github.com/bir3/gocompiler@v0.3.205/src/cmd/compile/internal/ssa/rewrite386.go (about)

     1  // Code generated from _gen/386.rules; DO NOT EDIT.
     2  // generated with: cd _gen; go run .
     3  
     4  package ssa
     5  
     6  import "math"
     7  import "github.com/bir3/gocompiler/src/cmd/compile/internal/types"
     8  
     9  func rewriteValue386(v *Value) bool {
    10  	switch v.Op {
    11  	case Op386ADCL:
    12  		return rewriteValue386_Op386ADCL(v)
    13  	case Op386ADDL:
    14  		return rewriteValue386_Op386ADDL(v)
    15  	case Op386ADDLcarry:
    16  		return rewriteValue386_Op386ADDLcarry(v)
    17  	case Op386ADDLconst:
    18  		return rewriteValue386_Op386ADDLconst(v)
    19  	case Op386ADDLconstmodify:
    20  		return rewriteValue386_Op386ADDLconstmodify(v)
    21  	case Op386ADDLload:
    22  		return rewriteValue386_Op386ADDLload(v)
    23  	case Op386ADDLmodify:
    24  		return rewriteValue386_Op386ADDLmodify(v)
    25  	case Op386ADDSD:
    26  		return rewriteValue386_Op386ADDSD(v)
    27  	case Op386ADDSDload:
    28  		return rewriteValue386_Op386ADDSDload(v)
    29  	case Op386ADDSS:
    30  		return rewriteValue386_Op386ADDSS(v)
    31  	case Op386ADDSSload:
    32  		return rewriteValue386_Op386ADDSSload(v)
    33  	case Op386ANDL:
    34  		return rewriteValue386_Op386ANDL(v)
    35  	case Op386ANDLconst:
    36  		return rewriteValue386_Op386ANDLconst(v)
    37  	case Op386ANDLconstmodify:
    38  		return rewriteValue386_Op386ANDLconstmodify(v)
    39  	case Op386ANDLload:
    40  		return rewriteValue386_Op386ANDLload(v)
    41  	case Op386ANDLmodify:
    42  		return rewriteValue386_Op386ANDLmodify(v)
    43  	case Op386CMPB:
    44  		return rewriteValue386_Op386CMPB(v)
    45  	case Op386CMPBconst:
    46  		return rewriteValue386_Op386CMPBconst(v)
    47  	case Op386CMPBload:
    48  		return rewriteValue386_Op386CMPBload(v)
    49  	case Op386CMPL:
    50  		return rewriteValue386_Op386CMPL(v)
    51  	case Op386CMPLconst:
    52  		return rewriteValue386_Op386CMPLconst(v)
    53  	case Op386CMPLload:
    54  		return rewriteValue386_Op386CMPLload(v)
    55  	case Op386CMPW:
    56  		return rewriteValue386_Op386CMPW(v)
    57  	case Op386CMPWconst:
    58  		return rewriteValue386_Op386CMPWconst(v)
    59  	case Op386CMPWload:
    60  		return rewriteValue386_Op386CMPWload(v)
    61  	case Op386DIVSD:
    62  		return rewriteValue386_Op386DIVSD(v)
    63  	case Op386DIVSDload:
    64  		return rewriteValue386_Op386DIVSDload(v)
    65  	case Op386DIVSS:
    66  		return rewriteValue386_Op386DIVSS(v)
    67  	case Op386DIVSSload:
    68  		return rewriteValue386_Op386DIVSSload(v)
    69  	case Op386LEAL:
    70  		return rewriteValue386_Op386LEAL(v)
    71  	case Op386LEAL1:
    72  		return rewriteValue386_Op386LEAL1(v)
    73  	case Op386LEAL2:
    74  		return rewriteValue386_Op386LEAL2(v)
    75  	case Op386LEAL4:
    76  		return rewriteValue386_Op386LEAL4(v)
    77  	case Op386LEAL8:
    78  		return rewriteValue386_Op386LEAL8(v)
    79  	case Op386MOVBLSX:
    80  		return rewriteValue386_Op386MOVBLSX(v)
    81  	case Op386MOVBLSXload:
    82  		return rewriteValue386_Op386MOVBLSXload(v)
    83  	case Op386MOVBLZX:
    84  		return rewriteValue386_Op386MOVBLZX(v)
    85  	case Op386MOVBload:
    86  		return rewriteValue386_Op386MOVBload(v)
    87  	case Op386MOVBstore:
    88  		return rewriteValue386_Op386MOVBstore(v)
    89  	case Op386MOVBstoreconst:
    90  		return rewriteValue386_Op386MOVBstoreconst(v)
    91  	case Op386MOVLload:
    92  		return rewriteValue386_Op386MOVLload(v)
    93  	case Op386MOVLstore:
    94  		return rewriteValue386_Op386MOVLstore(v)
    95  	case Op386MOVLstoreconst:
    96  		return rewriteValue386_Op386MOVLstoreconst(v)
    97  	case Op386MOVSDconst:
    98  		return rewriteValue386_Op386MOVSDconst(v)
    99  	case Op386MOVSDload:
   100  		return rewriteValue386_Op386MOVSDload(v)
   101  	case Op386MOVSDstore:
   102  		return rewriteValue386_Op386MOVSDstore(v)
   103  	case Op386MOVSSconst:
   104  		return rewriteValue386_Op386MOVSSconst(v)
   105  	case Op386MOVSSload:
   106  		return rewriteValue386_Op386MOVSSload(v)
   107  	case Op386MOVSSstore:
   108  		return rewriteValue386_Op386MOVSSstore(v)
   109  	case Op386MOVWLSX:
   110  		return rewriteValue386_Op386MOVWLSX(v)
   111  	case Op386MOVWLSXload:
   112  		return rewriteValue386_Op386MOVWLSXload(v)
   113  	case Op386MOVWLZX:
   114  		return rewriteValue386_Op386MOVWLZX(v)
   115  	case Op386MOVWload:
   116  		return rewriteValue386_Op386MOVWload(v)
   117  	case Op386MOVWstore:
   118  		return rewriteValue386_Op386MOVWstore(v)
   119  	case Op386MOVWstoreconst:
   120  		return rewriteValue386_Op386MOVWstoreconst(v)
   121  	case Op386MULL:
   122  		return rewriteValue386_Op386MULL(v)
   123  	case Op386MULLconst:
   124  		return rewriteValue386_Op386MULLconst(v)
   125  	case Op386MULLload:
   126  		return rewriteValue386_Op386MULLload(v)
   127  	case Op386MULSD:
   128  		return rewriteValue386_Op386MULSD(v)
   129  	case Op386MULSDload:
   130  		return rewriteValue386_Op386MULSDload(v)
   131  	case Op386MULSS:
   132  		return rewriteValue386_Op386MULSS(v)
   133  	case Op386MULSSload:
   134  		return rewriteValue386_Op386MULSSload(v)
   135  	case Op386NEGL:
   136  		return rewriteValue386_Op386NEGL(v)
   137  	case Op386NOTL:
   138  		return rewriteValue386_Op386NOTL(v)
   139  	case Op386ORL:
   140  		return rewriteValue386_Op386ORL(v)
   141  	case Op386ORLconst:
   142  		return rewriteValue386_Op386ORLconst(v)
   143  	case Op386ORLconstmodify:
   144  		return rewriteValue386_Op386ORLconstmodify(v)
   145  	case Op386ORLload:
   146  		return rewriteValue386_Op386ORLload(v)
   147  	case Op386ORLmodify:
   148  		return rewriteValue386_Op386ORLmodify(v)
   149  	case Op386ROLB:
   150  		return rewriteValue386_Op386ROLB(v)
   151  	case Op386ROLBconst:
   152  		return rewriteValue386_Op386ROLBconst(v)
   153  	case Op386ROLL:
   154  		return rewriteValue386_Op386ROLL(v)
   155  	case Op386ROLLconst:
   156  		return rewriteValue386_Op386ROLLconst(v)
   157  	case Op386ROLW:
   158  		return rewriteValue386_Op386ROLW(v)
   159  	case Op386ROLWconst:
   160  		return rewriteValue386_Op386ROLWconst(v)
   161  	case Op386SARB:
   162  		return rewriteValue386_Op386SARB(v)
   163  	case Op386SARBconst:
   164  		return rewriteValue386_Op386SARBconst(v)
   165  	case Op386SARL:
   166  		return rewriteValue386_Op386SARL(v)
   167  	case Op386SARLconst:
   168  		return rewriteValue386_Op386SARLconst(v)
   169  	case Op386SARW:
   170  		return rewriteValue386_Op386SARW(v)
   171  	case Op386SARWconst:
   172  		return rewriteValue386_Op386SARWconst(v)
   173  	case Op386SBBL:
   174  		return rewriteValue386_Op386SBBL(v)
   175  	case Op386SBBLcarrymask:
   176  		return rewriteValue386_Op386SBBLcarrymask(v)
   177  	case Op386SETA:
   178  		return rewriteValue386_Op386SETA(v)
   179  	case Op386SETAE:
   180  		return rewriteValue386_Op386SETAE(v)
   181  	case Op386SETB:
   182  		return rewriteValue386_Op386SETB(v)
   183  	case Op386SETBE:
   184  		return rewriteValue386_Op386SETBE(v)
   185  	case Op386SETEQ:
   186  		return rewriteValue386_Op386SETEQ(v)
   187  	case Op386SETG:
   188  		return rewriteValue386_Op386SETG(v)
   189  	case Op386SETGE:
   190  		return rewriteValue386_Op386SETGE(v)
   191  	case Op386SETL:
   192  		return rewriteValue386_Op386SETL(v)
   193  	case Op386SETLE:
   194  		return rewriteValue386_Op386SETLE(v)
   195  	case Op386SETNE:
   196  		return rewriteValue386_Op386SETNE(v)
   197  	case Op386SHLL:
   198  		return rewriteValue386_Op386SHLL(v)
   199  	case Op386SHLLconst:
   200  		return rewriteValue386_Op386SHLLconst(v)
   201  	case Op386SHRB:
   202  		return rewriteValue386_Op386SHRB(v)
   203  	case Op386SHRBconst:
   204  		return rewriteValue386_Op386SHRBconst(v)
   205  	case Op386SHRL:
   206  		return rewriteValue386_Op386SHRL(v)
   207  	case Op386SHRLconst:
   208  		return rewriteValue386_Op386SHRLconst(v)
   209  	case Op386SHRW:
   210  		return rewriteValue386_Op386SHRW(v)
   211  	case Op386SHRWconst:
   212  		return rewriteValue386_Op386SHRWconst(v)
   213  	case Op386SUBL:
   214  		return rewriteValue386_Op386SUBL(v)
   215  	case Op386SUBLcarry:
   216  		return rewriteValue386_Op386SUBLcarry(v)
   217  	case Op386SUBLconst:
   218  		return rewriteValue386_Op386SUBLconst(v)
   219  	case Op386SUBLload:
   220  		return rewriteValue386_Op386SUBLload(v)
   221  	case Op386SUBLmodify:
   222  		return rewriteValue386_Op386SUBLmodify(v)
   223  	case Op386SUBSD:
   224  		return rewriteValue386_Op386SUBSD(v)
   225  	case Op386SUBSDload:
   226  		return rewriteValue386_Op386SUBSDload(v)
   227  	case Op386SUBSS:
   228  		return rewriteValue386_Op386SUBSS(v)
   229  	case Op386SUBSSload:
   230  		return rewriteValue386_Op386SUBSSload(v)
   231  	case Op386XORL:
   232  		return rewriteValue386_Op386XORL(v)
   233  	case Op386XORLconst:
   234  		return rewriteValue386_Op386XORLconst(v)
   235  	case Op386XORLconstmodify:
   236  		return rewriteValue386_Op386XORLconstmodify(v)
   237  	case Op386XORLload:
   238  		return rewriteValue386_Op386XORLload(v)
   239  	case Op386XORLmodify:
   240  		return rewriteValue386_Op386XORLmodify(v)
   241  	case OpAdd16:
   242  		v.Op = Op386ADDL
   243  		return true
   244  	case OpAdd32:
   245  		v.Op = Op386ADDL
   246  		return true
   247  	case OpAdd32F:
   248  		v.Op = Op386ADDSS
   249  		return true
   250  	case OpAdd32carry:
   251  		v.Op = Op386ADDLcarry
   252  		return true
   253  	case OpAdd32withcarry:
   254  		v.Op = Op386ADCL
   255  		return true
   256  	case OpAdd64F:
   257  		v.Op = Op386ADDSD
   258  		return true
   259  	case OpAdd8:
   260  		v.Op = Op386ADDL
   261  		return true
   262  	case OpAddPtr:
   263  		v.Op = Op386ADDL
   264  		return true
   265  	case OpAddr:
   266  		return rewriteValue386_OpAddr(v)
   267  	case OpAnd16:
   268  		v.Op = Op386ANDL
   269  		return true
   270  	case OpAnd32:
   271  		v.Op = Op386ANDL
   272  		return true
   273  	case OpAnd8:
   274  		v.Op = Op386ANDL
   275  		return true
   276  	case OpAndB:
   277  		v.Op = Op386ANDL
   278  		return true
   279  	case OpAvg32u:
   280  		v.Op = Op386AVGLU
   281  		return true
   282  	case OpBswap32:
   283  		v.Op = Op386BSWAPL
   284  		return true
   285  	case OpClosureCall:
   286  		v.Op = Op386CALLclosure
   287  		return true
   288  	case OpCom16:
   289  		v.Op = Op386NOTL
   290  		return true
   291  	case OpCom32:
   292  		v.Op = Op386NOTL
   293  		return true
   294  	case OpCom8:
   295  		v.Op = Op386NOTL
   296  		return true
   297  	case OpConst16:
   298  		return rewriteValue386_OpConst16(v)
   299  	case OpConst32:
   300  		v.Op = Op386MOVLconst
   301  		return true
   302  	case OpConst32F:
   303  		v.Op = Op386MOVSSconst
   304  		return true
   305  	case OpConst64F:
   306  		v.Op = Op386MOVSDconst
   307  		return true
   308  	case OpConst8:
   309  		return rewriteValue386_OpConst8(v)
   310  	case OpConstBool:
   311  		return rewriteValue386_OpConstBool(v)
   312  	case OpConstNil:
   313  		return rewriteValue386_OpConstNil(v)
   314  	case OpCtz16:
   315  		return rewriteValue386_OpCtz16(v)
   316  	case OpCtz16NonZero:
   317  		v.Op = Op386BSFL
   318  		return true
   319  	case OpCvt32Fto32:
   320  		v.Op = Op386CVTTSS2SL
   321  		return true
   322  	case OpCvt32Fto64F:
   323  		v.Op = Op386CVTSS2SD
   324  		return true
   325  	case OpCvt32to32F:
   326  		v.Op = Op386CVTSL2SS
   327  		return true
   328  	case OpCvt32to64F:
   329  		v.Op = Op386CVTSL2SD
   330  		return true
   331  	case OpCvt64Fto32:
   332  		v.Op = Op386CVTTSD2SL
   333  		return true
   334  	case OpCvt64Fto32F:
   335  		v.Op = Op386CVTSD2SS
   336  		return true
   337  	case OpCvtBoolToUint8:
   338  		v.Op = OpCopy
   339  		return true
   340  	case OpDiv16:
   341  		v.Op = Op386DIVW
   342  		return true
   343  	case OpDiv16u:
   344  		v.Op = Op386DIVWU
   345  		return true
   346  	case OpDiv32:
   347  		v.Op = Op386DIVL
   348  		return true
   349  	case OpDiv32F:
   350  		v.Op = Op386DIVSS
   351  		return true
   352  	case OpDiv32u:
   353  		v.Op = Op386DIVLU
   354  		return true
   355  	case OpDiv64F:
   356  		v.Op = Op386DIVSD
   357  		return true
   358  	case OpDiv8:
   359  		return rewriteValue386_OpDiv8(v)
   360  	case OpDiv8u:
   361  		return rewriteValue386_OpDiv8u(v)
   362  	case OpEq16:
   363  		return rewriteValue386_OpEq16(v)
   364  	case OpEq32:
   365  		return rewriteValue386_OpEq32(v)
   366  	case OpEq32F:
   367  		return rewriteValue386_OpEq32F(v)
   368  	case OpEq64F:
   369  		return rewriteValue386_OpEq64F(v)
   370  	case OpEq8:
   371  		return rewriteValue386_OpEq8(v)
   372  	case OpEqB:
   373  		return rewriteValue386_OpEqB(v)
   374  	case OpEqPtr:
   375  		return rewriteValue386_OpEqPtr(v)
   376  	case OpGetCallerPC:
   377  		v.Op = Op386LoweredGetCallerPC
   378  		return true
   379  	case OpGetCallerSP:
   380  		v.Op = Op386LoweredGetCallerSP
   381  		return true
   382  	case OpGetClosurePtr:
   383  		v.Op = Op386LoweredGetClosurePtr
   384  		return true
   385  	case OpGetG:
   386  		v.Op = Op386LoweredGetG
   387  		return true
   388  	case OpHmul32:
   389  		v.Op = Op386HMULL
   390  		return true
   391  	case OpHmul32u:
   392  		v.Op = Op386HMULLU
   393  		return true
   394  	case OpInterCall:
   395  		v.Op = Op386CALLinter
   396  		return true
   397  	case OpIsInBounds:
   398  		return rewriteValue386_OpIsInBounds(v)
   399  	case OpIsNonNil:
   400  		return rewriteValue386_OpIsNonNil(v)
   401  	case OpIsSliceInBounds:
   402  		return rewriteValue386_OpIsSliceInBounds(v)
   403  	case OpLeq16:
   404  		return rewriteValue386_OpLeq16(v)
   405  	case OpLeq16U:
   406  		return rewriteValue386_OpLeq16U(v)
   407  	case OpLeq32:
   408  		return rewriteValue386_OpLeq32(v)
   409  	case OpLeq32F:
   410  		return rewriteValue386_OpLeq32F(v)
   411  	case OpLeq32U:
   412  		return rewriteValue386_OpLeq32U(v)
   413  	case OpLeq64F:
   414  		return rewriteValue386_OpLeq64F(v)
   415  	case OpLeq8:
   416  		return rewriteValue386_OpLeq8(v)
   417  	case OpLeq8U:
   418  		return rewriteValue386_OpLeq8U(v)
   419  	case OpLess16:
   420  		return rewriteValue386_OpLess16(v)
   421  	case OpLess16U:
   422  		return rewriteValue386_OpLess16U(v)
   423  	case OpLess32:
   424  		return rewriteValue386_OpLess32(v)
   425  	case OpLess32F:
   426  		return rewriteValue386_OpLess32F(v)
   427  	case OpLess32U:
   428  		return rewriteValue386_OpLess32U(v)
   429  	case OpLess64F:
   430  		return rewriteValue386_OpLess64F(v)
   431  	case OpLess8:
   432  		return rewriteValue386_OpLess8(v)
   433  	case OpLess8U:
   434  		return rewriteValue386_OpLess8U(v)
   435  	case OpLoad:
   436  		return rewriteValue386_OpLoad(v)
   437  	case OpLocalAddr:
   438  		return rewriteValue386_OpLocalAddr(v)
   439  	case OpLsh16x16:
   440  		return rewriteValue386_OpLsh16x16(v)
   441  	case OpLsh16x32:
   442  		return rewriteValue386_OpLsh16x32(v)
   443  	case OpLsh16x64:
   444  		return rewriteValue386_OpLsh16x64(v)
   445  	case OpLsh16x8:
   446  		return rewriteValue386_OpLsh16x8(v)
   447  	case OpLsh32x16:
   448  		return rewriteValue386_OpLsh32x16(v)
   449  	case OpLsh32x32:
   450  		return rewriteValue386_OpLsh32x32(v)
   451  	case OpLsh32x64:
   452  		return rewriteValue386_OpLsh32x64(v)
   453  	case OpLsh32x8:
   454  		return rewriteValue386_OpLsh32x8(v)
   455  	case OpLsh8x16:
   456  		return rewriteValue386_OpLsh8x16(v)
   457  	case OpLsh8x32:
   458  		return rewriteValue386_OpLsh8x32(v)
   459  	case OpLsh8x64:
   460  		return rewriteValue386_OpLsh8x64(v)
   461  	case OpLsh8x8:
   462  		return rewriteValue386_OpLsh8x8(v)
   463  	case OpMod16:
   464  		v.Op = Op386MODW
   465  		return true
   466  	case OpMod16u:
   467  		v.Op = Op386MODWU
   468  		return true
   469  	case OpMod32:
   470  		v.Op = Op386MODL
   471  		return true
   472  	case OpMod32u:
   473  		v.Op = Op386MODLU
   474  		return true
   475  	case OpMod8:
   476  		return rewriteValue386_OpMod8(v)
   477  	case OpMod8u:
   478  		return rewriteValue386_OpMod8u(v)
   479  	case OpMove:
   480  		return rewriteValue386_OpMove(v)
   481  	case OpMul16:
   482  		v.Op = Op386MULL
   483  		return true
   484  	case OpMul32:
   485  		v.Op = Op386MULL
   486  		return true
   487  	case OpMul32F:
   488  		v.Op = Op386MULSS
   489  		return true
   490  	case OpMul32uhilo:
   491  		v.Op = Op386MULLQU
   492  		return true
   493  	case OpMul64F:
   494  		v.Op = Op386MULSD
   495  		return true
   496  	case OpMul8:
   497  		v.Op = Op386MULL
   498  		return true
   499  	case OpNeg16:
   500  		v.Op = Op386NEGL
   501  		return true
   502  	case OpNeg32:
   503  		v.Op = Op386NEGL
   504  		return true
   505  	case OpNeg32F:
   506  		return rewriteValue386_OpNeg32F(v)
   507  	case OpNeg64F:
   508  		return rewriteValue386_OpNeg64F(v)
   509  	case OpNeg8:
   510  		v.Op = Op386NEGL
   511  		return true
   512  	case OpNeq16:
   513  		return rewriteValue386_OpNeq16(v)
   514  	case OpNeq32:
   515  		return rewriteValue386_OpNeq32(v)
   516  	case OpNeq32F:
   517  		return rewriteValue386_OpNeq32F(v)
   518  	case OpNeq64F:
   519  		return rewriteValue386_OpNeq64F(v)
   520  	case OpNeq8:
   521  		return rewriteValue386_OpNeq8(v)
   522  	case OpNeqB:
   523  		return rewriteValue386_OpNeqB(v)
   524  	case OpNeqPtr:
   525  		return rewriteValue386_OpNeqPtr(v)
   526  	case OpNilCheck:
   527  		v.Op = Op386LoweredNilCheck
   528  		return true
   529  	case OpNot:
   530  		return rewriteValue386_OpNot(v)
   531  	case OpOffPtr:
   532  		return rewriteValue386_OpOffPtr(v)
   533  	case OpOr16:
   534  		v.Op = Op386ORL
   535  		return true
   536  	case OpOr32:
   537  		v.Op = Op386ORL
   538  		return true
   539  	case OpOr8:
   540  		v.Op = Op386ORL
   541  		return true
   542  	case OpOrB:
   543  		v.Op = Op386ORL
   544  		return true
   545  	case OpPanicBounds:
   546  		return rewriteValue386_OpPanicBounds(v)
   547  	case OpPanicExtend:
   548  		return rewriteValue386_OpPanicExtend(v)
   549  	case OpRotateLeft16:
   550  		v.Op = Op386ROLW
   551  		return true
   552  	case OpRotateLeft32:
   553  		v.Op = Op386ROLL
   554  		return true
   555  	case OpRotateLeft8:
   556  		v.Op = Op386ROLB
   557  		return true
   558  	case OpRound32F:
   559  		v.Op = OpCopy
   560  		return true
   561  	case OpRound64F:
   562  		v.Op = OpCopy
   563  		return true
   564  	case OpRsh16Ux16:
   565  		return rewriteValue386_OpRsh16Ux16(v)
   566  	case OpRsh16Ux32:
   567  		return rewriteValue386_OpRsh16Ux32(v)
   568  	case OpRsh16Ux64:
   569  		return rewriteValue386_OpRsh16Ux64(v)
   570  	case OpRsh16Ux8:
   571  		return rewriteValue386_OpRsh16Ux8(v)
   572  	case OpRsh16x16:
   573  		return rewriteValue386_OpRsh16x16(v)
   574  	case OpRsh16x32:
   575  		return rewriteValue386_OpRsh16x32(v)
   576  	case OpRsh16x64:
   577  		return rewriteValue386_OpRsh16x64(v)
   578  	case OpRsh16x8:
   579  		return rewriteValue386_OpRsh16x8(v)
   580  	case OpRsh32Ux16:
   581  		return rewriteValue386_OpRsh32Ux16(v)
   582  	case OpRsh32Ux32:
   583  		return rewriteValue386_OpRsh32Ux32(v)
   584  	case OpRsh32Ux64:
   585  		return rewriteValue386_OpRsh32Ux64(v)
   586  	case OpRsh32Ux8:
   587  		return rewriteValue386_OpRsh32Ux8(v)
   588  	case OpRsh32x16:
   589  		return rewriteValue386_OpRsh32x16(v)
   590  	case OpRsh32x32:
   591  		return rewriteValue386_OpRsh32x32(v)
   592  	case OpRsh32x64:
   593  		return rewriteValue386_OpRsh32x64(v)
   594  	case OpRsh32x8:
   595  		return rewriteValue386_OpRsh32x8(v)
   596  	case OpRsh8Ux16:
   597  		return rewriteValue386_OpRsh8Ux16(v)
   598  	case OpRsh8Ux32:
   599  		return rewriteValue386_OpRsh8Ux32(v)
   600  	case OpRsh8Ux64:
   601  		return rewriteValue386_OpRsh8Ux64(v)
   602  	case OpRsh8Ux8:
   603  		return rewriteValue386_OpRsh8Ux8(v)
   604  	case OpRsh8x16:
   605  		return rewriteValue386_OpRsh8x16(v)
   606  	case OpRsh8x32:
   607  		return rewriteValue386_OpRsh8x32(v)
   608  	case OpRsh8x64:
   609  		return rewriteValue386_OpRsh8x64(v)
   610  	case OpRsh8x8:
   611  		return rewriteValue386_OpRsh8x8(v)
   612  	case OpSelect0:
   613  		return rewriteValue386_OpSelect0(v)
   614  	case OpSelect1:
   615  		return rewriteValue386_OpSelect1(v)
   616  	case OpSignExt16to32:
   617  		v.Op = Op386MOVWLSX
   618  		return true
   619  	case OpSignExt8to16:
   620  		v.Op = Op386MOVBLSX
   621  		return true
   622  	case OpSignExt8to32:
   623  		v.Op = Op386MOVBLSX
   624  		return true
   625  	case OpSignmask:
   626  		return rewriteValue386_OpSignmask(v)
   627  	case OpSlicemask:
   628  		return rewriteValue386_OpSlicemask(v)
   629  	case OpSqrt:
   630  		v.Op = Op386SQRTSD
   631  		return true
   632  	case OpSqrt32:
   633  		v.Op = Op386SQRTSS
   634  		return true
   635  	case OpStaticCall:
   636  		v.Op = Op386CALLstatic
   637  		return true
   638  	case OpStore:
   639  		return rewriteValue386_OpStore(v)
   640  	case OpSub16:
   641  		v.Op = Op386SUBL
   642  		return true
   643  	case OpSub32:
   644  		v.Op = Op386SUBL
   645  		return true
   646  	case OpSub32F:
   647  		v.Op = Op386SUBSS
   648  		return true
   649  	case OpSub32carry:
   650  		v.Op = Op386SUBLcarry
   651  		return true
   652  	case OpSub32withcarry:
   653  		v.Op = Op386SBBL
   654  		return true
   655  	case OpSub64F:
   656  		v.Op = Op386SUBSD
   657  		return true
   658  	case OpSub8:
   659  		v.Op = Op386SUBL
   660  		return true
   661  	case OpSubPtr:
   662  		v.Op = Op386SUBL
   663  		return true
   664  	case OpTailCall:
   665  		v.Op = Op386CALLtail
   666  		return true
   667  	case OpTrunc16to8:
   668  		v.Op = OpCopy
   669  		return true
   670  	case OpTrunc32to16:
   671  		v.Op = OpCopy
   672  		return true
   673  	case OpTrunc32to8:
   674  		v.Op = OpCopy
   675  		return true
   676  	case OpWB:
   677  		v.Op = Op386LoweredWB
   678  		return true
   679  	case OpXor16:
   680  		v.Op = Op386XORL
   681  		return true
   682  	case OpXor32:
   683  		v.Op = Op386XORL
   684  		return true
   685  	case OpXor8:
   686  		v.Op = Op386XORL
   687  		return true
   688  	case OpZero:
   689  		return rewriteValue386_OpZero(v)
   690  	case OpZeroExt16to32:
   691  		v.Op = Op386MOVWLZX
   692  		return true
   693  	case OpZeroExt8to16:
   694  		v.Op = Op386MOVBLZX
   695  		return true
   696  	case OpZeroExt8to32:
   697  		v.Op = Op386MOVBLZX
   698  		return true
   699  	case OpZeromask:
   700  		return rewriteValue386_OpZeromask(v)
   701  	}
   702  	return false
   703  }
   704  func rewriteValue386_Op386ADCL(v *Value) bool {
   705  	v_2 := v.Args[2]
   706  	v_1 := v.Args[1]
   707  	v_0 := v.Args[0]
   708  	// match: (ADCL x (MOVLconst [c]) f)
   709  	// result: (ADCLconst [c] x f)
   710  	for {
   711  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   712  			x := v_0
   713  			if v_1.Op != Op386MOVLconst {
   714  				continue
   715  			}
   716  			c := auxIntToInt32(v_1.AuxInt)
   717  			f := v_2
   718  			v.reset(Op386ADCLconst)
   719  			v.AuxInt = int32ToAuxInt(c)
   720  			v.AddArg2(x, f)
   721  			return true
   722  		}
   723  		break
   724  	}
   725  	return false
   726  }
   727  func rewriteValue386_Op386ADDL(v *Value) bool {
   728  	v_1 := v.Args[1]
   729  	v_0 := v.Args[0]
   730  	// match: (ADDL x (MOVLconst [c]))
   731  	// result: (ADDLconst [c] x)
   732  	for {
   733  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   734  			x := v_0
   735  			if v_1.Op != Op386MOVLconst {
   736  				continue
   737  			}
   738  			c := auxIntToInt32(v_1.AuxInt)
   739  			v.reset(Op386ADDLconst)
   740  			v.AuxInt = int32ToAuxInt(c)
   741  			v.AddArg(x)
   742  			return true
   743  		}
   744  		break
   745  	}
   746  	// match: (ADDL x (SHLLconst [3] y))
   747  	// result: (LEAL8 x y)
   748  	for {
   749  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   750  			x := v_0
   751  			if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 3 {
   752  				continue
   753  			}
   754  			y := v_1.Args[0]
   755  			v.reset(Op386LEAL8)
   756  			v.AddArg2(x, y)
   757  			return true
   758  		}
   759  		break
   760  	}
   761  	// match: (ADDL x (SHLLconst [2] y))
   762  	// result: (LEAL4 x y)
   763  	for {
   764  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   765  			x := v_0
   766  			if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 2 {
   767  				continue
   768  			}
   769  			y := v_1.Args[0]
   770  			v.reset(Op386LEAL4)
   771  			v.AddArg2(x, y)
   772  			return true
   773  		}
   774  		break
   775  	}
   776  	// match: (ADDL x (SHLLconst [1] y))
   777  	// result: (LEAL2 x y)
   778  	for {
   779  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   780  			x := v_0
   781  			if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 1 {
   782  				continue
   783  			}
   784  			y := v_1.Args[0]
   785  			v.reset(Op386LEAL2)
   786  			v.AddArg2(x, y)
   787  			return true
   788  		}
   789  		break
   790  	}
   791  	// match: (ADDL x (ADDL y y))
   792  	// result: (LEAL2 x y)
   793  	for {
   794  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   795  			x := v_0
   796  			if v_1.Op != Op386ADDL {
   797  				continue
   798  			}
   799  			y := v_1.Args[1]
   800  			if y != v_1.Args[0] {
   801  				continue
   802  			}
   803  			v.reset(Op386LEAL2)
   804  			v.AddArg2(x, y)
   805  			return true
   806  		}
   807  		break
   808  	}
   809  	// match: (ADDL x (ADDL x y))
   810  	// result: (LEAL2 y x)
   811  	for {
   812  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   813  			x := v_0
   814  			if v_1.Op != Op386ADDL {
   815  				continue
   816  			}
   817  			_ = v_1.Args[1]
   818  			v_1_0 := v_1.Args[0]
   819  			v_1_1 := v_1.Args[1]
   820  			for _i1 := 0; _i1 <= 1; _i1, v_1_0, v_1_1 = _i1+1, v_1_1, v_1_0 {
   821  				if x != v_1_0 {
   822  					continue
   823  				}
   824  				y := v_1_1
   825  				v.reset(Op386LEAL2)
   826  				v.AddArg2(y, x)
   827  				return true
   828  			}
   829  		}
   830  		break
   831  	}
   832  	// match: (ADDL (ADDLconst [c] x) y)
   833  	// result: (LEAL1 [c] x y)
   834  	for {
   835  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   836  			if v_0.Op != Op386ADDLconst {
   837  				continue
   838  			}
   839  			c := auxIntToInt32(v_0.AuxInt)
   840  			x := v_0.Args[0]
   841  			y := v_1
   842  			v.reset(Op386LEAL1)
   843  			v.AuxInt = int32ToAuxInt(c)
   844  			v.AddArg2(x, y)
   845  			return true
   846  		}
   847  		break
   848  	}
   849  	// match: (ADDL x (LEAL [c] {s} y))
   850  	// cond: x.Op != OpSB && y.Op != OpSB
   851  	// result: (LEAL1 [c] {s} x y)
   852  	for {
   853  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   854  			x := v_0
   855  			if v_1.Op != Op386LEAL {
   856  				continue
   857  			}
   858  			c := auxIntToInt32(v_1.AuxInt)
   859  			s := auxToSym(v_1.Aux)
   860  			y := v_1.Args[0]
   861  			if !(x.Op != OpSB && y.Op != OpSB) {
   862  				continue
   863  			}
   864  			v.reset(Op386LEAL1)
   865  			v.AuxInt = int32ToAuxInt(c)
   866  			v.Aux = symToAux(s)
   867  			v.AddArg2(x, y)
   868  			return true
   869  		}
   870  		break
   871  	}
   872  	// match: (ADDL x l:(MOVLload [off] {sym} ptr mem))
   873  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
   874  	// result: (ADDLload x [off] {sym} ptr mem)
   875  	for {
   876  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   877  			x := v_0
   878  			l := v_1
   879  			if l.Op != Op386MOVLload {
   880  				continue
   881  			}
   882  			off := auxIntToInt32(l.AuxInt)
   883  			sym := auxToSym(l.Aux)
   884  			mem := l.Args[1]
   885  			ptr := l.Args[0]
   886  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
   887  				continue
   888  			}
   889  			v.reset(Op386ADDLload)
   890  			v.AuxInt = int32ToAuxInt(off)
   891  			v.Aux = symToAux(sym)
   892  			v.AddArg3(x, ptr, mem)
   893  			return true
   894  		}
   895  		break
   896  	}
   897  	// match: (ADDL x (NEGL y))
   898  	// result: (SUBL x y)
   899  	for {
   900  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   901  			x := v_0
   902  			if v_1.Op != Op386NEGL {
   903  				continue
   904  			}
   905  			y := v_1.Args[0]
   906  			v.reset(Op386SUBL)
   907  			v.AddArg2(x, y)
   908  			return true
   909  		}
   910  		break
   911  	}
   912  	return false
   913  }
   914  func rewriteValue386_Op386ADDLcarry(v *Value) bool {
   915  	v_1 := v.Args[1]
   916  	v_0 := v.Args[0]
   917  	// match: (ADDLcarry x (MOVLconst [c]))
   918  	// result: (ADDLconstcarry [c] x)
   919  	for {
   920  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   921  			x := v_0
   922  			if v_1.Op != Op386MOVLconst {
   923  				continue
   924  			}
   925  			c := auxIntToInt32(v_1.AuxInt)
   926  			v.reset(Op386ADDLconstcarry)
   927  			v.AuxInt = int32ToAuxInt(c)
   928  			v.AddArg(x)
   929  			return true
   930  		}
   931  		break
   932  	}
   933  	return false
   934  }
   935  func rewriteValue386_Op386ADDLconst(v *Value) bool {
   936  	v_0 := v.Args[0]
   937  	// match: (ADDLconst [c] (ADDL x y))
   938  	// result: (LEAL1 [c] x y)
   939  	for {
   940  		c := auxIntToInt32(v.AuxInt)
   941  		if v_0.Op != Op386ADDL {
   942  			break
   943  		}
   944  		y := v_0.Args[1]
   945  		x := v_0.Args[0]
   946  		v.reset(Op386LEAL1)
   947  		v.AuxInt = int32ToAuxInt(c)
   948  		v.AddArg2(x, y)
   949  		return true
   950  	}
   951  	// match: (ADDLconst [c] (LEAL [d] {s} x))
   952  	// cond: is32Bit(int64(c)+int64(d))
   953  	// result: (LEAL [c+d] {s} x)
   954  	for {
   955  		c := auxIntToInt32(v.AuxInt)
   956  		if v_0.Op != Op386LEAL {
   957  			break
   958  		}
   959  		d := auxIntToInt32(v_0.AuxInt)
   960  		s := auxToSym(v_0.Aux)
   961  		x := v_0.Args[0]
   962  		if !(is32Bit(int64(c) + int64(d))) {
   963  			break
   964  		}
   965  		v.reset(Op386LEAL)
   966  		v.AuxInt = int32ToAuxInt(c + d)
   967  		v.Aux = symToAux(s)
   968  		v.AddArg(x)
   969  		return true
   970  	}
   971  	// match: (ADDLconst [c] x:(SP))
   972  	// result: (LEAL [c] x)
   973  	for {
   974  		c := auxIntToInt32(v.AuxInt)
   975  		x := v_0
   976  		if x.Op != OpSP {
   977  			break
   978  		}
   979  		v.reset(Op386LEAL)
   980  		v.AuxInt = int32ToAuxInt(c)
   981  		v.AddArg(x)
   982  		return true
   983  	}
   984  	// match: (ADDLconst [c] (LEAL1 [d] {s} x y))
   985  	// cond: is32Bit(int64(c)+int64(d))
   986  	// result: (LEAL1 [c+d] {s} x y)
   987  	for {
   988  		c := auxIntToInt32(v.AuxInt)
   989  		if v_0.Op != Op386LEAL1 {
   990  			break
   991  		}
   992  		d := auxIntToInt32(v_0.AuxInt)
   993  		s := auxToSym(v_0.Aux)
   994  		y := v_0.Args[1]
   995  		x := v_0.Args[0]
   996  		if !(is32Bit(int64(c) + int64(d))) {
   997  			break
   998  		}
   999  		v.reset(Op386LEAL1)
  1000  		v.AuxInt = int32ToAuxInt(c + d)
  1001  		v.Aux = symToAux(s)
  1002  		v.AddArg2(x, y)
  1003  		return true
  1004  	}
  1005  	// match: (ADDLconst [c] (LEAL2 [d] {s} x y))
  1006  	// cond: is32Bit(int64(c)+int64(d))
  1007  	// result: (LEAL2 [c+d] {s} x y)
  1008  	for {
  1009  		c := auxIntToInt32(v.AuxInt)
  1010  		if v_0.Op != Op386LEAL2 {
  1011  			break
  1012  		}
  1013  		d := auxIntToInt32(v_0.AuxInt)
  1014  		s := auxToSym(v_0.Aux)
  1015  		y := v_0.Args[1]
  1016  		x := v_0.Args[0]
  1017  		if !(is32Bit(int64(c) + int64(d))) {
  1018  			break
  1019  		}
  1020  		v.reset(Op386LEAL2)
  1021  		v.AuxInt = int32ToAuxInt(c + d)
  1022  		v.Aux = symToAux(s)
  1023  		v.AddArg2(x, y)
  1024  		return true
  1025  	}
  1026  	// match: (ADDLconst [c] (LEAL4 [d] {s} x y))
  1027  	// cond: is32Bit(int64(c)+int64(d))
  1028  	// result: (LEAL4 [c+d] {s} x y)
  1029  	for {
  1030  		c := auxIntToInt32(v.AuxInt)
  1031  		if v_0.Op != Op386LEAL4 {
  1032  			break
  1033  		}
  1034  		d := auxIntToInt32(v_0.AuxInt)
  1035  		s := auxToSym(v_0.Aux)
  1036  		y := v_0.Args[1]
  1037  		x := v_0.Args[0]
  1038  		if !(is32Bit(int64(c) + int64(d))) {
  1039  			break
  1040  		}
  1041  		v.reset(Op386LEAL4)
  1042  		v.AuxInt = int32ToAuxInt(c + d)
  1043  		v.Aux = symToAux(s)
  1044  		v.AddArg2(x, y)
  1045  		return true
  1046  	}
  1047  	// match: (ADDLconst [c] (LEAL8 [d] {s} x y))
  1048  	// cond: is32Bit(int64(c)+int64(d))
  1049  	// result: (LEAL8 [c+d] {s} x y)
  1050  	for {
  1051  		c := auxIntToInt32(v.AuxInt)
  1052  		if v_0.Op != Op386LEAL8 {
  1053  			break
  1054  		}
  1055  		d := auxIntToInt32(v_0.AuxInt)
  1056  		s := auxToSym(v_0.Aux)
  1057  		y := v_0.Args[1]
  1058  		x := v_0.Args[0]
  1059  		if !(is32Bit(int64(c) + int64(d))) {
  1060  			break
  1061  		}
  1062  		v.reset(Op386LEAL8)
  1063  		v.AuxInt = int32ToAuxInt(c + d)
  1064  		v.Aux = symToAux(s)
  1065  		v.AddArg2(x, y)
  1066  		return true
  1067  	}
  1068  	// match: (ADDLconst [c] x)
  1069  	// cond: c==0
  1070  	// result: x
  1071  	for {
  1072  		c := auxIntToInt32(v.AuxInt)
  1073  		x := v_0
  1074  		if !(c == 0) {
  1075  			break
  1076  		}
  1077  		v.copyOf(x)
  1078  		return true
  1079  	}
  1080  	// match: (ADDLconst [c] (MOVLconst [d]))
  1081  	// result: (MOVLconst [c+d])
  1082  	for {
  1083  		c := auxIntToInt32(v.AuxInt)
  1084  		if v_0.Op != Op386MOVLconst {
  1085  			break
  1086  		}
  1087  		d := auxIntToInt32(v_0.AuxInt)
  1088  		v.reset(Op386MOVLconst)
  1089  		v.AuxInt = int32ToAuxInt(c + d)
  1090  		return true
  1091  	}
  1092  	// match: (ADDLconst [c] (ADDLconst [d] x))
  1093  	// result: (ADDLconst [c+d] x)
  1094  	for {
  1095  		c := auxIntToInt32(v.AuxInt)
  1096  		if v_0.Op != Op386ADDLconst {
  1097  			break
  1098  		}
  1099  		d := auxIntToInt32(v_0.AuxInt)
  1100  		x := v_0.Args[0]
  1101  		v.reset(Op386ADDLconst)
  1102  		v.AuxInt = int32ToAuxInt(c + d)
  1103  		v.AddArg(x)
  1104  		return true
  1105  	}
  1106  	return false
  1107  }
  1108  func rewriteValue386_Op386ADDLconstmodify(v *Value) bool {
  1109  	v_1 := v.Args[1]
  1110  	v_0 := v.Args[0]
  1111  	b := v.Block
  1112  	config := b.Func.Config
  1113  	// match: (ADDLconstmodify [valoff1] {sym} (ADDLconst [off2] base) mem)
  1114  	// cond: valoff1.canAdd32(off2)
  1115  	// result: (ADDLconstmodify [valoff1.addOffset32(off2)] {sym} base mem)
  1116  	for {
  1117  		valoff1 := auxIntToValAndOff(v.AuxInt)
  1118  		sym := auxToSym(v.Aux)
  1119  		if v_0.Op != Op386ADDLconst {
  1120  			break
  1121  		}
  1122  		off2 := auxIntToInt32(v_0.AuxInt)
  1123  		base := v_0.Args[0]
  1124  		mem := v_1
  1125  		if !(valoff1.canAdd32(off2)) {
  1126  			break
  1127  		}
  1128  		v.reset(Op386ADDLconstmodify)
  1129  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  1130  		v.Aux = symToAux(sym)
  1131  		v.AddArg2(base, mem)
  1132  		return true
  1133  	}
  1134  	// match: (ADDLconstmodify [valoff1] {sym1} (LEAL [off2] {sym2} base) mem)
  1135  	// cond: valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1136  	// result: (ADDLconstmodify [valoff1.addOffset32(off2)] {mergeSym(sym1,sym2)} base mem)
  1137  	for {
  1138  		valoff1 := auxIntToValAndOff(v.AuxInt)
  1139  		sym1 := auxToSym(v.Aux)
  1140  		if v_0.Op != Op386LEAL {
  1141  			break
  1142  		}
  1143  		off2 := auxIntToInt32(v_0.AuxInt)
  1144  		sym2 := auxToSym(v_0.Aux)
  1145  		base := v_0.Args[0]
  1146  		mem := v_1
  1147  		if !(valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1148  			break
  1149  		}
  1150  		v.reset(Op386ADDLconstmodify)
  1151  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  1152  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1153  		v.AddArg2(base, mem)
  1154  		return true
  1155  	}
  1156  	return false
  1157  }
  1158  func rewriteValue386_Op386ADDLload(v *Value) bool {
  1159  	v_2 := v.Args[2]
  1160  	v_1 := v.Args[1]
  1161  	v_0 := v.Args[0]
  1162  	b := v.Block
  1163  	config := b.Func.Config
  1164  	// match: (ADDLload [off1] {sym} val (ADDLconst [off2] base) mem)
  1165  	// cond: is32Bit(int64(off1)+int64(off2))
  1166  	// result: (ADDLload [off1+off2] {sym} val base mem)
  1167  	for {
  1168  		off1 := auxIntToInt32(v.AuxInt)
  1169  		sym := auxToSym(v.Aux)
  1170  		val := v_0
  1171  		if v_1.Op != Op386ADDLconst {
  1172  			break
  1173  		}
  1174  		off2 := auxIntToInt32(v_1.AuxInt)
  1175  		base := v_1.Args[0]
  1176  		mem := v_2
  1177  		if !(is32Bit(int64(off1) + int64(off2))) {
  1178  			break
  1179  		}
  1180  		v.reset(Op386ADDLload)
  1181  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1182  		v.Aux = symToAux(sym)
  1183  		v.AddArg3(val, base, mem)
  1184  		return true
  1185  	}
  1186  	// match: (ADDLload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  1187  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1188  	// result: (ADDLload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  1189  	for {
  1190  		off1 := auxIntToInt32(v.AuxInt)
  1191  		sym1 := auxToSym(v.Aux)
  1192  		val := v_0
  1193  		if v_1.Op != Op386LEAL {
  1194  			break
  1195  		}
  1196  		off2 := auxIntToInt32(v_1.AuxInt)
  1197  		sym2 := auxToSym(v_1.Aux)
  1198  		base := v_1.Args[0]
  1199  		mem := v_2
  1200  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1201  			break
  1202  		}
  1203  		v.reset(Op386ADDLload)
  1204  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1205  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1206  		v.AddArg3(val, base, mem)
  1207  		return true
  1208  	}
  1209  	return false
  1210  }
  1211  func rewriteValue386_Op386ADDLmodify(v *Value) bool {
  1212  	v_2 := v.Args[2]
  1213  	v_1 := v.Args[1]
  1214  	v_0 := v.Args[0]
  1215  	b := v.Block
  1216  	config := b.Func.Config
  1217  	// match: (ADDLmodify [off1] {sym} (ADDLconst [off2] base) val mem)
  1218  	// cond: is32Bit(int64(off1)+int64(off2))
  1219  	// result: (ADDLmodify [off1+off2] {sym} base val mem)
  1220  	for {
  1221  		off1 := auxIntToInt32(v.AuxInt)
  1222  		sym := auxToSym(v.Aux)
  1223  		if v_0.Op != Op386ADDLconst {
  1224  			break
  1225  		}
  1226  		off2 := auxIntToInt32(v_0.AuxInt)
  1227  		base := v_0.Args[0]
  1228  		val := v_1
  1229  		mem := v_2
  1230  		if !(is32Bit(int64(off1) + int64(off2))) {
  1231  			break
  1232  		}
  1233  		v.reset(Op386ADDLmodify)
  1234  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1235  		v.Aux = symToAux(sym)
  1236  		v.AddArg3(base, val, mem)
  1237  		return true
  1238  	}
  1239  	// match: (ADDLmodify [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  1240  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1241  	// result: (ADDLmodify [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  1242  	for {
  1243  		off1 := auxIntToInt32(v.AuxInt)
  1244  		sym1 := auxToSym(v.Aux)
  1245  		if v_0.Op != Op386LEAL {
  1246  			break
  1247  		}
  1248  		off2 := auxIntToInt32(v_0.AuxInt)
  1249  		sym2 := auxToSym(v_0.Aux)
  1250  		base := v_0.Args[0]
  1251  		val := v_1
  1252  		mem := v_2
  1253  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1254  			break
  1255  		}
  1256  		v.reset(Op386ADDLmodify)
  1257  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1258  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1259  		v.AddArg3(base, val, mem)
  1260  		return true
  1261  	}
  1262  	return false
  1263  }
  1264  func rewriteValue386_Op386ADDSD(v *Value) bool {
  1265  	v_1 := v.Args[1]
  1266  	v_0 := v.Args[0]
  1267  	// match: (ADDSD x l:(MOVSDload [off] {sym} ptr mem))
  1268  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  1269  	// result: (ADDSDload x [off] {sym} ptr mem)
  1270  	for {
  1271  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1272  			x := v_0
  1273  			l := v_1
  1274  			if l.Op != Op386MOVSDload {
  1275  				continue
  1276  			}
  1277  			off := auxIntToInt32(l.AuxInt)
  1278  			sym := auxToSym(l.Aux)
  1279  			mem := l.Args[1]
  1280  			ptr := l.Args[0]
  1281  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  1282  				continue
  1283  			}
  1284  			v.reset(Op386ADDSDload)
  1285  			v.AuxInt = int32ToAuxInt(off)
  1286  			v.Aux = symToAux(sym)
  1287  			v.AddArg3(x, ptr, mem)
  1288  			return true
  1289  		}
  1290  		break
  1291  	}
  1292  	return false
  1293  }
  1294  func rewriteValue386_Op386ADDSDload(v *Value) bool {
  1295  	v_2 := v.Args[2]
  1296  	v_1 := v.Args[1]
  1297  	v_0 := v.Args[0]
  1298  	b := v.Block
  1299  	config := b.Func.Config
  1300  	// match: (ADDSDload [off1] {sym} val (ADDLconst [off2] base) mem)
  1301  	// cond: is32Bit(int64(off1)+int64(off2))
  1302  	// result: (ADDSDload [off1+off2] {sym} val base mem)
  1303  	for {
  1304  		off1 := auxIntToInt32(v.AuxInt)
  1305  		sym := auxToSym(v.Aux)
  1306  		val := v_0
  1307  		if v_1.Op != Op386ADDLconst {
  1308  			break
  1309  		}
  1310  		off2 := auxIntToInt32(v_1.AuxInt)
  1311  		base := v_1.Args[0]
  1312  		mem := v_2
  1313  		if !(is32Bit(int64(off1) + int64(off2))) {
  1314  			break
  1315  		}
  1316  		v.reset(Op386ADDSDload)
  1317  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1318  		v.Aux = symToAux(sym)
  1319  		v.AddArg3(val, base, mem)
  1320  		return true
  1321  	}
  1322  	// match: (ADDSDload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  1323  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1324  	// result: (ADDSDload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  1325  	for {
  1326  		off1 := auxIntToInt32(v.AuxInt)
  1327  		sym1 := auxToSym(v.Aux)
  1328  		val := v_0
  1329  		if v_1.Op != Op386LEAL {
  1330  			break
  1331  		}
  1332  		off2 := auxIntToInt32(v_1.AuxInt)
  1333  		sym2 := auxToSym(v_1.Aux)
  1334  		base := v_1.Args[0]
  1335  		mem := v_2
  1336  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1337  			break
  1338  		}
  1339  		v.reset(Op386ADDSDload)
  1340  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1341  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1342  		v.AddArg3(val, base, mem)
  1343  		return true
  1344  	}
  1345  	return false
  1346  }
  1347  func rewriteValue386_Op386ADDSS(v *Value) bool {
  1348  	v_1 := v.Args[1]
  1349  	v_0 := v.Args[0]
  1350  	// match: (ADDSS x l:(MOVSSload [off] {sym} ptr mem))
  1351  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  1352  	// result: (ADDSSload x [off] {sym} ptr mem)
  1353  	for {
  1354  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1355  			x := v_0
  1356  			l := v_1
  1357  			if l.Op != Op386MOVSSload {
  1358  				continue
  1359  			}
  1360  			off := auxIntToInt32(l.AuxInt)
  1361  			sym := auxToSym(l.Aux)
  1362  			mem := l.Args[1]
  1363  			ptr := l.Args[0]
  1364  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  1365  				continue
  1366  			}
  1367  			v.reset(Op386ADDSSload)
  1368  			v.AuxInt = int32ToAuxInt(off)
  1369  			v.Aux = symToAux(sym)
  1370  			v.AddArg3(x, ptr, mem)
  1371  			return true
  1372  		}
  1373  		break
  1374  	}
  1375  	return false
  1376  }
  1377  func rewriteValue386_Op386ADDSSload(v *Value) bool {
  1378  	v_2 := v.Args[2]
  1379  	v_1 := v.Args[1]
  1380  	v_0 := v.Args[0]
  1381  	b := v.Block
  1382  	config := b.Func.Config
  1383  	// match: (ADDSSload [off1] {sym} val (ADDLconst [off2] base) mem)
  1384  	// cond: is32Bit(int64(off1)+int64(off2))
  1385  	// result: (ADDSSload [off1+off2] {sym} val base mem)
  1386  	for {
  1387  		off1 := auxIntToInt32(v.AuxInt)
  1388  		sym := auxToSym(v.Aux)
  1389  		val := v_0
  1390  		if v_1.Op != Op386ADDLconst {
  1391  			break
  1392  		}
  1393  		off2 := auxIntToInt32(v_1.AuxInt)
  1394  		base := v_1.Args[0]
  1395  		mem := v_2
  1396  		if !(is32Bit(int64(off1) + int64(off2))) {
  1397  			break
  1398  		}
  1399  		v.reset(Op386ADDSSload)
  1400  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1401  		v.Aux = symToAux(sym)
  1402  		v.AddArg3(val, base, mem)
  1403  		return true
  1404  	}
  1405  	// match: (ADDSSload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  1406  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1407  	// result: (ADDSSload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  1408  	for {
  1409  		off1 := auxIntToInt32(v.AuxInt)
  1410  		sym1 := auxToSym(v.Aux)
  1411  		val := v_0
  1412  		if v_1.Op != Op386LEAL {
  1413  			break
  1414  		}
  1415  		off2 := auxIntToInt32(v_1.AuxInt)
  1416  		sym2 := auxToSym(v_1.Aux)
  1417  		base := v_1.Args[0]
  1418  		mem := v_2
  1419  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1420  			break
  1421  		}
  1422  		v.reset(Op386ADDSSload)
  1423  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1424  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1425  		v.AddArg3(val, base, mem)
  1426  		return true
  1427  	}
  1428  	return false
  1429  }
  1430  func rewriteValue386_Op386ANDL(v *Value) bool {
  1431  	v_1 := v.Args[1]
  1432  	v_0 := v.Args[0]
  1433  	// match: (ANDL x (MOVLconst [c]))
  1434  	// result: (ANDLconst [c] x)
  1435  	for {
  1436  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1437  			x := v_0
  1438  			if v_1.Op != Op386MOVLconst {
  1439  				continue
  1440  			}
  1441  			c := auxIntToInt32(v_1.AuxInt)
  1442  			v.reset(Op386ANDLconst)
  1443  			v.AuxInt = int32ToAuxInt(c)
  1444  			v.AddArg(x)
  1445  			return true
  1446  		}
  1447  		break
  1448  	}
  1449  	// match: (ANDL x l:(MOVLload [off] {sym} ptr mem))
  1450  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  1451  	// result: (ANDLload x [off] {sym} ptr mem)
  1452  	for {
  1453  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1454  			x := v_0
  1455  			l := v_1
  1456  			if l.Op != Op386MOVLload {
  1457  				continue
  1458  			}
  1459  			off := auxIntToInt32(l.AuxInt)
  1460  			sym := auxToSym(l.Aux)
  1461  			mem := l.Args[1]
  1462  			ptr := l.Args[0]
  1463  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  1464  				continue
  1465  			}
  1466  			v.reset(Op386ANDLload)
  1467  			v.AuxInt = int32ToAuxInt(off)
  1468  			v.Aux = symToAux(sym)
  1469  			v.AddArg3(x, ptr, mem)
  1470  			return true
  1471  		}
  1472  		break
  1473  	}
  1474  	// match: (ANDL x x)
  1475  	// result: x
  1476  	for {
  1477  		x := v_0
  1478  		if x != v_1 {
  1479  			break
  1480  		}
  1481  		v.copyOf(x)
  1482  		return true
  1483  	}
  1484  	return false
  1485  }
  1486  func rewriteValue386_Op386ANDLconst(v *Value) bool {
  1487  	v_0 := v.Args[0]
  1488  	// match: (ANDLconst [c] (ANDLconst [d] x))
  1489  	// result: (ANDLconst [c & d] x)
  1490  	for {
  1491  		c := auxIntToInt32(v.AuxInt)
  1492  		if v_0.Op != Op386ANDLconst {
  1493  			break
  1494  		}
  1495  		d := auxIntToInt32(v_0.AuxInt)
  1496  		x := v_0.Args[0]
  1497  		v.reset(Op386ANDLconst)
  1498  		v.AuxInt = int32ToAuxInt(c & d)
  1499  		v.AddArg(x)
  1500  		return true
  1501  	}
  1502  	// match: (ANDLconst [c] _)
  1503  	// cond: c==0
  1504  	// result: (MOVLconst [0])
  1505  	for {
  1506  		c := auxIntToInt32(v.AuxInt)
  1507  		if !(c == 0) {
  1508  			break
  1509  		}
  1510  		v.reset(Op386MOVLconst)
  1511  		v.AuxInt = int32ToAuxInt(0)
  1512  		return true
  1513  	}
  1514  	// match: (ANDLconst [c] x)
  1515  	// cond: c==-1
  1516  	// result: x
  1517  	for {
  1518  		c := auxIntToInt32(v.AuxInt)
  1519  		x := v_0
  1520  		if !(c == -1) {
  1521  			break
  1522  		}
  1523  		v.copyOf(x)
  1524  		return true
  1525  	}
  1526  	// match: (ANDLconst [c] (MOVLconst [d]))
  1527  	// result: (MOVLconst [c&d])
  1528  	for {
  1529  		c := auxIntToInt32(v.AuxInt)
  1530  		if v_0.Op != Op386MOVLconst {
  1531  			break
  1532  		}
  1533  		d := auxIntToInt32(v_0.AuxInt)
  1534  		v.reset(Op386MOVLconst)
  1535  		v.AuxInt = int32ToAuxInt(c & d)
  1536  		return true
  1537  	}
  1538  	return false
  1539  }
  1540  func rewriteValue386_Op386ANDLconstmodify(v *Value) bool {
  1541  	v_1 := v.Args[1]
  1542  	v_0 := v.Args[0]
  1543  	b := v.Block
  1544  	config := b.Func.Config
  1545  	// match: (ANDLconstmodify [valoff1] {sym} (ADDLconst [off2] base) mem)
  1546  	// cond: valoff1.canAdd32(off2)
  1547  	// result: (ANDLconstmodify [valoff1.addOffset32(off2)] {sym} base mem)
  1548  	for {
  1549  		valoff1 := auxIntToValAndOff(v.AuxInt)
  1550  		sym := auxToSym(v.Aux)
  1551  		if v_0.Op != Op386ADDLconst {
  1552  			break
  1553  		}
  1554  		off2 := auxIntToInt32(v_0.AuxInt)
  1555  		base := v_0.Args[0]
  1556  		mem := v_1
  1557  		if !(valoff1.canAdd32(off2)) {
  1558  			break
  1559  		}
  1560  		v.reset(Op386ANDLconstmodify)
  1561  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  1562  		v.Aux = symToAux(sym)
  1563  		v.AddArg2(base, mem)
  1564  		return true
  1565  	}
  1566  	// match: (ANDLconstmodify [valoff1] {sym1} (LEAL [off2] {sym2} base) mem)
  1567  	// cond: valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1568  	// result: (ANDLconstmodify [valoff1.addOffset32(off2)] {mergeSym(sym1,sym2)} base mem)
  1569  	for {
  1570  		valoff1 := auxIntToValAndOff(v.AuxInt)
  1571  		sym1 := auxToSym(v.Aux)
  1572  		if v_0.Op != Op386LEAL {
  1573  			break
  1574  		}
  1575  		off2 := auxIntToInt32(v_0.AuxInt)
  1576  		sym2 := auxToSym(v_0.Aux)
  1577  		base := v_0.Args[0]
  1578  		mem := v_1
  1579  		if !(valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1580  			break
  1581  		}
  1582  		v.reset(Op386ANDLconstmodify)
  1583  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  1584  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1585  		v.AddArg2(base, mem)
  1586  		return true
  1587  	}
  1588  	return false
  1589  }
  1590  func rewriteValue386_Op386ANDLload(v *Value) bool {
  1591  	v_2 := v.Args[2]
  1592  	v_1 := v.Args[1]
  1593  	v_0 := v.Args[0]
  1594  	b := v.Block
  1595  	config := b.Func.Config
  1596  	// match: (ANDLload [off1] {sym} val (ADDLconst [off2] base) mem)
  1597  	// cond: is32Bit(int64(off1)+int64(off2))
  1598  	// result: (ANDLload [off1+off2] {sym} val base mem)
  1599  	for {
  1600  		off1 := auxIntToInt32(v.AuxInt)
  1601  		sym := auxToSym(v.Aux)
  1602  		val := v_0
  1603  		if v_1.Op != Op386ADDLconst {
  1604  			break
  1605  		}
  1606  		off2 := auxIntToInt32(v_1.AuxInt)
  1607  		base := v_1.Args[0]
  1608  		mem := v_2
  1609  		if !(is32Bit(int64(off1) + int64(off2))) {
  1610  			break
  1611  		}
  1612  		v.reset(Op386ANDLload)
  1613  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1614  		v.Aux = symToAux(sym)
  1615  		v.AddArg3(val, base, mem)
  1616  		return true
  1617  	}
  1618  	// match: (ANDLload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  1619  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1620  	// result: (ANDLload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  1621  	for {
  1622  		off1 := auxIntToInt32(v.AuxInt)
  1623  		sym1 := auxToSym(v.Aux)
  1624  		val := v_0
  1625  		if v_1.Op != Op386LEAL {
  1626  			break
  1627  		}
  1628  		off2 := auxIntToInt32(v_1.AuxInt)
  1629  		sym2 := auxToSym(v_1.Aux)
  1630  		base := v_1.Args[0]
  1631  		mem := v_2
  1632  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1633  			break
  1634  		}
  1635  		v.reset(Op386ANDLload)
  1636  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1637  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1638  		v.AddArg3(val, base, mem)
  1639  		return true
  1640  	}
  1641  	return false
  1642  }
  1643  func rewriteValue386_Op386ANDLmodify(v *Value) bool {
  1644  	v_2 := v.Args[2]
  1645  	v_1 := v.Args[1]
  1646  	v_0 := v.Args[0]
  1647  	b := v.Block
  1648  	config := b.Func.Config
  1649  	// match: (ANDLmodify [off1] {sym} (ADDLconst [off2] base) val mem)
  1650  	// cond: is32Bit(int64(off1)+int64(off2))
  1651  	// result: (ANDLmodify [off1+off2] {sym} base val mem)
  1652  	for {
  1653  		off1 := auxIntToInt32(v.AuxInt)
  1654  		sym := auxToSym(v.Aux)
  1655  		if v_0.Op != Op386ADDLconst {
  1656  			break
  1657  		}
  1658  		off2 := auxIntToInt32(v_0.AuxInt)
  1659  		base := v_0.Args[0]
  1660  		val := v_1
  1661  		mem := v_2
  1662  		if !(is32Bit(int64(off1) + int64(off2))) {
  1663  			break
  1664  		}
  1665  		v.reset(Op386ANDLmodify)
  1666  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1667  		v.Aux = symToAux(sym)
  1668  		v.AddArg3(base, val, mem)
  1669  		return true
  1670  	}
  1671  	// match: (ANDLmodify [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  1672  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1673  	// result: (ANDLmodify [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  1674  	for {
  1675  		off1 := auxIntToInt32(v.AuxInt)
  1676  		sym1 := auxToSym(v.Aux)
  1677  		if v_0.Op != Op386LEAL {
  1678  			break
  1679  		}
  1680  		off2 := auxIntToInt32(v_0.AuxInt)
  1681  		sym2 := auxToSym(v_0.Aux)
  1682  		base := v_0.Args[0]
  1683  		val := v_1
  1684  		mem := v_2
  1685  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1686  			break
  1687  		}
  1688  		v.reset(Op386ANDLmodify)
  1689  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1690  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1691  		v.AddArg3(base, val, mem)
  1692  		return true
  1693  	}
  1694  	return false
  1695  }
  1696  func rewriteValue386_Op386CMPB(v *Value) bool {
  1697  	v_1 := v.Args[1]
  1698  	v_0 := v.Args[0]
  1699  	b := v.Block
  1700  	// match: (CMPB x (MOVLconst [c]))
  1701  	// result: (CMPBconst x [int8(c)])
  1702  	for {
  1703  		x := v_0
  1704  		if v_1.Op != Op386MOVLconst {
  1705  			break
  1706  		}
  1707  		c := auxIntToInt32(v_1.AuxInt)
  1708  		v.reset(Op386CMPBconst)
  1709  		v.AuxInt = int8ToAuxInt(int8(c))
  1710  		v.AddArg(x)
  1711  		return true
  1712  	}
  1713  	// match: (CMPB (MOVLconst [c]) x)
  1714  	// result: (InvertFlags (CMPBconst x [int8(c)]))
  1715  	for {
  1716  		if v_0.Op != Op386MOVLconst {
  1717  			break
  1718  		}
  1719  		c := auxIntToInt32(v_0.AuxInt)
  1720  		x := v_1
  1721  		v.reset(Op386InvertFlags)
  1722  		v0 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
  1723  		v0.AuxInt = int8ToAuxInt(int8(c))
  1724  		v0.AddArg(x)
  1725  		v.AddArg(v0)
  1726  		return true
  1727  	}
  1728  	// match: (CMPB x y)
  1729  	// cond: canonLessThan(x,y)
  1730  	// result: (InvertFlags (CMPB y x))
  1731  	for {
  1732  		x := v_0
  1733  		y := v_1
  1734  		if !(canonLessThan(x, y)) {
  1735  			break
  1736  		}
  1737  		v.reset(Op386InvertFlags)
  1738  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  1739  		v0.AddArg2(y, x)
  1740  		v.AddArg(v0)
  1741  		return true
  1742  	}
  1743  	// match: (CMPB l:(MOVBload {sym} [off] ptr mem) x)
  1744  	// cond: canMergeLoad(v, l) && clobber(l)
  1745  	// result: (CMPBload {sym} [off] ptr x mem)
  1746  	for {
  1747  		l := v_0
  1748  		if l.Op != Op386MOVBload {
  1749  			break
  1750  		}
  1751  		off := auxIntToInt32(l.AuxInt)
  1752  		sym := auxToSym(l.Aux)
  1753  		mem := l.Args[1]
  1754  		ptr := l.Args[0]
  1755  		x := v_1
  1756  		if !(canMergeLoad(v, l) && clobber(l)) {
  1757  			break
  1758  		}
  1759  		v.reset(Op386CMPBload)
  1760  		v.AuxInt = int32ToAuxInt(off)
  1761  		v.Aux = symToAux(sym)
  1762  		v.AddArg3(ptr, x, mem)
  1763  		return true
  1764  	}
  1765  	// match: (CMPB x l:(MOVBload {sym} [off] ptr mem))
  1766  	// cond: canMergeLoad(v, l) && clobber(l)
  1767  	// result: (InvertFlags (CMPBload {sym} [off] ptr x mem))
  1768  	for {
  1769  		x := v_0
  1770  		l := v_1
  1771  		if l.Op != Op386MOVBload {
  1772  			break
  1773  		}
  1774  		off := auxIntToInt32(l.AuxInt)
  1775  		sym := auxToSym(l.Aux)
  1776  		mem := l.Args[1]
  1777  		ptr := l.Args[0]
  1778  		if !(canMergeLoad(v, l) && clobber(l)) {
  1779  			break
  1780  		}
  1781  		v.reset(Op386InvertFlags)
  1782  		v0 := b.NewValue0(l.Pos, Op386CMPBload, types.TypeFlags)
  1783  		v0.AuxInt = int32ToAuxInt(off)
  1784  		v0.Aux = symToAux(sym)
  1785  		v0.AddArg3(ptr, x, mem)
  1786  		v.AddArg(v0)
  1787  		return true
  1788  	}
  1789  	return false
  1790  }
  1791  func rewriteValue386_Op386CMPBconst(v *Value) bool {
  1792  	v_0 := v.Args[0]
  1793  	b := v.Block
  1794  	// match: (CMPBconst (MOVLconst [x]) [y])
  1795  	// cond: int8(x)==y
  1796  	// result: (FlagEQ)
  1797  	for {
  1798  		y := auxIntToInt8(v.AuxInt)
  1799  		if v_0.Op != Op386MOVLconst {
  1800  			break
  1801  		}
  1802  		x := auxIntToInt32(v_0.AuxInt)
  1803  		if !(int8(x) == y) {
  1804  			break
  1805  		}
  1806  		v.reset(Op386FlagEQ)
  1807  		return true
  1808  	}
  1809  	// match: (CMPBconst (MOVLconst [x]) [y])
  1810  	// cond: int8(x)<y && uint8(x)<uint8(y)
  1811  	// result: (FlagLT_ULT)
  1812  	for {
  1813  		y := auxIntToInt8(v.AuxInt)
  1814  		if v_0.Op != Op386MOVLconst {
  1815  			break
  1816  		}
  1817  		x := auxIntToInt32(v_0.AuxInt)
  1818  		if !(int8(x) < y && uint8(x) < uint8(y)) {
  1819  			break
  1820  		}
  1821  		v.reset(Op386FlagLT_ULT)
  1822  		return true
  1823  	}
  1824  	// match: (CMPBconst (MOVLconst [x]) [y])
  1825  	// cond: int8(x)<y && uint8(x)>uint8(y)
  1826  	// result: (FlagLT_UGT)
  1827  	for {
  1828  		y := auxIntToInt8(v.AuxInt)
  1829  		if v_0.Op != Op386MOVLconst {
  1830  			break
  1831  		}
  1832  		x := auxIntToInt32(v_0.AuxInt)
  1833  		if !(int8(x) < y && uint8(x) > uint8(y)) {
  1834  			break
  1835  		}
  1836  		v.reset(Op386FlagLT_UGT)
  1837  		return true
  1838  	}
  1839  	// match: (CMPBconst (MOVLconst [x]) [y])
  1840  	// cond: int8(x)>y && uint8(x)<uint8(y)
  1841  	// result: (FlagGT_ULT)
  1842  	for {
  1843  		y := auxIntToInt8(v.AuxInt)
  1844  		if v_0.Op != Op386MOVLconst {
  1845  			break
  1846  		}
  1847  		x := auxIntToInt32(v_0.AuxInt)
  1848  		if !(int8(x) > y && uint8(x) < uint8(y)) {
  1849  			break
  1850  		}
  1851  		v.reset(Op386FlagGT_ULT)
  1852  		return true
  1853  	}
  1854  	// match: (CMPBconst (MOVLconst [x]) [y])
  1855  	// cond: int8(x)>y && uint8(x)>uint8(y)
  1856  	// result: (FlagGT_UGT)
  1857  	for {
  1858  		y := auxIntToInt8(v.AuxInt)
  1859  		if v_0.Op != Op386MOVLconst {
  1860  			break
  1861  		}
  1862  		x := auxIntToInt32(v_0.AuxInt)
  1863  		if !(int8(x) > y && uint8(x) > uint8(y)) {
  1864  			break
  1865  		}
  1866  		v.reset(Op386FlagGT_UGT)
  1867  		return true
  1868  	}
  1869  	// match: (CMPBconst (ANDLconst _ [m]) [n])
  1870  	// cond: 0 <= int8(m) && int8(m) < n
  1871  	// result: (FlagLT_ULT)
  1872  	for {
  1873  		n := auxIntToInt8(v.AuxInt)
  1874  		if v_0.Op != Op386ANDLconst {
  1875  			break
  1876  		}
  1877  		m := auxIntToInt32(v_0.AuxInt)
  1878  		if !(0 <= int8(m) && int8(m) < n) {
  1879  			break
  1880  		}
  1881  		v.reset(Op386FlagLT_ULT)
  1882  		return true
  1883  	}
  1884  	// match: (CMPBconst l:(ANDL x y) [0])
  1885  	// cond: l.Uses==1
  1886  	// result: (TESTB x y)
  1887  	for {
  1888  		if auxIntToInt8(v.AuxInt) != 0 {
  1889  			break
  1890  		}
  1891  		l := v_0
  1892  		if l.Op != Op386ANDL {
  1893  			break
  1894  		}
  1895  		y := l.Args[1]
  1896  		x := l.Args[0]
  1897  		if !(l.Uses == 1) {
  1898  			break
  1899  		}
  1900  		v.reset(Op386TESTB)
  1901  		v.AddArg2(x, y)
  1902  		return true
  1903  	}
  1904  	// match: (CMPBconst l:(ANDLconst [c] x) [0])
  1905  	// cond: l.Uses==1
  1906  	// result: (TESTBconst [int8(c)] x)
  1907  	for {
  1908  		if auxIntToInt8(v.AuxInt) != 0 {
  1909  			break
  1910  		}
  1911  		l := v_0
  1912  		if l.Op != Op386ANDLconst {
  1913  			break
  1914  		}
  1915  		c := auxIntToInt32(l.AuxInt)
  1916  		x := l.Args[0]
  1917  		if !(l.Uses == 1) {
  1918  			break
  1919  		}
  1920  		v.reset(Op386TESTBconst)
  1921  		v.AuxInt = int8ToAuxInt(int8(c))
  1922  		v.AddArg(x)
  1923  		return true
  1924  	}
  1925  	// match: (CMPBconst x [0])
  1926  	// result: (TESTB x x)
  1927  	for {
  1928  		if auxIntToInt8(v.AuxInt) != 0 {
  1929  			break
  1930  		}
  1931  		x := v_0
  1932  		v.reset(Op386TESTB)
  1933  		v.AddArg2(x, x)
  1934  		return true
  1935  	}
  1936  	// match: (CMPBconst l:(MOVBload {sym} [off] ptr mem) [c])
  1937  	// cond: l.Uses == 1 && clobber(l)
  1938  	// result: @l.Block (CMPBconstload {sym} [makeValAndOff(int32(c),off)] ptr mem)
  1939  	for {
  1940  		c := auxIntToInt8(v.AuxInt)
  1941  		l := v_0
  1942  		if l.Op != Op386MOVBload {
  1943  			break
  1944  		}
  1945  		off := auxIntToInt32(l.AuxInt)
  1946  		sym := auxToSym(l.Aux)
  1947  		mem := l.Args[1]
  1948  		ptr := l.Args[0]
  1949  		if !(l.Uses == 1 && clobber(l)) {
  1950  			break
  1951  		}
  1952  		b = l.Block
  1953  		v0 := b.NewValue0(l.Pos, Op386CMPBconstload, types.TypeFlags)
  1954  		v.copyOf(v0)
  1955  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(int32(c), off))
  1956  		v0.Aux = symToAux(sym)
  1957  		v0.AddArg2(ptr, mem)
  1958  		return true
  1959  	}
  1960  	return false
  1961  }
  1962  func rewriteValue386_Op386CMPBload(v *Value) bool {
  1963  	v_2 := v.Args[2]
  1964  	v_1 := v.Args[1]
  1965  	v_0 := v.Args[0]
  1966  	// match: (CMPBload {sym} [off] ptr (MOVLconst [c]) mem)
  1967  	// result: (CMPBconstload {sym} [makeValAndOff(int32(int8(c)),off)] ptr mem)
  1968  	for {
  1969  		off := auxIntToInt32(v.AuxInt)
  1970  		sym := auxToSym(v.Aux)
  1971  		ptr := v_0
  1972  		if v_1.Op != Op386MOVLconst {
  1973  			break
  1974  		}
  1975  		c := auxIntToInt32(v_1.AuxInt)
  1976  		mem := v_2
  1977  		v.reset(Op386CMPBconstload)
  1978  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(int32(int8(c)), off))
  1979  		v.Aux = symToAux(sym)
  1980  		v.AddArg2(ptr, mem)
  1981  		return true
  1982  	}
  1983  	return false
  1984  }
  1985  func rewriteValue386_Op386CMPL(v *Value) bool {
  1986  	v_1 := v.Args[1]
  1987  	v_0 := v.Args[0]
  1988  	b := v.Block
  1989  	// match: (CMPL x (MOVLconst [c]))
  1990  	// result: (CMPLconst x [c])
  1991  	for {
  1992  		x := v_0
  1993  		if v_1.Op != Op386MOVLconst {
  1994  			break
  1995  		}
  1996  		c := auxIntToInt32(v_1.AuxInt)
  1997  		v.reset(Op386CMPLconst)
  1998  		v.AuxInt = int32ToAuxInt(c)
  1999  		v.AddArg(x)
  2000  		return true
  2001  	}
  2002  	// match: (CMPL (MOVLconst [c]) x)
  2003  	// result: (InvertFlags (CMPLconst x [c]))
  2004  	for {
  2005  		if v_0.Op != Op386MOVLconst {
  2006  			break
  2007  		}
  2008  		c := auxIntToInt32(v_0.AuxInt)
  2009  		x := v_1
  2010  		v.reset(Op386InvertFlags)
  2011  		v0 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  2012  		v0.AuxInt = int32ToAuxInt(c)
  2013  		v0.AddArg(x)
  2014  		v.AddArg(v0)
  2015  		return true
  2016  	}
  2017  	// match: (CMPL x y)
  2018  	// cond: canonLessThan(x,y)
  2019  	// result: (InvertFlags (CMPL y x))
  2020  	for {
  2021  		x := v_0
  2022  		y := v_1
  2023  		if !(canonLessThan(x, y)) {
  2024  			break
  2025  		}
  2026  		v.reset(Op386InvertFlags)
  2027  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  2028  		v0.AddArg2(y, x)
  2029  		v.AddArg(v0)
  2030  		return true
  2031  	}
  2032  	// match: (CMPL l:(MOVLload {sym} [off] ptr mem) x)
  2033  	// cond: canMergeLoad(v, l) && clobber(l)
  2034  	// result: (CMPLload {sym} [off] ptr x mem)
  2035  	for {
  2036  		l := v_0
  2037  		if l.Op != Op386MOVLload {
  2038  			break
  2039  		}
  2040  		off := auxIntToInt32(l.AuxInt)
  2041  		sym := auxToSym(l.Aux)
  2042  		mem := l.Args[1]
  2043  		ptr := l.Args[0]
  2044  		x := v_1
  2045  		if !(canMergeLoad(v, l) && clobber(l)) {
  2046  			break
  2047  		}
  2048  		v.reset(Op386CMPLload)
  2049  		v.AuxInt = int32ToAuxInt(off)
  2050  		v.Aux = symToAux(sym)
  2051  		v.AddArg3(ptr, x, mem)
  2052  		return true
  2053  	}
  2054  	// match: (CMPL x l:(MOVLload {sym} [off] ptr mem))
  2055  	// cond: canMergeLoad(v, l) && clobber(l)
  2056  	// result: (InvertFlags (CMPLload {sym} [off] ptr x mem))
  2057  	for {
  2058  		x := v_0
  2059  		l := v_1
  2060  		if l.Op != Op386MOVLload {
  2061  			break
  2062  		}
  2063  		off := auxIntToInt32(l.AuxInt)
  2064  		sym := auxToSym(l.Aux)
  2065  		mem := l.Args[1]
  2066  		ptr := l.Args[0]
  2067  		if !(canMergeLoad(v, l) && clobber(l)) {
  2068  			break
  2069  		}
  2070  		v.reset(Op386InvertFlags)
  2071  		v0 := b.NewValue0(l.Pos, Op386CMPLload, types.TypeFlags)
  2072  		v0.AuxInt = int32ToAuxInt(off)
  2073  		v0.Aux = symToAux(sym)
  2074  		v0.AddArg3(ptr, x, mem)
  2075  		v.AddArg(v0)
  2076  		return true
  2077  	}
  2078  	return false
  2079  }
  2080  func rewriteValue386_Op386CMPLconst(v *Value) bool {
  2081  	v_0 := v.Args[0]
  2082  	b := v.Block
  2083  	// match: (CMPLconst (MOVLconst [x]) [y])
  2084  	// cond: x==y
  2085  	// result: (FlagEQ)
  2086  	for {
  2087  		y := auxIntToInt32(v.AuxInt)
  2088  		if v_0.Op != Op386MOVLconst {
  2089  			break
  2090  		}
  2091  		x := auxIntToInt32(v_0.AuxInt)
  2092  		if !(x == y) {
  2093  			break
  2094  		}
  2095  		v.reset(Op386FlagEQ)
  2096  		return true
  2097  	}
  2098  	// match: (CMPLconst (MOVLconst [x]) [y])
  2099  	// cond: x<y && uint32(x)<uint32(y)
  2100  	// result: (FlagLT_ULT)
  2101  	for {
  2102  		y := auxIntToInt32(v.AuxInt)
  2103  		if v_0.Op != Op386MOVLconst {
  2104  			break
  2105  		}
  2106  		x := auxIntToInt32(v_0.AuxInt)
  2107  		if !(x < y && uint32(x) < uint32(y)) {
  2108  			break
  2109  		}
  2110  		v.reset(Op386FlagLT_ULT)
  2111  		return true
  2112  	}
  2113  	// match: (CMPLconst (MOVLconst [x]) [y])
  2114  	// cond: x<y && uint32(x)>uint32(y)
  2115  	// result: (FlagLT_UGT)
  2116  	for {
  2117  		y := auxIntToInt32(v.AuxInt)
  2118  		if v_0.Op != Op386MOVLconst {
  2119  			break
  2120  		}
  2121  		x := auxIntToInt32(v_0.AuxInt)
  2122  		if !(x < y && uint32(x) > uint32(y)) {
  2123  			break
  2124  		}
  2125  		v.reset(Op386FlagLT_UGT)
  2126  		return true
  2127  	}
  2128  	// match: (CMPLconst (MOVLconst [x]) [y])
  2129  	// cond: x>y && uint32(x)<uint32(y)
  2130  	// result: (FlagGT_ULT)
  2131  	for {
  2132  		y := auxIntToInt32(v.AuxInt)
  2133  		if v_0.Op != Op386MOVLconst {
  2134  			break
  2135  		}
  2136  		x := auxIntToInt32(v_0.AuxInt)
  2137  		if !(x > y && uint32(x) < uint32(y)) {
  2138  			break
  2139  		}
  2140  		v.reset(Op386FlagGT_ULT)
  2141  		return true
  2142  	}
  2143  	// match: (CMPLconst (MOVLconst [x]) [y])
  2144  	// cond: x>y && uint32(x)>uint32(y)
  2145  	// result: (FlagGT_UGT)
  2146  	for {
  2147  		y := auxIntToInt32(v.AuxInt)
  2148  		if v_0.Op != Op386MOVLconst {
  2149  			break
  2150  		}
  2151  		x := auxIntToInt32(v_0.AuxInt)
  2152  		if !(x > y && uint32(x) > uint32(y)) {
  2153  			break
  2154  		}
  2155  		v.reset(Op386FlagGT_UGT)
  2156  		return true
  2157  	}
  2158  	// match: (CMPLconst (SHRLconst _ [c]) [n])
  2159  	// cond: 0 <= n && 0 < c && c <= 32 && (1<<uint64(32-c)) <= uint64(n)
  2160  	// result: (FlagLT_ULT)
  2161  	for {
  2162  		n := auxIntToInt32(v.AuxInt)
  2163  		if v_0.Op != Op386SHRLconst {
  2164  			break
  2165  		}
  2166  		c := auxIntToInt32(v_0.AuxInt)
  2167  		if !(0 <= n && 0 < c && c <= 32 && (1<<uint64(32-c)) <= uint64(n)) {
  2168  			break
  2169  		}
  2170  		v.reset(Op386FlagLT_ULT)
  2171  		return true
  2172  	}
  2173  	// match: (CMPLconst (ANDLconst _ [m]) [n])
  2174  	// cond: 0 <= m && m < n
  2175  	// result: (FlagLT_ULT)
  2176  	for {
  2177  		n := auxIntToInt32(v.AuxInt)
  2178  		if v_0.Op != Op386ANDLconst {
  2179  			break
  2180  		}
  2181  		m := auxIntToInt32(v_0.AuxInt)
  2182  		if !(0 <= m && m < n) {
  2183  			break
  2184  		}
  2185  		v.reset(Op386FlagLT_ULT)
  2186  		return true
  2187  	}
  2188  	// match: (CMPLconst l:(ANDL x y) [0])
  2189  	// cond: l.Uses==1
  2190  	// result: (TESTL x y)
  2191  	for {
  2192  		if auxIntToInt32(v.AuxInt) != 0 {
  2193  			break
  2194  		}
  2195  		l := v_0
  2196  		if l.Op != Op386ANDL {
  2197  			break
  2198  		}
  2199  		y := l.Args[1]
  2200  		x := l.Args[0]
  2201  		if !(l.Uses == 1) {
  2202  			break
  2203  		}
  2204  		v.reset(Op386TESTL)
  2205  		v.AddArg2(x, y)
  2206  		return true
  2207  	}
  2208  	// match: (CMPLconst l:(ANDLconst [c] x) [0])
  2209  	// cond: l.Uses==1
  2210  	// result: (TESTLconst [c] x)
  2211  	for {
  2212  		if auxIntToInt32(v.AuxInt) != 0 {
  2213  			break
  2214  		}
  2215  		l := v_0
  2216  		if l.Op != Op386ANDLconst {
  2217  			break
  2218  		}
  2219  		c := auxIntToInt32(l.AuxInt)
  2220  		x := l.Args[0]
  2221  		if !(l.Uses == 1) {
  2222  			break
  2223  		}
  2224  		v.reset(Op386TESTLconst)
  2225  		v.AuxInt = int32ToAuxInt(c)
  2226  		v.AddArg(x)
  2227  		return true
  2228  	}
  2229  	// match: (CMPLconst x [0])
  2230  	// result: (TESTL x x)
  2231  	for {
  2232  		if auxIntToInt32(v.AuxInt) != 0 {
  2233  			break
  2234  		}
  2235  		x := v_0
  2236  		v.reset(Op386TESTL)
  2237  		v.AddArg2(x, x)
  2238  		return true
  2239  	}
  2240  	// match: (CMPLconst l:(MOVLload {sym} [off] ptr mem) [c])
  2241  	// cond: l.Uses == 1 && clobber(l)
  2242  	// result: @l.Block (CMPLconstload {sym} [makeValAndOff(int32(c),off)] ptr mem)
  2243  	for {
  2244  		c := auxIntToInt32(v.AuxInt)
  2245  		l := v_0
  2246  		if l.Op != Op386MOVLload {
  2247  			break
  2248  		}
  2249  		off := auxIntToInt32(l.AuxInt)
  2250  		sym := auxToSym(l.Aux)
  2251  		mem := l.Args[1]
  2252  		ptr := l.Args[0]
  2253  		if !(l.Uses == 1 && clobber(l)) {
  2254  			break
  2255  		}
  2256  		b = l.Block
  2257  		v0 := b.NewValue0(l.Pos, Op386CMPLconstload, types.TypeFlags)
  2258  		v.copyOf(v0)
  2259  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(int32(c), off))
  2260  		v0.Aux = symToAux(sym)
  2261  		v0.AddArg2(ptr, mem)
  2262  		return true
  2263  	}
  2264  	return false
  2265  }
  2266  func rewriteValue386_Op386CMPLload(v *Value) bool {
  2267  	v_2 := v.Args[2]
  2268  	v_1 := v.Args[1]
  2269  	v_0 := v.Args[0]
  2270  	// match: (CMPLload {sym} [off] ptr (MOVLconst [c]) mem)
  2271  	// result: (CMPLconstload {sym} [makeValAndOff(c,off)] ptr mem)
  2272  	for {
  2273  		off := auxIntToInt32(v.AuxInt)
  2274  		sym := auxToSym(v.Aux)
  2275  		ptr := v_0
  2276  		if v_1.Op != Op386MOVLconst {
  2277  			break
  2278  		}
  2279  		c := auxIntToInt32(v_1.AuxInt)
  2280  		mem := v_2
  2281  		v.reset(Op386CMPLconstload)
  2282  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  2283  		v.Aux = symToAux(sym)
  2284  		v.AddArg2(ptr, mem)
  2285  		return true
  2286  	}
  2287  	return false
  2288  }
  2289  func rewriteValue386_Op386CMPW(v *Value) bool {
  2290  	v_1 := v.Args[1]
  2291  	v_0 := v.Args[0]
  2292  	b := v.Block
  2293  	// match: (CMPW x (MOVLconst [c]))
  2294  	// result: (CMPWconst x [int16(c)])
  2295  	for {
  2296  		x := v_0
  2297  		if v_1.Op != Op386MOVLconst {
  2298  			break
  2299  		}
  2300  		c := auxIntToInt32(v_1.AuxInt)
  2301  		v.reset(Op386CMPWconst)
  2302  		v.AuxInt = int16ToAuxInt(int16(c))
  2303  		v.AddArg(x)
  2304  		return true
  2305  	}
  2306  	// match: (CMPW (MOVLconst [c]) x)
  2307  	// result: (InvertFlags (CMPWconst x [int16(c)]))
  2308  	for {
  2309  		if v_0.Op != Op386MOVLconst {
  2310  			break
  2311  		}
  2312  		c := auxIntToInt32(v_0.AuxInt)
  2313  		x := v_1
  2314  		v.reset(Op386InvertFlags)
  2315  		v0 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  2316  		v0.AuxInt = int16ToAuxInt(int16(c))
  2317  		v0.AddArg(x)
  2318  		v.AddArg(v0)
  2319  		return true
  2320  	}
  2321  	// match: (CMPW x y)
  2322  	// cond: canonLessThan(x,y)
  2323  	// result: (InvertFlags (CMPW y x))
  2324  	for {
  2325  		x := v_0
  2326  		y := v_1
  2327  		if !(canonLessThan(x, y)) {
  2328  			break
  2329  		}
  2330  		v.reset(Op386InvertFlags)
  2331  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  2332  		v0.AddArg2(y, x)
  2333  		v.AddArg(v0)
  2334  		return true
  2335  	}
  2336  	// match: (CMPW l:(MOVWload {sym} [off] ptr mem) x)
  2337  	// cond: canMergeLoad(v, l) && clobber(l)
  2338  	// result: (CMPWload {sym} [off] ptr x mem)
  2339  	for {
  2340  		l := v_0
  2341  		if l.Op != Op386MOVWload {
  2342  			break
  2343  		}
  2344  		off := auxIntToInt32(l.AuxInt)
  2345  		sym := auxToSym(l.Aux)
  2346  		mem := l.Args[1]
  2347  		ptr := l.Args[0]
  2348  		x := v_1
  2349  		if !(canMergeLoad(v, l) && clobber(l)) {
  2350  			break
  2351  		}
  2352  		v.reset(Op386CMPWload)
  2353  		v.AuxInt = int32ToAuxInt(off)
  2354  		v.Aux = symToAux(sym)
  2355  		v.AddArg3(ptr, x, mem)
  2356  		return true
  2357  	}
  2358  	// match: (CMPW x l:(MOVWload {sym} [off] ptr mem))
  2359  	// cond: canMergeLoad(v, l) && clobber(l)
  2360  	// result: (InvertFlags (CMPWload {sym} [off] ptr x mem))
  2361  	for {
  2362  		x := v_0
  2363  		l := v_1
  2364  		if l.Op != Op386MOVWload {
  2365  			break
  2366  		}
  2367  		off := auxIntToInt32(l.AuxInt)
  2368  		sym := auxToSym(l.Aux)
  2369  		mem := l.Args[1]
  2370  		ptr := l.Args[0]
  2371  		if !(canMergeLoad(v, l) && clobber(l)) {
  2372  			break
  2373  		}
  2374  		v.reset(Op386InvertFlags)
  2375  		v0 := b.NewValue0(l.Pos, Op386CMPWload, types.TypeFlags)
  2376  		v0.AuxInt = int32ToAuxInt(off)
  2377  		v0.Aux = symToAux(sym)
  2378  		v0.AddArg3(ptr, x, mem)
  2379  		v.AddArg(v0)
  2380  		return true
  2381  	}
  2382  	return false
  2383  }
  2384  func rewriteValue386_Op386CMPWconst(v *Value) bool {
  2385  	v_0 := v.Args[0]
  2386  	b := v.Block
  2387  	// match: (CMPWconst (MOVLconst [x]) [y])
  2388  	// cond: int16(x)==y
  2389  	// result: (FlagEQ)
  2390  	for {
  2391  		y := auxIntToInt16(v.AuxInt)
  2392  		if v_0.Op != Op386MOVLconst {
  2393  			break
  2394  		}
  2395  		x := auxIntToInt32(v_0.AuxInt)
  2396  		if !(int16(x) == y) {
  2397  			break
  2398  		}
  2399  		v.reset(Op386FlagEQ)
  2400  		return true
  2401  	}
  2402  	// match: (CMPWconst (MOVLconst [x]) [y])
  2403  	// cond: int16(x)<y && uint16(x)<uint16(y)
  2404  	// result: (FlagLT_ULT)
  2405  	for {
  2406  		y := auxIntToInt16(v.AuxInt)
  2407  		if v_0.Op != Op386MOVLconst {
  2408  			break
  2409  		}
  2410  		x := auxIntToInt32(v_0.AuxInt)
  2411  		if !(int16(x) < y && uint16(x) < uint16(y)) {
  2412  			break
  2413  		}
  2414  		v.reset(Op386FlagLT_ULT)
  2415  		return true
  2416  	}
  2417  	// match: (CMPWconst (MOVLconst [x]) [y])
  2418  	// cond: int16(x)<y && uint16(x)>uint16(y)
  2419  	// result: (FlagLT_UGT)
  2420  	for {
  2421  		y := auxIntToInt16(v.AuxInt)
  2422  		if v_0.Op != Op386MOVLconst {
  2423  			break
  2424  		}
  2425  		x := auxIntToInt32(v_0.AuxInt)
  2426  		if !(int16(x) < y && uint16(x) > uint16(y)) {
  2427  			break
  2428  		}
  2429  		v.reset(Op386FlagLT_UGT)
  2430  		return true
  2431  	}
  2432  	// match: (CMPWconst (MOVLconst [x]) [y])
  2433  	// cond: int16(x)>y && uint16(x)<uint16(y)
  2434  	// result: (FlagGT_ULT)
  2435  	for {
  2436  		y := auxIntToInt16(v.AuxInt)
  2437  		if v_0.Op != Op386MOVLconst {
  2438  			break
  2439  		}
  2440  		x := auxIntToInt32(v_0.AuxInt)
  2441  		if !(int16(x) > y && uint16(x) < uint16(y)) {
  2442  			break
  2443  		}
  2444  		v.reset(Op386FlagGT_ULT)
  2445  		return true
  2446  	}
  2447  	// match: (CMPWconst (MOVLconst [x]) [y])
  2448  	// cond: int16(x)>y && uint16(x)>uint16(y)
  2449  	// result: (FlagGT_UGT)
  2450  	for {
  2451  		y := auxIntToInt16(v.AuxInt)
  2452  		if v_0.Op != Op386MOVLconst {
  2453  			break
  2454  		}
  2455  		x := auxIntToInt32(v_0.AuxInt)
  2456  		if !(int16(x) > y && uint16(x) > uint16(y)) {
  2457  			break
  2458  		}
  2459  		v.reset(Op386FlagGT_UGT)
  2460  		return true
  2461  	}
  2462  	// match: (CMPWconst (ANDLconst _ [m]) [n])
  2463  	// cond: 0 <= int16(m) && int16(m) < n
  2464  	// result: (FlagLT_ULT)
  2465  	for {
  2466  		n := auxIntToInt16(v.AuxInt)
  2467  		if v_0.Op != Op386ANDLconst {
  2468  			break
  2469  		}
  2470  		m := auxIntToInt32(v_0.AuxInt)
  2471  		if !(0 <= int16(m) && int16(m) < n) {
  2472  			break
  2473  		}
  2474  		v.reset(Op386FlagLT_ULT)
  2475  		return true
  2476  	}
  2477  	// match: (CMPWconst l:(ANDL x y) [0])
  2478  	// cond: l.Uses==1
  2479  	// result: (TESTW x y)
  2480  	for {
  2481  		if auxIntToInt16(v.AuxInt) != 0 {
  2482  			break
  2483  		}
  2484  		l := v_0
  2485  		if l.Op != Op386ANDL {
  2486  			break
  2487  		}
  2488  		y := l.Args[1]
  2489  		x := l.Args[0]
  2490  		if !(l.Uses == 1) {
  2491  			break
  2492  		}
  2493  		v.reset(Op386TESTW)
  2494  		v.AddArg2(x, y)
  2495  		return true
  2496  	}
  2497  	// match: (CMPWconst l:(ANDLconst [c] x) [0])
  2498  	// cond: l.Uses==1
  2499  	// result: (TESTWconst [int16(c)] x)
  2500  	for {
  2501  		if auxIntToInt16(v.AuxInt) != 0 {
  2502  			break
  2503  		}
  2504  		l := v_0
  2505  		if l.Op != Op386ANDLconst {
  2506  			break
  2507  		}
  2508  		c := auxIntToInt32(l.AuxInt)
  2509  		x := l.Args[0]
  2510  		if !(l.Uses == 1) {
  2511  			break
  2512  		}
  2513  		v.reset(Op386TESTWconst)
  2514  		v.AuxInt = int16ToAuxInt(int16(c))
  2515  		v.AddArg(x)
  2516  		return true
  2517  	}
  2518  	// match: (CMPWconst x [0])
  2519  	// result: (TESTW x x)
  2520  	for {
  2521  		if auxIntToInt16(v.AuxInt) != 0 {
  2522  			break
  2523  		}
  2524  		x := v_0
  2525  		v.reset(Op386TESTW)
  2526  		v.AddArg2(x, x)
  2527  		return true
  2528  	}
  2529  	// match: (CMPWconst l:(MOVWload {sym} [off] ptr mem) [c])
  2530  	// cond: l.Uses == 1 && clobber(l)
  2531  	// result: @l.Block (CMPWconstload {sym} [makeValAndOff(int32(c),off)] ptr mem)
  2532  	for {
  2533  		c := auxIntToInt16(v.AuxInt)
  2534  		l := v_0
  2535  		if l.Op != Op386MOVWload {
  2536  			break
  2537  		}
  2538  		off := auxIntToInt32(l.AuxInt)
  2539  		sym := auxToSym(l.Aux)
  2540  		mem := l.Args[1]
  2541  		ptr := l.Args[0]
  2542  		if !(l.Uses == 1 && clobber(l)) {
  2543  			break
  2544  		}
  2545  		b = l.Block
  2546  		v0 := b.NewValue0(l.Pos, Op386CMPWconstload, types.TypeFlags)
  2547  		v.copyOf(v0)
  2548  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(int32(c), off))
  2549  		v0.Aux = symToAux(sym)
  2550  		v0.AddArg2(ptr, mem)
  2551  		return true
  2552  	}
  2553  	return false
  2554  }
  2555  func rewriteValue386_Op386CMPWload(v *Value) bool {
  2556  	v_2 := v.Args[2]
  2557  	v_1 := v.Args[1]
  2558  	v_0 := v.Args[0]
  2559  	// match: (CMPWload {sym} [off] ptr (MOVLconst [c]) mem)
  2560  	// result: (CMPWconstload {sym} [makeValAndOff(int32(int16(c)),off)] ptr mem)
  2561  	for {
  2562  		off := auxIntToInt32(v.AuxInt)
  2563  		sym := auxToSym(v.Aux)
  2564  		ptr := v_0
  2565  		if v_1.Op != Op386MOVLconst {
  2566  			break
  2567  		}
  2568  		c := auxIntToInt32(v_1.AuxInt)
  2569  		mem := v_2
  2570  		v.reset(Op386CMPWconstload)
  2571  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(int32(int16(c)), off))
  2572  		v.Aux = symToAux(sym)
  2573  		v.AddArg2(ptr, mem)
  2574  		return true
  2575  	}
  2576  	return false
  2577  }
  2578  func rewriteValue386_Op386DIVSD(v *Value) bool {
  2579  	v_1 := v.Args[1]
  2580  	v_0 := v.Args[0]
  2581  	// match: (DIVSD x l:(MOVSDload [off] {sym} ptr mem))
  2582  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  2583  	// result: (DIVSDload x [off] {sym} ptr mem)
  2584  	for {
  2585  		x := v_0
  2586  		l := v_1
  2587  		if l.Op != Op386MOVSDload {
  2588  			break
  2589  		}
  2590  		off := auxIntToInt32(l.AuxInt)
  2591  		sym := auxToSym(l.Aux)
  2592  		mem := l.Args[1]
  2593  		ptr := l.Args[0]
  2594  		if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  2595  			break
  2596  		}
  2597  		v.reset(Op386DIVSDload)
  2598  		v.AuxInt = int32ToAuxInt(off)
  2599  		v.Aux = symToAux(sym)
  2600  		v.AddArg3(x, ptr, mem)
  2601  		return true
  2602  	}
  2603  	return false
  2604  }
  2605  func rewriteValue386_Op386DIVSDload(v *Value) bool {
  2606  	v_2 := v.Args[2]
  2607  	v_1 := v.Args[1]
  2608  	v_0 := v.Args[0]
  2609  	b := v.Block
  2610  	config := b.Func.Config
  2611  	// match: (DIVSDload [off1] {sym} val (ADDLconst [off2] base) mem)
  2612  	// cond: is32Bit(int64(off1)+int64(off2))
  2613  	// result: (DIVSDload [off1+off2] {sym} val base mem)
  2614  	for {
  2615  		off1 := auxIntToInt32(v.AuxInt)
  2616  		sym := auxToSym(v.Aux)
  2617  		val := v_0
  2618  		if v_1.Op != Op386ADDLconst {
  2619  			break
  2620  		}
  2621  		off2 := auxIntToInt32(v_1.AuxInt)
  2622  		base := v_1.Args[0]
  2623  		mem := v_2
  2624  		if !(is32Bit(int64(off1) + int64(off2))) {
  2625  			break
  2626  		}
  2627  		v.reset(Op386DIVSDload)
  2628  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2629  		v.Aux = symToAux(sym)
  2630  		v.AddArg3(val, base, mem)
  2631  		return true
  2632  	}
  2633  	// match: (DIVSDload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  2634  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  2635  	// result: (DIVSDload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  2636  	for {
  2637  		off1 := auxIntToInt32(v.AuxInt)
  2638  		sym1 := auxToSym(v.Aux)
  2639  		val := v_0
  2640  		if v_1.Op != Op386LEAL {
  2641  			break
  2642  		}
  2643  		off2 := auxIntToInt32(v_1.AuxInt)
  2644  		sym2 := auxToSym(v_1.Aux)
  2645  		base := v_1.Args[0]
  2646  		mem := v_2
  2647  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  2648  			break
  2649  		}
  2650  		v.reset(Op386DIVSDload)
  2651  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2652  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2653  		v.AddArg3(val, base, mem)
  2654  		return true
  2655  	}
  2656  	return false
  2657  }
  2658  func rewriteValue386_Op386DIVSS(v *Value) bool {
  2659  	v_1 := v.Args[1]
  2660  	v_0 := v.Args[0]
  2661  	// match: (DIVSS x l:(MOVSSload [off] {sym} ptr mem))
  2662  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  2663  	// result: (DIVSSload x [off] {sym} ptr mem)
  2664  	for {
  2665  		x := v_0
  2666  		l := v_1
  2667  		if l.Op != Op386MOVSSload {
  2668  			break
  2669  		}
  2670  		off := auxIntToInt32(l.AuxInt)
  2671  		sym := auxToSym(l.Aux)
  2672  		mem := l.Args[1]
  2673  		ptr := l.Args[0]
  2674  		if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  2675  			break
  2676  		}
  2677  		v.reset(Op386DIVSSload)
  2678  		v.AuxInt = int32ToAuxInt(off)
  2679  		v.Aux = symToAux(sym)
  2680  		v.AddArg3(x, ptr, mem)
  2681  		return true
  2682  	}
  2683  	return false
  2684  }
  2685  func rewriteValue386_Op386DIVSSload(v *Value) bool {
  2686  	v_2 := v.Args[2]
  2687  	v_1 := v.Args[1]
  2688  	v_0 := v.Args[0]
  2689  	b := v.Block
  2690  	config := b.Func.Config
  2691  	// match: (DIVSSload [off1] {sym} val (ADDLconst [off2] base) mem)
  2692  	// cond: is32Bit(int64(off1)+int64(off2))
  2693  	// result: (DIVSSload [off1+off2] {sym} val base mem)
  2694  	for {
  2695  		off1 := auxIntToInt32(v.AuxInt)
  2696  		sym := auxToSym(v.Aux)
  2697  		val := v_0
  2698  		if v_1.Op != Op386ADDLconst {
  2699  			break
  2700  		}
  2701  		off2 := auxIntToInt32(v_1.AuxInt)
  2702  		base := v_1.Args[0]
  2703  		mem := v_2
  2704  		if !(is32Bit(int64(off1) + int64(off2))) {
  2705  			break
  2706  		}
  2707  		v.reset(Op386DIVSSload)
  2708  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2709  		v.Aux = symToAux(sym)
  2710  		v.AddArg3(val, base, mem)
  2711  		return true
  2712  	}
  2713  	// match: (DIVSSload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  2714  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  2715  	// result: (DIVSSload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  2716  	for {
  2717  		off1 := auxIntToInt32(v.AuxInt)
  2718  		sym1 := auxToSym(v.Aux)
  2719  		val := v_0
  2720  		if v_1.Op != Op386LEAL {
  2721  			break
  2722  		}
  2723  		off2 := auxIntToInt32(v_1.AuxInt)
  2724  		sym2 := auxToSym(v_1.Aux)
  2725  		base := v_1.Args[0]
  2726  		mem := v_2
  2727  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  2728  			break
  2729  		}
  2730  		v.reset(Op386DIVSSload)
  2731  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2732  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2733  		v.AddArg3(val, base, mem)
  2734  		return true
  2735  	}
  2736  	return false
  2737  }
  2738  func rewriteValue386_Op386LEAL(v *Value) bool {
  2739  	v_0 := v.Args[0]
  2740  	// match: (LEAL [c] {s} (ADDLconst [d] x))
  2741  	// cond: is32Bit(int64(c)+int64(d))
  2742  	// result: (LEAL [c+d] {s} x)
  2743  	for {
  2744  		c := auxIntToInt32(v.AuxInt)
  2745  		s := auxToSym(v.Aux)
  2746  		if v_0.Op != Op386ADDLconst {
  2747  			break
  2748  		}
  2749  		d := auxIntToInt32(v_0.AuxInt)
  2750  		x := v_0.Args[0]
  2751  		if !(is32Bit(int64(c) + int64(d))) {
  2752  			break
  2753  		}
  2754  		v.reset(Op386LEAL)
  2755  		v.AuxInt = int32ToAuxInt(c + d)
  2756  		v.Aux = symToAux(s)
  2757  		v.AddArg(x)
  2758  		return true
  2759  	}
  2760  	// match: (LEAL [c] {s} (ADDL x y))
  2761  	// cond: x.Op != OpSB && y.Op != OpSB
  2762  	// result: (LEAL1 [c] {s} x y)
  2763  	for {
  2764  		c := auxIntToInt32(v.AuxInt)
  2765  		s := auxToSym(v.Aux)
  2766  		if v_0.Op != Op386ADDL {
  2767  			break
  2768  		}
  2769  		_ = v_0.Args[1]
  2770  		v_0_0 := v_0.Args[0]
  2771  		v_0_1 := v_0.Args[1]
  2772  		for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 {
  2773  			x := v_0_0
  2774  			y := v_0_1
  2775  			if !(x.Op != OpSB && y.Op != OpSB) {
  2776  				continue
  2777  			}
  2778  			v.reset(Op386LEAL1)
  2779  			v.AuxInt = int32ToAuxInt(c)
  2780  			v.Aux = symToAux(s)
  2781  			v.AddArg2(x, y)
  2782  			return true
  2783  		}
  2784  		break
  2785  	}
  2786  	// match: (LEAL [off1] {sym1} (LEAL [off2] {sym2} x))
  2787  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  2788  	// result: (LEAL [off1+off2] {mergeSym(sym1,sym2)} x)
  2789  	for {
  2790  		off1 := auxIntToInt32(v.AuxInt)
  2791  		sym1 := auxToSym(v.Aux)
  2792  		if v_0.Op != Op386LEAL {
  2793  			break
  2794  		}
  2795  		off2 := auxIntToInt32(v_0.AuxInt)
  2796  		sym2 := auxToSym(v_0.Aux)
  2797  		x := v_0.Args[0]
  2798  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  2799  			break
  2800  		}
  2801  		v.reset(Op386LEAL)
  2802  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2803  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2804  		v.AddArg(x)
  2805  		return true
  2806  	}
  2807  	// match: (LEAL [off1] {sym1} (LEAL1 [off2] {sym2} x y))
  2808  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  2809  	// result: (LEAL1 [off1+off2] {mergeSym(sym1,sym2)} x y)
  2810  	for {
  2811  		off1 := auxIntToInt32(v.AuxInt)
  2812  		sym1 := auxToSym(v.Aux)
  2813  		if v_0.Op != Op386LEAL1 {
  2814  			break
  2815  		}
  2816  		off2 := auxIntToInt32(v_0.AuxInt)
  2817  		sym2 := auxToSym(v_0.Aux)
  2818  		y := v_0.Args[1]
  2819  		x := v_0.Args[0]
  2820  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  2821  			break
  2822  		}
  2823  		v.reset(Op386LEAL1)
  2824  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2825  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2826  		v.AddArg2(x, y)
  2827  		return true
  2828  	}
  2829  	// match: (LEAL [off1] {sym1} (LEAL2 [off2] {sym2} x y))
  2830  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  2831  	// result: (LEAL2 [off1+off2] {mergeSym(sym1,sym2)} x y)
  2832  	for {
  2833  		off1 := auxIntToInt32(v.AuxInt)
  2834  		sym1 := auxToSym(v.Aux)
  2835  		if v_0.Op != Op386LEAL2 {
  2836  			break
  2837  		}
  2838  		off2 := auxIntToInt32(v_0.AuxInt)
  2839  		sym2 := auxToSym(v_0.Aux)
  2840  		y := v_0.Args[1]
  2841  		x := v_0.Args[0]
  2842  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  2843  			break
  2844  		}
  2845  		v.reset(Op386LEAL2)
  2846  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2847  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2848  		v.AddArg2(x, y)
  2849  		return true
  2850  	}
  2851  	// match: (LEAL [off1] {sym1} (LEAL4 [off2] {sym2} x y))
  2852  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  2853  	// result: (LEAL4 [off1+off2] {mergeSym(sym1,sym2)} x y)
  2854  	for {
  2855  		off1 := auxIntToInt32(v.AuxInt)
  2856  		sym1 := auxToSym(v.Aux)
  2857  		if v_0.Op != Op386LEAL4 {
  2858  			break
  2859  		}
  2860  		off2 := auxIntToInt32(v_0.AuxInt)
  2861  		sym2 := auxToSym(v_0.Aux)
  2862  		y := v_0.Args[1]
  2863  		x := v_0.Args[0]
  2864  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  2865  			break
  2866  		}
  2867  		v.reset(Op386LEAL4)
  2868  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2869  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2870  		v.AddArg2(x, y)
  2871  		return true
  2872  	}
  2873  	// match: (LEAL [off1] {sym1} (LEAL8 [off2] {sym2} x y))
  2874  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  2875  	// result: (LEAL8 [off1+off2] {mergeSym(sym1,sym2)} x y)
  2876  	for {
  2877  		off1 := auxIntToInt32(v.AuxInt)
  2878  		sym1 := auxToSym(v.Aux)
  2879  		if v_0.Op != Op386LEAL8 {
  2880  			break
  2881  		}
  2882  		off2 := auxIntToInt32(v_0.AuxInt)
  2883  		sym2 := auxToSym(v_0.Aux)
  2884  		y := v_0.Args[1]
  2885  		x := v_0.Args[0]
  2886  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  2887  			break
  2888  		}
  2889  		v.reset(Op386LEAL8)
  2890  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2891  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2892  		v.AddArg2(x, y)
  2893  		return true
  2894  	}
  2895  	return false
  2896  }
  2897  func rewriteValue386_Op386LEAL1(v *Value) bool {
  2898  	v_1 := v.Args[1]
  2899  	v_0 := v.Args[0]
  2900  	// match: (LEAL1 [c] {s} (ADDLconst [d] x) y)
  2901  	// cond: is32Bit(int64(c)+int64(d)) && x.Op != OpSB
  2902  	// result: (LEAL1 [c+d] {s} x y)
  2903  	for {
  2904  		c := auxIntToInt32(v.AuxInt)
  2905  		s := auxToSym(v.Aux)
  2906  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2907  			if v_0.Op != Op386ADDLconst {
  2908  				continue
  2909  			}
  2910  			d := auxIntToInt32(v_0.AuxInt)
  2911  			x := v_0.Args[0]
  2912  			y := v_1
  2913  			if !(is32Bit(int64(c)+int64(d)) && x.Op != OpSB) {
  2914  				continue
  2915  			}
  2916  			v.reset(Op386LEAL1)
  2917  			v.AuxInt = int32ToAuxInt(c + d)
  2918  			v.Aux = symToAux(s)
  2919  			v.AddArg2(x, y)
  2920  			return true
  2921  		}
  2922  		break
  2923  	}
  2924  	// match: (LEAL1 [c] {s} x (SHLLconst [1] y))
  2925  	// result: (LEAL2 [c] {s} x y)
  2926  	for {
  2927  		c := auxIntToInt32(v.AuxInt)
  2928  		s := auxToSym(v.Aux)
  2929  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2930  			x := v_0
  2931  			if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 1 {
  2932  				continue
  2933  			}
  2934  			y := v_1.Args[0]
  2935  			v.reset(Op386LEAL2)
  2936  			v.AuxInt = int32ToAuxInt(c)
  2937  			v.Aux = symToAux(s)
  2938  			v.AddArg2(x, y)
  2939  			return true
  2940  		}
  2941  		break
  2942  	}
  2943  	// match: (LEAL1 [c] {s} x (SHLLconst [2] y))
  2944  	// result: (LEAL4 [c] {s} x y)
  2945  	for {
  2946  		c := auxIntToInt32(v.AuxInt)
  2947  		s := auxToSym(v.Aux)
  2948  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2949  			x := v_0
  2950  			if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 2 {
  2951  				continue
  2952  			}
  2953  			y := v_1.Args[0]
  2954  			v.reset(Op386LEAL4)
  2955  			v.AuxInt = int32ToAuxInt(c)
  2956  			v.Aux = symToAux(s)
  2957  			v.AddArg2(x, y)
  2958  			return true
  2959  		}
  2960  		break
  2961  	}
  2962  	// match: (LEAL1 [c] {s} x (SHLLconst [3] y))
  2963  	// result: (LEAL8 [c] {s} x y)
  2964  	for {
  2965  		c := auxIntToInt32(v.AuxInt)
  2966  		s := auxToSym(v.Aux)
  2967  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2968  			x := v_0
  2969  			if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 3 {
  2970  				continue
  2971  			}
  2972  			y := v_1.Args[0]
  2973  			v.reset(Op386LEAL8)
  2974  			v.AuxInt = int32ToAuxInt(c)
  2975  			v.Aux = symToAux(s)
  2976  			v.AddArg2(x, y)
  2977  			return true
  2978  		}
  2979  		break
  2980  	}
  2981  	// match: (LEAL1 [off1] {sym1} (LEAL [off2] {sym2} x) y)
  2982  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB
  2983  	// result: (LEAL1 [off1+off2] {mergeSym(sym1,sym2)} x y)
  2984  	for {
  2985  		off1 := auxIntToInt32(v.AuxInt)
  2986  		sym1 := auxToSym(v.Aux)
  2987  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2988  			if v_0.Op != Op386LEAL {
  2989  				continue
  2990  			}
  2991  			off2 := auxIntToInt32(v_0.AuxInt)
  2992  			sym2 := auxToSym(v_0.Aux)
  2993  			x := v_0.Args[0]
  2994  			y := v_1
  2995  			if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB) {
  2996  				continue
  2997  			}
  2998  			v.reset(Op386LEAL1)
  2999  			v.AuxInt = int32ToAuxInt(off1 + off2)
  3000  			v.Aux = symToAux(mergeSym(sym1, sym2))
  3001  			v.AddArg2(x, y)
  3002  			return true
  3003  		}
  3004  		break
  3005  	}
  3006  	// match: (LEAL1 [off1] {sym1} x (LEAL1 [off2] {sym2} y y))
  3007  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  3008  	// result: (LEAL2 [off1+off2] {mergeSym(sym1, sym2)} x y)
  3009  	for {
  3010  		off1 := auxIntToInt32(v.AuxInt)
  3011  		sym1 := auxToSym(v.Aux)
  3012  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3013  			x := v_0
  3014  			if v_1.Op != Op386LEAL1 {
  3015  				continue
  3016  			}
  3017  			off2 := auxIntToInt32(v_1.AuxInt)
  3018  			sym2 := auxToSym(v_1.Aux)
  3019  			y := v_1.Args[1]
  3020  			if y != v_1.Args[0] || !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  3021  				continue
  3022  			}
  3023  			v.reset(Op386LEAL2)
  3024  			v.AuxInt = int32ToAuxInt(off1 + off2)
  3025  			v.Aux = symToAux(mergeSym(sym1, sym2))
  3026  			v.AddArg2(x, y)
  3027  			return true
  3028  		}
  3029  		break
  3030  	}
  3031  	// match: (LEAL1 [off1] {sym1} x (LEAL1 [off2] {sym2} x y))
  3032  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  3033  	// result: (LEAL2 [off1+off2] {mergeSym(sym1, sym2)} y x)
  3034  	for {
  3035  		off1 := auxIntToInt32(v.AuxInt)
  3036  		sym1 := auxToSym(v.Aux)
  3037  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3038  			x := v_0
  3039  			if v_1.Op != Op386LEAL1 {
  3040  				continue
  3041  			}
  3042  			off2 := auxIntToInt32(v_1.AuxInt)
  3043  			sym2 := auxToSym(v_1.Aux)
  3044  			_ = v_1.Args[1]
  3045  			v_1_0 := v_1.Args[0]
  3046  			v_1_1 := v_1.Args[1]
  3047  			for _i1 := 0; _i1 <= 1; _i1, v_1_0, v_1_1 = _i1+1, v_1_1, v_1_0 {
  3048  				if x != v_1_0 {
  3049  					continue
  3050  				}
  3051  				y := v_1_1
  3052  				if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  3053  					continue
  3054  				}
  3055  				v.reset(Op386LEAL2)
  3056  				v.AuxInt = int32ToAuxInt(off1 + off2)
  3057  				v.Aux = symToAux(mergeSym(sym1, sym2))
  3058  				v.AddArg2(y, x)
  3059  				return true
  3060  			}
  3061  		}
  3062  		break
  3063  	}
  3064  	// match: (LEAL1 [0] {nil} x y)
  3065  	// result: (ADDL x y)
  3066  	for {
  3067  		if auxIntToInt32(v.AuxInt) != 0 || auxToSym(v.Aux) != nil {
  3068  			break
  3069  		}
  3070  		x := v_0
  3071  		y := v_1
  3072  		v.reset(Op386ADDL)
  3073  		v.AddArg2(x, y)
  3074  		return true
  3075  	}
  3076  	return false
  3077  }
  3078  func rewriteValue386_Op386LEAL2(v *Value) bool {
  3079  	v_1 := v.Args[1]
  3080  	v_0 := v.Args[0]
  3081  	// match: (LEAL2 [c] {s} (ADDLconst [d] x) y)
  3082  	// cond: is32Bit(int64(c)+int64(d)) && x.Op != OpSB
  3083  	// result: (LEAL2 [c+d] {s} x y)
  3084  	for {
  3085  		c := auxIntToInt32(v.AuxInt)
  3086  		s := auxToSym(v.Aux)
  3087  		if v_0.Op != Op386ADDLconst {
  3088  			break
  3089  		}
  3090  		d := auxIntToInt32(v_0.AuxInt)
  3091  		x := v_0.Args[0]
  3092  		y := v_1
  3093  		if !(is32Bit(int64(c)+int64(d)) && x.Op != OpSB) {
  3094  			break
  3095  		}
  3096  		v.reset(Op386LEAL2)
  3097  		v.AuxInt = int32ToAuxInt(c + d)
  3098  		v.Aux = symToAux(s)
  3099  		v.AddArg2(x, y)
  3100  		return true
  3101  	}
  3102  	// match: (LEAL2 [c] {s} x (ADDLconst [d] y))
  3103  	// cond: is32Bit(int64(c)+2*int64(d)) && y.Op != OpSB
  3104  	// result: (LEAL2 [c+2*d] {s} x y)
  3105  	for {
  3106  		c := auxIntToInt32(v.AuxInt)
  3107  		s := auxToSym(v.Aux)
  3108  		x := v_0
  3109  		if v_1.Op != Op386ADDLconst {
  3110  			break
  3111  		}
  3112  		d := auxIntToInt32(v_1.AuxInt)
  3113  		y := v_1.Args[0]
  3114  		if !(is32Bit(int64(c)+2*int64(d)) && y.Op != OpSB) {
  3115  			break
  3116  		}
  3117  		v.reset(Op386LEAL2)
  3118  		v.AuxInt = int32ToAuxInt(c + 2*d)
  3119  		v.Aux = symToAux(s)
  3120  		v.AddArg2(x, y)
  3121  		return true
  3122  	}
  3123  	// match: (LEAL2 [c] {s} x (SHLLconst [1] y))
  3124  	// result: (LEAL4 [c] {s} x y)
  3125  	for {
  3126  		c := auxIntToInt32(v.AuxInt)
  3127  		s := auxToSym(v.Aux)
  3128  		x := v_0
  3129  		if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 1 {
  3130  			break
  3131  		}
  3132  		y := v_1.Args[0]
  3133  		v.reset(Op386LEAL4)
  3134  		v.AuxInt = int32ToAuxInt(c)
  3135  		v.Aux = symToAux(s)
  3136  		v.AddArg2(x, y)
  3137  		return true
  3138  	}
  3139  	// match: (LEAL2 [c] {s} x (SHLLconst [2] y))
  3140  	// result: (LEAL8 [c] {s} x y)
  3141  	for {
  3142  		c := auxIntToInt32(v.AuxInt)
  3143  		s := auxToSym(v.Aux)
  3144  		x := v_0
  3145  		if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 2 {
  3146  			break
  3147  		}
  3148  		y := v_1.Args[0]
  3149  		v.reset(Op386LEAL8)
  3150  		v.AuxInt = int32ToAuxInt(c)
  3151  		v.Aux = symToAux(s)
  3152  		v.AddArg2(x, y)
  3153  		return true
  3154  	}
  3155  	// match: (LEAL2 [off1] {sym1} (LEAL [off2] {sym2} x) y)
  3156  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB
  3157  	// result: (LEAL2 [off1+off2] {mergeSym(sym1,sym2)} x y)
  3158  	for {
  3159  		off1 := auxIntToInt32(v.AuxInt)
  3160  		sym1 := auxToSym(v.Aux)
  3161  		if v_0.Op != Op386LEAL {
  3162  			break
  3163  		}
  3164  		off2 := auxIntToInt32(v_0.AuxInt)
  3165  		sym2 := auxToSym(v_0.Aux)
  3166  		x := v_0.Args[0]
  3167  		y := v_1
  3168  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB) {
  3169  			break
  3170  		}
  3171  		v.reset(Op386LEAL2)
  3172  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3173  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3174  		v.AddArg2(x, y)
  3175  		return true
  3176  	}
  3177  	// match: (LEAL2 [off1] {sym} x (LEAL1 [off2] {nil} y y))
  3178  	// cond: is32Bit(int64(off1)+2*int64(off2))
  3179  	// result: (LEAL4 [off1+2*off2] {sym} x y)
  3180  	for {
  3181  		off1 := auxIntToInt32(v.AuxInt)
  3182  		sym := auxToSym(v.Aux)
  3183  		x := v_0
  3184  		if v_1.Op != Op386LEAL1 {
  3185  			break
  3186  		}
  3187  		off2 := auxIntToInt32(v_1.AuxInt)
  3188  		if auxToSym(v_1.Aux) != nil {
  3189  			break
  3190  		}
  3191  		y := v_1.Args[1]
  3192  		if y != v_1.Args[0] || !(is32Bit(int64(off1) + 2*int64(off2))) {
  3193  			break
  3194  		}
  3195  		v.reset(Op386LEAL4)
  3196  		v.AuxInt = int32ToAuxInt(off1 + 2*off2)
  3197  		v.Aux = symToAux(sym)
  3198  		v.AddArg2(x, y)
  3199  		return true
  3200  	}
  3201  	return false
  3202  }
  3203  func rewriteValue386_Op386LEAL4(v *Value) bool {
  3204  	v_1 := v.Args[1]
  3205  	v_0 := v.Args[0]
  3206  	// match: (LEAL4 [c] {s} (ADDLconst [d] x) y)
  3207  	// cond: is32Bit(int64(c)+int64(d)) && x.Op != OpSB
  3208  	// result: (LEAL4 [c+d] {s} x y)
  3209  	for {
  3210  		c := auxIntToInt32(v.AuxInt)
  3211  		s := auxToSym(v.Aux)
  3212  		if v_0.Op != Op386ADDLconst {
  3213  			break
  3214  		}
  3215  		d := auxIntToInt32(v_0.AuxInt)
  3216  		x := v_0.Args[0]
  3217  		y := v_1
  3218  		if !(is32Bit(int64(c)+int64(d)) && x.Op != OpSB) {
  3219  			break
  3220  		}
  3221  		v.reset(Op386LEAL4)
  3222  		v.AuxInt = int32ToAuxInt(c + d)
  3223  		v.Aux = symToAux(s)
  3224  		v.AddArg2(x, y)
  3225  		return true
  3226  	}
  3227  	// match: (LEAL4 [c] {s} x (ADDLconst [d] y))
  3228  	// cond: is32Bit(int64(c)+4*int64(d)) && y.Op != OpSB
  3229  	// result: (LEAL4 [c+4*d] {s} x y)
  3230  	for {
  3231  		c := auxIntToInt32(v.AuxInt)
  3232  		s := auxToSym(v.Aux)
  3233  		x := v_0
  3234  		if v_1.Op != Op386ADDLconst {
  3235  			break
  3236  		}
  3237  		d := auxIntToInt32(v_1.AuxInt)
  3238  		y := v_1.Args[0]
  3239  		if !(is32Bit(int64(c)+4*int64(d)) && y.Op != OpSB) {
  3240  			break
  3241  		}
  3242  		v.reset(Op386LEAL4)
  3243  		v.AuxInt = int32ToAuxInt(c + 4*d)
  3244  		v.Aux = symToAux(s)
  3245  		v.AddArg2(x, y)
  3246  		return true
  3247  	}
  3248  	// match: (LEAL4 [c] {s} x (SHLLconst [1] y))
  3249  	// result: (LEAL8 [c] {s} x y)
  3250  	for {
  3251  		c := auxIntToInt32(v.AuxInt)
  3252  		s := auxToSym(v.Aux)
  3253  		x := v_0
  3254  		if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 1 {
  3255  			break
  3256  		}
  3257  		y := v_1.Args[0]
  3258  		v.reset(Op386LEAL8)
  3259  		v.AuxInt = int32ToAuxInt(c)
  3260  		v.Aux = symToAux(s)
  3261  		v.AddArg2(x, y)
  3262  		return true
  3263  	}
  3264  	// match: (LEAL4 [off1] {sym1} (LEAL [off2] {sym2} x) y)
  3265  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB
  3266  	// result: (LEAL4 [off1+off2] {mergeSym(sym1,sym2)} x y)
  3267  	for {
  3268  		off1 := auxIntToInt32(v.AuxInt)
  3269  		sym1 := auxToSym(v.Aux)
  3270  		if v_0.Op != Op386LEAL {
  3271  			break
  3272  		}
  3273  		off2 := auxIntToInt32(v_0.AuxInt)
  3274  		sym2 := auxToSym(v_0.Aux)
  3275  		x := v_0.Args[0]
  3276  		y := v_1
  3277  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB) {
  3278  			break
  3279  		}
  3280  		v.reset(Op386LEAL4)
  3281  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3282  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3283  		v.AddArg2(x, y)
  3284  		return true
  3285  	}
  3286  	// match: (LEAL4 [off1] {sym} x (LEAL1 [off2] {nil} y y))
  3287  	// cond: is32Bit(int64(off1)+4*int64(off2))
  3288  	// result: (LEAL8 [off1+4*off2] {sym} x y)
  3289  	for {
  3290  		off1 := auxIntToInt32(v.AuxInt)
  3291  		sym := auxToSym(v.Aux)
  3292  		x := v_0
  3293  		if v_1.Op != Op386LEAL1 {
  3294  			break
  3295  		}
  3296  		off2 := auxIntToInt32(v_1.AuxInt)
  3297  		if auxToSym(v_1.Aux) != nil {
  3298  			break
  3299  		}
  3300  		y := v_1.Args[1]
  3301  		if y != v_1.Args[0] || !(is32Bit(int64(off1) + 4*int64(off2))) {
  3302  			break
  3303  		}
  3304  		v.reset(Op386LEAL8)
  3305  		v.AuxInt = int32ToAuxInt(off1 + 4*off2)
  3306  		v.Aux = symToAux(sym)
  3307  		v.AddArg2(x, y)
  3308  		return true
  3309  	}
  3310  	return false
  3311  }
  3312  func rewriteValue386_Op386LEAL8(v *Value) bool {
  3313  	v_1 := v.Args[1]
  3314  	v_0 := v.Args[0]
  3315  	// match: (LEAL8 [c] {s} (ADDLconst [d] x) y)
  3316  	// cond: is32Bit(int64(c)+int64(d)) && x.Op != OpSB
  3317  	// result: (LEAL8 [c+d] {s} x y)
  3318  	for {
  3319  		c := auxIntToInt32(v.AuxInt)
  3320  		s := auxToSym(v.Aux)
  3321  		if v_0.Op != Op386ADDLconst {
  3322  			break
  3323  		}
  3324  		d := auxIntToInt32(v_0.AuxInt)
  3325  		x := v_0.Args[0]
  3326  		y := v_1
  3327  		if !(is32Bit(int64(c)+int64(d)) && x.Op != OpSB) {
  3328  			break
  3329  		}
  3330  		v.reset(Op386LEAL8)
  3331  		v.AuxInt = int32ToAuxInt(c + d)
  3332  		v.Aux = symToAux(s)
  3333  		v.AddArg2(x, y)
  3334  		return true
  3335  	}
  3336  	// match: (LEAL8 [c] {s} x (ADDLconst [d] y))
  3337  	// cond: is32Bit(int64(c)+8*int64(d)) && y.Op != OpSB
  3338  	// result: (LEAL8 [c+8*d] {s} x y)
  3339  	for {
  3340  		c := auxIntToInt32(v.AuxInt)
  3341  		s := auxToSym(v.Aux)
  3342  		x := v_0
  3343  		if v_1.Op != Op386ADDLconst {
  3344  			break
  3345  		}
  3346  		d := auxIntToInt32(v_1.AuxInt)
  3347  		y := v_1.Args[0]
  3348  		if !(is32Bit(int64(c)+8*int64(d)) && y.Op != OpSB) {
  3349  			break
  3350  		}
  3351  		v.reset(Op386LEAL8)
  3352  		v.AuxInt = int32ToAuxInt(c + 8*d)
  3353  		v.Aux = symToAux(s)
  3354  		v.AddArg2(x, y)
  3355  		return true
  3356  	}
  3357  	// match: (LEAL8 [off1] {sym1} (LEAL [off2] {sym2} x) y)
  3358  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB
  3359  	// result: (LEAL8 [off1+off2] {mergeSym(sym1,sym2)} x y)
  3360  	for {
  3361  		off1 := auxIntToInt32(v.AuxInt)
  3362  		sym1 := auxToSym(v.Aux)
  3363  		if v_0.Op != Op386LEAL {
  3364  			break
  3365  		}
  3366  		off2 := auxIntToInt32(v_0.AuxInt)
  3367  		sym2 := auxToSym(v_0.Aux)
  3368  		x := v_0.Args[0]
  3369  		y := v_1
  3370  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB) {
  3371  			break
  3372  		}
  3373  		v.reset(Op386LEAL8)
  3374  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3375  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3376  		v.AddArg2(x, y)
  3377  		return true
  3378  	}
  3379  	return false
  3380  }
  3381  func rewriteValue386_Op386MOVBLSX(v *Value) bool {
  3382  	v_0 := v.Args[0]
  3383  	b := v.Block
  3384  	// match: (MOVBLSX x:(MOVBload [off] {sym} ptr mem))
  3385  	// cond: x.Uses == 1 && clobber(x)
  3386  	// result: @x.Block (MOVBLSXload <v.Type> [off] {sym} ptr mem)
  3387  	for {
  3388  		x := v_0
  3389  		if x.Op != Op386MOVBload {
  3390  			break
  3391  		}
  3392  		off := auxIntToInt32(x.AuxInt)
  3393  		sym := auxToSym(x.Aux)
  3394  		mem := x.Args[1]
  3395  		ptr := x.Args[0]
  3396  		if !(x.Uses == 1 && clobber(x)) {
  3397  			break
  3398  		}
  3399  		b = x.Block
  3400  		v0 := b.NewValue0(x.Pos, Op386MOVBLSXload, v.Type)
  3401  		v.copyOf(v0)
  3402  		v0.AuxInt = int32ToAuxInt(off)
  3403  		v0.Aux = symToAux(sym)
  3404  		v0.AddArg2(ptr, mem)
  3405  		return true
  3406  	}
  3407  	// match: (MOVBLSX (ANDLconst [c] x))
  3408  	// cond: c & 0x80 == 0
  3409  	// result: (ANDLconst [c & 0x7f] x)
  3410  	for {
  3411  		if v_0.Op != Op386ANDLconst {
  3412  			break
  3413  		}
  3414  		c := auxIntToInt32(v_0.AuxInt)
  3415  		x := v_0.Args[0]
  3416  		if !(c&0x80 == 0) {
  3417  			break
  3418  		}
  3419  		v.reset(Op386ANDLconst)
  3420  		v.AuxInt = int32ToAuxInt(c & 0x7f)
  3421  		v.AddArg(x)
  3422  		return true
  3423  	}
  3424  	return false
  3425  }
  3426  func rewriteValue386_Op386MOVBLSXload(v *Value) bool {
  3427  	v_1 := v.Args[1]
  3428  	v_0 := v.Args[0]
  3429  	b := v.Block
  3430  	config := b.Func.Config
  3431  	// match: (MOVBLSXload [off] {sym} ptr (MOVBstore [off2] {sym2} ptr2 x _))
  3432  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  3433  	// result: (MOVBLSX x)
  3434  	for {
  3435  		off := auxIntToInt32(v.AuxInt)
  3436  		sym := auxToSym(v.Aux)
  3437  		ptr := v_0
  3438  		if v_1.Op != Op386MOVBstore {
  3439  			break
  3440  		}
  3441  		off2 := auxIntToInt32(v_1.AuxInt)
  3442  		sym2 := auxToSym(v_1.Aux)
  3443  		x := v_1.Args[1]
  3444  		ptr2 := v_1.Args[0]
  3445  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  3446  			break
  3447  		}
  3448  		v.reset(Op386MOVBLSX)
  3449  		v.AddArg(x)
  3450  		return true
  3451  	}
  3452  	// match: (MOVBLSXload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  3453  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  3454  	// result: (MOVBLSXload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  3455  	for {
  3456  		off1 := auxIntToInt32(v.AuxInt)
  3457  		sym1 := auxToSym(v.Aux)
  3458  		if v_0.Op != Op386LEAL {
  3459  			break
  3460  		}
  3461  		off2 := auxIntToInt32(v_0.AuxInt)
  3462  		sym2 := auxToSym(v_0.Aux)
  3463  		base := v_0.Args[0]
  3464  		mem := v_1
  3465  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  3466  			break
  3467  		}
  3468  		v.reset(Op386MOVBLSXload)
  3469  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3470  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3471  		v.AddArg2(base, mem)
  3472  		return true
  3473  	}
  3474  	return false
  3475  }
  3476  func rewriteValue386_Op386MOVBLZX(v *Value) bool {
  3477  	v_0 := v.Args[0]
  3478  	b := v.Block
  3479  	// match: (MOVBLZX x:(MOVBload [off] {sym} ptr mem))
  3480  	// cond: x.Uses == 1 && clobber(x)
  3481  	// result: @x.Block (MOVBload <v.Type> [off] {sym} ptr mem)
  3482  	for {
  3483  		x := v_0
  3484  		if x.Op != Op386MOVBload {
  3485  			break
  3486  		}
  3487  		off := auxIntToInt32(x.AuxInt)
  3488  		sym := auxToSym(x.Aux)
  3489  		mem := x.Args[1]
  3490  		ptr := x.Args[0]
  3491  		if !(x.Uses == 1 && clobber(x)) {
  3492  			break
  3493  		}
  3494  		b = x.Block
  3495  		v0 := b.NewValue0(x.Pos, Op386MOVBload, v.Type)
  3496  		v.copyOf(v0)
  3497  		v0.AuxInt = int32ToAuxInt(off)
  3498  		v0.Aux = symToAux(sym)
  3499  		v0.AddArg2(ptr, mem)
  3500  		return true
  3501  	}
  3502  	// match: (MOVBLZX (ANDLconst [c] x))
  3503  	// result: (ANDLconst [c & 0xff] x)
  3504  	for {
  3505  		if v_0.Op != Op386ANDLconst {
  3506  			break
  3507  		}
  3508  		c := auxIntToInt32(v_0.AuxInt)
  3509  		x := v_0.Args[0]
  3510  		v.reset(Op386ANDLconst)
  3511  		v.AuxInt = int32ToAuxInt(c & 0xff)
  3512  		v.AddArg(x)
  3513  		return true
  3514  	}
  3515  	return false
  3516  }
  3517  func rewriteValue386_Op386MOVBload(v *Value) bool {
  3518  	v_1 := v.Args[1]
  3519  	v_0 := v.Args[0]
  3520  	b := v.Block
  3521  	config := b.Func.Config
  3522  	// match: (MOVBload [off] {sym} ptr (MOVBstore [off2] {sym2} ptr2 x _))
  3523  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  3524  	// result: (MOVBLZX x)
  3525  	for {
  3526  		off := auxIntToInt32(v.AuxInt)
  3527  		sym := auxToSym(v.Aux)
  3528  		ptr := v_0
  3529  		if v_1.Op != Op386MOVBstore {
  3530  			break
  3531  		}
  3532  		off2 := auxIntToInt32(v_1.AuxInt)
  3533  		sym2 := auxToSym(v_1.Aux)
  3534  		x := v_1.Args[1]
  3535  		ptr2 := v_1.Args[0]
  3536  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  3537  			break
  3538  		}
  3539  		v.reset(Op386MOVBLZX)
  3540  		v.AddArg(x)
  3541  		return true
  3542  	}
  3543  	// match: (MOVBload [off1] {sym} (ADDLconst [off2] ptr) mem)
  3544  	// cond: is32Bit(int64(off1)+int64(off2))
  3545  	// result: (MOVBload [off1+off2] {sym} ptr mem)
  3546  	for {
  3547  		off1 := auxIntToInt32(v.AuxInt)
  3548  		sym := auxToSym(v.Aux)
  3549  		if v_0.Op != Op386ADDLconst {
  3550  			break
  3551  		}
  3552  		off2 := auxIntToInt32(v_0.AuxInt)
  3553  		ptr := v_0.Args[0]
  3554  		mem := v_1
  3555  		if !(is32Bit(int64(off1) + int64(off2))) {
  3556  			break
  3557  		}
  3558  		v.reset(Op386MOVBload)
  3559  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3560  		v.Aux = symToAux(sym)
  3561  		v.AddArg2(ptr, mem)
  3562  		return true
  3563  	}
  3564  	// match: (MOVBload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  3565  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  3566  	// result: (MOVBload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  3567  	for {
  3568  		off1 := auxIntToInt32(v.AuxInt)
  3569  		sym1 := auxToSym(v.Aux)
  3570  		if v_0.Op != Op386LEAL {
  3571  			break
  3572  		}
  3573  		off2 := auxIntToInt32(v_0.AuxInt)
  3574  		sym2 := auxToSym(v_0.Aux)
  3575  		base := v_0.Args[0]
  3576  		mem := v_1
  3577  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  3578  			break
  3579  		}
  3580  		v.reset(Op386MOVBload)
  3581  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3582  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3583  		v.AddArg2(base, mem)
  3584  		return true
  3585  	}
  3586  	// match: (MOVBload [off] {sym} (SB) _)
  3587  	// cond: symIsRO(sym)
  3588  	// result: (MOVLconst [int32(read8(sym, int64(off)))])
  3589  	for {
  3590  		off := auxIntToInt32(v.AuxInt)
  3591  		sym := auxToSym(v.Aux)
  3592  		if v_0.Op != OpSB || !(symIsRO(sym)) {
  3593  			break
  3594  		}
  3595  		v.reset(Op386MOVLconst)
  3596  		v.AuxInt = int32ToAuxInt(int32(read8(sym, int64(off))))
  3597  		return true
  3598  	}
  3599  	return false
  3600  }
  3601  func rewriteValue386_Op386MOVBstore(v *Value) bool {
  3602  	v_2 := v.Args[2]
  3603  	v_1 := v.Args[1]
  3604  	v_0 := v.Args[0]
  3605  	b := v.Block
  3606  	config := b.Func.Config
  3607  	// match: (MOVBstore [off] {sym} ptr (MOVBLSX x) mem)
  3608  	// result: (MOVBstore [off] {sym} ptr x mem)
  3609  	for {
  3610  		off := auxIntToInt32(v.AuxInt)
  3611  		sym := auxToSym(v.Aux)
  3612  		ptr := v_0
  3613  		if v_1.Op != Op386MOVBLSX {
  3614  			break
  3615  		}
  3616  		x := v_1.Args[0]
  3617  		mem := v_2
  3618  		v.reset(Op386MOVBstore)
  3619  		v.AuxInt = int32ToAuxInt(off)
  3620  		v.Aux = symToAux(sym)
  3621  		v.AddArg3(ptr, x, mem)
  3622  		return true
  3623  	}
  3624  	// match: (MOVBstore [off] {sym} ptr (MOVBLZX x) mem)
  3625  	// result: (MOVBstore [off] {sym} ptr x mem)
  3626  	for {
  3627  		off := auxIntToInt32(v.AuxInt)
  3628  		sym := auxToSym(v.Aux)
  3629  		ptr := v_0
  3630  		if v_1.Op != Op386MOVBLZX {
  3631  			break
  3632  		}
  3633  		x := v_1.Args[0]
  3634  		mem := v_2
  3635  		v.reset(Op386MOVBstore)
  3636  		v.AuxInt = int32ToAuxInt(off)
  3637  		v.Aux = symToAux(sym)
  3638  		v.AddArg3(ptr, x, mem)
  3639  		return true
  3640  	}
  3641  	// match: (MOVBstore [off1] {sym} (ADDLconst [off2] ptr) val mem)
  3642  	// cond: is32Bit(int64(off1)+int64(off2))
  3643  	// result: (MOVBstore [off1+off2] {sym} ptr val mem)
  3644  	for {
  3645  		off1 := auxIntToInt32(v.AuxInt)
  3646  		sym := auxToSym(v.Aux)
  3647  		if v_0.Op != Op386ADDLconst {
  3648  			break
  3649  		}
  3650  		off2 := auxIntToInt32(v_0.AuxInt)
  3651  		ptr := v_0.Args[0]
  3652  		val := v_1
  3653  		mem := v_2
  3654  		if !(is32Bit(int64(off1) + int64(off2))) {
  3655  			break
  3656  		}
  3657  		v.reset(Op386MOVBstore)
  3658  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3659  		v.Aux = symToAux(sym)
  3660  		v.AddArg3(ptr, val, mem)
  3661  		return true
  3662  	}
  3663  	// match: (MOVBstore [off] {sym} ptr (MOVLconst [c]) mem)
  3664  	// result: (MOVBstoreconst [makeValAndOff(c,off)] {sym} ptr mem)
  3665  	for {
  3666  		off := auxIntToInt32(v.AuxInt)
  3667  		sym := auxToSym(v.Aux)
  3668  		ptr := v_0
  3669  		if v_1.Op != Op386MOVLconst {
  3670  			break
  3671  		}
  3672  		c := auxIntToInt32(v_1.AuxInt)
  3673  		mem := v_2
  3674  		v.reset(Op386MOVBstoreconst)
  3675  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  3676  		v.Aux = symToAux(sym)
  3677  		v.AddArg2(ptr, mem)
  3678  		return true
  3679  	}
  3680  	// match: (MOVBstore [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  3681  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  3682  	// result: (MOVBstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  3683  	for {
  3684  		off1 := auxIntToInt32(v.AuxInt)
  3685  		sym1 := auxToSym(v.Aux)
  3686  		if v_0.Op != Op386LEAL {
  3687  			break
  3688  		}
  3689  		off2 := auxIntToInt32(v_0.AuxInt)
  3690  		sym2 := auxToSym(v_0.Aux)
  3691  		base := v_0.Args[0]
  3692  		val := v_1
  3693  		mem := v_2
  3694  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  3695  			break
  3696  		}
  3697  		v.reset(Op386MOVBstore)
  3698  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3699  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3700  		v.AddArg3(base, val, mem)
  3701  		return true
  3702  	}
  3703  	// match: (MOVBstore [i] {s} p (SHRWconst [8] w) x:(MOVBstore [i-1] {s} p w mem))
  3704  	// cond: x.Uses == 1 && clobber(x)
  3705  	// result: (MOVWstore [i-1] {s} p w mem)
  3706  	for {
  3707  		i := auxIntToInt32(v.AuxInt)
  3708  		s := auxToSym(v.Aux)
  3709  		p := v_0
  3710  		if v_1.Op != Op386SHRWconst || auxIntToInt16(v_1.AuxInt) != 8 {
  3711  			break
  3712  		}
  3713  		w := v_1.Args[0]
  3714  		x := v_2
  3715  		if x.Op != Op386MOVBstore || auxIntToInt32(x.AuxInt) != i-1 || auxToSym(x.Aux) != s {
  3716  			break
  3717  		}
  3718  		mem := x.Args[2]
  3719  		if p != x.Args[0] || w != x.Args[1] || !(x.Uses == 1 && clobber(x)) {
  3720  			break
  3721  		}
  3722  		v.reset(Op386MOVWstore)
  3723  		v.AuxInt = int32ToAuxInt(i - 1)
  3724  		v.Aux = symToAux(s)
  3725  		v.AddArg3(p, w, mem)
  3726  		return true
  3727  	}
  3728  	// match: (MOVBstore [i] {s} p (SHRLconst [8] w) x:(MOVBstore [i-1] {s} p w mem))
  3729  	// cond: x.Uses == 1 && clobber(x)
  3730  	// result: (MOVWstore [i-1] {s} p w mem)
  3731  	for {
  3732  		i := auxIntToInt32(v.AuxInt)
  3733  		s := auxToSym(v.Aux)
  3734  		p := v_0
  3735  		if v_1.Op != Op386SHRLconst || auxIntToInt32(v_1.AuxInt) != 8 {
  3736  			break
  3737  		}
  3738  		w := v_1.Args[0]
  3739  		x := v_2
  3740  		if x.Op != Op386MOVBstore || auxIntToInt32(x.AuxInt) != i-1 || auxToSym(x.Aux) != s {
  3741  			break
  3742  		}
  3743  		mem := x.Args[2]
  3744  		if p != x.Args[0] || w != x.Args[1] || !(x.Uses == 1 && clobber(x)) {
  3745  			break
  3746  		}
  3747  		v.reset(Op386MOVWstore)
  3748  		v.AuxInt = int32ToAuxInt(i - 1)
  3749  		v.Aux = symToAux(s)
  3750  		v.AddArg3(p, w, mem)
  3751  		return true
  3752  	}
  3753  	// match: (MOVBstore [i] {s} p w x:(MOVBstore {s} [i+1] p (SHRWconst [8] w) mem))
  3754  	// cond: x.Uses == 1 && clobber(x)
  3755  	// result: (MOVWstore [i] {s} p w mem)
  3756  	for {
  3757  		i := auxIntToInt32(v.AuxInt)
  3758  		s := auxToSym(v.Aux)
  3759  		p := v_0
  3760  		w := v_1
  3761  		x := v_2
  3762  		if x.Op != Op386MOVBstore || auxIntToInt32(x.AuxInt) != i+1 || auxToSym(x.Aux) != s {
  3763  			break
  3764  		}
  3765  		mem := x.Args[2]
  3766  		if p != x.Args[0] {
  3767  			break
  3768  		}
  3769  		x_1 := x.Args[1]
  3770  		if x_1.Op != Op386SHRWconst || auxIntToInt16(x_1.AuxInt) != 8 || w != x_1.Args[0] || !(x.Uses == 1 && clobber(x)) {
  3771  			break
  3772  		}
  3773  		v.reset(Op386MOVWstore)
  3774  		v.AuxInt = int32ToAuxInt(i)
  3775  		v.Aux = symToAux(s)
  3776  		v.AddArg3(p, w, mem)
  3777  		return true
  3778  	}
  3779  	// match: (MOVBstore [i] {s} p w x:(MOVBstore {s} [i+1] p (SHRLconst [8] w) mem))
  3780  	// cond: x.Uses == 1 && clobber(x)
  3781  	// result: (MOVWstore [i] {s} p w mem)
  3782  	for {
  3783  		i := auxIntToInt32(v.AuxInt)
  3784  		s := auxToSym(v.Aux)
  3785  		p := v_0
  3786  		w := v_1
  3787  		x := v_2
  3788  		if x.Op != Op386MOVBstore || auxIntToInt32(x.AuxInt) != i+1 || auxToSym(x.Aux) != s {
  3789  			break
  3790  		}
  3791  		mem := x.Args[2]
  3792  		if p != x.Args[0] {
  3793  			break
  3794  		}
  3795  		x_1 := x.Args[1]
  3796  		if x_1.Op != Op386SHRLconst || auxIntToInt32(x_1.AuxInt) != 8 || w != x_1.Args[0] || !(x.Uses == 1 && clobber(x)) {
  3797  			break
  3798  		}
  3799  		v.reset(Op386MOVWstore)
  3800  		v.AuxInt = int32ToAuxInt(i)
  3801  		v.Aux = symToAux(s)
  3802  		v.AddArg3(p, w, mem)
  3803  		return true
  3804  	}
  3805  	// match: (MOVBstore [i] {s} p (SHRLconst [j] w) x:(MOVBstore [i-1] {s} p w0:(SHRLconst [j-8] w) mem))
  3806  	// cond: x.Uses == 1 && clobber(x)
  3807  	// result: (MOVWstore [i-1] {s} p w0 mem)
  3808  	for {
  3809  		i := auxIntToInt32(v.AuxInt)
  3810  		s := auxToSym(v.Aux)
  3811  		p := v_0
  3812  		if v_1.Op != Op386SHRLconst {
  3813  			break
  3814  		}
  3815  		j := auxIntToInt32(v_1.AuxInt)
  3816  		w := v_1.Args[0]
  3817  		x := v_2
  3818  		if x.Op != Op386MOVBstore || auxIntToInt32(x.AuxInt) != i-1 || auxToSym(x.Aux) != s {
  3819  			break
  3820  		}
  3821  		mem := x.Args[2]
  3822  		if p != x.Args[0] {
  3823  			break
  3824  		}
  3825  		w0 := x.Args[1]
  3826  		if w0.Op != Op386SHRLconst || auxIntToInt32(w0.AuxInt) != j-8 || w != w0.Args[0] || !(x.Uses == 1 && clobber(x)) {
  3827  			break
  3828  		}
  3829  		v.reset(Op386MOVWstore)
  3830  		v.AuxInt = int32ToAuxInt(i - 1)
  3831  		v.Aux = symToAux(s)
  3832  		v.AddArg3(p, w0, mem)
  3833  		return true
  3834  	}
  3835  	// match: (MOVBstore [i] {s} p1 (SHRWconst [8] w) x:(MOVBstore [i] {s} p0 w mem))
  3836  	// cond: x.Uses == 1 && sequentialAddresses(p0, p1, 1) && clobber(x)
  3837  	// result: (MOVWstore [i] {s} p0 w mem)
  3838  	for {
  3839  		i := auxIntToInt32(v.AuxInt)
  3840  		s := auxToSym(v.Aux)
  3841  		p1 := v_0
  3842  		if v_1.Op != Op386SHRWconst || auxIntToInt16(v_1.AuxInt) != 8 {
  3843  			break
  3844  		}
  3845  		w := v_1.Args[0]
  3846  		x := v_2
  3847  		if x.Op != Op386MOVBstore || auxIntToInt32(x.AuxInt) != i || auxToSym(x.Aux) != s {
  3848  			break
  3849  		}
  3850  		mem := x.Args[2]
  3851  		p0 := x.Args[0]
  3852  		if w != x.Args[1] || !(x.Uses == 1 && sequentialAddresses(p0, p1, 1) && clobber(x)) {
  3853  			break
  3854  		}
  3855  		v.reset(Op386MOVWstore)
  3856  		v.AuxInt = int32ToAuxInt(i)
  3857  		v.Aux = symToAux(s)
  3858  		v.AddArg3(p0, w, mem)
  3859  		return true
  3860  	}
  3861  	// match: (MOVBstore [i] {s} p1 (SHRLconst [8] w) x:(MOVBstore [i] {s} p0 w mem))
  3862  	// cond: x.Uses == 1 && sequentialAddresses(p0, p1, 1) && clobber(x)
  3863  	// result: (MOVWstore [i] {s} p0 w mem)
  3864  	for {
  3865  		i := auxIntToInt32(v.AuxInt)
  3866  		s := auxToSym(v.Aux)
  3867  		p1 := v_0
  3868  		if v_1.Op != Op386SHRLconst || auxIntToInt32(v_1.AuxInt) != 8 {
  3869  			break
  3870  		}
  3871  		w := v_1.Args[0]
  3872  		x := v_2
  3873  		if x.Op != Op386MOVBstore || auxIntToInt32(x.AuxInt) != i || auxToSym(x.Aux) != s {
  3874  			break
  3875  		}
  3876  		mem := x.Args[2]
  3877  		p0 := x.Args[0]
  3878  		if w != x.Args[1] || !(x.Uses == 1 && sequentialAddresses(p0, p1, 1) && clobber(x)) {
  3879  			break
  3880  		}
  3881  		v.reset(Op386MOVWstore)
  3882  		v.AuxInt = int32ToAuxInt(i)
  3883  		v.Aux = symToAux(s)
  3884  		v.AddArg3(p0, w, mem)
  3885  		return true
  3886  	}
  3887  	// match: (MOVBstore [i] {s} p0 w x:(MOVBstore {s} [i] p1 (SHRWconst [8] w) mem))
  3888  	// cond: x.Uses == 1 && sequentialAddresses(p0, p1, 1) && clobber(x)
  3889  	// result: (MOVWstore [i] {s} p0 w mem)
  3890  	for {
  3891  		i := auxIntToInt32(v.AuxInt)
  3892  		s := auxToSym(v.Aux)
  3893  		p0 := v_0
  3894  		w := v_1
  3895  		x := v_2
  3896  		if x.Op != Op386MOVBstore || auxIntToInt32(x.AuxInt) != i || auxToSym(x.Aux) != s {
  3897  			break
  3898  		}
  3899  		mem := x.Args[2]
  3900  		p1 := x.Args[0]
  3901  		x_1 := x.Args[1]
  3902  		if x_1.Op != Op386SHRWconst || auxIntToInt16(x_1.AuxInt) != 8 || w != x_1.Args[0] || !(x.Uses == 1 && sequentialAddresses(p0, p1, 1) && clobber(x)) {
  3903  			break
  3904  		}
  3905  		v.reset(Op386MOVWstore)
  3906  		v.AuxInt = int32ToAuxInt(i)
  3907  		v.Aux = symToAux(s)
  3908  		v.AddArg3(p0, w, mem)
  3909  		return true
  3910  	}
  3911  	// match: (MOVBstore [i] {s} p0 w x:(MOVBstore {s} [i] p1 (SHRLconst [8] w) mem))
  3912  	// cond: x.Uses == 1 && sequentialAddresses(p0, p1, 1) && clobber(x)
  3913  	// result: (MOVWstore [i] {s} p0 w mem)
  3914  	for {
  3915  		i := auxIntToInt32(v.AuxInt)
  3916  		s := auxToSym(v.Aux)
  3917  		p0 := v_0
  3918  		w := v_1
  3919  		x := v_2
  3920  		if x.Op != Op386MOVBstore || auxIntToInt32(x.AuxInt) != i || auxToSym(x.Aux) != s {
  3921  			break
  3922  		}
  3923  		mem := x.Args[2]
  3924  		p1 := x.Args[0]
  3925  		x_1 := x.Args[1]
  3926  		if x_1.Op != Op386SHRLconst || auxIntToInt32(x_1.AuxInt) != 8 || w != x_1.Args[0] || !(x.Uses == 1 && sequentialAddresses(p0, p1, 1) && clobber(x)) {
  3927  			break
  3928  		}
  3929  		v.reset(Op386MOVWstore)
  3930  		v.AuxInt = int32ToAuxInt(i)
  3931  		v.Aux = symToAux(s)
  3932  		v.AddArg3(p0, w, mem)
  3933  		return true
  3934  	}
  3935  	// match: (MOVBstore [i] {s} p1 (SHRLconst [j] w) x:(MOVBstore [i] {s} p0 w0:(SHRLconst [j-8] w) mem))
  3936  	// cond: x.Uses == 1 && sequentialAddresses(p0, p1, 1) && clobber(x)
  3937  	// result: (MOVWstore [i] {s} p0 w0 mem)
  3938  	for {
  3939  		i := auxIntToInt32(v.AuxInt)
  3940  		s := auxToSym(v.Aux)
  3941  		p1 := v_0
  3942  		if v_1.Op != Op386SHRLconst {
  3943  			break
  3944  		}
  3945  		j := auxIntToInt32(v_1.AuxInt)
  3946  		w := v_1.Args[0]
  3947  		x := v_2
  3948  		if x.Op != Op386MOVBstore || auxIntToInt32(x.AuxInt) != i || auxToSym(x.Aux) != s {
  3949  			break
  3950  		}
  3951  		mem := x.Args[2]
  3952  		p0 := x.Args[0]
  3953  		w0 := x.Args[1]
  3954  		if w0.Op != Op386SHRLconst || auxIntToInt32(w0.AuxInt) != j-8 || w != w0.Args[0] || !(x.Uses == 1 && sequentialAddresses(p0, p1, 1) && clobber(x)) {
  3955  			break
  3956  		}
  3957  		v.reset(Op386MOVWstore)
  3958  		v.AuxInt = int32ToAuxInt(i)
  3959  		v.Aux = symToAux(s)
  3960  		v.AddArg3(p0, w0, mem)
  3961  		return true
  3962  	}
  3963  	return false
  3964  }
  3965  func rewriteValue386_Op386MOVBstoreconst(v *Value) bool {
  3966  	v_1 := v.Args[1]
  3967  	v_0 := v.Args[0]
  3968  	b := v.Block
  3969  	config := b.Func.Config
  3970  	// match: (MOVBstoreconst [sc] {s} (ADDLconst [off] ptr) mem)
  3971  	// cond: sc.canAdd32(off)
  3972  	// result: (MOVBstoreconst [sc.addOffset32(off)] {s} ptr mem)
  3973  	for {
  3974  		sc := auxIntToValAndOff(v.AuxInt)
  3975  		s := auxToSym(v.Aux)
  3976  		if v_0.Op != Op386ADDLconst {
  3977  			break
  3978  		}
  3979  		off := auxIntToInt32(v_0.AuxInt)
  3980  		ptr := v_0.Args[0]
  3981  		mem := v_1
  3982  		if !(sc.canAdd32(off)) {
  3983  			break
  3984  		}
  3985  		v.reset(Op386MOVBstoreconst)
  3986  		v.AuxInt = valAndOffToAuxInt(sc.addOffset32(off))
  3987  		v.Aux = symToAux(s)
  3988  		v.AddArg2(ptr, mem)
  3989  		return true
  3990  	}
  3991  	// match: (MOVBstoreconst [sc] {sym1} (LEAL [off] {sym2} ptr) mem)
  3992  	// cond: canMergeSym(sym1, sym2) && sc.canAdd32(off) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)
  3993  	// result: (MOVBstoreconst [sc.addOffset32(off)] {mergeSym(sym1, sym2)} ptr mem)
  3994  	for {
  3995  		sc := auxIntToValAndOff(v.AuxInt)
  3996  		sym1 := auxToSym(v.Aux)
  3997  		if v_0.Op != Op386LEAL {
  3998  			break
  3999  		}
  4000  		off := auxIntToInt32(v_0.AuxInt)
  4001  		sym2 := auxToSym(v_0.Aux)
  4002  		ptr := v_0.Args[0]
  4003  		mem := v_1
  4004  		if !(canMergeSym(sym1, sym2) && sc.canAdd32(off) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) {
  4005  			break
  4006  		}
  4007  		v.reset(Op386MOVBstoreconst)
  4008  		v.AuxInt = valAndOffToAuxInt(sc.addOffset32(off))
  4009  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4010  		v.AddArg2(ptr, mem)
  4011  		return true
  4012  	}
  4013  	// match: (MOVBstoreconst [c] {s} p x:(MOVBstoreconst [a] {s} p mem))
  4014  	// cond: x.Uses == 1 && a.Off() + 1 == c.Off() && clobber(x)
  4015  	// result: (MOVWstoreconst [makeValAndOff(a.Val()&0xff | c.Val()<<8, a.Off())] {s} p mem)
  4016  	for {
  4017  		c := auxIntToValAndOff(v.AuxInt)
  4018  		s := auxToSym(v.Aux)
  4019  		p := v_0
  4020  		x := v_1
  4021  		if x.Op != Op386MOVBstoreconst {
  4022  			break
  4023  		}
  4024  		a := auxIntToValAndOff(x.AuxInt)
  4025  		if auxToSym(x.Aux) != s {
  4026  			break
  4027  		}
  4028  		mem := x.Args[1]
  4029  		if p != x.Args[0] || !(x.Uses == 1 && a.Off()+1 == c.Off() && clobber(x)) {
  4030  			break
  4031  		}
  4032  		v.reset(Op386MOVWstoreconst)
  4033  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(a.Val()&0xff|c.Val()<<8, a.Off()))
  4034  		v.Aux = symToAux(s)
  4035  		v.AddArg2(p, mem)
  4036  		return true
  4037  	}
  4038  	// match: (MOVBstoreconst [a] {s} p x:(MOVBstoreconst [c] {s} p mem))
  4039  	// cond: x.Uses == 1 && a.Off() + 1 == c.Off() && clobber(x)
  4040  	// result: (MOVWstoreconst [makeValAndOff(a.Val()&0xff | c.Val()<<8, a.Off())] {s} p mem)
  4041  	for {
  4042  		a := auxIntToValAndOff(v.AuxInt)
  4043  		s := auxToSym(v.Aux)
  4044  		p := v_0
  4045  		x := v_1
  4046  		if x.Op != Op386MOVBstoreconst {
  4047  			break
  4048  		}
  4049  		c := auxIntToValAndOff(x.AuxInt)
  4050  		if auxToSym(x.Aux) != s {
  4051  			break
  4052  		}
  4053  		mem := x.Args[1]
  4054  		if p != x.Args[0] || !(x.Uses == 1 && a.Off()+1 == c.Off() && clobber(x)) {
  4055  			break
  4056  		}
  4057  		v.reset(Op386MOVWstoreconst)
  4058  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(a.Val()&0xff|c.Val()<<8, a.Off()))
  4059  		v.Aux = symToAux(s)
  4060  		v.AddArg2(p, mem)
  4061  		return true
  4062  	}
  4063  	// match: (MOVBstoreconst [c] {s} p1 x:(MOVBstoreconst [a] {s} p0 mem))
  4064  	// cond: x.Uses == 1 && a.Off() == c.Off() && sequentialAddresses(p0, p1, 1) && clobber(x)
  4065  	// result: (MOVWstoreconst [makeValAndOff(a.Val()&0xff | c.Val()<<8, a.Off())] {s} p0 mem)
  4066  	for {
  4067  		c := auxIntToValAndOff(v.AuxInt)
  4068  		s := auxToSym(v.Aux)
  4069  		p1 := v_0
  4070  		x := v_1
  4071  		if x.Op != Op386MOVBstoreconst {
  4072  			break
  4073  		}
  4074  		a := auxIntToValAndOff(x.AuxInt)
  4075  		if auxToSym(x.Aux) != s {
  4076  			break
  4077  		}
  4078  		mem := x.Args[1]
  4079  		p0 := x.Args[0]
  4080  		if !(x.Uses == 1 && a.Off() == c.Off() && sequentialAddresses(p0, p1, 1) && clobber(x)) {
  4081  			break
  4082  		}
  4083  		v.reset(Op386MOVWstoreconst)
  4084  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(a.Val()&0xff|c.Val()<<8, a.Off()))
  4085  		v.Aux = symToAux(s)
  4086  		v.AddArg2(p0, mem)
  4087  		return true
  4088  	}
  4089  	// match: (MOVBstoreconst [a] {s} p0 x:(MOVBstoreconst [c] {s} p1 mem))
  4090  	// cond: x.Uses == 1 && a.Off() == c.Off() && sequentialAddresses(p0, p1, 1) && clobber(x)
  4091  	// result: (MOVWstoreconst [makeValAndOff(a.Val()&0xff | c.Val()<<8, a.Off())] {s} p0 mem)
  4092  	for {
  4093  		a := auxIntToValAndOff(v.AuxInt)
  4094  		s := auxToSym(v.Aux)
  4095  		p0 := v_0
  4096  		x := v_1
  4097  		if x.Op != Op386MOVBstoreconst {
  4098  			break
  4099  		}
  4100  		c := auxIntToValAndOff(x.AuxInt)
  4101  		if auxToSym(x.Aux) != s {
  4102  			break
  4103  		}
  4104  		mem := x.Args[1]
  4105  		p1 := x.Args[0]
  4106  		if !(x.Uses == 1 && a.Off() == c.Off() && sequentialAddresses(p0, p1, 1) && clobber(x)) {
  4107  			break
  4108  		}
  4109  		v.reset(Op386MOVWstoreconst)
  4110  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(a.Val()&0xff|c.Val()<<8, a.Off()))
  4111  		v.Aux = symToAux(s)
  4112  		v.AddArg2(p0, mem)
  4113  		return true
  4114  	}
  4115  	return false
  4116  }
  4117  func rewriteValue386_Op386MOVLload(v *Value) bool {
  4118  	v_1 := v.Args[1]
  4119  	v_0 := v.Args[0]
  4120  	b := v.Block
  4121  	config := b.Func.Config
  4122  	// match: (MOVLload [off] {sym} ptr (MOVLstore [off2] {sym2} ptr2 x _))
  4123  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  4124  	// result: x
  4125  	for {
  4126  		off := auxIntToInt32(v.AuxInt)
  4127  		sym := auxToSym(v.Aux)
  4128  		ptr := v_0
  4129  		if v_1.Op != Op386MOVLstore {
  4130  			break
  4131  		}
  4132  		off2 := auxIntToInt32(v_1.AuxInt)
  4133  		sym2 := auxToSym(v_1.Aux)
  4134  		x := v_1.Args[1]
  4135  		ptr2 := v_1.Args[0]
  4136  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  4137  			break
  4138  		}
  4139  		v.copyOf(x)
  4140  		return true
  4141  	}
  4142  	// match: (MOVLload [off1] {sym} (ADDLconst [off2] ptr) mem)
  4143  	// cond: is32Bit(int64(off1)+int64(off2))
  4144  	// result: (MOVLload [off1+off2] {sym} ptr mem)
  4145  	for {
  4146  		off1 := auxIntToInt32(v.AuxInt)
  4147  		sym := auxToSym(v.Aux)
  4148  		if v_0.Op != Op386ADDLconst {
  4149  			break
  4150  		}
  4151  		off2 := auxIntToInt32(v_0.AuxInt)
  4152  		ptr := v_0.Args[0]
  4153  		mem := v_1
  4154  		if !(is32Bit(int64(off1) + int64(off2))) {
  4155  			break
  4156  		}
  4157  		v.reset(Op386MOVLload)
  4158  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4159  		v.Aux = symToAux(sym)
  4160  		v.AddArg2(ptr, mem)
  4161  		return true
  4162  	}
  4163  	// match: (MOVLload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  4164  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4165  	// result: (MOVLload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  4166  	for {
  4167  		off1 := auxIntToInt32(v.AuxInt)
  4168  		sym1 := auxToSym(v.Aux)
  4169  		if v_0.Op != Op386LEAL {
  4170  			break
  4171  		}
  4172  		off2 := auxIntToInt32(v_0.AuxInt)
  4173  		sym2 := auxToSym(v_0.Aux)
  4174  		base := v_0.Args[0]
  4175  		mem := v_1
  4176  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4177  			break
  4178  		}
  4179  		v.reset(Op386MOVLload)
  4180  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4181  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4182  		v.AddArg2(base, mem)
  4183  		return true
  4184  	}
  4185  	// match: (MOVLload [off] {sym} (SB) _)
  4186  	// cond: symIsRO(sym)
  4187  	// result: (MOVLconst [int32(read32(sym, int64(off), config.ctxt.Arch.ByteOrder))])
  4188  	for {
  4189  		off := auxIntToInt32(v.AuxInt)
  4190  		sym := auxToSym(v.Aux)
  4191  		if v_0.Op != OpSB || !(symIsRO(sym)) {
  4192  			break
  4193  		}
  4194  		v.reset(Op386MOVLconst)
  4195  		v.AuxInt = int32ToAuxInt(int32(read32(sym, int64(off), config.ctxt.Arch.ByteOrder)))
  4196  		return true
  4197  	}
  4198  	return false
  4199  }
  4200  func rewriteValue386_Op386MOVLstore(v *Value) bool {
  4201  	v_2 := v.Args[2]
  4202  	v_1 := v.Args[1]
  4203  	v_0 := v.Args[0]
  4204  	b := v.Block
  4205  	config := b.Func.Config
  4206  	// match: (MOVLstore [off1] {sym} (ADDLconst [off2] ptr) val mem)
  4207  	// cond: is32Bit(int64(off1)+int64(off2))
  4208  	// result: (MOVLstore [off1+off2] {sym} ptr val mem)
  4209  	for {
  4210  		off1 := auxIntToInt32(v.AuxInt)
  4211  		sym := auxToSym(v.Aux)
  4212  		if v_0.Op != Op386ADDLconst {
  4213  			break
  4214  		}
  4215  		off2 := auxIntToInt32(v_0.AuxInt)
  4216  		ptr := v_0.Args[0]
  4217  		val := v_1
  4218  		mem := v_2
  4219  		if !(is32Bit(int64(off1) + int64(off2))) {
  4220  			break
  4221  		}
  4222  		v.reset(Op386MOVLstore)
  4223  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4224  		v.Aux = symToAux(sym)
  4225  		v.AddArg3(ptr, val, mem)
  4226  		return true
  4227  	}
  4228  	// match: (MOVLstore [off] {sym} ptr (MOVLconst [c]) mem)
  4229  	// result: (MOVLstoreconst [makeValAndOff(c,off)] {sym} ptr mem)
  4230  	for {
  4231  		off := auxIntToInt32(v.AuxInt)
  4232  		sym := auxToSym(v.Aux)
  4233  		ptr := v_0
  4234  		if v_1.Op != Op386MOVLconst {
  4235  			break
  4236  		}
  4237  		c := auxIntToInt32(v_1.AuxInt)
  4238  		mem := v_2
  4239  		v.reset(Op386MOVLstoreconst)
  4240  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  4241  		v.Aux = symToAux(sym)
  4242  		v.AddArg2(ptr, mem)
  4243  		return true
  4244  	}
  4245  	// match: (MOVLstore [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  4246  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4247  	// result: (MOVLstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  4248  	for {
  4249  		off1 := auxIntToInt32(v.AuxInt)
  4250  		sym1 := auxToSym(v.Aux)
  4251  		if v_0.Op != Op386LEAL {
  4252  			break
  4253  		}
  4254  		off2 := auxIntToInt32(v_0.AuxInt)
  4255  		sym2 := auxToSym(v_0.Aux)
  4256  		base := v_0.Args[0]
  4257  		val := v_1
  4258  		mem := v_2
  4259  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4260  			break
  4261  		}
  4262  		v.reset(Op386MOVLstore)
  4263  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4264  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4265  		v.AddArg3(base, val, mem)
  4266  		return true
  4267  	}
  4268  	// match: (MOVLstore {sym} [off] ptr y:(ADDLload x [off] {sym} ptr mem) mem)
  4269  	// cond: y.Uses==1 && clobber(y)
  4270  	// result: (ADDLmodify [off] {sym} ptr x mem)
  4271  	for {
  4272  		off := auxIntToInt32(v.AuxInt)
  4273  		sym := auxToSym(v.Aux)
  4274  		ptr := v_0
  4275  		y := v_1
  4276  		if y.Op != Op386ADDLload || auxIntToInt32(y.AuxInt) != off || auxToSym(y.Aux) != sym {
  4277  			break
  4278  		}
  4279  		mem := y.Args[2]
  4280  		x := y.Args[0]
  4281  		if ptr != y.Args[1] || mem != v_2 || !(y.Uses == 1 && clobber(y)) {
  4282  			break
  4283  		}
  4284  		v.reset(Op386ADDLmodify)
  4285  		v.AuxInt = int32ToAuxInt(off)
  4286  		v.Aux = symToAux(sym)
  4287  		v.AddArg3(ptr, x, mem)
  4288  		return true
  4289  	}
  4290  	// match: (MOVLstore {sym} [off] ptr y:(ANDLload x [off] {sym} ptr mem) mem)
  4291  	// cond: y.Uses==1 && clobber(y)
  4292  	// result: (ANDLmodify [off] {sym} ptr x mem)
  4293  	for {
  4294  		off := auxIntToInt32(v.AuxInt)
  4295  		sym := auxToSym(v.Aux)
  4296  		ptr := v_0
  4297  		y := v_1
  4298  		if y.Op != Op386ANDLload || auxIntToInt32(y.AuxInt) != off || auxToSym(y.Aux) != sym {
  4299  			break
  4300  		}
  4301  		mem := y.Args[2]
  4302  		x := y.Args[0]
  4303  		if ptr != y.Args[1] || mem != v_2 || !(y.Uses == 1 && clobber(y)) {
  4304  			break
  4305  		}
  4306  		v.reset(Op386ANDLmodify)
  4307  		v.AuxInt = int32ToAuxInt(off)
  4308  		v.Aux = symToAux(sym)
  4309  		v.AddArg3(ptr, x, mem)
  4310  		return true
  4311  	}
  4312  	// match: (MOVLstore {sym} [off] ptr y:(ORLload x [off] {sym} ptr mem) mem)
  4313  	// cond: y.Uses==1 && clobber(y)
  4314  	// result: (ORLmodify [off] {sym} ptr x mem)
  4315  	for {
  4316  		off := auxIntToInt32(v.AuxInt)
  4317  		sym := auxToSym(v.Aux)
  4318  		ptr := v_0
  4319  		y := v_1
  4320  		if y.Op != Op386ORLload || auxIntToInt32(y.AuxInt) != off || auxToSym(y.Aux) != sym {
  4321  			break
  4322  		}
  4323  		mem := y.Args[2]
  4324  		x := y.Args[0]
  4325  		if ptr != y.Args[1] || mem != v_2 || !(y.Uses == 1 && clobber(y)) {
  4326  			break
  4327  		}
  4328  		v.reset(Op386ORLmodify)
  4329  		v.AuxInt = int32ToAuxInt(off)
  4330  		v.Aux = symToAux(sym)
  4331  		v.AddArg3(ptr, x, mem)
  4332  		return true
  4333  	}
  4334  	// match: (MOVLstore {sym} [off] ptr y:(XORLload x [off] {sym} ptr mem) mem)
  4335  	// cond: y.Uses==1 && clobber(y)
  4336  	// result: (XORLmodify [off] {sym} ptr x mem)
  4337  	for {
  4338  		off := auxIntToInt32(v.AuxInt)
  4339  		sym := auxToSym(v.Aux)
  4340  		ptr := v_0
  4341  		y := v_1
  4342  		if y.Op != Op386XORLload || auxIntToInt32(y.AuxInt) != off || auxToSym(y.Aux) != sym {
  4343  			break
  4344  		}
  4345  		mem := y.Args[2]
  4346  		x := y.Args[0]
  4347  		if ptr != y.Args[1] || mem != v_2 || !(y.Uses == 1 && clobber(y)) {
  4348  			break
  4349  		}
  4350  		v.reset(Op386XORLmodify)
  4351  		v.AuxInt = int32ToAuxInt(off)
  4352  		v.Aux = symToAux(sym)
  4353  		v.AddArg3(ptr, x, mem)
  4354  		return true
  4355  	}
  4356  	// match: (MOVLstore {sym} [off] ptr y:(ADDL l:(MOVLload [off] {sym} ptr mem) x) mem)
  4357  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4358  	// result: (ADDLmodify [off] {sym} ptr x mem)
  4359  	for {
  4360  		off := auxIntToInt32(v.AuxInt)
  4361  		sym := auxToSym(v.Aux)
  4362  		ptr := v_0
  4363  		y := v_1
  4364  		if y.Op != Op386ADDL {
  4365  			break
  4366  		}
  4367  		_ = y.Args[1]
  4368  		y_0 := y.Args[0]
  4369  		y_1 := y.Args[1]
  4370  		for _i0 := 0; _i0 <= 1; _i0, y_0, y_1 = _i0+1, y_1, y_0 {
  4371  			l := y_0
  4372  			if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4373  				continue
  4374  			}
  4375  			mem := l.Args[1]
  4376  			if ptr != l.Args[0] {
  4377  				continue
  4378  			}
  4379  			x := y_1
  4380  			if mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4381  				continue
  4382  			}
  4383  			v.reset(Op386ADDLmodify)
  4384  			v.AuxInt = int32ToAuxInt(off)
  4385  			v.Aux = symToAux(sym)
  4386  			v.AddArg3(ptr, x, mem)
  4387  			return true
  4388  		}
  4389  		break
  4390  	}
  4391  	// match: (MOVLstore {sym} [off] ptr y:(SUBL l:(MOVLload [off] {sym} ptr mem) x) mem)
  4392  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4393  	// result: (SUBLmodify [off] {sym} ptr x mem)
  4394  	for {
  4395  		off := auxIntToInt32(v.AuxInt)
  4396  		sym := auxToSym(v.Aux)
  4397  		ptr := v_0
  4398  		y := v_1
  4399  		if y.Op != Op386SUBL {
  4400  			break
  4401  		}
  4402  		x := y.Args[1]
  4403  		l := y.Args[0]
  4404  		if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4405  			break
  4406  		}
  4407  		mem := l.Args[1]
  4408  		if ptr != l.Args[0] || mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4409  			break
  4410  		}
  4411  		v.reset(Op386SUBLmodify)
  4412  		v.AuxInt = int32ToAuxInt(off)
  4413  		v.Aux = symToAux(sym)
  4414  		v.AddArg3(ptr, x, mem)
  4415  		return true
  4416  	}
  4417  	// match: (MOVLstore {sym} [off] ptr y:(ANDL l:(MOVLload [off] {sym} ptr mem) x) mem)
  4418  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4419  	// result: (ANDLmodify [off] {sym} ptr x mem)
  4420  	for {
  4421  		off := auxIntToInt32(v.AuxInt)
  4422  		sym := auxToSym(v.Aux)
  4423  		ptr := v_0
  4424  		y := v_1
  4425  		if y.Op != Op386ANDL {
  4426  			break
  4427  		}
  4428  		_ = y.Args[1]
  4429  		y_0 := y.Args[0]
  4430  		y_1 := y.Args[1]
  4431  		for _i0 := 0; _i0 <= 1; _i0, y_0, y_1 = _i0+1, y_1, y_0 {
  4432  			l := y_0
  4433  			if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4434  				continue
  4435  			}
  4436  			mem := l.Args[1]
  4437  			if ptr != l.Args[0] {
  4438  				continue
  4439  			}
  4440  			x := y_1
  4441  			if mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4442  				continue
  4443  			}
  4444  			v.reset(Op386ANDLmodify)
  4445  			v.AuxInt = int32ToAuxInt(off)
  4446  			v.Aux = symToAux(sym)
  4447  			v.AddArg3(ptr, x, mem)
  4448  			return true
  4449  		}
  4450  		break
  4451  	}
  4452  	// match: (MOVLstore {sym} [off] ptr y:(ORL l:(MOVLload [off] {sym} ptr mem) x) mem)
  4453  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4454  	// result: (ORLmodify [off] {sym} ptr x mem)
  4455  	for {
  4456  		off := auxIntToInt32(v.AuxInt)
  4457  		sym := auxToSym(v.Aux)
  4458  		ptr := v_0
  4459  		y := v_1
  4460  		if y.Op != Op386ORL {
  4461  			break
  4462  		}
  4463  		_ = y.Args[1]
  4464  		y_0 := y.Args[0]
  4465  		y_1 := y.Args[1]
  4466  		for _i0 := 0; _i0 <= 1; _i0, y_0, y_1 = _i0+1, y_1, y_0 {
  4467  			l := y_0
  4468  			if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4469  				continue
  4470  			}
  4471  			mem := l.Args[1]
  4472  			if ptr != l.Args[0] {
  4473  				continue
  4474  			}
  4475  			x := y_1
  4476  			if mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4477  				continue
  4478  			}
  4479  			v.reset(Op386ORLmodify)
  4480  			v.AuxInt = int32ToAuxInt(off)
  4481  			v.Aux = symToAux(sym)
  4482  			v.AddArg3(ptr, x, mem)
  4483  			return true
  4484  		}
  4485  		break
  4486  	}
  4487  	// match: (MOVLstore {sym} [off] ptr y:(XORL l:(MOVLload [off] {sym} ptr mem) x) mem)
  4488  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4489  	// result: (XORLmodify [off] {sym} ptr x mem)
  4490  	for {
  4491  		off := auxIntToInt32(v.AuxInt)
  4492  		sym := auxToSym(v.Aux)
  4493  		ptr := v_0
  4494  		y := v_1
  4495  		if y.Op != Op386XORL {
  4496  			break
  4497  		}
  4498  		_ = y.Args[1]
  4499  		y_0 := y.Args[0]
  4500  		y_1 := y.Args[1]
  4501  		for _i0 := 0; _i0 <= 1; _i0, y_0, y_1 = _i0+1, y_1, y_0 {
  4502  			l := y_0
  4503  			if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4504  				continue
  4505  			}
  4506  			mem := l.Args[1]
  4507  			if ptr != l.Args[0] {
  4508  				continue
  4509  			}
  4510  			x := y_1
  4511  			if mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4512  				continue
  4513  			}
  4514  			v.reset(Op386XORLmodify)
  4515  			v.AuxInt = int32ToAuxInt(off)
  4516  			v.Aux = symToAux(sym)
  4517  			v.AddArg3(ptr, x, mem)
  4518  			return true
  4519  		}
  4520  		break
  4521  	}
  4522  	// match: (MOVLstore {sym} [off] ptr y:(ADDLconst [c] l:(MOVLload [off] {sym} ptr mem)) mem)
  4523  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4524  	// result: (ADDLconstmodify [makeValAndOff(c,off)] {sym} ptr mem)
  4525  	for {
  4526  		off := auxIntToInt32(v.AuxInt)
  4527  		sym := auxToSym(v.Aux)
  4528  		ptr := v_0
  4529  		y := v_1
  4530  		if y.Op != Op386ADDLconst {
  4531  			break
  4532  		}
  4533  		c := auxIntToInt32(y.AuxInt)
  4534  		l := y.Args[0]
  4535  		if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4536  			break
  4537  		}
  4538  		mem := l.Args[1]
  4539  		if ptr != l.Args[0] || mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4540  			break
  4541  		}
  4542  		v.reset(Op386ADDLconstmodify)
  4543  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  4544  		v.Aux = symToAux(sym)
  4545  		v.AddArg2(ptr, mem)
  4546  		return true
  4547  	}
  4548  	// match: (MOVLstore {sym} [off] ptr y:(ANDLconst [c] l:(MOVLload [off] {sym} ptr mem)) mem)
  4549  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4550  	// result: (ANDLconstmodify [makeValAndOff(c,off)] {sym} ptr mem)
  4551  	for {
  4552  		off := auxIntToInt32(v.AuxInt)
  4553  		sym := auxToSym(v.Aux)
  4554  		ptr := v_0
  4555  		y := v_1
  4556  		if y.Op != Op386ANDLconst {
  4557  			break
  4558  		}
  4559  		c := auxIntToInt32(y.AuxInt)
  4560  		l := y.Args[0]
  4561  		if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4562  			break
  4563  		}
  4564  		mem := l.Args[1]
  4565  		if ptr != l.Args[0] || mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4566  			break
  4567  		}
  4568  		v.reset(Op386ANDLconstmodify)
  4569  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  4570  		v.Aux = symToAux(sym)
  4571  		v.AddArg2(ptr, mem)
  4572  		return true
  4573  	}
  4574  	// match: (MOVLstore {sym} [off] ptr y:(ORLconst [c] l:(MOVLload [off] {sym} ptr mem)) mem)
  4575  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4576  	// result: (ORLconstmodify [makeValAndOff(c,off)] {sym} ptr mem)
  4577  	for {
  4578  		off := auxIntToInt32(v.AuxInt)
  4579  		sym := auxToSym(v.Aux)
  4580  		ptr := v_0
  4581  		y := v_1
  4582  		if y.Op != Op386ORLconst {
  4583  			break
  4584  		}
  4585  		c := auxIntToInt32(y.AuxInt)
  4586  		l := y.Args[0]
  4587  		if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4588  			break
  4589  		}
  4590  		mem := l.Args[1]
  4591  		if ptr != l.Args[0] || mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4592  			break
  4593  		}
  4594  		v.reset(Op386ORLconstmodify)
  4595  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  4596  		v.Aux = symToAux(sym)
  4597  		v.AddArg2(ptr, mem)
  4598  		return true
  4599  	}
  4600  	// match: (MOVLstore {sym} [off] ptr y:(XORLconst [c] l:(MOVLload [off] {sym} ptr mem)) mem)
  4601  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4602  	// result: (XORLconstmodify [makeValAndOff(c,off)] {sym} ptr mem)
  4603  	for {
  4604  		off := auxIntToInt32(v.AuxInt)
  4605  		sym := auxToSym(v.Aux)
  4606  		ptr := v_0
  4607  		y := v_1
  4608  		if y.Op != Op386XORLconst {
  4609  			break
  4610  		}
  4611  		c := auxIntToInt32(y.AuxInt)
  4612  		l := y.Args[0]
  4613  		if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4614  			break
  4615  		}
  4616  		mem := l.Args[1]
  4617  		if ptr != l.Args[0] || mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4618  			break
  4619  		}
  4620  		v.reset(Op386XORLconstmodify)
  4621  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  4622  		v.Aux = symToAux(sym)
  4623  		v.AddArg2(ptr, mem)
  4624  		return true
  4625  	}
  4626  	return false
  4627  }
  4628  func rewriteValue386_Op386MOVLstoreconst(v *Value) bool {
  4629  	v_1 := v.Args[1]
  4630  	v_0 := v.Args[0]
  4631  	b := v.Block
  4632  	config := b.Func.Config
  4633  	// match: (MOVLstoreconst [sc] {s} (ADDLconst [off] ptr) mem)
  4634  	// cond: sc.canAdd32(off)
  4635  	// result: (MOVLstoreconst [sc.addOffset32(off)] {s} ptr mem)
  4636  	for {
  4637  		sc := auxIntToValAndOff(v.AuxInt)
  4638  		s := auxToSym(v.Aux)
  4639  		if v_0.Op != Op386ADDLconst {
  4640  			break
  4641  		}
  4642  		off := auxIntToInt32(v_0.AuxInt)
  4643  		ptr := v_0.Args[0]
  4644  		mem := v_1
  4645  		if !(sc.canAdd32(off)) {
  4646  			break
  4647  		}
  4648  		v.reset(Op386MOVLstoreconst)
  4649  		v.AuxInt = valAndOffToAuxInt(sc.addOffset32(off))
  4650  		v.Aux = symToAux(s)
  4651  		v.AddArg2(ptr, mem)
  4652  		return true
  4653  	}
  4654  	// match: (MOVLstoreconst [sc] {sym1} (LEAL [off] {sym2} ptr) mem)
  4655  	// cond: canMergeSym(sym1, sym2) && sc.canAdd32(off) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)
  4656  	// result: (MOVLstoreconst [sc.addOffset32(off)] {mergeSym(sym1, sym2)} ptr mem)
  4657  	for {
  4658  		sc := auxIntToValAndOff(v.AuxInt)
  4659  		sym1 := auxToSym(v.Aux)
  4660  		if v_0.Op != Op386LEAL {
  4661  			break
  4662  		}
  4663  		off := auxIntToInt32(v_0.AuxInt)
  4664  		sym2 := auxToSym(v_0.Aux)
  4665  		ptr := v_0.Args[0]
  4666  		mem := v_1
  4667  		if !(canMergeSym(sym1, sym2) && sc.canAdd32(off) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) {
  4668  			break
  4669  		}
  4670  		v.reset(Op386MOVLstoreconst)
  4671  		v.AuxInt = valAndOffToAuxInt(sc.addOffset32(off))
  4672  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4673  		v.AddArg2(ptr, mem)
  4674  		return true
  4675  	}
  4676  	return false
  4677  }
  4678  func rewriteValue386_Op386MOVSDconst(v *Value) bool {
  4679  	b := v.Block
  4680  	config := b.Func.Config
  4681  	typ := &b.Func.Config.Types
  4682  	// match: (MOVSDconst [c])
  4683  	// cond: config.ctxt.Flag_shared
  4684  	// result: (MOVSDconst2 (MOVSDconst1 [c]))
  4685  	for {
  4686  		c := auxIntToFloat64(v.AuxInt)
  4687  		if !(config.ctxt.Flag_shared) {
  4688  			break
  4689  		}
  4690  		v.reset(Op386MOVSDconst2)
  4691  		v0 := b.NewValue0(v.Pos, Op386MOVSDconst1, typ.UInt32)
  4692  		v0.AuxInt = float64ToAuxInt(c)
  4693  		v.AddArg(v0)
  4694  		return true
  4695  	}
  4696  	return false
  4697  }
  4698  func rewriteValue386_Op386MOVSDload(v *Value) bool {
  4699  	v_1 := v.Args[1]
  4700  	v_0 := v.Args[0]
  4701  	b := v.Block
  4702  	config := b.Func.Config
  4703  	// match: (MOVSDload [off1] {sym} (ADDLconst [off2] ptr) mem)
  4704  	// cond: is32Bit(int64(off1)+int64(off2))
  4705  	// result: (MOVSDload [off1+off2] {sym} ptr mem)
  4706  	for {
  4707  		off1 := auxIntToInt32(v.AuxInt)
  4708  		sym := auxToSym(v.Aux)
  4709  		if v_0.Op != Op386ADDLconst {
  4710  			break
  4711  		}
  4712  		off2 := auxIntToInt32(v_0.AuxInt)
  4713  		ptr := v_0.Args[0]
  4714  		mem := v_1
  4715  		if !(is32Bit(int64(off1) + int64(off2))) {
  4716  			break
  4717  		}
  4718  		v.reset(Op386MOVSDload)
  4719  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4720  		v.Aux = symToAux(sym)
  4721  		v.AddArg2(ptr, mem)
  4722  		return true
  4723  	}
  4724  	// match: (MOVSDload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  4725  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4726  	// result: (MOVSDload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  4727  	for {
  4728  		off1 := auxIntToInt32(v.AuxInt)
  4729  		sym1 := auxToSym(v.Aux)
  4730  		if v_0.Op != Op386LEAL {
  4731  			break
  4732  		}
  4733  		off2 := auxIntToInt32(v_0.AuxInt)
  4734  		sym2 := auxToSym(v_0.Aux)
  4735  		base := v_0.Args[0]
  4736  		mem := v_1
  4737  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4738  			break
  4739  		}
  4740  		v.reset(Op386MOVSDload)
  4741  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4742  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4743  		v.AddArg2(base, mem)
  4744  		return true
  4745  	}
  4746  	return false
  4747  }
  4748  func rewriteValue386_Op386MOVSDstore(v *Value) bool {
  4749  	v_2 := v.Args[2]
  4750  	v_1 := v.Args[1]
  4751  	v_0 := v.Args[0]
  4752  	b := v.Block
  4753  	config := b.Func.Config
  4754  	// match: (MOVSDstore [off1] {sym} (ADDLconst [off2] ptr) val mem)
  4755  	// cond: is32Bit(int64(off1)+int64(off2))
  4756  	// result: (MOVSDstore [off1+off2] {sym} ptr val mem)
  4757  	for {
  4758  		off1 := auxIntToInt32(v.AuxInt)
  4759  		sym := auxToSym(v.Aux)
  4760  		if v_0.Op != Op386ADDLconst {
  4761  			break
  4762  		}
  4763  		off2 := auxIntToInt32(v_0.AuxInt)
  4764  		ptr := v_0.Args[0]
  4765  		val := v_1
  4766  		mem := v_2
  4767  		if !(is32Bit(int64(off1) + int64(off2))) {
  4768  			break
  4769  		}
  4770  		v.reset(Op386MOVSDstore)
  4771  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4772  		v.Aux = symToAux(sym)
  4773  		v.AddArg3(ptr, val, mem)
  4774  		return true
  4775  	}
  4776  	// match: (MOVSDstore [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  4777  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4778  	// result: (MOVSDstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  4779  	for {
  4780  		off1 := auxIntToInt32(v.AuxInt)
  4781  		sym1 := auxToSym(v.Aux)
  4782  		if v_0.Op != Op386LEAL {
  4783  			break
  4784  		}
  4785  		off2 := auxIntToInt32(v_0.AuxInt)
  4786  		sym2 := auxToSym(v_0.Aux)
  4787  		base := v_0.Args[0]
  4788  		val := v_1
  4789  		mem := v_2
  4790  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4791  			break
  4792  		}
  4793  		v.reset(Op386MOVSDstore)
  4794  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4795  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4796  		v.AddArg3(base, val, mem)
  4797  		return true
  4798  	}
  4799  	return false
  4800  }
  4801  func rewriteValue386_Op386MOVSSconst(v *Value) bool {
  4802  	b := v.Block
  4803  	config := b.Func.Config
  4804  	typ := &b.Func.Config.Types
  4805  	// match: (MOVSSconst [c])
  4806  	// cond: config.ctxt.Flag_shared
  4807  	// result: (MOVSSconst2 (MOVSSconst1 [c]))
  4808  	for {
  4809  		c := auxIntToFloat32(v.AuxInt)
  4810  		if !(config.ctxt.Flag_shared) {
  4811  			break
  4812  		}
  4813  		v.reset(Op386MOVSSconst2)
  4814  		v0 := b.NewValue0(v.Pos, Op386MOVSSconst1, typ.UInt32)
  4815  		v0.AuxInt = float32ToAuxInt(c)
  4816  		v.AddArg(v0)
  4817  		return true
  4818  	}
  4819  	return false
  4820  }
  4821  func rewriteValue386_Op386MOVSSload(v *Value) bool {
  4822  	v_1 := v.Args[1]
  4823  	v_0 := v.Args[0]
  4824  	b := v.Block
  4825  	config := b.Func.Config
  4826  	// match: (MOVSSload [off1] {sym} (ADDLconst [off2] ptr) mem)
  4827  	// cond: is32Bit(int64(off1)+int64(off2))
  4828  	// result: (MOVSSload [off1+off2] {sym} ptr mem)
  4829  	for {
  4830  		off1 := auxIntToInt32(v.AuxInt)
  4831  		sym := auxToSym(v.Aux)
  4832  		if v_0.Op != Op386ADDLconst {
  4833  			break
  4834  		}
  4835  		off2 := auxIntToInt32(v_0.AuxInt)
  4836  		ptr := v_0.Args[0]
  4837  		mem := v_1
  4838  		if !(is32Bit(int64(off1) + int64(off2))) {
  4839  			break
  4840  		}
  4841  		v.reset(Op386MOVSSload)
  4842  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4843  		v.Aux = symToAux(sym)
  4844  		v.AddArg2(ptr, mem)
  4845  		return true
  4846  	}
  4847  	// match: (MOVSSload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  4848  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4849  	// result: (MOVSSload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  4850  	for {
  4851  		off1 := auxIntToInt32(v.AuxInt)
  4852  		sym1 := auxToSym(v.Aux)
  4853  		if v_0.Op != Op386LEAL {
  4854  			break
  4855  		}
  4856  		off2 := auxIntToInt32(v_0.AuxInt)
  4857  		sym2 := auxToSym(v_0.Aux)
  4858  		base := v_0.Args[0]
  4859  		mem := v_1
  4860  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4861  			break
  4862  		}
  4863  		v.reset(Op386MOVSSload)
  4864  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4865  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4866  		v.AddArg2(base, mem)
  4867  		return true
  4868  	}
  4869  	return false
  4870  }
  4871  func rewriteValue386_Op386MOVSSstore(v *Value) bool {
  4872  	v_2 := v.Args[2]
  4873  	v_1 := v.Args[1]
  4874  	v_0 := v.Args[0]
  4875  	b := v.Block
  4876  	config := b.Func.Config
  4877  	// match: (MOVSSstore [off1] {sym} (ADDLconst [off2] ptr) val mem)
  4878  	// cond: is32Bit(int64(off1)+int64(off2))
  4879  	// result: (MOVSSstore [off1+off2] {sym} ptr val mem)
  4880  	for {
  4881  		off1 := auxIntToInt32(v.AuxInt)
  4882  		sym := auxToSym(v.Aux)
  4883  		if v_0.Op != Op386ADDLconst {
  4884  			break
  4885  		}
  4886  		off2 := auxIntToInt32(v_0.AuxInt)
  4887  		ptr := v_0.Args[0]
  4888  		val := v_1
  4889  		mem := v_2
  4890  		if !(is32Bit(int64(off1) + int64(off2))) {
  4891  			break
  4892  		}
  4893  		v.reset(Op386MOVSSstore)
  4894  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4895  		v.Aux = symToAux(sym)
  4896  		v.AddArg3(ptr, val, mem)
  4897  		return true
  4898  	}
  4899  	// match: (MOVSSstore [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  4900  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4901  	// result: (MOVSSstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  4902  	for {
  4903  		off1 := auxIntToInt32(v.AuxInt)
  4904  		sym1 := auxToSym(v.Aux)
  4905  		if v_0.Op != Op386LEAL {
  4906  			break
  4907  		}
  4908  		off2 := auxIntToInt32(v_0.AuxInt)
  4909  		sym2 := auxToSym(v_0.Aux)
  4910  		base := v_0.Args[0]
  4911  		val := v_1
  4912  		mem := v_2
  4913  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4914  			break
  4915  		}
  4916  		v.reset(Op386MOVSSstore)
  4917  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4918  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4919  		v.AddArg3(base, val, mem)
  4920  		return true
  4921  	}
  4922  	return false
  4923  }
  4924  func rewriteValue386_Op386MOVWLSX(v *Value) bool {
  4925  	v_0 := v.Args[0]
  4926  	b := v.Block
  4927  	// match: (MOVWLSX x:(MOVWload [off] {sym} ptr mem))
  4928  	// cond: x.Uses == 1 && clobber(x)
  4929  	// result: @x.Block (MOVWLSXload <v.Type> [off] {sym} ptr mem)
  4930  	for {
  4931  		x := v_0
  4932  		if x.Op != Op386MOVWload {
  4933  			break
  4934  		}
  4935  		off := auxIntToInt32(x.AuxInt)
  4936  		sym := auxToSym(x.Aux)
  4937  		mem := x.Args[1]
  4938  		ptr := x.Args[0]
  4939  		if !(x.Uses == 1 && clobber(x)) {
  4940  			break
  4941  		}
  4942  		b = x.Block
  4943  		v0 := b.NewValue0(x.Pos, Op386MOVWLSXload, v.Type)
  4944  		v.copyOf(v0)
  4945  		v0.AuxInt = int32ToAuxInt(off)
  4946  		v0.Aux = symToAux(sym)
  4947  		v0.AddArg2(ptr, mem)
  4948  		return true
  4949  	}
  4950  	// match: (MOVWLSX (ANDLconst [c] x))
  4951  	// cond: c & 0x8000 == 0
  4952  	// result: (ANDLconst [c & 0x7fff] x)
  4953  	for {
  4954  		if v_0.Op != Op386ANDLconst {
  4955  			break
  4956  		}
  4957  		c := auxIntToInt32(v_0.AuxInt)
  4958  		x := v_0.Args[0]
  4959  		if !(c&0x8000 == 0) {
  4960  			break
  4961  		}
  4962  		v.reset(Op386ANDLconst)
  4963  		v.AuxInt = int32ToAuxInt(c & 0x7fff)
  4964  		v.AddArg(x)
  4965  		return true
  4966  	}
  4967  	return false
  4968  }
  4969  func rewriteValue386_Op386MOVWLSXload(v *Value) bool {
  4970  	v_1 := v.Args[1]
  4971  	v_0 := v.Args[0]
  4972  	b := v.Block
  4973  	config := b.Func.Config
  4974  	// match: (MOVWLSXload [off] {sym} ptr (MOVWstore [off2] {sym2} ptr2 x _))
  4975  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  4976  	// result: (MOVWLSX x)
  4977  	for {
  4978  		off := auxIntToInt32(v.AuxInt)
  4979  		sym := auxToSym(v.Aux)
  4980  		ptr := v_0
  4981  		if v_1.Op != Op386MOVWstore {
  4982  			break
  4983  		}
  4984  		off2 := auxIntToInt32(v_1.AuxInt)
  4985  		sym2 := auxToSym(v_1.Aux)
  4986  		x := v_1.Args[1]
  4987  		ptr2 := v_1.Args[0]
  4988  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  4989  			break
  4990  		}
  4991  		v.reset(Op386MOVWLSX)
  4992  		v.AddArg(x)
  4993  		return true
  4994  	}
  4995  	// match: (MOVWLSXload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  4996  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4997  	// result: (MOVWLSXload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  4998  	for {
  4999  		off1 := auxIntToInt32(v.AuxInt)
  5000  		sym1 := auxToSym(v.Aux)
  5001  		if v_0.Op != Op386LEAL {
  5002  			break
  5003  		}
  5004  		off2 := auxIntToInt32(v_0.AuxInt)
  5005  		sym2 := auxToSym(v_0.Aux)
  5006  		base := v_0.Args[0]
  5007  		mem := v_1
  5008  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  5009  			break
  5010  		}
  5011  		v.reset(Op386MOVWLSXload)
  5012  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5013  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5014  		v.AddArg2(base, mem)
  5015  		return true
  5016  	}
  5017  	return false
  5018  }
  5019  func rewriteValue386_Op386MOVWLZX(v *Value) bool {
  5020  	v_0 := v.Args[0]
  5021  	b := v.Block
  5022  	// match: (MOVWLZX x:(MOVWload [off] {sym} ptr mem))
  5023  	// cond: x.Uses == 1 && clobber(x)
  5024  	// result: @x.Block (MOVWload <v.Type> [off] {sym} ptr mem)
  5025  	for {
  5026  		x := v_0
  5027  		if x.Op != Op386MOVWload {
  5028  			break
  5029  		}
  5030  		off := auxIntToInt32(x.AuxInt)
  5031  		sym := auxToSym(x.Aux)
  5032  		mem := x.Args[1]
  5033  		ptr := x.Args[0]
  5034  		if !(x.Uses == 1 && clobber(x)) {
  5035  			break
  5036  		}
  5037  		b = x.Block
  5038  		v0 := b.NewValue0(x.Pos, Op386MOVWload, v.Type)
  5039  		v.copyOf(v0)
  5040  		v0.AuxInt = int32ToAuxInt(off)
  5041  		v0.Aux = symToAux(sym)
  5042  		v0.AddArg2(ptr, mem)
  5043  		return true
  5044  	}
  5045  	// match: (MOVWLZX (ANDLconst [c] x))
  5046  	// result: (ANDLconst [c & 0xffff] x)
  5047  	for {
  5048  		if v_0.Op != Op386ANDLconst {
  5049  			break
  5050  		}
  5051  		c := auxIntToInt32(v_0.AuxInt)
  5052  		x := v_0.Args[0]
  5053  		v.reset(Op386ANDLconst)
  5054  		v.AuxInt = int32ToAuxInt(c & 0xffff)
  5055  		v.AddArg(x)
  5056  		return true
  5057  	}
  5058  	return false
  5059  }
  5060  func rewriteValue386_Op386MOVWload(v *Value) bool {
  5061  	v_1 := v.Args[1]
  5062  	v_0 := v.Args[0]
  5063  	b := v.Block
  5064  	config := b.Func.Config
  5065  	// match: (MOVWload [off] {sym} ptr (MOVWstore [off2] {sym2} ptr2 x _))
  5066  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  5067  	// result: (MOVWLZX x)
  5068  	for {
  5069  		off := auxIntToInt32(v.AuxInt)
  5070  		sym := auxToSym(v.Aux)
  5071  		ptr := v_0
  5072  		if v_1.Op != Op386MOVWstore {
  5073  			break
  5074  		}
  5075  		off2 := auxIntToInt32(v_1.AuxInt)
  5076  		sym2 := auxToSym(v_1.Aux)
  5077  		x := v_1.Args[1]
  5078  		ptr2 := v_1.Args[0]
  5079  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  5080  			break
  5081  		}
  5082  		v.reset(Op386MOVWLZX)
  5083  		v.AddArg(x)
  5084  		return true
  5085  	}
  5086  	// match: (MOVWload [off1] {sym} (ADDLconst [off2] ptr) mem)
  5087  	// cond: is32Bit(int64(off1)+int64(off2))
  5088  	// result: (MOVWload [off1+off2] {sym} ptr mem)
  5089  	for {
  5090  		off1 := auxIntToInt32(v.AuxInt)
  5091  		sym := auxToSym(v.Aux)
  5092  		if v_0.Op != Op386ADDLconst {
  5093  			break
  5094  		}
  5095  		off2 := auxIntToInt32(v_0.AuxInt)
  5096  		ptr := v_0.Args[0]
  5097  		mem := v_1
  5098  		if !(is32Bit(int64(off1) + int64(off2))) {
  5099  			break
  5100  		}
  5101  		v.reset(Op386MOVWload)
  5102  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5103  		v.Aux = symToAux(sym)
  5104  		v.AddArg2(ptr, mem)
  5105  		return true
  5106  	}
  5107  	// match: (MOVWload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  5108  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  5109  	// result: (MOVWload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  5110  	for {
  5111  		off1 := auxIntToInt32(v.AuxInt)
  5112  		sym1 := auxToSym(v.Aux)
  5113  		if v_0.Op != Op386LEAL {
  5114  			break
  5115  		}
  5116  		off2 := auxIntToInt32(v_0.AuxInt)
  5117  		sym2 := auxToSym(v_0.Aux)
  5118  		base := v_0.Args[0]
  5119  		mem := v_1
  5120  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  5121  			break
  5122  		}
  5123  		v.reset(Op386MOVWload)
  5124  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5125  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5126  		v.AddArg2(base, mem)
  5127  		return true
  5128  	}
  5129  	// match: (MOVWload [off] {sym} (SB) _)
  5130  	// cond: symIsRO(sym)
  5131  	// result: (MOVLconst [int32(read16(sym, int64(off), config.ctxt.Arch.ByteOrder))])
  5132  	for {
  5133  		off := auxIntToInt32(v.AuxInt)
  5134  		sym := auxToSym(v.Aux)
  5135  		if v_0.Op != OpSB || !(symIsRO(sym)) {
  5136  			break
  5137  		}
  5138  		v.reset(Op386MOVLconst)
  5139  		v.AuxInt = int32ToAuxInt(int32(read16(sym, int64(off), config.ctxt.Arch.ByteOrder)))
  5140  		return true
  5141  	}
  5142  	return false
  5143  }
  5144  func rewriteValue386_Op386MOVWstore(v *Value) bool {
  5145  	v_2 := v.Args[2]
  5146  	v_1 := v.Args[1]
  5147  	v_0 := v.Args[0]
  5148  	b := v.Block
  5149  	config := b.Func.Config
  5150  	// match: (MOVWstore [off] {sym} ptr (MOVWLSX x) mem)
  5151  	// result: (MOVWstore [off] {sym} ptr x mem)
  5152  	for {
  5153  		off := auxIntToInt32(v.AuxInt)
  5154  		sym := auxToSym(v.Aux)
  5155  		ptr := v_0
  5156  		if v_1.Op != Op386MOVWLSX {
  5157  			break
  5158  		}
  5159  		x := v_1.Args[0]
  5160  		mem := v_2
  5161  		v.reset(Op386MOVWstore)
  5162  		v.AuxInt = int32ToAuxInt(off)
  5163  		v.Aux = symToAux(sym)
  5164  		v.AddArg3(ptr, x, mem)
  5165  		return true
  5166  	}
  5167  	// match: (MOVWstore [off] {sym} ptr (MOVWLZX x) mem)
  5168  	// result: (MOVWstore [off] {sym} ptr x mem)
  5169  	for {
  5170  		off := auxIntToInt32(v.AuxInt)
  5171  		sym := auxToSym(v.Aux)
  5172  		ptr := v_0
  5173  		if v_1.Op != Op386MOVWLZX {
  5174  			break
  5175  		}
  5176  		x := v_1.Args[0]
  5177  		mem := v_2
  5178  		v.reset(Op386MOVWstore)
  5179  		v.AuxInt = int32ToAuxInt(off)
  5180  		v.Aux = symToAux(sym)
  5181  		v.AddArg3(ptr, x, mem)
  5182  		return true
  5183  	}
  5184  	// match: (MOVWstore [off1] {sym} (ADDLconst [off2] ptr) val mem)
  5185  	// cond: is32Bit(int64(off1)+int64(off2))
  5186  	// result: (MOVWstore [off1+off2] {sym} ptr val mem)
  5187  	for {
  5188  		off1 := auxIntToInt32(v.AuxInt)
  5189  		sym := auxToSym(v.Aux)
  5190  		if v_0.Op != Op386ADDLconst {
  5191  			break
  5192  		}
  5193  		off2 := auxIntToInt32(v_0.AuxInt)
  5194  		ptr := v_0.Args[0]
  5195  		val := v_1
  5196  		mem := v_2
  5197  		if !(is32Bit(int64(off1) + int64(off2))) {
  5198  			break
  5199  		}
  5200  		v.reset(Op386MOVWstore)
  5201  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5202  		v.Aux = symToAux(sym)
  5203  		v.AddArg3(ptr, val, mem)
  5204  		return true
  5205  	}
  5206  	// match: (MOVWstore [off] {sym} ptr (MOVLconst [c]) mem)
  5207  	// result: (MOVWstoreconst [makeValAndOff(c,off)] {sym} ptr mem)
  5208  	for {
  5209  		off := auxIntToInt32(v.AuxInt)
  5210  		sym := auxToSym(v.Aux)
  5211  		ptr := v_0
  5212  		if v_1.Op != Op386MOVLconst {
  5213  			break
  5214  		}
  5215  		c := auxIntToInt32(v_1.AuxInt)
  5216  		mem := v_2
  5217  		v.reset(Op386MOVWstoreconst)
  5218  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  5219  		v.Aux = symToAux(sym)
  5220  		v.AddArg2(ptr, mem)
  5221  		return true
  5222  	}
  5223  	// match: (MOVWstore [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  5224  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  5225  	// result: (MOVWstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  5226  	for {
  5227  		off1 := auxIntToInt32(v.AuxInt)
  5228  		sym1 := auxToSym(v.Aux)
  5229  		if v_0.Op != Op386LEAL {
  5230  			break
  5231  		}
  5232  		off2 := auxIntToInt32(v_0.AuxInt)
  5233  		sym2 := auxToSym(v_0.Aux)
  5234  		base := v_0.Args[0]
  5235  		val := v_1
  5236  		mem := v_2
  5237  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  5238  			break
  5239  		}
  5240  		v.reset(Op386MOVWstore)
  5241  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5242  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5243  		v.AddArg3(base, val, mem)
  5244  		return true
  5245  	}
  5246  	// match: (MOVWstore [i] {s} p (SHRLconst [16] w) x:(MOVWstore [i-2] {s} p w mem))
  5247  	// cond: x.Uses == 1 && clobber(x)
  5248  	// result: (MOVLstore [i-2] {s} p w mem)
  5249  	for {
  5250  		i := auxIntToInt32(v.AuxInt)
  5251  		s := auxToSym(v.Aux)
  5252  		p := v_0
  5253  		if v_1.Op != Op386SHRLconst || auxIntToInt32(v_1.AuxInt) != 16 {
  5254  			break
  5255  		}
  5256  		w := v_1.Args[0]
  5257  		x := v_2
  5258  		if x.Op != Op386MOVWstore || auxIntToInt32(x.AuxInt) != i-2 || auxToSym(x.Aux) != s {
  5259  			break
  5260  		}
  5261  		mem := x.Args[2]
  5262  		if p != x.Args[0] || w != x.Args[1] || !(x.Uses == 1 && clobber(x)) {
  5263  			break
  5264  		}
  5265  		v.reset(Op386MOVLstore)
  5266  		v.AuxInt = int32ToAuxInt(i - 2)
  5267  		v.Aux = symToAux(s)
  5268  		v.AddArg3(p, w, mem)
  5269  		return true
  5270  	}
  5271  	// match: (MOVWstore [i] {s} p (SHRLconst [j] w) x:(MOVWstore [i-2] {s} p w0:(SHRLconst [j-16] w) mem))
  5272  	// cond: x.Uses == 1 && clobber(x)
  5273  	// result: (MOVLstore [i-2] {s} p w0 mem)
  5274  	for {
  5275  		i := auxIntToInt32(v.AuxInt)
  5276  		s := auxToSym(v.Aux)
  5277  		p := v_0
  5278  		if v_1.Op != Op386SHRLconst {
  5279  			break
  5280  		}
  5281  		j := auxIntToInt32(v_1.AuxInt)
  5282  		w := v_1.Args[0]
  5283  		x := v_2
  5284  		if x.Op != Op386MOVWstore || auxIntToInt32(x.AuxInt) != i-2 || auxToSym(x.Aux) != s {
  5285  			break
  5286  		}
  5287  		mem := x.Args[2]
  5288  		if p != x.Args[0] {
  5289  			break
  5290  		}
  5291  		w0 := x.Args[1]
  5292  		if w0.Op != Op386SHRLconst || auxIntToInt32(w0.AuxInt) != j-16 || w != w0.Args[0] || !(x.Uses == 1 && clobber(x)) {
  5293  			break
  5294  		}
  5295  		v.reset(Op386MOVLstore)
  5296  		v.AuxInt = int32ToAuxInt(i - 2)
  5297  		v.Aux = symToAux(s)
  5298  		v.AddArg3(p, w0, mem)
  5299  		return true
  5300  	}
  5301  	// match: (MOVWstore [i] {s} p1 (SHRLconst [16] w) x:(MOVWstore [i] {s} p0 w mem))
  5302  	// cond: x.Uses == 1 && sequentialAddresses(p0, p1, 2) && clobber(x)
  5303  	// result: (MOVLstore [i] {s} p0 w mem)
  5304  	for {
  5305  		i := auxIntToInt32(v.AuxInt)
  5306  		s := auxToSym(v.Aux)
  5307  		p1 := v_0
  5308  		if v_1.Op != Op386SHRLconst || auxIntToInt32(v_1.AuxInt) != 16 {
  5309  			break
  5310  		}
  5311  		w := v_1.Args[0]
  5312  		x := v_2
  5313  		if x.Op != Op386MOVWstore || auxIntToInt32(x.AuxInt) != i || auxToSym(x.Aux) != s {
  5314  			break
  5315  		}
  5316  		mem := x.Args[2]
  5317  		p0 := x.Args[0]
  5318  		if w != x.Args[1] || !(x.Uses == 1 && sequentialAddresses(p0, p1, 2) && clobber(x)) {
  5319  			break
  5320  		}
  5321  		v.reset(Op386MOVLstore)
  5322  		v.AuxInt = int32ToAuxInt(i)
  5323  		v.Aux = symToAux(s)
  5324  		v.AddArg3(p0, w, mem)
  5325  		return true
  5326  	}
  5327  	// match: (MOVWstore [i] {s} p1 (SHRLconst [j] w) x:(MOVWstore [i] {s} p0 w0:(SHRLconst [j-16] w) mem))
  5328  	// cond: x.Uses == 1 && sequentialAddresses(p0, p1, 2) && clobber(x)
  5329  	// result: (MOVLstore [i] {s} p0 w0 mem)
  5330  	for {
  5331  		i := auxIntToInt32(v.AuxInt)
  5332  		s := auxToSym(v.Aux)
  5333  		p1 := v_0
  5334  		if v_1.Op != Op386SHRLconst {
  5335  			break
  5336  		}
  5337  		j := auxIntToInt32(v_1.AuxInt)
  5338  		w := v_1.Args[0]
  5339  		x := v_2
  5340  		if x.Op != Op386MOVWstore || auxIntToInt32(x.AuxInt) != i || auxToSym(x.Aux) != s {
  5341  			break
  5342  		}
  5343  		mem := x.Args[2]
  5344  		p0 := x.Args[0]
  5345  		w0 := x.Args[1]
  5346  		if w0.Op != Op386SHRLconst || auxIntToInt32(w0.AuxInt) != j-16 || w != w0.Args[0] || !(x.Uses == 1 && sequentialAddresses(p0, p1, 2) && clobber(x)) {
  5347  			break
  5348  		}
  5349  		v.reset(Op386MOVLstore)
  5350  		v.AuxInt = int32ToAuxInt(i)
  5351  		v.Aux = symToAux(s)
  5352  		v.AddArg3(p0, w0, mem)
  5353  		return true
  5354  	}
  5355  	return false
  5356  }
  5357  func rewriteValue386_Op386MOVWstoreconst(v *Value) bool {
  5358  	v_1 := v.Args[1]
  5359  	v_0 := v.Args[0]
  5360  	b := v.Block
  5361  	config := b.Func.Config
  5362  	// match: (MOVWstoreconst [sc] {s} (ADDLconst [off] ptr) mem)
  5363  	// cond: sc.canAdd32(off)
  5364  	// result: (MOVWstoreconst [sc.addOffset32(off)] {s} ptr mem)
  5365  	for {
  5366  		sc := auxIntToValAndOff(v.AuxInt)
  5367  		s := auxToSym(v.Aux)
  5368  		if v_0.Op != Op386ADDLconst {
  5369  			break
  5370  		}
  5371  		off := auxIntToInt32(v_0.AuxInt)
  5372  		ptr := v_0.Args[0]
  5373  		mem := v_1
  5374  		if !(sc.canAdd32(off)) {
  5375  			break
  5376  		}
  5377  		v.reset(Op386MOVWstoreconst)
  5378  		v.AuxInt = valAndOffToAuxInt(sc.addOffset32(off))
  5379  		v.Aux = symToAux(s)
  5380  		v.AddArg2(ptr, mem)
  5381  		return true
  5382  	}
  5383  	// match: (MOVWstoreconst [sc] {sym1} (LEAL [off] {sym2} ptr) mem)
  5384  	// cond: canMergeSym(sym1, sym2) && sc.canAdd32(off) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)
  5385  	// result: (MOVWstoreconst [sc.addOffset32(off)] {mergeSym(sym1, sym2)} ptr mem)
  5386  	for {
  5387  		sc := auxIntToValAndOff(v.AuxInt)
  5388  		sym1 := auxToSym(v.Aux)
  5389  		if v_0.Op != Op386LEAL {
  5390  			break
  5391  		}
  5392  		off := auxIntToInt32(v_0.AuxInt)
  5393  		sym2 := auxToSym(v_0.Aux)
  5394  		ptr := v_0.Args[0]
  5395  		mem := v_1
  5396  		if !(canMergeSym(sym1, sym2) && sc.canAdd32(off) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) {
  5397  			break
  5398  		}
  5399  		v.reset(Op386MOVWstoreconst)
  5400  		v.AuxInt = valAndOffToAuxInt(sc.addOffset32(off))
  5401  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5402  		v.AddArg2(ptr, mem)
  5403  		return true
  5404  	}
  5405  	// match: (MOVWstoreconst [c] {s} p x:(MOVWstoreconst [a] {s} p mem))
  5406  	// cond: x.Uses == 1 && a.Off() + 2 == c.Off() && clobber(x)
  5407  	// result: (MOVLstoreconst [makeValAndOff(a.Val()&0xffff | c.Val()<<16, a.Off())] {s} p mem)
  5408  	for {
  5409  		c := auxIntToValAndOff(v.AuxInt)
  5410  		s := auxToSym(v.Aux)
  5411  		p := v_0
  5412  		x := v_1
  5413  		if x.Op != Op386MOVWstoreconst {
  5414  			break
  5415  		}
  5416  		a := auxIntToValAndOff(x.AuxInt)
  5417  		if auxToSym(x.Aux) != s {
  5418  			break
  5419  		}
  5420  		mem := x.Args[1]
  5421  		if p != x.Args[0] || !(x.Uses == 1 && a.Off()+2 == c.Off() && clobber(x)) {
  5422  			break
  5423  		}
  5424  		v.reset(Op386MOVLstoreconst)
  5425  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(a.Val()&0xffff|c.Val()<<16, a.Off()))
  5426  		v.Aux = symToAux(s)
  5427  		v.AddArg2(p, mem)
  5428  		return true
  5429  	}
  5430  	// match: (MOVWstoreconst [a] {s} p x:(MOVWstoreconst [c] {s} p mem))
  5431  	// cond: x.Uses == 1 && ValAndOff(a).Off() + 2 == ValAndOff(c).Off() && clobber(x)
  5432  	// result: (MOVLstoreconst [makeValAndOff(a.Val()&0xffff | c.Val()<<16, a.Off())] {s} p mem)
  5433  	for {
  5434  		a := auxIntToValAndOff(v.AuxInt)
  5435  		s := auxToSym(v.Aux)
  5436  		p := v_0
  5437  		x := v_1
  5438  		if x.Op != Op386MOVWstoreconst {
  5439  			break
  5440  		}
  5441  		c := auxIntToValAndOff(x.AuxInt)
  5442  		if auxToSym(x.Aux) != s {
  5443  			break
  5444  		}
  5445  		mem := x.Args[1]
  5446  		if p != x.Args[0] || !(x.Uses == 1 && ValAndOff(a).Off()+2 == ValAndOff(c).Off() && clobber(x)) {
  5447  			break
  5448  		}
  5449  		v.reset(Op386MOVLstoreconst)
  5450  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(a.Val()&0xffff|c.Val()<<16, a.Off()))
  5451  		v.Aux = symToAux(s)
  5452  		v.AddArg2(p, mem)
  5453  		return true
  5454  	}
  5455  	// match: (MOVWstoreconst [c] {s} p1 x:(MOVWstoreconst [a] {s} p0 mem))
  5456  	// cond: x.Uses == 1 && a.Off() == c.Off() && sequentialAddresses(p0, p1, 2) && clobber(x)
  5457  	// result: (MOVLstoreconst [makeValAndOff(a.Val()&0xffff | c.Val()<<16, a.Off())] {s} p0 mem)
  5458  	for {
  5459  		c := auxIntToValAndOff(v.AuxInt)
  5460  		s := auxToSym(v.Aux)
  5461  		p1 := v_0
  5462  		x := v_1
  5463  		if x.Op != Op386MOVWstoreconst {
  5464  			break
  5465  		}
  5466  		a := auxIntToValAndOff(x.AuxInt)
  5467  		if auxToSym(x.Aux) != s {
  5468  			break
  5469  		}
  5470  		mem := x.Args[1]
  5471  		p0 := x.Args[0]
  5472  		if !(x.Uses == 1 && a.Off() == c.Off() && sequentialAddresses(p0, p1, 2) && clobber(x)) {
  5473  			break
  5474  		}
  5475  		v.reset(Op386MOVLstoreconst)
  5476  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(a.Val()&0xffff|c.Val()<<16, a.Off()))
  5477  		v.Aux = symToAux(s)
  5478  		v.AddArg2(p0, mem)
  5479  		return true
  5480  	}
  5481  	// match: (MOVWstoreconst [a] {s} p0 x:(MOVWstoreconst [c] {s} p1 mem))
  5482  	// cond: x.Uses == 1 && a.Off() == c.Off() && sequentialAddresses(p0, p1, 2) && clobber(x)
  5483  	// result: (MOVLstoreconst [makeValAndOff(a.Val()&0xffff | c.Val()<<16, a.Off())] {s} p0 mem)
  5484  	for {
  5485  		a := auxIntToValAndOff(v.AuxInt)
  5486  		s := auxToSym(v.Aux)
  5487  		p0 := v_0
  5488  		x := v_1
  5489  		if x.Op != Op386MOVWstoreconst {
  5490  			break
  5491  		}
  5492  		c := auxIntToValAndOff(x.AuxInt)
  5493  		if auxToSym(x.Aux) != s {
  5494  			break
  5495  		}
  5496  		mem := x.Args[1]
  5497  		p1 := x.Args[0]
  5498  		if !(x.Uses == 1 && a.Off() == c.Off() && sequentialAddresses(p0, p1, 2) && clobber(x)) {
  5499  			break
  5500  		}
  5501  		v.reset(Op386MOVLstoreconst)
  5502  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(a.Val()&0xffff|c.Val()<<16, a.Off()))
  5503  		v.Aux = symToAux(s)
  5504  		v.AddArg2(p0, mem)
  5505  		return true
  5506  	}
  5507  	return false
  5508  }
  5509  func rewriteValue386_Op386MULL(v *Value) bool {
  5510  	v_1 := v.Args[1]
  5511  	v_0 := v.Args[0]
  5512  	// match: (MULL x (MOVLconst [c]))
  5513  	// result: (MULLconst [c] x)
  5514  	for {
  5515  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5516  			x := v_0
  5517  			if v_1.Op != Op386MOVLconst {
  5518  				continue
  5519  			}
  5520  			c := auxIntToInt32(v_1.AuxInt)
  5521  			v.reset(Op386MULLconst)
  5522  			v.AuxInt = int32ToAuxInt(c)
  5523  			v.AddArg(x)
  5524  			return true
  5525  		}
  5526  		break
  5527  	}
  5528  	// match: (MULL x l:(MOVLload [off] {sym} ptr mem))
  5529  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  5530  	// result: (MULLload x [off] {sym} ptr mem)
  5531  	for {
  5532  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5533  			x := v_0
  5534  			l := v_1
  5535  			if l.Op != Op386MOVLload {
  5536  				continue
  5537  			}
  5538  			off := auxIntToInt32(l.AuxInt)
  5539  			sym := auxToSym(l.Aux)
  5540  			mem := l.Args[1]
  5541  			ptr := l.Args[0]
  5542  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  5543  				continue
  5544  			}
  5545  			v.reset(Op386MULLload)
  5546  			v.AuxInt = int32ToAuxInt(off)
  5547  			v.Aux = symToAux(sym)
  5548  			v.AddArg3(x, ptr, mem)
  5549  			return true
  5550  		}
  5551  		break
  5552  	}
  5553  	return false
  5554  }
  5555  func rewriteValue386_Op386MULLconst(v *Value) bool {
  5556  	v_0 := v.Args[0]
  5557  	b := v.Block
  5558  	// match: (MULLconst [c] (MULLconst [d] x))
  5559  	// result: (MULLconst [c * d] x)
  5560  	for {
  5561  		c := auxIntToInt32(v.AuxInt)
  5562  		if v_0.Op != Op386MULLconst {
  5563  			break
  5564  		}
  5565  		d := auxIntToInt32(v_0.AuxInt)
  5566  		x := v_0.Args[0]
  5567  		v.reset(Op386MULLconst)
  5568  		v.AuxInt = int32ToAuxInt(c * d)
  5569  		v.AddArg(x)
  5570  		return true
  5571  	}
  5572  	// match: (MULLconst [-9] x)
  5573  	// result: (NEGL (LEAL8 <v.Type> x x))
  5574  	for {
  5575  		if auxIntToInt32(v.AuxInt) != -9 {
  5576  			break
  5577  		}
  5578  		x := v_0
  5579  		v.reset(Op386NEGL)
  5580  		v0 := b.NewValue0(v.Pos, Op386LEAL8, v.Type)
  5581  		v0.AddArg2(x, x)
  5582  		v.AddArg(v0)
  5583  		return true
  5584  	}
  5585  	// match: (MULLconst [-5] x)
  5586  	// result: (NEGL (LEAL4 <v.Type> x x))
  5587  	for {
  5588  		if auxIntToInt32(v.AuxInt) != -5 {
  5589  			break
  5590  		}
  5591  		x := v_0
  5592  		v.reset(Op386NEGL)
  5593  		v0 := b.NewValue0(v.Pos, Op386LEAL4, v.Type)
  5594  		v0.AddArg2(x, x)
  5595  		v.AddArg(v0)
  5596  		return true
  5597  	}
  5598  	// match: (MULLconst [-3] x)
  5599  	// result: (NEGL (LEAL2 <v.Type> x x))
  5600  	for {
  5601  		if auxIntToInt32(v.AuxInt) != -3 {
  5602  			break
  5603  		}
  5604  		x := v_0
  5605  		v.reset(Op386NEGL)
  5606  		v0 := b.NewValue0(v.Pos, Op386LEAL2, v.Type)
  5607  		v0.AddArg2(x, x)
  5608  		v.AddArg(v0)
  5609  		return true
  5610  	}
  5611  	// match: (MULLconst [-1] x)
  5612  	// result: (NEGL x)
  5613  	for {
  5614  		if auxIntToInt32(v.AuxInt) != -1 {
  5615  			break
  5616  		}
  5617  		x := v_0
  5618  		v.reset(Op386NEGL)
  5619  		v.AddArg(x)
  5620  		return true
  5621  	}
  5622  	// match: (MULLconst [0] _)
  5623  	// result: (MOVLconst [0])
  5624  	for {
  5625  		if auxIntToInt32(v.AuxInt) != 0 {
  5626  			break
  5627  		}
  5628  		v.reset(Op386MOVLconst)
  5629  		v.AuxInt = int32ToAuxInt(0)
  5630  		return true
  5631  	}
  5632  	// match: (MULLconst [1] x)
  5633  	// result: x
  5634  	for {
  5635  		if auxIntToInt32(v.AuxInt) != 1 {
  5636  			break
  5637  		}
  5638  		x := v_0
  5639  		v.copyOf(x)
  5640  		return true
  5641  	}
  5642  	// match: (MULLconst [3] x)
  5643  	// result: (LEAL2 x x)
  5644  	for {
  5645  		if auxIntToInt32(v.AuxInt) != 3 {
  5646  			break
  5647  		}
  5648  		x := v_0
  5649  		v.reset(Op386LEAL2)
  5650  		v.AddArg2(x, x)
  5651  		return true
  5652  	}
  5653  	// match: (MULLconst [5] x)
  5654  	// result: (LEAL4 x x)
  5655  	for {
  5656  		if auxIntToInt32(v.AuxInt) != 5 {
  5657  			break
  5658  		}
  5659  		x := v_0
  5660  		v.reset(Op386LEAL4)
  5661  		v.AddArg2(x, x)
  5662  		return true
  5663  	}
  5664  	// match: (MULLconst [7] x)
  5665  	// result: (LEAL2 x (LEAL2 <v.Type> x x))
  5666  	for {
  5667  		if auxIntToInt32(v.AuxInt) != 7 {
  5668  			break
  5669  		}
  5670  		x := v_0
  5671  		v.reset(Op386LEAL2)
  5672  		v0 := b.NewValue0(v.Pos, Op386LEAL2, v.Type)
  5673  		v0.AddArg2(x, x)
  5674  		v.AddArg2(x, v0)
  5675  		return true
  5676  	}
  5677  	// match: (MULLconst [9] x)
  5678  	// result: (LEAL8 x x)
  5679  	for {
  5680  		if auxIntToInt32(v.AuxInt) != 9 {
  5681  			break
  5682  		}
  5683  		x := v_0
  5684  		v.reset(Op386LEAL8)
  5685  		v.AddArg2(x, x)
  5686  		return true
  5687  	}
  5688  	// match: (MULLconst [11] x)
  5689  	// result: (LEAL2 x (LEAL4 <v.Type> x x))
  5690  	for {
  5691  		if auxIntToInt32(v.AuxInt) != 11 {
  5692  			break
  5693  		}
  5694  		x := v_0
  5695  		v.reset(Op386LEAL2)
  5696  		v0 := b.NewValue0(v.Pos, Op386LEAL4, v.Type)
  5697  		v0.AddArg2(x, x)
  5698  		v.AddArg2(x, v0)
  5699  		return true
  5700  	}
  5701  	// match: (MULLconst [13] x)
  5702  	// result: (LEAL4 x (LEAL2 <v.Type> x x))
  5703  	for {
  5704  		if auxIntToInt32(v.AuxInt) != 13 {
  5705  			break
  5706  		}
  5707  		x := v_0
  5708  		v.reset(Op386LEAL4)
  5709  		v0 := b.NewValue0(v.Pos, Op386LEAL2, v.Type)
  5710  		v0.AddArg2(x, x)
  5711  		v.AddArg2(x, v0)
  5712  		return true
  5713  	}
  5714  	// match: (MULLconst [19] x)
  5715  	// result: (LEAL2 x (LEAL8 <v.Type> x x))
  5716  	for {
  5717  		if auxIntToInt32(v.AuxInt) != 19 {
  5718  			break
  5719  		}
  5720  		x := v_0
  5721  		v.reset(Op386LEAL2)
  5722  		v0 := b.NewValue0(v.Pos, Op386LEAL8, v.Type)
  5723  		v0.AddArg2(x, x)
  5724  		v.AddArg2(x, v0)
  5725  		return true
  5726  	}
  5727  	// match: (MULLconst [21] x)
  5728  	// result: (LEAL4 x (LEAL4 <v.Type> x x))
  5729  	for {
  5730  		if auxIntToInt32(v.AuxInt) != 21 {
  5731  			break
  5732  		}
  5733  		x := v_0
  5734  		v.reset(Op386LEAL4)
  5735  		v0 := b.NewValue0(v.Pos, Op386LEAL4, v.Type)
  5736  		v0.AddArg2(x, x)
  5737  		v.AddArg2(x, v0)
  5738  		return true
  5739  	}
  5740  	// match: (MULLconst [25] x)
  5741  	// result: (LEAL8 x (LEAL2 <v.Type> x x))
  5742  	for {
  5743  		if auxIntToInt32(v.AuxInt) != 25 {
  5744  			break
  5745  		}
  5746  		x := v_0
  5747  		v.reset(Op386LEAL8)
  5748  		v0 := b.NewValue0(v.Pos, Op386LEAL2, v.Type)
  5749  		v0.AddArg2(x, x)
  5750  		v.AddArg2(x, v0)
  5751  		return true
  5752  	}
  5753  	// match: (MULLconst [27] x)
  5754  	// result: (LEAL8 (LEAL2 <v.Type> x x) (LEAL2 <v.Type> x x))
  5755  	for {
  5756  		if auxIntToInt32(v.AuxInt) != 27 {
  5757  			break
  5758  		}
  5759  		x := v_0
  5760  		v.reset(Op386LEAL8)
  5761  		v0 := b.NewValue0(v.Pos, Op386LEAL2, v.Type)
  5762  		v0.AddArg2(x, x)
  5763  		v.AddArg2(v0, v0)
  5764  		return true
  5765  	}
  5766  	// match: (MULLconst [37] x)
  5767  	// result: (LEAL4 x (LEAL8 <v.Type> x x))
  5768  	for {
  5769  		if auxIntToInt32(v.AuxInt) != 37 {
  5770  			break
  5771  		}
  5772  		x := v_0
  5773  		v.reset(Op386LEAL4)
  5774  		v0 := b.NewValue0(v.Pos, Op386LEAL8, v.Type)
  5775  		v0.AddArg2(x, x)
  5776  		v.AddArg2(x, v0)
  5777  		return true
  5778  	}
  5779  	// match: (MULLconst [41] x)
  5780  	// result: (LEAL8 x (LEAL4 <v.Type> x x))
  5781  	for {
  5782  		if auxIntToInt32(v.AuxInt) != 41 {
  5783  			break
  5784  		}
  5785  		x := v_0
  5786  		v.reset(Op386LEAL8)
  5787  		v0 := b.NewValue0(v.Pos, Op386LEAL4, v.Type)
  5788  		v0.AddArg2(x, x)
  5789  		v.AddArg2(x, v0)
  5790  		return true
  5791  	}
  5792  	// match: (MULLconst [45] x)
  5793  	// result: (LEAL8 (LEAL4 <v.Type> x x) (LEAL4 <v.Type> x x))
  5794  	for {
  5795  		if auxIntToInt32(v.AuxInt) != 45 {
  5796  			break
  5797  		}
  5798  		x := v_0
  5799  		v.reset(Op386LEAL8)
  5800  		v0 := b.NewValue0(v.Pos, Op386LEAL4, v.Type)
  5801  		v0.AddArg2(x, x)
  5802  		v.AddArg2(v0, v0)
  5803  		return true
  5804  	}
  5805  	// match: (MULLconst [73] x)
  5806  	// result: (LEAL8 x (LEAL8 <v.Type> x x))
  5807  	for {
  5808  		if auxIntToInt32(v.AuxInt) != 73 {
  5809  			break
  5810  		}
  5811  		x := v_0
  5812  		v.reset(Op386LEAL8)
  5813  		v0 := b.NewValue0(v.Pos, Op386LEAL8, v.Type)
  5814  		v0.AddArg2(x, x)
  5815  		v.AddArg2(x, v0)
  5816  		return true
  5817  	}
  5818  	// match: (MULLconst [81] x)
  5819  	// result: (LEAL8 (LEAL8 <v.Type> x x) (LEAL8 <v.Type> x x))
  5820  	for {
  5821  		if auxIntToInt32(v.AuxInt) != 81 {
  5822  			break
  5823  		}
  5824  		x := v_0
  5825  		v.reset(Op386LEAL8)
  5826  		v0 := b.NewValue0(v.Pos, Op386LEAL8, v.Type)
  5827  		v0.AddArg2(x, x)
  5828  		v.AddArg2(v0, v0)
  5829  		return true
  5830  	}
  5831  	// match: (MULLconst [c] x)
  5832  	// cond: isPowerOfTwo32(c+1) && c >= 15
  5833  	// result: (SUBL (SHLLconst <v.Type> [int32(log32(c+1))] x) x)
  5834  	for {
  5835  		c := auxIntToInt32(v.AuxInt)
  5836  		x := v_0
  5837  		if !(isPowerOfTwo32(c+1) && c >= 15) {
  5838  			break
  5839  		}
  5840  		v.reset(Op386SUBL)
  5841  		v0 := b.NewValue0(v.Pos, Op386SHLLconst, v.Type)
  5842  		v0.AuxInt = int32ToAuxInt(int32(log32(c + 1)))
  5843  		v0.AddArg(x)
  5844  		v.AddArg2(v0, x)
  5845  		return true
  5846  	}
  5847  	// match: (MULLconst [c] x)
  5848  	// cond: isPowerOfTwo32(c-1) && c >= 17
  5849  	// result: (LEAL1 (SHLLconst <v.Type> [int32(log32(c-1))] x) x)
  5850  	for {
  5851  		c := auxIntToInt32(v.AuxInt)
  5852  		x := v_0
  5853  		if !(isPowerOfTwo32(c-1) && c >= 17) {
  5854  			break
  5855  		}
  5856  		v.reset(Op386LEAL1)
  5857  		v0 := b.NewValue0(v.Pos, Op386SHLLconst, v.Type)
  5858  		v0.AuxInt = int32ToAuxInt(int32(log32(c - 1)))
  5859  		v0.AddArg(x)
  5860  		v.AddArg2(v0, x)
  5861  		return true
  5862  	}
  5863  	// match: (MULLconst [c] x)
  5864  	// cond: isPowerOfTwo32(c-2) && c >= 34
  5865  	// result: (LEAL2 (SHLLconst <v.Type> [int32(log32(c-2))] x) x)
  5866  	for {
  5867  		c := auxIntToInt32(v.AuxInt)
  5868  		x := v_0
  5869  		if !(isPowerOfTwo32(c-2) && c >= 34) {
  5870  			break
  5871  		}
  5872  		v.reset(Op386LEAL2)
  5873  		v0 := b.NewValue0(v.Pos, Op386SHLLconst, v.Type)
  5874  		v0.AuxInt = int32ToAuxInt(int32(log32(c - 2)))
  5875  		v0.AddArg(x)
  5876  		v.AddArg2(v0, x)
  5877  		return true
  5878  	}
  5879  	// match: (MULLconst [c] x)
  5880  	// cond: isPowerOfTwo32(c-4) && c >= 68
  5881  	// result: (LEAL4 (SHLLconst <v.Type> [int32(log32(c-4))] x) x)
  5882  	for {
  5883  		c := auxIntToInt32(v.AuxInt)
  5884  		x := v_0
  5885  		if !(isPowerOfTwo32(c-4) && c >= 68) {
  5886  			break
  5887  		}
  5888  		v.reset(Op386LEAL4)
  5889  		v0 := b.NewValue0(v.Pos, Op386SHLLconst, v.Type)
  5890  		v0.AuxInt = int32ToAuxInt(int32(log32(c - 4)))
  5891  		v0.AddArg(x)
  5892  		v.AddArg2(v0, x)
  5893  		return true
  5894  	}
  5895  	// match: (MULLconst [c] x)
  5896  	// cond: isPowerOfTwo32(c-8) && c >= 136
  5897  	// result: (LEAL8 (SHLLconst <v.Type> [int32(log32(c-8))] x) x)
  5898  	for {
  5899  		c := auxIntToInt32(v.AuxInt)
  5900  		x := v_0
  5901  		if !(isPowerOfTwo32(c-8) && c >= 136) {
  5902  			break
  5903  		}
  5904  		v.reset(Op386LEAL8)
  5905  		v0 := b.NewValue0(v.Pos, Op386SHLLconst, v.Type)
  5906  		v0.AuxInt = int32ToAuxInt(int32(log32(c - 8)))
  5907  		v0.AddArg(x)
  5908  		v.AddArg2(v0, x)
  5909  		return true
  5910  	}
  5911  	// match: (MULLconst [c] x)
  5912  	// cond: c%3 == 0 && isPowerOfTwo32(c/3)
  5913  	// result: (SHLLconst [int32(log32(c/3))] (LEAL2 <v.Type> x x))
  5914  	for {
  5915  		c := auxIntToInt32(v.AuxInt)
  5916  		x := v_0
  5917  		if !(c%3 == 0 && isPowerOfTwo32(c/3)) {
  5918  			break
  5919  		}
  5920  		v.reset(Op386SHLLconst)
  5921  		v.AuxInt = int32ToAuxInt(int32(log32(c / 3)))
  5922  		v0 := b.NewValue0(v.Pos, Op386LEAL2, v.Type)
  5923  		v0.AddArg2(x, x)
  5924  		v.AddArg(v0)
  5925  		return true
  5926  	}
  5927  	// match: (MULLconst [c] x)
  5928  	// cond: c%5 == 0 && isPowerOfTwo32(c/5)
  5929  	// result: (SHLLconst [int32(log32(c/5))] (LEAL4 <v.Type> x x))
  5930  	for {
  5931  		c := auxIntToInt32(v.AuxInt)
  5932  		x := v_0
  5933  		if !(c%5 == 0 && isPowerOfTwo32(c/5)) {
  5934  			break
  5935  		}
  5936  		v.reset(Op386SHLLconst)
  5937  		v.AuxInt = int32ToAuxInt(int32(log32(c / 5)))
  5938  		v0 := b.NewValue0(v.Pos, Op386LEAL4, v.Type)
  5939  		v0.AddArg2(x, x)
  5940  		v.AddArg(v0)
  5941  		return true
  5942  	}
  5943  	// match: (MULLconst [c] x)
  5944  	// cond: c%9 == 0 && isPowerOfTwo32(c/9)
  5945  	// result: (SHLLconst [int32(log32(c/9))] (LEAL8 <v.Type> x x))
  5946  	for {
  5947  		c := auxIntToInt32(v.AuxInt)
  5948  		x := v_0
  5949  		if !(c%9 == 0 && isPowerOfTwo32(c/9)) {
  5950  			break
  5951  		}
  5952  		v.reset(Op386SHLLconst)
  5953  		v.AuxInt = int32ToAuxInt(int32(log32(c / 9)))
  5954  		v0 := b.NewValue0(v.Pos, Op386LEAL8, v.Type)
  5955  		v0.AddArg2(x, x)
  5956  		v.AddArg(v0)
  5957  		return true
  5958  	}
  5959  	// match: (MULLconst [c] (MOVLconst [d]))
  5960  	// result: (MOVLconst [c*d])
  5961  	for {
  5962  		c := auxIntToInt32(v.AuxInt)
  5963  		if v_0.Op != Op386MOVLconst {
  5964  			break
  5965  		}
  5966  		d := auxIntToInt32(v_0.AuxInt)
  5967  		v.reset(Op386MOVLconst)
  5968  		v.AuxInt = int32ToAuxInt(c * d)
  5969  		return true
  5970  	}
  5971  	return false
  5972  }
  5973  func rewriteValue386_Op386MULLload(v *Value) bool {
  5974  	v_2 := v.Args[2]
  5975  	v_1 := v.Args[1]
  5976  	v_0 := v.Args[0]
  5977  	b := v.Block
  5978  	config := b.Func.Config
  5979  	// match: (MULLload [off1] {sym} val (ADDLconst [off2] base) mem)
  5980  	// cond: is32Bit(int64(off1)+int64(off2))
  5981  	// result: (MULLload [off1+off2] {sym} val base mem)
  5982  	for {
  5983  		off1 := auxIntToInt32(v.AuxInt)
  5984  		sym := auxToSym(v.Aux)
  5985  		val := v_0
  5986  		if v_1.Op != Op386ADDLconst {
  5987  			break
  5988  		}
  5989  		off2 := auxIntToInt32(v_1.AuxInt)
  5990  		base := v_1.Args[0]
  5991  		mem := v_2
  5992  		if !(is32Bit(int64(off1) + int64(off2))) {
  5993  			break
  5994  		}
  5995  		v.reset(Op386MULLload)
  5996  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5997  		v.Aux = symToAux(sym)
  5998  		v.AddArg3(val, base, mem)
  5999  		return true
  6000  	}
  6001  	// match: (MULLload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  6002  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  6003  	// result: (MULLload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  6004  	for {
  6005  		off1 := auxIntToInt32(v.AuxInt)
  6006  		sym1 := auxToSym(v.Aux)
  6007  		val := v_0
  6008  		if v_1.Op != Op386LEAL {
  6009  			break
  6010  		}
  6011  		off2 := auxIntToInt32(v_1.AuxInt)
  6012  		sym2 := auxToSym(v_1.Aux)
  6013  		base := v_1.Args[0]
  6014  		mem := v_2
  6015  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  6016  			break
  6017  		}
  6018  		v.reset(Op386MULLload)
  6019  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6020  		v.Aux = symToAux(mergeSym(sym1, sym2))
  6021  		v.AddArg3(val, base, mem)
  6022  		return true
  6023  	}
  6024  	return false
  6025  }
  6026  func rewriteValue386_Op386MULSD(v *Value) bool {
  6027  	v_1 := v.Args[1]
  6028  	v_0 := v.Args[0]
  6029  	// match: (MULSD x l:(MOVSDload [off] {sym} ptr mem))
  6030  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  6031  	// result: (MULSDload x [off] {sym} ptr mem)
  6032  	for {
  6033  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  6034  			x := v_0
  6035  			l := v_1
  6036  			if l.Op != Op386MOVSDload {
  6037  				continue
  6038  			}
  6039  			off := auxIntToInt32(l.AuxInt)
  6040  			sym := auxToSym(l.Aux)
  6041  			mem := l.Args[1]
  6042  			ptr := l.Args[0]
  6043  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  6044  				continue
  6045  			}
  6046  			v.reset(Op386MULSDload)
  6047  			v.AuxInt = int32ToAuxInt(off)
  6048  			v.Aux = symToAux(sym)
  6049  			v.AddArg3(x, ptr, mem)
  6050  			return true
  6051  		}
  6052  		break
  6053  	}
  6054  	return false
  6055  }
  6056  func rewriteValue386_Op386MULSDload(v *Value) bool {
  6057  	v_2 := v.Args[2]
  6058  	v_1 := v.Args[1]
  6059  	v_0 := v.Args[0]
  6060  	b := v.Block
  6061  	config := b.Func.Config
  6062  	// match: (MULSDload [off1] {sym} val (ADDLconst [off2] base) mem)
  6063  	// cond: is32Bit(int64(off1)+int64(off2))
  6064  	// result: (MULSDload [off1+off2] {sym} val base mem)
  6065  	for {
  6066  		off1 := auxIntToInt32(v.AuxInt)
  6067  		sym := auxToSym(v.Aux)
  6068  		val := v_0
  6069  		if v_1.Op != Op386ADDLconst {
  6070  			break
  6071  		}
  6072  		off2 := auxIntToInt32(v_1.AuxInt)
  6073  		base := v_1.Args[0]
  6074  		mem := v_2
  6075  		if !(is32Bit(int64(off1) + int64(off2))) {
  6076  			break
  6077  		}
  6078  		v.reset(Op386MULSDload)
  6079  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6080  		v.Aux = symToAux(sym)
  6081  		v.AddArg3(val, base, mem)
  6082  		return true
  6083  	}
  6084  	// match: (MULSDload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  6085  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  6086  	// result: (MULSDload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  6087  	for {
  6088  		off1 := auxIntToInt32(v.AuxInt)
  6089  		sym1 := auxToSym(v.Aux)
  6090  		val := v_0
  6091  		if v_1.Op != Op386LEAL {
  6092  			break
  6093  		}
  6094  		off2 := auxIntToInt32(v_1.AuxInt)
  6095  		sym2 := auxToSym(v_1.Aux)
  6096  		base := v_1.Args[0]
  6097  		mem := v_2
  6098  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  6099  			break
  6100  		}
  6101  		v.reset(Op386MULSDload)
  6102  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6103  		v.Aux = symToAux(mergeSym(sym1, sym2))
  6104  		v.AddArg3(val, base, mem)
  6105  		return true
  6106  	}
  6107  	return false
  6108  }
  6109  func rewriteValue386_Op386MULSS(v *Value) bool {
  6110  	v_1 := v.Args[1]
  6111  	v_0 := v.Args[0]
  6112  	// match: (MULSS x l:(MOVSSload [off] {sym} ptr mem))
  6113  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  6114  	// result: (MULSSload x [off] {sym} ptr mem)
  6115  	for {
  6116  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  6117  			x := v_0
  6118  			l := v_1
  6119  			if l.Op != Op386MOVSSload {
  6120  				continue
  6121  			}
  6122  			off := auxIntToInt32(l.AuxInt)
  6123  			sym := auxToSym(l.Aux)
  6124  			mem := l.Args[1]
  6125  			ptr := l.Args[0]
  6126  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  6127  				continue
  6128  			}
  6129  			v.reset(Op386MULSSload)
  6130  			v.AuxInt = int32ToAuxInt(off)
  6131  			v.Aux = symToAux(sym)
  6132  			v.AddArg3(x, ptr, mem)
  6133  			return true
  6134  		}
  6135  		break
  6136  	}
  6137  	return false
  6138  }
  6139  func rewriteValue386_Op386MULSSload(v *Value) bool {
  6140  	v_2 := v.Args[2]
  6141  	v_1 := v.Args[1]
  6142  	v_0 := v.Args[0]
  6143  	b := v.Block
  6144  	config := b.Func.Config
  6145  	// match: (MULSSload [off1] {sym} val (ADDLconst [off2] base) mem)
  6146  	// cond: is32Bit(int64(off1)+int64(off2))
  6147  	// result: (MULSSload [off1+off2] {sym} val base mem)
  6148  	for {
  6149  		off1 := auxIntToInt32(v.AuxInt)
  6150  		sym := auxToSym(v.Aux)
  6151  		val := v_0
  6152  		if v_1.Op != Op386ADDLconst {
  6153  			break
  6154  		}
  6155  		off2 := auxIntToInt32(v_1.AuxInt)
  6156  		base := v_1.Args[0]
  6157  		mem := v_2
  6158  		if !(is32Bit(int64(off1) + int64(off2))) {
  6159  			break
  6160  		}
  6161  		v.reset(Op386MULSSload)
  6162  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6163  		v.Aux = symToAux(sym)
  6164  		v.AddArg3(val, base, mem)
  6165  		return true
  6166  	}
  6167  	// match: (MULSSload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  6168  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  6169  	// result: (MULSSload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  6170  	for {
  6171  		off1 := auxIntToInt32(v.AuxInt)
  6172  		sym1 := auxToSym(v.Aux)
  6173  		val := v_0
  6174  		if v_1.Op != Op386LEAL {
  6175  			break
  6176  		}
  6177  		off2 := auxIntToInt32(v_1.AuxInt)
  6178  		sym2 := auxToSym(v_1.Aux)
  6179  		base := v_1.Args[0]
  6180  		mem := v_2
  6181  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  6182  			break
  6183  		}
  6184  		v.reset(Op386MULSSload)
  6185  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6186  		v.Aux = symToAux(mergeSym(sym1, sym2))
  6187  		v.AddArg3(val, base, mem)
  6188  		return true
  6189  	}
  6190  	return false
  6191  }
  6192  func rewriteValue386_Op386NEGL(v *Value) bool {
  6193  	v_0 := v.Args[0]
  6194  	// match: (NEGL (MOVLconst [c]))
  6195  	// result: (MOVLconst [-c])
  6196  	for {
  6197  		if v_0.Op != Op386MOVLconst {
  6198  			break
  6199  		}
  6200  		c := auxIntToInt32(v_0.AuxInt)
  6201  		v.reset(Op386MOVLconst)
  6202  		v.AuxInt = int32ToAuxInt(-c)
  6203  		return true
  6204  	}
  6205  	return false
  6206  }
  6207  func rewriteValue386_Op386NOTL(v *Value) bool {
  6208  	v_0 := v.Args[0]
  6209  	// match: (NOTL (MOVLconst [c]))
  6210  	// result: (MOVLconst [^c])
  6211  	for {
  6212  		if v_0.Op != Op386MOVLconst {
  6213  			break
  6214  		}
  6215  		c := auxIntToInt32(v_0.AuxInt)
  6216  		v.reset(Op386MOVLconst)
  6217  		v.AuxInt = int32ToAuxInt(^c)
  6218  		return true
  6219  	}
  6220  	return false
  6221  }
  6222  func rewriteValue386_Op386ORL(v *Value) bool {
  6223  	v_1 := v.Args[1]
  6224  	v_0 := v.Args[0]
  6225  	b := v.Block
  6226  	typ := &b.Func.Config.Types
  6227  	// match: (ORL x (MOVLconst [c]))
  6228  	// result: (ORLconst [c] x)
  6229  	for {
  6230  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  6231  			x := v_0
  6232  			if v_1.Op != Op386MOVLconst {
  6233  				continue
  6234  			}
  6235  			c := auxIntToInt32(v_1.AuxInt)
  6236  			v.reset(Op386ORLconst)
  6237  			v.AuxInt = int32ToAuxInt(c)
  6238  			v.AddArg(x)
  6239  			return true
  6240  		}
  6241  		break
  6242  	}
  6243  	// match: (ORL x l:(MOVLload [off] {sym} ptr mem))
  6244  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  6245  	// result: (ORLload x [off] {sym} ptr mem)
  6246  	for {
  6247  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  6248  			x := v_0
  6249  			l := v_1
  6250  			if l.Op != Op386MOVLload {
  6251  				continue
  6252  			}
  6253  			off := auxIntToInt32(l.AuxInt)
  6254  			sym := auxToSym(l.Aux)
  6255  			mem := l.Args[1]
  6256  			ptr := l.Args[0]
  6257  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  6258  				continue
  6259  			}
  6260  			v.reset(Op386ORLload)
  6261  			v.AuxInt = int32ToAuxInt(off)
  6262  			v.Aux = symToAux(sym)
  6263  			v.AddArg3(x, ptr, mem)
  6264  			return true
  6265  		}
  6266  		break
  6267  	}
  6268  	// match: (ORL x x)
  6269  	// result: x
  6270  	for {
  6271  		x := v_0
  6272  		if x != v_1 {
  6273  			break
  6274  		}
  6275  		v.copyOf(x)
  6276  		return true
  6277  	}
  6278  	// match: (ORL x0:(MOVBload [i0] {s} p mem) s0:(SHLLconst [8] x1:(MOVBload [i1] {s} p mem)))
  6279  	// cond: i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0, x1, s0)
  6280  	// result: @mergePoint(b,x0,x1) (MOVWload [i0] {s} p mem)
  6281  	for {
  6282  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  6283  			x0 := v_0
  6284  			if x0.Op != Op386MOVBload {
  6285  				continue
  6286  			}
  6287  			i0 := auxIntToInt32(x0.AuxInt)
  6288  			s := auxToSym(x0.Aux)
  6289  			mem := x0.Args[1]
  6290  			p := x0.Args[0]
  6291  			s0 := v_1
  6292  			if s0.Op != Op386SHLLconst || auxIntToInt32(s0.AuxInt) != 8 {
  6293  				continue
  6294  			}
  6295  			x1 := s0.Args[0]
  6296  			if x1.Op != Op386MOVBload {
  6297  				continue
  6298  			}
  6299  			i1 := auxIntToInt32(x1.AuxInt)
  6300  			if auxToSym(x1.Aux) != s {
  6301  				continue
  6302  			}
  6303  			_ = x1.Args[1]
  6304  			if p != x1.Args[0] || mem != x1.Args[1] || !(i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0, x1, s0)) {
  6305  				continue
  6306  			}
  6307  			b = mergePoint(b, x0, x1)
  6308  			v0 := b.NewValue0(x1.Pos, Op386MOVWload, typ.UInt16)
  6309  			v.copyOf(v0)
  6310  			v0.AuxInt = int32ToAuxInt(i0)
  6311  			v0.Aux = symToAux(s)
  6312  			v0.AddArg2(p, mem)
  6313  			return true
  6314  		}
  6315  		break
  6316  	}
  6317  	// match: (ORL x0:(MOVBload [i] {s} p0 mem) s0:(SHLLconst [8] x1:(MOVBload [i] {s} p1 mem)))
  6318  	// cond: x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && sequentialAddresses(p0, p1, 1) && mergePoint(b,x0,x1) != nil && clobber(x0, x1, s0)
  6319  	// result: @mergePoint(b,x0,x1) (MOVWload [i] {s} p0 mem)
  6320  	for {
  6321  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  6322  			x0 := v_0
  6323  			if x0.Op != Op386MOVBload {
  6324  				continue
  6325  			}
  6326  			i := auxIntToInt32(x0.AuxInt)
  6327  			s := auxToSym(x0.Aux)
  6328  			mem := x0.Args[1]
  6329  			p0 := x0.Args[0]
  6330  			s0 := v_1
  6331  			if s0.Op != Op386SHLLconst || auxIntToInt32(s0.AuxInt) != 8 {
  6332  				continue
  6333  			}
  6334  			x1 := s0.Args[0]
  6335  			if x1.Op != Op386MOVBload || auxIntToInt32(x1.AuxInt) != i || auxToSym(x1.Aux) != s {
  6336  				continue
  6337  			}
  6338  			_ = x1.Args[1]
  6339  			p1 := x1.Args[0]
  6340  			if mem != x1.Args[1] || !(x0.Uses == 1 && x1.Uses == 1 && s0.Uses == 1 && sequentialAddresses(p0, p1, 1) && mergePoint(b, x0, x1) != nil && clobber(x0, x1, s0)) {
  6341  				continue
  6342  			}
  6343  			b = mergePoint(b, x0, x1)
  6344  			v0 := b.NewValue0(x1.Pos, Op386MOVWload, typ.UInt16)
  6345  			v.copyOf(v0)
  6346  			v0.AuxInt = int32ToAuxInt(i)
  6347  			v0.Aux = symToAux(s)
  6348  			v0.AddArg2(p0, mem)
  6349  			return true
  6350  		}
  6351  		break
  6352  	}
  6353  	// match: (ORL o0:(ORL x0:(MOVWload [i0] {s} p mem) s0:(SHLLconst [16] x1:(MOVBload [i2] {s} p mem))) s1:(SHLLconst [24] x2:(MOVBload [i3] {s} p mem)))
  6354  	// cond: i2 == i0+2 && i3 == i0+3 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && o0.Uses == 1 && mergePoint(b,x0,x1,x2) != nil && clobber(x0, x1, x2, s0, s1, o0)
  6355  	// result: @mergePoint(b,x0,x1,x2) (MOVLload [i0] {s} p mem)
  6356  	for {
  6357  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  6358  			o0 := v_0
  6359  			if o0.Op != Op386ORL {
  6360  				continue
  6361  			}
  6362  			_ = o0.Args[1]
  6363  			o0_0 := o0.Args[0]
  6364  			o0_1 := o0.Args[1]
  6365  			for _i1 := 0; _i1 <= 1; _i1, o0_0, o0_1 = _i1+1, o0_1, o0_0 {
  6366  				x0 := o0_0
  6367  				if x0.Op != Op386MOVWload {
  6368  					continue
  6369  				}
  6370  				i0 := auxIntToInt32(x0.AuxInt)
  6371  				s := auxToSym(x0.Aux)
  6372  				mem := x0.Args[1]
  6373  				p := x0.Args[0]
  6374  				s0 := o0_1
  6375  				if s0.Op != Op386SHLLconst || auxIntToInt32(s0.AuxInt) != 16 {
  6376  					continue
  6377  				}
  6378  				x1 := s0.Args[0]
  6379  				if x1.Op != Op386MOVBload {
  6380  					continue
  6381  				}
  6382  				i2 := auxIntToInt32(x1.AuxInt)
  6383  				if auxToSym(x1.Aux) != s {
  6384  					continue
  6385  				}
  6386  				_ = x1.Args[1]
  6387  				if p != x1.Args[0] || mem != x1.Args[1] {
  6388  					continue
  6389  				}
  6390  				s1 := v_1
  6391  				if s1.Op != Op386SHLLconst || auxIntToInt32(s1.AuxInt) != 24 {
  6392  					continue
  6393  				}
  6394  				x2 := s1.Args[0]
  6395  				if x2.Op != Op386MOVBload {
  6396  					continue
  6397  				}
  6398  				i3 := auxIntToInt32(x2.AuxInt)
  6399  				if auxToSym(x2.Aux) != s {
  6400  					continue
  6401  				}
  6402  				_ = x2.Args[1]
  6403  				if p != x2.Args[0] || mem != x2.Args[1] || !(i2 == i0+2 && i3 == i0+3 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && o0.Uses == 1 && mergePoint(b, x0, x1, x2) != nil && clobber(x0, x1, x2, s0, s1, o0)) {
  6404  					continue
  6405  				}
  6406  				b = mergePoint(b, x0, x1, x2)
  6407  				v0 := b.NewValue0(x2.Pos, Op386MOVLload, typ.UInt32)
  6408  				v.copyOf(v0)
  6409  				v0.AuxInt = int32ToAuxInt(i0)
  6410  				v0.Aux = symToAux(s)
  6411  				v0.AddArg2(p, mem)
  6412  				return true
  6413  			}
  6414  		}
  6415  		break
  6416  	}
  6417  	// match: (ORL o0:(ORL x0:(MOVWload [i] {s} p0 mem) s0:(SHLLconst [16] x1:(MOVBload [i] {s} p1 mem))) s1:(SHLLconst [24] x2:(MOVBload [i] {s} p2 mem)))
  6418  	// cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && o0.Uses == 1 && sequentialAddresses(p0, p1, 2) && sequentialAddresses(p1, p2, 1) && mergePoint(b,x0,x1,x2) != nil && clobber(x0, x1, x2, s0, s1, o0)
  6419  	// result: @mergePoint(b,x0,x1,x2) (MOVLload [i] {s} p0 mem)
  6420  	for {
  6421  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  6422  			o0 := v_0
  6423  			if o0.Op != Op386ORL {
  6424  				continue
  6425  			}
  6426  			_ = o0.Args[1]
  6427  			o0_0 := o0.Args[0]
  6428  			o0_1 := o0.Args[1]
  6429  			for _i1 := 0; _i1 <= 1; _i1, o0_0, o0_1 = _i1+1, o0_1, o0_0 {
  6430  				x0 := o0_0
  6431  				if x0.Op != Op386MOVWload {
  6432  					continue
  6433  				}
  6434  				i := auxIntToInt32(x0.AuxInt)
  6435  				s := auxToSym(x0.Aux)
  6436  				mem := x0.Args[1]
  6437  				p0 := x0.Args[0]
  6438  				s0 := o0_1
  6439  				if s0.Op != Op386SHLLconst || auxIntToInt32(s0.AuxInt) != 16 {
  6440  					continue
  6441  				}
  6442  				x1 := s0.Args[0]
  6443  				if x1.Op != Op386MOVBload || auxIntToInt32(x1.AuxInt) != i || auxToSym(x1.Aux) != s {
  6444  					continue
  6445  				}
  6446  				_ = x1.Args[1]
  6447  				p1 := x1.Args[0]
  6448  				if mem != x1.Args[1] {
  6449  					continue
  6450  				}
  6451  				s1 := v_1
  6452  				if s1.Op != Op386SHLLconst || auxIntToInt32(s1.AuxInt) != 24 {
  6453  					continue
  6454  				}
  6455  				x2 := s1.Args[0]
  6456  				if x2.Op != Op386MOVBload || auxIntToInt32(x2.AuxInt) != i || auxToSym(x2.Aux) != s {
  6457  					continue
  6458  				}
  6459  				_ = x2.Args[1]
  6460  				p2 := x2.Args[0]
  6461  				if mem != x2.Args[1] || !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && s0.Uses == 1 && s1.Uses == 1 && o0.Uses == 1 && sequentialAddresses(p0, p1, 2) && sequentialAddresses(p1, p2, 1) && mergePoint(b, x0, x1, x2) != nil && clobber(x0, x1, x2, s0, s1, o0)) {
  6462  					continue
  6463  				}
  6464  				b = mergePoint(b, x0, x1, x2)
  6465  				v0 := b.NewValue0(x2.Pos, Op386MOVLload, typ.UInt32)
  6466  				v.copyOf(v0)
  6467  				v0.AuxInt = int32ToAuxInt(i)
  6468  				v0.Aux = symToAux(s)
  6469  				v0.AddArg2(p0, mem)
  6470  				return true
  6471  			}
  6472  		}
  6473  		break
  6474  	}
  6475  	return false
  6476  }
  6477  func rewriteValue386_Op386ORLconst(v *Value) bool {
  6478  	v_0 := v.Args[0]
  6479  	// match: (ORLconst [c] x)
  6480  	// cond: c==0
  6481  	// result: x
  6482  	for {
  6483  		c := auxIntToInt32(v.AuxInt)
  6484  		x := v_0
  6485  		if !(c == 0) {
  6486  			break
  6487  		}
  6488  		v.copyOf(x)
  6489  		return true
  6490  	}
  6491  	// match: (ORLconst [c] _)
  6492  	// cond: c==-1
  6493  	// result: (MOVLconst [-1])
  6494  	for {
  6495  		c := auxIntToInt32(v.AuxInt)
  6496  		if !(c == -1) {
  6497  			break
  6498  		}
  6499  		v.reset(Op386MOVLconst)
  6500  		v.AuxInt = int32ToAuxInt(-1)
  6501  		return true
  6502  	}
  6503  	// match: (ORLconst [c] (MOVLconst [d]))
  6504  	// result: (MOVLconst [c|d])
  6505  	for {
  6506  		c := auxIntToInt32(v.AuxInt)
  6507  		if v_0.Op != Op386MOVLconst {
  6508  			break
  6509  		}
  6510  		d := auxIntToInt32(v_0.AuxInt)
  6511  		v.reset(Op386MOVLconst)
  6512  		v.AuxInt = int32ToAuxInt(c | d)
  6513  		return true
  6514  	}
  6515  	return false
  6516  }
  6517  func rewriteValue386_Op386ORLconstmodify(v *Value) bool {
  6518  	v_1 := v.Args[1]
  6519  	v_0 := v.Args[0]
  6520  	b := v.Block
  6521  	config := b.Func.Config
  6522  	// match: (ORLconstmodify [valoff1] {sym} (ADDLconst [off2] base) mem)
  6523  	// cond: valoff1.canAdd32(off2)
  6524  	// result: (ORLconstmodify [valoff1.addOffset32(off2)] {sym} base mem)
  6525  	for {
  6526  		valoff1 := auxIntToValAndOff(v.AuxInt)
  6527  		sym := auxToSym(v.Aux)
  6528  		if v_0.Op != Op386ADDLconst {
  6529  			break
  6530  		}
  6531  		off2 := auxIntToInt32(v_0.AuxInt)
  6532  		base := v_0.Args[0]
  6533  		mem := v_1
  6534  		if !(valoff1.canAdd32(off2)) {
  6535  			break
  6536  		}
  6537  		v.reset(Op386ORLconstmodify)
  6538  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  6539  		v.Aux = symToAux(sym)
  6540  		v.AddArg2(base, mem)
  6541  		return true
  6542  	}
  6543  	// match: (ORLconstmodify [valoff1] {sym1} (LEAL [off2] {sym2} base) mem)
  6544  	// cond: valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  6545  	// result: (ORLconstmodify [valoff1.addOffset32(off2)] {mergeSym(sym1,sym2)} base mem)
  6546  	for {
  6547  		valoff1 := auxIntToValAndOff(v.AuxInt)
  6548  		sym1 := auxToSym(v.Aux)
  6549  		if v_0.Op != Op386LEAL {
  6550  			break
  6551  		}
  6552  		off2 := auxIntToInt32(v_0.AuxInt)
  6553  		sym2 := auxToSym(v_0.Aux)
  6554  		base := v_0.Args[0]
  6555  		mem := v_1
  6556  		if !(valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  6557  			break
  6558  		}
  6559  		v.reset(Op386ORLconstmodify)
  6560  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  6561  		v.Aux = symToAux(mergeSym(sym1, sym2))
  6562  		v.AddArg2(base, mem)
  6563  		return true
  6564  	}
  6565  	return false
  6566  }
  6567  func rewriteValue386_Op386ORLload(v *Value) bool {
  6568  	v_2 := v.Args[2]
  6569  	v_1 := v.Args[1]
  6570  	v_0 := v.Args[0]
  6571  	b := v.Block
  6572  	config := b.Func.Config
  6573  	// match: (ORLload [off1] {sym} val (ADDLconst [off2] base) mem)
  6574  	// cond: is32Bit(int64(off1)+int64(off2))
  6575  	// result: (ORLload [off1+off2] {sym} val base mem)
  6576  	for {
  6577  		off1 := auxIntToInt32(v.AuxInt)
  6578  		sym := auxToSym(v.Aux)
  6579  		val := v_0
  6580  		if v_1.Op != Op386ADDLconst {
  6581  			break
  6582  		}
  6583  		off2 := auxIntToInt32(v_1.AuxInt)
  6584  		base := v_1.Args[0]
  6585  		mem := v_2
  6586  		if !(is32Bit(int64(off1) + int64(off2))) {
  6587  			break
  6588  		}
  6589  		v.reset(Op386ORLload)
  6590  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6591  		v.Aux = symToAux(sym)
  6592  		v.AddArg3(val, base, mem)
  6593  		return true
  6594  	}
  6595  	// match: (ORLload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  6596  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  6597  	// result: (ORLload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  6598  	for {
  6599  		off1 := auxIntToInt32(v.AuxInt)
  6600  		sym1 := auxToSym(v.Aux)
  6601  		val := v_0
  6602  		if v_1.Op != Op386LEAL {
  6603  			break
  6604  		}
  6605  		off2 := auxIntToInt32(v_1.AuxInt)
  6606  		sym2 := auxToSym(v_1.Aux)
  6607  		base := v_1.Args[0]
  6608  		mem := v_2
  6609  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  6610  			break
  6611  		}
  6612  		v.reset(Op386ORLload)
  6613  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6614  		v.Aux = symToAux(mergeSym(sym1, sym2))
  6615  		v.AddArg3(val, base, mem)
  6616  		return true
  6617  	}
  6618  	return false
  6619  }
  6620  func rewriteValue386_Op386ORLmodify(v *Value) bool {
  6621  	v_2 := v.Args[2]
  6622  	v_1 := v.Args[1]
  6623  	v_0 := v.Args[0]
  6624  	b := v.Block
  6625  	config := b.Func.Config
  6626  	// match: (ORLmodify [off1] {sym} (ADDLconst [off2] base) val mem)
  6627  	// cond: is32Bit(int64(off1)+int64(off2))
  6628  	// result: (ORLmodify [off1+off2] {sym} base val mem)
  6629  	for {
  6630  		off1 := auxIntToInt32(v.AuxInt)
  6631  		sym := auxToSym(v.Aux)
  6632  		if v_0.Op != Op386ADDLconst {
  6633  			break
  6634  		}
  6635  		off2 := auxIntToInt32(v_0.AuxInt)
  6636  		base := v_0.Args[0]
  6637  		val := v_1
  6638  		mem := v_2
  6639  		if !(is32Bit(int64(off1) + int64(off2))) {
  6640  			break
  6641  		}
  6642  		v.reset(Op386ORLmodify)
  6643  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6644  		v.Aux = symToAux(sym)
  6645  		v.AddArg3(base, val, mem)
  6646  		return true
  6647  	}
  6648  	// match: (ORLmodify [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  6649  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  6650  	// result: (ORLmodify [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  6651  	for {
  6652  		off1 := auxIntToInt32(v.AuxInt)
  6653  		sym1 := auxToSym(v.Aux)
  6654  		if v_0.Op != Op386LEAL {
  6655  			break
  6656  		}
  6657  		off2 := auxIntToInt32(v_0.AuxInt)
  6658  		sym2 := auxToSym(v_0.Aux)
  6659  		base := v_0.Args[0]
  6660  		val := v_1
  6661  		mem := v_2
  6662  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  6663  			break
  6664  		}
  6665  		v.reset(Op386ORLmodify)
  6666  		v.AuxInt = int32ToAuxInt(off1 + off2)
  6667  		v.Aux = symToAux(mergeSym(sym1, sym2))
  6668  		v.AddArg3(base, val, mem)
  6669  		return true
  6670  	}
  6671  	return false
  6672  }
  6673  func rewriteValue386_Op386ROLB(v *Value) bool {
  6674  	v_1 := v.Args[1]
  6675  	v_0 := v.Args[0]
  6676  	// match: (ROLB x (MOVLconst [c]))
  6677  	// result: (ROLBconst [int8(c&7)] x)
  6678  	for {
  6679  		x := v_0
  6680  		if v_1.Op != Op386MOVLconst {
  6681  			break
  6682  		}
  6683  		c := auxIntToInt32(v_1.AuxInt)
  6684  		v.reset(Op386ROLBconst)
  6685  		v.AuxInt = int8ToAuxInt(int8(c & 7))
  6686  		v.AddArg(x)
  6687  		return true
  6688  	}
  6689  	return false
  6690  }
  6691  func rewriteValue386_Op386ROLBconst(v *Value) bool {
  6692  	v_0 := v.Args[0]
  6693  	// match: (ROLBconst [0] x)
  6694  	// result: x
  6695  	for {
  6696  		if auxIntToInt8(v.AuxInt) != 0 {
  6697  			break
  6698  		}
  6699  		x := v_0
  6700  		v.copyOf(x)
  6701  		return true
  6702  	}
  6703  	return false
  6704  }
  6705  func rewriteValue386_Op386ROLL(v *Value) bool {
  6706  	v_1 := v.Args[1]
  6707  	v_0 := v.Args[0]
  6708  	// match: (ROLL x (MOVLconst [c]))
  6709  	// result: (ROLLconst [c&31] x)
  6710  	for {
  6711  		x := v_0
  6712  		if v_1.Op != Op386MOVLconst {
  6713  			break
  6714  		}
  6715  		c := auxIntToInt32(v_1.AuxInt)
  6716  		v.reset(Op386ROLLconst)
  6717  		v.AuxInt = int32ToAuxInt(c & 31)
  6718  		v.AddArg(x)
  6719  		return true
  6720  	}
  6721  	return false
  6722  }
  6723  func rewriteValue386_Op386ROLLconst(v *Value) bool {
  6724  	v_0 := v.Args[0]
  6725  	// match: (ROLLconst [0] x)
  6726  	// result: x
  6727  	for {
  6728  		if auxIntToInt32(v.AuxInt) != 0 {
  6729  			break
  6730  		}
  6731  		x := v_0
  6732  		v.copyOf(x)
  6733  		return true
  6734  	}
  6735  	return false
  6736  }
  6737  func rewriteValue386_Op386ROLW(v *Value) bool {
  6738  	v_1 := v.Args[1]
  6739  	v_0 := v.Args[0]
  6740  	// match: (ROLW x (MOVLconst [c]))
  6741  	// result: (ROLWconst [int16(c&15)] x)
  6742  	for {
  6743  		x := v_0
  6744  		if v_1.Op != Op386MOVLconst {
  6745  			break
  6746  		}
  6747  		c := auxIntToInt32(v_1.AuxInt)
  6748  		v.reset(Op386ROLWconst)
  6749  		v.AuxInt = int16ToAuxInt(int16(c & 15))
  6750  		v.AddArg(x)
  6751  		return true
  6752  	}
  6753  	return false
  6754  }
  6755  func rewriteValue386_Op386ROLWconst(v *Value) bool {
  6756  	v_0 := v.Args[0]
  6757  	// match: (ROLWconst [0] x)
  6758  	// result: x
  6759  	for {
  6760  		if auxIntToInt16(v.AuxInt) != 0 {
  6761  			break
  6762  		}
  6763  		x := v_0
  6764  		v.copyOf(x)
  6765  		return true
  6766  	}
  6767  	return false
  6768  }
  6769  func rewriteValue386_Op386SARB(v *Value) bool {
  6770  	v_1 := v.Args[1]
  6771  	v_0 := v.Args[0]
  6772  	// match: (SARB x (MOVLconst [c]))
  6773  	// result: (SARBconst [int8(min(int64(c&31),7))] x)
  6774  	for {
  6775  		x := v_0
  6776  		if v_1.Op != Op386MOVLconst {
  6777  			break
  6778  		}
  6779  		c := auxIntToInt32(v_1.AuxInt)
  6780  		v.reset(Op386SARBconst)
  6781  		v.AuxInt = int8ToAuxInt(int8(min(int64(c&31), 7)))
  6782  		v.AddArg(x)
  6783  		return true
  6784  	}
  6785  	return false
  6786  }
  6787  func rewriteValue386_Op386SARBconst(v *Value) bool {
  6788  	v_0 := v.Args[0]
  6789  	// match: (SARBconst x [0])
  6790  	// result: x
  6791  	for {
  6792  		if auxIntToInt8(v.AuxInt) != 0 {
  6793  			break
  6794  		}
  6795  		x := v_0
  6796  		v.copyOf(x)
  6797  		return true
  6798  	}
  6799  	// match: (SARBconst [c] (MOVLconst [d]))
  6800  	// result: (MOVLconst [d>>uint64(c)])
  6801  	for {
  6802  		c := auxIntToInt8(v.AuxInt)
  6803  		if v_0.Op != Op386MOVLconst {
  6804  			break
  6805  		}
  6806  		d := auxIntToInt32(v_0.AuxInt)
  6807  		v.reset(Op386MOVLconst)
  6808  		v.AuxInt = int32ToAuxInt(d >> uint64(c))
  6809  		return true
  6810  	}
  6811  	return false
  6812  }
  6813  func rewriteValue386_Op386SARL(v *Value) bool {
  6814  	v_1 := v.Args[1]
  6815  	v_0 := v.Args[0]
  6816  	// match: (SARL x (MOVLconst [c]))
  6817  	// result: (SARLconst [c&31] x)
  6818  	for {
  6819  		x := v_0
  6820  		if v_1.Op != Op386MOVLconst {
  6821  			break
  6822  		}
  6823  		c := auxIntToInt32(v_1.AuxInt)
  6824  		v.reset(Op386SARLconst)
  6825  		v.AuxInt = int32ToAuxInt(c & 31)
  6826  		v.AddArg(x)
  6827  		return true
  6828  	}
  6829  	// match: (SARL x (ANDLconst [31] y))
  6830  	// result: (SARL x y)
  6831  	for {
  6832  		x := v_0
  6833  		if v_1.Op != Op386ANDLconst || auxIntToInt32(v_1.AuxInt) != 31 {
  6834  			break
  6835  		}
  6836  		y := v_1.Args[0]
  6837  		v.reset(Op386SARL)
  6838  		v.AddArg2(x, y)
  6839  		return true
  6840  	}
  6841  	return false
  6842  }
  6843  func rewriteValue386_Op386SARLconst(v *Value) bool {
  6844  	v_0 := v.Args[0]
  6845  	// match: (SARLconst x [0])
  6846  	// result: x
  6847  	for {
  6848  		if auxIntToInt32(v.AuxInt) != 0 {
  6849  			break
  6850  		}
  6851  		x := v_0
  6852  		v.copyOf(x)
  6853  		return true
  6854  	}
  6855  	// match: (SARLconst [c] (MOVLconst [d]))
  6856  	// result: (MOVLconst [d>>uint64(c)])
  6857  	for {
  6858  		c := auxIntToInt32(v.AuxInt)
  6859  		if v_0.Op != Op386MOVLconst {
  6860  			break
  6861  		}
  6862  		d := auxIntToInt32(v_0.AuxInt)
  6863  		v.reset(Op386MOVLconst)
  6864  		v.AuxInt = int32ToAuxInt(d >> uint64(c))
  6865  		return true
  6866  	}
  6867  	return false
  6868  }
  6869  func rewriteValue386_Op386SARW(v *Value) bool {
  6870  	v_1 := v.Args[1]
  6871  	v_0 := v.Args[0]
  6872  	// match: (SARW x (MOVLconst [c]))
  6873  	// result: (SARWconst [int16(min(int64(c&31),15))] x)
  6874  	for {
  6875  		x := v_0
  6876  		if v_1.Op != Op386MOVLconst {
  6877  			break
  6878  		}
  6879  		c := auxIntToInt32(v_1.AuxInt)
  6880  		v.reset(Op386SARWconst)
  6881  		v.AuxInt = int16ToAuxInt(int16(min(int64(c&31), 15)))
  6882  		v.AddArg(x)
  6883  		return true
  6884  	}
  6885  	return false
  6886  }
  6887  func rewriteValue386_Op386SARWconst(v *Value) bool {
  6888  	v_0 := v.Args[0]
  6889  	// match: (SARWconst x [0])
  6890  	// result: x
  6891  	for {
  6892  		if auxIntToInt16(v.AuxInt) != 0 {
  6893  			break
  6894  		}
  6895  		x := v_0
  6896  		v.copyOf(x)
  6897  		return true
  6898  	}
  6899  	// match: (SARWconst [c] (MOVLconst [d]))
  6900  	// result: (MOVLconst [d>>uint64(c)])
  6901  	for {
  6902  		c := auxIntToInt16(v.AuxInt)
  6903  		if v_0.Op != Op386MOVLconst {
  6904  			break
  6905  		}
  6906  		d := auxIntToInt32(v_0.AuxInt)
  6907  		v.reset(Op386MOVLconst)
  6908  		v.AuxInt = int32ToAuxInt(d >> uint64(c))
  6909  		return true
  6910  	}
  6911  	return false
  6912  }
  6913  func rewriteValue386_Op386SBBL(v *Value) bool {
  6914  	v_2 := v.Args[2]
  6915  	v_1 := v.Args[1]
  6916  	v_0 := v.Args[0]
  6917  	// match: (SBBL x (MOVLconst [c]) f)
  6918  	// result: (SBBLconst [c] x f)
  6919  	for {
  6920  		x := v_0
  6921  		if v_1.Op != Op386MOVLconst {
  6922  			break
  6923  		}
  6924  		c := auxIntToInt32(v_1.AuxInt)
  6925  		f := v_2
  6926  		v.reset(Op386SBBLconst)
  6927  		v.AuxInt = int32ToAuxInt(c)
  6928  		v.AddArg2(x, f)
  6929  		return true
  6930  	}
  6931  	return false
  6932  }
  6933  func rewriteValue386_Op386SBBLcarrymask(v *Value) bool {
  6934  	v_0 := v.Args[0]
  6935  	// match: (SBBLcarrymask (FlagEQ))
  6936  	// result: (MOVLconst [0])
  6937  	for {
  6938  		if v_0.Op != Op386FlagEQ {
  6939  			break
  6940  		}
  6941  		v.reset(Op386MOVLconst)
  6942  		v.AuxInt = int32ToAuxInt(0)
  6943  		return true
  6944  	}
  6945  	// match: (SBBLcarrymask (FlagLT_ULT))
  6946  	// result: (MOVLconst [-1])
  6947  	for {
  6948  		if v_0.Op != Op386FlagLT_ULT {
  6949  			break
  6950  		}
  6951  		v.reset(Op386MOVLconst)
  6952  		v.AuxInt = int32ToAuxInt(-1)
  6953  		return true
  6954  	}
  6955  	// match: (SBBLcarrymask (FlagLT_UGT))
  6956  	// result: (MOVLconst [0])
  6957  	for {
  6958  		if v_0.Op != Op386FlagLT_UGT {
  6959  			break
  6960  		}
  6961  		v.reset(Op386MOVLconst)
  6962  		v.AuxInt = int32ToAuxInt(0)
  6963  		return true
  6964  	}
  6965  	// match: (SBBLcarrymask (FlagGT_ULT))
  6966  	// result: (MOVLconst [-1])
  6967  	for {
  6968  		if v_0.Op != Op386FlagGT_ULT {
  6969  			break
  6970  		}
  6971  		v.reset(Op386MOVLconst)
  6972  		v.AuxInt = int32ToAuxInt(-1)
  6973  		return true
  6974  	}
  6975  	// match: (SBBLcarrymask (FlagGT_UGT))
  6976  	// result: (MOVLconst [0])
  6977  	for {
  6978  		if v_0.Op != Op386FlagGT_UGT {
  6979  			break
  6980  		}
  6981  		v.reset(Op386MOVLconst)
  6982  		v.AuxInt = int32ToAuxInt(0)
  6983  		return true
  6984  	}
  6985  	return false
  6986  }
  6987  func rewriteValue386_Op386SETA(v *Value) bool {
  6988  	v_0 := v.Args[0]
  6989  	// match: (SETA (InvertFlags x))
  6990  	// result: (SETB x)
  6991  	for {
  6992  		if v_0.Op != Op386InvertFlags {
  6993  			break
  6994  		}
  6995  		x := v_0.Args[0]
  6996  		v.reset(Op386SETB)
  6997  		v.AddArg(x)
  6998  		return true
  6999  	}
  7000  	// match: (SETA (FlagEQ))
  7001  	// result: (MOVLconst [0])
  7002  	for {
  7003  		if v_0.Op != Op386FlagEQ {
  7004  			break
  7005  		}
  7006  		v.reset(Op386MOVLconst)
  7007  		v.AuxInt = int32ToAuxInt(0)
  7008  		return true
  7009  	}
  7010  	// match: (SETA (FlagLT_ULT))
  7011  	// result: (MOVLconst [0])
  7012  	for {
  7013  		if v_0.Op != Op386FlagLT_ULT {
  7014  			break
  7015  		}
  7016  		v.reset(Op386MOVLconst)
  7017  		v.AuxInt = int32ToAuxInt(0)
  7018  		return true
  7019  	}
  7020  	// match: (SETA (FlagLT_UGT))
  7021  	// result: (MOVLconst [1])
  7022  	for {
  7023  		if v_0.Op != Op386FlagLT_UGT {
  7024  			break
  7025  		}
  7026  		v.reset(Op386MOVLconst)
  7027  		v.AuxInt = int32ToAuxInt(1)
  7028  		return true
  7029  	}
  7030  	// match: (SETA (FlagGT_ULT))
  7031  	// result: (MOVLconst [0])
  7032  	for {
  7033  		if v_0.Op != Op386FlagGT_ULT {
  7034  			break
  7035  		}
  7036  		v.reset(Op386MOVLconst)
  7037  		v.AuxInt = int32ToAuxInt(0)
  7038  		return true
  7039  	}
  7040  	// match: (SETA (FlagGT_UGT))
  7041  	// result: (MOVLconst [1])
  7042  	for {
  7043  		if v_0.Op != Op386FlagGT_UGT {
  7044  			break
  7045  		}
  7046  		v.reset(Op386MOVLconst)
  7047  		v.AuxInt = int32ToAuxInt(1)
  7048  		return true
  7049  	}
  7050  	return false
  7051  }
  7052  func rewriteValue386_Op386SETAE(v *Value) bool {
  7053  	v_0 := v.Args[0]
  7054  	// match: (SETAE (InvertFlags x))
  7055  	// result: (SETBE x)
  7056  	for {
  7057  		if v_0.Op != Op386InvertFlags {
  7058  			break
  7059  		}
  7060  		x := v_0.Args[0]
  7061  		v.reset(Op386SETBE)
  7062  		v.AddArg(x)
  7063  		return true
  7064  	}
  7065  	// match: (SETAE (FlagEQ))
  7066  	// result: (MOVLconst [1])
  7067  	for {
  7068  		if v_0.Op != Op386FlagEQ {
  7069  			break
  7070  		}
  7071  		v.reset(Op386MOVLconst)
  7072  		v.AuxInt = int32ToAuxInt(1)
  7073  		return true
  7074  	}
  7075  	// match: (SETAE (FlagLT_ULT))
  7076  	// result: (MOVLconst [0])
  7077  	for {
  7078  		if v_0.Op != Op386FlagLT_ULT {
  7079  			break
  7080  		}
  7081  		v.reset(Op386MOVLconst)
  7082  		v.AuxInt = int32ToAuxInt(0)
  7083  		return true
  7084  	}
  7085  	// match: (SETAE (FlagLT_UGT))
  7086  	// result: (MOVLconst [1])
  7087  	for {
  7088  		if v_0.Op != Op386FlagLT_UGT {
  7089  			break
  7090  		}
  7091  		v.reset(Op386MOVLconst)
  7092  		v.AuxInt = int32ToAuxInt(1)
  7093  		return true
  7094  	}
  7095  	// match: (SETAE (FlagGT_ULT))
  7096  	// result: (MOVLconst [0])
  7097  	for {
  7098  		if v_0.Op != Op386FlagGT_ULT {
  7099  			break
  7100  		}
  7101  		v.reset(Op386MOVLconst)
  7102  		v.AuxInt = int32ToAuxInt(0)
  7103  		return true
  7104  	}
  7105  	// match: (SETAE (FlagGT_UGT))
  7106  	// result: (MOVLconst [1])
  7107  	for {
  7108  		if v_0.Op != Op386FlagGT_UGT {
  7109  			break
  7110  		}
  7111  		v.reset(Op386MOVLconst)
  7112  		v.AuxInt = int32ToAuxInt(1)
  7113  		return true
  7114  	}
  7115  	return false
  7116  }
  7117  func rewriteValue386_Op386SETB(v *Value) bool {
  7118  	v_0 := v.Args[0]
  7119  	// match: (SETB (InvertFlags x))
  7120  	// result: (SETA x)
  7121  	for {
  7122  		if v_0.Op != Op386InvertFlags {
  7123  			break
  7124  		}
  7125  		x := v_0.Args[0]
  7126  		v.reset(Op386SETA)
  7127  		v.AddArg(x)
  7128  		return true
  7129  	}
  7130  	// match: (SETB (FlagEQ))
  7131  	// result: (MOVLconst [0])
  7132  	for {
  7133  		if v_0.Op != Op386FlagEQ {
  7134  			break
  7135  		}
  7136  		v.reset(Op386MOVLconst)
  7137  		v.AuxInt = int32ToAuxInt(0)
  7138  		return true
  7139  	}
  7140  	// match: (SETB (FlagLT_ULT))
  7141  	// result: (MOVLconst [1])
  7142  	for {
  7143  		if v_0.Op != Op386FlagLT_ULT {
  7144  			break
  7145  		}
  7146  		v.reset(Op386MOVLconst)
  7147  		v.AuxInt = int32ToAuxInt(1)
  7148  		return true
  7149  	}
  7150  	// match: (SETB (FlagLT_UGT))
  7151  	// result: (MOVLconst [0])
  7152  	for {
  7153  		if v_0.Op != Op386FlagLT_UGT {
  7154  			break
  7155  		}
  7156  		v.reset(Op386MOVLconst)
  7157  		v.AuxInt = int32ToAuxInt(0)
  7158  		return true
  7159  	}
  7160  	// match: (SETB (FlagGT_ULT))
  7161  	// result: (MOVLconst [1])
  7162  	for {
  7163  		if v_0.Op != Op386FlagGT_ULT {
  7164  			break
  7165  		}
  7166  		v.reset(Op386MOVLconst)
  7167  		v.AuxInt = int32ToAuxInt(1)
  7168  		return true
  7169  	}
  7170  	// match: (SETB (FlagGT_UGT))
  7171  	// result: (MOVLconst [0])
  7172  	for {
  7173  		if v_0.Op != Op386FlagGT_UGT {
  7174  			break
  7175  		}
  7176  		v.reset(Op386MOVLconst)
  7177  		v.AuxInt = int32ToAuxInt(0)
  7178  		return true
  7179  	}
  7180  	return false
  7181  }
  7182  func rewriteValue386_Op386SETBE(v *Value) bool {
  7183  	v_0 := v.Args[0]
  7184  	// match: (SETBE (InvertFlags x))
  7185  	// result: (SETAE x)
  7186  	for {
  7187  		if v_0.Op != Op386InvertFlags {
  7188  			break
  7189  		}
  7190  		x := v_0.Args[0]
  7191  		v.reset(Op386SETAE)
  7192  		v.AddArg(x)
  7193  		return true
  7194  	}
  7195  	// match: (SETBE (FlagEQ))
  7196  	// result: (MOVLconst [1])
  7197  	for {
  7198  		if v_0.Op != Op386FlagEQ {
  7199  			break
  7200  		}
  7201  		v.reset(Op386MOVLconst)
  7202  		v.AuxInt = int32ToAuxInt(1)
  7203  		return true
  7204  	}
  7205  	// match: (SETBE (FlagLT_ULT))
  7206  	// result: (MOVLconst [1])
  7207  	for {
  7208  		if v_0.Op != Op386FlagLT_ULT {
  7209  			break
  7210  		}
  7211  		v.reset(Op386MOVLconst)
  7212  		v.AuxInt = int32ToAuxInt(1)
  7213  		return true
  7214  	}
  7215  	// match: (SETBE (FlagLT_UGT))
  7216  	// result: (MOVLconst [0])
  7217  	for {
  7218  		if v_0.Op != Op386FlagLT_UGT {
  7219  			break
  7220  		}
  7221  		v.reset(Op386MOVLconst)
  7222  		v.AuxInt = int32ToAuxInt(0)
  7223  		return true
  7224  	}
  7225  	// match: (SETBE (FlagGT_ULT))
  7226  	// result: (MOVLconst [1])
  7227  	for {
  7228  		if v_0.Op != Op386FlagGT_ULT {
  7229  			break
  7230  		}
  7231  		v.reset(Op386MOVLconst)
  7232  		v.AuxInt = int32ToAuxInt(1)
  7233  		return true
  7234  	}
  7235  	// match: (SETBE (FlagGT_UGT))
  7236  	// result: (MOVLconst [0])
  7237  	for {
  7238  		if v_0.Op != Op386FlagGT_UGT {
  7239  			break
  7240  		}
  7241  		v.reset(Op386MOVLconst)
  7242  		v.AuxInt = int32ToAuxInt(0)
  7243  		return true
  7244  	}
  7245  	return false
  7246  }
  7247  func rewriteValue386_Op386SETEQ(v *Value) bool {
  7248  	v_0 := v.Args[0]
  7249  	// match: (SETEQ (InvertFlags x))
  7250  	// result: (SETEQ x)
  7251  	for {
  7252  		if v_0.Op != Op386InvertFlags {
  7253  			break
  7254  		}
  7255  		x := v_0.Args[0]
  7256  		v.reset(Op386SETEQ)
  7257  		v.AddArg(x)
  7258  		return true
  7259  	}
  7260  	// match: (SETEQ (FlagEQ))
  7261  	// result: (MOVLconst [1])
  7262  	for {
  7263  		if v_0.Op != Op386FlagEQ {
  7264  			break
  7265  		}
  7266  		v.reset(Op386MOVLconst)
  7267  		v.AuxInt = int32ToAuxInt(1)
  7268  		return true
  7269  	}
  7270  	// match: (SETEQ (FlagLT_ULT))
  7271  	// result: (MOVLconst [0])
  7272  	for {
  7273  		if v_0.Op != Op386FlagLT_ULT {
  7274  			break
  7275  		}
  7276  		v.reset(Op386MOVLconst)
  7277  		v.AuxInt = int32ToAuxInt(0)
  7278  		return true
  7279  	}
  7280  	// match: (SETEQ (FlagLT_UGT))
  7281  	// result: (MOVLconst [0])
  7282  	for {
  7283  		if v_0.Op != Op386FlagLT_UGT {
  7284  			break
  7285  		}
  7286  		v.reset(Op386MOVLconst)
  7287  		v.AuxInt = int32ToAuxInt(0)
  7288  		return true
  7289  	}
  7290  	// match: (SETEQ (FlagGT_ULT))
  7291  	// result: (MOVLconst [0])
  7292  	for {
  7293  		if v_0.Op != Op386FlagGT_ULT {
  7294  			break
  7295  		}
  7296  		v.reset(Op386MOVLconst)
  7297  		v.AuxInt = int32ToAuxInt(0)
  7298  		return true
  7299  	}
  7300  	// match: (SETEQ (FlagGT_UGT))
  7301  	// result: (MOVLconst [0])
  7302  	for {
  7303  		if v_0.Op != Op386FlagGT_UGT {
  7304  			break
  7305  		}
  7306  		v.reset(Op386MOVLconst)
  7307  		v.AuxInt = int32ToAuxInt(0)
  7308  		return true
  7309  	}
  7310  	return false
  7311  }
  7312  func rewriteValue386_Op386SETG(v *Value) bool {
  7313  	v_0 := v.Args[0]
  7314  	// match: (SETG (InvertFlags x))
  7315  	// result: (SETL x)
  7316  	for {
  7317  		if v_0.Op != Op386InvertFlags {
  7318  			break
  7319  		}
  7320  		x := v_0.Args[0]
  7321  		v.reset(Op386SETL)
  7322  		v.AddArg(x)
  7323  		return true
  7324  	}
  7325  	// match: (SETG (FlagEQ))
  7326  	// result: (MOVLconst [0])
  7327  	for {
  7328  		if v_0.Op != Op386FlagEQ {
  7329  			break
  7330  		}
  7331  		v.reset(Op386MOVLconst)
  7332  		v.AuxInt = int32ToAuxInt(0)
  7333  		return true
  7334  	}
  7335  	// match: (SETG (FlagLT_ULT))
  7336  	// result: (MOVLconst [0])
  7337  	for {
  7338  		if v_0.Op != Op386FlagLT_ULT {
  7339  			break
  7340  		}
  7341  		v.reset(Op386MOVLconst)
  7342  		v.AuxInt = int32ToAuxInt(0)
  7343  		return true
  7344  	}
  7345  	// match: (SETG (FlagLT_UGT))
  7346  	// result: (MOVLconst [0])
  7347  	for {
  7348  		if v_0.Op != Op386FlagLT_UGT {
  7349  			break
  7350  		}
  7351  		v.reset(Op386MOVLconst)
  7352  		v.AuxInt = int32ToAuxInt(0)
  7353  		return true
  7354  	}
  7355  	// match: (SETG (FlagGT_ULT))
  7356  	// result: (MOVLconst [1])
  7357  	for {
  7358  		if v_0.Op != Op386FlagGT_ULT {
  7359  			break
  7360  		}
  7361  		v.reset(Op386MOVLconst)
  7362  		v.AuxInt = int32ToAuxInt(1)
  7363  		return true
  7364  	}
  7365  	// match: (SETG (FlagGT_UGT))
  7366  	// result: (MOVLconst [1])
  7367  	for {
  7368  		if v_0.Op != Op386FlagGT_UGT {
  7369  			break
  7370  		}
  7371  		v.reset(Op386MOVLconst)
  7372  		v.AuxInt = int32ToAuxInt(1)
  7373  		return true
  7374  	}
  7375  	return false
  7376  }
  7377  func rewriteValue386_Op386SETGE(v *Value) bool {
  7378  	v_0 := v.Args[0]
  7379  	// match: (SETGE (InvertFlags x))
  7380  	// result: (SETLE x)
  7381  	for {
  7382  		if v_0.Op != Op386InvertFlags {
  7383  			break
  7384  		}
  7385  		x := v_0.Args[0]
  7386  		v.reset(Op386SETLE)
  7387  		v.AddArg(x)
  7388  		return true
  7389  	}
  7390  	// match: (SETGE (FlagEQ))
  7391  	// result: (MOVLconst [1])
  7392  	for {
  7393  		if v_0.Op != Op386FlagEQ {
  7394  			break
  7395  		}
  7396  		v.reset(Op386MOVLconst)
  7397  		v.AuxInt = int32ToAuxInt(1)
  7398  		return true
  7399  	}
  7400  	// match: (SETGE (FlagLT_ULT))
  7401  	// result: (MOVLconst [0])
  7402  	for {
  7403  		if v_0.Op != Op386FlagLT_ULT {
  7404  			break
  7405  		}
  7406  		v.reset(Op386MOVLconst)
  7407  		v.AuxInt = int32ToAuxInt(0)
  7408  		return true
  7409  	}
  7410  	// match: (SETGE (FlagLT_UGT))
  7411  	// result: (MOVLconst [0])
  7412  	for {
  7413  		if v_0.Op != Op386FlagLT_UGT {
  7414  			break
  7415  		}
  7416  		v.reset(Op386MOVLconst)
  7417  		v.AuxInt = int32ToAuxInt(0)
  7418  		return true
  7419  	}
  7420  	// match: (SETGE (FlagGT_ULT))
  7421  	// result: (MOVLconst [1])
  7422  	for {
  7423  		if v_0.Op != Op386FlagGT_ULT {
  7424  			break
  7425  		}
  7426  		v.reset(Op386MOVLconst)
  7427  		v.AuxInt = int32ToAuxInt(1)
  7428  		return true
  7429  	}
  7430  	// match: (SETGE (FlagGT_UGT))
  7431  	// result: (MOVLconst [1])
  7432  	for {
  7433  		if v_0.Op != Op386FlagGT_UGT {
  7434  			break
  7435  		}
  7436  		v.reset(Op386MOVLconst)
  7437  		v.AuxInt = int32ToAuxInt(1)
  7438  		return true
  7439  	}
  7440  	return false
  7441  }
  7442  func rewriteValue386_Op386SETL(v *Value) bool {
  7443  	v_0 := v.Args[0]
  7444  	// match: (SETL (InvertFlags x))
  7445  	// result: (SETG x)
  7446  	for {
  7447  		if v_0.Op != Op386InvertFlags {
  7448  			break
  7449  		}
  7450  		x := v_0.Args[0]
  7451  		v.reset(Op386SETG)
  7452  		v.AddArg(x)
  7453  		return true
  7454  	}
  7455  	// match: (SETL (FlagEQ))
  7456  	// result: (MOVLconst [0])
  7457  	for {
  7458  		if v_0.Op != Op386FlagEQ {
  7459  			break
  7460  		}
  7461  		v.reset(Op386MOVLconst)
  7462  		v.AuxInt = int32ToAuxInt(0)
  7463  		return true
  7464  	}
  7465  	// match: (SETL (FlagLT_ULT))
  7466  	// result: (MOVLconst [1])
  7467  	for {
  7468  		if v_0.Op != Op386FlagLT_ULT {
  7469  			break
  7470  		}
  7471  		v.reset(Op386MOVLconst)
  7472  		v.AuxInt = int32ToAuxInt(1)
  7473  		return true
  7474  	}
  7475  	// match: (SETL (FlagLT_UGT))
  7476  	// result: (MOVLconst [1])
  7477  	for {
  7478  		if v_0.Op != Op386FlagLT_UGT {
  7479  			break
  7480  		}
  7481  		v.reset(Op386MOVLconst)
  7482  		v.AuxInt = int32ToAuxInt(1)
  7483  		return true
  7484  	}
  7485  	// match: (SETL (FlagGT_ULT))
  7486  	// result: (MOVLconst [0])
  7487  	for {
  7488  		if v_0.Op != Op386FlagGT_ULT {
  7489  			break
  7490  		}
  7491  		v.reset(Op386MOVLconst)
  7492  		v.AuxInt = int32ToAuxInt(0)
  7493  		return true
  7494  	}
  7495  	// match: (SETL (FlagGT_UGT))
  7496  	// result: (MOVLconst [0])
  7497  	for {
  7498  		if v_0.Op != Op386FlagGT_UGT {
  7499  			break
  7500  		}
  7501  		v.reset(Op386MOVLconst)
  7502  		v.AuxInt = int32ToAuxInt(0)
  7503  		return true
  7504  	}
  7505  	return false
  7506  }
  7507  func rewriteValue386_Op386SETLE(v *Value) bool {
  7508  	v_0 := v.Args[0]
  7509  	// match: (SETLE (InvertFlags x))
  7510  	// result: (SETGE x)
  7511  	for {
  7512  		if v_0.Op != Op386InvertFlags {
  7513  			break
  7514  		}
  7515  		x := v_0.Args[0]
  7516  		v.reset(Op386SETGE)
  7517  		v.AddArg(x)
  7518  		return true
  7519  	}
  7520  	// match: (SETLE (FlagEQ))
  7521  	// result: (MOVLconst [1])
  7522  	for {
  7523  		if v_0.Op != Op386FlagEQ {
  7524  			break
  7525  		}
  7526  		v.reset(Op386MOVLconst)
  7527  		v.AuxInt = int32ToAuxInt(1)
  7528  		return true
  7529  	}
  7530  	// match: (SETLE (FlagLT_ULT))
  7531  	// result: (MOVLconst [1])
  7532  	for {
  7533  		if v_0.Op != Op386FlagLT_ULT {
  7534  			break
  7535  		}
  7536  		v.reset(Op386MOVLconst)
  7537  		v.AuxInt = int32ToAuxInt(1)
  7538  		return true
  7539  	}
  7540  	// match: (SETLE (FlagLT_UGT))
  7541  	// result: (MOVLconst [1])
  7542  	for {
  7543  		if v_0.Op != Op386FlagLT_UGT {
  7544  			break
  7545  		}
  7546  		v.reset(Op386MOVLconst)
  7547  		v.AuxInt = int32ToAuxInt(1)
  7548  		return true
  7549  	}
  7550  	// match: (SETLE (FlagGT_ULT))
  7551  	// result: (MOVLconst [0])
  7552  	for {
  7553  		if v_0.Op != Op386FlagGT_ULT {
  7554  			break
  7555  		}
  7556  		v.reset(Op386MOVLconst)
  7557  		v.AuxInt = int32ToAuxInt(0)
  7558  		return true
  7559  	}
  7560  	// match: (SETLE (FlagGT_UGT))
  7561  	// result: (MOVLconst [0])
  7562  	for {
  7563  		if v_0.Op != Op386FlagGT_UGT {
  7564  			break
  7565  		}
  7566  		v.reset(Op386MOVLconst)
  7567  		v.AuxInt = int32ToAuxInt(0)
  7568  		return true
  7569  	}
  7570  	return false
  7571  }
  7572  func rewriteValue386_Op386SETNE(v *Value) bool {
  7573  	v_0 := v.Args[0]
  7574  	// match: (SETNE (InvertFlags x))
  7575  	// result: (SETNE x)
  7576  	for {
  7577  		if v_0.Op != Op386InvertFlags {
  7578  			break
  7579  		}
  7580  		x := v_0.Args[0]
  7581  		v.reset(Op386SETNE)
  7582  		v.AddArg(x)
  7583  		return true
  7584  	}
  7585  	// match: (SETNE (FlagEQ))
  7586  	// result: (MOVLconst [0])
  7587  	for {
  7588  		if v_0.Op != Op386FlagEQ {
  7589  			break
  7590  		}
  7591  		v.reset(Op386MOVLconst)
  7592  		v.AuxInt = int32ToAuxInt(0)
  7593  		return true
  7594  	}
  7595  	// match: (SETNE (FlagLT_ULT))
  7596  	// result: (MOVLconst [1])
  7597  	for {
  7598  		if v_0.Op != Op386FlagLT_ULT {
  7599  			break
  7600  		}
  7601  		v.reset(Op386MOVLconst)
  7602  		v.AuxInt = int32ToAuxInt(1)
  7603  		return true
  7604  	}
  7605  	// match: (SETNE (FlagLT_UGT))
  7606  	// result: (MOVLconst [1])
  7607  	for {
  7608  		if v_0.Op != Op386FlagLT_UGT {
  7609  			break
  7610  		}
  7611  		v.reset(Op386MOVLconst)
  7612  		v.AuxInt = int32ToAuxInt(1)
  7613  		return true
  7614  	}
  7615  	// match: (SETNE (FlagGT_ULT))
  7616  	// result: (MOVLconst [1])
  7617  	for {
  7618  		if v_0.Op != Op386FlagGT_ULT {
  7619  			break
  7620  		}
  7621  		v.reset(Op386MOVLconst)
  7622  		v.AuxInt = int32ToAuxInt(1)
  7623  		return true
  7624  	}
  7625  	// match: (SETNE (FlagGT_UGT))
  7626  	// result: (MOVLconst [1])
  7627  	for {
  7628  		if v_0.Op != Op386FlagGT_UGT {
  7629  			break
  7630  		}
  7631  		v.reset(Op386MOVLconst)
  7632  		v.AuxInt = int32ToAuxInt(1)
  7633  		return true
  7634  	}
  7635  	return false
  7636  }
  7637  func rewriteValue386_Op386SHLL(v *Value) bool {
  7638  	v_1 := v.Args[1]
  7639  	v_0 := v.Args[0]
  7640  	// match: (SHLL x (MOVLconst [c]))
  7641  	// result: (SHLLconst [c&31] x)
  7642  	for {
  7643  		x := v_0
  7644  		if v_1.Op != Op386MOVLconst {
  7645  			break
  7646  		}
  7647  		c := auxIntToInt32(v_1.AuxInt)
  7648  		v.reset(Op386SHLLconst)
  7649  		v.AuxInt = int32ToAuxInt(c & 31)
  7650  		v.AddArg(x)
  7651  		return true
  7652  	}
  7653  	// match: (SHLL x (ANDLconst [31] y))
  7654  	// result: (SHLL x y)
  7655  	for {
  7656  		x := v_0
  7657  		if v_1.Op != Op386ANDLconst || auxIntToInt32(v_1.AuxInt) != 31 {
  7658  			break
  7659  		}
  7660  		y := v_1.Args[0]
  7661  		v.reset(Op386SHLL)
  7662  		v.AddArg2(x, y)
  7663  		return true
  7664  	}
  7665  	return false
  7666  }
  7667  func rewriteValue386_Op386SHLLconst(v *Value) bool {
  7668  	v_0 := v.Args[0]
  7669  	// match: (SHLLconst x [0])
  7670  	// result: x
  7671  	for {
  7672  		if auxIntToInt32(v.AuxInt) != 0 {
  7673  			break
  7674  		}
  7675  		x := v_0
  7676  		v.copyOf(x)
  7677  		return true
  7678  	}
  7679  	return false
  7680  }
  7681  func rewriteValue386_Op386SHRB(v *Value) bool {
  7682  	v_1 := v.Args[1]
  7683  	v_0 := v.Args[0]
  7684  	// match: (SHRB x (MOVLconst [c]))
  7685  	// cond: c&31 < 8
  7686  	// result: (SHRBconst [int8(c&31)] x)
  7687  	for {
  7688  		x := v_0
  7689  		if v_1.Op != Op386MOVLconst {
  7690  			break
  7691  		}
  7692  		c := auxIntToInt32(v_1.AuxInt)
  7693  		if !(c&31 < 8) {
  7694  			break
  7695  		}
  7696  		v.reset(Op386SHRBconst)
  7697  		v.AuxInt = int8ToAuxInt(int8(c & 31))
  7698  		v.AddArg(x)
  7699  		return true
  7700  	}
  7701  	// match: (SHRB _ (MOVLconst [c]))
  7702  	// cond: c&31 >= 8
  7703  	// result: (MOVLconst [0])
  7704  	for {
  7705  		if v_1.Op != Op386MOVLconst {
  7706  			break
  7707  		}
  7708  		c := auxIntToInt32(v_1.AuxInt)
  7709  		if !(c&31 >= 8) {
  7710  			break
  7711  		}
  7712  		v.reset(Op386MOVLconst)
  7713  		v.AuxInt = int32ToAuxInt(0)
  7714  		return true
  7715  	}
  7716  	return false
  7717  }
  7718  func rewriteValue386_Op386SHRBconst(v *Value) bool {
  7719  	v_0 := v.Args[0]
  7720  	// match: (SHRBconst x [0])
  7721  	// result: x
  7722  	for {
  7723  		if auxIntToInt8(v.AuxInt) != 0 {
  7724  			break
  7725  		}
  7726  		x := v_0
  7727  		v.copyOf(x)
  7728  		return true
  7729  	}
  7730  	return false
  7731  }
  7732  func rewriteValue386_Op386SHRL(v *Value) bool {
  7733  	v_1 := v.Args[1]
  7734  	v_0 := v.Args[0]
  7735  	// match: (SHRL x (MOVLconst [c]))
  7736  	// result: (SHRLconst [c&31] x)
  7737  	for {
  7738  		x := v_0
  7739  		if v_1.Op != Op386MOVLconst {
  7740  			break
  7741  		}
  7742  		c := auxIntToInt32(v_1.AuxInt)
  7743  		v.reset(Op386SHRLconst)
  7744  		v.AuxInt = int32ToAuxInt(c & 31)
  7745  		v.AddArg(x)
  7746  		return true
  7747  	}
  7748  	// match: (SHRL x (ANDLconst [31] y))
  7749  	// result: (SHRL x y)
  7750  	for {
  7751  		x := v_0
  7752  		if v_1.Op != Op386ANDLconst || auxIntToInt32(v_1.AuxInt) != 31 {
  7753  			break
  7754  		}
  7755  		y := v_1.Args[0]
  7756  		v.reset(Op386SHRL)
  7757  		v.AddArg2(x, y)
  7758  		return true
  7759  	}
  7760  	return false
  7761  }
  7762  func rewriteValue386_Op386SHRLconst(v *Value) bool {
  7763  	v_0 := v.Args[0]
  7764  	// match: (SHRLconst x [0])
  7765  	// result: x
  7766  	for {
  7767  		if auxIntToInt32(v.AuxInt) != 0 {
  7768  			break
  7769  		}
  7770  		x := v_0
  7771  		v.copyOf(x)
  7772  		return true
  7773  	}
  7774  	return false
  7775  }
  7776  func rewriteValue386_Op386SHRW(v *Value) bool {
  7777  	v_1 := v.Args[1]
  7778  	v_0 := v.Args[0]
  7779  	// match: (SHRW x (MOVLconst [c]))
  7780  	// cond: c&31 < 16
  7781  	// result: (SHRWconst [int16(c&31)] x)
  7782  	for {
  7783  		x := v_0
  7784  		if v_1.Op != Op386MOVLconst {
  7785  			break
  7786  		}
  7787  		c := auxIntToInt32(v_1.AuxInt)
  7788  		if !(c&31 < 16) {
  7789  			break
  7790  		}
  7791  		v.reset(Op386SHRWconst)
  7792  		v.AuxInt = int16ToAuxInt(int16(c & 31))
  7793  		v.AddArg(x)
  7794  		return true
  7795  	}
  7796  	// match: (SHRW _ (MOVLconst [c]))
  7797  	// cond: c&31 >= 16
  7798  	// result: (MOVLconst [0])
  7799  	for {
  7800  		if v_1.Op != Op386MOVLconst {
  7801  			break
  7802  		}
  7803  		c := auxIntToInt32(v_1.AuxInt)
  7804  		if !(c&31 >= 16) {
  7805  			break
  7806  		}
  7807  		v.reset(Op386MOVLconst)
  7808  		v.AuxInt = int32ToAuxInt(0)
  7809  		return true
  7810  	}
  7811  	return false
  7812  }
  7813  func rewriteValue386_Op386SHRWconst(v *Value) bool {
  7814  	v_0 := v.Args[0]
  7815  	// match: (SHRWconst x [0])
  7816  	// result: x
  7817  	for {
  7818  		if auxIntToInt16(v.AuxInt) != 0 {
  7819  			break
  7820  		}
  7821  		x := v_0
  7822  		v.copyOf(x)
  7823  		return true
  7824  	}
  7825  	return false
  7826  }
  7827  func rewriteValue386_Op386SUBL(v *Value) bool {
  7828  	v_1 := v.Args[1]
  7829  	v_0 := v.Args[0]
  7830  	b := v.Block
  7831  	// match: (SUBL x (MOVLconst [c]))
  7832  	// result: (SUBLconst x [c])
  7833  	for {
  7834  		x := v_0
  7835  		if v_1.Op != Op386MOVLconst {
  7836  			break
  7837  		}
  7838  		c := auxIntToInt32(v_1.AuxInt)
  7839  		v.reset(Op386SUBLconst)
  7840  		v.AuxInt = int32ToAuxInt(c)
  7841  		v.AddArg(x)
  7842  		return true
  7843  	}
  7844  	// match: (SUBL (MOVLconst [c]) x)
  7845  	// result: (NEGL (SUBLconst <v.Type> x [c]))
  7846  	for {
  7847  		if v_0.Op != Op386MOVLconst {
  7848  			break
  7849  		}
  7850  		c := auxIntToInt32(v_0.AuxInt)
  7851  		x := v_1
  7852  		v.reset(Op386NEGL)
  7853  		v0 := b.NewValue0(v.Pos, Op386SUBLconst, v.Type)
  7854  		v0.AuxInt = int32ToAuxInt(c)
  7855  		v0.AddArg(x)
  7856  		v.AddArg(v0)
  7857  		return true
  7858  	}
  7859  	// match: (SUBL x l:(MOVLload [off] {sym} ptr mem))
  7860  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  7861  	// result: (SUBLload x [off] {sym} ptr mem)
  7862  	for {
  7863  		x := v_0
  7864  		l := v_1
  7865  		if l.Op != Op386MOVLload {
  7866  			break
  7867  		}
  7868  		off := auxIntToInt32(l.AuxInt)
  7869  		sym := auxToSym(l.Aux)
  7870  		mem := l.Args[1]
  7871  		ptr := l.Args[0]
  7872  		if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  7873  			break
  7874  		}
  7875  		v.reset(Op386SUBLload)
  7876  		v.AuxInt = int32ToAuxInt(off)
  7877  		v.Aux = symToAux(sym)
  7878  		v.AddArg3(x, ptr, mem)
  7879  		return true
  7880  	}
  7881  	// match: (SUBL x x)
  7882  	// result: (MOVLconst [0])
  7883  	for {
  7884  		x := v_0
  7885  		if x != v_1 {
  7886  			break
  7887  		}
  7888  		v.reset(Op386MOVLconst)
  7889  		v.AuxInt = int32ToAuxInt(0)
  7890  		return true
  7891  	}
  7892  	return false
  7893  }
  7894  func rewriteValue386_Op386SUBLcarry(v *Value) bool {
  7895  	v_1 := v.Args[1]
  7896  	v_0 := v.Args[0]
  7897  	// match: (SUBLcarry x (MOVLconst [c]))
  7898  	// result: (SUBLconstcarry [c] x)
  7899  	for {
  7900  		x := v_0
  7901  		if v_1.Op != Op386MOVLconst {
  7902  			break
  7903  		}
  7904  		c := auxIntToInt32(v_1.AuxInt)
  7905  		v.reset(Op386SUBLconstcarry)
  7906  		v.AuxInt = int32ToAuxInt(c)
  7907  		v.AddArg(x)
  7908  		return true
  7909  	}
  7910  	return false
  7911  }
  7912  func rewriteValue386_Op386SUBLconst(v *Value) bool {
  7913  	v_0 := v.Args[0]
  7914  	// match: (SUBLconst [c] x)
  7915  	// cond: c==0
  7916  	// result: x
  7917  	for {
  7918  		c := auxIntToInt32(v.AuxInt)
  7919  		x := v_0
  7920  		if !(c == 0) {
  7921  			break
  7922  		}
  7923  		v.copyOf(x)
  7924  		return true
  7925  	}
  7926  	// match: (SUBLconst [c] x)
  7927  	// result: (ADDLconst [-c] x)
  7928  	for {
  7929  		c := auxIntToInt32(v.AuxInt)
  7930  		x := v_0
  7931  		v.reset(Op386ADDLconst)
  7932  		v.AuxInt = int32ToAuxInt(-c)
  7933  		v.AddArg(x)
  7934  		return true
  7935  	}
  7936  }
  7937  func rewriteValue386_Op386SUBLload(v *Value) bool {
  7938  	v_2 := v.Args[2]
  7939  	v_1 := v.Args[1]
  7940  	v_0 := v.Args[0]
  7941  	b := v.Block
  7942  	config := b.Func.Config
  7943  	// match: (SUBLload [off1] {sym} val (ADDLconst [off2] base) mem)
  7944  	// cond: is32Bit(int64(off1)+int64(off2))
  7945  	// result: (SUBLload [off1+off2] {sym} val base mem)
  7946  	for {
  7947  		off1 := auxIntToInt32(v.AuxInt)
  7948  		sym := auxToSym(v.Aux)
  7949  		val := v_0
  7950  		if v_1.Op != Op386ADDLconst {
  7951  			break
  7952  		}
  7953  		off2 := auxIntToInt32(v_1.AuxInt)
  7954  		base := v_1.Args[0]
  7955  		mem := v_2
  7956  		if !(is32Bit(int64(off1) + int64(off2))) {
  7957  			break
  7958  		}
  7959  		v.reset(Op386SUBLload)
  7960  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7961  		v.Aux = symToAux(sym)
  7962  		v.AddArg3(val, base, mem)
  7963  		return true
  7964  	}
  7965  	// match: (SUBLload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  7966  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  7967  	// result: (SUBLload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  7968  	for {
  7969  		off1 := auxIntToInt32(v.AuxInt)
  7970  		sym1 := auxToSym(v.Aux)
  7971  		val := v_0
  7972  		if v_1.Op != Op386LEAL {
  7973  			break
  7974  		}
  7975  		off2 := auxIntToInt32(v_1.AuxInt)
  7976  		sym2 := auxToSym(v_1.Aux)
  7977  		base := v_1.Args[0]
  7978  		mem := v_2
  7979  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  7980  			break
  7981  		}
  7982  		v.reset(Op386SUBLload)
  7983  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7984  		v.Aux = symToAux(mergeSym(sym1, sym2))
  7985  		v.AddArg3(val, base, mem)
  7986  		return true
  7987  	}
  7988  	return false
  7989  }
  7990  func rewriteValue386_Op386SUBLmodify(v *Value) bool {
  7991  	v_2 := v.Args[2]
  7992  	v_1 := v.Args[1]
  7993  	v_0 := v.Args[0]
  7994  	b := v.Block
  7995  	config := b.Func.Config
  7996  	// match: (SUBLmodify [off1] {sym} (ADDLconst [off2] base) val mem)
  7997  	// cond: is32Bit(int64(off1)+int64(off2))
  7998  	// result: (SUBLmodify [off1+off2] {sym} base val mem)
  7999  	for {
  8000  		off1 := auxIntToInt32(v.AuxInt)
  8001  		sym := auxToSym(v.Aux)
  8002  		if v_0.Op != Op386ADDLconst {
  8003  			break
  8004  		}
  8005  		off2 := auxIntToInt32(v_0.AuxInt)
  8006  		base := v_0.Args[0]
  8007  		val := v_1
  8008  		mem := v_2
  8009  		if !(is32Bit(int64(off1) + int64(off2))) {
  8010  			break
  8011  		}
  8012  		v.reset(Op386SUBLmodify)
  8013  		v.AuxInt = int32ToAuxInt(off1 + off2)
  8014  		v.Aux = symToAux(sym)
  8015  		v.AddArg3(base, val, mem)
  8016  		return true
  8017  	}
  8018  	// match: (SUBLmodify [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  8019  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  8020  	// result: (SUBLmodify [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  8021  	for {
  8022  		off1 := auxIntToInt32(v.AuxInt)
  8023  		sym1 := auxToSym(v.Aux)
  8024  		if v_0.Op != Op386LEAL {
  8025  			break
  8026  		}
  8027  		off2 := auxIntToInt32(v_0.AuxInt)
  8028  		sym2 := auxToSym(v_0.Aux)
  8029  		base := v_0.Args[0]
  8030  		val := v_1
  8031  		mem := v_2
  8032  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  8033  			break
  8034  		}
  8035  		v.reset(Op386SUBLmodify)
  8036  		v.AuxInt = int32ToAuxInt(off1 + off2)
  8037  		v.Aux = symToAux(mergeSym(sym1, sym2))
  8038  		v.AddArg3(base, val, mem)
  8039  		return true
  8040  	}
  8041  	return false
  8042  }
  8043  func rewriteValue386_Op386SUBSD(v *Value) bool {
  8044  	v_1 := v.Args[1]
  8045  	v_0 := v.Args[0]
  8046  	// match: (SUBSD x l:(MOVSDload [off] {sym} ptr mem))
  8047  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  8048  	// result: (SUBSDload x [off] {sym} ptr mem)
  8049  	for {
  8050  		x := v_0
  8051  		l := v_1
  8052  		if l.Op != Op386MOVSDload {
  8053  			break
  8054  		}
  8055  		off := auxIntToInt32(l.AuxInt)
  8056  		sym := auxToSym(l.Aux)
  8057  		mem := l.Args[1]
  8058  		ptr := l.Args[0]
  8059  		if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  8060  			break
  8061  		}
  8062  		v.reset(Op386SUBSDload)
  8063  		v.AuxInt = int32ToAuxInt(off)
  8064  		v.Aux = symToAux(sym)
  8065  		v.AddArg3(x, ptr, mem)
  8066  		return true
  8067  	}
  8068  	return false
  8069  }
  8070  func rewriteValue386_Op386SUBSDload(v *Value) bool {
  8071  	v_2 := v.Args[2]
  8072  	v_1 := v.Args[1]
  8073  	v_0 := v.Args[0]
  8074  	b := v.Block
  8075  	config := b.Func.Config
  8076  	// match: (SUBSDload [off1] {sym} val (ADDLconst [off2] base) mem)
  8077  	// cond: is32Bit(int64(off1)+int64(off2))
  8078  	// result: (SUBSDload [off1+off2] {sym} val base mem)
  8079  	for {
  8080  		off1 := auxIntToInt32(v.AuxInt)
  8081  		sym := auxToSym(v.Aux)
  8082  		val := v_0
  8083  		if v_1.Op != Op386ADDLconst {
  8084  			break
  8085  		}
  8086  		off2 := auxIntToInt32(v_1.AuxInt)
  8087  		base := v_1.Args[0]
  8088  		mem := v_2
  8089  		if !(is32Bit(int64(off1) + int64(off2))) {
  8090  			break
  8091  		}
  8092  		v.reset(Op386SUBSDload)
  8093  		v.AuxInt = int32ToAuxInt(off1 + off2)
  8094  		v.Aux = symToAux(sym)
  8095  		v.AddArg3(val, base, mem)
  8096  		return true
  8097  	}
  8098  	// match: (SUBSDload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  8099  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  8100  	// result: (SUBSDload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  8101  	for {
  8102  		off1 := auxIntToInt32(v.AuxInt)
  8103  		sym1 := auxToSym(v.Aux)
  8104  		val := v_0
  8105  		if v_1.Op != Op386LEAL {
  8106  			break
  8107  		}
  8108  		off2 := auxIntToInt32(v_1.AuxInt)
  8109  		sym2 := auxToSym(v_1.Aux)
  8110  		base := v_1.Args[0]
  8111  		mem := v_2
  8112  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  8113  			break
  8114  		}
  8115  		v.reset(Op386SUBSDload)
  8116  		v.AuxInt = int32ToAuxInt(off1 + off2)
  8117  		v.Aux = symToAux(mergeSym(sym1, sym2))
  8118  		v.AddArg3(val, base, mem)
  8119  		return true
  8120  	}
  8121  	return false
  8122  }
  8123  func rewriteValue386_Op386SUBSS(v *Value) bool {
  8124  	v_1 := v.Args[1]
  8125  	v_0 := v.Args[0]
  8126  	// match: (SUBSS x l:(MOVSSload [off] {sym} ptr mem))
  8127  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  8128  	// result: (SUBSSload x [off] {sym} ptr mem)
  8129  	for {
  8130  		x := v_0
  8131  		l := v_1
  8132  		if l.Op != Op386MOVSSload {
  8133  			break
  8134  		}
  8135  		off := auxIntToInt32(l.AuxInt)
  8136  		sym := auxToSym(l.Aux)
  8137  		mem := l.Args[1]
  8138  		ptr := l.Args[0]
  8139  		if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  8140  			break
  8141  		}
  8142  		v.reset(Op386SUBSSload)
  8143  		v.AuxInt = int32ToAuxInt(off)
  8144  		v.Aux = symToAux(sym)
  8145  		v.AddArg3(x, ptr, mem)
  8146  		return true
  8147  	}
  8148  	return false
  8149  }
  8150  func rewriteValue386_Op386SUBSSload(v *Value) bool {
  8151  	v_2 := v.Args[2]
  8152  	v_1 := v.Args[1]
  8153  	v_0 := v.Args[0]
  8154  	b := v.Block
  8155  	config := b.Func.Config
  8156  	// match: (SUBSSload [off1] {sym} val (ADDLconst [off2] base) mem)
  8157  	// cond: is32Bit(int64(off1)+int64(off2))
  8158  	// result: (SUBSSload [off1+off2] {sym} val base mem)
  8159  	for {
  8160  		off1 := auxIntToInt32(v.AuxInt)
  8161  		sym := auxToSym(v.Aux)
  8162  		val := v_0
  8163  		if v_1.Op != Op386ADDLconst {
  8164  			break
  8165  		}
  8166  		off2 := auxIntToInt32(v_1.AuxInt)
  8167  		base := v_1.Args[0]
  8168  		mem := v_2
  8169  		if !(is32Bit(int64(off1) + int64(off2))) {
  8170  			break
  8171  		}
  8172  		v.reset(Op386SUBSSload)
  8173  		v.AuxInt = int32ToAuxInt(off1 + off2)
  8174  		v.Aux = symToAux(sym)
  8175  		v.AddArg3(val, base, mem)
  8176  		return true
  8177  	}
  8178  	// match: (SUBSSload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  8179  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  8180  	// result: (SUBSSload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  8181  	for {
  8182  		off1 := auxIntToInt32(v.AuxInt)
  8183  		sym1 := auxToSym(v.Aux)
  8184  		val := v_0
  8185  		if v_1.Op != Op386LEAL {
  8186  			break
  8187  		}
  8188  		off2 := auxIntToInt32(v_1.AuxInt)
  8189  		sym2 := auxToSym(v_1.Aux)
  8190  		base := v_1.Args[0]
  8191  		mem := v_2
  8192  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  8193  			break
  8194  		}
  8195  		v.reset(Op386SUBSSload)
  8196  		v.AuxInt = int32ToAuxInt(off1 + off2)
  8197  		v.Aux = symToAux(mergeSym(sym1, sym2))
  8198  		v.AddArg3(val, base, mem)
  8199  		return true
  8200  	}
  8201  	return false
  8202  }
  8203  func rewriteValue386_Op386XORL(v *Value) bool {
  8204  	v_1 := v.Args[1]
  8205  	v_0 := v.Args[0]
  8206  	// match: (XORL x (MOVLconst [c]))
  8207  	// result: (XORLconst [c] x)
  8208  	for {
  8209  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  8210  			x := v_0
  8211  			if v_1.Op != Op386MOVLconst {
  8212  				continue
  8213  			}
  8214  			c := auxIntToInt32(v_1.AuxInt)
  8215  			v.reset(Op386XORLconst)
  8216  			v.AuxInt = int32ToAuxInt(c)
  8217  			v.AddArg(x)
  8218  			return true
  8219  		}
  8220  		break
  8221  	}
  8222  	// match: (XORL x l:(MOVLload [off] {sym} ptr mem))
  8223  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  8224  	// result: (XORLload x [off] {sym} ptr mem)
  8225  	for {
  8226  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  8227  			x := v_0
  8228  			l := v_1
  8229  			if l.Op != Op386MOVLload {
  8230  				continue
  8231  			}
  8232  			off := auxIntToInt32(l.AuxInt)
  8233  			sym := auxToSym(l.Aux)
  8234  			mem := l.Args[1]
  8235  			ptr := l.Args[0]
  8236  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  8237  				continue
  8238  			}
  8239  			v.reset(Op386XORLload)
  8240  			v.AuxInt = int32ToAuxInt(off)
  8241  			v.Aux = symToAux(sym)
  8242  			v.AddArg3(x, ptr, mem)
  8243  			return true
  8244  		}
  8245  		break
  8246  	}
  8247  	// match: (XORL x x)
  8248  	// result: (MOVLconst [0])
  8249  	for {
  8250  		x := v_0
  8251  		if x != v_1 {
  8252  			break
  8253  		}
  8254  		v.reset(Op386MOVLconst)
  8255  		v.AuxInt = int32ToAuxInt(0)
  8256  		return true
  8257  	}
  8258  	return false
  8259  }
  8260  func rewriteValue386_Op386XORLconst(v *Value) bool {
  8261  	v_0 := v.Args[0]
  8262  	// match: (XORLconst [c] (XORLconst [d] x))
  8263  	// result: (XORLconst [c ^ d] x)
  8264  	for {
  8265  		c := auxIntToInt32(v.AuxInt)
  8266  		if v_0.Op != Op386XORLconst {
  8267  			break
  8268  		}
  8269  		d := auxIntToInt32(v_0.AuxInt)
  8270  		x := v_0.Args[0]
  8271  		v.reset(Op386XORLconst)
  8272  		v.AuxInt = int32ToAuxInt(c ^ d)
  8273  		v.AddArg(x)
  8274  		return true
  8275  	}
  8276  	// match: (XORLconst [c] x)
  8277  	// cond: c==0
  8278  	// result: x
  8279  	for {
  8280  		c := auxIntToInt32(v.AuxInt)
  8281  		x := v_0
  8282  		if !(c == 0) {
  8283  			break
  8284  		}
  8285  		v.copyOf(x)
  8286  		return true
  8287  	}
  8288  	// match: (XORLconst [c] (MOVLconst [d]))
  8289  	// result: (MOVLconst [c^d])
  8290  	for {
  8291  		c := auxIntToInt32(v.AuxInt)
  8292  		if v_0.Op != Op386MOVLconst {
  8293  			break
  8294  		}
  8295  		d := auxIntToInt32(v_0.AuxInt)
  8296  		v.reset(Op386MOVLconst)
  8297  		v.AuxInt = int32ToAuxInt(c ^ d)
  8298  		return true
  8299  	}
  8300  	return false
  8301  }
  8302  func rewriteValue386_Op386XORLconstmodify(v *Value) bool {
  8303  	v_1 := v.Args[1]
  8304  	v_0 := v.Args[0]
  8305  	b := v.Block
  8306  	config := b.Func.Config
  8307  	// match: (XORLconstmodify [valoff1] {sym} (ADDLconst [off2] base) mem)
  8308  	// cond: valoff1.canAdd32(off2)
  8309  	// result: (XORLconstmodify [valoff1.addOffset32(off2)] {sym} base mem)
  8310  	for {
  8311  		valoff1 := auxIntToValAndOff(v.AuxInt)
  8312  		sym := auxToSym(v.Aux)
  8313  		if v_0.Op != Op386ADDLconst {
  8314  			break
  8315  		}
  8316  		off2 := auxIntToInt32(v_0.AuxInt)
  8317  		base := v_0.Args[0]
  8318  		mem := v_1
  8319  		if !(valoff1.canAdd32(off2)) {
  8320  			break
  8321  		}
  8322  		v.reset(Op386XORLconstmodify)
  8323  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  8324  		v.Aux = symToAux(sym)
  8325  		v.AddArg2(base, mem)
  8326  		return true
  8327  	}
  8328  	// match: (XORLconstmodify [valoff1] {sym1} (LEAL [off2] {sym2} base) mem)
  8329  	// cond: valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  8330  	// result: (XORLconstmodify [valoff1.addOffset32(off2)] {mergeSym(sym1,sym2)} base mem)
  8331  	for {
  8332  		valoff1 := auxIntToValAndOff(v.AuxInt)
  8333  		sym1 := auxToSym(v.Aux)
  8334  		if v_0.Op != Op386LEAL {
  8335  			break
  8336  		}
  8337  		off2 := auxIntToInt32(v_0.AuxInt)
  8338  		sym2 := auxToSym(v_0.Aux)
  8339  		base := v_0.Args[0]
  8340  		mem := v_1
  8341  		if !(valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  8342  			break
  8343  		}
  8344  		v.reset(Op386XORLconstmodify)
  8345  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  8346  		v.Aux = symToAux(mergeSym(sym1, sym2))
  8347  		v.AddArg2(base, mem)
  8348  		return true
  8349  	}
  8350  	return false
  8351  }
  8352  func rewriteValue386_Op386XORLload(v *Value) bool {
  8353  	v_2 := v.Args[2]
  8354  	v_1 := v.Args[1]
  8355  	v_0 := v.Args[0]
  8356  	b := v.Block
  8357  	config := b.Func.Config
  8358  	// match: (XORLload [off1] {sym} val (ADDLconst [off2] base) mem)
  8359  	// cond: is32Bit(int64(off1)+int64(off2))
  8360  	// result: (XORLload [off1+off2] {sym} val base mem)
  8361  	for {
  8362  		off1 := auxIntToInt32(v.AuxInt)
  8363  		sym := auxToSym(v.Aux)
  8364  		val := v_0
  8365  		if v_1.Op != Op386ADDLconst {
  8366  			break
  8367  		}
  8368  		off2 := auxIntToInt32(v_1.AuxInt)
  8369  		base := v_1.Args[0]
  8370  		mem := v_2
  8371  		if !(is32Bit(int64(off1) + int64(off2))) {
  8372  			break
  8373  		}
  8374  		v.reset(Op386XORLload)
  8375  		v.AuxInt = int32ToAuxInt(off1 + off2)
  8376  		v.Aux = symToAux(sym)
  8377  		v.AddArg3(val, base, mem)
  8378  		return true
  8379  	}
  8380  	// match: (XORLload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  8381  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  8382  	// result: (XORLload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  8383  	for {
  8384  		off1 := auxIntToInt32(v.AuxInt)
  8385  		sym1 := auxToSym(v.Aux)
  8386  		val := v_0
  8387  		if v_1.Op != Op386LEAL {
  8388  			break
  8389  		}
  8390  		off2 := auxIntToInt32(v_1.AuxInt)
  8391  		sym2 := auxToSym(v_1.Aux)
  8392  		base := v_1.Args[0]
  8393  		mem := v_2
  8394  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  8395  			break
  8396  		}
  8397  		v.reset(Op386XORLload)
  8398  		v.AuxInt = int32ToAuxInt(off1 + off2)
  8399  		v.Aux = symToAux(mergeSym(sym1, sym2))
  8400  		v.AddArg3(val, base, mem)
  8401  		return true
  8402  	}
  8403  	return false
  8404  }
  8405  func rewriteValue386_Op386XORLmodify(v *Value) bool {
  8406  	v_2 := v.Args[2]
  8407  	v_1 := v.Args[1]
  8408  	v_0 := v.Args[0]
  8409  	b := v.Block
  8410  	config := b.Func.Config
  8411  	// match: (XORLmodify [off1] {sym} (ADDLconst [off2] base) val mem)
  8412  	// cond: is32Bit(int64(off1)+int64(off2))
  8413  	// result: (XORLmodify [off1+off2] {sym} base val mem)
  8414  	for {
  8415  		off1 := auxIntToInt32(v.AuxInt)
  8416  		sym := auxToSym(v.Aux)
  8417  		if v_0.Op != Op386ADDLconst {
  8418  			break
  8419  		}
  8420  		off2 := auxIntToInt32(v_0.AuxInt)
  8421  		base := v_0.Args[0]
  8422  		val := v_1
  8423  		mem := v_2
  8424  		if !(is32Bit(int64(off1) + int64(off2))) {
  8425  			break
  8426  		}
  8427  		v.reset(Op386XORLmodify)
  8428  		v.AuxInt = int32ToAuxInt(off1 + off2)
  8429  		v.Aux = symToAux(sym)
  8430  		v.AddArg3(base, val, mem)
  8431  		return true
  8432  	}
  8433  	// match: (XORLmodify [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  8434  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  8435  	// result: (XORLmodify [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  8436  	for {
  8437  		off1 := auxIntToInt32(v.AuxInt)
  8438  		sym1 := auxToSym(v.Aux)
  8439  		if v_0.Op != Op386LEAL {
  8440  			break
  8441  		}
  8442  		off2 := auxIntToInt32(v_0.AuxInt)
  8443  		sym2 := auxToSym(v_0.Aux)
  8444  		base := v_0.Args[0]
  8445  		val := v_1
  8446  		mem := v_2
  8447  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  8448  			break
  8449  		}
  8450  		v.reset(Op386XORLmodify)
  8451  		v.AuxInt = int32ToAuxInt(off1 + off2)
  8452  		v.Aux = symToAux(mergeSym(sym1, sym2))
  8453  		v.AddArg3(base, val, mem)
  8454  		return true
  8455  	}
  8456  	return false
  8457  }
  8458  func rewriteValue386_OpAddr(v *Value) bool {
  8459  	v_0 := v.Args[0]
  8460  	// match: (Addr {sym} base)
  8461  	// result: (LEAL {sym} base)
  8462  	for {
  8463  		sym := auxToSym(v.Aux)
  8464  		base := v_0
  8465  		v.reset(Op386LEAL)
  8466  		v.Aux = symToAux(sym)
  8467  		v.AddArg(base)
  8468  		return true
  8469  	}
  8470  }
  8471  func rewriteValue386_OpConst16(v *Value) bool {
  8472  	// match: (Const16 [c])
  8473  	// result: (MOVLconst [int32(c)])
  8474  	for {
  8475  		c := auxIntToInt16(v.AuxInt)
  8476  		v.reset(Op386MOVLconst)
  8477  		v.AuxInt = int32ToAuxInt(int32(c))
  8478  		return true
  8479  	}
  8480  }
  8481  func rewriteValue386_OpConst8(v *Value) bool {
  8482  	// match: (Const8 [c])
  8483  	// result: (MOVLconst [int32(c)])
  8484  	for {
  8485  		c := auxIntToInt8(v.AuxInt)
  8486  		v.reset(Op386MOVLconst)
  8487  		v.AuxInt = int32ToAuxInt(int32(c))
  8488  		return true
  8489  	}
  8490  }
  8491  func rewriteValue386_OpConstBool(v *Value) bool {
  8492  	// match: (ConstBool [c])
  8493  	// result: (MOVLconst [b2i32(c)])
  8494  	for {
  8495  		c := auxIntToBool(v.AuxInt)
  8496  		v.reset(Op386MOVLconst)
  8497  		v.AuxInt = int32ToAuxInt(b2i32(c))
  8498  		return true
  8499  	}
  8500  }
  8501  func rewriteValue386_OpConstNil(v *Value) bool {
  8502  	// match: (ConstNil)
  8503  	// result: (MOVLconst [0])
  8504  	for {
  8505  		v.reset(Op386MOVLconst)
  8506  		v.AuxInt = int32ToAuxInt(0)
  8507  		return true
  8508  	}
  8509  }
  8510  func rewriteValue386_OpCtz16(v *Value) bool {
  8511  	v_0 := v.Args[0]
  8512  	b := v.Block
  8513  	typ := &b.Func.Config.Types
  8514  	// match: (Ctz16 x)
  8515  	// result: (BSFL (ORLconst <typ.UInt32> [0x10000] x))
  8516  	for {
  8517  		x := v_0
  8518  		v.reset(Op386BSFL)
  8519  		v0 := b.NewValue0(v.Pos, Op386ORLconst, typ.UInt32)
  8520  		v0.AuxInt = int32ToAuxInt(0x10000)
  8521  		v0.AddArg(x)
  8522  		v.AddArg(v0)
  8523  		return true
  8524  	}
  8525  }
  8526  func rewriteValue386_OpDiv8(v *Value) bool {
  8527  	v_1 := v.Args[1]
  8528  	v_0 := v.Args[0]
  8529  	b := v.Block
  8530  	typ := &b.Func.Config.Types
  8531  	// match: (Div8 x y)
  8532  	// result: (DIVW (SignExt8to16 x) (SignExt8to16 y))
  8533  	for {
  8534  		x := v_0
  8535  		y := v_1
  8536  		v.reset(Op386DIVW)
  8537  		v0 := b.NewValue0(v.Pos, OpSignExt8to16, typ.Int16)
  8538  		v0.AddArg(x)
  8539  		v1 := b.NewValue0(v.Pos, OpSignExt8to16, typ.Int16)
  8540  		v1.AddArg(y)
  8541  		v.AddArg2(v0, v1)
  8542  		return true
  8543  	}
  8544  }
  8545  func rewriteValue386_OpDiv8u(v *Value) bool {
  8546  	v_1 := v.Args[1]
  8547  	v_0 := v.Args[0]
  8548  	b := v.Block
  8549  	typ := &b.Func.Config.Types
  8550  	// match: (Div8u x y)
  8551  	// result: (DIVWU (ZeroExt8to16 x) (ZeroExt8to16 y))
  8552  	for {
  8553  		x := v_0
  8554  		y := v_1
  8555  		v.reset(Op386DIVWU)
  8556  		v0 := b.NewValue0(v.Pos, OpZeroExt8to16, typ.UInt16)
  8557  		v0.AddArg(x)
  8558  		v1 := b.NewValue0(v.Pos, OpZeroExt8to16, typ.UInt16)
  8559  		v1.AddArg(y)
  8560  		v.AddArg2(v0, v1)
  8561  		return true
  8562  	}
  8563  }
  8564  func rewriteValue386_OpEq16(v *Value) bool {
  8565  	v_1 := v.Args[1]
  8566  	v_0 := v.Args[0]
  8567  	b := v.Block
  8568  	// match: (Eq16 x y)
  8569  	// result: (SETEQ (CMPW x y))
  8570  	for {
  8571  		x := v_0
  8572  		y := v_1
  8573  		v.reset(Op386SETEQ)
  8574  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  8575  		v0.AddArg2(x, y)
  8576  		v.AddArg(v0)
  8577  		return true
  8578  	}
  8579  }
  8580  func rewriteValue386_OpEq32(v *Value) bool {
  8581  	v_1 := v.Args[1]
  8582  	v_0 := v.Args[0]
  8583  	b := v.Block
  8584  	// match: (Eq32 x y)
  8585  	// result: (SETEQ (CMPL x y))
  8586  	for {
  8587  		x := v_0
  8588  		y := v_1
  8589  		v.reset(Op386SETEQ)
  8590  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  8591  		v0.AddArg2(x, y)
  8592  		v.AddArg(v0)
  8593  		return true
  8594  	}
  8595  }
  8596  func rewriteValue386_OpEq32F(v *Value) bool {
  8597  	v_1 := v.Args[1]
  8598  	v_0 := v.Args[0]
  8599  	b := v.Block
  8600  	// match: (Eq32F x y)
  8601  	// result: (SETEQF (UCOMISS x y))
  8602  	for {
  8603  		x := v_0
  8604  		y := v_1
  8605  		v.reset(Op386SETEQF)
  8606  		v0 := b.NewValue0(v.Pos, Op386UCOMISS, types.TypeFlags)
  8607  		v0.AddArg2(x, y)
  8608  		v.AddArg(v0)
  8609  		return true
  8610  	}
  8611  }
  8612  func rewriteValue386_OpEq64F(v *Value) bool {
  8613  	v_1 := v.Args[1]
  8614  	v_0 := v.Args[0]
  8615  	b := v.Block
  8616  	// match: (Eq64F x y)
  8617  	// result: (SETEQF (UCOMISD x y))
  8618  	for {
  8619  		x := v_0
  8620  		y := v_1
  8621  		v.reset(Op386SETEQF)
  8622  		v0 := b.NewValue0(v.Pos, Op386UCOMISD, types.TypeFlags)
  8623  		v0.AddArg2(x, y)
  8624  		v.AddArg(v0)
  8625  		return true
  8626  	}
  8627  }
  8628  func rewriteValue386_OpEq8(v *Value) bool {
  8629  	v_1 := v.Args[1]
  8630  	v_0 := v.Args[0]
  8631  	b := v.Block
  8632  	// match: (Eq8 x y)
  8633  	// result: (SETEQ (CMPB x y))
  8634  	for {
  8635  		x := v_0
  8636  		y := v_1
  8637  		v.reset(Op386SETEQ)
  8638  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  8639  		v0.AddArg2(x, y)
  8640  		v.AddArg(v0)
  8641  		return true
  8642  	}
  8643  }
  8644  func rewriteValue386_OpEqB(v *Value) bool {
  8645  	v_1 := v.Args[1]
  8646  	v_0 := v.Args[0]
  8647  	b := v.Block
  8648  	// match: (EqB x y)
  8649  	// result: (SETEQ (CMPB x y))
  8650  	for {
  8651  		x := v_0
  8652  		y := v_1
  8653  		v.reset(Op386SETEQ)
  8654  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  8655  		v0.AddArg2(x, y)
  8656  		v.AddArg(v0)
  8657  		return true
  8658  	}
  8659  }
  8660  func rewriteValue386_OpEqPtr(v *Value) bool {
  8661  	v_1 := v.Args[1]
  8662  	v_0 := v.Args[0]
  8663  	b := v.Block
  8664  	// match: (EqPtr x y)
  8665  	// result: (SETEQ (CMPL x y))
  8666  	for {
  8667  		x := v_0
  8668  		y := v_1
  8669  		v.reset(Op386SETEQ)
  8670  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  8671  		v0.AddArg2(x, y)
  8672  		v.AddArg(v0)
  8673  		return true
  8674  	}
  8675  }
  8676  func rewriteValue386_OpIsInBounds(v *Value) bool {
  8677  	v_1 := v.Args[1]
  8678  	v_0 := v.Args[0]
  8679  	b := v.Block
  8680  	// match: (IsInBounds idx len)
  8681  	// result: (SETB (CMPL idx len))
  8682  	for {
  8683  		idx := v_0
  8684  		len := v_1
  8685  		v.reset(Op386SETB)
  8686  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  8687  		v0.AddArg2(idx, len)
  8688  		v.AddArg(v0)
  8689  		return true
  8690  	}
  8691  }
  8692  func rewriteValue386_OpIsNonNil(v *Value) bool {
  8693  	v_0 := v.Args[0]
  8694  	b := v.Block
  8695  	// match: (IsNonNil p)
  8696  	// result: (SETNE (TESTL p p))
  8697  	for {
  8698  		p := v_0
  8699  		v.reset(Op386SETNE)
  8700  		v0 := b.NewValue0(v.Pos, Op386TESTL, types.TypeFlags)
  8701  		v0.AddArg2(p, p)
  8702  		v.AddArg(v0)
  8703  		return true
  8704  	}
  8705  }
  8706  func rewriteValue386_OpIsSliceInBounds(v *Value) bool {
  8707  	v_1 := v.Args[1]
  8708  	v_0 := v.Args[0]
  8709  	b := v.Block
  8710  	// match: (IsSliceInBounds idx len)
  8711  	// result: (SETBE (CMPL idx len))
  8712  	for {
  8713  		idx := v_0
  8714  		len := v_1
  8715  		v.reset(Op386SETBE)
  8716  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  8717  		v0.AddArg2(idx, len)
  8718  		v.AddArg(v0)
  8719  		return true
  8720  	}
  8721  }
  8722  func rewriteValue386_OpLeq16(v *Value) bool {
  8723  	v_1 := v.Args[1]
  8724  	v_0 := v.Args[0]
  8725  	b := v.Block
  8726  	// match: (Leq16 x y)
  8727  	// result: (SETLE (CMPW x y))
  8728  	for {
  8729  		x := v_0
  8730  		y := v_1
  8731  		v.reset(Op386SETLE)
  8732  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  8733  		v0.AddArg2(x, y)
  8734  		v.AddArg(v0)
  8735  		return true
  8736  	}
  8737  }
  8738  func rewriteValue386_OpLeq16U(v *Value) bool {
  8739  	v_1 := v.Args[1]
  8740  	v_0 := v.Args[0]
  8741  	b := v.Block
  8742  	// match: (Leq16U x y)
  8743  	// result: (SETBE (CMPW x y))
  8744  	for {
  8745  		x := v_0
  8746  		y := v_1
  8747  		v.reset(Op386SETBE)
  8748  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  8749  		v0.AddArg2(x, y)
  8750  		v.AddArg(v0)
  8751  		return true
  8752  	}
  8753  }
  8754  func rewriteValue386_OpLeq32(v *Value) bool {
  8755  	v_1 := v.Args[1]
  8756  	v_0 := v.Args[0]
  8757  	b := v.Block
  8758  	// match: (Leq32 x y)
  8759  	// result: (SETLE (CMPL x y))
  8760  	for {
  8761  		x := v_0
  8762  		y := v_1
  8763  		v.reset(Op386SETLE)
  8764  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  8765  		v0.AddArg2(x, y)
  8766  		v.AddArg(v0)
  8767  		return true
  8768  	}
  8769  }
  8770  func rewriteValue386_OpLeq32F(v *Value) bool {
  8771  	v_1 := v.Args[1]
  8772  	v_0 := v.Args[0]
  8773  	b := v.Block
  8774  	// match: (Leq32F x y)
  8775  	// result: (SETGEF (UCOMISS y x))
  8776  	for {
  8777  		x := v_0
  8778  		y := v_1
  8779  		v.reset(Op386SETGEF)
  8780  		v0 := b.NewValue0(v.Pos, Op386UCOMISS, types.TypeFlags)
  8781  		v0.AddArg2(y, x)
  8782  		v.AddArg(v0)
  8783  		return true
  8784  	}
  8785  }
  8786  func rewriteValue386_OpLeq32U(v *Value) bool {
  8787  	v_1 := v.Args[1]
  8788  	v_0 := v.Args[0]
  8789  	b := v.Block
  8790  	// match: (Leq32U x y)
  8791  	// result: (SETBE (CMPL x y))
  8792  	for {
  8793  		x := v_0
  8794  		y := v_1
  8795  		v.reset(Op386SETBE)
  8796  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  8797  		v0.AddArg2(x, y)
  8798  		v.AddArg(v0)
  8799  		return true
  8800  	}
  8801  }
  8802  func rewriteValue386_OpLeq64F(v *Value) bool {
  8803  	v_1 := v.Args[1]
  8804  	v_0 := v.Args[0]
  8805  	b := v.Block
  8806  	// match: (Leq64F x y)
  8807  	// result: (SETGEF (UCOMISD y x))
  8808  	for {
  8809  		x := v_0
  8810  		y := v_1
  8811  		v.reset(Op386SETGEF)
  8812  		v0 := b.NewValue0(v.Pos, Op386UCOMISD, types.TypeFlags)
  8813  		v0.AddArg2(y, x)
  8814  		v.AddArg(v0)
  8815  		return true
  8816  	}
  8817  }
  8818  func rewriteValue386_OpLeq8(v *Value) bool {
  8819  	v_1 := v.Args[1]
  8820  	v_0 := v.Args[0]
  8821  	b := v.Block
  8822  	// match: (Leq8 x y)
  8823  	// result: (SETLE (CMPB x y))
  8824  	for {
  8825  		x := v_0
  8826  		y := v_1
  8827  		v.reset(Op386SETLE)
  8828  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  8829  		v0.AddArg2(x, y)
  8830  		v.AddArg(v0)
  8831  		return true
  8832  	}
  8833  }
  8834  func rewriteValue386_OpLeq8U(v *Value) bool {
  8835  	v_1 := v.Args[1]
  8836  	v_0 := v.Args[0]
  8837  	b := v.Block
  8838  	// match: (Leq8U x y)
  8839  	// result: (SETBE (CMPB x y))
  8840  	for {
  8841  		x := v_0
  8842  		y := v_1
  8843  		v.reset(Op386SETBE)
  8844  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  8845  		v0.AddArg2(x, y)
  8846  		v.AddArg(v0)
  8847  		return true
  8848  	}
  8849  }
  8850  func rewriteValue386_OpLess16(v *Value) bool {
  8851  	v_1 := v.Args[1]
  8852  	v_0 := v.Args[0]
  8853  	b := v.Block
  8854  	// match: (Less16 x y)
  8855  	// result: (SETL (CMPW x y))
  8856  	for {
  8857  		x := v_0
  8858  		y := v_1
  8859  		v.reset(Op386SETL)
  8860  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  8861  		v0.AddArg2(x, y)
  8862  		v.AddArg(v0)
  8863  		return true
  8864  	}
  8865  }
  8866  func rewriteValue386_OpLess16U(v *Value) bool {
  8867  	v_1 := v.Args[1]
  8868  	v_0 := v.Args[0]
  8869  	b := v.Block
  8870  	// match: (Less16U x y)
  8871  	// result: (SETB (CMPW x y))
  8872  	for {
  8873  		x := v_0
  8874  		y := v_1
  8875  		v.reset(Op386SETB)
  8876  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  8877  		v0.AddArg2(x, y)
  8878  		v.AddArg(v0)
  8879  		return true
  8880  	}
  8881  }
  8882  func rewriteValue386_OpLess32(v *Value) bool {
  8883  	v_1 := v.Args[1]
  8884  	v_0 := v.Args[0]
  8885  	b := v.Block
  8886  	// match: (Less32 x y)
  8887  	// result: (SETL (CMPL x y))
  8888  	for {
  8889  		x := v_0
  8890  		y := v_1
  8891  		v.reset(Op386SETL)
  8892  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  8893  		v0.AddArg2(x, y)
  8894  		v.AddArg(v0)
  8895  		return true
  8896  	}
  8897  }
  8898  func rewriteValue386_OpLess32F(v *Value) bool {
  8899  	v_1 := v.Args[1]
  8900  	v_0 := v.Args[0]
  8901  	b := v.Block
  8902  	// match: (Less32F x y)
  8903  	// result: (SETGF (UCOMISS y x))
  8904  	for {
  8905  		x := v_0
  8906  		y := v_1
  8907  		v.reset(Op386SETGF)
  8908  		v0 := b.NewValue0(v.Pos, Op386UCOMISS, types.TypeFlags)
  8909  		v0.AddArg2(y, x)
  8910  		v.AddArg(v0)
  8911  		return true
  8912  	}
  8913  }
  8914  func rewriteValue386_OpLess32U(v *Value) bool {
  8915  	v_1 := v.Args[1]
  8916  	v_0 := v.Args[0]
  8917  	b := v.Block
  8918  	// match: (Less32U x y)
  8919  	// result: (SETB (CMPL x y))
  8920  	for {
  8921  		x := v_0
  8922  		y := v_1
  8923  		v.reset(Op386SETB)
  8924  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  8925  		v0.AddArg2(x, y)
  8926  		v.AddArg(v0)
  8927  		return true
  8928  	}
  8929  }
  8930  func rewriteValue386_OpLess64F(v *Value) bool {
  8931  	v_1 := v.Args[1]
  8932  	v_0 := v.Args[0]
  8933  	b := v.Block
  8934  	// match: (Less64F x y)
  8935  	// result: (SETGF (UCOMISD y x))
  8936  	for {
  8937  		x := v_0
  8938  		y := v_1
  8939  		v.reset(Op386SETGF)
  8940  		v0 := b.NewValue0(v.Pos, Op386UCOMISD, types.TypeFlags)
  8941  		v0.AddArg2(y, x)
  8942  		v.AddArg(v0)
  8943  		return true
  8944  	}
  8945  }
  8946  func rewriteValue386_OpLess8(v *Value) bool {
  8947  	v_1 := v.Args[1]
  8948  	v_0 := v.Args[0]
  8949  	b := v.Block
  8950  	// match: (Less8 x y)
  8951  	// result: (SETL (CMPB x y))
  8952  	for {
  8953  		x := v_0
  8954  		y := v_1
  8955  		v.reset(Op386SETL)
  8956  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  8957  		v0.AddArg2(x, y)
  8958  		v.AddArg(v0)
  8959  		return true
  8960  	}
  8961  }
  8962  func rewriteValue386_OpLess8U(v *Value) bool {
  8963  	v_1 := v.Args[1]
  8964  	v_0 := v.Args[0]
  8965  	b := v.Block
  8966  	// match: (Less8U x y)
  8967  	// result: (SETB (CMPB x y))
  8968  	for {
  8969  		x := v_0
  8970  		y := v_1
  8971  		v.reset(Op386SETB)
  8972  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  8973  		v0.AddArg2(x, y)
  8974  		v.AddArg(v0)
  8975  		return true
  8976  	}
  8977  }
  8978  func rewriteValue386_OpLoad(v *Value) bool {
  8979  	v_1 := v.Args[1]
  8980  	v_0 := v.Args[0]
  8981  	// match: (Load <t> ptr mem)
  8982  	// cond: (is32BitInt(t) || isPtr(t))
  8983  	// result: (MOVLload ptr mem)
  8984  	for {
  8985  		t := v.Type
  8986  		ptr := v_0
  8987  		mem := v_1
  8988  		if !(is32BitInt(t) || isPtr(t)) {
  8989  			break
  8990  		}
  8991  		v.reset(Op386MOVLload)
  8992  		v.AddArg2(ptr, mem)
  8993  		return true
  8994  	}
  8995  	// match: (Load <t> ptr mem)
  8996  	// cond: is16BitInt(t)
  8997  	// result: (MOVWload ptr mem)
  8998  	for {
  8999  		t := v.Type
  9000  		ptr := v_0
  9001  		mem := v_1
  9002  		if !(is16BitInt(t)) {
  9003  			break
  9004  		}
  9005  		v.reset(Op386MOVWload)
  9006  		v.AddArg2(ptr, mem)
  9007  		return true
  9008  	}
  9009  	// match: (Load <t> ptr mem)
  9010  	// cond: (t.IsBoolean() || is8BitInt(t))
  9011  	// result: (MOVBload ptr mem)
  9012  	for {
  9013  		t := v.Type
  9014  		ptr := v_0
  9015  		mem := v_1
  9016  		if !(t.IsBoolean() || is8BitInt(t)) {
  9017  			break
  9018  		}
  9019  		v.reset(Op386MOVBload)
  9020  		v.AddArg2(ptr, mem)
  9021  		return true
  9022  	}
  9023  	// match: (Load <t> ptr mem)
  9024  	// cond: is32BitFloat(t)
  9025  	// result: (MOVSSload ptr mem)
  9026  	for {
  9027  		t := v.Type
  9028  		ptr := v_0
  9029  		mem := v_1
  9030  		if !(is32BitFloat(t)) {
  9031  			break
  9032  		}
  9033  		v.reset(Op386MOVSSload)
  9034  		v.AddArg2(ptr, mem)
  9035  		return true
  9036  	}
  9037  	// match: (Load <t> ptr mem)
  9038  	// cond: is64BitFloat(t)
  9039  	// result: (MOVSDload ptr mem)
  9040  	for {
  9041  		t := v.Type
  9042  		ptr := v_0
  9043  		mem := v_1
  9044  		if !(is64BitFloat(t)) {
  9045  			break
  9046  		}
  9047  		v.reset(Op386MOVSDload)
  9048  		v.AddArg2(ptr, mem)
  9049  		return true
  9050  	}
  9051  	return false
  9052  }
  9053  func rewriteValue386_OpLocalAddr(v *Value) bool {
  9054  	v_0 := v.Args[0]
  9055  	// match: (LocalAddr {sym} base _)
  9056  	// result: (LEAL {sym} base)
  9057  	for {
  9058  		sym := auxToSym(v.Aux)
  9059  		base := v_0
  9060  		v.reset(Op386LEAL)
  9061  		v.Aux = symToAux(sym)
  9062  		v.AddArg(base)
  9063  		return true
  9064  	}
  9065  }
  9066  func rewriteValue386_OpLsh16x16(v *Value) bool {
  9067  	v_1 := v.Args[1]
  9068  	v_0 := v.Args[0]
  9069  	b := v.Block
  9070  	// match: (Lsh16x16 <t> x y)
  9071  	// cond: !shiftIsBounded(v)
  9072  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPWconst y [32])))
  9073  	for {
  9074  		t := v.Type
  9075  		x := v_0
  9076  		y := v_1
  9077  		if !(!shiftIsBounded(v)) {
  9078  			break
  9079  		}
  9080  		v.reset(Op386ANDL)
  9081  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  9082  		v0.AddArg2(x, y)
  9083  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9084  		v2 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  9085  		v2.AuxInt = int16ToAuxInt(32)
  9086  		v2.AddArg(y)
  9087  		v1.AddArg(v2)
  9088  		v.AddArg2(v0, v1)
  9089  		return true
  9090  	}
  9091  	// match: (Lsh16x16 <t> x y)
  9092  	// cond: shiftIsBounded(v)
  9093  	// result: (SHLL <t> x y)
  9094  	for {
  9095  		t := v.Type
  9096  		x := v_0
  9097  		y := v_1
  9098  		if !(shiftIsBounded(v)) {
  9099  			break
  9100  		}
  9101  		v.reset(Op386SHLL)
  9102  		v.Type = t
  9103  		v.AddArg2(x, y)
  9104  		return true
  9105  	}
  9106  	return false
  9107  }
  9108  func rewriteValue386_OpLsh16x32(v *Value) bool {
  9109  	v_1 := v.Args[1]
  9110  	v_0 := v.Args[0]
  9111  	b := v.Block
  9112  	// match: (Lsh16x32 <t> x y)
  9113  	// cond: !shiftIsBounded(v)
  9114  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPLconst y [32])))
  9115  	for {
  9116  		t := v.Type
  9117  		x := v_0
  9118  		y := v_1
  9119  		if !(!shiftIsBounded(v)) {
  9120  			break
  9121  		}
  9122  		v.reset(Op386ANDL)
  9123  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  9124  		v0.AddArg2(x, y)
  9125  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9126  		v2 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  9127  		v2.AuxInt = int32ToAuxInt(32)
  9128  		v2.AddArg(y)
  9129  		v1.AddArg(v2)
  9130  		v.AddArg2(v0, v1)
  9131  		return true
  9132  	}
  9133  	// match: (Lsh16x32 <t> x y)
  9134  	// cond: shiftIsBounded(v)
  9135  	// result: (SHLL <t> x y)
  9136  	for {
  9137  		t := v.Type
  9138  		x := v_0
  9139  		y := v_1
  9140  		if !(shiftIsBounded(v)) {
  9141  			break
  9142  		}
  9143  		v.reset(Op386SHLL)
  9144  		v.Type = t
  9145  		v.AddArg2(x, y)
  9146  		return true
  9147  	}
  9148  	return false
  9149  }
  9150  func rewriteValue386_OpLsh16x64(v *Value) bool {
  9151  	v_1 := v.Args[1]
  9152  	v_0 := v.Args[0]
  9153  	// match: (Lsh16x64 x (Const64 [c]))
  9154  	// cond: uint64(c) < 16
  9155  	// result: (SHLLconst x [int32(c)])
  9156  	for {
  9157  		x := v_0
  9158  		if v_1.Op != OpConst64 {
  9159  			break
  9160  		}
  9161  		c := auxIntToInt64(v_1.AuxInt)
  9162  		if !(uint64(c) < 16) {
  9163  			break
  9164  		}
  9165  		v.reset(Op386SHLLconst)
  9166  		v.AuxInt = int32ToAuxInt(int32(c))
  9167  		v.AddArg(x)
  9168  		return true
  9169  	}
  9170  	// match: (Lsh16x64 _ (Const64 [c]))
  9171  	// cond: uint64(c) >= 16
  9172  	// result: (Const16 [0])
  9173  	for {
  9174  		if v_1.Op != OpConst64 {
  9175  			break
  9176  		}
  9177  		c := auxIntToInt64(v_1.AuxInt)
  9178  		if !(uint64(c) >= 16) {
  9179  			break
  9180  		}
  9181  		v.reset(OpConst16)
  9182  		v.AuxInt = int16ToAuxInt(0)
  9183  		return true
  9184  	}
  9185  	return false
  9186  }
  9187  func rewriteValue386_OpLsh16x8(v *Value) bool {
  9188  	v_1 := v.Args[1]
  9189  	v_0 := v.Args[0]
  9190  	b := v.Block
  9191  	// match: (Lsh16x8 <t> x y)
  9192  	// cond: !shiftIsBounded(v)
  9193  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPBconst y [32])))
  9194  	for {
  9195  		t := v.Type
  9196  		x := v_0
  9197  		y := v_1
  9198  		if !(!shiftIsBounded(v)) {
  9199  			break
  9200  		}
  9201  		v.reset(Op386ANDL)
  9202  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  9203  		v0.AddArg2(x, y)
  9204  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9205  		v2 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
  9206  		v2.AuxInt = int8ToAuxInt(32)
  9207  		v2.AddArg(y)
  9208  		v1.AddArg(v2)
  9209  		v.AddArg2(v0, v1)
  9210  		return true
  9211  	}
  9212  	// match: (Lsh16x8 <t> x y)
  9213  	// cond: shiftIsBounded(v)
  9214  	// result: (SHLL <t> x y)
  9215  	for {
  9216  		t := v.Type
  9217  		x := v_0
  9218  		y := v_1
  9219  		if !(shiftIsBounded(v)) {
  9220  			break
  9221  		}
  9222  		v.reset(Op386SHLL)
  9223  		v.Type = t
  9224  		v.AddArg2(x, y)
  9225  		return true
  9226  	}
  9227  	return false
  9228  }
  9229  func rewriteValue386_OpLsh32x16(v *Value) bool {
  9230  	v_1 := v.Args[1]
  9231  	v_0 := v.Args[0]
  9232  	b := v.Block
  9233  	// match: (Lsh32x16 <t> x y)
  9234  	// cond: !shiftIsBounded(v)
  9235  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPWconst y [32])))
  9236  	for {
  9237  		t := v.Type
  9238  		x := v_0
  9239  		y := v_1
  9240  		if !(!shiftIsBounded(v)) {
  9241  			break
  9242  		}
  9243  		v.reset(Op386ANDL)
  9244  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  9245  		v0.AddArg2(x, y)
  9246  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9247  		v2 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  9248  		v2.AuxInt = int16ToAuxInt(32)
  9249  		v2.AddArg(y)
  9250  		v1.AddArg(v2)
  9251  		v.AddArg2(v0, v1)
  9252  		return true
  9253  	}
  9254  	// match: (Lsh32x16 <t> x y)
  9255  	// cond: shiftIsBounded(v)
  9256  	// result: (SHLL <t> x y)
  9257  	for {
  9258  		t := v.Type
  9259  		x := v_0
  9260  		y := v_1
  9261  		if !(shiftIsBounded(v)) {
  9262  			break
  9263  		}
  9264  		v.reset(Op386SHLL)
  9265  		v.Type = t
  9266  		v.AddArg2(x, y)
  9267  		return true
  9268  	}
  9269  	return false
  9270  }
  9271  func rewriteValue386_OpLsh32x32(v *Value) bool {
  9272  	v_1 := v.Args[1]
  9273  	v_0 := v.Args[0]
  9274  	b := v.Block
  9275  	// match: (Lsh32x32 <t> x y)
  9276  	// cond: !shiftIsBounded(v)
  9277  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPLconst y [32])))
  9278  	for {
  9279  		t := v.Type
  9280  		x := v_0
  9281  		y := v_1
  9282  		if !(!shiftIsBounded(v)) {
  9283  			break
  9284  		}
  9285  		v.reset(Op386ANDL)
  9286  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  9287  		v0.AddArg2(x, y)
  9288  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9289  		v2 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  9290  		v2.AuxInt = int32ToAuxInt(32)
  9291  		v2.AddArg(y)
  9292  		v1.AddArg(v2)
  9293  		v.AddArg2(v0, v1)
  9294  		return true
  9295  	}
  9296  	// match: (Lsh32x32 <t> x y)
  9297  	// cond: shiftIsBounded(v)
  9298  	// result: (SHLL <t> x y)
  9299  	for {
  9300  		t := v.Type
  9301  		x := v_0
  9302  		y := v_1
  9303  		if !(shiftIsBounded(v)) {
  9304  			break
  9305  		}
  9306  		v.reset(Op386SHLL)
  9307  		v.Type = t
  9308  		v.AddArg2(x, y)
  9309  		return true
  9310  	}
  9311  	return false
  9312  }
  9313  func rewriteValue386_OpLsh32x64(v *Value) bool {
  9314  	v_1 := v.Args[1]
  9315  	v_0 := v.Args[0]
  9316  	// match: (Lsh32x64 x (Const64 [c]))
  9317  	// cond: uint64(c) < 32
  9318  	// result: (SHLLconst x [int32(c)])
  9319  	for {
  9320  		x := v_0
  9321  		if v_1.Op != OpConst64 {
  9322  			break
  9323  		}
  9324  		c := auxIntToInt64(v_1.AuxInt)
  9325  		if !(uint64(c) < 32) {
  9326  			break
  9327  		}
  9328  		v.reset(Op386SHLLconst)
  9329  		v.AuxInt = int32ToAuxInt(int32(c))
  9330  		v.AddArg(x)
  9331  		return true
  9332  	}
  9333  	// match: (Lsh32x64 _ (Const64 [c]))
  9334  	// cond: uint64(c) >= 32
  9335  	// result: (Const32 [0])
  9336  	for {
  9337  		if v_1.Op != OpConst64 {
  9338  			break
  9339  		}
  9340  		c := auxIntToInt64(v_1.AuxInt)
  9341  		if !(uint64(c) >= 32) {
  9342  			break
  9343  		}
  9344  		v.reset(OpConst32)
  9345  		v.AuxInt = int32ToAuxInt(0)
  9346  		return true
  9347  	}
  9348  	return false
  9349  }
  9350  func rewriteValue386_OpLsh32x8(v *Value) bool {
  9351  	v_1 := v.Args[1]
  9352  	v_0 := v.Args[0]
  9353  	b := v.Block
  9354  	// match: (Lsh32x8 <t> x y)
  9355  	// cond: !shiftIsBounded(v)
  9356  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPBconst y [32])))
  9357  	for {
  9358  		t := v.Type
  9359  		x := v_0
  9360  		y := v_1
  9361  		if !(!shiftIsBounded(v)) {
  9362  			break
  9363  		}
  9364  		v.reset(Op386ANDL)
  9365  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  9366  		v0.AddArg2(x, y)
  9367  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9368  		v2 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
  9369  		v2.AuxInt = int8ToAuxInt(32)
  9370  		v2.AddArg(y)
  9371  		v1.AddArg(v2)
  9372  		v.AddArg2(v0, v1)
  9373  		return true
  9374  	}
  9375  	// match: (Lsh32x8 <t> x y)
  9376  	// cond: shiftIsBounded(v)
  9377  	// result: (SHLL <t> x y)
  9378  	for {
  9379  		t := v.Type
  9380  		x := v_0
  9381  		y := v_1
  9382  		if !(shiftIsBounded(v)) {
  9383  			break
  9384  		}
  9385  		v.reset(Op386SHLL)
  9386  		v.Type = t
  9387  		v.AddArg2(x, y)
  9388  		return true
  9389  	}
  9390  	return false
  9391  }
  9392  func rewriteValue386_OpLsh8x16(v *Value) bool {
  9393  	v_1 := v.Args[1]
  9394  	v_0 := v.Args[0]
  9395  	b := v.Block
  9396  	// match: (Lsh8x16 <t> x y)
  9397  	// cond: !shiftIsBounded(v)
  9398  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPWconst y [32])))
  9399  	for {
  9400  		t := v.Type
  9401  		x := v_0
  9402  		y := v_1
  9403  		if !(!shiftIsBounded(v)) {
  9404  			break
  9405  		}
  9406  		v.reset(Op386ANDL)
  9407  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  9408  		v0.AddArg2(x, y)
  9409  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9410  		v2 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  9411  		v2.AuxInt = int16ToAuxInt(32)
  9412  		v2.AddArg(y)
  9413  		v1.AddArg(v2)
  9414  		v.AddArg2(v0, v1)
  9415  		return true
  9416  	}
  9417  	// match: (Lsh8x16 <t> x y)
  9418  	// cond: shiftIsBounded(v)
  9419  	// result: (SHLL <t> x y)
  9420  	for {
  9421  		t := v.Type
  9422  		x := v_0
  9423  		y := v_1
  9424  		if !(shiftIsBounded(v)) {
  9425  			break
  9426  		}
  9427  		v.reset(Op386SHLL)
  9428  		v.Type = t
  9429  		v.AddArg2(x, y)
  9430  		return true
  9431  	}
  9432  	return false
  9433  }
  9434  func rewriteValue386_OpLsh8x32(v *Value) bool {
  9435  	v_1 := v.Args[1]
  9436  	v_0 := v.Args[0]
  9437  	b := v.Block
  9438  	// match: (Lsh8x32 <t> x y)
  9439  	// cond: !shiftIsBounded(v)
  9440  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPLconst y [32])))
  9441  	for {
  9442  		t := v.Type
  9443  		x := v_0
  9444  		y := v_1
  9445  		if !(!shiftIsBounded(v)) {
  9446  			break
  9447  		}
  9448  		v.reset(Op386ANDL)
  9449  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  9450  		v0.AddArg2(x, y)
  9451  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9452  		v2 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  9453  		v2.AuxInt = int32ToAuxInt(32)
  9454  		v2.AddArg(y)
  9455  		v1.AddArg(v2)
  9456  		v.AddArg2(v0, v1)
  9457  		return true
  9458  	}
  9459  	// match: (Lsh8x32 <t> x y)
  9460  	// cond: shiftIsBounded(v)
  9461  	// result: (SHLL <t> x y)
  9462  	for {
  9463  		t := v.Type
  9464  		x := v_0
  9465  		y := v_1
  9466  		if !(shiftIsBounded(v)) {
  9467  			break
  9468  		}
  9469  		v.reset(Op386SHLL)
  9470  		v.Type = t
  9471  		v.AddArg2(x, y)
  9472  		return true
  9473  	}
  9474  	return false
  9475  }
  9476  func rewriteValue386_OpLsh8x64(v *Value) bool {
  9477  	v_1 := v.Args[1]
  9478  	v_0 := v.Args[0]
  9479  	// match: (Lsh8x64 x (Const64 [c]))
  9480  	// cond: uint64(c) < 8
  9481  	// result: (SHLLconst x [int32(c)])
  9482  	for {
  9483  		x := v_0
  9484  		if v_1.Op != OpConst64 {
  9485  			break
  9486  		}
  9487  		c := auxIntToInt64(v_1.AuxInt)
  9488  		if !(uint64(c) < 8) {
  9489  			break
  9490  		}
  9491  		v.reset(Op386SHLLconst)
  9492  		v.AuxInt = int32ToAuxInt(int32(c))
  9493  		v.AddArg(x)
  9494  		return true
  9495  	}
  9496  	// match: (Lsh8x64 _ (Const64 [c]))
  9497  	// cond: uint64(c) >= 8
  9498  	// result: (Const8 [0])
  9499  	for {
  9500  		if v_1.Op != OpConst64 {
  9501  			break
  9502  		}
  9503  		c := auxIntToInt64(v_1.AuxInt)
  9504  		if !(uint64(c) >= 8) {
  9505  			break
  9506  		}
  9507  		v.reset(OpConst8)
  9508  		v.AuxInt = int8ToAuxInt(0)
  9509  		return true
  9510  	}
  9511  	return false
  9512  }
  9513  func rewriteValue386_OpLsh8x8(v *Value) bool {
  9514  	v_1 := v.Args[1]
  9515  	v_0 := v.Args[0]
  9516  	b := v.Block
  9517  	// match: (Lsh8x8 <t> x y)
  9518  	// cond: !shiftIsBounded(v)
  9519  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPBconst y [32])))
  9520  	for {
  9521  		t := v.Type
  9522  		x := v_0
  9523  		y := v_1
  9524  		if !(!shiftIsBounded(v)) {
  9525  			break
  9526  		}
  9527  		v.reset(Op386ANDL)
  9528  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  9529  		v0.AddArg2(x, y)
  9530  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9531  		v2 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
  9532  		v2.AuxInt = int8ToAuxInt(32)
  9533  		v2.AddArg(y)
  9534  		v1.AddArg(v2)
  9535  		v.AddArg2(v0, v1)
  9536  		return true
  9537  	}
  9538  	// match: (Lsh8x8 <t> x y)
  9539  	// cond: shiftIsBounded(v)
  9540  	// result: (SHLL <t> x y)
  9541  	for {
  9542  		t := v.Type
  9543  		x := v_0
  9544  		y := v_1
  9545  		if !(shiftIsBounded(v)) {
  9546  			break
  9547  		}
  9548  		v.reset(Op386SHLL)
  9549  		v.Type = t
  9550  		v.AddArg2(x, y)
  9551  		return true
  9552  	}
  9553  	return false
  9554  }
  9555  func rewriteValue386_OpMod8(v *Value) bool {
  9556  	v_1 := v.Args[1]
  9557  	v_0 := v.Args[0]
  9558  	b := v.Block
  9559  	typ := &b.Func.Config.Types
  9560  	// match: (Mod8 x y)
  9561  	// result: (MODW (SignExt8to16 x) (SignExt8to16 y))
  9562  	for {
  9563  		x := v_0
  9564  		y := v_1
  9565  		v.reset(Op386MODW)
  9566  		v0 := b.NewValue0(v.Pos, OpSignExt8to16, typ.Int16)
  9567  		v0.AddArg(x)
  9568  		v1 := b.NewValue0(v.Pos, OpSignExt8to16, typ.Int16)
  9569  		v1.AddArg(y)
  9570  		v.AddArg2(v0, v1)
  9571  		return true
  9572  	}
  9573  }
  9574  func rewriteValue386_OpMod8u(v *Value) bool {
  9575  	v_1 := v.Args[1]
  9576  	v_0 := v.Args[0]
  9577  	b := v.Block
  9578  	typ := &b.Func.Config.Types
  9579  	// match: (Mod8u x y)
  9580  	// result: (MODWU (ZeroExt8to16 x) (ZeroExt8to16 y))
  9581  	for {
  9582  		x := v_0
  9583  		y := v_1
  9584  		v.reset(Op386MODWU)
  9585  		v0 := b.NewValue0(v.Pos, OpZeroExt8to16, typ.UInt16)
  9586  		v0.AddArg(x)
  9587  		v1 := b.NewValue0(v.Pos, OpZeroExt8to16, typ.UInt16)
  9588  		v1.AddArg(y)
  9589  		v.AddArg2(v0, v1)
  9590  		return true
  9591  	}
  9592  }
  9593  func rewriteValue386_OpMove(v *Value) bool {
  9594  	v_2 := v.Args[2]
  9595  	v_1 := v.Args[1]
  9596  	v_0 := v.Args[0]
  9597  	b := v.Block
  9598  	config := b.Func.Config
  9599  	typ := &b.Func.Config.Types
  9600  	// match: (Move [0] _ _ mem)
  9601  	// result: mem
  9602  	for {
  9603  		if auxIntToInt64(v.AuxInt) != 0 {
  9604  			break
  9605  		}
  9606  		mem := v_2
  9607  		v.copyOf(mem)
  9608  		return true
  9609  	}
  9610  	// match: (Move [1] dst src mem)
  9611  	// result: (MOVBstore dst (MOVBload src mem) mem)
  9612  	for {
  9613  		if auxIntToInt64(v.AuxInt) != 1 {
  9614  			break
  9615  		}
  9616  		dst := v_0
  9617  		src := v_1
  9618  		mem := v_2
  9619  		v.reset(Op386MOVBstore)
  9620  		v0 := b.NewValue0(v.Pos, Op386MOVBload, typ.UInt8)
  9621  		v0.AddArg2(src, mem)
  9622  		v.AddArg3(dst, v0, mem)
  9623  		return true
  9624  	}
  9625  	// match: (Move [2] dst src mem)
  9626  	// result: (MOVWstore dst (MOVWload src mem) mem)
  9627  	for {
  9628  		if auxIntToInt64(v.AuxInt) != 2 {
  9629  			break
  9630  		}
  9631  		dst := v_0
  9632  		src := v_1
  9633  		mem := v_2
  9634  		v.reset(Op386MOVWstore)
  9635  		v0 := b.NewValue0(v.Pos, Op386MOVWload, typ.UInt16)
  9636  		v0.AddArg2(src, mem)
  9637  		v.AddArg3(dst, v0, mem)
  9638  		return true
  9639  	}
  9640  	// match: (Move [4] dst src mem)
  9641  	// result: (MOVLstore dst (MOVLload src mem) mem)
  9642  	for {
  9643  		if auxIntToInt64(v.AuxInt) != 4 {
  9644  			break
  9645  		}
  9646  		dst := v_0
  9647  		src := v_1
  9648  		mem := v_2
  9649  		v.reset(Op386MOVLstore)
  9650  		v0 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9651  		v0.AddArg2(src, mem)
  9652  		v.AddArg3(dst, v0, mem)
  9653  		return true
  9654  	}
  9655  	// match: (Move [3] dst src mem)
  9656  	// result: (MOVBstore [2] dst (MOVBload [2] src mem) (MOVWstore dst (MOVWload src mem) mem))
  9657  	for {
  9658  		if auxIntToInt64(v.AuxInt) != 3 {
  9659  			break
  9660  		}
  9661  		dst := v_0
  9662  		src := v_1
  9663  		mem := v_2
  9664  		v.reset(Op386MOVBstore)
  9665  		v.AuxInt = int32ToAuxInt(2)
  9666  		v0 := b.NewValue0(v.Pos, Op386MOVBload, typ.UInt8)
  9667  		v0.AuxInt = int32ToAuxInt(2)
  9668  		v0.AddArg2(src, mem)
  9669  		v1 := b.NewValue0(v.Pos, Op386MOVWstore, types.TypeMem)
  9670  		v2 := b.NewValue0(v.Pos, Op386MOVWload, typ.UInt16)
  9671  		v2.AddArg2(src, mem)
  9672  		v1.AddArg3(dst, v2, mem)
  9673  		v.AddArg3(dst, v0, v1)
  9674  		return true
  9675  	}
  9676  	// match: (Move [5] dst src mem)
  9677  	// result: (MOVBstore [4] dst (MOVBload [4] src mem) (MOVLstore dst (MOVLload src mem) mem))
  9678  	for {
  9679  		if auxIntToInt64(v.AuxInt) != 5 {
  9680  			break
  9681  		}
  9682  		dst := v_0
  9683  		src := v_1
  9684  		mem := v_2
  9685  		v.reset(Op386MOVBstore)
  9686  		v.AuxInt = int32ToAuxInt(4)
  9687  		v0 := b.NewValue0(v.Pos, Op386MOVBload, typ.UInt8)
  9688  		v0.AuxInt = int32ToAuxInt(4)
  9689  		v0.AddArg2(src, mem)
  9690  		v1 := b.NewValue0(v.Pos, Op386MOVLstore, types.TypeMem)
  9691  		v2 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9692  		v2.AddArg2(src, mem)
  9693  		v1.AddArg3(dst, v2, mem)
  9694  		v.AddArg3(dst, v0, v1)
  9695  		return true
  9696  	}
  9697  	// match: (Move [6] dst src mem)
  9698  	// result: (MOVWstore [4] dst (MOVWload [4] src mem) (MOVLstore dst (MOVLload src mem) mem))
  9699  	for {
  9700  		if auxIntToInt64(v.AuxInt) != 6 {
  9701  			break
  9702  		}
  9703  		dst := v_0
  9704  		src := v_1
  9705  		mem := v_2
  9706  		v.reset(Op386MOVWstore)
  9707  		v.AuxInt = int32ToAuxInt(4)
  9708  		v0 := b.NewValue0(v.Pos, Op386MOVWload, typ.UInt16)
  9709  		v0.AuxInt = int32ToAuxInt(4)
  9710  		v0.AddArg2(src, mem)
  9711  		v1 := b.NewValue0(v.Pos, Op386MOVLstore, types.TypeMem)
  9712  		v2 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9713  		v2.AddArg2(src, mem)
  9714  		v1.AddArg3(dst, v2, mem)
  9715  		v.AddArg3(dst, v0, v1)
  9716  		return true
  9717  	}
  9718  	// match: (Move [7] dst src mem)
  9719  	// result: (MOVLstore [3] dst (MOVLload [3] src mem) (MOVLstore dst (MOVLload src mem) mem))
  9720  	for {
  9721  		if auxIntToInt64(v.AuxInt) != 7 {
  9722  			break
  9723  		}
  9724  		dst := v_0
  9725  		src := v_1
  9726  		mem := v_2
  9727  		v.reset(Op386MOVLstore)
  9728  		v.AuxInt = int32ToAuxInt(3)
  9729  		v0 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9730  		v0.AuxInt = int32ToAuxInt(3)
  9731  		v0.AddArg2(src, mem)
  9732  		v1 := b.NewValue0(v.Pos, Op386MOVLstore, types.TypeMem)
  9733  		v2 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9734  		v2.AddArg2(src, mem)
  9735  		v1.AddArg3(dst, v2, mem)
  9736  		v.AddArg3(dst, v0, v1)
  9737  		return true
  9738  	}
  9739  	// match: (Move [8] dst src mem)
  9740  	// result: (MOVLstore [4] dst (MOVLload [4] src mem) (MOVLstore dst (MOVLload src mem) mem))
  9741  	for {
  9742  		if auxIntToInt64(v.AuxInt) != 8 {
  9743  			break
  9744  		}
  9745  		dst := v_0
  9746  		src := v_1
  9747  		mem := v_2
  9748  		v.reset(Op386MOVLstore)
  9749  		v.AuxInt = int32ToAuxInt(4)
  9750  		v0 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9751  		v0.AuxInt = int32ToAuxInt(4)
  9752  		v0.AddArg2(src, mem)
  9753  		v1 := b.NewValue0(v.Pos, Op386MOVLstore, types.TypeMem)
  9754  		v2 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9755  		v2.AddArg2(src, mem)
  9756  		v1.AddArg3(dst, v2, mem)
  9757  		v.AddArg3(dst, v0, v1)
  9758  		return true
  9759  	}
  9760  	// match: (Move [s] dst src mem)
  9761  	// cond: s > 8 && s%4 != 0
  9762  	// result: (Move [s-s%4] (ADDLconst <dst.Type> dst [int32(s%4)]) (ADDLconst <src.Type> src [int32(s%4)]) (MOVLstore dst (MOVLload src mem) mem))
  9763  	for {
  9764  		s := auxIntToInt64(v.AuxInt)
  9765  		dst := v_0
  9766  		src := v_1
  9767  		mem := v_2
  9768  		if !(s > 8 && s%4 != 0) {
  9769  			break
  9770  		}
  9771  		v.reset(OpMove)
  9772  		v.AuxInt = int64ToAuxInt(s - s%4)
  9773  		v0 := b.NewValue0(v.Pos, Op386ADDLconst, dst.Type)
  9774  		v0.AuxInt = int32ToAuxInt(int32(s % 4))
  9775  		v0.AddArg(dst)
  9776  		v1 := b.NewValue0(v.Pos, Op386ADDLconst, src.Type)
  9777  		v1.AuxInt = int32ToAuxInt(int32(s % 4))
  9778  		v1.AddArg(src)
  9779  		v2 := b.NewValue0(v.Pos, Op386MOVLstore, types.TypeMem)
  9780  		v3 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9781  		v3.AddArg2(src, mem)
  9782  		v2.AddArg3(dst, v3, mem)
  9783  		v.AddArg3(v0, v1, v2)
  9784  		return true
  9785  	}
  9786  	// match: (Move [s] dst src mem)
  9787  	// cond: s > 8 && s <= 4*128 && s%4 == 0 && !config.noDuffDevice && logLargeCopy(v, s)
  9788  	// result: (DUFFCOPY [10*(128-s/4)] dst src mem)
  9789  	for {
  9790  		s := auxIntToInt64(v.AuxInt)
  9791  		dst := v_0
  9792  		src := v_1
  9793  		mem := v_2
  9794  		if !(s > 8 && s <= 4*128 && s%4 == 0 && !config.noDuffDevice && logLargeCopy(v, s)) {
  9795  			break
  9796  		}
  9797  		v.reset(Op386DUFFCOPY)
  9798  		v.AuxInt = int64ToAuxInt(10 * (128 - s/4))
  9799  		v.AddArg3(dst, src, mem)
  9800  		return true
  9801  	}
  9802  	// match: (Move [s] dst src mem)
  9803  	// cond: (s > 4*128 || config.noDuffDevice) && s%4 == 0 && logLargeCopy(v, s)
  9804  	// result: (REPMOVSL dst src (MOVLconst [int32(s/4)]) mem)
  9805  	for {
  9806  		s := auxIntToInt64(v.AuxInt)
  9807  		dst := v_0
  9808  		src := v_1
  9809  		mem := v_2
  9810  		if !((s > 4*128 || config.noDuffDevice) && s%4 == 0 && logLargeCopy(v, s)) {
  9811  			break
  9812  		}
  9813  		v.reset(Op386REPMOVSL)
  9814  		v0 := b.NewValue0(v.Pos, Op386MOVLconst, typ.UInt32)
  9815  		v0.AuxInt = int32ToAuxInt(int32(s / 4))
  9816  		v.AddArg4(dst, src, v0, mem)
  9817  		return true
  9818  	}
  9819  	return false
  9820  }
  9821  func rewriteValue386_OpNeg32F(v *Value) bool {
  9822  	v_0 := v.Args[0]
  9823  	b := v.Block
  9824  	typ := &b.Func.Config.Types
  9825  	// match: (Neg32F x)
  9826  	// result: (PXOR x (MOVSSconst <typ.Float32> [float32(math.Copysign(0, -1))]))
  9827  	for {
  9828  		x := v_0
  9829  		v.reset(Op386PXOR)
  9830  		v0 := b.NewValue0(v.Pos, Op386MOVSSconst, typ.Float32)
  9831  		v0.AuxInt = float32ToAuxInt(float32(math.Copysign(0, -1)))
  9832  		v.AddArg2(x, v0)
  9833  		return true
  9834  	}
  9835  }
  9836  func rewriteValue386_OpNeg64F(v *Value) bool {
  9837  	v_0 := v.Args[0]
  9838  	b := v.Block
  9839  	typ := &b.Func.Config.Types
  9840  	// match: (Neg64F x)
  9841  	// result: (PXOR x (MOVSDconst <typ.Float64> [math.Copysign(0, -1)]))
  9842  	for {
  9843  		x := v_0
  9844  		v.reset(Op386PXOR)
  9845  		v0 := b.NewValue0(v.Pos, Op386MOVSDconst, typ.Float64)
  9846  		v0.AuxInt = float64ToAuxInt(math.Copysign(0, -1))
  9847  		v.AddArg2(x, v0)
  9848  		return true
  9849  	}
  9850  }
  9851  func rewriteValue386_OpNeq16(v *Value) bool {
  9852  	v_1 := v.Args[1]
  9853  	v_0 := v.Args[0]
  9854  	b := v.Block
  9855  	// match: (Neq16 x y)
  9856  	// result: (SETNE (CMPW x y))
  9857  	for {
  9858  		x := v_0
  9859  		y := v_1
  9860  		v.reset(Op386SETNE)
  9861  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  9862  		v0.AddArg2(x, y)
  9863  		v.AddArg(v0)
  9864  		return true
  9865  	}
  9866  }
  9867  func rewriteValue386_OpNeq32(v *Value) bool {
  9868  	v_1 := v.Args[1]
  9869  	v_0 := v.Args[0]
  9870  	b := v.Block
  9871  	// match: (Neq32 x y)
  9872  	// result: (SETNE (CMPL x y))
  9873  	for {
  9874  		x := v_0
  9875  		y := v_1
  9876  		v.reset(Op386SETNE)
  9877  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  9878  		v0.AddArg2(x, y)
  9879  		v.AddArg(v0)
  9880  		return true
  9881  	}
  9882  }
  9883  func rewriteValue386_OpNeq32F(v *Value) bool {
  9884  	v_1 := v.Args[1]
  9885  	v_0 := v.Args[0]
  9886  	b := v.Block
  9887  	// match: (Neq32F x y)
  9888  	// result: (SETNEF (UCOMISS x y))
  9889  	for {
  9890  		x := v_0
  9891  		y := v_1
  9892  		v.reset(Op386SETNEF)
  9893  		v0 := b.NewValue0(v.Pos, Op386UCOMISS, types.TypeFlags)
  9894  		v0.AddArg2(x, y)
  9895  		v.AddArg(v0)
  9896  		return true
  9897  	}
  9898  }
  9899  func rewriteValue386_OpNeq64F(v *Value) bool {
  9900  	v_1 := v.Args[1]
  9901  	v_0 := v.Args[0]
  9902  	b := v.Block
  9903  	// match: (Neq64F x y)
  9904  	// result: (SETNEF (UCOMISD x y))
  9905  	for {
  9906  		x := v_0
  9907  		y := v_1
  9908  		v.reset(Op386SETNEF)
  9909  		v0 := b.NewValue0(v.Pos, Op386UCOMISD, types.TypeFlags)
  9910  		v0.AddArg2(x, y)
  9911  		v.AddArg(v0)
  9912  		return true
  9913  	}
  9914  }
  9915  func rewriteValue386_OpNeq8(v *Value) bool {
  9916  	v_1 := v.Args[1]
  9917  	v_0 := v.Args[0]
  9918  	b := v.Block
  9919  	// match: (Neq8 x y)
  9920  	// result: (SETNE (CMPB x y))
  9921  	for {
  9922  		x := v_0
  9923  		y := v_1
  9924  		v.reset(Op386SETNE)
  9925  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  9926  		v0.AddArg2(x, y)
  9927  		v.AddArg(v0)
  9928  		return true
  9929  	}
  9930  }
  9931  func rewriteValue386_OpNeqB(v *Value) bool {
  9932  	v_1 := v.Args[1]
  9933  	v_0 := v.Args[0]
  9934  	b := v.Block
  9935  	// match: (NeqB x y)
  9936  	// result: (SETNE (CMPB x y))
  9937  	for {
  9938  		x := v_0
  9939  		y := v_1
  9940  		v.reset(Op386SETNE)
  9941  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  9942  		v0.AddArg2(x, y)
  9943  		v.AddArg(v0)
  9944  		return true
  9945  	}
  9946  }
  9947  func rewriteValue386_OpNeqPtr(v *Value) bool {
  9948  	v_1 := v.Args[1]
  9949  	v_0 := v.Args[0]
  9950  	b := v.Block
  9951  	// match: (NeqPtr x y)
  9952  	// result: (SETNE (CMPL x y))
  9953  	for {
  9954  		x := v_0
  9955  		y := v_1
  9956  		v.reset(Op386SETNE)
  9957  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  9958  		v0.AddArg2(x, y)
  9959  		v.AddArg(v0)
  9960  		return true
  9961  	}
  9962  }
  9963  func rewriteValue386_OpNot(v *Value) bool {
  9964  	v_0 := v.Args[0]
  9965  	// match: (Not x)
  9966  	// result: (XORLconst [1] x)
  9967  	for {
  9968  		x := v_0
  9969  		v.reset(Op386XORLconst)
  9970  		v.AuxInt = int32ToAuxInt(1)
  9971  		v.AddArg(x)
  9972  		return true
  9973  	}
  9974  }
  9975  func rewriteValue386_OpOffPtr(v *Value) bool {
  9976  	v_0 := v.Args[0]
  9977  	// match: (OffPtr [off] ptr)
  9978  	// result: (ADDLconst [int32(off)] ptr)
  9979  	for {
  9980  		off := auxIntToInt64(v.AuxInt)
  9981  		ptr := v_0
  9982  		v.reset(Op386ADDLconst)
  9983  		v.AuxInt = int32ToAuxInt(int32(off))
  9984  		v.AddArg(ptr)
  9985  		return true
  9986  	}
  9987  }
  9988  func rewriteValue386_OpPanicBounds(v *Value) bool {
  9989  	v_2 := v.Args[2]
  9990  	v_1 := v.Args[1]
  9991  	v_0 := v.Args[0]
  9992  	// match: (PanicBounds [kind] x y mem)
  9993  	// cond: boundsABI(kind) == 0
  9994  	// result: (LoweredPanicBoundsA [kind] x y mem)
  9995  	for {
  9996  		kind := auxIntToInt64(v.AuxInt)
  9997  		x := v_0
  9998  		y := v_1
  9999  		mem := v_2
 10000  		if !(boundsABI(kind) == 0) {
 10001  			break
 10002  		}
 10003  		v.reset(Op386LoweredPanicBoundsA)
 10004  		v.AuxInt = int64ToAuxInt(kind)
 10005  		v.AddArg3(x, y, mem)
 10006  		return true
 10007  	}
 10008  	// match: (PanicBounds [kind] x y mem)
 10009  	// cond: boundsABI(kind) == 1
 10010  	// result: (LoweredPanicBoundsB [kind] x y mem)
 10011  	for {
 10012  		kind := auxIntToInt64(v.AuxInt)
 10013  		x := v_0
 10014  		y := v_1
 10015  		mem := v_2
 10016  		if !(boundsABI(kind) == 1) {
 10017  			break
 10018  		}
 10019  		v.reset(Op386LoweredPanicBoundsB)
 10020  		v.AuxInt = int64ToAuxInt(kind)
 10021  		v.AddArg3(x, y, mem)
 10022  		return true
 10023  	}
 10024  	// match: (PanicBounds [kind] x y mem)
 10025  	// cond: boundsABI(kind) == 2
 10026  	// result: (LoweredPanicBoundsC [kind] x y mem)
 10027  	for {
 10028  		kind := auxIntToInt64(v.AuxInt)
 10029  		x := v_0
 10030  		y := v_1
 10031  		mem := v_2
 10032  		if !(boundsABI(kind) == 2) {
 10033  			break
 10034  		}
 10035  		v.reset(Op386LoweredPanicBoundsC)
 10036  		v.AuxInt = int64ToAuxInt(kind)
 10037  		v.AddArg3(x, y, mem)
 10038  		return true
 10039  	}
 10040  	return false
 10041  }
 10042  func rewriteValue386_OpPanicExtend(v *Value) bool {
 10043  	v_3 := v.Args[3]
 10044  	v_2 := v.Args[2]
 10045  	v_1 := v.Args[1]
 10046  	v_0 := v.Args[0]
 10047  	// match: (PanicExtend [kind] hi lo y mem)
 10048  	// cond: boundsABI(kind) == 0
 10049  	// result: (LoweredPanicExtendA [kind] hi lo y mem)
 10050  	for {
 10051  		kind := auxIntToInt64(v.AuxInt)
 10052  		hi := v_0
 10053  		lo := v_1
 10054  		y := v_2
 10055  		mem := v_3
 10056  		if !(boundsABI(kind) == 0) {
 10057  			break
 10058  		}
 10059  		v.reset(Op386LoweredPanicExtendA)
 10060  		v.AuxInt = int64ToAuxInt(kind)
 10061  		v.AddArg4(hi, lo, y, mem)
 10062  		return true
 10063  	}
 10064  	// match: (PanicExtend [kind] hi lo y mem)
 10065  	// cond: boundsABI(kind) == 1
 10066  	// result: (LoweredPanicExtendB [kind] hi lo y mem)
 10067  	for {
 10068  		kind := auxIntToInt64(v.AuxInt)
 10069  		hi := v_0
 10070  		lo := v_1
 10071  		y := v_2
 10072  		mem := v_3
 10073  		if !(boundsABI(kind) == 1) {
 10074  			break
 10075  		}
 10076  		v.reset(Op386LoweredPanicExtendB)
 10077  		v.AuxInt = int64ToAuxInt(kind)
 10078  		v.AddArg4(hi, lo, y, mem)
 10079  		return true
 10080  	}
 10081  	// match: (PanicExtend [kind] hi lo y mem)
 10082  	// cond: boundsABI(kind) == 2
 10083  	// result: (LoweredPanicExtendC [kind] hi lo y mem)
 10084  	for {
 10085  		kind := auxIntToInt64(v.AuxInt)
 10086  		hi := v_0
 10087  		lo := v_1
 10088  		y := v_2
 10089  		mem := v_3
 10090  		if !(boundsABI(kind) == 2) {
 10091  			break
 10092  		}
 10093  		v.reset(Op386LoweredPanicExtendC)
 10094  		v.AuxInt = int64ToAuxInt(kind)
 10095  		v.AddArg4(hi, lo, y, mem)
 10096  		return true
 10097  	}
 10098  	return false
 10099  }
 10100  func rewriteValue386_OpRsh16Ux16(v *Value) bool {
 10101  	v_1 := v.Args[1]
 10102  	v_0 := v.Args[0]
 10103  	b := v.Block
 10104  	// match: (Rsh16Ux16 <t> x y)
 10105  	// cond: !shiftIsBounded(v)
 10106  	// result: (ANDL (SHRW <t> x y) (SBBLcarrymask <t> (CMPWconst y [16])))
 10107  	for {
 10108  		t := v.Type
 10109  		x := v_0
 10110  		y := v_1
 10111  		if !(!shiftIsBounded(v)) {
 10112  			break
 10113  		}
 10114  		v.reset(Op386ANDL)
 10115  		v0 := b.NewValue0(v.Pos, Op386SHRW, t)
 10116  		v0.AddArg2(x, y)
 10117  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
 10118  		v2 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
 10119  		v2.AuxInt = int16ToAuxInt(16)
 10120  		v2.AddArg(y)
 10121  		v1.AddArg(v2)
 10122  		v.AddArg2(v0, v1)
 10123  		return true
 10124  	}
 10125  	// match: (Rsh16Ux16 <t> x y)
 10126  	// cond: shiftIsBounded(v)
 10127  	// result: (SHRW <t> x y)
 10128  	for {
 10129  		t := v.Type
 10130  		x := v_0
 10131  		y := v_1
 10132  		if !(shiftIsBounded(v)) {
 10133  			break
 10134  		}
 10135  		v.reset(Op386SHRW)
 10136  		v.Type = t
 10137  		v.AddArg2(x, y)
 10138  		return true
 10139  	}
 10140  	return false
 10141  }
 10142  func rewriteValue386_OpRsh16Ux32(v *Value) bool {
 10143  	v_1 := v.Args[1]
 10144  	v_0 := v.Args[0]
 10145  	b := v.Block
 10146  	// match: (Rsh16Ux32 <t> x y)
 10147  	// cond: !shiftIsBounded(v)
 10148  	// result: (ANDL (SHRW <t> x y) (SBBLcarrymask <t> (CMPLconst y [16])))
 10149  	for {
 10150  		t := v.Type
 10151  		x := v_0
 10152  		y := v_1
 10153  		if !(!shiftIsBounded(v)) {
 10154  			break
 10155  		}
 10156  		v.reset(Op386ANDL)
 10157  		v0 := b.NewValue0(v.Pos, Op386SHRW, t)
 10158  		v0.AddArg2(x, y)
 10159  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
 10160  		v2 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
 10161  		v2.AuxInt = int32ToAuxInt(16)
 10162  		v2.AddArg(y)
 10163  		v1.AddArg(v2)
 10164  		v.AddArg2(v0, v1)
 10165  		return true
 10166  	}
 10167  	// match: (Rsh16Ux32 <t> x y)
 10168  	// cond: shiftIsBounded(v)
 10169  	// result: (SHRW <t> x y)
 10170  	for {
 10171  		t := v.Type
 10172  		x := v_0
 10173  		y := v_1
 10174  		if !(shiftIsBounded(v)) {
 10175  			break
 10176  		}
 10177  		v.reset(Op386SHRW)
 10178  		v.Type = t
 10179  		v.AddArg2(x, y)
 10180  		return true
 10181  	}
 10182  	return false
 10183  }
 10184  func rewriteValue386_OpRsh16Ux64(v *Value) bool {
 10185  	v_1 := v.Args[1]
 10186  	v_0 := v.Args[0]
 10187  	// match: (Rsh16Ux64 x (Const64 [c]))
 10188  	// cond: uint64(c) < 16
 10189  	// result: (SHRWconst x [int16(c)])
 10190  	for {
 10191  		x := v_0
 10192  		if v_1.Op != OpConst64 {
 10193  			break
 10194  		}
 10195  		c := auxIntToInt64(v_1.AuxInt)
 10196  		if !(uint64(c) < 16) {
 10197  			break
 10198  		}
 10199  		v.reset(Op386SHRWconst)
 10200  		v.AuxInt = int16ToAuxInt(int16(c))
 10201  		v.AddArg(x)
 10202  		return true
 10203  	}
 10204  	// match: (Rsh16Ux64 _ (Const64 [c]))
 10205  	// cond: uint64(c) >= 16
 10206  	// result: (Const16 [0])
 10207  	for {
 10208  		if v_1.Op != OpConst64 {
 10209  			break
 10210  		}
 10211  		c := auxIntToInt64(v_1.AuxInt)
 10212  		if !(uint64(c) >= 16) {
 10213  			break
 10214  		}
 10215  		v.reset(OpConst16)
 10216  		v.AuxInt = int16ToAuxInt(0)
 10217  		return true
 10218  	}
 10219  	return false
 10220  }
 10221  func rewriteValue386_OpRsh16Ux8(v *Value) bool {
 10222  	v_1 := v.Args[1]
 10223  	v_0 := v.Args[0]
 10224  	b := v.Block
 10225  	// match: (Rsh16Ux8 <t> x y)
 10226  	// cond: !shiftIsBounded(v)
 10227  	// result: (ANDL (SHRW <t> x y) (SBBLcarrymask <t> (CMPBconst y [16])))
 10228  	for {
 10229  		t := v.Type
 10230  		x := v_0
 10231  		y := v_1
 10232  		if !(!shiftIsBounded(v)) {
 10233  			break
 10234  		}
 10235  		v.reset(Op386ANDL)
 10236  		v0 := b.NewValue0(v.Pos, Op386SHRW, t)
 10237  		v0.AddArg2(x, y)
 10238  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
 10239  		v2 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
 10240  		v2.AuxInt = int8ToAuxInt(16)
 10241  		v2.AddArg(y)
 10242  		v1.AddArg(v2)
 10243  		v.AddArg2(v0, v1)
 10244  		return true
 10245  	}
 10246  	// match: (Rsh16Ux8 <t> x y)
 10247  	// cond: shiftIsBounded(v)
 10248  	// result: (SHRW <t> x y)
 10249  	for {
 10250  		t := v.Type
 10251  		x := v_0
 10252  		y := v_1
 10253  		if !(shiftIsBounded(v)) {
 10254  			break
 10255  		}
 10256  		v.reset(Op386SHRW)
 10257  		v.Type = t
 10258  		v.AddArg2(x, y)
 10259  		return true
 10260  	}
 10261  	return false
 10262  }
 10263  func rewriteValue386_OpRsh16x16(v *Value) bool {
 10264  	v_1 := v.Args[1]
 10265  	v_0 := v.Args[0]
 10266  	b := v.Block
 10267  	// match: (Rsh16x16 <t> x y)
 10268  	// cond: !shiftIsBounded(v)
 10269  	// result: (SARW <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPWconst y [16])))))
 10270  	for {
 10271  		t := v.Type
 10272  		x := v_0
 10273  		y := v_1
 10274  		if !(!shiftIsBounded(v)) {
 10275  			break
 10276  		}
 10277  		v.reset(Op386SARW)
 10278  		v.Type = t
 10279  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
 10280  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
 10281  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
 10282  		v3 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
 10283  		v3.AuxInt = int16ToAuxInt(16)
 10284  		v3.AddArg(y)
 10285  		v2.AddArg(v3)
 10286  		v1.AddArg(v2)
 10287  		v0.AddArg2(y, v1)
 10288  		v.AddArg2(x, v0)
 10289  		return true
 10290  	}
 10291  	// match: (Rsh16x16 <t> x y)
 10292  	// cond: shiftIsBounded(v)
 10293  	// result: (SARW x y)
 10294  	for {
 10295  		x := v_0
 10296  		y := v_1
 10297  		if !(shiftIsBounded(v)) {
 10298  			break
 10299  		}
 10300  		v.reset(Op386SARW)
 10301  		v.AddArg2(x, y)
 10302  		return true
 10303  	}
 10304  	return false
 10305  }
 10306  func rewriteValue386_OpRsh16x32(v *Value) bool {
 10307  	v_1 := v.Args[1]
 10308  	v_0 := v.Args[0]
 10309  	b := v.Block
 10310  	// match: (Rsh16x32 <t> x y)
 10311  	// cond: !shiftIsBounded(v)
 10312  	// result: (SARW <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPLconst y [16])))))
 10313  	for {
 10314  		t := v.Type
 10315  		x := v_0
 10316  		y := v_1
 10317  		if !(!shiftIsBounded(v)) {
 10318  			break
 10319  		}
 10320  		v.reset(Op386SARW)
 10321  		v.Type = t
 10322  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
 10323  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
 10324  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
 10325  		v3 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
 10326  		v3.AuxInt = int32ToAuxInt(16)
 10327  		v3.AddArg(y)
 10328  		v2.AddArg(v3)
 10329  		v1.AddArg(v2)
 10330  		v0.AddArg2(y, v1)
 10331  		v.AddArg2(x, v0)
 10332  		return true
 10333  	}
 10334  	// match: (Rsh16x32 <t> x y)
 10335  	// cond: shiftIsBounded(v)
 10336  	// result: (SARW x y)
 10337  	for {
 10338  		x := v_0
 10339  		y := v_1
 10340  		if !(shiftIsBounded(v)) {
 10341  			break
 10342  		}
 10343  		v.reset(Op386SARW)
 10344  		v.AddArg2(x, y)
 10345  		return true
 10346  	}
 10347  	return false
 10348  }
 10349  func rewriteValue386_OpRsh16x64(v *Value) bool {
 10350  	v_1 := v.Args[1]
 10351  	v_0 := v.Args[0]
 10352  	// match: (Rsh16x64 x (Const64 [c]))
 10353  	// cond: uint64(c) < 16
 10354  	// result: (SARWconst x [int16(c)])
 10355  	for {
 10356  		x := v_0
 10357  		if v_1.Op != OpConst64 {
 10358  			break
 10359  		}
 10360  		c := auxIntToInt64(v_1.AuxInt)
 10361  		if !(uint64(c) < 16) {
 10362  			break
 10363  		}
 10364  		v.reset(Op386SARWconst)
 10365  		v.AuxInt = int16ToAuxInt(int16(c))
 10366  		v.AddArg(x)
 10367  		return true
 10368  	}
 10369  	// match: (Rsh16x64 x (Const64 [c]))
 10370  	// cond: uint64(c) >= 16
 10371  	// result: (SARWconst x [15])
 10372  	for {
 10373  		x := v_0
 10374  		if v_1.Op != OpConst64 {
 10375  			break
 10376  		}
 10377  		c := auxIntToInt64(v_1.AuxInt)
 10378  		if !(uint64(c) >= 16) {
 10379  			break
 10380  		}
 10381  		v.reset(Op386SARWconst)
 10382  		v.AuxInt = int16ToAuxInt(15)
 10383  		v.AddArg(x)
 10384  		return true
 10385  	}
 10386  	return false
 10387  }
 10388  func rewriteValue386_OpRsh16x8(v *Value) bool {
 10389  	v_1 := v.Args[1]
 10390  	v_0 := v.Args[0]
 10391  	b := v.Block
 10392  	// match: (Rsh16x8 <t> x y)
 10393  	// cond: !shiftIsBounded(v)
 10394  	// result: (SARW <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPBconst y [16])))))
 10395  	for {
 10396  		t := v.Type
 10397  		x := v_0
 10398  		y := v_1
 10399  		if !(!shiftIsBounded(v)) {
 10400  			break
 10401  		}
 10402  		v.reset(Op386SARW)
 10403  		v.Type = t
 10404  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
 10405  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
 10406  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
 10407  		v3 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
 10408  		v3.AuxInt = int8ToAuxInt(16)
 10409  		v3.AddArg(y)
 10410  		v2.AddArg(v3)
 10411  		v1.AddArg(v2)
 10412  		v0.AddArg2(y, v1)
 10413  		v.AddArg2(x, v0)
 10414  		return true
 10415  	}
 10416  	// match: (Rsh16x8 <t> x y)
 10417  	// cond: shiftIsBounded(v)
 10418  	// result: (SARW x y)
 10419  	for {
 10420  		x := v_0
 10421  		y := v_1
 10422  		if !(shiftIsBounded(v)) {
 10423  			break
 10424  		}
 10425  		v.reset(Op386SARW)
 10426  		v.AddArg2(x, y)
 10427  		return true
 10428  	}
 10429  	return false
 10430  }
 10431  func rewriteValue386_OpRsh32Ux16(v *Value) bool {
 10432  	v_1 := v.Args[1]
 10433  	v_0 := v.Args[0]
 10434  	b := v.Block
 10435  	// match: (Rsh32Ux16 <t> x y)
 10436  	// cond: !shiftIsBounded(v)
 10437  	// result: (ANDL (SHRL <t> x y) (SBBLcarrymask <t> (CMPWconst y [32])))
 10438  	for {
 10439  		t := v.Type
 10440  		x := v_0
 10441  		y := v_1
 10442  		if !(!shiftIsBounded(v)) {
 10443  			break
 10444  		}
 10445  		v.reset(Op386ANDL)
 10446  		v0 := b.NewValue0(v.Pos, Op386SHRL, t)
 10447  		v0.AddArg2(x, y)
 10448  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
 10449  		v2 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
 10450  		v2.AuxInt = int16ToAuxInt(32)
 10451  		v2.AddArg(y)
 10452  		v1.AddArg(v2)
 10453  		v.AddArg2(v0, v1)
 10454  		return true
 10455  	}
 10456  	// match: (Rsh32Ux16 <t> x y)
 10457  	// cond: shiftIsBounded(v)
 10458  	// result: (SHRL <t> x y)
 10459  	for {
 10460  		t := v.Type
 10461  		x := v_0
 10462  		y := v_1
 10463  		if !(shiftIsBounded(v)) {
 10464  			break
 10465  		}
 10466  		v.reset(Op386SHRL)
 10467  		v.Type = t
 10468  		v.AddArg2(x, y)
 10469  		return true
 10470  	}
 10471  	return false
 10472  }
 10473  func rewriteValue386_OpRsh32Ux32(v *Value) bool {
 10474  	v_1 := v.Args[1]
 10475  	v_0 := v.Args[0]
 10476  	b := v.Block
 10477  	// match: (Rsh32Ux32 <t> x y)
 10478  	// cond: !shiftIsBounded(v)
 10479  	// result: (ANDL (SHRL <t> x y) (SBBLcarrymask <t> (CMPLconst y [32])))
 10480  	for {
 10481  		t := v.Type
 10482  		x := v_0
 10483  		y := v_1
 10484  		if !(!shiftIsBounded(v)) {
 10485  			break
 10486  		}
 10487  		v.reset(Op386ANDL)
 10488  		v0 := b.NewValue0(v.Pos, Op386SHRL, t)
 10489  		v0.AddArg2(x, y)
 10490  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
 10491  		v2 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
 10492  		v2.AuxInt = int32ToAuxInt(32)
 10493  		v2.AddArg(y)
 10494  		v1.AddArg(v2)
 10495  		v.AddArg2(v0, v1)
 10496  		return true
 10497  	}
 10498  	// match: (Rsh32Ux32 <t> x y)
 10499  	// cond: shiftIsBounded(v)
 10500  	// result: (SHRL <t> x y)
 10501  	for {
 10502  		t := v.Type
 10503  		x := v_0
 10504  		y := v_1
 10505  		if !(shiftIsBounded(v)) {
 10506  			break
 10507  		}
 10508  		v.reset(Op386SHRL)
 10509  		v.Type = t
 10510  		v.AddArg2(x, y)
 10511  		return true
 10512  	}
 10513  	return false
 10514  }
 10515  func rewriteValue386_OpRsh32Ux64(v *Value) bool {
 10516  	v_1 := v.Args[1]
 10517  	v_0 := v.Args[0]
 10518  	// match: (Rsh32Ux64 x (Const64 [c]))
 10519  	// cond: uint64(c) < 32
 10520  	// result: (SHRLconst x [int32(c)])
 10521  	for {
 10522  		x := v_0
 10523  		if v_1.Op != OpConst64 {
 10524  			break
 10525  		}
 10526  		c := auxIntToInt64(v_1.AuxInt)
 10527  		if !(uint64(c) < 32) {
 10528  			break
 10529  		}
 10530  		v.reset(Op386SHRLconst)
 10531  		v.AuxInt = int32ToAuxInt(int32(c))
 10532  		v.AddArg(x)
 10533  		return true
 10534  	}
 10535  	// match: (Rsh32Ux64 _ (Const64 [c]))
 10536  	// cond: uint64(c) >= 32
 10537  	// result: (Const32 [0])
 10538  	for {
 10539  		if v_1.Op != OpConst64 {
 10540  			break
 10541  		}
 10542  		c := auxIntToInt64(v_1.AuxInt)
 10543  		if !(uint64(c) >= 32) {
 10544  			break
 10545  		}
 10546  		v.reset(OpConst32)
 10547  		v.AuxInt = int32ToAuxInt(0)
 10548  		return true
 10549  	}
 10550  	return false
 10551  }
 10552  func rewriteValue386_OpRsh32Ux8(v *Value) bool {
 10553  	v_1 := v.Args[1]
 10554  	v_0 := v.Args[0]
 10555  	b := v.Block
 10556  	// match: (Rsh32Ux8 <t> x y)
 10557  	// cond: !shiftIsBounded(v)
 10558  	// result: (ANDL (SHRL <t> x y) (SBBLcarrymask <t> (CMPBconst y [32])))
 10559  	for {
 10560  		t := v.Type
 10561  		x := v_0
 10562  		y := v_1
 10563  		if !(!shiftIsBounded(v)) {
 10564  			break
 10565  		}
 10566  		v.reset(Op386ANDL)
 10567  		v0 := b.NewValue0(v.Pos, Op386SHRL, t)
 10568  		v0.AddArg2(x, y)
 10569  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
 10570  		v2 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
 10571  		v2.AuxInt = int8ToAuxInt(32)
 10572  		v2.AddArg(y)
 10573  		v1.AddArg(v2)
 10574  		v.AddArg2(v0, v1)
 10575  		return true
 10576  	}
 10577  	// match: (Rsh32Ux8 <t> x y)
 10578  	// cond: shiftIsBounded(v)
 10579  	// result: (SHRL <t> x y)
 10580  	for {
 10581  		t := v.Type
 10582  		x := v_0
 10583  		y := v_1
 10584  		if !(shiftIsBounded(v)) {
 10585  			break
 10586  		}
 10587  		v.reset(Op386SHRL)
 10588  		v.Type = t
 10589  		v.AddArg2(x, y)
 10590  		return true
 10591  	}
 10592  	return false
 10593  }
 10594  func rewriteValue386_OpRsh32x16(v *Value) bool {
 10595  	v_1 := v.Args[1]
 10596  	v_0 := v.Args[0]
 10597  	b := v.Block
 10598  	// match: (Rsh32x16 <t> x y)
 10599  	// cond: !shiftIsBounded(v)
 10600  	// result: (SARL <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPWconst y [32])))))
 10601  	for {
 10602  		t := v.Type
 10603  		x := v_0
 10604  		y := v_1
 10605  		if !(!shiftIsBounded(v)) {
 10606  			break
 10607  		}
 10608  		v.reset(Op386SARL)
 10609  		v.Type = t
 10610  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
 10611  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
 10612  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
 10613  		v3 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
 10614  		v3.AuxInt = int16ToAuxInt(32)
 10615  		v3.AddArg(y)
 10616  		v2.AddArg(v3)
 10617  		v1.AddArg(v2)
 10618  		v0.AddArg2(y, v1)
 10619  		v.AddArg2(x, v0)
 10620  		return true
 10621  	}
 10622  	// match: (Rsh32x16 <t> x y)
 10623  	// cond: shiftIsBounded(v)
 10624  	// result: (SARL x y)
 10625  	for {
 10626  		x := v_0
 10627  		y := v_1
 10628  		if !(shiftIsBounded(v)) {
 10629  			break
 10630  		}
 10631  		v.reset(Op386SARL)
 10632  		v.AddArg2(x, y)
 10633  		return true
 10634  	}
 10635  	return false
 10636  }
 10637  func rewriteValue386_OpRsh32x32(v *Value) bool {
 10638  	v_1 := v.Args[1]
 10639  	v_0 := v.Args[0]
 10640  	b := v.Block
 10641  	// match: (Rsh32x32 <t> x y)
 10642  	// cond: !shiftIsBounded(v)
 10643  	// result: (SARL <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPLconst y [32])))))
 10644  	for {
 10645  		t := v.Type
 10646  		x := v_0
 10647  		y := v_1
 10648  		if !(!shiftIsBounded(v)) {
 10649  			break
 10650  		}
 10651  		v.reset(Op386SARL)
 10652  		v.Type = t
 10653  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
 10654  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
 10655  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
 10656  		v3 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
 10657  		v3.AuxInt = int32ToAuxInt(32)
 10658  		v3.AddArg(y)
 10659  		v2.AddArg(v3)
 10660  		v1.AddArg(v2)
 10661  		v0.AddArg2(y, v1)
 10662  		v.AddArg2(x, v0)
 10663  		return true
 10664  	}
 10665  	// match: (Rsh32x32 <t> x y)
 10666  	// cond: shiftIsBounded(v)
 10667  	// result: (SARL x y)
 10668  	for {
 10669  		x := v_0
 10670  		y := v_1
 10671  		if !(shiftIsBounded(v)) {
 10672  			break
 10673  		}
 10674  		v.reset(Op386SARL)
 10675  		v.AddArg2(x, y)
 10676  		return true
 10677  	}
 10678  	return false
 10679  }
 10680  func rewriteValue386_OpRsh32x64(v *Value) bool {
 10681  	v_1 := v.Args[1]
 10682  	v_0 := v.Args[0]
 10683  	// match: (Rsh32x64 x (Const64 [c]))
 10684  	// cond: uint64(c) < 32
 10685  	// result: (SARLconst x [int32(c)])
 10686  	for {
 10687  		x := v_0
 10688  		if v_1.Op != OpConst64 {
 10689  			break
 10690  		}
 10691  		c := auxIntToInt64(v_1.AuxInt)
 10692  		if !(uint64(c) < 32) {
 10693  			break
 10694  		}
 10695  		v.reset(Op386SARLconst)
 10696  		v.AuxInt = int32ToAuxInt(int32(c))
 10697  		v.AddArg(x)
 10698  		return true
 10699  	}
 10700  	// match: (Rsh32x64 x (Const64 [c]))
 10701  	// cond: uint64(c) >= 32
 10702  	// result: (SARLconst x [31])
 10703  	for {
 10704  		x := v_0
 10705  		if v_1.Op != OpConst64 {
 10706  			break
 10707  		}
 10708  		c := auxIntToInt64(v_1.AuxInt)
 10709  		if !(uint64(c) >= 32) {
 10710  			break
 10711  		}
 10712  		v.reset(Op386SARLconst)
 10713  		v.AuxInt = int32ToAuxInt(31)
 10714  		v.AddArg(x)
 10715  		return true
 10716  	}
 10717  	return false
 10718  }
 10719  func rewriteValue386_OpRsh32x8(v *Value) bool {
 10720  	v_1 := v.Args[1]
 10721  	v_0 := v.Args[0]
 10722  	b := v.Block
 10723  	// match: (Rsh32x8 <t> x y)
 10724  	// cond: !shiftIsBounded(v)
 10725  	// result: (SARL <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPBconst y [32])))))
 10726  	for {
 10727  		t := v.Type
 10728  		x := v_0
 10729  		y := v_1
 10730  		if !(!shiftIsBounded(v)) {
 10731  			break
 10732  		}
 10733  		v.reset(Op386SARL)
 10734  		v.Type = t
 10735  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
 10736  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
 10737  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
 10738  		v3 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
 10739  		v3.AuxInt = int8ToAuxInt(32)
 10740  		v3.AddArg(y)
 10741  		v2.AddArg(v3)
 10742  		v1.AddArg(v2)
 10743  		v0.AddArg2(y, v1)
 10744  		v.AddArg2(x, v0)
 10745  		return true
 10746  	}
 10747  	// match: (Rsh32x8 <t> x y)
 10748  	// cond: shiftIsBounded(v)
 10749  	// result: (SARL x y)
 10750  	for {
 10751  		x := v_0
 10752  		y := v_1
 10753  		if !(shiftIsBounded(v)) {
 10754  			break
 10755  		}
 10756  		v.reset(Op386SARL)
 10757  		v.AddArg2(x, y)
 10758  		return true
 10759  	}
 10760  	return false
 10761  }
 10762  func rewriteValue386_OpRsh8Ux16(v *Value) bool {
 10763  	v_1 := v.Args[1]
 10764  	v_0 := v.Args[0]
 10765  	b := v.Block
 10766  	// match: (Rsh8Ux16 <t> x y)
 10767  	// cond: !shiftIsBounded(v)
 10768  	// result: (ANDL (SHRB <t> x y) (SBBLcarrymask <t> (CMPWconst y [8])))
 10769  	for {
 10770  		t := v.Type
 10771  		x := v_0
 10772  		y := v_1
 10773  		if !(!shiftIsBounded(v)) {
 10774  			break
 10775  		}
 10776  		v.reset(Op386ANDL)
 10777  		v0 := b.NewValue0(v.Pos, Op386SHRB, t)
 10778  		v0.AddArg2(x, y)
 10779  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
 10780  		v2 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
 10781  		v2.AuxInt = int16ToAuxInt(8)
 10782  		v2.AddArg(y)
 10783  		v1.AddArg(v2)
 10784  		v.AddArg2(v0, v1)
 10785  		return true
 10786  	}
 10787  	// match: (Rsh8Ux16 <t> x y)
 10788  	// cond: shiftIsBounded(v)
 10789  	// result: (SHRB <t> x y)
 10790  	for {
 10791  		t := v.Type
 10792  		x := v_0
 10793  		y := v_1
 10794  		if !(shiftIsBounded(v)) {
 10795  			break
 10796  		}
 10797  		v.reset(Op386SHRB)
 10798  		v.Type = t
 10799  		v.AddArg2(x, y)
 10800  		return true
 10801  	}
 10802  	return false
 10803  }
 10804  func rewriteValue386_OpRsh8Ux32(v *Value) bool {
 10805  	v_1 := v.Args[1]
 10806  	v_0 := v.Args[0]
 10807  	b := v.Block
 10808  	// match: (Rsh8Ux32 <t> x y)
 10809  	// cond: !shiftIsBounded(v)
 10810  	// result: (ANDL (SHRB <t> x y) (SBBLcarrymask <t> (CMPLconst y [8])))
 10811  	for {
 10812  		t := v.Type
 10813  		x := v_0
 10814  		y := v_1
 10815  		if !(!shiftIsBounded(v)) {
 10816  			break
 10817  		}
 10818  		v.reset(Op386ANDL)
 10819  		v0 := b.NewValue0(v.Pos, Op386SHRB, t)
 10820  		v0.AddArg2(x, y)
 10821  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
 10822  		v2 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
 10823  		v2.AuxInt = int32ToAuxInt(8)
 10824  		v2.AddArg(y)
 10825  		v1.AddArg(v2)
 10826  		v.AddArg2(v0, v1)
 10827  		return true
 10828  	}
 10829  	// match: (Rsh8Ux32 <t> x y)
 10830  	// cond: shiftIsBounded(v)
 10831  	// result: (SHRB <t> x y)
 10832  	for {
 10833  		t := v.Type
 10834  		x := v_0
 10835  		y := v_1
 10836  		if !(shiftIsBounded(v)) {
 10837  			break
 10838  		}
 10839  		v.reset(Op386SHRB)
 10840  		v.Type = t
 10841  		v.AddArg2(x, y)
 10842  		return true
 10843  	}
 10844  	return false
 10845  }
 10846  func rewriteValue386_OpRsh8Ux64(v *Value) bool {
 10847  	v_1 := v.Args[1]
 10848  	v_0 := v.Args[0]
 10849  	// match: (Rsh8Ux64 x (Const64 [c]))
 10850  	// cond: uint64(c) < 8
 10851  	// result: (SHRBconst x [int8(c)])
 10852  	for {
 10853  		x := v_0
 10854  		if v_1.Op != OpConst64 {
 10855  			break
 10856  		}
 10857  		c := auxIntToInt64(v_1.AuxInt)
 10858  		if !(uint64(c) < 8) {
 10859  			break
 10860  		}
 10861  		v.reset(Op386SHRBconst)
 10862  		v.AuxInt = int8ToAuxInt(int8(c))
 10863  		v.AddArg(x)
 10864  		return true
 10865  	}
 10866  	// match: (Rsh8Ux64 _ (Const64 [c]))
 10867  	// cond: uint64(c) >= 8
 10868  	// result: (Const8 [0])
 10869  	for {
 10870  		if v_1.Op != OpConst64 {
 10871  			break
 10872  		}
 10873  		c := auxIntToInt64(v_1.AuxInt)
 10874  		if !(uint64(c) >= 8) {
 10875  			break
 10876  		}
 10877  		v.reset(OpConst8)
 10878  		v.AuxInt = int8ToAuxInt(0)
 10879  		return true
 10880  	}
 10881  	return false
 10882  }
 10883  func rewriteValue386_OpRsh8Ux8(v *Value) bool {
 10884  	v_1 := v.Args[1]
 10885  	v_0 := v.Args[0]
 10886  	b := v.Block
 10887  	// match: (Rsh8Ux8 <t> x y)
 10888  	// cond: !shiftIsBounded(v)
 10889  	// result: (ANDL (SHRB <t> x y) (SBBLcarrymask <t> (CMPBconst y [8])))
 10890  	for {
 10891  		t := v.Type
 10892  		x := v_0
 10893  		y := v_1
 10894  		if !(!shiftIsBounded(v)) {
 10895  			break
 10896  		}
 10897  		v.reset(Op386ANDL)
 10898  		v0 := b.NewValue0(v.Pos, Op386SHRB, t)
 10899  		v0.AddArg2(x, y)
 10900  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
 10901  		v2 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
 10902  		v2.AuxInt = int8ToAuxInt(8)
 10903  		v2.AddArg(y)
 10904  		v1.AddArg(v2)
 10905  		v.AddArg2(v0, v1)
 10906  		return true
 10907  	}
 10908  	// match: (Rsh8Ux8 <t> x y)
 10909  	// cond: shiftIsBounded(v)
 10910  	// result: (SHRB <t> x y)
 10911  	for {
 10912  		t := v.Type
 10913  		x := v_0
 10914  		y := v_1
 10915  		if !(shiftIsBounded(v)) {
 10916  			break
 10917  		}
 10918  		v.reset(Op386SHRB)
 10919  		v.Type = t
 10920  		v.AddArg2(x, y)
 10921  		return true
 10922  	}
 10923  	return false
 10924  }
 10925  func rewriteValue386_OpRsh8x16(v *Value) bool {
 10926  	v_1 := v.Args[1]
 10927  	v_0 := v.Args[0]
 10928  	b := v.Block
 10929  	// match: (Rsh8x16 <t> x y)
 10930  	// cond: !shiftIsBounded(v)
 10931  	// result: (SARB <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPWconst y [8])))))
 10932  	for {
 10933  		t := v.Type
 10934  		x := v_0
 10935  		y := v_1
 10936  		if !(!shiftIsBounded(v)) {
 10937  			break
 10938  		}
 10939  		v.reset(Op386SARB)
 10940  		v.Type = t
 10941  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
 10942  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
 10943  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
 10944  		v3 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
 10945  		v3.AuxInt = int16ToAuxInt(8)
 10946  		v3.AddArg(y)
 10947  		v2.AddArg(v3)
 10948  		v1.AddArg(v2)
 10949  		v0.AddArg2(y, v1)
 10950  		v.AddArg2(x, v0)
 10951  		return true
 10952  	}
 10953  	// match: (Rsh8x16 <t> x y)
 10954  	// cond: shiftIsBounded(v)
 10955  	// result: (SARB x y)
 10956  	for {
 10957  		x := v_0
 10958  		y := v_1
 10959  		if !(shiftIsBounded(v)) {
 10960  			break
 10961  		}
 10962  		v.reset(Op386SARB)
 10963  		v.AddArg2(x, y)
 10964  		return true
 10965  	}
 10966  	return false
 10967  }
 10968  func rewriteValue386_OpRsh8x32(v *Value) bool {
 10969  	v_1 := v.Args[1]
 10970  	v_0 := v.Args[0]
 10971  	b := v.Block
 10972  	// match: (Rsh8x32 <t> x y)
 10973  	// cond: !shiftIsBounded(v)
 10974  	// result: (SARB <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPLconst y [8])))))
 10975  	for {
 10976  		t := v.Type
 10977  		x := v_0
 10978  		y := v_1
 10979  		if !(!shiftIsBounded(v)) {
 10980  			break
 10981  		}
 10982  		v.reset(Op386SARB)
 10983  		v.Type = t
 10984  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
 10985  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
 10986  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
 10987  		v3 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
 10988  		v3.AuxInt = int32ToAuxInt(8)
 10989  		v3.AddArg(y)
 10990  		v2.AddArg(v3)
 10991  		v1.AddArg(v2)
 10992  		v0.AddArg2(y, v1)
 10993  		v.AddArg2(x, v0)
 10994  		return true
 10995  	}
 10996  	// match: (Rsh8x32 <t> x y)
 10997  	// cond: shiftIsBounded(v)
 10998  	// result: (SARB x y)
 10999  	for {
 11000  		x := v_0
 11001  		y := v_1
 11002  		if !(shiftIsBounded(v)) {
 11003  			break
 11004  		}
 11005  		v.reset(Op386SARB)
 11006  		v.AddArg2(x, y)
 11007  		return true
 11008  	}
 11009  	return false
 11010  }
 11011  func rewriteValue386_OpRsh8x64(v *Value) bool {
 11012  	v_1 := v.Args[1]
 11013  	v_0 := v.Args[0]
 11014  	// match: (Rsh8x64 x (Const64 [c]))
 11015  	// cond: uint64(c) < 8
 11016  	// result: (SARBconst x [int8(c)])
 11017  	for {
 11018  		x := v_0
 11019  		if v_1.Op != OpConst64 {
 11020  			break
 11021  		}
 11022  		c := auxIntToInt64(v_1.AuxInt)
 11023  		if !(uint64(c) < 8) {
 11024  			break
 11025  		}
 11026  		v.reset(Op386SARBconst)
 11027  		v.AuxInt = int8ToAuxInt(int8(c))
 11028  		v.AddArg(x)
 11029  		return true
 11030  	}
 11031  	// match: (Rsh8x64 x (Const64 [c]))
 11032  	// cond: uint64(c) >= 8
 11033  	// result: (SARBconst x [7])
 11034  	for {
 11035  		x := v_0
 11036  		if v_1.Op != OpConst64 {
 11037  			break
 11038  		}
 11039  		c := auxIntToInt64(v_1.AuxInt)
 11040  		if !(uint64(c) >= 8) {
 11041  			break
 11042  		}
 11043  		v.reset(Op386SARBconst)
 11044  		v.AuxInt = int8ToAuxInt(7)
 11045  		v.AddArg(x)
 11046  		return true
 11047  	}
 11048  	return false
 11049  }
 11050  func rewriteValue386_OpRsh8x8(v *Value) bool {
 11051  	v_1 := v.Args[1]
 11052  	v_0 := v.Args[0]
 11053  	b := v.Block
 11054  	// match: (Rsh8x8 <t> x y)
 11055  	// cond: !shiftIsBounded(v)
 11056  	// result: (SARB <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPBconst y [8])))))
 11057  	for {
 11058  		t := v.Type
 11059  		x := v_0
 11060  		y := v_1
 11061  		if !(!shiftIsBounded(v)) {
 11062  			break
 11063  		}
 11064  		v.reset(Op386SARB)
 11065  		v.Type = t
 11066  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
 11067  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
 11068  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
 11069  		v3 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
 11070  		v3.AuxInt = int8ToAuxInt(8)
 11071  		v3.AddArg(y)
 11072  		v2.AddArg(v3)
 11073  		v1.AddArg(v2)
 11074  		v0.AddArg2(y, v1)
 11075  		v.AddArg2(x, v0)
 11076  		return true
 11077  	}
 11078  	// match: (Rsh8x8 <t> x y)
 11079  	// cond: shiftIsBounded(v)
 11080  	// result: (SARB x y)
 11081  	for {
 11082  		x := v_0
 11083  		y := v_1
 11084  		if !(shiftIsBounded(v)) {
 11085  			break
 11086  		}
 11087  		v.reset(Op386SARB)
 11088  		v.AddArg2(x, y)
 11089  		return true
 11090  	}
 11091  	return false
 11092  }
 11093  func rewriteValue386_OpSelect0(v *Value) bool {
 11094  	v_0 := v.Args[0]
 11095  	b := v.Block
 11096  	typ := &b.Func.Config.Types
 11097  	// match: (Select0 (Mul32uover x y))
 11098  	// result: (Select0 <typ.UInt32> (MULLU x y))
 11099  	for {
 11100  		if v_0.Op != OpMul32uover {
 11101  			break
 11102  		}
 11103  		y := v_0.Args[1]
 11104  		x := v_0.Args[0]
 11105  		v.reset(OpSelect0)
 11106  		v.Type = typ.UInt32
 11107  		v0 := b.NewValue0(v.Pos, Op386MULLU, types.NewTuple(typ.UInt32, types.TypeFlags))
 11108  		v0.AddArg2(x, y)
 11109  		v.AddArg(v0)
 11110  		return true
 11111  	}
 11112  	return false
 11113  }
 11114  func rewriteValue386_OpSelect1(v *Value) bool {
 11115  	v_0 := v.Args[0]
 11116  	b := v.Block
 11117  	typ := &b.Func.Config.Types
 11118  	// match: (Select1 (Mul32uover x y))
 11119  	// result: (SETO (Select1 <types.TypeFlags> (MULLU x y)))
 11120  	for {
 11121  		if v_0.Op != OpMul32uover {
 11122  			break
 11123  		}
 11124  		y := v_0.Args[1]
 11125  		x := v_0.Args[0]
 11126  		v.reset(Op386SETO)
 11127  		v0 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 11128  		v1 := b.NewValue0(v.Pos, Op386MULLU, types.NewTuple(typ.UInt32, types.TypeFlags))
 11129  		v1.AddArg2(x, y)
 11130  		v0.AddArg(v1)
 11131  		v.AddArg(v0)
 11132  		return true
 11133  	}
 11134  	return false
 11135  }
 11136  func rewriteValue386_OpSignmask(v *Value) bool {
 11137  	v_0 := v.Args[0]
 11138  	// match: (Signmask x)
 11139  	// result: (SARLconst x [31])
 11140  	for {
 11141  		x := v_0
 11142  		v.reset(Op386SARLconst)
 11143  		v.AuxInt = int32ToAuxInt(31)
 11144  		v.AddArg(x)
 11145  		return true
 11146  	}
 11147  }
 11148  func rewriteValue386_OpSlicemask(v *Value) bool {
 11149  	v_0 := v.Args[0]
 11150  	b := v.Block
 11151  	// match: (Slicemask <t> x)
 11152  	// result: (SARLconst (NEGL <t> x) [31])
 11153  	for {
 11154  		t := v.Type
 11155  		x := v_0
 11156  		v.reset(Op386SARLconst)
 11157  		v.AuxInt = int32ToAuxInt(31)
 11158  		v0 := b.NewValue0(v.Pos, Op386NEGL, t)
 11159  		v0.AddArg(x)
 11160  		v.AddArg(v0)
 11161  		return true
 11162  	}
 11163  }
 11164  func rewriteValue386_OpStore(v *Value) bool {
 11165  	v_2 := v.Args[2]
 11166  	v_1 := v.Args[1]
 11167  	v_0 := v.Args[0]
 11168  	// match: (Store {t} ptr val mem)
 11169  	// cond: t.Size() == 8 && is64BitFloat(val.Type)
 11170  	// result: (MOVSDstore ptr val mem)
 11171  	for {
 11172  		t := auxToType(v.Aux)
 11173  		ptr := v_0
 11174  		val := v_1
 11175  		mem := v_2
 11176  		if !(t.Size() == 8 && is64BitFloat(val.Type)) {
 11177  			break
 11178  		}
 11179  		v.reset(Op386MOVSDstore)
 11180  		v.AddArg3(ptr, val, mem)
 11181  		return true
 11182  	}
 11183  	// match: (Store {t} ptr val mem)
 11184  	// cond: t.Size() == 4 && is32BitFloat(val.Type)
 11185  	// result: (MOVSSstore ptr val mem)
 11186  	for {
 11187  		t := auxToType(v.Aux)
 11188  		ptr := v_0
 11189  		val := v_1
 11190  		mem := v_2
 11191  		if !(t.Size() == 4 && is32BitFloat(val.Type)) {
 11192  			break
 11193  		}
 11194  		v.reset(Op386MOVSSstore)
 11195  		v.AddArg3(ptr, val, mem)
 11196  		return true
 11197  	}
 11198  	// match: (Store {t} ptr val mem)
 11199  	// cond: t.Size() == 4
 11200  	// result: (MOVLstore ptr val mem)
 11201  	for {
 11202  		t := auxToType(v.Aux)
 11203  		ptr := v_0
 11204  		val := v_1
 11205  		mem := v_2
 11206  		if !(t.Size() == 4) {
 11207  			break
 11208  		}
 11209  		v.reset(Op386MOVLstore)
 11210  		v.AddArg3(ptr, val, mem)
 11211  		return true
 11212  	}
 11213  	// match: (Store {t} ptr val mem)
 11214  	// cond: t.Size() == 2
 11215  	// result: (MOVWstore ptr val mem)
 11216  	for {
 11217  		t := auxToType(v.Aux)
 11218  		ptr := v_0
 11219  		val := v_1
 11220  		mem := v_2
 11221  		if !(t.Size() == 2) {
 11222  			break
 11223  		}
 11224  		v.reset(Op386MOVWstore)
 11225  		v.AddArg3(ptr, val, mem)
 11226  		return true
 11227  	}
 11228  	// match: (Store {t} ptr val mem)
 11229  	// cond: t.Size() == 1
 11230  	// result: (MOVBstore ptr val mem)
 11231  	for {
 11232  		t := auxToType(v.Aux)
 11233  		ptr := v_0
 11234  		val := v_1
 11235  		mem := v_2
 11236  		if !(t.Size() == 1) {
 11237  			break
 11238  		}
 11239  		v.reset(Op386MOVBstore)
 11240  		v.AddArg3(ptr, val, mem)
 11241  		return true
 11242  	}
 11243  	return false
 11244  }
 11245  func rewriteValue386_OpZero(v *Value) bool {
 11246  	v_1 := v.Args[1]
 11247  	v_0 := v.Args[0]
 11248  	b := v.Block
 11249  	config := b.Func.Config
 11250  	typ := &b.Func.Config.Types
 11251  	// match: (Zero [0] _ mem)
 11252  	// result: mem
 11253  	for {
 11254  		if auxIntToInt64(v.AuxInt) != 0 {
 11255  			break
 11256  		}
 11257  		mem := v_1
 11258  		v.copyOf(mem)
 11259  		return true
 11260  	}
 11261  	// match: (Zero [1] destptr mem)
 11262  	// result: (MOVBstoreconst [0] destptr mem)
 11263  	for {
 11264  		if auxIntToInt64(v.AuxInt) != 1 {
 11265  			break
 11266  		}
 11267  		destptr := v_0
 11268  		mem := v_1
 11269  		v.reset(Op386MOVBstoreconst)
 11270  		v.AuxInt = valAndOffToAuxInt(0)
 11271  		v.AddArg2(destptr, mem)
 11272  		return true
 11273  	}
 11274  	// match: (Zero [2] destptr mem)
 11275  	// result: (MOVWstoreconst [0] destptr mem)
 11276  	for {
 11277  		if auxIntToInt64(v.AuxInt) != 2 {
 11278  			break
 11279  		}
 11280  		destptr := v_0
 11281  		mem := v_1
 11282  		v.reset(Op386MOVWstoreconst)
 11283  		v.AuxInt = valAndOffToAuxInt(0)
 11284  		v.AddArg2(destptr, mem)
 11285  		return true
 11286  	}
 11287  	// match: (Zero [4] destptr mem)
 11288  	// result: (MOVLstoreconst [0] destptr mem)
 11289  	for {
 11290  		if auxIntToInt64(v.AuxInt) != 4 {
 11291  			break
 11292  		}
 11293  		destptr := v_0
 11294  		mem := v_1
 11295  		v.reset(Op386MOVLstoreconst)
 11296  		v.AuxInt = valAndOffToAuxInt(0)
 11297  		v.AddArg2(destptr, mem)
 11298  		return true
 11299  	}
 11300  	// match: (Zero [3] destptr mem)
 11301  	// result: (MOVBstoreconst [makeValAndOff(0,2)] destptr (MOVWstoreconst [makeValAndOff(0,0)] destptr mem))
 11302  	for {
 11303  		if auxIntToInt64(v.AuxInt) != 3 {
 11304  			break
 11305  		}
 11306  		destptr := v_0
 11307  		mem := v_1
 11308  		v.reset(Op386MOVBstoreconst)
 11309  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 2))
 11310  		v0 := b.NewValue0(v.Pos, Op386MOVWstoreconst, types.TypeMem)
 11311  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 11312  		v0.AddArg2(destptr, mem)
 11313  		v.AddArg2(destptr, v0)
 11314  		return true
 11315  	}
 11316  	// match: (Zero [5] destptr mem)
 11317  	// result: (MOVBstoreconst [makeValAndOff(0,4)] destptr (MOVLstoreconst [makeValAndOff(0,0)] destptr mem))
 11318  	for {
 11319  		if auxIntToInt64(v.AuxInt) != 5 {
 11320  			break
 11321  		}
 11322  		destptr := v_0
 11323  		mem := v_1
 11324  		v.reset(Op386MOVBstoreconst)
 11325  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 4))
 11326  		v0 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 11327  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 11328  		v0.AddArg2(destptr, mem)
 11329  		v.AddArg2(destptr, v0)
 11330  		return true
 11331  	}
 11332  	// match: (Zero [6] destptr mem)
 11333  	// result: (MOVWstoreconst [makeValAndOff(0,4)] destptr (MOVLstoreconst [makeValAndOff(0,0)] destptr mem))
 11334  	for {
 11335  		if auxIntToInt64(v.AuxInt) != 6 {
 11336  			break
 11337  		}
 11338  		destptr := v_0
 11339  		mem := v_1
 11340  		v.reset(Op386MOVWstoreconst)
 11341  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 4))
 11342  		v0 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 11343  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 11344  		v0.AddArg2(destptr, mem)
 11345  		v.AddArg2(destptr, v0)
 11346  		return true
 11347  	}
 11348  	// match: (Zero [7] destptr mem)
 11349  	// result: (MOVLstoreconst [makeValAndOff(0,3)] destptr (MOVLstoreconst [makeValAndOff(0,0)] destptr mem))
 11350  	for {
 11351  		if auxIntToInt64(v.AuxInt) != 7 {
 11352  			break
 11353  		}
 11354  		destptr := v_0
 11355  		mem := v_1
 11356  		v.reset(Op386MOVLstoreconst)
 11357  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 3))
 11358  		v0 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 11359  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 11360  		v0.AddArg2(destptr, mem)
 11361  		v.AddArg2(destptr, v0)
 11362  		return true
 11363  	}
 11364  	// match: (Zero [s] destptr mem)
 11365  	// cond: s%4 != 0 && s > 4
 11366  	// result: (Zero [s-s%4] (ADDLconst destptr [int32(s%4)]) (MOVLstoreconst [0] destptr mem))
 11367  	for {
 11368  		s := auxIntToInt64(v.AuxInt)
 11369  		destptr := v_0
 11370  		mem := v_1
 11371  		if !(s%4 != 0 && s > 4) {
 11372  			break
 11373  		}
 11374  		v.reset(OpZero)
 11375  		v.AuxInt = int64ToAuxInt(s - s%4)
 11376  		v0 := b.NewValue0(v.Pos, Op386ADDLconst, typ.UInt32)
 11377  		v0.AuxInt = int32ToAuxInt(int32(s % 4))
 11378  		v0.AddArg(destptr)
 11379  		v1 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 11380  		v1.AuxInt = valAndOffToAuxInt(0)
 11381  		v1.AddArg2(destptr, mem)
 11382  		v.AddArg2(v0, v1)
 11383  		return true
 11384  	}
 11385  	// match: (Zero [8] destptr mem)
 11386  	// result: (MOVLstoreconst [makeValAndOff(0,4)] destptr (MOVLstoreconst [makeValAndOff(0,0)] destptr mem))
 11387  	for {
 11388  		if auxIntToInt64(v.AuxInt) != 8 {
 11389  			break
 11390  		}
 11391  		destptr := v_0
 11392  		mem := v_1
 11393  		v.reset(Op386MOVLstoreconst)
 11394  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 4))
 11395  		v0 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 11396  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 11397  		v0.AddArg2(destptr, mem)
 11398  		v.AddArg2(destptr, v0)
 11399  		return true
 11400  	}
 11401  	// match: (Zero [12] destptr mem)
 11402  	// result: (MOVLstoreconst [makeValAndOff(0,8)] destptr (MOVLstoreconst [makeValAndOff(0,4)] destptr (MOVLstoreconst [makeValAndOff(0,0)] destptr mem)))
 11403  	for {
 11404  		if auxIntToInt64(v.AuxInt) != 12 {
 11405  			break
 11406  		}
 11407  		destptr := v_0
 11408  		mem := v_1
 11409  		v.reset(Op386MOVLstoreconst)
 11410  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 8))
 11411  		v0 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 11412  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 4))
 11413  		v1 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 11414  		v1.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 11415  		v1.AddArg2(destptr, mem)
 11416  		v0.AddArg2(destptr, v1)
 11417  		v.AddArg2(destptr, v0)
 11418  		return true
 11419  	}
 11420  	// match: (Zero [16] destptr mem)
 11421  	// result: (MOVLstoreconst [makeValAndOff(0,12)] destptr (MOVLstoreconst [makeValAndOff(0,8)] destptr (MOVLstoreconst [makeValAndOff(0,4)] destptr (MOVLstoreconst [makeValAndOff(0,0)] destptr mem))))
 11422  	for {
 11423  		if auxIntToInt64(v.AuxInt) != 16 {
 11424  			break
 11425  		}
 11426  		destptr := v_0
 11427  		mem := v_1
 11428  		v.reset(Op386MOVLstoreconst)
 11429  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 12))
 11430  		v0 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 11431  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 8))
 11432  		v1 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 11433  		v1.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 4))
 11434  		v2 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 11435  		v2.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 11436  		v2.AddArg2(destptr, mem)
 11437  		v1.AddArg2(destptr, v2)
 11438  		v0.AddArg2(destptr, v1)
 11439  		v.AddArg2(destptr, v0)
 11440  		return true
 11441  	}
 11442  	// match: (Zero [s] destptr mem)
 11443  	// cond: s > 16 && s <= 4*128 && s%4 == 0 && !config.noDuffDevice
 11444  	// result: (DUFFZERO [1*(128-s/4)] destptr (MOVLconst [0]) mem)
 11445  	for {
 11446  		s := auxIntToInt64(v.AuxInt)
 11447  		destptr := v_0
 11448  		mem := v_1
 11449  		if !(s > 16 && s <= 4*128 && s%4 == 0 && !config.noDuffDevice) {
 11450  			break
 11451  		}
 11452  		v.reset(Op386DUFFZERO)
 11453  		v.AuxInt = int64ToAuxInt(1 * (128 - s/4))
 11454  		v0 := b.NewValue0(v.Pos, Op386MOVLconst, typ.UInt32)
 11455  		v0.AuxInt = int32ToAuxInt(0)
 11456  		v.AddArg3(destptr, v0, mem)
 11457  		return true
 11458  	}
 11459  	// match: (Zero [s] destptr mem)
 11460  	// cond: (s > 4*128 || (config.noDuffDevice && s > 16)) && s%4 == 0
 11461  	// result: (REPSTOSL destptr (MOVLconst [int32(s/4)]) (MOVLconst [0]) mem)
 11462  	for {
 11463  		s := auxIntToInt64(v.AuxInt)
 11464  		destptr := v_0
 11465  		mem := v_1
 11466  		if !((s > 4*128 || (config.noDuffDevice && s > 16)) && s%4 == 0) {
 11467  			break
 11468  		}
 11469  		v.reset(Op386REPSTOSL)
 11470  		v0 := b.NewValue0(v.Pos, Op386MOVLconst, typ.UInt32)
 11471  		v0.AuxInt = int32ToAuxInt(int32(s / 4))
 11472  		v1 := b.NewValue0(v.Pos, Op386MOVLconst, typ.UInt32)
 11473  		v1.AuxInt = int32ToAuxInt(0)
 11474  		v.AddArg4(destptr, v0, v1, mem)
 11475  		return true
 11476  	}
 11477  	return false
 11478  }
 11479  func rewriteValue386_OpZeromask(v *Value) bool {
 11480  	v_0 := v.Args[0]
 11481  	b := v.Block
 11482  	// match: (Zeromask <t> x)
 11483  	// result: (XORLconst [-1] (SBBLcarrymask <t> (CMPLconst x [1])))
 11484  	for {
 11485  		t := v.Type
 11486  		x := v_0
 11487  		v.reset(Op386XORLconst)
 11488  		v.AuxInt = int32ToAuxInt(-1)
 11489  		v0 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
 11490  		v1 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
 11491  		v1.AuxInt = int32ToAuxInt(1)
 11492  		v1.AddArg(x)
 11493  		v0.AddArg(v1)
 11494  		v.AddArg(v0)
 11495  		return true
 11496  	}
 11497  }
 11498  func rewriteBlock386(b *Block) bool {
 11499  	switch b.Kind {
 11500  	case Block386EQ:
 11501  		// match: (EQ (InvertFlags cmp) yes no)
 11502  		// result: (EQ cmp yes no)
 11503  		for b.Controls[0].Op == Op386InvertFlags {
 11504  			v_0 := b.Controls[0]
 11505  			cmp := v_0.Args[0]
 11506  			b.resetWithControl(Block386EQ, cmp)
 11507  			return true
 11508  		}
 11509  		// match: (EQ (FlagEQ) yes no)
 11510  		// result: (First yes no)
 11511  		for b.Controls[0].Op == Op386FlagEQ {
 11512  			b.Reset(BlockFirst)
 11513  			return true
 11514  		}
 11515  		// match: (EQ (FlagLT_ULT) yes no)
 11516  		// result: (First no yes)
 11517  		for b.Controls[0].Op == Op386FlagLT_ULT {
 11518  			b.Reset(BlockFirst)
 11519  			b.swapSuccessors()
 11520  			return true
 11521  		}
 11522  		// match: (EQ (FlagLT_UGT) yes no)
 11523  		// result: (First no yes)
 11524  		for b.Controls[0].Op == Op386FlagLT_UGT {
 11525  			b.Reset(BlockFirst)
 11526  			b.swapSuccessors()
 11527  			return true
 11528  		}
 11529  		// match: (EQ (FlagGT_ULT) yes no)
 11530  		// result: (First no yes)
 11531  		for b.Controls[0].Op == Op386FlagGT_ULT {
 11532  			b.Reset(BlockFirst)
 11533  			b.swapSuccessors()
 11534  			return true
 11535  		}
 11536  		// match: (EQ (FlagGT_UGT) yes no)
 11537  		// result: (First no yes)
 11538  		for b.Controls[0].Op == Op386FlagGT_UGT {
 11539  			b.Reset(BlockFirst)
 11540  			b.swapSuccessors()
 11541  			return true
 11542  		}
 11543  	case Block386GE:
 11544  		// match: (GE (InvertFlags cmp) yes no)
 11545  		// result: (LE cmp yes no)
 11546  		for b.Controls[0].Op == Op386InvertFlags {
 11547  			v_0 := b.Controls[0]
 11548  			cmp := v_0.Args[0]
 11549  			b.resetWithControl(Block386LE, cmp)
 11550  			return true
 11551  		}
 11552  		// match: (GE (FlagEQ) yes no)
 11553  		// result: (First yes no)
 11554  		for b.Controls[0].Op == Op386FlagEQ {
 11555  			b.Reset(BlockFirst)
 11556  			return true
 11557  		}
 11558  		// match: (GE (FlagLT_ULT) yes no)
 11559  		// result: (First no yes)
 11560  		for b.Controls[0].Op == Op386FlagLT_ULT {
 11561  			b.Reset(BlockFirst)
 11562  			b.swapSuccessors()
 11563  			return true
 11564  		}
 11565  		// match: (GE (FlagLT_UGT) yes no)
 11566  		// result: (First no yes)
 11567  		for b.Controls[0].Op == Op386FlagLT_UGT {
 11568  			b.Reset(BlockFirst)
 11569  			b.swapSuccessors()
 11570  			return true
 11571  		}
 11572  		// match: (GE (FlagGT_ULT) yes no)
 11573  		// result: (First yes no)
 11574  		for b.Controls[0].Op == Op386FlagGT_ULT {
 11575  			b.Reset(BlockFirst)
 11576  			return true
 11577  		}
 11578  		// match: (GE (FlagGT_UGT) yes no)
 11579  		// result: (First yes no)
 11580  		for b.Controls[0].Op == Op386FlagGT_UGT {
 11581  			b.Reset(BlockFirst)
 11582  			return true
 11583  		}
 11584  	case Block386GT:
 11585  		// match: (GT (InvertFlags cmp) yes no)
 11586  		// result: (LT cmp yes no)
 11587  		for b.Controls[0].Op == Op386InvertFlags {
 11588  			v_0 := b.Controls[0]
 11589  			cmp := v_0.Args[0]
 11590  			b.resetWithControl(Block386LT, cmp)
 11591  			return true
 11592  		}
 11593  		// match: (GT (FlagEQ) yes no)
 11594  		// result: (First no yes)
 11595  		for b.Controls[0].Op == Op386FlagEQ {
 11596  			b.Reset(BlockFirst)
 11597  			b.swapSuccessors()
 11598  			return true
 11599  		}
 11600  		// match: (GT (FlagLT_ULT) yes no)
 11601  		// result: (First no yes)
 11602  		for b.Controls[0].Op == Op386FlagLT_ULT {
 11603  			b.Reset(BlockFirst)
 11604  			b.swapSuccessors()
 11605  			return true
 11606  		}
 11607  		// match: (GT (FlagLT_UGT) yes no)
 11608  		// result: (First no yes)
 11609  		for b.Controls[0].Op == Op386FlagLT_UGT {
 11610  			b.Reset(BlockFirst)
 11611  			b.swapSuccessors()
 11612  			return true
 11613  		}
 11614  		// match: (GT (FlagGT_ULT) yes no)
 11615  		// result: (First yes no)
 11616  		for b.Controls[0].Op == Op386FlagGT_ULT {
 11617  			b.Reset(BlockFirst)
 11618  			return true
 11619  		}
 11620  		// match: (GT (FlagGT_UGT) yes no)
 11621  		// result: (First yes no)
 11622  		for b.Controls[0].Op == Op386FlagGT_UGT {
 11623  			b.Reset(BlockFirst)
 11624  			return true
 11625  		}
 11626  	case BlockIf:
 11627  		// match: (If (SETL cmp) yes no)
 11628  		// result: (LT cmp yes no)
 11629  		for b.Controls[0].Op == Op386SETL {
 11630  			v_0 := b.Controls[0]
 11631  			cmp := v_0.Args[0]
 11632  			b.resetWithControl(Block386LT, cmp)
 11633  			return true
 11634  		}
 11635  		// match: (If (SETLE cmp) yes no)
 11636  		// result: (LE cmp yes no)
 11637  		for b.Controls[0].Op == Op386SETLE {
 11638  			v_0 := b.Controls[0]
 11639  			cmp := v_0.Args[0]
 11640  			b.resetWithControl(Block386LE, cmp)
 11641  			return true
 11642  		}
 11643  		// match: (If (SETG cmp) yes no)
 11644  		// result: (GT cmp yes no)
 11645  		for b.Controls[0].Op == Op386SETG {
 11646  			v_0 := b.Controls[0]
 11647  			cmp := v_0.Args[0]
 11648  			b.resetWithControl(Block386GT, cmp)
 11649  			return true
 11650  		}
 11651  		// match: (If (SETGE cmp) yes no)
 11652  		// result: (GE cmp yes no)
 11653  		for b.Controls[0].Op == Op386SETGE {
 11654  			v_0 := b.Controls[0]
 11655  			cmp := v_0.Args[0]
 11656  			b.resetWithControl(Block386GE, cmp)
 11657  			return true
 11658  		}
 11659  		// match: (If (SETEQ cmp) yes no)
 11660  		// result: (EQ cmp yes no)
 11661  		for b.Controls[0].Op == Op386SETEQ {
 11662  			v_0 := b.Controls[0]
 11663  			cmp := v_0.Args[0]
 11664  			b.resetWithControl(Block386EQ, cmp)
 11665  			return true
 11666  		}
 11667  		// match: (If (SETNE cmp) yes no)
 11668  		// result: (NE cmp yes no)
 11669  		for b.Controls[0].Op == Op386SETNE {
 11670  			v_0 := b.Controls[0]
 11671  			cmp := v_0.Args[0]
 11672  			b.resetWithControl(Block386NE, cmp)
 11673  			return true
 11674  		}
 11675  		// match: (If (SETB cmp) yes no)
 11676  		// result: (ULT cmp yes no)
 11677  		for b.Controls[0].Op == Op386SETB {
 11678  			v_0 := b.Controls[0]
 11679  			cmp := v_0.Args[0]
 11680  			b.resetWithControl(Block386ULT, cmp)
 11681  			return true
 11682  		}
 11683  		// match: (If (SETBE cmp) yes no)
 11684  		// result: (ULE cmp yes no)
 11685  		for b.Controls[0].Op == Op386SETBE {
 11686  			v_0 := b.Controls[0]
 11687  			cmp := v_0.Args[0]
 11688  			b.resetWithControl(Block386ULE, cmp)
 11689  			return true
 11690  		}
 11691  		// match: (If (SETA cmp) yes no)
 11692  		// result: (UGT cmp yes no)
 11693  		for b.Controls[0].Op == Op386SETA {
 11694  			v_0 := b.Controls[0]
 11695  			cmp := v_0.Args[0]
 11696  			b.resetWithControl(Block386UGT, cmp)
 11697  			return true
 11698  		}
 11699  		// match: (If (SETAE cmp) yes no)
 11700  		// result: (UGE cmp yes no)
 11701  		for b.Controls[0].Op == Op386SETAE {
 11702  			v_0 := b.Controls[0]
 11703  			cmp := v_0.Args[0]
 11704  			b.resetWithControl(Block386UGE, cmp)
 11705  			return true
 11706  		}
 11707  		// match: (If (SETO cmp) yes no)
 11708  		// result: (OS cmp yes no)
 11709  		for b.Controls[0].Op == Op386SETO {
 11710  			v_0 := b.Controls[0]
 11711  			cmp := v_0.Args[0]
 11712  			b.resetWithControl(Block386OS, cmp)
 11713  			return true
 11714  		}
 11715  		// match: (If (SETGF cmp) yes no)
 11716  		// result: (UGT cmp yes no)
 11717  		for b.Controls[0].Op == Op386SETGF {
 11718  			v_0 := b.Controls[0]
 11719  			cmp := v_0.Args[0]
 11720  			b.resetWithControl(Block386UGT, cmp)
 11721  			return true
 11722  		}
 11723  		// match: (If (SETGEF cmp) yes no)
 11724  		// result: (UGE cmp yes no)
 11725  		for b.Controls[0].Op == Op386SETGEF {
 11726  			v_0 := b.Controls[0]
 11727  			cmp := v_0.Args[0]
 11728  			b.resetWithControl(Block386UGE, cmp)
 11729  			return true
 11730  		}
 11731  		// match: (If (SETEQF cmp) yes no)
 11732  		// result: (EQF cmp yes no)
 11733  		for b.Controls[0].Op == Op386SETEQF {
 11734  			v_0 := b.Controls[0]
 11735  			cmp := v_0.Args[0]
 11736  			b.resetWithControl(Block386EQF, cmp)
 11737  			return true
 11738  		}
 11739  		// match: (If (SETNEF cmp) yes no)
 11740  		// result: (NEF cmp yes no)
 11741  		for b.Controls[0].Op == Op386SETNEF {
 11742  			v_0 := b.Controls[0]
 11743  			cmp := v_0.Args[0]
 11744  			b.resetWithControl(Block386NEF, cmp)
 11745  			return true
 11746  		}
 11747  		// match: (If cond yes no)
 11748  		// result: (NE (TESTB cond cond) yes no)
 11749  		for {
 11750  			cond := b.Controls[0]
 11751  			v0 := b.NewValue0(cond.Pos, Op386TESTB, types.TypeFlags)
 11752  			v0.AddArg2(cond, cond)
 11753  			b.resetWithControl(Block386NE, v0)
 11754  			return true
 11755  		}
 11756  	case Block386LE:
 11757  		// match: (LE (InvertFlags cmp) yes no)
 11758  		// result: (GE cmp yes no)
 11759  		for b.Controls[0].Op == Op386InvertFlags {
 11760  			v_0 := b.Controls[0]
 11761  			cmp := v_0.Args[0]
 11762  			b.resetWithControl(Block386GE, cmp)
 11763  			return true
 11764  		}
 11765  		// match: (LE (FlagEQ) yes no)
 11766  		// result: (First yes no)
 11767  		for b.Controls[0].Op == Op386FlagEQ {
 11768  			b.Reset(BlockFirst)
 11769  			return true
 11770  		}
 11771  		// match: (LE (FlagLT_ULT) yes no)
 11772  		// result: (First yes no)
 11773  		for b.Controls[0].Op == Op386FlagLT_ULT {
 11774  			b.Reset(BlockFirst)
 11775  			return true
 11776  		}
 11777  		// match: (LE (FlagLT_UGT) yes no)
 11778  		// result: (First yes no)
 11779  		for b.Controls[0].Op == Op386FlagLT_UGT {
 11780  			b.Reset(BlockFirst)
 11781  			return true
 11782  		}
 11783  		// match: (LE (FlagGT_ULT) yes no)
 11784  		// result: (First no yes)
 11785  		for b.Controls[0].Op == Op386FlagGT_ULT {
 11786  			b.Reset(BlockFirst)
 11787  			b.swapSuccessors()
 11788  			return true
 11789  		}
 11790  		// match: (LE (FlagGT_UGT) yes no)
 11791  		// result: (First no yes)
 11792  		for b.Controls[0].Op == Op386FlagGT_UGT {
 11793  			b.Reset(BlockFirst)
 11794  			b.swapSuccessors()
 11795  			return true
 11796  		}
 11797  	case Block386LT:
 11798  		// match: (LT (InvertFlags cmp) yes no)
 11799  		// result: (GT cmp yes no)
 11800  		for b.Controls[0].Op == Op386InvertFlags {
 11801  			v_0 := b.Controls[0]
 11802  			cmp := v_0.Args[0]
 11803  			b.resetWithControl(Block386GT, cmp)
 11804  			return true
 11805  		}
 11806  		// match: (LT (FlagEQ) yes no)
 11807  		// result: (First no yes)
 11808  		for b.Controls[0].Op == Op386FlagEQ {
 11809  			b.Reset(BlockFirst)
 11810  			b.swapSuccessors()
 11811  			return true
 11812  		}
 11813  		// match: (LT (FlagLT_ULT) yes no)
 11814  		// result: (First yes no)
 11815  		for b.Controls[0].Op == Op386FlagLT_ULT {
 11816  			b.Reset(BlockFirst)
 11817  			return true
 11818  		}
 11819  		// match: (LT (FlagLT_UGT) yes no)
 11820  		// result: (First yes no)
 11821  		for b.Controls[0].Op == Op386FlagLT_UGT {
 11822  			b.Reset(BlockFirst)
 11823  			return true
 11824  		}
 11825  		// match: (LT (FlagGT_ULT) yes no)
 11826  		// result: (First no yes)
 11827  		for b.Controls[0].Op == Op386FlagGT_ULT {
 11828  			b.Reset(BlockFirst)
 11829  			b.swapSuccessors()
 11830  			return true
 11831  		}
 11832  		// match: (LT (FlagGT_UGT) yes no)
 11833  		// result: (First no yes)
 11834  		for b.Controls[0].Op == Op386FlagGT_UGT {
 11835  			b.Reset(BlockFirst)
 11836  			b.swapSuccessors()
 11837  			return true
 11838  		}
 11839  	case Block386NE:
 11840  		// match: (NE (TESTB (SETL cmp) (SETL cmp)) yes no)
 11841  		// result: (LT cmp yes no)
 11842  		for b.Controls[0].Op == Op386TESTB {
 11843  			v_0 := b.Controls[0]
 11844  			_ = v_0.Args[1]
 11845  			v_0_0 := v_0.Args[0]
 11846  			if v_0_0.Op != Op386SETL {
 11847  				break
 11848  			}
 11849  			cmp := v_0_0.Args[0]
 11850  			v_0_1 := v_0.Args[1]
 11851  			if v_0_1.Op != Op386SETL || cmp != v_0_1.Args[0] {
 11852  				break
 11853  			}
 11854  			b.resetWithControl(Block386LT, cmp)
 11855  			return true
 11856  		}
 11857  		// match: (NE (TESTB (SETLE cmp) (SETLE cmp)) yes no)
 11858  		// result: (LE cmp yes no)
 11859  		for b.Controls[0].Op == Op386TESTB {
 11860  			v_0 := b.Controls[0]
 11861  			_ = v_0.Args[1]
 11862  			v_0_0 := v_0.Args[0]
 11863  			if v_0_0.Op != Op386SETLE {
 11864  				break
 11865  			}
 11866  			cmp := v_0_0.Args[0]
 11867  			v_0_1 := v_0.Args[1]
 11868  			if v_0_1.Op != Op386SETLE || cmp != v_0_1.Args[0] {
 11869  				break
 11870  			}
 11871  			b.resetWithControl(Block386LE, cmp)
 11872  			return true
 11873  		}
 11874  		// match: (NE (TESTB (SETG cmp) (SETG cmp)) yes no)
 11875  		// result: (GT cmp yes no)
 11876  		for b.Controls[0].Op == Op386TESTB {
 11877  			v_0 := b.Controls[0]
 11878  			_ = v_0.Args[1]
 11879  			v_0_0 := v_0.Args[0]
 11880  			if v_0_0.Op != Op386SETG {
 11881  				break
 11882  			}
 11883  			cmp := v_0_0.Args[0]
 11884  			v_0_1 := v_0.Args[1]
 11885  			if v_0_1.Op != Op386SETG || cmp != v_0_1.Args[0] {
 11886  				break
 11887  			}
 11888  			b.resetWithControl(Block386GT, cmp)
 11889  			return true
 11890  		}
 11891  		// match: (NE (TESTB (SETGE cmp) (SETGE cmp)) yes no)
 11892  		// result: (GE cmp yes no)
 11893  		for b.Controls[0].Op == Op386TESTB {
 11894  			v_0 := b.Controls[0]
 11895  			_ = v_0.Args[1]
 11896  			v_0_0 := v_0.Args[0]
 11897  			if v_0_0.Op != Op386SETGE {
 11898  				break
 11899  			}
 11900  			cmp := v_0_0.Args[0]
 11901  			v_0_1 := v_0.Args[1]
 11902  			if v_0_1.Op != Op386SETGE || cmp != v_0_1.Args[0] {
 11903  				break
 11904  			}
 11905  			b.resetWithControl(Block386GE, cmp)
 11906  			return true
 11907  		}
 11908  		// match: (NE (TESTB (SETEQ cmp) (SETEQ cmp)) yes no)
 11909  		// result: (EQ cmp yes no)
 11910  		for b.Controls[0].Op == Op386TESTB {
 11911  			v_0 := b.Controls[0]
 11912  			_ = v_0.Args[1]
 11913  			v_0_0 := v_0.Args[0]
 11914  			if v_0_0.Op != Op386SETEQ {
 11915  				break
 11916  			}
 11917  			cmp := v_0_0.Args[0]
 11918  			v_0_1 := v_0.Args[1]
 11919  			if v_0_1.Op != Op386SETEQ || cmp != v_0_1.Args[0] {
 11920  				break
 11921  			}
 11922  			b.resetWithControl(Block386EQ, cmp)
 11923  			return true
 11924  		}
 11925  		// match: (NE (TESTB (SETNE cmp) (SETNE cmp)) yes no)
 11926  		// result: (NE cmp yes no)
 11927  		for b.Controls[0].Op == Op386TESTB {
 11928  			v_0 := b.Controls[0]
 11929  			_ = v_0.Args[1]
 11930  			v_0_0 := v_0.Args[0]
 11931  			if v_0_0.Op != Op386SETNE {
 11932  				break
 11933  			}
 11934  			cmp := v_0_0.Args[0]
 11935  			v_0_1 := v_0.Args[1]
 11936  			if v_0_1.Op != Op386SETNE || cmp != v_0_1.Args[0] {
 11937  				break
 11938  			}
 11939  			b.resetWithControl(Block386NE, cmp)
 11940  			return true
 11941  		}
 11942  		// match: (NE (TESTB (SETB cmp) (SETB cmp)) yes no)
 11943  		// result: (ULT cmp yes no)
 11944  		for b.Controls[0].Op == Op386TESTB {
 11945  			v_0 := b.Controls[0]
 11946  			_ = v_0.Args[1]
 11947  			v_0_0 := v_0.Args[0]
 11948  			if v_0_0.Op != Op386SETB {
 11949  				break
 11950  			}
 11951  			cmp := v_0_0.Args[0]
 11952  			v_0_1 := v_0.Args[1]
 11953  			if v_0_1.Op != Op386SETB || cmp != v_0_1.Args[0] {
 11954  				break
 11955  			}
 11956  			b.resetWithControl(Block386ULT, cmp)
 11957  			return true
 11958  		}
 11959  		// match: (NE (TESTB (SETBE cmp) (SETBE cmp)) yes no)
 11960  		// result: (ULE cmp yes no)
 11961  		for b.Controls[0].Op == Op386TESTB {
 11962  			v_0 := b.Controls[0]
 11963  			_ = v_0.Args[1]
 11964  			v_0_0 := v_0.Args[0]
 11965  			if v_0_0.Op != Op386SETBE {
 11966  				break
 11967  			}
 11968  			cmp := v_0_0.Args[0]
 11969  			v_0_1 := v_0.Args[1]
 11970  			if v_0_1.Op != Op386SETBE || cmp != v_0_1.Args[0] {
 11971  				break
 11972  			}
 11973  			b.resetWithControl(Block386ULE, cmp)
 11974  			return true
 11975  		}
 11976  		// match: (NE (TESTB (SETA cmp) (SETA cmp)) yes no)
 11977  		// result: (UGT cmp yes no)
 11978  		for b.Controls[0].Op == Op386TESTB {
 11979  			v_0 := b.Controls[0]
 11980  			_ = v_0.Args[1]
 11981  			v_0_0 := v_0.Args[0]
 11982  			if v_0_0.Op != Op386SETA {
 11983  				break
 11984  			}
 11985  			cmp := v_0_0.Args[0]
 11986  			v_0_1 := v_0.Args[1]
 11987  			if v_0_1.Op != Op386SETA || cmp != v_0_1.Args[0] {
 11988  				break
 11989  			}
 11990  			b.resetWithControl(Block386UGT, cmp)
 11991  			return true
 11992  		}
 11993  		// match: (NE (TESTB (SETAE cmp) (SETAE cmp)) yes no)
 11994  		// result: (UGE cmp yes no)
 11995  		for b.Controls[0].Op == Op386TESTB {
 11996  			v_0 := b.Controls[0]
 11997  			_ = v_0.Args[1]
 11998  			v_0_0 := v_0.Args[0]
 11999  			if v_0_0.Op != Op386SETAE {
 12000  				break
 12001  			}
 12002  			cmp := v_0_0.Args[0]
 12003  			v_0_1 := v_0.Args[1]
 12004  			if v_0_1.Op != Op386SETAE || cmp != v_0_1.Args[0] {
 12005  				break
 12006  			}
 12007  			b.resetWithControl(Block386UGE, cmp)
 12008  			return true
 12009  		}
 12010  		// match: (NE (TESTB (SETO cmp) (SETO cmp)) yes no)
 12011  		// result: (OS cmp yes no)
 12012  		for b.Controls[0].Op == Op386TESTB {
 12013  			v_0 := b.Controls[0]
 12014  			_ = v_0.Args[1]
 12015  			v_0_0 := v_0.Args[0]
 12016  			if v_0_0.Op != Op386SETO {
 12017  				break
 12018  			}
 12019  			cmp := v_0_0.Args[0]
 12020  			v_0_1 := v_0.Args[1]
 12021  			if v_0_1.Op != Op386SETO || cmp != v_0_1.Args[0] {
 12022  				break
 12023  			}
 12024  			b.resetWithControl(Block386OS, cmp)
 12025  			return true
 12026  		}
 12027  		// match: (NE (TESTB (SETGF cmp) (SETGF cmp)) yes no)
 12028  		// result: (UGT cmp yes no)
 12029  		for b.Controls[0].Op == Op386TESTB {
 12030  			v_0 := b.Controls[0]
 12031  			_ = v_0.Args[1]
 12032  			v_0_0 := v_0.Args[0]
 12033  			if v_0_0.Op != Op386SETGF {
 12034  				break
 12035  			}
 12036  			cmp := v_0_0.Args[0]
 12037  			v_0_1 := v_0.Args[1]
 12038  			if v_0_1.Op != Op386SETGF || cmp != v_0_1.Args[0] {
 12039  				break
 12040  			}
 12041  			b.resetWithControl(Block386UGT, cmp)
 12042  			return true
 12043  		}
 12044  		// match: (NE (TESTB (SETGEF cmp) (SETGEF cmp)) yes no)
 12045  		// result: (UGE cmp yes no)
 12046  		for b.Controls[0].Op == Op386TESTB {
 12047  			v_0 := b.Controls[0]
 12048  			_ = v_0.Args[1]
 12049  			v_0_0 := v_0.Args[0]
 12050  			if v_0_0.Op != Op386SETGEF {
 12051  				break
 12052  			}
 12053  			cmp := v_0_0.Args[0]
 12054  			v_0_1 := v_0.Args[1]
 12055  			if v_0_1.Op != Op386SETGEF || cmp != v_0_1.Args[0] {
 12056  				break
 12057  			}
 12058  			b.resetWithControl(Block386UGE, cmp)
 12059  			return true
 12060  		}
 12061  		// match: (NE (TESTB (SETEQF cmp) (SETEQF cmp)) yes no)
 12062  		// result: (EQF cmp yes no)
 12063  		for b.Controls[0].Op == Op386TESTB {
 12064  			v_0 := b.Controls[0]
 12065  			_ = v_0.Args[1]
 12066  			v_0_0 := v_0.Args[0]
 12067  			if v_0_0.Op != Op386SETEQF {
 12068  				break
 12069  			}
 12070  			cmp := v_0_0.Args[0]
 12071  			v_0_1 := v_0.Args[1]
 12072  			if v_0_1.Op != Op386SETEQF || cmp != v_0_1.Args[0] {
 12073  				break
 12074  			}
 12075  			b.resetWithControl(Block386EQF, cmp)
 12076  			return true
 12077  		}
 12078  		// match: (NE (TESTB (SETNEF cmp) (SETNEF cmp)) yes no)
 12079  		// result: (NEF cmp yes no)
 12080  		for b.Controls[0].Op == Op386TESTB {
 12081  			v_0 := b.Controls[0]
 12082  			_ = v_0.Args[1]
 12083  			v_0_0 := v_0.Args[0]
 12084  			if v_0_0.Op != Op386SETNEF {
 12085  				break
 12086  			}
 12087  			cmp := v_0_0.Args[0]
 12088  			v_0_1 := v_0.Args[1]
 12089  			if v_0_1.Op != Op386SETNEF || cmp != v_0_1.Args[0] {
 12090  				break
 12091  			}
 12092  			b.resetWithControl(Block386NEF, cmp)
 12093  			return true
 12094  		}
 12095  		// match: (NE (InvertFlags cmp) yes no)
 12096  		// result: (NE cmp yes no)
 12097  		for b.Controls[0].Op == Op386InvertFlags {
 12098  			v_0 := b.Controls[0]
 12099  			cmp := v_0.Args[0]
 12100  			b.resetWithControl(Block386NE, cmp)
 12101  			return true
 12102  		}
 12103  		// match: (NE (FlagEQ) yes no)
 12104  		// result: (First no yes)
 12105  		for b.Controls[0].Op == Op386FlagEQ {
 12106  			b.Reset(BlockFirst)
 12107  			b.swapSuccessors()
 12108  			return true
 12109  		}
 12110  		// match: (NE (FlagLT_ULT) yes no)
 12111  		// result: (First yes no)
 12112  		for b.Controls[0].Op == Op386FlagLT_ULT {
 12113  			b.Reset(BlockFirst)
 12114  			return true
 12115  		}
 12116  		// match: (NE (FlagLT_UGT) yes no)
 12117  		// result: (First yes no)
 12118  		for b.Controls[0].Op == Op386FlagLT_UGT {
 12119  			b.Reset(BlockFirst)
 12120  			return true
 12121  		}
 12122  		// match: (NE (FlagGT_ULT) yes no)
 12123  		// result: (First yes no)
 12124  		for b.Controls[0].Op == Op386FlagGT_ULT {
 12125  			b.Reset(BlockFirst)
 12126  			return true
 12127  		}
 12128  		// match: (NE (FlagGT_UGT) yes no)
 12129  		// result: (First yes no)
 12130  		for b.Controls[0].Op == Op386FlagGT_UGT {
 12131  			b.Reset(BlockFirst)
 12132  			return true
 12133  		}
 12134  	case Block386UGE:
 12135  		// match: (UGE (InvertFlags cmp) yes no)
 12136  		// result: (ULE cmp yes no)
 12137  		for b.Controls[0].Op == Op386InvertFlags {
 12138  			v_0 := b.Controls[0]
 12139  			cmp := v_0.Args[0]
 12140  			b.resetWithControl(Block386ULE, cmp)
 12141  			return true
 12142  		}
 12143  		// match: (UGE (FlagEQ) yes no)
 12144  		// result: (First yes no)
 12145  		for b.Controls[0].Op == Op386FlagEQ {
 12146  			b.Reset(BlockFirst)
 12147  			return true
 12148  		}
 12149  		// match: (UGE (FlagLT_ULT) yes no)
 12150  		// result: (First no yes)
 12151  		for b.Controls[0].Op == Op386FlagLT_ULT {
 12152  			b.Reset(BlockFirst)
 12153  			b.swapSuccessors()
 12154  			return true
 12155  		}
 12156  		// match: (UGE (FlagLT_UGT) yes no)
 12157  		// result: (First yes no)
 12158  		for b.Controls[0].Op == Op386FlagLT_UGT {
 12159  			b.Reset(BlockFirst)
 12160  			return true
 12161  		}
 12162  		// match: (UGE (FlagGT_ULT) yes no)
 12163  		// result: (First no yes)
 12164  		for b.Controls[0].Op == Op386FlagGT_ULT {
 12165  			b.Reset(BlockFirst)
 12166  			b.swapSuccessors()
 12167  			return true
 12168  		}
 12169  		// match: (UGE (FlagGT_UGT) yes no)
 12170  		// result: (First yes no)
 12171  		for b.Controls[0].Op == Op386FlagGT_UGT {
 12172  			b.Reset(BlockFirst)
 12173  			return true
 12174  		}
 12175  	case Block386UGT:
 12176  		// match: (UGT (InvertFlags cmp) yes no)
 12177  		// result: (ULT cmp yes no)
 12178  		for b.Controls[0].Op == Op386InvertFlags {
 12179  			v_0 := b.Controls[0]
 12180  			cmp := v_0.Args[0]
 12181  			b.resetWithControl(Block386ULT, cmp)
 12182  			return true
 12183  		}
 12184  		// match: (UGT (FlagEQ) yes no)
 12185  		// result: (First no yes)
 12186  		for b.Controls[0].Op == Op386FlagEQ {
 12187  			b.Reset(BlockFirst)
 12188  			b.swapSuccessors()
 12189  			return true
 12190  		}
 12191  		// match: (UGT (FlagLT_ULT) yes no)
 12192  		// result: (First no yes)
 12193  		for b.Controls[0].Op == Op386FlagLT_ULT {
 12194  			b.Reset(BlockFirst)
 12195  			b.swapSuccessors()
 12196  			return true
 12197  		}
 12198  		// match: (UGT (FlagLT_UGT) yes no)
 12199  		// result: (First yes no)
 12200  		for b.Controls[0].Op == Op386FlagLT_UGT {
 12201  			b.Reset(BlockFirst)
 12202  			return true
 12203  		}
 12204  		// match: (UGT (FlagGT_ULT) yes no)
 12205  		// result: (First no yes)
 12206  		for b.Controls[0].Op == Op386FlagGT_ULT {
 12207  			b.Reset(BlockFirst)
 12208  			b.swapSuccessors()
 12209  			return true
 12210  		}
 12211  		// match: (UGT (FlagGT_UGT) yes no)
 12212  		// result: (First yes no)
 12213  		for b.Controls[0].Op == Op386FlagGT_UGT {
 12214  			b.Reset(BlockFirst)
 12215  			return true
 12216  		}
 12217  	case Block386ULE:
 12218  		// match: (ULE (InvertFlags cmp) yes no)
 12219  		// result: (UGE cmp yes no)
 12220  		for b.Controls[0].Op == Op386InvertFlags {
 12221  			v_0 := b.Controls[0]
 12222  			cmp := v_0.Args[0]
 12223  			b.resetWithControl(Block386UGE, cmp)
 12224  			return true
 12225  		}
 12226  		// match: (ULE (FlagEQ) yes no)
 12227  		// result: (First yes no)
 12228  		for b.Controls[0].Op == Op386FlagEQ {
 12229  			b.Reset(BlockFirst)
 12230  			return true
 12231  		}
 12232  		// match: (ULE (FlagLT_ULT) yes no)
 12233  		// result: (First yes no)
 12234  		for b.Controls[0].Op == Op386FlagLT_ULT {
 12235  			b.Reset(BlockFirst)
 12236  			return true
 12237  		}
 12238  		// match: (ULE (FlagLT_UGT) yes no)
 12239  		// result: (First no yes)
 12240  		for b.Controls[0].Op == Op386FlagLT_UGT {
 12241  			b.Reset(BlockFirst)
 12242  			b.swapSuccessors()
 12243  			return true
 12244  		}
 12245  		// match: (ULE (FlagGT_ULT) yes no)
 12246  		// result: (First yes no)
 12247  		for b.Controls[0].Op == Op386FlagGT_ULT {
 12248  			b.Reset(BlockFirst)
 12249  			return true
 12250  		}
 12251  		// match: (ULE (FlagGT_UGT) yes no)
 12252  		// result: (First no yes)
 12253  		for b.Controls[0].Op == Op386FlagGT_UGT {
 12254  			b.Reset(BlockFirst)
 12255  			b.swapSuccessors()
 12256  			return true
 12257  		}
 12258  	case Block386ULT:
 12259  		// match: (ULT (InvertFlags cmp) yes no)
 12260  		// result: (UGT cmp yes no)
 12261  		for b.Controls[0].Op == Op386InvertFlags {
 12262  			v_0 := b.Controls[0]
 12263  			cmp := v_0.Args[0]
 12264  			b.resetWithControl(Block386UGT, cmp)
 12265  			return true
 12266  		}
 12267  		// match: (ULT (FlagEQ) yes no)
 12268  		// result: (First no yes)
 12269  		for b.Controls[0].Op == Op386FlagEQ {
 12270  			b.Reset(BlockFirst)
 12271  			b.swapSuccessors()
 12272  			return true
 12273  		}
 12274  		// match: (ULT (FlagLT_ULT) yes no)
 12275  		// result: (First yes no)
 12276  		for b.Controls[0].Op == Op386FlagLT_ULT {
 12277  			b.Reset(BlockFirst)
 12278  			return true
 12279  		}
 12280  		// match: (ULT (FlagLT_UGT) yes no)
 12281  		// result: (First no yes)
 12282  		for b.Controls[0].Op == Op386FlagLT_UGT {
 12283  			b.Reset(BlockFirst)
 12284  			b.swapSuccessors()
 12285  			return true
 12286  		}
 12287  		// match: (ULT (FlagGT_ULT) yes no)
 12288  		// result: (First yes no)
 12289  		for b.Controls[0].Op == Op386FlagGT_ULT {
 12290  			b.Reset(BlockFirst)
 12291  			return true
 12292  		}
 12293  		// match: (ULT (FlagGT_UGT) yes no)
 12294  		// result: (First no yes)
 12295  		for b.Controls[0].Op == Op386FlagGT_UGT {
 12296  			b.Reset(BlockFirst)
 12297  			b.swapSuccessors()
 12298  			return true
 12299  		}
 12300  	}
 12301  	return false
 12302  }