github.com/bir3/gocompiler@v0.9.2202/src/cmd/compile/internal/ssa/rewriteARM64.go (about)

     1  // Code generated from _gen/ARM64.rules using 'go generate'; DO NOT EDIT.
     2  
     3  package ssa
     4  
     5  import "github.com/bir3/gocompiler/src/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  		return rewriteValueARM64_OpAtomicAnd32(v)
   474  	case OpAtomicAnd32Variant:
   475  		return rewriteValueARM64_OpAtomicAnd32Variant(v)
   476  	case OpAtomicAnd8:
   477  		return rewriteValueARM64_OpAtomicAnd8(v)
   478  	case OpAtomicAnd8Variant:
   479  		return rewriteValueARM64_OpAtomicAnd8Variant(v)
   480  	case OpAtomicCompareAndSwap32:
   481  		v.Op = OpARM64LoweredAtomicCas32
   482  		return true
   483  	case OpAtomicCompareAndSwap32Variant:
   484  		v.Op = OpARM64LoweredAtomicCas32Variant
   485  		return true
   486  	case OpAtomicCompareAndSwap64:
   487  		v.Op = OpARM64LoweredAtomicCas64
   488  		return true
   489  	case OpAtomicCompareAndSwap64Variant:
   490  		v.Op = OpARM64LoweredAtomicCas64Variant
   491  		return true
   492  	case OpAtomicExchange32:
   493  		v.Op = OpARM64LoweredAtomicExchange32
   494  		return true
   495  	case OpAtomicExchange32Variant:
   496  		v.Op = OpARM64LoweredAtomicExchange32Variant
   497  		return true
   498  	case OpAtomicExchange64:
   499  		v.Op = OpARM64LoweredAtomicExchange64
   500  		return true
   501  	case OpAtomicExchange64Variant:
   502  		v.Op = OpARM64LoweredAtomicExchange64Variant
   503  		return true
   504  	case OpAtomicLoad32:
   505  		v.Op = OpARM64LDARW
   506  		return true
   507  	case OpAtomicLoad64:
   508  		v.Op = OpARM64LDAR
   509  		return true
   510  	case OpAtomicLoad8:
   511  		v.Op = OpARM64LDARB
   512  		return true
   513  	case OpAtomicLoadPtr:
   514  		v.Op = OpARM64LDAR
   515  		return true
   516  	case OpAtomicOr32:
   517  		return rewriteValueARM64_OpAtomicOr32(v)
   518  	case OpAtomicOr32Variant:
   519  		return rewriteValueARM64_OpAtomicOr32Variant(v)
   520  	case OpAtomicOr8:
   521  		return rewriteValueARM64_OpAtomicOr8(v)
   522  	case OpAtomicOr8Variant:
   523  		return rewriteValueARM64_OpAtomicOr8Variant(v)
   524  	case OpAtomicStore32:
   525  		v.Op = OpARM64STLRW
   526  		return true
   527  	case OpAtomicStore64:
   528  		v.Op = OpARM64STLR
   529  		return true
   530  	case OpAtomicStore8:
   531  		v.Op = OpARM64STLRB
   532  		return true
   533  	case OpAtomicStorePtrNoWB:
   534  		v.Op = OpARM64STLR
   535  		return true
   536  	case OpAvg64u:
   537  		return rewriteValueARM64_OpAvg64u(v)
   538  	case OpBitLen32:
   539  		return rewriteValueARM64_OpBitLen32(v)
   540  	case OpBitLen64:
   541  		return rewriteValueARM64_OpBitLen64(v)
   542  	case OpBitRev16:
   543  		return rewriteValueARM64_OpBitRev16(v)
   544  	case OpBitRev32:
   545  		v.Op = OpARM64RBITW
   546  		return true
   547  	case OpBitRev64:
   548  		v.Op = OpARM64RBIT
   549  		return true
   550  	case OpBitRev8:
   551  		return rewriteValueARM64_OpBitRev8(v)
   552  	case OpBswap16:
   553  		v.Op = OpARM64REV16W
   554  		return true
   555  	case OpBswap32:
   556  		v.Op = OpARM64REVW
   557  		return true
   558  	case OpBswap64:
   559  		v.Op = OpARM64REV
   560  		return true
   561  	case OpCeil:
   562  		v.Op = OpARM64FRINTPD
   563  		return true
   564  	case OpClosureCall:
   565  		v.Op = OpARM64CALLclosure
   566  		return true
   567  	case OpCom16:
   568  		v.Op = OpARM64MVN
   569  		return true
   570  	case OpCom32:
   571  		v.Op = OpARM64MVN
   572  		return true
   573  	case OpCom64:
   574  		v.Op = OpARM64MVN
   575  		return true
   576  	case OpCom8:
   577  		v.Op = OpARM64MVN
   578  		return true
   579  	case OpCondSelect:
   580  		return rewriteValueARM64_OpCondSelect(v)
   581  	case OpConst16:
   582  		return rewriteValueARM64_OpConst16(v)
   583  	case OpConst32:
   584  		return rewriteValueARM64_OpConst32(v)
   585  	case OpConst32F:
   586  		return rewriteValueARM64_OpConst32F(v)
   587  	case OpConst64:
   588  		return rewriteValueARM64_OpConst64(v)
   589  	case OpConst64F:
   590  		return rewriteValueARM64_OpConst64F(v)
   591  	case OpConst8:
   592  		return rewriteValueARM64_OpConst8(v)
   593  	case OpConstBool:
   594  		return rewriteValueARM64_OpConstBool(v)
   595  	case OpConstNil:
   596  		return rewriteValueARM64_OpConstNil(v)
   597  	case OpCtz16:
   598  		return rewriteValueARM64_OpCtz16(v)
   599  	case OpCtz16NonZero:
   600  		v.Op = OpCtz32
   601  		return true
   602  	case OpCtz32:
   603  		return rewriteValueARM64_OpCtz32(v)
   604  	case OpCtz32NonZero:
   605  		v.Op = OpCtz32
   606  		return true
   607  	case OpCtz64:
   608  		return rewriteValueARM64_OpCtz64(v)
   609  	case OpCtz64NonZero:
   610  		v.Op = OpCtz64
   611  		return true
   612  	case OpCtz8:
   613  		return rewriteValueARM64_OpCtz8(v)
   614  	case OpCtz8NonZero:
   615  		v.Op = OpCtz32
   616  		return true
   617  	case OpCvt32Fto32:
   618  		v.Op = OpARM64FCVTZSSW
   619  		return true
   620  	case OpCvt32Fto32U:
   621  		v.Op = OpARM64FCVTZUSW
   622  		return true
   623  	case OpCvt32Fto64:
   624  		v.Op = OpARM64FCVTZSS
   625  		return true
   626  	case OpCvt32Fto64F:
   627  		v.Op = OpARM64FCVTSD
   628  		return true
   629  	case OpCvt32Fto64U:
   630  		v.Op = OpARM64FCVTZUS
   631  		return true
   632  	case OpCvt32Uto32F:
   633  		v.Op = OpARM64UCVTFWS
   634  		return true
   635  	case OpCvt32Uto64F:
   636  		v.Op = OpARM64UCVTFWD
   637  		return true
   638  	case OpCvt32to32F:
   639  		v.Op = OpARM64SCVTFWS
   640  		return true
   641  	case OpCvt32to64F:
   642  		v.Op = OpARM64SCVTFWD
   643  		return true
   644  	case OpCvt64Fto32:
   645  		v.Op = OpARM64FCVTZSDW
   646  		return true
   647  	case OpCvt64Fto32F:
   648  		v.Op = OpARM64FCVTDS
   649  		return true
   650  	case OpCvt64Fto32U:
   651  		v.Op = OpARM64FCVTZUDW
   652  		return true
   653  	case OpCvt64Fto64:
   654  		v.Op = OpARM64FCVTZSD
   655  		return true
   656  	case OpCvt64Fto64U:
   657  		v.Op = OpARM64FCVTZUD
   658  		return true
   659  	case OpCvt64Uto32F:
   660  		v.Op = OpARM64UCVTFS
   661  		return true
   662  	case OpCvt64Uto64F:
   663  		v.Op = OpARM64UCVTFD
   664  		return true
   665  	case OpCvt64to32F:
   666  		v.Op = OpARM64SCVTFS
   667  		return true
   668  	case OpCvt64to64F:
   669  		v.Op = OpARM64SCVTFD
   670  		return true
   671  	case OpCvtBoolToUint8:
   672  		v.Op = OpCopy
   673  		return true
   674  	case OpDiv16:
   675  		return rewriteValueARM64_OpDiv16(v)
   676  	case OpDiv16u:
   677  		return rewriteValueARM64_OpDiv16u(v)
   678  	case OpDiv32:
   679  		return rewriteValueARM64_OpDiv32(v)
   680  	case OpDiv32F:
   681  		v.Op = OpARM64FDIVS
   682  		return true
   683  	case OpDiv32u:
   684  		v.Op = OpARM64UDIVW
   685  		return true
   686  	case OpDiv64:
   687  		return rewriteValueARM64_OpDiv64(v)
   688  	case OpDiv64F:
   689  		v.Op = OpARM64FDIVD
   690  		return true
   691  	case OpDiv64u:
   692  		v.Op = OpARM64UDIV
   693  		return true
   694  	case OpDiv8:
   695  		return rewriteValueARM64_OpDiv8(v)
   696  	case OpDiv8u:
   697  		return rewriteValueARM64_OpDiv8u(v)
   698  	case OpEq16:
   699  		return rewriteValueARM64_OpEq16(v)
   700  	case OpEq32:
   701  		return rewriteValueARM64_OpEq32(v)
   702  	case OpEq32F:
   703  		return rewriteValueARM64_OpEq32F(v)
   704  	case OpEq64:
   705  		return rewriteValueARM64_OpEq64(v)
   706  	case OpEq64F:
   707  		return rewriteValueARM64_OpEq64F(v)
   708  	case OpEq8:
   709  		return rewriteValueARM64_OpEq8(v)
   710  	case OpEqB:
   711  		return rewriteValueARM64_OpEqB(v)
   712  	case OpEqPtr:
   713  		return rewriteValueARM64_OpEqPtr(v)
   714  	case OpFMA:
   715  		return rewriteValueARM64_OpFMA(v)
   716  	case OpFloor:
   717  		v.Op = OpARM64FRINTMD
   718  		return true
   719  	case OpGetCallerPC:
   720  		v.Op = OpARM64LoweredGetCallerPC
   721  		return true
   722  	case OpGetCallerSP:
   723  		v.Op = OpARM64LoweredGetCallerSP
   724  		return true
   725  	case OpGetClosurePtr:
   726  		v.Op = OpARM64LoweredGetClosurePtr
   727  		return true
   728  	case OpHmul32:
   729  		return rewriteValueARM64_OpHmul32(v)
   730  	case OpHmul32u:
   731  		return rewriteValueARM64_OpHmul32u(v)
   732  	case OpHmul64:
   733  		v.Op = OpARM64MULH
   734  		return true
   735  	case OpHmul64u:
   736  		v.Op = OpARM64UMULH
   737  		return true
   738  	case OpInterCall:
   739  		v.Op = OpARM64CALLinter
   740  		return true
   741  	case OpIsInBounds:
   742  		return rewriteValueARM64_OpIsInBounds(v)
   743  	case OpIsNonNil:
   744  		return rewriteValueARM64_OpIsNonNil(v)
   745  	case OpIsSliceInBounds:
   746  		return rewriteValueARM64_OpIsSliceInBounds(v)
   747  	case OpLeq16:
   748  		return rewriteValueARM64_OpLeq16(v)
   749  	case OpLeq16U:
   750  		return rewriteValueARM64_OpLeq16U(v)
   751  	case OpLeq32:
   752  		return rewriteValueARM64_OpLeq32(v)
   753  	case OpLeq32F:
   754  		return rewriteValueARM64_OpLeq32F(v)
   755  	case OpLeq32U:
   756  		return rewriteValueARM64_OpLeq32U(v)
   757  	case OpLeq64:
   758  		return rewriteValueARM64_OpLeq64(v)
   759  	case OpLeq64F:
   760  		return rewriteValueARM64_OpLeq64F(v)
   761  	case OpLeq64U:
   762  		return rewriteValueARM64_OpLeq64U(v)
   763  	case OpLeq8:
   764  		return rewriteValueARM64_OpLeq8(v)
   765  	case OpLeq8U:
   766  		return rewriteValueARM64_OpLeq8U(v)
   767  	case OpLess16:
   768  		return rewriteValueARM64_OpLess16(v)
   769  	case OpLess16U:
   770  		return rewriteValueARM64_OpLess16U(v)
   771  	case OpLess32:
   772  		return rewriteValueARM64_OpLess32(v)
   773  	case OpLess32F:
   774  		return rewriteValueARM64_OpLess32F(v)
   775  	case OpLess32U:
   776  		return rewriteValueARM64_OpLess32U(v)
   777  	case OpLess64:
   778  		return rewriteValueARM64_OpLess64(v)
   779  	case OpLess64F:
   780  		return rewriteValueARM64_OpLess64F(v)
   781  	case OpLess64U:
   782  		return rewriteValueARM64_OpLess64U(v)
   783  	case OpLess8:
   784  		return rewriteValueARM64_OpLess8(v)
   785  	case OpLess8U:
   786  		return rewriteValueARM64_OpLess8U(v)
   787  	case OpLoad:
   788  		return rewriteValueARM64_OpLoad(v)
   789  	case OpLocalAddr:
   790  		return rewriteValueARM64_OpLocalAddr(v)
   791  	case OpLsh16x16:
   792  		return rewriteValueARM64_OpLsh16x16(v)
   793  	case OpLsh16x32:
   794  		return rewriteValueARM64_OpLsh16x32(v)
   795  	case OpLsh16x64:
   796  		return rewriteValueARM64_OpLsh16x64(v)
   797  	case OpLsh16x8:
   798  		return rewriteValueARM64_OpLsh16x8(v)
   799  	case OpLsh32x16:
   800  		return rewriteValueARM64_OpLsh32x16(v)
   801  	case OpLsh32x32:
   802  		return rewriteValueARM64_OpLsh32x32(v)
   803  	case OpLsh32x64:
   804  		return rewriteValueARM64_OpLsh32x64(v)
   805  	case OpLsh32x8:
   806  		return rewriteValueARM64_OpLsh32x8(v)
   807  	case OpLsh64x16:
   808  		return rewriteValueARM64_OpLsh64x16(v)
   809  	case OpLsh64x32:
   810  		return rewriteValueARM64_OpLsh64x32(v)
   811  	case OpLsh64x64:
   812  		return rewriteValueARM64_OpLsh64x64(v)
   813  	case OpLsh64x8:
   814  		return rewriteValueARM64_OpLsh64x8(v)
   815  	case OpLsh8x16:
   816  		return rewriteValueARM64_OpLsh8x16(v)
   817  	case OpLsh8x32:
   818  		return rewriteValueARM64_OpLsh8x32(v)
   819  	case OpLsh8x64:
   820  		return rewriteValueARM64_OpLsh8x64(v)
   821  	case OpLsh8x8:
   822  		return rewriteValueARM64_OpLsh8x8(v)
   823  	case OpMax32F:
   824  		v.Op = OpARM64FMAXS
   825  		return true
   826  	case OpMax64F:
   827  		v.Op = OpARM64FMAXD
   828  		return true
   829  	case OpMin32F:
   830  		v.Op = OpARM64FMINS
   831  		return true
   832  	case OpMin64F:
   833  		v.Op = OpARM64FMIND
   834  		return true
   835  	case OpMod16:
   836  		return rewriteValueARM64_OpMod16(v)
   837  	case OpMod16u:
   838  		return rewriteValueARM64_OpMod16u(v)
   839  	case OpMod32:
   840  		return rewriteValueARM64_OpMod32(v)
   841  	case OpMod32u:
   842  		v.Op = OpARM64UMODW
   843  		return true
   844  	case OpMod64:
   845  		return rewriteValueARM64_OpMod64(v)
   846  	case OpMod64u:
   847  		v.Op = OpARM64UMOD
   848  		return true
   849  	case OpMod8:
   850  		return rewriteValueARM64_OpMod8(v)
   851  	case OpMod8u:
   852  		return rewriteValueARM64_OpMod8u(v)
   853  	case OpMove:
   854  		return rewriteValueARM64_OpMove(v)
   855  	case OpMul16:
   856  		v.Op = OpARM64MULW
   857  		return true
   858  	case OpMul32:
   859  		v.Op = OpARM64MULW
   860  		return true
   861  	case OpMul32F:
   862  		v.Op = OpARM64FMULS
   863  		return true
   864  	case OpMul64:
   865  		v.Op = OpARM64MUL
   866  		return true
   867  	case OpMul64F:
   868  		v.Op = OpARM64FMULD
   869  		return true
   870  	case OpMul8:
   871  		v.Op = OpARM64MULW
   872  		return true
   873  	case OpNeg16:
   874  		v.Op = OpARM64NEG
   875  		return true
   876  	case OpNeg32:
   877  		v.Op = OpARM64NEG
   878  		return true
   879  	case OpNeg32F:
   880  		v.Op = OpARM64FNEGS
   881  		return true
   882  	case OpNeg64:
   883  		v.Op = OpARM64NEG
   884  		return true
   885  	case OpNeg64F:
   886  		v.Op = OpARM64FNEGD
   887  		return true
   888  	case OpNeg8:
   889  		v.Op = OpARM64NEG
   890  		return true
   891  	case OpNeq16:
   892  		return rewriteValueARM64_OpNeq16(v)
   893  	case OpNeq32:
   894  		return rewriteValueARM64_OpNeq32(v)
   895  	case OpNeq32F:
   896  		return rewriteValueARM64_OpNeq32F(v)
   897  	case OpNeq64:
   898  		return rewriteValueARM64_OpNeq64(v)
   899  	case OpNeq64F:
   900  		return rewriteValueARM64_OpNeq64F(v)
   901  	case OpNeq8:
   902  		return rewriteValueARM64_OpNeq8(v)
   903  	case OpNeqB:
   904  		v.Op = OpARM64XOR
   905  		return true
   906  	case OpNeqPtr:
   907  		return rewriteValueARM64_OpNeqPtr(v)
   908  	case OpNilCheck:
   909  		v.Op = OpARM64LoweredNilCheck
   910  		return true
   911  	case OpNot:
   912  		return rewriteValueARM64_OpNot(v)
   913  	case OpOffPtr:
   914  		return rewriteValueARM64_OpOffPtr(v)
   915  	case OpOr16:
   916  		v.Op = OpARM64OR
   917  		return true
   918  	case OpOr32:
   919  		v.Op = OpARM64OR
   920  		return true
   921  	case OpOr64:
   922  		v.Op = OpARM64OR
   923  		return true
   924  	case OpOr8:
   925  		v.Op = OpARM64OR
   926  		return true
   927  	case OpOrB:
   928  		v.Op = OpARM64OR
   929  		return true
   930  	case OpPanicBounds:
   931  		return rewriteValueARM64_OpPanicBounds(v)
   932  	case OpPopCount16:
   933  		return rewriteValueARM64_OpPopCount16(v)
   934  	case OpPopCount32:
   935  		return rewriteValueARM64_OpPopCount32(v)
   936  	case OpPopCount64:
   937  		return rewriteValueARM64_OpPopCount64(v)
   938  	case OpPrefetchCache:
   939  		return rewriteValueARM64_OpPrefetchCache(v)
   940  	case OpPrefetchCacheStreamed:
   941  		return rewriteValueARM64_OpPrefetchCacheStreamed(v)
   942  	case OpPubBarrier:
   943  		return rewriteValueARM64_OpPubBarrier(v)
   944  	case OpRotateLeft16:
   945  		return rewriteValueARM64_OpRotateLeft16(v)
   946  	case OpRotateLeft32:
   947  		return rewriteValueARM64_OpRotateLeft32(v)
   948  	case OpRotateLeft64:
   949  		return rewriteValueARM64_OpRotateLeft64(v)
   950  	case OpRotateLeft8:
   951  		return rewriteValueARM64_OpRotateLeft8(v)
   952  	case OpRound:
   953  		v.Op = OpARM64FRINTAD
   954  		return true
   955  	case OpRound32F:
   956  		v.Op = OpARM64LoweredRound32F
   957  		return true
   958  	case OpRound64F:
   959  		v.Op = OpARM64LoweredRound64F
   960  		return true
   961  	case OpRoundToEven:
   962  		v.Op = OpARM64FRINTND
   963  		return true
   964  	case OpRsh16Ux16:
   965  		return rewriteValueARM64_OpRsh16Ux16(v)
   966  	case OpRsh16Ux32:
   967  		return rewriteValueARM64_OpRsh16Ux32(v)
   968  	case OpRsh16Ux64:
   969  		return rewriteValueARM64_OpRsh16Ux64(v)
   970  	case OpRsh16Ux8:
   971  		return rewriteValueARM64_OpRsh16Ux8(v)
   972  	case OpRsh16x16:
   973  		return rewriteValueARM64_OpRsh16x16(v)
   974  	case OpRsh16x32:
   975  		return rewriteValueARM64_OpRsh16x32(v)
   976  	case OpRsh16x64:
   977  		return rewriteValueARM64_OpRsh16x64(v)
   978  	case OpRsh16x8:
   979  		return rewriteValueARM64_OpRsh16x8(v)
   980  	case OpRsh32Ux16:
   981  		return rewriteValueARM64_OpRsh32Ux16(v)
   982  	case OpRsh32Ux32:
   983  		return rewriteValueARM64_OpRsh32Ux32(v)
   984  	case OpRsh32Ux64:
   985  		return rewriteValueARM64_OpRsh32Ux64(v)
   986  	case OpRsh32Ux8:
   987  		return rewriteValueARM64_OpRsh32Ux8(v)
   988  	case OpRsh32x16:
   989  		return rewriteValueARM64_OpRsh32x16(v)
   990  	case OpRsh32x32:
   991  		return rewriteValueARM64_OpRsh32x32(v)
   992  	case OpRsh32x64:
   993  		return rewriteValueARM64_OpRsh32x64(v)
   994  	case OpRsh32x8:
   995  		return rewriteValueARM64_OpRsh32x8(v)
   996  	case OpRsh64Ux16:
   997  		return rewriteValueARM64_OpRsh64Ux16(v)
   998  	case OpRsh64Ux32:
   999  		return rewriteValueARM64_OpRsh64Ux32(v)
  1000  	case OpRsh64Ux64:
  1001  		return rewriteValueARM64_OpRsh64Ux64(v)
  1002  	case OpRsh64Ux8:
  1003  		return rewriteValueARM64_OpRsh64Ux8(v)
  1004  	case OpRsh64x16:
  1005  		return rewriteValueARM64_OpRsh64x16(v)
  1006  	case OpRsh64x32:
  1007  		return rewriteValueARM64_OpRsh64x32(v)
  1008  	case OpRsh64x64:
  1009  		return rewriteValueARM64_OpRsh64x64(v)
  1010  	case OpRsh64x8:
  1011  		return rewriteValueARM64_OpRsh64x8(v)
  1012  	case OpRsh8Ux16:
  1013  		return rewriteValueARM64_OpRsh8Ux16(v)
  1014  	case OpRsh8Ux32:
  1015  		return rewriteValueARM64_OpRsh8Ux32(v)
  1016  	case OpRsh8Ux64:
  1017  		return rewriteValueARM64_OpRsh8Ux64(v)
  1018  	case OpRsh8Ux8:
  1019  		return rewriteValueARM64_OpRsh8Ux8(v)
  1020  	case OpRsh8x16:
  1021  		return rewriteValueARM64_OpRsh8x16(v)
  1022  	case OpRsh8x32:
  1023  		return rewriteValueARM64_OpRsh8x32(v)
  1024  	case OpRsh8x64:
  1025  		return rewriteValueARM64_OpRsh8x64(v)
  1026  	case OpRsh8x8:
  1027  		return rewriteValueARM64_OpRsh8x8(v)
  1028  	case OpSelect0:
  1029  		return rewriteValueARM64_OpSelect0(v)
  1030  	case OpSelect1:
  1031  		return rewriteValueARM64_OpSelect1(v)
  1032  	case OpSelectN:
  1033  		return rewriteValueARM64_OpSelectN(v)
  1034  	case OpSignExt16to32:
  1035  		v.Op = OpARM64MOVHreg
  1036  		return true
  1037  	case OpSignExt16to64:
  1038  		v.Op = OpARM64MOVHreg
  1039  		return true
  1040  	case OpSignExt32to64:
  1041  		v.Op = OpARM64MOVWreg
  1042  		return true
  1043  	case OpSignExt8to16:
  1044  		v.Op = OpARM64MOVBreg
  1045  		return true
  1046  	case OpSignExt8to32:
  1047  		v.Op = OpARM64MOVBreg
  1048  		return true
  1049  	case OpSignExt8to64:
  1050  		v.Op = OpARM64MOVBreg
  1051  		return true
  1052  	case OpSlicemask:
  1053  		return rewriteValueARM64_OpSlicemask(v)
  1054  	case OpSqrt:
  1055  		v.Op = OpARM64FSQRTD
  1056  		return true
  1057  	case OpSqrt32:
  1058  		v.Op = OpARM64FSQRTS
  1059  		return true
  1060  	case OpStaticCall:
  1061  		v.Op = OpARM64CALLstatic
  1062  		return true
  1063  	case OpStore:
  1064  		return rewriteValueARM64_OpStore(v)
  1065  	case OpSub16:
  1066  		v.Op = OpARM64SUB
  1067  		return true
  1068  	case OpSub32:
  1069  		v.Op = OpARM64SUB
  1070  		return true
  1071  	case OpSub32F:
  1072  		v.Op = OpARM64FSUBS
  1073  		return true
  1074  	case OpSub64:
  1075  		v.Op = OpARM64SUB
  1076  		return true
  1077  	case OpSub64F:
  1078  		v.Op = OpARM64FSUBD
  1079  		return true
  1080  	case OpSub8:
  1081  		v.Op = OpARM64SUB
  1082  		return true
  1083  	case OpSubPtr:
  1084  		v.Op = OpARM64SUB
  1085  		return true
  1086  	case OpTailCall:
  1087  		v.Op = OpARM64CALLtail
  1088  		return true
  1089  	case OpTrunc:
  1090  		v.Op = OpARM64FRINTZD
  1091  		return true
  1092  	case OpTrunc16to8:
  1093  		v.Op = OpCopy
  1094  		return true
  1095  	case OpTrunc32to16:
  1096  		v.Op = OpCopy
  1097  		return true
  1098  	case OpTrunc32to8:
  1099  		v.Op = OpCopy
  1100  		return true
  1101  	case OpTrunc64to16:
  1102  		v.Op = OpCopy
  1103  		return true
  1104  	case OpTrunc64to32:
  1105  		v.Op = OpCopy
  1106  		return true
  1107  	case OpTrunc64to8:
  1108  		v.Op = OpCopy
  1109  		return true
  1110  	case OpWB:
  1111  		v.Op = OpARM64LoweredWB
  1112  		return true
  1113  	case OpXor16:
  1114  		v.Op = OpARM64XOR
  1115  		return true
  1116  	case OpXor32:
  1117  		v.Op = OpARM64XOR
  1118  		return true
  1119  	case OpXor64:
  1120  		v.Op = OpARM64XOR
  1121  		return true
  1122  	case OpXor8:
  1123  		v.Op = OpARM64XOR
  1124  		return true
  1125  	case OpZero:
  1126  		return rewriteValueARM64_OpZero(v)
  1127  	case OpZeroExt16to32:
  1128  		v.Op = OpARM64MOVHUreg
  1129  		return true
  1130  	case OpZeroExt16to64:
  1131  		v.Op = OpARM64MOVHUreg
  1132  		return true
  1133  	case OpZeroExt32to64:
  1134  		v.Op = OpARM64MOVWUreg
  1135  		return true
  1136  	case OpZeroExt8to16:
  1137  		v.Op = OpARM64MOVBUreg
  1138  		return true
  1139  	case OpZeroExt8to32:
  1140  		v.Op = OpARM64MOVBUreg
  1141  		return true
  1142  	case OpZeroExt8to64:
  1143  		v.Op = OpARM64MOVBUreg
  1144  		return true
  1145  	}
  1146  	return false
  1147  }
  1148  func rewriteValueARM64_OpARM64ADCSflags(v *Value) bool {
  1149  	v_2 := v.Args[2]
  1150  	v_1 := v.Args[1]
  1151  	v_0 := v.Args[0]
  1152  	b := v.Block
  1153  	typ := &b.Func.Config.Types
  1154  	// match: (ADCSflags x y (Select1 <types.TypeFlags> (ADDSconstflags [-1] (ADCzerocarry <typ.UInt64> c))))
  1155  	// result: (ADCSflags x y c)
  1156  	for {
  1157  		x := v_0
  1158  		y := v_1
  1159  		if v_2.Op != OpSelect1 || v_2.Type != types.TypeFlags {
  1160  			break
  1161  		}
  1162  		v_2_0 := v_2.Args[0]
  1163  		if v_2_0.Op != OpARM64ADDSconstflags || auxIntToInt64(v_2_0.AuxInt) != -1 {
  1164  			break
  1165  		}
  1166  		v_2_0_0 := v_2_0.Args[0]
  1167  		if v_2_0_0.Op != OpARM64ADCzerocarry || v_2_0_0.Type != typ.UInt64 {
  1168  			break
  1169  		}
  1170  		c := v_2_0_0.Args[0]
  1171  		v.reset(OpARM64ADCSflags)
  1172  		v.AddArg3(x, y, c)
  1173  		return true
  1174  	}
  1175  	// match: (ADCSflags x y (Select1 <types.TypeFlags> (ADDSconstflags [-1] (MOVDconst [0]))))
  1176  	// result: (ADDSflags x y)
  1177  	for {
  1178  		x := v_0
  1179  		y := v_1
  1180  		if v_2.Op != OpSelect1 || v_2.Type != types.TypeFlags {
  1181  			break
  1182  		}
  1183  		v_2_0 := v_2.Args[0]
  1184  		if v_2_0.Op != OpARM64ADDSconstflags || auxIntToInt64(v_2_0.AuxInt) != -1 {
  1185  			break
  1186  		}
  1187  		v_2_0_0 := v_2_0.Args[0]
  1188  		if v_2_0_0.Op != OpARM64MOVDconst || auxIntToInt64(v_2_0_0.AuxInt) != 0 {
  1189  			break
  1190  		}
  1191  		v.reset(OpARM64ADDSflags)
  1192  		v.AddArg2(x, y)
  1193  		return true
  1194  	}
  1195  	return false
  1196  }
  1197  func rewriteValueARM64_OpARM64ADD(v *Value) bool {
  1198  	v_1 := v.Args[1]
  1199  	v_0 := v.Args[0]
  1200  	// match: (ADD x (MOVDconst <t> [c]))
  1201  	// cond: !t.IsPtr()
  1202  	// result: (ADDconst [c] x)
  1203  	for {
  1204  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1205  			x := v_0
  1206  			if v_1.Op != OpARM64MOVDconst {
  1207  				continue
  1208  			}
  1209  			t := v_1.Type
  1210  			c := auxIntToInt64(v_1.AuxInt)
  1211  			if !(!t.IsPtr()) {
  1212  				continue
  1213  			}
  1214  			v.reset(OpARM64ADDconst)
  1215  			v.AuxInt = int64ToAuxInt(c)
  1216  			v.AddArg(x)
  1217  			return true
  1218  		}
  1219  		break
  1220  	}
  1221  	// match: (ADD a l:(MUL x y))
  1222  	// cond: l.Uses==1 && clobber(l)
  1223  	// result: (MADD a x y)
  1224  	for {
  1225  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1226  			a := v_0
  1227  			l := v_1
  1228  			if l.Op != OpARM64MUL {
  1229  				continue
  1230  			}
  1231  			y := l.Args[1]
  1232  			x := l.Args[0]
  1233  			if !(l.Uses == 1 && clobber(l)) {
  1234  				continue
  1235  			}
  1236  			v.reset(OpARM64MADD)
  1237  			v.AddArg3(a, x, y)
  1238  			return true
  1239  		}
  1240  		break
  1241  	}
  1242  	// match: (ADD a l:(MNEG x y))
  1243  	// cond: l.Uses==1 && clobber(l)
  1244  	// result: (MSUB a x y)
  1245  	for {
  1246  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1247  			a := v_0
  1248  			l := v_1
  1249  			if l.Op != OpARM64MNEG {
  1250  				continue
  1251  			}
  1252  			y := l.Args[1]
  1253  			x := l.Args[0]
  1254  			if !(l.Uses == 1 && clobber(l)) {
  1255  				continue
  1256  			}
  1257  			v.reset(OpARM64MSUB)
  1258  			v.AddArg3(a, x, y)
  1259  			return true
  1260  		}
  1261  		break
  1262  	}
  1263  	// match: (ADD a l:(MULW x y))
  1264  	// cond: v.Type.Size() <= 4 && l.Uses==1 && clobber(l)
  1265  	// result: (MADDW a x y)
  1266  	for {
  1267  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1268  			a := v_0
  1269  			l := v_1
  1270  			if l.Op != OpARM64MULW {
  1271  				continue
  1272  			}
  1273  			y := l.Args[1]
  1274  			x := l.Args[0]
  1275  			if !(v.Type.Size() <= 4 && l.Uses == 1 && clobber(l)) {
  1276  				continue
  1277  			}
  1278  			v.reset(OpARM64MADDW)
  1279  			v.AddArg3(a, x, y)
  1280  			return true
  1281  		}
  1282  		break
  1283  	}
  1284  	// match: (ADD a l:(MNEGW x y))
  1285  	// cond: v.Type.Size() <= 4 && l.Uses==1 && clobber(l)
  1286  	// result: (MSUBW a x y)
  1287  	for {
  1288  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1289  			a := v_0
  1290  			l := v_1
  1291  			if l.Op != OpARM64MNEGW {
  1292  				continue
  1293  			}
  1294  			y := l.Args[1]
  1295  			x := l.Args[0]
  1296  			if !(v.Type.Size() <= 4 && l.Uses == 1 && clobber(l)) {
  1297  				continue
  1298  			}
  1299  			v.reset(OpARM64MSUBW)
  1300  			v.AddArg3(a, x, y)
  1301  			return true
  1302  		}
  1303  		break
  1304  	}
  1305  	// match: (ADD x (NEG y))
  1306  	// result: (SUB x y)
  1307  	for {
  1308  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1309  			x := v_0
  1310  			if v_1.Op != OpARM64NEG {
  1311  				continue
  1312  			}
  1313  			y := v_1.Args[0]
  1314  			v.reset(OpARM64SUB)
  1315  			v.AddArg2(x, y)
  1316  			return true
  1317  		}
  1318  		break
  1319  	}
  1320  	// match: (ADD x0 x1:(SLLconst [c] y))
  1321  	// cond: clobberIfDead(x1)
  1322  	// result: (ADDshiftLL x0 y [c])
  1323  	for {
  1324  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1325  			x0 := v_0
  1326  			x1 := v_1
  1327  			if x1.Op != OpARM64SLLconst {
  1328  				continue
  1329  			}
  1330  			c := auxIntToInt64(x1.AuxInt)
  1331  			y := x1.Args[0]
  1332  			if !(clobberIfDead(x1)) {
  1333  				continue
  1334  			}
  1335  			v.reset(OpARM64ADDshiftLL)
  1336  			v.AuxInt = int64ToAuxInt(c)
  1337  			v.AddArg2(x0, y)
  1338  			return true
  1339  		}
  1340  		break
  1341  	}
  1342  	// match: (ADD x0 x1:(SRLconst [c] y))
  1343  	// cond: clobberIfDead(x1)
  1344  	// result: (ADDshiftRL x0 y [c])
  1345  	for {
  1346  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1347  			x0 := v_0
  1348  			x1 := v_1
  1349  			if x1.Op != OpARM64SRLconst {
  1350  				continue
  1351  			}
  1352  			c := auxIntToInt64(x1.AuxInt)
  1353  			y := x1.Args[0]
  1354  			if !(clobberIfDead(x1)) {
  1355  				continue
  1356  			}
  1357  			v.reset(OpARM64ADDshiftRL)
  1358  			v.AuxInt = int64ToAuxInt(c)
  1359  			v.AddArg2(x0, y)
  1360  			return true
  1361  		}
  1362  		break
  1363  	}
  1364  	// match: (ADD x0 x1:(SRAconst [c] y))
  1365  	// cond: clobberIfDead(x1)
  1366  	// result: (ADDshiftRA x0 y [c])
  1367  	for {
  1368  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1369  			x0 := v_0
  1370  			x1 := v_1
  1371  			if x1.Op != OpARM64SRAconst {
  1372  				continue
  1373  			}
  1374  			c := auxIntToInt64(x1.AuxInt)
  1375  			y := x1.Args[0]
  1376  			if !(clobberIfDead(x1)) {
  1377  				continue
  1378  			}
  1379  			v.reset(OpARM64ADDshiftRA)
  1380  			v.AuxInt = int64ToAuxInt(c)
  1381  			v.AddArg2(x0, y)
  1382  			return true
  1383  		}
  1384  		break
  1385  	}
  1386  	return false
  1387  }
  1388  func rewriteValueARM64_OpARM64ADDSflags(v *Value) bool {
  1389  	v_1 := v.Args[1]
  1390  	v_0 := v.Args[0]
  1391  	// match: (ADDSflags x (MOVDconst [c]))
  1392  	// result: (ADDSconstflags [c] x)
  1393  	for {
  1394  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1395  			x := v_0
  1396  			if v_1.Op != OpARM64MOVDconst {
  1397  				continue
  1398  			}
  1399  			c := auxIntToInt64(v_1.AuxInt)
  1400  			v.reset(OpARM64ADDSconstflags)
  1401  			v.AuxInt = int64ToAuxInt(c)
  1402  			v.AddArg(x)
  1403  			return true
  1404  		}
  1405  		break
  1406  	}
  1407  	return false
  1408  }
  1409  func rewriteValueARM64_OpARM64ADDconst(v *Value) bool {
  1410  	v_0 := v.Args[0]
  1411  	// match: (ADDconst [off1] (MOVDaddr [off2] {sym} ptr))
  1412  	// cond: is32Bit(off1+int64(off2))
  1413  	// result: (MOVDaddr [int32(off1)+off2] {sym} ptr)
  1414  	for {
  1415  		off1 := auxIntToInt64(v.AuxInt)
  1416  		if v_0.Op != OpARM64MOVDaddr {
  1417  			break
  1418  		}
  1419  		off2 := auxIntToInt32(v_0.AuxInt)
  1420  		sym := auxToSym(v_0.Aux)
  1421  		ptr := v_0.Args[0]
  1422  		if !(is32Bit(off1 + int64(off2))) {
  1423  			break
  1424  		}
  1425  		v.reset(OpARM64MOVDaddr)
  1426  		v.AuxInt = int32ToAuxInt(int32(off1) + off2)
  1427  		v.Aux = symToAux(sym)
  1428  		v.AddArg(ptr)
  1429  		return true
  1430  	}
  1431  	// match: (ADDconst [c] y)
  1432  	// cond: c < 0
  1433  	// result: (SUBconst [-c] y)
  1434  	for {
  1435  		c := auxIntToInt64(v.AuxInt)
  1436  		y := v_0
  1437  		if !(c < 0) {
  1438  			break
  1439  		}
  1440  		v.reset(OpARM64SUBconst)
  1441  		v.AuxInt = int64ToAuxInt(-c)
  1442  		v.AddArg(y)
  1443  		return true
  1444  	}
  1445  	// match: (ADDconst [0] x)
  1446  	// result: x
  1447  	for {
  1448  		if auxIntToInt64(v.AuxInt) != 0 {
  1449  			break
  1450  		}
  1451  		x := v_0
  1452  		v.copyOf(x)
  1453  		return true
  1454  	}
  1455  	// match: (ADDconst [c] (MOVDconst [d]))
  1456  	// result: (MOVDconst [c+d])
  1457  	for {
  1458  		c := auxIntToInt64(v.AuxInt)
  1459  		if v_0.Op != OpARM64MOVDconst {
  1460  			break
  1461  		}
  1462  		d := auxIntToInt64(v_0.AuxInt)
  1463  		v.reset(OpARM64MOVDconst)
  1464  		v.AuxInt = int64ToAuxInt(c + d)
  1465  		return true
  1466  	}
  1467  	// match: (ADDconst [c] (ADDconst [d] x))
  1468  	// result: (ADDconst [c+d] x)
  1469  	for {
  1470  		c := auxIntToInt64(v.AuxInt)
  1471  		if v_0.Op != OpARM64ADDconst {
  1472  			break
  1473  		}
  1474  		d := auxIntToInt64(v_0.AuxInt)
  1475  		x := v_0.Args[0]
  1476  		v.reset(OpARM64ADDconst)
  1477  		v.AuxInt = int64ToAuxInt(c + d)
  1478  		v.AddArg(x)
  1479  		return true
  1480  	}
  1481  	// match: (ADDconst [c] (SUBconst [d] x))
  1482  	// result: (ADDconst [c-d] x)
  1483  	for {
  1484  		c := auxIntToInt64(v.AuxInt)
  1485  		if v_0.Op != OpARM64SUBconst {
  1486  			break
  1487  		}
  1488  		d := auxIntToInt64(v_0.AuxInt)
  1489  		x := v_0.Args[0]
  1490  		v.reset(OpARM64ADDconst)
  1491  		v.AuxInt = int64ToAuxInt(c - d)
  1492  		v.AddArg(x)
  1493  		return true
  1494  	}
  1495  	return false
  1496  }
  1497  func rewriteValueARM64_OpARM64ADDshiftLL(v *Value) bool {
  1498  	v_1 := v.Args[1]
  1499  	v_0 := v.Args[0]
  1500  	b := v.Block
  1501  	typ := &b.Func.Config.Types
  1502  	// match: (ADDshiftLL (MOVDconst [c]) x [d])
  1503  	// result: (ADDconst [c] (SLLconst <x.Type> x [d]))
  1504  	for {
  1505  		d := auxIntToInt64(v.AuxInt)
  1506  		if v_0.Op != OpARM64MOVDconst {
  1507  			break
  1508  		}
  1509  		c := auxIntToInt64(v_0.AuxInt)
  1510  		x := v_1
  1511  		v.reset(OpARM64ADDconst)
  1512  		v.AuxInt = int64ToAuxInt(c)
  1513  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  1514  		v0.AuxInt = int64ToAuxInt(d)
  1515  		v0.AddArg(x)
  1516  		v.AddArg(v0)
  1517  		return true
  1518  	}
  1519  	// match: (ADDshiftLL x (MOVDconst [c]) [d])
  1520  	// result: (ADDconst x [int64(uint64(c)<<uint64(d))])
  1521  	for {
  1522  		d := auxIntToInt64(v.AuxInt)
  1523  		x := v_0
  1524  		if v_1.Op != OpARM64MOVDconst {
  1525  			break
  1526  		}
  1527  		c := auxIntToInt64(v_1.AuxInt)
  1528  		v.reset(OpARM64ADDconst)
  1529  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
  1530  		v.AddArg(x)
  1531  		return true
  1532  	}
  1533  	// match: (ADDshiftLL <typ.UInt16> [8] (UBFX <typ.UInt16> [armBFAuxInt(8, 8)] x) x)
  1534  	// result: (REV16W x)
  1535  	for {
  1536  		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) {
  1537  			break
  1538  		}
  1539  		x := v_0.Args[0]
  1540  		if x != v_1 {
  1541  			break
  1542  		}
  1543  		v.reset(OpARM64REV16W)
  1544  		v.AddArg(x)
  1545  		return true
  1546  	}
  1547  	// match: (ADDshiftLL [8] (UBFX [armBFAuxInt(8, 24)] (ANDconst [c1] x)) (ANDconst [c2] x))
  1548  	// cond: uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff
  1549  	// result: (REV16W x)
  1550  	for {
  1551  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 24) {
  1552  			break
  1553  		}
  1554  		v_0_0 := v_0.Args[0]
  1555  		if v_0_0.Op != OpARM64ANDconst {
  1556  			break
  1557  		}
  1558  		c1 := auxIntToInt64(v_0_0.AuxInt)
  1559  		x := v_0_0.Args[0]
  1560  		if v_1.Op != OpARM64ANDconst {
  1561  			break
  1562  		}
  1563  		c2 := auxIntToInt64(v_1.AuxInt)
  1564  		if x != v_1.Args[0] || !(uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff) {
  1565  			break
  1566  		}
  1567  		v.reset(OpARM64REV16W)
  1568  		v.AddArg(x)
  1569  		return true
  1570  	}
  1571  	// match: (ADDshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
  1572  	// cond: (uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff)
  1573  	// result: (REV16 x)
  1574  	for {
  1575  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
  1576  			break
  1577  		}
  1578  		v_0_0 := v_0.Args[0]
  1579  		if v_0_0.Op != OpARM64ANDconst {
  1580  			break
  1581  		}
  1582  		c1 := auxIntToInt64(v_0_0.AuxInt)
  1583  		x := v_0_0.Args[0]
  1584  		if v_1.Op != OpARM64ANDconst {
  1585  			break
  1586  		}
  1587  		c2 := auxIntToInt64(v_1.AuxInt)
  1588  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff) {
  1589  			break
  1590  		}
  1591  		v.reset(OpARM64REV16)
  1592  		v.AddArg(x)
  1593  		return true
  1594  	}
  1595  	// match: (ADDshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
  1596  	// cond: (uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff)
  1597  	// result: (REV16 (ANDconst <x.Type> [0xffffffff] x))
  1598  	for {
  1599  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
  1600  			break
  1601  		}
  1602  		v_0_0 := v_0.Args[0]
  1603  		if v_0_0.Op != OpARM64ANDconst {
  1604  			break
  1605  		}
  1606  		c1 := auxIntToInt64(v_0_0.AuxInt)
  1607  		x := v_0_0.Args[0]
  1608  		if v_1.Op != OpARM64ANDconst {
  1609  			break
  1610  		}
  1611  		c2 := auxIntToInt64(v_1.AuxInt)
  1612  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff) {
  1613  			break
  1614  		}
  1615  		v.reset(OpARM64REV16)
  1616  		v0 := b.NewValue0(v.Pos, OpARM64ANDconst, x.Type)
  1617  		v0.AuxInt = int64ToAuxInt(0xffffffff)
  1618  		v0.AddArg(x)
  1619  		v.AddArg(v0)
  1620  		return true
  1621  	}
  1622  	// match: (ADDshiftLL [c] (SRLconst x [64-c]) x2)
  1623  	// result: (EXTRconst [64-c] x2 x)
  1624  	for {
  1625  		c := auxIntToInt64(v.AuxInt)
  1626  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 64-c {
  1627  			break
  1628  		}
  1629  		x := v_0.Args[0]
  1630  		x2 := v_1
  1631  		v.reset(OpARM64EXTRconst)
  1632  		v.AuxInt = int64ToAuxInt(64 - c)
  1633  		v.AddArg2(x2, x)
  1634  		return true
  1635  	}
  1636  	// match: (ADDshiftLL <t> [c] (UBFX [bfc] x) x2)
  1637  	// cond: c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)
  1638  	// result: (EXTRWconst [32-c] x2 x)
  1639  	for {
  1640  		t := v.Type
  1641  		c := auxIntToInt64(v.AuxInt)
  1642  		if v_0.Op != OpARM64UBFX {
  1643  			break
  1644  		}
  1645  		bfc := auxIntToArm64BitField(v_0.AuxInt)
  1646  		x := v_0.Args[0]
  1647  		x2 := v_1
  1648  		if !(c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)) {
  1649  			break
  1650  		}
  1651  		v.reset(OpARM64EXTRWconst)
  1652  		v.AuxInt = int64ToAuxInt(32 - c)
  1653  		v.AddArg2(x2, x)
  1654  		return true
  1655  	}
  1656  	return false
  1657  }
  1658  func rewriteValueARM64_OpARM64ADDshiftRA(v *Value) bool {
  1659  	v_1 := v.Args[1]
  1660  	v_0 := v.Args[0]
  1661  	b := v.Block
  1662  	// match: (ADDshiftRA (MOVDconst [c]) x [d])
  1663  	// result: (ADDconst [c] (SRAconst <x.Type> x [d]))
  1664  	for {
  1665  		d := auxIntToInt64(v.AuxInt)
  1666  		if v_0.Op != OpARM64MOVDconst {
  1667  			break
  1668  		}
  1669  		c := auxIntToInt64(v_0.AuxInt)
  1670  		x := v_1
  1671  		v.reset(OpARM64ADDconst)
  1672  		v.AuxInt = int64ToAuxInt(c)
  1673  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
  1674  		v0.AuxInt = int64ToAuxInt(d)
  1675  		v0.AddArg(x)
  1676  		v.AddArg(v0)
  1677  		return true
  1678  	}
  1679  	// match: (ADDshiftRA x (MOVDconst [c]) [d])
  1680  	// result: (ADDconst x [c>>uint64(d)])
  1681  	for {
  1682  		d := auxIntToInt64(v.AuxInt)
  1683  		x := v_0
  1684  		if v_1.Op != OpARM64MOVDconst {
  1685  			break
  1686  		}
  1687  		c := auxIntToInt64(v_1.AuxInt)
  1688  		v.reset(OpARM64ADDconst)
  1689  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
  1690  		v.AddArg(x)
  1691  		return true
  1692  	}
  1693  	return false
  1694  }
  1695  func rewriteValueARM64_OpARM64ADDshiftRL(v *Value) bool {
  1696  	v_1 := v.Args[1]
  1697  	v_0 := v.Args[0]
  1698  	b := v.Block
  1699  	// match: (ADDshiftRL (MOVDconst [c]) x [d])
  1700  	// result: (ADDconst [c] (SRLconst <x.Type> x [d]))
  1701  	for {
  1702  		d := auxIntToInt64(v.AuxInt)
  1703  		if v_0.Op != OpARM64MOVDconst {
  1704  			break
  1705  		}
  1706  		c := auxIntToInt64(v_0.AuxInt)
  1707  		x := v_1
  1708  		v.reset(OpARM64ADDconst)
  1709  		v.AuxInt = int64ToAuxInt(c)
  1710  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
  1711  		v0.AuxInt = int64ToAuxInt(d)
  1712  		v0.AddArg(x)
  1713  		v.AddArg(v0)
  1714  		return true
  1715  	}
  1716  	// match: (ADDshiftRL x (MOVDconst [c]) [d])
  1717  	// result: (ADDconst x [int64(uint64(c)>>uint64(d))])
  1718  	for {
  1719  		d := auxIntToInt64(v.AuxInt)
  1720  		x := v_0
  1721  		if v_1.Op != OpARM64MOVDconst {
  1722  			break
  1723  		}
  1724  		c := auxIntToInt64(v_1.AuxInt)
  1725  		v.reset(OpARM64ADDconst)
  1726  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
  1727  		v.AddArg(x)
  1728  		return true
  1729  	}
  1730  	return false
  1731  }
  1732  func rewriteValueARM64_OpARM64AND(v *Value) bool {
  1733  	v_1 := v.Args[1]
  1734  	v_0 := v.Args[0]
  1735  	// match: (AND x (MOVDconst [c]))
  1736  	// result: (ANDconst [c] x)
  1737  	for {
  1738  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1739  			x := v_0
  1740  			if v_1.Op != OpARM64MOVDconst {
  1741  				continue
  1742  			}
  1743  			c := auxIntToInt64(v_1.AuxInt)
  1744  			v.reset(OpARM64ANDconst)
  1745  			v.AuxInt = int64ToAuxInt(c)
  1746  			v.AddArg(x)
  1747  			return true
  1748  		}
  1749  		break
  1750  	}
  1751  	// match: (AND x x)
  1752  	// result: x
  1753  	for {
  1754  		x := v_0
  1755  		if x != v_1 {
  1756  			break
  1757  		}
  1758  		v.copyOf(x)
  1759  		return true
  1760  	}
  1761  	// match: (AND x (MVN y))
  1762  	// result: (BIC x y)
  1763  	for {
  1764  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1765  			x := v_0
  1766  			if v_1.Op != OpARM64MVN {
  1767  				continue
  1768  			}
  1769  			y := v_1.Args[0]
  1770  			v.reset(OpARM64BIC)
  1771  			v.AddArg2(x, y)
  1772  			return true
  1773  		}
  1774  		break
  1775  	}
  1776  	// match: (AND x0 x1:(SLLconst [c] y))
  1777  	// cond: clobberIfDead(x1)
  1778  	// result: (ANDshiftLL x0 y [c])
  1779  	for {
  1780  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1781  			x0 := v_0
  1782  			x1 := v_1
  1783  			if x1.Op != OpARM64SLLconst {
  1784  				continue
  1785  			}
  1786  			c := auxIntToInt64(x1.AuxInt)
  1787  			y := x1.Args[0]
  1788  			if !(clobberIfDead(x1)) {
  1789  				continue
  1790  			}
  1791  			v.reset(OpARM64ANDshiftLL)
  1792  			v.AuxInt = int64ToAuxInt(c)
  1793  			v.AddArg2(x0, y)
  1794  			return true
  1795  		}
  1796  		break
  1797  	}
  1798  	// match: (AND x0 x1:(SRLconst [c] y))
  1799  	// cond: clobberIfDead(x1)
  1800  	// result: (ANDshiftRL x0 y [c])
  1801  	for {
  1802  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1803  			x0 := v_0
  1804  			x1 := v_1
  1805  			if x1.Op != OpARM64SRLconst {
  1806  				continue
  1807  			}
  1808  			c := auxIntToInt64(x1.AuxInt)
  1809  			y := x1.Args[0]
  1810  			if !(clobberIfDead(x1)) {
  1811  				continue
  1812  			}
  1813  			v.reset(OpARM64ANDshiftRL)
  1814  			v.AuxInt = int64ToAuxInt(c)
  1815  			v.AddArg2(x0, y)
  1816  			return true
  1817  		}
  1818  		break
  1819  	}
  1820  	// match: (AND x0 x1:(SRAconst [c] y))
  1821  	// cond: clobberIfDead(x1)
  1822  	// result: (ANDshiftRA x0 y [c])
  1823  	for {
  1824  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1825  			x0 := v_0
  1826  			x1 := v_1
  1827  			if x1.Op != OpARM64SRAconst {
  1828  				continue
  1829  			}
  1830  			c := auxIntToInt64(x1.AuxInt)
  1831  			y := x1.Args[0]
  1832  			if !(clobberIfDead(x1)) {
  1833  				continue
  1834  			}
  1835  			v.reset(OpARM64ANDshiftRA)
  1836  			v.AuxInt = int64ToAuxInt(c)
  1837  			v.AddArg2(x0, y)
  1838  			return true
  1839  		}
  1840  		break
  1841  	}
  1842  	// match: (AND x0 x1:(RORconst [c] y))
  1843  	// cond: clobberIfDead(x1)
  1844  	// result: (ANDshiftRO x0 y [c])
  1845  	for {
  1846  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1847  			x0 := v_0
  1848  			x1 := v_1
  1849  			if x1.Op != OpARM64RORconst {
  1850  				continue
  1851  			}
  1852  			c := auxIntToInt64(x1.AuxInt)
  1853  			y := x1.Args[0]
  1854  			if !(clobberIfDead(x1)) {
  1855  				continue
  1856  			}
  1857  			v.reset(OpARM64ANDshiftRO)
  1858  			v.AuxInt = int64ToAuxInt(c)
  1859  			v.AddArg2(x0, y)
  1860  			return true
  1861  		}
  1862  		break
  1863  	}
  1864  	return false
  1865  }
  1866  func rewriteValueARM64_OpARM64ANDconst(v *Value) bool {
  1867  	v_0 := v.Args[0]
  1868  	// match: (ANDconst [0] _)
  1869  	// result: (MOVDconst [0])
  1870  	for {
  1871  		if auxIntToInt64(v.AuxInt) != 0 {
  1872  			break
  1873  		}
  1874  		v.reset(OpARM64MOVDconst)
  1875  		v.AuxInt = int64ToAuxInt(0)
  1876  		return true
  1877  	}
  1878  	// match: (ANDconst [-1] x)
  1879  	// result: x
  1880  	for {
  1881  		if auxIntToInt64(v.AuxInt) != -1 {
  1882  			break
  1883  		}
  1884  		x := v_0
  1885  		v.copyOf(x)
  1886  		return true
  1887  	}
  1888  	// match: (ANDconst [c] (MOVDconst [d]))
  1889  	// result: (MOVDconst [c&d])
  1890  	for {
  1891  		c := auxIntToInt64(v.AuxInt)
  1892  		if v_0.Op != OpARM64MOVDconst {
  1893  			break
  1894  		}
  1895  		d := auxIntToInt64(v_0.AuxInt)
  1896  		v.reset(OpARM64MOVDconst)
  1897  		v.AuxInt = int64ToAuxInt(c & d)
  1898  		return true
  1899  	}
  1900  	// match: (ANDconst [c] (ANDconst [d] x))
  1901  	// result: (ANDconst [c&d] x)
  1902  	for {
  1903  		c := auxIntToInt64(v.AuxInt)
  1904  		if v_0.Op != OpARM64ANDconst {
  1905  			break
  1906  		}
  1907  		d := auxIntToInt64(v_0.AuxInt)
  1908  		x := v_0.Args[0]
  1909  		v.reset(OpARM64ANDconst)
  1910  		v.AuxInt = int64ToAuxInt(c & d)
  1911  		v.AddArg(x)
  1912  		return true
  1913  	}
  1914  	// match: (ANDconst [c] (MOVWUreg x))
  1915  	// result: (ANDconst [c&(1<<32-1)] x)
  1916  	for {
  1917  		c := auxIntToInt64(v.AuxInt)
  1918  		if v_0.Op != OpARM64MOVWUreg {
  1919  			break
  1920  		}
  1921  		x := v_0.Args[0]
  1922  		v.reset(OpARM64ANDconst)
  1923  		v.AuxInt = int64ToAuxInt(c & (1<<32 - 1))
  1924  		v.AddArg(x)
  1925  		return true
  1926  	}
  1927  	// match: (ANDconst [c] (MOVHUreg x))
  1928  	// result: (ANDconst [c&(1<<16-1)] x)
  1929  	for {
  1930  		c := auxIntToInt64(v.AuxInt)
  1931  		if v_0.Op != OpARM64MOVHUreg {
  1932  			break
  1933  		}
  1934  		x := v_0.Args[0]
  1935  		v.reset(OpARM64ANDconst)
  1936  		v.AuxInt = int64ToAuxInt(c & (1<<16 - 1))
  1937  		v.AddArg(x)
  1938  		return true
  1939  	}
  1940  	// match: (ANDconst [c] (MOVBUreg x))
  1941  	// result: (ANDconst [c&(1<<8-1)] x)
  1942  	for {
  1943  		c := auxIntToInt64(v.AuxInt)
  1944  		if v_0.Op != OpARM64MOVBUreg {
  1945  			break
  1946  		}
  1947  		x := v_0.Args[0]
  1948  		v.reset(OpARM64ANDconst)
  1949  		v.AuxInt = int64ToAuxInt(c & (1<<8 - 1))
  1950  		v.AddArg(x)
  1951  		return true
  1952  	}
  1953  	// match: (ANDconst [ac] (SLLconst [sc] x))
  1954  	// cond: isARM64BFMask(sc, ac, sc)
  1955  	// result: (UBFIZ [armBFAuxInt(sc, arm64BFWidth(ac, sc))] x)
  1956  	for {
  1957  		ac := auxIntToInt64(v.AuxInt)
  1958  		if v_0.Op != OpARM64SLLconst {
  1959  			break
  1960  		}
  1961  		sc := auxIntToInt64(v_0.AuxInt)
  1962  		x := v_0.Args[0]
  1963  		if !(isARM64BFMask(sc, ac, sc)) {
  1964  			break
  1965  		}
  1966  		v.reset(OpARM64UBFIZ)
  1967  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc, arm64BFWidth(ac, sc)))
  1968  		v.AddArg(x)
  1969  		return true
  1970  	}
  1971  	// match: (ANDconst [ac] (SRLconst [sc] x))
  1972  	// cond: isARM64BFMask(sc, ac, 0)
  1973  	// result: (UBFX [armBFAuxInt(sc, arm64BFWidth(ac, 0))] x)
  1974  	for {
  1975  		ac := auxIntToInt64(v.AuxInt)
  1976  		if v_0.Op != OpARM64SRLconst {
  1977  			break
  1978  		}
  1979  		sc := auxIntToInt64(v_0.AuxInt)
  1980  		x := v_0.Args[0]
  1981  		if !(isARM64BFMask(sc, ac, 0)) {
  1982  			break
  1983  		}
  1984  		v.reset(OpARM64UBFX)
  1985  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc, arm64BFWidth(ac, 0)))
  1986  		v.AddArg(x)
  1987  		return true
  1988  	}
  1989  	// match: (ANDconst [c] (UBFX [bfc] x))
  1990  	// cond: isARM64BFMask(0, c, 0)
  1991  	// result: (UBFX [armBFAuxInt(bfc.getARM64BFlsb(), min(bfc.getARM64BFwidth(), arm64BFWidth(c, 0)))] x)
  1992  	for {
  1993  		c := auxIntToInt64(v.AuxInt)
  1994  		if v_0.Op != OpARM64UBFX {
  1995  			break
  1996  		}
  1997  		bfc := auxIntToArm64BitField(v_0.AuxInt)
  1998  		x := v_0.Args[0]
  1999  		if !(isARM64BFMask(0, c, 0)) {
  2000  			break
  2001  		}
  2002  		v.reset(OpARM64UBFX)
  2003  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb(), min(bfc.getARM64BFwidth(), arm64BFWidth(c, 0))))
  2004  		v.AddArg(x)
  2005  		return true
  2006  	}
  2007  	return false
  2008  }
  2009  func rewriteValueARM64_OpARM64ANDshiftLL(v *Value) bool {
  2010  	v_1 := v.Args[1]
  2011  	v_0 := v.Args[0]
  2012  	b := v.Block
  2013  	// match: (ANDshiftLL (MOVDconst [c]) x [d])
  2014  	// result: (ANDconst [c] (SLLconst <x.Type> x [d]))
  2015  	for {
  2016  		d := auxIntToInt64(v.AuxInt)
  2017  		if v_0.Op != OpARM64MOVDconst {
  2018  			break
  2019  		}
  2020  		c := auxIntToInt64(v_0.AuxInt)
  2021  		x := v_1
  2022  		v.reset(OpARM64ANDconst)
  2023  		v.AuxInt = int64ToAuxInt(c)
  2024  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  2025  		v0.AuxInt = int64ToAuxInt(d)
  2026  		v0.AddArg(x)
  2027  		v.AddArg(v0)
  2028  		return true
  2029  	}
  2030  	// match: (ANDshiftLL x (MOVDconst [c]) [d])
  2031  	// result: (ANDconst x [int64(uint64(c)<<uint64(d))])
  2032  	for {
  2033  		d := auxIntToInt64(v.AuxInt)
  2034  		x := v_0
  2035  		if v_1.Op != OpARM64MOVDconst {
  2036  			break
  2037  		}
  2038  		c := auxIntToInt64(v_1.AuxInt)
  2039  		v.reset(OpARM64ANDconst)
  2040  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
  2041  		v.AddArg(x)
  2042  		return true
  2043  	}
  2044  	// match: (ANDshiftLL y:(SLLconst x [c]) x [c])
  2045  	// result: y
  2046  	for {
  2047  		c := auxIntToInt64(v.AuxInt)
  2048  		y := v_0
  2049  		if y.Op != OpARM64SLLconst || auxIntToInt64(y.AuxInt) != c {
  2050  			break
  2051  		}
  2052  		x := y.Args[0]
  2053  		if x != v_1 {
  2054  			break
  2055  		}
  2056  		v.copyOf(y)
  2057  		return true
  2058  	}
  2059  	return false
  2060  }
  2061  func rewriteValueARM64_OpARM64ANDshiftRA(v *Value) bool {
  2062  	v_1 := v.Args[1]
  2063  	v_0 := v.Args[0]
  2064  	b := v.Block
  2065  	// match: (ANDshiftRA (MOVDconst [c]) x [d])
  2066  	// result: (ANDconst [c] (SRAconst <x.Type> x [d]))
  2067  	for {
  2068  		d := auxIntToInt64(v.AuxInt)
  2069  		if v_0.Op != OpARM64MOVDconst {
  2070  			break
  2071  		}
  2072  		c := auxIntToInt64(v_0.AuxInt)
  2073  		x := v_1
  2074  		v.reset(OpARM64ANDconst)
  2075  		v.AuxInt = int64ToAuxInt(c)
  2076  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
  2077  		v0.AuxInt = int64ToAuxInt(d)
  2078  		v0.AddArg(x)
  2079  		v.AddArg(v0)
  2080  		return true
  2081  	}
  2082  	// match: (ANDshiftRA x (MOVDconst [c]) [d])
  2083  	// result: (ANDconst x [c>>uint64(d)])
  2084  	for {
  2085  		d := auxIntToInt64(v.AuxInt)
  2086  		x := v_0
  2087  		if v_1.Op != OpARM64MOVDconst {
  2088  			break
  2089  		}
  2090  		c := auxIntToInt64(v_1.AuxInt)
  2091  		v.reset(OpARM64ANDconst)
  2092  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
  2093  		v.AddArg(x)
  2094  		return true
  2095  	}
  2096  	// match: (ANDshiftRA y:(SRAconst x [c]) x [c])
  2097  	// result: y
  2098  	for {
  2099  		c := auxIntToInt64(v.AuxInt)
  2100  		y := v_0
  2101  		if y.Op != OpARM64SRAconst || auxIntToInt64(y.AuxInt) != c {
  2102  			break
  2103  		}
  2104  		x := y.Args[0]
  2105  		if x != v_1 {
  2106  			break
  2107  		}
  2108  		v.copyOf(y)
  2109  		return true
  2110  	}
  2111  	return false
  2112  }
  2113  func rewriteValueARM64_OpARM64ANDshiftRL(v *Value) bool {
  2114  	v_1 := v.Args[1]
  2115  	v_0 := v.Args[0]
  2116  	b := v.Block
  2117  	// match: (ANDshiftRL (MOVDconst [c]) x [d])
  2118  	// result: (ANDconst [c] (SRLconst <x.Type> x [d]))
  2119  	for {
  2120  		d := auxIntToInt64(v.AuxInt)
  2121  		if v_0.Op != OpARM64MOVDconst {
  2122  			break
  2123  		}
  2124  		c := auxIntToInt64(v_0.AuxInt)
  2125  		x := v_1
  2126  		v.reset(OpARM64ANDconst)
  2127  		v.AuxInt = int64ToAuxInt(c)
  2128  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
  2129  		v0.AuxInt = int64ToAuxInt(d)
  2130  		v0.AddArg(x)
  2131  		v.AddArg(v0)
  2132  		return true
  2133  	}
  2134  	// match: (ANDshiftRL x (MOVDconst [c]) [d])
  2135  	// result: (ANDconst x [int64(uint64(c)>>uint64(d))])
  2136  	for {
  2137  		d := auxIntToInt64(v.AuxInt)
  2138  		x := v_0
  2139  		if v_1.Op != OpARM64MOVDconst {
  2140  			break
  2141  		}
  2142  		c := auxIntToInt64(v_1.AuxInt)
  2143  		v.reset(OpARM64ANDconst)
  2144  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
  2145  		v.AddArg(x)
  2146  		return true
  2147  	}
  2148  	// match: (ANDshiftRL y:(SRLconst x [c]) x [c])
  2149  	// result: y
  2150  	for {
  2151  		c := auxIntToInt64(v.AuxInt)
  2152  		y := v_0
  2153  		if y.Op != OpARM64SRLconst || auxIntToInt64(y.AuxInt) != c {
  2154  			break
  2155  		}
  2156  		x := y.Args[0]
  2157  		if x != v_1 {
  2158  			break
  2159  		}
  2160  		v.copyOf(y)
  2161  		return true
  2162  	}
  2163  	return false
  2164  }
  2165  func rewriteValueARM64_OpARM64ANDshiftRO(v *Value) bool {
  2166  	v_1 := v.Args[1]
  2167  	v_0 := v.Args[0]
  2168  	b := v.Block
  2169  	// match: (ANDshiftRO (MOVDconst [c]) x [d])
  2170  	// result: (ANDconst [c] (RORconst <x.Type> x [d]))
  2171  	for {
  2172  		d := auxIntToInt64(v.AuxInt)
  2173  		if v_0.Op != OpARM64MOVDconst {
  2174  			break
  2175  		}
  2176  		c := auxIntToInt64(v_0.AuxInt)
  2177  		x := v_1
  2178  		v.reset(OpARM64ANDconst)
  2179  		v.AuxInt = int64ToAuxInt(c)
  2180  		v0 := b.NewValue0(v.Pos, OpARM64RORconst, x.Type)
  2181  		v0.AuxInt = int64ToAuxInt(d)
  2182  		v0.AddArg(x)
  2183  		v.AddArg(v0)
  2184  		return true
  2185  	}
  2186  	// match: (ANDshiftRO x (MOVDconst [c]) [d])
  2187  	// result: (ANDconst x [rotateRight64(c, d)])
  2188  	for {
  2189  		d := auxIntToInt64(v.AuxInt)
  2190  		x := v_0
  2191  		if v_1.Op != OpARM64MOVDconst {
  2192  			break
  2193  		}
  2194  		c := auxIntToInt64(v_1.AuxInt)
  2195  		v.reset(OpARM64ANDconst)
  2196  		v.AuxInt = int64ToAuxInt(rotateRight64(c, d))
  2197  		v.AddArg(x)
  2198  		return true
  2199  	}
  2200  	// match: (ANDshiftRO y:(RORconst x [c]) x [c])
  2201  	// result: y
  2202  	for {
  2203  		c := auxIntToInt64(v.AuxInt)
  2204  		y := v_0
  2205  		if y.Op != OpARM64RORconst || auxIntToInt64(y.AuxInt) != c {
  2206  			break
  2207  		}
  2208  		x := y.Args[0]
  2209  		if x != v_1 {
  2210  			break
  2211  		}
  2212  		v.copyOf(y)
  2213  		return true
  2214  	}
  2215  	return false
  2216  }
  2217  func rewriteValueARM64_OpARM64BIC(v *Value) bool {
  2218  	v_1 := v.Args[1]
  2219  	v_0 := v.Args[0]
  2220  	// match: (BIC x (MOVDconst [c]))
  2221  	// result: (ANDconst [^c] x)
  2222  	for {
  2223  		x := v_0
  2224  		if v_1.Op != OpARM64MOVDconst {
  2225  			break
  2226  		}
  2227  		c := auxIntToInt64(v_1.AuxInt)
  2228  		v.reset(OpARM64ANDconst)
  2229  		v.AuxInt = int64ToAuxInt(^c)
  2230  		v.AddArg(x)
  2231  		return true
  2232  	}
  2233  	// match: (BIC x x)
  2234  	// result: (MOVDconst [0])
  2235  	for {
  2236  		x := v_0
  2237  		if x != v_1 {
  2238  			break
  2239  		}
  2240  		v.reset(OpARM64MOVDconst)
  2241  		v.AuxInt = int64ToAuxInt(0)
  2242  		return true
  2243  	}
  2244  	// match: (BIC x0 x1:(SLLconst [c] y))
  2245  	// cond: clobberIfDead(x1)
  2246  	// result: (BICshiftLL x0 y [c])
  2247  	for {
  2248  		x0 := v_0
  2249  		x1 := v_1
  2250  		if x1.Op != OpARM64SLLconst {
  2251  			break
  2252  		}
  2253  		c := auxIntToInt64(x1.AuxInt)
  2254  		y := x1.Args[0]
  2255  		if !(clobberIfDead(x1)) {
  2256  			break
  2257  		}
  2258  		v.reset(OpARM64BICshiftLL)
  2259  		v.AuxInt = int64ToAuxInt(c)
  2260  		v.AddArg2(x0, y)
  2261  		return true
  2262  	}
  2263  	// match: (BIC x0 x1:(SRLconst [c] y))
  2264  	// cond: clobberIfDead(x1)
  2265  	// result: (BICshiftRL x0 y [c])
  2266  	for {
  2267  		x0 := v_0
  2268  		x1 := v_1
  2269  		if x1.Op != OpARM64SRLconst {
  2270  			break
  2271  		}
  2272  		c := auxIntToInt64(x1.AuxInt)
  2273  		y := x1.Args[0]
  2274  		if !(clobberIfDead(x1)) {
  2275  			break
  2276  		}
  2277  		v.reset(OpARM64BICshiftRL)
  2278  		v.AuxInt = int64ToAuxInt(c)
  2279  		v.AddArg2(x0, y)
  2280  		return true
  2281  	}
  2282  	// match: (BIC x0 x1:(SRAconst [c] y))
  2283  	// cond: clobberIfDead(x1)
  2284  	// result: (BICshiftRA x0 y [c])
  2285  	for {
  2286  		x0 := v_0
  2287  		x1 := v_1
  2288  		if x1.Op != OpARM64SRAconst {
  2289  			break
  2290  		}
  2291  		c := auxIntToInt64(x1.AuxInt)
  2292  		y := x1.Args[0]
  2293  		if !(clobberIfDead(x1)) {
  2294  			break
  2295  		}
  2296  		v.reset(OpARM64BICshiftRA)
  2297  		v.AuxInt = int64ToAuxInt(c)
  2298  		v.AddArg2(x0, y)
  2299  		return true
  2300  	}
  2301  	// match: (BIC x0 x1:(RORconst [c] y))
  2302  	// cond: clobberIfDead(x1)
  2303  	// result: (BICshiftRO x0 y [c])
  2304  	for {
  2305  		x0 := v_0
  2306  		x1 := v_1
  2307  		if x1.Op != OpARM64RORconst {
  2308  			break
  2309  		}
  2310  		c := auxIntToInt64(x1.AuxInt)
  2311  		y := x1.Args[0]
  2312  		if !(clobberIfDead(x1)) {
  2313  			break
  2314  		}
  2315  		v.reset(OpARM64BICshiftRO)
  2316  		v.AuxInt = int64ToAuxInt(c)
  2317  		v.AddArg2(x0, y)
  2318  		return true
  2319  	}
  2320  	return false
  2321  }
  2322  func rewriteValueARM64_OpARM64BICshiftLL(v *Value) bool {
  2323  	v_1 := v.Args[1]
  2324  	v_0 := v.Args[0]
  2325  	// match: (BICshiftLL x (MOVDconst [c]) [d])
  2326  	// result: (ANDconst x [^int64(uint64(c)<<uint64(d))])
  2327  	for {
  2328  		d := auxIntToInt64(v.AuxInt)
  2329  		x := v_0
  2330  		if v_1.Op != OpARM64MOVDconst {
  2331  			break
  2332  		}
  2333  		c := auxIntToInt64(v_1.AuxInt)
  2334  		v.reset(OpARM64ANDconst)
  2335  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) << uint64(d)))
  2336  		v.AddArg(x)
  2337  		return true
  2338  	}
  2339  	// match: (BICshiftLL (SLLconst x [c]) x [c])
  2340  	// result: (MOVDconst [0])
  2341  	for {
  2342  		c := auxIntToInt64(v.AuxInt)
  2343  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
  2344  			break
  2345  		}
  2346  		x := v_0.Args[0]
  2347  		if x != v_1 {
  2348  			break
  2349  		}
  2350  		v.reset(OpARM64MOVDconst)
  2351  		v.AuxInt = int64ToAuxInt(0)
  2352  		return true
  2353  	}
  2354  	return false
  2355  }
  2356  func rewriteValueARM64_OpARM64BICshiftRA(v *Value) bool {
  2357  	v_1 := v.Args[1]
  2358  	v_0 := v.Args[0]
  2359  	// match: (BICshiftRA x (MOVDconst [c]) [d])
  2360  	// result: (ANDconst x [^(c>>uint64(d))])
  2361  	for {
  2362  		d := auxIntToInt64(v.AuxInt)
  2363  		x := v_0
  2364  		if v_1.Op != OpARM64MOVDconst {
  2365  			break
  2366  		}
  2367  		c := auxIntToInt64(v_1.AuxInt)
  2368  		v.reset(OpARM64ANDconst)
  2369  		v.AuxInt = int64ToAuxInt(^(c >> uint64(d)))
  2370  		v.AddArg(x)
  2371  		return true
  2372  	}
  2373  	// match: (BICshiftRA (SRAconst x [c]) x [c])
  2374  	// result: (MOVDconst [0])
  2375  	for {
  2376  		c := auxIntToInt64(v.AuxInt)
  2377  		if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c {
  2378  			break
  2379  		}
  2380  		x := v_0.Args[0]
  2381  		if x != v_1 {
  2382  			break
  2383  		}
  2384  		v.reset(OpARM64MOVDconst)
  2385  		v.AuxInt = int64ToAuxInt(0)
  2386  		return true
  2387  	}
  2388  	return false
  2389  }
  2390  func rewriteValueARM64_OpARM64BICshiftRL(v *Value) bool {
  2391  	v_1 := v.Args[1]
  2392  	v_0 := v.Args[0]
  2393  	// match: (BICshiftRL x (MOVDconst [c]) [d])
  2394  	// result: (ANDconst x [^int64(uint64(c)>>uint64(d))])
  2395  	for {
  2396  		d := auxIntToInt64(v.AuxInt)
  2397  		x := v_0
  2398  		if v_1.Op != OpARM64MOVDconst {
  2399  			break
  2400  		}
  2401  		c := auxIntToInt64(v_1.AuxInt)
  2402  		v.reset(OpARM64ANDconst)
  2403  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) >> uint64(d)))
  2404  		v.AddArg(x)
  2405  		return true
  2406  	}
  2407  	// match: (BICshiftRL (SRLconst x [c]) x [c])
  2408  	// result: (MOVDconst [0])
  2409  	for {
  2410  		c := auxIntToInt64(v.AuxInt)
  2411  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
  2412  			break
  2413  		}
  2414  		x := v_0.Args[0]
  2415  		if x != v_1 {
  2416  			break
  2417  		}
  2418  		v.reset(OpARM64MOVDconst)
  2419  		v.AuxInt = int64ToAuxInt(0)
  2420  		return true
  2421  	}
  2422  	return false
  2423  }
  2424  func rewriteValueARM64_OpARM64BICshiftRO(v *Value) bool {
  2425  	v_1 := v.Args[1]
  2426  	v_0 := v.Args[0]
  2427  	// match: (BICshiftRO x (MOVDconst [c]) [d])
  2428  	// result: (ANDconst x [^rotateRight64(c, d)])
  2429  	for {
  2430  		d := auxIntToInt64(v.AuxInt)
  2431  		x := v_0
  2432  		if v_1.Op != OpARM64MOVDconst {
  2433  			break
  2434  		}
  2435  		c := auxIntToInt64(v_1.AuxInt)
  2436  		v.reset(OpARM64ANDconst)
  2437  		v.AuxInt = int64ToAuxInt(^rotateRight64(c, d))
  2438  		v.AddArg(x)
  2439  		return true
  2440  	}
  2441  	// match: (BICshiftRO (RORconst x [c]) x [c])
  2442  	// result: (MOVDconst [0])
  2443  	for {
  2444  		c := auxIntToInt64(v.AuxInt)
  2445  		if v_0.Op != OpARM64RORconst || auxIntToInt64(v_0.AuxInt) != c {
  2446  			break
  2447  		}
  2448  		x := v_0.Args[0]
  2449  		if x != v_1 {
  2450  			break
  2451  		}
  2452  		v.reset(OpARM64MOVDconst)
  2453  		v.AuxInt = int64ToAuxInt(0)
  2454  		return true
  2455  	}
  2456  	return false
  2457  }
  2458  func rewriteValueARM64_OpARM64CMN(v *Value) bool {
  2459  	v_1 := v.Args[1]
  2460  	v_0 := v.Args[0]
  2461  	// match: (CMN x (MOVDconst [c]))
  2462  	// result: (CMNconst [c] x)
  2463  	for {
  2464  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2465  			x := v_0
  2466  			if v_1.Op != OpARM64MOVDconst {
  2467  				continue
  2468  			}
  2469  			c := auxIntToInt64(v_1.AuxInt)
  2470  			v.reset(OpARM64CMNconst)
  2471  			v.AuxInt = int64ToAuxInt(c)
  2472  			v.AddArg(x)
  2473  			return true
  2474  		}
  2475  		break
  2476  	}
  2477  	// match: (CMN x0 x1:(SLLconst [c] y))
  2478  	// cond: clobberIfDead(x1)
  2479  	// result: (CMNshiftLL x0 y [c])
  2480  	for {
  2481  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2482  			x0 := v_0
  2483  			x1 := v_1
  2484  			if x1.Op != OpARM64SLLconst {
  2485  				continue
  2486  			}
  2487  			c := auxIntToInt64(x1.AuxInt)
  2488  			y := x1.Args[0]
  2489  			if !(clobberIfDead(x1)) {
  2490  				continue
  2491  			}
  2492  			v.reset(OpARM64CMNshiftLL)
  2493  			v.AuxInt = int64ToAuxInt(c)
  2494  			v.AddArg2(x0, y)
  2495  			return true
  2496  		}
  2497  		break
  2498  	}
  2499  	// match: (CMN x0 x1:(SRLconst [c] y))
  2500  	// cond: clobberIfDead(x1)
  2501  	// result: (CMNshiftRL x0 y [c])
  2502  	for {
  2503  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2504  			x0 := v_0
  2505  			x1 := v_1
  2506  			if x1.Op != OpARM64SRLconst {
  2507  				continue
  2508  			}
  2509  			c := auxIntToInt64(x1.AuxInt)
  2510  			y := x1.Args[0]
  2511  			if !(clobberIfDead(x1)) {
  2512  				continue
  2513  			}
  2514  			v.reset(OpARM64CMNshiftRL)
  2515  			v.AuxInt = int64ToAuxInt(c)
  2516  			v.AddArg2(x0, y)
  2517  			return true
  2518  		}
  2519  		break
  2520  	}
  2521  	// match: (CMN x0 x1:(SRAconst [c] y))
  2522  	// cond: clobberIfDead(x1)
  2523  	// result: (CMNshiftRA x0 y [c])
  2524  	for {
  2525  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2526  			x0 := v_0
  2527  			x1 := v_1
  2528  			if x1.Op != OpARM64SRAconst {
  2529  				continue
  2530  			}
  2531  			c := auxIntToInt64(x1.AuxInt)
  2532  			y := x1.Args[0]
  2533  			if !(clobberIfDead(x1)) {
  2534  				continue
  2535  			}
  2536  			v.reset(OpARM64CMNshiftRA)
  2537  			v.AuxInt = int64ToAuxInt(c)
  2538  			v.AddArg2(x0, y)
  2539  			return true
  2540  		}
  2541  		break
  2542  	}
  2543  	return false
  2544  }
  2545  func rewriteValueARM64_OpARM64CMNW(v *Value) bool {
  2546  	v_1 := v.Args[1]
  2547  	v_0 := v.Args[0]
  2548  	// match: (CMNW x (MOVDconst [c]))
  2549  	// result: (CMNWconst [int32(c)] x)
  2550  	for {
  2551  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2552  			x := v_0
  2553  			if v_1.Op != OpARM64MOVDconst {
  2554  				continue
  2555  			}
  2556  			c := auxIntToInt64(v_1.AuxInt)
  2557  			v.reset(OpARM64CMNWconst)
  2558  			v.AuxInt = int32ToAuxInt(int32(c))
  2559  			v.AddArg(x)
  2560  			return true
  2561  		}
  2562  		break
  2563  	}
  2564  	return false
  2565  }
  2566  func rewriteValueARM64_OpARM64CMNWconst(v *Value) bool {
  2567  	v_0 := v.Args[0]
  2568  	// match: (CMNWconst [c] y)
  2569  	// cond: c < 0 && c != -1<<31
  2570  	// result: (CMPWconst [-c] y)
  2571  	for {
  2572  		c := auxIntToInt32(v.AuxInt)
  2573  		y := v_0
  2574  		if !(c < 0 && c != -1<<31) {
  2575  			break
  2576  		}
  2577  		v.reset(OpARM64CMPWconst)
  2578  		v.AuxInt = int32ToAuxInt(-c)
  2579  		v.AddArg(y)
  2580  		return true
  2581  	}
  2582  	// match: (CMNWconst (MOVDconst [x]) [y])
  2583  	// result: (FlagConstant [addFlags32(int32(x),y)])
  2584  	for {
  2585  		y := auxIntToInt32(v.AuxInt)
  2586  		if v_0.Op != OpARM64MOVDconst {
  2587  			break
  2588  		}
  2589  		x := auxIntToInt64(v_0.AuxInt)
  2590  		v.reset(OpARM64FlagConstant)
  2591  		v.AuxInt = flagConstantToAuxInt(addFlags32(int32(x), y))
  2592  		return true
  2593  	}
  2594  	return false
  2595  }
  2596  func rewriteValueARM64_OpARM64CMNconst(v *Value) bool {
  2597  	v_0 := v.Args[0]
  2598  	// match: (CMNconst [c] y)
  2599  	// cond: c < 0 && c != -1<<63
  2600  	// result: (CMPconst [-c] y)
  2601  	for {
  2602  		c := auxIntToInt64(v.AuxInt)
  2603  		y := v_0
  2604  		if !(c < 0 && c != -1<<63) {
  2605  			break
  2606  		}
  2607  		v.reset(OpARM64CMPconst)
  2608  		v.AuxInt = int64ToAuxInt(-c)
  2609  		v.AddArg(y)
  2610  		return true
  2611  	}
  2612  	// match: (CMNconst (MOVDconst [x]) [y])
  2613  	// result: (FlagConstant [addFlags64(x,y)])
  2614  	for {
  2615  		y := auxIntToInt64(v.AuxInt)
  2616  		if v_0.Op != OpARM64MOVDconst {
  2617  			break
  2618  		}
  2619  		x := auxIntToInt64(v_0.AuxInt)
  2620  		v.reset(OpARM64FlagConstant)
  2621  		v.AuxInt = flagConstantToAuxInt(addFlags64(x, y))
  2622  		return true
  2623  	}
  2624  	return false
  2625  }
  2626  func rewriteValueARM64_OpARM64CMNshiftLL(v *Value) bool {
  2627  	v_1 := v.Args[1]
  2628  	v_0 := v.Args[0]
  2629  	b := v.Block
  2630  	// match: (CMNshiftLL (MOVDconst [c]) x [d])
  2631  	// result: (CMNconst [c] (SLLconst <x.Type> x [d]))
  2632  	for {
  2633  		d := auxIntToInt64(v.AuxInt)
  2634  		if v_0.Op != OpARM64MOVDconst {
  2635  			break
  2636  		}
  2637  		c := auxIntToInt64(v_0.AuxInt)
  2638  		x := v_1
  2639  		v.reset(OpARM64CMNconst)
  2640  		v.AuxInt = int64ToAuxInt(c)
  2641  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  2642  		v0.AuxInt = int64ToAuxInt(d)
  2643  		v0.AddArg(x)
  2644  		v.AddArg(v0)
  2645  		return true
  2646  	}
  2647  	// match: (CMNshiftLL x (MOVDconst [c]) [d])
  2648  	// result: (CMNconst x [int64(uint64(c)<<uint64(d))])
  2649  	for {
  2650  		d := auxIntToInt64(v.AuxInt)
  2651  		x := v_0
  2652  		if v_1.Op != OpARM64MOVDconst {
  2653  			break
  2654  		}
  2655  		c := auxIntToInt64(v_1.AuxInt)
  2656  		v.reset(OpARM64CMNconst)
  2657  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
  2658  		v.AddArg(x)
  2659  		return true
  2660  	}
  2661  	return false
  2662  }
  2663  func rewriteValueARM64_OpARM64CMNshiftRA(v *Value) bool {
  2664  	v_1 := v.Args[1]
  2665  	v_0 := v.Args[0]
  2666  	b := v.Block
  2667  	// match: (CMNshiftRA (MOVDconst [c]) x [d])
  2668  	// result: (CMNconst [c] (SRAconst <x.Type> x [d]))
  2669  	for {
  2670  		d := auxIntToInt64(v.AuxInt)
  2671  		if v_0.Op != OpARM64MOVDconst {
  2672  			break
  2673  		}
  2674  		c := auxIntToInt64(v_0.AuxInt)
  2675  		x := v_1
  2676  		v.reset(OpARM64CMNconst)
  2677  		v.AuxInt = int64ToAuxInt(c)
  2678  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
  2679  		v0.AuxInt = int64ToAuxInt(d)
  2680  		v0.AddArg(x)
  2681  		v.AddArg(v0)
  2682  		return true
  2683  	}
  2684  	// match: (CMNshiftRA x (MOVDconst [c]) [d])
  2685  	// result: (CMNconst x [c>>uint64(d)])
  2686  	for {
  2687  		d := auxIntToInt64(v.AuxInt)
  2688  		x := v_0
  2689  		if v_1.Op != OpARM64MOVDconst {
  2690  			break
  2691  		}
  2692  		c := auxIntToInt64(v_1.AuxInt)
  2693  		v.reset(OpARM64CMNconst)
  2694  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
  2695  		v.AddArg(x)
  2696  		return true
  2697  	}
  2698  	return false
  2699  }
  2700  func rewriteValueARM64_OpARM64CMNshiftRL(v *Value) bool {
  2701  	v_1 := v.Args[1]
  2702  	v_0 := v.Args[0]
  2703  	b := v.Block
  2704  	// match: (CMNshiftRL (MOVDconst [c]) x [d])
  2705  	// result: (CMNconst [c] (SRLconst <x.Type> x [d]))
  2706  	for {
  2707  		d := auxIntToInt64(v.AuxInt)
  2708  		if v_0.Op != OpARM64MOVDconst {
  2709  			break
  2710  		}
  2711  		c := auxIntToInt64(v_0.AuxInt)
  2712  		x := v_1
  2713  		v.reset(OpARM64CMNconst)
  2714  		v.AuxInt = int64ToAuxInt(c)
  2715  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
  2716  		v0.AuxInt = int64ToAuxInt(d)
  2717  		v0.AddArg(x)
  2718  		v.AddArg(v0)
  2719  		return true
  2720  	}
  2721  	// match: (CMNshiftRL x (MOVDconst [c]) [d])
  2722  	// result: (CMNconst x [int64(uint64(c)>>uint64(d))])
  2723  	for {
  2724  		d := auxIntToInt64(v.AuxInt)
  2725  		x := v_0
  2726  		if v_1.Op != OpARM64MOVDconst {
  2727  			break
  2728  		}
  2729  		c := auxIntToInt64(v_1.AuxInt)
  2730  		v.reset(OpARM64CMNconst)
  2731  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
  2732  		v.AddArg(x)
  2733  		return true
  2734  	}
  2735  	return false
  2736  }
  2737  func rewriteValueARM64_OpARM64CMP(v *Value) bool {
  2738  	v_1 := v.Args[1]
  2739  	v_0 := v.Args[0]
  2740  	b := v.Block
  2741  	// match: (CMP x (MOVDconst [c]))
  2742  	// result: (CMPconst [c] x)
  2743  	for {
  2744  		x := v_0
  2745  		if v_1.Op != OpARM64MOVDconst {
  2746  			break
  2747  		}
  2748  		c := auxIntToInt64(v_1.AuxInt)
  2749  		v.reset(OpARM64CMPconst)
  2750  		v.AuxInt = int64ToAuxInt(c)
  2751  		v.AddArg(x)
  2752  		return true
  2753  	}
  2754  	// match: (CMP (MOVDconst [c]) x)
  2755  	// result: (InvertFlags (CMPconst [c] x))
  2756  	for {
  2757  		if v_0.Op != OpARM64MOVDconst {
  2758  			break
  2759  		}
  2760  		c := auxIntToInt64(v_0.AuxInt)
  2761  		x := v_1
  2762  		v.reset(OpARM64InvertFlags)
  2763  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
  2764  		v0.AuxInt = int64ToAuxInt(c)
  2765  		v0.AddArg(x)
  2766  		v.AddArg(v0)
  2767  		return true
  2768  	}
  2769  	// match: (CMP x y)
  2770  	// cond: canonLessThan(x,y)
  2771  	// result: (InvertFlags (CMP y x))
  2772  	for {
  2773  		x := v_0
  2774  		y := v_1
  2775  		if !(canonLessThan(x, y)) {
  2776  			break
  2777  		}
  2778  		v.reset(OpARM64InvertFlags)
  2779  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
  2780  		v0.AddArg2(y, x)
  2781  		v.AddArg(v0)
  2782  		return true
  2783  	}
  2784  	// match: (CMP x0 x1:(SLLconst [c] y))
  2785  	// cond: clobberIfDead(x1)
  2786  	// result: (CMPshiftLL x0 y [c])
  2787  	for {
  2788  		x0 := v_0
  2789  		x1 := v_1
  2790  		if x1.Op != OpARM64SLLconst {
  2791  			break
  2792  		}
  2793  		c := auxIntToInt64(x1.AuxInt)
  2794  		y := x1.Args[0]
  2795  		if !(clobberIfDead(x1)) {
  2796  			break
  2797  		}
  2798  		v.reset(OpARM64CMPshiftLL)
  2799  		v.AuxInt = int64ToAuxInt(c)
  2800  		v.AddArg2(x0, y)
  2801  		return true
  2802  	}
  2803  	// match: (CMP x0:(SLLconst [c] y) x1)
  2804  	// cond: clobberIfDead(x0)
  2805  	// result: (InvertFlags (CMPshiftLL x1 y [c]))
  2806  	for {
  2807  		x0 := v_0
  2808  		if x0.Op != OpARM64SLLconst {
  2809  			break
  2810  		}
  2811  		c := auxIntToInt64(x0.AuxInt)
  2812  		y := x0.Args[0]
  2813  		x1 := v_1
  2814  		if !(clobberIfDead(x0)) {
  2815  			break
  2816  		}
  2817  		v.reset(OpARM64InvertFlags)
  2818  		v0 := b.NewValue0(v.Pos, OpARM64CMPshiftLL, types.TypeFlags)
  2819  		v0.AuxInt = int64ToAuxInt(c)
  2820  		v0.AddArg2(x1, y)
  2821  		v.AddArg(v0)
  2822  		return true
  2823  	}
  2824  	// match: (CMP x0 x1:(SRLconst [c] y))
  2825  	// cond: clobberIfDead(x1)
  2826  	// result: (CMPshiftRL x0 y [c])
  2827  	for {
  2828  		x0 := v_0
  2829  		x1 := v_1
  2830  		if x1.Op != OpARM64SRLconst {
  2831  			break
  2832  		}
  2833  		c := auxIntToInt64(x1.AuxInt)
  2834  		y := x1.Args[0]
  2835  		if !(clobberIfDead(x1)) {
  2836  			break
  2837  		}
  2838  		v.reset(OpARM64CMPshiftRL)
  2839  		v.AuxInt = int64ToAuxInt(c)
  2840  		v.AddArg2(x0, y)
  2841  		return true
  2842  	}
  2843  	// match: (CMP x0:(SRLconst [c] y) x1)
  2844  	// cond: clobberIfDead(x0)
  2845  	// result: (InvertFlags (CMPshiftRL x1 y [c]))
  2846  	for {
  2847  		x0 := v_0
  2848  		if x0.Op != OpARM64SRLconst {
  2849  			break
  2850  		}
  2851  		c := auxIntToInt64(x0.AuxInt)
  2852  		y := x0.Args[0]
  2853  		x1 := v_1
  2854  		if !(clobberIfDead(x0)) {
  2855  			break
  2856  		}
  2857  		v.reset(OpARM64InvertFlags)
  2858  		v0 := b.NewValue0(v.Pos, OpARM64CMPshiftRL, types.TypeFlags)
  2859  		v0.AuxInt = int64ToAuxInt(c)
  2860  		v0.AddArg2(x1, y)
  2861  		v.AddArg(v0)
  2862  		return true
  2863  	}
  2864  	// match: (CMP x0 x1:(SRAconst [c] y))
  2865  	// cond: clobberIfDead(x1)
  2866  	// result: (CMPshiftRA x0 y [c])
  2867  	for {
  2868  		x0 := v_0
  2869  		x1 := v_1
  2870  		if x1.Op != OpARM64SRAconst {
  2871  			break
  2872  		}
  2873  		c := auxIntToInt64(x1.AuxInt)
  2874  		y := x1.Args[0]
  2875  		if !(clobberIfDead(x1)) {
  2876  			break
  2877  		}
  2878  		v.reset(OpARM64CMPshiftRA)
  2879  		v.AuxInt = int64ToAuxInt(c)
  2880  		v.AddArg2(x0, y)
  2881  		return true
  2882  	}
  2883  	// match: (CMP x0:(SRAconst [c] y) x1)
  2884  	// cond: clobberIfDead(x0)
  2885  	// result: (InvertFlags (CMPshiftRA x1 y [c]))
  2886  	for {
  2887  		x0 := v_0
  2888  		if x0.Op != OpARM64SRAconst {
  2889  			break
  2890  		}
  2891  		c := auxIntToInt64(x0.AuxInt)
  2892  		y := x0.Args[0]
  2893  		x1 := v_1
  2894  		if !(clobberIfDead(x0)) {
  2895  			break
  2896  		}
  2897  		v.reset(OpARM64InvertFlags)
  2898  		v0 := b.NewValue0(v.Pos, OpARM64CMPshiftRA, types.TypeFlags)
  2899  		v0.AuxInt = int64ToAuxInt(c)
  2900  		v0.AddArg2(x1, y)
  2901  		v.AddArg(v0)
  2902  		return true
  2903  	}
  2904  	return false
  2905  }
  2906  func rewriteValueARM64_OpARM64CMPW(v *Value) bool {
  2907  	v_1 := v.Args[1]
  2908  	v_0 := v.Args[0]
  2909  	b := v.Block
  2910  	// match: (CMPW x (MOVDconst [c]))
  2911  	// result: (CMPWconst [int32(c)] x)
  2912  	for {
  2913  		x := v_0
  2914  		if v_1.Op != OpARM64MOVDconst {
  2915  			break
  2916  		}
  2917  		c := auxIntToInt64(v_1.AuxInt)
  2918  		v.reset(OpARM64CMPWconst)
  2919  		v.AuxInt = int32ToAuxInt(int32(c))
  2920  		v.AddArg(x)
  2921  		return true
  2922  	}
  2923  	// match: (CMPW (MOVDconst [c]) x)
  2924  	// result: (InvertFlags (CMPWconst [int32(c)] x))
  2925  	for {
  2926  		if v_0.Op != OpARM64MOVDconst {
  2927  			break
  2928  		}
  2929  		c := auxIntToInt64(v_0.AuxInt)
  2930  		x := v_1
  2931  		v.reset(OpARM64InvertFlags)
  2932  		v0 := b.NewValue0(v.Pos, OpARM64CMPWconst, types.TypeFlags)
  2933  		v0.AuxInt = int32ToAuxInt(int32(c))
  2934  		v0.AddArg(x)
  2935  		v.AddArg(v0)
  2936  		return true
  2937  	}
  2938  	// match: (CMPW x y)
  2939  	// cond: canonLessThan(x,y)
  2940  	// result: (InvertFlags (CMPW y x))
  2941  	for {
  2942  		x := v_0
  2943  		y := v_1
  2944  		if !(canonLessThan(x, y)) {
  2945  			break
  2946  		}
  2947  		v.reset(OpARM64InvertFlags)
  2948  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
  2949  		v0.AddArg2(y, x)
  2950  		v.AddArg(v0)
  2951  		return true
  2952  	}
  2953  	return false
  2954  }
  2955  func rewriteValueARM64_OpARM64CMPWconst(v *Value) bool {
  2956  	v_0 := v.Args[0]
  2957  	// match: (CMPWconst [c] y)
  2958  	// cond: c < 0 && c != -1<<31
  2959  	// result: (CMNWconst [-c] y)
  2960  	for {
  2961  		c := auxIntToInt32(v.AuxInt)
  2962  		y := v_0
  2963  		if !(c < 0 && c != -1<<31) {
  2964  			break
  2965  		}
  2966  		v.reset(OpARM64CMNWconst)
  2967  		v.AuxInt = int32ToAuxInt(-c)
  2968  		v.AddArg(y)
  2969  		return true
  2970  	}
  2971  	// match: (CMPWconst (MOVDconst [x]) [y])
  2972  	// result: (FlagConstant [subFlags32(int32(x),y)])
  2973  	for {
  2974  		y := auxIntToInt32(v.AuxInt)
  2975  		if v_0.Op != OpARM64MOVDconst {
  2976  			break
  2977  		}
  2978  		x := auxIntToInt64(v_0.AuxInt)
  2979  		v.reset(OpARM64FlagConstant)
  2980  		v.AuxInt = flagConstantToAuxInt(subFlags32(int32(x), y))
  2981  		return true
  2982  	}
  2983  	// match: (CMPWconst (MOVBUreg _) [c])
  2984  	// cond: 0xff < c
  2985  	// result: (FlagConstant [subFlags64(0,1)])
  2986  	for {
  2987  		c := auxIntToInt32(v.AuxInt)
  2988  		if v_0.Op != OpARM64MOVBUreg || !(0xff < c) {
  2989  			break
  2990  		}
  2991  		v.reset(OpARM64FlagConstant)
  2992  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  2993  		return true
  2994  	}
  2995  	// match: (CMPWconst (MOVHUreg _) [c])
  2996  	// cond: 0xffff < c
  2997  	// result: (FlagConstant [subFlags64(0,1)])
  2998  	for {
  2999  		c := auxIntToInt32(v.AuxInt)
  3000  		if v_0.Op != OpARM64MOVHUreg || !(0xffff < c) {
  3001  			break
  3002  		}
  3003  		v.reset(OpARM64FlagConstant)
  3004  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  3005  		return true
  3006  	}
  3007  	return false
  3008  }
  3009  func rewriteValueARM64_OpARM64CMPconst(v *Value) bool {
  3010  	v_0 := v.Args[0]
  3011  	// match: (CMPconst [c] y)
  3012  	// cond: c < 0 && c != -1<<63
  3013  	// result: (CMNconst [-c] y)
  3014  	for {
  3015  		c := auxIntToInt64(v.AuxInt)
  3016  		y := v_0
  3017  		if !(c < 0 && c != -1<<63) {
  3018  			break
  3019  		}
  3020  		v.reset(OpARM64CMNconst)
  3021  		v.AuxInt = int64ToAuxInt(-c)
  3022  		v.AddArg(y)
  3023  		return true
  3024  	}
  3025  	// match: (CMPconst (MOVDconst [x]) [y])
  3026  	// result: (FlagConstant [subFlags64(x,y)])
  3027  	for {
  3028  		y := auxIntToInt64(v.AuxInt)
  3029  		if v_0.Op != OpARM64MOVDconst {
  3030  			break
  3031  		}
  3032  		x := auxIntToInt64(v_0.AuxInt)
  3033  		v.reset(OpARM64FlagConstant)
  3034  		v.AuxInt = flagConstantToAuxInt(subFlags64(x, y))
  3035  		return true
  3036  	}
  3037  	// match: (CMPconst (MOVBUreg _) [c])
  3038  	// cond: 0xff < c
  3039  	// result: (FlagConstant [subFlags64(0,1)])
  3040  	for {
  3041  		c := auxIntToInt64(v.AuxInt)
  3042  		if v_0.Op != OpARM64MOVBUreg || !(0xff < c) {
  3043  			break
  3044  		}
  3045  		v.reset(OpARM64FlagConstant)
  3046  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  3047  		return true
  3048  	}
  3049  	// match: (CMPconst (MOVHUreg _) [c])
  3050  	// cond: 0xffff < c
  3051  	// result: (FlagConstant [subFlags64(0,1)])
  3052  	for {
  3053  		c := auxIntToInt64(v.AuxInt)
  3054  		if v_0.Op != OpARM64MOVHUreg || !(0xffff < c) {
  3055  			break
  3056  		}
  3057  		v.reset(OpARM64FlagConstant)
  3058  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  3059  		return true
  3060  	}
  3061  	// match: (CMPconst (MOVWUreg _) [c])
  3062  	// cond: 0xffffffff < c
  3063  	// result: (FlagConstant [subFlags64(0,1)])
  3064  	for {
  3065  		c := auxIntToInt64(v.AuxInt)
  3066  		if v_0.Op != OpARM64MOVWUreg || !(0xffffffff < c) {
  3067  			break
  3068  		}
  3069  		v.reset(OpARM64FlagConstant)
  3070  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  3071  		return true
  3072  	}
  3073  	// match: (CMPconst (ANDconst _ [m]) [n])
  3074  	// cond: 0 <= m && m < n
  3075  	// result: (FlagConstant [subFlags64(0,1)])
  3076  	for {
  3077  		n := auxIntToInt64(v.AuxInt)
  3078  		if v_0.Op != OpARM64ANDconst {
  3079  			break
  3080  		}
  3081  		m := auxIntToInt64(v_0.AuxInt)
  3082  		if !(0 <= m && m < n) {
  3083  			break
  3084  		}
  3085  		v.reset(OpARM64FlagConstant)
  3086  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  3087  		return true
  3088  	}
  3089  	// match: (CMPconst (SRLconst _ [c]) [n])
  3090  	// cond: 0 <= n && 0 < c && c <= 63 && (1<<uint64(64-c)) <= uint64(n)
  3091  	// result: (FlagConstant [subFlags64(0,1)])
  3092  	for {
  3093  		n := auxIntToInt64(v.AuxInt)
  3094  		if v_0.Op != OpARM64SRLconst {
  3095  			break
  3096  		}
  3097  		c := auxIntToInt64(v_0.AuxInt)
  3098  		if !(0 <= n && 0 < c && c <= 63 && (1<<uint64(64-c)) <= uint64(n)) {
  3099  			break
  3100  		}
  3101  		v.reset(OpARM64FlagConstant)
  3102  		v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1))
  3103  		return true
  3104  	}
  3105  	return false
  3106  }
  3107  func rewriteValueARM64_OpARM64CMPshiftLL(v *Value) bool {
  3108  	v_1 := v.Args[1]
  3109  	v_0 := v.Args[0]
  3110  	b := v.Block
  3111  	// match: (CMPshiftLL (MOVDconst [c]) x [d])
  3112  	// result: (InvertFlags (CMPconst [c] (SLLconst <x.Type> x [d])))
  3113  	for {
  3114  		d := auxIntToInt64(v.AuxInt)
  3115  		if v_0.Op != OpARM64MOVDconst {
  3116  			break
  3117  		}
  3118  		c := auxIntToInt64(v_0.AuxInt)
  3119  		x := v_1
  3120  		v.reset(OpARM64InvertFlags)
  3121  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
  3122  		v0.AuxInt = int64ToAuxInt(c)
  3123  		v1 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  3124  		v1.AuxInt = int64ToAuxInt(d)
  3125  		v1.AddArg(x)
  3126  		v0.AddArg(v1)
  3127  		v.AddArg(v0)
  3128  		return true
  3129  	}
  3130  	// match: (CMPshiftLL x (MOVDconst [c]) [d])
  3131  	// result: (CMPconst x [int64(uint64(c)<<uint64(d))])
  3132  	for {
  3133  		d := auxIntToInt64(v.AuxInt)
  3134  		x := v_0
  3135  		if v_1.Op != OpARM64MOVDconst {
  3136  			break
  3137  		}
  3138  		c := auxIntToInt64(v_1.AuxInt)
  3139  		v.reset(OpARM64CMPconst)
  3140  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
  3141  		v.AddArg(x)
  3142  		return true
  3143  	}
  3144  	return false
  3145  }
  3146  func rewriteValueARM64_OpARM64CMPshiftRA(v *Value) bool {
  3147  	v_1 := v.Args[1]
  3148  	v_0 := v.Args[0]
  3149  	b := v.Block
  3150  	// match: (CMPshiftRA (MOVDconst [c]) x [d])
  3151  	// result: (InvertFlags (CMPconst [c] (SRAconst <x.Type> x [d])))
  3152  	for {
  3153  		d := auxIntToInt64(v.AuxInt)
  3154  		if v_0.Op != OpARM64MOVDconst {
  3155  			break
  3156  		}
  3157  		c := auxIntToInt64(v_0.AuxInt)
  3158  		x := v_1
  3159  		v.reset(OpARM64InvertFlags)
  3160  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
  3161  		v0.AuxInt = int64ToAuxInt(c)
  3162  		v1 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
  3163  		v1.AuxInt = int64ToAuxInt(d)
  3164  		v1.AddArg(x)
  3165  		v0.AddArg(v1)
  3166  		v.AddArg(v0)
  3167  		return true
  3168  	}
  3169  	// match: (CMPshiftRA x (MOVDconst [c]) [d])
  3170  	// result: (CMPconst x [c>>uint64(d)])
  3171  	for {
  3172  		d := auxIntToInt64(v.AuxInt)
  3173  		x := v_0
  3174  		if v_1.Op != OpARM64MOVDconst {
  3175  			break
  3176  		}
  3177  		c := auxIntToInt64(v_1.AuxInt)
  3178  		v.reset(OpARM64CMPconst)
  3179  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
  3180  		v.AddArg(x)
  3181  		return true
  3182  	}
  3183  	return false
  3184  }
  3185  func rewriteValueARM64_OpARM64CMPshiftRL(v *Value) bool {
  3186  	v_1 := v.Args[1]
  3187  	v_0 := v.Args[0]
  3188  	b := v.Block
  3189  	// match: (CMPshiftRL (MOVDconst [c]) x [d])
  3190  	// result: (InvertFlags (CMPconst [c] (SRLconst <x.Type> x [d])))
  3191  	for {
  3192  		d := auxIntToInt64(v.AuxInt)
  3193  		if v_0.Op != OpARM64MOVDconst {
  3194  			break
  3195  		}
  3196  		c := auxIntToInt64(v_0.AuxInt)
  3197  		x := v_1
  3198  		v.reset(OpARM64InvertFlags)
  3199  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
  3200  		v0.AuxInt = int64ToAuxInt(c)
  3201  		v1 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
  3202  		v1.AuxInt = int64ToAuxInt(d)
  3203  		v1.AddArg(x)
  3204  		v0.AddArg(v1)
  3205  		v.AddArg(v0)
  3206  		return true
  3207  	}
  3208  	// match: (CMPshiftRL x (MOVDconst [c]) [d])
  3209  	// result: (CMPconst x [int64(uint64(c)>>uint64(d))])
  3210  	for {
  3211  		d := auxIntToInt64(v.AuxInt)
  3212  		x := v_0
  3213  		if v_1.Op != OpARM64MOVDconst {
  3214  			break
  3215  		}
  3216  		c := auxIntToInt64(v_1.AuxInt)
  3217  		v.reset(OpARM64CMPconst)
  3218  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
  3219  		v.AddArg(x)
  3220  		return true
  3221  	}
  3222  	return false
  3223  }
  3224  func rewriteValueARM64_OpARM64CSEL(v *Value) bool {
  3225  	v_2 := v.Args[2]
  3226  	v_1 := v.Args[1]
  3227  	v_0 := v.Args[0]
  3228  	// match: (CSEL [cc] (MOVDconst [-1]) (MOVDconst [0]) flag)
  3229  	// result: (CSETM [cc] flag)
  3230  	for {
  3231  		cc := auxIntToOp(v.AuxInt)
  3232  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != -1 || v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  3233  			break
  3234  		}
  3235  		flag := v_2
  3236  		v.reset(OpARM64CSETM)
  3237  		v.AuxInt = opToAuxInt(cc)
  3238  		v.AddArg(flag)
  3239  		return true
  3240  	}
  3241  	// match: (CSEL [cc] (MOVDconst [0]) (MOVDconst [-1]) flag)
  3242  	// result: (CSETM [arm64Negate(cc)] flag)
  3243  	for {
  3244  		cc := auxIntToOp(v.AuxInt)
  3245  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 0 || v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 {
  3246  			break
  3247  		}
  3248  		flag := v_2
  3249  		v.reset(OpARM64CSETM)
  3250  		v.AuxInt = opToAuxInt(arm64Negate(cc))
  3251  		v.AddArg(flag)
  3252  		return true
  3253  	}
  3254  	// match: (CSEL [cc] x (MOVDconst [0]) flag)
  3255  	// result: (CSEL0 [cc] x flag)
  3256  	for {
  3257  		cc := auxIntToOp(v.AuxInt)
  3258  		x := v_0
  3259  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  3260  			break
  3261  		}
  3262  		flag := v_2
  3263  		v.reset(OpARM64CSEL0)
  3264  		v.AuxInt = opToAuxInt(cc)
  3265  		v.AddArg2(x, flag)
  3266  		return true
  3267  	}
  3268  	// match: (CSEL [cc] (MOVDconst [0]) y flag)
  3269  	// result: (CSEL0 [arm64Negate(cc)] y flag)
  3270  	for {
  3271  		cc := auxIntToOp(v.AuxInt)
  3272  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 0 {
  3273  			break
  3274  		}
  3275  		y := v_1
  3276  		flag := v_2
  3277  		v.reset(OpARM64CSEL0)
  3278  		v.AuxInt = opToAuxInt(arm64Negate(cc))
  3279  		v.AddArg2(y, flag)
  3280  		return true
  3281  	}
  3282  	// match: (CSEL [cc] x (ADDconst [1] a) flag)
  3283  	// result: (CSINC [cc] x a flag)
  3284  	for {
  3285  		cc := auxIntToOp(v.AuxInt)
  3286  		x := v_0
  3287  		if v_1.Op != OpARM64ADDconst || auxIntToInt64(v_1.AuxInt) != 1 {
  3288  			break
  3289  		}
  3290  		a := v_1.Args[0]
  3291  		flag := v_2
  3292  		v.reset(OpARM64CSINC)
  3293  		v.AuxInt = opToAuxInt(cc)
  3294  		v.AddArg3(x, a, flag)
  3295  		return true
  3296  	}
  3297  	// match: (CSEL [cc] (ADDconst [1] a) x flag)
  3298  	// result: (CSINC [arm64Negate(cc)] x a flag)
  3299  	for {
  3300  		cc := auxIntToOp(v.AuxInt)
  3301  		if v_0.Op != OpARM64ADDconst || auxIntToInt64(v_0.AuxInt) != 1 {
  3302  			break
  3303  		}
  3304  		a := v_0.Args[0]
  3305  		x := v_1
  3306  		flag := v_2
  3307  		v.reset(OpARM64CSINC)
  3308  		v.AuxInt = opToAuxInt(arm64Negate(cc))
  3309  		v.AddArg3(x, a, flag)
  3310  		return true
  3311  	}
  3312  	// match: (CSEL [cc] x (MVN a) flag)
  3313  	// result: (CSINV [cc] x a flag)
  3314  	for {
  3315  		cc := auxIntToOp(v.AuxInt)
  3316  		x := v_0
  3317  		if v_1.Op != OpARM64MVN {
  3318  			break
  3319  		}
  3320  		a := v_1.Args[0]
  3321  		flag := v_2
  3322  		v.reset(OpARM64CSINV)
  3323  		v.AuxInt = opToAuxInt(cc)
  3324  		v.AddArg3(x, a, flag)
  3325  		return true
  3326  	}
  3327  	// match: (CSEL [cc] (MVN a) x flag)
  3328  	// result: (CSINV [arm64Negate(cc)] x a flag)
  3329  	for {
  3330  		cc := auxIntToOp(v.AuxInt)
  3331  		if v_0.Op != OpARM64MVN {
  3332  			break
  3333  		}
  3334  		a := v_0.Args[0]
  3335  		x := v_1
  3336  		flag := v_2
  3337  		v.reset(OpARM64CSINV)
  3338  		v.AuxInt = opToAuxInt(arm64Negate(cc))
  3339  		v.AddArg3(x, a, flag)
  3340  		return true
  3341  	}
  3342  	// match: (CSEL [cc] x (NEG a) flag)
  3343  	// result: (CSNEG [cc] x a flag)
  3344  	for {
  3345  		cc := auxIntToOp(v.AuxInt)
  3346  		x := v_0
  3347  		if v_1.Op != OpARM64NEG {
  3348  			break
  3349  		}
  3350  		a := v_1.Args[0]
  3351  		flag := v_2
  3352  		v.reset(OpARM64CSNEG)
  3353  		v.AuxInt = opToAuxInt(cc)
  3354  		v.AddArg3(x, a, flag)
  3355  		return true
  3356  	}
  3357  	// match: (CSEL [cc] (NEG a) x flag)
  3358  	// result: (CSNEG [arm64Negate(cc)] x a flag)
  3359  	for {
  3360  		cc := auxIntToOp(v.AuxInt)
  3361  		if v_0.Op != OpARM64NEG {
  3362  			break
  3363  		}
  3364  		a := v_0.Args[0]
  3365  		x := v_1
  3366  		flag := v_2
  3367  		v.reset(OpARM64CSNEG)
  3368  		v.AuxInt = opToAuxInt(arm64Negate(cc))
  3369  		v.AddArg3(x, a, flag)
  3370  		return true
  3371  	}
  3372  	// match: (CSEL [cc] x y (InvertFlags cmp))
  3373  	// result: (CSEL [arm64Invert(cc)] x y cmp)
  3374  	for {
  3375  		cc := auxIntToOp(v.AuxInt)
  3376  		x := v_0
  3377  		y := v_1
  3378  		if v_2.Op != OpARM64InvertFlags {
  3379  			break
  3380  		}
  3381  		cmp := v_2.Args[0]
  3382  		v.reset(OpARM64CSEL)
  3383  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  3384  		v.AddArg3(x, y, cmp)
  3385  		return true
  3386  	}
  3387  	// match: (CSEL [cc] x _ flag)
  3388  	// cond: ccARM64Eval(cc, flag) > 0
  3389  	// result: x
  3390  	for {
  3391  		cc := auxIntToOp(v.AuxInt)
  3392  		x := v_0
  3393  		flag := v_2
  3394  		if !(ccARM64Eval(cc, flag) > 0) {
  3395  			break
  3396  		}
  3397  		v.copyOf(x)
  3398  		return true
  3399  	}
  3400  	// match: (CSEL [cc] _ y flag)
  3401  	// cond: ccARM64Eval(cc, flag) < 0
  3402  	// result: y
  3403  	for {
  3404  		cc := auxIntToOp(v.AuxInt)
  3405  		y := v_1
  3406  		flag := v_2
  3407  		if !(ccARM64Eval(cc, flag) < 0) {
  3408  			break
  3409  		}
  3410  		v.copyOf(y)
  3411  		return true
  3412  	}
  3413  	// match: (CSEL [cc] x y (CMPWconst [0] boolval))
  3414  	// cond: cc == OpARM64NotEqual && flagArg(boolval) != nil
  3415  	// result: (CSEL [boolval.Op] x y flagArg(boolval))
  3416  	for {
  3417  		cc := auxIntToOp(v.AuxInt)
  3418  		x := v_0
  3419  		y := v_1
  3420  		if v_2.Op != OpARM64CMPWconst || auxIntToInt32(v_2.AuxInt) != 0 {
  3421  			break
  3422  		}
  3423  		boolval := v_2.Args[0]
  3424  		if !(cc == OpARM64NotEqual && flagArg(boolval) != nil) {
  3425  			break
  3426  		}
  3427  		v.reset(OpARM64CSEL)
  3428  		v.AuxInt = opToAuxInt(boolval.Op)
  3429  		v.AddArg3(x, y, flagArg(boolval))
  3430  		return true
  3431  	}
  3432  	// match: (CSEL [cc] x y (CMPWconst [0] boolval))
  3433  	// cond: cc == OpARM64Equal && flagArg(boolval) != nil
  3434  	// result: (CSEL [arm64Negate(boolval.Op)] x y flagArg(boolval))
  3435  	for {
  3436  		cc := auxIntToOp(v.AuxInt)
  3437  		x := v_0
  3438  		y := v_1
  3439  		if v_2.Op != OpARM64CMPWconst || auxIntToInt32(v_2.AuxInt) != 0 {
  3440  			break
  3441  		}
  3442  		boolval := v_2.Args[0]
  3443  		if !(cc == OpARM64Equal && flagArg(boolval) != nil) {
  3444  			break
  3445  		}
  3446  		v.reset(OpARM64CSEL)
  3447  		v.AuxInt = opToAuxInt(arm64Negate(boolval.Op))
  3448  		v.AddArg3(x, y, flagArg(boolval))
  3449  		return true
  3450  	}
  3451  	return false
  3452  }
  3453  func rewriteValueARM64_OpARM64CSEL0(v *Value) bool {
  3454  	v_1 := v.Args[1]
  3455  	v_0 := v.Args[0]
  3456  	// match: (CSEL0 [cc] x (InvertFlags cmp))
  3457  	// result: (CSEL0 [arm64Invert(cc)] x cmp)
  3458  	for {
  3459  		cc := auxIntToOp(v.AuxInt)
  3460  		x := v_0
  3461  		if v_1.Op != OpARM64InvertFlags {
  3462  			break
  3463  		}
  3464  		cmp := v_1.Args[0]
  3465  		v.reset(OpARM64CSEL0)
  3466  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  3467  		v.AddArg2(x, cmp)
  3468  		return true
  3469  	}
  3470  	// match: (CSEL0 [cc] x flag)
  3471  	// cond: ccARM64Eval(cc, flag) > 0
  3472  	// result: x
  3473  	for {
  3474  		cc := auxIntToOp(v.AuxInt)
  3475  		x := v_0
  3476  		flag := v_1
  3477  		if !(ccARM64Eval(cc, flag) > 0) {
  3478  			break
  3479  		}
  3480  		v.copyOf(x)
  3481  		return true
  3482  	}
  3483  	// match: (CSEL0 [cc] _ flag)
  3484  	// cond: ccARM64Eval(cc, flag) < 0
  3485  	// result: (MOVDconst [0])
  3486  	for {
  3487  		cc := auxIntToOp(v.AuxInt)
  3488  		flag := v_1
  3489  		if !(ccARM64Eval(cc, flag) < 0) {
  3490  			break
  3491  		}
  3492  		v.reset(OpARM64MOVDconst)
  3493  		v.AuxInt = int64ToAuxInt(0)
  3494  		return true
  3495  	}
  3496  	// match: (CSEL0 [cc] x (CMPWconst [0] boolval))
  3497  	// cond: cc == OpARM64NotEqual && flagArg(boolval) != nil
  3498  	// result: (CSEL0 [boolval.Op] x flagArg(boolval))
  3499  	for {
  3500  		cc := auxIntToOp(v.AuxInt)
  3501  		x := v_0
  3502  		if v_1.Op != OpARM64CMPWconst || auxIntToInt32(v_1.AuxInt) != 0 {
  3503  			break
  3504  		}
  3505  		boolval := v_1.Args[0]
  3506  		if !(cc == OpARM64NotEqual && flagArg(boolval) != nil) {
  3507  			break
  3508  		}
  3509  		v.reset(OpARM64CSEL0)
  3510  		v.AuxInt = opToAuxInt(boolval.Op)
  3511  		v.AddArg2(x, flagArg(boolval))
  3512  		return true
  3513  	}
  3514  	// match: (CSEL0 [cc] x (CMPWconst [0] boolval))
  3515  	// cond: cc == OpARM64Equal && flagArg(boolval) != nil
  3516  	// result: (CSEL0 [arm64Negate(boolval.Op)] x flagArg(boolval))
  3517  	for {
  3518  		cc := auxIntToOp(v.AuxInt)
  3519  		x := v_0
  3520  		if v_1.Op != OpARM64CMPWconst || auxIntToInt32(v_1.AuxInt) != 0 {
  3521  			break
  3522  		}
  3523  		boolval := v_1.Args[0]
  3524  		if !(cc == OpARM64Equal && flagArg(boolval) != nil) {
  3525  			break
  3526  		}
  3527  		v.reset(OpARM64CSEL0)
  3528  		v.AuxInt = opToAuxInt(arm64Negate(boolval.Op))
  3529  		v.AddArg2(x, flagArg(boolval))
  3530  		return true
  3531  	}
  3532  	return false
  3533  }
  3534  func rewriteValueARM64_OpARM64CSETM(v *Value) bool {
  3535  	v_0 := v.Args[0]
  3536  	// match: (CSETM [cc] (InvertFlags cmp))
  3537  	// result: (CSETM [arm64Invert(cc)] cmp)
  3538  	for {
  3539  		cc := auxIntToOp(v.AuxInt)
  3540  		if v_0.Op != OpARM64InvertFlags {
  3541  			break
  3542  		}
  3543  		cmp := v_0.Args[0]
  3544  		v.reset(OpARM64CSETM)
  3545  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  3546  		v.AddArg(cmp)
  3547  		return true
  3548  	}
  3549  	// match: (CSETM [cc] flag)
  3550  	// cond: ccARM64Eval(cc, flag) > 0
  3551  	// result: (MOVDconst [-1])
  3552  	for {
  3553  		cc := auxIntToOp(v.AuxInt)
  3554  		flag := v_0
  3555  		if !(ccARM64Eval(cc, flag) > 0) {
  3556  			break
  3557  		}
  3558  		v.reset(OpARM64MOVDconst)
  3559  		v.AuxInt = int64ToAuxInt(-1)
  3560  		return true
  3561  	}
  3562  	// match: (CSETM [cc] flag)
  3563  	// cond: ccARM64Eval(cc, flag) < 0
  3564  	// result: (MOVDconst [0])
  3565  	for {
  3566  		cc := auxIntToOp(v.AuxInt)
  3567  		flag := v_0
  3568  		if !(ccARM64Eval(cc, flag) < 0) {
  3569  			break
  3570  		}
  3571  		v.reset(OpARM64MOVDconst)
  3572  		v.AuxInt = int64ToAuxInt(0)
  3573  		return true
  3574  	}
  3575  	return false
  3576  }
  3577  func rewriteValueARM64_OpARM64CSINC(v *Value) bool {
  3578  	v_2 := v.Args[2]
  3579  	v_1 := v.Args[1]
  3580  	v_0 := v.Args[0]
  3581  	// match: (CSINC [cc] x y (InvertFlags cmp))
  3582  	// result: (CSINC [arm64Invert(cc)] x y cmp)
  3583  	for {
  3584  		cc := auxIntToOp(v.AuxInt)
  3585  		x := v_0
  3586  		y := v_1
  3587  		if v_2.Op != OpARM64InvertFlags {
  3588  			break
  3589  		}
  3590  		cmp := v_2.Args[0]
  3591  		v.reset(OpARM64CSINC)
  3592  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  3593  		v.AddArg3(x, y, cmp)
  3594  		return true
  3595  	}
  3596  	// match: (CSINC [cc] x _ flag)
  3597  	// cond: ccARM64Eval(cc, flag) > 0
  3598  	// result: x
  3599  	for {
  3600  		cc := auxIntToOp(v.AuxInt)
  3601  		x := v_0
  3602  		flag := v_2
  3603  		if !(ccARM64Eval(cc, flag) > 0) {
  3604  			break
  3605  		}
  3606  		v.copyOf(x)
  3607  		return true
  3608  	}
  3609  	// match: (CSINC [cc] _ y flag)
  3610  	// cond: ccARM64Eval(cc, flag) < 0
  3611  	// result: (ADDconst [1] y)
  3612  	for {
  3613  		cc := auxIntToOp(v.AuxInt)
  3614  		y := v_1
  3615  		flag := v_2
  3616  		if !(ccARM64Eval(cc, flag) < 0) {
  3617  			break
  3618  		}
  3619  		v.reset(OpARM64ADDconst)
  3620  		v.AuxInt = int64ToAuxInt(1)
  3621  		v.AddArg(y)
  3622  		return true
  3623  	}
  3624  	return false
  3625  }
  3626  func rewriteValueARM64_OpARM64CSINV(v *Value) bool {
  3627  	v_2 := v.Args[2]
  3628  	v_1 := v.Args[1]
  3629  	v_0 := v.Args[0]
  3630  	// match: (CSINV [cc] x y (InvertFlags cmp))
  3631  	// result: (CSINV [arm64Invert(cc)] x y cmp)
  3632  	for {
  3633  		cc := auxIntToOp(v.AuxInt)
  3634  		x := v_0
  3635  		y := v_1
  3636  		if v_2.Op != OpARM64InvertFlags {
  3637  			break
  3638  		}
  3639  		cmp := v_2.Args[0]
  3640  		v.reset(OpARM64CSINV)
  3641  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  3642  		v.AddArg3(x, y, cmp)
  3643  		return true
  3644  	}
  3645  	// match: (CSINV [cc] x _ flag)
  3646  	// cond: ccARM64Eval(cc, flag) > 0
  3647  	// result: x
  3648  	for {
  3649  		cc := auxIntToOp(v.AuxInt)
  3650  		x := v_0
  3651  		flag := v_2
  3652  		if !(ccARM64Eval(cc, flag) > 0) {
  3653  			break
  3654  		}
  3655  		v.copyOf(x)
  3656  		return true
  3657  	}
  3658  	// match: (CSINV [cc] _ y flag)
  3659  	// cond: ccARM64Eval(cc, flag) < 0
  3660  	// result: (Not y)
  3661  	for {
  3662  		cc := auxIntToOp(v.AuxInt)
  3663  		y := v_1
  3664  		flag := v_2
  3665  		if !(ccARM64Eval(cc, flag) < 0) {
  3666  			break
  3667  		}
  3668  		v.reset(OpNot)
  3669  		v.AddArg(y)
  3670  		return true
  3671  	}
  3672  	return false
  3673  }
  3674  func rewriteValueARM64_OpARM64CSNEG(v *Value) bool {
  3675  	v_2 := v.Args[2]
  3676  	v_1 := v.Args[1]
  3677  	v_0 := v.Args[0]
  3678  	// match: (CSNEG [cc] x y (InvertFlags cmp))
  3679  	// result: (CSNEG [arm64Invert(cc)] x y cmp)
  3680  	for {
  3681  		cc := auxIntToOp(v.AuxInt)
  3682  		x := v_0
  3683  		y := v_1
  3684  		if v_2.Op != OpARM64InvertFlags {
  3685  			break
  3686  		}
  3687  		cmp := v_2.Args[0]
  3688  		v.reset(OpARM64CSNEG)
  3689  		v.AuxInt = opToAuxInt(arm64Invert(cc))
  3690  		v.AddArg3(x, y, cmp)
  3691  		return true
  3692  	}
  3693  	// match: (CSNEG [cc] x _ flag)
  3694  	// cond: ccARM64Eval(cc, flag) > 0
  3695  	// result: x
  3696  	for {
  3697  		cc := auxIntToOp(v.AuxInt)
  3698  		x := v_0
  3699  		flag := v_2
  3700  		if !(ccARM64Eval(cc, flag) > 0) {
  3701  			break
  3702  		}
  3703  		v.copyOf(x)
  3704  		return true
  3705  	}
  3706  	// match: (CSNEG [cc] _ y flag)
  3707  	// cond: ccARM64Eval(cc, flag) < 0
  3708  	// result: (NEG y)
  3709  	for {
  3710  		cc := auxIntToOp(v.AuxInt)
  3711  		y := v_1
  3712  		flag := v_2
  3713  		if !(ccARM64Eval(cc, flag) < 0) {
  3714  			break
  3715  		}
  3716  		v.reset(OpARM64NEG)
  3717  		v.AddArg(y)
  3718  		return true
  3719  	}
  3720  	return false
  3721  }
  3722  func rewriteValueARM64_OpARM64DIV(v *Value) bool {
  3723  	v_1 := v.Args[1]
  3724  	v_0 := v.Args[0]
  3725  	// match: (DIV (MOVDconst [c]) (MOVDconst [d]))
  3726  	// cond: d != 0
  3727  	// result: (MOVDconst [c/d])
  3728  	for {
  3729  		if v_0.Op != OpARM64MOVDconst {
  3730  			break
  3731  		}
  3732  		c := auxIntToInt64(v_0.AuxInt)
  3733  		if v_1.Op != OpARM64MOVDconst {
  3734  			break
  3735  		}
  3736  		d := auxIntToInt64(v_1.AuxInt)
  3737  		if !(d != 0) {
  3738  			break
  3739  		}
  3740  		v.reset(OpARM64MOVDconst)
  3741  		v.AuxInt = int64ToAuxInt(c / d)
  3742  		return true
  3743  	}
  3744  	return false
  3745  }
  3746  func rewriteValueARM64_OpARM64DIVW(v *Value) bool {
  3747  	v_1 := v.Args[1]
  3748  	v_0 := v.Args[0]
  3749  	// match: (DIVW (MOVDconst [c]) (MOVDconst [d]))
  3750  	// cond: d != 0
  3751  	// result: (MOVDconst [int64(uint32(int32(c)/int32(d)))])
  3752  	for {
  3753  		if v_0.Op != OpARM64MOVDconst {
  3754  			break
  3755  		}
  3756  		c := auxIntToInt64(v_0.AuxInt)
  3757  		if v_1.Op != OpARM64MOVDconst {
  3758  			break
  3759  		}
  3760  		d := auxIntToInt64(v_1.AuxInt)
  3761  		if !(d != 0) {
  3762  			break
  3763  		}
  3764  		v.reset(OpARM64MOVDconst)
  3765  		v.AuxInt = int64ToAuxInt(int64(uint32(int32(c) / int32(d))))
  3766  		return true
  3767  	}
  3768  	return false
  3769  }
  3770  func rewriteValueARM64_OpARM64EON(v *Value) bool {
  3771  	v_1 := v.Args[1]
  3772  	v_0 := v.Args[0]
  3773  	// match: (EON x (MOVDconst [c]))
  3774  	// result: (XORconst [^c] x)
  3775  	for {
  3776  		x := v_0
  3777  		if v_1.Op != OpARM64MOVDconst {
  3778  			break
  3779  		}
  3780  		c := auxIntToInt64(v_1.AuxInt)
  3781  		v.reset(OpARM64XORconst)
  3782  		v.AuxInt = int64ToAuxInt(^c)
  3783  		v.AddArg(x)
  3784  		return true
  3785  	}
  3786  	// match: (EON x x)
  3787  	// result: (MOVDconst [-1])
  3788  	for {
  3789  		x := v_0
  3790  		if x != v_1 {
  3791  			break
  3792  		}
  3793  		v.reset(OpARM64MOVDconst)
  3794  		v.AuxInt = int64ToAuxInt(-1)
  3795  		return true
  3796  	}
  3797  	// match: (EON x0 x1:(SLLconst [c] y))
  3798  	// cond: clobberIfDead(x1)
  3799  	// result: (EONshiftLL x0 y [c])
  3800  	for {
  3801  		x0 := v_0
  3802  		x1 := v_1
  3803  		if x1.Op != OpARM64SLLconst {
  3804  			break
  3805  		}
  3806  		c := auxIntToInt64(x1.AuxInt)
  3807  		y := x1.Args[0]
  3808  		if !(clobberIfDead(x1)) {
  3809  			break
  3810  		}
  3811  		v.reset(OpARM64EONshiftLL)
  3812  		v.AuxInt = int64ToAuxInt(c)
  3813  		v.AddArg2(x0, y)
  3814  		return true
  3815  	}
  3816  	// match: (EON x0 x1:(SRLconst [c] y))
  3817  	// cond: clobberIfDead(x1)
  3818  	// result: (EONshiftRL x0 y [c])
  3819  	for {
  3820  		x0 := v_0
  3821  		x1 := v_1
  3822  		if x1.Op != OpARM64SRLconst {
  3823  			break
  3824  		}
  3825  		c := auxIntToInt64(x1.AuxInt)
  3826  		y := x1.Args[0]
  3827  		if !(clobberIfDead(x1)) {
  3828  			break
  3829  		}
  3830  		v.reset(OpARM64EONshiftRL)
  3831  		v.AuxInt = int64ToAuxInt(c)
  3832  		v.AddArg2(x0, y)
  3833  		return true
  3834  	}
  3835  	// match: (EON x0 x1:(SRAconst [c] y))
  3836  	// cond: clobberIfDead(x1)
  3837  	// result: (EONshiftRA x0 y [c])
  3838  	for {
  3839  		x0 := v_0
  3840  		x1 := v_1
  3841  		if x1.Op != OpARM64SRAconst {
  3842  			break
  3843  		}
  3844  		c := auxIntToInt64(x1.AuxInt)
  3845  		y := x1.Args[0]
  3846  		if !(clobberIfDead(x1)) {
  3847  			break
  3848  		}
  3849  		v.reset(OpARM64EONshiftRA)
  3850  		v.AuxInt = int64ToAuxInt(c)
  3851  		v.AddArg2(x0, y)
  3852  		return true
  3853  	}
  3854  	// match: (EON x0 x1:(RORconst [c] y))
  3855  	// cond: clobberIfDead(x1)
  3856  	// result: (EONshiftRO x0 y [c])
  3857  	for {
  3858  		x0 := v_0
  3859  		x1 := v_1
  3860  		if x1.Op != OpARM64RORconst {
  3861  			break
  3862  		}
  3863  		c := auxIntToInt64(x1.AuxInt)
  3864  		y := x1.Args[0]
  3865  		if !(clobberIfDead(x1)) {
  3866  			break
  3867  		}
  3868  		v.reset(OpARM64EONshiftRO)
  3869  		v.AuxInt = int64ToAuxInt(c)
  3870  		v.AddArg2(x0, y)
  3871  		return true
  3872  	}
  3873  	return false
  3874  }
  3875  func rewriteValueARM64_OpARM64EONshiftLL(v *Value) bool {
  3876  	v_1 := v.Args[1]
  3877  	v_0 := v.Args[0]
  3878  	// match: (EONshiftLL x (MOVDconst [c]) [d])
  3879  	// result: (XORconst x [^int64(uint64(c)<<uint64(d))])
  3880  	for {
  3881  		d := auxIntToInt64(v.AuxInt)
  3882  		x := v_0
  3883  		if v_1.Op != OpARM64MOVDconst {
  3884  			break
  3885  		}
  3886  		c := auxIntToInt64(v_1.AuxInt)
  3887  		v.reset(OpARM64XORconst)
  3888  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) << uint64(d)))
  3889  		v.AddArg(x)
  3890  		return true
  3891  	}
  3892  	// match: (EONshiftLL (SLLconst x [c]) x [c])
  3893  	// result: (MOVDconst [-1])
  3894  	for {
  3895  		c := auxIntToInt64(v.AuxInt)
  3896  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
  3897  			break
  3898  		}
  3899  		x := v_0.Args[0]
  3900  		if x != v_1 {
  3901  			break
  3902  		}
  3903  		v.reset(OpARM64MOVDconst)
  3904  		v.AuxInt = int64ToAuxInt(-1)
  3905  		return true
  3906  	}
  3907  	return false
  3908  }
  3909  func rewriteValueARM64_OpARM64EONshiftRA(v *Value) bool {
  3910  	v_1 := v.Args[1]
  3911  	v_0 := v.Args[0]
  3912  	// match: (EONshiftRA x (MOVDconst [c]) [d])
  3913  	// result: (XORconst x [^(c>>uint64(d))])
  3914  	for {
  3915  		d := auxIntToInt64(v.AuxInt)
  3916  		x := v_0
  3917  		if v_1.Op != OpARM64MOVDconst {
  3918  			break
  3919  		}
  3920  		c := auxIntToInt64(v_1.AuxInt)
  3921  		v.reset(OpARM64XORconst)
  3922  		v.AuxInt = int64ToAuxInt(^(c >> uint64(d)))
  3923  		v.AddArg(x)
  3924  		return true
  3925  	}
  3926  	// match: (EONshiftRA (SRAconst x [c]) x [c])
  3927  	// result: (MOVDconst [-1])
  3928  	for {
  3929  		c := auxIntToInt64(v.AuxInt)
  3930  		if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c {
  3931  			break
  3932  		}
  3933  		x := v_0.Args[0]
  3934  		if x != v_1 {
  3935  			break
  3936  		}
  3937  		v.reset(OpARM64MOVDconst)
  3938  		v.AuxInt = int64ToAuxInt(-1)
  3939  		return true
  3940  	}
  3941  	return false
  3942  }
  3943  func rewriteValueARM64_OpARM64EONshiftRL(v *Value) bool {
  3944  	v_1 := v.Args[1]
  3945  	v_0 := v.Args[0]
  3946  	// match: (EONshiftRL x (MOVDconst [c]) [d])
  3947  	// result: (XORconst x [^int64(uint64(c)>>uint64(d))])
  3948  	for {
  3949  		d := auxIntToInt64(v.AuxInt)
  3950  		x := v_0
  3951  		if v_1.Op != OpARM64MOVDconst {
  3952  			break
  3953  		}
  3954  		c := auxIntToInt64(v_1.AuxInt)
  3955  		v.reset(OpARM64XORconst)
  3956  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) >> uint64(d)))
  3957  		v.AddArg(x)
  3958  		return true
  3959  	}
  3960  	// match: (EONshiftRL (SRLconst x [c]) x [c])
  3961  	// result: (MOVDconst [-1])
  3962  	for {
  3963  		c := auxIntToInt64(v.AuxInt)
  3964  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
  3965  			break
  3966  		}
  3967  		x := v_0.Args[0]
  3968  		if x != v_1 {
  3969  			break
  3970  		}
  3971  		v.reset(OpARM64MOVDconst)
  3972  		v.AuxInt = int64ToAuxInt(-1)
  3973  		return true
  3974  	}
  3975  	return false
  3976  }
  3977  func rewriteValueARM64_OpARM64EONshiftRO(v *Value) bool {
  3978  	v_1 := v.Args[1]
  3979  	v_0 := v.Args[0]
  3980  	// match: (EONshiftRO x (MOVDconst [c]) [d])
  3981  	// result: (XORconst x [^rotateRight64(c, d)])
  3982  	for {
  3983  		d := auxIntToInt64(v.AuxInt)
  3984  		x := v_0
  3985  		if v_1.Op != OpARM64MOVDconst {
  3986  			break
  3987  		}
  3988  		c := auxIntToInt64(v_1.AuxInt)
  3989  		v.reset(OpARM64XORconst)
  3990  		v.AuxInt = int64ToAuxInt(^rotateRight64(c, d))
  3991  		v.AddArg(x)
  3992  		return true
  3993  	}
  3994  	// match: (EONshiftRO (RORconst x [c]) x [c])
  3995  	// result: (MOVDconst [-1])
  3996  	for {
  3997  		c := auxIntToInt64(v.AuxInt)
  3998  		if v_0.Op != OpARM64RORconst || auxIntToInt64(v_0.AuxInt) != c {
  3999  			break
  4000  		}
  4001  		x := v_0.Args[0]
  4002  		if x != v_1 {
  4003  			break
  4004  		}
  4005  		v.reset(OpARM64MOVDconst)
  4006  		v.AuxInt = int64ToAuxInt(-1)
  4007  		return true
  4008  	}
  4009  	return false
  4010  }
  4011  func rewriteValueARM64_OpARM64Equal(v *Value) bool {
  4012  	v_0 := v.Args[0]
  4013  	b := v.Block
  4014  	// match: (Equal (CMPconst [0] z:(AND x y)))
  4015  	// cond: z.Uses == 1
  4016  	// result: (Equal (TST x y))
  4017  	for {
  4018  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  4019  			break
  4020  		}
  4021  		z := v_0.Args[0]
  4022  		if z.Op != OpARM64AND {
  4023  			break
  4024  		}
  4025  		y := z.Args[1]
  4026  		x := z.Args[0]
  4027  		if !(z.Uses == 1) {
  4028  			break
  4029  		}
  4030  		v.reset(OpARM64Equal)
  4031  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
  4032  		v0.AddArg2(x, y)
  4033  		v.AddArg(v0)
  4034  		return true
  4035  	}
  4036  	// match: (Equal (CMPWconst [0] x:(ANDconst [c] y)))
  4037  	// cond: x.Uses == 1
  4038  	// result: (Equal (TSTWconst [int32(c)] y))
  4039  	for {
  4040  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  4041  			break
  4042  		}
  4043  		x := v_0.Args[0]
  4044  		if x.Op != OpARM64ANDconst {
  4045  			break
  4046  		}
  4047  		c := auxIntToInt64(x.AuxInt)
  4048  		y := x.Args[0]
  4049  		if !(x.Uses == 1) {
  4050  			break
  4051  		}
  4052  		v.reset(OpARM64Equal)
  4053  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
  4054  		v0.AuxInt = int32ToAuxInt(int32(c))
  4055  		v0.AddArg(y)
  4056  		v.AddArg(v0)
  4057  		return true
  4058  	}
  4059  	// match: (Equal (CMPWconst [0] z:(AND x y)))
  4060  	// cond: z.Uses == 1
  4061  	// result: (Equal (TSTW x y))
  4062  	for {
  4063  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  4064  			break
  4065  		}
  4066  		z := v_0.Args[0]
  4067  		if z.Op != OpARM64AND {
  4068  			break
  4069  		}
  4070  		y := z.Args[1]
  4071  		x := z.Args[0]
  4072  		if !(z.Uses == 1) {
  4073  			break
  4074  		}
  4075  		v.reset(OpARM64Equal)
  4076  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
  4077  		v0.AddArg2(x, y)
  4078  		v.AddArg(v0)
  4079  		return true
  4080  	}
  4081  	// match: (Equal (CMPconst [0] x:(ANDconst [c] y)))
  4082  	// cond: x.Uses == 1
  4083  	// result: (Equal (TSTconst [c] y))
  4084  	for {
  4085  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  4086  			break
  4087  		}
  4088  		x := v_0.Args[0]
  4089  		if x.Op != OpARM64ANDconst {
  4090  			break
  4091  		}
  4092  		c := auxIntToInt64(x.AuxInt)
  4093  		y := x.Args[0]
  4094  		if !(x.Uses == 1) {
  4095  			break
  4096  		}
  4097  		v.reset(OpARM64Equal)
  4098  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
  4099  		v0.AuxInt = int64ToAuxInt(c)
  4100  		v0.AddArg(y)
  4101  		v.AddArg(v0)
  4102  		return true
  4103  	}
  4104  	// match: (Equal (CMP x z:(NEG y)))
  4105  	// cond: z.Uses == 1
  4106  	// result: (Equal (CMN x y))
  4107  	for {
  4108  		if v_0.Op != OpARM64CMP {
  4109  			break
  4110  		}
  4111  		_ = v_0.Args[1]
  4112  		x := v_0.Args[0]
  4113  		z := v_0.Args[1]
  4114  		if z.Op != OpARM64NEG {
  4115  			break
  4116  		}
  4117  		y := z.Args[0]
  4118  		if !(z.Uses == 1) {
  4119  			break
  4120  		}
  4121  		v.reset(OpARM64Equal)
  4122  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  4123  		v0.AddArg2(x, y)
  4124  		v.AddArg(v0)
  4125  		return true
  4126  	}
  4127  	// match: (Equal (CMPW x z:(NEG y)))
  4128  	// cond: z.Uses == 1
  4129  	// result: (Equal (CMNW x y))
  4130  	for {
  4131  		if v_0.Op != OpARM64CMPW {
  4132  			break
  4133  		}
  4134  		_ = v_0.Args[1]
  4135  		x := v_0.Args[0]
  4136  		z := v_0.Args[1]
  4137  		if z.Op != OpARM64NEG {
  4138  			break
  4139  		}
  4140  		y := z.Args[0]
  4141  		if !(z.Uses == 1) {
  4142  			break
  4143  		}
  4144  		v.reset(OpARM64Equal)
  4145  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  4146  		v0.AddArg2(x, y)
  4147  		v.AddArg(v0)
  4148  		return true
  4149  	}
  4150  	// match: (Equal (CMPconst [0] x:(ADDconst [c] y)))
  4151  	// cond: x.Uses == 1
  4152  	// result: (Equal (CMNconst [c] y))
  4153  	for {
  4154  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  4155  			break
  4156  		}
  4157  		x := v_0.Args[0]
  4158  		if x.Op != OpARM64ADDconst {
  4159  			break
  4160  		}
  4161  		c := auxIntToInt64(x.AuxInt)
  4162  		y := x.Args[0]
  4163  		if !(x.Uses == 1) {
  4164  			break
  4165  		}
  4166  		v.reset(OpARM64Equal)
  4167  		v0 := b.NewValue0(v.Pos, OpARM64CMNconst, types.TypeFlags)
  4168  		v0.AuxInt = int64ToAuxInt(c)
  4169  		v0.AddArg(y)
  4170  		v.AddArg(v0)
  4171  		return true
  4172  	}
  4173  	// match: (Equal (CMPWconst [0] x:(ADDconst [c] y)))
  4174  	// cond: x.Uses == 1
  4175  	// result: (Equal (CMNWconst [int32(c)] y))
  4176  	for {
  4177  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  4178  			break
  4179  		}
  4180  		x := v_0.Args[0]
  4181  		if x.Op != OpARM64ADDconst {
  4182  			break
  4183  		}
  4184  		c := auxIntToInt64(x.AuxInt)
  4185  		y := x.Args[0]
  4186  		if !(x.Uses == 1) {
  4187  			break
  4188  		}
  4189  		v.reset(OpARM64Equal)
  4190  		v0 := b.NewValue0(v.Pos, OpARM64CMNWconst, types.TypeFlags)
  4191  		v0.AuxInt = int32ToAuxInt(int32(c))
  4192  		v0.AddArg(y)
  4193  		v.AddArg(v0)
  4194  		return true
  4195  	}
  4196  	// match: (Equal (CMPconst [0] z:(ADD x y)))
  4197  	// cond: z.Uses == 1
  4198  	// result: (Equal (CMN x y))
  4199  	for {
  4200  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  4201  			break
  4202  		}
  4203  		z := v_0.Args[0]
  4204  		if z.Op != OpARM64ADD {
  4205  			break
  4206  		}
  4207  		y := z.Args[1]
  4208  		x := z.Args[0]
  4209  		if !(z.Uses == 1) {
  4210  			break
  4211  		}
  4212  		v.reset(OpARM64Equal)
  4213  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  4214  		v0.AddArg2(x, y)
  4215  		v.AddArg(v0)
  4216  		return true
  4217  	}
  4218  	// match: (Equal (CMPWconst [0] z:(ADD x y)))
  4219  	// cond: z.Uses == 1
  4220  	// result: (Equal (CMNW x y))
  4221  	for {
  4222  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  4223  			break
  4224  		}
  4225  		z := v_0.Args[0]
  4226  		if z.Op != OpARM64ADD {
  4227  			break
  4228  		}
  4229  		y := z.Args[1]
  4230  		x := z.Args[0]
  4231  		if !(z.Uses == 1) {
  4232  			break
  4233  		}
  4234  		v.reset(OpARM64Equal)
  4235  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  4236  		v0.AddArg2(x, y)
  4237  		v.AddArg(v0)
  4238  		return true
  4239  	}
  4240  	// match: (Equal (CMPconst [0] z:(MADD a x y)))
  4241  	// cond: z.Uses == 1
  4242  	// result: (Equal (CMN a (MUL <x.Type> x y)))
  4243  	for {
  4244  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  4245  			break
  4246  		}
  4247  		z := v_0.Args[0]
  4248  		if z.Op != OpARM64MADD {
  4249  			break
  4250  		}
  4251  		y := z.Args[2]
  4252  		a := z.Args[0]
  4253  		x := z.Args[1]
  4254  		if !(z.Uses == 1) {
  4255  			break
  4256  		}
  4257  		v.reset(OpARM64Equal)
  4258  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  4259  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  4260  		v1.AddArg2(x, y)
  4261  		v0.AddArg2(a, v1)
  4262  		v.AddArg(v0)
  4263  		return true
  4264  	}
  4265  	// match: (Equal (CMPconst [0] z:(MSUB a x y)))
  4266  	// cond: z.Uses == 1
  4267  	// result: (Equal (CMP a (MUL <x.Type> x y)))
  4268  	for {
  4269  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  4270  			break
  4271  		}
  4272  		z := v_0.Args[0]
  4273  		if z.Op != OpARM64MSUB {
  4274  			break
  4275  		}
  4276  		y := z.Args[2]
  4277  		a := z.Args[0]
  4278  		x := z.Args[1]
  4279  		if !(z.Uses == 1) {
  4280  			break
  4281  		}
  4282  		v.reset(OpARM64Equal)
  4283  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
  4284  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  4285  		v1.AddArg2(x, y)
  4286  		v0.AddArg2(a, v1)
  4287  		v.AddArg(v0)
  4288  		return true
  4289  	}
  4290  	// match: (Equal (CMPWconst [0] z:(MADDW a x y)))
  4291  	// cond: z.Uses == 1
  4292  	// result: (Equal (CMNW a (MULW <x.Type> x y)))
  4293  	for {
  4294  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  4295  			break
  4296  		}
  4297  		z := v_0.Args[0]
  4298  		if z.Op != OpARM64MADDW {
  4299  			break
  4300  		}
  4301  		y := z.Args[2]
  4302  		a := z.Args[0]
  4303  		x := z.Args[1]
  4304  		if !(z.Uses == 1) {
  4305  			break
  4306  		}
  4307  		v.reset(OpARM64Equal)
  4308  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  4309  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  4310  		v1.AddArg2(x, y)
  4311  		v0.AddArg2(a, v1)
  4312  		v.AddArg(v0)
  4313  		return true
  4314  	}
  4315  	// match: (Equal (CMPWconst [0] z:(MSUBW a x y)))
  4316  	// cond: z.Uses == 1
  4317  	// result: (Equal (CMPW a (MULW <x.Type> x y)))
  4318  	for {
  4319  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  4320  			break
  4321  		}
  4322  		z := v_0.Args[0]
  4323  		if z.Op != OpARM64MSUBW {
  4324  			break
  4325  		}
  4326  		y := z.Args[2]
  4327  		a := z.Args[0]
  4328  		x := z.Args[1]
  4329  		if !(z.Uses == 1) {
  4330  			break
  4331  		}
  4332  		v.reset(OpARM64Equal)
  4333  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
  4334  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  4335  		v1.AddArg2(x, y)
  4336  		v0.AddArg2(a, v1)
  4337  		v.AddArg(v0)
  4338  		return true
  4339  	}
  4340  	// match: (Equal (FlagConstant [fc]))
  4341  	// result: (MOVDconst [b2i(fc.eq())])
  4342  	for {
  4343  		if v_0.Op != OpARM64FlagConstant {
  4344  			break
  4345  		}
  4346  		fc := auxIntToFlagConstant(v_0.AuxInt)
  4347  		v.reset(OpARM64MOVDconst)
  4348  		v.AuxInt = int64ToAuxInt(b2i(fc.eq()))
  4349  		return true
  4350  	}
  4351  	// match: (Equal (InvertFlags x))
  4352  	// result: (Equal x)
  4353  	for {
  4354  		if v_0.Op != OpARM64InvertFlags {
  4355  			break
  4356  		}
  4357  		x := v_0.Args[0]
  4358  		v.reset(OpARM64Equal)
  4359  		v.AddArg(x)
  4360  		return true
  4361  	}
  4362  	return false
  4363  }
  4364  func rewriteValueARM64_OpARM64FADDD(v *Value) bool {
  4365  	v_1 := v.Args[1]
  4366  	v_0 := v.Args[0]
  4367  	// match: (FADDD a (FMULD x y))
  4368  	// cond: a.Block.Func.useFMA(v)
  4369  	// result: (FMADDD a x y)
  4370  	for {
  4371  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  4372  			a := v_0
  4373  			if v_1.Op != OpARM64FMULD {
  4374  				continue
  4375  			}
  4376  			y := v_1.Args[1]
  4377  			x := v_1.Args[0]
  4378  			if !(a.Block.Func.useFMA(v)) {
  4379  				continue
  4380  			}
  4381  			v.reset(OpARM64FMADDD)
  4382  			v.AddArg3(a, x, y)
  4383  			return true
  4384  		}
  4385  		break
  4386  	}
  4387  	// match: (FADDD a (FNMULD x y))
  4388  	// cond: a.Block.Func.useFMA(v)
  4389  	// result: (FMSUBD 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 != OpARM64FNMULD {
  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(OpARM64FMSUBD)
  4402  			v.AddArg3(a, x, y)
  4403  			return true
  4404  		}
  4405  		break
  4406  	}
  4407  	return false
  4408  }
  4409  func rewriteValueARM64_OpARM64FADDS(v *Value) bool {
  4410  	v_1 := v.Args[1]
  4411  	v_0 := v.Args[0]
  4412  	// match: (FADDS a (FMULS x y))
  4413  	// cond: a.Block.Func.useFMA(v)
  4414  	// result: (FMADDS a x y)
  4415  	for {
  4416  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  4417  			a := v_0
  4418  			if v_1.Op != OpARM64FMULS {
  4419  				continue
  4420  			}
  4421  			y := v_1.Args[1]
  4422  			x := v_1.Args[0]
  4423  			if !(a.Block.Func.useFMA(v)) {
  4424  				continue
  4425  			}
  4426  			v.reset(OpARM64FMADDS)
  4427  			v.AddArg3(a, x, y)
  4428  			return true
  4429  		}
  4430  		break
  4431  	}
  4432  	// match: (FADDS a (FNMULS x y))
  4433  	// cond: a.Block.Func.useFMA(v)
  4434  	// result: (FMSUBS 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 != OpARM64FNMULS {
  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(OpARM64FMSUBS)
  4447  			v.AddArg3(a, x, y)
  4448  			return true
  4449  		}
  4450  		break
  4451  	}
  4452  	return false
  4453  }
  4454  func rewriteValueARM64_OpARM64FCMPD(v *Value) bool {
  4455  	v_1 := v.Args[1]
  4456  	v_0 := v.Args[0]
  4457  	b := v.Block
  4458  	// match: (FCMPD x (FMOVDconst [0]))
  4459  	// result: (FCMPD0 x)
  4460  	for {
  4461  		x := v_0
  4462  		if v_1.Op != OpARM64FMOVDconst || auxIntToFloat64(v_1.AuxInt) != 0 {
  4463  			break
  4464  		}
  4465  		v.reset(OpARM64FCMPD0)
  4466  		v.AddArg(x)
  4467  		return true
  4468  	}
  4469  	// match: (FCMPD (FMOVDconst [0]) x)
  4470  	// result: (InvertFlags (FCMPD0 x))
  4471  	for {
  4472  		if v_0.Op != OpARM64FMOVDconst || auxIntToFloat64(v_0.AuxInt) != 0 {
  4473  			break
  4474  		}
  4475  		x := v_1
  4476  		v.reset(OpARM64InvertFlags)
  4477  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD0, types.TypeFlags)
  4478  		v0.AddArg(x)
  4479  		v.AddArg(v0)
  4480  		return true
  4481  	}
  4482  	return false
  4483  }
  4484  func rewriteValueARM64_OpARM64FCMPS(v *Value) bool {
  4485  	v_1 := v.Args[1]
  4486  	v_0 := v.Args[0]
  4487  	b := v.Block
  4488  	// match: (FCMPS x (FMOVSconst [0]))
  4489  	// result: (FCMPS0 x)
  4490  	for {
  4491  		x := v_0
  4492  		if v_1.Op != OpARM64FMOVSconst || auxIntToFloat64(v_1.AuxInt) != 0 {
  4493  			break
  4494  		}
  4495  		v.reset(OpARM64FCMPS0)
  4496  		v.AddArg(x)
  4497  		return true
  4498  	}
  4499  	// match: (FCMPS (FMOVSconst [0]) x)
  4500  	// result: (InvertFlags (FCMPS0 x))
  4501  	for {
  4502  		if v_0.Op != OpARM64FMOVSconst || auxIntToFloat64(v_0.AuxInt) != 0 {
  4503  			break
  4504  		}
  4505  		x := v_1
  4506  		v.reset(OpARM64InvertFlags)
  4507  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS0, types.TypeFlags)
  4508  		v0.AddArg(x)
  4509  		v.AddArg(v0)
  4510  		return true
  4511  	}
  4512  	return false
  4513  }
  4514  func rewriteValueARM64_OpARM64FMOVDfpgp(v *Value) bool {
  4515  	v_0 := v.Args[0]
  4516  	b := v.Block
  4517  	// match: (FMOVDfpgp <t> (Arg [off] {sym}))
  4518  	// result: @b.Func.Entry (Arg <t> [off] {sym})
  4519  	for {
  4520  		t := v.Type
  4521  		if v_0.Op != OpArg {
  4522  			break
  4523  		}
  4524  		off := auxIntToInt32(v_0.AuxInt)
  4525  		sym := auxToSym(v_0.Aux)
  4526  		b = b.Func.Entry
  4527  		v0 := b.NewValue0(v.Pos, OpArg, t)
  4528  		v.copyOf(v0)
  4529  		v0.AuxInt = int32ToAuxInt(off)
  4530  		v0.Aux = symToAux(sym)
  4531  		return true
  4532  	}
  4533  	return false
  4534  }
  4535  func rewriteValueARM64_OpARM64FMOVDgpfp(v *Value) bool {
  4536  	v_0 := v.Args[0]
  4537  	b := v.Block
  4538  	// match: (FMOVDgpfp <t> (Arg [off] {sym}))
  4539  	// result: @b.Func.Entry (Arg <t> [off] {sym})
  4540  	for {
  4541  		t := v.Type
  4542  		if v_0.Op != OpArg {
  4543  			break
  4544  		}
  4545  		off := auxIntToInt32(v_0.AuxInt)
  4546  		sym := auxToSym(v_0.Aux)
  4547  		b = b.Func.Entry
  4548  		v0 := b.NewValue0(v.Pos, OpArg, t)
  4549  		v.copyOf(v0)
  4550  		v0.AuxInt = int32ToAuxInt(off)
  4551  		v0.Aux = symToAux(sym)
  4552  		return true
  4553  	}
  4554  	return false
  4555  }
  4556  func rewriteValueARM64_OpARM64FMOVDload(v *Value) bool {
  4557  	v_1 := v.Args[1]
  4558  	v_0 := v.Args[0]
  4559  	b := v.Block
  4560  	config := b.Func.Config
  4561  	// match: (FMOVDload [off] {sym} ptr (MOVDstore [off] {sym} ptr val _))
  4562  	// result: (FMOVDgpfp val)
  4563  	for {
  4564  		off := auxIntToInt32(v.AuxInt)
  4565  		sym := auxToSym(v.Aux)
  4566  		ptr := v_0
  4567  		if v_1.Op != OpARM64MOVDstore || auxIntToInt32(v_1.AuxInt) != off || auxToSym(v_1.Aux) != sym {
  4568  			break
  4569  		}
  4570  		val := v_1.Args[1]
  4571  		if ptr != v_1.Args[0] {
  4572  			break
  4573  		}
  4574  		v.reset(OpARM64FMOVDgpfp)
  4575  		v.AddArg(val)
  4576  		return true
  4577  	}
  4578  	// match: (FMOVDload [off1] {sym} (ADDconst [off2] ptr) mem)
  4579  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  4580  	// result: (FMOVDload [off1+int32(off2)] {sym} ptr mem)
  4581  	for {
  4582  		off1 := auxIntToInt32(v.AuxInt)
  4583  		sym := auxToSym(v.Aux)
  4584  		if v_0.Op != OpARM64ADDconst {
  4585  			break
  4586  		}
  4587  		off2 := auxIntToInt64(v_0.AuxInt)
  4588  		ptr := v_0.Args[0]
  4589  		mem := v_1
  4590  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  4591  			break
  4592  		}
  4593  		v.reset(OpARM64FMOVDload)
  4594  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  4595  		v.Aux = symToAux(sym)
  4596  		v.AddArg2(ptr, mem)
  4597  		return true
  4598  	}
  4599  	// match: (FMOVDload [off] {sym} (ADD ptr idx) mem)
  4600  	// cond: off == 0 && sym == nil
  4601  	// result: (FMOVDloadidx ptr idx mem)
  4602  	for {
  4603  		off := auxIntToInt32(v.AuxInt)
  4604  		sym := auxToSym(v.Aux)
  4605  		if v_0.Op != OpARM64ADD {
  4606  			break
  4607  		}
  4608  		idx := v_0.Args[1]
  4609  		ptr := v_0.Args[0]
  4610  		mem := v_1
  4611  		if !(off == 0 && sym == nil) {
  4612  			break
  4613  		}
  4614  		v.reset(OpARM64FMOVDloadidx)
  4615  		v.AddArg3(ptr, idx, mem)
  4616  		return true
  4617  	}
  4618  	// match: (FMOVDload [off] {sym} (ADDshiftLL [3] ptr idx) mem)
  4619  	// cond: off == 0 && sym == nil
  4620  	// result: (FMOVDloadidx8 ptr idx mem)
  4621  	for {
  4622  		off := auxIntToInt32(v.AuxInt)
  4623  		sym := auxToSym(v.Aux)
  4624  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 {
  4625  			break
  4626  		}
  4627  		idx := v_0.Args[1]
  4628  		ptr := v_0.Args[0]
  4629  		mem := v_1
  4630  		if !(off == 0 && sym == nil) {
  4631  			break
  4632  		}
  4633  		v.reset(OpARM64FMOVDloadidx8)
  4634  		v.AddArg3(ptr, idx, mem)
  4635  		return true
  4636  	}
  4637  	// match: (FMOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  4638  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  4639  	// result: (FMOVDload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  4640  	for {
  4641  		off1 := auxIntToInt32(v.AuxInt)
  4642  		sym1 := auxToSym(v.Aux)
  4643  		if v_0.Op != OpARM64MOVDaddr {
  4644  			break
  4645  		}
  4646  		off2 := auxIntToInt32(v_0.AuxInt)
  4647  		sym2 := auxToSym(v_0.Aux)
  4648  		ptr := v_0.Args[0]
  4649  		mem := v_1
  4650  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  4651  			break
  4652  		}
  4653  		v.reset(OpARM64FMOVDload)
  4654  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4655  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4656  		v.AddArg2(ptr, mem)
  4657  		return true
  4658  	}
  4659  	return false
  4660  }
  4661  func rewriteValueARM64_OpARM64FMOVDloadidx(v *Value) bool {
  4662  	v_2 := v.Args[2]
  4663  	v_1 := v.Args[1]
  4664  	v_0 := v.Args[0]
  4665  	// match: (FMOVDloadidx ptr (MOVDconst [c]) mem)
  4666  	// cond: is32Bit(c)
  4667  	// result: (FMOVDload [int32(c)] ptr mem)
  4668  	for {
  4669  		ptr := v_0
  4670  		if v_1.Op != OpARM64MOVDconst {
  4671  			break
  4672  		}
  4673  		c := auxIntToInt64(v_1.AuxInt)
  4674  		mem := v_2
  4675  		if !(is32Bit(c)) {
  4676  			break
  4677  		}
  4678  		v.reset(OpARM64FMOVDload)
  4679  		v.AuxInt = int32ToAuxInt(int32(c))
  4680  		v.AddArg2(ptr, mem)
  4681  		return true
  4682  	}
  4683  	// match: (FMOVDloadidx (MOVDconst [c]) ptr mem)
  4684  	// cond: is32Bit(c)
  4685  	// result: (FMOVDload [int32(c)] ptr mem)
  4686  	for {
  4687  		if v_0.Op != OpARM64MOVDconst {
  4688  			break
  4689  		}
  4690  		c := auxIntToInt64(v_0.AuxInt)
  4691  		ptr := v_1
  4692  		mem := v_2
  4693  		if !(is32Bit(c)) {
  4694  			break
  4695  		}
  4696  		v.reset(OpARM64FMOVDload)
  4697  		v.AuxInt = int32ToAuxInt(int32(c))
  4698  		v.AddArg2(ptr, mem)
  4699  		return true
  4700  	}
  4701  	// match: (FMOVDloadidx ptr (SLLconst [3] idx) mem)
  4702  	// result: (FMOVDloadidx8 ptr idx mem)
  4703  	for {
  4704  		ptr := v_0
  4705  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 {
  4706  			break
  4707  		}
  4708  		idx := v_1.Args[0]
  4709  		mem := v_2
  4710  		v.reset(OpARM64FMOVDloadidx8)
  4711  		v.AddArg3(ptr, idx, mem)
  4712  		return true
  4713  	}
  4714  	// match: (FMOVDloadidx (SLLconst [3] idx) ptr mem)
  4715  	// result: (FMOVDloadidx8 ptr idx mem)
  4716  	for {
  4717  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 {
  4718  			break
  4719  		}
  4720  		idx := v_0.Args[0]
  4721  		ptr := v_1
  4722  		mem := v_2
  4723  		v.reset(OpARM64FMOVDloadidx8)
  4724  		v.AddArg3(ptr, idx, mem)
  4725  		return true
  4726  	}
  4727  	return false
  4728  }
  4729  func rewriteValueARM64_OpARM64FMOVDloadidx8(v *Value) bool {
  4730  	v_2 := v.Args[2]
  4731  	v_1 := v.Args[1]
  4732  	v_0 := v.Args[0]
  4733  	// match: (FMOVDloadidx8 ptr (MOVDconst [c]) mem)
  4734  	// cond: is32Bit(c<<3)
  4735  	// result: (FMOVDload ptr [int32(c)<<3] mem)
  4736  	for {
  4737  		ptr := v_0
  4738  		if v_1.Op != OpARM64MOVDconst {
  4739  			break
  4740  		}
  4741  		c := auxIntToInt64(v_1.AuxInt)
  4742  		mem := v_2
  4743  		if !(is32Bit(c << 3)) {
  4744  			break
  4745  		}
  4746  		v.reset(OpARM64FMOVDload)
  4747  		v.AuxInt = int32ToAuxInt(int32(c) << 3)
  4748  		v.AddArg2(ptr, mem)
  4749  		return true
  4750  	}
  4751  	return false
  4752  }
  4753  func rewriteValueARM64_OpARM64FMOVDstore(v *Value) bool {
  4754  	v_2 := v.Args[2]
  4755  	v_1 := v.Args[1]
  4756  	v_0 := v.Args[0]
  4757  	b := v.Block
  4758  	config := b.Func.Config
  4759  	// match: (FMOVDstore [off] {sym} ptr (FMOVDgpfp val) mem)
  4760  	// result: (MOVDstore [off] {sym} ptr val mem)
  4761  	for {
  4762  		off := auxIntToInt32(v.AuxInt)
  4763  		sym := auxToSym(v.Aux)
  4764  		ptr := v_0
  4765  		if v_1.Op != OpARM64FMOVDgpfp {
  4766  			break
  4767  		}
  4768  		val := v_1.Args[0]
  4769  		mem := v_2
  4770  		v.reset(OpARM64MOVDstore)
  4771  		v.AuxInt = int32ToAuxInt(off)
  4772  		v.Aux = symToAux(sym)
  4773  		v.AddArg3(ptr, val, mem)
  4774  		return true
  4775  	}
  4776  	// match: (FMOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  4777  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  4778  	// result: (FMOVDstore [off1+int32(off2)] {sym} ptr val mem)
  4779  	for {
  4780  		off1 := auxIntToInt32(v.AuxInt)
  4781  		sym := auxToSym(v.Aux)
  4782  		if v_0.Op != OpARM64ADDconst {
  4783  			break
  4784  		}
  4785  		off2 := auxIntToInt64(v_0.AuxInt)
  4786  		ptr := v_0.Args[0]
  4787  		val := v_1
  4788  		mem := v_2
  4789  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  4790  			break
  4791  		}
  4792  		v.reset(OpARM64FMOVDstore)
  4793  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  4794  		v.Aux = symToAux(sym)
  4795  		v.AddArg3(ptr, val, mem)
  4796  		return true
  4797  	}
  4798  	// match: (FMOVDstore [off] {sym} (ADD ptr idx) val mem)
  4799  	// cond: off == 0 && sym == nil
  4800  	// result: (FMOVDstoreidx ptr idx val mem)
  4801  	for {
  4802  		off := auxIntToInt32(v.AuxInt)
  4803  		sym := auxToSym(v.Aux)
  4804  		if v_0.Op != OpARM64ADD {
  4805  			break
  4806  		}
  4807  		idx := v_0.Args[1]
  4808  		ptr := v_0.Args[0]
  4809  		val := v_1
  4810  		mem := v_2
  4811  		if !(off == 0 && sym == nil) {
  4812  			break
  4813  		}
  4814  		v.reset(OpARM64FMOVDstoreidx)
  4815  		v.AddArg4(ptr, idx, val, mem)
  4816  		return true
  4817  	}
  4818  	// match: (FMOVDstore [off] {sym} (ADDshiftLL [3] ptr idx) val mem)
  4819  	// cond: off == 0 && sym == nil
  4820  	// result: (FMOVDstoreidx8 ptr idx val mem)
  4821  	for {
  4822  		off := auxIntToInt32(v.AuxInt)
  4823  		sym := auxToSym(v.Aux)
  4824  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 {
  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(OpARM64FMOVDstoreidx8)
  4835  		v.AddArg4(ptr, idx, val, mem)
  4836  		return true
  4837  	}
  4838  	// match: (FMOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
  4839  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  4840  	// result: (FMOVDstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
  4841  	for {
  4842  		off1 := auxIntToInt32(v.AuxInt)
  4843  		sym1 := auxToSym(v.Aux)
  4844  		if v_0.Op != OpARM64MOVDaddr {
  4845  			break
  4846  		}
  4847  		off2 := auxIntToInt32(v_0.AuxInt)
  4848  		sym2 := auxToSym(v_0.Aux)
  4849  		ptr := v_0.Args[0]
  4850  		val := v_1
  4851  		mem := v_2
  4852  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  4853  			break
  4854  		}
  4855  		v.reset(OpARM64FMOVDstore)
  4856  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4857  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4858  		v.AddArg3(ptr, val, mem)
  4859  		return true
  4860  	}
  4861  	return false
  4862  }
  4863  func rewriteValueARM64_OpARM64FMOVDstoreidx(v *Value) bool {
  4864  	v_3 := v.Args[3]
  4865  	v_2 := v.Args[2]
  4866  	v_1 := v.Args[1]
  4867  	v_0 := v.Args[0]
  4868  	// match: (FMOVDstoreidx ptr (MOVDconst [c]) val mem)
  4869  	// cond: is32Bit(c)
  4870  	// result: (FMOVDstore [int32(c)] ptr val mem)
  4871  	for {
  4872  		ptr := v_0
  4873  		if v_1.Op != OpARM64MOVDconst {
  4874  			break
  4875  		}
  4876  		c := auxIntToInt64(v_1.AuxInt)
  4877  		val := v_2
  4878  		mem := v_3
  4879  		if !(is32Bit(c)) {
  4880  			break
  4881  		}
  4882  		v.reset(OpARM64FMOVDstore)
  4883  		v.AuxInt = int32ToAuxInt(int32(c))
  4884  		v.AddArg3(ptr, val, mem)
  4885  		return true
  4886  	}
  4887  	// match: (FMOVDstoreidx (MOVDconst [c]) idx val mem)
  4888  	// cond: is32Bit(c)
  4889  	// result: (FMOVDstore [int32(c)] idx val mem)
  4890  	for {
  4891  		if v_0.Op != OpARM64MOVDconst {
  4892  			break
  4893  		}
  4894  		c := auxIntToInt64(v_0.AuxInt)
  4895  		idx := v_1
  4896  		val := v_2
  4897  		mem := v_3
  4898  		if !(is32Bit(c)) {
  4899  			break
  4900  		}
  4901  		v.reset(OpARM64FMOVDstore)
  4902  		v.AuxInt = int32ToAuxInt(int32(c))
  4903  		v.AddArg3(idx, val, mem)
  4904  		return true
  4905  	}
  4906  	// match: (FMOVDstoreidx ptr (SLLconst [3] idx) val mem)
  4907  	// result: (FMOVDstoreidx8 ptr idx val mem)
  4908  	for {
  4909  		ptr := v_0
  4910  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 {
  4911  			break
  4912  		}
  4913  		idx := v_1.Args[0]
  4914  		val := v_2
  4915  		mem := v_3
  4916  		v.reset(OpARM64FMOVDstoreidx8)
  4917  		v.AddArg4(ptr, idx, val, mem)
  4918  		return true
  4919  	}
  4920  	// match: (FMOVDstoreidx (SLLconst [3] idx) ptr val mem)
  4921  	// result: (FMOVDstoreidx8 ptr idx val mem)
  4922  	for {
  4923  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 {
  4924  			break
  4925  		}
  4926  		idx := v_0.Args[0]
  4927  		ptr := v_1
  4928  		val := v_2
  4929  		mem := v_3
  4930  		v.reset(OpARM64FMOVDstoreidx8)
  4931  		v.AddArg4(ptr, idx, val, mem)
  4932  		return true
  4933  	}
  4934  	return false
  4935  }
  4936  func rewriteValueARM64_OpARM64FMOVDstoreidx8(v *Value) bool {
  4937  	v_3 := v.Args[3]
  4938  	v_2 := v.Args[2]
  4939  	v_1 := v.Args[1]
  4940  	v_0 := v.Args[0]
  4941  	// match: (FMOVDstoreidx8 ptr (MOVDconst [c]) val mem)
  4942  	// cond: is32Bit(c<<3)
  4943  	// result: (FMOVDstore [int32(c)<<3] ptr val mem)
  4944  	for {
  4945  		ptr := v_0
  4946  		if v_1.Op != OpARM64MOVDconst {
  4947  			break
  4948  		}
  4949  		c := auxIntToInt64(v_1.AuxInt)
  4950  		val := v_2
  4951  		mem := v_3
  4952  		if !(is32Bit(c << 3)) {
  4953  			break
  4954  		}
  4955  		v.reset(OpARM64FMOVDstore)
  4956  		v.AuxInt = int32ToAuxInt(int32(c) << 3)
  4957  		v.AddArg3(ptr, val, mem)
  4958  		return true
  4959  	}
  4960  	return false
  4961  }
  4962  func rewriteValueARM64_OpARM64FMOVSload(v *Value) bool {
  4963  	v_1 := v.Args[1]
  4964  	v_0 := v.Args[0]
  4965  	b := v.Block
  4966  	config := b.Func.Config
  4967  	// match: (FMOVSload [off] {sym} ptr (MOVWstore [off] {sym} ptr val _))
  4968  	// result: (FMOVSgpfp val)
  4969  	for {
  4970  		off := auxIntToInt32(v.AuxInt)
  4971  		sym := auxToSym(v.Aux)
  4972  		ptr := v_0
  4973  		if v_1.Op != OpARM64MOVWstore || auxIntToInt32(v_1.AuxInt) != off || auxToSym(v_1.Aux) != sym {
  4974  			break
  4975  		}
  4976  		val := v_1.Args[1]
  4977  		if ptr != v_1.Args[0] {
  4978  			break
  4979  		}
  4980  		v.reset(OpARM64FMOVSgpfp)
  4981  		v.AddArg(val)
  4982  		return true
  4983  	}
  4984  	// match: (FMOVSload [off1] {sym} (ADDconst [off2] ptr) mem)
  4985  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  4986  	// result: (FMOVSload [off1+int32(off2)] {sym} ptr mem)
  4987  	for {
  4988  		off1 := auxIntToInt32(v.AuxInt)
  4989  		sym := auxToSym(v.Aux)
  4990  		if v_0.Op != OpARM64ADDconst {
  4991  			break
  4992  		}
  4993  		off2 := auxIntToInt64(v_0.AuxInt)
  4994  		ptr := v_0.Args[0]
  4995  		mem := v_1
  4996  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  4997  			break
  4998  		}
  4999  		v.reset(OpARM64FMOVSload)
  5000  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  5001  		v.Aux = symToAux(sym)
  5002  		v.AddArg2(ptr, mem)
  5003  		return true
  5004  	}
  5005  	// match: (FMOVSload [off] {sym} (ADD ptr idx) mem)
  5006  	// cond: off == 0 && sym == nil
  5007  	// result: (FMOVSloadidx ptr idx mem)
  5008  	for {
  5009  		off := auxIntToInt32(v.AuxInt)
  5010  		sym := auxToSym(v.Aux)
  5011  		if v_0.Op != OpARM64ADD {
  5012  			break
  5013  		}
  5014  		idx := v_0.Args[1]
  5015  		ptr := v_0.Args[0]
  5016  		mem := v_1
  5017  		if !(off == 0 && sym == nil) {
  5018  			break
  5019  		}
  5020  		v.reset(OpARM64FMOVSloadidx)
  5021  		v.AddArg3(ptr, idx, mem)
  5022  		return true
  5023  	}
  5024  	// match: (FMOVSload [off] {sym} (ADDshiftLL [2] ptr idx) mem)
  5025  	// cond: off == 0 && sym == nil
  5026  	// result: (FMOVSloadidx4 ptr idx mem)
  5027  	for {
  5028  		off := auxIntToInt32(v.AuxInt)
  5029  		sym := auxToSym(v.Aux)
  5030  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
  5031  			break
  5032  		}
  5033  		idx := v_0.Args[1]
  5034  		ptr := v_0.Args[0]
  5035  		mem := v_1
  5036  		if !(off == 0 && sym == nil) {
  5037  			break
  5038  		}
  5039  		v.reset(OpARM64FMOVSloadidx4)
  5040  		v.AddArg3(ptr, idx, mem)
  5041  		return true
  5042  	}
  5043  	// match: (FMOVSload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  5044  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  5045  	// result: (FMOVSload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  5046  	for {
  5047  		off1 := auxIntToInt32(v.AuxInt)
  5048  		sym1 := auxToSym(v.Aux)
  5049  		if v_0.Op != OpARM64MOVDaddr {
  5050  			break
  5051  		}
  5052  		off2 := auxIntToInt32(v_0.AuxInt)
  5053  		sym2 := auxToSym(v_0.Aux)
  5054  		ptr := v_0.Args[0]
  5055  		mem := v_1
  5056  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  5057  			break
  5058  		}
  5059  		v.reset(OpARM64FMOVSload)
  5060  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5061  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5062  		v.AddArg2(ptr, mem)
  5063  		return true
  5064  	}
  5065  	return false
  5066  }
  5067  func rewriteValueARM64_OpARM64FMOVSloadidx(v *Value) bool {
  5068  	v_2 := v.Args[2]
  5069  	v_1 := v.Args[1]
  5070  	v_0 := v.Args[0]
  5071  	// match: (FMOVSloadidx ptr (MOVDconst [c]) mem)
  5072  	// cond: is32Bit(c)
  5073  	// result: (FMOVSload [int32(c)] ptr mem)
  5074  	for {
  5075  		ptr := v_0
  5076  		if v_1.Op != OpARM64MOVDconst {
  5077  			break
  5078  		}
  5079  		c := auxIntToInt64(v_1.AuxInt)
  5080  		mem := v_2
  5081  		if !(is32Bit(c)) {
  5082  			break
  5083  		}
  5084  		v.reset(OpARM64FMOVSload)
  5085  		v.AuxInt = int32ToAuxInt(int32(c))
  5086  		v.AddArg2(ptr, mem)
  5087  		return true
  5088  	}
  5089  	// match: (FMOVSloadidx (MOVDconst [c]) ptr mem)
  5090  	// cond: is32Bit(c)
  5091  	// result: (FMOVSload [int32(c)] ptr mem)
  5092  	for {
  5093  		if v_0.Op != OpARM64MOVDconst {
  5094  			break
  5095  		}
  5096  		c := auxIntToInt64(v_0.AuxInt)
  5097  		ptr := v_1
  5098  		mem := v_2
  5099  		if !(is32Bit(c)) {
  5100  			break
  5101  		}
  5102  		v.reset(OpARM64FMOVSload)
  5103  		v.AuxInt = int32ToAuxInt(int32(c))
  5104  		v.AddArg2(ptr, mem)
  5105  		return true
  5106  	}
  5107  	// match: (FMOVSloadidx ptr (SLLconst [2] idx) mem)
  5108  	// result: (FMOVSloadidx4 ptr idx mem)
  5109  	for {
  5110  		ptr := v_0
  5111  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
  5112  			break
  5113  		}
  5114  		idx := v_1.Args[0]
  5115  		mem := v_2
  5116  		v.reset(OpARM64FMOVSloadidx4)
  5117  		v.AddArg3(ptr, idx, mem)
  5118  		return true
  5119  	}
  5120  	// match: (FMOVSloadidx (SLLconst [2] idx) ptr mem)
  5121  	// result: (FMOVSloadidx4 ptr idx mem)
  5122  	for {
  5123  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
  5124  			break
  5125  		}
  5126  		idx := v_0.Args[0]
  5127  		ptr := v_1
  5128  		mem := v_2
  5129  		v.reset(OpARM64FMOVSloadidx4)
  5130  		v.AddArg3(ptr, idx, mem)
  5131  		return true
  5132  	}
  5133  	return false
  5134  }
  5135  func rewriteValueARM64_OpARM64FMOVSloadidx4(v *Value) bool {
  5136  	v_2 := v.Args[2]
  5137  	v_1 := v.Args[1]
  5138  	v_0 := v.Args[0]
  5139  	// match: (FMOVSloadidx4 ptr (MOVDconst [c]) mem)
  5140  	// cond: is32Bit(c<<2)
  5141  	// result: (FMOVSload ptr [int32(c)<<2] mem)
  5142  	for {
  5143  		ptr := v_0
  5144  		if v_1.Op != OpARM64MOVDconst {
  5145  			break
  5146  		}
  5147  		c := auxIntToInt64(v_1.AuxInt)
  5148  		mem := v_2
  5149  		if !(is32Bit(c << 2)) {
  5150  			break
  5151  		}
  5152  		v.reset(OpARM64FMOVSload)
  5153  		v.AuxInt = int32ToAuxInt(int32(c) << 2)
  5154  		v.AddArg2(ptr, mem)
  5155  		return true
  5156  	}
  5157  	return false
  5158  }
  5159  func rewriteValueARM64_OpARM64FMOVSstore(v *Value) bool {
  5160  	v_2 := v.Args[2]
  5161  	v_1 := v.Args[1]
  5162  	v_0 := v.Args[0]
  5163  	b := v.Block
  5164  	config := b.Func.Config
  5165  	// match: (FMOVSstore [off] {sym} ptr (FMOVSgpfp val) mem)
  5166  	// result: (MOVWstore [off] {sym} ptr val mem)
  5167  	for {
  5168  		off := auxIntToInt32(v.AuxInt)
  5169  		sym := auxToSym(v.Aux)
  5170  		ptr := v_0
  5171  		if v_1.Op != OpARM64FMOVSgpfp {
  5172  			break
  5173  		}
  5174  		val := v_1.Args[0]
  5175  		mem := v_2
  5176  		v.reset(OpARM64MOVWstore)
  5177  		v.AuxInt = int32ToAuxInt(off)
  5178  		v.Aux = symToAux(sym)
  5179  		v.AddArg3(ptr, val, mem)
  5180  		return true
  5181  	}
  5182  	// match: (FMOVSstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  5183  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  5184  	// result: (FMOVSstore [off1+int32(off2)] {sym} ptr val mem)
  5185  	for {
  5186  		off1 := auxIntToInt32(v.AuxInt)
  5187  		sym := auxToSym(v.Aux)
  5188  		if v_0.Op != OpARM64ADDconst {
  5189  			break
  5190  		}
  5191  		off2 := auxIntToInt64(v_0.AuxInt)
  5192  		ptr := v_0.Args[0]
  5193  		val := v_1
  5194  		mem := v_2
  5195  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  5196  			break
  5197  		}
  5198  		v.reset(OpARM64FMOVSstore)
  5199  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  5200  		v.Aux = symToAux(sym)
  5201  		v.AddArg3(ptr, val, mem)
  5202  		return true
  5203  	}
  5204  	// match: (FMOVSstore [off] {sym} (ADD ptr idx) val mem)
  5205  	// cond: off == 0 && sym == nil
  5206  	// result: (FMOVSstoreidx ptr idx val mem)
  5207  	for {
  5208  		off := auxIntToInt32(v.AuxInt)
  5209  		sym := auxToSym(v.Aux)
  5210  		if v_0.Op != OpARM64ADD {
  5211  			break
  5212  		}
  5213  		idx := v_0.Args[1]
  5214  		ptr := v_0.Args[0]
  5215  		val := v_1
  5216  		mem := v_2
  5217  		if !(off == 0 && sym == nil) {
  5218  			break
  5219  		}
  5220  		v.reset(OpARM64FMOVSstoreidx)
  5221  		v.AddArg4(ptr, idx, val, mem)
  5222  		return true
  5223  	}
  5224  	// match: (FMOVSstore [off] {sym} (ADDshiftLL [2] ptr idx) val mem)
  5225  	// cond: off == 0 && sym == nil
  5226  	// result: (FMOVSstoreidx4 ptr idx val mem)
  5227  	for {
  5228  		off := auxIntToInt32(v.AuxInt)
  5229  		sym := auxToSym(v.Aux)
  5230  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
  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(OpARM64FMOVSstoreidx4)
  5241  		v.AddArg4(ptr, idx, val, mem)
  5242  		return true
  5243  	}
  5244  	// match: (FMOVSstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
  5245  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  5246  	// result: (FMOVSstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
  5247  	for {
  5248  		off1 := auxIntToInt32(v.AuxInt)
  5249  		sym1 := auxToSym(v.Aux)
  5250  		if v_0.Op != OpARM64MOVDaddr {
  5251  			break
  5252  		}
  5253  		off2 := auxIntToInt32(v_0.AuxInt)
  5254  		sym2 := auxToSym(v_0.Aux)
  5255  		ptr := v_0.Args[0]
  5256  		val := v_1
  5257  		mem := v_2
  5258  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  5259  			break
  5260  		}
  5261  		v.reset(OpARM64FMOVSstore)
  5262  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5263  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5264  		v.AddArg3(ptr, val, mem)
  5265  		return true
  5266  	}
  5267  	return false
  5268  }
  5269  func rewriteValueARM64_OpARM64FMOVSstoreidx(v *Value) bool {
  5270  	v_3 := v.Args[3]
  5271  	v_2 := v.Args[2]
  5272  	v_1 := v.Args[1]
  5273  	v_0 := v.Args[0]
  5274  	// match: (FMOVSstoreidx ptr (MOVDconst [c]) val mem)
  5275  	// cond: is32Bit(c)
  5276  	// result: (FMOVSstore [int32(c)] ptr val mem)
  5277  	for {
  5278  		ptr := v_0
  5279  		if v_1.Op != OpARM64MOVDconst {
  5280  			break
  5281  		}
  5282  		c := auxIntToInt64(v_1.AuxInt)
  5283  		val := v_2
  5284  		mem := v_3
  5285  		if !(is32Bit(c)) {
  5286  			break
  5287  		}
  5288  		v.reset(OpARM64FMOVSstore)
  5289  		v.AuxInt = int32ToAuxInt(int32(c))
  5290  		v.AddArg3(ptr, val, mem)
  5291  		return true
  5292  	}
  5293  	// match: (FMOVSstoreidx (MOVDconst [c]) idx val mem)
  5294  	// cond: is32Bit(c)
  5295  	// result: (FMOVSstore [int32(c)] idx val mem)
  5296  	for {
  5297  		if v_0.Op != OpARM64MOVDconst {
  5298  			break
  5299  		}
  5300  		c := auxIntToInt64(v_0.AuxInt)
  5301  		idx := v_1
  5302  		val := v_2
  5303  		mem := v_3
  5304  		if !(is32Bit(c)) {
  5305  			break
  5306  		}
  5307  		v.reset(OpARM64FMOVSstore)
  5308  		v.AuxInt = int32ToAuxInt(int32(c))
  5309  		v.AddArg3(idx, val, mem)
  5310  		return true
  5311  	}
  5312  	// match: (FMOVSstoreidx ptr (SLLconst [2] idx) val mem)
  5313  	// result: (FMOVSstoreidx4 ptr idx val mem)
  5314  	for {
  5315  		ptr := v_0
  5316  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
  5317  			break
  5318  		}
  5319  		idx := v_1.Args[0]
  5320  		val := v_2
  5321  		mem := v_3
  5322  		v.reset(OpARM64FMOVSstoreidx4)
  5323  		v.AddArg4(ptr, idx, val, mem)
  5324  		return true
  5325  	}
  5326  	// match: (FMOVSstoreidx (SLLconst [2] idx) ptr val mem)
  5327  	// result: (FMOVSstoreidx4 ptr idx val mem)
  5328  	for {
  5329  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
  5330  			break
  5331  		}
  5332  		idx := v_0.Args[0]
  5333  		ptr := v_1
  5334  		val := v_2
  5335  		mem := v_3
  5336  		v.reset(OpARM64FMOVSstoreidx4)
  5337  		v.AddArg4(ptr, idx, val, mem)
  5338  		return true
  5339  	}
  5340  	return false
  5341  }
  5342  func rewriteValueARM64_OpARM64FMOVSstoreidx4(v *Value) bool {
  5343  	v_3 := v.Args[3]
  5344  	v_2 := v.Args[2]
  5345  	v_1 := v.Args[1]
  5346  	v_0 := v.Args[0]
  5347  	// match: (FMOVSstoreidx4 ptr (MOVDconst [c]) val mem)
  5348  	// cond: is32Bit(c<<2)
  5349  	// result: (FMOVSstore [int32(c)<<2] ptr val mem)
  5350  	for {
  5351  		ptr := v_0
  5352  		if v_1.Op != OpARM64MOVDconst {
  5353  			break
  5354  		}
  5355  		c := auxIntToInt64(v_1.AuxInt)
  5356  		val := v_2
  5357  		mem := v_3
  5358  		if !(is32Bit(c << 2)) {
  5359  			break
  5360  		}
  5361  		v.reset(OpARM64FMOVSstore)
  5362  		v.AuxInt = int32ToAuxInt(int32(c) << 2)
  5363  		v.AddArg3(ptr, val, mem)
  5364  		return true
  5365  	}
  5366  	return false
  5367  }
  5368  func rewriteValueARM64_OpARM64FMULD(v *Value) bool {
  5369  	v_1 := v.Args[1]
  5370  	v_0 := v.Args[0]
  5371  	// match: (FMULD (FNEGD x) y)
  5372  	// result: (FNMULD x y)
  5373  	for {
  5374  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5375  			if v_0.Op != OpARM64FNEGD {
  5376  				continue
  5377  			}
  5378  			x := v_0.Args[0]
  5379  			y := v_1
  5380  			v.reset(OpARM64FNMULD)
  5381  			v.AddArg2(x, y)
  5382  			return true
  5383  		}
  5384  		break
  5385  	}
  5386  	return false
  5387  }
  5388  func rewriteValueARM64_OpARM64FMULS(v *Value) bool {
  5389  	v_1 := v.Args[1]
  5390  	v_0 := v.Args[0]
  5391  	// match: (FMULS (FNEGS x) y)
  5392  	// result: (FNMULS 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 != OpARM64FNEGS {
  5396  				continue
  5397  			}
  5398  			x := v_0.Args[0]
  5399  			y := v_1
  5400  			v.reset(OpARM64FNMULS)
  5401  			v.AddArg2(x, y)
  5402  			return true
  5403  		}
  5404  		break
  5405  	}
  5406  	return false
  5407  }
  5408  func rewriteValueARM64_OpARM64FNEGD(v *Value) bool {
  5409  	v_0 := v.Args[0]
  5410  	// match: (FNEGD (FMULD x y))
  5411  	// result: (FNMULD x y)
  5412  	for {
  5413  		if v_0.Op != OpARM64FMULD {
  5414  			break
  5415  		}
  5416  		y := v_0.Args[1]
  5417  		x := v_0.Args[0]
  5418  		v.reset(OpARM64FNMULD)
  5419  		v.AddArg2(x, y)
  5420  		return true
  5421  	}
  5422  	// match: (FNEGD (FNMULD x y))
  5423  	// result: (FMULD x y)
  5424  	for {
  5425  		if v_0.Op != OpARM64FNMULD {
  5426  			break
  5427  		}
  5428  		y := v_0.Args[1]
  5429  		x := v_0.Args[0]
  5430  		v.reset(OpARM64FMULD)
  5431  		v.AddArg2(x, y)
  5432  		return true
  5433  	}
  5434  	return false
  5435  }
  5436  func rewriteValueARM64_OpARM64FNEGS(v *Value) bool {
  5437  	v_0 := v.Args[0]
  5438  	// match: (FNEGS (FMULS x y))
  5439  	// result: (FNMULS x y)
  5440  	for {
  5441  		if v_0.Op != OpARM64FMULS {
  5442  			break
  5443  		}
  5444  		y := v_0.Args[1]
  5445  		x := v_0.Args[0]
  5446  		v.reset(OpARM64FNMULS)
  5447  		v.AddArg2(x, y)
  5448  		return true
  5449  	}
  5450  	// match: (FNEGS (FNMULS x y))
  5451  	// result: (FMULS x y)
  5452  	for {
  5453  		if v_0.Op != OpARM64FNMULS {
  5454  			break
  5455  		}
  5456  		y := v_0.Args[1]
  5457  		x := v_0.Args[0]
  5458  		v.reset(OpARM64FMULS)
  5459  		v.AddArg2(x, y)
  5460  		return true
  5461  	}
  5462  	return false
  5463  }
  5464  func rewriteValueARM64_OpARM64FNMULD(v *Value) bool {
  5465  	v_1 := v.Args[1]
  5466  	v_0 := v.Args[0]
  5467  	// match: (FNMULD (FNEGD x) y)
  5468  	// result: (FMULD x y)
  5469  	for {
  5470  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5471  			if v_0.Op != OpARM64FNEGD {
  5472  				continue
  5473  			}
  5474  			x := v_0.Args[0]
  5475  			y := v_1
  5476  			v.reset(OpARM64FMULD)
  5477  			v.AddArg2(x, y)
  5478  			return true
  5479  		}
  5480  		break
  5481  	}
  5482  	return false
  5483  }
  5484  func rewriteValueARM64_OpARM64FNMULS(v *Value) bool {
  5485  	v_1 := v.Args[1]
  5486  	v_0 := v.Args[0]
  5487  	// match: (FNMULS (FNEGS x) y)
  5488  	// result: (FMULS 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 != OpARM64FNEGS {
  5492  				continue
  5493  			}
  5494  			x := v_0.Args[0]
  5495  			y := v_1
  5496  			v.reset(OpARM64FMULS)
  5497  			v.AddArg2(x, y)
  5498  			return true
  5499  		}
  5500  		break
  5501  	}
  5502  	return false
  5503  }
  5504  func rewriteValueARM64_OpARM64FSUBD(v *Value) bool {
  5505  	v_1 := v.Args[1]
  5506  	v_0 := v.Args[0]
  5507  	// match: (FSUBD a (FMULD x y))
  5508  	// cond: a.Block.Func.useFMA(v)
  5509  	// result: (FMSUBD a x y)
  5510  	for {
  5511  		a := v_0
  5512  		if v_1.Op != OpARM64FMULD {
  5513  			break
  5514  		}
  5515  		y := v_1.Args[1]
  5516  		x := v_1.Args[0]
  5517  		if !(a.Block.Func.useFMA(v)) {
  5518  			break
  5519  		}
  5520  		v.reset(OpARM64FMSUBD)
  5521  		v.AddArg3(a, x, y)
  5522  		return true
  5523  	}
  5524  	// match: (FSUBD (FMULD x y) a)
  5525  	// cond: a.Block.Func.useFMA(v)
  5526  	// result: (FNMSUBD a x y)
  5527  	for {
  5528  		if v_0.Op != OpARM64FMULD {
  5529  			break
  5530  		}
  5531  		y := v_0.Args[1]
  5532  		x := v_0.Args[0]
  5533  		a := v_1
  5534  		if !(a.Block.Func.useFMA(v)) {
  5535  			break
  5536  		}
  5537  		v.reset(OpARM64FNMSUBD)
  5538  		v.AddArg3(a, x, y)
  5539  		return true
  5540  	}
  5541  	// match: (FSUBD a (FNMULD x y))
  5542  	// cond: a.Block.Func.useFMA(v)
  5543  	// result: (FMADDD a x y)
  5544  	for {
  5545  		a := v_0
  5546  		if v_1.Op != OpARM64FNMULD {
  5547  			break
  5548  		}
  5549  		y := v_1.Args[1]
  5550  		x := v_1.Args[0]
  5551  		if !(a.Block.Func.useFMA(v)) {
  5552  			break
  5553  		}
  5554  		v.reset(OpARM64FMADDD)
  5555  		v.AddArg3(a, x, y)
  5556  		return true
  5557  	}
  5558  	// match: (FSUBD (FNMULD x y) a)
  5559  	// cond: a.Block.Func.useFMA(v)
  5560  	// result: (FNMADDD a x y)
  5561  	for {
  5562  		if v_0.Op != OpARM64FNMULD {
  5563  			break
  5564  		}
  5565  		y := v_0.Args[1]
  5566  		x := v_0.Args[0]
  5567  		a := v_1
  5568  		if !(a.Block.Func.useFMA(v)) {
  5569  			break
  5570  		}
  5571  		v.reset(OpARM64FNMADDD)
  5572  		v.AddArg3(a, x, y)
  5573  		return true
  5574  	}
  5575  	return false
  5576  }
  5577  func rewriteValueARM64_OpARM64FSUBS(v *Value) bool {
  5578  	v_1 := v.Args[1]
  5579  	v_0 := v.Args[0]
  5580  	// match: (FSUBS a (FMULS x y))
  5581  	// cond: a.Block.Func.useFMA(v)
  5582  	// result: (FMSUBS a x y)
  5583  	for {
  5584  		a := v_0
  5585  		if v_1.Op != OpARM64FMULS {
  5586  			break
  5587  		}
  5588  		y := v_1.Args[1]
  5589  		x := v_1.Args[0]
  5590  		if !(a.Block.Func.useFMA(v)) {
  5591  			break
  5592  		}
  5593  		v.reset(OpARM64FMSUBS)
  5594  		v.AddArg3(a, x, y)
  5595  		return true
  5596  	}
  5597  	// match: (FSUBS (FMULS x y) a)
  5598  	// cond: a.Block.Func.useFMA(v)
  5599  	// result: (FNMSUBS a x y)
  5600  	for {
  5601  		if v_0.Op != OpARM64FMULS {
  5602  			break
  5603  		}
  5604  		y := v_0.Args[1]
  5605  		x := v_0.Args[0]
  5606  		a := v_1
  5607  		if !(a.Block.Func.useFMA(v)) {
  5608  			break
  5609  		}
  5610  		v.reset(OpARM64FNMSUBS)
  5611  		v.AddArg3(a, x, y)
  5612  		return true
  5613  	}
  5614  	// match: (FSUBS a (FNMULS x y))
  5615  	// cond: a.Block.Func.useFMA(v)
  5616  	// result: (FMADDS a x y)
  5617  	for {
  5618  		a := v_0
  5619  		if v_1.Op != OpARM64FNMULS {
  5620  			break
  5621  		}
  5622  		y := v_1.Args[1]
  5623  		x := v_1.Args[0]
  5624  		if !(a.Block.Func.useFMA(v)) {
  5625  			break
  5626  		}
  5627  		v.reset(OpARM64FMADDS)
  5628  		v.AddArg3(a, x, y)
  5629  		return true
  5630  	}
  5631  	// match: (FSUBS (FNMULS x y) a)
  5632  	// cond: a.Block.Func.useFMA(v)
  5633  	// result: (FNMADDS a x y)
  5634  	for {
  5635  		if v_0.Op != OpARM64FNMULS {
  5636  			break
  5637  		}
  5638  		y := v_0.Args[1]
  5639  		x := v_0.Args[0]
  5640  		a := v_1
  5641  		if !(a.Block.Func.useFMA(v)) {
  5642  			break
  5643  		}
  5644  		v.reset(OpARM64FNMADDS)
  5645  		v.AddArg3(a, x, y)
  5646  		return true
  5647  	}
  5648  	return false
  5649  }
  5650  func rewriteValueARM64_OpARM64GreaterEqual(v *Value) bool {
  5651  	v_0 := v.Args[0]
  5652  	b := v.Block
  5653  	// match: (GreaterEqual (CMPconst [0] z:(AND x y)))
  5654  	// cond: z.Uses == 1
  5655  	// result: (GreaterEqual (TST x y))
  5656  	for {
  5657  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5658  			break
  5659  		}
  5660  		z := v_0.Args[0]
  5661  		if z.Op != OpARM64AND {
  5662  			break
  5663  		}
  5664  		y := z.Args[1]
  5665  		x := z.Args[0]
  5666  		if !(z.Uses == 1) {
  5667  			break
  5668  		}
  5669  		v.reset(OpARM64GreaterEqual)
  5670  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
  5671  		v0.AddArg2(x, y)
  5672  		v.AddArg(v0)
  5673  		return true
  5674  	}
  5675  	// match: (GreaterEqual (CMPWconst [0] x:(ANDconst [c] y)))
  5676  	// cond: x.Uses == 1
  5677  	// result: (GreaterEqual (TSTWconst [int32(c)] y))
  5678  	for {
  5679  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5680  			break
  5681  		}
  5682  		x := v_0.Args[0]
  5683  		if x.Op != OpARM64ANDconst {
  5684  			break
  5685  		}
  5686  		c := auxIntToInt64(x.AuxInt)
  5687  		y := x.Args[0]
  5688  		if !(x.Uses == 1) {
  5689  			break
  5690  		}
  5691  		v.reset(OpARM64GreaterEqual)
  5692  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
  5693  		v0.AuxInt = int32ToAuxInt(int32(c))
  5694  		v0.AddArg(y)
  5695  		v.AddArg(v0)
  5696  		return true
  5697  	}
  5698  	// match: (GreaterEqual (CMPWconst [0] z:(AND x y)))
  5699  	// cond: z.Uses == 1
  5700  	// result: (GreaterEqual (TSTW x y))
  5701  	for {
  5702  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5703  			break
  5704  		}
  5705  		z := v_0.Args[0]
  5706  		if z.Op != OpARM64AND {
  5707  			break
  5708  		}
  5709  		y := z.Args[1]
  5710  		x := z.Args[0]
  5711  		if !(z.Uses == 1) {
  5712  			break
  5713  		}
  5714  		v.reset(OpARM64GreaterEqual)
  5715  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
  5716  		v0.AddArg2(x, y)
  5717  		v.AddArg(v0)
  5718  		return true
  5719  	}
  5720  	// match: (GreaterEqual (CMPconst [0] x:(ANDconst [c] y)))
  5721  	// cond: x.Uses == 1
  5722  	// result: (GreaterEqual (TSTconst [c] y))
  5723  	for {
  5724  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5725  			break
  5726  		}
  5727  		x := v_0.Args[0]
  5728  		if x.Op != OpARM64ANDconst {
  5729  			break
  5730  		}
  5731  		c := auxIntToInt64(x.AuxInt)
  5732  		y := x.Args[0]
  5733  		if !(x.Uses == 1) {
  5734  			break
  5735  		}
  5736  		v.reset(OpARM64GreaterEqual)
  5737  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
  5738  		v0.AuxInt = int64ToAuxInt(c)
  5739  		v0.AddArg(y)
  5740  		v.AddArg(v0)
  5741  		return true
  5742  	}
  5743  	// match: (GreaterEqual (CMPconst [0] x:(ADDconst [c] y)))
  5744  	// cond: x.Uses == 1
  5745  	// result: (GreaterEqualNoov (CMNconst [c] y))
  5746  	for {
  5747  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5748  			break
  5749  		}
  5750  		x := v_0.Args[0]
  5751  		if x.Op != OpARM64ADDconst {
  5752  			break
  5753  		}
  5754  		c := auxIntToInt64(x.AuxInt)
  5755  		y := x.Args[0]
  5756  		if !(x.Uses == 1) {
  5757  			break
  5758  		}
  5759  		v.reset(OpARM64GreaterEqualNoov)
  5760  		v0 := b.NewValue0(v.Pos, OpARM64CMNconst, types.TypeFlags)
  5761  		v0.AuxInt = int64ToAuxInt(c)
  5762  		v0.AddArg(y)
  5763  		v.AddArg(v0)
  5764  		return true
  5765  	}
  5766  	// match: (GreaterEqual (CMPWconst [0] x:(ADDconst [c] y)))
  5767  	// cond: x.Uses == 1
  5768  	// result: (GreaterEqualNoov (CMNWconst [int32(c)] y))
  5769  	for {
  5770  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5771  			break
  5772  		}
  5773  		x := v_0.Args[0]
  5774  		if x.Op != OpARM64ADDconst {
  5775  			break
  5776  		}
  5777  		c := auxIntToInt64(x.AuxInt)
  5778  		y := x.Args[0]
  5779  		if !(x.Uses == 1) {
  5780  			break
  5781  		}
  5782  		v.reset(OpARM64GreaterEqualNoov)
  5783  		v0 := b.NewValue0(v.Pos, OpARM64CMNWconst, types.TypeFlags)
  5784  		v0.AuxInt = int32ToAuxInt(int32(c))
  5785  		v0.AddArg(y)
  5786  		v.AddArg(v0)
  5787  		return true
  5788  	}
  5789  	// match: (GreaterEqual (CMPconst [0] z:(ADD x y)))
  5790  	// cond: z.Uses == 1
  5791  	// result: (GreaterEqualNoov (CMN x y))
  5792  	for {
  5793  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5794  			break
  5795  		}
  5796  		z := v_0.Args[0]
  5797  		if z.Op != OpARM64ADD {
  5798  			break
  5799  		}
  5800  		y := z.Args[1]
  5801  		x := z.Args[0]
  5802  		if !(z.Uses == 1) {
  5803  			break
  5804  		}
  5805  		v.reset(OpARM64GreaterEqualNoov)
  5806  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  5807  		v0.AddArg2(x, y)
  5808  		v.AddArg(v0)
  5809  		return true
  5810  	}
  5811  	// match: (GreaterEqual (CMPWconst [0] z:(ADD x y)))
  5812  	// cond: z.Uses == 1
  5813  	// result: (GreaterEqualNoov (CMNW x y))
  5814  	for {
  5815  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5816  			break
  5817  		}
  5818  		z := v_0.Args[0]
  5819  		if z.Op != OpARM64ADD {
  5820  			break
  5821  		}
  5822  		y := z.Args[1]
  5823  		x := z.Args[0]
  5824  		if !(z.Uses == 1) {
  5825  			break
  5826  		}
  5827  		v.reset(OpARM64GreaterEqualNoov)
  5828  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  5829  		v0.AddArg2(x, y)
  5830  		v.AddArg(v0)
  5831  		return true
  5832  	}
  5833  	// match: (GreaterEqual (CMPconst [0] z:(MADD a x y)))
  5834  	// cond: z.Uses == 1
  5835  	// result: (GreaterEqualNoov (CMN a (MUL <x.Type> x y)))
  5836  	for {
  5837  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5838  			break
  5839  		}
  5840  		z := v_0.Args[0]
  5841  		if z.Op != OpARM64MADD {
  5842  			break
  5843  		}
  5844  		y := z.Args[2]
  5845  		a := z.Args[0]
  5846  		x := z.Args[1]
  5847  		if !(z.Uses == 1) {
  5848  			break
  5849  		}
  5850  		v.reset(OpARM64GreaterEqualNoov)
  5851  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  5852  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  5853  		v1.AddArg2(x, y)
  5854  		v0.AddArg2(a, v1)
  5855  		v.AddArg(v0)
  5856  		return true
  5857  	}
  5858  	// match: (GreaterEqual (CMPconst [0] z:(MSUB a x y)))
  5859  	// cond: z.Uses == 1
  5860  	// result: (GreaterEqualNoov (CMP a (MUL <x.Type> x y)))
  5861  	for {
  5862  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  5863  			break
  5864  		}
  5865  		z := v_0.Args[0]
  5866  		if z.Op != OpARM64MSUB {
  5867  			break
  5868  		}
  5869  		y := z.Args[2]
  5870  		a := z.Args[0]
  5871  		x := z.Args[1]
  5872  		if !(z.Uses == 1) {
  5873  			break
  5874  		}
  5875  		v.reset(OpARM64GreaterEqualNoov)
  5876  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
  5877  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  5878  		v1.AddArg2(x, y)
  5879  		v0.AddArg2(a, v1)
  5880  		v.AddArg(v0)
  5881  		return true
  5882  	}
  5883  	// match: (GreaterEqual (CMPWconst [0] z:(MADDW a x y)))
  5884  	// cond: z.Uses == 1
  5885  	// result: (GreaterEqualNoov (CMNW a (MULW <x.Type> x y)))
  5886  	for {
  5887  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5888  			break
  5889  		}
  5890  		z := v_0.Args[0]
  5891  		if z.Op != OpARM64MADDW {
  5892  			break
  5893  		}
  5894  		y := z.Args[2]
  5895  		a := z.Args[0]
  5896  		x := z.Args[1]
  5897  		if !(z.Uses == 1) {
  5898  			break
  5899  		}
  5900  		v.reset(OpARM64GreaterEqualNoov)
  5901  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  5902  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  5903  		v1.AddArg2(x, y)
  5904  		v0.AddArg2(a, v1)
  5905  		v.AddArg(v0)
  5906  		return true
  5907  	}
  5908  	// match: (GreaterEqual (CMPWconst [0] z:(MSUBW a x y)))
  5909  	// cond: z.Uses == 1
  5910  	// result: (GreaterEqualNoov (CMPW a (MULW <x.Type> x y)))
  5911  	for {
  5912  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  5913  			break
  5914  		}
  5915  		z := v_0.Args[0]
  5916  		if z.Op != OpARM64MSUBW {
  5917  			break
  5918  		}
  5919  		y := z.Args[2]
  5920  		a := z.Args[0]
  5921  		x := z.Args[1]
  5922  		if !(z.Uses == 1) {
  5923  			break
  5924  		}
  5925  		v.reset(OpARM64GreaterEqualNoov)
  5926  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
  5927  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  5928  		v1.AddArg2(x, y)
  5929  		v0.AddArg2(a, v1)
  5930  		v.AddArg(v0)
  5931  		return true
  5932  	}
  5933  	// match: (GreaterEqual (FlagConstant [fc]))
  5934  	// result: (MOVDconst [b2i(fc.ge())])
  5935  	for {
  5936  		if v_0.Op != OpARM64FlagConstant {
  5937  			break
  5938  		}
  5939  		fc := auxIntToFlagConstant(v_0.AuxInt)
  5940  		v.reset(OpARM64MOVDconst)
  5941  		v.AuxInt = int64ToAuxInt(b2i(fc.ge()))
  5942  		return true
  5943  	}
  5944  	// match: (GreaterEqual (InvertFlags x))
  5945  	// result: (LessEqual x)
  5946  	for {
  5947  		if v_0.Op != OpARM64InvertFlags {
  5948  			break
  5949  		}
  5950  		x := v_0.Args[0]
  5951  		v.reset(OpARM64LessEqual)
  5952  		v.AddArg(x)
  5953  		return true
  5954  	}
  5955  	return false
  5956  }
  5957  func rewriteValueARM64_OpARM64GreaterEqualF(v *Value) bool {
  5958  	v_0 := v.Args[0]
  5959  	// match: (GreaterEqualF (InvertFlags x))
  5960  	// result: (LessEqualF x)
  5961  	for {
  5962  		if v_0.Op != OpARM64InvertFlags {
  5963  			break
  5964  		}
  5965  		x := v_0.Args[0]
  5966  		v.reset(OpARM64LessEqualF)
  5967  		v.AddArg(x)
  5968  		return true
  5969  	}
  5970  	return false
  5971  }
  5972  func rewriteValueARM64_OpARM64GreaterEqualNoov(v *Value) bool {
  5973  	v_0 := v.Args[0]
  5974  	b := v.Block
  5975  	typ := &b.Func.Config.Types
  5976  	// match: (GreaterEqualNoov (InvertFlags x))
  5977  	// result: (CSINC [OpARM64NotEqual] (LessThanNoov <typ.Bool> x) (MOVDconst [0]) x)
  5978  	for {
  5979  		if v_0.Op != OpARM64InvertFlags {
  5980  			break
  5981  		}
  5982  		x := v_0.Args[0]
  5983  		v.reset(OpARM64CSINC)
  5984  		v.AuxInt = opToAuxInt(OpARM64NotEqual)
  5985  		v0 := b.NewValue0(v.Pos, OpARM64LessThanNoov, typ.Bool)
  5986  		v0.AddArg(x)
  5987  		v1 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
  5988  		v1.AuxInt = int64ToAuxInt(0)
  5989  		v.AddArg3(v0, v1, x)
  5990  		return true
  5991  	}
  5992  	return false
  5993  }
  5994  func rewriteValueARM64_OpARM64GreaterEqualU(v *Value) bool {
  5995  	v_0 := v.Args[0]
  5996  	// match: (GreaterEqualU (FlagConstant [fc]))
  5997  	// result: (MOVDconst [b2i(fc.uge())])
  5998  	for {
  5999  		if v_0.Op != OpARM64FlagConstant {
  6000  			break
  6001  		}
  6002  		fc := auxIntToFlagConstant(v_0.AuxInt)
  6003  		v.reset(OpARM64MOVDconst)
  6004  		v.AuxInt = int64ToAuxInt(b2i(fc.uge()))
  6005  		return true
  6006  	}
  6007  	// match: (GreaterEqualU (InvertFlags x))
  6008  	// result: (LessEqualU x)
  6009  	for {
  6010  		if v_0.Op != OpARM64InvertFlags {
  6011  			break
  6012  		}
  6013  		x := v_0.Args[0]
  6014  		v.reset(OpARM64LessEqualU)
  6015  		v.AddArg(x)
  6016  		return true
  6017  	}
  6018  	return false
  6019  }
  6020  func rewriteValueARM64_OpARM64GreaterThan(v *Value) bool {
  6021  	v_0 := v.Args[0]
  6022  	b := v.Block
  6023  	// match: (GreaterThan (CMPconst [0] z:(AND x y)))
  6024  	// cond: z.Uses == 1
  6025  	// result: (GreaterThan (TST x y))
  6026  	for {
  6027  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6028  			break
  6029  		}
  6030  		z := v_0.Args[0]
  6031  		if z.Op != OpARM64AND {
  6032  			break
  6033  		}
  6034  		y := z.Args[1]
  6035  		x := z.Args[0]
  6036  		if !(z.Uses == 1) {
  6037  			break
  6038  		}
  6039  		v.reset(OpARM64GreaterThan)
  6040  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
  6041  		v0.AddArg2(x, y)
  6042  		v.AddArg(v0)
  6043  		return true
  6044  	}
  6045  	// match: (GreaterThan (CMPWconst [0] x:(ANDconst [c] y)))
  6046  	// cond: x.Uses == 1
  6047  	// result: (GreaterThan (TSTWconst [int32(c)] y))
  6048  	for {
  6049  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6050  			break
  6051  		}
  6052  		x := v_0.Args[0]
  6053  		if x.Op != OpARM64ANDconst {
  6054  			break
  6055  		}
  6056  		c := auxIntToInt64(x.AuxInt)
  6057  		y := x.Args[0]
  6058  		if !(x.Uses == 1) {
  6059  			break
  6060  		}
  6061  		v.reset(OpARM64GreaterThan)
  6062  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
  6063  		v0.AuxInt = int32ToAuxInt(int32(c))
  6064  		v0.AddArg(y)
  6065  		v.AddArg(v0)
  6066  		return true
  6067  	}
  6068  	// match: (GreaterThan (CMPWconst [0] z:(AND x y)))
  6069  	// cond: z.Uses == 1
  6070  	// result: (GreaterThan (TSTW x y))
  6071  	for {
  6072  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6073  			break
  6074  		}
  6075  		z := v_0.Args[0]
  6076  		if z.Op != OpARM64AND {
  6077  			break
  6078  		}
  6079  		y := z.Args[1]
  6080  		x := z.Args[0]
  6081  		if !(z.Uses == 1) {
  6082  			break
  6083  		}
  6084  		v.reset(OpARM64GreaterThan)
  6085  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
  6086  		v0.AddArg2(x, y)
  6087  		v.AddArg(v0)
  6088  		return true
  6089  	}
  6090  	// match: (GreaterThan (CMPconst [0] x:(ANDconst [c] y)))
  6091  	// cond: x.Uses == 1
  6092  	// result: (GreaterThan (TSTconst [c] y))
  6093  	for {
  6094  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6095  			break
  6096  		}
  6097  		x := v_0.Args[0]
  6098  		if x.Op != OpARM64ANDconst {
  6099  			break
  6100  		}
  6101  		c := auxIntToInt64(x.AuxInt)
  6102  		y := x.Args[0]
  6103  		if !(x.Uses == 1) {
  6104  			break
  6105  		}
  6106  		v.reset(OpARM64GreaterThan)
  6107  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
  6108  		v0.AuxInt = int64ToAuxInt(c)
  6109  		v0.AddArg(y)
  6110  		v.AddArg(v0)
  6111  		return true
  6112  	}
  6113  	// match: (GreaterThan (FlagConstant [fc]))
  6114  	// result: (MOVDconst [b2i(fc.gt())])
  6115  	for {
  6116  		if v_0.Op != OpARM64FlagConstant {
  6117  			break
  6118  		}
  6119  		fc := auxIntToFlagConstant(v_0.AuxInt)
  6120  		v.reset(OpARM64MOVDconst)
  6121  		v.AuxInt = int64ToAuxInt(b2i(fc.gt()))
  6122  		return true
  6123  	}
  6124  	// match: (GreaterThan (InvertFlags x))
  6125  	// result: (LessThan x)
  6126  	for {
  6127  		if v_0.Op != OpARM64InvertFlags {
  6128  			break
  6129  		}
  6130  		x := v_0.Args[0]
  6131  		v.reset(OpARM64LessThan)
  6132  		v.AddArg(x)
  6133  		return true
  6134  	}
  6135  	return false
  6136  }
  6137  func rewriteValueARM64_OpARM64GreaterThanF(v *Value) bool {
  6138  	v_0 := v.Args[0]
  6139  	// match: (GreaterThanF (InvertFlags x))
  6140  	// result: (LessThanF x)
  6141  	for {
  6142  		if v_0.Op != OpARM64InvertFlags {
  6143  			break
  6144  		}
  6145  		x := v_0.Args[0]
  6146  		v.reset(OpARM64LessThanF)
  6147  		v.AddArg(x)
  6148  		return true
  6149  	}
  6150  	return false
  6151  }
  6152  func rewriteValueARM64_OpARM64GreaterThanU(v *Value) bool {
  6153  	v_0 := v.Args[0]
  6154  	// match: (GreaterThanU (FlagConstant [fc]))
  6155  	// result: (MOVDconst [b2i(fc.ugt())])
  6156  	for {
  6157  		if v_0.Op != OpARM64FlagConstant {
  6158  			break
  6159  		}
  6160  		fc := auxIntToFlagConstant(v_0.AuxInt)
  6161  		v.reset(OpARM64MOVDconst)
  6162  		v.AuxInt = int64ToAuxInt(b2i(fc.ugt()))
  6163  		return true
  6164  	}
  6165  	// match: (GreaterThanU (InvertFlags x))
  6166  	// result: (LessThanU x)
  6167  	for {
  6168  		if v_0.Op != OpARM64InvertFlags {
  6169  			break
  6170  		}
  6171  		x := v_0.Args[0]
  6172  		v.reset(OpARM64LessThanU)
  6173  		v.AddArg(x)
  6174  		return true
  6175  	}
  6176  	return false
  6177  }
  6178  func rewriteValueARM64_OpARM64LDP(v *Value) bool {
  6179  	v_1 := v.Args[1]
  6180  	v_0 := v.Args[0]
  6181  	b := v.Block
  6182  	config := b.Func.Config
  6183  	// match: (LDP [off1] {sym} (ADDconst [off2] ptr) mem)
  6184  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6185  	// result: (LDP [off1+int32(off2)] {sym} ptr mem)
  6186  	for {
  6187  		off1 := auxIntToInt32(v.AuxInt)
  6188  		sym := auxToSym(v.Aux)
  6189  		if v_0.Op != OpARM64ADDconst {
  6190  			break
  6191  		}
  6192  		off2 := auxIntToInt64(v_0.AuxInt)
  6193  		ptr := v_0.Args[0]
  6194  		mem := v_1
  6195  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6196  			break
  6197  		}
  6198  		v.reset(OpARM64LDP)
  6199  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  6200  		v.Aux = symToAux(sym)
  6201  		v.AddArg2(ptr, mem)
  6202  		return true
  6203  	}
  6204  	// match: (LDP [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  6205  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  6206  	// result: (LDP [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  6207  	for {
  6208  		off1 := auxIntToInt32(v.AuxInt)
  6209  		sym1 := auxToSym(v.Aux)
  6210  		if v_0.Op != OpARM64MOVDaddr {
  6211  			break
  6212  		}
  6213  		off2 := auxIntToInt32(v_0.AuxInt)
  6214  		sym2 := auxToSym(v_0.Aux)
  6215  		ptr := v_0.Args[0]
  6216  		mem := v_1
  6217  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  6218  			break
  6219  		}
  6220  		v.reset(OpARM64LDP)
  6221  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6222  		v.Aux = symToAux(mergeSym(sym1, sym2))
  6223  		v.AddArg2(ptr, mem)
  6224  		return true
  6225  	}
  6226  	return false
  6227  }
  6228  func rewriteValueARM64_OpARM64LessEqual(v *Value) bool {
  6229  	v_0 := v.Args[0]
  6230  	b := v.Block
  6231  	// match: (LessEqual (CMPconst [0] z:(AND x y)))
  6232  	// cond: z.Uses == 1
  6233  	// result: (LessEqual (TST x y))
  6234  	for {
  6235  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6236  			break
  6237  		}
  6238  		z := v_0.Args[0]
  6239  		if z.Op != OpARM64AND {
  6240  			break
  6241  		}
  6242  		y := z.Args[1]
  6243  		x := z.Args[0]
  6244  		if !(z.Uses == 1) {
  6245  			break
  6246  		}
  6247  		v.reset(OpARM64LessEqual)
  6248  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
  6249  		v0.AddArg2(x, y)
  6250  		v.AddArg(v0)
  6251  		return true
  6252  	}
  6253  	// match: (LessEqual (CMPWconst [0] x:(ANDconst [c] y)))
  6254  	// cond: x.Uses == 1
  6255  	// result: (LessEqual (TSTWconst [int32(c)] y))
  6256  	for {
  6257  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6258  			break
  6259  		}
  6260  		x := v_0.Args[0]
  6261  		if x.Op != OpARM64ANDconst {
  6262  			break
  6263  		}
  6264  		c := auxIntToInt64(x.AuxInt)
  6265  		y := x.Args[0]
  6266  		if !(x.Uses == 1) {
  6267  			break
  6268  		}
  6269  		v.reset(OpARM64LessEqual)
  6270  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
  6271  		v0.AuxInt = int32ToAuxInt(int32(c))
  6272  		v0.AddArg(y)
  6273  		v.AddArg(v0)
  6274  		return true
  6275  	}
  6276  	// match: (LessEqual (CMPWconst [0] z:(AND x y)))
  6277  	// cond: z.Uses == 1
  6278  	// result: (LessEqual (TSTW x y))
  6279  	for {
  6280  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6281  			break
  6282  		}
  6283  		z := v_0.Args[0]
  6284  		if z.Op != OpARM64AND {
  6285  			break
  6286  		}
  6287  		y := z.Args[1]
  6288  		x := z.Args[0]
  6289  		if !(z.Uses == 1) {
  6290  			break
  6291  		}
  6292  		v.reset(OpARM64LessEqual)
  6293  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
  6294  		v0.AddArg2(x, y)
  6295  		v.AddArg(v0)
  6296  		return true
  6297  	}
  6298  	// match: (LessEqual (CMPconst [0] x:(ANDconst [c] y)))
  6299  	// cond: x.Uses == 1
  6300  	// result: (LessEqual (TSTconst [c] y))
  6301  	for {
  6302  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6303  			break
  6304  		}
  6305  		x := v_0.Args[0]
  6306  		if x.Op != OpARM64ANDconst {
  6307  			break
  6308  		}
  6309  		c := auxIntToInt64(x.AuxInt)
  6310  		y := x.Args[0]
  6311  		if !(x.Uses == 1) {
  6312  			break
  6313  		}
  6314  		v.reset(OpARM64LessEqual)
  6315  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
  6316  		v0.AuxInt = int64ToAuxInt(c)
  6317  		v0.AddArg(y)
  6318  		v.AddArg(v0)
  6319  		return true
  6320  	}
  6321  	// match: (LessEqual (FlagConstant [fc]))
  6322  	// result: (MOVDconst [b2i(fc.le())])
  6323  	for {
  6324  		if v_0.Op != OpARM64FlagConstant {
  6325  			break
  6326  		}
  6327  		fc := auxIntToFlagConstant(v_0.AuxInt)
  6328  		v.reset(OpARM64MOVDconst)
  6329  		v.AuxInt = int64ToAuxInt(b2i(fc.le()))
  6330  		return true
  6331  	}
  6332  	// match: (LessEqual (InvertFlags x))
  6333  	// result: (GreaterEqual x)
  6334  	for {
  6335  		if v_0.Op != OpARM64InvertFlags {
  6336  			break
  6337  		}
  6338  		x := v_0.Args[0]
  6339  		v.reset(OpARM64GreaterEqual)
  6340  		v.AddArg(x)
  6341  		return true
  6342  	}
  6343  	return false
  6344  }
  6345  func rewriteValueARM64_OpARM64LessEqualF(v *Value) bool {
  6346  	v_0 := v.Args[0]
  6347  	// match: (LessEqualF (InvertFlags x))
  6348  	// result: (GreaterEqualF x)
  6349  	for {
  6350  		if v_0.Op != OpARM64InvertFlags {
  6351  			break
  6352  		}
  6353  		x := v_0.Args[0]
  6354  		v.reset(OpARM64GreaterEqualF)
  6355  		v.AddArg(x)
  6356  		return true
  6357  	}
  6358  	return false
  6359  }
  6360  func rewriteValueARM64_OpARM64LessEqualU(v *Value) bool {
  6361  	v_0 := v.Args[0]
  6362  	// match: (LessEqualU (FlagConstant [fc]))
  6363  	// result: (MOVDconst [b2i(fc.ule())])
  6364  	for {
  6365  		if v_0.Op != OpARM64FlagConstant {
  6366  			break
  6367  		}
  6368  		fc := auxIntToFlagConstant(v_0.AuxInt)
  6369  		v.reset(OpARM64MOVDconst)
  6370  		v.AuxInt = int64ToAuxInt(b2i(fc.ule()))
  6371  		return true
  6372  	}
  6373  	// match: (LessEqualU (InvertFlags x))
  6374  	// result: (GreaterEqualU x)
  6375  	for {
  6376  		if v_0.Op != OpARM64InvertFlags {
  6377  			break
  6378  		}
  6379  		x := v_0.Args[0]
  6380  		v.reset(OpARM64GreaterEqualU)
  6381  		v.AddArg(x)
  6382  		return true
  6383  	}
  6384  	return false
  6385  }
  6386  func rewriteValueARM64_OpARM64LessThan(v *Value) bool {
  6387  	v_0 := v.Args[0]
  6388  	b := v.Block
  6389  	// match: (LessThan (CMPconst [0] z:(AND x y)))
  6390  	// cond: z.Uses == 1
  6391  	// result: (LessThan (TST x y))
  6392  	for {
  6393  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6394  			break
  6395  		}
  6396  		z := v_0.Args[0]
  6397  		if z.Op != OpARM64AND {
  6398  			break
  6399  		}
  6400  		y := z.Args[1]
  6401  		x := z.Args[0]
  6402  		if !(z.Uses == 1) {
  6403  			break
  6404  		}
  6405  		v.reset(OpARM64LessThan)
  6406  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
  6407  		v0.AddArg2(x, y)
  6408  		v.AddArg(v0)
  6409  		return true
  6410  	}
  6411  	// match: (LessThan (CMPWconst [0] x:(ANDconst [c] y)))
  6412  	// cond: x.Uses == 1
  6413  	// result: (LessThan (TSTWconst [int32(c)] y))
  6414  	for {
  6415  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6416  			break
  6417  		}
  6418  		x := v_0.Args[0]
  6419  		if x.Op != OpARM64ANDconst {
  6420  			break
  6421  		}
  6422  		c := auxIntToInt64(x.AuxInt)
  6423  		y := x.Args[0]
  6424  		if !(x.Uses == 1) {
  6425  			break
  6426  		}
  6427  		v.reset(OpARM64LessThan)
  6428  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
  6429  		v0.AuxInt = int32ToAuxInt(int32(c))
  6430  		v0.AddArg(y)
  6431  		v.AddArg(v0)
  6432  		return true
  6433  	}
  6434  	// match: (LessThan (CMPWconst [0] z:(AND x y)))
  6435  	// cond: z.Uses == 1
  6436  	// result: (LessThan (TSTW x y))
  6437  	for {
  6438  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6439  			break
  6440  		}
  6441  		z := v_0.Args[0]
  6442  		if z.Op != OpARM64AND {
  6443  			break
  6444  		}
  6445  		y := z.Args[1]
  6446  		x := z.Args[0]
  6447  		if !(z.Uses == 1) {
  6448  			break
  6449  		}
  6450  		v.reset(OpARM64LessThan)
  6451  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
  6452  		v0.AddArg2(x, y)
  6453  		v.AddArg(v0)
  6454  		return true
  6455  	}
  6456  	// match: (LessThan (CMPconst [0] x:(ANDconst [c] y)))
  6457  	// cond: x.Uses == 1
  6458  	// result: (LessThan (TSTconst [c] y))
  6459  	for {
  6460  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6461  			break
  6462  		}
  6463  		x := v_0.Args[0]
  6464  		if x.Op != OpARM64ANDconst {
  6465  			break
  6466  		}
  6467  		c := auxIntToInt64(x.AuxInt)
  6468  		y := x.Args[0]
  6469  		if !(x.Uses == 1) {
  6470  			break
  6471  		}
  6472  		v.reset(OpARM64LessThan)
  6473  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
  6474  		v0.AuxInt = int64ToAuxInt(c)
  6475  		v0.AddArg(y)
  6476  		v.AddArg(v0)
  6477  		return true
  6478  	}
  6479  	// match: (LessThan (CMPconst [0] x:(ADDconst [c] y)))
  6480  	// cond: x.Uses == 1
  6481  	// result: (LessThanNoov (CMNconst [c] y))
  6482  	for {
  6483  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6484  			break
  6485  		}
  6486  		x := v_0.Args[0]
  6487  		if x.Op != OpARM64ADDconst {
  6488  			break
  6489  		}
  6490  		c := auxIntToInt64(x.AuxInt)
  6491  		y := x.Args[0]
  6492  		if !(x.Uses == 1) {
  6493  			break
  6494  		}
  6495  		v.reset(OpARM64LessThanNoov)
  6496  		v0 := b.NewValue0(v.Pos, OpARM64CMNconst, types.TypeFlags)
  6497  		v0.AuxInt = int64ToAuxInt(c)
  6498  		v0.AddArg(y)
  6499  		v.AddArg(v0)
  6500  		return true
  6501  	}
  6502  	// match: (LessThan (CMPWconst [0] x:(ADDconst [c] y)))
  6503  	// cond: x.Uses == 1
  6504  	// result: (LessThanNoov (CMNWconst [int32(c)] y))
  6505  	for {
  6506  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6507  			break
  6508  		}
  6509  		x := v_0.Args[0]
  6510  		if x.Op != OpARM64ADDconst {
  6511  			break
  6512  		}
  6513  		c := auxIntToInt64(x.AuxInt)
  6514  		y := x.Args[0]
  6515  		if !(x.Uses == 1) {
  6516  			break
  6517  		}
  6518  		v.reset(OpARM64LessThanNoov)
  6519  		v0 := b.NewValue0(v.Pos, OpARM64CMNWconst, types.TypeFlags)
  6520  		v0.AuxInt = int32ToAuxInt(int32(c))
  6521  		v0.AddArg(y)
  6522  		v.AddArg(v0)
  6523  		return true
  6524  	}
  6525  	// match: (LessThan (CMPconst [0] z:(ADD x y)))
  6526  	// cond: z.Uses == 1
  6527  	// result: (LessThanNoov (CMN x y))
  6528  	for {
  6529  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6530  			break
  6531  		}
  6532  		z := v_0.Args[0]
  6533  		if z.Op != OpARM64ADD {
  6534  			break
  6535  		}
  6536  		y := z.Args[1]
  6537  		x := z.Args[0]
  6538  		if !(z.Uses == 1) {
  6539  			break
  6540  		}
  6541  		v.reset(OpARM64LessThanNoov)
  6542  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  6543  		v0.AddArg2(x, y)
  6544  		v.AddArg(v0)
  6545  		return true
  6546  	}
  6547  	// match: (LessThan (CMPWconst [0] z:(ADD x y)))
  6548  	// cond: z.Uses == 1
  6549  	// result: (LessThanNoov (CMNW x y))
  6550  	for {
  6551  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6552  			break
  6553  		}
  6554  		z := v_0.Args[0]
  6555  		if z.Op != OpARM64ADD {
  6556  			break
  6557  		}
  6558  		y := z.Args[1]
  6559  		x := z.Args[0]
  6560  		if !(z.Uses == 1) {
  6561  			break
  6562  		}
  6563  		v.reset(OpARM64LessThanNoov)
  6564  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  6565  		v0.AddArg2(x, y)
  6566  		v.AddArg(v0)
  6567  		return true
  6568  	}
  6569  	// match: (LessThan (CMPconst [0] z:(MADD a x y)))
  6570  	// cond: z.Uses == 1
  6571  	// result: (LessThanNoov (CMN a (MUL <x.Type> x y)))
  6572  	for {
  6573  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6574  			break
  6575  		}
  6576  		z := v_0.Args[0]
  6577  		if z.Op != OpARM64MADD {
  6578  			break
  6579  		}
  6580  		y := z.Args[2]
  6581  		a := z.Args[0]
  6582  		x := z.Args[1]
  6583  		if !(z.Uses == 1) {
  6584  			break
  6585  		}
  6586  		v.reset(OpARM64LessThanNoov)
  6587  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
  6588  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  6589  		v1.AddArg2(x, y)
  6590  		v0.AddArg2(a, v1)
  6591  		v.AddArg(v0)
  6592  		return true
  6593  	}
  6594  	// match: (LessThan (CMPconst [0] z:(MSUB a x y)))
  6595  	// cond: z.Uses == 1
  6596  	// result: (LessThanNoov (CMP a (MUL <x.Type> x y)))
  6597  	for {
  6598  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
  6599  			break
  6600  		}
  6601  		z := v_0.Args[0]
  6602  		if z.Op != OpARM64MSUB {
  6603  			break
  6604  		}
  6605  		y := z.Args[2]
  6606  		a := z.Args[0]
  6607  		x := z.Args[1]
  6608  		if !(z.Uses == 1) {
  6609  			break
  6610  		}
  6611  		v.reset(OpARM64LessThanNoov)
  6612  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
  6613  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  6614  		v1.AddArg2(x, y)
  6615  		v0.AddArg2(a, v1)
  6616  		v.AddArg(v0)
  6617  		return true
  6618  	}
  6619  	// match: (LessThan (CMPWconst [0] z:(MADDW a x y)))
  6620  	// cond: z.Uses == 1
  6621  	// result: (LessThanNoov (CMNW a (MULW <x.Type> x y)))
  6622  	for {
  6623  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6624  			break
  6625  		}
  6626  		z := v_0.Args[0]
  6627  		if z.Op != OpARM64MADDW {
  6628  			break
  6629  		}
  6630  		y := z.Args[2]
  6631  		a := z.Args[0]
  6632  		x := z.Args[1]
  6633  		if !(z.Uses == 1) {
  6634  			break
  6635  		}
  6636  		v.reset(OpARM64LessThanNoov)
  6637  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
  6638  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  6639  		v1.AddArg2(x, y)
  6640  		v0.AddArg2(a, v1)
  6641  		v.AddArg(v0)
  6642  		return true
  6643  	}
  6644  	// match: (LessThan (CMPWconst [0] z:(MSUBW a x y)))
  6645  	// cond: z.Uses == 1
  6646  	// result: (LessThanNoov (CMPW a (MULW <x.Type> x y)))
  6647  	for {
  6648  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
  6649  			break
  6650  		}
  6651  		z := v_0.Args[0]
  6652  		if z.Op != OpARM64MSUBW {
  6653  			break
  6654  		}
  6655  		y := z.Args[2]
  6656  		a := z.Args[0]
  6657  		x := z.Args[1]
  6658  		if !(z.Uses == 1) {
  6659  			break
  6660  		}
  6661  		v.reset(OpARM64LessThanNoov)
  6662  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
  6663  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  6664  		v1.AddArg2(x, y)
  6665  		v0.AddArg2(a, v1)
  6666  		v.AddArg(v0)
  6667  		return true
  6668  	}
  6669  	// match: (LessThan (FlagConstant [fc]))
  6670  	// result: (MOVDconst [b2i(fc.lt())])
  6671  	for {
  6672  		if v_0.Op != OpARM64FlagConstant {
  6673  			break
  6674  		}
  6675  		fc := auxIntToFlagConstant(v_0.AuxInt)
  6676  		v.reset(OpARM64MOVDconst)
  6677  		v.AuxInt = int64ToAuxInt(b2i(fc.lt()))
  6678  		return true
  6679  	}
  6680  	// match: (LessThan (InvertFlags x))
  6681  	// result: (GreaterThan x)
  6682  	for {
  6683  		if v_0.Op != OpARM64InvertFlags {
  6684  			break
  6685  		}
  6686  		x := v_0.Args[0]
  6687  		v.reset(OpARM64GreaterThan)
  6688  		v.AddArg(x)
  6689  		return true
  6690  	}
  6691  	return false
  6692  }
  6693  func rewriteValueARM64_OpARM64LessThanF(v *Value) bool {
  6694  	v_0 := v.Args[0]
  6695  	// match: (LessThanF (InvertFlags x))
  6696  	// result: (GreaterThanF x)
  6697  	for {
  6698  		if v_0.Op != OpARM64InvertFlags {
  6699  			break
  6700  		}
  6701  		x := v_0.Args[0]
  6702  		v.reset(OpARM64GreaterThanF)
  6703  		v.AddArg(x)
  6704  		return true
  6705  	}
  6706  	return false
  6707  }
  6708  func rewriteValueARM64_OpARM64LessThanNoov(v *Value) bool {
  6709  	v_0 := v.Args[0]
  6710  	b := v.Block
  6711  	typ := &b.Func.Config.Types
  6712  	// match: (LessThanNoov (InvertFlags x))
  6713  	// result: (CSEL0 [OpARM64NotEqual] (GreaterEqualNoov <typ.Bool> x) x)
  6714  	for {
  6715  		if v_0.Op != OpARM64InvertFlags {
  6716  			break
  6717  		}
  6718  		x := v_0.Args[0]
  6719  		v.reset(OpARM64CSEL0)
  6720  		v.AuxInt = opToAuxInt(OpARM64NotEqual)
  6721  		v0 := b.NewValue0(v.Pos, OpARM64GreaterEqualNoov, typ.Bool)
  6722  		v0.AddArg(x)
  6723  		v.AddArg2(v0, x)
  6724  		return true
  6725  	}
  6726  	return false
  6727  }
  6728  func rewriteValueARM64_OpARM64LessThanU(v *Value) bool {
  6729  	v_0 := v.Args[0]
  6730  	// match: (LessThanU (FlagConstant [fc]))
  6731  	// result: (MOVDconst [b2i(fc.ult())])
  6732  	for {
  6733  		if v_0.Op != OpARM64FlagConstant {
  6734  			break
  6735  		}
  6736  		fc := auxIntToFlagConstant(v_0.AuxInt)
  6737  		v.reset(OpARM64MOVDconst)
  6738  		v.AuxInt = int64ToAuxInt(b2i(fc.ult()))
  6739  		return true
  6740  	}
  6741  	// match: (LessThanU (InvertFlags x))
  6742  	// result: (GreaterThanU x)
  6743  	for {
  6744  		if v_0.Op != OpARM64InvertFlags {
  6745  			break
  6746  		}
  6747  		x := v_0.Args[0]
  6748  		v.reset(OpARM64GreaterThanU)
  6749  		v.AddArg(x)
  6750  		return true
  6751  	}
  6752  	return false
  6753  }
  6754  func rewriteValueARM64_OpARM64MADD(v *Value) bool {
  6755  	v_2 := v.Args[2]
  6756  	v_1 := v.Args[1]
  6757  	v_0 := v.Args[0]
  6758  	b := v.Block
  6759  	// match: (MADD a x (MOVDconst [-1]))
  6760  	// result: (SUB a x)
  6761  	for {
  6762  		a := v_0
  6763  		x := v_1
  6764  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != -1 {
  6765  			break
  6766  		}
  6767  		v.reset(OpARM64SUB)
  6768  		v.AddArg2(a, x)
  6769  		return true
  6770  	}
  6771  	// match: (MADD a _ (MOVDconst [0]))
  6772  	// result: a
  6773  	for {
  6774  		a := v_0
  6775  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
  6776  			break
  6777  		}
  6778  		v.copyOf(a)
  6779  		return true
  6780  	}
  6781  	// match: (MADD a x (MOVDconst [1]))
  6782  	// result: (ADD a x)
  6783  	for {
  6784  		a := v_0
  6785  		x := v_1
  6786  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 1 {
  6787  			break
  6788  		}
  6789  		v.reset(OpARM64ADD)
  6790  		v.AddArg2(a, x)
  6791  		return true
  6792  	}
  6793  	// match: (MADD a x (MOVDconst [c]))
  6794  	// cond: isPowerOfTwo64(c)
  6795  	// result: (ADDshiftLL a x [log64(c)])
  6796  	for {
  6797  		a := v_0
  6798  		x := v_1
  6799  		if v_2.Op != OpARM64MOVDconst {
  6800  			break
  6801  		}
  6802  		c := auxIntToInt64(v_2.AuxInt)
  6803  		if !(isPowerOfTwo64(c)) {
  6804  			break
  6805  		}
  6806  		v.reset(OpARM64ADDshiftLL)
  6807  		v.AuxInt = int64ToAuxInt(log64(c))
  6808  		v.AddArg2(a, x)
  6809  		return true
  6810  	}
  6811  	// match: (MADD a x (MOVDconst [c]))
  6812  	// cond: isPowerOfTwo64(c-1) && c>=3
  6813  	// result: (ADD a (ADDshiftLL <x.Type> x x [log64(c-1)]))
  6814  	for {
  6815  		a := v_0
  6816  		x := v_1
  6817  		if v_2.Op != OpARM64MOVDconst {
  6818  			break
  6819  		}
  6820  		c := auxIntToInt64(v_2.AuxInt)
  6821  		if !(isPowerOfTwo64(c-1) && c >= 3) {
  6822  			break
  6823  		}
  6824  		v.reset(OpARM64ADD)
  6825  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  6826  		v0.AuxInt = int64ToAuxInt(log64(c - 1))
  6827  		v0.AddArg2(x, x)
  6828  		v.AddArg2(a, v0)
  6829  		return true
  6830  	}
  6831  	// match: (MADD a x (MOVDconst [c]))
  6832  	// cond: isPowerOfTwo64(c+1) && c>=7
  6833  	// result: (SUB a (SUBshiftLL <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 >= 7) {
  6842  			break
  6843  		}
  6844  		v.reset(OpARM64SUB)
  6845  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, 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: c%3 == 0 && isPowerOfTwo64(c/3)
  6853  	// result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)])
  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 !(c%3 == 0 && isPowerOfTwo64(c/3)) {
  6862  			break
  6863  		}
  6864  		v.reset(OpARM64SUBshiftLL)
  6865  		v.AuxInt = int64ToAuxInt(log64(c / 3))
  6866  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  6867  		v0.AuxInt = int64ToAuxInt(2)
  6868  		v0.AddArg2(x, x)
  6869  		v.AddArg2(a, v0)
  6870  		return true
  6871  	}
  6872  	// match: (MADD a x (MOVDconst [c]))
  6873  	// cond: c%5 == 0 && isPowerOfTwo64(c/5)
  6874  	// result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)])
  6875  	for {
  6876  		a := v_0
  6877  		x := v_1
  6878  		if v_2.Op != OpARM64MOVDconst {
  6879  			break
  6880  		}
  6881  		c := auxIntToInt64(v_2.AuxInt)
  6882  		if !(c%5 == 0 && isPowerOfTwo64(c/5)) {
  6883  			break
  6884  		}
  6885  		v.reset(OpARM64ADDshiftLL)
  6886  		v.AuxInt = int64ToAuxInt(log64(c / 5))
  6887  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  6888  		v0.AuxInt = int64ToAuxInt(2)
  6889  		v0.AddArg2(x, x)
  6890  		v.AddArg2(a, v0)
  6891  		return true
  6892  	}
  6893  	// match: (MADD a x (MOVDconst [c]))
  6894  	// cond: c%7 == 0 && isPowerOfTwo64(c/7)
  6895  	// result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)])
  6896  	for {
  6897  		a := v_0
  6898  		x := v_1
  6899  		if v_2.Op != OpARM64MOVDconst {
  6900  			break
  6901  		}
  6902  		c := auxIntToInt64(v_2.AuxInt)
  6903  		if !(c%7 == 0 && isPowerOfTwo64(c/7)) {
  6904  			break
  6905  		}
  6906  		v.reset(OpARM64SUBshiftLL)
  6907  		v.AuxInt = int64ToAuxInt(log64(c / 7))
  6908  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  6909  		v0.AuxInt = int64ToAuxInt(3)
  6910  		v0.AddArg2(x, x)
  6911  		v.AddArg2(a, v0)
  6912  		return true
  6913  	}
  6914  	// match: (MADD a x (MOVDconst [c]))
  6915  	// cond: c%9 == 0 && isPowerOfTwo64(c/9)
  6916  	// result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)])
  6917  	for {
  6918  		a := v_0
  6919  		x := v_1
  6920  		if v_2.Op != OpARM64MOVDconst {
  6921  			break
  6922  		}
  6923  		c := auxIntToInt64(v_2.AuxInt)
  6924  		if !(c%9 == 0 && isPowerOfTwo64(c/9)) {
  6925  			break
  6926  		}
  6927  		v.reset(OpARM64ADDshiftLL)
  6928  		v.AuxInt = int64ToAuxInt(log64(c / 9))
  6929  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  6930  		v0.AuxInt = int64ToAuxInt(3)
  6931  		v0.AddArg2(x, x)
  6932  		v.AddArg2(a, v0)
  6933  		return true
  6934  	}
  6935  	// match: (MADD a (MOVDconst [-1]) x)
  6936  	// result: (SUB a x)
  6937  	for {
  6938  		a := v_0
  6939  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 {
  6940  			break
  6941  		}
  6942  		x := v_2
  6943  		v.reset(OpARM64SUB)
  6944  		v.AddArg2(a, x)
  6945  		return true
  6946  	}
  6947  	// match: (MADD a (MOVDconst [0]) _)
  6948  	// result: a
  6949  	for {
  6950  		a := v_0
  6951  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  6952  			break
  6953  		}
  6954  		v.copyOf(a)
  6955  		return true
  6956  	}
  6957  	// match: (MADD a (MOVDconst [1]) x)
  6958  	// result: (ADD a x)
  6959  	for {
  6960  		a := v_0
  6961  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
  6962  			break
  6963  		}
  6964  		x := v_2
  6965  		v.reset(OpARM64ADD)
  6966  		v.AddArg2(a, x)
  6967  		return true
  6968  	}
  6969  	// match: (MADD a (MOVDconst [c]) x)
  6970  	// cond: isPowerOfTwo64(c)
  6971  	// result: (ADDshiftLL a x [log64(c)])
  6972  	for {
  6973  		a := v_0
  6974  		if v_1.Op != OpARM64MOVDconst {
  6975  			break
  6976  		}
  6977  		c := auxIntToInt64(v_1.AuxInt)
  6978  		x := v_2
  6979  		if !(isPowerOfTwo64(c)) {
  6980  			break
  6981  		}
  6982  		v.reset(OpARM64ADDshiftLL)
  6983  		v.AuxInt = int64ToAuxInt(log64(c))
  6984  		v.AddArg2(a, x)
  6985  		return true
  6986  	}
  6987  	// match: (MADD a (MOVDconst [c]) x)
  6988  	// cond: isPowerOfTwo64(c-1) && c>=3
  6989  	// result: (ADD a (ADDshiftLL <x.Type> x x [log64(c-1)]))
  6990  	for {
  6991  		a := v_0
  6992  		if v_1.Op != OpARM64MOVDconst {
  6993  			break
  6994  		}
  6995  		c := auxIntToInt64(v_1.AuxInt)
  6996  		x := v_2
  6997  		if !(isPowerOfTwo64(c-1) && c >= 3) {
  6998  			break
  6999  		}
  7000  		v.reset(OpARM64ADD)
  7001  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7002  		v0.AuxInt = int64ToAuxInt(log64(c - 1))
  7003  		v0.AddArg2(x, x)
  7004  		v.AddArg2(a, v0)
  7005  		return true
  7006  	}
  7007  	// match: (MADD a (MOVDconst [c]) x)
  7008  	// cond: isPowerOfTwo64(c+1) && c>=7
  7009  	// result: (SUB a (SUBshiftLL <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 >= 7) {
  7018  			break
  7019  		}
  7020  		v.reset(OpARM64SUB)
  7021  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, 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: c%3 == 0 && isPowerOfTwo64(c/3)
  7029  	// result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)])
  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 !(c%3 == 0 && isPowerOfTwo64(c/3)) {
  7038  			break
  7039  		}
  7040  		v.reset(OpARM64SUBshiftLL)
  7041  		v.AuxInt = int64ToAuxInt(log64(c / 3))
  7042  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7043  		v0.AuxInt = int64ToAuxInt(2)
  7044  		v0.AddArg2(x, x)
  7045  		v.AddArg2(a, v0)
  7046  		return true
  7047  	}
  7048  	// match: (MADD a (MOVDconst [c]) x)
  7049  	// cond: c%5 == 0 && isPowerOfTwo64(c/5)
  7050  	// result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)])
  7051  	for {
  7052  		a := v_0
  7053  		if v_1.Op != OpARM64MOVDconst {
  7054  			break
  7055  		}
  7056  		c := auxIntToInt64(v_1.AuxInt)
  7057  		x := v_2
  7058  		if !(c%5 == 0 && isPowerOfTwo64(c/5)) {
  7059  			break
  7060  		}
  7061  		v.reset(OpARM64ADDshiftLL)
  7062  		v.AuxInt = int64ToAuxInt(log64(c / 5))
  7063  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7064  		v0.AuxInt = int64ToAuxInt(2)
  7065  		v0.AddArg2(x, x)
  7066  		v.AddArg2(a, v0)
  7067  		return true
  7068  	}
  7069  	// match: (MADD a (MOVDconst [c]) x)
  7070  	// cond: c%7 == 0 && isPowerOfTwo64(c/7)
  7071  	// result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)])
  7072  	for {
  7073  		a := v_0
  7074  		if v_1.Op != OpARM64MOVDconst {
  7075  			break
  7076  		}
  7077  		c := auxIntToInt64(v_1.AuxInt)
  7078  		x := v_2
  7079  		if !(c%7 == 0 && isPowerOfTwo64(c/7)) {
  7080  			break
  7081  		}
  7082  		v.reset(OpARM64SUBshiftLL)
  7083  		v.AuxInt = int64ToAuxInt(log64(c / 7))
  7084  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7085  		v0.AuxInt = int64ToAuxInt(3)
  7086  		v0.AddArg2(x, x)
  7087  		v.AddArg2(a, v0)
  7088  		return true
  7089  	}
  7090  	// match: (MADD a (MOVDconst [c]) x)
  7091  	// cond: c%9 == 0 && isPowerOfTwo64(c/9)
  7092  	// result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)])
  7093  	for {
  7094  		a := v_0
  7095  		if v_1.Op != OpARM64MOVDconst {
  7096  			break
  7097  		}
  7098  		c := auxIntToInt64(v_1.AuxInt)
  7099  		x := v_2
  7100  		if !(c%9 == 0 && isPowerOfTwo64(c/9)) {
  7101  			break
  7102  		}
  7103  		v.reset(OpARM64ADDshiftLL)
  7104  		v.AuxInt = int64ToAuxInt(log64(c / 9))
  7105  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7106  		v0.AuxInt = int64ToAuxInt(3)
  7107  		v0.AddArg2(x, x)
  7108  		v.AddArg2(a, v0)
  7109  		return true
  7110  	}
  7111  	// match: (MADD (MOVDconst [c]) x y)
  7112  	// result: (ADDconst [c] (MUL <x.Type> x y))
  7113  	for {
  7114  		if v_0.Op != OpARM64MOVDconst {
  7115  			break
  7116  		}
  7117  		c := auxIntToInt64(v_0.AuxInt)
  7118  		x := v_1
  7119  		y := v_2
  7120  		v.reset(OpARM64ADDconst)
  7121  		v.AuxInt = int64ToAuxInt(c)
  7122  		v0 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
  7123  		v0.AddArg2(x, y)
  7124  		v.AddArg(v0)
  7125  		return true
  7126  	}
  7127  	// match: (MADD a (MOVDconst [c]) (MOVDconst [d]))
  7128  	// result: (ADDconst [c*d] a)
  7129  	for {
  7130  		a := v_0
  7131  		if v_1.Op != OpARM64MOVDconst {
  7132  			break
  7133  		}
  7134  		c := auxIntToInt64(v_1.AuxInt)
  7135  		if v_2.Op != OpARM64MOVDconst {
  7136  			break
  7137  		}
  7138  		d := auxIntToInt64(v_2.AuxInt)
  7139  		v.reset(OpARM64ADDconst)
  7140  		v.AuxInt = int64ToAuxInt(c * d)
  7141  		v.AddArg(a)
  7142  		return true
  7143  	}
  7144  	return false
  7145  }
  7146  func rewriteValueARM64_OpARM64MADDW(v *Value) bool {
  7147  	v_2 := v.Args[2]
  7148  	v_1 := v.Args[1]
  7149  	v_0 := v.Args[0]
  7150  	b := v.Block
  7151  	// match: (MADDW a x (MOVDconst [c]))
  7152  	// cond: int32(c)==-1
  7153  	// result: (MOVWUreg (SUB <a.Type> a x))
  7154  	for {
  7155  		a := v_0
  7156  		x := v_1
  7157  		if v_2.Op != OpARM64MOVDconst {
  7158  			break
  7159  		}
  7160  		c := auxIntToInt64(v_2.AuxInt)
  7161  		if !(int32(c) == -1) {
  7162  			break
  7163  		}
  7164  		v.reset(OpARM64MOVWUreg)
  7165  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
  7166  		v0.AddArg2(a, x)
  7167  		v.AddArg(v0)
  7168  		return true
  7169  	}
  7170  	// match: (MADDW a _ (MOVDconst [c]))
  7171  	// cond: int32(c)==0
  7172  	// result: (MOVWUreg a)
  7173  	for {
  7174  		a := v_0
  7175  		if v_2.Op != OpARM64MOVDconst {
  7176  			break
  7177  		}
  7178  		c := auxIntToInt64(v_2.AuxInt)
  7179  		if !(int32(c) == 0) {
  7180  			break
  7181  		}
  7182  		v.reset(OpARM64MOVWUreg)
  7183  		v.AddArg(a)
  7184  		return true
  7185  	}
  7186  	// match: (MADDW a x (MOVDconst [c]))
  7187  	// cond: int32(c)==1
  7188  	// result: (MOVWUreg (ADD <a.Type> a x))
  7189  	for {
  7190  		a := v_0
  7191  		x := v_1
  7192  		if v_2.Op != OpARM64MOVDconst {
  7193  			break
  7194  		}
  7195  		c := auxIntToInt64(v_2.AuxInt)
  7196  		if !(int32(c) == 1) {
  7197  			break
  7198  		}
  7199  		v.reset(OpARM64MOVWUreg)
  7200  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
  7201  		v0.AddArg2(a, x)
  7202  		v.AddArg(v0)
  7203  		return true
  7204  	}
  7205  	// match: (MADDW a x (MOVDconst [c]))
  7206  	// cond: isPowerOfTwo64(c)
  7207  	// result: (MOVWUreg (ADDshiftLL <a.Type> a x [log64(c)]))
  7208  	for {
  7209  		a := v_0
  7210  		x := v_1
  7211  		if v_2.Op != OpARM64MOVDconst {
  7212  			break
  7213  		}
  7214  		c := auxIntToInt64(v_2.AuxInt)
  7215  		if !(isPowerOfTwo64(c)) {
  7216  			break
  7217  		}
  7218  		v.reset(OpARM64MOVWUreg)
  7219  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  7220  		v0.AuxInt = int64ToAuxInt(log64(c))
  7221  		v0.AddArg2(a, x)
  7222  		v.AddArg(v0)
  7223  		return true
  7224  	}
  7225  	// match: (MADDW a x (MOVDconst [c]))
  7226  	// cond: isPowerOfTwo64(c-1) && int32(c)>=3
  7227  	// result: (MOVWUreg (ADD <a.Type> a (ADDshiftLL <x.Type> x x [log64(c-1)])))
  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-1) && int32(c) >= 3) {
  7236  			break
  7237  		}
  7238  		v.reset(OpARM64MOVWUreg)
  7239  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
  7240  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7241  		v1.AuxInt = int64ToAuxInt(log64(c - 1))
  7242  		v1.AddArg2(x, x)
  7243  		v0.AddArg2(a, v1)
  7244  		v.AddArg(v0)
  7245  		return true
  7246  	}
  7247  	// match: (MADDW a x (MOVDconst [c]))
  7248  	// cond: isPowerOfTwo64(c+1) && int32(c)>=7
  7249  	// result: (MOVWUreg (SUB <a.Type> a (SUBshiftLL <x.Type> x x [log64(c+1)])))
  7250  	for {
  7251  		a := v_0
  7252  		x := v_1
  7253  		if v_2.Op != OpARM64MOVDconst {
  7254  			break
  7255  		}
  7256  		c := auxIntToInt64(v_2.AuxInt)
  7257  		if !(isPowerOfTwo64(c+1) && int32(c) >= 7) {
  7258  			break
  7259  		}
  7260  		v.reset(OpARM64MOVWUreg)
  7261  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
  7262  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7263  		v1.AuxInt = int64ToAuxInt(log64(c + 1))
  7264  		v1.AddArg2(x, x)
  7265  		v0.AddArg2(a, v1)
  7266  		v.AddArg(v0)
  7267  		return true
  7268  	}
  7269  	// match: (MADDW a x (MOVDconst [c]))
  7270  	// cond: c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)
  7271  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]))
  7272  	for {
  7273  		a := v_0
  7274  		x := v_1
  7275  		if v_2.Op != OpARM64MOVDconst {
  7276  			break
  7277  		}
  7278  		c := auxIntToInt64(v_2.AuxInt)
  7279  		if !(c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)) {
  7280  			break
  7281  		}
  7282  		v.reset(OpARM64MOVWUreg)
  7283  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
  7284  		v0.AuxInt = int64ToAuxInt(log64(c / 3))
  7285  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7286  		v1.AuxInt = int64ToAuxInt(2)
  7287  		v1.AddArg2(x, x)
  7288  		v0.AddArg2(a, v1)
  7289  		v.AddArg(v0)
  7290  		return true
  7291  	}
  7292  	// match: (MADDW a x (MOVDconst [c]))
  7293  	// cond: c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)
  7294  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]))
  7295  	for {
  7296  		a := v_0
  7297  		x := v_1
  7298  		if v_2.Op != OpARM64MOVDconst {
  7299  			break
  7300  		}
  7301  		c := auxIntToInt64(v_2.AuxInt)
  7302  		if !(c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)) {
  7303  			break
  7304  		}
  7305  		v.reset(OpARM64MOVWUreg)
  7306  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  7307  		v0.AuxInt = int64ToAuxInt(log64(c / 5))
  7308  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7309  		v1.AuxInt = int64ToAuxInt(2)
  7310  		v1.AddArg2(x, x)
  7311  		v0.AddArg2(a, v1)
  7312  		v.AddArg(v0)
  7313  		return true
  7314  	}
  7315  	// match: (MADDW a x (MOVDconst [c]))
  7316  	// cond: c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)
  7317  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]))
  7318  	for {
  7319  		a := v_0
  7320  		x := v_1
  7321  		if v_2.Op != OpARM64MOVDconst {
  7322  			break
  7323  		}
  7324  		c := auxIntToInt64(v_2.AuxInt)
  7325  		if !(c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)) {
  7326  			break
  7327  		}
  7328  		v.reset(OpARM64MOVWUreg)
  7329  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
  7330  		v0.AuxInt = int64ToAuxInt(log64(c / 7))
  7331  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7332  		v1.AuxInt = int64ToAuxInt(3)
  7333  		v1.AddArg2(x, x)
  7334  		v0.AddArg2(a, v1)
  7335  		v.AddArg(v0)
  7336  		return true
  7337  	}
  7338  	// match: (MADDW a x (MOVDconst [c]))
  7339  	// cond: c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)
  7340  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]))
  7341  	for {
  7342  		a := v_0
  7343  		x := v_1
  7344  		if v_2.Op != OpARM64MOVDconst {
  7345  			break
  7346  		}
  7347  		c := auxIntToInt64(v_2.AuxInt)
  7348  		if !(c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)) {
  7349  			break
  7350  		}
  7351  		v.reset(OpARM64MOVWUreg)
  7352  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  7353  		v0.AuxInt = int64ToAuxInt(log64(c / 9))
  7354  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7355  		v1.AuxInt = int64ToAuxInt(3)
  7356  		v1.AddArg2(x, x)
  7357  		v0.AddArg2(a, v1)
  7358  		v.AddArg(v0)
  7359  		return true
  7360  	}
  7361  	// match: (MADDW a (MOVDconst [c]) x)
  7362  	// cond: int32(c)==-1
  7363  	// result: (MOVWUreg (SUB <a.Type> a x))
  7364  	for {
  7365  		a := v_0
  7366  		if v_1.Op != OpARM64MOVDconst {
  7367  			break
  7368  		}
  7369  		c := auxIntToInt64(v_1.AuxInt)
  7370  		x := v_2
  7371  		if !(int32(c) == -1) {
  7372  			break
  7373  		}
  7374  		v.reset(OpARM64MOVWUreg)
  7375  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
  7376  		v0.AddArg2(a, x)
  7377  		v.AddArg(v0)
  7378  		return true
  7379  	}
  7380  	// match: (MADDW a (MOVDconst [c]) _)
  7381  	// cond: int32(c)==0
  7382  	// result: (MOVWUreg a)
  7383  	for {
  7384  		a := v_0
  7385  		if v_1.Op != OpARM64MOVDconst {
  7386  			break
  7387  		}
  7388  		c := auxIntToInt64(v_1.AuxInt)
  7389  		if !(int32(c) == 0) {
  7390  			break
  7391  		}
  7392  		v.reset(OpARM64MOVWUreg)
  7393  		v.AddArg(a)
  7394  		return true
  7395  	}
  7396  	// match: (MADDW a (MOVDconst [c]) x)
  7397  	// cond: int32(c)==1
  7398  	// result: (MOVWUreg (ADD <a.Type> a x))
  7399  	for {
  7400  		a := v_0
  7401  		if v_1.Op != OpARM64MOVDconst {
  7402  			break
  7403  		}
  7404  		c := auxIntToInt64(v_1.AuxInt)
  7405  		x := v_2
  7406  		if !(int32(c) == 1) {
  7407  			break
  7408  		}
  7409  		v.reset(OpARM64MOVWUreg)
  7410  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
  7411  		v0.AddArg2(a, x)
  7412  		v.AddArg(v0)
  7413  		return true
  7414  	}
  7415  	// match: (MADDW a (MOVDconst [c]) x)
  7416  	// cond: isPowerOfTwo64(c)
  7417  	// result: (MOVWUreg (ADDshiftLL <a.Type> a x [log64(c)]))
  7418  	for {
  7419  		a := v_0
  7420  		if v_1.Op != OpARM64MOVDconst {
  7421  			break
  7422  		}
  7423  		c := auxIntToInt64(v_1.AuxInt)
  7424  		x := v_2
  7425  		if !(isPowerOfTwo64(c)) {
  7426  			break
  7427  		}
  7428  		v.reset(OpARM64MOVWUreg)
  7429  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  7430  		v0.AuxInt = int64ToAuxInt(log64(c))
  7431  		v0.AddArg2(a, x)
  7432  		v.AddArg(v0)
  7433  		return true
  7434  	}
  7435  	// match: (MADDW a (MOVDconst [c]) x)
  7436  	// cond: isPowerOfTwo64(c-1) && int32(c)>=3
  7437  	// result: (MOVWUreg (ADD <a.Type> a (ADDshiftLL <x.Type> x x [log64(c-1)])))
  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-1) && int32(c) >= 3) {
  7446  			break
  7447  		}
  7448  		v.reset(OpARM64MOVWUreg)
  7449  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
  7450  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7451  		v1.AuxInt = int64ToAuxInt(log64(c - 1))
  7452  		v1.AddArg2(x, x)
  7453  		v0.AddArg2(a, v1)
  7454  		v.AddArg(v0)
  7455  		return true
  7456  	}
  7457  	// match: (MADDW a (MOVDconst [c]) x)
  7458  	// cond: isPowerOfTwo64(c+1) && int32(c)>=7
  7459  	// result: (MOVWUreg (SUB <a.Type> a (SUBshiftLL <x.Type> x x [log64(c+1)])))
  7460  	for {
  7461  		a := v_0
  7462  		if v_1.Op != OpARM64MOVDconst {
  7463  			break
  7464  		}
  7465  		c := auxIntToInt64(v_1.AuxInt)
  7466  		x := v_2
  7467  		if !(isPowerOfTwo64(c+1) && int32(c) >= 7) {
  7468  			break
  7469  		}
  7470  		v.reset(OpARM64MOVWUreg)
  7471  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
  7472  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7473  		v1.AuxInt = int64ToAuxInt(log64(c + 1))
  7474  		v1.AddArg2(x, x)
  7475  		v0.AddArg2(a, v1)
  7476  		v.AddArg(v0)
  7477  		return true
  7478  	}
  7479  	// match: (MADDW a (MOVDconst [c]) x)
  7480  	// cond: c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)
  7481  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]))
  7482  	for {
  7483  		a := v_0
  7484  		if v_1.Op != OpARM64MOVDconst {
  7485  			break
  7486  		}
  7487  		c := auxIntToInt64(v_1.AuxInt)
  7488  		x := v_2
  7489  		if !(c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)) {
  7490  			break
  7491  		}
  7492  		v.reset(OpARM64MOVWUreg)
  7493  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
  7494  		v0.AuxInt = int64ToAuxInt(log64(c / 3))
  7495  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7496  		v1.AuxInt = int64ToAuxInt(2)
  7497  		v1.AddArg2(x, x)
  7498  		v0.AddArg2(a, v1)
  7499  		v.AddArg(v0)
  7500  		return true
  7501  	}
  7502  	// match: (MADDW a (MOVDconst [c]) x)
  7503  	// cond: c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)
  7504  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]))
  7505  	for {
  7506  		a := v_0
  7507  		if v_1.Op != OpARM64MOVDconst {
  7508  			break
  7509  		}
  7510  		c := auxIntToInt64(v_1.AuxInt)
  7511  		x := v_2
  7512  		if !(c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)) {
  7513  			break
  7514  		}
  7515  		v.reset(OpARM64MOVWUreg)
  7516  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  7517  		v0.AuxInt = int64ToAuxInt(log64(c / 5))
  7518  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7519  		v1.AuxInt = int64ToAuxInt(2)
  7520  		v1.AddArg2(x, x)
  7521  		v0.AddArg2(a, v1)
  7522  		v.AddArg(v0)
  7523  		return true
  7524  	}
  7525  	// match: (MADDW a (MOVDconst [c]) x)
  7526  	// cond: c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)
  7527  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]))
  7528  	for {
  7529  		a := v_0
  7530  		if v_1.Op != OpARM64MOVDconst {
  7531  			break
  7532  		}
  7533  		c := auxIntToInt64(v_1.AuxInt)
  7534  		x := v_2
  7535  		if !(c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)) {
  7536  			break
  7537  		}
  7538  		v.reset(OpARM64MOVWUreg)
  7539  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
  7540  		v0.AuxInt = int64ToAuxInt(log64(c / 7))
  7541  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7542  		v1.AuxInt = int64ToAuxInt(3)
  7543  		v1.AddArg2(x, x)
  7544  		v0.AddArg2(a, v1)
  7545  		v.AddArg(v0)
  7546  		return true
  7547  	}
  7548  	// match: (MADDW a (MOVDconst [c]) x)
  7549  	// cond: c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)
  7550  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]))
  7551  	for {
  7552  		a := v_0
  7553  		if v_1.Op != OpARM64MOVDconst {
  7554  			break
  7555  		}
  7556  		c := auxIntToInt64(v_1.AuxInt)
  7557  		x := v_2
  7558  		if !(c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)) {
  7559  			break
  7560  		}
  7561  		v.reset(OpARM64MOVWUreg)
  7562  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
  7563  		v0.AuxInt = int64ToAuxInt(log64(c / 9))
  7564  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7565  		v1.AuxInt = int64ToAuxInt(3)
  7566  		v1.AddArg2(x, x)
  7567  		v0.AddArg2(a, v1)
  7568  		v.AddArg(v0)
  7569  		return true
  7570  	}
  7571  	// match: (MADDW (MOVDconst [c]) x y)
  7572  	// result: (MOVWUreg (ADDconst <x.Type> [c] (MULW <x.Type> x y)))
  7573  	for {
  7574  		if v_0.Op != OpARM64MOVDconst {
  7575  			break
  7576  		}
  7577  		c := auxIntToInt64(v_0.AuxInt)
  7578  		x := v_1
  7579  		y := v_2
  7580  		v.reset(OpARM64MOVWUreg)
  7581  		v0 := b.NewValue0(v.Pos, OpARM64ADDconst, x.Type)
  7582  		v0.AuxInt = int64ToAuxInt(c)
  7583  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
  7584  		v1.AddArg2(x, y)
  7585  		v0.AddArg(v1)
  7586  		v.AddArg(v0)
  7587  		return true
  7588  	}
  7589  	// match: (MADDW a (MOVDconst [c]) (MOVDconst [d]))
  7590  	// result: (MOVWUreg (ADDconst <a.Type> [c*d] a))
  7591  	for {
  7592  		a := v_0
  7593  		if v_1.Op != OpARM64MOVDconst {
  7594  			break
  7595  		}
  7596  		c := auxIntToInt64(v_1.AuxInt)
  7597  		if v_2.Op != OpARM64MOVDconst {
  7598  			break
  7599  		}
  7600  		d := auxIntToInt64(v_2.AuxInt)
  7601  		v.reset(OpARM64MOVWUreg)
  7602  		v0 := b.NewValue0(v.Pos, OpARM64ADDconst, a.Type)
  7603  		v0.AuxInt = int64ToAuxInt(c * d)
  7604  		v0.AddArg(a)
  7605  		v.AddArg(v0)
  7606  		return true
  7607  	}
  7608  	return false
  7609  }
  7610  func rewriteValueARM64_OpARM64MNEG(v *Value) bool {
  7611  	v_1 := v.Args[1]
  7612  	v_0 := v.Args[0]
  7613  	b := v.Block
  7614  	// match: (MNEG x (MOVDconst [-1]))
  7615  	// result: x
  7616  	for {
  7617  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7618  			x := v_0
  7619  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 {
  7620  				continue
  7621  			}
  7622  			v.copyOf(x)
  7623  			return true
  7624  		}
  7625  		break
  7626  	}
  7627  	// match: (MNEG _ (MOVDconst [0]))
  7628  	// result: (MOVDconst [0])
  7629  	for {
  7630  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7631  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  7632  				continue
  7633  			}
  7634  			v.reset(OpARM64MOVDconst)
  7635  			v.AuxInt = int64ToAuxInt(0)
  7636  			return true
  7637  		}
  7638  		break
  7639  	}
  7640  	// match: (MNEG x (MOVDconst [1]))
  7641  	// result: (NEG x)
  7642  	for {
  7643  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7644  			x := v_0
  7645  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
  7646  				continue
  7647  			}
  7648  			v.reset(OpARM64NEG)
  7649  			v.AddArg(x)
  7650  			return true
  7651  		}
  7652  		break
  7653  	}
  7654  	// match: (MNEG x (MOVDconst [c]))
  7655  	// cond: isPowerOfTwo64(c)
  7656  	// result: (NEG (SLLconst <x.Type> [log64(c)] x))
  7657  	for {
  7658  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7659  			x := v_0
  7660  			if v_1.Op != OpARM64MOVDconst {
  7661  				continue
  7662  			}
  7663  			c := auxIntToInt64(v_1.AuxInt)
  7664  			if !(isPowerOfTwo64(c)) {
  7665  				continue
  7666  			}
  7667  			v.reset(OpARM64NEG)
  7668  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  7669  			v0.AuxInt = int64ToAuxInt(log64(c))
  7670  			v0.AddArg(x)
  7671  			v.AddArg(v0)
  7672  			return true
  7673  		}
  7674  		break
  7675  	}
  7676  	// match: (MNEG x (MOVDconst [c]))
  7677  	// cond: isPowerOfTwo64(c-1) && c >= 3
  7678  	// result: (NEG (ADDshiftLL <x.Type> x x [log64(c-1)]))
  7679  	for {
  7680  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7681  			x := v_0
  7682  			if v_1.Op != OpARM64MOVDconst {
  7683  				continue
  7684  			}
  7685  			c := auxIntToInt64(v_1.AuxInt)
  7686  			if !(isPowerOfTwo64(c-1) && c >= 3) {
  7687  				continue
  7688  			}
  7689  			v.reset(OpARM64NEG)
  7690  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7691  			v0.AuxInt = int64ToAuxInt(log64(c - 1))
  7692  			v0.AddArg2(x, x)
  7693  			v.AddArg(v0)
  7694  			return true
  7695  		}
  7696  		break
  7697  	}
  7698  	// match: (MNEG x (MOVDconst [c]))
  7699  	// cond: isPowerOfTwo64(c+1) && c >= 7
  7700  	// result: (NEG (ADDshiftLL <x.Type> (NEG <x.Type> x) x [log64(c+1)]))
  7701  	for {
  7702  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7703  			x := v_0
  7704  			if v_1.Op != OpARM64MOVDconst {
  7705  				continue
  7706  			}
  7707  			c := auxIntToInt64(v_1.AuxInt)
  7708  			if !(isPowerOfTwo64(c+1) && c >= 7) {
  7709  				continue
  7710  			}
  7711  			v.reset(OpARM64NEG)
  7712  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7713  			v0.AuxInt = int64ToAuxInt(log64(c + 1))
  7714  			v1 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  7715  			v1.AddArg(x)
  7716  			v0.AddArg2(v1, x)
  7717  			v.AddArg(v0)
  7718  			return true
  7719  		}
  7720  		break
  7721  	}
  7722  	// match: (MNEG x (MOVDconst [c]))
  7723  	// cond: c%3 == 0 && isPowerOfTwo64(c/3)
  7724  	// result: (SLLconst <x.Type> [log64(c/3)] (SUBshiftLL <x.Type> x x [2]))
  7725  	for {
  7726  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7727  			x := v_0
  7728  			if v_1.Op != OpARM64MOVDconst {
  7729  				continue
  7730  			}
  7731  			c := auxIntToInt64(v_1.AuxInt)
  7732  			if !(c%3 == 0 && isPowerOfTwo64(c/3)) {
  7733  				continue
  7734  			}
  7735  			v.reset(OpARM64SLLconst)
  7736  			v.Type = x.Type
  7737  			v.AuxInt = int64ToAuxInt(log64(c / 3))
  7738  			v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7739  			v0.AuxInt = int64ToAuxInt(2)
  7740  			v0.AddArg2(x, x)
  7741  			v.AddArg(v0)
  7742  			return true
  7743  		}
  7744  		break
  7745  	}
  7746  	// match: (MNEG x (MOVDconst [c]))
  7747  	// cond: c%5 == 0 && isPowerOfTwo64(c/5)
  7748  	// result: (NEG (SLLconst <x.Type> [log64(c/5)] (ADDshiftLL <x.Type> x x [2])))
  7749  	for {
  7750  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7751  			x := v_0
  7752  			if v_1.Op != OpARM64MOVDconst {
  7753  				continue
  7754  			}
  7755  			c := auxIntToInt64(v_1.AuxInt)
  7756  			if !(c%5 == 0 && isPowerOfTwo64(c/5)) {
  7757  				continue
  7758  			}
  7759  			v.reset(OpARM64NEG)
  7760  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  7761  			v0.AuxInt = int64ToAuxInt(log64(c / 5))
  7762  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7763  			v1.AuxInt = int64ToAuxInt(2)
  7764  			v1.AddArg2(x, x)
  7765  			v0.AddArg(v1)
  7766  			v.AddArg(v0)
  7767  			return true
  7768  		}
  7769  		break
  7770  	}
  7771  	// match: (MNEG x (MOVDconst [c]))
  7772  	// cond: c%7 == 0 && isPowerOfTwo64(c/7)
  7773  	// result: (SLLconst <x.Type> [log64(c/7)] (SUBshiftLL <x.Type> x x [3]))
  7774  	for {
  7775  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7776  			x := v_0
  7777  			if v_1.Op != OpARM64MOVDconst {
  7778  				continue
  7779  			}
  7780  			c := auxIntToInt64(v_1.AuxInt)
  7781  			if !(c%7 == 0 && isPowerOfTwo64(c/7)) {
  7782  				continue
  7783  			}
  7784  			v.reset(OpARM64SLLconst)
  7785  			v.Type = x.Type
  7786  			v.AuxInt = int64ToAuxInt(log64(c / 7))
  7787  			v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7788  			v0.AuxInt = int64ToAuxInt(3)
  7789  			v0.AddArg2(x, x)
  7790  			v.AddArg(v0)
  7791  			return true
  7792  		}
  7793  		break
  7794  	}
  7795  	// match: (MNEG x (MOVDconst [c]))
  7796  	// cond: c%9 == 0 && isPowerOfTwo64(c/9)
  7797  	// result: (NEG (SLLconst <x.Type> [log64(c/9)] (ADDshiftLL <x.Type> x x [3])))
  7798  	for {
  7799  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7800  			x := v_0
  7801  			if v_1.Op != OpARM64MOVDconst {
  7802  				continue
  7803  			}
  7804  			c := auxIntToInt64(v_1.AuxInt)
  7805  			if !(c%9 == 0 && isPowerOfTwo64(c/9)) {
  7806  				continue
  7807  			}
  7808  			v.reset(OpARM64NEG)
  7809  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  7810  			v0.AuxInt = int64ToAuxInt(log64(c / 9))
  7811  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7812  			v1.AuxInt = int64ToAuxInt(3)
  7813  			v1.AddArg2(x, x)
  7814  			v0.AddArg(v1)
  7815  			v.AddArg(v0)
  7816  			return true
  7817  		}
  7818  		break
  7819  	}
  7820  	// match: (MNEG (MOVDconst [c]) (MOVDconst [d]))
  7821  	// result: (MOVDconst [-c*d])
  7822  	for {
  7823  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7824  			if v_0.Op != OpARM64MOVDconst {
  7825  				continue
  7826  			}
  7827  			c := auxIntToInt64(v_0.AuxInt)
  7828  			if v_1.Op != OpARM64MOVDconst {
  7829  				continue
  7830  			}
  7831  			d := auxIntToInt64(v_1.AuxInt)
  7832  			v.reset(OpARM64MOVDconst)
  7833  			v.AuxInt = int64ToAuxInt(-c * d)
  7834  			return true
  7835  		}
  7836  		break
  7837  	}
  7838  	return false
  7839  }
  7840  func rewriteValueARM64_OpARM64MNEGW(v *Value) bool {
  7841  	v_1 := v.Args[1]
  7842  	v_0 := v.Args[0]
  7843  	b := v.Block
  7844  	// match: (MNEGW x (MOVDconst [c]))
  7845  	// cond: int32(c)==-1
  7846  	// result: (MOVWUreg x)
  7847  	for {
  7848  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7849  			x := v_0
  7850  			if v_1.Op != OpARM64MOVDconst {
  7851  				continue
  7852  			}
  7853  			c := auxIntToInt64(v_1.AuxInt)
  7854  			if !(int32(c) == -1) {
  7855  				continue
  7856  			}
  7857  			v.reset(OpARM64MOVWUreg)
  7858  			v.AddArg(x)
  7859  			return true
  7860  		}
  7861  		break
  7862  	}
  7863  	// match: (MNEGW _ (MOVDconst [c]))
  7864  	// cond: int32(c)==0
  7865  	// result: (MOVDconst [0])
  7866  	for {
  7867  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7868  			if v_1.Op != OpARM64MOVDconst {
  7869  				continue
  7870  			}
  7871  			c := auxIntToInt64(v_1.AuxInt)
  7872  			if !(int32(c) == 0) {
  7873  				continue
  7874  			}
  7875  			v.reset(OpARM64MOVDconst)
  7876  			v.AuxInt = int64ToAuxInt(0)
  7877  			return true
  7878  		}
  7879  		break
  7880  	}
  7881  	// match: (MNEGW x (MOVDconst [c]))
  7882  	// cond: int32(c)==1
  7883  	// result: (MOVWUreg (NEG <x.Type> x))
  7884  	for {
  7885  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7886  			x := v_0
  7887  			if v_1.Op != OpARM64MOVDconst {
  7888  				continue
  7889  			}
  7890  			c := auxIntToInt64(v_1.AuxInt)
  7891  			if !(int32(c) == 1) {
  7892  				continue
  7893  			}
  7894  			v.reset(OpARM64MOVWUreg)
  7895  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  7896  			v0.AddArg(x)
  7897  			v.AddArg(v0)
  7898  			return true
  7899  		}
  7900  		break
  7901  	}
  7902  	// match: (MNEGW x (MOVDconst [c]))
  7903  	// cond: isPowerOfTwo64(c)
  7904  	// result: (NEG (SLLconst <x.Type> [log64(c)] x))
  7905  	for {
  7906  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7907  			x := v_0
  7908  			if v_1.Op != OpARM64MOVDconst {
  7909  				continue
  7910  			}
  7911  			c := auxIntToInt64(v_1.AuxInt)
  7912  			if !(isPowerOfTwo64(c)) {
  7913  				continue
  7914  			}
  7915  			v.reset(OpARM64NEG)
  7916  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  7917  			v0.AuxInt = int64ToAuxInt(log64(c))
  7918  			v0.AddArg(x)
  7919  			v.AddArg(v0)
  7920  			return true
  7921  		}
  7922  		break
  7923  	}
  7924  	// match: (MNEGW x (MOVDconst [c]))
  7925  	// cond: isPowerOfTwo64(c-1) && int32(c) >= 3
  7926  	// result: (MOVWUreg (NEG <x.Type> (ADDshiftLL <x.Type> x x [log64(c-1)])))
  7927  	for {
  7928  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7929  			x := v_0
  7930  			if v_1.Op != OpARM64MOVDconst {
  7931  				continue
  7932  			}
  7933  			c := auxIntToInt64(v_1.AuxInt)
  7934  			if !(isPowerOfTwo64(c-1) && int32(c) >= 3) {
  7935  				continue
  7936  			}
  7937  			v.reset(OpARM64MOVWUreg)
  7938  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  7939  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7940  			v1.AuxInt = int64ToAuxInt(log64(c - 1))
  7941  			v1.AddArg2(x, x)
  7942  			v0.AddArg(v1)
  7943  			v.AddArg(v0)
  7944  			return true
  7945  		}
  7946  		break
  7947  	}
  7948  	// match: (MNEGW x (MOVDconst [c]))
  7949  	// cond: isPowerOfTwo64(c+1) && int32(c) >= 7
  7950  	// result: (MOVWUreg (NEG <x.Type> (ADDshiftLL <x.Type> (NEG <x.Type> x) x [log64(c+1)])))
  7951  	for {
  7952  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7953  			x := v_0
  7954  			if v_1.Op != OpARM64MOVDconst {
  7955  				continue
  7956  			}
  7957  			c := auxIntToInt64(v_1.AuxInt)
  7958  			if !(isPowerOfTwo64(c+1) && int32(c) >= 7) {
  7959  				continue
  7960  			}
  7961  			v.reset(OpARM64MOVWUreg)
  7962  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  7963  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  7964  			v1.AuxInt = int64ToAuxInt(log64(c + 1))
  7965  			v2 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  7966  			v2.AddArg(x)
  7967  			v1.AddArg2(v2, x)
  7968  			v0.AddArg(v1)
  7969  			v.AddArg(v0)
  7970  			return true
  7971  		}
  7972  		break
  7973  	}
  7974  	// match: (MNEGW x (MOVDconst [c]))
  7975  	// cond: c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)
  7976  	// result: (MOVWUreg (SLLconst <x.Type> [log64(c/3)] (SUBshiftLL <x.Type> x x [2])))
  7977  	for {
  7978  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7979  			x := v_0
  7980  			if v_1.Op != OpARM64MOVDconst {
  7981  				continue
  7982  			}
  7983  			c := auxIntToInt64(v_1.AuxInt)
  7984  			if !(c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)) {
  7985  				continue
  7986  			}
  7987  			v.reset(OpARM64MOVWUreg)
  7988  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  7989  			v0.AuxInt = int64ToAuxInt(log64(c / 3))
  7990  			v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  7991  			v1.AuxInt = int64ToAuxInt(2)
  7992  			v1.AddArg2(x, x)
  7993  			v0.AddArg(v1)
  7994  			v.AddArg(v0)
  7995  			return true
  7996  		}
  7997  		break
  7998  	}
  7999  	// match: (MNEGW x (MOVDconst [c]))
  8000  	// cond: c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)
  8001  	// result: (MOVWUreg (NEG <x.Type> (SLLconst <x.Type> [log64(c/5)] (ADDshiftLL <x.Type> x x [2]))))
  8002  	for {
  8003  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  8004  			x := v_0
  8005  			if v_1.Op != OpARM64MOVDconst {
  8006  				continue
  8007  			}
  8008  			c := auxIntToInt64(v_1.AuxInt)
  8009  			if !(c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)) {
  8010  				continue
  8011  			}
  8012  			v.reset(OpARM64MOVWUreg)
  8013  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  8014  			v1 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  8015  			v1.AuxInt = int64ToAuxInt(log64(c / 5))
  8016  			v2 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  8017  			v2.AuxInt = int64ToAuxInt(2)
  8018  			v2.AddArg2(x, x)
  8019  			v1.AddArg(v2)
  8020  			v0.AddArg(v1)
  8021  			v.AddArg(v0)
  8022  			return true
  8023  		}
  8024  		break
  8025  	}
  8026  	// match: (MNEGW x (MOVDconst [c]))
  8027  	// cond: c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)
  8028  	// result: (MOVWUreg (SLLconst <x.Type> [log64(c/7)] (SUBshiftLL <x.Type> x x [3])))
  8029  	for {
  8030  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  8031  			x := v_0
  8032  			if v_1.Op != OpARM64MOVDconst {
  8033  				continue
  8034  			}
  8035  			c := auxIntToInt64(v_1.AuxInt)
  8036  			if !(c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)) {
  8037  				continue
  8038  			}
  8039  			v.reset(OpARM64MOVWUreg)
  8040  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  8041  			v0.AuxInt = int64ToAuxInt(log64(c / 7))
  8042  			v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
  8043  			v1.AuxInt = int64ToAuxInt(3)
  8044  			v1.AddArg2(x, x)
  8045  			v0.AddArg(v1)
  8046  			v.AddArg(v0)
  8047  			return true
  8048  		}
  8049  		break
  8050  	}
  8051  	// match: (MNEGW x (MOVDconst [c]))
  8052  	// cond: c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)
  8053  	// result: (MOVWUreg (NEG <x.Type> (SLLconst <x.Type> [log64(c/9)] (ADDshiftLL <x.Type> x x [3]))))
  8054  	for {
  8055  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  8056  			x := v_0
  8057  			if v_1.Op != OpARM64MOVDconst {
  8058  				continue
  8059  			}
  8060  			c := auxIntToInt64(v_1.AuxInt)
  8061  			if !(c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)) {
  8062  				continue
  8063  			}
  8064  			v.reset(OpARM64MOVWUreg)
  8065  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
  8066  			v1 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
  8067  			v1.AuxInt = int64ToAuxInt(log64(c / 9))
  8068  			v2 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
  8069  			v2.AuxInt = int64ToAuxInt(3)
  8070  			v2.AddArg2(x, x)
  8071  			v1.AddArg(v2)
  8072  			v0.AddArg(v1)
  8073  			v.AddArg(v0)
  8074  			return true
  8075  		}
  8076  		break
  8077  	}
  8078  	// match: (MNEGW (MOVDconst [c]) (MOVDconst [d]))
  8079  	// result: (MOVDconst [int64(uint32(-c*d))])
  8080  	for {
  8081  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  8082  			if v_0.Op != OpARM64MOVDconst {
  8083  				continue
  8084  			}
  8085  			c := auxIntToInt64(v_0.AuxInt)
  8086  			if v_1.Op != OpARM64MOVDconst {
  8087  				continue
  8088  			}
  8089  			d := auxIntToInt64(v_1.AuxInt)
  8090  			v.reset(OpARM64MOVDconst)
  8091  			v.AuxInt = int64ToAuxInt(int64(uint32(-c * d)))
  8092  			return true
  8093  		}
  8094  		break
  8095  	}
  8096  	return false
  8097  }
  8098  func rewriteValueARM64_OpARM64MOD(v *Value) bool {
  8099  	v_1 := v.Args[1]
  8100  	v_0 := v.Args[0]
  8101  	// match: (MOD (MOVDconst [c]) (MOVDconst [d]))
  8102  	// cond: d != 0
  8103  	// result: (MOVDconst [c%d])
  8104  	for {
  8105  		if v_0.Op != OpARM64MOVDconst {
  8106  			break
  8107  		}
  8108  		c := auxIntToInt64(v_0.AuxInt)
  8109  		if v_1.Op != OpARM64MOVDconst {
  8110  			break
  8111  		}
  8112  		d := auxIntToInt64(v_1.AuxInt)
  8113  		if !(d != 0) {
  8114  			break
  8115  		}
  8116  		v.reset(OpARM64MOVDconst)
  8117  		v.AuxInt = int64ToAuxInt(c % d)
  8118  		return true
  8119  	}
  8120  	return false
  8121  }
  8122  func rewriteValueARM64_OpARM64MODW(v *Value) bool {
  8123  	v_1 := v.Args[1]
  8124  	v_0 := v.Args[0]
  8125  	// match: (MODW (MOVDconst [c]) (MOVDconst [d]))
  8126  	// cond: d != 0
  8127  	// result: (MOVDconst [int64(uint32(int32(c)%int32(d)))])
  8128  	for {
  8129  		if v_0.Op != OpARM64MOVDconst {
  8130  			break
  8131  		}
  8132  		c := auxIntToInt64(v_0.AuxInt)
  8133  		if v_1.Op != OpARM64MOVDconst {
  8134  			break
  8135  		}
  8136  		d := auxIntToInt64(v_1.AuxInt)
  8137  		if !(d != 0) {
  8138  			break
  8139  		}
  8140  		v.reset(OpARM64MOVDconst)
  8141  		v.AuxInt = int64ToAuxInt(int64(uint32(int32(c) % int32(d))))
  8142  		return true
  8143  	}
  8144  	return false
  8145  }
  8146  func rewriteValueARM64_OpARM64MOVBUload(v *Value) bool {
  8147  	v_1 := v.Args[1]
  8148  	v_0 := v.Args[0]
  8149  	b := v.Block
  8150  	config := b.Func.Config
  8151  	// match: (MOVBUload [off1] {sym} (ADDconst [off2] ptr) mem)
  8152  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  8153  	// result: (MOVBUload [off1+int32(off2)] {sym} ptr mem)
  8154  	for {
  8155  		off1 := auxIntToInt32(v.AuxInt)
  8156  		sym := auxToSym(v.Aux)
  8157  		if v_0.Op != OpARM64ADDconst {
  8158  			break
  8159  		}
  8160  		off2 := auxIntToInt64(v_0.AuxInt)
  8161  		ptr := v_0.Args[0]
  8162  		mem := v_1
  8163  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  8164  			break
  8165  		}
  8166  		v.reset(OpARM64MOVBUload)
  8167  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  8168  		v.Aux = symToAux(sym)
  8169  		v.AddArg2(ptr, mem)
  8170  		return true
  8171  	}
  8172  	// match: (MOVBUload [off] {sym} (ADD ptr idx) mem)
  8173  	// cond: off == 0 && sym == nil
  8174  	// result: (MOVBUloadidx ptr idx mem)
  8175  	for {
  8176  		off := auxIntToInt32(v.AuxInt)
  8177  		sym := auxToSym(v.Aux)
  8178  		if v_0.Op != OpARM64ADD {
  8179  			break
  8180  		}
  8181  		idx := v_0.Args[1]
  8182  		ptr := v_0.Args[0]
  8183  		mem := v_1
  8184  		if !(off == 0 && sym == nil) {
  8185  			break
  8186  		}
  8187  		v.reset(OpARM64MOVBUloadidx)
  8188  		v.AddArg3(ptr, idx, mem)
  8189  		return true
  8190  	}
  8191  	// match: (MOVBUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  8192  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  8193  	// result: (MOVBUload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  8194  	for {
  8195  		off1 := auxIntToInt32(v.AuxInt)
  8196  		sym1 := auxToSym(v.Aux)
  8197  		if v_0.Op != OpARM64MOVDaddr {
  8198  			break
  8199  		}
  8200  		off2 := auxIntToInt32(v_0.AuxInt)
  8201  		sym2 := auxToSym(v_0.Aux)
  8202  		ptr := v_0.Args[0]
  8203  		mem := v_1
  8204  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  8205  			break
  8206  		}
  8207  		v.reset(OpARM64MOVBUload)
  8208  		v.AuxInt = int32ToAuxInt(off1 + off2)
  8209  		v.Aux = symToAux(mergeSym(sym1, sym2))
  8210  		v.AddArg2(ptr, mem)
  8211  		return true
  8212  	}
  8213  	// match: (MOVBUload [off] {sym} ptr (MOVBstorezero [off2] {sym2} ptr2 _))
  8214  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  8215  	// result: (MOVDconst [0])
  8216  	for {
  8217  		off := auxIntToInt32(v.AuxInt)
  8218  		sym := auxToSym(v.Aux)
  8219  		ptr := v_0
  8220  		if v_1.Op != OpARM64MOVBstorezero {
  8221  			break
  8222  		}
  8223  		off2 := auxIntToInt32(v_1.AuxInt)
  8224  		sym2 := auxToSym(v_1.Aux)
  8225  		ptr2 := v_1.Args[0]
  8226  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  8227  			break
  8228  		}
  8229  		v.reset(OpARM64MOVDconst)
  8230  		v.AuxInt = int64ToAuxInt(0)
  8231  		return true
  8232  	}
  8233  	// match: (MOVBUload [off] {sym} (SB) _)
  8234  	// cond: symIsRO(sym)
  8235  	// result: (MOVDconst [int64(read8(sym, int64(off)))])
  8236  	for {
  8237  		off := auxIntToInt32(v.AuxInt)
  8238  		sym := auxToSym(v.Aux)
  8239  		if v_0.Op != OpSB || !(symIsRO(sym)) {
  8240  			break
  8241  		}
  8242  		v.reset(OpARM64MOVDconst)
  8243  		v.AuxInt = int64ToAuxInt(int64(read8(sym, int64(off))))
  8244  		return true
  8245  	}
  8246  	return false
  8247  }
  8248  func rewriteValueARM64_OpARM64MOVBUloadidx(v *Value) bool {
  8249  	v_2 := v.Args[2]
  8250  	v_1 := v.Args[1]
  8251  	v_0 := v.Args[0]
  8252  	// match: (MOVBUloadidx ptr (MOVDconst [c]) mem)
  8253  	// cond: is32Bit(c)
  8254  	// result: (MOVBUload [int32(c)] ptr mem)
  8255  	for {
  8256  		ptr := v_0
  8257  		if v_1.Op != OpARM64MOVDconst {
  8258  			break
  8259  		}
  8260  		c := auxIntToInt64(v_1.AuxInt)
  8261  		mem := v_2
  8262  		if !(is32Bit(c)) {
  8263  			break
  8264  		}
  8265  		v.reset(OpARM64MOVBUload)
  8266  		v.AuxInt = int32ToAuxInt(int32(c))
  8267  		v.AddArg2(ptr, mem)
  8268  		return true
  8269  	}
  8270  	// match: (MOVBUloadidx (MOVDconst [c]) ptr mem)
  8271  	// cond: is32Bit(c)
  8272  	// result: (MOVBUload [int32(c)] ptr mem)
  8273  	for {
  8274  		if v_0.Op != OpARM64MOVDconst {
  8275  			break
  8276  		}
  8277  		c := auxIntToInt64(v_0.AuxInt)
  8278  		ptr := v_1
  8279  		mem := v_2
  8280  		if !(is32Bit(c)) {
  8281  			break
  8282  		}
  8283  		v.reset(OpARM64MOVBUload)
  8284  		v.AuxInt = int32ToAuxInt(int32(c))
  8285  		v.AddArg2(ptr, mem)
  8286  		return true
  8287  	}
  8288  	// match: (MOVBUloadidx ptr idx (MOVBstorezeroidx ptr2 idx2 _))
  8289  	// cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2))
  8290  	// result: (MOVDconst [0])
  8291  	for {
  8292  		ptr := v_0
  8293  		idx := v_1
  8294  		if v_2.Op != OpARM64MOVBstorezeroidx {
  8295  			break
  8296  		}
  8297  		idx2 := v_2.Args[1]
  8298  		ptr2 := v_2.Args[0]
  8299  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) {
  8300  			break
  8301  		}
  8302  		v.reset(OpARM64MOVDconst)
  8303  		v.AuxInt = int64ToAuxInt(0)
  8304  		return true
  8305  	}
  8306  	return false
  8307  }
  8308  func rewriteValueARM64_OpARM64MOVBUreg(v *Value) bool {
  8309  	v_0 := v.Args[0]
  8310  	// match: (MOVBUreg x:(MOVBUload _ _))
  8311  	// result: (MOVDreg x)
  8312  	for {
  8313  		x := v_0
  8314  		if x.Op != OpARM64MOVBUload {
  8315  			break
  8316  		}
  8317  		v.reset(OpARM64MOVDreg)
  8318  		v.AddArg(x)
  8319  		return true
  8320  	}
  8321  	// match: (MOVBUreg x:(MOVBUloadidx _ _ _))
  8322  	// result: (MOVDreg x)
  8323  	for {
  8324  		x := v_0
  8325  		if x.Op != OpARM64MOVBUloadidx {
  8326  			break
  8327  		}
  8328  		v.reset(OpARM64MOVDreg)
  8329  		v.AddArg(x)
  8330  		return true
  8331  	}
  8332  	// match: (MOVBUreg x:(MOVBUreg _))
  8333  	// result: (MOVDreg x)
  8334  	for {
  8335  		x := v_0
  8336  		if x.Op != OpARM64MOVBUreg {
  8337  			break
  8338  		}
  8339  		v.reset(OpARM64MOVDreg)
  8340  		v.AddArg(x)
  8341  		return true
  8342  	}
  8343  	// match: (MOVBUreg (ANDconst [c] x))
  8344  	// result: (ANDconst [c&(1<<8-1)] x)
  8345  	for {
  8346  		if v_0.Op != OpARM64ANDconst {
  8347  			break
  8348  		}
  8349  		c := auxIntToInt64(v_0.AuxInt)
  8350  		x := v_0.Args[0]
  8351  		v.reset(OpARM64ANDconst)
  8352  		v.AuxInt = int64ToAuxInt(c & (1<<8 - 1))
  8353  		v.AddArg(x)
  8354  		return true
  8355  	}
  8356  	// match: (MOVBUreg (MOVDconst [c]))
  8357  	// result: (MOVDconst [int64(uint8(c))])
  8358  	for {
  8359  		if v_0.Op != OpARM64MOVDconst {
  8360  			break
  8361  		}
  8362  		c := auxIntToInt64(v_0.AuxInt)
  8363  		v.reset(OpARM64MOVDconst)
  8364  		v.AuxInt = int64ToAuxInt(int64(uint8(c)))
  8365  		return true
  8366  	}
  8367  	// match: (MOVBUreg x:(Equal _))
  8368  	// result: (MOVDreg x)
  8369  	for {
  8370  		x := v_0
  8371  		if x.Op != OpARM64Equal {
  8372  			break
  8373  		}
  8374  		v.reset(OpARM64MOVDreg)
  8375  		v.AddArg(x)
  8376  		return true
  8377  	}
  8378  	// match: (MOVBUreg x:(NotEqual _))
  8379  	// result: (MOVDreg x)
  8380  	for {
  8381  		x := v_0
  8382  		if x.Op != OpARM64NotEqual {
  8383  			break
  8384  		}
  8385  		v.reset(OpARM64MOVDreg)
  8386  		v.AddArg(x)
  8387  		return true
  8388  	}
  8389  	// match: (MOVBUreg x:(LessThan _))
  8390  	// result: (MOVDreg x)
  8391  	for {
  8392  		x := v_0
  8393  		if x.Op != OpARM64LessThan {
  8394  			break
  8395  		}
  8396  		v.reset(OpARM64MOVDreg)
  8397  		v.AddArg(x)
  8398  		return true
  8399  	}
  8400  	// match: (MOVBUreg x:(LessThanU _))
  8401  	// result: (MOVDreg x)
  8402  	for {
  8403  		x := v_0
  8404  		if x.Op != OpARM64LessThanU {
  8405  			break
  8406  		}
  8407  		v.reset(OpARM64MOVDreg)
  8408  		v.AddArg(x)
  8409  		return true
  8410  	}
  8411  	// match: (MOVBUreg x:(LessThanF _))
  8412  	// result: (MOVDreg x)
  8413  	for {
  8414  		x := v_0
  8415  		if x.Op != OpARM64LessThanF {
  8416  			break
  8417  		}
  8418  		v.reset(OpARM64MOVDreg)
  8419  		v.AddArg(x)
  8420  		return true
  8421  	}
  8422  	// match: (MOVBUreg x:(LessEqual _))
  8423  	// result: (MOVDreg x)
  8424  	for {
  8425  		x := v_0
  8426  		if x.Op != OpARM64LessEqual {
  8427  			break
  8428  		}
  8429  		v.reset(OpARM64MOVDreg)
  8430  		v.AddArg(x)
  8431  		return true
  8432  	}
  8433  	// match: (MOVBUreg x:(LessEqualU _))
  8434  	// result: (MOVDreg x)
  8435  	for {
  8436  		x := v_0
  8437  		if x.Op != OpARM64LessEqualU {
  8438  			break
  8439  		}
  8440  		v.reset(OpARM64MOVDreg)
  8441  		v.AddArg(x)
  8442  		return true
  8443  	}
  8444  	// match: (MOVBUreg x:(LessEqualF _))
  8445  	// result: (MOVDreg x)
  8446  	for {
  8447  		x := v_0
  8448  		if x.Op != OpARM64LessEqualF {
  8449  			break
  8450  		}
  8451  		v.reset(OpARM64MOVDreg)
  8452  		v.AddArg(x)
  8453  		return true
  8454  	}
  8455  	// match: (MOVBUreg x:(GreaterThan _))
  8456  	// result: (MOVDreg x)
  8457  	for {
  8458  		x := v_0
  8459  		if x.Op != OpARM64GreaterThan {
  8460  			break
  8461  		}
  8462  		v.reset(OpARM64MOVDreg)
  8463  		v.AddArg(x)
  8464  		return true
  8465  	}
  8466  	// match: (MOVBUreg x:(GreaterThanU _))
  8467  	// result: (MOVDreg x)
  8468  	for {
  8469  		x := v_0
  8470  		if x.Op != OpARM64GreaterThanU {
  8471  			break
  8472  		}
  8473  		v.reset(OpARM64MOVDreg)
  8474  		v.AddArg(x)
  8475  		return true
  8476  	}
  8477  	// match: (MOVBUreg x:(GreaterThanF _))
  8478  	// result: (MOVDreg x)
  8479  	for {
  8480  		x := v_0
  8481  		if x.Op != OpARM64GreaterThanF {
  8482  			break
  8483  		}
  8484  		v.reset(OpARM64MOVDreg)
  8485  		v.AddArg(x)
  8486  		return true
  8487  	}
  8488  	// match: (MOVBUreg x:(GreaterEqual _))
  8489  	// result: (MOVDreg x)
  8490  	for {
  8491  		x := v_0
  8492  		if x.Op != OpARM64GreaterEqual {
  8493  			break
  8494  		}
  8495  		v.reset(OpARM64MOVDreg)
  8496  		v.AddArg(x)
  8497  		return true
  8498  	}
  8499  	// match: (MOVBUreg x:(GreaterEqualU _))
  8500  	// result: (MOVDreg x)
  8501  	for {
  8502  		x := v_0
  8503  		if x.Op != OpARM64GreaterEqualU {
  8504  			break
  8505  		}
  8506  		v.reset(OpARM64MOVDreg)
  8507  		v.AddArg(x)
  8508  		return true
  8509  	}
  8510  	// match: (MOVBUreg x:(GreaterEqualF _))
  8511  	// result: (MOVDreg x)
  8512  	for {
  8513  		x := v_0
  8514  		if x.Op != OpARM64GreaterEqualF {
  8515  			break
  8516  		}
  8517  		v.reset(OpARM64MOVDreg)
  8518  		v.AddArg(x)
  8519  		return true
  8520  	}
  8521  	// match: (MOVBUreg x)
  8522  	// cond: v.Type.Size() <= 1
  8523  	// result: x
  8524  	for {
  8525  		x := v_0
  8526  		if !(v.Type.Size() <= 1) {
  8527  			break
  8528  		}
  8529  		v.copyOf(x)
  8530  		return true
  8531  	}
  8532  	// match: (MOVBUreg (SLLconst [lc] x))
  8533  	// cond: lc >= 8
  8534  	// result: (MOVDconst [0])
  8535  	for {
  8536  		if v_0.Op != OpARM64SLLconst {
  8537  			break
  8538  		}
  8539  		lc := auxIntToInt64(v_0.AuxInt)
  8540  		if !(lc >= 8) {
  8541  			break
  8542  		}
  8543  		v.reset(OpARM64MOVDconst)
  8544  		v.AuxInt = int64ToAuxInt(0)
  8545  		return true
  8546  	}
  8547  	// match: (MOVBUreg (SLLconst [lc] x))
  8548  	// cond: lc < 8
  8549  	// result: (UBFIZ [armBFAuxInt(lc, 8-lc)] x)
  8550  	for {
  8551  		if v_0.Op != OpARM64SLLconst {
  8552  			break
  8553  		}
  8554  		lc := auxIntToInt64(v_0.AuxInt)
  8555  		x := v_0.Args[0]
  8556  		if !(lc < 8) {
  8557  			break
  8558  		}
  8559  		v.reset(OpARM64UBFIZ)
  8560  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 8-lc))
  8561  		v.AddArg(x)
  8562  		return true
  8563  	}
  8564  	// match: (MOVBUreg (SRLconst [rc] x))
  8565  	// cond: rc < 8
  8566  	// result: (UBFX [armBFAuxInt(rc, 8)] x)
  8567  	for {
  8568  		if v_0.Op != OpARM64SRLconst {
  8569  			break
  8570  		}
  8571  		rc := auxIntToInt64(v_0.AuxInt)
  8572  		x := v_0.Args[0]
  8573  		if !(rc < 8) {
  8574  			break
  8575  		}
  8576  		v.reset(OpARM64UBFX)
  8577  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 8))
  8578  		v.AddArg(x)
  8579  		return true
  8580  	}
  8581  	// match: (MOVBUreg (UBFX [bfc] x))
  8582  	// cond: bfc.getARM64BFwidth() <= 8
  8583  	// result: (UBFX [bfc] x)
  8584  	for {
  8585  		if v_0.Op != OpARM64UBFX {
  8586  			break
  8587  		}
  8588  		bfc := auxIntToArm64BitField(v_0.AuxInt)
  8589  		x := v_0.Args[0]
  8590  		if !(bfc.getARM64BFwidth() <= 8) {
  8591  			break
  8592  		}
  8593  		v.reset(OpARM64UBFX)
  8594  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
  8595  		v.AddArg(x)
  8596  		return true
  8597  	}
  8598  	return false
  8599  }
  8600  func rewriteValueARM64_OpARM64MOVBload(v *Value) bool {
  8601  	v_1 := v.Args[1]
  8602  	v_0 := v.Args[0]
  8603  	b := v.Block
  8604  	config := b.Func.Config
  8605  	// match: (MOVBload [off1] {sym} (ADDconst [off2] ptr) mem)
  8606  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  8607  	// result: (MOVBload [off1+int32(off2)] {sym} ptr mem)
  8608  	for {
  8609  		off1 := auxIntToInt32(v.AuxInt)
  8610  		sym := auxToSym(v.Aux)
  8611  		if v_0.Op != OpARM64ADDconst {
  8612  			break
  8613  		}
  8614  		off2 := auxIntToInt64(v_0.AuxInt)
  8615  		ptr := v_0.Args[0]
  8616  		mem := v_1
  8617  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  8618  			break
  8619  		}
  8620  		v.reset(OpARM64MOVBload)
  8621  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  8622  		v.Aux = symToAux(sym)
  8623  		v.AddArg2(ptr, mem)
  8624  		return true
  8625  	}
  8626  	// match: (MOVBload [off] {sym} (ADD ptr idx) mem)
  8627  	// cond: off == 0 && sym == nil
  8628  	// result: (MOVBloadidx ptr idx mem)
  8629  	for {
  8630  		off := auxIntToInt32(v.AuxInt)
  8631  		sym := auxToSym(v.Aux)
  8632  		if v_0.Op != OpARM64ADD {
  8633  			break
  8634  		}
  8635  		idx := v_0.Args[1]
  8636  		ptr := v_0.Args[0]
  8637  		mem := v_1
  8638  		if !(off == 0 && sym == nil) {
  8639  			break
  8640  		}
  8641  		v.reset(OpARM64MOVBloadidx)
  8642  		v.AddArg3(ptr, idx, mem)
  8643  		return true
  8644  	}
  8645  	// match: (MOVBload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  8646  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  8647  	// result: (MOVBload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  8648  	for {
  8649  		off1 := auxIntToInt32(v.AuxInt)
  8650  		sym1 := auxToSym(v.Aux)
  8651  		if v_0.Op != OpARM64MOVDaddr {
  8652  			break
  8653  		}
  8654  		off2 := auxIntToInt32(v_0.AuxInt)
  8655  		sym2 := auxToSym(v_0.Aux)
  8656  		ptr := v_0.Args[0]
  8657  		mem := v_1
  8658  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  8659  			break
  8660  		}
  8661  		v.reset(OpARM64MOVBload)
  8662  		v.AuxInt = int32ToAuxInt(off1 + off2)
  8663  		v.Aux = symToAux(mergeSym(sym1, sym2))
  8664  		v.AddArg2(ptr, mem)
  8665  		return true
  8666  	}
  8667  	// match: (MOVBload [off] {sym} ptr (MOVBstorezero [off2] {sym2} ptr2 _))
  8668  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  8669  	// result: (MOVDconst [0])
  8670  	for {
  8671  		off := auxIntToInt32(v.AuxInt)
  8672  		sym := auxToSym(v.Aux)
  8673  		ptr := v_0
  8674  		if v_1.Op != OpARM64MOVBstorezero {
  8675  			break
  8676  		}
  8677  		off2 := auxIntToInt32(v_1.AuxInt)
  8678  		sym2 := auxToSym(v_1.Aux)
  8679  		ptr2 := v_1.Args[0]
  8680  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  8681  			break
  8682  		}
  8683  		v.reset(OpARM64MOVDconst)
  8684  		v.AuxInt = int64ToAuxInt(0)
  8685  		return true
  8686  	}
  8687  	return false
  8688  }
  8689  func rewriteValueARM64_OpARM64MOVBloadidx(v *Value) bool {
  8690  	v_2 := v.Args[2]
  8691  	v_1 := v.Args[1]
  8692  	v_0 := v.Args[0]
  8693  	// match: (MOVBloadidx ptr (MOVDconst [c]) mem)
  8694  	// cond: is32Bit(c)
  8695  	// result: (MOVBload [int32(c)] ptr mem)
  8696  	for {
  8697  		ptr := v_0
  8698  		if v_1.Op != OpARM64MOVDconst {
  8699  			break
  8700  		}
  8701  		c := auxIntToInt64(v_1.AuxInt)
  8702  		mem := v_2
  8703  		if !(is32Bit(c)) {
  8704  			break
  8705  		}
  8706  		v.reset(OpARM64MOVBload)
  8707  		v.AuxInt = int32ToAuxInt(int32(c))
  8708  		v.AddArg2(ptr, mem)
  8709  		return true
  8710  	}
  8711  	// match: (MOVBloadidx (MOVDconst [c]) ptr mem)
  8712  	// cond: is32Bit(c)
  8713  	// result: (MOVBload [int32(c)] ptr mem)
  8714  	for {
  8715  		if v_0.Op != OpARM64MOVDconst {
  8716  			break
  8717  		}
  8718  		c := auxIntToInt64(v_0.AuxInt)
  8719  		ptr := v_1
  8720  		mem := v_2
  8721  		if !(is32Bit(c)) {
  8722  			break
  8723  		}
  8724  		v.reset(OpARM64MOVBload)
  8725  		v.AuxInt = int32ToAuxInt(int32(c))
  8726  		v.AddArg2(ptr, mem)
  8727  		return true
  8728  	}
  8729  	// match: (MOVBloadidx ptr idx (MOVBstorezeroidx ptr2 idx2 _))
  8730  	// cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2))
  8731  	// result: (MOVDconst [0])
  8732  	for {
  8733  		ptr := v_0
  8734  		idx := v_1
  8735  		if v_2.Op != OpARM64MOVBstorezeroidx {
  8736  			break
  8737  		}
  8738  		idx2 := v_2.Args[1]
  8739  		ptr2 := v_2.Args[0]
  8740  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) {
  8741  			break
  8742  		}
  8743  		v.reset(OpARM64MOVDconst)
  8744  		v.AuxInt = int64ToAuxInt(0)
  8745  		return true
  8746  	}
  8747  	return false
  8748  }
  8749  func rewriteValueARM64_OpARM64MOVBreg(v *Value) bool {
  8750  	v_0 := v.Args[0]
  8751  	// match: (MOVBreg x:(MOVBload _ _))
  8752  	// result: (MOVDreg x)
  8753  	for {
  8754  		x := v_0
  8755  		if x.Op != OpARM64MOVBload {
  8756  			break
  8757  		}
  8758  		v.reset(OpARM64MOVDreg)
  8759  		v.AddArg(x)
  8760  		return true
  8761  	}
  8762  	// match: (MOVBreg x:(MOVBloadidx _ _ _))
  8763  	// result: (MOVDreg x)
  8764  	for {
  8765  		x := v_0
  8766  		if x.Op != OpARM64MOVBloadidx {
  8767  			break
  8768  		}
  8769  		v.reset(OpARM64MOVDreg)
  8770  		v.AddArg(x)
  8771  		return true
  8772  	}
  8773  	// match: (MOVBreg x:(MOVBreg _))
  8774  	// result: (MOVDreg x)
  8775  	for {
  8776  		x := v_0
  8777  		if x.Op != OpARM64MOVBreg {
  8778  			break
  8779  		}
  8780  		v.reset(OpARM64MOVDreg)
  8781  		v.AddArg(x)
  8782  		return true
  8783  	}
  8784  	// match: (MOVBreg (MOVDconst [c]))
  8785  	// result: (MOVDconst [int64(int8(c))])
  8786  	for {
  8787  		if v_0.Op != OpARM64MOVDconst {
  8788  			break
  8789  		}
  8790  		c := auxIntToInt64(v_0.AuxInt)
  8791  		v.reset(OpARM64MOVDconst)
  8792  		v.AuxInt = int64ToAuxInt(int64(int8(c)))
  8793  		return true
  8794  	}
  8795  	// match: (MOVBreg x)
  8796  	// cond: v.Type.Size() <= 1
  8797  	// result: x
  8798  	for {
  8799  		x := v_0
  8800  		if !(v.Type.Size() <= 1) {
  8801  			break
  8802  		}
  8803  		v.copyOf(x)
  8804  		return true
  8805  	}
  8806  	// match: (MOVBreg <t> (ANDconst x [c]))
  8807  	// cond: uint64(c) & uint64(0xffffffffffffff80) == 0
  8808  	// result: (ANDconst <t> x [c])
  8809  	for {
  8810  		t := v.Type
  8811  		if v_0.Op != OpARM64ANDconst {
  8812  			break
  8813  		}
  8814  		c := auxIntToInt64(v_0.AuxInt)
  8815  		x := v_0.Args[0]
  8816  		if !(uint64(c)&uint64(0xffffffffffffff80) == 0) {
  8817  			break
  8818  		}
  8819  		v.reset(OpARM64ANDconst)
  8820  		v.Type = t
  8821  		v.AuxInt = int64ToAuxInt(c)
  8822  		v.AddArg(x)
  8823  		return true
  8824  	}
  8825  	// match: (MOVBreg (SLLconst [lc] x))
  8826  	// cond: lc < 8
  8827  	// result: (SBFIZ [armBFAuxInt(lc, 8-lc)] x)
  8828  	for {
  8829  		if v_0.Op != OpARM64SLLconst {
  8830  			break
  8831  		}
  8832  		lc := auxIntToInt64(v_0.AuxInt)
  8833  		x := v_0.Args[0]
  8834  		if !(lc < 8) {
  8835  			break
  8836  		}
  8837  		v.reset(OpARM64SBFIZ)
  8838  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 8-lc))
  8839  		v.AddArg(x)
  8840  		return true
  8841  	}
  8842  	// match: (MOVBreg (SBFX [bfc] x))
  8843  	// cond: bfc.getARM64BFwidth() <= 8
  8844  	// result: (SBFX [bfc] x)
  8845  	for {
  8846  		if v_0.Op != OpARM64SBFX {
  8847  			break
  8848  		}
  8849  		bfc := auxIntToArm64BitField(v_0.AuxInt)
  8850  		x := v_0.Args[0]
  8851  		if !(bfc.getARM64BFwidth() <= 8) {
  8852  			break
  8853  		}
  8854  		v.reset(OpARM64SBFX)
  8855  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
  8856  		v.AddArg(x)
  8857  		return true
  8858  	}
  8859  	return false
  8860  }
  8861  func rewriteValueARM64_OpARM64MOVBstore(v *Value) bool {
  8862  	v_2 := v.Args[2]
  8863  	v_1 := v.Args[1]
  8864  	v_0 := v.Args[0]
  8865  	b := v.Block
  8866  	config := b.Func.Config
  8867  	// match: (MOVBstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  8868  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  8869  	// result: (MOVBstore [off1+int32(off2)] {sym} ptr val mem)
  8870  	for {
  8871  		off1 := auxIntToInt32(v.AuxInt)
  8872  		sym := auxToSym(v.Aux)
  8873  		if v_0.Op != OpARM64ADDconst {
  8874  			break
  8875  		}
  8876  		off2 := auxIntToInt64(v_0.AuxInt)
  8877  		ptr := v_0.Args[0]
  8878  		val := v_1
  8879  		mem := v_2
  8880  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  8881  			break
  8882  		}
  8883  		v.reset(OpARM64MOVBstore)
  8884  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  8885  		v.Aux = symToAux(sym)
  8886  		v.AddArg3(ptr, val, mem)
  8887  		return true
  8888  	}
  8889  	// match: (MOVBstore [off] {sym} (ADD ptr idx) val mem)
  8890  	// cond: off == 0 && sym == nil
  8891  	// result: (MOVBstoreidx ptr idx val mem)
  8892  	for {
  8893  		off := auxIntToInt32(v.AuxInt)
  8894  		sym := auxToSym(v.Aux)
  8895  		if v_0.Op != OpARM64ADD {
  8896  			break
  8897  		}
  8898  		idx := v_0.Args[1]
  8899  		ptr := v_0.Args[0]
  8900  		val := v_1
  8901  		mem := v_2
  8902  		if !(off == 0 && sym == nil) {
  8903  			break
  8904  		}
  8905  		v.reset(OpARM64MOVBstoreidx)
  8906  		v.AddArg4(ptr, idx, val, mem)
  8907  		return true
  8908  	}
  8909  	// match: (MOVBstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
  8910  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  8911  	// result: (MOVBstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
  8912  	for {
  8913  		off1 := auxIntToInt32(v.AuxInt)
  8914  		sym1 := auxToSym(v.Aux)
  8915  		if v_0.Op != OpARM64MOVDaddr {
  8916  			break
  8917  		}
  8918  		off2 := auxIntToInt32(v_0.AuxInt)
  8919  		sym2 := auxToSym(v_0.Aux)
  8920  		ptr := v_0.Args[0]
  8921  		val := v_1
  8922  		mem := v_2
  8923  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  8924  			break
  8925  		}
  8926  		v.reset(OpARM64MOVBstore)
  8927  		v.AuxInt = int32ToAuxInt(off1 + off2)
  8928  		v.Aux = symToAux(mergeSym(sym1, sym2))
  8929  		v.AddArg3(ptr, val, mem)
  8930  		return true
  8931  	}
  8932  	// match: (MOVBstore [off] {sym} ptr (MOVDconst [0]) mem)
  8933  	// result: (MOVBstorezero [off] {sym} ptr mem)
  8934  	for {
  8935  		off := auxIntToInt32(v.AuxInt)
  8936  		sym := auxToSym(v.Aux)
  8937  		ptr := v_0
  8938  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  8939  			break
  8940  		}
  8941  		mem := v_2
  8942  		v.reset(OpARM64MOVBstorezero)
  8943  		v.AuxInt = int32ToAuxInt(off)
  8944  		v.Aux = symToAux(sym)
  8945  		v.AddArg2(ptr, mem)
  8946  		return true
  8947  	}
  8948  	// match: (MOVBstore [off] {sym} ptr (MOVBreg x) mem)
  8949  	// result: (MOVBstore [off] {sym} ptr x mem)
  8950  	for {
  8951  		off := auxIntToInt32(v.AuxInt)
  8952  		sym := auxToSym(v.Aux)
  8953  		ptr := v_0
  8954  		if v_1.Op != OpARM64MOVBreg {
  8955  			break
  8956  		}
  8957  		x := v_1.Args[0]
  8958  		mem := v_2
  8959  		v.reset(OpARM64MOVBstore)
  8960  		v.AuxInt = int32ToAuxInt(off)
  8961  		v.Aux = symToAux(sym)
  8962  		v.AddArg3(ptr, x, mem)
  8963  		return true
  8964  	}
  8965  	// match: (MOVBstore [off] {sym} ptr (MOVBUreg x) mem)
  8966  	// result: (MOVBstore [off] {sym} ptr x mem)
  8967  	for {
  8968  		off := auxIntToInt32(v.AuxInt)
  8969  		sym := auxToSym(v.Aux)
  8970  		ptr := v_0
  8971  		if v_1.Op != OpARM64MOVBUreg {
  8972  			break
  8973  		}
  8974  		x := v_1.Args[0]
  8975  		mem := v_2
  8976  		v.reset(OpARM64MOVBstore)
  8977  		v.AuxInt = int32ToAuxInt(off)
  8978  		v.Aux = symToAux(sym)
  8979  		v.AddArg3(ptr, x, mem)
  8980  		return true
  8981  	}
  8982  	// match: (MOVBstore [off] {sym} ptr (MOVHreg x) mem)
  8983  	// result: (MOVBstore [off] {sym} ptr x mem)
  8984  	for {
  8985  		off := auxIntToInt32(v.AuxInt)
  8986  		sym := auxToSym(v.Aux)
  8987  		ptr := v_0
  8988  		if v_1.Op != OpARM64MOVHreg {
  8989  			break
  8990  		}
  8991  		x := v_1.Args[0]
  8992  		mem := v_2
  8993  		v.reset(OpARM64MOVBstore)
  8994  		v.AuxInt = int32ToAuxInt(off)
  8995  		v.Aux = symToAux(sym)
  8996  		v.AddArg3(ptr, x, mem)
  8997  		return true
  8998  	}
  8999  	// match: (MOVBstore [off] {sym} ptr (MOVHUreg x) mem)
  9000  	// result: (MOVBstore [off] {sym} ptr x mem)
  9001  	for {
  9002  		off := auxIntToInt32(v.AuxInt)
  9003  		sym := auxToSym(v.Aux)
  9004  		ptr := v_0
  9005  		if v_1.Op != OpARM64MOVHUreg {
  9006  			break
  9007  		}
  9008  		x := v_1.Args[0]
  9009  		mem := v_2
  9010  		v.reset(OpARM64MOVBstore)
  9011  		v.AuxInt = int32ToAuxInt(off)
  9012  		v.Aux = symToAux(sym)
  9013  		v.AddArg3(ptr, x, mem)
  9014  		return true
  9015  	}
  9016  	// match: (MOVBstore [off] {sym} ptr (MOVWreg x) mem)
  9017  	// result: (MOVBstore [off] {sym} ptr x mem)
  9018  	for {
  9019  		off := auxIntToInt32(v.AuxInt)
  9020  		sym := auxToSym(v.Aux)
  9021  		ptr := v_0
  9022  		if v_1.Op != OpARM64MOVWreg {
  9023  			break
  9024  		}
  9025  		x := v_1.Args[0]
  9026  		mem := v_2
  9027  		v.reset(OpARM64MOVBstore)
  9028  		v.AuxInt = int32ToAuxInt(off)
  9029  		v.Aux = symToAux(sym)
  9030  		v.AddArg3(ptr, x, mem)
  9031  		return true
  9032  	}
  9033  	// match: (MOVBstore [off] {sym} ptr (MOVWUreg x) mem)
  9034  	// result: (MOVBstore [off] {sym} ptr x mem)
  9035  	for {
  9036  		off := auxIntToInt32(v.AuxInt)
  9037  		sym := auxToSym(v.Aux)
  9038  		ptr := v_0
  9039  		if v_1.Op != OpARM64MOVWUreg {
  9040  			break
  9041  		}
  9042  		x := v_1.Args[0]
  9043  		mem := v_2
  9044  		v.reset(OpARM64MOVBstore)
  9045  		v.AuxInt = int32ToAuxInt(off)
  9046  		v.Aux = symToAux(sym)
  9047  		v.AddArg3(ptr, x, mem)
  9048  		return true
  9049  	}
  9050  	return false
  9051  }
  9052  func rewriteValueARM64_OpARM64MOVBstoreidx(v *Value) bool {
  9053  	v_3 := v.Args[3]
  9054  	v_2 := v.Args[2]
  9055  	v_1 := v.Args[1]
  9056  	v_0 := v.Args[0]
  9057  	// match: (MOVBstoreidx ptr (MOVDconst [c]) val mem)
  9058  	// cond: is32Bit(c)
  9059  	// result: (MOVBstore [int32(c)] ptr val mem)
  9060  	for {
  9061  		ptr := v_0
  9062  		if v_1.Op != OpARM64MOVDconst {
  9063  			break
  9064  		}
  9065  		c := auxIntToInt64(v_1.AuxInt)
  9066  		val := v_2
  9067  		mem := v_3
  9068  		if !(is32Bit(c)) {
  9069  			break
  9070  		}
  9071  		v.reset(OpARM64MOVBstore)
  9072  		v.AuxInt = int32ToAuxInt(int32(c))
  9073  		v.AddArg3(ptr, val, mem)
  9074  		return true
  9075  	}
  9076  	// match: (MOVBstoreidx (MOVDconst [c]) idx val mem)
  9077  	// cond: is32Bit(c)
  9078  	// result: (MOVBstore [int32(c)] idx val mem)
  9079  	for {
  9080  		if v_0.Op != OpARM64MOVDconst {
  9081  			break
  9082  		}
  9083  		c := auxIntToInt64(v_0.AuxInt)
  9084  		idx := v_1
  9085  		val := v_2
  9086  		mem := v_3
  9087  		if !(is32Bit(c)) {
  9088  			break
  9089  		}
  9090  		v.reset(OpARM64MOVBstore)
  9091  		v.AuxInt = int32ToAuxInt(int32(c))
  9092  		v.AddArg3(idx, val, mem)
  9093  		return true
  9094  	}
  9095  	// match: (MOVBstoreidx ptr idx (MOVDconst [0]) mem)
  9096  	// result: (MOVBstorezeroidx ptr idx mem)
  9097  	for {
  9098  		ptr := v_0
  9099  		idx := v_1
  9100  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
  9101  			break
  9102  		}
  9103  		mem := v_3
  9104  		v.reset(OpARM64MOVBstorezeroidx)
  9105  		v.AddArg3(ptr, idx, mem)
  9106  		return true
  9107  	}
  9108  	// match: (MOVBstoreidx ptr idx (MOVBreg x) mem)
  9109  	// result: (MOVBstoreidx ptr idx x mem)
  9110  	for {
  9111  		ptr := v_0
  9112  		idx := v_1
  9113  		if v_2.Op != OpARM64MOVBreg {
  9114  			break
  9115  		}
  9116  		x := v_2.Args[0]
  9117  		mem := v_3
  9118  		v.reset(OpARM64MOVBstoreidx)
  9119  		v.AddArg4(ptr, idx, x, mem)
  9120  		return true
  9121  	}
  9122  	// match: (MOVBstoreidx ptr idx (MOVBUreg x) mem)
  9123  	// result: (MOVBstoreidx ptr idx x mem)
  9124  	for {
  9125  		ptr := v_0
  9126  		idx := v_1
  9127  		if v_2.Op != OpARM64MOVBUreg {
  9128  			break
  9129  		}
  9130  		x := v_2.Args[0]
  9131  		mem := v_3
  9132  		v.reset(OpARM64MOVBstoreidx)
  9133  		v.AddArg4(ptr, idx, x, mem)
  9134  		return true
  9135  	}
  9136  	// match: (MOVBstoreidx ptr idx (MOVHreg x) mem)
  9137  	// result: (MOVBstoreidx ptr idx x mem)
  9138  	for {
  9139  		ptr := v_0
  9140  		idx := v_1
  9141  		if v_2.Op != OpARM64MOVHreg {
  9142  			break
  9143  		}
  9144  		x := v_2.Args[0]
  9145  		mem := v_3
  9146  		v.reset(OpARM64MOVBstoreidx)
  9147  		v.AddArg4(ptr, idx, x, mem)
  9148  		return true
  9149  	}
  9150  	// match: (MOVBstoreidx ptr idx (MOVHUreg x) mem)
  9151  	// result: (MOVBstoreidx ptr idx x mem)
  9152  	for {
  9153  		ptr := v_0
  9154  		idx := v_1
  9155  		if v_2.Op != OpARM64MOVHUreg {
  9156  			break
  9157  		}
  9158  		x := v_2.Args[0]
  9159  		mem := v_3
  9160  		v.reset(OpARM64MOVBstoreidx)
  9161  		v.AddArg4(ptr, idx, x, mem)
  9162  		return true
  9163  	}
  9164  	// match: (MOVBstoreidx ptr idx (MOVWreg x) mem)
  9165  	// result: (MOVBstoreidx ptr idx x mem)
  9166  	for {
  9167  		ptr := v_0
  9168  		idx := v_1
  9169  		if v_2.Op != OpARM64MOVWreg {
  9170  			break
  9171  		}
  9172  		x := v_2.Args[0]
  9173  		mem := v_3
  9174  		v.reset(OpARM64MOVBstoreidx)
  9175  		v.AddArg4(ptr, idx, x, mem)
  9176  		return true
  9177  	}
  9178  	// match: (MOVBstoreidx ptr idx (MOVWUreg x) mem)
  9179  	// result: (MOVBstoreidx ptr idx x mem)
  9180  	for {
  9181  		ptr := v_0
  9182  		idx := v_1
  9183  		if v_2.Op != OpARM64MOVWUreg {
  9184  			break
  9185  		}
  9186  		x := v_2.Args[0]
  9187  		mem := v_3
  9188  		v.reset(OpARM64MOVBstoreidx)
  9189  		v.AddArg4(ptr, idx, x, mem)
  9190  		return true
  9191  	}
  9192  	return false
  9193  }
  9194  func rewriteValueARM64_OpARM64MOVBstorezero(v *Value) bool {
  9195  	v_1 := v.Args[1]
  9196  	v_0 := v.Args[0]
  9197  	b := v.Block
  9198  	config := b.Func.Config
  9199  	// match: (MOVBstorezero [off1] {sym} (ADDconst [off2] ptr) mem)
  9200  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9201  	// result: (MOVBstorezero [off1+int32(off2)] {sym} ptr mem)
  9202  	for {
  9203  		off1 := auxIntToInt32(v.AuxInt)
  9204  		sym := auxToSym(v.Aux)
  9205  		if v_0.Op != OpARM64ADDconst {
  9206  			break
  9207  		}
  9208  		off2 := auxIntToInt64(v_0.AuxInt)
  9209  		ptr := v_0.Args[0]
  9210  		mem := v_1
  9211  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9212  			break
  9213  		}
  9214  		v.reset(OpARM64MOVBstorezero)
  9215  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  9216  		v.Aux = symToAux(sym)
  9217  		v.AddArg2(ptr, mem)
  9218  		return true
  9219  	}
  9220  	// match: (MOVBstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  9221  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9222  	// result: (MOVBstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  9223  	for {
  9224  		off1 := auxIntToInt32(v.AuxInt)
  9225  		sym1 := auxToSym(v.Aux)
  9226  		if v_0.Op != OpARM64MOVDaddr {
  9227  			break
  9228  		}
  9229  		off2 := auxIntToInt32(v_0.AuxInt)
  9230  		sym2 := auxToSym(v_0.Aux)
  9231  		ptr := v_0.Args[0]
  9232  		mem := v_1
  9233  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9234  			break
  9235  		}
  9236  		v.reset(OpARM64MOVBstorezero)
  9237  		v.AuxInt = int32ToAuxInt(off1 + off2)
  9238  		v.Aux = symToAux(mergeSym(sym1, sym2))
  9239  		v.AddArg2(ptr, mem)
  9240  		return true
  9241  	}
  9242  	// match: (MOVBstorezero [off] {sym} (ADD ptr idx) mem)
  9243  	// cond: off == 0 && sym == nil
  9244  	// result: (MOVBstorezeroidx ptr idx mem)
  9245  	for {
  9246  		off := auxIntToInt32(v.AuxInt)
  9247  		sym := auxToSym(v.Aux)
  9248  		if v_0.Op != OpARM64ADD {
  9249  			break
  9250  		}
  9251  		idx := v_0.Args[1]
  9252  		ptr := v_0.Args[0]
  9253  		mem := v_1
  9254  		if !(off == 0 && sym == nil) {
  9255  			break
  9256  		}
  9257  		v.reset(OpARM64MOVBstorezeroidx)
  9258  		v.AddArg3(ptr, idx, mem)
  9259  		return true
  9260  	}
  9261  	return false
  9262  }
  9263  func rewriteValueARM64_OpARM64MOVBstorezeroidx(v *Value) bool {
  9264  	v_2 := v.Args[2]
  9265  	v_1 := v.Args[1]
  9266  	v_0 := v.Args[0]
  9267  	// match: (MOVBstorezeroidx ptr (MOVDconst [c]) mem)
  9268  	// cond: is32Bit(c)
  9269  	// result: (MOVBstorezero [int32(c)] ptr mem)
  9270  	for {
  9271  		ptr := v_0
  9272  		if v_1.Op != OpARM64MOVDconst {
  9273  			break
  9274  		}
  9275  		c := auxIntToInt64(v_1.AuxInt)
  9276  		mem := v_2
  9277  		if !(is32Bit(c)) {
  9278  			break
  9279  		}
  9280  		v.reset(OpARM64MOVBstorezero)
  9281  		v.AuxInt = int32ToAuxInt(int32(c))
  9282  		v.AddArg2(ptr, mem)
  9283  		return true
  9284  	}
  9285  	// match: (MOVBstorezeroidx (MOVDconst [c]) idx mem)
  9286  	// cond: is32Bit(c)
  9287  	// result: (MOVBstorezero [int32(c)] idx mem)
  9288  	for {
  9289  		if v_0.Op != OpARM64MOVDconst {
  9290  			break
  9291  		}
  9292  		c := auxIntToInt64(v_0.AuxInt)
  9293  		idx := v_1
  9294  		mem := v_2
  9295  		if !(is32Bit(c)) {
  9296  			break
  9297  		}
  9298  		v.reset(OpARM64MOVBstorezero)
  9299  		v.AuxInt = int32ToAuxInt(int32(c))
  9300  		v.AddArg2(idx, mem)
  9301  		return true
  9302  	}
  9303  	return false
  9304  }
  9305  func rewriteValueARM64_OpARM64MOVDload(v *Value) bool {
  9306  	v_1 := v.Args[1]
  9307  	v_0 := v.Args[0]
  9308  	b := v.Block
  9309  	config := b.Func.Config
  9310  	// match: (MOVDload [off] {sym} ptr (FMOVDstore [off] {sym} ptr val _))
  9311  	// result: (FMOVDfpgp val)
  9312  	for {
  9313  		off := auxIntToInt32(v.AuxInt)
  9314  		sym := auxToSym(v.Aux)
  9315  		ptr := v_0
  9316  		if v_1.Op != OpARM64FMOVDstore || auxIntToInt32(v_1.AuxInt) != off || auxToSym(v_1.Aux) != sym {
  9317  			break
  9318  		}
  9319  		val := v_1.Args[1]
  9320  		if ptr != v_1.Args[0] {
  9321  			break
  9322  		}
  9323  		v.reset(OpARM64FMOVDfpgp)
  9324  		v.AddArg(val)
  9325  		return true
  9326  	}
  9327  	// match: (MOVDload [off1] {sym} (ADDconst [off2] ptr) mem)
  9328  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9329  	// result: (MOVDload [off1+int32(off2)] {sym} ptr mem)
  9330  	for {
  9331  		off1 := auxIntToInt32(v.AuxInt)
  9332  		sym := auxToSym(v.Aux)
  9333  		if v_0.Op != OpARM64ADDconst {
  9334  			break
  9335  		}
  9336  		off2 := auxIntToInt64(v_0.AuxInt)
  9337  		ptr := v_0.Args[0]
  9338  		mem := v_1
  9339  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9340  			break
  9341  		}
  9342  		v.reset(OpARM64MOVDload)
  9343  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  9344  		v.Aux = symToAux(sym)
  9345  		v.AddArg2(ptr, mem)
  9346  		return true
  9347  	}
  9348  	// match: (MOVDload [off] {sym} (ADD ptr idx) mem)
  9349  	// cond: off == 0 && sym == nil
  9350  	// result: (MOVDloadidx ptr idx mem)
  9351  	for {
  9352  		off := auxIntToInt32(v.AuxInt)
  9353  		sym := auxToSym(v.Aux)
  9354  		if v_0.Op != OpARM64ADD {
  9355  			break
  9356  		}
  9357  		idx := v_0.Args[1]
  9358  		ptr := v_0.Args[0]
  9359  		mem := v_1
  9360  		if !(off == 0 && sym == nil) {
  9361  			break
  9362  		}
  9363  		v.reset(OpARM64MOVDloadidx)
  9364  		v.AddArg3(ptr, idx, mem)
  9365  		return true
  9366  	}
  9367  	// match: (MOVDload [off] {sym} (ADDshiftLL [3] ptr idx) mem)
  9368  	// cond: off == 0 && sym == nil
  9369  	// result: (MOVDloadidx8 ptr idx mem)
  9370  	for {
  9371  		off := auxIntToInt32(v.AuxInt)
  9372  		sym := auxToSym(v.Aux)
  9373  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 {
  9374  			break
  9375  		}
  9376  		idx := v_0.Args[1]
  9377  		ptr := v_0.Args[0]
  9378  		mem := v_1
  9379  		if !(off == 0 && sym == nil) {
  9380  			break
  9381  		}
  9382  		v.reset(OpARM64MOVDloadidx8)
  9383  		v.AddArg3(ptr, idx, mem)
  9384  		return true
  9385  	}
  9386  	// match: (MOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  9387  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9388  	// result: (MOVDload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  9389  	for {
  9390  		off1 := auxIntToInt32(v.AuxInt)
  9391  		sym1 := auxToSym(v.Aux)
  9392  		if v_0.Op != OpARM64MOVDaddr {
  9393  			break
  9394  		}
  9395  		off2 := auxIntToInt32(v_0.AuxInt)
  9396  		sym2 := auxToSym(v_0.Aux)
  9397  		ptr := v_0.Args[0]
  9398  		mem := v_1
  9399  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9400  			break
  9401  		}
  9402  		v.reset(OpARM64MOVDload)
  9403  		v.AuxInt = int32ToAuxInt(off1 + off2)
  9404  		v.Aux = symToAux(mergeSym(sym1, sym2))
  9405  		v.AddArg2(ptr, mem)
  9406  		return true
  9407  	}
  9408  	// match: (MOVDload [off] {sym} ptr (MOVDstorezero [off2] {sym2} ptr2 _))
  9409  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  9410  	// result: (MOVDconst [0])
  9411  	for {
  9412  		off := auxIntToInt32(v.AuxInt)
  9413  		sym := auxToSym(v.Aux)
  9414  		ptr := v_0
  9415  		if v_1.Op != OpARM64MOVDstorezero {
  9416  			break
  9417  		}
  9418  		off2 := auxIntToInt32(v_1.AuxInt)
  9419  		sym2 := auxToSym(v_1.Aux)
  9420  		ptr2 := v_1.Args[0]
  9421  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  9422  			break
  9423  		}
  9424  		v.reset(OpARM64MOVDconst)
  9425  		v.AuxInt = int64ToAuxInt(0)
  9426  		return true
  9427  	}
  9428  	// match: (MOVDload [off] {sym} (SB) _)
  9429  	// cond: symIsRO(sym)
  9430  	// result: (MOVDconst [int64(read64(sym, int64(off), config.ctxt.Arch.ByteOrder))])
  9431  	for {
  9432  		off := auxIntToInt32(v.AuxInt)
  9433  		sym := auxToSym(v.Aux)
  9434  		if v_0.Op != OpSB || !(symIsRO(sym)) {
  9435  			break
  9436  		}
  9437  		v.reset(OpARM64MOVDconst)
  9438  		v.AuxInt = int64ToAuxInt(int64(read64(sym, int64(off), config.ctxt.Arch.ByteOrder)))
  9439  		return true
  9440  	}
  9441  	return false
  9442  }
  9443  func rewriteValueARM64_OpARM64MOVDloadidx(v *Value) bool {
  9444  	v_2 := v.Args[2]
  9445  	v_1 := v.Args[1]
  9446  	v_0 := v.Args[0]
  9447  	// match: (MOVDloadidx ptr (MOVDconst [c]) mem)
  9448  	// cond: is32Bit(c)
  9449  	// result: (MOVDload [int32(c)] ptr mem)
  9450  	for {
  9451  		ptr := v_0
  9452  		if v_1.Op != OpARM64MOVDconst {
  9453  			break
  9454  		}
  9455  		c := auxIntToInt64(v_1.AuxInt)
  9456  		mem := v_2
  9457  		if !(is32Bit(c)) {
  9458  			break
  9459  		}
  9460  		v.reset(OpARM64MOVDload)
  9461  		v.AuxInt = int32ToAuxInt(int32(c))
  9462  		v.AddArg2(ptr, mem)
  9463  		return true
  9464  	}
  9465  	// match: (MOVDloadidx (MOVDconst [c]) ptr mem)
  9466  	// cond: is32Bit(c)
  9467  	// result: (MOVDload [int32(c)] ptr mem)
  9468  	for {
  9469  		if v_0.Op != OpARM64MOVDconst {
  9470  			break
  9471  		}
  9472  		c := auxIntToInt64(v_0.AuxInt)
  9473  		ptr := v_1
  9474  		mem := v_2
  9475  		if !(is32Bit(c)) {
  9476  			break
  9477  		}
  9478  		v.reset(OpARM64MOVDload)
  9479  		v.AuxInt = int32ToAuxInt(int32(c))
  9480  		v.AddArg2(ptr, mem)
  9481  		return true
  9482  	}
  9483  	// match: (MOVDloadidx ptr (SLLconst [3] idx) mem)
  9484  	// result: (MOVDloadidx8 ptr idx mem)
  9485  	for {
  9486  		ptr := v_0
  9487  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 {
  9488  			break
  9489  		}
  9490  		idx := v_1.Args[0]
  9491  		mem := v_2
  9492  		v.reset(OpARM64MOVDloadidx8)
  9493  		v.AddArg3(ptr, idx, mem)
  9494  		return true
  9495  	}
  9496  	// match: (MOVDloadidx (SLLconst [3] idx) ptr mem)
  9497  	// result: (MOVDloadidx8 ptr idx mem)
  9498  	for {
  9499  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 {
  9500  			break
  9501  		}
  9502  		idx := v_0.Args[0]
  9503  		ptr := v_1
  9504  		mem := v_2
  9505  		v.reset(OpARM64MOVDloadidx8)
  9506  		v.AddArg3(ptr, idx, mem)
  9507  		return true
  9508  	}
  9509  	// match: (MOVDloadidx ptr idx (MOVDstorezeroidx ptr2 idx2 _))
  9510  	// cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2))
  9511  	// result: (MOVDconst [0])
  9512  	for {
  9513  		ptr := v_0
  9514  		idx := v_1
  9515  		if v_2.Op != OpARM64MOVDstorezeroidx {
  9516  			break
  9517  		}
  9518  		idx2 := v_2.Args[1]
  9519  		ptr2 := v_2.Args[0]
  9520  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) {
  9521  			break
  9522  		}
  9523  		v.reset(OpARM64MOVDconst)
  9524  		v.AuxInt = int64ToAuxInt(0)
  9525  		return true
  9526  	}
  9527  	return false
  9528  }
  9529  func rewriteValueARM64_OpARM64MOVDloadidx8(v *Value) bool {
  9530  	v_2 := v.Args[2]
  9531  	v_1 := v.Args[1]
  9532  	v_0 := v.Args[0]
  9533  	// match: (MOVDloadidx8 ptr (MOVDconst [c]) mem)
  9534  	// cond: is32Bit(c<<3)
  9535  	// result: (MOVDload [int32(c)<<3] ptr mem)
  9536  	for {
  9537  		ptr := v_0
  9538  		if v_1.Op != OpARM64MOVDconst {
  9539  			break
  9540  		}
  9541  		c := auxIntToInt64(v_1.AuxInt)
  9542  		mem := v_2
  9543  		if !(is32Bit(c << 3)) {
  9544  			break
  9545  		}
  9546  		v.reset(OpARM64MOVDload)
  9547  		v.AuxInt = int32ToAuxInt(int32(c) << 3)
  9548  		v.AddArg2(ptr, mem)
  9549  		return true
  9550  	}
  9551  	// match: (MOVDloadidx8 ptr idx (MOVDstorezeroidx8 ptr2 idx2 _))
  9552  	// cond: isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)
  9553  	// result: (MOVDconst [0])
  9554  	for {
  9555  		ptr := v_0
  9556  		idx := v_1
  9557  		if v_2.Op != OpARM64MOVDstorezeroidx8 {
  9558  			break
  9559  		}
  9560  		idx2 := v_2.Args[1]
  9561  		ptr2 := v_2.Args[0]
  9562  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)) {
  9563  			break
  9564  		}
  9565  		v.reset(OpARM64MOVDconst)
  9566  		v.AuxInt = int64ToAuxInt(0)
  9567  		return true
  9568  	}
  9569  	return false
  9570  }
  9571  func rewriteValueARM64_OpARM64MOVDnop(v *Value) bool {
  9572  	v_0 := v.Args[0]
  9573  	// match: (MOVDnop (MOVDconst [c]))
  9574  	// result: (MOVDconst [c])
  9575  	for {
  9576  		if v_0.Op != OpARM64MOVDconst {
  9577  			break
  9578  		}
  9579  		c := auxIntToInt64(v_0.AuxInt)
  9580  		v.reset(OpARM64MOVDconst)
  9581  		v.AuxInt = int64ToAuxInt(c)
  9582  		return true
  9583  	}
  9584  	return false
  9585  }
  9586  func rewriteValueARM64_OpARM64MOVDreg(v *Value) bool {
  9587  	v_0 := v.Args[0]
  9588  	// match: (MOVDreg x)
  9589  	// cond: x.Uses == 1
  9590  	// result: (MOVDnop x)
  9591  	for {
  9592  		x := v_0
  9593  		if !(x.Uses == 1) {
  9594  			break
  9595  		}
  9596  		v.reset(OpARM64MOVDnop)
  9597  		v.AddArg(x)
  9598  		return true
  9599  	}
  9600  	// match: (MOVDreg (MOVDconst [c]))
  9601  	// result: (MOVDconst [c])
  9602  	for {
  9603  		if v_0.Op != OpARM64MOVDconst {
  9604  			break
  9605  		}
  9606  		c := auxIntToInt64(v_0.AuxInt)
  9607  		v.reset(OpARM64MOVDconst)
  9608  		v.AuxInt = int64ToAuxInt(c)
  9609  		return true
  9610  	}
  9611  	return false
  9612  }
  9613  func rewriteValueARM64_OpARM64MOVDstore(v *Value) bool {
  9614  	v_2 := v.Args[2]
  9615  	v_1 := v.Args[1]
  9616  	v_0 := v.Args[0]
  9617  	b := v.Block
  9618  	config := b.Func.Config
  9619  	// match: (MOVDstore [off] {sym} ptr (FMOVDfpgp val) mem)
  9620  	// result: (FMOVDstore [off] {sym} ptr val mem)
  9621  	for {
  9622  		off := auxIntToInt32(v.AuxInt)
  9623  		sym := auxToSym(v.Aux)
  9624  		ptr := v_0
  9625  		if v_1.Op != OpARM64FMOVDfpgp {
  9626  			break
  9627  		}
  9628  		val := v_1.Args[0]
  9629  		mem := v_2
  9630  		v.reset(OpARM64FMOVDstore)
  9631  		v.AuxInt = int32ToAuxInt(off)
  9632  		v.Aux = symToAux(sym)
  9633  		v.AddArg3(ptr, val, mem)
  9634  		return true
  9635  	}
  9636  	// match: (MOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem)
  9637  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9638  	// result: (MOVDstore [off1+int32(off2)] {sym} ptr val mem)
  9639  	for {
  9640  		off1 := auxIntToInt32(v.AuxInt)
  9641  		sym := auxToSym(v.Aux)
  9642  		if v_0.Op != OpARM64ADDconst {
  9643  			break
  9644  		}
  9645  		off2 := auxIntToInt64(v_0.AuxInt)
  9646  		ptr := v_0.Args[0]
  9647  		val := v_1
  9648  		mem := v_2
  9649  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9650  			break
  9651  		}
  9652  		v.reset(OpARM64MOVDstore)
  9653  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  9654  		v.Aux = symToAux(sym)
  9655  		v.AddArg3(ptr, val, mem)
  9656  		return true
  9657  	}
  9658  	// match: (MOVDstore [off] {sym} (ADD ptr idx) val mem)
  9659  	// cond: off == 0 && sym == nil
  9660  	// result: (MOVDstoreidx ptr idx val mem)
  9661  	for {
  9662  		off := auxIntToInt32(v.AuxInt)
  9663  		sym := auxToSym(v.Aux)
  9664  		if v_0.Op != OpARM64ADD {
  9665  			break
  9666  		}
  9667  		idx := v_0.Args[1]
  9668  		ptr := v_0.Args[0]
  9669  		val := v_1
  9670  		mem := v_2
  9671  		if !(off == 0 && sym == nil) {
  9672  			break
  9673  		}
  9674  		v.reset(OpARM64MOVDstoreidx)
  9675  		v.AddArg4(ptr, idx, val, mem)
  9676  		return true
  9677  	}
  9678  	// match: (MOVDstore [off] {sym} (ADDshiftLL [3] ptr idx) val mem)
  9679  	// cond: off == 0 && sym == nil
  9680  	// result: (MOVDstoreidx8 ptr idx val mem)
  9681  	for {
  9682  		off := auxIntToInt32(v.AuxInt)
  9683  		sym := auxToSym(v.Aux)
  9684  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 {
  9685  			break
  9686  		}
  9687  		idx := v_0.Args[1]
  9688  		ptr := v_0.Args[0]
  9689  		val := v_1
  9690  		mem := v_2
  9691  		if !(off == 0 && sym == nil) {
  9692  			break
  9693  		}
  9694  		v.reset(OpARM64MOVDstoreidx8)
  9695  		v.AddArg4(ptr, idx, val, mem)
  9696  		return true
  9697  	}
  9698  	// match: (MOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
  9699  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9700  	// result: (MOVDstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
  9701  	for {
  9702  		off1 := auxIntToInt32(v.AuxInt)
  9703  		sym1 := auxToSym(v.Aux)
  9704  		if v_0.Op != OpARM64MOVDaddr {
  9705  			break
  9706  		}
  9707  		off2 := auxIntToInt32(v_0.AuxInt)
  9708  		sym2 := auxToSym(v_0.Aux)
  9709  		ptr := v_0.Args[0]
  9710  		val := v_1
  9711  		mem := v_2
  9712  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9713  			break
  9714  		}
  9715  		v.reset(OpARM64MOVDstore)
  9716  		v.AuxInt = int32ToAuxInt(off1 + off2)
  9717  		v.Aux = symToAux(mergeSym(sym1, sym2))
  9718  		v.AddArg3(ptr, val, mem)
  9719  		return true
  9720  	}
  9721  	// match: (MOVDstore [off] {sym} ptr (MOVDconst [0]) mem)
  9722  	// result: (MOVDstorezero [off] {sym} ptr mem)
  9723  	for {
  9724  		off := auxIntToInt32(v.AuxInt)
  9725  		sym := auxToSym(v.Aux)
  9726  		ptr := v_0
  9727  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
  9728  			break
  9729  		}
  9730  		mem := v_2
  9731  		v.reset(OpARM64MOVDstorezero)
  9732  		v.AuxInt = int32ToAuxInt(off)
  9733  		v.Aux = symToAux(sym)
  9734  		v.AddArg2(ptr, mem)
  9735  		return true
  9736  	}
  9737  	return false
  9738  }
  9739  func rewriteValueARM64_OpARM64MOVDstoreidx(v *Value) bool {
  9740  	v_3 := v.Args[3]
  9741  	v_2 := v.Args[2]
  9742  	v_1 := v.Args[1]
  9743  	v_0 := v.Args[0]
  9744  	// match: (MOVDstoreidx ptr (MOVDconst [c]) val mem)
  9745  	// cond: is32Bit(c)
  9746  	// result: (MOVDstore [int32(c)] ptr val mem)
  9747  	for {
  9748  		ptr := v_0
  9749  		if v_1.Op != OpARM64MOVDconst {
  9750  			break
  9751  		}
  9752  		c := auxIntToInt64(v_1.AuxInt)
  9753  		val := v_2
  9754  		mem := v_3
  9755  		if !(is32Bit(c)) {
  9756  			break
  9757  		}
  9758  		v.reset(OpARM64MOVDstore)
  9759  		v.AuxInt = int32ToAuxInt(int32(c))
  9760  		v.AddArg3(ptr, val, mem)
  9761  		return true
  9762  	}
  9763  	// match: (MOVDstoreidx (MOVDconst [c]) idx val mem)
  9764  	// cond: is32Bit(c)
  9765  	// result: (MOVDstore [int32(c)] idx val mem)
  9766  	for {
  9767  		if v_0.Op != OpARM64MOVDconst {
  9768  			break
  9769  		}
  9770  		c := auxIntToInt64(v_0.AuxInt)
  9771  		idx := v_1
  9772  		val := v_2
  9773  		mem := v_3
  9774  		if !(is32Bit(c)) {
  9775  			break
  9776  		}
  9777  		v.reset(OpARM64MOVDstore)
  9778  		v.AuxInt = int32ToAuxInt(int32(c))
  9779  		v.AddArg3(idx, val, mem)
  9780  		return true
  9781  	}
  9782  	// match: (MOVDstoreidx ptr (SLLconst [3] idx) val mem)
  9783  	// result: (MOVDstoreidx8 ptr idx val mem)
  9784  	for {
  9785  		ptr := v_0
  9786  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 {
  9787  			break
  9788  		}
  9789  		idx := v_1.Args[0]
  9790  		val := v_2
  9791  		mem := v_3
  9792  		v.reset(OpARM64MOVDstoreidx8)
  9793  		v.AddArg4(ptr, idx, val, mem)
  9794  		return true
  9795  	}
  9796  	// match: (MOVDstoreidx (SLLconst [3] idx) ptr val mem)
  9797  	// result: (MOVDstoreidx8 ptr idx val mem)
  9798  	for {
  9799  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 {
  9800  			break
  9801  		}
  9802  		idx := v_0.Args[0]
  9803  		ptr := v_1
  9804  		val := v_2
  9805  		mem := v_3
  9806  		v.reset(OpARM64MOVDstoreidx8)
  9807  		v.AddArg4(ptr, idx, val, mem)
  9808  		return true
  9809  	}
  9810  	// match: (MOVDstoreidx ptr idx (MOVDconst [0]) mem)
  9811  	// result: (MOVDstorezeroidx ptr idx mem)
  9812  	for {
  9813  		ptr := v_0
  9814  		idx := v_1
  9815  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
  9816  			break
  9817  		}
  9818  		mem := v_3
  9819  		v.reset(OpARM64MOVDstorezeroidx)
  9820  		v.AddArg3(ptr, idx, mem)
  9821  		return true
  9822  	}
  9823  	return false
  9824  }
  9825  func rewriteValueARM64_OpARM64MOVDstoreidx8(v *Value) bool {
  9826  	v_3 := v.Args[3]
  9827  	v_2 := v.Args[2]
  9828  	v_1 := v.Args[1]
  9829  	v_0 := v.Args[0]
  9830  	// match: (MOVDstoreidx8 ptr (MOVDconst [c]) val mem)
  9831  	// cond: is32Bit(c<<3)
  9832  	// result: (MOVDstore [int32(c)<<3] ptr val mem)
  9833  	for {
  9834  		ptr := v_0
  9835  		if v_1.Op != OpARM64MOVDconst {
  9836  			break
  9837  		}
  9838  		c := auxIntToInt64(v_1.AuxInt)
  9839  		val := v_2
  9840  		mem := v_3
  9841  		if !(is32Bit(c << 3)) {
  9842  			break
  9843  		}
  9844  		v.reset(OpARM64MOVDstore)
  9845  		v.AuxInt = int32ToAuxInt(int32(c) << 3)
  9846  		v.AddArg3(ptr, val, mem)
  9847  		return true
  9848  	}
  9849  	// match: (MOVDstoreidx8 ptr idx (MOVDconst [0]) mem)
  9850  	// result: (MOVDstorezeroidx8 ptr idx mem)
  9851  	for {
  9852  		ptr := v_0
  9853  		idx := v_1
  9854  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
  9855  			break
  9856  		}
  9857  		mem := v_3
  9858  		v.reset(OpARM64MOVDstorezeroidx8)
  9859  		v.AddArg3(ptr, idx, mem)
  9860  		return true
  9861  	}
  9862  	return false
  9863  }
  9864  func rewriteValueARM64_OpARM64MOVDstorezero(v *Value) bool {
  9865  	v_1 := v.Args[1]
  9866  	v_0 := v.Args[0]
  9867  	b := v.Block
  9868  	config := b.Func.Config
  9869  	// match: (MOVDstorezero {s} [i] ptr x:(MOVDstorezero {s} [i+8] ptr mem))
  9870  	// cond: x.Uses == 1 && setPos(v, x.Pos) && clobber(x)
  9871  	// result: (MOVQstorezero {s} [i] ptr mem)
  9872  	for {
  9873  		i := auxIntToInt32(v.AuxInt)
  9874  		s := auxToSym(v.Aux)
  9875  		ptr := v_0
  9876  		x := v_1
  9877  		if x.Op != OpARM64MOVDstorezero || auxIntToInt32(x.AuxInt) != i+8 || auxToSym(x.Aux) != s {
  9878  			break
  9879  		}
  9880  		mem := x.Args[1]
  9881  		if ptr != x.Args[0] || !(x.Uses == 1 && setPos(v, x.Pos) && clobber(x)) {
  9882  			break
  9883  		}
  9884  		v.reset(OpARM64MOVQstorezero)
  9885  		v.AuxInt = int32ToAuxInt(i)
  9886  		v.Aux = symToAux(s)
  9887  		v.AddArg2(ptr, mem)
  9888  		return true
  9889  	}
  9890  	// match: (MOVDstorezero {s} [i] ptr x:(MOVDstorezero {s} [i-8] ptr mem))
  9891  	// cond: x.Uses == 1 && setPos(v, x.Pos) && clobber(x)
  9892  	// result: (MOVQstorezero {s} [i-8] ptr mem)
  9893  	for {
  9894  		i := auxIntToInt32(v.AuxInt)
  9895  		s := auxToSym(v.Aux)
  9896  		ptr := v_0
  9897  		x := v_1
  9898  		if x.Op != OpARM64MOVDstorezero || auxIntToInt32(x.AuxInt) != i-8 || auxToSym(x.Aux) != s {
  9899  			break
  9900  		}
  9901  		mem := x.Args[1]
  9902  		if ptr != x.Args[0] || !(x.Uses == 1 && setPos(v, x.Pos) && clobber(x)) {
  9903  			break
  9904  		}
  9905  		v.reset(OpARM64MOVQstorezero)
  9906  		v.AuxInt = int32ToAuxInt(i - 8)
  9907  		v.Aux = symToAux(s)
  9908  		v.AddArg2(ptr, mem)
  9909  		return true
  9910  	}
  9911  	// match: (MOVDstorezero [off1] {sym} (ADDconst [off2] ptr) mem)
  9912  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9913  	// result: (MOVDstorezero [off1+int32(off2)] {sym} ptr mem)
  9914  	for {
  9915  		off1 := auxIntToInt32(v.AuxInt)
  9916  		sym := auxToSym(v.Aux)
  9917  		if v_0.Op != OpARM64ADDconst {
  9918  			break
  9919  		}
  9920  		off2 := auxIntToInt64(v_0.AuxInt)
  9921  		ptr := v_0.Args[0]
  9922  		mem := v_1
  9923  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9924  			break
  9925  		}
  9926  		v.reset(OpARM64MOVDstorezero)
  9927  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
  9928  		v.Aux = symToAux(sym)
  9929  		v.AddArg2(ptr, mem)
  9930  		return true
  9931  	}
  9932  	// match: (MOVDstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
  9933  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
  9934  	// result: (MOVDstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
  9935  	for {
  9936  		off1 := auxIntToInt32(v.AuxInt)
  9937  		sym1 := auxToSym(v.Aux)
  9938  		if v_0.Op != OpARM64MOVDaddr {
  9939  			break
  9940  		}
  9941  		off2 := auxIntToInt32(v_0.AuxInt)
  9942  		sym2 := auxToSym(v_0.Aux)
  9943  		ptr := v_0.Args[0]
  9944  		mem := v_1
  9945  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
  9946  			break
  9947  		}
  9948  		v.reset(OpARM64MOVDstorezero)
  9949  		v.AuxInt = int32ToAuxInt(off1 + off2)
  9950  		v.Aux = symToAux(mergeSym(sym1, sym2))
  9951  		v.AddArg2(ptr, mem)
  9952  		return true
  9953  	}
  9954  	// match: (MOVDstorezero [off] {sym} (ADD ptr idx) mem)
  9955  	// cond: off == 0 && sym == nil
  9956  	// result: (MOVDstorezeroidx ptr idx mem)
  9957  	for {
  9958  		off := auxIntToInt32(v.AuxInt)
  9959  		sym := auxToSym(v.Aux)
  9960  		if v_0.Op != OpARM64ADD {
  9961  			break
  9962  		}
  9963  		idx := v_0.Args[1]
  9964  		ptr := v_0.Args[0]
  9965  		mem := v_1
  9966  		if !(off == 0 && sym == nil) {
  9967  			break
  9968  		}
  9969  		v.reset(OpARM64MOVDstorezeroidx)
  9970  		v.AddArg3(ptr, idx, mem)
  9971  		return true
  9972  	}
  9973  	// match: (MOVDstorezero [off] {sym} (ADDshiftLL [3] ptr idx) mem)
  9974  	// cond: off == 0 && sym == nil
  9975  	// result: (MOVDstorezeroidx8 ptr idx mem)
  9976  	for {
  9977  		off := auxIntToInt32(v.AuxInt)
  9978  		sym := auxToSym(v.Aux)
  9979  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 {
  9980  			break
  9981  		}
  9982  		idx := v_0.Args[1]
  9983  		ptr := v_0.Args[0]
  9984  		mem := v_1
  9985  		if !(off == 0 && sym == nil) {
  9986  			break
  9987  		}
  9988  		v.reset(OpARM64MOVDstorezeroidx8)
  9989  		v.AddArg3(ptr, idx, mem)
  9990  		return true
  9991  	}
  9992  	return false
  9993  }
  9994  func rewriteValueARM64_OpARM64MOVDstorezeroidx(v *Value) bool {
  9995  	v_2 := v.Args[2]
  9996  	v_1 := v.Args[1]
  9997  	v_0 := v.Args[0]
  9998  	// match: (MOVDstorezeroidx ptr (MOVDconst [c]) mem)
  9999  	// cond: is32Bit(c)
 10000  	// result: (MOVDstorezero [int32(c)] ptr mem)
 10001  	for {
 10002  		ptr := v_0
 10003  		if v_1.Op != OpARM64MOVDconst {
 10004  			break
 10005  		}
 10006  		c := auxIntToInt64(v_1.AuxInt)
 10007  		mem := v_2
 10008  		if !(is32Bit(c)) {
 10009  			break
 10010  		}
 10011  		v.reset(OpARM64MOVDstorezero)
 10012  		v.AuxInt = int32ToAuxInt(int32(c))
 10013  		v.AddArg2(ptr, mem)
 10014  		return true
 10015  	}
 10016  	// match: (MOVDstorezeroidx (MOVDconst [c]) idx mem)
 10017  	// cond: is32Bit(c)
 10018  	// result: (MOVDstorezero [int32(c)] idx mem)
 10019  	for {
 10020  		if v_0.Op != OpARM64MOVDconst {
 10021  			break
 10022  		}
 10023  		c := auxIntToInt64(v_0.AuxInt)
 10024  		idx := v_1
 10025  		mem := v_2
 10026  		if !(is32Bit(c)) {
 10027  			break
 10028  		}
 10029  		v.reset(OpARM64MOVDstorezero)
 10030  		v.AuxInt = int32ToAuxInt(int32(c))
 10031  		v.AddArg2(idx, mem)
 10032  		return true
 10033  	}
 10034  	// match: (MOVDstorezeroidx ptr (SLLconst [3] idx) mem)
 10035  	// result: (MOVDstorezeroidx8 ptr idx mem)
 10036  	for {
 10037  		ptr := v_0
 10038  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 {
 10039  			break
 10040  		}
 10041  		idx := v_1.Args[0]
 10042  		mem := v_2
 10043  		v.reset(OpARM64MOVDstorezeroidx8)
 10044  		v.AddArg3(ptr, idx, mem)
 10045  		return true
 10046  	}
 10047  	// match: (MOVDstorezeroidx (SLLconst [3] idx) ptr mem)
 10048  	// result: (MOVDstorezeroidx8 ptr idx mem)
 10049  	for {
 10050  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 {
 10051  			break
 10052  		}
 10053  		idx := v_0.Args[0]
 10054  		ptr := v_1
 10055  		mem := v_2
 10056  		v.reset(OpARM64MOVDstorezeroidx8)
 10057  		v.AddArg3(ptr, idx, mem)
 10058  		return true
 10059  	}
 10060  	return false
 10061  }
 10062  func rewriteValueARM64_OpARM64MOVDstorezeroidx8(v *Value) bool {
 10063  	v_2 := v.Args[2]
 10064  	v_1 := v.Args[1]
 10065  	v_0 := v.Args[0]
 10066  	// match: (MOVDstorezeroidx8 ptr (MOVDconst [c]) mem)
 10067  	// cond: is32Bit(c<<3)
 10068  	// result: (MOVDstorezero [int32(c<<3)] ptr mem)
 10069  	for {
 10070  		ptr := v_0
 10071  		if v_1.Op != OpARM64MOVDconst {
 10072  			break
 10073  		}
 10074  		c := auxIntToInt64(v_1.AuxInt)
 10075  		mem := v_2
 10076  		if !(is32Bit(c << 3)) {
 10077  			break
 10078  		}
 10079  		v.reset(OpARM64MOVDstorezero)
 10080  		v.AuxInt = int32ToAuxInt(int32(c << 3))
 10081  		v.AddArg2(ptr, mem)
 10082  		return true
 10083  	}
 10084  	return false
 10085  }
 10086  func rewriteValueARM64_OpARM64MOVHUload(v *Value) bool {
 10087  	v_1 := v.Args[1]
 10088  	v_0 := v.Args[0]
 10089  	b := v.Block
 10090  	config := b.Func.Config
 10091  	// match: (MOVHUload [off1] {sym} (ADDconst [off2] ptr) mem)
 10092  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10093  	// result: (MOVHUload [off1+int32(off2)] {sym} ptr mem)
 10094  	for {
 10095  		off1 := auxIntToInt32(v.AuxInt)
 10096  		sym := auxToSym(v.Aux)
 10097  		if v_0.Op != OpARM64ADDconst {
 10098  			break
 10099  		}
 10100  		off2 := auxIntToInt64(v_0.AuxInt)
 10101  		ptr := v_0.Args[0]
 10102  		mem := v_1
 10103  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10104  			break
 10105  		}
 10106  		v.reset(OpARM64MOVHUload)
 10107  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 10108  		v.Aux = symToAux(sym)
 10109  		v.AddArg2(ptr, mem)
 10110  		return true
 10111  	}
 10112  	// match: (MOVHUload [off] {sym} (ADD ptr idx) mem)
 10113  	// cond: off == 0 && sym == nil
 10114  	// result: (MOVHUloadidx ptr idx mem)
 10115  	for {
 10116  		off := auxIntToInt32(v.AuxInt)
 10117  		sym := auxToSym(v.Aux)
 10118  		if v_0.Op != OpARM64ADD {
 10119  			break
 10120  		}
 10121  		idx := v_0.Args[1]
 10122  		ptr := v_0.Args[0]
 10123  		mem := v_1
 10124  		if !(off == 0 && sym == nil) {
 10125  			break
 10126  		}
 10127  		v.reset(OpARM64MOVHUloadidx)
 10128  		v.AddArg3(ptr, idx, mem)
 10129  		return true
 10130  	}
 10131  	// match: (MOVHUload [off] {sym} (ADDshiftLL [1] ptr idx) mem)
 10132  	// cond: off == 0 && sym == nil
 10133  	// result: (MOVHUloadidx2 ptr idx mem)
 10134  	for {
 10135  		off := auxIntToInt32(v.AuxInt)
 10136  		sym := auxToSym(v.Aux)
 10137  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 {
 10138  			break
 10139  		}
 10140  		idx := v_0.Args[1]
 10141  		ptr := v_0.Args[0]
 10142  		mem := v_1
 10143  		if !(off == 0 && sym == nil) {
 10144  			break
 10145  		}
 10146  		v.reset(OpARM64MOVHUloadidx2)
 10147  		v.AddArg3(ptr, idx, mem)
 10148  		return true
 10149  	}
 10150  	// match: (MOVHUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 10151  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10152  	// result: (MOVHUload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 10153  	for {
 10154  		off1 := auxIntToInt32(v.AuxInt)
 10155  		sym1 := auxToSym(v.Aux)
 10156  		if v_0.Op != OpARM64MOVDaddr {
 10157  			break
 10158  		}
 10159  		off2 := auxIntToInt32(v_0.AuxInt)
 10160  		sym2 := auxToSym(v_0.Aux)
 10161  		ptr := v_0.Args[0]
 10162  		mem := v_1
 10163  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10164  			break
 10165  		}
 10166  		v.reset(OpARM64MOVHUload)
 10167  		v.AuxInt = int32ToAuxInt(off1 + off2)
 10168  		v.Aux = symToAux(mergeSym(sym1, sym2))
 10169  		v.AddArg2(ptr, mem)
 10170  		return true
 10171  	}
 10172  	// match: (MOVHUload [off] {sym} ptr (MOVHstorezero [off2] {sym2} ptr2 _))
 10173  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 10174  	// result: (MOVDconst [0])
 10175  	for {
 10176  		off := auxIntToInt32(v.AuxInt)
 10177  		sym := auxToSym(v.Aux)
 10178  		ptr := v_0
 10179  		if v_1.Op != OpARM64MOVHstorezero {
 10180  			break
 10181  		}
 10182  		off2 := auxIntToInt32(v_1.AuxInt)
 10183  		sym2 := auxToSym(v_1.Aux)
 10184  		ptr2 := v_1.Args[0]
 10185  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 10186  			break
 10187  		}
 10188  		v.reset(OpARM64MOVDconst)
 10189  		v.AuxInt = int64ToAuxInt(0)
 10190  		return true
 10191  	}
 10192  	// match: (MOVHUload [off] {sym} (SB) _)
 10193  	// cond: symIsRO(sym)
 10194  	// result: (MOVDconst [int64(read16(sym, int64(off), config.ctxt.Arch.ByteOrder))])
 10195  	for {
 10196  		off := auxIntToInt32(v.AuxInt)
 10197  		sym := auxToSym(v.Aux)
 10198  		if v_0.Op != OpSB || !(symIsRO(sym)) {
 10199  			break
 10200  		}
 10201  		v.reset(OpARM64MOVDconst)
 10202  		v.AuxInt = int64ToAuxInt(int64(read16(sym, int64(off), config.ctxt.Arch.ByteOrder)))
 10203  		return true
 10204  	}
 10205  	return false
 10206  }
 10207  func rewriteValueARM64_OpARM64MOVHUloadidx(v *Value) bool {
 10208  	v_2 := v.Args[2]
 10209  	v_1 := v.Args[1]
 10210  	v_0 := v.Args[0]
 10211  	// match: (MOVHUloadidx ptr (MOVDconst [c]) mem)
 10212  	// cond: is32Bit(c)
 10213  	// result: (MOVHUload [int32(c)] ptr mem)
 10214  	for {
 10215  		ptr := v_0
 10216  		if v_1.Op != OpARM64MOVDconst {
 10217  			break
 10218  		}
 10219  		c := auxIntToInt64(v_1.AuxInt)
 10220  		mem := v_2
 10221  		if !(is32Bit(c)) {
 10222  			break
 10223  		}
 10224  		v.reset(OpARM64MOVHUload)
 10225  		v.AuxInt = int32ToAuxInt(int32(c))
 10226  		v.AddArg2(ptr, mem)
 10227  		return true
 10228  	}
 10229  	// match: (MOVHUloadidx (MOVDconst [c]) ptr mem)
 10230  	// cond: is32Bit(c)
 10231  	// result: (MOVHUload [int32(c)] ptr mem)
 10232  	for {
 10233  		if v_0.Op != OpARM64MOVDconst {
 10234  			break
 10235  		}
 10236  		c := auxIntToInt64(v_0.AuxInt)
 10237  		ptr := v_1
 10238  		mem := v_2
 10239  		if !(is32Bit(c)) {
 10240  			break
 10241  		}
 10242  		v.reset(OpARM64MOVHUload)
 10243  		v.AuxInt = int32ToAuxInt(int32(c))
 10244  		v.AddArg2(ptr, mem)
 10245  		return true
 10246  	}
 10247  	// match: (MOVHUloadidx ptr (SLLconst [1] idx) mem)
 10248  	// result: (MOVHUloadidx2 ptr idx mem)
 10249  	for {
 10250  		ptr := v_0
 10251  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 1 {
 10252  			break
 10253  		}
 10254  		idx := v_1.Args[0]
 10255  		mem := v_2
 10256  		v.reset(OpARM64MOVHUloadidx2)
 10257  		v.AddArg3(ptr, idx, mem)
 10258  		return true
 10259  	}
 10260  	// match: (MOVHUloadidx ptr (ADD idx idx) mem)
 10261  	// result: (MOVHUloadidx2 ptr idx mem)
 10262  	for {
 10263  		ptr := v_0
 10264  		if v_1.Op != OpARM64ADD {
 10265  			break
 10266  		}
 10267  		idx := v_1.Args[1]
 10268  		if idx != v_1.Args[0] {
 10269  			break
 10270  		}
 10271  		mem := v_2
 10272  		v.reset(OpARM64MOVHUloadidx2)
 10273  		v.AddArg3(ptr, idx, mem)
 10274  		return true
 10275  	}
 10276  	// match: (MOVHUloadidx (ADD idx idx) ptr mem)
 10277  	// result: (MOVHUloadidx2 ptr idx mem)
 10278  	for {
 10279  		if v_0.Op != OpARM64ADD {
 10280  			break
 10281  		}
 10282  		idx := v_0.Args[1]
 10283  		if idx != v_0.Args[0] {
 10284  			break
 10285  		}
 10286  		ptr := v_1
 10287  		mem := v_2
 10288  		v.reset(OpARM64MOVHUloadidx2)
 10289  		v.AddArg3(ptr, idx, mem)
 10290  		return true
 10291  	}
 10292  	// match: (MOVHUloadidx ptr idx (MOVHstorezeroidx ptr2 idx2 _))
 10293  	// cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2))
 10294  	// result: (MOVDconst [0])
 10295  	for {
 10296  		ptr := v_0
 10297  		idx := v_1
 10298  		if v_2.Op != OpARM64MOVHstorezeroidx {
 10299  			break
 10300  		}
 10301  		idx2 := v_2.Args[1]
 10302  		ptr2 := v_2.Args[0]
 10303  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) {
 10304  			break
 10305  		}
 10306  		v.reset(OpARM64MOVDconst)
 10307  		v.AuxInt = int64ToAuxInt(0)
 10308  		return true
 10309  	}
 10310  	return false
 10311  }
 10312  func rewriteValueARM64_OpARM64MOVHUloadidx2(v *Value) bool {
 10313  	v_2 := v.Args[2]
 10314  	v_1 := v.Args[1]
 10315  	v_0 := v.Args[0]
 10316  	// match: (MOVHUloadidx2 ptr (MOVDconst [c]) mem)
 10317  	// cond: is32Bit(c<<1)
 10318  	// result: (MOVHUload [int32(c)<<1] ptr mem)
 10319  	for {
 10320  		ptr := v_0
 10321  		if v_1.Op != OpARM64MOVDconst {
 10322  			break
 10323  		}
 10324  		c := auxIntToInt64(v_1.AuxInt)
 10325  		mem := v_2
 10326  		if !(is32Bit(c << 1)) {
 10327  			break
 10328  		}
 10329  		v.reset(OpARM64MOVHUload)
 10330  		v.AuxInt = int32ToAuxInt(int32(c) << 1)
 10331  		v.AddArg2(ptr, mem)
 10332  		return true
 10333  	}
 10334  	// match: (MOVHUloadidx2 ptr idx (MOVHstorezeroidx2 ptr2 idx2 _))
 10335  	// cond: isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)
 10336  	// result: (MOVDconst [0])
 10337  	for {
 10338  		ptr := v_0
 10339  		idx := v_1
 10340  		if v_2.Op != OpARM64MOVHstorezeroidx2 {
 10341  			break
 10342  		}
 10343  		idx2 := v_2.Args[1]
 10344  		ptr2 := v_2.Args[0]
 10345  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)) {
 10346  			break
 10347  		}
 10348  		v.reset(OpARM64MOVDconst)
 10349  		v.AuxInt = int64ToAuxInt(0)
 10350  		return true
 10351  	}
 10352  	return false
 10353  }
 10354  func rewriteValueARM64_OpARM64MOVHUreg(v *Value) bool {
 10355  	v_0 := v.Args[0]
 10356  	// match: (MOVHUreg x:(MOVBUload _ _))
 10357  	// result: (MOVDreg x)
 10358  	for {
 10359  		x := v_0
 10360  		if x.Op != OpARM64MOVBUload {
 10361  			break
 10362  		}
 10363  		v.reset(OpARM64MOVDreg)
 10364  		v.AddArg(x)
 10365  		return true
 10366  	}
 10367  	// match: (MOVHUreg x:(MOVHUload _ _))
 10368  	// result: (MOVDreg x)
 10369  	for {
 10370  		x := v_0
 10371  		if x.Op != OpARM64MOVHUload {
 10372  			break
 10373  		}
 10374  		v.reset(OpARM64MOVDreg)
 10375  		v.AddArg(x)
 10376  		return true
 10377  	}
 10378  	// match: (MOVHUreg x:(MOVBUloadidx _ _ _))
 10379  	// result: (MOVDreg x)
 10380  	for {
 10381  		x := v_0
 10382  		if x.Op != OpARM64MOVBUloadidx {
 10383  			break
 10384  		}
 10385  		v.reset(OpARM64MOVDreg)
 10386  		v.AddArg(x)
 10387  		return true
 10388  	}
 10389  	// match: (MOVHUreg x:(MOVHUloadidx _ _ _))
 10390  	// result: (MOVDreg x)
 10391  	for {
 10392  		x := v_0
 10393  		if x.Op != OpARM64MOVHUloadidx {
 10394  			break
 10395  		}
 10396  		v.reset(OpARM64MOVDreg)
 10397  		v.AddArg(x)
 10398  		return true
 10399  	}
 10400  	// match: (MOVHUreg x:(MOVHUloadidx2 _ _ _))
 10401  	// result: (MOVDreg x)
 10402  	for {
 10403  		x := v_0
 10404  		if x.Op != OpARM64MOVHUloadidx2 {
 10405  			break
 10406  		}
 10407  		v.reset(OpARM64MOVDreg)
 10408  		v.AddArg(x)
 10409  		return true
 10410  	}
 10411  	// match: (MOVHUreg x:(MOVBUreg _))
 10412  	// result: (MOVDreg x)
 10413  	for {
 10414  		x := v_0
 10415  		if x.Op != OpARM64MOVBUreg {
 10416  			break
 10417  		}
 10418  		v.reset(OpARM64MOVDreg)
 10419  		v.AddArg(x)
 10420  		return true
 10421  	}
 10422  	// match: (MOVHUreg x:(MOVHUreg _))
 10423  	// result: (MOVDreg x)
 10424  	for {
 10425  		x := v_0
 10426  		if x.Op != OpARM64MOVHUreg {
 10427  			break
 10428  		}
 10429  		v.reset(OpARM64MOVDreg)
 10430  		v.AddArg(x)
 10431  		return true
 10432  	}
 10433  	// match: (MOVHUreg (ANDconst [c] x))
 10434  	// result: (ANDconst [c&(1<<16-1)] x)
 10435  	for {
 10436  		if v_0.Op != OpARM64ANDconst {
 10437  			break
 10438  		}
 10439  		c := auxIntToInt64(v_0.AuxInt)
 10440  		x := v_0.Args[0]
 10441  		v.reset(OpARM64ANDconst)
 10442  		v.AuxInt = int64ToAuxInt(c & (1<<16 - 1))
 10443  		v.AddArg(x)
 10444  		return true
 10445  	}
 10446  	// match: (MOVHUreg (MOVDconst [c]))
 10447  	// result: (MOVDconst [int64(uint16(c))])
 10448  	for {
 10449  		if v_0.Op != OpARM64MOVDconst {
 10450  			break
 10451  		}
 10452  		c := auxIntToInt64(v_0.AuxInt)
 10453  		v.reset(OpARM64MOVDconst)
 10454  		v.AuxInt = int64ToAuxInt(int64(uint16(c)))
 10455  		return true
 10456  	}
 10457  	// match: (MOVHUreg x)
 10458  	// cond: v.Type.Size() <= 2
 10459  	// result: x
 10460  	for {
 10461  		x := v_0
 10462  		if !(v.Type.Size() <= 2) {
 10463  			break
 10464  		}
 10465  		v.copyOf(x)
 10466  		return true
 10467  	}
 10468  	// match: (MOVHUreg (SLLconst [lc] x))
 10469  	// cond: lc >= 16
 10470  	// result: (MOVDconst [0])
 10471  	for {
 10472  		if v_0.Op != OpARM64SLLconst {
 10473  			break
 10474  		}
 10475  		lc := auxIntToInt64(v_0.AuxInt)
 10476  		if !(lc >= 16) {
 10477  			break
 10478  		}
 10479  		v.reset(OpARM64MOVDconst)
 10480  		v.AuxInt = int64ToAuxInt(0)
 10481  		return true
 10482  	}
 10483  	// match: (MOVHUreg (SLLconst [lc] x))
 10484  	// cond: lc < 16
 10485  	// result: (UBFIZ [armBFAuxInt(lc, 16-lc)] x)
 10486  	for {
 10487  		if v_0.Op != OpARM64SLLconst {
 10488  			break
 10489  		}
 10490  		lc := auxIntToInt64(v_0.AuxInt)
 10491  		x := v_0.Args[0]
 10492  		if !(lc < 16) {
 10493  			break
 10494  		}
 10495  		v.reset(OpARM64UBFIZ)
 10496  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 16-lc))
 10497  		v.AddArg(x)
 10498  		return true
 10499  	}
 10500  	// match: (MOVHUreg (SRLconst [rc] x))
 10501  	// cond: rc < 16
 10502  	// result: (UBFX [armBFAuxInt(rc, 16)] x)
 10503  	for {
 10504  		if v_0.Op != OpARM64SRLconst {
 10505  			break
 10506  		}
 10507  		rc := auxIntToInt64(v_0.AuxInt)
 10508  		x := v_0.Args[0]
 10509  		if !(rc < 16) {
 10510  			break
 10511  		}
 10512  		v.reset(OpARM64UBFX)
 10513  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 16))
 10514  		v.AddArg(x)
 10515  		return true
 10516  	}
 10517  	// match: (MOVHUreg (UBFX [bfc] x))
 10518  	// cond: bfc.getARM64BFwidth() <= 16
 10519  	// result: (UBFX [bfc] x)
 10520  	for {
 10521  		if v_0.Op != OpARM64UBFX {
 10522  			break
 10523  		}
 10524  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 10525  		x := v_0.Args[0]
 10526  		if !(bfc.getARM64BFwidth() <= 16) {
 10527  			break
 10528  		}
 10529  		v.reset(OpARM64UBFX)
 10530  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 10531  		v.AddArg(x)
 10532  		return true
 10533  	}
 10534  	return false
 10535  }
 10536  func rewriteValueARM64_OpARM64MOVHload(v *Value) bool {
 10537  	v_1 := v.Args[1]
 10538  	v_0 := v.Args[0]
 10539  	b := v.Block
 10540  	config := b.Func.Config
 10541  	// match: (MOVHload [off1] {sym} (ADDconst [off2] ptr) mem)
 10542  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10543  	// result: (MOVHload [off1+int32(off2)] {sym} ptr mem)
 10544  	for {
 10545  		off1 := auxIntToInt32(v.AuxInt)
 10546  		sym := auxToSym(v.Aux)
 10547  		if v_0.Op != OpARM64ADDconst {
 10548  			break
 10549  		}
 10550  		off2 := auxIntToInt64(v_0.AuxInt)
 10551  		ptr := v_0.Args[0]
 10552  		mem := v_1
 10553  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10554  			break
 10555  		}
 10556  		v.reset(OpARM64MOVHload)
 10557  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 10558  		v.Aux = symToAux(sym)
 10559  		v.AddArg2(ptr, mem)
 10560  		return true
 10561  	}
 10562  	// match: (MOVHload [off] {sym} (ADD ptr idx) mem)
 10563  	// cond: off == 0 && sym == nil
 10564  	// result: (MOVHloadidx ptr idx mem)
 10565  	for {
 10566  		off := auxIntToInt32(v.AuxInt)
 10567  		sym := auxToSym(v.Aux)
 10568  		if v_0.Op != OpARM64ADD {
 10569  			break
 10570  		}
 10571  		idx := v_0.Args[1]
 10572  		ptr := v_0.Args[0]
 10573  		mem := v_1
 10574  		if !(off == 0 && sym == nil) {
 10575  			break
 10576  		}
 10577  		v.reset(OpARM64MOVHloadidx)
 10578  		v.AddArg3(ptr, idx, mem)
 10579  		return true
 10580  	}
 10581  	// match: (MOVHload [off] {sym} (ADDshiftLL [1] ptr idx) mem)
 10582  	// cond: off == 0 && sym == nil
 10583  	// result: (MOVHloadidx2 ptr idx mem)
 10584  	for {
 10585  		off := auxIntToInt32(v.AuxInt)
 10586  		sym := auxToSym(v.Aux)
 10587  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 {
 10588  			break
 10589  		}
 10590  		idx := v_0.Args[1]
 10591  		ptr := v_0.Args[0]
 10592  		mem := v_1
 10593  		if !(off == 0 && sym == nil) {
 10594  			break
 10595  		}
 10596  		v.reset(OpARM64MOVHloadidx2)
 10597  		v.AddArg3(ptr, idx, mem)
 10598  		return true
 10599  	}
 10600  	// match: (MOVHload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 10601  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10602  	// result: (MOVHload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 10603  	for {
 10604  		off1 := auxIntToInt32(v.AuxInt)
 10605  		sym1 := auxToSym(v.Aux)
 10606  		if v_0.Op != OpARM64MOVDaddr {
 10607  			break
 10608  		}
 10609  		off2 := auxIntToInt32(v_0.AuxInt)
 10610  		sym2 := auxToSym(v_0.Aux)
 10611  		ptr := v_0.Args[0]
 10612  		mem := v_1
 10613  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 10614  			break
 10615  		}
 10616  		v.reset(OpARM64MOVHload)
 10617  		v.AuxInt = int32ToAuxInt(off1 + off2)
 10618  		v.Aux = symToAux(mergeSym(sym1, sym2))
 10619  		v.AddArg2(ptr, mem)
 10620  		return true
 10621  	}
 10622  	// match: (MOVHload [off] {sym} ptr (MOVHstorezero [off2] {sym2} ptr2 _))
 10623  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 10624  	// result: (MOVDconst [0])
 10625  	for {
 10626  		off := auxIntToInt32(v.AuxInt)
 10627  		sym := auxToSym(v.Aux)
 10628  		ptr := v_0
 10629  		if v_1.Op != OpARM64MOVHstorezero {
 10630  			break
 10631  		}
 10632  		off2 := auxIntToInt32(v_1.AuxInt)
 10633  		sym2 := auxToSym(v_1.Aux)
 10634  		ptr2 := v_1.Args[0]
 10635  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 10636  			break
 10637  		}
 10638  		v.reset(OpARM64MOVDconst)
 10639  		v.AuxInt = int64ToAuxInt(0)
 10640  		return true
 10641  	}
 10642  	return false
 10643  }
 10644  func rewriteValueARM64_OpARM64MOVHloadidx(v *Value) bool {
 10645  	v_2 := v.Args[2]
 10646  	v_1 := v.Args[1]
 10647  	v_0 := v.Args[0]
 10648  	// match: (MOVHloadidx ptr (MOVDconst [c]) mem)
 10649  	// cond: is32Bit(c)
 10650  	// result: (MOVHload [int32(c)] ptr mem)
 10651  	for {
 10652  		ptr := v_0
 10653  		if v_1.Op != OpARM64MOVDconst {
 10654  			break
 10655  		}
 10656  		c := auxIntToInt64(v_1.AuxInt)
 10657  		mem := v_2
 10658  		if !(is32Bit(c)) {
 10659  			break
 10660  		}
 10661  		v.reset(OpARM64MOVHload)
 10662  		v.AuxInt = int32ToAuxInt(int32(c))
 10663  		v.AddArg2(ptr, mem)
 10664  		return true
 10665  	}
 10666  	// match: (MOVHloadidx (MOVDconst [c]) ptr mem)
 10667  	// cond: is32Bit(c)
 10668  	// result: (MOVHload [int32(c)] ptr mem)
 10669  	for {
 10670  		if v_0.Op != OpARM64MOVDconst {
 10671  			break
 10672  		}
 10673  		c := auxIntToInt64(v_0.AuxInt)
 10674  		ptr := v_1
 10675  		mem := v_2
 10676  		if !(is32Bit(c)) {
 10677  			break
 10678  		}
 10679  		v.reset(OpARM64MOVHload)
 10680  		v.AuxInt = int32ToAuxInt(int32(c))
 10681  		v.AddArg2(ptr, mem)
 10682  		return true
 10683  	}
 10684  	// match: (MOVHloadidx ptr (SLLconst [1] idx) mem)
 10685  	// result: (MOVHloadidx2 ptr idx mem)
 10686  	for {
 10687  		ptr := v_0
 10688  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 1 {
 10689  			break
 10690  		}
 10691  		idx := v_1.Args[0]
 10692  		mem := v_2
 10693  		v.reset(OpARM64MOVHloadidx2)
 10694  		v.AddArg3(ptr, idx, mem)
 10695  		return true
 10696  	}
 10697  	// match: (MOVHloadidx ptr (ADD idx idx) mem)
 10698  	// result: (MOVHloadidx2 ptr idx mem)
 10699  	for {
 10700  		ptr := v_0
 10701  		if v_1.Op != OpARM64ADD {
 10702  			break
 10703  		}
 10704  		idx := v_1.Args[1]
 10705  		if idx != v_1.Args[0] {
 10706  			break
 10707  		}
 10708  		mem := v_2
 10709  		v.reset(OpARM64MOVHloadidx2)
 10710  		v.AddArg3(ptr, idx, mem)
 10711  		return true
 10712  	}
 10713  	// match: (MOVHloadidx (ADD idx idx) ptr mem)
 10714  	// result: (MOVHloadidx2 ptr idx mem)
 10715  	for {
 10716  		if v_0.Op != OpARM64ADD {
 10717  			break
 10718  		}
 10719  		idx := v_0.Args[1]
 10720  		if idx != v_0.Args[0] {
 10721  			break
 10722  		}
 10723  		ptr := v_1
 10724  		mem := v_2
 10725  		v.reset(OpARM64MOVHloadidx2)
 10726  		v.AddArg3(ptr, idx, mem)
 10727  		return true
 10728  	}
 10729  	// match: (MOVHloadidx ptr idx (MOVHstorezeroidx ptr2 idx2 _))
 10730  	// cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2))
 10731  	// result: (MOVDconst [0])
 10732  	for {
 10733  		ptr := v_0
 10734  		idx := v_1
 10735  		if v_2.Op != OpARM64MOVHstorezeroidx {
 10736  			break
 10737  		}
 10738  		idx2 := v_2.Args[1]
 10739  		ptr2 := v_2.Args[0]
 10740  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) {
 10741  			break
 10742  		}
 10743  		v.reset(OpARM64MOVDconst)
 10744  		v.AuxInt = int64ToAuxInt(0)
 10745  		return true
 10746  	}
 10747  	return false
 10748  }
 10749  func rewriteValueARM64_OpARM64MOVHloadidx2(v *Value) bool {
 10750  	v_2 := v.Args[2]
 10751  	v_1 := v.Args[1]
 10752  	v_0 := v.Args[0]
 10753  	// match: (MOVHloadidx2 ptr (MOVDconst [c]) mem)
 10754  	// cond: is32Bit(c<<1)
 10755  	// result: (MOVHload [int32(c)<<1] ptr mem)
 10756  	for {
 10757  		ptr := v_0
 10758  		if v_1.Op != OpARM64MOVDconst {
 10759  			break
 10760  		}
 10761  		c := auxIntToInt64(v_1.AuxInt)
 10762  		mem := v_2
 10763  		if !(is32Bit(c << 1)) {
 10764  			break
 10765  		}
 10766  		v.reset(OpARM64MOVHload)
 10767  		v.AuxInt = int32ToAuxInt(int32(c) << 1)
 10768  		v.AddArg2(ptr, mem)
 10769  		return true
 10770  	}
 10771  	// match: (MOVHloadidx2 ptr idx (MOVHstorezeroidx2 ptr2 idx2 _))
 10772  	// cond: isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)
 10773  	// result: (MOVDconst [0])
 10774  	for {
 10775  		ptr := v_0
 10776  		idx := v_1
 10777  		if v_2.Op != OpARM64MOVHstorezeroidx2 {
 10778  			break
 10779  		}
 10780  		idx2 := v_2.Args[1]
 10781  		ptr2 := v_2.Args[0]
 10782  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)) {
 10783  			break
 10784  		}
 10785  		v.reset(OpARM64MOVDconst)
 10786  		v.AuxInt = int64ToAuxInt(0)
 10787  		return true
 10788  	}
 10789  	return false
 10790  }
 10791  func rewriteValueARM64_OpARM64MOVHreg(v *Value) bool {
 10792  	v_0 := v.Args[0]
 10793  	// match: (MOVHreg x:(MOVBload _ _))
 10794  	// result: (MOVDreg x)
 10795  	for {
 10796  		x := v_0
 10797  		if x.Op != OpARM64MOVBload {
 10798  			break
 10799  		}
 10800  		v.reset(OpARM64MOVDreg)
 10801  		v.AddArg(x)
 10802  		return true
 10803  	}
 10804  	// match: (MOVHreg x:(MOVBUload _ _))
 10805  	// result: (MOVDreg x)
 10806  	for {
 10807  		x := v_0
 10808  		if x.Op != OpARM64MOVBUload {
 10809  			break
 10810  		}
 10811  		v.reset(OpARM64MOVDreg)
 10812  		v.AddArg(x)
 10813  		return true
 10814  	}
 10815  	// match: (MOVHreg x:(MOVHload _ _))
 10816  	// result: (MOVDreg x)
 10817  	for {
 10818  		x := v_0
 10819  		if x.Op != OpARM64MOVHload {
 10820  			break
 10821  		}
 10822  		v.reset(OpARM64MOVDreg)
 10823  		v.AddArg(x)
 10824  		return true
 10825  	}
 10826  	// match: (MOVHreg x:(MOVBloadidx _ _ _))
 10827  	// result: (MOVDreg x)
 10828  	for {
 10829  		x := v_0
 10830  		if x.Op != OpARM64MOVBloadidx {
 10831  			break
 10832  		}
 10833  		v.reset(OpARM64MOVDreg)
 10834  		v.AddArg(x)
 10835  		return true
 10836  	}
 10837  	// match: (MOVHreg x:(MOVBUloadidx _ _ _))
 10838  	// result: (MOVDreg x)
 10839  	for {
 10840  		x := v_0
 10841  		if x.Op != OpARM64MOVBUloadidx {
 10842  			break
 10843  		}
 10844  		v.reset(OpARM64MOVDreg)
 10845  		v.AddArg(x)
 10846  		return true
 10847  	}
 10848  	// match: (MOVHreg x:(MOVHloadidx _ _ _))
 10849  	// result: (MOVDreg x)
 10850  	for {
 10851  		x := v_0
 10852  		if x.Op != OpARM64MOVHloadidx {
 10853  			break
 10854  		}
 10855  		v.reset(OpARM64MOVDreg)
 10856  		v.AddArg(x)
 10857  		return true
 10858  	}
 10859  	// match: (MOVHreg x:(MOVHloadidx2 _ _ _))
 10860  	// result: (MOVDreg x)
 10861  	for {
 10862  		x := v_0
 10863  		if x.Op != OpARM64MOVHloadidx2 {
 10864  			break
 10865  		}
 10866  		v.reset(OpARM64MOVDreg)
 10867  		v.AddArg(x)
 10868  		return true
 10869  	}
 10870  	// match: (MOVHreg x:(MOVBreg _))
 10871  	// result: (MOVDreg x)
 10872  	for {
 10873  		x := v_0
 10874  		if x.Op != OpARM64MOVBreg {
 10875  			break
 10876  		}
 10877  		v.reset(OpARM64MOVDreg)
 10878  		v.AddArg(x)
 10879  		return true
 10880  	}
 10881  	// match: (MOVHreg x:(MOVBUreg _))
 10882  	// result: (MOVDreg x)
 10883  	for {
 10884  		x := v_0
 10885  		if x.Op != OpARM64MOVBUreg {
 10886  			break
 10887  		}
 10888  		v.reset(OpARM64MOVDreg)
 10889  		v.AddArg(x)
 10890  		return true
 10891  	}
 10892  	// match: (MOVHreg x:(MOVHreg _))
 10893  	// result: (MOVDreg x)
 10894  	for {
 10895  		x := v_0
 10896  		if x.Op != OpARM64MOVHreg {
 10897  			break
 10898  		}
 10899  		v.reset(OpARM64MOVDreg)
 10900  		v.AddArg(x)
 10901  		return true
 10902  	}
 10903  	// match: (MOVHreg (MOVDconst [c]))
 10904  	// result: (MOVDconst [int64(int16(c))])
 10905  	for {
 10906  		if v_0.Op != OpARM64MOVDconst {
 10907  			break
 10908  		}
 10909  		c := auxIntToInt64(v_0.AuxInt)
 10910  		v.reset(OpARM64MOVDconst)
 10911  		v.AuxInt = int64ToAuxInt(int64(int16(c)))
 10912  		return true
 10913  	}
 10914  	// match: (MOVHreg x)
 10915  	// cond: v.Type.Size() <= 2
 10916  	// result: x
 10917  	for {
 10918  		x := v_0
 10919  		if !(v.Type.Size() <= 2) {
 10920  			break
 10921  		}
 10922  		v.copyOf(x)
 10923  		return true
 10924  	}
 10925  	// match: (MOVHreg <t> (ANDconst x [c]))
 10926  	// cond: uint64(c) & uint64(0xffffffffffff8000) == 0
 10927  	// result: (ANDconst <t> x [c])
 10928  	for {
 10929  		t := v.Type
 10930  		if v_0.Op != OpARM64ANDconst {
 10931  			break
 10932  		}
 10933  		c := auxIntToInt64(v_0.AuxInt)
 10934  		x := v_0.Args[0]
 10935  		if !(uint64(c)&uint64(0xffffffffffff8000) == 0) {
 10936  			break
 10937  		}
 10938  		v.reset(OpARM64ANDconst)
 10939  		v.Type = t
 10940  		v.AuxInt = int64ToAuxInt(c)
 10941  		v.AddArg(x)
 10942  		return true
 10943  	}
 10944  	// match: (MOVHreg (SLLconst [lc] x))
 10945  	// cond: lc < 16
 10946  	// result: (SBFIZ [armBFAuxInt(lc, 16-lc)] x)
 10947  	for {
 10948  		if v_0.Op != OpARM64SLLconst {
 10949  			break
 10950  		}
 10951  		lc := auxIntToInt64(v_0.AuxInt)
 10952  		x := v_0.Args[0]
 10953  		if !(lc < 16) {
 10954  			break
 10955  		}
 10956  		v.reset(OpARM64SBFIZ)
 10957  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 16-lc))
 10958  		v.AddArg(x)
 10959  		return true
 10960  	}
 10961  	// match: (MOVHreg (SBFX [bfc] x))
 10962  	// cond: bfc.getARM64BFwidth() <= 16
 10963  	// result: (SBFX [bfc] x)
 10964  	for {
 10965  		if v_0.Op != OpARM64SBFX {
 10966  			break
 10967  		}
 10968  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 10969  		x := v_0.Args[0]
 10970  		if !(bfc.getARM64BFwidth() <= 16) {
 10971  			break
 10972  		}
 10973  		v.reset(OpARM64SBFX)
 10974  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 10975  		v.AddArg(x)
 10976  		return true
 10977  	}
 10978  	return false
 10979  }
 10980  func rewriteValueARM64_OpARM64MOVHstore(v *Value) bool {
 10981  	v_2 := v.Args[2]
 10982  	v_1 := v.Args[1]
 10983  	v_0 := v.Args[0]
 10984  	b := v.Block
 10985  	config := b.Func.Config
 10986  	// match: (MOVHstore [off1] {sym} (ADDconst [off2] ptr) val mem)
 10987  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 10988  	// result: (MOVHstore [off1+int32(off2)] {sym} ptr val mem)
 10989  	for {
 10990  		off1 := auxIntToInt32(v.AuxInt)
 10991  		sym := auxToSym(v.Aux)
 10992  		if v_0.Op != OpARM64ADDconst {
 10993  			break
 10994  		}
 10995  		off2 := auxIntToInt64(v_0.AuxInt)
 10996  		ptr := v_0.Args[0]
 10997  		val := v_1
 10998  		mem := v_2
 10999  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11000  			break
 11001  		}
 11002  		v.reset(OpARM64MOVHstore)
 11003  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 11004  		v.Aux = symToAux(sym)
 11005  		v.AddArg3(ptr, val, mem)
 11006  		return true
 11007  	}
 11008  	// match: (MOVHstore [off] {sym} (ADD ptr idx) val mem)
 11009  	// cond: off == 0 && sym == nil
 11010  	// result: (MOVHstoreidx ptr idx val mem)
 11011  	for {
 11012  		off := auxIntToInt32(v.AuxInt)
 11013  		sym := auxToSym(v.Aux)
 11014  		if v_0.Op != OpARM64ADD {
 11015  			break
 11016  		}
 11017  		idx := v_0.Args[1]
 11018  		ptr := v_0.Args[0]
 11019  		val := v_1
 11020  		mem := v_2
 11021  		if !(off == 0 && sym == nil) {
 11022  			break
 11023  		}
 11024  		v.reset(OpARM64MOVHstoreidx)
 11025  		v.AddArg4(ptr, idx, val, mem)
 11026  		return true
 11027  	}
 11028  	// match: (MOVHstore [off] {sym} (ADDshiftLL [1] ptr idx) val mem)
 11029  	// cond: off == 0 && sym == nil
 11030  	// result: (MOVHstoreidx2 ptr idx val mem)
 11031  	for {
 11032  		off := auxIntToInt32(v.AuxInt)
 11033  		sym := auxToSym(v.Aux)
 11034  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 {
 11035  			break
 11036  		}
 11037  		idx := v_0.Args[1]
 11038  		ptr := v_0.Args[0]
 11039  		val := v_1
 11040  		mem := v_2
 11041  		if !(off == 0 && sym == nil) {
 11042  			break
 11043  		}
 11044  		v.reset(OpARM64MOVHstoreidx2)
 11045  		v.AddArg4(ptr, idx, val, mem)
 11046  		return true
 11047  	}
 11048  	// match: (MOVHstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
 11049  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11050  	// result: (MOVHstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
 11051  	for {
 11052  		off1 := auxIntToInt32(v.AuxInt)
 11053  		sym1 := auxToSym(v.Aux)
 11054  		if v_0.Op != OpARM64MOVDaddr {
 11055  			break
 11056  		}
 11057  		off2 := auxIntToInt32(v_0.AuxInt)
 11058  		sym2 := auxToSym(v_0.Aux)
 11059  		ptr := v_0.Args[0]
 11060  		val := v_1
 11061  		mem := v_2
 11062  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11063  			break
 11064  		}
 11065  		v.reset(OpARM64MOVHstore)
 11066  		v.AuxInt = int32ToAuxInt(off1 + off2)
 11067  		v.Aux = symToAux(mergeSym(sym1, sym2))
 11068  		v.AddArg3(ptr, val, mem)
 11069  		return true
 11070  	}
 11071  	// match: (MOVHstore [off] {sym} ptr (MOVDconst [0]) mem)
 11072  	// result: (MOVHstorezero [off] {sym} ptr mem)
 11073  	for {
 11074  		off := auxIntToInt32(v.AuxInt)
 11075  		sym := auxToSym(v.Aux)
 11076  		ptr := v_0
 11077  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
 11078  			break
 11079  		}
 11080  		mem := v_2
 11081  		v.reset(OpARM64MOVHstorezero)
 11082  		v.AuxInt = int32ToAuxInt(off)
 11083  		v.Aux = symToAux(sym)
 11084  		v.AddArg2(ptr, mem)
 11085  		return true
 11086  	}
 11087  	// match: (MOVHstore [off] {sym} ptr (MOVHreg x) mem)
 11088  	// result: (MOVHstore [off] {sym} ptr x mem)
 11089  	for {
 11090  		off := auxIntToInt32(v.AuxInt)
 11091  		sym := auxToSym(v.Aux)
 11092  		ptr := v_0
 11093  		if v_1.Op != OpARM64MOVHreg {
 11094  			break
 11095  		}
 11096  		x := v_1.Args[0]
 11097  		mem := v_2
 11098  		v.reset(OpARM64MOVHstore)
 11099  		v.AuxInt = int32ToAuxInt(off)
 11100  		v.Aux = symToAux(sym)
 11101  		v.AddArg3(ptr, x, mem)
 11102  		return true
 11103  	}
 11104  	// match: (MOVHstore [off] {sym} ptr (MOVHUreg x) mem)
 11105  	// result: (MOVHstore [off] {sym} ptr x mem)
 11106  	for {
 11107  		off := auxIntToInt32(v.AuxInt)
 11108  		sym := auxToSym(v.Aux)
 11109  		ptr := v_0
 11110  		if v_1.Op != OpARM64MOVHUreg {
 11111  			break
 11112  		}
 11113  		x := v_1.Args[0]
 11114  		mem := v_2
 11115  		v.reset(OpARM64MOVHstore)
 11116  		v.AuxInt = int32ToAuxInt(off)
 11117  		v.Aux = symToAux(sym)
 11118  		v.AddArg3(ptr, x, mem)
 11119  		return true
 11120  	}
 11121  	// match: (MOVHstore [off] {sym} ptr (MOVWreg x) mem)
 11122  	// result: (MOVHstore [off] {sym} ptr x mem)
 11123  	for {
 11124  		off := auxIntToInt32(v.AuxInt)
 11125  		sym := auxToSym(v.Aux)
 11126  		ptr := v_0
 11127  		if v_1.Op != OpARM64MOVWreg {
 11128  			break
 11129  		}
 11130  		x := v_1.Args[0]
 11131  		mem := v_2
 11132  		v.reset(OpARM64MOVHstore)
 11133  		v.AuxInt = int32ToAuxInt(off)
 11134  		v.Aux = symToAux(sym)
 11135  		v.AddArg3(ptr, x, mem)
 11136  		return true
 11137  	}
 11138  	// match: (MOVHstore [off] {sym} ptr (MOVWUreg x) mem)
 11139  	// result: (MOVHstore [off] {sym} ptr x mem)
 11140  	for {
 11141  		off := auxIntToInt32(v.AuxInt)
 11142  		sym := auxToSym(v.Aux)
 11143  		ptr := v_0
 11144  		if v_1.Op != OpARM64MOVWUreg {
 11145  			break
 11146  		}
 11147  		x := v_1.Args[0]
 11148  		mem := v_2
 11149  		v.reset(OpARM64MOVHstore)
 11150  		v.AuxInt = int32ToAuxInt(off)
 11151  		v.Aux = symToAux(sym)
 11152  		v.AddArg3(ptr, x, mem)
 11153  		return true
 11154  	}
 11155  	return false
 11156  }
 11157  func rewriteValueARM64_OpARM64MOVHstoreidx(v *Value) bool {
 11158  	v_3 := v.Args[3]
 11159  	v_2 := v.Args[2]
 11160  	v_1 := v.Args[1]
 11161  	v_0 := v.Args[0]
 11162  	// match: (MOVHstoreidx ptr (MOVDconst [c]) val mem)
 11163  	// cond: is32Bit(c)
 11164  	// result: (MOVHstore [int32(c)] ptr val mem)
 11165  	for {
 11166  		ptr := v_0
 11167  		if v_1.Op != OpARM64MOVDconst {
 11168  			break
 11169  		}
 11170  		c := auxIntToInt64(v_1.AuxInt)
 11171  		val := v_2
 11172  		mem := v_3
 11173  		if !(is32Bit(c)) {
 11174  			break
 11175  		}
 11176  		v.reset(OpARM64MOVHstore)
 11177  		v.AuxInt = int32ToAuxInt(int32(c))
 11178  		v.AddArg3(ptr, val, mem)
 11179  		return true
 11180  	}
 11181  	// match: (MOVHstoreidx (MOVDconst [c]) idx val mem)
 11182  	// cond: is32Bit(c)
 11183  	// result: (MOVHstore [int32(c)] idx val mem)
 11184  	for {
 11185  		if v_0.Op != OpARM64MOVDconst {
 11186  			break
 11187  		}
 11188  		c := auxIntToInt64(v_0.AuxInt)
 11189  		idx := v_1
 11190  		val := v_2
 11191  		mem := v_3
 11192  		if !(is32Bit(c)) {
 11193  			break
 11194  		}
 11195  		v.reset(OpARM64MOVHstore)
 11196  		v.AuxInt = int32ToAuxInt(int32(c))
 11197  		v.AddArg3(idx, val, mem)
 11198  		return true
 11199  	}
 11200  	// match: (MOVHstoreidx ptr (SLLconst [1] idx) val mem)
 11201  	// result: (MOVHstoreidx2 ptr idx val mem)
 11202  	for {
 11203  		ptr := v_0
 11204  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 1 {
 11205  			break
 11206  		}
 11207  		idx := v_1.Args[0]
 11208  		val := v_2
 11209  		mem := v_3
 11210  		v.reset(OpARM64MOVHstoreidx2)
 11211  		v.AddArg4(ptr, idx, val, mem)
 11212  		return true
 11213  	}
 11214  	// match: (MOVHstoreidx ptr (ADD idx idx) val mem)
 11215  	// result: (MOVHstoreidx2 ptr idx val mem)
 11216  	for {
 11217  		ptr := v_0
 11218  		if v_1.Op != OpARM64ADD {
 11219  			break
 11220  		}
 11221  		idx := v_1.Args[1]
 11222  		if idx != v_1.Args[0] {
 11223  			break
 11224  		}
 11225  		val := v_2
 11226  		mem := v_3
 11227  		v.reset(OpARM64MOVHstoreidx2)
 11228  		v.AddArg4(ptr, idx, val, mem)
 11229  		return true
 11230  	}
 11231  	// match: (MOVHstoreidx (SLLconst [1] idx) ptr val mem)
 11232  	// result: (MOVHstoreidx2 ptr idx val mem)
 11233  	for {
 11234  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 1 {
 11235  			break
 11236  		}
 11237  		idx := v_0.Args[0]
 11238  		ptr := v_1
 11239  		val := v_2
 11240  		mem := v_3
 11241  		v.reset(OpARM64MOVHstoreidx2)
 11242  		v.AddArg4(ptr, idx, val, mem)
 11243  		return true
 11244  	}
 11245  	// match: (MOVHstoreidx (ADD idx idx) ptr val mem)
 11246  	// result: (MOVHstoreidx2 ptr idx val mem)
 11247  	for {
 11248  		if v_0.Op != OpARM64ADD {
 11249  			break
 11250  		}
 11251  		idx := v_0.Args[1]
 11252  		if idx != v_0.Args[0] {
 11253  			break
 11254  		}
 11255  		ptr := v_1
 11256  		val := v_2
 11257  		mem := v_3
 11258  		v.reset(OpARM64MOVHstoreidx2)
 11259  		v.AddArg4(ptr, idx, val, mem)
 11260  		return true
 11261  	}
 11262  	// match: (MOVHstoreidx ptr idx (MOVDconst [0]) mem)
 11263  	// result: (MOVHstorezeroidx ptr idx mem)
 11264  	for {
 11265  		ptr := v_0
 11266  		idx := v_1
 11267  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
 11268  			break
 11269  		}
 11270  		mem := v_3
 11271  		v.reset(OpARM64MOVHstorezeroidx)
 11272  		v.AddArg3(ptr, idx, mem)
 11273  		return true
 11274  	}
 11275  	// match: (MOVHstoreidx ptr idx (MOVHreg x) mem)
 11276  	// result: (MOVHstoreidx ptr idx x mem)
 11277  	for {
 11278  		ptr := v_0
 11279  		idx := v_1
 11280  		if v_2.Op != OpARM64MOVHreg {
 11281  			break
 11282  		}
 11283  		x := v_2.Args[0]
 11284  		mem := v_3
 11285  		v.reset(OpARM64MOVHstoreidx)
 11286  		v.AddArg4(ptr, idx, x, mem)
 11287  		return true
 11288  	}
 11289  	// match: (MOVHstoreidx ptr idx (MOVHUreg x) mem)
 11290  	// result: (MOVHstoreidx ptr idx x mem)
 11291  	for {
 11292  		ptr := v_0
 11293  		idx := v_1
 11294  		if v_2.Op != OpARM64MOVHUreg {
 11295  			break
 11296  		}
 11297  		x := v_2.Args[0]
 11298  		mem := v_3
 11299  		v.reset(OpARM64MOVHstoreidx)
 11300  		v.AddArg4(ptr, idx, x, mem)
 11301  		return true
 11302  	}
 11303  	// match: (MOVHstoreidx ptr idx (MOVWreg x) mem)
 11304  	// result: (MOVHstoreidx ptr idx x mem)
 11305  	for {
 11306  		ptr := v_0
 11307  		idx := v_1
 11308  		if v_2.Op != OpARM64MOVWreg {
 11309  			break
 11310  		}
 11311  		x := v_2.Args[0]
 11312  		mem := v_3
 11313  		v.reset(OpARM64MOVHstoreidx)
 11314  		v.AddArg4(ptr, idx, x, mem)
 11315  		return true
 11316  	}
 11317  	// match: (MOVHstoreidx ptr idx (MOVWUreg x) mem)
 11318  	// result: (MOVHstoreidx ptr idx x mem)
 11319  	for {
 11320  		ptr := v_0
 11321  		idx := v_1
 11322  		if v_2.Op != OpARM64MOVWUreg {
 11323  			break
 11324  		}
 11325  		x := v_2.Args[0]
 11326  		mem := v_3
 11327  		v.reset(OpARM64MOVHstoreidx)
 11328  		v.AddArg4(ptr, idx, x, mem)
 11329  		return true
 11330  	}
 11331  	return false
 11332  }
 11333  func rewriteValueARM64_OpARM64MOVHstoreidx2(v *Value) bool {
 11334  	v_3 := v.Args[3]
 11335  	v_2 := v.Args[2]
 11336  	v_1 := v.Args[1]
 11337  	v_0 := v.Args[0]
 11338  	// match: (MOVHstoreidx2 ptr (MOVDconst [c]) val mem)
 11339  	// cond: is32Bit(c<<1)
 11340  	// result: (MOVHstore [int32(c)<<1] ptr val mem)
 11341  	for {
 11342  		ptr := v_0
 11343  		if v_1.Op != OpARM64MOVDconst {
 11344  			break
 11345  		}
 11346  		c := auxIntToInt64(v_1.AuxInt)
 11347  		val := v_2
 11348  		mem := v_3
 11349  		if !(is32Bit(c << 1)) {
 11350  			break
 11351  		}
 11352  		v.reset(OpARM64MOVHstore)
 11353  		v.AuxInt = int32ToAuxInt(int32(c) << 1)
 11354  		v.AddArg3(ptr, val, mem)
 11355  		return true
 11356  	}
 11357  	// match: (MOVHstoreidx2 ptr idx (MOVDconst [0]) mem)
 11358  	// result: (MOVHstorezeroidx2 ptr idx mem)
 11359  	for {
 11360  		ptr := v_0
 11361  		idx := v_1
 11362  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
 11363  			break
 11364  		}
 11365  		mem := v_3
 11366  		v.reset(OpARM64MOVHstorezeroidx2)
 11367  		v.AddArg3(ptr, idx, mem)
 11368  		return true
 11369  	}
 11370  	// match: (MOVHstoreidx2 ptr idx (MOVHreg x) mem)
 11371  	// result: (MOVHstoreidx2 ptr idx x mem)
 11372  	for {
 11373  		ptr := v_0
 11374  		idx := v_1
 11375  		if v_2.Op != OpARM64MOVHreg {
 11376  			break
 11377  		}
 11378  		x := v_2.Args[0]
 11379  		mem := v_3
 11380  		v.reset(OpARM64MOVHstoreidx2)
 11381  		v.AddArg4(ptr, idx, x, mem)
 11382  		return true
 11383  	}
 11384  	// match: (MOVHstoreidx2 ptr idx (MOVHUreg x) mem)
 11385  	// result: (MOVHstoreidx2 ptr idx x mem)
 11386  	for {
 11387  		ptr := v_0
 11388  		idx := v_1
 11389  		if v_2.Op != OpARM64MOVHUreg {
 11390  			break
 11391  		}
 11392  		x := v_2.Args[0]
 11393  		mem := v_3
 11394  		v.reset(OpARM64MOVHstoreidx2)
 11395  		v.AddArg4(ptr, idx, x, mem)
 11396  		return true
 11397  	}
 11398  	// match: (MOVHstoreidx2 ptr idx (MOVWreg x) mem)
 11399  	// result: (MOVHstoreidx2 ptr idx x mem)
 11400  	for {
 11401  		ptr := v_0
 11402  		idx := v_1
 11403  		if v_2.Op != OpARM64MOVWreg {
 11404  			break
 11405  		}
 11406  		x := v_2.Args[0]
 11407  		mem := v_3
 11408  		v.reset(OpARM64MOVHstoreidx2)
 11409  		v.AddArg4(ptr, idx, x, mem)
 11410  		return true
 11411  	}
 11412  	// match: (MOVHstoreidx2 ptr idx (MOVWUreg x) mem)
 11413  	// result: (MOVHstoreidx2 ptr idx x mem)
 11414  	for {
 11415  		ptr := v_0
 11416  		idx := v_1
 11417  		if v_2.Op != OpARM64MOVWUreg {
 11418  			break
 11419  		}
 11420  		x := v_2.Args[0]
 11421  		mem := v_3
 11422  		v.reset(OpARM64MOVHstoreidx2)
 11423  		v.AddArg4(ptr, idx, x, mem)
 11424  		return true
 11425  	}
 11426  	return false
 11427  }
 11428  func rewriteValueARM64_OpARM64MOVHstorezero(v *Value) bool {
 11429  	v_1 := v.Args[1]
 11430  	v_0 := v.Args[0]
 11431  	b := v.Block
 11432  	config := b.Func.Config
 11433  	// match: (MOVHstorezero [off1] {sym} (ADDconst [off2] ptr) mem)
 11434  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11435  	// result: (MOVHstorezero [off1+int32(off2)] {sym} ptr mem)
 11436  	for {
 11437  		off1 := auxIntToInt32(v.AuxInt)
 11438  		sym := auxToSym(v.Aux)
 11439  		if v_0.Op != OpARM64ADDconst {
 11440  			break
 11441  		}
 11442  		off2 := auxIntToInt64(v_0.AuxInt)
 11443  		ptr := v_0.Args[0]
 11444  		mem := v_1
 11445  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11446  			break
 11447  		}
 11448  		v.reset(OpARM64MOVHstorezero)
 11449  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 11450  		v.Aux = symToAux(sym)
 11451  		v.AddArg2(ptr, mem)
 11452  		return true
 11453  	}
 11454  	// match: (MOVHstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 11455  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11456  	// result: (MOVHstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 11457  	for {
 11458  		off1 := auxIntToInt32(v.AuxInt)
 11459  		sym1 := auxToSym(v.Aux)
 11460  		if v_0.Op != OpARM64MOVDaddr {
 11461  			break
 11462  		}
 11463  		off2 := auxIntToInt32(v_0.AuxInt)
 11464  		sym2 := auxToSym(v_0.Aux)
 11465  		ptr := v_0.Args[0]
 11466  		mem := v_1
 11467  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11468  			break
 11469  		}
 11470  		v.reset(OpARM64MOVHstorezero)
 11471  		v.AuxInt = int32ToAuxInt(off1 + off2)
 11472  		v.Aux = symToAux(mergeSym(sym1, sym2))
 11473  		v.AddArg2(ptr, mem)
 11474  		return true
 11475  	}
 11476  	// match: (MOVHstorezero [off] {sym} (ADD ptr idx) mem)
 11477  	// cond: off == 0 && sym == nil
 11478  	// result: (MOVHstorezeroidx ptr idx mem)
 11479  	for {
 11480  		off := auxIntToInt32(v.AuxInt)
 11481  		sym := auxToSym(v.Aux)
 11482  		if v_0.Op != OpARM64ADD {
 11483  			break
 11484  		}
 11485  		idx := v_0.Args[1]
 11486  		ptr := v_0.Args[0]
 11487  		mem := v_1
 11488  		if !(off == 0 && sym == nil) {
 11489  			break
 11490  		}
 11491  		v.reset(OpARM64MOVHstorezeroidx)
 11492  		v.AddArg3(ptr, idx, mem)
 11493  		return true
 11494  	}
 11495  	// match: (MOVHstorezero [off] {sym} (ADDshiftLL [1] ptr idx) mem)
 11496  	// cond: off == 0 && sym == nil
 11497  	// result: (MOVHstorezeroidx2 ptr idx mem)
 11498  	for {
 11499  		off := auxIntToInt32(v.AuxInt)
 11500  		sym := auxToSym(v.Aux)
 11501  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 {
 11502  			break
 11503  		}
 11504  		idx := v_0.Args[1]
 11505  		ptr := v_0.Args[0]
 11506  		mem := v_1
 11507  		if !(off == 0 && sym == nil) {
 11508  			break
 11509  		}
 11510  		v.reset(OpARM64MOVHstorezeroidx2)
 11511  		v.AddArg3(ptr, idx, mem)
 11512  		return true
 11513  	}
 11514  	return false
 11515  }
 11516  func rewriteValueARM64_OpARM64MOVHstorezeroidx(v *Value) bool {
 11517  	v_2 := v.Args[2]
 11518  	v_1 := v.Args[1]
 11519  	v_0 := v.Args[0]
 11520  	// match: (MOVHstorezeroidx ptr (MOVDconst [c]) mem)
 11521  	// cond: is32Bit(c)
 11522  	// result: (MOVHstorezero [int32(c)] ptr mem)
 11523  	for {
 11524  		ptr := v_0
 11525  		if v_1.Op != OpARM64MOVDconst {
 11526  			break
 11527  		}
 11528  		c := auxIntToInt64(v_1.AuxInt)
 11529  		mem := v_2
 11530  		if !(is32Bit(c)) {
 11531  			break
 11532  		}
 11533  		v.reset(OpARM64MOVHstorezero)
 11534  		v.AuxInt = int32ToAuxInt(int32(c))
 11535  		v.AddArg2(ptr, mem)
 11536  		return true
 11537  	}
 11538  	// match: (MOVHstorezeroidx (MOVDconst [c]) idx mem)
 11539  	// cond: is32Bit(c)
 11540  	// result: (MOVHstorezero [int32(c)] idx mem)
 11541  	for {
 11542  		if v_0.Op != OpARM64MOVDconst {
 11543  			break
 11544  		}
 11545  		c := auxIntToInt64(v_0.AuxInt)
 11546  		idx := v_1
 11547  		mem := v_2
 11548  		if !(is32Bit(c)) {
 11549  			break
 11550  		}
 11551  		v.reset(OpARM64MOVHstorezero)
 11552  		v.AuxInt = int32ToAuxInt(int32(c))
 11553  		v.AddArg2(idx, mem)
 11554  		return true
 11555  	}
 11556  	// match: (MOVHstorezeroidx ptr (SLLconst [1] idx) mem)
 11557  	// result: (MOVHstorezeroidx2 ptr idx mem)
 11558  	for {
 11559  		ptr := v_0
 11560  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 1 {
 11561  			break
 11562  		}
 11563  		idx := v_1.Args[0]
 11564  		mem := v_2
 11565  		v.reset(OpARM64MOVHstorezeroidx2)
 11566  		v.AddArg3(ptr, idx, mem)
 11567  		return true
 11568  	}
 11569  	// match: (MOVHstorezeroidx ptr (ADD idx idx) mem)
 11570  	// result: (MOVHstorezeroidx2 ptr idx mem)
 11571  	for {
 11572  		ptr := v_0
 11573  		if v_1.Op != OpARM64ADD {
 11574  			break
 11575  		}
 11576  		idx := v_1.Args[1]
 11577  		if idx != v_1.Args[0] {
 11578  			break
 11579  		}
 11580  		mem := v_2
 11581  		v.reset(OpARM64MOVHstorezeroidx2)
 11582  		v.AddArg3(ptr, idx, mem)
 11583  		return true
 11584  	}
 11585  	// match: (MOVHstorezeroidx (SLLconst [1] idx) ptr mem)
 11586  	// result: (MOVHstorezeroidx2 ptr idx mem)
 11587  	for {
 11588  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 1 {
 11589  			break
 11590  		}
 11591  		idx := v_0.Args[0]
 11592  		ptr := v_1
 11593  		mem := v_2
 11594  		v.reset(OpARM64MOVHstorezeroidx2)
 11595  		v.AddArg3(ptr, idx, mem)
 11596  		return true
 11597  	}
 11598  	// match: (MOVHstorezeroidx (ADD idx idx) ptr mem)
 11599  	// result: (MOVHstorezeroidx2 ptr idx mem)
 11600  	for {
 11601  		if v_0.Op != OpARM64ADD {
 11602  			break
 11603  		}
 11604  		idx := v_0.Args[1]
 11605  		if idx != v_0.Args[0] {
 11606  			break
 11607  		}
 11608  		ptr := v_1
 11609  		mem := v_2
 11610  		v.reset(OpARM64MOVHstorezeroidx2)
 11611  		v.AddArg3(ptr, idx, mem)
 11612  		return true
 11613  	}
 11614  	return false
 11615  }
 11616  func rewriteValueARM64_OpARM64MOVHstorezeroidx2(v *Value) bool {
 11617  	v_2 := v.Args[2]
 11618  	v_1 := v.Args[1]
 11619  	v_0 := v.Args[0]
 11620  	// match: (MOVHstorezeroidx2 ptr (MOVDconst [c]) mem)
 11621  	// cond: is32Bit(c<<1)
 11622  	// result: (MOVHstorezero [int32(c<<1)] ptr mem)
 11623  	for {
 11624  		ptr := v_0
 11625  		if v_1.Op != OpARM64MOVDconst {
 11626  			break
 11627  		}
 11628  		c := auxIntToInt64(v_1.AuxInt)
 11629  		mem := v_2
 11630  		if !(is32Bit(c << 1)) {
 11631  			break
 11632  		}
 11633  		v.reset(OpARM64MOVHstorezero)
 11634  		v.AuxInt = int32ToAuxInt(int32(c << 1))
 11635  		v.AddArg2(ptr, mem)
 11636  		return true
 11637  	}
 11638  	return false
 11639  }
 11640  func rewriteValueARM64_OpARM64MOVQstorezero(v *Value) bool {
 11641  	v_1 := v.Args[1]
 11642  	v_0 := v.Args[0]
 11643  	b := v.Block
 11644  	config := b.Func.Config
 11645  	// match: (MOVQstorezero [off1] {sym} (ADDconst [off2] ptr) mem)
 11646  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11647  	// result: (MOVQstorezero [off1+int32(off2)] {sym} ptr mem)
 11648  	for {
 11649  		off1 := auxIntToInt32(v.AuxInt)
 11650  		sym := auxToSym(v.Aux)
 11651  		if v_0.Op != OpARM64ADDconst {
 11652  			break
 11653  		}
 11654  		off2 := auxIntToInt64(v_0.AuxInt)
 11655  		ptr := v_0.Args[0]
 11656  		mem := v_1
 11657  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11658  			break
 11659  		}
 11660  		v.reset(OpARM64MOVQstorezero)
 11661  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 11662  		v.Aux = symToAux(sym)
 11663  		v.AddArg2(ptr, mem)
 11664  		return true
 11665  	}
 11666  	// match: (MOVQstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 11667  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11668  	// result: (MOVQstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 11669  	for {
 11670  		off1 := auxIntToInt32(v.AuxInt)
 11671  		sym1 := auxToSym(v.Aux)
 11672  		if v_0.Op != OpARM64MOVDaddr {
 11673  			break
 11674  		}
 11675  		off2 := auxIntToInt32(v_0.AuxInt)
 11676  		sym2 := auxToSym(v_0.Aux)
 11677  		ptr := v_0.Args[0]
 11678  		mem := v_1
 11679  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11680  			break
 11681  		}
 11682  		v.reset(OpARM64MOVQstorezero)
 11683  		v.AuxInt = int32ToAuxInt(off1 + off2)
 11684  		v.Aux = symToAux(mergeSym(sym1, sym2))
 11685  		v.AddArg2(ptr, mem)
 11686  		return true
 11687  	}
 11688  	return false
 11689  }
 11690  func rewriteValueARM64_OpARM64MOVWUload(v *Value) bool {
 11691  	v_1 := v.Args[1]
 11692  	v_0 := v.Args[0]
 11693  	b := v.Block
 11694  	config := b.Func.Config
 11695  	// match: (MOVWUload [off] {sym} ptr (FMOVSstore [off] {sym} ptr val _))
 11696  	// result: (FMOVSfpgp val)
 11697  	for {
 11698  		off := auxIntToInt32(v.AuxInt)
 11699  		sym := auxToSym(v.Aux)
 11700  		ptr := v_0
 11701  		if v_1.Op != OpARM64FMOVSstore || auxIntToInt32(v_1.AuxInt) != off || auxToSym(v_1.Aux) != sym {
 11702  			break
 11703  		}
 11704  		val := v_1.Args[1]
 11705  		if ptr != v_1.Args[0] {
 11706  			break
 11707  		}
 11708  		v.reset(OpARM64FMOVSfpgp)
 11709  		v.AddArg(val)
 11710  		return true
 11711  	}
 11712  	// match: (MOVWUload [off1] {sym} (ADDconst [off2] ptr) mem)
 11713  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11714  	// result: (MOVWUload [off1+int32(off2)] {sym} ptr mem)
 11715  	for {
 11716  		off1 := auxIntToInt32(v.AuxInt)
 11717  		sym := auxToSym(v.Aux)
 11718  		if v_0.Op != OpARM64ADDconst {
 11719  			break
 11720  		}
 11721  		off2 := auxIntToInt64(v_0.AuxInt)
 11722  		ptr := v_0.Args[0]
 11723  		mem := v_1
 11724  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11725  			break
 11726  		}
 11727  		v.reset(OpARM64MOVWUload)
 11728  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 11729  		v.Aux = symToAux(sym)
 11730  		v.AddArg2(ptr, mem)
 11731  		return true
 11732  	}
 11733  	// match: (MOVWUload [off] {sym} (ADD ptr idx) mem)
 11734  	// cond: off == 0 && sym == nil
 11735  	// result: (MOVWUloadidx ptr idx mem)
 11736  	for {
 11737  		off := auxIntToInt32(v.AuxInt)
 11738  		sym := auxToSym(v.Aux)
 11739  		if v_0.Op != OpARM64ADD {
 11740  			break
 11741  		}
 11742  		idx := v_0.Args[1]
 11743  		ptr := v_0.Args[0]
 11744  		mem := v_1
 11745  		if !(off == 0 && sym == nil) {
 11746  			break
 11747  		}
 11748  		v.reset(OpARM64MOVWUloadidx)
 11749  		v.AddArg3(ptr, idx, mem)
 11750  		return true
 11751  	}
 11752  	// match: (MOVWUload [off] {sym} (ADDshiftLL [2] ptr idx) mem)
 11753  	// cond: off == 0 && sym == nil
 11754  	// result: (MOVWUloadidx4 ptr idx mem)
 11755  	for {
 11756  		off := auxIntToInt32(v.AuxInt)
 11757  		sym := auxToSym(v.Aux)
 11758  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
 11759  			break
 11760  		}
 11761  		idx := v_0.Args[1]
 11762  		ptr := v_0.Args[0]
 11763  		mem := v_1
 11764  		if !(off == 0 && sym == nil) {
 11765  			break
 11766  		}
 11767  		v.reset(OpARM64MOVWUloadidx4)
 11768  		v.AddArg3(ptr, idx, mem)
 11769  		return true
 11770  	}
 11771  	// match: (MOVWUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 11772  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 11773  	// result: (MOVWUload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 11774  	for {
 11775  		off1 := auxIntToInt32(v.AuxInt)
 11776  		sym1 := auxToSym(v.Aux)
 11777  		if v_0.Op != OpARM64MOVDaddr {
 11778  			break
 11779  		}
 11780  		off2 := auxIntToInt32(v_0.AuxInt)
 11781  		sym2 := auxToSym(v_0.Aux)
 11782  		ptr := v_0.Args[0]
 11783  		mem := v_1
 11784  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 11785  			break
 11786  		}
 11787  		v.reset(OpARM64MOVWUload)
 11788  		v.AuxInt = int32ToAuxInt(off1 + off2)
 11789  		v.Aux = symToAux(mergeSym(sym1, sym2))
 11790  		v.AddArg2(ptr, mem)
 11791  		return true
 11792  	}
 11793  	// match: (MOVWUload [off] {sym} ptr (MOVWstorezero [off2] {sym2} ptr2 _))
 11794  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 11795  	// result: (MOVDconst [0])
 11796  	for {
 11797  		off := auxIntToInt32(v.AuxInt)
 11798  		sym := auxToSym(v.Aux)
 11799  		ptr := v_0
 11800  		if v_1.Op != OpARM64MOVWstorezero {
 11801  			break
 11802  		}
 11803  		off2 := auxIntToInt32(v_1.AuxInt)
 11804  		sym2 := auxToSym(v_1.Aux)
 11805  		ptr2 := v_1.Args[0]
 11806  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 11807  			break
 11808  		}
 11809  		v.reset(OpARM64MOVDconst)
 11810  		v.AuxInt = int64ToAuxInt(0)
 11811  		return true
 11812  	}
 11813  	// match: (MOVWUload [off] {sym} (SB) _)
 11814  	// cond: symIsRO(sym)
 11815  	// result: (MOVDconst [int64(read32(sym, int64(off), config.ctxt.Arch.ByteOrder))])
 11816  	for {
 11817  		off := auxIntToInt32(v.AuxInt)
 11818  		sym := auxToSym(v.Aux)
 11819  		if v_0.Op != OpSB || !(symIsRO(sym)) {
 11820  			break
 11821  		}
 11822  		v.reset(OpARM64MOVDconst)
 11823  		v.AuxInt = int64ToAuxInt(int64(read32(sym, int64(off), config.ctxt.Arch.ByteOrder)))
 11824  		return true
 11825  	}
 11826  	return false
 11827  }
 11828  func rewriteValueARM64_OpARM64MOVWUloadidx(v *Value) bool {
 11829  	v_2 := v.Args[2]
 11830  	v_1 := v.Args[1]
 11831  	v_0 := v.Args[0]
 11832  	// match: (MOVWUloadidx ptr (MOVDconst [c]) mem)
 11833  	// cond: is32Bit(c)
 11834  	// result: (MOVWUload [int32(c)] ptr mem)
 11835  	for {
 11836  		ptr := v_0
 11837  		if v_1.Op != OpARM64MOVDconst {
 11838  			break
 11839  		}
 11840  		c := auxIntToInt64(v_1.AuxInt)
 11841  		mem := v_2
 11842  		if !(is32Bit(c)) {
 11843  			break
 11844  		}
 11845  		v.reset(OpARM64MOVWUload)
 11846  		v.AuxInt = int32ToAuxInt(int32(c))
 11847  		v.AddArg2(ptr, mem)
 11848  		return true
 11849  	}
 11850  	// match: (MOVWUloadidx (MOVDconst [c]) ptr mem)
 11851  	// cond: is32Bit(c)
 11852  	// result: (MOVWUload [int32(c)] ptr mem)
 11853  	for {
 11854  		if v_0.Op != OpARM64MOVDconst {
 11855  			break
 11856  		}
 11857  		c := auxIntToInt64(v_0.AuxInt)
 11858  		ptr := v_1
 11859  		mem := v_2
 11860  		if !(is32Bit(c)) {
 11861  			break
 11862  		}
 11863  		v.reset(OpARM64MOVWUload)
 11864  		v.AuxInt = int32ToAuxInt(int32(c))
 11865  		v.AddArg2(ptr, mem)
 11866  		return true
 11867  	}
 11868  	// match: (MOVWUloadidx ptr (SLLconst [2] idx) mem)
 11869  	// result: (MOVWUloadidx4 ptr idx mem)
 11870  	for {
 11871  		ptr := v_0
 11872  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
 11873  			break
 11874  		}
 11875  		idx := v_1.Args[0]
 11876  		mem := v_2
 11877  		v.reset(OpARM64MOVWUloadidx4)
 11878  		v.AddArg3(ptr, idx, mem)
 11879  		return true
 11880  	}
 11881  	// match: (MOVWUloadidx (SLLconst [2] idx) ptr mem)
 11882  	// result: (MOVWUloadidx4 ptr idx mem)
 11883  	for {
 11884  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
 11885  			break
 11886  		}
 11887  		idx := v_0.Args[0]
 11888  		ptr := v_1
 11889  		mem := v_2
 11890  		v.reset(OpARM64MOVWUloadidx4)
 11891  		v.AddArg3(ptr, idx, mem)
 11892  		return true
 11893  	}
 11894  	// match: (MOVWUloadidx ptr idx (MOVWstorezeroidx ptr2 idx2 _))
 11895  	// cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2))
 11896  	// result: (MOVDconst [0])
 11897  	for {
 11898  		ptr := v_0
 11899  		idx := v_1
 11900  		if v_2.Op != OpARM64MOVWstorezeroidx {
 11901  			break
 11902  		}
 11903  		idx2 := v_2.Args[1]
 11904  		ptr2 := v_2.Args[0]
 11905  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) {
 11906  			break
 11907  		}
 11908  		v.reset(OpARM64MOVDconst)
 11909  		v.AuxInt = int64ToAuxInt(0)
 11910  		return true
 11911  	}
 11912  	return false
 11913  }
 11914  func rewriteValueARM64_OpARM64MOVWUloadidx4(v *Value) bool {
 11915  	v_2 := v.Args[2]
 11916  	v_1 := v.Args[1]
 11917  	v_0 := v.Args[0]
 11918  	// match: (MOVWUloadidx4 ptr (MOVDconst [c]) mem)
 11919  	// cond: is32Bit(c<<2)
 11920  	// result: (MOVWUload [int32(c)<<2] ptr mem)
 11921  	for {
 11922  		ptr := v_0
 11923  		if v_1.Op != OpARM64MOVDconst {
 11924  			break
 11925  		}
 11926  		c := auxIntToInt64(v_1.AuxInt)
 11927  		mem := v_2
 11928  		if !(is32Bit(c << 2)) {
 11929  			break
 11930  		}
 11931  		v.reset(OpARM64MOVWUload)
 11932  		v.AuxInt = int32ToAuxInt(int32(c) << 2)
 11933  		v.AddArg2(ptr, mem)
 11934  		return true
 11935  	}
 11936  	// match: (MOVWUloadidx4 ptr idx (MOVWstorezeroidx4 ptr2 idx2 _))
 11937  	// cond: isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)
 11938  	// result: (MOVDconst [0])
 11939  	for {
 11940  		ptr := v_0
 11941  		idx := v_1
 11942  		if v_2.Op != OpARM64MOVWstorezeroidx4 {
 11943  			break
 11944  		}
 11945  		idx2 := v_2.Args[1]
 11946  		ptr2 := v_2.Args[0]
 11947  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)) {
 11948  			break
 11949  		}
 11950  		v.reset(OpARM64MOVDconst)
 11951  		v.AuxInt = int64ToAuxInt(0)
 11952  		return true
 11953  	}
 11954  	return false
 11955  }
 11956  func rewriteValueARM64_OpARM64MOVWUreg(v *Value) bool {
 11957  	v_0 := v.Args[0]
 11958  	// match: (MOVWUreg x:(MOVBUload _ _))
 11959  	// result: (MOVDreg x)
 11960  	for {
 11961  		x := v_0
 11962  		if x.Op != OpARM64MOVBUload {
 11963  			break
 11964  		}
 11965  		v.reset(OpARM64MOVDreg)
 11966  		v.AddArg(x)
 11967  		return true
 11968  	}
 11969  	// match: (MOVWUreg x:(MOVHUload _ _))
 11970  	// result: (MOVDreg x)
 11971  	for {
 11972  		x := v_0
 11973  		if x.Op != OpARM64MOVHUload {
 11974  			break
 11975  		}
 11976  		v.reset(OpARM64MOVDreg)
 11977  		v.AddArg(x)
 11978  		return true
 11979  	}
 11980  	// match: (MOVWUreg x:(MOVWUload _ _))
 11981  	// result: (MOVDreg x)
 11982  	for {
 11983  		x := v_0
 11984  		if x.Op != OpARM64MOVWUload {
 11985  			break
 11986  		}
 11987  		v.reset(OpARM64MOVDreg)
 11988  		v.AddArg(x)
 11989  		return true
 11990  	}
 11991  	// match: (MOVWUreg x:(MOVBUloadidx _ _ _))
 11992  	// result: (MOVDreg x)
 11993  	for {
 11994  		x := v_0
 11995  		if x.Op != OpARM64MOVBUloadidx {
 11996  			break
 11997  		}
 11998  		v.reset(OpARM64MOVDreg)
 11999  		v.AddArg(x)
 12000  		return true
 12001  	}
 12002  	// match: (MOVWUreg x:(MOVHUloadidx _ _ _))
 12003  	// result: (MOVDreg x)
 12004  	for {
 12005  		x := v_0
 12006  		if x.Op != OpARM64MOVHUloadidx {
 12007  			break
 12008  		}
 12009  		v.reset(OpARM64MOVDreg)
 12010  		v.AddArg(x)
 12011  		return true
 12012  	}
 12013  	// match: (MOVWUreg x:(MOVWUloadidx _ _ _))
 12014  	// result: (MOVDreg x)
 12015  	for {
 12016  		x := v_0
 12017  		if x.Op != OpARM64MOVWUloadidx {
 12018  			break
 12019  		}
 12020  		v.reset(OpARM64MOVDreg)
 12021  		v.AddArg(x)
 12022  		return true
 12023  	}
 12024  	// match: (MOVWUreg x:(MOVHUloadidx2 _ _ _))
 12025  	// result: (MOVDreg x)
 12026  	for {
 12027  		x := v_0
 12028  		if x.Op != OpARM64MOVHUloadidx2 {
 12029  			break
 12030  		}
 12031  		v.reset(OpARM64MOVDreg)
 12032  		v.AddArg(x)
 12033  		return true
 12034  	}
 12035  	// match: (MOVWUreg x:(MOVWUloadidx4 _ _ _))
 12036  	// result: (MOVDreg x)
 12037  	for {
 12038  		x := v_0
 12039  		if x.Op != OpARM64MOVWUloadidx4 {
 12040  			break
 12041  		}
 12042  		v.reset(OpARM64MOVDreg)
 12043  		v.AddArg(x)
 12044  		return true
 12045  	}
 12046  	// match: (MOVWUreg x:(MOVBUreg _))
 12047  	// result: (MOVDreg x)
 12048  	for {
 12049  		x := v_0
 12050  		if x.Op != OpARM64MOVBUreg {
 12051  			break
 12052  		}
 12053  		v.reset(OpARM64MOVDreg)
 12054  		v.AddArg(x)
 12055  		return true
 12056  	}
 12057  	// match: (MOVWUreg x:(MOVHUreg _))
 12058  	// result: (MOVDreg x)
 12059  	for {
 12060  		x := v_0
 12061  		if x.Op != OpARM64MOVHUreg {
 12062  			break
 12063  		}
 12064  		v.reset(OpARM64MOVDreg)
 12065  		v.AddArg(x)
 12066  		return true
 12067  	}
 12068  	// match: (MOVWUreg x:(MOVWUreg _))
 12069  	// result: (MOVDreg x)
 12070  	for {
 12071  		x := v_0
 12072  		if x.Op != OpARM64MOVWUreg {
 12073  			break
 12074  		}
 12075  		v.reset(OpARM64MOVDreg)
 12076  		v.AddArg(x)
 12077  		return true
 12078  	}
 12079  	// match: (MOVWUreg (ANDconst [c] x))
 12080  	// result: (ANDconst [c&(1<<32-1)] x)
 12081  	for {
 12082  		if v_0.Op != OpARM64ANDconst {
 12083  			break
 12084  		}
 12085  		c := auxIntToInt64(v_0.AuxInt)
 12086  		x := v_0.Args[0]
 12087  		v.reset(OpARM64ANDconst)
 12088  		v.AuxInt = int64ToAuxInt(c & (1<<32 - 1))
 12089  		v.AddArg(x)
 12090  		return true
 12091  	}
 12092  	// match: (MOVWUreg (MOVDconst [c]))
 12093  	// result: (MOVDconst [int64(uint32(c))])
 12094  	for {
 12095  		if v_0.Op != OpARM64MOVDconst {
 12096  			break
 12097  		}
 12098  		c := auxIntToInt64(v_0.AuxInt)
 12099  		v.reset(OpARM64MOVDconst)
 12100  		v.AuxInt = int64ToAuxInt(int64(uint32(c)))
 12101  		return true
 12102  	}
 12103  	// match: (MOVWUreg x)
 12104  	// cond: v.Type.Size() <= 4
 12105  	// result: x
 12106  	for {
 12107  		x := v_0
 12108  		if !(v.Type.Size() <= 4) {
 12109  			break
 12110  		}
 12111  		v.copyOf(x)
 12112  		return true
 12113  	}
 12114  	// match: (MOVWUreg x)
 12115  	// cond: zeroUpper32Bits(x, 3)
 12116  	// result: x
 12117  	for {
 12118  		x := v_0
 12119  		if !(zeroUpper32Bits(x, 3)) {
 12120  			break
 12121  		}
 12122  		v.copyOf(x)
 12123  		return true
 12124  	}
 12125  	// match: (MOVWUreg (SLLconst [lc] x))
 12126  	// cond: lc >= 32
 12127  	// result: (MOVDconst [0])
 12128  	for {
 12129  		if v_0.Op != OpARM64SLLconst {
 12130  			break
 12131  		}
 12132  		lc := auxIntToInt64(v_0.AuxInt)
 12133  		if !(lc >= 32) {
 12134  			break
 12135  		}
 12136  		v.reset(OpARM64MOVDconst)
 12137  		v.AuxInt = int64ToAuxInt(0)
 12138  		return true
 12139  	}
 12140  	// match: (MOVWUreg (SLLconst [lc] x))
 12141  	// cond: lc < 32
 12142  	// result: (UBFIZ [armBFAuxInt(lc, 32-lc)] x)
 12143  	for {
 12144  		if v_0.Op != OpARM64SLLconst {
 12145  			break
 12146  		}
 12147  		lc := auxIntToInt64(v_0.AuxInt)
 12148  		x := v_0.Args[0]
 12149  		if !(lc < 32) {
 12150  			break
 12151  		}
 12152  		v.reset(OpARM64UBFIZ)
 12153  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 32-lc))
 12154  		v.AddArg(x)
 12155  		return true
 12156  	}
 12157  	// match: (MOVWUreg (SRLconst [rc] x))
 12158  	// cond: rc < 32
 12159  	// result: (UBFX [armBFAuxInt(rc, 32)] x)
 12160  	for {
 12161  		if v_0.Op != OpARM64SRLconst {
 12162  			break
 12163  		}
 12164  		rc := auxIntToInt64(v_0.AuxInt)
 12165  		x := v_0.Args[0]
 12166  		if !(rc < 32) {
 12167  			break
 12168  		}
 12169  		v.reset(OpARM64UBFX)
 12170  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 32))
 12171  		v.AddArg(x)
 12172  		return true
 12173  	}
 12174  	// match: (MOVWUreg (UBFX [bfc] x))
 12175  	// cond: bfc.getARM64BFwidth() <= 32
 12176  	// result: (UBFX [bfc] x)
 12177  	for {
 12178  		if v_0.Op != OpARM64UBFX {
 12179  			break
 12180  		}
 12181  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 12182  		x := v_0.Args[0]
 12183  		if !(bfc.getARM64BFwidth() <= 32) {
 12184  			break
 12185  		}
 12186  		v.reset(OpARM64UBFX)
 12187  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 12188  		v.AddArg(x)
 12189  		return true
 12190  	}
 12191  	return false
 12192  }
 12193  func rewriteValueARM64_OpARM64MOVWload(v *Value) bool {
 12194  	v_1 := v.Args[1]
 12195  	v_0 := v.Args[0]
 12196  	b := v.Block
 12197  	config := b.Func.Config
 12198  	// match: (MOVWload [off1] {sym} (ADDconst [off2] ptr) mem)
 12199  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 12200  	// result: (MOVWload [off1+int32(off2)] {sym} ptr mem)
 12201  	for {
 12202  		off1 := auxIntToInt32(v.AuxInt)
 12203  		sym := auxToSym(v.Aux)
 12204  		if v_0.Op != OpARM64ADDconst {
 12205  			break
 12206  		}
 12207  		off2 := auxIntToInt64(v_0.AuxInt)
 12208  		ptr := v_0.Args[0]
 12209  		mem := v_1
 12210  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 12211  			break
 12212  		}
 12213  		v.reset(OpARM64MOVWload)
 12214  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 12215  		v.Aux = symToAux(sym)
 12216  		v.AddArg2(ptr, mem)
 12217  		return true
 12218  	}
 12219  	// match: (MOVWload [off] {sym} (ADD ptr idx) mem)
 12220  	// cond: off == 0 && sym == nil
 12221  	// result: (MOVWloadidx ptr idx mem)
 12222  	for {
 12223  		off := auxIntToInt32(v.AuxInt)
 12224  		sym := auxToSym(v.Aux)
 12225  		if v_0.Op != OpARM64ADD {
 12226  			break
 12227  		}
 12228  		idx := v_0.Args[1]
 12229  		ptr := v_0.Args[0]
 12230  		mem := v_1
 12231  		if !(off == 0 && sym == nil) {
 12232  			break
 12233  		}
 12234  		v.reset(OpARM64MOVWloadidx)
 12235  		v.AddArg3(ptr, idx, mem)
 12236  		return true
 12237  	}
 12238  	// match: (MOVWload [off] {sym} (ADDshiftLL [2] ptr idx) mem)
 12239  	// cond: off == 0 && sym == nil
 12240  	// result: (MOVWloadidx4 ptr idx mem)
 12241  	for {
 12242  		off := auxIntToInt32(v.AuxInt)
 12243  		sym := auxToSym(v.Aux)
 12244  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
 12245  			break
 12246  		}
 12247  		idx := v_0.Args[1]
 12248  		ptr := v_0.Args[0]
 12249  		mem := v_1
 12250  		if !(off == 0 && sym == nil) {
 12251  			break
 12252  		}
 12253  		v.reset(OpARM64MOVWloadidx4)
 12254  		v.AddArg3(ptr, idx, mem)
 12255  		return true
 12256  	}
 12257  	// match: (MOVWload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 12258  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 12259  	// result: (MOVWload [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 12260  	for {
 12261  		off1 := auxIntToInt32(v.AuxInt)
 12262  		sym1 := auxToSym(v.Aux)
 12263  		if v_0.Op != OpARM64MOVDaddr {
 12264  			break
 12265  		}
 12266  		off2 := auxIntToInt32(v_0.AuxInt)
 12267  		sym2 := auxToSym(v_0.Aux)
 12268  		ptr := v_0.Args[0]
 12269  		mem := v_1
 12270  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 12271  			break
 12272  		}
 12273  		v.reset(OpARM64MOVWload)
 12274  		v.AuxInt = int32ToAuxInt(off1 + off2)
 12275  		v.Aux = symToAux(mergeSym(sym1, sym2))
 12276  		v.AddArg2(ptr, mem)
 12277  		return true
 12278  	}
 12279  	// match: (MOVWload [off] {sym} ptr (MOVWstorezero [off2] {sym2} ptr2 _))
 12280  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
 12281  	// result: (MOVDconst [0])
 12282  	for {
 12283  		off := auxIntToInt32(v.AuxInt)
 12284  		sym := auxToSym(v.Aux)
 12285  		ptr := v_0
 12286  		if v_1.Op != OpARM64MOVWstorezero {
 12287  			break
 12288  		}
 12289  		off2 := auxIntToInt32(v_1.AuxInt)
 12290  		sym2 := auxToSym(v_1.Aux)
 12291  		ptr2 := v_1.Args[0]
 12292  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
 12293  			break
 12294  		}
 12295  		v.reset(OpARM64MOVDconst)
 12296  		v.AuxInt = int64ToAuxInt(0)
 12297  		return true
 12298  	}
 12299  	return false
 12300  }
 12301  func rewriteValueARM64_OpARM64MOVWloadidx(v *Value) bool {
 12302  	v_2 := v.Args[2]
 12303  	v_1 := v.Args[1]
 12304  	v_0 := v.Args[0]
 12305  	// match: (MOVWloadidx ptr (MOVDconst [c]) mem)
 12306  	// cond: is32Bit(c)
 12307  	// result: (MOVWload [int32(c)] ptr mem)
 12308  	for {
 12309  		ptr := v_0
 12310  		if v_1.Op != OpARM64MOVDconst {
 12311  			break
 12312  		}
 12313  		c := auxIntToInt64(v_1.AuxInt)
 12314  		mem := v_2
 12315  		if !(is32Bit(c)) {
 12316  			break
 12317  		}
 12318  		v.reset(OpARM64MOVWload)
 12319  		v.AuxInt = int32ToAuxInt(int32(c))
 12320  		v.AddArg2(ptr, mem)
 12321  		return true
 12322  	}
 12323  	// match: (MOVWloadidx (MOVDconst [c]) ptr mem)
 12324  	// cond: is32Bit(c)
 12325  	// result: (MOVWload [int32(c)] ptr mem)
 12326  	for {
 12327  		if v_0.Op != OpARM64MOVDconst {
 12328  			break
 12329  		}
 12330  		c := auxIntToInt64(v_0.AuxInt)
 12331  		ptr := v_1
 12332  		mem := v_2
 12333  		if !(is32Bit(c)) {
 12334  			break
 12335  		}
 12336  		v.reset(OpARM64MOVWload)
 12337  		v.AuxInt = int32ToAuxInt(int32(c))
 12338  		v.AddArg2(ptr, mem)
 12339  		return true
 12340  	}
 12341  	// match: (MOVWloadidx ptr (SLLconst [2] idx) mem)
 12342  	// result: (MOVWloadidx4 ptr idx mem)
 12343  	for {
 12344  		ptr := v_0
 12345  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
 12346  			break
 12347  		}
 12348  		idx := v_1.Args[0]
 12349  		mem := v_2
 12350  		v.reset(OpARM64MOVWloadidx4)
 12351  		v.AddArg3(ptr, idx, mem)
 12352  		return true
 12353  	}
 12354  	// match: (MOVWloadidx (SLLconst [2] idx) ptr mem)
 12355  	// result: (MOVWloadidx4 ptr idx mem)
 12356  	for {
 12357  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
 12358  			break
 12359  		}
 12360  		idx := v_0.Args[0]
 12361  		ptr := v_1
 12362  		mem := v_2
 12363  		v.reset(OpARM64MOVWloadidx4)
 12364  		v.AddArg3(ptr, idx, mem)
 12365  		return true
 12366  	}
 12367  	// match: (MOVWloadidx ptr idx (MOVWstorezeroidx ptr2 idx2 _))
 12368  	// cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2))
 12369  	// result: (MOVDconst [0])
 12370  	for {
 12371  		ptr := v_0
 12372  		idx := v_1
 12373  		if v_2.Op != OpARM64MOVWstorezeroidx {
 12374  			break
 12375  		}
 12376  		idx2 := v_2.Args[1]
 12377  		ptr2 := v_2.Args[0]
 12378  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) {
 12379  			break
 12380  		}
 12381  		v.reset(OpARM64MOVDconst)
 12382  		v.AuxInt = int64ToAuxInt(0)
 12383  		return true
 12384  	}
 12385  	return false
 12386  }
 12387  func rewriteValueARM64_OpARM64MOVWloadidx4(v *Value) bool {
 12388  	v_2 := v.Args[2]
 12389  	v_1 := v.Args[1]
 12390  	v_0 := v.Args[0]
 12391  	// match: (MOVWloadidx4 ptr (MOVDconst [c]) mem)
 12392  	// cond: is32Bit(c<<2)
 12393  	// result: (MOVWload [int32(c)<<2] ptr mem)
 12394  	for {
 12395  		ptr := v_0
 12396  		if v_1.Op != OpARM64MOVDconst {
 12397  			break
 12398  		}
 12399  		c := auxIntToInt64(v_1.AuxInt)
 12400  		mem := v_2
 12401  		if !(is32Bit(c << 2)) {
 12402  			break
 12403  		}
 12404  		v.reset(OpARM64MOVWload)
 12405  		v.AuxInt = int32ToAuxInt(int32(c) << 2)
 12406  		v.AddArg2(ptr, mem)
 12407  		return true
 12408  	}
 12409  	// match: (MOVWloadidx4 ptr idx (MOVWstorezeroidx4 ptr2 idx2 _))
 12410  	// cond: isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)
 12411  	// result: (MOVDconst [0])
 12412  	for {
 12413  		ptr := v_0
 12414  		idx := v_1
 12415  		if v_2.Op != OpARM64MOVWstorezeroidx4 {
 12416  			break
 12417  		}
 12418  		idx2 := v_2.Args[1]
 12419  		ptr2 := v_2.Args[0]
 12420  		if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)) {
 12421  			break
 12422  		}
 12423  		v.reset(OpARM64MOVDconst)
 12424  		v.AuxInt = int64ToAuxInt(0)
 12425  		return true
 12426  	}
 12427  	return false
 12428  }
 12429  func rewriteValueARM64_OpARM64MOVWreg(v *Value) bool {
 12430  	v_0 := v.Args[0]
 12431  	// match: (MOVWreg x:(MOVBload _ _))
 12432  	// result: (MOVDreg x)
 12433  	for {
 12434  		x := v_0
 12435  		if x.Op != OpARM64MOVBload {
 12436  			break
 12437  		}
 12438  		v.reset(OpARM64MOVDreg)
 12439  		v.AddArg(x)
 12440  		return true
 12441  	}
 12442  	// match: (MOVWreg x:(MOVBUload _ _))
 12443  	// result: (MOVDreg x)
 12444  	for {
 12445  		x := v_0
 12446  		if x.Op != OpARM64MOVBUload {
 12447  			break
 12448  		}
 12449  		v.reset(OpARM64MOVDreg)
 12450  		v.AddArg(x)
 12451  		return true
 12452  	}
 12453  	// match: (MOVWreg x:(MOVHload _ _))
 12454  	// result: (MOVDreg x)
 12455  	for {
 12456  		x := v_0
 12457  		if x.Op != OpARM64MOVHload {
 12458  			break
 12459  		}
 12460  		v.reset(OpARM64MOVDreg)
 12461  		v.AddArg(x)
 12462  		return true
 12463  	}
 12464  	// match: (MOVWreg x:(MOVHUload _ _))
 12465  	// result: (MOVDreg x)
 12466  	for {
 12467  		x := v_0
 12468  		if x.Op != OpARM64MOVHUload {
 12469  			break
 12470  		}
 12471  		v.reset(OpARM64MOVDreg)
 12472  		v.AddArg(x)
 12473  		return true
 12474  	}
 12475  	// match: (MOVWreg x:(MOVWload _ _))
 12476  	// result: (MOVDreg x)
 12477  	for {
 12478  		x := v_0
 12479  		if x.Op != OpARM64MOVWload {
 12480  			break
 12481  		}
 12482  		v.reset(OpARM64MOVDreg)
 12483  		v.AddArg(x)
 12484  		return true
 12485  	}
 12486  	// match: (MOVWreg x:(MOVBloadidx _ _ _))
 12487  	// result: (MOVDreg x)
 12488  	for {
 12489  		x := v_0
 12490  		if x.Op != OpARM64MOVBloadidx {
 12491  			break
 12492  		}
 12493  		v.reset(OpARM64MOVDreg)
 12494  		v.AddArg(x)
 12495  		return true
 12496  	}
 12497  	// match: (MOVWreg x:(MOVBUloadidx _ _ _))
 12498  	// result: (MOVDreg x)
 12499  	for {
 12500  		x := v_0
 12501  		if x.Op != OpARM64MOVBUloadidx {
 12502  			break
 12503  		}
 12504  		v.reset(OpARM64MOVDreg)
 12505  		v.AddArg(x)
 12506  		return true
 12507  	}
 12508  	// match: (MOVWreg x:(MOVHloadidx _ _ _))
 12509  	// result: (MOVDreg x)
 12510  	for {
 12511  		x := v_0
 12512  		if x.Op != OpARM64MOVHloadidx {
 12513  			break
 12514  		}
 12515  		v.reset(OpARM64MOVDreg)
 12516  		v.AddArg(x)
 12517  		return true
 12518  	}
 12519  	// match: (MOVWreg x:(MOVHUloadidx _ _ _))
 12520  	// result: (MOVDreg x)
 12521  	for {
 12522  		x := v_0
 12523  		if x.Op != OpARM64MOVHUloadidx {
 12524  			break
 12525  		}
 12526  		v.reset(OpARM64MOVDreg)
 12527  		v.AddArg(x)
 12528  		return true
 12529  	}
 12530  	// match: (MOVWreg x:(MOVWloadidx _ _ _))
 12531  	// result: (MOVDreg x)
 12532  	for {
 12533  		x := v_0
 12534  		if x.Op != OpARM64MOVWloadidx {
 12535  			break
 12536  		}
 12537  		v.reset(OpARM64MOVDreg)
 12538  		v.AddArg(x)
 12539  		return true
 12540  	}
 12541  	// match: (MOVWreg x:(MOVHloadidx2 _ _ _))
 12542  	// result: (MOVDreg x)
 12543  	for {
 12544  		x := v_0
 12545  		if x.Op != OpARM64MOVHloadidx2 {
 12546  			break
 12547  		}
 12548  		v.reset(OpARM64MOVDreg)
 12549  		v.AddArg(x)
 12550  		return true
 12551  	}
 12552  	// match: (MOVWreg x:(MOVHUloadidx2 _ _ _))
 12553  	// result: (MOVDreg x)
 12554  	for {
 12555  		x := v_0
 12556  		if x.Op != OpARM64MOVHUloadidx2 {
 12557  			break
 12558  		}
 12559  		v.reset(OpARM64MOVDreg)
 12560  		v.AddArg(x)
 12561  		return true
 12562  	}
 12563  	// match: (MOVWreg x:(MOVWloadidx4 _ _ _))
 12564  	// result: (MOVDreg x)
 12565  	for {
 12566  		x := v_0
 12567  		if x.Op != OpARM64MOVWloadidx4 {
 12568  			break
 12569  		}
 12570  		v.reset(OpARM64MOVDreg)
 12571  		v.AddArg(x)
 12572  		return true
 12573  	}
 12574  	// match: (MOVWreg x:(MOVBreg _))
 12575  	// result: (MOVDreg x)
 12576  	for {
 12577  		x := v_0
 12578  		if x.Op != OpARM64MOVBreg {
 12579  			break
 12580  		}
 12581  		v.reset(OpARM64MOVDreg)
 12582  		v.AddArg(x)
 12583  		return true
 12584  	}
 12585  	// match: (MOVWreg x:(MOVBUreg _))
 12586  	// result: (MOVDreg x)
 12587  	for {
 12588  		x := v_0
 12589  		if x.Op != OpARM64MOVBUreg {
 12590  			break
 12591  		}
 12592  		v.reset(OpARM64MOVDreg)
 12593  		v.AddArg(x)
 12594  		return true
 12595  	}
 12596  	// match: (MOVWreg x:(MOVHreg _))
 12597  	// result: (MOVDreg x)
 12598  	for {
 12599  		x := v_0
 12600  		if x.Op != OpARM64MOVHreg {
 12601  			break
 12602  		}
 12603  		v.reset(OpARM64MOVDreg)
 12604  		v.AddArg(x)
 12605  		return true
 12606  	}
 12607  	// match: (MOVWreg x:(MOVWreg _))
 12608  	// result: (MOVDreg x)
 12609  	for {
 12610  		x := v_0
 12611  		if x.Op != OpARM64MOVWreg {
 12612  			break
 12613  		}
 12614  		v.reset(OpARM64MOVDreg)
 12615  		v.AddArg(x)
 12616  		return true
 12617  	}
 12618  	// match: (MOVWreg (MOVDconst [c]))
 12619  	// result: (MOVDconst [int64(int32(c))])
 12620  	for {
 12621  		if v_0.Op != OpARM64MOVDconst {
 12622  			break
 12623  		}
 12624  		c := auxIntToInt64(v_0.AuxInt)
 12625  		v.reset(OpARM64MOVDconst)
 12626  		v.AuxInt = int64ToAuxInt(int64(int32(c)))
 12627  		return true
 12628  	}
 12629  	// match: (MOVWreg x)
 12630  	// cond: v.Type.Size() <= 4
 12631  	// result: x
 12632  	for {
 12633  		x := v_0
 12634  		if !(v.Type.Size() <= 4) {
 12635  			break
 12636  		}
 12637  		v.copyOf(x)
 12638  		return true
 12639  	}
 12640  	// match: (MOVWreg <t> (ANDconst x [c]))
 12641  	// cond: uint64(c) & uint64(0xffffffff80000000) == 0
 12642  	// result: (ANDconst <t> x [c])
 12643  	for {
 12644  		t := v.Type
 12645  		if v_0.Op != OpARM64ANDconst {
 12646  			break
 12647  		}
 12648  		c := auxIntToInt64(v_0.AuxInt)
 12649  		x := v_0.Args[0]
 12650  		if !(uint64(c)&uint64(0xffffffff80000000) == 0) {
 12651  			break
 12652  		}
 12653  		v.reset(OpARM64ANDconst)
 12654  		v.Type = t
 12655  		v.AuxInt = int64ToAuxInt(c)
 12656  		v.AddArg(x)
 12657  		return true
 12658  	}
 12659  	// match: (MOVWreg (SLLconst [lc] x))
 12660  	// cond: lc < 32
 12661  	// result: (SBFIZ [armBFAuxInt(lc, 32-lc)] x)
 12662  	for {
 12663  		if v_0.Op != OpARM64SLLconst {
 12664  			break
 12665  		}
 12666  		lc := auxIntToInt64(v_0.AuxInt)
 12667  		x := v_0.Args[0]
 12668  		if !(lc < 32) {
 12669  			break
 12670  		}
 12671  		v.reset(OpARM64SBFIZ)
 12672  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 32-lc))
 12673  		v.AddArg(x)
 12674  		return true
 12675  	}
 12676  	// match: (MOVWreg (SBFX [bfc] x))
 12677  	// cond: bfc.getARM64BFwidth() <= 32
 12678  	// result: (SBFX [bfc] x)
 12679  	for {
 12680  		if v_0.Op != OpARM64SBFX {
 12681  			break
 12682  		}
 12683  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 12684  		x := v_0.Args[0]
 12685  		if !(bfc.getARM64BFwidth() <= 32) {
 12686  			break
 12687  		}
 12688  		v.reset(OpARM64SBFX)
 12689  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 12690  		v.AddArg(x)
 12691  		return true
 12692  	}
 12693  	return false
 12694  }
 12695  func rewriteValueARM64_OpARM64MOVWstore(v *Value) bool {
 12696  	v_2 := v.Args[2]
 12697  	v_1 := v.Args[1]
 12698  	v_0 := v.Args[0]
 12699  	b := v.Block
 12700  	config := b.Func.Config
 12701  	// match: (MOVWstore [off] {sym} ptr (FMOVSfpgp val) mem)
 12702  	// result: (FMOVSstore [off] {sym} ptr val mem)
 12703  	for {
 12704  		off := auxIntToInt32(v.AuxInt)
 12705  		sym := auxToSym(v.Aux)
 12706  		ptr := v_0
 12707  		if v_1.Op != OpARM64FMOVSfpgp {
 12708  			break
 12709  		}
 12710  		val := v_1.Args[0]
 12711  		mem := v_2
 12712  		v.reset(OpARM64FMOVSstore)
 12713  		v.AuxInt = int32ToAuxInt(off)
 12714  		v.Aux = symToAux(sym)
 12715  		v.AddArg3(ptr, val, mem)
 12716  		return true
 12717  	}
 12718  	// match: (MOVWstore [off1] {sym} (ADDconst [off2] ptr) val mem)
 12719  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 12720  	// result: (MOVWstore [off1+int32(off2)] {sym} ptr val mem)
 12721  	for {
 12722  		off1 := auxIntToInt32(v.AuxInt)
 12723  		sym := auxToSym(v.Aux)
 12724  		if v_0.Op != OpARM64ADDconst {
 12725  			break
 12726  		}
 12727  		off2 := auxIntToInt64(v_0.AuxInt)
 12728  		ptr := v_0.Args[0]
 12729  		val := v_1
 12730  		mem := v_2
 12731  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 12732  			break
 12733  		}
 12734  		v.reset(OpARM64MOVWstore)
 12735  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 12736  		v.Aux = symToAux(sym)
 12737  		v.AddArg3(ptr, val, mem)
 12738  		return true
 12739  	}
 12740  	// match: (MOVWstore [off] {sym} (ADD ptr idx) val mem)
 12741  	// cond: off == 0 && sym == nil
 12742  	// result: (MOVWstoreidx ptr idx val mem)
 12743  	for {
 12744  		off := auxIntToInt32(v.AuxInt)
 12745  		sym := auxToSym(v.Aux)
 12746  		if v_0.Op != OpARM64ADD {
 12747  			break
 12748  		}
 12749  		idx := v_0.Args[1]
 12750  		ptr := v_0.Args[0]
 12751  		val := v_1
 12752  		mem := v_2
 12753  		if !(off == 0 && sym == nil) {
 12754  			break
 12755  		}
 12756  		v.reset(OpARM64MOVWstoreidx)
 12757  		v.AddArg4(ptr, idx, val, mem)
 12758  		return true
 12759  	}
 12760  	// match: (MOVWstore [off] {sym} (ADDshiftLL [2] ptr idx) val mem)
 12761  	// cond: off == 0 && sym == nil
 12762  	// result: (MOVWstoreidx4 ptr idx val mem)
 12763  	for {
 12764  		off := auxIntToInt32(v.AuxInt)
 12765  		sym := auxToSym(v.Aux)
 12766  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
 12767  			break
 12768  		}
 12769  		idx := v_0.Args[1]
 12770  		ptr := v_0.Args[0]
 12771  		val := v_1
 12772  		mem := v_2
 12773  		if !(off == 0 && sym == nil) {
 12774  			break
 12775  		}
 12776  		v.reset(OpARM64MOVWstoreidx4)
 12777  		v.AddArg4(ptr, idx, val, mem)
 12778  		return true
 12779  	}
 12780  	// match: (MOVWstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem)
 12781  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 12782  	// result: (MOVWstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem)
 12783  	for {
 12784  		off1 := auxIntToInt32(v.AuxInt)
 12785  		sym1 := auxToSym(v.Aux)
 12786  		if v_0.Op != OpARM64MOVDaddr {
 12787  			break
 12788  		}
 12789  		off2 := auxIntToInt32(v_0.AuxInt)
 12790  		sym2 := auxToSym(v_0.Aux)
 12791  		ptr := v_0.Args[0]
 12792  		val := v_1
 12793  		mem := v_2
 12794  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 12795  			break
 12796  		}
 12797  		v.reset(OpARM64MOVWstore)
 12798  		v.AuxInt = int32ToAuxInt(off1 + off2)
 12799  		v.Aux = symToAux(mergeSym(sym1, sym2))
 12800  		v.AddArg3(ptr, val, mem)
 12801  		return true
 12802  	}
 12803  	// match: (MOVWstore [off] {sym} ptr (MOVDconst [0]) mem)
 12804  	// result: (MOVWstorezero [off] {sym} ptr mem)
 12805  	for {
 12806  		off := auxIntToInt32(v.AuxInt)
 12807  		sym := auxToSym(v.Aux)
 12808  		ptr := v_0
 12809  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
 12810  			break
 12811  		}
 12812  		mem := v_2
 12813  		v.reset(OpARM64MOVWstorezero)
 12814  		v.AuxInt = int32ToAuxInt(off)
 12815  		v.Aux = symToAux(sym)
 12816  		v.AddArg2(ptr, mem)
 12817  		return true
 12818  	}
 12819  	// match: (MOVWstore [off] {sym} ptr (MOVWreg x) mem)
 12820  	// result: (MOVWstore [off] {sym} ptr x mem)
 12821  	for {
 12822  		off := auxIntToInt32(v.AuxInt)
 12823  		sym := auxToSym(v.Aux)
 12824  		ptr := v_0
 12825  		if v_1.Op != OpARM64MOVWreg {
 12826  			break
 12827  		}
 12828  		x := v_1.Args[0]
 12829  		mem := v_2
 12830  		v.reset(OpARM64MOVWstore)
 12831  		v.AuxInt = int32ToAuxInt(off)
 12832  		v.Aux = symToAux(sym)
 12833  		v.AddArg3(ptr, x, mem)
 12834  		return true
 12835  	}
 12836  	// match: (MOVWstore [off] {sym} ptr (MOVWUreg x) mem)
 12837  	// result: (MOVWstore [off] {sym} ptr x mem)
 12838  	for {
 12839  		off := auxIntToInt32(v.AuxInt)
 12840  		sym := auxToSym(v.Aux)
 12841  		ptr := v_0
 12842  		if v_1.Op != OpARM64MOVWUreg {
 12843  			break
 12844  		}
 12845  		x := v_1.Args[0]
 12846  		mem := v_2
 12847  		v.reset(OpARM64MOVWstore)
 12848  		v.AuxInt = int32ToAuxInt(off)
 12849  		v.Aux = symToAux(sym)
 12850  		v.AddArg3(ptr, x, mem)
 12851  		return true
 12852  	}
 12853  	return false
 12854  }
 12855  func rewriteValueARM64_OpARM64MOVWstoreidx(v *Value) bool {
 12856  	v_3 := v.Args[3]
 12857  	v_2 := v.Args[2]
 12858  	v_1 := v.Args[1]
 12859  	v_0 := v.Args[0]
 12860  	// match: (MOVWstoreidx ptr (MOVDconst [c]) val mem)
 12861  	// cond: is32Bit(c)
 12862  	// result: (MOVWstore [int32(c)] ptr val mem)
 12863  	for {
 12864  		ptr := v_0
 12865  		if v_1.Op != OpARM64MOVDconst {
 12866  			break
 12867  		}
 12868  		c := auxIntToInt64(v_1.AuxInt)
 12869  		val := v_2
 12870  		mem := v_3
 12871  		if !(is32Bit(c)) {
 12872  			break
 12873  		}
 12874  		v.reset(OpARM64MOVWstore)
 12875  		v.AuxInt = int32ToAuxInt(int32(c))
 12876  		v.AddArg3(ptr, val, mem)
 12877  		return true
 12878  	}
 12879  	// match: (MOVWstoreidx (MOVDconst [c]) idx val mem)
 12880  	// cond: is32Bit(c)
 12881  	// result: (MOVWstore [int32(c)] idx val mem)
 12882  	for {
 12883  		if v_0.Op != OpARM64MOVDconst {
 12884  			break
 12885  		}
 12886  		c := auxIntToInt64(v_0.AuxInt)
 12887  		idx := v_1
 12888  		val := v_2
 12889  		mem := v_3
 12890  		if !(is32Bit(c)) {
 12891  			break
 12892  		}
 12893  		v.reset(OpARM64MOVWstore)
 12894  		v.AuxInt = int32ToAuxInt(int32(c))
 12895  		v.AddArg3(idx, val, mem)
 12896  		return true
 12897  	}
 12898  	// match: (MOVWstoreidx ptr (SLLconst [2] idx) val mem)
 12899  	// result: (MOVWstoreidx4 ptr idx val mem)
 12900  	for {
 12901  		ptr := v_0
 12902  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
 12903  			break
 12904  		}
 12905  		idx := v_1.Args[0]
 12906  		val := v_2
 12907  		mem := v_3
 12908  		v.reset(OpARM64MOVWstoreidx4)
 12909  		v.AddArg4(ptr, idx, val, mem)
 12910  		return true
 12911  	}
 12912  	// match: (MOVWstoreidx (SLLconst [2] idx) ptr val mem)
 12913  	// result: (MOVWstoreidx4 ptr idx val mem)
 12914  	for {
 12915  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
 12916  			break
 12917  		}
 12918  		idx := v_0.Args[0]
 12919  		ptr := v_1
 12920  		val := v_2
 12921  		mem := v_3
 12922  		v.reset(OpARM64MOVWstoreidx4)
 12923  		v.AddArg4(ptr, idx, val, mem)
 12924  		return true
 12925  	}
 12926  	// match: (MOVWstoreidx ptr idx (MOVDconst [0]) mem)
 12927  	// result: (MOVWstorezeroidx ptr idx mem)
 12928  	for {
 12929  		ptr := v_0
 12930  		idx := v_1
 12931  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
 12932  			break
 12933  		}
 12934  		mem := v_3
 12935  		v.reset(OpARM64MOVWstorezeroidx)
 12936  		v.AddArg3(ptr, idx, mem)
 12937  		return true
 12938  	}
 12939  	// match: (MOVWstoreidx ptr idx (MOVWreg x) mem)
 12940  	// result: (MOVWstoreidx ptr idx x mem)
 12941  	for {
 12942  		ptr := v_0
 12943  		idx := v_1
 12944  		if v_2.Op != OpARM64MOVWreg {
 12945  			break
 12946  		}
 12947  		x := v_2.Args[0]
 12948  		mem := v_3
 12949  		v.reset(OpARM64MOVWstoreidx)
 12950  		v.AddArg4(ptr, idx, x, mem)
 12951  		return true
 12952  	}
 12953  	// match: (MOVWstoreidx ptr idx (MOVWUreg x) mem)
 12954  	// result: (MOVWstoreidx ptr idx x mem)
 12955  	for {
 12956  		ptr := v_0
 12957  		idx := v_1
 12958  		if v_2.Op != OpARM64MOVWUreg {
 12959  			break
 12960  		}
 12961  		x := v_2.Args[0]
 12962  		mem := v_3
 12963  		v.reset(OpARM64MOVWstoreidx)
 12964  		v.AddArg4(ptr, idx, x, mem)
 12965  		return true
 12966  	}
 12967  	return false
 12968  }
 12969  func rewriteValueARM64_OpARM64MOVWstoreidx4(v *Value) bool {
 12970  	v_3 := v.Args[3]
 12971  	v_2 := v.Args[2]
 12972  	v_1 := v.Args[1]
 12973  	v_0 := v.Args[0]
 12974  	// match: (MOVWstoreidx4 ptr (MOVDconst [c]) val mem)
 12975  	// cond: is32Bit(c<<2)
 12976  	// result: (MOVWstore [int32(c)<<2] ptr val mem)
 12977  	for {
 12978  		ptr := v_0
 12979  		if v_1.Op != OpARM64MOVDconst {
 12980  			break
 12981  		}
 12982  		c := auxIntToInt64(v_1.AuxInt)
 12983  		val := v_2
 12984  		mem := v_3
 12985  		if !(is32Bit(c << 2)) {
 12986  			break
 12987  		}
 12988  		v.reset(OpARM64MOVWstore)
 12989  		v.AuxInt = int32ToAuxInt(int32(c) << 2)
 12990  		v.AddArg3(ptr, val, mem)
 12991  		return true
 12992  	}
 12993  	// match: (MOVWstoreidx4 ptr idx (MOVDconst [0]) mem)
 12994  	// result: (MOVWstorezeroidx4 ptr idx mem)
 12995  	for {
 12996  		ptr := v_0
 12997  		idx := v_1
 12998  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
 12999  			break
 13000  		}
 13001  		mem := v_3
 13002  		v.reset(OpARM64MOVWstorezeroidx4)
 13003  		v.AddArg3(ptr, idx, mem)
 13004  		return true
 13005  	}
 13006  	// match: (MOVWstoreidx4 ptr idx (MOVWreg x) mem)
 13007  	// result: (MOVWstoreidx4 ptr idx x mem)
 13008  	for {
 13009  		ptr := v_0
 13010  		idx := v_1
 13011  		if v_2.Op != OpARM64MOVWreg {
 13012  			break
 13013  		}
 13014  		x := v_2.Args[0]
 13015  		mem := v_3
 13016  		v.reset(OpARM64MOVWstoreidx4)
 13017  		v.AddArg4(ptr, idx, x, mem)
 13018  		return true
 13019  	}
 13020  	// match: (MOVWstoreidx4 ptr idx (MOVWUreg x) mem)
 13021  	// result: (MOVWstoreidx4 ptr idx x mem)
 13022  	for {
 13023  		ptr := v_0
 13024  		idx := v_1
 13025  		if v_2.Op != OpARM64MOVWUreg {
 13026  			break
 13027  		}
 13028  		x := v_2.Args[0]
 13029  		mem := v_3
 13030  		v.reset(OpARM64MOVWstoreidx4)
 13031  		v.AddArg4(ptr, idx, x, mem)
 13032  		return true
 13033  	}
 13034  	return false
 13035  }
 13036  func rewriteValueARM64_OpARM64MOVWstorezero(v *Value) bool {
 13037  	v_1 := v.Args[1]
 13038  	v_0 := v.Args[0]
 13039  	b := v.Block
 13040  	config := b.Func.Config
 13041  	// match: (MOVWstorezero [off1] {sym} (ADDconst [off2] ptr) mem)
 13042  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 13043  	// result: (MOVWstorezero [off1+int32(off2)] {sym} ptr mem)
 13044  	for {
 13045  		off1 := auxIntToInt32(v.AuxInt)
 13046  		sym := auxToSym(v.Aux)
 13047  		if v_0.Op != OpARM64ADDconst {
 13048  			break
 13049  		}
 13050  		off2 := auxIntToInt64(v_0.AuxInt)
 13051  		ptr := v_0.Args[0]
 13052  		mem := v_1
 13053  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 13054  			break
 13055  		}
 13056  		v.reset(OpARM64MOVWstorezero)
 13057  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 13058  		v.Aux = symToAux(sym)
 13059  		v.AddArg2(ptr, mem)
 13060  		return true
 13061  	}
 13062  	// match: (MOVWstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem)
 13063  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 13064  	// result: (MOVWstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem)
 13065  	for {
 13066  		off1 := auxIntToInt32(v.AuxInt)
 13067  		sym1 := auxToSym(v.Aux)
 13068  		if v_0.Op != OpARM64MOVDaddr {
 13069  			break
 13070  		}
 13071  		off2 := auxIntToInt32(v_0.AuxInt)
 13072  		sym2 := auxToSym(v_0.Aux)
 13073  		ptr := v_0.Args[0]
 13074  		mem := v_1
 13075  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 13076  			break
 13077  		}
 13078  		v.reset(OpARM64MOVWstorezero)
 13079  		v.AuxInt = int32ToAuxInt(off1 + off2)
 13080  		v.Aux = symToAux(mergeSym(sym1, sym2))
 13081  		v.AddArg2(ptr, mem)
 13082  		return true
 13083  	}
 13084  	// match: (MOVWstorezero [off] {sym} (ADD ptr idx) mem)
 13085  	// cond: off == 0 && sym == nil
 13086  	// result: (MOVWstorezeroidx ptr idx mem)
 13087  	for {
 13088  		off := auxIntToInt32(v.AuxInt)
 13089  		sym := auxToSym(v.Aux)
 13090  		if v_0.Op != OpARM64ADD {
 13091  			break
 13092  		}
 13093  		idx := v_0.Args[1]
 13094  		ptr := v_0.Args[0]
 13095  		mem := v_1
 13096  		if !(off == 0 && sym == nil) {
 13097  			break
 13098  		}
 13099  		v.reset(OpARM64MOVWstorezeroidx)
 13100  		v.AddArg3(ptr, idx, mem)
 13101  		return true
 13102  	}
 13103  	// match: (MOVWstorezero [off] {sym} (ADDshiftLL [2] ptr idx) mem)
 13104  	// cond: off == 0 && sym == nil
 13105  	// result: (MOVWstorezeroidx4 ptr idx mem)
 13106  	for {
 13107  		off := auxIntToInt32(v.AuxInt)
 13108  		sym := auxToSym(v.Aux)
 13109  		if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 {
 13110  			break
 13111  		}
 13112  		idx := v_0.Args[1]
 13113  		ptr := v_0.Args[0]
 13114  		mem := v_1
 13115  		if !(off == 0 && sym == nil) {
 13116  			break
 13117  		}
 13118  		v.reset(OpARM64MOVWstorezeroidx4)
 13119  		v.AddArg3(ptr, idx, mem)
 13120  		return true
 13121  	}
 13122  	return false
 13123  }
 13124  func rewriteValueARM64_OpARM64MOVWstorezeroidx(v *Value) bool {
 13125  	v_2 := v.Args[2]
 13126  	v_1 := v.Args[1]
 13127  	v_0 := v.Args[0]
 13128  	// match: (MOVWstorezeroidx ptr (MOVDconst [c]) mem)
 13129  	// cond: is32Bit(c)
 13130  	// result: (MOVWstorezero [int32(c)] ptr mem)
 13131  	for {
 13132  		ptr := v_0
 13133  		if v_1.Op != OpARM64MOVDconst {
 13134  			break
 13135  		}
 13136  		c := auxIntToInt64(v_1.AuxInt)
 13137  		mem := v_2
 13138  		if !(is32Bit(c)) {
 13139  			break
 13140  		}
 13141  		v.reset(OpARM64MOVWstorezero)
 13142  		v.AuxInt = int32ToAuxInt(int32(c))
 13143  		v.AddArg2(ptr, mem)
 13144  		return true
 13145  	}
 13146  	// match: (MOVWstorezeroidx (MOVDconst [c]) idx mem)
 13147  	// cond: is32Bit(c)
 13148  	// result: (MOVWstorezero [int32(c)] idx mem)
 13149  	for {
 13150  		if v_0.Op != OpARM64MOVDconst {
 13151  			break
 13152  		}
 13153  		c := auxIntToInt64(v_0.AuxInt)
 13154  		idx := v_1
 13155  		mem := v_2
 13156  		if !(is32Bit(c)) {
 13157  			break
 13158  		}
 13159  		v.reset(OpARM64MOVWstorezero)
 13160  		v.AuxInt = int32ToAuxInt(int32(c))
 13161  		v.AddArg2(idx, mem)
 13162  		return true
 13163  	}
 13164  	// match: (MOVWstorezeroidx ptr (SLLconst [2] idx) mem)
 13165  	// result: (MOVWstorezeroidx4 ptr idx mem)
 13166  	for {
 13167  		ptr := v_0
 13168  		if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 {
 13169  			break
 13170  		}
 13171  		idx := v_1.Args[0]
 13172  		mem := v_2
 13173  		v.reset(OpARM64MOVWstorezeroidx4)
 13174  		v.AddArg3(ptr, idx, mem)
 13175  		return true
 13176  	}
 13177  	// match: (MOVWstorezeroidx (SLLconst [2] idx) ptr mem)
 13178  	// result: (MOVWstorezeroidx4 ptr idx mem)
 13179  	for {
 13180  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 {
 13181  			break
 13182  		}
 13183  		idx := v_0.Args[0]
 13184  		ptr := v_1
 13185  		mem := v_2
 13186  		v.reset(OpARM64MOVWstorezeroidx4)
 13187  		v.AddArg3(ptr, idx, mem)
 13188  		return true
 13189  	}
 13190  	return false
 13191  }
 13192  func rewriteValueARM64_OpARM64MOVWstorezeroidx4(v *Value) bool {
 13193  	v_2 := v.Args[2]
 13194  	v_1 := v.Args[1]
 13195  	v_0 := v.Args[0]
 13196  	// match: (MOVWstorezeroidx4 ptr (MOVDconst [c]) mem)
 13197  	// cond: is32Bit(c<<2)
 13198  	// result: (MOVWstorezero [int32(c<<2)] ptr mem)
 13199  	for {
 13200  		ptr := v_0
 13201  		if v_1.Op != OpARM64MOVDconst {
 13202  			break
 13203  		}
 13204  		c := auxIntToInt64(v_1.AuxInt)
 13205  		mem := v_2
 13206  		if !(is32Bit(c << 2)) {
 13207  			break
 13208  		}
 13209  		v.reset(OpARM64MOVWstorezero)
 13210  		v.AuxInt = int32ToAuxInt(int32(c << 2))
 13211  		v.AddArg2(ptr, mem)
 13212  		return true
 13213  	}
 13214  	return false
 13215  }
 13216  func rewriteValueARM64_OpARM64MSUB(v *Value) bool {
 13217  	v_2 := v.Args[2]
 13218  	v_1 := v.Args[1]
 13219  	v_0 := v.Args[0]
 13220  	b := v.Block
 13221  	// match: (MSUB a x (MOVDconst [-1]))
 13222  	// result: (ADD a x)
 13223  	for {
 13224  		a := v_0
 13225  		x := v_1
 13226  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != -1 {
 13227  			break
 13228  		}
 13229  		v.reset(OpARM64ADD)
 13230  		v.AddArg2(a, x)
 13231  		return true
 13232  	}
 13233  	// match: (MSUB a _ (MOVDconst [0]))
 13234  	// result: a
 13235  	for {
 13236  		a := v_0
 13237  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
 13238  			break
 13239  		}
 13240  		v.copyOf(a)
 13241  		return true
 13242  	}
 13243  	// match: (MSUB a x (MOVDconst [1]))
 13244  	// result: (SUB a x)
 13245  	for {
 13246  		a := v_0
 13247  		x := v_1
 13248  		if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 1 {
 13249  			break
 13250  		}
 13251  		v.reset(OpARM64SUB)
 13252  		v.AddArg2(a, x)
 13253  		return true
 13254  	}
 13255  	// match: (MSUB a x (MOVDconst [c]))
 13256  	// cond: isPowerOfTwo64(c)
 13257  	// result: (SUBshiftLL a x [log64(c)])
 13258  	for {
 13259  		a := v_0
 13260  		x := v_1
 13261  		if v_2.Op != OpARM64MOVDconst {
 13262  			break
 13263  		}
 13264  		c := auxIntToInt64(v_2.AuxInt)
 13265  		if !(isPowerOfTwo64(c)) {
 13266  			break
 13267  		}
 13268  		v.reset(OpARM64SUBshiftLL)
 13269  		v.AuxInt = int64ToAuxInt(log64(c))
 13270  		v.AddArg2(a, x)
 13271  		return true
 13272  	}
 13273  	// match: (MSUB a x (MOVDconst [c]))
 13274  	// cond: isPowerOfTwo64(c-1) && c>=3
 13275  	// result: (SUB a (ADDshiftLL <x.Type> x x [log64(c-1)]))
 13276  	for {
 13277  		a := v_0
 13278  		x := v_1
 13279  		if v_2.Op != OpARM64MOVDconst {
 13280  			break
 13281  		}
 13282  		c := auxIntToInt64(v_2.AuxInt)
 13283  		if !(isPowerOfTwo64(c-1) && c >= 3) {
 13284  			break
 13285  		}
 13286  		v.reset(OpARM64SUB)
 13287  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13288  		v0.AuxInt = int64ToAuxInt(log64(c - 1))
 13289  		v0.AddArg2(x, x)
 13290  		v.AddArg2(a, v0)
 13291  		return true
 13292  	}
 13293  	// match: (MSUB a x (MOVDconst [c]))
 13294  	// cond: isPowerOfTwo64(c+1) && c>=7
 13295  	// result: (ADD a (SUBshiftLL <x.Type> x x [log64(c+1)]))
 13296  	for {
 13297  		a := v_0
 13298  		x := v_1
 13299  		if v_2.Op != OpARM64MOVDconst {
 13300  			break
 13301  		}
 13302  		c := auxIntToInt64(v_2.AuxInt)
 13303  		if !(isPowerOfTwo64(c+1) && c >= 7) {
 13304  			break
 13305  		}
 13306  		v.reset(OpARM64ADD)
 13307  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13308  		v0.AuxInt = int64ToAuxInt(log64(c + 1))
 13309  		v0.AddArg2(x, x)
 13310  		v.AddArg2(a, v0)
 13311  		return true
 13312  	}
 13313  	// match: (MSUB a x (MOVDconst [c]))
 13314  	// cond: c%3 == 0 && isPowerOfTwo64(c/3)
 13315  	// result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)])
 13316  	for {
 13317  		a := v_0
 13318  		x := v_1
 13319  		if v_2.Op != OpARM64MOVDconst {
 13320  			break
 13321  		}
 13322  		c := auxIntToInt64(v_2.AuxInt)
 13323  		if !(c%3 == 0 && isPowerOfTwo64(c/3)) {
 13324  			break
 13325  		}
 13326  		v.reset(OpARM64ADDshiftLL)
 13327  		v.AuxInt = int64ToAuxInt(log64(c / 3))
 13328  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13329  		v0.AuxInt = int64ToAuxInt(2)
 13330  		v0.AddArg2(x, x)
 13331  		v.AddArg2(a, v0)
 13332  		return true
 13333  	}
 13334  	// match: (MSUB a x (MOVDconst [c]))
 13335  	// cond: c%5 == 0 && isPowerOfTwo64(c/5)
 13336  	// result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)])
 13337  	for {
 13338  		a := v_0
 13339  		x := v_1
 13340  		if v_2.Op != OpARM64MOVDconst {
 13341  			break
 13342  		}
 13343  		c := auxIntToInt64(v_2.AuxInt)
 13344  		if !(c%5 == 0 && isPowerOfTwo64(c/5)) {
 13345  			break
 13346  		}
 13347  		v.reset(OpARM64SUBshiftLL)
 13348  		v.AuxInt = int64ToAuxInt(log64(c / 5))
 13349  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13350  		v0.AuxInt = int64ToAuxInt(2)
 13351  		v0.AddArg2(x, x)
 13352  		v.AddArg2(a, v0)
 13353  		return true
 13354  	}
 13355  	// match: (MSUB a x (MOVDconst [c]))
 13356  	// cond: c%7 == 0 && isPowerOfTwo64(c/7)
 13357  	// result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)])
 13358  	for {
 13359  		a := v_0
 13360  		x := v_1
 13361  		if v_2.Op != OpARM64MOVDconst {
 13362  			break
 13363  		}
 13364  		c := auxIntToInt64(v_2.AuxInt)
 13365  		if !(c%7 == 0 && isPowerOfTwo64(c/7)) {
 13366  			break
 13367  		}
 13368  		v.reset(OpARM64ADDshiftLL)
 13369  		v.AuxInt = int64ToAuxInt(log64(c / 7))
 13370  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13371  		v0.AuxInt = int64ToAuxInt(3)
 13372  		v0.AddArg2(x, x)
 13373  		v.AddArg2(a, v0)
 13374  		return true
 13375  	}
 13376  	// match: (MSUB a x (MOVDconst [c]))
 13377  	// cond: c%9 == 0 && isPowerOfTwo64(c/9)
 13378  	// result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)])
 13379  	for {
 13380  		a := v_0
 13381  		x := v_1
 13382  		if v_2.Op != OpARM64MOVDconst {
 13383  			break
 13384  		}
 13385  		c := auxIntToInt64(v_2.AuxInt)
 13386  		if !(c%9 == 0 && isPowerOfTwo64(c/9)) {
 13387  			break
 13388  		}
 13389  		v.reset(OpARM64SUBshiftLL)
 13390  		v.AuxInt = int64ToAuxInt(log64(c / 9))
 13391  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13392  		v0.AuxInt = int64ToAuxInt(3)
 13393  		v0.AddArg2(x, x)
 13394  		v.AddArg2(a, v0)
 13395  		return true
 13396  	}
 13397  	// match: (MSUB a (MOVDconst [-1]) x)
 13398  	// result: (ADD a x)
 13399  	for {
 13400  		a := v_0
 13401  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 {
 13402  			break
 13403  		}
 13404  		x := v_2
 13405  		v.reset(OpARM64ADD)
 13406  		v.AddArg2(a, x)
 13407  		return true
 13408  	}
 13409  	// match: (MSUB a (MOVDconst [0]) _)
 13410  	// result: a
 13411  	for {
 13412  		a := v_0
 13413  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
 13414  			break
 13415  		}
 13416  		v.copyOf(a)
 13417  		return true
 13418  	}
 13419  	// match: (MSUB a (MOVDconst [1]) x)
 13420  	// result: (SUB a x)
 13421  	for {
 13422  		a := v_0
 13423  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 13424  			break
 13425  		}
 13426  		x := v_2
 13427  		v.reset(OpARM64SUB)
 13428  		v.AddArg2(a, x)
 13429  		return true
 13430  	}
 13431  	// match: (MSUB a (MOVDconst [c]) x)
 13432  	// cond: isPowerOfTwo64(c)
 13433  	// result: (SUBshiftLL a x [log64(c)])
 13434  	for {
 13435  		a := v_0
 13436  		if v_1.Op != OpARM64MOVDconst {
 13437  			break
 13438  		}
 13439  		c := auxIntToInt64(v_1.AuxInt)
 13440  		x := v_2
 13441  		if !(isPowerOfTwo64(c)) {
 13442  			break
 13443  		}
 13444  		v.reset(OpARM64SUBshiftLL)
 13445  		v.AuxInt = int64ToAuxInt(log64(c))
 13446  		v.AddArg2(a, x)
 13447  		return true
 13448  	}
 13449  	// match: (MSUB a (MOVDconst [c]) x)
 13450  	// cond: isPowerOfTwo64(c-1) && c>=3
 13451  	// result: (SUB a (ADDshiftLL <x.Type> x x [log64(c-1)]))
 13452  	for {
 13453  		a := v_0
 13454  		if v_1.Op != OpARM64MOVDconst {
 13455  			break
 13456  		}
 13457  		c := auxIntToInt64(v_1.AuxInt)
 13458  		x := v_2
 13459  		if !(isPowerOfTwo64(c-1) && c >= 3) {
 13460  			break
 13461  		}
 13462  		v.reset(OpARM64SUB)
 13463  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13464  		v0.AuxInt = int64ToAuxInt(log64(c - 1))
 13465  		v0.AddArg2(x, x)
 13466  		v.AddArg2(a, v0)
 13467  		return true
 13468  	}
 13469  	// match: (MSUB a (MOVDconst [c]) x)
 13470  	// cond: isPowerOfTwo64(c+1) && c>=7
 13471  	// result: (ADD a (SUBshiftLL <x.Type> x x [log64(c+1)]))
 13472  	for {
 13473  		a := v_0
 13474  		if v_1.Op != OpARM64MOVDconst {
 13475  			break
 13476  		}
 13477  		c := auxIntToInt64(v_1.AuxInt)
 13478  		x := v_2
 13479  		if !(isPowerOfTwo64(c+1) && c >= 7) {
 13480  			break
 13481  		}
 13482  		v.reset(OpARM64ADD)
 13483  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13484  		v0.AuxInt = int64ToAuxInt(log64(c + 1))
 13485  		v0.AddArg2(x, x)
 13486  		v.AddArg2(a, v0)
 13487  		return true
 13488  	}
 13489  	// match: (MSUB a (MOVDconst [c]) x)
 13490  	// cond: c%3 == 0 && isPowerOfTwo64(c/3)
 13491  	// result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)])
 13492  	for {
 13493  		a := v_0
 13494  		if v_1.Op != OpARM64MOVDconst {
 13495  			break
 13496  		}
 13497  		c := auxIntToInt64(v_1.AuxInt)
 13498  		x := v_2
 13499  		if !(c%3 == 0 && isPowerOfTwo64(c/3)) {
 13500  			break
 13501  		}
 13502  		v.reset(OpARM64ADDshiftLL)
 13503  		v.AuxInt = int64ToAuxInt(log64(c / 3))
 13504  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13505  		v0.AuxInt = int64ToAuxInt(2)
 13506  		v0.AddArg2(x, x)
 13507  		v.AddArg2(a, v0)
 13508  		return true
 13509  	}
 13510  	// match: (MSUB a (MOVDconst [c]) x)
 13511  	// cond: c%5 == 0 && isPowerOfTwo64(c/5)
 13512  	// result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)])
 13513  	for {
 13514  		a := v_0
 13515  		if v_1.Op != OpARM64MOVDconst {
 13516  			break
 13517  		}
 13518  		c := auxIntToInt64(v_1.AuxInt)
 13519  		x := v_2
 13520  		if !(c%5 == 0 && isPowerOfTwo64(c/5)) {
 13521  			break
 13522  		}
 13523  		v.reset(OpARM64SUBshiftLL)
 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.AddArg2(a, v0)
 13529  		return true
 13530  	}
 13531  	// match: (MSUB a (MOVDconst [c]) x)
 13532  	// cond: c%7 == 0 && isPowerOfTwo64(c/7)
 13533  	// result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)])
 13534  	for {
 13535  		a := v_0
 13536  		if v_1.Op != OpARM64MOVDconst {
 13537  			break
 13538  		}
 13539  		c := auxIntToInt64(v_1.AuxInt)
 13540  		x := v_2
 13541  		if !(c%7 == 0 && isPowerOfTwo64(c/7)) {
 13542  			break
 13543  		}
 13544  		v.reset(OpARM64ADDshiftLL)
 13545  		v.AuxInt = int64ToAuxInt(log64(c / 7))
 13546  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13547  		v0.AuxInt = int64ToAuxInt(3)
 13548  		v0.AddArg2(x, x)
 13549  		v.AddArg2(a, v0)
 13550  		return true
 13551  	}
 13552  	// match: (MSUB a (MOVDconst [c]) x)
 13553  	// cond: c%9 == 0 && isPowerOfTwo64(c/9)
 13554  	// result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)])
 13555  	for {
 13556  		a := v_0
 13557  		if v_1.Op != OpARM64MOVDconst {
 13558  			break
 13559  		}
 13560  		c := auxIntToInt64(v_1.AuxInt)
 13561  		x := v_2
 13562  		if !(c%9 == 0 && isPowerOfTwo64(c/9)) {
 13563  			break
 13564  		}
 13565  		v.reset(OpARM64SUBshiftLL)
 13566  		v.AuxInt = int64ToAuxInt(log64(c / 9))
 13567  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13568  		v0.AuxInt = int64ToAuxInt(3)
 13569  		v0.AddArg2(x, x)
 13570  		v.AddArg2(a, v0)
 13571  		return true
 13572  	}
 13573  	// match: (MSUB (MOVDconst [c]) x y)
 13574  	// result: (ADDconst [c] (MNEG <x.Type> x y))
 13575  	for {
 13576  		if v_0.Op != OpARM64MOVDconst {
 13577  			break
 13578  		}
 13579  		c := auxIntToInt64(v_0.AuxInt)
 13580  		x := v_1
 13581  		y := v_2
 13582  		v.reset(OpARM64ADDconst)
 13583  		v.AuxInt = int64ToAuxInt(c)
 13584  		v0 := b.NewValue0(v.Pos, OpARM64MNEG, x.Type)
 13585  		v0.AddArg2(x, y)
 13586  		v.AddArg(v0)
 13587  		return true
 13588  	}
 13589  	// match: (MSUB a (MOVDconst [c]) (MOVDconst [d]))
 13590  	// result: (SUBconst [c*d] a)
 13591  	for {
 13592  		a := v_0
 13593  		if v_1.Op != OpARM64MOVDconst {
 13594  			break
 13595  		}
 13596  		c := auxIntToInt64(v_1.AuxInt)
 13597  		if v_2.Op != OpARM64MOVDconst {
 13598  			break
 13599  		}
 13600  		d := auxIntToInt64(v_2.AuxInt)
 13601  		v.reset(OpARM64SUBconst)
 13602  		v.AuxInt = int64ToAuxInt(c * d)
 13603  		v.AddArg(a)
 13604  		return true
 13605  	}
 13606  	return false
 13607  }
 13608  func rewriteValueARM64_OpARM64MSUBW(v *Value) bool {
 13609  	v_2 := v.Args[2]
 13610  	v_1 := v.Args[1]
 13611  	v_0 := v.Args[0]
 13612  	b := v.Block
 13613  	// match: (MSUBW a x (MOVDconst [c]))
 13614  	// cond: int32(c)==-1
 13615  	// result: (MOVWUreg (ADD <a.Type> a x))
 13616  	for {
 13617  		a := v_0
 13618  		x := v_1
 13619  		if v_2.Op != OpARM64MOVDconst {
 13620  			break
 13621  		}
 13622  		c := auxIntToInt64(v_2.AuxInt)
 13623  		if !(int32(c) == -1) {
 13624  			break
 13625  		}
 13626  		v.reset(OpARM64MOVWUreg)
 13627  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
 13628  		v0.AddArg2(a, x)
 13629  		v.AddArg(v0)
 13630  		return true
 13631  	}
 13632  	// match: (MSUBW a _ (MOVDconst [c]))
 13633  	// cond: int32(c)==0
 13634  	// result: (MOVWUreg a)
 13635  	for {
 13636  		a := v_0
 13637  		if v_2.Op != OpARM64MOVDconst {
 13638  			break
 13639  		}
 13640  		c := auxIntToInt64(v_2.AuxInt)
 13641  		if !(int32(c) == 0) {
 13642  			break
 13643  		}
 13644  		v.reset(OpARM64MOVWUreg)
 13645  		v.AddArg(a)
 13646  		return true
 13647  	}
 13648  	// match: (MSUBW a x (MOVDconst [c]))
 13649  	// cond: int32(c)==1
 13650  	// result: (MOVWUreg (SUB <a.Type> a x))
 13651  	for {
 13652  		a := v_0
 13653  		x := v_1
 13654  		if v_2.Op != OpARM64MOVDconst {
 13655  			break
 13656  		}
 13657  		c := auxIntToInt64(v_2.AuxInt)
 13658  		if !(int32(c) == 1) {
 13659  			break
 13660  		}
 13661  		v.reset(OpARM64MOVWUreg)
 13662  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
 13663  		v0.AddArg2(a, x)
 13664  		v.AddArg(v0)
 13665  		return true
 13666  	}
 13667  	// match: (MSUBW a x (MOVDconst [c]))
 13668  	// cond: isPowerOfTwo64(c)
 13669  	// result: (MOVWUreg (SUBshiftLL <a.Type> a x [log64(c)]))
 13670  	for {
 13671  		a := v_0
 13672  		x := v_1
 13673  		if v_2.Op != OpARM64MOVDconst {
 13674  			break
 13675  		}
 13676  		c := auxIntToInt64(v_2.AuxInt)
 13677  		if !(isPowerOfTwo64(c)) {
 13678  			break
 13679  		}
 13680  		v.reset(OpARM64MOVWUreg)
 13681  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13682  		v0.AuxInt = int64ToAuxInt(log64(c))
 13683  		v0.AddArg2(a, x)
 13684  		v.AddArg(v0)
 13685  		return true
 13686  	}
 13687  	// match: (MSUBW a x (MOVDconst [c]))
 13688  	// cond: isPowerOfTwo64(c-1) && int32(c)>=3
 13689  	// result: (MOVWUreg (SUB <a.Type> a (ADDshiftLL <x.Type> x x [log64(c-1)])))
 13690  	for {
 13691  		a := v_0
 13692  		x := v_1
 13693  		if v_2.Op != OpARM64MOVDconst {
 13694  			break
 13695  		}
 13696  		c := auxIntToInt64(v_2.AuxInt)
 13697  		if !(isPowerOfTwo64(c-1) && int32(c) >= 3) {
 13698  			break
 13699  		}
 13700  		v.reset(OpARM64MOVWUreg)
 13701  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
 13702  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13703  		v1.AuxInt = int64ToAuxInt(log64(c - 1))
 13704  		v1.AddArg2(x, x)
 13705  		v0.AddArg2(a, v1)
 13706  		v.AddArg(v0)
 13707  		return true
 13708  	}
 13709  	// match: (MSUBW a x (MOVDconst [c]))
 13710  	// cond: isPowerOfTwo64(c+1) && int32(c)>=7
 13711  	// result: (MOVWUreg (ADD <a.Type> a (SUBshiftLL <x.Type> x x [log64(c+1)])))
 13712  	for {
 13713  		a := v_0
 13714  		x := v_1
 13715  		if v_2.Op != OpARM64MOVDconst {
 13716  			break
 13717  		}
 13718  		c := auxIntToInt64(v_2.AuxInt)
 13719  		if !(isPowerOfTwo64(c+1) && int32(c) >= 7) {
 13720  			break
 13721  		}
 13722  		v.reset(OpARM64MOVWUreg)
 13723  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
 13724  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13725  		v1.AuxInt = int64ToAuxInt(log64(c + 1))
 13726  		v1.AddArg2(x, x)
 13727  		v0.AddArg2(a, v1)
 13728  		v.AddArg(v0)
 13729  		return true
 13730  	}
 13731  	// match: (MSUBW a x (MOVDconst [c]))
 13732  	// cond: c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)
 13733  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]))
 13734  	for {
 13735  		a := v_0
 13736  		x := v_1
 13737  		if v_2.Op != OpARM64MOVDconst {
 13738  			break
 13739  		}
 13740  		c := auxIntToInt64(v_2.AuxInt)
 13741  		if !(c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)) {
 13742  			break
 13743  		}
 13744  		v.reset(OpARM64MOVWUreg)
 13745  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
 13746  		v0.AuxInt = int64ToAuxInt(log64(c / 3))
 13747  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13748  		v1.AuxInt = int64ToAuxInt(2)
 13749  		v1.AddArg2(x, x)
 13750  		v0.AddArg2(a, v1)
 13751  		v.AddArg(v0)
 13752  		return true
 13753  	}
 13754  	// match: (MSUBW a x (MOVDconst [c]))
 13755  	// cond: c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)
 13756  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]))
 13757  	for {
 13758  		a := v_0
 13759  		x := v_1
 13760  		if v_2.Op != OpARM64MOVDconst {
 13761  			break
 13762  		}
 13763  		c := auxIntToInt64(v_2.AuxInt)
 13764  		if !(c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)) {
 13765  			break
 13766  		}
 13767  		v.reset(OpARM64MOVWUreg)
 13768  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13769  		v0.AuxInt = int64ToAuxInt(log64(c / 5))
 13770  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13771  		v1.AuxInt = int64ToAuxInt(2)
 13772  		v1.AddArg2(x, x)
 13773  		v0.AddArg2(a, v1)
 13774  		v.AddArg(v0)
 13775  		return true
 13776  	}
 13777  	// match: (MSUBW a x (MOVDconst [c]))
 13778  	// cond: c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)
 13779  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]))
 13780  	for {
 13781  		a := v_0
 13782  		x := v_1
 13783  		if v_2.Op != OpARM64MOVDconst {
 13784  			break
 13785  		}
 13786  		c := auxIntToInt64(v_2.AuxInt)
 13787  		if !(c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)) {
 13788  			break
 13789  		}
 13790  		v.reset(OpARM64MOVWUreg)
 13791  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
 13792  		v0.AuxInt = int64ToAuxInt(log64(c / 7))
 13793  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13794  		v1.AuxInt = int64ToAuxInt(3)
 13795  		v1.AddArg2(x, x)
 13796  		v0.AddArg2(a, v1)
 13797  		v.AddArg(v0)
 13798  		return true
 13799  	}
 13800  	// match: (MSUBW a x (MOVDconst [c]))
 13801  	// cond: c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)
 13802  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]))
 13803  	for {
 13804  		a := v_0
 13805  		x := v_1
 13806  		if v_2.Op != OpARM64MOVDconst {
 13807  			break
 13808  		}
 13809  		c := auxIntToInt64(v_2.AuxInt)
 13810  		if !(c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)) {
 13811  			break
 13812  		}
 13813  		v.reset(OpARM64MOVWUreg)
 13814  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13815  		v0.AuxInt = int64ToAuxInt(log64(c / 9))
 13816  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13817  		v1.AuxInt = int64ToAuxInt(3)
 13818  		v1.AddArg2(x, x)
 13819  		v0.AddArg2(a, v1)
 13820  		v.AddArg(v0)
 13821  		return true
 13822  	}
 13823  	// match: (MSUBW a (MOVDconst [c]) x)
 13824  	// cond: int32(c)==-1
 13825  	// result: (MOVWUreg (ADD <a.Type> a x))
 13826  	for {
 13827  		a := v_0
 13828  		if v_1.Op != OpARM64MOVDconst {
 13829  			break
 13830  		}
 13831  		c := auxIntToInt64(v_1.AuxInt)
 13832  		x := v_2
 13833  		if !(int32(c) == -1) {
 13834  			break
 13835  		}
 13836  		v.reset(OpARM64MOVWUreg)
 13837  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
 13838  		v0.AddArg2(a, x)
 13839  		v.AddArg(v0)
 13840  		return true
 13841  	}
 13842  	// match: (MSUBW a (MOVDconst [c]) _)
 13843  	// cond: int32(c)==0
 13844  	// result: (MOVWUreg a)
 13845  	for {
 13846  		a := v_0
 13847  		if v_1.Op != OpARM64MOVDconst {
 13848  			break
 13849  		}
 13850  		c := auxIntToInt64(v_1.AuxInt)
 13851  		if !(int32(c) == 0) {
 13852  			break
 13853  		}
 13854  		v.reset(OpARM64MOVWUreg)
 13855  		v.AddArg(a)
 13856  		return true
 13857  	}
 13858  	// match: (MSUBW a (MOVDconst [c]) x)
 13859  	// cond: int32(c)==1
 13860  	// result: (MOVWUreg (SUB <a.Type> a x))
 13861  	for {
 13862  		a := v_0
 13863  		if v_1.Op != OpARM64MOVDconst {
 13864  			break
 13865  		}
 13866  		c := auxIntToInt64(v_1.AuxInt)
 13867  		x := v_2
 13868  		if !(int32(c) == 1) {
 13869  			break
 13870  		}
 13871  		v.reset(OpARM64MOVWUreg)
 13872  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
 13873  		v0.AddArg2(a, x)
 13874  		v.AddArg(v0)
 13875  		return true
 13876  	}
 13877  	// match: (MSUBW a (MOVDconst [c]) x)
 13878  	// cond: isPowerOfTwo64(c)
 13879  	// result: (MOVWUreg (SUBshiftLL <a.Type> a x [log64(c)]))
 13880  	for {
 13881  		a := v_0
 13882  		if v_1.Op != OpARM64MOVDconst {
 13883  			break
 13884  		}
 13885  		c := auxIntToInt64(v_1.AuxInt)
 13886  		x := v_2
 13887  		if !(isPowerOfTwo64(c)) {
 13888  			break
 13889  		}
 13890  		v.reset(OpARM64MOVWUreg)
 13891  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13892  		v0.AuxInt = int64ToAuxInt(log64(c))
 13893  		v0.AddArg2(a, x)
 13894  		v.AddArg(v0)
 13895  		return true
 13896  	}
 13897  	// match: (MSUBW a (MOVDconst [c]) x)
 13898  	// cond: isPowerOfTwo64(c-1) && int32(c)>=3
 13899  	// result: (MOVWUreg (SUB <a.Type> a (ADDshiftLL <x.Type> x x [log64(c-1)])))
 13900  	for {
 13901  		a := v_0
 13902  		if v_1.Op != OpARM64MOVDconst {
 13903  			break
 13904  		}
 13905  		c := auxIntToInt64(v_1.AuxInt)
 13906  		x := v_2
 13907  		if !(isPowerOfTwo64(c-1) && int32(c) >= 3) {
 13908  			break
 13909  		}
 13910  		v.reset(OpARM64MOVWUreg)
 13911  		v0 := b.NewValue0(v.Pos, OpARM64SUB, a.Type)
 13912  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13913  		v1.AuxInt = int64ToAuxInt(log64(c - 1))
 13914  		v1.AddArg2(x, x)
 13915  		v0.AddArg2(a, v1)
 13916  		v.AddArg(v0)
 13917  		return true
 13918  	}
 13919  	// match: (MSUBW a (MOVDconst [c]) x)
 13920  	// cond: isPowerOfTwo64(c+1) && int32(c)>=7
 13921  	// result: (MOVWUreg (ADD <a.Type> a (SUBshiftLL <x.Type> x x [log64(c+1)])))
 13922  	for {
 13923  		a := v_0
 13924  		if v_1.Op != OpARM64MOVDconst {
 13925  			break
 13926  		}
 13927  		c := auxIntToInt64(v_1.AuxInt)
 13928  		x := v_2
 13929  		if !(isPowerOfTwo64(c+1) && int32(c) >= 7) {
 13930  			break
 13931  		}
 13932  		v.reset(OpARM64MOVWUreg)
 13933  		v0 := b.NewValue0(v.Pos, OpARM64ADD, a.Type)
 13934  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13935  		v1.AuxInt = int64ToAuxInt(log64(c + 1))
 13936  		v1.AddArg2(x, x)
 13937  		v0.AddArg2(a, v1)
 13938  		v.AddArg(v0)
 13939  		return true
 13940  	}
 13941  	// match: (MSUBW a (MOVDconst [c]) x)
 13942  	// cond: c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)
 13943  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]))
 13944  	for {
 13945  		a := v_0
 13946  		if v_1.Op != OpARM64MOVDconst {
 13947  			break
 13948  		}
 13949  		c := auxIntToInt64(v_1.AuxInt)
 13950  		x := v_2
 13951  		if !(c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)) {
 13952  			break
 13953  		}
 13954  		v.reset(OpARM64MOVWUreg)
 13955  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
 13956  		v0.AuxInt = int64ToAuxInt(log64(c / 3))
 13957  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 13958  		v1.AuxInt = int64ToAuxInt(2)
 13959  		v1.AddArg2(x, x)
 13960  		v0.AddArg2(a, v1)
 13961  		v.AddArg(v0)
 13962  		return true
 13963  	}
 13964  	// match: (MSUBW a (MOVDconst [c]) x)
 13965  	// cond: c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)
 13966  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]))
 13967  	for {
 13968  		a := v_0
 13969  		if v_1.Op != OpARM64MOVDconst {
 13970  			break
 13971  		}
 13972  		c := auxIntToInt64(v_1.AuxInt)
 13973  		x := v_2
 13974  		if !(c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)) {
 13975  			break
 13976  		}
 13977  		v.reset(OpARM64MOVWUreg)
 13978  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 13979  		v0.AuxInt = int64ToAuxInt(log64(c / 5))
 13980  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 13981  		v1.AuxInt = int64ToAuxInt(2)
 13982  		v1.AddArg2(x, x)
 13983  		v0.AddArg2(a, v1)
 13984  		v.AddArg(v0)
 13985  		return true
 13986  	}
 13987  	// match: (MSUBW a (MOVDconst [c]) x)
 13988  	// cond: c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)
 13989  	// result: (MOVWUreg (ADDshiftLL <a.Type> a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]))
 13990  	for {
 13991  		a := v_0
 13992  		if v_1.Op != OpARM64MOVDconst {
 13993  			break
 13994  		}
 13995  		c := auxIntToInt64(v_1.AuxInt)
 13996  		x := v_2
 13997  		if !(c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)) {
 13998  			break
 13999  		}
 14000  		v.reset(OpARM64MOVWUreg)
 14001  		v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, a.Type)
 14002  		v0.AuxInt = int64ToAuxInt(log64(c / 7))
 14003  		v1 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type)
 14004  		v1.AuxInt = int64ToAuxInt(3)
 14005  		v1.AddArg2(x, x)
 14006  		v0.AddArg2(a, v1)
 14007  		v.AddArg(v0)
 14008  		return true
 14009  	}
 14010  	// match: (MSUBW a (MOVDconst [c]) x)
 14011  	// cond: c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)
 14012  	// result: (MOVWUreg (SUBshiftLL <a.Type> a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]))
 14013  	for {
 14014  		a := v_0
 14015  		if v_1.Op != OpARM64MOVDconst {
 14016  			break
 14017  		}
 14018  		c := auxIntToInt64(v_1.AuxInt)
 14019  		x := v_2
 14020  		if !(c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)) {
 14021  			break
 14022  		}
 14023  		v.reset(OpARM64MOVWUreg)
 14024  		v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, a.Type)
 14025  		v0.AuxInt = int64ToAuxInt(log64(c / 9))
 14026  		v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 14027  		v1.AuxInt = int64ToAuxInt(3)
 14028  		v1.AddArg2(x, x)
 14029  		v0.AddArg2(a, v1)
 14030  		v.AddArg(v0)
 14031  		return true
 14032  	}
 14033  	// match: (MSUBW (MOVDconst [c]) x y)
 14034  	// result: (MOVWUreg (ADDconst <x.Type> [c] (MNEGW <x.Type> x y)))
 14035  	for {
 14036  		if v_0.Op != OpARM64MOVDconst {
 14037  			break
 14038  		}
 14039  		c := auxIntToInt64(v_0.AuxInt)
 14040  		x := v_1
 14041  		y := v_2
 14042  		v.reset(OpARM64MOVWUreg)
 14043  		v0 := b.NewValue0(v.Pos, OpARM64ADDconst, x.Type)
 14044  		v0.AuxInt = int64ToAuxInt(c)
 14045  		v1 := b.NewValue0(v.Pos, OpARM64MNEGW, x.Type)
 14046  		v1.AddArg2(x, y)
 14047  		v0.AddArg(v1)
 14048  		v.AddArg(v0)
 14049  		return true
 14050  	}
 14051  	// match: (MSUBW a (MOVDconst [c]) (MOVDconst [d]))
 14052  	// result: (MOVWUreg (SUBconst <a.Type> [c*d] a))
 14053  	for {
 14054  		a := v_0
 14055  		if v_1.Op != OpARM64MOVDconst {
 14056  			break
 14057  		}
 14058  		c := auxIntToInt64(v_1.AuxInt)
 14059  		if v_2.Op != OpARM64MOVDconst {
 14060  			break
 14061  		}
 14062  		d := auxIntToInt64(v_2.AuxInt)
 14063  		v.reset(OpARM64MOVWUreg)
 14064  		v0 := b.NewValue0(v.Pos, OpARM64SUBconst, a.Type)
 14065  		v0.AuxInt = int64ToAuxInt(c * d)
 14066  		v0.AddArg(a)
 14067  		v.AddArg(v0)
 14068  		return true
 14069  	}
 14070  	return false
 14071  }
 14072  func rewriteValueARM64_OpARM64MUL(v *Value) bool {
 14073  	v_1 := v.Args[1]
 14074  	v_0 := v.Args[0]
 14075  	b := v.Block
 14076  	// match: (MUL (NEG x) y)
 14077  	// result: (MNEG x y)
 14078  	for {
 14079  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14080  			if v_0.Op != OpARM64NEG {
 14081  				continue
 14082  			}
 14083  			x := v_0.Args[0]
 14084  			y := v_1
 14085  			v.reset(OpARM64MNEG)
 14086  			v.AddArg2(x, y)
 14087  			return true
 14088  		}
 14089  		break
 14090  	}
 14091  	// match: (MUL x (MOVDconst [-1]))
 14092  	// result: (NEG x)
 14093  	for {
 14094  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14095  			x := v_0
 14096  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 {
 14097  				continue
 14098  			}
 14099  			v.reset(OpARM64NEG)
 14100  			v.AddArg(x)
 14101  			return true
 14102  		}
 14103  		break
 14104  	}
 14105  	// match: (MUL _ (MOVDconst [0]))
 14106  	// result: (MOVDconst [0])
 14107  	for {
 14108  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14109  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 {
 14110  				continue
 14111  			}
 14112  			v.reset(OpARM64MOVDconst)
 14113  			v.AuxInt = int64ToAuxInt(0)
 14114  			return true
 14115  		}
 14116  		break
 14117  	}
 14118  	// match: (MUL x (MOVDconst [1]))
 14119  	// result: x
 14120  	for {
 14121  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14122  			x := v_0
 14123  			if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 14124  				continue
 14125  			}
 14126  			v.copyOf(x)
 14127  			return true
 14128  		}
 14129  		break
 14130  	}
 14131  	// match: (MUL x (MOVDconst [c]))
 14132  	// cond: isPowerOfTwo64(c)
 14133  	// result: (SLLconst [log64(c)] x)
 14134  	for {
 14135  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14136  			x := v_0
 14137  			if v_1.Op != OpARM64MOVDconst {
 14138  				continue
 14139  			}
 14140  			c := auxIntToInt64(v_1.AuxInt)
 14141  			if !(isPowerOfTwo64(c)) {
 14142  				continue
 14143  			}
 14144  			v.reset(OpARM64SLLconst)
 14145  			v.AuxInt = int64ToAuxInt(log64(c))
 14146  			v.AddArg(x)
 14147  			return true
 14148  		}
 14149  		break
 14150  	}
 14151  	// match: (MUL x (MOVDconst [c]))
 14152  	// cond: isPowerOfTwo64(c-1) && c >= 3
 14153  	// result: (ADDshiftLL x x [log64(c-1)])
 14154  	for {
 14155  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14156  			x := v_0
 14157  			if v_1.Op != OpARM64MOVDconst {
 14158  				continue
 14159  			}
 14160  			c := auxIntToInt64(v_1.AuxInt)
 14161  			if !(isPowerOfTwo64(c-1) && c >= 3) {
 14162  				continue
 14163  			}
 14164  			v.reset(OpARM64ADDshiftLL)
 14165  			v.AuxInt = int64ToAuxInt(log64(c - 1))
 14166  			v.AddArg2(x, x)
 14167  			return true
 14168  		}
 14169  		break
 14170  	}
 14171  	// match: (MUL x (MOVDconst [c]))
 14172  	// cond: isPowerOfTwo64(c+1) && c >= 7
 14173  	// result: (ADDshiftLL (NEG <x.Type> x) x [log64(c+1)])
 14174  	for {
 14175  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14176  			x := v_0
 14177  			if v_1.Op != OpARM64MOVDconst {
 14178  				continue
 14179  			}
 14180  			c := auxIntToInt64(v_1.AuxInt)
 14181  			if !(isPowerOfTwo64(c+1) && c >= 7) {
 14182  				continue
 14183  			}
 14184  			v.reset(OpARM64ADDshiftLL)
 14185  			v.AuxInt = int64ToAuxInt(log64(c + 1))
 14186  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
 14187  			v0.AddArg(x)
 14188  			v.AddArg2(v0, x)
 14189  			return true
 14190  		}
 14191  		break
 14192  	}
 14193  	// match: (MUL x (MOVDconst [c]))
 14194  	// cond: c%3 == 0 && isPowerOfTwo64(c/3)
 14195  	// result: (SLLconst [log64(c/3)] (ADDshiftLL <x.Type> x x [1]))
 14196  	for {
 14197  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14198  			x := v_0
 14199  			if v_1.Op != OpARM64MOVDconst {
 14200  				continue
 14201  			}
 14202  			c := auxIntToInt64(v_1.AuxInt)
 14203  			if !(c%3 == 0 && isPowerOfTwo64(c/3)) {
 14204  				continue
 14205  			}
 14206  			v.reset(OpARM64SLLconst)
 14207  			v.AuxInt = int64ToAuxInt(log64(c / 3))
 14208  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 14209  			v0.AuxInt = int64ToAuxInt(1)
 14210  			v0.AddArg2(x, x)
 14211  			v.AddArg(v0)
 14212  			return true
 14213  		}
 14214  		break
 14215  	}
 14216  	// match: (MUL x (MOVDconst [c]))
 14217  	// cond: c%5 == 0 && isPowerOfTwo64(c/5)
 14218  	// result: (SLLconst [log64(c/5)] (ADDshiftLL <x.Type> x x [2]))
 14219  	for {
 14220  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14221  			x := v_0
 14222  			if v_1.Op != OpARM64MOVDconst {
 14223  				continue
 14224  			}
 14225  			c := auxIntToInt64(v_1.AuxInt)
 14226  			if !(c%5 == 0 && isPowerOfTwo64(c/5)) {
 14227  				continue
 14228  			}
 14229  			v.reset(OpARM64SLLconst)
 14230  			v.AuxInt = int64ToAuxInt(log64(c / 5))
 14231  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 14232  			v0.AuxInt = int64ToAuxInt(2)
 14233  			v0.AddArg2(x, x)
 14234  			v.AddArg(v0)
 14235  			return true
 14236  		}
 14237  		break
 14238  	}
 14239  	// match: (MUL x (MOVDconst [c]))
 14240  	// cond: c%7 == 0 && isPowerOfTwo64(c/7)
 14241  	// result: (SLLconst [log64(c/7)] (ADDshiftLL <x.Type> (NEG <x.Type> x) x [3]))
 14242  	for {
 14243  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14244  			x := v_0
 14245  			if v_1.Op != OpARM64MOVDconst {
 14246  				continue
 14247  			}
 14248  			c := auxIntToInt64(v_1.AuxInt)
 14249  			if !(c%7 == 0 && isPowerOfTwo64(c/7)) {
 14250  				continue
 14251  			}
 14252  			v.reset(OpARM64SLLconst)
 14253  			v.AuxInt = int64ToAuxInt(log64(c / 7))
 14254  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 14255  			v0.AuxInt = int64ToAuxInt(3)
 14256  			v1 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
 14257  			v1.AddArg(x)
 14258  			v0.AddArg2(v1, x)
 14259  			v.AddArg(v0)
 14260  			return true
 14261  		}
 14262  		break
 14263  	}
 14264  	// match: (MUL x (MOVDconst [c]))
 14265  	// cond: c%9 == 0 && isPowerOfTwo64(c/9)
 14266  	// result: (SLLconst [log64(c/9)] (ADDshiftLL <x.Type> x x [3]))
 14267  	for {
 14268  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14269  			x := v_0
 14270  			if v_1.Op != OpARM64MOVDconst {
 14271  				continue
 14272  			}
 14273  			c := auxIntToInt64(v_1.AuxInt)
 14274  			if !(c%9 == 0 && isPowerOfTwo64(c/9)) {
 14275  				continue
 14276  			}
 14277  			v.reset(OpARM64SLLconst)
 14278  			v.AuxInt = int64ToAuxInt(log64(c / 9))
 14279  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 14280  			v0.AuxInt = int64ToAuxInt(3)
 14281  			v0.AddArg2(x, x)
 14282  			v.AddArg(v0)
 14283  			return true
 14284  		}
 14285  		break
 14286  	}
 14287  	// match: (MUL (MOVDconst [c]) (MOVDconst [d]))
 14288  	// result: (MOVDconst [c*d])
 14289  	for {
 14290  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14291  			if v_0.Op != OpARM64MOVDconst {
 14292  				continue
 14293  			}
 14294  			c := auxIntToInt64(v_0.AuxInt)
 14295  			if v_1.Op != OpARM64MOVDconst {
 14296  				continue
 14297  			}
 14298  			d := auxIntToInt64(v_1.AuxInt)
 14299  			v.reset(OpARM64MOVDconst)
 14300  			v.AuxInt = int64ToAuxInt(c * d)
 14301  			return true
 14302  		}
 14303  		break
 14304  	}
 14305  	return false
 14306  }
 14307  func rewriteValueARM64_OpARM64MULW(v *Value) bool {
 14308  	v_1 := v.Args[1]
 14309  	v_0 := v.Args[0]
 14310  	b := v.Block
 14311  	// match: (MULW (NEG x) y)
 14312  	// result: (MNEGW x y)
 14313  	for {
 14314  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14315  			if v_0.Op != OpARM64NEG {
 14316  				continue
 14317  			}
 14318  			x := v_0.Args[0]
 14319  			y := v_1
 14320  			v.reset(OpARM64MNEGW)
 14321  			v.AddArg2(x, y)
 14322  			return true
 14323  		}
 14324  		break
 14325  	}
 14326  	// match: (MULW x (MOVDconst [c]))
 14327  	// cond: int32(c)==-1
 14328  	// result: (MOVWUreg (NEG <x.Type> x))
 14329  	for {
 14330  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14331  			x := v_0
 14332  			if v_1.Op != OpARM64MOVDconst {
 14333  				continue
 14334  			}
 14335  			c := auxIntToInt64(v_1.AuxInt)
 14336  			if !(int32(c) == -1) {
 14337  				continue
 14338  			}
 14339  			v.reset(OpARM64MOVWUreg)
 14340  			v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
 14341  			v0.AddArg(x)
 14342  			v.AddArg(v0)
 14343  			return true
 14344  		}
 14345  		break
 14346  	}
 14347  	// match: (MULW _ (MOVDconst [c]))
 14348  	// cond: int32(c)==0
 14349  	// result: (MOVDconst [0])
 14350  	for {
 14351  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14352  			if v_1.Op != OpARM64MOVDconst {
 14353  				continue
 14354  			}
 14355  			c := auxIntToInt64(v_1.AuxInt)
 14356  			if !(int32(c) == 0) {
 14357  				continue
 14358  			}
 14359  			v.reset(OpARM64MOVDconst)
 14360  			v.AuxInt = int64ToAuxInt(0)
 14361  			return true
 14362  		}
 14363  		break
 14364  	}
 14365  	// match: (MULW x (MOVDconst [c]))
 14366  	// cond: int32(c)==1
 14367  	// result: (MOVWUreg x)
 14368  	for {
 14369  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14370  			x := v_0
 14371  			if v_1.Op != OpARM64MOVDconst {
 14372  				continue
 14373  			}
 14374  			c := auxIntToInt64(v_1.AuxInt)
 14375  			if !(int32(c) == 1) {
 14376  				continue
 14377  			}
 14378  			v.reset(OpARM64MOVWUreg)
 14379  			v.AddArg(x)
 14380  			return true
 14381  		}
 14382  		break
 14383  	}
 14384  	// match: (MULW x (MOVDconst [c]))
 14385  	// cond: isPowerOfTwo64(c)
 14386  	// result: (MOVWUreg (SLLconst <x.Type> [log64(c)] x))
 14387  	for {
 14388  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14389  			x := v_0
 14390  			if v_1.Op != OpARM64MOVDconst {
 14391  				continue
 14392  			}
 14393  			c := auxIntToInt64(v_1.AuxInt)
 14394  			if !(isPowerOfTwo64(c)) {
 14395  				continue
 14396  			}
 14397  			v.reset(OpARM64MOVWUreg)
 14398  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 14399  			v0.AuxInt = int64ToAuxInt(log64(c))
 14400  			v0.AddArg(x)
 14401  			v.AddArg(v0)
 14402  			return true
 14403  		}
 14404  		break
 14405  	}
 14406  	// match: (MULW x (MOVDconst [c]))
 14407  	// cond: isPowerOfTwo64(c-1) && int32(c) >= 3
 14408  	// result: (MOVWUreg (ADDshiftLL <x.Type> x x [log64(c-1)]))
 14409  	for {
 14410  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14411  			x := v_0
 14412  			if v_1.Op != OpARM64MOVDconst {
 14413  				continue
 14414  			}
 14415  			c := auxIntToInt64(v_1.AuxInt)
 14416  			if !(isPowerOfTwo64(c-1) && int32(c) >= 3) {
 14417  				continue
 14418  			}
 14419  			v.reset(OpARM64MOVWUreg)
 14420  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 14421  			v0.AuxInt = int64ToAuxInt(log64(c - 1))
 14422  			v0.AddArg2(x, x)
 14423  			v.AddArg(v0)
 14424  			return true
 14425  		}
 14426  		break
 14427  	}
 14428  	// match: (MULW x (MOVDconst [c]))
 14429  	// cond: isPowerOfTwo64(c+1) && int32(c) >= 7
 14430  	// result: (MOVWUreg (ADDshiftLL <x.Type> (NEG <x.Type> x) x [log64(c+1)]))
 14431  	for {
 14432  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14433  			x := v_0
 14434  			if v_1.Op != OpARM64MOVDconst {
 14435  				continue
 14436  			}
 14437  			c := auxIntToInt64(v_1.AuxInt)
 14438  			if !(isPowerOfTwo64(c+1) && int32(c) >= 7) {
 14439  				continue
 14440  			}
 14441  			v.reset(OpARM64MOVWUreg)
 14442  			v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 14443  			v0.AuxInt = int64ToAuxInt(log64(c + 1))
 14444  			v1 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
 14445  			v1.AddArg(x)
 14446  			v0.AddArg2(v1, x)
 14447  			v.AddArg(v0)
 14448  			return true
 14449  		}
 14450  		break
 14451  	}
 14452  	// match: (MULW x (MOVDconst [c]))
 14453  	// cond: c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)
 14454  	// result: (MOVWUreg (SLLconst <x.Type> [log64(c/3)] (ADDshiftLL <x.Type> x x [1])))
 14455  	for {
 14456  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14457  			x := v_0
 14458  			if v_1.Op != OpARM64MOVDconst {
 14459  				continue
 14460  			}
 14461  			c := auxIntToInt64(v_1.AuxInt)
 14462  			if !(c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)) {
 14463  				continue
 14464  			}
 14465  			v.reset(OpARM64MOVWUreg)
 14466  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 14467  			v0.AuxInt = int64ToAuxInt(log64(c / 3))
 14468  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 14469  			v1.AuxInt = int64ToAuxInt(1)
 14470  			v1.AddArg2(x, x)
 14471  			v0.AddArg(v1)
 14472  			v.AddArg(v0)
 14473  			return true
 14474  		}
 14475  		break
 14476  	}
 14477  	// match: (MULW x (MOVDconst [c]))
 14478  	// cond: c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)
 14479  	// result: (MOVWUreg (SLLconst <x.Type> [log64(c/5)] (ADDshiftLL <x.Type> x x [2])))
 14480  	for {
 14481  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14482  			x := v_0
 14483  			if v_1.Op != OpARM64MOVDconst {
 14484  				continue
 14485  			}
 14486  			c := auxIntToInt64(v_1.AuxInt)
 14487  			if !(c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)) {
 14488  				continue
 14489  			}
 14490  			v.reset(OpARM64MOVWUreg)
 14491  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 14492  			v0.AuxInt = int64ToAuxInt(log64(c / 5))
 14493  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 14494  			v1.AuxInt = int64ToAuxInt(2)
 14495  			v1.AddArg2(x, x)
 14496  			v0.AddArg(v1)
 14497  			v.AddArg(v0)
 14498  			return true
 14499  		}
 14500  		break
 14501  	}
 14502  	// match: (MULW x (MOVDconst [c]))
 14503  	// cond: c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)
 14504  	// result: (MOVWUreg (SLLconst <x.Type> [log64(c/7)] (ADDshiftLL <x.Type> (NEG <x.Type> x) x [3])))
 14505  	for {
 14506  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14507  			x := v_0
 14508  			if v_1.Op != OpARM64MOVDconst {
 14509  				continue
 14510  			}
 14511  			c := auxIntToInt64(v_1.AuxInt)
 14512  			if !(c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)) {
 14513  				continue
 14514  			}
 14515  			v.reset(OpARM64MOVWUreg)
 14516  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 14517  			v0.AuxInt = int64ToAuxInt(log64(c / 7))
 14518  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 14519  			v1.AuxInt = int64ToAuxInt(3)
 14520  			v2 := b.NewValue0(v.Pos, OpARM64NEG, x.Type)
 14521  			v2.AddArg(x)
 14522  			v1.AddArg2(v2, x)
 14523  			v0.AddArg(v1)
 14524  			v.AddArg(v0)
 14525  			return true
 14526  		}
 14527  		break
 14528  	}
 14529  	// match: (MULW x (MOVDconst [c]))
 14530  	// cond: c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)
 14531  	// result: (MOVWUreg (SLLconst <x.Type> [log64(c/9)] (ADDshiftLL <x.Type> x x [3])))
 14532  	for {
 14533  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14534  			x := v_0
 14535  			if v_1.Op != OpARM64MOVDconst {
 14536  				continue
 14537  			}
 14538  			c := auxIntToInt64(v_1.AuxInt)
 14539  			if !(c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)) {
 14540  				continue
 14541  			}
 14542  			v.reset(OpARM64MOVWUreg)
 14543  			v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 14544  			v0.AuxInt = int64ToAuxInt(log64(c / 9))
 14545  			v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type)
 14546  			v1.AuxInt = int64ToAuxInt(3)
 14547  			v1.AddArg2(x, x)
 14548  			v0.AddArg(v1)
 14549  			v.AddArg(v0)
 14550  			return true
 14551  		}
 14552  		break
 14553  	}
 14554  	// match: (MULW (MOVDconst [c]) (MOVDconst [d]))
 14555  	// result: (MOVDconst [int64(uint32(c*d))])
 14556  	for {
 14557  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 14558  			if v_0.Op != OpARM64MOVDconst {
 14559  				continue
 14560  			}
 14561  			c := auxIntToInt64(v_0.AuxInt)
 14562  			if v_1.Op != OpARM64MOVDconst {
 14563  				continue
 14564  			}
 14565  			d := auxIntToInt64(v_1.AuxInt)
 14566  			v.reset(OpARM64MOVDconst)
 14567  			v.AuxInt = int64ToAuxInt(int64(uint32(c * d)))
 14568  			return true
 14569  		}
 14570  		break
 14571  	}
 14572  	return false
 14573  }
 14574  func rewriteValueARM64_OpARM64MVN(v *Value) bool {
 14575  	v_0 := v.Args[0]
 14576  	// match: (MVN (XOR x y))
 14577  	// result: (EON x y)
 14578  	for {
 14579  		if v_0.Op != OpARM64XOR {
 14580  			break
 14581  		}
 14582  		y := v_0.Args[1]
 14583  		x := v_0.Args[0]
 14584  		v.reset(OpARM64EON)
 14585  		v.AddArg2(x, y)
 14586  		return true
 14587  	}
 14588  	// match: (MVN (MOVDconst [c]))
 14589  	// result: (MOVDconst [^c])
 14590  	for {
 14591  		if v_0.Op != OpARM64MOVDconst {
 14592  			break
 14593  		}
 14594  		c := auxIntToInt64(v_0.AuxInt)
 14595  		v.reset(OpARM64MOVDconst)
 14596  		v.AuxInt = int64ToAuxInt(^c)
 14597  		return true
 14598  	}
 14599  	// match: (MVN x:(SLLconst [c] y))
 14600  	// cond: clobberIfDead(x)
 14601  	// result: (MVNshiftLL [c] y)
 14602  	for {
 14603  		x := v_0
 14604  		if x.Op != OpARM64SLLconst {
 14605  			break
 14606  		}
 14607  		c := auxIntToInt64(x.AuxInt)
 14608  		y := x.Args[0]
 14609  		if !(clobberIfDead(x)) {
 14610  			break
 14611  		}
 14612  		v.reset(OpARM64MVNshiftLL)
 14613  		v.AuxInt = int64ToAuxInt(c)
 14614  		v.AddArg(y)
 14615  		return true
 14616  	}
 14617  	// match: (MVN x:(SRLconst [c] y))
 14618  	// cond: clobberIfDead(x)
 14619  	// result: (MVNshiftRL [c] y)
 14620  	for {
 14621  		x := v_0
 14622  		if x.Op != OpARM64SRLconst {
 14623  			break
 14624  		}
 14625  		c := auxIntToInt64(x.AuxInt)
 14626  		y := x.Args[0]
 14627  		if !(clobberIfDead(x)) {
 14628  			break
 14629  		}
 14630  		v.reset(OpARM64MVNshiftRL)
 14631  		v.AuxInt = int64ToAuxInt(c)
 14632  		v.AddArg(y)
 14633  		return true
 14634  	}
 14635  	// match: (MVN x:(SRAconst [c] y))
 14636  	// cond: clobberIfDead(x)
 14637  	// result: (MVNshiftRA [c] y)
 14638  	for {
 14639  		x := v_0
 14640  		if x.Op != OpARM64SRAconst {
 14641  			break
 14642  		}
 14643  		c := auxIntToInt64(x.AuxInt)
 14644  		y := x.Args[0]
 14645  		if !(clobberIfDead(x)) {
 14646  			break
 14647  		}
 14648  		v.reset(OpARM64MVNshiftRA)
 14649  		v.AuxInt = int64ToAuxInt(c)
 14650  		v.AddArg(y)
 14651  		return true
 14652  	}
 14653  	// match: (MVN x:(RORconst [c] y))
 14654  	// cond: clobberIfDead(x)
 14655  	// result: (MVNshiftRO [c] y)
 14656  	for {
 14657  		x := v_0
 14658  		if x.Op != OpARM64RORconst {
 14659  			break
 14660  		}
 14661  		c := auxIntToInt64(x.AuxInt)
 14662  		y := x.Args[0]
 14663  		if !(clobberIfDead(x)) {
 14664  			break
 14665  		}
 14666  		v.reset(OpARM64MVNshiftRO)
 14667  		v.AuxInt = int64ToAuxInt(c)
 14668  		v.AddArg(y)
 14669  		return true
 14670  	}
 14671  	return false
 14672  }
 14673  func rewriteValueARM64_OpARM64MVNshiftLL(v *Value) bool {
 14674  	v_0 := v.Args[0]
 14675  	// match: (MVNshiftLL (MOVDconst [c]) [d])
 14676  	// result: (MOVDconst [^int64(uint64(c)<<uint64(d))])
 14677  	for {
 14678  		d := auxIntToInt64(v.AuxInt)
 14679  		if v_0.Op != OpARM64MOVDconst {
 14680  			break
 14681  		}
 14682  		c := auxIntToInt64(v_0.AuxInt)
 14683  		v.reset(OpARM64MOVDconst)
 14684  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) << uint64(d)))
 14685  		return true
 14686  	}
 14687  	return false
 14688  }
 14689  func rewriteValueARM64_OpARM64MVNshiftRA(v *Value) bool {
 14690  	v_0 := v.Args[0]
 14691  	// match: (MVNshiftRA (MOVDconst [c]) [d])
 14692  	// result: (MOVDconst [^(c>>uint64(d))])
 14693  	for {
 14694  		d := auxIntToInt64(v.AuxInt)
 14695  		if v_0.Op != OpARM64MOVDconst {
 14696  			break
 14697  		}
 14698  		c := auxIntToInt64(v_0.AuxInt)
 14699  		v.reset(OpARM64MOVDconst)
 14700  		v.AuxInt = int64ToAuxInt(^(c >> uint64(d)))
 14701  		return true
 14702  	}
 14703  	return false
 14704  }
 14705  func rewriteValueARM64_OpARM64MVNshiftRL(v *Value) bool {
 14706  	v_0 := v.Args[0]
 14707  	// match: (MVNshiftRL (MOVDconst [c]) [d])
 14708  	// result: (MOVDconst [^int64(uint64(c)>>uint64(d))])
 14709  	for {
 14710  		d := auxIntToInt64(v.AuxInt)
 14711  		if v_0.Op != OpARM64MOVDconst {
 14712  			break
 14713  		}
 14714  		c := auxIntToInt64(v_0.AuxInt)
 14715  		v.reset(OpARM64MOVDconst)
 14716  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) >> uint64(d)))
 14717  		return true
 14718  	}
 14719  	return false
 14720  }
 14721  func rewriteValueARM64_OpARM64MVNshiftRO(v *Value) bool {
 14722  	v_0 := v.Args[0]
 14723  	// match: (MVNshiftRO (MOVDconst [c]) [d])
 14724  	// result: (MOVDconst [^rotateRight64(c, d)])
 14725  	for {
 14726  		d := auxIntToInt64(v.AuxInt)
 14727  		if v_0.Op != OpARM64MOVDconst {
 14728  			break
 14729  		}
 14730  		c := auxIntToInt64(v_0.AuxInt)
 14731  		v.reset(OpARM64MOVDconst)
 14732  		v.AuxInt = int64ToAuxInt(^rotateRight64(c, d))
 14733  		return true
 14734  	}
 14735  	return false
 14736  }
 14737  func rewriteValueARM64_OpARM64NEG(v *Value) bool {
 14738  	v_0 := v.Args[0]
 14739  	// match: (NEG (MUL x y))
 14740  	// result: (MNEG x y)
 14741  	for {
 14742  		if v_0.Op != OpARM64MUL {
 14743  			break
 14744  		}
 14745  		y := v_0.Args[1]
 14746  		x := v_0.Args[0]
 14747  		v.reset(OpARM64MNEG)
 14748  		v.AddArg2(x, y)
 14749  		return true
 14750  	}
 14751  	// match: (NEG (MULW x y))
 14752  	// cond: v.Type.Size() <= 4
 14753  	// result: (MNEGW x y)
 14754  	for {
 14755  		if v_0.Op != OpARM64MULW {
 14756  			break
 14757  		}
 14758  		y := v_0.Args[1]
 14759  		x := v_0.Args[0]
 14760  		if !(v.Type.Size() <= 4) {
 14761  			break
 14762  		}
 14763  		v.reset(OpARM64MNEGW)
 14764  		v.AddArg2(x, y)
 14765  		return true
 14766  	}
 14767  	// match: (NEG (NEG x))
 14768  	// result: x
 14769  	for {
 14770  		if v_0.Op != OpARM64NEG {
 14771  			break
 14772  		}
 14773  		x := v_0.Args[0]
 14774  		v.copyOf(x)
 14775  		return true
 14776  	}
 14777  	// match: (NEG (MOVDconst [c]))
 14778  	// result: (MOVDconst [-c])
 14779  	for {
 14780  		if v_0.Op != OpARM64MOVDconst {
 14781  			break
 14782  		}
 14783  		c := auxIntToInt64(v_0.AuxInt)
 14784  		v.reset(OpARM64MOVDconst)
 14785  		v.AuxInt = int64ToAuxInt(-c)
 14786  		return true
 14787  	}
 14788  	// match: (NEG x:(SLLconst [c] y))
 14789  	// cond: clobberIfDead(x)
 14790  	// result: (NEGshiftLL [c] y)
 14791  	for {
 14792  		x := v_0
 14793  		if x.Op != OpARM64SLLconst {
 14794  			break
 14795  		}
 14796  		c := auxIntToInt64(x.AuxInt)
 14797  		y := x.Args[0]
 14798  		if !(clobberIfDead(x)) {
 14799  			break
 14800  		}
 14801  		v.reset(OpARM64NEGshiftLL)
 14802  		v.AuxInt = int64ToAuxInt(c)
 14803  		v.AddArg(y)
 14804  		return true
 14805  	}
 14806  	// match: (NEG x:(SRLconst [c] y))
 14807  	// cond: clobberIfDead(x)
 14808  	// result: (NEGshiftRL [c] y)
 14809  	for {
 14810  		x := v_0
 14811  		if x.Op != OpARM64SRLconst {
 14812  			break
 14813  		}
 14814  		c := auxIntToInt64(x.AuxInt)
 14815  		y := x.Args[0]
 14816  		if !(clobberIfDead(x)) {
 14817  			break
 14818  		}
 14819  		v.reset(OpARM64NEGshiftRL)
 14820  		v.AuxInt = int64ToAuxInt(c)
 14821  		v.AddArg(y)
 14822  		return true
 14823  	}
 14824  	// match: (NEG x:(SRAconst [c] y))
 14825  	// cond: clobberIfDead(x)
 14826  	// result: (NEGshiftRA [c] y)
 14827  	for {
 14828  		x := v_0
 14829  		if x.Op != OpARM64SRAconst {
 14830  			break
 14831  		}
 14832  		c := auxIntToInt64(x.AuxInt)
 14833  		y := x.Args[0]
 14834  		if !(clobberIfDead(x)) {
 14835  			break
 14836  		}
 14837  		v.reset(OpARM64NEGshiftRA)
 14838  		v.AuxInt = int64ToAuxInt(c)
 14839  		v.AddArg(y)
 14840  		return true
 14841  	}
 14842  	return false
 14843  }
 14844  func rewriteValueARM64_OpARM64NEGshiftLL(v *Value) bool {
 14845  	v_0 := v.Args[0]
 14846  	// match: (NEGshiftLL (MOVDconst [c]) [d])
 14847  	// result: (MOVDconst [-int64(uint64(c)<<uint64(d))])
 14848  	for {
 14849  		d := auxIntToInt64(v.AuxInt)
 14850  		if v_0.Op != OpARM64MOVDconst {
 14851  			break
 14852  		}
 14853  		c := auxIntToInt64(v_0.AuxInt)
 14854  		v.reset(OpARM64MOVDconst)
 14855  		v.AuxInt = int64ToAuxInt(-int64(uint64(c) << uint64(d)))
 14856  		return true
 14857  	}
 14858  	return false
 14859  }
 14860  func rewriteValueARM64_OpARM64NEGshiftRA(v *Value) bool {
 14861  	v_0 := v.Args[0]
 14862  	// match: (NEGshiftRA (MOVDconst [c]) [d])
 14863  	// result: (MOVDconst [-(c>>uint64(d))])
 14864  	for {
 14865  		d := auxIntToInt64(v.AuxInt)
 14866  		if v_0.Op != OpARM64MOVDconst {
 14867  			break
 14868  		}
 14869  		c := auxIntToInt64(v_0.AuxInt)
 14870  		v.reset(OpARM64MOVDconst)
 14871  		v.AuxInt = int64ToAuxInt(-(c >> uint64(d)))
 14872  		return true
 14873  	}
 14874  	return false
 14875  }
 14876  func rewriteValueARM64_OpARM64NEGshiftRL(v *Value) bool {
 14877  	v_0 := v.Args[0]
 14878  	// match: (NEGshiftRL (MOVDconst [c]) [d])
 14879  	// result: (MOVDconst [-int64(uint64(c)>>uint64(d))])
 14880  	for {
 14881  		d := auxIntToInt64(v.AuxInt)
 14882  		if v_0.Op != OpARM64MOVDconst {
 14883  			break
 14884  		}
 14885  		c := auxIntToInt64(v_0.AuxInt)
 14886  		v.reset(OpARM64MOVDconst)
 14887  		v.AuxInt = int64ToAuxInt(-int64(uint64(c) >> uint64(d)))
 14888  		return true
 14889  	}
 14890  	return false
 14891  }
 14892  func rewriteValueARM64_OpARM64NotEqual(v *Value) bool {
 14893  	v_0 := v.Args[0]
 14894  	b := v.Block
 14895  	// match: (NotEqual (CMPconst [0] z:(AND x y)))
 14896  	// cond: z.Uses == 1
 14897  	// result: (NotEqual (TST x y))
 14898  	for {
 14899  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 14900  			break
 14901  		}
 14902  		z := v_0.Args[0]
 14903  		if z.Op != OpARM64AND {
 14904  			break
 14905  		}
 14906  		y := z.Args[1]
 14907  		x := z.Args[0]
 14908  		if !(z.Uses == 1) {
 14909  			break
 14910  		}
 14911  		v.reset(OpARM64NotEqual)
 14912  		v0 := b.NewValue0(v.Pos, OpARM64TST, types.TypeFlags)
 14913  		v0.AddArg2(x, y)
 14914  		v.AddArg(v0)
 14915  		return true
 14916  	}
 14917  	// match: (NotEqual (CMPWconst [0] x:(ANDconst [c] y)))
 14918  	// cond: x.Uses == 1
 14919  	// result: (NotEqual (TSTWconst [int32(c)] y))
 14920  	for {
 14921  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 14922  			break
 14923  		}
 14924  		x := v_0.Args[0]
 14925  		if x.Op != OpARM64ANDconst {
 14926  			break
 14927  		}
 14928  		c := auxIntToInt64(x.AuxInt)
 14929  		y := x.Args[0]
 14930  		if !(x.Uses == 1) {
 14931  			break
 14932  		}
 14933  		v.reset(OpARM64NotEqual)
 14934  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
 14935  		v0.AuxInt = int32ToAuxInt(int32(c))
 14936  		v0.AddArg(y)
 14937  		v.AddArg(v0)
 14938  		return true
 14939  	}
 14940  	// match: (NotEqual (CMPWconst [0] z:(AND x y)))
 14941  	// cond: z.Uses == 1
 14942  	// result: (NotEqual (TSTW x y))
 14943  	for {
 14944  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 14945  			break
 14946  		}
 14947  		z := v_0.Args[0]
 14948  		if z.Op != OpARM64AND {
 14949  			break
 14950  		}
 14951  		y := z.Args[1]
 14952  		x := z.Args[0]
 14953  		if !(z.Uses == 1) {
 14954  			break
 14955  		}
 14956  		v.reset(OpARM64NotEqual)
 14957  		v0 := b.NewValue0(v.Pos, OpARM64TSTW, types.TypeFlags)
 14958  		v0.AddArg2(x, y)
 14959  		v.AddArg(v0)
 14960  		return true
 14961  	}
 14962  	// match: (NotEqual (CMPconst [0] x:(ANDconst [c] y)))
 14963  	// cond: x.Uses == 1
 14964  	// result: (NotEqual (TSTconst [c] y))
 14965  	for {
 14966  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 14967  			break
 14968  		}
 14969  		x := v_0.Args[0]
 14970  		if x.Op != OpARM64ANDconst {
 14971  			break
 14972  		}
 14973  		c := auxIntToInt64(x.AuxInt)
 14974  		y := x.Args[0]
 14975  		if !(x.Uses == 1) {
 14976  			break
 14977  		}
 14978  		v.reset(OpARM64NotEqual)
 14979  		v0 := b.NewValue0(v.Pos, OpARM64TSTconst, types.TypeFlags)
 14980  		v0.AuxInt = int64ToAuxInt(c)
 14981  		v0.AddArg(y)
 14982  		v.AddArg(v0)
 14983  		return true
 14984  	}
 14985  	// match: (NotEqual (CMP x z:(NEG y)))
 14986  	// cond: z.Uses == 1
 14987  	// result: (NotEqual (CMN x y))
 14988  	for {
 14989  		if v_0.Op != OpARM64CMP {
 14990  			break
 14991  		}
 14992  		_ = v_0.Args[1]
 14993  		x := v_0.Args[0]
 14994  		z := v_0.Args[1]
 14995  		if z.Op != OpARM64NEG {
 14996  			break
 14997  		}
 14998  		y := z.Args[0]
 14999  		if !(z.Uses == 1) {
 15000  			break
 15001  		}
 15002  		v.reset(OpARM64NotEqual)
 15003  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
 15004  		v0.AddArg2(x, y)
 15005  		v.AddArg(v0)
 15006  		return true
 15007  	}
 15008  	// match: (NotEqual (CMPW x z:(NEG y)))
 15009  	// cond: z.Uses == 1
 15010  	// result: (NotEqual (CMNW x y))
 15011  	for {
 15012  		if v_0.Op != OpARM64CMPW {
 15013  			break
 15014  		}
 15015  		_ = v_0.Args[1]
 15016  		x := v_0.Args[0]
 15017  		z := v_0.Args[1]
 15018  		if z.Op != OpARM64NEG {
 15019  			break
 15020  		}
 15021  		y := z.Args[0]
 15022  		if !(z.Uses == 1) {
 15023  			break
 15024  		}
 15025  		v.reset(OpARM64NotEqual)
 15026  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
 15027  		v0.AddArg2(x, y)
 15028  		v.AddArg(v0)
 15029  		return true
 15030  	}
 15031  	// match: (NotEqual (CMPconst [0] x:(ADDconst [c] y)))
 15032  	// cond: x.Uses == 1
 15033  	// result: (NotEqual (CMNconst [c] y))
 15034  	for {
 15035  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 15036  			break
 15037  		}
 15038  		x := v_0.Args[0]
 15039  		if x.Op != OpARM64ADDconst {
 15040  			break
 15041  		}
 15042  		c := auxIntToInt64(x.AuxInt)
 15043  		y := x.Args[0]
 15044  		if !(x.Uses == 1) {
 15045  			break
 15046  		}
 15047  		v.reset(OpARM64NotEqual)
 15048  		v0 := b.NewValue0(v.Pos, OpARM64CMNconst, types.TypeFlags)
 15049  		v0.AuxInt = int64ToAuxInt(c)
 15050  		v0.AddArg(y)
 15051  		v.AddArg(v0)
 15052  		return true
 15053  	}
 15054  	// match: (NotEqual (CMPWconst [0] x:(ADDconst [c] y)))
 15055  	// cond: x.Uses == 1
 15056  	// result: (NotEqual (CMNWconst [int32(c)] y))
 15057  	for {
 15058  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 15059  			break
 15060  		}
 15061  		x := v_0.Args[0]
 15062  		if x.Op != OpARM64ADDconst {
 15063  			break
 15064  		}
 15065  		c := auxIntToInt64(x.AuxInt)
 15066  		y := x.Args[0]
 15067  		if !(x.Uses == 1) {
 15068  			break
 15069  		}
 15070  		v.reset(OpARM64NotEqual)
 15071  		v0 := b.NewValue0(v.Pos, OpARM64CMNWconst, types.TypeFlags)
 15072  		v0.AuxInt = int32ToAuxInt(int32(c))
 15073  		v0.AddArg(y)
 15074  		v.AddArg(v0)
 15075  		return true
 15076  	}
 15077  	// match: (NotEqual (CMPconst [0] z:(ADD x y)))
 15078  	// cond: z.Uses == 1
 15079  	// result: (NotEqual (CMN x y))
 15080  	for {
 15081  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 15082  			break
 15083  		}
 15084  		z := v_0.Args[0]
 15085  		if z.Op != OpARM64ADD {
 15086  			break
 15087  		}
 15088  		y := z.Args[1]
 15089  		x := z.Args[0]
 15090  		if !(z.Uses == 1) {
 15091  			break
 15092  		}
 15093  		v.reset(OpARM64NotEqual)
 15094  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
 15095  		v0.AddArg2(x, y)
 15096  		v.AddArg(v0)
 15097  		return true
 15098  	}
 15099  	// match: (NotEqual (CMPWconst [0] z:(ADD x y)))
 15100  	// cond: z.Uses == 1
 15101  	// result: (NotEqual (CMNW x y))
 15102  	for {
 15103  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 15104  			break
 15105  		}
 15106  		z := v_0.Args[0]
 15107  		if z.Op != OpARM64ADD {
 15108  			break
 15109  		}
 15110  		y := z.Args[1]
 15111  		x := z.Args[0]
 15112  		if !(z.Uses == 1) {
 15113  			break
 15114  		}
 15115  		v.reset(OpARM64NotEqual)
 15116  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
 15117  		v0.AddArg2(x, y)
 15118  		v.AddArg(v0)
 15119  		return true
 15120  	}
 15121  	// match: (NotEqual (CMPconst [0] z:(MADD a x y)))
 15122  	// cond: z.Uses == 1
 15123  	// result: (NotEqual (CMN a (MUL <x.Type> x y)))
 15124  	for {
 15125  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 15126  			break
 15127  		}
 15128  		z := v_0.Args[0]
 15129  		if z.Op != OpARM64MADD {
 15130  			break
 15131  		}
 15132  		y := z.Args[2]
 15133  		a := z.Args[0]
 15134  		x := z.Args[1]
 15135  		if !(z.Uses == 1) {
 15136  			break
 15137  		}
 15138  		v.reset(OpARM64NotEqual)
 15139  		v0 := b.NewValue0(v.Pos, OpARM64CMN, types.TypeFlags)
 15140  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
 15141  		v1.AddArg2(x, y)
 15142  		v0.AddArg2(a, v1)
 15143  		v.AddArg(v0)
 15144  		return true
 15145  	}
 15146  	// match: (NotEqual (CMPconst [0] z:(MSUB a x y)))
 15147  	// cond: z.Uses == 1
 15148  	// result: (NotEqual (CMP a (MUL <x.Type> x y)))
 15149  	for {
 15150  		if v_0.Op != OpARM64CMPconst || auxIntToInt64(v_0.AuxInt) != 0 {
 15151  			break
 15152  		}
 15153  		z := v_0.Args[0]
 15154  		if z.Op != OpARM64MSUB {
 15155  			break
 15156  		}
 15157  		y := z.Args[2]
 15158  		a := z.Args[0]
 15159  		x := z.Args[1]
 15160  		if !(z.Uses == 1) {
 15161  			break
 15162  		}
 15163  		v.reset(OpARM64NotEqual)
 15164  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 15165  		v1 := b.NewValue0(v.Pos, OpARM64MUL, x.Type)
 15166  		v1.AddArg2(x, y)
 15167  		v0.AddArg2(a, v1)
 15168  		v.AddArg(v0)
 15169  		return true
 15170  	}
 15171  	// match: (NotEqual (CMPWconst [0] z:(MADDW a x y)))
 15172  	// cond: z.Uses == 1
 15173  	// result: (NotEqual (CMNW a (MULW <x.Type> x y)))
 15174  	for {
 15175  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 15176  			break
 15177  		}
 15178  		z := v_0.Args[0]
 15179  		if z.Op != OpARM64MADDW {
 15180  			break
 15181  		}
 15182  		y := z.Args[2]
 15183  		a := z.Args[0]
 15184  		x := z.Args[1]
 15185  		if !(z.Uses == 1) {
 15186  			break
 15187  		}
 15188  		v.reset(OpARM64NotEqual)
 15189  		v0 := b.NewValue0(v.Pos, OpARM64CMNW, types.TypeFlags)
 15190  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
 15191  		v1.AddArg2(x, y)
 15192  		v0.AddArg2(a, v1)
 15193  		v.AddArg(v0)
 15194  		return true
 15195  	}
 15196  	// match: (NotEqual (CMPWconst [0] z:(MSUBW a x y)))
 15197  	// cond: z.Uses == 1
 15198  	// result: (NotEqual (CMPW a (MULW <x.Type> x y)))
 15199  	for {
 15200  		if v_0.Op != OpARM64CMPWconst || auxIntToInt32(v_0.AuxInt) != 0 {
 15201  			break
 15202  		}
 15203  		z := v_0.Args[0]
 15204  		if z.Op != OpARM64MSUBW {
 15205  			break
 15206  		}
 15207  		y := z.Args[2]
 15208  		a := z.Args[0]
 15209  		x := z.Args[1]
 15210  		if !(z.Uses == 1) {
 15211  			break
 15212  		}
 15213  		v.reset(OpARM64NotEqual)
 15214  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 15215  		v1 := b.NewValue0(v.Pos, OpARM64MULW, x.Type)
 15216  		v1.AddArg2(x, y)
 15217  		v0.AddArg2(a, v1)
 15218  		v.AddArg(v0)
 15219  		return true
 15220  	}
 15221  	// match: (NotEqual (FlagConstant [fc]))
 15222  	// result: (MOVDconst [b2i(fc.ne())])
 15223  	for {
 15224  		if v_0.Op != OpARM64FlagConstant {
 15225  			break
 15226  		}
 15227  		fc := auxIntToFlagConstant(v_0.AuxInt)
 15228  		v.reset(OpARM64MOVDconst)
 15229  		v.AuxInt = int64ToAuxInt(b2i(fc.ne()))
 15230  		return true
 15231  	}
 15232  	// match: (NotEqual (InvertFlags x))
 15233  	// result: (NotEqual x)
 15234  	for {
 15235  		if v_0.Op != OpARM64InvertFlags {
 15236  			break
 15237  		}
 15238  		x := v_0.Args[0]
 15239  		v.reset(OpARM64NotEqual)
 15240  		v.AddArg(x)
 15241  		return true
 15242  	}
 15243  	return false
 15244  }
 15245  func rewriteValueARM64_OpARM64OR(v *Value) bool {
 15246  	v_1 := v.Args[1]
 15247  	v_0 := v.Args[0]
 15248  	// match: (OR x (MOVDconst [c]))
 15249  	// result: (ORconst [c] x)
 15250  	for {
 15251  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 15252  			x := v_0
 15253  			if v_1.Op != OpARM64MOVDconst {
 15254  				continue
 15255  			}
 15256  			c := auxIntToInt64(v_1.AuxInt)
 15257  			v.reset(OpARM64ORconst)
 15258  			v.AuxInt = int64ToAuxInt(c)
 15259  			v.AddArg(x)
 15260  			return true
 15261  		}
 15262  		break
 15263  	}
 15264  	// match: (OR x x)
 15265  	// result: x
 15266  	for {
 15267  		x := v_0
 15268  		if x != v_1 {
 15269  			break
 15270  		}
 15271  		v.copyOf(x)
 15272  		return true
 15273  	}
 15274  	// match: (OR x (MVN y))
 15275  	// result: (ORN x y)
 15276  	for {
 15277  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 15278  			x := v_0
 15279  			if v_1.Op != OpARM64MVN {
 15280  				continue
 15281  			}
 15282  			y := v_1.Args[0]
 15283  			v.reset(OpARM64ORN)
 15284  			v.AddArg2(x, y)
 15285  			return true
 15286  		}
 15287  		break
 15288  	}
 15289  	// match: (OR x0 x1:(SLLconst [c] y))
 15290  	// cond: clobberIfDead(x1)
 15291  	// result: (ORshiftLL x0 y [c])
 15292  	for {
 15293  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 15294  			x0 := v_0
 15295  			x1 := v_1
 15296  			if x1.Op != OpARM64SLLconst {
 15297  				continue
 15298  			}
 15299  			c := auxIntToInt64(x1.AuxInt)
 15300  			y := x1.Args[0]
 15301  			if !(clobberIfDead(x1)) {
 15302  				continue
 15303  			}
 15304  			v.reset(OpARM64ORshiftLL)
 15305  			v.AuxInt = int64ToAuxInt(c)
 15306  			v.AddArg2(x0, y)
 15307  			return true
 15308  		}
 15309  		break
 15310  	}
 15311  	// match: (OR x0 x1:(SRLconst [c] y))
 15312  	// cond: clobberIfDead(x1)
 15313  	// result: (ORshiftRL x0 y [c])
 15314  	for {
 15315  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 15316  			x0 := v_0
 15317  			x1 := v_1
 15318  			if x1.Op != OpARM64SRLconst {
 15319  				continue
 15320  			}
 15321  			c := auxIntToInt64(x1.AuxInt)
 15322  			y := x1.Args[0]
 15323  			if !(clobberIfDead(x1)) {
 15324  				continue
 15325  			}
 15326  			v.reset(OpARM64ORshiftRL)
 15327  			v.AuxInt = int64ToAuxInt(c)
 15328  			v.AddArg2(x0, y)
 15329  			return true
 15330  		}
 15331  		break
 15332  	}
 15333  	// match: (OR x0 x1:(SRAconst [c] y))
 15334  	// cond: clobberIfDead(x1)
 15335  	// result: (ORshiftRA x0 y [c])
 15336  	for {
 15337  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 15338  			x0 := v_0
 15339  			x1 := v_1
 15340  			if x1.Op != OpARM64SRAconst {
 15341  				continue
 15342  			}
 15343  			c := auxIntToInt64(x1.AuxInt)
 15344  			y := x1.Args[0]
 15345  			if !(clobberIfDead(x1)) {
 15346  				continue
 15347  			}
 15348  			v.reset(OpARM64ORshiftRA)
 15349  			v.AuxInt = int64ToAuxInt(c)
 15350  			v.AddArg2(x0, y)
 15351  			return true
 15352  		}
 15353  		break
 15354  	}
 15355  	// match: (OR x0 x1:(RORconst [c] y))
 15356  	// cond: clobberIfDead(x1)
 15357  	// result: (ORshiftRO x0 y [c])
 15358  	for {
 15359  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 15360  			x0 := v_0
 15361  			x1 := v_1
 15362  			if x1.Op != OpARM64RORconst {
 15363  				continue
 15364  			}
 15365  			c := auxIntToInt64(x1.AuxInt)
 15366  			y := x1.Args[0]
 15367  			if !(clobberIfDead(x1)) {
 15368  				continue
 15369  			}
 15370  			v.reset(OpARM64ORshiftRO)
 15371  			v.AuxInt = int64ToAuxInt(c)
 15372  			v.AddArg2(x0, y)
 15373  			return true
 15374  		}
 15375  		break
 15376  	}
 15377  	// match: (OR (UBFIZ [bfc] x) (ANDconst [ac] y))
 15378  	// cond: ac == ^((1<<uint(bfc.getARM64BFwidth())-1) << uint(bfc.getARM64BFlsb()))
 15379  	// result: (BFI [bfc] y x)
 15380  	for {
 15381  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 15382  			if v_0.Op != OpARM64UBFIZ {
 15383  				continue
 15384  			}
 15385  			bfc := auxIntToArm64BitField(v_0.AuxInt)
 15386  			x := v_0.Args[0]
 15387  			if v_1.Op != OpARM64ANDconst {
 15388  				continue
 15389  			}
 15390  			ac := auxIntToInt64(v_1.AuxInt)
 15391  			y := v_1.Args[0]
 15392  			if !(ac == ^((1<<uint(bfc.getARM64BFwidth()) - 1) << uint(bfc.getARM64BFlsb()))) {
 15393  				continue
 15394  			}
 15395  			v.reset(OpARM64BFI)
 15396  			v.AuxInt = arm64BitFieldToAuxInt(bfc)
 15397  			v.AddArg2(y, x)
 15398  			return true
 15399  		}
 15400  		break
 15401  	}
 15402  	// match: (OR (UBFX [bfc] x) (ANDconst [ac] y))
 15403  	// cond: ac == ^(1<<uint(bfc.getARM64BFwidth())-1)
 15404  	// result: (BFXIL [bfc] y x)
 15405  	for {
 15406  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 15407  			if v_0.Op != OpARM64UBFX {
 15408  				continue
 15409  			}
 15410  			bfc := auxIntToArm64BitField(v_0.AuxInt)
 15411  			x := v_0.Args[0]
 15412  			if v_1.Op != OpARM64ANDconst {
 15413  				continue
 15414  			}
 15415  			ac := auxIntToInt64(v_1.AuxInt)
 15416  			y := v_1.Args[0]
 15417  			if !(ac == ^(1<<uint(bfc.getARM64BFwidth()) - 1)) {
 15418  				continue
 15419  			}
 15420  			v.reset(OpARM64BFXIL)
 15421  			v.AuxInt = arm64BitFieldToAuxInt(bfc)
 15422  			v.AddArg2(y, x)
 15423  			return true
 15424  		}
 15425  		break
 15426  	}
 15427  	return false
 15428  }
 15429  func rewriteValueARM64_OpARM64ORN(v *Value) bool {
 15430  	v_1 := v.Args[1]
 15431  	v_0 := v.Args[0]
 15432  	// match: (ORN x (MOVDconst [c]))
 15433  	// result: (ORconst [^c] x)
 15434  	for {
 15435  		x := v_0
 15436  		if v_1.Op != OpARM64MOVDconst {
 15437  			break
 15438  		}
 15439  		c := auxIntToInt64(v_1.AuxInt)
 15440  		v.reset(OpARM64ORconst)
 15441  		v.AuxInt = int64ToAuxInt(^c)
 15442  		v.AddArg(x)
 15443  		return true
 15444  	}
 15445  	// match: (ORN x x)
 15446  	// result: (MOVDconst [-1])
 15447  	for {
 15448  		x := v_0
 15449  		if x != v_1 {
 15450  			break
 15451  		}
 15452  		v.reset(OpARM64MOVDconst)
 15453  		v.AuxInt = int64ToAuxInt(-1)
 15454  		return true
 15455  	}
 15456  	// match: (ORN x0 x1:(SLLconst [c] y))
 15457  	// cond: clobberIfDead(x1)
 15458  	// result: (ORNshiftLL x0 y [c])
 15459  	for {
 15460  		x0 := v_0
 15461  		x1 := v_1
 15462  		if x1.Op != OpARM64SLLconst {
 15463  			break
 15464  		}
 15465  		c := auxIntToInt64(x1.AuxInt)
 15466  		y := x1.Args[0]
 15467  		if !(clobberIfDead(x1)) {
 15468  			break
 15469  		}
 15470  		v.reset(OpARM64ORNshiftLL)
 15471  		v.AuxInt = int64ToAuxInt(c)
 15472  		v.AddArg2(x0, y)
 15473  		return true
 15474  	}
 15475  	// match: (ORN x0 x1:(SRLconst [c] y))
 15476  	// cond: clobberIfDead(x1)
 15477  	// result: (ORNshiftRL x0 y [c])
 15478  	for {
 15479  		x0 := v_0
 15480  		x1 := v_1
 15481  		if x1.Op != OpARM64SRLconst {
 15482  			break
 15483  		}
 15484  		c := auxIntToInt64(x1.AuxInt)
 15485  		y := x1.Args[0]
 15486  		if !(clobberIfDead(x1)) {
 15487  			break
 15488  		}
 15489  		v.reset(OpARM64ORNshiftRL)
 15490  		v.AuxInt = int64ToAuxInt(c)
 15491  		v.AddArg2(x0, y)
 15492  		return true
 15493  	}
 15494  	// match: (ORN x0 x1:(SRAconst [c] y))
 15495  	// cond: clobberIfDead(x1)
 15496  	// result: (ORNshiftRA x0 y [c])
 15497  	for {
 15498  		x0 := v_0
 15499  		x1 := v_1
 15500  		if x1.Op != OpARM64SRAconst {
 15501  			break
 15502  		}
 15503  		c := auxIntToInt64(x1.AuxInt)
 15504  		y := x1.Args[0]
 15505  		if !(clobberIfDead(x1)) {
 15506  			break
 15507  		}
 15508  		v.reset(OpARM64ORNshiftRA)
 15509  		v.AuxInt = int64ToAuxInt(c)
 15510  		v.AddArg2(x0, y)
 15511  		return true
 15512  	}
 15513  	// match: (ORN x0 x1:(RORconst [c] y))
 15514  	// cond: clobberIfDead(x1)
 15515  	// result: (ORNshiftRO x0 y [c])
 15516  	for {
 15517  		x0 := v_0
 15518  		x1 := v_1
 15519  		if x1.Op != OpARM64RORconst {
 15520  			break
 15521  		}
 15522  		c := auxIntToInt64(x1.AuxInt)
 15523  		y := x1.Args[0]
 15524  		if !(clobberIfDead(x1)) {
 15525  			break
 15526  		}
 15527  		v.reset(OpARM64ORNshiftRO)
 15528  		v.AuxInt = int64ToAuxInt(c)
 15529  		v.AddArg2(x0, y)
 15530  		return true
 15531  	}
 15532  	return false
 15533  }
 15534  func rewriteValueARM64_OpARM64ORNshiftLL(v *Value) bool {
 15535  	v_1 := v.Args[1]
 15536  	v_0 := v.Args[0]
 15537  	// match: (ORNshiftLL x (MOVDconst [c]) [d])
 15538  	// result: (ORconst x [^int64(uint64(c)<<uint64(d))])
 15539  	for {
 15540  		d := auxIntToInt64(v.AuxInt)
 15541  		x := v_0
 15542  		if v_1.Op != OpARM64MOVDconst {
 15543  			break
 15544  		}
 15545  		c := auxIntToInt64(v_1.AuxInt)
 15546  		v.reset(OpARM64ORconst)
 15547  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) << uint64(d)))
 15548  		v.AddArg(x)
 15549  		return true
 15550  	}
 15551  	// match: (ORNshiftLL (SLLconst x [c]) x [c])
 15552  	// result: (MOVDconst [-1])
 15553  	for {
 15554  		c := auxIntToInt64(v.AuxInt)
 15555  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
 15556  			break
 15557  		}
 15558  		x := v_0.Args[0]
 15559  		if x != v_1 {
 15560  			break
 15561  		}
 15562  		v.reset(OpARM64MOVDconst)
 15563  		v.AuxInt = int64ToAuxInt(-1)
 15564  		return true
 15565  	}
 15566  	return false
 15567  }
 15568  func rewriteValueARM64_OpARM64ORNshiftRA(v *Value) bool {
 15569  	v_1 := v.Args[1]
 15570  	v_0 := v.Args[0]
 15571  	// match: (ORNshiftRA x (MOVDconst [c]) [d])
 15572  	// result: (ORconst x [^(c>>uint64(d))])
 15573  	for {
 15574  		d := auxIntToInt64(v.AuxInt)
 15575  		x := v_0
 15576  		if v_1.Op != OpARM64MOVDconst {
 15577  			break
 15578  		}
 15579  		c := auxIntToInt64(v_1.AuxInt)
 15580  		v.reset(OpARM64ORconst)
 15581  		v.AuxInt = int64ToAuxInt(^(c >> uint64(d)))
 15582  		v.AddArg(x)
 15583  		return true
 15584  	}
 15585  	// match: (ORNshiftRA (SRAconst x [c]) x [c])
 15586  	// result: (MOVDconst [-1])
 15587  	for {
 15588  		c := auxIntToInt64(v.AuxInt)
 15589  		if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c {
 15590  			break
 15591  		}
 15592  		x := v_0.Args[0]
 15593  		if x != v_1 {
 15594  			break
 15595  		}
 15596  		v.reset(OpARM64MOVDconst)
 15597  		v.AuxInt = int64ToAuxInt(-1)
 15598  		return true
 15599  	}
 15600  	return false
 15601  }
 15602  func rewriteValueARM64_OpARM64ORNshiftRL(v *Value) bool {
 15603  	v_1 := v.Args[1]
 15604  	v_0 := v.Args[0]
 15605  	// match: (ORNshiftRL x (MOVDconst [c]) [d])
 15606  	// result: (ORconst x [^int64(uint64(c)>>uint64(d))])
 15607  	for {
 15608  		d := auxIntToInt64(v.AuxInt)
 15609  		x := v_0
 15610  		if v_1.Op != OpARM64MOVDconst {
 15611  			break
 15612  		}
 15613  		c := auxIntToInt64(v_1.AuxInt)
 15614  		v.reset(OpARM64ORconst)
 15615  		v.AuxInt = int64ToAuxInt(^int64(uint64(c) >> uint64(d)))
 15616  		v.AddArg(x)
 15617  		return true
 15618  	}
 15619  	// match: (ORNshiftRL (SRLconst x [c]) x [c])
 15620  	// result: (MOVDconst [-1])
 15621  	for {
 15622  		c := auxIntToInt64(v.AuxInt)
 15623  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
 15624  			break
 15625  		}
 15626  		x := v_0.Args[0]
 15627  		if x != v_1 {
 15628  			break
 15629  		}
 15630  		v.reset(OpARM64MOVDconst)
 15631  		v.AuxInt = int64ToAuxInt(-1)
 15632  		return true
 15633  	}
 15634  	return false
 15635  }
 15636  func rewriteValueARM64_OpARM64ORNshiftRO(v *Value) bool {
 15637  	v_1 := v.Args[1]
 15638  	v_0 := v.Args[0]
 15639  	// match: (ORNshiftRO x (MOVDconst [c]) [d])
 15640  	// result: (ORconst x [^rotateRight64(c, d)])
 15641  	for {
 15642  		d := auxIntToInt64(v.AuxInt)
 15643  		x := v_0
 15644  		if v_1.Op != OpARM64MOVDconst {
 15645  			break
 15646  		}
 15647  		c := auxIntToInt64(v_1.AuxInt)
 15648  		v.reset(OpARM64ORconst)
 15649  		v.AuxInt = int64ToAuxInt(^rotateRight64(c, d))
 15650  		v.AddArg(x)
 15651  		return true
 15652  	}
 15653  	// match: (ORNshiftRO (RORconst x [c]) x [c])
 15654  	// result: (MOVDconst [-1])
 15655  	for {
 15656  		c := auxIntToInt64(v.AuxInt)
 15657  		if v_0.Op != OpARM64RORconst || auxIntToInt64(v_0.AuxInt) != c {
 15658  			break
 15659  		}
 15660  		x := v_0.Args[0]
 15661  		if x != v_1 {
 15662  			break
 15663  		}
 15664  		v.reset(OpARM64MOVDconst)
 15665  		v.AuxInt = int64ToAuxInt(-1)
 15666  		return true
 15667  	}
 15668  	return false
 15669  }
 15670  func rewriteValueARM64_OpARM64ORconst(v *Value) bool {
 15671  	v_0 := v.Args[0]
 15672  	// match: (ORconst [0] x)
 15673  	// result: x
 15674  	for {
 15675  		if auxIntToInt64(v.AuxInt) != 0 {
 15676  			break
 15677  		}
 15678  		x := v_0
 15679  		v.copyOf(x)
 15680  		return true
 15681  	}
 15682  	// match: (ORconst [-1] _)
 15683  	// result: (MOVDconst [-1])
 15684  	for {
 15685  		if auxIntToInt64(v.AuxInt) != -1 {
 15686  			break
 15687  		}
 15688  		v.reset(OpARM64MOVDconst)
 15689  		v.AuxInt = int64ToAuxInt(-1)
 15690  		return true
 15691  	}
 15692  	// match: (ORconst [c] (MOVDconst [d]))
 15693  	// result: (MOVDconst [c|d])
 15694  	for {
 15695  		c := auxIntToInt64(v.AuxInt)
 15696  		if v_0.Op != OpARM64MOVDconst {
 15697  			break
 15698  		}
 15699  		d := auxIntToInt64(v_0.AuxInt)
 15700  		v.reset(OpARM64MOVDconst)
 15701  		v.AuxInt = int64ToAuxInt(c | d)
 15702  		return true
 15703  	}
 15704  	// match: (ORconst [c] (ORconst [d] x))
 15705  	// result: (ORconst [c|d] x)
 15706  	for {
 15707  		c := auxIntToInt64(v.AuxInt)
 15708  		if v_0.Op != OpARM64ORconst {
 15709  			break
 15710  		}
 15711  		d := auxIntToInt64(v_0.AuxInt)
 15712  		x := v_0.Args[0]
 15713  		v.reset(OpARM64ORconst)
 15714  		v.AuxInt = int64ToAuxInt(c | d)
 15715  		v.AddArg(x)
 15716  		return true
 15717  	}
 15718  	// match: (ORconst [c1] (ANDconst [c2] x))
 15719  	// cond: c2|c1 == ^0
 15720  	// result: (ORconst [c1] x)
 15721  	for {
 15722  		c1 := auxIntToInt64(v.AuxInt)
 15723  		if v_0.Op != OpARM64ANDconst {
 15724  			break
 15725  		}
 15726  		c2 := auxIntToInt64(v_0.AuxInt)
 15727  		x := v_0.Args[0]
 15728  		if !(c2|c1 == ^0) {
 15729  			break
 15730  		}
 15731  		v.reset(OpARM64ORconst)
 15732  		v.AuxInt = int64ToAuxInt(c1)
 15733  		v.AddArg(x)
 15734  		return true
 15735  	}
 15736  	return false
 15737  }
 15738  func rewriteValueARM64_OpARM64ORshiftLL(v *Value) bool {
 15739  	v_1 := v.Args[1]
 15740  	v_0 := v.Args[0]
 15741  	b := v.Block
 15742  	typ := &b.Func.Config.Types
 15743  	// match: (ORshiftLL (MOVDconst [c]) x [d])
 15744  	// result: (ORconst [c] (SLLconst <x.Type> x [d]))
 15745  	for {
 15746  		d := auxIntToInt64(v.AuxInt)
 15747  		if v_0.Op != OpARM64MOVDconst {
 15748  			break
 15749  		}
 15750  		c := auxIntToInt64(v_0.AuxInt)
 15751  		x := v_1
 15752  		v.reset(OpARM64ORconst)
 15753  		v.AuxInt = int64ToAuxInt(c)
 15754  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 15755  		v0.AuxInt = int64ToAuxInt(d)
 15756  		v0.AddArg(x)
 15757  		v.AddArg(v0)
 15758  		return true
 15759  	}
 15760  	// match: (ORshiftLL x (MOVDconst [c]) [d])
 15761  	// result: (ORconst x [int64(uint64(c)<<uint64(d))])
 15762  	for {
 15763  		d := auxIntToInt64(v.AuxInt)
 15764  		x := v_0
 15765  		if v_1.Op != OpARM64MOVDconst {
 15766  			break
 15767  		}
 15768  		c := auxIntToInt64(v_1.AuxInt)
 15769  		v.reset(OpARM64ORconst)
 15770  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
 15771  		v.AddArg(x)
 15772  		return true
 15773  	}
 15774  	// match: (ORshiftLL y:(SLLconst x [c]) x [c])
 15775  	// result: y
 15776  	for {
 15777  		c := auxIntToInt64(v.AuxInt)
 15778  		y := v_0
 15779  		if y.Op != OpARM64SLLconst || auxIntToInt64(y.AuxInt) != c {
 15780  			break
 15781  		}
 15782  		x := y.Args[0]
 15783  		if x != v_1 {
 15784  			break
 15785  		}
 15786  		v.copyOf(y)
 15787  		return true
 15788  	}
 15789  	// match: (ORshiftLL <typ.UInt16> [8] (UBFX <typ.UInt16> [armBFAuxInt(8, 8)] x) x)
 15790  	// result: (REV16W x)
 15791  	for {
 15792  		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) {
 15793  			break
 15794  		}
 15795  		x := v_0.Args[0]
 15796  		if x != v_1 {
 15797  			break
 15798  		}
 15799  		v.reset(OpARM64REV16W)
 15800  		v.AddArg(x)
 15801  		return true
 15802  	}
 15803  	// match: (ORshiftLL [8] (UBFX [armBFAuxInt(8, 24)] (ANDconst [c1] x)) (ANDconst [c2] x))
 15804  	// cond: uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff
 15805  	// result: (REV16W x)
 15806  	for {
 15807  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 24) {
 15808  			break
 15809  		}
 15810  		v_0_0 := v_0.Args[0]
 15811  		if v_0_0.Op != OpARM64ANDconst {
 15812  			break
 15813  		}
 15814  		c1 := auxIntToInt64(v_0_0.AuxInt)
 15815  		x := v_0_0.Args[0]
 15816  		if v_1.Op != OpARM64ANDconst {
 15817  			break
 15818  		}
 15819  		c2 := auxIntToInt64(v_1.AuxInt)
 15820  		if x != v_1.Args[0] || !(uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff) {
 15821  			break
 15822  		}
 15823  		v.reset(OpARM64REV16W)
 15824  		v.AddArg(x)
 15825  		return true
 15826  	}
 15827  	// match: (ORshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
 15828  	// cond: (uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff)
 15829  	// result: (REV16 x)
 15830  	for {
 15831  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
 15832  			break
 15833  		}
 15834  		v_0_0 := v_0.Args[0]
 15835  		if v_0_0.Op != OpARM64ANDconst {
 15836  			break
 15837  		}
 15838  		c1 := auxIntToInt64(v_0_0.AuxInt)
 15839  		x := v_0_0.Args[0]
 15840  		if v_1.Op != OpARM64ANDconst {
 15841  			break
 15842  		}
 15843  		c2 := auxIntToInt64(v_1.AuxInt)
 15844  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff) {
 15845  			break
 15846  		}
 15847  		v.reset(OpARM64REV16)
 15848  		v.AddArg(x)
 15849  		return true
 15850  	}
 15851  	// match: (ORshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
 15852  	// cond: (uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff)
 15853  	// result: (REV16 (ANDconst <x.Type> [0xffffffff] x))
 15854  	for {
 15855  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
 15856  			break
 15857  		}
 15858  		v_0_0 := v_0.Args[0]
 15859  		if v_0_0.Op != OpARM64ANDconst {
 15860  			break
 15861  		}
 15862  		c1 := auxIntToInt64(v_0_0.AuxInt)
 15863  		x := v_0_0.Args[0]
 15864  		if v_1.Op != OpARM64ANDconst {
 15865  			break
 15866  		}
 15867  		c2 := auxIntToInt64(v_1.AuxInt)
 15868  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff) {
 15869  			break
 15870  		}
 15871  		v.reset(OpARM64REV16)
 15872  		v0 := b.NewValue0(v.Pos, OpARM64ANDconst, x.Type)
 15873  		v0.AuxInt = int64ToAuxInt(0xffffffff)
 15874  		v0.AddArg(x)
 15875  		v.AddArg(v0)
 15876  		return true
 15877  	}
 15878  	// match: ( ORshiftLL [c] (SRLconst x [64-c]) x2)
 15879  	// result: (EXTRconst [64-c] x2 x)
 15880  	for {
 15881  		c := auxIntToInt64(v.AuxInt)
 15882  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 64-c {
 15883  			break
 15884  		}
 15885  		x := v_0.Args[0]
 15886  		x2 := v_1
 15887  		v.reset(OpARM64EXTRconst)
 15888  		v.AuxInt = int64ToAuxInt(64 - c)
 15889  		v.AddArg2(x2, x)
 15890  		return true
 15891  	}
 15892  	// match: ( ORshiftLL <t> [c] (UBFX [bfc] x) x2)
 15893  	// cond: c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)
 15894  	// result: (EXTRWconst [32-c] x2 x)
 15895  	for {
 15896  		t := v.Type
 15897  		c := auxIntToInt64(v.AuxInt)
 15898  		if v_0.Op != OpARM64UBFX {
 15899  			break
 15900  		}
 15901  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 15902  		x := v_0.Args[0]
 15903  		x2 := v_1
 15904  		if !(c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)) {
 15905  			break
 15906  		}
 15907  		v.reset(OpARM64EXTRWconst)
 15908  		v.AuxInt = int64ToAuxInt(32 - c)
 15909  		v.AddArg2(x2, x)
 15910  		return true
 15911  	}
 15912  	// match: (ORshiftLL [sc] (UBFX [bfc] x) (SRLconst [sc] y))
 15913  	// cond: sc == bfc.getARM64BFwidth()
 15914  	// result: (BFXIL [bfc] y x)
 15915  	for {
 15916  		sc := auxIntToInt64(v.AuxInt)
 15917  		if v_0.Op != OpARM64UBFX {
 15918  			break
 15919  		}
 15920  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 15921  		x := v_0.Args[0]
 15922  		if v_1.Op != OpARM64SRLconst || auxIntToInt64(v_1.AuxInt) != sc {
 15923  			break
 15924  		}
 15925  		y := v_1.Args[0]
 15926  		if !(sc == bfc.getARM64BFwidth()) {
 15927  			break
 15928  		}
 15929  		v.reset(OpARM64BFXIL)
 15930  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 15931  		v.AddArg2(y, x)
 15932  		return true
 15933  	}
 15934  	return false
 15935  }
 15936  func rewriteValueARM64_OpARM64ORshiftRA(v *Value) bool {
 15937  	v_1 := v.Args[1]
 15938  	v_0 := v.Args[0]
 15939  	b := v.Block
 15940  	// match: (ORshiftRA (MOVDconst [c]) x [d])
 15941  	// result: (ORconst [c] (SRAconst <x.Type> x [d]))
 15942  	for {
 15943  		d := auxIntToInt64(v.AuxInt)
 15944  		if v_0.Op != OpARM64MOVDconst {
 15945  			break
 15946  		}
 15947  		c := auxIntToInt64(v_0.AuxInt)
 15948  		x := v_1
 15949  		v.reset(OpARM64ORconst)
 15950  		v.AuxInt = int64ToAuxInt(c)
 15951  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
 15952  		v0.AuxInt = int64ToAuxInt(d)
 15953  		v0.AddArg(x)
 15954  		v.AddArg(v0)
 15955  		return true
 15956  	}
 15957  	// match: (ORshiftRA x (MOVDconst [c]) [d])
 15958  	// result: (ORconst x [c>>uint64(d)])
 15959  	for {
 15960  		d := auxIntToInt64(v.AuxInt)
 15961  		x := v_0
 15962  		if v_1.Op != OpARM64MOVDconst {
 15963  			break
 15964  		}
 15965  		c := auxIntToInt64(v_1.AuxInt)
 15966  		v.reset(OpARM64ORconst)
 15967  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
 15968  		v.AddArg(x)
 15969  		return true
 15970  	}
 15971  	// match: (ORshiftRA y:(SRAconst x [c]) x [c])
 15972  	// result: y
 15973  	for {
 15974  		c := auxIntToInt64(v.AuxInt)
 15975  		y := v_0
 15976  		if y.Op != OpARM64SRAconst || auxIntToInt64(y.AuxInt) != c {
 15977  			break
 15978  		}
 15979  		x := y.Args[0]
 15980  		if x != v_1 {
 15981  			break
 15982  		}
 15983  		v.copyOf(y)
 15984  		return true
 15985  	}
 15986  	return false
 15987  }
 15988  func rewriteValueARM64_OpARM64ORshiftRL(v *Value) bool {
 15989  	v_1 := v.Args[1]
 15990  	v_0 := v.Args[0]
 15991  	b := v.Block
 15992  	// match: (ORshiftRL (MOVDconst [c]) x [d])
 15993  	// result: (ORconst [c] (SRLconst <x.Type> x [d]))
 15994  	for {
 15995  		d := auxIntToInt64(v.AuxInt)
 15996  		if v_0.Op != OpARM64MOVDconst {
 15997  			break
 15998  		}
 15999  		c := auxIntToInt64(v_0.AuxInt)
 16000  		x := v_1
 16001  		v.reset(OpARM64ORconst)
 16002  		v.AuxInt = int64ToAuxInt(c)
 16003  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
 16004  		v0.AuxInt = int64ToAuxInt(d)
 16005  		v0.AddArg(x)
 16006  		v.AddArg(v0)
 16007  		return true
 16008  	}
 16009  	// match: (ORshiftRL x (MOVDconst [c]) [d])
 16010  	// result: (ORconst x [int64(uint64(c)>>uint64(d))])
 16011  	for {
 16012  		d := auxIntToInt64(v.AuxInt)
 16013  		x := v_0
 16014  		if v_1.Op != OpARM64MOVDconst {
 16015  			break
 16016  		}
 16017  		c := auxIntToInt64(v_1.AuxInt)
 16018  		v.reset(OpARM64ORconst)
 16019  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
 16020  		v.AddArg(x)
 16021  		return true
 16022  	}
 16023  	// match: (ORshiftRL y:(SRLconst x [c]) x [c])
 16024  	// result: y
 16025  	for {
 16026  		c := auxIntToInt64(v.AuxInt)
 16027  		y := v_0
 16028  		if y.Op != OpARM64SRLconst || auxIntToInt64(y.AuxInt) != c {
 16029  			break
 16030  		}
 16031  		x := y.Args[0]
 16032  		if x != v_1 {
 16033  			break
 16034  		}
 16035  		v.copyOf(y)
 16036  		return true
 16037  	}
 16038  	// match: (ORshiftRL [rc] (ANDconst [ac] x) (SLLconst [lc] y))
 16039  	// cond: lc > rc && ac == ^((1<<uint(64-lc)-1) << uint64(lc-rc))
 16040  	// result: (BFI [armBFAuxInt(lc-rc, 64-lc)] x y)
 16041  	for {
 16042  		rc := auxIntToInt64(v.AuxInt)
 16043  		if v_0.Op != OpARM64ANDconst {
 16044  			break
 16045  		}
 16046  		ac := auxIntToInt64(v_0.AuxInt)
 16047  		x := v_0.Args[0]
 16048  		if v_1.Op != OpARM64SLLconst {
 16049  			break
 16050  		}
 16051  		lc := auxIntToInt64(v_1.AuxInt)
 16052  		y := v_1.Args[0]
 16053  		if !(lc > rc && ac == ^((1<<uint(64-lc)-1)<<uint64(lc-rc))) {
 16054  			break
 16055  		}
 16056  		v.reset(OpARM64BFI)
 16057  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc-rc, 64-lc))
 16058  		v.AddArg2(x, y)
 16059  		return true
 16060  	}
 16061  	// match: (ORshiftRL [rc] (ANDconst [ac] y) (SLLconst [lc] x))
 16062  	// cond: lc < rc && ac == ^((1<<uint(64-rc)-1))
 16063  	// result: (BFXIL [armBFAuxInt(rc-lc, 64-rc)] y x)
 16064  	for {
 16065  		rc := auxIntToInt64(v.AuxInt)
 16066  		if v_0.Op != OpARM64ANDconst {
 16067  			break
 16068  		}
 16069  		ac := auxIntToInt64(v_0.AuxInt)
 16070  		y := v_0.Args[0]
 16071  		if v_1.Op != OpARM64SLLconst {
 16072  			break
 16073  		}
 16074  		lc := auxIntToInt64(v_1.AuxInt)
 16075  		x := v_1.Args[0]
 16076  		if !(lc < rc && ac == ^(1<<uint(64-rc)-1)) {
 16077  			break
 16078  		}
 16079  		v.reset(OpARM64BFXIL)
 16080  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc-lc, 64-rc))
 16081  		v.AddArg2(y, x)
 16082  		return true
 16083  	}
 16084  	return false
 16085  }
 16086  func rewriteValueARM64_OpARM64ORshiftRO(v *Value) bool {
 16087  	v_1 := v.Args[1]
 16088  	v_0 := v.Args[0]
 16089  	b := v.Block
 16090  	// match: (ORshiftRO (MOVDconst [c]) x [d])
 16091  	// result: (ORconst [c] (RORconst <x.Type> x [d]))
 16092  	for {
 16093  		d := auxIntToInt64(v.AuxInt)
 16094  		if v_0.Op != OpARM64MOVDconst {
 16095  			break
 16096  		}
 16097  		c := auxIntToInt64(v_0.AuxInt)
 16098  		x := v_1
 16099  		v.reset(OpARM64ORconst)
 16100  		v.AuxInt = int64ToAuxInt(c)
 16101  		v0 := b.NewValue0(v.Pos, OpARM64RORconst, x.Type)
 16102  		v0.AuxInt = int64ToAuxInt(d)
 16103  		v0.AddArg(x)
 16104  		v.AddArg(v0)
 16105  		return true
 16106  	}
 16107  	// match: (ORshiftRO x (MOVDconst [c]) [d])
 16108  	// result: (ORconst x [rotateRight64(c, d)])
 16109  	for {
 16110  		d := auxIntToInt64(v.AuxInt)
 16111  		x := v_0
 16112  		if v_1.Op != OpARM64MOVDconst {
 16113  			break
 16114  		}
 16115  		c := auxIntToInt64(v_1.AuxInt)
 16116  		v.reset(OpARM64ORconst)
 16117  		v.AuxInt = int64ToAuxInt(rotateRight64(c, d))
 16118  		v.AddArg(x)
 16119  		return true
 16120  	}
 16121  	// match: (ORshiftRO y:(RORconst x [c]) x [c])
 16122  	// result: y
 16123  	for {
 16124  		c := auxIntToInt64(v.AuxInt)
 16125  		y := v_0
 16126  		if y.Op != OpARM64RORconst || auxIntToInt64(y.AuxInt) != c {
 16127  			break
 16128  		}
 16129  		x := y.Args[0]
 16130  		if x != v_1 {
 16131  			break
 16132  		}
 16133  		v.copyOf(y)
 16134  		return true
 16135  	}
 16136  	return false
 16137  }
 16138  func rewriteValueARM64_OpARM64REV(v *Value) bool {
 16139  	v_0 := v.Args[0]
 16140  	// match: (REV (REV p))
 16141  	// result: p
 16142  	for {
 16143  		if v_0.Op != OpARM64REV {
 16144  			break
 16145  		}
 16146  		p := v_0.Args[0]
 16147  		v.copyOf(p)
 16148  		return true
 16149  	}
 16150  	return false
 16151  }
 16152  func rewriteValueARM64_OpARM64REVW(v *Value) bool {
 16153  	v_0 := v.Args[0]
 16154  	// match: (REVW (REVW p))
 16155  	// result: p
 16156  	for {
 16157  		if v_0.Op != OpARM64REVW {
 16158  			break
 16159  		}
 16160  		p := v_0.Args[0]
 16161  		v.copyOf(p)
 16162  		return true
 16163  	}
 16164  	return false
 16165  }
 16166  func rewriteValueARM64_OpARM64ROR(v *Value) bool {
 16167  	v_1 := v.Args[1]
 16168  	v_0 := v.Args[0]
 16169  	// match: (ROR x (MOVDconst [c]))
 16170  	// result: (RORconst x [c&63])
 16171  	for {
 16172  		x := v_0
 16173  		if v_1.Op != OpARM64MOVDconst {
 16174  			break
 16175  		}
 16176  		c := auxIntToInt64(v_1.AuxInt)
 16177  		v.reset(OpARM64RORconst)
 16178  		v.AuxInt = int64ToAuxInt(c & 63)
 16179  		v.AddArg(x)
 16180  		return true
 16181  	}
 16182  	return false
 16183  }
 16184  func rewriteValueARM64_OpARM64RORW(v *Value) bool {
 16185  	v_1 := v.Args[1]
 16186  	v_0 := v.Args[0]
 16187  	// match: (RORW x (MOVDconst [c]))
 16188  	// result: (RORWconst x [c&31])
 16189  	for {
 16190  		x := v_0
 16191  		if v_1.Op != OpARM64MOVDconst {
 16192  			break
 16193  		}
 16194  		c := auxIntToInt64(v_1.AuxInt)
 16195  		v.reset(OpARM64RORWconst)
 16196  		v.AuxInt = int64ToAuxInt(c & 31)
 16197  		v.AddArg(x)
 16198  		return true
 16199  	}
 16200  	return false
 16201  }
 16202  func rewriteValueARM64_OpARM64SBCSflags(v *Value) bool {
 16203  	v_2 := v.Args[2]
 16204  	v_1 := v.Args[1]
 16205  	v_0 := v.Args[0]
 16206  	b := v.Block
 16207  	typ := &b.Func.Config.Types
 16208  	// match: (SBCSflags x y (Select1 <types.TypeFlags> (NEGSflags (NEG <typ.UInt64> (NGCzerocarry <typ.UInt64> bo)))))
 16209  	// result: (SBCSflags x y bo)
 16210  	for {
 16211  		x := v_0
 16212  		y := v_1
 16213  		if v_2.Op != OpSelect1 || v_2.Type != types.TypeFlags {
 16214  			break
 16215  		}
 16216  		v_2_0 := v_2.Args[0]
 16217  		if v_2_0.Op != OpARM64NEGSflags {
 16218  			break
 16219  		}
 16220  		v_2_0_0 := v_2_0.Args[0]
 16221  		if v_2_0_0.Op != OpARM64NEG || v_2_0_0.Type != typ.UInt64 {
 16222  			break
 16223  		}
 16224  		v_2_0_0_0 := v_2_0_0.Args[0]
 16225  		if v_2_0_0_0.Op != OpARM64NGCzerocarry || v_2_0_0_0.Type != typ.UInt64 {
 16226  			break
 16227  		}
 16228  		bo := v_2_0_0_0.Args[0]
 16229  		v.reset(OpARM64SBCSflags)
 16230  		v.AddArg3(x, y, bo)
 16231  		return true
 16232  	}
 16233  	// match: (SBCSflags x y (Select1 <types.TypeFlags> (NEGSflags (MOVDconst [0]))))
 16234  	// result: (SUBSflags x y)
 16235  	for {
 16236  		x := v_0
 16237  		y := v_1
 16238  		if v_2.Op != OpSelect1 || v_2.Type != types.TypeFlags {
 16239  			break
 16240  		}
 16241  		v_2_0 := v_2.Args[0]
 16242  		if v_2_0.Op != OpARM64NEGSflags {
 16243  			break
 16244  		}
 16245  		v_2_0_0 := v_2_0.Args[0]
 16246  		if v_2_0_0.Op != OpARM64MOVDconst || auxIntToInt64(v_2_0_0.AuxInt) != 0 {
 16247  			break
 16248  		}
 16249  		v.reset(OpARM64SUBSflags)
 16250  		v.AddArg2(x, y)
 16251  		return true
 16252  	}
 16253  	return false
 16254  }
 16255  func rewriteValueARM64_OpARM64SLL(v *Value) bool {
 16256  	v_1 := v.Args[1]
 16257  	v_0 := v.Args[0]
 16258  	// match: (SLL x (MOVDconst [c]))
 16259  	// result: (SLLconst x [c&63])
 16260  	for {
 16261  		x := v_0
 16262  		if v_1.Op != OpARM64MOVDconst {
 16263  			break
 16264  		}
 16265  		c := auxIntToInt64(v_1.AuxInt)
 16266  		v.reset(OpARM64SLLconst)
 16267  		v.AuxInt = int64ToAuxInt(c & 63)
 16268  		v.AddArg(x)
 16269  		return true
 16270  	}
 16271  	// match: (SLL x (ANDconst [63] y))
 16272  	// result: (SLL x y)
 16273  	for {
 16274  		x := v_0
 16275  		if v_1.Op != OpARM64ANDconst || auxIntToInt64(v_1.AuxInt) != 63 {
 16276  			break
 16277  		}
 16278  		y := v_1.Args[0]
 16279  		v.reset(OpARM64SLL)
 16280  		v.AddArg2(x, y)
 16281  		return true
 16282  	}
 16283  	return false
 16284  }
 16285  func rewriteValueARM64_OpARM64SLLconst(v *Value) bool {
 16286  	v_0 := v.Args[0]
 16287  	// match: (SLLconst [c] (MOVDconst [d]))
 16288  	// result: (MOVDconst [d<<uint64(c)])
 16289  	for {
 16290  		c := auxIntToInt64(v.AuxInt)
 16291  		if v_0.Op != OpARM64MOVDconst {
 16292  			break
 16293  		}
 16294  		d := auxIntToInt64(v_0.AuxInt)
 16295  		v.reset(OpARM64MOVDconst)
 16296  		v.AuxInt = int64ToAuxInt(d << uint64(c))
 16297  		return true
 16298  	}
 16299  	// match: (SLLconst [c] (SRLconst [c] x))
 16300  	// cond: 0 < c && c < 64
 16301  	// result: (ANDconst [^(1<<uint(c)-1)] x)
 16302  	for {
 16303  		c := auxIntToInt64(v.AuxInt)
 16304  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
 16305  			break
 16306  		}
 16307  		x := v_0.Args[0]
 16308  		if !(0 < c && c < 64) {
 16309  			break
 16310  		}
 16311  		v.reset(OpARM64ANDconst)
 16312  		v.AuxInt = int64ToAuxInt(^(1<<uint(c) - 1))
 16313  		v.AddArg(x)
 16314  		return true
 16315  	}
 16316  	// match: (SLLconst [lc] (MOVWreg x))
 16317  	// result: (SBFIZ [armBFAuxInt(lc, min(32, 64-lc))] x)
 16318  	for {
 16319  		lc := auxIntToInt64(v.AuxInt)
 16320  		if v_0.Op != OpARM64MOVWreg {
 16321  			break
 16322  		}
 16323  		x := v_0.Args[0]
 16324  		v.reset(OpARM64SBFIZ)
 16325  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(32, 64-lc)))
 16326  		v.AddArg(x)
 16327  		return true
 16328  	}
 16329  	// match: (SLLconst [lc] (MOVHreg x))
 16330  	// result: (SBFIZ [armBFAuxInt(lc, min(16, 64-lc))] x)
 16331  	for {
 16332  		lc := auxIntToInt64(v.AuxInt)
 16333  		if v_0.Op != OpARM64MOVHreg {
 16334  			break
 16335  		}
 16336  		x := v_0.Args[0]
 16337  		v.reset(OpARM64SBFIZ)
 16338  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(16, 64-lc)))
 16339  		v.AddArg(x)
 16340  		return true
 16341  	}
 16342  	// match: (SLLconst [lc] (MOVBreg x))
 16343  	// result: (SBFIZ [armBFAuxInt(lc, min(8, 64-lc))] x)
 16344  	for {
 16345  		lc := auxIntToInt64(v.AuxInt)
 16346  		if v_0.Op != OpARM64MOVBreg {
 16347  			break
 16348  		}
 16349  		x := v_0.Args[0]
 16350  		v.reset(OpARM64SBFIZ)
 16351  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(8, 64-lc)))
 16352  		v.AddArg(x)
 16353  		return true
 16354  	}
 16355  	// match: (SLLconst [lc] (MOVWUreg x))
 16356  	// result: (UBFIZ [armBFAuxInt(lc, min(32, 64-lc))] x)
 16357  	for {
 16358  		lc := auxIntToInt64(v.AuxInt)
 16359  		if v_0.Op != OpARM64MOVWUreg {
 16360  			break
 16361  		}
 16362  		x := v_0.Args[0]
 16363  		v.reset(OpARM64UBFIZ)
 16364  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(32, 64-lc)))
 16365  		v.AddArg(x)
 16366  		return true
 16367  	}
 16368  	// match: (SLLconst [lc] (MOVHUreg x))
 16369  	// result: (UBFIZ [armBFAuxInt(lc, min(16, 64-lc))] x)
 16370  	for {
 16371  		lc := auxIntToInt64(v.AuxInt)
 16372  		if v_0.Op != OpARM64MOVHUreg {
 16373  			break
 16374  		}
 16375  		x := v_0.Args[0]
 16376  		v.reset(OpARM64UBFIZ)
 16377  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(16, 64-lc)))
 16378  		v.AddArg(x)
 16379  		return true
 16380  	}
 16381  	// match: (SLLconst [lc] (MOVBUreg x))
 16382  	// result: (UBFIZ [armBFAuxInt(lc, min(8, 64-lc))] x)
 16383  	for {
 16384  		lc := auxIntToInt64(v.AuxInt)
 16385  		if v_0.Op != OpARM64MOVBUreg {
 16386  			break
 16387  		}
 16388  		x := v_0.Args[0]
 16389  		v.reset(OpARM64UBFIZ)
 16390  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(8, 64-lc)))
 16391  		v.AddArg(x)
 16392  		return true
 16393  	}
 16394  	// match: (SLLconst [sc] (ANDconst [ac] x))
 16395  	// cond: isARM64BFMask(sc, ac, 0)
 16396  	// result: (UBFIZ [armBFAuxInt(sc, arm64BFWidth(ac, 0))] x)
 16397  	for {
 16398  		sc := auxIntToInt64(v.AuxInt)
 16399  		if v_0.Op != OpARM64ANDconst {
 16400  			break
 16401  		}
 16402  		ac := auxIntToInt64(v_0.AuxInt)
 16403  		x := v_0.Args[0]
 16404  		if !(isARM64BFMask(sc, ac, 0)) {
 16405  			break
 16406  		}
 16407  		v.reset(OpARM64UBFIZ)
 16408  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc, arm64BFWidth(ac, 0)))
 16409  		v.AddArg(x)
 16410  		return true
 16411  	}
 16412  	// match: (SLLconst [sc] (UBFIZ [bfc] x))
 16413  	// cond: sc+bfc.getARM64BFwidth()+bfc.getARM64BFlsb() < 64
 16414  	// result: (UBFIZ [armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth())] x)
 16415  	for {
 16416  		sc := auxIntToInt64(v.AuxInt)
 16417  		if v_0.Op != OpARM64UBFIZ {
 16418  			break
 16419  		}
 16420  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16421  		x := v_0.Args[0]
 16422  		if !(sc+bfc.getARM64BFwidth()+bfc.getARM64BFlsb() < 64) {
 16423  			break
 16424  		}
 16425  		v.reset(OpARM64UBFIZ)
 16426  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth()))
 16427  		v.AddArg(x)
 16428  		return true
 16429  	}
 16430  	return false
 16431  }
 16432  func rewriteValueARM64_OpARM64SRA(v *Value) bool {
 16433  	v_1 := v.Args[1]
 16434  	v_0 := v.Args[0]
 16435  	// match: (SRA x (MOVDconst [c]))
 16436  	// result: (SRAconst x [c&63])
 16437  	for {
 16438  		x := v_0
 16439  		if v_1.Op != OpARM64MOVDconst {
 16440  			break
 16441  		}
 16442  		c := auxIntToInt64(v_1.AuxInt)
 16443  		v.reset(OpARM64SRAconst)
 16444  		v.AuxInt = int64ToAuxInt(c & 63)
 16445  		v.AddArg(x)
 16446  		return true
 16447  	}
 16448  	// match: (SRA x (ANDconst [63] y))
 16449  	// result: (SRA x y)
 16450  	for {
 16451  		x := v_0
 16452  		if v_1.Op != OpARM64ANDconst || auxIntToInt64(v_1.AuxInt) != 63 {
 16453  			break
 16454  		}
 16455  		y := v_1.Args[0]
 16456  		v.reset(OpARM64SRA)
 16457  		v.AddArg2(x, y)
 16458  		return true
 16459  	}
 16460  	return false
 16461  }
 16462  func rewriteValueARM64_OpARM64SRAconst(v *Value) bool {
 16463  	v_0 := v.Args[0]
 16464  	// match: (SRAconst [c] (MOVDconst [d]))
 16465  	// result: (MOVDconst [d>>uint64(c)])
 16466  	for {
 16467  		c := auxIntToInt64(v.AuxInt)
 16468  		if v_0.Op != OpARM64MOVDconst {
 16469  			break
 16470  		}
 16471  		d := auxIntToInt64(v_0.AuxInt)
 16472  		v.reset(OpARM64MOVDconst)
 16473  		v.AuxInt = int64ToAuxInt(d >> uint64(c))
 16474  		return true
 16475  	}
 16476  	// match: (SRAconst [rc] (SLLconst [lc] x))
 16477  	// cond: lc > rc
 16478  	// result: (SBFIZ [armBFAuxInt(lc-rc, 64-lc)] x)
 16479  	for {
 16480  		rc := auxIntToInt64(v.AuxInt)
 16481  		if v_0.Op != OpARM64SLLconst {
 16482  			break
 16483  		}
 16484  		lc := auxIntToInt64(v_0.AuxInt)
 16485  		x := v_0.Args[0]
 16486  		if !(lc > rc) {
 16487  			break
 16488  		}
 16489  		v.reset(OpARM64SBFIZ)
 16490  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc-rc, 64-lc))
 16491  		v.AddArg(x)
 16492  		return true
 16493  	}
 16494  	// match: (SRAconst [rc] (SLLconst [lc] x))
 16495  	// cond: lc <= rc
 16496  	// result: (SBFX [armBFAuxInt(rc-lc, 64-rc)] x)
 16497  	for {
 16498  		rc := auxIntToInt64(v.AuxInt)
 16499  		if v_0.Op != OpARM64SLLconst {
 16500  			break
 16501  		}
 16502  		lc := auxIntToInt64(v_0.AuxInt)
 16503  		x := v_0.Args[0]
 16504  		if !(lc <= rc) {
 16505  			break
 16506  		}
 16507  		v.reset(OpARM64SBFX)
 16508  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc-lc, 64-rc))
 16509  		v.AddArg(x)
 16510  		return true
 16511  	}
 16512  	// match: (SRAconst [rc] (MOVWreg x))
 16513  	// cond: rc < 32
 16514  	// result: (SBFX [armBFAuxInt(rc, 32-rc)] x)
 16515  	for {
 16516  		rc := auxIntToInt64(v.AuxInt)
 16517  		if v_0.Op != OpARM64MOVWreg {
 16518  			break
 16519  		}
 16520  		x := v_0.Args[0]
 16521  		if !(rc < 32) {
 16522  			break
 16523  		}
 16524  		v.reset(OpARM64SBFX)
 16525  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 32-rc))
 16526  		v.AddArg(x)
 16527  		return true
 16528  	}
 16529  	// match: (SRAconst [rc] (MOVHreg x))
 16530  	// cond: rc < 16
 16531  	// result: (SBFX [armBFAuxInt(rc, 16-rc)] x)
 16532  	for {
 16533  		rc := auxIntToInt64(v.AuxInt)
 16534  		if v_0.Op != OpARM64MOVHreg {
 16535  			break
 16536  		}
 16537  		x := v_0.Args[0]
 16538  		if !(rc < 16) {
 16539  			break
 16540  		}
 16541  		v.reset(OpARM64SBFX)
 16542  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 16-rc))
 16543  		v.AddArg(x)
 16544  		return true
 16545  	}
 16546  	// match: (SRAconst [rc] (MOVBreg x))
 16547  	// cond: rc < 8
 16548  	// result: (SBFX [armBFAuxInt(rc, 8-rc)] x)
 16549  	for {
 16550  		rc := auxIntToInt64(v.AuxInt)
 16551  		if v_0.Op != OpARM64MOVBreg {
 16552  			break
 16553  		}
 16554  		x := v_0.Args[0]
 16555  		if !(rc < 8) {
 16556  			break
 16557  		}
 16558  		v.reset(OpARM64SBFX)
 16559  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 8-rc))
 16560  		v.AddArg(x)
 16561  		return true
 16562  	}
 16563  	// match: (SRAconst [sc] (SBFIZ [bfc] x))
 16564  	// cond: sc < bfc.getARM64BFlsb()
 16565  	// result: (SBFIZ [armBFAuxInt(bfc.getARM64BFlsb()-sc, bfc.getARM64BFwidth())] x)
 16566  	for {
 16567  		sc := auxIntToInt64(v.AuxInt)
 16568  		if v_0.Op != OpARM64SBFIZ {
 16569  			break
 16570  		}
 16571  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16572  		x := v_0.Args[0]
 16573  		if !(sc < bfc.getARM64BFlsb()) {
 16574  			break
 16575  		}
 16576  		v.reset(OpARM64SBFIZ)
 16577  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()-sc, bfc.getARM64BFwidth()))
 16578  		v.AddArg(x)
 16579  		return true
 16580  	}
 16581  	// match: (SRAconst [sc] (SBFIZ [bfc] x))
 16582  	// cond: sc >= bfc.getARM64BFlsb() && sc < bfc.getARM64BFlsb()+bfc.getARM64BFwidth()
 16583  	// result: (SBFX [armBFAuxInt(sc-bfc.getARM64BFlsb(), bfc.getARM64BFlsb()+bfc.getARM64BFwidth()-sc)] x)
 16584  	for {
 16585  		sc := auxIntToInt64(v.AuxInt)
 16586  		if v_0.Op != OpARM64SBFIZ {
 16587  			break
 16588  		}
 16589  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16590  		x := v_0.Args[0]
 16591  		if !(sc >= bfc.getARM64BFlsb() && sc < bfc.getARM64BFlsb()+bfc.getARM64BFwidth()) {
 16592  			break
 16593  		}
 16594  		v.reset(OpARM64SBFX)
 16595  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc-bfc.getARM64BFlsb(), bfc.getARM64BFlsb()+bfc.getARM64BFwidth()-sc))
 16596  		v.AddArg(x)
 16597  		return true
 16598  	}
 16599  	return false
 16600  }
 16601  func rewriteValueARM64_OpARM64SRL(v *Value) bool {
 16602  	v_1 := v.Args[1]
 16603  	v_0 := v.Args[0]
 16604  	// match: (SRL x (MOVDconst [c]))
 16605  	// result: (SRLconst x [c&63])
 16606  	for {
 16607  		x := v_0
 16608  		if v_1.Op != OpARM64MOVDconst {
 16609  			break
 16610  		}
 16611  		c := auxIntToInt64(v_1.AuxInt)
 16612  		v.reset(OpARM64SRLconst)
 16613  		v.AuxInt = int64ToAuxInt(c & 63)
 16614  		v.AddArg(x)
 16615  		return true
 16616  	}
 16617  	// match: (SRL x (ANDconst [63] y))
 16618  	// result: (SRL x y)
 16619  	for {
 16620  		x := v_0
 16621  		if v_1.Op != OpARM64ANDconst || auxIntToInt64(v_1.AuxInt) != 63 {
 16622  			break
 16623  		}
 16624  		y := v_1.Args[0]
 16625  		v.reset(OpARM64SRL)
 16626  		v.AddArg2(x, y)
 16627  		return true
 16628  	}
 16629  	return false
 16630  }
 16631  func rewriteValueARM64_OpARM64SRLconst(v *Value) bool {
 16632  	v_0 := v.Args[0]
 16633  	// match: (SRLconst [c] (MOVDconst [d]))
 16634  	// result: (MOVDconst [int64(uint64(d)>>uint64(c))])
 16635  	for {
 16636  		c := auxIntToInt64(v.AuxInt)
 16637  		if v_0.Op != OpARM64MOVDconst {
 16638  			break
 16639  		}
 16640  		d := auxIntToInt64(v_0.AuxInt)
 16641  		v.reset(OpARM64MOVDconst)
 16642  		v.AuxInt = int64ToAuxInt(int64(uint64(d) >> uint64(c)))
 16643  		return true
 16644  	}
 16645  	// match: (SRLconst [c] (SLLconst [c] x))
 16646  	// cond: 0 < c && c < 64
 16647  	// result: (ANDconst [1<<uint(64-c)-1] x)
 16648  	for {
 16649  		c := auxIntToInt64(v.AuxInt)
 16650  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
 16651  			break
 16652  		}
 16653  		x := v_0.Args[0]
 16654  		if !(0 < c && c < 64) {
 16655  			break
 16656  		}
 16657  		v.reset(OpARM64ANDconst)
 16658  		v.AuxInt = int64ToAuxInt(1<<uint(64-c) - 1)
 16659  		v.AddArg(x)
 16660  		return true
 16661  	}
 16662  	// match: (SRLconst [rc] (MOVWUreg x))
 16663  	// cond: rc >= 32
 16664  	// result: (MOVDconst [0])
 16665  	for {
 16666  		rc := auxIntToInt64(v.AuxInt)
 16667  		if v_0.Op != OpARM64MOVWUreg {
 16668  			break
 16669  		}
 16670  		if !(rc >= 32) {
 16671  			break
 16672  		}
 16673  		v.reset(OpARM64MOVDconst)
 16674  		v.AuxInt = int64ToAuxInt(0)
 16675  		return true
 16676  	}
 16677  	// match: (SRLconst [rc] (MOVHUreg x))
 16678  	// cond: rc >= 16
 16679  	// result: (MOVDconst [0])
 16680  	for {
 16681  		rc := auxIntToInt64(v.AuxInt)
 16682  		if v_0.Op != OpARM64MOVHUreg {
 16683  			break
 16684  		}
 16685  		if !(rc >= 16) {
 16686  			break
 16687  		}
 16688  		v.reset(OpARM64MOVDconst)
 16689  		v.AuxInt = int64ToAuxInt(0)
 16690  		return true
 16691  	}
 16692  	// match: (SRLconst [rc] (MOVBUreg x))
 16693  	// cond: rc >= 8
 16694  	// result: (MOVDconst [0])
 16695  	for {
 16696  		rc := auxIntToInt64(v.AuxInt)
 16697  		if v_0.Op != OpARM64MOVBUreg {
 16698  			break
 16699  		}
 16700  		if !(rc >= 8) {
 16701  			break
 16702  		}
 16703  		v.reset(OpARM64MOVDconst)
 16704  		v.AuxInt = int64ToAuxInt(0)
 16705  		return true
 16706  	}
 16707  	// match: (SRLconst [rc] (SLLconst [lc] x))
 16708  	// cond: lc > rc
 16709  	// result: (UBFIZ [armBFAuxInt(lc-rc, 64-lc)] x)
 16710  	for {
 16711  		rc := auxIntToInt64(v.AuxInt)
 16712  		if v_0.Op != OpARM64SLLconst {
 16713  			break
 16714  		}
 16715  		lc := auxIntToInt64(v_0.AuxInt)
 16716  		x := v_0.Args[0]
 16717  		if !(lc > rc) {
 16718  			break
 16719  		}
 16720  		v.reset(OpARM64UBFIZ)
 16721  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc-rc, 64-lc))
 16722  		v.AddArg(x)
 16723  		return true
 16724  	}
 16725  	// match: (SRLconst [rc] (SLLconst [lc] x))
 16726  	// cond: lc < rc
 16727  	// result: (UBFX [armBFAuxInt(rc-lc, 64-rc)] x)
 16728  	for {
 16729  		rc := auxIntToInt64(v.AuxInt)
 16730  		if v_0.Op != OpARM64SLLconst {
 16731  			break
 16732  		}
 16733  		lc := auxIntToInt64(v_0.AuxInt)
 16734  		x := v_0.Args[0]
 16735  		if !(lc < rc) {
 16736  			break
 16737  		}
 16738  		v.reset(OpARM64UBFX)
 16739  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc-lc, 64-rc))
 16740  		v.AddArg(x)
 16741  		return true
 16742  	}
 16743  	// match: (SRLconst [rc] (MOVWUreg x))
 16744  	// cond: rc < 32
 16745  	// result: (UBFX [armBFAuxInt(rc, 32-rc)] x)
 16746  	for {
 16747  		rc := auxIntToInt64(v.AuxInt)
 16748  		if v_0.Op != OpARM64MOVWUreg {
 16749  			break
 16750  		}
 16751  		x := v_0.Args[0]
 16752  		if !(rc < 32) {
 16753  			break
 16754  		}
 16755  		v.reset(OpARM64UBFX)
 16756  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 32-rc))
 16757  		v.AddArg(x)
 16758  		return true
 16759  	}
 16760  	// match: (SRLconst [rc] (MOVHUreg x))
 16761  	// cond: rc < 16
 16762  	// result: (UBFX [armBFAuxInt(rc, 16-rc)] x)
 16763  	for {
 16764  		rc := auxIntToInt64(v.AuxInt)
 16765  		if v_0.Op != OpARM64MOVHUreg {
 16766  			break
 16767  		}
 16768  		x := v_0.Args[0]
 16769  		if !(rc < 16) {
 16770  			break
 16771  		}
 16772  		v.reset(OpARM64UBFX)
 16773  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 16-rc))
 16774  		v.AddArg(x)
 16775  		return true
 16776  	}
 16777  	// match: (SRLconst [rc] (MOVBUreg x))
 16778  	// cond: rc < 8
 16779  	// result: (UBFX [armBFAuxInt(rc, 8-rc)] x)
 16780  	for {
 16781  		rc := auxIntToInt64(v.AuxInt)
 16782  		if v_0.Op != OpARM64MOVBUreg {
 16783  			break
 16784  		}
 16785  		x := v_0.Args[0]
 16786  		if !(rc < 8) {
 16787  			break
 16788  		}
 16789  		v.reset(OpARM64UBFX)
 16790  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 8-rc))
 16791  		v.AddArg(x)
 16792  		return true
 16793  	}
 16794  	// match: (SRLconst [sc] (ANDconst [ac] x))
 16795  	// cond: isARM64BFMask(sc, ac, sc)
 16796  	// result: (UBFX [armBFAuxInt(sc, arm64BFWidth(ac, sc))] x)
 16797  	for {
 16798  		sc := auxIntToInt64(v.AuxInt)
 16799  		if v_0.Op != OpARM64ANDconst {
 16800  			break
 16801  		}
 16802  		ac := auxIntToInt64(v_0.AuxInt)
 16803  		x := v_0.Args[0]
 16804  		if !(isARM64BFMask(sc, ac, sc)) {
 16805  			break
 16806  		}
 16807  		v.reset(OpARM64UBFX)
 16808  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc, arm64BFWidth(ac, sc)))
 16809  		v.AddArg(x)
 16810  		return true
 16811  	}
 16812  	// match: (SRLconst [sc] (UBFX [bfc] x))
 16813  	// cond: sc < bfc.getARM64BFwidth()
 16814  	// result: (UBFX [armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth()-sc)] x)
 16815  	for {
 16816  		sc := auxIntToInt64(v.AuxInt)
 16817  		if v_0.Op != OpARM64UBFX {
 16818  			break
 16819  		}
 16820  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16821  		x := v_0.Args[0]
 16822  		if !(sc < bfc.getARM64BFwidth()) {
 16823  			break
 16824  		}
 16825  		v.reset(OpARM64UBFX)
 16826  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth()-sc))
 16827  		v.AddArg(x)
 16828  		return true
 16829  	}
 16830  	// match: (SRLconst [sc] (UBFIZ [bfc] x))
 16831  	// cond: sc == bfc.getARM64BFlsb()
 16832  	// result: (ANDconst [1<<uint(bfc.getARM64BFwidth())-1] x)
 16833  	for {
 16834  		sc := auxIntToInt64(v.AuxInt)
 16835  		if v_0.Op != OpARM64UBFIZ {
 16836  			break
 16837  		}
 16838  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16839  		x := v_0.Args[0]
 16840  		if !(sc == bfc.getARM64BFlsb()) {
 16841  			break
 16842  		}
 16843  		v.reset(OpARM64ANDconst)
 16844  		v.AuxInt = int64ToAuxInt(1<<uint(bfc.getARM64BFwidth()) - 1)
 16845  		v.AddArg(x)
 16846  		return true
 16847  	}
 16848  	// match: (SRLconst [sc] (UBFIZ [bfc] x))
 16849  	// cond: sc < bfc.getARM64BFlsb()
 16850  	// result: (UBFIZ [armBFAuxInt(bfc.getARM64BFlsb()-sc, bfc.getARM64BFwidth())] x)
 16851  	for {
 16852  		sc := auxIntToInt64(v.AuxInt)
 16853  		if v_0.Op != OpARM64UBFIZ {
 16854  			break
 16855  		}
 16856  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16857  		x := v_0.Args[0]
 16858  		if !(sc < bfc.getARM64BFlsb()) {
 16859  			break
 16860  		}
 16861  		v.reset(OpARM64UBFIZ)
 16862  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()-sc, bfc.getARM64BFwidth()))
 16863  		v.AddArg(x)
 16864  		return true
 16865  	}
 16866  	// match: (SRLconst [sc] (UBFIZ [bfc] x))
 16867  	// cond: sc > bfc.getARM64BFlsb() && sc < bfc.getARM64BFlsb()+bfc.getARM64BFwidth()
 16868  	// result: (UBFX [armBFAuxInt(sc-bfc.getARM64BFlsb(), bfc.getARM64BFlsb()+bfc.getARM64BFwidth()-sc)] x)
 16869  	for {
 16870  		sc := auxIntToInt64(v.AuxInt)
 16871  		if v_0.Op != OpARM64UBFIZ {
 16872  			break
 16873  		}
 16874  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 16875  		x := v_0.Args[0]
 16876  		if !(sc > bfc.getARM64BFlsb() && sc < bfc.getARM64BFlsb()+bfc.getARM64BFwidth()) {
 16877  			break
 16878  		}
 16879  		v.reset(OpARM64UBFX)
 16880  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc-bfc.getARM64BFlsb(), bfc.getARM64BFlsb()+bfc.getARM64BFwidth()-sc))
 16881  		v.AddArg(x)
 16882  		return true
 16883  	}
 16884  	return false
 16885  }
 16886  func rewriteValueARM64_OpARM64STP(v *Value) bool {
 16887  	v_3 := v.Args[3]
 16888  	v_2 := v.Args[2]
 16889  	v_1 := v.Args[1]
 16890  	v_0 := v.Args[0]
 16891  	b := v.Block
 16892  	config := b.Func.Config
 16893  	// match: (STP [off1] {sym} (ADDconst [off2] ptr) val1 val2 mem)
 16894  	// cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 16895  	// result: (STP [off1+int32(off2)] {sym} ptr val1 val2 mem)
 16896  	for {
 16897  		off1 := auxIntToInt32(v.AuxInt)
 16898  		sym := auxToSym(v.Aux)
 16899  		if v_0.Op != OpARM64ADDconst {
 16900  			break
 16901  		}
 16902  		off2 := auxIntToInt64(v_0.AuxInt)
 16903  		ptr := v_0.Args[0]
 16904  		val1 := v_1
 16905  		val2 := v_2
 16906  		mem := v_3
 16907  		if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 16908  			break
 16909  		}
 16910  		v.reset(OpARM64STP)
 16911  		v.AuxInt = int32ToAuxInt(off1 + int32(off2))
 16912  		v.Aux = symToAux(sym)
 16913  		v.AddArg4(ptr, val1, val2, mem)
 16914  		return true
 16915  	}
 16916  	// match: (STP [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val1 val2 mem)
 16917  	// cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)
 16918  	// result: (STP [off1+off2] {mergeSym(sym1,sym2)} ptr val1 val2 mem)
 16919  	for {
 16920  		off1 := auxIntToInt32(v.AuxInt)
 16921  		sym1 := auxToSym(v.Aux)
 16922  		if v_0.Op != OpARM64MOVDaddr {
 16923  			break
 16924  		}
 16925  		off2 := auxIntToInt32(v_0.AuxInt)
 16926  		sym2 := auxToSym(v_0.Aux)
 16927  		ptr := v_0.Args[0]
 16928  		val1 := v_1
 16929  		val2 := v_2
 16930  		mem := v_3
 16931  		if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_dynlink)) {
 16932  			break
 16933  		}
 16934  		v.reset(OpARM64STP)
 16935  		v.AuxInt = int32ToAuxInt(off1 + off2)
 16936  		v.Aux = symToAux(mergeSym(sym1, sym2))
 16937  		v.AddArg4(ptr, val1, val2, mem)
 16938  		return true
 16939  	}
 16940  	// match: (STP [off] {sym} ptr (MOVDconst [0]) (MOVDconst [0]) mem)
 16941  	// result: (MOVQstorezero [off] {sym} ptr mem)
 16942  	for {
 16943  		off := auxIntToInt32(v.AuxInt)
 16944  		sym := auxToSym(v.Aux)
 16945  		ptr := v_0
 16946  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 || v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 {
 16947  			break
 16948  		}
 16949  		mem := v_3
 16950  		v.reset(OpARM64MOVQstorezero)
 16951  		v.AuxInt = int32ToAuxInt(off)
 16952  		v.Aux = symToAux(sym)
 16953  		v.AddArg2(ptr, mem)
 16954  		return true
 16955  	}
 16956  	return false
 16957  }
 16958  func rewriteValueARM64_OpARM64SUB(v *Value) bool {
 16959  	v_1 := v.Args[1]
 16960  	v_0 := v.Args[0]
 16961  	b := v.Block
 16962  	// match: (SUB x (MOVDconst [c]))
 16963  	// result: (SUBconst [c] x)
 16964  	for {
 16965  		x := v_0
 16966  		if v_1.Op != OpARM64MOVDconst {
 16967  			break
 16968  		}
 16969  		c := auxIntToInt64(v_1.AuxInt)
 16970  		v.reset(OpARM64SUBconst)
 16971  		v.AuxInt = int64ToAuxInt(c)
 16972  		v.AddArg(x)
 16973  		return true
 16974  	}
 16975  	// match: (SUB a l:(MUL x y))
 16976  	// cond: l.Uses==1 && clobber(l)
 16977  	// result: (MSUB a x y)
 16978  	for {
 16979  		a := v_0
 16980  		l := v_1
 16981  		if l.Op != OpARM64MUL {
 16982  			break
 16983  		}
 16984  		y := l.Args[1]
 16985  		x := l.Args[0]
 16986  		if !(l.Uses == 1 && clobber(l)) {
 16987  			break
 16988  		}
 16989  		v.reset(OpARM64MSUB)
 16990  		v.AddArg3(a, x, y)
 16991  		return true
 16992  	}
 16993  	// match: (SUB a l:(MNEG x y))
 16994  	// cond: l.Uses==1 && clobber(l)
 16995  	// result: (MADD a x y)
 16996  	for {
 16997  		a := v_0
 16998  		l := v_1
 16999  		if l.Op != OpARM64MNEG {
 17000  			break
 17001  		}
 17002  		y := l.Args[1]
 17003  		x := l.Args[0]
 17004  		if !(l.Uses == 1 && clobber(l)) {
 17005  			break
 17006  		}
 17007  		v.reset(OpARM64MADD)
 17008  		v.AddArg3(a, x, y)
 17009  		return true
 17010  	}
 17011  	// match: (SUB a l:(MULW x y))
 17012  	// cond: v.Type.Size() <= 4 && l.Uses==1 && clobber(l)
 17013  	// result: (MSUBW a x y)
 17014  	for {
 17015  		a := v_0
 17016  		l := v_1
 17017  		if l.Op != OpARM64MULW {
 17018  			break
 17019  		}
 17020  		y := l.Args[1]
 17021  		x := l.Args[0]
 17022  		if !(v.Type.Size() <= 4 && l.Uses == 1 && clobber(l)) {
 17023  			break
 17024  		}
 17025  		v.reset(OpARM64MSUBW)
 17026  		v.AddArg3(a, x, y)
 17027  		return true
 17028  	}
 17029  	// match: (SUB a l:(MNEGW x y))
 17030  	// cond: v.Type.Size() <= 4 && l.Uses==1 && clobber(l)
 17031  	// result: (MADDW a x y)
 17032  	for {
 17033  		a := v_0
 17034  		l := v_1
 17035  		if l.Op != OpARM64MNEGW {
 17036  			break
 17037  		}
 17038  		y := l.Args[1]
 17039  		x := l.Args[0]
 17040  		if !(v.Type.Size() <= 4 && l.Uses == 1 && clobber(l)) {
 17041  			break
 17042  		}
 17043  		v.reset(OpARM64MADDW)
 17044  		v.AddArg3(a, x, y)
 17045  		return true
 17046  	}
 17047  	// match: (SUB x x)
 17048  	// result: (MOVDconst [0])
 17049  	for {
 17050  		x := v_0
 17051  		if x != v_1 {
 17052  			break
 17053  		}
 17054  		v.reset(OpARM64MOVDconst)
 17055  		v.AuxInt = int64ToAuxInt(0)
 17056  		return true
 17057  	}
 17058  	// match: (SUB x (SUB y z))
 17059  	// result: (SUB (ADD <v.Type> x z) y)
 17060  	for {
 17061  		x := v_0
 17062  		if v_1.Op != OpARM64SUB {
 17063  			break
 17064  		}
 17065  		z := v_1.Args[1]
 17066  		y := v_1.Args[0]
 17067  		v.reset(OpARM64SUB)
 17068  		v0 := b.NewValue0(v.Pos, OpARM64ADD, v.Type)
 17069  		v0.AddArg2(x, z)
 17070  		v.AddArg2(v0, y)
 17071  		return true
 17072  	}
 17073  	// match: (SUB (SUB x y) z)
 17074  	// result: (SUB x (ADD <y.Type> y z))
 17075  	for {
 17076  		if v_0.Op != OpARM64SUB {
 17077  			break
 17078  		}
 17079  		y := v_0.Args[1]
 17080  		x := v_0.Args[0]
 17081  		z := v_1
 17082  		v.reset(OpARM64SUB)
 17083  		v0 := b.NewValue0(v.Pos, OpARM64ADD, y.Type)
 17084  		v0.AddArg2(y, z)
 17085  		v.AddArg2(x, v0)
 17086  		return true
 17087  	}
 17088  	// match: (SUB x0 x1:(SLLconst [c] y))
 17089  	// cond: clobberIfDead(x1)
 17090  	// result: (SUBshiftLL x0 y [c])
 17091  	for {
 17092  		x0 := v_0
 17093  		x1 := v_1
 17094  		if x1.Op != OpARM64SLLconst {
 17095  			break
 17096  		}
 17097  		c := auxIntToInt64(x1.AuxInt)
 17098  		y := x1.Args[0]
 17099  		if !(clobberIfDead(x1)) {
 17100  			break
 17101  		}
 17102  		v.reset(OpARM64SUBshiftLL)
 17103  		v.AuxInt = int64ToAuxInt(c)
 17104  		v.AddArg2(x0, y)
 17105  		return true
 17106  	}
 17107  	// match: (SUB x0 x1:(SRLconst [c] y))
 17108  	// cond: clobberIfDead(x1)
 17109  	// result: (SUBshiftRL x0 y [c])
 17110  	for {
 17111  		x0 := v_0
 17112  		x1 := v_1
 17113  		if x1.Op != OpARM64SRLconst {
 17114  			break
 17115  		}
 17116  		c := auxIntToInt64(x1.AuxInt)
 17117  		y := x1.Args[0]
 17118  		if !(clobberIfDead(x1)) {
 17119  			break
 17120  		}
 17121  		v.reset(OpARM64SUBshiftRL)
 17122  		v.AuxInt = int64ToAuxInt(c)
 17123  		v.AddArg2(x0, y)
 17124  		return true
 17125  	}
 17126  	// match: (SUB x0 x1:(SRAconst [c] y))
 17127  	// cond: clobberIfDead(x1)
 17128  	// result: (SUBshiftRA x0 y [c])
 17129  	for {
 17130  		x0 := v_0
 17131  		x1 := v_1
 17132  		if x1.Op != OpARM64SRAconst {
 17133  			break
 17134  		}
 17135  		c := auxIntToInt64(x1.AuxInt)
 17136  		y := x1.Args[0]
 17137  		if !(clobberIfDead(x1)) {
 17138  			break
 17139  		}
 17140  		v.reset(OpARM64SUBshiftRA)
 17141  		v.AuxInt = int64ToAuxInt(c)
 17142  		v.AddArg2(x0, y)
 17143  		return true
 17144  	}
 17145  	return false
 17146  }
 17147  func rewriteValueARM64_OpARM64SUBconst(v *Value) bool {
 17148  	v_0 := v.Args[0]
 17149  	// match: (SUBconst [0] x)
 17150  	// result: x
 17151  	for {
 17152  		if auxIntToInt64(v.AuxInt) != 0 {
 17153  			break
 17154  		}
 17155  		x := v_0
 17156  		v.copyOf(x)
 17157  		return true
 17158  	}
 17159  	// match: (SUBconst [c] (MOVDconst [d]))
 17160  	// result: (MOVDconst [d-c])
 17161  	for {
 17162  		c := auxIntToInt64(v.AuxInt)
 17163  		if v_0.Op != OpARM64MOVDconst {
 17164  			break
 17165  		}
 17166  		d := auxIntToInt64(v_0.AuxInt)
 17167  		v.reset(OpARM64MOVDconst)
 17168  		v.AuxInt = int64ToAuxInt(d - c)
 17169  		return true
 17170  	}
 17171  	// match: (SUBconst [c] (SUBconst [d] x))
 17172  	// result: (ADDconst [-c-d] x)
 17173  	for {
 17174  		c := auxIntToInt64(v.AuxInt)
 17175  		if v_0.Op != OpARM64SUBconst {
 17176  			break
 17177  		}
 17178  		d := auxIntToInt64(v_0.AuxInt)
 17179  		x := v_0.Args[0]
 17180  		v.reset(OpARM64ADDconst)
 17181  		v.AuxInt = int64ToAuxInt(-c - d)
 17182  		v.AddArg(x)
 17183  		return true
 17184  	}
 17185  	// match: (SUBconst [c] (ADDconst [d] x))
 17186  	// result: (ADDconst [-c+d] x)
 17187  	for {
 17188  		c := auxIntToInt64(v.AuxInt)
 17189  		if v_0.Op != OpARM64ADDconst {
 17190  			break
 17191  		}
 17192  		d := auxIntToInt64(v_0.AuxInt)
 17193  		x := v_0.Args[0]
 17194  		v.reset(OpARM64ADDconst)
 17195  		v.AuxInt = int64ToAuxInt(-c + d)
 17196  		v.AddArg(x)
 17197  		return true
 17198  	}
 17199  	return false
 17200  }
 17201  func rewriteValueARM64_OpARM64SUBshiftLL(v *Value) bool {
 17202  	v_1 := v.Args[1]
 17203  	v_0 := v.Args[0]
 17204  	// match: (SUBshiftLL x (MOVDconst [c]) [d])
 17205  	// result: (SUBconst x [int64(uint64(c)<<uint64(d))])
 17206  	for {
 17207  		d := auxIntToInt64(v.AuxInt)
 17208  		x := v_0
 17209  		if v_1.Op != OpARM64MOVDconst {
 17210  			break
 17211  		}
 17212  		c := auxIntToInt64(v_1.AuxInt)
 17213  		v.reset(OpARM64SUBconst)
 17214  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
 17215  		v.AddArg(x)
 17216  		return true
 17217  	}
 17218  	// match: (SUBshiftLL (SLLconst x [c]) x [c])
 17219  	// result: (MOVDconst [0])
 17220  	for {
 17221  		c := auxIntToInt64(v.AuxInt)
 17222  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
 17223  			break
 17224  		}
 17225  		x := v_0.Args[0]
 17226  		if x != v_1 {
 17227  			break
 17228  		}
 17229  		v.reset(OpARM64MOVDconst)
 17230  		v.AuxInt = int64ToAuxInt(0)
 17231  		return true
 17232  	}
 17233  	return false
 17234  }
 17235  func rewriteValueARM64_OpARM64SUBshiftRA(v *Value) bool {
 17236  	v_1 := v.Args[1]
 17237  	v_0 := v.Args[0]
 17238  	// match: (SUBshiftRA x (MOVDconst [c]) [d])
 17239  	// result: (SUBconst x [c>>uint64(d)])
 17240  	for {
 17241  		d := auxIntToInt64(v.AuxInt)
 17242  		x := v_0
 17243  		if v_1.Op != OpARM64MOVDconst {
 17244  			break
 17245  		}
 17246  		c := auxIntToInt64(v_1.AuxInt)
 17247  		v.reset(OpARM64SUBconst)
 17248  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
 17249  		v.AddArg(x)
 17250  		return true
 17251  	}
 17252  	// match: (SUBshiftRA (SRAconst x [c]) x [c])
 17253  	// result: (MOVDconst [0])
 17254  	for {
 17255  		c := auxIntToInt64(v.AuxInt)
 17256  		if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c {
 17257  			break
 17258  		}
 17259  		x := v_0.Args[0]
 17260  		if x != v_1 {
 17261  			break
 17262  		}
 17263  		v.reset(OpARM64MOVDconst)
 17264  		v.AuxInt = int64ToAuxInt(0)
 17265  		return true
 17266  	}
 17267  	return false
 17268  }
 17269  func rewriteValueARM64_OpARM64SUBshiftRL(v *Value) bool {
 17270  	v_1 := v.Args[1]
 17271  	v_0 := v.Args[0]
 17272  	// match: (SUBshiftRL x (MOVDconst [c]) [d])
 17273  	// result: (SUBconst x [int64(uint64(c)>>uint64(d))])
 17274  	for {
 17275  		d := auxIntToInt64(v.AuxInt)
 17276  		x := v_0
 17277  		if v_1.Op != OpARM64MOVDconst {
 17278  			break
 17279  		}
 17280  		c := auxIntToInt64(v_1.AuxInt)
 17281  		v.reset(OpARM64SUBconst)
 17282  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
 17283  		v.AddArg(x)
 17284  		return true
 17285  	}
 17286  	// match: (SUBshiftRL (SRLconst x [c]) x [c])
 17287  	// result: (MOVDconst [0])
 17288  	for {
 17289  		c := auxIntToInt64(v.AuxInt)
 17290  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
 17291  			break
 17292  		}
 17293  		x := v_0.Args[0]
 17294  		if x != v_1 {
 17295  			break
 17296  		}
 17297  		v.reset(OpARM64MOVDconst)
 17298  		v.AuxInt = int64ToAuxInt(0)
 17299  		return true
 17300  	}
 17301  	return false
 17302  }
 17303  func rewriteValueARM64_OpARM64TST(v *Value) bool {
 17304  	v_1 := v.Args[1]
 17305  	v_0 := v.Args[0]
 17306  	// match: (TST x (MOVDconst [c]))
 17307  	// result: (TSTconst [c] x)
 17308  	for {
 17309  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17310  			x := v_0
 17311  			if v_1.Op != OpARM64MOVDconst {
 17312  				continue
 17313  			}
 17314  			c := auxIntToInt64(v_1.AuxInt)
 17315  			v.reset(OpARM64TSTconst)
 17316  			v.AuxInt = int64ToAuxInt(c)
 17317  			v.AddArg(x)
 17318  			return true
 17319  		}
 17320  		break
 17321  	}
 17322  	// match: (TST x0 x1:(SLLconst [c] y))
 17323  	// cond: clobberIfDead(x1)
 17324  	// result: (TSTshiftLL x0 y [c])
 17325  	for {
 17326  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17327  			x0 := v_0
 17328  			x1 := v_1
 17329  			if x1.Op != OpARM64SLLconst {
 17330  				continue
 17331  			}
 17332  			c := auxIntToInt64(x1.AuxInt)
 17333  			y := x1.Args[0]
 17334  			if !(clobberIfDead(x1)) {
 17335  				continue
 17336  			}
 17337  			v.reset(OpARM64TSTshiftLL)
 17338  			v.AuxInt = int64ToAuxInt(c)
 17339  			v.AddArg2(x0, y)
 17340  			return true
 17341  		}
 17342  		break
 17343  	}
 17344  	// match: (TST x0 x1:(SRLconst [c] y))
 17345  	// cond: clobberIfDead(x1)
 17346  	// result: (TSTshiftRL x0 y [c])
 17347  	for {
 17348  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17349  			x0 := v_0
 17350  			x1 := v_1
 17351  			if x1.Op != OpARM64SRLconst {
 17352  				continue
 17353  			}
 17354  			c := auxIntToInt64(x1.AuxInt)
 17355  			y := x1.Args[0]
 17356  			if !(clobberIfDead(x1)) {
 17357  				continue
 17358  			}
 17359  			v.reset(OpARM64TSTshiftRL)
 17360  			v.AuxInt = int64ToAuxInt(c)
 17361  			v.AddArg2(x0, y)
 17362  			return true
 17363  		}
 17364  		break
 17365  	}
 17366  	// match: (TST x0 x1:(SRAconst [c] y))
 17367  	// cond: clobberIfDead(x1)
 17368  	// result: (TSTshiftRA x0 y [c])
 17369  	for {
 17370  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17371  			x0 := v_0
 17372  			x1 := v_1
 17373  			if x1.Op != OpARM64SRAconst {
 17374  				continue
 17375  			}
 17376  			c := auxIntToInt64(x1.AuxInt)
 17377  			y := x1.Args[0]
 17378  			if !(clobberIfDead(x1)) {
 17379  				continue
 17380  			}
 17381  			v.reset(OpARM64TSTshiftRA)
 17382  			v.AuxInt = int64ToAuxInt(c)
 17383  			v.AddArg2(x0, y)
 17384  			return true
 17385  		}
 17386  		break
 17387  	}
 17388  	// match: (TST x0 x1:(RORconst [c] y))
 17389  	// cond: clobberIfDead(x1)
 17390  	// result: (TSTshiftRO x0 y [c])
 17391  	for {
 17392  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17393  			x0 := v_0
 17394  			x1 := v_1
 17395  			if x1.Op != OpARM64RORconst {
 17396  				continue
 17397  			}
 17398  			c := auxIntToInt64(x1.AuxInt)
 17399  			y := x1.Args[0]
 17400  			if !(clobberIfDead(x1)) {
 17401  				continue
 17402  			}
 17403  			v.reset(OpARM64TSTshiftRO)
 17404  			v.AuxInt = int64ToAuxInt(c)
 17405  			v.AddArg2(x0, y)
 17406  			return true
 17407  		}
 17408  		break
 17409  	}
 17410  	return false
 17411  }
 17412  func rewriteValueARM64_OpARM64TSTW(v *Value) bool {
 17413  	v_1 := v.Args[1]
 17414  	v_0 := v.Args[0]
 17415  	// match: (TSTW x (MOVDconst [c]))
 17416  	// result: (TSTWconst [int32(c)] x)
 17417  	for {
 17418  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17419  			x := v_0
 17420  			if v_1.Op != OpARM64MOVDconst {
 17421  				continue
 17422  			}
 17423  			c := auxIntToInt64(v_1.AuxInt)
 17424  			v.reset(OpARM64TSTWconst)
 17425  			v.AuxInt = int32ToAuxInt(int32(c))
 17426  			v.AddArg(x)
 17427  			return true
 17428  		}
 17429  		break
 17430  	}
 17431  	return false
 17432  }
 17433  func rewriteValueARM64_OpARM64TSTWconst(v *Value) bool {
 17434  	v_0 := v.Args[0]
 17435  	// match: (TSTWconst (MOVDconst [x]) [y])
 17436  	// result: (FlagConstant [logicFlags32(int32(x)&y)])
 17437  	for {
 17438  		y := auxIntToInt32(v.AuxInt)
 17439  		if v_0.Op != OpARM64MOVDconst {
 17440  			break
 17441  		}
 17442  		x := auxIntToInt64(v_0.AuxInt)
 17443  		v.reset(OpARM64FlagConstant)
 17444  		v.AuxInt = flagConstantToAuxInt(logicFlags32(int32(x) & y))
 17445  		return true
 17446  	}
 17447  	return false
 17448  }
 17449  func rewriteValueARM64_OpARM64TSTconst(v *Value) bool {
 17450  	v_0 := v.Args[0]
 17451  	// match: (TSTconst (MOVDconst [x]) [y])
 17452  	// result: (FlagConstant [logicFlags64(x&y)])
 17453  	for {
 17454  		y := auxIntToInt64(v.AuxInt)
 17455  		if v_0.Op != OpARM64MOVDconst {
 17456  			break
 17457  		}
 17458  		x := auxIntToInt64(v_0.AuxInt)
 17459  		v.reset(OpARM64FlagConstant)
 17460  		v.AuxInt = flagConstantToAuxInt(logicFlags64(x & y))
 17461  		return true
 17462  	}
 17463  	return false
 17464  }
 17465  func rewriteValueARM64_OpARM64TSTshiftLL(v *Value) bool {
 17466  	v_1 := v.Args[1]
 17467  	v_0 := v.Args[0]
 17468  	b := v.Block
 17469  	// match: (TSTshiftLL (MOVDconst [c]) x [d])
 17470  	// result: (TSTconst [c] (SLLconst <x.Type> x [d]))
 17471  	for {
 17472  		d := auxIntToInt64(v.AuxInt)
 17473  		if v_0.Op != OpARM64MOVDconst {
 17474  			break
 17475  		}
 17476  		c := auxIntToInt64(v_0.AuxInt)
 17477  		x := v_1
 17478  		v.reset(OpARM64TSTconst)
 17479  		v.AuxInt = int64ToAuxInt(c)
 17480  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 17481  		v0.AuxInt = int64ToAuxInt(d)
 17482  		v0.AddArg(x)
 17483  		v.AddArg(v0)
 17484  		return true
 17485  	}
 17486  	// match: (TSTshiftLL x (MOVDconst [c]) [d])
 17487  	// result: (TSTconst x [int64(uint64(c)<<uint64(d))])
 17488  	for {
 17489  		d := auxIntToInt64(v.AuxInt)
 17490  		x := v_0
 17491  		if v_1.Op != OpARM64MOVDconst {
 17492  			break
 17493  		}
 17494  		c := auxIntToInt64(v_1.AuxInt)
 17495  		v.reset(OpARM64TSTconst)
 17496  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
 17497  		v.AddArg(x)
 17498  		return true
 17499  	}
 17500  	return false
 17501  }
 17502  func rewriteValueARM64_OpARM64TSTshiftRA(v *Value) bool {
 17503  	v_1 := v.Args[1]
 17504  	v_0 := v.Args[0]
 17505  	b := v.Block
 17506  	// match: (TSTshiftRA (MOVDconst [c]) x [d])
 17507  	// result: (TSTconst [c] (SRAconst <x.Type> x [d]))
 17508  	for {
 17509  		d := auxIntToInt64(v.AuxInt)
 17510  		if v_0.Op != OpARM64MOVDconst {
 17511  			break
 17512  		}
 17513  		c := auxIntToInt64(v_0.AuxInt)
 17514  		x := v_1
 17515  		v.reset(OpARM64TSTconst)
 17516  		v.AuxInt = int64ToAuxInt(c)
 17517  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
 17518  		v0.AuxInt = int64ToAuxInt(d)
 17519  		v0.AddArg(x)
 17520  		v.AddArg(v0)
 17521  		return true
 17522  	}
 17523  	// match: (TSTshiftRA x (MOVDconst [c]) [d])
 17524  	// result: (TSTconst x [c>>uint64(d)])
 17525  	for {
 17526  		d := auxIntToInt64(v.AuxInt)
 17527  		x := v_0
 17528  		if v_1.Op != OpARM64MOVDconst {
 17529  			break
 17530  		}
 17531  		c := auxIntToInt64(v_1.AuxInt)
 17532  		v.reset(OpARM64TSTconst)
 17533  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
 17534  		v.AddArg(x)
 17535  		return true
 17536  	}
 17537  	return false
 17538  }
 17539  func rewriteValueARM64_OpARM64TSTshiftRL(v *Value) bool {
 17540  	v_1 := v.Args[1]
 17541  	v_0 := v.Args[0]
 17542  	b := v.Block
 17543  	// match: (TSTshiftRL (MOVDconst [c]) x [d])
 17544  	// result: (TSTconst [c] (SRLconst <x.Type> x [d]))
 17545  	for {
 17546  		d := auxIntToInt64(v.AuxInt)
 17547  		if v_0.Op != OpARM64MOVDconst {
 17548  			break
 17549  		}
 17550  		c := auxIntToInt64(v_0.AuxInt)
 17551  		x := v_1
 17552  		v.reset(OpARM64TSTconst)
 17553  		v.AuxInt = int64ToAuxInt(c)
 17554  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
 17555  		v0.AuxInt = int64ToAuxInt(d)
 17556  		v0.AddArg(x)
 17557  		v.AddArg(v0)
 17558  		return true
 17559  	}
 17560  	// match: (TSTshiftRL x (MOVDconst [c]) [d])
 17561  	// result: (TSTconst x [int64(uint64(c)>>uint64(d))])
 17562  	for {
 17563  		d := auxIntToInt64(v.AuxInt)
 17564  		x := v_0
 17565  		if v_1.Op != OpARM64MOVDconst {
 17566  			break
 17567  		}
 17568  		c := auxIntToInt64(v_1.AuxInt)
 17569  		v.reset(OpARM64TSTconst)
 17570  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
 17571  		v.AddArg(x)
 17572  		return true
 17573  	}
 17574  	return false
 17575  }
 17576  func rewriteValueARM64_OpARM64TSTshiftRO(v *Value) bool {
 17577  	v_1 := v.Args[1]
 17578  	v_0 := v.Args[0]
 17579  	b := v.Block
 17580  	// match: (TSTshiftRO (MOVDconst [c]) x [d])
 17581  	// result: (TSTconst [c] (RORconst <x.Type> x [d]))
 17582  	for {
 17583  		d := auxIntToInt64(v.AuxInt)
 17584  		if v_0.Op != OpARM64MOVDconst {
 17585  			break
 17586  		}
 17587  		c := auxIntToInt64(v_0.AuxInt)
 17588  		x := v_1
 17589  		v.reset(OpARM64TSTconst)
 17590  		v.AuxInt = int64ToAuxInt(c)
 17591  		v0 := b.NewValue0(v.Pos, OpARM64RORconst, x.Type)
 17592  		v0.AuxInt = int64ToAuxInt(d)
 17593  		v0.AddArg(x)
 17594  		v.AddArg(v0)
 17595  		return true
 17596  	}
 17597  	// match: (TSTshiftRO x (MOVDconst [c]) [d])
 17598  	// result: (TSTconst x [rotateRight64(c, d)])
 17599  	for {
 17600  		d := auxIntToInt64(v.AuxInt)
 17601  		x := v_0
 17602  		if v_1.Op != OpARM64MOVDconst {
 17603  			break
 17604  		}
 17605  		c := auxIntToInt64(v_1.AuxInt)
 17606  		v.reset(OpARM64TSTconst)
 17607  		v.AuxInt = int64ToAuxInt(rotateRight64(c, d))
 17608  		v.AddArg(x)
 17609  		return true
 17610  	}
 17611  	return false
 17612  }
 17613  func rewriteValueARM64_OpARM64UBFIZ(v *Value) bool {
 17614  	v_0 := v.Args[0]
 17615  	// match: (UBFIZ [bfc] (SLLconst [sc] x))
 17616  	// cond: sc < bfc.getARM64BFwidth()
 17617  	// result: (UBFIZ [armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth()-sc)] x)
 17618  	for {
 17619  		bfc := auxIntToArm64BitField(v.AuxInt)
 17620  		if v_0.Op != OpARM64SLLconst {
 17621  			break
 17622  		}
 17623  		sc := auxIntToInt64(v_0.AuxInt)
 17624  		x := v_0.Args[0]
 17625  		if !(sc < bfc.getARM64BFwidth()) {
 17626  			break
 17627  		}
 17628  		v.reset(OpARM64UBFIZ)
 17629  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth()-sc))
 17630  		v.AddArg(x)
 17631  		return true
 17632  	}
 17633  	return false
 17634  }
 17635  func rewriteValueARM64_OpARM64UBFX(v *Value) bool {
 17636  	v_0 := v.Args[0]
 17637  	// match: (UBFX [bfc] (ANDconst [c] x))
 17638  	// cond: isARM64BFMask(0, c, 0) && bfc.getARM64BFlsb() + bfc.getARM64BFwidth() <= arm64BFWidth(c, 0)
 17639  	// result: (UBFX [bfc] x)
 17640  	for {
 17641  		bfc := auxIntToArm64BitField(v.AuxInt)
 17642  		if v_0.Op != OpARM64ANDconst {
 17643  			break
 17644  		}
 17645  		c := auxIntToInt64(v_0.AuxInt)
 17646  		x := v_0.Args[0]
 17647  		if !(isARM64BFMask(0, c, 0) && bfc.getARM64BFlsb()+bfc.getARM64BFwidth() <= arm64BFWidth(c, 0)) {
 17648  			break
 17649  		}
 17650  		v.reset(OpARM64UBFX)
 17651  		v.AuxInt = arm64BitFieldToAuxInt(bfc)
 17652  		v.AddArg(x)
 17653  		return true
 17654  	}
 17655  	// match: (UBFX [bfc] (SRLconst [sc] x))
 17656  	// cond: sc+bfc.getARM64BFwidth()+bfc.getARM64BFlsb() < 64
 17657  	// result: (UBFX [armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth())] x)
 17658  	for {
 17659  		bfc := auxIntToArm64BitField(v.AuxInt)
 17660  		if v_0.Op != OpARM64SRLconst {
 17661  			break
 17662  		}
 17663  		sc := auxIntToInt64(v_0.AuxInt)
 17664  		x := v_0.Args[0]
 17665  		if !(sc+bfc.getARM64BFwidth()+bfc.getARM64BFlsb() < 64) {
 17666  			break
 17667  		}
 17668  		v.reset(OpARM64UBFX)
 17669  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth()))
 17670  		v.AddArg(x)
 17671  		return true
 17672  	}
 17673  	// match: (UBFX [bfc] (SLLconst [sc] x))
 17674  	// cond: sc == bfc.getARM64BFlsb()
 17675  	// result: (ANDconst [1<<uint(bfc.getARM64BFwidth())-1] x)
 17676  	for {
 17677  		bfc := auxIntToArm64BitField(v.AuxInt)
 17678  		if v_0.Op != OpARM64SLLconst {
 17679  			break
 17680  		}
 17681  		sc := auxIntToInt64(v_0.AuxInt)
 17682  		x := v_0.Args[0]
 17683  		if !(sc == bfc.getARM64BFlsb()) {
 17684  			break
 17685  		}
 17686  		v.reset(OpARM64ANDconst)
 17687  		v.AuxInt = int64ToAuxInt(1<<uint(bfc.getARM64BFwidth()) - 1)
 17688  		v.AddArg(x)
 17689  		return true
 17690  	}
 17691  	// match: (UBFX [bfc] (SLLconst [sc] x))
 17692  	// cond: sc < bfc.getARM64BFlsb()
 17693  	// result: (UBFX [armBFAuxInt(bfc.getARM64BFlsb()-sc, bfc.getARM64BFwidth())] x)
 17694  	for {
 17695  		bfc := auxIntToArm64BitField(v.AuxInt)
 17696  		if v_0.Op != OpARM64SLLconst {
 17697  			break
 17698  		}
 17699  		sc := auxIntToInt64(v_0.AuxInt)
 17700  		x := v_0.Args[0]
 17701  		if !(sc < bfc.getARM64BFlsb()) {
 17702  			break
 17703  		}
 17704  		v.reset(OpARM64UBFX)
 17705  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()-sc, bfc.getARM64BFwidth()))
 17706  		v.AddArg(x)
 17707  		return true
 17708  	}
 17709  	// match: (UBFX [bfc] (SLLconst [sc] x))
 17710  	// cond: sc > bfc.getARM64BFlsb() && sc < bfc.getARM64BFlsb()+bfc.getARM64BFwidth()
 17711  	// result: (UBFIZ [armBFAuxInt(sc-bfc.getARM64BFlsb(), bfc.getARM64BFlsb()+bfc.getARM64BFwidth()-sc)] x)
 17712  	for {
 17713  		bfc := auxIntToArm64BitField(v.AuxInt)
 17714  		if v_0.Op != OpARM64SLLconst {
 17715  			break
 17716  		}
 17717  		sc := auxIntToInt64(v_0.AuxInt)
 17718  		x := v_0.Args[0]
 17719  		if !(sc > bfc.getARM64BFlsb() && sc < bfc.getARM64BFlsb()+bfc.getARM64BFwidth()) {
 17720  			break
 17721  		}
 17722  		v.reset(OpARM64UBFIZ)
 17723  		v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc-bfc.getARM64BFlsb(), bfc.getARM64BFlsb()+bfc.getARM64BFwidth()-sc))
 17724  		v.AddArg(x)
 17725  		return true
 17726  	}
 17727  	return false
 17728  }
 17729  func rewriteValueARM64_OpARM64UDIV(v *Value) bool {
 17730  	v_1 := v.Args[1]
 17731  	v_0 := v.Args[0]
 17732  	// match: (UDIV x (MOVDconst [1]))
 17733  	// result: x
 17734  	for {
 17735  		x := v_0
 17736  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 17737  			break
 17738  		}
 17739  		v.copyOf(x)
 17740  		return true
 17741  	}
 17742  	// match: (UDIV x (MOVDconst [c]))
 17743  	// cond: isPowerOfTwo64(c)
 17744  	// result: (SRLconst [log64(c)] x)
 17745  	for {
 17746  		x := v_0
 17747  		if v_1.Op != OpARM64MOVDconst {
 17748  			break
 17749  		}
 17750  		c := auxIntToInt64(v_1.AuxInt)
 17751  		if !(isPowerOfTwo64(c)) {
 17752  			break
 17753  		}
 17754  		v.reset(OpARM64SRLconst)
 17755  		v.AuxInt = int64ToAuxInt(log64(c))
 17756  		v.AddArg(x)
 17757  		return true
 17758  	}
 17759  	// match: (UDIV (MOVDconst [c]) (MOVDconst [d]))
 17760  	// cond: d != 0
 17761  	// result: (MOVDconst [int64(uint64(c)/uint64(d))])
 17762  	for {
 17763  		if v_0.Op != OpARM64MOVDconst {
 17764  			break
 17765  		}
 17766  		c := auxIntToInt64(v_0.AuxInt)
 17767  		if v_1.Op != OpARM64MOVDconst {
 17768  			break
 17769  		}
 17770  		d := auxIntToInt64(v_1.AuxInt)
 17771  		if !(d != 0) {
 17772  			break
 17773  		}
 17774  		v.reset(OpARM64MOVDconst)
 17775  		v.AuxInt = int64ToAuxInt(int64(uint64(c) / uint64(d)))
 17776  		return true
 17777  	}
 17778  	return false
 17779  }
 17780  func rewriteValueARM64_OpARM64UDIVW(v *Value) bool {
 17781  	v_1 := v.Args[1]
 17782  	v_0 := v.Args[0]
 17783  	b := v.Block
 17784  	// match: (UDIVW x (MOVDconst [c]))
 17785  	// cond: uint32(c)==1
 17786  	// result: (MOVWUreg x)
 17787  	for {
 17788  		x := v_0
 17789  		if v_1.Op != OpARM64MOVDconst {
 17790  			break
 17791  		}
 17792  		c := auxIntToInt64(v_1.AuxInt)
 17793  		if !(uint32(c) == 1) {
 17794  			break
 17795  		}
 17796  		v.reset(OpARM64MOVWUreg)
 17797  		v.AddArg(x)
 17798  		return true
 17799  	}
 17800  	// match: (UDIVW x (MOVDconst [c]))
 17801  	// cond: isPowerOfTwo64(c) && is32Bit(c)
 17802  	// result: (SRLconst [log64(c)] (MOVWUreg <v.Type> x))
 17803  	for {
 17804  		x := v_0
 17805  		if v_1.Op != OpARM64MOVDconst {
 17806  			break
 17807  		}
 17808  		c := auxIntToInt64(v_1.AuxInt)
 17809  		if !(isPowerOfTwo64(c) && is32Bit(c)) {
 17810  			break
 17811  		}
 17812  		v.reset(OpARM64SRLconst)
 17813  		v.AuxInt = int64ToAuxInt(log64(c))
 17814  		v0 := b.NewValue0(v.Pos, OpARM64MOVWUreg, v.Type)
 17815  		v0.AddArg(x)
 17816  		v.AddArg(v0)
 17817  		return true
 17818  	}
 17819  	// match: (UDIVW (MOVDconst [c]) (MOVDconst [d]))
 17820  	// cond: d != 0
 17821  	// result: (MOVDconst [int64(uint32(c)/uint32(d))])
 17822  	for {
 17823  		if v_0.Op != OpARM64MOVDconst {
 17824  			break
 17825  		}
 17826  		c := auxIntToInt64(v_0.AuxInt)
 17827  		if v_1.Op != OpARM64MOVDconst {
 17828  			break
 17829  		}
 17830  		d := auxIntToInt64(v_1.AuxInt)
 17831  		if !(d != 0) {
 17832  			break
 17833  		}
 17834  		v.reset(OpARM64MOVDconst)
 17835  		v.AuxInt = int64ToAuxInt(int64(uint32(c) / uint32(d)))
 17836  		return true
 17837  	}
 17838  	return false
 17839  }
 17840  func rewriteValueARM64_OpARM64UMOD(v *Value) bool {
 17841  	v_1 := v.Args[1]
 17842  	v_0 := v.Args[0]
 17843  	b := v.Block
 17844  	typ := &b.Func.Config.Types
 17845  	// match: (UMOD <typ.UInt64> x y)
 17846  	// result: (MSUB <typ.UInt64> x y (UDIV <typ.UInt64> x y))
 17847  	for {
 17848  		if v.Type != typ.UInt64 {
 17849  			break
 17850  		}
 17851  		x := v_0
 17852  		y := v_1
 17853  		v.reset(OpARM64MSUB)
 17854  		v.Type = typ.UInt64
 17855  		v0 := b.NewValue0(v.Pos, OpARM64UDIV, typ.UInt64)
 17856  		v0.AddArg2(x, y)
 17857  		v.AddArg3(x, y, v0)
 17858  		return true
 17859  	}
 17860  	// match: (UMOD _ (MOVDconst [1]))
 17861  	// result: (MOVDconst [0])
 17862  	for {
 17863  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 17864  			break
 17865  		}
 17866  		v.reset(OpARM64MOVDconst)
 17867  		v.AuxInt = int64ToAuxInt(0)
 17868  		return true
 17869  	}
 17870  	// match: (UMOD x (MOVDconst [c]))
 17871  	// cond: isPowerOfTwo64(c)
 17872  	// result: (ANDconst [c-1] x)
 17873  	for {
 17874  		x := v_0
 17875  		if v_1.Op != OpARM64MOVDconst {
 17876  			break
 17877  		}
 17878  		c := auxIntToInt64(v_1.AuxInt)
 17879  		if !(isPowerOfTwo64(c)) {
 17880  			break
 17881  		}
 17882  		v.reset(OpARM64ANDconst)
 17883  		v.AuxInt = int64ToAuxInt(c - 1)
 17884  		v.AddArg(x)
 17885  		return true
 17886  	}
 17887  	// match: (UMOD (MOVDconst [c]) (MOVDconst [d]))
 17888  	// cond: d != 0
 17889  	// result: (MOVDconst [int64(uint64(c)%uint64(d))])
 17890  	for {
 17891  		if v_0.Op != OpARM64MOVDconst {
 17892  			break
 17893  		}
 17894  		c := auxIntToInt64(v_0.AuxInt)
 17895  		if v_1.Op != OpARM64MOVDconst {
 17896  			break
 17897  		}
 17898  		d := auxIntToInt64(v_1.AuxInt)
 17899  		if !(d != 0) {
 17900  			break
 17901  		}
 17902  		v.reset(OpARM64MOVDconst)
 17903  		v.AuxInt = int64ToAuxInt(int64(uint64(c) % uint64(d)))
 17904  		return true
 17905  	}
 17906  	return false
 17907  }
 17908  func rewriteValueARM64_OpARM64UMODW(v *Value) bool {
 17909  	v_1 := v.Args[1]
 17910  	v_0 := v.Args[0]
 17911  	b := v.Block
 17912  	typ := &b.Func.Config.Types
 17913  	// match: (UMODW <typ.UInt32> x y)
 17914  	// result: (MSUBW <typ.UInt32> x y (UDIVW <typ.UInt32> x y))
 17915  	for {
 17916  		if v.Type != typ.UInt32 {
 17917  			break
 17918  		}
 17919  		x := v_0
 17920  		y := v_1
 17921  		v.reset(OpARM64MSUBW)
 17922  		v.Type = typ.UInt32
 17923  		v0 := b.NewValue0(v.Pos, OpARM64UDIVW, typ.UInt32)
 17924  		v0.AddArg2(x, y)
 17925  		v.AddArg3(x, y, v0)
 17926  		return true
 17927  	}
 17928  	// match: (UMODW _ (MOVDconst [c]))
 17929  	// cond: uint32(c)==1
 17930  	// result: (MOVDconst [0])
 17931  	for {
 17932  		if v_1.Op != OpARM64MOVDconst {
 17933  			break
 17934  		}
 17935  		c := auxIntToInt64(v_1.AuxInt)
 17936  		if !(uint32(c) == 1) {
 17937  			break
 17938  		}
 17939  		v.reset(OpARM64MOVDconst)
 17940  		v.AuxInt = int64ToAuxInt(0)
 17941  		return true
 17942  	}
 17943  	// match: (UMODW x (MOVDconst [c]))
 17944  	// cond: isPowerOfTwo64(c) && is32Bit(c)
 17945  	// result: (ANDconst [c-1] x)
 17946  	for {
 17947  		x := v_0
 17948  		if v_1.Op != OpARM64MOVDconst {
 17949  			break
 17950  		}
 17951  		c := auxIntToInt64(v_1.AuxInt)
 17952  		if !(isPowerOfTwo64(c) && is32Bit(c)) {
 17953  			break
 17954  		}
 17955  		v.reset(OpARM64ANDconst)
 17956  		v.AuxInt = int64ToAuxInt(c - 1)
 17957  		v.AddArg(x)
 17958  		return true
 17959  	}
 17960  	// match: (UMODW (MOVDconst [c]) (MOVDconst [d]))
 17961  	// cond: d != 0
 17962  	// result: (MOVDconst [int64(uint32(c)%uint32(d))])
 17963  	for {
 17964  		if v_0.Op != OpARM64MOVDconst {
 17965  			break
 17966  		}
 17967  		c := auxIntToInt64(v_0.AuxInt)
 17968  		if v_1.Op != OpARM64MOVDconst {
 17969  			break
 17970  		}
 17971  		d := auxIntToInt64(v_1.AuxInt)
 17972  		if !(d != 0) {
 17973  			break
 17974  		}
 17975  		v.reset(OpARM64MOVDconst)
 17976  		v.AuxInt = int64ToAuxInt(int64(uint32(c) % uint32(d)))
 17977  		return true
 17978  	}
 17979  	return false
 17980  }
 17981  func rewriteValueARM64_OpARM64XOR(v *Value) bool {
 17982  	v_1 := v.Args[1]
 17983  	v_0 := v.Args[0]
 17984  	// match: (XOR x (MOVDconst [c]))
 17985  	// result: (XORconst [c] x)
 17986  	for {
 17987  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 17988  			x := v_0
 17989  			if v_1.Op != OpARM64MOVDconst {
 17990  				continue
 17991  			}
 17992  			c := auxIntToInt64(v_1.AuxInt)
 17993  			v.reset(OpARM64XORconst)
 17994  			v.AuxInt = int64ToAuxInt(c)
 17995  			v.AddArg(x)
 17996  			return true
 17997  		}
 17998  		break
 17999  	}
 18000  	// match: (XOR x x)
 18001  	// result: (MOVDconst [0])
 18002  	for {
 18003  		x := v_0
 18004  		if x != v_1 {
 18005  			break
 18006  		}
 18007  		v.reset(OpARM64MOVDconst)
 18008  		v.AuxInt = int64ToAuxInt(0)
 18009  		return true
 18010  	}
 18011  	// match: (XOR x (MVN y))
 18012  	// result: (EON x y)
 18013  	for {
 18014  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 18015  			x := v_0
 18016  			if v_1.Op != OpARM64MVN {
 18017  				continue
 18018  			}
 18019  			y := v_1.Args[0]
 18020  			v.reset(OpARM64EON)
 18021  			v.AddArg2(x, y)
 18022  			return true
 18023  		}
 18024  		break
 18025  	}
 18026  	// match: (XOR x0 x1:(SLLconst [c] y))
 18027  	// cond: clobberIfDead(x1)
 18028  	// result: (XORshiftLL x0 y [c])
 18029  	for {
 18030  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 18031  			x0 := v_0
 18032  			x1 := v_1
 18033  			if x1.Op != OpARM64SLLconst {
 18034  				continue
 18035  			}
 18036  			c := auxIntToInt64(x1.AuxInt)
 18037  			y := x1.Args[0]
 18038  			if !(clobberIfDead(x1)) {
 18039  				continue
 18040  			}
 18041  			v.reset(OpARM64XORshiftLL)
 18042  			v.AuxInt = int64ToAuxInt(c)
 18043  			v.AddArg2(x0, y)
 18044  			return true
 18045  		}
 18046  		break
 18047  	}
 18048  	// match: (XOR x0 x1:(SRLconst [c] y))
 18049  	// cond: clobberIfDead(x1)
 18050  	// result: (XORshiftRL x0 y [c])
 18051  	for {
 18052  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 18053  			x0 := v_0
 18054  			x1 := v_1
 18055  			if x1.Op != OpARM64SRLconst {
 18056  				continue
 18057  			}
 18058  			c := auxIntToInt64(x1.AuxInt)
 18059  			y := x1.Args[0]
 18060  			if !(clobberIfDead(x1)) {
 18061  				continue
 18062  			}
 18063  			v.reset(OpARM64XORshiftRL)
 18064  			v.AuxInt = int64ToAuxInt(c)
 18065  			v.AddArg2(x0, y)
 18066  			return true
 18067  		}
 18068  		break
 18069  	}
 18070  	// match: (XOR x0 x1:(SRAconst [c] y))
 18071  	// cond: clobberIfDead(x1)
 18072  	// result: (XORshiftRA x0 y [c])
 18073  	for {
 18074  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 18075  			x0 := v_0
 18076  			x1 := v_1
 18077  			if x1.Op != OpARM64SRAconst {
 18078  				continue
 18079  			}
 18080  			c := auxIntToInt64(x1.AuxInt)
 18081  			y := x1.Args[0]
 18082  			if !(clobberIfDead(x1)) {
 18083  				continue
 18084  			}
 18085  			v.reset(OpARM64XORshiftRA)
 18086  			v.AuxInt = int64ToAuxInt(c)
 18087  			v.AddArg2(x0, y)
 18088  			return true
 18089  		}
 18090  		break
 18091  	}
 18092  	// match: (XOR x0 x1:(RORconst [c] y))
 18093  	// cond: clobberIfDead(x1)
 18094  	// result: (XORshiftRO x0 y [c])
 18095  	for {
 18096  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
 18097  			x0 := v_0
 18098  			x1 := v_1
 18099  			if x1.Op != OpARM64RORconst {
 18100  				continue
 18101  			}
 18102  			c := auxIntToInt64(x1.AuxInt)
 18103  			y := x1.Args[0]
 18104  			if !(clobberIfDead(x1)) {
 18105  				continue
 18106  			}
 18107  			v.reset(OpARM64XORshiftRO)
 18108  			v.AuxInt = int64ToAuxInt(c)
 18109  			v.AddArg2(x0, y)
 18110  			return true
 18111  		}
 18112  		break
 18113  	}
 18114  	return false
 18115  }
 18116  func rewriteValueARM64_OpARM64XORconst(v *Value) bool {
 18117  	v_0 := v.Args[0]
 18118  	// match: (XORconst [0] x)
 18119  	// result: x
 18120  	for {
 18121  		if auxIntToInt64(v.AuxInt) != 0 {
 18122  			break
 18123  		}
 18124  		x := v_0
 18125  		v.copyOf(x)
 18126  		return true
 18127  	}
 18128  	// match: (XORconst [-1] x)
 18129  	// result: (MVN x)
 18130  	for {
 18131  		if auxIntToInt64(v.AuxInt) != -1 {
 18132  			break
 18133  		}
 18134  		x := v_0
 18135  		v.reset(OpARM64MVN)
 18136  		v.AddArg(x)
 18137  		return true
 18138  	}
 18139  	// match: (XORconst [c] (MOVDconst [d]))
 18140  	// result: (MOVDconst [c^d])
 18141  	for {
 18142  		c := auxIntToInt64(v.AuxInt)
 18143  		if v_0.Op != OpARM64MOVDconst {
 18144  			break
 18145  		}
 18146  		d := auxIntToInt64(v_0.AuxInt)
 18147  		v.reset(OpARM64MOVDconst)
 18148  		v.AuxInt = int64ToAuxInt(c ^ d)
 18149  		return true
 18150  	}
 18151  	// match: (XORconst [c] (XORconst [d] x))
 18152  	// result: (XORconst [c^d] x)
 18153  	for {
 18154  		c := auxIntToInt64(v.AuxInt)
 18155  		if v_0.Op != OpARM64XORconst {
 18156  			break
 18157  		}
 18158  		d := auxIntToInt64(v_0.AuxInt)
 18159  		x := v_0.Args[0]
 18160  		v.reset(OpARM64XORconst)
 18161  		v.AuxInt = int64ToAuxInt(c ^ d)
 18162  		v.AddArg(x)
 18163  		return true
 18164  	}
 18165  	return false
 18166  }
 18167  func rewriteValueARM64_OpARM64XORshiftLL(v *Value) bool {
 18168  	v_1 := v.Args[1]
 18169  	v_0 := v.Args[0]
 18170  	b := v.Block
 18171  	typ := &b.Func.Config.Types
 18172  	// match: (XORshiftLL (MOVDconst [c]) x [d])
 18173  	// result: (XORconst [c] (SLLconst <x.Type> x [d]))
 18174  	for {
 18175  		d := auxIntToInt64(v.AuxInt)
 18176  		if v_0.Op != OpARM64MOVDconst {
 18177  			break
 18178  		}
 18179  		c := auxIntToInt64(v_0.AuxInt)
 18180  		x := v_1
 18181  		v.reset(OpARM64XORconst)
 18182  		v.AuxInt = int64ToAuxInt(c)
 18183  		v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type)
 18184  		v0.AuxInt = int64ToAuxInt(d)
 18185  		v0.AddArg(x)
 18186  		v.AddArg(v0)
 18187  		return true
 18188  	}
 18189  	// match: (XORshiftLL x (MOVDconst [c]) [d])
 18190  	// result: (XORconst x [int64(uint64(c)<<uint64(d))])
 18191  	for {
 18192  		d := auxIntToInt64(v.AuxInt)
 18193  		x := v_0
 18194  		if v_1.Op != OpARM64MOVDconst {
 18195  			break
 18196  		}
 18197  		c := auxIntToInt64(v_1.AuxInt)
 18198  		v.reset(OpARM64XORconst)
 18199  		v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d)))
 18200  		v.AddArg(x)
 18201  		return true
 18202  	}
 18203  	// match: (XORshiftLL (SLLconst x [c]) x [c])
 18204  	// result: (MOVDconst [0])
 18205  	for {
 18206  		c := auxIntToInt64(v.AuxInt)
 18207  		if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c {
 18208  			break
 18209  		}
 18210  		x := v_0.Args[0]
 18211  		if x != v_1 {
 18212  			break
 18213  		}
 18214  		v.reset(OpARM64MOVDconst)
 18215  		v.AuxInt = int64ToAuxInt(0)
 18216  		return true
 18217  	}
 18218  	// match: (XORshiftLL <typ.UInt16> [8] (UBFX <typ.UInt16> [armBFAuxInt(8, 8)] x) x)
 18219  	// result: (REV16W x)
 18220  	for {
 18221  		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) {
 18222  			break
 18223  		}
 18224  		x := v_0.Args[0]
 18225  		if x != v_1 {
 18226  			break
 18227  		}
 18228  		v.reset(OpARM64REV16W)
 18229  		v.AddArg(x)
 18230  		return true
 18231  	}
 18232  	// match: (XORshiftLL [8] (UBFX [armBFAuxInt(8, 24)] (ANDconst [c1] x)) (ANDconst [c2] x))
 18233  	// cond: uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff
 18234  	// result: (REV16W x)
 18235  	for {
 18236  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 24) {
 18237  			break
 18238  		}
 18239  		v_0_0 := v_0.Args[0]
 18240  		if v_0_0.Op != OpARM64ANDconst {
 18241  			break
 18242  		}
 18243  		c1 := auxIntToInt64(v_0_0.AuxInt)
 18244  		x := v_0_0.Args[0]
 18245  		if v_1.Op != OpARM64ANDconst {
 18246  			break
 18247  		}
 18248  		c2 := auxIntToInt64(v_1.AuxInt)
 18249  		if x != v_1.Args[0] || !(uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff) {
 18250  			break
 18251  		}
 18252  		v.reset(OpARM64REV16W)
 18253  		v.AddArg(x)
 18254  		return true
 18255  	}
 18256  	// match: (XORshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
 18257  	// cond: (uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff)
 18258  	// result: (REV16 x)
 18259  	for {
 18260  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
 18261  			break
 18262  		}
 18263  		v_0_0 := v_0.Args[0]
 18264  		if v_0_0.Op != OpARM64ANDconst {
 18265  			break
 18266  		}
 18267  		c1 := auxIntToInt64(v_0_0.AuxInt)
 18268  		x := v_0_0.Args[0]
 18269  		if v_1.Op != OpARM64ANDconst {
 18270  			break
 18271  		}
 18272  		c2 := auxIntToInt64(v_1.AuxInt)
 18273  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff) {
 18274  			break
 18275  		}
 18276  		v.reset(OpARM64REV16)
 18277  		v.AddArg(x)
 18278  		return true
 18279  	}
 18280  	// match: (XORshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x))
 18281  	// cond: (uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff)
 18282  	// result: (REV16 (ANDconst <x.Type> [0xffffffff] x))
 18283  	for {
 18284  		if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 {
 18285  			break
 18286  		}
 18287  		v_0_0 := v_0.Args[0]
 18288  		if v_0_0.Op != OpARM64ANDconst {
 18289  			break
 18290  		}
 18291  		c1 := auxIntToInt64(v_0_0.AuxInt)
 18292  		x := v_0_0.Args[0]
 18293  		if v_1.Op != OpARM64ANDconst {
 18294  			break
 18295  		}
 18296  		c2 := auxIntToInt64(v_1.AuxInt)
 18297  		if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff) {
 18298  			break
 18299  		}
 18300  		v.reset(OpARM64REV16)
 18301  		v0 := b.NewValue0(v.Pos, OpARM64ANDconst, x.Type)
 18302  		v0.AuxInt = int64ToAuxInt(0xffffffff)
 18303  		v0.AddArg(x)
 18304  		v.AddArg(v0)
 18305  		return true
 18306  	}
 18307  	// match: (XORshiftLL [c] (SRLconst x [64-c]) x2)
 18308  	// result: (EXTRconst [64-c] x2 x)
 18309  	for {
 18310  		c := auxIntToInt64(v.AuxInt)
 18311  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 64-c {
 18312  			break
 18313  		}
 18314  		x := v_0.Args[0]
 18315  		x2 := v_1
 18316  		v.reset(OpARM64EXTRconst)
 18317  		v.AuxInt = int64ToAuxInt(64 - c)
 18318  		v.AddArg2(x2, x)
 18319  		return true
 18320  	}
 18321  	// match: (XORshiftLL <t> [c] (UBFX [bfc] x) x2)
 18322  	// cond: c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)
 18323  	// result: (EXTRWconst [32-c] x2 x)
 18324  	for {
 18325  		t := v.Type
 18326  		c := auxIntToInt64(v.AuxInt)
 18327  		if v_0.Op != OpARM64UBFX {
 18328  			break
 18329  		}
 18330  		bfc := auxIntToArm64BitField(v_0.AuxInt)
 18331  		x := v_0.Args[0]
 18332  		x2 := v_1
 18333  		if !(c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)) {
 18334  			break
 18335  		}
 18336  		v.reset(OpARM64EXTRWconst)
 18337  		v.AuxInt = int64ToAuxInt(32 - c)
 18338  		v.AddArg2(x2, x)
 18339  		return true
 18340  	}
 18341  	return false
 18342  }
 18343  func rewriteValueARM64_OpARM64XORshiftRA(v *Value) bool {
 18344  	v_1 := v.Args[1]
 18345  	v_0 := v.Args[0]
 18346  	b := v.Block
 18347  	// match: (XORshiftRA (MOVDconst [c]) x [d])
 18348  	// result: (XORconst [c] (SRAconst <x.Type> x [d]))
 18349  	for {
 18350  		d := auxIntToInt64(v.AuxInt)
 18351  		if v_0.Op != OpARM64MOVDconst {
 18352  			break
 18353  		}
 18354  		c := auxIntToInt64(v_0.AuxInt)
 18355  		x := v_1
 18356  		v.reset(OpARM64XORconst)
 18357  		v.AuxInt = int64ToAuxInt(c)
 18358  		v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type)
 18359  		v0.AuxInt = int64ToAuxInt(d)
 18360  		v0.AddArg(x)
 18361  		v.AddArg(v0)
 18362  		return true
 18363  	}
 18364  	// match: (XORshiftRA x (MOVDconst [c]) [d])
 18365  	// result: (XORconst x [c>>uint64(d)])
 18366  	for {
 18367  		d := auxIntToInt64(v.AuxInt)
 18368  		x := v_0
 18369  		if v_1.Op != OpARM64MOVDconst {
 18370  			break
 18371  		}
 18372  		c := auxIntToInt64(v_1.AuxInt)
 18373  		v.reset(OpARM64XORconst)
 18374  		v.AuxInt = int64ToAuxInt(c >> uint64(d))
 18375  		v.AddArg(x)
 18376  		return true
 18377  	}
 18378  	// match: (XORshiftRA (SRAconst x [c]) x [c])
 18379  	// result: (MOVDconst [0])
 18380  	for {
 18381  		c := auxIntToInt64(v.AuxInt)
 18382  		if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c {
 18383  			break
 18384  		}
 18385  		x := v_0.Args[0]
 18386  		if x != v_1 {
 18387  			break
 18388  		}
 18389  		v.reset(OpARM64MOVDconst)
 18390  		v.AuxInt = int64ToAuxInt(0)
 18391  		return true
 18392  	}
 18393  	return false
 18394  }
 18395  func rewriteValueARM64_OpARM64XORshiftRL(v *Value) bool {
 18396  	v_1 := v.Args[1]
 18397  	v_0 := v.Args[0]
 18398  	b := v.Block
 18399  	// match: (XORshiftRL (MOVDconst [c]) x [d])
 18400  	// result: (XORconst [c] (SRLconst <x.Type> x [d]))
 18401  	for {
 18402  		d := auxIntToInt64(v.AuxInt)
 18403  		if v_0.Op != OpARM64MOVDconst {
 18404  			break
 18405  		}
 18406  		c := auxIntToInt64(v_0.AuxInt)
 18407  		x := v_1
 18408  		v.reset(OpARM64XORconst)
 18409  		v.AuxInt = int64ToAuxInt(c)
 18410  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type)
 18411  		v0.AuxInt = int64ToAuxInt(d)
 18412  		v0.AddArg(x)
 18413  		v.AddArg(v0)
 18414  		return true
 18415  	}
 18416  	// match: (XORshiftRL x (MOVDconst [c]) [d])
 18417  	// result: (XORconst x [int64(uint64(c)>>uint64(d))])
 18418  	for {
 18419  		d := auxIntToInt64(v.AuxInt)
 18420  		x := v_0
 18421  		if v_1.Op != OpARM64MOVDconst {
 18422  			break
 18423  		}
 18424  		c := auxIntToInt64(v_1.AuxInt)
 18425  		v.reset(OpARM64XORconst)
 18426  		v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d)))
 18427  		v.AddArg(x)
 18428  		return true
 18429  	}
 18430  	// match: (XORshiftRL (SRLconst x [c]) x [c])
 18431  	// result: (MOVDconst [0])
 18432  	for {
 18433  		c := auxIntToInt64(v.AuxInt)
 18434  		if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c {
 18435  			break
 18436  		}
 18437  		x := v_0.Args[0]
 18438  		if x != v_1 {
 18439  			break
 18440  		}
 18441  		v.reset(OpARM64MOVDconst)
 18442  		v.AuxInt = int64ToAuxInt(0)
 18443  		return true
 18444  	}
 18445  	return false
 18446  }
 18447  func rewriteValueARM64_OpARM64XORshiftRO(v *Value) bool {
 18448  	v_1 := v.Args[1]
 18449  	v_0 := v.Args[0]
 18450  	b := v.Block
 18451  	// match: (XORshiftRO (MOVDconst [c]) x [d])
 18452  	// result: (XORconst [c] (RORconst <x.Type> x [d]))
 18453  	for {
 18454  		d := auxIntToInt64(v.AuxInt)
 18455  		if v_0.Op != OpARM64MOVDconst {
 18456  			break
 18457  		}
 18458  		c := auxIntToInt64(v_0.AuxInt)
 18459  		x := v_1
 18460  		v.reset(OpARM64XORconst)
 18461  		v.AuxInt = int64ToAuxInt(c)
 18462  		v0 := b.NewValue0(v.Pos, OpARM64RORconst, x.Type)
 18463  		v0.AuxInt = int64ToAuxInt(d)
 18464  		v0.AddArg(x)
 18465  		v.AddArg(v0)
 18466  		return true
 18467  	}
 18468  	// match: (XORshiftRO x (MOVDconst [c]) [d])
 18469  	// result: (XORconst x [rotateRight64(c, d)])
 18470  	for {
 18471  		d := auxIntToInt64(v.AuxInt)
 18472  		x := v_0
 18473  		if v_1.Op != OpARM64MOVDconst {
 18474  			break
 18475  		}
 18476  		c := auxIntToInt64(v_1.AuxInt)
 18477  		v.reset(OpARM64XORconst)
 18478  		v.AuxInt = int64ToAuxInt(rotateRight64(c, d))
 18479  		v.AddArg(x)
 18480  		return true
 18481  	}
 18482  	// match: (XORshiftRO (RORconst x [c]) x [c])
 18483  	// result: (MOVDconst [0])
 18484  	for {
 18485  		c := auxIntToInt64(v.AuxInt)
 18486  		if v_0.Op != OpARM64RORconst || auxIntToInt64(v_0.AuxInt) != c {
 18487  			break
 18488  		}
 18489  		x := v_0.Args[0]
 18490  		if x != v_1 {
 18491  			break
 18492  		}
 18493  		v.reset(OpARM64MOVDconst)
 18494  		v.AuxInt = int64ToAuxInt(0)
 18495  		return true
 18496  	}
 18497  	return false
 18498  }
 18499  func rewriteValueARM64_OpAddr(v *Value) bool {
 18500  	v_0 := v.Args[0]
 18501  	// match: (Addr {sym} base)
 18502  	// result: (MOVDaddr {sym} base)
 18503  	for {
 18504  		sym := auxToSym(v.Aux)
 18505  		base := v_0
 18506  		v.reset(OpARM64MOVDaddr)
 18507  		v.Aux = symToAux(sym)
 18508  		v.AddArg(base)
 18509  		return true
 18510  	}
 18511  }
 18512  func rewriteValueARM64_OpAtomicAnd32(v *Value) bool {
 18513  	v_2 := v.Args[2]
 18514  	v_1 := v.Args[1]
 18515  	v_0 := v.Args[0]
 18516  	b := v.Block
 18517  	typ := &b.Func.Config.Types
 18518  	// match: (AtomicAnd32 ptr val mem)
 18519  	// result: (Select1 (LoweredAtomicAnd32 ptr val mem))
 18520  	for {
 18521  		ptr := v_0
 18522  		val := v_1
 18523  		mem := v_2
 18524  		v.reset(OpSelect1)
 18525  		v0 := b.NewValue0(v.Pos, OpARM64LoweredAtomicAnd32, types.NewTuple(typ.UInt32, types.TypeMem))
 18526  		v0.AddArg3(ptr, val, mem)
 18527  		v.AddArg(v0)
 18528  		return true
 18529  	}
 18530  }
 18531  func rewriteValueARM64_OpAtomicAnd32Variant(v *Value) bool {
 18532  	v_2 := v.Args[2]
 18533  	v_1 := v.Args[1]
 18534  	v_0 := v.Args[0]
 18535  	b := v.Block
 18536  	typ := &b.Func.Config.Types
 18537  	// match: (AtomicAnd32Variant ptr val mem)
 18538  	// result: (Select1 (LoweredAtomicAnd32Variant ptr val mem))
 18539  	for {
 18540  		ptr := v_0
 18541  		val := v_1
 18542  		mem := v_2
 18543  		v.reset(OpSelect1)
 18544  		v0 := b.NewValue0(v.Pos, OpARM64LoweredAtomicAnd32Variant, types.NewTuple(typ.UInt32, types.TypeMem))
 18545  		v0.AddArg3(ptr, val, mem)
 18546  		v.AddArg(v0)
 18547  		return true
 18548  	}
 18549  }
 18550  func rewriteValueARM64_OpAtomicAnd8(v *Value) bool {
 18551  	v_2 := v.Args[2]
 18552  	v_1 := v.Args[1]
 18553  	v_0 := v.Args[0]
 18554  	b := v.Block
 18555  	typ := &b.Func.Config.Types
 18556  	// match: (AtomicAnd8 ptr val mem)
 18557  	// result: (Select1 (LoweredAtomicAnd8 ptr val mem))
 18558  	for {
 18559  		ptr := v_0
 18560  		val := v_1
 18561  		mem := v_2
 18562  		v.reset(OpSelect1)
 18563  		v0 := b.NewValue0(v.Pos, OpARM64LoweredAtomicAnd8, types.NewTuple(typ.UInt8, types.TypeMem))
 18564  		v0.AddArg3(ptr, val, mem)
 18565  		v.AddArg(v0)
 18566  		return true
 18567  	}
 18568  }
 18569  func rewriteValueARM64_OpAtomicAnd8Variant(v *Value) bool {
 18570  	v_2 := v.Args[2]
 18571  	v_1 := v.Args[1]
 18572  	v_0 := v.Args[0]
 18573  	b := v.Block
 18574  	typ := &b.Func.Config.Types
 18575  	// match: (AtomicAnd8Variant ptr val mem)
 18576  	// result: (Select1 (LoweredAtomicAnd8Variant ptr val mem))
 18577  	for {
 18578  		ptr := v_0
 18579  		val := v_1
 18580  		mem := v_2
 18581  		v.reset(OpSelect1)
 18582  		v0 := b.NewValue0(v.Pos, OpARM64LoweredAtomicAnd8Variant, types.NewTuple(typ.UInt8, types.TypeMem))
 18583  		v0.AddArg3(ptr, val, mem)
 18584  		v.AddArg(v0)
 18585  		return true
 18586  	}
 18587  }
 18588  func rewriteValueARM64_OpAtomicOr32(v *Value) bool {
 18589  	v_2 := v.Args[2]
 18590  	v_1 := v.Args[1]
 18591  	v_0 := v.Args[0]
 18592  	b := v.Block
 18593  	typ := &b.Func.Config.Types
 18594  	// match: (AtomicOr32 ptr val mem)
 18595  	// result: (Select1 (LoweredAtomicOr32 ptr val mem))
 18596  	for {
 18597  		ptr := v_0
 18598  		val := v_1
 18599  		mem := v_2
 18600  		v.reset(OpSelect1)
 18601  		v0 := b.NewValue0(v.Pos, OpARM64LoweredAtomicOr32, types.NewTuple(typ.UInt32, types.TypeMem))
 18602  		v0.AddArg3(ptr, val, mem)
 18603  		v.AddArg(v0)
 18604  		return true
 18605  	}
 18606  }
 18607  func rewriteValueARM64_OpAtomicOr32Variant(v *Value) bool {
 18608  	v_2 := v.Args[2]
 18609  	v_1 := v.Args[1]
 18610  	v_0 := v.Args[0]
 18611  	b := v.Block
 18612  	typ := &b.Func.Config.Types
 18613  	// match: (AtomicOr32Variant ptr val mem)
 18614  	// result: (Select1 (LoweredAtomicOr32Variant ptr val mem))
 18615  	for {
 18616  		ptr := v_0
 18617  		val := v_1
 18618  		mem := v_2
 18619  		v.reset(OpSelect1)
 18620  		v0 := b.NewValue0(v.Pos, OpARM64LoweredAtomicOr32Variant, types.NewTuple(typ.UInt32, types.TypeMem))
 18621  		v0.AddArg3(ptr, val, mem)
 18622  		v.AddArg(v0)
 18623  		return true
 18624  	}
 18625  }
 18626  func rewriteValueARM64_OpAtomicOr8(v *Value) bool {
 18627  	v_2 := v.Args[2]
 18628  	v_1 := v.Args[1]
 18629  	v_0 := v.Args[0]
 18630  	b := v.Block
 18631  	typ := &b.Func.Config.Types
 18632  	// match: (AtomicOr8 ptr val mem)
 18633  	// result: (Select1 (LoweredAtomicOr8 ptr val mem))
 18634  	for {
 18635  		ptr := v_0
 18636  		val := v_1
 18637  		mem := v_2
 18638  		v.reset(OpSelect1)
 18639  		v0 := b.NewValue0(v.Pos, OpARM64LoweredAtomicOr8, types.NewTuple(typ.UInt8, types.TypeMem))
 18640  		v0.AddArg3(ptr, val, mem)
 18641  		v.AddArg(v0)
 18642  		return true
 18643  	}
 18644  }
 18645  func rewriteValueARM64_OpAtomicOr8Variant(v *Value) bool {
 18646  	v_2 := v.Args[2]
 18647  	v_1 := v.Args[1]
 18648  	v_0 := v.Args[0]
 18649  	b := v.Block
 18650  	typ := &b.Func.Config.Types
 18651  	// match: (AtomicOr8Variant ptr val mem)
 18652  	// result: (Select1 (LoweredAtomicOr8Variant ptr val mem))
 18653  	for {
 18654  		ptr := v_0
 18655  		val := v_1
 18656  		mem := v_2
 18657  		v.reset(OpSelect1)
 18658  		v0 := b.NewValue0(v.Pos, OpARM64LoweredAtomicOr8Variant, types.NewTuple(typ.UInt8, types.TypeMem))
 18659  		v0.AddArg3(ptr, val, mem)
 18660  		v.AddArg(v0)
 18661  		return true
 18662  	}
 18663  }
 18664  func rewriteValueARM64_OpAvg64u(v *Value) bool {
 18665  	v_1 := v.Args[1]
 18666  	v_0 := v.Args[0]
 18667  	b := v.Block
 18668  	// match: (Avg64u <t> x y)
 18669  	// result: (ADD (SRLconst <t> (SUB <t> x y) [1]) y)
 18670  	for {
 18671  		t := v.Type
 18672  		x := v_0
 18673  		y := v_1
 18674  		v.reset(OpARM64ADD)
 18675  		v0 := b.NewValue0(v.Pos, OpARM64SRLconst, t)
 18676  		v0.AuxInt = int64ToAuxInt(1)
 18677  		v1 := b.NewValue0(v.Pos, OpARM64SUB, t)
 18678  		v1.AddArg2(x, y)
 18679  		v0.AddArg(v1)
 18680  		v.AddArg2(v0, y)
 18681  		return true
 18682  	}
 18683  }
 18684  func rewriteValueARM64_OpBitLen32(v *Value) bool {
 18685  	v_0 := v.Args[0]
 18686  	b := v.Block
 18687  	typ := &b.Func.Config.Types
 18688  	// match: (BitLen32 x)
 18689  	// result: (SUB (MOVDconst [32]) (CLZW <typ.Int> x))
 18690  	for {
 18691  		x := v_0
 18692  		v.reset(OpARM64SUB)
 18693  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 18694  		v0.AuxInt = int64ToAuxInt(32)
 18695  		v1 := b.NewValue0(v.Pos, OpARM64CLZW, typ.Int)
 18696  		v1.AddArg(x)
 18697  		v.AddArg2(v0, v1)
 18698  		return true
 18699  	}
 18700  }
 18701  func rewriteValueARM64_OpBitLen64(v *Value) bool {
 18702  	v_0 := v.Args[0]
 18703  	b := v.Block
 18704  	typ := &b.Func.Config.Types
 18705  	// match: (BitLen64 x)
 18706  	// result: (SUB (MOVDconst [64]) (CLZ <typ.Int> x))
 18707  	for {
 18708  		x := v_0
 18709  		v.reset(OpARM64SUB)
 18710  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 18711  		v0.AuxInt = int64ToAuxInt(64)
 18712  		v1 := b.NewValue0(v.Pos, OpARM64CLZ, typ.Int)
 18713  		v1.AddArg(x)
 18714  		v.AddArg2(v0, v1)
 18715  		return true
 18716  	}
 18717  }
 18718  func rewriteValueARM64_OpBitRev16(v *Value) bool {
 18719  	v_0 := v.Args[0]
 18720  	b := v.Block
 18721  	typ := &b.Func.Config.Types
 18722  	// match: (BitRev16 x)
 18723  	// result: (SRLconst [48] (RBIT <typ.UInt64> x))
 18724  	for {
 18725  		x := v_0
 18726  		v.reset(OpARM64SRLconst)
 18727  		v.AuxInt = int64ToAuxInt(48)
 18728  		v0 := b.NewValue0(v.Pos, OpARM64RBIT, typ.UInt64)
 18729  		v0.AddArg(x)
 18730  		v.AddArg(v0)
 18731  		return true
 18732  	}
 18733  }
 18734  func rewriteValueARM64_OpBitRev8(v *Value) bool {
 18735  	v_0 := v.Args[0]
 18736  	b := v.Block
 18737  	typ := &b.Func.Config.Types
 18738  	// match: (BitRev8 x)
 18739  	// result: (SRLconst [56] (RBIT <typ.UInt64> x))
 18740  	for {
 18741  		x := v_0
 18742  		v.reset(OpARM64SRLconst)
 18743  		v.AuxInt = int64ToAuxInt(56)
 18744  		v0 := b.NewValue0(v.Pos, OpARM64RBIT, typ.UInt64)
 18745  		v0.AddArg(x)
 18746  		v.AddArg(v0)
 18747  		return true
 18748  	}
 18749  }
 18750  func rewriteValueARM64_OpCondSelect(v *Value) bool {
 18751  	v_2 := v.Args[2]
 18752  	v_1 := v.Args[1]
 18753  	v_0 := v.Args[0]
 18754  	b := v.Block
 18755  	// match: (CondSelect x y boolval)
 18756  	// cond: flagArg(boolval) != nil
 18757  	// result: (CSEL [boolval.Op] x y flagArg(boolval))
 18758  	for {
 18759  		x := v_0
 18760  		y := v_1
 18761  		boolval := v_2
 18762  		if !(flagArg(boolval) != nil) {
 18763  			break
 18764  		}
 18765  		v.reset(OpARM64CSEL)
 18766  		v.AuxInt = opToAuxInt(boolval.Op)
 18767  		v.AddArg3(x, y, flagArg(boolval))
 18768  		return true
 18769  	}
 18770  	// match: (CondSelect x y boolval)
 18771  	// cond: flagArg(boolval) == nil
 18772  	// result: (CSEL [OpARM64NotEqual] x y (TSTWconst [1] boolval))
 18773  	for {
 18774  		x := v_0
 18775  		y := v_1
 18776  		boolval := v_2
 18777  		if !(flagArg(boolval) == nil) {
 18778  			break
 18779  		}
 18780  		v.reset(OpARM64CSEL)
 18781  		v.AuxInt = opToAuxInt(OpARM64NotEqual)
 18782  		v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags)
 18783  		v0.AuxInt = int32ToAuxInt(1)
 18784  		v0.AddArg(boolval)
 18785  		v.AddArg3(x, y, v0)
 18786  		return true
 18787  	}
 18788  	return false
 18789  }
 18790  func rewriteValueARM64_OpConst16(v *Value) bool {
 18791  	// match: (Const16 [val])
 18792  	// result: (MOVDconst [int64(val)])
 18793  	for {
 18794  		val := auxIntToInt16(v.AuxInt)
 18795  		v.reset(OpARM64MOVDconst)
 18796  		v.AuxInt = int64ToAuxInt(int64(val))
 18797  		return true
 18798  	}
 18799  }
 18800  func rewriteValueARM64_OpConst32(v *Value) bool {
 18801  	// match: (Const32 [val])
 18802  	// result: (MOVDconst [int64(val)])
 18803  	for {
 18804  		val := auxIntToInt32(v.AuxInt)
 18805  		v.reset(OpARM64MOVDconst)
 18806  		v.AuxInt = int64ToAuxInt(int64(val))
 18807  		return true
 18808  	}
 18809  }
 18810  func rewriteValueARM64_OpConst32F(v *Value) bool {
 18811  	// match: (Const32F [val])
 18812  	// result: (FMOVSconst [float64(val)])
 18813  	for {
 18814  		val := auxIntToFloat32(v.AuxInt)
 18815  		v.reset(OpARM64FMOVSconst)
 18816  		v.AuxInt = float64ToAuxInt(float64(val))
 18817  		return true
 18818  	}
 18819  }
 18820  func rewriteValueARM64_OpConst64(v *Value) bool {
 18821  	// match: (Const64 [val])
 18822  	// result: (MOVDconst [int64(val)])
 18823  	for {
 18824  		val := auxIntToInt64(v.AuxInt)
 18825  		v.reset(OpARM64MOVDconst)
 18826  		v.AuxInt = int64ToAuxInt(int64(val))
 18827  		return true
 18828  	}
 18829  }
 18830  func rewriteValueARM64_OpConst64F(v *Value) bool {
 18831  	// match: (Const64F [val])
 18832  	// result: (FMOVDconst [float64(val)])
 18833  	for {
 18834  		val := auxIntToFloat64(v.AuxInt)
 18835  		v.reset(OpARM64FMOVDconst)
 18836  		v.AuxInt = float64ToAuxInt(float64(val))
 18837  		return true
 18838  	}
 18839  }
 18840  func rewriteValueARM64_OpConst8(v *Value) bool {
 18841  	// match: (Const8 [val])
 18842  	// result: (MOVDconst [int64(val)])
 18843  	for {
 18844  		val := auxIntToInt8(v.AuxInt)
 18845  		v.reset(OpARM64MOVDconst)
 18846  		v.AuxInt = int64ToAuxInt(int64(val))
 18847  		return true
 18848  	}
 18849  }
 18850  func rewriteValueARM64_OpConstBool(v *Value) bool {
 18851  	// match: (ConstBool [t])
 18852  	// result: (MOVDconst [b2i(t)])
 18853  	for {
 18854  		t := auxIntToBool(v.AuxInt)
 18855  		v.reset(OpARM64MOVDconst)
 18856  		v.AuxInt = int64ToAuxInt(b2i(t))
 18857  		return true
 18858  	}
 18859  }
 18860  func rewriteValueARM64_OpConstNil(v *Value) bool {
 18861  	// match: (ConstNil)
 18862  	// result: (MOVDconst [0])
 18863  	for {
 18864  		v.reset(OpARM64MOVDconst)
 18865  		v.AuxInt = int64ToAuxInt(0)
 18866  		return true
 18867  	}
 18868  }
 18869  func rewriteValueARM64_OpCtz16(v *Value) bool {
 18870  	v_0 := v.Args[0]
 18871  	b := v.Block
 18872  	typ := &b.Func.Config.Types
 18873  	// match: (Ctz16 <t> x)
 18874  	// result: (CLZW <t> (RBITW <typ.UInt32> (ORconst <typ.UInt32> [0x10000] x)))
 18875  	for {
 18876  		t := v.Type
 18877  		x := v_0
 18878  		v.reset(OpARM64CLZW)
 18879  		v.Type = t
 18880  		v0 := b.NewValue0(v.Pos, OpARM64RBITW, typ.UInt32)
 18881  		v1 := b.NewValue0(v.Pos, OpARM64ORconst, typ.UInt32)
 18882  		v1.AuxInt = int64ToAuxInt(0x10000)
 18883  		v1.AddArg(x)
 18884  		v0.AddArg(v1)
 18885  		v.AddArg(v0)
 18886  		return true
 18887  	}
 18888  }
 18889  func rewriteValueARM64_OpCtz32(v *Value) bool {
 18890  	v_0 := v.Args[0]
 18891  	b := v.Block
 18892  	// match: (Ctz32 <t> x)
 18893  	// result: (CLZW (RBITW <t> x))
 18894  	for {
 18895  		t := v.Type
 18896  		x := v_0
 18897  		v.reset(OpARM64CLZW)
 18898  		v0 := b.NewValue0(v.Pos, OpARM64RBITW, t)
 18899  		v0.AddArg(x)
 18900  		v.AddArg(v0)
 18901  		return true
 18902  	}
 18903  }
 18904  func rewriteValueARM64_OpCtz64(v *Value) bool {
 18905  	v_0 := v.Args[0]
 18906  	b := v.Block
 18907  	// match: (Ctz64 <t> x)
 18908  	// result: (CLZ (RBIT <t> x))
 18909  	for {
 18910  		t := v.Type
 18911  		x := v_0
 18912  		v.reset(OpARM64CLZ)
 18913  		v0 := b.NewValue0(v.Pos, OpARM64RBIT, t)
 18914  		v0.AddArg(x)
 18915  		v.AddArg(v0)
 18916  		return true
 18917  	}
 18918  }
 18919  func rewriteValueARM64_OpCtz8(v *Value) bool {
 18920  	v_0 := v.Args[0]
 18921  	b := v.Block
 18922  	typ := &b.Func.Config.Types
 18923  	// match: (Ctz8 <t> x)
 18924  	// result: (CLZW <t> (RBITW <typ.UInt32> (ORconst <typ.UInt32> [0x100] x)))
 18925  	for {
 18926  		t := v.Type
 18927  		x := v_0
 18928  		v.reset(OpARM64CLZW)
 18929  		v.Type = t
 18930  		v0 := b.NewValue0(v.Pos, OpARM64RBITW, typ.UInt32)
 18931  		v1 := b.NewValue0(v.Pos, OpARM64ORconst, typ.UInt32)
 18932  		v1.AuxInt = int64ToAuxInt(0x100)
 18933  		v1.AddArg(x)
 18934  		v0.AddArg(v1)
 18935  		v.AddArg(v0)
 18936  		return true
 18937  	}
 18938  }
 18939  func rewriteValueARM64_OpDiv16(v *Value) bool {
 18940  	v_1 := v.Args[1]
 18941  	v_0 := v.Args[0]
 18942  	b := v.Block
 18943  	typ := &b.Func.Config.Types
 18944  	// match: (Div16 [false] x y)
 18945  	// result: (DIVW (SignExt16to32 x) (SignExt16to32 y))
 18946  	for {
 18947  		if auxIntToBool(v.AuxInt) != false {
 18948  			break
 18949  		}
 18950  		x := v_0
 18951  		y := v_1
 18952  		v.reset(OpARM64DIVW)
 18953  		v0 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 18954  		v0.AddArg(x)
 18955  		v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 18956  		v1.AddArg(y)
 18957  		v.AddArg2(v0, v1)
 18958  		return true
 18959  	}
 18960  	return false
 18961  }
 18962  func rewriteValueARM64_OpDiv16u(v *Value) bool {
 18963  	v_1 := v.Args[1]
 18964  	v_0 := v.Args[0]
 18965  	b := v.Block
 18966  	typ := &b.Func.Config.Types
 18967  	// match: (Div16u x y)
 18968  	// result: (UDIVW (ZeroExt16to32 x) (ZeroExt16to32 y))
 18969  	for {
 18970  		x := v_0
 18971  		y := v_1
 18972  		v.reset(OpARM64UDIVW)
 18973  		v0 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 18974  		v0.AddArg(x)
 18975  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 18976  		v1.AddArg(y)
 18977  		v.AddArg2(v0, v1)
 18978  		return true
 18979  	}
 18980  }
 18981  func rewriteValueARM64_OpDiv32(v *Value) bool {
 18982  	v_1 := v.Args[1]
 18983  	v_0 := v.Args[0]
 18984  	// match: (Div32 [false] x y)
 18985  	// result: (DIVW x y)
 18986  	for {
 18987  		if auxIntToBool(v.AuxInt) != false {
 18988  			break
 18989  		}
 18990  		x := v_0
 18991  		y := v_1
 18992  		v.reset(OpARM64DIVW)
 18993  		v.AddArg2(x, y)
 18994  		return true
 18995  	}
 18996  	return false
 18997  }
 18998  func rewriteValueARM64_OpDiv64(v *Value) bool {
 18999  	v_1 := v.Args[1]
 19000  	v_0 := v.Args[0]
 19001  	// match: (Div64 [false] x y)
 19002  	// result: (DIV x y)
 19003  	for {
 19004  		if auxIntToBool(v.AuxInt) != false {
 19005  			break
 19006  		}
 19007  		x := v_0
 19008  		y := v_1
 19009  		v.reset(OpARM64DIV)
 19010  		v.AddArg2(x, y)
 19011  		return true
 19012  	}
 19013  	return false
 19014  }
 19015  func rewriteValueARM64_OpDiv8(v *Value) bool {
 19016  	v_1 := v.Args[1]
 19017  	v_0 := v.Args[0]
 19018  	b := v.Block
 19019  	typ := &b.Func.Config.Types
 19020  	// match: (Div8 x y)
 19021  	// result: (DIVW (SignExt8to32 x) (SignExt8to32 y))
 19022  	for {
 19023  		x := v_0
 19024  		y := v_1
 19025  		v.reset(OpARM64DIVW)
 19026  		v0 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 19027  		v0.AddArg(x)
 19028  		v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 19029  		v1.AddArg(y)
 19030  		v.AddArg2(v0, v1)
 19031  		return true
 19032  	}
 19033  }
 19034  func rewriteValueARM64_OpDiv8u(v *Value) bool {
 19035  	v_1 := v.Args[1]
 19036  	v_0 := v.Args[0]
 19037  	b := v.Block
 19038  	typ := &b.Func.Config.Types
 19039  	// match: (Div8u x y)
 19040  	// result: (UDIVW (ZeroExt8to32 x) (ZeroExt8to32 y))
 19041  	for {
 19042  		x := v_0
 19043  		y := v_1
 19044  		v.reset(OpARM64UDIVW)
 19045  		v0 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 19046  		v0.AddArg(x)
 19047  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 19048  		v1.AddArg(y)
 19049  		v.AddArg2(v0, v1)
 19050  		return true
 19051  	}
 19052  }
 19053  func rewriteValueARM64_OpEq16(v *Value) bool {
 19054  	v_1 := v.Args[1]
 19055  	v_0 := v.Args[0]
 19056  	b := v.Block
 19057  	typ := &b.Func.Config.Types
 19058  	// match: (Eq16 x y)
 19059  	// result: (Equal (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y)))
 19060  	for {
 19061  		x := v_0
 19062  		y := v_1
 19063  		v.reset(OpARM64Equal)
 19064  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 19065  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 19066  		v1.AddArg(x)
 19067  		v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 19068  		v2.AddArg(y)
 19069  		v0.AddArg2(v1, v2)
 19070  		v.AddArg(v0)
 19071  		return true
 19072  	}
 19073  }
 19074  func rewriteValueARM64_OpEq32(v *Value) bool {
 19075  	v_1 := v.Args[1]
 19076  	v_0 := v.Args[0]
 19077  	b := v.Block
 19078  	// match: (Eq32 x y)
 19079  	// result: (Equal (CMPW x y))
 19080  	for {
 19081  		x := v_0
 19082  		y := v_1
 19083  		v.reset(OpARM64Equal)
 19084  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 19085  		v0.AddArg2(x, y)
 19086  		v.AddArg(v0)
 19087  		return true
 19088  	}
 19089  }
 19090  func rewriteValueARM64_OpEq32F(v *Value) bool {
 19091  	v_1 := v.Args[1]
 19092  	v_0 := v.Args[0]
 19093  	b := v.Block
 19094  	// match: (Eq32F x y)
 19095  	// result: (Equal (FCMPS x y))
 19096  	for {
 19097  		x := v_0
 19098  		y := v_1
 19099  		v.reset(OpARM64Equal)
 19100  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags)
 19101  		v0.AddArg2(x, y)
 19102  		v.AddArg(v0)
 19103  		return true
 19104  	}
 19105  }
 19106  func rewriteValueARM64_OpEq64(v *Value) bool {
 19107  	v_1 := v.Args[1]
 19108  	v_0 := v.Args[0]
 19109  	b := v.Block
 19110  	// match: (Eq64 x y)
 19111  	// result: (Equal (CMP x y))
 19112  	for {
 19113  		x := v_0
 19114  		y := v_1
 19115  		v.reset(OpARM64Equal)
 19116  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 19117  		v0.AddArg2(x, y)
 19118  		v.AddArg(v0)
 19119  		return true
 19120  	}
 19121  }
 19122  func rewriteValueARM64_OpEq64F(v *Value) bool {
 19123  	v_1 := v.Args[1]
 19124  	v_0 := v.Args[0]
 19125  	b := v.Block
 19126  	// match: (Eq64F x y)
 19127  	// result: (Equal (FCMPD x y))
 19128  	for {
 19129  		x := v_0
 19130  		y := v_1
 19131  		v.reset(OpARM64Equal)
 19132  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags)
 19133  		v0.AddArg2(x, y)
 19134  		v.AddArg(v0)
 19135  		return true
 19136  	}
 19137  }
 19138  func rewriteValueARM64_OpEq8(v *Value) bool {
 19139  	v_1 := v.Args[1]
 19140  	v_0 := v.Args[0]
 19141  	b := v.Block
 19142  	typ := &b.Func.Config.Types
 19143  	// match: (Eq8 x y)
 19144  	// result: (Equal (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y)))
 19145  	for {
 19146  		x := v_0
 19147  		y := v_1
 19148  		v.reset(OpARM64Equal)
 19149  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 19150  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 19151  		v1.AddArg(x)
 19152  		v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 19153  		v2.AddArg(y)
 19154  		v0.AddArg2(v1, v2)
 19155  		v.AddArg(v0)
 19156  		return true
 19157  	}
 19158  }
 19159  func rewriteValueARM64_OpEqB(v *Value) bool {
 19160  	v_1 := v.Args[1]
 19161  	v_0 := v.Args[0]
 19162  	b := v.Block
 19163  	typ := &b.Func.Config.Types
 19164  	// match: (EqB x y)
 19165  	// result: (XOR (MOVDconst [1]) (XOR <typ.Bool> x y))
 19166  	for {
 19167  		x := v_0
 19168  		y := v_1
 19169  		v.reset(OpARM64XOR)
 19170  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 19171  		v0.AuxInt = int64ToAuxInt(1)
 19172  		v1 := b.NewValue0(v.Pos, OpARM64XOR, typ.Bool)
 19173  		v1.AddArg2(x, y)
 19174  		v.AddArg2(v0, v1)
 19175  		return true
 19176  	}
 19177  }
 19178  func rewriteValueARM64_OpEqPtr(v *Value) bool {
 19179  	v_1 := v.Args[1]
 19180  	v_0 := v.Args[0]
 19181  	b := v.Block
 19182  	// match: (EqPtr x y)
 19183  	// result: (Equal (CMP x y))
 19184  	for {
 19185  		x := v_0
 19186  		y := v_1
 19187  		v.reset(OpARM64Equal)
 19188  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 19189  		v0.AddArg2(x, y)
 19190  		v.AddArg(v0)
 19191  		return true
 19192  	}
 19193  }
 19194  func rewriteValueARM64_OpFMA(v *Value) bool {
 19195  	v_2 := v.Args[2]
 19196  	v_1 := v.Args[1]
 19197  	v_0 := v.Args[0]
 19198  	// match: (FMA x y z)
 19199  	// result: (FMADDD z x y)
 19200  	for {
 19201  		x := v_0
 19202  		y := v_1
 19203  		z := v_2
 19204  		v.reset(OpARM64FMADDD)
 19205  		v.AddArg3(z, x, y)
 19206  		return true
 19207  	}
 19208  }
 19209  func rewriteValueARM64_OpHmul32(v *Value) bool {
 19210  	v_1 := v.Args[1]
 19211  	v_0 := v.Args[0]
 19212  	b := v.Block
 19213  	typ := &b.Func.Config.Types
 19214  	// match: (Hmul32 x y)
 19215  	// result: (SRAconst (MULL <typ.Int64> x y) [32])
 19216  	for {
 19217  		x := v_0
 19218  		y := v_1
 19219  		v.reset(OpARM64SRAconst)
 19220  		v.AuxInt = int64ToAuxInt(32)
 19221  		v0 := b.NewValue0(v.Pos, OpARM64MULL, typ.Int64)
 19222  		v0.AddArg2(x, y)
 19223  		v.AddArg(v0)
 19224  		return true
 19225  	}
 19226  }
 19227  func rewriteValueARM64_OpHmul32u(v *Value) bool {
 19228  	v_1 := v.Args[1]
 19229  	v_0 := v.Args[0]
 19230  	b := v.Block
 19231  	typ := &b.Func.Config.Types
 19232  	// match: (Hmul32u x y)
 19233  	// result: (SRAconst (UMULL <typ.UInt64> x y) [32])
 19234  	for {
 19235  		x := v_0
 19236  		y := v_1
 19237  		v.reset(OpARM64SRAconst)
 19238  		v.AuxInt = int64ToAuxInt(32)
 19239  		v0 := b.NewValue0(v.Pos, OpARM64UMULL, typ.UInt64)
 19240  		v0.AddArg2(x, y)
 19241  		v.AddArg(v0)
 19242  		return true
 19243  	}
 19244  }
 19245  func rewriteValueARM64_OpIsInBounds(v *Value) bool {
 19246  	v_1 := v.Args[1]
 19247  	v_0 := v.Args[0]
 19248  	b := v.Block
 19249  	// match: (IsInBounds idx len)
 19250  	// result: (LessThanU (CMP idx len))
 19251  	for {
 19252  		idx := v_0
 19253  		len := v_1
 19254  		v.reset(OpARM64LessThanU)
 19255  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 19256  		v0.AddArg2(idx, len)
 19257  		v.AddArg(v0)
 19258  		return true
 19259  	}
 19260  }
 19261  func rewriteValueARM64_OpIsNonNil(v *Value) bool {
 19262  	v_0 := v.Args[0]
 19263  	b := v.Block
 19264  	// match: (IsNonNil ptr)
 19265  	// result: (NotEqual (CMPconst [0] ptr))
 19266  	for {
 19267  		ptr := v_0
 19268  		v.reset(OpARM64NotEqual)
 19269  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 19270  		v0.AuxInt = int64ToAuxInt(0)
 19271  		v0.AddArg(ptr)
 19272  		v.AddArg(v0)
 19273  		return true
 19274  	}
 19275  }
 19276  func rewriteValueARM64_OpIsSliceInBounds(v *Value) bool {
 19277  	v_1 := v.Args[1]
 19278  	v_0 := v.Args[0]
 19279  	b := v.Block
 19280  	// match: (IsSliceInBounds idx len)
 19281  	// result: (LessEqualU (CMP idx len))
 19282  	for {
 19283  		idx := v_0
 19284  		len := v_1
 19285  		v.reset(OpARM64LessEqualU)
 19286  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 19287  		v0.AddArg2(idx, len)
 19288  		v.AddArg(v0)
 19289  		return true
 19290  	}
 19291  }
 19292  func rewriteValueARM64_OpLeq16(v *Value) bool {
 19293  	v_1 := v.Args[1]
 19294  	v_0 := v.Args[0]
 19295  	b := v.Block
 19296  	typ := &b.Func.Config.Types
 19297  	// match: (Leq16 x y)
 19298  	// result: (LessEqual (CMPW (SignExt16to32 x) (SignExt16to32 y)))
 19299  	for {
 19300  		x := v_0
 19301  		y := v_1
 19302  		v.reset(OpARM64LessEqual)
 19303  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 19304  		v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 19305  		v1.AddArg(x)
 19306  		v2 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 19307  		v2.AddArg(y)
 19308  		v0.AddArg2(v1, v2)
 19309  		v.AddArg(v0)
 19310  		return true
 19311  	}
 19312  }
 19313  func rewriteValueARM64_OpLeq16U(v *Value) bool {
 19314  	v_1 := v.Args[1]
 19315  	v_0 := v.Args[0]
 19316  	b := v.Block
 19317  	typ := &b.Func.Config.Types
 19318  	// match: (Leq16U x zero:(MOVDconst [0]))
 19319  	// result: (Eq16 x zero)
 19320  	for {
 19321  		x := v_0
 19322  		zero := v_1
 19323  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 19324  			break
 19325  		}
 19326  		v.reset(OpEq16)
 19327  		v.AddArg2(x, zero)
 19328  		return true
 19329  	}
 19330  	// match: (Leq16U (MOVDconst [1]) x)
 19331  	// result: (Neq16 (MOVDconst [0]) x)
 19332  	for {
 19333  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 1 {
 19334  			break
 19335  		}
 19336  		x := v_1
 19337  		v.reset(OpNeq16)
 19338  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 19339  		v0.AuxInt = int64ToAuxInt(0)
 19340  		v.AddArg2(v0, x)
 19341  		return true
 19342  	}
 19343  	// match: (Leq16U x y)
 19344  	// result: (LessEqualU (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y)))
 19345  	for {
 19346  		x := v_0
 19347  		y := v_1
 19348  		v.reset(OpARM64LessEqualU)
 19349  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 19350  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 19351  		v1.AddArg(x)
 19352  		v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 19353  		v2.AddArg(y)
 19354  		v0.AddArg2(v1, v2)
 19355  		v.AddArg(v0)
 19356  		return true
 19357  	}
 19358  }
 19359  func rewriteValueARM64_OpLeq32(v *Value) bool {
 19360  	v_1 := v.Args[1]
 19361  	v_0 := v.Args[0]
 19362  	b := v.Block
 19363  	// match: (Leq32 x y)
 19364  	// result: (LessEqual (CMPW x y))
 19365  	for {
 19366  		x := v_0
 19367  		y := v_1
 19368  		v.reset(OpARM64LessEqual)
 19369  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 19370  		v0.AddArg2(x, y)
 19371  		v.AddArg(v0)
 19372  		return true
 19373  	}
 19374  }
 19375  func rewriteValueARM64_OpLeq32F(v *Value) bool {
 19376  	v_1 := v.Args[1]
 19377  	v_0 := v.Args[0]
 19378  	b := v.Block
 19379  	// match: (Leq32F x y)
 19380  	// result: (LessEqualF (FCMPS x y))
 19381  	for {
 19382  		x := v_0
 19383  		y := v_1
 19384  		v.reset(OpARM64LessEqualF)
 19385  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags)
 19386  		v0.AddArg2(x, y)
 19387  		v.AddArg(v0)
 19388  		return true
 19389  	}
 19390  }
 19391  func rewriteValueARM64_OpLeq32U(v *Value) bool {
 19392  	v_1 := v.Args[1]
 19393  	v_0 := v.Args[0]
 19394  	b := v.Block
 19395  	typ := &b.Func.Config.Types
 19396  	// match: (Leq32U x zero:(MOVDconst [0]))
 19397  	// result: (Eq32 x zero)
 19398  	for {
 19399  		x := v_0
 19400  		zero := v_1
 19401  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 19402  			break
 19403  		}
 19404  		v.reset(OpEq32)
 19405  		v.AddArg2(x, zero)
 19406  		return true
 19407  	}
 19408  	// match: (Leq32U (MOVDconst [1]) x)
 19409  	// result: (Neq32 (MOVDconst [0]) x)
 19410  	for {
 19411  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 1 {
 19412  			break
 19413  		}
 19414  		x := v_1
 19415  		v.reset(OpNeq32)
 19416  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 19417  		v0.AuxInt = int64ToAuxInt(0)
 19418  		v.AddArg2(v0, x)
 19419  		return true
 19420  	}
 19421  	// match: (Leq32U x y)
 19422  	// result: (LessEqualU (CMPW x y))
 19423  	for {
 19424  		x := v_0
 19425  		y := v_1
 19426  		v.reset(OpARM64LessEqualU)
 19427  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 19428  		v0.AddArg2(x, y)
 19429  		v.AddArg(v0)
 19430  		return true
 19431  	}
 19432  }
 19433  func rewriteValueARM64_OpLeq64(v *Value) bool {
 19434  	v_1 := v.Args[1]
 19435  	v_0 := v.Args[0]
 19436  	b := v.Block
 19437  	// match: (Leq64 x y)
 19438  	// result: (LessEqual (CMP x y))
 19439  	for {
 19440  		x := v_0
 19441  		y := v_1
 19442  		v.reset(OpARM64LessEqual)
 19443  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 19444  		v0.AddArg2(x, y)
 19445  		v.AddArg(v0)
 19446  		return true
 19447  	}
 19448  }
 19449  func rewriteValueARM64_OpLeq64F(v *Value) bool {
 19450  	v_1 := v.Args[1]
 19451  	v_0 := v.Args[0]
 19452  	b := v.Block
 19453  	// match: (Leq64F x y)
 19454  	// result: (LessEqualF (FCMPD x y))
 19455  	for {
 19456  		x := v_0
 19457  		y := v_1
 19458  		v.reset(OpARM64LessEqualF)
 19459  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags)
 19460  		v0.AddArg2(x, y)
 19461  		v.AddArg(v0)
 19462  		return true
 19463  	}
 19464  }
 19465  func rewriteValueARM64_OpLeq64U(v *Value) bool {
 19466  	v_1 := v.Args[1]
 19467  	v_0 := v.Args[0]
 19468  	b := v.Block
 19469  	typ := &b.Func.Config.Types
 19470  	// match: (Leq64U x zero:(MOVDconst [0]))
 19471  	// result: (Eq64 x zero)
 19472  	for {
 19473  		x := v_0
 19474  		zero := v_1
 19475  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 19476  			break
 19477  		}
 19478  		v.reset(OpEq64)
 19479  		v.AddArg2(x, zero)
 19480  		return true
 19481  	}
 19482  	// match: (Leq64U (MOVDconst [1]) x)
 19483  	// result: (Neq64 (MOVDconst [0]) x)
 19484  	for {
 19485  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 1 {
 19486  			break
 19487  		}
 19488  		x := v_1
 19489  		v.reset(OpNeq64)
 19490  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 19491  		v0.AuxInt = int64ToAuxInt(0)
 19492  		v.AddArg2(v0, x)
 19493  		return true
 19494  	}
 19495  	// match: (Leq64U x y)
 19496  	// result: (LessEqualU (CMP x y))
 19497  	for {
 19498  		x := v_0
 19499  		y := v_1
 19500  		v.reset(OpARM64LessEqualU)
 19501  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 19502  		v0.AddArg2(x, y)
 19503  		v.AddArg(v0)
 19504  		return true
 19505  	}
 19506  }
 19507  func rewriteValueARM64_OpLeq8(v *Value) bool {
 19508  	v_1 := v.Args[1]
 19509  	v_0 := v.Args[0]
 19510  	b := v.Block
 19511  	typ := &b.Func.Config.Types
 19512  	// match: (Leq8 x y)
 19513  	// result: (LessEqual (CMPW (SignExt8to32 x) (SignExt8to32 y)))
 19514  	for {
 19515  		x := v_0
 19516  		y := v_1
 19517  		v.reset(OpARM64LessEqual)
 19518  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 19519  		v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 19520  		v1.AddArg(x)
 19521  		v2 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 19522  		v2.AddArg(y)
 19523  		v0.AddArg2(v1, v2)
 19524  		v.AddArg(v0)
 19525  		return true
 19526  	}
 19527  }
 19528  func rewriteValueARM64_OpLeq8U(v *Value) bool {
 19529  	v_1 := v.Args[1]
 19530  	v_0 := v.Args[0]
 19531  	b := v.Block
 19532  	typ := &b.Func.Config.Types
 19533  	// match: (Leq8U x zero:(MOVDconst [0]))
 19534  	// result: (Eq8 x zero)
 19535  	for {
 19536  		x := v_0
 19537  		zero := v_1
 19538  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 19539  			break
 19540  		}
 19541  		v.reset(OpEq8)
 19542  		v.AddArg2(x, zero)
 19543  		return true
 19544  	}
 19545  	// match: (Leq8U (MOVDconst [1]) x)
 19546  	// result: (Neq8 (MOVDconst [0]) x)
 19547  	for {
 19548  		if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 1 {
 19549  			break
 19550  		}
 19551  		x := v_1
 19552  		v.reset(OpNeq8)
 19553  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 19554  		v0.AuxInt = int64ToAuxInt(0)
 19555  		v.AddArg2(v0, x)
 19556  		return true
 19557  	}
 19558  	// match: (Leq8U x y)
 19559  	// result: (LessEqualU (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y)))
 19560  	for {
 19561  		x := v_0
 19562  		y := v_1
 19563  		v.reset(OpARM64LessEqualU)
 19564  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 19565  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 19566  		v1.AddArg(x)
 19567  		v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 19568  		v2.AddArg(y)
 19569  		v0.AddArg2(v1, v2)
 19570  		v.AddArg(v0)
 19571  		return true
 19572  	}
 19573  }
 19574  func rewriteValueARM64_OpLess16(v *Value) bool {
 19575  	v_1 := v.Args[1]
 19576  	v_0 := v.Args[0]
 19577  	b := v.Block
 19578  	typ := &b.Func.Config.Types
 19579  	// match: (Less16 x y)
 19580  	// result: (LessThan (CMPW (SignExt16to32 x) (SignExt16to32 y)))
 19581  	for {
 19582  		x := v_0
 19583  		y := v_1
 19584  		v.reset(OpARM64LessThan)
 19585  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 19586  		v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 19587  		v1.AddArg(x)
 19588  		v2 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 19589  		v2.AddArg(y)
 19590  		v0.AddArg2(v1, v2)
 19591  		v.AddArg(v0)
 19592  		return true
 19593  	}
 19594  }
 19595  func rewriteValueARM64_OpLess16U(v *Value) bool {
 19596  	v_1 := v.Args[1]
 19597  	v_0 := v.Args[0]
 19598  	b := v.Block
 19599  	typ := &b.Func.Config.Types
 19600  	// match: (Less16U zero:(MOVDconst [0]) x)
 19601  	// result: (Neq16 zero x)
 19602  	for {
 19603  		zero := v_0
 19604  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 19605  			break
 19606  		}
 19607  		x := v_1
 19608  		v.reset(OpNeq16)
 19609  		v.AddArg2(zero, x)
 19610  		return true
 19611  	}
 19612  	// match: (Less16U x (MOVDconst [1]))
 19613  	// result: (Eq16 x (MOVDconst [0]))
 19614  	for {
 19615  		x := v_0
 19616  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 19617  			break
 19618  		}
 19619  		v.reset(OpEq16)
 19620  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 19621  		v0.AuxInt = int64ToAuxInt(0)
 19622  		v.AddArg2(x, v0)
 19623  		return true
 19624  	}
 19625  	// match: (Less16U x y)
 19626  	// result: (LessThanU (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y)))
 19627  	for {
 19628  		x := v_0
 19629  		y := v_1
 19630  		v.reset(OpARM64LessThanU)
 19631  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 19632  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 19633  		v1.AddArg(x)
 19634  		v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 19635  		v2.AddArg(y)
 19636  		v0.AddArg2(v1, v2)
 19637  		v.AddArg(v0)
 19638  		return true
 19639  	}
 19640  }
 19641  func rewriteValueARM64_OpLess32(v *Value) bool {
 19642  	v_1 := v.Args[1]
 19643  	v_0 := v.Args[0]
 19644  	b := v.Block
 19645  	// match: (Less32 x y)
 19646  	// result: (LessThan (CMPW x y))
 19647  	for {
 19648  		x := v_0
 19649  		y := v_1
 19650  		v.reset(OpARM64LessThan)
 19651  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 19652  		v0.AddArg2(x, y)
 19653  		v.AddArg(v0)
 19654  		return true
 19655  	}
 19656  }
 19657  func rewriteValueARM64_OpLess32F(v *Value) bool {
 19658  	v_1 := v.Args[1]
 19659  	v_0 := v.Args[0]
 19660  	b := v.Block
 19661  	// match: (Less32F x y)
 19662  	// result: (LessThanF (FCMPS x y))
 19663  	for {
 19664  		x := v_0
 19665  		y := v_1
 19666  		v.reset(OpARM64LessThanF)
 19667  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags)
 19668  		v0.AddArg2(x, y)
 19669  		v.AddArg(v0)
 19670  		return true
 19671  	}
 19672  }
 19673  func rewriteValueARM64_OpLess32U(v *Value) bool {
 19674  	v_1 := v.Args[1]
 19675  	v_0 := v.Args[0]
 19676  	b := v.Block
 19677  	typ := &b.Func.Config.Types
 19678  	// match: (Less32U zero:(MOVDconst [0]) x)
 19679  	// result: (Neq32 zero x)
 19680  	for {
 19681  		zero := v_0
 19682  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 19683  			break
 19684  		}
 19685  		x := v_1
 19686  		v.reset(OpNeq32)
 19687  		v.AddArg2(zero, x)
 19688  		return true
 19689  	}
 19690  	// match: (Less32U x (MOVDconst [1]))
 19691  	// result: (Eq32 x (MOVDconst [0]))
 19692  	for {
 19693  		x := v_0
 19694  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 19695  			break
 19696  		}
 19697  		v.reset(OpEq32)
 19698  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 19699  		v0.AuxInt = int64ToAuxInt(0)
 19700  		v.AddArg2(x, v0)
 19701  		return true
 19702  	}
 19703  	// match: (Less32U x y)
 19704  	// result: (LessThanU (CMPW x y))
 19705  	for {
 19706  		x := v_0
 19707  		y := v_1
 19708  		v.reset(OpARM64LessThanU)
 19709  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 19710  		v0.AddArg2(x, y)
 19711  		v.AddArg(v0)
 19712  		return true
 19713  	}
 19714  }
 19715  func rewriteValueARM64_OpLess64(v *Value) bool {
 19716  	v_1 := v.Args[1]
 19717  	v_0 := v.Args[0]
 19718  	b := v.Block
 19719  	// match: (Less64 x y)
 19720  	// result: (LessThan (CMP x y))
 19721  	for {
 19722  		x := v_0
 19723  		y := v_1
 19724  		v.reset(OpARM64LessThan)
 19725  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 19726  		v0.AddArg2(x, y)
 19727  		v.AddArg(v0)
 19728  		return true
 19729  	}
 19730  }
 19731  func rewriteValueARM64_OpLess64F(v *Value) bool {
 19732  	v_1 := v.Args[1]
 19733  	v_0 := v.Args[0]
 19734  	b := v.Block
 19735  	// match: (Less64F x y)
 19736  	// result: (LessThanF (FCMPD x y))
 19737  	for {
 19738  		x := v_0
 19739  		y := v_1
 19740  		v.reset(OpARM64LessThanF)
 19741  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags)
 19742  		v0.AddArg2(x, y)
 19743  		v.AddArg(v0)
 19744  		return true
 19745  	}
 19746  }
 19747  func rewriteValueARM64_OpLess64U(v *Value) bool {
 19748  	v_1 := v.Args[1]
 19749  	v_0 := v.Args[0]
 19750  	b := v.Block
 19751  	typ := &b.Func.Config.Types
 19752  	// match: (Less64U zero:(MOVDconst [0]) x)
 19753  	// result: (Neq64 zero x)
 19754  	for {
 19755  		zero := v_0
 19756  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 19757  			break
 19758  		}
 19759  		x := v_1
 19760  		v.reset(OpNeq64)
 19761  		v.AddArg2(zero, x)
 19762  		return true
 19763  	}
 19764  	// match: (Less64U x (MOVDconst [1]))
 19765  	// result: (Eq64 x (MOVDconst [0]))
 19766  	for {
 19767  		x := v_0
 19768  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 19769  			break
 19770  		}
 19771  		v.reset(OpEq64)
 19772  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 19773  		v0.AuxInt = int64ToAuxInt(0)
 19774  		v.AddArg2(x, v0)
 19775  		return true
 19776  	}
 19777  	// match: (Less64U x y)
 19778  	// result: (LessThanU (CMP x y))
 19779  	for {
 19780  		x := v_0
 19781  		y := v_1
 19782  		v.reset(OpARM64LessThanU)
 19783  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 19784  		v0.AddArg2(x, y)
 19785  		v.AddArg(v0)
 19786  		return true
 19787  	}
 19788  }
 19789  func rewriteValueARM64_OpLess8(v *Value) bool {
 19790  	v_1 := v.Args[1]
 19791  	v_0 := v.Args[0]
 19792  	b := v.Block
 19793  	typ := &b.Func.Config.Types
 19794  	// match: (Less8 x y)
 19795  	// result: (LessThan (CMPW (SignExt8to32 x) (SignExt8to32 y)))
 19796  	for {
 19797  		x := v_0
 19798  		y := v_1
 19799  		v.reset(OpARM64LessThan)
 19800  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 19801  		v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 19802  		v1.AddArg(x)
 19803  		v2 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 19804  		v2.AddArg(y)
 19805  		v0.AddArg2(v1, v2)
 19806  		v.AddArg(v0)
 19807  		return true
 19808  	}
 19809  }
 19810  func rewriteValueARM64_OpLess8U(v *Value) bool {
 19811  	v_1 := v.Args[1]
 19812  	v_0 := v.Args[0]
 19813  	b := v.Block
 19814  	typ := &b.Func.Config.Types
 19815  	// match: (Less8U zero:(MOVDconst [0]) x)
 19816  	// result: (Neq8 zero x)
 19817  	for {
 19818  		zero := v_0
 19819  		if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 {
 19820  			break
 19821  		}
 19822  		x := v_1
 19823  		v.reset(OpNeq8)
 19824  		v.AddArg2(zero, x)
 19825  		return true
 19826  	}
 19827  	// match: (Less8U x (MOVDconst [1]))
 19828  	// result: (Eq8 x (MOVDconst [0]))
 19829  	for {
 19830  		x := v_0
 19831  		if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 {
 19832  			break
 19833  		}
 19834  		v.reset(OpEq8)
 19835  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 19836  		v0.AuxInt = int64ToAuxInt(0)
 19837  		v.AddArg2(x, v0)
 19838  		return true
 19839  	}
 19840  	// match: (Less8U x y)
 19841  	// result: (LessThanU (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y)))
 19842  	for {
 19843  		x := v_0
 19844  		y := v_1
 19845  		v.reset(OpARM64LessThanU)
 19846  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 19847  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 19848  		v1.AddArg(x)
 19849  		v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 19850  		v2.AddArg(y)
 19851  		v0.AddArg2(v1, v2)
 19852  		v.AddArg(v0)
 19853  		return true
 19854  	}
 19855  }
 19856  func rewriteValueARM64_OpLoad(v *Value) bool {
 19857  	v_1 := v.Args[1]
 19858  	v_0 := v.Args[0]
 19859  	// match: (Load <t> ptr mem)
 19860  	// cond: t.IsBoolean()
 19861  	// result: (MOVBUload ptr mem)
 19862  	for {
 19863  		t := v.Type
 19864  		ptr := v_0
 19865  		mem := v_1
 19866  		if !(t.IsBoolean()) {
 19867  			break
 19868  		}
 19869  		v.reset(OpARM64MOVBUload)
 19870  		v.AddArg2(ptr, mem)
 19871  		return true
 19872  	}
 19873  	// match: (Load <t> ptr mem)
 19874  	// cond: (is8BitInt(t) && t.IsSigned())
 19875  	// result: (MOVBload ptr mem)
 19876  	for {
 19877  		t := v.Type
 19878  		ptr := v_0
 19879  		mem := v_1
 19880  		if !(is8BitInt(t) && t.IsSigned()) {
 19881  			break
 19882  		}
 19883  		v.reset(OpARM64MOVBload)
 19884  		v.AddArg2(ptr, mem)
 19885  		return true
 19886  	}
 19887  	// match: (Load <t> ptr mem)
 19888  	// cond: (is8BitInt(t) && !t.IsSigned())
 19889  	// result: (MOVBUload ptr mem)
 19890  	for {
 19891  		t := v.Type
 19892  		ptr := v_0
 19893  		mem := v_1
 19894  		if !(is8BitInt(t) && !t.IsSigned()) {
 19895  			break
 19896  		}
 19897  		v.reset(OpARM64MOVBUload)
 19898  		v.AddArg2(ptr, mem)
 19899  		return true
 19900  	}
 19901  	// match: (Load <t> ptr mem)
 19902  	// cond: (is16BitInt(t) && t.IsSigned())
 19903  	// result: (MOVHload ptr mem)
 19904  	for {
 19905  		t := v.Type
 19906  		ptr := v_0
 19907  		mem := v_1
 19908  		if !(is16BitInt(t) && t.IsSigned()) {
 19909  			break
 19910  		}
 19911  		v.reset(OpARM64MOVHload)
 19912  		v.AddArg2(ptr, mem)
 19913  		return true
 19914  	}
 19915  	// match: (Load <t> ptr mem)
 19916  	// cond: (is16BitInt(t) && !t.IsSigned())
 19917  	// result: (MOVHUload ptr mem)
 19918  	for {
 19919  		t := v.Type
 19920  		ptr := v_0
 19921  		mem := v_1
 19922  		if !(is16BitInt(t) && !t.IsSigned()) {
 19923  			break
 19924  		}
 19925  		v.reset(OpARM64MOVHUload)
 19926  		v.AddArg2(ptr, mem)
 19927  		return true
 19928  	}
 19929  	// match: (Load <t> ptr mem)
 19930  	// cond: (is32BitInt(t) && t.IsSigned())
 19931  	// result: (MOVWload ptr mem)
 19932  	for {
 19933  		t := v.Type
 19934  		ptr := v_0
 19935  		mem := v_1
 19936  		if !(is32BitInt(t) && t.IsSigned()) {
 19937  			break
 19938  		}
 19939  		v.reset(OpARM64MOVWload)
 19940  		v.AddArg2(ptr, mem)
 19941  		return true
 19942  	}
 19943  	// match: (Load <t> ptr mem)
 19944  	// cond: (is32BitInt(t) && !t.IsSigned())
 19945  	// result: (MOVWUload ptr mem)
 19946  	for {
 19947  		t := v.Type
 19948  		ptr := v_0
 19949  		mem := v_1
 19950  		if !(is32BitInt(t) && !t.IsSigned()) {
 19951  			break
 19952  		}
 19953  		v.reset(OpARM64MOVWUload)
 19954  		v.AddArg2(ptr, mem)
 19955  		return true
 19956  	}
 19957  	// match: (Load <t> ptr mem)
 19958  	// cond: (is64BitInt(t) || isPtr(t))
 19959  	// result: (MOVDload ptr mem)
 19960  	for {
 19961  		t := v.Type
 19962  		ptr := v_0
 19963  		mem := v_1
 19964  		if !(is64BitInt(t) || isPtr(t)) {
 19965  			break
 19966  		}
 19967  		v.reset(OpARM64MOVDload)
 19968  		v.AddArg2(ptr, mem)
 19969  		return true
 19970  	}
 19971  	// match: (Load <t> ptr mem)
 19972  	// cond: is32BitFloat(t)
 19973  	// result: (FMOVSload ptr mem)
 19974  	for {
 19975  		t := v.Type
 19976  		ptr := v_0
 19977  		mem := v_1
 19978  		if !(is32BitFloat(t)) {
 19979  			break
 19980  		}
 19981  		v.reset(OpARM64FMOVSload)
 19982  		v.AddArg2(ptr, mem)
 19983  		return true
 19984  	}
 19985  	// match: (Load <t> ptr mem)
 19986  	// cond: is64BitFloat(t)
 19987  	// result: (FMOVDload ptr mem)
 19988  	for {
 19989  		t := v.Type
 19990  		ptr := v_0
 19991  		mem := v_1
 19992  		if !(is64BitFloat(t)) {
 19993  			break
 19994  		}
 19995  		v.reset(OpARM64FMOVDload)
 19996  		v.AddArg2(ptr, mem)
 19997  		return true
 19998  	}
 19999  	return false
 20000  }
 20001  func rewriteValueARM64_OpLocalAddr(v *Value) bool {
 20002  	v_1 := v.Args[1]
 20003  	v_0 := v.Args[0]
 20004  	b := v.Block
 20005  	typ := &b.Func.Config.Types
 20006  	// match: (LocalAddr <t> {sym} base mem)
 20007  	// cond: t.Elem().HasPointers()
 20008  	// result: (MOVDaddr {sym} (SPanchored base mem))
 20009  	for {
 20010  		t := v.Type
 20011  		sym := auxToSym(v.Aux)
 20012  		base := v_0
 20013  		mem := v_1
 20014  		if !(t.Elem().HasPointers()) {
 20015  			break
 20016  		}
 20017  		v.reset(OpARM64MOVDaddr)
 20018  		v.Aux = symToAux(sym)
 20019  		v0 := b.NewValue0(v.Pos, OpSPanchored, typ.Uintptr)
 20020  		v0.AddArg2(base, mem)
 20021  		v.AddArg(v0)
 20022  		return true
 20023  	}
 20024  	// match: (LocalAddr <t> {sym} base _)
 20025  	// cond: !t.Elem().HasPointers()
 20026  	// result: (MOVDaddr {sym} base)
 20027  	for {
 20028  		t := v.Type
 20029  		sym := auxToSym(v.Aux)
 20030  		base := v_0
 20031  		if !(!t.Elem().HasPointers()) {
 20032  			break
 20033  		}
 20034  		v.reset(OpARM64MOVDaddr)
 20035  		v.Aux = symToAux(sym)
 20036  		v.AddArg(base)
 20037  		return true
 20038  	}
 20039  	return false
 20040  }
 20041  func rewriteValueARM64_OpLsh16x16(v *Value) bool {
 20042  	v_1 := v.Args[1]
 20043  	v_0 := v.Args[0]
 20044  	b := v.Block
 20045  	typ := &b.Func.Config.Types
 20046  	// match: (Lsh16x16 <t> x y)
 20047  	// cond: shiftIsBounded(v)
 20048  	// result: (SLL <t> x y)
 20049  	for {
 20050  		t := v.Type
 20051  		x := v_0
 20052  		y := v_1
 20053  		if !(shiftIsBounded(v)) {
 20054  			break
 20055  		}
 20056  		v.reset(OpARM64SLL)
 20057  		v.Type = t
 20058  		v.AddArg2(x, y)
 20059  		return true
 20060  	}
 20061  	// match: (Lsh16x16 <t> x y)
 20062  	// cond: !shiftIsBounded(v)
 20063  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y)))
 20064  	for {
 20065  		t := v.Type
 20066  		x := v_0
 20067  		y := v_1
 20068  		if !(!shiftIsBounded(v)) {
 20069  			break
 20070  		}
 20071  		v.reset(OpARM64CSEL)
 20072  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 20073  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 20074  		v0.AddArg2(x, y)
 20075  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 20076  		v1.AuxInt = int64ToAuxInt(0)
 20077  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 20078  		v2.AuxInt = int64ToAuxInt(64)
 20079  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 20080  		v3.AddArg(y)
 20081  		v2.AddArg(v3)
 20082  		v.AddArg3(v0, v1, v2)
 20083  		return true
 20084  	}
 20085  	return false
 20086  }
 20087  func rewriteValueARM64_OpLsh16x32(v *Value) bool {
 20088  	v_1 := v.Args[1]
 20089  	v_0 := v.Args[0]
 20090  	b := v.Block
 20091  	typ := &b.Func.Config.Types
 20092  	// match: (Lsh16x32 <t> x y)
 20093  	// cond: shiftIsBounded(v)
 20094  	// result: (SLL <t> x y)
 20095  	for {
 20096  		t := v.Type
 20097  		x := v_0
 20098  		y := v_1
 20099  		if !(shiftIsBounded(v)) {
 20100  			break
 20101  		}
 20102  		v.reset(OpARM64SLL)
 20103  		v.Type = t
 20104  		v.AddArg2(x, y)
 20105  		return true
 20106  	}
 20107  	// match: (Lsh16x32 <t> x y)
 20108  	// cond: !shiftIsBounded(v)
 20109  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y)))
 20110  	for {
 20111  		t := v.Type
 20112  		x := v_0
 20113  		y := v_1
 20114  		if !(!shiftIsBounded(v)) {
 20115  			break
 20116  		}
 20117  		v.reset(OpARM64CSEL)
 20118  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 20119  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 20120  		v0.AddArg2(x, y)
 20121  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 20122  		v1.AuxInt = int64ToAuxInt(0)
 20123  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 20124  		v2.AuxInt = int64ToAuxInt(64)
 20125  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 20126  		v3.AddArg(y)
 20127  		v2.AddArg(v3)
 20128  		v.AddArg3(v0, v1, v2)
 20129  		return true
 20130  	}
 20131  	return false
 20132  }
 20133  func rewriteValueARM64_OpLsh16x64(v *Value) bool {
 20134  	v_1 := v.Args[1]
 20135  	v_0 := v.Args[0]
 20136  	b := v.Block
 20137  	// match: (Lsh16x64 <t> x y)
 20138  	// cond: shiftIsBounded(v)
 20139  	// result: (SLL <t> x y)
 20140  	for {
 20141  		t := v.Type
 20142  		x := v_0
 20143  		y := v_1
 20144  		if !(shiftIsBounded(v)) {
 20145  			break
 20146  		}
 20147  		v.reset(OpARM64SLL)
 20148  		v.Type = t
 20149  		v.AddArg2(x, y)
 20150  		return true
 20151  	}
 20152  	// match: (Lsh16x64 <t> x y)
 20153  	// cond: !shiftIsBounded(v)
 20154  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] y))
 20155  	for {
 20156  		t := v.Type
 20157  		x := v_0
 20158  		y := v_1
 20159  		if !(!shiftIsBounded(v)) {
 20160  			break
 20161  		}
 20162  		v.reset(OpARM64CSEL)
 20163  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 20164  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 20165  		v0.AddArg2(x, y)
 20166  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 20167  		v1.AuxInt = int64ToAuxInt(0)
 20168  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 20169  		v2.AuxInt = int64ToAuxInt(64)
 20170  		v2.AddArg(y)
 20171  		v.AddArg3(v0, v1, v2)
 20172  		return true
 20173  	}
 20174  	return false
 20175  }
 20176  func rewriteValueARM64_OpLsh16x8(v *Value) bool {
 20177  	v_1 := v.Args[1]
 20178  	v_0 := v.Args[0]
 20179  	b := v.Block
 20180  	typ := &b.Func.Config.Types
 20181  	// match: (Lsh16x8 <t> x y)
 20182  	// cond: shiftIsBounded(v)
 20183  	// result: (SLL <t> x y)
 20184  	for {
 20185  		t := v.Type
 20186  		x := v_0
 20187  		y := v_1
 20188  		if !(shiftIsBounded(v)) {
 20189  			break
 20190  		}
 20191  		v.reset(OpARM64SLL)
 20192  		v.Type = t
 20193  		v.AddArg2(x, y)
 20194  		return true
 20195  	}
 20196  	// match: (Lsh16x8 <t> x y)
 20197  	// cond: !shiftIsBounded(v)
 20198  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y)))
 20199  	for {
 20200  		t := v.Type
 20201  		x := v_0
 20202  		y := v_1
 20203  		if !(!shiftIsBounded(v)) {
 20204  			break
 20205  		}
 20206  		v.reset(OpARM64CSEL)
 20207  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 20208  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 20209  		v0.AddArg2(x, y)
 20210  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 20211  		v1.AuxInt = int64ToAuxInt(0)
 20212  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 20213  		v2.AuxInt = int64ToAuxInt(64)
 20214  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 20215  		v3.AddArg(y)
 20216  		v2.AddArg(v3)
 20217  		v.AddArg3(v0, v1, v2)
 20218  		return true
 20219  	}
 20220  	return false
 20221  }
 20222  func rewriteValueARM64_OpLsh32x16(v *Value) bool {
 20223  	v_1 := v.Args[1]
 20224  	v_0 := v.Args[0]
 20225  	b := v.Block
 20226  	typ := &b.Func.Config.Types
 20227  	// match: (Lsh32x16 <t> x y)
 20228  	// cond: shiftIsBounded(v)
 20229  	// result: (SLL <t> x y)
 20230  	for {
 20231  		t := v.Type
 20232  		x := v_0
 20233  		y := v_1
 20234  		if !(shiftIsBounded(v)) {
 20235  			break
 20236  		}
 20237  		v.reset(OpARM64SLL)
 20238  		v.Type = t
 20239  		v.AddArg2(x, y)
 20240  		return true
 20241  	}
 20242  	// match: (Lsh32x16 <t> x y)
 20243  	// cond: !shiftIsBounded(v)
 20244  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y)))
 20245  	for {
 20246  		t := v.Type
 20247  		x := v_0
 20248  		y := v_1
 20249  		if !(!shiftIsBounded(v)) {
 20250  			break
 20251  		}
 20252  		v.reset(OpARM64CSEL)
 20253  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 20254  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 20255  		v0.AddArg2(x, y)
 20256  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 20257  		v1.AuxInt = int64ToAuxInt(0)
 20258  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 20259  		v2.AuxInt = int64ToAuxInt(64)
 20260  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 20261  		v3.AddArg(y)
 20262  		v2.AddArg(v3)
 20263  		v.AddArg3(v0, v1, v2)
 20264  		return true
 20265  	}
 20266  	return false
 20267  }
 20268  func rewriteValueARM64_OpLsh32x32(v *Value) bool {
 20269  	v_1 := v.Args[1]
 20270  	v_0 := v.Args[0]
 20271  	b := v.Block
 20272  	typ := &b.Func.Config.Types
 20273  	// match: (Lsh32x32 <t> x y)
 20274  	// cond: shiftIsBounded(v)
 20275  	// result: (SLL <t> x y)
 20276  	for {
 20277  		t := v.Type
 20278  		x := v_0
 20279  		y := v_1
 20280  		if !(shiftIsBounded(v)) {
 20281  			break
 20282  		}
 20283  		v.reset(OpARM64SLL)
 20284  		v.Type = t
 20285  		v.AddArg2(x, y)
 20286  		return true
 20287  	}
 20288  	// match: (Lsh32x32 <t> x y)
 20289  	// cond: !shiftIsBounded(v)
 20290  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y)))
 20291  	for {
 20292  		t := v.Type
 20293  		x := v_0
 20294  		y := v_1
 20295  		if !(!shiftIsBounded(v)) {
 20296  			break
 20297  		}
 20298  		v.reset(OpARM64CSEL)
 20299  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 20300  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 20301  		v0.AddArg2(x, y)
 20302  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 20303  		v1.AuxInt = int64ToAuxInt(0)
 20304  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 20305  		v2.AuxInt = int64ToAuxInt(64)
 20306  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 20307  		v3.AddArg(y)
 20308  		v2.AddArg(v3)
 20309  		v.AddArg3(v0, v1, v2)
 20310  		return true
 20311  	}
 20312  	return false
 20313  }
 20314  func rewriteValueARM64_OpLsh32x64(v *Value) bool {
 20315  	v_1 := v.Args[1]
 20316  	v_0 := v.Args[0]
 20317  	b := v.Block
 20318  	// match: (Lsh32x64 <t> x y)
 20319  	// cond: shiftIsBounded(v)
 20320  	// result: (SLL <t> x y)
 20321  	for {
 20322  		t := v.Type
 20323  		x := v_0
 20324  		y := v_1
 20325  		if !(shiftIsBounded(v)) {
 20326  			break
 20327  		}
 20328  		v.reset(OpARM64SLL)
 20329  		v.Type = t
 20330  		v.AddArg2(x, y)
 20331  		return true
 20332  	}
 20333  	// match: (Lsh32x64 <t> x y)
 20334  	// cond: !shiftIsBounded(v)
 20335  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] y))
 20336  	for {
 20337  		t := v.Type
 20338  		x := v_0
 20339  		y := v_1
 20340  		if !(!shiftIsBounded(v)) {
 20341  			break
 20342  		}
 20343  		v.reset(OpARM64CSEL)
 20344  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 20345  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 20346  		v0.AddArg2(x, y)
 20347  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 20348  		v1.AuxInt = int64ToAuxInt(0)
 20349  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 20350  		v2.AuxInt = int64ToAuxInt(64)
 20351  		v2.AddArg(y)
 20352  		v.AddArg3(v0, v1, v2)
 20353  		return true
 20354  	}
 20355  	return false
 20356  }
 20357  func rewriteValueARM64_OpLsh32x8(v *Value) bool {
 20358  	v_1 := v.Args[1]
 20359  	v_0 := v.Args[0]
 20360  	b := v.Block
 20361  	typ := &b.Func.Config.Types
 20362  	// match: (Lsh32x8 <t> x y)
 20363  	// cond: shiftIsBounded(v)
 20364  	// result: (SLL <t> x y)
 20365  	for {
 20366  		t := v.Type
 20367  		x := v_0
 20368  		y := v_1
 20369  		if !(shiftIsBounded(v)) {
 20370  			break
 20371  		}
 20372  		v.reset(OpARM64SLL)
 20373  		v.Type = t
 20374  		v.AddArg2(x, y)
 20375  		return true
 20376  	}
 20377  	// match: (Lsh32x8 <t> x y)
 20378  	// cond: !shiftIsBounded(v)
 20379  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y)))
 20380  	for {
 20381  		t := v.Type
 20382  		x := v_0
 20383  		y := v_1
 20384  		if !(!shiftIsBounded(v)) {
 20385  			break
 20386  		}
 20387  		v.reset(OpARM64CSEL)
 20388  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 20389  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 20390  		v0.AddArg2(x, y)
 20391  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 20392  		v1.AuxInt = int64ToAuxInt(0)
 20393  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 20394  		v2.AuxInt = int64ToAuxInt(64)
 20395  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 20396  		v3.AddArg(y)
 20397  		v2.AddArg(v3)
 20398  		v.AddArg3(v0, v1, v2)
 20399  		return true
 20400  	}
 20401  	return false
 20402  }
 20403  func rewriteValueARM64_OpLsh64x16(v *Value) bool {
 20404  	v_1 := v.Args[1]
 20405  	v_0 := v.Args[0]
 20406  	b := v.Block
 20407  	typ := &b.Func.Config.Types
 20408  	// match: (Lsh64x16 <t> x y)
 20409  	// cond: shiftIsBounded(v)
 20410  	// result: (SLL <t> x y)
 20411  	for {
 20412  		t := v.Type
 20413  		x := v_0
 20414  		y := v_1
 20415  		if !(shiftIsBounded(v)) {
 20416  			break
 20417  		}
 20418  		v.reset(OpARM64SLL)
 20419  		v.Type = t
 20420  		v.AddArg2(x, y)
 20421  		return true
 20422  	}
 20423  	// match: (Lsh64x16 <t> x y)
 20424  	// cond: !shiftIsBounded(v)
 20425  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y)))
 20426  	for {
 20427  		t := v.Type
 20428  		x := v_0
 20429  		y := v_1
 20430  		if !(!shiftIsBounded(v)) {
 20431  			break
 20432  		}
 20433  		v.reset(OpARM64CSEL)
 20434  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 20435  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 20436  		v0.AddArg2(x, y)
 20437  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 20438  		v1.AuxInt = int64ToAuxInt(0)
 20439  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 20440  		v2.AuxInt = int64ToAuxInt(64)
 20441  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 20442  		v3.AddArg(y)
 20443  		v2.AddArg(v3)
 20444  		v.AddArg3(v0, v1, v2)
 20445  		return true
 20446  	}
 20447  	return false
 20448  }
 20449  func rewriteValueARM64_OpLsh64x32(v *Value) bool {
 20450  	v_1 := v.Args[1]
 20451  	v_0 := v.Args[0]
 20452  	b := v.Block
 20453  	typ := &b.Func.Config.Types
 20454  	// match: (Lsh64x32 <t> x y)
 20455  	// cond: shiftIsBounded(v)
 20456  	// result: (SLL <t> x y)
 20457  	for {
 20458  		t := v.Type
 20459  		x := v_0
 20460  		y := v_1
 20461  		if !(shiftIsBounded(v)) {
 20462  			break
 20463  		}
 20464  		v.reset(OpARM64SLL)
 20465  		v.Type = t
 20466  		v.AddArg2(x, y)
 20467  		return true
 20468  	}
 20469  	// match: (Lsh64x32 <t> x y)
 20470  	// cond: !shiftIsBounded(v)
 20471  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y)))
 20472  	for {
 20473  		t := v.Type
 20474  		x := v_0
 20475  		y := v_1
 20476  		if !(!shiftIsBounded(v)) {
 20477  			break
 20478  		}
 20479  		v.reset(OpARM64CSEL)
 20480  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 20481  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 20482  		v0.AddArg2(x, y)
 20483  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 20484  		v1.AuxInt = int64ToAuxInt(0)
 20485  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 20486  		v2.AuxInt = int64ToAuxInt(64)
 20487  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 20488  		v3.AddArg(y)
 20489  		v2.AddArg(v3)
 20490  		v.AddArg3(v0, v1, v2)
 20491  		return true
 20492  	}
 20493  	return false
 20494  }
 20495  func rewriteValueARM64_OpLsh64x64(v *Value) bool {
 20496  	v_1 := v.Args[1]
 20497  	v_0 := v.Args[0]
 20498  	b := v.Block
 20499  	// match: (Lsh64x64 <t> x y)
 20500  	// cond: shiftIsBounded(v)
 20501  	// result: (SLL <t> x y)
 20502  	for {
 20503  		t := v.Type
 20504  		x := v_0
 20505  		y := v_1
 20506  		if !(shiftIsBounded(v)) {
 20507  			break
 20508  		}
 20509  		v.reset(OpARM64SLL)
 20510  		v.Type = t
 20511  		v.AddArg2(x, y)
 20512  		return true
 20513  	}
 20514  	// match: (Lsh64x64 <t> x y)
 20515  	// cond: !shiftIsBounded(v)
 20516  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] y))
 20517  	for {
 20518  		t := v.Type
 20519  		x := v_0
 20520  		y := v_1
 20521  		if !(!shiftIsBounded(v)) {
 20522  			break
 20523  		}
 20524  		v.reset(OpARM64CSEL)
 20525  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 20526  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 20527  		v0.AddArg2(x, y)
 20528  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 20529  		v1.AuxInt = int64ToAuxInt(0)
 20530  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 20531  		v2.AuxInt = int64ToAuxInt(64)
 20532  		v2.AddArg(y)
 20533  		v.AddArg3(v0, v1, v2)
 20534  		return true
 20535  	}
 20536  	return false
 20537  }
 20538  func rewriteValueARM64_OpLsh64x8(v *Value) bool {
 20539  	v_1 := v.Args[1]
 20540  	v_0 := v.Args[0]
 20541  	b := v.Block
 20542  	typ := &b.Func.Config.Types
 20543  	// match: (Lsh64x8 <t> x y)
 20544  	// cond: shiftIsBounded(v)
 20545  	// result: (SLL <t> x y)
 20546  	for {
 20547  		t := v.Type
 20548  		x := v_0
 20549  		y := v_1
 20550  		if !(shiftIsBounded(v)) {
 20551  			break
 20552  		}
 20553  		v.reset(OpARM64SLL)
 20554  		v.Type = t
 20555  		v.AddArg2(x, y)
 20556  		return true
 20557  	}
 20558  	// match: (Lsh64x8 <t> x y)
 20559  	// cond: !shiftIsBounded(v)
 20560  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y)))
 20561  	for {
 20562  		t := v.Type
 20563  		x := v_0
 20564  		y := v_1
 20565  		if !(!shiftIsBounded(v)) {
 20566  			break
 20567  		}
 20568  		v.reset(OpARM64CSEL)
 20569  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 20570  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 20571  		v0.AddArg2(x, y)
 20572  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 20573  		v1.AuxInt = int64ToAuxInt(0)
 20574  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 20575  		v2.AuxInt = int64ToAuxInt(64)
 20576  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 20577  		v3.AddArg(y)
 20578  		v2.AddArg(v3)
 20579  		v.AddArg3(v0, v1, v2)
 20580  		return true
 20581  	}
 20582  	return false
 20583  }
 20584  func rewriteValueARM64_OpLsh8x16(v *Value) bool {
 20585  	v_1 := v.Args[1]
 20586  	v_0 := v.Args[0]
 20587  	b := v.Block
 20588  	typ := &b.Func.Config.Types
 20589  	// match: (Lsh8x16 <t> x y)
 20590  	// cond: shiftIsBounded(v)
 20591  	// result: (SLL <t> x y)
 20592  	for {
 20593  		t := v.Type
 20594  		x := v_0
 20595  		y := v_1
 20596  		if !(shiftIsBounded(v)) {
 20597  			break
 20598  		}
 20599  		v.reset(OpARM64SLL)
 20600  		v.Type = t
 20601  		v.AddArg2(x, y)
 20602  		return true
 20603  	}
 20604  	// match: (Lsh8x16 <t> x y)
 20605  	// cond: !shiftIsBounded(v)
 20606  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y)))
 20607  	for {
 20608  		t := v.Type
 20609  		x := v_0
 20610  		y := v_1
 20611  		if !(!shiftIsBounded(v)) {
 20612  			break
 20613  		}
 20614  		v.reset(OpARM64CSEL)
 20615  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 20616  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 20617  		v0.AddArg2(x, y)
 20618  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 20619  		v1.AuxInt = int64ToAuxInt(0)
 20620  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 20621  		v2.AuxInt = int64ToAuxInt(64)
 20622  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 20623  		v3.AddArg(y)
 20624  		v2.AddArg(v3)
 20625  		v.AddArg3(v0, v1, v2)
 20626  		return true
 20627  	}
 20628  	return false
 20629  }
 20630  func rewriteValueARM64_OpLsh8x32(v *Value) bool {
 20631  	v_1 := v.Args[1]
 20632  	v_0 := v.Args[0]
 20633  	b := v.Block
 20634  	typ := &b.Func.Config.Types
 20635  	// match: (Lsh8x32 <t> x y)
 20636  	// cond: shiftIsBounded(v)
 20637  	// result: (SLL <t> x y)
 20638  	for {
 20639  		t := v.Type
 20640  		x := v_0
 20641  		y := v_1
 20642  		if !(shiftIsBounded(v)) {
 20643  			break
 20644  		}
 20645  		v.reset(OpARM64SLL)
 20646  		v.Type = t
 20647  		v.AddArg2(x, y)
 20648  		return true
 20649  	}
 20650  	// match: (Lsh8x32 <t> x y)
 20651  	// cond: !shiftIsBounded(v)
 20652  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y)))
 20653  	for {
 20654  		t := v.Type
 20655  		x := v_0
 20656  		y := v_1
 20657  		if !(!shiftIsBounded(v)) {
 20658  			break
 20659  		}
 20660  		v.reset(OpARM64CSEL)
 20661  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 20662  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 20663  		v0.AddArg2(x, y)
 20664  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 20665  		v1.AuxInt = int64ToAuxInt(0)
 20666  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 20667  		v2.AuxInt = int64ToAuxInt(64)
 20668  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 20669  		v3.AddArg(y)
 20670  		v2.AddArg(v3)
 20671  		v.AddArg3(v0, v1, v2)
 20672  		return true
 20673  	}
 20674  	return false
 20675  }
 20676  func rewriteValueARM64_OpLsh8x64(v *Value) bool {
 20677  	v_1 := v.Args[1]
 20678  	v_0 := v.Args[0]
 20679  	b := v.Block
 20680  	// match: (Lsh8x64 <t> x y)
 20681  	// cond: shiftIsBounded(v)
 20682  	// result: (SLL <t> x y)
 20683  	for {
 20684  		t := v.Type
 20685  		x := v_0
 20686  		y := v_1
 20687  		if !(shiftIsBounded(v)) {
 20688  			break
 20689  		}
 20690  		v.reset(OpARM64SLL)
 20691  		v.Type = t
 20692  		v.AddArg2(x, y)
 20693  		return true
 20694  	}
 20695  	// match: (Lsh8x64 <t> x y)
 20696  	// cond: !shiftIsBounded(v)
 20697  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] y))
 20698  	for {
 20699  		t := v.Type
 20700  		x := v_0
 20701  		y := v_1
 20702  		if !(!shiftIsBounded(v)) {
 20703  			break
 20704  		}
 20705  		v.reset(OpARM64CSEL)
 20706  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 20707  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 20708  		v0.AddArg2(x, y)
 20709  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 20710  		v1.AuxInt = int64ToAuxInt(0)
 20711  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 20712  		v2.AuxInt = int64ToAuxInt(64)
 20713  		v2.AddArg(y)
 20714  		v.AddArg3(v0, v1, v2)
 20715  		return true
 20716  	}
 20717  	return false
 20718  }
 20719  func rewriteValueARM64_OpLsh8x8(v *Value) bool {
 20720  	v_1 := v.Args[1]
 20721  	v_0 := v.Args[0]
 20722  	b := v.Block
 20723  	typ := &b.Func.Config.Types
 20724  	// match: (Lsh8x8 <t> x y)
 20725  	// cond: shiftIsBounded(v)
 20726  	// result: (SLL <t> x y)
 20727  	for {
 20728  		t := v.Type
 20729  		x := v_0
 20730  		y := v_1
 20731  		if !(shiftIsBounded(v)) {
 20732  			break
 20733  		}
 20734  		v.reset(OpARM64SLL)
 20735  		v.Type = t
 20736  		v.AddArg2(x, y)
 20737  		return true
 20738  	}
 20739  	// match: (Lsh8x8 <t> x y)
 20740  	// cond: !shiftIsBounded(v)
 20741  	// result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y)))
 20742  	for {
 20743  		t := v.Type
 20744  		x := v_0
 20745  		y := v_1
 20746  		if !(!shiftIsBounded(v)) {
 20747  			break
 20748  		}
 20749  		v.reset(OpARM64CSEL)
 20750  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 20751  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 20752  		v0.AddArg2(x, y)
 20753  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 20754  		v1.AuxInt = int64ToAuxInt(0)
 20755  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 20756  		v2.AuxInt = int64ToAuxInt(64)
 20757  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 20758  		v3.AddArg(y)
 20759  		v2.AddArg(v3)
 20760  		v.AddArg3(v0, v1, v2)
 20761  		return true
 20762  	}
 20763  	return false
 20764  }
 20765  func rewriteValueARM64_OpMod16(v *Value) bool {
 20766  	v_1 := v.Args[1]
 20767  	v_0 := v.Args[0]
 20768  	b := v.Block
 20769  	typ := &b.Func.Config.Types
 20770  	// match: (Mod16 x y)
 20771  	// result: (MODW (SignExt16to32 x) (SignExt16to32 y))
 20772  	for {
 20773  		x := v_0
 20774  		y := v_1
 20775  		v.reset(OpARM64MODW)
 20776  		v0 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 20777  		v0.AddArg(x)
 20778  		v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32)
 20779  		v1.AddArg(y)
 20780  		v.AddArg2(v0, v1)
 20781  		return true
 20782  	}
 20783  }
 20784  func rewriteValueARM64_OpMod16u(v *Value) bool {
 20785  	v_1 := v.Args[1]
 20786  	v_0 := v.Args[0]
 20787  	b := v.Block
 20788  	typ := &b.Func.Config.Types
 20789  	// match: (Mod16u x y)
 20790  	// result: (UMODW (ZeroExt16to32 x) (ZeroExt16to32 y))
 20791  	for {
 20792  		x := v_0
 20793  		y := v_1
 20794  		v.reset(OpARM64UMODW)
 20795  		v0 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 20796  		v0.AddArg(x)
 20797  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 20798  		v1.AddArg(y)
 20799  		v.AddArg2(v0, v1)
 20800  		return true
 20801  	}
 20802  }
 20803  func rewriteValueARM64_OpMod32(v *Value) bool {
 20804  	v_1 := v.Args[1]
 20805  	v_0 := v.Args[0]
 20806  	// match: (Mod32 x y)
 20807  	// result: (MODW x y)
 20808  	for {
 20809  		x := v_0
 20810  		y := v_1
 20811  		v.reset(OpARM64MODW)
 20812  		v.AddArg2(x, y)
 20813  		return true
 20814  	}
 20815  }
 20816  func rewriteValueARM64_OpMod64(v *Value) bool {
 20817  	v_1 := v.Args[1]
 20818  	v_0 := v.Args[0]
 20819  	// match: (Mod64 x y)
 20820  	// result: (MOD x y)
 20821  	for {
 20822  		x := v_0
 20823  		y := v_1
 20824  		v.reset(OpARM64MOD)
 20825  		v.AddArg2(x, y)
 20826  		return true
 20827  	}
 20828  }
 20829  func rewriteValueARM64_OpMod8(v *Value) bool {
 20830  	v_1 := v.Args[1]
 20831  	v_0 := v.Args[0]
 20832  	b := v.Block
 20833  	typ := &b.Func.Config.Types
 20834  	// match: (Mod8 x y)
 20835  	// result: (MODW (SignExt8to32 x) (SignExt8to32 y))
 20836  	for {
 20837  		x := v_0
 20838  		y := v_1
 20839  		v.reset(OpARM64MODW)
 20840  		v0 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 20841  		v0.AddArg(x)
 20842  		v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32)
 20843  		v1.AddArg(y)
 20844  		v.AddArg2(v0, v1)
 20845  		return true
 20846  	}
 20847  }
 20848  func rewriteValueARM64_OpMod8u(v *Value) bool {
 20849  	v_1 := v.Args[1]
 20850  	v_0 := v.Args[0]
 20851  	b := v.Block
 20852  	typ := &b.Func.Config.Types
 20853  	// match: (Mod8u x y)
 20854  	// result: (UMODW (ZeroExt8to32 x) (ZeroExt8to32 y))
 20855  	for {
 20856  		x := v_0
 20857  		y := v_1
 20858  		v.reset(OpARM64UMODW)
 20859  		v0 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 20860  		v0.AddArg(x)
 20861  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 20862  		v1.AddArg(y)
 20863  		v.AddArg2(v0, v1)
 20864  		return true
 20865  	}
 20866  }
 20867  func rewriteValueARM64_OpMove(v *Value) bool {
 20868  	v_2 := v.Args[2]
 20869  	v_1 := v.Args[1]
 20870  	v_0 := v.Args[0]
 20871  	b := v.Block
 20872  	config := b.Func.Config
 20873  	typ := &b.Func.Config.Types
 20874  	// match: (Move [0] _ _ mem)
 20875  	// result: mem
 20876  	for {
 20877  		if auxIntToInt64(v.AuxInt) != 0 {
 20878  			break
 20879  		}
 20880  		mem := v_2
 20881  		v.copyOf(mem)
 20882  		return true
 20883  	}
 20884  	// match: (Move [1] dst src mem)
 20885  	// result: (MOVBstore dst (MOVBUload src mem) mem)
 20886  	for {
 20887  		if auxIntToInt64(v.AuxInt) != 1 {
 20888  			break
 20889  		}
 20890  		dst := v_0
 20891  		src := v_1
 20892  		mem := v_2
 20893  		v.reset(OpARM64MOVBstore)
 20894  		v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8)
 20895  		v0.AddArg2(src, mem)
 20896  		v.AddArg3(dst, v0, mem)
 20897  		return true
 20898  	}
 20899  	// match: (Move [2] dst src mem)
 20900  	// result: (MOVHstore dst (MOVHUload src mem) mem)
 20901  	for {
 20902  		if auxIntToInt64(v.AuxInt) != 2 {
 20903  			break
 20904  		}
 20905  		dst := v_0
 20906  		src := v_1
 20907  		mem := v_2
 20908  		v.reset(OpARM64MOVHstore)
 20909  		v0 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16)
 20910  		v0.AddArg2(src, mem)
 20911  		v.AddArg3(dst, v0, mem)
 20912  		return true
 20913  	}
 20914  	// match: (Move [3] dst src mem)
 20915  	// result: (MOVBstore [2] dst (MOVBUload [2] src mem) (MOVHstore dst (MOVHUload src mem) mem))
 20916  	for {
 20917  		if auxIntToInt64(v.AuxInt) != 3 {
 20918  			break
 20919  		}
 20920  		dst := v_0
 20921  		src := v_1
 20922  		mem := v_2
 20923  		v.reset(OpARM64MOVBstore)
 20924  		v.AuxInt = int32ToAuxInt(2)
 20925  		v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8)
 20926  		v0.AuxInt = int32ToAuxInt(2)
 20927  		v0.AddArg2(src, mem)
 20928  		v1 := b.NewValue0(v.Pos, OpARM64MOVHstore, types.TypeMem)
 20929  		v2 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16)
 20930  		v2.AddArg2(src, mem)
 20931  		v1.AddArg3(dst, v2, mem)
 20932  		v.AddArg3(dst, v0, v1)
 20933  		return true
 20934  	}
 20935  	// match: (Move [4] dst src mem)
 20936  	// result: (MOVWstore dst (MOVWUload src mem) mem)
 20937  	for {
 20938  		if auxIntToInt64(v.AuxInt) != 4 {
 20939  			break
 20940  		}
 20941  		dst := v_0
 20942  		src := v_1
 20943  		mem := v_2
 20944  		v.reset(OpARM64MOVWstore)
 20945  		v0 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 20946  		v0.AddArg2(src, mem)
 20947  		v.AddArg3(dst, v0, mem)
 20948  		return true
 20949  	}
 20950  	// match: (Move [5] dst src mem)
 20951  	// result: (MOVBstore [4] dst (MOVBUload [4] src mem) (MOVWstore dst (MOVWUload src mem) mem))
 20952  	for {
 20953  		if auxIntToInt64(v.AuxInt) != 5 {
 20954  			break
 20955  		}
 20956  		dst := v_0
 20957  		src := v_1
 20958  		mem := v_2
 20959  		v.reset(OpARM64MOVBstore)
 20960  		v.AuxInt = int32ToAuxInt(4)
 20961  		v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8)
 20962  		v0.AuxInt = int32ToAuxInt(4)
 20963  		v0.AddArg2(src, mem)
 20964  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 20965  		v2 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 20966  		v2.AddArg2(src, mem)
 20967  		v1.AddArg3(dst, v2, mem)
 20968  		v.AddArg3(dst, v0, v1)
 20969  		return true
 20970  	}
 20971  	// match: (Move [6] dst src mem)
 20972  	// result: (MOVHstore [4] dst (MOVHUload [4] src mem) (MOVWstore dst (MOVWUload src mem) mem))
 20973  	for {
 20974  		if auxIntToInt64(v.AuxInt) != 6 {
 20975  			break
 20976  		}
 20977  		dst := v_0
 20978  		src := v_1
 20979  		mem := v_2
 20980  		v.reset(OpARM64MOVHstore)
 20981  		v.AuxInt = int32ToAuxInt(4)
 20982  		v0 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16)
 20983  		v0.AuxInt = int32ToAuxInt(4)
 20984  		v0.AddArg2(src, mem)
 20985  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 20986  		v2 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 20987  		v2.AddArg2(src, mem)
 20988  		v1.AddArg3(dst, v2, mem)
 20989  		v.AddArg3(dst, v0, v1)
 20990  		return true
 20991  	}
 20992  	// match: (Move [7] dst src mem)
 20993  	// result: (MOVWstore [3] dst (MOVWUload [3] src mem) (MOVWstore dst (MOVWUload src mem) mem))
 20994  	for {
 20995  		if auxIntToInt64(v.AuxInt) != 7 {
 20996  			break
 20997  		}
 20998  		dst := v_0
 20999  		src := v_1
 21000  		mem := v_2
 21001  		v.reset(OpARM64MOVWstore)
 21002  		v.AuxInt = int32ToAuxInt(3)
 21003  		v0 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 21004  		v0.AuxInt = int32ToAuxInt(3)
 21005  		v0.AddArg2(src, mem)
 21006  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 21007  		v2 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 21008  		v2.AddArg2(src, mem)
 21009  		v1.AddArg3(dst, v2, mem)
 21010  		v.AddArg3(dst, v0, v1)
 21011  		return true
 21012  	}
 21013  	// match: (Move [8] dst src mem)
 21014  	// result: (MOVDstore dst (MOVDload src mem) mem)
 21015  	for {
 21016  		if auxIntToInt64(v.AuxInt) != 8 {
 21017  			break
 21018  		}
 21019  		dst := v_0
 21020  		src := v_1
 21021  		mem := v_2
 21022  		v.reset(OpARM64MOVDstore)
 21023  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21024  		v0.AddArg2(src, mem)
 21025  		v.AddArg3(dst, v0, mem)
 21026  		return true
 21027  	}
 21028  	// match: (Move [9] dst src mem)
 21029  	// result: (MOVBstore [8] dst (MOVBUload [8] src mem) (MOVDstore dst (MOVDload src mem) mem))
 21030  	for {
 21031  		if auxIntToInt64(v.AuxInt) != 9 {
 21032  			break
 21033  		}
 21034  		dst := v_0
 21035  		src := v_1
 21036  		mem := v_2
 21037  		v.reset(OpARM64MOVBstore)
 21038  		v.AuxInt = int32ToAuxInt(8)
 21039  		v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8)
 21040  		v0.AuxInt = int32ToAuxInt(8)
 21041  		v0.AddArg2(src, mem)
 21042  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 21043  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21044  		v2.AddArg2(src, mem)
 21045  		v1.AddArg3(dst, v2, mem)
 21046  		v.AddArg3(dst, v0, v1)
 21047  		return true
 21048  	}
 21049  	// match: (Move [10] dst src mem)
 21050  	// result: (MOVHstore [8] dst (MOVHUload [8] src mem) (MOVDstore dst (MOVDload src mem) mem))
 21051  	for {
 21052  		if auxIntToInt64(v.AuxInt) != 10 {
 21053  			break
 21054  		}
 21055  		dst := v_0
 21056  		src := v_1
 21057  		mem := v_2
 21058  		v.reset(OpARM64MOVHstore)
 21059  		v.AuxInt = int32ToAuxInt(8)
 21060  		v0 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16)
 21061  		v0.AuxInt = int32ToAuxInt(8)
 21062  		v0.AddArg2(src, mem)
 21063  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 21064  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21065  		v2.AddArg2(src, mem)
 21066  		v1.AddArg3(dst, v2, mem)
 21067  		v.AddArg3(dst, v0, v1)
 21068  		return true
 21069  	}
 21070  	// match: (Move [11] dst src mem)
 21071  	// result: (MOVDstore [3] dst (MOVDload [3] src mem) (MOVDstore dst (MOVDload src mem) mem))
 21072  	for {
 21073  		if auxIntToInt64(v.AuxInt) != 11 {
 21074  			break
 21075  		}
 21076  		dst := v_0
 21077  		src := v_1
 21078  		mem := v_2
 21079  		v.reset(OpARM64MOVDstore)
 21080  		v.AuxInt = int32ToAuxInt(3)
 21081  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21082  		v0.AuxInt = int32ToAuxInt(3)
 21083  		v0.AddArg2(src, mem)
 21084  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 21085  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21086  		v2.AddArg2(src, mem)
 21087  		v1.AddArg3(dst, v2, mem)
 21088  		v.AddArg3(dst, v0, v1)
 21089  		return true
 21090  	}
 21091  	// match: (Move [12] dst src mem)
 21092  	// result: (MOVWstore [8] dst (MOVWUload [8] src mem) (MOVDstore dst (MOVDload src mem) mem))
 21093  	for {
 21094  		if auxIntToInt64(v.AuxInt) != 12 {
 21095  			break
 21096  		}
 21097  		dst := v_0
 21098  		src := v_1
 21099  		mem := v_2
 21100  		v.reset(OpARM64MOVWstore)
 21101  		v.AuxInt = int32ToAuxInt(8)
 21102  		v0 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32)
 21103  		v0.AuxInt = int32ToAuxInt(8)
 21104  		v0.AddArg2(src, mem)
 21105  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 21106  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21107  		v2.AddArg2(src, mem)
 21108  		v1.AddArg3(dst, v2, mem)
 21109  		v.AddArg3(dst, v0, v1)
 21110  		return true
 21111  	}
 21112  	// match: (Move [13] dst src mem)
 21113  	// result: (MOVDstore [5] dst (MOVDload [5] src mem) (MOVDstore dst (MOVDload src mem) mem))
 21114  	for {
 21115  		if auxIntToInt64(v.AuxInt) != 13 {
 21116  			break
 21117  		}
 21118  		dst := v_0
 21119  		src := v_1
 21120  		mem := v_2
 21121  		v.reset(OpARM64MOVDstore)
 21122  		v.AuxInt = int32ToAuxInt(5)
 21123  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21124  		v0.AuxInt = int32ToAuxInt(5)
 21125  		v0.AddArg2(src, mem)
 21126  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 21127  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21128  		v2.AddArg2(src, mem)
 21129  		v1.AddArg3(dst, v2, mem)
 21130  		v.AddArg3(dst, v0, v1)
 21131  		return true
 21132  	}
 21133  	// match: (Move [14] dst src mem)
 21134  	// result: (MOVDstore [6] dst (MOVDload [6] src mem) (MOVDstore dst (MOVDload src mem) mem))
 21135  	for {
 21136  		if auxIntToInt64(v.AuxInt) != 14 {
 21137  			break
 21138  		}
 21139  		dst := v_0
 21140  		src := v_1
 21141  		mem := v_2
 21142  		v.reset(OpARM64MOVDstore)
 21143  		v.AuxInt = int32ToAuxInt(6)
 21144  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21145  		v0.AuxInt = int32ToAuxInt(6)
 21146  		v0.AddArg2(src, mem)
 21147  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 21148  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21149  		v2.AddArg2(src, mem)
 21150  		v1.AddArg3(dst, v2, mem)
 21151  		v.AddArg3(dst, v0, v1)
 21152  		return true
 21153  	}
 21154  	// match: (Move [15] dst src mem)
 21155  	// result: (MOVDstore [7] dst (MOVDload [7] src mem) (MOVDstore dst (MOVDload src mem) mem))
 21156  	for {
 21157  		if auxIntToInt64(v.AuxInt) != 15 {
 21158  			break
 21159  		}
 21160  		dst := v_0
 21161  		src := v_1
 21162  		mem := v_2
 21163  		v.reset(OpARM64MOVDstore)
 21164  		v.AuxInt = int32ToAuxInt(7)
 21165  		v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21166  		v0.AuxInt = int32ToAuxInt(7)
 21167  		v0.AddArg2(src, mem)
 21168  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 21169  		v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64)
 21170  		v2.AddArg2(src, mem)
 21171  		v1.AddArg3(dst, v2, mem)
 21172  		v.AddArg3(dst, v0, v1)
 21173  		return true
 21174  	}
 21175  	// match: (Move [16] dst src mem)
 21176  	// result: (STP dst (Select0 <typ.UInt64> (LDP src mem)) (Select1 <typ.UInt64> (LDP src mem)) mem)
 21177  	for {
 21178  		if auxIntToInt64(v.AuxInt) != 16 {
 21179  			break
 21180  		}
 21181  		dst := v_0
 21182  		src := v_1
 21183  		mem := v_2
 21184  		v.reset(OpARM64STP)
 21185  		v0 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 21186  		v1 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 21187  		v1.AddArg2(src, mem)
 21188  		v0.AddArg(v1)
 21189  		v2 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 21190  		v2.AddArg(v1)
 21191  		v.AddArg4(dst, v0, v2, mem)
 21192  		return true
 21193  	}
 21194  	// match: (Move [32] dst src mem)
 21195  	// 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))
 21196  	for {
 21197  		if auxIntToInt64(v.AuxInt) != 32 {
 21198  			break
 21199  		}
 21200  		dst := v_0
 21201  		src := v_1
 21202  		mem := v_2
 21203  		v.reset(OpARM64STP)
 21204  		v.AuxInt = int32ToAuxInt(16)
 21205  		v0 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 21206  		v1 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 21207  		v1.AuxInt = int32ToAuxInt(16)
 21208  		v1.AddArg2(src, mem)
 21209  		v0.AddArg(v1)
 21210  		v2 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 21211  		v2.AddArg(v1)
 21212  		v3 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 21213  		v4 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 21214  		v5 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 21215  		v5.AddArg2(src, mem)
 21216  		v4.AddArg(v5)
 21217  		v6 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 21218  		v6.AddArg(v5)
 21219  		v3.AddArg4(dst, v4, v6, mem)
 21220  		v.AddArg4(dst, v0, v2, v3)
 21221  		return true
 21222  	}
 21223  	// match: (Move [48] dst src mem)
 21224  	// 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)))
 21225  	for {
 21226  		if auxIntToInt64(v.AuxInt) != 48 {
 21227  			break
 21228  		}
 21229  		dst := v_0
 21230  		src := v_1
 21231  		mem := v_2
 21232  		v.reset(OpARM64STP)
 21233  		v.AuxInt = int32ToAuxInt(32)
 21234  		v0 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 21235  		v1 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 21236  		v1.AuxInt = int32ToAuxInt(32)
 21237  		v1.AddArg2(src, mem)
 21238  		v0.AddArg(v1)
 21239  		v2 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 21240  		v2.AddArg(v1)
 21241  		v3 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 21242  		v3.AuxInt = int32ToAuxInt(16)
 21243  		v4 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 21244  		v5 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 21245  		v5.AuxInt = int32ToAuxInt(16)
 21246  		v5.AddArg2(src, mem)
 21247  		v4.AddArg(v5)
 21248  		v6 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 21249  		v6.AddArg(v5)
 21250  		v7 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 21251  		v8 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 21252  		v9 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 21253  		v9.AddArg2(src, mem)
 21254  		v8.AddArg(v9)
 21255  		v10 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 21256  		v10.AddArg(v9)
 21257  		v7.AddArg4(dst, v8, v10, mem)
 21258  		v3.AddArg4(dst, v4, v6, v7)
 21259  		v.AddArg4(dst, v0, v2, v3)
 21260  		return true
 21261  	}
 21262  	// match: (Move [64] dst src mem)
 21263  	// 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))))
 21264  	for {
 21265  		if auxIntToInt64(v.AuxInt) != 64 {
 21266  			break
 21267  		}
 21268  		dst := v_0
 21269  		src := v_1
 21270  		mem := v_2
 21271  		v.reset(OpARM64STP)
 21272  		v.AuxInt = int32ToAuxInt(48)
 21273  		v0 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 21274  		v1 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 21275  		v1.AuxInt = int32ToAuxInt(48)
 21276  		v1.AddArg2(src, mem)
 21277  		v0.AddArg(v1)
 21278  		v2 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 21279  		v2.AddArg(v1)
 21280  		v3 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 21281  		v3.AuxInt = int32ToAuxInt(32)
 21282  		v4 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 21283  		v5 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 21284  		v5.AuxInt = int32ToAuxInt(32)
 21285  		v5.AddArg2(src, mem)
 21286  		v4.AddArg(v5)
 21287  		v6 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 21288  		v6.AddArg(v5)
 21289  		v7 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 21290  		v7.AuxInt = int32ToAuxInt(16)
 21291  		v8 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 21292  		v9 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 21293  		v9.AuxInt = int32ToAuxInt(16)
 21294  		v9.AddArg2(src, mem)
 21295  		v8.AddArg(v9)
 21296  		v10 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 21297  		v10.AddArg(v9)
 21298  		v11 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 21299  		v12 := b.NewValue0(v.Pos, OpSelect0, typ.UInt64)
 21300  		v13 := b.NewValue0(v.Pos, OpARM64LDP, types.NewTuple(typ.UInt64, typ.UInt64))
 21301  		v13.AddArg2(src, mem)
 21302  		v12.AddArg(v13)
 21303  		v14 := b.NewValue0(v.Pos, OpSelect1, typ.UInt64)
 21304  		v14.AddArg(v13)
 21305  		v11.AddArg4(dst, v12, v14, mem)
 21306  		v7.AddArg4(dst, v8, v10, v11)
 21307  		v3.AddArg4(dst, v4, v6, v7)
 21308  		v.AddArg4(dst, v0, v2, v3)
 21309  		return true
 21310  	}
 21311  	// match: (Move [s] dst src mem)
 21312  	// cond: s%16 != 0 && s%16 <= 8 && s > 16
 21313  	// result: (Move [8] (OffPtr <dst.Type> dst [s-8]) (OffPtr <src.Type> src [s-8]) (Move [s-s%16] dst src mem))
 21314  	for {
 21315  		s := auxIntToInt64(v.AuxInt)
 21316  		dst := v_0
 21317  		src := v_1
 21318  		mem := v_2
 21319  		if !(s%16 != 0 && s%16 <= 8 && s > 16) {
 21320  			break
 21321  		}
 21322  		v.reset(OpMove)
 21323  		v.AuxInt = int64ToAuxInt(8)
 21324  		v0 := b.NewValue0(v.Pos, OpOffPtr, dst.Type)
 21325  		v0.AuxInt = int64ToAuxInt(s - 8)
 21326  		v0.AddArg(dst)
 21327  		v1 := b.NewValue0(v.Pos, OpOffPtr, src.Type)
 21328  		v1.AuxInt = int64ToAuxInt(s - 8)
 21329  		v1.AddArg(src)
 21330  		v2 := b.NewValue0(v.Pos, OpMove, types.TypeMem)
 21331  		v2.AuxInt = int64ToAuxInt(s - s%16)
 21332  		v2.AddArg3(dst, src, mem)
 21333  		v.AddArg3(v0, v1, v2)
 21334  		return true
 21335  	}
 21336  	// match: (Move [s] dst src mem)
 21337  	// cond: s%16 != 0 && s%16 > 8 && s > 16
 21338  	// result: (Move [16] (OffPtr <dst.Type> dst [s-16]) (OffPtr <src.Type> src [s-16]) (Move [s-s%16] dst src mem))
 21339  	for {
 21340  		s := auxIntToInt64(v.AuxInt)
 21341  		dst := v_0
 21342  		src := v_1
 21343  		mem := v_2
 21344  		if !(s%16 != 0 && s%16 > 8 && s > 16) {
 21345  			break
 21346  		}
 21347  		v.reset(OpMove)
 21348  		v.AuxInt = int64ToAuxInt(16)
 21349  		v0 := b.NewValue0(v.Pos, OpOffPtr, dst.Type)
 21350  		v0.AuxInt = int64ToAuxInt(s - 16)
 21351  		v0.AddArg(dst)
 21352  		v1 := b.NewValue0(v.Pos, OpOffPtr, src.Type)
 21353  		v1.AuxInt = int64ToAuxInt(s - 16)
 21354  		v1.AddArg(src)
 21355  		v2 := b.NewValue0(v.Pos, OpMove, types.TypeMem)
 21356  		v2.AuxInt = int64ToAuxInt(s - s%16)
 21357  		v2.AddArg3(dst, src, mem)
 21358  		v.AddArg3(v0, v1, v2)
 21359  		return true
 21360  	}
 21361  	// match: (Move [s] dst src mem)
 21362  	// cond: s > 64 && s <= 16*64 && s%16 == 0 && !config.noDuffDevice && logLargeCopy(v, s)
 21363  	// result: (DUFFCOPY [8 * (64 - s/16)] dst src mem)
 21364  	for {
 21365  		s := auxIntToInt64(v.AuxInt)
 21366  		dst := v_0
 21367  		src := v_1
 21368  		mem := v_2
 21369  		if !(s > 64 && s <= 16*64 && s%16 == 0 && !config.noDuffDevice && logLargeCopy(v, s)) {
 21370  			break
 21371  		}
 21372  		v.reset(OpARM64DUFFCOPY)
 21373  		v.AuxInt = int64ToAuxInt(8 * (64 - s/16))
 21374  		v.AddArg3(dst, src, mem)
 21375  		return true
 21376  	}
 21377  	// match: (Move [s] dst src mem)
 21378  	// cond: s%16 == 0 && (s > 16*64 || config.noDuffDevice) && logLargeCopy(v, s)
 21379  	// result: (LoweredMove dst src (ADDconst <src.Type> src [s-16]) mem)
 21380  	for {
 21381  		s := auxIntToInt64(v.AuxInt)
 21382  		dst := v_0
 21383  		src := v_1
 21384  		mem := v_2
 21385  		if !(s%16 == 0 && (s > 16*64 || config.noDuffDevice) && logLargeCopy(v, s)) {
 21386  			break
 21387  		}
 21388  		v.reset(OpARM64LoweredMove)
 21389  		v0 := b.NewValue0(v.Pos, OpARM64ADDconst, src.Type)
 21390  		v0.AuxInt = int64ToAuxInt(s - 16)
 21391  		v0.AddArg(src)
 21392  		v.AddArg4(dst, src, v0, mem)
 21393  		return true
 21394  	}
 21395  	return false
 21396  }
 21397  func rewriteValueARM64_OpNeq16(v *Value) bool {
 21398  	v_1 := v.Args[1]
 21399  	v_0 := v.Args[0]
 21400  	b := v.Block
 21401  	typ := &b.Func.Config.Types
 21402  	// match: (Neq16 x y)
 21403  	// result: (NotEqual (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y)))
 21404  	for {
 21405  		x := v_0
 21406  		y := v_1
 21407  		v.reset(OpARM64NotEqual)
 21408  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 21409  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 21410  		v1.AddArg(x)
 21411  		v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 21412  		v2.AddArg(y)
 21413  		v0.AddArg2(v1, v2)
 21414  		v.AddArg(v0)
 21415  		return true
 21416  	}
 21417  }
 21418  func rewriteValueARM64_OpNeq32(v *Value) bool {
 21419  	v_1 := v.Args[1]
 21420  	v_0 := v.Args[0]
 21421  	b := v.Block
 21422  	// match: (Neq32 x y)
 21423  	// result: (NotEqual (CMPW x y))
 21424  	for {
 21425  		x := v_0
 21426  		y := v_1
 21427  		v.reset(OpARM64NotEqual)
 21428  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 21429  		v0.AddArg2(x, y)
 21430  		v.AddArg(v0)
 21431  		return true
 21432  	}
 21433  }
 21434  func rewriteValueARM64_OpNeq32F(v *Value) bool {
 21435  	v_1 := v.Args[1]
 21436  	v_0 := v.Args[0]
 21437  	b := v.Block
 21438  	// match: (Neq32F x y)
 21439  	// result: (NotEqual (FCMPS x y))
 21440  	for {
 21441  		x := v_0
 21442  		y := v_1
 21443  		v.reset(OpARM64NotEqual)
 21444  		v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags)
 21445  		v0.AddArg2(x, y)
 21446  		v.AddArg(v0)
 21447  		return true
 21448  	}
 21449  }
 21450  func rewriteValueARM64_OpNeq64(v *Value) bool {
 21451  	v_1 := v.Args[1]
 21452  	v_0 := v.Args[0]
 21453  	b := v.Block
 21454  	// match: (Neq64 x y)
 21455  	// result: (NotEqual (CMP x y))
 21456  	for {
 21457  		x := v_0
 21458  		y := v_1
 21459  		v.reset(OpARM64NotEqual)
 21460  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 21461  		v0.AddArg2(x, y)
 21462  		v.AddArg(v0)
 21463  		return true
 21464  	}
 21465  }
 21466  func rewriteValueARM64_OpNeq64F(v *Value) bool {
 21467  	v_1 := v.Args[1]
 21468  	v_0 := v.Args[0]
 21469  	b := v.Block
 21470  	// match: (Neq64F x y)
 21471  	// result: (NotEqual (FCMPD x y))
 21472  	for {
 21473  		x := v_0
 21474  		y := v_1
 21475  		v.reset(OpARM64NotEqual)
 21476  		v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags)
 21477  		v0.AddArg2(x, y)
 21478  		v.AddArg(v0)
 21479  		return true
 21480  	}
 21481  }
 21482  func rewriteValueARM64_OpNeq8(v *Value) bool {
 21483  	v_1 := v.Args[1]
 21484  	v_0 := v.Args[0]
 21485  	b := v.Block
 21486  	typ := &b.Func.Config.Types
 21487  	// match: (Neq8 x y)
 21488  	// result: (NotEqual (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y)))
 21489  	for {
 21490  		x := v_0
 21491  		y := v_1
 21492  		v.reset(OpARM64NotEqual)
 21493  		v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags)
 21494  		v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 21495  		v1.AddArg(x)
 21496  		v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32)
 21497  		v2.AddArg(y)
 21498  		v0.AddArg2(v1, v2)
 21499  		v.AddArg(v0)
 21500  		return true
 21501  	}
 21502  }
 21503  func rewriteValueARM64_OpNeqPtr(v *Value) bool {
 21504  	v_1 := v.Args[1]
 21505  	v_0 := v.Args[0]
 21506  	b := v.Block
 21507  	// match: (NeqPtr x y)
 21508  	// result: (NotEqual (CMP x y))
 21509  	for {
 21510  		x := v_0
 21511  		y := v_1
 21512  		v.reset(OpARM64NotEqual)
 21513  		v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags)
 21514  		v0.AddArg2(x, y)
 21515  		v.AddArg(v0)
 21516  		return true
 21517  	}
 21518  }
 21519  func rewriteValueARM64_OpNot(v *Value) bool {
 21520  	v_0 := v.Args[0]
 21521  	b := v.Block
 21522  	typ := &b.Func.Config.Types
 21523  	// match: (Not x)
 21524  	// result: (XOR (MOVDconst [1]) x)
 21525  	for {
 21526  		x := v_0
 21527  		v.reset(OpARM64XOR)
 21528  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 21529  		v0.AuxInt = int64ToAuxInt(1)
 21530  		v.AddArg2(v0, x)
 21531  		return true
 21532  	}
 21533  }
 21534  func rewriteValueARM64_OpOffPtr(v *Value) bool {
 21535  	v_0 := v.Args[0]
 21536  	// match: (OffPtr [off] ptr:(SP))
 21537  	// cond: is32Bit(off)
 21538  	// result: (MOVDaddr [int32(off)] ptr)
 21539  	for {
 21540  		off := auxIntToInt64(v.AuxInt)
 21541  		ptr := v_0
 21542  		if ptr.Op != OpSP || !(is32Bit(off)) {
 21543  			break
 21544  		}
 21545  		v.reset(OpARM64MOVDaddr)
 21546  		v.AuxInt = int32ToAuxInt(int32(off))
 21547  		v.AddArg(ptr)
 21548  		return true
 21549  	}
 21550  	// match: (OffPtr [off] ptr)
 21551  	// result: (ADDconst [off] ptr)
 21552  	for {
 21553  		off := auxIntToInt64(v.AuxInt)
 21554  		ptr := v_0
 21555  		v.reset(OpARM64ADDconst)
 21556  		v.AuxInt = int64ToAuxInt(off)
 21557  		v.AddArg(ptr)
 21558  		return true
 21559  	}
 21560  }
 21561  func rewriteValueARM64_OpPanicBounds(v *Value) bool {
 21562  	v_2 := v.Args[2]
 21563  	v_1 := v.Args[1]
 21564  	v_0 := v.Args[0]
 21565  	// match: (PanicBounds [kind] x y mem)
 21566  	// cond: boundsABI(kind) == 0
 21567  	// result: (LoweredPanicBoundsA [kind] x y mem)
 21568  	for {
 21569  		kind := auxIntToInt64(v.AuxInt)
 21570  		x := v_0
 21571  		y := v_1
 21572  		mem := v_2
 21573  		if !(boundsABI(kind) == 0) {
 21574  			break
 21575  		}
 21576  		v.reset(OpARM64LoweredPanicBoundsA)
 21577  		v.AuxInt = int64ToAuxInt(kind)
 21578  		v.AddArg3(x, y, mem)
 21579  		return true
 21580  	}
 21581  	// match: (PanicBounds [kind] x y mem)
 21582  	// cond: boundsABI(kind) == 1
 21583  	// result: (LoweredPanicBoundsB [kind] x y mem)
 21584  	for {
 21585  		kind := auxIntToInt64(v.AuxInt)
 21586  		x := v_0
 21587  		y := v_1
 21588  		mem := v_2
 21589  		if !(boundsABI(kind) == 1) {
 21590  			break
 21591  		}
 21592  		v.reset(OpARM64LoweredPanicBoundsB)
 21593  		v.AuxInt = int64ToAuxInt(kind)
 21594  		v.AddArg3(x, y, mem)
 21595  		return true
 21596  	}
 21597  	// match: (PanicBounds [kind] x y mem)
 21598  	// cond: boundsABI(kind) == 2
 21599  	// result: (LoweredPanicBoundsC [kind] x y mem)
 21600  	for {
 21601  		kind := auxIntToInt64(v.AuxInt)
 21602  		x := v_0
 21603  		y := v_1
 21604  		mem := v_2
 21605  		if !(boundsABI(kind) == 2) {
 21606  			break
 21607  		}
 21608  		v.reset(OpARM64LoweredPanicBoundsC)
 21609  		v.AuxInt = int64ToAuxInt(kind)
 21610  		v.AddArg3(x, y, mem)
 21611  		return true
 21612  	}
 21613  	return false
 21614  }
 21615  func rewriteValueARM64_OpPopCount16(v *Value) bool {
 21616  	v_0 := v.Args[0]
 21617  	b := v.Block
 21618  	typ := &b.Func.Config.Types
 21619  	// match: (PopCount16 <t> x)
 21620  	// result: (FMOVDfpgp <t> (VUADDLV <typ.Float64> (VCNT <typ.Float64> (FMOVDgpfp <typ.Float64> (ZeroExt16to64 x)))))
 21621  	for {
 21622  		t := v.Type
 21623  		x := v_0
 21624  		v.reset(OpARM64FMOVDfpgp)
 21625  		v.Type = t
 21626  		v0 := b.NewValue0(v.Pos, OpARM64VUADDLV, typ.Float64)
 21627  		v1 := b.NewValue0(v.Pos, OpARM64VCNT, typ.Float64)
 21628  		v2 := b.NewValue0(v.Pos, OpARM64FMOVDgpfp, typ.Float64)
 21629  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21630  		v3.AddArg(x)
 21631  		v2.AddArg(v3)
 21632  		v1.AddArg(v2)
 21633  		v0.AddArg(v1)
 21634  		v.AddArg(v0)
 21635  		return true
 21636  	}
 21637  }
 21638  func rewriteValueARM64_OpPopCount32(v *Value) bool {
 21639  	v_0 := v.Args[0]
 21640  	b := v.Block
 21641  	typ := &b.Func.Config.Types
 21642  	// match: (PopCount32 <t> x)
 21643  	// result: (FMOVDfpgp <t> (VUADDLV <typ.Float64> (VCNT <typ.Float64> (FMOVDgpfp <typ.Float64> (ZeroExt32to64 x)))))
 21644  	for {
 21645  		t := v.Type
 21646  		x := v_0
 21647  		v.reset(OpARM64FMOVDfpgp)
 21648  		v.Type = t
 21649  		v0 := b.NewValue0(v.Pos, OpARM64VUADDLV, typ.Float64)
 21650  		v1 := b.NewValue0(v.Pos, OpARM64VCNT, typ.Float64)
 21651  		v2 := b.NewValue0(v.Pos, OpARM64FMOVDgpfp, typ.Float64)
 21652  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21653  		v3.AddArg(x)
 21654  		v2.AddArg(v3)
 21655  		v1.AddArg(v2)
 21656  		v0.AddArg(v1)
 21657  		v.AddArg(v0)
 21658  		return true
 21659  	}
 21660  }
 21661  func rewriteValueARM64_OpPopCount64(v *Value) bool {
 21662  	v_0 := v.Args[0]
 21663  	b := v.Block
 21664  	typ := &b.Func.Config.Types
 21665  	// match: (PopCount64 <t> x)
 21666  	// result: (FMOVDfpgp <t> (VUADDLV <typ.Float64> (VCNT <typ.Float64> (FMOVDgpfp <typ.Float64> x))))
 21667  	for {
 21668  		t := v.Type
 21669  		x := v_0
 21670  		v.reset(OpARM64FMOVDfpgp)
 21671  		v.Type = t
 21672  		v0 := b.NewValue0(v.Pos, OpARM64VUADDLV, typ.Float64)
 21673  		v1 := b.NewValue0(v.Pos, OpARM64VCNT, typ.Float64)
 21674  		v2 := b.NewValue0(v.Pos, OpARM64FMOVDgpfp, typ.Float64)
 21675  		v2.AddArg(x)
 21676  		v1.AddArg(v2)
 21677  		v0.AddArg(v1)
 21678  		v.AddArg(v0)
 21679  		return true
 21680  	}
 21681  }
 21682  func rewriteValueARM64_OpPrefetchCache(v *Value) bool {
 21683  	v_1 := v.Args[1]
 21684  	v_0 := v.Args[0]
 21685  	// match: (PrefetchCache addr mem)
 21686  	// result: (PRFM [0] addr mem)
 21687  	for {
 21688  		addr := v_0
 21689  		mem := v_1
 21690  		v.reset(OpARM64PRFM)
 21691  		v.AuxInt = int64ToAuxInt(0)
 21692  		v.AddArg2(addr, mem)
 21693  		return true
 21694  	}
 21695  }
 21696  func rewriteValueARM64_OpPrefetchCacheStreamed(v *Value) bool {
 21697  	v_1 := v.Args[1]
 21698  	v_0 := v.Args[0]
 21699  	// match: (PrefetchCacheStreamed addr mem)
 21700  	// result: (PRFM [1] addr mem)
 21701  	for {
 21702  		addr := v_0
 21703  		mem := v_1
 21704  		v.reset(OpARM64PRFM)
 21705  		v.AuxInt = int64ToAuxInt(1)
 21706  		v.AddArg2(addr, mem)
 21707  		return true
 21708  	}
 21709  }
 21710  func rewriteValueARM64_OpPubBarrier(v *Value) bool {
 21711  	v_0 := v.Args[0]
 21712  	// match: (PubBarrier mem)
 21713  	// result: (DMB [0xe] mem)
 21714  	for {
 21715  		mem := v_0
 21716  		v.reset(OpARM64DMB)
 21717  		v.AuxInt = int64ToAuxInt(0xe)
 21718  		v.AddArg(mem)
 21719  		return true
 21720  	}
 21721  }
 21722  func rewriteValueARM64_OpRotateLeft16(v *Value) bool {
 21723  	v_1 := v.Args[1]
 21724  	v_0 := v.Args[0]
 21725  	b := v.Block
 21726  	typ := &b.Func.Config.Types
 21727  	// match: (RotateLeft16 <t> x (MOVDconst [c]))
 21728  	// result: (Or16 (Lsh16x64 <t> x (MOVDconst [c&15])) (Rsh16Ux64 <t> x (MOVDconst [-c&15])))
 21729  	for {
 21730  		t := v.Type
 21731  		x := v_0
 21732  		if v_1.Op != OpARM64MOVDconst {
 21733  			break
 21734  		}
 21735  		c := auxIntToInt64(v_1.AuxInt)
 21736  		v.reset(OpOr16)
 21737  		v0 := b.NewValue0(v.Pos, OpLsh16x64, t)
 21738  		v1 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 21739  		v1.AuxInt = int64ToAuxInt(c & 15)
 21740  		v0.AddArg2(x, v1)
 21741  		v2 := b.NewValue0(v.Pos, OpRsh16Ux64, t)
 21742  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 21743  		v3.AuxInt = int64ToAuxInt(-c & 15)
 21744  		v2.AddArg2(x, v3)
 21745  		v.AddArg2(v0, v2)
 21746  		return true
 21747  	}
 21748  	// match: (RotateLeft16 <t> x y)
 21749  	// result: (RORW <t> (ORshiftLL <typ.UInt32> (ZeroExt16to32 x) (ZeroExt16to32 x) [16]) (NEG <typ.Int64> y))
 21750  	for {
 21751  		t := v.Type
 21752  		x := v_0
 21753  		y := v_1
 21754  		v.reset(OpARM64RORW)
 21755  		v.Type = t
 21756  		v0 := b.NewValue0(v.Pos, OpARM64ORshiftLL, typ.UInt32)
 21757  		v0.AuxInt = int64ToAuxInt(16)
 21758  		v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32)
 21759  		v1.AddArg(x)
 21760  		v0.AddArg2(v1, v1)
 21761  		v2 := b.NewValue0(v.Pos, OpARM64NEG, typ.Int64)
 21762  		v2.AddArg(y)
 21763  		v.AddArg2(v0, v2)
 21764  		return true
 21765  	}
 21766  }
 21767  func rewriteValueARM64_OpRotateLeft32(v *Value) bool {
 21768  	v_1 := v.Args[1]
 21769  	v_0 := v.Args[0]
 21770  	b := v.Block
 21771  	// match: (RotateLeft32 x y)
 21772  	// result: (RORW x (NEG <y.Type> y))
 21773  	for {
 21774  		x := v_0
 21775  		y := v_1
 21776  		v.reset(OpARM64RORW)
 21777  		v0 := b.NewValue0(v.Pos, OpARM64NEG, y.Type)
 21778  		v0.AddArg(y)
 21779  		v.AddArg2(x, v0)
 21780  		return true
 21781  	}
 21782  }
 21783  func rewriteValueARM64_OpRotateLeft64(v *Value) bool {
 21784  	v_1 := v.Args[1]
 21785  	v_0 := v.Args[0]
 21786  	b := v.Block
 21787  	// match: (RotateLeft64 x y)
 21788  	// result: (ROR x (NEG <y.Type> y))
 21789  	for {
 21790  		x := v_0
 21791  		y := v_1
 21792  		v.reset(OpARM64ROR)
 21793  		v0 := b.NewValue0(v.Pos, OpARM64NEG, y.Type)
 21794  		v0.AddArg(y)
 21795  		v.AddArg2(x, v0)
 21796  		return true
 21797  	}
 21798  }
 21799  func rewriteValueARM64_OpRotateLeft8(v *Value) bool {
 21800  	v_1 := v.Args[1]
 21801  	v_0 := v.Args[0]
 21802  	b := v.Block
 21803  	typ := &b.Func.Config.Types
 21804  	// match: (RotateLeft8 <t> x (MOVDconst [c]))
 21805  	// result: (Or8 (Lsh8x64 <t> x (MOVDconst [c&7])) (Rsh8Ux64 <t> x (MOVDconst [-c&7])))
 21806  	for {
 21807  		t := v.Type
 21808  		x := v_0
 21809  		if v_1.Op != OpARM64MOVDconst {
 21810  			break
 21811  		}
 21812  		c := auxIntToInt64(v_1.AuxInt)
 21813  		v.reset(OpOr8)
 21814  		v0 := b.NewValue0(v.Pos, OpLsh8x64, t)
 21815  		v1 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 21816  		v1.AuxInt = int64ToAuxInt(c & 7)
 21817  		v0.AddArg2(x, v1)
 21818  		v2 := b.NewValue0(v.Pos, OpRsh8Ux64, t)
 21819  		v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 21820  		v3.AuxInt = int64ToAuxInt(-c & 7)
 21821  		v2.AddArg2(x, v3)
 21822  		v.AddArg2(v0, v2)
 21823  		return true
 21824  	}
 21825  	// match: (RotateLeft8 <t> x y)
 21826  	// result: (OR <t> (SLL <t> x (ANDconst <typ.Int64> [7] y)) (SRL <t> (ZeroExt8to64 x) (ANDconst <typ.Int64> [7] (NEG <typ.Int64> y))))
 21827  	for {
 21828  		t := v.Type
 21829  		x := v_0
 21830  		y := v_1
 21831  		v.reset(OpARM64OR)
 21832  		v.Type = t
 21833  		v0 := b.NewValue0(v.Pos, OpARM64SLL, t)
 21834  		v1 := b.NewValue0(v.Pos, OpARM64ANDconst, typ.Int64)
 21835  		v1.AuxInt = int64ToAuxInt(7)
 21836  		v1.AddArg(y)
 21837  		v0.AddArg2(x, v1)
 21838  		v2 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21839  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 21840  		v3.AddArg(x)
 21841  		v4 := b.NewValue0(v.Pos, OpARM64ANDconst, typ.Int64)
 21842  		v4.AuxInt = int64ToAuxInt(7)
 21843  		v5 := b.NewValue0(v.Pos, OpARM64NEG, typ.Int64)
 21844  		v5.AddArg(y)
 21845  		v4.AddArg(v5)
 21846  		v2.AddArg2(v3, v4)
 21847  		v.AddArg2(v0, v2)
 21848  		return true
 21849  	}
 21850  }
 21851  func rewriteValueARM64_OpRsh16Ux16(v *Value) bool {
 21852  	v_1 := v.Args[1]
 21853  	v_0 := v.Args[0]
 21854  	b := v.Block
 21855  	typ := &b.Func.Config.Types
 21856  	// match: (Rsh16Ux16 <t> x y)
 21857  	// cond: shiftIsBounded(v)
 21858  	// result: (SRL <t> (ZeroExt16to64 x) y)
 21859  	for {
 21860  		t := v.Type
 21861  		x := v_0
 21862  		y := v_1
 21863  		if !(shiftIsBounded(v)) {
 21864  			break
 21865  		}
 21866  		v.reset(OpARM64SRL)
 21867  		v.Type = t
 21868  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21869  		v0.AddArg(x)
 21870  		v.AddArg2(v0, y)
 21871  		return true
 21872  	}
 21873  	// match: (Rsh16Ux16 <t> x y)
 21874  	// cond: !shiftIsBounded(v)
 21875  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt16to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 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(OpARM64CSEL)
 21884  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21885  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21886  		v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21887  		v1.AddArg(x)
 21888  		v0.AddArg2(v1, y)
 21889  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 21890  		v2.AuxInt = int64ToAuxInt(0)
 21891  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21892  		v3.AuxInt = int64ToAuxInt(64)
 21893  		v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21894  		v4.AddArg(y)
 21895  		v3.AddArg(v4)
 21896  		v.AddArg3(v0, v2, v3)
 21897  		return true
 21898  	}
 21899  	return false
 21900  }
 21901  func rewriteValueARM64_OpRsh16Ux32(v *Value) bool {
 21902  	v_1 := v.Args[1]
 21903  	v_0 := v.Args[0]
 21904  	b := v.Block
 21905  	typ := &b.Func.Config.Types
 21906  	// match: (Rsh16Ux32 <t> x y)
 21907  	// cond: shiftIsBounded(v)
 21908  	// result: (SRL <t> (ZeroExt16to64 x) y)
 21909  	for {
 21910  		t := v.Type
 21911  		x := v_0
 21912  		y := v_1
 21913  		if !(shiftIsBounded(v)) {
 21914  			break
 21915  		}
 21916  		v.reset(OpARM64SRL)
 21917  		v.Type = t
 21918  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21919  		v0.AddArg(x)
 21920  		v.AddArg2(v0, y)
 21921  		return true
 21922  	}
 21923  	// match: (Rsh16Ux32 <t> x y)
 21924  	// cond: !shiftIsBounded(v)
 21925  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt16to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y)))
 21926  	for {
 21927  		t := v.Type
 21928  		x := v_0
 21929  		y := v_1
 21930  		if !(!shiftIsBounded(v)) {
 21931  			break
 21932  		}
 21933  		v.reset(OpARM64CSEL)
 21934  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21935  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21936  		v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21937  		v1.AddArg(x)
 21938  		v0.AddArg2(v1, y)
 21939  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 21940  		v2.AuxInt = int64ToAuxInt(0)
 21941  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21942  		v3.AuxInt = int64ToAuxInt(64)
 21943  		v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 21944  		v4.AddArg(y)
 21945  		v3.AddArg(v4)
 21946  		v.AddArg3(v0, v2, v3)
 21947  		return true
 21948  	}
 21949  	return false
 21950  }
 21951  func rewriteValueARM64_OpRsh16Ux64(v *Value) bool {
 21952  	v_1 := v.Args[1]
 21953  	v_0 := v.Args[0]
 21954  	b := v.Block
 21955  	typ := &b.Func.Config.Types
 21956  	// match: (Rsh16Ux64 <t> x y)
 21957  	// cond: shiftIsBounded(v)
 21958  	// result: (SRL <t> (ZeroExt16to64 x) y)
 21959  	for {
 21960  		t := v.Type
 21961  		x := v_0
 21962  		y := v_1
 21963  		if !(shiftIsBounded(v)) {
 21964  			break
 21965  		}
 21966  		v.reset(OpARM64SRL)
 21967  		v.Type = t
 21968  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21969  		v0.AddArg(x)
 21970  		v.AddArg2(v0, y)
 21971  		return true
 21972  	}
 21973  	// match: (Rsh16Ux64 <t> x y)
 21974  	// cond: !shiftIsBounded(v)
 21975  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt16to64 x) y) (Const64 <t> [0]) (CMPconst [64] y))
 21976  	for {
 21977  		t := v.Type
 21978  		x := v_0
 21979  		y := v_1
 21980  		if !(!shiftIsBounded(v)) {
 21981  			break
 21982  		}
 21983  		v.reset(OpARM64CSEL)
 21984  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 21985  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 21986  		v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 21987  		v1.AddArg(x)
 21988  		v0.AddArg2(v1, y)
 21989  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 21990  		v2.AuxInt = int64ToAuxInt(0)
 21991  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 21992  		v3.AuxInt = int64ToAuxInt(64)
 21993  		v3.AddArg(y)
 21994  		v.AddArg3(v0, v2, v3)
 21995  		return true
 21996  	}
 21997  	return false
 21998  }
 21999  func rewriteValueARM64_OpRsh16Ux8(v *Value) bool {
 22000  	v_1 := v.Args[1]
 22001  	v_0 := v.Args[0]
 22002  	b := v.Block
 22003  	typ := &b.Func.Config.Types
 22004  	// match: (Rsh16Ux8 <t> x y)
 22005  	// cond: shiftIsBounded(v)
 22006  	// result: (SRL <t> (ZeroExt16to64 x) y)
 22007  	for {
 22008  		t := v.Type
 22009  		x := v_0
 22010  		y := v_1
 22011  		if !(shiftIsBounded(v)) {
 22012  			break
 22013  		}
 22014  		v.reset(OpARM64SRL)
 22015  		v.Type = t
 22016  		v0 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 22017  		v0.AddArg(x)
 22018  		v.AddArg2(v0, y)
 22019  		return true
 22020  	}
 22021  	// match: (Rsh16Ux8 <t> x y)
 22022  	// cond: !shiftIsBounded(v)
 22023  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt16to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y)))
 22024  	for {
 22025  		t := v.Type
 22026  		x := v_0
 22027  		y := v_1
 22028  		if !(!shiftIsBounded(v)) {
 22029  			break
 22030  		}
 22031  		v.reset(OpARM64CSEL)
 22032  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 22033  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 22034  		v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 22035  		v1.AddArg(x)
 22036  		v0.AddArg2(v1, y)
 22037  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 22038  		v2.AuxInt = int64ToAuxInt(0)
 22039  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22040  		v3.AuxInt = int64ToAuxInt(64)
 22041  		v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22042  		v4.AddArg(y)
 22043  		v3.AddArg(v4)
 22044  		v.AddArg3(v0, v2, v3)
 22045  		return true
 22046  	}
 22047  	return false
 22048  }
 22049  func rewriteValueARM64_OpRsh16x16(v *Value) bool {
 22050  	v_1 := v.Args[1]
 22051  	v_0 := v.Args[0]
 22052  	b := v.Block
 22053  	typ := &b.Func.Config.Types
 22054  	// match: (Rsh16x16 <t> x y)
 22055  	// cond: shiftIsBounded(v)
 22056  	// result: (SRA <t> (SignExt16to64 x) y)
 22057  	for {
 22058  		t := v.Type
 22059  		x := v_0
 22060  		y := v_1
 22061  		if !(shiftIsBounded(v)) {
 22062  			break
 22063  		}
 22064  		v.reset(OpARM64SRA)
 22065  		v.Type = t
 22066  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 22067  		v0.AddArg(x)
 22068  		v.AddArg2(v0, y)
 22069  		return true
 22070  	}
 22071  	// match: (Rsh16x16 x y)
 22072  	// cond: !shiftIsBounded(v)
 22073  	// result: (SRA (SignExt16to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt16to64 y))))
 22074  	for {
 22075  		x := v_0
 22076  		y := v_1
 22077  		if !(!shiftIsBounded(v)) {
 22078  			break
 22079  		}
 22080  		v.reset(OpARM64SRA)
 22081  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 22082  		v0.AddArg(x)
 22083  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22084  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 22085  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22086  		v2.AuxInt = int64ToAuxInt(63)
 22087  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22088  		v3.AuxInt = int64ToAuxInt(64)
 22089  		v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 22090  		v4.AddArg(y)
 22091  		v3.AddArg(v4)
 22092  		v1.AddArg3(y, v2, v3)
 22093  		v.AddArg2(v0, v1)
 22094  		return true
 22095  	}
 22096  	return false
 22097  }
 22098  func rewriteValueARM64_OpRsh16x32(v *Value) bool {
 22099  	v_1 := v.Args[1]
 22100  	v_0 := v.Args[0]
 22101  	b := v.Block
 22102  	typ := &b.Func.Config.Types
 22103  	// match: (Rsh16x32 <t> x y)
 22104  	// cond: shiftIsBounded(v)
 22105  	// result: (SRA <t> (SignExt16to64 x) y)
 22106  	for {
 22107  		t := v.Type
 22108  		x := v_0
 22109  		y := v_1
 22110  		if !(shiftIsBounded(v)) {
 22111  			break
 22112  		}
 22113  		v.reset(OpARM64SRA)
 22114  		v.Type = t
 22115  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 22116  		v0.AddArg(x)
 22117  		v.AddArg2(v0, y)
 22118  		return true
 22119  	}
 22120  	// match: (Rsh16x32 x y)
 22121  	// cond: !shiftIsBounded(v)
 22122  	// result: (SRA (SignExt16to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt32to64 y))))
 22123  	for {
 22124  		x := v_0
 22125  		y := v_1
 22126  		if !(!shiftIsBounded(v)) {
 22127  			break
 22128  		}
 22129  		v.reset(OpARM64SRA)
 22130  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 22131  		v0.AddArg(x)
 22132  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22133  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 22134  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22135  		v2.AuxInt = int64ToAuxInt(63)
 22136  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22137  		v3.AuxInt = int64ToAuxInt(64)
 22138  		v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22139  		v4.AddArg(y)
 22140  		v3.AddArg(v4)
 22141  		v1.AddArg3(y, v2, v3)
 22142  		v.AddArg2(v0, v1)
 22143  		return true
 22144  	}
 22145  	return false
 22146  }
 22147  func rewriteValueARM64_OpRsh16x64(v *Value) bool {
 22148  	v_1 := v.Args[1]
 22149  	v_0 := v.Args[0]
 22150  	b := v.Block
 22151  	typ := &b.Func.Config.Types
 22152  	// match: (Rsh16x64 <t> x y)
 22153  	// cond: shiftIsBounded(v)
 22154  	// result: (SRA <t> (SignExt16to64 x) y)
 22155  	for {
 22156  		t := v.Type
 22157  		x := v_0
 22158  		y := v_1
 22159  		if !(shiftIsBounded(v)) {
 22160  			break
 22161  		}
 22162  		v.reset(OpARM64SRA)
 22163  		v.Type = t
 22164  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 22165  		v0.AddArg(x)
 22166  		v.AddArg2(v0, y)
 22167  		return true
 22168  	}
 22169  	// match: (Rsh16x64 x y)
 22170  	// cond: !shiftIsBounded(v)
 22171  	// result: (SRA (SignExt16to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] y)))
 22172  	for {
 22173  		x := v_0
 22174  		y := v_1
 22175  		if !(!shiftIsBounded(v)) {
 22176  			break
 22177  		}
 22178  		v.reset(OpARM64SRA)
 22179  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 22180  		v0.AddArg(x)
 22181  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22182  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 22183  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22184  		v2.AuxInt = int64ToAuxInt(63)
 22185  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22186  		v3.AuxInt = int64ToAuxInt(64)
 22187  		v3.AddArg(y)
 22188  		v1.AddArg3(y, v2, v3)
 22189  		v.AddArg2(v0, v1)
 22190  		return true
 22191  	}
 22192  	return false
 22193  }
 22194  func rewriteValueARM64_OpRsh16x8(v *Value) bool {
 22195  	v_1 := v.Args[1]
 22196  	v_0 := v.Args[0]
 22197  	b := v.Block
 22198  	typ := &b.Func.Config.Types
 22199  	// match: (Rsh16x8 <t> x y)
 22200  	// cond: shiftIsBounded(v)
 22201  	// result: (SRA <t> (SignExt16to64 x) y)
 22202  	for {
 22203  		t := v.Type
 22204  		x := v_0
 22205  		y := v_1
 22206  		if !(shiftIsBounded(v)) {
 22207  			break
 22208  		}
 22209  		v.reset(OpARM64SRA)
 22210  		v.Type = t
 22211  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 22212  		v0.AddArg(x)
 22213  		v.AddArg2(v0, y)
 22214  		return true
 22215  	}
 22216  	// match: (Rsh16x8 x y)
 22217  	// cond: !shiftIsBounded(v)
 22218  	// result: (SRA (SignExt16to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt8to64 y))))
 22219  	for {
 22220  		x := v_0
 22221  		y := v_1
 22222  		if !(!shiftIsBounded(v)) {
 22223  			break
 22224  		}
 22225  		v.reset(OpARM64SRA)
 22226  		v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64)
 22227  		v0.AddArg(x)
 22228  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22229  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 22230  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22231  		v2.AuxInt = int64ToAuxInt(63)
 22232  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22233  		v3.AuxInt = int64ToAuxInt(64)
 22234  		v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22235  		v4.AddArg(y)
 22236  		v3.AddArg(v4)
 22237  		v1.AddArg3(y, v2, v3)
 22238  		v.AddArg2(v0, v1)
 22239  		return true
 22240  	}
 22241  	return false
 22242  }
 22243  func rewriteValueARM64_OpRsh32Ux16(v *Value) bool {
 22244  	v_1 := v.Args[1]
 22245  	v_0 := v.Args[0]
 22246  	b := v.Block
 22247  	typ := &b.Func.Config.Types
 22248  	// match: (Rsh32Ux16 <t> x y)
 22249  	// cond: shiftIsBounded(v)
 22250  	// result: (SRL <t> (ZeroExt32to64 x) y)
 22251  	for {
 22252  		t := v.Type
 22253  		x := v_0
 22254  		y := v_1
 22255  		if !(shiftIsBounded(v)) {
 22256  			break
 22257  		}
 22258  		v.reset(OpARM64SRL)
 22259  		v.Type = t
 22260  		v0 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22261  		v0.AddArg(x)
 22262  		v.AddArg2(v0, y)
 22263  		return true
 22264  	}
 22265  	// match: (Rsh32Ux16 <t> x y)
 22266  	// cond: !shiftIsBounded(v)
 22267  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt32to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y)))
 22268  	for {
 22269  		t := v.Type
 22270  		x := v_0
 22271  		y := v_1
 22272  		if !(!shiftIsBounded(v)) {
 22273  			break
 22274  		}
 22275  		v.reset(OpARM64CSEL)
 22276  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 22277  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 22278  		v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22279  		v1.AddArg(x)
 22280  		v0.AddArg2(v1, y)
 22281  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 22282  		v2.AuxInt = int64ToAuxInt(0)
 22283  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22284  		v3.AuxInt = int64ToAuxInt(64)
 22285  		v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 22286  		v4.AddArg(y)
 22287  		v3.AddArg(v4)
 22288  		v.AddArg3(v0, v2, v3)
 22289  		return true
 22290  	}
 22291  	return false
 22292  }
 22293  func rewriteValueARM64_OpRsh32Ux32(v *Value) bool {
 22294  	v_1 := v.Args[1]
 22295  	v_0 := v.Args[0]
 22296  	b := v.Block
 22297  	typ := &b.Func.Config.Types
 22298  	// match: (Rsh32Ux32 <t> x y)
 22299  	// cond: shiftIsBounded(v)
 22300  	// result: (SRL <t> (ZeroExt32to64 x) y)
 22301  	for {
 22302  		t := v.Type
 22303  		x := v_0
 22304  		y := v_1
 22305  		if !(shiftIsBounded(v)) {
 22306  			break
 22307  		}
 22308  		v.reset(OpARM64SRL)
 22309  		v.Type = t
 22310  		v0 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22311  		v0.AddArg(x)
 22312  		v.AddArg2(v0, y)
 22313  		return true
 22314  	}
 22315  	// match: (Rsh32Ux32 <t> x y)
 22316  	// cond: !shiftIsBounded(v)
 22317  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt32to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y)))
 22318  	for {
 22319  		t := v.Type
 22320  		x := v_0
 22321  		y := v_1
 22322  		if !(!shiftIsBounded(v)) {
 22323  			break
 22324  		}
 22325  		v.reset(OpARM64CSEL)
 22326  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 22327  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 22328  		v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22329  		v1.AddArg(x)
 22330  		v0.AddArg2(v1, y)
 22331  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 22332  		v2.AuxInt = int64ToAuxInt(0)
 22333  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22334  		v3.AuxInt = int64ToAuxInt(64)
 22335  		v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22336  		v4.AddArg(y)
 22337  		v3.AddArg(v4)
 22338  		v.AddArg3(v0, v2, v3)
 22339  		return true
 22340  	}
 22341  	return false
 22342  }
 22343  func rewriteValueARM64_OpRsh32Ux64(v *Value) bool {
 22344  	v_1 := v.Args[1]
 22345  	v_0 := v.Args[0]
 22346  	b := v.Block
 22347  	typ := &b.Func.Config.Types
 22348  	// match: (Rsh32Ux64 <t> x y)
 22349  	// cond: shiftIsBounded(v)
 22350  	// result: (SRL <t> (ZeroExt32to64 x) y)
 22351  	for {
 22352  		t := v.Type
 22353  		x := v_0
 22354  		y := v_1
 22355  		if !(shiftIsBounded(v)) {
 22356  			break
 22357  		}
 22358  		v.reset(OpARM64SRL)
 22359  		v.Type = t
 22360  		v0 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22361  		v0.AddArg(x)
 22362  		v.AddArg2(v0, y)
 22363  		return true
 22364  	}
 22365  	// match: (Rsh32Ux64 <t> x y)
 22366  	// cond: !shiftIsBounded(v)
 22367  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt32to64 x) y) (Const64 <t> [0]) (CMPconst [64] y))
 22368  	for {
 22369  		t := v.Type
 22370  		x := v_0
 22371  		y := v_1
 22372  		if !(!shiftIsBounded(v)) {
 22373  			break
 22374  		}
 22375  		v.reset(OpARM64CSEL)
 22376  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 22377  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 22378  		v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22379  		v1.AddArg(x)
 22380  		v0.AddArg2(v1, y)
 22381  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 22382  		v2.AuxInt = int64ToAuxInt(0)
 22383  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22384  		v3.AuxInt = int64ToAuxInt(64)
 22385  		v3.AddArg(y)
 22386  		v.AddArg3(v0, v2, v3)
 22387  		return true
 22388  	}
 22389  	return false
 22390  }
 22391  func rewriteValueARM64_OpRsh32Ux8(v *Value) bool {
 22392  	v_1 := v.Args[1]
 22393  	v_0 := v.Args[0]
 22394  	b := v.Block
 22395  	typ := &b.Func.Config.Types
 22396  	// match: (Rsh32Ux8 <t> x y)
 22397  	// cond: shiftIsBounded(v)
 22398  	// result: (SRL <t> (ZeroExt32to64 x) y)
 22399  	for {
 22400  		t := v.Type
 22401  		x := v_0
 22402  		y := v_1
 22403  		if !(shiftIsBounded(v)) {
 22404  			break
 22405  		}
 22406  		v.reset(OpARM64SRL)
 22407  		v.Type = t
 22408  		v0 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22409  		v0.AddArg(x)
 22410  		v.AddArg2(v0, y)
 22411  		return true
 22412  	}
 22413  	// match: (Rsh32Ux8 <t> x y)
 22414  	// cond: !shiftIsBounded(v)
 22415  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt32to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y)))
 22416  	for {
 22417  		t := v.Type
 22418  		x := v_0
 22419  		y := v_1
 22420  		if !(!shiftIsBounded(v)) {
 22421  			break
 22422  		}
 22423  		v.reset(OpARM64CSEL)
 22424  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 22425  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 22426  		v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22427  		v1.AddArg(x)
 22428  		v0.AddArg2(v1, y)
 22429  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 22430  		v2.AuxInt = int64ToAuxInt(0)
 22431  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22432  		v3.AuxInt = int64ToAuxInt(64)
 22433  		v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22434  		v4.AddArg(y)
 22435  		v3.AddArg(v4)
 22436  		v.AddArg3(v0, v2, v3)
 22437  		return true
 22438  	}
 22439  	return false
 22440  }
 22441  func rewriteValueARM64_OpRsh32x16(v *Value) bool {
 22442  	v_1 := v.Args[1]
 22443  	v_0 := v.Args[0]
 22444  	b := v.Block
 22445  	typ := &b.Func.Config.Types
 22446  	// match: (Rsh32x16 <t> x y)
 22447  	// cond: shiftIsBounded(v)
 22448  	// result: (SRA <t> (SignExt32to64 x) y)
 22449  	for {
 22450  		t := v.Type
 22451  		x := v_0
 22452  		y := v_1
 22453  		if !(shiftIsBounded(v)) {
 22454  			break
 22455  		}
 22456  		v.reset(OpARM64SRA)
 22457  		v.Type = t
 22458  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 22459  		v0.AddArg(x)
 22460  		v.AddArg2(v0, y)
 22461  		return true
 22462  	}
 22463  	// match: (Rsh32x16 x y)
 22464  	// cond: !shiftIsBounded(v)
 22465  	// result: (SRA (SignExt32to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt16to64 y))))
 22466  	for {
 22467  		x := v_0
 22468  		y := v_1
 22469  		if !(!shiftIsBounded(v)) {
 22470  			break
 22471  		}
 22472  		v.reset(OpARM64SRA)
 22473  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 22474  		v0.AddArg(x)
 22475  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22476  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 22477  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22478  		v2.AuxInt = int64ToAuxInt(63)
 22479  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22480  		v3.AuxInt = int64ToAuxInt(64)
 22481  		v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 22482  		v4.AddArg(y)
 22483  		v3.AddArg(v4)
 22484  		v1.AddArg3(y, v2, v3)
 22485  		v.AddArg2(v0, v1)
 22486  		return true
 22487  	}
 22488  	return false
 22489  }
 22490  func rewriteValueARM64_OpRsh32x32(v *Value) bool {
 22491  	v_1 := v.Args[1]
 22492  	v_0 := v.Args[0]
 22493  	b := v.Block
 22494  	typ := &b.Func.Config.Types
 22495  	// match: (Rsh32x32 <t> x y)
 22496  	// cond: shiftIsBounded(v)
 22497  	// result: (SRA <t> (SignExt32to64 x) y)
 22498  	for {
 22499  		t := v.Type
 22500  		x := v_0
 22501  		y := v_1
 22502  		if !(shiftIsBounded(v)) {
 22503  			break
 22504  		}
 22505  		v.reset(OpARM64SRA)
 22506  		v.Type = t
 22507  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 22508  		v0.AddArg(x)
 22509  		v.AddArg2(v0, y)
 22510  		return true
 22511  	}
 22512  	// match: (Rsh32x32 x y)
 22513  	// cond: !shiftIsBounded(v)
 22514  	// result: (SRA (SignExt32to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt32to64 y))))
 22515  	for {
 22516  		x := v_0
 22517  		y := v_1
 22518  		if !(!shiftIsBounded(v)) {
 22519  			break
 22520  		}
 22521  		v.reset(OpARM64SRA)
 22522  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 22523  		v0.AddArg(x)
 22524  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22525  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 22526  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22527  		v2.AuxInt = int64ToAuxInt(63)
 22528  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22529  		v3.AuxInt = int64ToAuxInt(64)
 22530  		v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22531  		v4.AddArg(y)
 22532  		v3.AddArg(v4)
 22533  		v1.AddArg3(y, v2, v3)
 22534  		v.AddArg2(v0, v1)
 22535  		return true
 22536  	}
 22537  	return false
 22538  }
 22539  func rewriteValueARM64_OpRsh32x64(v *Value) bool {
 22540  	v_1 := v.Args[1]
 22541  	v_0 := v.Args[0]
 22542  	b := v.Block
 22543  	typ := &b.Func.Config.Types
 22544  	// match: (Rsh32x64 <t> x y)
 22545  	// cond: shiftIsBounded(v)
 22546  	// result: (SRA <t> (SignExt32to64 x) y)
 22547  	for {
 22548  		t := v.Type
 22549  		x := v_0
 22550  		y := v_1
 22551  		if !(shiftIsBounded(v)) {
 22552  			break
 22553  		}
 22554  		v.reset(OpARM64SRA)
 22555  		v.Type = t
 22556  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 22557  		v0.AddArg(x)
 22558  		v.AddArg2(v0, y)
 22559  		return true
 22560  	}
 22561  	// match: (Rsh32x64 x y)
 22562  	// cond: !shiftIsBounded(v)
 22563  	// result: (SRA (SignExt32to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] y)))
 22564  	for {
 22565  		x := v_0
 22566  		y := v_1
 22567  		if !(!shiftIsBounded(v)) {
 22568  			break
 22569  		}
 22570  		v.reset(OpARM64SRA)
 22571  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 22572  		v0.AddArg(x)
 22573  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22574  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 22575  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22576  		v2.AuxInt = int64ToAuxInt(63)
 22577  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22578  		v3.AuxInt = int64ToAuxInt(64)
 22579  		v3.AddArg(y)
 22580  		v1.AddArg3(y, v2, v3)
 22581  		v.AddArg2(v0, v1)
 22582  		return true
 22583  	}
 22584  	return false
 22585  }
 22586  func rewriteValueARM64_OpRsh32x8(v *Value) bool {
 22587  	v_1 := v.Args[1]
 22588  	v_0 := v.Args[0]
 22589  	b := v.Block
 22590  	typ := &b.Func.Config.Types
 22591  	// match: (Rsh32x8 <t> x y)
 22592  	// cond: shiftIsBounded(v)
 22593  	// result: (SRA <t> (SignExt32to64 x) y)
 22594  	for {
 22595  		t := v.Type
 22596  		x := v_0
 22597  		y := v_1
 22598  		if !(shiftIsBounded(v)) {
 22599  			break
 22600  		}
 22601  		v.reset(OpARM64SRA)
 22602  		v.Type = t
 22603  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 22604  		v0.AddArg(x)
 22605  		v.AddArg2(v0, y)
 22606  		return true
 22607  	}
 22608  	// match: (Rsh32x8 x y)
 22609  	// cond: !shiftIsBounded(v)
 22610  	// result: (SRA (SignExt32to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt8to64 y))))
 22611  	for {
 22612  		x := v_0
 22613  		y := v_1
 22614  		if !(!shiftIsBounded(v)) {
 22615  			break
 22616  		}
 22617  		v.reset(OpARM64SRA)
 22618  		v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64)
 22619  		v0.AddArg(x)
 22620  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22621  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 22622  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22623  		v2.AuxInt = int64ToAuxInt(63)
 22624  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22625  		v3.AuxInt = int64ToAuxInt(64)
 22626  		v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22627  		v4.AddArg(y)
 22628  		v3.AddArg(v4)
 22629  		v1.AddArg3(y, v2, v3)
 22630  		v.AddArg2(v0, v1)
 22631  		return true
 22632  	}
 22633  	return false
 22634  }
 22635  func rewriteValueARM64_OpRsh64Ux16(v *Value) bool {
 22636  	v_1 := v.Args[1]
 22637  	v_0 := v.Args[0]
 22638  	b := v.Block
 22639  	typ := &b.Func.Config.Types
 22640  	// match: (Rsh64Ux16 <t> x y)
 22641  	// cond: shiftIsBounded(v)
 22642  	// result: (SRL <t> x y)
 22643  	for {
 22644  		t := v.Type
 22645  		x := v_0
 22646  		y := v_1
 22647  		if !(shiftIsBounded(v)) {
 22648  			break
 22649  		}
 22650  		v.reset(OpARM64SRL)
 22651  		v.Type = t
 22652  		v.AddArg2(x, y)
 22653  		return true
 22654  	}
 22655  	// match: (Rsh64Ux16 <t> x y)
 22656  	// cond: !shiftIsBounded(v)
 22657  	// result: (CSEL [OpARM64LessThanU] (SRL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y)))
 22658  	for {
 22659  		t := v.Type
 22660  		x := v_0
 22661  		y := v_1
 22662  		if !(!shiftIsBounded(v)) {
 22663  			break
 22664  		}
 22665  		v.reset(OpARM64CSEL)
 22666  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 22667  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 22668  		v0.AddArg2(x, y)
 22669  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 22670  		v1.AuxInt = int64ToAuxInt(0)
 22671  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22672  		v2.AuxInt = int64ToAuxInt(64)
 22673  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 22674  		v3.AddArg(y)
 22675  		v2.AddArg(v3)
 22676  		v.AddArg3(v0, v1, v2)
 22677  		return true
 22678  	}
 22679  	return false
 22680  }
 22681  func rewriteValueARM64_OpRsh64Ux32(v *Value) bool {
 22682  	v_1 := v.Args[1]
 22683  	v_0 := v.Args[0]
 22684  	b := v.Block
 22685  	typ := &b.Func.Config.Types
 22686  	// match: (Rsh64Ux32 <t> x y)
 22687  	// cond: shiftIsBounded(v)
 22688  	// result: (SRL <t> x y)
 22689  	for {
 22690  		t := v.Type
 22691  		x := v_0
 22692  		y := v_1
 22693  		if !(shiftIsBounded(v)) {
 22694  			break
 22695  		}
 22696  		v.reset(OpARM64SRL)
 22697  		v.Type = t
 22698  		v.AddArg2(x, y)
 22699  		return true
 22700  	}
 22701  	// match: (Rsh64Ux32 <t> x y)
 22702  	// cond: !shiftIsBounded(v)
 22703  	// result: (CSEL [OpARM64LessThanU] (SRL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y)))
 22704  	for {
 22705  		t := v.Type
 22706  		x := v_0
 22707  		y := v_1
 22708  		if !(!shiftIsBounded(v)) {
 22709  			break
 22710  		}
 22711  		v.reset(OpARM64CSEL)
 22712  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 22713  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 22714  		v0.AddArg2(x, y)
 22715  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 22716  		v1.AuxInt = int64ToAuxInt(0)
 22717  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22718  		v2.AuxInt = int64ToAuxInt(64)
 22719  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22720  		v3.AddArg(y)
 22721  		v2.AddArg(v3)
 22722  		v.AddArg3(v0, v1, v2)
 22723  		return true
 22724  	}
 22725  	return false
 22726  }
 22727  func rewriteValueARM64_OpRsh64Ux64(v *Value) bool {
 22728  	v_1 := v.Args[1]
 22729  	v_0 := v.Args[0]
 22730  	b := v.Block
 22731  	// match: (Rsh64Ux64 <t> x y)
 22732  	// cond: shiftIsBounded(v)
 22733  	// result: (SRL <t> x y)
 22734  	for {
 22735  		t := v.Type
 22736  		x := v_0
 22737  		y := v_1
 22738  		if !(shiftIsBounded(v)) {
 22739  			break
 22740  		}
 22741  		v.reset(OpARM64SRL)
 22742  		v.Type = t
 22743  		v.AddArg2(x, y)
 22744  		return true
 22745  	}
 22746  	// match: (Rsh64Ux64 <t> x y)
 22747  	// cond: !shiftIsBounded(v)
 22748  	// result: (CSEL [OpARM64LessThanU] (SRL <t> x y) (Const64 <t> [0]) (CMPconst [64] y))
 22749  	for {
 22750  		t := v.Type
 22751  		x := v_0
 22752  		y := v_1
 22753  		if !(!shiftIsBounded(v)) {
 22754  			break
 22755  		}
 22756  		v.reset(OpARM64CSEL)
 22757  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 22758  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 22759  		v0.AddArg2(x, y)
 22760  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 22761  		v1.AuxInt = int64ToAuxInt(0)
 22762  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22763  		v2.AuxInt = int64ToAuxInt(64)
 22764  		v2.AddArg(y)
 22765  		v.AddArg3(v0, v1, v2)
 22766  		return true
 22767  	}
 22768  	return false
 22769  }
 22770  func rewriteValueARM64_OpRsh64Ux8(v *Value) bool {
 22771  	v_1 := v.Args[1]
 22772  	v_0 := v.Args[0]
 22773  	b := v.Block
 22774  	typ := &b.Func.Config.Types
 22775  	// match: (Rsh64Ux8 <t> x y)
 22776  	// cond: shiftIsBounded(v)
 22777  	// result: (SRL <t> x y)
 22778  	for {
 22779  		t := v.Type
 22780  		x := v_0
 22781  		y := v_1
 22782  		if !(shiftIsBounded(v)) {
 22783  			break
 22784  		}
 22785  		v.reset(OpARM64SRL)
 22786  		v.Type = t
 22787  		v.AddArg2(x, y)
 22788  		return true
 22789  	}
 22790  	// match: (Rsh64Ux8 <t> x y)
 22791  	// cond: !shiftIsBounded(v)
 22792  	// result: (CSEL [OpARM64LessThanU] (SRL <t> x y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y)))
 22793  	for {
 22794  		t := v.Type
 22795  		x := v_0
 22796  		y := v_1
 22797  		if !(!shiftIsBounded(v)) {
 22798  			break
 22799  		}
 22800  		v.reset(OpARM64CSEL)
 22801  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 22802  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 22803  		v0.AddArg2(x, y)
 22804  		v1 := b.NewValue0(v.Pos, OpConst64, t)
 22805  		v1.AuxInt = int64ToAuxInt(0)
 22806  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22807  		v2.AuxInt = int64ToAuxInt(64)
 22808  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22809  		v3.AddArg(y)
 22810  		v2.AddArg(v3)
 22811  		v.AddArg3(v0, v1, v2)
 22812  		return true
 22813  	}
 22814  	return false
 22815  }
 22816  func rewriteValueARM64_OpRsh64x16(v *Value) bool {
 22817  	v_1 := v.Args[1]
 22818  	v_0 := v.Args[0]
 22819  	b := v.Block
 22820  	typ := &b.Func.Config.Types
 22821  	// match: (Rsh64x16 <t> x y)
 22822  	// cond: shiftIsBounded(v)
 22823  	// result: (SRA <t> x y)
 22824  	for {
 22825  		t := v.Type
 22826  		x := v_0
 22827  		y := v_1
 22828  		if !(shiftIsBounded(v)) {
 22829  			break
 22830  		}
 22831  		v.reset(OpARM64SRA)
 22832  		v.Type = t
 22833  		v.AddArg2(x, y)
 22834  		return true
 22835  	}
 22836  	// match: (Rsh64x16 x y)
 22837  	// cond: !shiftIsBounded(v)
 22838  	// result: (SRA x (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt16to64 y))))
 22839  	for {
 22840  		x := v_0
 22841  		y := v_1
 22842  		if !(!shiftIsBounded(v)) {
 22843  			break
 22844  		}
 22845  		v.reset(OpARM64SRA)
 22846  		v0 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22847  		v0.AuxInt = opToAuxInt(OpARM64LessThanU)
 22848  		v1 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22849  		v1.AuxInt = int64ToAuxInt(63)
 22850  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22851  		v2.AuxInt = int64ToAuxInt(64)
 22852  		v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 22853  		v3.AddArg(y)
 22854  		v2.AddArg(v3)
 22855  		v0.AddArg3(y, v1, v2)
 22856  		v.AddArg2(x, v0)
 22857  		return true
 22858  	}
 22859  	return false
 22860  }
 22861  func rewriteValueARM64_OpRsh64x32(v *Value) bool {
 22862  	v_1 := v.Args[1]
 22863  	v_0 := v.Args[0]
 22864  	b := v.Block
 22865  	typ := &b.Func.Config.Types
 22866  	// match: (Rsh64x32 <t> x y)
 22867  	// cond: shiftIsBounded(v)
 22868  	// result: (SRA <t> x y)
 22869  	for {
 22870  		t := v.Type
 22871  		x := v_0
 22872  		y := v_1
 22873  		if !(shiftIsBounded(v)) {
 22874  			break
 22875  		}
 22876  		v.reset(OpARM64SRA)
 22877  		v.Type = t
 22878  		v.AddArg2(x, y)
 22879  		return true
 22880  	}
 22881  	// match: (Rsh64x32 x y)
 22882  	// cond: !shiftIsBounded(v)
 22883  	// result: (SRA x (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt32to64 y))))
 22884  	for {
 22885  		x := v_0
 22886  		y := v_1
 22887  		if !(!shiftIsBounded(v)) {
 22888  			break
 22889  		}
 22890  		v.reset(OpARM64SRA)
 22891  		v0 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22892  		v0.AuxInt = opToAuxInt(OpARM64LessThanU)
 22893  		v1 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22894  		v1.AuxInt = int64ToAuxInt(63)
 22895  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22896  		v2.AuxInt = int64ToAuxInt(64)
 22897  		v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 22898  		v3.AddArg(y)
 22899  		v2.AddArg(v3)
 22900  		v0.AddArg3(y, v1, v2)
 22901  		v.AddArg2(x, v0)
 22902  		return true
 22903  	}
 22904  	return false
 22905  }
 22906  func rewriteValueARM64_OpRsh64x64(v *Value) bool {
 22907  	v_1 := v.Args[1]
 22908  	v_0 := v.Args[0]
 22909  	b := v.Block
 22910  	// match: (Rsh64x64 <t> x y)
 22911  	// cond: shiftIsBounded(v)
 22912  	// result: (SRA <t> x y)
 22913  	for {
 22914  		t := v.Type
 22915  		x := v_0
 22916  		y := v_1
 22917  		if !(shiftIsBounded(v)) {
 22918  			break
 22919  		}
 22920  		v.reset(OpARM64SRA)
 22921  		v.Type = t
 22922  		v.AddArg2(x, y)
 22923  		return true
 22924  	}
 22925  	// match: (Rsh64x64 x y)
 22926  	// cond: !shiftIsBounded(v)
 22927  	// result: (SRA x (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] y)))
 22928  	for {
 22929  		x := v_0
 22930  		y := v_1
 22931  		if !(!shiftIsBounded(v)) {
 22932  			break
 22933  		}
 22934  		v.reset(OpARM64SRA)
 22935  		v0 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22936  		v0.AuxInt = opToAuxInt(OpARM64LessThanU)
 22937  		v1 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22938  		v1.AuxInt = int64ToAuxInt(63)
 22939  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22940  		v2.AuxInt = int64ToAuxInt(64)
 22941  		v2.AddArg(y)
 22942  		v0.AddArg3(y, v1, v2)
 22943  		v.AddArg2(x, v0)
 22944  		return true
 22945  	}
 22946  	return false
 22947  }
 22948  func rewriteValueARM64_OpRsh64x8(v *Value) bool {
 22949  	v_1 := v.Args[1]
 22950  	v_0 := v.Args[0]
 22951  	b := v.Block
 22952  	typ := &b.Func.Config.Types
 22953  	// match: (Rsh64x8 <t> x y)
 22954  	// cond: shiftIsBounded(v)
 22955  	// result: (SRA <t> x y)
 22956  	for {
 22957  		t := v.Type
 22958  		x := v_0
 22959  		y := v_1
 22960  		if !(shiftIsBounded(v)) {
 22961  			break
 22962  		}
 22963  		v.reset(OpARM64SRA)
 22964  		v.Type = t
 22965  		v.AddArg2(x, y)
 22966  		return true
 22967  	}
 22968  	// match: (Rsh64x8 x y)
 22969  	// cond: !shiftIsBounded(v)
 22970  	// result: (SRA x (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt8to64 y))))
 22971  	for {
 22972  		x := v_0
 22973  		y := v_1
 22974  		if !(!shiftIsBounded(v)) {
 22975  			break
 22976  		}
 22977  		v.reset(OpARM64SRA)
 22978  		v0 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 22979  		v0.AuxInt = opToAuxInt(OpARM64LessThanU)
 22980  		v1 := b.NewValue0(v.Pos, OpConst64, y.Type)
 22981  		v1.AuxInt = int64ToAuxInt(63)
 22982  		v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 22983  		v2.AuxInt = int64ToAuxInt(64)
 22984  		v3 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 22985  		v3.AddArg(y)
 22986  		v2.AddArg(v3)
 22987  		v0.AddArg3(y, v1, v2)
 22988  		v.AddArg2(x, v0)
 22989  		return true
 22990  	}
 22991  	return false
 22992  }
 22993  func rewriteValueARM64_OpRsh8Ux16(v *Value) bool {
 22994  	v_1 := v.Args[1]
 22995  	v_0 := v.Args[0]
 22996  	b := v.Block
 22997  	typ := &b.Func.Config.Types
 22998  	// match: (Rsh8Ux16 <t> x y)
 22999  	// cond: shiftIsBounded(v)
 23000  	// result: (SRL <t> (ZeroExt8to64 x) y)
 23001  	for {
 23002  		t := v.Type
 23003  		x := v_0
 23004  		y := v_1
 23005  		if !(shiftIsBounded(v)) {
 23006  			break
 23007  		}
 23008  		v.reset(OpARM64SRL)
 23009  		v.Type = t
 23010  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 23011  		v0.AddArg(x)
 23012  		v.AddArg2(v0, y)
 23013  		return true
 23014  	}
 23015  	// match: (Rsh8Ux16 <t> x y)
 23016  	// cond: !shiftIsBounded(v)
 23017  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt8to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y)))
 23018  	for {
 23019  		t := v.Type
 23020  		x := v_0
 23021  		y := v_1
 23022  		if !(!shiftIsBounded(v)) {
 23023  			break
 23024  		}
 23025  		v.reset(OpARM64CSEL)
 23026  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 23027  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 23028  		v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 23029  		v1.AddArg(x)
 23030  		v0.AddArg2(v1, y)
 23031  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 23032  		v2.AuxInt = int64ToAuxInt(0)
 23033  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23034  		v3.AuxInt = int64ToAuxInt(64)
 23035  		v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 23036  		v4.AddArg(y)
 23037  		v3.AddArg(v4)
 23038  		v.AddArg3(v0, v2, v3)
 23039  		return true
 23040  	}
 23041  	return false
 23042  }
 23043  func rewriteValueARM64_OpRsh8Ux32(v *Value) bool {
 23044  	v_1 := v.Args[1]
 23045  	v_0 := v.Args[0]
 23046  	b := v.Block
 23047  	typ := &b.Func.Config.Types
 23048  	// match: (Rsh8Ux32 <t> x y)
 23049  	// cond: shiftIsBounded(v)
 23050  	// result: (SRL <t> (ZeroExt8to64 x) y)
 23051  	for {
 23052  		t := v.Type
 23053  		x := v_0
 23054  		y := v_1
 23055  		if !(shiftIsBounded(v)) {
 23056  			break
 23057  		}
 23058  		v.reset(OpARM64SRL)
 23059  		v.Type = t
 23060  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 23061  		v0.AddArg(x)
 23062  		v.AddArg2(v0, y)
 23063  		return true
 23064  	}
 23065  	// match: (Rsh8Ux32 <t> x y)
 23066  	// cond: !shiftIsBounded(v)
 23067  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt8to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y)))
 23068  	for {
 23069  		t := v.Type
 23070  		x := v_0
 23071  		y := v_1
 23072  		if !(!shiftIsBounded(v)) {
 23073  			break
 23074  		}
 23075  		v.reset(OpARM64CSEL)
 23076  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 23077  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 23078  		v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 23079  		v1.AddArg(x)
 23080  		v0.AddArg2(v1, y)
 23081  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 23082  		v2.AuxInt = int64ToAuxInt(0)
 23083  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23084  		v3.AuxInt = int64ToAuxInt(64)
 23085  		v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 23086  		v4.AddArg(y)
 23087  		v3.AddArg(v4)
 23088  		v.AddArg3(v0, v2, v3)
 23089  		return true
 23090  	}
 23091  	return false
 23092  }
 23093  func rewriteValueARM64_OpRsh8Ux64(v *Value) bool {
 23094  	v_1 := v.Args[1]
 23095  	v_0 := v.Args[0]
 23096  	b := v.Block
 23097  	typ := &b.Func.Config.Types
 23098  	// match: (Rsh8Ux64 <t> x y)
 23099  	// cond: shiftIsBounded(v)
 23100  	// result: (SRL <t> (ZeroExt8to64 x) y)
 23101  	for {
 23102  		t := v.Type
 23103  		x := v_0
 23104  		y := v_1
 23105  		if !(shiftIsBounded(v)) {
 23106  			break
 23107  		}
 23108  		v.reset(OpARM64SRL)
 23109  		v.Type = t
 23110  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 23111  		v0.AddArg(x)
 23112  		v.AddArg2(v0, y)
 23113  		return true
 23114  	}
 23115  	// match: (Rsh8Ux64 <t> x y)
 23116  	// cond: !shiftIsBounded(v)
 23117  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt8to64 x) y) (Const64 <t> [0]) (CMPconst [64] y))
 23118  	for {
 23119  		t := v.Type
 23120  		x := v_0
 23121  		y := v_1
 23122  		if !(!shiftIsBounded(v)) {
 23123  			break
 23124  		}
 23125  		v.reset(OpARM64CSEL)
 23126  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 23127  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 23128  		v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 23129  		v1.AddArg(x)
 23130  		v0.AddArg2(v1, y)
 23131  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 23132  		v2.AuxInt = int64ToAuxInt(0)
 23133  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23134  		v3.AuxInt = int64ToAuxInt(64)
 23135  		v3.AddArg(y)
 23136  		v.AddArg3(v0, v2, v3)
 23137  		return true
 23138  	}
 23139  	return false
 23140  }
 23141  func rewriteValueARM64_OpRsh8Ux8(v *Value) bool {
 23142  	v_1 := v.Args[1]
 23143  	v_0 := v.Args[0]
 23144  	b := v.Block
 23145  	typ := &b.Func.Config.Types
 23146  	// match: (Rsh8Ux8 <t> x y)
 23147  	// cond: shiftIsBounded(v)
 23148  	// result: (SRL <t> (ZeroExt8to64 x) y)
 23149  	for {
 23150  		t := v.Type
 23151  		x := v_0
 23152  		y := v_1
 23153  		if !(shiftIsBounded(v)) {
 23154  			break
 23155  		}
 23156  		v.reset(OpARM64SRL)
 23157  		v.Type = t
 23158  		v0 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 23159  		v0.AddArg(x)
 23160  		v.AddArg2(v0, y)
 23161  		return true
 23162  	}
 23163  	// match: (Rsh8Ux8 <t> x y)
 23164  	// cond: !shiftIsBounded(v)
 23165  	// result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt8to64 x) y) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y)))
 23166  	for {
 23167  		t := v.Type
 23168  		x := v_0
 23169  		y := v_1
 23170  		if !(!shiftIsBounded(v)) {
 23171  			break
 23172  		}
 23173  		v.reset(OpARM64CSEL)
 23174  		v.AuxInt = opToAuxInt(OpARM64LessThanU)
 23175  		v0 := b.NewValue0(v.Pos, OpARM64SRL, t)
 23176  		v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 23177  		v1.AddArg(x)
 23178  		v0.AddArg2(v1, y)
 23179  		v2 := b.NewValue0(v.Pos, OpConst64, t)
 23180  		v2.AuxInt = int64ToAuxInt(0)
 23181  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23182  		v3.AuxInt = int64ToAuxInt(64)
 23183  		v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 23184  		v4.AddArg(y)
 23185  		v3.AddArg(v4)
 23186  		v.AddArg3(v0, v2, v3)
 23187  		return true
 23188  	}
 23189  	return false
 23190  }
 23191  func rewriteValueARM64_OpRsh8x16(v *Value) bool {
 23192  	v_1 := v.Args[1]
 23193  	v_0 := v.Args[0]
 23194  	b := v.Block
 23195  	typ := &b.Func.Config.Types
 23196  	// match: (Rsh8x16 <t> x y)
 23197  	// cond: shiftIsBounded(v)
 23198  	// result: (SRA <t> (SignExt8to64 x) y)
 23199  	for {
 23200  		t := v.Type
 23201  		x := v_0
 23202  		y := v_1
 23203  		if !(shiftIsBounded(v)) {
 23204  			break
 23205  		}
 23206  		v.reset(OpARM64SRA)
 23207  		v.Type = t
 23208  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 23209  		v0.AddArg(x)
 23210  		v.AddArg2(v0, y)
 23211  		return true
 23212  	}
 23213  	// match: (Rsh8x16 x y)
 23214  	// cond: !shiftIsBounded(v)
 23215  	// result: (SRA (SignExt8to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt16to64 y))))
 23216  	for {
 23217  		x := v_0
 23218  		y := v_1
 23219  		if !(!shiftIsBounded(v)) {
 23220  			break
 23221  		}
 23222  		v.reset(OpARM64SRA)
 23223  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 23224  		v0.AddArg(x)
 23225  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 23226  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 23227  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 23228  		v2.AuxInt = int64ToAuxInt(63)
 23229  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23230  		v3.AuxInt = int64ToAuxInt(64)
 23231  		v4 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64)
 23232  		v4.AddArg(y)
 23233  		v3.AddArg(v4)
 23234  		v1.AddArg3(y, v2, v3)
 23235  		v.AddArg2(v0, v1)
 23236  		return true
 23237  	}
 23238  	return false
 23239  }
 23240  func rewriteValueARM64_OpRsh8x32(v *Value) bool {
 23241  	v_1 := v.Args[1]
 23242  	v_0 := v.Args[0]
 23243  	b := v.Block
 23244  	typ := &b.Func.Config.Types
 23245  	// match: (Rsh8x32 <t> x y)
 23246  	// cond: shiftIsBounded(v)
 23247  	// result: (SRA <t> (SignExt8to64 x) y)
 23248  	for {
 23249  		t := v.Type
 23250  		x := v_0
 23251  		y := v_1
 23252  		if !(shiftIsBounded(v)) {
 23253  			break
 23254  		}
 23255  		v.reset(OpARM64SRA)
 23256  		v.Type = t
 23257  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 23258  		v0.AddArg(x)
 23259  		v.AddArg2(v0, y)
 23260  		return true
 23261  	}
 23262  	// match: (Rsh8x32 x y)
 23263  	// cond: !shiftIsBounded(v)
 23264  	// result: (SRA (SignExt8to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt32to64 y))))
 23265  	for {
 23266  		x := v_0
 23267  		y := v_1
 23268  		if !(!shiftIsBounded(v)) {
 23269  			break
 23270  		}
 23271  		v.reset(OpARM64SRA)
 23272  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 23273  		v0.AddArg(x)
 23274  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 23275  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 23276  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 23277  		v2.AuxInt = int64ToAuxInt(63)
 23278  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23279  		v3.AuxInt = int64ToAuxInt(64)
 23280  		v4 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64)
 23281  		v4.AddArg(y)
 23282  		v3.AddArg(v4)
 23283  		v1.AddArg3(y, v2, v3)
 23284  		v.AddArg2(v0, v1)
 23285  		return true
 23286  	}
 23287  	return false
 23288  }
 23289  func rewriteValueARM64_OpRsh8x64(v *Value) bool {
 23290  	v_1 := v.Args[1]
 23291  	v_0 := v.Args[0]
 23292  	b := v.Block
 23293  	typ := &b.Func.Config.Types
 23294  	// match: (Rsh8x64 <t> x y)
 23295  	// cond: shiftIsBounded(v)
 23296  	// result: (SRA <t> (SignExt8to64 x) y)
 23297  	for {
 23298  		t := v.Type
 23299  		x := v_0
 23300  		y := v_1
 23301  		if !(shiftIsBounded(v)) {
 23302  			break
 23303  		}
 23304  		v.reset(OpARM64SRA)
 23305  		v.Type = t
 23306  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 23307  		v0.AddArg(x)
 23308  		v.AddArg2(v0, y)
 23309  		return true
 23310  	}
 23311  	// match: (Rsh8x64 x y)
 23312  	// cond: !shiftIsBounded(v)
 23313  	// result: (SRA (SignExt8to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] y)))
 23314  	for {
 23315  		x := v_0
 23316  		y := v_1
 23317  		if !(!shiftIsBounded(v)) {
 23318  			break
 23319  		}
 23320  		v.reset(OpARM64SRA)
 23321  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 23322  		v0.AddArg(x)
 23323  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 23324  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 23325  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 23326  		v2.AuxInt = int64ToAuxInt(63)
 23327  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23328  		v3.AuxInt = int64ToAuxInt(64)
 23329  		v3.AddArg(y)
 23330  		v1.AddArg3(y, v2, v3)
 23331  		v.AddArg2(v0, v1)
 23332  		return true
 23333  	}
 23334  	return false
 23335  }
 23336  func rewriteValueARM64_OpRsh8x8(v *Value) bool {
 23337  	v_1 := v.Args[1]
 23338  	v_0 := v.Args[0]
 23339  	b := v.Block
 23340  	typ := &b.Func.Config.Types
 23341  	// match: (Rsh8x8 <t> x y)
 23342  	// cond: shiftIsBounded(v)
 23343  	// result: (SRA <t> (SignExt8to64 x) y)
 23344  	for {
 23345  		t := v.Type
 23346  		x := v_0
 23347  		y := v_1
 23348  		if !(shiftIsBounded(v)) {
 23349  			break
 23350  		}
 23351  		v.reset(OpARM64SRA)
 23352  		v.Type = t
 23353  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 23354  		v0.AddArg(x)
 23355  		v.AddArg2(v0, y)
 23356  		return true
 23357  	}
 23358  	// match: (Rsh8x8 x y)
 23359  	// cond: !shiftIsBounded(v)
 23360  	// result: (SRA (SignExt8to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt8to64 y))))
 23361  	for {
 23362  		x := v_0
 23363  		y := v_1
 23364  		if !(!shiftIsBounded(v)) {
 23365  			break
 23366  		}
 23367  		v.reset(OpARM64SRA)
 23368  		v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64)
 23369  		v0.AddArg(x)
 23370  		v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type)
 23371  		v1.AuxInt = opToAuxInt(OpARM64LessThanU)
 23372  		v2 := b.NewValue0(v.Pos, OpConst64, y.Type)
 23373  		v2.AuxInt = int64ToAuxInt(63)
 23374  		v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23375  		v3.AuxInt = int64ToAuxInt(64)
 23376  		v4 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64)
 23377  		v4.AddArg(y)
 23378  		v3.AddArg(v4)
 23379  		v1.AddArg3(y, v2, v3)
 23380  		v.AddArg2(v0, v1)
 23381  		return true
 23382  	}
 23383  	return false
 23384  }
 23385  func rewriteValueARM64_OpSelect0(v *Value) bool {
 23386  	v_0 := v.Args[0]
 23387  	b := v.Block
 23388  	typ := &b.Func.Config.Types
 23389  	// match: (Select0 (Mul64uhilo x y))
 23390  	// result: (UMULH x y)
 23391  	for {
 23392  		if v_0.Op != OpMul64uhilo {
 23393  			break
 23394  		}
 23395  		y := v_0.Args[1]
 23396  		x := v_0.Args[0]
 23397  		v.reset(OpARM64UMULH)
 23398  		v.AddArg2(x, y)
 23399  		return true
 23400  	}
 23401  	// match: (Select0 (Add64carry x y c))
 23402  	// result: (Select0 <typ.UInt64> (ADCSflags x y (Select1 <types.TypeFlags> (ADDSconstflags [-1] c))))
 23403  	for {
 23404  		if v_0.Op != OpAdd64carry {
 23405  			break
 23406  		}
 23407  		c := v_0.Args[2]
 23408  		x := v_0.Args[0]
 23409  		y := v_0.Args[1]
 23410  		v.reset(OpSelect0)
 23411  		v.Type = typ.UInt64
 23412  		v0 := b.NewValue0(v.Pos, OpARM64ADCSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 23413  		v1 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 23414  		v2 := b.NewValue0(v.Pos, OpARM64ADDSconstflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 23415  		v2.AuxInt = int64ToAuxInt(-1)
 23416  		v2.AddArg(c)
 23417  		v1.AddArg(v2)
 23418  		v0.AddArg3(x, y, v1)
 23419  		v.AddArg(v0)
 23420  		return true
 23421  	}
 23422  	// match: (Select0 (Sub64borrow x y bo))
 23423  	// result: (Select0 <typ.UInt64> (SBCSflags x y (Select1 <types.TypeFlags> (NEGSflags bo))))
 23424  	for {
 23425  		if v_0.Op != OpSub64borrow {
 23426  			break
 23427  		}
 23428  		bo := v_0.Args[2]
 23429  		x := v_0.Args[0]
 23430  		y := v_0.Args[1]
 23431  		v.reset(OpSelect0)
 23432  		v.Type = typ.UInt64
 23433  		v0 := b.NewValue0(v.Pos, OpARM64SBCSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 23434  		v1 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 23435  		v2 := b.NewValue0(v.Pos, OpARM64NEGSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 23436  		v2.AddArg(bo)
 23437  		v1.AddArg(v2)
 23438  		v0.AddArg3(x, y, v1)
 23439  		v.AddArg(v0)
 23440  		return true
 23441  	}
 23442  	// match: (Select0 (Mul64uover x y))
 23443  	// result: (MUL x y)
 23444  	for {
 23445  		if v_0.Op != OpMul64uover {
 23446  			break
 23447  		}
 23448  		y := v_0.Args[1]
 23449  		x := v_0.Args[0]
 23450  		v.reset(OpARM64MUL)
 23451  		v.AddArg2(x, y)
 23452  		return true
 23453  	}
 23454  	return false
 23455  }
 23456  func rewriteValueARM64_OpSelect1(v *Value) bool {
 23457  	v_0 := v.Args[0]
 23458  	b := v.Block
 23459  	typ := &b.Func.Config.Types
 23460  	// match: (Select1 (Mul64uhilo x y))
 23461  	// result: (MUL x y)
 23462  	for {
 23463  		if v_0.Op != OpMul64uhilo {
 23464  			break
 23465  		}
 23466  		y := v_0.Args[1]
 23467  		x := v_0.Args[0]
 23468  		v.reset(OpARM64MUL)
 23469  		v.AddArg2(x, y)
 23470  		return true
 23471  	}
 23472  	// match: (Select1 (Add64carry x y c))
 23473  	// result: (ADCzerocarry <typ.UInt64> (Select1 <types.TypeFlags> (ADCSflags x y (Select1 <types.TypeFlags> (ADDSconstflags [-1] c)))))
 23474  	for {
 23475  		if v_0.Op != OpAdd64carry {
 23476  			break
 23477  		}
 23478  		c := v_0.Args[2]
 23479  		x := v_0.Args[0]
 23480  		y := v_0.Args[1]
 23481  		v.reset(OpARM64ADCzerocarry)
 23482  		v.Type = typ.UInt64
 23483  		v0 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 23484  		v1 := b.NewValue0(v.Pos, OpARM64ADCSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 23485  		v2 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 23486  		v3 := b.NewValue0(v.Pos, OpARM64ADDSconstflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 23487  		v3.AuxInt = int64ToAuxInt(-1)
 23488  		v3.AddArg(c)
 23489  		v2.AddArg(v3)
 23490  		v1.AddArg3(x, y, v2)
 23491  		v0.AddArg(v1)
 23492  		v.AddArg(v0)
 23493  		return true
 23494  	}
 23495  	// match: (Select1 (Sub64borrow x y bo))
 23496  	// result: (NEG <typ.UInt64> (NGCzerocarry <typ.UInt64> (Select1 <types.TypeFlags> (SBCSflags x y (Select1 <types.TypeFlags> (NEGSflags bo))))))
 23497  	for {
 23498  		if v_0.Op != OpSub64borrow {
 23499  			break
 23500  		}
 23501  		bo := v_0.Args[2]
 23502  		x := v_0.Args[0]
 23503  		y := v_0.Args[1]
 23504  		v.reset(OpARM64NEG)
 23505  		v.Type = typ.UInt64
 23506  		v0 := b.NewValue0(v.Pos, OpARM64NGCzerocarry, typ.UInt64)
 23507  		v1 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 23508  		v2 := b.NewValue0(v.Pos, OpARM64SBCSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 23509  		v3 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 23510  		v4 := b.NewValue0(v.Pos, OpARM64NEGSflags, types.NewTuple(typ.UInt64, types.TypeFlags))
 23511  		v4.AddArg(bo)
 23512  		v3.AddArg(v4)
 23513  		v2.AddArg3(x, y, v3)
 23514  		v1.AddArg(v2)
 23515  		v0.AddArg(v1)
 23516  		v.AddArg(v0)
 23517  		return true
 23518  	}
 23519  	// match: (Select1 (Mul64uover x y))
 23520  	// result: (NotEqual (CMPconst (UMULH <typ.UInt64> x y) [0]))
 23521  	for {
 23522  		if v_0.Op != OpMul64uover {
 23523  			break
 23524  		}
 23525  		y := v_0.Args[1]
 23526  		x := v_0.Args[0]
 23527  		v.reset(OpARM64NotEqual)
 23528  		v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags)
 23529  		v0.AuxInt = int64ToAuxInt(0)
 23530  		v1 := b.NewValue0(v.Pos, OpARM64UMULH, typ.UInt64)
 23531  		v1.AddArg2(x, y)
 23532  		v0.AddArg(v1)
 23533  		v.AddArg(v0)
 23534  		return true
 23535  	}
 23536  	return false
 23537  }
 23538  func rewriteValueARM64_OpSelectN(v *Value) bool {
 23539  	v_0 := v.Args[0]
 23540  	b := v.Block
 23541  	config := b.Func.Config
 23542  	// match: (SelectN [0] call:(CALLstatic {sym} s1:(MOVDstore _ (MOVDconst [sz]) s2:(MOVDstore _ src s3:(MOVDstore {t} _ dst mem)))))
 23543  	// 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)
 23544  	// result: (Move [sz] dst src mem)
 23545  	for {
 23546  		if auxIntToInt64(v.AuxInt) != 0 {
 23547  			break
 23548  		}
 23549  		call := v_0
 23550  		if call.Op != OpARM64CALLstatic || len(call.Args) != 1 {
 23551  			break
 23552  		}
 23553  		sym := auxToCall(call.Aux)
 23554  		s1 := call.Args[0]
 23555  		if s1.Op != OpARM64MOVDstore {
 23556  			break
 23557  		}
 23558  		_ = s1.Args[2]
 23559  		s1_1 := s1.Args[1]
 23560  		if s1_1.Op != OpARM64MOVDconst {
 23561  			break
 23562  		}
 23563  		sz := auxIntToInt64(s1_1.AuxInt)
 23564  		s2 := s1.Args[2]
 23565  		if s2.Op != OpARM64MOVDstore {
 23566  			break
 23567  		}
 23568  		_ = s2.Args[2]
 23569  		src := s2.Args[1]
 23570  		s3 := s2.Args[2]
 23571  		if s3.Op != OpARM64MOVDstore {
 23572  			break
 23573  		}
 23574  		mem := s3.Args[2]
 23575  		dst := s3.Args[1]
 23576  		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)) {
 23577  			break
 23578  		}
 23579  		v.reset(OpMove)
 23580  		v.AuxInt = int64ToAuxInt(sz)
 23581  		v.AddArg3(dst, src, mem)
 23582  		return true
 23583  	}
 23584  	// match: (SelectN [0] call:(CALLstatic {sym} dst src (MOVDconst [sz]) mem))
 23585  	// cond: sz >= 0 && isSameCall(sym, "runtime.memmove") && call.Uses == 1 && isInlinableMemmove(dst, src, sz, config) && clobber(call)
 23586  	// result: (Move [sz] dst src mem)
 23587  	for {
 23588  		if auxIntToInt64(v.AuxInt) != 0 {
 23589  			break
 23590  		}
 23591  		call := v_0
 23592  		if call.Op != OpARM64CALLstatic || len(call.Args) != 4 {
 23593  			break
 23594  		}
 23595  		sym := auxToCall(call.Aux)
 23596  		mem := call.Args[3]
 23597  		dst := call.Args[0]
 23598  		src := call.Args[1]
 23599  		call_2 := call.Args[2]
 23600  		if call_2.Op != OpARM64MOVDconst {
 23601  			break
 23602  		}
 23603  		sz := auxIntToInt64(call_2.AuxInt)
 23604  		if !(sz >= 0 && isSameCall(sym, "runtime.memmove") && call.Uses == 1 && isInlinableMemmove(dst, src, sz, config) && clobber(call)) {
 23605  			break
 23606  		}
 23607  		v.reset(OpMove)
 23608  		v.AuxInt = int64ToAuxInt(sz)
 23609  		v.AddArg3(dst, src, mem)
 23610  		return true
 23611  	}
 23612  	return false
 23613  }
 23614  func rewriteValueARM64_OpSlicemask(v *Value) bool {
 23615  	v_0 := v.Args[0]
 23616  	b := v.Block
 23617  	// match: (Slicemask <t> x)
 23618  	// result: (SRAconst (NEG <t> x) [63])
 23619  	for {
 23620  		t := v.Type
 23621  		x := v_0
 23622  		v.reset(OpARM64SRAconst)
 23623  		v.AuxInt = int64ToAuxInt(63)
 23624  		v0 := b.NewValue0(v.Pos, OpARM64NEG, t)
 23625  		v0.AddArg(x)
 23626  		v.AddArg(v0)
 23627  		return true
 23628  	}
 23629  }
 23630  func rewriteValueARM64_OpStore(v *Value) bool {
 23631  	v_2 := v.Args[2]
 23632  	v_1 := v.Args[1]
 23633  	v_0 := v.Args[0]
 23634  	// match: (Store {t} ptr val mem)
 23635  	// cond: t.Size() == 1
 23636  	// result: (MOVBstore ptr val mem)
 23637  	for {
 23638  		t := auxToType(v.Aux)
 23639  		ptr := v_0
 23640  		val := v_1
 23641  		mem := v_2
 23642  		if !(t.Size() == 1) {
 23643  			break
 23644  		}
 23645  		v.reset(OpARM64MOVBstore)
 23646  		v.AddArg3(ptr, val, mem)
 23647  		return true
 23648  	}
 23649  	// match: (Store {t} ptr val mem)
 23650  	// cond: t.Size() == 2
 23651  	// result: (MOVHstore ptr val mem)
 23652  	for {
 23653  		t := auxToType(v.Aux)
 23654  		ptr := v_0
 23655  		val := v_1
 23656  		mem := v_2
 23657  		if !(t.Size() == 2) {
 23658  			break
 23659  		}
 23660  		v.reset(OpARM64MOVHstore)
 23661  		v.AddArg3(ptr, val, mem)
 23662  		return true
 23663  	}
 23664  	// match: (Store {t} ptr val mem)
 23665  	// cond: t.Size() == 4 && !t.IsFloat()
 23666  	// result: (MOVWstore ptr val mem)
 23667  	for {
 23668  		t := auxToType(v.Aux)
 23669  		ptr := v_0
 23670  		val := v_1
 23671  		mem := v_2
 23672  		if !(t.Size() == 4 && !t.IsFloat()) {
 23673  			break
 23674  		}
 23675  		v.reset(OpARM64MOVWstore)
 23676  		v.AddArg3(ptr, val, mem)
 23677  		return true
 23678  	}
 23679  	// match: (Store {t} ptr val mem)
 23680  	// cond: t.Size() == 8 && !t.IsFloat()
 23681  	// result: (MOVDstore ptr val mem)
 23682  	for {
 23683  		t := auxToType(v.Aux)
 23684  		ptr := v_0
 23685  		val := v_1
 23686  		mem := v_2
 23687  		if !(t.Size() == 8 && !t.IsFloat()) {
 23688  			break
 23689  		}
 23690  		v.reset(OpARM64MOVDstore)
 23691  		v.AddArg3(ptr, val, mem)
 23692  		return true
 23693  	}
 23694  	// match: (Store {t} ptr val mem)
 23695  	// cond: t.Size() == 4 && t.IsFloat()
 23696  	// result: (FMOVSstore ptr val mem)
 23697  	for {
 23698  		t := auxToType(v.Aux)
 23699  		ptr := v_0
 23700  		val := v_1
 23701  		mem := v_2
 23702  		if !(t.Size() == 4 && t.IsFloat()) {
 23703  			break
 23704  		}
 23705  		v.reset(OpARM64FMOVSstore)
 23706  		v.AddArg3(ptr, val, mem)
 23707  		return true
 23708  	}
 23709  	// match: (Store {t} ptr val mem)
 23710  	// cond: t.Size() == 8 && t.IsFloat()
 23711  	// result: (FMOVDstore ptr val mem)
 23712  	for {
 23713  		t := auxToType(v.Aux)
 23714  		ptr := v_0
 23715  		val := v_1
 23716  		mem := v_2
 23717  		if !(t.Size() == 8 && t.IsFloat()) {
 23718  			break
 23719  		}
 23720  		v.reset(OpARM64FMOVDstore)
 23721  		v.AddArg3(ptr, val, mem)
 23722  		return true
 23723  	}
 23724  	return false
 23725  }
 23726  func rewriteValueARM64_OpZero(v *Value) bool {
 23727  	v_1 := v.Args[1]
 23728  	v_0 := v.Args[0]
 23729  	b := v.Block
 23730  	config := b.Func.Config
 23731  	typ := &b.Func.Config.Types
 23732  	// match: (Zero [0] _ mem)
 23733  	// result: mem
 23734  	for {
 23735  		if auxIntToInt64(v.AuxInt) != 0 {
 23736  			break
 23737  		}
 23738  		mem := v_1
 23739  		v.copyOf(mem)
 23740  		return true
 23741  	}
 23742  	// match: (Zero [1] ptr mem)
 23743  	// result: (MOVBstore ptr (MOVDconst [0]) mem)
 23744  	for {
 23745  		if auxIntToInt64(v.AuxInt) != 1 {
 23746  			break
 23747  		}
 23748  		ptr := v_0
 23749  		mem := v_1
 23750  		v.reset(OpARM64MOVBstore)
 23751  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23752  		v0.AuxInt = int64ToAuxInt(0)
 23753  		v.AddArg3(ptr, v0, mem)
 23754  		return true
 23755  	}
 23756  	// match: (Zero [2] ptr mem)
 23757  	// result: (MOVHstore ptr (MOVDconst [0]) mem)
 23758  	for {
 23759  		if auxIntToInt64(v.AuxInt) != 2 {
 23760  			break
 23761  		}
 23762  		ptr := v_0
 23763  		mem := v_1
 23764  		v.reset(OpARM64MOVHstore)
 23765  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23766  		v0.AuxInt = int64ToAuxInt(0)
 23767  		v.AddArg3(ptr, v0, mem)
 23768  		return true
 23769  	}
 23770  	// match: (Zero [4] ptr mem)
 23771  	// result: (MOVWstore ptr (MOVDconst [0]) mem)
 23772  	for {
 23773  		if auxIntToInt64(v.AuxInt) != 4 {
 23774  			break
 23775  		}
 23776  		ptr := v_0
 23777  		mem := v_1
 23778  		v.reset(OpARM64MOVWstore)
 23779  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23780  		v0.AuxInt = int64ToAuxInt(0)
 23781  		v.AddArg3(ptr, v0, mem)
 23782  		return true
 23783  	}
 23784  	// match: (Zero [3] ptr mem)
 23785  	// result: (MOVBstore [2] ptr (MOVDconst [0]) (MOVHstore ptr (MOVDconst [0]) mem))
 23786  	for {
 23787  		if auxIntToInt64(v.AuxInt) != 3 {
 23788  			break
 23789  		}
 23790  		ptr := v_0
 23791  		mem := v_1
 23792  		v.reset(OpARM64MOVBstore)
 23793  		v.AuxInt = int32ToAuxInt(2)
 23794  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23795  		v0.AuxInt = int64ToAuxInt(0)
 23796  		v1 := b.NewValue0(v.Pos, OpARM64MOVHstore, types.TypeMem)
 23797  		v1.AddArg3(ptr, v0, mem)
 23798  		v.AddArg3(ptr, v0, v1)
 23799  		return true
 23800  	}
 23801  	// match: (Zero [5] ptr mem)
 23802  	// result: (MOVBstore [4] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem))
 23803  	for {
 23804  		if auxIntToInt64(v.AuxInt) != 5 {
 23805  			break
 23806  		}
 23807  		ptr := v_0
 23808  		mem := v_1
 23809  		v.reset(OpARM64MOVBstore)
 23810  		v.AuxInt = int32ToAuxInt(4)
 23811  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23812  		v0.AuxInt = int64ToAuxInt(0)
 23813  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 23814  		v1.AddArg3(ptr, v0, mem)
 23815  		v.AddArg3(ptr, v0, v1)
 23816  		return true
 23817  	}
 23818  	// match: (Zero [6] ptr mem)
 23819  	// result: (MOVHstore [4] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem))
 23820  	for {
 23821  		if auxIntToInt64(v.AuxInt) != 6 {
 23822  			break
 23823  		}
 23824  		ptr := v_0
 23825  		mem := v_1
 23826  		v.reset(OpARM64MOVHstore)
 23827  		v.AuxInt = int32ToAuxInt(4)
 23828  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23829  		v0.AuxInt = int64ToAuxInt(0)
 23830  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 23831  		v1.AddArg3(ptr, v0, mem)
 23832  		v.AddArg3(ptr, v0, v1)
 23833  		return true
 23834  	}
 23835  	// match: (Zero [7] ptr mem)
 23836  	// result: (MOVWstore [3] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem))
 23837  	for {
 23838  		if auxIntToInt64(v.AuxInt) != 7 {
 23839  			break
 23840  		}
 23841  		ptr := v_0
 23842  		mem := v_1
 23843  		v.reset(OpARM64MOVWstore)
 23844  		v.AuxInt = int32ToAuxInt(3)
 23845  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23846  		v0.AuxInt = int64ToAuxInt(0)
 23847  		v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem)
 23848  		v1.AddArg3(ptr, v0, mem)
 23849  		v.AddArg3(ptr, v0, v1)
 23850  		return true
 23851  	}
 23852  	// match: (Zero [8] ptr mem)
 23853  	// result: (MOVDstore ptr (MOVDconst [0]) mem)
 23854  	for {
 23855  		if auxIntToInt64(v.AuxInt) != 8 {
 23856  			break
 23857  		}
 23858  		ptr := v_0
 23859  		mem := v_1
 23860  		v.reset(OpARM64MOVDstore)
 23861  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23862  		v0.AuxInt = int64ToAuxInt(0)
 23863  		v.AddArg3(ptr, v0, mem)
 23864  		return true
 23865  	}
 23866  	// match: (Zero [9] ptr mem)
 23867  	// result: (MOVBstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 23868  	for {
 23869  		if auxIntToInt64(v.AuxInt) != 9 {
 23870  			break
 23871  		}
 23872  		ptr := v_0
 23873  		mem := v_1
 23874  		v.reset(OpARM64MOVBstore)
 23875  		v.AuxInt = int32ToAuxInt(8)
 23876  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23877  		v0.AuxInt = int64ToAuxInt(0)
 23878  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 23879  		v1.AddArg3(ptr, v0, mem)
 23880  		v.AddArg3(ptr, v0, v1)
 23881  		return true
 23882  	}
 23883  	// match: (Zero [10] ptr mem)
 23884  	// result: (MOVHstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 23885  	for {
 23886  		if auxIntToInt64(v.AuxInt) != 10 {
 23887  			break
 23888  		}
 23889  		ptr := v_0
 23890  		mem := v_1
 23891  		v.reset(OpARM64MOVHstore)
 23892  		v.AuxInt = int32ToAuxInt(8)
 23893  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23894  		v0.AuxInt = int64ToAuxInt(0)
 23895  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 23896  		v1.AddArg3(ptr, v0, mem)
 23897  		v.AddArg3(ptr, v0, v1)
 23898  		return true
 23899  	}
 23900  	// match: (Zero [11] ptr mem)
 23901  	// result: (MOVDstore [3] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 23902  	for {
 23903  		if auxIntToInt64(v.AuxInt) != 11 {
 23904  			break
 23905  		}
 23906  		ptr := v_0
 23907  		mem := v_1
 23908  		v.reset(OpARM64MOVDstore)
 23909  		v.AuxInt = int32ToAuxInt(3)
 23910  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23911  		v0.AuxInt = int64ToAuxInt(0)
 23912  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 23913  		v1.AddArg3(ptr, v0, mem)
 23914  		v.AddArg3(ptr, v0, v1)
 23915  		return true
 23916  	}
 23917  	// match: (Zero [12] ptr mem)
 23918  	// result: (MOVWstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 23919  	for {
 23920  		if auxIntToInt64(v.AuxInt) != 12 {
 23921  			break
 23922  		}
 23923  		ptr := v_0
 23924  		mem := v_1
 23925  		v.reset(OpARM64MOVWstore)
 23926  		v.AuxInt = int32ToAuxInt(8)
 23927  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23928  		v0.AuxInt = int64ToAuxInt(0)
 23929  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 23930  		v1.AddArg3(ptr, v0, mem)
 23931  		v.AddArg3(ptr, v0, v1)
 23932  		return true
 23933  	}
 23934  	// match: (Zero [13] ptr mem)
 23935  	// result: (MOVDstore [5] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 23936  	for {
 23937  		if auxIntToInt64(v.AuxInt) != 13 {
 23938  			break
 23939  		}
 23940  		ptr := v_0
 23941  		mem := v_1
 23942  		v.reset(OpARM64MOVDstore)
 23943  		v.AuxInt = int32ToAuxInt(5)
 23944  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23945  		v0.AuxInt = int64ToAuxInt(0)
 23946  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 23947  		v1.AddArg3(ptr, v0, mem)
 23948  		v.AddArg3(ptr, v0, v1)
 23949  		return true
 23950  	}
 23951  	// match: (Zero [14] ptr mem)
 23952  	// result: (MOVDstore [6] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 23953  	for {
 23954  		if auxIntToInt64(v.AuxInt) != 14 {
 23955  			break
 23956  		}
 23957  		ptr := v_0
 23958  		mem := v_1
 23959  		v.reset(OpARM64MOVDstore)
 23960  		v.AuxInt = int32ToAuxInt(6)
 23961  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23962  		v0.AuxInt = int64ToAuxInt(0)
 23963  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 23964  		v1.AddArg3(ptr, v0, mem)
 23965  		v.AddArg3(ptr, v0, v1)
 23966  		return true
 23967  	}
 23968  	// match: (Zero [15] ptr mem)
 23969  	// result: (MOVDstore [7] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))
 23970  	for {
 23971  		if auxIntToInt64(v.AuxInt) != 15 {
 23972  			break
 23973  		}
 23974  		ptr := v_0
 23975  		mem := v_1
 23976  		v.reset(OpARM64MOVDstore)
 23977  		v.AuxInt = int32ToAuxInt(7)
 23978  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23979  		v0.AuxInt = int64ToAuxInt(0)
 23980  		v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem)
 23981  		v1.AddArg3(ptr, v0, mem)
 23982  		v.AddArg3(ptr, v0, v1)
 23983  		return true
 23984  	}
 23985  	// match: (Zero [16] ptr mem)
 23986  	// result: (STP [0] ptr (MOVDconst [0]) (MOVDconst [0]) mem)
 23987  	for {
 23988  		if auxIntToInt64(v.AuxInt) != 16 {
 23989  			break
 23990  		}
 23991  		ptr := v_0
 23992  		mem := v_1
 23993  		v.reset(OpARM64STP)
 23994  		v.AuxInt = int32ToAuxInt(0)
 23995  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 23996  		v0.AuxInt = int64ToAuxInt(0)
 23997  		v.AddArg4(ptr, v0, v0, mem)
 23998  		return true
 23999  	}
 24000  	// match: (Zero [32] ptr mem)
 24001  	// result: (STP [16] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [0] ptr (MOVDconst [0]) (MOVDconst [0]) mem))
 24002  	for {
 24003  		if auxIntToInt64(v.AuxInt) != 32 {
 24004  			break
 24005  		}
 24006  		ptr := v_0
 24007  		mem := v_1
 24008  		v.reset(OpARM64STP)
 24009  		v.AuxInt = int32ToAuxInt(16)
 24010  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24011  		v0.AuxInt = int64ToAuxInt(0)
 24012  		v1 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 24013  		v1.AuxInt = int32ToAuxInt(0)
 24014  		v1.AddArg4(ptr, v0, v0, mem)
 24015  		v.AddArg4(ptr, v0, v0, v1)
 24016  		return true
 24017  	}
 24018  	// match: (Zero [48] ptr mem)
 24019  	// result: (STP [32] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [16] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [0] ptr (MOVDconst [0]) (MOVDconst [0]) mem)))
 24020  	for {
 24021  		if auxIntToInt64(v.AuxInt) != 48 {
 24022  			break
 24023  		}
 24024  		ptr := v_0
 24025  		mem := v_1
 24026  		v.reset(OpARM64STP)
 24027  		v.AuxInt = int32ToAuxInt(32)
 24028  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24029  		v0.AuxInt = int64ToAuxInt(0)
 24030  		v1 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 24031  		v1.AuxInt = int32ToAuxInt(16)
 24032  		v2 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 24033  		v2.AuxInt = int32ToAuxInt(0)
 24034  		v2.AddArg4(ptr, v0, v0, mem)
 24035  		v1.AddArg4(ptr, v0, v0, v2)
 24036  		v.AddArg4(ptr, v0, v0, v1)
 24037  		return true
 24038  	}
 24039  	// match: (Zero [64] ptr mem)
 24040  	// 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))))
 24041  	for {
 24042  		if auxIntToInt64(v.AuxInt) != 64 {
 24043  			break
 24044  		}
 24045  		ptr := v_0
 24046  		mem := v_1
 24047  		v.reset(OpARM64STP)
 24048  		v.AuxInt = int32ToAuxInt(48)
 24049  		v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64)
 24050  		v0.AuxInt = int64ToAuxInt(0)
 24051  		v1 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 24052  		v1.AuxInt = int32ToAuxInt(32)
 24053  		v2 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 24054  		v2.AuxInt = int32ToAuxInt(16)
 24055  		v3 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem)
 24056  		v3.AuxInt = int32ToAuxInt(0)
 24057  		v3.AddArg4(ptr, v0, v0, mem)
 24058  		v2.AddArg4(ptr, v0, v0, v3)
 24059  		v1.AddArg4(ptr, v0, v0, v2)
 24060  		v.AddArg4(ptr, v0, v0, v1)
 24061  		return true
 24062  	}
 24063  	// match: (Zero [s] ptr mem)
 24064  	// cond: s%16 != 0 && s%16 <= 8 && s > 16
 24065  	// result: (Zero [8] (OffPtr <ptr.Type> ptr [s-8]) (Zero [s-s%16] ptr mem))
 24066  	for {
 24067  		s := auxIntToInt64(v.AuxInt)
 24068  		ptr := v_0
 24069  		mem := v_1
 24070  		if !(s%16 != 0 && s%16 <= 8 && s > 16) {
 24071  			break
 24072  		}
 24073  		v.reset(OpZero)
 24074  		v.AuxInt = int64ToAuxInt(8)
 24075  		v0 := b.NewValue0(v.Pos, OpOffPtr, ptr.Type)
 24076  		v0.AuxInt = int64ToAuxInt(s - 8)
 24077  		v0.AddArg(ptr)
 24078  		v1 := b.NewValue0(v.Pos, OpZero, types.TypeMem)
 24079  		v1.AuxInt = int64ToAuxInt(s - s%16)
 24080  		v1.AddArg2(ptr, mem)
 24081  		v.AddArg2(v0, v1)
 24082  		return true
 24083  	}
 24084  	// match: (Zero [s] ptr mem)
 24085  	// cond: s%16 != 0 && s%16 > 8 && s > 16
 24086  	// result: (Zero [16] (OffPtr <ptr.Type> ptr [s-16]) (Zero [s-s%16] ptr mem))
 24087  	for {
 24088  		s := auxIntToInt64(v.AuxInt)
 24089  		ptr := v_0
 24090  		mem := v_1
 24091  		if !(s%16 != 0 && s%16 > 8 && s > 16) {
 24092  			break
 24093  		}
 24094  		v.reset(OpZero)
 24095  		v.AuxInt = int64ToAuxInt(16)
 24096  		v0 := b.NewValue0(v.Pos, OpOffPtr, ptr.Type)
 24097  		v0.AuxInt = int64ToAuxInt(s - 16)
 24098  		v0.AddArg(ptr)
 24099  		v1 := b.NewValue0(v.Pos, OpZero, types.TypeMem)
 24100  		v1.AuxInt = int64ToAuxInt(s - s%16)
 24101  		v1.AddArg2(ptr, mem)
 24102  		v.AddArg2(v0, v1)
 24103  		return true
 24104  	}
 24105  	// match: (Zero [s] ptr mem)
 24106  	// cond: s%16 == 0 && s > 64 && s <= 16*64 && !config.noDuffDevice
 24107  	// result: (DUFFZERO [4 * (64 - s/16)] ptr mem)
 24108  	for {
 24109  		s := auxIntToInt64(v.AuxInt)
 24110  		ptr := v_0
 24111  		mem := v_1
 24112  		if !(s%16 == 0 && s > 64 && s <= 16*64 && !config.noDuffDevice) {
 24113  			break
 24114  		}
 24115  		v.reset(OpARM64DUFFZERO)
 24116  		v.AuxInt = int64ToAuxInt(4 * (64 - s/16))
 24117  		v.AddArg2(ptr, mem)
 24118  		return true
 24119  	}
 24120  	// match: (Zero [s] ptr mem)
 24121  	// cond: s%16 == 0 && (s > 16*64 || config.noDuffDevice)
 24122  	// result: (LoweredZero ptr (ADDconst <ptr.Type> [s-16] ptr) mem)
 24123  	for {
 24124  		s := auxIntToInt64(v.AuxInt)
 24125  		ptr := v_0
 24126  		mem := v_1
 24127  		if !(s%16 == 0 && (s > 16*64 || config.noDuffDevice)) {
 24128  			break
 24129  		}
 24130  		v.reset(OpARM64LoweredZero)
 24131  		v0 := b.NewValue0(v.Pos, OpARM64ADDconst, ptr.Type)
 24132  		v0.AuxInt = int64ToAuxInt(s - 16)
 24133  		v0.AddArg(ptr)
 24134  		v.AddArg3(ptr, v0, mem)
 24135  		return true
 24136  	}
 24137  	return false
 24138  }
 24139  func rewriteBlockARM64(b *Block) bool {
 24140  	typ := &b.Func.Config.Types
 24141  	switch b.Kind {
 24142  	case BlockARM64EQ:
 24143  		// match: (EQ (CMPconst [0] z:(AND x y)) yes no)
 24144  		// cond: z.Uses == 1
 24145  		// result: (EQ (TST x y) yes no)
 24146  		for b.Controls[0].Op == OpARM64CMPconst {
 24147  			v_0 := b.Controls[0]
 24148  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24149  				break
 24150  			}
 24151  			z := v_0.Args[0]
 24152  			if z.Op != OpARM64AND {
 24153  				break
 24154  			}
 24155  			_ = z.Args[1]
 24156  			z_0 := z.Args[0]
 24157  			z_1 := z.Args[1]
 24158  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24159  				x := z_0
 24160  				y := z_1
 24161  				if !(z.Uses == 1) {
 24162  					continue
 24163  				}
 24164  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 24165  				v0.AddArg2(x, y)
 24166  				b.resetWithControl(BlockARM64EQ, v0)
 24167  				return true
 24168  			}
 24169  			break
 24170  		}
 24171  		// match: (EQ (CMPconst [0] x:(ANDconst [c] y)) yes no)
 24172  		// cond: x.Uses == 1
 24173  		// result: (EQ (TSTconst [c] y) yes no)
 24174  		for b.Controls[0].Op == OpARM64CMPconst {
 24175  			v_0 := b.Controls[0]
 24176  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24177  				break
 24178  			}
 24179  			x := v_0.Args[0]
 24180  			if x.Op != OpARM64ANDconst {
 24181  				break
 24182  			}
 24183  			c := auxIntToInt64(x.AuxInt)
 24184  			y := x.Args[0]
 24185  			if !(x.Uses == 1) {
 24186  				break
 24187  			}
 24188  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 24189  			v0.AuxInt = int64ToAuxInt(c)
 24190  			v0.AddArg(y)
 24191  			b.resetWithControl(BlockARM64EQ, v0)
 24192  			return true
 24193  		}
 24194  		// match: (EQ (CMPWconst [0] z:(AND x y)) yes no)
 24195  		// cond: z.Uses == 1
 24196  		// result: (EQ (TSTW x y) yes no)
 24197  		for b.Controls[0].Op == OpARM64CMPWconst {
 24198  			v_0 := b.Controls[0]
 24199  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24200  				break
 24201  			}
 24202  			z := v_0.Args[0]
 24203  			if z.Op != OpARM64AND {
 24204  				break
 24205  			}
 24206  			_ = z.Args[1]
 24207  			z_0 := z.Args[0]
 24208  			z_1 := z.Args[1]
 24209  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24210  				x := z_0
 24211  				y := z_1
 24212  				if !(z.Uses == 1) {
 24213  					continue
 24214  				}
 24215  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 24216  				v0.AddArg2(x, y)
 24217  				b.resetWithControl(BlockARM64EQ, v0)
 24218  				return true
 24219  			}
 24220  			break
 24221  		}
 24222  		// match: (EQ (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 24223  		// cond: x.Uses == 1
 24224  		// result: (EQ (TSTWconst [int32(c)] y) yes no)
 24225  		for b.Controls[0].Op == OpARM64CMPWconst {
 24226  			v_0 := b.Controls[0]
 24227  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24228  				break
 24229  			}
 24230  			x := v_0.Args[0]
 24231  			if x.Op != OpARM64ANDconst {
 24232  				break
 24233  			}
 24234  			c := auxIntToInt64(x.AuxInt)
 24235  			y := x.Args[0]
 24236  			if !(x.Uses == 1) {
 24237  				break
 24238  			}
 24239  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 24240  			v0.AuxInt = int32ToAuxInt(int32(c))
 24241  			v0.AddArg(y)
 24242  			b.resetWithControl(BlockARM64EQ, v0)
 24243  			return true
 24244  		}
 24245  		// match: (EQ (CMPconst [0] x:(ADDconst [c] y)) yes no)
 24246  		// cond: x.Uses == 1
 24247  		// result: (EQ (CMNconst [c] y) yes no)
 24248  		for b.Controls[0].Op == OpARM64CMPconst {
 24249  			v_0 := b.Controls[0]
 24250  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24251  				break
 24252  			}
 24253  			x := v_0.Args[0]
 24254  			if x.Op != OpARM64ADDconst {
 24255  				break
 24256  			}
 24257  			c := auxIntToInt64(x.AuxInt)
 24258  			y := x.Args[0]
 24259  			if !(x.Uses == 1) {
 24260  				break
 24261  			}
 24262  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 24263  			v0.AuxInt = int64ToAuxInt(c)
 24264  			v0.AddArg(y)
 24265  			b.resetWithControl(BlockARM64EQ, v0)
 24266  			return true
 24267  		}
 24268  		// match: (EQ (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 24269  		// cond: x.Uses == 1
 24270  		// result: (EQ (CMNWconst [int32(c)] y) yes no)
 24271  		for b.Controls[0].Op == OpARM64CMPWconst {
 24272  			v_0 := b.Controls[0]
 24273  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24274  				break
 24275  			}
 24276  			x := v_0.Args[0]
 24277  			if x.Op != OpARM64ADDconst {
 24278  				break
 24279  			}
 24280  			c := auxIntToInt64(x.AuxInt)
 24281  			y := x.Args[0]
 24282  			if !(x.Uses == 1) {
 24283  				break
 24284  			}
 24285  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 24286  			v0.AuxInt = int32ToAuxInt(int32(c))
 24287  			v0.AddArg(y)
 24288  			b.resetWithControl(BlockARM64EQ, v0)
 24289  			return true
 24290  		}
 24291  		// match: (EQ (CMPconst [0] z:(ADD x y)) yes no)
 24292  		// cond: z.Uses == 1
 24293  		// result: (EQ (CMN x y) yes no)
 24294  		for b.Controls[0].Op == OpARM64CMPconst {
 24295  			v_0 := b.Controls[0]
 24296  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24297  				break
 24298  			}
 24299  			z := v_0.Args[0]
 24300  			if z.Op != OpARM64ADD {
 24301  				break
 24302  			}
 24303  			_ = z.Args[1]
 24304  			z_0 := z.Args[0]
 24305  			z_1 := z.Args[1]
 24306  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24307  				x := z_0
 24308  				y := z_1
 24309  				if !(z.Uses == 1) {
 24310  					continue
 24311  				}
 24312  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 24313  				v0.AddArg2(x, y)
 24314  				b.resetWithControl(BlockARM64EQ, v0)
 24315  				return true
 24316  			}
 24317  			break
 24318  		}
 24319  		// match: (EQ (CMPWconst [0] z:(ADD x y)) yes no)
 24320  		// cond: z.Uses == 1
 24321  		// result: (EQ (CMNW x y) yes no)
 24322  		for b.Controls[0].Op == OpARM64CMPWconst {
 24323  			v_0 := b.Controls[0]
 24324  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24325  				break
 24326  			}
 24327  			z := v_0.Args[0]
 24328  			if z.Op != OpARM64ADD {
 24329  				break
 24330  			}
 24331  			_ = z.Args[1]
 24332  			z_0 := z.Args[0]
 24333  			z_1 := z.Args[1]
 24334  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24335  				x := z_0
 24336  				y := z_1
 24337  				if !(z.Uses == 1) {
 24338  					continue
 24339  				}
 24340  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 24341  				v0.AddArg2(x, y)
 24342  				b.resetWithControl(BlockARM64EQ, v0)
 24343  				return true
 24344  			}
 24345  			break
 24346  		}
 24347  		// match: (EQ (CMP x z:(NEG y)) yes no)
 24348  		// cond: z.Uses == 1
 24349  		// result: (EQ (CMN x y) yes no)
 24350  		for b.Controls[0].Op == OpARM64CMP {
 24351  			v_0 := b.Controls[0]
 24352  			_ = v_0.Args[1]
 24353  			x := v_0.Args[0]
 24354  			z := v_0.Args[1]
 24355  			if z.Op != OpARM64NEG {
 24356  				break
 24357  			}
 24358  			y := z.Args[0]
 24359  			if !(z.Uses == 1) {
 24360  				break
 24361  			}
 24362  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 24363  			v0.AddArg2(x, y)
 24364  			b.resetWithControl(BlockARM64EQ, v0)
 24365  			return true
 24366  		}
 24367  		// match: (EQ (CMPW x z:(NEG y)) yes no)
 24368  		// cond: z.Uses == 1
 24369  		// result: (EQ (CMNW x y) yes no)
 24370  		for b.Controls[0].Op == OpARM64CMPW {
 24371  			v_0 := b.Controls[0]
 24372  			_ = v_0.Args[1]
 24373  			x := v_0.Args[0]
 24374  			z := v_0.Args[1]
 24375  			if z.Op != OpARM64NEG {
 24376  				break
 24377  			}
 24378  			y := z.Args[0]
 24379  			if !(z.Uses == 1) {
 24380  				break
 24381  			}
 24382  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 24383  			v0.AddArg2(x, y)
 24384  			b.resetWithControl(BlockARM64EQ, v0)
 24385  			return true
 24386  		}
 24387  		// match: (EQ (CMPconst [0] x) yes no)
 24388  		// result: (Z x yes no)
 24389  		for b.Controls[0].Op == OpARM64CMPconst {
 24390  			v_0 := b.Controls[0]
 24391  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24392  				break
 24393  			}
 24394  			x := v_0.Args[0]
 24395  			b.resetWithControl(BlockARM64Z, x)
 24396  			return true
 24397  		}
 24398  		// match: (EQ (CMPWconst [0] x) yes no)
 24399  		// result: (ZW x yes no)
 24400  		for b.Controls[0].Op == OpARM64CMPWconst {
 24401  			v_0 := b.Controls[0]
 24402  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24403  				break
 24404  			}
 24405  			x := v_0.Args[0]
 24406  			b.resetWithControl(BlockARM64ZW, x)
 24407  			return true
 24408  		}
 24409  		// match: (EQ (CMPconst [0] z:(MADD a x y)) yes no)
 24410  		// cond: z.Uses==1
 24411  		// result: (EQ (CMN a (MUL <x.Type> x y)) yes no)
 24412  		for b.Controls[0].Op == OpARM64CMPconst {
 24413  			v_0 := b.Controls[0]
 24414  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24415  				break
 24416  			}
 24417  			z := v_0.Args[0]
 24418  			if z.Op != OpARM64MADD {
 24419  				break
 24420  			}
 24421  			y := z.Args[2]
 24422  			a := z.Args[0]
 24423  			x := z.Args[1]
 24424  			if !(z.Uses == 1) {
 24425  				break
 24426  			}
 24427  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 24428  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 24429  			v1.AddArg2(x, y)
 24430  			v0.AddArg2(a, v1)
 24431  			b.resetWithControl(BlockARM64EQ, v0)
 24432  			return true
 24433  		}
 24434  		// match: (EQ (CMPconst [0] z:(MSUB a x y)) yes no)
 24435  		// cond: z.Uses==1
 24436  		// result: (EQ (CMP a (MUL <x.Type> x y)) yes no)
 24437  		for b.Controls[0].Op == OpARM64CMPconst {
 24438  			v_0 := b.Controls[0]
 24439  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24440  				break
 24441  			}
 24442  			z := v_0.Args[0]
 24443  			if z.Op != OpARM64MSUB {
 24444  				break
 24445  			}
 24446  			y := z.Args[2]
 24447  			a := z.Args[0]
 24448  			x := z.Args[1]
 24449  			if !(z.Uses == 1) {
 24450  				break
 24451  			}
 24452  			v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags)
 24453  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 24454  			v1.AddArg2(x, y)
 24455  			v0.AddArg2(a, v1)
 24456  			b.resetWithControl(BlockARM64EQ, v0)
 24457  			return true
 24458  		}
 24459  		// match: (EQ (CMPWconst [0] z:(MADDW a x y)) yes no)
 24460  		// cond: z.Uses==1
 24461  		// result: (EQ (CMNW a (MULW <x.Type> x y)) yes no)
 24462  		for b.Controls[0].Op == OpARM64CMPWconst {
 24463  			v_0 := b.Controls[0]
 24464  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24465  				break
 24466  			}
 24467  			z := v_0.Args[0]
 24468  			if z.Op != OpARM64MADDW {
 24469  				break
 24470  			}
 24471  			y := z.Args[2]
 24472  			a := z.Args[0]
 24473  			x := z.Args[1]
 24474  			if !(z.Uses == 1) {
 24475  				break
 24476  			}
 24477  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 24478  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 24479  			v1.AddArg2(x, y)
 24480  			v0.AddArg2(a, v1)
 24481  			b.resetWithControl(BlockARM64EQ, v0)
 24482  			return true
 24483  		}
 24484  		// match: (EQ (CMPWconst [0] z:(MSUBW a x y)) yes no)
 24485  		// cond: z.Uses==1
 24486  		// result: (EQ (CMPW a (MULW <x.Type> x y)) yes no)
 24487  		for b.Controls[0].Op == OpARM64CMPWconst {
 24488  			v_0 := b.Controls[0]
 24489  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24490  				break
 24491  			}
 24492  			z := v_0.Args[0]
 24493  			if z.Op != OpARM64MSUBW {
 24494  				break
 24495  			}
 24496  			y := z.Args[2]
 24497  			a := z.Args[0]
 24498  			x := z.Args[1]
 24499  			if !(z.Uses == 1) {
 24500  				break
 24501  			}
 24502  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags)
 24503  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 24504  			v1.AddArg2(x, y)
 24505  			v0.AddArg2(a, v1)
 24506  			b.resetWithControl(BlockARM64EQ, v0)
 24507  			return true
 24508  		}
 24509  		// match: (EQ (TSTconst [c] x) yes no)
 24510  		// cond: oneBit(c)
 24511  		// result: (TBZ [int64(ntz64(c))] x yes no)
 24512  		for b.Controls[0].Op == OpARM64TSTconst {
 24513  			v_0 := b.Controls[0]
 24514  			c := auxIntToInt64(v_0.AuxInt)
 24515  			x := v_0.Args[0]
 24516  			if !(oneBit(c)) {
 24517  				break
 24518  			}
 24519  			b.resetWithControl(BlockARM64TBZ, x)
 24520  			b.AuxInt = int64ToAuxInt(int64(ntz64(c)))
 24521  			return true
 24522  		}
 24523  		// match: (EQ (TSTWconst [c] x) yes no)
 24524  		// cond: oneBit(int64(uint32(c)))
 24525  		// result: (TBZ [int64(ntz64(int64(uint32(c))))] x yes no)
 24526  		for b.Controls[0].Op == OpARM64TSTWconst {
 24527  			v_0 := b.Controls[0]
 24528  			c := auxIntToInt32(v_0.AuxInt)
 24529  			x := v_0.Args[0]
 24530  			if !(oneBit(int64(uint32(c)))) {
 24531  				break
 24532  			}
 24533  			b.resetWithControl(BlockARM64TBZ, x)
 24534  			b.AuxInt = int64ToAuxInt(int64(ntz64(int64(uint32(c)))))
 24535  			return true
 24536  		}
 24537  		// match: (EQ (FlagConstant [fc]) yes no)
 24538  		// cond: fc.eq()
 24539  		// result: (First yes no)
 24540  		for b.Controls[0].Op == OpARM64FlagConstant {
 24541  			v_0 := b.Controls[0]
 24542  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24543  			if !(fc.eq()) {
 24544  				break
 24545  			}
 24546  			b.Reset(BlockFirst)
 24547  			return true
 24548  		}
 24549  		// match: (EQ (FlagConstant [fc]) yes no)
 24550  		// cond: !fc.eq()
 24551  		// result: (First no yes)
 24552  		for b.Controls[0].Op == OpARM64FlagConstant {
 24553  			v_0 := b.Controls[0]
 24554  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24555  			if !(!fc.eq()) {
 24556  				break
 24557  			}
 24558  			b.Reset(BlockFirst)
 24559  			b.swapSuccessors()
 24560  			return true
 24561  		}
 24562  		// match: (EQ (InvertFlags cmp) yes no)
 24563  		// result: (EQ cmp yes no)
 24564  		for b.Controls[0].Op == OpARM64InvertFlags {
 24565  			v_0 := b.Controls[0]
 24566  			cmp := v_0.Args[0]
 24567  			b.resetWithControl(BlockARM64EQ, cmp)
 24568  			return true
 24569  		}
 24570  	case BlockARM64FGE:
 24571  		// match: (FGE (InvertFlags cmp) yes no)
 24572  		// result: (FLE cmp yes no)
 24573  		for b.Controls[0].Op == OpARM64InvertFlags {
 24574  			v_0 := b.Controls[0]
 24575  			cmp := v_0.Args[0]
 24576  			b.resetWithControl(BlockARM64FLE, cmp)
 24577  			return true
 24578  		}
 24579  	case BlockARM64FGT:
 24580  		// match: (FGT (InvertFlags cmp) yes no)
 24581  		// result: (FLT cmp yes no)
 24582  		for b.Controls[0].Op == OpARM64InvertFlags {
 24583  			v_0 := b.Controls[0]
 24584  			cmp := v_0.Args[0]
 24585  			b.resetWithControl(BlockARM64FLT, cmp)
 24586  			return true
 24587  		}
 24588  	case BlockARM64FLE:
 24589  		// match: (FLE (InvertFlags cmp) yes no)
 24590  		// result: (FGE cmp yes no)
 24591  		for b.Controls[0].Op == OpARM64InvertFlags {
 24592  			v_0 := b.Controls[0]
 24593  			cmp := v_0.Args[0]
 24594  			b.resetWithControl(BlockARM64FGE, cmp)
 24595  			return true
 24596  		}
 24597  	case BlockARM64FLT:
 24598  		// match: (FLT (InvertFlags cmp) yes no)
 24599  		// result: (FGT cmp yes no)
 24600  		for b.Controls[0].Op == OpARM64InvertFlags {
 24601  			v_0 := b.Controls[0]
 24602  			cmp := v_0.Args[0]
 24603  			b.resetWithControl(BlockARM64FGT, cmp)
 24604  			return true
 24605  		}
 24606  	case BlockARM64GE:
 24607  		// match: (GE (CMPconst [0] z:(AND x y)) yes no)
 24608  		// cond: z.Uses == 1
 24609  		// result: (GE (TST x y) yes no)
 24610  		for b.Controls[0].Op == OpARM64CMPconst {
 24611  			v_0 := b.Controls[0]
 24612  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24613  				break
 24614  			}
 24615  			z := v_0.Args[0]
 24616  			if z.Op != OpARM64AND {
 24617  				break
 24618  			}
 24619  			_ = z.Args[1]
 24620  			z_0 := z.Args[0]
 24621  			z_1 := z.Args[1]
 24622  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24623  				x := z_0
 24624  				y := z_1
 24625  				if !(z.Uses == 1) {
 24626  					continue
 24627  				}
 24628  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 24629  				v0.AddArg2(x, y)
 24630  				b.resetWithControl(BlockARM64GE, v0)
 24631  				return true
 24632  			}
 24633  			break
 24634  		}
 24635  		// match: (GE (CMPconst [0] x:(ANDconst [c] y)) yes no)
 24636  		// cond: x.Uses == 1
 24637  		// result: (GE (TSTconst [c] y) yes no)
 24638  		for b.Controls[0].Op == OpARM64CMPconst {
 24639  			v_0 := b.Controls[0]
 24640  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24641  				break
 24642  			}
 24643  			x := v_0.Args[0]
 24644  			if x.Op != OpARM64ANDconst {
 24645  				break
 24646  			}
 24647  			c := auxIntToInt64(x.AuxInt)
 24648  			y := x.Args[0]
 24649  			if !(x.Uses == 1) {
 24650  				break
 24651  			}
 24652  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 24653  			v0.AuxInt = int64ToAuxInt(c)
 24654  			v0.AddArg(y)
 24655  			b.resetWithControl(BlockARM64GE, v0)
 24656  			return true
 24657  		}
 24658  		// match: (GE (CMPWconst [0] z:(AND x y)) yes no)
 24659  		// cond: z.Uses == 1
 24660  		// result: (GE (TSTW x y) yes no)
 24661  		for b.Controls[0].Op == OpARM64CMPWconst {
 24662  			v_0 := b.Controls[0]
 24663  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24664  				break
 24665  			}
 24666  			z := v_0.Args[0]
 24667  			if z.Op != OpARM64AND {
 24668  				break
 24669  			}
 24670  			_ = z.Args[1]
 24671  			z_0 := z.Args[0]
 24672  			z_1 := z.Args[1]
 24673  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24674  				x := z_0
 24675  				y := z_1
 24676  				if !(z.Uses == 1) {
 24677  					continue
 24678  				}
 24679  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 24680  				v0.AddArg2(x, y)
 24681  				b.resetWithControl(BlockARM64GE, v0)
 24682  				return true
 24683  			}
 24684  			break
 24685  		}
 24686  		// match: (GE (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 24687  		// cond: x.Uses == 1
 24688  		// result: (GE (TSTWconst [int32(c)] y) yes no)
 24689  		for b.Controls[0].Op == OpARM64CMPWconst {
 24690  			v_0 := b.Controls[0]
 24691  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24692  				break
 24693  			}
 24694  			x := v_0.Args[0]
 24695  			if x.Op != OpARM64ANDconst {
 24696  				break
 24697  			}
 24698  			c := auxIntToInt64(x.AuxInt)
 24699  			y := x.Args[0]
 24700  			if !(x.Uses == 1) {
 24701  				break
 24702  			}
 24703  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 24704  			v0.AuxInt = int32ToAuxInt(int32(c))
 24705  			v0.AddArg(y)
 24706  			b.resetWithControl(BlockARM64GE, v0)
 24707  			return true
 24708  		}
 24709  		// match: (GE (CMPconst [0] x:(ADDconst [c] y)) yes no)
 24710  		// cond: x.Uses == 1
 24711  		// result: (GEnoov (CMNconst [c] y) yes no)
 24712  		for b.Controls[0].Op == OpARM64CMPconst {
 24713  			v_0 := b.Controls[0]
 24714  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24715  				break
 24716  			}
 24717  			x := v_0.Args[0]
 24718  			if x.Op != OpARM64ADDconst {
 24719  				break
 24720  			}
 24721  			c := auxIntToInt64(x.AuxInt)
 24722  			y := x.Args[0]
 24723  			if !(x.Uses == 1) {
 24724  				break
 24725  			}
 24726  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 24727  			v0.AuxInt = int64ToAuxInt(c)
 24728  			v0.AddArg(y)
 24729  			b.resetWithControl(BlockARM64GEnoov, v0)
 24730  			return true
 24731  		}
 24732  		// match: (GE (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 24733  		// cond: x.Uses == 1
 24734  		// result: (GEnoov (CMNWconst [int32(c)] y) yes no)
 24735  		for b.Controls[0].Op == OpARM64CMPWconst {
 24736  			v_0 := b.Controls[0]
 24737  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24738  				break
 24739  			}
 24740  			x := v_0.Args[0]
 24741  			if x.Op != OpARM64ADDconst {
 24742  				break
 24743  			}
 24744  			c := auxIntToInt64(x.AuxInt)
 24745  			y := x.Args[0]
 24746  			if !(x.Uses == 1) {
 24747  				break
 24748  			}
 24749  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 24750  			v0.AuxInt = int32ToAuxInt(int32(c))
 24751  			v0.AddArg(y)
 24752  			b.resetWithControl(BlockARM64GEnoov, v0)
 24753  			return true
 24754  		}
 24755  		// match: (GE (CMPconst [0] z:(ADD x y)) yes no)
 24756  		// cond: z.Uses == 1
 24757  		// result: (GEnoov (CMN x y) yes no)
 24758  		for b.Controls[0].Op == OpARM64CMPconst {
 24759  			v_0 := b.Controls[0]
 24760  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24761  				break
 24762  			}
 24763  			z := v_0.Args[0]
 24764  			if z.Op != OpARM64ADD {
 24765  				break
 24766  			}
 24767  			_ = z.Args[1]
 24768  			z_0 := z.Args[0]
 24769  			z_1 := z.Args[1]
 24770  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24771  				x := z_0
 24772  				y := z_1
 24773  				if !(z.Uses == 1) {
 24774  					continue
 24775  				}
 24776  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 24777  				v0.AddArg2(x, y)
 24778  				b.resetWithControl(BlockARM64GEnoov, v0)
 24779  				return true
 24780  			}
 24781  			break
 24782  		}
 24783  		// match: (GE (CMPWconst [0] z:(ADD x y)) yes no)
 24784  		// cond: z.Uses == 1
 24785  		// result: (GEnoov (CMNW x y) yes no)
 24786  		for b.Controls[0].Op == OpARM64CMPWconst {
 24787  			v_0 := b.Controls[0]
 24788  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24789  				break
 24790  			}
 24791  			z := v_0.Args[0]
 24792  			if z.Op != OpARM64ADD {
 24793  				break
 24794  			}
 24795  			_ = z.Args[1]
 24796  			z_0 := z.Args[0]
 24797  			z_1 := z.Args[1]
 24798  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 24799  				x := z_0
 24800  				y := z_1
 24801  				if !(z.Uses == 1) {
 24802  					continue
 24803  				}
 24804  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 24805  				v0.AddArg2(x, y)
 24806  				b.resetWithControl(BlockARM64GEnoov, v0)
 24807  				return true
 24808  			}
 24809  			break
 24810  		}
 24811  		// match: (GE (CMPconst [0] z:(MADD a x y)) yes no)
 24812  		// cond: z.Uses==1
 24813  		// result: (GEnoov (CMN a (MUL <x.Type> x y)) yes no)
 24814  		for b.Controls[0].Op == OpARM64CMPconst {
 24815  			v_0 := b.Controls[0]
 24816  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24817  				break
 24818  			}
 24819  			z := v_0.Args[0]
 24820  			if z.Op != OpARM64MADD {
 24821  				break
 24822  			}
 24823  			y := z.Args[2]
 24824  			a := z.Args[0]
 24825  			x := z.Args[1]
 24826  			if !(z.Uses == 1) {
 24827  				break
 24828  			}
 24829  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 24830  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 24831  			v1.AddArg2(x, y)
 24832  			v0.AddArg2(a, v1)
 24833  			b.resetWithControl(BlockARM64GEnoov, v0)
 24834  			return true
 24835  		}
 24836  		// match: (GE (CMPconst [0] z:(MSUB a x y)) yes no)
 24837  		// cond: z.Uses==1
 24838  		// result: (GEnoov (CMP a (MUL <x.Type> x y)) yes no)
 24839  		for b.Controls[0].Op == OpARM64CMPconst {
 24840  			v_0 := b.Controls[0]
 24841  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24842  				break
 24843  			}
 24844  			z := v_0.Args[0]
 24845  			if z.Op != OpARM64MSUB {
 24846  				break
 24847  			}
 24848  			y := z.Args[2]
 24849  			a := z.Args[0]
 24850  			x := z.Args[1]
 24851  			if !(z.Uses == 1) {
 24852  				break
 24853  			}
 24854  			v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags)
 24855  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 24856  			v1.AddArg2(x, y)
 24857  			v0.AddArg2(a, v1)
 24858  			b.resetWithControl(BlockARM64GEnoov, v0)
 24859  			return true
 24860  		}
 24861  		// match: (GE (CMPWconst [0] z:(MADDW a x y)) yes no)
 24862  		// cond: z.Uses==1
 24863  		// result: (GEnoov (CMNW a (MULW <x.Type> x y)) yes no)
 24864  		for b.Controls[0].Op == OpARM64CMPWconst {
 24865  			v_0 := b.Controls[0]
 24866  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24867  				break
 24868  			}
 24869  			z := v_0.Args[0]
 24870  			if z.Op != OpARM64MADDW {
 24871  				break
 24872  			}
 24873  			y := z.Args[2]
 24874  			a := z.Args[0]
 24875  			x := z.Args[1]
 24876  			if !(z.Uses == 1) {
 24877  				break
 24878  			}
 24879  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 24880  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 24881  			v1.AddArg2(x, y)
 24882  			v0.AddArg2(a, v1)
 24883  			b.resetWithControl(BlockARM64GEnoov, v0)
 24884  			return true
 24885  		}
 24886  		// match: (GE (CMPWconst [0] z:(MSUBW a x y)) yes no)
 24887  		// cond: z.Uses==1
 24888  		// result: (GEnoov (CMPW a (MULW <x.Type> x y)) yes no)
 24889  		for b.Controls[0].Op == OpARM64CMPWconst {
 24890  			v_0 := b.Controls[0]
 24891  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24892  				break
 24893  			}
 24894  			z := v_0.Args[0]
 24895  			if z.Op != OpARM64MSUBW {
 24896  				break
 24897  			}
 24898  			y := z.Args[2]
 24899  			a := z.Args[0]
 24900  			x := z.Args[1]
 24901  			if !(z.Uses == 1) {
 24902  				break
 24903  			}
 24904  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags)
 24905  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 24906  			v1.AddArg2(x, y)
 24907  			v0.AddArg2(a, v1)
 24908  			b.resetWithControl(BlockARM64GEnoov, v0)
 24909  			return true
 24910  		}
 24911  		// match: (GE (CMPWconst [0] x) yes no)
 24912  		// result: (TBZ [31] x yes no)
 24913  		for b.Controls[0].Op == OpARM64CMPWconst {
 24914  			v_0 := b.Controls[0]
 24915  			if auxIntToInt32(v_0.AuxInt) != 0 {
 24916  				break
 24917  			}
 24918  			x := v_0.Args[0]
 24919  			b.resetWithControl(BlockARM64TBZ, x)
 24920  			b.AuxInt = int64ToAuxInt(31)
 24921  			return true
 24922  		}
 24923  		// match: (GE (CMPconst [0] x) yes no)
 24924  		// result: (TBZ [63] x yes no)
 24925  		for b.Controls[0].Op == OpARM64CMPconst {
 24926  			v_0 := b.Controls[0]
 24927  			if auxIntToInt64(v_0.AuxInt) != 0 {
 24928  				break
 24929  			}
 24930  			x := v_0.Args[0]
 24931  			b.resetWithControl(BlockARM64TBZ, x)
 24932  			b.AuxInt = int64ToAuxInt(63)
 24933  			return true
 24934  		}
 24935  		// match: (GE (FlagConstant [fc]) yes no)
 24936  		// cond: fc.ge()
 24937  		// result: (First yes no)
 24938  		for b.Controls[0].Op == OpARM64FlagConstant {
 24939  			v_0 := b.Controls[0]
 24940  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24941  			if !(fc.ge()) {
 24942  				break
 24943  			}
 24944  			b.Reset(BlockFirst)
 24945  			return true
 24946  		}
 24947  		// match: (GE (FlagConstant [fc]) yes no)
 24948  		// cond: !fc.ge()
 24949  		// result: (First no yes)
 24950  		for b.Controls[0].Op == OpARM64FlagConstant {
 24951  			v_0 := b.Controls[0]
 24952  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24953  			if !(!fc.ge()) {
 24954  				break
 24955  			}
 24956  			b.Reset(BlockFirst)
 24957  			b.swapSuccessors()
 24958  			return true
 24959  		}
 24960  		// match: (GE (InvertFlags cmp) yes no)
 24961  		// result: (LE cmp yes no)
 24962  		for b.Controls[0].Op == OpARM64InvertFlags {
 24963  			v_0 := b.Controls[0]
 24964  			cmp := v_0.Args[0]
 24965  			b.resetWithControl(BlockARM64LE, cmp)
 24966  			return true
 24967  		}
 24968  	case BlockARM64GEnoov:
 24969  		// match: (GEnoov (FlagConstant [fc]) yes no)
 24970  		// cond: fc.geNoov()
 24971  		// result: (First yes no)
 24972  		for b.Controls[0].Op == OpARM64FlagConstant {
 24973  			v_0 := b.Controls[0]
 24974  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24975  			if !(fc.geNoov()) {
 24976  				break
 24977  			}
 24978  			b.Reset(BlockFirst)
 24979  			return true
 24980  		}
 24981  		// match: (GEnoov (FlagConstant [fc]) yes no)
 24982  		// cond: !fc.geNoov()
 24983  		// result: (First no yes)
 24984  		for b.Controls[0].Op == OpARM64FlagConstant {
 24985  			v_0 := b.Controls[0]
 24986  			fc := auxIntToFlagConstant(v_0.AuxInt)
 24987  			if !(!fc.geNoov()) {
 24988  				break
 24989  			}
 24990  			b.Reset(BlockFirst)
 24991  			b.swapSuccessors()
 24992  			return true
 24993  		}
 24994  		// match: (GEnoov (InvertFlags cmp) yes no)
 24995  		// result: (LEnoov cmp yes no)
 24996  		for b.Controls[0].Op == OpARM64InvertFlags {
 24997  			v_0 := b.Controls[0]
 24998  			cmp := v_0.Args[0]
 24999  			b.resetWithControl(BlockARM64LEnoov, cmp)
 25000  			return true
 25001  		}
 25002  	case BlockARM64GT:
 25003  		// match: (GT (CMPconst [0] z:(AND x y)) yes no)
 25004  		// cond: z.Uses == 1
 25005  		// result: (GT (TST x y) yes no)
 25006  		for b.Controls[0].Op == OpARM64CMPconst {
 25007  			v_0 := b.Controls[0]
 25008  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25009  				break
 25010  			}
 25011  			z := v_0.Args[0]
 25012  			if z.Op != OpARM64AND {
 25013  				break
 25014  			}
 25015  			_ = z.Args[1]
 25016  			z_0 := z.Args[0]
 25017  			z_1 := z.Args[1]
 25018  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25019  				x := z_0
 25020  				y := z_1
 25021  				if !(z.Uses == 1) {
 25022  					continue
 25023  				}
 25024  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 25025  				v0.AddArg2(x, y)
 25026  				b.resetWithControl(BlockARM64GT, v0)
 25027  				return true
 25028  			}
 25029  			break
 25030  		}
 25031  		// match: (GT (CMPconst [0] x:(ANDconst [c] y)) yes no)
 25032  		// cond: x.Uses == 1
 25033  		// result: (GT (TSTconst [c] y) yes no)
 25034  		for b.Controls[0].Op == OpARM64CMPconst {
 25035  			v_0 := b.Controls[0]
 25036  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25037  				break
 25038  			}
 25039  			x := v_0.Args[0]
 25040  			if x.Op != OpARM64ANDconst {
 25041  				break
 25042  			}
 25043  			c := auxIntToInt64(x.AuxInt)
 25044  			y := x.Args[0]
 25045  			if !(x.Uses == 1) {
 25046  				break
 25047  			}
 25048  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 25049  			v0.AuxInt = int64ToAuxInt(c)
 25050  			v0.AddArg(y)
 25051  			b.resetWithControl(BlockARM64GT, v0)
 25052  			return true
 25053  		}
 25054  		// match: (GT (CMPWconst [0] z:(AND x y)) yes no)
 25055  		// cond: z.Uses == 1
 25056  		// result: (GT (TSTW x y) yes no)
 25057  		for b.Controls[0].Op == OpARM64CMPWconst {
 25058  			v_0 := b.Controls[0]
 25059  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25060  				break
 25061  			}
 25062  			z := v_0.Args[0]
 25063  			if z.Op != OpARM64AND {
 25064  				break
 25065  			}
 25066  			_ = z.Args[1]
 25067  			z_0 := z.Args[0]
 25068  			z_1 := z.Args[1]
 25069  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25070  				x := z_0
 25071  				y := z_1
 25072  				if !(z.Uses == 1) {
 25073  					continue
 25074  				}
 25075  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 25076  				v0.AddArg2(x, y)
 25077  				b.resetWithControl(BlockARM64GT, v0)
 25078  				return true
 25079  			}
 25080  			break
 25081  		}
 25082  		// match: (GT (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 25083  		// cond: x.Uses == 1
 25084  		// result: (GT (TSTWconst [int32(c)] y) yes no)
 25085  		for b.Controls[0].Op == OpARM64CMPWconst {
 25086  			v_0 := b.Controls[0]
 25087  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25088  				break
 25089  			}
 25090  			x := v_0.Args[0]
 25091  			if x.Op != OpARM64ANDconst {
 25092  				break
 25093  			}
 25094  			c := auxIntToInt64(x.AuxInt)
 25095  			y := x.Args[0]
 25096  			if !(x.Uses == 1) {
 25097  				break
 25098  			}
 25099  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 25100  			v0.AuxInt = int32ToAuxInt(int32(c))
 25101  			v0.AddArg(y)
 25102  			b.resetWithControl(BlockARM64GT, v0)
 25103  			return true
 25104  		}
 25105  		// match: (GT (CMPconst [0] x:(ADDconst [c] y)) yes no)
 25106  		// cond: x.Uses == 1
 25107  		// result: (GTnoov (CMNconst [c] y) yes no)
 25108  		for b.Controls[0].Op == OpARM64CMPconst {
 25109  			v_0 := b.Controls[0]
 25110  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25111  				break
 25112  			}
 25113  			x := v_0.Args[0]
 25114  			if x.Op != OpARM64ADDconst {
 25115  				break
 25116  			}
 25117  			c := auxIntToInt64(x.AuxInt)
 25118  			y := x.Args[0]
 25119  			if !(x.Uses == 1) {
 25120  				break
 25121  			}
 25122  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 25123  			v0.AuxInt = int64ToAuxInt(c)
 25124  			v0.AddArg(y)
 25125  			b.resetWithControl(BlockARM64GTnoov, v0)
 25126  			return true
 25127  		}
 25128  		// match: (GT (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 25129  		// cond: x.Uses == 1
 25130  		// result: (GTnoov (CMNWconst [int32(c)] y) yes no)
 25131  		for b.Controls[0].Op == OpARM64CMPWconst {
 25132  			v_0 := b.Controls[0]
 25133  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25134  				break
 25135  			}
 25136  			x := v_0.Args[0]
 25137  			if x.Op != OpARM64ADDconst {
 25138  				break
 25139  			}
 25140  			c := auxIntToInt64(x.AuxInt)
 25141  			y := x.Args[0]
 25142  			if !(x.Uses == 1) {
 25143  				break
 25144  			}
 25145  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 25146  			v0.AuxInt = int32ToAuxInt(int32(c))
 25147  			v0.AddArg(y)
 25148  			b.resetWithControl(BlockARM64GTnoov, v0)
 25149  			return true
 25150  		}
 25151  		// match: (GT (CMPconst [0] z:(ADD x y)) yes no)
 25152  		// cond: z.Uses == 1
 25153  		// result: (GTnoov (CMN x y) yes no)
 25154  		for b.Controls[0].Op == OpARM64CMPconst {
 25155  			v_0 := b.Controls[0]
 25156  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25157  				break
 25158  			}
 25159  			z := v_0.Args[0]
 25160  			if z.Op != OpARM64ADD {
 25161  				break
 25162  			}
 25163  			_ = z.Args[1]
 25164  			z_0 := z.Args[0]
 25165  			z_1 := z.Args[1]
 25166  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25167  				x := z_0
 25168  				y := z_1
 25169  				if !(z.Uses == 1) {
 25170  					continue
 25171  				}
 25172  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 25173  				v0.AddArg2(x, y)
 25174  				b.resetWithControl(BlockARM64GTnoov, v0)
 25175  				return true
 25176  			}
 25177  			break
 25178  		}
 25179  		// match: (GT (CMPWconst [0] z:(ADD x y)) yes no)
 25180  		// cond: z.Uses == 1
 25181  		// result: (GTnoov (CMNW x y) yes no)
 25182  		for b.Controls[0].Op == OpARM64CMPWconst {
 25183  			v_0 := b.Controls[0]
 25184  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25185  				break
 25186  			}
 25187  			z := v_0.Args[0]
 25188  			if z.Op != OpARM64ADD {
 25189  				break
 25190  			}
 25191  			_ = z.Args[1]
 25192  			z_0 := z.Args[0]
 25193  			z_1 := z.Args[1]
 25194  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25195  				x := z_0
 25196  				y := z_1
 25197  				if !(z.Uses == 1) {
 25198  					continue
 25199  				}
 25200  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 25201  				v0.AddArg2(x, y)
 25202  				b.resetWithControl(BlockARM64GTnoov, v0)
 25203  				return true
 25204  			}
 25205  			break
 25206  		}
 25207  		// match: (GT (CMPconst [0] z:(MADD a x y)) yes no)
 25208  		// cond: z.Uses==1
 25209  		// result: (GTnoov (CMN a (MUL <x.Type> x y)) yes no)
 25210  		for b.Controls[0].Op == OpARM64CMPconst {
 25211  			v_0 := b.Controls[0]
 25212  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25213  				break
 25214  			}
 25215  			z := v_0.Args[0]
 25216  			if z.Op != OpARM64MADD {
 25217  				break
 25218  			}
 25219  			y := z.Args[2]
 25220  			a := z.Args[0]
 25221  			x := z.Args[1]
 25222  			if !(z.Uses == 1) {
 25223  				break
 25224  			}
 25225  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 25226  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 25227  			v1.AddArg2(x, y)
 25228  			v0.AddArg2(a, v1)
 25229  			b.resetWithControl(BlockARM64GTnoov, v0)
 25230  			return true
 25231  		}
 25232  		// match: (GT (CMPconst [0] z:(MSUB a x y)) yes no)
 25233  		// cond: z.Uses==1
 25234  		// result: (GTnoov (CMP a (MUL <x.Type> x y)) yes no)
 25235  		for b.Controls[0].Op == OpARM64CMPconst {
 25236  			v_0 := b.Controls[0]
 25237  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25238  				break
 25239  			}
 25240  			z := v_0.Args[0]
 25241  			if z.Op != OpARM64MSUB {
 25242  				break
 25243  			}
 25244  			y := z.Args[2]
 25245  			a := z.Args[0]
 25246  			x := z.Args[1]
 25247  			if !(z.Uses == 1) {
 25248  				break
 25249  			}
 25250  			v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags)
 25251  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 25252  			v1.AddArg2(x, y)
 25253  			v0.AddArg2(a, v1)
 25254  			b.resetWithControl(BlockARM64GTnoov, v0)
 25255  			return true
 25256  		}
 25257  		// match: (GT (CMPWconst [0] z:(MADDW a x y)) yes no)
 25258  		// cond: z.Uses==1
 25259  		// result: (GTnoov (CMNW a (MULW <x.Type> x y)) yes no)
 25260  		for b.Controls[0].Op == OpARM64CMPWconst {
 25261  			v_0 := b.Controls[0]
 25262  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25263  				break
 25264  			}
 25265  			z := v_0.Args[0]
 25266  			if z.Op != OpARM64MADDW {
 25267  				break
 25268  			}
 25269  			y := z.Args[2]
 25270  			a := z.Args[0]
 25271  			x := z.Args[1]
 25272  			if !(z.Uses == 1) {
 25273  				break
 25274  			}
 25275  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 25276  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 25277  			v1.AddArg2(x, y)
 25278  			v0.AddArg2(a, v1)
 25279  			b.resetWithControl(BlockARM64GTnoov, v0)
 25280  			return true
 25281  		}
 25282  		// match: (GT (CMPWconst [0] z:(MSUBW a x y)) yes no)
 25283  		// cond: z.Uses==1
 25284  		// result: (GTnoov (CMPW a (MULW <x.Type> x y)) yes no)
 25285  		for b.Controls[0].Op == OpARM64CMPWconst {
 25286  			v_0 := b.Controls[0]
 25287  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25288  				break
 25289  			}
 25290  			z := v_0.Args[0]
 25291  			if z.Op != OpARM64MSUBW {
 25292  				break
 25293  			}
 25294  			y := z.Args[2]
 25295  			a := z.Args[0]
 25296  			x := z.Args[1]
 25297  			if !(z.Uses == 1) {
 25298  				break
 25299  			}
 25300  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags)
 25301  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 25302  			v1.AddArg2(x, y)
 25303  			v0.AddArg2(a, v1)
 25304  			b.resetWithControl(BlockARM64GTnoov, v0)
 25305  			return true
 25306  		}
 25307  		// match: (GT (FlagConstant [fc]) yes no)
 25308  		// cond: fc.gt()
 25309  		// result: (First yes no)
 25310  		for b.Controls[0].Op == OpARM64FlagConstant {
 25311  			v_0 := b.Controls[0]
 25312  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25313  			if !(fc.gt()) {
 25314  				break
 25315  			}
 25316  			b.Reset(BlockFirst)
 25317  			return true
 25318  		}
 25319  		// match: (GT (FlagConstant [fc]) yes no)
 25320  		// cond: !fc.gt()
 25321  		// result: (First no yes)
 25322  		for b.Controls[0].Op == OpARM64FlagConstant {
 25323  			v_0 := b.Controls[0]
 25324  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25325  			if !(!fc.gt()) {
 25326  				break
 25327  			}
 25328  			b.Reset(BlockFirst)
 25329  			b.swapSuccessors()
 25330  			return true
 25331  		}
 25332  		// match: (GT (InvertFlags cmp) yes no)
 25333  		// result: (LT cmp yes no)
 25334  		for b.Controls[0].Op == OpARM64InvertFlags {
 25335  			v_0 := b.Controls[0]
 25336  			cmp := v_0.Args[0]
 25337  			b.resetWithControl(BlockARM64LT, cmp)
 25338  			return true
 25339  		}
 25340  	case BlockARM64GTnoov:
 25341  		// match: (GTnoov (FlagConstant [fc]) yes no)
 25342  		// cond: fc.gtNoov()
 25343  		// result: (First yes no)
 25344  		for b.Controls[0].Op == OpARM64FlagConstant {
 25345  			v_0 := b.Controls[0]
 25346  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25347  			if !(fc.gtNoov()) {
 25348  				break
 25349  			}
 25350  			b.Reset(BlockFirst)
 25351  			return true
 25352  		}
 25353  		// match: (GTnoov (FlagConstant [fc]) yes no)
 25354  		// cond: !fc.gtNoov()
 25355  		// result: (First no yes)
 25356  		for b.Controls[0].Op == OpARM64FlagConstant {
 25357  			v_0 := b.Controls[0]
 25358  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25359  			if !(!fc.gtNoov()) {
 25360  				break
 25361  			}
 25362  			b.Reset(BlockFirst)
 25363  			b.swapSuccessors()
 25364  			return true
 25365  		}
 25366  		// match: (GTnoov (InvertFlags cmp) yes no)
 25367  		// result: (LTnoov cmp yes no)
 25368  		for b.Controls[0].Op == OpARM64InvertFlags {
 25369  			v_0 := b.Controls[0]
 25370  			cmp := v_0.Args[0]
 25371  			b.resetWithControl(BlockARM64LTnoov, cmp)
 25372  			return true
 25373  		}
 25374  	case BlockIf:
 25375  		// match: (If (Equal cc) yes no)
 25376  		// result: (EQ cc yes no)
 25377  		for b.Controls[0].Op == OpARM64Equal {
 25378  			v_0 := b.Controls[0]
 25379  			cc := v_0.Args[0]
 25380  			b.resetWithControl(BlockARM64EQ, cc)
 25381  			return true
 25382  		}
 25383  		// match: (If (NotEqual cc) yes no)
 25384  		// result: (NE cc yes no)
 25385  		for b.Controls[0].Op == OpARM64NotEqual {
 25386  			v_0 := b.Controls[0]
 25387  			cc := v_0.Args[0]
 25388  			b.resetWithControl(BlockARM64NE, cc)
 25389  			return true
 25390  		}
 25391  		// match: (If (LessThan cc) yes no)
 25392  		// result: (LT cc yes no)
 25393  		for b.Controls[0].Op == OpARM64LessThan {
 25394  			v_0 := b.Controls[0]
 25395  			cc := v_0.Args[0]
 25396  			b.resetWithControl(BlockARM64LT, cc)
 25397  			return true
 25398  		}
 25399  		// match: (If (LessThanU cc) yes no)
 25400  		// result: (ULT cc yes no)
 25401  		for b.Controls[0].Op == OpARM64LessThanU {
 25402  			v_0 := b.Controls[0]
 25403  			cc := v_0.Args[0]
 25404  			b.resetWithControl(BlockARM64ULT, cc)
 25405  			return true
 25406  		}
 25407  		// match: (If (LessEqual cc) yes no)
 25408  		// result: (LE cc yes no)
 25409  		for b.Controls[0].Op == OpARM64LessEqual {
 25410  			v_0 := b.Controls[0]
 25411  			cc := v_0.Args[0]
 25412  			b.resetWithControl(BlockARM64LE, cc)
 25413  			return true
 25414  		}
 25415  		// match: (If (LessEqualU cc) yes no)
 25416  		// result: (ULE cc yes no)
 25417  		for b.Controls[0].Op == OpARM64LessEqualU {
 25418  			v_0 := b.Controls[0]
 25419  			cc := v_0.Args[0]
 25420  			b.resetWithControl(BlockARM64ULE, cc)
 25421  			return true
 25422  		}
 25423  		// match: (If (GreaterThan cc) yes no)
 25424  		// result: (GT cc yes no)
 25425  		for b.Controls[0].Op == OpARM64GreaterThan {
 25426  			v_0 := b.Controls[0]
 25427  			cc := v_0.Args[0]
 25428  			b.resetWithControl(BlockARM64GT, cc)
 25429  			return true
 25430  		}
 25431  		// match: (If (GreaterThanU cc) yes no)
 25432  		// result: (UGT cc yes no)
 25433  		for b.Controls[0].Op == OpARM64GreaterThanU {
 25434  			v_0 := b.Controls[0]
 25435  			cc := v_0.Args[0]
 25436  			b.resetWithControl(BlockARM64UGT, cc)
 25437  			return true
 25438  		}
 25439  		// match: (If (GreaterEqual cc) yes no)
 25440  		// result: (GE cc yes no)
 25441  		for b.Controls[0].Op == OpARM64GreaterEqual {
 25442  			v_0 := b.Controls[0]
 25443  			cc := v_0.Args[0]
 25444  			b.resetWithControl(BlockARM64GE, cc)
 25445  			return true
 25446  		}
 25447  		// match: (If (GreaterEqualU cc) yes no)
 25448  		// result: (UGE cc yes no)
 25449  		for b.Controls[0].Op == OpARM64GreaterEqualU {
 25450  			v_0 := b.Controls[0]
 25451  			cc := v_0.Args[0]
 25452  			b.resetWithControl(BlockARM64UGE, cc)
 25453  			return true
 25454  		}
 25455  		// match: (If (LessThanF cc) yes no)
 25456  		// result: (FLT cc yes no)
 25457  		for b.Controls[0].Op == OpARM64LessThanF {
 25458  			v_0 := b.Controls[0]
 25459  			cc := v_0.Args[0]
 25460  			b.resetWithControl(BlockARM64FLT, cc)
 25461  			return true
 25462  		}
 25463  		// match: (If (LessEqualF cc) yes no)
 25464  		// result: (FLE cc yes no)
 25465  		for b.Controls[0].Op == OpARM64LessEqualF {
 25466  			v_0 := b.Controls[0]
 25467  			cc := v_0.Args[0]
 25468  			b.resetWithControl(BlockARM64FLE, cc)
 25469  			return true
 25470  		}
 25471  		// match: (If (GreaterThanF cc) yes no)
 25472  		// result: (FGT cc yes no)
 25473  		for b.Controls[0].Op == OpARM64GreaterThanF {
 25474  			v_0 := b.Controls[0]
 25475  			cc := v_0.Args[0]
 25476  			b.resetWithControl(BlockARM64FGT, cc)
 25477  			return true
 25478  		}
 25479  		// match: (If (GreaterEqualF cc) yes no)
 25480  		// result: (FGE cc yes no)
 25481  		for b.Controls[0].Op == OpARM64GreaterEqualF {
 25482  			v_0 := b.Controls[0]
 25483  			cc := v_0.Args[0]
 25484  			b.resetWithControl(BlockARM64FGE, cc)
 25485  			return true
 25486  		}
 25487  		// match: (If cond yes no)
 25488  		// result: (TBNZ [0] cond yes no)
 25489  		for {
 25490  			cond := b.Controls[0]
 25491  			b.resetWithControl(BlockARM64TBNZ, cond)
 25492  			b.AuxInt = int64ToAuxInt(0)
 25493  			return true
 25494  		}
 25495  	case BlockJumpTable:
 25496  		// match: (JumpTable idx)
 25497  		// result: (JUMPTABLE {makeJumpTableSym(b)} idx (MOVDaddr <typ.Uintptr> {makeJumpTableSym(b)} (SB)))
 25498  		for {
 25499  			idx := b.Controls[0]
 25500  			v0 := b.NewValue0(b.Pos, OpARM64MOVDaddr, typ.Uintptr)
 25501  			v0.Aux = symToAux(makeJumpTableSym(b))
 25502  			v1 := b.NewValue0(b.Pos, OpSB, typ.Uintptr)
 25503  			v0.AddArg(v1)
 25504  			b.resetWithControl2(BlockARM64JUMPTABLE, idx, v0)
 25505  			b.Aux = symToAux(makeJumpTableSym(b))
 25506  			return true
 25507  		}
 25508  	case BlockARM64LE:
 25509  		// match: (LE (CMPconst [0] z:(AND x y)) yes no)
 25510  		// cond: z.Uses == 1
 25511  		// result: (LE (TST x y) yes no)
 25512  		for b.Controls[0].Op == OpARM64CMPconst {
 25513  			v_0 := b.Controls[0]
 25514  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25515  				break
 25516  			}
 25517  			z := v_0.Args[0]
 25518  			if z.Op != OpARM64AND {
 25519  				break
 25520  			}
 25521  			_ = z.Args[1]
 25522  			z_0 := z.Args[0]
 25523  			z_1 := z.Args[1]
 25524  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25525  				x := z_0
 25526  				y := z_1
 25527  				if !(z.Uses == 1) {
 25528  					continue
 25529  				}
 25530  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 25531  				v0.AddArg2(x, y)
 25532  				b.resetWithControl(BlockARM64LE, v0)
 25533  				return true
 25534  			}
 25535  			break
 25536  		}
 25537  		// match: (LE (CMPconst [0] x:(ANDconst [c] y)) yes no)
 25538  		// cond: x.Uses == 1
 25539  		// result: (LE (TSTconst [c] y) yes no)
 25540  		for b.Controls[0].Op == OpARM64CMPconst {
 25541  			v_0 := b.Controls[0]
 25542  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25543  				break
 25544  			}
 25545  			x := v_0.Args[0]
 25546  			if x.Op != OpARM64ANDconst {
 25547  				break
 25548  			}
 25549  			c := auxIntToInt64(x.AuxInt)
 25550  			y := x.Args[0]
 25551  			if !(x.Uses == 1) {
 25552  				break
 25553  			}
 25554  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 25555  			v0.AuxInt = int64ToAuxInt(c)
 25556  			v0.AddArg(y)
 25557  			b.resetWithControl(BlockARM64LE, v0)
 25558  			return true
 25559  		}
 25560  		// match: (LE (CMPWconst [0] z:(AND x y)) yes no)
 25561  		// cond: z.Uses == 1
 25562  		// result: (LE (TSTW x y) yes no)
 25563  		for b.Controls[0].Op == OpARM64CMPWconst {
 25564  			v_0 := b.Controls[0]
 25565  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25566  				break
 25567  			}
 25568  			z := v_0.Args[0]
 25569  			if z.Op != OpARM64AND {
 25570  				break
 25571  			}
 25572  			_ = z.Args[1]
 25573  			z_0 := z.Args[0]
 25574  			z_1 := z.Args[1]
 25575  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25576  				x := z_0
 25577  				y := z_1
 25578  				if !(z.Uses == 1) {
 25579  					continue
 25580  				}
 25581  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 25582  				v0.AddArg2(x, y)
 25583  				b.resetWithControl(BlockARM64LE, v0)
 25584  				return true
 25585  			}
 25586  			break
 25587  		}
 25588  		// match: (LE (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 25589  		// cond: x.Uses == 1
 25590  		// result: (LE (TSTWconst [int32(c)] y) yes no)
 25591  		for b.Controls[0].Op == OpARM64CMPWconst {
 25592  			v_0 := b.Controls[0]
 25593  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25594  				break
 25595  			}
 25596  			x := v_0.Args[0]
 25597  			if x.Op != OpARM64ANDconst {
 25598  				break
 25599  			}
 25600  			c := auxIntToInt64(x.AuxInt)
 25601  			y := x.Args[0]
 25602  			if !(x.Uses == 1) {
 25603  				break
 25604  			}
 25605  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 25606  			v0.AuxInt = int32ToAuxInt(int32(c))
 25607  			v0.AddArg(y)
 25608  			b.resetWithControl(BlockARM64LE, v0)
 25609  			return true
 25610  		}
 25611  		// match: (LE (CMPconst [0] x:(ADDconst [c] y)) yes no)
 25612  		// cond: x.Uses == 1
 25613  		// result: (LEnoov (CMNconst [c] y) yes no)
 25614  		for b.Controls[0].Op == OpARM64CMPconst {
 25615  			v_0 := b.Controls[0]
 25616  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25617  				break
 25618  			}
 25619  			x := v_0.Args[0]
 25620  			if x.Op != OpARM64ADDconst {
 25621  				break
 25622  			}
 25623  			c := auxIntToInt64(x.AuxInt)
 25624  			y := x.Args[0]
 25625  			if !(x.Uses == 1) {
 25626  				break
 25627  			}
 25628  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 25629  			v0.AuxInt = int64ToAuxInt(c)
 25630  			v0.AddArg(y)
 25631  			b.resetWithControl(BlockARM64LEnoov, v0)
 25632  			return true
 25633  		}
 25634  		// match: (LE (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 25635  		// cond: x.Uses == 1
 25636  		// result: (LEnoov (CMNWconst [int32(c)] y) yes no)
 25637  		for b.Controls[0].Op == OpARM64CMPWconst {
 25638  			v_0 := b.Controls[0]
 25639  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25640  				break
 25641  			}
 25642  			x := v_0.Args[0]
 25643  			if x.Op != OpARM64ADDconst {
 25644  				break
 25645  			}
 25646  			c := auxIntToInt64(x.AuxInt)
 25647  			y := x.Args[0]
 25648  			if !(x.Uses == 1) {
 25649  				break
 25650  			}
 25651  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 25652  			v0.AuxInt = int32ToAuxInt(int32(c))
 25653  			v0.AddArg(y)
 25654  			b.resetWithControl(BlockARM64LEnoov, v0)
 25655  			return true
 25656  		}
 25657  		// match: (LE (CMPconst [0] z:(ADD x y)) yes no)
 25658  		// cond: z.Uses == 1
 25659  		// result: (LEnoov (CMN x y) yes no)
 25660  		for b.Controls[0].Op == OpARM64CMPconst {
 25661  			v_0 := b.Controls[0]
 25662  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25663  				break
 25664  			}
 25665  			z := v_0.Args[0]
 25666  			if z.Op != OpARM64ADD {
 25667  				break
 25668  			}
 25669  			_ = z.Args[1]
 25670  			z_0 := z.Args[0]
 25671  			z_1 := z.Args[1]
 25672  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25673  				x := z_0
 25674  				y := z_1
 25675  				if !(z.Uses == 1) {
 25676  					continue
 25677  				}
 25678  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 25679  				v0.AddArg2(x, y)
 25680  				b.resetWithControl(BlockARM64LEnoov, v0)
 25681  				return true
 25682  			}
 25683  			break
 25684  		}
 25685  		// match: (LE (CMPWconst [0] z:(ADD x y)) yes no)
 25686  		// cond: z.Uses == 1
 25687  		// result: (LEnoov (CMNW x y) yes no)
 25688  		for b.Controls[0].Op == OpARM64CMPWconst {
 25689  			v_0 := b.Controls[0]
 25690  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25691  				break
 25692  			}
 25693  			z := v_0.Args[0]
 25694  			if z.Op != OpARM64ADD {
 25695  				break
 25696  			}
 25697  			_ = z.Args[1]
 25698  			z_0 := z.Args[0]
 25699  			z_1 := z.Args[1]
 25700  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25701  				x := z_0
 25702  				y := z_1
 25703  				if !(z.Uses == 1) {
 25704  					continue
 25705  				}
 25706  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 25707  				v0.AddArg2(x, y)
 25708  				b.resetWithControl(BlockARM64LEnoov, v0)
 25709  				return true
 25710  			}
 25711  			break
 25712  		}
 25713  		// match: (LE (CMPconst [0] z:(MADD a x y)) yes no)
 25714  		// cond: z.Uses==1
 25715  		// result: (LEnoov (CMN a (MUL <x.Type> x y)) yes no)
 25716  		for b.Controls[0].Op == OpARM64CMPconst {
 25717  			v_0 := b.Controls[0]
 25718  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25719  				break
 25720  			}
 25721  			z := v_0.Args[0]
 25722  			if z.Op != OpARM64MADD {
 25723  				break
 25724  			}
 25725  			y := z.Args[2]
 25726  			a := z.Args[0]
 25727  			x := z.Args[1]
 25728  			if !(z.Uses == 1) {
 25729  				break
 25730  			}
 25731  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 25732  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 25733  			v1.AddArg2(x, y)
 25734  			v0.AddArg2(a, v1)
 25735  			b.resetWithControl(BlockARM64LEnoov, v0)
 25736  			return true
 25737  		}
 25738  		// match: (LE (CMPconst [0] z:(MSUB a x y)) yes no)
 25739  		// cond: z.Uses==1
 25740  		// result: (LEnoov (CMP a (MUL <x.Type> x y)) yes no)
 25741  		for b.Controls[0].Op == OpARM64CMPconst {
 25742  			v_0 := b.Controls[0]
 25743  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25744  				break
 25745  			}
 25746  			z := v_0.Args[0]
 25747  			if z.Op != OpARM64MSUB {
 25748  				break
 25749  			}
 25750  			y := z.Args[2]
 25751  			a := z.Args[0]
 25752  			x := z.Args[1]
 25753  			if !(z.Uses == 1) {
 25754  				break
 25755  			}
 25756  			v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags)
 25757  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 25758  			v1.AddArg2(x, y)
 25759  			v0.AddArg2(a, v1)
 25760  			b.resetWithControl(BlockARM64LEnoov, v0)
 25761  			return true
 25762  		}
 25763  		// match: (LE (CMPWconst [0] z:(MADDW a x y)) yes no)
 25764  		// cond: z.Uses==1
 25765  		// result: (LEnoov (CMNW a (MULW <x.Type> x y)) yes no)
 25766  		for b.Controls[0].Op == OpARM64CMPWconst {
 25767  			v_0 := b.Controls[0]
 25768  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25769  				break
 25770  			}
 25771  			z := v_0.Args[0]
 25772  			if z.Op != OpARM64MADDW {
 25773  				break
 25774  			}
 25775  			y := z.Args[2]
 25776  			a := z.Args[0]
 25777  			x := z.Args[1]
 25778  			if !(z.Uses == 1) {
 25779  				break
 25780  			}
 25781  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 25782  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 25783  			v1.AddArg2(x, y)
 25784  			v0.AddArg2(a, v1)
 25785  			b.resetWithControl(BlockARM64LEnoov, v0)
 25786  			return true
 25787  		}
 25788  		// match: (LE (CMPWconst [0] z:(MSUBW a x y)) yes no)
 25789  		// cond: z.Uses==1
 25790  		// result: (LEnoov (CMPW a (MULW <x.Type> x y)) yes no)
 25791  		for b.Controls[0].Op == OpARM64CMPWconst {
 25792  			v_0 := b.Controls[0]
 25793  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25794  				break
 25795  			}
 25796  			z := v_0.Args[0]
 25797  			if z.Op != OpARM64MSUBW {
 25798  				break
 25799  			}
 25800  			y := z.Args[2]
 25801  			a := z.Args[0]
 25802  			x := z.Args[1]
 25803  			if !(z.Uses == 1) {
 25804  				break
 25805  			}
 25806  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags)
 25807  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 25808  			v1.AddArg2(x, y)
 25809  			v0.AddArg2(a, v1)
 25810  			b.resetWithControl(BlockARM64LEnoov, v0)
 25811  			return true
 25812  		}
 25813  		// match: (LE (FlagConstant [fc]) yes no)
 25814  		// cond: fc.le()
 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.le()) {
 25820  				break
 25821  			}
 25822  			b.Reset(BlockFirst)
 25823  			return true
 25824  		}
 25825  		// match: (LE (FlagConstant [fc]) yes no)
 25826  		// cond: !fc.le()
 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.le()) {
 25832  				break
 25833  			}
 25834  			b.Reset(BlockFirst)
 25835  			b.swapSuccessors()
 25836  			return true
 25837  		}
 25838  		// match: (LE (InvertFlags cmp) yes no)
 25839  		// result: (GE 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(BlockARM64GE, cmp)
 25844  			return true
 25845  		}
 25846  	case BlockARM64LEnoov:
 25847  		// match: (LEnoov (FlagConstant [fc]) yes no)
 25848  		// cond: fc.leNoov()
 25849  		// result: (First yes no)
 25850  		for b.Controls[0].Op == OpARM64FlagConstant {
 25851  			v_0 := b.Controls[0]
 25852  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25853  			if !(fc.leNoov()) {
 25854  				break
 25855  			}
 25856  			b.Reset(BlockFirst)
 25857  			return true
 25858  		}
 25859  		// match: (LEnoov (FlagConstant [fc]) yes no)
 25860  		// cond: !fc.leNoov()
 25861  		// result: (First no yes)
 25862  		for b.Controls[0].Op == OpARM64FlagConstant {
 25863  			v_0 := b.Controls[0]
 25864  			fc := auxIntToFlagConstant(v_0.AuxInt)
 25865  			if !(!fc.leNoov()) {
 25866  				break
 25867  			}
 25868  			b.Reset(BlockFirst)
 25869  			b.swapSuccessors()
 25870  			return true
 25871  		}
 25872  		// match: (LEnoov (InvertFlags cmp) yes no)
 25873  		// result: (GEnoov cmp yes no)
 25874  		for b.Controls[0].Op == OpARM64InvertFlags {
 25875  			v_0 := b.Controls[0]
 25876  			cmp := v_0.Args[0]
 25877  			b.resetWithControl(BlockARM64GEnoov, cmp)
 25878  			return true
 25879  		}
 25880  	case BlockARM64LT:
 25881  		// match: (LT (CMPconst [0] z:(AND x y)) yes no)
 25882  		// cond: z.Uses == 1
 25883  		// result: (LT (TST x y) yes no)
 25884  		for b.Controls[0].Op == OpARM64CMPconst {
 25885  			v_0 := b.Controls[0]
 25886  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25887  				break
 25888  			}
 25889  			z := v_0.Args[0]
 25890  			if z.Op != OpARM64AND {
 25891  				break
 25892  			}
 25893  			_ = z.Args[1]
 25894  			z_0 := z.Args[0]
 25895  			z_1 := z.Args[1]
 25896  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25897  				x := z_0
 25898  				y := z_1
 25899  				if !(z.Uses == 1) {
 25900  					continue
 25901  				}
 25902  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 25903  				v0.AddArg2(x, y)
 25904  				b.resetWithControl(BlockARM64LT, v0)
 25905  				return true
 25906  			}
 25907  			break
 25908  		}
 25909  		// match: (LT (CMPconst [0] x:(ANDconst [c] y)) yes no)
 25910  		// cond: x.Uses == 1
 25911  		// result: (LT (TSTconst [c] y) yes no)
 25912  		for b.Controls[0].Op == OpARM64CMPconst {
 25913  			v_0 := b.Controls[0]
 25914  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25915  				break
 25916  			}
 25917  			x := v_0.Args[0]
 25918  			if x.Op != OpARM64ANDconst {
 25919  				break
 25920  			}
 25921  			c := auxIntToInt64(x.AuxInt)
 25922  			y := x.Args[0]
 25923  			if !(x.Uses == 1) {
 25924  				break
 25925  			}
 25926  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 25927  			v0.AuxInt = int64ToAuxInt(c)
 25928  			v0.AddArg(y)
 25929  			b.resetWithControl(BlockARM64LT, v0)
 25930  			return true
 25931  		}
 25932  		// match: (LT (CMPWconst [0] z:(AND x y)) yes no)
 25933  		// cond: z.Uses == 1
 25934  		// result: (LT (TSTW x y) yes no)
 25935  		for b.Controls[0].Op == OpARM64CMPWconst {
 25936  			v_0 := b.Controls[0]
 25937  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25938  				break
 25939  			}
 25940  			z := v_0.Args[0]
 25941  			if z.Op != OpARM64AND {
 25942  				break
 25943  			}
 25944  			_ = z.Args[1]
 25945  			z_0 := z.Args[0]
 25946  			z_1 := z.Args[1]
 25947  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 25948  				x := z_0
 25949  				y := z_1
 25950  				if !(z.Uses == 1) {
 25951  					continue
 25952  				}
 25953  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 25954  				v0.AddArg2(x, y)
 25955  				b.resetWithControl(BlockARM64LT, v0)
 25956  				return true
 25957  			}
 25958  			break
 25959  		}
 25960  		// match: (LT (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 25961  		// cond: x.Uses == 1
 25962  		// result: (LT (TSTWconst [int32(c)] y) yes no)
 25963  		for b.Controls[0].Op == OpARM64CMPWconst {
 25964  			v_0 := b.Controls[0]
 25965  			if auxIntToInt32(v_0.AuxInt) != 0 {
 25966  				break
 25967  			}
 25968  			x := v_0.Args[0]
 25969  			if x.Op != OpARM64ANDconst {
 25970  				break
 25971  			}
 25972  			c := auxIntToInt64(x.AuxInt)
 25973  			y := x.Args[0]
 25974  			if !(x.Uses == 1) {
 25975  				break
 25976  			}
 25977  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 25978  			v0.AuxInt = int32ToAuxInt(int32(c))
 25979  			v0.AddArg(y)
 25980  			b.resetWithControl(BlockARM64LT, v0)
 25981  			return true
 25982  		}
 25983  		// match: (LT (CMPconst [0] x:(ADDconst [c] y)) yes no)
 25984  		// cond: x.Uses == 1
 25985  		// result: (LTnoov (CMNconst [c] y) yes no)
 25986  		for b.Controls[0].Op == OpARM64CMPconst {
 25987  			v_0 := b.Controls[0]
 25988  			if auxIntToInt64(v_0.AuxInt) != 0 {
 25989  				break
 25990  			}
 25991  			x := v_0.Args[0]
 25992  			if x.Op != OpARM64ADDconst {
 25993  				break
 25994  			}
 25995  			c := auxIntToInt64(x.AuxInt)
 25996  			y := x.Args[0]
 25997  			if !(x.Uses == 1) {
 25998  				break
 25999  			}
 26000  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 26001  			v0.AuxInt = int64ToAuxInt(c)
 26002  			v0.AddArg(y)
 26003  			b.resetWithControl(BlockARM64LTnoov, v0)
 26004  			return true
 26005  		}
 26006  		// match: (LT (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 26007  		// cond: x.Uses == 1
 26008  		// result: (LTnoov (CMNWconst [int32(c)] y) yes no)
 26009  		for b.Controls[0].Op == OpARM64CMPWconst {
 26010  			v_0 := b.Controls[0]
 26011  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26012  				break
 26013  			}
 26014  			x := v_0.Args[0]
 26015  			if x.Op != OpARM64ADDconst {
 26016  				break
 26017  			}
 26018  			c := auxIntToInt64(x.AuxInt)
 26019  			y := x.Args[0]
 26020  			if !(x.Uses == 1) {
 26021  				break
 26022  			}
 26023  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 26024  			v0.AuxInt = int32ToAuxInt(int32(c))
 26025  			v0.AddArg(y)
 26026  			b.resetWithControl(BlockARM64LTnoov, v0)
 26027  			return true
 26028  		}
 26029  		// match: (LT (CMPconst [0] z:(ADD x y)) yes no)
 26030  		// cond: z.Uses == 1
 26031  		// result: (LTnoov (CMN x y) yes no)
 26032  		for b.Controls[0].Op == OpARM64CMPconst {
 26033  			v_0 := b.Controls[0]
 26034  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26035  				break
 26036  			}
 26037  			z := v_0.Args[0]
 26038  			if z.Op != OpARM64ADD {
 26039  				break
 26040  			}
 26041  			_ = z.Args[1]
 26042  			z_0 := z.Args[0]
 26043  			z_1 := z.Args[1]
 26044  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26045  				x := z_0
 26046  				y := z_1
 26047  				if !(z.Uses == 1) {
 26048  					continue
 26049  				}
 26050  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 26051  				v0.AddArg2(x, y)
 26052  				b.resetWithControl(BlockARM64LTnoov, v0)
 26053  				return true
 26054  			}
 26055  			break
 26056  		}
 26057  		// match: (LT (CMPWconst [0] z:(ADD x y)) yes no)
 26058  		// cond: z.Uses == 1
 26059  		// result: (LTnoov (CMNW x y) yes no)
 26060  		for b.Controls[0].Op == OpARM64CMPWconst {
 26061  			v_0 := b.Controls[0]
 26062  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26063  				break
 26064  			}
 26065  			z := v_0.Args[0]
 26066  			if z.Op != OpARM64ADD {
 26067  				break
 26068  			}
 26069  			_ = z.Args[1]
 26070  			z_0 := z.Args[0]
 26071  			z_1 := z.Args[1]
 26072  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26073  				x := z_0
 26074  				y := z_1
 26075  				if !(z.Uses == 1) {
 26076  					continue
 26077  				}
 26078  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 26079  				v0.AddArg2(x, y)
 26080  				b.resetWithControl(BlockARM64LTnoov, v0)
 26081  				return true
 26082  			}
 26083  			break
 26084  		}
 26085  		// match: (LT (CMPconst [0] z:(MADD a x y)) yes no)
 26086  		// cond: z.Uses==1
 26087  		// result: (LTnoov (CMN a (MUL <x.Type> x y)) yes no)
 26088  		for b.Controls[0].Op == OpARM64CMPconst {
 26089  			v_0 := b.Controls[0]
 26090  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26091  				break
 26092  			}
 26093  			z := v_0.Args[0]
 26094  			if z.Op != OpARM64MADD {
 26095  				break
 26096  			}
 26097  			y := z.Args[2]
 26098  			a := z.Args[0]
 26099  			x := z.Args[1]
 26100  			if !(z.Uses == 1) {
 26101  				break
 26102  			}
 26103  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 26104  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 26105  			v1.AddArg2(x, y)
 26106  			v0.AddArg2(a, v1)
 26107  			b.resetWithControl(BlockARM64LTnoov, v0)
 26108  			return true
 26109  		}
 26110  		// match: (LT (CMPconst [0] z:(MSUB a x y)) yes no)
 26111  		// cond: z.Uses==1
 26112  		// result: (LTnoov (CMP a (MUL <x.Type> x y)) yes no)
 26113  		for b.Controls[0].Op == OpARM64CMPconst {
 26114  			v_0 := b.Controls[0]
 26115  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26116  				break
 26117  			}
 26118  			z := v_0.Args[0]
 26119  			if z.Op != OpARM64MSUB {
 26120  				break
 26121  			}
 26122  			y := z.Args[2]
 26123  			a := z.Args[0]
 26124  			x := z.Args[1]
 26125  			if !(z.Uses == 1) {
 26126  				break
 26127  			}
 26128  			v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags)
 26129  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 26130  			v1.AddArg2(x, y)
 26131  			v0.AddArg2(a, v1)
 26132  			b.resetWithControl(BlockARM64LTnoov, v0)
 26133  			return true
 26134  		}
 26135  		// match: (LT (CMPWconst [0] z:(MADDW a x y)) yes no)
 26136  		// cond: z.Uses==1
 26137  		// result: (LTnoov (CMNW a (MULW <x.Type> x y)) yes no)
 26138  		for b.Controls[0].Op == OpARM64CMPWconst {
 26139  			v_0 := b.Controls[0]
 26140  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26141  				break
 26142  			}
 26143  			z := v_0.Args[0]
 26144  			if z.Op != OpARM64MADDW {
 26145  				break
 26146  			}
 26147  			y := z.Args[2]
 26148  			a := z.Args[0]
 26149  			x := z.Args[1]
 26150  			if !(z.Uses == 1) {
 26151  				break
 26152  			}
 26153  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 26154  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 26155  			v1.AddArg2(x, y)
 26156  			v0.AddArg2(a, v1)
 26157  			b.resetWithControl(BlockARM64LTnoov, v0)
 26158  			return true
 26159  		}
 26160  		// match: (LT (CMPWconst [0] z:(MSUBW a x y)) yes no)
 26161  		// cond: z.Uses==1
 26162  		// result: (LTnoov (CMPW a (MULW <x.Type> x y)) yes no)
 26163  		for b.Controls[0].Op == OpARM64CMPWconst {
 26164  			v_0 := b.Controls[0]
 26165  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26166  				break
 26167  			}
 26168  			z := v_0.Args[0]
 26169  			if z.Op != OpARM64MSUBW {
 26170  				break
 26171  			}
 26172  			y := z.Args[2]
 26173  			a := z.Args[0]
 26174  			x := z.Args[1]
 26175  			if !(z.Uses == 1) {
 26176  				break
 26177  			}
 26178  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags)
 26179  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 26180  			v1.AddArg2(x, y)
 26181  			v0.AddArg2(a, v1)
 26182  			b.resetWithControl(BlockARM64LTnoov, v0)
 26183  			return true
 26184  		}
 26185  		// match: (LT (CMPWconst [0] x) yes no)
 26186  		// result: (TBNZ [31] x yes no)
 26187  		for b.Controls[0].Op == OpARM64CMPWconst {
 26188  			v_0 := b.Controls[0]
 26189  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26190  				break
 26191  			}
 26192  			x := v_0.Args[0]
 26193  			b.resetWithControl(BlockARM64TBNZ, x)
 26194  			b.AuxInt = int64ToAuxInt(31)
 26195  			return true
 26196  		}
 26197  		// match: (LT (CMPconst [0] x) yes no)
 26198  		// result: (TBNZ [63] x yes no)
 26199  		for b.Controls[0].Op == OpARM64CMPconst {
 26200  			v_0 := b.Controls[0]
 26201  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26202  				break
 26203  			}
 26204  			x := v_0.Args[0]
 26205  			b.resetWithControl(BlockARM64TBNZ, x)
 26206  			b.AuxInt = int64ToAuxInt(63)
 26207  			return true
 26208  		}
 26209  		// match: (LT (FlagConstant [fc]) yes no)
 26210  		// cond: fc.lt()
 26211  		// result: (First yes no)
 26212  		for b.Controls[0].Op == OpARM64FlagConstant {
 26213  			v_0 := b.Controls[0]
 26214  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26215  			if !(fc.lt()) {
 26216  				break
 26217  			}
 26218  			b.Reset(BlockFirst)
 26219  			return true
 26220  		}
 26221  		// match: (LT (FlagConstant [fc]) yes no)
 26222  		// cond: !fc.lt()
 26223  		// result: (First no yes)
 26224  		for b.Controls[0].Op == OpARM64FlagConstant {
 26225  			v_0 := b.Controls[0]
 26226  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26227  			if !(!fc.lt()) {
 26228  				break
 26229  			}
 26230  			b.Reset(BlockFirst)
 26231  			b.swapSuccessors()
 26232  			return true
 26233  		}
 26234  		// match: (LT (InvertFlags cmp) yes no)
 26235  		// result: (GT cmp yes no)
 26236  		for b.Controls[0].Op == OpARM64InvertFlags {
 26237  			v_0 := b.Controls[0]
 26238  			cmp := v_0.Args[0]
 26239  			b.resetWithControl(BlockARM64GT, cmp)
 26240  			return true
 26241  		}
 26242  	case BlockARM64LTnoov:
 26243  		// match: (LTnoov (FlagConstant [fc]) yes no)
 26244  		// cond: fc.ltNoov()
 26245  		// result: (First yes no)
 26246  		for b.Controls[0].Op == OpARM64FlagConstant {
 26247  			v_0 := b.Controls[0]
 26248  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26249  			if !(fc.ltNoov()) {
 26250  				break
 26251  			}
 26252  			b.Reset(BlockFirst)
 26253  			return true
 26254  		}
 26255  		// match: (LTnoov (FlagConstant [fc]) yes no)
 26256  		// cond: !fc.ltNoov()
 26257  		// result: (First no yes)
 26258  		for b.Controls[0].Op == OpARM64FlagConstant {
 26259  			v_0 := b.Controls[0]
 26260  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26261  			if !(!fc.ltNoov()) {
 26262  				break
 26263  			}
 26264  			b.Reset(BlockFirst)
 26265  			b.swapSuccessors()
 26266  			return true
 26267  		}
 26268  		// match: (LTnoov (InvertFlags cmp) yes no)
 26269  		// result: (GTnoov cmp yes no)
 26270  		for b.Controls[0].Op == OpARM64InvertFlags {
 26271  			v_0 := b.Controls[0]
 26272  			cmp := v_0.Args[0]
 26273  			b.resetWithControl(BlockARM64GTnoov, cmp)
 26274  			return true
 26275  		}
 26276  	case BlockARM64NE:
 26277  		// match: (NE (CMPconst [0] z:(AND x y)) yes no)
 26278  		// cond: z.Uses == 1
 26279  		// result: (NE (TST x y) yes no)
 26280  		for b.Controls[0].Op == OpARM64CMPconst {
 26281  			v_0 := b.Controls[0]
 26282  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26283  				break
 26284  			}
 26285  			z := v_0.Args[0]
 26286  			if z.Op != OpARM64AND {
 26287  				break
 26288  			}
 26289  			_ = z.Args[1]
 26290  			z_0 := z.Args[0]
 26291  			z_1 := z.Args[1]
 26292  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26293  				x := z_0
 26294  				y := z_1
 26295  				if !(z.Uses == 1) {
 26296  					continue
 26297  				}
 26298  				v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags)
 26299  				v0.AddArg2(x, y)
 26300  				b.resetWithControl(BlockARM64NE, v0)
 26301  				return true
 26302  			}
 26303  			break
 26304  		}
 26305  		// match: (NE (CMPconst [0] x:(ANDconst [c] y)) yes no)
 26306  		// cond: x.Uses == 1
 26307  		// result: (NE (TSTconst [c] y) yes no)
 26308  		for b.Controls[0].Op == OpARM64CMPconst {
 26309  			v_0 := b.Controls[0]
 26310  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26311  				break
 26312  			}
 26313  			x := v_0.Args[0]
 26314  			if x.Op != OpARM64ANDconst {
 26315  				break
 26316  			}
 26317  			c := auxIntToInt64(x.AuxInt)
 26318  			y := x.Args[0]
 26319  			if !(x.Uses == 1) {
 26320  				break
 26321  			}
 26322  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags)
 26323  			v0.AuxInt = int64ToAuxInt(c)
 26324  			v0.AddArg(y)
 26325  			b.resetWithControl(BlockARM64NE, v0)
 26326  			return true
 26327  		}
 26328  		// match: (NE (CMPWconst [0] z:(AND x y)) yes no)
 26329  		// cond: z.Uses == 1
 26330  		// result: (NE (TSTW x y) yes no)
 26331  		for b.Controls[0].Op == OpARM64CMPWconst {
 26332  			v_0 := b.Controls[0]
 26333  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26334  				break
 26335  			}
 26336  			z := v_0.Args[0]
 26337  			if z.Op != OpARM64AND {
 26338  				break
 26339  			}
 26340  			_ = z.Args[1]
 26341  			z_0 := z.Args[0]
 26342  			z_1 := z.Args[1]
 26343  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26344  				x := z_0
 26345  				y := z_1
 26346  				if !(z.Uses == 1) {
 26347  					continue
 26348  				}
 26349  				v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags)
 26350  				v0.AddArg2(x, y)
 26351  				b.resetWithControl(BlockARM64NE, v0)
 26352  				return true
 26353  			}
 26354  			break
 26355  		}
 26356  		// match: (NE (CMPWconst [0] x:(ANDconst [c] y)) yes no)
 26357  		// cond: x.Uses == 1
 26358  		// result: (NE (TSTWconst [int32(c)] y) yes no)
 26359  		for b.Controls[0].Op == OpARM64CMPWconst {
 26360  			v_0 := b.Controls[0]
 26361  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26362  				break
 26363  			}
 26364  			x := v_0.Args[0]
 26365  			if x.Op != OpARM64ANDconst {
 26366  				break
 26367  			}
 26368  			c := auxIntToInt64(x.AuxInt)
 26369  			y := x.Args[0]
 26370  			if !(x.Uses == 1) {
 26371  				break
 26372  			}
 26373  			v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags)
 26374  			v0.AuxInt = int32ToAuxInt(int32(c))
 26375  			v0.AddArg(y)
 26376  			b.resetWithControl(BlockARM64NE, v0)
 26377  			return true
 26378  		}
 26379  		// match: (NE (CMPconst [0] x:(ADDconst [c] y)) yes no)
 26380  		// cond: x.Uses == 1
 26381  		// result: (NE (CMNconst [c] y) yes no)
 26382  		for b.Controls[0].Op == OpARM64CMPconst {
 26383  			v_0 := b.Controls[0]
 26384  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26385  				break
 26386  			}
 26387  			x := v_0.Args[0]
 26388  			if x.Op != OpARM64ADDconst {
 26389  				break
 26390  			}
 26391  			c := auxIntToInt64(x.AuxInt)
 26392  			y := x.Args[0]
 26393  			if !(x.Uses == 1) {
 26394  				break
 26395  			}
 26396  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags)
 26397  			v0.AuxInt = int64ToAuxInt(c)
 26398  			v0.AddArg(y)
 26399  			b.resetWithControl(BlockARM64NE, v0)
 26400  			return true
 26401  		}
 26402  		// match: (NE (CMPWconst [0] x:(ADDconst [c] y)) yes no)
 26403  		// cond: x.Uses == 1
 26404  		// result: (NE (CMNWconst [int32(c)] y) yes no)
 26405  		for b.Controls[0].Op == OpARM64CMPWconst {
 26406  			v_0 := b.Controls[0]
 26407  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26408  				break
 26409  			}
 26410  			x := v_0.Args[0]
 26411  			if x.Op != OpARM64ADDconst {
 26412  				break
 26413  			}
 26414  			c := auxIntToInt64(x.AuxInt)
 26415  			y := x.Args[0]
 26416  			if !(x.Uses == 1) {
 26417  				break
 26418  			}
 26419  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags)
 26420  			v0.AuxInt = int32ToAuxInt(int32(c))
 26421  			v0.AddArg(y)
 26422  			b.resetWithControl(BlockARM64NE, v0)
 26423  			return true
 26424  		}
 26425  		// match: (NE (CMPconst [0] z:(ADD x y)) yes no)
 26426  		// cond: z.Uses == 1
 26427  		// result: (NE (CMN x y) yes no)
 26428  		for b.Controls[0].Op == OpARM64CMPconst {
 26429  			v_0 := b.Controls[0]
 26430  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26431  				break
 26432  			}
 26433  			z := v_0.Args[0]
 26434  			if z.Op != OpARM64ADD {
 26435  				break
 26436  			}
 26437  			_ = z.Args[1]
 26438  			z_0 := z.Args[0]
 26439  			z_1 := z.Args[1]
 26440  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26441  				x := z_0
 26442  				y := z_1
 26443  				if !(z.Uses == 1) {
 26444  					continue
 26445  				}
 26446  				v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 26447  				v0.AddArg2(x, y)
 26448  				b.resetWithControl(BlockARM64NE, v0)
 26449  				return true
 26450  			}
 26451  			break
 26452  		}
 26453  		// match: (NE (CMPWconst [0] z:(ADD x y)) yes no)
 26454  		// cond: z.Uses == 1
 26455  		// result: (NE (CMNW x y) yes no)
 26456  		for b.Controls[0].Op == OpARM64CMPWconst {
 26457  			v_0 := b.Controls[0]
 26458  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26459  				break
 26460  			}
 26461  			z := v_0.Args[0]
 26462  			if z.Op != OpARM64ADD {
 26463  				break
 26464  			}
 26465  			_ = z.Args[1]
 26466  			z_0 := z.Args[0]
 26467  			z_1 := z.Args[1]
 26468  			for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 {
 26469  				x := z_0
 26470  				y := z_1
 26471  				if !(z.Uses == 1) {
 26472  					continue
 26473  				}
 26474  				v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 26475  				v0.AddArg2(x, y)
 26476  				b.resetWithControl(BlockARM64NE, v0)
 26477  				return true
 26478  			}
 26479  			break
 26480  		}
 26481  		// match: (NE (CMP x z:(NEG y)) yes no)
 26482  		// cond: z.Uses == 1
 26483  		// result: (NE (CMN x y) yes no)
 26484  		for b.Controls[0].Op == OpARM64CMP {
 26485  			v_0 := b.Controls[0]
 26486  			_ = v_0.Args[1]
 26487  			x := v_0.Args[0]
 26488  			z := v_0.Args[1]
 26489  			if z.Op != OpARM64NEG {
 26490  				break
 26491  			}
 26492  			y := z.Args[0]
 26493  			if !(z.Uses == 1) {
 26494  				break
 26495  			}
 26496  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 26497  			v0.AddArg2(x, y)
 26498  			b.resetWithControl(BlockARM64NE, v0)
 26499  			return true
 26500  		}
 26501  		// match: (NE (CMPW x z:(NEG y)) yes no)
 26502  		// cond: z.Uses == 1
 26503  		// result: (NE (CMNW x y) yes no)
 26504  		for b.Controls[0].Op == OpARM64CMPW {
 26505  			v_0 := b.Controls[0]
 26506  			_ = v_0.Args[1]
 26507  			x := v_0.Args[0]
 26508  			z := v_0.Args[1]
 26509  			if z.Op != OpARM64NEG {
 26510  				break
 26511  			}
 26512  			y := z.Args[0]
 26513  			if !(z.Uses == 1) {
 26514  				break
 26515  			}
 26516  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 26517  			v0.AddArg2(x, y)
 26518  			b.resetWithControl(BlockARM64NE, v0)
 26519  			return true
 26520  		}
 26521  		// match: (NE (CMPconst [0] x) yes no)
 26522  		// result: (NZ x yes no)
 26523  		for b.Controls[0].Op == OpARM64CMPconst {
 26524  			v_0 := b.Controls[0]
 26525  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26526  				break
 26527  			}
 26528  			x := v_0.Args[0]
 26529  			b.resetWithControl(BlockARM64NZ, x)
 26530  			return true
 26531  		}
 26532  		// match: (NE (CMPWconst [0] x) yes no)
 26533  		// result: (NZW x yes no)
 26534  		for b.Controls[0].Op == OpARM64CMPWconst {
 26535  			v_0 := b.Controls[0]
 26536  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26537  				break
 26538  			}
 26539  			x := v_0.Args[0]
 26540  			b.resetWithControl(BlockARM64NZW, x)
 26541  			return true
 26542  		}
 26543  		// match: (NE (CMPconst [0] z:(MADD a x y)) yes no)
 26544  		// cond: z.Uses==1
 26545  		// result: (NE (CMN a (MUL <x.Type> x y)) yes no)
 26546  		for b.Controls[0].Op == OpARM64CMPconst {
 26547  			v_0 := b.Controls[0]
 26548  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26549  				break
 26550  			}
 26551  			z := v_0.Args[0]
 26552  			if z.Op != OpARM64MADD {
 26553  				break
 26554  			}
 26555  			y := z.Args[2]
 26556  			a := z.Args[0]
 26557  			x := z.Args[1]
 26558  			if !(z.Uses == 1) {
 26559  				break
 26560  			}
 26561  			v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags)
 26562  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 26563  			v1.AddArg2(x, y)
 26564  			v0.AddArg2(a, v1)
 26565  			b.resetWithControl(BlockARM64NE, v0)
 26566  			return true
 26567  		}
 26568  		// match: (NE (CMPconst [0] z:(MSUB a x y)) yes no)
 26569  		// cond: z.Uses==1
 26570  		// result: (NE (CMP a (MUL <x.Type> x y)) yes no)
 26571  		for b.Controls[0].Op == OpARM64CMPconst {
 26572  			v_0 := b.Controls[0]
 26573  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26574  				break
 26575  			}
 26576  			z := v_0.Args[0]
 26577  			if z.Op != OpARM64MSUB {
 26578  				break
 26579  			}
 26580  			y := z.Args[2]
 26581  			a := z.Args[0]
 26582  			x := z.Args[1]
 26583  			if !(z.Uses == 1) {
 26584  				break
 26585  			}
 26586  			v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags)
 26587  			v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type)
 26588  			v1.AddArg2(x, y)
 26589  			v0.AddArg2(a, v1)
 26590  			b.resetWithControl(BlockARM64NE, v0)
 26591  			return true
 26592  		}
 26593  		// match: (NE (CMPWconst [0] z:(MADDW a x y)) yes no)
 26594  		// cond: z.Uses==1
 26595  		// result: (NE (CMNW a (MULW <x.Type> x y)) yes no)
 26596  		for b.Controls[0].Op == OpARM64CMPWconst {
 26597  			v_0 := b.Controls[0]
 26598  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26599  				break
 26600  			}
 26601  			z := v_0.Args[0]
 26602  			if z.Op != OpARM64MADDW {
 26603  				break
 26604  			}
 26605  			y := z.Args[2]
 26606  			a := z.Args[0]
 26607  			x := z.Args[1]
 26608  			if !(z.Uses == 1) {
 26609  				break
 26610  			}
 26611  			v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags)
 26612  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 26613  			v1.AddArg2(x, y)
 26614  			v0.AddArg2(a, v1)
 26615  			b.resetWithControl(BlockARM64NE, v0)
 26616  			return true
 26617  		}
 26618  		// match: (NE (CMPWconst [0] z:(MSUBW a x y)) yes no)
 26619  		// cond: z.Uses==1
 26620  		// result: (NE (CMPW a (MULW <x.Type> x y)) yes no)
 26621  		for b.Controls[0].Op == OpARM64CMPWconst {
 26622  			v_0 := b.Controls[0]
 26623  			if auxIntToInt32(v_0.AuxInt) != 0 {
 26624  				break
 26625  			}
 26626  			z := v_0.Args[0]
 26627  			if z.Op != OpARM64MSUBW {
 26628  				break
 26629  			}
 26630  			y := z.Args[2]
 26631  			a := z.Args[0]
 26632  			x := z.Args[1]
 26633  			if !(z.Uses == 1) {
 26634  				break
 26635  			}
 26636  			v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags)
 26637  			v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type)
 26638  			v1.AddArg2(x, y)
 26639  			v0.AddArg2(a, v1)
 26640  			b.resetWithControl(BlockARM64NE, v0)
 26641  			return true
 26642  		}
 26643  		// match: (NE (TSTconst [c] x) yes no)
 26644  		// cond: oneBit(c)
 26645  		// result: (TBNZ [int64(ntz64(c))] x yes no)
 26646  		for b.Controls[0].Op == OpARM64TSTconst {
 26647  			v_0 := b.Controls[0]
 26648  			c := auxIntToInt64(v_0.AuxInt)
 26649  			x := v_0.Args[0]
 26650  			if !(oneBit(c)) {
 26651  				break
 26652  			}
 26653  			b.resetWithControl(BlockARM64TBNZ, x)
 26654  			b.AuxInt = int64ToAuxInt(int64(ntz64(c)))
 26655  			return true
 26656  		}
 26657  		// match: (NE (TSTWconst [c] x) yes no)
 26658  		// cond: oneBit(int64(uint32(c)))
 26659  		// result: (TBNZ [int64(ntz64(int64(uint32(c))))] x yes no)
 26660  		for b.Controls[0].Op == OpARM64TSTWconst {
 26661  			v_0 := b.Controls[0]
 26662  			c := auxIntToInt32(v_0.AuxInt)
 26663  			x := v_0.Args[0]
 26664  			if !(oneBit(int64(uint32(c)))) {
 26665  				break
 26666  			}
 26667  			b.resetWithControl(BlockARM64TBNZ, x)
 26668  			b.AuxInt = int64ToAuxInt(int64(ntz64(int64(uint32(c)))))
 26669  			return true
 26670  		}
 26671  		// match: (NE (FlagConstant [fc]) yes no)
 26672  		// cond: fc.ne()
 26673  		// result: (First yes no)
 26674  		for b.Controls[0].Op == OpARM64FlagConstant {
 26675  			v_0 := b.Controls[0]
 26676  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26677  			if !(fc.ne()) {
 26678  				break
 26679  			}
 26680  			b.Reset(BlockFirst)
 26681  			return true
 26682  		}
 26683  		// match: (NE (FlagConstant [fc]) yes no)
 26684  		// cond: !fc.ne()
 26685  		// result: (First no yes)
 26686  		for b.Controls[0].Op == OpARM64FlagConstant {
 26687  			v_0 := b.Controls[0]
 26688  			fc := auxIntToFlagConstant(v_0.AuxInt)
 26689  			if !(!fc.ne()) {
 26690  				break
 26691  			}
 26692  			b.Reset(BlockFirst)
 26693  			b.swapSuccessors()
 26694  			return true
 26695  		}
 26696  		// match: (NE (InvertFlags cmp) yes no)
 26697  		// result: (NE cmp yes no)
 26698  		for b.Controls[0].Op == OpARM64InvertFlags {
 26699  			v_0 := b.Controls[0]
 26700  			cmp := v_0.Args[0]
 26701  			b.resetWithControl(BlockARM64NE, cmp)
 26702  			return true
 26703  		}
 26704  	case BlockARM64NZ:
 26705  		// match: (NZ (Equal cc) yes no)
 26706  		// result: (EQ cc yes no)
 26707  		for b.Controls[0].Op == OpARM64Equal {
 26708  			v_0 := b.Controls[0]
 26709  			cc := v_0.Args[0]
 26710  			b.resetWithControl(BlockARM64EQ, cc)
 26711  			return true
 26712  		}
 26713  		// match: (NZ (NotEqual cc) yes no)
 26714  		// result: (NE cc yes no)
 26715  		for b.Controls[0].Op == OpARM64NotEqual {
 26716  			v_0 := b.Controls[0]
 26717  			cc := v_0.Args[0]
 26718  			b.resetWithControl(BlockARM64NE, cc)
 26719  			return true
 26720  		}
 26721  		// match: (NZ (LessThan cc) yes no)
 26722  		// result: (LT cc yes no)
 26723  		for b.Controls[0].Op == OpARM64LessThan {
 26724  			v_0 := b.Controls[0]
 26725  			cc := v_0.Args[0]
 26726  			b.resetWithControl(BlockARM64LT, cc)
 26727  			return true
 26728  		}
 26729  		// match: (NZ (LessThanU cc) yes no)
 26730  		// result: (ULT cc yes no)
 26731  		for b.Controls[0].Op == OpARM64LessThanU {
 26732  			v_0 := b.Controls[0]
 26733  			cc := v_0.Args[0]
 26734  			b.resetWithControl(BlockARM64ULT, cc)
 26735  			return true
 26736  		}
 26737  		// match: (NZ (LessEqual cc) yes no)
 26738  		// result: (LE cc yes no)
 26739  		for b.Controls[0].Op == OpARM64LessEqual {
 26740  			v_0 := b.Controls[0]
 26741  			cc := v_0.Args[0]
 26742  			b.resetWithControl(BlockARM64LE, cc)
 26743  			return true
 26744  		}
 26745  		// match: (NZ (LessEqualU cc) yes no)
 26746  		// result: (ULE cc yes no)
 26747  		for b.Controls[0].Op == OpARM64LessEqualU {
 26748  			v_0 := b.Controls[0]
 26749  			cc := v_0.Args[0]
 26750  			b.resetWithControl(BlockARM64ULE, cc)
 26751  			return true
 26752  		}
 26753  		// match: (NZ (GreaterThan cc) yes no)
 26754  		// result: (GT cc yes no)
 26755  		for b.Controls[0].Op == OpARM64GreaterThan {
 26756  			v_0 := b.Controls[0]
 26757  			cc := v_0.Args[0]
 26758  			b.resetWithControl(BlockARM64GT, cc)
 26759  			return true
 26760  		}
 26761  		// match: (NZ (GreaterThanU cc) yes no)
 26762  		// result: (UGT cc yes no)
 26763  		for b.Controls[0].Op == OpARM64GreaterThanU {
 26764  			v_0 := b.Controls[0]
 26765  			cc := v_0.Args[0]
 26766  			b.resetWithControl(BlockARM64UGT, cc)
 26767  			return true
 26768  		}
 26769  		// match: (NZ (GreaterEqual cc) yes no)
 26770  		// result: (GE cc yes no)
 26771  		for b.Controls[0].Op == OpARM64GreaterEqual {
 26772  			v_0 := b.Controls[0]
 26773  			cc := v_0.Args[0]
 26774  			b.resetWithControl(BlockARM64GE, cc)
 26775  			return true
 26776  		}
 26777  		// match: (NZ (GreaterEqualU cc) yes no)
 26778  		// result: (UGE cc yes no)
 26779  		for b.Controls[0].Op == OpARM64GreaterEqualU {
 26780  			v_0 := b.Controls[0]
 26781  			cc := v_0.Args[0]
 26782  			b.resetWithControl(BlockARM64UGE, cc)
 26783  			return true
 26784  		}
 26785  		// match: (NZ (LessThanF cc) yes no)
 26786  		// result: (FLT cc yes no)
 26787  		for b.Controls[0].Op == OpARM64LessThanF {
 26788  			v_0 := b.Controls[0]
 26789  			cc := v_0.Args[0]
 26790  			b.resetWithControl(BlockARM64FLT, cc)
 26791  			return true
 26792  		}
 26793  		// match: (NZ (LessEqualF cc) yes no)
 26794  		// result: (FLE cc yes no)
 26795  		for b.Controls[0].Op == OpARM64LessEqualF {
 26796  			v_0 := b.Controls[0]
 26797  			cc := v_0.Args[0]
 26798  			b.resetWithControl(BlockARM64FLE, cc)
 26799  			return true
 26800  		}
 26801  		// match: (NZ (GreaterThanF cc) yes no)
 26802  		// result: (FGT cc yes no)
 26803  		for b.Controls[0].Op == OpARM64GreaterThanF {
 26804  			v_0 := b.Controls[0]
 26805  			cc := v_0.Args[0]
 26806  			b.resetWithControl(BlockARM64FGT, cc)
 26807  			return true
 26808  		}
 26809  		// match: (NZ (GreaterEqualF cc) yes no)
 26810  		// result: (FGE cc yes no)
 26811  		for b.Controls[0].Op == OpARM64GreaterEqualF {
 26812  			v_0 := b.Controls[0]
 26813  			cc := v_0.Args[0]
 26814  			b.resetWithControl(BlockARM64FGE, cc)
 26815  			return true
 26816  		}
 26817  		// match: (NZ (ANDconst [c] x) yes no)
 26818  		// cond: oneBit(c)
 26819  		// result: (TBNZ [int64(ntz64(c))] x yes no)
 26820  		for b.Controls[0].Op == OpARM64ANDconst {
 26821  			v_0 := b.Controls[0]
 26822  			c := auxIntToInt64(v_0.AuxInt)
 26823  			x := v_0.Args[0]
 26824  			if !(oneBit(c)) {
 26825  				break
 26826  			}
 26827  			b.resetWithControl(BlockARM64TBNZ, x)
 26828  			b.AuxInt = int64ToAuxInt(int64(ntz64(c)))
 26829  			return true
 26830  		}
 26831  		// match: (NZ (MOVDconst [0]) yes no)
 26832  		// result: (First no yes)
 26833  		for b.Controls[0].Op == OpARM64MOVDconst {
 26834  			v_0 := b.Controls[0]
 26835  			if auxIntToInt64(v_0.AuxInt) != 0 {
 26836  				break
 26837  			}
 26838  			b.Reset(BlockFirst)
 26839  			b.swapSuccessors()
 26840  			return true
 26841  		}
 26842  		// match: (NZ (MOVDconst [c]) yes no)
 26843  		// cond: c != 0
 26844  		// result: (First yes no)
 26845  		for b.Controls[0].Op == OpARM64MOVDconst {
 26846  			v_0 := b.Controls[0]
 26847  			c := auxIntToInt64(v_0.AuxInt)
 26848  			if !(c != 0) {
 26849  				break
 26850  			}
 26851  			b.Reset(BlockFirst)
 26852  			return true
 26853  		}
 26854  	case BlockARM64NZW:
 26855  		// match: (NZW (ANDconst [c] x) yes no)
 26856  		// cond: oneBit(int64(uint32(c)))
 26857  		// result: (TBNZ [int64(ntz64(int64(uint32(c))))] x yes no)
 26858  		for b.Controls[0].Op == OpARM64ANDconst {
 26859  			v_0 := b.Controls[0]
 26860  			c := auxIntToInt64(v_0.AuxInt)
 26861  			x := v_0.Args[0]
 26862  			if !(oneBit(int64(uint32(c)))) {
 26863  				break
 26864  			}
 26865  			b.resetWithControl(BlockARM64TBNZ, x)
 26866  			b.AuxInt = int64ToAuxInt(int64(ntz64(int64(uint32(c)))))
 26867  			return true
 26868  		}
 26869  		// match: (NZW (MOVDconst [c]) yes no)
 26870  		// cond: int32(c) == 0
 26871  		// result: (First no yes)
 26872  		for b.Controls[0].Op == OpARM64MOVDconst {
 26873  			v_0 := b.Controls[0]
 26874  			c := auxIntToInt64(v_0.AuxInt)
 26875  			if !(int32(c) == 0) {
 26876  				break
 26877  			}
 26878  			b.Reset(BlockFirst)
 26879  			b.swapSuccessors()
 26880  			return true
 26881  		}
 26882  		// match: (NZW (MOVDconst [c]) yes no)
 26883  		// cond: int32(c) != 0
 26884  		// result: (First yes no)
 26885  		for b.Controls[0].Op == OpARM64MOVDconst {
 26886  			v_0 := b.Controls[0]
 26887  			c := auxIntToInt64(v_0.AuxInt)
 26888  			if !(int32(c) != 0) {
 26889  				break
 26890  			}
 26891  			b.Reset(BlockFirst)
 26892  			return true
 26893  		}
 26894  	case BlockARM64TBNZ:
 26895  		// match: (TBNZ [0] (Equal cc) yes no)
 26896  		// result: (EQ cc yes no)
 26897  		for b.Controls[0].Op == OpARM64Equal {
 26898  			v_0 := b.Controls[0]
 26899  			cc := v_0.Args[0]
 26900  			if auxIntToInt64(b.AuxInt) != 0 {
 26901  				break
 26902  			}
 26903  			b.resetWithControl(BlockARM64EQ, cc)
 26904  			return true
 26905  		}
 26906  		// match: (TBNZ [0] (NotEqual cc) yes no)
 26907  		// result: (NE cc yes no)
 26908  		for b.Controls[0].Op == OpARM64NotEqual {
 26909  			v_0 := b.Controls[0]
 26910  			cc := v_0.Args[0]
 26911  			if auxIntToInt64(b.AuxInt) != 0 {
 26912  				break
 26913  			}
 26914  			b.resetWithControl(BlockARM64NE, cc)
 26915  			return true
 26916  		}
 26917  		// match: (TBNZ [0] (LessThan cc) yes no)
 26918  		// result: (LT cc yes no)
 26919  		for b.Controls[0].Op == OpARM64LessThan {
 26920  			v_0 := b.Controls[0]
 26921  			cc := v_0.Args[0]
 26922  			if auxIntToInt64(b.AuxInt) != 0 {
 26923  				break
 26924  			}
 26925  			b.resetWithControl(BlockARM64LT, cc)
 26926  			return true
 26927  		}
 26928  		// match: (TBNZ [0] (LessThanU cc) yes no)
 26929  		// result: (ULT cc yes no)
 26930  		for b.Controls[0].Op == OpARM64LessThanU {
 26931  			v_0 := b.Controls[0]
 26932  			cc := v_0.Args[0]
 26933  			if auxIntToInt64(b.AuxInt) != 0 {
 26934  				break
 26935  			}
 26936  			b.resetWithControl(BlockARM64ULT, cc)
 26937  			return true
 26938  		}
 26939  		// match: (TBNZ [0] (LessEqual cc) yes no)
 26940  		// result: (LE cc yes no)
 26941  		for b.Controls[0].Op == OpARM64LessEqual {
 26942  			v_0 := b.Controls[0]
 26943  			cc := v_0.Args[0]
 26944  			if auxIntToInt64(b.AuxInt) != 0 {
 26945  				break
 26946  			}
 26947  			b.resetWithControl(BlockARM64LE, cc)
 26948  			return true
 26949  		}
 26950  		// match: (TBNZ [0] (LessEqualU cc) yes no)
 26951  		// result: (ULE cc yes no)
 26952  		for b.Controls[0].Op == OpARM64LessEqualU {
 26953  			v_0 := b.Controls[0]
 26954  			cc := v_0.Args[0]
 26955  			if auxIntToInt64(b.AuxInt) != 0 {
 26956  				break
 26957  			}
 26958  			b.resetWithControl(BlockARM64ULE, cc)
 26959  			return true
 26960  		}
 26961  		// match: (TBNZ [0] (GreaterThan cc) yes no)
 26962  		// result: (GT cc yes no)
 26963  		for b.Controls[0].Op == OpARM64GreaterThan {
 26964  			v_0 := b.Controls[0]
 26965  			cc := v_0.Args[0]
 26966  			if auxIntToInt64(b.AuxInt) != 0 {
 26967  				break
 26968  			}
 26969  			b.resetWithControl(BlockARM64GT, cc)
 26970  			return true
 26971  		}
 26972  		// match: (TBNZ [0] (GreaterThanU cc) yes no)
 26973  		// result: (UGT cc yes no)
 26974  		for b.Controls[0].Op == OpARM64GreaterThanU {
 26975  			v_0 := b.Controls[0]
 26976  			cc := v_0.Args[0]
 26977  			if auxIntToInt64(b.AuxInt) != 0 {
 26978  				break
 26979  			}
 26980  			b.resetWithControl(BlockARM64UGT, cc)
 26981  			return true
 26982  		}
 26983  		// match: (TBNZ [0] (GreaterEqual cc) yes no)
 26984  		// result: (GE cc yes no)
 26985  		for b.Controls[0].Op == OpARM64GreaterEqual {
 26986  			v_0 := b.Controls[0]
 26987  			cc := v_0.Args[0]
 26988  			if auxIntToInt64(b.AuxInt) != 0 {
 26989  				break
 26990  			}
 26991  			b.resetWithControl(BlockARM64GE, cc)
 26992  			return true
 26993  		}
 26994  		// match: (TBNZ [0] (GreaterEqualU cc) yes no)
 26995  		// result: (UGE cc yes no)
 26996  		for b.Controls[0].Op == OpARM64GreaterEqualU {
 26997  			v_0 := b.Controls[0]
 26998  			cc := v_0.Args[0]
 26999  			if auxIntToInt64(b.AuxInt) != 0 {
 27000  				break
 27001  			}
 27002  			b.resetWithControl(BlockARM64UGE, cc)
 27003  			return true
 27004  		}
 27005  		// match: (TBNZ [0] (LessThanF cc) yes no)
 27006  		// result: (FLT cc yes no)
 27007  		for b.Controls[0].Op == OpARM64LessThanF {
 27008  			v_0 := b.Controls[0]
 27009  			cc := v_0.Args[0]
 27010  			if auxIntToInt64(b.AuxInt) != 0 {
 27011  				break
 27012  			}
 27013  			b.resetWithControl(BlockARM64FLT, cc)
 27014  			return true
 27015  		}
 27016  		// match: (TBNZ [0] (LessEqualF cc) yes no)
 27017  		// result: (FLE cc yes no)
 27018  		for b.Controls[0].Op == OpARM64LessEqualF {
 27019  			v_0 := b.Controls[0]
 27020  			cc := v_0.Args[0]
 27021  			if auxIntToInt64(b.AuxInt) != 0 {
 27022  				break
 27023  			}
 27024  			b.resetWithControl(BlockARM64FLE, cc)
 27025  			return true
 27026  		}
 27027  		// match: (TBNZ [0] (GreaterThanF cc) yes no)
 27028  		// result: (FGT cc yes no)
 27029  		for b.Controls[0].Op == OpARM64GreaterThanF {
 27030  			v_0 := b.Controls[0]
 27031  			cc := v_0.Args[0]
 27032  			if auxIntToInt64(b.AuxInt) != 0 {
 27033  				break
 27034  			}
 27035  			b.resetWithControl(BlockARM64FGT, cc)
 27036  			return true
 27037  		}
 27038  		// match: (TBNZ [0] (GreaterEqualF cc) yes no)
 27039  		// result: (FGE cc yes no)
 27040  		for b.Controls[0].Op == OpARM64GreaterEqualF {
 27041  			v_0 := b.Controls[0]
 27042  			cc := v_0.Args[0]
 27043  			if auxIntToInt64(b.AuxInt) != 0 {
 27044  				break
 27045  			}
 27046  			b.resetWithControl(BlockARM64FGE, cc)
 27047  			return true
 27048  		}
 27049  	case BlockARM64UGE:
 27050  		// match: (UGE (FlagConstant [fc]) yes no)
 27051  		// cond: fc.uge()
 27052  		// result: (First yes no)
 27053  		for b.Controls[0].Op == OpARM64FlagConstant {
 27054  			v_0 := b.Controls[0]
 27055  			fc := auxIntToFlagConstant(v_0.AuxInt)
 27056  			if !(fc.uge()) {
 27057  				break
 27058  			}
 27059  			b.Reset(BlockFirst)
 27060  			return true
 27061  		}
 27062  		// match: (UGE (FlagConstant [fc]) yes no)
 27063  		// cond: !fc.uge()
 27064  		// result: (First no yes)
 27065  		for b.Controls[0].Op == OpARM64FlagConstant {
 27066  			v_0 := b.Controls[0]
 27067  			fc := auxIntToFlagConstant(v_0.AuxInt)
 27068  			if !(!fc.uge()) {
 27069  				break
 27070  			}
 27071  			b.Reset(BlockFirst)
 27072  			b.swapSuccessors()
 27073  			return true
 27074  		}
 27075  		// match: (UGE (InvertFlags cmp) yes no)
 27076  		// result: (ULE cmp yes no)
 27077  		for b.Controls[0].Op == OpARM64InvertFlags {
 27078  			v_0 := b.Controls[0]
 27079  			cmp := v_0.Args[0]
 27080  			b.resetWithControl(BlockARM64ULE, cmp)
 27081  			return true
 27082  		}
 27083  	case BlockARM64UGT:
 27084  		// match: (UGT (FlagConstant [fc]) yes no)
 27085  		// cond: fc.ugt()
 27086  		// result: (First yes no)
 27087  		for b.Controls[0].Op == OpARM64FlagConstant {
 27088  			v_0 := b.Controls[0]
 27089  			fc := auxIntToFlagConstant(v_0.AuxInt)
 27090  			if !(fc.ugt()) {
 27091  				break
 27092  			}
 27093  			b.Reset(BlockFirst)
 27094  			return true
 27095  		}
 27096  		// match: (UGT (FlagConstant [fc]) yes no)
 27097  		// cond: !fc.ugt()
 27098  		// result: (First no yes)
 27099  		for b.Controls[0].Op == OpARM64FlagConstant {
 27100  			v_0 := b.Controls[0]
 27101  			fc := auxIntToFlagConstant(v_0.AuxInt)
 27102  			if !(!fc.ugt()) {
 27103  				break
 27104  			}
 27105  			b.Reset(BlockFirst)
 27106  			b.swapSuccessors()
 27107  			return true
 27108  		}
 27109  		// match: (UGT (InvertFlags cmp) yes no)
 27110  		// result: (ULT cmp yes no)
 27111  		for b.Controls[0].Op == OpARM64InvertFlags {
 27112  			v_0 := b.Controls[0]
 27113  			cmp := v_0.Args[0]
 27114  			b.resetWithControl(BlockARM64ULT, cmp)
 27115  			return true
 27116  		}
 27117  	case BlockARM64ULE:
 27118  		// match: (ULE (FlagConstant [fc]) yes no)
 27119  		// cond: fc.ule()
 27120  		// result: (First yes no)
 27121  		for b.Controls[0].Op == OpARM64FlagConstant {
 27122  			v_0 := b.Controls[0]
 27123  			fc := auxIntToFlagConstant(v_0.AuxInt)
 27124  			if !(fc.ule()) {
 27125  				break
 27126  			}
 27127  			b.Reset(BlockFirst)
 27128  			return true
 27129  		}
 27130  		// match: (ULE (FlagConstant [fc]) yes no)
 27131  		// cond: !fc.ule()
 27132  		// result: (First no yes)
 27133  		for b.Controls[0].Op == OpARM64FlagConstant {
 27134  			v_0 := b.Controls[0]
 27135  			fc := auxIntToFlagConstant(v_0.AuxInt)
 27136  			if !(!fc.ule()) {
 27137  				break
 27138  			}
 27139  			b.Reset(BlockFirst)
 27140  			b.swapSuccessors()
 27141  			return true
 27142  		}
 27143  		// match: (ULE (InvertFlags cmp) yes no)
 27144  		// result: (UGE cmp yes no)
 27145  		for b.Controls[0].Op == OpARM64InvertFlags {
 27146  			v_0 := b.Controls[0]
 27147  			cmp := v_0.Args[0]
 27148  			b.resetWithControl(BlockARM64UGE, cmp)
 27149  			return true
 27150  		}
 27151  	case BlockARM64ULT:
 27152  		// match: (ULT (FlagConstant [fc]) yes no)
 27153  		// cond: fc.ult()
 27154  		// result: (First yes no)
 27155  		for b.Controls[0].Op == OpARM64FlagConstant {
 27156  			v_0 := b.Controls[0]
 27157  			fc := auxIntToFlagConstant(v_0.AuxInt)
 27158  			if !(fc.ult()) {
 27159  				break
 27160  			}
 27161  			b.Reset(BlockFirst)
 27162  			return true
 27163  		}
 27164  		// match: (ULT (FlagConstant [fc]) yes no)
 27165  		// cond: !fc.ult()
 27166  		// result: (First no yes)
 27167  		for b.Controls[0].Op == OpARM64FlagConstant {
 27168  			v_0 := b.Controls[0]
 27169  			fc := auxIntToFlagConstant(v_0.AuxInt)
 27170  			if !(!fc.ult()) {
 27171  				break
 27172  			}
 27173  			b.Reset(BlockFirst)
 27174  			b.swapSuccessors()
 27175  			return true
 27176  		}
 27177  		// match: (ULT (InvertFlags cmp) yes no)
 27178  		// result: (UGT cmp yes no)
 27179  		for b.Controls[0].Op == OpARM64InvertFlags {
 27180  			v_0 := b.Controls[0]
 27181  			cmp := v_0.Args[0]
 27182  			b.resetWithControl(BlockARM64UGT, cmp)
 27183  			return true
 27184  		}
 27185  	case BlockARM64Z:
 27186  		// match: (Z (ANDconst [c] x) yes no)
 27187  		// cond: oneBit(c)
 27188  		// result: (TBZ [int64(ntz64(c))] x yes no)
 27189  		for b.Controls[0].Op == OpARM64ANDconst {
 27190  			v_0 := b.Controls[0]
 27191  			c := auxIntToInt64(v_0.AuxInt)
 27192  			x := v_0.Args[0]
 27193  			if !(oneBit(c)) {
 27194  				break
 27195  			}
 27196  			b.resetWithControl(BlockARM64TBZ, x)
 27197  			b.AuxInt = int64ToAuxInt(int64(ntz64(c)))
 27198  			return true
 27199  		}
 27200  		// match: (Z (MOVDconst [0]) yes no)
 27201  		// result: (First yes no)
 27202  		for b.Controls[0].Op == OpARM64MOVDconst {
 27203  			v_0 := b.Controls[0]
 27204  			if auxIntToInt64(v_0.AuxInt) != 0 {
 27205  				break
 27206  			}
 27207  			b.Reset(BlockFirst)
 27208  			return true
 27209  		}
 27210  		// match: (Z (MOVDconst [c]) yes no)
 27211  		// cond: c != 0
 27212  		// result: (First no yes)
 27213  		for b.Controls[0].Op == OpARM64MOVDconst {
 27214  			v_0 := b.Controls[0]
 27215  			c := auxIntToInt64(v_0.AuxInt)
 27216  			if !(c != 0) {
 27217  				break
 27218  			}
 27219  			b.Reset(BlockFirst)
 27220  			b.swapSuccessors()
 27221  			return true
 27222  		}
 27223  	case BlockARM64ZW:
 27224  		// match: (ZW (ANDconst [c] x) yes no)
 27225  		// cond: oneBit(int64(uint32(c)))
 27226  		// result: (TBZ [int64(ntz64(int64(uint32(c))))] x yes no)
 27227  		for b.Controls[0].Op == OpARM64ANDconst {
 27228  			v_0 := b.Controls[0]
 27229  			c := auxIntToInt64(v_0.AuxInt)
 27230  			x := v_0.Args[0]
 27231  			if !(oneBit(int64(uint32(c)))) {
 27232  				break
 27233  			}
 27234  			b.resetWithControl(BlockARM64TBZ, x)
 27235  			b.AuxInt = int64ToAuxInt(int64(ntz64(int64(uint32(c)))))
 27236  			return true
 27237  		}
 27238  		// match: (ZW (MOVDconst [c]) yes no)
 27239  		// cond: int32(c) == 0
 27240  		// result: (First yes no)
 27241  		for b.Controls[0].Op == OpARM64MOVDconst {
 27242  			v_0 := b.Controls[0]
 27243  			c := auxIntToInt64(v_0.AuxInt)
 27244  			if !(int32(c) == 0) {
 27245  				break
 27246  			}
 27247  			b.Reset(BlockFirst)
 27248  			return true
 27249  		}
 27250  		// match: (ZW (MOVDconst [c]) yes no)
 27251  		// cond: int32(c) != 0
 27252  		// result: (First no yes)
 27253  		for b.Controls[0].Op == OpARM64MOVDconst {
 27254  			v_0 := b.Controls[0]
 27255  			c := auxIntToInt64(v_0.AuxInt)
 27256  			if !(int32(c) != 0) {
 27257  				break
 27258  			}
 27259  			b.Reset(BlockFirst)
 27260  			b.swapSuccessors()
 27261  			return true
 27262  		}
 27263  	}
 27264  	return false
 27265  }