Source file src/cmd/compile/internal/ssa/rewrite386.go

     1  // Code generated from _gen/386.rules using 'go generate'; DO NOT EDIT.
     2  
     3  package ssa
     4  
     5  import "math"
     6  import "cmd/compile/internal/types"
     7  
     8  func rewriteValue386(v *Value) bool {
     9  	switch v.Op {
    10  	case Op386ADCL:
    11  		return rewriteValue386_Op386ADCL(v)
    12  	case Op386ADDL:
    13  		return rewriteValue386_Op386ADDL(v)
    14  	case Op386ADDLcarry:
    15  		return rewriteValue386_Op386ADDLcarry(v)
    16  	case Op386ADDLconst:
    17  		return rewriteValue386_Op386ADDLconst(v)
    18  	case Op386ADDLconstmodify:
    19  		return rewriteValue386_Op386ADDLconstmodify(v)
    20  	case Op386ADDLload:
    21  		return rewriteValue386_Op386ADDLload(v)
    22  	case Op386ADDLmodify:
    23  		return rewriteValue386_Op386ADDLmodify(v)
    24  	case Op386ADDSD:
    25  		return rewriteValue386_Op386ADDSD(v)
    26  	case Op386ADDSDload:
    27  		return rewriteValue386_Op386ADDSDload(v)
    28  	case Op386ADDSS:
    29  		return rewriteValue386_Op386ADDSS(v)
    30  	case Op386ADDSSload:
    31  		return rewriteValue386_Op386ADDSSload(v)
    32  	case Op386ANDL:
    33  		return rewriteValue386_Op386ANDL(v)
    34  	case Op386ANDLconst:
    35  		return rewriteValue386_Op386ANDLconst(v)
    36  	case Op386ANDLconstmodify:
    37  		return rewriteValue386_Op386ANDLconstmodify(v)
    38  	case Op386ANDLload:
    39  		return rewriteValue386_Op386ANDLload(v)
    40  	case Op386ANDLmodify:
    41  		return rewriteValue386_Op386ANDLmodify(v)
    42  	case Op386CMPB:
    43  		return rewriteValue386_Op386CMPB(v)
    44  	case Op386CMPBconst:
    45  		return rewriteValue386_Op386CMPBconst(v)
    46  	case Op386CMPBload:
    47  		return rewriteValue386_Op386CMPBload(v)
    48  	case Op386CMPL:
    49  		return rewriteValue386_Op386CMPL(v)
    50  	case Op386CMPLconst:
    51  		return rewriteValue386_Op386CMPLconst(v)
    52  	case Op386CMPLload:
    53  		return rewriteValue386_Op386CMPLload(v)
    54  	case Op386CMPW:
    55  		return rewriteValue386_Op386CMPW(v)
    56  	case Op386CMPWconst:
    57  		return rewriteValue386_Op386CMPWconst(v)
    58  	case Op386CMPWload:
    59  		return rewriteValue386_Op386CMPWload(v)
    60  	case Op386DIVSD:
    61  		return rewriteValue386_Op386DIVSD(v)
    62  	case Op386DIVSDload:
    63  		return rewriteValue386_Op386DIVSDload(v)
    64  	case Op386DIVSS:
    65  		return rewriteValue386_Op386DIVSS(v)
    66  	case Op386DIVSSload:
    67  		return rewriteValue386_Op386DIVSSload(v)
    68  	case Op386LEAL:
    69  		return rewriteValue386_Op386LEAL(v)
    70  	case Op386LEAL1:
    71  		return rewriteValue386_Op386LEAL1(v)
    72  	case Op386LEAL2:
    73  		return rewriteValue386_Op386LEAL2(v)
    74  	case Op386LEAL4:
    75  		return rewriteValue386_Op386LEAL4(v)
    76  	case Op386LEAL8:
    77  		return rewriteValue386_Op386LEAL8(v)
    78  	case Op386MOVBLSX:
    79  		return rewriteValue386_Op386MOVBLSX(v)
    80  	case Op386MOVBLSXload:
    81  		return rewriteValue386_Op386MOVBLSXload(v)
    82  	case Op386MOVBLZX:
    83  		return rewriteValue386_Op386MOVBLZX(v)
    84  	case Op386MOVBload:
    85  		return rewriteValue386_Op386MOVBload(v)
    86  	case Op386MOVBstore:
    87  		return rewriteValue386_Op386MOVBstore(v)
    88  	case Op386MOVBstoreconst:
    89  		return rewriteValue386_Op386MOVBstoreconst(v)
    90  	case Op386MOVLload:
    91  		return rewriteValue386_Op386MOVLload(v)
    92  	case Op386MOVLstore:
    93  		return rewriteValue386_Op386MOVLstore(v)
    94  	case Op386MOVLstoreconst:
    95  		return rewriteValue386_Op386MOVLstoreconst(v)
    96  	case Op386MOVSDconst:
    97  		return rewriteValue386_Op386MOVSDconst(v)
    98  	case Op386MOVSDload:
    99  		return rewriteValue386_Op386MOVSDload(v)
   100  	case Op386MOVSDstore:
   101  		return rewriteValue386_Op386MOVSDstore(v)
   102  	case Op386MOVSSconst:
   103  		return rewriteValue386_Op386MOVSSconst(v)
   104  	case Op386MOVSSload:
   105  		return rewriteValue386_Op386MOVSSload(v)
   106  	case Op386MOVSSstore:
   107  		return rewriteValue386_Op386MOVSSstore(v)
   108  	case Op386MOVWLSX:
   109  		return rewriteValue386_Op386MOVWLSX(v)
   110  	case Op386MOVWLSXload:
   111  		return rewriteValue386_Op386MOVWLSXload(v)
   112  	case Op386MOVWLZX:
   113  		return rewriteValue386_Op386MOVWLZX(v)
   114  	case Op386MOVWload:
   115  		return rewriteValue386_Op386MOVWload(v)
   116  	case Op386MOVWstore:
   117  		return rewriteValue386_Op386MOVWstore(v)
   118  	case Op386MOVWstoreconst:
   119  		return rewriteValue386_Op386MOVWstoreconst(v)
   120  	case Op386MULL:
   121  		return rewriteValue386_Op386MULL(v)
   122  	case Op386MULLconst:
   123  		return rewriteValue386_Op386MULLconst(v)
   124  	case Op386MULLload:
   125  		return rewriteValue386_Op386MULLload(v)
   126  	case Op386MULSD:
   127  		return rewriteValue386_Op386MULSD(v)
   128  	case Op386MULSDload:
   129  		return rewriteValue386_Op386MULSDload(v)
   130  	case Op386MULSS:
   131  		return rewriteValue386_Op386MULSS(v)
   132  	case Op386MULSSload:
   133  		return rewriteValue386_Op386MULSSload(v)
   134  	case Op386NEGL:
   135  		return rewriteValue386_Op386NEGL(v)
   136  	case Op386NOTL:
   137  		return rewriteValue386_Op386NOTL(v)
   138  	case Op386ORL:
   139  		return rewriteValue386_Op386ORL(v)
   140  	case Op386ORLconst:
   141  		return rewriteValue386_Op386ORLconst(v)
   142  	case Op386ORLconstmodify:
   143  		return rewriteValue386_Op386ORLconstmodify(v)
   144  	case Op386ORLload:
   145  		return rewriteValue386_Op386ORLload(v)
   146  	case Op386ORLmodify:
   147  		return rewriteValue386_Op386ORLmodify(v)
   148  	case Op386ROLB:
   149  		return rewriteValue386_Op386ROLB(v)
   150  	case Op386ROLBconst:
   151  		return rewriteValue386_Op386ROLBconst(v)
   152  	case Op386ROLL:
   153  		return rewriteValue386_Op386ROLL(v)
   154  	case Op386ROLLconst:
   155  		return rewriteValue386_Op386ROLLconst(v)
   156  	case Op386ROLW:
   157  		return rewriteValue386_Op386ROLW(v)
   158  	case Op386ROLWconst:
   159  		return rewriteValue386_Op386ROLWconst(v)
   160  	case Op386SARB:
   161  		return rewriteValue386_Op386SARB(v)
   162  	case Op386SARBconst:
   163  		return rewriteValue386_Op386SARBconst(v)
   164  	case Op386SARL:
   165  		return rewriteValue386_Op386SARL(v)
   166  	case Op386SARLconst:
   167  		return rewriteValue386_Op386SARLconst(v)
   168  	case Op386SARW:
   169  		return rewriteValue386_Op386SARW(v)
   170  	case Op386SARWconst:
   171  		return rewriteValue386_Op386SARWconst(v)
   172  	case Op386SBBL:
   173  		return rewriteValue386_Op386SBBL(v)
   174  	case Op386SBBLcarrymask:
   175  		return rewriteValue386_Op386SBBLcarrymask(v)
   176  	case Op386SETA:
   177  		return rewriteValue386_Op386SETA(v)
   178  	case Op386SETAE:
   179  		return rewriteValue386_Op386SETAE(v)
   180  	case Op386SETB:
   181  		return rewriteValue386_Op386SETB(v)
   182  	case Op386SETBE:
   183  		return rewriteValue386_Op386SETBE(v)
   184  	case Op386SETEQ:
   185  		return rewriteValue386_Op386SETEQ(v)
   186  	case Op386SETG:
   187  		return rewriteValue386_Op386SETG(v)
   188  	case Op386SETGE:
   189  		return rewriteValue386_Op386SETGE(v)
   190  	case Op386SETL:
   191  		return rewriteValue386_Op386SETL(v)
   192  	case Op386SETLE:
   193  		return rewriteValue386_Op386SETLE(v)
   194  	case Op386SETNE:
   195  		return rewriteValue386_Op386SETNE(v)
   196  	case Op386SHLL:
   197  		return rewriteValue386_Op386SHLL(v)
   198  	case Op386SHLLconst:
   199  		return rewriteValue386_Op386SHLLconst(v)
   200  	case Op386SHRB:
   201  		return rewriteValue386_Op386SHRB(v)
   202  	case Op386SHRBconst:
   203  		return rewriteValue386_Op386SHRBconst(v)
   204  	case Op386SHRL:
   205  		return rewriteValue386_Op386SHRL(v)
   206  	case Op386SHRLconst:
   207  		return rewriteValue386_Op386SHRLconst(v)
   208  	case Op386SHRW:
   209  		return rewriteValue386_Op386SHRW(v)
   210  	case Op386SHRWconst:
   211  		return rewriteValue386_Op386SHRWconst(v)
   212  	case Op386SUBL:
   213  		return rewriteValue386_Op386SUBL(v)
   214  	case Op386SUBLcarry:
   215  		return rewriteValue386_Op386SUBLcarry(v)
   216  	case Op386SUBLconst:
   217  		return rewriteValue386_Op386SUBLconst(v)
   218  	case Op386SUBLload:
   219  		return rewriteValue386_Op386SUBLload(v)
   220  	case Op386SUBLmodify:
   221  		return rewriteValue386_Op386SUBLmodify(v)
   222  	case Op386SUBSD:
   223  		return rewriteValue386_Op386SUBSD(v)
   224  	case Op386SUBSDload:
   225  		return rewriteValue386_Op386SUBSDload(v)
   226  	case Op386SUBSS:
   227  		return rewriteValue386_Op386SUBSS(v)
   228  	case Op386SUBSSload:
   229  		return rewriteValue386_Op386SUBSSload(v)
   230  	case Op386XORL:
   231  		return rewriteValue386_Op386XORL(v)
   232  	case Op386XORLconst:
   233  		return rewriteValue386_Op386XORLconst(v)
   234  	case Op386XORLconstmodify:
   235  		return rewriteValue386_Op386XORLconstmodify(v)
   236  	case Op386XORLload:
   237  		return rewriteValue386_Op386XORLload(v)
   238  	case Op386XORLmodify:
   239  		return rewriteValue386_Op386XORLmodify(v)
   240  	case OpAdd16:
   241  		v.Op = Op386ADDL
   242  		return true
   243  	case OpAdd32:
   244  		v.Op = Op386ADDL
   245  		return true
   246  	case OpAdd32F:
   247  		v.Op = Op386ADDSS
   248  		return true
   249  	case OpAdd32carry:
   250  		v.Op = Op386ADDLcarry
   251  		return true
   252  	case OpAdd32withcarry:
   253  		v.Op = Op386ADCL
   254  		return true
   255  	case OpAdd64F:
   256  		v.Op = Op386ADDSD
   257  		return true
   258  	case OpAdd8:
   259  		v.Op = Op386ADDL
   260  		return true
   261  	case OpAddPtr:
   262  		v.Op = Op386ADDL
   263  		return true
   264  	case OpAddr:
   265  		return rewriteValue386_OpAddr(v)
   266  	case OpAnd16:
   267  		v.Op = Op386ANDL
   268  		return true
   269  	case OpAnd32:
   270  		v.Op = Op386ANDL
   271  		return true
   272  	case OpAnd8:
   273  		v.Op = Op386ANDL
   274  		return true
   275  	case OpAndB:
   276  		v.Op = Op386ANDL
   277  		return true
   278  	case OpAvg32u:
   279  		v.Op = Op386AVGLU
   280  		return true
   281  	case OpBswap16:
   282  		return rewriteValue386_OpBswap16(v)
   283  	case OpBswap32:
   284  		v.Op = Op386BSWAPL
   285  		return true
   286  	case OpClosureCall:
   287  		v.Op = Op386CALLclosure
   288  		return true
   289  	case OpCom16:
   290  		v.Op = Op386NOTL
   291  		return true
   292  	case OpCom32:
   293  		v.Op = Op386NOTL
   294  		return true
   295  	case OpCom8:
   296  		v.Op = Op386NOTL
   297  		return true
   298  	case OpConst16:
   299  		return rewriteValue386_OpConst16(v)
   300  	case OpConst32:
   301  		v.Op = Op386MOVLconst
   302  		return true
   303  	case OpConst32F:
   304  		v.Op = Op386MOVSSconst
   305  		return true
   306  	case OpConst64F:
   307  		v.Op = Op386MOVSDconst
   308  		return true
   309  	case OpConst8:
   310  		return rewriteValue386_OpConst8(v)
   311  	case OpConstBool:
   312  		return rewriteValue386_OpConstBool(v)
   313  	case OpConstNil:
   314  		return rewriteValue386_OpConstNil(v)
   315  	case OpCtz16:
   316  		return rewriteValue386_OpCtz16(v)
   317  	case OpCtz16NonZero:
   318  		v.Op = Op386BSFL
   319  		return true
   320  	case OpCtz32:
   321  		v.Op = Op386LoweredCtz32
   322  		return true
   323  	case OpCtz32NonZero:
   324  		v.Op = Op386BSFL
   325  		return true
   326  	case OpCtz64On32:
   327  		v.Op = Op386LoweredCtz64
   328  		return true
   329  	case OpCtz8:
   330  		return rewriteValue386_OpCtz8(v)
   331  	case OpCtz8NonZero:
   332  		v.Op = Op386BSFL
   333  		return true
   334  	case OpCvt32Fto32:
   335  		v.Op = Op386CVTTSS2SL
   336  		return true
   337  	case OpCvt32Fto64F:
   338  		v.Op = Op386CVTSS2SD
   339  		return true
   340  	case OpCvt32to32F:
   341  		v.Op = Op386CVTSL2SS
   342  		return true
   343  	case OpCvt32to64F:
   344  		v.Op = Op386CVTSL2SD
   345  		return true
   346  	case OpCvt64Fto32:
   347  		v.Op = Op386CVTTSD2SL
   348  		return true
   349  	case OpCvt64Fto32F:
   350  		v.Op = Op386CVTSD2SS
   351  		return true
   352  	case OpCvtBoolToUint8:
   353  		v.Op = OpCopy
   354  		return true
   355  	case OpDiv16:
   356  		v.Op = Op386DIVW
   357  		return true
   358  	case OpDiv16u:
   359  		v.Op = Op386DIVWU
   360  		return true
   361  	case OpDiv32:
   362  		v.Op = Op386DIVL
   363  		return true
   364  	case OpDiv32F:
   365  		v.Op = Op386DIVSS
   366  		return true
   367  	case OpDiv32u:
   368  		v.Op = Op386DIVLU
   369  		return true
   370  	case OpDiv64F:
   371  		v.Op = Op386DIVSD
   372  		return true
   373  	case OpDiv8:
   374  		return rewriteValue386_OpDiv8(v)
   375  	case OpDiv8u:
   376  		return rewriteValue386_OpDiv8u(v)
   377  	case OpEq16:
   378  		return rewriteValue386_OpEq16(v)
   379  	case OpEq32:
   380  		return rewriteValue386_OpEq32(v)
   381  	case OpEq32F:
   382  		return rewriteValue386_OpEq32F(v)
   383  	case OpEq64F:
   384  		return rewriteValue386_OpEq64F(v)
   385  	case OpEq8:
   386  		return rewriteValue386_OpEq8(v)
   387  	case OpEqB:
   388  		return rewriteValue386_OpEqB(v)
   389  	case OpEqPtr:
   390  		return rewriteValue386_OpEqPtr(v)
   391  	case OpGetCallerPC:
   392  		v.Op = Op386LoweredGetCallerPC
   393  		return true
   394  	case OpGetCallerSP:
   395  		v.Op = Op386LoweredGetCallerSP
   396  		return true
   397  	case OpGetClosurePtr:
   398  		v.Op = Op386LoweredGetClosurePtr
   399  		return true
   400  	case OpGetG:
   401  		v.Op = Op386LoweredGetG
   402  		return true
   403  	case OpHmul32:
   404  		v.Op = Op386HMULL
   405  		return true
   406  	case OpHmul32u:
   407  		v.Op = Op386HMULLU
   408  		return true
   409  	case OpInterCall:
   410  		v.Op = Op386CALLinter
   411  		return true
   412  	case OpIsInBounds:
   413  		return rewriteValue386_OpIsInBounds(v)
   414  	case OpIsNonNil:
   415  		return rewriteValue386_OpIsNonNil(v)
   416  	case OpIsSliceInBounds:
   417  		return rewriteValue386_OpIsSliceInBounds(v)
   418  	case OpLeq16:
   419  		return rewriteValue386_OpLeq16(v)
   420  	case OpLeq16U:
   421  		return rewriteValue386_OpLeq16U(v)
   422  	case OpLeq32:
   423  		return rewriteValue386_OpLeq32(v)
   424  	case OpLeq32F:
   425  		return rewriteValue386_OpLeq32F(v)
   426  	case OpLeq32U:
   427  		return rewriteValue386_OpLeq32U(v)
   428  	case OpLeq64F:
   429  		return rewriteValue386_OpLeq64F(v)
   430  	case OpLeq8:
   431  		return rewriteValue386_OpLeq8(v)
   432  	case OpLeq8U:
   433  		return rewriteValue386_OpLeq8U(v)
   434  	case OpLess16:
   435  		return rewriteValue386_OpLess16(v)
   436  	case OpLess16U:
   437  		return rewriteValue386_OpLess16U(v)
   438  	case OpLess32:
   439  		return rewriteValue386_OpLess32(v)
   440  	case OpLess32F:
   441  		return rewriteValue386_OpLess32F(v)
   442  	case OpLess32U:
   443  		return rewriteValue386_OpLess32U(v)
   444  	case OpLess64F:
   445  		return rewriteValue386_OpLess64F(v)
   446  	case OpLess8:
   447  		return rewriteValue386_OpLess8(v)
   448  	case OpLess8U:
   449  		return rewriteValue386_OpLess8U(v)
   450  	case OpLoad:
   451  		return rewriteValue386_OpLoad(v)
   452  	case OpLocalAddr:
   453  		return rewriteValue386_OpLocalAddr(v)
   454  	case OpLsh16x16:
   455  		return rewriteValue386_OpLsh16x16(v)
   456  	case OpLsh16x32:
   457  		return rewriteValue386_OpLsh16x32(v)
   458  	case OpLsh16x64:
   459  		return rewriteValue386_OpLsh16x64(v)
   460  	case OpLsh16x8:
   461  		return rewriteValue386_OpLsh16x8(v)
   462  	case OpLsh32x16:
   463  		return rewriteValue386_OpLsh32x16(v)
   464  	case OpLsh32x32:
   465  		return rewriteValue386_OpLsh32x32(v)
   466  	case OpLsh32x64:
   467  		return rewriteValue386_OpLsh32x64(v)
   468  	case OpLsh32x8:
   469  		return rewriteValue386_OpLsh32x8(v)
   470  	case OpLsh8x16:
   471  		return rewriteValue386_OpLsh8x16(v)
   472  	case OpLsh8x32:
   473  		return rewriteValue386_OpLsh8x32(v)
   474  	case OpLsh8x64:
   475  		return rewriteValue386_OpLsh8x64(v)
   476  	case OpLsh8x8:
   477  		return rewriteValue386_OpLsh8x8(v)
   478  	case OpMod16:
   479  		v.Op = Op386MODW
   480  		return true
   481  	case OpMod16u:
   482  		v.Op = Op386MODWU
   483  		return true
   484  	case OpMod32:
   485  		v.Op = Op386MODL
   486  		return true
   487  	case OpMod32u:
   488  		v.Op = Op386MODLU
   489  		return true
   490  	case OpMod8:
   491  		return rewriteValue386_OpMod8(v)
   492  	case OpMod8u:
   493  		return rewriteValue386_OpMod8u(v)
   494  	case OpMove:
   495  		return rewriteValue386_OpMove(v)
   496  	case OpMul16:
   497  		v.Op = Op386MULL
   498  		return true
   499  	case OpMul32:
   500  		v.Op = Op386MULL
   501  		return true
   502  	case OpMul32F:
   503  		v.Op = Op386MULSS
   504  		return true
   505  	case OpMul32uhilo:
   506  		v.Op = Op386MULLQU
   507  		return true
   508  	case OpMul64F:
   509  		v.Op = Op386MULSD
   510  		return true
   511  	case OpMul8:
   512  		v.Op = Op386MULL
   513  		return true
   514  	case OpNeg16:
   515  		v.Op = Op386NEGL
   516  		return true
   517  	case OpNeg32:
   518  		v.Op = Op386NEGL
   519  		return true
   520  	case OpNeg32F:
   521  		return rewriteValue386_OpNeg32F(v)
   522  	case OpNeg64F:
   523  		return rewriteValue386_OpNeg64F(v)
   524  	case OpNeg8:
   525  		v.Op = Op386NEGL
   526  		return true
   527  	case OpNeq16:
   528  		return rewriteValue386_OpNeq16(v)
   529  	case OpNeq32:
   530  		return rewriteValue386_OpNeq32(v)
   531  	case OpNeq32F:
   532  		return rewriteValue386_OpNeq32F(v)
   533  	case OpNeq64F:
   534  		return rewriteValue386_OpNeq64F(v)
   535  	case OpNeq8:
   536  		return rewriteValue386_OpNeq8(v)
   537  	case OpNeqB:
   538  		return rewriteValue386_OpNeqB(v)
   539  	case OpNeqPtr:
   540  		return rewriteValue386_OpNeqPtr(v)
   541  	case OpNilCheck:
   542  		v.Op = Op386LoweredNilCheck
   543  		return true
   544  	case OpNot:
   545  		return rewriteValue386_OpNot(v)
   546  	case OpOffPtr:
   547  		return rewriteValue386_OpOffPtr(v)
   548  	case OpOr16:
   549  		v.Op = Op386ORL
   550  		return true
   551  	case OpOr32:
   552  		v.Op = Op386ORL
   553  		return true
   554  	case OpOr8:
   555  		v.Op = Op386ORL
   556  		return true
   557  	case OpOrB:
   558  		v.Op = Op386ORL
   559  		return true
   560  	case OpPanicBounds:
   561  		return rewriteValue386_OpPanicBounds(v)
   562  	case OpPanicExtend:
   563  		return rewriteValue386_OpPanicExtend(v)
   564  	case OpRotateLeft16:
   565  		v.Op = Op386ROLW
   566  		return true
   567  	case OpRotateLeft32:
   568  		v.Op = Op386ROLL
   569  		return true
   570  	case OpRotateLeft8:
   571  		v.Op = Op386ROLB
   572  		return true
   573  	case OpRound32F:
   574  		v.Op = OpCopy
   575  		return true
   576  	case OpRound64F:
   577  		v.Op = OpCopy
   578  		return true
   579  	case OpRsh16Ux16:
   580  		return rewriteValue386_OpRsh16Ux16(v)
   581  	case OpRsh16Ux32:
   582  		return rewriteValue386_OpRsh16Ux32(v)
   583  	case OpRsh16Ux64:
   584  		return rewriteValue386_OpRsh16Ux64(v)
   585  	case OpRsh16Ux8:
   586  		return rewriteValue386_OpRsh16Ux8(v)
   587  	case OpRsh16x16:
   588  		return rewriteValue386_OpRsh16x16(v)
   589  	case OpRsh16x32:
   590  		return rewriteValue386_OpRsh16x32(v)
   591  	case OpRsh16x64:
   592  		return rewriteValue386_OpRsh16x64(v)
   593  	case OpRsh16x8:
   594  		return rewriteValue386_OpRsh16x8(v)
   595  	case OpRsh32Ux16:
   596  		return rewriteValue386_OpRsh32Ux16(v)
   597  	case OpRsh32Ux32:
   598  		return rewriteValue386_OpRsh32Ux32(v)
   599  	case OpRsh32Ux64:
   600  		return rewriteValue386_OpRsh32Ux64(v)
   601  	case OpRsh32Ux8:
   602  		return rewriteValue386_OpRsh32Ux8(v)
   603  	case OpRsh32x16:
   604  		return rewriteValue386_OpRsh32x16(v)
   605  	case OpRsh32x32:
   606  		return rewriteValue386_OpRsh32x32(v)
   607  	case OpRsh32x64:
   608  		return rewriteValue386_OpRsh32x64(v)
   609  	case OpRsh32x8:
   610  		return rewriteValue386_OpRsh32x8(v)
   611  	case OpRsh8Ux16:
   612  		return rewriteValue386_OpRsh8Ux16(v)
   613  	case OpRsh8Ux32:
   614  		return rewriteValue386_OpRsh8Ux32(v)
   615  	case OpRsh8Ux64:
   616  		return rewriteValue386_OpRsh8Ux64(v)
   617  	case OpRsh8Ux8:
   618  		return rewriteValue386_OpRsh8Ux8(v)
   619  	case OpRsh8x16:
   620  		return rewriteValue386_OpRsh8x16(v)
   621  	case OpRsh8x32:
   622  		return rewriteValue386_OpRsh8x32(v)
   623  	case OpRsh8x64:
   624  		return rewriteValue386_OpRsh8x64(v)
   625  	case OpRsh8x8:
   626  		return rewriteValue386_OpRsh8x8(v)
   627  	case OpSelect0:
   628  		return rewriteValue386_OpSelect0(v)
   629  	case OpSelect1:
   630  		return rewriteValue386_OpSelect1(v)
   631  	case OpSignExt16to32:
   632  		v.Op = Op386MOVWLSX
   633  		return true
   634  	case OpSignExt8to16:
   635  		v.Op = Op386MOVBLSX
   636  		return true
   637  	case OpSignExt8to32:
   638  		v.Op = Op386MOVBLSX
   639  		return true
   640  	case OpSignmask:
   641  		return rewriteValue386_OpSignmask(v)
   642  	case OpSlicemask:
   643  		return rewriteValue386_OpSlicemask(v)
   644  	case OpSqrt:
   645  		v.Op = Op386SQRTSD
   646  		return true
   647  	case OpSqrt32:
   648  		v.Op = Op386SQRTSS
   649  		return true
   650  	case OpStaticCall:
   651  		v.Op = Op386CALLstatic
   652  		return true
   653  	case OpStore:
   654  		return rewriteValue386_OpStore(v)
   655  	case OpSub16:
   656  		v.Op = Op386SUBL
   657  		return true
   658  	case OpSub32:
   659  		v.Op = Op386SUBL
   660  		return true
   661  	case OpSub32F:
   662  		v.Op = Op386SUBSS
   663  		return true
   664  	case OpSub32carry:
   665  		v.Op = Op386SUBLcarry
   666  		return true
   667  	case OpSub32withcarry:
   668  		v.Op = Op386SBBL
   669  		return true
   670  	case OpSub64F:
   671  		v.Op = Op386SUBSD
   672  		return true
   673  	case OpSub8:
   674  		v.Op = Op386SUBL
   675  		return true
   676  	case OpSubPtr:
   677  		v.Op = Op386SUBL
   678  		return true
   679  	case OpTailCall:
   680  		v.Op = Op386CALLtail
   681  		return true
   682  	case OpTrunc16to8:
   683  		v.Op = OpCopy
   684  		return true
   685  	case OpTrunc32to16:
   686  		v.Op = OpCopy
   687  		return true
   688  	case OpTrunc32to8:
   689  		v.Op = OpCopy
   690  		return true
   691  	case OpWB:
   692  		v.Op = Op386LoweredWB
   693  		return true
   694  	case OpXor16:
   695  		v.Op = Op386XORL
   696  		return true
   697  	case OpXor32:
   698  		v.Op = Op386XORL
   699  		return true
   700  	case OpXor8:
   701  		v.Op = Op386XORL
   702  		return true
   703  	case OpZero:
   704  		return rewriteValue386_OpZero(v)
   705  	case OpZeroExt16to32:
   706  		v.Op = Op386MOVWLZX
   707  		return true
   708  	case OpZeroExt8to16:
   709  		v.Op = Op386MOVBLZX
   710  		return true
   711  	case OpZeroExt8to32:
   712  		v.Op = Op386MOVBLZX
   713  		return true
   714  	case OpZeromask:
   715  		return rewriteValue386_OpZeromask(v)
   716  	}
   717  	return false
   718  }
   719  func rewriteValue386_Op386ADCL(v *Value) bool {
   720  	v_2 := v.Args[2]
   721  	v_1 := v.Args[1]
   722  	v_0 := v.Args[0]
   723  	// match: (ADCL x (MOVLconst [c]) f)
   724  	// result: (ADCLconst [c] x f)
   725  	for {
   726  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   727  			x := v_0
   728  			if v_1.Op != Op386MOVLconst {
   729  				continue
   730  			}
   731  			c := auxIntToInt32(v_1.AuxInt)
   732  			f := v_2
   733  			v.reset(Op386ADCLconst)
   734  			v.AuxInt = int32ToAuxInt(c)
   735  			v.AddArg2(x, f)
   736  			return true
   737  		}
   738  		break
   739  	}
   740  	return false
   741  }
   742  func rewriteValue386_Op386ADDL(v *Value) bool {
   743  	v_1 := v.Args[1]
   744  	v_0 := v.Args[0]
   745  	// match: (ADDL x (MOVLconst <t> [c]))
   746  	// cond: !t.IsPtr()
   747  	// result: (ADDLconst [c] x)
   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 != Op386MOVLconst {
   752  				continue
   753  			}
   754  			t := v_1.Type
   755  			c := auxIntToInt32(v_1.AuxInt)
   756  			if !(!t.IsPtr()) {
   757  				continue
   758  			}
   759  			v.reset(Op386ADDLconst)
   760  			v.AuxInt = int32ToAuxInt(c)
   761  			v.AddArg(x)
   762  			return true
   763  		}
   764  		break
   765  	}
   766  	// match: (ADDL x (SHLLconst [3] y))
   767  	// result: (LEAL8 x y)
   768  	for {
   769  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   770  			x := v_0
   771  			if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 3 {
   772  				continue
   773  			}
   774  			y := v_1.Args[0]
   775  			v.reset(Op386LEAL8)
   776  			v.AddArg2(x, y)
   777  			return true
   778  		}
   779  		break
   780  	}
   781  	// match: (ADDL x (SHLLconst [2] y))
   782  	// result: (LEAL4 x y)
   783  	for {
   784  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   785  			x := v_0
   786  			if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 2 {
   787  				continue
   788  			}
   789  			y := v_1.Args[0]
   790  			v.reset(Op386LEAL4)
   791  			v.AddArg2(x, y)
   792  			return true
   793  		}
   794  		break
   795  	}
   796  	// match: (ADDL x (SHLLconst [1] y))
   797  	// result: (LEAL2 x y)
   798  	for {
   799  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   800  			x := v_0
   801  			if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 1 {
   802  				continue
   803  			}
   804  			y := v_1.Args[0]
   805  			v.reset(Op386LEAL2)
   806  			v.AddArg2(x, y)
   807  			return true
   808  		}
   809  		break
   810  	}
   811  	// match: (ADDL x (ADDL y y))
   812  	// result: (LEAL2 x y)
   813  	for {
   814  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   815  			x := v_0
   816  			if v_1.Op != Op386ADDL {
   817  				continue
   818  			}
   819  			y := v_1.Args[1]
   820  			if y != v_1.Args[0] {
   821  				continue
   822  			}
   823  			v.reset(Op386LEAL2)
   824  			v.AddArg2(x, y)
   825  			return true
   826  		}
   827  		break
   828  	}
   829  	// match: (ADDL x (ADDL x y))
   830  	// result: (LEAL2 y x)
   831  	for {
   832  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   833  			x := v_0
   834  			if v_1.Op != Op386ADDL {
   835  				continue
   836  			}
   837  			_ = v_1.Args[1]
   838  			v_1_0 := v_1.Args[0]
   839  			v_1_1 := v_1.Args[1]
   840  			for _i1 := 0; _i1 <= 1; _i1, v_1_0, v_1_1 = _i1+1, v_1_1, v_1_0 {
   841  				if x != v_1_0 {
   842  					continue
   843  				}
   844  				y := v_1_1
   845  				v.reset(Op386LEAL2)
   846  				v.AddArg2(y, x)
   847  				return true
   848  			}
   849  		}
   850  		break
   851  	}
   852  	// match: (ADDL (ADDLconst [c] x) y)
   853  	// result: (LEAL1 [c] x y)
   854  	for {
   855  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   856  			if v_0.Op != Op386ADDLconst {
   857  				continue
   858  			}
   859  			c := auxIntToInt32(v_0.AuxInt)
   860  			x := v_0.Args[0]
   861  			y := v_1
   862  			v.reset(Op386LEAL1)
   863  			v.AuxInt = int32ToAuxInt(c)
   864  			v.AddArg2(x, y)
   865  			return true
   866  		}
   867  		break
   868  	}
   869  	// match: (ADDL x (LEAL [c] {s} y))
   870  	// cond: x.Op != OpSB && y.Op != OpSB
   871  	// result: (LEAL1 [c] {s} x y)
   872  	for {
   873  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   874  			x := v_0
   875  			if v_1.Op != Op386LEAL {
   876  				continue
   877  			}
   878  			c := auxIntToInt32(v_1.AuxInt)
   879  			s := auxToSym(v_1.Aux)
   880  			y := v_1.Args[0]
   881  			if !(x.Op != OpSB && y.Op != OpSB) {
   882  				continue
   883  			}
   884  			v.reset(Op386LEAL1)
   885  			v.AuxInt = int32ToAuxInt(c)
   886  			v.Aux = symToAux(s)
   887  			v.AddArg2(x, y)
   888  			return true
   889  		}
   890  		break
   891  	}
   892  	// match: (ADDL x l:(MOVLload [off] {sym} ptr mem))
   893  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
   894  	// result: (ADDLload x [off] {sym} ptr mem)
   895  	for {
   896  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   897  			x := v_0
   898  			l := v_1
   899  			if l.Op != Op386MOVLload {
   900  				continue
   901  			}
   902  			off := auxIntToInt32(l.AuxInt)
   903  			sym := auxToSym(l.Aux)
   904  			mem := l.Args[1]
   905  			ptr := l.Args[0]
   906  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
   907  				continue
   908  			}
   909  			v.reset(Op386ADDLload)
   910  			v.AuxInt = int32ToAuxInt(off)
   911  			v.Aux = symToAux(sym)
   912  			v.AddArg3(x, ptr, mem)
   913  			return true
   914  		}
   915  		break
   916  	}
   917  	// match: (ADDL x (NEGL y))
   918  	// result: (SUBL x y)
   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 != Op386NEGL {
   923  				continue
   924  			}
   925  			y := v_1.Args[0]
   926  			v.reset(Op386SUBL)
   927  			v.AddArg2(x, y)
   928  			return true
   929  		}
   930  		break
   931  	}
   932  	return false
   933  }
   934  func rewriteValue386_Op386ADDLcarry(v *Value) bool {
   935  	v_1 := v.Args[1]
   936  	v_0 := v.Args[0]
   937  	// match: (ADDLcarry x (MOVLconst [c]))
   938  	// result: (ADDLconstcarry [c] x)
   939  	for {
   940  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
   941  			x := v_0
   942  			if v_1.Op != Op386MOVLconst {
   943  				continue
   944  			}
   945  			c := auxIntToInt32(v_1.AuxInt)
   946  			v.reset(Op386ADDLconstcarry)
   947  			v.AuxInt = int32ToAuxInt(c)
   948  			v.AddArg(x)
   949  			return true
   950  		}
   951  		break
   952  	}
   953  	return false
   954  }
   955  func rewriteValue386_Op386ADDLconst(v *Value) bool {
   956  	v_0 := v.Args[0]
   957  	// match: (ADDLconst [c] (ADDL x y))
   958  	// result: (LEAL1 [c] x y)
   959  	for {
   960  		c := auxIntToInt32(v.AuxInt)
   961  		if v_0.Op != Op386ADDL {
   962  			break
   963  		}
   964  		y := v_0.Args[1]
   965  		x := v_0.Args[0]
   966  		v.reset(Op386LEAL1)
   967  		v.AuxInt = int32ToAuxInt(c)
   968  		v.AddArg2(x, y)
   969  		return true
   970  	}
   971  	// match: (ADDLconst [c] (LEAL [d] {s} x))
   972  	// cond: is32Bit(int64(c)+int64(d))
   973  	// result: (LEAL [c+d] {s} x)
   974  	for {
   975  		c := auxIntToInt32(v.AuxInt)
   976  		if v_0.Op != Op386LEAL {
   977  			break
   978  		}
   979  		d := auxIntToInt32(v_0.AuxInt)
   980  		s := auxToSym(v_0.Aux)
   981  		x := v_0.Args[0]
   982  		if !(is32Bit(int64(c) + int64(d))) {
   983  			break
   984  		}
   985  		v.reset(Op386LEAL)
   986  		v.AuxInt = int32ToAuxInt(c + d)
   987  		v.Aux = symToAux(s)
   988  		v.AddArg(x)
   989  		return true
   990  	}
   991  	// match: (ADDLconst [c] x:(SP))
   992  	// result: (LEAL [c] x)
   993  	for {
   994  		c := auxIntToInt32(v.AuxInt)
   995  		x := v_0
   996  		if x.Op != OpSP {
   997  			break
   998  		}
   999  		v.reset(Op386LEAL)
  1000  		v.AuxInt = int32ToAuxInt(c)
  1001  		v.AddArg(x)
  1002  		return true
  1003  	}
  1004  	// match: (ADDLconst [c] (LEAL1 [d] {s} x y))
  1005  	// cond: is32Bit(int64(c)+int64(d))
  1006  	// result: (LEAL1 [c+d] {s} x y)
  1007  	for {
  1008  		c := auxIntToInt32(v.AuxInt)
  1009  		if v_0.Op != Op386LEAL1 {
  1010  			break
  1011  		}
  1012  		d := auxIntToInt32(v_0.AuxInt)
  1013  		s := auxToSym(v_0.Aux)
  1014  		y := v_0.Args[1]
  1015  		x := v_0.Args[0]
  1016  		if !(is32Bit(int64(c) + int64(d))) {
  1017  			break
  1018  		}
  1019  		v.reset(Op386LEAL1)
  1020  		v.AuxInt = int32ToAuxInt(c + d)
  1021  		v.Aux = symToAux(s)
  1022  		v.AddArg2(x, y)
  1023  		return true
  1024  	}
  1025  	// match: (ADDLconst [c] (LEAL2 [d] {s} x y))
  1026  	// cond: is32Bit(int64(c)+int64(d))
  1027  	// result: (LEAL2 [c+d] {s} x y)
  1028  	for {
  1029  		c := auxIntToInt32(v.AuxInt)
  1030  		if v_0.Op != Op386LEAL2 {
  1031  			break
  1032  		}
  1033  		d := auxIntToInt32(v_0.AuxInt)
  1034  		s := auxToSym(v_0.Aux)
  1035  		y := v_0.Args[1]
  1036  		x := v_0.Args[0]
  1037  		if !(is32Bit(int64(c) + int64(d))) {
  1038  			break
  1039  		}
  1040  		v.reset(Op386LEAL2)
  1041  		v.AuxInt = int32ToAuxInt(c + d)
  1042  		v.Aux = symToAux(s)
  1043  		v.AddArg2(x, y)
  1044  		return true
  1045  	}
  1046  	// match: (ADDLconst [c] (LEAL4 [d] {s} x y))
  1047  	// cond: is32Bit(int64(c)+int64(d))
  1048  	// result: (LEAL4 [c+d] {s} x y)
  1049  	for {
  1050  		c := auxIntToInt32(v.AuxInt)
  1051  		if v_0.Op != Op386LEAL4 {
  1052  			break
  1053  		}
  1054  		d := auxIntToInt32(v_0.AuxInt)
  1055  		s := auxToSym(v_0.Aux)
  1056  		y := v_0.Args[1]
  1057  		x := v_0.Args[0]
  1058  		if !(is32Bit(int64(c) + int64(d))) {
  1059  			break
  1060  		}
  1061  		v.reset(Op386LEAL4)
  1062  		v.AuxInt = int32ToAuxInt(c + d)
  1063  		v.Aux = symToAux(s)
  1064  		v.AddArg2(x, y)
  1065  		return true
  1066  	}
  1067  	// match: (ADDLconst [c] (LEAL8 [d] {s} x y))
  1068  	// cond: is32Bit(int64(c)+int64(d))
  1069  	// result: (LEAL8 [c+d] {s} x y)
  1070  	for {
  1071  		c := auxIntToInt32(v.AuxInt)
  1072  		if v_0.Op != Op386LEAL8 {
  1073  			break
  1074  		}
  1075  		d := auxIntToInt32(v_0.AuxInt)
  1076  		s := auxToSym(v_0.Aux)
  1077  		y := v_0.Args[1]
  1078  		x := v_0.Args[0]
  1079  		if !(is32Bit(int64(c) + int64(d))) {
  1080  			break
  1081  		}
  1082  		v.reset(Op386LEAL8)
  1083  		v.AuxInt = int32ToAuxInt(c + d)
  1084  		v.Aux = symToAux(s)
  1085  		v.AddArg2(x, y)
  1086  		return true
  1087  	}
  1088  	// match: (ADDLconst [c] x)
  1089  	// cond: c==0
  1090  	// result: x
  1091  	for {
  1092  		c := auxIntToInt32(v.AuxInt)
  1093  		x := v_0
  1094  		if !(c == 0) {
  1095  			break
  1096  		}
  1097  		v.copyOf(x)
  1098  		return true
  1099  	}
  1100  	// match: (ADDLconst [c] (MOVLconst [d]))
  1101  	// result: (MOVLconst [c+d])
  1102  	for {
  1103  		c := auxIntToInt32(v.AuxInt)
  1104  		if v_0.Op != Op386MOVLconst {
  1105  			break
  1106  		}
  1107  		d := auxIntToInt32(v_0.AuxInt)
  1108  		v.reset(Op386MOVLconst)
  1109  		v.AuxInt = int32ToAuxInt(c + d)
  1110  		return true
  1111  	}
  1112  	// match: (ADDLconst [c] (ADDLconst [d] x))
  1113  	// result: (ADDLconst [c+d] x)
  1114  	for {
  1115  		c := auxIntToInt32(v.AuxInt)
  1116  		if v_0.Op != Op386ADDLconst {
  1117  			break
  1118  		}
  1119  		d := auxIntToInt32(v_0.AuxInt)
  1120  		x := v_0.Args[0]
  1121  		v.reset(Op386ADDLconst)
  1122  		v.AuxInt = int32ToAuxInt(c + d)
  1123  		v.AddArg(x)
  1124  		return true
  1125  	}
  1126  	return false
  1127  }
  1128  func rewriteValue386_Op386ADDLconstmodify(v *Value) bool {
  1129  	v_1 := v.Args[1]
  1130  	v_0 := v.Args[0]
  1131  	b := v.Block
  1132  	config := b.Func.Config
  1133  	// match: (ADDLconstmodify [valoff1] {sym} (ADDLconst [off2] base) mem)
  1134  	// cond: valoff1.canAdd32(off2)
  1135  	// result: (ADDLconstmodify [valoff1.addOffset32(off2)] {sym} base mem)
  1136  	for {
  1137  		valoff1 := auxIntToValAndOff(v.AuxInt)
  1138  		sym := auxToSym(v.Aux)
  1139  		if v_0.Op != Op386ADDLconst {
  1140  			break
  1141  		}
  1142  		off2 := auxIntToInt32(v_0.AuxInt)
  1143  		base := v_0.Args[0]
  1144  		mem := v_1
  1145  		if !(valoff1.canAdd32(off2)) {
  1146  			break
  1147  		}
  1148  		v.reset(Op386ADDLconstmodify)
  1149  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  1150  		v.Aux = symToAux(sym)
  1151  		v.AddArg2(base, mem)
  1152  		return true
  1153  	}
  1154  	// match: (ADDLconstmodify [valoff1] {sym1} (LEAL [off2] {sym2} base) mem)
  1155  	// cond: valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1156  	// result: (ADDLconstmodify [valoff1.addOffset32(off2)] {mergeSym(sym1,sym2)} base mem)
  1157  	for {
  1158  		valoff1 := auxIntToValAndOff(v.AuxInt)
  1159  		sym1 := auxToSym(v.Aux)
  1160  		if v_0.Op != Op386LEAL {
  1161  			break
  1162  		}
  1163  		off2 := auxIntToInt32(v_0.AuxInt)
  1164  		sym2 := auxToSym(v_0.Aux)
  1165  		base := v_0.Args[0]
  1166  		mem := v_1
  1167  		if !(valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1168  			break
  1169  		}
  1170  		v.reset(Op386ADDLconstmodify)
  1171  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  1172  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1173  		v.AddArg2(base, mem)
  1174  		return true
  1175  	}
  1176  	return false
  1177  }
  1178  func rewriteValue386_Op386ADDLload(v *Value) bool {
  1179  	v_2 := v.Args[2]
  1180  	v_1 := v.Args[1]
  1181  	v_0 := v.Args[0]
  1182  	b := v.Block
  1183  	config := b.Func.Config
  1184  	// match: (ADDLload [off1] {sym} val (ADDLconst [off2] base) mem)
  1185  	// cond: is32Bit(int64(off1)+int64(off2))
  1186  	// result: (ADDLload [off1+off2] {sym} val base mem)
  1187  	for {
  1188  		off1 := auxIntToInt32(v.AuxInt)
  1189  		sym := auxToSym(v.Aux)
  1190  		val := v_0
  1191  		if v_1.Op != Op386ADDLconst {
  1192  			break
  1193  		}
  1194  		off2 := auxIntToInt32(v_1.AuxInt)
  1195  		base := v_1.Args[0]
  1196  		mem := v_2
  1197  		if !(is32Bit(int64(off1) + int64(off2))) {
  1198  			break
  1199  		}
  1200  		v.reset(Op386ADDLload)
  1201  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1202  		v.Aux = symToAux(sym)
  1203  		v.AddArg3(val, base, mem)
  1204  		return true
  1205  	}
  1206  	// match: (ADDLload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  1207  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1208  	// result: (ADDLload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  1209  	for {
  1210  		off1 := auxIntToInt32(v.AuxInt)
  1211  		sym1 := auxToSym(v.Aux)
  1212  		val := v_0
  1213  		if v_1.Op != Op386LEAL {
  1214  			break
  1215  		}
  1216  		off2 := auxIntToInt32(v_1.AuxInt)
  1217  		sym2 := auxToSym(v_1.Aux)
  1218  		base := v_1.Args[0]
  1219  		mem := v_2
  1220  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1221  			break
  1222  		}
  1223  		v.reset(Op386ADDLload)
  1224  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1225  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1226  		v.AddArg3(val, base, mem)
  1227  		return true
  1228  	}
  1229  	return false
  1230  }
  1231  func rewriteValue386_Op386ADDLmodify(v *Value) bool {
  1232  	v_2 := v.Args[2]
  1233  	v_1 := v.Args[1]
  1234  	v_0 := v.Args[0]
  1235  	b := v.Block
  1236  	config := b.Func.Config
  1237  	// match: (ADDLmodify [off1] {sym} (ADDLconst [off2] base) val mem)
  1238  	// cond: is32Bit(int64(off1)+int64(off2))
  1239  	// result: (ADDLmodify [off1+off2] {sym} base val mem)
  1240  	for {
  1241  		off1 := auxIntToInt32(v.AuxInt)
  1242  		sym := auxToSym(v.Aux)
  1243  		if v_0.Op != Op386ADDLconst {
  1244  			break
  1245  		}
  1246  		off2 := auxIntToInt32(v_0.AuxInt)
  1247  		base := v_0.Args[0]
  1248  		val := v_1
  1249  		mem := v_2
  1250  		if !(is32Bit(int64(off1) + int64(off2))) {
  1251  			break
  1252  		}
  1253  		v.reset(Op386ADDLmodify)
  1254  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1255  		v.Aux = symToAux(sym)
  1256  		v.AddArg3(base, val, mem)
  1257  		return true
  1258  	}
  1259  	// match: (ADDLmodify [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  1260  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1261  	// result: (ADDLmodify [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  1262  	for {
  1263  		off1 := auxIntToInt32(v.AuxInt)
  1264  		sym1 := auxToSym(v.Aux)
  1265  		if v_0.Op != Op386LEAL {
  1266  			break
  1267  		}
  1268  		off2 := auxIntToInt32(v_0.AuxInt)
  1269  		sym2 := auxToSym(v_0.Aux)
  1270  		base := v_0.Args[0]
  1271  		val := v_1
  1272  		mem := v_2
  1273  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1274  			break
  1275  		}
  1276  		v.reset(Op386ADDLmodify)
  1277  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1278  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1279  		v.AddArg3(base, val, mem)
  1280  		return true
  1281  	}
  1282  	return false
  1283  }
  1284  func rewriteValue386_Op386ADDSD(v *Value) bool {
  1285  	v_1 := v.Args[1]
  1286  	v_0 := v.Args[0]
  1287  	// match: (ADDSD x l:(MOVSDload [off] {sym} ptr mem))
  1288  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  1289  	// result: (ADDSDload x [off] {sym} ptr mem)
  1290  	for {
  1291  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1292  			x := v_0
  1293  			l := v_1
  1294  			if l.Op != Op386MOVSDload {
  1295  				continue
  1296  			}
  1297  			off := auxIntToInt32(l.AuxInt)
  1298  			sym := auxToSym(l.Aux)
  1299  			mem := l.Args[1]
  1300  			ptr := l.Args[0]
  1301  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  1302  				continue
  1303  			}
  1304  			v.reset(Op386ADDSDload)
  1305  			v.AuxInt = int32ToAuxInt(off)
  1306  			v.Aux = symToAux(sym)
  1307  			v.AddArg3(x, ptr, mem)
  1308  			return true
  1309  		}
  1310  		break
  1311  	}
  1312  	return false
  1313  }
  1314  func rewriteValue386_Op386ADDSDload(v *Value) bool {
  1315  	v_2 := v.Args[2]
  1316  	v_1 := v.Args[1]
  1317  	v_0 := v.Args[0]
  1318  	b := v.Block
  1319  	config := b.Func.Config
  1320  	// match: (ADDSDload [off1] {sym} val (ADDLconst [off2] base) mem)
  1321  	// cond: is32Bit(int64(off1)+int64(off2))
  1322  	// result: (ADDSDload [off1+off2] {sym} val base mem)
  1323  	for {
  1324  		off1 := auxIntToInt32(v.AuxInt)
  1325  		sym := auxToSym(v.Aux)
  1326  		val := v_0
  1327  		if v_1.Op != Op386ADDLconst {
  1328  			break
  1329  		}
  1330  		off2 := auxIntToInt32(v_1.AuxInt)
  1331  		base := v_1.Args[0]
  1332  		mem := v_2
  1333  		if !(is32Bit(int64(off1) + int64(off2))) {
  1334  			break
  1335  		}
  1336  		v.reset(Op386ADDSDload)
  1337  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1338  		v.Aux = symToAux(sym)
  1339  		v.AddArg3(val, base, mem)
  1340  		return true
  1341  	}
  1342  	// match: (ADDSDload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  1343  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1344  	// result: (ADDSDload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  1345  	for {
  1346  		off1 := auxIntToInt32(v.AuxInt)
  1347  		sym1 := auxToSym(v.Aux)
  1348  		val := v_0
  1349  		if v_1.Op != Op386LEAL {
  1350  			break
  1351  		}
  1352  		off2 := auxIntToInt32(v_1.AuxInt)
  1353  		sym2 := auxToSym(v_1.Aux)
  1354  		base := v_1.Args[0]
  1355  		mem := v_2
  1356  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1357  			break
  1358  		}
  1359  		v.reset(Op386ADDSDload)
  1360  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1361  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1362  		v.AddArg3(val, base, mem)
  1363  		return true
  1364  	}
  1365  	return false
  1366  }
  1367  func rewriteValue386_Op386ADDSS(v *Value) bool {
  1368  	v_1 := v.Args[1]
  1369  	v_0 := v.Args[0]
  1370  	// match: (ADDSS x l:(MOVSSload [off] {sym} ptr mem))
  1371  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  1372  	// result: (ADDSSload x [off] {sym} ptr mem)
  1373  	for {
  1374  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1375  			x := v_0
  1376  			l := v_1
  1377  			if l.Op != Op386MOVSSload {
  1378  				continue
  1379  			}
  1380  			off := auxIntToInt32(l.AuxInt)
  1381  			sym := auxToSym(l.Aux)
  1382  			mem := l.Args[1]
  1383  			ptr := l.Args[0]
  1384  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  1385  				continue
  1386  			}
  1387  			v.reset(Op386ADDSSload)
  1388  			v.AuxInt = int32ToAuxInt(off)
  1389  			v.Aux = symToAux(sym)
  1390  			v.AddArg3(x, ptr, mem)
  1391  			return true
  1392  		}
  1393  		break
  1394  	}
  1395  	return false
  1396  }
  1397  func rewriteValue386_Op386ADDSSload(v *Value) bool {
  1398  	v_2 := v.Args[2]
  1399  	v_1 := v.Args[1]
  1400  	v_0 := v.Args[0]
  1401  	b := v.Block
  1402  	config := b.Func.Config
  1403  	// match: (ADDSSload [off1] {sym} val (ADDLconst [off2] base) mem)
  1404  	// cond: is32Bit(int64(off1)+int64(off2))
  1405  	// result: (ADDSSload [off1+off2] {sym} val base mem)
  1406  	for {
  1407  		off1 := auxIntToInt32(v.AuxInt)
  1408  		sym := auxToSym(v.Aux)
  1409  		val := v_0
  1410  		if v_1.Op != Op386ADDLconst {
  1411  			break
  1412  		}
  1413  		off2 := auxIntToInt32(v_1.AuxInt)
  1414  		base := v_1.Args[0]
  1415  		mem := v_2
  1416  		if !(is32Bit(int64(off1) + int64(off2))) {
  1417  			break
  1418  		}
  1419  		v.reset(Op386ADDSSload)
  1420  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1421  		v.Aux = symToAux(sym)
  1422  		v.AddArg3(val, base, mem)
  1423  		return true
  1424  	}
  1425  	// match: (ADDSSload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  1426  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1427  	// result: (ADDSSload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  1428  	for {
  1429  		off1 := auxIntToInt32(v.AuxInt)
  1430  		sym1 := auxToSym(v.Aux)
  1431  		val := v_0
  1432  		if v_1.Op != Op386LEAL {
  1433  			break
  1434  		}
  1435  		off2 := auxIntToInt32(v_1.AuxInt)
  1436  		sym2 := auxToSym(v_1.Aux)
  1437  		base := v_1.Args[0]
  1438  		mem := v_2
  1439  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1440  			break
  1441  		}
  1442  		v.reset(Op386ADDSSload)
  1443  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1444  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1445  		v.AddArg3(val, base, mem)
  1446  		return true
  1447  	}
  1448  	return false
  1449  }
  1450  func rewriteValue386_Op386ANDL(v *Value) bool {
  1451  	v_1 := v.Args[1]
  1452  	v_0 := v.Args[0]
  1453  	// match: (ANDL x (MOVLconst [c]))
  1454  	// result: (ANDLconst [c] x)
  1455  	for {
  1456  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1457  			x := v_0
  1458  			if v_1.Op != Op386MOVLconst {
  1459  				continue
  1460  			}
  1461  			c := auxIntToInt32(v_1.AuxInt)
  1462  			v.reset(Op386ANDLconst)
  1463  			v.AuxInt = int32ToAuxInt(c)
  1464  			v.AddArg(x)
  1465  			return true
  1466  		}
  1467  		break
  1468  	}
  1469  	// match: (ANDL x l:(MOVLload [off] {sym} ptr mem))
  1470  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  1471  	// result: (ANDLload x [off] {sym} ptr mem)
  1472  	for {
  1473  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  1474  			x := v_0
  1475  			l := v_1
  1476  			if l.Op != Op386MOVLload {
  1477  				continue
  1478  			}
  1479  			off := auxIntToInt32(l.AuxInt)
  1480  			sym := auxToSym(l.Aux)
  1481  			mem := l.Args[1]
  1482  			ptr := l.Args[0]
  1483  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  1484  				continue
  1485  			}
  1486  			v.reset(Op386ANDLload)
  1487  			v.AuxInt = int32ToAuxInt(off)
  1488  			v.Aux = symToAux(sym)
  1489  			v.AddArg3(x, ptr, mem)
  1490  			return true
  1491  		}
  1492  		break
  1493  	}
  1494  	// match: (ANDL x x)
  1495  	// result: x
  1496  	for {
  1497  		x := v_0
  1498  		if x != v_1 {
  1499  			break
  1500  		}
  1501  		v.copyOf(x)
  1502  		return true
  1503  	}
  1504  	return false
  1505  }
  1506  func rewriteValue386_Op386ANDLconst(v *Value) bool {
  1507  	v_0 := v.Args[0]
  1508  	// match: (ANDLconst [c] (ANDLconst [d] x))
  1509  	// result: (ANDLconst [c & d] x)
  1510  	for {
  1511  		c := auxIntToInt32(v.AuxInt)
  1512  		if v_0.Op != Op386ANDLconst {
  1513  			break
  1514  		}
  1515  		d := auxIntToInt32(v_0.AuxInt)
  1516  		x := v_0.Args[0]
  1517  		v.reset(Op386ANDLconst)
  1518  		v.AuxInt = int32ToAuxInt(c & d)
  1519  		v.AddArg(x)
  1520  		return true
  1521  	}
  1522  	// match: (ANDLconst [c] _)
  1523  	// cond: c==0
  1524  	// result: (MOVLconst [0])
  1525  	for {
  1526  		c := auxIntToInt32(v.AuxInt)
  1527  		if !(c == 0) {
  1528  			break
  1529  		}
  1530  		v.reset(Op386MOVLconst)
  1531  		v.AuxInt = int32ToAuxInt(0)
  1532  		return true
  1533  	}
  1534  	// match: (ANDLconst [c] x)
  1535  	// cond: c==-1
  1536  	// result: x
  1537  	for {
  1538  		c := auxIntToInt32(v.AuxInt)
  1539  		x := v_0
  1540  		if !(c == -1) {
  1541  			break
  1542  		}
  1543  		v.copyOf(x)
  1544  		return true
  1545  	}
  1546  	// match: (ANDLconst [c] (MOVLconst [d]))
  1547  	// result: (MOVLconst [c&d])
  1548  	for {
  1549  		c := auxIntToInt32(v.AuxInt)
  1550  		if v_0.Op != Op386MOVLconst {
  1551  			break
  1552  		}
  1553  		d := auxIntToInt32(v_0.AuxInt)
  1554  		v.reset(Op386MOVLconst)
  1555  		v.AuxInt = int32ToAuxInt(c & d)
  1556  		return true
  1557  	}
  1558  	return false
  1559  }
  1560  func rewriteValue386_Op386ANDLconstmodify(v *Value) bool {
  1561  	v_1 := v.Args[1]
  1562  	v_0 := v.Args[0]
  1563  	b := v.Block
  1564  	config := b.Func.Config
  1565  	// match: (ANDLconstmodify [valoff1] {sym} (ADDLconst [off2] base) mem)
  1566  	// cond: valoff1.canAdd32(off2)
  1567  	// result: (ANDLconstmodify [valoff1.addOffset32(off2)] {sym} base mem)
  1568  	for {
  1569  		valoff1 := auxIntToValAndOff(v.AuxInt)
  1570  		sym := auxToSym(v.Aux)
  1571  		if v_0.Op != Op386ADDLconst {
  1572  			break
  1573  		}
  1574  		off2 := auxIntToInt32(v_0.AuxInt)
  1575  		base := v_0.Args[0]
  1576  		mem := v_1
  1577  		if !(valoff1.canAdd32(off2)) {
  1578  			break
  1579  		}
  1580  		v.reset(Op386ANDLconstmodify)
  1581  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  1582  		v.Aux = symToAux(sym)
  1583  		v.AddArg2(base, mem)
  1584  		return true
  1585  	}
  1586  	// match: (ANDLconstmodify [valoff1] {sym1} (LEAL [off2] {sym2} base) mem)
  1587  	// cond: valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1588  	// result: (ANDLconstmodify [valoff1.addOffset32(off2)] {mergeSym(sym1,sym2)} base mem)
  1589  	for {
  1590  		valoff1 := auxIntToValAndOff(v.AuxInt)
  1591  		sym1 := auxToSym(v.Aux)
  1592  		if v_0.Op != Op386LEAL {
  1593  			break
  1594  		}
  1595  		off2 := auxIntToInt32(v_0.AuxInt)
  1596  		sym2 := auxToSym(v_0.Aux)
  1597  		base := v_0.Args[0]
  1598  		mem := v_1
  1599  		if !(valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1600  			break
  1601  		}
  1602  		v.reset(Op386ANDLconstmodify)
  1603  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  1604  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1605  		v.AddArg2(base, mem)
  1606  		return true
  1607  	}
  1608  	return false
  1609  }
  1610  func rewriteValue386_Op386ANDLload(v *Value) bool {
  1611  	v_2 := v.Args[2]
  1612  	v_1 := v.Args[1]
  1613  	v_0 := v.Args[0]
  1614  	b := v.Block
  1615  	config := b.Func.Config
  1616  	// match: (ANDLload [off1] {sym} val (ADDLconst [off2] base) mem)
  1617  	// cond: is32Bit(int64(off1)+int64(off2))
  1618  	// result: (ANDLload [off1+off2] {sym} val base mem)
  1619  	for {
  1620  		off1 := auxIntToInt32(v.AuxInt)
  1621  		sym := auxToSym(v.Aux)
  1622  		val := v_0
  1623  		if v_1.Op != Op386ADDLconst {
  1624  			break
  1625  		}
  1626  		off2 := auxIntToInt32(v_1.AuxInt)
  1627  		base := v_1.Args[0]
  1628  		mem := v_2
  1629  		if !(is32Bit(int64(off1) + int64(off2))) {
  1630  			break
  1631  		}
  1632  		v.reset(Op386ANDLload)
  1633  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1634  		v.Aux = symToAux(sym)
  1635  		v.AddArg3(val, base, mem)
  1636  		return true
  1637  	}
  1638  	// match: (ANDLload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  1639  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1640  	// result: (ANDLload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  1641  	for {
  1642  		off1 := auxIntToInt32(v.AuxInt)
  1643  		sym1 := auxToSym(v.Aux)
  1644  		val := v_0
  1645  		if v_1.Op != Op386LEAL {
  1646  			break
  1647  		}
  1648  		off2 := auxIntToInt32(v_1.AuxInt)
  1649  		sym2 := auxToSym(v_1.Aux)
  1650  		base := v_1.Args[0]
  1651  		mem := v_2
  1652  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1653  			break
  1654  		}
  1655  		v.reset(Op386ANDLload)
  1656  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1657  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1658  		v.AddArg3(val, base, mem)
  1659  		return true
  1660  	}
  1661  	return false
  1662  }
  1663  func rewriteValue386_Op386ANDLmodify(v *Value) bool {
  1664  	v_2 := v.Args[2]
  1665  	v_1 := v.Args[1]
  1666  	v_0 := v.Args[0]
  1667  	b := v.Block
  1668  	config := b.Func.Config
  1669  	// match: (ANDLmodify [off1] {sym} (ADDLconst [off2] base) val mem)
  1670  	// cond: is32Bit(int64(off1)+int64(off2))
  1671  	// result: (ANDLmodify [off1+off2] {sym} base val mem)
  1672  	for {
  1673  		off1 := auxIntToInt32(v.AuxInt)
  1674  		sym := auxToSym(v.Aux)
  1675  		if v_0.Op != Op386ADDLconst {
  1676  			break
  1677  		}
  1678  		off2 := auxIntToInt32(v_0.AuxInt)
  1679  		base := v_0.Args[0]
  1680  		val := v_1
  1681  		mem := v_2
  1682  		if !(is32Bit(int64(off1) + int64(off2))) {
  1683  			break
  1684  		}
  1685  		v.reset(Op386ANDLmodify)
  1686  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1687  		v.Aux = symToAux(sym)
  1688  		v.AddArg3(base, val, mem)
  1689  		return true
  1690  	}
  1691  	// match: (ANDLmodify [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  1692  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  1693  	// result: (ANDLmodify [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  1694  	for {
  1695  		off1 := auxIntToInt32(v.AuxInt)
  1696  		sym1 := auxToSym(v.Aux)
  1697  		if v_0.Op != Op386LEAL {
  1698  			break
  1699  		}
  1700  		off2 := auxIntToInt32(v_0.AuxInt)
  1701  		sym2 := auxToSym(v_0.Aux)
  1702  		base := v_0.Args[0]
  1703  		val := v_1
  1704  		mem := v_2
  1705  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  1706  			break
  1707  		}
  1708  		v.reset(Op386ANDLmodify)
  1709  		v.AuxInt = int32ToAuxInt(off1 + off2)
  1710  		v.Aux = symToAux(mergeSym(sym1, sym2))
  1711  		v.AddArg3(base, val, mem)
  1712  		return true
  1713  	}
  1714  	return false
  1715  }
  1716  func rewriteValue386_Op386CMPB(v *Value) bool {
  1717  	v_1 := v.Args[1]
  1718  	v_0 := v.Args[0]
  1719  	b := v.Block
  1720  	// match: (CMPB x (MOVLconst [c]))
  1721  	// result: (CMPBconst x [int8(c)])
  1722  	for {
  1723  		x := v_0
  1724  		if v_1.Op != Op386MOVLconst {
  1725  			break
  1726  		}
  1727  		c := auxIntToInt32(v_1.AuxInt)
  1728  		v.reset(Op386CMPBconst)
  1729  		v.AuxInt = int8ToAuxInt(int8(c))
  1730  		v.AddArg(x)
  1731  		return true
  1732  	}
  1733  	// match: (CMPB (MOVLconst [c]) x)
  1734  	// result: (InvertFlags (CMPBconst x [int8(c)]))
  1735  	for {
  1736  		if v_0.Op != Op386MOVLconst {
  1737  			break
  1738  		}
  1739  		c := auxIntToInt32(v_0.AuxInt)
  1740  		x := v_1
  1741  		v.reset(Op386InvertFlags)
  1742  		v0 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
  1743  		v0.AuxInt = int8ToAuxInt(int8(c))
  1744  		v0.AddArg(x)
  1745  		v.AddArg(v0)
  1746  		return true
  1747  	}
  1748  	// match: (CMPB x y)
  1749  	// cond: canonLessThan(x,y)
  1750  	// result: (InvertFlags (CMPB y x))
  1751  	for {
  1752  		x := v_0
  1753  		y := v_1
  1754  		if !(canonLessThan(x, y)) {
  1755  			break
  1756  		}
  1757  		v.reset(Op386InvertFlags)
  1758  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  1759  		v0.AddArg2(y, x)
  1760  		v.AddArg(v0)
  1761  		return true
  1762  	}
  1763  	// match: (CMPB l:(MOVBload {sym} [off] ptr mem) x)
  1764  	// cond: canMergeLoad(v, l) && clobber(l)
  1765  	// result: (CMPBload {sym} [off] ptr x mem)
  1766  	for {
  1767  		l := v_0
  1768  		if l.Op != Op386MOVBload {
  1769  			break
  1770  		}
  1771  		off := auxIntToInt32(l.AuxInt)
  1772  		sym := auxToSym(l.Aux)
  1773  		mem := l.Args[1]
  1774  		ptr := l.Args[0]
  1775  		x := v_1
  1776  		if !(canMergeLoad(v, l) && clobber(l)) {
  1777  			break
  1778  		}
  1779  		v.reset(Op386CMPBload)
  1780  		v.AuxInt = int32ToAuxInt(off)
  1781  		v.Aux = symToAux(sym)
  1782  		v.AddArg3(ptr, x, mem)
  1783  		return true
  1784  	}
  1785  	// match: (CMPB x l:(MOVBload {sym} [off] ptr mem))
  1786  	// cond: canMergeLoad(v, l) && clobber(l)
  1787  	// result: (InvertFlags (CMPBload {sym} [off] ptr x mem))
  1788  	for {
  1789  		x := v_0
  1790  		l := v_1
  1791  		if l.Op != Op386MOVBload {
  1792  			break
  1793  		}
  1794  		off := auxIntToInt32(l.AuxInt)
  1795  		sym := auxToSym(l.Aux)
  1796  		mem := l.Args[1]
  1797  		ptr := l.Args[0]
  1798  		if !(canMergeLoad(v, l) && clobber(l)) {
  1799  			break
  1800  		}
  1801  		v.reset(Op386InvertFlags)
  1802  		v0 := b.NewValue0(l.Pos, Op386CMPBload, types.TypeFlags)
  1803  		v0.AuxInt = int32ToAuxInt(off)
  1804  		v0.Aux = symToAux(sym)
  1805  		v0.AddArg3(ptr, x, mem)
  1806  		v.AddArg(v0)
  1807  		return true
  1808  	}
  1809  	return false
  1810  }
  1811  func rewriteValue386_Op386CMPBconst(v *Value) bool {
  1812  	v_0 := v.Args[0]
  1813  	b := v.Block
  1814  	// match: (CMPBconst (MOVLconst [x]) [y])
  1815  	// cond: int8(x)==y
  1816  	// result: (FlagEQ)
  1817  	for {
  1818  		y := auxIntToInt8(v.AuxInt)
  1819  		if v_0.Op != Op386MOVLconst {
  1820  			break
  1821  		}
  1822  		x := auxIntToInt32(v_0.AuxInt)
  1823  		if !(int8(x) == y) {
  1824  			break
  1825  		}
  1826  		v.reset(Op386FlagEQ)
  1827  		return true
  1828  	}
  1829  	// match: (CMPBconst (MOVLconst [x]) [y])
  1830  	// cond: int8(x)<y && uint8(x)<uint8(y)
  1831  	// result: (FlagLT_ULT)
  1832  	for {
  1833  		y := auxIntToInt8(v.AuxInt)
  1834  		if v_0.Op != Op386MOVLconst {
  1835  			break
  1836  		}
  1837  		x := auxIntToInt32(v_0.AuxInt)
  1838  		if !(int8(x) < y && uint8(x) < uint8(y)) {
  1839  			break
  1840  		}
  1841  		v.reset(Op386FlagLT_ULT)
  1842  		return true
  1843  	}
  1844  	// match: (CMPBconst (MOVLconst [x]) [y])
  1845  	// cond: int8(x)<y && uint8(x)>uint8(y)
  1846  	// result: (FlagLT_UGT)
  1847  	for {
  1848  		y := auxIntToInt8(v.AuxInt)
  1849  		if v_0.Op != Op386MOVLconst {
  1850  			break
  1851  		}
  1852  		x := auxIntToInt32(v_0.AuxInt)
  1853  		if !(int8(x) < y && uint8(x) > uint8(y)) {
  1854  			break
  1855  		}
  1856  		v.reset(Op386FlagLT_UGT)
  1857  		return true
  1858  	}
  1859  	// match: (CMPBconst (MOVLconst [x]) [y])
  1860  	// cond: int8(x)>y && uint8(x)<uint8(y)
  1861  	// result: (FlagGT_ULT)
  1862  	for {
  1863  		y := auxIntToInt8(v.AuxInt)
  1864  		if v_0.Op != Op386MOVLconst {
  1865  			break
  1866  		}
  1867  		x := auxIntToInt32(v_0.AuxInt)
  1868  		if !(int8(x) > y && uint8(x) < uint8(y)) {
  1869  			break
  1870  		}
  1871  		v.reset(Op386FlagGT_ULT)
  1872  		return true
  1873  	}
  1874  	// match: (CMPBconst (MOVLconst [x]) [y])
  1875  	// cond: int8(x)>y && uint8(x)>uint8(y)
  1876  	// result: (FlagGT_UGT)
  1877  	for {
  1878  		y := auxIntToInt8(v.AuxInt)
  1879  		if v_0.Op != Op386MOVLconst {
  1880  			break
  1881  		}
  1882  		x := auxIntToInt32(v_0.AuxInt)
  1883  		if !(int8(x) > y && uint8(x) > uint8(y)) {
  1884  			break
  1885  		}
  1886  		v.reset(Op386FlagGT_UGT)
  1887  		return true
  1888  	}
  1889  	// match: (CMPBconst (ANDLconst _ [m]) [n])
  1890  	// cond: 0 <= int8(m) && int8(m) < n
  1891  	// result: (FlagLT_ULT)
  1892  	for {
  1893  		n := auxIntToInt8(v.AuxInt)
  1894  		if v_0.Op != Op386ANDLconst {
  1895  			break
  1896  		}
  1897  		m := auxIntToInt32(v_0.AuxInt)
  1898  		if !(0 <= int8(m) && int8(m) < n) {
  1899  			break
  1900  		}
  1901  		v.reset(Op386FlagLT_ULT)
  1902  		return true
  1903  	}
  1904  	// match: (CMPBconst l:(ANDL x y) [0])
  1905  	// cond: l.Uses==1
  1906  	// result: (TESTB x y)
  1907  	for {
  1908  		if auxIntToInt8(v.AuxInt) != 0 {
  1909  			break
  1910  		}
  1911  		l := v_0
  1912  		if l.Op != Op386ANDL {
  1913  			break
  1914  		}
  1915  		y := l.Args[1]
  1916  		x := l.Args[0]
  1917  		if !(l.Uses == 1) {
  1918  			break
  1919  		}
  1920  		v.reset(Op386TESTB)
  1921  		v.AddArg2(x, y)
  1922  		return true
  1923  	}
  1924  	// match: (CMPBconst l:(ANDLconst [c] x) [0])
  1925  	// cond: l.Uses==1
  1926  	// result: (TESTBconst [int8(c)] x)
  1927  	for {
  1928  		if auxIntToInt8(v.AuxInt) != 0 {
  1929  			break
  1930  		}
  1931  		l := v_0
  1932  		if l.Op != Op386ANDLconst {
  1933  			break
  1934  		}
  1935  		c := auxIntToInt32(l.AuxInt)
  1936  		x := l.Args[0]
  1937  		if !(l.Uses == 1) {
  1938  			break
  1939  		}
  1940  		v.reset(Op386TESTBconst)
  1941  		v.AuxInt = int8ToAuxInt(int8(c))
  1942  		v.AddArg(x)
  1943  		return true
  1944  	}
  1945  	// match: (CMPBconst x [0])
  1946  	// result: (TESTB x x)
  1947  	for {
  1948  		if auxIntToInt8(v.AuxInt) != 0 {
  1949  			break
  1950  		}
  1951  		x := v_0
  1952  		v.reset(Op386TESTB)
  1953  		v.AddArg2(x, x)
  1954  		return true
  1955  	}
  1956  	// match: (CMPBconst l:(MOVBload {sym} [off] ptr mem) [c])
  1957  	// cond: l.Uses == 1 && clobber(l)
  1958  	// result: @l.Block (CMPBconstload {sym} [makeValAndOff(int32(c),off)] ptr mem)
  1959  	for {
  1960  		c := auxIntToInt8(v.AuxInt)
  1961  		l := v_0
  1962  		if l.Op != Op386MOVBload {
  1963  			break
  1964  		}
  1965  		off := auxIntToInt32(l.AuxInt)
  1966  		sym := auxToSym(l.Aux)
  1967  		mem := l.Args[1]
  1968  		ptr := l.Args[0]
  1969  		if !(l.Uses == 1 && clobber(l)) {
  1970  			break
  1971  		}
  1972  		b = l.Block
  1973  		v0 := b.NewValue0(l.Pos, Op386CMPBconstload, types.TypeFlags)
  1974  		v.copyOf(v0)
  1975  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(int32(c), off))
  1976  		v0.Aux = symToAux(sym)
  1977  		v0.AddArg2(ptr, mem)
  1978  		return true
  1979  	}
  1980  	return false
  1981  }
  1982  func rewriteValue386_Op386CMPBload(v *Value) bool {
  1983  	v_2 := v.Args[2]
  1984  	v_1 := v.Args[1]
  1985  	v_0 := v.Args[0]
  1986  	// match: (CMPBload {sym} [off] ptr (MOVLconst [c]) mem)
  1987  	// result: (CMPBconstload {sym} [makeValAndOff(int32(int8(c)),off)] ptr mem)
  1988  	for {
  1989  		off := auxIntToInt32(v.AuxInt)
  1990  		sym := auxToSym(v.Aux)
  1991  		ptr := v_0
  1992  		if v_1.Op != Op386MOVLconst {
  1993  			break
  1994  		}
  1995  		c := auxIntToInt32(v_1.AuxInt)
  1996  		mem := v_2
  1997  		v.reset(Op386CMPBconstload)
  1998  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(int32(int8(c)), off))
  1999  		v.Aux = symToAux(sym)
  2000  		v.AddArg2(ptr, mem)
  2001  		return true
  2002  	}
  2003  	return false
  2004  }
  2005  func rewriteValue386_Op386CMPL(v *Value) bool {
  2006  	v_1 := v.Args[1]
  2007  	v_0 := v.Args[0]
  2008  	b := v.Block
  2009  	// match: (CMPL x (MOVLconst [c]))
  2010  	// result: (CMPLconst x [c])
  2011  	for {
  2012  		x := v_0
  2013  		if v_1.Op != Op386MOVLconst {
  2014  			break
  2015  		}
  2016  		c := auxIntToInt32(v_1.AuxInt)
  2017  		v.reset(Op386CMPLconst)
  2018  		v.AuxInt = int32ToAuxInt(c)
  2019  		v.AddArg(x)
  2020  		return true
  2021  	}
  2022  	// match: (CMPL (MOVLconst [c]) x)
  2023  	// result: (InvertFlags (CMPLconst x [c]))
  2024  	for {
  2025  		if v_0.Op != Op386MOVLconst {
  2026  			break
  2027  		}
  2028  		c := auxIntToInt32(v_0.AuxInt)
  2029  		x := v_1
  2030  		v.reset(Op386InvertFlags)
  2031  		v0 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  2032  		v0.AuxInt = int32ToAuxInt(c)
  2033  		v0.AddArg(x)
  2034  		v.AddArg(v0)
  2035  		return true
  2036  	}
  2037  	// match: (CMPL x y)
  2038  	// cond: canonLessThan(x,y)
  2039  	// result: (InvertFlags (CMPL y x))
  2040  	for {
  2041  		x := v_0
  2042  		y := v_1
  2043  		if !(canonLessThan(x, y)) {
  2044  			break
  2045  		}
  2046  		v.reset(Op386InvertFlags)
  2047  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  2048  		v0.AddArg2(y, x)
  2049  		v.AddArg(v0)
  2050  		return true
  2051  	}
  2052  	// match: (CMPL l:(MOVLload {sym} [off] ptr mem) x)
  2053  	// cond: canMergeLoad(v, l) && clobber(l)
  2054  	// result: (CMPLload {sym} [off] ptr x mem)
  2055  	for {
  2056  		l := v_0
  2057  		if l.Op != Op386MOVLload {
  2058  			break
  2059  		}
  2060  		off := auxIntToInt32(l.AuxInt)
  2061  		sym := auxToSym(l.Aux)
  2062  		mem := l.Args[1]
  2063  		ptr := l.Args[0]
  2064  		x := v_1
  2065  		if !(canMergeLoad(v, l) && clobber(l)) {
  2066  			break
  2067  		}
  2068  		v.reset(Op386CMPLload)
  2069  		v.AuxInt = int32ToAuxInt(off)
  2070  		v.Aux = symToAux(sym)
  2071  		v.AddArg3(ptr, x, mem)
  2072  		return true
  2073  	}
  2074  	// match: (CMPL x l:(MOVLload {sym} [off] ptr mem))
  2075  	// cond: canMergeLoad(v, l) && clobber(l)
  2076  	// result: (InvertFlags (CMPLload {sym} [off] ptr x mem))
  2077  	for {
  2078  		x := v_0
  2079  		l := v_1
  2080  		if l.Op != Op386MOVLload {
  2081  			break
  2082  		}
  2083  		off := auxIntToInt32(l.AuxInt)
  2084  		sym := auxToSym(l.Aux)
  2085  		mem := l.Args[1]
  2086  		ptr := l.Args[0]
  2087  		if !(canMergeLoad(v, l) && clobber(l)) {
  2088  			break
  2089  		}
  2090  		v.reset(Op386InvertFlags)
  2091  		v0 := b.NewValue0(l.Pos, Op386CMPLload, types.TypeFlags)
  2092  		v0.AuxInt = int32ToAuxInt(off)
  2093  		v0.Aux = symToAux(sym)
  2094  		v0.AddArg3(ptr, x, mem)
  2095  		v.AddArg(v0)
  2096  		return true
  2097  	}
  2098  	return false
  2099  }
  2100  func rewriteValue386_Op386CMPLconst(v *Value) bool {
  2101  	v_0 := v.Args[0]
  2102  	b := v.Block
  2103  	// match: (CMPLconst (MOVLconst [x]) [y])
  2104  	// cond: x==y
  2105  	// result: (FlagEQ)
  2106  	for {
  2107  		y := auxIntToInt32(v.AuxInt)
  2108  		if v_0.Op != Op386MOVLconst {
  2109  			break
  2110  		}
  2111  		x := auxIntToInt32(v_0.AuxInt)
  2112  		if !(x == y) {
  2113  			break
  2114  		}
  2115  		v.reset(Op386FlagEQ)
  2116  		return true
  2117  	}
  2118  	// match: (CMPLconst (MOVLconst [x]) [y])
  2119  	// cond: x<y && uint32(x)<uint32(y)
  2120  	// result: (FlagLT_ULT)
  2121  	for {
  2122  		y := auxIntToInt32(v.AuxInt)
  2123  		if v_0.Op != Op386MOVLconst {
  2124  			break
  2125  		}
  2126  		x := auxIntToInt32(v_0.AuxInt)
  2127  		if !(x < y && uint32(x) < uint32(y)) {
  2128  			break
  2129  		}
  2130  		v.reset(Op386FlagLT_ULT)
  2131  		return true
  2132  	}
  2133  	// match: (CMPLconst (MOVLconst [x]) [y])
  2134  	// cond: x<y && uint32(x)>uint32(y)
  2135  	// result: (FlagLT_UGT)
  2136  	for {
  2137  		y := auxIntToInt32(v.AuxInt)
  2138  		if v_0.Op != Op386MOVLconst {
  2139  			break
  2140  		}
  2141  		x := auxIntToInt32(v_0.AuxInt)
  2142  		if !(x < y && uint32(x) > uint32(y)) {
  2143  			break
  2144  		}
  2145  		v.reset(Op386FlagLT_UGT)
  2146  		return true
  2147  	}
  2148  	// match: (CMPLconst (MOVLconst [x]) [y])
  2149  	// cond: x>y && uint32(x)<uint32(y)
  2150  	// result: (FlagGT_ULT)
  2151  	for {
  2152  		y := auxIntToInt32(v.AuxInt)
  2153  		if v_0.Op != Op386MOVLconst {
  2154  			break
  2155  		}
  2156  		x := auxIntToInt32(v_0.AuxInt)
  2157  		if !(x > y && uint32(x) < uint32(y)) {
  2158  			break
  2159  		}
  2160  		v.reset(Op386FlagGT_ULT)
  2161  		return true
  2162  	}
  2163  	// match: (CMPLconst (MOVLconst [x]) [y])
  2164  	// cond: x>y && uint32(x)>uint32(y)
  2165  	// result: (FlagGT_UGT)
  2166  	for {
  2167  		y := auxIntToInt32(v.AuxInt)
  2168  		if v_0.Op != Op386MOVLconst {
  2169  			break
  2170  		}
  2171  		x := auxIntToInt32(v_0.AuxInt)
  2172  		if !(x > y && uint32(x) > uint32(y)) {
  2173  			break
  2174  		}
  2175  		v.reset(Op386FlagGT_UGT)
  2176  		return true
  2177  	}
  2178  	// match: (CMPLconst (SHRLconst _ [c]) [n])
  2179  	// cond: 0 <= n && 0 < c && c <= 32 && (1<<uint64(32-c)) <= uint64(n)
  2180  	// result: (FlagLT_ULT)
  2181  	for {
  2182  		n := auxIntToInt32(v.AuxInt)
  2183  		if v_0.Op != Op386SHRLconst {
  2184  			break
  2185  		}
  2186  		c := auxIntToInt32(v_0.AuxInt)
  2187  		if !(0 <= n && 0 < c && c <= 32 && (1<<uint64(32-c)) <= uint64(n)) {
  2188  			break
  2189  		}
  2190  		v.reset(Op386FlagLT_ULT)
  2191  		return true
  2192  	}
  2193  	// match: (CMPLconst (ANDLconst _ [m]) [n])
  2194  	// cond: 0 <= m && m < n
  2195  	// result: (FlagLT_ULT)
  2196  	for {
  2197  		n := auxIntToInt32(v.AuxInt)
  2198  		if v_0.Op != Op386ANDLconst {
  2199  			break
  2200  		}
  2201  		m := auxIntToInt32(v_0.AuxInt)
  2202  		if !(0 <= m && m < n) {
  2203  			break
  2204  		}
  2205  		v.reset(Op386FlagLT_ULT)
  2206  		return true
  2207  	}
  2208  	// match: (CMPLconst l:(ANDL x y) [0])
  2209  	// cond: l.Uses==1
  2210  	// result: (TESTL x y)
  2211  	for {
  2212  		if auxIntToInt32(v.AuxInt) != 0 {
  2213  			break
  2214  		}
  2215  		l := v_0
  2216  		if l.Op != Op386ANDL {
  2217  			break
  2218  		}
  2219  		y := l.Args[1]
  2220  		x := l.Args[0]
  2221  		if !(l.Uses == 1) {
  2222  			break
  2223  		}
  2224  		v.reset(Op386TESTL)
  2225  		v.AddArg2(x, y)
  2226  		return true
  2227  	}
  2228  	// match: (CMPLconst l:(ANDLconst [c] x) [0])
  2229  	// cond: l.Uses==1
  2230  	// result: (TESTLconst [c] x)
  2231  	for {
  2232  		if auxIntToInt32(v.AuxInt) != 0 {
  2233  			break
  2234  		}
  2235  		l := v_0
  2236  		if l.Op != Op386ANDLconst {
  2237  			break
  2238  		}
  2239  		c := auxIntToInt32(l.AuxInt)
  2240  		x := l.Args[0]
  2241  		if !(l.Uses == 1) {
  2242  			break
  2243  		}
  2244  		v.reset(Op386TESTLconst)
  2245  		v.AuxInt = int32ToAuxInt(c)
  2246  		v.AddArg(x)
  2247  		return true
  2248  	}
  2249  	// match: (CMPLconst x [0])
  2250  	// result: (TESTL x x)
  2251  	for {
  2252  		if auxIntToInt32(v.AuxInt) != 0 {
  2253  			break
  2254  		}
  2255  		x := v_0
  2256  		v.reset(Op386TESTL)
  2257  		v.AddArg2(x, x)
  2258  		return true
  2259  	}
  2260  	// match: (CMPLconst l:(MOVLload {sym} [off] ptr mem) [c])
  2261  	// cond: l.Uses == 1 && clobber(l)
  2262  	// result: @l.Block (CMPLconstload {sym} [makeValAndOff(int32(c),off)] ptr mem)
  2263  	for {
  2264  		c := auxIntToInt32(v.AuxInt)
  2265  		l := v_0
  2266  		if l.Op != Op386MOVLload {
  2267  			break
  2268  		}
  2269  		off := auxIntToInt32(l.AuxInt)
  2270  		sym := auxToSym(l.Aux)
  2271  		mem := l.Args[1]
  2272  		ptr := l.Args[0]
  2273  		if !(l.Uses == 1 && clobber(l)) {
  2274  			break
  2275  		}
  2276  		b = l.Block
  2277  		v0 := b.NewValue0(l.Pos, Op386CMPLconstload, types.TypeFlags)
  2278  		v.copyOf(v0)
  2279  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(int32(c), off))
  2280  		v0.Aux = symToAux(sym)
  2281  		v0.AddArg2(ptr, mem)
  2282  		return true
  2283  	}
  2284  	return false
  2285  }
  2286  func rewriteValue386_Op386CMPLload(v *Value) bool {
  2287  	v_2 := v.Args[2]
  2288  	v_1 := v.Args[1]
  2289  	v_0 := v.Args[0]
  2290  	// match: (CMPLload {sym} [off] ptr (MOVLconst [c]) mem)
  2291  	// result: (CMPLconstload {sym} [makeValAndOff(c,off)] ptr mem)
  2292  	for {
  2293  		off := auxIntToInt32(v.AuxInt)
  2294  		sym := auxToSym(v.Aux)
  2295  		ptr := v_0
  2296  		if v_1.Op != Op386MOVLconst {
  2297  			break
  2298  		}
  2299  		c := auxIntToInt32(v_1.AuxInt)
  2300  		mem := v_2
  2301  		v.reset(Op386CMPLconstload)
  2302  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  2303  		v.Aux = symToAux(sym)
  2304  		v.AddArg2(ptr, mem)
  2305  		return true
  2306  	}
  2307  	return false
  2308  }
  2309  func rewriteValue386_Op386CMPW(v *Value) bool {
  2310  	v_1 := v.Args[1]
  2311  	v_0 := v.Args[0]
  2312  	b := v.Block
  2313  	// match: (CMPW x (MOVLconst [c]))
  2314  	// result: (CMPWconst x [int16(c)])
  2315  	for {
  2316  		x := v_0
  2317  		if v_1.Op != Op386MOVLconst {
  2318  			break
  2319  		}
  2320  		c := auxIntToInt32(v_1.AuxInt)
  2321  		v.reset(Op386CMPWconst)
  2322  		v.AuxInt = int16ToAuxInt(int16(c))
  2323  		v.AddArg(x)
  2324  		return true
  2325  	}
  2326  	// match: (CMPW (MOVLconst [c]) x)
  2327  	// result: (InvertFlags (CMPWconst x [int16(c)]))
  2328  	for {
  2329  		if v_0.Op != Op386MOVLconst {
  2330  			break
  2331  		}
  2332  		c := auxIntToInt32(v_0.AuxInt)
  2333  		x := v_1
  2334  		v.reset(Op386InvertFlags)
  2335  		v0 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  2336  		v0.AuxInt = int16ToAuxInt(int16(c))
  2337  		v0.AddArg(x)
  2338  		v.AddArg(v0)
  2339  		return true
  2340  	}
  2341  	// match: (CMPW x y)
  2342  	// cond: canonLessThan(x,y)
  2343  	// result: (InvertFlags (CMPW y x))
  2344  	for {
  2345  		x := v_0
  2346  		y := v_1
  2347  		if !(canonLessThan(x, y)) {
  2348  			break
  2349  		}
  2350  		v.reset(Op386InvertFlags)
  2351  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  2352  		v0.AddArg2(y, x)
  2353  		v.AddArg(v0)
  2354  		return true
  2355  	}
  2356  	// match: (CMPW l:(MOVWload {sym} [off] ptr mem) x)
  2357  	// cond: canMergeLoad(v, l) && clobber(l)
  2358  	// result: (CMPWload {sym} [off] ptr x mem)
  2359  	for {
  2360  		l := v_0
  2361  		if l.Op != Op386MOVWload {
  2362  			break
  2363  		}
  2364  		off := auxIntToInt32(l.AuxInt)
  2365  		sym := auxToSym(l.Aux)
  2366  		mem := l.Args[1]
  2367  		ptr := l.Args[0]
  2368  		x := v_1
  2369  		if !(canMergeLoad(v, l) && clobber(l)) {
  2370  			break
  2371  		}
  2372  		v.reset(Op386CMPWload)
  2373  		v.AuxInt = int32ToAuxInt(off)
  2374  		v.Aux = symToAux(sym)
  2375  		v.AddArg3(ptr, x, mem)
  2376  		return true
  2377  	}
  2378  	// match: (CMPW x l:(MOVWload {sym} [off] ptr mem))
  2379  	// cond: canMergeLoad(v, l) && clobber(l)
  2380  	// result: (InvertFlags (CMPWload {sym} [off] ptr x mem))
  2381  	for {
  2382  		x := v_0
  2383  		l := v_1
  2384  		if l.Op != Op386MOVWload {
  2385  			break
  2386  		}
  2387  		off := auxIntToInt32(l.AuxInt)
  2388  		sym := auxToSym(l.Aux)
  2389  		mem := l.Args[1]
  2390  		ptr := l.Args[0]
  2391  		if !(canMergeLoad(v, l) && clobber(l)) {
  2392  			break
  2393  		}
  2394  		v.reset(Op386InvertFlags)
  2395  		v0 := b.NewValue0(l.Pos, Op386CMPWload, types.TypeFlags)
  2396  		v0.AuxInt = int32ToAuxInt(off)
  2397  		v0.Aux = symToAux(sym)
  2398  		v0.AddArg3(ptr, x, mem)
  2399  		v.AddArg(v0)
  2400  		return true
  2401  	}
  2402  	return false
  2403  }
  2404  func rewriteValue386_Op386CMPWconst(v *Value) bool {
  2405  	v_0 := v.Args[0]
  2406  	b := v.Block
  2407  	// match: (CMPWconst (MOVLconst [x]) [y])
  2408  	// cond: int16(x)==y
  2409  	// result: (FlagEQ)
  2410  	for {
  2411  		y := auxIntToInt16(v.AuxInt)
  2412  		if v_0.Op != Op386MOVLconst {
  2413  			break
  2414  		}
  2415  		x := auxIntToInt32(v_0.AuxInt)
  2416  		if !(int16(x) == y) {
  2417  			break
  2418  		}
  2419  		v.reset(Op386FlagEQ)
  2420  		return true
  2421  	}
  2422  	// match: (CMPWconst (MOVLconst [x]) [y])
  2423  	// cond: int16(x)<y && uint16(x)<uint16(y)
  2424  	// result: (FlagLT_ULT)
  2425  	for {
  2426  		y := auxIntToInt16(v.AuxInt)
  2427  		if v_0.Op != Op386MOVLconst {
  2428  			break
  2429  		}
  2430  		x := auxIntToInt32(v_0.AuxInt)
  2431  		if !(int16(x) < y && uint16(x) < uint16(y)) {
  2432  			break
  2433  		}
  2434  		v.reset(Op386FlagLT_ULT)
  2435  		return true
  2436  	}
  2437  	// match: (CMPWconst (MOVLconst [x]) [y])
  2438  	// cond: int16(x)<y && uint16(x)>uint16(y)
  2439  	// result: (FlagLT_UGT)
  2440  	for {
  2441  		y := auxIntToInt16(v.AuxInt)
  2442  		if v_0.Op != Op386MOVLconst {
  2443  			break
  2444  		}
  2445  		x := auxIntToInt32(v_0.AuxInt)
  2446  		if !(int16(x) < y && uint16(x) > uint16(y)) {
  2447  			break
  2448  		}
  2449  		v.reset(Op386FlagLT_UGT)
  2450  		return true
  2451  	}
  2452  	// match: (CMPWconst (MOVLconst [x]) [y])
  2453  	// cond: int16(x)>y && uint16(x)<uint16(y)
  2454  	// result: (FlagGT_ULT)
  2455  	for {
  2456  		y := auxIntToInt16(v.AuxInt)
  2457  		if v_0.Op != Op386MOVLconst {
  2458  			break
  2459  		}
  2460  		x := auxIntToInt32(v_0.AuxInt)
  2461  		if !(int16(x) > y && uint16(x) < uint16(y)) {
  2462  			break
  2463  		}
  2464  		v.reset(Op386FlagGT_ULT)
  2465  		return true
  2466  	}
  2467  	// match: (CMPWconst (MOVLconst [x]) [y])
  2468  	// cond: int16(x)>y && uint16(x)>uint16(y)
  2469  	// result: (FlagGT_UGT)
  2470  	for {
  2471  		y := auxIntToInt16(v.AuxInt)
  2472  		if v_0.Op != Op386MOVLconst {
  2473  			break
  2474  		}
  2475  		x := auxIntToInt32(v_0.AuxInt)
  2476  		if !(int16(x) > y && uint16(x) > uint16(y)) {
  2477  			break
  2478  		}
  2479  		v.reset(Op386FlagGT_UGT)
  2480  		return true
  2481  	}
  2482  	// match: (CMPWconst (ANDLconst _ [m]) [n])
  2483  	// cond: 0 <= int16(m) && int16(m) < n
  2484  	// result: (FlagLT_ULT)
  2485  	for {
  2486  		n := auxIntToInt16(v.AuxInt)
  2487  		if v_0.Op != Op386ANDLconst {
  2488  			break
  2489  		}
  2490  		m := auxIntToInt32(v_0.AuxInt)
  2491  		if !(0 <= int16(m) && int16(m) < n) {
  2492  			break
  2493  		}
  2494  		v.reset(Op386FlagLT_ULT)
  2495  		return true
  2496  	}
  2497  	// match: (CMPWconst l:(ANDL x y) [0])
  2498  	// cond: l.Uses==1
  2499  	// result: (TESTW x y)
  2500  	for {
  2501  		if auxIntToInt16(v.AuxInt) != 0 {
  2502  			break
  2503  		}
  2504  		l := v_0
  2505  		if l.Op != Op386ANDL {
  2506  			break
  2507  		}
  2508  		y := l.Args[1]
  2509  		x := l.Args[0]
  2510  		if !(l.Uses == 1) {
  2511  			break
  2512  		}
  2513  		v.reset(Op386TESTW)
  2514  		v.AddArg2(x, y)
  2515  		return true
  2516  	}
  2517  	// match: (CMPWconst l:(ANDLconst [c] x) [0])
  2518  	// cond: l.Uses==1
  2519  	// result: (TESTWconst [int16(c)] x)
  2520  	for {
  2521  		if auxIntToInt16(v.AuxInt) != 0 {
  2522  			break
  2523  		}
  2524  		l := v_0
  2525  		if l.Op != Op386ANDLconst {
  2526  			break
  2527  		}
  2528  		c := auxIntToInt32(l.AuxInt)
  2529  		x := l.Args[0]
  2530  		if !(l.Uses == 1) {
  2531  			break
  2532  		}
  2533  		v.reset(Op386TESTWconst)
  2534  		v.AuxInt = int16ToAuxInt(int16(c))
  2535  		v.AddArg(x)
  2536  		return true
  2537  	}
  2538  	// match: (CMPWconst x [0])
  2539  	// result: (TESTW x x)
  2540  	for {
  2541  		if auxIntToInt16(v.AuxInt) != 0 {
  2542  			break
  2543  		}
  2544  		x := v_0
  2545  		v.reset(Op386TESTW)
  2546  		v.AddArg2(x, x)
  2547  		return true
  2548  	}
  2549  	// match: (CMPWconst l:(MOVWload {sym} [off] ptr mem) [c])
  2550  	// cond: l.Uses == 1 && clobber(l)
  2551  	// result: @l.Block (CMPWconstload {sym} [makeValAndOff(int32(c),off)] ptr mem)
  2552  	for {
  2553  		c := auxIntToInt16(v.AuxInt)
  2554  		l := v_0
  2555  		if l.Op != Op386MOVWload {
  2556  			break
  2557  		}
  2558  		off := auxIntToInt32(l.AuxInt)
  2559  		sym := auxToSym(l.Aux)
  2560  		mem := l.Args[1]
  2561  		ptr := l.Args[0]
  2562  		if !(l.Uses == 1 && clobber(l)) {
  2563  			break
  2564  		}
  2565  		b = l.Block
  2566  		v0 := b.NewValue0(l.Pos, Op386CMPWconstload, types.TypeFlags)
  2567  		v.copyOf(v0)
  2568  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(int32(c), off))
  2569  		v0.Aux = symToAux(sym)
  2570  		v0.AddArg2(ptr, mem)
  2571  		return true
  2572  	}
  2573  	return false
  2574  }
  2575  func rewriteValue386_Op386CMPWload(v *Value) bool {
  2576  	v_2 := v.Args[2]
  2577  	v_1 := v.Args[1]
  2578  	v_0 := v.Args[0]
  2579  	// match: (CMPWload {sym} [off] ptr (MOVLconst [c]) mem)
  2580  	// result: (CMPWconstload {sym} [makeValAndOff(int32(int16(c)),off)] ptr mem)
  2581  	for {
  2582  		off := auxIntToInt32(v.AuxInt)
  2583  		sym := auxToSym(v.Aux)
  2584  		ptr := v_0
  2585  		if v_1.Op != Op386MOVLconst {
  2586  			break
  2587  		}
  2588  		c := auxIntToInt32(v_1.AuxInt)
  2589  		mem := v_2
  2590  		v.reset(Op386CMPWconstload)
  2591  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(int32(int16(c)), off))
  2592  		v.Aux = symToAux(sym)
  2593  		v.AddArg2(ptr, mem)
  2594  		return true
  2595  	}
  2596  	return false
  2597  }
  2598  func rewriteValue386_Op386DIVSD(v *Value) bool {
  2599  	v_1 := v.Args[1]
  2600  	v_0 := v.Args[0]
  2601  	// match: (DIVSD x l:(MOVSDload [off] {sym} ptr mem))
  2602  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  2603  	// result: (DIVSDload x [off] {sym} ptr mem)
  2604  	for {
  2605  		x := v_0
  2606  		l := v_1
  2607  		if l.Op != Op386MOVSDload {
  2608  			break
  2609  		}
  2610  		off := auxIntToInt32(l.AuxInt)
  2611  		sym := auxToSym(l.Aux)
  2612  		mem := l.Args[1]
  2613  		ptr := l.Args[0]
  2614  		if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  2615  			break
  2616  		}
  2617  		v.reset(Op386DIVSDload)
  2618  		v.AuxInt = int32ToAuxInt(off)
  2619  		v.Aux = symToAux(sym)
  2620  		v.AddArg3(x, ptr, mem)
  2621  		return true
  2622  	}
  2623  	return false
  2624  }
  2625  func rewriteValue386_Op386DIVSDload(v *Value) bool {
  2626  	v_2 := v.Args[2]
  2627  	v_1 := v.Args[1]
  2628  	v_0 := v.Args[0]
  2629  	b := v.Block
  2630  	config := b.Func.Config
  2631  	// match: (DIVSDload [off1] {sym} val (ADDLconst [off2] base) mem)
  2632  	// cond: is32Bit(int64(off1)+int64(off2))
  2633  	// result: (DIVSDload [off1+off2] {sym} val base mem)
  2634  	for {
  2635  		off1 := auxIntToInt32(v.AuxInt)
  2636  		sym := auxToSym(v.Aux)
  2637  		val := v_0
  2638  		if v_1.Op != Op386ADDLconst {
  2639  			break
  2640  		}
  2641  		off2 := auxIntToInt32(v_1.AuxInt)
  2642  		base := v_1.Args[0]
  2643  		mem := v_2
  2644  		if !(is32Bit(int64(off1) + int64(off2))) {
  2645  			break
  2646  		}
  2647  		v.reset(Op386DIVSDload)
  2648  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2649  		v.Aux = symToAux(sym)
  2650  		v.AddArg3(val, base, mem)
  2651  		return true
  2652  	}
  2653  	// match: (DIVSDload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  2654  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  2655  	// result: (DIVSDload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  2656  	for {
  2657  		off1 := auxIntToInt32(v.AuxInt)
  2658  		sym1 := auxToSym(v.Aux)
  2659  		val := v_0
  2660  		if v_1.Op != Op386LEAL {
  2661  			break
  2662  		}
  2663  		off2 := auxIntToInt32(v_1.AuxInt)
  2664  		sym2 := auxToSym(v_1.Aux)
  2665  		base := v_1.Args[0]
  2666  		mem := v_2
  2667  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  2668  			break
  2669  		}
  2670  		v.reset(Op386DIVSDload)
  2671  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2672  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2673  		v.AddArg3(val, base, mem)
  2674  		return true
  2675  	}
  2676  	return false
  2677  }
  2678  func rewriteValue386_Op386DIVSS(v *Value) bool {
  2679  	v_1 := v.Args[1]
  2680  	v_0 := v.Args[0]
  2681  	// match: (DIVSS x l:(MOVSSload [off] {sym} ptr mem))
  2682  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  2683  	// result: (DIVSSload x [off] {sym} ptr mem)
  2684  	for {
  2685  		x := v_0
  2686  		l := v_1
  2687  		if l.Op != Op386MOVSSload {
  2688  			break
  2689  		}
  2690  		off := auxIntToInt32(l.AuxInt)
  2691  		sym := auxToSym(l.Aux)
  2692  		mem := l.Args[1]
  2693  		ptr := l.Args[0]
  2694  		if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  2695  			break
  2696  		}
  2697  		v.reset(Op386DIVSSload)
  2698  		v.AuxInt = int32ToAuxInt(off)
  2699  		v.Aux = symToAux(sym)
  2700  		v.AddArg3(x, ptr, mem)
  2701  		return true
  2702  	}
  2703  	return false
  2704  }
  2705  func rewriteValue386_Op386DIVSSload(v *Value) bool {
  2706  	v_2 := v.Args[2]
  2707  	v_1 := v.Args[1]
  2708  	v_0 := v.Args[0]
  2709  	b := v.Block
  2710  	config := b.Func.Config
  2711  	// match: (DIVSSload [off1] {sym} val (ADDLconst [off2] base) mem)
  2712  	// cond: is32Bit(int64(off1)+int64(off2))
  2713  	// result: (DIVSSload [off1+off2] {sym} val base mem)
  2714  	for {
  2715  		off1 := auxIntToInt32(v.AuxInt)
  2716  		sym := auxToSym(v.Aux)
  2717  		val := v_0
  2718  		if v_1.Op != Op386ADDLconst {
  2719  			break
  2720  		}
  2721  		off2 := auxIntToInt32(v_1.AuxInt)
  2722  		base := v_1.Args[0]
  2723  		mem := v_2
  2724  		if !(is32Bit(int64(off1) + int64(off2))) {
  2725  			break
  2726  		}
  2727  		v.reset(Op386DIVSSload)
  2728  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2729  		v.Aux = symToAux(sym)
  2730  		v.AddArg3(val, base, mem)
  2731  		return true
  2732  	}
  2733  	// match: (DIVSSload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  2734  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  2735  	// result: (DIVSSload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  2736  	for {
  2737  		off1 := auxIntToInt32(v.AuxInt)
  2738  		sym1 := auxToSym(v.Aux)
  2739  		val := v_0
  2740  		if v_1.Op != Op386LEAL {
  2741  			break
  2742  		}
  2743  		off2 := auxIntToInt32(v_1.AuxInt)
  2744  		sym2 := auxToSym(v_1.Aux)
  2745  		base := v_1.Args[0]
  2746  		mem := v_2
  2747  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  2748  			break
  2749  		}
  2750  		v.reset(Op386DIVSSload)
  2751  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2752  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2753  		v.AddArg3(val, base, mem)
  2754  		return true
  2755  	}
  2756  	return false
  2757  }
  2758  func rewriteValue386_Op386LEAL(v *Value) bool {
  2759  	v_0 := v.Args[0]
  2760  	// match: (LEAL [c] {s} (ADDLconst [d] x))
  2761  	// cond: is32Bit(int64(c)+int64(d))
  2762  	// result: (LEAL [c+d] {s} x)
  2763  	for {
  2764  		c := auxIntToInt32(v.AuxInt)
  2765  		s := auxToSym(v.Aux)
  2766  		if v_0.Op != Op386ADDLconst {
  2767  			break
  2768  		}
  2769  		d := auxIntToInt32(v_0.AuxInt)
  2770  		x := v_0.Args[0]
  2771  		if !(is32Bit(int64(c) + int64(d))) {
  2772  			break
  2773  		}
  2774  		v.reset(Op386LEAL)
  2775  		v.AuxInt = int32ToAuxInt(c + d)
  2776  		v.Aux = symToAux(s)
  2777  		v.AddArg(x)
  2778  		return true
  2779  	}
  2780  	// match: (LEAL [c] {s} (ADDL x y))
  2781  	// cond: x.Op != OpSB && y.Op != OpSB
  2782  	// result: (LEAL1 [c] {s} x y)
  2783  	for {
  2784  		c := auxIntToInt32(v.AuxInt)
  2785  		s := auxToSym(v.Aux)
  2786  		if v_0.Op != Op386ADDL {
  2787  			break
  2788  		}
  2789  		_ = v_0.Args[1]
  2790  		v_0_0 := v_0.Args[0]
  2791  		v_0_1 := v_0.Args[1]
  2792  		for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 {
  2793  			x := v_0_0
  2794  			y := v_0_1
  2795  			if !(x.Op != OpSB && y.Op != OpSB) {
  2796  				continue
  2797  			}
  2798  			v.reset(Op386LEAL1)
  2799  			v.AuxInt = int32ToAuxInt(c)
  2800  			v.Aux = symToAux(s)
  2801  			v.AddArg2(x, y)
  2802  			return true
  2803  		}
  2804  		break
  2805  	}
  2806  	// match: (LEAL [off1] {sym1} (LEAL [off2] {sym2} x))
  2807  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  2808  	// result: (LEAL [off1+off2] {mergeSym(sym1,sym2)} x)
  2809  	for {
  2810  		off1 := auxIntToInt32(v.AuxInt)
  2811  		sym1 := auxToSym(v.Aux)
  2812  		if v_0.Op != Op386LEAL {
  2813  			break
  2814  		}
  2815  		off2 := auxIntToInt32(v_0.AuxInt)
  2816  		sym2 := auxToSym(v_0.Aux)
  2817  		x := v_0.Args[0]
  2818  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  2819  			break
  2820  		}
  2821  		v.reset(Op386LEAL)
  2822  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2823  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2824  		v.AddArg(x)
  2825  		return true
  2826  	}
  2827  	// match: (LEAL [off1] {sym1} (LEAL1 [off2] {sym2} x y))
  2828  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  2829  	// result: (LEAL1 [off1+off2] {mergeSym(sym1,sym2)} x y)
  2830  	for {
  2831  		off1 := auxIntToInt32(v.AuxInt)
  2832  		sym1 := auxToSym(v.Aux)
  2833  		if v_0.Op != Op386LEAL1 {
  2834  			break
  2835  		}
  2836  		off2 := auxIntToInt32(v_0.AuxInt)
  2837  		sym2 := auxToSym(v_0.Aux)
  2838  		y := v_0.Args[1]
  2839  		x := v_0.Args[0]
  2840  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  2841  			break
  2842  		}
  2843  		v.reset(Op386LEAL1)
  2844  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2845  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2846  		v.AddArg2(x, y)
  2847  		return true
  2848  	}
  2849  	// match: (LEAL [off1] {sym1} (LEAL2 [off2] {sym2} x y))
  2850  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  2851  	// result: (LEAL2 [off1+off2] {mergeSym(sym1,sym2)} x y)
  2852  	for {
  2853  		off1 := auxIntToInt32(v.AuxInt)
  2854  		sym1 := auxToSym(v.Aux)
  2855  		if v_0.Op != Op386LEAL2 {
  2856  			break
  2857  		}
  2858  		off2 := auxIntToInt32(v_0.AuxInt)
  2859  		sym2 := auxToSym(v_0.Aux)
  2860  		y := v_0.Args[1]
  2861  		x := v_0.Args[0]
  2862  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  2863  			break
  2864  		}
  2865  		v.reset(Op386LEAL2)
  2866  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2867  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2868  		v.AddArg2(x, y)
  2869  		return true
  2870  	}
  2871  	// match: (LEAL [off1] {sym1} (LEAL4 [off2] {sym2} x y))
  2872  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  2873  	// result: (LEAL4 [off1+off2] {mergeSym(sym1,sym2)} x y)
  2874  	for {
  2875  		off1 := auxIntToInt32(v.AuxInt)
  2876  		sym1 := auxToSym(v.Aux)
  2877  		if v_0.Op != Op386LEAL4 {
  2878  			break
  2879  		}
  2880  		off2 := auxIntToInt32(v_0.AuxInt)
  2881  		sym2 := auxToSym(v_0.Aux)
  2882  		y := v_0.Args[1]
  2883  		x := v_0.Args[0]
  2884  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  2885  			break
  2886  		}
  2887  		v.reset(Op386LEAL4)
  2888  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2889  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2890  		v.AddArg2(x, y)
  2891  		return true
  2892  	}
  2893  	// match: (LEAL [off1] {sym1} (LEAL8 [off2] {sym2} x y))
  2894  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  2895  	// result: (LEAL8 [off1+off2] {mergeSym(sym1,sym2)} x y)
  2896  	for {
  2897  		off1 := auxIntToInt32(v.AuxInt)
  2898  		sym1 := auxToSym(v.Aux)
  2899  		if v_0.Op != Op386LEAL8 {
  2900  			break
  2901  		}
  2902  		off2 := auxIntToInt32(v_0.AuxInt)
  2903  		sym2 := auxToSym(v_0.Aux)
  2904  		y := v_0.Args[1]
  2905  		x := v_0.Args[0]
  2906  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  2907  			break
  2908  		}
  2909  		v.reset(Op386LEAL8)
  2910  		v.AuxInt = int32ToAuxInt(off1 + off2)
  2911  		v.Aux = symToAux(mergeSym(sym1, sym2))
  2912  		v.AddArg2(x, y)
  2913  		return true
  2914  	}
  2915  	return false
  2916  }
  2917  func rewriteValue386_Op386LEAL1(v *Value) bool {
  2918  	v_1 := v.Args[1]
  2919  	v_0 := v.Args[0]
  2920  	// match: (LEAL1 [c] {s} (ADDLconst [d] x) y)
  2921  	// cond: is32Bit(int64(c)+int64(d)) && x.Op != OpSB
  2922  	// result: (LEAL1 [c+d] {s} x y)
  2923  	for {
  2924  		c := auxIntToInt32(v.AuxInt)
  2925  		s := auxToSym(v.Aux)
  2926  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2927  			if v_0.Op != Op386ADDLconst {
  2928  				continue
  2929  			}
  2930  			d := auxIntToInt32(v_0.AuxInt)
  2931  			x := v_0.Args[0]
  2932  			y := v_1
  2933  			if !(is32Bit(int64(c)+int64(d)) && x.Op != OpSB) {
  2934  				continue
  2935  			}
  2936  			v.reset(Op386LEAL1)
  2937  			v.AuxInt = int32ToAuxInt(c + d)
  2938  			v.Aux = symToAux(s)
  2939  			v.AddArg2(x, y)
  2940  			return true
  2941  		}
  2942  		break
  2943  	}
  2944  	// match: (LEAL1 [c] {s} x (SHLLconst [1] y))
  2945  	// result: (LEAL2 [c] {s} x y)
  2946  	for {
  2947  		c := auxIntToInt32(v.AuxInt)
  2948  		s := auxToSym(v.Aux)
  2949  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2950  			x := v_0
  2951  			if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 1 {
  2952  				continue
  2953  			}
  2954  			y := v_1.Args[0]
  2955  			v.reset(Op386LEAL2)
  2956  			v.AuxInt = int32ToAuxInt(c)
  2957  			v.Aux = symToAux(s)
  2958  			v.AddArg2(x, y)
  2959  			return true
  2960  		}
  2961  		break
  2962  	}
  2963  	// match: (LEAL1 [c] {s} x (SHLLconst [2] y))
  2964  	// result: (LEAL4 [c] {s} x y)
  2965  	for {
  2966  		c := auxIntToInt32(v.AuxInt)
  2967  		s := auxToSym(v.Aux)
  2968  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2969  			x := v_0
  2970  			if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 2 {
  2971  				continue
  2972  			}
  2973  			y := v_1.Args[0]
  2974  			v.reset(Op386LEAL4)
  2975  			v.AuxInt = int32ToAuxInt(c)
  2976  			v.Aux = symToAux(s)
  2977  			v.AddArg2(x, y)
  2978  			return true
  2979  		}
  2980  		break
  2981  	}
  2982  	// match: (LEAL1 [c] {s} x (SHLLconst [3] y))
  2983  	// result: (LEAL8 [c] {s} x y)
  2984  	for {
  2985  		c := auxIntToInt32(v.AuxInt)
  2986  		s := auxToSym(v.Aux)
  2987  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  2988  			x := v_0
  2989  			if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 3 {
  2990  				continue
  2991  			}
  2992  			y := v_1.Args[0]
  2993  			v.reset(Op386LEAL8)
  2994  			v.AuxInt = int32ToAuxInt(c)
  2995  			v.Aux = symToAux(s)
  2996  			v.AddArg2(x, y)
  2997  			return true
  2998  		}
  2999  		break
  3000  	}
  3001  	// match: (LEAL1 [off1] {sym1} (LEAL [off2] {sym2} x) y)
  3002  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB
  3003  	// result: (LEAL1 [off1+off2] {mergeSym(sym1,sym2)} x y)
  3004  	for {
  3005  		off1 := auxIntToInt32(v.AuxInt)
  3006  		sym1 := auxToSym(v.Aux)
  3007  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3008  			if v_0.Op != Op386LEAL {
  3009  				continue
  3010  			}
  3011  			off2 := auxIntToInt32(v_0.AuxInt)
  3012  			sym2 := auxToSym(v_0.Aux)
  3013  			x := v_0.Args[0]
  3014  			y := v_1
  3015  			if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB) {
  3016  				continue
  3017  			}
  3018  			v.reset(Op386LEAL1)
  3019  			v.AuxInt = int32ToAuxInt(off1 + off2)
  3020  			v.Aux = symToAux(mergeSym(sym1, sym2))
  3021  			v.AddArg2(x, y)
  3022  			return true
  3023  		}
  3024  		break
  3025  	}
  3026  	// match: (LEAL1 [off1] {sym1} x (LEAL1 [off2] {sym2} y y))
  3027  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  3028  	// result: (LEAL2 [off1+off2] {mergeSym(sym1, sym2)} x y)
  3029  	for {
  3030  		off1 := auxIntToInt32(v.AuxInt)
  3031  		sym1 := auxToSym(v.Aux)
  3032  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3033  			x := v_0
  3034  			if v_1.Op != Op386LEAL1 {
  3035  				continue
  3036  			}
  3037  			off2 := auxIntToInt32(v_1.AuxInt)
  3038  			sym2 := auxToSym(v_1.Aux)
  3039  			y := v_1.Args[1]
  3040  			if y != v_1.Args[0] || !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  3041  				continue
  3042  			}
  3043  			v.reset(Op386LEAL2)
  3044  			v.AuxInt = int32ToAuxInt(off1 + off2)
  3045  			v.Aux = symToAux(mergeSym(sym1, sym2))
  3046  			v.AddArg2(x, y)
  3047  			return true
  3048  		}
  3049  		break
  3050  	}
  3051  	// match: (LEAL1 [off1] {sym1} x (LEAL1 [off2] {sym2} x y))
  3052  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)
  3053  	// result: (LEAL2 [off1+off2] {mergeSym(sym1, sym2)} y x)
  3054  	for {
  3055  		off1 := auxIntToInt32(v.AuxInt)
  3056  		sym1 := auxToSym(v.Aux)
  3057  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  3058  			x := v_0
  3059  			if v_1.Op != Op386LEAL1 {
  3060  				continue
  3061  			}
  3062  			off2 := auxIntToInt32(v_1.AuxInt)
  3063  			sym2 := auxToSym(v_1.Aux)
  3064  			_ = v_1.Args[1]
  3065  			v_1_0 := v_1.Args[0]
  3066  			v_1_1 := v_1.Args[1]
  3067  			for _i1 := 0; _i1 <= 1; _i1, v_1_0, v_1_1 = _i1+1, v_1_1, v_1_0 {
  3068  				if x != v_1_0 {
  3069  					continue
  3070  				}
  3071  				y := v_1_1
  3072  				if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2)) {
  3073  					continue
  3074  				}
  3075  				v.reset(Op386LEAL2)
  3076  				v.AuxInt = int32ToAuxInt(off1 + off2)
  3077  				v.Aux = symToAux(mergeSym(sym1, sym2))
  3078  				v.AddArg2(y, x)
  3079  				return true
  3080  			}
  3081  		}
  3082  		break
  3083  	}
  3084  	// match: (LEAL1 [0] {nil} x y)
  3085  	// result: (ADDL x y)
  3086  	for {
  3087  		if auxIntToInt32(v.AuxInt) != 0 || auxToSym(v.Aux) != nil {
  3088  			break
  3089  		}
  3090  		x := v_0
  3091  		y := v_1
  3092  		v.reset(Op386ADDL)
  3093  		v.AddArg2(x, y)
  3094  		return true
  3095  	}
  3096  	return false
  3097  }
  3098  func rewriteValue386_Op386LEAL2(v *Value) bool {
  3099  	v_1 := v.Args[1]
  3100  	v_0 := v.Args[0]
  3101  	// match: (LEAL2 [c] {s} (ADDLconst [d] x) y)
  3102  	// cond: is32Bit(int64(c)+int64(d)) && x.Op != OpSB
  3103  	// result: (LEAL2 [c+d] {s} x y)
  3104  	for {
  3105  		c := auxIntToInt32(v.AuxInt)
  3106  		s := auxToSym(v.Aux)
  3107  		if v_0.Op != Op386ADDLconst {
  3108  			break
  3109  		}
  3110  		d := auxIntToInt32(v_0.AuxInt)
  3111  		x := v_0.Args[0]
  3112  		y := v_1
  3113  		if !(is32Bit(int64(c)+int64(d)) && x.Op != OpSB) {
  3114  			break
  3115  		}
  3116  		v.reset(Op386LEAL2)
  3117  		v.AuxInt = int32ToAuxInt(c + d)
  3118  		v.Aux = symToAux(s)
  3119  		v.AddArg2(x, y)
  3120  		return true
  3121  	}
  3122  	// match: (LEAL2 [c] {s} x (ADDLconst [d] y))
  3123  	// cond: is32Bit(int64(c)+2*int64(d)) && y.Op != OpSB
  3124  	// result: (LEAL2 [c+2*d] {s} x y)
  3125  	for {
  3126  		c := auxIntToInt32(v.AuxInt)
  3127  		s := auxToSym(v.Aux)
  3128  		x := v_0
  3129  		if v_1.Op != Op386ADDLconst {
  3130  			break
  3131  		}
  3132  		d := auxIntToInt32(v_1.AuxInt)
  3133  		y := v_1.Args[0]
  3134  		if !(is32Bit(int64(c)+2*int64(d)) && y.Op != OpSB) {
  3135  			break
  3136  		}
  3137  		v.reset(Op386LEAL2)
  3138  		v.AuxInt = int32ToAuxInt(c + 2*d)
  3139  		v.Aux = symToAux(s)
  3140  		v.AddArg2(x, y)
  3141  		return true
  3142  	}
  3143  	// match: (LEAL2 [c] {s} x (SHLLconst [1] y))
  3144  	// result: (LEAL4 [c] {s} x y)
  3145  	for {
  3146  		c := auxIntToInt32(v.AuxInt)
  3147  		s := auxToSym(v.Aux)
  3148  		x := v_0
  3149  		if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 1 {
  3150  			break
  3151  		}
  3152  		y := v_1.Args[0]
  3153  		v.reset(Op386LEAL4)
  3154  		v.AuxInt = int32ToAuxInt(c)
  3155  		v.Aux = symToAux(s)
  3156  		v.AddArg2(x, y)
  3157  		return true
  3158  	}
  3159  	// match: (LEAL2 [c] {s} x (SHLLconst [2] y))
  3160  	// result: (LEAL8 [c] {s} x y)
  3161  	for {
  3162  		c := auxIntToInt32(v.AuxInt)
  3163  		s := auxToSym(v.Aux)
  3164  		x := v_0
  3165  		if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 2 {
  3166  			break
  3167  		}
  3168  		y := v_1.Args[0]
  3169  		v.reset(Op386LEAL8)
  3170  		v.AuxInt = int32ToAuxInt(c)
  3171  		v.Aux = symToAux(s)
  3172  		v.AddArg2(x, y)
  3173  		return true
  3174  	}
  3175  	// match: (LEAL2 [off1] {sym1} (LEAL [off2] {sym2} x) y)
  3176  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB
  3177  	// result: (LEAL2 [off1+off2] {mergeSym(sym1,sym2)} x y)
  3178  	for {
  3179  		off1 := auxIntToInt32(v.AuxInt)
  3180  		sym1 := auxToSym(v.Aux)
  3181  		if v_0.Op != Op386LEAL {
  3182  			break
  3183  		}
  3184  		off2 := auxIntToInt32(v_0.AuxInt)
  3185  		sym2 := auxToSym(v_0.Aux)
  3186  		x := v_0.Args[0]
  3187  		y := v_1
  3188  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB) {
  3189  			break
  3190  		}
  3191  		v.reset(Op386LEAL2)
  3192  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3193  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3194  		v.AddArg2(x, y)
  3195  		return true
  3196  	}
  3197  	// match: (LEAL2 [off1] {sym} x (LEAL1 [off2] {nil} y y))
  3198  	// cond: is32Bit(int64(off1)+2*int64(off2))
  3199  	// result: (LEAL4 [off1+2*off2] {sym} x y)
  3200  	for {
  3201  		off1 := auxIntToInt32(v.AuxInt)
  3202  		sym := auxToSym(v.Aux)
  3203  		x := v_0
  3204  		if v_1.Op != Op386LEAL1 {
  3205  			break
  3206  		}
  3207  		off2 := auxIntToInt32(v_1.AuxInt)
  3208  		if auxToSym(v_1.Aux) != nil {
  3209  			break
  3210  		}
  3211  		y := v_1.Args[1]
  3212  		if y != v_1.Args[0] || !(is32Bit(int64(off1) + 2*int64(off2))) {
  3213  			break
  3214  		}
  3215  		v.reset(Op386LEAL4)
  3216  		v.AuxInt = int32ToAuxInt(off1 + 2*off2)
  3217  		v.Aux = symToAux(sym)
  3218  		v.AddArg2(x, y)
  3219  		return true
  3220  	}
  3221  	return false
  3222  }
  3223  func rewriteValue386_Op386LEAL4(v *Value) bool {
  3224  	v_1 := v.Args[1]
  3225  	v_0 := v.Args[0]
  3226  	// match: (LEAL4 [c] {s} (ADDLconst [d] x) y)
  3227  	// cond: is32Bit(int64(c)+int64(d)) && x.Op != OpSB
  3228  	// result: (LEAL4 [c+d] {s} x y)
  3229  	for {
  3230  		c := auxIntToInt32(v.AuxInt)
  3231  		s := auxToSym(v.Aux)
  3232  		if v_0.Op != Op386ADDLconst {
  3233  			break
  3234  		}
  3235  		d := auxIntToInt32(v_0.AuxInt)
  3236  		x := v_0.Args[0]
  3237  		y := v_1
  3238  		if !(is32Bit(int64(c)+int64(d)) && x.Op != OpSB) {
  3239  			break
  3240  		}
  3241  		v.reset(Op386LEAL4)
  3242  		v.AuxInt = int32ToAuxInt(c + d)
  3243  		v.Aux = symToAux(s)
  3244  		v.AddArg2(x, y)
  3245  		return true
  3246  	}
  3247  	// match: (LEAL4 [c] {s} x (ADDLconst [d] y))
  3248  	// cond: is32Bit(int64(c)+4*int64(d)) && y.Op != OpSB
  3249  	// result: (LEAL4 [c+4*d] {s} x y)
  3250  	for {
  3251  		c := auxIntToInt32(v.AuxInt)
  3252  		s := auxToSym(v.Aux)
  3253  		x := v_0
  3254  		if v_1.Op != Op386ADDLconst {
  3255  			break
  3256  		}
  3257  		d := auxIntToInt32(v_1.AuxInt)
  3258  		y := v_1.Args[0]
  3259  		if !(is32Bit(int64(c)+4*int64(d)) && y.Op != OpSB) {
  3260  			break
  3261  		}
  3262  		v.reset(Op386LEAL4)
  3263  		v.AuxInt = int32ToAuxInt(c + 4*d)
  3264  		v.Aux = symToAux(s)
  3265  		v.AddArg2(x, y)
  3266  		return true
  3267  	}
  3268  	// match: (LEAL4 [c] {s} x (SHLLconst [1] y))
  3269  	// result: (LEAL8 [c] {s} x y)
  3270  	for {
  3271  		c := auxIntToInt32(v.AuxInt)
  3272  		s := auxToSym(v.Aux)
  3273  		x := v_0
  3274  		if v_1.Op != Op386SHLLconst || auxIntToInt32(v_1.AuxInt) != 1 {
  3275  			break
  3276  		}
  3277  		y := v_1.Args[0]
  3278  		v.reset(Op386LEAL8)
  3279  		v.AuxInt = int32ToAuxInt(c)
  3280  		v.Aux = symToAux(s)
  3281  		v.AddArg2(x, y)
  3282  		return true
  3283  	}
  3284  	// match: (LEAL4 [off1] {sym1} (LEAL [off2] {sym2} x) y)
  3285  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB
  3286  	// result: (LEAL4 [off1+off2] {mergeSym(sym1,sym2)} x y)
  3287  	for {
  3288  		off1 := auxIntToInt32(v.AuxInt)
  3289  		sym1 := auxToSym(v.Aux)
  3290  		if v_0.Op != Op386LEAL {
  3291  			break
  3292  		}
  3293  		off2 := auxIntToInt32(v_0.AuxInt)
  3294  		sym2 := auxToSym(v_0.Aux)
  3295  		x := v_0.Args[0]
  3296  		y := v_1
  3297  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB) {
  3298  			break
  3299  		}
  3300  		v.reset(Op386LEAL4)
  3301  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3302  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3303  		v.AddArg2(x, y)
  3304  		return true
  3305  	}
  3306  	// match: (LEAL4 [off1] {sym} x (LEAL1 [off2] {nil} y y))
  3307  	// cond: is32Bit(int64(off1)+4*int64(off2))
  3308  	// result: (LEAL8 [off1+4*off2] {sym} x y)
  3309  	for {
  3310  		off1 := auxIntToInt32(v.AuxInt)
  3311  		sym := auxToSym(v.Aux)
  3312  		x := v_0
  3313  		if v_1.Op != Op386LEAL1 {
  3314  			break
  3315  		}
  3316  		off2 := auxIntToInt32(v_1.AuxInt)
  3317  		if auxToSym(v_1.Aux) != nil {
  3318  			break
  3319  		}
  3320  		y := v_1.Args[1]
  3321  		if y != v_1.Args[0] || !(is32Bit(int64(off1) + 4*int64(off2))) {
  3322  			break
  3323  		}
  3324  		v.reset(Op386LEAL8)
  3325  		v.AuxInt = int32ToAuxInt(off1 + 4*off2)
  3326  		v.Aux = symToAux(sym)
  3327  		v.AddArg2(x, y)
  3328  		return true
  3329  	}
  3330  	return false
  3331  }
  3332  func rewriteValue386_Op386LEAL8(v *Value) bool {
  3333  	v_1 := v.Args[1]
  3334  	v_0 := v.Args[0]
  3335  	// match: (LEAL8 [c] {s} (ADDLconst [d] x) y)
  3336  	// cond: is32Bit(int64(c)+int64(d)) && x.Op != OpSB
  3337  	// result: (LEAL8 [c+d] {s} x y)
  3338  	for {
  3339  		c := auxIntToInt32(v.AuxInt)
  3340  		s := auxToSym(v.Aux)
  3341  		if v_0.Op != Op386ADDLconst {
  3342  			break
  3343  		}
  3344  		d := auxIntToInt32(v_0.AuxInt)
  3345  		x := v_0.Args[0]
  3346  		y := v_1
  3347  		if !(is32Bit(int64(c)+int64(d)) && x.Op != OpSB) {
  3348  			break
  3349  		}
  3350  		v.reset(Op386LEAL8)
  3351  		v.AuxInt = int32ToAuxInt(c + d)
  3352  		v.Aux = symToAux(s)
  3353  		v.AddArg2(x, y)
  3354  		return true
  3355  	}
  3356  	// match: (LEAL8 [c] {s} x (ADDLconst [d] y))
  3357  	// cond: is32Bit(int64(c)+8*int64(d)) && y.Op != OpSB
  3358  	// result: (LEAL8 [c+8*d] {s} x y)
  3359  	for {
  3360  		c := auxIntToInt32(v.AuxInt)
  3361  		s := auxToSym(v.Aux)
  3362  		x := v_0
  3363  		if v_1.Op != Op386ADDLconst {
  3364  			break
  3365  		}
  3366  		d := auxIntToInt32(v_1.AuxInt)
  3367  		y := v_1.Args[0]
  3368  		if !(is32Bit(int64(c)+8*int64(d)) && y.Op != OpSB) {
  3369  			break
  3370  		}
  3371  		v.reset(Op386LEAL8)
  3372  		v.AuxInt = int32ToAuxInt(c + 8*d)
  3373  		v.Aux = symToAux(s)
  3374  		v.AddArg2(x, y)
  3375  		return true
  3376  	}
  3377  	// match: (LEAL8 [off1] {sym1} (LEAL [off2] {sym2} x) y)
  3378  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB
  3379  	// result: (LEAL8 [off1+off2] {mergeSym(sym1,sym2)} x y)
  3380  	for {
  3381  		off1 := auxIntToInt32(v.AuxInt)
  3382  		sym1 := auxToSym(v.Aux)
  3383  		if v_0.Op != Op386LEAL {
  3384  			break
  3385  		}
  3386  		off2 := auxIntToInt32(v_0.AuxInt)
  3387  		sym2 := auxToSym(v_0.Aux)
  3388  		x := v_0.Args[0]
  3389  		y := v_1
  3390  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && x.Op != OpSB) {
  3391  			break
  3392  		}
  3393  		v.reset(Op386LEAL8)
  3394  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3395  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3396  		v.AddArg2(x, y)
  3397  		return true
  3398  	}
  3399  	return false
  3400  }
  3401  func rewriteValue386_Op386MOVBLSX(v *Value) bool {
  3402  	v_0 := v.Args[0]
  3403  	b := v.Block
  3404  	// match: (MOVBLSX x:(MOVBload [off] {sym} ptr mem))
  3405  	// cond: x.Uses == 1 && clobber(x)
  3406  	// result: @x.Block (MOVBLSXload <v.Type> [off] {sym} ptr mem)
  3407  	for {
  3408  		x := v_0
  3409  		if x.Op != Op386MOVBload {
  3410  			break
  3411  		}
  3412  		off := auxIntToInt32(x.AuxInt)
  3413  		sym := auxToSym(x.Aux)
  3414  		mem := x.Args[1]
  3415  		ptr := x.Args[0]
  3416  		if !(x.Uses == 1 && clobber(x)) {
  3417  			break
  3418  		}
  3419  		b = x.Block
  3420  		v0 := b.NewValue0(x.Pos, Op386MOVBLSXload, v.Type)
  3421  		v.copyOf(v0)
  3422  		v0.AuxInt = int32ToAuxInt(off)
  3423  		v0.Aux = symToAux(sym)
  3424  		v0.AddArg2(ptr, mem)
  3425  		return true
  3426  	}
  3427  	// match: (MOVBLSX (ANDLconst [c] x))
  3428  	// cond: c & 0x80 == 0
  3429  	// result: (ANDLconst [c & 0x7f] x)
  3430  	for {
  3431  		if v_0.Op != Op386ANDLconst {
  3432  			break
  3433  		}
  3434  		c := auxIntToInt32(v_0.AuxInt)
  3435  		x := v_0.Args[0]
  3436  		if !(c&0x80 == 0) {
  3437  			break
  3438  		}
  3439  		v.reset(Op386ANDLconst)
  3440  		v.AuxInt = int32ToAuxInt(c & 0x7f)
  3441  		v.AddArg(x)
  3442  		return true
  3443  	}
  3444  	return false
  3445  }
  3446  func rewriteValue386_Op386MOVBLSXload(v *Value) bool {
  3447  	v_1 := v.Args[1]
  3448  	v_0 := v.Args[0]
  3449  	b := v.Block
  3450  	config := b.Func.Config
  3451  	// match: (MOVBLSXload [off] {sym} ptr (MOVBstore [off2] {sym2} ptr2 x _))
  3452  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  3453  	// result: (MOVBLSX x)
  3454  	for {
  3455  		off := auxIntToInt32(v.AuxInt)
  3456  		sym := auxToSym(v.Aux)
  3457  		ptr := v_0
  3458  		if v_1.Op != Op386MOVBstore {
  3459  			break
  3460  		}
  3461  		off2 := auxIntToInt32(v_1.AuxInt)
  3462  		sym2 := auxToSym(v_1.Aux)
  3463  		x := v_1.Args[1]
  3464  		ptr2 := v_1.Args[0]
  3465  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  3466  			break
  3467  		}
  3468  		v.reset(Op386MOVBLSX)
  3469  		v.AddArg(x)
  3470  		return true
  3471  	}
  3472  	// match: (MOVBLSXload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  3473  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  3474  	// result: (MOVBLSXload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  3475  	for {
  3476  		off1 := auxIntToInt32(v.AuxInt)
  3477  		sym1 := auxToSym(v.Aux)
  3478  		if v_0.Op != Op386LEAL {
  3479  			break
  3480  		}
  3481  		off2 := auxIntToInt32(v_0.AuxInt)
  3482  		sym2 := auxToSym(v_0.Aux)
  3483  		base := v_0.Args[0]
  3484  		mem := v_1
  3485  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  3486  			break
  3487  		}
  3488  		v.reset(Op386MOVBLSXload)
  3489  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3490  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3491  		v.AddArg2(base, mem)
  3492  		return true
  3493  	}
  3494  	// match: (MOVBLSXload [off] {sym} (SB) _)
  3495  	// cond: symIsRO(sym)
  3496  	// result: (MOVLconst [int32(int8(read8(sym, int64(off))))])
  3497  	for {
  3498  		off := auxIntToInt32(v.AuxInt)
  3499  		sym := auxToSym(v.Aux)
  3500  		if v_0.Op != OpSB || !(symIsRO(sym)) {
  3501  			break
  3502  		}
  3503  		v.reset(Op386MOVLconst)
  3504  		v.AuxInt = int32ToAuxInt(int32(int8(read8(sym, int64(off)))))
  3505  		return true
  3506  	}
  3507  	return false
  3508  }
  3509  func rewriteValue386_Op386MOVBLZX(v *Value) bool {
  3510  	v_0 := v.Args[0]
  3511  	b := v.Block
  3512  	// match: (MOVBLZX x:(MOVBload [off] {sym} ptr mem))
  3513  	// cond: x.Uses == 1 && clobber(x)
  3514  	// result: @x.Block (MOVBload <v.Type> [off] {sym} ptr mem)
  3515  	for {
  3516  		x := v_0
  3517  		if x.Op != Op386MOVBload {
  3518  			break
  3519  		}
  3520  		off := auxIntToInt32(x.AuxInt)
  3521  		sym := auxToSym(x.Aux)
  3522  		mem := x.Args[1]
  3523  		ptr := x.Args[0]
  3524  		if !(x.Uses == 1 && clobber(x)) {
  3525  			break
  3526  		}
  3527  		b = x.Block
  3528  		v0 := b.NewValue0(x.Pos, Op386MOVBload, v.Type)
  3529  		v.copyOf(v0)
  3530  		v0.AuxInt = int32ToAuxInt(off)
  3531  		v0.Aux = symToAux(sym)
  3532  		v0.AddArg2(ptr, mem)
  3533  		return true
  3534  	}
  3535  	// match: (MOVBLZX (ANDLconst [c] x))
  3536  	// result: (ANDLconst [c & 0xff] x)
  3537  	for {
  3538  		if v_0.Op != Op386ANDLconst {
  3539  			break
  3540  		}
  3541  		c := auxIntToInt32(v_0.AuxInt)
  3542  		x := v_0.Args[0]
  3543  		v.reset(Op386ANDLconst)
  3544  		v.AuxInt = int32ToAuxInt(c & 0xff)
  3545  		v.AddArg(x)
  3546  		return true
  3547  	}
  3548  	return false
  3549  }
  3550  func rewriteValue386_Op386MOVBload(v *Value) bool {
  3551  	v_1 := v.Args[1]
  3552  	v_0 := v.Args[0]
  3553  	b := v.Block
  3554  	config := b.Func.Config
  3555  	// match: (MOVBload [off] {sym} ptr (MOVBstore [off2] {sym2} ptr2 x _))
  3556  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  3557  	// result: (MOVBLZX x)
  3558  	for {
  3559  		off := auxIntToInt32(v.AuxInt)
  3560  		sym := auxToSym(v.Aux)
  3561  		ptr := v_0
  3562  		if v_1.Op != Op386MOVBstore {
  3563  			break
  3564  		}
  3565  		off2 := auxIntToInt32(v_1.AuxInt)
  3566  		sym2 := auxToSym(v_1.Aux)
  3567  		x := v_1.Args[1]
  3568  		ptr2 := v_1.Args[0]
  3569  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  3570  			break
  3571  		}
  3572  		v.reset(Op386MOVBLZX)
  3573  		v.AddArg(x)
  3574  		return true
  3575  	}
  3576  	// match: (MOVBload [off1] {sym} (ADDLconst [off2] ptr) mem)
  3577  	// cond: is32Bit(int64(off1)+int64(off2))
  3578  	// result: (MOVBload [off1+off2] {sym} ptr mem)
  3579  	for {
  3580  		off1 := auxIntToInt32(v.AuxInt)
  3581  		sym := auxToSym(v.Aux)
  3582  		if v_0.Op != Op386ADDLconst {
  3583  			break
  3584  		}
  3585  		off2 := auxIntToInt32(v_0.AuxInt)
  3586  		ptr := v_0.Args[0]
  3587  		mem := v_1
  3588  		if !(is32Bit(int64(off1) + int64(off2))) {
  3589  			break
  3590  		}
  3591  		v.reset(Op386MOVBload)
  3592  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3593  		v.Aux = symToAux(sym)
  3594  		v.AddArg2(ptr, mem)
  3595  		return true
  3596  	}
  3597  	// match: (MOVBload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  3598  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  3599  	// result: (MOVBload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  3600  	for {
  3601  		off1 := auxIntToInt32(v.AuxInt)
  3602  		sym1 := auxToSym(v.Aux)
  3603  		if v_0.Op != Op386LEAL {
  3604  			break
  3605  		}
  3606  		off2 := auxIntToInt32(v_0.AuxInt)
  3607  		sym2 := auxToSym(v_0.Aux)
  3608  		base := v_0.Args[0]
  3609  		mem := v_1
  3610  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  3611  			break
  3612  		}
  3613  		v.reset(Op386MOVBload)
  3614  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3615  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3616  		v.AddArg2(base, mem)
  3617  		return true
  3618  	}
  3619  	// match: (MOVBload [off] {sym} (SB) _)
  3620  	// cond: symIsRO(sym)
  3621  	// result: (MOVLconst [int32(read8(sym, int64(off)))])
  3622  	for {
  3623  		off := auxIntToInt32(v.AuxInt)
  3624  		sym := auxToSym(v.Aux)
  3625  		if v_0.Op != OpSB || !(symIsRO(sym)) {
  3626  			break
  3627  		}
  3628  		v.reset(Op386MOVLconst)
  3629  		v.AuxInt = int32ToAuxInt(int32(read8(sym, int64(off))))
  3630  		return true
  3631  	}
  3632  	return false
  3633  }
  3634  func rewriteValue386_Op386MOVBstore(v *Value) bool {
  3635  	v_2 := v.Args[2]
  3636  	v_1 := v.Args[1]
  3637  	v_0 := v.Args[0]
  3638  	b := v.Block
  3639  	config := b.Func.Config
  3640  	// match: (MOVBstore [off] {sym} ptr (MOVBLSX x) mem)
  3641  	// result: (MOVBstore [off] {sym} ptr x mem)
  3642  	for {
  3643  		off := auxIntToInt32(v.AuxInt)
  3644  		sym := auxToSym(v.Aux)
  3645  		ptr := v_0
  3646  		if v_1.Op != Op386MOVBLSX {
  3647  			break
  3648  		}
  3649  		x := v_1.Args[0]
  3650  		mem := v_2
  3651  		v.reset(Op386MOVBstore)
  3652  		v.AuxInt = int32ToAuxInt(off)
  3653  		v.Aux = symToAux(sym)
  3654  		v.AddArg3(ptr, x, mem)
  3655  		return true
  3656  	}
  3657  	// match: (MOVBstore [off] {sym} ptr (MOVBLZX x) mem)
  3658  	// result: (MOVBstore [off] {sym} ptr x mem)
  3659  	for {
  3660  		off := auxIntToInt32(v.AuxInt)
  3661  		sym := auxToSym(v.Aux)
  3662  		ptr := v_0
  3663  		if v_1.Op != Op386MOVBLZX {
  3664  			break
  3665  		}
  3666  		x := v_1.Args[0]
  3667  		mem := v_2
  3668  		v.reset(Op386MOVBstore)
  3669  		v.AuxInt = int32ToAuxInt(off)
  3670  		v.Aux = symToAux(sym)
  3671  		v.AddArg3(ptr, x, mem)
  3672  		return true
  3673  	}
  3674  	// match: (MOVBstore [off1] {sym} (ADDLconst [off2] ptr) val mem)
  3675  	// cond: is32Bit(int64(off1)+int64(off2))
  3676  	// result: (MOVBstore [off1+off2] {sym} ptr val mem)
  3677  	for {
  3678  		off1 := auxIntToInt32(v.AuxInt)
  3679  		sym := auxToSym(v.Aux)
  3680  		if v_0.Op != Op386ADDLconst {
  3681  			break
  3682  		}
  3683  		off2 := auxIntToInt32(v_0.AuxInt)
  3684  		ptr := v_0.Args[0]
  3685  		val := v_1
  3686  		mem := v_2
  3687  		if !(is32Bit(int64(off1) + int64(off2))) {
  3688  			break
  3689  		}
  3690  		v.reset(Op386MOVBstore)
  3691  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3692  		v.Aux = symToAux(sym)
  3693  		v.AddArg3(ptr, val, mem)
  3694  		return true
  3695  	}
  3696  	// match: (MOVBstore [off] {sym} ptr (MOVLconst [c]) mem)
  3697  	// result: (MOVBstoreconst [makeValAndOff(c,off)] {sym} ptr mem)
  3698  	for {
  3699  		off := auxIntToInt32(v.AuxInt)
  3700  		sym := auxToSym(v.Aux)
  3701  		ptr := v_0
  3702  		if v_1.Op != Op386MOVLconst {
  3703  			break
  3704  		}
  3705  		c := auxIntToInt32(v_1.AuxInt)
  3706  		mem := v_2
  3707  		v.reset(Op386MOVBstoreconst)
  3708  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  3709  		v.Aux = symToAux(sym)
  3710  		v.AddArg2(ptr, mem)
  3711  		return true
  3712  	}
  3713  	// match: (MOVBstore [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  3714  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  3715  	// result: (MOVBstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  3716  	for {
  3717  		off1 := auxIntToInt32(v.AuxInt)
  3718  		sym1 := auxToSym(v.Aux)
  3719  		if v_0.Op != Op386LEAL {
  3720  			break
  3721  		}
  3722  		off2 := auxIntToInt32(v_0.AuxInt)
  3723  		sym2 := auxToSym(v_0.Aux)
  3724  		base := v_0.Args[0]
  3725  		val := v_1
  3726  		mem := v_2
  3727  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  3728  			break
  3729  		}
  3730  		v.reset(Op386MOVBstore)
  3731  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3732  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3733  		v.AddArg3(base, val, mem)
  3734  		return true
  3735  	}
  3736  	return false
  3737  }
  3738  func rewriteValue386_Op386MOVBstoreconst(v *Value) bool {
  3739  	v_1 := v.Args[1]
  3740  	v_0 := v.Args[0]
  3741  	b := v.Block
  3742  	config := b.Func.Config
  3743  	// match: (MOVBstoreconst [sc] {s} (ADDLconst [off] ptr) mem)
  3744  	// cond: sc.canAdd32(off)
  3745  	// result: (MOVBstoreconst [sc.addOffset32(off)] {s} ptr mem)
  3746  	for {
  3747  		sc := auxIntToValAndOff(v.AuxInt)
  3748  		s := auxToSym(v.Aux)
  3749  		if v_0.Op != Op386ADDLconst {
  3750  			break
  3751  		}
  3752  		off := auxIntToInt32(v_0.AuxInt)
  3753  		ptr := v_0.Args[0]
  3754  		mem := v_1
  3755  		if !(sc.canAdd32(off)) {
  3756  			break
  3757  		}
  3758  		v.reset(Op386MOVBstoreconst)
  3759  		v.AuxInt = valAndOffToAuxInt(sc.addOffset32(off))
  3760  		v.Aux = symToAux(s)
  3761  		v.AddArg2(ptr, mem)
  3762  		return true
  3763  	}
  3764  	// match: (MOVBstoreconst [sc] {sym1} (LEAL [off] {sym2} ptr) mem)
  3765  	// cond: canMergeSym(sym1, sym2) && sc.canAdd32(off) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)
  3766  	// result: (MOVBstoreconst [sc.addOffset32(off)] {mergeSym(sym1, sym2)} ptr mem)
  3767  	for {
  3768  		sc := auxIntToValAndOff(v.AuxInt)
  3769  		sym1 := auxToSym(v.Aux)
  3770  		if v_0.Op != Op386LEAL {
  3771  			break
  3772  		}
  3773  		off := auxIntToInt32(v_0.AuxInt)
  3774  		sym2 := auxToSym(v_0.Aux)
  3775  		ptr := v_0.Args[0]
  3776  		mem := v_1
  3777  		if !(canMergeSym(sym1, sym2) && sc.canAdd32(off) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) {
  3778  			break
  3779  		}
  3780  		v.reset(Op386MOVBstoreconst)
  3781  		v.AuxInt = valAndOffToAuxInt(sc.addOffset32(off))
  3782  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3783  		v.AddArg2(ptr, mem)
  3784  		return true
  3785  	}
  3786  	return false
  3787  }
  3788  func rewriteValue386_Op386MOVLload(v *Value) bool {
  3789  	v_1 := v.Args[1]
  3790  	v_0 := v.Args[0]
  3791  	b := v.Block
  3792  	config := b.Func.Config
  3793  	// match: (MOVLload [off] {sym} ptr (MOVLstore [off2] {sym2} ptr2 x _))
  3794  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  3795  	// result: x
  3796  	for {
  3797  		off := auxIntToInt32(v.AuxInt)
  3798  		sym := auxToSym(v.Aux)
  3799  		ptr := v_0
  3800  		if v_1.Op != Op386MOVLstore {
  3801  			break
  3802  		}
  3803  		off2 := auxIntToInt32(v_1.AuxInt)
  3804  		sym2 := auxToSym(v_1.Aux)
  3805  		x := v_1.Args[1]
  3806  		ptr2 := v_1.Args[0]
  3807  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  3808  			break
  3809  		}
  3810  		v.copyOf(x)
  3811  		return true
  3812  	}
  3813  	// match: (MOVLload [off1] {sym} (ADDLconst [off2] ptr) mem)
  3814  	// cond: is32Bit(int64(off1)+int64(off2))
  3815  	// result: (MOVLload [off1+off2] {sym} ptr mem)
  3816  	for {
  3817  		off1 := auxIntToInt32(v.AuxInt)
  3818  		sym := auxToSym(v.Aux)
  3819  		if v_0.Op != Op386ADDLconst {
  3820  			break
  3821  		}
  3822  		off2 := auxIntToInt32(v_0.AuxInt)
  3823  		ptr := v_0.Args[0]
  3824  		mem := v_1
  3825  		if !(is32Bit(int64(off1) + int64(off2))) {
  3826  			break
  3827  		}
  3828  		v.reset(Op386MOVLload)
  3829  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3830  		v.Aux = symToAux(sym)
  3831  		v.AddArg2(ptr, mem)
  3832  		return true
  3833  	}
  3834  	// match: (MOVLload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  3835  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  3836  	// result: (MOVLload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  3837  	for {
  3838  		off1 := auxIntToInt32(v.AuxInt)
  3839  		sym1 := auxToSym(v.Aux)
  3840  		if v_0.Op != Op386LEAL {
  3841  			break
  3842  		}
  3843  		off2 := auxIntToInt32(v_0.AuxInt)
  3844  		sym2 := auxToSym(v_0.Aux)
  3845  		base := v_0.Args[0]
  3846  		mem := v_1
  3847  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  3848  			break
  3849  		}
  3850  		v.reset(Op386MOVLload)
  3851  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3852  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3853  		v.AddArg2(base, mem)
  3854  		return true
  3855  	}
  3856  	// match: (MOVLload [off] {sym} (SB) _)
  3857  	// cond: symIsRO(sym)
  3858  	// result: (MOVLconst [int32(read32(sym, int64(off), config.ctxt.Arch.ByteOrder))])
  3859  	for {
  3860  		off := auxIntToInt32(v.AuxInt)
  3861  		sym := auxToSym(v.Aux)
  3862  		if v_0.Op != OpSB || !(symIsRO(sym)) {
  3863  			break
  3864  		}
  3865  		v.reset(Op386MOVLconst)
  3866  		v.AuxInt = int32ToAuxInt(int32(read32(sym, int64(off), config.ctxt.Arch.ByteOrder)))
  3867  		return true
  3868  	}
  3869  	return false
  3870  }
  3871  func rewriteValue386_Op386MOVLstore(v *Value) bool {
  3872  	v_2 := v.Args[2]
  3873  	v_1 := v.Args[1]
  3874  	v_0 := v.Args[0]
  3875  	b := v.Block
  3876  	config := b.Func.Config
  3877  	// match: (MOVLstore [off1] {sym} (ADDLconst [off2] ptr) val mem)
  3878  	// cond: is32Bit(int64(off1)+int64(off2))
  3879  	// result: (MOVLstore [off1+off2] {sym} ptr val mem)
  3880  	for {
  3881  		off1 := auxIntToInt32(v.AuxInt)
  3882  		sym := auxToSym(v.Aux)
  3883  		if v_0.Op != Op386ADDLconst {
  3884  			break
  3885  		}
  3886  		off2 := auxIntToInt32(v_0.AuxInt)
  3887  		ptr := v_0.Args[0]
  3888  		val := v_1
  3889  		mem := v_2
  3890  		if !(is32Bit(int64(off1) + int64(off2))) {
  3891  			break
  3892  		}
  3893  		v.reset(Op386MOVLstore)
  3894  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3895  		v.Aux = symToAux(sym)
  3896  		v.AddArg3(ptr, val, mem)
  3897  		return true
  3898  	}
  3899  	// match: (MOVLstore [off] {sym} ptr (MOVLconst [c]) mem)
  3900  	// result: (MOVLstoreconst [makeValAndOff(c,off)] {sym} ptr mem)
  3901  	for {
  3902  		off := auxIntToInt32(v.AuxInt)
  3903  		sym := auxToSym(v.Aux)
  3904  		ptr := v_0
  3905  		if v_1.Op != Op386MOVLconst {
  3906  			break
  3907  		}
  3908  		c := auxIntToInt32(v_1.AuxInt)
  3909  		mem := v_2
  3910  		v.reset(Op386MOVLstoreconst)
  3911  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  3912  		v.Aux = symToAux(sym)
  3913  		v.AddArg2(ptr, mem)
  3914  		return true
  3915  	}
  3916  	// match: (MOVLstore [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  3917  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  3918  	// result: (MOVLstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  3919  	for {
  3920  		off1 := auxIntToInt32(v.AuxInt)
  3921  		sym1 := auxToSym(v.Aux)
  3922  		if v_0.Op != Op386LEAL {
  3923  			break
  3924  		}
  3925  		off2 := auxIntToInt32(v_0.AuxInt)
  3926  		sym2 := auxToSym(v_0.Aux)
  3927  		base := v_0.Args[0]
  3928  		val := v_1
  3929  		mem := v_2
  3930  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  3931  			break
  3932  		}
  3933  		v.reset(Op386MOVLstore)
  3934  		v.AuxInt = int32ToAuxInt(off1 + off2)
  3935  		v.Aux = symToAux(mergeSym(sym1, sym2))
  3936  		v.AddArg3(base, val, mem)
  3937  		return true
  3938  	}
  3939  	// match: (MOVLstore {sym} [off] ptr y:(ADDLload x [off] {sym} ptr mem) mem)
  3940  	// cond: y.Uses==1 && clobber(y)
  3941  	// result: (ADDLmodify [off] {sym} ptr x mem)
  3942  	for {
  3943  		off := auxIntToInt32(v.AuxInt)
  3944  		sym := auxToSym(v.Aux)
  3945  		ptr := v_0
  3946  		y := v_1
  3947  		if y.Op != Op386ADDLload || auxIntToInt32(y.AuxInt) != off || auxToSym(y.Aux) != sym {
  3948  			break
  3949  		}
  3950  		mem := y.Args[2]
  3951  		x := y.Args[0]
  3952  		if ptr != y.Args[1] || mem != v_2 || !(y.Uses == 1 && clobber(y)) {
  3953  			break
  3954  		}
  3955  		v.reset(Op386ADDLmodify)
  3956  		v.AuxInt = int32ToAuxInt(off)
  3957  		v.Aux = symToAux(sym)
  3958  		v.AddArg3(ptr, x, mem)
  3959  		return true
  3960  	}
  3961  	// match: (MOVLstore {sym} [off] ptr y:(ANDLload x [off] {sym} ptr mem) mem)
  3962  	// cond: y.Uses==1 && clobber(y)
  3963  	// result: (ANDLmodify [off] {sym} ptr x mem)
  3964  	for {
  3965  		off := auxIntToInt32(v.AuxInt)
  3966  		sym := auxToSym(v.Aux)
  3967  		ptr := v_0
  3968  		y := v_1
  3969  		if y.Op != Op386ANDLload || auxIntToInt32(y.AuxInt) != off || auxToSym(y.Aux) != sym {
  3970  			break
  3971  		}
  3972  		mem := y.Args[2]
  3973  		x := y.Args[0]
  3974  		if ptr != y.Args[1] || mem != v_2 || !(y.Uses == 1 && clobber(y)) {
  3975  			break
  3976  		}
  3977  		v.reset(Op386ANDLmodify)
  3978  		v.AuxInt = int32ToAuxInt(off)
  3979  		v.Aux = symToAux(sym)
  3980  		v.AddArg3(ptr, x, mem)
  3981  		return true
  3982  	}
  3983  	// match: (MOVLstore {sym} [off] ptr y:(ORLload x [off] {sym} ptr mem) mem)
  3984  	// cond: y.Uses==1 && clobber(y)
  3985  	// result: (ORLmodify [off] {sym} ptr x mem)
  3986  	for {
  3987  		off := auxIntToInt32(v.AuxInt)
  3988  		sym := auxToSym(v.Aux)
  3989  		ptr := v_0
  3990  		y := v_1
  3991  		if y.Op != Op386ORLload || auxIntToInt32(y.AuxInt) != off || auxToSym(y.Aux) != sym {
  3992  			break
  3993  		}
  3994  		mem := y.Args[2]
  3995  		x := y.Args[0]
  3996  		if ptr != y.Args[1] || mem != v_2 || !(y.Uses == 1 && clobber(y)) {
  3997  			break
  3998  		}
  3999  		v.reset(Op386ORLmodify)
  4000  		v.AuxInt = int32ToAuxInt(off)
  4001  		v.Aux = symToAux(sym)
  4002  		v.AddArg3(ptr, x, mem)
  4003  		return true
  4004  	}
  4005  	// match: (MOVLstore {sym} [off] ptr y:(XORLload x [off] {sym} ptr mem) mem)
  4006  	// cond: y.Uses==1 && clobber(y)
  4007  	// result: (XORLmodify [off] {sym} ptr x mem)
  4008  	for {
  4009  		off := auxIntToInt32(v.AuxInt)
  4010  		sym := auxToSym(v.Aux)
  4011  		ptr := v_0
  4012  		y := v_1
  4013  		if y.Op != Op386XORLload || auxIntToInt32(y.AuxInt) != off || auxToSym(y.Aux) != sym {
  4014  			break
  4015  		}
  4016  		mem := y.Args[2]
  4017  		x := y.Args[0]
  4018  		if ptr != y.Args[1] || mem != v_2 || !(y.Uses == 1 && clobber(y)) {
  4019  			break
  4020  		}
  4021  		v.reset(Op386XORLmodify)
  4022  		v.AuxInt = int32ToAuxInt(off)
  4023  		v.Aux = symToAux(sym)
  4024  		v.AddArg3(ptr, x, mem)
  4025  		return true
  4026  	}
  4027  	// match: (MOVLstore {sym} [off] ptr y:(ADDL l:(MOVLload [off] {sym} ptr mem) x) mem)
  4028  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4029  	// result: (ADDLmodify [off] {sym} ptr x mem)
  4030  	for {
  4031  		off := auxIntToInt32(v.AuxInt)
  4032  		sym := auxToSym(v.Aux)
  4033  		ptr := v_0
  4034  		y := v_1
  4035  		if y.Op != Op386ADDL {
  4036  			break
  4037  		}
  4038  		_ = y.Args[1]
  4039  		y_0 := y.Args[0]
  4040  		y_1 := y.Args[1]
  4041  		for _i0 := 0; _i0 <= 1; _i0, y_0, y_1 = _i0+1, y_1, y_0 {
  4042  			l := y_0
  4043  			if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4044  				continue
  4045  			}
  4046  			mem := l.Args[1]
  4047  			if ptr != l.Args[0] {
  4048  				continue
  4049  			}
  4050  			x := y_1
  4051  			if mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4052  				continue
  4053  			}
  4054  			v.reset(Op386ADDLmodify)
  4055  			v.AuxInt = int32ToAuxInt(off)
  4056  			v.Aux = symToAux(sym)
  4057  			v.AddArg3(ptr, x, mem)
  4058  			return true
  4059  		}
  4060  		break
  4061  	}
  4062  	// match: (MOVLstore {sym} [off] ptr y:(SUBL l:(MOVLload [off] {sym} ptr mem) x) mem)
  4063  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4064  	// result: (SUBLmodify [off] {sym} ptr x mem)
  4065  	for {
  4066  		off := auxIntToInt32(v.AuxInt)
  4067  		sym := auxToSym(v.Aux)
  4068  		ptr := v_0
  4069  		y := v_1
  4070  		if y.Op != Op386SUBL {
  4071  			break
  4072  		}
  4073  		x := y.Args[1]
  4074  		l := y.Args[0]
  4075  		if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4076  			break
  4077  		}
  4078  		mem := l.Args[1]
  4079  		if ptr != l.Args[0] || mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4080  			break
  4081  		}
  4082  		v.reset(Op386SUBLmodify)
  4083  		v.AuxInt = int32ToAuxInt(off)
  4084  		v.Aux = symToAux(sym)
  4085  		v.AddArg3(ptr, x, mem)
  4086  		return true
  4087  	}
  4088  	// match: (MOVLstore {sym} [off] ptr y:(ANDL l:(MOVLload [off] {sym} ptr mem) x) mem)
  4089  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4090  	// result: (ANDLmodify [off] {sym} ptr x mem)
  4091  	for {
  4092  		off := auxIntToInt32(v.AuxInt)
  4093  		sym := auxToSym(v.Aux)
  4094  		ptr := v_0
  4095  		y := v_1
  4096  		if y.Op != Op386ANDL {
  4097  			break
  4098  		}
  4099  		_ = y.Args[1]
  4100  		y_0 := y.Args[0]
  4101  		y_1 := y.Args[1]
  4102  		for _i0 := 0; _i0 <= 1; _i0, y_0, y_1 = _i0+1, y_1, y_0 {
  4103  			l := y_0
  4104  			if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4105  				continue
  4106  			}
  4107  			mem := l.Args[1]
  4108  			if ptr != l.Args[0] {
  4109  				continue
  4110  			}
  4111  			x := y_1
  4112  			if mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4113  				continue
  4114  			}
  4115  			v.reset(Op386ANDLmodify)
  4116  			v.AuxInt = int32ToAuxInt(off)
  4117  			v.Aux = symToAux(sym)
  4118  			v.AddArg3(ptr, x, mem)
  4119  			return true
  4120  		}
  4121  		break
  4122  	}
  4123  	// match: (MOVLstore {sym} [off] ptr y:(ORL l:(MOVLload [off] {sym} ptr mem) x) mem)
  4124  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4125  	// result: (ORLmodify [off] {sym} ptr x mem)
  4126  	for {
  4127  		off := auxIntToInt32(v.AuxInt)
  4128  		sym := auxToSym(v.Aux)
  4129  		ptr := v_0
  4130  		y := v_1
  4131  		if y.Op != Op386ORL {
  4132  			break
  4133  		}
  4134  		_ = y.Args[1]
  4135  		y_0 := y.Args[0]
  4136  		y_1 := y.Args[1]
  4137  		for _i0 := 0; _i0 <= 1; _i0, y_0, y_1 = _i0+1, y_1, y_0 {
  4138  			l := y_0
  4139  			if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4140  				continue
  4141  			}
  4142  			mem := l.Args[1]
  4143  			if ptr != l.Args[0] {
  4144  				continue
  4145  			}
  4146  			x := y_1
  4147  			if mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4148  				continue
  4149  			}
  4150  			v.reset(Op386ORLmodify)
  4151  			v.AuxInt = int32ToAuxInt(off)
  4152  			v.Aux = symToAux(sym)
  4153  			v.AddArg3(ptr, x, mem)
  4154  			return true
  4155  		}
  4156  		break
  4157  	}
  4158  	// match: (MOVLstore {sym} [off] ptr y:(XORL l:(MOVLload [off] {sym} ptr mem) x) mem)
  4159  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4160  	// result: (XORLmodify [off] {sym} ptr x mem)
  4161  	for {
  4162  		off := auxIntToInt32(v.AuxInt)
  4163  		sym := auxToSym(v.Aux)
  4164  		ptr := v_0
  4165  		y := v_1
  4166  		if y.Op != Op386XORL {
  4167  			break
  4168  		}
  4169  		_ = y.Args[1]
  4170  		y_0 := y.Args[0]
  4171  		y_1 := y.Args[1]
  4172  		for _i0 := 0; _i0 <= 1; _i0, y_0, y_1 = _i0+1, y_1, y_0 {
  4173  			l := y_0
  4174  			if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4175  				continue
  4176  			}
  4177  			mem := l.Args[1]
  4178  			if ptr != l.Args[0] {
  4179  				continue
  4180  			}
  4181  			x := y_1
  4182  			if mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4183  				continue
  4184  			}
  4185  			v.reset(Op386XORLmodify)
  4186  			v.AuxInt = int32ToAuxInt(off)
  4187  			v.Aux = symToAux(sym)
  4188  			v.AddArg3(ptr, x, mem)
  4189  			return true
  4190  		}
  4191  		break
  4192  	}
  4193  	// match: (MOVLstore {sym} [off] ptr y:(ADDLconst [c] l:(MOVLload [off] {sym} ptr mem)) mem)
  4194  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4195  	// result: (ADDLconstmodify [makeValAndOff(c,off)] {sym} ptr mem)
  4196  	for {
  4197  		off := auxIntToInt32(v.AuxInt)
  4198  		sym := auxToSym(v.Aux)
  4199  		ptr := v_0
  4200  		y := v_1
  4201  		if y.Op != Op386ADDLconst {
  4202  			break
  4203  		}
  4204  		c := auxIntToInt32(y.AuxInt)
  4205  		l := y.Args[0]
  4206  		if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4207  			break
  4208  		}
  4209  		mem := l.Args[1]
  4210  		if ptr != l.Args[0] || mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4211  			break
  4212  		}
  4213  		v.reset(Op386ADDLconstmodify)
  4214  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  4215  		v.Aux = symToAux(sym)
  4216  		v.AddArg2(ptr, mem)
  4217  		return true
  4218  	}
  4219  	// match: (MOVLstore {sym} [off] ptr y:(ANDLconst [c] l:(MOVLload [off] {sym} ptr mem)) mem)
  4220  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4221  	// result: (ANDLconstmodify [makeValAndOff(c,off)] {sym} ptr mem)
  4222  	for {
  4223  		off := auxIntToInt32(v.AuxInt)
  4224  		sym := auxToSym(v.Aux)
  4225  		ptr := v_0
  4226  		y := v_1
  4227  		if y.Op != Op386ANDLconst {
  4228  			break
  4229  		}
  4230  		c := auxIntToInt32(y.AuxInt)
  4231  		l := y.Args[0]
  4232  		if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4233  			break
  4234  		}
  4235  		mem := l.Args[1]
  4236  		if ptr != l.Args[0] || mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4237  			break
  4238  		}
  4239  		v.reset(Op386ANDLconstmodify)
  4240  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  4241  		v.Aux = symToAux(sym)
  4242  		v.AddArg2(ptr, mem)
  4243  		return true
  4244  	}
  4245  	// match: (MOVLstore {sym} [off] ptr y:(ORLconst [c] l:(MOVLload [off] {sym} ptr mem)) mem)
  4246  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4247  	// result: (ORLconstmodify [makeValAndOff(c,off)] {sym} ptr mem)
  4248  	for {
  4249  		off := auxIntToInt32(v.AuxInt)
  4250  		sym := auxToSym(v.Aux)
  4251  		ptr := v_0
  4252  		y := v_1
  4253  		if y.Op != Op386ORLconst {
  4254  			break
  4255  		}
  4256  		c := auxIntToInt32(y.AuxInt)
  4257  		l := y.Args[0]
  4258  		if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4259  			break
  4260  		}
  4261  		mem := l.Args[1]
  4262  		if ptr != l.Args[0] || mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4263  			break
  4264  		}
  4265  		v.reset(Op386ORLconstmodify)
  4266  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  4267  		v.Aux = symToAux(sym)
  4268  		v.AddArg2(ptr, mem)
  4269  		return true
  4270  	}
  4271  	// match: (MOVLstore {sym} [off] ptr y:(XORLconst [c] l:(MOVLload [off] {sym} ptr mem)) mem)
  4272  	// cond: y.Uses==1 && l.Uses==1 && clobber(y, l)
  4273  	// result: (XORLconstmodify [makeValAndOff(c,off)] {sym} ptr mem)
  4274  	for {
  4275  		off := auxIntToInt32(v.AuxInt)
  4276  		sym := auxToSym(v.Aux)
  4277  		ptr := v_0
  4278  		y := v_1
  4279  		if y.Op != Op386XORLconst {
  4280  			break
  4281  		}
  4282  		c := auxIntToInt32(y.AuxInt)
  4283  		l := y.Args[0]
  4284  		if l.Op != Op386MOVLload || auxIntToInt32(l.AuxInt) != off || auxToSym(l.Aux) != sym {
  4285  			break
  4286  		}
  4287  		mem := l.Args[1]
  4288  		if ptr != l.Args[0] || mem != v_2 || !(y.Uses == 1 && l.Uses == 1 && clobber(y, l)) {
  4289  			break
  4290  		}
  4291  		v.reset(Op386XORLconstmodify)
  4292  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  4293  		v.Aux = symToAux(sym)
  4294  		v.AddArg2(ptr, mem)
  4295  		return true
  4296  	}
  4297  	return false
  4298  }
  4299  func rewriteValue386_Op386MOVLstoreconst(v *Value) bool {
  4300  	v_1 := v.Args[1]
  4301  	v_0 := v.Args[0]
  4302  	b := v.Block
  4303  	config := b.Func.Config
  4304  	// match: (MOVLstoreconst [sc] {s} (ADDLconst [off] ptr) mem)
  4305  	// cond: sc.canAdd32(off)
  4306  	// result: (MOVLstoreconst [sc.addOffset32(off)] {s} ptr mem)
  4307  	for {
  4308  		sc := auxIntToValAndOff(v.AuxInt)
  4309  		s := auxToSym(v.Aux)
  4310  		if v_0.Op != Op386ADDLconst {
  4311  			break
  4312  		}
  4313  		off := auxIntToInt32(v_0.AuxInt)
  4314  		ptr := v_0.Args[0]
  4315  		mem := v_1
  4316  		if !(sc.canAdd32(off)) {
  4317  			break
  4318  		}
  4319  		v.reset(Op386MOVLstoreconst)
  4320  		v.AuxInt = valAndOffToAuxInt(sc.addOffset32(off))
  4321  		v.Aux = symToAux(s)
  4322  		v.AddArg2(ptr, mem)
  4323  		return true
  4324  	}
  4325  	// match: (MOVLstoreconst [sc] {sym1} (LEAL [off] {sym2} ptr) mem)
  4326  	// cond: canMergeSym(sym1, sym2) && sc.canAdd32(off) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)
  4327  	// result: (MOVLstoreconst [sc.addOffset32(off)] {mergeSym(sym1, sym2)} ptr mem)
  4328  	for {
  4329  		sc := auxIntToValAndOff(v.AuxInt)
  4330  		sym1 := auxToSym(v.Aux)
  4331  		if v_0.Op != Op386LEAL {
  4332  			break
  4333  		}
  4334  		off := auxIntToInt32(v_0.AuxInt)
  4335  		sym2 := auxToSym(v_0.Aux)
  4336  		ptr := v_0.Args[0]
  4337  		mem := v_1
  4338  		if !(canMergeSym(sym1, sym2) && sc.canAdd32(off) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) {
  4339  			break
  4340  		}
  4341  		v.reset(Op386MOVLstoreconst)
  4342  		v.AuxInt = valAndOffToAuxInt(sc.addOffset32(off))
  4343  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4344  		v.AddArg2(ptr, mem)
  4345  		return true
  4346  	}
  4347  	return false
  4348  }
  4349  func rewriteValue386_Op386MOVSDconst(v *Value) bool {
  4350  	b := v.Block
  4351  	config := b.Func.Config
  4352  	typ := &b.Func.Config.Types
  4353  	// match: (MOVSDconst [c])
  4354  	// cond: config.ctxt.Flag_shared
  4355  	// result: (MOVSDconst2 (MOVSDconst1 [c]))
  4356  	for {
  4357  		c := auxIntToFloat64(v.AuxInt)
  4358  		if !(config.ctxt.Flag_shared) {
  4359  			break
  4360  		}
  4361  		v.reset(Op386MOVSDconst2)
  4362  		v0 := b.NewValue0(v.Pos, Op386MOVSDconst1, typ.UInt32)
  4363  		v0.AuxInt = float64ToAuxInt(c)
  4364  		v.AddArg(v0)
  4365  		return true
  4366  	}
  4367  	return false
  4368  }
  4369  func rewriteValue386_Op386MOVSDload(v *Value) bool {
  4370  	v_1 := v.Args[1]
  4371  	v_0 := v.Args[0]
  4372  	b := v.Block
  4373  	config := b.Func.Config
  4374  	// match: (MOVSDload [off1] {sym} (ADDLconst [off2] ptr) mem)
  4375  	// cond: is32Bit(int64(off1)+int64(off2))
  4376  	// result: (MOVSDload [off1+off2] {sym} ptr mem)
  4377  	for {
  4378  		off1 := auxIntToInt32(v.AuxInt)
  4379  		sym := auxToSym(v.Aux)
  4380  		if v_0.Op != Op386ADDLconst {
  4381  			break
  4382  		}
  4383  		off2 := auxIntToInt32(v_0.AuxInt)
  4384  		ptr := v_0.Args[0]
  4385  		mem := v_1
  4386  		if !(is32Bit(int64(off1) + int64(off2))) {
  4387  			break
  4388  		}
  4389  		v.reset(Op386MOVSDload)
  4390  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4391  		v.Aux = symToAux(sym)
  4392  		v.AddArg2(ptr, mem)
  4393  		return true
  4394  	}
  4395  	// match: (MOVSDload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  4396  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4397  	// result: (MOVSDload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  4398  	for {
  4399  		off1 := auxIntToInt32(v.AuxInt)
  4400  		sym1 := auxToSym(v.Aux)
  4401  		if v_0.Op != Op386LEAL {
  4402  			break
  4403  		}
  4404  		off2 := auxIntToInt32(v_0.AuxInt)
  4405  		sym2 := auxToSym(v_0.Aux)
  4406  		base := v_0.Args[0]
  4407  		mem := v_1
  4408  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4409  			break
  4410  		}
  4411  		v.reset(Op386MOVSDload)
  4412  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4413  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4414  		v.AddArg2(base, mem)
  4415  		return true
  4416  	}
  4417  	return false
  4418  }
  4419  func rewriteValue386_Op386MOVSDstore(v *Value) bool {
  4420  	v_2 := v.Args[2]
  4421  	v_1 := v.Args[1]
  4422  	v_0 := v.Args[0]
  4423  	b := v.Block
  4424  	config := b.Func.Config
  4425  	// match: (MOVSDstore [off1] {sym} (ADDLconst [off2] ptr) val mem)
  4426  	// cond: is32Bit(int64(off1)+int64(off2))
  4427  	// result: (MOVSDstore [off1+off2] {sym} ptr val mem)
  4428  	for {
  4429  		off1 := auxIntToInt32(v.AuxInt)
  4430  		sym := auxToSym(v.Aux)
  4431  		if v_0.Op != Op386ADDLconst {
  4432  			break
  4433  		}
  4434  		off2 := auxIntToInt32(v_0.AuxInt)
  4435  		ptr := v_0.Args[0]
  4436  		val := v_1
  4437  		mem := v_2
  4438  		if !(is32Bit(int64(off1) + int64(off2))) {
  4439  			break
  4440  		}
  4441  		v.reset(Op386MOVSDstore)
  4442  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4443  		v.Aux = symToAux(sym)
  4444  		v.AddArg3(ptr, val, mem)
  4445  		return true
  4446  	}
  4447  	// match: (MOVSDstore [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  4448  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4449  	// result: (MOVSDstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  4450  	for {
  4451  		off1 := auxIntToInt32(v.AuxInt)
  4452  		sym1 := auxToSym(v.Aux)
  4453  		if v_0.Op != Op386LEAL {
  4454  			break
  4455  		}
  4456  		off2 := auxIntToInt32(v_0.AuxInt)
  4457  		sym2 := auxToSym(v_0.Aux)
  4458  		base := v_0.Args[0]
  4459  		val := v_1
  4460  		mem := v_2
  4461  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4462  			break
  4463  		}
  4464  		v.reset(Op386MOVSDstore)
  4465  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4466  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4467  		v.AddArg3(base, val, mem)
  4468  		return true
  4469  	}
  4470  	return false
  4471  }
  4472  func rewriteValue386_Op386MOVSSconst(v *Value) bool {
  4473  	b := v.Block
  4474  	config := b.Func.Config
  4475  	typ := &b.Func.Config.Types
  4476  	// match: (MOVSSconst [c])
  4477  	// cond: config.ctxt.Flag_shared
  4478  	// result: (MOVSSconst2 (MOVSSconst1 [c]))
  4479  	for {
  4480  		c := auxIntToFloat32(v.AuxInt)
  4481  		if !(config.ctxt.Flag_shared) {
  4482  			break
  4483  		}
  4484  		v.reset(Op386MOVSSconst2)
  4485  		v0 := b.NewValue0(v.Pos, Op386MOVSSconst1, typ.UInt32)
  4486  		v0.AuxInt = float32ToAuxInt(c)
  4487  		v.AddArg(v0)
  4488  		return true
  4489  	}
  4490  	return false
  4491  }
  4492  func rewriteValue386_Op386MOVSSload(v *Value) bool {
  4493  	v_1 := v.Args[1]
  4494  	v_0 := v.Args[0]
  4495  	b := v.Block
  4496  	config := b.Func.Config
  4497  	// match: (MOVSSload [off1] {sym} (ADDLconst [off2] ptr) mem)
  4498  	// cond: is32Bit(int64(off1)+int64(off2))
  4499  	// result: (MOVSSload [off1+off2] {sym} ptr mem)
  4500  	for {
  4501  		off1 := auxIntToInt32(v.AuxInt)
  4502  		sym := auxToSym(v.Aux)
  4503  		if v_0.Op != Op386ADDLconst {
  4504  			break
  4505  		}
  4506  		off2 := auxIntToInt32(v_0.AuxInt)
  4507  		ptr := v_0.Args[0]
  4508  		mem := v_1
  4509  		if !(is32Bit(int64(off1) + int64(off2))) {
  4510  			break
  4511  		}
  4512  		v.reset(Op386MOVSSload)
  4513  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4514  		v.Aux = symToAux(sym)
  4515  		v.AddArg2(ptr, mem)
  4516  		return true
  4517  	}
  4518  	// match: (MOVSSload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  4519  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4520  	// result: (MOVSSload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  4521  	for {
  4522  		off1 := auxIntToInt32(v.AuxInt)
  4523  		sym1 := auxToSym(v.Aux)
  4524  		if v_0.Op != Op386LEAL {
  4525  			break
  4526  		}
  4527  		off2 := auxIntToInt32(v_0.AuxInt)
  4528  		sym2 := auxToSym(v_0.Aux)
  4529  		base := v_0.Args[0]
  4530  		mem := v_1
  4531  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4532  			break
  4533  		}
  4534  		v.reset(Op386MOVSSload)
  4535  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4536  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4537  		v.AddArg2(base, mem)
  4538  		return true
  4539  	}
  4540  	return false
  4541  }
  4542  func rewriteValue386_Op386MOVSSstore(v *Value) bool {
  4543  	v_2 := v.Args[2]
  4544  	v_1 := v.Args[1]
  4545  	v_0 := v.Args[0]
  4546  	b := v.Block
  4547  	config := b.Func.Config
  4548  	// match: (MOVSSstore [off1] {sym} (ADDLconst [off2] ptr) val mem)
  4549  	// cond: is32Bit(int64(off1)+int64(off2))
  4550  	// result: (MOVSSstore [off1+off2] {sym} ptr val mem)
  4551  	for {
  4552  		off1 := auxIntToInt32(v.AuxInt)
  4553  		sym := auxToSym(v.Aux)
  4554  		if v_0.Op != Op386ADDLconst {
  4555  			break
  4556  		}
  4557  		off2 := auxIntToInt32(v_0.AuxInt)
  4558  		ptr := v_0.Args[0]
  4559  		val := v_1
  4560  		mem := v_2
  4561  		if !(is32Bit(int64(off1) + int64(off2))) {
  4562  			break
  4563  		}
  4564  		v.reset(Op386MOVSSstore)
  4565  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4566  		v.Aux = symToAux(sym)
  4567  		v.AddArg3(ptr, val, mem)
  4568  		return true
  4569  	}
  4570  	// match: (MOVSSstore [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  4571  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4572  	// result: (MOVSSstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  4573  	for {
  4574  		off1 := auxIntToInt32(v.AuxInt)
  4575  		sym1 := auxToSym(v.Aux)
  4576  		if v_0.Op != Op386LEAL {
  4577  			break
  4578  		}
  4579  		off2 := auxIntToInt32(v_0.AuxInt)
  4580  		sym2 := auxToSym(v_0.Aux)
  4581  		base := v_0.Args[0]
  4582  		val := v_1
  4583  		mem := v_2
  4584  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4585  			break
  4586  		}
  4587  		v.reset(Op386MOVSSstore)
  4588  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4589  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4590  		v.AddArg3(base, val, mem)
  4591  		return true
  4592  	}
  4593  	return false
  4594  }
  4595  func rewriteValue386_Op386MOVWLSX(v *Value) bool {
  4596  	v_0 := v.Args[0]
  4597  	b := v.Block
  4598  	// match: (MOVWLSX x:(MOVWload [off] {sym} ptr mem))
  4599  	// cond: x.Uses == 1 && clobber(x)
  4600  	// result: @x.Block (MOVWLSXload <v.Type> [off] {sym} ptr mem)
  4601  	for {
  4602  		x := v_0
  4603  		if x.Op != Op386MOVWload {
  4604  			break
  4605  		}
  4606  		off := auxIntToInt32(x.AuxInt)
  4607  		sym := auxToSym(x.Aux)
  4608  		mem := x.Args[1]
  4609  		ptr := x.Args[0]
  4610  		if !(x.Uses == 1 && clobber(x)) {
  4611  			break
  4612  		}
  4613  		b = x.Block
  4614  		v0 := b.NewValue0(x.Pos, Op386MOVWLSXload, v.Type)
  4615  		v.copyOf(v0)
  4616  		v0.AuxInt = int32ToAuxInt(off)
  4617  		v0.Aux = symToAux(sym)
  4618  		v0.AddArg2(ptr, mem)
  4619  		return true
  4620  	}
  4621  	// match: (MOVWLSX (ANDLconst [c] x))
  4622  	// cond: c & 0x8000 == 0
  4623  	// result: (ANDLconst [c & 0x7fff] x)
  4624  	for {
  4625  		if v_0.Op != Op386ANDLconst {
  4626  			break
  4627  		}
  4628  		c := auxIntToInt32(v_0.AuxInt)
  4629  		x := v_0.Args[0]
  4630  		if !(c&0x8000 == 0) {
  4631  			break
  4632  		}
  4633  		v.reset(Op386ANDLconst)
  4634  		v.AuxInt = int32ToAuxInt(c & 0x7fff)
  4635  		v.AddArg(x)
  4636  		return true
  4637  	}
  4638  	return false
  4639  }
  4640  func rewriteValue386_Op386MOVWLSXload(v *Value) bool {
  4641  	v_1 := v.Args[1]
  4642  	v_0 := v.Args[0]
  4643  	b := v.Block
  4644  	config := b.Func.Config
  4645  	// match: (MOVWLSXload [off] {sym} ptr (MOVWstore [off2] {sym2} ptr2 x _))
  4646  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  4647  	// result: (MOVWLSX x)
  4648  	for {
  4649  		off := auxIntToInt32(v.AuxInt)
  4650  		sym := auxToSym(v.Aux)
  4651  		ptr := v_0
  4652  		if v_1.Op != Op386MOVWstore {
  4653  			break
  4654  		}
  4655  		off2 := auxIntToInt32(v_1.AuxInt)
  4656  		sym2 := auxToSym(v_1.Aux)
  4657  		x := v_1.Args[1]
  4658  		ptr2 := v_1.Args[0]
  4659  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  4660  			break
  4661  		}
  4662  		v.reset(Op386MOVWLSX)
  4663  		v.AddArg(x)
  4664  		return true
  4665  	}
  4666  	// match: (MOVWLSXload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  4667  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4668  	// result: (MOVWLSXload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  4669  	for {
  4670  		off1 := auxIntToInt32(v.AuxInt)
  4671  		sym1 := auxToSym(v.Aux)
  4672  		if v_0.Op != Op386LEAL {
  4673  			break
  4674  		}
  4675  		off2 := auxIntToInt32(v_0.AuxInt)
  4676  		sym2 := auxToSym(v_0.Aux)
  4677  		base := v_0.Args[0]
  4678  		mem := v_1
  4679  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4680  			break
  4681  		}
  4682  		v.reset(Op386MOVWLSXload)
  4683  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4684  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4685  		v.AddArg2(base, mem)
  4686  		return true
  4687  	}
  4688  	// match: (MOVWLSXload [off] {sym} (SB) _)
  4689  	// cond: symIsRO(sym)
  4690  	// result: (MOVLconst [int32(int16(read16(sym, int64(off), config.ctxt.Arch.ByteOrder)))])
  4691  	for {
  4692  		off := auxIntToInt32(v.AuxInt)
  4693  		sym := auxToSym(v.Aux)
  4694  		if v_0.Op != OpSB || !(symIsRO(sym)) {
  4695  			break
  4696  		}
  4697  		v.reset(Op386MOVLconst)
  4698  		v.AuxInt = int32ToAuxInt(int32(int16(read16(sym, int64(off), config.ctxt.Arch.ByteOrder))))
  4699  		return true
  4700  	}
  4701  	return false
  4702  }
  4703  func rewriteValue386_Op386MOVWLZX(v *Value) bool {
  4704  	v_0 := v.Args[0]
  4705  	b := v.Block
  4706  	// match: (MOVWLZX x:(MOVWload [off] {sym} ptr mem))
  4707  	// cond: x.Uses == 1 && clobber(x)
  4708  	// result: @x.Block (MOVWload <v.Type> [off] {sym} ptr mem)
  4709  	for {
  4710  		x := v_0
  4711  		if x.Op != Op386MOVWload {
  4712  			break
  4713  		}
  4714  		off := auxIntToInt32(x.AuxInt)
  4715  		sym := auxToSym(x.Aux)
  4716  		mem := x.Args[1]
  4717  		ptr := x.Args[0]
  4718  		if !(x.Uses == 1 && clobber(x)) {
  4719  			break
  4720  		}
  4721  		b = x.Block
  4722  		v0 := b.NewValue0(x.Pos, Op386MOVWload, v.Type)
  4723  		v.copyOf(v0)
  4724  		v0.AuxInt = int32ToAuxInt(off)
  4725  		v0.Aux = symToAux(sym)
  4726  		v0.AddArg2(ptr, mem)
  4727  		return true
  4728  	}
  4729  	// match: (MOVWLZX (ANDLconst [c] x))
  4730  	// result: (ANDLconst [c & 0xffff] x)
  4731  	for {
  4732  		if v_0.Op != Op386ANDLconst {
  4733  			break
  4734  		}
  4735  		c := auxIntToInt32(v_0.AuxInt)
  4736  		x := v_0.Args[0]
  4737  		v.reset(Op386ANDLconst)
  4738  		v.AuxInt = int32ToAuxInt(c & 0xffff)
  4739  		v.AddArg(x)
  4740  		return true
  4741  	}
  4742  	return false
  4743  }
  4744  func rewriteValue386_Op386MOVWload(v *Value) bool {
  4745  	v_1 := v.Args[1]
  4746  	v_0 := v.Args[0]
  4747  	b := v.Block
  4748  	config := b.Func.Config
  4749  	// match: (MOVWload [off] {sym} ptr (MOVWstore [off2] {sym2} ptr2 x _))
  4750  	// cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)
  4751  	// result: (MOVWLZX x)
  4752  	for {
  4753  		off := auxIntToInt32(v.AuxInt)
  4754  		sym := auxToSym(v.Aux)
  4755  		ptr := v_0
  4756  		if v_1.Op != Op386MOVWstore {
  4757  			break
  4758  		}
  4759  		off2 := auxIntToInt32(v_1.AuxInt)
  4760  		sym2 := auxToSym(v_1.Aux)
  4761  		x := v_1.Args[1]
  4762  		ptr2 := v_1.Args[0]
  4763  		if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) {
  4764  			break
  4765  		}
  4766  		v.reset(Op386MOVWLZX)
  4767  		v.AddArg(x)
  4768  		return true
  4769  	}
  4770  	// match: (MOVWload [off1] {sym} (ADDLconst [off2] ptr) mem)
  4771  	// cond: is32Bit(int64(off1)+int64(off2))
  4772  	// result: (MOVWload [off1+off2] {sym} ptr mem)
  4773  	for {
  4774  		off1 := auxIntToInt32(v.AuxInt)
  4775  		sym := auxToSym(v.Aux)
  4776  		if v_0.Op != Op386ADDLconst {
  4777  			break
  4778  		}
  4779  		off2 := auxIntToInt32(v_0.AuxInt)
  4780  		ptr := v_0.Args[0]
  4781  		mem := v_1
  4782  		if !(is32Bit(int64(off1) + int64(off2))) {
  4783  			break
  4784  		}
  4785  		v.reset(Op386MOVWload)
  4786  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4787  		v.Aux = symToAux(sym)
  4788  		v.AddArg2(ptr, mem)
  4789  		return true
  4790  	}
  4791  	// match: (MOVWload [off1] {sym1} (LEAL [off2] {sym2} base) mem)
  4792  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4793  	// result: (MOVWload [off1+off2] {mergeSym(sym1,sym2)} base mem)
  4794  	for {
  4795  		off1 := auxIntToInt32(v.AuxInt)
  4796  		sym1 := auxToSym(v.Aux)
  4797  		if v_0.Op != Op386LEAL {
  4798  			break
  4799  		}
  4800  		off2 := auxIntToInt32(v_0.AuxInt)
  4801  		sym2 := auxToSym(v_0.Aux)
  4802  		base := v_0.Args[0]
  4803  		mem := v_1
  4804  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4805  			break
  4806  		}
  4807  		v.reset(Op386MOVWload)
  4808  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4809  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4810  		v.AddArg2(base, mem)
  4811  		return true
  4812  	}
  4813  	// match: (MOVWload [off] {sym} (SB) _)
  4814  	// cond: symIsRO(sym)
  4815  	// result: (MOVLconst [int32(read16(sym, int64(off), config.ctxt.Arch.ByteOrder))])
  4816  	for {
  4817  		off := auxIntToInt32(v.AuxInt)
  4818  		sym := auxToSym(v.Aux)
  4819  		if v_0.Op != OpSB || !(symIsRO(sym)) {
  4820  			break
  4821  		}
  4822  		v.reset(Op386MOVLconst)
  4823  		v.AuxInt = int32ToAuxInt(int32(read16(sym, int64(off), config.ctxt.Arch.ByteOrder)))
  4824  		return true
  4825  	}
  4826  	return false
  4827  }
  4828  func rewriteValue386_Op386MOVWstore(v *Value) bool {
  4829  	v_2 := v.Args[2]
  4830  	v_1 := v.Args[1]
  4831  	v_0 := v.Args[0]
  4832  	b := v.Block
  4833  	config := b.Func.Config
  4834  	// match: (MOVWstore [off] {sym} ptr (MOVWLSX x) mem)
  4835  	// result: (MOVWstore [off] {sym} ptr x mem)
  4836  	for {
  4837  		off := auxIntToInt32(v.AuxInt)
  4838  		sym := auxToSym(v.Aux)
  4839  		ptr := v_0
  4840  		if v_1.Op != Op386MOVWLSX {
  4841  			break
  4842  		}
  4843  		x := v_1.Args[0]
  4844  		mem := v_2
  4845  		v.reset(Op386MOVWstore)
  4846  		v.AuxInt = int32ToAuxInt(off)
  4847  		v.Aux = symToAux(sym)
  4848  		v.AddArg3(ptr, x, mem)
  4849  		return true
  4850  	}
  4851  	// match: (MOVWstore [off] {sym} ptr (MOVWLZX x) mem)
  4852  	// result: (MOVWstore [off] {sym} ptr x mem)
  4853  	for {
  4854  		off := auxIntToInt32(v.AuxInt)
  4855  		sym := auxToSym(v.Aux)
  4856  		ptr := v_0
  4857  		if v_1.Op != Op386MOVWLZX {
  4858  			break
  4859  		}
  4860  		x := v_1.Args[0]
  4861  		mem := v_2
  4862  		v.reset(Op386MOVWstore)
  4863  		v.AuxInt = int32ToAuxInt(off)
  4864  		v.Aux = symToAux(sym)
  4865  		v.AddArg3(ptr, x, mem)
  4866  		return true
  4867  	}
  4868  	// match: (MOVWstore [off1] {sym} (ADDLconst [off2] ptr) val mem)
  4869  	// cond: is32Bit(int64(off1)+int64(off2))
  4870  	// result: (MOVWstore [off1+off2] {sym} ptr val mem)
  4871  	for {
  4872  		off1 := auxIntToInt32(v.AuxInt)
  4873  		sym := auxToSym(v.Aux)
  4874  		if v_0.Op != Op386ADDLconst {
  4875  			break
  4876  		}
  4877  		off2 := auxIntToInt32(v_0.AuxInt)
  4878  		ptr := v_0.Args[0]
  4879  		val := v_1
  4880  		mem := v_2
  4881  		if !(is32Bit(int64(off1) + int64(off2))) {
  4882  			break
  4883  		}
  4884  		v.reset(Op386MOVWstore)
  4885  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4886  		v.Aux = symToAux(sym)
  4887  		v.AddArg3(ptr, val, mem)
  4888  		return true
  4889  	}
  4890  	// match: (MOVWstore [off] {sym} ptr (MOVLconst [c]) mem)
  4891  	// result: (MOVWstoreconst [makeValAndOff(c,off)] {sym} ptr mem)
  4892  	for {
  4893  		off := auxIntToInt32(v.AuxInt)
  4894  		sym := auxToSym(v.Aux)
  4895  		ptr := v_0
  4896  		if v_1.Op != Op386MOVLconst {
  4897  			break
  4898  		}
  4899  		c := auxIntToInt32(v_1.AuxInt)
  4900  		mem := v_2
  4901  		v.reset(Op386MOVWstoreconst)
  4902  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(c, off))
  4903  		v.Aux = symToAux(sym)
  4904  		v.AddArg2(ptr, mem)
  4905  		return true
  4906  	}
  4907  	// match: (MOVWstore [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  4908  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  4909  	// result: (MOVWstore [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  4910  	for {
  4911  		off1 := auxIntToInt32(v.AuxInt)
  4912  		sym1 := auxToSym(v.Aux)
  4913  		if v_0.Op != Op386LEAL {
  4914  			break
  4915  		}
  4916  		off2 := auxIntToInt32(v_0.AuxInt)
  4917  		sym2 := auxToSym(v_0.Aux)
  4918  		base := v_0.Args[0]
  4919  		val := v_1
  4920  		mem := v_2
  4921  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  4922  			break
  4923  		}
  4924  		v.reset(Op386MOVWstore)
  4925  		v.AuxInt = int32ToAuxInt(off1 + off2)
  4926  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4927  		v.AddArg3(base, val, mem)
  4928  		return true
  4929  	}
  4930  	return false
  4931  }
  4932  func rewriteValue386_Op386MOVWstoreconst(v *Value) bool {
  4933  	v_1 := v.Args[1]
  4934  	v_0 := v.Args[0]
  4935  	b := v.Block
  4936  	config := b.Func.Config
  4937  	// match: (MOVWstoreconst [sc] {s} (ADDLconst [off] ptr) mem)
  4938  	// cond: sc.canAdd32(off)
  4939  	// result: (MOVWstoreconst [sc.addOffset32(off)] {s} ptr mem)
  4940  	for {
  4941  		sc := auxIntToValAndOff(v.AuxInt)
  4942  		s := auxToSym(v.Aux)
  4943  		if v_0.Op != Op386ADDLconst {
  4944  			break
  4945  		}
  4946  		off := auxIntToInt32(v_0.AuxInt)
  4947  		ptr := v_0.Args[0]
  4948  		mem := v_1
  4949  		if !(sc.canAdd32(off)) {
  4950  			break
  4951  		}
  4952  		v.reset(Op386MOVWstoreconst)
  4953  		v.AuxInt = valAndOffToAuxInt(sc.addOffset32(off))
  4954  		v.Aux = symToAux(s)
  4955  		v.AddArg2(ptr, mem)
  4956  		return true
  4957  	}
  4958  	// match: (MOVWstoreconst [sc] {sym1} (LEAL [off] {sym2} ptr) mem)
  4959  	// cond: canMergeSym(sym1, sym2) && sc.canAdd32(off) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)
  4960  	// result: (MOVWstoreconst [sc.addOffset32(off)] {mergeSym(sym1, sym2)} ptr mem)
  4961  	for {
  4962  		sc := auxIntToValAndOff(v.AuxInt)
  4963  		sym1 := auxToSym(v.Aux)
  4964  		if v_0.Op != Op386LEAL {
  4965  			break
  4966  		}
  4967  		off := auxIntToInt32(v_0.AuxInt)
  4968  		sym2 := auxToSym(v_0.Aux)
  4969  		ptr := v_0.Args[0]
  4970  		mem := v_1
  4971  		if !(canMergeSym(sym1, sym2) && sc.canAdd32(off) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) {
  4972  			break
  4973  		}
  4974  		v.reset(Op386MOVWstoreconst)
  4975  		v.AuxInt = valAndOffToAuxInt(sc.addOffset32(off))
  4976  		v.Aux = symToAux(mergeSym(sym1, sym2))
  4977  		v.AddArg2(ptr, mem)
  4978  		return true
  4979  	}
  4980  	return false
  4981  }
  4982  func rewriteValue386_Op386MULL(v *Value) bool {
  4983  	v_1 := v.Args[1]
  4984  	v_0 := v.Args[0]
  4985  	// match: (MULL x (MOVLconst [c]))
  4986  	// result: (MULLconst [c] x)
  4987  	for {
  4988  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  4989  			x := v_0
  4990  			if v_1.Op != Op386MOVLconst {
  4991  				continue
  4992  			}
  4993  			c := auxIntToInt32(v_1.AuxInt)
  4994  			v.reset(Op386MULLconst)
  4995  			v.AuxInt = int32ToAuxInt(c)
  4996  			v.AddArg(x)
  4997  			return true
  4998  		}
  4999  		break
  5000  	}
  5001  	// match: (MULL x l:(MOVLload [off] {sym} ptr mem))
  5002  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  5003  	// result: (MULLload x [off] {sym} ptr mem)
  5004  	for {
  5005  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5006  			x := v_0
  5007  			l := v_1
  5008  			if l.Op != Op386MOVLload {
  5009  				continue
  5010  			}
  5011  			off := auxIntToInt32(l.AuxInt)
  5012  			sym := auxToSym(l.Aux)
  5013  			mem := l.Args[1]
  5014  			ptr := l.Args[0]
  5015  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  5016  				continue
  5017  			}
  5018  			v.reset(Op386MULLload)
  5019  			v.AuxInt = int32ToAuxInt(off)
  5020  			v.Aux = symToAux(sym)
  5021  			v.AddArg3(x, ptr, mem)
  5022  			return true
  5023  		}
  5024  		break
  5025  	}
  5026  	return false
  5027  }
  5028  func rewriteValue386_Op386MULLconst(v *Value) bool {
  5029  	v_0 := v.Args[0]
  5030  	b := v.Block
  5031  	// match: (MULLconst [c] (MULLconst [d] x))
  5032  	// result: (MULLconst [c * d] x)
  5033  	for {
  5034  		c := auxIntToInt32(v.AuxInt)
  5035  		if v_0.Op != Op386MULLconst {
  5036  			break
  5037  		}
  5038  		d := auxIntToInt32(v_0.AuxInt)
  5039  		x := v_0.Args[0]
  5040  		v.reset(Op386MULLconst)
  5041  		v.AuxInt = int32ToAuxInt(c * d)
  5042  		v.AddArg(x)
  5043  		return true
  5044  	}
  5045  	// match: (MULLconst [-9] x)
  5046  	// result: (NEGL (LEAL8 <v.Type> x x))
  5047  	for {
  5048  		if auxIntToInt32(v.AuxInt) != -9 {
  5049  			break
  5050  		}
  5051  		x := v_0
  5052  		v.reset(Op386NEGL)
  5053  		v0 := b.NewValue0(v.Pos, Op386LEAL8, v.Type)
  5054  		v0.AddArg2(x, x)
  5055  		v.AddArg(v0)
  5056  		return true
  5057  	}
  5058  	// match: (MULLconst [-5] x)
  5059  	// result: (NEGL (LEAL4 <v.Type> x x))
  5060  	for {
  5061  		if auxIntToInt32(v.AuxInt) != -5 {
  5062  			break
  5063  		}
  5064  		x := v_0
  5065  		v.reset(Op386NEGL)
  5066  		v0 := b.NewValue0(v.Pos, Op386LEAL4, v.Type)
  5067  		v0.AddArg2(x, x)
  5068  		v.AddArg(v0)
  5069  		return true
  5070  	}
  5071  	// match: (MULLconst [-3] x)
  5072  	// result: (NEGL (LEAL2 <v.Type> x x))
  5073  	for {
  5074  		if auxIntToInt32(v.AuxInt) != -3 {
  5075  			break
  5076  		}
  5077  		x := v_0
  5078  		v.reset(Op386NEGL)
  5079  		v0 := b.NewValue0(v.Pos, Op386LEAL2, v.Type)
  5080  		v0.AddArg2(x, x)
  5081  		v.AddArg(v0)
  5082  		return true
  5083  	}
  5084  	// match: (MULLconst [-1] x)
  5085  	// result: (NEGL x)
  5086  	for {
  5087  		if auxIntToInt32(v.AuxInt) != -1 {
  5088  			break
  5089  		}
  5090  		x := v_0
  5091  		v.reset(Op386NEGL)
  5092  		v.AddArg(x)
  5093  		return true
  5094  	}
  5095  	// match: (MULLconst [0] _)
  5096  	// result: (MOVLconst [0])
  5097  	for {
  5098  		if auxIntToInt32(v.AuxInt) != 0 {
  5099  			break
  5100  		}
  5101  		v.reset(Op386MOVLconst)
  5102  		v.AuxInt = int32ToAuxInt(0)
  5103  		return true
  5104  	}
  5105  	// match: (MULLconst [1] x)
  5106  	// result: x
  5107  	for {
  5108  		if auxIntToInt32(v.AuxInt) != 1 {
  5109  			break
  5110  		}
  5111  		x := v_0
  5112  		v.copyOf(x)
  5113  		return true
  5114  	}
  5115  	// match: (MULLconst [3] x)
  5116  	// result: (LEAL2 x x)
  5117  	for {
  5118  		if auxIntToInt32(v.AuxInt) != 3 {
  5119  			break
  5120  		}
  5121  		x := v_0
  5122  		v.reset(Op386LEAL2)
  5123  		v.AddArg2(x, x)
  5124  		return true
  5125  	}
  5126  	// match: (MULLconst [5] x)
  5127  	// result: (LEAL4 x x)
  5128  	for {
  5129  		if auxIntToInt32(v.AuxInt) != 5 {
  5130  			break
  5131  		}
  5132  		x := v_0
  5133  		v.reset(Op386LEAL4)
  5134  		v.AddArg2(x, x)
  5135  		return true
  5136  	}
  5137  	// match: (MULLconst [7] x)
  5138  	// result: (LEAL2 x (LEAL2 <v.Type> x x))
  5139  	for {
  5140  		if auxIntToInt32(v.AuxInt) != 7 {
  5141  			break
  5142  		}
  5143  		x := v_0
  5144  		v.reset(Op386LEAL2)
  5145  		v0 := b.NewValue0(v.Pos, Op386LEAL2, v.Type)
  5146  		v0.AddArg2(x, x)
  5147  		v.AddArg2(x, v0)
  5148  		return true
  5149  	}
  5150  	// match: (MULLconst [9] x)
  5151  	// result: (LEAL8 x x)
  5152  	for {
  5153  		if auxIntToInt32(v.AuxInt) != 9 {
  5154  			break
  5155  		}
  5156  		x := v_0
  5157  		v.reset(Op386LEAL8)
  5158  		v.AddArg2(x, x)
  5159  		return true
  5160  	}
  5161  	// match: (MULLconst [11] x)
  5162  	// result: (LEAL2 x (LEAL4 <v.Type> x x))
  5163  	for {
  5164  		if auxIntToInt32(v.AuxInt) != 11 {
  5165  			break
  5166  		}
  5167  		x := v_0
  5168  		v.reset(Op386LEAL2)
  5169  		v0 := b.NewValue0(v.Pos, Op386LEAL4, v.Type)
  5170  		v0.AddArg2(x, x)
  5171  		v.AddArg2(x, v0)
  5172  		return true
  5173  	}
  5174  	// match: (MULLconst [13] x)
  5175  	// result: (LEAL4 x (LEAL2 <v.Type> x x))
  5176  	for {
  5177  		if auxIntToInt32(v.AuxInt) != 13 {
  5178  			break
  5179  		}
  5180  		x := v_0
  5181  		v.reset(Op386LEAL4)
  5182  		v0 := b.NewValue0(v.Pos, Op386LEAL2, v.Type)
  5183  		v0.AddArg2(x, x)
  5184  		v.AddArg2(x, v0)
  5185  		return true
  5186  	}
  5187  	// match: (MULLconst [19] x)
  5188  	// result: (LEAL2 x (LEAL8 <v.Type> x x))
  5189  	for {
  5190  		if auxIntToInt32(v.AuxInt) != 19 {
  5191  			break
  5192  		}
  5193  		x := v_0
  5194  		v.reset(Op386LEAL2)
  5195  		v0 := b.NewValue0(v.Pos, Op386LEAL8, v.Type)
  5196  		v0.AddArg2(x, x)
  5197  		v.AddArg2(x, v0)
  5198  		return true
  5199  	}
  5200  	// match: (MULLconst [21] x)
  5201  	// result: (LEAL4 x (LEAL4 <v.Type> x x))
  5202  	for {
  5203  		if auxIntToInt32(v.AuxInt) != 21 {
  5204  			break
  5205  		}
  5206  		x := v_0
  5207  		v.reset(Op386LEAL4)
  5208  		v0 := b.NewValue0(v.Pos, Op386LEAL4, v.Type)
  5209  		v0.AddArg2(x, x)
  5210  		v.AddArg2(x, v0)
  5211  		return true
  5212  	}
  5213  	// match: (MULLconst [25] x)
  5214  	// result: (LEAL8 x (LEAL2 <v.Type> x x))
  5215  	for {
  5216  		if auxIntToInt32(v.AuxInt) != 25 {
  5217  			break
  5218  		}
  5219  		x := v_0
  5220  		v.reset(Op386LEAL8)
  5221  		v0 := b.NewValue0(v.Pos, Op386LEAL2, v.Type)
  5222  		v0.AddArg2(x, x)
  5223  		v.AddArg2(x, v0)
  5224  		return true
  5225  	}
  5226  	// match: (MULLconst [27] x)
  5227  	// result: (LEAL8 (LEAL2 <v.Type> x x) (LEAL2 <v.Type> x x))
  5228  	for {
  5229  		if auxIntToInt32(v.AuxInt) != 27 {
  5230  			break
  5231  		}
  5232  		x := v_0
  5233  		v.reset(Op386LEAL8)
  5234  		v0 := b.NewValue0(v.Pos, Op386LEAL2, v.Type)
  5235  		v0.AddArg2(x, x)
  5236  		v.AddArg2(v0, v0)
  5237  		return true
  5238  	}
  5239  	// match: (MULLconst [37] x)
  5240  	// result: (LEAL4 x (LEAL8 <v.Type> x x))
  5241  	for {
  5242  		if auxIntToInt32(v.AuxInt) != 37 {
  5243  			break
  5244  		}
  5245  		x := v_0
  5246  		v.reset(Op386LEAL4)
  5247  		v0 := b.NewValue0(v.Pos, Op386LEAL8, v.Type)
  5248  		v0.AddArg2(x, x)
  5249  		v.AddArg2(x, v0)
  5250  		return true
  5251  	}
  5252  	// match: (MULLconst [41] x)
  5253  	// result: (LEAL8 x (LEAL4 <v.Type> x x))
  5254  	for {
  5255  		if auxIntToInt32(v.AuxInt) != 41 {
  5256  			break
  5257  		}
  5258  		x := v_0
  5259  		v.reset(Op386LEAL8)
  5260  		v0 := b.NewValue0(v.Pos, Op386LEAL4, v.Type)
  5261  		v0.AddArg2(x, x)
  5262  		v.AddArg2(x, v0)
  5263  		return true
  5264  	}
  5265  	// match: (MULLconst [45] x)
  5266  	// result: (LEAL8 (LEAL4 <v.Type> x x) (LEAL4 <v.Type> x x))
  5267  	for {
  5268  		if auxIntToInt32(v.AuxInt) != 45 {
  5269  			break
  5270  		}
  5271  		x := v_0
  5272  		v.reset(Op386LEAL8)
  5273  		v0 := b.NewValue0(v.Pos, Op386LEAL4, v.Type)
  5274  		v0.AddArg2(x, x)
  5275  		v.AddArg2(v0, v0)
  5276  		return true
  5277  	}
  5278  	// match: (MULLconst [73] x)
  5279  	// result: (LEAL8 x (LEAL8 <v.Type> x x))
  5280  	for {
  5281  		if auxIntToInt32(v.AuxInt) != 73 {
  5282  			break
  5283  		}
  5284  		x := v_0
  5285  		v.reset(Op386LEAL8)
  5286  		v0 := b.NewValue0(v.Pos, Op386LEAL8, v.Type)
  5287  		v0.AddArg2(x, x)
  5288  		v.AddArg2(x, v0)
  5289  		return true
  5290  	}
  5291  	// match: (MULLconst [81] x)
  5292  	// result: (LEAL8 (LEAL8 <v.Type> x x) (LEAL8 <v.Type> x x))
  5293  	for {
  5294  		if auxIntToInt32(v.AuxInt) != 81 {
  5295  			break
  5296  		}
  5297  		x := v_0
  5298  		v.reset(Op386LEAL8)
  5299  		v0 := b.NewValue0(v.Pos, Op386LEAL8, v.Type)
  5300  		v0.AddArg2(x, x)
  5301  		v.AddArg2(v0, v0)
  5302  		return true
  5303  	}
  5304  	// match: (MULLconst [c] x)
  5305  	// cond: isPowerOfTwo(c+1) && c >= 15
  5306  	// result: (SUBL (SHLLconst <v.Type> [int32(log32(c+1))] x) x)
  5307  	for {
  5308  		c := auxIntToInt32(v.AuxInt)
  5309  		x := v_0
  5310  		if !(isPowerOfTwo(c+1) && c >= 15) {
  5311  			break
  5312  		}
  5313  		v.reset(Op386SUBL)
  5314  		v0 := b.NewValue0(v.Pos, Op386SHLLconst, v.Type)
  5315  		v0.AuxInt = int32ToAuxInt(int32(log32(c + 1)))
  5316  		v0.AddArg(x)
  5317  		v.AddArg2(v0, x)
  5318  		return true
  5319  	}
  5320  	// match: (MULLconst [c] x)
  5321  	// cond: isPowerOfTwo(c-1) && c >= 17
  5322  	// result: (LEAL1 (SHLLconst <v.Type> [int32(log32(c-1))] x) x)
  5323  	for {
  5324  		c := auxIntToInt32(v.AuxInt)
  5325  		x := v_0
  5326  		if !(isPowerOfTwo(c-1) && c >= 17) {
  5327  			break
  5328  		}
  5329  		v.reset(Op386LEAL1)
  5330  		v0 := b.NewValue0(v.Pos, Op386SHLLconst, v.Type)
  5331  		v0.AuxInt = int32ToAuxInt(int32(log32(c - 1)))
  5332  		v0.AddArg(x)
  5333  		v.AddArg2(v0, x)
  5334  		return true
  5335  	}
  5336  	// match: (MULLconst [c] x)
  5337  	// cond: isPowerOfTwo(c-2) && c >= 34
  5338  	// result: (LEAL2 (SHLLconst <v.Type> [int32(log32(c-2))] x) x)
  5339  	for {
  5340  		c := auxIntToInt32(v.AuxInt)
  5341  		x := v_0
  5342  		if !(isPowerOfTwo(c-2) && c >= 34) {
  5343  			break
  5344  		}
  5345  		v.reset(Op386LEAL2)
  5346  		v0 := b.NewValue0(v.Pos, Op386SHLLconst, v.Type)
  5347  		v0.AuxInt = int32ToAuxInt(int32(log32(c - 2)))
  5348  		v0.AddArg(x)
  5349  		v.AddArg2(v0, x)
  5350  		return true
  5351  	}
  5352  	// match: (MULLconst [c] x)
  5353  	// cond: isPowerOfTwo(c-4) && c >= 68
  5354  	// result: (LEAL4 (SHLLconst <v.Type> [int32(log32(c-4))] x) x)
  5355  	for {
  5356  		c := auxIntToInt32(v.AuxInt)
  5357  		x := v_0
  5358  		if !(isPowerOfTwo(c-4) && c >= 68) {
  5359  			break
  5360  		}
  5361  		v.reset(Op386LEAL4)
  5362  		v0 := b.NewValue0(v.Pos, Op386SHLLconst, v.Type)
  5363  		v0.AuxInt = int32ToAuxInt(int32(log32(c - 4)))
  5364  		v0.AddArg(x)
  5365  		v.AddArg2(v0, x)
  5366  		return true
  5367  	}
  5368  	// match: (MULLconst [c] x)
  5369  	// cond: isPowerOfTwo(c-8) && c >= 136
  5370  	// result: (LEAL8 (SHLLconst <v.Type> [int32(log32(c-8))] x) x)
  5371  	for {
  5372  		c := auxIntToInt32(v.AuxInt)
  5373  		x := v_0
  5374  		if !(isPowerOfTwo(c-8) && c >= 136) {
  5375  			break
  5376  		}
  5377  		v.reset(Op386LEAL8)
  5378  		v0 := b.NewValue0(v.Pos, Op386SHLLconst, v.Type)
  5379  		v0.AuxInt = int32ToAuxInt(int32(log32(c - 8)))
  5380  		v0.AddArg(x)
  5381  		v.AddArg2(v0, x)
  5382  		return true
  5383  	}
  5384  	// match: (MULLconst [c] x)
  5385  	// cond: c%3 == 0 && isPowerOfTwo(c/3)
  5386  	// result: (SHLLconst [int32(log32(c/3))] (LEAL2 <v.Type> x x))
  5387  	for {
  5388  		c := auxIntToInt32(v.AuxInt)
  5389  		x := v_0
  5390  		if !(c%3 == 0 && isPowerOfTwo(c/3)) {
  5391  			break
  5392  		}
  5393  		v.reset(Op386SHLLconst)
  5394  		v.AuxInt = int32ToAuxInt(int32(log32(c / 3)))
  5395  		v0 := b.NewValue0(v.Pos, Op386LEAL2, v.Type)
  5396  		v0.AddArg2(x, x)
  5397  		v.AddArg(v0)
  5398  		return true
  5399  	}
  5400  	// match: (MULLconst [c] x)
  5401  	// cond: c%5 == 0 && isPowerOfTwo(c/5)
  5402  	// result: (SHLLconst [int32(log32(c/5))] (LEAL4 <v.Type> x x))
  5403  	for {
  5404  		c := auxIntToInt32(v.AuxInt)
  5405  		x := v_0
  5406  		if !(c%5 == 0 && isPowerOfTwo(c/5)) {
  5407  			break
  5408  		}
  5409  		v.reset(Op386SHLLconst)
  5410  		v.AuxInt = int32ToAuxInt(int32(log32(c / 5)))
  5411  		v0 := b.NewValue0(v.Pos, Op386LEAL4, v.Type)
  5412  		v0.AddArg2(x, x)
  5413  		v.AddArg(v0)
  5414  		return true
  5415  	}
  5416  	// match: (MULLconst [c] x)
  5417  	// cond: c%9 == 0 && isPowerOfTwo(c/9)
  5418  	// result: (SHLLconst [int32(log32(c/9))] (LEAL8 <v.Type> x x))
  5419  	for {
  5420  		c := auxIntToInt32(v.AuxInt)
  5421  		x := v_0
  5422  		if !(c%9 == 0 && isPowerOfTwo(c/9)) {
  5423  			break
  5424  		}
  5425  		v.reset(Op386SHLLconst)
  5426  		v.AuxInt = int32ToAuxInt(int32(log32(c / 9)))
  5427  		v0 := b.NewValue0(v.Pos, Op386LEAL8, v.Type)
  5428  		v0.AddArg2(x, x)
  5429  		v.AddArg(v0)
  5430  		return true
  5431  	}
  5432  	// match: (MULLconst [c] (MOVLconst [d]))
  5433  	// result: (MOVLconst [c*d])
  5434  	for {
  5435  		c := auxIntToInt32(v.AuxInt)
  5436  		if v_0.Op != Op386MOVLconst {
  5437  			break
  5438  		}
  5439  		d := auxIntToInt32(v_0.AuxInt)
  5440  		v.reset(Op386MOVLconst)
  5441  		v.AuxInt = int32ToAuxInt(c * d)
  5442  		return true
  5443  	}
  5444  	return false
  5445  }
  5446  func rewriteValue386_Op386MULLload(v *Value) bool {
  5447  	v_2 := v.Args[2]
  5448  	v_1 := v.Args[1]
  5449  	v_0 := v.Args[0]
  5450  	b := v.Block
  5451  	config := b.Func.Config
  5452  	// match: (MULLload [off1] {sym} val (ADDLconst [off2] base) mem)
  5453  	// cond: is32Bit(int64(off1)+int64(off2))
  5454  	// result: (MULLload [off1+off2] {sym} val base mem)
  5455  	for {
  5456  		off1 := auxIntToInt32(v.AuxInt)
  5457  		sym := auxToSym(v.Aux)
  5458  		val := v_0
  5459  		if v_1.Op != Op386ADDLconst {
  5460  			break
  5461  		}
  5462  		off2 := auxIntToInt32(v_1.AuxInt)
  5463  		base := v_1.Args[0]
  5464  		mem := v_2
  5465  		if !(is32Bit(int64(off1) + int64(off2))) {
  5466  			break
  5467  		}
  5468  		v.reset(Op386MULLload)
  5469  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5470  		v.Aux = symToAux(sym)
  5471  		v.AddArg3(val, base, mem)
  5472  		return true
  5473  	}
  5474  	// match: (MULLload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  5475  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  5476  	// result: (MULLload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  5477  	for {
  5478  		off1 := auxIntToInt32(v.AuxInt)
  5479  		sym1 := auxToSym(v.Aux)
  5480  		val := v_0
  5481  		if v_1.Op != Op386LEAL {
  5482  			break
  5483  		}
  5484  		off2 := auxIntToInt32(v_1.AuxInt)
  5485  		sym2 := auxToSym(v_1.Aux)
  5486  		base := v_1.Args[0]
  5487  		mem := v_2
  5488  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  5489  			break
  5490  		}
  5491  		v.reset(Op386MULLload)
  5492  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5493  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5494  		v.AddArg3(val, base, mem)
  5495  		return true
  5496  	}
  5497  	return false
  5498  }
  5499  func rewriteValue386_Op386MULSD(v *Value) bool {
  5500  	v_1 := v.Args[1]
  5501  	v_0 := v.Args[0]
  5502  	// match: (MULSD x l:(MOVSDload [off] {sym} ptr mem))
  5503  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  5504  	// result: (MULSDload x [off] {sym} ptr mem)
  5505  	for {
  5506  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5507  			x := v_0
  5508  			l := v_1
  5509  			if l.Op != Op386MOVSDload {
  5510  				continue
  5511  			}
  5512  			off := auxIntToInt32(l.AuxInt)
  5513  			sym := auxToSym(l.Aux)
  5514  			mem := l.Args[1]
  5515  			ptr := l.Args[0]
  5516  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  5517  				continue
  5518  			}
  5519  			v.reset(Op386MULSDload)
  5520  			v.AuxInt = int32ToAuxInt(off)
  5521  			v.Aux = symToAux(sym)
  5522  			v.AddArg3(x, ptr, mem)
  5523  			return true
  5524  		}
  5525  		break
  5526  	}
  5527  	return false
  5528  }
  5529  func rewriteValue386_Op386MULSDload(v *Value) bool {
  5530  	v_2 := v.Args[2]
  5531  	v_1 := v.Args[1]
  5532  	v_0 := v.Args[0]
  5533  	b := v.Block
  5534  	config := b.Func.Config
  5535  	// match: (MULSDload [off1] {sym} val (ADDLconst [off2] base) mem)
  5536  	// cond: is32Bit(int64(off1)+int64(off2))
  5537  	// result: (MULSDload [off1+off2] {sym} val base mem)
  5538  	for {
  5539  		off1 := auxIntToInt32(v.AuxInt)
  5540  		sym := auxToSym(v.Aux)
  5541  		val := v_0
  5542  		if v_1.Op != Op386ADDLconst {
  5543  			break
  5544  		}
  5545  		off2 := auxIntToInt32(v_1.AuxInt)
  5546  		base := v_1.Args[0]
  5547  		mem := v_2
  5548  		if !(is32Bit(int64(off1) + int64(off2))) {
  5549  			break
  5550  		}
  5551  		v.reset(Op386MULSDload)
  5552  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5553  		v.Aux = symToAux(sym)
  5554  		v.AddArg3(val, base, mem)
  5555  		return true
  5556  	}
  5557  	// match: (MULSDload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  5558  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  5559  	// result: (MULSDload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  5560  	for {
  5561  		off1 := auxIntToInt32(v.AuxInt)
  5562  		sym1 := auxToSym(v.Aux)
  5563  		val := v_0
  5564  		if v_1.Op != Op386LEAL {
  5565  			break
  5566  		}
  5567  		off2 := auxIntToInt32(v_1.AuxInt)
  5568  		sym2 := auxToSym(v_1.Aux)
  5569  		base := v_1.Args[0]
  5570  		mem := v_2
  5571  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  5572  			break
  5573  		}
  5574  		v.reset(Op386MULSDload)
  5575  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5576  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5577  		v.AddArg3(val, base, mem)
  5578  		return true
  5579  	}
  5580  	return false
  5581  }
  5582  func rewriteValue386_Op386MULSS(v *Value) bool {
  5583  	v_1 := v.Args[1]
  5584  	v_0 := v.Args[0]
  5585  	// match: (MULSS x l:(MOVSSload [off] {sym} ptr mem))
  5586  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  5587  	// result: (MULSSload x [off] {sym} ptr mem)
  5588  	for {
  5589  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5590  			x := v_0
  5591  			l := v_1
  5592  			if l.Op != Op386MOVSSload {
  5593  				continue
  5594  			}
  5595  			off := auxIntToInt32(l.AuxInt)
  5596  			sym := auxToSym(l.Aux)
  5597  			mem := l.Args[1]
  5598  			ptr := l.Args[0]
  5599  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  5600  				continue
  5601  			}
  5602  			v.reset(Op386MULSSload)
  5603  			v.AuxInt = int32ToAuxInt(off)
  5604  			v.Aux = symToAux(sym)
  5605  			v.AddArg3(x, ptr, mem)
  5606  			return true
  5607  		}
  5608  		break
  5609  	}
  5610  	return false
  5611  }
  5612  func rewriteValue386_Op386MULSSload(v *Value) bool {
  5613  	v_2 := v.Args[2]
  5614  	v_1 := v.Args[1]
  5615  	v_0 := v.Args[0]
  5616  	b := v.Block
  5617  	config := b.Func.Config
  5618  	// match: (MULSSload [off1] {sym} val (ADDLconst [off2] base) mem)
  5619  	// cond: is32Bit(int64(off1)+int64(off2))
  5620  	// result: (MULSSload [off1+off2] {sym} val base mem)
  5621  	for {
  5622  		off1 := auxIntToInt32(v.AuxInt)
  5623  		sym := auxToSym(v.Aux)
  5624  		val := v_0
  5625  		if v_1.Op != Op386ADDLconst {
  5626  			break
  5627  		}
  5628  		off2 := auxIntToInt32(v_1.AuxInt)
  5629  		base := v_1.Args[0]
  5630  		mem := v_2
  5631  		if !(is32Bit(int64(off1) + int64(off2))) {
  5632  			break
  5633  		}
  5634  		v.reset(Op386MULSSload)
  5635  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5636  		v.Aux = symToAux(sym)
  5637  		v.AddArg3(val, base, mem)
  5638  		return true
  5639  	}
  5640  	// match: (MULSSload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  5641  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  5642  	// result: (MULSSload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  5643  	for {
  5644  		off1 := auxIntToInt32(v.AuxInt)
  5645  		sym1 := auxToSym(v.Aux)
  5646  		val := v_0
  5647  		if v_1.Op != Op386LEAL {
  5648  			break
  5649  		}
  5650  		off2 := auxIntToInt32(v_1.AuxInt)
  5651  		sym2 := auxToSym(v_1.Aux)
  5652  		base := v_1.Args[0]
  5653  		mem := v_2
  5654  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  5655  			break
  5656  		}
  5657  		v.reset(Op386MULSSload)
  5658  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5659  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5660  		v.AddArg3(val, base, mem)
  5661  		return true
  5662  	}
  5663  	return false
  5664  }
  5665  func rewriteValue386_Op386NEGL(v *Value) bool {
  5666  	v_0 := v.Args[0]
  5667  	// match: (NEGL (MOVLconst [c]))
  5668  	// result: (MOVLconst [-c])
  5669  	for {
  5670  		if v_0.Op != Op386MOVLconst {
  5671  			break
  5672  		}
  5673  		c := auxIntToInt32(v_0.AuxInt)
  5674  		v.reset(Op386MOVLconst)
  5675  		v.AuxInt = int32ToAuxInt(-c)
  5676  		return true
  5677  	}
  5678  	return false
  5679  }
  5680  func rewriteValue386_Op386NOTL(v *Value) bool {
  5681  	v_0 := v.Args[0]
  5682  	// match: (NOTL (MOVLconst [c]))
  5683  	// result: (MOVLconst [^c])
  5684  	for {
  5685  		if v_0.Op != Op386MOVLconst {
  5686  			break
  5687  		}
  5688  		c := auxIntToInt32(v_0.AuxInt)
  5689  		v.reset(Op386MOVLconst)
  5690  		v.AuxInt = int32ToAuxInt(^c)
  5691  		return true
  5692  	}
  5693  	return false
  5694  }
  5695  func rewriteValue386_Op386ORL(v *Value) bool {
  5696  	v_1 := v.Args[1]
  5697  	v_0 := v.Args[0]
  5698  	// match: (ORL x (MOVLconst [c]))
  5699  	// result: (ORLconst [c] x)
  5700  	for {
  5701  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5702  			x := v_0
  5703  			if v_1.Op != Op386MOVLconst {
  5704  				continue
  5705  			}
  5706  			c := auxIntToInt32(v_1.AuxInt)
  5707  			v.reset(Op386ORLconst)
  5708  			v.AuxInt = int32ToAuxInt(c)
  5709  			v.AddArg(x)
  5710  			return true
  5711  		}
  5712  		break
  5713  	}
  5714  	// match: (ORL x l:(MOVLload [off] {sym} ptr mem))
  5715  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  5716  	// result: (ORLload x [off] {sym} ptr mem)
  5717  	for {
  5718  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  5719  			x := v_0
  5720  			l := v_1
  5721  			if l.Op != Op386MOVLload {
  5722  				continue
  5723  			}
  5724  			off := auxIntToInt32(l.AuxInt)
  5725  			sym := auxToSym(l.Aux)
  5726  			mem := l.Args[1]
  5727  			ptr := l.Args[0]
  5728  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  5729  				continue
  5730  			}
  5731  			v.reset(Op386ORLload)
  5732  			v.AuxInt = int32ToAuxInt(off)
  5733  			v.Aux = symToAux(sym)
  5734  			v.AddArg3(x, ptr, mem)
  5735  			return true
  5736  		}
  5737  		break
  5738  	}
  5739  	// match: (ORL x x)
  5740  	// result: x
  5741  	for {
  5742  		x := v_0
  5743  		if x != v_1 {
  5744  			break
  5745  		}
  5746  		v.copyOf(x)
  5747  		return true
  5748  	}
  5749  	return false
  5750  }
  5751  func rewriteValue386_Op386ORLconst(v *Value) bool {
  5752  	v_0 := v.Args[0]
  5753  	// match: (ORLconst [c] x)
  5754  	// cond: c==0
  5755  	// result: x
  5756  	for {
  5757  		c := auxIntToInt32(v.AuxInt)
  5758  		x := v_0
  5759  		if !(c == 0) {
  5760  			break
  5761  		}
  5762  		v.copyOf(x)
  5763  		return true
  5764  	}
  5765  	// match: (ORLconst [c] _)
  5766  	// cond: c==-1
  5767  	// result: (MOVLconst [-1])
  5768  	for {
  5769  		c := auxIntToInt32(v.AuxInt)
  5770  		if !(c == -1) {
  5771  			break
  5772  		}
  5773  		v.reset(Op386MOVLconst)
  5774  		v.AuxInt = int32ToAuxInt(-1)
  5775  		return true
  5776  	}
  5777  	// match: (ORLconst [c] (MOVLconst [d]))
  5778  	// result: (MOVLconst [c|d])
  5779  	for {
  5780  		c := auxIntToInt32(v.AuxInt)
  5781  		if v_0.Op != Op386MOVLconst {
  5782  			break
  5783  		}
  5784  		d := auxIntToInt32(v_0.AuxInt)
  5785  		v.reset(Op386MOVLconst)
  5786  		v.AuxInt = int32ToAuxInt(c | d)
  5787  		return true
  5788  	}
  5789  	return false
  5790  }
  5791  func rewriteValue386_Op386ORLconstmodify(v *Value) bool {
  5792  	v_1 := v.Args[1]
  5793  	v_0 := v.Args[0]
  5794  	b := v.Block
  5795  	config := b.Func.Config
  5796  	// match: (ORLconstmodify [valoff1] {sym} (ADDLconst [off2] base) mem)
  5797  	// cond: valoff1.canAdd32(off2)
  5798  	// result: (ORLconstmodify [valoff1.addOffset32(off2)] {sym} base mem)
  5799  	for {
  5800  		valoff1 := auxIntToValAndOff(v.AuxInt)
  5801  		sym := auxToSym(v.Aux)
  5802  		if v_0.Op != Op386ADDLconst {
  5803  			break
  5804  		}
  5805  		off2 := auxIntToInt32(v_0.AuxInt)
  5806  		base := v_0.Args[0]
  5807  		mem := v_1
  5808  		if !(valoff1.canAdd32(off2)) {
  5809  			break
  5810  		}
  5811  		v.reset(Op386ORLconstmodify)
  5812  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  5813  		v.Aux = symToAux(sym)
  5814  		v.AddArg2(base, mem)
  5815  		return true
  5816  	}
  5817  	// match: (ORLconstmodify [valoff1] {sym1} (LEAL [off2] {sym2} base) mem)
  5818  	// cond: valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  5819  	// result: (ORLconstmodify [valoff1.addOffset32(off2)] {mergeSym(sym1,sym2)} base mem)
  5820  	for {
  5821  		valoff1 := auxIntToValAndOff(v.AuxInt)
  5822  		sym1 := auxToSym(v.Aux)
  5823  		if v_0.Op != Op386LEAL {
  5824  			break
  5825  		}
  5826  		off2 := auxIntToInt32(v_0.AuxInt)
  5827  		sym2 := auxToSym(v_0.Aux)
  5828  		base := v_0.Args[0]
  5829  		mem := v_1
  5830  		if !(valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  5831  			break
  5832  		}
  5833  		v.reset(Op386ORLconstmodify)
  5834  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  5835  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5836  		v.AddArg2(base, mem)
  5837  		return true
  5838  	}
  5839  	return false
  5840  }
  5841  func rewriteValue386_Op386ORLload(v *Value) bool {
  5842  	v_2 := v.Args[2]
  5843  	v_1 := v.Args[1]
  5844  	v_0 := v.Args[0]
  5845  	b := v.Block
  5846  	config := b.Func.Config
  5847  	// match: (ORLload [off1] {sym} val (ADDLconst [off2] base) mem)
  5848  	// cond: is32Bit(int64(off1)+int64(off2))
  5849  	// result: (ORLload [off1+off2] {sym} val base mem)
  5850  	for {
  5851  		off1 := auxIntToInt32(v.AuxInt)
  5852  		sym := auxToSym(v.Aux)
  5853  		val := v_0
  5854  		if v_1.Op != Op386ADDLconst {
  5855  			break
  5856  		}
  5857  		off2 := auxIntToInt32(v_1.AuxInt)
  5858  		base := v_1.Args[0]
  5859  		mem := v_2
  5860  		if !(is32Bit(int64(off1) + int64(off2))) {
  5861  			break
  5862  		}
  5863  		v.reset(Op386ORLload)
  5864  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5865  		v.Aux = symToAux(sym)
  5866  		v.AddArg3(val, base, mem)
  5867  		return true
  5868  	}
  5869  	// match: (ORLload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  5870  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  5871  	// result: (ORLload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  5872  	for {
  5873  		off1 := auxIntToInt32(v.AuxInt)
  5874  		sym1 := auxToSym(v.Aux)
  5875  		val := v_0
  5876  		if v_1.Op != Op386LEAL {
  5877  			break
  5878  		}
  5879  		off2 := auxIntToInt32(v_1.AuxInt)
  5880  		sym2 := auxToSym(v_1.Aux)
  5881  		base := v_1.Args[0]
  5882  		mem := v_2
  5883  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  5884  			break
  5885  		}
  5886  		v.reset(Op386ORLload)
  5887  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5888  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5889  		v.AddArg3(val, base, mem)
  5890  		return true
  5891  	}
  5892  	return false
  5893  }
  5894  func rewriteValue386_Op386ORLmodify(v *Value) bool {
  5895  	v_2 := v.Args[2]
  5896  	v_1 := v.Args[1]
  5897  	v_0 := v.Args[0]
  5898  	b := v.Block
  5899  	config := b.Func.Config
  5900  	// match: (ORLmodify [off1] {sym} (ADDLconst [off2] base) val mem)
  5901  	// cond: is32Bit(int64(off1)+int64(off2))
  5902  	// result: (ORLmodify [off1+off2] {sym} base val mem)
  5903  	for {
  5904  		off1 := auxIntToInt32(v.AuxInt)
  5905  		sym := auxToSym(v.Aux)
  5906  		if v_0.Op != Op386ADDLconst {
  5907  			break
  5908  		}
  5909  		off2 := auxIntToInt32(v_0.AuxInt)
  5910  		base := v_0.Args[0]
  5911  		val := v_1
  5912  		mem := v_2
  5913  		if !(is32Bit(int64(off1) + int64(off2))) {
  5914  			break
  5915  		}
  5916  		v.reset(Op386ORLmodify)
  5917  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5918  		v.Aux = symToAux(sym)
  5919  		v.AddArg3(base, val, mem)
  5920  		return true
  5921  	}
  5922  	// match: (ORLmodify [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  5923  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  5924  	// result: (ORLmodify [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  5925  	for {
  5926  		off1 := auxIntToInt32(v.AuxInt)
  5927  		sym1 := auxToSym(v.Aux)
  5928  		if v_0.Op != Op386LEAL {
  5929  			break
  5930  		}
  5931  		off2 := auxIntToInt32(v_0.AuxInt)
  5932  		sym2 := auxToSym(v_0.Aux)
  5933  		base := v_0.Args[0]
  5934  		val := v_1
  5935  		mem := v_2
  5936  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  5937  			break
  5938  		}
  5939  		v.reset(Op386ORLmodify)
  5940  		v.AuxInt = int32ToAuxInt(off1 + off2)
  5941  		v.Aux = symToAux(mergeSym(sym1, sym2))
  5942  		v.AddArg3(base, val, mem)
  5943  		return true
  5944  	}
  5945  	return false
  5946  }
  5947  func rewriteValue386_Op386ROLB(v *Value) bool {
  5948  	v_1 := v.Args[1]
  5949  	v_0 := v.Args[0]
  5950  	// match: (ROLB x (MOVLconst [c]))
  5951  	// result: (ROLBconst [int8(c&7)] x)
  5952  	for {
  5953  		x := v_0
  5954  		if v_1.Op != Op386MOVLconst {
  5955  			break
  5956  		}
  5957  		c := auxIntToInt32(v_1.AuxInt)
  5958  		v.reset(Op386ROLBconst)
  5959  		v.AuxInt = int8ToAuxInt(int8(c & 7))
  5960  		v.AddArg(x)
  5961  		return true
  5962  	}
  5963  	return false
  5964  }
  5965  func rewriteValue386_Op386ROLBconst(v *Value) bool {
  5966  	v_0 := v.Args[0]
  5967  	// match: (ROLBconst [0] x)
  5968  	// result: x
  5969  	for {
  5970  		if auxIntToInt8(v.AuxInt) != 0 {
  5971  			break
  5972  		}
  5973  		x := v_0
  5974  		v.copyOf(x)
  5975  		return true
  5976  	}
  5977  	return false
  5978  }
  5979  func rewriteValue386_Op386ROLL(v *Value) bool {
  5980  	v_1 := v.Args[1]
  5981  	v_0 := v.Args[0]
  5982  	// match: (ROLL x (MOVLconst [c]))
  5983  	// result: (ROLLconst [c&31] x)
  5984  	for {
  5985  		x := v_0
  5986  		if v_1.Op != Op386MOVLconst {
  5987  			break
  5988  		}
  5989  		c := auxIntToInt32(v_1.AuxInt)
  5990  		v.reset(Op386ROLLconst)
  5991  		v.AuxInt = int32ToAuxInt(c & 31)
  5992  		v.AddArg(x)
  5993  		return true
  5994  	}
  5995  	return false
  5996  }
  5997  func rewriteValue386_Op386ROLLconst(v *Value) bool {
  5998  	v_0 := v.Args[0]
  5999  	// match: (ROLLconst [0] x)
  6000  	// result: x
  6001  	for {
  6002  		if auxIntToInt32(v.AuxInt) != 0 {
  6003  			break
  6004  		}
  6005  		x := v_0
  6006  		v.copyOf(x)
  6007  		return true
  6008  	}
  6009  	return false
  6010  }
  6011  func rewriteValue386_Op386ROLW(v *Value) bool {
  6012  	v_1 := v.Args[1]
  6013  	v_0 := v.Args[0]
  6014  	// match: (ROLW x (MOVLconst [c]))
  6015  	// result: (ROLWconst [int16(c&15)] x)
  6016  	for {
  6017  		x := v_0
  6018  		if v_1.Op != Op386MOVLconst {
  6019  			break
  6020  		}
  6021  		c := auxIntToInt32(v_1.AuxInt)
  6022  		v.reset(Op386ROLWconst)
  6023  		v.AuxInt = int16ToAuxInt(int16(c & 15))
  6024  		v.AddArg(x)
  6025  		return true
  6026  	}
  6027  	return false
  6028  }
  6029  func rewriteValue386_Op386ROLWconst(v *Value) bool {
  6030  	v_0 := v.Args[0]
  6031  	// match: (ROLWconst [0] x)
  6032  	// result: x
  6033  	for {
  6034  		if auxIntToInt16(v.AuxInt) != 0 {
  6035  			break
  6036  		}
  6037  		x := v_0
  6038  		v.copyOf(x)
  6039  		return true
  6040  	}
  6041  	return false
  6042  }
  6043  func rewriteValue386_Op386SARB(v *Value) bool {
  6044  	v_1 := v.Args[1]
  6045  	v_0 := v.Args[0]
  6046  	// match: (SARB x (MOVLconst [c]))
  6047  	// result: (SARBconst [int8(min(int64(c&31),7))] x)
  6048  	for {
  6049  		x := v_0
  6050  		if v_1.Op != Op386MOVLconst {
  6051  			break
  6052  		}
  6053  		c := auxIntToInt32(v_1.AuxInt)
  6054  		v.reset(Op386SARBconst)
  6055  		v.AuxInt = int8ToAuxInt(int8(min(int64(c&31), 7)))
  6056  		v.AddArg(x)
  6057  		return true
  6058  	}
  6059  	return false
  6060  }
  6061  func rewriteValue386_Op386SARBconst(v *Value) bool {
  6062  	v_0 := v.Args[0]
  6063  	// match: (SARBconst x [0])
  6064  	// result: x
  6065  	for {
  6066  		if auxIntToInt8(v.AuxInt) != 0 {
  6067  			break
  6068  		}
  6069  		x := v_0
  6070  		v.copyOf(x)
  6071  		return true
  6072  	}
  6073  	// match: (SARBconst [c] (MOVLconst [d]))
  6074  	// result: (MOVLconst [d>>uint64(c)])
  6075  	for {
  6076  		c := auxIntToInt8(v.AuxInt)
  6077  		if v_0.Op != Op386MOVLconst {
  6078  			break
  6079  		}
  6080  		d := auxIntToInt32(v_0.AuxInt)
  6081  		v.reset(Op386MOVLconst)
  6082  		v.AuxInt = int32ToAuxInt(d >> uint64(c))
  6083  		return true
  6084  	}
  6085  	return false
  6086  }
  6087  func rewriteValue386_Op386SARL(v *Value) bool {
  6088  	v_1 := v.Args[1]
  6089  	v_0 := v.Args[0]
  6090  	// match: (SARL x (MOVLconst [c]))
  6091  	// result: (SARLconst [c&31] x)
  6092  	for {
  6093  		x := v_0
  6094  		if v_1.Op != Op386MOVLconst {
  6095  			break
  6096  		}
  6097  		c := auxIntToInt32(v_1.AuxInt)
  6098  		v.reset(Op386SARLconst)
  6099  		v.AuxInt = int32ToAuxInt(c & 31)
  6100  		v.AddArg(x)
  6101  		return true
  6102  	}
  6103  	// match: (SARL x (ANDLconst [31] y))
  6104  	// result: (SARL x y)
  6105  	for {
  6106  		x := v_0
  6107  		if v_1.Op != Op386ANDLconst || auxIntToInt32(v_1.AuxInt) != 31 {
  6108  			break
  6109  		}
  6110  		y := v_1.Args[0]
  6111  		v.reset(Op386SARL)
  6112  		v.AddArg2(x, y)
  6113  		return true
  6114  	}
  6115  	return false
  6116  }
  6117  func rewriteValue386_Op386SARLconst(v *Value) bool {
  6118  	v_0 := v.Args[0]
  6119  	// match: (SARLconst x [0])
  6120  	// result: x
  6121  	for {
  6122  		if auxIntToInt32(v.AuxInt) != 0 {
  6123  			break
  6124  		}
  6125  		x := v_0
  6126  		v.copyOf(x)
  6127  		return true
  6128  	}
  6129  	// match: (SARLconst [c] (MOVLconst [d]))
  6130  	// result: (MOVLconst [d>>uint64(c)])
  6131  	for {
  6132  		c := auxIntToInt32(v.AuxInt)
  6133  		if v_0.Op != Op386MOVLconst {
  6134  			break
  6135  		}
  6136  		d := auxIntToInt32(v_0.AuxInt)
  6137  		v.reset(Op386MOVLconst)
  6138  		v.AuxInt = int32ToAuxInt(d >> uint64(c))
  6139  		return true
  6140  	}
  6141  	return false
  6142  }
  6143  func rewriteValue386_Op386SARW(v *Value) bool {
  6144  	v_1 := v.Args[1]
  6145  	v_0 := v.Args[0]
  6146  	// match: (SARW x (MOVLconst [c]))
  6147  	// result: (SARWconst [int16(min(int64(c&31),15))] x)
  6148  	for {
  6149  		x := v_0
  6150  		if v_1.Op != Op386MOVLconst {
  6151  			break
  6152  		}
  6153  		c := auxIntToInt32(v_1.AuxInt)
  6154  		v.reset(Op386SARWconst)
  6155  		v.AuxInt = int16ToAuxInt(int16(min(int64(c&31), 15)))
  6156  		v.AddArg(x)
  6157  		return true
  6158  	}
  6159  	return false
  6160  }
  6161  func rewriteValue386_Op386SARWconst(v *Value) bool {
  6162  	v_0 := v.Args[0]
  6163  	// match: (SARWconst x [0])
  6164  	// result: x
  6165  	for {
  6166  		if auxIntToInt16(v.AuxInt) != 0 {
  6167  			break
  6168  		}
  6169  		x := v_0
  6170  		v.copyOf(x)
  6171  		return true
  6172  	}
  6173  	// match: (SARWconst [c] (MOVLconst [d]))
  6174  	// result: (MOVLconst [d>>uint64(c)])
  6175  	for {
  6176  		c := auxIntToInt16(v.AuxInt)
  6177  		if v_0.Op != Op386MOVLconst {
  6178  			break
  6179  		}
  6180  		d := auxIntToInt32(v_0.AuxInt)
  6181  		v.reset(Op386MOVLconst)
  6182  		v.AuxInt = int32ToAuxInt(d >> uint64(c))
  6183  		return true
  6184  	}
  6185  	return false
  6186  }
  6187  func rewriteValue386_Op386SBBL(v *Value) bool {
  6188  	v_2 := v.Args[2]
  6189  	v_1 := v.Args[1]
  6190  	v_0 := v.Args[0]
  6191  	// match: (SBBL x (MOVLconst [c]) f)
  6192  	// result: (SBBLconst [c] x f)
  6193  	for {
  6194  		x := v_0
  6195  		if v_1.Op != Op386MOVLconst {
  6196  			break
  6197  		}
  6198  		c := auxIntToInt32(v_1.AuxInt)
  6199  		f := v_2
  6200  		v.reset(Op386SBBLconst)
  6201  		v.AuxInt = int32ToAuxInt(c)
  6202  		v.AddArg2(x, f)
  6203  		return true
  6204  	}
  6205  	return false
  6206  }
  6207  func rewriteValue386_Op386SBBLcarrymask(v *Value) bool {
  6208  	v_0 := v.Args[0]
  6209  	// match: (SBBLcarrymask (FlagEQ))
  6210  	// result: (MOVLconst [0])
  6211  	for {
  6212  		if v_0.Op != Op386FlagEQ {
  6213  			break
  6214  		}
  6215  		v.reset(Op386MOVLconst)
  6216  		v.AuxInt = int32ToAuxInt(0)
  6217  		return true
  6218  	}
  6219  	// match: (SBBLcarrymask (FlagLT_ULT))
  6220  	// result: (MOVLconst [-1])
  6221  	for {
  6222  		if v_0.Op != Op386FlagLT_ULT {
  6223  			break
  6224  		}
  6225  		v.reset(Op386MOVLconst)
  6226  		v.AuxInt = int32ToAuxInt(-1)
  6227  		return true
  6228  	}
  6229  	// match: (SBBLcarrymask (FlagLT_UGT))
  6230  	// result: (MOVLconst [0])
  6231  	for {
  6232  		if v_0.Op != Op386FlagLT_UGT {
  6233  			break
  6234  		}
  6235  		v.reset(Op386MOVLconst)
  6236  		v.AuxInt = int32ToAuxInt(0)
  6237  		return true
  6238  	}
  6239  	// match: (SBBLcarrymask (FlagGT_ULT))
  6240  	// result: (MOVLconst [-1])
  6241  	for {
  6242  		if v_0.Op != Op386FlagGT_ULT {
  6243  			break
  6244  		}
  6245  		v.reset(Op386MOVLconst)
  6246  		v.AuxInt = int32ToAuxInt(-1)
  6247  		return true
  6248  	}
  6249  	// match: (SBBLcarrymask (FlagGT_UGT))
  6250  	// result: (MOVLconst [0])
  6251  	for {
  6252  		if v_0.Op != Op386FlagGT_UGT {
  6253  			break
  6254  		}
  6255  		v.reset(Op386MOVLconst)
  6256  		v.AuxInt = int32ToAuxInt(0)
  6257  		return true
  6258  	}
  6259  	return false
  6260  }
  6261  func rewriteValue386_Op386SETA(v *Value) bool {
  6262  	v_0 := v.Args[0]
  6263  	// match: (SETA (InvertFlags x))
  6264  	// result: (SETB x)
  6265  	for {
  6266  		if v_0.Op != Op386InvertFlags {
  6267  			break
  6268  		}
  6269  		x := v_0.Args[0]
  6270  		v.reset(Op386SETB)
  6271  		v.AddArg(x)
  6272  		return true
  6273  	}
  6274  	// match: (SETA (FlagEQ))
  6275  	// result: (MOVLconst [0])
  6276  	for {
  6277  		if v_0.Op != Op386FlagEQ {
  6278  			break
  6279  		}
  6280  		v.reset(Op386MOVLconst)
  6281  		v.AuxInt = int32ToAuxInt(0)
  6282  		return true
  6283  	}
  6284  	// match: (SETA (FlagLT_ULT))
  6285  	// result: (MOVLconst [0])
  6286  	for {
  6287  		if v_0.Op != Op386FlagLT_ULT {
  6288  			break
  6289  		}
  6290  		v.reset(Op386MOVLconst)
  6291  		v.AuxInt = int32ToAuxInt(0)
  6292  		return true
  6293  	}
  6294  	// match: (SETA (FlagLT_UGT))
  6295  	// result: (MOVLconst [1])
  6296  	for {
  6297  		if v_0.Op != Op386FlagLT_UGT {
  6298  			break
  6299  		}
  6300  		v.reset(Op386MOVLconst)
  6301  		v.AuxInt = int32ToAuxInt(1)
  6302  		return true
  6303  	}
  6304  	// match: (SETA (FlagGT_ULT))
  6305  	// result: (MOVLconst [0])
  6306  	for {
  6307  		if v_0.Op != Op386FlagGT_ULT {
  6308  			break
  6309  		}
  6310  		v.reset(Op386MOVLconst)
  6311  		v.AuxInt = int32ToAuxInt(0)
  6312  		return true
  6313  	}
  6314  	// match: (SETA (FlagGT_UGT))
  6315  	// result: (MOVLconst [1])
  6316  	for {
  6317  		if v_0.Op != Op386FlagGT_UGT {
  6318  			break
  6319  		}
  6320  		v.reset(Op386MOVLconst)
  6321  		v.AuxInt = int32ToAuxInt(1)
  6322  		return true
  6323  	}
  6324  	return false
  6325  }
  6326  func rewriteValue386_Op386SETAE(v *Value) bool {
  6327  	v_0 := v.Args[0]
  6328  	// match: (SETAE (InvertFlags x))
  6329  	// result: (SETBE x)
  6330  	for {
  6331  		if v_0.Op != Op386InvertFlags {
  6332  			break
  6333  		}
  6334  		x := v_0.Args[0]
  6335  		v.reset(Op386SETBE)
  6336  		v.AddArg(x)
  6337  		return true
  6338  	}
  6339  	// match: (SETAE (FlagEQ))
  6340  	// result: (MOVLconst [1])
  6341  	for {
  6342  		if v_0.Op != Op386FlagEQ {
  6343  			break
  6344  		}
  6345  		v.reset(Op386MOVLconst)
  6346  		v.AuxInt = int32ToAuxInt(1)
  6347  		return true
  6348  	}
  6349  	// match: (SETAE (FlagLT_ULT))
  6350  	// result: (MOVLconst [0])
  6351  	for {
  6352  		if v_0.Op != Op386FlagLT_ULT {
  6353  			break
  6354  		}
  6355  		v.reset(Op386MOVLconst)
  6356  		v.AuxInt = int32ToAuxInt(0)
  6357  		return true
  6358  	}
  6359  	// match: (SETAE (FlagLT_UGT))
  6360  	// result: (MOVLconst [1])
  6361  	for {
  6362  		if v_0.Op != Op386FlagLT_UGT {
  6363  			break
  6364  		}
  6365  		v.reset(Op386MOVLconst)
  6366  		v.AuxInt = int32ToAuxInt(1)
  6367  		return true
  6368  	}
  6369  	// match: (SETAE (FlagGT_ULT))
  6370  	// result: (MOVLconst [0])
  6371  	for {
  6372  		if v_0.Op != Op386FlagGT_ULT {
  6373  			break
  6374  		}
  6375  		v.reset(Op386MOVLconst)
  6376  		v.AuxInt = int32ToAuxInt(0)
  6377  		return true
  6378  	}
  6379  	// match: (SETAE (FlagGT_UGT))
  6380  	// result: (MOVLconst [1])
  6381  	for {
  6382  		if v_0.Op != Op386FlagGT_UGT {
  6383  			break
  6384  		}
  6385  		v.reset(Op386MOVLconst)
  6386  		v.AuxInt = int32ToAuxInt(1)
  6387  		return true
  6388  	}
  6389  	return false
  6390  }
  6391  func rewriteValue386_Op386SETB(v *Value) bool {
  6392  	v_0 := v.Args[0]
  6393  	// match: (SETB (InvertFlags x))
  6394  	// result: (SETA x)
  6395  	for {
  6396  		if v_0.Op != Op386InvertFlags {
  6397  			break
  6398  		}
  6399  		x := v_0.Args[0]
  6400  		v.reset(Op386SETA)
  6401  		v.AddArg(x)
  6402  		return true
  6403  	}
  6404  	// match: (SETB (FlagEQ))
  6405  	// result: (MOVLconst [0])
  6406  	for {
  6407  		if v_0.Op != Op386FlagEQ {
  6408  			break
  6409  		}
  6410  		v.reset(Op386MOVLconst)
  6411  		v.AuxInt = int32ToAuxInt(0)
  6412  		return true
  6413  	}
  6414  	// match: (SETB (FlagLT_ULT))
  6415  	// result: (MOVLconst [1])
  6416  	for {
  6417  		if v_0.Op != Op386FlagLT_ULT {
  6418  			break
  6419  		}
  6420  		v.reset(Op386MOVLconst)
  6421  		v.AuxInt = int32ToAuxInt(1)
  6422  		return true
  6423  	}
  6424  	// match: (SETB (FlagLT_UGT))
  6425  	// result: (MOVLconst [0])
  6426  	for {
  6427  		if v_0.Op != Op386FlagLT_UGT {
  6428  			break
  6429  		}
  6430  		v.reset(Op386MOVLconst)
  6431  		v.AuxInt = int32ToAuxInt(0)
  6432  		return true
  6433  	}
  6434  	// match: (SETB (FlagGT_ULT))
  6435  	// result: (MOVLconst [1])
  6436  	for {
  6437  		if v_0.Op != Op386FlagGT_ULT {
  6438  			break
  6439  		}
  6440  		v.reset(Op386MOVLconst)
  6441  		v.AuxInt = int32ToAuxInt(1)
  6442  		return true
  6443  	}
  6444  	// match: (SETB (FlagGT_UGT))
  6445  	// result: (MOVLconst [0])
  6446  	for {
  6447  		if v_0.Op != Op386FlagGT_UGT {
  6448  			break
  6449  		}
  6450  		v.reset(Op386MOVLconst)
  6451  		v.AuxInt = int32ToAuxInt(0)
  6452  		return true
  6453  	}
  6454  	return false
  6455  }
  6456  func rewriteValue386_Op386SETBE(v *Value) bool {
  6457  	v_0 := v.Args[0]
  6458  	// match: (SETBE (InvertFlags x))
  6459  	// result: (SETAE x)
  6460  	for {
  6461  		if v_0.Op != Op386InvertFlags {
  6462  			break
  6463  		}
  6464  		x := v_0.Args[0]
  6465  		v.reset(Op386SETAE)
  6466  		v.AddArg(x)
  6467  		return true
  6468  	}
  6469  	// match: (SETBE (FlagEQ))
  6470  	// result: (MOVLconst [1])
  6471  	for {
  6472  		if v_0.Op != Op386FlagEQ {
  6473  			break
  6474  		}
  6475  		v.reset(Op386MOVLconst)
  6476  		v.AuxInt = int32ToAuxInt(1)
  6477  		return true
  6478  	}
  6479  	// match: (SETBE (FlagLT_ULT))
  6480  	// result: (MOVLconst [1])
  6481  	for {
  6482  		if v_0.Op != Op386FlagLT_ULT {
  6483  			break
  6484  		}
  6485  		v.reset(Op386MOVLconst)
  6486  		v.AuxInt = int32ToAuxInt(1)
  6487  		return true
  6488  	}
  6489  	// match: (SETBE (FlagLT_UGT))
  6490  	// result: (MOVLconst [0])
  6491  	for {
  6492  		if v_0.Op != Op386FlagLT_UGT {
  6493  			break
  6494  		}
  6495  		v.reset(Op386MOVLconst)
  6496  		v.AuxInt = int32ToAuxInt(0)
  6497  		return true
  6498  	}
  6499  	// match: (SETBE (FlagGT_ULT))
  6500  	// result: (MOVLconst [1])
  6501  	for {
  6502  		if v_0.Op != Op386FlagGT_ULT {
  6503  			break
  6504  		}
  6505  		v.reset(Op386MOVLconst)
  6506  		v.AuxInt = int32ToAuxInt(1)
  6507  		return true
  6508  	}
  6509  	// match: (SETBE (FlagGT_UGT))
  6510  	// result: (MOVLconst [0])
  6511  	for {
  6512  		if v_0.Op != Op386FlagGT_UGT {
  6513  			break
  6514  		}
  6515  		v.reset(Op386MOVLconst)
  6516  		v.AuxInt = int32ToAuxInt(0)
  6517  		return true
  6518  	}
  6519  	return false
  6520  }
  6521  func rewriteValue386_Op386SETEQ(v *Value) bool {
  6522  	v_0 := v.Args[0]
  6523  	// match: (SETEQ (InvertFlags x))
  6524  	// result: (SETEQ x)
  6525  	for {
  6526  		if v_0.Op != Op386InvertFlags {
  6527  			break
  6528  		}
  6529  		x := v_0.Args[0]
  6530  		v.reset(Op386SETEQ)
  6531  		v.AddArg(x)
  6532  		return true
  6533  	}
  6534  	// match: (SETEQ (FlagEQ))
  6535  	// result: (MOVLconst [1])
  6536  	for {
  6537  		if v_0.Op != Op386FlagEQ {
  6538  			break
  6539  		}
  6540  		v.reset(Op386MOVLconst)
  6541  		v.AuxInt = int32ToAuxInt(1)
  6542  		return true
  6543  	}
  6544  	// match: (SETEQ (FlagLT_ULT))
  6545  	// result: (MOVLconst [0])
  6546  	for {
  6547  		if v_0.Op != Op386FlagLT_ULT {
  6548  			break
  6549  		}
  6550  		v.reset(Op386MOVLconst)
  6551  		v.AuxInt = int32ToAuxInt(0)
  6552  		return true
  6553  	}
  6554  	// match: (SETEQ (FlagLT_UGT))
  6555  	// result: (MOVLconst [0])
  6556  	for {
  6557  		if v_0.Op != Op386FlagLT_UGT {
  6558  			break
  6559  		}
  6560  		v.reset(Op386MOVLconst)
  6561  		v.AuxInt = int32ToAuxInt(0)
  6562  		return true
  6563  	}
  6564  	// match: (SETEQ (FlagGT_ULT))
  6565  	// result: (MOVLconst [0])
  6566  	for {
  6567  		if v_0.Op != Op386FlagGT_ULT {
  6568  			break
  6569  		}
  6570  		v.reset(Op386MOVLconst)
  6571  		v.AuxInt = int32ToAuxInt(0)
  6572  		return true
  6573  	}
  6574  	// match: (SETEQ (FlagGT_UGT))
  6575  	// result: (MOVLconst [0])
  6576  	for {
  6577  		if v_0.Op != Op386FlagGT_UGT {
  6578  			break
  6579  		}
  6580  		v.reset(Op386MOVLconst)
  6581  		v.AuxInt = int32ToAuxInt(0)
  6582  		return true
  6583  	}
  6584  	return false
  6585  }
  6586  func rewriteValue386_Op386SETG(v *Value) bool {
  6587  	v_0 := v.Args[0]
  6588  	// match: (SETG (InvertFlags x))
  6589  	// result: (SETL x)
  6590  	for {
  6591  		if v_0.Op != Op386InvertFlags {
  6592  			break
  6593  		}
  6594  		x := v_0.Args[0]
  6595  		v.reset(Op386SETL)
  6596  		v.AddArg(x)
  6597  		return true
  6598  	}
  6599  	// match: (SETG (FlagEQ))
  6600  	// result: (MOVLconst [0])
  6601  	for {
  6602  		if v_0.Op != Op386FlagEQ {
  6603  			break
  6604  		}
  6605  		v.reset(Op386MOVLconst)
  6606  		v.AuxInt = int32ToAuxInt(0)
  6607  		return true
  6608  	}
  6609  	// match: (SETG (FlagLT_ULT))
  6610  	// result: (MOVLconst [0])
  6611  	for {
  6612  		if v_0.Op != Op386FlagLT_ULT {
  6613  			break
  6614  		}
  6615  		v.reset(Op386MOVLconst)
  6616  		v.AuxInt = int32ToAuxInt(0)
  6617  		return true
  6618  	}
  6619  	// match: (SETG (FlagLT_UGT))
  6620  	// result: (MOVLconst [0])
  6621  	for {
  6622  		if v_0.Op != Op386FlagLT_UGT {
  6623  			break
  6624  		}
  6625  		v.reset(Op386MOVLconst)
  6626  		v.AuxInt = int32ToAuxInt(0)
  6627  		return true
  6628  	}
  6629  	// match: (SETG (FlagGT_ULT))
  6630  	// result: (MOVLconst [1])
  6631  	for {
  6632  		if v_0.Op != Op386FlagGT_ULT {
  6633  			break
  6634  		}
  6635  		v.reset(Op386MOVLconst)
  6636  		v.AuxInt = int32ToAuxInt(1)
  6637  		return true
  6638  	}
  6639  	// match: (SETG (FlagGT_UGT))
  6640  	// result: (MOVLconst [1])
  6641  	for {
  6642  		if v_0.Op != Op386FlagGT_UGT {
  6643  			break
  6644  		}
  6645  		v.reset(Op386MOVLconst)
  6646  		v.AuxInt = int32ToAuxInt(1)
  6647  		return true
  6648  	}
  6649  	return false
  6650  }
  6651  func rewriteValue386_Op386SETGE(v *Value) bool {
  6652  	v_0 := v.Args[0]
  6653  	// match: (SETGE (InvertFlags x))
  6654  	// result: (SETLE x)
  6655  	for {
  6656  		if v_0.Op != Op386InvertFlags {
  6657  			break
  6658  		}
  6659  		x := v_0.Args[0]
  6660  		v.reset(Op386SETLE)
  6661  		v.AddArg(x)
  6662  		return true
  6663  	}
  6664  	// match: (SETGE (FlagEQ))
  6665  	// result: (MOVLconst [1])
  6666  	for {
  6667  		if v_0.Op != Op386FlagEQ {
  6668  			break
  6669  		}
  6670  		v.reset(Op386MOVLconst)
  6671  		v.AuxInt = int32ToAuxInt(1)
  6672  		return true
  6673  	}
  6674  	// match: (SETGE (FlagLT_ULT))
  6675  	// result: (MOVLconst [0])
  6676  	for {
  6677  		if v_0.Op != Op386FlagLT_ULT {
  6678  			break
  6679  		}
  6680  		v.reset(Op386MOVLconst)
  6681  		v.AuxInt = int32ToAuxInt(0)
  6682  		return true
  6683  	}
  6684  	// match: (SETGE (FlagLT_UGT))
  6685  	// result: (MOVLconst [0])
  6686  	for {
  6687  		if v_0.Op != Op386FlagLT_UGT {
  6688  			break
  6689  		}
  6690  		v.reset(Op386MOVLconst)
  6691  		v.AuxInt = int32ToAuxInt(0)
  6692  		return true
  6693  	}
  6694  	// match: (SETGE (FlagGT_ULT))
  6695  	// result: (MOVLconst [1])
  6696  	for {
  6697  		if v_0.Op != Op386FlagGT_ULT {
  6698  			break
  6699  		}
  6700  		v.reset(Op386MOVLconst)
  6701  		v.AuxInt = int32ToAuxInt(1)
  6702  		return true
  6703  	}
  6704  	// match: (SETGE (FlagGT_UGT))
  6705  	// result: (MOVLconst [1])
  6706  	for {
  6707  		if v_0.Op != Op386FlagGT_UGT {
  6708  			break
  6709  		}
  6710  		v.reset(Op386MOVLconst)
  6711  		v.AuxInt = int32ToAuxInt(1)
  6712  		return true
  6713  	}
  6714  	return false
  6715  }
  6716  func rewriteValue386_Op386SETL(v *Value) bool {
  6717  	v_0 := v.Args[0]
  6718  	// match: (SETL (InvertFlags x))
  6719  	// result: (SETG x)
  6720  	for {
  6721  		if v_0.Op != Op386InvertFlags {
  6722  			break
  6723  		}
  6724  		x := v_0.Args[0]
  6725  		v.reset(Op386SETG)
  6726  		v.AddArg(x)
  6727  		return true
  6728  	}
  6729  	// match: (SETL (FlagEQ))
  6730  	// result: (MOVLconst [0])
  6731  	for {
  6732  		if v_0.Op != Op386FlagEQ {
  6733  			break
  6734  		}
  6735  		v.reset(Op386MOVLconst)
  6736  		v.AuxInt = int32ToAuxInt(0)
  6737  		return true
  6738  	}
  6739  	// match: (SETL (FlagLT_ULT))
  6740  	// result: (MOVLconst [1])
  6741  	for {
  6742  		if v_0.Op != Op386FlagLT_ULT {
  6743  			break
  6744  		}
  6745  		v.reset(Op386MOVLconst)
  6746  		v.AuxInt = int32ToAuxInt(1)
  6747  		return true
  6748  	}
  6749  	// match: (SETL (FlagLT_UGT))
  6750  	// result: (MOVLconst [1])
  6751  	for {
  6752  		if v_0.Op != Op386FlagLT_UGT {
  6753  			break
  6754  		}
  6755  		v.reset(Op386MOVLconst)
  6756  		v.AuxInt = int32ToAuxInt(1)
  6757  		return true
  6758  	}
  6759  	// match: (SETL (FlagGT_ULT))
  6760  	// result: (MOVLconst [0])
  6761  	for {
  6762  		if v_0.Op != Op386FlagGT_ULT {
  6763  			break
  6764  		}
  6765  		v.reset(Op386MOVLconst)
  6766  		v.AuxInt = int32ToAuxInt(0)
  6767  		return true
  6768  	}
  6769  	// match: (SETL (FlagGT_UGT))
  6770  	// result: (MOVLconst [0])
  6771  	for {
  6772  		if v_0.Op != Op386FlagGT_UGT {
  6773  			break
  6774  		}
  6775  		v.reset(Op386MOVLconst)
  6776  		v.AuxInt = int32ToAuxInt(0)
  6777  		return true
  6778  	}
  6779  	return false
  6780  }
  6781  func rewriteValue386_Op386SETLE(v *Value) bool {
  6782  	v_0 := v.Args[0]
  6783  	// match: (SETLE (InvertFlags x))
  6784  	// result: (SETGE x)
  6785  	for {
  6786  		if v_0.Op != Op386InvertFlags {
  6787  			break
  6788  		}
  6789  		x := v_0.Args[0]
  6790  		v.reset(Op386SETGE)
  6791  		v.AddArg(x)
  6792  		return true
  6793  	}
  6794  	// match: (SETLE (FlagEQ))
  6795  	// result: (MOVLconst [1])
  6796  	for {
  6797  		if v_0.Op != Op386FlagEQ {
  6798  			break
  6799  		}
  6800  		v.reset(Op386MOVLconst)
  6801  		v.AuxInt = int32ToAuxInt(1)
  6802  		return true
  6803  	}
  6804  	// match: (SETLE (FlagLT_ULT))
  6805  	// result: (MOVLconst [1])
  6806  	for {
  6807  		if v_0.Op != Op386FlagLT_ULT {
  6808  			break
  6809  		}
  6810  		v.reset(Op386MOVLconst)
  6811  		v.AuxInt = int32ToAuxInt(1)
  6812  		return true
  6813  	}
  6814  	// match: (SETLE (FlagLT_UGT))
  6815  	// result: (MOVLconst [1])
  6816  	for {
  6817  		if v_0.Op != Op386FlagLT_UGT {
  6818  			break
  6819  		}
  6820  		v.reset(Op386MOVLconst)
  6821  		v.AuxInt = int32ToAuxInt(1)
  6822  		return true
  6823  	}
  6824  	// match: (SETLE (FlagGT_ULT))
  6825  	// result: (MOVLconst [0])
  6826  	for {
  6827  		if v_0.Op != Op386FlagGT_ULT {
  6828  			break
  6829  		}
  6830  		v.reset(Op386MOVLconst)
  6831  		v.AuxInt = int32ToAuxInt(0)
  6832  		return true
  6833  	}
  6834  	// match: (SETLE (FlagGT_UGT))
  6835  	// result: (MOVLconst [0])
  6836  	for {
  6837  		if v_0.Op != Op386FlagGT_UGT {
  6838  			break
  6839  		}
  6840  		v.reset(Op386MOVLconst)
  6841  		v.AuxInt = int32ToAuxInt(0)
  6842  		return true
  6843  	}
  6844  	return false
  6845  }
  6846  func rewriteValue386_Op386SETNE(v *Value) bool {
  6847  	v_0 := v.Args[0]
  6848  	// match: (SETNE (InvertFlags x))
  6849  	// result: (SETNE x)
  6850  	for {
  6851  		if v_0.Op != Op386InvertFlags {
  6852  			break
  6853  		}
  6854  		x := v_0.Args[0]
  6855  		v.reset(Op386SETNE)
  6856  		v.AddArg(x)
  6857  		return true
  6858  	}
  6859  	// match: (SETNE (FlagEQ))
  6860  	// result: (MOVLconst [0])
  6861  	for {
  6862  		if v_0.Op != Op386FlagEQ {
  6863  			break
  6864  		}
  6865  		v.reset(Op386MOVLconst)
  6866  		v.AuxInt = int32ToAuxInt(0)
  6867  		return true
  6868  	}
  6869  	// match: (SETNE (FlagLT_ULT))
  6870  	// result: (MOVLconst [1])
  6871  	for {
  6872  		if v_0.Op != Op386FlagLT_ULT {
  6873  			break
  6874  		}
  6875  		v.reset(Op386MOVLconst)
  6876  		v.AuxInt = int32ToAuxInt(1)
  6877  		return true
  6878  	}
  6879  	// match: (SETNE (FlagLT_UGT))
  6880  	// result: (MOVLconst [1])
  6881  	for {
  6882  		if v_0.Op != Op386FlagLT_UGT {
  6883  			break
  6884  		}
  6885  		v.reset(Op386MOVLconst)
  6886  		v.AuxInt = int32ToAuxInt(1)
  6887  		return true
  6888  	}
  6889  	// match: (SETNE (FlagGT_ULT))
  6890  	// result: (MOVLconst [1])
  6891  	for {
  6892  		if v_0.Op != Op386FlagGT_ULT {
  6893  			break
  6894  		}
  6895  		v.reset(Op386MOVLconst)
  6896  		v.AuxInt = int32ToAuxInt(1)
  6897  		return true
  6898  	}
  6899  	// match: (SETNE (FlagGT_UGT))
  6900  	// result: (MOVLconst [1])
  6901  	for {
  6902  		if v_0.Op != Op386FlagGT_UGT {
  6903  			break
  6904  		}
  6905  		v.reset(Op386MOVLconst)
  6906  		v.AuxInt = int32ToAuxInt(1)
  6907  		return true
  6908  	}
  6909  	return false
  6910  }
  6911  func rewriteValue386_Op386SHLL(v *Value) bool {
  6912  	v_1 := v.Args[1]
  6913  	v_0 := v.Args[0]
  6914  	// match: (SHLL x (MOVLconst [c]))
  6915  	// result: (SHLLconst [c&31] x)
  6916  	for {
  6917  		x := v_0
  6918  		if v_1.Op != Op386MOVLconst {
  6919  			break
  6920  		}
  6921  		c := auxIntToInt32(v_1.AuxInt)
  6922  		v.reset(Op386SHLLconst)
  6923  		v.AuxInt = int32ToAuxInt(c & 31)
  6924  		v.AddArg(x)
  6925  		return true
  6926  	}
  6927  	// match: (SHLL x (ANDLconst [31] y))
  6928  	// result: (SHLL x y)
  6929  	for {
  6930  		x := v_0
  6931  		if v_1.Op != Op386ANDLconst || auxIntToInt32(v_1.AuxInt) != 31 {
  6932  			break
  6933  		}
  6934  		y := v_1.Args[0]
  6935  		v.reset(Op386SHLL)
  6936  		v.AddArg2(x, y)
  6937  		return true
  6938  	}
  6939  	return false
  6940  }
  6941  func rewriteValue386_Op386SHLLconst(v *Value) bool {
  6942  	v_0 := v.Args[0]
  6943  	// match: (SHLLconst x [0])
  6944  	// result: x
  6945  	for {
  6946  		if auxIntToInt32(v.AuxInt) != 0 {
  6947  			break
  6948  		}
  6949  		x := v_0
  6950  		v.copyOf(x)
  6951  		return true
  6952  	}
  6953  	return false
  6954  }
  6955  func rewriteValue386_Op386SHRB(v *Value) bool {
  6956  	v_1 := v.Args[1]
  6957  	v_0 := v.Args[0]
  6958  	// match: (SHRB x (MOVLconst [c]))
  6959  	// cond: c&31 < 8
  6960  	// result: (SHRBconst [int8(c&31)] x)
  6961  	for {
  6962  		x := v_0
  6963  		if v_1.Op != Op386MOVLconst {
  6964  			break
  6965  		}
  6966  		c := auxIntToInt32(v_1.AuxInt)
  6967  		if !(c&31 < 8) {
  6968  			break
  6969  		}
  6970  		v.reset(Op386SHRBconst)
  6971  		v.AuxInt = int8ToAuxInt(int8(c & 31))
  6972  		v.AddArg(x)
  6973  		return true
  6974  	}
  6975  	// match: (SHRB _ (MOVLconst [c]))
  6976  	// cond: c&31 >= 8
  6977  	// result: (MOVLconst [0])
  6978  	for {
  6979  		if v_1.Op != Op386MOVLconst {
  6980  			break
  6981  		}
  6982  		c := auxIntToInt32(v_1.AuxInt)
  6983  		if !(c&31 >= 8) {
  6984  			break
  6985  		}
  6986  		v.reset(Op386MOVLconst)
  6987  		v.AuxInt = int32ToAuxInt(0)
  6988  		return true
  6989  	}
  6990  	return false
  6991  }
  6992  func rewriteValue386_Op386SHRBconst(v *Value) bool {
  6993  	v_0 := v.Args[0]
  6994  	// match: (SHRBconst x [0])
  6995  	// result: x
  6996  	for {
  6997  		if auxIntToInt8(v.AuxInt) != 0 {
  6998  			break
  6999  		}
  7000  		x := v_0
  7001  		v.copyOf(x)
  7002  		return true
  7003  	}
  7004  	return false
  7005  }
  7006  func rewriteValue386_Op386SHRL(v *Value) bool {
  7007  	v_1 := v.Args[1]
  7008  	v_0 := v.Args[0]
  7009  	// match: (SHRL x (MOVLconst [c]))
  7010  	// result: (SHRLconst [c&31] x)
  7011  	for {
  7012  		x := v_0
  7013  		if v_1.Op != Op386MOVLconst {
  7014  			break
  7015  		}
  7016  		c := auxIntToInt32(v_1.AuxInt)
  7017  		v.reset(Op386SHRLconst)
  7018  		v.AuxInt = int32ToAuxInt(c & 31)
  7019  		v.AddArg(x)
  7020  		return true
  7021  	}
  7022  	// match: (SHRL x (ANDLconst [31] y))
  7023  	// result: (SHRL x y)
  7024  	for {
  7025  		x := v_0
  7026  		if v_1.Op != Op386ANDLconst || auxIntToInt32(v_1.AuxInt) != 31 {
  7027  			break
  7028  		}
  7029  		y := v_1.Args[0]
  7030  		v.reset(Op386SHRL)
  7031  		v.AddArg2(x, y)
  7032  		return true
  7033  	}
  7034  	return false
  7035  }
  7036  func rewriteValue386_Op386SHRLconst(v *Value) bool {
  7037  	v_0 := v.Args[0]
  7038  	// match: (SHRLconst x [0])
  7039  	// result: x
  7040  	for {
  7041  		if auxIntToInt32(v.AuxInt) != 0 {
  7042  			break
  7043  		}
  7044  		x := v_0
  7045  		v.copyOf(x)
  7046  		return true
  7047  	}
  7048  	return false
  7049  }
  7050  func rewriteValue386_Op386SHRW(v *Value) bool {
  7051  	v_1 := v.Args[1]
  7052  	v_0 := v.Args[0]
  7053  	// match: (SHRW x (MOVLconst [c]))
  7054  	// cond: c&31 < 16
  7055  	// result: (SHRWconst [int16(c&31)] x)
  7056  	for {
  7057  		x := v_0
  7058  		if v_1.Op != Op386MOVLconst {
  7059  			break
  7060  		}
  7061  		c := auxIntToInt32(v_1.AuxInt)
  7062  		if !(c&31 < 16) {
  7063  			break
  7064  		}
  7065  		v.reset(Op386SHRWconst)
  7066  		v.AuxInt = int16ToAuxInt(int16(c & 31))
  7067  		v.AddArg(x)
  7068  		return true
  7069  	}
  7070  	// match: (SHRW _ (MOVLconst [c]))
  7071  	// cond: c&31 >= 16
  7072  	// result: (MOVLconst [0])
  7073  	for {
  7074  		if v_1.Op != Op386MOVLconst {
  7075  			break
  7076  		}
  7077  		c := auxIntToInt32(v_1.AuxInt)
  7078  		if !(c&31 >= 16) {
  7079  			break
  7080  		}
  7081  		v.reset(Op386MOVLconst)
  7082  		v.AuxInt = int32ToAuxInt(0)
  7083  		return true
  7084  	}
  7085  	return false
  7086  }
  7087  func rewriteValue386_Op386SHRWconst(v *Value) bool {
  7088  	v_0 := v.Args[0]
  7089  	// match: (SHRWconst x [0])
  7090  	// result: x
  7091  	for {
  7092  		if auxIntToInt16(v.AuxInt) != 0 {
  7093  			break
  7094  		}
  7095  		x := v_0
  7096  		v.copyOf(x)
  7097  		return true
  7098  	}
  7099  	return false
  7100  }
  7101  func rewriteValue386_Op386SUBL(v *Value) bool {
  7102  	v_1 := v.Args[1]
  7103  	v_0 := v.Args[0]
  7104  	b := v.Block
  7105  	// match: (SUBL x (MOVLconst [c]))
  7106  	// result: (SUBLconst x [c])
  7107  	for {
  7108  		x := v_0
  7109  		if v_1.Op != Op386MOVLconst {
  7110  			break
  7111  		}
  7112  		c := auxIntToInt32(v_1.AuxInt)
  7113  		v.reset(Op386SUBLconst)
  7114  		v.AuxInt = int32ToAuxInt(c)
  7115  		v.AddArg(x)
  7116  		return true
  7117  	}
  7118  	// match: (SUBL (MOVLconst [c]) x)
  7119  	// result: (NEGL (SUBLconst <v.Type> x [c]))
  7120  	for {
  7121  		if v_0.Op != Op386MOVLconst {
  7122  			break
  7123  		}
  7124  		c := auxIntToInt32(v_0.AuxInt)
  7125  		x := v_1
  7126  		v.reset(Op386NEGL)
  7127  		v0 := b.NewValue0(v.Pos, Op386SUBLconst, v.Type)
  7128  		v0.AuxInt = int32ToAuxInt(c)
  7129  		v0.AddArg(x)
  7130  		v.AddArg(v0)
  7131  		return true
  7132  	}
  7133  	// match: (SUBL x l:(MOVLload [off] {sym} ptr mem))
  7134  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  7135  	// result: (SUBLload x [off] {sym} ptr mem)
  7136  	for {
  7137  		x := v_0
  7138  		l := v_1
  7139  		if l.Op != Op386MOVLload {
  7140  			break
  7141  		}
  7142  		off := auxIntToInt32(l.AuxInt)
  7143  		sym := auxToSym(l.Aux)
  7144  		mem := l.Args[1]
  7145  		ptr := l.Args[0]
  7146  		if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  7147  			break
  7148  		}
  7149  		v.reset(Op386SUBLload)
  7150  		v.AuxInt = int32ToAuxInt(off)
  7151  		v.Aux = symToAux(sym)
  7152  		v.AddArg3(x, ptr, mem)
  7153  		return true
  7154  	}
  7155  	// match: (SUBL x x)
  7156  	// result: (MOVLconst [0])
  7157  	for {
  7158  		x := v_0
  7159  		if x != v_1 {
  7160  			break
  7161  		}
  7162  		v.reset(Op386MOVLconst)
  7163  		v.AuxInt = int32ToAuxInt(0)
  7164  		return true
  7165  	}
  7166  	return false
  7167  }
  7168  func rewriteValue386_Op386SUBLcarry(v *Value) bool {
  7169  	v_1 := v.Args[1]
  7170  	v_0 := v.Args[0]
  7171  	// match: (SUBLcarry x (MOVLconst [c]))
  7172  	// result: (SUBLconstcarry [c] x)
  7173  	for {
  7174  		x := v_0
  7175  		if v_1.Op != Op386MOVLconst {
  7176  			break
  7177  		}
  7178  		c := auxIntToInt32(v_1.AuxInt)
  7179  		v.reset(Op386SUBLconstcarry)
  7180  		v.AuxInt = int32ToAuxInt(c)
  7181  		v.AddArg(x)
  7182  		return true
  7183  	}
  7184  	return false
  7185  }
  7186  func rewriteValue386_Op386SUBLconst(v *Value) bool {
  7187  	v_0 := v.Args[0]
  7188  	// match: (SUBLconst [c] x)
  7189  	// cond: c==0
  7190  	// result: x
  7191  	for {
  7192  		c := auxIntToInt32(v.AuxInt)
  7193  		x := v_0
  7194  		if !(c == 0) {
  7195  			break
  7196  		}
  7197  		v.copyOf(x)
  7198  		return true
  7199  	}
  7200  	// match: (SUBLconst [c] x)
  7201  	// result: (ADDLconst [-c] x)
  7202  	for {
  7203  		c := auxIntToInt32(v.AuxInt)
  7204  		x := v_0
  7205  		v.reset(Op386ADDLconst)
  7206  		v.AuxInt = int32ToAuxInt(-c)
  7207  		v.AddArg(x)
  7208  		return true
  7209  	}
  7210  }
  7211  func rewriteValue386_Op386SUBLload(v *Value) bool {
  7212  	v_2 := v.Args[2]
  7213  	v_1 := v.Args[1]
  7214  	v_0 := v.Args[0]
  7215  	b := v.Block
  7216  	config := b.Func.Config
  7217  	// match: (SUBLload [off1] {sym} val (ADDLconst [off2] base) mem)
  7218  	// cond: is32Bit(int64(off1)+int64(off2))
  7219  	// result: (SUBLload [off1+off2] {sym} val base mem)
  7220  	for {
  7221  		off1 := auxIntToInt32(v.AuxInt)
  7222  		sym := auxToSym(v.Aux)
  7223  		val := v_0
  7224  		if v_1.Op != Op386ADDLconst {
  7225  			break
  7226  		}
  7227  		off2 := auxIntToInt32(v_1.AuxInt)
  7228  		base := v_1.Args[0]
  7229  		mem := v_2
  7230  		if !(is32Bit(int64(off1) + int64(off2))) {
  7231  			break
  7232  		}
  7233  		v.reset(Op386SUBLload)
  7234  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7235  		v.Aux = symToAux(sym)
  7236  		v.AddArg3(val, base, mem)
  7237  		return true
  7238  	}
  7239  	// match: (SUBLload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  7240  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  7241  	// result: (SUBLload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  7242  	for {
  7243  		off1 := auxIntToInt32(v.AuxInt)
  7244  		sym1 := auxToSym(v.Aux)
  7245  		val := v_0
  7246  		if v_1.Op != Op386LEAL {
  7247  			break
  7248  		}
  7249  		off2 := auxIntToInt32(v_1.AuxInt)
  7250  		sym2 := auxToSym(v_1.Aux)
  7251  		base := v_1.Args[0]
  7252  		mem := v_2
  7253  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  7254  			break
  7255  		}
  7256  		v.reset(Op386SUBLload)
  7257  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7258  		v.Aux = symToAux(mergeSym(sym1, sym2))
  7259  		v.AddArg3(val, base, mem)
  7260  		return true
  7261  	}
  7262  	return false
  7263  }
  7264  func rewriteValue386_Op386SUBLmodify(v *Value) bool {
  7265  	v_2 := v.Args[2]
  7266  	v_1 := v.Args[1]
  7267  	v_0 := v.Args[0]
  7268  	b := v.Block
  7269  	config := b.Func.Config
  7270  	// match: (SUBLmodify [off1] {sym} (ADDLconst [off2] base) val mem)
  7271  	// cond: is32Bit(int64(off1)+int64(off2))
  7272  	// result: (SUBLmodify [off1+off2] {sym} base val mem)
  7273  	for {
  7274  		off1 := auxIntToInt32(v.AuxInt)
  7275  		sym := auxToSym(v.Aux)
  7276  		if v_0.Op != Op386ADDLconst {
  7277  			break
  7278  		}
  7279  		off2 := auxIntToInt32(v_0.AuxInt)
  7280  		base := v_0.Args[0]
  7281  		val := v_1
  7282  		mem := v_2
  7283  		if !(is32Bit(int64(off1) + int64(off2))) {
  7284  			break
  7285  		}
  7286  		v.reset(Op386SUBLmodify)
  7287  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7288  		v.Aux = symToAux(sym)
  7289  		v.AddArg3(base, val, mem)
  7290  		return true
  7291  	}
  7292  	// match: (SUBLmodify [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  7293  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  7294  	// result: (SUBLmodify [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  7295  	for {
  7296  		off1 := auxIntToInt32(v.AuxInt)
  7297  		sym1 := auxToSym(v.Aux)
  7298  		if v_0.Op != Op386LEAL {
  7299  			break
  7300  		}
  7301  		off2 := auxIntToInt32(v_0.AuxInt)
  7302  		sym2 := auxToSym(v_0.Aux)
  7303  		base := v_0.Args[0]
  7304  		val := v_1
  7305  		mem := v_2
  7306  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  7307  			break
  7308  		}
  7309  		v.reset(Op386SUBLmodify)
  7310  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7311  		v.Aux = symToAux(mergeSym(sym1, sym2))
  7312  		v.AddArg3(base, val, mem)
  7313  		return true
  7314  	}
  7315  	return false
  7316  }
  7317  func rewriteValue386_Op386SUBSD(v *Value) bool {
  7318  	v_1 := v.Args[1]
  7319  	v_0 := v.Args[0]
  7320  	// match: (SUBSD x l:(MOVSDload [off] {sym} ptr mem))
  7321  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  7322  	// result: (SUBSDload x [off] {sym} ptr mem)
  7323  	for {
  7324  		x := v_0
  7325  		l := v_1
  7326  		if l.Op != Op386MOVSDload {
  7327  			break
  7328  		}
  7329  		off := auxIntToInt32(l.AuxInt)
  7330  		sym := auxToSym(l.Aux)
  7331  		mem := l.Args[1]
  7332  		ptr := l.Args[0]
  7333  		if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  7334  			break
  7335  		}
  7336  		v.reset(Op386SUBSDload)
  7337  		v.AuxInt = int32ToAuxInt(off)
  7338  		v.Aux = symToAux(sym)
  7339  		v.AddArg3(x, ptr, mem)
  7340  		return true
  7341  	}
  7342  	return false
  7343  }
  7344  func rewriteValue386_Op386SUBSDload(v *Value) bool {
  7345  	v_2 := v.Args[2]
  7346  	v_1 := v.Args[1]
  7347  	v_0 := v.Args[0]
  7348  	b := v.Block
  7349  	config := b.Func.Config
  7350  	// match: (SUBSDload [off1] {sym} val (ADDLconst [off2] base) mem)
  7351  	// cond: is32Bit(int64(off1)+int64(off2))
  7352  	// result: (SUBSDload [off1+off2] {sym} val base mem)
  7353  	for {
  7354  		off1 := auxIntToInt32(v.AuxInt)
  7355  		sym := auxToSym(v.Aux)
  7356  		val := v_0
  7357  		if v_1.Op != Op386ADDLconst {
  7358  			break
  7359  		}
  7360  		off2 := auxIntToInt32(v_1.AuxInt)
  7361  		base := v_1.Args[0]
  7362  		mem := v_2
  7363  		if !(is32Bit(int64(off1) + int64(off2))) {
  7364  			break
  7365  		}
  7366  		v.reset(Op386SUBSDload)
  7367  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7368  		v.Aux = symToAux(sym)
  7369  		v.AddArg3(val, base, mem)
  7370  		return true
  7371  	}
  7372  	// match: (SUBSDload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  7373  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  7374  	// result: (SUBSDload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  7375  	for {
  7376  		off1 := auxIntToInt32(v.AuxInt)
  7377  		sym1 := auxToSym(v.Aux)
  7378  		val := v_0
  7379  		if v_1.Op != Op386LEAL {
  7380  			break
  7381  		}
  7382  		off2 := auxIntToInt32(v_1.AuxInt)
  7383  		sym2 := auxToSym(v_1.Aux)
  7384  		base := v_1.Args[0]
  7385  		mem := v_2
  7386  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  7387  			break
  7388  		}
  7389  		v.reset(Op386SUBSDload)
  7390  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7391  		v.Aux = symToAux(mergeSym(sym1, sym2))
  7392  		v.AddArg3(val, base, mem)
  7393  		return true
  7394  	}
  7395  	return false
  7396  }
  7397  func rewriteValue386_Op386SUBSS(v *Value) bool {
  7398  	v_1 := v.Args[1]
  7399  	v_0 := v.Args[0]
  7400  	// match: (SUBSS x l:(MOVSSload [off] {sym} ptr mem))
  7401  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  7402  	// result: (SUBSSload x [off] {sym} ptr mem)
  7403  	for {
  7404  		x := v_0
  7405  		l := v_1
  7406  		if l.Op != Op386MOVSSload {
  7407  			break
  7408  		}
  7409  		off := auxIntToInt32(l.AuxInt)
  7410  		sym := auxToSym(l.Aux)
  7411  		mem := l.Args[1]
  7412  		ptr := l.Args[0]
  7413  		if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  7414  			break
  7415  		}
  7416  		v.reset(Op386SUBSSload)
  7417  		v.AuxInt = int32ToAuxInt(off)
  7418  		v.Aux = symToAux(sym)
  7419  		v.AddArg3(x, ptr, mem)
  7420  		return true
  7421  	}
  7422  	return false
  7423  }
  7424  func rewriteValue386_Op386SUBSSload(v *Value) bool {
  7425  	v_2 := v.Args[2]
  7426  	v_1 := v.Args[1]
  7427  	v_0 := v.Args[0]
  7428  	b := v.Block
  7429  	config := b.Func.Config
  7430  	// match: (SUBSSload [off1] {sym} val (ADDLconst [off2] base) mem)
  7431  	// cond: is32Bit(int64(off1)+int64(off2))
  7432  	// result: (SUBSSload [off1+off2] {sym} val base mem)
  7433  	for {
  7434  		off1 := auxIntToInt32(v.AuxInt)
  7435  		sym := auxToSym(v.Aux)
  7436  		val := v_0
  7437  		if v_1.Op != Op386ADDLconst {
  7438  			break
  7439  		}
  7440  		off2 := auxIntToInt32(v_1.AuxInt)
  7441  		base := v_1.Args[0]
  7442  		mem := v_2
  7443  		if !(is32Bit(int64(off1) + int64(off2))) {
  7444  			break
  7445  		}
  7446  		v.reset(Op386SUBSSload)
  7447  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7448  		v.Aux = symToAux(sym)
  7449  		v.AddArg3(val, base, mem)
  7450  		return true
  7451  	}
  7452  	// match: (SUBSSload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  7453  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  7454  	// result: (SUBSSload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  7455  	for {
  7456  		off1 := auxIntToInt32(v.AuxInt)
  7457  		sym1 := auxToSym(v.Aux)
  7458  		val := v_0
  7459  		if v_1.Op != Op386LEAL {
  7460  			break
  7461  		}
  7462  		off2 := auxIntToInt32(v_1.AuxInt)
  7463  		sym2 := auxToSym(v_1.Aux)
  7464  		base := v_1.Args[0]
  7465  		mem := v_2
  7466  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  7467  			break
  7468  		}
  7469  		v.reset(Op386SUBSSload)
  7470  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7471  		v.Aux = symToAux(mergeSym(sym1, sym2))
  7472  		v.AddArg3(val, base, mem)
  7473  		return true
  7474  	}
  7475  	return false
  7476  }
  7477  func rewriteValue386_Op386XORL(v *Value) bool {
  7478  	v_1 := v.Args[1]
  7479  	v_0 := v.Args[0]
  7480  	// match: (XORL x (MOVLconst [c]))
  7481  	// result: (XORLconst [c] x)
  7482  	for {
  7483  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7484  			x := v_0
  7485  			if v_1.Op != Op386MOVLconst {
  7486  				continue
  7487  			}
  7488  			c := auxIntToInt32(v_1.AuxInt)
  7489  			v.reset(Op386XORLconst)
  7490  			v.AuxInt = int32ToAuxInt(c)
  7491  			v.AddArg(x)
  7492  			return true
  7493  		}
  7494  		break
  7495  	}
  7496  	// match: (XORL x l:(MOVLload [off] {sym} ptr mem))
  7497  	// cond: canMergeLoadClobber(v, l, x) && clobber(l)
  7498  	// result: (XORLload x [off] {sym} ptr mem)
  7499  	for {
  7500  		for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 {
  7501  			x := v_0
  7502  			l := v_1
  7503  			if l.Op != Op386MOVLload {
  7504  				continue
  7505  			}
  7506  			off := auxIntToInt32(l.AuxInt)
  7507  			sym := auxToSym(l.Aux)
  7508  			mem := l.Args[1]
  7509  			ptr := l.Args[0]
  7510  			if !(canMergeLoadClobber(v, l, x) && clobber(l)) {
  7511  				continue
  7512  			}
  7513  			v.reset(Op386XORLload)
  7514  			v.AuxInt = int32ToAuxInt(off)
  7515  			v.Aux = symToAux(sym)
  7516  			v.AddArg3(x, ptr, mem)
  7517  			return true
  7518  		}
  7519  		break
  7520  	}
  7521  	// match: (XORL x x)
  7522  	// result: (MOVLconst [0])
  7523  	for {
  7524  		x := v_0
  7525  		if x != v_1 {
  7526  			break
  7527  		}
  7528  		v.reset(Op386MOVLconst)
  7529  		v.AuxInt = int32ToAuxInt(0)
  7530  		return true
  7531  	}
  7532  	return false
  7533  }
  7534  func rewriteValue386_Op386XORLconst(v *Value) bool {
  7535  	v_0 := v.Args[0]
  7536  	// match: (XORLconst [c] (XORLconst [d] x))
  7537  	// result: (XORLconst [c ^ d] x)
  7538  	for {
  7539  		c := auxIntToInt32(v.AuxInt)
  7540  		if v_0.Op != Op386XORLconst {
  7541  			break
  7542  		}
  7543  		d := auxIntToInt32(v_0.AuxInt)
  7544  		x := v_0.Args[0]
  7545  		v.reset(Op386XORLconst)
  7546  		v.AuxInt = int32ToAuxInt(c ^ d)
  7547  		v.AddArg(x)
  7548  		return true
  7549  	}
  7550  	// match: (XORLconst [c] x)
  7551  	// cond: c==0
  7552  	// result: x
  7553  	for {
  7554  		c := auxIntToInt32(v.AuxInt)
  7555  		x := v_0
  7556  		if !(c == 0) {
  7557  			break
  7558  		}
  7559  		v.copyOf(x)
  7560  		return true
  7561  	}
  7562  	// match: (XORLconst [c] (MOVLconst [d]))
  7563  	// result: (MOVLconst [c^d])
  7564  	for {
  7565  		c := auxIntToInt32(v.AuxInt)
  7566  		if v_0.Op != Op386MOVLconst {
  7567  			break
  7568  		}
  7569  		d := auxIntToInt32(v_0.AuxInt)
  7570  		v.reset(Op386MOVLconst)
  7571  		v.AuxInt = int32ToAuxInt(c ^ d)
  7572  		return true
  7573  	}
  7574  	return false
  7575  }
  7576  func rewriteValue386_Op386XORLconstmodify(v *Value) bool {
  7577  	v_1 := v.Args[1]
  7578  	v_0 := v.Args[0]
  7579  	b := v.Block
  7580  	config := b.Func.Config
  7581  	// match: (XORLconstmodify [valoff1] {sym} (ADDLconst [off2] base) mem)
  7582  	// cond: valoff1.canAdd32(off2)
  7583  	// result: (XORLconstmodify [valoff1.addOffset32(off2)] {sym} base mem)
  7584  	for {
  7585  		valoff1 := auxIntToValAndOff(v.AuxInt)
  7586  		sym := auxToSym(v.Aux)
  7587  		if v_0.Op != Op386ADDLconst {
  7588  			break
  7589  		}
  7590  		off2 := auxIntToInt32(v_0.AuxInt)
  7591  		base := v_0.Args[0]
  7592  		mem := v_1
  7593  		if !(valoff1.canAdd32(off2)) {
  7594  			break
  7595  		}
  7596  		v.reset(Op386XORLconstmodify)
  7597  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  7598  		v.Aux = symToAux(sym)
  7599  		v.AddArg2(base, mem)
  7600  		return true
  7601  	}
  7602  	// match: (XORLconstmodify [valoff1] {sym1} (LEAL [off2] {sym2} base) mem)
  7603  	// cond: valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  7604  	// result: (XORLconstmodify [valoff1.addOffset32(off2)] {mergeSym(sym1,sym2)} base mem)
  7605  	for {
  7606  		valoff1 := auxIntToValAndOff(v.AuxInt)
  7607  		sym1 := auxToSym(v.Aux)
  7608  		if v_0.Op != Op386LEAL {
  7609  			break
  7610  		}
  7611  		off2 := auxIntToInt32(v_0.AuxInt)
  7612  		sym2 := auxToSym(v_0.Aux)
  7613  		base := v_0.Args[0]
  7614  		mem := v_1
  7615  		if !(valoff1.canAdd32(off2) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  7616  			break
  7617  		}
  7618  		v.reset(Op386XORLconstmodify)
  7619  		v.AuxInt = valAndOffToAuxInt(valoff1.addOffset32(off2))
  7620  		v.Aux = symToAux(mergeSym(sym1, sym2))
  7621  		v.AddArg2(base, mem)
  7622  		return true
  7623  	}
  7624  	return false
  7625  }
  7626  func rewriteValue386_Op386XORLload(v *Value) bool {
  7627  	v_2 := v.Args[2]
  7628  	v_1 := v.Args[1]
  7629  	v_0 := v.Args[0]
  7630  	b := v.Block
  7631  	config := b.Func.Config
  7632  	// match: (XORLload [off1] {sym} val (ADDLconst [off2] base) mem)
  7633  	// cond: is32Bit(int64(off1)+int64(off2))
  7634  	// result: (XORLload [off1+off2] {sym} val base mem)
  7635  	for {
  7636  		off1 := auxIntToInt32(v.AuxInt)
  7637  		sym := auxToSym(v.Aux)
  7638  		val := v_0
  7639  		if v_1.Op != Op386ADDLconst {
  7640  			break
  7641  		}
  7642  		off2 := auxIntToInt32(v_1.AuxInt)
  7643  		base := v_1.Args[0]
  7644  		mem := v_2
  7645  		if !(is32Bit(int64(off1) + int64(off2))) {
  7646  			break
  7647  		}
  7648  		v.reset(Op386XORLload)
  7649  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7650  		v.Aux = symToAux(sym)
  7651  		v.AddArg3(val, base, mem)
  7652  		return true
  7653  	}
  7654  	// match: (XORLload [off1] {sym1} val (LEAL [off2] {sym2} base) mem)
  7655  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  7656  	// result: (XORLload [off1+off2] {mergeSym(sym1,sym2)} val base mem)
  7657  	for {
  7658  		off1 := auxIntToInt32(v.AuxInt)
  7659  		sym1 := auxToSym(v.Aux)
  7660  		val := v_0
  7661  		if v_1.Op != Op386LEAL {
  7662  			break
  7663  		}
  7664  		off2 := auxIntToInt32(v_1.AuxInt)
  7665  		sym2 := auxToSym(v_1.Aux)
  7666  		base := v_1.Args[0]
  7667  		mem := v_2
  7668  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  7669  			break
  7670  		}
  7671  		v.reset(Op386XORLload)
  7672  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7673  		v.Aux = symToAux(mergeSym(sym1, sym2))
  7674  		v.AddArg3(val, base, mem)
  7675  		return true
  7676  	}
  7677  	return false
  7678  }
  7679  func rewriteValue386_Op386XORLmodify(v *Value) bool {
  7680  	v_2 := v.Args[2]
  7681  	v_1 := v.Args[1]
  7682  	v_0 := v.Args[0]
  7683  	b := v.Block
  7684  	config := b.Func.Config
  7685  	// match: (XORLmodify [off1] {sym} (ADDLconst [off2] base) val mem)
  7686  	// cond: is32Bit(int64(off1)+int64(off2))
  7687  	// result: (XORLmodify [off1+off2] {sym} base val mem)
  7688  	for {
  7689  		off1 := auxIntToInt32(v.AuxInt)
  7690  		sym := auxToSym(v.Aux)
  7691  		if v_0.Op != Op386ADDLconst {
  7692  			break
  7693  		}
  7694  		off2 := auxIntToInt32(v_0.AuxInt)
  7695  		base := v_0.Args[0]
  7696  		val := v_1
  7697  		mem := v_2
  7698  		if !(is32Bit(int64(off1) + int64(off2))) {
  7699  			break
  7700  		}
  7701  		v.reset(Op386XORLmodify)
  7702  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7703  		v.Aux = symToAux(sym)
  7704  		v.AddArg3(base, val, mem)
  7705  		return true
  7706  	}
  7707  	// match: (XORLmodify [off1] {sym1} (LEAL [off2] {sym2} base) val mem)
  7708  	// cond: is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)
  7709  	// result: (XORLmodify [off1+off2] {mergeSym(sym1,sym2)} base val mem)
  7710  	for {
  7711  		off1 := auxIntToInt32(v.AuxInt)
  7712  		sym1 := auxToSym(v.Aux)
  7713  		if v_0.Op != Op386LEAL {
  7714  			break
  7715  		}
  7716  		off2 := auxIntToInt32(v_0.AuxInt)
  7717  		sym2 := auxToSym(v_0.Aux)
  7718  		base := v_0.Args[0]
  7719  		val := v_1
  7720  		mem := v_2
  7721  		if !(is32Bit(int64(off1)+int64(off2)) && canMergeSym(sym1, sym2) && (base.Op != OpSB || !config.ctxt.Flag_shared)) {
  7722  			break
  7723  		}
  7724  		v.reset(Op386XORLmodify)
  7725  		v.AuxInt = int32ToAuxInt(off1 + off2)
  7726  		v.Aux = symToAux(mergeSym(sym1, sym2))
  7727  		v.AddArg3(base, val, mem)
  7728  		return true
  7729  	}
  7730  	return false
  7731  }
  7732  func rewriteValue386_OpAddr(v *Value) bool {
  7733  	v_0 := v.Args[0]
  7734  	// match: (Addr {sym} base)
  7735  	// result: (LEAL {sym} base)
  7736  	for {
  7737  		sym := auxToSym(v.Aux)
  7738  		base := v_0
  7739  		v.reset(Op386LEAL)
  7740  		v.Aux = symToAux(sym)
  7741  		v.AddArg(base)
  7742  		return true
  7743  	}
  7744  }
  7745  func rewriteValue386_OpBswap16(v *Value) bool {
  7746  	v_0 := v.Args[0]
  7747  	// match: (Bswap16 x)
  7748  	// result: (ROLWconst [8] x)
  7749  	for {
  7750  		x := v_0
  7751  		v.reset(Op386ROLWconst)
  7752  		v.AuxInt = int16ToAuxInt(8)
  7753  		v.AddArg(x)
  7754  		return true
  7755  	}
  7756  }
  7757  func rewriteValue386_OpConst16(v *Value) bool {
  7758  	// match: (Const16 [c])
  7759  	// result: (MOVLconst [int32(c)])
  7760  	for {
  7761  		c := auxIntToInt16(v.AuxInt)
  7762  		v.reset(Op386MOVLconst)
  7763  		v.AuxInt = int32ToAuxInt(int32(c))
  7764  		return true
  7765  	}
  7766  }
  7767  func rewriteValue386_OpConst8(v *Value) bool {
  7768  	// match: (Const8 [c])
  7769  	// result: (MOVLconst [int32(c)])
  7770  	for {
  7771  		c := auxIntToInt8(v.AuxInt)
  7772  		v.reset(Op386MOVLconst)
  7773  		v.AuxInt = int32ToAuxInt(int32(c))
  7774  		return true
  7775  	}
  7776  }
  7777  func rewriteValue386_OpConstBool(v *Value) bool {
  7778  	// match: (ConstBool [c])
  7779  	// result: (MOVLconst [b2i32(c)])
  7780  	for {
  7781  		c := auxIntToBool(v.AuxInt)
  7782  		v.reset(Op386MOVLconst)
  7783  		v.AuxInt = int32ToAuxInt(b2i32(c))
  7784  		return true
  7785  	}
  7786  }
  7787  func rewriteValue386_OpConstNil(v *Value) bool {
  7788  	// match: (ConstNil)
  7789  	// result: (MOVLconst [0])
  7790  	for {
  7791  		v.reset(Op386MOVLconst)
  7792  		v.AuxInt = int32ToAuxInt(0)
  7793  		return true
  7794  	}
  7795  }
  7796  func rewriteValue386_OpCtz16(v *Value) bool {
  7797  	v_0 := v.Args[0]
  7798  	b := v.Block
  7799  	typ := &b.Func.Config.Types
  7800  	// match: (Ctz16 x)
  7801  	// result: (BSFL (ORLconst <typ.UInt32> [0x10000] x))
  7802  	for {
  7803  		x := v_0
  7804  		v.reset(Op386BSFL)
  7805  		v0 := b.NewValue0(v.Pos, Op386ORLconst, typ.UInt32)
  7806  		v0.AuxInt = int32ToAuxInt(0x10000)
  7807  		v0.AddArg(x)
  7808  		v.AddArg(v0)
  7809  		return true
  7810  	}
  7811  }
  7812  func rewriteValue386_OpCtz8(v *Value) bool {
  7813  	v_0 := v.Args[0]
  7814  	b := v.Block
  7815  	typ := &b.Func.Config.Types
  7816  	// match: (Ctz8 x)
  7817  	// result: (BSFL (ORLconst <typ.UInt32> [0x100] x))
  7818  	for {
  7819  		x := v_0
  7820  		v.reset(Op386BSFL)
  7821  		v0 := b.NewValue0(v.Pos, Op386ORLconst, typ.UInt32)
  7822  		v0.AuxInt = int32ToAuxInt(0x100)
  7823  		v0.AddArg(x)
  7824  		v.AddArg(v0)
  7825  		return true
  7826  	}
  7827  }
  7828  func rewriteValue386_OpDiv8(v *Value) bool {
  7829  	v_1 := v.Args[1]
  7830  	v_0 := v.Args[0]
  7831  	b := v.Block
  7832  	typ := &b.Func.Config.Types
  7833  	// match: (Div8 x y)
  7834  	// result: (DIVW (SignExt8to16 x) (SignExt8to16 y))
  7835  	for {
  7836  		x := v_0
  7837  		y := v_1
  7838  		v.reset(Op386DIVW)
  7839  		v0 := b.NewValue0(v.Pos, OpSignExt8to16, typ.Int16)
  7840  		v0.AddArg(x)
  7841  		v1 := b.NewValue0(v.Pos, OpSignExt8to16, typ.Int16)
  7842  		v1.AddArg(y)
  7843  		v.AddArg2(v0, v1)
  7844  		return true
  7845  	}
  7846  }
  7847  func rewriteValue386_OpDiv8u(v *Value) bool {
  7848  	v_1 := v.Args[1]
  7849  	v_0 := v.Args[0]
  7850  	b := v.Block
  7851  	typ := &b.Func.Config.Types
  7852  	// match: (Div8u x y)
  7853  	// result: (DIVWU (ZeroExt8to16 x) (ZeroExt8to16 y))
  7854  	for {
  7855  		x := v_0
  7856  		y := v_1
  7857  		v.reset(Op386DIVWU)
  7858  		v0 := b.NewValue0(v.Pos, OpZeroExt8to16, typ.UInt16)
  7859  		v0.AddArg(x)
  7860  		v1 := b.NewValue0(v.Pos, OpZeroExt8to16, typ.UInt16)
  7861  		v1.AddArg(y)
  7862  		v.AddArg2(v0, v1)
  7863  		return true
  7864  	}
  7865  }
  7866  func rewriteValue386_OpEq16(v *Value) bool {
  7867  	v_1 := v.Args[1]
  7868  	v_0 := v.Args[0]
  7869  	b := v.Block
  7870  	// match: (Eq16 x y)
  7871  	// result: (SETEQ (CMPW x y))
  7872  	for {
  7873  		x := v_0
  7874  		y := v_1
  7875  		v.reset(Op386SETEQ)
  7876  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  7877  		v0.AddArg2(x, y)
  7878  		v.AddArg(v0)
  7879  		return true
  7880  	}
  7881  }
  7882  func rewriteValue386_OpEq32(v *Value) bool {
  7883  	v_1 := v.Args[1]
  7884  	v_0 := v.Args[0]
  7885  	b := v.Block
  7886  	// match: (Eq32 x y)
  7887  	// result: (SETEQ (CMPL x y))
  7888  	for {
  7889  		x := v_0
  7890  		y := v_1
  7891  		v.reset(Op386SETEQ)
  7892  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  7893  		v0.AddArg2(x, y)
  7894  		v.AddArg(v0)
  7895  		return true
  7896  	}
  7897  }
  7898  func rewriteValue386_OpEq32F(v *Value) bool {
  7899  	v_1 := v.Args[1]
  7900  	v_0 := v.Args[0]
  7901  	b := v.Block
  7902  	// match: (Eq32F x y)
  7903  	// result: (SETEQF (UCOMISS x y))
  7904  	for {
  7905  		x := v_0
  7906  		y := v_1
  7907  		v.reset(Op386SETEQF)
  7908  		v0 := b.NewValue0(v.Pos, Op386UCOMISS, types.TypeFlags)
  7909  		v0.AddArg2(x, y)
  7910  		v.AddArg(v0)
  7911  		return true
  7912  	}
  7913  }
  7914  func rewriteValue386_OpEq64F(v *Value) bool {
  7915  	v_1 := v.Args[1]
  7916  	v_0 := v.Args[0]
  7917  	b := v.Block
  7918  	// match: (Eq64F x y)
  7919  	// result: (SETEQF (UCOMISD x y))
  7920  	for {
  7921  		x := v_0
  7922  		y := v_1
  7923  		v.reset(Op386SETEQF)
  7924  		v0 := b.NewValue0(v.Pos, Op386UCOMISD, types.TypeFlags)
  7925  		v0.AddArg2(x, y)
  7926  		v.AddArg(v0)
  7927  		return true
  7928  	}
  7929  }
  7930  func rewriteValue386_OpEq8(v *Value) bool {
  7931  	v_1 := v.Args[1]
  7932  	v_0 := v.Args[0]
  7933  	b := v.Block
  7934  	// match: (Eq8 x y)
  7935  	// result: (SETEQ (CMPB x y))
  7936  	for {
  7937  		x := v_0
  7938  		y := v_1
  7939  		v.reset(Op386SETEQ)
  7940  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  7941  		v0.AddArg2(x, y)
  7942  		v.AddArg(v0)
  7943  		return true
  7944  	}
  7945  }
  7946  func rewriteValue386_OpEqB(v *Value) bool {
  7947  	v_1 := v.Args[1]
  7948  	v_0 := v.Args[0]
  7949  	b := v.Block
  7950  	// match: (EqB x y)
  7951  	// result: (SETEQ (CMPB x y))
  7952  	for {
  7953  		x := v_0
  7954  		y := v_1
  7955  		v.reset(Op386SETEQ)
  7956  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  7957  		v0.AddArg2(x, y)
  7958  		v.AddArg(v0)
  7959  		return true
  7960  	}
  7961  }
  7962  func rewriteValue386_OpEqPtr(v *Value) bool {
  7963  	v_1 := v.Args[1]
  7964  	v_0 := v.Args[0]
  7965  	b := v.Block
  7966  	// match: (EqPtr x y)
  7967  	// result: (SETEQ (CMPL x y))
  7968  	for {
  7969  		x := v_0
  7970  		y := v_1
  7971  		v.reset(Op386SETEQ)
  7972  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  7973  		v0.AddArg2(x, y)
  7974  		v.AddArg(v0)
  7975  		return true
  7976  	}
  7977  }
  7978  func rewriteValue386_OpIsInBounds(v *Value) bool {
  7979  	v_1 := v.Args[1]
  7980  	v_0 := v.Args[0]
  7981  	b := v.Block
  7982  	// match: (IsInBounds idx len)
  7983  	// result: (SETB (CMPL idx len))
  7984  	for {
  7985  		idx := v_0
  7986  		len := v_1
  7987  		v.reset(Op386SETB)
  7988  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  7989  		v0.AddArg2(idx, len)
  7990  		v.AddArg(v0)
  7991  		return true
  7992  	}
  7993  }
  7994  func rewriteValue386_OpIsNonNil(v *Value) bool {
  7995  	v_0 := v.Args[0]
  7996  	b := v.Block
  7997  	// match: (IsNonNil p)
  7998  	// result: (SETNE (TESTL p p))
  7999  	for {
  8000  		p := v_0
  8001  		v.reset(Op386SETNE)
  8002  		v0 := b.NewValue0(v.Pos, Op386TESTL, types.TypeFlags)
  8003  		v0.AddArg2(p, p)
  8004  		v.AddArg(v0)
  8005  		return true
  8006  	}
  8007  }
  8008  func rewriteValue386_OpIsSliceInBounds(v *Value) bool {
  8009  	v_1 := v.Args[1]
  8010  	v_0 := v.Args[0]
  8011  	b := v.Block
  8012  	// match: (IsSliceInBounds idx len)
  8013  	// result: (SETBE (CMPL idx len))
  8014  	for {
  8015  		idx := v_0
  8016  		len := v_1
  8017  		v.reset(Op386SETBE)
  8018  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  8019  		v0.AddArg2(idx, len)
  8020  		v.AddArg(v0)
  8021  		return true
  8022  	}
  8023  }
  8024  func rewriteValue386_OpLeq16(v *Value) bool {
  8025  	v_1 := v.Args[1]
  8026  	v_0 := v.Args[0]
  8027  	b := v.Block
  8028  	// match: (Leq16 x y)
  8029  	// result: (SETLE (CMPW x y))
  8030  	for {
  8031  		x := v_0
  8032  		y := v_1
  8033  		v.reset(Op386SETLE)
  8034  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  8035  		v0.AddArg2(x, y)
  8036  		v.AddArg(v0)
  8037  		return true
  8038  	}
  8039  }
  8040  func rewriteValue386_OpLeq16U(v *Value) bool {
  8041  	v_1 := v.Args[1]
  8042  	v_0 := v.Args[0]
  8043  	b := v.Block
  8044  	// match: (Leq16U x y)
  8045  	// result: (SETBE (CMPW x y))
  8046  	for {
  8047  		x := v_0
  8048  		y := v_1
  8049  		v.reset(Op386SETBE)
  8050  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  8051  		v0.AddArg2(x, y)
  8052  		v.AddArg(v0)
  8053  		return true
  8054  	}
  8055  }
  8056  func rewriteValue386_OpLeq32(v *Value) bool {
  8057  	v_1 := v.Args[1]
  8058  	v_0 := v.Args[0]
  8059  	b := v.Block
  8060  	// match: (Leq32 x y)
  8061  	// result: (SETLE (CMPL x y))
  8062  	for {
  8063  		x := v_0
  8064  		y := v_1
  8065  		v.reset(Op386SETLE)
  8066  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  8067  		v0.AddArg2(x, y)
  8068  		v.AddArg(v0)
  8069  		return true
  8070  	}
  8071  }
  8072  func rewriteValue386_OpLeq32F(v *Value) bool {
  8073  	v_1 := v.Args[1]
  8074  	v_0 := v.Args[0]
  8075  	b := v.Block
  8076  	// match: (Leq32F x y)
  8077  	// result: (SETGEF (UCOMISS y x))
  8078  	for {
  8079  		x := v_0
  8080  		y := v_1
  8081  		v.reset(Op386SETGEF)
  8082  		v0 := b.NewValue0(v.Pos, Op386UCOMISS, types.TypeFlags)
  8083  		v0.AddArg2(y, x)
  8084  		v.AddArg(v0)
  8085  		return true
  8086  	}
  8087  }
  8088  func rewriteValue386_OpLeq32U(v *Value) bool {
  8089  	v_1 := v.Args[1]
  8090  	v_0 := v.Args[0]
  8091  	b := v.Block
  8092  	// match: (Leq32U x y)
  8093  	// result: (SETBE (CMPL x y))
  8094  	for {
  8095  		x := v_0
  8096  		y := v_1
  8097  		v.reset(Op386SETBE)
  8098  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  8099  		v0.AddArg2(x, y)
  8100  		v.AddArg(v0)
  8101  		return true
  8102  	}
  8103  }
  8104  func rewriteValue386_OpLeq64F(v *Value) bool {
  8105  	v_1 := v.Args[1]
  8106  	v_0 := v.Args[0]
  8107  	b := v.Block
  8108  	// match: (Leq64F x y)
  8109  	// result: (SETGEF (UCOMISD y x))
  8110  	for {
  8111  		x := v_0
  8112  		y := v_1
  8113  		v.reset(Op386SETGEF)
  8114  		v0 := b.NewValue0(v.Pos, Op386UCOMISD, types.TypeFlags)
  8115  		v0.AddArg2(y, x)
  8116  		v.AddArg(v0)
  8117  		return true
  8118  	}
  8119  }
  8120  func rewriteValue386_OpLeq8(v *Value) bool {
  8121  	v_1 := v.Args[1]
  8122  	v_0 := v.Args[0]
  8123  	b := v.Block
  8124  	// match: (Leq8 x y)
  8125  	// result: (SETLE (CMPB x y))
  8126  	for {
  8127  		x := v_0
  8128  		y := v_1
  8129  		v.reset(Op386SETLE)
  8130  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  8131  		v0.AddArg2(x, y)
  8132  		v.AddArg(v0)
  8133  		return true
  8134  	}
  8135  }
  8136  func rewriteValue386_OpLeq8U(v *Value) bool {
  8137  	v_1 := v.Args[1]
  8138  	v_0 := v.Args[0]
  8139  	b := v.Block
  8140  	// match: (Leq8U x y)
  8141  	// result: (SETBE (CMPB x y))
  8142  	for {
  8143  		x := v_0
  8144  		y := v_1
  8145  		v.reset(Op386SETBE)
  8146  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  8147  		v0.AddArg2(x, y)
  8148  		v.AddArg(v0)
  8149  		return true
  8150  	}
  8151  }
  8152  func rewriteValue386_OpLess16(v *Value) bool {
  8153  	v_1 := v.Args[1]
  8154  	v_0 := v.Args[0]
  8155  	b := v.Block
  8156  	// match: (Less16 x y)
  8157  	// result: (SETL (CMPW x y))
  8158  	for {
  8159  		x := v_0
  8160  		y := v_1
  8161  		v.reset(Op386SETL)
  8162  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  8163  		v0.AddArg2(x, y)
  8164  		v.AddArg(v0)
  8165  		return true
  8166  	}
  8167  }
  8168  func rewriteValue386_OpLess16U(v *Value) bool {
  8169  	v_1 := v.Args[1]
  8170  	v_0 := v.Args[0]
  8171  	b := v.Block
  8172  	// match: (Less16U x y)
  8173  	// result: (SETB (CMPW x y))
  8174  	for {
  8175  		x := v_0
  8176  		y := v_1
  8177  		v.reset(Op386SETB)
  8178  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  8179  		v0.AddArg2(x, y)
  8180  		v.AddArg(v0)
  8181  		return true
  8182  	}
  8183  }
  8184  func rewriteValue386_OpLess32(v *Value) bool {
  8185  	v_1 := v.Args[1]
  8186  	v_0 := v.Args[0]
  8187  	b := v.Block
  8188  	// match: (Less32 x y)
  8189  	// result: (SETL (CMPL x y))
  8190  	for {
  8191  		x := v_0
  8192  		y := v_1
  8193  		v.reset(Op386SETL)
  8194  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  8195  		v0.AddArg2(x, y)
  8196  		v.AddArg(v0)
  8197  		return true
  8198  	}
  8199  }
  8200  func rewriteValue386_OpLess32F(v *Value) bool {
  8201  	v_1 := v.Args[1]
  8202  	v_0 := v.Args[0]
  8203  	b := v.Block
  8204  	// match: (Less32F x y)
  8205  	// result: (SETGF (UCOMISS y x))
  8206  	for {
  8207  		x := v_0
  8208  		y := v_1
  8209  		v.reset(Op386SETGF)
  8210  		v0 := b.NewValue0(v.Pos, Op386UCOMISS, types.TypeFlags)
  8211  		v0.AddArg2(y, x)
  8212  		v.AddArg(v0)
  8213  		return true
  8214  	}
  8215  }
  8216  func rewriteValue386_OpLess32U(v *Value) bool {
  8217  	v_1 := v.Args[1]
  8218  	v_0 := v.Args[0]
  8219  	b := v.Block
  8220  	// match: (Less32U x y)
  8221  	// result: (SETB (CMPL x y))
  8222  	for {
  8223  		x := v_0
  8224  		y := v_1
  8225  		v.reset(Op386SETB)
  8226  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  8227  		v0.AddArg2(x, y)
  8228  		v.AddArg(v0)
  8229  		return true
  8230  	}
  8231  }
  8232  func rewriteValue386_OpLess64F(v *Value) bool {
  8233  	v_1 := v.Args[1]
  8234  	v_0 := v.Args[0]
  8235  	b := v.Block
  8236  	// match: (Less64F x y)
  8237  	// result: (SETGF (UCOMISD y x))
  8238  	for {
  8239  		x := v_0
  8240  		y := v_1
  8241  		v.reset(Op386SETGF)
  8242  		v0 := b.NewValue0(v.Pos, Op386UCOMISD, types.TypeFlags)
  8243  		v0.AddArg2(y, x)
  8244  		v.AddArg(v0)
  8245  		return true
  8246  	}
  8247  }
  8248  func rewriteValue386_OpLess8(v *Value) bool {
  8249  	v_1 := v.Args[1]
  8250  	v_0 := v.Args[0]
  8251  	b := v.Block
  8252  	// match: (Less8 x y)
  8253  	// result: (SETL (CMPB x y))
  8254  	for {
  8255  		x := v_0
  8256  		y := v_1
  8257  		v.reset(Op386SETL)
  8258  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  8259  		v0.AddArg2(x, y)
  8260  		v.AddArg(v0)
  8261  		return true
  8262  	}
  8263  }
  8264  func rewriteValue386_OpLess8U(v *Value) bool {
  8265  	v_1 := v.Args[1]
  8266  	v_0 := v.Args[0]
  8267  	b := v.Block
  8268  	// match: (Less8U x y)
  8269  	// result: (SETB (CMPB x y))
  8270  	for {
  8271  		x := v_0
  8272  		y := v_1
  8273  		v.reset(Op386SETB)
  8274  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  8275  		v0.AddArg2(x, y)
  8276  		v.AddArg(v0)
  8277  		return true
  8278  	}
  8279  }
  8280  func rewriteValue386_OpLoad(v *Value) bool {
  8281  	v_1 := v.Args[1]
  8282  	v_0 := v.Args[0]
  8283  	// match: (Load <t> ptr mem)
  8284  	// cond: (is32BitInt(t) || isPtr(t))
  8285  	// result: (MOVLload ptr mem)
  8286  	for {
  8287  		t := v.Type
  8288  		ptr := v_0
  8289  		mem := v_1
  8290  		if !(is32BitInt(t) || isPtr(t)) {
  8291  			break
  8292  		}
  8293  		v.reset(Op386MOVLload)
  8294  		v.AddArg2(ptr, mem)
  8295  		return true
  8296  	}
  8297  	// match: (Load <t> ptr mem)
  8298  	// cond: is16BitInt(t)
  8299  	// result: (MOVWload ptr mem)
  8300  	for {
  8301  		t := v.Type
  8302  		ptr := v_0
  8303  		mem := v_1
  8304  		if !(is16BitInt(t)) {
  8305  			break
  8306  		}
  8307  		v.reset(Op386MOVWload)
  8308  		v.AddArg2(ptr, mem)
  8309  		return true
  8310  	}
  8311  	// match: (Load <t> ptr mem)
  8312  	// cond: (t.IsBoolean() || is8BitInt(t))
  8313  	// result: (MOVBload ptr mem)
  8314  	for {
  8315  		t := v.Type
  8316  		ptr := v_0
  8317  		mem := v_1
  8318  		if !(t.IsBoolean() || is8BitInt(t)) {
  8319  			break
  8320  		}
  8321  		v.reset(Op386MOVBload)
  8322  		v.AddArg2(ptr, mem)
  8323  		return true
  8324  	}
  8325  	// match: (Load <t> ptr mem)
  8326  	// cond: is32BitFloat(t)
  8327  	// result: (MOVSSload ptr mem)
  8328  	for {
  8329  		t := v.Type
  8330  		ptr := v_0
  8331  		mem := v_1
  8332  		if !(is32BitFloat(t)) {
  8333  			break
  8334  		}
  8335  		v.reset(Op386MOVSSload)
  8336  		v.AddArg2(ptr, mem)
  8337  		return true
  8338  	}
  8339  	// match: (Load <t> ptr mem)
  8340  	// cond: is64BitFloat(t)
  8341  	// result: (MOVSDload ptr mem)
  8342  	for {
  8343  		t := v.Type
  8344  		ptr := v_0
  8345  		mem := v_1
  8346  		if !(is64BitFloat(t)) {
  8347  			break
  8348  		}
  8349  		v.reset(Op386MOVSDload)
  8350  		v.AddArg2(ptr, mem)
  8351  		return true
  8352  	}
  8353  	return false
  8354  }
  8355  func rewriteValue386_OpLocalAddr(v *Value) bool {
  8356  	v_1 := v.Args[1]
  8357  	v_0 := v.Args[0]
  8358  	b := v.Block
  8359  	typ := &b.Func.Config.Types
  8360  	// match: (LocalAddr <t> {sym} base mem)
  8361  	// cond: t.Elem().HasPointers()
  8362  	// result: (LEAL {sym} (SPanchored base mem))
  8363  	for {
  8364  		t := v.Type
  8365  		sym := auxToSym(v.Aux)
  8366  		base := v_0
  8367  		mem := v_1
  8368  		if !(t.Elem().HasPointers()) {
  8369  			break
  8370  		}
  8371  		v.reset(Op386LEAL)
  8372  		v.Aux = symToAux(sym)
  8373  		v0 := b.NewValue0(v.Pos, OpSPanchored, typ.Uintptr)
  8374  		v0.AddArg2(base, mem)
  8375  		v.AddArg(v0)
  8376  		return true
  8377  	}
  8378  	// match: (LocalAddr <t> {sym} base _)
  8379  	// cond: !t.Elem().HasPointers()
  8380  	// result: (LEAL {sym} base)
  8381  	for {
  8382  		t := v.Type
  8383  		sym := auxToSym(v.Aux)
  8384  		base := v_0
  8385  		if !(!t.Elem().HasPointers()) {
  8386  			break
  8387  		}
  8388  		v.reset(Op386LEAL)
  8389  		v.Aux = symToAux(sym)
  8390  		v.AddArg(base)
  8391  		return true
  8392  	}
  8393  	return false
  8394  }
  8395  func rewriteValue386_OpLsh16x16(v *Value) bool {
  8396  	v_1 := v.Args[1]
  8397  	v_0 := v.Args[0]
  8398  	b := v.Block
  8399  	// match: (Lsh16x16 <t> x y)
  8400  	// cond: !shiftIsBounded(v)
  8401  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPWconst y [32])))
  8402  	for {
  8403  		t := v.Type
  8404  		x := v_0
  8405  		y := v_1
  8406  		if !(!shiftIsBounded(v)) {
  8407  			break
  8408  		}
  8409  		v.reset(Op386ANDL)
  8410  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  8411  		v0.AddArg2(x, y)
  8412  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  8413  		v2 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  8414  		v2.AuxInt = int16ToAuxInt(32)
  8415  		v2.AddArg(y)
  8416  		v1.AddArg(v2)
  8417  		v.AddArg2(v0, v1)
  8418  		return true
  8419  	}
  8420  	// match: (Lsh16x16 <t> x y)
  8421  	// cond: shiftIsBounded(v)
  8422  	// result: (SHLL <t> x y)
  8423  	for {
  8424  		t := v.Type
  8425  		x := v_0
  8426  		y := v_1
  8427  		if !(shiftIsBounded(v)) {
  8428  			break
  8429  		}
  8430  		v.reset(Op386SHLL)
  8431  		v.Type = t
  8432  		v.AddArg2(x, y)
  8433  		return true
  8434  	}
  8435  	return false
  8436  }
  8437  func rewriteValue386_OpLsh16x32(v *Value) bool {
  8438  	v_1 := v.Args[1]
  8439  	v_0 := v.Args[0]
  8440  	b := v.Block
  8441  	// match: (Lsh16x32 <t> x y)
  8442  	// cond: !shiftIsBounded(v)
  8443  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPLconst y [32])))
  8444  	for {
  8445  		t := v.Type
  8446  		x := v_0
  8447  		y := v_1
  8448  		if !(!shiftIsBounded(v)) {
  8449  			break
  8450  		}
  8451  		v.reset(Op386ANDL)
  8452  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  8453  		v0.AddArg2(x, y)
  8454  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  8455  		v2 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  8456  		v2.AuxInt = int32ToAuxInt(32)
  8457  		v2.AddArg(y)
  8458  		v1.AddArg(v2)
  8459  		v.AddArg2(v0, v1)
  8460  		return true
  8461  	}
  8462  	// match: (Lsh16x32 <t> x y)
  8463  	// cond: shiftIsBounded(v)
  8464  	// result: (SHLL <t> x y)
  8465  	for {
  8466  		t := v.Type
  8467  		x := v_0
  8468  		y := v_1
  8469  		if !(shiftIsBounded(v)) {
  8470  			break
  8471  		}
  8472  		v.reset(Op386SHLL)
  8473  		v.Type = t
  8474  		v.AddArg2(x, y)
  8475  		return true
  8476  	}
  8477  	return false
  8478  }
  8479  func rewriteValue386_OpLsh16x64(v *Value) bool {
  8480  	v_1 := v.Args[1]
  8481  	v_0 := v.Args[0]
  8482  	// match: (Lsh16x64 x (Const64 [c]))
  8483  	// cond: uint64(c) < 16
  8484  	// result: (SHLLconst x [int32(c)])
  8485  	for {
  8486  		x := v_0
  8487  		if v_1.Op != OpConst64 {
  8488  			break
  8489  		}
  8490  		c := auxIntToInt64(v_1.AuxInt)
  8491  		if !(uint64(c) < 16) {
  8492  			break
  8493  		}
  8494  		v.reset(Op386SHLLconst)
  8495  		v.AuxInt = int32ToAuxInt(int32(c))
  8496  		v.AddArg(x)
  8497  		return true
  8498  	}
  8499  	// match: (Lsh16x64 _ (Const64 [c]))
  8500  	// cond: uint64(c) >= 16
  8501  	// result: (Const16 [0])
  8502  	for {
  8503  		if v_1.Op != OpConst64 {
  8504  			break
  8505  		}
  8506  		c := auxIntToInt64(v_1.AuxInt)
  8507  		if !(uint64(c) >= 16) {
  8508  			break
  8509  		}
  8510  		v.reset(OpConst16)
  8511  		v.AuxInt = int16ToAuxInt(0)
  8512  		return true
  8513  	}
  8514  	return false
  8515  }
  8516  func rewriteValue386_OpLsh16x8(v *Value) bool {
  8517  	v_1 := v.Args[1]
  8518  	v_0 := v.Args[0]
  8519  	b := v.Block
  8520  	// match: (Lsh16x8 <t> x y)
  8521  	// cond: !shiftIsBounded(v)
  8522  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPBconst y [32])))
  8523  	for {
  8524  		t := v.Type
  8525  		x := v_0
  8526  		y := v_1
  8527  		if !(!shiftIsBounded(v)) {
  8528  			break
  8529  		}
  8530  		v.reset(Op386ANDL)
  8531  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  8532  		v0.AddArg2(x, y)
  8533  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  8534  		v2 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
  8535  		v2.AuxInt = int8ToAuxInt(32)
  8536  		v2.AddArg(y)
  8537  		v1.AddArg(v2)
  8538  		v.AddArg2(v0, v1)
  8539  		return true
  8540  	}
  8541  	// match: (Lsh16x8 <t> x y)
  8542  	// cond: shiftIsBounded(v)
  8543  	// result: (SHLL <t> x y)
  8544  	for {
  8545  		t := v.Type
  8546  		x := v_0
  8547  		y := v_1
  8548  		if !(shiftIsBounded(v)) {
  8549  			break
  8550  		}
  8551  		v.reset(Op386SHLL)
  8552  		v.Type = t
  8553  		v.AddArg2(x, y)
  8554  		return true
  8555  	}
  8556  	return false
  8557  }
  8558  func rewriteValue386_OpLsh32x16(v *Value) bool {
  8559  	v_1 := v.Args[1]
  8560  	v_0 := v.Args[0]
  8561  	b := v.Block
  8562  	// match: (Lsh32x16 <t> x y)
  8563  	// cond: !shiftIsBounded(v)
  8564  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPWconst y [32])))
  8565  	for {
  8566  		t := v.Type
  8567  		x := v_0
  8568  		y := v_1
  8569  		if !(!shiftIsBounded(v)) {
  8570  			break
  8571  		}
  8572  		v.reset(Op386ANDL)
  8573  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  8574  		v0.AddArg2(x, y)
  8575  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  8576  		v2 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  8577  		v2.AuxInt = int16ToAuxInt(32)
  8578  		v2.AddArg(y)
  8579  		v1.AddArg(v2)
  8580  		v.AddArg2(v0, v1)
  8581  		return true
  8582  	}
  8583  	// match: (Lsh32x16 <t> x y)
  8584  	// cond: shiftIsBounded(v)
  8585  	// result: (SHLL <t> x y)
  8586  	for {
  8587  		t := v.Type
  8588  		x := v_0
  8589  		y := v_1
  8590  		if !(shiftIsBounded(v)) {
  8591  			break
  8592  		}
  8593  		v.reset(Op386SHLL)
  8594  		v.Type = t
  8595  		v.AddArg2(x, y)
  8596  		return true
  8597  	}
  8598  	return false
  8599  }
  8600  func rewriteValue386_OpLsh32x32(v *Value) bool {
  8601  	v_1 := v.Args[1]
  8602  	v_0 := v.Args[0]
  8603  	b := v.Block
  8604  	// match: (Lsh32x32 <t> x y)
  8605  	// cond: !shiftIsBounded(v)
  8606  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPLconst y [32])))
  8607  	for {
  8608  		t := v.Type
  8609  		x := v_0
  8610  		y := v_1
  8611  		if !(!shiftIsBounded(v)) {
  8612  			break
  8613  		}
  8614  		v.reset(Op386ANDL)
  8615  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  8616  		v0.AddArg2(x, y)
  8617  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  8618  		v2 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  8619  		v2.AuxInt = int32ToAuxInt(32)
  8620  		v2.AddArg(y)
  8621  		v1.AddArg(v2)
  8622  		v.AddArg2(v0, v1)
  8623  		return true
  8624  	}
  8625  	// match: (Lsh32x32 <t> x y)
  8626  	// cond: shiftIsBounded(v)
  8627  	// result: (SHLL <t> x y)
  8628  	for {
  8629  		t := v.Type
  8630  		x := v_0
  8631  		y := v_1
  8632  		if !(shiftIsBounded(v)) {
  8633  			break
  8634  		}
  8635  		v.reset(Op386SHLL)
  8636  		v.Type = t
  8637  		v.AddArg2(x, y)
  8638  		return true
  8639  	}
  8640  	return false
  8641  }
  8642  func rewriteValue386_OpLsh32x64(v *Value) bool {
  8643  	v_1 := v.Args[1]
  8644  	v_0 := v.Args[0]
  8645  	// match: (Lsh32x64 x (Const64 [c]))
  8646  	// cond: uint64(c) < 32
  8647  	// result: (SHLLconst x [int32(c)])
  8648  	for {
  8649  		x := v_0
  8650  		if v_1.Op != OpConst64 {
  8651  			break
  8652  		}
  8653  		c := auxIntToInt64(v_1.AuxInt)
  8654  		if !(uint64(c) < 32) {
  8655  			break
  8656  		}
  8657  		v.reset(Op386SHLLconst)
  8658  		v.AuxInt = int32ToAuxInt(int32(c))
  8659  		v.AddArg(x)
  8660  		return true
  8661  	}
  8662  	// match: (Lsh32x64 _ (Const64 [c]))
  8663  	// cond: uint64(c) >= 32
  8664  	// result: (Const32 [0])
  8665  	for {
  8666  		if v_1.Op != OpConst64 {
  8667  			break
  8668  		}
  8669  		c := auxIntToInt64(v_1.AuxInt)
  8670  		if !(uint64(c) >= 32) {
  8671  			break
  8672  		}
  8673  		v.reset(OpConst32)
  8674  		v.AuxInt = int32ToAuxInt(0)
  8675  		return true
  8676  	}
  8677  	return false
  8678  }
  8679  func rewriteValue386_OpLsh32x8(v *Value) bool {
  8680  	v_1 := v.Args[1]
  8681  	v_0 := v.Args[0]
  8682  	b := v.Block
  8683  	// match: (Lsh32x8 <t> x y)
  8684  	// cond: !shiftIsBounded(v)
  8685  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPBconst y [32])))
  8686  	for {
  8687  		t := v.Type
  8688  		x := v_0
  8689  		y := v_1
  8690  		if !(!shiftIsBounded(v)) {
  8691  			break
  8692  		}
  8693  		v.reset(Op386ANDL)
  8694  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  8695  		v0.AddArg2(x, y)
  8696  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  8697  		v2 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
  8698  		v2.AuxInt = int8ToAuxInt(32)
  8699  		v2.AddArg(y)
  8700  		v1.AddArg(v2)
  8701  		v.AddArg2(v0, v1)
  8702  		return true
  8703  	}
  8704  	// match: (Lsh32x8 <t> x y)
  8705  	// cond: shiftIsBounded(v)
  8706  	// result: (SHLL <t> x y)
  8707  	for {
  8708  		t := v.Type
  8709  		x := v_0
  8710  		y := v_1
  8711  		if !(shiftIsBounded(v)) {
  8712  			break
  8713  		}
  8714  		v.reset(Op386SHLL)
  8715  		v.Type = t
  8716  		v.AddArg2(x, y)
  8717  		return true
  8718  	}
  8719  	return false
  8720  }
  8721  func rewriteValue386_OpLsh8x16(v *Value) bool {
  8722  	v_1 := v.Args[1]
  8723  	v_0 := v.Args[0]
  8724  	b := v.Block
  8725  	// match: (Lsh8x16 <t> x y)
  8726  	// cond: !shiftIsBounded(v)
  8727  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPWconst y [32])))
  8728  	for {
  8729  		t := v.Type
  8730  		x := v_0
  8731  		y := v_1
  8732  		if !(!shiftIsBounded(v)) {
  8733  			break
  8734  		}
  8735  		v.reset(Op386ANDL)
  8736  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  8737  		v0.AddArg2(x, y)
  8738  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  8739  		v2 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  8740  		v2.AuxInt = int16ToAuxInt(32)
  8741  		v2.AddArg(y)
  8742  		v1.AddArg(v2)
  8743  		v.AddArg2(v0, v1)
  8744  		return true
  8745  	}
  8746  	// match: (Lsh8x16 <t> x y)
  8747  	// cond: shiftIsBounded(v)
  8748  	// result: (SHLL <t> x y)
  8749  	for {
  8750  		t := v.Type
  8751  		x := v_0
  8752  		y := v_1
  8753  		if !(shiftIsBounded(v)) {
  8754  			break
  8755  		}
  8756  		v.reset(Op386SHLL)
  8757  		v.Type = t
  8758  		v.AddArg2(x, y)
  8759  		return true
  8760  	}
  8761  	return false
  8762  }
  8763  func rewriteValue386_OpLsh8x32(v *Value) bool {
  8764  	v_1 := v.Args[1]
  8765  	v_0 := v.Args[0]
  8766  	b := v.Block
  8767  	// match: (Lsh8x32 <t> x y)
  8768  	// cond: !shiftIsBounded(v)
  8769  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPLconst y [32])))
  8770  	for {
  8771  		t := v.Type
  8772  		x := v_0
  8773  		y := v_1
  8774  		if !(!shiftIsBounded(v)) {
  8775  			break
  8776  		}
  8777  		v.reset(Op386ANDL)
  8778  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  8779  		v0.AddArg2(x, y)
  8780  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  8781  		v2 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  8782  		v2.AuxInt = int32ToAuxInt(32)
  8783  		v2.AddArg(y)
  8784  		v1.AddArg(v2)
  8785  		v.AddArg2(v0, v1)
  8786  		return true
  8787  	}
  8788  	// match: (Lsh8x32 <t> x y)
  8789  	// cond: shiftIsBounded(v)
  8790  	// result: (SHLL <t> x y)
  8791  	for {
  8792  		t := v.Type
  8793  		x := v_0
  8794  		y := v_1
  8795  		if !(shiftIsBounded(v)) {
  8796  			break
  8797  		}
  8798  		v.reset(Op386SHLL)
  8799  		v.Type = t
  8800  		v.AddArg2(x, y)
  8801  		return true
  8802  	}
  8803  	return false
  8804  }
  8805  func rewriteValue386_OpLsh8x64(v *Value) bool {
  8806  	v_1 := v.Args[1]
  8807  	v_0 := v.Args[0]
  8808  	// match: (Lsh8x64 x (Const64 [c]))
  8809  	// cond: uint64(c) < 8
  8810  	// result: (SHLLconst x [int32(c)])
  8811  	for {
  8812  		x := v_0
  8813  		if v_1.Op != OpConst64 {
  8814  			break
  8815  		}
  8816  		c := auxIntToInt64(v_1.AuxInt)
  8817  		if !(uint64(c) < 8) {
  8818  			break
  8819  		}
  8820  		v.reset(Op386SHLLconst)
  8821  		v.AuxInt = int32ToAuxInt(int32(c))
  8822  		v.AddArg(x)
  8823  		return true
  8824  	}
  8825  	// match: (Lsh8x64 _ (Const64 [c]))
  8826  	// cond: uint64(c) >= 8
  8827  	// result: (Const8 [0])
  8828  	for {
  8829  		if v_1.Op != OpConst64 {
  8830  			break
  8831  		}
  8832  		c := auxIntToInt64(v_1.AuxInt)
  8833  		if !(uint64(c) >= 8) {
  8834  			break
  8835  		}
  8836  		v.reset(OpConst8)
  8837  		v.AuxInt = int8ToAuxInt(0)
  8838  		return true
  8839  	}
  8840  	return false
  8841  }
  8842  func rewriteValue386_OpLsh8x8(v *Value) bool {
  8843  	v_1 := v.Args[1]
  8844  	v_0 := v.Args[0]
  8845  	b := v.Block
  8846  	// match: (Lsh8x8 <t> x y)
  8847  	// cond: !shiftIsBounded(v)
  8848  	// result: (ANDL (SHLL <t> x y) (SBBLcarrymask <t> (CMPBconst y [32])))
  8849  	for {
  8850  		t := v.Type
  8851  		x := v_0
  8852  		y := v_1
  8853  		if !(!shiftIsBounded(v)) {
  8854  			break
  8855  		}
  8856  		v.reset(Op386ANDL)
  8857  		v0 := b.NewValue0(v.Pos, Op386SHLL, t)
  8858  		v0.AddArg2(x, y)
  8859  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  8860  		v2 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
  8861  		v2.AuxInt = int8ToAuxInt(32)
  8862  		v2.AddArg(y)
  8863  		v1.AddArg(v2)
  8864  		v.AddArg2(v0, v1)
  8865  		return true
  8866  	}
  8867  	// match: (Lsh8x8 <t> x y)
  8868  	// cond: shiftIsBounded(v)
  8869  	// result: (SHLL <t> x y)
  8870  	for {
  8871  		t := v.Type
  8872  		x := v_0
  8873  		y := v_1
  8874  		if !(shiftIsBounded(v)) {
  8875  			break
  8876  		}
  8877  		v.reset(Op386SHLL)
  8878  		v.Type = t
  8879  		v.AddArg2(x, y)
  8880  		return true
  8881  	}
  8882  	return false
  8883  }
  8884  func rewriteValue386_OpMod8(v *Value) bool {
  8885  	v_1 := v.Args[1]
  8886  	v_0 := v.Args[0]
  8887  	b := v.Block
  8888  	typ := &b.Func.Config.Types
  8889  	// match: (Mod8 x y)
  8890  	// result: (MODW (SignExt8to16 x) (SignExt8to16 y))
  8891  	for {
  8892  		x := v_0
  8893  		y := v_1
  8894  		v.reset(Op386MODW)
  8895  		v0 := b.NewValue0(v.Pos, OpSignExt8to16, typ.Int16)
  8896  		v0.AddArg(x)
  8897  		v1 := b.NewValue0(v.Pos, OpSignExt8to16, typ.Int16)
  8898  		v1.AddArg(y)
  8899  		v.AddArg2(v0, v1)
  8900  		return true
  8901  	}
  8902  }
  8903  func rewriteValue386_OpMod8u(v *Value) bool {
  8904  	v_1 := v.Args[1]
  8905  	v_0 := v.Args[0]
  8906  	b := v.Block
  8907  	typ := &b.Func.Config.Types
  8908  	// match: (Mod8u x y)
  8909  	// result: (MODWU (ZeroExt8to16 x) (ZeroExt8to16 y))
  8910  	for {
  8911  		x := v_0
  8912  		y := v_1
  8913  		v.reset(Op386MODWU)
  8914  		v0 := b.NewValue0(v.Pos, OpZeroExt8to16, typ.UInt16)
  8915  		v0.AddArg(x)
  8916  		v1 := b.NewValue0(v.Pos, OpZeroExt8to16, typ.UInt16)
  8917  		v1.AddArg(y)
  8918  		v.AddArg2(v0, v1)
  8919  		return true
  8920  	}
  8921  }
  8922  func rewriteValue386_OpMove(v *Value) bool {
  8923  	v_2 := v.Args[2]
  8924  	v_1 := v.Args[1]
  8925  	v_0 := v.Args[0]
  8926  	b := v.Block
  8927  	typ := &b.Func.Config.Types
  8928  	// match: (Move [0] _ _ mem)
  8929  	// result: mem
  8930  	for {
  8931  		if auxIntToInt64(v.AuxInt) != 0 {
  8932  			break
  8933  		}
  8934  		mem := v_2
  8935  		v.copyOf(mem)
  8936  		return true
  8937  	}
  8938  	// match: (Move [1] dst src mem)
  8939  	// result: (MOVBstore dst (MOVBload src mem) mem)
  8940  	for {
  8941  		if auxIntToInt64(v.AuxInt) != 1 {
  8942  			break
  8943  		}
  8944  		dst := v_0
  8945  		src := v_1
  8946  		mem := v_2
  8947  		v.reset(Op386MOVBstore)
  8948  		v0 := b.NewValue0(v.Pos, Op386MOVBload, typ.UInt8)
  8949  		v0.AddArg2(src, mem)
  8950  		v.AddArg3(dst, v0, mem)
  8951  		return true
  8952  	}
  8953  	// match: (Move [2] dst src mem)
  8954  	// result: (MOVWstore dst (MOVWload src mem) mem)
  8955  	for {
  8956  		if auxIntToInt64(v.AuxInt) != 2 {
  8957  			break
  8958  		}
  8959  		dst := v_0
  8960  		src := v_1
  8961  		mem := v_2
  8962  		v.reset(Op386MOVWstore)
  8963  		v0 := b.NewValue0(v.Pos, Op386MOVWload, typ.UInt16)
  8964  		v0.AddArg2(src, mem)
  8965  		v.AddArg3(dst, v0, mem)
  8966  		return true
  8967  	}
  8968  	// match: (Move [4] dst src mem)
  8969  	// result: (MOVLstore dst (MOVLload src mem) mem)
  8970  	for {
  8971  		if auxIntToInt64(v.AuxInt) != 4 {
  8972  			break
  8973  		}
  8974  		dst := v_0
  8975  		src := v_1
  8976  		mem := v_2
  8977  		v.reset(Op386MOVLstore)
  8978  		v0 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  8979  		v0.AddArg2(src, mem)
  8980  		v.AddArg3(dst, v0, mem)
  8981  		return true
  8982  	}
  8983  	// match: (Move [3] dst src mem)
  8984  	// result: (MOVBstore [2] dst (MOVBload [2] src mem) (MOVWstore dst (MOVWload src mem) mem))
  8985  	for {
  8986  		if auxIntToInt64(v.AuxInt) != 3 {
  8987  			break
  8988  		}
  8989  		dst := v_0
  8990  		src := v_1
  8991  		mem := v_2
  8992  		v.reset(Op386MOVBstore)
  8993  		v.AuxInt = int32ToAuxInt(2)
  8994  		v0 := b.NewValue0(v.Pos, Op386MOVBload, typ.UInt8)
  8995  		v0.AuxInt = int32ToAuxInt(2)
  8996  		v0.AddArg2(src, mem)
  8997  		v1 := b.NewValue0(v.Pos, Op386MOVWstore, types.TypeMem)
  8998  		v2 := b.NewValue0(v.Pos, Op386MOVWload, typ.UInt16)
  8999  		v2.AddArg2(src, mem)
  9000  		v1.AddArg3(dst, v2, mem)
  9001  		v.AddArg3(dst, v0, v1)
  9002  		return true
  9003  	}
  9004  	// match: (Move [5] dst src mem)
  9005  	// result: (MOVBstore [4] dst (MOVBload [4] src mem) (MOVLstore dst (MOVLload src mem) mem))
  9006  	for {
  9007  		if auxIntToInt64(v.AuxInt) != 5 {
  9008  			break
  9009  		}
  9010  		dst := v_0
  9011  		src := v_1
  9012  		mem := v_2
  9013  		v.reset(Op386MOVBstore)
  9014  		v.AuxInt = int32ToAuxInt(4)
  9015  		v0 := b.NewValue0(v.Pos, Op386MOVBload, typ.UInt8)
  9016  		v0.AuxInt = int32ToAuxInt(4)
  9017  		v0.AddArg2(src, mem)
  9018  		v1 := b.NewValue0(v.Pos, Op386MOVLstore, types.TypeMem)
  9019  		v2 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9020  		v2.AddArg2(src, mem)
  9021  		v1.AddArg3(dst, v2, mem)
  9022  		v.AddArg3(dst, v0, v1)
  9023  		return true
  9024  	}
  9025  	// match: (Move [6] dst src mem)
  9026  	// result: (MOVWstore [4] dst (MOVWload [4] src mem) (MOVLstore dst (MOVLload src mem) mem))
  9027  	for {
  9028  		if auxIntToInt64(v.AuxInt) != 6 {
  9029  			break
  9030  		}
  9031  		dst := v_0
  9032  		src := v_1
  9033  		mem := v_2
  9034  		v.reset(Op386MOVWstore)
  9035  		v.AuxInt = int32ToAuxInt(4)
  9036  		v0 := b.NewValue0(v.Pos, Op386MOVWload, typ.UInt16)
  9037  		v0.AuxInt = int32ToAuxInt(4)
  9038  		v0.AddArg2(src, mem)
  9039  		v1 := b.NewValue0(v.Pos, Op386MOVLstore, types.TypeMem)
  9040  		v2 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9041  		v2.AddArg2(src, mem)
  9042  		v1.AddArg3(dst, v2, mem)
  9043  		v.AddArg3(dst, v0, v1)
  9044  		return true
  9045  	}
  9046  	// match: (Move [7] dst src mem)
  9047  	// result: (MOVLstore [3] dst (MOVLload [3] src mem) (MOVLstore dst (MOVLload src mem) mem))
  9048  	for {
  9049  		if auxIntToInt64(v.AuxInt) != 7 {
  9050  			break
  9051  		}
  9052  		dst := v_0
  9053  		src := v_1
  9054  		mem := v_2
  9055  		v.reset(Op386MOVLstore)
  9056  		v.AuxInt = int32ToAuxInt(3)
  9057  		v0 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9058  		v0.AuxInt = int32ToAuxInt(3)
  9059  		v0.AddArg2(src, mem)
  9060  		v1 := b.NewValue0(v.Pos, Op386MOVLstore, types.TypeMem)
  9061  		v2 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9062  		v2.AddArg2(src, mem)
  9063  		v1.AddArg3(dst, v2, mem)
  9064  		v.AddArg3(dst, v0, v1)
  9065  		return true
  9066  	}
  9067  	// match: (Move [8] dst src mem)
  9068  	// result: (MOVLstore [4] dst (MOVLload [4] src mem) (MOVLstore dst (MOVLload src mem) mem))
  9069  	for {
  9070  		if auxIntToInt64(v.AuxInt) != 8 {
  9071  			break
  9072  		}
  9073  		dst := v_0
  9074  		src := v_1
  9075  		mem := v_2
  9076  		v.reset(Op386MOVLstore)
  9077  		v.AuxInt = int32ToAuxInt(4)
  9078  		v0 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9079  		v0.AuxInt = int32ToAuxInt(4)
  9080  		v0.AddArg2(src, mem)
  9081  		v1 := b.NewValue0(v.Pos, Op386MOVLstore, types.TypeMem)
  9082  		v2 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9083  		v2.AddArg2(src, mem)
  9084  		v1.AddArg3(dst, v2, mem)
  9085  		v.AddArg3(dst, v0, v1)
  9086  		return true
  9087  	}
  9088  	// match: (Move [s] dst src mem)
  9089  	// cond: s > 8 && s%4 != 0
  9090  	// 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))
  9091  	for {
  9092  		s := auxIntToInt64(v.AuxInt)
  9093  		dst := v_0
  9094  		src := v_1
  9095  		mem := v_2
  9096  		if !(s > 8 && s%4 != 0) {
  9097  			break
  9098  		}
  9099  		v.reset(OpMove)
  9100  		v.AuxInt = int64ToAuxInt(s - s%4)
  9101  		v0 := b.NewValue0(v.Pos, Op386ADDLconst, dst.Type)
  9102  		v0.AuxInt = int32ToAuxInt(int32(s % 4))
  9103  		v0.AddArg(dst)
  9104  		v1 := b.NewValue0(v.Pos, Op386ADDLconst, src.Type)
  9105  		v1.AuxInt = int32ToAuxInt(int32(s % 4))
  9106  		v1.AddArg(src)
  9107  		v2 := b.NewValue0(v.Pos, Op386MOVLstore, types.TypeMem)
  9108  		v3 := b.NewValue0(v.Pos, Op386MOVLload, typ.UInt32)
  9109  		v3.AddArg2(src, mem)
  9110  		v2.AddArg3(dst, v3, mem)
  9111  		v.AddArg3(v0, v1, v2)
  9112  		return true
  9113  	}
  9114  	// match: (Move [s] dst src mem)
  9115  	// cond: s > 8 && s <= 4*128 && s%4 == 0 && logLargeCopy(v, s)
  9116  	// result: (DUFFCOPY [10*(128-s/4)] dst src mem)
  9117  	for {
  9118  		s := auxIntToInt64(v.AuxInt)
  9119  		dst := v_0
  9120  		src := v_1
  9121  		mem := v_2
  9122  		if !(s > 8 && s <= 4*128 && s%4 == 0 && logLargeCopy(v, s)) {
  9123  			break
  9124  		}
  9125  		v.reset(Op386DUFFCOPY)
  9126  		v.AuxInt = int64ToAuxInt(10 * (128 - s/4))
  9127  		v.AddArg3(dst, src, mem)
  9128  		return true
  9129  	}
  9130  	// match: (Move [s] dst src mem)
  9131  	// cond: s > 4*128 && s%4 == 0 && logLargeCopy(v, s)
  9132  	// result: (REPMOVSL dst src (MOVLconst [int32(s/4)]) mem)
  9133  	for {
  9134  		s := auxIntToInt64(v.AuxInt)
  9135  		dst := v_0
  9136  		src := v_1
  9137  		mem := v_2
  9138  		if !(s > 4*128 && s%4 == 0 && logLargeCopy(v, s)) {
  9139  			break
  9140  		}
  9141  		v.reset(Op386REPMOVSL)
  9142  		v0 := b.NewValue0(v.Pos, Op386MOVLconst, typ.UInt32)
  9143  		v0.AuxInt = int32ToAuxInt(int32(s / 4))
  9144  		v.AddArg4(dst, src, v0, mem)
  9145  		return true
  9146  	}
  9147  	return false
  9148  }
  9149  func rewriteValue386_OpNeg32F(v *Value) bool {
  9150  	v_0 := v.Args[0]
  9151  	b := v.Block
  9152  	typ := &b.Func.Config.Types
  9153  	// match: (Neg32F x)
  9154  	// result: (PXOR x (MOVSSconst <typ.Float32> [float32(math.Copysign(0, -1))]))
  9155  	for {
  9156  		x := v_0
  9157  		v.reset(Op386PXOR)
  9158  		v0 := b.NewValue0(v.Pos, Op386MOVSSconst, typ.Float32)
  9159  		v0.AuxInt = float32ToAuxInt(float32(math.Copysign(0, -1)))
  9160  		v.AddArg2(x, v0)
  9161  		return true
  9162  	}
  9163  }
  9164  func rewriteValue386_OpNeg64F(v *Value) bool {
  9165  	v_0 := v.Args[0]
  9166  	b := v.Block
  9167  	typ := &b.Func.Config.Types
  9168  	// match: (Neg64F x)
  9169  	// result: (PXOR x (MOVSDconst <typ.Float64> [math.Copysign(0, -1)]))
  9170  	for {
  9171  		x := v_0
  9172  		v.reset(Op386PXOR)
  9173  		v0 := b.NewValue0(v.Pos, Op386MOVSDconst, typ.Float64)
  9174  		v0.AuxInt = float64ToAuxInt(math.Copysign(0, -1))
  9175  		v.AddArg2(x, v0)
  9176  		return true
  9177  	}
  9178  }
  9179  func rewriteValue386_OpNeq16(v *Value) bool {
  9180  	v_1 := v.Args[1]
  9181  	v_0 := v.Args[0]
  9182  	b := v.Block
  9183  	// match: (Neq16 x y)
  9184  	// result: (SETNE (CMPW x y))
  9185  	for {
  9186  		x := v_0
  9187  		y := v_1
  9188  		v.reset(Op386SETNE)
  9189  		v0 := b.NewValue0(v.Pos, Op386CMPW, types.TypeFlags)
  9190  		v0.AddArg2(x, y)
  9191  		v.AddArg(v0)
  9192  		return true
  9193  	}
  9194  }
  9195  func rewriteValue386_OpNeq32(v *Value) bool {
  9196  	v_1 := v.Args[1]
  9197  	v_0 := v.Args[0]
  9198  	b := v.Block
  9199  	// match: (Neq32 x y)
  9200  	// result: (SETNE (CMPL x y))
  9201  	for {
  9202  		x := v_0
  9203  		y := v_1
  9204  		v.reset(Op386SETNE)
  9205  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  9206  		v0.AddArg2(x, y)
  9207  		v.AddArg(v0)
  9208  		return true
  9209  	}
  9210  }
  9211  func rewriteValue386_OpNeq32F(v *Value) bool {
  9212  	v_1 := v.Args[1]
  9213  	v_0 := v.Args[0]
  9214  	b := v.Block
  9215  	// match: (Neq32F x y)
  9216  	// result: (SETNEF (UCOMISS x y))
  9217  	for {
  9218  		x := v_0
  9219  		y := v_1
  9220  		v.reset(Op386SETNEF)
  9221  		v0 := b.NewValue0(v.Pos, Op386UCOMISS, types.TypeFlags)
  9222  		v0.AddArg2(x, y)
  9223  		v.AddArg(v0)
  9224  		return true
  9225  	}
  9226  }
  9227  func rewriteValue386_OpNeq64F(v *Value) bool {
  9228  	v_1 := v.Args[1]
  9229  	v_0 := v.Args[0]
  9230  	b := v.Block
  9231  	// match: (Neq64F x y)
  9232  	// result: (SETNEF (UCOMISD x y))
  9233  	for {
  9234  		x := v_0
  9235  		y := v_1
  9236  		v.reset(Op386SETNEF)
  9237  		v0 := b.NewValue0(v.Pos, Op386UCOMISD, types.TypeFlags)
  9238  		v0.AddArg2(x, y)
  9239  		v.AddArg(v0)
  9240  		return true
  9241  	}
  9242  }
  9243  func rewriteValue386_OpNeq8(v *Value) bool {
  9244  	v_1 := v.Args[1]
  9245  	v_0 := v.Args[0]
  9246  	b := v.Block
  9247  	// match: (Neq8 x y)
  9248  	// result: (SETNE (CMPB x y))
  9249  	for {
  9250  		x := v_0
  9251  		y := v_1
  9252  		v.reset(Op386SETNE)
  9253  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  9254  		v0.AddArg2(x, y)
  9255  		v.AddArg(v0)
  9256  		return true
  9257  	}
  9258  }
  9259  func rewriteValue386_OpNeqB(v *Value) bool {
  9260  	v_1 := v.Args[1]
  9261  	v_0 := v.Args[0]
  9262  	b := v.Block
  9263  	// match: (NeqB x y)
  9264  	// result: (SETNE (CMPB x y))
  9265  	for {
  9266  		x := v_0
  9267  		y := v_1
  9268  		v.reset(Op386SETNE)
  9269  		v0 := b.NewValue0(v.Pos, Op386CMPB, types.TypeFlags)
  9270  		v0.AddArg2(x, y)
  9271  		v.AddArg(v0)
  9272  		return true
  9273  	}
  9274  }
  9275  func rewriteValue386_OpNeqPtr(v *Value) bool {
  9276  	v_1 := v.Args[1]
  9277  	v_0 := v.Args[0]
  9278  	b := v.Block
  9279  	// match: (NeqPtr x y)
  9280  	// result: (SETNE (CMPL x y))
  9281  	for {
  9282  		x := v_0
  9283  		y := v_1
  9284  		v.reset(Op386SETNE)
  9285  		v0 := b.NewValue0(v.Pos, Op386CMPL, types.TypeFlags)
  9286  		v0.AddArg2(x, y)
  9287  		v.AddArg(v0)
  9288  		return true
  9289  	}
  9290  }
  9291  func rewriteValue386_OpNot(v *Value) bool {
  9292  	v_0 := v.Args[0]
  9293  	// match: (Not x)
  9294  	// result: (XORLconst [1] x)
  9295  	for {
  9296  		x := v_0
  9297  		v.reset(Op386XORLconst)
  9298  		v.AuxInt = int32ToAuxInt(1)
  9299  		v.AddArg(x)
  9300  		return true
  9301  	}
  9302  }
  9303  func rewriteValue386_OpOffPtr(v *Value) bool {
  9304  	v_0 := v.Args[0]
  9305  	// match: (OffPtr [off] ptr)
  9306  	// result: (ADDLconst [int32(off)] ptr)
  9307  	for {
  9308  		off := auxIntToInt64(v.AuxInt)
  9309  		ptr := v_0
  9310  		v.reset(Op386ADDLconst)
  9311  		v.AuxInt = int32ToAuxInt(int32(off))
  9312  		v.AddArg(ptr)
  9313  		return true
  9314  	}
  9315  }
  9316  func rewriteValue386_OpPanicBounds(v *Value) bool {
  9317  	v_2 := v.Args[2]
  9318  	v_1 := v.Args[1]
  9319  	v_0 := v.Args[0]
  9320  	// match: (PanicBounds [kind] x y mem)
  9321  	// cond: boundsABI(kind) == 0
  9322  	// result: (LoweredPanicBoundsA [kind] x y mem)
  9323  	for {
  9324  		kind := auxIntToInt64(v.AuxInt)
  9325  		x := v_0
  9326  		y := v_1
  9327  		mem := v_2
  9328  		if !(boundsABI(kind) == 0) {
  9329  			break
  9330  		}
  9331  		v.reset(Op386LoweredPanicBoundsA)
  9332  		v.AuxInt = int64ToAuxInt(kind)
  9333  		v.AddArg3(x, y, mem)
  9334  		return true
  9335  	}
  9336  	// match: (PanicBounds [kind] x y mem)
  9337  	// cond: boundsABI(kind) == 1
  9338  	// result: (LoweredPanicBoundsB [kind] x y mem)
  9339  	for {
  9340  		kind := auxIntToInt64(v.AuxInt)
  9341  		x := v_0
  9342  		y := v_1
  9343  		mem := v_2
  9344  		if !(boundsABI(kind) == 1) {
  9345  			break
  9346  		}
  9347  		v.reset(Op386LoweredPanicBoundsB)
  9348  		v.AuxInt = int64ToAuxInt(kind)
  9349  		v.AddArg3(x, y, mem)
  9350  		return true
  9351  	}
  9352  	// match: (PanicBounds [kind] x y mem)
  9353  	// cond: boundsABI(kind) == 2
  9354  	// result: (LoweredPanicBoundsC [kind] x y mem)
  9355  	for {
  9356  		kind := auxIntToInt64(v.AuxInt)
  9357  		x := v_0
  9358  		y := v_1
  9359  		mem := v_2
  9360  		if !(boundsABI(kind) == 2) {
  9361  			break
  9362  		}
  9363  		v.reset(Op386LoweredPanicBoundsC)
  9364  		v.AuxInt = int64ToAuxInt(kind)
  9365  		v.AddArg3(x, y, mem)
  9366  		return true
  9367  	}
  9368  	return false
  9369  }
  9370  func rewriteValue386_OpPanicExtend(v *Value) bool {
  9371  	v_3 := v.Args[3]
  9372  	v_2 := v.Args[2]
  9373  	v_1 := v.Args[1]
  9374  	v_0 := v.Args[0]
  9375  	// match: (PanicExtend [kind] hi lo y mem)
  9376  	// cond: boundsABI(kind) == 0
  9377  	// result: (LoweredPanicExtendA [kind] hi lo y mem)
  9378  	for {
  9379  		kind := auxIntToInt64(v.AuxInt)
  9380  		hi := v_0
  9381  		lo := v_1
  9382  		y := v_2
  9383  		mem := v_3
  9384  		if !(boundsABI(kind) == 0) {
  9385  			break
  9386  		}
  9387  		v.reset(Op386LoweredPanicExtendA)
  9388  		v.AuxInt = int64ToAuxInt(kind)
  9389  		v.AddArg4(hi, lo, y, mem)
  9390  		return true
  9391  	}
  9392  	// match: (PanicExtend [kind] hi lo y mem)
  9393  	// cond: boundsABI(kind) == 1
  9394  	// result: (LoweredPanicExtendB [kind] hi lo y mem)
  9395  	for {
  9396  		kind := auxIntToInt64(v.AuxInt)
  9397  		hi := v_0
  9398  		lo := v_1
  9399  		y := v_2
  9400  		mem := v_3
  9401  		if !(boundsABI(kind) == 1) {
  9402  			break
  9403  		}
  9404  		v.reset(Op386LoweredPanicExtendB)
  9405  		v.AuxInt = int64ToAuxInt(kind)
  9406  		v.AddArg4(hi, lo, y, mem)
  9407  		return true
  9408  	}
  9409  	// match: (PanicExtend [kind] hi lo y mem)
  9410  	// cond: boundsABI(kind) == 2
  9411  	// result: (LoweredPanicExtendC [kind] hi lo y mem)
  9412  	for {
  9413  		kind := auxIntToInt64(v.AuxInt)
  9414  		hi := v_0
  9415  		lo := v_1
  9416  		y := v_2
  9417  		mem := v_3
  9418  		if !(boundsABI(kind) == 2) {
  9419  			break
  9420  		}
  9421  		v.reset(Op386LoweredPanicExtendC)
  9422  		v.AuxInt = int64ToAuxInt(kind)
  9423  		v.AddArg4(hi, lo, y, mem)
  9424  		return true
  9425  	}
  9426  	return false
  9427  }
  9428  func rewriteValue386_OpRsh16Ux16(v *Value) bool {
  9429  	v_1 := v.Args[1]
  9430  	v_0 := v.Args[0]
  9431  	b := v.Block
  9432  	// match: (Rsh16Ux16 <t> x y)
  9433  	// cond: !shiftIsBounded(v)
  9434  	// result: (ANDL (SHRW <t> x y) (SBBLcarrymask <t> (CMPWconst y [16])))
  9435  	for {
  9436  		t := v.Type
  9437  		x := v_0
  9438  		y := v_1
  9439  		if !(!shiftIsBounded(v)) {
  9440  			break
  9441  		}
  9442  		v.reset(Op386ANDL)
  9443  		v0 := b.NewValue0(v.Pos, Op386SHRW, t)
  9444  		v0.AddArg2(x, y)
  9445  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9446  		v2 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  9447  		v2.AuxInt = int16ToAuxInt(16)
  9448  		v2.AddArg(y)
  9449  		v1.AddArg(v2)
  9450  		v.AddArg2(v0, v1)
  9451  		return true
  9452  	}
  9453  	// match: (Rsh16Ux16 <t> x y)
  9454  	// cond: shiftIsBounded(v)
  9455  	// result: (SHRW <t> x y)
  9456  	for {
  9457  		t := v.Type
  9458  		x := v_0
  9459  		y := v_1
  9460  		if !(shiftIsBounded(v)) {
  9461  			break
  9462  		}
  9463  		v.reset(Op386SHRW)
  9464  		v.Type = t
  9465  		v.AddArg2(x, y)
  9466  		return true
  9467  	}
  9468  	return false
  9469  }
  9470  func rewriteValue386_OpRsh16Ux32(v *Value) bool {
  9471  	v_1 := v.Args[1]
  9472  	v_0 := v.Args[0]
  9473  	b := v.Block
  9474  	// match: (Rsh16Ux32 <t> x y)
  9475  	// cond: !shiftIsBounded(v)
  9476  	// result: (ANDL (SHRW <t> x y) (SBBLcarrymask <t> (CMPLconst y [16])))
  9477  	for {
  9478  		t := v.Type
  9479  		x := v_0
  9480  		y := v_1
  9481  		if !(!shiftIsBounded(v)) {
  9482  			break
  9483  		}
  9484  		v.reset(Op386ANDL)
  9485  		v0 := b.NewValue0(v.Pos, Op386SHRW, t)
  9486  		v0.AddArg2(x, y)
  9487  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9488  		v2 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  9489  		v2.AuxInt = int32ToAuxInt(16)
  9490  		v2.AddArg(y)
  9491  		v1.AddArg(v2)
  9492  		v.AddArg2(v0, v1)
  9493  		return true
  9494  	}
  9495  	// match: (Rsh16Ux32 <t> x y)
  9496  	// cond: shiftIsBounded(v)
  9497  	// result: (SHRW <t> x y)
  9498  	for {
  9499  		t := v.Type
  9500  		x := v_0
  9501  		y := v_1
  9502  		if !(shiftIsBounded(v)) {
  9503  			break
  9504  		}
  9505  		v.reset(Op386SHRW)
  9506  		v.Type = t
  9507  		v.AddArg2(x, y)
  9508  		return true
  9509  	}
  9510  	return false
  9511  }
  9512  func rewriteValue386_OpRsh16Ux64(v *Value) bool {
  9513  	v_1 := v.Args[1]
  9514  	v_0 := v.Args[0]
  9515  	// match: (Rsh16Ux64 x (Const64 [c]))
  9516  	// cond: uint64(c) < 16
  9517  	// result: (SHRWconst x [int16(c)])
  9518  	for {
  9519  		x := v_0
  9520  		if v_1.Op != OpConst64 {
  9521  			break
  9522  		}
  9523  		c := auxIntToInt64(v_1.AuxInt)
  9524  		if !(uint64(c) < 16) {
  9525  			break
  9526  		}
  9527  		v.reset(Op386SHRWconst)
  9528  		v.AuxInt = int16ToAuxInt(int16(c))
  9529  		v.AddArg(x)
  9530  		return true
  9531  	}
  9532  	// match: (Rsh16Ux64 _ (Const64 [c]))
  9533  	// cond: uint64(c) >= 16
  9534  	// result: (Const16 [0])
  9535  	for {
  9536  		if v_1.Op != OpConst64 {
  9537  			break
  9538  		}
  9539  		c := auxIntToInt64(v_1.AuxInt)
  9540  		if !(uint64(c) >= 16) {
  9541  			break
  9542  		}
  9543  		v.reset(OpConst16)
  9544  		v.AuxInt = int16ToAuxInt(0)
  9545  		return true
  9546  	}
  9547  	return false
  9548  }
  9549  func rewriteValue386_OpRsh16Ux8(v *Value) bool {
  9550  	v_1 := v.Args[1]
  9551  	v_0 := v.Args[0]
  9552  	b := v.Block
  9553  	// match: (Rsh16Ux8 <t> x y)
  9554  	// cond: !shiftIsBounded(v)
  9555  	// result: (ANDL (SHRW <t> x y) (SBBLcarrymask <t> (CMPBconst y [16])))
  9556  	for {
  9557  		t := v.Type
  9558  		x := v_0
  9559  		y := v_1
  9560  		if !(!shiftIsBounded(v)) {
  9561  			break
  9562  		}
  9563  		v.reset(Op386ANDL)
  9564  		v0 := b.NewValue0(v.Pos, Op386SHRW, t)
  9565  		v0.AddArg2(x, y)
  9566  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9567  		v2 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
  9568  		v2.AuxInt = int8ToAuxInt(16)
  9569  		v2.AddArg(y)
  9570  		v1.AddArg(v2)
  9571  		v.AddArg2(v0, v1)
  9572  		return true
  9573  	}
  9574  	// match: (Rsh16Ux8 <t> x y)
  9575  	// cond: shiftIsBounded(v)
  9576  	// result: (SHRW <t> x y)
  9577  	for {
  9578  		t := v.Type
  9579  		x := v_0
  9580  		y := v_1
  9581  		if !(shiftIsBounded(v)) {
  9582  			break
  9583  		}
  9584  		v.reset(Op386SHRW)
  9585  		v.Type = t
  9586  		v.AddArg2(x, y)
  9587  		return true
  9588  	}
  9589  	return false
  9590  }
  9591  func rewriteValue386_OpRsh16x16(v *Value) bool {
  9592  	v_1 := v.Args[1]
  9593  	v_0 := v.Args[0]
  9594  	b := v.Block
  9595  	// match: (Rsh16x16 <t> x y)
  9596  	// cond: !shiftIsBounded(v)
  9597  	// result: (SARW <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPWconst y [16])))))
  9598  	for {
  9599  		t := v.Type
  9600  		x := v_0
  9601  		y := v_1
  9602  		if !(!shiftIsBounded(v)) {
  9603  			break
  9604  		}
  9605  		v.reset(Op386SARW)
  9606  		v.Type = t
  9607  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
  9608  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
  9609  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
  9610  		v3 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  9611  		v3.AuxInt = int16ToAuxInt(16)
  9612  		v3.AddArg(y)
  9613  		v2.AddArg(v3)
  9614  		v1.AddArg(v2)
  9615  		v0.AddArg2(y, v1)
  9616  		v.AddArg2(x, v0)
  9617  		return true
  9618  	}
  9619  	// match: (Rsh16x16 <t> x y)
  9620  	// cond: shiftIsBounded(v)
  9621  	// result: (SARW x y)
  9622  	for {
  9623  		x := v_0
  9624  		y := v_1
  9625  		if !(shiftIsBounded(v)) {
  9626  			break
  9627  		}
  9628  		v.reset(Op386SARW)
  9629  		v.AddArg2(x, y)
  9630  		return true
  9631  	}
  9632  	return false
  9633  }
  9634  func rewriteValue386_OpRsh16x32(v *Value) bool {
  9635  	v_1 := v.Args[1]
  9636  	v_0 := v.Args[0]
  9637  	b := v.Block
  9638  	// match: (Rsh16x32 <t> x y)
  9639  	// cond: !shiftIsBounded(v)
  9640  	// result: (SARW <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPLconst y [16])))))
  9641  	for {
  9642  		t := v.Type
  9643  		x := v_0
  9644  		y := v_1
  9645  		if !(!shiftIsBounded(v)) {
  9646  			break
  9647  		}
  9648  		v.reset(Op386SARW)
  9649  		v.Type = t
  9650  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
  9651  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
  9652  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
  9653  		v3 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  9654  		v3.AuxInt = int32ToAuxInt(16)
  9655  		v3.AddArg(y)
  9656  		v2.AddArg(v3)
  9657  		v1.AddArg(v2)
  9658  		v0.AddArg2(y, v1)
  9659  		v.AddArg2(x, v0)
  9660  		return true
  9661  	}
  9662  	// match: (Rsh16x32 <t> x y)
  9663  	// cond: shiftIsBounded(v)
  9664  	// result: (SARW x y)
  9665  	for {
  9666  		x := v_0
  9667  		y := v_1
  9668  		if !(shiftIsBounded(v)) {
  9669  			break
  9670  		}
  9671  		v.reset(Op386SARW)
  9672  		v.AddArg2(x, y)
  9673  		return true
  9674  	}
  9675  	return false
  9676  }
  9677  func rewriteValue386_OpRsh16x64(v *Value) bool {
  9678  	v_1 := v.Args[1]
  9679  	v_0 := v.Args[0]
  9680  	// match: (Rsh16x64 x (Const64 [c]))
  9681  	// cond: uint64(c) < 16
  9682  	// result: (SARWconst x [int16(c)])
  9683  	for {
  9684  		x := v_0
  9685  		if v_1.Op != OpConst64 {
  9686  			break
  9687  		}
  9688  		c := auxIntToInt64(v_1.AuxInt)
  9689  		if !(uint64(c) < 16) {
  9690  			break
  9691  		}
  9692  		v.reset(Op386SARWconst)
  9693  		v.AuxInt = int16ToAuxInt(int16(c))
  9694  		v.AddArg(x)
  9695  		return true
  9696  	}
  9697  	// match: (Rsh16x64 x (Const64 [c]))
  9698  	// cond: uint64(c) >= 16
  9699  	// result: (SARWconst x [15])
  9700  	for {
  9701  		x := v_0
  9702  		if v_1.Op != OpConst64 {
  9703  			break
  9704  		}
  9705  		c := auxIntToInt64(v_1.AuxInt)
  9706  		if !(uint64(c) >= 16) {
  9707  			break
  9708  		}
  9709  		v.reset(Op386SARWconst)
  9710  		v.AuxInt = int16ToAuxInt(15)
  9711  		v.AddArg(x)
  9712  		return true
  9713  	}
  9714  	return false
  9715  }
  9716  func rewriteValue386_OpRsh16x8(v *Value) bool {
  9717  	v_1 := v.Args[1]
  9718  	v_0 := v.Args[0]
  9719  	b := v.Block
  9720  	// match: (Rsh16x8 <t> x y)
  9721  	// cond: !shiftIsBounded(v)
  9722  	// result: (SARW <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPBconst y [16])))))
  9723  	for {
  9724  		t := v.Type
  9725  		x := v_0
  9726  		y := v_1
  9727  		if !(!shiftIsBounded(v)) {
  9728  			break
  9729  		}
  9730  		v.reset(Op386SARW)
  9731  		v.Type = t
  9732  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
  9733  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
  9734  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
  9735  		v3 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
  9736  		v3.AuxInt = int8ToAuxInt(16)
  9737  		v3.AddArg(y)
  9738  		v2.AddArg(v3)
  9739  		v1.AddArg(v2)
  9740  		v0.AddArg2(y, v1)
  9741  		v.AddArg2(x, v0)
  9742  		return true
  9743  	}
  9744  	// match: (Rsh16x8 <t> x y)
  9745  	// cond: shiftIsBounded(v)
  9746  	// result: (SARW x y)
  9747  	for {
  9748  		x := v_0
  9749  		y := v_1
  9750  		if !(shiftIsBounded(v)) {
  9751  			break
  9752  		}
  9753  		v.reset(Op386SARW)
  9754  		v.AddArg2(x, y)
  9755  		return true
  9756  	}
  9757  	return false
  9758  }
  9759  func rewriteValue386_OpRsh32Ux16(v *Value) bool {
  9760  	v_1 := v.Args[1]
  9761  	v_0 := v.Args[0]
  9762  	b := v.Block
  9763  	// match: (Rsh32Ux16 <t> x y)
  9764  	// cond: !shiftIsBounded(v)
  9765  	// result: (ANDL (SHRL <t> x y) (SBBLcarrymask <t> (CMPWconst y [32])))
  9766  	for {
  9767  		t := v.Type
  9768  		x := v_0
  9769  		y := v_1
  9770  		if !(!shiftIsBounded(v)) {
  9771  			break
  9772  		}
  9773  		v.reset(Op386ANDL)
  9774  		v0 := b.NewValue0(v.Pos, Op386SHRL, t)
  9775  		v0.AddArg2(x, y)
  9776  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9777  		v2 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  9778  		v2.AuxInt = int16ToAuxInt(32)
  9779  		v2.AddArg(y)
  9780  		v1.AddArg(v2)
  9781  		v.AddArg2(v0, v1)
  9782  		return true
  9783  	}
  9784  	// match: (Rsh32Ux16 <t> x y)
  9785  	// cond: shiftIsBounded(v)
  9786  	// result: (SHRL <t> x y)
  9787  	for {
  9788  		t := v.Type
  9789  		x := v_0
  9790  		y := v_1
  9791  		if !(shiftIsBounded(v)) {
  9792  			break
  9793  		}
  9794  		v.reset(Op386SHRL)
  9795  		v.Type = t
  9796  		v.AddArg2(x, y)
  9797  		return true
  9798  	}
  9799  	return false
  9800  }
  9801  func rewriteValue386_OpRsh32Ux32(v *Value) bool {
  9802  	v_1 := v.Args[1]
  9803  	v_0 := v.Args[0]
  9804  	b := v.Block
  9805  	// match: (Rsh32Ux32 <t> x y)
  9806  	// cond: !shiftIsBounded(v)
  9807  	// result: (ANDL (SHRL <t> x y) (SBBLcarrymask <t> (CMPLconst y [32])))
  9808  	for {
  9809  		t := v.Type
  9810  		x := v_0
  9811  		y := v_1
  9812  		if !(!shiftIsBounded(v)) {
  9813  			break
  9814  		}
  9815  		v.reset(Op386ANDL)
  9816  		v0 := b.NewValue0(v.Pos, Op386SHRL, t)
  9817  		v0.AddArg2(x, y)
  9818  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9819  		v2 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  9820  		v2.AuxInt = int32ToAuxInt(32)
  9821  		v2.AddArg(y)
  9822  		v1.AddArg(v2)
  9823  		v.AddArg2(v0, v1)
  9824  		return true
  9825  	}
  9826  	// match: (Rsh32Ux32 <t> x y)
  9827  	// cond: shiftIsBounded(v)
  9828  	// result: (SHRL <t> x y)
  9829  	for {
  9830  		t := v.Type
  9831  		x := v_0
  9832  		y := v_1
  9833  		if !(shiftIsBounded(v)) {
  9834  			break
  9835  		}
  9836  		v.reset(Op386SHRL)
  9837  		v.Type = t
  9838  		v.AddArg2(x, y)
  9839  		return true
  9840  	}
  9841  	return false
  9842  }
  9843  func rewriteValue386_OpRsh32Ux64(v *Value) bool {
  9844  	v_1 := v.Args[1]
  9845  	v_0 := v.Args[0]
  9846  	// match: (Rsh32Ux64 x (Const64 [c]))
  9847  	// cond: uint64(c) < 32
  9848  	// result: (SHRLconst x [int32(c)])
  9849  	for {
  9850  		x := v_0
  9851  		if v_1.Op != OpConst64 {
  9852  			break
  9853  		}
  9854  		c := auxIntToInt64(v_1.AuxInt)
  9855  		if !(uint64(c) < 32) {
  9856  			break
  9857  		}
  9858  		v.reset(Op386SHRLconst)
  9859  		v.AuxInt = int32ToAuxInt(int32(c))
  9860  		v.AddArg(x)
  9861  		return true
  9862  	}
  9863  	// match: (Rsh32Ux64 _ (Const64 [c]))
  9864  	// cond: uint64(c) >= 32
  9865  	// result: (Const32 [0])
  9866  	for {
  9867  		if v_1.Op != OpConst64 {
  9868  			break
  9869  		}
  9870  		c := auxIntToInt64(v_1.AuxInt)
  9871  		if !(uint64(c) >= 32) {
  9872  			break
  9873  		}
  9874  		v.reset(OpConst32)
  9875  		v.AuxInt = int32ToAuxInt(0)
  9876  		return true
  9877  	}
  9878  	return false
  9879  }
  9880  func rewriteValue386_OpRsh32Ux8(v *Value) bool {
  9881  	v_1 := v.Args[1]
  9882  	v_0 := v.Args[0]
  9883  	b := v.Block
  9884  	// match: (Rsh32Ux8 <t> x y)
  9885  	// cond: !shiftIsBounded(v)
  9886  	// result: (ANDL (SHRL <t> x y) (SBBLcarrymask <t> (CMPBconst y [32])))
  9887  	for {
  9888  		t := v.Type
  9889  		x := v_0
  9890  		y := v_1
  9891  		if !(!shiftIsBounded(v)) {
  9892  			break
  9893  		}
  9894  		v.reset(Op386ANDL)
  9895  		v0 := b.NewValue0(v.Pos, Op386SHRL, t)
  9896  		v0.AddArg2(x, y)
  9897  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
  9898  		v2 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
  9899  		v2.AuxInt = int8ToAuxInt(32)
  9900  		v2.AddArg(y)
  9901  		v1.AddArg(v2)
  9902  		v.AddArg2(v0, v1)
  9903  		return true
  9904  	}
  9905  	// match: (Rsh32Ux8 <t> x y)
  9906  	// cond: shiftIsBounded(v)
  9907  	// result: (SHRL <t> x y)
  9908  	for {
  9909  		t := v.Type
  9910  		x := v_0
  9911  		y := v_1
  9912  		if !(shiftIsBounded(v)) {
  9913  			break
  9914  		}
  9915  		v.reset(Op386SHRL)
  9916  		v.Type = t
  9917  		v.AddArg2(x, y)
  9918  		return true
  9919  	}
  9920  	return false
  9921  }
  9922  func rewriteValue386_OpRsh32x16(v *Value) bool {
  9923  	v_1 := v.Args[1]
  9924  	v_0 := v.Args[0]
  9925  	b := v.Block
  9926  	// match: (Rsh32x16 <t> x y)
  9927  	// cond: !shiftIsBounded(v)
  9928  	// result: (SARL <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPWconst y [32])))))
  9929  	for {
  9930  		t := v.Type
  9931  		x := v_0
  9932  		y := v_1
  9933  		if !(!shiftIsBounded(v)) {
  9934  			break
  9935  		}
  9936  		v.reset(Op386SARL)
  9937  		v.Type = t
  9938  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
  9939  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
  9940  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
  9941  		v3 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
  9942  		v3.AuxInt = int16ToAuxInt(32)
  9943  		v3.AddArg(y)
  9944  		v2.AddArg(v3)
  9945  		v1.AddArg(v2)
  9946  		v0.AddArg2(y, v1)
  9947  		v.AddArg2(x, v0)
  9948  		return true
  9949  	}
  9950  	// match: (Rsh32x16 <t> x y)
  9951  	// cond: shiftIsBounded(v)
  9952  	// result: (SARL x y)
  9953  	for {
  9954  		x := v_0
  9955  		y := v_1
  9956  		if !(shiftIsBounded(v)) {
  9957  			break
  9958  		}
  9959  		v.reset(Op386SARL)
  9960  		v.AddArg2(x, y)
  9961  		return true
  9962  	}
  9963  	return false
  9964  }
  9965  func rewriteValue386_OpRsh32x32(v *Value) bool {
  9966  	v_1 := v.Args[1]
  9967  	v_0 := v.Args[0]
  9968  	b := v.Block
  9969  	// match: (Rsh32x32 <t> x y)
  9970  	// cond: !shiftIsBounded(v)
  9971  	// result: (SARL <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPLconst y [32])))))
  9972  	for {
  9973  		t := v.Type
  9974  		x := v_0
  9975  		y := v_1
  9976  		if !(!shiftIsBounded(v)) {
  9977  			break
  9978  		}
  9979  		v.reset(Op386SARL)
  9980  		v.Type = t
  9981  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
  9982  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
  9983  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
  9984  		v3 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
  9985  		v3.AuxInt = int32ToAuxInt(32)
  9986  		v3.AddArg(y)
  9987  		v2.AddArg(v3)
  9988  		v1.AddArg(v2)
  9989  		v0.AddArg2(y, v1)
  9990  		v.AddArg2(x, v0)
  9991  		return true
  9992  	}
  9993  	// match: (Rsh32x32 <t> x y)
  9994  	// cond: shiftIsBounded(v)
  9995  	// result: (SARL x y)
  9996  	for {
  9997  		x := v_0
  9998  		y := v_1
  9999  		if !(shiftIsBounded(v)) {
 10000  			break
 10001  		}
 10002  		v.reset(Op386SARL)
 10003  		v.AddArg2(x, y)
 10004  		return true
 10005  	}
 10006  	return false
 10007  }
 10008  func rewriteValue386_OpRsh32x64(v *Value) bool {
 10009  	v_1 := v.Args[1]
 10010  	v_0 := v.Args[0]
 10011  	// match: (Rsh32x64 x (Const64 [c]))
 10012  	// cond: uint64(c) < 32
 10013  	// result: (SARLconst x [int32(c)])
 10014  	for {
 10015  		x := v_0
 10016  		if v_1.Op != OpConst64 {
 10017  			break
 10018  		}
 10019  		c := auxIntToInt64(v_1.AuxInt)
 10020  		if !(uint64(c) < 32) {
 10021  			break
 10022  		}
 10023  		v.reset(Op386SARLconst)
 10024  		v.AuxInt = int32ToAuxInt(int32(c))
 10025  		v.AddArg(x)
 10026  		return true
 10027  	}
 10028  	// match: (Rsh32x64 x (Const64 [c]))
 10029  	// cond: uint64(c) >= 32
 10030  	// result: (SARLconst x [31])
 10031  	for {
 10032  		x := v_0
 10033  		if v_1.Op != OpConst64 {
 10034  			break
 10035  		}
 10036  		c := auxIntToInt64(v_1.AuxInt)
 10037  		if !(uint64(c) >= 32) {
 10038  			break
 10039  		}
 10040  		v.reset(Op386SARLconst)
 10041  		v.AuxInt = int32ToAuxInt(31)
 10042  		v.AddArg(x)
 10043  		return true
 10044  	}
 10045  	return false
 10046  }
 10047  func rewriteValue386_OpRsh32x8(v *Value) bool {
 10048  	v_1 := v.Args[1]
 10049  	v_0 := v.Args[0]
 10050  	b := v.Block
 10051  	// match: (Rsh32x8 <t> x y)
 10052  	// cond: !shiftIsBounded(v)
 10053  	// result: (SARL <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPBconst y [32])))))
 10054  	for {
 10055  		t := v.Type
 10056  		x := v_0
 10057  		y := v_1
 10058  		if !(!shiftIsBounded(v)) {
 10059  			break
 10060  		}
 10061  		v.reset(Op386SARL)
 10062  		v.Type = t
 10063  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
 10064  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
 10065  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
 10066  		v3 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
 10067  		v3.AuxInt = int8ToAuxInt(32)
 10068  		v3.AddArg(y)
 10069  		v2.AddArg(v3)
 10070  		v1.AddArg(v2)
 10071  		v0.AddArg2(y, v1)
 10072  		v.AddArg2(x, v0)
 10073  		return true
 10074  	}
 10075  	// match: (Rsh32x8 <t> x y)
 10076  	// cond: shiftIsBounded(v)
 10077  	// result: (SARL x y)
 10078  	for {
 10079  		x := v_0
 10080  		y := v_1
 10081  		if !(shiftIsBounded(v)) {
 10082  			break
 10083  		}
 10084  		v.reset(Op386SARL)
 10085  		v.AddArg2(x, y)
 10086  		return true
 10087  	}
 10088  	return false
 10089  }
 10090  func rewriteValue386_OpRsh8Ux16(v *Value) bool {
 10091  	v_1 := v.Args[1]
 10092  	v_0 := v.Args[0]
 10093  	b := v.Block
 10094  	// match: (Rsh8Ux16 <t> x y)
 10095  	// cond: !shiftIsBounded(v)
 10096  	// result: (ANDL (SHRB <t> x y) (SBBLcarrymask <t> (CMPWconst y [8])))
 10097  	for {
 10098  		t := v.Type
 10099  		x := v_0
 10100  		y := v_1
 10101  		if !(!shiftIsBounded(v)) {
 10102  			break
 10103  		}
 10104  		v.reset(Op386ANDL)
 10105  		v0 := b.NewValue0(v.Pos, Op386SHRB, t)
 10106  		v0.AddArg2(x, y)
 10107  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
 10108  		v2 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
 10109  		v2.AuxInt = int16ToAuxInt(8)
 10110  		v2.AddArg(y)
 10111  		v1.AddArg(v2)
 10112  		v.AddArg2(v0, v1)
 10113  		return true
 10114  	}
 10115  	// match: (Rsh8Ux16 <t> x y)
 10116  	// cond: shiftIsBounded(v)
 10117  	// result: (SHRB <t> x y)
 10118  	for {
 10119  		t := v.Type
 10120  		x := v_0
 10121  		y := v_1
 10122  		if !(shiftIsBounded(v)) {
 10123  			break
 10124  		}
 10125  		v.reset(Op386SHRB)
 10126  		v.Type = t
 10127  		v.AddArg2(x, y)
 10128  		return true
 10129  	}
 10130  	return false
 10131  }
 10132  func rewriteValue386_OpRsh8Ux32(v *Value) bool {
 10133  	v_1 := v.Args[1]
 10134  	v_0 := v.Args[0]
 10135  	b := v.Block
 10136  	// match: (Rsh8Ux32 <t> x y)
 10137  	// cond: !shiftIsBounded(v)
 10138  	// result: (ANDL (SHRB <t> x y) (SBBLcarrymask <t> (CMPLconst y [8])))
 10139  	for {
 10140  		t := v.Type
 10141  		x := v_0
 10142  		y := v_1
 10143  		if !(!shiftIsBounded(v)) {
 10144  			break
 10145  		}
 10146  		v.reset(Op386ANDL)
 10147  		v0 := b.NewValue0(v.Pos, Op386SHRB, t)
 10148  		v0.AddArg2(x, y)
 10149  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
 10150  		v2 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
 10151  		v2.AuxInt = int32ToAuxInt(8)
 10152  		v2.AddArg(y)
 10153  		v1.AddArg(v2)
 10154  		v.AddArg2(v0, v1)
 10155  		return true
 10156  	}
 10157  	// match: (Rsh8Ux32 <t> x y)
 10158  	// cond: shiftIsBounded(v)
 10159  	// result: (SHRB <t> x y)
 10160  	for {
 10161  		t := v.Type
 10162  		x := v_0
 10163  		y := v_1
 10164  		if !(shiftIsBounded(v)) {
 10165  			break
 10166  		}
 10167  		v.reset(Op386SHRB)
 10168  		v.Type = t
 10169  		v.AddArg2(x, y)
 10170  		return true
 10171  	}
 10172  	return false
 10173  }
 10174  func rewriteValue386_OpRsh8Ux64(v *Value) bool {
 10175  	v_1 := v.Args[1]
 10176  	v_0 := v.Args[0]
 10177  	// match: (Rsh8Ux64 x (Const64 [c]))
 10178  	// cond: uint64(c) < 8
 10179  	// result: (SHRBconst x [int8(c)])
 10180  	for {
 10181  		x := v_0
 10182  		if v_1.Op != OpConst64 {
 10183  			break
 10184  		}
 10185  		c := auxIntToInt64(v_1.AuxInt)
 10186  		if !(uint64(c) < 8) {
 10187  			break
 10188  		}
 10189  		v.reset(Op386SHRBconst)
 10190  		v.AuxInt = int8ToAuxInt(int8(c))
 10191  		v.AddArg(x)
 10192  		return true
 10193  	}
 10194  	// match: (Rsh8Ux64 _ (Const64 [c]))
 10195  	// cond: uint64(c) >= 8
 10196  	// result: (Const8 [0])
 10197  	for {
 10198  		if v_1.Op != OpConst64 {
 10199  			break
 10200  		}
 10201  		c := auxIntToInt64(v_1.AuxInt)
 10202  		if !(uint64(c) >= 8) {
 10203  			break
 10204  		}
 10205  		v.reset(OpConst8)
 10206  		v.AuxInt = int8ToAuxInt(0)
 10207  		return true
 10208  	}
 10209  	return false
 10210  }
 10211  func rewriteValue386_OpRsh8Ux8(v *Value) bool {
 10212  	v_1 := v.Args[1]
 10213  	v_0 := v.Args[0]
 10214  	b := v.Block
 10215  	// match: (Rsh8Ux8 <t> x y)
 10216  	// cond: !shiftIsBounded(v)
 10217  	// result: (ANDL (SHRB <t> x y) (SBBLcarrymask <t> (CMPBconst y [8])))
 10218  	for {
 10219  		t := v.Type
 10220  		x := v_0
 10221  		y := v_1
 10222  		if !(!shiftIsBounded(v)) {
 10223  			break
 10224  		}
 10225  		v.reset(Op386ANDL)
 10226  		v0 := b.NewValue0(v.Pos, Op386SHRB, t)
 10227  		v0.AddArg2(x, y)
 10228  		v1 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
 10229  		v2 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
 10230  		v2.AuxInt = int8ToAuxInt(8)
 10231  		v2.AddArg(y)
 10232  		v1.AddArg(v2)
 10233  		v.AddArg2(v0, v1)
 10234  		return true
 10235  	}
 10236  	// match: (Rsh8Ux8 <t> x y)
 10237  	// cond: shiftIsBounded(v)
 10238  	// result: (SHRB <t> x y)
 10239  	for {
 10240  		t := v.Type
 10241  		x := v_0
 10242  		y := v_1
 10243  		if !(shiftIsBounded(v)) {
 10244  			break
 10245  		}
 10246  		v.reset(Op386SHRB)
 10247  		v.Type = t
 10248  		v.AddArg2(x, y)
 10249  		return true
 10250  	}
 10251  	return false
 10252  }
 10253  func rewriteValue386_OpRsh8x16(v *Value) bool {
 10254  	v_1 := v.Args[1]
 10255  	v_0 := v.Args[0]
 10256  	b := v.Block
 10257  	// match: (Rsh8x16 <t> x y)
 10258  	// cond: !shiftIsBounded(v)
 10259  	// result: (SARB <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPWconst y [8])))))
 10260  	for {
 10261  		t := v.Type
 10262  		x := v_0
 10263  		y := v_1
 10264  		if !(!shiftIsBounded(v)) {
 10265  			break
 10266  		}
 10267  		v.reset(Op386SARB)
 10268  		v.Type = t
 10269  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
 10270  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
 10271  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
 10272  		v3 := b.NewValue0(v.Pos, Op386CMPWconst, types.TypeFlags)
 10273  		v3.AuxInt = int16ToAuxInt(8)
 10274  		v3.AddArg(y)
 10275  		v2.AddArg(v3)
 10276  		v1.AddArg(v2)
 10277  		v0.AddArg2(y, v1)
 10278  		v.AddArg2(x, v0)
 10279  		return true
 10280  	}
 10281  	// match: (Rsh8x16 <t> x y)
 10282  	// cond: shiftIsBounded(v)
 10283  	// result: (SARB x y)
 10284  	for {
 10285  		x := v_0
 10286  		y := v_1
 10287  		if !(shiftIsBounded(v)) {
 10288  			break
 10289  		}
 10290  		v.reset(Op386SARB)
 10291  		v.AddArg2(x, y)
 10292  		return true
 10293  	}
 10294  	return false
 10295  }
 10296  func rewriteValue386_OpRsh8x32(v *Value) bool {
 10297  	v_1 := v.Args[1]
 10298  	v_0 := v.Args[0]
 10299  	b := v.Block
 10300  	// match: (Rsh8x32 <t> x y)
 10301  	// cond: !shiftIsBounded(v)
 10302  	// result: (SARB <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPLconst y [8])))))
 10303  	for {
 10304  		t := v.Type
 10305  		x := v_0
 10306  		y := v_1
 10307  		if !(!shiftIsBounded(v)) {
 10308  			break
 10309  		}
 10310  		v.reset(Op386SARB)
 10311  		v.Type = t
 10312  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
 10313  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
 10314  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
 10315  		v3 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
 10316  		v3.AuxInt = int32ToAuxInt(8)
 10317  		v3.AddArg(y)
 10318  		v2.AddArg(v3)
 10319  		v1.AddArg(v2)
 10320  		v0.AddArg2(y, v1)
 10321  		v.AddArg2(x, v0)
 10322  		return true
 10323  	}
 10324  	// match: (Rsh8x32 <t> x y)
 10325  	// cond: shiftIsBounded(v)
 10326  	// result: (SARB x y)
 10327  	for {
 10328  		x := v_0
 10329  		y := v_1
 10330  		if !(shiftIsBounded(v)) {
 10331  			break
 10332  		}
 10333  		v.reset(Op386SARB)
 10334  		v.AddArg2(x, y)
 10335  		return true
 10336  	}
 10337  	return false
 10338  }
 10339  func rewriteValue386_OpRsh8x64(v *Value) bool {
 10340  	v_1 := v.Args[1]
 10341  	v_0 := v.Args[0]
 10342  	// match: (Rsh8x64 x (Const64 [c]))
 10343  	// cond: uint64(c) < 8
 10344  	// result: (SARBconst x [int8(c)])
 10345  	for {
 10346  		x := v_0
 10347  		if v_1.Op != OpConst64 {
 10348  			break
 10349  		}
 10350  		c := auxIntToInt64(v_1.AuxInt)
 10351  		if !(uint64(c) < 8) {
 10352  			break
 10353  		}
 10354  		v.reset(Op386SARBconst)
 10355  		v.AuxInt = int8ToAuxInt(int8(c))
 10356  		v.AddArg(x)
 10357  		return true
 10358  	}
 10359  	// match: (Rsh8x64 x (Const64 [c]))
 10360  	// cond: uint64(c) >= 8
 10361  	// result: (SARBconst x [7])
 10362  	for {
 10363  		x := v_0
 10364  		if v_1.Op != OpConst64 {
 10365  			break
 10366  		}
 10367  		c := auxIntToInt64(v_1.AuxInt)
 10368  		if !(uint64(c) >= 8) {
 10369  			break
 10370  		}
 10371  		v.reset(Op386SARBconst)
 10372  		v.AuxInt = int8ToAuxInt(7)
 10373  		v.AddArg(x)
 10374  		return true
 10375  	}
 10376  	return false
 10377  }
 10378  func rewriteValue386_OpRsh8x8(v *Value) bool {
 10379  	v_1 := v.Args[1]
 10380  	v_0 := v.Args[0]
 10381  	b := v.Block
 10382  	// match: (Rsh8x8 <t> x y)
 10383  	// cond: !shiftIsBounded(v)
 10384  	// result: (SARB <t> x (ORL <y.Type> y (NOTL <y.Type> (SBBLcarrymask <y.Type> (CMPBconst y [8])))))
 10385  	for {
 10386  		t := v.Type
 10387  		x := v_0
 10388  		y := v_1
 10389  		if !(!shiftIsBounded(v)) {
 10390  			break
 10391  		}
 10392  		v.reset(Op386SARB)
 10393  		v.Type = t
 10394  		v0 := b.NewValue0(v.Pos, Op386ORL, y.Type)
 10395  		v1 := b.NewValue0(v.Pos, Op386NOTL, y.Type)
 10396  		v2 := b.NewValue0(v.Pos, Op386SBBLcarrymask, y.Type)
 10397  		v3 := b.NewValue0(v.Pos, Op386CMPBconst, types.TypeFlags)
 10398  		v3.AuxInt = int8ToAuxInt(8)
 10399  		v3.AddArg(y)
 10400  		v2.AddArg(v3)
 10401  		v1.AddArg(v2)
 10402  		v0.AddArg2(y, v1)
 10403  		v.AddArg2(x, v0)
 10404  		return true
 10405  	}
 10406  	// match: (Rsh8x8 <t> x y)
 10407  	// cond: shiftIsBounded(v)
 10408  	// result: (SARB x y)
 10409  	for {
 10410  		x := v_0
 10411  		y := v_1
 10412  		if !(shiftIsBounded(v)) {
 10413  			break
 10414  		}
 10415  		v.reset(Op386SARB)
 10416  		v.AddArg2(x, y)
 10417  		return true
 10418  	}
 10419  	return false
 10420  }
 10421  func rewriteValue386_OpSelect0(v *Value) bool {
 10422  	v_0 := v.Args[0]
 10423  	b := v.Block
 10424  	typ := &b.Func.Config.Types
 10425  	// match: (Select0 (Mul32uover x y))
 10426  	// result: (Select0 <typ.UInt32> (MULLU x y))
 10427  	for {
 10428  		if v_0.Op != OpMul32uover {
 10429  			break
 10430  		}
 10431  		y := v_0.Args[1]
 10432  		x := v_0.Args[0]
 10433  		v.reset(OpSelect0)
 10434  		v.Type = typ.UInt32
 10435  		v0 := b.NewValue0(v.Pos, Op386MULLU, types.NewTuple(typ.UInt32, types.TypeFlags))
 10436  		v0.AddArg2(x, y)
 10437  		v.AddArg(v0)
 10438  		return true
 10439  	}
 10440  	return false
 10441  }
 10442  func rewriteValue386_OpSelect1(v *Value) bool {
 10443  	v_0 := v.Args[0]
 10444  	b := v.Block
 10445  	typ := &b.Func.Config.Types
 10446  	// match: (Select1 (Mul32uover x y))
 10447  	// result: (SETO (Select1 <types.TypeFlags> (MULLU x y)))
 10448  	for {
 10449  		if v_0.Op != OpMul32uover {
 10450  			break
 10451  		}
 10452  		y := v_0.Args[1]
 10453  		x := v_0.Args[0]
 10454  		v.reset(Op386SETO)
 10455  		v0 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags)
 10456  		v1 := b.NewValue0(v.Pos, Op386MULLU, types.NewTuple(typ.UInt32, types.TypeFlags))
 10457  		v1.AddArg2(x, y)
 10458  		v0.AddArg(v1)
 10459  		v.AddArg(v0)
 10460  		return true
 10461  	}
 10462  	return false
 10463  }
 10464  func rewriteValue386_OpSignmask(v *Value) bool {
 10465  	v_0 := v.Args[0]
 10466  	// match: (Signmask x)
 10467  	// result: (SARLconst x [31])
 10468  	for {
 10469  		x := v_0
 10470  		v.reset(Op386SARLconst)
 10471  		v.AuxInt = int32ToAuxInt(31)
 10472  		v.AddArg(x)
 10473  		return true
 10474  	}
 10475  }
 10476  func rewriteValue386_OpSlicemask(v *Value) bool {
 10477  	v_0 := v.Args[0]
 10478  	b := v.Block
 10479  	// match: (Slicemask <t> x)
 10480  	// result: (SARLconst (NEGL <t> x) [31])
 10481  	for {
 10482  		t := v.Type
 10483  		x := v_0
 10484  		v.reset(Op386SARLconst)
 10485  		v.AuxInt = int32ToAuxInt(31)
 10486  		v0 := b.NewValue0(v.Pos, Op386NEGL, t)
 10487  		v0.AddArg(x)
 10488  		v.AddArg(v0)
 10489  		return true
 10490  	}
 10491  }
 10492  func rewriteValue386_OpStore(v *Value) bool {
 10493  	v_2 := v.Args[2]
 10494  	v_1 := v.Args[1]
 10495  	v_0 := v.Args[0]
 10496  	// match: (Store {t} ptr val mem)
 10497  	// cond: t.Size() == 8 && t.IsFloat()
 10498  	// result: (MOVSDstore ptr val mem)
 10499  	for {
 10500  		t := auxToType(v.Aux)
 10501  		ptr := v_0
 10502  		val := v_1
 10503  		mem := v_2
 10504  		if !(t.Size() == 8 && t.IsFloat()) {
 10505  			break
 10506  		}
 10507  		v.reset(Op386MOVSDstore)
 10508  		v.AddArg3(ptr, val, mem)
 10509  		return true
 10510  	}
 10511  	// match: (Store {t} ptr val mem)
 10512  	// cond: t.Size() == 4 && t.IsFloat()
 10513  	// result: (MOVSSstore ptr val mem)
 10514  	for {
 10515  		t := auxToType(v.Aux)
 10516  		ptr := v_0
 10517  		val := v_1
 10518  		mem := v_2
 10519  		if !(t.Size() == 4 && t.IsFloat()) {
 10520  			break
 10521  		}
 10522  		v.reset(Op386MOVSSstore)
 10523  		v.AddArg3(ptr, val, mem)
 10524  		return true
 10525  	}
 10526  	// match: (Store {t} ptr val mem)
 10527  	// cond: t.Size() == 4 && !t.IsFloat()
 10528  	// result: (MOVLstore ptr val mem)
 10529  	for {
 10530  		t := auxToType(v.Aux)
 10531  		ptr := v_0
 10532  		val := v_1
 10533  		mem := v_2
 10534  		if !(t.Size() == 4 && !t.IsFloat()) {
 10535  			break
 10536  		}
 10537  		v.reset(Op386MOVLstore)
 10538  		v.AddArg3(ptr, val, mem)
 10539  		return true
 10540  	}
 10541  	// match: (Store {t} ptr val mem)
 10542  	// cond: t.Size() == 2
 10543  	// result: (MOVWstore ptr val mem)
 10544  	for {
 10545  		t := auxToType(v.Aux)
 10546  		ptr := v_0
 10547  		val := v_1
 10548  		mem := v_2
 10549  		if !(t.Size() == 2) {
 10550  			break
 10551  		}
 10552  		v.reset(Op386MOVWstore)
 10553  		v.AddArg3(ptr, val, mem)
 10554  		return true
 10555  	}
 10556  	// match: (Store {t} ptr val mem)
 10557  	// cond: t.Size() == 1
 10558  	// result: (MOVBstore ptr val mem)
 10559  	for {
 10560  		t := auxToType(v.Aux)
 10561  		ptr := v_0
 10562  		val := v_1
 10563  		mem := v_2
 10564  		if !(t.Size() == 1) {
 10565  			break
 10566  		}
 10567  		v.reset(Op386MOVBstore)
 10568  		v.AddArg3(ptr, val, mem)
 10569  		return true
 10570  	}
 10571  	return false
 10572  }
 10573  func rewriteValue386_OpZero(v *Value) bool {
 10574  	v_1 := v.Args[1]
 10575  	v_0 := v.Args[0]
 10576  	b := v.Block
 10577  	typ := &b.Func.Config.Types
 10578  	// match: (Zero [0] _ mem)
 10579  	// result: mem
 10580  	for {
 10581  		if auxIntToInt64(v.AuxInt) != 0 {
 10582  			break
 10583  		}
 10584  		mem := v_1
 10585  		v.copyOf(mem)
 10586  		return true
 10587  	}
 10588  	// match: (Zero [1] destptr mem)
 10589  	// result: (MOVBstoreconst [0] destptr mem)
 10590  	for {
 10591  		if auxIntToInt64(v.AuxInt) != 1 {
 10592  			break
 10593  		}
 10594  		destptr := v_0
 10595  		mem := v_1
 10596  		v.reset(Op386MOVBstoreconst)
 10597  		v.AuxInt = valAndOffToAuxInt(0)
 10598  		v.AddArg2(destptr, mem)
 10599  		return true
 10600  	}
 10601  	// match: (Zero [2] destptr mem)
 10602  	// result: (MOVWstoreconst [0] destptr mem)
 10603  	for {
 10604  		if auxIntToInt64(v.AuxInt) != 2 {
 10605  			break
 10606  		}
 10607  		destptr := v_0
 10608  		mem := v_1
 10609  		v.reset(Op386MOVWstoreconst)
 10610  		v.AuxInt = valAndOffToAuxInt(0)
 10611  		v.AddArg2(destptr, mem)
 10612  		return true
 10613  	}
 10614  	// match: (Zero [4] destptr mem)
 10615  	// result: (MOVLstoreconst [0] destptr mem)
 10616  	for {
 10617  		if auxIntToInt64(v.AuxInt) != 4 {
 10618  			break
 10619  		}
 10620  		destptr := v_0
 10621  		mem := v_1
 10622  		v.reset(Op386MOVLstoreconst)
 10623  		v.AuxInt = valAndOffToAuxInt(0)
 10624  		v.AddArg2(destptr, mem)
 10625  		return true
 10626  	}
 10627  	// match: (Zero [3] destptr mem)
 10628  	// result: (MOVBstoreconst [makeValAndOff(0,2)] destptr (MOVWstoreconst [makeValAndOff(0,0)] destptr mem))
 10629  	for {
 10630  		if auxIntToInt64(v.AuxInt) != 3 {
 10631  			break
 10632  		}
 10633  		destptr := v_0
 10634  		mem := v_1
 10635  		v.reset(Op386MOVBstoreconst)
 10636  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 2))
 10637  		v0 := b.NewValue0(v.Pos, Op386MOVWstoreconst, types.TypeMem)
 10638  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 10639  		v0.AddArg2(destptr, mem)
 10640  		v.AddArg2(destptr, v0)
 10641  		return true
 10642  	}
 10643  	// match: (Zero [5] destptr mem)
 10644  	// result: (MOVBstoreconst [makeValAndOff(0,4)] destptr (MOVLstoreconst [makeValAndOff(0,0)] destptr mem))
 10645  	for {
 10646  		if auxIntToInt64(v.AuxInt) != 5 {
 10647  			break
 10648  		}
 10649  		destptr := v_0
 10650  		mem := v_1
 10651  		v.reset(Op386MOVBstoreconst)
 10652  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 4))
 10653  		v0 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10654  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 10655  		v0.AddArg2(destptr, mem)
 10656  		v.AddArg2(destptr, v0)
 10657  		return true
 10658  	}
 10659  	// match: (Zero [6] destptr mem)
 10660  	// result: (MOVWstoreconst [makeValAndOff(0,4)] destptr (MOVLstoreconst [makeValAndOff(0,0)] destptr mem))
 10661  	for {
 10662  		if auxIntToInt64(v.AuxInt) != 6 {
 10663  			break
 10664  		}
 10665  		destptr := v_0
 10666  		mem := v_1
 10667  		v.reset(Op386MOVWstoreconst)
 10668  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 4))
 10669  		v0 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10670  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 10671  		v0.AddArg2(destptr, mem)
 10672  		v.AddArg2(destptr, v0)
 10673  		return true
 10674  	}
 10675  	// match: (Zero [7] destptr mem)
 10676  	// result: (MOVLstoreconst [makeValAndOff(0,3)] destptr (MOVLstoreconst [makeValAndOff(0,0)] destptr mem))
 10677  	for {
 10678  		if auxIntToInt64(v.AuxInt) != 7 {
 10679  			break
 10680  		}
 10681  		destptr := v_0
 10682  		mem := v_1
 10683  		v.reset(Op386MOVLstoreconst)
 10684  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 3))
 10685  		v0 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10686  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 10687  		v0.AddArg2(destptr, mem)
 10688  		v.AddArg2(destptr, v0)
 10689  		return true
 10690  	}
 10691  	// match: (Zero [s] destptr mem)
 10692  	// cond: s%4 != 0 && s > 4
 10693  	// result: (Zero [s-s%4] (ADDLconst destptr [int32(s%4)]) (MOVLstoreconst [0] destptr mem))
 10694  	for {
 10695  		s := auxIntToInt64(v.AuxInt)
 10696  		destptr := v_0
 10697  		mem := v_1
 10698  		if !(s%4 != 0 && s > 4) {
 10699  			break
 10700  		}
 10701  		v.reset(OpZero)
 10702  		v.AuxInt = int64ToAuxInt(s - s%4)
 10703  		v0 := b.NewValue0(v.Pos, Op386ADDLconst, typ.UInt32)
 10704  		v0.AuxInt = int32ToAuxInt(int32(s % 4))
 10705  		v0.AddArg(destptr)
 10706  		v1 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10707  		v1.AuxInt = valAndOffToAuxInt(0)
 10708  		v1.AddArg2(destptr, mem)
 10709  		v.AddArg2(v0, v1)
 10710  		return true
 10711  	}
 10712  	// match: (Zero [8] destptr mem)
 10713  	// result: (MOVLstoreconst [makeValAndOff(0,4)] destptr (MOVLstoreconst [makeValAndOff(0,0)] destptr mem))
 10714  	for {
 10715  		if auxIntToInt64(v.AuxInt) != 8 {
 10716  			break
 10717  		}
 10718  		destptr := v_0
 10719  		mem := v_1
 10720  		v.reset(Op386MOVLstoreconst)
 10721  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 4))
 10722  		v0 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10723  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 10724  		v0.AddArg2(destptr, mem)
 10725  		v.AddArg2(destptr, v0)
 10726  		return true
 10727  	}
 10728  	// match: (Zero [12] destptr mem)
 10729  	// result: (MOVLstoreconst [makeValAndOff(0,8)] destptr (MOVLstoreconst [makeValAndOff(0,4)] destptr (MOVLstoreconst [makeValAndOff(0,0)] destptr mem)))
 10730  	for {
 10731  		if auxIntToInt64(v.AuxInt) != 12 {
 10732  			break
 10733  		}
 10734  		destptr := v_0
 10735  		mem := v_1
 10736  		v.reset(Op386MOVLstoreconst)
 10737  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 8))
 10738  		v0 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10739  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 4))
 10740  		v1 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10741  		v1.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 10742  		v1.AddArg2(destptr, mem)
 10743  		v0.AddArg2(destptr, v1)
 10744  		v.AddArg2(destptr, v0)
 10745  		return true
 10746  	}
 10747  	// match: (Zero [16] destptr mem)
 10748  	// result: (MOVLstoreconst [makeValAndOff(0,12)] destptr (MOVLstoreconst [makeValAndOff(0,8)] destptr (MOVLstoreconst [makeValAndOff(0,4)] destptr (MOVLstoreconst [makeValAndOff(0,0)] destptr mem))))
 10749  	for {
 10750  		if auxIntToInt64(v.AuxInt) != 16 {
 10751  			break
 10752  		}
 10753  		destptr := v_0
 10754  		mem := v_1
 10755  		v.reset(Op386MOVLstoreconst)
 10756  		v.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 12))
 10757  		v0 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10758  		v0.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 8))
 10759  		v1 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10760  		v1.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 4))
 10761  		v2 := b.NewValue0(v.Pos, Op386MOVLstoreconst, types.TypeMem)
 10762  		v2.AuxInt = valAndOffToAuxInt(makeValAndOff(0, 0))
 10763  		v2.AddArg2(destptr, mem)
 10764  		v1.AddArg2(destptr, v2)
 10765  		v0.AddArg2(destptr, v1)
 10766  		v.AddArg2(destptr, v0)
 10767  		return true
 10768  	}
 10769  	// match: (Zero [s] destptr mem)
 10770  	// cond: s > 16 && s <= 4*128 && s%4 == 0
 10771  	// result: (DUFFZERO [1*(128-s/4)] destptr (MOVLconst [0]) mem)
 10772  	for {
 10773  		s := auxIntToInt64(v.AuxInt)
 10774  		destptr := v_0
 10775  		mem := v_1
 10776  		if !(s > 16 && s <= 4*128 && s%4 == 0) {
 10777  			break
 10778  		}
 10779  		v.reset(Op386DUFFZERO)
 10780  		v.AuxInt = int64ToAuxInt(1 * (128 - s/4))
 10781  		v0 := b.NewValue0(v.Pos, Op386MOVLconst, typ.UInt32)
 10782  		v0.AuxInt = int32ToAuxInt(0)
 10783  		v.AddArg3(destptr, v0, mem)
 10784  		return true
 10785  	}
 10786  	// match: (Zero [s] destptr mem)
 10787  	// cond: s > 4*128 && s%4 == 0
 10788  	// result: (REPSTOSL destptr (MOVLconst [int32(s/4)]) (MOVLconst [0]) mem)
 10789  	for {
 10790  		s := auxIntToInt64(v.AuxInt)
 10791  		destptr := v_0
 10792  		mem := v_1
 10793  		if !(s > 4*128 && s%4 == 0) {
 10794  			break
 10795  		}
 10796  		v.reset(Op386REPSTOSL)
 10797  		v0 := b.NewValue0(v.Pos, Op386MOVLconst, typ.UInt32)
 10798  		v0.AuxInt = int32ToAuxInt(int32(s / 4))
 10799  		v1 := b.NewValue0(v.Pos, Op386MOVLconst, typ.UInt32)
 10800  		v1.AuxInt = int32ToAuxInt(0)
 10801  		v.AddArg4(destptr, v0, v1, mem)
 10802  		return true
 10803  	}
 10804  	return false
 10805  }
 10806  func rewriteValue386_OpZeromask(v *Value) bool {
 10807  	v_0 := v.Args[0]
 10808  	b := v.Block
 10809  	// match: (Zeromask <t> x)
 10810  	// result: (XORLconst [-1] (SBBLcarrymask <t> (CMPLconst x [1])))
 10811  	for {
 10812  		t := v.Type
 10813  		x := v_0
 10814  		v.reset(Op386XORLconst)
 10815  		v.AuxInt = int32ToAuxInt(-1)
 10816  		v0 := b.NewValue0(v.Pos, Op386SBBLcarrymask, t)
 10817  		v1 := b.NewValue0(v.Pos, Op386CMPLconst, types.TypeFlags)
 10818  		v1.AuxInt = int32ToAuxInt(1)
 10819  		v1.AddArg(x)
 10820  		v0.AddArg(v1)
 10821  		v.AddArg(v0)
 10822  		return true
 10823  	}
 10824  }
 10825  func rewriteBlock386(b *Block) bool {
 10826  	switch b.Kind {
 10827  	case Block386EQ:
 10828  		// match: (EQ (InvertFlags cmp) yes no)
 10829  		// result: (EQ cmp yes no)
 10830  		for b.Controls[0].Op == Op386InvertFlags {
 10831  			v_0 := b.Controls[0]
 10832  			cmp := v_0.Args[0]
 10833  			b.resetWithControl(Block386EQ, cmp)
 10834  			return true
 10835  		}
 10836  		// match: (EQ (FlagEQ) yes no)
 10837  		// result: (First yes no)
 10838  		for b.Controls[0].Op == Op386FlagEQ {
 10839  			b.Reset(BlockFirst)
 10840  			return true
 10841  		}
 10842  		// match: (EQ (FlagLT_ULT) yes no)
 10843  		// result: (First no yes)
 10844  		for b.Controls[0].Op == Op386FlagLT_ULT {
 10845  			b.Reset(BlockFirst)
 10846  			b.swapSuccessors()
 10847  			return true
 10848  		}
 10849  		// match: (EQ (FlagLT_UGT) yes no)
 10850  		// result: (First no yes)
 10851  		for b.Controls[0].Op == Op386FlagLT_UGT {
 10852  			b.Reset(BlockFirst)
 10853  			b.swapSuccessors()
 10854  			return true
 10855  		}
 10856  		// match: (EQ (FlagGT_ULT) yes no)
 10857  		// result: (First no yes)
 10858  		for b.Controls[0].Op == Op386FlagGT_ULT {
 10859  			b.Reset(BlockFirst)
 10860  			b.swapSuccessors()
 10861  			return true
 10862  		}
 10863  		// match: (EQ (FlagGT_UGT) yes no)
 10864  		// result: (First no yes)
 10865  		for b.Controls[0].Op == Op386FlagGT_UGT {
 10866  			b.Reset(BlockFirst)
 10867  			b.swapSuccessors()
 10868  			return true
 10869  		}
 10870  	case Block386GE:
 10871  		// match: (GE (InvertFlags cmp) yes no)
 10872  		// result: (LE cmp yes no)
 10873  		for b.Controls[0].Op == Op386InvertFlags {
 10874  			v_0 := b.Controls[0]
 10875  			cmp := v_0.Args[0]
 10876  			b.resetWithControl(Block386LE, cmp)
 10877  			return true
 10878  		}
 10879  		// match: (GE (FlagEQ) yes no)
 10880  		// result: (First yes no)
 10881  		for b.Controls[0].Op == Op386FlagEQ {
 10882  			b.Reset(BlockFirst)
 10883  			return true
 10884  		}
 10885  		// match: (GE (FlagLT_ULT) yes no)
 10886  		// result: (First no yes)
 10887  		for b.Controls[0].Op == Op386FlagLT_ULT {
 10888  			b.Reset(BlockFirst)
 10889  			b.swapSuccessors()
 10890  			return true
 10891  		}
 10892  		// match: (GE (FlagLT_UGT) yes no)
 10893  		// result: (First no yes)
 10894  		for b.Controls[0].Op == Op386FlagLT_UGT {
 10895  			b.Reset(BlockFirst)
 10896  			b.swapSuccessors()
 10897  			return true
 10898  		}
 10899  		// match: (GE (FlagGT_ULT) yes no)
 10900  		// result: (First yes no)
 10901  		for b.Controls[0].Op == Op386FlagGT_ULT {
 10902  			b.Reset(BlockFirst)
 10903  			return true
 10904  		}
 10905  		// match: (GE (FlagGT_UGT) yes no)
 10906  		// result: (First yes no)
 10907  		for b.Controls[0].Op == Op386FlagGT_UGT {
 10908  			b.Reset(BlockFirst)
 10909  			return true
 10910  		}
 10911  	case Block386GT:
 10912  		// match: (GT (InvertFlags cmp) yes no)
 10913  		// result: (LT cmp yes no)
 10914  		for b.Controls[0].Op == Op386InvertFlags {
 10915  			v_0 := b.Controls[0]
 10916  			cmp := v_0.Args[0]
 10917  			b.resetWithControl(Block386LT, cmp)
 10918  			return true
 10919  		}
 10920  		// match: (GT (FlagEQ) yes no)
 10921  		// result: (First no yes)
 10922  		for b.Controls[0].Op == Op386FlagEQ {
 10923  			b.Reset(BlockFirst)
 10924  			b.swapSuccessors()
 10925  			return true
 10926  		}
 10927  		// match: (GT (FlagLT_ULT) yes no)
 10928  		// result: (First no yes)
 10929  		for b.Controls[0].Op == Op386FlagLT_ULT {
 10930  			b.Reset(BlockFirst)
 10931  			b.swapSuccessors()
 10932  			return true
 10933  		}
 10934  		// match: (GT (FlagLT_UGT) yes no)
 10935  		// result: (First no yes)
 10936  		for b.Controls[0].Op == Op386FlagLT_UGT {
 10937  			b.Reset(BlockFirst)
 10938  			b.swapSuccessors()
 10939  			return true
 10940  		}
 10941  		// match: (GT (FlagGT_ULT) yes no)
 10942  		// result: (First yes no)
 10943  		for b.Controls[0].Op == Op386FlagGT_ULT {
 10944  			b.Reset(BlockFirst)
 10945  			return true
 10946  		}
 10947  		// match: (GT (FlagGT_UGT) yes no)
 10948  		// result: (First yes no)
 10949  		for b.Controls[0].Op == Op386FlagGT_UGT {
 10950  			b.Reset(BlockFirst)
 10951  			return true
 10952  		}
 10953  	case BlockIf:
 10954  		// match: (If (SETL cmp) yes no)
 10955  		// result: (LT cmp yes no)
 10956  		for b.Controls[0].Op == Op386SETL {
 10957  			v_0 := b.Controls[0]
 10958  			cmp := v_0.Args[0]
 10959  			b.resetWithControl(Block386LT, cmp)
 10960  			return true
 10961  		}
 10962  		// match: (If (SETLE cmp) yes no)
 10963  		// result: (LE cmp yes no)
 10964  		for b.Controls[0].Op == Op386SETLE {
 10965  			v_0 := b.Controls[0]
 10966  			cmp := v_0.Args[0]
 10967  			b.resetWithControl(Block386LE, cmp)
 10968  			return true
 10969  		}
 10970  		// match: (If (SETG cmp) yes no)
 10971  		// result: (GT cmp yes no)
 10972  		for b.Controls[0].Op == Op386SETG {
 10973  			v_0 := b.Controls[0]
 10974  			cmp := v_0.Args[0]
 10975  			b.resetWithControl(Block386GT, cmp)
 10976  			return true
 10977  		}
 10978  		// match: (If (SETGE cmp) yes no)
 10979  		// result: (GE cmp yes no)
 10980  		for b.Controls[0].Op == Op386SETGE {
 10981  			v_0 := b.Controls[0]
 10982  			cmp := v_0.Args[0]
 10983  			b.resetWithControl(Block386GE, cmp)
 10984  			return true
 10985  		}
 10986  		// match: (If (SETEQ cmp) yes no)
 10987  		// result: (EQ cmp yes no)
 10988  		for b.Controls[0].Op == Op386SETEQ {
 10989  			v_0 := b.Controls[0]
 10990  			cmp := v_0.Args[0]
 10991  			b.resetWithControl(Block386EQ, cmp)
 10992  			return true
 10993  		}
 10994  		// match: (If (SETNE cmp) yes no)
 10995  		// result: (NE cmp yes no)
 10996  		for b.Controls[0].Op == Op386SETNE {
 10997  			v_0 := b.Controls[0]
 10998  			cmp := v_0.Args[0]
 10999  			b.resetWithControl(Block386NE, cmp)
 11000  			return true
 11001  		}
 11002  		// match: (If (SETB cmp) yes no)
 11003  		// result: (ULT cmp yes no)
 11004  		for b.Controls[0].Op == Op386SETB {
 11005  			v_0 := b.Controls[0]
 11006  			cmp := v_0.Args[0]
 11007  			b.resetWithControl(Block386ULT, cmp)
 11008  			return true
 11009  		}
 11010  		// match: (If (SETBE cmp) yes no)
 11011  		// result: (ULE cmp yes no)
 11012  		for b.Controls[0].Op == Op386SETBE {
 11013  			v_0 := b.Controls[0]
 11014  			cmp := v_0.Args[0]
 11015  			b.resetWithControl(Block386ULE, cmp)
 11016  			return true
 11017  		}
 11018  		// match: (If (SETA cmp) yes no)
 11019  		// result: (UGT cmp yes no)
 11020  		for b.Controls[0].Op == Op386SETA {
 11021  			v_0 := b.Controls[0]
 11022  			cmp := v_0.Args[0]
 11023  			b.resetWithControl(Block386UGT, cmp)
 11024  			return true
 11025  		}
 11026  		// match: (If (SETAE cmp) yes no)
 11027  		// result: (UGE cmp yes no)
 11028  		for b.Controls[0].Op == Op386SETAE {
 11029  			v_0 := b.Controls[0]
 11030  			cmp := v_0.Args[0]
 11031  			b.resetWithControl(Block386UGE, cmp)
 11032  			return true
 11033  		}
 11034  		// match: (If (SETO cmp) yes no)
 11035  		// result: (OS cmp yes no)
 11036  		for b.Controls[0].Op == Op386SETO {
 11037  			v_0 := b.Controls[0]
 11038  			cmp := v_0.Args[0]
 11039  			b.resetWithControl(Block386OS, cmp)
 11040  			return true
 11041  		}
 11042  		// match: (If (SETGF cmp) yes no)
 11043  		// result: (UGT cmp yes no)
 11044  		for b.Controls[0].Op == Op386SETGF {
 11045  			v_0 := b.Controls[0]
 11046  			cmp := v_0.Args[0]
 11047  			b.resetWithControl(Block386UGT, cmp)
 11048  			return true
 11049  		}
 11050  		// match: (If (SETGEF cmp) yes no)
 11051  		// result: (UGE cmp yes no)
 11052  		for b.Controls[0].Op == Op386SETGEF {
 11053  			v_0 := b.Controls[0]
 11054  			cmp := v_0.Args[0]
 11055  			b.resetWithControl(Block386UGE, cmp)
 11056  			return true
 11057  		}
 11058  		// match: (If (SETEQF cmp) yes no)
 11059  		// result: (EQF cmp yes no)
 11060  		for b.Controls[0].Op == Op386SETEQF {
 11061  			v_0 := b.Controls[0]
 11062  			cmp := v_0.Args[0]
 11063  			b.resetWithControl(Block386EQF, cmp)
 11064  			return true
 11065  		}
 11066  		// match: (If (SETNEF cmp) yes no)
 11067  		// result: (NEF cmp yes no)
 11068  		for b.Controls[0].Op == Op386SETNEF {
 11069  			v_0 := b.Controls[0]
 11070  			cmp := v_0.Args[0]
 11071  			b.resetWithControl(Block386NEF, cmp)
 11072  			return true
 11073  		}
 11074  		// match: (If cond yes no)
 11075  		// result: (NE (TESTB cond cond) yes no)
 11076  		for {
 11077  			cond := b.Controls[0]
 11078  			v0 := b.NewValue0(cond.Pos, Op386TESTB, types.TypeFlags)
 11079  			v0.AddArg2(cond, cond)
 11080  			b.resetWithControl(Block386NE, v0)
 11081  			return true
 11082  		}
 11083  	case Block386LE:
 11084  		// match: (LE (InvertFlags cmp) yes no)
 11085  		// result: (GE cmp yes no)
 11086  		for b.Controls[0].Op == Op386InvertFlags {
 11087  			v_0 := b.Controls[0]
 11088  			cmp := v_0.Args[0]
 11089  			b.resetWithControl(Block386GE, cmp)
 11090  			return true
 11091  		}
 11092  		// match: (LE (FlagEQ) yes no)
 11093  		// result: (First yes no)
 11094  		for b.Controls[0].Op == Op386FlagEQ {
 11095  			b.Reset(BlockFirst)
 11096  			return true
 11097  		}
 11098  		// match: (LE (FlagLT_ULT) yes no)
 11099  		// result: (First yes no)
 11100  		for b.Controls[0].Op == Op386FlagLT_ULT {
 11101  			b.Reset(BlockFirst)
 11102  			return true
 11103  		}
 11104  		// match: (LE (FlagLT_UGT) yes no)
 11105  		// result: (First yes no)
 11106  		for b.Controls[0].Op == Op386FlagLT_UGT {
 11107  			b.Reset(BlockFirst)
 11108  			return true
 11109  		}
 11110  		// match: (LE (FlagGT_ULT) yes no)
 11111  		// result: (First no yes)
 11112  		for b.Controls[0].Op == Op386FlagGT_ULT {
 11113  			b.Reset(BlockFirst)
 11114  			b.swapSuccessors()
 11115  			return true
 11116  		}
 11117  		// match: (LE (FlagGT_UGT) yes no)
 11118  		// result: (First no yes)
 11119  		for b.Controls[0].Op == Op386FlagGT_UGT {
 11120  			b.Reset(BlockFirst)
 11121  			b.swapSuccessors()
 11122  			return true
 11123  		}
 11124  	case Block386LT:
 11125  		// match: (LT (InvertFlags cmp) yes no)
 11126  		// result: (GT cmp yes no)
 11127  		for b.Controls[0].Op == Op386InvertFlags {
 11128  			v_0 := b.Controls[0]
 11129  			cmp := v_0.Args[0]
 11130  			b.resetWithControl(Block386GT, cmp)
 11131  			return true
 11132  		}
 11133  		// match: (LT (FlagEQ) yes no)
 11134  		// result: (First no yes)
 11135  		for b.Controls[0].Op == Op386FlagEQ {
 11136  			b.Reset(BlockFirst)
 11137  			b.swapSuccessors()
 11138  			return true
 11139  		}
 11140  		// match: (LT (FlagLT_ULT) yes no)
 11141  		// result: (First yes no)
 11142  		for b.Controls[0].Op == Op386FlagLT_ULT {
 11143  			b.Reset(BlockFirst)
 11144  			return true
 11145  		}
 11146  		// match: (LT (FlagLT_UGT) yes no)
 11147  		// result: (First yes no)
 11148  		for b.Controls[0].Op == Op386FlagLT_UGT {
 11149  			b.Reset(BlockFirst)
 11150  			return true
 11151  		}
 11152  		// match: (LT (FlagGT_ULT) yes no)
 11153  		// result: (First no yes)
 11154  		for b.Controls[0].Op == Op386FlagGT_ULT {
 11155  			b.Reset(BlockFirst)
 11156  			b.swapSuccessors()
 11157  			return true
 11158  		}
 11159  		// match: (LT (FlagGT_UGT) yes no)
 11160  		// result: (First no yes)
 11161  		for b.Controls[0].Op == Op386FlagGT_UGT {
 11162  			b.Reset(BlockFirst)
 11163  			b.swapSuccessors()
 11164  			return true
 11165  		}
 11166  	case Block386NE:
 11167  		// match: (NE (TESTB (SETL cmp) (SETL cmp)) yes no)
 11168  		// result: (LT cmp yes no)
 11169  		for b.Controls[0].Op == Op386TESTB {
 11170  			v_0 := b.Controls[0]
 11171  			_ = v_0.Args[1]
 11172  			v_0_0 := v_0.Args[0]
 11173  			if v_0_0.Op != Op386SETL {
 11174  				break
 11175  			}
 11176  			cmp := v_0_0.Args[0]
 11177  			v_0_1 := v_0.Args[1]
 11178  			if v_0_1.Op != Op386SETL || cmp != v_0_1.Args[0] {
 11179  				break
 11180  			}
 11181  			b.resetWithControl(Block386LT, cmp)
 11182  			return true
 11183  		}
 11184  		// match: (NE (TESTB (SETLE cmp) (SETLE cmp)) yes no)
 11185  		// result: (LE cmp yes no)
 11186  		for b.Controls[0].Op == Op386TESTB {
 11187  			v_0 := b.Controls[0]
 11188  			_ = v_0.Args[1]
 11189  			v_0_0 := v_0.Args[0]
 11190  			if v_0_0.Op != Op386SETLE {
 11191  				break
 11192  			}
 11193  			cmp := v_0_0.Args[0]
 11194  			v_0_1 := v_0.Args[1]
 11195  			if v_0_1.Op != Op386SETLE || cmp != v_0_1.Args[0] {
 11196  				break
 11197  			}
 11198  			b.resetWithControl(Block386LE, cmp)
 11199  			return true
 11200  		}
 11201  		// match: (NE (TESTB (SETG cmp) (SETG cmp)) yes no)
 11202  		// result: (GT cmp yes no)
 11203  		for b.Controls[0].Op == Op386TESTB {
 11204  			v_0 := b.Controls[0]
 11205  			_ = v_0.Args[1]
 11206  			v_0_0 := v_0.Args[0]
 11207  			if v_0_0.Op != Op386SETG {
 11208  				break
 11209  			}
 11210  			cmp := v_0_0.Args[0]
 11211  			v_0_1 := v_0.Args[1]
 11212  			if v_0_1.Op != Op386SETG || cmp != v_0_1.Args[0] {
 11213  				break
 11214  			}
 11215  			b.resetWithControl(Block386GT, cmp)
 11216  			return true
 11217  		}
 11218  		// match: (NE (TESTB (SETGE cmp) (SETGE cmp)) yes no)
 11219  		// result: (GE cmp yes no)
 11220  		for b.Controls[0].Op == Op386TESTB {
 11221  			v_0 := b.Controls[0]
 11222  			_ = v_0.Args[1]
 11223  			v_0_0 := v_0.Args[0]
 11224  			if v_0_0.Op != Op386SETGE {
 11225  				break
 11226  			}
 11227  			cmp := v_0_0.Args[0]
 11228  			v_0_1 := v_0.Args[1]
 11229  			if v_0_1.Op != Op386SETGE || cmp != v_0_1.Args[0] {
 11230  				break
 11231  			}
 11232  			b.resetWithControl(Block386GE, cmp)
 11233  			return true
 11234  		}
 11235  		// match: (NE (TESTB (SETEQ cmp) (SETEQ cmp)) yes no)
 11236  		// result: (EQ cmp yes no)
 11237  		for b.Controls[0].Op == Op386TESTB {
 11238  			v_0 := b.Controls[0]
 11239  			_ = v_0.Args[1]
 11240  			v_0_0 := v_0.Args[0]
 11241  			if v_0_0.Op != Op386SETEQ {
 11242  				break
 11243  			}
 11244  			cmp := v_0_0.Args[0]
 11245  			v_0_1 := v_0.Args[1]
 11246  			if v_0_1.Op != Op386SETEQ || cmp != v_0_1.Args[0] {
 11247  				break
 11248  			}
 11249  			b.resetWithControl(Block386EQ, cmp)
 11250  			return true
 11251  		}
 11252  		// match: (NE (TESTB (SETNE cmp) (SETNE cmp)) yes no)
 11253  		// result: (NE cmp yes no)
 11254  		for b.Controls[0].Op == Op386TESTB {
 11255  			v_0 := b.Controls[0]
 11256  			_ = v_0.Args[1]
 11257  			v_0_0 := v_0.Args[0]
 11258  			if v_0_0.Op != Op386SETNE {
 11259  				break
 11260  			}
 11261  			cmp := v_0_0.Args[0]
 11262  			v_0_1 := v_0.Args[1]
 11263  			if v_0_1.Op != Op386SETNE || cmp != v_0_1.Args[0] {
 11264  				break
 11265  			}
 11266  			b.resetWithControl(Block386NE, cmp)
 11267  			return true
 11268  		}
 11269  		// match: (NE (TESTB (SETB cmp) (SETB cmp)) yes no)
 11270  		// result: (ULT cmp yes no)
 11271  		for b.Controls[0].Op == Op386TESTB {
 11272  			v_0 := b.Controls[0]
 11273  			_ = v_0.Args[1]
 11274  			v_0_0 := v_0.Args[0]
 11275  			if v_0_0.Op != Op386SETB {
 11276  				break
 11277  			}
 11278  			cmp := v_0_0.Args[0]
 11279  			v_0_1 := v_0.Args[1]
 11280  			if v_0_1.Op != Op386SETB || cmp != v_0_1.Args[0] {
 11281  				break
 11282  			}
 11283  			b.resetWithControl(Block386ULT, cmp)
 11284  			return true
 11285  		}
 11286  		// match: (NE (TESTB (SETBE cmp) (SETBE cmp)) yes no)
 11287  		// result: (ULE cmp yes no)
 11288  		for b.Controls[0].Op == Op386TESTB {
 11289  			v_0 := b.Controls[0]
 11290  			_ = v_0.Args[1]
 11291  			v_0_0 := v_0.Args[0]
 11292  			if v_0_0.Op != Op386SETBE {
 11293  				break
 11294  			}
 11295  			cmp := v_0_0.Args[0]
 11296  			v_0_1 := v_0.Args[1]
 11297  			if v_0_1.Op != Op386SETBE || cmp != v_0_1.Args[0] {
 11298  				break
 11299  			}
 11300  			b.resetWithControl(Block386ULE, cmp)
 11301  			return true
 11302  		}
 11303  		// match: (NE (TESTB (SETA cmp) (SETA cmp)) yes no)
 11304  		// result: (UGT cmp yes no)
 11305  		for b.Controls[0].Op == Op386TESTB {
 11306  			v_0 := b.Controls[0]
 11307  			_ = v_0.Args[1]
 11308  			v_0_0 := v_0.Args[0]
 11309  			if v_0_0.Op != Op386SETA {
 11310  				break
 11311  			}
 11312  			cmp := v_0_0.Args[0]
 11313  			v_0_1 := v_0.Args[1]
 11314  			if v_0_1.Op != Op386SETA || cmp != v_0_1.Args[0] {
 11315  				break
 11316  			}
 11317  			b.resetWithControl(Block386UGT, cmp)
 11318  			return true
 11319  		}
 11320  		// match: (NE (TESTB (SETAE cmp) (SETAE cmp)) yes no)
 11321  		// result: (UGE cmp yes no)
 11322  		for b.Controls[0].Op == Op386TESTB {
 11323  			v_0 := b.Controls[0]
 11324  			_ = v_0.Args[1]
 11325  			v_0_0 := v_0.Args[0]
 11326  			if v_0_0.Op != Op386SETAE {
 11327  				break
 11328  			}
 11329  			cmp := v_0_0.Args[0]
 11330  			v_0_1 := v_0.Args[1]
 11331  			if v_0_1.Op != Op386SETAE || cmp != v_0_1.Args[0] {
 11332  				break
 11333  			}
 11334  			b.resetWithControl(Block386UGE, cmp)
 11335  			return true
 11336  		}
 11337  		// match: (NE (TESTB (SETO cmp) (SETO cmp)) yes no)
 11338  		// result: (OS cmp yes no)
 11339  		for b.Controls[0].Op == Op386TESTB {
 11340  			v_0 := b.Controls[0]
 11341  			_ = v_0.Args[1]
 11342  			v_0_0 := v_0.Args[0]
 11343  			if v_0_0.Op != Op386SETO {
 11344  				break
 11345  			}
 11346  			cmp := v_0_0.Args[0]
 11347  			v_0_1 := v_0.Args[1]
 11348  			if v_0_1.Op != Op386SETO || cmp != v_0_1.Args[0] {
 11349  				break
 11350  			}
 11351  			b.resetWithControl(Block386OS, cmp)
 11352  			return true
 11353  		}
 11354  		// match: (NE (TESTB (SETGF cmp) (SETGF cmp)) yes no)
 11355  		// result: (UGT cmp yes no)
 11356  		for b.Controls[0].Op == Op386TESTB {
 11357  			v_0 := b.Controls[0]
 11358  			_ = v_0.Args[1]
 11359  			v_0_0 := v_0.Args[0]
 11360  			if v_0_0.Op != Op386SETGF {
 11361  				break
 11362  			}
 11363  			cmp := v_0_0.Args[0]
 11364  			v_0_1 := v_0.Args[1]
 11365  			if v_0_1.Op != Op386SETGF || cmp != v_0_1.Args[0] {
 11366  				break
 11367  			}
 11368  			b.resetWithControl(Block386UGT, cmp)
 11369  			return true
 11370  		}
 11371  		// match: (NE (TESTB (SETGEF cmp) (SETGEF cmp)) yes no)
 11372  		// result: (UGE cmp yes no)
 11373  		for b.Controls[0].Op == Op386TESTB {
 11374  			v_0 := b.Controls[0]
 11375  			_ = v_0.Args[1]
 11376  			v_0_0 := v_0.Args[0]
 11377  			if v_0_0.Op != Op386SETGEF {
 11378  				break
 11379  			}
 11380  			cmp := v_0_0.Args[0]
 11381  			v_0_1 := v_0.Args[1]
 11382  			if v_0_1.Op != Op386SETGEF || cmp != v_0_1.Args[0] {
 11383  				break
 11384  			}
 11385  			b.resetWithControl(Block386UGE, cmp)
 11386  			return true
 11387  		}
 11388  		// match: (NE (TESTB (SETEQF cmp) (SETEQF cmp)) yes no)
 11389  		// result: (EQF cmp yes no)
 11390  		for b.Controls[0].Op == Op386TESTB {
 11391  			v_0 := b.Controls[0]
 11392  			_ = v_0.Args[1]
 11393  			v_0_0 := v_0.Args[0]
 11394  			if v_0_0.Op != Op386SETEQF {
 11395  				break
 11396  			}
 11397  			cmp := v_0_0.Args[0]
 11398  			v_0_1 := v_0.Args[1]
 11399  			if v_0_1.Op != Op386SETEQF || cmp != v_0_1.Args[0] {
 11400  				break
 11401  			}
 11402  			b.resetWithControl(Block386EQF, cmp)
 11403  			return true
 11404  		}
 11405  		// match: (NE (TESTB (SETNEF cmp) (SETNEF cmp)) yes no)
 11406  		// result: (NEF cmp yes no)
 11407  		for b.Controls[0].Op == Op386TESTB {
 11408  			v_0 := b.Controls[0]
 11409  			_ = v_0.Args[1]
 11410  			v_0_0 := v_0.Args[0]
 11411  			if v_0_0.Op != Op386SETNEF {
 11412  				break
 11413  			}
 11414  			cmp := v_0_0.Args[0]
 11415  			v_0_1 := v_0.Args[1]
 11416  			if v_0_1.Op != Op386SETNEF || cmp != v_0_1.Args[0] {
 11417  				break
 11418  			}
 11419  			b.resetWithControl(Block386NEF, cmp)
 11420  			return true
 11421  		}
 11422  		// match: (NE (InvertFlags cmp) yes no)
 11423  		// result: (NE cmp yes no)
 11424  		for b.Controls[0].Op == Op386InvertFlags {
 11425  			v_0 := b.Controls[0]
 11426  			cmp := v_0.Args[0]
 11427  			b.resetWithControl(Block386NE, cmp)
 11428  			return true
 11429  		}
 11430  		// match: (NE (FlagEQ) yes no)
 11431  		// result: (First no yes)
 11432  		for b.Controls[0].Op == Op386FlagEQ {
 11433  			b.Reset(BlockFirst)
 11434  			b.swapSuccessors()
 11435  			return true
 11436  		}
 11437  		// match: (NE (FlagLT_ULT) yes no)
 11438  		// result: (First yes no)
 11439  		for b.Controls[0].Op == Op386FlagLT_ULT {
 11440  			b.Reset(BlockFirst)
 11441  			return true
 11442  		}
 11443  		// match: (NE (FlagLT_UGT) yes no)
 11444  		// result: (First yes no)
 11445  		for b.Controls[0].Op == Op386FlagLT_UGT {
 11446  			b.Reset(BlockFirst)
 11447  			return true
 11448  		}
 11449  		// match: (NE (FlagGT_ULT) yes no)
 11450  		// result: (First yes no)
 11451  		for b.Controls[0].Op == Op386FlagGT_ULT {
 11452  			b.Reset(BlockFirst)
 11453  			return true
 11454  		}
 11455  		// match: (NE (FlagGT_UGT) yes no)
 11456  		// result: (First yes no)
 11457  		for b.Controls[0].Op == Op386FlagGT_UGT {
 11458  			b.Reset(BlockFirst)
 11459  			return true
 11460  		}
 11461  	case Block386UGE:
 11462  		// match: (UGE (InvertFlags cmp) yes no)
 11463  		// result: (ULE cmp yes no)
 11464  		for b.Controls[0].Op == Op386InvertFlags {
 11465  			v_0 := b.Controls[0]
 11466  			cmp := v_0.Args[0]
 11467  			b.resetWithControl(Block386ULE, cmp)
 11468  			return true
 11469  		}
 11470  		// match: (UGE (FlagEQ) yes no)
 11471  		// result: (First yes no)
 11472  		for b.Controls[0].Op == Op386FlagEQ {
 11473  			b.Reset(BlockFirst)
 11474  			return true
 11475  		}
 11476  		// match: (UGE (FlagLT_ULT) yes no)
 11477  		// result: (First no yes)
 11478  		for b.Controls[0].Op == Op386FlagLT_ULT {
 11479  			b.Reset(BlockFirst)
 11480  			b.swapSuccessors()
 11481  			return true
 11482  		}
 11483  		// match: (UGE (FlagLT_UGT) yes no)
 11484  		// result: (First yes no)
 11485  		for b.Controls[0].Op == Op386FlagLT_UGT {
 11486  			b.Reset(BlockFirst)
 11487  			return true
 11488  		}
 11489  		// match: (UGE (FlagGT_ULT) yes no)
 11490  		// result: (First no yes)
 11491  		for b.Controls[0].Op == Op386FlagGT_ULT {
 11492  			b.Reset(BlockFirst)
 11493  			b.swapSuccessors()
 11494  			return true
 11495  		}
 11496  		// match: (UGE (FlagGT_UGT) yes no)
 11497  		// result: (First yes no)
 11498  		for b.Controls[0].Op == Op386FlagGT_UGT {
 11499  			b.Reset(BlockFirst)
 11500  			return true
 11501  		}
 11502  	case Block386UGT:
 11503  		// match: (UGT (InvertFlags cmp) yes no)
 11504  		// result: (ULT cmp yes no)
 11505  		for b.Controls[0].Op == Op386InvertFlags {
 11506  			v_0 := b.Controls[0]
 11507  			cmp := v_0.Args[0]
 11508  			b.resetWithControl(Block386ULT, cmp)
 11509  			return true
 11510  		}
 11511  		// match: (UGT (FlagEQ) yes no)
 11512  		// result: (First no yes)
 11513  		for b.Controls[0].Op == Op386FlagEQ {
 11514  			b.Reset(BlockFirst)
 11515  			b.swapSuccessors()
 11516  			return true
 11517  		}
 11518  		// match: (UGT (FlagLT_ULT) yes no)
 11519  		// result: (First no yes)
 11520  		for b.Controls[0].Op == Op386FlagLT_ULT {
 11521  			b.Reset(BlockFirst)
 11522  			b.swapSuccessors()
 11523  			return true
 11524  		}
 11525  		// match: (UGT (FlagLT_UGT) yes no)
 11526  		// result: (First yes no)
 11527  		for b.Controls[0].Op == Op386FlagLT_UGT {
 11528  			b.Reset(BlockFirst)
 11529  			return true
 11530  		}
 11531  		// match: (UGT (FlagGT_ULT) yes no)
 11532  		// result: (First no yes)
 11533  		for b.Controls[0].Op == Op386FlagGT_ULT {
 11534  			b.Reset(BlockFirst)
 11535  			b.swapSuccessors()
 11536  			return true
 11537  		}
 11538  		// match: (UGT (FlagGT_UGT) yes no)
 11539  		// result: (First yes no)
 11540  		for b.Controls[0].Op == Op386FlagGT_UGT {
 11541  			b.Reset(BlockFirst)
 11542  			return true
 11543  		}
 11544  	case Block386ULE:
 11545  		// match: (ULE (InvertFlags cmp) yes no)
 11546  		// result: (UGE cmp yes no)
 11547  		for b.Controls[0].Op == Op386InvertFlags {
 11548  			v_0 := b.Controls[0]
 11549  			cmp := v_0.Args[0]
 11550  			b.resetWithControl(Block386UGE, cmp)
 11551  			return true
 11552  		}
 11553  		// match: (ULE (FlagEQ) yes no)
 11554  		// result: (First yes no)
 11555  		for b.Controls[0].Op == Op386FlagEQ {
 11556  			b.Reset(BlockFirst)
 11557  			return true
 11558  		}
 11559  		// match: (ULE (FlagLT_ULT) yes no)
 11560  		// result: (First yes no)
 11561  		for b.Controls[0].Op == Op386FlagLT_ULT {
 11562  			b.Reset(BlockFirst)
 11563  			return true
 11564  		}
 11565  		// match: (ULE (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: (ULE (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: (ULE (FlagGT_UGT) yes no)
 11579  		// result: (First no yes)
 11580  		for b.Controls[0].Op == Op386FlagGT_UGT {
 11581  			b.Reset(BlockFirst)
 11582  			b.swapSuccessors()
 11583  			return true
 11584  		}
 11585  	case Block386ULT:
 11586  		// match: (ULT (InvertFlags cmp) yes no)
 11587  		// result: (UGT cmp yes no)
 11588  		for b.Controls[0].Op == Op386InvertFlags {
 11589  			v_0 := b.Controls[0]
 11590  			cmp := v_0.Args[0]
 11591  			b.resetWithControl(Block386UGT, cmp)
 11592  			return true
 11593  		}
 11594  		// match: (ULT (FlagEQ) yes no)
 11595  		// result: (First no yes)
 11596  		for b.Controls[0].Op == Op386FlagEQ {
 11597  			b.Reset(BlockFirst)
 11598  			b.swapSuccessors()
 11599  			return true
 11600  		}
 11601  		// match: (ULT (FlagLT_ULT) yes no)
 11602  		// result: (First yes no)
 11603  		for b.Controls[0].Op == Op386FlagLT_ULT {
 11604  			b.Reset(BlockFirst)
 11605  			return true
 11606  		}
 11607  		// match: (ULT (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: (ULT (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: (ULT (FlagGT_UGT) yes no)
 11621  		// result: (First no yes)
 11622  		for b.Controls[0].Op == Op386FlagGT_UGT {
 11623  			b.Reset(BlockFirst)
 11624  			b.swapSuccessors()
 11625  			return true
 11626  		}
 11627  	}
 11628  	return false
 11629  }
 11630  

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