounded(v)) {
 21881  			break
 21882  		}
 21883  		v.reset(OpARM64SRL)
 21884  		v.Type = t
 21885  		v.AddArg2(x, y)
 21886  		return true
 21887  	}
 21888  	// match: (Rsh64Ux64 <t> x y)
 21889  	// cond: !shiftIsBounded(v)
 21890  	// result: (CSEL [OpARM64LessThanU] (SRL <t> x y) (Const64 <t> [0]) (CMPconst [64] y))
 21891  	for {
 21892  		t := v.Type
 21893  		x := v_0
 21894  		y := v_1
 21895  		if !(!shiftIsBounded(v)) {
 21896  			break
 21897  		}
 21898  		v.reset(OpARM64CSEL)
 21899  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21900  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21901  		v0.AddArg2(x, y)
 21902  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 21903  		v1.AuxInt = int64ToAuxInt(0)
 21904  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21905  		v2.AuxInt = int64ToAuxInt(64)
 21906  		v2.AddArg(y)
 21907  		v.AddArg3(v0, v1, v2)
 21908  		return true
 21909  	}
 21910  	return false
 21911  }
 21912  func rewriteValueARM64_OpRsh64Ux8(v *Value) bool {
 21913  	v_1 := v.Args[1]
 21914  	v_0 := v.Args[0]
 21915  	b := v.Block
 21916  	typ := &b.Func.Config.Types
 21917  	// match: (Rsh64Ux8 <t> x y)
 21918  	// cond: shiftIsBounded(v)
 21919  	// result: (SRL <t> x y)
 21920  	for {
 21921  		t := v.Type
 21922  		x := v_0
 21923  		y := v_1
 21924  		if !(shiftIsBounded(v)) {
 21925  			break
 21926  		}
 21927  		v.reset(OpARM64SRL)
 21928  		v.Type = t
 21929  		v.AddArg2(x, y)
 21930  		return true
 21931  	}
 21932  	// match: (Rsh64Ux8 <t> x y)
 21933  	// cond: !shiftIsBounded(v)
 21934  	// result: (CSEL [OpARM64LessThanU] (SRL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y)))
 21935  	for {
 21936  		t := v.Type
 21937  		x := v_0
 21938  		y := v_1
 21939  		if !(!shiftIsBounded(v)) {
 21940  			break
 21941  		}
 21942  		v.reset(OpARM64CSEL)
 21943  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21944  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21945  		v0.AddArg2(x, y)
 21946  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 21947  		v1.AuxInt = int64ToAuxInt(0)
 21948  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21949  		v2.AuxInt = int64ToAuxInt(64)
 21950  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 21951  		v3.AddArg(y)
 21952  		v2.AddArg(v3)
 21953  		v.AddArg3(v0, v1, v2)
 21954  		return true
 21955  	}
 21956  	return false
 21957  }
 21958  func rewriteValueARM64_OpRsh64x16(v *Value) bool {
 21959  	v_1 := v.Args[1]
 21960  	v_0 := v.Args[0]
 21961  	b := v.Block
 21962  	typ := &b.Func.Config.Types
 21963  	// match: (Rsh64x16 <t> x y)
 21964  	// cond: shiftIsBounded(v)
 21965  	// result: (SRA <t> x y)
 21966  	for {
 21967  		t := v.Type
 21968  		x := v_0
 21969  		y := v_1
 21970  		if !(shiftIsBounded(v)) {
 21971  			break
 21972  		}
 21973  		v.reset(OpARM64SRA)
 21974  		v.Type = t
 21975  		v.AddArg2(x, y)
 21976  		return true
 21977  	}
 21978  	// match: (Rsh64x16 x y)
 21979  	// cond: !shiftIsBounded(v)
 21980  	// result: (SRA x (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt16to64 y))))
 21981  	for {
 21982  		x := v_0
 21983  		y := v_1
 21984  		if !(!shiftIsBounded(v)) {
 21985  			break
 21986  		}
 21987  		v.reset(OpARM64SRA)
 21988  		v0 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 21989  		v0.AuxInt = opToAuxInt(OpARM64LessThanU)
 21990  		v1 := b.NewValue0(v.Pos, OpConst64, y.Type)
 21991  		v1.AuxInt = int64ToAuxInt(63)
 21992  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21993  		v2.AuxInt = int64ToAuxInt(64)
 21994  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21995  		v3.AddArg(y)
 21996  		v2.AddArg(v3)
 21997  		v0.AddArg3(y, v1, v2)
 21998  		v.AddArg2(x, v0)
 21999  		return true
 22000  	}
 22001  	return false
 22002  }
 22003  func rewriteValueARM64_OpRsh64x32(v *Value) bool {
 22004  	v_1 := v.Args[1]
 22005  	v_0 := v.Args[0]
 22006  	b := v.Block
 22007  	typ := &b.Func.Config.Types
 22008  	// match: (Rsh64x32 <t> x y)
 22009  	// cond: shiftIsBounded(v)
 22010  	// result: (SRA <t> x y)
 22011  	for {
 22012  		t := v.Type
 22013  		x := v_0
 22014  		y := v_1
 22015  		if !(shiftIsBounded(v)) {
 22016  			break
 22017  		}
 22018  		v.reset(OpARM64SRA)
 22019  		v.Type = t
 22020  		v.AddArg2(x, y)
 22021  		return true
 22022  	}
 22023  	// match: (Rsh64x32 x y)
 22024  	// cond: !shiftIsBounded(v)
 22025  	// result: (SRA x (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt32to64 y))))
 22026  	for {
 22027  		x := v_0
 22028  		y := v_1
 22029  		if !(!shiftIsBounded(v)) {
 22030  			break
 22031  		}
 22032  		v.reset(OpARM64SRA)
 22033  		v0 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22034  		v0.AuxInt = opToAuxInt(OpARM64LessThanU)
 22035  		v1 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22036  		v1.AuxInt = int64ToAuxInt(63)
 22037  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22038  		v2.AuxInt = int64ToAuxInt(64)
 22039  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22040  		v3.AddArg(y)
 22041  		v2.AddArg(v3)
 22042  		v0.AddArg3(y, v1, v2)
 22043  		v.AddArg2(x, v0)
 22044  		return true
 22045  	}
 22046  	return false
 22047  }
 22048  func rewriteValueARM64_OpRsh64x64(v *Value) bool {
 22049  	v_1 := v.Args[1]
 22050  	v_0 := v.Args[0]
 22051  	b := v.Block
 22052  	// match: (Rsh64x64 <t> x y)
 22053  	// cond: shiftIsBounded(v)
 22054  	// result: (SRA <t> x y)
 22055  	for {
 22056  		t := v.Type
 22057  		x := v_0
 22058  		y := v_1
 22059  		if !(shiftIsBounded(v)) {
 22060  			break
 22061  		}
 22062  		v.reset(OpARM64SRA)
 22063  		v.Type = t
 22064  		v.AddArg2(x, y)
 22065  		return true
 22066  	}
 22067  	// match: (Rsh64x64 x y)
 22068  	// cond: !shiftIsBounded(v)
 22069  	// result: (SRA x (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] y)))
 22070  	for {
 22071  		x := v_0
 22072  		y := v_1
 22073  		if !(!shiftIsBounded(v)) {
 22074  			break
 22075  		}
 22076  		v.reset(OpARM64SRA)
 22077  		v0 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22078  		v0.AuxInt = opToAuxInt(OpARM64LessThanU)
 22079  		v1 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22080  		v1.AuxInt = int64ToAuxInt(63)
 22081  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22082  		v2.AuxInt = int64ToAuxInt(64)
 22083  		v2.AddArg(y)
 22084  		v0.AddArg3(y, v1, v2)
 22085  		v.AddArg2(x, v0)
 22086  		return true
 22087  	}
 22088  	return false
 22089  }
 22090  func rewriteValueARM64_OpRsh64x8(v *Value) bool {
 22091  	v_1 := v.Args[1]
 22092  	v_0 := v.Args[0]
 22093  	b := v.Block
 22094  	typ := &b.Func.Config.Types
 22095  	// match: (Rsh64x8 <t> x y)
 22096  	// cond: shiftIsBounded(v)
 22097  	// result: (SRA <t> x y)
 22098  	for {
 22099  		t := v.Type
 22100  		x := v_0
 22101  		y := v_1
 22102  		if !(shiftIsBounded(v)) {
 22103  			break
 22104  		}
 22105  		v.reset(OpARM64SRA)
 22106  		v.Type = t
 22107  		v.AddArg2(x, y)
 22108  		return true
 22109  	}
 22110  	// match: (Rsh64x8 x y)
 22111  	// cond: !shiftIsBounded(v)
 22112  	// result: (SRA x (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt8to64 y))))
 22113  	for {
 22114  		x := v_0
 22115  		y := v_1
 22116  		if !(!shiftIsBounded(v)) {
 22117  			break
 22118  		}
 22119  		v.reset(OpARM64SRA)
 22120  		v0 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22121  		v0.AuxInt = opToAuxInt(OpARM64LessThanU)
 22122  		v1 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22123  		v1.AuxInt = int64ToAuxInt(63)
 22124  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22125  		v2.AuxInt = int64ToAuxInt(64)
 22126  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22127  		v3.AddArg(y)
 22128  		v2.AddArg(v3)
 22129  		v0.AddArg3(y, v1, v2)
 22130  		v.AddArg2(x, v0)
 22131  		return true
 22132  	}
 22133  	return false
 22134  }
 22135  func rewriteValueARM64_OpRsh8Ux16(v *Value) bool {
 22136  	v_1 := v.Args[1]
 22137  	v_0 := v.Args[0]
 22138  	b := v.Block
 22139  	typ := &b.Func.Config.Types
 22140  	// match: (Rsh8Ux16 <t> x y)
 22141  	// cond: shiftIsBounded(v)
 22142  	// result: (SRL <t> (ZeroExt8to64 x) y)
 22143  	for {
 22144  		t := v.Type
 22145  		x := v_0
 22146  		y := v_1
 22147  		if !(shiftIsBounded(v)) {
 22148  			break
 22149  		}
 22150  		v.reset(OpARM64SRL)
 22151  		v.Type = t
 22152  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22153  		v0.AddArg(x)
 22154  		v.AddArg2(v0, y)
 22155  		return true
 22156  	}
 22157  	// match: (Rsh8Ux16 <t> x y)
 22158  	// cond: !shiftIsBounded(v)
 22159  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt8to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y)))
 22160  	for {
 22161  		t := v.Type
 22162  		x := v_0
 22163  		y := v_1
 22164  		if !(!shiftIsBounded(v)) {
 22165  			break
 22166  		}
 22167  		v.reset(OpARM64CSEL)
 22168  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 22169  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 22170  		v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22171  		v1.AddArg(x)
 22172  		v0.AddArg2(v1, y)
 22173  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 22174  		v2.AuxInt = int64ToAuxInt(0)
 22175  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22176  		v3.AuxInt = int64ToAuxInt(64)
 22177  		v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 22178  		v4.AddArg(y)
 22179  		v3.AddArg(v4)
 22180  		v.AddArg3(v0, v2, v3)
 22181  		return true
 22182  	}
 22183  	return false
 22184  }
 22185  func rewriteValueARM64_OpRsh8Ux32(v *Value) bool {
 22186  	v_1 := v.Args[1]
 22187  	v_0 := v.Args[0]
 22188  	b := v.Block
 22189  	typ := &b.Func.Config.Types
 22190  	// match: (Rsh8Ux32 <t> x y)
 22191  	// cond: shiftIsBounded(v)
 22192  	// result: (SRL <t> (ZeroExt8to64 x) y)
 22193  	for {
 22194  		t := v.Type
 22195  		x := v_0
 22196  		y := v_1
 22197  		if !(shiftIsBounded(v)) {
 22198  			break
 22199  		}
 22200  		v.reset(OpARM64SRL)
 22201  		v.Type = t
 22202  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22203  		v0.AddArg(x)
 22204  		v.AddArg2(v0, y)
 22205  		return true
 22206  	}
 22207  	// match: (Rsh8Ux32 <t> x y)
 22208  	// cond: !shiftIsBounded(v)
 22209  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt8to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y)))
 22210  	for {
 22211  		t := v.Type
 22212  		x := v_0
 22213  		y := v_1
 22214  		if !(!shiftIsBounded(v)) {
 22215  			break
 22216  		}
 22217  		v.reset(OpARM64CSEL)
 22218  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 22219  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 22220  		v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22221  		v1.AddArg(x)
 22222  		v0.AddArg2(v1, y)
 22223  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 22224  		v2.AuxInt = int64ToAuxInt(0)
 22225  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22226  		v3.AuxInt = int64ToAuxInt(64)
 22227  		v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22228  		v4.AddArg(y)
 22229  		v3.AddArg(v4)
 22230  		v.AddArg3(v0, v2, v3)
 22231  		return true
 22232  	}
 22233  	return false
 22234  }
 22235  func rewriteValueARM64_OpRsh8Ux64(v *Value) bool {
 22236  	v_1 := v.Args[1]
 22237  	v_0 := v.Args[0]
 22238  	b := v.Block
 22239  	typ := &b.Func.Config.Types
 22240  	// match: (Rsh8Ux64 <t> x y)
 22241  	// cond: shiftIsBounded(v)
 22242  	// result: (SRL <t> (ZeroExt8to64 x) y)
 22243  	for {
 22244  		t := v.Type
 22245  		x := v_0
 22246  		y := v_1
 22247  		if !(shiftIsBounded(v)) {
 22248  			break
 22249  		}
 22250  		v.reset(OpARM64SRL)
 22251  		v.Type = t
 22252  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22253  		v0.AddArg(x)
 22254  		v.AddArg2(v0, y)
 22255  		return true
 22256  	}
 22257  	// match: (Rsh8Ux64 <t> x y)
 22258  	// cond: !shiftIsBounded(v)
 22259  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt8to64 x) y) (Const64 <t> [0]) (CMPconst [64] y))
 22260  	for {
 22261  		t := v.Type
 22262  		x := v_0
 22263  		y := v_1
 22264  		if !(!shiftIsBounded(v)) {
 22265  			break
 22266  		}
 22267  		v.reset(OpARM64CSEL)
 22268  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 22269  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 22270  		v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22271  		v1.AddArg(x)
 22272  		v0.AddArg2(v1, y)
 22273  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 22274  		v2.AuxInt = int64ToAuxInt(0)
 22275  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22276  		v3.AuxInt = int64ToAuxInt(64)
 22277  		v3.AddArg(y)
 22278  		v.AddArg3(v0, v2, v3)
 22279  		return true
 22280  	}
 22281  	return false
 22282  }
 22283  func rewriteValueARM64_OpRsh8Ux8(v *Value) bool {
 22284  	v_1 := v.Args[1]
 22285  	v_0 := v.Args[0]
 22286  	b := v.Block
 22287  	typ := &b.Func.Config.Types
 22288  	// match: (Rsh8Ux8 <t> x y)
 22289  	// cond: shiftIsBounded(v)
 22290  	// result: (SRL <t> (ZeroExt8to64 x) y)
 22291  	for {
 22292  		t := v.Type
 22293  		x := v_0
 22294  		y := v_1
 22295  		if !(shiftIsBounded(v)) {
 22296  			break
 22297  		}
 22298  		v.reset(OpARM64SRL)
 22299  		v.Type = t
 22300  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22301  		v0.AddArg(x)
 22302  		v.AddArg2(v0, y)
 22303  		return true
 22304  	}
 22305  	// match: (Rsh8Ux8 <t> x y)
 22306  	// cond: !shiftIsBounded(v)
 22307  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt8to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y)))
 22308  	for {
 22309  		t := v.Type
 22310  		x := v_0
 22311  		y := v_1
 22312  		if !(!shiftIsBounded(v)) {
 22313  			break
 22314  		}
 22315  		v.reset(OpARM64CSEL)
 22316  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 22317  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 22318  		v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22319  		v1.AddArg(x)
 22320  		v0.AddArg2(v1, y)
 22321  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 22322  		v2.AuxInt = int64ToAuxInt(0)
 22323  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22324  		v3.AuxInt = int64ToAuxInt(64)
 22325  		v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22326  		v4.AddArg(y)
 22327  		v3.AddArg(v4)
 22328  		v.AddArg3(v0, v2, v3)
 22329  		return true
 22330  	}
 22331  	return false
 22332  }
 22333  func rewriteValueARM64_OpRsh8x16(v *Value) bool {
 22334  	v_1 := v.Args[1]
 22335  	v_0 := v.Args[0]
 22336  	b := v.Block
 22337  	typ := &b.Func.Config.Types
 22338  	// match: (Rsh8x16 <t> x y)
 22339  	// cond: shiftIsBounded(v)
 22340  	// result: (SRA <t> (SignExt8to64 x) y)
 22341  	for {
 22342  		t := v.Type
 22343  		x := v_0
 22344  		y := v_1
 22345  		if !(shiftIsBounded(v)) {
 22346  			break
 22347  		}
 22348  		v.reset(OpARM64SRA)
 22349  		v.Type = t
 22350  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 22351  		v0.AddArg(x)
 22352  		v.AddArg2(v0, y)
 22353  		return true
 22354  	}
 22355  	// match: (Rsh8x16 x y)
 22356  	// cond: !shiftIsBounded(v)
 22357  	// result: (SRA (SignExt8to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt16to64 y))))
 22358  	for {
 22359  		x := v_0
 22360  		y := v_1
 22361  		if !(!shiftIsBounded(v)) {
 22362  			break
 22363  		}
 22364  		v.reset(OpARM64SRA)
 22365  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 22366  		v0.AddArg(x)
 22367  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22368  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 22369  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22370  		v2.AuxInt = int64ToAuxInt(63)
 22371  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22372  		v3.AuxInt = int64ToAuxInt(64)
 22373  		v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 22374  		v4.AddArg(y)
 22375  		v3.AddArg(v4)
 22376  		v1.AddArg3(y, v2, v3)
 22377  		v.AddArg2(v0, v1)
 22378  		return true
 22379  	}
 22380  	return false
 22381  }
 22382  func rewriteValueARM64_OpRsh8x32(v *Value) bool {
 22383  	v_1 := v.Args[1]
 22384  	v_0 := v.Args[0]
 22385  	b := v.Block
 22386  	typ := &b.Func.Config.Types
 22387  	// match: (Rsh8x32 <t> x y)
 22388  	// cond: shiftIsBounded(v)
 22389  	// result: (SRA <t> (SignExt8to64 x) y)
 22390  	for {
 22391  		t := v.Type
 22392  		x := v_0
 22393  		y := v_1
 22394  		if !(shiftIsBounded(v)) {
 22395  			break
 22396  		}
 22397  		v.reset(OpARM64SRA)
 22398  		v.Type = t
 22399  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 22400  		v0.AddArg(x)
 22401  		v.AddArg2(v0, y)
 22402  		return true
 22403  	}
 22404  	// match: (Rsh8x32 x y)
 22405  	// cond: !shiftIsBounded(v)
 22406  	// result: (SRA (SignExt8to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt32to64 y))))
 22407  	for {
 22408  		x := v_0
 22409  		y := v_1
 22410  		if !(!shiftIsBounded(v)) {
 22411  			break
 22412  		}
 22413  		v.reset(OpARM64SRA)
 22414  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 22415  		v0.AddArg(x)
 22416  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22417  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 22418  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22419  		v2.AuxInt = int64ToAuxInt(63)
 22420  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22421  		v3.AuxInt = int64ToAuxInt(64)
 22422  		v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22423  		v4.AddArg(y)
 22424  		v3.AddArg(v4)
 22425  		v1.AddArg3(y, v2, v3)
 22426  		v.AddArg2(v0, v1)
 22427  		return true
 22428  	}
 22429  	return false
 22430  }
 22431  func rewriteValueARM64_OpRsh8x64(v *Value) bool {
 22432  	v_1 := v.Args[1]
 22433  	v_0 := v.Args[0]
 22434  	b := v.Block
 22435  	typ := &b.Func.Config.Types
 22436  	// match: (Rsh8x64 <t> x y)
 22437  	// cond: shiftIsBounded(v)
 22438  	// result: (SRA <t> (SignExt8to64 x) y)
 22439  	for {
 22440  		t := v.Type
 22441  		x := v_0
 22442  		y := v_1
 22443  		if !(shiftIsBounded(v)) {
 22444  			break
 22445  		}
 22446  		v.reset(OpARM64SRA)
 22447  		v.Type = t
 22448  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 22449  		v0.AddArg(x)
 22450  		v.AddArg2(v0, y)
 22451  		return true
 22452  	}
 22453  	// match: (Rsh8x64 x y)
 22454  	// cond: !shiftIsBounded(v)
 22455  	// result: (SRA (SignExt8to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] y)))
 22456  	for {
 22457  		x := v_0
 22458  		y := v_1
 22459  		if !(!shiftIsBounded(v)) {
 22460  			break
 22461  		}
 22462  		v.reset(OpARM64SRA)
 22463  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 22464  		v0.AddArg(x)
 22465  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22466  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 22467  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22468  		v2.AuxInt = int64ToAuxInt(63)
 22469  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22470  		v3.AuxInt = int64ToAuxInt(64)
 22471  		v3.AddArg(y)
 22472  		v1.AddArg3(y, v2, v3)
 22473  		v.AddArg2(v0, v1)
 22474  		return true
 22475  	}
 22476  	return false
 22477  }
 22478  func rewriteValueARM64_OpRsh8x8(v *Value) bool {
 22479  	v_1 := v.Args[1]
 22480  	v_0 := v.Args[0]
 22481  	b := v.Block
 22482  	typ := &b.Func.Config.Types
 22483  	// match: (Rsh8x8 <t> x y)
 22484  	// cond: shiftIsBounded(v)
 22485  	// result: (SRA <t> (SignExt8to64 x) y)
 22486  	for {
 22487  		t := v.Type
 22488  		x := v_0
 22489  		y := v_1
 22490  		if !(shiftIsBounded(v)) {
 22491  			break
 22492  		}
 22493  		v.reset(OpARM64SRA)
 22494  		v.Type = t
 22495  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 22496  		v0.AddArg(x)
 22497  		v.AddArg2(v0, y)
 22498  		return true
 22499  	}
 22500  	// match: (Rsh8x8 x y)
 22501  	// cond: !shiftIsBounded(v)
 22502  	// result: (SRA (SignExt8to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt8to64 y))))
 22503  	for {
 22504  		x := v_0
 22505  		y := v_1
 22506  		if !(!shiftIsBounded(v)) {
 22507  			break
 22508  		}
 22509  		v.reset(OpARM64SRA)
 22510  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 22511  		v0.AddArg(x)
 22512  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22513  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 22514  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22515  		v2.AuxInt = int64ToAuxInt(63)
 22516  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22517  		v3.AuxInt = int64ToAuxInt(64)
 22518  		v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22519  		v4.AddArg(y)
 22520  		v3.AddArg(v4)
 22521  		v1.AddArg3(y, v2, v3)
 22522  		v.AddArg2(v0, v1)
 22523  		return true
 22524  	}
 22525  	return false
 22526  }
 22527  func rewriteValueARM64_OpSelect0(v *Value) bool {
 22528  	v_0 := v.Args[0]
 22529  	b := v.Block
 22530  	typ := &b.Func.Config.Types
 22531  	// match: (Select0 (Mul64uhilo x y))
 22532  	// result: (UMULH x y)
 22533  	for {
 22534  		if v_0.Op != OpMul64uhilo {
 22535  			break
 22536  		}
 22537  		y := v_0.Args[1]
 22538  		x := v_0.Args[0]
 22539  		v.reset(OpARM64UMULH)
 22540  		v.AddArg2(x, y)
 22541  		return true
 22542  	}
 22543  	// match: (Select0 (Add64carry x y c))
 22544  	// result: (Select0 <typ.UInt64> (ADCSflags x y (Select1 <types.TypeFlags> (ADDSconstflags [-1] c))))
 22545  	for {
 22546  		if v_0.Op != OpAdd64carry {
 22547  			break
 22548  		}
 22549  		c := v_0.Args[2]
 22550  		x := v_0.Args[0]
 22551  		y := v_0.Args[1]
 22552  		v.reset(OpSelect0)
 22553  		v.Type = typ.UInt64
 22554  		v0 := b.NewValue0(v.Pos, OpARM64ADCSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 22555  		v1 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 22556  		v2 := b.NewValue0(v.Pos, OpARM64ADDSconstflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 22557  		v2.AuxInt = int64ToAuxInt(-1)
 22558  		v2.AddArg(c)
 22559  		v1.AddArg(v2)
 22560  		v0.AddArg3(x, y, v1)
 22561  		v.AddArg(v0)
 22562  		return true
 22563  	}
 22564  	// match: (Select0 (Sub64borrow x y bo))
 22565  	// result: (Select0 <typ.UInt64> (SBCSflags x y (Select1 <types.TypeFlags> (NEGSflags bo))))
 22566  	for {
 22567  		if v_0.Op != OpSub64borrow {
 22568  			break
 22569  		}
 22570  		bo := v_0.Args[2]
 22571  		x := v_0.Args[0]
 22572  		y := v_0.Args[1]
 22573  		v.reset(OpSelect0)
 22574  		v.Type = typ.UInt64
 22575  		v0 := b.NewValue0(v.Pos, OpARM64SBCSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 22576  		v1 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 22577  		v2 := b.NewValue0(v.Pos, OpARM64NEGSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 22578  		v2.AddArg(bo)
 22579  		v1.AddArg(v2)
 22580  		v0.AddArg3(x, y, v1)
 22581  		v.AddArg(v0)
 22582  		return true
 22583  	}
 22584  	// match: (Select0 (Mul64uover x y))
 22585  	// result: (MUL x y)
 22586  	for {
 22587  		if v_0.Op != OpMul64uover {
 22588  			break
 22589  		}
 22590  		y := v_0.Args[1]
 22591  		x := v_0.Args[0]
 22592  		v.reset(OpARM64MUL)
 22593  		v.AddArg2(x, y)
 22594  		return true
 22595  	}
 22596  	return false
 22597  }
 22598  func rewriteValueARM64_OpSelect1(v *Value) bool {
 22599  	v_0 := v.Args[0]
 22600  	b := v.Block
 22601  	typ := &b.Func.Config.Types
 22602  	// match: (Select1 (Mul64uhilo x y))
 22603  	// result: (MUL x y)
 22604  	for {
 22605  		if v_0.Op != OpMul64uhilo {
 22606  			break
 22607  		}
 22608  		y := v_0.Args[1]
 22609  		x := v_0.Args[0]
 22610  		v.reset(OpARM64MUL)
 22611  		v.AddArg2(x, y)
 22612  		return true
 22613  	}
 22614  	// match: (Select1 (Add64carry x y c))
 22615  	// result: (ADCzerocarry <typ.UInt64> (Select1 <types.TypeFlags> (ADCSflags x y (Select1 <types.TypeFlags> (ADDSconstflags [-1] c)))))
 22616  	for {
 22617  		if v_0.Op != OpAdd64carry {
 22618  			break
 22619  		}
 22620  		c := v_0.Args[2]
 22621  		x := v_0.Args[0]
 22622  		y := v_0.Args[1]
 22623  		v.reset(OpARM64ADCzerocarry)
 22624  		v.Type = typ.UInt64
 22625  		v0 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 22626  		v1 := b.NewValue0(v.Pos, OpARM64ADCSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 22627  		v2 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 22628  		v3 := b.NewValue0(v.Pos, OpARM64ADDSconstflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 22629  		v3.AuxInt = int64ToAuxInt(-1)
 22630  		v3.AddArg(c)
 22631  		v2.AddArg(v3)
 22632  		v1.AddArg3(x, y, v2)
 22633  		v0.AddArg(v1)
 22634  		v.AddArg(v0)
 22635  		return true
 22636  	}
 22637  	// match: (Select1 (Sub64borrow x y bo))
 22638  	// result: (NEG <typ.UInt64> (NGCzerocarry <typ.UInt64> (Select1 <types.TypeFlags> (SBCSflags x y (Select1 <types.TypeFlags> (NEGSflags bo))))))
 22639  	for {
 22640  		if v_0.Op != OpSub64borrow {
 22641  			break
 22642  		}
 22643  		bo := v_0.Args[2]
 22644  		x := v_0.Args[0]
 22645  		y := v_0.Args[1]
 22646  		v.reset(OpARM64NEG)
 22647  		v.Type = typ.UInt64
 22648  		v0 := b.NewValue0(v.Pos, OpARM64NGCzerocarry, typ.UInt64)
 22649  		v1 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 22650  		v2 := b.NewValue0(v.Pos, OpARM64SBCSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 22651  		v3 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 22652  		v4 := b.NewValue0(v.Pos, OpARM64NEGSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 22653  		v4.AddArg(bo)
 22654  		v3.AddArg(v4)
 22655  		v2.AddArg3(x, y, v3)
 22656  		v1.AddArg(v2)
 22657  		v0.AddArg(v1)
 22658  		v.AddArg(v0)
 22659  		return true
 22660  	}
 22661  	// match: (Select1 (Mul64uover x y))
 22662  	// result: (NotEqual (CMPconst (UMULH <typ.UInt64> x y) [0]))
 22663  	for {
 22664  		if v_0.Op != OpMul64uover {
 22665  			break
 22666  		}
 22667  		y := v_0.Args[1]
 22668  		x := v_0.Args[0]
 22669  		v.reset(OpARM64NotEqual)
 22670  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22671  		v0.AuxInt = int64ToAuxInt(0)
 22672  		v1 := b.NewValue0(v.Pos, OpARM64UMULH, typ.UInt64)
 22673  		v1.AddArg2(x, y)
 22674  		v0.AddArg(v1)
 22675  		v.AddArg(v0)
 22676  		return true
 22677  	}
 22678  	return false
 22679  }
 22680  func rewriteValueARM64_OpSelectN(v *Value) bool {
 22681  	v_0 := v.Args[0]
 22682  	b := v.Block
 22683  	config := b.Func.Config
 22684  	// match: (SelectN [0] call:(CALLstatic {sym} s1:(MOVDstore _ (MOVDconst [sz]) s2:(MOVDstore _ src s3:(MOVDstore {t} _ dst mem)))))
 22685  	// cond: sz >= 0 && isSameCall(sym, "runtime.memmove") && s1.Uses == 1 && s2.Uses == 1 && s3.Uses == 1 && isInlinableMemmove(dst, src, sz, config) && clobber(s1, s2, s3, call)
 22686  	// result: (Move [sz] dst src mem)
 22687  	for {
 22688  		if auxIntToInt64(v.AuxInt) != 0 {
 22689  			break
 22690  		}
 22691  		call := v_0
 22692  		if call.Op != OpARM64CALLstatic || len(call.Args) != 1 {
 22693  			break
 22694  		}
 22695  		sym := auxToCall(call.Aux)
 22696  		s1 := call.Args[0]
 22697  		if s1.Op != OpARM64MOVDstore {
 22698  			break
 22699  		}
 22700  		_ = s1.Args[2]
 22701  		s1_1 := s1.Args[1]
 22702  		if s1_1.Op != OpARM64MOVDconst {
 22703  			break
 22704  		}
 22705  		sz := auxIntToInt64(s1_1.AuxInt)
 22706  		s2 := s1.Args[2]
 22707  		if s2.Op != OpARM64MOVDstore {
 22708  			break
 22709  		}
 22710  		_ = s2.Args[2]
 22711  		src := s2.Args[1]
 22712  		s3 := s2.Args[2]
 22713  		if s3.Op != OpARM64MOVDstore {
 22714  			break
 22715  		}
 22716  		mem := s3.Args[2]
 22717  		dst := s3.Args[1]
 22718  		if !(sz >= 0 && isSameCall(sym, "runtime.memmove") && s1.Uses == 1 && s2.Uses == 1 && s3.Uses == 1 && isInlinableMemmove(dst, src, sz, config) && clobber(s1, s2, s3, call)) {
 22719  			break
 22720  		}
 22721  		v.reset(OpMove)
 22722  		v.AuxInt = int64ToAuxInt(sz)
 22723  		v.AddArg3(dst, src, mem)
 22724  		return true
 22725  	}
 22726  	// match: (SelectN [0] call:(CALLstatic {sym} dst src (MOVDconst [sz]) mem))
 22727  	// cond: sz >= 0 && isSameCall(sym, "runtime.memmove") && call.Uses == 1 && isInlinableMemmove(dst, src, sz, config) && clobber(call)
 22728  	// result: (Move [sz] dst src mem)
 22729  	for {
 22730  		if auxIntToInt64(v.AuxInt) != 0 {
 22731  			break
 22732  		}
 22733  		call := v_0
 22734  		if call.Op != OpARM64CALLstatic || len(call.Args) != 4 {
 22735  			break
 22736  		}
 22737  		sym := auxToCall(call.Aux)
 22738  		mem := call.Args[3]
 22739  		dst := call.Args[0]
 22740  		src := call.Args[1]
 22741  		call_2 := call.Args[2]
 22742  		if call_2.Op != OpARM64MOVDconst {
 22743  			break
 22744  		}
 22745  		sz := auxIntToInt64(call_2.AuxInt)
 22746  		if !(sz >= 0 && isSameCall(sym, "runtime.memmove") && call.Uses == 1 && isInlinableMemmove(dst, src, sz, config) && clobber(call)) {
 22747  			break
 22748  		}
 22749  		v.reset(OpMove)
 22750  		v.AuxInt = int64ToAuxInt(sz)
 22751  		v.AddArg3(dst, src, mem)
 22752  		return true
 22753  	}
 22754  	return false
 22755  }
 22756  func rewriteValueARM64_OpSlicemask(v *Value) bool {
 22757  	v_0 := v.Args[0]
 22758  	b := v.Block
 22759  	// match: (Slicemask <t> x)
 22760  	// result: (SRAconst (NEG <t> x) [63])
 22761  	for {
 22762  		t := v.Type
 22763  		x := v_0
 22764  		v.reset(OpARM64SRAconst)
 22765  		v.AuxInt = int64ToAuxInt(63)
 22766  		v0 := b.NewValue0(v.Pos, OpARM64NEG, t)
 22767  		v0.AddArg(x)
 22768  		v.AddArg(v0)
 22769  		return true
 22770  	}
 22771  }
 22772  func rewriteValueARM64_OpStore(v *Value) bool {
 22773  	v_2 := v.Args[2]
 22774  	v_1 := v.Args[1]
 22775  	v_0 := v.Args[0]
 22776  	// match: (Store {t} ptr val mem)
 22777  	// cond: t.Size() == 1
 22778  	// result: (MOVBstore ptr val mem)
 22779  	for {
 22780  		t := auxToType(v.Aux)
 22781  		ptr := v_0
 22782  		val := v_1
 22783  		mem := v_2
 22784  		if !(t.Size() == 1) {
 22785  			break
 22786  		}
 22787  		v.reset(OpARM64MOVBstore)
 22788  		v.AddArg3(ptr, val, mem)
 22789  		return true
 22790  	}
 22791  	// match: (Store {t} ptr val mem)
 22792  	// cond: t.Size() == 2
 22793  	// result: (MOVHstore ptr val mem)
 22794  	for {
 22795  		t := auxToType(v.Aux)
 22796  		ptr := v_0
 22797  		val := v_1
 22798  		mem := v_2
 22799  		if !(t.Size() == 2) {
 22800  			break
 22801  		}
 22802  		v.reset(OpARM64MOVHstore)
 22803  		v.AddArg3(ptr, val, mem)
 22804  		return true
 22805  	}
 22806  	// match: (Store {t} ptr val mem)
 22807  	// cond: t.Size() == 4 && !t.IsFloat()
 22808  	// result: (MOVWstore ptr val mem)
 22809  	for {
 22810  		t := auxToType(v.Aux)
 22811  		ptr := v_0
 22812  		val := v_1
 22813  		mem := v_2
 22814  		if !(t.Size() == 4 && !t.IsFloat()) {
 22815  			break
 22816  		}
 22817  		v.reset(OpARM64MOVWstore)
 22818  		v.AddArg3(ptr, val, mem)
 22819  		return true
 22820  	}
 22821  	// match: (Store {t} ptr val mem)
 22822  	// cond: t.Size() == 8 && !t.IsFloat()
 22823  	// result: (MOVDstore ptr val mem)
 22824  	for {
 22825  		t := auxToType(v.Aux)
 22826  		ptr := v_0
 22827  		val := v_1
 22828  		mem := v_2
 22829  		if !(t.Size() == 8 && !t.IsFloat()) {
 22830  			break
 22831  		}
 22832  		v.reset(OpARM64MOVDstore)
 22833  		v.AddArg3(ptr, val, mem)
 22834  		return true
 22835  	}
 22836  	// match: (Store {t} ptr val mem)
 22837  	// cond: t.Size() == 4 && t.IsFloat()
 22838  	// result: (FMOVSstore ptr val mem)
 22839  	for {
 22840  		t := auxToType(v.Aux)
 22841  		ptr := v_0
 22842  		val := v_1
 22843  		mem := v_2
 22844  		if !(t.Size() == 4 && t.IsFloat()) {
 22845  			break
 22846  		}
 22847  		v.reset(OpARM64FMOVSstore)
 22848  		v.AddArg3(ptr, val, mem)
 22849  		return true
 22850  	}
 22851  	// match: (Store {t} ptr val mem)
 22852  	// cond: t.Size() == 8 && t.IsFloat()
 22853  	// result: (FMOVDstore ptr val mem)
 22854  	for {
 22855  		t := auxToType(v.Aux)
 22856  		ptr := v_0
 22857  		val := v_1
 22858  		mem := v_2
 22859  		if !(t.Size() == 8 && t.IsFloat()) {
 22860  			break
 22861  		}
 22862  		v.reset(OpARM64FMOVDstore)
 22863  		v.AddArg3(ptr, val, mem)
 22864  		return true
 22865  	}
 22866  	return false
 22867  }
 22868  func rewriteValueARM64_OpZero(v *Value) bool {
 22869  	v_1 := v.Args[1]
 22870  	v_0 := v.Args[0]
 22871  	b := v.Block
 22872  	config := b.Func.Config
 22873  	typ := &b.Func.Config.Types
 22874  	// match: (Zero [0] _ mem)
 22875  	// result: mem
 22876  	for {
 22877  		if auxIntToInt64(v.AuxInt) != 0 {
 22878  			break
 22879  		}
 22880  		mem := v_1
 22881  		v.copyOf(mem)
 22882  		return true
 22883  	}
 22884  	// match: (Zero [1] ptr mem)
 22885  	// result: (MOVBstore ptr (MOVDconst [0]) mem)
 22886  	for {
 22887  		if auxIntToInt64(v.AuxInt) != 1 {
 22888  			break
 22889  		}
 22890  		ptr := v_0
 22891  		mem := v_1
 22892  		v.reset(OpARM64MOVBstore)
 22893  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 22894  		v0.AuxInt = int64ToAuxInt(0)
 22895  		v.AddArg3(ptr, v0, mem)
 22896  		return true
 22897  	}
 22898  	// match: (Zero [2] ptr mem)
 22899  	// result: (MOVHstore ptr (MOVDconst [0]) mem)
 22900  	for {
 22901  		if auxIntToInt64(v.AuxInt) != 2 {
 22902  			break
 22903  		}
 22904  		ptr := v_0
 22905  		mem := v_1
 22906  		v.reset(OpARM64MOVHstore)
 22907  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 22908  		v0.AuxInt = int64ToAuxInt(0)
 22909  		v.AddArg3(ptr, v0, mem)
 22910  		return true
 22911  	}
 22912  	// match: (Zero [4] ptr mem)
 22913  	// result: (MOVWstore ptr (MOVDconst [0]) mem)
 22914  	for {
 22915  		if auxIntToInt64(v.AuxInt) != 4 {
 22916  			break
 22917  		}
 22918  		ptr := v_0
 22919  		mem := v_1
 22920  		v.reset(OpARM64MOVWstore)
 22921  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 22922  		v0.AuxInt = int64ToAuxInt(0)
 22923  		v.AddArg3(ptr, v0, mem)
 22924  		return true
 22925  	}
 22926  	// match: (Zero [3] ptr mem)
 22927  	// result: (MOVBstore [2] ptr (MOVDconst [0]) (MOVHstore ptr (MOVDconst [0]) mem))
 22928  	for {
 22929  		if auxIntToInt64(v.AuxInt) != 3 {
 22930  			break
 22931  		}
 22932  		ptr := v_0
 22933  		mem := v_1
 22934  		v.reset(OpARM64MOVBstore)
 22935  		v.AuxInt = int32ToAuxInt(2)
 22936  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 22937  		v0.AuxInt = int64ToAuxInt(0)
 22938  		v1 := b.NewValue0(v.Pos, OpARM64MOVHstore, types.TypeMem)
 22939  		v1.AddArg3(ptr, v0, mem)
 22940  		v.AddArg3(ptr, v0, v1)
 22941  		return true
 22942  	}
 22943  	// match: (Zero [5] ptr mem)
 22944  	// result: (MOVBstore [4] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem))
 22945  	for {
 22946  		if auxIntToInt64(v.AuxInt) != 5 {
 22947  			break
 22948  		}
 22949  		ptr := v_0
 22950  		mem := v_1
 22951  		v.reset(OpARM64MOVBstore)
 22952  		v.AuxInt = int32ToAuxInt(4)
 22953  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 22954  		v0.AuxInt = int64ToAuxInt(0)
 22955  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 22956  		v1.AddArg3(ptr, v0, mem)
 22957  		v.AddArg3(ptr, v0, v1)
 22958  		return true
 22959  	}
 22960  	// match: (Zero [6] ptr mem)
 22961  	// result: (MOVHstore [4] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem))
 22962  	for {
 22963  		if auxIntToInt64(v.AuxInt) != 6 {
 22964  			break
 22965  		}
 22966  		ptr := v_0
 22967  		mem := v_1
 22968  		v.reset(OpARM64MOVHstore)
 22969  		v.AuxInt = int32ToAuxInt(4)
 22970  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 22971  		v0.AuxInt = int64ToAuxInt(0)
 22972  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 22973  		v1.AddArg3(ptr, v0, mem)
 22974  		v.AddArg3(ptr, v0, v1)
 22975  		return true
 22976  	}
 22977  	// match: (Zero [7] ptr mem)
 22978  	// result: (MOVWstore [3] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem))
 22979  	for {
 22980  		if auxIntToInt64(v.AuxInt) != 7 {
 22981  			break
 22982  		}
 22983  		ptr := v_0
 22984  		mem := v_1
 22985  		v.reset(OpARM64MOVWstore)
 22986  		v.AuxInt = int32ToAuxInt(3)
 22987  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 22988  		v0.AuxInt = int64ToAuxInt(0)
 22989  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 22990  		v1.AddArg3(ptr, v0, mem)
 22991  		v.AddArg3(ptr, v0, v1)
 22992  		return true
 22993  	}
 22994  	// match: (Zero [8] ptr mem)
 22995  	// result: (MOVDstore ptr (MOVDconst [0]) mem)
 22996  	for {
 22997  		if auxIntToInt64(v.AuxInt) != 8 {
 22998  			break
 22999  		}
 23000  		ptr := v_0
 23001  		mem := v_1
 23002  		v.reset(OpARM64MOVDstore)
 23003  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23004  		v0.AuxInt = int64ToAuxInt(0)
 23005  		v.AddArg3(ptr, v0, mem)
 23006  		return true
 23007  	}
 23008  	// match: (Zero [9] ptr mem)
 23009  	// result: (MOVBstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 23010  	for {
 23011  		if auxIntToInt64(v.AuxInt) != 9 {
 23012  			break
 23013  		}
 23014  		ptr := v_0
 23015  		mem := v_1
 23016  		v.reset(OpARM64MOVBstore)
 23017  		v.AuxInt = int32ToAuxInt(8)
 23018  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23019  		v0.AuxInt = int64ToAuxInt(0)
 23020  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 23021  		v1.AddArg3(ptr, v0, mem)
 23022  		v.AddArg3(ptr, v0, v1)
 23023  		return true
 23024  	}
 23025  	// match: (Zero [10] ptr mem)
 23026  	// result: (MOVHstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 23027  	for {
 23028  		if auxIntToInt64(v.AuxInt) != 10 {
 23029  			break
 23030  		}
 23031  		ptr := v_0
 23032  		mem := v_1
 23033  		v.reset(OpARM64MOVHstore)
 23034  		v.AuxInt = int32ToAuxInt(8)
 23035  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23036  		v0.AuxInt = int64ToAuxInt(0)
 23037  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 23038  		v1.AddArg3(ptr, v0, mem)
 23039  		v.AddArg3(ptr, v0, v1)
 23040  		return true
 23041  	}
 23042  	// match: (Zero [11] ptr mem)
 23043  	// result: (MOVDstore [3] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 23044  	for {
 23045  		if auxIntToInt64(v.AuxInt) != 11 {
 23046  			break
 23047  		}
 23048  		ptr := v_0
 23049  		mem := v_1
 23050  		v.reset(OpARM64MOVDstore)
 23051  		v.AuxInt = int32ToAuxInt(3)
 23052  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23053  		v0.AuxInt = int64ToAuxInt(0)
 23054  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 23055  		v1.AddArg3(ptr, v0, mem)
 23056  		v.AddArg3(ptr, v0, v1)
 23057  		return true
 23058  	}
 23059  	// match: (Zero [12] ptr mem)
 23060  	// result: (MOVWstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 23061  	for {
 23062  		if auxIntToInt64(v.AuxInt) != 12 {
 23063  			break
 23064  		}
 23065  		ptr := v_0
 23066  		mem := v_1
 23067  		v.reset(OpARM64MOVWstore)
 23068  		v.AuxInt = int32ToAuxInt(8)
 23069  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23070  		v0.AuxInt = int64ToAuxInt(0)
 23071  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 23072  		v1.AddArg3(ptr, v0, mem)
 23073  		v.AddArg3(ptr, v0, v1)
 23074  		return true
 23075  	}
 23076  	// match: (Zero [13] ptr mem)
 23077  	// result: (MOVDstore [5] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 23078  	for {
 23079  		if auxIntToInt64(v.AuxInt) != 13 {
 23080  			break
 23081  		}
 23082  		ptr := v_0
 23083  		mem := v_1
 23084  		v.reset(OpARM64MOVDstore)
 23085  		v.AuxInt = int32ToAuxInt(5)
 23086  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23087  		v0.AuxInt = int64ToAuxInt(0)
 23088  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 23089  		v1.AddArg3(ptr, v0, mem)
 23090  		v.AddArg3(ptr, v0, v1)
 23091  		return true
 23092  	}
 23093  	// match: (Zero [14] ptr mem)
 23094  	// result: (MOVDstore [6] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 23095  	for {
 23096  		if auxIntToInt64(v.AuxInt) != 14 {
 23097  			break
 23098  		}
 23099  		ptr := v_0
 23100  		mem := v_1
 23101  		v.reset(OpARM64MOVDstore)
 23102  		v.AuxInt = int32ToAuxInt(6)
 23103  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23104  		v0.AuxInt = int64ToAuxInt(0)
 23105  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 23106  		v1.AddArg3(ptr, v0, mem)
 23107  		v.AddArg3(ptr, v0, v1)
 23108  		return true
 23109  	}
 23110  	// match: (Zero [15] ptr mem)
 23111  	// result: (MOVDstore [7] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 23112  	for {
 23113  		if auxIntToInt64(v.AuxInt) != 15 {
 23114  			break
 23115  		}
 23116  		ptr := v_0
 23117  		mem := v_1
 23118  		v.reset(OpARM64MOVDstore)
 23119  		v.AuxInt = int32ToAuxInt(7)
 23120  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23121  		v0.AuxInt = int64ToAuxInt(0)
 23122  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 23123  		v1.AddArg3(ptr, v0, mem)
 23124  		v.AddArg3(ptr, v0, v1)
 23125  		return true
 23126  	}
 23127  	// match: (Zero [16] ptr mem)
 23128  	// result: (STP [0] ptr (MOVDconst [0]) (MOVDconst [0]) mem)
 23129  	for {
 23130  		if auxIntToInt64(v.AuxInt) != 16 {
 23131  			break
 23132  		}
 23133  		ptr := v_0
 23134  		mem := v_1
 23135  		v.reset(OpARM64STP)
 23136  		v.AuxInt = int32ToAuxInt(0)
 23137  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23138  		v0.AuxInt = int64ToAuxInt(0)
 23139  		v.AddArg4(ptr, v0, v0, mem)
 23140  		return true
 23141  	}
 23142  	// match: (Zero [32] ptr mem)
 23143  	// result: (STP [16] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [0] ptr (MOVDconst [0]) (MOVDconst [0]) mem))
 23144  	for {
 23145  		if auxIntToInt64(v.AuxInt) != 32 {
 23146  			break
 23147  		}
 23148  		ptr := v_0
 23149  		mem := v_1
 23150  		v.reset(OpARM64STP)
 23151  		v.AuxInt = int32ToAuxInt(16)
 23152  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23153  		v0.AuxInt = int64ToAuxInt(0)
 23154  		v1 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 23155  		v1.AuxInt = int32ToAuxInt(0)
 23156  		v1.AddArg4(ptr, v0, v0, mem)
 23157  		v.AddArg4(ptr, v0, v0, v1)
 23158  		return true
 23159  	}
 23160  	// match: (Zero [48] ptr mem)
 23161  	// result: (STP [32] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [16] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [0] ptr (MOVDconst [0]) (MOVDconst [0]) mem)))
 23162  	for {
 23163  		if auxIntToInt64(v.AuxInt) != 48 {
 23164  			break
 23165  		}
 23166  		ptr := v_0
 23167  		mem := v_1
 23168  		v.reset(OpARM64STP)
 23169  		v.AuxInt = int32ToAuxInt(32)
 23170  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23171  		v0.AuxInt = int64ToAuxInt(0)
 23172  		v1 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 23173  		v1.AuxInt = int32ToAuxInt(16)
 23174  		v2 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 23175  		v2.AuxInt = int32ToAuxInt(0)
 23176  		v2.AddArg4(ptr, v0, v0, mem)
 23177  		v1.AddArg4(ptr, v0, v0, v2)
 23178  		v.AddArg4(ptr, v0, v0, v1)
 23179  		return true
 23180  	}
 23181  	// match: (Zero [64] ptr mem)
 23182  	// result: (STP [48] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [32] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [16] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [0] ptr (MOVDconst [0]) (MOVDconst [0]) mem))))
 23183  	for {
 23184  		if auxIntToInt64(v.AuxInt) != 64 {
 23185  			break
 23186  		}
 23187  		ptr := v_0
 23188  		mem := v_1
 23189  		v.reset(OpARM64STP)
 23190  		v.AuxInt = int32ToAuxInt(48)
 23191  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23192  		v0.AuxInt = int64ToAuxInt(0)
 23193  		v1 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 23194  		v1.AuxInt = int32ToAuxInt(32)
 23195  		v2 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 23196  		v2.AuxInt = int32ToAuxInt(16)
 23197  		v3 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 23198  		v3.AuxInt = int32ToAuxInt(0)
 23199  		v3.AddArg4(ptr, v0, v0, mem)
 23200  		v2.AddArg4(ptr, v0, v0, v3)
 23201  		v1.AddArg4(ptr, v0, v0, v2)
 23202  		v.AddArg4(ptr, v0, v0, v1)
 23203  		return true
 23204  	}
 23205  	// match: (Zero [s] ptr mem)
 23206  	// cond: s%16 != 0 && s%16 <= 8 && s > 16
 23207  	// result: (Zero [8] (OffPtr <ptr.Type> ptr [s-8]) (Zero [s-s%16] ptr mem))
 23208  	for {
 23209  		s := auxIntToInt64(v.AuxInt)
 23210  		ptr := v_0
 23211  		mem := v_1
 23212  		if !(s%16 != 0 && s%16 <= 8 && s > 16) {
 23213  			break
 23214  		}
 23215  		v.reset(OpZero)
 23216  		v.AuxInt = int64ToAuxInt(8)
 23217  		v0 := b.NewValue0(v.Pos, OpOffPtr, ptr.Type)
 23218  		v0.AuxInt = int64ToAuxInt(s - 8)
 23219  		v0.AddArg(ptr)
 23220  		v1 := b.NewValue0(v.Pos, OpZero, types.TypeMem)
 23221  		v1.AuxInt = int64ToAuxInt(s - s%16)
 23222  		v1.AddArg2(ptr, mem)
 23223  		v.AddArg2(v0, v1)
 23224  		return true
 23225  	}
 23226  	// match: (Zero [s] ptr mem)
 23227  	// cond: s%16 != 0 && s%16 > 8 && s > 16
 23228  	// result: (Zero [16] (OffPtr <ptr.Type> ptr [s-16]) (Zero [s-s%16] ptr mem))
 23229  	for {
 23230  		s := auxIntToInt64(v.AuxInt)
 23231  		ptr := v_0
 23232  		mem := v_1
 23233  		if !(s%16 != 0 && s%16 > 8 && s > 16) {
 23234  			break
 23235  		}
 23236  		v.reset(OpZero)
 23237  		v.AuxInt = int64ToAuxInt(16)
 23238  		v0 := b.NewValue0(v.Pos, OpOffPtr, ptr.Type)
 23239  		v0.AuxInt = int64ToAuxInt(s - 16)
 23240  		v0.AddArg(ptr)
 23241  		v1 := b.NewValue0(v.Pos, OpZero, types.TypeMem)
 23242  		v1.AuxInt = int64ToAuxInt(s - s%16)
 23243  		v1.AddArg2(ptr, mem)
 23244  		v.AddArg2(v0, v1)
 23245  		return true
 23246  	}
 23247  	// match: (Zero [s] ptr mem)
 23248  	// cond: s%16 == 0 && s > 64 && s <= 16*64 && !config.noDuffDevice
 23249  	// result: (DUFFZERO [4 * (64 - s/16)] ptr mem)
 23250  	for {
 23251  		s := auxIntToInt64(v.AuxInt)
 23252  		ptr := v_0
 23253  		mem := v_1
 23254  		if !(s%16 == 0 && s > 64 && s <= 16*64 && !config.noDuffDevice) {
 23255  			break
 23256  		}
 23257  		v.reset(OpARM64DUFFZERO)
 23258  		v.AuxInt = int64ToAuxInt(4 * (64 - s/16))
 23259  		v.AddArg2(ptr, mem)
 23260  		return true
 23261  	}
 23262  	// match: (Zero [s] ptr mem)
 23263  	// cond: s%16 == 0 && (s > 16*64 || config.noDuffDevice)
 23264  	// result: (LoweredZero ptr (ADDconst <ptr.Type> [s-16] ptr) mem)
 23265  	for {
 23266  		s := auxIntToInt64(v.AuxInt)
 23267  		ptr := v_0
 23268  		mem := v_1
 23269  		if !(s%16 == 0 && (s > 16*64 || config.noDuffDevice)) {
 23270  			break
 23271  		}
 23272  		v.reset(OpARM64LoweredZero)
 23273  		v0 := b.NewValue0(v.Pos, OpARM64ADDconst, ptr.Type)
 23274  		v0.AuxInt = int64ToAuxInt(s - 16)
 23275  		v0.AddArg(ptr)
 23276  		v.AddArg3(ptr, v0, mem)
 23277  		return true
 23278  	}
 23279  	return false
 23280  }
 23281  func rewriteBlockARM64(b *Block) bool {
 23282  	typ := &b.Func.Config.Types
 23283  	switch b.Kind {
 23284  	case BlockARM64EQ:
 23285  		// match: (EQ (CMPconst [0] z:(AND x y)) yes no)
 23286  		// cond: z.Uses == 1
 23287  		// result: (EQ (TST x y) yes no)
 23288  		for b.Controls[0].Op == OpARM64CMPconst {
 23289  			v_0 := b.Controls[0]
 23290  			if auxIntToInt64(v_0.AuxInt) != 0 {
 23291  				break
 23292  			}
 23293  			z := v_0.Args[0]
 23294  			if z.Op != OpARM64AND {
 23295  				break
 23296  			}
 23297  			_ = z.Args[1]
 23298  			z_0 := z.Args[0]
 23299  			z_1 := z.Args[1]
 23300  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 23301  				x := z_0
 23302  				y := z_1
 23303  				if !(z.Uses == 1) {
 23304  					continue
 23305  				}
 23306  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 23307  				v0.AddArg2(x, y)
 23308  				b.resetWithControl(BlockARM64EQ, v0)
 23309  				return true
 23310  			}
 23311  			break
 23312  		}
 23313  		// match: (EQ (CMPconst [0] x:(ANDconst [c] y)) yes no)
 23314  		// cond: x.Uses == 1
 23315  		// result: (EQ (TSTconst [c] y) yes no)
 23316  		for b.Controls[0].Op == OpARM64CMPconst {
 23317  			v_0 := b.Controls[0]
 23318  			if auxIntToInt64(v_0.AuxInt) != 0 {
 23319  				break
 23320  			}
 23321  			x := v_0.Args[0]
 23322  			if x.Op != OpARM64ANDconst {
 23323  				break
 23324  			}
 23325  			c := auxIntToInt64(x.AuxInt)
 23326  			y := x.Args[0]
 23327  			if !(x.Uses == 1) {
 23328  				break
 23329  			}
 23330  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 23331  			v0.AuxInt = int64ToAuxInt(c)
 23332  			v0.AddArg(y)
 23333  			b.resetWithControl(BlockARM64EQ, v0)
 23334  			return true
 23335  		}
 23336  		// match: (EQ (CMPWconst [0] z:(AND x y)) yes no)
 23337  		// cond: z.Uses == 1
 23338  		// result: (EQ (TSTW x y) yes no)
 23339  		for b.Controls[0].Op == OpARM64CMPWconst {
 23340  			v_0 := b.Controls[0]
 23341  			if auxIntToInt32(v_0.AuxInt) != 0 {
 23342  				break
 23343  			}
 23344  			z := v_0.Args[0]
 23345  			if z.Op != OpARM64AND {
 23346  				break
 23347  			}
 23348  			_ = z.Args[1]
 23349  			z_0 := z.Args[0]
 23350  			z_1 := z.Args[1]
 23351  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 23352  				x := z_0
 23353  				y := z_1
 23354  				if !(z.Uses == 1) {
 23355  					continue
 23356  				}
 23357  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 23358  				v0.AddArg2(x, y)
 23359  				b.resetWithControl(BlockARM64EQ, v0)
 23360  				return true
 23361  			}
 23362  			break
 23363  		}
 23364  		// match: (EQ (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 23365  		// cond: x.Uses == 1
 23366  		// result: (EQ (TSTWconst [int32(c)] y) yes no)
 23367  		for b.Controls[0].Op == OpARM64CMPWconst {
 23368  			v_0 := b.Controls[0]
 23369  			if auxIntToInt32(v_0.AuxInt) != 0 {
 23370  				break
 23371  			}
 23372  			x := v_0.Args[0]
 23373  			if x.Op != OpARM64ANDconst {
 23374  				break
 23375  			}
 23376  			c := auxIntToInt64(x.AuxInt)
 23377  			y := x.Args[0]
 23378  			if !(x.Uses == 1) {
 23379  				break
 23380  			}
 23381  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 23382  			v0.AuxInt = int32ToAuxInt(int32(c))
 23383  			v0.AddArg(y)
 23384  			b.resetWithControl(BlockARM64EQ, v0)
 23385  			return true
 23386  		}
 23387  		// match: (EQ (CMPconst [0] x:(ADDconst [c] y)) yes no)
 23388  		// cond: x.Uses == 1
 23389  		// result: (EQ (CMNconst [c] y) yes no)
 23390  		for b.Controls[0].Op == OpARM64CMPconst {
 23391  			v_0 := b.Controls[0]
 23392  			if auxIntToInt64(v_0.AuxInt) != 0 {
 23393  				break
 23394  			}
 23395  			x := v_0.Args[0]
 23396  			if x.Op != OpARM64ADDconst {
 23397  				break
 23398  			}
 23399  			c := auxIntToInt64(x.AuxInt)
 23400  			y := x.Args[0]
 23401  			if !(x.Uses == 1) {
 23402  				break
 23403  			}
 23404  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 23405  			v0.AuxInt = int64ToAuxInt(c)
 23406  			v0.AddArg(y)
 23407  			b.resetWithControl(BlockARM64EQ, v0)
 23408  			return true
 23409  		}
 23410  		// match: (EQ (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 23411  		// cond: x.Uses == 1
 23412  		// result: (EQ (CMNWconst [int32(c)] y) yes no)
 23413  		for b.Controls[0].Op == OpARM64CMPWconst {
 23414  			v_0 := b.Controls[0]
 23415  			if auxIntToInt32(v_0.AuxInt) != 0 {
 23416  				break
 23417  			}
 23418  			x := v_0.Args[0]
 23419  			if x.Op != OpARM64ADDconst {
 23420  				break
 23421  			}
 23422  			c := auxIntToInt64(x.AuxInt)
 23423  			y := x.Args[0]
 23424  			if !(x.Uses == 1) {
 23425  				break
 23426  			}
 23427  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 23428  			v0.AuxInt = int32ToAuxInt(int32(c))
 23429  			v0.AddArg(y)
 23430  			b.resetWithControl(BlockARM64EQ, v0)
 23431  			return true
 23432  		}
 23433  		// match: (EQ (CMPconst [0] z:(ADD x y)) yes no)
 23434  		// cond: z.Uses == 1
 23435  		// result: (EQ (CMN x y) yes no)
 23436  		for b.Controls[0].Op == OpARM64CMPconst {
 23437  			v_0 := b.Controls[0]
 23438  			if auxIntToInt64(v_0.AuxInt) != 0 {
 23439  				break
 23440  			}
 23441  			z := v_0.Args[0]
 23442  			if z.Op != OpARM64ADD {
 23443  				break
 23444  			}
 23445  			_ = z.Args[1]
 23446  			z_0 := z.Args[0]
 23447  			z_1 := z.Args[1]
 23448  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 23449  				x := z_0
 23450  				y := z_1
 23451  				if !(z.Uses == 1) {
 23452  					continue
 23453  				}
 23454  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 23455  				v0.AddArg2(x, y)
 23456  				b.resetWithControl(BlockARM64EQ, v0)
 23457  				return true
 23458  			}
 23459  			break
 23460  		}
 23461  		// match: (EQ (CMPWconst [0] z:(ADD x y)) yes no)
 23462  		// cond: z.Uses == 1
 23463  		// result: (EQ (CMNW x y) yes no)
 23464  		for b.Controls[0].Op == OpARM64CMPWconst {
 23465  			v_0 := b.Controls[0]
 23466  			if auxIntToInt32(v_0.AuxInt) != 0 {
 23467  				break
 23468  			}
 23469  			z := v_0.Args[0]
 23470  			if z.Op != OpARM64ADD {
 23471  				break
 23472  			}
 23473  			_ = z.Args[1]
 23474  			z_0 := z.Args[0]
 23475  			z_1 := z.Args[1]
 23476  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 23477  				x := z_0
 23478  				y := z_1
 23479  				if !(z.Uses == 1) {
 23480  					continue
 23481  				}
 23482  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 23483  				v0.AddArg2(x, y)
 23484  				b.resetWithControl(BlockARM64EQ, v0)
 23485  				return true
 23486  			}
 23487  			break
 23488  		}
 23489  		// match: (EQ (CMP x z:(NEG y)) yes no)
 23490  		// cond: z.Uses == 1
 23491  		// result: (EQ (CMN x y) yes no)
 23492  		for b.Controls[0].Op == OpARM64CMP {
 23493  			v_0 := b.Controls[0]
 23494  			_ = v_0.Args[1]
 23495  			x := v_0.Args[0]
 23496  			z := v_0.Args[1]
 23497  			if z.Op != OpARM64NEG {
 23498  				break
 23499  			}
 23500  			y := z.Args[0]
 23501  			if !(z.Uses == 1) {
 23502  				break
 23503  			}
 23504  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 23505  			v0.AddArg2(x, y)
 23506  			b.resetWithControl(BlockARM64EQ, v0)
 23507  			return true
 23508  		}
 23509  		// match: (EQ (CMPW x z:(NEG y)) yes no)
 23510  		// cond: z.Uses == 1
 23511  		// result: (EQ (CMNW x y) yes no)
 23512  		for b.Controls[0].Op == OpARM64CMPW {
 23513  			v_0 := b.Controls[0]
 23514  			_ = v_0.Args[1]
 23515  			x := v_0.Args[0]
 23516  			z := v_0.Args[1]
 23517  			if z.Op != OpARM64NEG {
 23518  				break
 23519  			}
 23520  			y := z.Args[0]
 23521  			if !(z.Uses == 1) {
 23522  				break
 23523  			}
 23524  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 23525  			v0.AddArg2(x, y)
 23526  			b.resetWithControl(BlockARM64EQ, v0)
 23527  			return true
 23528  		}
 23529  		// match: (EQ (CMPconst [0] x) yes no)
 23530  		// result: (Z x yes no)
 23531  		for b.Controls[0].Op == OpARM64CMPconst {
 23532  			v_0 := b.Controls[0]
 23533  			if auxIntToInt64(v_0.AuxInt) != 0 {
 23534  				break
 23535  			}
 23536  			x := v_0.Args[0]
 23537  			b.resetWithControl(BlockARM64Z, x)
 23538  			return true
 23539  		}
 23540  		// match: (EQ (CMPWconst [0] x) yes no)
 23541  		// result: (ZW x yes no)
 23542  		for b.Controls[0].Op == OpARM64CMPWconst {
 23543  			v_0 := b.Controls[0]
 23544  			if auxIntToInt32(v_0.AuxInt) != 0 {
 23545  				break
 23546  			}
 23547  			x := v_0.Args[0]
 23548  			b.resetWithControl(BlockARM64ZW, x)
 23549  			return true
 23550  		}
 23551  		// match: (EQ (CMPconst [0] z:(MADD a x y)) yes no)
 23552  		// cond: z.Uses==1
 23553  		// result: (EQ (CMN a (MUL <x.Type> x y)) yes no)
 23554  		for b.Controls[0].Op == OpARM64CMPconst {
 23555  			v_0 := b.Controls[0]
 23556  			if auxIntToInt64(v_0.AuxInt) != 0 {
 23557  				break
 23558  			}
 23559  			z := v_0.Args[0]
 23560  			if z.Op != OpARM64MADD {
 23561  				break
 23562  			}
 23563  			y := z.Args[2]
 23564  			a := z.Args[0]
 23565  			x := z.Args[1]
 23566  			if !(z.Uses == 1) {
 23567  				break
 23568  			}
 23569  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 23570  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 23571  			v1.AddArg2(x, y)
 23572  			v0.AddArg2(a, v1)
 23573  			b.resetWithControl(BlockARM64EQ, v0)
 23574  			return true
 23575  		}
 23576  		// match: (EQ (CMPconst [0] z:(MSUB a x y)) yes no)
 23577  		// cond: z.Uses==1
 23578  		// result: (EQ (CMP a (MUL <x.Type> x y)) yes no)
 23579  		for b.Controls[0].Op == OpARM64CMPconst {
 23580  			v_0 := b.Controls[0]
 23581  			if auxIntToInt64(v_0.AuxInt) != 0 {
 23582  				break
 23583  			}
 23584  			z := v_0.Args[0]
 23585  			if z.Op != OpARM64MSUB {
 23586  				break
 23587  			}
 23588  			y := z.Args[2]
 23589  			a := z.Args[0]
 23590  			x := z.Args[1]
 23591  			if !(z.Uses == 1) {
 23592  				break
 23593  			}
 23594  			v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags)
 23595  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 23596  			v1.AddArg2(x, y)
 23597  			v0.AddArg2(a, v1)
 23598  			b.resetWithControl(BlockARM64EQ, v0)
 23599  			return true
 23600  		}
 23601  		// match: (EQ (CMPWconst [0] z:(MADDW a x y)) yes no)
 23602  		// cond: z.Uses==1
 23603  		// result: (EQ (CMNW a (MULW <x.Type> x y)) yes no)
 23604  		for b.Controls[0].Op == OpARM64CMPWconst {
 23605  			v_0 := b.Controls[0]
 23606  			if auxIntToInt32(v_0.AuxInt) != 0 {
 23607  				break
 23608  			}
 23609  			z := v_0.Args[0]
 23610  			if z.Op != OpARM64MADDW {
 23611  				break
 23612  			}
 23613  			y := z.Args[2]
 23614  			a := z.Args[0]
 23615  			x := z.Args[1]
 23616  			if !(z.Uses == 1) {
 23617  				break
 23618  			}
 23619  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 23620  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 23621  			v1.AddArg2(x, y)
 23622  			v0.AddArg2(a, v1)
 23623  			b.resetWithControl(BlockARM64EQ, v0)
 23624  			return true
 23625  		}
 23626  		// match: (EQ (CMPWconst [0] z:(MSUBW a x y)) yes no)
 23627  		// cond: z.Uses==1
 23628  		// result: (EQ (CMPW a (MULW <x.Type> x y)) yes no)
 23629  		for b.Controls[0].Op == OpARM64CMPWconst {
 23630  			v_0 := b.Controls[0]
 23631  			if auxIntToInt32(v_0.AuxInt) != 0 {
 23632  				break
 23633  			}
 23634  			z := v_0.Args[0]
 23635  			if z.Op != OpARM64MSUBW {
 23636  				break
 23637  			}
 23638  			y := z.Args[2]
 23639  			a := z.Args[0]
 23640  			x := z.Args[1]
 23641  			if !(z.Uses == 1) {
 23642  				break
 23643  			}
 23644  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags)
 23645  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 23646  			v1.AddArg2(x, y)
 23647  			v0.AddArg2(a, v1)
 23648  			b.resetWithControl(BlockARM64EQ, v0)
 23649  			return true
 23650  		}
 23651  		// match: (EQ (TSTconst [c] x) yes no)
 23652  		// cond: oneBit(c)
 23653  		// result: (TBZ [int64(ntz64(c))] x yes no)
 23654  		for b.Controls[0].Op == OpARM64TSTconst {
 23655  			v_0 := b.Controls[0]
 23656  			c := auxIntToInt64(v_0.AuxInt)
 23657  			x := v_0.Args[0]
 23658  			if !(oneBit(c)) {
 23659  				break
 23660  			}
 23661  			b.resetWithControl(BlockARM64TBZ, x)
 23662  			b.AuxInt = int64ToAuxInt(int64(ntz64(c)))
 23663  			return true
 23664  		}
 23665  		// match: (EQ (TSTWconst [c] x) yes no)
 23666  		// cond: oneBit(int64(uint32(c)))
 23667  		// result: (TBZ [int64(ntz64(int64(uint32(c))))] x yes no)
 23668  		for b.Controls[0].Op == OpARM64TSTWconst {
 23669  			v_0 := b.Controls[0]
 23670  			c := auxIntToInt32(v_0.AuxInt)
 23671  			x := v_0.Args[0]
 23672  			if !(oneBit(int64(uint32(c)))) {
 23673  				break
 23674  			}
 23675  			b.resetWithControl(BlockARM64TBZ, x)
 23676  			b.AuxInt = int64ToAuxInt(int64(ntz64(int64(uint32(c)))))
 23677  			return true
 23678  		}
 23679  		// match: (EQ (FlagConstant [fc]) yes no)
 23680  		// cond: fc.eq()
 23681  		// result: (First yes no)
 23682  		for b.Controls[0].Op == OpARM64FlagConstant {
 23683  			v_0 := b.Controls[0]
 23684  			fc := auxIntToFlagConstant(v_0.AuxInt)
 23685  			if !(fc.eq()) {
 23686  				break
 23687  			}
 23688  			b.Reset(BlockFirst)
 23689  			return true
 23690  		}
 23691  		// match: (EQ (FlagConstant [fc]) yes no)
 23692  		// cond: !fc.eq()
 23693  		// result: (First no yes)
 23694  		for b.Controls[0].Op == OpARM64FlagConstant {
 23695  			v_0 := b.Controls[0]
 23696  			fc := auxIntToFlagConstant(v_0.AuxInt)
 23697  			if !(!fc.eq()) {
 23698  				break
 23699  			}
 23700  			b.Reset(BlockFirst)
 23701  			b.swapSuccessors()
 23702  			return true
 23703  		}
 23704  		// match: (EQ (InvertFlags cmp) yes no)
 23705  		// result: (EQ cmp yes no)
 23706  		for b.Controls[0].Op == OpARM64InvertFlags {
 23707  			v_0 := b.Controls[0]
 23708  			cmp := v_0.Args[0]
 23709  			b.resetWithControl(BlockARM64EQ, cmp)
 23710  			return true
 23711  		}
 23712  	case BlockARM64FGE:
 23713  		// match: (FGE (InvertFlags cmp) yes no)
 23714  		// result: (FLE cmp yes no)
 23715  		for b.Controls[0].Op == OpARM64InvertFlags {
 23716  			v_0 := b.Controls[0]
 23717  			cmp := v_0.Args[0]
 23718  			b.resetWithControl(BlockARM64FLE, cmp)
 23719  			return true
 23720  		}
 23721  	case BlockARM64FGT:
 23722  		// match: (FGT (InvertFlags cmp) yes no)
 23723  		// result: (FLT cmp yes no)
 23724  		for b.Controls[0].Op == OpARM64InvertFlags {
 23725  			v_0 := b.Controls[0]
 23726  			cmp := v_0.Args[0]
 23727  			b.resetWithControl(BlockARM64FLT, cmp)
 23728  			return true
 23729  		}
 23730  	case BlockARM64FLE:
 23731  		// match: (FLE (InvertFlags cmp) yes no)
 23732  		// result: (FGE cmp yes no)
 23733  		for b.Controls[0].Op == OpARM64InvertFlags {
 23734  			v_0 := b.Controls[0]
 23735  			cmp := v_0.Args[0]
 23736  			b.resetWithControl(BlockARM64FGE, cmp)
 23737  			return true
 23738  		}
 23739  	case BlockARM64FLT:
 23740  		// match: (FLT (InvertFlags cmp) yes no)
 23741  		// result: (FGT cmp yes no)
 23742  		for b.Controls[0].Op == OpARM64InvertFlags {
 23743  			v_0 := b.Controls[0]
 23744  			cmp := v_0.Args[0]
 23745  			b.resetWithControl(BlockARM64FGT, cmp)
 23746  			return true
 23747  		}
 23748  	case BlockARM64GE:
 23749  		// match: (GE (CMPconst [0] z:(AND x y)) yes no)
 23750  		// cond: z.Uses == 1
 23751  		// result: (GE (TST x y) yes no)
 23752  		for b.Controls[0].Op == OpARM64CMPconst {
 23753  			v_0 := b.Controls[0]
 23754  			if auxIntToInt64(v_0.AuxInt) != 0 {
 23755  				break
 23756  			}
 23757  			z := v_0.Args[0]
 23758  			if z.Op != OpARM64AND {
 23759  				break
 23760  			}
 23761  			_ = z.Args[1]
 23762  			z_0 := z.Args[0]
 23763  			z_1 := z.Args[1]
 23764  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 23765  				x := z_0
 23766  				y := z_1
 23767  				if !(z.Uses == 1) {
 23768  					continue
 23769  				}
 23770  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 23771  				v0.AddArg2(x, y)
 23772  				b.resetWithControl(BlockARM64GE, v0)
 23773  				return true
 23774  			}
 23775  			break
 23776  		}
 23777  		// match: (GE (CMPconst [0] x:(ANDconst [c] y)) yes no)
 23778  		// cond: x.Uses == 1
 23779  		// result: (GE (TSTconst [c] y) yes no)
 23780  		for b.Controls[0].Op == OpARM64CMPconst {
 23781  			v_0 := b.Controls[0]
 23782  			if auxIntToInt64(v_0.AuxInt) != 0 {
 23783  				break
 23784  			}
 23785  			x := v_0.Args[0]
 23786  			if x.Op != OpARM64ANDconst {
 23787  				break
 23788  			}
 23789  			c := auxIntToInt64(x.AuxInt)
 23790  			y := x.Args[0]
 23791  			if !(x.Uses == 1) {
 23792  				break
 23793  			}
 23794  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 23795  			v0.AuxInt = int64ToAuxInt(c)
 23796  			v0.AddArg(y)
 23797  			b.resetWithControl(BlockARM64GE, v0)
 23798  			return true
 23799  		}
 23800  		// match: (GE (CMPWconst [0] z:(AND x y)) yes no)
 23801  		// cond: z.Uses == 1
 23802  		// result: (GE (TSTW x y) yes no)
 23803  		for b.Controls[0].Op == OpARM64CMPWconst {
 23804  			v_0 := b.Controls[0]
 23805  			if auxIntToInt32(v_0.AuxInt) != 0 {
 23806  				break
 23807  			}
 23808  			z := v_0.Args[0]
 23809  			if z.Op != OpARM64AND {
 23810  				break
 23811  			}
 23812  			_ = z.Args[1]
 23813  			z_0 := z.Args[0]
 23814  			z_1 := z.Args[1]
 23815  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 23816  				x := z_0
 23817  				y := z_1
 23818  				if !(z.Uses == 1) {
 23819  					continue
 23820  				}
 23821  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 23822  				v0.AddArg2(x, y)
 23823  				b.resetWithControl(BlockARM64GE, v0)
 23824  				return true
 23825  			}
 23826  			break
 23827  		}
 23828  		// match: (GE (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 23829  		// cond: x.Uses == 1
 23830  		// result: (GE (TSTWconst [int32(c)] y) yes no)
 23831  		for b.Controls[0].Op == OpARM64CMPWconst {
 23832  			v_0 := b.Controls[0]
 23833  			if auxIntToInt32(v_0.AuxInt) != 0 {
 23834  				break
 23835  			}
 23836  			x := v_0.Args[0]
 23837  			if x.Op != OpARM64ANDconst {
 23838  				break
 23839  			}
 23840  			c := auxIntToInt64(x.AuxInt)
 23841  			y := x.Args[0]
 23842  			if !(x.Uses == 1) {
 23843  				break
 23844  			}
 23845  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 23846  			v0.AuxInt = int32ToAuxInt(int32(c))
 23847  			v0.AddArg(y)
 23848  			b.resetWithControl(BlockARM64GE, v0)
 23849  			return true
 23850  		}
 23851  		// match: (GE (CMPconst [0] x:(ADDconst [c] y)) yes no)
 23852  		// cond: x.Uses == 1
 23853  		// result: (GEnoov (CMNconst [c] y) yes no)
 23854  		for b.Controls[0].Op == OpARM64CMPconst {
 23855  			v_0 := b.Controls[0]
 23856  			if auxIntToInt64(v_0.AuxInt) != 0 {
 23857  				break
 23858  			}
 23859  			x := v_0.Args[0]
 23860  			if x.Op != OpARM64ADDconst {
 23861  				break
 23862  			}
 23863  			c := auxIntToInt64(x.AuxInt)
 23864  			y := x.Args[0]
 23865  			if !(x.Uses == 1) {
 23866  				break
 23867  			}
 23868  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 23869  			v0.AuxInt = int64ToAuxInt(c)
 23870  			v0.AddArg(y)
 23871  			b.resetWithControl(BlockARM64GEnoov, v0)
 23872  			return true
 23873  		}
 23874  		// match: (GE (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 23875  		// cond: x.Uses == 1
 23876  		// result: (GEnoov (CMNWconst [int32(c)] y) yes no)
 23877  		for b.Controls[0].Op == OpARM64CMPWconst {
 23878  			v_0 := b.Controls[0]
 23879  			if auxIntToInt32(v_0.AuxInt) != 0 {
 23880  				break
 23881  			}
 23882  			x := v_0.Args[0]
 23883  			if x.Op != OpARM64ADDconst {
 23884  				break
 23885  			}
 23886  			c := auxIntToInt64(x.AuxInt)
 23887  			y := x.Args[0]
 23888  			if !(x.Uses == 1) {
 23889  				break
 23890  			}
 23891  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 23892  			v0.AuxInt = int32ToAuxInt(int32(c))
 23893  			v0.AddArg(y)
 23894  			b.resetWithControl(BlockARM64GEnoov, v0)
 23895  			return true
 23896  		}
 23897  		// match: (GE (CMPconst [0] z:(ADD x y)) yes no)
 23898  		// cond: z.Uses == 1
 23899  		// result: (GEnoov (CMN x y) yes no)
 23900  		for b.Controls[0].Op == OpARM64CMPconst {
 23901  			v_0 := b.Controls[0]
 23902  			if auxIntToInt64(v_0.AuxInt) != 0 {
 23903  				break
 23904  			}
 23905  			z := v_0.Args[0]
 23906  			if z.Op != OpARM64ADD {
 23907  				break
 23908  			}
 23909  			_ = z.Args[1]
 23910  			z_0 := z.Args[0]
 23911  			z_1 := z.Args[1]
 23912  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 23913  				x := z_0
 23914  				y := z_1
 23915  				if !(z.Uses == 1) {
 23916  					continue
 23917  				}
 23918  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 23919  				v0.AddArg2(x, y)
 23920  				b.resetWithControl(BlockARM64GEnoov, v0)
 23921  				return true
 23922  			}
 23923  			break
 23924  		}
 23925  		// match: (GE (CMPWconst [0] z:(ADD x y)) yes no)
 23926  		// cond: z.Uses == 1
 23927  		// result: (GEnoov (CMNW x y) yes no)
 23928  		for b.Controls[0].Op == OpARM64CMPWconst {
 23929  			v_0 := b.Controls[0]
 23930  			if auxIntToInt32(v_0.AuxInt) != 0 {
 23931  				break
 23932  			}
 23933  			z := v_0.Args[0]
 23934  			if z.Op != OpARM64ADD {
 23935  				break
 23936  			}
 23937  			_ = z.Args[1]
 23938  			z_0 := z.Args[0]
 23939  			z_1 := z.Args[1]
 23940  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 23941  				x := z_0
 23942  				y := z_1
 23943  				if !(z.Uses == 1) {
 23944  					continue
 23945  				}
 23946  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 23947  				v0.AddArg2(x, y)
 23948  				b.resetWithControl(BlockARM64GEnoov, v0)
 23949  				return true
 23950  			}
 23951  			break
 23952  		}
 23953  		// match: (GE (CMPconst [0] z:(MADD a x y)) yes no)
 23954  		// cond: z.Uses==1
 23955  		// result: (GEnoov (CMN a (MUL <x.Type> x y)) yes no)
 23956  		for b.Controls[0].Op == OpARM64CMPconst {
 23957  			v_0 := b.Controls[0]
 23958  			if auxIntToInt64(v_0.AuxInt) != 0 {
 23959  				break
 23960  			}
 23961  			z := v_0.Args[0]
 23962  			if z.Op != OpARM64MADD {
 23963  				break
 23964  			}
 23965  			y := z.Args[2]
 23966  			a := z.Args[0]
 23967  			x := z.Args[1]
 23968  			if !(z.Uses == 1) {
 23969  				break
 23970  			}
 23971  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 23972  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 23973  			v1.AddArg2(x, y)
 23974  			v0.AddArg2(a, v1)
 23975  			b.resetWithControl(BlockARM64GEnoov, v0)
 23976  			return true
 23977  		}
 23978  		// match: (GE (CMPconst [0] z:(MSUB a x y)) yes no)
 23979  		// cond: z.Uses==1
 23980  		// result: (GEnoov (CMP a (MUL <x.Type> x y)) yes no)
 23981  		for b.Controls[0].Op == OpARM64CMPconst {
 23982  			v_0 := b.Controls[0]
 23983  			if auxIntToInt64(v_0.AuxInt) != 0 {
 23984  				break
 23985  			}
 23986  			z := v_0.Args[0]
 23987  			if z.Op != OpARM64MSUB {
 23988  				break
 23989  			}
 23990  			y := z.Args[2]
 23991  			a := z.Args[0]
 23992  			x := z.Args[1]
 23993  			if !(z.Uses == 1) {
 23994  				break
 23995  			}
 23996  			v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags)
 23997  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 23998  			v1.AddArg2(x, y)
 23999  			v0.AddArg2(a, v1)
 24000  			b.resetWithControl(BlockARM64GEnoov, v0)
 24001  			return true
 24002  		}
 24003  		// match: (GE (CMPWconst [0] z:(MADDW a x y)) yes no)
 24004  		// cond: z.Uses==1
 24005  		// result: (GEnoov (CMNW a (MULW <x.Type> x y)) yes no)
 24006  		for b.Controls[0].Op == OpARM64CMPWconst {
 24007  			v_0 := b.Controls[0]
 24008  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24009  				break
 24010  			}
 24011  			z := v_0.Args[0]
 24012  			if z.Op != OpARM64MADDW {
 24013  				break
 24014  			}
 24015  			y := z.Args[2]
 24016  			a := z.Args[0]
 24017  			x := z.Args[1]
 24018  			if !(z.Uses == 1) {
 24019  				break
 24020  			}
 24021  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 24022  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 24023  			v1.AddArg2(x, y)
 24024  			v0.AddArg2(a, v1)
 24025  			b.resetWithControl(BlockARM64GEnoov, v0)
 24026  			return true
 24027  		}
 24028  		// match: (GE (CMPWconst [0] z:(MSUBW a x y)) yes no)
 24029  		// cond: z.Uses==1
 24030  		// result: (GEnoov (CMPW a (MULW <x.Type> x y)) yes no)
 24031  		for b.Controls[0].Op == OpARM64CMPWconst {
 24032  			v_0 := b.Controls[0]
 24033  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24034  				break
 24035  			}
 24036  			z := v_0.Args[0]
 24037  			if z.Op != OpARM64MSUBW {
 24038  				break
 24039  			}
 24040  			y := z.Args[2]
 24041  			a := z.Args[0]
 24042  			x := z.Args[1]
 24043  			if !(z.Uses == 1) {
 24044  				break
 24045  			}
 24046  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags)
 24047  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 24048  			v1.AddArg2(x, y)
 24049  			v0.AddArg2(a, v1)
 24050  			b.resetWithControl(BlockARM64GEnoov, v0)
 24051  			return true
 24052  		}
 24053  		// match: (GE (CMPWconst [0] x) yes no)
 24054  		// result: (TBZ [31] x yes no)
 24055  		for b.Controls[0].Op == OpARM64CMPWconst {
 24056  			v_0 := b.Controls[0]
 24057  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24058  				break
 24059  			}
 24060  			x := v_0.Args[0]
 24061  			b.resetWithControl(BlockARM64TBZ, x)
 24062  			b.AuxInt = int64ToAuxInt(31)
 24063  			return true
 24064  		}
 24065  		// match: (GE (CMPconst [0] x) yes no)
 24066  		// result: (TBZ [63] x yes no)
 24067  		for b.Controls[0].Op == OpARM64CMPconst {
 24068  			v_0 := b.Controls[0]
 24069  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24070  				break
 24071  			}
 24072  			x := v_0.Args[0]
 24073  			b.resetWithControl(BlockARM64TBZ, x)
 24074  			b.AuxInt = int64ToAuxInt(63)
 24075  			return true
 24076  		}
 24077  		// match: (GE (FlagConstant [fc]) yes no)
 24078  		// cond: fc.ge()
 24079  		// result: (First yes no)
 24080  		for b.Controls[0].Op == OpARM64FlagConstant {
 24081  			v_0 := b.Controls[0]
 24082  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24083  			if !(fc.ge()) {
 24084  				break
 24085  			}
 24086  			b.Reset(BlockFirst)
 24087  			return true
 24088  		}
 24089  		// match: (GE (FlagConstant [fc]) yes no)
 24090  		// cond: !fc.ge()
 24091  		// result: (First no yes)
 24092  		for b.Controls[0].Op == OpARM64FlagConstant {
 24093  			v_0 := b.Controls[0]
 24094  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24095  			if !(!fc.ge()) {
 24096  				break
 24097  			}
 24098  			b.Reset(BlockFirst)
 24099  			b.swapSuccessors()
 24100  			return true
 24101  		}
 24102  		// match: (GE (InvertFlags cmp) yes no)
 24103  		// result: (LE cmp yes no)
 24104  		for b.Controls[0].Op == OpARM64InvertFlags {
 24105  			v_0 := b.Controls[0]
 24106  			cmp := v_0.Args[0]
 24107  			b.resetWithControl(BlockARM64LE, cmp)
 24108  			return true
 24109  		}
 24110  	case BlockARM64GEnoov:
 24111  		// match: (GEnoov (FlagConstant [fc]) yes no)
 24112  		// cond: fc.geNoov()
 24113  		// result: (First yes no)
 24114  		for b.Controls[0].Op == OpARM64FlagConstant {
 24115  			v_0 := b.Controls[0]
 24116  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24117  			if !(fc.geNoov()) {
 24118  				break
 24119  			}
 24120  			b.Reset(BlockFirst)
 24121  			return true
 24122  		}
 24123  		// match: (GEnoov (FlagConstant [fc]) yes no)
 24124  		// cond: !fc.geNoov()
 24125  		// result: (First no yes)
 24126  		for b.Controls[0].Op == OpARM64FlagConstant {
 24127  			v_0 := b.Controls[0]
 24128  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24129  			if !(!fc.geNoov()) {
 24130  				break
 24131  			}
 24132  			b.Reset(BlockFirst)
 24133  			b.swapSuccessors()
 24134  			return true
 24135  		}
 24136  		// match: (GEnoov (InvertFlags cmp) yes no)
 24137  		// result: (LEnoov cmp yes no)
 24138  		for b.Controls[0].Op == OpARM64InvertFlags {
 24139  			v_0 := b.Controls[0]
 24140  			cmp := v_0.Args[0]
 24141  			b.resetWithControl(BlockARM64LEnoov, cmp)
 24142  			return true
 24143  		}
 24144  	case BlockARM64GT:
 24145  		// match: (GT (CMPconst [0] z:(AND x y)) yes no)
 24146  		// cond: z.Uses == 1
 24147  		// result: (GT (TST x y) yes no)
 24148  		for b.Controls[0].Op == OpARM64CMPconst {
 24149  			v_0 := b.Controls[0]
 24150  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24151  				break
 24152  			}
 24153  			z := v_0.Args[0]
 24154  			if z.Op != OpARM64AND {
 24155  				break
 24156  			}
 24157  			_ = z.Args[1]
 24158  			z_0 := z.Args[0]
 24159  			z_1 := z.Args[1]
 24160  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24161  				x := z_0
 24162  				y := z_1
 24163  				if !(z.Uses == 1) {
 24164  					continue
 24165  				}
 24166  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 24167  				v0.AddArg2(x, y)
 24168  				b.resetWithControl(BlockARM64GT, v0)
 24169  				return true
 24170  			}
 24171  			break
 24172  		}
 24173  		// match: (GT (CMPconst [0] x:(ANDconst [c] y)) yes no)
 24174  		// cond: x.Uses == 1
 24175  		// result: (GT (TSTconst [c] y) yes no)
 24176  		for b.Controls[0].Op == OpARM64CMPconst {
 24177  			v_0 := b.Controls[0]
 24178  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24179  				break
 24180  			}
 24181  			x := v_0.Args[0]
 24182  			if x.Op != OpARM64ANDconst {
 24183  				break
 24184  			}
 24185  			c := auxIntToInt64(x.AuxInt)
 24186  			y := x.Args[0]
 24187  			if !(x.Uses == 1) {
 24188  				break
 24189  			}
 24190  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 24191  			v0.AuxInt = int64ToAuxInt(c)
 24192  			v0.AddArg(y)
 24193  			b.resetWithControl(BlockARM64GT, v0)
 24194  			return true
 24195  		}
 24196  		// match: (GT (CMPWconst [0] z:(AND x y)) yes no)
 24197  		// cond: z.Uses == 1
 24198  		// result: (GT (TSTW x y) yes no)
 24199  		for b.Controls[0].Op == OpARM64CMPWconst {
 24200  			v_0 := b.Controls[0]
 24201  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24202  				break
 24203  			}
 24204  			z := v_0.Args[0]
 24205  			if z.Op != OpARM64AND {
 24206  				break
 24207  			}
 24208  			_ = z.Args[1]
 24209  			z_0 := z.Args[0]
 24210  			z_1 := z.Args[1]
 24211  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24212  				x := z_0
 24213  				y := z_1
 24214  				if !(z.Uses == 1) {
 24215  					continue
 24216  				}
 24217  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 24218  				v0.AddArg2(x, y)
 24219  				b.resetWithControl(BlockARM64GT, v0)
 24220  				return true
 24221  			}
 24222  			break
 24223  		}
 24224  		// match: (GT (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 24225  		// cond: x.Uses == 1
 24226  		// result: (GT (TSTWconst [int32(c)] y) yes no)
 24227  		for b.Controls[0].Op == OpARM64CMPWconst {
 24228  			v_0 := b.Controls[0]
 24229  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24230  				break
 24231  			}
 24232  			x := v_0.Args[0]
 24233  			if x.Op != OpARM64ANDconst {
 24234  				break
 24235  			}
 24236  			c := auxIntToInt64(x.AuxInt)
 24237  			y := x.Args[0]
 24238  			if !(x.Uses == 1) {
 24239  				break
 24240  			}
 24241  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 24242  			v0.AuxInt = int32ToAuxInt(int32(c))
 24243  			v0.AddArg(y)
 24244  			b.resetWithControl(BlockARM64GT, v0)
 24245  			return true
 24246  		}
 24247  		// match: (GT (CMPconst [0] x:(ADDconst [c] y)) yes no)
 24248  		// cond: x.Uses == 1
 24249  		// result: (GTnoov (CMNconst [c] y) yes no)
 24250  		for b.Controls[0].Op == OpARM64CMPconst {
 24251  			v_0 := b.Controls[0]
 24252  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24253  				break
 24254  			}
 24255  			x := v_0.Args[0]
 24256  			if x.Op != OpARM64ADDconst {
 24257  				break
 24258  			}
 24259  			c := auxIntToInt64(x.AuxInt)
 24260  			y := x.Args[0]
 24261  			if !(x.Uses == 1) {
 24262  				break
 24263  			}
 24264  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 24265  			v0.AuxInt = int64ToAuxInt(c)
 24266  			v0.AddArg(y)
 24267  			b.resetWithControl(BlockARM64GTnoov, v0)
 24268  			return true
 24269  		}
 24270  		// match: (GT (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 24271  		// cond: x.Uses == 1
 24272  		// result: (GTnoov (CMNWconst [int32(c)] y) yes no)
 24273  		for b.Controls[0].Op == OpARM64CMPWconst {
 24274  			v_0 := b.Controls[0]
 24275  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24276  				break
 24277  			}
 24278  			x := v_0.Args[0]
 24279  			if x.Op != OpARM64ADDconst {
 24280  				break
 24281  			}
 24282  			c := auxIntToInt64(x.AuxInt)
 24283  			y := x.Args[0]
 24284  			if !(x.Uses == 1) {
 24285  				break
 24286  			}
 24287  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 24288  			v0.AuxInt = int32ToAuxInt(int32(c))
 24289  			v0.AddArg(y)
 24290  			b.resetWithControl(BlockARM64GTnoov, v0)
 24291  			return true
 24292  		}
 24293  		// match: (GT (CMPconst [0] z:(ADD x y)) yes no)
 24294  		// cond: z.Uses == 1
 24295  		// result: (GTnoov (CMN x y) yes no)
 24296  		for b.Controls[0].Op == OpARM64CMPconst {
 24297  			v_0 := b.Controls[0]
 24298  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24299  				break
 24300  			}
 24301  			z := v_0.Args[0]
 24302  			if z.Op != OpARM64ADD {
 24303  				break
 24304  			}
 24305  			_ = z.Args[1]
 24306  			z_0 := z.Args[0]
 24307  			z_1 := z.Args[1]
 24308  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24309  				x := z_0
 24310  				y := z_1
 24311  				if !(z.Uses == 1) {
 24312  					continue
 24313  				}
 24314  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 24315  				v0.AddArg2(x, y)
 24316  				b.resetWithControl(BlockARM64GTnoov, v0)
 24317  				return true
 24318  			}
 24319  			break
 24320  		}
 24321  		// match: (GT (CMPWconst [0] z:(ADD x y)) yes no)
 24322  		// cond: z.Uses == 1
 24323  		// result: (GTnoov (CMNW x y) yes no)
 24324  		for b.Controls[0].Op == OpARM64CMPWconst {
 24325  			v_0 := b.Controls[0]
 24326  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24327  				break
 24328  			}
 24329  			z := v_0.Args[0]
 24330  			if z.Op != OpARM64ADD {
 24331  				break
 24332  			}
 24333  			_ = z.Args[1]
 24334  			z_0 := z.Args[0]
 24335  			z_1 := z.Args[1]
 24336  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24337  				x := z_0
 24338  				y := z_1
 24339  				if !(z.Uses == 1) {
 24340  					continue
 24341  				}
 24342  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 24343  				v0.AddArg2(x, y)
 24344  				b.resetWithControl(BlockARM64GTnoov, v0)
 24345  				return true
 24346  			}
 24347  			break
 24348  		}
 24349  		// match: (GT (CMPconst [0] z:(MADD a x y)) yes no)
 24350  		// cond: z.Uses==1
 24351  		// result: (GTnoov (CMN a (MUL <x.Type> x y)) yes no)
 24352  		for b.Controls[0].Op == OpARM64CMPconst {
 24353  			v_0 := b.Controls[0]
 24354  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24355  				break
 24356  			}
 24357  			z := v_0.Args[0]
 24358  			if z.Op != OpARM64MADD {
 24359  				break
 24360  			}
 24361  			y := z.Args[2]
 24362  			a := z.Args[0]
 24363  			x := z.Args[1]
 24364  			if !(z.Uses == 1) {
 24365  				break
 24366  			}
 24367  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 24368  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 24369  			v1.AddArg2(x, y)
 24370  			v0.AddArg2(a, v1)
 24371  			b.resetWithControl(BlockARM64GTnoov, v0)
 24372  			return true
 24373  		}
 24374  		// match: (GT (CMPconst [0] z:(MSUB a x y)) yes no)
 24375  		// cond: z.Uses==1
 24376  		// result: (GTnoov (CMP a (MUL <x.Type> x y)) yes no)
 24377  		for b.Controls[0].Op == OpARM64CMPconst {
 24378  			v_0 := b.Controls[0]
 24379  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24380  				break
 24381  			}
 24382  			z := v_0.Args[0]
 24383  			if z.Op != OpARM64MSUB {
 24384  				break
 24385  			}
 24386  			y := z.Args[2]
 24387  			a := z.Args[0]
 24388  			x := z.Args[1]
 24389  			if !(z.Uses == 1) {
 24390  				break
 24391  			}
 24392  			v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags)
 24393  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 24394  			v1.AddArg2(x, y)
 24395  			v0.AddArg2(a, v1)
 24396  			b.resetWithControl(BlockARM64GTnoov, v0)
 24397  			return true
 24398  		}
 24399  		// match: (GT (CMPWconst [0] z:(MADDW a x y)) yes no)
 24400  		// cond: z.Uses==1
 24401  		// result: (GTnoov (CMNW a (MULW <x.Type> x y)) yes no)
 24402  		for b.Controls[0].Op == OpARM64CMPWconst {
 24403  			v_0 := b.Controls[0]
 24404  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24405  				break
 24406  			}
 24407  			z := v_0.Args[0]
 24408  			if z.Op != OpARM64MADDW {
 24409  				break
 24410  			}
 24411  			y := z.Args[2]
 24412  			a := z.Args[0]
 24413  			x := z.Args[1]
 24414  			if !(z.Uses == 1) {
 24415  				break
 24416  			}
 24417  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 24418  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 24419  			v1.AddArg2(x, y)
 24420  			v0.AddArg2(a, v1)
 24421  			b.resetWithControl(BlockARM64GTnoov, v0)
 24422  			return true
 24423  		}
 24424  		// match: (GT (CMPWconst [0] z:(MSUBW a x y)) yes no)
 24425  		// cond: z.Uses==1
 24426  		// result: (GTnoov (CMPW a (MULW <x.Type> x y)) yes no)
 24427  		for b.Controls[0].Op == OpARM64CMPWconst {
 24428  			v_0 := b.Controls[0]
 24429  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24430  				break
 24431  			}
 24432  			z := v_0.Args[0]
 24433  			if z.Op != OpARM64MSUBW {
 24434  				break
 24435  			}
 24436  			y := z.Args[2]
 24437  			a := z.Args[0]
 24438  			x := z.Args[1]
 24439  			if !(z.Uses == 1) {
 24440  				break
 24441  			}
 24442  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags)
 24443  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 24444  			v1.AddArg2(x, y)
 24445  			v0.AddArg2(a, v1)
 24446  			b.resetWithControl(BlockARM64GTnoov, v0)
 24447  			return true
 24448  		}
 24449  		// match: (GT (FlagConstant [fc]) yes no)
 24450  		// cond: fc.gt()
 24451  		// result: (First yes no)
 24452  		for b.Controls[0].Op == OpARM64FlagConstant {
 24453  			v_0 := b.Controls[0]
 24454  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24455  			if !(fc.gt()) {
 24456  				break
 24457  			}
 24458  			b.Reset(BlockFirst)
 24459  			return true
 24460  		}
 24461  		// match: (GT (FlagConstant [fc]) yes no)
 24462  		// cond: !fc.gt()
 24463  		// result: (First no yes)
 24464  		for b.Controls[0].Op == OpARM64FlagConstant {
 24465  			v_0 := b.Controls[0]
 24466  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24467  			if !(!fc.gt()) {
 24468  				break
 24469  			}
 24470  			b.Reset(BlockFirst)
 24471  			b.swapSuccessors()
 24472  			return true
 24473  		}
 24474  		// match: (GT (InvertFlags cmp) yes no)
 24475  		// result: (LT cmp yes no)
 24476  		for b.Controls[0].Op == OpARM64InvertFlags {
 24477  			v_0 := b.Controls[0]
 24478  			cmp := v_0.Args[0]
 24479  			b.resetWithControl(BlockARM64LT, cmp)
 24480  			return true
 24481  		}
 24482  	case BlockARM64GTnoov:
 24483  		// match: (GTnoov (FlagConstant [fc]) yes no)
 24484  		// cond: fc.gtNoov()
 24485  		// result: (First yes no)
 24486  		for b.Controls[0].Op == OpARM64FlagConstant {
 24487  			v_0 := b.Controls[0]
 24488  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24489  			if !(fc.gtNoov()) {
 24490  				break
 24491  			}
 24492  			b.Reset(BlockFirst)
 24493  			return true
 24494  		}
 24495  		// match: (GTnoov (FlagConstant [fc]) yes no)
 24496  		// cond: !fc.gtNoov()
 24497  		// result: (First no yes)
 24498  		for b.Controls[0].Op == OpARM64FlagConstant {
 24499  			v_0 := b.Controls[0]
 24500  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24501  			if !(!fc.gtNoov()) {
 24502  				break
 24503  			}
 24504  			b.Reset(BlockFirst)
 24505  			b.swapSuccessors()
 24506  			return true
 24507  		}
 24508  		// match: (GTnoov (InvertFlags cmp) yes no)
 24509  		// result: (LTnoov cmp yes no)
 24510  		for b.Controls[0].Op == OpARM64InvertFlags {
 24511  			v_0 := b.Controls[0]
 24512  			cmp := v_0.Args[0]
 24513  			b.resetWithControl(BlockARM64LTnoov, cmp)
 24514  			return true
 24515  		}
 24516  	case BlockIf:
 24517  		// match: (If (Equal cc) yes no)
 24518  		// result: (EQ cc yes no)
 24519  		for b.Controls[0].Op == OpARM64Equal {
 24520  			v_0 := b.Controls[0]
 24521  			cc := v_0.Args[0]
 24522  			b.resetWithControl(BlockARM64EQ, cc)
 24523  			return true
 24524  		}
 24525  		// match: (If (NotEqual cc) yes no)
 24526  		// result: (NE cc yes no)
 24527  		for b.Controls[0].Op == OpARM64NotEqual {
 24528  			v_0 := b.Controls[0]
 24529  			cc := v_0.Args[0]
 24530  			b.resetWithControl(BlockARM64NE, cc)
 24531  			return true
 24532  		}
 24533  		// match: (If (LessThan cc) yes no)
 24534  		// result: (LT cc yes no)
 24535  		for b.Controls[0].Op == OpARM64LessThan {
 24536  			v_0 := b.Controls[0]
 24537  			cc := v_0.Args[0]
 24538  			b.resetWithControl(BlockARM64LT, cc)
 24539  			return true
 24540  		}
 24541  		// match: (If (LessThanU cc) yes no)
 24542  		// result: (ULT cc yes no)
 24543  		for b.Controls[0].Op == OpARM64LessThanU {
 24544  			v_0 := b.Controls[0]
 24545  			cc := v_0.Args[0]
 24546  			b.resetWithControl(BlockARM64ULT, cc)
 24547  			return true
 24548  		}
 24549  		// match: (If (LessEqual cc) yes no)
 24550  		// result: (LE cc yes no)
 24551  		for b.Controls[0].Op == OpARM64LessEqual {
 24552  			v_0 := b.Controls[0]
 24553  			cc := v_0.Args[0]
 24554  			b.resetWithControl(BlockARM64LE, cc)
 24555  			return true
 24556  		}
 24557  		// match: (If (LessEqualU cc) yes no)
 24558  		// result: (ULE cc yes no)
 24559  		for b.Controls[0].Op == OpARM64LessEqualU {
 24560  			v_0 := b.Controls[0]
 24561  			cc := v_0.Args[0]
 24562  			b.resetWithControl(BlockARM64ULE, cc)
 24563  			return true
 24564  		}
 24565  		// match: (If (GreaterThan cc) yes no)
 24566  		// result: (GT cc yes no)
 24567  		for b.Controls[0].Op == OpARM64GreaterThan {
 24568  			v_0 := b.Controls[0]
 24569  			cc := v_0.Args[0]
 24570  			b.resetWithControl(BlockARM64GT, cc)
 24571  			return true
 24572  		}
 24573  		// match: (If (GreaterThanU cc) yes no)
 24574  		// result: (UGT cc yes no)
 24575  		for b.Controls[0].Op == OpARM64GreaterThanU {
 24576  			v_0 := b.Controls[0]
 24577  			cc := v_0.Args[0]
 24578  			b.resetWithControl(BlockARM64UGT, cc)
 24579  			return true
 24580  		}
 24581  		// match: (If (GreaterEqual cc) yes no)
 24582  		// result: (GE cc yes no)
 24583  		for b.Controls[0].Op == OpARM64GreaterEqual {
 24584  			v_0 := b.Controls[0]
 24585  			cc := v_0.Args[0]
 24586  			b.resetWithControl(BlockARM64GE, cc)
 24587  			return true
 24588  		}
 24589  		// match: (If (GreaterEqualU cc) yes no)
 24590  		// result: (UGE cc yes no)
 24591  		for b.Controls[0].Op == OpARM64GreaterEqualU {
 24592  			v_0 := b.Controls[0]
 24593  			cc := v_0.Args[0]
 24594  			b.resetWithControl(BlockARM64UGE, cc)
 24595  			return true
 24596  		}
 24597  		// match: (If (LessThanF cc) yes no)
 24598  		// result: (FLT cc yes no)
 24599  		for b.Controls[0].Op == OpARM64LessThanF {
 24600  			v_0 := b.Controls[0]
 24601  			cc := v_0.Args[0]
 24602  			b.resetWithControl(BlockARM64FLT, cc)
 24603  			return true
 24604  		}
 24605  		// match: (If (LessEqualF cc) yes no)
 24606  		// result: (FLE cc yes no)
 24607  		for b.Controls[0].Op == OpARM64LessEqualF {
 24608  			v_0 := b.Controls[0]
 24609  			cc := v_0.Args[0]
 24610  			b.resetWithControl(BlockARM64FLE, cc)
 24611  			return true
 24612  		}
 24613  		// match: (If (GreaterThanF cc) yes no)
 24614  		// result: (FGT cc yes no)
 24615  		for b.Controls[0].Op == OpARM64GreaterThanF {
 24616  			v_0 := b.Controls[0]
 24617  			cc := v_0.Args[0]
 24618  			b.resetWithControl(BlockARM64FGT, cc)
 24619  			return true
 24620  		}
 24621  		// match: (If (GreaterEqualF cc) yes no)
 24622  		// result: (FGE cc yes no)
 24623  		for b.Controls[0].Op == OpARM64GreaterEqualF {
 24624  			v_0 := b.Controls[0]
 24625  			cc := v_0.Args[0]
 24626  			b.resetWithControl(BlockARM64FGE, cc)
 24627  			return true
 24628  		}
 24629  		// match: (If cond yes no)
 24630  		// result: (TBNZ [0] cond yes no)
 24631  		for {
 24632  			cond := b.Controls[0]
 24633  			b.resetWithControl(BlockARM64TBNZ, cond)
 24634  			b.AuxInt = int64ToAuxInt(0)
 24635  			return true
 24636  		}
 24637  	case BlockJumpTable:
 24638  		// match: (JumpTable idx)
 24639  		// result: (JUMPTABLE {makeJumpTableSym(b)} idx (MOVDaddr <typ.Uintptr> {makeJumpTableSym(b)} (SB)))
 24640  		for {
 24641  			idx := b.Controls[0]
 24642  			v0 := b.NewValue0(b.Pos, OpARM64MOVDaddr, typ.Uintptr)
 24643  			v0.Aux = symToAux(makeJumpTableSym(b))
 24644  			v1 := b.NewValue0(b.Pos, OpSB, typ.Uintptr)
 24645  			v0.AddArg(v1)
 24646  			b.resetWithControl2(BlockARM64JUMPTABLE, idx, v0)
 24647  			b.Aux = symToAux(makeJumpTableSym(b))
 24648  			return true
 24649  		}
 24650  	case BlockARM64LE:
 24651  		// match: (LE (CMPconst [0] z:(AND x y)) yes no)
 24652  		// cond: z.Uses == 1
 24653  		// result: (LE (TST x y) yes no)
 24654  		for b.Controls[0].Op == OpARM64CMPconst {
 24655  			v_0 := b.Controls[0]
 24656  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24657  				break
 24658  			}
 24659  			z := v_0.Args[0]
 24660  			if z.Op != OpARM64AND {
 24661  				break
 24662  			}
 24663  			_ = z.Args[1]
 24664  			z_0 := z.Args[0]
 24665  			z_1 := z.Args[1]
 24666  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24667  				x := z_0
 24668  				y := z_1
 24669  				if !(z.Uses == 1) {
 24670  					continue
 24671  				}
 24672  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 24673  				v0.AddArg2(x, y)
 24674  				b.resetWithControl(BlockARM64LE, v0)
 24675  				return true
 24676  			}
 24677  			break
 24678  		}
 24679  		// match: (LE (CMPconst [0] x:(ANDconst [c] y)) yes no)
 24680  		// cond: x.Uses == 1
 24681  		// result: (LE (TSTconst [c] y) yes no)
 24682  		for b.Controls[0].Op == OpARM64CMPconst {
 24683  			v_0 := b.Controls[0]
 24684  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24685  				break
 24686  			}
 24687  			x := v_0.Args[0]
 24688  			if x.Op != OpARM64ANDconst {
 24689  				break
 24690  			}
 24691  			c := auxIntToInt64(x.AuxInt)
 24692  			y := x.Args[0]
 24693  			if !(x.Uses == 1) {
 24694  				break
 24695  			}
 24696  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 24697  			v0.AuxInt = int64ToAuxInt(c)
 24698  			v0.AddArg(y)
 24699  			b.resetWithControl(BlockARM64LE, v0)
 24700  			return true
 24701  		}
 24702  		// match: (LE (CMPWconst [0] z:(AND x y)) yes no)
 24703  		// cond: z.Uses == 1
 24704  		// result: (LE (TSTW x y) yes no)
 24705  		for b.Controls[0].Op == OpARM64CMPWconst {
 24706  			v_0 := b.Controls[0]
 24707  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24708  				break
 24709  			}
 24710  			z := v_0.Args[0]
 24711  			if z.Op != OpARM64AND {
 24712  				break
 24713  			}
 24714  			_ = z.Args[1]
 24715  			z_0 := z.Args[0]
 24716  			z_1 := z.Args[1]
 24717  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24718  				x := z_0
 24719  				y := z_1
 24720  				if !(z.Uses == 1) {
 24721  					continue
 24722  				}
 24723  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 24724  				v0.AddArg2(x, y)
 24725  				b.resetWithControl(BlockARM64LE, v0)
 24726  				return true
 24727  			}
 24728  			break
 24729  		}
 24730  		// match: (LE (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 24731  		// cond: x.Uses == 1
 24732  		// result: (LE (TSTWconst [int32(c)] y) yes no)
 24733  		for b.Controls[0].Op == OpARM64CMPWconst {
 24734  			v_0 := b.Controls[0]
 24735  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24736  				break
 24737  			}
 24738  			x := v_0.Args[0]
 24739  			if x.Op != OpARM64ANDconst {
 24740  				break
 24741  			}
 24742  			c := auxIntToInt64(x.AuxInt)
 24743  			y := x.Args[0]
 24744  			if !(x.Uses == 1) {
 24745  				break
 24746  			}
 24747  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 24748  			v0.AuxInt = int32ToAuxInt(int32(c))
 24749  			v0.AddArg(y)
 24750  			b.resetWithControl(BlockARM64LE, v0)
 24751  			return true
 24752  		}
 24753  		// match: (LE (CMPconst [0] x:(ADDconst [c] y)) yes no)
 24754  		// cond: x.Uses == 1
 24755  		// result: (LEnoov (CMNconst [c] y) yes no)
 24756  		for b.Controls[0].Op == OpARM64CMPconst {
 24757  			v_0 := b.Controls[0]
 24758  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24759  				break
 24760  			}
 24761  			x := v_0.Args[0]
 24762  			if x.Op != OpARM64ADDconst {
 24763  				break
 24764  			}
 24765  			c := auxIntToInt64(x.AuxInt)
 24766  			y := x.Args[0]
 24767  			if !(x.Uses == 1) {
 24768  				break
 24769  			}
 24770  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 24771  			v0.AuxInt = int64ToAuxInt(c)
 24772  			v0.AddArg(y)
 24773  			b.resetWithControl(BlockARM64LEnoov, v0)
 24774  			return true
 24775  		}
 24776  		// match: (LE (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 24777  		// cond: x.Uses == 1
 24778  		// result: (LEnoov (CMNWconst [int32(c)] y) yes no)
 24779  		for b.Controls[0].Op == OpARM64CMPWconst {
 24780  			v_0 := b.Controls[0]
 24781  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24782  				break
 24783  			}
 24784  			x := v_0.Args[0]
 24785  			if x.Op != OpARM64ADDconst {
 24786  				break
 24787  			}
 24788  			c := auxIntToInt64(x.AuxInt)
 24789  			y := x.Args[0]
 24790  			if !(x.Uses == 1) {
 24791  				break
 24792  			}
 24793  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 24794  			v0.AuxInt = int32ToAuxInt(int32(c))
 24795  			v0.AddArg(y)
 24796  			b.resetWithControl(BlockARM64LEnoov, v0)
 24797  			return true
 24798  		}
 24799  		// match: (LE (CMPconst [0] z:(ADD x y)) yes no)
 24800  		// cond: z.Uses == 1
 24801  		// result: (LEnoov (CMN x y) yes no)
 24802  		for b.Controls[0].Op == OpARM64CMPconst {
 24803  			v_0 := b.Controls[0]
 24804  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24805  				break
 24806  			}
 24807  			z := v_0.Args[0]
 24808  			if z.Op != OpARM64ADD {
 24809  				break
 24810  			}
 24811  			_ = z.Args[1]
 24812  			z_0 := z.Args[0]
 24813  			z_1 := z.Args[1]
 24814  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24815  				x := z_0
 24816  				y := z_1
 24817  				if !(z.Uses == 1) {
 24818  					continue
 24819  				}
 24820  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 24821  				v0.AddArg2(x, y)
 24822  				b.resetWithControl(BlockARM64LEnoov, v0)
 24823  				return true
 24824  			}
 24825  			break
 24826  		}
 24827  		// match: (LE (CMPWconst [0] z:(ADD x y)) yes no)
 24828  		// cond: z.Uses == 1
 24829  		// result: (LEnoov (CMNW x y) yes no)
 24830  		for b.Controls[0].Op == OpARM64CMPWconst {
 24831  			v_0 := b.Controls[0]
 24832  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24833  				break
 24834  			}
 24835  			z := v_0.Args[0]
 24836  			if z.Op != OpARM64ADD {
 24837  				break
 24838  			}
 24839  			_ = z.Args[1]
 24840  			z_0 := z.Args[0]
 24841  			z_1 := z.Args[1]
 24842  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24843  				x := z_0
 24844  				y := z_1
 24845  				if !(z.Uses == 1) {
 24846  					continue
 24847  				}
 24848  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 24849  				v0.AddArg2(x, y)
 24850  				b.resetWithControl(BlockARM64LEnoov, v0)
 24851  				return true
 24852  			}
 24853  			break
 24854  		}
 24855  		// match: (LE (CMPconst [0] z:(MADD a x y)) yes no)
 24856  		// cond: z.Uses==1
 24857  		// result: (LEnoov (CMN a (MUL <x.Type> x y)) yes no)
 24858  		for b.Controls[0].Op == OpARM64CMPconst {
 24859  			v_0 := b.Controls[0]
 24860  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24861  				break
 24862  			}
 24863  			z := v_0.Args[0]
 24864  			if z.Op != OpARM64MADD {
 24865  				break
 24866  			}
 24867  			y := z.Args[2]
 24868  			a := z.Args[0]
 24869  			x := z.Args[1]
 24870  			if !(z.Uses == 1) {
 24871  				break
 24872  			}
 24873  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 24874  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 24875  			v1.AddArg2(x, y)
 24876  			v0.AddArg2(a, v1)
 24877  			b.resetWithControl(BlockARM64LEnoov, v0)
 24878  			return true
 24879  		}
 24880  		// match: (LE (CMPconst [0] z:(MSUB a x y)) yes no)
 24881  		// cond: z.Uses==1
 24882  		// result: (LEnoov (CMP a (MUL <x.Type> x y)) yes no)
 24883  		for b.Controls[0].Op == OpARM64CMPconst {
 24884  			v_0 := b.Controls[0]
 24885  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24886  				break
 24887  			}
 24888  			z := v_0.Args[0]
 24889  			if z.Op != OpARM64MSUB {
 24890  				break
 24891  			}
 24892  			y := z.Args[2]
 24893  			a := z.Args[0]
 24894  			x := z.Args[1]
 24895  			if !(z.Uses == 1) {
 24896  				break
 24897  			}
 24898  			v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags)
 24899  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 24900  			v1.AddArg2(x, y)
 24901  			v0.AddArg2(a, v1)
 24902  			b.resetWithControl(BlockARM64LEnoov, v0)
 24903  			return true
 24904  		}
 24905  		// match: (LE (CMPWconst [0] z:(MADDW a x y)) yes no)
 24906  		// cond: z.Uses==1
 24907  		// result: (LEnoov (CMNW a (MULW <x.Type> x y)) yes no)
 24908  		for b.Controls[0].Op == OpARM64CMPWconst {
 24909  			v_0 := b.Controls[0]
 24910  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24911  				break
 24912  			}
 24913  			z := v_0.Args[0]
 24914  			if z.Op != OpARM64MADDW {
 24915  				break
 24916  			}
 24917  			y := z.Args[2]
 24918  			a := z.Args[0]
 24919  			x := z.Args[1]
 24920  			if !(z.Uses == 1) {
 24921  				break
 24922  			}
 24923  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 24924  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 24925  			v1.AddArg2(x, y)
 24926  			v0.AddArg2(a, v1)
 24927  			b.resetWithControl(BlockARM64LEnoov, v0)
 24928  			return true
 24929  		}
 24930  		// match: (LE (CMPWconst [0] z:(MSUBW a x y)) yes no)
 24931  		// cond: z.Uses==1
 24932  		// result: (LEnoov (CMPW a (MULW <x.Type> x y)) yes no)
 24933  		for b.Controls[0].Op == OpARM64CMPWconst {
 24934  			v_0 := b.Controls[0]
 24935  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24936  				break
 24937  			}
 24938  			z := v_0.Args[0]
 24939  			if z.Op != OpARM64MSUBW {
 24940  				break
 24941  			}
 24942  			y := z.Args[2]
 24943  			a := z.Args[0]
 24944  			x := z.Args[1]
 24945  			if !(z.Uses == 1) {
 24946  				break
 24947  			}
 24948  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags)
 24949  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 24950  			v1.AddArg2(x, y)
 24951  			v0.AddArg2(a, v1)
 24952  			b.resetWithControl(BlockARM64LEnoov, v0)
 24953  			return true
 24954  		}
 24955  		// match: (LE (FlagConstant [fc]) yes no)
 24956  		// cond: fc.le()
 24957  		// result: (First yes no)
 24958  		for b.Controls[0].Op == OpARM64FlagConstant {
 24959  			v_0 := b.Controls[0]
 24960  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24961  			if !(fc.le()) {
 24962  				break
 24963  			}
 24964  			b.Reset(BlockFirst)
 24965  			return true
 24966  		}
 24967  		// match: (LE (FlagConstant [fc]) yes no)
 24968  		// cond: !fc.le()
 24969  		// result: (First no yes)
 24970  		for b.Controls[0].Op == OpARM64FlagConstant {
 24971  			v_0 := b.Controls[0]
 24972  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24973  			if !(!fc.le()) {
 24974  				break
 24975  			}
 24976  			b.Reset(BlockFirst)
 24977  			b.swapSuccessors()
 24978  			return true
 24979  		}
 24980  		// match: (LE (InvertFlags cmp) yes no)
 24981  		// result: (GE cmp yes no)
 24982  		for b.Controls[0].Op == OpARM64InvertFlags {
 24983  			v_0 := b.Controls[0]
 24984  			cmp := v_0.Args[0]
 24985  			b.resetWithControl(BlockARM64GE, cmp)
 24986  			return true
 24987  		}
 24988  	case BlockARM64LEnoov:
 24989  		// match: (LEnoov (FlagConstant [fc]) yes no)
 24990  		// cond: fc.leNoov()
 24991  		// result: (First yes no)
 24992  		for b.Controls[0].Op == OpARM64FlagConstant {
 24993  			v_0 := b.Controls[0]
 24994  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24995  			if !(fc.leNoov()) {
 24996  				break
 24997  			}
 24998  			b.Reset(BlockFirst)
 24999  			return true
 25000  		}
 25001  		// match: (LEnoov (FlagConstant [fc]) yes no)
 25002  		// cond: !fc.leNoov()
 25003  		// result: (First no yes)
 25004  		for b.Controls[0].Op == OpARM64FlagConstant {
 25005  			v_0 := b.Controls[0]
 25006  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25007  			if !(!fc.leNoov()) {
 25008  				break
 25009  			}
 25010  			b.Reset(BlockFirst)
 25011  			b.swapSuccessors()
 25012  			return true
 25013  		}
 25014  		// match: (LEnoov (InvertFlags cmp) yes no)
 25015  		// result: (GEnoov cmp yes no)
 25016  		for b.Controls[0].Op == OpARM64InvertFlags {
 25017  			v_0 := b.Controls[0]
 25018  			cmp := v_0.Args[0]
 25019  			b.resetWithControl(BlockARM64GEnoov, cmp)
 25020  			return true
 25021  		}
 25022  	case BlockARM64LT:
 25023  		// match: (LT (CMPconst [0] z:(AND x y)) yes no)
 25024  		// cond: z.Uses == 1
 25025  		// result: (LT (TST x y) yes no)
 25026  		for b.Controls[0].Op == OpARM64CMPconst {
 25027  			v_0 := b.Controls[0]
 25028  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25029  				break
 25030  			}
 25031  			z := v_0.Args[0]
 25032  			if z.Op != OpARM64AND {
 25033  				break
 25034  			}
 25035  			_ = z.Args[1]
 25036  			z_0 := z.Args[0]
 25037  			z_1 := z.Args[1]
 25038  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25039  				x := z_0
 25040  				y := z_1
 25041  				if !(z.Uses == 1) {
 25042  					continue
 25043  				}
 25044  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 25045  				v0.AddArg2(x, y)
 25046  				b.resetWithControl(BlockARM64LT, v0)
 25047  				return true
 25048  			}
 25049  			break
 25050  		}
 25051  		// match: (LT (CMPconst [0] x:(ANDconst [c] y)) yes no)
 25052  		// cond: x.Uses == 1
 25053  		// result: (LT (TSTconst [c] y) yes no)
 25054  		for b.Controls[0].Op == OpARM64CMPconst {
 25055  			v_0 := b.Controls[0]
 25056  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25057  				break
 25058  			}
 25059  			x := v_0.Args[0]
 25060  			if x.Op != OpARM64ANDconst {
 25061  				break
 25062  			}
 25063  			c := auxIntToInt64(x.AuxInt)
 25064  			y := x.Args[0]
 25065  			if !(x.Uses == 1) {
 25066  				break
 25067  			}
 25068  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 25069  			v0.AuxInt = int64ToAuxInt(c)
 25070  			v0.AddArg(y)
 25071  			b.resetWithControl(BlockARM64LT, v0)
 25072  			return true
 25073  		}
 25074  		// match: (LT (CMPWconst [0] z:(AND x y)) yes no)
 25075  		// cond: z.Uses == 1
 25076  		// result: (LT (TSTW x y) yes no)
 25077  		for b.Controls[0].Op == OpARM64CMPWconst {
 25078  			v_0 := b.Controls[0]
 25079  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25080  				break
 25081  			}
 25082  			z := v_0.Args[0]
 25083  			if z.Op != OpARM64AND {
 25084  				break
 25085  			}
 25086  			_ = z.Args[1]
 25087  			z_0 := z.Args[0]
 25088  			z_1 := z.Args[1]
 25089  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25090  				x := z_0
 25091  				y := z_1
 25092  				if !(z.Uses == 1) {
 25093  					continue
 25094  				}
 25095  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 25096  				v0.AddArg2(x, y)
 25097  				b.resetWithControl(BlockARM64LT, v0)
 25098  				return true
 25099  			}
 25100  			break
 25101  		}
 25102  		// match: (LT (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 25103  		// cond: x.Uses == 1
 25104  		// result: (LT (TSTWconst [int32(c)] y) yes no)
 25105  		for b.Controls[0].Op == OpARM64CMPWconst {
 25106  			v_0 := b.Controls[0]
 25107  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25108  				break
 25109  			}
 25110  			x := v_0.Args[0]
 25111  			if x.Op != OpARM64ANDconst {
 25112  				break
 25113  			}
 25114  			c := auxIntToInt64(x.AuxInt)
 25115  			y := x.Args[0]
 25116  			if !(x.Uses == 1) {
 25117  				break
 25118  			}
 25119  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 25120  			v0.AuxInt = int32ToAuxInt(int32(c))
 25121  			v0.AddArg(y)
 25122  			b.resetWithControl(BlockARM64LT, v0)
 25123  			return true
 25124  		}
 25125  		// match: (LT (CMPconst [0] x:(ADDconst [c] y)) yes no)
 25126  		// cond: x.Uses == 1
 25127  		// result: (LTnoov (CMNconst [c] y) yes no)
 25128  		for b.Controls[0].Op == OpARM64CMPconst {
 25129  			v_0 := b.Controls[0]
 25130  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25131  				break
 25132  			}
 25133  			x := v_0.Args[0]
 25134  			if x.Op != OpARM64ADDconst {
 25135  				break
 25136  			}
 25137  			c := auxIntToInt64(x.AuxInt)
 25138  			y := x.Args[0]
 25139  			if !(x.Uses == 1) {
 25140  				break
 25141  			}
 25142  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 25143  			v0.AuxInt = int64ToAuxInt(c)
 25144  			v0.AddArg(y)
 25145  			b.resetWithControl(BlockARM64LTnoov, v0)
 25146  			return true
 25147  		}
 25148  		// match: (LT (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 25149  		// cond: x.Uses == 1
 25150  		// result: (LTnoov (CMNWconst [int32(c)] y) yes no)
 25151  		for b.Controls[0].Op == OpARM64CMPWconst {
 25152  			v_0 := b.Controls[0]
 25153  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25154  				break
 25155  			}
 25156  			x := v_0.Args[0]
 25157  			if x.Op != OpARM64ADDconst {
 25158  				break
 25159  			}
 25160  			c := auxIntToInt64(x.AuxInt)
 25161  			y := x.Args[0]
 25162  			if !(x.Uses == 1) {
 25163  				break
 25164  			}
 25165  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 25166  			v0.AuxInt = int32ToAuxInt(int32(c))
 25167  			v0.AddArg(y)
 25168  			b.resetWithControl(BlockARM64LTnoov, v0)
 25169  			return true
 25170  		}
 25171  		// match: (LT (CMPconst [0] z:(ADD x y)) yes no)
 25172  		// cond: z.Uses == 1
 25173  		// result: (LTnoov (CMN x y) yes no)
 25174  		for b.Controls[0].Op == OpARM64CMPconst {
 25175  			v_0 := b.Controls[0]
 25176  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25177  				break
 25178  			}
 25179  			z := v_0.Args[0]
 25180  			if z.Op != OpARM64ADD {
 25181  				break
 25182  			}
 25183  			_ = z.Args[1]
 25184  			z_0 := z.Args[0]
 25185  			z_1 := z.Args[1]
 25186  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25187  				x := z_0
 25188  				y := z_1
 25189  				if !(z.Uses == 1) {
 25190  					continue
 25191  				}
 25192  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 25193  				v0.AddArg2(x, y)
 25194  				b.resetWithControl(BlockARM64LTnoov, v0)
 25195  				return true
 25196  			}
 25197  			break
 25198  		}
 25199  		// match: (LT (CMPWconst [0] z:(ADD x y)) yes no)
 25200  		// cond: z.Uses == 1
 25201  		// result: (LTnoov (CMNW x y) yes no)
 25202  		for b.Controls[0].Op == OpARM64CMPWconst {
 25203  			v_0 := b.Controls[0]
 25204  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25205  				break
 25206  			}
 25207  			z := v_0.Args[0]
 25208  			if z.Op != OpARM64ADD {
 25209  				break
 25210  			}
 25211  			_ = z.Args[1]
 25212  			z_0 := z.Args[0]
 25213  			z_1 := z.Args[1]
 25214  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25215  				x := z_0
 25216  				y := z_1
 25217  				if !(z.Uses == 1) {
 25218  					continue
 25219  				}
 25220  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 25221  				v0.AddArg2(x, y)
 25222  				b.resetWithControl(BlockARM64LTnoov, v0)
 25223  				return true
 25224  			}
 25225  			break
 25226  		}
 25227  		// match: (LT (CMPconst [0] z:(MADD a x y)) yes no)
 25228  		// cond: z.Uses==1
 25229  		// result: (LTnoov (CMN a (MUL <x.Type> x y)) yes no)
 25230  		for b.Controls[0].Op == OpARM64CMPconst {
 25231  			v_0 := b.Controls[0]
 25232  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25233  				break
 25234  			}
 25235  			z := v_0.Args[0]
 25236  			if z.Op != OpARM64MADD {
 25237  				break
 25238  			}
 25239  			y := z.Args[2]
 25240  			a := z.Args[0]
 25241  			x := z.Args[1]
 25242  			if !(z.Uses == 1) {
 25243  				break
 25244  			}
 25245  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 25246  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 25247  			v1.AddArg2(x, y)
 25248  			v0.AddArg2(a, v1)
 25249  			b.resetWithControl(BlockARM64LTnoov, v0)
 25250  			return true
 25251  		}
 25252  		// match: (LT (CMPconst [0] z:(MSUB a x y)) yes no)
 25253  		// cond: z.Uses==1
 25254  		// result: (LTnoov (CMP a (MUL <x.Type> x y)) yes no)
 25255  		for b.Controls[0].Op == OpARM64CMPconst {
 25256  			v_0 := b.Controls[0]
 25257  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25258  				break
 25259  			}
 25260  			z := v_0.Args[0]
 25261  			if z.Op != OpARM64MSUB {
 25262  				break
 25263  			}
 25264  			y := z.Args[2]
 25265  			a := z.Args[0]
 25266  			x := z.Args[1]
 25267  			if !(z.Uses == 1) {
 25268  				break
 25269  			}
 25270  			v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags)
 25271  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 25272  			v1.AddArg2(x, y)
 25273  			v0.AddArg2(a, v1)
 25274  			b.resetWithControl(BlockARM64LTnoov, v0)
 25275  			return true
 25276  		}
 25277  		// match: (LT (CMPWconst [0] z:(MADDW a x y)) yes no)
 25278  		// cond: z.Uses==1
 25279  		// result: (LTnoov (CMNW a (MULW <x.Type> x y)) yes no)
 25280  		for b.Controls[0].Op == OpARM64CMPWconst {
 25281  			v_0 := b.Controls[0]
 25282  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25283  				break
 25284  			}
 25285  			z := v_0.Args[0]
 25286  			if z.Op != OpARM64MADDW {
 25287  				break
 25288  			}
 25289  			y := z.Args[2]
 25290  			a := z.Args[0]
 25291  			x := z.Args[1]
 25292  			if !(z.Uses == 1) {
 25293  				break
 25294  			}
 25295  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 25296  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 25297  			v1.AddArg2(x, y)
 25298  			v0.AddArg2(a, v1)
 25299  			b.resetWithControl(BlockARM64LTnoov, v0)
 25300  			return true
 25301  		}
 25302  		// match: (LT (CMPWconst [0] z:(MSUBW a x y)) yes no)
 25303  		// cond: z.Uses==1
 25304  		// result: (LTnoov (CMPW a (MULW <x.Type> x y)) yes no)
 25305  		for b.Controls[0].Op == OpARM64CMPWconst {
 25306  			v_0 := b.Controls[0]
 25307  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25308  				break
 25309  			}
 25310  			z := v_0.Args[0]
 25311  			if z.Op != OpARM64MSUBW {
 25312  				break
 25313  			}
 25314  			y := z.Args[2]
 25315  			a := z.Args[0]
 25316  			x := z.Args[1]
 25317  			if !(z.Uses == 1) {
 25318  				break
 25319  			}
 25320  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags)
 25321  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 25322  			v1.AddArg2(x, y)
 25323  			v0.AddArg2(a, v1)
 25324  			b.resetWithControl(BlockARM64LTnoov, v0)
 25325  			return true
 25326  		}
 25327  		// match: (LT (CMPWconst [0] x) yes no)
 25328  		// result: (TBNZ [31] x yes no)
 25329  		for b.Controls[0].Op == OpARM64CMPWconst {
 25330  			v_0 := b.Controls[0]
 25331  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25332  				break
 25333  			}
 25334  			x := v_0.Args[0]
 25335  			b.resetWithControl(BlockARM64TBNZ, x)
 25336  			b.AuxInt = int64ToAuxInt(31)
 25337  			return true
 25338  		}
 25339  		// match: (LT (CMPconst [0] x) yes no)
 25340  		// result: (TBNZ [63] x yes no)
 25341  		for b.Controls[0].Op == OpARM64CMPconst {
 25342  			v_0 := b.Controls[0]
 25343  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25344  				break
 25345  			}
 25346  			x := v_0.Args[0]
 25347  			b.resetWithControl(BlockARM64TBNZ, x)
 25348  			b.AuxInt = int64ToAuxInt(63)
 25349  			return true
 25350  		}
 25351  		// match: (LT (FlagConstant [fc]) yes no)
 25352  		// cond: fc.lt()
 25353  		// result: (First yes no)
 25354  		for b.Controls[0].Op == OpARM64FlagConstant {
 25355  			v_0 := b.Controls[0]
 25356  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25357  			if !(fc.lt()) {
 25358  				break
 25359  			}
 25360  			b.Reset(BlockFirst)
 25361  			return true
 25362  		}
 25363  		// match: (LT (FlagConstant [fc]) yes no)
 25364  		// cond: !fc.lt()
 25365  		// result: (First no yes)
 25366  		for b.Controls[0].Op == OpARM64FlagConstant {
 25367  			v_0 := b.Controls[0]
 25368  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25369  			if !(!fc.lt()) {
 25370  				break
 25371  			}
 25372  			b.Reset(BlockFirst)
 25373  			b.swapSuccessors()
 25374  			return true
 25375  		}
 25376  		// match: (LT (InvertFlags cmp) yes no)
 25377  		// result: (GT cmp yes no)
 25378  		for b.Controls[0].Op == OpARM64InvertFlags {
 25379  			v_0 := b.Controls[0]
 25380  			cmp := v_0.Args[0]
 25381  			b.resetWithControl(BlockARM64GT, cmp)
 25382  			return true
 25383  		}
 25384  	case BlockARM64LTnoov:
 25385  		// match: (LTnoov (FlagConstant [fc]) yes no)
 25386  		// cond: fc.ltNoov()
 25387  		// result: (First yes no)
 25388  		for b.Controls[0].Op == OpARM64FlagConstant {
 25389  			v_0 := b.Controls[0]
 25390  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25391  			if !(fc.ltNoov()) {
 25392  				break
 25393  			}
 25394  			b.Reset(BlockFirst)
 25395  			return true
 25396  		}
 25397  		// match: (LTnoov (FlagConstant [fc]) yes no)
 25398  		// cond: !fc.ltNoov()
 25399  		// result: (First no yes)
 25400  		for b.Controls[0].Op == OpARM64FlagConstant {
 25401  			v_0 := b.Controls[0]
 25402  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25403  			if !(!fc.ltNoov()) {
 25404  				break
 25405  			}
 25406  			b.Reset(BlockFirst)
 25407  			b.swapSuccessors()
 25408  			return true
 25409  		}
 25410  		// match: (LTnoov (InvertFlags cmp) yes no)
 25411  		// result: (GTnoov cmp yes no)
 25412  		for b.Controls[0].Op == OpARM64InvertFlags {
 25413  			v_0 := b.Controls[0]
 25414  			cmp := v_0.Args[0]
 25415  			b.resetWithControl(BlockARM64GTnoov, cmp)
 25416  			return true
 25417  		}
 25418  	case BlockARM64NE:
 25419  		// match: (NE (CMPconst [0] z:(AND x y)) yes no)
 25420  		// cond: z.Uses == 1
 25421  		// result: (NE (TST x y) yes no)
 25422  		for b.Controls[0].Op == OpARM64CMPconst {
 25423  			v_0 := b.Controls[0]
 25424  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25425  				break
 25426  			}
 25427  			z := v_0.Args[0]
 25428  			if z.Op != OpARM64AND {
 25429  				break
 25430  			}
 25431  			_ = z.Args[1]
 25432  			z_0 := z.Args[0]
 25433  			z_1 := z.Args[1]
 25434  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25435  				x := z_0
 25436  				y := z_1
 25437  				if !(z.Uses == 1) {
 25438  					continue
 25439  				}
 25440  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 25441  				v0.AddArg2(x, y)
 25442  				b.resetWithControl(BlockARM64NE, v0)
 25443  				return true
 25444  			}
 25445  			break
 25446  		}
 25447  		// match: (NE (CMPconst [0] x:(ANDconst [c] y)) yes no)
 25448  		// cond: x.Uses == 1
 25449  		// result: (NE (TSTconst [c] y) yes no)
 25450  		for b.Controls[0].Op == OpARM64CMPconst {
 25451  			v_0 := b.Controls[0]
 25452  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25453  				break
 25454  			}
 25455  			x := v_0.Args[0]
 25456  			if x.Op != OpARM64ANDconst {
 25457  				break
 25458  			}
 25459  			c := auxIntToInt64(x.AuxInt)
 25460  			y := x.Args[0]
 25461  			if !(x.Uses == 1) {
 25462  				break
 25463  			}
 25464  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 25465  			v0.AuxInt = int64ToAuxInt(c)
 25466  			v0.AddArg(y)
 25467  			b.resetWithControl(BlockARM64NE, v0)
 25468  			return true
 25469  		}
 25470  		// match: (NE (CMPWconst [0] z:(AND x y)) yes no)
 25471  		// cond: z.Uses == 1
 25472  		// result: (NE (TSTW x y) yes no)
 25473  		for b.Controls[0].Op == OpARM64CMPWconst {
 25474  			v_0 := b.Controls[0]
 25475  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25476  				break
 25477  			}
 25478  			z := v_0.Args[0]
 25479  			if z.Op != OpARM64AND {
 25480  				break
 25481  			}
 25482  			_ = z.Args[1]
 25483  			z_0 := z.Args[0]
 25484  			z_1 := z.Args[1]
 25485  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25486  				x := z_0
 25487  				y := z_1
 25488  				if !(z.Uses == 1) {
 25489  					continue
 25490  				}
 25491  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 25492  				v0.AddArg2(x, y)
 25493  				b.resetWithControl(BlockARM64NE, v0)
 25494  				return true
 25495  			}
 25496  			break
 25497  		}
 25498  		// match: (NE (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 25499  		// cond: x.Uses == 1
 25500  		// result: (NE (TSTWconst [int32(c)] y) yes no)
 25501  		for b.Controls[0].Op == OpARM64CMPWconst {
 25502  			v_0 := b.Controls[0]
 25503  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25504  				break
 25505  			}
 25506  			x := v_0.Args[0]
 25507  			if x.Op != OpARM64ANDconst {
 25508  				break
 25509  			}
 25510  			c := auxIntToInt64(x.AuxInt)
 25511  			y := x.Args[0]
 25512  			if !(x.Uses == 1) {
 25513  				break
 25514  			}
 25515  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 25516  			v0.AuxInt = int32ToAuxInt(int32(c))
 25517  			v0.AddArg(y)
 25518  			b.resetWithControl(BlockARM64NE, v0)
 25519  			return true
 25520  		}
 25521  		// match: (NE (CMPconst [0] x:(ADDconst [c] y)) yes no)
 25522  		// cond: x.Uses == 1
 25523  		// result: (NE (CMNconst [c] y) yes no)
 25524  		for b.Controls[0].Op == OpARM64CMPconst {
 25525  			v_0 := b.Controls[0]
 25526  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25527  				break
 25528  			}
 25529  			x := v_0.Args[0]
 25530  			if x.Op != OpARM64ADDconst {
 25531  				break
 25532  			}
 25533  			c := auxIntToInt64(x.AuxInt)
 25534  			y := x.Args[0]
 25535  			if !(x.Uses == 1) {
 25536  				break
 25537  			}
 25538  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 25539  			v0.AuxInt = int64ToAuxInt(c)
 25540  			v0.AddArg(y)
 25541  			b.resetWithControl(BlockARM64NE, v0)
 25542  			return true
 25543  		}
 25544  		// match: (NE (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 25545  		// cond: x.Uses == 1
 25546  		// result: (NE (CMNWconst [int32(c)] y) yes no)
 25547  		for b.Controls[0].Op == OpARM64CMPWconst {
 25548  			v_0 := b.Controls[0]
 25549  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25550  				break
 25551  			}
 25552  			x := v_0.Args[0]
 25553  			if x.Op != OpARM64ADDconst {
 25554  				break
 25555  			}
 25556  			c := auxIntToInt64(x.AuxInt)
 25557  			y := x.Args[0]
 25558  			if !(x.Uses == 1) {
 25559  				break
 25560  			}
 25561  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 25562  			v0.AuxInt = int32ToAuxInt(int32(c))
 25563  			v0.AddArg(y)
 25564  			b.resetWithControl(BlockARM64NE, v0)
 25565  			return true
 25566  		}
 25567  		// match: (NE (CMPconst [0] z:(ADD x y)) yes no)
 25568  		// cond: z.Uses == 1
 25569  		// result: (NE (CMN x y) yes no)
 25570  		for b.Controls[0].Op == OpARM64CMPconst {
 25571  			v_0 := b.Controls[0]
 25572  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25573  				break
 25574  			}
 25575  			z := v_0.Args[0]
 25576  			if z.Op != OpARM64ADD {
 25577  				break
 25578  			}
 25579  			_ = z.Args[1]
 25580  			z_0 := z.Args[0]
 25581  			z_1 := z.Args[1]
 25582  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25583  				x := z_0
 25584  				y := z_1
 25585  				if !(z.Uses == 1) {
 25586  					continue
 25587  				}
 25588  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 25589  				v0.AddArg2(x, y)
 25590  				b.resetWithControl(BlockARM64NE, v0)
 25591  				return true
 25592  			}
 25593  			break
 25594  		}
 25595  		// match: (NE (CMPWconst [0] z:(ADD x y)) yes no)
 25596  		// cond: z.Uses == 1
 25597  		// result: (NE (CMNW x y) yes no)
 25598  		for b.Controls[0].Op == OpARM64CMPWconst {
 25599  			v_0 := b.Controls[0]
 25600  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25601  				break
 25602  			}
 25603  			z := v_0.Args[0]
 25604  			if z.Op != OpARM64ADD {
 25605  				break
 25606  			}
 25607  			_ = z.Args[1]
 25608  			z_0 := z.Args[0]
 25609  			z_1 := z.Args[1]
 25610  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25611  				x := z_0
 25612  				y := z_1
 25613  				if !(z.Uses == 1) {
 25614  					continue
 25615  				}
 25616  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 25617  				v0.AddArg2(x, y)
 25618  				b.resetWithControl(BlockARM64NE, v0)
 25619  				return true
 25620  			}
 25621  			break
 25622  		}
 25623  		// match: (NE (CMP x z:(NEG y)) yes no)
 25624  		// cond: z.Uses == 1
 25625  		// result: (NE (CMN x y) yes no)
 25626  		for b.Controls[0].Op == OpARM64CMP {
 25627  			v_0 := b.Controls[0]
 25628  			_ = v_0.Args[1]
 25629  			x := v_0.Args[0]
 25630  			z := v_0.Args[1]
 25631  			if z.Op != OpARM64NEG {
 25632  				break
 25633  			}
 25634  			y := z.Args[0]
 25635  			if !(z.Uses == 1) {
 25636  				break
 25637  			}
 25638  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 25639  			v0.AddArg2(x, y)
 25640  			b.resetWithControl(BlockARM64NE, v0)
 25641  			return true
 25642  		}
 25643  		// match: (NE (CMPW x z:(NEG y)) yes no)
 25644  		// cond: z.Uses == 1
 25645  		// result: (NE (CMNW x y) yes no)
 25646  		for b.Controls[0].Op == OpARM64CMPW {
 25647  			v_0 := b.Controls[0]
 25648  			_ = v_0.Args[1]
 25649  			x := v_0.Args[0]
 25650  			z := v_0.Args[1]
 25651  			if z.Op != OpARM64NEG {
 25652  				break
 25653  			}
 25654  			y := z.Args[0]
 25655  			if !(z.Uses == 1) {
 25656  				break
 25657  			}
 25658  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 25659  			v0.AddArg2(x, y)
 25660  			b.resetWithControl(BlockARM64NE, v0)
 25661  			return true
 25662  		}
 25663  		// match: (NE (CMPconst [0] x) yes no)
 25664  		// result: (NZ x yes no)
 25665  		for b.Controls[0].Op == OpARM64CMPconst {
 25666  			v_0 := b.Controls[0]
 25667  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25668  				break
 25669  			}
 25670  			x := v_0.Args[0]
 25671  			b.resetWithControl(BlockARM64NZ, x)
 25672  			return true
 25673  		}
 25674  		// match: (NE (CMPWconst [0] x) yes no)
 25675  		// result: (NZW x yes no)
 25676  		for b.Controls[0].Op == OpARM64CMPWconst {
 25677  			v_0 := b.Controls[0]
 25678  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25679  				break
 25680  			}
 25681  			x := v_0.Args[0]
 25682  			b.resetWithControl(BlockARM64NZW, x)
 25683  			return true
 25684  		}
 25685  		// match: (NE (CMPconst [0] z:(MADD a x y)) yes no)
 25686  		// cond: z.Uses==1
 25687  		// result: (NE (CMN a (MUL <x.Type> x y)) yes no)
 25688  		for b.Controls[0].Op == OpARM64CMPconst {
 25689  			v_0 := b.Controls[0]
 25690  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25691  				break
 25692  			}
 25693  			z := v_0.Args[0]
 25694  			if z.Op != OpARM64MADD {
 25695  				break
 25696  			}
 25697  			y := z.Args[2]
 25698  			a := z.Args[0]
 25699  			x := z.Args[1]
 25700  			if !(z.Uses == 1) {
 25701  				break
 25702  			}
 25703  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 25704  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 25705  			v1.AddArg2(x, y)
 25706  			v0.AddArg2(a, v1)
 25707  			b.resetWithControl(BlockARM64NE, v0)
 25708  			return true
 25709  		}
 25710  		// match: (NE (CMPconst [0] z:(MSUB a x y)) yes no)
 25711  		// cond: z.Uses==1
 25712  		// result: (NE (CMP a (MUL <x.Type> x y)) yes no)
 25713  		for b.Controls[0].Op == OpARM64CMPconst {
 25714  			v_0 := b.Controls[0]
 25715  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25716  				break
 25717  			}
 25718  			z := v_0.Args[0]
 25719  			if z.Op != OpARM64MSUB {
 25720  				break
 25721  			}
 25722  			y := z.Args[2]
 25723  			a := z.Args[0]
 25724  			x := z.Args[1]
 25725  			if !(z.Uses == 1) {
 25726  				break
 25727  			}
 25728  			v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags)
 25729  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 25730  			v1.AddArg2(x, y)
 25731  			v0.AddArg2(a, v1)
 25732  			b.resetWithControl(BlockARM64NE, v0)
 25733  			return true
 25734  		}
 25735  		// match: (NE (CMPWconst [0] z:(MADDW a x y)) yes no)
 25736  		// cond: z.Uses==1
 25737  		// result: (NE (CMNW a (MULW <x.Type> x y)) yes no)
 25738  		for b.Controls[0].Op == OpARM64CMPWconst {
 25739  			v_0 := b.Controls[0]
 25740  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25741  				break
 25742  			}
 25743  			z := v_0.Args[0]
 25744  			if z.Op != OpARM64MADDW {
 25745  				break
 25746  			}
 25747  			y := z.Args[2]
 25748  			a := z.Args[0]
 25749  			x := z.Args[1]
 25750  			if !(z.Uses == 1) {
 25751  				break
 25752  			}
 25753  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 25754  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 25755  			v1.AddArg2(x, y)
 25756  			v0.AddArg2(a, v1)
 25757  			b.resetWithControl(BlockARM64NE, v0)
 25758  			return true
 25759  		}
 25760  		// match: (NE (CMPWconst [0] z:(MSUBW a x y)) yes no)
 25761  		// cond: z.Uses==1
 25762  		// result: (NE (CMPW a (MULW <x.Type> x y)) yes no)
 25763  		for b.Controls[0].Op == OpARM64CMPWconst {
 25764  			v_0 := b.Controls[0]
 25765  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25766  				break
 25767  			}
 25768  			z := v_0.Args[0]
 25769  			if z.Op != OpARM64MSUBW {
 25770  				break
 25771  			}
 25772  			y := z.Args[2]
 25773  			a := z.Args[0]
 25774  			x := z.Args[1]
 25775  			if !(z.Uses == 1) {
 25776  				break
 25777  			}
 25778  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags)
 25779  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 25780  			v1.AddArg2(x, y)
 25781  			v0.AddArg2(a, v1)
 25782  			b.resetWithControl(BlockARM64NE, v0)
 25783  			return true
 25784  		}
 25785  		// match: (NE (TSTconst [c] x) yes no)
 25786  		// cond: oneBit(c)
 25787  		// result: (TBNZ [int64(ntz64(c))] x yes no)
 25788  		for b.Controls[0].Op == OpARM64TSTconst {
 25789  			v_0 := b.Controls[0]
 25790  			c := auxIntToInt64(v_0.AuxInt)
 25791  			x := v_0.Args[0]
 25792  			if !(oneBit(c)) {
 25793  				break
 25794  			}
 25795  			b.resetWithControl(BlockARM64TBNZ, x)
 25796  			b.AuxInt = int64ToAuxInt(int64(ntz64(c)))
 25797  			return true
 25798  		}
 25799  		// match: (NE (TSTWconst [c] x) yes no)
 25800  		// cond: oneBit(int64(uint32(c)))
 25801  		// result: (TBNZ [int64(ntz64(int64(uint32(c))))] x yes no)
 25802  		for b.Controls[0].Op == OpARM64TSTWconst {
 25803  			v_0 := b.Controls[0]
 25804  			c := auxIntToInt32(v_0.AuxInt)
 25805  			x := v_0.Args[0]
 25806  			if !(oneBit(int64(uint32(c)))) {
 25807  				break
 25808  			}
 25809  			b.resetWithControl(BlockARM64TBNZ, x)
 25810  			b.AuxInt = int64ToAuxInt(int64(ntz64(int64(uint32(c)))))
 25811  			return true
 25812  		}
 25813  		// match: (NE (FlagConstant [fc]) yes no)
 25814  		// cond: fc.ne()
 25815  		// result: (First yes no)
 25816  		for b.Controls[0].Op == OpARM64FlagConstant {
 25817  			v_0 := b.Controls[0]
 25818  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25819  			if !(fc.ne()) {
 25820  				break
 25821  			}
 25822  			b.Reset(BlockFirst)
 25823  			return true
 25824  		}
 25825  		// match: (NE (FlagConstant [fc]) yes no)
 25826  		// cond: !fc.ne()
 25827  		// result: (First no yes)
 25828  		for b.Controls[0].Op == OpARM64FlagConstant {
 25829  			v_0 := b.Controls[0]
 25830  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25831  			if !(!fc.ne()) {
 25832  				break
 25833  			}
 25834  			b.Reset(BlockFirst)
 25835  			b.swapSuccessors()
 25836  			return true
 25837  		}
 25838  		// match: (NE (InvertFlags cmp) yes no)
 25839  		// result: (NE cmp yes no)
 25840  		for b.Controls[0].Op == OpARM64InvertFlags {
 25841  			v_0 := b.Controls[0]
 25842  			cmp := v_0.Args[0]
 25843  			b.resetWithControl(BlockARM64NE, cmp)
 25844  			return true
 25845  		}
 25846  	case BlockARM64NZ:
 25847  		// match: (NZ (Equal cc) yes no)
 25848  		// result: (EQ cc yes no)
 25849  		for b.Controls[0].Op == OpARM64Equal {
 25850  			v_0 := b.Controls[0]
 25851  			cc := v_0.Args[0]
 25852  			b.resetWithControl(BlockARM64EQ, cc)
 25853  			return true
 25854  		}
 25855  		// match: (NZ (NotEqual cc) yes no)
 25856  		// result: (NE cc yes no)
 25857  		for b.Controls[0].Op == OpARM64NotEqual {
 25858  			v_0 := b.Controls[0]
 25859  			cc := v_0.Args[0]
 25860  			b.resetWithControl(BlockARM64NE, cc)
 25861  			return true
 25862  		}
 25863  		// match: (NZ (LessThan cc) yes no)
 25864  		// result: (LT cc yes no)
 25865  		for b.Controls[0].Op == OpARM64LessThan {
 25866  			v_0 := b.Controls[0]
 25867  			cc := v_0.Args[0]
 25868  			b.resetWithControl(BlockARM64LT, cc)
 25869  			return true
 25870  		}
 25871  		// match: (NZ (LessThanU cc) yes no)
 25872  		// result: (ULT cc yes no)
 25873  		for b.Controls[0].Op == OpARM64LessThanU {
 25874  			v_0 := b.Controls[0]
 25875  			cc := v_0.Args[0]
 25876  			b.resetWithControl(BlockARM64ULT, cc)
 25877  			return true
 25878  		}
 25879  		// match: (NZ (LessEqual cc) yes no)
 25880  		// result: (LE cc yes no)
 25881  		for b.Controls[0].Op == OpARM64LessEqual {
 25882  			v_0 := b.Controls[0]
 25883  			cc := v_0.Args[0]
 25884  			b.resetWithControl(BlockARM64LE, cc)
 25885  			return true
 25886  		}
 25887  		// match: (NZ (LessEqualU cc) yes no)
 25888  		// result: (ULE cc yes no)
 25889  		for b.Controls[0].Op == OpARM64LessEqualU {
 25890  			v_0 := b.Controls[0]
 25891  			cc := v_0.Args[0]
 25892  			b.resetWithControl(BlockARM64ULE, cc)
 25893  			return true
 25894  		}
 25895  		// match: (NZ (GreaterThan cc) yes no)
 25896  		// result: (GT cc yes no)
 25897  		for b.Controls[0].Op == OpARM64GreaterThan {
 25898  			v_0 := b.Controls[0]
 25899  			cc := v_0.Args[0]
 25900  			b.resetWithControl(BlockARM64GT, cc)
 25901  			return true
 25902  		}
 25903  		// match: (NZ (GreaterThanU cc) yes no)
 25904  		// result: (UGT cc yes no)
 25905  		for b.Controls[0].Op == OpARM64GreaterThanU {
 25906  			v_0 := b.Controls[0]
 25907  			cc := v_0.Args[0]
 25908  			b.resetWithControl(BlockARM64UGT, cc)
 25909  			return true
 25910  		}
 25911  		// match: (NZ (GreaterEqual cc) yes no)
 25912  		// result: (GE cc yes no)
 25913  		for b.Controls[0].Op == OpARM64GreaterEqual {
 25914  			v_0 := b.Controls[0]
 25915  			cc := v_0.Args[0]
 25916  			b.resetWithControl(BlockARM64GE, cc)
 25917  			return true
 25918  		}
 25919  		// match: (NZ (GreaterEqualU cc) yes no)
 25920  		// result: (UGE cc yes no)
 25921  		for b.Controls[0].Op == OpARM64GreaterEqualU {
 25922  			v_0 := b.Controls[0]
 25923  			cc := v_0.Args[0]
 25924  			b.resetWithControl(BlockARM64UGE, cc)
 25925  			return true
 25926  		}
 25927  		// match: (NZ (LessThanF cc) yes no)
 25928  		// result: (FLT cc yes no)
 25929  		for b.Controls[0].Op == OpARM64LessThanF {
 25930  			v_0 := b.Controls[0]
 25931  			cc := v_0.Args[0]
 25932  			b.resetWithControl(BlockARM64FLT, cc)
 25933  			return true
 25934  		}
 25935  		// match: (NZ (LessEqualF cc) yes no)
 25936  		// result: (FLE cc yes no)
 25937  		for b.Controls[0].Op == OpARM64LessEqualF {
 25938  			v_0 := b.Controls[0]
 25939  			cc := v_0.Args[0]
 25940  			b.resetWithControl(BlockARM64FLE, cc)
 25941  			return true
 25942  		}
 25943  		// match: (NZ (GreaterThanF cc) yes no)
 25944  		// result: (FGT cc yes no)
 25945  		for b.Controls[0].Op == OpARM64GreaterThanF {
 25946  			v_0 := b.Controls[0]
 25947  			cc := v_0.Args[0]
 25948  			b.resetWithControl(BlockARM64FGT, cc)
 25949  			return true
 25950  		}
 25951  		// match: (NZ (GreaterEqualF cc) yes no)
 25952  		// result: (FGE cc yes no)
 25953  		for b.Controls[0].Op == OpARM64GreaterEqualF {
 25954  			v_0 := b.Controls[0]
 25955  			cc := v_0.Args[0]
 25956  			b.resetWithControl(BlockARM64FGE, cc)
 25957  			return true
 25958  		}
 25959  		// match: (NZ (ANDconst [c] x) yes no)
 25960  		// cond: oneBit(c)
 25961  		// result: (TBNZ [int64(ntz64(c))] x yes no)
 25962  		for b.Controls[0].Op == OpARM64ANDconst {
 25963  			v_0 := b.Controls[0]
 25964  			c := auxIntToInt64(v_0.AuxInt)
 25965  			x := v_0.Args[0]
 25966  			if !(oneBit(c)) {
 25967  				break
 25968  			}
 25969  			b.resetWithControl(BlockARM64TBNZ, x)
 25970  			b.AuxInt = int64ToAuxInt(int64(ntz64(c)))
 25971  			return true
 25972  		}
 25973  		// match: (NZ (MOVDconst [0]) yes no)
 25974  		// result: (First no yes)
 25975  		for b.Controls[0].Op == OpARM64MOVDconst {
 25976  			v_0 := b.Controls[0]
 25977  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25978  				break
 25979  			}
 25980  			b.Reset(BlockFirst)
 25981  			b.swapSuccessors()
 25982  			return true
 25983  		}
 25984  		// match: (NZ (MOVDconst [c]) yes no)
 25985  		// cond: c != 0
 25986  		// result: (First yes no)
 25987  		for b.Controls[0].Op == OpARM64MOVDconst {
 25988  			v_0 := b.Controls[0]
 25989  			c := auxIntToInt64(v_0.AuxInt)
 25990  			if !(c != 0) {
 25991  				break
 25992  			}
 25993  			b.Reset(BlockFirst)
 25994  			return true
 25995  		}
 25996  	case BlockARM64NZW:
 25997  		// match: (NZW (ANDconst [c] x) yes no)
 25998  		// cond: oneBit(int64(uint32(c)))
 25999  		// result: (TBNZ [int64(ntz64(int64(uint32(c))))] x yes no)
 26000  		for b.Controls[0].Op == OpARM64ANDconst {
 26001  			v_0 := b.Controls[0]
 26002  			c := auxIntToInt64(v_0.AuxInt)
 26003  			x := v_0.Args[0]
 26004  			if !(oneBit(int64(uint32(c)))) {
 26005  				break
 26006  			}
 26007  			b.resetWithControl(BlockARM64TBNZ, x)
 26008  			b.AuxInt = int64ToAuxInt(int64(ntz64(int64(uint32(c)))))
 26009  			return true
 26010  		}
 26011  		// match: (NZW (MOVDconst [c]) yes no)
 26012  		// cond: int32(c) == 0
 26013  		// result: (First no yes)
 26014  		for b.Controls[0].Op == OpARM64MOVDconst {
 26015  			v_0 := b.Controls[0]
 26016  			c := auxIntToInt64(v_0.AuxInt)
 26017  			if !(int32(c) == 0) {
 26018  				break
 26019  			}
 26020  			b.Reset(BlockFirst)
 26021  			b.swapSuccessors()
 26022  			return true
 26023  		}
 26024  		// match: (NZW (MOVDconst [c]) yes no)
 26025  		// cond: int32(c) != 0
 26026  		// result: (First yes no)
 26027  		for b.Controls[0].Op == OpARM64MOVDconst {
 26028  			v_0 := b.Controls[0]
 26029  			c := auxIntToInt64(v_0.AuxInt)
 26030  			if !(int32(c) != 0) {
 26031  				break
 26032  			}
 26033  			b.Reset(BlockFirst)
 26034  			return true
 26035  		}
 26036  	case BlockARM64TBNZ:
 26037  		// match: (TBNZ [0] (Equal cc) yes no)
 26038  		// result: (EQ cc yes no)
 26039  		for b.Controls[0].Op == OpARM64Equal {
 26040  			v_0 := b.Controls[0]
 26041  			cc := v_0.Args[0]
 26042  			if auxIntToInt64(b.AuxInt) != 0 {
 26043  				break
 26044  			}
 26045  			b.resetWithControl(BlockARM64EQ, cc)
 26046  			return true
 26047  		}
 26048  		// match: (TBNZ [0] (NotEqual cc) yes no)
 26049  		// result: (NE cc yes no)
 26050  		for b.Controls[0].Op == OpARM64NotEqual {
 26051  			v_0 := b.Controls[0]
 26052  			cc := v_0.Args[0]
 26053  			if auxIntToInt64(b.AuxInt) != 0 {
 26054  				break
 26055  			}
 26056  			b.resetWithControl(BlockARM64NE, cc)
 26057  			return true
 26058  		}
 26059  		// match: (TBNZ [0] (LessThan cc) yes no)
 26060  		// result: (LT cc yes no)
 26061  		for b.Controls[0].Op == OpARM64LessThan {
 26062  			v_0 := b.Controls[0]
 26063  			cc := v_0.Args[0]
 26064  			if auxIntToInt64(b.AuxInt) != 0 {
 26065  				break
 26066  			}
 26067  			b.resetWithControl(BlockARM64LT, cc)
 26068  			return true
 26069  		}
 26070  		// match: (TBNZ [0] (LessThanU cc) yes no)
 26071  		// result: (ULT cc yes no)
 26072  		for b.Controls[0].Op == OpARM64LessThanU {
 26073  			v_0 := b.Controls[0]
 26074  			cc := v_0.Args[0]
 26075  			if auxIntToInt64(b.AuxInt) != 0 {
 26076  				break
 26077  			}
 26078  			b.resetWithControl(BlockARM64ULT, cc)
 26079  			return true
 26080  		}
 26081  		// match: (TBNZ [0] (LessEqual cc) yes no)
 26082  		// result: (LE cc yes no)
 26083  		for b.Controls[0].Op == OpARM64LessEqual {
 26084  			v_0 := b.Controls[0]
 26085  			cc := v_0.Args[0]
 26086  			if auxIntToInt64(b.AuxInt) != 0 {
 26087  				break
 26088  			}
 26089  			b.resetWithControl(BlockARM64LE, cc)
 26090  			return true
 26091  		}
 26092  		// match: (TBNZ [0] (LessEqualU cc) yes no)
 26093  		// result: (ULE cc yes no)
 26094  		for b.Controls[0].Op == OpARM64LessEqualU {
 26095  			v_0 := b.Controls[0]
 26096  			cc := v_0.Args[0]
 26097  			if auxIntToInt64(b.AuxInt) != 0 {
 26098  				break
 26099  			}
 26100  			b.resetWithControl(BlockARM64ULE, cc)
 26101  			return true
 26102  		}
 26103  		// match: (TBNZ [0] (GreaterThan cc) yes no)
 26104  		// result: (GT cc yes no)
 26105  		for b.Controls[0].Op == OpARM64GreaterThan {
 26106  			v_0 := b.Controls[0]
 26107  			cc := v_0.Args[0]
 26108  			if auxIntToInt64(b.AuxInt) != 0 {
 26109  				break
 26110  			}
 26111  			b.resetWithControl(BlockARM64GT, cc)
 26112  			return true
 26113  		}
 26114  		// match: (TBNZ [0] (GreaterThanU cc) yes no)
 26115  		// result: (UGT cc yes no)
 26116  		for b.Controls[0].Op == OpARM64GreaterThanU {
 26117  			v_0 := b.Controls[0]
 26118  			cc := v_0.Args[0]
 26119  			if auxIntToInt64(b.AuxInt) != 0 {
 26120  				break
 26121  			}
 26122  			b.resetWithControl(BlockARM64UGT, cc)
 26123  			return true
 26124  		}
 26125  		// match: (TBNZ [0] (GreaterEqual cc) yes no)
 26126  		// result: (GE cc yes no)
 26127  		for b.Controls[0].Op == OpARM64GreaterEqual {
 26128  			v_0 := b.Controls[0]
 26129  			cc := v_0.Args[0]
 26130  			if auxIntToInt64(b.AuxInt) != 0 {
 26131  				break
 26132  			}
 26133  			b.resetWithControl(BlockARM64GE, cc)
 26134  			return true
 26135  		}
 26136  		// match: (TBNZ [0] (GreaterEqualU cc) yes no)
 26137  		// result: (UGE cc yes no)
 26138  		for b.Controls[0].Op == OpARM64GreaterEqualU {
 26139  			v_0 := b.Controls[0]
 26140  			cc := v_0.Args[0]
 26141  			if auxIntToInt64(b.AuxInt) != 0 {
 26142  				break
 26143  			}
 26144  			b.resetWithControl(BlockARM64UGE, cc)
 26145  			return true
 26146  		}
 26147  		// match: (TBNZ [0] (LessThanF cc) yes no)
 26148  		// result: (FLT cc yes no)
 26149  		for b.Controls[0].Op == OpARM64LessThanF {
 26150  			v_0 := b.Controls[0]
 26151  			cc := v_0.Args[0]
 26152  			if auxIntToInt64(b.AuxInt) != 0 {
 26153  				break
 26154  			}
 26155  			b.resetWithControl(BlockARM64FLT, cc)
 26156  			return true
 26157  		}
 26158  		// match: (TBNZ [0] (LessEqualF cc) yes no)
 26159  		// result: (FLE cc yes no)
 26160  		for b.Controls[0].Op == OpARM64LessEqualF {
 26161  			v_0 := b.Controls[0]
 26162  			cc := v_0.Args[0]
 26163  			if auxIntToInt64(b.AuxInt) != 0 {
 26164  				break
 26165  			}
 26166  			b.resetWithControl(BlockARM64FLE, cc)
 26167  			return true
 26168  		}
 26169  		// match: (TBNZ [0] (GreaterThanF cc) yes no)
 26170  		// result: (FGT cc yes no)
 26171  		for b.Controls[0].Op == OpARM64GreaterThanF {
 26172  			v_0 := b.Controls[0]
 26173  			cc := v_0.Args[0]
 26174  			if auxIntToInt64(b.AuxInt) != 0 {
 26175  				break
 26176  			}
 26177  			b.resetWithControl(BlockARM64FGT, cc)
 26178  			return true
 26179  		}
 26180  		// match: (TBNZ [0] (GreaterEqualF cc) yes no)
 26181  		// result: (FGE cc yes no)
 26182  		for b.Controls[0].Op == OpARM64GreaterEqualF {
 26183  			v_0 := b.Controls[0]
 26184  			cc := v_0.Args[0]
 26185  			if auxIntToInt64(b.AuxInt) != 0 {
 26186  				break
 26187  			}
 26188  			b.resetWithControl(BlockARM64FGE, cc)
 26189  			return true
 26190  		}
 26191  	case BlockARM64UGE:
 26192  		// match: (UGE (FlagConstant [fc]) yes no)
 26193  		// cond: fc.uge()
 26194  		// result: (First yes no)
 26195  		for b.Controls[0].Op == OpARM64FlagConstant {
 26196  			v_0 := b.Controls[0]
 26197  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26198  			if !(fc.uge()) {
 26199  				break
 26200  			}
 26201  			b.Reset(BlockFirst)
 26202  			return true
 26203  		}
 26204  		// match: (UGE (FlagConstant [fc]) yes no)
 26205  		// cond: !fc.uge()
 26206  		// result: (First no yes)
 26207  		for b.Controls[0].Op == OpARM64FlagConstant {
 26208  			v_0 := b.Controls[0]
 26209  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26210  			if !(!fc.uge()) {
 26211  				break
 26212  			}
 26213  			b.Reset(BlockFirst)
 26214  			b.swapSuccessors()
 26215  			return true
 26216  		}
 26217  		// match: (UGE (InvertFlags cmp) yes no)
 26218  		// result: (ULE cmp yes no)
 26219  		for b.Controls[0].Op == OpARM64InvertFlags {
 26220  			v_0 := b.Controls[0]
 26221  			cmp := v_0.Args[0]
 26222  			b.resetWithControl(BlockARM64ULE, cmp)
 26223  			return true
 26224  		}
 26225  	case BlockARM64UGT:
 26226  		// match: (UGT (FlagConstant [fc]) yes no)
 26227  		// cond: fc.ugt()
 26228  		// result: (First yes no)
 26229  		for b.Controls[0].Op == OpARM64FlagConstant {
 26230  			v_0 := b.Controls[0]
 26231  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26232  			if !(fc.ugt()) {
 26233  				break
 26234  			}
 26235  			b.Reset(BlockFirst)
 26236  			return true
 26237  		}
 26238  		// match: (UGT (FlagConstant [fc]) yes no)
 26239  		// cond: !fc.ugt()
 26240  		// result: (First no yes)
 26241  		for b.Controls[0].Op == OpARM64FlagConstant {
 26242  			v_0 := b.Controls[0]
 26243  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26244  			if !(!fc.ugt()) {
 26245  				break
 26246  			}
 26247  			b.Reset(BlockFirst)
 26248  			b.swapSuccessors()
 26249  			return true
 26250  		}
 26251  		// match: (UGT (InvertFlags cmp) yes no)
 26252  		// result: (ULT cmp yes no)
 26253  		for b.Controls[0].Op == OpARM64InvertFlags {
 26254  			v_0 := b.Controls[0]
 26255  			cmp := v_0.Args[0]
 26256  			b.resetWithControl(BlockARM64ULT, cmp)
 26257  			return true
 26258  		}
 26259  	case BlockARM64ULE:
 26260  		// match: (ULE (FlagConstant [fc]) yes no)
 26261  		// cond: fc.ule()
 26262  		// result: (First yes no)
 26263  		for b.Controls[0].Op == OpARM64FlagConstant {
 26264  			v_0 := b.Controls[0]
 26265  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26266  			if !(fc.ule()) {
 26267  				break
 26268  			}
 26269  			b.Reset(BlockFirst)
 26270  			return true
 26271  		}
 26272  		// match: (ULE (FlagConstant [fc]) yes no)
 26273  		// cond: !fc.ule()
 26274  		// result: (First no yes)
 26275  		for b.Controls[0].Op == OpARM64FlagConstant {
 26276  			v_0 := b.Controls[0]
 26277  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26278  			if !(!fc.ule()) {
 26279  				break
 26280  			}
 26281  			b.Reset(BlockFirst)
 26282  			b.swapSuccessors()
 26283  			return true
 26284  		}
 26285  		// match: (ULE (InvertFlags cmp) yes no)
 26286  		// result: (UGE cmp yes no)
 26287  		for b.Controls[0].Op == OpARM64InvertFlags {
 26288  			v_0 := b.Controls[0]
 26289  			cmp := v_0.Args[0]
 26290  			b.resetWithControl(BlockARM64UGE, cmp)
 26291  			return true
 26292  		}
 26293  	case BlockARM64ULT:
 26294  		// match: (ULT (FlagConstant [fc]) yes no)
 26295  		// cond: fc.ult()
 26296  		// result: (First yes no)
 26297  		for b.Controls[0].Op == OpARM64FlagConstant {
 26298  			v_0 := b.Controls[0]
 26299  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26300  			if !(fc.ult()) {
 26301  				break
 26302  			}
 26303  			b.Reset(BlockFirst)
 26304  			return true
 26305  		}
 26306  		// match: (ULT (FlagConstant [fc]) yes no)
 26307  		// cond: !fc.ult()
 26308  		// result: (First no yes)
 26309  		for b.Controls[0].Op == OpARM64FlagConstant {
 26310  			v_0 := b.Controls[0]
 26311  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26312  			if !(!fc.ult()) {
 26313  				break
 26314  			}
 26315  			b.Reset(BlockFirst)
 26316  			b.swapSuccessors()
 26317  			return true
 26318  		}
 26319  		// match: (ULT (InvertFlags cmp) yes no)
 26320  		// result: (UGT cmp yes no)
 26321  		for b.Controls[0].Op == OpARM64InvertFlags {
 26322  			v_0 := b.Controls[0]
 26323  			cmp := v_0.Args[0]
 26324  			b.resetWithControl(BlockARM64UGT, cmp)
 26325  			return true
 26326  		}
 26327  	case BlockARM64Z:
 26328  		// match: (Z (ANDconst [c] x) yes no)
 26329  		// cond: oneBit(c)
 26330  		// result: (TBZ [int64(ntz64(c))] x yes no)
 26331  		for b.Controls[0].Op == OpARM64ANDconst {
 26332  			v_0 := b.Controls[0]
 26333  			c := auxIntToInt64(v_0.AuxInt)
 26334  			x := v_0.Args[0]
 26335  			if !(oneBit(c)) {
 26336  				break
 26337  			}
 26338  			b.resetWithControl(BlockARM64TBZ, x)
 26339  			b.AuxInt = int64ToAuxInt(int64(ntz64(c)))
 26340  			return true
 26341  		}
 26342  		// match: (Z (MOVDconst [0]) yes no)
 26343  		// result: (First yes no)
 26344  		for b.Controls[0].Op == OpARM64MOVDconst {
 26345  			v_0 := b.Controls[0]
 26346  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26347  				break
 26348  			}
 26349  			b.Reset(BlockFirst)
 26350  			return true
 26351  		}
 26352  		// match: (Z (MOVDconst [c]) yes no)
 26353  		// cond: c != 0
 26354  		// result: (First no yes)
 26355  		for b.Controls[0].Op == OpARM64MOVDconst {
 26356  			v_0 := b.Controls[0]
 26357  			c := auxIntToInt64(v_0.AuxInt)
 26358  			if !(c != 0) {
 26359  				break
 26360  			}
 26361  			b.Reset(BlockFirst)
 26362  			b.swapSuccessors()
 26363  			return true
 26364  		}
 26365  	case BlockARM64ZW:
 26366  		// match: (ZW (ANDconst [c] x) yes no)
 26367  		// cond: oneBit(int64(uint32(c)))
 26368  		// result: (TBZ [int64(ntz64(int64(uint32(c))))] x yes no)
 26369  		for b.Controls[0].Op == OpARM64ANDconst {
 26370  			v_0 := b.Controls[0]
 26371  			c := auxIntToInt64(v_0.AuxInt)
 26372  			x := v_0.Args[0]
 26373  			if !(oneBit(int64(uint32(c)))) {
 26374  				break
 26375  			}
 26376  			b.resetWithControl(BlockARM64TBZ, x)
 26377  			b.AuxInt = int64ToAuxInt(int64(ntz64(int64(uint32(c)))))
 26378  			return true
 26379  		}
 26380  		// match: (ZW (MOVDconst [c]) yes no)
 26381  		// cond: int32(c) == 0
 26382  		// result: (First yes no)
 26383  		for b.Controls[0].Op == OpARM64MOVDconst {
 26384  			v_0 := b.Controls[0]
 26385  			c := auxIntToInt64(v_0.AuxInt)
 26386  			if !(int32(c) == 0) {
 26387  				break
 26388  			}
 26389  			b.Reset(BlockFirst)
 26390  			return true
 26391  		}
 26392  		// match: (ZW (MOVDconst [c]) yes no)
 26393  		// cond: int32(c) != 0
 26394  		// result: (First no yes)
 26395  		for b.Controls[0].Op == OpARM64MOVDconst {
 26396  			v_0 := b.Controls[0]
 26397  			c := auxIntToInt64(v_0.AuxInt)
 26398  			if !(int32(c) != 0) {
 26399  				break
 26400  			}
 26401  			b.Reset(BlockFirst)
 26402  			b.swapSuccessors()
 26403  			return true
 26404  		}
 26405  	}
 26406  	return false
 26407  }
 26408