diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/rewriteARM64.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/rewriteARM64.go | 30569 |
1 files changed, 30569 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/ssa/rewriteARM64.go b/src/cmd/compile/internal/ssa/rewriteARM64.go new file mode 100644 index 0000000..ad1052f --- /dev/null +++ b/src/cmd/compile/internal/ssa/rewriteARM64.go @@ -0,0 +1,30569 @@ +// Code generated from gen/ARM64.rules; DO NOT EDIT. +// generated with: cd gen; go run *.go + +package ssa + +import "cmd/compile/internal/types" + +func rewriteValueARM64(v *Value) bool { + switch v.Op { + case OpARM64ADCSflags: + return rewriteValueARM64_OpARM64ADCSflags(v) + case OpARM64ADD: + return rewriteValueARM64_OpARM64ADD(v) + case OpARM64ADDconst: + return rewriteValueARM64_OpARM64ADDconst(v) + case OpARM64ADDshiftLL: + return rewriteValueARM64_OpARM64ADDshiftLL(v) + case OpARM64ADDshiftRA: + return rewriteValueARM64_OpARM64ADDshiftRA(v) + case OpARM64ADDshiftRL: + return rewriteValueARM64_OpARM64ADDshiftRL(v) + case OpARM64AND: + return rewriteValueARM64_OpARM64AND(v) + case OpARM64ANDconst: + return rewriteValueARM64_OpARM64ANDconst(v) + case OpARM64ANDshiftLL: + return rewriteValueARM64_OpARM64ANDshiftLL(v) + case OpARM64ANDshiftRA: + return rewriteValueARM64_OpARM64ANDshiftRA(v) + case OpARM64ANDshiftRL: + return rewriteValueARM64_OpARM64ANDshiftRL(v) + case OpARM64ANDshiftRO: + return rewriteValueARM64_OpARM64ANDshiftRO(v) + case OpARM64BIC: + return rewriteValueARM64_OpARM64BIC(v) + case OpARM64BICshiftLL: + return rewriteValueARM64_OpARM64BICshiftLL(v) + case OpARM64BICshiftRA: + return rewriteValueARM64_OpARM64BICshiftRA(v) + case OpARM64BICshiftRL: + return rewriteValueARM64_OpARM64BICshiftRL(v) + case OpARM64BICshiftRO: + return rewriteValueARM64_OpARM64BICshiftRO(v) + case OpARM64CMN: + return rewriteValueARM64_OpARM64CMN(v) + case OpARM64CMNW: + return rewriteValueARM64_OpARM64CMNW(v) + case OpARM64CMNWconst: + return rewriteValueARM64_OpARM64CMNWconst(v) + case OpARM64CMNconst: + return rewriteValueARM64_OpARM64CMNconst(v) + case OpARM64CMNshiftLL: + return rewriteValueARM64_OpARM64CMNshiftLL(v) + case OpARM64CMNshiftRA: + return rewriteValueARM64_OpARM64CMNshiftRA(v) + case OpARM64CMNshiftRL: + return rewriteValueARM64_OpARM64CMNshiftRL(v) + case OpARM64CMP: + return rewriteValueARM64_OpARM64CMP(v) + case OpARM64CMPW: + return rewriteValueARM64_OpARM64CMPW(v) + case OpARM64CMPWconst: + return rewriteValueARM64_OpARM64CMPWconst(v) + case OpARM64CMPconst: + return rewriteValueARM64_OpARM64CMPconst(v) + case OpARM64CMPshiftLL: + return rewriteValueARM64_OpARM64CMPshiftLL(v) + case OpARM64CMPshiftRA: + return rewriteValueARM64_OpARM64CMPshiftRA(v) + case OpARM64CMPshiftRL: + return rewriteValueARM64_OpARM64CMPshiftRL(v) + case OpARM64CSEL: + return rewriteValueARM64_OpARM64CSEL(v) + case OpARM64CSEL0: + return rewriteValueARM64_OpARM64CSEL0(v) + case OpARM64CSETM: + return rewriteValueARM64_OpARM64CSETM(v) + case OpARM64CSINC: + return rewriteValueARM64_OpARM64CSINC(v) + case OpARM64CSINV: + return rewriteValueARM64_OpARM64CSINV(v) + case OpARM64CSNEG: + return rewriteValueARM64_OpARM64CSNEG(v) + case OpARM64DIV: + return rewriteValueARM64_OpARM64DIV(v) + case OpARM64DIVW: + return rewriteValueARM64_OpARM64DIVW(v) + case OpARM64EON: + return rewriteValueARM64_OpARM64EON(v) + case OpARM64EONshiftLL: + return rewriteValueARM64_OpARM64EONshiftLL(v) + case OpARM64EONshiftRA: + return rewriteValueARM64_OpARM64EONshiftRA(v) + case OpARM64EONshiftRL: + return rewriteValueARM64_OpARM64EONshiftRL(v) + case OpARM64EONshiftRO: + return rewriteValueARM64_OpARM64EONshiftRO(v) + case OpARM64Equal: + return rewriteValueARM64_OpARM64Equal(v) + case OpARM64FADDD: + return rewriteValueARM64_OpARM64FADDD(v) + case OpARM64FADDS: + return rewriteValueARM64_OpARM64FADDS(v) + case OpARM64FCMPD: + return rewriteValueARM64_OpARM64FCMPD(v) + case OpARM64FCMPS: + return rewriteValueARM64_OpARM64FCMPS(v) + case OpARM64FMOVDfpgp: + return rewriteValueARM64_OpARM64FMOVDfpgp(v) + case OpARM64FMOVDgpfp: + return rewriteValueARM64_OpARM64FMOVDgpfp(v) + case OpARM64FMOVDload: + return rewriteValueARM64_OpARM64FMOVDload(v) + case OpARM64FMOVDloadidx: + return rewriteValueARM64_OpARM64FMOVDloadidx(v) + case OpARM64FMOVDloadidx8: + return rewriteValueARM64_OpARM64FMOVDloadidx8(v) + case OpARM64FMOVDstore: + return rewriteValueARM64_OpARM64FMOVDstore(v) + case OpARM64FMOVDstoreidx: + return rewriteValueARM64_OpARM64FMOVDstoreidx(v) + case OpARM64FMOVDstoreidx8: + return rewriteValueARM64_OpARM64FMOVDstoreidx8(v) + case OpARM64FMOVSload: + return rewriteValueARM64_OpARM64FMOVSload(v) + case OpARM64FMOVSloadidx: + return rewriteValueARM64_OpARM64FMOVSloadidx(v) + case OpARM64FMOVSloadidx4: + return rewriteValueARM64_OpARM64FMOVSloadidx4(v) + case OpARM64FMOVSstore: + return rewriteValueARM64_OpARM64FMOVSstore(v) + case OpARM64FMOVSstoreidx: + return rewriteValueARM64_OpARM64FMOVSstoreidx(v) + case OpARM64FMOVSstoreidx4: + return rewriteValueARM64_OpARM64FMOVSstoreidx4(v) + case OpARM64FMULD: + return rewriteValueARM64_OpARM64FMULD(v) + case OpARM64FMULS: + return rewriteValueARM64_OpARM64FMULS(v) + case OpARM64FNEGD: + return rewriteValueARM64_OpARM64FNEGD(v) + case OpARM64FNEGS: + return rewriteValueARM64_OpARM64FNEGS(v) + case OpARM64FNMULD: + return rewriteValueARM64_OpARM64FNMULD(v) + case OpARM64FNMULS: + return rewriteValueARM64_OpARM64FNMULS(v) + case OpARM64FSUBD: + return rewriteValueARM64_OpARM64FSUBD(v) + case OpARM64FSUBS: + return rewriteValueARM64_OpARM64FSUBS(v) + case OpARM64GreaterEqual: + return rewriteValueARM64_OpARM64GreaterEqual(v) + case OpARM64GreaterEqualF: + return rewriteValueARM64_OpARM64GreaterEqualF(v) + case OpARM64GreaterEqualU: + return rewriteValueARM64_OpARM64GreaterEqualU(v) + case OpARM64GreaterThan: + return rewriteValueARM64_OpARM64GreaterThan(v) + case OpARM64GreaterThanF: + return rewriteValueARM64_OpARM64GreaterThanF(v) + case OpARM64GreaterThanU: + return rewriteValueARM64_OpARM64GreaterThanU(v) + case OpARM64LessEqual: + return rewriteValueARM64_OpARM64LessEqual(v) + case OpARM64LessEqualF: + return rewriteValueARM64_OpARM64LessEqualF(v) + case OpARM64LessEqualU: + return rewriteValueARM64_OpARM64LessEqualU(v) + case OpARM64LessThan: + return rewriteValueARM64_OpARM64LessThan(v) + case OpARM64LessThanF: + return rewriteValueARM64_OpARM64LessThanF(v) + case OpARM64LessThanU: + return rewriteValueARM64_OpARM64LessThanU(v) + case OpARM64MADD: + return rewriteValueARM64_OpARM64MADD(v) + case OpARM64MADDW: + return rewriteValueARM64_OpARM64MADDW(v) + case OpARM64MNEG: + return rewriteValueARM64_OpARM64MNEG(v) + case OpARM64MNEGW: + return rewriteValueARM64_OpARM64MNEGW(v) + case OpARM64MOD: + return rewriteValueARM64_OpARM64MOD(v) + case OpARM64MODW: + return rewriteValueARM64_OpARM64MODW(v) + case OpARM64MOVBUload: + return rewriteValueARM64_OpARM64MOVBUload(v) + case OpARM64MOVBUloadidx: + return rewriteValueARM64_OpARM64MOVBUloadidx(v) + case OpARM64MOVBUreg: + return rewriteValueARM64_OpARM64MOVBUreg(v) + case OpARM64MOVBload: + return rewriteValueARM64_OpARM64MOVBload(v) + case OpARM64MOVBloadidx: + return rewriteValueARM64_OpARM64MOVBloadidx(v) + case OpARM64MOVBreg: + return rewriteValueARM64_OpARM64MOVBreg(v) + case OpARM64MOVBstore: + return rewriteValueARM64_OpARM64MOVBstore(v) + case OpARM64MOVBstoreidx: + return rewriteValueARM64_OpARM64MOVBstoreidx(v) + case OpARM64MOVBstorezero: + return rewriteValueARM64_OpARM64MOVBstorezero(v) + case OpARM64MOVBstorezeroidx: + return rewriteValueARM64_OpARM64MOVBstorezeroidx(v) + case OpARM64MOVDload: + return rewriteValueARM64_OpARM64MOVDload(v) + case OpARM64MOVDloadidx: + return rewriteValueARM64_OpARM64MOVDloadidx(v) + case OpARM64MOVDloadidx8: + return rewriteValueARM64_OpARM64MOVDloadidx8(v) + case OpARM64MOVDnop: + return rewriteValueARM64_OpARM64MOVDnop(v) + case OpARM64MOVDreg: + return rewriteValueARM64_OpARM64MOVDreg(v) + case OpARM64MOVDstore: + return rewriteValueARM64_OpARM64MOVDstore(v) + case OpARM64MOVDstoreidx: + return rewriteValueARM64_OpARM64MOVDstoreidx(v) + case OpARM64MOVDstoreidx8: + return rewriteValueARM64_OpARM64MOVDstoreidx8(v) + case OpARM64MOVDstorezero: + return rewriteValueARM64_OpARM64MOVDstorezero(v) + case OpARM64MOVDstorezeroidx: + return rewriteValueARM64_OpARM64MOVDstorezeroidx(v) + case OpARM64MOVDstorezeroidx8: + return rewriteValueARM64_OpARM64MOVDstorezeroidx8(v) + case OpARM64MOVHUload: + return rewriteValueARM64_OpARM64MOVHUload(v) + case OpARM64MOVHUloadidx: + return rewriteValueARM64_OpARM64MOVHUloadidx(v) + case OpARM64MOVHUloadidx2: + return rewriteValueARM64_OpARM64MOVHUloadidx2(v) + case OpARM64MOVHUreg: + return rewriteValueARM64_OpARM64MOVHUreg(v) + case OpARM64MOVHload: + return rewriteValueARM64_OpARM64MOVHload(v) + case OpARM64MOVHloadidx: + return rewriteValueARM64_OpARM64MOVHloadidx(v) + case OpARM64MOVHloadidx2: + return rewriteValueARM64_OpARM64MOVHloadidx2(v) + case OpARM64MOVHreg: + return rewriteValueARM64_OpARM64MOVHreg(v) + case OpARM64MOVHstore: + return rewriteValueARM64_OpARM64MOVHstore(v) + case OpARM64MOVHstoreidx: + return rewriteValueARM64_OpARM64MOVHstoreidx(v) + case OpARM64MOVHstoreidx2: + return rewriteValueARM64_OpARM64MOVHstoreidx2(v) + case OpARM64MOVHstorezero: + return rewriteValueARM64_OpARM64MOVHstorezero(v) + case OpARM64MOVHstorezeroidx: + return rewriteValueARM64_OpARM64MOVHstorezeroidx(v) + case OpARM64MOVHstorezeroidx2: + return rewriteValueARM64_OpARM64MOVHstorezeroidx2(v) + case OpARM64MOVQstorezero: + return rewriteValueARM64_OpARM64MOVQstorezero(v) + case OpARM64MOVWUload: + return rewriteValueARM64_OpARM64MOVWUload(v) + case OpARM64MOVWUloadidx: + return rewriteValueARM64_OpARM64MOVWUloadidx(v) + case OpARM64MOVWUloadidx4: + return rewriteValueARM64_OpARM64MOVWUloadidx4(v) + case OpARM64MOVWUreg: + return rewriteValueARM64_OpARM64MOVWUreg(v) + case OpARM64MOVWload: + return rewriteValueARM64_OpARM64MOVWload(v) + case OpARM64MOVWloadidx: + return rewriteValueARM64_OpARM64MOVWloadidx(v) + case OpARM64MOVWloadidx4: + return rewriteValueARM64_OpARM64MOVWloadidx4(v) + case OpARM64MOVWreg: + return rewriteValueARM64_OpARM64MOVWreg(v) + case OpARM64MOVWstore: + return rewriteValueARM64_OpARM64MOVWstore(v) + case OpARM64MOVWstoreidx: + return rewriteValueARM64_OpARM64MOVWstoreidx(v) + case OpARM64MOVWstoreidx4: + return rewriteValueARM64_OpARM64MOVWstoreidx4(v) + case OpARM64MOVWstorezero: + return rewriteValueARM64_OpARM64MOVWstorezero(v) + case OpARM64MOVWstorezeroidx: + return rewriteValueARM64_OpARM64MOVWstorezeroidx(v) + case OpARM64MOVWstorezeroidx4: + return rewriteValueARM64_OpARM64MOVWstorezeroidx4(v) + case OpARM64MSUB: + return rewriteValueARM64_OpARM64MSUB(v) + case OpARM64MSUBW: + return rewriteValueARM64_OpARM64MSUBW(v) + case OpARM64MUL: + return rewriteValueARM64_OpARM64MUL(v) + case OpARM64MULW: + return rewriteValueARM64_OpARM64MULW(v) + case OpARM64MVN: + return rewriteValueARM64_OpARM64MVN(v) + case OpARM64MVNshiftLL: + return rewriteValueARM64_OpARM64MVNshiftLL(v) + case OpARM64MVNshiftRA: + return rewriteValueARM64_OpARM64MVNshiftRA(v) + case OpARM64MVNshiftRL: + return rewriteValueARM64_OpARM64MVNshiftRL(v) + case OpARM64MVNshiftRO: + return rewriteValueARM64_OpARM64MVNshiftRO(v) + case OpARM64NEG: + return rewriteValueARM64_OpARM64NEG(v) + case OpARM64NEGshiftLL: + return rewriteValueARM64_OpARM64NEGshiftLL(v) + case OpARM64NEGshiftRA: + return rewriteValueARM64_OpARM64NEGshiftRA(v) + case OpARM64NEGshiftRL: + return rewriteValueARM64_OpARM64NEGshiftRL(v) + case OpARM64NotEqual: + return rewriteValueARM64_OpARM64NotEqual(v) + case OpARM64OR: + return rewriteValueARM64_OpARM64OR(v) + case OpARM64ORN: + return rewriteValueARM64_OpARM64ORN(v) + case OpARM64ORNshiftLL: + return rewriteValueARM64_OpARM64ORNshiftLL(v) + case OpARM64ORNshiftRA: + return rewriteValueARM64_OpARM64ORNshiftRA(v) + case OpARM64ORNshiftRL: + return rewriteValueARM64_OpARM64ORNshiftRL(v) + case OpARM64ORNshiftRO: + return rewriteValueARM64_OpARM64ORNshiftRO(v) + case OpARM64ORconst: + return rewriteValueARM64_OpARM64ORconst(v) + case OpARM64ORshiftLL: + return rewriteValueARM64_OpARM64ORshiftLL(v) + case OpARM64ORshiftRA: + return rewriteValueARM64_OpARM64ORshiftRA(v) + case OpARM64ORshiftRL: + return rewriteValueARM64_OpARM64ORshiftRL(v) + case OpARM64ORshiftRO: + return rewriteValueARM64_OpARM64ORshiftRO(v) + case OpARM64REV: + return rewriteValueARM64_OpARM64REV(v) + case OpARM64REVW: + return rewriteValueARM64_OpARM64REVW(v) + case OpARM64ROR: + return rewriteValueARM64_OpARM64ROR(v) + case OpARM64RORW: + return rewriteValueARM64_OpARM64RORW(v) + case OpARM64RORWconst: + return rewriteValueARM64_OpARM64RORWconst(v) + case OpARM64RORconst: + return rewriteValueARM64_OpARM64RORconst(v) + case OpARM64SBCSflags: + return rewriteValueARM64_OpARM64SBCSflags(v) + case OpARM64SLL: + return rewriteValueARM64_OpARM64SLL(v) + case OpARM64SLLconst: + return rewriteValueARM64_OpARM64SLLconst(v) + case OpARM64SRA: + return rewriteValueARM64_OpARM64SRA(v) + case OpARM64SRAconst: + return rewriteValueARM64_OpARM64SRAconst(v) + case OpARM64SRL: + return rewriteValueARM64_OpARM64SRL(v) + case OpARM64SRLconst: + return rewriteValueARM64_OpARM64SRLconst(v) + case OpARM64STP: + return rewriteValueARM64_OpARM64STP(v) + case OpARM64SUB: + return rewriteValueARM64_OpARM64SUB(v) + case OpARM64SUBconst: + return rewriteValueARM64_OpARM64SUBconst(v) + case OpARM64SUBshiftLL: + return rewriteValueARM64_OpARM64SUBshiftLL(v) + case OpARM64SUBshiftRA: + return rewriteValueARM64_OpARM64SUBshiftRA(v) + case OpARM64SUBshiftRL: + return rewriteValueARM64_OpARM64SUBshiftRL(v) + case OpARM64TST: + return rewriteValueARM64_OpARM64TST(v) + case OpARM64TSTW: + return rewriteValueARM64_OpARM64TSTW(v) + case OpARM64TSTWconst: + return rewriteValueARM64_OpARM64TSTWconst(v) + case OpARM64TSTconst: + return rewriteValueARM64_OpARM64TSTconst(v) + case OpARM64TSTshiftLL: + return rewriteValueARM64_OpARM64TSTshiftLL(v) + case OpARM64TSTshiftRA: + return rewriteValueARM64_OpARM64TSTshiftRA(v) + case OpARM64TSTshiftRL: + return rewriteValueARM64_OpARM64TSTshiftRL(v) + case OpARM64TSTshiftRO: + return rewriteValueARM64_OpARM64TSTshiftRO(v) + case OpARM64UBFIZ: + return rewriteValueARM64_OpARM64UBFIZ(v) + case OpARM64UBFX: + return rewriteValueARM64_OpARM64UBFX(v) + case OpARM64UDIV: + return rewriteValueARM64_OpARM64UDIV(v) + case OpARM64UDIVW: + return rewriteValueARM64_OpARM64UDIVW(v) + case OpARM64UMOD: + return rewriteValueARM64_OpARM64UMOD(v) + case OpARM64UMODW: + return rewriteValueARM64_OpARM64UMODW(v) + case OpARM64XOR: + return rewriteValueARM64_OpARM64XOR(v) + case OpARM64XORconst: + return rewriteValueARM64_OpARM64XORconst(v) + case OpARM64XORshiftLL: + return rewriteValueARM64_OpARM64XORshiftLL(v) + case OpARM64XORshiftRA: + return rewriteValueARM64_OpARM64XORshiftRA(v) + case OpARM64XORshiftRL: + return rewriteValueARM64_OpARM64XORshiftRL(v) + case OpARM64XORshiftRO: + return rewriteValueARM64_OpARM64XORshiftRO(v) + case OpAbs: + v.Op = OpARM64FABSD + return true + case OpAdd16: + v.Op = OpARM64ADD + return true + case OpAdd32: + v.Op = OpARM64ADD + return true + case OpAdd32F: + v.Op = OpARM64FADDS + return true + case OpAdd64: + v.Op = OpARM64ADD + return true + case OpAdd64F: + v.Op = OpARM64FADDD + return true + case OpAdd8: + v.Op = OpARM64ADD + return true + case OpAddPtr: + v.Op = OpARM64ADD + return true + case OpAddr: + return rewriteValueARM64_OpAddr(v) + case OpAnd16: + v.Op = OpARM64AND + return true + case OpAnd32: + v.Op = OpARM64AND + return true + case OpAnd64: + v.Op = OpARM64AND + return true + case OpAnd8: + v.Op = OpARM64AND + return true + case OpAndB: + v.Op = OpARM64AND + return true + case OpAtomicAdd32: + v.Op = OpARM64LoweredAtomicAdd32 + return true + case OpAtomicAdd32Variant: + v.Op = OpARM64LoweredAtomicAdd32Variant + return true + case OpAtomicAdd64: + v.Op = OpARM64LoweredAtomicAdd64 + return true + case OpAtomicAdd64Variant: + v.Op = OpARM64LoweredAtomicAdd64Variant + return true + case OpAtomicAnd32: + return rewriteValueARM64_OpAtomicAnd32(v) + case OpAtomicAnd32Variant: + return rewriteValueARM64_OpAtomicAnd32Variant(v) + case OpAtomicAnd8: + return rewriteValueARM64_OpAtomicAnd8(v) + case OpAtomicAnd8Variant: + return rewriteValueARM64_OpAtomicAnd8Variant(v) + case OpAtomicCompareAndSwap32: + v.Op = OpARM64LoweredAtomicCas32 + return true + case OpAtomicCompareAndSwap32Variant: + v.Op = OpARM64LoweredAtomicCas32Variant + return true + case OpAtomicCompareAndSwap64: + v.Op = OpARM64LoweredAtomicCas64 + return true + case OpAtomicCompareAndSwap64Variant: + v.Op = OpARM64LoweredAtomicCas64Variant + return true + case OpAtomicExchange32: + v.Op = OpARM64LoweredAtomicExchange32 + return true + case OpAtomicExchange32Variant: + v.Op = OpARM64LoweredAtomicExchange32Variant + return true + case OpAtomicExchange64: + v.Op = OpARM64LoweredAtomicExchange64 + return true + case OpAtomicExchange64Variant: + v.Op = OpARM64LoweredAtomicExchange64Variant + return true + case OpAtomicLoad32: + v.Op = OpARM64LDARW + return true + case OpAtomicLoad64: + v.Op = OpARM64LDAR + return true + case OpAtomicLoad8: + v.Op = OpARM64LDARB + return true + case OpAtomicLoadPtr: + v.Op = OpARM64LDAR + return true + case OpAtomicOr32: + return rewriteValueARM64_OpAtomicOr32(v) + case OpAtomicOr32Variant: + return rewriteValueARM64_OpAtomicOr32Variant(v) + case OpAtomicOr8: + return rewriteValueARM64_OpAtomicOr8(v) + case OpAtomicOr8Variant: + return rewriteValueARM64_OpAtomicOr8Variant(v) + case OpAtomicStore32: + v.Op = OpARM64STLRW + return true + case OpAtomicStore64: + v.Op = OpARM64STLR + return true + case OpAtomicStore8: + v.Op = OpARM64STLRB + return true + case OpAtomicStorePtrNoWB: + v.Op = OpARM64STLR + return true + case OpAvg64u: + return rewriteValueARM64_OpAvg64u(v) + case OpBitLen32: + return rewriteValueARM64_OpBitLen32(v) + case OpBitLen64: + return rewriteValueARM64_OpBitLen64(v) + case OpBitRev16: + return rewriteValueARM64_OpBitRev16(v) + case OpBitRev32: + v.Op = OpARM64RBITW + return true + case OpBitRev64: + v.Op = OpARM64RBIT + return true + case OpBitRev8: + return rewriteValueARM64_OpBitRev8(v) + case OpBswap32: + v.Op = OpARM64REVW + return true + case OpBswap64: + v.Op = OpARM64REV + return true + case OpCeil: + v.Op = OpARM64FRINTPD + return true + case OpClosureCall: + v.Op = OpARM64CALLclosure + return true + case OpCom16: + v.Op = OpARM64MVN + return true + case OpCom32: + v.Op = OpARM64MVN + return true + case OpCom64: + v.Op = OpARM64MVN + return true + case OpCom8: + v.Op = OpARM64MVN + return true + case OpCondSelect: + return rewriteValueARM64_OpCondSelect(v) + case OpConst16: + return rewriteValueARM64_OpConst16(v) + case OpConst32: + return rewriteValueARM64_OpConst32(v) + case OpConst32F: + return rewriteValueARM64_OpConst32F(v) + case OpConst64: + return rewriteValueARM64_OpConst64(v) + case OpConst64F: + return rewriteValueARM64_OpConst64F(v) + case OpConst8: + return rewriteValueARM64_OpConst8(v) + case OpConstBool: + return rewriteValueARM64_OpConstBool(v) + case OpConstNil: + return rewriteValueARM64_OpConstNil(v) + case OpCtz16: + return rewriteValueARM64_OpCtz16(v) + case OpCtz16NonZero: + v.Op = OpCtz32 + return true + case OpCtz32: + return rewriteValueARM64_OpCtz32(v) + case OpCtz32NonZero: + v.Op = OpCtz32 + return true + case OpCtz64: + return rewriteValueARM64_OpCtz64(v) + case OpCtz64NonZero: + v.Op = OpCtz64 + return true + case OpCtz8: + return rewriteValueARM64_OpCtz8(v) + case OpCtz8NonZero: + v.Op = OpCtz32 + return true + case OpCvt32Fto32: + v.Op = OpARM64FCVTZSSW + return true + case OpCvt32Fto32U: + v.Op = OpARM64FCVTZUSW + return true + case OpCvt32Fto64: + v.Op = OpARM64FCVTZSS + return true + case OpCvt32Fto64F: + v.Op = OpARM64FCVTSD + return true + case OpCvt32Fto64U: + v.Op = OpARM64FCVTZUS + return true + case OpCvt32Uto32F: + v.Op = OpARM64UCVTFWS + return true + case OpCvt32Uto64F: + v.Op = OpARM64UCVTFWD + return true + case OpCvt32to32F: + v.Op = OpARM64SCVTFWS + return true + case OpCvt32to64F: + v.Op = OpARM64SCVTFWD + return true + case OpCvt64Fto32: + v.Op = OpARM64FCVTZSDW + return true + case OpCvt64Fto32F: + v.Op = OpARM64FCVTDS + return true + case OpCvt64Fto32U: + v.Op = OpARM64FCVTZUDW + return true + case OpCvt64Fto64: + v.Op = OpARM64FCVTZSD + return true + case OpCvt64Fto64U: + v.Op = OpARM64FCVTZUD + return true + case OpCvt64Uto32F: + v.Op = OpARM64UCVTFS + return true + case OpCvt64Uto64F: + v.Op = OpARM64UCVTFD + return true + case OpCvt64to32F: + v.Op = OpARM64SCVTFS + return true + case OpCvt64to64F: + v.Op = OpARM64SCVTFD + return true + case OpCvtBoolToUint8: + v.Op = OpCopy + return true + case OpDiv16: + return rewriteValueARM64_OpDiv16(v) + case OpDiv16u: + return rewriteValueARM64_OpDiv16u(v) + case OpDiv32: + return rewriteValueARM64_OpDiv32(v) + case OpDiv32F: + v.Op = OpARM64FDIVS + return true + case OpDiv32u: + v.Op = OpARM64UDIVW + return true + case OpDiv64: + return rewriteValueARM64_OpDiv64(v) + case OpDiv64F: + v.Op = OpARM64FDIVD + return true + case OpDiv64u: + v.Op = OpARM64UDIV + return true + case OpDiv8: + return rewriteValueARM64_OpDiv8(v) + case OpDiv8u: + return rewriteValueARM64_OpDiv8u(v) + case OpEq16: + return rewriteValueARM64_OpEq16(v) + case OpEq32: + return rewriteValueARM64_OpEq32(v) + case OpEq32F: + return rewriteValueARM64_OpEq32F(v) + case OpEq64: + return rewriteValueARM64_OpEq64(v) + case OpEq64F: + return rewriteValueARM64_OpEq64F(v) + case OpEq8: + return rewriteValueARM64_OpEq8(v) + case OpEqB: + return rewriteValueARM64_OpEqB(v) + case OpEqPtr: + return rewriteValueARM64_OpEqPtr(v) + case OpFMA: + return rewriteValueARM64_OpFMA(v) + case OpFloor: + v.Op = OpARM64FRINTMD + return true + case OpGetCallerPC: + v.Op = OpARM64LoweredGetCallerPC + return true + case OpGetCallerSP: + v.Op = OpARM64LoweredGetCallerSP + return true + case OpGetClosurePtr: + v.Op = OpARM64LoweredGetClosurePtr + return true + case OpHmul32: + return rewriteValueARM64_OpHmul32(v) + case OpHmul32u: + return rewriteValueARM64_OpHmul32u(v) + case OpHmul64: + v.Op = OpARM64MULH + return true + case OpHmul64u: + v.Op = OpARM64UMULH + return true + case OpInterCall: + v.Op = OpARM64CALLinter + return true + case OpIsInBounds: + return rewriteValueARM64_OpIsInBounds(v) + case OpIsNonNil: + return rewriteValueARM64_OpIsNonNil(v) + case OpIsSliceInBounds: + return rewriteValueARM64_OpIsSliceInBounds(v) + case OpLeq16: + return rewriteValueARM64_OpLeq16(v) + case OpLeq16U: + return rewriteValueARM64_OpLeq16U(v) + case OpLeq32: + return rewriteValueARM64_OpLeq32(v) + case OpLeq32F: + return rewriteValueARM64_OpLeq32F(v) + case OpLeq32U: + return rewriteValueARM64_OpLeq32U(v) + case OpLeq64: + return rewriteValueARM64_OpLeq64(v) + case OpLeq64F: + return rewriteValueARM64_OpLeq64F(v) + case OpLeq64U: + return rewriteValueARM64_OpLeq64U(v) + case OpLeq8: + return rewriteValueARM64_OpLeq8(v) + case OpLeq8U: + return rewriteValueARM64_OpLeq8U(v) + case OpLess16: + return rewriteValueARM64_OpLess16(v) + case OpLess16U: + return rewriteValueARM64_OpLess16U(v) + case OpLess32: + return rewriteValueARM64_OpLess32(v) + case OpLess32F: + return rewriteValueARM64_OpLess32F(v) + case OpLess32U: + return rewriteValueARM64_OpLess32U(v) + case OpLess64: + return rewriteValueARM64_OpLess64(v) + case OpLess64F: + return rewriteValueARM64_OpLess64F(v) + case OpLess64U: + return rewriteValueARM64_OpLess64U(v) + case OpLess8: + return rewriteValueARM64_OpLess8(v) + case OpLess8U: + return rewriteValueARM64_OpLess8U(v) + case OpLoad: + return rewriteValueARM64_OpLoad(v) + case OpLocalAddr: + return rewriteValueARM64_OpLocalAddr(v) + case OpLsh16x16: + return rewriteValueARM64_OpLsh16x16(v) + case OpLsh16x32: + return rewriteValueARM64_OpLsh16x32(v) + case OpLsh16x64: + return rewriteValueARM64_OpLsh16x64(v) + case OpLsh16x8: + return rewriteValueARM64_OpLsh16x8(v) + case OpLsh32x16: + return rewriteValueARM64_OpLsh32x16(v) + case OpLsh32x32: + return rewriteValueARM64_OpLsh32x32(v) + case OpLsh32x64: + return rewriteValueARM64_OpLsh32x64(v) + case OpLsh32x8: + return rewriteValueARM64_OpLsh32x8(v) + case OpLsh64x16: + return rewriteValueARM64_OpLsh64x16(v) + case OpLsh64x32: + return rewriteValueARM64_OpLsh64x32(v) + case OpLsh64x64: + return rewriteValueARM64_OpLsh64x64(v) + case OpLsh64x8: + return rewriteValueARM64_OpLsh64x8(v) + case OpLsh8x16: + return rewriteValueARM64_OpLsh8x16(v) + case OpLsh8x32: + return rewriteValueARM64_OpLsh8x32(v) + case OpLsh8x64: + return rewriteValueARM64_OpLsh8x64(v) + case OpLsh8x8: + return rewriteValueARM64_OpLsh8x8(v) + case OpMod16: + return rewriteValueARM64_OpMod16(v) + case OpMod16u: + return rewriteValueARM64_OpMod16u(v) + case OpMod32: + return rewriteValueARM64_OpMod32(v) + case OpMod32u: + v.Op = OpARM64UMODW + return true + case OpMod64: + return rewriteValueARM64_OpMod64(v) + case OpMod64u: + v.Op = OpARM64UMOD + return true + case OpMod8: + return rewriteValueARM64_OpMod8(v) + case OpMod8u: + return rewriteValueARM64_OpMod8u(v) + case OpMove: + return rewriteValueARM64_OpMove(v) + case OpMul16: + v.Op = OpARM64MULW + return true + case OpMul32: + v.Op = OpARM64MULW + return true + case OpMul32F: + v.Op = OpARM64FMULS + return true + case OpMul64: + v.Op = OpARM64MUL + return true + case OpMul64F: + v.Op = OpARM64FMULD + return true + case OpMul64uhilo: + v.Op = OpARM64LoweredMuluhilo + return true + case OpMul8: + v.Op = OpARM64MULW + return true + case OpNeg16: + v.Op = OpARM64NEG + return true + case OpNeg32: + v.Op = OpARM64NEG + return true + case OpNeg32F: + v.Op = OpARM64FNEGS + return true + case OpNeg64: + v.Op = OpARM64NEG + return true + case OpNeg64F: + v.Op = OpARM64FNEGD + return true + case OpNeg8: + v.Op = OpARM64NEG + return true + case OpNeq16: + return rewriteValueARM64_OpNeq16(v) + case OpNeq32: + return rewriteValueARM64_OpNeq32(v) + case OpNeq32F: + return rewriteValueARM64_OpNeq32F(v) + case OpNeq64: + return rewriteValueARM64_OpNeq64(v) + case OpNeq64F: + return rewriteValueARM64_OpNeq64F(v) + case OpNeq8: + return rewriteValueARM64_OpNeq8(v) + case OpNeqB: + v.Op = OpARM64XOR + return true + case OpNeqPtr: + return rewriteValueARM64_OpNeqPtr(v) + case OpNilCheck: + v.Op = OpARM64LoweredNilCheck + return true + case OpNot: + return rewriteValueARM64_OpNot(v) + case OpOffPtr: + return rewriteValueARM64_OpOffPtr(v) + case OpOr16: + v.Op = OpARM64OR + return true + case OpOr32: + v.Op = OpARM64OR + return true + case OpOr64: + v.Op = OpARM64OR + return true + case OpOr8: + v.Op = OpARM64OR + return true + case OpOrB: + v.Op = OpARM64OR + return true + case OpPanicBounds: + return rewriteValueARM64_OpPanicBounds(v) + case OpPopCount16: + return rewriteValueARM64_OpPopCount16(v) + case OpPopCount32: + return rewriteValueARM64_OpPopCount32(v) + case OpPopCount64: + return rewriteValueARM64_OpPopCount64(v) + case OpPrefetchCache: + return rewriteValueARM64_OpPrefetchCache(v) + case OpPrefetchCacheStreamed: + return rewriteValueARM64_OpPrefetchCacheStreamed(v) + case OpPubBarrier: + return rewriteValueARM64_OpPubBarrier(v) + case OpRotateLeft16: + return rewriteValueARM64_OpRotateLeft16(v) + case OpRotateLeft32: + return rewriteValueARM64_OpRotateLeft32(v) + case OpRotateLeft64: + return rewriteValueARM64_OpRotateLeft64(v) + case OpRotateLeft8: + return rewriteValueARM64_OpRotateLeft8(v) + case OpRound: + v.Op = OpARM64FRINTAD + return true + case OpRound32F: + v.Op = OpARM64LoweredRound32F + return true + case OpRound64F: + v.Op = OpARM64LoweredRound64F + return true + case OpRoundToEven: + v.Op = OpARM64FRINTND + return true + case OpRsh16Ux16: + return rewriteValueARM64_OpRsh16Ux16(v) + case OpRsh16Ux32: + return rewriteValueARM64_OpRsh16Ux32(v) + case OpRsh16Ux64: + return rewriteValueARM64_OpRsh16Ux64(v) + case OpRsh16Ux8: + return rewriteValueARM64_OpRsh16Ux8(v) + case OpRsh16x16: + return rewriteValueARM64_OpRsh16x16(v) + case OpRsh16x32: + return rewriteValueARM64_OpRsh16x32(v) + case OpRsh16x64: + return rewriteValueARM64_OpRsh16x64(v) + case OpRsh16x8: + return rewriteValueARM64_OpRsh16x8(v) + case OpRsh32Ux16: + return rewriteValueARM64_OpRsh32Ux16(v) + case OpRsh32Ux32: + return rewriteValueARM64_OpRsh32Ux32(v) + case OpRsh32Ux64: + return rewriteValueARM64_OpRsh32Ux64(v) + case OpRsh32Ux8: + return rewriteValueARM64_OpRsh32Ux8(v) + case OpRsh32x16: + return rewriteValueARM64_OpRsh32x16(v) + case OpRsh32x32: + return rewriteValueARM64_OpRsh32x32(v) + case OpRsh32x64: + return rewriteValueARM64_OpRsh32x64(v) + case OpRsh32x8: + return rewriteValueARM64_OpRsh32x8(v) + case OpRsh64Ux16: + return rewriteValueARM64_OpRsh64Ux16(v) + case OpRsh64Ux32: + return rewriteValueARM64_OpRsh64Ux32(v) + case OpRsh64Ux64: + return rewriteValueARM64_OpRsh64Ux64(v) + case OpRsh64Ux8: + return rewriteValueARM64_OpRsh64Ux8(v) + case OpRsh64x16: + return rewriteValueARM64_OpRsh64x16(v) + case OpRsh64x32: + return rewriteValueARM64_OpRsh64x32(v) + case OpRsh64x64: + return rewriteValueARM64_OpRsh64x64(v) + case OpRsh64x8: + return rewriteValueARM64_OpRsh64x8(v) + case OpRsh8Ux16: + return rewriteValueARM64_OpRsh8Ux16(v) + case OpRsh8Ux32: + return rewriteValueARM64_OpRsh8Ux32(v) + case OpRsh8Ux64: + return rewriteValueARM64_OpRsh8Ux64(v) + case OpRsh8Ux8: + return rewriteValueARM64_OpRsh8Ux8(v) + case OpRsh8x16: + return rewriteValueARM64_OpRsh8x16(v) + case OpRsh8x32: + return rewriteValueARM64_OpRsh8x32(v) + case OpRsh8x64: + return rewriteValueARM64_OpRsh8x64(v) + case OpRsh8x8: + return rewriteValueARM64_OpRsh8x8(v) + case OpSelect0: + return rewriteValueARM64_OpSelect0(v) + case OpSelect1: + return rewriteValueARM64_OpSelect1(v) + case OpSelectN: + return rewriteValueARM64_OpSelectN(v) + case OpSignExt16to32: + v.Op = OpARM64MOVHreg + return true + case OpSignExt16to64: + v.Op = OpARM64MOVHreg + return true + case OpSignExt32to64: + v.Op = OpARM64MOVWreg + return true + case OpSignExt8to16: + v.Op = OpARM64MOVBreg + return true + case OpSignExt8to32: + v.Op = OpARM64MOVBreg + return true + case OpSignExt8to64: + v.Op = OpARM64MOVBreg + return true + case OpSlicemask: + return rewriteValueARM64_OpSlicemask(v) + case OpSqrt: + v.Op = OpARM64FSQRTD + return true + case OpSqrt32: + v.Op = OpARM64FSQRTS + return true + case OpStaticCall: + v.Op = OpARM64CALLstatic + return true + case OpStore: + return rewriteValueARM64_OpStore(v) + case OpSub16: + v.Op = OpARM64SUB + return true + case OpSub32: + v.Op = OpARM64SUB + return true + case OpSub32F: + v.Op = OpARM64FSUBS + return true + case OpSub64: + v.Op = OpARM64SUB + return true + case OpSub64F: + v.Op = OpARM64FSUBD + return true + case OpSub8: + v.Op = OpARM64SUB + return true + case OpSubPtr: + v.Op = OpARM64SUB + return true + case OpTailCall: + v.Op = OpARM64CALLtail + return true + case OpTrunc: + v.Op = OpARM64FRINTZD + return true + case OpTrunc16to8: + v.Op = OpCopy + return true + case OpTrunc32to16: + v.Op = OpCopy + return true + case OpTrunc32to8: + v.Op = OpCopy + return true + case OpTrunc64to16: + v.Op = OpCopy + return true + case OpTrunc64to32: + v.Op = OpCopy + return true + case OpTrunc64to8: + v.Op = OpCopy + return true + case OpWB: + v.Op = OpARM64LoweredWB + return true + case OpXor16: + v.Op = OpARM64XOR + return true + case OpXor32: + v.Op = OpARM64XOR + return true + case OpXor64: + v.Op = OpARM64XOR + return true + case OpXor8: + v.Op = OpARM64XOR + return true + case OpZero: + return rewriteValueARM64_OpZero(v) + case OpZeroExt16to32: + v.Op = OpARM64MOVHUreg + return true + case OpZeroExt16to64: + v.Op = OpARM64MOVHUreg + return true + case OpZeroExt32to64: + v.Op = OpARM64MOVWUreg + return true + case OpZeroExt8to16: + v.Op = OpARM64MOVBUreg + return true + case OpZeroExt8to32: + v.Op = OpARM64MOVBUreg + return true + case OpZeroExt8to64: + v.Op = OpARM64MOVBUreg + return true + } + return false +} +func rewriteValueARM64_OpARM64ADCSflags(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (ADCSflags x y (Select1 <types.TypeFlags> (ADDSconstflags [-1] (ADCzerocarry <typ.UInt64> c)))) + // result: (ADCSflags x y c) + for { + x := v_0 + y := v_1 + if v_2.Op != OpSelect1 || v_2.Type != types.TypeFlags { + break + } + v_2_0 := v_2.Args[0] + if v_2_0.Op != OpARM64ADDSconstflags || auxIntToInt64(v_2_0.AuxInt) != -1 { + break + } + v_2_0_0 := v_2_0.Args[0] + if v_2_0_0.Op != OpARM64ADCzerocarry || v_2_0_0.Type != typ.UInt64 { + break + } + c := v_2_0_0.Args[0] + v.reset(OpARM64ADCSflags) + v.AddArg3(x, y, c) + return true + } + // match: (ADCSflags x y (Select1 <types.TypeFlags> (ADDSconstflags [-1] (MOVDconst [0])))) + // result: (ADDSflags x y) + for { + x := v_0 + y := v_1 + if v_2.Op != OpSelect1 || v_2.Type != types.TypeFlags { + break + } + v_2_0 := v_2.Args[0] + if v_2_0.Op != OpARM64ADDSconstflags || auxIntToInt64(v_2_0.AuxInt) != -1 { + break + } + v_2_0_0 := v_2_0.Args[0] + if v_2_0_0.Op != OpARM64MOVDconst || auxIntToInt64(v_2_0_0.AuxInt) != 0 { + break + } + v.reset(OpARM64ADDSflags) + v.AddArg2(x, y) + return true + } + return false +} +func rewriteValueARM64_OpARM64ADD(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (ADD x (MOVDconst [c])) + // result: (ADDconst [c] x) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64ADDconst) + v.AuxInt = int64ToAuxInt(c) + v.AddArg(x) + return true + } + break + } + // match: (ADD a l:(MUL x y)) + // cond: l.Uses==1 && clobber(l) + // result: (MADD a x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + a := v_0 + l := v_1 + if l.Op != OpARM64MUL { + continue + } + y := l.Args[1] + x := l.Args[0] + if !(l.Uses == 1 && clobber(l)) { + continue + } + v.reset(OpARM64MADD) + v.AddArg3(a, x, y) + return true + } + break + } + // match: (ADD a l:(MNEG x y)) + // cond: l.Uses==1 && clobber(l) + // result: (MSUB a x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + a := v_0 + l := v_1 + if l.Op != OpARM64MNEG { + continue + } + y := l.Args[1] + x := l.Args[0] + if !(l.Uses == 1 && clobber(l)) { + continue + } + v.reset(OpARM64MSUB) + v.AddArg3(a, x, y) + return true + } + break + } + // match: (ADD a l:(MULW x y)) + // cond: a.Type.Size() != 8 && l.Uses==1 && clobber(l) + // result: (MADDW a x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + a := v_0 + l := v_1 + if l.Op != OpARM64MULW { + continue + } + y := l.Args[1] + x := l.Args[0] + if !(a.Type.Size() != 8 && l.Uses == 1 && clobber(l)) { + continue + } + v.reset(OpARM64MADDW) + v.AddArg3(a, x, y) + return true + } + break + } + // match: (ADD a l:(MNEGW x y)) + // cond: a.Type.Size() != 8 && l.Uses==1 && clobber(l) + // result: (MSUBW a x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + a := v_0 + l := v_1 + if l.Op != OpARM64MNEGW { + continue + } + y := l.Args[1] + x := l.Args[0] + if !(a.Type.Size() != 8 && l.Uses == 1 && clobber(l)) { + continue + } + v.reset(OpARM64MSUBW) + v.AddArg3(a, x, y) + return true + } + break + } + // match: (ADD x (NEG y)) + // result: (SUB x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64NEG { + continue + } + y := v_1.Args[0] + v.reset(OpARM64SUB) + v.AddArg2(x, y) + return true + } + break + } + // match: (ADD x0 x1:(SLLconst [c] y)) + // cond: clobberIfDead(x1) + // result: (ADDshiftLL x0 y [c]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SLLconst { + continue + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + continue + } + v.reset(OpARM64ADDshiftLL) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + break + } + // match: (ADD x0 x1:(SRLconst [c] y)) + // cond: clobberIfDead(x1) + // result: (ADDshiftRL x0 y [c]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SRLconst { + continue + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + continue + } + v.reset(OpARM64ADDshiftRL) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + break + } + // match: (ADD x0 x1:(SRAconst [c] y)) + // cond: clobberIfDead(x1) + // result: (ADDshiftRA x0 y [c]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SRAconst { + continue + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + continue + } + v.reset(OpARM64ADDshiftRA) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + break + } + // match: (ADD (SLL x (ANDconst <t> [63] y)) (CSEL0 <typ.UInt64> [cc] (SRL <typ.UInt64> x (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))) (CMPconst [64] (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))))) + // cond: cc == OpARM64LessThanU + // result: (ROR x (NEG <t> y)) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpARM64SLL { + continue + } + _ = v_0.Args[1] + x := v_0.Args[0] + v_0_1 := v_0.Args[1] + if v_0_1.Op != OpARM64ANDconst { + continue + } + t := v_0_1.Type + if auxIntToInt64(v_0_1.AuxInt) != 63 { + continue + } + y := v_0_1.Args[0] + if v_1.Op != OpARM64CSEL0 || v_1.Type != typ.UInt64 { + continue + } + cc := auxIntToOp(v_1.AuxInt) + _ = v_1.Args[1] + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpARM64SRL || v_1_0.Type != typ.UInt64 { + continue + } + _ = v_1_0.Args[1] + if x != v_1_0.Args[0] { + continue + } + v_1_0_1 := v_1_0.Args[1] + if v_1_0_1.Op != OpARM64SUB || v_1_0_1.Type != t { + continue + } + _ = v_1_0_1.Args[1] + v_1_0_1_0 := v_1_0_1.Args[0] + if v_1_0_1_0.Op != OpARM64MOVDconst || auxIntToInt64(v_1_0_1_0.AuxInt) != 64 { + continue + } + v_1_0_1_1 := v_1_0_1.Args[1] + if v_1_0_1_1.Op != OpARM64ANDconst || v_1_0_1_1.Type != t || auxIntToInt64(v_1_0_1_1.AuxInt) != 63 || y != v_1_0_1_1.Args[0] { + continue + } + v_1_1 := v_1.Args[1] + if v_1_1.Op != OpARM64CMPconst || auxIntToInt64(v_1_1.AuxInt) != 64 { + continue + } + v_1_1_0 := v_1_1.Args[0] + if v_1_1_0.Op != OpARM64SUB || v_1_1_0.Type != t { + continue + } + _ = v_1_1_0.Args[1] + v_1_1_0_0 := v_1_1_0.Args[0] + if v_1_1_0_0.Op != OpARM64MOVDconst || auxIntToInt64(v_1_1_0_0.AuxInt) != 64 { + continue + } + v_1_1_0_1 := v_1_1_0.Args[1] + if v_1_1_0_1.Op != OpARM64ANDconst || v_1_1_0_1.Type != t || auxIntToInt64(v_1_1_0_1.AuxInt) != 63 || y != v_1_1_0_1.Args[0] || !(cc == OpARM64LessThanU) { + continue + } + v.reset(OpARM64ROR) + v0 := b.NewValue0(v.Pos, OpARM64NEG, t) + v0.AddArg(y) + v.AddArg2(x, v0) + return true + } + break + } + // match: (ADD (SRL <typ.UInt64> x (ANDconst <t> [63] y)) (CSEL0 <typ.UInt64> [cc] (SLL x (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))) (CMPconst [64] (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))))) + // cond: cc == OpARM64LessThanU + // result: (ROR x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpARM64SRL || v_0.Type != typ.UInt64 { + continue + } + _ = v_0.Args[1] + x := v_0.Args[0] + v_0_1 := v_0.Args[1] + if v_0_1.Op != OpARM64ANDconst { + continue + } + t := v_0_1.Type + if auxIntToInt64(v_0_1.AuxInt) != 63 { + continue + } + y := v_0_1.Args[0] + if v_1.Op != OpARM64CSEL0 || v_1.Type != typ.UInt64 { + continue + } + cc := auxIntToOp(v_1.AuxInt) + _ = v_1.Args[1] + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpARM64SLL { + continue + } + _ = v_1_0.Args[1] + if x != v_1_0.Args[0] { + continue + } + v_1_0_1 := v_1_0.Args[1] + if v_1_0_1.Op != OpARM64SUB || v_1_0_1.Type != t { + continue + } + _ = v_1_0_1.Args[1] + v_1_0_1_0 := v_1_0_1.Args[0] + if v_1_0_1_0.Op != OpARM64MOVDconst || auxIntToInt64(v_1_0_1_0.AuxInt) != 64 { + continue + } + v_1_0_1_1 := v_1_0_1.Args[1] + if v_1_0_1_1.Op != OpARM64ANDconst || v_1_0_1_1.Type != t || auxIntToInt64(v_1_0_1_1.AuxInt) != 63 || y != v_1_0_1_1.Args[0] { + continue + } + v_1_1 := v_1.Args[1] + if v_1_1.Op != OpARM64CMPconst || auxIntToInt64(v_1_1.AuxInt) != 64 { + continue + } + v_1_1_0 := v_1_1.Args[0] + if v_1_1_0.Op != OpARM64SUB || v_1_1_0.Type != t { + continue + } + _ = v_1_1_0.Args[1] + v_1_1_0_0 := v_1_1_0.Args[0] + if v_1_1_0_0.Op != OpARM64MOVDconst || auxIntToInt64(v_1_1_0_0.AuxInt) != 64 { + continue + } + v_1_1_0_1 := v_1_1_0.Args[1] + if v_1_1_0_1.Op != OpARM64ANDconst || v_1_1_0_1.Type != t || auxIntToInt64(v_1_1_0_1.AuxInt) != 63 || y != v_1_1_0_1.Args[0] || !(cc == OpARM64LessThanU) { + continue + } + v.reset(OpARM64ROR) + v.AddArg2(x, y) + return true + } + break + } + // match: (ADD (SLL x (ANDconst <t> [31] y)) (CSEL0 <typ.UInt32> [cc] (SRL <typ.UInt32> (MOVWUreg x) (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))) (CMPconst [64] (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))))) + // cond: cc == OpARM64LessThanU + // result: (RORW x (NEG <t> y)) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpARM64SLL { + continue + } + _ = v_0.Args[1] + x := v_0.Args[0] + v_0_1 := v_0.Args[1] + if v_0_1.Op != OpARM64ANDconst { + continue + } + t := v_0_1.Type + if auxIntToInt64(v_0_1.AuxInt) != 31 { + continue + } + y := v_0_1.Args[0] + if v_1.Op != OpARM64CSEL0 || v_1.Type != typ.UInt32 { + continue + } + cc := auxIntToOp(v_1.AuxInt) + _ = v_1.Args[1] + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpARM64SRL || v_1_0.Type != typ.UInt32 { + continue + } + _ = v_1_0.Args[1] + v_1_0_0 := v_1_0.Args[0] + if v_1_0_0.Op != OpARM64MOVWUreg || x != v_1_0_0.Args[0] { + continue + } + v_1_0_1 := v_1_0.Args[1] + if v_1_0_1.Op != OpARM64SUB || v_1_0_1.Type != t { + continue + } + _ = v_1_0_1.Args[1] + v_1_0_1_0 := v_1_0_1.Args[0] + if v_1_0_1_0.Op != OpARM64MOVDconst || auxIntToInt64(v_1_0_1_0.AuxInt) != 32 { + continue + } + v_1_0_1_1 := v_1_0_1.Args[1] + if v_1_0_1_1.Op != OpARM64ANDconst || v_1_0_1_1.Type != t || auxIntToInt64(v_1_0_1_1.AuxInt) != 31 || y != v_1_0_1_1.Args[0] { + continue + } + v_1_1 := v_1.Args[1] + if v_1_1.Op != OpARM64CMPconst || auxIntToInt64(v_1_1.AuxInt) != 64 { + continue + } + v_1_1_0 := v_1_1.Args[0] + if v_1_1_0.Op != OpARM64SUB || v_1_1_0.Type != t { + continue + } + _ = v_1_1_0.Args[1] + v_1_1_0_0 := v_1_1_0.Args[0] + if v_1_1_0_0.Op != OpARM64MOVDconst || auxIntToInt64(v_1_1_0_0.AuxInt) != 32 { + continue + } + v_1_1_0_1 := v_1_1_0.Args[1] + if v_1_1_0_1.Op != OpARM64ANDconst || v_1_1_0_1.Type != t || auxIntToInt64(v_1_1_0_1.AuxInt) != 31 || y != v_1_1_0_1.Args[0] || !(cc == OpARM64LessThanU) { + continue + } + v.reset(OpARM64RORW) + v0 := b.NewValue0(v.Pos, OpARM64NEG, t) + v0.AddArg(y) + v.AddArg2(x, v0) + return true + } + break + } + // match: (ADD (SRL <typ.UInt32> (MOVWUreg x) (ANDconst <t> [31] y)) (CSEL0 <typ.UInt32> [cc] (SLL x (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))) (CMPconst [64] (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))))) + // cond: cc == OpARM64LessThanU + // result: (RORW x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpARM64SRL || v_0.Type != typ.UInt32 { + continue + } + _ = v_0.Args[1] + v_0_0 := v_0.Args[0] + if v_0_0.Op != OpARM64MOVWUreg { + continue + } + x := v_0_0.Args[0] + v_0_1 := v_0.Args[1] + if v_0_1.Op != OpARM64ANDconst { + continue + } + t := v_0_1.Type + if auxIntToInt64(v_0_1.AuxInt) != 31 { + continue + } + y := v_0_1.Args[0] + if v_1.Op != OpARM64CSEL0 || v_1.Type != typ.UInt32 { + continue + } + cc := auxIntToOp(v_1.AuxInt) + _ = v_1.Args[1] + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpARM64SLL { + continue + } + _ = v_1_0.Args[1] + if x != v_1_0.Args[0] { + continue + } + v_1_0_1 := v_1_0.Args[1] + if v_1_0_1.Op != OpARM64SUB || v_1_0_1.Type != t { + continue + } + _ = v_1_0_1.Args[1] + v_1_0_1_0 := v_1_0_1.Args[0] + if v_1_0_1_0.Op != OpARM64MOVDconst || auxIntToInt64(v_1_0_1_0.AuxInt) != 32 { + continue + } + v_1_0_1_1 := v_1_0_1.Args[1] + if v_1_0_1_1.Op != OpARM64ANDconst || v_1_0_1_1.Type != t || auxIntToInt64(v_1_0_1_1.AuxInt) != 31 || y != v_1_0_1_1.Args[0] { + continue + } + v_1_1 := v_1.Args[1] + if v_1_1.Op != OpARM64CMPconst || auxIntToInt64(v_1_1.AuxInt) != 64 { + continue + } + v_1_1_0 := v_1_1.Args[0] + if v_1_1_0.Op != OpARM64SUB || v_1_1_0.Type != t { + continue + } + _ = v_1_1_0.Args[1] + v_1_1_0_0 := v_1_1_0.Args[0] + if v_1_1_0_0.Op != OpARM64MOVDconst || auxIntToInt64(v_1_1_0_0.AuxInt) != 32 { + continue + } + v_1_1_0_1 := v_1_1_0.Args[1] + if v_1_1_0_1.Op != OpARM64ANDconst || v_1_1_0_1.Type != t || auxIntToInt64(v_1_1_0_1.AuxInt) != 31 || y != v_1_1_0_1.Args[0] || !(cc == OpARM64LessThanU) { + continue + } + v.reset(OpARM64RORW) + v.AddArg2(x, y) + return true + } + break + } + return false +} +func rewriteValueARM64_OpARM64ADDconst(v *Value) bool { + v_0 := v.Args[0] + // match: (ADDconst [off1] (MOVDaddr [off2] {sym} ptr)) + // cond: is32Bit(off1+int64(off2)) + // result: (MOVDaddr [int32(off1)+off2] {sym} ptr) + for { + off1 := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDaddr { + break + } + off2 := auxIntToInt32(v_0.AuxInt) + sym := auxToSym(v_0.Aux) + ptr := v_0.Args[0] + if !(is32Bit(off1 + int64(off2))) { + break + } + v.reset(OpARM64MOVDaddr) + v.AuxInt = int32ToAuxInt(int32(off1) + off2) + v.Aux = symToAux(sym) + v.AddArg(ptr) + return true + } + // match: (ADDconst [0] x) + // result: x + for { + if auxIntToInt64(v.AuxInt) != 0 { + break + } + x := v_0 + v.copyOf(x) + return true + } + // match: (ADDconst [c] (MOVDconst [d])) + // result: (MOVDconst [c+d]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + d := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(c + d) + return true + } + // match: (ADDconst [c] (ADDconst [d] x)) + // result: (ADDconst [c+d] x) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64ADDconst { + break + } + d := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + v.reset(OpARM64ADDconst) + v.AuxInt = int64ToAuxInt(c + d) + v.AddArg(x) + return true + } + // match: (ADDconst [c] (SUBconst [d] x)) + // result: (ADDconst [c-d] x) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SUBconst { + break + } + d := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + v.reset(OpARM64ADDconst) + v.AuxInt = int64ToAuxInt(c - d) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64ADDshiftLL(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (ADDshiftLL (MOVDconst [c]) x [d]) + // result: (ADDconst [c] (SLLconst <x.Type> x [d])) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64ADDconst) + v.AuxInt = int64ToAuxInt(c) + v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) + v0.AuxInt = int64ToAuxInt(d) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: (ADDshiftLL x (MOVDconst [c]) [d]) + // result: (ADDconst x [int64(uint64(c)<<uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64ADDconst) + v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d))) + v.AddArg(x) + return true + } + // match: (ADDshiftLL [c] (SRLconst x [64-c]) x) + // result: (RORconst [64-c] x) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 64-c { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64RORconst) + v.AuxInt = int64ToAuxInt(64 - c) + v.AddArg(x) + return true + } + // match: (ADDshiftLL <t> [c] (UBFX [bfc] x) x) + // cond: c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c) + // result: (RORWconst [32-c] x) + for { + t := v.Type + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64UBFX { + break + } + bfc := auxIntToArm64BitField(v_0.AuxInt) + x := v_0.Args[0] + if x != v_1 || !(c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)) { + break + } + v.reset(OpARM64RORWconst) + v.AuxInt = int64ToAuxInt(32 - c) + v.AddArg(x) + return true + } + // match: (ADDshiftLL <typ.UInt16> [8] (UBFX <typ.UInt16> [armBFAuxInt(8, 8)] x) x) + // result: (REV16W x) + for { + if v.Type != typ.UInt16 || auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || v_0.Type != typ.UInt16 || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 8) { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64REV16W) + v.AddArg(x) + return true + } + // match: (ADDshiftLL [8] (UBFX [armBFAuxInt(8, 24)] (ANDconst [c1] x)) (ANDconst [c2] x)) + // cond: uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff + // result: (REV16W x) + for { + if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 24) { + break + } + v_0_0 := v_0.Args[0] + if v_0_0.Op != OpARM64ANDconst { + break + } + c1 := auxIntToInt64(v_0_0.AuxInt) + x := v_0_0.Args[0] + if v_1.Op != OpARM64ANDconst { + break + } + c2 := auxIntToInt64(v_1.AuxInt) + if x != v_1.Args[0] || !(uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff) { + break + } + v.reset(OpARM64REV16W) + v.AddArg(x) + return true + } + // match: (ADDshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x)) + // cond: (uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff) + // result: (REV16 x) + for { + if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 { + break + } + v_0_0 := v_0.Args[0] + if v_0_0.Op != OpARM64ANDconst { + break + } + c1 := auxIntToInt64(v_0_0.AuxInt) + x := v_0_0.Args[0] + if v_1.Op != OpARM64ANDconst { + break + } + c2 := auxIntToInt64(v_1.AuxInt) + if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff) { + break + } + v.reset(OpARM64REV16) + v.AddArg(x) + return true + } + // match: (ADDshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x)) + // cond: (uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff) + // result: (REV16 (ANDconst <x.Type> [0xffffffff] x)) + for { + if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 { + break + } + v_0_0 := v_0.Args[0] + if v_0_0.Op != OpARM64ANDconst { + break + } + c1 := auxIntToInt64(v_0_0.AuxInt) + x := v_0_0.Args[0] + if v_1.Op != OpARM64ANDconst { + break + } + c2 := auxIntToInt64(v_1.AuxInt) + if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff) { + break + } + v.reset(OpARM64REV16) + v0 := b.NewValue0(v.Pos, OpARM64ANDconst, x.Type) + v0.AuxInt = int64ToAuxInt(0xffffffff) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: (ADDshiftLL [c] (SRLconst x [64-c]) x2) + // result: (EXTRconst [64-c] x2 x) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 64-c { + break + } + x := v_0.Args[0] + x2 := v_1 + v.reset(OpARM64EXTRconst) + v.AuxInt = int64ToAuxInt(64 - c) + v.AddArg2(x2, x) + return true + } + // match: (ADDshiftLL <t> [c] (UBFX [bfc] x) x2) + // cond: c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c) + // result: (EXTRWconst [32-c] x2 x) + for { + t := v.Type + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64UBFX { + break + } + bfc := auxIntToArm64BitField(v_0.AuxInt) + x := v_0.Args[0] + x2 := v_1 + if !(c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)) { + break + } + v.reset(OpARM64EXTRWconst) + v.AuxInt = int64ToAuxInt(32 - c) + v.AddArg2(x2, x) + return true + } + return false +} +func rewriteValueARM64_OpARM64ADDshiftRA(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (ADDshiftRA (MOVDconst [c]) x [d]) + // result: (ADDconst [c] (SRAconst <x.Type> x [d])) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64ADDconst) + v.AuxInt = int64ToAuxInt(c) + v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type) + v0.AuxInt = int64ToAuxInt(d) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: (ADDshiftRA x (MOVDconst [c]) [d]) + // result: (ADDconst x [c>>uint64(d)]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64ADDconst) + v.AuxInt = int64ToAuxInt(c >> uint64(d)) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64ADDshiftRL(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (ADDshiftRL (MOVDconst [c]) x [d]) + // result: (ADDconst [c] (SRLconst <x.Type> x [d])) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64ADDconst) + v.AuxInt = int64ToAuxInt(c) + v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type) + v0.AuxInt = int64ToAuxInt(d) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: (ADDshiftRL x (MOVDconst [c]) [d]) + // result: (ADDconst x [int64(uint64(c)>>uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64ADDconst) + v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d))) + v.AddArg(x) + return true + } + // match: (ADDshiftRL [c] (SLLconst x [64-c]) x) + // result: (RORconst [ c] x) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 64-c { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64RORconst) + v.AuxInt = int64ToAuxInt(c) + v.AddArg(x) + return true + } + // match: (ADDshiftRL <t> [c] (SLLconst x [32-c]) (MOVWUreg x)) + // cond: c < 32 && t.Size() == 4 + // result: (RORWconst [c] x) + for { + t := v.Type + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 32-c { + break + } + x := v_0.Args[0] + if v_1.Op != OpARM64MOVWUreg || x != v_1.Args[0] || !(c < 32 && t.Size() == 4) { + break + } + v.reset(OpARM64RORWconst) + v.AuxInt = int64ToAuxInt(c) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64AND(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (AND x (MOVDconst [c])) + // result: (ANDconst [c] x) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(c) + v.AddArg(x) + return true + } + break + } + // match: (AND x x) + // result: x + for { + x := v_0 + if x != v_1 { + break + } + v.copyOf(x) + return true + } + // match: (AND x (MVN y)) + // result: (BIC x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MVN { + continue + } + y := v_1.Args[0] + v.reset(OpARM64BIC) + v.AddArg2(x, y) + return true + } + break + } + // match: (AND x0 x1:(SLLconst [c] y)) + // cond: clobberIfDead(x1) + // result: (ANDshiftLL x0 y [c]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SLLconst { + continue + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + continue + } + v.reset(OpARM64ANDshiftLL) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + break + } + // match: (AND x0 x1:(SRLconst [c] y)) + // cond: clobberIfDead(x1) + // result: (ANDshiftRL x0 y [c]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SRLconst { + continue + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + continue + } + v.reset(OpARM64ANDshiftRL) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + break + } + // match: (AND x0 x1:(SRAconst [c] y)) + // cond: clobberIfDead(x1) + // result: (ANDshiftRA x0 y [c]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SRAconst { + continue + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + continue + } + v.reset(OpARM64ANDshiftRA) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + break + } + // match: (AND x0 x1:(RORconst [c] y)) + // cond: clobberIfDead(x1) + // result: (ANDshiftRO x0 y [c]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64RORconst { + continue + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + continue + } + v.reset(OpARM64ANDshiftRO) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + break + } + return false +} +func rewriteValueARM64_OpARM64ANDconst(v *Value) bool { + v_0 := v.Args[0] + // match: (ANDconst [0] _) + // result: (MOVDconst [0]) + for { + if auxIntToInt64(v.AuxInt) != 0 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + // match: (ANDconst [-1] x) + // result: x + for { + if auxIntToInt64(v.AuxInt) != -1 { + break + } + x := v_0 + v.copyOf(x) + return true + } + // match: (ANDconst [c] (MOVDconst [d])) + // result: (MOVDconst [c&d]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + d := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(c & d) + return true + } + // match: (ANDconst [c] (ANDconst [d] x)) + // result: (ANDconst [c&d] x) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64ANDconst { + break + } + d := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(c & d) + v.AddArg(x) + return true + } + // match: (ANDconst [c] (MOVWUreg x)) + // result: (ANDconst [c&(1<<32-1)] x) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVWUreg { + break + } + x := v_0.Args[0] + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(c & (1<<32 - 1)) + v.AddArg(x) + return true + } + // match: (ANDconst [c] (MOVHUreg x)) + // result: (ANDconst [c&(1<<16-1)] x) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVHUreg { + break + } + x := v_0.Args[0] + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(c & (1<<16 - 1)) + v.AddArg(x) + return true + } + // match: (ANDconst [c] (MOVBUreg x)) + // result: (ANDconst [c&(1<<8-1)] x) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVBUreg { + break + } + x := v_0.Args[0] + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(c & (1<<8 - 1)) + v.AddArg(x) + return true + } + // match: (ANDconst [ac] (SLLconst [sc] x)) + // cond: isARM64BFMask(sc, ac, sc) + // result: (UBFIZ [armBFAuxInt(sc, arm64BFWidth(ac, sc))] x) + for { + ac := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SLLconst { + break + } + sc := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(isARM64BFMask(sc, ac, sc)) { + break + } + v.reset(OpARM64UBFIZ) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc, arm64BFWidth(ac, sc))) + v.AddArg(x) + return true + } + // match: (ANDconst [ac] (SRLconst [sc] x)) + // cond: isARM64BFMask(sc, ac, 0) + // result: (UBFX [armBFAuxInt(sc, arm64BFWidth(ac, 0))] x) + for { + ac := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SRLconst { + break + } + sc := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(isARM64BFMask(sc, ac, 0)) { + break + } + v.reset(OpARM64UBFX) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc, arm64BFWidth(ac, 0))) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64ANDshiftLL(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (ANDshiftLL (MOVDconst [c]) x [d]) + // result: (ANDconst [c] (SLLconst <x.Type> x [d])) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(c) + v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) + v0.AuxInt = int64ToAuxInt(d) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: (ANDshiftLL x (MOVDconst [c]) [d]) + // result: (ANDconst x [int64(uint64(c)<<uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d))) + v.AddArg(x) + return true + } + // match: (ANDshiftLL y:(SLLconst x [c]) x [c]) + // result: y + for { + c := auxIntToInt64(v.AuxInt) + y := v_0 + if y.Op != OpARM64SLLconst || auxIntToInt64(y.AuxInt) != c { + break + } + x := y.Args[0] + if x != v_1 { + break + } + v.copyOf(y) + return true + } + return false +} +func rewriteValueARM64_OpARM64ANDshiftRA(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (ANDshiftRA (MOVDconst [c]) x [d]) + // result: (ANDconst [c] (SRAconst <x.Type> x [d])) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(c) + v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type) + v0.AuxInt = int64ToAuxInt(d) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: (ANDshiftRA x (MOVDconst [c]) [d]) + // result: (ANDconst x [c>>uint64(d)]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(c >> uint64(d)) + v.AddArg(x) + return true + } + // match: (ANDshiftRA y:(SRAconst x [c]) x [c]) + // result: y + for { + c := auxIntToInt64(v.AuxInt) + y := v_0 + if y.Op != OpARM64SRAconst || auxIntToInt64(y.AuxInt) != c { + break + } + x := y.Args[0] + if x != v_1 { + break + } + v.copyOf(y) + return true + } + return false +} +func rewriteValueARM64_OpARM64ANDshiftRL(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (ANDshiftRL (MOVDconst [c]) x [d]) + // result: (ANDconst [c] (SRLconst <x.Type> x [d])) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(c) + v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type) + v0.AuxInt = int64ToAuxInt(d) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: (ANDshiftRL x (MOVDconst [c]) [d]) + // result: (ANDconst x [int64(uint64(c)>>uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d))) + v.AddArg(x) + return true + } + // match: (ANDshiftRL y:(SRLconst x [c]) x [c]) + // result: y + for { + c := auxIntToInt64(v.AuxInt) + y := v_0 + if y.Op != OpARM64SRLconst || auxIntToInt64(y.AuxInt) != c { + break + } + x := y.Args[0] + if x != v_1 { + break + } + v.copyOf(y) + return true + } + return false +} +func rewriteValueARM64_OpARM64ANDshiftRO(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (ANDshiftRO (MOVDconst [c]) x [d]) + // result: (ANDconst [c] (RORconst <x.Type> x [d])) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(c) + v0 := b.NewValue0(v.Pos, OpARM64RORconst, x.Type) + v0.AuxInt = int64ToAuxInt(d) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: (ANDshiftRO x (MOVDconst [c]) [d]) + // result: (ANDconst x [rotateRight64(c, d)]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(rotateRight64(c, d)) + v.AddArg(x) + return true + } + // match: (ANDshiftRO y:(RORconst x [c]) x [c]) + // result: y + for { + c := auxIntToInt64(v.AuxInt) + y := v_0 + if y.Op != OpARM64RORconst || auxIntToInt64(y.AuxInt) != c { + break + } + x := y.Args[0] + if x != v_1 { + break + } + v.copyOf(y) + return true + } + return false +} +func rewriteValueARM64_OpARM64BIC(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (BIC x (MOVDconst [c])) + // result: (ANDconst [^c] x) + for { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(^c) + v.AddArg(x) + return true + } + // match: (BIC x x) + // result: (MOVDconst [0]) + for { + x := v_0 + if x != v_1 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + // match: (BIC x0 x1:(SLLconst [c] y)) + // cond: clobberIfDead(x1) + // result: (BICshiftLL x0 y [c]) + for { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SLLconst { + break + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + break + } + v.reset(OpARM64BICshiftLL) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + // match: (BIC x0 x1:(SRLconst [c] y)) + // cond: clobberIfDead(x1) + // result: (BICshiftRL x0 y [c]) + for { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SRLconst { + break + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + break + } + v.reset(OpARM64BICshiftRL) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + // match: (BIC x0 x1:(SRAconst [c] y)) + // cond: clobberIfDead(x1) + // result: (BICshiftRA x0 y [c]) + for { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SRAconst { + break + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + break + } + v.reset(OpARM64BICshiftRA) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + // match: (BIC x0 x1:(RORconst [c] y)) + // cond: clobberIfDead(x1) + // result: (BICshiftRO x0 y [c]) + for { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64RORconst { + break + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + break + } + v.reset(OpARM64BICshiftRO) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + return false +} +func rewriteValueARM64_OpARM64BICshiftLL(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (BICshiftLL x (MOVDconst [c]) [d]) + // result: (ANDconst x [^int64(uint64(c)<<uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(^int64(uint64(c) << uint64(d))) + v.AddArg(x) + return true + } + // match: (BICshiftLL (SLLconst x [c]) x [c]) + // result: (MOVDconst [0]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + return false +} +func rewriteValueARM64_OpARM64BICshiftRA(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (BICshiftRA x (MOVDconst [c]) [d]) + // result: (ANDconst x [^(c>>uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(^(c >> uint64(d))) + v.AddArg(x) + return true + } + // match: (BICshiftRA (SRAconst x [c]) x [c]) + // result: (MOVDconst [0]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + return false +} +func rewriteValueARM64_OpARM64BICshiftRL(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (BICshiftRL x (MOVDconst [c]) [d]) + // result: (ANDconst x [^int64(uint64(c)>>uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(^int64(uint64(c) >> uint64(d))) + v.AddArg(x) + return true + } + // match: (BICshiftRL (SRLconst x [c]) x [c]) + // result: (MOVDconst [0]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + return false +} +func rewriteValueARM64_OpARM64BICshiftRO(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (BICshiftRO x (MOVDconst [c]) [d]) + // result: (ANDconst x [^rotateRight64(c, d)]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(^rotateRight64(c, d)) + v.AddArg(x) + return true + } + // match: (BICshiftRO (RORconst x [c]) x [c]) + // result: (MOVDconst [0]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64RORconst || auxIntToInt64(v_0.AuxInt) != c { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + return false +} +func rewriteValueARM64_OpARM64CMN(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (CMN x (MOVDconst [c])) + // result: (CMNconst [c] x) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64CMNconst) + v.AuxInt = int64ToAuxInt(c) + v.AddArg(x) + return true + } + break + } + // match: (CMN x0 x1:(SLLconst [c] y)) + // cond: clobberIfDead(x1) + // result: (CMNshiftLL x0 y [c]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SLLconst { + continue + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + continue + } + v.reset(OpARM64CMNshiftLL) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + break + } + // match: (CMN x0 x1:(SRLconst [c] y)) + // cond: clobberIfDead(x1) + // result: (CMNshiftRL x0 y [c]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SRLconst { + continue + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + continue + } + v.reset(OpARM64CMNshiftRL) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + break + } + // match: (CMN x0 x1:(SRAconst [c] y)) + // cond: clobberIfDead(x1) + // result: (CMNshiftRA x0 y [c]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SRAconst { + continue + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + continue + } + v.reset(OpARM64CMNshiftRA) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + break + } + return false +} +func rewriteValueARM64_OpARM64CMNW(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (CMNW x (MOVDconst [c])) + // result: (CMNWconst [int32(c)] x) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64CMNWconst) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg(x) + return true + } + break + } + return false +} +func rewriteValueARM64_OpARM64CMNWconst(v *Value) bool { + v_0 := v.Args[0] + // match: (CMNWconst (MOVDconst [x]) [y]) + // result: (FlagConstant [addFlags32(int32(x),y)]) + for { + y := auxIntToInt32(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + x := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64FlagConstant) + v.AuxInt = flagConstantToAuxInt(addFlags32(int32(x), y)) + return true + } + return false +} +func rewriteValueARM64_OpARM64CMNconst(v *Value) bool { + v_0 := v.Args[0] + // match: (CMNconst (MOVDconst [x]) [y]) + // result: (FlagConstant [addFlags64(x,y)]) + for { + y := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + x := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64FlagConstant) + v.AuxInt = flagConstantToAuxInt(addFlags64(x, y)) + return true + } + return false +} +func rewriteValueARM64_OpARM64CMNshiftLL(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (CMNshiftLL (MOVDconst [c]) x [d]) + // result: (CMNconst [c] (SLLconst <x.Type> x [d])) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64CMNconst) + v.AuxInt = int64ToAuxInt(c) + v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) + v0.AuxInt = int64ToAuxInt(d) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: (CMNshiftLL x (MOVDconst [c]) [d]) + // result: (CMNconst x [int64(uint64(c)<<uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64CMNconst) + v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d))) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64CMNshiftRA(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (CMNshiftRA (MOVDconst [c]) x [d]) + // result: (CMNconst [c] (SRAconst <x.Type> x [d])) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64CMNconst) + v.AuxInt = int64ToAuxInt(c) + v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type) + v0.AuxInt = int64ToAuxInt(d) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: (CMNshiftRA x (MOVDconst [c]) [d]) + // result: (CMNconst x [c>>uint64(d)]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64CMNconst) + v.AuxInt = int64ToAuxInt(c >> uint64(d)) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64CMNshiftRL(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (CMNshiftRL (MOVDconst [c]) x [d]) + // result: (CMNconst [c] (SRLconst <x.Type> x [d])) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64CMNconst) + v.AuxInt = int64ToAuxInt(c) + v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type) + v0.AuxInt = int64ToAuxInt(d) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: (CMNshiftRL x (MOVDconst [c]) [d]) + // result: (CMNconst x [int64(uint64(c)>>uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64CMNconst) + v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d))) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64CMP(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (CMP x (MOVDconst [c])) + // result: (CMPconst [c] x) + for { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64CMPconst) + v.AuxInt = int64ToAuxInt(c) + v.AddArg(x) + return true + } + // match: (CMP (MOVDconst [c]) x) + // result: (InvertFlags (CMPconst [c] x)) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64InvertFlags) + v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v0.AuxInt = int64ToAuxInt(c) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: (CMP x y) + // cond: canonLessThan(x,y) + // result: (InvertFlags (CMP y x)) + for { + x := v_0 + y := v_1 + if !(canonLessThan(x, y)) { + break + } + v.reset(OpARM64InvertFlags) + v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) + v0.AddArg2(y, x) + v.AddArg(v0) + return true + } + // match: (CMP x0 x1:(SLLconst [c] y)) + // cond: clobberIfDead(x1) + // result: (CMPshiftLL x0 y [c]) + for { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SLLconst { + break + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + break + } + v.reset(OpARM64CMPshiftLL) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + // match: (CMP x0:(SLLconst [c] y) x1) + // cond: clobberIfDead(x0) + // result: (InvertFlags (CMPshiftLL x1 y [c])) + for { + x0 := v_0 + if x0.Op != OpARM64SLLconst { + break + } + c := auxIntToInt64(x0.AuxInt) + y := x0.Args[0] + x1 := v_1 + if !(clobberIfDead(x0)) { + break + } + v.reset(OpARM64InvertFlags) + v0 := b.NewValue0(v.Pos, OpARM64CMPshiftLL, types.TypeFlags) + v0.AuxInt = int64ToAuxInt(c) + v0.AddArg2(x1, y) + v.AddArg(v0) + return true + } + // match: (CMP x0 x1:(SRLconst [c] y)) + // cond: clobberIfDead(x1) + // result: (CMPshiftRL x0 y [c]) + for { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SRLconst { + break + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + break + } + v.reset(OpARM64CMPshiftRL) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + // match: (CMP x0:(SRLconst [c] y) x1) + // cond: clobberIfDead(x0) + // result: (InvertFlags (CMPshiftRL x1 y [c])) + for { + x0 := v_0 + if x0.Op != OpARM64SRLconst { + break + } + c := auxIntToInt64(x0.AuxInt) + y := x0.Args[0] + x1 := v_1 + if !(clobberIfDead(x0)) { + break + } + v.reset(OpARM64InvertFlags) + v0 := b.NewValue0(v.Pos, OpARM64CMPshiftRL, types.TypeFlags) + v0.AuxInt = int64ToAuxInt(c) + v0.AddArg2(x1, y) + v.AddArg(v0) + return true + } + // match: (CMP x0 x1:(SRAconst [c] y)) + // cond: clobberIfDead(x1) + // result: (CMPshiftRA x0 y [c]) + for { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SRAconst { + break + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + break + } + v.reset(OpARM64CMPshiftRA) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + // match: (CMP x0:(SRAconst [c] y) x1) + // cond: clobberIfDead(x0) + // result: (InvertFlags (CMPshiftRA x1 y [c])) + for { + x0 := v_0 + if x0.Op != OpARM64SRAconst { + break + } + c := auxIntToInt64(x0.AuxInt) + y := x0.Args[0] + x1 := v_1 + if !(clobberIfDead(x0)) { + break + } + v.reset(OpARM64InvertFlags) + v0 := b.NewValue0(v.Pos, OpARM64CMPshiftRA, types.TypeFlags) + v0.AuxInt = int64ToAuxInt(c) + v0.AddArg2(x1, y) + v.AddArg(v0) + return true + } + return false +} +func rewriteValueARM64_OpARM64CMPW(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (CMPW x (MOVDconst [c])) + // result: (CMPWconst [int32(c)] x) + for { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64CMPWconst) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg(x) + return true + } + // match: (CMPW (MOVDconst [c]) x) + // result: (InvertFlags (CMPWconst [int32(c)] x)) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64InvertFlags) + v0 := b.NewValue0(v.Pos, OpARM64CMPWconst, types.TypeFlags) + v0.AuxInt = int32ToAuxInt(int32(c)) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: (CMPW x y) + // cond: canonLessThan(x,y) + // result: (InvertFlags (CMPW y x)) + for { + x := v_0 + y := v_1 + if !(canonLessThan(x, y)) { + break + } + v.reset(OpARM64InvertFlags) + v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) + v0.AddArg2(y, x) + v.AddArg(v0) + return true + } + return false +} +func rewriteValueARM64_OpARM64CMPWconst(v *Value) bool { + v_0 := v.Args[0] + // match: (CMPWconst (MOVDconst [x]) [y]) + // result: (FlagConstant [subFlags32(int32(x),y)]) + for { + y := auxIntToInt32(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + x := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64FlagConstant) + v.AuxInt = flagConstantToAuxInt(subFlags32(int32(x), y)) + return true + } + // match: (CMPWconst (MOVBUreg _) [c]) + // cond: 0xff < c + // result: (FlagConstant [subFlags64(0,1)]) + for { + c := auxIntToInt32(v.AuxInt) + if v_0.Op != OpARM64MOVBUreg || !(0xff < c) { + break + } + v.reset(OpARM64FlagConstant) + v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1)) + return true + } + // match: (CMPWconst (MOVHUreg _) [c]) + // cond: 0xffff < c + // result: (FlagConstant [subFlags64(0,1)]) + for { + c := auxIntToInt32(v.AuxInt) + if v_0.Op != OpARM64MOVHUreg || !(0xffff < c) { + break + } + v.reset(OpARM64FlagConstant) + v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1)) + return true + } + return false +} +func rewriteValueARM64_OpARM64CMPconst(v *Value) bool { + v_0 := v.Args[0] + // match: (CMPconst (MOVDconst [x]) [y]) + // result: (FlagConstant [subFlags64(x,y)]) + for { + y := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + x := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64FlagConstant) + v.AuxInt = flagConstantToAuxInt(subFlags64(x, y)) + return true + } + // match: (CMPconst (MOVBUreg _) [c]) + // cond: 0xff < c + // result: (FlagConstant [subFlags64(0,1)]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVBUreg || !(0xff < c) { + break + } + v.reset(OpARM64FlagConstant) + v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1)) + return true + } + // match: (CMPconst (MOVHUreg _) [c]) + // cond: 0xffff < c + // result: (FlagConstant [subFlags64(0,1)]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVHUreg || !(0xffff < c) { + break + } + v.reset(OpARM64FlagConstant) + v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1)) + return true + } + // match: (CMPconst (MOVWUreg _) [c]) + // cond: 0xffffffff < c + // result: (FlagConstant [subFlags64(0,1)]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVWUreg || !(0xffffffff < c) { + break + } + v.reset(OpARM64FlagConstant) + v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1)) + return true + } + // match: (CMPconst (ANDconst _ [m]) [n]) + // cond: 0 <= m && m < n + // result: (FlagConstant [subFlags64(0,1)]) + for { + n := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64ANDconst { + break + } + m := auxIntToInt64(v_0.AuxInt) + if !(0 <= m && m < n) { + break + } + v.reset(OpARM64FlagConstant) + v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1)) + return true + } + // match: (CMPconst (SRLconst _ [c]) [n]) + // cond: 0 <= n && 0 < c && c <= 63 && (1<<uint64(64-c)) <= uint64(n) + // result: (FlagConstant [subFlags64(0,1)]) + for { + n := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SRLconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + if !(0 <= n && 0 < c && c <= 63 && (1<<uint64(64-c)) <= uint64(n)) { + break + } + v.reset(OpARM64FlagConstant) + v.AuxInt = flagConstantToAuxInt(subFlags64(0, 1)) + return true + } + return false +} +func rewriteValueARM64_OpARM64CMPshiftLL(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (CMPshiftLL (MOVDconst [c]) x [d]) + // result: (InvertFlags (CMPconst [c] (SLLconst <x.Type> x [d]))) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64InvertFlags) + v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v0.AuxInt = int64ToAuxInt(c) + v1 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) + v1.AuxInt = int64ToAuxInt(d) + v1.AddArg(x) + v0.AddArg(v1) + v.AddArg(v0) + return true + } + // match: (CMPshiftLL x (MOVDconst [c]) [d]) + // result: (CMPconst x [int64(uint64(c)<<uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64CMPconst) + v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d))) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64CMPshiftRA(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (CMPshiftRA (MOVDconst [c]) x [d]) + // result: (InvertFlags (CMPconst [c] (SRAconst <x.Type> x [d]))) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64InvertFlags) + v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v0.AuxInt = int64ToAuxInt(c) + v1 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type) + v1.AuxInt = int64ToAuxInt(d) + v1.AddArg(x) + v0.AddArg(v1) + v.AddArg(v0) + return true + } + // match: (CMPshiftRA x (MOVDconst [c]) [d]) + // result: (CMPconst x [c>>uint64(d)]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64CMPconst) + v.AuxInt = int64ToAuxInt(c >> uint64(d)) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64CMPshiftRL(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (CMPshiftRL (MOVDconst [c]) x [d]) + // result: (InvertFlags (CMPconst [c] (SRLconst <x.Type> x [d]))) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64InvertFlags) + v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v0.AuxInt = int64ToAuxInt(c) + v1 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type) + v1.AuxInt = int64ToAuxInt(d) + v1.AddArg(x) + v0.AddArg(v1) + v.AddArg(v0) + return true + } + // match: (CMPshiftRL x (MOVDconst [c]) [d]) + // result: (CMPconst x [int64(uint64(c)>>uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64CMPconst) + v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d))) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64CSEL(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (CSEL [cc] (MOVDconst [-1]) (MOVDconst [0]) flag) + // result: (CSETM [cc] flag) + for { + cc := auxIntToOp(v.AuxInt) + if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != -1 || v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 { + break + } + flag := v_2 + v.reset(OpARM64CSETM) + v.AuxInt = opToAuxInt(cc) + v.AddArg(flag) + return true + } + // match: (CSEL [cc] (MOVDconst [0]) (MOVDconst [-1]) flag) + // result: (CSETM [arm64Negate(cc)] flag) + for { + cc := auxIntToOp(v.AuxInt) + if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 0 || v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 { + break + } + flag := v_2 + v.reset(OpARM64CSETM) + v.AuxInt = opToAuxInt(arm64Negate(cc)) + v.AddArg(flag) + return true + } + // match: (CSEL [cc] x (MOVDconst [0]) flag) + // result: (CSEL0 [cc] x flag) + for { + cc := auxIntToOp(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 { + break + } + flag := v_2 + v.reset(OpARM64CSEL0) + v.AuxInt = opToAuxInt(cc) + v.AddArg2(x, flag) + return true + } + // match: (CSEL [cc] (MOVDconst [0]) y flag) + // result: (CSEL0 [arm64Negate(cc)] y flag) + for { + cc := auxIntToOp(v.AuxInt) + if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 0 { + break + } + y := v_1 + flag := v_2 + v.reset(OpARM64CSEL0) + v.AuxInt = opToAuxInt(arm64Negate(cc)) + v.AddArg2(y, flag) + return true + } + // match: (CSEL [cc] x (ADDconst [1] a) flag) + // result: (CSINC [cc] x a flag) + for { + cc := auxIntToOp(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64ADDconst || auxIntToInt64(v_1.AuxInt) != 1 { + break + } + a := v_1.Args[0] + flag := v_2 + v.reset(OpARM64CSINC) + v.AuxInt = opToAuxInt(cc) + v.AddArg3(x, a, flag) + return true + } + // match: (CSEL [cc] (ADDconst [1] a) x flag) + // result: (CSINC [arm64Negate(cc)] x a flag) + for { + cc := auxIntToOp(v.AuxInt) + if v_0.Op != OpARM64ADDconst || auxIntToInt64(v_0.AuxInt) != 1 { + break + } + a := v_0.Args[0] + x := v_1 + flag := v_2 + v.reset(OpARM64CSINC) + v.AuxInt = opToAuxInt(arm64Negate(cc)) + v.AddArg3(x, a, flag) + return true + } + // match: (CSEL [cc] x (MVN a) flag) + // result: (CSINV [cc] x a flag) + for { + cc := auxIntToOp(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MVN { + break + } + a := v_1.Args[0] + flag := v_2 + v.reset(OpARM64CSINV) + v.AuxInt = opToAuxInt(cc) + v.AddArg3(x, a, flag) + return true + } + // match: (CSEL [cc] (MVN a) x flag) + // result: (CSINV [arm64Negate(cc)] x a flag) + for { + cc := auxIntToOp(v.AuxInt) + if v_0.Op != OpARM64MVN { + break + } + a := v_0.Args[0] + x := v_1 + flag := v_2 + v.reset(OpARM64CSINV) + v.AuxInt = opToAuxInt(arm64Negate(cc)) + v.AddArg3(x, a, flag) + return true + } + // match: (CSEL [cc] x (NEG a) flag) + // result: (CSNEG [cc] x a flag) + for { + cc := auxIntToOp(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64NEG { + break + } + a := v_1.Args[0] + flag := v_2 + v.reset(OpARM64CSNEG) + v.AuxInt = opToAuxInt(cc) + v.AddArg3(x, a, flag) + return true + } + // match: (CSEL [cc] (NEG a) x flag) + // result: (CSNEG [arm64Negate(cc)] x a flag) + for { + cc := auxIntToOp(v.AuxInt) + if v_0.Op != OpARM64NEG { + break + } + a := v_0.Args[0] + x := v_1 + flag := v_2 + v.reset(OpARM64CSNEG) + v.AuxInt = opToAuxInt(arm64Negate(cc)) + v.AddArg3(x, a, flag) + return true + } + // match: (CSEL [cc] x y (InvertFlags cmp)) + // result: (CSEL [arm64Invert(cc)] x y cmp) + for { + cc := auxIntToOp(v.AuxInt) + x := v_0 + y := v_1 + if v_2.Op != OpARM64InvertFlags { + break + } + cmp := v_2.Args[0] + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(arm64Invert(cc)) + v.AddArg3(x, y, cmp) + return true + } + // match: (CSEL [cc] x _ flag) + // cond: ccARM64Eval(cc, flag) > 0 + // result: x + for { + cc := auxIntToOp(v.AuxInt) + x := v_0 + flag := v_2 + if !(ccARM64Eval(cc, flag) > 0) { + break + } + v.copyOf(x) + return true + } + // match: (CSEL [cc] _ y flag) + // cond: ccARM64Eval(cc, flag) < 0 + // result: y + for { + cc := auxIntToOp(v.AuxInt) + y := v_1 + flag := v_2 + if !(ccARM64Eval(cc, flag) < 0) { + break + } + v.copyOf(y) + return true + } + // match: (CSEL [cc] x y (CMPWconst [0] boolval)) + // cond: cc == OpARM64NotEqual && flagArg(boolval) != nil + // result: (CSEL [boolval.Op] x y flagArg(boolval)) + for { + cc := auxIntToOp(v.AuxInt) + x := v_0 + y := v_1 + if v_2.Op != OpARM64CMPWconst || auxIntToInt32(v_2.AuxInt) != 0 { + break + } + boolval := v_2.Args[0] + if !(cc == OpARM64NotEqual && flagArg(boolval) != nil) { + break + } + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(boolval.Op) + v.AddArg3(x, y, flagArg(boolval)) + return true + } + // match: (CSEL [cc] x y (CMPWconst [0] boolval)) + // cond: cc == OpARM64Equal && flagArg(boolval) != nil + // result: (CSEL [arm64Negate(boolval.Op)] x y flagArg(boolval)) + for { + cc := auxIntToOp(v.AuxInt) + x := v_0 + y := v_1 + if v_2.Op != OpARM64CMPWconst || auxIntToInt32(v_2.AuxInt) != 0 { + break + } + boolval := v_2.Args[0] + if !(cc == OpARM64Equal && flagArg(boolval) != nil) { + break + } + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(arm64Negate(boolval.Op)) + v.AddArg3(x, y, flagArg(boolval)) + return true + } + return false +} +func rewriteValueARM64_OpARM64CSEL0(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (CSEL0 [cc] x (InvertFlags cmp)) + // result: (CSEL0 [arm64Invert(cc)] x cmp) + for { + cc := auxIntToOp(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64InvertFlags { + break + } + cmp := v_1.Args[0] + v.reset(OpARM64CSEL0) + v.AuxInt = opToAuxInt(arm64Invert(cc)) + v.AddArg2(x, cmp) + return true + } + // match: (CSEL0 [cc] x flag) + // cond: ccARM64Eval(cc, flag) > 0 + // result: x + for { + cc := auxIntToOp(v.AuxInt) + x := v_0 + flag := v_1 + if !(ccARM64Eval(cc, flag) > 0) { + break + } + v.copyOf(x) + return true + } + // match: (CSEL0 [cc] _ flag) + // cond: ccARM64Eval(cc, flag) < 0 + // result: (MOVDconst [0]) + for { + cc := auxIntToOp(v.AuxInt) + flag := v_1 + if !(ccARM64Eval(cc, flag) < 0) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + // match: (CSEL0 [cc] x (CMPWconst [0] boolval)) + // cond: cc == OpARM64NotEqual && flagArg(boolval) != nil + // result: (CSEL0 [boolval.Op] x flagArg(boolval)) + for { + cc := auxIntToOp(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64CMPWconst || auxIntToInt32(v_1.AuxInt) != 0 { + break + } + boolval := v_1.Args[0] + if !(cc == OpARM64NotEqual && flagArg(boolval) != nil) { + break + } + v.reset(OpARM64CSEL0) + v.AuxInt = opToAuxInt(boolval.Op) + v.AddArg2(x, flagArg(boolval)) + return true + } + // match: (CSEL0 [cc] x (CMPWconst [0] boolval)) + // cond: cc == OpARM64Equal && flagArg(boolval) != nil + // result: (CSEL0 [arm64Negate(boolval.Op)] x flagArg(boolval)) + for { + cc := auxIntToOp(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64CMPWconst || auxIntToInt32(v_1.AuxInt) != 0 { + break + } + boolval := v_1.Args[0] + if !(cc == OpARM64Equal && flagArg(boolval) != nil) { + break + } + v.reset(OpARM64CSEL0) + v.AuxInt = opToAuxInt(arm64Negate(boolval.Op)) + v.AddArg2(x, flagArg(boolval)) + return true + } + return false +} +func rewriteValueARM64_OpARM64CSETM(v *Value) bool { + v_0 := v.Args[0] + // match: (CSETM [cc] (InvertFlags cmp)) + // result: (CSETM [arm64Invert(cc)] cmp) + for { + cc := auxIntToOp(v.AuxInt) + if v_0.Op != OpARM64InvertFlags { + break + } + cmp := v_0.Args[0] + v.reset(OpARM64CSETM) + v.AuxInt = opToAuxInt(arm64Invert(cc)) + v.AddArg(cmp) + return true + } + // match: (CSETM [cc] flag) + // cond: ccARM64Eval(cc, flag) > 0 + // result: (MOVDconst [-1]) + for { + cc := auxIntToOp(v.AuxInt) + flag := v_0 + if !(ccARM64Eval(cc, flag) > 0) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(-1) + return true + } + // match: (CSETM [cc] flag) + // cond: ccARM64Eval(cc, flag) < 0 + // result: (MOVDconst [0]) + for { + cc := auxIntToOp(v.AuxInt) + flag := v_0 + if !(ccARM64Eval(cc, flag) < 0) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + return false +} +func rewriteValueARM64_OpARM64CSINC(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (CSINC [cc] x y (InvertFlags cmp)) + // result: (CSINC [arm64Invert(cc)] x y cmp) + for { + cc := auxIntToOp(v.AuxInt) + x := v_0 + y := v_1 + if v_2.Op != OpARM64InvertFlags { + break + } + cmp := v_2.Args[0] + v.reset(OpARM64CSINC) + v.AuxInt = opToAuxInt(arm64Invert(cc)) + v.AddArg3(x, y, cmp) + return true + } + // match: (CSINC [cc] x _ flag) + // cond: ccARM64Eval(cc, flag) > 0 + // result: x + for { + cc := auxIntToOp(v.AuxInt) + x := v_0 + flag := v_2 + if !(ccARM64Eval(cc, flag) > 0) { + break + } + v.copyOf(x) + return true + } + // match: (CSINC [cc] _ y flag) + // cond: ccARM64Eval(cc, flag) < 0 + // result: (ADDconst [1] y) + for { + cc := auxIntToOp(v.AuxInt) + y := v_1 + flag := v_2 + if !(ccARM64Eval(cc, flag) < 0) { + break + } + v.reset(OpARM64ADDconst) + v.AuxInt = int64ToAuxInt(1) + v.AddArg(y) + return true + } + return false +} +func rewriteValueARM64_OpARM64CSINV(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (CSINV [cc] x y (InvertFlags cmp)) + // result: (CSINV [arm64Invert(cc)] x y cmp) + for { + cc := auxIntToOp(v.AuxInt) + x := v_0 + y := v_1 + if v_2.Op != OpARM64InvertFlags { + break + } + cmp := v_2.Args[0] + v.reset(OpARM64CSINV) + v.AuxInt = opToAuxInt(arm64Invert(cc)) + v.AddArg3(x, y, cmp) + return true + } + // match: (CSINV [cc] x _ flag) + // cond: ccARM64Eval(cc, flag) > 0 + // result: x + for { + cc := auxIntToOp(v.AuxInt) + x := v_0 + flag := v_2 + if !(ccARM64Eval(cc, flag) > 0) { + break + } + v.copyOf(x) + return true + } + // match: (CSINV [cc] _ y flag) + // cond: ccARM64Eval(cc, flag) < 0 + // result: (Not y) + for { + cc := auxIntToOp(v.AuxInt) + y := v_1 + flag := v_2 + if !(ccARM64Eval(cc, flag) < 0) { + break + } + v.reset(OpNot) + v.AddArg(y) + return true + } + return false +} +func rewriteValueARM64_OpARM64CSNEG(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (CSNEG [cc] x y (InvertFlags cmp)) + // result: (CSNEG [arm64Invert(cc)] x y cmp) + for { + cc := auxIntToOp(v.AuxInt) + x := v_0 + y := v_1 + if v_2.Op != OpARM64InvertFlags { + break + } + cmp := v_2.Args[0] + v.reset(OpARM64CSNEG) + v.AuxInt = opToAuxInt(arm64Invert(cc)) + v.AddArg3(x, y, cmp) + return true + } + // match: (CSNEG [cc] x _ flag) + // cond: ccARM64Eval(cc, flag) > 0 + // result: x + for { + cc := auxIntToOp(v.AuxInt) + x := v_0 + flag := v_2 + if !(ccARM64Eval(cc, flag) > 0) { + break + } + v.copyOf(x) + return true + } + // match: (CSNEG [cc] _ y flag) + // cond: ccARM64Eval(cc, flag) < 0 + // result: (NEG y) + for { + cc := auxIntToOp(v.AuxInt) + y := v_1 + flag := v_2 + if !(ccARM64Eval(cc, flag) < 0) { + break + } + v.reset(OpARM64NEG) + v.AddArg(y) + return true + } + return false +} +func rewriteValueARM64_OpARM64DIV(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (DIV (MOVDconst [c]) (MOVDconst [d])) + // cond: d != 0 + // result: (MOVDconst [c/d]) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + if v_1.Op != OpARM64MOVDconst { + break + } + d := auxIntToInt64(v_1.AuxInt) + if !(d != 0) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(c / d) + return true + } + return false +} +func rewriteValueARM64_OpARM64DIVW(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (DIVW (MOVDconst [c]) (MOVDconst [d])) + // cond: d != 0 + // result: (MOVDconst [int64(int32(c)/int32(d))]) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + if v_1.Op != OpARM64MOVDconst { + break + } + d := auxIntToInt64(v_1.AuxInt) + if !(d != 0) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(int64(int32(c) / int32(d))) + return true + } + return false +} +func rewriteValueARM64_OpARM64EON(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (EON x (MOVDconst [c])) + // result: (XORconst [^c] x) + for { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64XORconst) + v.AuxInt = int64ToAuxInt(^c) + v.AddArg(x) + return true + } + // match: (EON x x) + // result: (MOVDconst [-1]) + for { + x := v_0 + if x != v_1 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(-1) + return true + } + // match: (EON x0 x1:(SLLconst [c] y)) + // cond: clobberIfDead(x1) + // result: (EONshiftLL x0 y [c]) + for { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SLLconst { + break + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + break + } + v.reset(OpARM64EONshiftLL) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + // match: (EON x0 x1:(SRLconst [c] y)) + // cond: clobberIfDead(x1) + // result: (EONshiftRL x0 y [c]) + for { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SRLconst { + break + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + break + } + v.reset(OpARM64EONshiftRL) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + // match: (EON x0 x1:(SRAconst [c] y)) + // cond: clobberIfDead(x1) + // result: (EONshiftRA x0 y [c]) + for { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SRAconst { + break + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + break + } + v.reset(OpARM64EONshiftRA) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + // match: (EON x0 x1:(RORconst [c] y)) + // cond: clobberIfDead(x1) + // result: (EONshiftRO x0 y [c]) + for { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64RORconst { + break + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + break + } + v.reset(OpARM64EONshiftRO) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + return false +} +func rewriteValueARM64_OpARM64EONshiftLL(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (EONshiftLL x (MOVDconst [c]) [d]) + // result: (XORconst x [^int64(uint64(c)<<uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64XORconst) + v.AuxInt = int64ToAuxInt(^int64(uint64(c) << uint64(d))) + v.AddArg(x) + return true + } + // match: (EONshiftLL (SLLconst x [c]) x [c]) + // result: (MOVDconst [-1]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(-1) + return true + } + return false +} +func rewriteValueARM64_OpARM64EONshiftRA(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (EONshiftRA x (MOVDconst [c]) [d]) + // result: (XORconst x [^(c>>uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64XORconst) + v.AuxInt = int64ToAuxInt(^(c >> uint64(d))) + v.AddArg(x) + return true + } + // match: (EONshiftRA (SRAconst x [c]) x [c]) + // result: (MOVDconst [-1]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(-1) + return true + } + return false +} +func rewriteValueARM64_OpARM64EONshiftRL(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (EONshiftRL x (MOVDconst [c]) [d]) + // result: (XORconst x [^int64(uint64(c)>>uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64XORconst) + v.AuxInt = int64ToAuxInt(^int64(uint64(c) >> uint64(d))) + v.AddArg(x) + return true + } + // match: (EONshiftRL (SRLconst x [c]) x [c]) + // result: (MOVDconst [-1]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(-1) + return true + } + return false +} +func rewriteValueARM64_OpARM64EONshiftRO(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (EONshiftRO x (MOVDconst [c]) [d]) + // result: (XORconst x [^rotateRight64(c, d)]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64XORconst) + v.AuxInt = int64ToAuxInt(^rotateRight64(c, d)) + v.AddArg(x) + return true + } + // match: (EONshiftRO (RORconst x [c]) x [c]) + // result: (MOVDconst [-1]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64RORconst || auxIntToInt64(v_0.AuxInt) != c { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(-1) + return true + } + return false +} +func rewriteValueARM64_OpARM64Equal(v *Value) bool { + v_0 := v.Args[0] + // match: (Equal (FlagConstant [fc])) + // result: (MOVDconst [b2i(fc.eq())]) + for { + if v_0.Op != OpARM64FlagConstant { + break + } + fc := auxIntToFlagConstant(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(b2i(fc.eq())) + return true + } + // match: (Equal (InvertFlags x)) + // result: (Equal x) + for { + if v_0.Op != OpARM64InvertFlags { + break + } + x := v_0.Args[0] + v.reset(OpARM64Equal) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64FADDD(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (FADDD a (FMULD x y)) + // result: (FMADDD a x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + a := v_0 + if v_1.Op != OpARM64FMULD { + continue + } + y := v_1.Args[1] + x := v_1.Args[0] + v.reset(OpARM64FMADDD) + v.AddArg3(a, x, y) + return true + } + break + } + // match: (FADDD a (FNMULD x y)) + // result: (FMSUBD a x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + a := v_0 + if v_1.Op != OpARM64FNMULD { + continue + } + y := v_1.Args[1] + x := v_1.Args[0] + v.reset(OpARM64FMSUBD) + v.AddArg3(a, x, y) + return true + } + break + } + return false +} +func rewriteValueARM64_OpARM64FADDS(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (FADDS a (FMULS x y)) + // result: (FMADDS a x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + a := v_0 + if v_1.Op != OpARM64FMULS { + continue + } + y := v_1.Args[1] + x := v_1.Args[0] + v.reset(OpARM64FMADDS) + v.AddArg3(a, x, y) + return true + } + break + } + // match: (FADDS a (FNMULS x y)) + // result: (FMSUBS a x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + a := v_0 + if v_1.Op != OpARM64FNMULS { + continue + } + y := v_1.Args[1] + x := v_1.Args[0] + v.reset(OpARM64FMSUBS) + v.AddArg3(a, x, y) + return true + } + break + } + return false +} +func rewriteValueARM64_OpARM64FCMPD(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (FCMPD x (FMOVDconst [0])) + // result: (FCMPD0 x) + for { + x := v_0 + if v_1.Op != OpARM64FMOVDconst || auxIntToFloat64(v_1.AuxInt) != 0 { + break + } + v.reset(OpARM64FCMPD0) + v.AddArg(x) + return true + } + // match: (FCMPD (FMOVDconst [0]) x) + // result: (InvertFlags (FCMPD0 x)) + for { + if v_0.Op != OpARM64FMOVDconst || auxIntToFloat64(v_0.AuxInt) != 0 { + break + } + x := v_1 + v.reset(OpARM64InvertFlags) + v0 := b.NewValue0(v.Pos, OpARM64FCMPD0, types.TypeFlags) + v0.AddArg(x) + v.AddArg(v0) + return true + } + return false +} +func rewriteValueARM64_OpARM64FCMPS(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (FCMPS x (FMOVSconst [0])) + // result: (FCMPS0 x) + for { + x := v_0 + if v_1.Op != OpARM64FMOVSconst || auxIntToFloat64(v_1.AuxInt) != 0 { + break + } + v.reset(OpARM64FCMPS0) + v.AddArg(x) + return true + } + // match: (FCMPS (FMOVSconst [0]) x) + // result: (InvertFlags (FCMPS0 x)) + for { + if v_0.Op != OpARM64FMOVSconst || auxIntToFloat64(v_0.AuxInt) != 0 { + break + } + x := v_1 + v.reset(OpARM64InvertFlags) + v0 := b.NewValue0(v.Pos, OpARM64FCMPS0, types.TypeFlags) + v0.AddArg(x) + v.AddArg(v0) + return true + } + return false +} +func rewriteValueARM64_OpARM64FMOVDfpgp(v *Value) bool { + v_0 := v.Args[0] + b := v.Block + // match: (FMOVDfpgp <t> (Arg [off] {sym})) + // result: @b.Func.Entry (Arg <t> [off] {sym}) + for { + t := v.Type + if v_0.Op != OpArg { + break + } + off := auxIntToInt32(v_0.AuxInt) + sym := auxToSym(v_0.Aux) + b = b.Func.Entry + v0 := b.NewValue0(v.Pos, OpArg, t) + v.copyOf(v0) + v0.AuxInt = int32ToAuxInt(off) + v0.Aux = symToAux(sym) + return true + } + return false +} +func rewriteValueARM64_OpARM64FMOVDgpfp(v *Value) bool { + v_0 := v.Args[0] + b := v.Block + // match: (FMOVDgpfp <t> (Arg [off] {sym})) + // result: @b.Func.Entry (Arg <t> [off] {sym}) + for { + t := v.Type + if v_0.Op != OpArg { + break + } + off := auxIntToInt32(v_0.AuxInt) + sym := auxToSym(v_0.Aux) + b = b.Func.Entry + v0 := b.NewValue0(v.Pos, OpArg, t) + v.copyOf(v0) + v0.AuxInt = int32ToAuxInt(off) + v0.Aux = symToAux(sym) + return true + } + return false +} +func rewriteValueARM64_OpARM64FMOVDload(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + config := b.Func.Config + // match: (FMOVDload [off] {sym} ptr (MOVDstore [off] {sym} ptr val _)) + // result: (FMOVDgpfp val) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64MOVDstore || auxIntToInt32(v_1.AuxInt) != off || auxToSym(v_1.Aux) != sym { + break + } + val := v_1.Args[1] + if ptr != v_1.Args[0] { + break + } + v.reset(OpARM64FMOVDgpfp) + v.AddArg(val) + return true + } + // match: (FMOVDload [off1] {sym} (ADDconst [off2] ptr) mem) + // cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (FMOVDload [off1+int32(off2)] {sym} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDconst { + break + } + off2 := auxIntToInt64(v_0.AuxInt) + ptr := v_0.Args[0] + mem := v_1 + if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64FMOVDload) + v.AuxInt = int32ToAuxInt(off1 + int32(off2)) + v.Aux = symToAux(sym) + v.AddArg2(ptr, mem) + return true + } + // match: (FMOVDload [off] {sym} (ADD ptr idx) mem) + // cond: off == 0 && sym == nil + // result: (FMOVDloadidx ptr idx mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + mem := v_1 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64FMOVDloadidx) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (FMOVDload [off] {sym} (ADDshiftLL [3] ptr idx) mem) + // cond: off == 0 && sym == nil + // result: (FMOVDloadidx8 ptr idx mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + mem := v_1 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64FMOVDloadidx8) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (FMOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) + // cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (FMOVDload [off1+off2] {mergeSym(sym1,sym2)} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym1 := auxToSym(v.Aux) + if v_0.Op != OpARM64MOVDaddr { + break + } + off2 := auxIntToInt32(v_0.AuxInt) + sym2 := auxToSym(v_0.Aux) + ptr := v_0.Args[0] + mem := v_1 + if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64FMOVDload) + v.AuxInt = int32ToAuxInt(off1 + off2) + v.Aux = symToAux(mergeSym(sym1, sym2)) + v.AddArg2(ptr, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64FMOVDloadidx(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (FMOVDloadidx ptr (MOVDconst [c]) mem) + // cond: is32Bit(c) + // result: (FMOVDload [int32(c)] ptr mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + mem := v_2 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64FMOVDload) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg2(ptr, mem) + return true + } + // match: (FMOVDloadidx (MOVDconst [c]) ptr mem) + // cond: is32Bit(c) + // result: (FMOVDload [int32(c)] ptr mem) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + ptr := v_1 + mem := v_2 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64FMOVDload) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg2(ptr, mem) + return true + } + // match: (FMOVDloadidx ptr (SLLconst [3] idx) mem) + // result: (FMOVDloadidx8 ptr idx mem) + for { + ptr := v_0 + if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 { + break + } + idx := v_1.Args[0] + mem := v_2 + v.reset(OpARM64FMOVDloadidx8) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (FMOVDloadidx (SLLconst [3] idx) ptr mem) + // result: (FMOVDloadidx8 ptr idx mem) + for { + if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 { + break + } + idx := v_0.Args[0] + ptr := v_1 + mem := v_2 + v.reset(OpARM64FMOVDloadidx8) + v.AddArg3(ptr, idx, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64FMOVDloadidx8(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (FMOVDloadidx8 ptr (MOVDconst [c]) mem) + // cond: is32Bit(c<<3) + // result: (FMOVDload ptr [int32(c)<<3] mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + mem := v_2 + if !(is32Bit(c << 3)) { + break + } + v.reset(OpARM64FMOVDload) + v.AuxInt = int32ToAuxInt(int32(c) << 3) + v.AddArg2(ptr, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64FMOVDstore(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + config := b.Func.Config + // match: (FMOVDstore [off] {sym} ptr (FMOVDgpfp val) mem) + // result: (MOVDstore [off] {sym} ptr val mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64FMOVDgpfp { + break + } + val := v_1.Args[0] + mem := v_2 + v.reset(OpARM64MOVDstore) + v.AuxInt = int32ToAuxInt(off) + v.Aux = symToAux(sym) + v.AddArg3(ptr, val, mem) + return true + } + // match: (FMOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem) + // cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (FMOVDstore [off1+int32(off2)] {sym} ptr val mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDconst { + break + } + off2 := auxIntToInt64(v_0.AuxInt) + ptr := v_0.Args[0] + val := v_1 + mem := v_2 + if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64FMOVDstore) + v.AuxInt = int32ToAuxInt(off1 + int32(off2)) + v.Aux = symToAux(sym) + v.AddArg3(ptr, val, mem) + return true + } + // match: (FMOVDstore [off] {sym} (ADD ptr idx) val mem) + // cond: off == 0 && sym == nil + // result: (FMOVDstoreidx ptr idx val mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + val := v_1 + mem := v_2 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64FMOVDstoreidx) + v.AddArg4(ptr, idx, val, mem) + return true + } + // match: (FMOVDstore [off] {sym} (ADDshiftLL [3] ptr idx) val mem) + // cond: off == 0 && sym == nil + // result: (FMOVDstoreidx8 ptr idx val mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + val := v_1 + mem := v_2 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64FMOVDstoreidx8) + v.AddArg4(ptr, idx, val, mem) + return true + } + // match: (FMOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem) + // cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (FMOVDstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym1 := auxToSym(v.Aux) + if v_0.Op != OpARM64MOVDaddr { + break + } + off2 := auxIntToInt32(v_0.AuxInt) + sym2 := auxToSym(v_0.Aux) + ptr := v_0.Args[0] + val := v_1 + mem := v_2 + if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64FMOVDstore) + v.AuxInt = int32ToAuxInt(off1 + off2) + v.Aux = symToAux(mergeSym(sym1, sym2)) + v.AddArg3(ptr, val, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64FMOVDstoreidx(v *Value) bool { + v_3 := v.Args[3] + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (FMOVDstoreidx ptr (MOVDconst [c]) val mem) + // cond: is32Bit(c) + // result: (FMOVDstore [int32(c)] ptr val mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + val := v_2 + mem := v_3 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64FMOVDstore) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg3(ptr, val, mem) + return true + } + // match: (FMOVDstoreidx (MOVDconst [c]) idx val mem) + // cond: is32Bit(c) + // result: (FMOVDstore [int32(c)] idx val mem) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + idx := v_1 + val := v_2 + mem := v_3 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64FMOVDstore) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg3(idx, val, mem) + return true + } + // match: (FMOVDstoreidx ptr (SLLconst [3] idx) val mem) + // result: (FMOVDstoreidx8 ptr idx val mem) + for { + ptr := v_0 + if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 { + break + } + idx := v_1.Args[0] + val := v_2 + mem := v_3 + v.reset(OpARM64FMOVDstoreidx8) + v.AddArg4(ptr, idx, val, mem) + return true + } + // match: (FMOVDstoreidx (SLLconst [3] idx) ptr val mem) + // result: (FMOVDstoreidx8 ptr idx val mem) + for { + if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 { + break + } + idx := v_0.Args[0] + ptr := v_1 + val := v_2 + mem := v_3 + v.reset(OpARM64FMOVDstoreidx8) + v.AddArg4(ptr, idx, val, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64FMOVDstoreidx8(v *Value) bool { + v_3 := v.Args[3] + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (FMOVDstoreidx8 ptr (MOVDconst [c]) val mem) + // cond: is32Bit(c<<3) + // result: (FMOVDstore [int32(c)<<3] ptr val mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + val := v_2 + mem := v_3 + if !(is32Bit(c << 3)) { + break + } + v.reset(OpARM64FMOVDstore) + v.AuxInt = int32ToAuxInt(int32(c) << 3) + v.AddArg3(ptr, val, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64FMOVSload(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + config := b.Func.Config + // match: (FMOVSload [off] {sym} ptr (MOVWstore [off] {sym} ptr val _)) + // result: (FMOVSgpfp val) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64MOVWstore || auxIntToInt32(v_1.AuxInt) != off || auxToSym(v_1.Aux) != sym { + break + } + val := v_1.Args[1] + if ptr != v_1.Args[0] { + break + } + v.reset(OpARM64FMOVSgpfp) + v.AddArg(val) + return true + } + // match: (FMOVSload [off1] {sym} (ADDconst [off2] ptr) mem) + // cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (FMOVSload [off1+int32(off2)] {sym} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDconst { + break + } + off2 := auxIntToInt64(v_0.AuxInt) + ptr := v_0.Args[0] + mem := v_1 + if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64FMOVSload) + v.AuxInt = int32ToAuxInt(off1 + int32(off2)) + v.Aux = symToAux(sym) + v.AddArg2(ptr, mem) + return true + } + // match: (FMOVSload [off] {sym} (ADD ptr idx) mem) + // cond: off == 0 && sym == nil + // result: (FMOVSloadidx ptr idx mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + mem := v_1 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64FMOVSloadidx) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (FMOVSload [off] {sym} (ADDshiftLL [2] ptr idx) mem) + // cond: off == 0 && sym == nil + // result: (FMOVSloadidx4 ptr idx mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + mem := v_1 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64FMOVSloadidx4) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (FMOVSload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) + // cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (FMOVSload [off1+off2] {mergeSym(sym1,sym2)} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym1 := auxToSym(v.Aux) + if v_0.Op != OpARM64MOVDaddr { + break + } + off2 := auxIntToInt32(v_0.AuxInt) + sym2 := auxToSym(v_0.Aux) + ptr := v_0.Args[0] + mem := v_1 + if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64FMOVSload) + v.AuxInt = int32ToAuxInt(off1 + off2) + v.Aux = symToAux(mergeSym(sym1, sym2)) + v.AddArg2(ptr, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64FMOVSloadidx(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (FMOVSloadidx ptr (MOVDconst [c]) mem) + // cond: is32Bit(c) + // result: (FMOVSload [int32(c)] ptr mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + mem := v_2 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64FMOVSload) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg2(ptr, mem) + return true + } + // match: (FMOVSloadidx (MOVDconst [c]) ptr mem) + // cond: is32Bit(c) + // result: (FMOVSload [int32(c)] ptr mem) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + ptr := v_1 + mem := v_2 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64FMOVSload) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg2(ptr, mem) + return true + } + // match: (FMOVSloadidx ptr (SLLconst [2] idx) mem) + // result: (FMOVSloadidx4 ptr idx mem) + for { + ptr := v_0 + if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 { + break + } + idx := v_1.Args[0] + mem := v_2 + v.reset(OpARM64FMOVSloadidx4) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (FMOVSloadidx (SLLconst [2] idx) ptr mem) + // result: (FMOVSloadidx4 ptr idx mem) + for { + if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 { + break + } + idx := v_0.Args[0] + ptr := v_1 + mem := v_2 + v.reset(OpARM64FMOVSloadidx4) + v.AddArg3(ptr, idx, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64FMOVSloadidx4(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (FMOVSloadidx4 ptr (MOVDconst [c]) mem) + // cond: is32Bit(c<<2) + // result: (FMOVSload ptr [int32(c)<<2] mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + mem := v_2 + if !(is32Bit(c << 2)) { + break + } + v.reset(OpARM64FMOVSload) + v.AuxInt = int32ToAuxInt(int32(c) << 2) + v.AddArg2(ptr, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64FMOVSstore(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + config := b.Func.Config + // match: (FMOVSstore [off] {sym} ptr (FMOVSgpfp val) mem) + // result: (MOVWstore [off] {sym} ptr val mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64FMOVSgpfp { + break + } + val := v_1.Args[0] + mem := v_2 + v.reset(OpARM64MOVWstore) + v.AuxInt = int32ToAuxInt(off) + v.Aux = symToAux(sym) + v.AddArg3(ptr, val, mem) + return true + } + // match: (FMOVSstore [off1] {sym} (ADDconst [off2] ptr) val mem) + // cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (FMOVSstore [off1+int32(off2)] {sym} ptr val mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDconst { + break + } + off2 := auxIntToInt64(v_0.AuxInt) + ptr := v_0.Args[0] + val := v_1 + mem := v_2 + if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64FMOVSstore) + v.AuxInt = int32ToAuxInt(off1 + int32(off2)) + v.Aux = symToAux(sym) + v.AddArg3(ptr, val, mem) + return true + } + // match: (FMOVSstore [off] {sym} (ADD ptr idx) val mem) + // cond: off == 0 && sym == nil + // result: (FMOVSstoreidx ptr idx val mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + val := v_1 + mem := v_2 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64FMOVSstoreidx) + v.AddArg4(ptr, idx, val, mem) + return true + } + // match: (FMOVSstore [off] {sym} (ADDshiftLL [2] ptr idx) val mem) + // cond: off == 0 && sym == nil + // result: (FMOVSstoreidx4 ptr idx val mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + val := v_1 + mem := v_2 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64FMOVSstoreidx4) + v.AddArg4(ptr, idx, val, mem) + return true + } + // match: (FMOVSstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem) + // cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (FMOVSstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym1 := auxToSym(v.Aux) + if v_0.Op != OpARM64MOVDaddr { + break + } + off2 := auxIntToInt32(v_0.AuxInt) + sym2 := auxToSym(v_0.Aux) + ptr := v_0.Args[0] + val := v_1 + mem := v_2 + if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64FMOVSstore) + v.AuxInt = int32ToAuxInt(off1 + off2) + v.Aux = symToAux(mergeSym(sym1, sym2)) + v.AddArg3(ptr, val, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64FMOVSstoreidx(v *Value) bool { + v_3 := v.Args[3] + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (FMOVSstoreidx ptr (MOVDconst [c]) val mem) + // cond: is32Bit(c) + // result: (FMOVSstore [int32(c)] ptr val mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + val := v_2 + mem := v_3 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64FMOVSstore) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg3(ptr, val, mem) + return true + } + // match: (FMOVSstoreidx (MOVDconst [c]) idx val mem) + // cond: is32Bit(c) + // result: (FMOVSstore [int32(c)] idx val mem) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + idx := v_1 + val := v_2 + mem := v_3 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64FMOVSstore) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg3(idx, val, mem) + return true + } + // match: (FMOVSstoreidx ptr (SLLconst [2] idx) val mem) + // result: (FMOVSstoreidx4 ptr idx val mem) + for { + ptr := v_0 + if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 { + break + } + idx := v_1.Args[0] + val := v_2 + mem := v_3 + v.reset(OpARM64FMOVSstoreidx4) + v.AddArg4(ptr, idx, val, mem) + return true + } + // match: (FMOVSstoreidx (SLLconst [2] idx) ptr val mem) + // result: (FMOVSstoreidx4 ptr idx val mem) + for { + if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 { + break + } + idx := v_0.Args[0] + ptr := v_1 + val := v_2 + mem := v_3 + v.reset(OpARM64FMOVSstoreidx4) + v.AddArg4(ptr, idx, val, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64FMOVSstoreidx4(v *Value) bool { + v_3 := v.Args[3] + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (FMOVSstoreidx4 ptr (MOVDconst [c]) val mem) + // cond: is32Bit(c<<2) + // result: (FMOVSstore [int32(c)<<2] ptr val mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + val := v_2 + mem := v_3 + if !(is32Bit(c << 2)) { + break + } + v.reset(OpARM64FMOVSstore) + v.AuxInt = int32ToAuxInt(int32(c) << 2) + v.AddArg3(ptr, val, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64FMULD(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (FMULD (FNEGD x) y) + // result: (FNMULD x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpARM64FNEGD { + continue + } + x := v_0.Args[0] + y := v_1 + v.reset(OpARM64FNMULD) + v.AddArg2(x, y) + return true + } + break + } + return false +} +func rewriteValueARM64_OpARM64FMULS(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (FMULS (FNEGS x) y) + // result: (FNMULS x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpARM64FNEGS { + continue + } + x := v_0.Args[0] + y := v_1 + v.reset(OpARM64FNMULS) + v.AddArg2(x, y) + return true + } + break + } + return false +} +func rewriteValueARM64_OpARM64FNEGD(v *Value) bool { + v_0 := v.Args[0] + // match: (FNEGD (FMULD x y)) + // result: (FNMULD x y) + for { + if v_0.Op != OpARM64FMULD { + break + } + y := v_0.Args[1] + x := v_0.Args[0] + v.reset(OpARM64FNMULD) + v.AddArg2(x, y) + return true + } + // match: (FNEGD (FNMULD x y)) + // result: (FMULD x y) + for { + if v_0.Op != OpARM64FNMULD { + break + } + y := v_0.Args[1] + x := v_0.Args[0] + v.reset(OpARM64FMULD) + v.AddArg2(x, y) + return true + } + return false +} +func rewriteValueARM64_OpARM64FNEGS(v *Value) bool { + v_0 := v.Args[0] + // match: (FNEGS (FMULS x y)) + // result: (FNMULS x y) + for { + if v_0.Op != OpARM64FMULS { + break + } + y := v_0.Args[1] + x := v_0.Args[0] + v.reset(OpARM64FNMULS) + v.AddArg2(x, y) + return true + } + // match: (FNEGS (FNMULS x y)) + // result: (FMULS x y) + for { + if v_0.Op != OpARM64FNMULS { + break + } + y := v_0.Args[1] + x := v_0.Args[0] + v.reset(OpARM64FMULS) + v.AddArg2(x, y) + return true + } + return false +} +func rewriteValueARM64_OpARM64FNMULD(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (FNMULD (FNEGD x) y) + // result: (FMULD x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpARM64FNEGD { + continue + } + x := v_0.Args[0] + y := v_1 + v.reset(OpARM64FMULD) + v.AddArg2(x, y) + return true + } + break + } + return false +} +func rewriteValueARM64_OpARM64FNMULS(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (FNMULS (FNEGS x) y) + // result: (FMULS x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpARM64FNEGS { + continue + } + x := v_0.Args[0] + y := v_1 + v.reset(OpARM64FMULS) + v.AddArg2(x, y) + return true + } + break + } + return false +} +func rewriteValueARM64_OpARM64FSUBD(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (FSUBD a (FMULD x y)) + // result: (FMSUBD a x y) + for { + a := v_0 + if v_1.Op != OpARM64FMULD { + break + } + y := v_1.Args[1] + x := v_1.Args[0] + v.reset(OpARM64FMSUBD) + v.AddArg3(a, x, y) + return true + } + // match: (FSUBD (FMULD x y) a) + // result: (FNMSUBD a x y) + for { + if v_0.Op != OpARM64FMULD { + break + } + y := v_0.Args[1] + x := v_0.Args[0] + a := v_1 + v.reset(OpARM64FNMSUBD) + v.AddArg3(a, x, y) + return true + } + // match: (FSUBD a (FNMULD x y)) + // result: (FMADDD a x y) + for { + a := v_0 + if v_1.Op != OpARM64FNMULD { + break + } + y := v_1.Args[1] + x := v_1.Args[0] + v.reset(OpARM64FMADDD) + v.AddArg3(a, x, y) + return true + } + // match: (FSUBD (FNMULD x y) a) + // result: (FNMADDD a x y) + for { + if v_0.Op != OpARM64FNMULD { + break + } + y := v_0.Args[1] + x := v_0.Args[0] + a := v_1 + v.reset(OpARM64FNMADDD) + v.AddArg3(a, x, y) + return true + } + return false +} +func rewriteValueARM64_OpARM64FSUBS(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (FSUBS a (FMULS x y)) + // result: (FMSUBS a x y) + for { + a := v_0 + if v_1.Op != OpARM64FMULS { + break + } + y := v_1.Args[1] + x := v_1.Args[0] + v.reset(OpARM64FMSUBS) + v.AddArg3(a, x, y) + return true + } + // match: (FSUBS (FMULS x y) a) + // result: (FNMSUBS a x y) + for { + if v_0.Op != OpARM64FMULS { + break + } + y := v_0.Args[1] + x := v_0.Args[0] + a := v_1 + v.reset(OpARM64FNMSUBS) + v.AddArg3(a, x, y) + return true + } + // match: (FSUBS a (FNMULS x y)) + // result: (FMADDS a x y) + for { + a := v_0 + if v_1.Op != OpARM64FNMULS { + break + } + y := v_1.Args[1] + x := v_1.Args[0] + v.reset(OpARM64FMADDS) + v.AddArg3(a, x, y) + return true + } + // match: (FSUBS (FNMULS x y) a) + // result: (FNMADDS a x y) + for { + if v_0.Op != OpARM64FNMULS { + break + } + y := v_0.Args[1] + x := v_0.Args[0] + a := v_1 + v.reset(OpARM64FNMADDS) + v.AddArg3(a, x, y) + return true + } + return false +} +func rewriteValueARM64_OpARM64GreaterEqual(v *Value) bool { + v_0 := v.Args[0] + // match: (GreaterEqual (FlagConstant [fc])) + // result: (MOVDconst [b2i(fc.ge())]) + for { + if v_0.Op != OpARM64FlagConstant { + break + } + fc := auxIntToFlagConstant(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(b2i(fc.ge())) + return true + } + // match: (GreaterEqual (InvertFlags x)) + // result: (LessEqual x) + for { + if v_0.Op != OpARM64InvertFlags { + break + } + x := v_0.Args[0] + v.reset(OpARM64LessEqual) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64GreaterEqualF(v *Value) bool { + v_0 := v.Args[0] + // match: (GreaterEqualF (InvertFlags x)) + // result: (LessEqualF x) + for { + if v_0.Op != OpARM64InvertFlags { + break + } + x := v_0.Args[0] + v.reset(OpARM64LessEqualF) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64GreaterEqualU(v *Value) bool { + v_0 := v.Args[0] + // match: (GreaterEqualU (FlagConstant [fc])) + // result: (MOVDconst [b2i(fc.uge())]) + for { + if v_0.Op != OpARM64FlagConstant { + break + } + fc := auxIntToFlagConstant(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(b2i(fc.uge())) + return true + } + // match: (GreaterEqualU (InvertFlags x)) + // result: (LessEqualU x) + for { + if v_0.Op != OpARM64InvertFlags { + break + } + x := v_0.Args[0] + v.reset(OpARM64LessEqualU) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64GreaterThan(v *Value) bool { + v_0 := v.Args[0] + // match: (GreaterThan (FlagConstant [fc])) + // result: (MOVDconst [b2i(fc.gt())]) + for { + if v_0.Op != OpARM64FlagConstant { + break + } + fc := auxIntToFlagConstant(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(b2i(fc.gt())) + return true + } + // match: (GreaterThan (InvertFlags x)) + // result: (LessThan x) + for { + if v_0.Op != OpARM64InvertFlags { + break + } + x := v_0.Args[0] + v.reset(OpARM64LessThan) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64GreaterThanF(v *Value) bool { + v_0 := v.Args[0] + // match: (GreaterThanF (InvertFlags x)) + // result: (LessThanF x) + for { + if v_0.Op != OpARM64InvertFlags { + break + } + x := v_0.Args[0] + v.reset(OpARM64LessThanF) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64GreaterThanU(v *Value) bool { + v_0 := v.Args[0] + // match: (GreaterThanU (FlagConstant [fc])) + // result: (MOVDconst [b2i(fc.ugt())]) + for { + if v_0.Op != OpARM64FlagConstant { + break + } + fc := auxIntToFlagConstant(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(b2i(fc.ugt())) + return true + } + // match: (GreaterThanU (InvertFlags x)) + // result: (LessThanU x) + for { + if v_0.Op != OpARM64InvertFlags { + break + } + x := v_0.Args[0] + v.reset(OpARM64LessThanU) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64LessEqual(v *Value) bool { + v_0 := v.Args[0] + // match: (LessEqual (FlagConstant [fc])) + // result: (MOVDconst [b2i(fc.le())]) + for { + if v_0.Op != OpARM64FlagConstant { + break + } + fc := auxIntToFlagConstant(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(b2i(fc.le())) + return true + } + // match: (LessEqual (InvertFlags x)) + // result: (GreaterEqual x) + for { + if v_0.Op != OpARM64InvertFlags { + break + } + x := v_0.Args[0] + v.reset(OpARM64GreaterEqual) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64LessEqualF(v *Value) bool { + v_0 := v.Args[0] + // match: (LessEqualF (InvertFlags x)) + // result: (GreaterEqualF x) + for { + if v_0.Op != OpARM64InvertFlags { + break + } + x := v_0.Args[0] + v.reset(OpARM64GreaterEqualF) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64LessEqualU(v *Value) bool { + v_0 := v.Args[0] + // match: (LessEqualU (FlagConstant [fc])) + // result: (MOVDconst [b2i(fc.ule())]) + for { + if v_0.Op != OpARM64FlagConstant { + break + } + fc := auxIntToFlagConstant(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(b2i(fc.ule())) + return true + } + // match: (LessEqualU (InvertFlags x)) + // result: (GreaterEqualU x) + for { + if v_0.Op != OpARM64InvertFlags { + break + } + x := v_0.Args[0] + v.reset(OpARM64GreaterEqualU) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64LessThan(v *Value) bool { + v_0 := v.Args[0] + // match: (LessThan (FlagConstant [fc])) + // result: (MOVDconst [b2i(fc.lt())]) + for { + if v_0.Op != OpARM64FlagConstant { + break + } + fc := auxIntToFlagConstant(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(b2i(fc.lt())) + return true + } + // match: (LessThan (InvertFlags x)) + // result: (GreaterThan x) + for { + if v_0.Op != OpARM64InvertFlags { + break + } + x := v_0.Args[0] + v.reset(OpARM64GreaterThan) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64LessThanF(v *Value) bool { + v_0 := v.Args[0] + // match: (LessThanF (InvertFlags x)) + // result: (GreaterThanF x) + for { + if v_0.Op != OpARM64InvertFlags { + break + } + x := v_0.Args[0] + v.reset(OpARM64GreaterThanF) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64LessThanU(v *Value) bool { + v_0 := v.Args[0] + // match: (LessThanU (FlagConstant [fc])) + // result: (MOVDconst [b2i(fc.ult())]) + for { + if v_0.Op != OpARM64FlagConstant { + break + } + fc := auxIntToFlagConstant(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(b2i(fc.ult())) + return true + } + // match: (LessThanU (InvertFlags x)) + // result: (GreaterThanU x) + for { + if v_0.Op != OpARM64InvertFlags { + break + } + x := v_0.Args[0] + v.reset(OpARM64GreaterThanU) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64MADD(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (MADD a x (MOVDconst [-1])) + // result: (SUB a x) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != -1 { + break + } + v.reset(OpARM64SUB) + v.AddArg2(a, x) + return true + } + // match: (MADD a _ (MOVDconst [0])) + // result: a + for { + a := v_0 + if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 { + break + } + v.copyOf(a) + return true + } + // match: (MADD a x (MOVDconst [1])) + // result: (ADD a x) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 1 { + break + } + v.reset(OpARM64ADD) + v.AddArg2(a, x) + return true + } + // match: (MADD a x (MOVDconst [c])) + // cond: isPowerOfTwo64(c) + // result: (ADDshiftLL a x [log64(c)]) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(isPowerOfTwo64(c)) { + break + } + v.reset(OpARM64ADDshiftLL) + v.AuxInt = int64ToAuxInt(log64(c)) + v.AddArg2(a, x) + return true + } + // match: (MADD a x (MOVDconst [c])) + // cond: isPowerOfTwo64(c-1) && c>=3 + // result: (ADD a (ADDshiftLL <x.Type> x x [log64(c-1)])) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(isPowerOfTwo64(c-1) && c >= 3) { + break + } + v.reset(OpARM64ADD) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(log64(c - 1)) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MADD a x (MOVDconst [c])) + // cond: isPowerOfTwo64(c+1) && c>=7 + // result: (SUB a (SUBshiftLL <x.Type> x x [log64(c+1)])) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(isPowerOfTwo64(c+1) && c >= 7) { + break + } + v.reset(OpARM64SUB) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(log64(c + 1)) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MADD a x (MOVDconst [c])) + // cond: c%3 == 0 && isPowerOfTwo64(c/3) + // result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(c%3 == 0 && isPowerOfTwo64(c/3)) { + break + } + v.reset(OpARM64SUBshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 3)) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(2) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MADD a x (MOVDconst [c])) + // cond: c%5 == 0 && isPowerOfTwo64(c/5) + // result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(c%5 == 0 && isPowerOfTwo64(c/5)) { + break + } + v.reset(OpARM64ADDshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 5)) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(2) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MADD a x (MOVDconst [c])) + // cond: c%7 == 0 && isPowerOfTwo64(c/7) + // result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(c%7 == 0 && isPowerOfTwo64(c/7)) { + break + } + v.reset(OpARM64SUBshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 7)) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(3) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MADD a x (MOVDconst [c])) + // cond: c%9 == 0 && isPowerOfTwo64(c/9) + // result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(c%9 == 0 && isPowerOfTwo64(c/9)) { + break + } + v.reset(OpARM64ADDshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 9)) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(3) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MADD a (MOVDconst [-1]) x) + // result: (SUB a x) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 { + break + } + x := v_2 + v.reset(OpARM64SUB) + v.AddArg2(a, x) + return true + } + // match: (MADD a (MOVDconst [0]) _) + // result: a + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 { + break + } + v.copyOf(a) + return true + } + // match: (MADD a (MOVDconst [1]) x) + // result: (ADD a x) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 { + break + } + x := v_2 + v.reset(OpARM64ADD) + v.AddArg2(a, x) + return true + } + // match: (MADD a (MOVDconst [c]) x) + // cond: isPowerOfTwo64(c) + // result: (ADDshiftLL a x [log64(c)]) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(isPowerOfTwo64(c)) { + break + } + v.reset(OpARM64ADDshiftLL) + v.AuxInt = int64ToAuxInt(log64(c)) + v.AddArg2(a, x) + return true + } + // match: (MADD a (MOVDconst [c]) x) + // cond: isPowerOfTwo64(c-1) && c>=3 + // result: (ADD a (ADDshiftLL <x.Type> x x [log64(c-1)])) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(isPowerOfTwo64(c-1) && c >= 3) { + break + } + v.reset(OpARM64ADD) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(log64(c - 1)) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MADD a (MOVDconst [c]) x) + // cond: isPowerOfTwo64(c+1) && c>=7 + // result: (SUB a (SUBshiftLL <x.Type> x x [log64(c+1)])) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(isPowerOfTwo64(c+1) && c >= 7) { + break + } + v.reset(OpARM64SUB) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(log64(c + 1)) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MADD a (MOVDconst [c]) x) + // cond: c%3 == 0 && isPowerOfTwo64(c/3) + // result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(c%3 == 0 && isPowerOfTwo64(c/3)) { + break + } + v.reset(OpARM64SUBshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 3)) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(2) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MADD a (MOVDconst [c]) x) + // cond: c%5 == 0 && isPowerOfTwo64(c/5) + // result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(c%5 == 0 && isPowerOfTwo64(c/5)) { + break + } + v.reset(OpARM64ADDshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 5)) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(2) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MADD a (MOVDconst [c]) x) + // cond: c%7 == 0 && isPowerOfTwo64(c/7) + // result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(c%7 == 0 && isPowerOfTwo64(c/7)) { + break + } + v.reset(OpARM64SUBshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 7)) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(3) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MADD a (MOVDconst [c]) x) + // cond: c%9 == 0 && isPowerOfTwo64(c/9) + // result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(c%9 == 0 && isPowerOfTwo64(c/9)) { + break + } + v.reset(OpARM64ADDshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 9)) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(3) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MADD (MOVDconst [c]) x y) + // result: (ADDconst [c] (MUL <x.Type> x y)) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + y := v_2 + v.reset(OpARM64ADDconst) + v.AuxInt = int64ToAuxInt(c) + v0 := b.NewValue0(v.Pos, OpARM64MUL, x.Type) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } + // match: (MADD a (MOVDconst [c]) (MOVDconst [d])) + // result: (ADDconst [c*d] a) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + if v_2.Op != OpARM64MOVDconst { + break + } + d := auxIntToInt64(v_2.AuxInt) + v.reset(OpARM64ADDconst) + v.AuxInt = int64ToAuxInt(c * d) + v.AddArg(a) + return true + } + return false +} +func rewriteValueARM64_OpARM64MADDW(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (MADDW a x (MOVDconst [c])) + // cond: int32(c)==-1 + // result: (SUB a x) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(int32(c) == -1) { + break + } + v.reset(OpARM64SUB) + v.AddArg2(a, x) + return true + } + // match: (MADDW a _ (MOVDconst [c])) + // cond: int32(c)==0 + // result: a + for { + a := v_0 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(int32(c) == 0) { + break + } + v.copyOf(a) + return true + } + // match: (MADDW a x (MOVDconst [c])) + // cond: int32(c)==1 + // result: (ADD a x) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(int32(c) == 1) { + break + } + v.reset(OpARM64ADD) + v.AddArg2(a, x) + return true + } + // match: (MADDW a x (MOVDconst [c])) + // cond: isPowerOfTwo64(c) + // result: (ADDshiftLL a x [log64(c)]) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(isPowerOfTwo64(c)) { + break + } + v.reset(OpARM64ADDshiftLL) + v.AuxInt = int64ToAuxInt(log64(c)) + v.AddArg2(a, x) + return true + } + // match: (MADDW a x (MOVDconst [c])) + // cond: isPowerOfTwo64(c-1) && int32(c)>=3 + // result: (ADD a (ADDshiftLL <x.Type> x x [log64(c-1)])) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(isPowerOfTwo64(c-1) && int32(c) >= 3) { + break + } + v.reset(OpARM64ADD) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(log64(c - 1)) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MADDW a x (MOVDconst [c])) + // cond: isPowerOfTwo64(c+1) && int32(c)>=7 + // result: (SUB a (SUBshiftLL <x.Type> x x [log64(c+1)])) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(isPowerOfTwo64(c+1) && int32(c) >= 7) { + break + } + v.reset(OpARM64SUB) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(log64(c + 1)) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MADDW a x (MOVDconst [c])) + // cond: c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c) + // result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)) { + break + } + v.reset(OpARM64SUBshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 3)) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(2) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MADDW a x (MOVDconst [c])) + // cond: c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c) + // result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)) { + break + } + v.reset(OpARM64ADDshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 5)) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(2) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MADDW a x (MOVDconst [c])) + // cond: c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c) + // result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)) { + break + } + v.reset(OpARM64SUBshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 7)) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(3) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MADDW a x (MOVDconst [c])) + // cond: c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c) + // result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)) { + break + } + v.reset(OpARM64ADDshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 9)) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(3) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MADDW a (MOVDconst [c]) x) + // cond: int32(c)==-1 + // result: (SUB a x) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(int32(c) == -1) { + break + } + v.reset(OpARM64SUB) + v.AddArg2(a, x) + return true + } + // match: (MADDW a (MOVDconst [c]) _) + // cond: int32(c)==0 + // result: a + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + if !(int32(c) == 0) { + break + } + v.copyOf(a) + return true + } + // match: (MADDW a (MOVDconst [c]) x) + // cond: int32(c)==1 + // result: (ADD a x) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(int32(c) == 1) { + break + } + v.reset(OpARM64ADD) + v.AddArg2(a, x) + return true + } + // match: (MADDW a (MOVDconst [c]) x) + // cond: isPowerOfTwo64(c) + // result: (ADDshiftLL a x [log64(c)]) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(isPowerOfTwo64(c)) { + break + } + v.reset(OpARM64ADDshiftLL) + v.AuxInt = int64ToAuxInt(log64(c)) + v.AddArg2(a, x) + return true + } + // match: (MADDW a (MOVDconst [c]) x) + // cond: isPowerOfTwo64(c-1) && int32(c)>=3 + // result: (ADD a (ADDshiftLL <x.Type> x x [log64(c-1)])) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(isPowerOfTwo64(c-1) && int32(c) >= 3) { + break + } + v.reset(OpARM64ADD) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(log64(c - 1)) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MADDW a (MOVDconst [c]) x) + // cond: isPowerOfTwo64(c+1) && int32(c)>=7 + // result: (SUB a (SUBshiftLL <x.Type> x x [log64(c+1)])) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(isPowerOfTwo64(c+1) && int32(c) >= 7) { + break + } + v.reset(OpARM64SUB) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(log64(c + 1)) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MADDW a (MOVDconst [c]) x) + // cond: c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c) + // result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)) { + break + } + v.reset(OpARM64SUBshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 3)) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(2) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MADDW a (MOVDconst [c]) x) + // cond: c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c) + // result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)) { + break + } + v.reset(OpARM64ADDshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 5)) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(2) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MADDW a (MOVDconst [c]) x) + // cond: c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c) + // result: (SUBshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)) { + break + } + v.reset(OpARM64SUBshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 7)) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(3) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MADDW a (MOVDconst [c]) x) + // cond: c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c) + // result: (ADDshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)) { + break + } + v.reset(OpARM64ADDshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 9)) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(3) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MADDW (MOVDconst [c]) x y) + // result: (ADDconst [c] (MULW <x.Type> x y)) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + y := v_2 + v.reset(OpARM64ADDconst) + v.AuxInt = int64ToAuxInt(c) + v0 := b.NewValue0(v.Pos, OpARM64MULW, x.Type) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } + // match: (MADDW a (MOVDconst [c]) (MOVDconst [d])) + // result: (ADDconst [int64(int32(c)*int32(d))] a) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + if v_2.Op != OpARM64MOVDconst { + break + } + d := auxIntToInt64(v_2.AuxInt) + v.reset(OpARM64ADDconst) + v.AuxInt = int64ToAuxInt(int64(int32(c) * int32(d))) + v.AddArg(a) + return true + } + return false +} +func rewriteValueARM64_OpARM64MNEG(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (MNEG x (MOVDconst [-1])) + // result: x + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 { + continue + } + v.copyOf(x) + return true + } + break + } + // match: (MNEG _ (MOVDconst [0])) + // result: (MOVDconst [0]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 { + continue + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + break + } + // match: (MNEG x (MOVDconst [1])) + // result: (NEG x) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 { + continue + } + v.reset(OpARM64NEG) + v.AddArg(x) + return true + } + break + } + // match: (MNEG x (MOVDconst [c])) + // cond: isPowerOfTwo64(c) + // result: (NEG (SLLconst <x.Type> [log64(c)] x)) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(isPowerOfTwo64(c)) { + continue + } + v.reset(OpARM64NEG) + v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) + v0.AuxInt = int64ToAuxInt(log64(c)) + v0.AddArg(x) + v.AddArg(v0) + return true + } + break + } + // match: (MNEG x (MOVDconst [c])) + // cond: isPowerOfTwo64(c-1) && c >= 3 + // result: (NEG (ADDshiftLL <x.Type> x x [log64(c-1)])) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(isPowerOfTwo64(c-1) && c >= 3) { + continue + } + v.reset(OpARM64NEG) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(log64(c - 1)) + v0.AddArg2(x, x) + v.AddArg(v0) + return true + } + break + } + // match: (MNEG x (MOVDconst [c])) + // cond: isPowerOfTwo64(c+1) && c >= 7 + // result: (NEG (ADDshiftLL <x.Type> (NEG <x.Type> x) x [log64(c+1)])) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(isPowerOfTwo64(c+1) && c >= 7) { + continue + } + v.reset(OpARM64NEG) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(log64(c + 1)) + v1 := b.NewValue0(v.Pos, OpARM64NEG, x.Type) + v1.AddArg(x) + v0.AddArg2(v1, x) + v.AddArg(v0) + return true + } + break + } + // match: (MNEG x (MOVDconst [c])) + // cond: c%3 == 0 && isPowerOfTwo64(c/3) + // result: (SLLconst <x.Type> [log64(c/3)] (SUBshiftLL <x.Type> x x [2])) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(c%3 == 0 && isPowerOfTwo64(c/3)) { + continue + } + v.reset(OpARM64SLLconst) + v.Type = x.Type + v.AuxInt = int64ToAuxInt(log64(c / 3)) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(2) + v0.AddArg2(x, x) + v.AddArg(v0) + return true + } + break + } + // match: (MNEG x (MOVDconst [c])) + // cond: c%5 == 0 && isPowerOfTwo64(c/5) + // result: (NEG (SLLconst <x.Type> [log64(c/5)] (ADDshiftLL <x.Type> x x [2]))) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(c%5 == 0 && isPowerOfTwo64(c/5)) { + continue + } + v.reset(OpARM64NEG) + v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) + v0.AuxInt = int64ToAuxInt(log64(c / 5)) + v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v1.AuxInt = int64ToAuxInt(2) + v1.AddArg2(x, x) + v0.AddArg(v1) + v.AddArg(v0) + return true + } + break + } + // match: (MNEG x (MOVDconst [c])) + // cond: c%7 == 0 && isPowerOfTwo64(c/7) + // result: (SLLconst <x.Type> [log64(c/7)] (SUBshiftLL <x.Type> x x [3])) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(c%7 == 0 && isPowerOfTwo64(c/7)) { + continue + } + v.reset(OpARM64SLLconst) + v.Type = x.Type + v.AuxInt = int64ToAuxInt(log64(c / 7)) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(3) + v0.AddArg2(x, x) + v.AddArg(v0) + return true + } + break + } + // match: (MNEG x (MOVDconst [c])) + // cond: c%9 == 0 && isPowerOfTwo64(c/9) + // result: (NEG (SLLconst <x.Type> [log64(c/9)] (ADDshiftLL <x.Type> x x [3]))) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(c%9 == 0 && isPowerOfTwo64(c/9)) { + continue + } + v.reset(OpARM64NEG) + v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) + v0.AuxInt = int64ToAuxInt(log64(c / 9)) + v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v1.AuxInt = int64ToAuxInt(3) + v1.AddArg2(x, x) + v0.AddArg(v1) + v.AddArg(v0) + return true + } + break + } + // match: (MNEG (MOVDconst [c]) (MOVDconst [d])) + // result: (MOVDconst [-c*d]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_0.AuxInt) + if v_1.Op != OpARM64MOVDconst { + continue + } + d := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(-c * d) + return true + } + break + } + return false +} +func rewriteValueARM64_OpARM64MNEGW(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (MNEGW x (MOVDconst [c])) + // cond: int32(c)==-1 + // result: x + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(int32(c) == -1) { + continue + } + v.copyOf(x) + return true + } + break + } + // match: (MNEGW _ (MOVDconst [c])) + // cond: int32(c)==0 + // result: (MOVDconst [0]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(int32(c) == 0) { + continue + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + break + } + // match: (MNEGW x (MOVDconst [c])) + // cond: int32(c)==1 + // result: (NEG x) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(int32(c) == 1) { + continue + } + v.reset(OpARM64NEG) + v.AddArg(x) + return true + } + break + } + // match: (MNEGW x (MOVDconst [c])) + // cond: isPowerOfTwo64(c) + // result: (NEG (SLLconst <x.Type> [log64(c)] x)) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(isPowerOfTwo64(c)) { + continue + } + v.reset(OpARM64NEG) + v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) + v0.AuxInt = int64ToAuxInt(log64(c)) + v0.AddArg(x) + v.AddArg(v0) + return true + } + break + } + // match: (MNEGW x (MOVDconst [c])) + // cond: isPowerOfTwo64(c-1) && int32(c) >= 3 + // result: (NEG (ADDshiftLL <x.Type> x x [log64(c-1)])) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(isPowerOfTwo64(c-1) && int32(c) >= 3) { + continue + } + v.reset(OpARM64NEG) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(log64(c - 1)) + v0.AddArg2(x, x) + v.AddArg(v0) + return true + } + break + } + // match: (MNEGW x (MOVDconst [c])) + // cond: isPowerOfTwo64(c+1) && int32(c) >= 7 + // result: (NEG (ADDshiftLL <x.Type> (NEG <x.Type> x) x [log64(c+1)])) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(isPowerOfTwo64(c+1) && int32(c) >= 7) { + continue + } + v.reset(OpARM64NEG) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(log64(c + 1)) + v1 := b.NewValue0(v.Pos, OpARM64NEG, x.Type) + v1.AddArg(x) + v0.AddArg2(v1, x) + v.AddArg(v0) + return true + } + break + } + // match: (MNEGW x (MOVDconst [c])) + // cond: c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c) + // result: (SLLconst <x.Type> [log64(c/3)] (SUBshiftLL <x.Type> x x [2])) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)) { + continue + } + v.reset(OpARM64SLLconst) + v.Type = x.Type + v.AuxInt = int64ToAuxInt(log64(c / 3)) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(2) + v0.AddArg2(x, x) + v.AddArg(v0) + return true + } + break + } + // match: (MNEGW x (MOVDconst [c])) + // cond: c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c) + // result: (NEG (SLLconst <x.Type> [log64(c/5)] (ADDshiftLL <x.Type> x x [2]))) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)) { + continue + } + v.reset(OpARM64NEG) + v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) + v0.AuxInt = int64ToAuxInt(log64(c / 5)) + v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v1.AuxInt = int64ToAuxInt(2) + v1.AddArg2(x, x) + v0.AddArg(v1) + v.AddArg(v0) + return true + } + break + } + // match: (MNEGW x (MOVDconst [c])) + // cond: c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c) + // result: (SLLconst <x.Type> [log64(c/7)] (SUBshiftLL <x.Type> x x [3])) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)) { + continue + } + v.reset(OpARM64SLLconst) + v.Type = x.Type + v.AuxInt = int64ToAuxInt(log64(c / 7)) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(3) + v0.AddArg2(x, x) + v.AddArg(v0) + return true + } + break + } + // match: (MNEGW x (MOVDconst [c])) + // cond: c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c) + // result: (NEG (SLLconst <x.Type> [log64(c/9)] (ADDshiftLL <x.Type> x x [3]))) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)) { + continue + } + v.reset(OpARM64NEG) + v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) + v0.AuxInt = int64ToAuxInt(log64(c / 9)) + v1 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v1.AuxInt = int64ToAuxInt(3) + v1.AddArg2(x, x) + v0.AddArg(v1) + v.AddArg(v0) + return true + } + break + } + // match: (MNEGW (MOVDconst [c]) (MOVDconst [d])) + // result: (MOVDconst [-int64(int32(c)*int32(d))]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_0.AuxInt) + if v_1.Op != OpARM64MOVDconst { + continue + } + d := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(-int64(int32(c) * int32(d))) + return true + } + break + } + return false +} +func rewriteValueARM64_OpARM64MOD(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MOD (MOVDconst [c]) (MOVDconst [d])) + // cond: d != 0 + // result: (MOVDconst [c%d]) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + if v_1.Op != OpARM64MOVDconst { + break + } + d := auxIntToInt64(v_1.AuxInt) + if !(d != 0) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(c % d) + return true + } + return false +} +func rewriteValueARM64_OpARM64MODW(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MODW (MOVDconst [c]) (MOVDconst [d])) + // cond: d != 0 + // result: (MOVDconst [int64(int32(c)%int32(d))]) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + if v_1.Op != OpARM64MOVDconst { + break + } + d := auxIntToInt64(v_1.AuxInt) + if !(d != 0) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(int64(int32(c) % int32(d))) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVBUload(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + config := b.Func.Config + // match: (MOVBUload [off1] {sym} (ADDconst [off2] ptr) mem) + // cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVBUload [off1+int32(off2)] {sym} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDconst { + break + } + off2 := auxIntToInt64(v_0.AuxInt) + ptr := v_0.Args[0] + mem := v_1 + if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVBUload) + v.AuxInt = int32ToAuxInt(off1 + int32(off2)) + v.Aux = symToAux(sym) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVBUload [off] {sym} (ADD ptr idx) mem) + // cond: off == 0 && sym == nil + // result: (MOVBUloadidx ptr idx mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + mem := v_1 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64MOVBUloadidx) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVBUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) + // cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVBUload [off1+off2] {mergeSym(sym1,sym2)} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym1 := auxToSym(v.Aux) + if v_0.Op != OpARM64MOVDaddr { + break + } + off2 := auxIntToInt32(v_0.AuxInt) + sym2 := auxToSym(v_0.Aux) + ptr := v_0.Args[0] + mem := v_1 + if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVBUload) + v.AuxInt = int32ToAuxInt(off1 + off2) + v.Aux = symToAux(mergeSym(sym1, sym2)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVBUload [off] {sym} ptr (MOVBstorezero [off2] {sym2} ptr2 _)) + // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) + // result: (MOVDconst [0]) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64MOVBstorezero { + break + } + off2 := auxIntToInt32(v_1.AuxInt) + sym2 := auxToSym(v_1.Aux) + ptr2 := v_1.Args[0] + if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + // match: (MOVBUload [off] {sym} (SB) _) + // cond: symIsRO(sym) + // result: (MOVDconst [int64(read8(sym, int64(off)))]) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpSB || !(symIsRO(sym)) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(int64(read8(sym, int64(off)))) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVBUloadidx(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MOVBUloadidx ptr (MOVDconst [c]) mem) + // cond: is32Bit(c) + // result: (MOVBUload [int32(c)] ptr mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + mem := v_2 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVBUload) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVBUloadidx (MOVDconst [c]) ptr mem) + // cond: is32Bit(c) + // result: (MOVBUload [int32(c)] ptr mem) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + ptr := v_1 + mem := v_2 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVBUload) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVBUloadidx ptr idx (MOVBstorezeroidx ptr2 idx2 _)) + // cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) + // result: (MOVDconst [0]) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVBstorezeroidx { + break + } + idx2 := v_2.Args[1] + ptr2 := v_2.Args[0] + if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVBUreg(v *Value) bool { + v_0 := v.Args[0] + // match: (MOVBUreg x:(MOVBUload _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVBUload { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVBUreg x:(MOVBUloadidx _ _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVBUloadidx { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVBUreg x:(MOVBUreg _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVBUreg { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVBUreg (ANDconst [c] x)) + // result: (ANDconst [c&(1<<8-1)] x) + for { + if v_0.Op != OpARM64ANDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(c & (1<<8 - 1)) + v.AddArg(x) + return true + } + // match: (MOVBUreg (MOVDconst [c])) + // result: (MOVDconst [int64(uint8(c))]) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(int64(uint8(c))) + return true + } + // match: (MOVBUreg x:(Equal _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64Equal { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVBUreg x:(NotEqual _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64NotEqual { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVBUreg x:(LessThan _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64LessThan { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVBUreg x:(LessThanU _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64LessThanU { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVBUreg x:(LessThanF _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64LessThanF { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVBUreg x:(LessEqual _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64LessEqual { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVBUreg x:(LessEqualU _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64LessEqualU { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVBUreg x:(LessEqualF _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64LessEqualF { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVBUreg x:(GreaterThan _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64GreaterThan { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVBUreg x:(GreaterThanU _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64GreaterThanU { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVBUreg x:(GreaterThanF _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64GreaterThanF { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVBUreg x:(GreaterEqual _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64GreaterEqual { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVBUreg x:(GreaterEqualU _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64GreaterEqualU { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVBUreg x:(GreaterEqualF _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64GreaterEqualF { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVBUreg (SLLconst [lc] x)) + // cond: lc >= 8 + // result: (MOVDconst [0]) + for { + if v_0.Op != OpARM64SLLconst { + break + } + lc := auxIntToInt64(v_0.AuxInt) + if !(lc >= 8) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + // match: (MOVBUreg (SLLconst [lc] x)) + // cond: lc < 8 + // result: (UBFIZ [armBFAuxInt(lc, 8-lc)] x) + for { + if v_0.Op != OpARM64SLLconst { + break + } + lc := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(lc < 8) { + break + } + v.reset(OpARM64UBFIZ) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 8-lc)) + v.AddArg(x) + return true + } + // match: (MOVBUreg (SRLconst [rc] x)) + // cond: rc < 8 + // result: (UBFX [armBFAuxInt(rc, 8)] x) + for { + if v_0.Op != OpARM64SRLconst { + break + } + rc := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(rc < 8) { + break + } + v.reset(OpARM64UBFX) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 8)) + v.AddArg(x) + return true + } + // match: (MOVBUreg (UBFX [bfc] x)) + // cond: bfc.getARM64BFwidth() <= 8 + // result: (UBFX [bfc] x) + for { + if v_0.Op != OpARM64UBFX { + break + } + bfc := auxIntToArm64BitField(v_0.AuxInt) + x := v_0.Args[0] + if !(bfc.getARM64BFwidth() <= 8) { + break + } + v.reset(OpARM64UBFX) + v.AuxInt = arm64BitFieldToAuxInt(bfc) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVBload(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + config := b.Func.Config + // match: (MOVBload [off1] {sym} (ADDconst [off2] ptr) mem) + // cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVBload [off1+int32(off2)] {sym} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDconst { + break + } + off2 := auxIntToInt64(v_0.AuxInt) + ptr := v_0.Args[0] + mem := v_1 + if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVBload) + v.AuxInt = int32ToAuxInt(off1 + int32(off2)) + v.Aux = symToAux(sym) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVBload [off] {sym} (ADD ptr idx) mem) + // cond: off == 0 && sym == nil + // result: (MOVBloadidx ptr idx mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + mem := v_1 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64MOVBloadidx) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVBload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) + // cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVBload [off1+off2] {mergeSym(sym1,sym2)} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym1 := auxToSym(v.Aux) + if v_0.Op != OpARM64MOVDaddr { + break + } + off2 := auxIntToInt32(v_0.AuxInt) + sym2 := auxToSym(v_0.Aux) + ptr := v_0.Args[0] + mem := v_1 + if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVBload) + v.AuxInt = int32ToAuxInt(off1 + off2) + v.Aux = symToAux(mergeSym(sym1, sym2)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVBload [off] {sym} ptr (MOVBstorezero [off2] {sym2} ptr2 _)) + // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) + // result: (MOVDconst [0]) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64MOVBstorezero { + break + } + off2 := auxIntToInt32(v_1.AuxInt) + sym2 := auxToSym(v_1.Aux) + ptr2 := v_1.Args[0] + if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVBloadidx(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MOVBloadidx ptr (MOVDconst [c]) mem) + // cond: is32Bit(c) + // result: (MOVBload [int32(c)] ptr mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + mem := v_2 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVBload) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVBloadidx (MOVDconst [c]) ptr mem) + // cond: is32Bit(c) + // result: (MOVBload [int32(c)] ptr mem) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + ptr := v_1 + mem := v_2 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVBload) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVBloadidx ptr idx (MOVBstorezeroidx ptr2 idx2 _)) + // cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) + // result: (MOVDconst [0]) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVBstorezeroidx { + break + } + idx2 := v_2.Args[1] + ptr2 := v_2.Args[0] + if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVBreg(v *Value) bool { + v_0 := v.Args[0] + // match: (MOVBreg x:(MOVBload _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVBload { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVBreg x:(MOVBloadidx _ _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVBloadidx { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVBreg x:(MOVBreg _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVBreg { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVBreg (MOVDconst [c])) + // result: (MOVDconst [int64(int8(c))]) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(int64(int8(c))) + return true + } + // match: (MOVBreg (SLLconst [lc] x)) + // cond: lc < 8 + // result: (SBFIZ [armBFAuxInt(lc, 8-lc)] x) + for { + if v_0.Op != OpARM64SLLconst { + break + } + lc := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(lc < 8) { + break + } + v.reset(OpARM64SBFIZ) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 8-lc)) + v.AddArg(x) + return true + } + // match: (MOVBreg (SBFX [bfc] x)) + // cond: bfc.getARM64BFwidth() <= 8 + // result: (SBFX [bfc] x) + for { + if v_0.Op != OpARM64SBFX { + break + } + bfc := auxIntToArm64BitField(v_0.AuxInt) + x := v_0.Args[0] + if !(bfc.getARM64BFwidth() <= 8) { + break + } + v.reset(OpARM64SBFX) + v.AuxInt = arm64BitFieldToAuxInt(bfc) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVBstore(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + config := b.Func.Config + // match: (MOVBstore [off1] {sym} (ADDconst [off2] ptr) val mem) + // cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVBstore [off1+int32(off2)] {sym} ptr val mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDconst { + break + } + off2 := auxIntToInt64(v_0.AuxInt) + ptr := v_0.Args[0] + val := v_1 + mem := v_2 + if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVBstore) + v.AuxInt = int32ToAuxInt(off1 + int32(off2)) + v.Aux = symToAux(sym) + v.AddArg3(ptr, val, mem) + return true + } + // match: (MOVBstore [off] {sym} (ADD ptr idx) val mem) + // cond: off == 0 && sym == nil + // result: (MOVBstoreidx ptr idx val mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + val := v_1 + mem := v_2 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64MOVBstoreidx) + v.AddArg4(ptr, idx, val, mem) + return true + } + // match: (MOVBstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem) + // cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVBstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym1 := auxToSym(v.Aux) + if v_0.Op != OpARM64MOVDaddr { + break + } + off2 := auxIntToInt32(v_0.AuxInt) + sym2 := auxToSym(v_0.Aux) + ptr := v_0.Args[0] + val := v_1 + mem := v_2 + if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVBstore) + v.AuxInt = int32ToAuxInt(off1 + off2) + v.Aux = symToAux(mergeSym(sym1, sym2)) + v.AddArg3(ptr, val, mem) + return true + } + // match: (MOVBstore [off] {sym} ptr (MOVDconst [0]) mem) + // result: (MOVBstorezero [off] {sym} ptr mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 { + break + } + mem := v_2 + v.reset(OpARM64MOVBstorezero) + v.AuxInt = int32ToAuxInt(off) + v.Aux = symToAux(sym) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVBstore [off] {sym} ptr (MOVBreg x) mem) + // result: (MOVBstore [off] {sym} ptr x mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64MOVBreg { + break + } + x := v_1.Args[0] + mem := v_2 + v.reset(OpARM64MOVBstore) + v.AuxInt = int32ToAuxInt(off) + v.Aux = symToAux(sym) + v.AddArg3(ptr, x, mem) + return true + } + // match: (MOVBstore [off] {sym} ptr (MOVBUreg x) mem) + // result: (MOVBstore [off] {sym} ptr x mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64MOVBUreg { + break + } + x := v_1.Args[0] + mem := v_2 + v.reset(OpARM64MOVBstore) + v.AuxInt = int32ToAuxInt(off) + v.Aux = symToAux(sym) + v.AddArg3(ptr, x, mem) + return true + } + // match: (MOVBstore [off] {sym} ptr (MOVHreg x) mem) + // result: (MOVBstore [off] {sym} ptr x mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64MOVHreg { + break + } + x := v_1.Args[0] + mem := v_2 + v.reset(OpARM64MOVBstore) + v.AuxInt = int32ToAuxInt(off) + v.Aux = symToAux(sym) + v.AddArg3(ptr, x, mem) + return true + } + // match: (MOVBstore [off] {sym} ptr (MOVHUreg x) mem) + // result: (MOVBstore [off] {sym} ptr x mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64MOVHUreg { + break + } + x := v_1.Args[0] + mem := v_2 + v.reset(OpARM64MOVBstore) + v.AuxInt = int32ToAuxInt(off) + v.Aux = symToAux(sym) + v.AddArg3(ptr, x, mem) + return true + } + // match: (MOVBstore [off] {sym} ptr (MOVWreg x) mem) + // result: (MOVBstore [off] {sym} ptr x mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64MOVWreg { + break + } + x := v_1.Args[0] + mem := v_2 + v.reset(OpARM64MOVBstore) + v.AuxInt = int32ToAuxInt(off) + v.Aux = symToAux(sym) + v.AddArg3(ptr, x, mem) + return true + } + // match: (MOVBstore [off] {sym} ptr (MOVWUreg x) mem) + // result: (MOVBstore [off] {sym} ptr x mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64MOVWUreg { + break + } + x := v_1.Args[0] + mem := v_2 + v.reset(OpARM64MOVBstore) + v.AuxInt = int32ToAuxInt(off) + v.Aux = symToAux(sym) + v.AddArg3(ptr, x, mem) + return true + } + // match: (MOVBstore [i] {s} ptr0 (SRLconst [8] w) x:(MOVBstore [i-1] {s} ptr1 w mem)) + // cond: x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x) + // result: (MOVHstore [i-1] {s} ptr0 w mem) + for { + i := auxIntToInt32(v.AuxInt) + s := auxToSym(v.Aux) + ptr0 := v_0 + if v_1.Op != OpARM64SRLconst || auxIntToInt64(v_1.AuxInt) != 8 { + break + } + w := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVBstore || auxIntToInt32(x.AuxInt) != i-1 || auxToSym(x.Aux) != s { + break + } + mem := x.Args[2] + ptr1 := x.Args[0] + if w != x.Args[1] || !(x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x)) { + break + } + v.reset(OpARM64MOVHstore) + v.AuxInt = int32ToAuxInt(i - 1) + v.Aux = symToAux(s) + v.AddArg3(ptr0, w, mem) + return true + } + // match: (MOVBstore [1] {s} (ADD ptr0 idx0) (SRLconst [8] w) x:(MOVBstoreidx ptr1 idx1 w mem)) + // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) + // result: (MOVHstoreidx ptr1 idx1 w mem) + for { + if auxIntToInt32(v.AuxInt) != 1 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + _ = v_0.Args[1] + v_0_0 := v_0.Args[0] + v_0_1 := v_0.Args[1] + for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 { + ptr0 := v_0_0 + idx0 := v_0_1 + if v_1.Op != OpARM64SRLconst || auxIntToInt64(v_1.AuxInt) != 8 { + continue + } + w := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVBstoreidx { + continue + } + mem := x.Args[3] + ptr1 := x.Args[0] + idx1 := x.Args[1] + if w != x.Args[2] || !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { + continue + } + v.reset(OpARM64MOVHstoreidx) + v.AddArg4(ptr1, idx1, w, mem) + return true + } + break + } + // match: (MOVBstore [i] {s} ptr0 (UBFX [armBFAuxInt(8, 8)] w) x:(MOVBstore [i-1] {s} ptr1 w mem)) + // cond: x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x) + // result: (MOVHstore [i-1] {s} ptr0 w mem) + for { + i := auxIntToInt32(v.AuxInt) + s := auxToSym(v.Aux) + ptr0 := v_0 + if v_1.Op != OpARM64UBFX || auxIntToArm64BitField(v_1.AuxInt) != armBFAuxInt(8, 8) { + break + } + w := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVBstore || auxIntToInt32(x.AuxInt) != i-1 || auxToSym(x.Aux) != s { + break + } + mem := x.Args[2] + ptr1 := x.Args[0] + if w != x.Args[1] || !(x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x)) { + break + } + v.reset(OpARM64MOVHstore) + v.AuxInt = int32ToAuxInt(i - 1) + v.Aux = symToAux(s) + v.AddArg3(ptr0, w, mem) + return true + } + // match: (MOVBstore [1] {s} (ADD ptr0 idx0) (UBFX [armBFAuxInt(8, 8)] w) x:(MOVBstoreidx ptr1 idx1 w mem)) + // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) + // result: (MOVHstoreidx ptr1 idx1 w mem) + for { + if auxIntToInt32(v.AuxInt) != 1 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + _ = v_0.Args[1] + v_0_0 := v_0.Args[0] + v_0_1 := v_0.Args[1] + for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 { + ptr0 := v_0_0 + idx0 := v_0_1 + if v_1.Op != OpARM64UBFX || auxIntToArm64BitField(v_1.AuxInt) != armBFAuxInt(8, 8) { + continue + } + w := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVBstoreidx { + continue + } + mem := x.Args[3] + ptr1 := x.Args[0] + idx1 := x.Args[1] + if w != x.Args[2] || !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { + continue + } + v.reset(OpARM64MOVHstoreidx) + v.AddArg4(ptr1, idx1, w, mem) + return true + } + break + } + // match: (MOVBstore [i] {s} ptr0 (UBFX [armBFAuxInt(8, 24)] w) x:(MOVBstore [i-1] {s} ptr1 w mem)) + // cond: x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x) + // result: (MOVHstore [i-1] {s} ptr0 w mem) + for { + i := auxIntToInt32(v.AuxInt) + s := auxToSym(v.Aux) + ptr0 := v_0 + if v_1.Op != OpARM64UBFX || auxIntToArm64BitField(v_1.AuxInt) != armBFAuxInt(8, 24) { + break + } + w := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVBstore || auxIntToInt32(x.AuxInt) != i-1 || auxToSym(x.Aux) != s { + break + } + mem := x.Args[2] + ptr1 := x.Args[0] + if w != x.Args[1] || !(x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x)) { + break + } + v.reset(OpARM64MOVHstore) + v.AuxInt = int32ToAuxInt(i - 1) + v.Aux = symToAux(s) + v.AddArg3(ptr0, w, mem) + return true + } + // match: (MOVBstore [1] {s} (ADD ptr0 idx0) (UBFX [armBFAuxInt(8, 24)] w) x:(MOVBstoreidx ptr1 idx1 w mem)) + // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) + // result: (MOVHstoreidx ptr1 idx1 w mem) + for { + if auxIntToInt32(v.AuxInt) != 1 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + _ = v_0.Args[1] + v_0_0 := v_0.Args[0] + v_0_1 := v_0.Args[1] + for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 { + ptr0 := v_0_0 + idx0 := v_0_1 + if v_1.Op != OpARM64UBFX || auxIntToArm64BitField(v_1.AuxInt) != armBFAuxInt(8, 24) { + continue + } + w := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVBstoreidx { + continue + } + mem := x.Args[3] + ptr1 := x.Args[0] + idx1 := x.Args[1] + if w != x.Args[2] || !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { + continue + } + v.reset(OpARM64MOVHstoreidx) + v.AddArg4(ptr1, idx1, w, mem) + return true + } + break + } + // match: (MOVBstore [i] {s} ptr0 (SRLconst [8] (MOVDreg w)) x:(MOVBstore [i-1] {s} ptr1 w mem)) + // cond: x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x) + // result: (MOVHstore [i-1] {s} ptr0 w mem) + for { + i := auxIntToInt32(v.AuxInt) + s := auxToSym(v.Aux) + ptr0 := v_0 + if v_1.Op != OpARM64SRLconst || auxIntToInt64(v_1.AuxInt) != 8 { + break + } + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpARM64MOVDreg { + break + } + w := v_1_0.Args[0] + x := v_2 + if x.Op != OpARM64MOVBstore || auxIntToInt32(x.AuxInt) != i-1 || auxToSym(x.Aux) != s { + break + } + mem := x.Args[2] + ptr1 := x.Args[0] + if w != x.Args[1] || !(x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x)) { + break + } + v.reset(OpARM64MOVHstore) + v.AuxInt = int32ToAuxInt(i - 1) + v.Aux = symToAux(s) + v.AddArg3(ptr0, w, mem) + return true + } + // match: (MOVBstore [1] {s} (ADD ptr0 idx0) (SRLconst [8] (MOVDreg w)) x:(MOVBstoreidx ptr1 idx1 w mem)) + // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) + // result: (MOVHstoreidx ptr1 idx1 w mem) + for { + if auxIntToInt32(v.AuxInt) != 1 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + _ = v_0.Args[1] + v_0_0 := v_0.Args[0] + v_0_1 := v_0.Args[1] + for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 { + ptr0 := v_0_0 + idx0 := v_0_1 + if v_1.Op != OpARM64SRLconst || auxIntToInt64(v_1.AuxInt) != 8 { + continue + } + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpARM64MOVDreg { + continue + } + w := v_1_0.Args[0] + x := v_2 + if x.Op != OpARM64MOVBstoreidx { + continue + } + mem := x.Args[3] + ptr1 := x.Args[0] + idx1 := x.Args[1] + if w != x.Args[2] || !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { + continue + } + v.reset(OpARM64MOVHstoreidx) + v.AddArg4(ptr1, idx1, w, mem) + return true + } + break + } + // match: (MOVBstore [i] {s} ptr0 (SRLconst [j] w) x:(MOVBstore [i-1] {s} ptr1 w0:(SRLconst [j-8] w) mem)) + // cond: x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x) + // result: (MOVHstore [i-1] {s} ptr0 w0 mem) + for { + i := auxIntToInt32(v.AuxInt) + s := auxToSym(v.Aux) + ptr0 := v_0 + if v_1.Op != OpARM64SRLconst { + break + } + j := auxIntToInt64(v_1.AuxInt) + w := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVBstore || auxIntToInt32(x.AuxInt) != i-1 || auxToSym(x.Aux) != s { + break + } + mem := x.Args[2] + ptr1 := x.Args[0] + w0 := x.Args[1] + if w0.Op != OpARM64SRLconst || auxIntToInt64(w0.AuxInt) != j-8 || w != w0.Args[0] || !(x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x)) { + break + } + v.reset(OpARM64MOVHstore) + v.AuxInt = int32ToAuxInt(i - 1) + v.Aux = symToAux(s) + v.AddArg3(ptr0, w0, mem) + return true + } + // match: (MOVBstore [1] {s} (ADD ptr0 idx0) (SRLconst [j] w) x:(MOVBstoreidx ptr1 idx1 w0:(SRLconst [j-8] w) mem)) + // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) + // result: (MOVHstoreidx ptr1 idx1 w0 mem) + for { + if auxIntToInt32(v.AuxInt) != 1 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + _ = v_0.Args[1] + v_0_0 := v_0.Args[0] + v_0_1 := v_0.Args[1] + for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 { + ptr0 := v_0_0 + idx0 := v_0_1 + if v_1.Op != OpARM64SRLconst { + continue + } + j := auxIntToInt64(v_1.AuxInt) + w := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVBstoreidx { + continue + } + mem := x.Args[3] + ptr1 := x.Args[0] + idx1 := x.Args[1] + w0 := x.Args[2] + if w0.Op != OpARM64SRLconst || auxIntToInt64(w0.AuxInt) != j-8 || w != w0.Args[0] || !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { + continue + } + v.reset(OpARM64MOVHstoreidx) + v.AddArg4(ptr1, idx1, w0, mem) + return true + } + break + } + // match: (MOVBstore [i] {s} ptr0 (UBFX [bfc] w) x:(MOVBstore [i-1] {s} ptr1 w0:(UBFX [bfc2] w) mem)) + // cond: x.Uses == 1 && isSamePtr(ptr0, ptr1) && bfc.getARM64BFwidth() == 32 - bfc.getARM64BFlsb() && bfc2.getARM64BFwidth() == 32 - bfc2.getARM64BFlsb() && bfc2.getARM64BFlsb() == bfc.getARM64BFlsb() - 8 && clobber(x) + // result: (MOVHstore [i-1] {s} ptr0 w0 mem) + for { + i := auxIntToInt32(v.AuxInt) + s := auxToSym(v.Aux) + ptr0 := v_0 + if v_1.Op != OpARM64UBFX { + break + } + bfc := auxIntToArm64BitField(v_1.AuxInt) + w := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVBstore || auxIntToInt32(x.AuxInt) != i-1 || auxToSym(x.Aux) != s { + break + } + mem := x.Args[2] + ptr1 := x.Args[0] + w0 := x.Args[1] + if w0.Op != OpARM64UBFX { + break + } + bfc2 := auxIntToArm64BitField(w0.AuxInt) + if w != w0.Args[0] || !(x.Uses == 1 && isSamePtr(ptr0, ptr1) && bfc.getARM64BFwidth() == 32-bfc.getARM64BFlsb() && bfc2.getARM64BFwidth() == 32-bfc2.getARM64BFlsb() && bfc2.getARM64BFlsb() == bfc.getARM64BFlsb()-8 && clobber(x)) { + break + } + v.reset(OpARM64MOVHstore) + v.AuxInt = int32ToAuxInt(i - 1) + v.Aux = symToAux(s) + v.AddArg3(ptr0, w0, mem) + return true + } + // match: (MOVBstore [1] {s} (ADD ptr0 idx0) (UBFX [bfc] w) x:(MOVBstoreidx ptr1 idx1 w0:(UBFX [bfc2] w) mem)) + // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && bfc.getARM64BFwidth() == 32 - bfc.getARM64BFlsb() && bfc2.getARM64BFwidth() == 32 - bfc2.getARM64BFlsb() && bfc2.getARM64BFlsb() == bfc.getARM64BFlsb() - 8 && clobber(x) + // result: (MOVHstoreidx ptr1 idx1 w0 mem) + for { + if auxIntToInt32(v.AuxInt) != 1 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + _ = v_0.Args[1] + v_0_0 := v_0.Args[0] + v_0_1 := v_0.Args[1] + for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 { + ptr0 := v_0_0 + idx0 := v_0_1 + if v_1.Op != OpARM64UBFX { + continue + } + bfc := auxIntToArm64BitField(v_1.AuxInt) + w := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVBstoreidx { + continue + } + mem := x.Args[3] + ptr1 := x.Args[0] + idx1 := x.Args[1] + w0 := x.Args[2] + if w0.Op != OpARM64UBFX { + continue + } + bfc2 := auxIntToArm64BitField(w0.AuxInt) + if w != w0.Args[0] || !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && bfc.getARM64BFwidth() == 32-bfc.getARM64BFlsb() && bfc2.getARM64BFwidth() == 32-bfc2.getARM64BFlsb() && bfc2.getARM64BFlsb() == bfc.getARM64BFlsb()-8 && clobber(x)) { + continue + } + v.reset(OpARM64MOVHstoreidx) + v.AddArg4(ptr1, idx1, w0, mem) + return true + } + break + } + // match: (MOVBstore [i] {s} ptr0 (SRLconst [j] (MOVDreg w)) x:(MOVBstore [i-1] {s} ptr1 w0:(SRLconst [j-8] (MOVDreg w)) mem)) + // cond: x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x) + // result: (MOVHstore [i-1] {s} ptr0 w0 mem) + for { + i := auxIntToInt32(v.AuxInt) + s := auxToSym(v.Aux) + ptr0 := v_0 + if v_1.Op != OpARM64SRLconst { + break + } + j := auxIntToInt64(v_1.AuxInt) + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpARM64MOVDreg { + break + } + w := v_1_0.Args[0] + x := v_2 + if x.Op != OpARM64MOVBstore || auxIntToInt32(x.AuxInt) != i-1 || auxToSym(x.Aux) != s { + break + } + mem := x.Args[2] + ptr1 := x.Args[0] + w0 := x.Args[1] + if w0.Op != OpARM64SRLconst || auxIntToInt64(w0.AuxInt) != j-8 { + break + } + w0_0 := w0.Args[0] + if w0_0.Op != OpARM64MOVDreg || w != w0_0.Args[0] || !(x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x)) { + break + } + v.reset(OpARM64MOVHstore) + v.AuxInt = int32ToAuxInt(i - 1) + v.Aux = symToAux(s) + v.AddArg3(ptr0, w0, mem) + return true + } + // match: (MOVBstore [1] {s} (ADD ptr0 idx0) (SRLconst [j] (MOVDreg w)) x:(MOVBstoreidx ptr1 idx1 w0:(SRLconst [j-8] (MOVDreg w)) mem)) + // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) + // result: (MOVHstoreidx ptr1 idx1 w0 mem) + for { + if auxIntToInt32(v.AuxInt) != 1 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + _ = v_0.Args[1] + v_0_0 := v_0.Args[0] + v_0_1 := v_0.Args[1] + for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 { + ptr0 := v_0_0 + idx0 := v_0_1 + if v_1.Op != OpARM64SRLconst { + continue + } + j := auxIntToInt64(v_1.AuxInt) + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpARM64MOVDreg { + continue + } + w := v_1_0.Args[0] + x := v_2 + if x.Op != OpARM64MOVBstoreidx { + continue + } + mem := x.Args[3] + ptr1 := x.Args[0] + idx1 := x.Args[1] + w0 := x.Args[2] + if w0.Op != OpARM64SRLconst || auxIntToInt64(w0.AuxInt) != j-8 { + continue + } + w0_0 := w0.Args[0] + if w0_0.Op != OpARM64MOVDreg || w != w0_0.Args[0] || !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { + continue + } + v.reset(OpARM64MOVHstoreidx) + v.AddArg4(ptr1, idx1, w0, mem) + return true + } + break + } + // match: (MOVBstore [i] {s} ptr w x0:(MOVBstore [i-1] {s} ptr (SRLconst [8] w) x1:(MOVBstore [i-2] {s} ptr (SRLconst [16] w) x2:(MOVBstore [i-3] {s} ptr (SRLconst [24] w) x3:(MOVBstore [i-4] {s} ptr (SRLconst [32] w) x4:(MOVBstore [i-5] {s} ptr (SRLconst [40] w) x5:(MOVBstore [i-6] {s} ptr (SRLconst [48] w) x6:(MOVBstore [i-7] {s} ptr (SRLconst [56] w) mem)))))))) + // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && clobber(x0, x1, x2, x3, x4, x5, x6) + // result: (MOVDstore [i-7] {s} ptr (REV <w.Type> w) mem) + for { + i := auxIntToInt32(v.AuxInt) + s := auxToSym(v.Aux) + ptr := v_0 + w := v_1 + x0 := v_2 + if x0.Op != OpARM64MOVBstore || auxIntToInt32(x0.AuxInt) != i-1 || auxToSym(x0.Aux) != s { + break + } + _ = x0.Args[2] + if ptr != x0.Args[0] { + break + } + x0_1 := x0.Args[1] + if x0_1.Op != OpARM64SRLconst || auxIntToInt64(x0_1.AuxInt) != 8 || w != x0_1.Args[0] { + break + } + x1 := x0.Args[2] + if x1.Op != OpARM64MOVBstore || auxIntToInt32(x1.AuxInt) != i-2 || auxToSym(x1.Aux) != s { + break + } + _ = x1.Args[2] + if ptr != x1.Args[0] { + break + } + x1_1 := x1.Args[1] + if x1_1.Op != OpARM64SRLconst || auxIntToInt64(x1_1.AuxInt) != 16 || w != x1_1.Args[0] { + break + } + x2 := x1.Args[2] + if x2.Op != OpARM64MOVBstore || auxIntToInt32(x2.AuxInt) != i-3 || auxToSym(x2.Aux) != s { + break + } + _ = x2.Args[2] + if ptr != x2.Args[0] { + break + } + x2_1 := x2.Args[1] + if x2_1.Op != OpARM64SRLconst || auxIntToInt64(x2_1.AuxInt) != 24 || w != x2_1.Args[0] { + break + } + x3 := x2.Args[2] + if x3.Op != OpARM64MOVBstore || auxIntToInt32(x3.AuxInt) != i-4 || auxToSym(x3.Aux) != s { + break + } + _ = x3.Args[2] + if ptr != x3.Args[0] { + break + } + x3_1 := x3.Args[1] + if x3_1.Op != OpARM64SRLconst || auxIntToInt64(x3_1.AuxInt) != 32 || w != x3_1.Args[0] { + break + } + x4 := x3.Args[2] + if x4.Op != OpARM64MOVBstore || auxIntToInt32(x4.AuxInt) != i-5 || auxToSym(x4.Aux) != s { + break + } + _ = x4.Args[2] + if ptr != x4.Args[0] { + break + } + x4_1 := x4.Args[1] + if x4_1.Op != OpARM64SRLconst || auxIntToInt64(x4_1.AuxInt) != 40 || w != x4_1.Args[0] { + break + } + x5 := x4.Args[2] + if x5.Op != OpARM64MOVBstore || auxIntToInt32(x5.AuxInt) != i-6 || auxToSym(x5.Aux) != s { + break + } + _ = x5.Args[2] + if ptr != x5.Args[0] { + break + } + x5_1 := x5.Args[1] + if x5_1.Op != OpARM64SRLconst || auxIntToInt64(x5_1.AuxInt) != 48 || w != x5_1.Args[0] { + break + } + x6 := x5.Args[2] + if x6.Op != OpARM64MOVBstore || auxIntToInt32(x6.AuxInt) != i-7 || auxToSym(x6.Aux) != s { + break + } + mem := x6.Args[2] + if ptr != x6.Args[0] { + break + } + x6_1 := x6.Args[1] + if x6_1.Op != OpARM64SRLconst || auxIntToInt64(x6_1.AuxInt) != 56 || w != x6_1.Args[0] || !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && clobber(x0, x1, x2, x3, x4, x5, x6)) { + break + } + v.reset(OpARM64MOVDstore) + v.AuxInt = int32ToAuxInt(i - 7) + v.Aux = symToAux(s) + v0 := b.NewValue0(x6.Pos, OpARM64REV, w.Type) + v0.AddArg(w) + v.AddArg3(ptr, v0, mem) + return true + } + // match: (MOVBstore [7] {s} p w x0:(MOVBstore [6] {s} p (SRLconst [8] w) x1:(MOVBstore [5] {s} p (SRLconst [16] w) x2:(MOVBstore [4] {s} p (SRLconst [24] w) x3:(MOVBstore [3] {s} p (SRLconst [32] w) x4:(MOVBstore [2] {s} p (SRLconst [40] w) x5:(MOVBstore [1] {s} p1:(ADD ptr1 idx1) (SRLconst [48] w) x6:(MOVBstoreidx ptr0 idx0 (SRLconst [56] w) mem)))))))) + // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0, x1, x2, x3, x4, x5, x6) + // result: (MOVDstoreidx ptr0 idx0 (REV <w.Type> w) mem) + for { + if auxIntToInt32(v.AuxInt) != 7 { + break + } + s := auxToSym(v.Aux) + p := v_0 + w := v_1 + x0 := v_2 + if x0.Op != OpARM64MOVBstore || auxIntToInt32(x0.AuxInt) != 6 || auxToSym(x0.Aux) != s { + break + } + _ = x0.Args[2] + if p != x0.Args[0] { + break + } + x0_1 := x0.Args[1] + if x0_1.Op != OpARM64SRLconst || auxIntToInt64(x0_1.AuxInt) != 8 || w != x0_1.Args[0] { + break + } + x1 := x0.Args[2] + if x1.Op != OpARM64MOVBstore || auxIntToInt32(x1.AuxInt) != 5 || auxToSym(x1.Aux) != s { + break + } + _ = x1.Args[2] + if p != x1.Args[0] { + break + } + x1_1 := x1.Args[1] + if x1_1.Op != OpARM64SRLconst || auxIntToInt64(x1_1.AuxInt) != 16 || w != x1_1.Args[0] { + break + } + x2 := x1.Args[2] + if x2.Op != OpARM64MOVBstore || auxIntToInt32(x2.AuxInt) != 4 || auxToSym(x2.Aux) != s { + break + } + _ = x2.Args[2] + if p != x2.Args[0] { + break + } + x2_1 := x2.Args[1] + if x2_1.Op != OpARM64SRLconst || auxIntToInt64(x2_1.AuxInt) != 24 || w != x2_1.Args[0] { + break + } + x3 := x2.Args[2] + if x3.Op != OpARM64MOVBstore || auxIntToInt32(x3.AuxInt) != 3 || auxToSym(x3.Aux) != s { + break + } + _ = x3.Args[2] + if p != x3.Args[0] { + break + } + x3_1 := x3.Args[1] + if x3_1.Op != OpARM64SRLconst || auxIntToInt64(x3_1.AuxInt) != 32 || w != x3_1.Args[0] { + break + } + x4 := x3.Args[2] + if x4.Op != OpARM64MOVBstore || auxIntToInt32(x4.AuxInt) != 2 || auxToSym(x4.Aux) != s { + break + } + _ = x4.Args[2] + if p != x4.Args[0] { + break + } + x4_1 := x4.Args[1] + if x4_1.Op != OpARM64SRLconst || auxIntToInt64(x4_1.AuxInt) != 40 || w != x4_1.Args[0] { + break + } + x5 := x4.Args[2] + if x5.Op != OpARM64MOVBstore || auxIntToInt32(x5.AuxInt) != 1 || auxToSym(x5.Aux) != s { + break + } + _ = x5.Args[2] + p1 := x5.Args[0] + if p1.Op != OpARM64ADD { + break + } + _ = p1.Args[1] + p1_0 := p1.Args[0] + p1_1 := p1.Args[1] + for _i0 := 0; _i0 <= 1; _i0, p1_0, p1_1 = _i0+1, p1_1, p1_0 { + ptr1 := p1_0 + idx1 := p1_1 + x5_1 := x5.Args[1] + if x5_1.Op != OpARM64SRLconst || auxIntToInt64(x5_1.AuxInt) != 48 || w != x5_1.Args[0] { + continue + } + x6 := x5.Args[2] + if x6.Op != OpARM64MOVBstoreidx { + continue + } + mem := x6.Args[3] + ptr0 := x6.Args[0] + idx0 := x6.Args[1] + x6_2 := x6.Args[2] + if x6_2.Op != OpARM64SRLconst || auxIntToInt64(x6_2.AuxInt) != 56 || w != x6_2.Args[0] || !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0, x1, x2, x3, x4, x5, x6)) { + continue + } + v.reset(OpARM64MOVDstoreidx) + v0 := b.NewValue0(x5.Pos, OpARM64REV, w.Type) + v0.AddArg(w) + v.AddArg4(ptr0, idx0, v0, mem) + return true + } + break + } + // match: (MOVBstore [i] {s} ptr w x0:(MOVBstore [i-1] {s} ptr (UBFX [armBFAuxInt(8, 24)] w) x1:(MOVBstore [i-2] {s} ptr (UBFX [armBFAuxInt(16, 16)] w) x2:(MOVBstore [i-3] {s} ptr (UBFX [armBFAuxInt(24, 8)] w) mem)))) + // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && clobber(x0, x1, x2) + // result: (MOVWstore [i-3] {s} ptr (REVW <w.Type> w) mem) + for { + i := auxIntToInt32(v.AuxInt) + s := auxToSym(v.Aux) + ptr := v_0 + w := v_1 + x0 := v_2 + if x0.Op != OpARM64MOVBstore || auxIntToInt32(x0.AuxInt) != i-1 || auxToSym(x0.Aux) != s { + break + } + _ = x0.Args[2] + if ptr != x0.Args[0] { + break + } + x0_1 := x0.Args[1] + if x0_1.Op != OpARM64UBFX || auxIntToArm64BitField(x0_1.AuxInt) != armBFAuxInt(8, 24) || w != x0_1.Args[0] { + break + } + x1 := x0.Args[2] + if x1.Op != OpARM64MOVBstore || auxIntToInt32(x1.AuxInt) != i-2 || auxToSym(x1.Aux) != s { + break + } + _ = x1.Args[2] + if ptr != x1.Args[0] { + break + } + x1_1 := x1.Args[1] + if x1_1.Op != OpARM64UBFX || auxIntToArm64BitField(x1_1.AuxInt) != armBFAuxInt(16, 16) || w != x1_1.Args[0] { + break + } + x2 := x1.Args[2] + if x2.Op != OpARM64MOVBstore || auxIntToInt32(x2.AuxInt) != i-3 || auxToSym(x2.Aux) != s { + break + } + mem := x2.Args[2] + if ptr != x2.Args[0] { + break + } + x2_1 := x2.Args[1] + if x2_1.Op != OpARM64UBFX || auxIntToArm64BitField(x2_1.AuxInt) != armBFAuxInt(24, 8) || w != x2_1.Args[0] || !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && clobber(x0, x1, x2)) { + break + } + v.reset(OpARM64MOVWstore) + v.AuxInt = int32ToAuxInt(i - 3) + v.Aux = symToAux(s) + v0 := b.NewValue0(x2.Pos, OpARM64REVW, w.Type) + v0.AddArg(w) + v.AddArg3(ptr, v0, mem) + return true + } + // match: (MOVBstore [3] {s} p w x0:(MOVBstore [2] {s} p (UBFX [armBFAuxInt(8, 24)] w) x1:(MOVBstore [1] {s} p1:(ADD ptr1 idx1) (UBFX [armBFAuxInt(16, 16)] w) x2:(MOVBstoreidx ptr0 idx0 (UBFX [armBFAuxInt(24, 8)] w) mem)))) + // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0, x1, x2) + // result: (MOVWstoreidx ptr0 idx0 (REVW <w.Type> w) mem) + for { + if auxIntToInt32(v.AuxInt) != 3 { + break + } + s := auxToSym(v.Aux) + p := v_0 + w := v_1 + x0 := v_2 + if x0.Op != OpARM64MOVBstore || auxIntToInt32(x0.AuxInt) != 2 || auxToSym(x0.Aux) != s { + break + } + _ = x0.Args[2] + if p != x0.Args[0] { + break + } + x0_1 := x0.Args[1] + if x0_1.Op != OpARM64UBFX || auxIntToArm64BitField(x0_1.AuxInt) != armBFAuxInt(8, 24) || w != x0_1.Args[0] { + break + } + x1 := x0.Args[2] + if x1.Op != OpARM64MOVBstore || auxIntToInt32(x1.AuxInt) != 1 || auxToSym(x1.Aux) != s { + break + } + _ = x1.Args[2] + p1 := x1.Args[0] + if p1.Op != OpARM64ADD { + break + } + _ = p1.Args[1] + p1_0 := p1.Args[0] + p1_1 := p1.Args[1] + for _i0 := 0; _i0 <= 1; _i0, p1_0, p1_1 = _i0+1, p1_1, p1_0 { + ptr1 := p1_0 + idx1 := p1_1 + x1_1 := x1.Args[1] + if x1_1.Op != OpARM64UBFX || auxIntToArm64BitField(x1_1.AuxInt) != armBFAuxInt(16, 16) || w != x1_1.Args[0] { + continue + } + x2 := x1.Args[2] + if x2.Op != OpARM64MOVBstoreidx { + continue + } + mem := x2.Args[3] + ptr0 := x2.Args[0] + idx0 := x2.Args[1] + x2_2 := x2.Args[2] + if x2_2.Op != OpARM64UBFX || auxIntToArm64BitField(x2_2.AuxInt) != armBFAuxInt(24, 8) || w != x2_2.Args[0] || !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0, x1, x2)) { + continue + } + v.reset(OpARM64MOVWstoreidx) + v0 := b.NewValue0(x1.Pos, OpARM64REVW, w.Type) + v0.AddArg(w) + v.AddArg4(ptr0, idx0, v0, mem) + return true + } + break + } + // match: (MOVBstore [i] {s} ptr w x0:(MOVBstore [i-1] {s} ptr (SRLconst [8] (MOVDreg w)) x1:(MOVBstore [i-2] {s} ptr (SRLconst [16] (MOVDreg w)) x2:(MOVBstore [i-3] {s} ptr (SRLconst [24] (MOVDreg w)) mem)))) + // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && clobber(x0, x1, x2) + // result: (MOVWstore [i-3] {s} ptr (REVW <w.Type> w) mem) + for { + i := auxIntToInt32(v.AuxInt) + s := auxToSym(v.Aux) + ptr := v_0 + w := v_1 + x0 := v_2 + if x0.Op != OpARM64MOVBstore || auxIntToInt32(x0.AuxInt) != i-1 || auxToSym(x0.Aux) != s { + break + } + _ = x0.Args[2] + if ptr != x0.Args[0] { + break + } + x0_1 := x0.Args[1] + if x0_1.Op != OpARM64SRLconst || auxIntToInt64(x0_1.AuxInt) != 8 { + break + } + x0_1_0 := x0_1.Args[0] + if x0_1_0.Op != OpARM64MOVDreg || w != x0_1_0.Args[0] { + break + } + x1 := x0.Args[2] + if x1.Op != OpARM64MOVBstore || auxIntToInt32(x1.AuxInt) != i-2 || auxToSym(x1.Aux) != s { + break + } + _ = x1.Args[2] + if ptr != x1.Args[0] { + break + } + x1_1 := x1.Args[1] + if x1_1.Op != OpARM64SRLconst || auxIntToInt64(x1_1.AuxInt) != 16 { + break + } + x1_1_0 := x1_1.Args[0] + if x1_1_0.Op != OpARM64MOVDreg || w != x1_1_0.Args[0] { + break + } + x2 := x1.Args[2] + if x2.Op != OpARM64MOVBstore || auxIntToInt32(x2.AuxInt) != i-3 || auxToSym(x2.Aux) != s { + break + } + mem := x2.Args[2] + if ptr != x2.Args[0] { + break + } + x2_1 := x2.Args[1] + if x2_1.Op != OpARM64SRLconst || auxIntToInt64(x2_1.AuxInt) != 24 { + break + } + x2_1_0 := x2_1.Args[0] + if x2_1_0.Op != OpARM64MOVDreg || w != x2_1_0.Args[0] || !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && clobber(x0, x1, x2)) { + break + } + v.reset(OpARM64MOVWstore) + v.AuxInt = int32ToAuxInt(i - 3) + v.Aux = symToAux(s) + v0 := b.NewValue0(x2.Pos, OpARM64REVW, w.Type) + v0.AddArg(w) + v.AddArg3(ptr, v0, mem) + return true + } + // match: (MOVBstore [3] {s} p w x0:(MOVBstore [2] {s} p (SRLconst [8] (MOVDreg w)) x1:(MOVBstore [1] {s} p1:(ADD ptr1 idx1) (SRLconst [16] (MOVDreg w)) x2:(MOVBstoreidx ptr0 idx0 (SRLconst [24] (MOVDreg w)) mem)))) + // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0, x1, x2) + // result: (MOVWstoreidx ptr0 idx0 (REVW <w.Type> w) mem) + for { + if auxIntToInt32(v.AuxInt) != 3 { + break + } + s := auxToSym(v.Aux) + p := v_0 + w := v_1 + x0 := v_2 + if x0.Op != OpARM64MOVBstore || auxIntToInt32(x0.AuxInt) != 2 || auxToSym(x0.Aux) != s { + break + } + _ = x0.Args[2] + if p != x0.Args[0] { + break + } + x0_1 := x0.Args[1] + if x0_1.Op != OpARM64SRLconst || auxIntToInt64(x0_1.AuxInt) != 8 { + break + } + x0_1_0 := x0_1.Args[0] + if x0_1_0.Op != OpARM64MOVDreg || w != x0_1_0.Args[0] { + break + } + x1 := x0.Args[2] + if x1.Op != OpARM64MOVBstore || auxIntToInt32(x1.AuxInt) != 1 || auxToSym(x1.Aux) != s { + break + } + _ = x1.Args[2] + p1 := x1.Args[0] + if p1.Op != OpARM64ADD { + break + } + _ = p1.Args[1] + p1_0 := p1.Args[0] + p1_1 := p1.Args[1] + for _i0 := 0; _i0 <= 1; _i0, p1_0, p1_1 = _i0+1, p1_1, p1_0 { + ptr1 := p1_0 + idx1 := p1_1 + x1_1 := x1.Args[1] + if x1_1.Op != OpARM64SRLconst || auxIntToInt64(x1_1.AuxInt) != 16 { + continue + } + x1_1_0 := x1_1.Args[0] + if x1_1_0.Op != OpARM64MOVDreg || w != x1_1_0.Args[0] { + continue + } + x2 := x1.Args[2] + if x2.Op != OpARM64MOVBstoreidx { + continue + } + mem := x2.Args[3] + ptr0 := x2.Args[0] + idx0 := x2.Args[1] + x2_2 := x2.Args[2] + if x2_2.Op != OpARM64SRLconst || auxIntToInt64(x2_2.AuxInt) != 24 { + continue + } + x2_2_0 := x2_2.Args[0] + if x2_2_0.Op != OpARM64MOVDreg || w != x2_2_0.Args[0] || !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0, x1, x2)) { + continue + } + v.reset(OpARM64MOVWstoreidx) + v0 := b.NewValue0(x1.Pos, OpARM64REVW, w.Type) + v0.AddArg(w) + v.AddArg4(ptr0, idx0, v0, mem) + return true + } + break + } + // match: (MOVBstore [i] {s} ptr w x0:(MOVBstore [i-1] {s} ptr (SRLconst [8] w) x1:(MOVBstore [i-2] {s} ptr (SRLconst [16] w) x2:(MOVBstore [i-3] {s} ptr (SRLconst [24] w) mem)))) + // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && clobber(x0, x1, x2) + // result: (MOVWstore [i-3] {s} ptr (REVW <w.Type> w) mem) + for { + i := auxIntToInt32(v.AuxInt) + s := auxToSym(v.Aux) + ptr := v_0 + w := v_1 + x0 := v_2 + if x0.Op != OpARM64MOVBstore || auxIntToInt32(x0.AuxInt) != i-1 || auxToSym(x0.Aux) != s { + break + } + _ = x0.Args[2] + if ptr != x0.Args[0] { + break + } + x0_1 := x0.Args[1] + if x0_1.Op != OpARM64SRLconst || auxIntToInt64(x0_1.AuxInt) != 8 || w != x0_1.Args[0] { + break + } + x1 := x0.Args[2] + if x1.Op != OpARM64MOVBstore || auxIntToInt32(x1.AuxInt) != i-2 || auxToSym(x1.Aux) != s { + break + } + _ = x1.Args[2] + if ptr != x1.Args[0] { + break + } + x1_1 := x1.Args[1] + if x1_1.Op != OpARM64SRLconst || auxIntToInt64(x1_1.AuxInt) != 16 || w != x1_1.Args[0] { + break + } + x2 := x1.Args[2] + if x2.Op != OpARM64MOVBstore || auxIntToInt32(x2.AuxInt) != i-3 || auxToSym(x2.Aux) != s { + break + } + mem := x2.Args[2] + if ptr != x2.Args[0] { + break + } + x2_1 := x2.Args[1] + if x2_1.Op != OpARM64SRLconst || auxIntToInt64(x2_1.AuxInt) != 24 || w != x2_1.Args[0] || !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && clobber(x0, x1, x2)) { + break + } + v.reset(OpARM64MOVWstore) + v.AuxInt = int32ToAuxInt(i - 3) + v.Aux = symToAux(s) + v0 := b.NewValue0(x2.Pos, OpARM64REVW, w.Type) + v0.AddArg(w) + v.AddArg3(ptr, v0, mem) + return true + } + // match: (MOVBstore [3] {s} p w x0:(MOVBstore [2] {s} p (SRLconst [8] w) x1:(MOVBstore [1] {s} p1:(ADD ptr1 idx1) (SRLconst [16] w) x2:(MOVBstoreidx ptr0 idx0 (SRLconst [24] w) mem)))) + // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0, x1, x2) + // result: (MOVWstoreidx ptr0 idx0 (REVW <w.Type> w) mem) + for { + if auxIntToInt32(v.AuxInt) != 3 { + break + } + s := auxToSym(v.Aux) + p := v_0 + w := v_1 + x0 := v_2 + if x0.Op != OpARM64MOVBstore || auxIntToInt32(x0.AuxInt) != 2 || auxToSym(x0.Aux) != s { + break + } + _ = x0.Args[2] + if p != x0.Args[0] { + break + } + x0_1 := x0.Args[1] + if x0_1.Op != OpARM64SRLconst || auxIntToInt64(x0_1.AuxInt) != 8 || w != x0_1.Args[0] { + break + } + x1 := x0.Args[2] + if x1.Op != OpARM64MOVBstore || auxIntToInt32(x1.AuxInt) != 1 || auxToSym(x1.Aux) != s { + break + } + _ = x1.Args[2] + p1 := x1.Args[0] + if p1.Op != OpARM64ADD { + break + } + _ = p1.Args[1] + p1_0 := p1.Args[0] + p1_1 := p1.Args[1] + for _i0 := 0; _i0 <= 1; _i0, p1_0, p1_1 = _i0+1, p1_1, p1_0 { + ptr1 := p1_0 + idx1 := p1_1 + x1_1 := x1.Args[1] + if x1_1.Op != OpARM64SRLconst || auxIntToInt64(x1_1.AuxInt) != 16 || w != x1_1.Args[0] { + continue + } + x2 := x1.Args[2] + if x2.Op != OpARM64MOVBstoreidx { + continue + } + mem := x2.Args[3] + ptr0 := x2.Args[0] + idx0 := x2.Args[1] + x2_2 := x2.Args[2] + if x2_2.Op != OpARM64SRLconst || auxIntToInt64(x2_2.AuxInt) != 24 || w != x2_2.Args[0] || !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0, x1, x2)) { + continue + } + v.reset(OpARM64MOVWstoreidx) + v0 := b.NewValue0(x1.Pos, OpARM64REVW, w.Type) + v0.AddArg(w) + v.AddArg4(ptr0, idx0, v0, mem) + return true + } + break + } + // match: (MOVBstore [i] {s} ptr w x:(MOVBstore [i-1] {s} ptr (SRLconst [8] w) mem)) + // cond: x.Uses == 1 && clobber(x) + // result: (MOVHstore [i-1] {s} ptr (REV16W <w.Type> w) mem) + for { + i := auxIntToInt32(v.AuxInt) + s := auxToSym(v.Aux) + ptr := v_0 + w := v_1 + x := v_2 + if x.Op != OpARM64MOVBstore || auxIntToInt32(x.AuxInt) != i-1 || auxToSym(x.Aux) != s { + break + } + mem := x.Args[2] + if ptr != x.Args[0] { + break + } + x_1 := x.Args[1] + if x_1.Op != OpARM64SRLconst || auxIntToInt64(x_1.AuxInt) != 8 || w != x_1.Args[0] || !(x.Uses == 1 && clobber(x)) { + break + } + v.reset(OpARM64MOVHstore) + v.AuxInt = int32ToAuxInt(i - 1) + v.Aux = symToAux(s) + v0 := b.NewValue0(x.Pos, OpARM64REV16W, w.Type) + v0.AddArg(w) + v.AddArg3(ptr, v0, mem) + return true + } + // match: (MOVBstore [1] {s} (ADD ptr1 idx1) w x:(MOVBstoreidx ptr0 idx0 (SRLconst [8] w) mem)) + // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) + // result: (MOVHstoreidx ptr0 idx0 (REV16W <w.Type> w) mem) + for { + if auxIntToInt32(v.AuxInt) != 1 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + _ = v_0.Args[1] + v_0_0 := v_0.Args[0] + v_0_1 := v_0.Args[1] + for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 { + ptr1 := v_0_0 + idx1 := v_0_1 + w := v_1 + x := v_2 + if x.Op != OpARM64MOVBstoreidx { + continue + } + mem := x.Args[3] + ptr0 := x.Args[0] + idx0 := x.Args[1] + x_2 := x.Args[2] + if x_2.Op != OpARM64SRLconst || auxIntToInt64(x_2.AuxInt) != 8 || w != x_2.Args[0] || !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { + continue + } + v.reset(OpARM64MOVHstoreidx) + v0 := b.NewValue0(v.Pos, OpARM64REV16W, w.Type) + v0.AddArg(w) + v.AddArg4(ptr0, idx0, v0, mem) + return true + } + break + } + // match: (MOVBstore [i] {s} ptr w x:(MOVBstore [i-1] {s} ptr (UBFX [armBFAuxInt(8, 8)] w) mem)) + // cond: x.Uses == 1 && clobber(x) + // result: (MOVHstore [i-1] {s} ptr (REV16W <w.Type> w) mem) + for { + i := auxIntToInt32(v.AuxInt) + s := auxToSym(v.Aux) + ptr := v_0 + w := v_1 + x := v_2 + if x.Op != OpARM64MOVBstore || auxIntToInt32(x.AuxInt) != i-1 || auxToSym(x.Aux) != s { + break + } + mem := x.Args[2] + if ptr != x.Args[0] { + break + } + x_1 := x.Args[1] + if x_1.Op != OpARM64UBFX || auxIntToArm64BitField(x_1.AuxInt) != armBFAuxInt(8, 8) || w != x_1.Args[0] || !(x.Uses == 1 && clobber(x)) { + break + } + v.reset(OpARM64MOVHstore) + v.AuxInt = int32ToAuxInt(i - 1) + v.Aux = symToAux(s) + v0 := b.NewValue0(x.Pos, OpARM64REV16W, w.Type) + v0.AddArg(w) + v.AddArg3(ptr, v0, mem) + return true + } + // match: (MOVBstore [1] {s} (ADD ptr1 idx1) w x:(MOVBstoreidx ptr0 idx0 (UBFX [armBFAuxInt(8, 8)] w) mem)) + // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) + // result: (MOVHstoreidx ptr0 idx0 (REV16W <w.Type> w) mem) + for { + if auxIntToInt32(v.AuxInt) != 1 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + _ = v_0.Args[1] + v_0_0 := v_0.Args[0] + v_0_1 := v_0.Args[1] + for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 { + ptr1 := v_0_0 + idx1 := v_0_1 + w := v_1 + x := v_2 + if x.Op != OpARM64MOVBstoreidx { + continue + } + mem := x.Args[3] + ptr0 := x.Args[0] + idx0 := x.Args[1] + x_2 := x.Args[2] + if x_2.Op != OpARM64UBFX || auxIntToArm64BitField(x_2.AuxInt) != armBFAuxInt(8, 8) || w != x_2.Args[0] || !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { + continue + } + v.reset(OpARM64MOVHstoreidx) + v0 := b.NewValue0(v.Pos, OpARM64REV16W, w.Type) + v0.AddArg(w) + v.AddArg4(ptr0, idx0, v0, mem) + return true + } + break + } + // match: (MOVBstore [i] {s} ptr w x:(MOVBstore [i-1] {s} ptr (SRLconst [8] (MOVDreg w)) mem)) + // cond: x.Uses == 1 && clobber(x) + // result: (MOVHstore [i-1] {s} ptr (REV16W <w.Type> w) mem) + for { + i := auxIntToInt32(v.AuxInt) + s := auxToSym(v.Aux) + ptr := v_0 + w := v_1 + x := v_2 + if x.Op != OpARM64MOVBstore || auxIntToInt32(x.AuxInt) != i-1 || auxToSym(x.Aux) != s { + break + } + mem := x.Args[2] + if ptr != x.Args[0] { + break + } + x_1 := x.Args[1] + if x_1.Op != OpARM64SRLconst || auxIntToInt64(x_1.AuxInt) != 8 { + break + } + x_1_0 := x_1.Args[0] + if x_1_0.Op != OpARM64MOVDreg || w != x_1_0.Args[0] || !(x.Uses == 1 && clobber(x)) { + break + } + v.reset(OpARM64MOVHstore) + v.AuxInt = int32ToAuxInt(i - 1) + v.Aux = symToAux(s) + v0 := b.NewValue0(x.Pos, OpARM64REV16W, w.Type) + v0.AddArg(w) + v.AddArg3(ptr, v0, mem) + return true + } + // match: (MOVBstore [1] {s} (ADD ptr1 idx1) w x:(MOVBstoreidx ptr0 idx0 (SRLconst [8] (MOVDreg w)) mem)) + // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) + // result: (MOVHstoreidx ptr0 idx0 (REV16W <w.Type> w) mem) + for { + if auxIntToInt32(v.AuxInt) != 1 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + _ = v_0.Args[1] + v_0_0 := v_0.Args[0] + v_0_1 := v_0.Args[1] + for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 { + ptr1 := v_0_0 + idx1 := v_0_1 + w := v_1 + x := v_2 + if x.Op != OpARM64MOVBstoreidx { + continue + } + mem := x.Args[3] + ptr0 := x.Args[0] + idx0 := x.Args[1] + x_2 := x.Args[2] + if x_2.Op != OpARM64SRLconst || auxIntToInt64(x_2.AuxInt) != 8 { + continue + } + x_2_0 := x_2.Args[0] + if x_2_0.Op != OpARM64MOVDreg || w != x_2_0.Args[0] || !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { + continue + } + v.reset(OpARM64MOVHstoreidx) + v0 := b.NewValue0(v.Pos, OpARM64REV16W, w.Type) + v0.AddArg(w) + v.AddArg4(ptr0, idx0, v0, mem) + return true + } + break + } + // match: (MOVBstore [i] {s} ptr w x:(MOVBstore [i-1] {s} ptr (UBFX [armBFAuxInt(8, 24)] w) mem)) + // cond: x.Uses == 1 && clobber(x) + // result: (MOVHstore [i-1] {s} ptr (REV16W <w.Type> w) mem) + for { + i := auxIntToInt32(v.AuxInt) + s := auxToSym(v.Aux) + ptr := v_0 + w := v_1 + x := v_2 + if x.Op != OpARM64MOVBstore || auxIntToInt32(x.AuxInt) != i-1 || auxToSym(x.Aux) != s { + break + } + mem := x.Args[2] + if ptr != x.Args[0] { + break + } + x_1 := x.Args[1] + if x_1.Op != OpARM64UBFX || auxIntToArm64BitField(x_1.AuxInt) != armBFAuxInt(8, 24) || w != x_1.Args[0] || !(x.Uses == 1 && clobber(x)) { + break + } + v.reset(OpARM64MOVHstore) + v.AuxInt = int32ToAuxInt(i - 1) + v.Aux = symToAux(s) + v0 := b.NewValue0(x.Pos, OpARM64REV16W, w.Type) + v0.AddArg(w) + v.AddArg3(ptr, v0, mem) + return true + } + // match: (MOVBstore [1] {s} (ADD ptr1 idx1) w x:(MOVBstoreidx ptr0 idx0 (UBFX [armBFAuxInt(8, 24)] w) mem)) + // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) + // result: (MOVHstoreidx ptr0 idx0 (REV16W <w.Type> w) mem) + for { + if auxIntToInt32(v.AuxInt) != 1 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + _ = v_0.Args[1] + v_0_0 := v_0.Args[0] + v_0_1 := v_0.Args[1] + for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 { + ptr1 := v_0_0 + idx1 := v_0_1 + w := v_1 + x := v_2 + if x.Op != OpARM64MOVBstoreidx { + continue + } + mem := x.Args[3] + ptr0 := x.Args[0] + idx0 := x.Args[1] + x_2 := x.Args[2] + if x_2.Op != OpARM64UBFX || auxIntToArm64BitField(x_2.AuxInt) != armBFAuxInt(8, 24) || w != x_2.Args[0] || !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { + continue + } + v.reset(OpARM64MOVHstoreidx) + v0 := b.NewValue0(v.Pos, OpARM64REV16W, w.Type) + v0.AddArg(w) + v.AddArg4(ptr0, idx0, v0, mem) + return true + } + break + } + return false +} +func rewriteValueARM64_OpARM64MOVBstoreidx(v *Value) bool { + v_3 := v.Args[3] + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (MOVBstoreidx ptr (MOVDconst [c]) val mem) + // cond: is32Bit(c) + // result: (MOVBstore [int32(c)] ptr val mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + val := v_2 + mem := v_3 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVBstore) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg3(ptr, val, mem) + return true + } + // match: (MOVBstoreidx (MOVDconst [c]) idx val mem) + // cond: is32Bit(c) + // result: (MOVBstore [int32(c)] idx val mem) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + idx := v_1 + val := v_2 + mem := v_3 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVBstore) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg3(idx, val, mem) + return true + } + // match: (MOVBstoreidx ptr idx (MOVDconst [0]) mem) + // result: (MOVBstorezeroidx ptr idx mem) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 { + break + } + mem := v_3 + v.reset(OpARM64MOVBstorezeroidx) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVBstoreidx ptr idx (MOVBreg x) mem) + // result: (MOVBstoreidx ptr idx x mem) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVBreg { + break + } + x := v_2.Args[0] + mem := v_3 + v.reset(OpARM64MOVBstoreidx) + v.AddArg4(ptr, idx, x, mem) + return true + } + // match: (MOVBstoreidx ptr idx (MOVBUreg x) mem) + // result: (MOVBstoreidx ptr idx x mem) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVBUreg { + break + } + x := v_2.Args[0] + mem := v_3 + v.reset(OpARM64MOVBstoreidx) + v.AddArg4(ptr, idx, x, mem) + return true + } + // match: (MOVBstoreidx ptr idx (MOVHreg x) mem) + // result: (MOVBstoreidx ptr idx x mem) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVHreg { + break + } + x := v_2.Args[0] + mem := v_3 + v.reset(OpARM64MOVBstoreidx) + v.AddArg4(ptr, idx, x, mem) + return true + } + // match: (MOVBstoreidx ptr idx (MOVHUreg x) mem) + // result: (MOVBstoreidx ptr idx x mem) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVHUreg { + break + } + x := v_2.Args[0] + mem := v_3 + v.reset(OpARM64MOVBstoreidx) + v.AddArg4(ptr, idx, x, mem) + return true + } + // match: (MOVBstoreidx ptr idx (MOVWreg x) mem) + // result: (MOVBstoreidx ptr idx x mem) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVWreg { + break + } + x := v_2.Args[0] + mem := v_3 + v.reset(OpARM64MOVBstoreidx) + v.AddArg4(ptr, idx, x, mem) + return true + } + // match: (MOVBstoreidx ptr idx (MOVWUreg x) mem) + // result: (MOVBstoreidx ptr idx x mem) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVWUreg { + break + } + x := v_2.Args[0] + mem := v_3 + v.reset(OpARM64MOVBstoreidx) + v.AddArg4(ptr, idx, x, mem) + return true + } + // match: (MOVBstoreidx ptr (ADDconst [1] idx) (SRLconst [8] w) x:(MOVBstoreidx ptr idx w mem)) + // cond: x.Uses == 1 && clobber(x) + // result: (MOVHstoreidx ptr idx w mem) + for { + ptr := v_0 + if v_1.Op != OpARM64ADDconst || auxIntToInt64(v_1.AuxInt) != 1 { + break + } + idx := v_1.Args[0] + if v_2.Op != OpARM64SRLconst || auxIntToInt64(v_2.AuxInt) != 8 { + break + } + w := v_2.Args[0] + x := v_3 + if x.Op != OpARM64MOVBstoreidx { + break + } + mem := x.Args[3] + if ptr != x.Args[0] || idx != x.Args[1] || w != x.Args[2] || !(x.Uses == 1 && clobber(x)) { + break + } + v.reset(OpARM64MOVHstoreidx) + v.AddArg4(ptr, idx, w, mem) + return true + } + // match: (MOVBstoreidx ptr (ADDconst [3] idx) w x0:(MOVBstoreidx ptr (ADDconst [2] idx) (UBFX [armBFAuxInt(8, 24)] w) x1:(MOVBstoreidx ptr (ADDconst [1] idx) (UBFX [armBFAuxInt(16, 16)] w) x2:(MOVBstoreidx ptr idx (UBFX [armBFAuxInt(24, 8)] w) mem)))) + // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && clobber(x0, x1, x2) + // result: (MOVWstoreidx ptr idx (REVW <w.Type> w) mem) + for { + ptr := v_0 + if v_1.Op != OpARM64ADDconst || auxIntToInt64(v_1.AuxInt) != 3 { + break + } + idx := v_1.Args[0] + w := v_2 + x0 := v_3 + if x0.Op != OpARM64MOVBstoreidx { + break + } + _ = x0.Args[3] + if ptr != x0.Args[0] { + break + } + x0_1 := x0.Args[1] + if x0_1.Op != OpARM64ADDconst || auxIntToInt64(x0_1.AuxInt) != 2 || idx != x0_1.Args[0] { + break + } + x0_2 := x0.Args[2] + if x0_2.Op != OpARM64UBFX || auxIntToArm64BitField(x0_2.AuxInt) != armBFAuxInt(8, 24) || w != x0_2.Args[0] { + break + } + x1 := x0.Args[3] + if x1.Op != OpARM64MOVBstoreidx { + break + } + _ = x1.Args[3] + if ptr != x1.Args[0] { + break + } + x1_1 := x1.Args[1] + if x1_1.Op != OpARM64ADDconst || auxIntToInt64(x1_1.AuxInt) != 1 || idx != x1_1.Args[0] { + break + } + x1_2 := x1.Args[2] + if x1_2.Op != OpARM64UBFX || auxIntToArm64BitField(x1_2.AuxInt) != armBFAuxInt(16, 16) || w != x1_2.Args[0] { + break + } + x2 := x1.Args[3] + if x2.Op != OpARM64MOVBstoreidx { + break + } + mem := x2.Args[3] + if ptr != x2.Args[0] || idx != x2.Args[1] { + break + } + x2_2 := x2.Args[2] + if x2_2.Op != OpARM64UBFX || auxIntToArm64BitField(x2_2.AuxInt) != armBFAuxInt(24, 8) || w != x2_2.Args[0] || !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && clobber(x0, x1, x2)) { + break + } + v.reset(OpARM64MOVWstoreidx) + v0 := b.NewValue0(v.Pos, OpARM64REVW, w.Type) + v0.AddArg(w) + v.AddArg4(ptr, idx, v0, mem) + return true + } + // match: (MOVBstoreidx ptr idx w x0:(MOVBstoreidx ptr (ADDconst [1] idx) (UBFX [armBFAuxInt(8, 24)] w) x1:(MOVBstoreidx ptr (ADDconst [2] idx) (UBFX [armBFAuxInt(16, 16)] w) x2:(MOVBstoreidx ptr (ADDconst [3] idx) (UBFX [armBFAuxInt(24, 8)] w) mem)))) + // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && clobber(x0, x1, x2) + // result: (MOVWstoreidx ptr idx w mem) + for { + ptr := v_0 + idx := v_1 + w := v_2 + x0 := v_3 + if x0.Op != OpARM64MOVBstoreidx { + break + } + _ = x0.Args[3] + if ptr != x0.Args[0] { + break + } + x0_1 := x0.Args[1] + if x0_1.Op != OpARM64ADDconst || auxIntToInt64(x0_1.AuxInt) != 1 || idx != x0_1.Args[0] { + break + } + x0_2 := x0.Args[2] + if x0_2.Op != OpARM64UBFX || auxIntToArm64BitField(x0_2.AuxInt) != armBFAuxInt(8, 24) || w != x0_2.Args[0] { + break + } + x1 := x0.Args[3] + if x1.Op != OpARM64MOVBstoreidx { + break + } + _ = x1.Args[3] + if ptr != x1.Args[0] { + break + } + x1_1 := x1.Args[1] + if x1_1.Op != OpARM64ADDconst || auxIntToInt64(x1_1.AuxInt) != 2 || idx != x1_1.Args[0] { + break + } + x1_2 := x1.Args[2] + if x1_2.Op != OpARM64UBFX || auxIntToArm64BitField(x1_2.AuxInt) != armBFAuxInt(16, 16) || w != x1_2.Args[0] { + break + } + x2 := x1.Args[3] + if x2.Op != OpARM64MOVBstoreidx { + break + } + mem := x2.Args[3] + if ptr != x2.Args[0] { + break + } + x2_1 := x2.Args[1] + if x2_1.Op != OpARM64ADDconst || auxIntToInt64(x2_1.AuxInt) != 3 || idx != x2_1.Args[0] { + break + } + x2_2 := x2.Args[2] + if x2_2.Op != OpARM64UBFX || auxIntToArm64BitField(x2_2.AuxInt) != armBFAuxInt(24, 8) || w != x2_2.Args[0] || !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && clobber(x0, x1, x2)) { + break + } + v.reset(OpARM64MOVWstoreidx) + v.AddArg4(ptr, idx, w, mem) + return true + } + // match: (MOVBstoreidx ptr (ADDconst [1] idx) w x:(MOVBstoreidx ptr idx (UBFX [armBFAuxInt(8, 8)] w) mem)) + // cond: x.Uses == 1 && clobber(x) + // result: (MOVHstoreidx ptr idx (REV16W <w.Type> w) mem) + for { + ptr := v_0 + if v_1.Op != OpARM64ADDconst || auxIntToInt64(v_1.AuxInt) != 1 { + break + } + idx := v_1.Args[0] + w := v_2 + x := v_3 + if x.Op != OpARM64MOVBstoreidx { + break + } + mem := x.Args[3] + if ptr != x.Args[0] || idx != x.Args[1] { + break + } + x_2 := x.Args[2] + if x_2.Op != OpARM64UBFX || auxIntToArm64BitField(x_2.AuxInt) != armBFAuxInt(8, 8) || w != x_2.Args[0] || !(x.Uses == 1 && clobber(x)) { + break + } + v.reset(OpARM64MOVHstoreidx) + v0 := b.NewValue0(v.Pos, OpARM64REV16W, w.Type) + v0.AddArg(w) + v.AddArg4(ptr, idx, v0, mem) + return true + } + // match: (MOVBstoreidx ptr idx w x:(MOVBstoreidx ptr (ADDconst [1] idx) (UBFX [armBFAuxInt(8, 8)] w) mem)) + // cond: x.Uses == 1 && clobber(x) + // result: (MOVHstoreidx ptr idx w mem) + for { + ptr := v_0 + idx := v_1 + w := v_2 + x := v_3 + if x.Op != OpARM64MOVBstoreidx { + break + } + mem := x.Args[3] + if ptr != x.Args[0] { + break + } + x_1 := x.Args[1] + if x_1.Op != OpARM64ADDconst || auxIntToInt64(x_1.AuxInt) != 1 || idx != x_1.Args[0] { + break + } + x_2 := x.Args[2] + if x_2.Op != OpARM64UBFX || auxIntToArm64BitField(x_2.AuxInt) != armBFAuxInt(8, 8) || w != x_2.Args[0] || !(x.Uses == 1 && clobber(x)) { + break + } + v.reset(OpARM64MOVHstoreidx) + v.AddArg4(ptr, idx, w, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVBstorezero(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + config := b.Func.Config + // match: (MOVBstorezero [off1] {sym} (ADDconst [off2] ptr) mem) + // cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVBstorezero [off1+int32(off2)] {sym} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDconst { + break + } + off2 := auxIntToInt64(v_0.AuxInt) + ptr := v_0.Args[0] + mem := v_1 + if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVBstorezero) + v.AuxInt = int32ToAuxInt(off1 + int32(off2)) + v.Aux = symToAux(sym) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVBstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) + // cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVBstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym1 := auxToSym(v.Aux) + if v_0.Op != OpARM64MOVDaddr { + break + } + off2 := auxIntToInt32(v_0.AuxInt) + sym2 := auxToSym(v_0.Aux) + ptr := v_0.Args[0] + mem := v_1 + if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVBstorezero) + v.AuxInt = int32ToAuxInt(off1 + off2) + v.Aux = symToAux(mergeSym(sym1, sym2)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVBstorezero [off] {sym} (ADD ptr idx) mem) + // cond: off == 0 && sym == nil + // result: (MOVBstorezeroidx ptr idx mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + mem := v_1 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64MOVBstorezeroidx) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVBstorezero [i] {s} ptr0 x:(MOVBstorezero [j] {s} ptr1 mem)) + // cond: x.Uses == 1 && areAdjacentOffsets(int64(i),int64(j),1) && isSamePtr(ptr0, ptr1) && clobber(x) + // result: (MOVHstorezero [int32(min(int64(i),int64(j)))] {s} ptr0 mem) + for { + i := auxIntToInt32(v.AuxInt) + s := auxToSym(v.Aux) + ptr0 := v_0 + x := v_1 + if x.Op != OpARM64MOVBstorezero { + break + } + j := auxIntToInt32(x.AuxInt) + if auxToSym(x.Aux) != s { + break + } + mem := x.Args[1] + ptr1 := x.Args[0] + if !(x.Uses == 1 && areAdjacentOffsets(int64(i), int64(j), 1) && isSamePtr(ptr0, ptr1) && clobber(x)) { + break + } + v.reset(OpARM64MOVHstorezero) + v.AuxInt = int32ToAuxInt(int32(min(int64(i), int64(j)))) + v.Aux = symToAux(s) + v.AddArg2(ptr0, mem) + return true + } + // match: (MOVBstorezero [1] {s} (ADD ptr0 idx0) x:(MOVBstorezeroidx ptr1 idx1 mem)) + // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) + // result: (MOVHstorezeroidx ptr1 idx1 mem) + for { + if auxIntToInt32(v.AuxInt) != 1 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + _ = v_0.Args[1] + v_0_0 := v_0.Args[0] + v_0_1 := v_0.Args[1] + for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 { + ptr0 := v_0_0 + idx0 := v_0_1 + x := v_1 + if x.Op != OpARM64MOVBstorezeroidx { + continue + } + mem := x.Args[2] + ptr1 := x.Args[0] + idx1 := x.Args[1] + if !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { + continue + } + v.reset(OpARM64MOVHstorezeroidx) + v.AddArg3(ptr1, idx1, mem) + return true + } + break + } + return false +} +func rewriteValueARM64_OpARM64MOVBstorezeroidx(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MOVBstorezeroidx ptr (MOVDconst [c]) mem) + // cond: is32Bit(c) + // result: (MOVBstorezero [int32(c)] ptr mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + mem := v_2 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVBstorezero) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVBstorezeroidx (MOVDconst [c]) idx mem) + // cond: is32Bit(c) + // result: (MOVBstorezero [int32(c)] idx mem) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + idx := v_1 + mem := v_2 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVBstorezero) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg2(idx, mem) + return true + } + // match: (MOVBstorezeroidx ptr (ADDconst [1] idx) x:(MOVBstorezeroidx ptr idx mem)) + // cond: x.Uses == 1 && clobber(x) + // result: (MOVHstorezeroidx ptr idx mem) + for { + ptr := v_0 + if v_1.Op != OpARM64ADDconst || auxIntToInt64(v_1.AuxInt) != 1 { + break + } + idx := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVBstorezeroidx { + break + } + mem := x.Args[2] + if ptr != x.Args[0] || idx != x.Args[1] || !(x.Uses == 1 && clobber(x)) { + break + } + v.reset(OpARM64MOVHstorezeroidx) + v.AddArg3(ptr, idx, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVDload(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + config := b.Func.Config + // match: (MOVDload [off] {sym} ptr (FMOVDstore [off] {sym} ptr val _)) + // result: (FMOVDfpgp val) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64FMOVDstore || auxIntToInt32(v_1.AuxInt) != off || auxToSym(v_1.Aux) != sym { + break + } + val := v_1.Args[1] + if ptr != v_1.Args[0] { + break + } + v.reset(OpARM64FMOVDfpgp) + v.AddArg(val) + return true + } + // match: (MOVDload [off1] {sym} (ADDconst [off2] ptr) mem) + // cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVDload [off1+int32(off2)] {sym} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDconst { + break + } + off2 := auxIntToInt64(v_0.AuxInt) + ptr := v_0.Args[0] + mem := v_1 + if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVDload) + v.AuxInt = int32ToAuxInt(off1 + int32(off2)) + v.Aux = symToAux(sym) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVDload [off] {sym} (ADD ptr idx) mem) + // cond: off == 0 && sym == nil + // result: (MOVDloadidx ptr idx mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + mem := v_1 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64MOVDloadidx) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVDload [off] {sym} (ADDshiftLL [3] ptr idx) mem) + // cond: off == 0 && sym == nil + // result: (MOVDloadidx8 ptr idx mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + mem := v_1 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64MOVDloadidx8) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVDload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) + // cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVDload [off1+off2] {mergeSym(sym1,sym2)} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym1 := auxToSym(v.Aux) + if v_0.Op != OpARM64MOVDaddr { + break + } + off2 := auxIntToInt32(v_0.AuxInt) + sym2 := auxToSym(v_0.Aux) + ptr := v_0.Args[0] + mem := v_1 + if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVDload) + v.AuxInt = int32ToAuxInt(off1 + off2) + v.Aux = symToAux(mergeSym(sym1, sym2)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVDload [off] {sym} ptr (MOVDstorezero [off2] {sym2} ptr2 _)) + // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) + // result: (MOVDconst [0]) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64MOVDstorezero { + break + } + off2 := auxIntToInt32(v_1.AuxInt) + sym2 := auxToSym(v_1.Aux) + ptr2 := v_1.Args[0] + if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + // match: (MOVDload [off] {sym} (SB) _) + // cond: symIsRO(sym) + // result: (MOVDconst [int64(read64(sym, int64(off), config.ctxt.Arch.ByteOrder))]) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpSB || !(symIsRO(sym)) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(int64(read64(sym, int64(off), config.ctxt.Arch.ByteOrder))) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVDloadidx(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MOVDloadidx ptr (MOVDconst [c]) mem) + // cond: is32Bit(c) + // result: (MOVDload [int32(c)] ptr mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + mem := v_2 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVDload) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVDloadidx (MOVDconst [c]) ptr mem) + // cond: is32Bit(c) + // result: (MOVDload [int32(c)] ptr mem) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + ptr := v_1 + mem := v_2 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVDload) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVDloadidx ptr (SLLconst [3] idx) mem) + // result: (MOVDloadidx8 ptr idx mem) + for { + ptr := v_0 + if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 { + break + } + idx := v_1.Args[0] + mem := v_2 + v.reset(OpARM64MOVDloadidx8) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVDloadidx (SLLconst [3] idx) ptr mem) + // result: (MOVDloadidx8 ptr idx mem) + for { + if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 { + break + } + idx := v_0.Args[0] + ptr := v_1 + mem := v_2 + v.reset(OpARM64MOVDloadidx8) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVDloadidx ptr idx (MOVDstorezeroidx ptr2 idx2 _)) + // cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) + // result: (MOVDconst [0]) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVDstorezeroidx { + break + } + idx2 := v_2.Args[1] + ptr2 := v_2.Args[0] + if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVDloadidx8(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MOVDloadidx8 ptr (MOVDconst [c]) mem) + // cond: is32Bit(c<<3) + // result: (MOVDload [int32(c)<<3] ptr mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + mem := v_2 + if !(is32Bit(c << 3)) { + break + } + v.reset(OpARM64MOVDload) + v.AuxInt = int32ToAuxInt(int32(c) << 3) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVDloadidx8 ptr idx (MOVDstorezeroidx8 ptr2 idx2 _)) + // cond: isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) + // result: (MOVDconst [0]) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVDstorezeroidx8 { + break + } + idx2 := v_2.Args[1] + ptr2 := v_2.Args[0] + if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVDnop(v *Value) bool { + v_0 := v.Args[0] + // match: (MOVDnop (MOVDconst [c])) + // result: (MOVDconst [c]) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(c) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVDreg(v *Value) bool { + v_0 := v.Args[0] + // match: (MOVDreg x) + // cond: x.Uses == 1 + // result: (MOVDnop x) + for { + x := v_0 + if !(x.Uses == 1) { + break + } + v.reset(OpARM64MOVDnop) + v.AddArg(x) + return true + } + // match: (MOVDreg (MOVDconst [c])) + // result: (MOVDconst [c]) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(c) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVDstore(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + config := b.Func.Config + // match: (MOVDstore [off] {sym} ptr (FMOVDfpgp val) mem) + // result: (FMOVDstore [off] {sym} ptr val mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64FMOVDfpgp { + break + } + val := v_1.Args[0] + mem := v_2 + v.reset(OpARM64FMOVDstore) + v.AuxInt = int32ToAuxInt(off) + v.Aux = symToAux(sym) + v.AddArg3(ptr, val, mem) + return true + } + // match: (MOVDstore [off1] {sym} (ADDconst [off2] ptr) val mem) + // cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVDstore [off1+int32(off2)] {sym} ptr val mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDconst { + break + } + off2 := auxIntToInt64(v_0.AuxInt) + ptr := v_0.Args[0] + val := v_1 + mem := v_2 + if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVDstore) + v.AuxInt = int32ToAuxInt(off1 + int32(off2)) + v.Aux = symToAux(sym) + v.AddArg3(ptr, val, mem) + return true + } + // match: (MOVDstore [off] {sym} (ADD ptr idx) val mem) + // cond: off == 0 && sym == nil + // result: (MOVDstoreidx ptr idx val mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + val := v_1 + mem := v_2 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64MOVDstoreidx) + v.AddArg4(ptr, idx, val, mem) + return true + } + // match: (MOVDstore [off] {sym} (ADDshiftLL [3] ptr idx) val mem) + // cond: off == 0 && sym == nil + // result: (MOVDstoreidx8 ptr idx val mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + val := v_1 + mem := v_2 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64MOVDstoreidx8) + v.AddArg4(ptr, idx, val, mem) + return true + } + // match: (MOVDstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem) + // cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVDstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym1 := auxToSym(v.Aux) + if v_0.Op != OpARM64MOVDaddr { + break + } + off2 := auxIntToInt32(v_0.AuxInt) + sym2 := auxToSym(v_0.Aux) + ptr := v_0.Args[0] + val := v_1 + mem := v_2 + if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVDstore) + v.AuxInt = int32ToAuxInt(off1 + off2) + v.Aux = symToAux(mergeSym(sym1, sym2)) + v.AddArg3(ptr, val, mem) + return true + } + // match: (MOVDstore [off] {sym} ptr (MOVDconst [0]) mem) + // result: (MOVDstorezero [off] {sym} ptr mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 { + break + } + mem := v_2 + v.reset(OpARM64MOVDstorezero) + v.AuxInt = int32ToAuxInt(off) + v.Aux = symToAux(sym) + v.AddArg2(ptr, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVDstoreidx(v *Value) bool { + v_3 := v.Args[3] + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MOVDstoreidx ptr (MOVDconst [c]) val mem) + // cond: is32Bit(c) + // result: (MOVDstore [int32(c)] ptr val mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + val := v_2 + mem := v_3 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVDstore) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg3(ptr, val, mem) + return true + } + // match: (MOVDstoreidx (MOVDconst [c]) idx val mem) + // cond: is32Bit(c) + // result: (MOVDstore [int32(c)] idx val mem) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + idx := v_1 + val := v_2 + mem := v_3 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVDstore) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg3(idx, val, mem) + return true + } + // match: (MOVDstoreidx ptr (SLLconst [3] idx) val mem) + // result: (MOVDstoreidx8 ptr idx val mem) + for { + ptr := v_0 + if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 { + break + } + idx := v_1.Args[0] + val := v_2 + mem := v_3 + v.reset(OpARM64MOVDstoreidx8) + v.AddArg4(ptr, idx, val, mem) + return true + } + // match: (MOVDstoreidx (SLLconst [3] idx) ptr val mem) + // result: (MOVDstoreidx8 ptr idx val mem) + for { + if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 { + break + } + idx := v_0.Args[0] + ptr := v_1 + val := v_2 + mem := v_3 + v.reset(OpARM64MOVDstoreidx8) + v.AddArg4(ptr, idx, val, mem) + return true + } + // match: (MOVDstoreidx ptr idx (MOVDconst [0]) mem) + // result: (MOVDstorezeroidx ptr idx mem) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 { + break + } + mem := v_3 + v.reset(OpARM64MOVDstorezeroidx) + v.AddArg3(ptr, idx, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVDstoreidx8(v *Value) bool { + v_3 := v.Args[3] + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MOVDstoreidx8 ptr (MOVDconst [c]) val mem) + // cond: is32Bit(c<<3) + // result: (MOVDstore [int32(c)<<3] ptr val mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + val := v_2 + mem := v_3 + if !(is32Bit(c << 3)) { + break + } + v.reset(OpARM64MOVDstore) + v.AuxInt = int32ToAuxInt(int32(c) << 3) + v.AddArg3(ptr, val, mem) + return true + } + // match: (MOVDstoreidx8 ptr idx (MOVDconst [0]) mem) + // result: (MOVDstorezeroidx8 ptr idx mem) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 { + break + } + mem := v_3 + v.reset(OpARM64MOVDstorezeroidx8) + v.AddArg3(ptr, idx, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVDstorezero(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + config := b.Func.Config + // match: (MOVDstorezero [off1] {sym} (ADDconst [off2] ptr) mem) + // cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVDstorezero [off1+int32(off2)] {sym} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDconst { + break + } + off2 := auxIntToInt64(v_0.AuxInt) + ptr := v_0.Args[0] + mem := v_1 + if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVDstorezero) + v.AuxInt = int32ToAuxInt(off1 + int32(off2)) + v.Aux = symToAux(sym) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVDstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) + // cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVDstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym1 := auxToSym(v.Aux) + if v_0.Op != OpARM64MOVDaddr { + break + } + off2 := auxIntToInt32(v_0.AuxInt) + sym2 := auxToSym(v_0.Aux) + ptr := v_0.Args[0] + mem := v_1 + if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVDstorezero) + v.AuxInt = int32ToAuxInt(off1 + off2) + v.Aux = symToAux(mergeSym(sym1, sym2)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVDstorezero [off] {sym} (ADD ptr idx) mem) + // cond: off == 0 && sym == nil + // result: (MOVDstorezeroidx ptr idx mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + mem := v_1 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64MOVDstorezeroidx) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVDstorezero [off] {sym} (ADDshiftLL [3] ptr idx) mem) + // cond: off == 0 && sym == nil + // result: (MOVDstorezeroidx8 ptr idx mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 3 { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + mem := v_1 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64MOVDstorezeroidx8) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVDstorezero [i] {s} ptr0 x:(MOVDstorezero [j] {s} ptr1 mem)) + // cond: x.Uses == 1 && areAdjacentOffsets(int64(i),int64(j),8) && isSamePtr(ptr0, ptr1) && clobber(x) + // result: (MOVQstorezero [int32(min(int64(i),int64(j)))] {s} ptr0 mem) + for { + i := auxIntToInt32(v.AuxInt) + s := auxToSym(v.Aux) + ptr0 := v_0 + x := v_1 + if x.Op != OpARM64MOVDstorezero { + break + } + j := auxIntToInt32(x.AuxInt) + if auxToSym(x.Aux) != s { + break + } + mem := x.Args[1] + ptr1 := x.Args[0] + if !(x.Uses == 1 && areAdjacentOffsets(int64(i), int64(j), 8) && isSamePtr(ptr0, ptr1) && clobber(x)) { + break + } + v.reset(OpARM64MOVQstorezero) + v.AuxInt = int32ToAuxInt(int32(min(int64(i), int64(j)))) + v.Aux = symToAux(s) + v.AddArg2(ptr0, mem) + return true + } + // match: (MOVDstorezero [8] {s} p0:(ADD ptr0 idx0) x:(MOVDstorezeroidx ptr1 idx1 mem)) + // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) + // result: (MOVQstorezero [0] {s} p0 mem) + for { + if auxIntToInt32(v.AuxInt) != 8 { + break + } + s := auxToSym(v.Aux) + p0 := v_0 + if p0.Op != OpARM64ADD { + break + } + _ = p0.Args[1] + p0_0 := p0.Args[0] + p0_1 := p0.Args[1] + for _i0 := 0; _i0 <= 1; _i0, p0_0, p0_1 = _i0+1, p0_1, p0_0 { + ptr0 := p0_0 + idx0 := p0_1 + x := v_1 + if x.Op != OpARM64MOVDstorezeroidx { + continue + } + mem := x.Args[2] + ptr1 := x.Args[0] + idx1 := x.Args[1] + if !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { + continue + } + v.reset(OpARM64MOVQstorezero) + v.AuxInt = int32ToAuxInt(0) + v.Aux = symToAux(s) + v.AddArg2(p0, mem) + return true + } + break + } + // match: (MOVDstorezero [8] {s} p0:(ADDshiftLL [3] ptr0 idx0) x:(MOVDstorezeroidx8 ptr1 idx1 mem)) + // cond: x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x) + // result: (MOVQstorezero [0] {s} p0 mem) + for { + if auxIntToInt32(v.AuxInt) != 8 { + break + } + s := auxToSym(v.Aux) + p0 := v_0 + if p0.Op != OpARM64ADDshiftLL || auxIntToInt64(p0.AuxInt) != 3 { + break + } + idx0 := p0.Args[1] + ptr0 := p0.Args[0] + x := v_1 + if x.Op != OpARM64MOVDstorezeroidx8 { + break + } + mem := x.Args[2] + ptr1 := x.Args[0] + idx1 := x.Args[1] + if !(x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x)) { + break + } + v.reset(OpARM64MOVQstorezero) + v.AuxInt = int32ToAuxInt(0) + v.Aux = symToAux(s) + v.AddArg2(p0, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVDstorezeroidx(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MOVDstorezeroidx ptr (MOVDconst [c]) mem) + // cond: is32Bit(c) + // result: (MOVDstorezero [int32(c)] ptr mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + mem := v_2 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVDstorezero) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVDstorezeroidx (MOVDconst [c]) idx mem) + // cond: is32Bit(c) + // result: (MOVDstorezero [int32(c)] idx mem) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + idx := v_1 + mem := v_2 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVDstorezero) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg2(idx, mem) + return true + } + // match: (MOVDstorezeroidx ptr (SLLconst [3] idx) mem) + // result: (MOVDstorezeroidx8 ptr idx mem) + for { + ptr := v_0 + if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 3 { + break + } + idx := v_1.Args[0] + mem := v_2 + v.reset(OpARM64MOVDstorezeroidx8) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVDstorezeroidx (SLLconst [3] idx) ptr mem) + // result: (MOVDstorezeroidx8 ptr idx mem) + for { + if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 3 { + break + } + idx := v_0.Args[0] + ptr := v_1 + mem := v_2 + v.reset(OpARM64MOVDstorezeroidx8) + v.AddArg3(ptr, idx, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVDstorezeroidx8(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MOVDstorezeroidx8 ptr (MOVDconst [c]) mem) + // cond: is32Bit(c<<3) + // result: (MOVDstorezero [int32(c<<3)] ptr mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + mem := v_2 + if !(is32Bit(c << 3)) { + break + } + v.reset(OpARM64MOVDstorezero) + v.AuxInt = int32ToAuxInt(int32(c << 3)) + v.AddArg2(ptr, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVHUload(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + config := b.Func.Config + // match: (MOVHUload [off1] {sym} (ADDconst [off2] ptr) mem) + // cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVHUload [off1+int32(off2)] {sym} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDconst { + break + } + off2 := auxIntToInt64(v_0.AuxInt) + ptr := v_0.Args[0] + mem := v_1 + if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVHUload) + v.AuxInt = int32ToAuxInt(off1 + int32(off2)) + v.Aux = symToAux(sym) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVHUload [off] {sym} (ADD ptr idx) mem) + // cond: off == 0 && sym == nil + // result: (MOVHUloadidx ptr idx mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + mem := v_1 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64MOVHUloadidx) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVHUload [off] {sym} (ADDshiftLL [1] ptr idx) mem) + // cond: off == 0 && sym == nil + // result: (MOVHUloadidx2 ptr idx mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + mem := v_1 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64MOVHUloadidx2) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVHUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) + // cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVHUload [off1+off2] {mergeSym(sym1,sym2)} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym1 := auxToSym(v.Aux) + if v_0.Op != OpARM64MOVDaddr { + break + } + off2 := auxIntToInt32(v_0.AuxInt) + sym2 := auxToSym(v_0.Aux) + ptr := v_0.Args[0] + mem := v_1 + if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVHUload) + v.AuxInt = int32ToAuxInt(off1 + off2) + v.Aux = symToAux(mergeSym(sym1, sym2)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVHUload [off] {sym} ptr (MOVHstorezero [off2] {sym2} ptr2 _)) + // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) + // result: (MOVDconst [0]) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64MOVHstorezero { + break + } + off2 := auxIntToInt32(v_1.AuxInt) + sym2 := auxToSym(v_1.Aux) + ptr2 := v_1.Args[0] + if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + // match: (MOVHUload [off] {sym} (SB) _) + // cond: symIsRO(sym) + // result: (MOVDconst [int64(read16(sym, int64(off), config.ctxt.Arch.ByteOrder))]) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpSB || !(symIsRO(sym)) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(int64(read16(sym, int64(off), config.ctxt.Arch.ByteOrder))) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVHUloadidx(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MOVHUloadidx ptr (MOVDconst [c]) mem) + // cond: is32Bit(c) + // result: (MOVHUload [int32(c)] ptr mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + mem := v_2 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVHUload) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVHUloadidx (MOVDconst [c]) ptr mem) + // cond: is32Bit(c) + // result: (MOVHUload [int32(c)] ptr mem) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + ptr := v_1 + mem := v_2 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVHUload) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVHUloadidx ptr (SLLconst [1] idx) mem) + // result: (MOVHUloadidx2 ptr idx mem) + for { + ptr := v_0 + if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 1 { + break + } + idx := v_1.Args[0] + mem := v_2 + v.reset(OpARM64MOVHUloadidx2) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVHUloadidx ptr (ADD idx idx) mem) + // result: (MOVHUloadidx2 ptr idx mem) + for { + ptr := v_0 + if v_1.Op != OpARM64ADD { + break + } + idx := v_1.Args[1] + if idx != v_1.Args[0] { + break + } + mem := v_2 + v.reset(OpARM64MOVHUloadidx2) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVHUloadidx (ADD idx idx) ptr mem) + // result: (MOVHUloadidx2 ptr idx mem) + for { + if v_0.Op != OpARM64ADD { + break + } + idx := v_0.Args[1] + if idx != v_0.Args[0] { + break + } + ptr := v_1 + mem := v_2 + v.reset(OpARM64MOVHUloadidx2) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVHUloadidx ptr idx (MOVHstorezeroidx ptr2 idx2 _)) + // cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) + // result: (MOVDconst [0]) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVHstorezeroidx { + break + } + idx2 := v_2.Args[1] + ptr2 := v_2.Args[0] + if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVHUloadidx2(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MOVHUloadidx2 ptr (MOVDconst [c]) mem) + // cond: is32Bit(c<<1) + // result: (MOVHUload [int32(c)<<1] ptr mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + mem := v_2 + if !(is32Bit(c << 1)) { + break + } + v.reset(OpARM64MOVHUload) + v.AuxInt = int32ToAuxInt(int32(c) << 1) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVHUloadidx2 ptr idx (MOVHstorezeroidx2 ptr2 idx2 _)) + // cond: isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) + // result: (MOVDconst [0]) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVHstorezeroidx2 { + break + } + idx2 := v_2.Args[1] + ptr2 := v_2.Args[0] + if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVHUreg(v *Value) bool { + v_0 := v.Args[0] + // match: (MOVHUreg x:(MOVBUload _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVBUload { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVHUreg x:(MOVHUload _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVHUload { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVHUreg x:(MOVBUloadidx _ _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVBUloadidx { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVHUreg x:(MOVHUloadidx _ _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVHUloadidx { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVHUreg x:(MOVHUloadidx2 _ _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVHUloadidx2 { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVHUreg x:(MOVBUreg _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVBUreg { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVHUreg x:(MOVHUreg _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVHUreg { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVHUreg (ANDconst [c] x)) + // result: (ANDconst [c&(1<<16-1)] x) + for { + if v_0.Op != OpARM64ANDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(c & (1<<16 - 1)) + v.AddArg(x) + return true + } + // match: (MOVHUreg (MOVDconst [c])) + // result: (MOVDconst [int64(uint16(c))]) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(int64(uint16(c))) + return true + } + // match: (MOVHUreg (SLLconst [lc] x)) + // cond: lc >= 16 + // result: (MOVDconst [0]) + for { + if v_0.Op != OpARM64SLLconst { + break + } + lc := auxIntToInt64(v_0.AuxInt) + if !(lc >= 16) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + // match: (MOVHUreg (SLLconst [lc] x)) + // cond: lc < 16 + // result: (UBFIZ [armBFAuxInt(lc, 16-lc)] x) + for { + if v_0.Op != OpARM64SLLconst { + break + } + lc := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(lc < 16) { + break + } + v.reset(OpARM64UBFIZ) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 16-lc)) + v.AddArg(x) + return true + } + // match: (MOVHUreg (SRLconst [rc] x)) + // cond: rc < 16 + // result: (UBFX [armBFAuxInt(rc, 16)] x) + for { + if v_0.Op != OpARM64SRLconst { + break + } + rc := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(rc < 16) { + break + } + v.reset(OpARM64UBFX) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 16)) + v.AddArg(x) + return true + } + // match: (MOVHUreg (UBFX [bfc] x)) + // cond: bfc.getARM64BFwidth() <= 16 + // result: (UBFX [bfc] x) + for { + if v_0.Op != OpARM64UBFX { + break + } + bfc := auxIntToArm64BitField(v_0.AuxInt) + x := v_0.Args[0] + if !(bfc.getARM64BFwidth() <= 16) { + break + } + v.reset(OpARM64UBFX) + v.AuxInt = arm64BitFieldToAuxInt(bfc) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVHload(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + config := b.Func.Config + // match: (MOVHload [off1] {sym} (ADDconst [off2] ptr) mem) + // cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVHload [off1+int32(off2)] {sym} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDconst { + break + } + off2 := auxIntToInt64(v_0.AuxInt) + ptr := v_0.Args[0] + mem := v_1 + if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVHload) + v.AuxInt = int32ToAuxInt(off1 + int32(off2)) + v.Aux = symToAux(sym) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVHload [off] {sym} (ADD ptr idx) mem) + // cond: off == 0 && sym == nil + // result: (MOVHloadidx ptr idx mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + mem := v_1 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64MOVHloadidx) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVHload [off] {sym} (ADDshiftLL [1] ptr idx) mem) + // cond: off == 0 && sym == nil + // result: (MOVHloadidx2 ptr idx mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + mem := v_1 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64MOVHloadidx2) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVHload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) + // cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVHload [off1+off2] {mergeSym(sym1,sym2)} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym1 := auxToSym(v.Aux) + if v_0.Op != OpARM64MOVDaddr { + break + } + off2 := auxIntToInt32(v_0.AuxInt) + sym2 := auxToSym(v_0.Aux) + ptr := v_0.Args[0] + mem := v_1 + if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVHload) + v.AuxInt = int32ToAuxInt(off1 + off2) + v.Aux = symToAux(mergeSym(sym1, sym2)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVHload [off] {sym} ptr (MOVHstorezero [off2] {sym2} ptr2 _)) + // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) + // result: (MOVDconst [0]) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64MOVHstorezero { + break + } + off2 := auxIntToInt32(v_1.AuxInt) + sym2 := auxToSym(v_1.Aux) + ptr2 := v_1.Args[0] + if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVHloadidx(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MOVHloadidx ptr (MOVDconst [c]) mem) + // cond: is32Bit(c) + // result: (MOVHload [int32(c)] ptr mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + mem := v_2 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVHload) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVHloadidx (MOVDconst [c]) ptr mem) + // cond: is32Bit(c) + // result: (MOVHload [int32(c)] ptr mem) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + ptr := v_1 + mem := v_2 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVHload) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVHloadidx ptr (SLLconst [1] idx) mem) + // result: (MOVHloadidx2 ptr idx mem) + for { + ptr := v_0 + if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 1 { + break + } + idx := v_1.Args[0] + mem := v_2 + v.reset(OpARM64MOVHloadidx2) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVHloadidx ptr (ADD idx idx) mem) + // result: (MOVHloadidx2 ptr idx mem) + for { + ptr := v_0 + if v_1.Op != OpARM64ADD { + break + } + idx := v_1.Args[1] + if idx != v_1.Args[0] { + break + } + mem := v_2 + v.reset(OpARM64MOVHloadidx2) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVHloadidx (ADD idx idx) ptr mem) + // result: (MOVHloadidx2 ptr idx mem) + for { + if v_0.Op != OpARM64ADD { + break + } + idx := v_0.Args[1] + if idx != v_0.Args[0] { + break + } + ptr := v_1 + mem := v_2 + v.reset(OpARM64MOVHloadidx2) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVHloadidx ptr idx (MOVHstorezeroidx ptr2 idx2 _)) + // cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) + // result: (MOVDconst [0]) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVHstorezeroidx { + break + } + idx2 := v_2.Args[1] + ptr2 := v_2.Args[0] + if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVHloadidx2(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MOVHloadidx2 ptr (MOVDconst [c]) mem) + // cond: is32Bit(c<<1) + // result: (MOVHload [int32(c)<<1] ptr mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + mem := v_2 + if !(is32Bit(c << 1)) { + break + } + v.reset(OpARM64MOVHload) + v.AuxInt = int32ToAuxInt(int32(c) << 1) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVHloadidx2 ptr idx (MOVHstorezeroidx2 ptr2 idx2 _)) + // cond: isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) + // result: (MOVDconst [0]) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVHstorezeroidx2 { + break + } + idx2 := v_2.Args[1] + ptr2 := v_2.Args[0] + if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVHreg(v *Value) bool { + v_0 := v.Args[0] + // match: (MOVHreg x:(MOVBload _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVBload { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVHreg x:(MOVBUload _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVBUload { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVHreg x:(MOVHload _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVHload { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVHreg x:(MOVBloadidx _ _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVBloadidx { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVHreg x:(MOVBUloadidx _ _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVBUloadidx { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVHreg x:(MOVHloadidx _ _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVHloadidx { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVHreg x:(MOVHloadidx2 _ _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVHloadidx2 { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVHreg x:(MOVBreg _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVBreg { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVHreg x:(MOVBUreg _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVBUreg { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVHreg x:(MOVHreg _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVHreg { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVHreg (MOVDconst [c])) + // result: (MOVDconst [int64(int16(c))]) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(int64(int16(c))) + return true + } + // match: (MOVHreg (SLLconst [lc] x)) + // cond: lc < 16 + // result: (SBFIZ [armBFAuxInt(lc, 16-lc)] x) + for { + if v_0.Op != OpARM64SLLconst { + break + } + lc := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(lc < 16) { + break + } + v.reset(OpARM64SBFIZ) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 16-lc)) + v.AddArg(x) + return true + } + // match: (MOVHreg (SBFX [bfc] x)) + // cond: bfc.getARM64BFwidth() <= 16 + // result: (SBFX [bfc] x) + for { + if v_0.Op != OpARM64SBFX { + break + } + bfc := auxIntToArm64BitField(v_0.AuxInt) + x := v_0.Args[0] + if !(bfc.getARM64BFwidth() <= 16) { + break + } + v.reset(OpARM64SBFX) + v.AuxInt = arm64BitFieldToAuxInt(bfc) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVHstore(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + config := b.Func.Config + // match: (MOVHstore [off1] {sym} (ADDconst [off2] ptr) val mem) + // cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVHstore [off1+int32(off2)] {sym} ptr val mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDconst { + break + } + off2 := auxIntToInt64(v_0.AuxInt) + ptr := v_0.Args[0] + val := v_1 + mem := v_2 + if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVHstore) + v.AuxInt = int32ToAuxInt(off1 + int32(off2)) + v.Aux = symToAux(sym) + v.AddArg3(ptr, val, mem) + return true + } + // match: (MOVHstore [off] {sym} (ADD ptr idx) val mem) + // cond: off == 0 && sym == nil + // result: (MOVHstoreidx ptr idx val mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + val := v_1 + mem := v_2 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64MOVHstoreidx) + v.AddArg4(ptr, idx, val, mem) + return true + } + // match: (MOVHstore [off] {sym} (ADDshiftLL [1] ptr idx) val mem) + // cond: off == 0 && sym == nil + // result: (MOVHstoreidx2 ptr idx val mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + val := v_1 + mem := v_2 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64MOVHstoreidx2) + v.AddArg4(ptr, idx, val, mem) + return true + } + // match: (MOVHstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem) + // cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVHstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym1 := auxToSym(v.Aux) + if v_0.Op != OpARM64MOVDaddr { + break + } + off2 := auxIntToInt32(v_0.AuxInt) + sym2 := auxToSym(v_0.Aux) + ptr := v_0.Args[0] + val := v_1 + mem := v_2 + if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVHstore) + v.AuxInt = int32ToAuxInt(off1 + off2) + v.Aux = symToAux(mergeSym(sym1, sym2)) + v.AddArg3(ptr, val, mem) + return true + } + // match: (MOVHstore [off] {sym} ptr (MOVDconst [0]) mem) + // result: (MOVHstorezero [off] {sym} ptr mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 { + break + } + mem := v_2 + v.reset(OpARM64MOVHstorezero) + v.AuxInt = int32ToAuxInt(off) + v.Aux = symToAux(sym) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVHstore [off] {sym} ptr (MOVHreg x) mem) + // result: (MOVHstore [off] {sym} ptr x mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64MOVHreg { + break + } + x := v_1.Args[0] + mem := v_2 + v.reset(OpARM64MOVHstore) + v.AuxInt = int32ToAuxInt(off) + v.Aux = symToAux(sym) + v.AddArg3(ptr, x, mem) + return true + } + // match: (MOVHstore [off] {sym} ptr (MOVHUreg x) mem) + // result: (MOVHstore [off] {sym} ptr x mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64MOVHUreg { + break + } + x := v_1.Args[0] + mem := v_2 + v.reset(OpARM64MOVHstore) + v.AuxInt = int32ToAuxInt(off) + v.Aux = symToAux(sym) + v.AddArg3(ptr, x, mem) + return true + } + // match: (MOVHstore [off] {sym} ptr (MOVWreg x) mem) + // result: (MOVHstore [off] {sym} ptr x mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64MOVWreg { + break + } + x := v_1.Args[0] + mem := v_2 + v.reset(OpARM64MOVHstore) + v.AuxInt = int32ToAuxInt(off) + v.Aux = symToAux(sym) + v.AddArg3(ptr, x, mem) + return true + } + // match: (MOVHstore [off] {sym} ptr (MOVWUreg x) mem) + // result: (MOVHstore [off] {sym} ptr x mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64MOVWUreg { + break + } + x := v_1.Args[0] + mem := v_2 + v.reset(OpARM64MOVHstore) + v.AuxInt = int32ToAuxInt(off) + v.Aux = symToAux(sym) + v.AddArg3(ptr, x, mem) + return true + } + // match: (MOVHstore [i] {s} ptr0 (SRLconst [16] w) x:(MOVHstore [i-2] {s} ptr1 w mem)) + // cond: x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x) + // result: (MOVWstore [i-2] {s} ptr0 w mem) + for { + i := auxIntToInt32(v.AuxInt) + s := auxToSym(v.Aux) + ptr0 := v_0 + if v_1.Op != OpARM64SRLconst || auxIntToInt64(v_1.AuxInt) != 16 { + break + } + w := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVHstore || auxIntToInt32(x.AuxInt) != i-2 || auxToSym(x.Aux) != s { + break + } + mem := x.Args[2] + ptr1 := x.Args[0] + if w != x.Args[1] || !(x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x)) { + break + } + v.reset(OpARM64MOVWstore) + v.AuxInt = int32ToAuxInt(i - 2) + v.Aux = symToAux(s) + v.AddArg3(ptr0, w, mem) + return true + } + // match: (MOVHstore [2] {s} (ADD ptr0 idx0) (SRLconst [16] w) x:(MOVHstoreidx ptr1 idx1 w mem)) + // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) + // result: (MOVWstoreidx ptr1 idx1 w mem) + for { + if auxIntToInt32(v.AuxInt) != 2 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + _ = v_0.Args[1] + v_0_0 := v_0.Args[0] + v_0_1 := v_0.Args[1] + for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 { + ptr0 := v_0_0 + idx0 := v_0_1 + if v_1.Op != OpARM64SRLconst || auxIntToInt64(v_1.AuxInt) != 16 { + continue + } + w := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVHstoreidx { + continue + } + mem := x.Args[3] + ptr1 := x.Args[0] + idx1 := x.Args[1] + if w != x.Args[2] || !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { + continue + } + v.reset(OpARM64MOVWstoreidx) + v.AddArg4(ptr1, idx1, w, mem) + return true + } + break + } + // match: (MOVHstore [2] {s} (ADDshiftLL [1] ptr0 idx0) (SRLconst [16] w) x:(MOVHstoreidx2 ptr1 idx1 w mem)) + // cond: x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x) + // result: (MOVWstoreidx ptr1 (SLLconst <idx1.Type> [1] idx1) w mem) + for { + if auxIntToInt32(v.AuxInt) != 2 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 { + break + } + idx0 := v_0.Args[1] + ptr0 := v_0.Args[0] + if v_1.Op != OpARM64SRLconst || auxIntToInt64(v_1.AuxInt) != 16 { + break + } + w := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVHstoreidx2 { + break + } + mem := x.Args[3] + ptr1 := x.Args[0] + idx1 := x.Args[1] + if w != x.Args[2] || !(x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x)) { + break + } + v.reset(OpARM64MOVWstoreidx) + v0 := b.NewValue0(v.Pos, OpARM64SLLconst, idx1.Type) + v0.AuxInt = int64ToAuxInt(1) + v0.AddArg(idx1) + v.AddArg4(ptr1, v0, w, mem) + return true + } + // match: (MOVHstore [i] {s} ptr0 (UBFX [armBFAuxInt(16, 16)] w) x:(MOVHstore [i-2] {s} ptr1 w mem)) + // cond: x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x) + // result: (MOVWstore [i-2] {s} ptr0 w mem) + for { + i := auxIntToInt32(v.AuxInt) + s := auxToSym(v.Aux) + ptr0 := v_0 + if v_1.Op != OpARM64UBFX || auxIntToArm64BitField(v_1.AuxInt) != armBFAuxInt(16, 16) { + break + } + w := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVHstore || auxIntToInt32(x.AuxInt) != i-2 || auxToSym(x.Aux) != s { + break + } + mem := x.Args[2] + ptr1 := x.Args[0] + if w != x.Args[1] || !(x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x)) { + break + } + v.reset(OpARM64MOVWstore) + v.AuxInt = int32ToAuxInt(i - 2) + v.Aux = symToAux(s) + v.AddArg3(ptr0, w, mem) + return true + } + // match: (MOVHstore [2] {s} (ADD ptr0 idx0) (UBFX [armBFAuxInt(16, 16)] w) x:(MOVHstoreidx ptr1 idx1 w mem)) + // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) + // result: (MOVWstoreidx ptr1 idx1 w mem) + for { + if auxIntToInt32(v.AuxInt) != 2 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + _ = v_0.Args[1] + v_0_0 := v_0.Args[0] + v_0_1 := v_0.Args[1] + for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 { + ptr0 := v_0_0 + idx0 := v_0_1 + if v_1.Op != OpARM64UBFX || auxIntToArm64BitField(v_1.AuxInt) != armBFAuxInt(16, 16) { + continue + } + w := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVHstoreidx { + continue + } + mem := x.Args[3] + ptr1 := x.Args[0] + idx1 := x.Args[1] + if w != x.Args[2] || !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { + continue + } + v.reset(OpARM64MOVWstoreidx) + v.AddArg4(ptr1, idx1, w, mem) + return true + } + break + } + // match: (MOVHstore [2] {s} (ADDshiftLL [1] ptr0 idx0) (UBFX [armBFAuxInt(16, 16)] w) x:(MOVHstoreidx2 ptr1 idx1 w mem)) + // cond: x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x) + // result: (MOVWstoreidx ptr1 (SLLconst <idx1.Type> [1] idx1) w mem) + for { + if auxIntToInt32(v.AuxInt) != 2 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 { + break + } + idx0 := v_0.Args[1] + ptr0 := v_0.Args[0] + if v_1.Op != OpARM64UBFX || auxIntToArm64BitField(v_1.AuxInt) != armBFAuxInt(16, 16) { + break + } + w := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVHstoreidx2 { + break + } + mem := x.Args[3] + ptr1 := x.Args[0] + idx1 := x.Args[1] + if w != x.Args[2] || !(x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x)) { + break + } + v.reset(OpARM64MOVWstoreidx) + v0 := b.NewValue0(v.Pos, OpARM64SLLconst, idx1.Type) + v0.AuxInt = int64ToAuxInt(1) + v0.AddArg(idx1) + v.AddArg4(ptr1, v0, w, mem) + return true + } + // match: (MOVHstore [i] {s} ptr0 (SRLconst [16] (MOVDreg w)) x:(MOVHstore [i-2] {s} ptr1 w mem)) + // cond: x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x) + // result: (MOVWstore [i-2] {s} ptr0 w mem) + for { + i := auxIntToInt32(v.AuxInt) + s := auxToSym(v.Aux) + ptr0 := v_0 + if v_1.Op != OpARM64SRLconst || auxIntToInt64(v_1.AuxInt) != 16 { + break + } + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpARM64MOVDreg { + break + } + w := v_1_0.Args[0] + x := v_2 + if x.Op != OpARM64MOVHstore || auxIntToInt32(x.AuxInt) != i-2 || auxToSym(x.Aux) != s { + break + } + mem := x.Args[2] + ptr1 := x.Args[0] + if w != x.Args[1] || !(x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x)) { + break + } + v.reset(OpARM64MOVWstore) + v.AuxInt = int32ToAuxInt(i - 2) + v.Aux = symToAux(s) + v.AddArg3(ptr0, w, mem) + return true + } + // match: (MOVHstore [2] {s} (ADD ptr0 idx0) (SRLconst [16] (MOVDreg w)) x:(MOVHstoreidx ptr1 idx1 w mem)) + // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) + // result: (MOVWstoreidx ptr1 idx1 w mem) + for { + if auxIntToInt32(v.AuxInt) != 2 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + _ = v_0.Args[1] + v_0_0 := v_0.Args[0] + v_0_1 := v_0.Args[1] + for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 { + ptr0 := v_0_0 + idx0 := v_0_1 + if v_1.Op != OpARM64SRLconst || auxIntToInt64(v_1.AuxInt) != 16 { + continue + } + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpARM64MOVDreg { + continue + } + w := v_1_0.Args[0] + x := v_2 + if x.Op != OpARM64MOVHstoreidx { + continue + } + mem := x.Args[3] + ptr1 := x.Args[0] + idx1 := x.Args[1] + if w != x.Args[2] || !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { + continue + } + v.reset(OpARM64MOVWstoreidx) + v.AddArg4(ptr1, idx1, w, mem) + return true + } + break + } + // match: (MOVHstore [2] {s} (ADDshiftLL [1] ptr0 idx0) (SRLconst [16] (MOVDreg w)) x:(MOVHstoreidx2 ptr1 idx1 w mem)) + // cond: x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x) + // result: (MOVWstoreidx ptr1 (SLLconst <idx1.Type> [1] idx1) w mem) + for { + if auxIntToInt32(v.AuxInt) != 2 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 { + break + } + idx0 := v_0.Args[1] + ptr0 := v_0.Args[0] + if v_1.Op != OpARM64SRLconst || auxIntToInt64(v_1.AuxInt) != 16 { + break + } + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpARM64MOVDreg { + break + } + w := v_1_0.Args[0] + x := v_2 + if x.Op != OpARM64MOVHstoreidx2 { + break + } + mem := x.Args[3] + ptr1 := x.Args[0] + idx1 := x.Args[1] + if w != x.Args[2] || !(x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x)) { + break + } + v.reset(OpARM64MOVWstoreidx) + v0 := b.NewValue0(v.Pos, OpARM64SLLconst, idx1.Type) + v0.AuxInt = int64ToAuxInt(1) + v0.AddArg(idx1) + v.AddArg4(ptr1, v0, w, mem) + return true + } + // match: (MOVHstore [i] {s} ptr0 (SRLconst [j] w) x:(MOVHstore [i-2] {s} ptr1 w0:(SRLconst [j-16] w) mem)) + // cond: x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x) + // result: (MOVWstore [i-2] {s} ptr0 w0 mem) + for { + i := auxIntToInt32(v.AuxInt) + s := auxToSym(v.Aux) + ptr0 := v_0 + if v_1.Op != OpARM64SRLconst { + break + } + j := auxIntToInt64(v_1.AuxInt) + w := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVHstore || auxIntToInt32(x.AuxInt) != i-2 || auxToSym(x.Aux) != s { + break + } + mem := x.Args[2] + ptr1 := x.Args[0] + w0 := x.Args[1] + if w0.Op != OpARM64SRLconst || auxIntToInt64(w0.AuxInt) != j-16 || w != w0.Args[0] || !(x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x)) { + break + } + v.reset(OpARM64MOVWstore) + v.AuxInt = int32ToAuxInt(i - 2) + v.Aux = symToAux(s) + v.AddArg3(ptr0, w0, mem) + return true + } + // match: (MOVHstore [2] {s} (ADD ptr0 idx0) (SRLconst [j] w) x:(MOVHstoreidx ptr1 idx1 w0:(SRLconst [j-16] w) mem)) + // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) + // result: (MOVWstoreidx ptr1 idx1 w0 mem) + for { + if auxIntToInt32(v.AuxInt) != 2 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + _ = v_0.Args[1] + v_0_0 := v_0.Args[0] + v_0_1 := v_0.Args[1] + for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 { + ptr0 := v_0_0 + idx0 := v_0_1 + if v_1.Op != OpARM64SRLconst { + continue + } + j := auxIntToInt64(v_1.AuxInt) + w := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVHstoreidx { + continue + } + mem := x.Args[3] + ptr1 := x.Args[0] + idx1 := x.Args[1] + w0 := x.Args[2] + if w0.Op != OpARM64SRLconst || auxIntToInt64(w0.AuxInt) != j-16 || w != w0.Args[0] || !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { + continue + } + v.reset(OpARM64MOVWstoreidx) + v.AddArg4(ptr1, idx1, w0, mem) + return true + } + break + } + // match: (MOVHstore [2] {s} (ADDshiftLL [1] ptr0 idx0) (SRLconst [j] w) x:(MOVHstoreidx2 ptr1 idx1 w0:(SRLconst [j-16] w) mem)) + // cond: x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x) + // result: (MOVWstoreidx ptr1 (SLLconst <idx1.Type> [1] idx1) w0 mem) + for { + if auxIntToInt32(v.AuxInt) != 2 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 { + break + } + idx0 := v_0.Args[1] + ptr0 := v_0.Args[0] + if v_1.Op != OpARM64SRLconst { + break + } + j := auxIntToInt64(v_1.AuxInt) + w := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVHstoreidx2 { + break + } + mem := x.Args[3] + ptr1 := x.Args[0] + idx1 := x.Args[1] + w0 := x.Args[2] + if w0.Op != OpARM64SRLconst || auxIntToInt64(w0.AuxInt) != j-16 || w != w0.Args[0] || !(x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x)) { + break + } + v.reset(OpARM64MOVWstoreidx) + v0 := b.NewValue0(v.Pos, OpARM64SLLconst, idx1.Type) + v0.AuxInt = int64ToAuxInt(1) + v0.AddArg(idx1) + v.AddArg4(ptr1, v0, w0, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVHstoreidx(v *Value) bool { + v_3 := v.Args[3] + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MOVHstoreidx ptr (MOVDconst [c]) val mem) + // cond: is32Bit(c) + // result: (MOVHstore [int32(c)] ptr val mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + val := v_2 + mem := v_3 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVHstore) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg3(ptr, val, mem) + return true + } + // match: (MOVHstoreidx (MOVDconst [c]) idx val mem) + // cond: is32Bit(c) + // result: (MOVHstore [int32(c)] idx val mem) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + idx := v_1 + val := v_2 + mem := v_3 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVHstore) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg3(idx, val, mem) + return true + } + // match: (MOVHstoreidx ptr (SLLconst [1] idx) val mem) + // result: (MOVHstoreidx2 ptr idx val mem) + for { + ptr := v_0 + if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 1 { + break + } + idx := v_1.Args[0] + val := v_2 + mem := v_3 + v.reset(OpARM64MOVHstoreidx2) + v.AddArg4(ptr, idx, val, mem) + return true + } + // match: (MOVHstoreidx ptr (ADD idx idx) val mem) + // result: (MOVHstoreidx2 ptr idx val mem) + for { + ptr := v_0 + if v_1.Op != OpARM64ADD { + break + } + idx := v_1.Args[1] + if idx != v_1.Args[0] { + break + } + val := v_2 + mem := v_3 + v.reset(OpARM64MOVHstoreidx2) + v.AddArg4(ptr, idx, val, mem) + return true + } + // match: (MOVHstoreidx (SLLconst [1] idx) ptr val mem) + // result: (MOVHstoreidx2 ptr idx val mem) + for { + if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 1 { + break + } + idx := v_0.Args[0] + ptr := v_1 + val := v_2 + mem := v_3 + v.reset(OpARM64MOVHstoreidx2) + v.AddArg4(ptr, idx, val, mem) + return true + } + // match: (MOVHstoreidx (ADD idx idx) ptr val mem) + // result: (MOVHstoreidx2 ptr idx val mem) + for { + if v_0.Op != OpARM64ADD { + break + } + idx := v_0.Args[1] + if idx != v_0.Args[0] { + break + } + ptr := v_1 + val := v_2 + mem := v_3 + v.reset(OpARM64MOVHstoreidx2) + v.AddArg4(ptr, idx, val, mem) + return true + } + // match: (MOVHstoreidx ptr idx (MOVDconst [0]) mem) + // result: (MOVHstorezeroidx ptr idx mem) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 { + break + } + mem := v_3 + v.reset(OpARM64MOVHstorezeroidx) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVHstoreidx ptr idx (MOVHreg x) mem) + // result: (MOVHstoreidx ptr idx x mem) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVHreg { + break + } + x := v_2.Args[0] + mem := v_3 + v.reset(OpARM64MOVHstoreidx) + v.AddArg4(ptr, idx, x, mem) + return true + } + // match: (MOVHstoreidx ptr idx (MOVHUreg x) mem) + // result: (MOVHstoreidx ptr idx x mem) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVHUreg { + break + } + x := v_2.Args[0] + mem := v_3 + v.reset(OpARM64MOVHstoreidx) + v.AddArg4(ptr, idx, x, mem) + return true + } + // match: (MOVHstoreidx ptr idx (MOVWreg x) mem) + // result: (MOVHstoreidx ptr idx x mem) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVWreg { + break + } + x := v_2.Args[0] + mem := v_3 + v.reset(OpARM64MOVHstoreidx) + v.AddArg4(ptr, idx, x, mem) + return true + } + // match: (MOVHstoreidx ptr idx (MOVWUreg x) mem) + // result: (MOVHstoreidx ptr idx x mem) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVWUreg { + break + } + x := v_2.Args[0] + mem := v_3 + v.reset(OpARM64MOVHstoreidx) + v.AddArg4(ptr, idx, x, mem) + return true + } + // match: (MOVHstoreidx ptr (ADDconst [2] idx) (SRLconst [16] w) x:(MOVHstoreidx ptr idx w mem)) + // cond: x.Uses == 1 && clobber(x) + // result: (MOVWstoreidx ptr idx w mem) + for { + ptr := v_0 + if v_1.Op != OpARM64ADDconst || auxIntToInt64(v_1.AuxInt) != 2 { + break + } + idx := v_1.Args[0] + if v_2.Op != OpARM64SRLconst || auxIntToInt64(v_2.AuxInt) != 16 { + break + } + w := v_2.Args[0] + x := v_3 + if x.Op != OpARM64MOVHstoreidx { + break + } + mem := x.Args[3] + if ptr != x.Args[0] || idx != x.Args[1] || w != x.Args[2] || !(x.Uses == 1 && clobber(x)) { + break + } + v.reset(OpARM64MOVWstoreidx) + v.AddArg4(ptr, idx, w, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVHstoreidx2(v *Value) bool { + v_3 := v.Args[3] + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MOVHstoreidx2 ptr (MOVDconst [c]) val mem) + // cond: is32Bit(c<<1) + // result: (MOVHstore [int32(c)<<1] ptr val mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + val := v_2 + mem := v_3 + if !(is32Bit(c << 1)) { + break + } + v.reset(OpARM64MOVHstore) + v.AuxInt = int32ToAuxInt(int32(c) << 1) + v.AddArg3(ptr, val, mem) + return true + } + // match: (MOVHstoreidx2 ptr idx (MOVDconst [0]) mem) + // result: (MOVHstorezeroidx2 ptr idx mem) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 { + break + } + mem := v_3 + v.reset(OpARM64MOVHstorezeroidx2) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVHstoreidx2 ptr idx (MOVHreg x) mem) + // result: (MOVHstoreidx2 ptr idx x mem) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVHreg { + break + } + x := v_2.Args[0] + mem := v_3 + v.reset(OpARM64MOVHstoreidx2) + v.AddArg4(ptr, idx, x, mem) + return true + } + // match: (MOVHstoreidx2 ptr idx (MOVHUreg x) mem) + // result: (MOVHstoreidx2 ptr idx x mem) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVHUreg { + break + } + x := v_2.Args[0] + mem := v_3 + v.reset(OpARM64MOVHstoreidx2) + v.AddArg4(ptr, idx, x, mem) + return true + } + // match: (MOVHstoreidx2 ptr idx (MOVWreg x) mem) + // result: (MOVHstoreidx2 ptr idx x mem) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVWreg { + break + } + x := v_2.Args[0] + mem := v_3 + v.reset(OpARM64MOVHstoreidx2) + v.AddArg4(ptr, idx, x, mem) + return true + } + // match: (MOVHstoreidx2 ptr idx (MOVWUreg x) mem) + // result: (MOVHstoreidx2 ptr idx x mem) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVWUreg { + break + } + x := v_2.Args[0] + mem := v_3 + v.reset(OpARM64MOVHstoreidx2) + v.AddArg4(ptr, idx, x, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVHstorezero(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + config := b.Func.Config + // match: (MOVHstorezero [off1] {sym} (ADDconst [off2] ptr) mem) + // cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVHstorezero [off1+int32(off2)] {sym} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDconst { + break + } + off2 := auxIntToInt64(v_0.AuxInt) + ptr := v_0.Args[0] + mem := v_1 + if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVHstorezero) + v.AuxInt = int32ToAuxInt(off1 + int32(off2)) + v.Aux = symToAux(sym) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVHstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) + // cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVHstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym1 := auxToSym(v.Aux) + if v_0.Op != OpARM64MOVDaddr { + break + } + off2 := auxIntToInt32(v_0.AuxInt) + sym2 := auxToSym(v_0.Aux) + ptr := v_0.Args[0] + mem := v_1 + if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVHstorezero) + v.AuxInt = int32ToAuxInt(off1 + off2) + v.Aux = symToAux(mergeSym(sym1, sym2)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVHstorezero [off] {sym} (ADD ptr idx) mem) + // cond: off == 0 && sym == nil + // result: (MOVHstorezeroidx ptr idx mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + mem := v_1 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64MOVHstorezeroidx) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVHstorezero [off] {sym} (ADDshiftLL [1] ptr idx) mem) + // cond: off == 0 && sym == nil + // result: (MOVHstorezeroidx2 ptr idx mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + mem := v_1 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64MOVHstorezeroidx2) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVHstorezero [i] {s} ptr0 x:(MOVHstorezero [j] {s} ptr1 mem)) + // cond: x.Uses == 1 && areAdjacentOffsets(int64(i),int64(j),2) && isSamePtr(ptr0, ptr1) && clobber(x) + // result: (MOVWstorezero [int32(min(int64(i),int64(j)))] {s} ptr0 mem) + for { + i := auxIntToInt32(v.AuxInt) + s := auxToSym(v.Aux) + ptr0 := v_0 + x := v_1 + if x.Op != OpARM64MOVHstorezero { + break + } + j := auxIntToInt32(x.AuxInt) + if auxToSym(x.Aux) != s { + break + } + mem := x.Args[1] + ptr1 := x.Args[0] + if !(x.Uses == 1 && areAdjacentOffsets(int64(i), int64(j), 2) && isSamePtr(ptr0, ptr1) && clobber(x)) { + break + } + v.reset(OpARM64MOVWstorezero) + v.AuxInt = int32ToAuxInt(int32(min(int64(i), int64(j)))) + v.Aux = symToAux(s) + v.AddArg2(ptr0, mem) + return true + } + // match: (MOVHstorezero [2] {s} (ADD ptr0 idx0) x:(MOVHstorezeroidx ptr1 idx1 mem)) + // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) + // result: (MOVWstorezeroidx ptr1 idx1 mem) + for { + if auxIntToInt32(v.AuxInt) != 2 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + _ = v_0.Args[1] + v_0_0 := v_0.Args[0] + v_0_1 := v_0.Args[1] + for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 { + ptr0 := v_0_0 + idx0 := v_0_1 + x := v_1 + if x.Op != OpARM64MOVHstorezeroidx { + continue + } + mem := x.Args[2] + ptr1 := x.Args[0] + idx1 := x.Args[1] + if !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { + continue + } + v.reset(OpARM64MOVWstorezeroidx) + v.AddArg3(ptr1, idx1, mem) + return true + } + break + } + // match: (MOVHstorezero [2] {s} (ADDshiftLL [1] ptr0 idx0) x:(MOVHstorezeroidx2 ptr1 idx1 mem)) + // cond: x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x) + // result: (MOVWstorezeroidx ptr1 (SLLconst <idx1.Type> [1] idx1) mem) + for { + if auxIntToInt32(v.AuxInt) != 2 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 1 { + break + } + idx0 := v_0.Args[1] + ptr0 := v_0.Args[0] + x := v_1 + if x.Op != OpARM64MOVHstorezeroidx2 { + break + } + mem := x.Args[2] + ptr1 := x.Args[0] + idx1 := x.Args[1] + if !(x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x)) { + break + } + v.reset(OpARM64MOVWstorezeroidx) + v0 := b.NewValue0(v.Pos, OpARM64SLLconst, idx1.Type) + v0.AuxInt = int64ToAuxInt(1) + v0.AddArg(idx1) + v.AddArg3(ptr1, v0, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVHstorezeroidx(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MOVHstorezeroidx ptr (MOVDconst [c]) mem) + // cond: is32Bit(c) + // result: (MOVHstorezero [int32(c)] ptr mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + mem := v_2 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVHstorezero) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVHstorezeroidx (MOVDconst [c]) idx mem) + // cond: is32Bit(c) + // result: (MOVHstorezero [int32(c)] idx mem) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + idx := v_1 + mem := v_2 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVHstorezero) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg2(idx, mem) + return true + } + // match: (MOVHstorezeroidx ptr (SLLconst [1] idx) mem) + // result: (MOVHstorezeroidx2 ptr idx mem) + for { + ptr := v_0 + if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 1 { + break + } + idx := v_1.Args[0] + mem := v_2 + v.reset(OpARM64MOVHstorezeroidx2) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVHstorezeroidx ptr (ADD idx idx) mem) + // result: (MOVHstorezeroidx2 ptr idx mem) + for { + ptr := v_0 + if v_1.Op != OpARM64ADD { + break + } + idx := v_1.Args[1] + if idx != v_1.Args[0] { + break + } + mem := v_2 + v.reset(OpARM64MOVHstorezeroidx2) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVHstorezeroidx (SLLconst [1] idx) ptr mem) + // result: (MOVHstorezeroidx2 ptr idx mem) + for { + if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 1 { + break + } + idx := v_0.Args[0] + ptr := v_1 + mem := v_2 + v.reset(OpARM64MOVHstorezeroidx2) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVHstorezeroidx (ADD idx idx) ptr mem) + // result: (MOVHstorezeroidx2 ptr idx mem) + for { + if v_0.Op != OpARM64ADD { + break + } + idx := v_0.Args[1] + if idx != v_0.Args[0] { + break + } + ptr := v_1 + mem := v_2 + v.reset(OpARM64MOVHstorezeroidx2) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVHstorezeroidx ptr (ADDconst [2] idx) x:(MOVHstorezeroidx ptr idx mem)) + // cond: x.Uses == 1 && clobber(x) + // result: (MOVWstorezeroidx ptr idx mem) + for { + ptr := v_0 + if v_1.Op != OpARM64ADDconst || auxIntToInt64(v_1.AuxInt) != 2 { + break + } + idx := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVHstorezeroidx { + break + } + mem := x.Args[2] + if ptr != x.Args[0] || idx != x.Args[1] || !(x.Uses == 1 && clobber(x)) { + break + } + v.reset(OpARM64MOVWstorezeroidx) + v.AddArg3(ptr, idx, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVHstorezeroidx2(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MOVHstorezeroidx2 ptr (MOVDconst [c]) mem) + // cond: is32Bit(c<<1) + // result: (MOVHstorezero [int32(c<<1)] ptr mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + mem := v_2 + if !(is32Bit(c << 1)) { + break + } + v.reset(OpARM64MOVHstorezero) + v.AuxInt = int32ToAuxInt(int32(c << 1)) + v.AddArg2(ptr, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVQstorezero(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + config := b.Func.Config + // match: (MOVQstorezero [off1] {sym} (ADDconst [off2] ptr) mem) + // cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVQstorezero [off1+int32(off2)] {sym} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDconst { + break + } + off2 := auxIntToInt64(v_0.AuxInt) + ptr := v_0.Args[0] + mem := v_1 + if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVQstorezero) + v.AuxInt = int32ToAuxInt(off1 + int32(off2)) + v.Aux = symToAux(sym) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVQstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) + // cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVQstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym1 := auxToSym(v.Aux) + if v_0.Op != OpARM64MOVDaddr { + break + } + off2 := auxIntToInt32(v_0.AuxInt) + sym2 := auxToSym(v_0.Aux) + ptr := v_0.Args[0] + mem := v_1 + if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVQstorezero) + v.AuxInt = int32ToAuxInt(off1 + off2) + v.Aux = symToAux(mergeSym(sym1, sym2)) + v.AddArg2(ptr, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVWUload(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + config := b.Func.Config + // match: (MOVWUload [off] {sym} ptr (FMOVSstore [off] {sym} ptr val _)) + // result: (FMOVSfpgp val) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64FMOVSstore || auxIntToInt32(v_1.AuxInt) != off || auxToSym(v_1.Aux) != sym { + break + } + val := v_1.Args[1] + if ptr != v_1.Args[0] { + break + } + v.reset(OpARM64FMOVSfpgp) + v.AddArg(val) + return true + } + // match: (MOVWUload [off1] {sym} (ADDconst [off2] ptr) mem) + // cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVWUload [off1+int32(off2)] {sym} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDconst { + break + } + off2 := auxIntToInt64(v_0.AuxInt) + ptr := v_0.Args[0] + mem := v_1 + if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVWUload) + v.AuxInt = int32ToAuxInt(off1 + int32(off2)) + v.Aux = symToAux(sym) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVWUload [off] {sym} (ADD ptr idx) mem) + // cond: off == 0 && sym == nil + // result: (MOVWUloadidx ptr idx mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + mem := v_1 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64MOVWUloadidx) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVWUload [off] {sym} (ADDshiftLL [2] ptr idx) mem) + // cond: off == 0 && sym == nil + // result: (MOVWUloadidx4 ptr idx mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + mem := v_1 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64MOVWUloadidx4) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVWUload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) + // cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVWUload [off1+off2] {mergeSym(sym1,sym2)} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym1 := auxToSym(v.Aux) + if v_0.Op != OpARM64MOVDaddr { + break + } + off2 := auxIntToInt32(v_0.AuxInt) + sym2 := auxToSym(v_0.Aux) + ptr := v_0.Args[0] + mem := v_1 + if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVWUload) + v.AuxInt = int32ToAuxInt(off1 + off2) + v.Aux = symToAux(mergeSym(sym1, sym2)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVWUload [off] {sym} ptr (MOVWstorezero [off2] {sym2} ptr2 _)) + // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) + // result: (MOVDconst [0]) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64MOVWstorezero { + break + } + off2 := auxIntToInt32(v_1.AuxInt) + sym2 := auxToSym(v_1.Aux) + ptr2 := v_1.Args[0] + if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + // match: (MOVWUload [off] {sym} (SB) _) + // cond: symIsRO(sym) + // result: (MOVDconst [int64(read32(sym, int64(off), config.ctxt.Arch.ByteOrder))]) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpSB || !(symIsRO(sym)) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(int64(read32(sym, int64(off), config.ctxt.Arch.ByteOrder))) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVWUloadidx(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MOVWUloadidx ptr (MOVDconst [c]) mem) + // cond: is32Bit(c) + // result: (MOVWUload [int32(c)] ptr mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + mem := v_2 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVWUload) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVWUloadidx (MOVDconst [c]) ptr mem) + // cond: is32Bit(c) + // result: (MOVWUload [int32(c)] ptr mem) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + ptr := v_1 + mem := v_2 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVWUload) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVWUloadidx ptr (SLLconst [2] idx) mem) + // result: (MOVWUloadidx4 ptr idx mem) + for { + ptr := v_0 + if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 { + break + } + idx := v_1.Args[0] + mem := v_2 + v.reset(OpARM64MOVWUloadidx4) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVWUloadidx (SLLconst [2] idx) ptr mem) + // result: (MOVWUloadidx4 ptr idx mem) + for { + if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 { + break + } + idx := v_0.Args[0] + ptr := v_1 + mem := v_2 + v.reset(OpARM64MOVWUloadidx4) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVWUloadidx ptr idx (MOVWstorezeroidx ptr2 idx2 _)) + // cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) + // result: (MOVDconst [0]) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVWstorezeroidx { + break + } + idx2 := v_2.Args[1] + ptr2 := v_2.Args[0] + if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVWUloadidx4(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MOVWUloadidx4 ptr (MOVDconst [c]) mem) + // cond: is32Bit(c<<2) + // result: (MOVWUload [int32(c)<<2] ptr mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + mem := v_2 + if !(is32Bit(c << 2)) { + break + } + v.reset(OpARM64MOVWUload) + v.AuxInt = int32ToAuxInt(int32(c) << 2) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVWUloadidx4 ptr idx (MOVWstorezeroidx4 ptr2 idx2 _)) + // cond: isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) + // result: (MOVDconst [0]) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVWstorezeroidx4 { + break + } + idx2 := v_2.Args[1] + ptr2 := v_2.Args[0] + if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVWUreg(v *Value) bool { + v_0 := v.Args[0] + // match: (MOVWUreg x:(MOVBUload _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVBUload { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWUreg x:(MOVHUload _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVHUload { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWUreg x:(MOVWUload _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVWUload { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWUreg x:(MOVBUloadidx _ _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVBUloadidx { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWUreg x:(MOVHUloadidx _ _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVHUloadidx { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWUreg x:(MOVWUloadidx _ _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVWUloadidx { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWUreg x:(MOVHUloadidx2 _ _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVHUloadidx2 { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWUreg x:(MOVWUloadidx4 _ _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVWUloadidx4 { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWUreg x:(MOVBUreg _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVBUreg { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWUreg x:(MOVHUreg _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVHUreg { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWUreg x:(MOVWUreg _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVWUreg { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWUreg (ANDconst [c] x)) + // result: (ANDconst [c&(1<<32-1)] x) + for { + if v_0.Op != OpARM64ANDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(c & (1<<32 - 1)) + v.AddArg(x) + return true + } + // match: (MOVWUreg (MOVDconst [c])) + // result: (MOVDconst [int64(uint32(c))]) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(int64(uint32(c))) + return true + } + // match: (MOVWUreg (SLLconst [lc] x)) + // cond: lc >= 32 + // result: (MOVDconst [0]) + for { + if v_0.Op != OpARM64SLLconst { + break + } + lc := auxIntToInt64(v_0.AuxInt) + if !(lc >= 32) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + // match: (MOVWUreg (SLLconst [lc] x)) + // cond: lc < 32 + // result: (UBFIZ [armBFAuxInt(lc, 32-lc)] x) + for { + if v_0.Op != OpARM64SLLconst { + break + } + lc := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(lc < 32) { + break + } + v.reset(OpARM64UBFIZ) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 32-lc)) + v.AddArg(x) + return true + } + // match: (MOVWUreg (SRLconst [rc] x)) + // cond: rc < 32 + // result: (UBFX [armBFAuxInt(rc, 32)] x) + for { + if v_0.Op != OpARM64SRLconst { + break + } + rc := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(rc < 32) { + break + } + v.reset(OpARM64UBFX) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 32)) + v.AddArg(x) + return true + } + // match: (MOVWUreg (UBFX [bfc] x)) + // cond: bfc.getARM64BFwidth() <= 32 + // result: (UBFX [bfc] x) + for { + if v_0.Op != OpARM64UBFX { + break + } + bfc := auxIntToArm64BitField(v_0.AuxInt) + x := v_0.Args[0] + if !(bfc.getARM64BFwidth() <= 32) { + break + } + v.reset(OpARM64UBFX) + v.AuxInt = arm64BitFieldToAuxInt(bfc) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVWload(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + config := b.Func.Config + // match: (MOVWload [off1] {sym} (ADDconst [off2] ptr) mem) + // cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVWload [off1+int32(off2)] {sym} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDconst { + break + } + off2 := auxIntToInt64(v_0.AuxInt) + ptr := v_0.Args[0] + mem := v_1 + if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVWload) + v.AuxInt = int32ToAuxInt(off1 + int32(off2)) + v.Aux = symToAux(sym) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVWload [off] {sym} (ADD ptr idx) mem) + // cond: off == 0 && sym == nil + // result: (MOVWloadidx ptr idx mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + mem := v_1 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64MOVWloadidx) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVWload [off] {sym} (ADDshiftLL [2] ptr idx) mem) + // cond: off == 0 && sym == nil + // result: (MOVWloadidx4 ptr idx mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + mem := v_1 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64MOVWloadidx4) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVWload [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) + // cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVWload [off1+off2] {mergeSym(sym1,sym2)} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym1 := auxToSym(v.Aux) + if v_0.Op != OpARM64MOVDaddr { + break + } + off2 := auxIntToInt32(v_0.AuxInt) + sym2 := auxToSym(v_0.Aux) + ptr := v_0.Args[0] + mem := v_1 + if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVWload) + v.AuxInt = int32ToAuxInt(off1 + off2) + v.Aux = symToAux(mergeSym(sym1, sym2)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVWload [off] {sym} ptr (MOVWstorezero [off2] {sym2} ptr2 _)) + // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) + // result: (MOVDconst [0]) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64MOVWstorezero { + break + } + off2 := auxIntToInt32(v_1.AuxInt) + sym2 := auxToSym(v_1.Aux) + ptr2 := v_1.Args[0] + if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVWloadidx(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MOVWloadidx ptr (MOVDconst [c]) mem) + // cond: is32Bit(c) + // result: (MOVWload [int32(c)] ptr mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + mem := v_2 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVWload) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVWloadidx (MOVDconst [c]) ptr mem) + // cond: is32Bit(c) + // result: (MOVWload [int32(c)] ptr mem) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + ptr := v_1 + mem := v_2 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVWload) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVWloadidx ptr (SLLconst [2] idx) mem) + // result: (MOVWloadidx4 ptr idx mem) + for { + ptr := v_0 + if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 { + break + } + idx := v_1.Args[0] + mem := v_2 + v.reset(OpARM64MOVWloadidx4) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVWloadidx (SLLconst [2] idx) ptr mem) + // result: (MOVWloadidx4 ptr idx mem) + for { + if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 { + break + } + idx := v_0.Args[0] + ptr := v_1 + mem := v_2 + v.reset(OpARM64MOVWloadidx4) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVWloadidx ptr idx (MOVWstorezeroidx ptr2 idx2 _)) + // cond: (isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) + // result: (MOVDconst [0]) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVWstorezeroidx { + break + } + idx2 := v_2.Args[1] + ptr2 := v_2.Args[0] + if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) || isSamePtr(ptr, idx2) && isSamePtr(idx, ptr2)) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVWloadidx4(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MOVWloadidx4 ptr (MOVDconst [c]) mem) + // cond: is32Bit(c<<2) + // result: (MOVWload [int32(c)<<2] ptr mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + mem := v_2 + if !(is32Bit(c << 2)) { + break + } + v.reset(OpARM64MOVWload) + v.AuxInt = int32ToAuxInt(int32(c) << 2) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVWloadidx4 ptr idx (MOVWstorezeroidx4 ptr2 idx2 _)) + // cond: isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2) + // result: (MOVDconst [0]) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVWstorezeroidx4 { + break + } + idx2 := v_2.Args[1] + ptr2 := v_2.Args[0] + if !(isSamePtr(ptr, ptr2) && isSamePtr(idx, idx2)) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVWreg(v *Value) bool { + v_0 := v.Args[0] + // match: (MOVWreg x:(MOVBload _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVBload { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWreg x:(MOVBUload _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVBUload { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWreg x:(MOVHload _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVHload { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWreg x:(MOVHUload _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVHUload { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWreg x:(MOVWload _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVWload { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWreg x:(MOVBloadidx _ _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVBloadidx { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWreg x:(MOVBUloadidx _ _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVBUloadidx { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWreg x:(MOVHloadidx _ _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVHloadidx { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWreg x:(MOVHUloadidx _ _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVHUloadidx { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWreg x:(MOVWloadidx _ _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVWloadidx { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWreg x:(MOVHloadidx2 _ _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVHloadidx2 { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWreg x:(MOVHUloadidx2 _ _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVHUloadidx2 { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWreg x:(MOVWloadidx4 _ _ _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVWloadidx4 { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWreg x:(MOVBreg _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVBreg { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWreg x:(MOVBUreg _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVBUreg { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWreg x:(MOVHreg _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVHreg { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWreg x:(MOVWreg _)) + // result: (MOVDreg x) + for { + x := v_0 + if x.Op != OpARM64MOVWreg { + break + } + v.reset(OpARM64MOVDreg) + v.AddArg(x) + return true + } + // match: (MOVWreg (MOVDconst [c])) + // result: (MOVDconst [int64(int32(c))]) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(int64(int32(c))) + return true + } + // match: (MOVWreg (SLLconst [lc] x)) + // cond: lc < 32 + // result: (SBFIZ [armBFAuxInt(lc, 32-lc)] x) + for { + if v_0.Op != OpARM64SLLconst { + break + } + lc := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(lc < 32) { + break + } + v.reset(OpARM64SBFIZ) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, 32-lc)) + v.AddArg(x) + return true + } + // match: (MOVWreg (SBFX [bfc] x)) + // cond: bfc.getARM64BFwidth() <= 32 + // result: (SBFX [bfc] x) + for { + if v_0.Op != OpARM64SBFX { + break + } + bfc := auxIntToArm64BitField(v_0.AuxInt) + x := v_0.Args[0] + if !(bfc.getARM64BFwidth() <= 32) { + break + } + v.reset(OpARM64SBFX) + v.AuxInt = arm64BitFieldToAuxInt(bfc) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVWstore(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + config := b.Func.Config + // match: (MOVWstore [off] {sym} ptr (FMOVSfpgp val) mem) + // result: (FMOVSstore [off] {sym} ptr val mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64FMOVSfpgp { + break + } + val := v_1.Args[0] + mem := v_2 + v.reset(OpARM64FMOVSstore) + v.AuxInt = int32ToAuxInt(off) + v.Aux = symToAux(sym) + v.AddArg3(ptr, val, mem) + return true + } + // match: (MOVWstore [off1] {sym} (ADDconst [off2] ptr) val mem) + // cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVWstore [off1+int32(off2)] {sym} ptr val mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDconst { + break + } + off2 := auxIntToInt64(v_0.AuxInt) + ptr := v_0.Args[0] + val := v_1 + mem := v_2 + if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVWstore) + v.AuxInt = int32ToAuxInt(off1 + int32(off2)) + v.Aux = symToAux(sym) + v.AddArg3(ptr, val, mem) + return true + } + // match: (MOVWstore [off] {sym} (ADD ptr idx) val mem) + // cond: off == 0 && sym == nil + // result: (MOVWstoreidx ptr idx val mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + val := v_1 + mem := v_2 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64MOVWstoreidx) + v.AddArg4(ptr, idx, val, mem) + return true + } + // match: (MOVWstore [off] {sym} (ADDshiftLL [2] ptr idx) val mem) + // cond: off == 0 && sym == nil + // result: (MOVWstoreidx4 ptr idx val mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + val := v_1 + mem := v_2 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64MOVWstoreidx4) + v.AddArg4(ptr, idx, val, mem) + return true + } + // match: (MOVWstore [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val mem) + // cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVWstore [off1+off2] {mergeSym(sym1,sym2)} ptr val mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym1 := auxToSym(v.Aux) + if v_0.Op != OpARM64MOVDaddr { + break + } + off2 := auxIntToInt32(v_0.AuxInt) + sym2 := auxToSym(v_0.Aux) + ptr := v_0.Args[0] + val := v_1 + mem := v_2 + if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVWstore) + v.AuxInt = int32ToAuxInt(off1 + off2) + v.Aux = symToAux(mergeSym(sym1, sym2)) + v.AddArg3(ptr, val, mem) + return true + } + // match: (MOVWstore [off] {sym} ptr (MOVDconst [0]) mem) + // result: (MOVWstorezero [off] {sym} ptr mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 { + break + } + mem := v_2 + v.reset(OpARM64MOVWstorezero) + v.AuxInt = int32ToAuxInt(off) + v.Aux = symToAux(sym) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVWstore [off] {sym} ptr (MOVWreg x) mem) + // result: (MOVWstore [off] {sym} ptr x mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64MOVWreg { + break + } + x := v_1.Args[0] + mem := v_2 + v.reset(OpARM64MOVWstore) + v.AuxInt = int32ToAuxInt(off) + v.Aux = symToAux(sym) + v.AddArg3(ptr, x, mem) + return true + } + // match: (MOVWstore [off] {sym} ptr (MOVWUreg x) mem) + // result: (MOVWstore [off] {sym} ptr x mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64MOVWUreg { + break + } + x := v_1.Args[0] + mem := v_2 + v.reset(OpARM64MOVWstore) + v.AuxInt = int32ToAuxInt(off) + v.Aux = symToAux(sym) + v.AddArg3(ptr, x, mem) + return true + } + // match: (MOVWstore [i] {s} ptr0 (SRLconst [32] w) x:(MOVWstore [i-4] {s} ptr1 w mem)) + // cond: x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x) + // result: (MOVDstore [i-4] {s} ptr0 w mem) + for { + i := auxIntToInt32(v.AuxInt) + s := auxToSym(v.Aux) + ptr0 := v_0 + if v_1.Op != OpARM64SRLconst || auxIntToInt64(v_1.AuxInt) != 32 { + break + } + w := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVWstore || auxIntToInt32(x.AuxInt) != i-4 || auxToSym(x.Aux) != s { + break + } + mem := x.Args[2] + ptr1 := x.Args[0] + if w != x.Args[1] || !(x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x)) { + break + } + v.reset(OpARM64MOVDstore) + v.AuxInt = int32ToAuxInt(i - 4) + v.Aux = symToAux(s) + v.AddArg3(ptr0, w, mem) + return true + } + // match: (MOVWstore [4] {s} (ADD ptr0 idx0) (SRLconst [32] w) x:(MOVWstoreidx ptr1 idx1 w mem)) + // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) + // result: (MOVDstoreidx ptr1 idx1 w mem) + for { + if auxIntToInt32(v.AuxInt) != 4 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + _ = v_0.Args[1] + v_0_0 := v_0.Args[0] + v_0_1 := v_0.Args[1] + for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 { + ptr0 := v_0_0 + idx0 := v_0_1 + if v_1.Op != OpARM64SRLconst || auxIntToInt64(v_1.AuxInt) != 32 { + continue + } + w := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVWstoreidx { + continue + } + mem := x.Args[3] + ptr1 := x.Args[0] + idx1 := x.Args[1] + if w != x.Args[2] || !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { + continue + } + v.reset(OpARM64MOVDstoreidx) + v.AddArg4(ptr1, idx1, w, mem) + return true + } + break + } + // match: (MOVWstore [4] {s} (ADDshiftLL [2] ptr0 idx0) (SRLconst [32] w) x:(MOVWstoreidx4 ptr1 idx1 w mem)) + // cond: x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x) + // result: (MOVDstoreidx ptr1 (SLLconst <idx1.Type> [2] idx1) w mem) + for { + if auxIntToInt32(v.AuxInt) != 4 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 { + break + } + idx0 := v_0.Args[1] + ptr0 := v_0.Args[0] + if v_1.Op != OpARM64SRLconst || auxIntToInt64(v_1.AuxInt) != 32 { + break + } + w := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVWstoreidx4 { + break + } + mem := x.Args[3] + ptr1 := x.Args[0] + idx1 := x.Args[1] + if w != x.Args[2] || !(x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x)) { + break + } + v.reset(OpARM64MOVDstoreidx) + v0 := b.NewValue0(v.Pos, OpARM64SLLconst, idx1.Type) + v0.AuxInt = int64ToAuxInt(2) + v0.AddArg(idx1) + v.AddArg4(ptr1, v0, w, mem) + return true + } + // match: (MOVWstore [i] {s} ptr0 (SRLconst [j] w) x:(MOVWstore [i-4] {s} ptr1 w0:(SRLconst [j-32] w) mem)) + // cond: x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x) + // result: (MOVDstore [i-4] {s} ptr0 w0 mem) + for { + i := auxIntToInt32(v.AuxInt) + s := auxToSym(v.Aux) + ptr0 := v_0 + if v_1.Op != OpARM64SRLconst { + break + } + j := auxIntToInt64(v_1.AuxInt) + w := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVWstore || auxIntToInt32(x.AuxInt) != i-4 || auxToSym(x.Aux) != s { + break + } + mem := x.Args[2] + ptr1 := x.Args[0] + w0 := x.Args[1] + if w0.Op != OpARM64SRLconst || auxIntToInt64(w0.AuxInt) != j-32 || w != w0.Args[0] || !(x.Uses == 1 && isSamePtr(ptr0, ptr1) && clobber(x)) { + break + } + v.reset(OpARM64MOVDstore) + v.AuxInt = int32ToAuxInt(i - 4) + v.Aux = symToAux(s) + v.AddArg3(ptr0, w0, mem) + return true + } + // match: (MOVWstore [4] {s} (ADD ptr0 idx0) (SRLconst [j] w) x:(MOVWstoreidx ptr1 idx1 w0:(SRLconst [j-32] w) mem)) + // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) + // result: (MOVDstoreidx ptr1 idx1 w0 mem) + for { + if auxIntToInt32(v.AuxInt) != 4 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + _ = v_0.Args[1] + v_0_0 := v_0.Args[0] + v_0_1 := v_0.Args[1] + for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 { + ptr0 := v_0_0 + idx0 := v_0_1 + if v_1.Op != OpARM64SRLconst { + continue + } + j := auxIntToInt64(v_1.AuxInt) + w := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVWstoreidx { + continue + } + mem := x.Args[3] + ptr1 := x.Args[0] + idx1 := x.Args[1] + w0 := x.Args[2] + if w0.Op != OpARM64SRLconst || auxIntToInt64(w0.AuxInt) != j-32 || w != w0.Args[0] || !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { + continue + } + v.reset(OpARM64MOVDstoreidx) + v.AddArg4(ptr1, idx1, w0, mem) + return true + } + break + } + // match: (MOVWstore [4] {s} (ADDshiftLL [2] ptr0 idx0) (SRLconst [j] w) x:(MOVWstoreidx4 ptr1 idx1 w0:(SRLconst [j-32] w) mem)) + // cond: x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x) + // result: (MOVDstoreidx ptr1 (SLLconst <idx1.Type> [2] idx1) w0 mem) + for { + if auxIntToInt32(v.AuxInt) != 4 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 { + break + } + idx0 := v_0.Args[1] + ptr0 := v_0.Args[0] + if v_1.Op != OpARM64SRLconst { + break + } + j := auxIntToInt64(v_1.AuxInt) + w := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVWstoreidx4 { + break + } + mem := x.Args[3] + ptr1 := x.Args[0] + idx1 := x.Args[1] + w0 := x.Args[2] + if w0.Op != OpARM64SRLconst || auxIntToInt64(w0.AuxInt) != j-32 || w != w0.Args[0] || !(x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x)) { + break + } + v.reset(OpARM64MOVDstoreidx) + v0 := b.NewValue0(v.Pos, OpARM64SLLconst, idx1.Type) + v0.AuxInt = int64ToAuxInt(2) + v0.AddArg(idx1) + v.AddArg4(ptr1, v0, w0, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVWstoreidx(v *Value) bool { + v_3 := v.Args[3] + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MOVWstoreidx ptr (MOVDconst [c]) val mem) + // cond: is32Bit(c) + // result: (MOVWstore [int32(c)] ptr val mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + val := v_2 + mem := v_3 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVWstore) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg3(ptr, val, mem) + return true + } + // match: (MOVWstoreidx (MOVDconst [c]) idx val mem) + // cond: is32Bit(c) + // result: (MOVWstore [int32(c)] idx val mem) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + idx := v_1 + val := v_2 + mem := v_3 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVWstore) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg3(idx, val, mem) + return true + } + // match: (MOVWstoreidx ptr (SLLconst [2] idx) val mem) + // result: (MOVWstoreidx4 ptr idx val mem) + for { + ptr := v_0 + if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 { + break + } + idx := v_1.Args[0] + val := v_2 + mem := v_3 + v.reset(OpARM64MOVWstoreidx4) + v.AddArg4(ptr, idx, val, mem) + return true + } + // match: (MOVWstoreidx (SLLconst [2] idx) ptr val mem) + // result: (MOVWstoreidx4 ptr idx val mem) + for { + if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 { + break + } + idx := v_0.Args[0] + ptr := v_1 + val := v_2 + mem := v_3 + v.reset(OpARM64MOVWstoreidx4) + v.AddArg4(ptr, idx, val, mem) + return true + } + // match: (MOVWstoreidx ptr idx (MOVDconst [0]) mem) + // result: (MOVWstorezeroidx ptr idx mem) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 { + break + } + mem := v_3 + v.reset(OpARM64MOVWstorezeroidx) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVWstoreidx ptr idx (MOVWreg x) mem) + // result: (MOVWstoreidx ptr idx x mem) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVWreg { + break + } + x := v_2.Args[0] + mem := v_3 + v.reset(OpARM64MOVWstoreidx) + v.AddArg4(ptr, idx, x, mem) + return true + } + // match: (MOVWstoreidx ptr idx (MOVWUreg x) mem) + // result: (MOVWstoreidx ptr idx x mem) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVWUreg { + break + } + x := v_2.Args[0] + mem := v_3 + v.reset(OpARM64MOVWstoreidx) + v.AddArg4(ptr, idx, x, mem) + return true + } + // match: (MOVWstoreidx ptr (ADDconst [4] idx) (SRLconst [32] w) x:(MOVWstoreidx ptr idx w mem)) + // cond: x.Uses == 1 && clobber(x) + // result: (MOVDstoreidx ptr idx w mem) + for { + ptr := v_0 + if v_1.Op != OpARM64ADDconst || auxIntToInt64(v_1.AuxInt) != 4 { + break + } + idx := v_1.Args[0] + if v_2.Op != OpARM64SRLconst || auxIntToInt64(v_2.AuxInt) != 32 { + break + } + w := v_2.Args[0] + x := v_3 + if x.Op != OpARM64MOVWstoreidx { + break + } + mem := x.Args[3] + if ptr != x.Args[0] || idx != x.Args[1] || w != x.Args[2] || !(x.Uses == 1 && clobber(x)) { + break + } + v.reset(OpARM64MOVDstoreidx) + v.AddArg4(ptr, idx, w, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVWstoreidx4(v *Value) bool { + v_3 := v.Args[3] + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MOVWstoreidx4 ptr (MOVDconst [c]) val mem) + // cond: is32Bit(c<<2) + // result: (MOVWstore [int32(c)<<2] ptr val mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + val := v_2 + mem := v_3 + if !(is32Bit(c << 2)) { + break + } + v.reset(OpARM64MOVWstore) + v.AuxInt = int32ToAuxInt(int32(c) << 2) + v.AddArg3(ptr, val, mem) + return true + } + // match: (MOVWstoreidx4 ptr idx (MOVDconst [0]) mem) + // result: (MOVWstorezeroidx4 ptr idx mem) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 { + break + } + mem := v_3 + v.reset(OpARM64MOVWstorezeroidx4) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVWstoreidx4 ptr idx (MOVWreg x) mem) + // result: (MOVWstoreidx4 ptr idx x mem) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVWreg { + break + } + x := v_2.Args[0] + mem := v_3 + v.reset(OpARM64MOVWstoreidx4) + v.AddArg4(ptr, idx, x, mem) + return true + } + // match: (MOVWstoreidx4 ptr idx (MOVWUreg x) mem) + // result: (MOVWstoreidx4 ptr idx x mem) + for { + ptr := v_0 + idx := v_1 + if v_2.Op != OpARM64MOVWUreg { + break + } + x := v_2.Args[0] + mem := v_3 + v.reset(OpARM64MOVWstoreidx4) + v.AddArg4(ptr, idx, x, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVWstorezero(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + config := b.Func.Config + // match: (MOVWstorezero [off1] {sym} (ADDconst [off2] ptr) mem) + // cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVWstorezero [off1+int32(off2)] {sym} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDconst { + break + } + off2 := auxIntToInt64(v_0.AuxInt) + ptr := v_0.Args[0] + mem := v_1 + if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVWstorezero) + v.AuxInt = int32ToAuxInt(off1 + int32(off2)) + v.Aux = symToAux(sym) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVWstorezero [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) mem) + // cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (MOVWstorezero [off1+off2] {mergeSym(sym1,sym2)} ptr mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym1 := auxToSym(v.Aux) + if v_0.Op != OpARM64MOVDaddr { + break + } + off2 := auxIntToInt32(v_0.AuxInt) + sym2 := auxToSym(v_0.Aux) + ptr := v_0.Args[0] + mem := v_1 + if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64MOVWstorezero) + v.AuxInt = int32ToAuxInt(off1 + off2) + v.Aux = symToAux(mergeSym(sym1, sym2)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVWstorezero [off] {sym} (ADD ptr idx) mem) + // cond: off == 0 && sym == nil + // result: (MOVWstorezeroidx ptr idx mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + mem := v_1 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64MOVWstorezeroidx) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVWstorezero [off] {sym} (ADDshiftLL [2] ptr idx) mem) + // cond: off == 0 && sym == nil + // result: (MOVWstorezeroidx4 ptr idx mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 { + break + } + idx := v_0.Args[1] + ptr := v_0.Args[0] + mem := v_1 + if !(off == 0 && sym == nil) { + break + } + v.reset(OpARM64MOVWstorezeroidx4) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVWstorezero [i] {s} ptr0 x:(MOVWstorezero [j] {s} ptr1 mem)) + // cond: x.Uses == 1 && areAdjacentOffsets(int64(i),int64(j),4) && isSamePtr(ptr0, ptr1) && clobber(x) + // result: (MOVDstorezero [int32(min(int64(i),int64(j)))] {s} ptr0 mem) + for { + i := auxIntToInt32(v.AuxInt) + s := auxToSym(v.Aux) + ptr0 := v_0 + x := v_1 + if x.Op != OpARM64MOVWstorezero { + break + } + j := auxIntToInt32(x.AuxInt) + if auxToSym(x.Aux) != s { + break + } + mem := x.Args[1] + ptr1 := x.Args[0] + if !(x.Uses == 1 && areAdjacentOffsets(int64(i), int64(j), 4) && isSamePtr(ptr0, ptr1) && clobber(x)) { + break + } + v.reset(OpARM64MOVDstorezero) + v.AuxInt = int32ToAuxInt(int32(min(int64(i), int64(j)))) + v.Aux = symToAux(s) + v.AddArg2(ptr0, mem) + return true + } + // match: (MOVWstorezero [4] {s} (ADD ptr0 idx0) x:(MOVWstorezeroidx ptr1 idx1 mem)) + // cond: x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x) + // result: (MOVDstorezeroidx ptr1 idx1 mem) + for { + if auxIntToInt32(v.AuxInt) != 4 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADD { + break + } + _ = v_0.Args[1] + v_0_0 := v_0.Args[0] + v_0_1 := v_0.Args[1] + for _i0 := 0; _i0 <= 1; _i0, v_0_0, v_0_1 = _i0+1, v_0_1, v_0_0 { + ptr0 := v_0_0 + idx0 := v_0_1 + x := v_1 + if x.Op != OpARM64MOVWstorezeroidx { + continue + } + mem := x.Args[2] + ptr1 := x.Args[0] + idx1 := x.Args[1] + if !(x.Uses == 1 && s == nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x)) { + continue + } + v.reset(OpARM64MOVDstorezeroidx) + v.AddArg3(ptr1, idx1, mem) + return true + } + break + } + // match: (MOVWstorezero [4] {s} (ADDshiftLL [2] ptr0 idx0) x:(MOVWstorezeroidx4 ptr1 idx1 mem)) + // cond: x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x) + // result: (MOVDstorezeroidx ptr1 (SLLconst <idx1.Type> [2] idx1) mem) + for { + if auxIntToInt32(v.AuxInt) != 4 { + break + } + s := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDshiftLL || auxIntToInt64(v_0.AuxInt) != 2 { + break + } + idx0 := v_0.Args[1] + ptr0 := v_0.Args[0] + x := v_1 + if x.Op != OpARM64MOVWstorezeroidx4 { + break + } + mem := x.Args[2] + ptr1 := x.Args[0] + idx1 := x.Args[1] + if !(x.Uses == 1 && s == nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && clobber(x)) { + break + } + v.reset(OpARM64MOVDstorezeroidx) + v0 := b.NewValue0(v.Pos, OpARM64SLLconst, idx1.Type) + v0.AuxInt = int64ToAuxInt(2) + v0.AddArg(idx1) + v.AddArg3(ptr1, v0, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVWstorezeroidx(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MOVWstorezeroidx ptr (MOVDconst [c]) mem) + // cond: is32Bit(c) + // result: (MOVWstorezero [int32(c)] ptr mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + mem := v_2 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVWstorezero) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg2(ptr, mem) + return true + } + // match: (MOVWstorezeroidx (MOVDconst [c]) idx mem) + // cond: is32Bit(c) + // result: (MOVWstorezero [int32(c)] idx mem) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + idx := v_1 + mem := v_2 + if !(is32Bit(c)) { + break + } + v.reset(OpARM64MOVWstorezero) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg2(idx, mem) + return true + } + // match: (MOVWstorezeroidx ptr (SLLconst [2] idx) mem) + // result: (MOVWstorezeroidx4 ptr idx mem) + for { + ptr := v_0 + if v_1.Op != OpARM64SLLconst || auxIntToInt64(v_1.AuxInt) != 2 { + break + } + idx := v_1.Args[0] + mem := v_2 + v.reset(OpARM64MOVWstorezeroidx4) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVWstorezeroidx (SLLconst [2] idx) ptr mem) + // result: (MOVWstorezeroidx4 ptr idx mem) + for { + if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 2 { + break + } + idx := v_0.Args[0] + ptr := v_1 + mem := v_2 + v.reset(OpARM64MOVWstorezeroidx4) + v.AddArg3(ptr, idx, mem) + return true + } + // match: (MOVWstorezeroidx ptr (ADDconst [4] idx) x:(MOVWstorezeroidx ptr idx mem)) + // cond: x.Uses == 1 && clobber(x) + // result: (MOVDstorezeroidx ptr idx mem) + for { + ptr := v_0 + if v_1.Op != OpARM64ADDconst || auxIntToInt64(v_1.AuxInt) != 4 { + break + } + idx := v_1.Args[0] + x := v_2 + if x.Op != OpARM64MOVWstorezeroidx { + break + } + mem := x.Args[2] + if ptr != x.Args[0] || idx != x.Args[1] || !(x.Uses == 1 && clobber(x)) { + break + } + v.reset(OpARM64MOVDstorezeroidx) + v.AddArg3(ptr, idx, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64MOVWstorezeroidx4(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (MOVWstorezeroidx4 ptr (MOVDconst [c]) mem) + // cond: is32Bit(c<<2) + // result: (MOVWstorezero [int32(c<<2)] ptr mem) + for { + ptr := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + mem := v_2 + if !(is32Bit(c << 2)) { + break + } + v.reset(OpARM64MOVWstorezero) + v.AuxInt = int32ToAuxInt(int32(c << 2)) + v.AddArg2(ptr, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64MSUB(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (MSUB a x (MOVDconst [-1])) + // result: (ADD a x) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != -1 { + break + } + v.reset(OpARM64ADD) + v.AddArg2(a, x) + return true + } + // match: (MSUB a _ (MOVDconst [0])) + // result: a + for { + a := v_0 + if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 { + break + } + v.copyOf(a) + return true + } + // match: (MSUB a x (MOVDconst [1])) + // result: (SUB a x) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 1 { + break + } + v.reset(OpARM64SUB) + v.AddArg2(a, x) + return true + } + // match: (MSUB a x (MOVDconst [c])) + // cond: isPowerOfTwo64(c) + // result: (SUBshiftLL a x [log64(c)]) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(isPowerOfTwo64(c)) { + break + } + v.reset(OpARM64SUBshiftLL) + v.AuxInt = int64ToAuxInt(log64(c)) + v.AddArg2(a, x) + return true + } + // match: (MSUB a x (MOVDconst [c])) + // cond: isPowerOfTwo64(c-1) && c>=3 + // result: (SUB a (ADDshiftLL <x.Type> x x [log64(c-1)])) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(isPowerOfTwo64(c-1) && c >= 3) { + break + } + v.reset(OpARM64SUB) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(log64(c - 1)) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MSUB a x (MOVDconst [c])) + // cond: isPowerOfTwo64(c+1) && c>=7 + // result: (ADD a (SUBshiftLL <x.Type> x x [log64(c+1)])) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(isPowerOfTwo64(c+1) && c >= 7) { + break + } + v.reset(OpARM64ADD) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(log64(c + 1)) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MSUB a x (MOVDconst [c])) + // cond: c%3 == 0 && isPowerOfTwo64(c/3) + // result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(c%3 == 0 && isPowerOfTwo64(c/3)) { + break + } + v.reset(OpARM64ADDshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 3)) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(2) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MSUB a x (MOVDconst [c])) + // cond: c%5 == 0 && isPowerOfTwo64(c/5) + // result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(c%5 == 0 && isPowerOfTwo64(c/5)) { + break + } + v.reset(OpARM64SUBshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 5)) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(2) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MSUB a x (MOVDconst [c])) + // cond: c%7 == 0 && isPowerOfTwo64(c/7) + // result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(c%7 == 0 && isPowerOfTwo64(c/7)) { + break + } + v.reset(OpARM64ADDshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 7)) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(3) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MSUB a x (MOVDconst [c])) + // cond: c%9 == 0 && isPowerOfTwo64(c/9) + // result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(c%9 == 0 && isPowerOfTwo64(c/9)) { + break + } + v.reset(OpARM64SUBshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 9)) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(3) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MSUB a (MOVDconst [-1]) x) + // result: (ADD a x) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 { + break + } + x := v_2 + v.reset(OpARM64ADD) + v.AddArg2(a, x) + return true + } + // match: (MSUB a (MOVDconst [0]) _) + // result: a + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 { + break + } + v.copyOf(a) + return true + } + // match: (MSUB a (MOVDconst [1]) x) + // result: (SUB a x) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 { + break + } + x := v_2 + v.reset(OpARM64SUB) + v.AddArg2(a, x) + return true + } + // match: (MSUB a (MOVDconst [c]) x) + // cond: isPowerOfTwo64(c) + // result: (SUBshiftLL a x [log64(c)]) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(isPowerOfTwo64(c)) { + break + } + v.reset(OpARM64SUBshiftLL) + v.AuxInt = int64ToAuxInt(log64(c)) + v.AddArg2(a, x) + return true + } + // match: (MSUB a (MOVDconst [c]) x) + // cond: isPowerOfTwo64(c-1) && c>=3 + // result: (SUB a (ADDshiftLL <x.Type> x x [log64(c-1)])) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(isPowerOfTwo64(c-1) && c >= 3) { + break + } + v.reset(OpARM64SUB) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(log64(c - 1)) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MSUB a (MOVDconst [c]) x) + // cond: isPowerOfTwo64(c+1) && c>=7 + // result: (ADD a (SUBshiftLL <x.Type> x x [log64(c+1)])) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(isPowerOfTwo64(c+1) && c >= 7) { + break + } + v.reset(OpARM64ADD) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(log64(c + 1)) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MSUB a (MOVDconst [c]) x) + // cond: c%3 == 0 && isPowerOfTwo64(c/3) + // result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(c%3 == 0 && isPowerOfTwo64(c/3)) { + break + } + v.reset(OpARM64ADDshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 3)) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(2) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MSUB a (MOVDconst [c]) x) + // cond: c%5 == 0 && isPowerOfTwo64(c/5) + // result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(c%5 == 0 && isPowerOfTwo64(c/5)) { + break + } + v.reset(OpARM64SUBshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 5)) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(2) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MSUB a (MOVDconst [c]) x) + // cond: c%7 == 0 && isPowerOfTwo64(c/7) + // result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(c%7 == 0 && isPowerOfTwo64(c/7)) { + break + } + v.reset(OpARM64ADDshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 7)) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(3) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MSUB a (MOVDconst [c]) x) + // cond: c%9 == 0 && isPowerOfTwo64(c/9) + // result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(c%9 == 0 && isPowerOfTwo64(c/9)) { + break + } + v.reset(OpARM64SUBshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 9)) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(3) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MSUB (MOVDconst [c]) x y) + // result: (ADDconst [c] (MNEG <x.Type> x y)) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + y := v_2 + v.reset(OpARM64ADDconst) + v.AuxInt = int64ToAuxInt(c) + v0 := b.NewValue0(v.Pos, OpARM64MNEG, x.Type) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } + // match: (MSUB a (MOVDconst [c]) (MOVDconst [d])) + // result: (SUBconst [c*d] a) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + if v_2.Op != OpARM64MOVDconst { + break + } + d := auxIntToInt64(v_2.AuxInt) + v.reset(OpARM64SUBconst) + v.AuxInt = int64ToAuxInt(c * d) + v.AddArg(a) + return true + } + return false +} +func rewriteValueARM64_OpARM64MSUBW(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (MSUBW a x (MOVDconst [c])) + // cond: int32(c)==-1 + // result: (ADD a x) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(int32(c) == -1) { + break + } + v.reset(OpARM64ADD) + v.AddArg2(a, x) + return true + } + // match: (MSUBW a _ (MOVDconst [c])) + // cond: int32(c)==0 + // result: a + for { + a := v_0 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(int32(c) == 0) { + break + } + v.copyOf(a) + return true + } + // match: (MSUBW a x (MOVDconst [c])) + // cond: int32(c)==1 + // result: (SUB a x) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(int32(c) == 1) { + break + } + v.reset(OpARM64SUB) + v.AddArg2(a, x) + return true + } + // match: (MSUBW a x (MOVDconst [c])) + // cond: isPowerOfTwo64(c) + // result: (SUBshiftLL a x [log64(c)]) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(isPowerOfTwo64(c)) { + break + } + v.reset(OpARM64SUBshiftLL) + v.AuxInt = int64ToAuxInt(log64(c)) + v.AddArg2(a, x) + return true + } + // match: (MSUBW a x (MOVDconst [c])) + // cond: isPowerOfTwo64(c-1) && int32(c)>=3 + // result: (SUB a (ADDshiftLL <x.Type> x x [log64(c-1)])) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(isPowerOfTwo64(c-1) && int32(c) >= 3) { + break + } + v.reset(OpARM64SUB) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(log64(c - 1)) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MSUBW a x (MOVDconst [c])) + // cond: isPowerOfTwo64(c+1) && int32(c)>=7 + // result: (ADD a (SUBshiftLL <x.Type> x x [log64(c+1)])) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(isPowerOfTwo64(c+1) && int32(c) >= 7) { + break + } + v.reset(OpARM64ADD) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(log64(c + 1)) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MSUBW a x (MOVDconst [c])) + // cond: c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c) + // result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)) { + break + } + v.reset(OpARM64ADDshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 3)) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(2) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MSUBW a x (MOVDconst [c])) + // cond: c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c) + // result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)) { + break + } + v.reset(OpARM64SUBshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 5)) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(2) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MSUBW a x (MOVDconst [c])) + // cond: c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c) + // result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)) { + break + } + v.reset(OpARM64ADDshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 7)) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(3) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MSUBW a x (MOVDconst [c])) + // cond: c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c) + // result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]) + for { + a := v_0 + x := v_1 + if v_2.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_2.AuxInt) + if !(c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)) { + break + } + v.reset(OpARM64SUBshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 9)) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(3) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MSUBW a (MOVDconst [c]) x) + // cond: int32(c)==-1 + // result: (ADD a x) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(int32(c) == -1) { + break + } + v.reset(OpARM64ADD) + v.AddArg2(a, x) + return true + } + // match: (MSUBW a (MOVDconst [c]) _) + // cond: int32(c)==0 + // result: a + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + if !(int32(c) == 0) { + break + } + v.copyOf(a) + return true + } + // match: (MSUBW a (MOVDconst [c]) x) + // cond: int32(c)==1 + // result: (SUB a x) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(int32(c) == 1) { + break + } + v.reset(OpARM64SUB) + v.AddArg2(a, x) + return true + } + // match: (MSUBW a (MOVDconst [c]) x) + // cond: isPowerOfTwo64(c) + // result: (SUBshiftLL a x [log64(c)]) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(isPowerOfTwo64(c)) { + break + } + v.reset(OpARM64SUBshiftLL) + v.AuxInt = int64ToAuxInt(log64(c)) + v.AddArg2(a, x) + return true + } + // match: (MSUBW a (MOVDconst [c]) x) + // cond: isPowerOfTwo64(c-1) && int32(c)>=3 + // result: (SUB a (ADDshiftLL <x.Type> x x [log64(c-1)])) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(isPowerOfTwo64(c-1) && int32(c) >= 3) { + break + } + v.reset(OpARM64SUB) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(log64(c - 1)) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MSUBW a (MOVDconst [c]) x) + // cond: isPowerOfTwo64(c+1) && int32(c)>=7 + // result: (ADD a (SUBshiftLL <x.Type> x x [log64(c+1)])) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(isPowerOfTwo64(c+1) && int32(c) >= 7) { + break + } + v.reset(OpARM64ADD) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(log64(c + 1)) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MSUBW a (MOVDconst [c]) x) + // cond: c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c) + // result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [2]) [log64(c/3)]) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)) { + break + } + v.reset(OpARM64ADDshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 3)) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(2) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MSUBW a (MOVDconst [c]) x) + // cond: c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c) + // result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [2]) [log64(c/5)]) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)) { + break + } + v.reset(OpARM64SUBshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 5)) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(2) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MSUBW a (MOVDconst [c]) x) + // cond: c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c) + // result: (ADDshiftLL a (SUBshiftLL <x.Type> x x [3]) [log64(c/7)]) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)) { + break + } + v.reset(OpARM64ADDshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 7)) + v0 := b.NewValue0(v.Pos, OpARM64SUBshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(3) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MSUBW a (MOVDconst [c]) x) + // cond: c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c) + // result: (SUBshiftLL a (ADDshiftLL <x.Type> x x [3]) [log64(c/9)]) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + x := v_2 + if !(c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)) { + break + } + v.reset(OpARM64SUBshiftLL) + v.AuxInt = int64ToAuxInt(log64(c / 9)) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(3) + v0.AddArg2(x, x) + v.AddArg2(a, v0) + return true + } + // match: (MSUBW (MOVDconst [c]) x y) + // result: (ADDconst [c] (MNEGW <x.Type> x y)) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + y := v_2 + v.reset(OpARM64ADDconst) + v.AuxInt = int64ToAuxInt(c) + v0 := b.NewValue0(v.Pos, OpARM64MNEGW, x.Type) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } + // match: (MSUBW a (MOVDconst [c]) (MOVDconst [d])) + // result: (SUBconst [int64(int32(c)*int32(d))] a) + for { + a := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + if v_2.Op != OpARM64MOVDconst { + break + } + d := auxIntToInt64(v_2.AuxInt) + v.reset(OpARM64SUBconst) + v.AuxInt = int64ToAuxInt(int64(int32(c) * int32(d))) + v.AddArg(a) + return true + } + return false +} +func rewriteValueARM64_OpARM64MUL(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (MUL (NEG x) y) + // result: (MNEG x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpARM64NEG { + continue + } + x := v_0.Args[0] + y := v_1 + v.reset(OpARM64MNEG) + v.AddArg2(x, y) + return true + } + break + } + // match: (MUL x (MOVDconst [-1])) + // result: (NEG x) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != -1 { + continue + } + v.reset(OpARM64NEG) + v.AddArg(x) + return true + } + break + } + // match: (MUL _ (MOVDconst [0])) + // result: (MOVDconst [0]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 { + continue + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + break + } + // match: (MUL x (MOVDconst [1])) + // result: x + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 { + continue + } + v.copyOf(x) + return true + } + break + } + // match: (MUL x (MOVDconst [c])) + // cond: isPowerOfTwo64(c) + // result: (SLLconst [log64(c)] x) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(isPowerOfTwo64(c)) { + continue + } + v.reset(OpARM64SLLconst) + v.AuxInt = int64ToAuxInt(log64(c)) + v.AddArg(x) + return true + } + break + } + // match: (MUL x (MOVDconst [c])) + // cond: isPowerOfTwo64(c-1) && c >= 3 + // result: (ADDshiftLL x x [log64(c-1)]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(isPowerOfTwo64(c-1) && c >= 3) { + continue + } + v.reset(OpARM64ADDshiftLL) + v.AuxInt = int64ToAuxInt(log64(c - 1)) + v.AddArg2(x, x) + return true + } + break + } + // match: (MUL x (MOVDconst [c])) + // cond: isPowerOfTwo64(c+1) && c >= 7 + // result: (ADDshiftLL (NEG <x.Type> x) x [log64(c+1)]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(isPowerOfTwo64(c+1) && c >= 7) { + continue + } + v.reset(OpARM64ADDshiftLL) + v.AuxInt = int64ToAuxInt(log64(c + 1)) + v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type) + v0.AddArg(x) + v.AddArg2(v0, x) + return true + } + break + } + // match: (MUL x (MOVDconst [c])) + // cond: c%3 == 0 && isPowerOfTwo64(c/3) + // result: (SLLconst [log64(c/3)] (ADDshiftLL <x.Type> x x [1])) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(c%3 == 0 && isPowerOfTwo64(c/3)) { + continue + } + v.reset(OpARM64SLLconst) + v.AuxInt = int64ToAuxInt(log64(c / 3)) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(1) + v0.AddArg2(x, x) + v.AddArg(v0) + return true + } + break + } + // match: (MUL x (MOVDconst [c])) + // cond: c%5 == 0 && isPowerOfTwo64(c/5) + // result: (SLLconst [log64(c/5)] (ADDshiftLL <x.Type> x x [2])) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(c%5 == 0 && isPowerOfTwo64(c/5)) { + continue + } + v.reset(OpARM64SLLconst) + v.AuxInt = int64ToAuxInt(log64(c / 5)) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(2) + v0.AddArg2(x, x) + v.AddArg(v0) + return true + } + break + } + // match: (MUL x (MOVDconst [c])) + // cond: c%7 == 0 && isPowerOfTwo64(c/7) + // result: (SLLconst [log64(c/7)] (ADDshiftLL <x.Type> (NEG <x.Type> x) x [3])) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(c%7 == 0 && isPowerOfTwo64(c/7)) { + continue + } + v.reset(OpARM64SLLconst) + v.AuxInt = int64ToAuxInt(log64(c / 7)) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(3) + v1 := b.NewValue0(v.Pos, OpARM64NEG, x.Type) + v1.AddArg(x) + v0.AddArg2(v1, x) + v.AddArg(v0) + return true + } + break + } + // match: (MUL x (MOVDconst [c])) + // cond: c%9 == 0 && isPowerOfTwo64(c/9) + // result: (SLLconst [log64(c/9)] (ADDshiftLL <x.Type> x x [3])) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(c%9 == 0 && isPowerOfTwo64(c/9)) { + continue + } + v.reset(OpARM64SLLconst) + v.AuxInt = int64ToAuxInt(log64(c / 9)) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(3) + v0.AddArg2(x, x) + v.AddArg(v0) + return true + } + break + } + // match: (MUL (MOVDconst [c]) (MOVDconst [d])) + // result: (MOVDconst [c*d]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_0.AuxInt) + if v_1.Op != OpARM64MOVDconst { + continue + } + d := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(c * d) + return true + } + break + } + return false +} +func rewriteValueARM64_OpARM64MULW(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (MULW (NEG x) y) + // result: (MNEGW x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpARM64NEG { + continue + } + x := v_0.Args[0] + y := v_1 + v.reset(OpARM64MNEGW) + v.AddArg2(x, y) + return true + } + break + } + // match: (MULW x (MOVDconst [c])) + // cond: int32(c)==-1 + // result: (NEG x) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(int32(c) == -1) { + continue + } + v.reset(OpARM64NEG) + v.AddArg(x) + return true + } + break + } + // match: (MULW _ (MOVDconst [c])) + // cond: int32(c)==0 + // result: (MOVDconst [0]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(int32(c) == 0) { + continue + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + break + } + // match: (MULW x (MOVDconst [c])) + // cond: int32(c)==1 + // result: x + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(int32(c) == 1) { + continue + } + v.copyOf(x) + return true + } + break + } + // match: (MULW x (MOVDconst [c])) + // cond: isPowerOfTwo64(c) + // result: (SLLconst [log64(c)] x) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(isPowerOfTwo64(c)) { + continue + } + v.reset(OpARM64SLLconst) + v.AuxInt = int64ToAuxInt(log64(c)) + v.AddArg(x) + return true + } + break + } + // match: (MULW x (MOVDconst [c])) + // cond: isPowerOfTwo64(c-1) && int32(c) >= 3 + // result: (ADDshiftLL x x [log64(c-1)]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(isPowerOfTwo64(c-1) && int32(c) >= 3) { + continue + } + v.reset(OpARM64ADDshiftLL) + v.AuxInt = int64ToAuxInt(log64(c - 1)) + v.AddArg2(x, x) + return true + } + break + } + // match: (MULW x (MOVDconst [c])) + // cond: isPowerOfTwo64(c+1) && int32(c) >= 7 + // result: (ADDshiftLL (NEG <x.Type> x) x [log64(c+1)]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(isPowerOfTwo64(c+1) && int32(c) >= 7) { + continue + } + v.reset(OpARM64ADDshiftLL) + v.AuxInt = int64ToAuxInt(log64(c + 1)) + v0 := b.NewValue0(v.Pos, OpARM64NEG, x.Type) + v0.AddArg(x) + v.AddArg2(v0, x) + return true + } + break + } + // match: (MULW x (MOVDconst [c])) + // cond: c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c) + // result: (SLLconst [log64(c/3)] (ADDshiftLL <x.Type> x x [1])) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(c%3 == 0 && isPowerOfTwo64(c/3) && is32Bit(c)) { + continue + } + v.reset(OpARM64SLLconst) + v.AuxInt = int64ToAuxInt(log64(c / 3)) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(1) + v0.AddArg2(x, x) + v.AddArg(v0) + return true + } + break + } + // match: (MULW x (MOVDconst [c])) + // cond: c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c) + // result: (SLLconst [log64(c/5)] (ADDshiftLL <x.Type> x x [2])) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(c%5 == 0 && isPowerOfTwo64(c/5) && is32Bit(c)) { + continue + } + v.reset(OpARM64SLLconst) + v.AuxInt = int64ToAuxInt(log64(c / 5)) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(2) + v0.AddArg2(x, x) + v.AddArg(v0) + return true + } + break + } + // match: (MULW x (MOVDconst [c])) + // cond: c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c) + // result: (SLLconst [log64(c/7)] (ADDshiftLL <x.Type> (NEG <x.Type> x) x [3])) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(c%7 == 0 && isPowerOfTwo64(c/7) && is32Bit(c)) { + continue + } + v.reset(OpARM64SLLconst) + v.AuxInt = int64ToAuxInt(log64(c / 7)) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(3) + v1 := b.NewValue0(v.Pos, OpARM64NEG, x.Type) + v1.AddArg(x) + v0.AddArg2(v1, x) + v.AddArg(v0) + return true + } + break + } + // match: (MULW x (MOVDconst [c])) + // cond: c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c) + // result: (SLLconst [log64(c/9)] (ADDshiftLL <x.Type> x x [3])) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + if !(c%9 == 0 && isPowerOfTwo64(c/9) && is32Bit(c)) { + continue + } + v.reset(OpARM64SLLconst) + v.AuxInt = int64ToAuxInt(log64(c / 9)) + v0 := b.NewValue0(v.Pos, OpARM64ADDshiftLL, x.Type) + v0.AuxInt = int64ToAuxInt(3) + v0.AddArg2(x, x) + v.AddArg(v0) + return true + } + break + } + // match: (MULW (MOVDconst [c]) (MOVDconst [d])) + // result: (MOVDconst [int64(int32(c)*int32(d))]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_0.AuxInt) + if v_1.Op != OpARM64MOVDconst { + continue + } + d := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(int64(int32(c) * int32(d))) + return true + } + break + } + return false +} +func rewriteValueARM64_OpARM64MVN(v *Value) bool { + v_0 := v.Args[0] + // match: (MVN (XOR x y)) + // result: (EON x y) + for { + if v_0.Op != OpARM64XOR { + break + } + y := v_0.Args[1] + x := v_0.Args[0] + v.reset(OpARM64EON) + v.AddArg2(x, y) + return true + } + // match: (MVN (MOVDconst [c])) + // result: (MOVDconst [^c]) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(^c) + return true + } + // match: (MVN x:(SLLconst [c] y)) + // cond: clobberIfDead(x) + // result: (MVNshiftLL [c] y) + for { + x := v_0 + if x.Op != OpARM64SLLconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(clobberIfDead(x)) { + break + } + v.reset(OpARM64MVNshiftLL) + v.AuxInt = int64ToAuxInt(c) + v.AddArg(y) + return true + } + // match: (MVN x:(SRLconst [c] y)) + // cond: clobberIfDead(x) + // result: (MVNshiftRL [c] y) + for { + x := v_0 + if x.Op != OpARM64SRLconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(clobberIfDead(x)) { + break + } + v.reset(OpARM64MVNshiftRL) + v.AuxInt = int64ToAuxInt(c) + v.AddArg(y) + return true + } + // match: (MVN x:(SRAconst [c] y)) + // cond: clobberIfDead(x) + // result: (MVNshiftRA [c] y) + for { + x := v_0 + if x.Op != OpARM64SRAconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(clobberIfDead(x)) { + break + } + v.reset(OpARM64MVNshiftRA) + v.AuxInt = int64ToAuxInt(c) + v.AddArg(y) + return true + } + // match: (MVN x:(RORconst [c] y)) + // cond: clobberIfDead(x) + // result: (MVNshiftRO [c] y) + for { + x := v_0 + if x.Op != OpARM64RORconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(clobberIfDead(x)) { + break + } + v.reset(OpARM64MVNshiftRO) + v.AuxInt = int64ToAuxInt(c) + v.AddArg(y) + return true + } + return false +} +func rewriteValueARM64_OpARM64MVNshiftLL(v *Value) bool { + v_0 := v.Args[0] + // match: (MVNshiftLL (MOVDconst [c]) [d]) + // result: (MOVDconst [^int64(uint64(c)<<uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(^int64(uint64(c) << uint64(d))) + return true + } + return false +} +func rewriteValueARM64_OpARM64MVNshiftRA(v *Value) bool { + v_0 := v.Args[0] + // match: (MVNshiftRA (MOVDconst [c]) [d]) + // result: (MOVDconst [^(c>>uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(^(c >> uint64(d))) + return true + } + return false +} +func rewriteValueARM64_OpARM64MVNshiftRL(v *Value) bool { + v_0 := v.Args[0] + // match: (MVNshiftRL (MOVDconst [c]) [d]) + // result: (MOVDconst [^int64(uint64(c)>>uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(^int64(uint64(c) >> uint64(d))) + return true + } + return false +} +func rewriteValueARM64_OpARM64MVNshiftRO(v *Value) bool { + v_0 := v.Args[0] + // match: (MVNshiftRO (MOVDconst [c]) [d]) + // result: (MOVDconst [^rotateRight64(c, d)]) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(^rotateRight64(c, d)) + return true + } + return false +} +func rewriteValueARM64_OpARM64NEG(v *Value) bool { + v_0 := v.Args[0] + // match: (NEG (MUL x y)) + // result: (MNEG x y) + for { + if v_0.Op != OpARM64MUL { + break + } + y := v_0.Args[1] + x := v_0.Args[0] + v.reset(OpARM64MNEG) + v.AddArg2(x, y) + return true + } + // match: (NEG (MULW x y)) + // result: (MNEGW x y) + for { + if v_0.Op != OpARM64MULW { + break + } + y := v_0.Args[1] + x := v_0.Args[0] + v.reset(OpARM64MNEGW) + v.AddArg2(x, y) + return true + } + // match: (NEG (NEG x)) + // result: x + for { + if v_0.Op != OpARM64NEG { + break + } + x := v_0.Args[0] + v.copyOf(x) + return true + } + // match: (NEG (MOVDconst [c])) + // result: (MOVDconst [-c]) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(-c) + return true + } + // match: (NEG x:(SLLconst [c] y)) + // cond: clobberIfDead(x) + // result: (NEGshiftLL [c] y) + for { + x := v_0 + if x.Op != OpARM64SLLconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(clobberIfDead(x)) { + break + } + v.reset(OpARM64NEGshiftLL) + v.AuxInt = int64ToAuxInt(c) + v.AddArg(y) + return true + } + // match: (NEG x:(SRLconst [c] y)) + // cond: clobberIfDead(x) + // result: (NEGshiftRL [c] y) + for { + x := v_0 + if x.Op != OpARM64SRLconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(clobberIfDead(x)) { + break + } + v.reset(OpARM64NEGshiftRL) + v.AuxInt = int64ToAuxInt(c) + v.AddArg(y) + return true + } + // match: (NEG x:(SRAconst [c] y)) + // cond: clobberIfDead(x) + // result: (NEGshiftRA [c] y) + for { + x := v_0 + if x.Op != OpARM64SRAconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(clobberIfDead(x)) { + break + } + v.reset(OpARM64NEGshiftRA) + v.AuxInt = int64ToAuxInt(c) + v.AddArg(y) + return true + } + return false +} +func rewriteValueARM64_OpARM64NEGshiftLL(v *Value) bool { + v_0 := v.Args[0] + // match: (NEGshiftLL (MOVDconst [c]) [d]) + // result: (MOVDconst [-int64(uint64(c)<<uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(-int64(uint64(c) << uint64(d))) + return true + } + return false +} +func rewriteValueARM64_OpARM64NEGshiftRA(v *Value) bool { + v_0 := v.Args[0] + // match: (NEGshiftRA (MOVDconst [c]) [d]) + // result: (MOVDconst [-(c>>uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(-(c >> uint64(d))) + return true + } + return false +} +func rewriteValueARM64_OpARM64NEGshiftRL(v *Value) bool { + v_0 := v.Args[0] + // match: (NEGshiftRL (MOVDconst [c]) [d]) + // result: (MOVDconst [-int64(uint64(c)>>uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(-int64(uint64(c) >> uint64(d))) + return true + } + return false +} +func rewriteValueARM64_OpARM64NotEqual(v *Value) bool { + v_0 := v.Args[0] + // match: (NotEqual (FlagConstant [fc])) + // result: (MOVDconst [b2i(fc.ne())]) + for { + if v_0.Op != OpARM64FlagConstant { + break + } + fc := auxIntToFlagConstant(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(b2i(fc.ne())) + return true + } + // match: (NotEqual (InvertFlags x)) + // result: (NotEqual x) + for { + if v_0.Op != OpARM64InvertFlags { + break + } + x := v_0.Args[0] + v.reset(OpARM64NotEqual) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64OR(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (OR x (MOVDconst [c])) + // result: (ORconst [c] x) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64ORconst) + v.AuxInt = int64ToAuxInt(c) + v.AddArg(x) + return true + } + break + } + // match: (OR x x) + // result: x + for { + x := v_0 + if x != v_1 { + break + } + v.copyOf(x) + return true + } + // match: (OR x (MVN y)) + // result: (ORN x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MVN { + continue + } + y := v_1.Args[0] + v.reset(OpARM64ORN) + v.AddArg2(x, y) + return true + } + break + } + // match: (OR x0 x1:(SLLconst [c] y)) + // cond: clobberIfDead(x1) + // result: (ORshiftLL x0 y [c]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SLLconst { + continue + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + continue + } + v.reset(OpARM64ORshiftLL) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + break + } + // match: (OR x0 x1:(SRLconst [c] y)) + // cond: clobberIfDead(x1) + // result: (ORshiftRL x0 y [c]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SRLconst { + continue + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + continue + } + v.reset(OpARM64ORshiftRL) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + break + } + // match: (OR x0 x1:(SRAconst [c] y)) + // cond: clobberIfDead(x1) + // result: (ORshiftRA x0 y [c]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SRAconst { + continue + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + continue + } + v.reset(OpARM64ORshiftRA) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + break + } + // match: (OR x0 x1:(RORconst [c] y)) + // cond: clobberIfDead(x1) + // result: (ORshiftRO x0 y [c]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64RORconst { + continue + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + continue + } + v.reset(OpARM64ORshiftRO) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + break + } + // match: (OR (SLL x (ANDconst <t> [63] y)) (CSEL0 <typ.UInt64> [cc] (SRL <typ.UInt64> x (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))) (CMPconst [64] (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))))) + // cond: cc == OpARM64LessThanU + // result: (ROR x (NEG <t> y)) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpARM64SLL { + continue + } + _ = v_0.Args[1] + x := v_0.Args[0] + v_0_1 := v_0.Args[1] + if v_0_1.Op != OpARM64ANDconst { + continue + } + t := v_0_1.Type + if auxIntToInt64(v_0_1.AuxInt) != 63 { + continue + } + y := v_0_1.Args[0] + if v_1.Op != OpARM64CSEL0 || v_1.Type != typ.UInt64 { + continue + } + cc := auxIntToOp(v_1.AuxInt) + _ = v_1.Args[1] + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpARM64SRL || v_1_0.Type != typ.UInt64 { + continue + } + _ = v_1_0.Args[1] + if x != v_1_0.Args[0] { + continue + } + v_1_0_1 := v_1_0.Args[1] + if v_1_0_1.Op != OpARM64SUB || v_1_0_1.Type != t { + continue + } + _ = v_1_0_1.Args[1] + v_1_0_1_0 := v_1_0_1.Args[0] + if v_1_0_1_0.Op != OpARM64MOVDconst || auxIntToInt64(v_1_0_1_0.AuxInt) != 64 { + continue + } + v_1_0_1_1 := v_1_0_1.Args[1] + if v_1_0_1_1.Op != OpARM64ANDconst || v_1_0_1_1.Type != t || auxIntToInt64(v_1_0_1_1.AuxInt) != 63 || y != v_1_0_1_1.Args[0] { + continue + } + v_1_1 := v_1.Args[1] + if v_1_1.Op != OpARM64CMPconst || auxIntToInt64(v_1_1.AuxInt) != 64 { + continue + } + v_1_1_0 := v_1_1.Args[0] + if v_1_1_0.Op != OpARM64SUB || v_1_1_0.Type != t { + continue + } + _ = v_1_1_0.Args[1] + v_1_1_0_0 := v_1_1_0.Args[0] + if v_1_1_0_0.Op != OpARM64MOVDconst || auxIntToInt64(v_1_1_0_0.AuxInt) != 64 { + continue + } + v_1_1_0_1 := v_1_1_0.Args[1] + if v_1_1_0_1.Op != OpARM64ANDconst || v_1_1_0_1.Type != t || auxIntToInt64(v_1_1_0_1.AuxInt) != 63 || y != v_1_1_0_1.Args[0] || !(cc == OpARM64LessThanU) { + continue + } + v.reset(OpARM64ROR) + v0 := b.NewValue0(v.Pos, OpARM64NEG, t) + v0.AddArg(y) + v.AddArg2(x, v0) + return true + } + break + } + // match: (OR (SRL <typ.UInt64> x (ANDconst <t> [63] y)) (CSEL0 <typ.UInt64> [cc] (SLL x (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))) (CMPconst [64] (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))))) + // cond: cc == OpARM64LessThanU + // result: (ROR x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpARM64SRL || v_0.Type != typ.UInt64 { + continue + } + _ = v_0.Args[1] + x := v_0.Args[0] + v_0_1 := v_0.Args[1] + if v_0_1.Op != OpARM64ANDconst { + continue + } + t := v_0_1.Type + if auxIntToInt64(v_0_1.AuxInt) != 63 { + continue + } + y := v_0_1.Args[0] + if v_1.Op != OpARM64CSEL0 || v_1.Type != typ.UInt64 { + continue + } + cc := auxIntToOp(v_1.AuxInt) + _ = v_1.Args[1] + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpARM64SLL { + continue + } + _ = v_1_0.Args[1] + if x != v_1_0.Args[0] { + continue + } + v_1_0_1 := v_1_0.Args[1] + if v_1_0_1.Op != OpARM64SUB || v_1_0_1.Type != t { + continue + } + _ = v_1_0_1.Args[1] + v_1_0_1_0 := v_1_0_1.Args[0] + if v_1_0_1_0.Op != OpARM64MOVDconst || auxIntToInt64(v_1_0_1_0.AuxInt) != 64 { + continue + } + v_1_0_1_1 := v_1_0_1.Args[1] + if v_1_0_1_1.Op != OpARM64ANDconst || v_1_0_1_1.Type != t || auxIntToInt64(v_1_0_1_1.AuxInt) != 63 || y != v_1_0_1_1.Args[0] { + continue + } + v_1_1 := v_1.Args[1] + if v_1_1.Op != OpARM64CMPconst || auxIntToInt64(v_1_1.AuxInt) != 64 { + continue + } + v_1_1_0 := v_1_1.Args[0] + if v_1_1_0.Op != OpARM64SUB || v_1_1_0.Type != t { + continue + } + _ = v_1_1_0.Args[1] + v_1_1_0_0 := v_1_1_0.Args[0] + if v_1_1_0_0.Op != OpARM64MOVDconst || auxIntToInt64(v_1_1_0_0.AuxInt) != 64 { + continue + } + v_1_1_0_1 := v_1_1_0.Args[1] + if v_1_1_0_1.Op != OpARM64ANDconst || v_1_1_0_1.Type != t || auxIntToInt64(v_1_1_0_1.AuxInt) != 63 || y != v_1_1_0_1.Args[0] || !(cc == OpARM64LessThanU) { + continue + } + v.reset(OpARM64ROR) + v.AddArg2(x, y) + return true + } + break + } + // match: (OR (SLL x (ANDconst <t> [31] y)) (CSEL0 <typ.UInt32> [cc] (SRL <typ.UInt32> (MOVWUreg x) (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))) (CMPconst [64] (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))))) + // cond: cc == OpARM64LessThanU + // result: (RORW x (NEG <t> y)) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpARM64SLL { + continue + } + _ = v_0.Args[1] + x := v_0.Args[0] + v_0_1 := v_0.Args[1] + if v_0_1.Op != OpARM64ANDconst { + continue + } + t := v_0_1.Type + if auxIntToInt64(v_0_1.AuxInt) != 31 { + continue + } + y := v_0_1.Args[0] + if v_1.Op != OpARM64CSEL0 || v_1.Type != typ.UInt32 { + continue + } + cc := auxIntToOp(v_1.AuxInt) + _ = v_1.Args[1] + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpARM64SRL || v_1_0.Type != typ.UInt32 { + continue + } + _ = v_1_0.Args[1] + v_1_0_0 := v_1_0.Args[0] + if v_1_0_0.Op != OpARM64MOVWUreg || x != v_1_0_0.Args[0] { + continue + } + v_1_0_1 := v_1_0.Args[1] + if v_1_0_1.Op != OpARM64SUB || v_1_0_1.Type != t { + continue + } + _ = v_1_0_1.Args[1] + v_1_0_1_0 := v_1_0_1.Args[0] + if v_1_0_1_0.Op != OpARM64MOVDconst || auxIntToInt64(v_1_0_1_0.AuxInt) != 32 { + continue + } + v_1_0_1_1 := v_1_0_1.Args[1] + if v_1_0_1_1.Op != OpARM64ANDconst || v_1_0_1_1.Type != t || auxIntToInt64(v_1_0_1_1.AuxInt) != 31 || y != v_1_0_1_1.Args[0] { + continue + } + v_1_1 := v_1.Args[1] + if v_1_1.Op != OpARM64CMPconst || auxIntToInt64(v_1_1.AuxInt) != 64 { + continue + } + v_1_1_0 := v_1_1.Args[0] + if v_1_1_0.Op != OpARM64SUB || v_1_1_0.Type != t { + continue + } + _ = v_1_1_0.Args[1] + v_1_1_0_0 := v_1_1_0.Args[0] + if v_1_1_0_0.Op != OpARM64MOVDconst || auxIntToInt64(v_1_1_0_0.AuxInt) != 32 { + continue + } + v_1_1_0_1 := v_1_1_0.Args[1] + if v_1_1_0_1.Op != OpARM64ANDconst || v_1_1_0_1.Type != t || auxIntToInt64(v_1_1_0_1.AuxInt) != 31 || y != v_1_1_0_1.Args[0] || !(cc == OpARM64LessThanU) { + continue + } + v.reset(OpARM64RORW) + v0 := b.NewValue0(v.Pos, OpARM64NEG, t) + v0.AddArg(y) + v.AddArg2(x, v0) + return true + } + break + } + // match: (OR (SRL <typ.UInt32> (MOVWUreg x) (ANDconst <t> [31] y)) (CSEL0 <typ.UInt32> [cc] (SLL x (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))) (CMPconst [64] (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))))) + // cond: cc == OpARM64LessThanU + // result: (RORW x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpARM64SRL || v_0.Type != typ.UInt32 { + continue + } + _ = v_0.Args[1] + v_0_0 := v_0.Args[0] + if v_0_0.Op != OpARM64MOVWUreg { + continue + } + x := v_0_0.Args[0] + v_0_1 := v_0.Args[1] + if v_0_1.Op != OpARM64ANDconst { + continue + } + t := v_0_1.Type + if auxIntToInt64(v_0_1.AuxInt) != 31 { + continue + } + y := v_0_1.Args[0] + if v_1.Op != OpARM64CSEL0 || v_1.Type != typ.UInt32 { + continue + } + cc := auxIntToOp(v_1.AuxInt) + _ = v_1.Args[1] + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpARM64SLL { + continue + } + _ = v_1_0.Args[1] + if x != v_1_0.Args[0] { + continue + } + v_1_0_1 := v_1_0.Args[1] + if v_1_0_1.Op != OpARM64SUB || v_1_0_1.Type != t { + continue + } + _ = v_1_0_1.Args[1] + v_1_0_1_0 := v_1_0_1.Args[0] + if v_1_0_1_0.Op != OpARM64MOVDconst || auxIntToInt64(v_1_0_1_0.AuxInt) != 32 { + continue + } + v_1_0_1_1 := v_1_0_1.Args[1] + if v_1_0_1_1.Op != OpARM64ANDconst || v_1_0_1_1.Type != t || auxIntToInt64(v_1_0_1_1.AuxInt) != 31 || y != v_1_0_1_1.Args[0] { + continue + } + v_1_1 := v_1.Args[1] + if v_1_1.Op != OpARM64CMPconst || auxIntToInt64(v_1_1.AuxInt) != 64 { + continue + } + v_1_1_0 := v_1_1.Args[0] + if v_1_1_0.Op != OpARM64SUB || v_1_1_0.Type != t { + continue + } + _ = v_1_1_0.Args[1] + v_1_1_0_0 := v_1_1_0.Args[0] + if v_1_1_0_0.Op != OpARM64MOVDconst || auxIntToInt64(v_1_1_0_0.AuxInt) != 32 { + continue + } + v_1_1_0_1 := v_1_1_0.Args[1] + if v_1_1_0_1.Op != OpARM64ANDconst || v_1_1_0_1.Type != t || auxIntToInt64(v_1_1_0_1.AuxInt) != 31 || y != v_1_1_0_1.Args[0] || !(cc == OpARM64LessThanU) { + continue + } + v.reset(OpARM64RORW) + v.AddArg2(x, y) + return true + } + break + } + // match: (OR (UBFIZ [bfc] x) (ANDconst [ac] y)) + // cond: ac == ^((1<<uint(bfc.getARM64BFwidth())-1) << uint(bfc.getARM64BFlsb())) + // result: (BFI [bfc] y x) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpARM64UBFIZ { + continue + } + bfc := auxIntToArm64BitField(v_0.AuxInt) + x := v_0.Args[0] + if v_1.Op != OpARM64ANDconst { + continue + } + ac := auxIntToInt64(v_1.AuxInt) + y := v_1.Args[0] + if !(ac == ^((1<<uint(bfc.getARM64BFwidth()) - 1) << uint(bfc.getARM64BFlsb()))) { + continue + } + v.reset(OpARM64BFI) + v.AuxInt = arm64BitFieldToAuxInt(bfc) + v.AddArg2(y, x) + return true + } + break + } + // match: (OR (UBFX [bfc] x) (ANDconst [ac] y)) + // cond: ac == ^(1<<uint(bfc.getARM64BFwidth())-1) + // result: (BFXIL [bfc] y x) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpARM64UBFX { + continue + } + bfc := auxIntToArm64BitField(v_0.AuxInt) + x := v_0.Args[0] + if v_1.Op != OpARM64ANDconst { + continue + } + ac := auxIntToInt64(v_1.AuxInt) + y := v_1.Args[0] + if !(ac == ^(1<<uint(bfc.getARM64BFwidth()) - 1)) { + continue + } + v.reset(OpARM64BFXIL) + v.AuxInt = arm64BitFieldToAuxInt(bfc) + v.AddArg2(y, x) + return true + } + break + } + // match: (OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] s0:(SLLconst [24] y0:(MOVDnop x0:(MOVBUload [i3] {s} p mem))) y1:(MOVDnop x1:(MOVBUload [i2] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i1] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [i0] {s} p mem))) + // cond: i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3) != nil && clobber(x0, x1, x2, x3, y0, y1, y2, y3, o0, o1, s0) + // result: @mergePoint(b,x0,x1,x2,x3) (MOVWUload <t> {s} (OffPtr <p.Type> [int64(i0)] p) mem) + for { + t := v.Type + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + o0 := v_0 + if o0.Op != OpARM64ORshiftLL || auxIntToInt64(o0.AuxInt) != 8 { + continue + } + _ = o0.Args[1] + o1 := o0.Args[0] + if o1.Op != OpARM64ORshiftLL || auxIntToInt64(o1.AuxInt) != 16 { + continue + } + _ = o1.Args[1] + s0 := o1.Args[0] + if s0.Op != OpARM64SLLconst || auxIntToInt64(s0.AuxInt) != 24 { + continue + } + y0 := s0.Args[0] + if y0.Op != OpARM64MOVDnop { + continue + } + x0 := y0.Args[0] + if x0.Op != OpARM64MOVBUload { + continue + } + i3 := auxIntToInt32(x0.AuxInt) + s := auxToSym(x0.Aux) + mem := x0.Args[1] + p := x0.Args[0] + y1 := o1.Args[1] + if y1.Op != OpARM64MOVDnop { + continue + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUload { + continue + } + i2 := auxIntToInt32(x1.AuxInt) + if auxToSym(x1.Aux) != s { + continue + } + _ = x1.Args[1] + if p != x1.Args[0] || mem != x1.Args[1] { + continue + } + y2 := o0.Args[1] + if y2.Op != OpARM64MOVDnop { + continue + } + x2 := y2.Args[0] + if x2.Op != OpARM64MOVBUload { + continue + } + i1 := auxIntToInt32(x2.AuxInt) + if auxToSym(x2.Aux) != s { + continue + } + _ = x2.Args[1] + if p != x2.Args[0] || mem != x2.Args[1] { + continue + } + y3 := v_1 + if y3.Op != OpARM64MOVDnop { + continue + } + x3 := y3.Args[0] + if x3.Op != OpARM64MOVBUload { + continue + } + i0 := auxIntToInt32(x3.AuxInt) + if auxToSym(x3.Aux) != s { + continue + } + _ = x3.Args[1] + if p != x3.Args[0] || mem != x3.Args[1] || !(i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3) != nil && clobber(x0, x1, x2, x3, y0, y1, y2, y3, o0, o1, s0)) { + continue + } + b = mergePoint(b, x0, x1, x2, x3) + v0 := b.NewValue0(x3.Pos, OpARM64MOVWUload, t) + v.copyOf(v0) + v0.Aux = symToAux(s) + v1 := b.NewValue0(x3.Pos, OpOffPtr, p.Type) + v1.AuxInt = int64ToAuxInt(int64(i0)) + v1.AddArg(p) + v0.AddArg2(v1, mem) + return true + } + break + } + // match: (OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] s0:(SLLconst [24] y0:(MOVDnop x0:(MOVBUload [3] {s} p mem))) y1:(MOVDnop x1:(MOVBUload [2] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [1] {s} p1:(ADD ptr1 idx1) mem))) y3:(MOVDnop x3:(MOVBUloadidx ptr0 idx0 mem))) + // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0, x1, x2, x3, y0, y1, y2, y3, o0, o1, s0) + // result: @mergePoint(b,x0,x1,x2,x3) (MOVWUloadidx <t> ptr0 idx0 mem) + for { + t := v.Type + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + o0 := v_0 + if o0.Op != OpARM64ORshiftLL || auxIntToInt64(o0.AuxInt) != 8 { + continue + } + _ = o0.Args[1] + o1 := o0.Args[0] + if o1.Op != OpARM64ORshiftLL || auxIntToInt64(o1.AuxInt) != 16 { + continue + } + _ = o1.Args[1] + s0 := o1.Args[0] + if s0.Op != OpARM64SLLconst || auxIntToInt64(s0.AuxInt) != 24 { + continue + } + y0 := s0.Args[0] + if y0.Op != OpARM64MOVDnop { + continue + } + x0 := y0.Args[0] + if x0.Op != OpARM64MOVBUload || auxIntToInt32(x0.AuxInt) != 3 { + continue + } + s := auxToSym(x0.Aux) + mem := x0.Args[1] + p := x0.Args[0] + y1 := o1.Args[1] + if y1.Op != OpARM64MOVDnop { + continue + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUload || auxIntToInt32(x1.AuxInt) != 2 || auxToSym(x1.Aux) != s { + continue + } + _ = x1.Args[1] + if p != x1.Args[0] || mem != x1.Args[1] { + continue + } + y2 := o0.Args[1] + if y2.Op != OpARM64MOVDnop { + continue + } + x2 := y2.Args[0] + if x2.Op != OpARM64MOVBUload || auxIntToInt32(x2.AuxInt) != 1 || auxToSym(x2.Aux) != s { + continue + } + _ = x2.Args[1] + p1 := x2.Args[0] + if p1.Op != OpARM64ADD { + continue + } + _ = p1.Args[1] + p1_0 := p1.Args[0] + p1_1 := p1.Args[1] + for _i1 := 0; _i1 <= 1; _i1, p1_0, p1_1 = _i1+1, p1_1, p1_0 { + ptr1 := p1_0 + idx1 := p1_1 + if mem != x2.Args[1] { + continue + } + y3 := v_1 + if y3.Op != OpARM64MOVDnop { + continue + } + x3 := y3.Args[0] + if x3.Op != OpARM64MOVBUloadidx { + continue + } + _ = x3.Args[2] + ptr0 := x3.Args[0] + idx0 := x3.Args[1] + if mem != x3.Args[2] || !(s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0, x1, x2, x3, y0, y1, y2, y3, o0, o1, s0)) { + continue + } + b = mergePoint(b, x0, x1, x2, x3) + v0 := b.NewValue0(x2.Pos, OpARM64MOVWUloadidx, t) + v.copyOf(v0) + v0.AddArg3(ptr0, idx0, mem) + return true + } + } + break + } + // match: (OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] s0:(SLLconst [24] y0:(MOVDnop x0:(MOVBUloadidx ptr (ADDconst [3] idx) mem))) y1:(MOVDnop x1:(MOVBUloadidx ptr (ADDconst [2] idx) mem))) y2:(MOVDnop x2:(MOVBUloadidx ptr (ADDconst [1] idx) mem))) y3:(MOVDnop x3:(MOVBUloadidx ptr idx mem))) + // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3) != nil && clobber(x0, x1, x2, x3, y0, y1, y2, y3, o0, o1, s0) + // result: @mergePoint(b,x0,x1,x2,x3) (MOVWUloadidx <t> ptr idx mem) + for { + t := v.Type + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + o0 := v_0 + if o0.Op != OpARM64ORshiftLL || auxIntToInt64(o0.AuxInt) != 8 { + continue + } + _ = o0.Args[1] + o1 := o0.Args[0] + if o1.Op != OpARM64ORshiftLL || auxIntToInt64(o1.AuxInt) != 16 { + continue + } + _ = o1.Args[1] + s0 := o1.Args[0] + if s0.Op != OpARM64SLLconst || auxIntToInt64(s0.AuxInt) != 24 { + continue + } + y0 := s0.Args[0] + if y0.Op != OpARM64MOVDnop { + continue + } + x0 := y0.Args[0] + if x0.Op != OpARM64MOVBUloadidx { + continue + } + mem := x0.Args[2] + ptr := x0.Args[0] + x0_1 := x0.Args[1] + if x0_1.Op != OpARM64ADDconst || auxIntToInt64(x0_1.AuxInt) != 3 { + continue + } + idx := x0_1.Args[0] + y1 := o1.Args[1] + if y1.Op != OpARM64MOVDnop { + continue + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUloadidx { + continue + } + _ = x1.Args[2] + if ptr != x1.Args[0] { + continue + } + x1_1 := x1.Args[1] + if x1_1.Op != OpARM64ADDconst || auxIntToInt64(x1_1.AuxInt) != 2 || idx != x1_1.Args[0] || mem != x1.Args[2] { + continue + } + y2 := o0.Args[1] + if y2.Op != OpARM64MOVDnop { + continue + } + x2 := y2.Args[0] + if x2.Op != OpARM64MOVBUloadidx { + continue + } + _ = x2.Args[2] + if ptr != x2.Args[0] { + continue + } + x2_1 := x2.Args[1] + if x2_1.Op != OpARM64ADDconst || auxIntToInt64(x2_1.AuxInt) != 1 || idx != x2_1.Args[0] || mem != x2.Args[2] { + continue + } + y3 := v_1 + if y3.Op != OpARM64MOVDnop { + continue + } + x3 := y3.Args[0] + if x3.Op != OpARM64MOVBUloadidx { + continue + } + _ = x3.Args[2] + if ptr != x3.Args[0] || idx != x3.Args[1] || mem != x3.Args[2] || !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3) != nil && clobber(x0, x1, x2, x3, y0, y1, y2, y3, o0, o1, s0)) { + continue + } + b = mergePoint(b, x0, x1, x2, x3) + v0 := b.NewValue0(v.Pos, OpARM64MOVWUloadidx, t) + v.copyOf(v0) + v0.AddArg3(ptr, idx, mem) + return true + } + break + } + // match: (OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] o2:(ORshiftLL [24] o3:(ORshiftLL [32] o4:(ORshiftLL [40] o5:(ORshiftLL [48] s0:(SLLconst [56] y0:(MOVDnop x0:(MOVBUload [i7] {s} p mem))) y1:(MOVDnop x1:(MOVBUload [i6] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i5] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [i4] {s} p mem))) y4:(MOVDnop x4:(MOVBUload [i3] {s} p mem))) y5:(MOVDnop x5:(MOVBUload [i2] {s} p mem))) y6:(MOVDnop x6:(MOVBUload [i1] {s} p mem))) y7:(MOVDnop x7:(MOVBUload [i0] {s} p mem))) + // cond: i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && i4 == i0+4 && i5 == i0+5 && i6 == i0+6 && i7 == i0+7 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) != nil && clobber(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, y6, y7, o0, o1, o2, o3, o4, o5, s0) + // result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDload <t> {s} (OffPtr <p.Type> [int64(i0)] p) mem) + for { + t := v.Type + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + o0 := v_0 + if o0.Op != OpARM64ORshiftLL || auxIntToInt64(o0.AuxInt) != 8 { + continue + } + _ = o0.Args[1] + o1 := o0.Args[0] + if o1.Op != OpARM64ORshiftLL || auxIntToInt64(o1.AuxInt) != 16 { + continue + } + _ = o1.Args[1] + o2 := o1.Args[0] + if o2.Op != OpARM64ORshiftLL || auxIntToInt64(o2.AuxInt) != 24 { + continue + } + _ = o2.Args[1] + o3 := o2.Args[0] + if o3.Op != OpARM64ORshiftLL || auxIntToInt64(o3.AuxInt) != 32 { + continue + } + _ = o3.Args[1] + o4 := o3.Args[0] + if o4.Op != OpARM64ORshiftLL || auxIntToInt64(o4.AuxInt) != 40 { + continue + } + _ = o4.Args[1] + o5 := o4.Args[0] + if o5.Op != OpARM64ORshiftLL || auxIntToInt64(o5.AuxInt) != 48 { + continue + } + _ = o5.Args[1] + s0 := o5.Args[0] + if s0.Op != OpARM64SLLconst || auxIntToInt64(s0.AuxInt) != 56 { + continue + } + y0 := s0.Args[0] + if y0.Op != OpARM64MOVDnop { + continue + } + x0 := y0.Args[0] + if x0.Op != OpARM64MOVBUload { + continue + } + i7 := auxIntToInt32(x0.AuxInt) + s := auxToSym(x0.Aux) + mem := x0.Args[1] + p := x0.Args[0] + y1 := o5.Args[1] + if y1.Op != OpARM64MOVDnop { + continue + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUload { + continue + } + i6 := auxIntToInt32(x1.AuxInt) + if auxToSym(x1.Aux) != s { + continue + } + _ = x1.Args[1] + if p != x1.Args[0] || mem != x1.Args[1] { + continue + } + y2 := o4.Args[1] + if y2.Op != OpARM64MOVDnop { + continue + } + x2 := y2.Args[0] + if x2.Op != OpARM64MOVBUload { + continue + } + i5 := auxIntToInt32(x2.AuxInt) + if auxToSym(x2.Aux) != s { + continue + } + _ = x2.Args[1] + if p != x2.Args[0] || mem != x2.Args[1] { + continue + } + y3 := o3.Args[1] + if y3.Op != OpARM64MOVDnop { + continue + } + x3 := y3.Args[0] + if x3.Op != OpARM64MOVBUload { + continue + } + i4 := auxIntToInt32(x3.AuxInt) + if auxToSym(x3.Aux) != s { + continue + } + _ = x3.Args[1] + if p != x3.Args[0] || mem != x3.Args[1] { + continue + } + y4 := o2.Args[1] + if y4.Op != OpARM64MOVDnop { + continue + } + x4 := y4.Args[0] + if x4.Op != OpARM64MOVBUload { + continue + } + i3 := auxIntToInt32(x4.AuxInt) + if auxToSym(x4.Aux) != s { + continue + } + _ = x4.Args[1] + if p != x4.Args[0] || mem != x4.Args[1] { + continue + } + y5 := o1.Args[1] + if y5.Op != OpARM64MOVDnop { + continue + } + x5 := y5.Args[0] + if x5.Op != OpARM64MOVBUload { + continue + } + i2 := auxIntToInt32(x5.AuxInt) + if auxToSym(x5.Aux) != s { + continue + } + _ = x5.Args[1] + if p != x5.Args[0] || mem != x5.Args[1] { + continue + } + y6 := o0.Args[1] + if y6.Op != OpARM64MOVDnop { + continue + } + x6 := y6.Args[0] + if x6.Op != OpARM64MOVBUload { + continue + } + i1 := auxIntToInt32(x6.AuxInt) + if auxToSym(x6.Aux) != s { + continue + } + _ = x6.Args[1] + if p != x6.Args[0] || mem != x6.Args[1] { + continue + } + y7 := v_1 + if y7.Op != OpARM64MOVDnop { + continue + } + x7 := y7.Args[0] + if x7.Op != OpARM64MOVBUload { + continue + } + i0 := auxIntToInt32(x7.AuxInt) + if auxToSym(x7.Aux) != s { + continue + } + _ = x7.Args[1] + if p != x7.Args[0] || mem != x7.Args[1] || !(i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && i4 == i0+4 && i5 == i0+5 && i6 == i0+6 && i7 == i0+7 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) != nil && clobber(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, y6, y7, o0, o1, o2, o3, o4, o5, s0)) { + continue + } + b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) + v0 := b.NewValue0(x7.Pos, OpARM64MOVDload, t) + v.copyOf(v0) + v0.Aux = symToAux(s) + v1 := b.NewValue0(x7.Pos, OpOffPtr, p.Type) + v1.AuxInt = int64ToAuxInt(int64(i0)) + v1.AddArg(p) + v0.AddArg2(v1, mem) + return true + } + break + } + // match: (OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] o2:(ORshiftLL [24] o3:(ORshiftLL [32] o4:(ORshiftLL [40] o5:(ORshiftLL [48] s0:(SLLconst [56] y0:(MOVDnop x0:(MOVBUload [7] {s} p mem))) y1:(MOVDnop x1:(MOVBUload [6] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [5] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [4] {s} p mem))) y4:(MOVDnop x4:(MOVBUload [3] {s} p mem))) y5:(MOVDnop x5:(MOVBUload [2] {s} p mem))) y6:(MOVDnop x6:(MOVBUload [1] {s} p1:(ADD ptr1 idx1) mem))) y7:(MOVDnop x7:(MOVBUloadidx ptr0 idx0 mem))) + // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, y6, y7, o0, o1, o2, o3, o4, o5, s0) + // result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDloadidx <t> ptr0 idx0 mem) + for { + t := v.Type + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + o0 := v_0 + if o0.Op != OpARM64ORshiftLL || auxIntToInt64(o0.AuxInt) != 8 { + continue + } + _ = o0.Args[1] + o1 := o0.Args[0] + if o1.Op != OpARM64ORshiftLL || auxIntToInt64(o1.AuxInt) != 16 { + continue + } + _ = o1.Args[1] + o2 := o1.Args[0] + if o2.Op != OpARM64ORshiftLL || auxIntToInt64(o2.AuxInt) != 24 { + continue + } + _ = o2.Args[1] + o3 := o2.Args[0] + if o3.Op != OpARM64ORshiftLL || auxIntToInt64(o3.AuxInt) != 32 { + continue + } + _ = o3.Args[1] + o4 := o3.Args[0] + if o4.Op != OpARM64ORshiftLL || auxIntToInt64(o4.AuxInt) != 40 { + continue + } + _ = o4.Args[1] + o5 := o4.Args[0] + if o5.Op != OpARM64ORshiftLL || auxIntToInt64(o5.AuxInt) != 48 { + continue + } + _ = o5.Args[1] + s0 := o5.Args[0] + if s0.Op != OpARM64SLLconst || auxIntToInt64(s0.AuxInt) != 56 { + continue + } + y0 := s0.Args[0] + if y0.Op != OpARM64MOVDnop { + continue + } + x0 := y0.Args[0] + if x0.Op != OpARM64MOVBUload || auxIntToInt32(x0.AuxInt) != 7 { + continue + } + s := auxToSym(x0.Aux) + mem := x0.Args[1] + p := x0.Args[0] + y1 := o5.Args[1] + if y1.Op != OpARM64MOVDnop { + continue + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUload || auxIntToInt32(x1.AuxInt) != 6 || auxToSym(x1.Aux) != s { + continue + } + _ = x1.Args[1] + if p != x1.Args[0] || mem != x1.Args[1] { + continue + } + y2 := o4.Args[1] + if y2.Op != OpARM64MOVDnop { + continue + } + x2 := y2.Args[0] + if x2.Op != OpARM64MOVBUload || auxIntToInt32(x2.AuxInt) != 5 || auxToSym(x2.Aux) != s { + continue + } + _ = x2.Args[1] + if p != x2.Args[0] || mem != x2.Args[1] { + continue + } + y3 := o3.Args[1] + if y3.Op != OpARM64MOVDnop { + continue + } + x3 := y3.Args[0] + if x3.Op != OpARM64MOVBUload || auxIntToInt32(x3.AuxInt) != 4 || auxToSym(x3.Aux) != s { + continue + } + _ = x3.Args[1] + if p != x3.Args[0] || mem != x3.Args[1] { + continue + } + y4 := o2.Args[1] + if y4.Op != OpARM64MOVDnop { + continue + } + x4 := y4.Args[0] + if x4.Op != OpARM64MOVBUload || auxIntToInt32(x4.AuxInt) != 3 || auxToSym(x4.Aux) != s { + continue + } + _ = x4.Args[1] + if p != x4.Args[0] || mem != x4.Args[1] { + continue + } + y5 := o1.Args[1] + if y5.Op != OpARM64MOVDnop { + continue + } + x5 := y5.Args[0] + if x5.Op != OpARM64MOVBUload || auxIntToInt32(x5.AuxInt) != 2 || auxToSym(x5.Aux) != s { + continue + } + _ = x5.Args[1] + if p != x5.Args[0] || mem != x5.Args[1] { + continue + } + y6 := o0.Args[1] + if y6.Op != OpARM64MOVDnop { + continue + } + x6 := y6.Args[0] + if x6.Op != OpARM64MOVBUload || auxIntToInt32(x6.AuxInt) != 1 || auxToSym(x6.Aux) != s { + continue + } + _ = x6.Args[1] + p1 := x6.Args[0] + if p1.Op != OpARM64ADD { + continue + } + _ = p1.Args[1] + p1_0 := p1.Args[0] + p1_1 := p1.Args[1] + for _i1 := 0; _i1 <= 1; _i1, p1_0, p1_1 = _i1+1, p1_1, p1_0 { + ptr1 := p1_0 + idx1 := p1_1 + if mem != x6.Args[1] { + continue + } + y7 := v_1 + if y7.Op != OpARM64MOVDnop { + continue + } + x7 := y7.Args[0] + if x7.Op != OpARM64MOVBUloadidx { + continue + } + _ = x7.Args[2] + ptr0 := x7.Args[0] + idx0 := x7.Args[1] + if mem != x7.Args[2] || !(s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, y6, y7, o0, o1, o2, o3, o4, o5, s0)) { + continue + } + b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) + v0 := b.NewValue0(x6.Pos, OpARM64MOVDloadidx, t) + v.copyOf(v0) + v0.AddArg3(ptr0, idx0, mem) + return true + } + } + break + } + // match: (OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] o2:(ORshiftLL [24] o3:(ORshiftLL [32] o4:(ORshiftLL [40] o5:(ORshiftLL [48] s0:(SLLconst [56] y0:(MOVDnop x0:(MOVBUloadidx ptr (ADDconst [7] idx) mem))) y1:(MOVDnop x1:(MOVBUloadidx ptr (ADDconst [6] idx) mem))) y2:(MOVDnop x2:(MOVBUloadidx ptr (ADDconst [5] idx) mem))) y3:(MOVDnop x3:(MOVBUloadidx ptr (ADDconst [4] idx) mem))) y4:(MOVDnop x4:(MOVBUloadidx ptr (ADDconst [3] idx) mem))) y5:(MOVDnop x5:(MOVBUloadidx ptr (ADDconst [2] idx) mem))) y6:(MOVDnop x6:(MOVBUloadidx ptr (ADDconst [1] idx) mem))) y7:(MOVDnop x7:(MOVBUloadidx ptr idx mem))) + // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) != nil && clobber(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, y6, y7, o0, o1, o2, o3, o4, o5, s0) + // result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (MOVDloadidx <t> ptr idx mem) + for { + t := v.Type + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + o0 := v_0 + if o0.Op != OpARM64ORshiftLL || auxIntToInt64(o0.AuxInt) != 8 { + continue + } + _ = o0.Args[1] + o1 := o0.Args[0] + if o1.Op != OpARM64ORshiftLL || auxIntToInt64(o1.AuxInt) != 16 { + continue + } + _ = o1.Args[1] + o2 := o1.Args[0] + if o2.Op != OpARM64ORshiftLL || auxIntToInt64(o2.AuxInt) != 24 { + continue + } + _ = o2.Args[1] + o3 := o2.Args[0] + if o3.Op != OpARM64ORshiftLL || auxIntToInt64(o3.AuxInt) != 32 { + continue + } + _ = o3.Args[1] + o4 := o3.Args[0] + if o4.Op != OpARM64ORshiftLL || auxIntToInt64(o4.AuxInt) != 40 { + continue + } + _ = o4.Args[1] + o5 := o4.Args[0] + if o5.Op != OpARM64ORshiftLL || auxIntToInt64(o5.AuxInt) != 48 { + continue + } + _ = o5.Args[1] + s0 := o5.Args[0] + if s0.Op != OpARM64SLLconst || auxIntToInt64(s0.AuxInt) != 56 { + continue + } + y0 := s0.Args[0] + if y0.Op != OpARM64MOVDnop { + continue + } + x0 := y0.Args[0] + if x0.Op != OpARM64MOVBUloadidx { + continue + } + mem := x0.Args[2] + ptr := x0.Args[0] + x0_1 := x0.Args[1] + if x0_1.Op != OpARM64ADDconst || auxIntToInt64(x0_1.AuxInt) != 7 { + continue + } + idx := x0_1.Args[0] + y1 := o5.Args[1] + if y1.Op != OpARM64MOVDnop { + continue + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUloadidx { + continue + } + _ = x1.Args[2] + if ptr != x1.Args[0] { + continue + } + x1_1 := x1.Args[1] + if x1_1.Op != OpARM64ADDconst || auxIntToInt64(x1_1.AuxInt) != 6 || idx != x1_1.Args[0] || mem != x1.Args[2] { + continue + } + y2 := o4.Args[1] + if y2.Op != OpARM64MOVDnop { + continue + } + x2 := y2.Args[0] + if x2.Op != OpARM64MOVBUloadidx { + continue + } + _ = x2.Args[2] + if ptr != x2.Args[0] { + continue + } + x2_1 := x2.Args[1] + if x2_1.Op != OpARM64ADDconst || auxIntToInt64(x2_1.AuxInt) != 5 || idx != x2_1.Args[0] || mem != x2.Args[2] { + continue + } + y3 := o3.Args[1] + if y3.Op != OpARM64MOVDnop { + continue + } + x3 := y3.Args[0] + if x3.Op != OpARM64MOVBUloadidx { + continue + } + _ = x3.Args[2] + if ptr != x3.Args[0] { + continue + } + x3_1 := x3.Args[1] + if x3_1.Op != OpARM64ADDconst || auxIntToInt64(x3_1.AuxInt) != 4 || idx != x3_1.Args[0] || mem != x3.Args[2] { + continue + } + y4 := o2.Args[1] + if y4.Op != OpARM64MOVDnop { + continue + } + x4 := y4.Args[0] + if x4.Op != OpARM64MOVBUloadidx { + continue + } + _ = x4.Args[2] + if ptr != x4.Args[0] { + continue + } + x4_1 := x4.Args[1] + if x4_1.Op != OpARM64ADDconst || auxIntToInt64(x4_1.AuxInt) != 3 || idx != x4_1.Args[0] || mem != x4.Args[2] { + continue + } + y5 := o1.Args[1] + if y5.Op != OpARM64MOVDnop { + continue + } + x5 := y5.Args[0] + if x5.Op != OpARM64MOVBUloadidx { + continue + } + _ = x5.Args[2] + if ptr != x5.Args[0] { + continue + } + x5_1 := x5.Args[1] + if x5_1.Op != OpARM64ADDconst || auxIntToInt64(x5_1.AuxInt) != 2 || idx != x5_1.Args[0] || mem != x5.Args[2] { + continue + } + y6 := o0.Args[1] + if y6.Op != OpARM64MOVDnop { + continue + } + x6 := y6.Args[0] + if x6.Op != OpARM64MOVBUloadidx { + continue + } + _ = x6.Args[2] + if ptr != x6.Args[0] { + continue + } + x6_1 := x6.Args[1] + if x6_1.Op != OpARM64ADDconst || auxIntToInt64(x6_1.AuxInt) != 1 || idx != x6_1.Args[0] || mem != x6.Args[2] { + continue + } + y7 := v_1 + if y7.Op != OpARM64MOVDnop { + continue + } + x7 := y7.Args[0] + if x7.Op != OpARM64MOVBUloadidx { + continue + } + _ = x7.Args[2] + if ptr != x7.Args[0] || idx != x7.Args[1] || mem != x7.Args[2] || !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) != nil && clobber(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, y6, y7, o0, o1, o2, o3, o4, o5, s0)) { + continue + } + b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) + v0 := b.NewValue0(v.Pos, OpARM64MOVDloadidx, t) + v.copyOf(v0) + v0.AddArg3(ptr, idx, mem) + return true + } + break + } + // match: (OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] s0:(SLLconst [24] y0:(MOVDnop x0:(MOVBUload [i0] {s} p mem))) y1:(MOVDnop x1:(MOVBUload [i1] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i2] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [i3] {s} p mem))) + // cond: i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3) != nil && clobber(x0, x1, x2, x3, y0, y1, y2, y3, o0, o1, s0) + // result: @mergePoint(b,x0,x1,x2,x3) (REVW <t> (MOVWUload <t> {s} (OffPtr <p.Type> [int64(i0)] p) mem)) + for { + t := v.Type + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + o0 := v_0 + if o0.Op != OpARM64ORshiftLL || auxIntToInt64(o0.AuxInt) != 8 { + continue + } + _ = o0.Args[1] + o1 := o0.Args[0] + if o1.Op != OpARM64ORshiftLL || auxIntToInt64(o1.AuxInt) != 16 { + continue + } + _ = o1.Args[1] + s0 := o1.Args[0] + if s0.Op != OpARM64SLLconst || auxIntToInt64(s0.AuxInt) != 24 { + continue + } + y0 := s0.Args[0] + if y0.Op != OpARM64MOVDnop { + continue + } + x0 := y0.Args[0] + if x0.Op != OpARM64MOVBUload { + continue + } + i0 := auxIntToInt32(x0.AuxInt) + s := auxToSym(x0.Aux) + mem := x0.Args[1] + p := x0.Args[0] + y1 := o1.Args[1] + if y1.Op != OpARM64MOVDnop { + continue + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUload { + continue + } + i1 := auxIntToInt32(x1.AuxInt) + if auxToSym(x1.Aux) != s { + continue + } + _ = x1.Args[1] + if p != x1.Args[0] || mem != x1.Args[1] { + continue + } + y2 := o0.Args[1] + if y2.Op != OpARM64MOVDnop { + continue + } + x2 := y2.Args[0] + if x2.Op != OpARM64MOVBUload { + continue + } + i2 := auxIntToInt32(x2.AuxInt) + if auxToSym(x2.Aux) != s { + continue + } + _ = x2.Args[1] + if p != x2.Args[0] || mem != x2.Args[1] { + continue + } + y3 := v_1 + if y3.Op != OpARM64MOVDnop { + continue + } + x3 := y3.Args[0] + if x3.Op != OpARM64MOVBUload { + continue + } + i3 := auxIntToInt32(x3.AuxInt) + if auxToSym(x3.Aux) != s { + continue + } + _ = x3.Args[1] + if p != x3.Args[0] || mem != x3.Args[1] || !(i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3) != nil && clobber(x0, x1, x2, x3, y0, y1, y2, y3, o0, o1, s0)) { + continue + } + b = mergePoint(b, x0, x1, x2, x3) + v0 := b.NewValue0(x3.Pos, OpARM64REVW, t) + v.copyOf(v0) + v1 := b.NewValue0(x3.Pos, OpARM64MOVWUload, t) + v1.Aux = symToAux(s) + v2 := b.NewValue0(x3.Pos, OpOffPtr, p.Type) + v2.AuxInt = int64ToAuxInt(int64(i0)) + v2.AddArg(p) + v1.AddArg2(v2, mem) + v0.AddArg(v1) + return true + } + break + } + // match: (OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] s0:(SLLconst [24] y0:(MOVDnop x0:(MOVBUloadidx ptr0 idx0 mem))) y1:(MOVDnop x1:(MOVBUload [1] {s} p1:(ADD ptr1 idx1) mem))) y2:(MOVDnop x2:(MOVBUload [2] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [3] {s} p mem))) + // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0, x1, x2, x3, y0, y1, y2, y3, o0, o1, s0) + // result: @mergePoint(b,x0,x1,x2,x3) (REVW <t> (MOVWUloadidx <t> ptr0 idx0 mem)) + for { + t := v.Type + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + o0 := v_0 + if o0.Op != OpARM64ORshiftLL || auxIntToInt64(o0.AuxInt) != 8 { + continue + } + _ = o0.Args[1] + o1 := o0.Args[0] + if o1.Op != OpARM64ORshiftLL || auxIntToInt64(o1.AuxInt) != 16 { + continue + } + _ = o1.Args[1] + s0 := o1.Args[0] + if s0.Op != OpARM64SLLconst || auxIntToInt64(s0.AuxInt) != 24 { + continue + } + y0 := s0.Args[0] + if y0.Op != OpARM64MOVDnop { + continue + } + x0 := y0.Args[0] + if x0.Op != OpARM64MOVBUloadidx { + continue + } + mem := x0.Args[2] + ptr0 := x0.Args[0] + idx0 := x0.Args[1] + y1 := o1.Args[1] + if y1.Op != OpARM64MOVDnop { + continue + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUload || auxIntToInt32(x1.AuxInt) != 1 { + continue + } + s := auxToSym(x1.Aux) + _ = x1.Args[1] + p1 := x1.Args[0] + if p1.Op != OpARM64ADD { + continue + } + _ = p1.Args[1] + p1_0 := p1.Args[0] + p1_1 := p1.Args[1] + for _i1 := 0; _i1 <= 1; _i1, p1_0, p1_1 = _i1+1, p1_1, p1_0 { + ptr1 := p1_0 + idx1 := p1_1 + if mem != x1.Args[1] { + continue + } + y2 := o0.Args[1] + if y2.Op != OpARM64MOVDnop { + continue + } + x2 := y2.Args[0] + if x2.Op != OpARM64MOVBUload || auxIntToInt32(x2.AuxInt) != 2 || auxToSym(x2.Aux) != s { + continue + } + _ = x2.Args[1] + p := x2.Args[0] + if mem != x2.Args[1] { + continue + } + y3 := v_1 + if y3.Op != OpARM64MOVDnop { + continue + } + x3 := y3.Args[0] + if x3.Op != OpARM64MOVBUload || auxIntToInt32(x3.AuxInt) != 3 || auxToSym(x3.Aux) != s { + continue + } + _ = x3.Args[1] + if p != x3.Args[0] || mem != x3.Args[1] || !(s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0, x1, x2, x3, y0, y1, y2, y3, o0, o1, s0)) { + continue + } + b = mergePoint(b, x0, x1, x2, x3) + v0 := b.NewValue0(x3.Pos, OpARM64REVW, t) + v.copyOf(v0) + v1 := b.NewValue0(x3.Pos, OpARM64MOVWUloadidx, t) + v1.AddArg3(ptr0, idx0, mem) + v0.AddArg(v1) + return true + } + } + break + } + // match: (OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] s0:(SLLconst [24] y0:(MOVDnop x0:(MOVBUloadidx ptr idx mem))) y1:(MOVDnop x1:(MOVBUloadidx ptr (ADDconst [1] idx) mem))) y2:(MOVDnop x2:(MOVBUloadidx ptr (ADDconst [2] idx) mem))) y3:(MOVDnop x3:(MOVBUloadidx ptr (ADDconst [3] idx) mem))) + // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3) != nil && clobber(x0, x1, x2, x3, y0, y1, y2, y3, o0, o1, s0) + // result: @mergePoint(b,x0,x1,x2,x3) (REVW <t> (MOVWUloadidx <t> ptr idx mem)) + for { + t := v.Type + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + o0 := v_0 + if o0.Op != OpARM64ORshiftLL || auxIntToInt64(o0.AuxInt) != 8 { + continue + } + _ = o0.Args[1] + o1 := o0.Args[0] + if o1.Op != OpARM64ORshiftLL || auxIntToInt64(o1.AuxInt) != 16 { + continue + } + _ = o1.Args[1] + s0 := o1.Args[0] + if s0.Op != OpARM64SLLconst || auxIntToInt64(s0.AuxInt) != 24 { + continue + } + y0 := s0.Args[0] + if y0.Op != OpARM64MOVDnop { + continue + } + x0 := y0.Args[0] + if x0.Op != OpARM64MOVBUloadidx { + continue + } + mem := x0.Args[2] + ptr := x0.Args[0] + idx := x0.Args[1] + y1 := o1.Args[1] + if y1.Op != OpARM64MOVDnop { + continue + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUloadidx { + continue + } + _ = x1.Args[2] + if ptr != x1.Args[0] { + continue + } + x1_1 := x1.Args[1] + if x1_1.Op != OpARM64ADDconst || auxIntToInt64(x1_1.AuxInt) != 1 || idx != x1_1.Args[0] || mem != x1.Args[2] { + continue + } + y2 := o0.Args[1] + if y2.Op != OpARM64MOVDnop { + continue + } + x2 := y2.Args[0] + if x2.Op != OpARM64MOVBUloadidx { + continue + } + _ = x2.Args[2] + if ptr != x2.Args[0] { + continue + } + x2_1 := x2.Args[1] + if x2_1.Op != OpARM64ADDconst || auxIntToInt64(x2_1.AuxInt) != 2 || idx != x2_1.Args[0] || mem != x2.Args[2] { + continue + } + y3 := v_1 + if y3.Op != OpARM64MOVDnop { + continue + } + x3 := y3.Args[0] + if x3.Op != OpARM64MOVBUloadidx { + continue + } + _ = x3.Args[2] + if ptr != x3.Args[0] { + continue + } + x3_1 := x3.Args[1] + if x3_1.Op != OpARM64ADDconst || auxIntToInt64(x3_1.AuxInt) != 3 || idx != x3_1.Args[0] || mem != x3.Args[2] || !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3) != nil && clobber(x0, x1, x2, x3, y0, y1, y2, y3, o0, o1, s0)) { + continue + } + b = mergePoint(b, x0, x1, x2, x3) + v0 := b.NewValue0(v.Pos, OpARM64REVW, t) + v.copyOf(v0) + v1 := b.NewValue0(v.Pos, OpARM64MOVWUloadidx, t) + v1.AddArg3(ptr, idx, mem) + v0.AddArg(v1) + return true + } + break + } + // match: (OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] o2:(ORshiftLL [24] o3:(ORshiftLL [32] o4:(ORshiftLL [40] o5:(ORshiftLL [48] s0:(SLLconst [56] y0:(MOVDnop x0:(MOVBUload [i0] {s} p mem))) y1:(MOVDnop x1:(MOVBUload [i1] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i2] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [i3] {s} p mem))) y4:(MOVDnop x4:(MOVBUload [i4] {s} p mem))) y5:(MOVDnop x5:(MOVBUload [i5] {s} p mem))) y6:(MOVDnop x6:(MOVBUload [i6] {s} p mem))) y7:(MOVDnop x7:(MOVBUload [i7] {s} p mem))) + // cond: i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && i4 == i0+4 && i5 == i0+5 && i6 == i0+6 && i7 == i0+7 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) != nil && clobber(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, y6, y7, o0, o1, o2, o3, o4, o5, s0) + // result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (REV <t> (MOVDload <t> {s} (OffPtr <p.Type> [int64(i0)] p) mem)) + for { + t := v.Type + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + o0 := v_0 + if o0.Op != OpARM64ORshiftLL || auxIntToInt64(o0.AuxInt) != 8 { + continue + } + _ = o0.Args[1] + o1 := o0.Args[0] + if o1.Op != OpARM64ORshiftLL || auxIntToInt64(o1.AuxInt) != 16 { + continue + } + _ = o1.Args[1] + o2 := o1.Args[0] + if o2.Op != OpARM64ORshiftLL || auxIntToInt64(o2.AuxInt) != 24 { + continue + } + _ = o2.Args[1] + o3 := o2.Args[0] + if o3.Op != OpARM64ORshiftLL || auxIntToInt64(o3.AuxInt) != 32 { + continue + } + _ = o3.Args[1] + o4 := o3.Args[0] + if o4.Op != OpARM64ORshiftLL || auxIntToInt64(o4.AuxInt) != 40 { + continue + } + _ = o4.Args[1] + o5 := o4.Args[0] + if o5.Op != OpARM64ORshiftLL || auxIntToInt64(o5.AuxInt) != 48 { + continue + } + _ = o5.Args[1] + s0 := o5.Args[0] + if s0.Op != OpARM64SLLconst || auxIntToInt64(s0.AuxInt) != 56 { + continue + } + y0 := s0.Args[0] + if y0.Op != OpARM64MOVDnop { + continue + } + x0 := y0.Args[0] + if x0.Op != OpARM64MOVBUload { + continue + } + i0 := auxIntToInt32(x0.AuxInt) + s := auxToSym(x0.Aux) + mem := x0.Args[1] + p := x0.Args[0] + y1 := o5.Args[1] + if y1.Op != OpARM64MOVDnop { + continue + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUload { + continue + } + i1 := auxIntToInt32(x1.AuxInt) + if auxToSym(x1.Aux) != s { + continue + } + _ = x1.Args[1] + if p != x1.Args[0] || mem != x1.Args[1] { + continue + } + y2 := o4.Args[1] + if y2.Op != OpARM64MOVDnop { + continue + } + x2 := y2.Args[0] + if x2.Op != OpARM64MOVBUload { + continue + } + i2 := auxIntToInt32(x2.AuxInt) + if auxToSym(x2.Aux) != s { + continue + } + _ = x2.Args[1] + if p != x2.Args[0] || mem != x2.Args[1] { + continue + } + y3 := o3.Args[1] + if y3.Op != OpARM64MOVDnop { + continue + } + x3 := y3.Args[0] + if x3.Op != OpARM64MOVBUload { + continue + } + i3 := auxIntToInt32(x3.AuxInt) + if auxToSym(x3.Aux) != s { + continue + } + _ = x3.Args[1] + if p != x3.Args[0] || mem != x3.Args[1] { + continue + } + y4 := o2.Args[1] + if y4.Op != OpARM64MOVDnop { + continue + } + x4 := y4.Args[0] + if x4.Op != OpARM64MOVBUload { + continue + } + i4 := auxIntToInt32(x4.AuxInt) + if auxToSym(x4.Aux) != s { + continue + } + _ = x4.Args[1] + if p != x4.Args[0] || mem != x4.Args[1] { + continue + } + y5 := o1.Args[1] + if y5.Op != OpARM64MOVDnop { + continue + } + x5 := y5.Args[0] + if x5.Op != OpARM64MOVBUload { + continue + } + i5 := auxIntToInt32(x5.AuxInt) + if auxToSym(x5.Aux) != s { + continue + } + _ = x5.Args[1] + if p != x5.Args[0] || mem != x5.Args[1] { + continue + } + y6 := o0.Args[1] + if y6.Op != OpARM64MOVDnop { + continue + } + x6 := y6.Args[0] + if x6.Op != OpARM64MOVBUload { + continue + } + i6 := auxIntToInt32(x6.AuxInt) + if auxToSym(x6.Aux) != s { + continue + } + _ = x6.Args[1] + if p != x6.Args[0] || mem != x6.Args[1] { + continue + } + y7 := v_1 + if y7.Op != OpARM64MOVDnop { + continue + } + x7 := y7.Args[0] + if x7.Op != OpARM64MOVBUload { + continue + } + i7 := auxIntToInt32(x7.AuxInt) + if auxToSym(x7.Aux) != s { + continue + } + _ = x7.Args[1] + if p != x7.Args[0] || mem != x7.Args[1] || !(i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && i4 == i0+4 && i5 == i0+5 && i6 == i0+6 && i7 == i0+7 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) != nil && clobber(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, y6, y7, o0, o1, o2, o3, o4, o5, s0)) { + continue + } + b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) + v0 := b.NewValue0(x7.Pos, OpARM64REV, t) + v.copyOf(v0) + v1 := b.NewValue0(x7.Pos, OpARM64MOVDload, t) + v1.Aux = symToAux(s) + v2 := b.NewValue0(x7.Pos, OpOffPtr, p.Type) + v2.AuxInt = int64ToAuxInt(int64(i0)) + v2.AddArg(p) + v1.AddArg2(v2, mem) + v0.AddArg(v1) + return true + } + break + } + // match: (OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] o2:(ORshiftLL [24] o3:(ORshiftLL [32] o4:(ORshiftLL [40] o5:(ORshiftLL [48] s0:(SLLconst [56] y0:(MOVDnop x0:(MOVBUloadidx ptr0 idx0 mem))) y1:(MOVDnop x1:(MOVBUload [1] {s} p1:(ADD ptr1 idx1) mem))) y2:(MOVDnop x2:(MOVBUload [2] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [3] {s} p mem))) y4:(MOVDnop x4:(MOVBUload [4] {s} p mem))) y5:(MOVDnop x5:(MOVBUload [5] {s} p mem))) y6:(MOVDnop x6:(MOVBUload [6] {s} p mem))) y7:(MOVDnop x7:(MOVBUload [7] {s} p mem))) + // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, y6, y7, o0, o1, o2, o3, o4, o5, s0) + // result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (REV <t> (MOVDloadidx <t> ptr0 idx0 mem)) + for { + t := v.Type + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + o0 := v_0 + if o0.Op != OpARM64ORshiftLL || auxIntToInt64(o0.AuxInt) != 8 { + continue + } + _ = o0.Args[1] + o1 := o0.Args[0] + if o1.Op != OpARM64ORshiftLL || auxIntToInt64(o1.AuxInt) != 16 { + continue + } + _ = o1.Args[1] + o2 := o1.Args[0] + if o2.Op != OpARM64ORshiftLL || auxIntToInt64(o2.AuxInt) != 24 { + continue + } + _ = o2.Args[1] + o3 := o2.Args[0] + if o3.Op != OpARM64ORshiftLL || auxIntToInt64(o3.AuxInt) != 32 { + continue + } + _ = o3.Args[1] + o4 := o3.Args[0] + if o4.Op != OpARM64ORshiftLL || auxIntToInt64(o4.AuxInt) != 40 { + continue + } + _ = o4.Args[1] + o5 := o4.Args[0] + if o5.Op != OpARM64ORshiftLL || auxIntToInt64(o5.AuxInt) != 48 { + continue + } + _ = o5.Args[1] + s0 := o5.Args[0] + if s0.Op != OpARM64SLLconst || auxIntToInt64(s0.AuxInt) != 56 { + continue + } + y0 := s0.Args[0] + if y0.Op != OpARM64MOVDnop { + continue + } + x0 := y0.Args[0] + if x0.Op != OpARM64MOVBUloadidx { + continue + } + mem := x0.Args[2] + ptr0 := x0.Args[0] + idx0 := x0.Args[1] + y1 := o5.Args[1] + if y1.Op != OpARM64MOVDnop { + continue + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUload || auxIntToInt32(x1.AuxInt) != 1 { + continue + } + s := auxToSym(x1.Aux) + _ = x1.Args[1] + p1 := x1.Args[0] + if p1.Op != OpARM64ADD { + continue + } + _ = p1.Args[1] + p1_0 := p1.Args[0] + p1_1 := p1.Args[1] + for _i1 := 0; _i1 <= 1; _i1, p1_0, p1_1 = _i1+1, p1_1, p1_0 { + ptr1 := p1_0 + idx1 := p1_1 + if mem != x1.Args[1] { + continue + } + y2 := o4.Args[1] + if y2.Op != OpARM64MOVDnop { + continue + } + x2 := y2.Args[0] + if x2.Op != OpARM64MOVBUload || auxIntToInt32(x2.AuxInt) != 2 || auxToSym(x2.Aux) != s { + continue + } + _ = x2.Args[1] + p := x2.Args[0] + if mem != x2.Args[1] { + continue + } + y3 := o3.Args[1] + if y3.Op != OpARM64MOVDnop { + continue + } + x3 := y3.Args[0] + if x3.Op != OpARM64MOVBUload || auxIntToInt32(x3.AuxInt) != 3 || auxToSym(x3.Aux) != s { + continue + } + _ = x3.Args[1] + if p != x3.Args[0] || mem != x3.Args[1] { + continue + } + y4 := o2.Args[1] + if y4.Op != OpARM64MOVDnop { + continue + } + x4 := y4.Args[0] + if x4.Op != OpARM64MOVBUload || auxIntToInt32(x4.AuxInt) != 4 || auxToSym(x4.Aux) != s { + continue + } + _ = x4.Args[1] + if p != x4.Args[0] || mem != x4.Args[1] { + continue + } + y5 := o1.Args[1] + if y5.Op != OpARM64MOVDnop { + continue + } + x5 := y5.Args[0] + if x5.Op != OpARM64MOVBUload || auxIntToInt32(x5.AuxInt) != 5 || auxToSym(x5.Aux) != s { + continue + } + _ = x5.Args[1] + if p != x5.Args[0] || mem != x5.Args[1] { + continue + } + y6 := o0.Args[1] + if y6.Op != OpARM64MOVDnop { + continue + } + x6 := y6.Args[0] + if x6.Op != OpARM64MOVBUload || auxIntToInt32(x6.AuxInt) != 6 || auxToSym(x6.Aux) != s { + continue + } + _ = x6.Args[1] + if p != x6.Args[0] || mem != x6.Args[1] { + continue + } + y7 := v_1 + if y7.Op != OpARM64MOVDnop { + continue + } + x7 := y7.Args[0] + if x7.Op != OpARM64MOVBUload || auxIntToInt32(x7.AuxInt) != 7 || auxToSym(x7.Aux) != s { + continue + } + _ = x7.Args[1] + if p != x7.Args[0] || mem != x7.Args[1] || !(s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, y6, y7, o0, o1, o2, o3, o4, o5, s0)) { + continue + } + b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) + v0 := b.NewValue0(x7.Pos, OpARM64REV, t) + v.copyOf(v0) + v1 := b.NewValue0(x7.Pos, OpARM64MOVDloadidx, t) + v1.AddArg3(ptr0, idx0, mem) + v0.AddArg(v1) + return true + } + } + break + } + // match: (OR <t> o0:(ORshiftLL [8] o1:(ORshiftLL [16] o2:(ORshiftLL [24] o3:(ORshiftLL [32] o4:(ORshiftLL [40] o5:(ORshiftLL [48] s0:(SLLconst [56] y0:(MOVDnop x0:(MOVBUloadidx ptr idx mem))) y1:(MOVDnop x1:(MOVBUloadidx ptr (ADDconst [1] idx) mem))) y2:(MOVDnop x2:(MOVBUloadidx ptr (ADDconst [2] idx) mem))) y3:(MOVDnop x3:(MOVBUloadidx ptr (ADDconst [3] idx) mem))) y4:(MOVDnop x4:(MOVBUloadidx ptr (ADDconst [4] idx) mem))) y5:(MOVDnop x5:(MOVBUloadidx ptr (ADDconst [5] idx) mem))) y6:(MOVDnop x6:(MOVBUloadidx ptr (ADDconst [6] idx) mem))) y7:(MOVDnop x7:(MOVBUloadidx ptr (ADDconst [7] idx) mem))) + // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) != nil && clobber(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, y6, y7, o0, o1, o2, o3, o4, o5, s0) + // result: @mergePoint(b,x0,x1,x2,x3,x4,x5,x6,x7) (REV <t> (MOVDloadidx <t> ptr idx mem)) + for { + t := v.Type + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + o0 := v_0 + if o0.Op != OpARM64ORshiftLL || auxIntToInt64(o0.AuxInt) != 8 { + continue + } + _ = o0.Args[1] + o1 := o0.Args[0] + if o1.Op != OpARM64ORshiftLL || auxIntToInt64(o1.AuxInt) != 16 { + continue + } + _ = o1.Args[1] + o2 := o1.Args[0] + if o2.Op != OpARM64ORshiftLL || auxIntToInt64(o2.AuxInt) != 24 { + continue + } + _ = o2.Args[1] + o3 := o2.Args[0] + if o3.Op != OpARM64ORshiftLL || auxIntToInt64(o3.AuxInt) != 32 { + continue + } + _ = o3.Args[1] + o4 := o3.Args[0] + if o4.Op != OpARM64ORshiftLL || auxIntToInt64(o4.AuxInt) != 40 { + continue + } + _ = o4.Args[1] + o5 := o4.Args[0] + if o5.Op != OpARM64ORshiftLL || auxIntToInt64(o5.AuxInt) != 48 { + continue + } + _ = o5.Args[1] + s0 := o5.Args[0] + if s0.Op != OpARM64SLLconst || auxIntToInt64(s0.AuxInt) != 56 { + continue + } + y0 := s0.Args[0] + if y0.Op != OpARM64MOVDnop { + continue + } + x0 := y0.Args[0] + if x0.Op != OpARM64MOVBUloadidx { + continue + } + mem := x0.Args[2] + ptr := x0.Args[0] + idx := x0.Args[1] + y1 := o5.Args[1] + if y1.Op != OpARM64MOVDnop { + continue + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUloadidx { + continue + } + _ = x1.Args[2] + if ptr != x1.Args[0] { + continue + } + x1_1 := x1.Args[1] + if x1_1.Op != OpARM64ADDconst || auxIntToInt64(x1_1.AuxInt) != 1 || idx != x1_1.Args[0] || mem != x1.Args[2] { + continue + } + y2 := o4.Args[1] + if y2.Op != OpARM64MOVDnop { + continue + } + x2 := y2.Args[0] + if x2.Op != OpARM64MOVBUloadidx { + continue + } + _ = x2.Args[2] + if ptr != x2.Args[0] { + continue + } + x2_1 := x2.Args[1] + if x2_1.Op != OpARM64ADDconst || auxIntToInt64(x2_1.AuxInt) != 2 || idx != x2_1.Args[0] || mem != x2.Args[2] { + continue + } + y3 := o3.Args[1] + if y3.Op != OpARM64MOVDnop { + continue + } + x3 := y3.Args[0] + if x3.Op != OpARM64MOVBUloadidx { + continue + } + _ = x3.Args[2] + if ptr != x3.Args[0] { + continue + } + x3_1 := x3.Args[1] + if x3_1.Op != OpARM64ADDconst || auxIntToInt64(x3_1.AuxInt) != 3 || idx != x3_1.Args[0] || mem != x3.Args[2] { + continue + } + y4 := o2.Args[1] + if y4.Op != OpARM64MOVDnop { + continue + } + x4 := y4.Args[0] + if x4.Op != OpARM64MOVBUloadidx { + continue + } + _ = x4.Args[2] + if ptr != x4.Args[0] { + continue + } + x4_1 := x4.Args[1] + if x4_1.Op != OpARM64ADDconst || auxIntToInt64(x4_1.AuxInt) != 4 || idx != x4_1.Args[0] || mem != x4.Args[2] { + continue + } + y5 := o1.Args[1] + if y5.Op != OpARM64MOVDnop { + continue + } + x5 := y5.Args[0] + if x5.Op != OpARM64MOVBUloadidx { + continue + } + _ = x5.Args[2] + if ptr != x5.Args[0] { + continue + } + x5_1 := x5.Args[1] + if x5_1.Op != OpARM64ADDconst || auxIntToInt64(x5_1.AuxInt) != 5 || idx != x5_1.Args[0] || mem != x5.Args[2] { + continue + } + y6 := o0.Args[1] + if y6.Op != OpARM64MOVDnop { + continue + } + x6 := y6.Args[0] + if x6.Op != OpARM64MOVBUloadidx { + continue + } + _ = x6.Args[2] + if ptr != x6.Args[0] { + continue + } + x6_1 := x6.Args[1] + if x6_1.Op != OpARM64ADDconst || auxIntToInt64(x6_1.AuxInt) != 6 || idx != x6_1.Args[0] || mem != x6.Args[2] { + continue + } + y7 := v_1 + if y7.Op != OpARM64MOVDnop { + continue + } + x7 := y7.Args[0] + if x7.Op != OpARM64MOVBUloadidx { + continue + } + _ = x7.Args[2] + if ptr != x7.Args[0] { + continue + } + x7_1 := x7.Args[1] + if x7_1.Op != OpARM64ADDconst || auxIntToInt64(x7_1.AuxInt) != 7 || idx != x7_1.Args[0] || mem != x7.Args[2] || !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && x5.Uses == 1 && x6.Uses == 1 && x7.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && y5.Uses == 1 && y6.Uses == 1 && y7.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && o3.Uses == 1 && o4.Uses == 1 && o5.Uses == 1 && s0.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) != nil && clobber(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, y6, y7, o0, o1, o2, o3, o4, o5, s0)) { + continue + } + b = mergePoint(b, x0, x1, x2, x3, x4, x5, x6, x7) + v0 := b.NewValue0(v.Pos, OpARM64REV, t) + v.copyOf(v0) + v1 := b.NewValue0(v.Pos, OpARM64MOVDloadidx, t) + v1.AddArg3(ptr, idx, mem) + v0.AddArg(v1) + return true + } + break + } + return false +} +func rewriteValueARM64_OpARM64ORN(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (ORN x (MOVDconst [c])) + // result: (ORconst [^c] x) + for { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64ORconst) + v.AuxInt = int64ToAuxInt(^c) + v.AddArg(x) + return true + } + // match: (ORN x x) + // result: (MOVDconst [-1]) + for { + x := v_0 + if x != v_1 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(-1) + return true + } + // match: (ORN x0 x1:(SLLconst [c] y)) + // cond: clobberIfDead(x1) + // result: (ORNshiftLL x0 y [c]) + for { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SLLconst { + break + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + break + } + v.reset(OpARM64ORNshiftLL) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + // match: (ORN x0 x1:(SRLconst [c] y)) + // cond: clobberIfDead(x1) + // result: (ORNshiftRL x0 y [c]) + for { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SRLconst { + break + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + break + } + v.reset(OpARM64ORNshiftRL) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + // match: (ORN x0 x1:(SRAconst [c] y)) + // cond: clobberIfDead(x1) + // result: (ORNshiftRA x0 y [c]) + for { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SRAconst { + break + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + break + } + v.reset(OpARM64ORNshiftRA) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + // match: (ORN x0 x1:(RORconst [c] y)) + // cond: clobberIfDead(x1) + // result: (ORNshiftRO x0 y [c]) + for { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64RORconst { + break + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + break + } + v.reset(OpARM64ORNshiftRO) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + return false +} +func rewriteValueARM64_OpARM64ORNshiftLL(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (ORNshiftLL x (MOVDconst [c]) [d]) + // result: (ORconst x [^int64(uint64(c)<<uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64ORconst) + v.AuxInt = int64ToAuxInt(^int64(uint64(c) << uint64(d))) + v.AddArg(x) + return true + } + // match: (ORNshiftLL (SLLconst x [c]) x [c]) + // result: (MOVDconst [-1]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(-1) + return true + } + return false +} +func rewriteValueARM64_OpARM64ORNshiftRA(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (ORNshiftRA x (MOVDconst [c]) [d]) + // result: (ORconst x [^(c>>uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64ORconst) + v.AuxInt = int64ToAuxInt(^(c >> uint64(d))) + v.AddArg(x) + return true + } + // match: (ORNshiftRA (SRAconst x [c]) x [c]) + // result: (MOVDconst [-1]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(-1) + return true + } + return false +} +func rewriteValueARM64_OpARM64ORNshiftRL(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (ORNshiftRL x (MOVDconst [c]) [d]) + // result: (ORconst x [^int64(uint64(c)>>uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64ORconst) + v.AuxInt = int64ToAuxInt(^int64(uint64(c) >> uint64(d))) + v.AddArg(x) + return true + } + // match: (ORNshiftRL (SRLconst x [c]) x [c]) + // result: (MOVDconst [-1]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(-1) + return true + } + return false +} +func rewriteValueARM64_OpARM64ORNshiftRO(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (ORNshiftRO x (MOVDconst [c]) [d]) + // result: (ORconst x [^rotateRight64(c, d)]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64ORconst) + v.AuxInt = int64ToAuxInt(^rotateRight64(c, d)) + v.AddArg(x) + return true + } + // match: (ORNshiftRO (RORconst x [c]) x [c]) + // result: (MOVDconst [-1]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64RORconst || auxIntToInt64(v_0.AuxInt) != c { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(-1) + return true + } + return false +} +func rewriteValueARM64_OpARM64ORconst(v *Value) bool { + v_0 := v.Args[0] + // match: (ORconst [0] x) + // result: x + for { + if auxIntToInt64(v.AuxInt) != 0 { + break + } + x := v_0 + v.copyOf(x) + return true + } + // match: (ORconst [-1] _) + // result: (MOVDconst [-1]) + for { + if auxIntToInt64(v.AuxInt) != -1 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(-1) + return true + } + // match: (ORconst [c] (MOVDconst [d])) + // result: (MOVDconst [c|d]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + d := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(c | d) + return true + } + // match: (ORconst [c] (ORconst [d] x)) + // result: (ORconst [c|d] x) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64ORconst { + break + } + d := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + v.reset(OpARM64ORconst) + v.AuxInt = int64ToAuxInt(c | d) + v.AddArg(x) + return true + } + // match: (ORconst [c1] (ANDconst [c2] x)) + // cond: c2|c1 == ^0 + // result: (ORconst [c1] x) + for { + c1 := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64ANDconst { + break + } + c2 := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(c2|c1 == ^0) { + break + } + v.reset(OpARM64ORconst) + v.AuxInt = int64ToAuxInt(c1) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64ORshiftLL(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (ORshiftLL (MOVDconst [c]) x [d]) + // result: (ORconst [c] (SLLconst <x.Type> x [d])) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64ORconst) + v.AuxInt = int64ToAuxInt(c) + v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) + v0.AuxInt = int64ToAuxInt(d) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: (ORshiftLL x (MOVDconst [c]) [d]) + // result: (ORconst x [int64(uint64(c)<<uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64ORconst) + v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d))) + v.AddArg(x) + return true + } + // match: (ORshiftLL y:(SLLconst x [c]) x [c]) + // result: y + for { + c := auxIntToInt64(v.AuxInt) + y := v_0 + if y.Op != OpARM64SLLconst || auxIntToInt64(y.AuxInt) != c { + break + } + x := y.Args[0] + if x != v_1 { + break + } + v.copyOf(y) + return true + } + // match: ( ORshiftLL [c] (SRLconst x [64-c]) x) + // result: (RORconst [64-c] x) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 64-c { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64RORconst) + v.AuxInt = int64ToAuxInt(64 - c) + v.AddArg(x) + return true + } + // match: ( ORshiftLL <t> [c] (UBFX [bfc] x) x) + // cond: c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c) + // result: (RORWconst [32-c] x) + for { + t := v.Type + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64UBFX { + break + } + bfc := auxIntToArm64BitField(v_0.AuxInt) + x := v_0.Args[0] + if x != v_1 || !(c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)) { + break + } + v.reset(OpARM64RORWconst) + v.AuxInt = int64ToAuxInt(32 - c) + v.AddArg(x) + return true + } + // match: (ORshiftLL <typ.UInt16> [8] (UBFX <typ.UInt16> [armBFAuxInt(8, 8)] x) x) + // result: (REV16W x) + for { + if v.Type != typ.UInt16 || auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || v_0.Type != typ.UInt16 || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 8) { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64REV16W) + v.AddArg(x) + return true + } + // match: (ORshiftLL [8] (UBFX [armBFAuxInt(8, 24)] (ANDconst [c1] x)) (ANDconst [c2] x)) + // cond: uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff + // result: (REV16W x) + for { + if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 24) { + break + } + v_0_0 := v_0.Args[0] + if v_0_0.Op != OpARM64ANDconst { + break + } + c1 := auxIntToInt64(v_0_0.AuxInt) + x := v_0_0.Args[0] + if v_1.Op != OpARM64ANDconst { + break + } + c2 := auxIntToInt64(v_1.AuxInt) + if x != v_1.Args[0] || !(uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff) { + break + } + v.reset(OpARM64REV16W) + v.AddArg(x) + return true + } + // match: (ORshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x)) + // cond: (uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff) + // result: (REV16 x) + for { + if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 { + break + } + v_0_0 := v_0.Args[0] + if v_0_0.Op != OpARM64ANDconst { + break + } + c1 := auxIntToInt64(v_0_0.AuxInt) + x := v_0_0.Args[0] + if v_1.Op != OpARM64ANDconst { + break + } + c2 := auxIntToInt64(v_1.AuxInt) + if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff) { + break + } + v.reset(OpARM64REV16) + v.AddArg(x) + return true + } + // match: (ORshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x)) + // cond: (uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff) + // result: (REV16 (ANDconst <x.Type> [0xffffffff] x)) + for { + if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 { + break + } + v_0_0 := v_0.Args[0] + if v_0_0.Op != OpARM64ANDconst { + break + } + c1 := auxIntToInt64(v_0_0.AuxInt) + x := v_0_0.Args[0] + if v_1.Op != OpARM64ANDconst { + break + } + c2 := auxIntToInt64(v_1.AuxInt) + if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff) { + break + } + v.reset(OpARM64REV16) + v0 := b.NewValue0(v.Pos, OpARM64ANDconst, x.Type) + v0.AuxInt = int64ToAuxInt(0xffffffff) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: ( ORshiftLL [c] (SRLconst x [64-c]) x2) + // result: (EXTRconst [64-c] x2 x) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 64-c { + break + } + x := v_0.Args[0] + x2 := v_1 + v.reset(OpARM64EXTRconst) + v.AuxInt = int64ToAuxInt(64 - c) + v.AddArg2(x2, x) + return true + } + // match: ( ORshiftLL <t> [c] (UBFX [bfc] x) x2) + // cond: c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c) + // result: (EXTRWconst [32-c] x2 x) + for { + t := v.Type + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64UBFX { + break + } + bfc := auxIntToArm64BitField(v_0.AuxInt) + x := v_0.Args[0] + x2 := v_1 + if !(c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)) { + break + } + v.reset(OpARM64EXTRWconst) + v.AuxInt = int64ToAuxInt(32 - c) + v.AddArg2(x2, x) + return true + } + // match: (ORshiftLL [sc] (UBFX [bfc] x) (SRLconst [sc] y)) + // cond: sc == bfc.getARM64BFwidth() + // result: (BFXIL [bfc] y x) + for { + sc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64UBFX { + break + } + bfc := auxIntToArm64BitField(v_0.AuxInt) + x := v_0.Args[0] + if v_1.Op != OpARM64SRLconst || auxIntToInt64(v_1.AuxInt) != sc { + break + } + y := v_1.Args[0] + if !(sc == bfc.getARM64BFwidth()) { + break + } + v.reset(OpARM64BFXIL) + v.AuxInt = arm64BitFieldToAuxInt(bfc) + v.AddArg2(y, x) + return true + } + // match: (ORshiftLL <t> [8] y0:(MOVDnop x0:(MOVBUload [i0] {s} p mem)) y1:(MOVDnop x1:(MOVBUload [i1] {s} p mem))) + // cond: i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0, x1, y0, y1) + // result: @mergePoint(b,x0,x1) (MOVHUload <t> {s} (OffPtr <p.Type> [int64(i0)] p) mem) + for { + t := v.Type + if auxIntToInt64(v.AuxInt) != 8 { + break + } + y0 := v_0 + if y0.Op != OpARM64MOVDnop { + break + } + x0 := y0.Args[0] + if x0.Op != OpARM64MOVBUload { + break + } + i0 := auxIntToInt32(x0.AuxInt) + s := auxToSym(x0.Aux) + mem := x0.Args[1] + p := x0.Args[0] + y1 := v_1 + if y1.Op != OpARM64MOVDnop { + break + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUload { + break + } + i1 := auxIntToInt32(x1.AuxInt) + if auxToSym(x1.Aux) != s { + break + } + _ = x1.Args[1] + if p != x1.Args[0] || mem != x1.Args[1] || !(i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0, x1, y0, y1)) { + break + } + b = mergePoint(b, x0, x1) + v0 := b.NewValue0(x1.Pos, OpARM64MOVHUload, t) + v.copyOf(v0) + v0.Aux = symToAux(s) + v1 := b.NewValue0(x1.Pos, OpOffPtr, p.Type) + v1.AuxInt = int64ToAuxInt(int64(i0)) + v1.AddArg(p) + v0.AddArg2(v1, mem) + return true + } + // match: (ORshiftLL <t> [8] y0:(MOVDnop x0:(MOVBUloadidx ptr0 idx0 mem)) y1:(MOVDnop x1:(MOVBUload [1] {s} p1:(ADD ptr1 idx1) mem))) + // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && mergePoint(b,x0,x1) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x0, x1, y0, y1) + // result: @mergePoint(b,x0,x1) (MOVHUloadidx <t> ptr0 idx0 mem) + for { + t := v.Type + if auxIntToInt64(v.AuxInt) != 8 { + break + } + y0 := v_0 + if y0.Op != OpARM64MOVDnop { + break + } + x0 := y0.Args[0] + if x0.Op != OpARM64MOVBUloadidx { + break + } + mem := x0.Args[2] + ptr0 := x0.Args[0] + idx0 := x0.Args[1] + y1 := v_1 + if y1.Op != OpARM64MOVDnop { + break + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUload || auxIntToInt32(x1.AuxInt) != 1 { + break + } + s := auxToSym(x1.Aux) + _ = x1.Args[1] + p1 := x1.Args[0] + if p1.Op != OpARM64ADD { + break + } + _ = p1.Args[1] + p1_0 := p1.Args[0] + p1_1 := p1.Args[1] + for _i0 := 0; _i0 <= 1; _i0, p1_0, p1_1 = _i0+1, p1_1, p1_0 { + ptr1 := p1_0 + idx1 := p1_1 + if mem != x1.Args[1] || !(s == nil && x0.Uses == 1 && x1.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && mergePoint(b, x0, x1) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x0, x1, y0, y1)) { + continue + } + b = mergePoint(b, x0, x1) + v0 := b.NewValue0(x1.Pos, OpARM64MOVHUloadidx, t) + v.copyOf(v0) + v0.AddArg3(ptr0, idx0, mem) + return true + } + break + } + // match: (ORshiftLL <t> [8] y0:(MOVDnop x0:(MOVBUloadidx ptr idx mem)) y1:(MOVDnop x1:(MOVBUloadidx ptr (ADDconst [1] idx) mem))) + // cond: x0.Uses == 1 && x1.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0, x1, y0, y1) + // result: @mergePoint(b,x0,x1) (MOVHUloadidx <t> ptr idx mem) + for { + t := v.Type + if auxIntToInt64(v.AuxInt) != 8 { + break + } + y0 := v_0 + if y0.Op != OpARM64MOVDnop { + break + } + x0 := y0.Args[0] + if x0.Op != OpARM64MOVBUloadidx { + break + } + mem := x0.Args[2] + ptr := x0.Args[0] + idx := x0.Args[1] + y1 := v_1 + if y1.Op != OpARM64MOVDnop { + break + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUloadidx { + break + } + _ = x1.Args[2] + if ptr != x1.Args[0] { + break + } + x1_1 := x1.Args[1] + if x1_1.Op != OpARM64ADDconst || auxIntToInt64(x1_1.AuxInt) != 1 || idx != x1_1.Args[0] || mem != x1.Args[2] || !(x0.Uses == 1 && x1.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0, x1, y0, y1)) { + break + } + b = mergePoint(b, x0, x1) + v0 := b.NewValue0(v.Pos, OpARM64MOVHUloadidx, t) + v.copyOf(v0) + v0.AddArg3(ptr, idx, mem) + return true + } + // match: (ORshiftLL <t> [24] o0:(ORshiftLL [16] x0:(MOVHUload [i0] {s} p mem) y1:(MOVDnop x1:(MOVBUload [i2] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i3] {s} p mem))) + // cond: i2 == i0+2 && i3 == i0+3 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b,x0,x1,x2) != nil && clobber(x0, x1, x2, y1, y2, o0) + // result: @mergePoint(b,x0,x1,x2) (MOVWUload <t> {s} (OffPtr <p.Type> [int64(i0)] p) mem) + for { + t := v.Type + if auxIntToInt64(v.AuxInt) != 24 { + break + } + o0 := v_0 + if o0.Op != OpARM64ORshiftLL || auxIntToInt64(o0.AuxInt) != 16 { + break + } + _ = o0.Args[1] + x0 := o0.Args[0] + if x0.Op != OpARM64MOVHUload { + break + } + i0 := auxIntToInt32(x0.AuxInt) + s := auxToSym(x0.Aux) + mem := x0.Args[1] + p := x0.Args[0] + y1 := o0.Args[1] + if y1.Op != OpARM64MOVDnop { + break + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUload { + break + } + i2 := auxIntToInt32(x1.AuxInt) + if auxToSym(x1.Aux) != s { + break + } + _ = x1.Args[1] + if p != x1.Args[0] || mem != x1.Args[1] { + break + } + y2 := v_1 + if y2.Op != OpARM64MOVDnop { + break + } + x2 := y2.Args[0] + if x2.Op != OpARM64MOVBUload { + break + } + i3 := auxIntToInt32(x2.AuxInt) + if auxToSym(x2.Aux) != s { + break + } + _ = x2.Args[1] + if p != x2.Args[0] || mem != x2.Args[1] || !(i2 == i0+2 && i3 == i0+3 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b, x0, x1, x2) != nil && clobber(x0, x1, x2, y1, y2, o0)) { + break + } + b = mergePoint(b, x0, x1, x2) + v0 := b.NewValue0(x2.Pos, OpARM64MOVWUload, t) + v.copyOf(v0) + v0.Aux = symToAux(s) + v1 := b.NewValue0(x2.Pos, OpOffPtr, p.Type) + v1.AuxInt = int64ToAuxInt(int64(i0)) + v1.AddArg(p) + v0.AddArg2(v1, mem) + return true + } + // match: (ORshiftLL <t> [24] o0:(ORshiftLL [16] x0:(MOVHUloadidx ptr0 idx0 mem) y1:(MOVDnop x1:(MOVBUload [2] {s} p1:(ADD ptr1 idx1) mem))) y2:(MOVDnop x2:(MOVBUload [3] {s} p mem))) + // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b,x0,x1,x2) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0, x1, x2, y1, y2, o0) + // result: @mergePoint(b,x0,x1,x2) (MOVWUloadidx <t> ptr0 idx0 mem) + for { + t := v.Type + if auxIntToInt64(v.AuxInt) != 24 { + break + } + o0 := v_0 + if o0.Op != OpARM64ORshiftLL || auxIntToInt64(o0.AuxInt) != 16 { + break + } + _ = o0.Args[1] + x0 := o0.Args[0] + if x0.Op != OpARM64MOVHUloadidx { + break + } + mem := x0.Args[2] + ptr0 := x0.Args[0] + idx0 := x0.Args[1] + y1 := o0.Args[1] + if y1.Op != OpARM64MOVDnop { + break + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUload || auxIntToInt32(x1.AuxInt) != 2 { + break + } + s := auxToSym(x1.Aux) + _ = x1.Args[1] + p1 := x1.Args[0] + if p1.Op != OpARM64ADD { + break + } + _ = p1.Args[1] + p1_0 := p1.Args[0] + p1_1 := p1.Args[1] + for _i0 := 0; _i0 <= 1; _i0, p1_0, p1_1 = _i0+1, p1_1, p1_0 { + ptr1 := p1_0 + idx1 := p1_1 + if mem != x1.Args[1] { + continue + } + y2 := v_1 + if y2.Op != OpARM64MOVDnop { + continue + } + x2 := y2.Args[0] + if x2.Op != OpARM64MOVBUload || auxIntToInt32(x2.AuxInt) != 3 || auxToSym(x2.Aux) != s { + continue + } + _ = x2.Args[1] + p := x2.Args[0] + if mem != x2.Args[1] || !(s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b, x0, x1, x2) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0, x1, x2, y1, y2, o0)) { + continue + } + b = mergePoint(b, x0, x1, x2) + v0 := b.NewValue0(x2.Pos, OpARM64MOVWUloadidx, t) + v.copyOf(v0) + v0.AddArg3(ptr0, idx0, mem) + return true + } + break + } + // match: (ORshiftLL <t> [24] o0:(ORshiftLL [16] x0:(MOVHUloadidx ptr idx mem) y1:(MOVDnop x1:(MOVBUloadidx ptr (ADDconst [2] idx) mem))) y2:(MOVDnop x2:(MOVBUloadidx ptr (ADDconst [3] idx) mem))) + // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b,x0,x1,x2) != nil && clobber(x0, x1, x2, y1, y2, o0) + // result: @mergePoint(b,x0,x1,x2) (MOVWUloadidx <t> ptr idx mem) + for { + t := v.Type + if auxIntToInt64(v.AuxInt) != 24 { + break + } + o0 := v_0 + if o0.Op != OpARM64ORshiftLL || auxIntToInt64(o0.AuxInt) != 16 { + break + } + _ = o0.Args[1] + x0 := o0.Args[0] + if x0.Op != OpARM64MOVHUloadidx { + break + } + mem := x0.Args[2] + ptr := x0.Args[0] + idx := x0.Args[1] + y1 := o0.Args[1] + if y1.Op != OpARM64MOVDnop { + break + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUloadidx { + break + } + _ = x1.Args[2] + if ptr != x1.Args[0] { + break + } + x1_1 := x1.Args[1] + if x1_1.Op != OpARM64ADDconst || auxIntToInt64(x1_1.AuxInt) != 2 || idx != x1_1.Args[0] || mem != x1.Args[2] { + break + } + y2 := v_1 + if y2.Op != OpARM64MOVDnop { + break + } + x2 := y2.Args[0] + if x2.Op != OpARM64MOVBUloadidx { + break + } + _ = x2.Args[2] + if ptr != x2.Args[0] { + break + } + x2_1 := x2.Args[1] + if x2_1.Op != OpARM64ADDconst || auxIntToInt64(x2_1.AuxInt) != 3 || idx != x2_1.Args[0] || mem != x2.Args[2] || !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b, x0, x1, x2) != nil && clobber(x0, x1, x2, y1, y2, o0)) { + break + } + b = mergePoint(b, x0, x1, x2) + v0 := b.NewValue0(v.Pos, OpARM64MOVWUloadidx, t) + v.copyOf(v0) + v0.AddArg3(ptr, idx, mem) + return true + } + // match: (ORshiftLL <t> [24] o0:(ORshiftLL [16] x0:(MOVHUloadidx2 ptr0 idx0 mem) y1:(MOVDnop x1:(MOVBUload [2] {s} p1:(ADDshiftLL [1] ptr1 idx1) mem))) y2:(MOVDnop x2:(MOVBUload [3] {s} p mem))) + // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b,x0,x1,x2) != nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && isSamePtr(p1, p) && clobber(x0, x1, x2, y1, y2, o0) + // result: @mergePoint(b,x0,x1,x2) (MOVWUloadidx <t> ptr0 (SLLconst <idx0.Type> [1] idx0) mem) + for { + t := v.Type + if auxIntToInt64(v.AuxInt) != 24 { + break + } + o0 := v_0 + if o0.Op != OpARM64ORshiftLL || auxIntToInt64(o0.AuxInt) != 16 { + break + } + _ = o0.Args[1] + x0 := o0.Args[0] + if x0.Op != OpARM64MOVHUloadidx2 { + break + } + mem := x0.Args[2] + ptr0 := x0.Args[0] + idx0 := x0.Args[1] + y1 := o0.Args[1] + if y1.Op != OpARM64MOVDnop { + break + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUload || auxIntToInt32(x1.AuxInt) != 2 { + break + } + s := auxToSym(x1.Aux) + _ = x1.Args[1] + p1 := x1.Args[0] + if p1.Op != OpARM64ADDshiftLL || auxIntToInt64(p1.AuxInt) != 1 { + break + } + idx1 := p1.Args[1] + ptr1 := p1.Args[0] + if mem != x1.Args[1] { + break + } + y2 := v_1 + if y2.Op != OpARM64MOVDnop { + break + } + x2 := y2.Args[0] + if x2.Op != OpARM64MOVBUload || auxIntToInt32(x2.AuxInt) != 3 || auxToSym(x2.Aux) != s { + break + } + _ = x2.Args[1] + p := x2.Args[0] + if mem != x2.Args[1] || !(s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b, x0, x1, x2) != nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && isSamePtr(p1, p) && clobber(x0, x1, x2, y1, y2, o0)) { + break + } + b = mergePoint(b, x0, x1, x2) + v0 := b.NewValue0(x2.Pos, OpARM64MOVWUloadidx, t) + v.copyOf(v0) + v1 := b.NewValue0(x2.Pos, OpARM64SLLconst, idx0.Type) + v1.AuxInt = int64ToAuxInt(1) + v1.AddArg(idx0) + v0.AddArg3(ptr0, v1, mem) + return true + } + // match: (ORshiftLL <t> [56] o0:(ORshiftLL [48] o1:(ORshiftLL [40] o2:(ORshiftLL [32] x0:(MOVWUload [i0] {s} p mem) y1:(MOVDnop x1:(MOVBUload [i4] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i5] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [i6] {s} p mem))) y4:(MOVDnop x4:(MOVBUload [i7] {s} p mem))) + // cond: i4 == i0+4 && i5 == i0+5 && i6 == i0+6 && i7 == i0+7 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4) != nil && clobber(x0, x1, x2, x3, x4, y1, y2, y3, y4, o0, o1, o2) + // result: @mergePoint(b,x0,x1,x2,x3,x4) (MOVDload <t> {s} (OffPtr <p.Type> [int64(i0)] p) mem) + for { + t := v.Type + if auxIntToInt64(v.AuxInt) != 56 { + break + } + o0 := v_0 + if o0.Op != OpARM64ORshiftLL || auxIntToInt64(o0.AuxInt) != 48 { + break + } + _ = o0.Args[1] + o1 := o0.Args[0] + if o1.Op != OpARM64ORshiftLL || auxIntToInt64(o1.AuxInt) != 40 { + break + } + _ = o1.Args[1] + o2 := o1.Args[0] + if o2.Op != OpARM64ORshiftLL || auxIntToInt64(o2.AuxInt) != 32 { + break + } + _ = o2.Args[1] + x0 := o2.Args[0] + if x0.Op != OpARM64MOVWUload { + break + } + i0 := auxIntToInt32(x0.AuxInt) + s := auxToSym(x0.Aux) + mem := x0.Args[1] + p := x0.Args[0] + y1 := o2.Args[1] + if y1.Op != OpARM64MOVDnop { + break + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUload { + break + } + i4 := auxIntToInt32(x1.AuxInt) + if auxToSym(x1.Aux) != s { + break + } + _ = x1.Args[1] + if p != x1.Args[0] || mem != x1.Args[1] { + break + } + y2 := o1.Args[1] + if y2.Op != OpARM64MOVDnop { + break + } + x2 := y2.Args[0] + if x2.Op != OpARM64MOVBUload { + break + } + i5 := auxIntToInt32(x2.AuxInt) + if auxToSym(x2.Aux) != s { + break + } + _ = x2.Args[1] + if p != x2.Args[0] || mem != x2.Args[1] { + break + } + y3 := o0.Args[1] + if y3.Op != OpARM64MOVDnop { + break + } + x3 := y3.Args[0] + if x3.Op != OpARM64MOVBUload { + break + } + i6 := auxIntToInt32(x3.AuxInt) + if auxToSym(x3.Aux) != s { + break + } + _ = x3.Args[1] + if p != x3.Args[0] || mem != x3.Args[1] { + break + } + y4 := v_1 + if y4.Op != OpARM64MOVDnop { + break + } + x4 := y4.Args[0] + if x4.Op != OpARM64MOVBUload { + break + } + i7 := auxIntToInt32(x4.AuxInt) + if auxToSym(x4.Aux) != s { + break + } + _ = x4.Args[1] + if p != x4.Args[0] || mem != x4.Args[1] || !(i4 == i0+4 && i5 == i0+5 && i6 == i0+6 && i7 == i0+7 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4) != nil && clobber(x0, x1, x2, x3, x4, y1, y2, y3, y4, o0, o1, o2)) { + break + } + b = mergePoint(b, x0, x1, x2, x3, x4) + v0 := b.NewValue0(x4.Pos, OpARM64MOVDload, t) + v.copyOf(v0) + v0.Aux = symToAux(s) + v1 := b.NewValue0(x4.Pos, OpOffPtr, p.Type) + v1.AuxInt = int64ToAuxInt(int64(i0)) + v1.AddArg(p) + v0.AddArg2(v1, mem) + return true + } + // match: (ORshiftLL <t> [56] o0:(ORshiftLL [48] o1:(ORshiftLL [40] o2:(ORshiftLL [32] x0:(MOVWUloadidx ptr0 idx0 mem) y1:(MOVDnop x1:(MOVBUload [4] {s} p1:(ADD ptr1 idx1) mem))) y2:(MOVDnop x2:(MOVBUload [5] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [6] {s} p mem))) y4:(MOVDnop x4:(MOVBUload [7] {s} p mem))) + // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0, x1, x2, x3, x4, y1, y2, y3, y4, o0, o1, o2) + // result: @mergePoint(b,x0,x1,x2,x3,x4) (MOVDloadidx <t> ptr0 idx0 mem) + for { + t := v.Type + if auxIntToInt64(v.AuxInt) != 56 { + break + } + o0 := v_0 + if o0.Op != OpARM64ORshiftLL || auxIntToInt64(o0.AuxInt) != 48 { + break + } + _ = o0.Args[1] + o1 := o0.Args[0] + if o1.Op != OpARM64ORshiftLL || auxIntToInt64(o1.AuxInt) != 40 { + break + } + _ = o1.Args[1] + o2 := o1.Args[0] + if o2.Op != OpARM64ORshiftLL || auxIntToInt64(o2.AuxInt) != 32 { + break + } + _ = o2.Args[1] + x0 := o2.Args[0] + if x0.Op != OpARM64MOVWUloadidx { + break + } + mem := x0.Args[2] + ptr0 := x0.Args[0] + idx0 := x0.Args[1] + y1 := o2.Args[1] + if y1.Op != OpARM64MOVDnop { + break + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUload || auxIntToInt32(x1.AuxInt) != 4 { + break + } + s := auxToSym(x1.Aux) + _ = x1.Args[1] + p1 := x1.Args[0] + if p1.Op != OpARM64ADD { + break + } + _ = p1.Args[1] + p1_0 := p1.Args[0] + p1_1 := p1.Args[1] + for _i0 := 0; _i0 <= 1; _i0, p1_0, p1_1 = _i0+1, p1_1, p1_0 { + ptr1 := p1_0 + idx1 := p1_1 + if mem != x1.Args[1] { + continue + } + y2 := o1.Args[1] + if y2.Op != OpARM64MOVDnop { + continue + } + x2 := y2.Args[0] + if x2.Op != OpARM64MOVBUload || auxIntToInt32(x2.AuxInt) != 5 || auxToSym(x2.Aux) != s { + continue + } + _ = x2.Args[1] + p := x2.Args[0] + if mem != x2.Args[1] { + continue + } + y3 := o0.Args[1] + if y3.Op != OpARM64MOVDnop { + continue + } + x3 := y3.Args[0] + if x3.Op != OpARM64MOVBUload || auxIntToInt32(x3.AuxInt) != 6 || auxToSym(x3.Aux) != s { + continue + } + _ = x3.Args[1] + if p != x3.Args[0] || mem != x3.Args[1] { + continue + } + y4 := v_1 + if y4.Op != OpARM64MOVDnop { + continue + } + x4 := y4.Args[0] + if x4.Op != OpARM64MOVBUload || auxIntToInt32(x4.AuxInt) != 7 || auxToSym(x4.Aux) != s { + continue + } + _ = x4.Args[1] + if p != x4.Args[0] || mem != x4.Args[1] || !(s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0, x1, x2, x3, x4, y1, y2, y3, y4, o0, o1, o2)) { + continue + } + b = mergePoint(b, x0, x1, x2, x3, x4) + v0 := b.NewValue0(x4.Pos, OpARM64MOVDloadidx, t) + v.copyOf(v0) + v0.AddArg3(ptr0, idx0, mem) + return true + } + break + } + // match: (ORshiftLL <t> [56] o0:(ORshiftLL [48] o1:(ORshiftLL [40] o2:(ORshiftLL [32] x0:(MOVWUloadidx4 ptr0 idx0 mem) y1:(MOVDnop x1:(MOVBUload [4] {s} p1:(ADDshiftLL [2] ptr1 idx1) mem))) y2:(MOVDnop x2:(MOVBUload [5] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [6] {s} p mem))) y4:(MOVDnop x4:(MOVBUload [7] {s} p mem))) + // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4) != nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && isSamePtr(p1, p) && clobber(x0, x1, x2, x3, x4, y1, y2, y3, y4, o0, o1, o2) + // result: @mergePoint(b,x0,x1,x2,x3,x4) (MOVDloadidx <t> ptr0 (SLLconst <idx0.Type> [2] idx0) mem) + for { + t := v.Type + if auxIntToInt64(v.AuxInt) != 56 { + break + } + o0 := v_0 + if o0.Op != OpARM64ORshiftLL || auxIntToInt64(o0.AuxInt) != 48 { + break + } + _ = o0.Args[1] + o1 := o0.Args[0] + if o1.Op != OpARM64ORshiftLL || auxIntToInt64(o1.AuxInt) != 40 { + break + } + _ = o1.Args[1] + o2 := o1.Args[0] + if o2.Op != OpARM64ORshiftLL || auxIntToInt64(o2.AuxInt) != 32 { + break + } + _ = o2.Args[1] + x0 := o2.Args[0] + if x0.Op != OpARM64MOVWUloadidx4 { + break + } + mem := x0.Args[2] + ptr0 := x0.Args[0] + idx0 := x0.Args[1] + y1 := o2.Args[1] + if y1.Op != OpARM64MOVDnop { + break + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUload || auxIntToInt32(x1.AuxInt) != 4 { + break + } + s := auxToSym(x1.Aux) + _ = x1.Args[1] + p1 := x1.Args[0] + if p1.Op != OpARM64ADDshiftLL || auxIntToInt64(p1.AuxInt) != 2 { + break + } + idx1 := p1.Args[1] + ptr1 := p1.Args[0] + if mem != x1.Args[1] { + break + } + y2 := o1.Args[1] + if y2.Op != OpARM64MOVDnop { + break + } + x2 := y2.Args[0] + if x2.Op != OpARM64MOVBUload || auxIntToInt32(x2.AuxInt) != 5 || auxToSym(x2.Aux) != s { + break + } + _ = x2.Args[1] + p := x2.Args[0] + if mem != x2.Args[1] { + break + } + y3 := o0.Args[1] + if y3.Op != OpARM64MOVDnop { + break + } + x3 := y3.Args[0] + if x3.Op != OpARM64MOVBUload || auxIntToInt32(x3.AuxInt) != 6 || auxToSym(x3.Aux) != s { + break + } + _ = x3.Args[1] + if p != x3.Args[0] || mem != x3.Args[1] { + break + } + y4 := v_1 + if y4.Op != OpARM64MOVDnop { + break + } + x4 := y4.Args[0] + if x4.Op != OpARM64MOVBUload || auxIntToInt32(x4.AuxInt) != 7 || auxToSym(x4.Aux) != s { + break + } + _ = x4.Args[1] + if p != x4.Args[0] || mem != x4.Args[1] || !(s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4) != nil && isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) && isSamePtr(p1, p) && clobber(x0, x1, x2, x3, x4, y1, y2, y3, y4, o0, o1, o2)) { + break + } + b = mergePoint(b, x0, x1, x2, x3, x4) + v0 := b.NewValue0(x4.Pos, OpARM64MOVDloadidx, t) + v.copyOf(v0) + v1 := b.NewValue0(x4.Pos, OpARM64SLLconst, idx0.Type) + v1.AuxInt = int64ToAuxInt(2) + v1.AddArg(idx0) + v0.AddArg3(ptr0, v1, mem) + return true + } + // match: (ORshiftLL <t> [56] o0:(ORshiftLL [48] o1:(ORshiftLL [40] o2:(ORshiftLL [32] x0:(MOVWUloadidx ptr idx mem) y1:(MOVDnop x1:(MOVBUloadidx ptr (ADDconst [4] idx) mem))) y2:(MOVDnop x2:(MOVBUloadidx ptr (ADDconst [5] idx) mem))) y3:(MOVDnop x3:(MOVBUloadidx ptr (ADDconst [6] idx) mem))) y4:(MOVDnop x4:(MOVBUloadidx ptr (ADDconst [7] idx) mem))) + // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4) != nil && clobber(x0, x1, x2, x3, x4, y1, y2, y3, y4, o0, o1, o2) + // result: @mergePoint(b,x0,x1,x2,x3,x4) (MOVDloadidx <t> ptr idx mem) + for { + t := v.Type + if auxIntToInt64(v.AuxInt) != 56 { + break + } + o0 := v_0 + if o0.Op != OpARM64ORshiftLL || auxIntToInt64(o0.AuxInt) != 48 { + break + } + _ = o0.Args[1] + o1 := o0.Args[0] + if o1.Op != OpARM64ORshiftLL || auxIntToInt64(o1.AuxInt) != 40 { + break + } + _ = o1.Args[1] + o2 := o1.Args[0] + if o2.Op != OpARM64ORshiftLL || auxIntToInt64(o2.AuxInt) != 32 { + break + } + _ = o2.Args[1] + x0 := o2.Args[0] + if x0.Op != OpARM64MOVWUloadidx { + break + } + mem := x0.Args[2] + ptr := x0.Args[0] + idx := x0.Args[1] + y1 := o2.Args[1] + if y1.Op != OpARM64MOVDnop { + break + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUloadidx { + break + } + _ = x1.Args[2] + if ptr != x1.Args[0] { + break + } + x1_1 := x1.Args[1] + if x1_1.Op != OpARM64ADDconst || auxIntToInt64(x1_1.AuxInt) != 4 || idx != x1_1.Args[0] || mem != x1.Args[2] { + break + } + y2 := o1.Args[1] + if y2.Op != OpARM64MOVDnop { + break + } + x2 := y2.Args[0] + if x2.Op != OpARM64MOVBUloadidx { + break + } + _ = x2.Args[2] + if ptr != x2.Args[0] { + break + } + x2_1 := x2.Args[1] + if x2_1.Op != OpARM64ADDconst || auxIntToInt64(x2_1.AuxInt) != 5 || idx != x2_1.Args[0] || mem != x2.Args[2] { + break + } + y3 := o0.Args[1] + if y3.Op != OpARM64MOVDnop { + break + } + x3 := y3.Args[0] + if x3.Op != OpARM64MOVBUloadidx { + break + } + _ = x3.Args[2] + if ptr != x3.Args[0] { + break + } + x3_1 := x3.Args[1] + if x3_1.Op != OpARM64ADDconst || auxIntToInt64(x3_1.AuxInt) != 6 || idx != x3_1.Args[0] || mem != x3.Args[2] { + break + } + y4 := v_1 + if y4.Op != OpARM64MOVDnop { + break + } + x4 := y4.Args[0] + if x4.Op != OpARM64MOVBUloadidx { + break + } + _ = x4.Args[2] + if ptr != x4.Args[0] { + break + } + x4_1 := x4.Args[1] + if x4_1.Op != OpARM64ADDconst || auxIntToInt64(x4_1.AuxInt) != 7 || idx != x4_1.Args[0] || mem != x4.Args[2] || !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4) != nil && clobber(x0, x1, x2, x3, x4, y1, y2, y3, y4, o0, o1, o2)) { + break + } + b = mergePoint(b, x0, x1, x2, x3, x4) + v0 := b.NewValue0(v.Pos, OpARM64MOVDloadidx, t) + v.copyOf(v0) + v0.AddArg3(ptr, idx, mem) + return true + } + // match: (ORshiftLL <t> [8] y0:(MOVDnop x0:(MOVBUload [i1] {s} p mem)) y1:(MOVDnop x1:(MOVBUload [i0] {s} p mem))) + // cond: i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0, x1, y0, y1) + // result: @mergePoint(b,x0,x1) (REV16W <t> (MOVHUload <t> [i0] {s} p mem)) + for { + t := v.Type + if auxIntToInt64(v.AuxInt) != 8 { + break + } + y0 := v_0 + if y0.Op != OpARM64MOVDnop { + break + } + x0 := y0.Args[0] + if x0.Op != OpARM64MOVBUload { + break + } + i1 := auxIntToInt32(x0.AuxInt) + s := auxToSym(x0.Aux) + mem := x0.Args[1] + p := x0.Args[0] + y1 := v_1 + if y1.Op != OpARM64MOVDnop { + break + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUload { + break + } + i0 := auxIntToInt32(x1.AuxInt) + if auxToSym(x1.Aux) != s { + break + } + _ = x1.Args[1] + if p != x1.Args[0] || mem != x1.Args[1] || !(i1 == i0+1 && x0.Uses == 1 && x1.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0, x1, y0, y1)) { + break + } + b = mergePoint(b, x0, x1) + v0 := b.NewValue0(x1.Pos, OpARM64REV16W, t) + v.copyOf(v0) + v1 := b.NewValue0(x1.Pos, OpARM64MOVHUload, t) + v1.AuxInt = int32ToAuxInt(i0) + v1.Aux = symToAux(s) + v1.AddArg2(p, mem) + v0.AddArg(v1) + return true + } + // match: (ORshiftLL <t> [8] y0:(MOVDnop x0:(MOVBUload [1] {s} p1:(ADD ptr1 idx1) mem)) y1:(MOVDnop x1:(MOVBUloadidx ptr0 idx0 mem))) + // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && mergePoint(b,x0,x1) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x0, x1, y0, y1) + // result: @mergePoint(b,x0,x1) (REV16W <t> (MOVHUloadidx <t> ptr0 idx0 mem)) + for { + t := v.Type + if auxIntToInt64(v.AuxInt) != 8 { + break + } + y0 := v_0 + if y0.Op != OpARM64MOVDnop { + break + } + x0 := y0.Args[0] + if x0.Op != OpARM64MOVBUload || auxIntToInt32(x0.AuxInt) != 1 { + break + } + s := auxToSym(x0.Aux) + mem := x0.Args[1] + p1 := x0.Args[0] + if p1.Op != OpARM64ADD { + break + } + _ = p1.Args[1] + p1_0 := p1.Args[0] + p1_1 := p1.Args[1] + for _i0 := 0; _i0 <= 1; _i0, p1_0, p1_1 = _i0+1, p1_1, p1_0 { + ptr1 := p1_0 + idx1 := p1_1 + y1 := v_1 + if y1.Op != OpARM64MOVDnop { + continue + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUloadidx { + continue + } + _ = x1.Args[2] + ptr0 := x1.Args[0] + idx0 := x1.Args[1] + if mem != x1.Args[2] || !(s == nil && x0.Uses == 1 && x1.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && mergePoint(b, x0, x1) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && clobber(x0, x1, y0, y1)) { + continue + } + b = mergePoint(b, x0, x1) + v0 := b.NewValue0(x0.Pos, OpARM64REV16W, t) + v.copyOf(v0) + v1 := b.NewValue0(x0.Pos, OpARM64MOVHUloadidx, t) + v1.AddArg3(ptr0, idx0, mem) + v0.AddArg(v1) + return true + } + break + } + // match: (ORshiftLL <t> [8] y0:(MOVDnop x0:(MOVBUloadidx ptr (ADDconst [1] idx) mem)) y1:(MOVDnop x1:(MOVBUloadidx ptr idx mem))) + // cond: x0.Uses == 1 && x1.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && mergePoint(b,x0,x1) != nil && clobber(x0, x1, y0, y1) + // result: @mergePoint(b,x0,x1) (REV16W <t> (MOVHUloadidx <t> ptr idx mem)) + for { + t := v.Type + if auxIntToInt64(v.AuxInt) != 8 { + break + } + y0 := v_0 + if y0.Op != OpARM64MOVDnop { + break + } + x0 := y0.Args[0] + if x0.Op != OpARM64MOVBUloadidx { + break + } + mem := x0.Args[2] + ptr := x0.Args[0] + x0_1 := x0.Args[1] + if x0_1.Op != OpARM64ADDconst || auxIntToInt64(x0_1.AuxInt) != 1 { + break + } + idx := x0_1.Args[0] + y1 := v_1 + if y1.Op != OpARM64MOVDnop { + break + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUloadidx { + break + } + _ = x1.Args[2] + if ptr != x1.Args[0] || idx != x1.Args[1] || mem != x1.Args[2] || !(x0.Uses == 1 && x1.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && mergePoint(b, x0, x1) != nil && clobber(x0, x1, y0, y1)) { + break + } + b = mergePoint(b, x0, x1) + v0 := b.NewValue0(v.Pos, OpARM64REV16W, t) + v.copyOf(v0) + v1 := b.NewValue0(v.Pos, OpARM64MOVHUloadidx, t) + v1.AddArg3(ptr, idx, mem) + v0.AddArg(v1) + return true + } + // match: (ORshiftLL <t> [24] o0:(ORshiftLL [16] y0:(REV16W x0:(MOVHUload [i2] {s} p mem)) y1:(MOVDnop x1:(MOVBUload [i1] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i0] {s} p mem))) + // cond: i1 == i0+1 && i2 == i0+2 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b,x0,x1,x2) != nil && clobber(x0, x1, x2, y0, y1, y2, o0) + // result: @mergePoint(b,x0,x1,x2) (REVW <t> (MOVWUload <t> {s} (OffPtr <p.Type> [int64(i0)] p) mem)) + for { + t := v.Type + if auxIntToInt64(v.AuxInt) != 24 { + break + } + o0 := v_0 + if o0.Op != OpARM64ORshiftLL || auxIntToInt64(o0.AuxInt) != 16 { + break + } + _ = o0.Args[1] + y0 := o0.Args[0] + if y0.Op != OpARM64REV16W { + break + } + x0 := y0.Args[0] + if x0.Op != OpARM64MOVHUload { + break + } + i2 := auxIntToInt32(x0.AuxInt) + s := auxToSym(x0.Aux) + mem := x0.Args[1] + p := x0.Args[0] + y1 := o0.Args[1] + if y1.Op != OpARM64MOVDnop { + break + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUload { + break + } + i1 := auxIntToInt32(x1.AuxInt) + if auxToSym(x1.Aux) != s { + break + } + _ = x1.Args[1] + if p != x1.Args[0] || mem != x1.Args[1] { + break + } + y2 := v_1 + if y2.Op != OpARM64MOVDnop { + break + } + x2 := y2.Args[0] + if x2.Op != OpARM64MOVBUload { + break + } + i0 := auxIntToInt32(x2.AuxInt) + if auxToSym(x2.Aux) != s { + break + } + _ = x2.Args[1] + if p != x2.Args[0] || mem != x2.Args[1] || !(i1 == i0+1 && i2 == i0+2 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b, x0, x1, x2) != nil && clobber(x0, x1, x2, y0, y1, y2, o0)) { + break + } + b = mergePoint(b, x0, x1, x2) + v0 := b.NewValue0(x2.Pos, OpARM64REVW, t) + v.copyOf(v0) + v1 := b.NewValue0(x2.Pos, OpARM64MOVWUload, t) + v1.Aux = symToAux(s) + v2 := b.NewValue0(x2.Pos, OpOffPtr, p.Type) + v2.AuxInt = int64ToAuxInt(int64(i0)) + v2.AddArg(p) + v1.AddArg2(v2, mem) + v0.AddArg(v1) + return true + } + // match: (ORshiftLL <t> [24] o0:(ORshiftLL [16] y0:(REV16W x0:(MOVHUload [2] {s} p mem)) y1:(MOVDnop x1:(MOVBUload [1] {s} p1:(ADD ptr1 idx1) mem))) y2:(MOVDnop x2:(MOVBUloadidx ptr0 idx0 mem))) + // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b,x0,x1,x2) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0, x1, x2, y0, y1, y2, o0) + // result: @mergePoint(b,x0,x1,x2) (REVW <t> (MOVWUloadidx <t> ptr0 idx0 mem)) + for { + t := v.Type + if auxIntToInt64(v.AuxInt) != 24 { + break + } + o0 := v_0 + if o0.Op != OpARM64ORshiftLL || auxIntToInt64(o0.AuxInt) != 16 { + break + } + _ = o0.Args[1] + y0 := o0.Args[0] + if y0.Op != OpARM64REV16W { + break + } + x0 := y0.Args[0] + if x0.Op != OpARM64MOVHUload || auxIntToInt32(x0.AuxInt) != 2 { + break + } + s := auxToSym(x0.Aux) + mem := x0.Args[1] + p := x0.Args[0] + y1 := o0.Args[1] + if y1.Op != OpARM64MOVDnop { + break + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUload || auxIntToInt32(x1.AuxInt) != 1 || auxToSym(x1.Aux) != s { + break + } + _ = x1.Args[1] + p1 := x1.Args[0] + if p1.Op != OpARM64ADD { + break + } + _ = p1.Args[1] + p1_0 := p1.Args[0] + p1_1 := p1.Args[1] + for _i0 := 0; _i0 <= 1; _i0, p1_0, p1_1 = _i0+1, p1_1, p1_0 { + ptr1 := p1_0 + idx1 := p1_1 + if mem != x1.Args[1] { + continue + } + y2 := v_1 + if y2.Op != OpARM64MOVDnop { + continue + } + x2 := y2.Args[0] + if x2.Op != OpARM64MOVBUloadidx { + continue + } + _ = x2.Args[2] + ptr0 := x2.Args[0] + idx0 := x2.Args[1] + if mem != x2.Args[2] || !(s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b, x0, x1, x2) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0, x1, x2, y0, y1, y2, o0)) { + continue + } + b = mergePoint(b, x0, x1, x2) + v0 := b.NewValue0(x1.Pos, OpARM64REVW, t) + v.copyOf(v0) + v1 := b.NewValue0(x1.Pos, OpARM64MOVWUloadidx, t) + v1.AddArg3(ptr0, idx0, mem) + v0.AddArg(v1) + return true + } + break + } + // match: (ORshiftLL <t> [24] o0:(ORshiftLL [16] y0:(REV16W x0:(MOVHUloadidx ptr (ADDconst [2] idx) mem)) y1:(MOVDnop x1:(MOVBUloadidx ptr (ADDconst [1] idx) mem))) y2:(MOVDnop x2:(MOVBUloadidx ptr idx mem))) + // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b,x0,x1,x2) != nil && clobber(x0, x1, x2, y0, y1, y2, o0) + // result: @mergePoint(b,x0,x1,x2) (REVW <t> (MOVWUloadidx <t> ptr idx mem)) + for { + t := v.Type + if auxIntToInt64(v.AuxInt) != 24 { + break + } + o0 := v_0 + if o0.Op != OpARM64ORshiftLL || auxIntToInt64(o0.AuxInt) != 16 { + break + } + _ = o0.Args[1] + y0 := o0.Args[0] + if y0.Op != OpARM64REV16W { + break + } + x0 := y0.Args[0] + if x0.Op != OpARM64MOVHUloadidx { + break + } + mem := x0.Args[2] + ptr := x0.Args[0] + x0_1 := x0.Args[1] + if x0_1.Op != OpARM64ADDconst || auxIntToInt64(x0_1.AuxInt) != 2 { + break + } + idx := x0_1.Args[0] + y1 := o0.Args[1] + if y1.Op != OpARM64MOVDnop { + break + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUloadidx { + break + } + _ = x1.Args[2] + if ptr != x1.Args[0] { + break + } + x1_1 := x1.Args[1] + if x1_1.Op != OpARM64ADDconst || auxIntToInt64(x1_1.AuxInt) != 1 || idx != x1_1.Args[0] || mem != x1.Args[2] { + break + } + y2 := v_1 + if y2.Op != OpARM64MOVDnop { + break + } + x2 := y2.Args[0] + if x2.Op != OpARM64MOVBUloadidx { + break + } + _ = x2.Args[2] + if ptr != x2.Args[0] || idx != x2.Args[1] || mem != x2.Args[2] || !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && o0.Uses == 1 && mergePoint(b, x0, x1, x2) != nil && clobber(x0, x1, x2, y0, y1, y2, o0)) { + break + } + b = mergePoint(b, x0, x1, x2) + v0 := b.NewValue0(v.Pos, OpARM64REVW, t) + v.copyOf(v0) + v1 := b.NewValue0(v.Pos, OpARM64MOVWUloadidx, t) + v1.AddArg3(ptr, idx, mem) + v0.AddArg(v1) + return true + } + // match: (ORshiftLL <t> [56] o0:(ORshiftLL [48] o1:(ORshiftLL [40] o2:(ORshiftLL [32] y0:(REVW x0:(MOVWUload [i4] {s} p mem)) y1:(MOVDnop x1:(MOVBUload [i3] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [i2] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [i1] {s} p mem))) y4:(MOVDnop x4:(MOVBUload [i0] {s} p mem))) + // cond: i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && i4 == i0+4 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4) != nil && clobber(x0, x1, x2, x3, x4, y0, y1, y2, y3, y4, o0, o1, o2) + // result: @mergePoint(b,x0,x1,x2,x3,x4) (REV <t> (MOVDload <t> {s} (OffPtr <p.Type> [int64(i0)] p) mem)) + for { + t := v.Type + if auxIntToInt64(v.AuxInt) != 56 { + break + } + o0 := v_0 + if o0.Op != OpARM64ORshiftLL || auxIntToInt64(o0.AuxInt) != 48 { + break + } + _ = o0.Args[1] + o1 := o0.Args[0] + if o1.Op != OpARM64ORshiftLL || auxIntToInt64(o1.AuxInt) != 40 { + break + } + _ = o1.Args[1] + o2 := o1.Args[0] + if o2.Op != OpARM64ORshiftLL || auxIntToInt64(o2.AuxInt) != 32 { + break + } + _ = o2.Args[1] + y0 := o2.Args[0] + if y0.Op != OpARM64REVW { + break + } + x0 := y0.Args[0] + if x0.Op != OpARM64MOVWUload { + break + } + i4 := auxIntToInt32(x0.AuxInt) + s := auxToSym(x0.Aux) + mem := x0.Args[1] + p := x0.Args[0] + y1 := o2.Args[1] + if y1.Op != OpARM64MOVDnop { + break + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUload { + break + } + i3 := auxIntToInt32(x1.AuxInt) + if auxToSym(x1.Aux) != s { + break + } + _ = x1.Args[1] + if p != x1.Args[0] || mem != x1.Args[1] { + break + } + y2 := o1.Args[1] + if y2.Op != OpARM64MOVDnop { + break + } + x2 := y2.Args[0] + if x2.Op != OpARM64MOVBUload { + break + } + i2 := auxIntToInt32(x2.AuxInt) + if auxToSym(x2.Aux) != s { + break + } + _ = x2.Args[1] + if p != x2.Args[0] || mem != x2.Args[1] { + break + } + y3 := o0.Args[1] + if y3.Op != OpARM64MOVDnop { + break + } + x3 := y3.Args[0] + if x3.Op != OpARM64MOVBUload { + break + } + i1 := auxIntToInt32(x3.AuxInt) + if auxToSym(x3.Aux) != s { + break + } + _ = x3.Args[1] + if p != x3.Args[0] || mem != x3.Args[1] { + break + } + y4 := v_1 + if y4.Op != OpARM64MOVDnop { + break + } + x4 := y4.Args[0] + if x4.Op != OpARM64MOVBUload { + break + } + i0 := auxIntToInt32(x4.AuxInt) + if auxToSym(x4.Aux) != s { + break + } + _ = x4.Args[1] + if p != x4.Args[0] || mem != x4.Args[1] || !(i1 == i0+1 && i2 == i0+2 && i3 == i0+3 && i4 == i0+4 && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4) != nil && clobber(x0, x1, x2, x3, x4, y0, y1, y2, y3, y4, o0, o1, o2)) { + break + } + b = mergePoint(b, x0, x1, x2, x3, x4) + v0 := b.NewValue0(x4.Pos, OpARM64REV, t) + v.copyOf(v0) + v1 := b.NewValue0(x4.Pos, OpARM64MOVDload, t) + v1.Aux = symToAux(s) + v2 := b.NewValue0(x4.Pos, OpOffPtr, p.Type) + v2.AuxInt = int64ToAuxInt(int64(i0)) + v2.AddArg(p) + v1.AddArg2(v2, mem) + v0.AddArg(v1) + return true + } + // match: (ORshiftLL <t> [56] o0:(ORshiftLL [48] o1:(ORshiftLL [40] o2:(ORshiftLL [32] y0:(REVW x0:(MOVWUload [4] {s} p mem)) y1:(MOVDnop x1:(MOVBUload [3] {s} p mem))) y2:(MOVDnop x2:(MOVBUload [2] {s} p mem))) y3:(MOVDnop x3:(MOVBUload [1] {s} p1:(ADD ptr1 idx1) mem))) y4:(MOVDnop x4:(MOVBUloadidx ptr0 idx0 mem))) + // cond: s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0, x1, x2, x3, x4, y0, y1, y2, y3, y4, o0, o1, o2) + // result: @mergePoint(b,x0,x1,x2,x3,x4) (REV <t> (MOVDloadidx <t> ptr0 idx0 mem)) + for { + t := v.Type + if auxIntToInt64(v.AuxInt) != 56 { + break + } + o0 := v_0 + if o0.Op != OpARM64ORshiftLL || auxIntToInt64(o0.AuxInt) != 48 { + break + } + _ = o0.Args[1] + o1 := o0.Args[0] + if o1.Op != OpARM64ORshiftLL || auxIntToInt64(o1.AuxInt) != 40 { + break + } + _ = o1.Args[1] + o2 := o1.Args[0] + if o2.Op != OpARM64ORshiftLL || auxIntToInt64(o2.AuxInt) != 32 { + break + } + _ = o2.Args[1] + y0 := o2.Args[0] + if y0.Op != OpARM64REVW { + break + } + x0 := y0.Args[0] + if x0.Op != OpARM64MOVWUload || auxIntToInt32(x0.AuxInt) != 4 { + break + } + s := auxToSym(x0.Aux) + mem := x0.Args[1] + p := x0.Args[0] + y1 := o2.Args[1] + if y1.Op != OpARM64MOVDnop { + break + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUload || auxIntToInt32(x1.AuxInt) != 3 || auxToSym(x1.Aux) != s { + break + } + _ = x1.Args[1] + if p != x1.Args[0] || mem != x1.Args[1] { + break + } + y2 := o1.Args[1] + if y2.Op != OpARM64MOVDnop { + break + } + x2 := y2.Args[0] + if x2.Op != OpARM64MOVBUload || auxIntToInt32(x2.AuxInt) != 2 || auxToSym(x2.Aux) != s { + break + } + _ = x2.Args[1] + if p != x2.Args[0] || mem != x2.Args[1] { + break + } + y3 := o0.Args[1] + if y3.Op != OpARM64MOVDnop { + break + } + x3 := y3.Args[0] + if x3.Op != OpARM64MOVBUload || auxIntToInt32(x3.AuxInt) != 1 || auxToSym(x3.Aux) != s { + break + } + _ = x3.Args[1] + p1 := x3.Args[0] + if p1.Op != OpARM64ADD { + break + } + _ = p1.Args[1] + p1_0 := p1.Args[0] + p1_1 := p1.Args[1] + for _i0 := 0; _i0 <= 1; _i0, p1_0, p1_1 = _i0+1, p1_1, p1_0 { + ptr1 := p1_0 + idx1 := p1_1 + if mem != x3.Args[1] { + continue + } + y4 := v_1 + if y4.Op != OpARM64MOVDnop { + continue + } + x4 := y4.Args[0] + if x4.Op != OpARM64MOVBUloadidx { + continue + } + _ = x4.Args[2] + ptr0 := x4.Args[0] + idx0 := x4.Args[1] + if mem != x4.Args[2] || !(s == nil && x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4) != nil && (isSamePtr(ptr0, ptr1) && isSamePtr(idx0, idx1) || isSamePtr(ptr0, idx1) && isSamePtr(idx0, ptr1)) && isSamePtr(p1, p) && clobber(x0, x1, x2, x3, x4, y0, y1, y2, y3, y4, o0, o1, o2)) { + continue + } + b = mergePoint(b, x0, x1, x2, x3, x4) + v0 := b.NewValue0(x3.Pos, OpARM64REV, t) + v.copyOf(v0) + v1 := b.NewValue0(x3.Pos, OpARM64MOVDloadidx, t) + v1.AddArg3(ptr0, idx0, mem) + v0.AddArg(v1) + return true + } + break + } + // match: (ORshiftLL <t> [56] o0:(ORshiftLL [48] o1:(ORshiftLL [40] o2:(ORshiftLL [32] y0:(REVW x0:(MOVWUloadidx ptr (ADDconst [4] idx) mem)) y1:(MOVDnop x1:(MOVBUloadidx ptr (ADDconst [3] idx) mem))) y2:(MOVDnop x2:(MOVBUloadidx ptr (ADDconst [2] idx) mem))) y3:(MOVDnop x3:(MOVBUloadidx ptr (ADDconst [1] idx) mem))) y4:(MOVDnop x4:(MOVBUloadidx ptr idx mem))) + // cond: x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b,x0,x1,x2,x3,x4) != nil && clobber(x0, x1, x2, x3, x4, y0, y1, y2, y3, y4, o0, o1, o2) + // result: @mergePoint(b,x0,x1,x2,x3,x4) (REV <t> (MOVDloadidx <t> ptr idx mem)) + for { + t := v.Type + if auxIntToInt64(v.AuxInt) != 56 { + break + } + o0 := v_0 + if o0.Op != OpARM64ORshiftLL || auxIntToInt64(o0.AuxInt) != 48 { + break + } + _ = o0.Args[1] + o1 := o0.Args[0] + if o1.Op != OpARM64ORshiftLL || auxIntToInt64(o1.AuxInt) != 40 { + break + } + _ = o1.Args[1] + o2 := o1.Args[0] + if o2.Op != OpARM64ORshiftLL || auxIntToInt64(o2.AuxInt) != 32 { + break + } + _ = o2.Args[1] + y0 := o2.Args[0] + if y0.Op != OpARM64REVW { + break + } + x0 := y0.Args[0] + if x0.Op != OpARM64MOVWUloadidx { + break + } + mem := x0.Args[2] + ptr := x0.Args[0] + x0_1 := x0.Args[1] + if x0_1.Op != OpARM64ADDconst || auxIntToInt64(x0_1.AuxInt) != 4 { + break + } + idx := x0_1.Args[0] + y1 := o2.Args[1] + if y1.Op != OpARM64MOVDnop { + break + } + x1 := y1.Args[0] + if x1.Op != OpARM64MOVBUloadidx { + break + } + _ = x1.Args[2] + if ptr != x1.Args[0] { + break + } + x1_1 := x1.Args[1] + if x1_1.Op != OpARM64ADDconst || auxIntToInt64(x1_1.AuxInt) != 3 || idx != x1_1.Args[0] || mem != x1.Args[2] { + break + } + y2 := o1.Args[1] + if y2.Op != OpARM64MOVDnop { + break + } + x2 := y2.Args[0] + if x2.Op != OpARM64MOVBUloadidx { + break + } + _ = x2.Args[2] + if ptr != x2.Args[0] { + break + } + x2_1 := x2.Args[1] + if x2_1.Op != OpARM64ADDconst || auxIntToInt64(x2_1.AuxInt) != 2 || idx != x2_1.Args[0] || mem != x2.Args[2] { + break + } + y3 := o0.Args[1] + if y3.Op != OpARM64MOVDnop { + break + } + x3 := y3.Args[0] + if x3.Op != OpARM64MOVBUloadidx { + break + } + _ = x3.Args[2] + if ptr != x3.Args[0] { + break + } + x3_1 := x3.Args[1] + if x3_1.Op != OpARM64ADDconst || auxIntToInt64(x3_1.AuxInt) != 1 || idx != x3_1.Args[0] || mem != x3.Args[2] { + break + } + y4 := v_1 + if y4.Op != OpARM64MOVDnop { + break + } + x4 := y4.Args[0] + if x4.Op != OpARM64MOVBUloadidx { + break + } + _ = x4.Args[2] + if ptr != x4.Args[0] || idx != x4.Args[1] || mem != x4.Args[2] || !(x0.Uses == 1 && x1.Uses == 1 && x2.Uses == 1 && x3.Uses == 1 && x4.Uses == 1 && y0.Uses == 1 && y1.Uses == 1 && y2.Uses == 1 && y3.Uses == 1 && y4.Uses == 1 && o0.Uses == 1 && o1.Uses == 1 && o2.Uses == 1 && mergePoint(b, x0, x1, x2, x3, x4) != nil && clobber(x0, x1, x2, x3, x4, y0, y1, y2, y3, y4, o0, o1, o2)) { + break + } + b = mergePoint(b, x0, x1, x2, x3, x4) + v0 := b.NewValue0(v.Pos, OpARM64REV, t) + v.copyOf(v0) + v1 := b.NewValue0(v.Pos, OpARM64MOVDloadidx, t) + v1.AddArg3(ptr, idx, mem) + v0.AddArg(v1) + return true + } + return false +} +func rewriteValueARM64_OpARM64ORshiftRA(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (ORshiftRA (MOVDconst [c]) x [d]) + // result: (ORconst [c] (SRAconst <x.Type> x [d])) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64ORconst) + v.AuxInt = int64ToAuxInt(c) + v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type) + v0.AuxInt = int64ToAuxInt(d) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: (ORshiftRA x (MOVDconst [c]) [d]) + // result: (ORconst x [c>>uint64(d)]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64ORconst) + v.AuxInt = int64ToAuxInt(c >> uint64(d)) + v.AddArg(x) + return true + } + // match: (ORshiftRA y:(SRAconst x [c]) x [c]) + // result: y + for { + c := auxIntToInt64(v.AuxInt) + y := v_0 + if y.Op != OpARM64SRAconst || auxIntToInt64(y.AuxInt) != c { + break + } + x := y.Args[0] + if x != v_1 { + break + } + v.copyOf(y) + return true + } + return false +} +func rewriteValueARM64_OpARM64ORshiftRL(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (ORshiftRL (MOVDconst [c]) x [d]) + // result: (ORconst [c] (SRLconst <x.Type> x [d])) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64ORconst) + v.AuxInt = int64ToAuxInt(c) + v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type) + v0.AuxInt = int64ToAuxInt(d) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: (ORshiftRL x (MOVDconst [c]) [d]) + // result: (ORconst x [int64(uint64(c)>>uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64ORconst) + v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d))) + v.AddArg(x) + return true + } + // match: (ORshiftRL y:(SRLconst x [c]) x [c]) + // result: y + for { + c := auxIntToInt64(v.AuxInt) + y := v_0 + if y.Op != OpARM64SRLconst || auxIntToInt64(y.AuxInt) != c { + break + } + x := y.Args[0] + if x != v_1 { + break + } + v.copyOf(y) + return true + } + // match: ( ORshiftRL [c] (SLLconst x [64-c]) x) + // result: (RORconst [ c] x) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 64-c { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64RORconst) + v.AuxInt = int64ToAuxInt(c) + v.AddArg(x) + return true + } + // match: ( ORshiftRL <t> [c] (SLLconst x [32-c]) (MOVWUreg x)) + // cond: c < 32 && t.Size() == 4 + // result: (RORWconst [c] x) + for { + t := v.Type + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 32-c { + break + } + x := v_0.Args[0] + if v_1.Op != OpARM64MOVWUreg || x != v_1.Args[0] || !(c < 32 && t.Size() == 4) { + break + } + v.reset(OpARM64RORWconst) + v.AuxInt = int64ToAuxInt(c) + v.AddArg(x) + return true + } + // match: (ORshiftRL [rc] (ANDconst [ac] x) (SLLconst [lc] y)) + // cond: lc > rc && ac == ^((1<<uint(64-lc)-1) << uint64(lc-rc)) + // result: (BFI [armBFAuxInt(lc-rc, 64-lc)] x y) + for { + rc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64ANDconst { + break + } + ac := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if v_1.Op != OpARM64SLLconst { + break + } + lc := auxIntToInt64(v_1.AuxInt) + y := v_1.Args[0] + if !(lc > rc && ac == ^((1<<uint(64-lc)-1)<<uint64(lc-rc))) { + break + } + v.reset(OpARM64BFI) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc-rc, 64-lc)) + v.AddArg2(x, y) + return true + } + // match: (ORshiftRL [rc] (ANDconst [ac] y) (SLLconst [lc] x)) + // cond: lc < rc && ac == ^((1<<uint(64-rc)-1)) + // result: (BFXIL [armBFAuxInt(rc-lc, 64-rc)] y x) + for { + rc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64ANDconst { + break + } + ac := auxIntToInt64(v_0.AuxInt) + y := v_0.Args[0] + if v_1.Op != OpARM64SLLconst { + break + } + lc := auxIntToInt64(v_1.AuxInt) + x := v_1.Args[0] + if !(lc < rc && ac == ^(1<<uint(64-rc)-1)) { + break + } + v.reset(OpARM64BFXIL) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc-lc, 64-rc)) + v.AddArg2(y, x) + return true + } + return false +} +func rewriteValueARM64_OpARM64ORshiftRO(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (ORshiftRO (MOVDconst [c]) x [d]) + // result: (ORconst [c] (RORconst <x.Type> x [d])) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64ORconst) + v.AuxInt = int64ToAuxInt(c) + v0 := b.NewValue0(v.Pos, OpARM64RORconst, x.Type) + v0.AuxInt = int64ToAuxInt(d) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: (ORshiftRO x (MOVDconst [c]) [d]) + // result: (ORconst x [rotateRight64(c, d)]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64ORconst) + v.AuxInt = int64ToAuxInt(rotateRight64(c, d)) + v.AddArg(x) + return true + } + // match: (ORshiftRO y:(RORconst x [c]) x [c]) + // result: y + for { + c := auxIntToInt64(v.AuxInt) + y := v_0 + if y.Op != OpARM64RORconst || auxIntToInt64(y.AuxInt) != c { + break + } + x := y.Args[0] + if x != v_1 { + break + } + v.copyOf(y) + return true + } + return false +} +func rewriteValueARM64_OpARM64REV(v *Value) bool { + v_0 := v.Args[0] + // match: (REV (REV p)) + // result: p + for { + if v_0.Op != OpARM64REV { + break + } + p := v_0.Args[0] + v.copyOf(p) + return true + } + return false +} +func rewriteValueARM64_OpARM64REVW(v *Value) bool { + v_0 := v.Args[0] + // match: (REVW (REVW p)) + // result: p + for { + if v_0.Op != OpARM64REVW { + break + } + p := v_0.Args[0] + v.copyOf(p) + return true + } + return false +} +func rewriteValueARM64_OpARM64ROR(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (ROR x (MOVDconst [c])) + // result: (RORconst x [c&63]) + for { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64RORconst) + v.AuxInt = int64ToAuxInt(c & 63) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64RORW(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (RORW x (MOVDconst [c])) + // result: (RORWconst x [c&31]) + for { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64RORWconst) + v.AuxInt = int64ToAuxInt(c & 31) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64RORWconst(v *Value) bool { + v_0 := v.Args[0] + // match: (RORWconst [c] (RORWconst [d] x)) + // result: (RORWconst [(c+d)&31] x) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64RORWconst { + break + } + d := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + v.reset(OpARM64RORWconst) + v.AuxInt = int64ToAuxInt((c + d) & 31) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64RORconst(v *Value) bool { + v_0 := v.Args[0] + // match: (RORconst [c] (RORconst [d] x)) + // result: (RORconst [(c+d)&63] x) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64RORconst { + break + } + d := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + v.reset(OpARM64RORconst) + v.AuxInt = int64ToAuxInt((c + d) & 63) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64SBCSflags(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (SBCSflags x y (Select1 <types.TypeFlags> (NEGSflags (NEG <typ.UInt64> (NGCzerocarry <typ.UInt64> bo))))) + // result: (SBCSflags x y bo) + for { + x := v_0 + y := v_1 + if v_2.Op != OpSelect1 || v_2.Type != types.TypeFlags { + break + } + v_2_0 := v_2.Args[0] + if v_2_0.Op != OpARM64NEGSflags { + break + } + v_2_0_0 := v_2_0.Args[0] + if v_2_0_0.Op != OpARM64NEG || v_2_0_0.Type != typ.UInt64 { + break + } + v_2_0_0_0 := v_2_0_0.Args[0] + if v_2_0_0_0.Op != OpARM64NGCzerocarry || v_2_0_0_0.Type != typ.UInt64 { + break + } + bo := v_2_0_0_0.Args[0] + v.reset(OpARM64SBCSflags) + v.AddArg3(x, y, bo) + return true + } + // match: (SBCSflags x y (Select1 <types.TypeFlags> (NEGSflags (MOVDconst [0])))) + // result: (SUBSflags x y) + for { + x := v_0 + y := v_1 + if v_2.Op != OpSelect1 || v_2.Type != types.TypeFlags { + break + } + v_2_0 := v_2.Args[0] + if v_2_0.Op != OpARM64NEGSflags { + break + } + v_2_0_0 := v_2_0.Args[0] + if v_2_0_0.Op != OpARM64MOVDconst || auxIntToInt64(v_2_0_0.AuxInt) != 0 { + break + } + v.reset(OpARM64SUBSflags) + v.AddArg2(x, y) + return true + } + return false +} +func rewriteValueARM64_OpARM64SLL(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (SLL x (MOVDconst [c])) + // result: (SLLconst x [c&63]) + for { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64SLLconst) + v.AuxInt = int64ToAuxInt(c & 63) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64SLLconst(v *Value) bool { + v_0 := v.Args[0] + // match: (SLLconst [c] (MOVDconst [d])) + // result: (MOVDconst [d<<uint64(c)]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + d := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(d << uint64(c)) + return true + } + // match: (SLLconst [c] (SRLconst [c] x)) + // cond: 0 < c && c < 64 + // result: (ANDconst [^(1<<uint(c)-1)] x) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c { + break + } + x := v_0.Args[0] + if !(0 < c && c < 64) { + break + } + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(^(1<<uint(c) - 1)) + v.AddArg(x) + return true + } + // match: (SLLconst [lc] (MOVWreg x)) + // result: (SBFIZ [armBFAuxInt(lc, min(32, 64-lc))] x) + for { + lc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVWreg { + break + } + x := v_0.Args[0] + v.reset(OpARM64SBFIZ) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(32, 64-lc))) + v.AddArg(x) + return true + } + // match: (SLLconst [lc] (MOVHreg x)) + // result: (SBFIZ [armBFAuxInt(lc, min(16, 64-lc))] x) + for { + lc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVHreg { + break + } + x := v_0.Args[0] + v.reset(OpARM64SBFIZ) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(16, 64-lc))) + v.AddArg(x) + return true + } + // match: (SLLconst [lc] (MOVBreg x)) + // result: (SBFIZ [armBFAuxInt(lc, min(8, 64-lc))] x) + for { + lc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVBreg { + break + } + x := v_0.Args[0] + v.reset(OpARM64SBFIZ) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(8, 64-lc))) + v.AddArg(x) + return true + } + // match: (SLLconst [lc] (MOVWUreg x)) + // result: (UBFIZ [armBFAuxInt(lc, min(32, 64-lc))] x) + for { + lc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVWUreg { + break + } + x := v_0.Args[0] + v.reset(OpARM64UBFIZ) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(32, 64-lc))) + v.AddArg(x) + return true + } + // match: (SLLconst [lc] (MOVHUreg x)) + // result: (UBFIZ [armBFAuxInt(lc, min(16, 64-lc))] x) + for { + lc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVHUreg { + break + } + x := v_0.Args[0] + v.reset(OpARM64UBFIZ) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(16, 64-lc))) + v.AddArg(x) + return true + } + // match: (SLLconst [lc] (MOVBUreg x)) + // result: (UBFIZ [armBFAuxInt(lc, min(8, 64-lc))] x) + for { + lc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVBUreg { + break + } + x := v_0.Args[0] + v.reset(OpARM64UBFIZ) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc, min(8, 64-lc))) + v.AddArg(x) + return true + } + // match: (SLLconst [sc] (ANDconst [ac] x)) + // cond: isARM64BFMask(sc, ac, 0) + // result: (UBFIZ [armBFAuxInt(sc, arm64BFWidth(ac, 0))] x) + for { + sc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64ANDconst { + break + } + ac := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(isARM64BFMask(sc, ac, 0)) { + break + } + v.reset(OpARM64UBFIZ) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc, arm64BFWidth(ac, 0))) + v.AddArg(x) + return true + } + // match: (SLLconst [sc] (UBFIZ [bfc] x)) + // cond: sc+bfc.getARM64BFwidth()+bfc.getARM64BFlsb() < 64 + // result: (UBFIZ [armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth())] x) + for { + sc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64UBFIZ { + break + } + bfc := auxIntToArm64BitField(v_0.AuxInt) + x := v_0.Args[0] + if !(sc+bfc.getARM64BFwidth()+bfc.getARM64BFlsb() < 64) { + break + } + v.reset(OpARM64UBFIZ) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth())) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64SRA(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (SRA x (MOVDconst [c])) + // result: (SRAconst x [c&63]) + for { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64SRAconst) + v.AuxInt = int64ToAuxInt(c & 63) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64SRAconst(v *Value) bool { + v_0 := v.Args[0] + // match: (SRAconst [c] (MOVDconst [d])) + // result: (MOVDconst [d>>uint64(c)]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + d := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(d >> uint64(c)) + return true + } + // match: (SRAconst [rc] (SLLconst [lc] x)) + // cond: lc > rc + // result: (SBFIZ [armBFAuxInt(lc-rc, 64-lc)] x) + for { + rc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SLLconst { + break + } + lc := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(lc > rc) { + break + } + v.reset(OpARM64SBFIZ) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc-rc, 64-lc)) + v.AddArg(x) + return true + } + // match: (SRAconst [rc] (SLLconst [lc] x)) + // cond: lc <= rc + // result: (SBFX [armBFAuxInt(rc-lc, 64-rc)] x) + for { + rc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SLLconst { + break + } + lc := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(lc <= rc) { + break + } + v.reset(OpARM64SBFX) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc-lc, 64-rc)) + v.AddArg(x) + return true + } + // match: (SRAconst [rc] (MOVWreg x)) + // cond: rc < 32 + // result: (SBFX [armBFAuxInt(rc, 32-rc)] x) + for { + rc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVWreg { + break + } + x := v_0.Args[0] + if !(rc < 32) { + break + } + v.reset(OpARM64SBFX) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 32-rc)) + v.AddArg(x) + return true + } + // match: (SRAconst [rc] (MOVHreg x)) + // cond: rc < 16 + // result: (SBFX [armBFAuxInt(rc, 16-rc)] x) + for { + rc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVHreg { + break + } + x := v_0.Args[0] + if !(rc < 16) { + break + } + v.reset(OpARM64SBFX) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 16-rc)) + v.AddArg(x) + return true + } + // match: (SRAconst [rc] (MOVBreg x)) + // cond: rc < 8 + // result: (SBFX [armBFAuxInt(rc, 8-rc)] x) + for { + rc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVBreg { + break + } + x := v_0.Args[0] + if !(rc < 8) { + break + } + v.reset(OpARM64SBFX) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 8-rc)) + v.AddArg(x) + return true + } + // match: (SRAconst [sc] (SBFIZ [bfc] x)) + // cond: sc < bfc.getARM64BFlsb() + // result: (SBFIZ [armBFAuxInt(bfc.getARM64BFlsb()-sc, bfc.getARM64BFwidth())] x) + for { + sc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SBFIZ { + break + } + bfc := auxIntToArm64BitField(v_0.AuxInt) + x := v_0.Args[0] + if !(sc < bfc.getARM64BFlsb()) { + break + } + v.reset(OpARM64SBFIZ) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()-sc, bfc.getARM64BFwidth())) + v.AddArg(x) + return true + } + // match: (SRAconst [sc] (SBFIZ [bfc] x)) + // cond: sc >= bfc.getARM64BFlsb() && sc < bfc.getARM64BFlsb()+bfc.getARM64BFwidth() + // result: (SBFX [armBFAuxInt(sc-bfc.getARM64BFlsb(), bfc.getARM64BFlsb()+bfc.getARM64BFwidth()-sc)] x) + for { + sc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SBFIZ { + break + } + bfc := auxIntToArm64BitField(v_0.AuxInt) + x := v_0.Args[0] + if !(sc >= bfc.getARM64BFlsb() && sc < bfc.getARM64BFlsb()+bfc.getARM64BFwidth()) { + break + } + v.reset(OpARM64SBFX) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc-bfc.getARM64BFlsb(), bfc.getARM64BFlsb()+bfc.getARM64BFwidth()-sc)) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64SRL(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (SRL x (MOVDconst [c])) + // result: (SRLconst x [c&63]) + for { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64SRLconst) + v.AuxInt = int64ToAuxInt(c & 63) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64SRLconst(v *Value) bool { + v_0 := v.Args[0] + // match: (SRLconst [c] (MOVDconst [d])) + // result: (MOVDconst [int64(uint64(d)>>uint64(c))]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + d := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(int64(uint64(d) >> uint64(c))) + return true + } + // match: (SRLconst [c] (SLLconst [c] x)) + // cond: 0 < c && c < 64 + // result: (ANDconst [1<<uint(64-c)-1] x) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c { + break + } + x := v_0.Args[0] + if !(0 < c && c < 64) { + break + } + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(1<<uint(64-c) - 1) + v.AddArg(x) + return true + } + // match: (SRLconst [rc] (MOVWUreg x)) + // cond: rc >= 32 + // result: (MOVDconst [0]) + for { + rc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVWUreg { + break + } + if !(rc >= 32) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + // match: (SRLconst [rc] (MOVHUreg x)) + // cond: rc >= 16 + // result: (MOVDconst [0]) + for { + rc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVHUreg { + break + } + if !(rc >= 16) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + // match: (SRLconst [rc] (MOVBUreg x)) + // cond: rc >= 8 + // result: (MOVDconst [0]) + for { + rc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVBUreg { + break + } + if !(rc >= 8) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + // match: (SRLconst [rc] (SLLconst [lc] x)) + // cond: lc > rc + // result: (UBFIZ [armBFAuxInt(lc-rc, 64-lc)] x) + for { + rc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SLLconst { + break + } + lc := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(lc > rc) { + break + } + v.reset(OpARM64UBFIZ) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(lc-rc, 64-lc)) + v.AddArg(x) + return true + } + // match: (SRLconst [rc] (SLLconst [lc] x)) + // cond: lc < rc + // result: (UBFX [armBFAuxInt(rc-lc, 64-rc)] x) + for { + rc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SLLconst { + break + } + lc := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(lc < rc) { + break + } + v.reset(OpARM64UBFX) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc-lc, 64-rc)) + v.AddArg(x) + return true + } + // match: (SRLconst [rc] (MOVWUreg x)) + // cond: rc < 32 + // result: (UBFX [armBFAuxInt(rc, 32-rc)] x) + for { + rc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVWUreg { + break + } + x := v_0.Args[0] + if !(rc < 32) { + break + } + v.reset(OpARM64UBFX) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 32-rc)) + v.AddArg(x) + return true + } + // match: (SRLconst [rc] (MOVHUreg x)) + // cond: rc < 16 + // result: (UBFX [armBFAuxInt(rc, 16-rc)] x) + for { + rc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVHUreg { + break + } + x := v_0.Args[0] + if !(rc < 16) { + break + } + v.reset(OpARM64UBFX) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 16-rc)) + v.AddArg(x) + return true + } + // match: (SRLconst [rc] (MOVBUreg x)) + // cond: rc < 8 + // result: (UBFX [armBFAuxInt(rc, 8-rc)] x) + for { + rc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVBUreg { + break + } + x := v_0.Args[0] + if !(rc < 8) { + break + } + v.reset(OpARM64UBFX) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(rc, 8-rc)) + v.AddArg(x) + return true + } + // match: (SRLconst [sc] (ANDconst [ac] x)) + // cond: isARM64BFMask(sc, ac, sc) + // result: (UBFX [armBFAuxInt(sc, arm64BFWidth(ac, sc))] x) + for { + sc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64ANDconst { + break + } + ac := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(isARM64BFMask(sc, ac, sc)) { + break + } + v.reset(OpARM64UBFX) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc, arm64BFWidth(ac, sc))) + v.AddArg(x) + return true + } + // match: (SRLconst [sc] (UBFX [bfc] x)) + // cond: sc < bfc.getARM64BFwidth() + // result: (UBFX [armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth()-sc)] x) + for { + sc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64UBFX { + break + } + bfc := auxIntToArm64BitField(v_0.AuxInt) + x := v_0.Args[0] + if !(sc < bfc.getARM64BFwidth()) { + break + } + v.reset(OpARM64UBFX) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth()-sc)) + v.AddArg(x) + return true + } + // match: (SRLconst [sc] (UBFIZ [bfc] x)) + // cond: sc == bfc.getARM64BFlsb() + // result: (ANDconst [1<<uint(bfc.getARM64BFwidth())-1] x) + for { + sc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64UBFIZ { + break + } + bfc := auxIntToArm64BitField(v_0.AuxInt) + x := v_0.Args[0] + if !(sc == bfc.getARM64BFlsb()) { + break + } + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(1<<uint(bfc.getARM64BFwidth()) - 1) + v.AddArg(x) + return true + } + // match: (SRLconst [sc] (UBFIZ [bfc] x)) + // cond: sc < bfc.getARM64BFlsb() + // result: (UBFIZ [armBFAuxInt(bfc.getARM64BFlsb()-sc, bfc.getARM64BFwidth())] x) + for { + sc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64UBFIZ { + break + } + bfc := auxIntToArm64BitField(v_0.AuxInt) + x := v_0.Args[0] + if !(sc < bfc.getARM64BFlsb()) { + break + } + v.reset(OpARM64UBFIZ) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()-sc, bfc.getARM64BFwidth())) + v.AddArg(x) + return true + } + // match: (SRLconst [sc] (UBFIZ [bfc] x)) + // cond: sc > bfc.getARM64BFlsb() && sc < bfc.getARM64BFlsb()+bfc.getARM64BFwidth() + // result: (UBFX [armBFAuxInt(sc-bfc.getARM64BFlsb(), bfc.getARM64BFlsb()+bfc.getARM64BFwidth()-sc)] x) + for { + sc := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64UBFIZ { + break + } + bfc := auxIntToArm64BitField(v_0.AuxInt) + x := v_0.Args[0] + if !(sc > bfc.getARM64BFlsb() && sc < bfc.getARM64BFlsb()+bfc.getARM64BFwidth()) { + break + } + v.reset(OpARM64UBFX) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc-bfc.getARM64BFlsb(), bfc.getARM64BFlsb()+bfc.getARM64BFwidth()-sc)) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64STP(v *Value) bool { + v_3 := v.Args[3] + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + config := b.Func.Config + // match: (STP [off1] {sym} (ADDconst [off2] ptr) val1 val2 mem) + // cond: is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (STP [off1+int32(off2)] {sym} ptr val1 val2 mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + if v_0.Op != OpARM64ADDconst { + break + } + off2 := auxIntToInt64(v_0.AuxInt) + ptr := v_0.Args[0] + val1 := v_1 + val2 := v_2 + mem := v_3 + if !(is32Bit(int64(off1)+off2) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64STP) + v.AuxInt = int32ToAuxInt(off1 + int32(off2)) + v.Aux = symToAux(sym) + v.AddArg4(ptr, val1, val2, mem) + return true + } + // match: (STP [off1] {sym1} (MOVDaddr [off2] {sym2} ptr) val1 val2 mem) + // cond: canMergeSym(sym1,sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared) + // result: (STP [off1+off2] {mergeSym(sym1,sym2)} ptr val1 val2 mem) + for { + off1 := auxIntToInt32(v.AuxInt) + sym1 := auxToSym(v.Aux) + if v_0.Op != OpARM64MOVDaddr { + break + } + off2 := auxIntToInt32(v_0.AuxInt) + sym2 := auxToSym(v_0.Aux) + ptr := v_0.Args[0] + val1 := v_1 + val2 := v_2 + mem := v_3 + if !(canMergeSym(sym1, sym2) && is32Bit(int64(off1)+int64(off2)) && (ptr.Op != OpSB || !config.ctxt.Flag_shared)) { + break + } + v.reset(OpARM64STP) + v.AuxInt = int32ToAuxInt(off1 + off2) + v.Aux = symToAux(mergeSym(sym1, sym2)) + v.AddArg4(ptr, val1, val2, mem) + return true + } + // match: (STP [off] {sym} ptr (MOVDconst [0]) (MOVDconst [0]) mem) + // result: (MOVQstorezero [off] {sym} ptr mem) + for { + off := auxIntToInt32(v.AuxInt) + sym := auxToSym(v.Aux) + ptr := v_0 + if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 0 || v_2.Op != OpARM64MOVDconst || auxIntToInt64(v_2.AuxInt) != 0 { + break + } + mem := v_3 + v.reset(OpARM64MOVQstorezero) + v.AuxInt = int32ToAuxInt(off) + v.Aux = symToAux(sym) + v.AddArg2(ptr, mem) + return true + } + return false +} +func rewriteValueARM64_OpARM64SUB(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (SUB x (MOVDconst [c])) + // result: (SUBconst [c] x) + for { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64SUBconst) + v.AuxInt = int64ToAuxInt(c) + v.AddArg(x) + return true + } + // match: (SUB a l:(MUL x y)) + // cond: l.Uses==1 && clobber(l) + // result: (MSUB a x y) + for { + a := v_0 + l := v_1 + if l.Op != OpARM64MUL { + break + } + y := l.Args[1] + x := l.Args[0] + if !(l.Uses == 1 && clobber(l)) { + break + } + v.reset(OpARM64MSUB) + v.AddArg3(a, x, y) + return true + } + // match: (SUB a l:(MNEG x y)) + // cond: l.Uses==1 && clobber(l) + // result: (MADD a x y) + for { + a := v_0 + l := v_1 + if l.Op != OpARM64MNEG { + break + } + y := l.Args[1] + x := l.Args[0] + if !(l.Uses == 1 && clobber(l)) { + break + } + v.reset(OpARM64MADD) + v.AddArg3(a, x, y) + return true + } + // match: (SUB a l:(MULW x y)) + // cond: a.Type.Size() != 8 && l.Uses==1 && clobber(l) + // result: (MSUBW a x y) + for { + a := v_0 + l := v_1 + if l.Op != OpARM64MULW { + break + } + y := l.Args[1] + x := l.Args[0] + if !(a.Type.Size() != 8 && l.Uses == 1 && clobber(l)) { + break + } + v.reset(OpARM64MSUBW) + v.AddArg3(a, x, y) + return true + } + // match: (SUB a l:(MNEGW x y)) + // cond: a.Type.Size() != 8 && l.Uses==1 && clobber(l) + // result: (MADDW a x y) + for { + a := v_0 + l := v_1 + if l.Op != OpARM64MNEGW { + break + } + y := l.Args[1] + x := l.Args[0] + if !(a.Type.Size() != 8 && l.Uses == 1 && clobber(l)) { + break + } + v.reset(OpARM64MADDW) + v.AddArg3(a, x, y) + return true + } + // match: (SUB x x) + // result: (MOVDconst [0]) + for { + x := v_0 + if x != v_1 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + // match: (SUB x (SUB y z)) + // result: (SUB (ADD <v.Type> x z) y) + for { + x := v_0 + if v_1.Op != OpARM64SUB { + break + } + z := v_1.Args[1] + y := v_1.Args[0] + v.reset(OpARM64SUB) + v0 := b.NewValue0(v.Pos, OpARM64ADD, v.Type) + v0.AddArg2(x, z) + v.AddArg2(v0, y) + return true + } + // match: (SUB (SUB x y) z) + // result: (SUB x (ADD <y.Type> y z)) + for { + if v_0.Op != OpARM64SUB { + break + } + y := v_0.Args[1] + x := v_0.Args[0] + z := v_1 + v.reset(OpARM64SUB) + v0 := b.NewValue0(v.Pos, OpARM64ADD, y.Type) + v0.AddArg2(y, z) + v.AddArg2(x, v0) + return true + } + // match: (SUB x0 x1:(SLLconst [c] y)) + // cond: clobberIfDead(x1) + // result: (SUBshiftLL x0 y [c]) + for { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SLLconst { + break + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + break + } + v.reset(OpARM64SUBshiftLL) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + // match: (SUB x0 x1:(SRLconst [c] y)) + // cond: clobberIfDead(x1) + // result: (SUBshiftRL x0 y [c]) + for { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SRLconst { + break + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + break + } + v.reset(OpARM64SUBshiftRL) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + // match: (SUB x0 x1:(SRAconst [c] y)) + // cond: clobberIfDead(x1) + // result: (SUBshiftRA x0 y [c]) + for { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SRAconst { + break + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + break + } + v.reset(OpARM64SUBshiftRA) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + return false +} +func rewriteValueARM64_OpARM64SUBconst(v *Value) bool { + v_0 := v.Args[0] + // match: (SUBconst [0] x) + // result: x + for { + if auxIntToInt64(v.AuxInt) != 0 { + break + } + x := v_0 + v.copyOf(x) + return true + } + // match: (SUBconst [c] (MOVDconst [d])) + // result: (MOVDconst [d-c]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + d := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(d - c) + return true + } + // match: (SUBconst [c] (SUBconst [d] x)) + // result: (ADDconst [-c-d] x) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SUBconst { + break + } + d := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + v.reset(OpARM64ADDconst) + v.AuxInt = int64ToAuxInt(-c - d) + v.AddArg(x) + return true + } + // match: (SUBconst [c] (ADDconst [d] x)) + // result: (ADDconst [-c+d] x) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64ADDconst { + break + } + d := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + v.reset(OpARM64ADDconst) + v.AuxInt = int64ToAuxInt(-c + d) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64SUBshiftLL(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (SUBshiftLL x (MOVDconst [c]) [d]) + // result: (SUBconst x [int64(uint64(c)<<uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64SUBconst) + v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d))) + v.AddArg(x) + return true + } + // match: (SUBshiftLL (SLLconst x [c]) x [c]) + // result: (MOVDconst [0]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + return false +} +func rewriteValueARM64_OpARM64SUBshiftRA(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (SUBshiftRA x (MOVDconst [c]) [d]) + // result: (SUBconst x [c>>uint64(d)]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64SUBconst) + v.AuxInt = int64ToAuxInt(c >> uint64(d)) + v.AddArg(x) + return true + } + // match: (SUBshiftRA (SRAconst x [c]) x [c]) + // result: (MOVDconst [0]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + return false +} +func rewriteValueARM64_OpARM64SUBshiftRL(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (SUBshiftRL x (MOVDconst [c]) [d]) + // result: (SUBconst x [int64(uint64(c)>>uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64SUBconst) + v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d))) + v.AddArg(x) + return true + } + // match: (SUBshiftRL (SRLconst x [c]) x [c]) + // result: (MOVDconst [0]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + return false +} +func rewriteValueARM64_OpARM64TST(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (TST x (MOVDconst [c])) + // result: (TSTconst [c] x) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64TSTconst) + v.AuxInt = int64ToAuxInt(c) + v.AddArg(x) + return true + } + break + } + // match: (TST x0 x1:(SLLconst [c] y)) + // cond: clobberIfDead(x1) + // result: (TSTshiftLL x0 y [c]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SLLconst { + continue + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + continue + } + v.reset(OpARM64TSTshiftLL) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + break + } + // match: (TST x0 x1:(SRLconst [c] y)) + // cond: clobberIfDead(x1) + // result: (TSTshiftRL x0 y [c]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SRLconst { + continue + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + continue + } + v.reset(OpARM64TSTshiftRL) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + break + } + // match: (TST x0 x1:(SRAconst [c] y)) + // cond: clobberIfDead(x1) + // result: (TSTshiftRA x0 y [c]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SRAconst { + continue + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + continue + } + v.reset(OpARM64TSTshiftRA) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + break + } + // match: (TST x0 x1:(RORconst [c] y)) + // cond: clobberIfDead(x1) + // result: (TSTshiftRO x0 y [c]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64RORconst { + continue + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + continue + } + v.reset(OpARM64TSTshiftRO) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + break + } + return false +} +func rewriteValueARM64_OpARM64TSTW(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (TSTW x (MOVDconst [c])) + // result: (TSTWconst [int32(c)] x) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64TSTWconst) + v.AuxInt = int32ToAuxInt(int32(c)) + v.AddArg(x) + return true + } + break + } + return false +} +func rewriteValueARM64_OpARM64TSTWconst(v *Value) bool { + v_0 := v.Args[0] + // match: (TSTWconst (MOVDconst [x]) [y]) + // result: (FlagConstant [logicFlags32(int32(x)&y)]) + for { + y := auxIntToInt32(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + x := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64FlagConstant) + v.AuxInt = flagConstantToAuxInt(logicFlags32(int32(x) & y)) + return true + } + return false +} +func rewriteValueARM64_OpARM64TSTconst(v *Value) bool { + v_0 := v.Args[0] + // match: (TSTconst (MOVDconst [x]) [y]) + // result: (FlagConstant [logicFlags64(x&y)]) + for { + y := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + x := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64FlagConstant) + v.AuxInt = flagConstantToAuxInt(logicFlags64(x & y)) + return true + } + return false +} +func rewriteValueARM64_OpARM64TSTshiftLL(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (TSTshiftLL (MOVDconst [c]) x [d]) + // result: (TSTconst [c] (SLLconst <x.Type> x [d])) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64TSTconst) + v.AuxInt = int64ToAuxInt(c) + v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) + v0.AuxInt = int64ToAuxInt(d) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: (TSTshiftLL x (MOVDconst [c]) [d]) + // result: (TSTconst x [int64(uint64(c)<<uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64TSTconst) + v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d))) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64TSTshiftRA(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (TSTshiftRA (MOVDconst [c]) x [d]) + // result: (TSTconst [c] (SRAconst <x.Type> x [d])) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64TSTconst) + v.AuxInt = int64ToAuxInt(c) + v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type) + v0.AuxInt = int64ToAuxInt(d) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: (TSTshiftRA x (MOVDconst [c]) [d]) + // result: (TSTconst x [c>>uint64(d)]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64TSTconst) + v.AuxInt = int64ToAuxInt(c >> uint64(d)) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64TSTshiftRL(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (TSTshiftRL (MOVDconst [c]) x [d]) + // result: (TSTconst [c] (SRLconst <x.Type> x [d])) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64TSTconst) + v.AuxInt = int64ToAuxInt(c) + v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type) + v0.AuxInt = int64ToAuxInt(d) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: (TSTshiftRL x (MOVDconst [c]) [d]) + // result: (TSTconst x [int64(uint64(c)>>uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64TSTconst) + v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d))) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64TSTshiftRO(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (TSTshiftRO (MOVDconst [c]) x [d]) + // result: (TSTconst [c] (RORconst <x.Type> x [d])) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64TSTconst) + v.AuxInt = int64ToAuxInt(c) + v0 := b.NewValue0(v.Pos, OpARM64RORconst, x.Type) + v0.AuxInt = int64ToAuxInt(d) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: (TSTshiftRO x (MOVDconst [c]) [d]) + // result: (TSTconst x [rotateRight64(c, d)]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64TSTconst) + v.AuxInt = int64ToAuxInt(rotateRight64(c, d)) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64UBFIZ(v *Value) bool { + v_0 := v.Args[0] + // match: (UBFIZ [bfc] (SLLconst [sc] x)) + // cond: sc < bfc.getARM64BFwidth() + // result: (UBFIZ [armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth()-sc)] x) + for { + bfc := auxIntToArm64BitField(v.AuxInt) + if v_0.Op != OpARM64SLLconst { + break + } + sc := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(sc < bfc.getARM64BFwidth()) { + break + } + v.reset(OpARM64UBFIZ) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth()-sc)) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64UBFX(v *Value) bool { + v_0 := v.Args[0] + // match: (UBFX [bfc] (SRLconst [sc] x)) + // cond: sc+bfc.getARM64BFwidth()+bfc.getARM64BFlsb() < 64 + // result: (UBFX [armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth())] x) + for { + bfc := auxIntToArm64BitField(v.AuxInt) + if v_0.Op != OpARM64SRLconst { + break + } + sc := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(sc+bfc.getARM64BFwidth()+bfc.getARM64BFlsb() < 64) { + break + } + v.reset(OpARM64UBFX) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()+sc, bfc.getARM64BFwidth())) + v.AddArg(x) + return true + } + // match: (UBFX [bfc] (SLLconst [sc] x)) + // cond: sc == bfc.getARM64BFlsb() + // result: (ANDconst [1<<uint(bfc.getARM64BFwidth())-1] x) + for { + bfc := auxIntToArm64BitField(v.AuxInt) + if v_0.Op != OpARM64SLLconst { + break + } + sc := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(sc == bfc.getARM64BFlsb()) { + break + } + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(1<<uint(bfc.getARM64BFwidth()) - 1) + v.AddArg(x) + return true + } + // match: (UBFX [bfc] (SLLconst [sc] x)) + // cond: sc < bfc.getARM64BFlsb() + // result: (UBFX [armBFAuxInt(bfc.getARM64BFlsb()-sc, bfc.getARM64BFwidth())] x) + for { + bfc := auxIntToArm64BitField(v.AuxInt) + if v_0.Op != OpARM64SLLconst { + break + } + sc := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(sc < bfc.getARM64BFlsb()) { + break + } + v.reset(OpARM64UBFX) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(bfc.getARM64BFlsb()-sc, bfc.getARM64BFwidth())) + v.AddArg(x) + return true + } + // match: (UBFX [bfc] (SLLconst [sc] x)) + // cond: sc > bfc.getARM64BFlsb() && sc < bfc.getARM64BFlsb()+bfc.getARM64BFwidth() + // result: (UBFIZ [armBFAuxInt(sc-bfc.getARM64BFlsb(), bfc.getARM64BFlsb()+bfc.getARM64BFwidth()-sc)] x) + for { + bfc := auxIntToArm64BitField(v.AuxInt) + if v_0.Op != OpARM64SLLconst { + break + } + sc := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(sc > bfc.getARM64BFlsb() && sc < bfc.getARM64BFlsb()+bfc.getARM64BFwidth()) { + break + } + v.reset(OpARM64UBFIZ) + v.AuxInt = arm64BitFieldToAuxInt(armBFAuxInt(sc-bfc.getARM64BFlsb(), bfc.getARM64BFlsb()+bfc.getARM64BFwidth()-sc)) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64UDIV(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (UDIV x (MOVDconst [1])) + // result: x + for { + x := v_0 + if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 { + break + } + v.copyOf(x) + return true + } + // match: (UDIV x (MOVDconst [c])) + // cond: isPowerOfTwo64(c) + // result: (SRLconst [log64(c)] x) + for { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + if !(isPowerOfTwo64(c)) { + break + } + v.reset(OpARM64SRLconst) + v.AuxInt = int64ToAuxInt(log64(c)) + v.AddArg(x) + return true + } + // match: (UDIV (MOVDconst [c]) (MOVDconst [d])) + // cond: d != 0 + // result: (MOVDconst [int64(uint64(c)/uint64(d))]) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + if v_1.Op != OpARM64MOVDconst { + break + } + d := auxIntToInt64(v_1.AuxInt) + if !(d != 0) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(int64(uint64(c) / uint64(d))) + return true + } + return false +} +func rewriteValueARM64_OpARM64UDIVW(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (UDIVW x (MOVDconst [c])) + // cond: uint32(c)==1 + // result: x + for { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + if !(uint32(c) == 1) { + break + } + v.copyOf(x) + return true + } + // match: (UDIVW x (MOVDconst [c])) + // cond: isPowerOfTwo64(c) && is32Bit(c) + // result: (SRLconst [log64(c)] x) + for { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + if !(isPowerOfTwo64(c) && is32Bit(c)) { + break + } + v.reset(OpARM64SRLconst) + v.AuxInt = int64ToAuxInt(log64(c)) + v.AddArg(x) + return true + } + // match: (UDIVW (MOVDconst [c]) (MOVDconst [d])) + // cond: d != 0 + // result: (MOVDconst [int64(uint32(c)/uint32(d))]) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + if v_1.Op != OpARM64MOVDconst { + break + } + d := auxIntToInt64(v_1.AuxInt) + if !(d != 0) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(int64(uint32(c) / uint32(d))) + return true + } + return false +} +func rewriteValueARM64_OpARM64UMOD(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (UMOD <typ.UInt64> x y) + // result: (MSUB <typ.UInt64> x y (UDIV <typ.UInt64> x y)) + for { + if v.Type != typ.UInt64 { + break + } + x := v_0 + y := v_1 + v.reset(OpARM64MSUB) + v.Type = typ.UInt64 + v0 := b.NewValue0(v.Pos, OpARM64UDIV, typ.UInt64) + v0.AddArg2(x, y) + v.AddArg3(x, y, v0) + return true + } + // match: (UMOD _ (MOVDconst [1])) + // result: (MOVDconst [0]) + for { + if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + // match: (UMOD x (MOVDconst [c])) + // cond: isPowerOfTwo64(c) + // result: (ANDconst [c-1] x) + for { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + if !(isPowerOfTwo64(c)) { + break + } + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(c - 1) + v.AddArg(x) + return true + } + // match: (UMOD (MOVDconst [c]) (MOVDconst [d])) + // cond: d != 0 + // result: (MOVDconst [int64(uint64(c)%uint64(d))]) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + if v_1.Op != OpARM64MOVDconst { + break + } + d := auxIntToInt64(v_1.AuxInt) + if !(d != 0) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(int64(uint64(c) % uint64(d))) + return true + } + return false +} +func rewriteValueARM64_OpARM64UMODW(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (UMODW <typ.UInt32> x y) + // result: (MSUBW <typ.UInt32> x y (UDIVW <typ.UInt32> x y)) + for { + if v.Type != typ.UInt32 { + break + } + x := v_0 + y := v_1 + v.reset(OpARM64MSUBW) + v.Type = typ.UInt32 + v0 := b.NewValue0(v.Pos, OpARM64UDIVW, typ.UInt32) + v0.AddArg2(x, y) + v.AddArg3(x, y, v0) + return true + } + // match: (UMODW _ (MOVDconst [c])) + // cond: uint32(c)==1 + // result: (MOVDconst [0]) + for { + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + if !(uint32(c) == 1) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + // match: (UMODW x (MOVDconst [c])) + // cond: isPowerOfTwo64(c) && is32Bit(c) + // result: (ANDconst [c-1] x) + for { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + if !(isPowerOfTwo64(c) && is32Bit(c)) { + break + } + v.reset(OpARM64ANDconst) + v.AuxInt = int64ToAuxInt(c - 1) + v.AddArg(x) + return true + } + // match: (UMODW (MOVDconst [c]) (MOVDconst [d])) + // cond: d != 0 + // result: (MOVDconst [int64(uint32(c)%uint32(d))]) + for { + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + if v_1.Op != OpARM64MOVDconst { + break + } + d := auxIntToInt64(v_1.AuxInt) + if !(d != 0) { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(int64(uint32(c) % uint32(d))) + return true + } + return false +} +func rewriteValueARM64_OpARM64XOR(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (XOR x (MOVDconst [c])) + // result: (XORconst [c] x) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MOVDconst { + continue + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64XORconst) + v.AuxInt = int64ToAuxInt(c) + v.AddArg(x) + return true + } + break + } + // match: (XOR x x) + // result: (MOVDconst [0]) + for { + x := v_0 + if x != v_1 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + // match: (XOR x (MVN y)) + // result: (EON x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x := v_0 + if v_1.Op != OpARM64MVN { + continue + } + y := v_1.Args[0] + v.reset(OpARM64EON) + v.AddArg2(x, y) + return true + } + break + } + // match: (XOR x0 x1:(SLLconst [c] y)) + // cond: clobberIfDead(x1) + // result: (XORshiftLL x0 y [c]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SLLconst { + continue + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + continue + } + v.reset(OpARM64XORshiftLL) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + break + } + // match: (XOR x0 x1:(SRLconst [c] y)) + // cond: clobberIfDead(x1) + // result: (XORshiftRL x0 y [c]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SRLconst { + continue + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + continue + } + v.reset(OpARM64XORshiftRL) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + break + } + // match: (XOR x0 x1:(SRAconst [c] y)) + // cond: clobberIfDead(x1) + // result: (XORshiftRA x0 y [c]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64SRAconst { + continue + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + continue + } + v.reset(OpARM64XORshiftRA) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + break + } + // match: (XOR x0 x1:(RORconst [c] y)) + // cond: clobberIfDead(x1) + // result: (XORshiftRO x0 y [c]) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + x0 := v_0 + x1 := v_1 + if x1.Op != OpARM64RORconst { + continue + } + c := auxIntToInt64(x1.AuxInt) + y := x1.Args[0] + if !(clobberIfDead(x1)) { + continue + } + v.reset(OpARM64XORshiftRO) + v.AuxInt = int64ToAuxInt(c) + v.AddArg2(x0, y) + return true + } + break + } + // match: (XOR (SLL x (ANDconst <t> [63] y)) (CSEL0 <typ.UInt64> [cc] (SRL <typ.UInt64> x (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))) (CMPconst [64] (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))))) + // cond: cc == OpARM64LessThanU + // result: (ROR x (NEG <t> y)) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpARM64SLL { + continue + } + _ = v_0.Args[1] + x := v_0.Args[0] + v_0_1 := v_0.Args[1] + if v_0_1.Op != OpARM64ANDconst { + continue + } + t := v_0_1.Type + if auxIntToInt64(v_0_1.AuxInt) != 63 { + continue + } + y := v_0_1.Args[0] + if v_1.Op != OpARM64CSEL0 || v_1.Type != typ.UInt64 { + continue + } + cc := auxIntToOp(v_1.AuxInt) + _ = v_1.Args[1] + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpARM64SRL || v_1_0.Type != typ.UInt64 { + continue + } + _ = v_1_0.Args[1] + if x != v_1_0.Args[0] { + continue + } + v_1_0_1 := v_1_0.Args[1] + if v_1_0_1.Op != OpARM64SUB || v_1_0_1.Type != t { + continue + } + _ = v_1_0_1.Args[1] + v_1_0_1_0 := v_1_0_1.Args[0] + if v_1_0_1_0.Op != OpARM64MOVDconst || auxIntToInt64(v_1_0_1_0.AuxInt) != 64 { + continue + } + v_1_0_1_1 := v_1_0_1.Args[1] + if v_1_0_1_1.Op != OpARM64ANDconst || v_1_0_1_1.Type != t || auxIntToInt64(v_1_0_1_1.AuxInt) != 63 || y != v_1_0_1_1.Args[0] { + continue + } + v_1_1 := v_1.Args[1] + if v_1_1.Op != OpARM64CMPconst || auxIntToInt64(v_1_1.AuxInt) != 64 { + continue + } + v_1_1_0 := v_1_1.Args[0] + if v_1_1_0.Op != OpARM64SUB || v_1_1_0.Type != t { + continue + } + _ = v_1_1_0.Args[1] + v_1_1_0_0 := v_1_1_0.Args[0] + if v_1_1_0_0.Op != OpARM64MOVDconst || auxIntToInt64(v_1_1_0_0.AuxInt) != 64 { + continue + } + v_1_1_0_1 := v_1_1_0.Args[1] + if v_1_1_0_1.Op != OpARM64ANDconst || v_1_1_0_1.Type != t || auxIntToInt64(v_1_1_0_1.AuxInt) != 63 || y != v_1_1_0_1.Args[0] || !(cc == OpARM64LessThanU) { + continue + } + v.reset(OpARM64ROR) + v0 := b.NewValue0(v.Pos, OpARM64NEG, t) + v0.AddArg(y) + v.AddArg2(x, v0) + return true + } + break + } + // match: (XOR (SRL <typ.UInt64> x (ANDconst <t> [63] y)) (CSEL0 <typ.UInt64> [cc] (SLL x (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))) (CMPconst [64] (SUB <t> (MOVDconst [64]) (ANDconst <t> [63] y))))) + // cond: cc == OpARM64LessThanU + // result: (ROR x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpARM64SRL || v_0.Type != typ.UInt64 { + continue + } + _ = v_0.Args[1] + x := v_0.Args[0] + v_0_1 := v_0.Args[1] + if v_0_1.Op != OpARM64ANDconst { + continue + } + t := v_0_1.Type + if auxIntToInt64(v_0_1.AuxInt) != 63 { + continue + } + y := v_0_1.Args[0] + if v_1.Op != OpARM64CSEL0 || v_1.Type != typ.UInt64 { + continue + } + cc := auxIntToOp(v_1.AuxInt) + _ = v_1.Args[1] + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpARM64SLL { + continue + } + _ = v_1_0.Args[1] + if x != v_1_0.Args[0] { + continue + } + v_1_0_1 := v_1_0.Args[1] + if v_1_0_1.Op != OpARM64SUB || v_1_0_1.Type != t { + continue + } + _ = v_1_0_1.Args[1] + v_1_0_1_0 := v_1_0_1.Args[0] + if v_1_0_1_0.Op != OpARM64MOVDconst || auxIntToInt64(v_1_0_1_0.AuxInt) != 64 { + continue + } + v_1_0_1_1 := v_1_0_1.Args[1] + if v_1_0_1_1.Op != OpARM64ANDconst || v_1_0_1_1.Type != t || auxIntToInt64(v_1_0_1_1.AuxInt) != 63 || y != v_1_0_1_1.Args[0] { + continue + } + v_1_1 := v_1.Args[1] + if v_1_1.Op != OpARM64CMPconst || auxIntToInt64(v_1_1.AuxInt) != 64 { + continue + } + v_1_1_0 := v_1_1.Args[0] + if v_1_1_0.Op != OpARM64SUB || v_1_1_0.Type != t { + continue + } + _ = v_1_1_0.Args[1] + v_1_1_0_0 := v_1_1_0.Args[0] + if v_1_1_0_0.Op != OpARM64MOVDconst || auxIntToInt64(v_1_1_0_0.AuxInt) != 64 { + continue + } + v_1_1_0_1 := v_1_1_0.Args[1] + if v_1_1_0_1.Op != OpARM64ANDconst || v_1_1_0_1.Type != t || auxIntToInt64(v_1_1_0_1.AuxInt) != 63 || y != v_1_1_0_1.Args[0] || !(cc == OpARM64LessThanU) { + continue + } + v.reset(OpARM64ROR) + v.AddArg2(x, y) + return true + } + break + } + // match: (XOR (SLL x (ANDconst <t> [31] y)) (CSEL0 <typ.UInt32> [cc] (SRL <typ.UInt32> (MOVWUreg x) (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))) (CMPconst [64] (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))))) + // cond: cc == OpARM64LessThanU + // result: (RORW x (NEG <t> y)) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpARM64SLL { + continue + } + _ = v_0.Args[1] + x := v_0.Args[0] + v_0_1 := v_0.Args[1] + if v_0_1.Op != OpARM64ANDconst { + continue + } + t := v_0_1.Type + if auxIntToInt64(v_0_1.AuxInt) != 31 { + continue + } + y := v_0_1.Args[0] + if v_1.Op != OpARM64CSEL0 || v_1.Type != typ.UInt32 { + continue + } + cc := auxIntToOp(v_1.AuxInt) + _ = v_1.Args[1] + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpARM64SRL || v_1_0.Type != typ.UInt32 { + continue + } + _ = v_1_0.Args[1] + v_1_0_0 := v_1_0.Args[0] + if v_1_0_0.Op != OpARM64MOVWUreg || x != v_1_0_0.Args[0] { + continue + } + v_1_0_1 := v_1_0.Args[1] + if v_1_0_1.Op != OpARM64SUB || v_1_0_1.Type != t { + continue + } + _ = v_1_0_1.Args[1] + v_1_0_1_0 := v_1_0_1.Args[0] + if v_1_0_1_0.Op != OpARM64MOVDconst || auxIntToInt64(v_1_0_1_0.AuxInt) != 32 { + continue + } + v_1_0_1_1 := v_1_0_1.Args[1] + if v_1_0_1_1.Op != OpARM64ANDconst || v_1_0_1_1.Type != t || auxIntToInt64(v_1_0_1_1.AuxInt) != 31 || y != v_1_0_1_1.Args[0] { + continue + } + v_1_1 := v_1.Args[1] + if v_1_1.Op != OpARM64CMPconst || auxIntToInt64(v_1_1.AuxInt) != 64 { + continue + } + v_1_1_0 := v_1_1.Args[0] + if v_1_1_0.Op != OpARM64SUB || v_1_1_0.Type != t { + continue + } + _ = v_1_1_0.Args[1] + v_1_1_0_0 := v_1_1_0.Args[0] + if v_1_1_0_0.Op != OpARM64MOVDconst || auxIntToInt64(v_1_1_0_0.AuxInt) != 32 { + continue + } + v_1_1_0_1 := v_1_1_0.Args[1] + if v_1_1_0_1.Op != OpARM64ANDconst || v_1_1_0_1.Type != t || auxIntToInt64(v_1_1_0_1.AuxInt) != 31 || y != v_1_1_0_1.Args[0] || !(cc == OpARM64LessThanU) { + continue + } + v.reset(OpARM64RORW) + v0 := b.NewValue0(v.Pos, OpARM64NEG, t) + v0.AddArg(y) + v.AddArg2(x, v0) + return true + } + break + } + // match: (XOR (SRL <typ.UInt32> (MOVWUreg x) (ANDconst <t> [31] y)) (CSEL0 <typ.UInt32> [cc] (SLL x (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))) (CMPconst [64] (SUB <t> (MOVDconst [32]) (ANDconst <t> [31] y))))) + // cond: cc == OpARM64LessThanU + // result: (RORW x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpARM64SRL || v_0.Type != typ.UInt32 { + continue + } + _ = v_0.Args[1] + v_0_0 := v_0.Args[0] + if v_0_0.Op != OpARM64MOVWUreg { + continue + } + x := v_0_0.Args[0] + v_0_1 := v_0.Args[1] + if v_0_1.Op != OpARM64ANDconst { + continue + } + t := v_0_1.Type + if auxIntToInt64(v_0_1.AuxInt) != 31 { + continue + } + y := v_0_1.Args[0] + if v_1.Op != OpARM64CSEL0 || v_1.Type != typ.UInt32 { + continue + } + cc := auxIntToOp(v_1.AuxInt) + _ = v_1.Args[1] + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpARM64SLL { + continue + } + _ = v_1_0.Args[1] + if x != v_1_0.Args[0] { + continue + } + v_1_0_1 := v_1_0.Args[1] + if v_1_0_1.Op != OpARM64SUB || v_1_0_1.Type != t { + continue + } + _ = v_1_0_1.Args[1] + v_1_0_1_0 := v_1_0_1.Args[0] + if v_1_0_1_0.Op != OpARM64MOVDconst || auxIntToInt64(v_1_0_1_0.AuxInt) != 32 { + continue + } + v_1_0_1_1 := v_1_0_1.Args[1] + if v_1_0_1_1.Op != OpARM64ANDconst || v_1_0_1_1.Type != t || auxIntToInt64(v_1_0_1_1.AuxInt) != 31 || y != v_1_0_1_1.Args[0] { + continue + } + v_1_1 := v_1.Args[1] + if v_1_1.Op != OpARM64CMPconst || auxIntToInt64(v_1_1.AuxInt) != 64 { + continue + } + v_1_1_0 := v_1_1.Args[0] + if v_1_1_0.Op != OpARM64SUB || v_1_1_0.Type != t { + continue + } + _ = v_1_1_0.Args[1] + v_1_1_0_0 := v_1_1_0.Args[0] + if v_1_1_0_0.Op != OpARM64MOVDconst || auxIntToInt64(v_1_1_0_0.AuxInt) != 32 { + continue + } + v_1_1_0_1 := v_1_1_0.Args[1] + if v_1_1_0_1.Op != OpARM64ANDconst || v_1_1_0_1.Type != t || auxIntToInt64(v_1_1_0_1.AuxInt) != 31 || y != v_1_1_0_1.Args[0] || !(cc == OpARM64LessThanU) { + continue + } + v.reset(OpARM64RORW) + v.AddArg2(x, y) + return true + } + break + } + return false +} +func rewriteValueARM64_OpARM64XORconst(v *Value) bool { + v_0 := v.Args[0] + // match: (XORconst [0] x) + // result: x + for { + if auxIntToInt64(v.AuxInt) != 0 { + break + } + x := v_0 + v.copyOf(x) + return true + } + // match: (XORconst [-1] x) + // result: (MVN x) + for { + if auxIntToInt64(v.AuxInt) != -1 { + break + } + x := v_0 + v.reset(OpARM64MVN) + v.AddArg(x) + return true + } + // match: (XORconst [c] (MOVDconst [d])) + // result: (MOVDconst [c^d]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + d := auxIntToInt64(v_0.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(c ^ d) + return true + } + // match: (XORconst [c] (XORconst [d] x)) + // result: (XORconst [c^d] x) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64XORconst { + break + } + d := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + v.reset(OpARM64XORconst) + v.AuxInt = int64ToAuxInt(c ^ d) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64XORshiftLL(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (XORshiftLL (MOVDconst [c]) x [d]) + // result: (XORconst [c] (SLLconst <x.Type> x [d])) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64XORconst) + v.AuxInt = int64ToAuxInt(c) + v0 := b.NewValue0(v.Pos, OpARM64SLLconst, x.Type) + v0.AuxInt = int64ToAuxInt(d) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: (XORshiftLL x (MOVDconst [c]) [d]) + // result: (XORconst x [int64(uint64(c)<<uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64XORconst) + v.AuxInt = int64ToAuxInt(int64(uint64(c) << uint64(d))) + v.AddArg(x) + return true + } + // match: (XORshiftLL (SLLconst x [c]) x [c]) + // result: (MOVDconst [0]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != c { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + // match: (XORshiftLL [c] (SRLconst x [64-c]) x) + // result: (RORconst [64-c] x) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 64-c { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64RORconst) + v.AuxInt = int64ToAuxInt(64 - c) + v.AddArg(x) + return true + } + // match: (XORshiftLL <t> [c] (UBFX [bfc] x) x) + // cond: c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c) + // result: (RORWconst [32-c] x) + for { + t := v.Type + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64UBFX { + break + } + bfc := auxIntToArm64BitField(v_0.AuxInt) + x := v_0.Args[0] + if x != v_1 || !(c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)) { + break + } + v.reset(OpARM64RORWconst) + v.AuxInt = int64ToAuxInt(32 - c) + v.AddArg(x) + return true + } + // match: (XORshiftLL <typ.UInt16> [8] (UBFX <typ.UInt16> [armBFAuxInt(8, 8)] x) x) + // result: (REV16W x) + for { + if v.Type != typ.UInt16 || auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || v_0.Type != typ.UInt16 || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 8) { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64REV16W) + v.AddArg(x) + return true + } + // match: (XORshiftLL [8] (UBFX [armBFAuxInt(8, 24)] (ANDconst [c1] x)) (ANDconst [c2] x)) + // cond: uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff + // result: (REV16W x) + for { + if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64UBFX || auxIntToArm64BitField(v_0.AuxInt) != armBFAuxInt(8, 24) { + break + } + v_0_0 := v_0.Args[0] + if v_0_0.Op != OpARM64ANDconst { + break + } + c1 := auxIntToInt64(v_0_0.AuxInt) + x := v_0_0.Args[0] + if v_1.Op != OpARM64ANDconst { + break + } + c2 := auxIntToInt64(v_1.AuxInt) + if x != v_1.Args[0] || !(uint32(c1) == 0xff00ff00 && uint32(c2) == 0x00ff00ff) { + break + } + v.reset(OpARM64REV16W) + v.AddArg(x) + return true + } + // match: (XORshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x)) + // cond: (uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff) + // result: (REV16 x) + for { + if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 { + break + } + v_0_0 := v_0.Args[0] + if v_0_0.Op != OpARM64ANDconst { + break + } + c1 := auxIntToInt64(v_0_0.AuxInt) + x := v_0_0.Args[0] + if v_1.Op != OpARM64ANDconst { + break + } + c2 := auxIntToInt64(v_1.AuxInt) + if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00ff00ff00 && uint64(c2) == 0x00ff00ff00ff00ff) { + break + } + v.reset(OpARM64REV16) + v.AddArg(x) + return true + } + // match: (XORshiftLL [8] (SRLconst [8] (ANDconst [c1] x)) (ANDconst [c2] x)) + // cond: (uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff) + // result: (REV16 (ANDconst <x.Type> [0xffffffff] x)) + for { + if auxIntToInt64(v.AuxInt) != 8 || v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 8 { + break + } + v_0_0 := v_0.Args[0] + if v_0_0.Op != OpARM64ANDconst { + break + } + c1 := auxIntToInt64(v_0_0.AuxInt) + x := v_0_0.Args[0] + if v_1.Op != OpARM64ANDconst { + break + } + c2 := auxIntToInt64(v_1.AuxInt) + if x != v_1.Args[0] || !(uint64(c1) == 0xff00ff00 && uint64(c2) == 0x00ff00ff) { + break + } + v.reset(OpARM64REV16) + v0 := b.NewValue0(v.Pos, OpARM64ANDconst, x.Type) + v0.AuxInt = int64ToAuxInt(0xffffffff) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: (XORshiftLL [c] (SRLconst x [64-c]) x2) + // result: (EXTRconst [64-c] x2 x) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != 64-c { + break + } + x := v_0.Args[0] + x2 := v_1 + v.reset(OpARM64EXTRconst) + v.AuxInt = int64ToAuxInt(64 - c) + v.AddArg2(x2, x) + return true + } + // match: (XORshiftLL <t> [c] (UBFX [bfc] x) x2) + // cond: c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c) + // result: (EXTRWconst [32-c] x2 x) + for { + t := v.Type + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64UBFX { + break + } + bfc := auxIntToArm64BitField(v_0.AuxInt) + x := v_0.Args[0] + x2 := v_1 + if !(c < 32 && t.Size() == 4 && bfc == armBFAuxInt(32-c, c)) { + break + } + v.reset(OpARM64EXTRWconst) + v.AuxInt = int64ToAuxInt(32 - c) + v.AddArg2(x2, x) + return true + } + return false +} +func rewriteValueARM64_OpARM64XORshiftRA(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (XORshiftRA (MOVDconst [c]) x [d]) + // result: (XORconst [c] (SRAconst <x.Type> x [d])) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64XORconst) + v.AuxInt = int64ToAuxInt(c) + v0 := b.NewValue0(v.Pos, OpARM64SRAconst, x.Type) + v0.AuxInt = int64ToAuxInt(d) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: (XORshiftRA x (MOVDconst [c]) [d]) + // result: (XORconst x [c>>uint64(d)]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64XORconst) + v.AuxInt = int64ToAuxInt(c >> uint64(d)) + v.AddArg(x) + return true + } + // match: (XORshiftRA (SRAconst x [c]) x [c]) + // result: (MOVDconst [0]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SRAconst || auxIntToInt64(v_0.AuxInt) != c { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + return false +} +func rewriteValueARM64_OpARM64XORshiftRL(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (XORshiftRL (MOVDconst [c]) x [d]) + // result: (XORconst [c] (SRLconst <x.Type> x [d])) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64XORconst) + v.AuxInt = int64ToAuxInt(c) + v0 := b.NewValue0(v.Pos, OpARM64SRLconst, x.Type) + v0.AuxInt = int64ToAuxInt(d) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: (XORshiftRL x (MOVDconst [c]) [d]) + // result: (XORconst x [int64(uint64(c)>>uint64(d))]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64XORconst) + v.AuxInt = int64ToAuxInt(int64(uint64(c) >> uint64(d))) + v.AddArg(x) + return true + } + // match: (XORshiftRL (SRLconst x [c]) x [c]) + // result: (MOVDconst [0]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SRLconst || auxIntToInt64(v_0.AuxInt) != c { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + // match: (XORshiftRL [c] (SLLconst x [64-c]) x) + // result: (RORconst [ c] x) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 64-c { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64RORconst) + v.AuxInt = int64ToAuxInt(c) + v.AddArg(x) + return true + } + // match: (XORshiftRL <t> [c] (SLLconst x [32-c]) (MOVWUreg x)) + // cond: c < 32 && t.Size() == 4 + // result: (RORWconst [c] x) + for { + t := v.Type + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64SLLconst || auxIntToInt64(v_0.AuxInt) != 32-c { + break + } + x := v_0.Args[0] + if v_1.Op != OpARM64MOVWUreg || x != v_1.Args[0] || !(c < 32 && t.Size() == 4) { + break + } + v.reset(OpARM64RORWconst) + v.AuxInt = int64ToAuxInt(c) + v.AddArg(x) + return true + } + return false +} +func rewriteValueARM64_OpARM64XORshiftRO(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (XORshiftRO (MOVDconst [c]) x [d]) + // result: (XORconst [c] (RORconst <x.Type> x [d])) + for { + d := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + v.reset(OpARM64XORconst) + v.AuxInt = int64ToAuxInt(c) + v0 := b.NewValue0(v.Pos, OpARM64RORconst, x.Type) + v0.AuxInt = int64ToAuxInt(d) + v0.AddArg(x) + v.AddArg(v0) + return true + } + // match: (XORshiftRO x (MOVDconst [c]) [d]) + // result: (XORconst x [rotateRight64(c, d)]) + for { + d := auxIntToInt64(v.AuxInt) + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpARM64XORconst) + v.AuxInt = int64ToAuxInt(rotateRight64(c, d)) + v.AddArg(x) + return true + } + // match: (XORshiftRO (RORconst x [c]) x [c]) + // result: (MOVDconst [0]) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpARM64RORconst || auxIntToInt64(v_0.AuxInt) != c { + break + } + x := v_0.Args[0] + if x != v_1 { + break + } + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } + return false +} +func rewriteValueARM64_OpAddr(v *Value) bool { + v_0 := v.Args[0] + // match: (Addr {sym} base) + // result: (MOVDaddr {sym} base) + for { + sym := auxToSym(v.Aux) + base := v_0 + v.reset(OpARM64MOVDaddr) + v.Aux = symToAux(sym) + v.AddArg(base) + return true + } +} +func rewriteValueARM64_OpAtomicAnd32(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (AtomicAnd32 ptr val mem) + // result: (Select1 (LoweredAtomicAnd32 ptr val mem)) + for { + ptr := v_0 + val := v_1 + mem := v_2 + v.reset(OpSelect1) + v0 := b.NewValue0(v.Pos, OpARM64LoweredAtomicAnd32, types.NewTuple(typ.UInt32, types.TypeMem)) + v0.AddArg3(ptr, val, mem) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpAtomicAnd32Variant(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (AtomicAnd32Variant ptr val mem) + // result: (Select1 (LoweredAtomicAnd32Variant ptr val mem)) + for { + ptr := v_0 + val := v_1 + mem := v_2 + v.reset(OpSelect1) + v0 := b.NewValue0(v.Pos, OpARM64LoweredAtomicAnd32Variant, types.NewTuple(typ.UInt32, types.TypeMem)) + v0.AddArg3(ptr, val, mem) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpAtomicAnd8(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (AtomicAnd8 ptr val mem) + // result: (Select1 (LoweredAtomicAnd8 ptr val mem)) + for { + ptr := v_0 + val := v_1 + mem := v_2 + v.reset(OpSelect1) + v0 := b.NewValue0(v.Pos, OpARM64LoweredAtomicAnd8, types.NewTuple(typ.UInt8, types.TypeMem)) + v0.AddArg3(ptr, val, mem) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpAtomicAnd8Variant(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (AtomicAnd8Variant ptr val mem) + // result: (Select1 (LoweredAtomicAnd8Variant ptr val mem)) + for { + ptr := v_0 + val := v_1 + mem := v_2 + v.reset(OpSelect1) + v0 := b.NewValue0(v.Pos, OpARM64LoweredAtomicAnd8Variant, types.NewTuple(typ.UInt8, types.TypeMem)) + v0.AddArg3(ptr, val, mem) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpAtomicOr32(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (AtomicOr32 ptr val mem) + // result: (Select1 (LoweredAtomicOr32 ptr val mem)) + for { + ptr := v_0 + val := v_1 + mem := v_2 + v.reset(OpSelect1) + v0 := b.NewValue0(v.Pos, OpARM64LoweredAtomicOr32, types.NewTuple(typ.UInt32, types.TypeMem)) + v0.AddArg3(ptr, val, mem) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpAtomicOr32Variant(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (AtomicOr32Variant ptr val mem) + // result: (Select1 (LoweredAtomicOr32Variant ptr val mem)) + for { + ptr := v_0 + val := v_1 + mem := v_2 + v.reset(OpSelect1) + v0 := b.NewValue0(v.Pos, OpARM64LoweredAtomicOr32Variant, types.NewTuple(typ.UInt32, types.TypeMem)) + v0.AddArg3(ptr, val, mem) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpAtomicOr8(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (AtomicOr8 ptr val mem) + // result: (Select1 (LoweredAtomicOr8 ptr val mem)) + for { + ptr := v_0 + val := v_1 + mem := v_2 + v.reset(OpSelect1) + v0 := b.NewValue0(v.Pos, OpARM64LoweredAtomicOr8, types.NewTuple(typ.UInt8, types.TypeMem)) + v0.AddArg3(ptr, val, mem) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpAtomicOr8Variant(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (AtomicOr8Variant ptr val mem) + // result: (Select1 (LoweredAtomicOr8Variant ptr val mem)) + for { + ptr := v_0 + val := v_1 + mem := v_2 + v.reset(OpSelect1) + v0 := b.NewValue0(v.Pos, OpARM64LoweredAtomicOr8Variant, types.NewTuple(typ.UInt8, types.TypeMem)) + v0.AddArg3(ptr, val, mem) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpAvg64u(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (Avg64u <t> x y) + // result: (ADD (SRLconst <t> (SUB <t> x y) [1]) y) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64ADD) + v0 := b.NewValue0(v.Pos, OpARM64SRLconst, t) + v0.AuxInt = int64ToAuxInt(1) + v1 := b.NewValue0(v.Pos, OpARM64SUB, t) + v1.AddArg2(x, y) + v0.AddArg(v1) + v.AddArg2(v0, y) + return true + } +} +func rewriteValueARM64_OpBitLen32(v *Value) bool { + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (BitLen32 x) + // result: (SUB (MOVDconst [32]) (CLZW <typ.Int> x)) + for { + x := v_0 + v.reset(OpARM64SUB) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(32) + v1 := b.NewValue0(v.Pos, OpARM64CLZW, typ.Int) + v1.AddArg(x) + v.AddArg2(v0, v1) + return true + } +} +func rewriteValueARM64_OpBitLen64(v *Value) bool { + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (BitLen64 x) + // result: (SUB (MOVDconst [64]) (CLZ <typ.Int> x)) + for { + x := v_0 + v.reset(OpARM64SUB) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(64) + v1 := b.NewValue0(v.Pos, OpARM64CLZ, typ.Int) + v1.AddArg(x) + v.AddArg2(v0, v1) + return true + } +} +func rewriteValueARM64_OpBitRev16(v *Value) bool { + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (BitRev16 x) + // result: (SRLconst [48] (RBIT <typ.UInt64> x)) + for { + x := v_0 + v.reset(OpARM64SRLconst) + v.AuxInt = int64ToAuxInt(48) + v0 := b.NewValue0(v.Pos, OpARM64RBIT, typ.UInt64) + v0.AddArg(x) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpBitRev8(v *Value) bool { + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (BitRev8 x) + // result: (SRLconst [56] (RBIT <typ.UInt64> x)) + for { + x := v_0 + v.reset(OpARM64SRLconst) + v.AuxInt = int64ToAuxInt(56) + v0 := b.NewValue0(v.Pos, OpARM64RBIT, typ.UInt64) + v0.AddArg(x) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpCondSelect(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (CondSelect x y boolval) + // cond: flagArg(boolval) != nil + // result: (CSEL [boolval.Op] x y flagArg(boolval)) + for { + x := v_0 + y := v_1 + boolval := v_2 + if !(flagArg(boolval) != nil) { + break + } + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(boolval.Op) + v.AddArg3(x, y, flagArg(boolval)) + return true + } + // match: (CondSelect x y boolval) + // cond: flagArg(boolval) == nil + // result: (CSEL [OpARM64NotEqual] x y (TSTWconst [1] boolval)) + for { + x := v_0 + y := v_1 + boolval := v_2 + if !(flagArg(boolval) == nil) { + break + } + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64NotEqual) + v0 := b.NewValue0(v.Pos, OpARM64TSTWconst, types.TypeFlags) + v0.AuxInt = int32ToAuxInt(1) + v0.AddArg(boolval) + v.AddArg3(x, y, v0) + return true + } + return false +} +func rewriteValueARM64_OpConst16(v *Value) bool { + // match: (Const16 [val]) + // result: (MOVDconst [int64(val)]) + for { + val := auxIntToInt16(v.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(int64(val)) + return true + } +} +func rewriteValueARM64_OpConst32(v *Value) bool { + // match: (Const32 [val]) + // result: (MOVDconst [int64(val)]) + for { + val := auxIntToInt32(v.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(int64(val)) + return true + } +} +func rewriteValueARM64_OpConst32F(v *Value) bool { + // match: (Const32F [val]) + // result: (FMOVSconst [float64(val)]) + for { + val := auxIntToFloat32(v.AuxInt) + v.reset(OpARM64FMOVSconst) + v.AuxInt = float64ToAuxInt(float64(val)) + return true + } +} +func rewriteValueARM64_OpConst64(v *Value) bool { + // match: (Const64 [val]) + // result: (MOVDconst [int64(val)]) + for { + val := auxIntToInt64(v.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(int64(val)) + return true + } +} +func rewriteValueARM64_OpConst64F(v *Value) bool { + // match: (Const64F [val]) + // result: (FMOVDconst [float64(val)]) + for { + val := auxIntToFloat64(v.AuxInt) + v.reset(OpARM64FMOVDconst) + v.AuxInt = float64ToAuxInt(float64(val)) + return true + } +} +func rewriteValueARM64_OpConst8(v *Value) bool { + // match: (Const8 [val]) + // result: (MOVDconst [int64(val)]) + for { + val := auxIntToInt8(v.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(int64(val)) + return true + } +} +func rewriteValueARM64_OpConstBool(v *Value) bool { + // match: (ConstBool [t]) + // result: (MOVDconst [b2i(t)]) + for { + t := auxIntToBool(v.AuxInt) + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(b2i(t)) + return true + } +} +func rewriteValueARM64_OpConstNil(v *Value) bool { + // match: (ConstNil) + // result: (MOVDconst [0]) + for { + v.reset(OpARM64MOVDconst) + v.AuxInt = int64ToAuxInt(0) + return true + } +} +func rewriteValueARM64_OpCtz16(v *Value) bool { + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Ctz16 <t> x) + // result: (CLZW <t> (RBITW <typ.UInt32> (ORconst <typ.UInt32> [0x10000] x))) + for { + t := v.Type + x := v_0 + v.reset(OpARM64CLZW) + v.Type = t + v0 := b.NewValue0(v.Pos, OpARM64RBITW, typ.UInt32) + v1 := b.NewValue0(v.Pos, OpARM64ORconst, typ.UInt32) + v1.AuxInt = int64ToAuxInt(0x10000) + v1.AddArg(x) + v0.AddArg(v1) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpCtz32(v *Value) bool { + v_0 := v.Args[0] + b := v.Block + // match: (Ctz32 <t> x) + // result: (CLZW (RBITW <t> x)) + for { + t := v.Type + x := v_0 + v.reset(OpARM64CLZW) + v0 := b.NewValue0(v.Pos, OpARM64RBITW, t) + v0.AddArg(x) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpCtz64(v *Value) bool { + v_0 := v.Args[0] + b := v.Block + // match: (Ctz64 <t> x) + // result: (CLZ (RBIT <t> x)) + for { + t := v.Type + x := v_0 + v.reset(OpARM64CLZ) + v0 := b.NewValue0(v.Pos, OpARM64RBIT, t) + v0.AddArg(x) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpCtz8(v *Value) bool { + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Ctz8 <t> x) + // result: (CLZW <t> (RBITW <typ.UInt32> (ORconst <typ.UInt32> [0x100] x))) + for { + t := v.Type + x := v_0 + v.reset(OpARM64CLZW) + v.Type = t + v0 := b.NewValue0(v.Pos, OpARM64RBITW, typ.UInt32) + v1 := b.NewValue0(v.Pos, OpARM64ORconst, typ.UInt32) + v1.AuxInt = int64ToAuxInt(0x100) + v1.AddArg(x) + v0.AddArg(v1) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpDiv16(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Div16 [false] x y) + // result: (DIVW (SignExt16to32 x) (SignExt16to32 y)) + for { + if auxIntToBool(v.AuxInt) != false { + break + } + x := v_0 + y := v_1 + v.reset(OpARM64DIVW) + v0 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32) + v0.AddArg(x) + v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32) + v1.AddArg(y) + v.AddArg2(v0, v1) + return true + } + return false +} +func rewriteValueARM64_OpDiv16u(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Div16u x y) + // result: (UDIVW (ZeroExt16to32 x) (ZeroExt16to32 y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64UDIVW) + v0 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) + v0.AddArg(x) + v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) + v1.AddArg(y) + v.AddArg2(v0, v1) + return true + } +} +func rewriteValueARM64_OpDiv32(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (Div32 [false] x y) + // result: (DIVW x y) + for { + if auxIntToBool(v.AuxInt) != false { + break + } + x := v_0 + y := v_1 + v.reset(OpARM64DIVW) + v.AddArg2(x, y) + return true + } + return false +} +func rewriteValueARM64_OpDiv64(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (Div64 [false] x y) + // result: (DIV x y) + for { + if auxIntToBool(v.AuxInt) != false { + break + } + x := v_0 + y := v_1 + v.reset(OpARM64DIV) + v.AddArg2(x, y) + return true + } + return false +} +func rewriteValueARM64_OpDiv8(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Div8 x y) + // result: (DIVW (SignExt8to32 x) (SignExt8to32 y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64DIVW) + v0 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32) + v0.AddArg(x) + v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32) + v1.AddArg(y) + v.AddArg2(v0, v1) + return true + } +} +func rewriteValueARM64_OpDiv8u(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Div8u x y) + // result: (UDIVW (ZeroExt8to32 x) (ZeroExt8to32 y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64UDIVW) + v0 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) + v0.AddArg(x) + v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) + v1.AddArg(y) + v.AddArg2(v0, v1) + return true + } +} +func rewriteValueARM64_OpEq16(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Eq16 x y) + // result: (Equal (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64Equal) + v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) + v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) + v1.AddArg(x) + v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) + v2.AddArg(y) + v0.AddArg2(v1, v2) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpEq32(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (Eq32 x y) + // result: (Equal (CMPW x y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64Equal) + v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpEq32F(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (Eq32F x y) + // result: (Equal (FCMPS x y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64Equal) + v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpEq64(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (Eq64 x y) + // result: (Equal (CMP x y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64Equal) + v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpEq64F(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (Eq64F x y) + // result: (Equal (FCMPD x y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64Equal) + v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpEq8(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Eq8 x y) + // result: (Equal (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64Equal) + v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) + v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) + v1.AddArg(x) + v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) + v2.AddArg(y) + v0.AddArg2(v1, v2) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpEqB(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (EqB x y) + // result: (XOR (MOVDconst [1]) (XOR <typ.Bool> x y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64XOR) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(1) + v1 := b.NewValue0(v.Pos, OpARM64XOR, typ.Bool) + v1.AddArg2(x, y) + v.AddArg2(v0, v1) + return true + } +} +func rewriteValueARM64_OpEqPtr(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (EqPtr x y) + // result: (Equal (CMP x y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64Equal) + v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpFMA(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (FMA x y z) + // result: (FMADDD z x y) + for { + x := v_0 + y := v_1 + z := v_2 + v.reset(OpARM64FMADDD) + v.AddArg3(z, x, y) + return true + } +} +func rewriteValueARM64_OpHmul32(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Hmul32 x y) + // result: (SRAconst (MULL <typ.Int64> x y) [32]) + for { + x := v_0 + y := v_1 + v.reset(OpARM64SRAconst) + v.AuxInt = int64ToAuxInt(32) + v0 := b.NewValue0(v.Pos, OpARM64MULL, typ.Int64) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpHmul32u(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Hmul32u x y) + // result: (SRAconst (UMULL <typ.UInt64> x y) [32]) + for { + x := v_0 + y := v_1 + v.reset(OpARM64SRAconst) + v.AuxInt = int64ToAuxInt(32) + v0 := b.NewValue0(v.Pos, OpARM64UMULL, typ.UInt64) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpIsInBounds(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (IsInBounds idx len) + // result: (LessThanU (CMP idx len)) + for { + idx := v_0 + len := v_1 + v.reset(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) + v0.AddArg2(idx, len) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpIsNonNil(v *Value) bool { + v_0 := v.Args[0] + b := v.Block + // match: (IsNonNil ptr) + // result: (NotEqual (CMPconst [0] ptr)) + for { + ptr := v_0 + v.reset(OpARM64NotEqual) + v0 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v0.AuxInt = int64ToAuxInt(0) + v0.AddArg(ptr) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpIsSliceInBounds(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (IsSliceInBounds idx len) + // result: (LessEqualU (CMP idx len)) + for { + idx := v_0 + len := v_1 + v.reset(OpARM64LessEqualU) + v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) + v0.AddArg2(idx, len) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpLeq16(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Leq16 x y) + // result: (LessEqual (CMPW (SignExt16to32 x) (SignExt16to32 y))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64LessEqual) + v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) + v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32) + v1.AddArg(x) + v2 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32) + v2.AddArg(y) + v0.AddArg2(v1, v2) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpLeq16U(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Leq16U x zero:(MOVDconst [0])) + // result: (Eq16 x zero) + for { + x := v_0 + zero := v_1 + if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 { + break + } + v.reset(OpEq16) + v.AddArg2(x, zero) + return true + } + // match: (Leq16U (MOVDconst [1]) x) + // result: (Neq16 (MOVDconst [0]) x) + for { + if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 1 { + break + } + x := v_1 + v.reset(OpNeq16) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v.AddArg2(v0, x) + return true + } + // match: (Leq16U x y) + // result: (LessEqualU (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64LessEqualU) + v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) + v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) + v1.AddArg(x) + v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) + v2.AddArg(y) + v0.AddArg2(v1, v2) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpLeq32(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (Leq32 x y) + // result: (LessEqual (CMPW x y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64LessEqual) + v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpLeq32F(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (Leq32F x y) + // result: (LessEqualF (FCMPS x y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64LessEqualF) + v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpLeq32U(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Leq32U x zero:(MOVDconst [0])) + // result: (Eq32 x zero) + for { + x := v_0 + zero := v_1 + if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 { + break + } + v.reset(OpEq32) + v.AddArg2(x, zero) + return true + } + // match: (Leq32U (MOVDconst [1]) x) + // result: (Neq32 (MOVDconst [0]) x) + for { + if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 1 { + break + } + x := v_1 + v.reset(OpNeq32) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v.AddArg2(v0, x) + return true + } + // match: (Leq32U x y) + // result: (LessEqualU (CMPW x y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64LessEqualU) + v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpLeq64(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (Leq64 x y) + // result: (LessEqual (CMP x y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64LessEqual) + v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpLeq64F(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (Leq64F x y) + // result: (LessEqualF (FCMPD x y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64LessEqualF) + v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpLeq64U(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Leq64U x zero:(MOVDconst [0])) + // result: (Eq64 x zero) + for { + x := v_0 + zero := v_1 + if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 { + break + } + v.reset(OpEq64) + v.AddArg2(x, zero) + return true + } + // match: (Leq64U (MOVDconst [1]) x) + // result: (Neq64 (MOVDconst [0]) x) + for { + if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 1 { + break + } + x := v_1 + v.reset(OpNeq64) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v.AddArg2(v0, x) + return true + } + // match: (Leq64U x y) + // result: (LessEqualU (CMP x y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64LessEqualU) + v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpLeq8(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Leq8 x y) + // result: (LessEqual (CMPW (SignExt8to32 x) (SignExt8to32 y))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64LessEqual) + v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) + v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32) + v1.AddArg(x) + v2 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32) + v2.AddArg(y) + v0.AddArg2(v1, v2) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpLeq8U(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Leq8U x zero:(MOVDconst [0])) + // result: (Eq8 x zero) + for { + x := v_0 + zero := v_1 + if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 { + break + } + v.reset(OpEq8) + v.AddArg2(x, zero) + return true + } + // match: (Leq8U (MOVDconst [1]) x) + // result: (Neq8 (MOVDconst [0]) x) + for { + if v_0.Op != OpARM64MOVDconst || auxIntToInt64(v_0.AuxInt) != 1 { + break + } + x := v_1 + v.reset(OpNeq8) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v.AddArg2(v0, x) + return true + } + // match: (Leq8U x y) + // result: (LessEqualU (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64LessEqualU) + v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) + v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) + v1.AddArg(x) + v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) + v2.AddArg(y) + v0.AddArg2(v1, v2) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpLess16(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Less16 x y) + // result: (LessThan (CMPW (SignExt16to32 x) (SignExt16to32 y))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64LessThan) + v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) + v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32) + v1.AddArg(x) + v2 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32) + v2.AddArg(y) + v0.AddArg2(v1, v2) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpLess16U(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Less16U zero:(MOVDconst [0]) x) + // result: (Neq16 zero x) + for { + zero := v_0 + if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 { + break + } + x := v_1 + v.reset(OpNeq16) + v.AddArg2(zero, x) + return true + } + // match: (Less16U x (MOVDconst [1])) + // result: (Eq16 x (MOVDconst [0])) + for { + x := v_0 + if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 { + break + } + v.reset(OpEq16) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v.AddArg2(x, v0) + return true + } + // match: (Less16U x y) + // result: (LessThanU (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) + v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) + v1.AddArg(x) + v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) + v2.AddArg(y) + v0.AddArg2(v1, v2) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpLess32(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (Less32 x y) + // result: (LessThan (CMPW x y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64LessThan) + v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpLess32F(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (Less32F x y) + // result: (LessThanF (FCMPS x y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64LessThanF) + v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpLess32U(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Less32U zero:(MOVDconst [0]) x) + // result: (Neq32 zero x) + for { + zero := v_0 + if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 { + break + } + x := v_1 + v.reset(OpNeq32) + v.AddArg2(zero, x) + return true + } + // match: (Less32U x (MOVDconst [1])) + // result: (Eq32 x (MOVDconst [0])) + for { + x := v_0 + if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 { + break + } + v.reset(OpEq32) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v.AddArg2(x, v0) + return true + } + // match: (Less32U x y) + // result: (LessThanU (CMPW x y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpLess64(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (Less64 x y) + // result: (LessThan (CMP x y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64LessThan) + v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpLess64F(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (Less64F x y) + // result: (LessThanF (FCMPD x y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64LessThanF) + v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpLess64U(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Less64U zero:(MOVDconst [0]) x) + // result: (Neq64 zero x) + for { + zero := v_0 + if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 { + break + } + x := v_1 + v.reset(OpNeq64) + v.AddArg2(zero, x) + return true + } + // match: (Less64U x (MOVDconst [1])) + // result: (Eq64 x (MOVDconst [0])) + for { + x := v_0 + if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 { + break + } + v.reset(OpEq64) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v.AddArg2(x, v0) + return true + } + // match: (Less64U x y) + // result: (LessThanU (CMP x y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpLess8(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Less8 x y) + // result: (LessThan (CMPW (SignExt8to32 x) (SignExt8to32 y))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64LessThan) + v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) + v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32) + v1.AddArg(x) + v2 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32) + v2.AddArg(y) + v0.AddArg2(v1, v2) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpLess8U(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Less8U zero:(MOVDconst [0]) x) + // result: (Neq8 zero x) + for { + zero := v_0 + if zero.Op != OpARM64MOVDconst || auxIntToInt64(zero.AuxInt) != 0 { + break + } + x := v_1 + v.reset(OpNeq8) + v.AddArg2(zero, x) + return true + } + // match: (Less8U x (MOVDconst [1])) + // result: (Eq8 x (MOVDconst [0])) + for { + x := v_0 + if v_1.Op != OpARM64MOVDconst || auxIntToInt64(v_1.AuxInt) != 1 { + break + } + v.reset(OpEq8) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v.AddArg2(x, v0) + return true + } + // match: (Less8U x y) + // result: (LessThanU (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) + v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) + v1.AddArg(x) + v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) + v2.AddArg(y) + v0.AddArg2(v1, v2) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpLoad(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (Load <t> ptr mem) + // cond: t.IsBoolean() + // result: (MOVBUload ptr mem) + for { + t := v.Type + ptr := v_0 + mem := v_1 + if !(t.IsBoolean()) { + break + } + v.reset(OpARM64MOVBUload) + v.AddArg2(ptr, mem) + return true + } + // match: (Load <t> ptr mem) + // cond: (is8BitInt(t) && isSigned(t)) + // result: (MOVBload ptr mem) + for { + t := v.Type + ptr := v_0 + mem := v_1 + if !(is8BitInt(t) && isSigned(t)) { + break + } + v.reset(OpARM64MOVBload) + v.AddArg2(ptr, mem) + return true + } + // match: (Load <t> ptr mem) + // cond: (is8BitInt(t) && !isSigned(t)) + // result: (MOVBUload ptr mem) + for { + t := v.Type + ptr := v_0 + mem := v_1 + if !(is8BitInt(t) && !isSigned(t)) { + break + } + v.reset(OpARM64MOVBUload) + v.AddArg2(ptr, mem) + return true + } + // match: (Load <t> ptr mem) + // cond: (is16BitInt(t) && isSigned(t)) + // result: (MOVHload ptr mem) + for { + t := v.Type + ptr := v_0 + mem := v_1 + if !(is16BitInt(t) && isSigned(t)) { + break + } + v.reset(OpARM64MOVHload) + v.AddArg2(ptr, mem) + return true + } + // match: (Load <t> ptr mem) + // cond: (is16BitInt(t) && !isSigned(t)) + // result: (MOVHUload ptr mem) + for { + t := v.Type + ptr := v_0 + mem := v_1 + if !(is16BitInt(t) && !isSigned(t)) { + break + } + v.reset(OpARM64MOVHUload) + v.AddArg2(ptr, mem) + return true + } + // match: (Load <t> ptr mem) + // cond: (is32BitInt(t) && isSigned(t)) + // result: (MOVWload ptr mem) + for { + t := v.Type + ptr := v_0 + mem := v_1 + if !(is32BitInt(t) && isSigned(t)) { + break + } + v.reset(OpARM64MOVWload) + v.AddArg2(ptr, mem) + return true + } + // match: (Load <t> ptr mem) + // cond: (is32BitInt(t) && !isSigned(t)) + // result: (MOVWUload ptr mem) + for { + t := v.Type + ptr := v_0 + mem := v_1 + if !(is32BitInt(t) && !isSigned(t)) { + break + } + v.reset(OpARM64MOVWUload) + v.AddArg2(ptr, mem) + return true + } + // match: (Load <t> ptr mem) + // cond: (is64BitInt(t) || isPtr(t)) + // result: (MOVDload ptr mem) + for { + t := v.Type + ptr := v_0 + mem := v_1 + if !(is64BitInt(t) || isPtr(t)) { + break + } + v.reset(OpARM64MOVDload) + v.AddArg2(ptr, mem) + return true + } + // match: (Load <t> ptr mem) + // cond: is32BitFloat(t) + // result: (FMOVSload ptr mem) + for { + t := v.Type + ptr := v_0 + mem := v_1 + if !(is32BitFloat(t)) { + break + } + v.reset(OpARM64FMOVSload) + v.AddArg2(ptr, mem) + return true + } + // match: (Load <t> ptr mem) + // cond: is64BitFloat(t) + // result: (FMOVDload ptr mem) + for { + t := v.Type + ptr := v_0 + mem := v_1 + if !(is64BitFloat(t)) { + break + } + v.reset(OpARM64FMOVDload) + v.AddArg2(ptr, mem) + return true + } + return false +} +func rewriteValueARM64_OpLocalAddr(v *Value) bool { + v_0 := v.Args[0] + // match: (LocalAddr {sym} base _) + // result: (MOVDaddr {sym} base) + for { + sym := auxToSym(v.Aux) + base := v_0 + v.reset(OpARM64MOVDaddr) + v.Aux = symToAux(sym) + v.AddArg(base) + return true + } +} +func rewriteValueARM64_OpLsh16x16(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Lsh16x16 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SLL <t> x (ZeroExt16to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y))) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SLL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) + v1.AddArg(y) + v0.AddArg2(x, v1) + v2 := b.NewValue0(v.Pos, OpConst64, t) + v2.AuxInt = int64ToAuxInt(0) + v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v3.AuxInt = int64ToAuxInt(64) + v3.AddArg(v1) + v.AddArg3(v0, v2, v3) + return true + } +} +func rewriteValueARM64_OpLsh16x32(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Lsh16x32 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SLL <t> x (ZeroExt32to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y))) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SLL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) + v1.AddArg(y) + v0.AddArg2(x, v1) + v2 := b.NewValue0(v.Pos, OpConst64, t) + v2.AuxInt = int64ToAuxInt(0) + v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v3.AuxInt = int64ToAuxInt(64) + v3.AddArg(v1) + v.AddArg3(v0, v2, v3) + return true + } +} +func rewriteValueARM64_OpLsh16x64(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (Lsh16x64 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] y)) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SLL, t) + v0.AddArg2(x, y) + v1 := b.NewValue0(v.Pos, OpConst64, t) + v1.AuxInt = int64ToAuxInt(0) + v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v2.AuxInt = int64ToAuxInt(64) + v2.AddArg(y) + v.AddArg3(v0, v1, v2) + return true + } +} +func rewriteValueARM64_OpLsh16x8(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Lsh16x8 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SLL <t> x (ZeroExt8to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y))) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SLL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) + v1.AddArg(y) + v0.AddArg2(x, v1) + v2 := b.NewValue0(v.Pos, OpConst64, t) + v2.AuxInt = int64ToAuxInt(0) + v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v3.AuxInt = int64ToAuxInt(64) + v3.AddArg(v1) + v.AddArg3(v0, v2, v3) + return true + } +} +func rewriteValueARM64_OpLsh32x16(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Lsh32x16 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SLL <t> x (ZeroExt16to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y))) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SLL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) + v1.AddArg(y) + v0.AddArg2(x, v1) + v2 := b.NewValue0(v.Pos, OpConst64, t) + v2.AuxInt = int64ToAuxInt(0) + v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v3.AuxInt = int64ToAuxInt(64) + v3.AddArg(v1) + v.AddArg3(v0, v2, v3) + return true + } +} +func rewriteValueARM64_OpLsh32x32(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Lsh32x32 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SLL <t> x (ZeroExt32to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y))) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SLL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) + v1.AddArg(y) + v0.AddArg2(x, v1) + v2 := b.NewValue0(v.Pos, OpConst64, t) + v2.AuxInt = int64ToAuxInt(0) + v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v3.AuxInt = int64ToAuxInt(64) + v3.AddArg(v1) + v.AddArg3(v0, v2, v3) + return true + } +} +func rewriteValueARM64_OpLsh32x64(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (Lsh32x64 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] y)) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SLL, t) + v0.AddArg2(x, y) + v1 := b.NewValue0(v.Pos, OpConst64, t) + v1.AuxInt = int64ToAuxInt(0) + v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v2.AuxInt = int64ToAuxInt(64) + v2.AddArg(y) + v.AddArg3(v0, v1, v2) + return true + } +} +func rewriteValueARM64_OpLsh32x8(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Lsh32x8 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SLL <t> x (ZeroExt8to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y))) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SLL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) + v1.AddArg(y) + v0.AddArg2(x, v1) + v2 := b.NewValue0(v.Pos, OpConst64, t) + v2.AuxInt = int64ToAuxInt(0) + v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v3.AuxInt = int64ToAuxInt(64) + v3.AddArg(v1) + v.AddArg3(v0, v2, v3) + return true + } +} +func rewriteValueARM64_OpLsh64x16(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Lsh64x16 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SLL <t> x (ZeroExt16to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y))) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SLL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) + v1.AddArg(y) + v0.AddArg2(x, v1) + v2 := b.NewValue0(v.Pos, OpConst64, t) + v2.AuxInt = int64ToAuxInt(0) + v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v3.AuxInt = int64ToAuxInt(64) + v3.AddArg(v1) + v.AddArg3(v0, v2, v3) + return true + } +} +func rewriteValueARM64_OpLsh64x32(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Lsh64x32 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SLL <t> x (ZeroExt32to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y))) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SLL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) + v1.AddArg(y) + v0.AddArg2(x, v1) + v2 := b.NewValue0(v.Pos, OpConst64, t) + v2.AuxInt = int64ToAuxInt(0) + v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v3.AuxInt = int64ToAuxInt(64) + v3.AddArg(v1) + v.AddArg3(v0, v2, v3) + return true + } +} +func rewriteValueARM64_OpLsh64x64(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (Lsh64x64 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] y)) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SLL, t) + v0.AddArg2(x, y) + v1 := b.NewValue0(v.Pos, OpConst64, t) + v1.AuxInt = int64ToAuxInt(0) + v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v2.AuxInt = int64ToAuxInt(64) + v2.AddArg(y) + v.AddArg3(v0, v1, v2) + return true + } +} +func rewriteValueARM64_OpLsh64x8(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Lsh64x8 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SLL <t> x (ZeroExt8to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y))) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SLL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) + v1.AddArg(y) + v0.AddArg2(x, v1) + v2 := b.NewValue0(v.Pos, OpConst64, t) + v2.AuxInt = int64ToAuxInt(0) + v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v3.AuxInt = int64ToAuxInt(64) + v3.AddArg(v1) + v.AddArg3(v0, v2, v3) + return true + } +} +func rewriteValueARM64_OpLsh8x16(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Lsh8x16 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SLL <t> x (ZeroExt16to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y))) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SLL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) + v1.AddArg(y) + v0.AddArg2(x, v1) + v2 := b.NewValue0(v.Pos, OpConst64, t) + v2.AuxInt = int64ToAuxInt(0) + v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v3.AuxInt = int64ToAuxInt(64) + v3.AddArg(v1) + v.AddArg3(v0, v2, v3) + return true + } +} +func rewriteValueARM64_OpLsh8x32(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Lsh8x32 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SLL <t> x (ZeroExt32to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y))) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SLL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) + v1.AddArg(y) + v0.AddArg2(x, v1) + v2 := b.NewValue0(v.Pos, OpConst64, t) + v2.AuxInt = int64ToAuxInt(0) + v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v3.AuxInt = int64ToAuxInt(64) + v3.AddArg(v1) + v.AddArg3(v0, v2, v3) + return true + } +} +func rewriteValueARM64_OpLsh8x64(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (Lsh8x64 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SLL <t> x y) (Const64 <t> [0]) (CMPconst [64] y)) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SLL, t) + v0.AddArg2(x, y) + v1 := b.NewValue0(v.Pos, OpConst64, t) + v1.AuxInt = int64ToAuxInt(0) + v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v2.AuxInt = int64ToAuxInt(64) + v2.AddArg(y) + v.AddArg3(v0, v1, v2) + return true + } +} +func rewriteValueARM64_OpLsh8x8(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Lsh8x8 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SLL <t> x (ZeroExt8to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y))) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SLL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) + v1.AddArg(y) + v0.AddArg2(x, v1) + v2 := b.NewValue0(v.Pos, OpConst64, t) + v2.AuxInt = int64ToAuxInt(0) + v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v3.AuxInt = int64ToAuxInt(64) + v3.AddArg(v1) + v.AddArg3(v0, v2, v3) + return true + } +} +func rewriteValueARM64_OpMod16(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Mod16 x y) + // result: (MODW (SignExt16to32 x) (SignExt16to32 y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64MODW) + v0 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32) + v0.AddArg(x) + v1 := b.NewValue0(v.Pos, OpSignExt16to32, typ.Int32) + v1.AddArg(y) + v.AddArg2(v0, v1) + return true + } +} +func rewriteValueARM64_OpMod16u(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Mod16u x y) + // result: (UMODW (ZeroExt16to32 x) (ZeroExt16to32 y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64UMODW) + v0 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) + v0.AddArg(x) + v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) + v1.AddArg(y) + v.AddArg2(v0, v1) + return true + } +} +func rewriteValueARM64_OpMod32(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (Mod32 x y) + // result: (MODW x y) + for { + x := v_0 + y := v_1 + v.reset(OpARM64MODW) + v.AddArg2(x, y) + return true + } +} +func rewriteValueARM64_OpMod64(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (Mod64 x y) + // result: (MOD x y) + for { + x := v_0 + y := v_1 + v.reset(OpARM64MOD) + v.AddArg2(x, y) + return true + } +} +func rewriteValueARM64_OpMod8(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Mod8 x y) + // result: (MODW (SignExt8to32 x) (SignExt8to32 y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64MODW) + v0 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32) + v0.AddArg(x) + v1 := b.NewValue0(v.Pos, OpSignExt8to32, typ.Int32) + v1.AddArg(y) + v.AddArg2(v0, v1) + return true + } +} +func rewriteValueARM64_OpMod8u(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Mod8u x y) + // result: (UMODW (ZeroExt8to32 x) (ZeroExt8to32 y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64UMODW) + v0 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) + v0.AddArg(x) + v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) + v1.AddArg(y) + v.AddArg2(v0, v1) + return true + } +} +func rewriteValueARM64_OpMove(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + config := b.Func.Config + typ := &b.Func.Config.Types + // match: (Move [0] _ _ mem) + // result: mem + for { + if auxIntToInt64(v.AuxInt) != 0 { + break + } + mem := v_2 + v.copyOf(mem) + return true + } + // match: (Move [1] dst src mem) + // result: (MOVBstore dst (MOVBUload src mem) mem) + for { + if auxIntToInt64(v.AuxInt) != 1 { + break + } + dst := v_0 + src := v_1 + mem := v_2 + v.reset(OpARM64MOVBstore) + v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8) + v0.AddArg2(src, mem) + v.AddArg3(dst, v0, mem) + return true + } + // match: (Move [2] dst src mem) + // result: (MOVHstore dst (MOVHUload src mem) mem) + for { + if auxIntToInt64(v.AuxInt) != 2 { + break + } + dst := v_0 + src := v_1 + mem := v_2 + v.reset(OpARM64MOVHstore) + v0 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16) + v0.AddArg2(src, mem) + v.AddArg3(dst, v0, mem) + return true + } + // match: (Move [4] dst src mem) + // result: (MOVWstore dst (MOVWUload src mem) mem) + for { + if auxIntToInt64(v.AuxInt) != 4 { + break + } + dst := v_0 + src := v_1 + mem := v_2 + v.reset(OpARM64MOVWstore) + v0 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32) + v0.AddArg2(src, mem) + v.AddArg3(dst, v0, mem) + return true + } + // match: (Move [8] dst src mem) + // result: (MOVDstore dst (MOVDload src mem) mem) + for { + if auxIntToInt64(v.AuxInt) != 8 { + break + } + dst := v_0 + src := v_1 + mem := v_2 + v.reset(OpARM64MOVDstore) + v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64) + v0.AddArg2(src, mem) + v.AddArg3(dst, v0, mem) + return true + } + // match: (Move [3] dst src mem) + // result: (MOVBstore [2] dst (MOVBUload [2] src mem) (MOVHstore dst (MOVHUload src mem) mem)) + for { + if auxIntToInt64(v.AuxInt) != 3 { + break + } + dst := v_0 + src := v_1 + mem := v_2 + v.reset(OpARM64MOVBstore) + v.AuxInt = int32ToAuxInt(2) + v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8) + v0.AuxInt = int32ToAuxInt(2) + v0.AddArg2(src, mem) + v1 := b.NewValue0(v.Pos, OpARM64MOVHstore, types.TypeMem) + v2 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16) + v2.AddArg2(src, mem) + v1.AddArg3(dst, v2, mem) + v.AddArg3(dst, v0, v1) + return true + } + // match: (Move [5] dst src mem) + // result: (MOVBstore [4] dst (MOVBUload [4] src mem) (MOVWstore dst (MOVWUload src mem) mem)) + for { + if auxIntToInt64(v.AuxInt) != 5 { + break + } + dst := v_0 + src := v_1 + mem := v_2 + v.reset(OpARM64MOVBstore) + v.AuxInt = int32ToAuxInt(4) + v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8) + v0.AuxInt = int32ToAuxInt(4) + v0.AddArg2(src, mem) + v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem) + v2 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32) + v2.AddArg2(src, mem) + v1.AddArg3(dst, v2, mem) + v.AddArg3(dst, v0, v1) + return true + } + // match: (Move [6] dst src mem) + // result: (MOVHstore [4] dst (MOVHUload [4] src mem) (MOVWstore dst (MOVWUload src mem) mem)) + for { + if auxIntToInt64(v.AuxInt) != 6 { + break + } + dst := v_0 + src := v_1 + mem := v_2 + v.reset(OpARM64MOVHstore) + v.AuxInt = int32ToAuxInt(4) + v0 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16) + v0.AuxInt = int32ToAuxInt(4) + v0.AddArg2(src, mem) + v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem) + v2 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32) + v2.AddArg2(src, mem) + v1.AddArg3(dst, v2, mem) + v.AddArg3(dst, v0, v1) + return true + } + // match: (Move [7] dst src mem) + // result: (MOVBstore [6] dst (MOVBUload [6] src mem) (MOVHstore [4] dst (MOVHUload [4] src mem) (MOVWstore dst (MOVWUload src mem) mem))) + for { + if auxIntToInt64(v.AuxInt) != 7 { + break + } + dst := v_0 + src := v_1 + mem := v_2 + v.reset(OpARM64MOVBstore) + v.AuxInt = int32ToAuxInt(6) + v0 := b.NewValue0(v.Pos, OpARM64MOVBUload, typ.UInt8) + v0.AuxInt = int32ToAuxInt(6) + v0.AddArg2(src, mem) + v1 := b.NewValue0(v.Pos, OpARM64MOVHstore, types.TypeMem) + v1.AuxInt = int32ToAuxInt(4) + v2 := b.NewValue0(v.Pos, OpARM64MOVHUload, typ.UInt16) + v2.AuxInt = int32ToAuxInt(4) + v2.AddArg2(src, mem) + v3 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem) + v4 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32) + v4.AddArg2(src, mem) + v3.AddArg3(dst, v4, mem) + v1.AddArg3(dst, v2, v3) + v.AddArg3(dst, v0, v1) + return true + } + // match: (Move [12] dst src mem) + // result: (MOVWstore [8] dst (MOVWUload [8] src mem) (MOVDstore dst (MOVDload src mem) mem)) + for { + if auxIntToInt64(v.AuxInt) != 12 { + break + } + dst := v_0 + src := v_1 + mem := v_2 + v.reset(OpARM64MOVWstore) + v.AuxInt = int32ToAuxInt(8) + v0 := b.NewValue0(v.Pos, OpARM64MOVWUload, typ.UInt32) + v0.AuxInt = int32ToAuxInt(8) + v0.AddArg2(src, mem) + v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem) + v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64) + v2.AddArg2(src, mem) + v1.AddArg3(dst, v2, mem) + v.AddArg3(dst, v0, v1) + return true + } + // match: (Move [16] dst src mem) + // result: (MOVDstore [8] dst (MOVDload [8] src mem) (MOVDstore dst (MOVDload src mem) mem)) + for { + if auxIntToInt64(v.AuxInt) != 16 { + break + } + dst := v_0 + src := v_1 + mem := v_2 + v.reset(OpARM64MOVDstore) + v.AuxInt = int32ToAuxInt(8) + v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64) + v0.AuxInt = int32ToAuxInt(8) + v0.AddArg2(src, mem) + v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem) + v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64) + v2.AddArg2(src, mem) + v1.AddArg3(dst, v2, mem) + v.AddArg3(dst, v0, v1) + return true + } + // match: (Move [24] dst src mem) + // result: (MOVDstore [16] dst (MOVDload [16] src mem) (MOVDstore [8] dst (MOVDload [8] src mem) (MOVDstore dst (MOVDload src mem) mem))) + for { + if auxIntToInt64(v.AuxInt) != 24 { + break + } + dst := v_0 + src := v_1 + mem := v_2 + v.reset(OpARM64MOVDstore) + v.AuxInt = int32ToAuxInt(16) + v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64) + v0.AuxInt = int32ToAuxInt(16) + v0.AddArg2(src, mem) + v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem) + v1.AuxInt = int32ToAuxInt(8) + v2 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64) + v2.AuxInt = int32ToAuxInt(8) + v2.AddArg2(src, mem) + v3 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem) + v4 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64) + v4.AddArg2(src, mem) + v3.AddArg3(dst, v4, mem) + v1.AddArg3(dst, v2, v3) + v.AddArg3(dst, v0, v1) + return true + } + // match: (Move [s] dst src mem) + // cond: s%8 != 0 && s > 8 + // result: (Move [s%8] (OffPtr <dst.Type> dst [s-s%8]) (OffPtr <src.Type> src [s-s%8]) (Move [s-s%8] dst src mem)) + for { + s := auxIntToInt64(v.AuxInt) + dst := v_0 + src := v_1 + mem := v_2 + if !(s%8 != 0 && s > 8) { + break + } + v.reset(OpMove) + v.AuxInt = int64ToAuxInt(s % 8) + v0 := b.NewValue0(v.Pos, OpOffPtr, dst.Type) + v0.AuxInt = int64ToAuxInt(s - s%8) + v0.AddArg(dst) + v1 := b.NewValue0(v.Pos, OpOffPtr, src.Type) + v1.AuxInt = int64ToAuxInt(s - s%8) + v1.AddArg(src) + v2 := b.NewValue0(v.Pos, OpMove, types.TypeMem) + v2.AuxInt = int64ToAuxInt(s - s%8) + v2.AddArg3(dst, src, mem) + v.AddArg3(v0, v1, v2) + return true + } + // match: (Move [s] dst src mem) + // cond: s > 32 && s <= 16*64 && s%16 == 8 && !config.noDuffDevice && logLargeCopy(v, s) + // result: (MOVDstore [int32(s-8)] dst (MOVDload [int32(s-8)] src mem) (DUFFCOPY <types.TypeMem> [8*(64-(s-8)/16)] dst src mem)) + for { + s := auxIntToInt64(v.AuxInt) + dst := v_0 + src := v_1 + mem := v_2 + if !(s > 32 && s <= 16*64 && s%16 == 8 && !config.noDuffDevice && logLargeCopy(v, s)) { + break + } + v.reset(OpARM64MOVDstore) + v.AuxInt = int32ToAuxInt(int32(s - 8)) + v0 := b.NewValue0(v.Pos, OpARM64MOVDload, typ.UInt64) + v0.AuxInt = int32ToAuxInt(int32(s - 8)) + v0.AddArg2(src, mem) + v1 := b.NewValue0(v.Pos, OpARM64DUFFCOPY, types.TypeMem) + v1.AuxInt = int64ToAuxInt(8 * (64 - (s-8)/16)) + v1.AddArg3(dst, src, mem) + v.AddArg3(dst, v0, v1) + return true + } + // match: (Move [s] dst src mem) + // cond: s > 32 && s <= 16*64 && s%16 == 0 && !config.noDuffDevice && logLargeCopy(v, s) + // result: (DUFFCOPY [8 * (64 - s/16)] dst src mem) + for { + s := auxIntToInt64(v.AuxInt) + dst := v_0 + src := v_1 + mem := v_2 + if !(s > 32 && s <= 16*64 && s%16 == 0 && !config.noDuffDevice && logLargeCopy(v, s)) { + break + } + v.reset(OpARM64DUFFCOPY) + v.AuxInt = int64ToAuxInt(8 * (64 - s/16)) + v.AddArg3(dst, src, mem) + return true + } + // match: (Move [s] dst src mem) + // cond: s > 24 && s%8 == 0 && logLargeCopy(v, s) + // result: (LoweredMove dst src (ADDconst <src.Type> src [s-8]) mem) + for { + s := auxIntToInt64(v.AuxInt) + dst := v_0 + src := v_1 + mem := v_2 + if !(s > 24 && s%8 == 0 && logLargeCopy(v, s)) { + break + } + v.reset(OpARM64LoweredMove) + v0 := b.NewValue0(v.Pos, OpARM64ADDconst, src.Type) + v0.AuxInt = int64ToAuxInt(s - 8) + v0.AddArg(src) + v.AddArg4(dst, src, v0, mem) + return true + } + return false +} +func rewriteValueARM64_OpNeq16(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Neq16 x y) + // result: (NotEqual (CMPW (ZeroExt16to32 x) (ZeroExt16to32 y))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64NotEqual) + v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) + v1 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) + v1.AddArg(x) + v2 := b.NewValue0(v.Pos, OpZeroExt16to32, typ.UInt32) + v2.AddArg(y) + v0.AddArg2(v1, v2) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpNeq32(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (Neq32 x y) + // result: (NotEqual (CMPW x y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64NotEqual) + v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpNeq32F(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (Neq32F x y) + // result: (NotEqual (FCMPS x y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64NotEqual) + v0 := b.NewValue0(v.Pos, OpARM64FCMPS, types.TypeFlags) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpNeq64(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (Neq64 x y) + // result: (NotEqual (CMP x y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64NotEqual) + v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpNeq64F(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (Neq64F x y) + // result: (NotEqual (FCMPD x y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64NotEqual) + v0 := b.NewValue0(v.Pos, OpARM64FCMPD, types.TypeFlags) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpNeq8(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Neq8 x y) + // result: (NotEqual (CMPW (ZeroExt8to32 x) (ZeroExt8to32 y))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64NotEqual) + v0 := b.NewValue0(v.Pos, OpARM64CMPW, types.TypeFlags) + v1 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) + v1.AddArg(x) + v2 := b.NewValue0(v.Pos, OpZeroExt8to32, typ.UInt32) + v2.AddArg(y) + v0.AddArg2(v1, v2) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpNeqPtr(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (NeqPtr x y) + // result: (NotEqual (CMP x y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64NotEqual) + v0 := b.NewValue0(v.Pos, OpARM64CMP, types.TypeFlags) + v0.AddArg2(x, y) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpNot(v *Value) bool { + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Not x) + // result: (XOR (MOVDconst [1]) x) + for { + x := v_0 + v.reset(OpARM64XOR) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(1) + v.AddArg2(v0, x) + return true + } +} +func rewriteValueARM64_OpOffPtr(v *Value) bool { + v_0 := v.Args[0] + // match: (OffPtr [off] ptr:(SP)) + // cond: is32Bit(off) + // result: (MOVDaddr [int32(off)] ptr) + for { + off := auxIntToInt64(v.AuxInt) + ptr := v_0 + if ptr.Op != OpSP || !(is32Bit(off)) { + break + } + v.reset(OpARM64MOVDaddr) + v.AuxInt = int32ToAuxInt(int32(off)) + v.AddArg(ptr) + return true + } + // match: (OffPtr [off] ptr) + // result: (ADDconst [off] ptr) + for { + off := auxIntToInt64(v.AuxInt) + ptr := v_0 + v.reset(OpARM64ADDconst) + v.AuxInt = int64ToAuxInt(off) + v.AddArg(ptr) + return true + } +} +func rewriteValueARM64_OpPanicBounds(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (PanicBounds [kind] x y mem) + // cond: boundsABI(kind) == 0 + // result: (LoweredPanicBoundsA [kind] x y mem) + for { + kind := auxIntToInt64(v.AuxInt) + x := v_0 + y := v_1 + mem := v_2 + if !(boundsABI(kind) == 0) { + break + } + v.reset(OpARM64LoweredPanicBoundsA) + v.AuxInt = int64ToAuxInt(kind) + v.AddArg3(x, y, mem) + return true + } + // match: (PanicBounds [kind] x y mem) + // cond: boundsABI(kind) == 1 + // result: (LoweredPanicBoundsB [kind] x y mem) + for { + kind := auxIntToInt64(v.AuxInt) + x := v_0 + y := v_1 + mem := v_2 + if !(boundsABI(kind) == 1) { + break + } + v.reset(OpARM64LoweredPanicBoundsB) + v.AuxInt = int64ToAuxInt(kind) + v.AddArg3(x, y, mem) + return true + } + // match: (PanicBounds [kind] x y mem) + // cond: boundsABI(kind) == 2 + // result: (LoweredPanicBoundsC [kind] x y mem) + for { + kind := auxIntToInt64(v.AuxInt) + x := v_0 + y := v_1 + mem := v_2 + if !(boundsABI(kind) == 2) { + break + } + v.reset(OpARM64LoweredPanicBoundsC) + v.AuxInt = int64ToAuxInt(kind) + v.AddArg3(x, y, mem) + return true + } + return false +} +func rewriteValueARM64_OpPopCount16(v *Value) bool { + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (PopCount16 <t> x) + // result: (FMOVDfpgp <t> (VUADDLV <typ.Float64> (VCNT <typ.Float64> (FMOVDgpfp <typ.Float64> (ZeroExt16to64 x))))) + for { + t := v.Type + x := v_0 + v.reset(OpARM64FMOVDfpgp) + v.Type = t + v0 := b.NewValue0(v.Pos, OpARM64VUADDLV, typ.Float64) + v1 := b.NewValue0(v.Pos, OpARM64VCNT, typ.Float64) + v2 := b.NewValue0(v.Pos, OpARM64FMOVDgpfp, typ.Float64) + v3 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) + v3.AddArg(x) + v2.AddArg(v3) + v1.AddArg(v2) + v0.AddArg(v1) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpPopCount32(v *Value) bool { + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (PopCount32 <t> x) + // result: (FMOVDfpgp <t> (VUADDLV <typ.Float64> (VCNT <typ.Float64> (FMOVDgpfp <typ.Float64> (ZeroExt32to64 x))))) + for { + t := v.Type + x := v_0 + v.reset(OpARM64FMOVDfpgp) + v.Type = t + v0 := b.NewValue0(v.Pos, OpARM64VUADDLV, typ.Float64) + v1 := b.NewValue0(v.Pos, OpARM64VCNT, typ.Float64) + v2 := b.NewValue0(v.Pos, OpARM64FMOVDgpfp, typ.Float64) + v3 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) + v3.AddArg(x) + v2.AddArg(v3) + v1.AddArg(v2) + v0.AddArg(v1) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpPopCount64(v *Value) bool { + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (PopCount64 <t> x) + // result: (FMOVDfpgp <t> (VUADDLV <typ.Float64> (VCNT <typ.Float64> (FMOVDgpfp <typ.Float64> x)))) + for { + t := v.Type + x := v_0 + v.reset(OpARM64FMOVDfpgp) + v.Type = t + v0 := b.NewValue0(v.Pos, OpARM64VUADDLV, typ.Float64) + v1 := b.NewValue0(v.Pos, OpARM64VCNT, typ.Float64) + v2 := b.NewValue0(v.Pos, OpARM64FMOVDgpfp, typ.Float64) + v2.AddArg(x) + v1.AddArg(v2) + v0.AddArg(v1) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpPrefetchCache(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (PrefetchCache addr mem) + // result: (PRFM [0] addr mem) + for { + addr := v_0 + mem := v_1 + v.reset(OpARM64PRFM) + v.AuxInt = int64ToAuxInt(0) + v.AddArg2(addr, mem) + return true + } +} +func rewriteValueARM64_OpPrefetchCacheStreamed(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (PrefetchCacheStreamed addr mem) + // result: (PRFM [1] addr mem) + for { + addr := v_0 + mem := v_1 + v.reset(OpARM64PRFM) + v.AuxInt = int64ToAuxInt(1) + v.AddArg2(addr, mem) + return true + } +} +func rewriteValueARM64_OpPubBarrier(v *Value) bool { + v_0 := v.Args[0] + // match: (PubBarrier mem) + // result: (DMB [0xe] mem) + for { + mem := v_0 + v.reset(OpARM64DMB) + v.AuxInt = int64ToAuxInt(0xe) + v.AddArg(mem) + return true + } +} +func rewriteValueARM64_OpRotateLeft16(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (RotateLeft16 <t> x (MOVDconst [c])) + // result: (Or16 (Lsh16x64 <t> x (MOVDconst [c&15])) (Rsh16Ux64 <t> x (MOVDconst [-c&15]))) + for { + t := v.Type + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpOr16) + v0 := b.NewValue0(v.Pos, OpLsh16x64, t) + v1 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v1.AuxInt = int64ToAuxInt(c & 15) + v0.AddArg2(x, v1) + v2 := b.NewValue0(v.Pos, OpRsh16Ux64, t) + v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v3.AuxInt = int64ToAuxInt(-c & 15) + v2.AddArg2(x, v3) + v.AddArg2(v0, v2) + return true + } + return false +} +func rewriteValueARM64_OpRotateLeft32(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (RotateLeft32 x y) + // result: (RORW x (NEG <y.Type> y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64RORW) + v0 := b.NewValue0(v.Pos, OpARM64NEG, y.Type) + v0.AddArg(y) + v.AddArg2(x, v0) + return true + } +} +func rewriteValueARM64_OpRotateLeft64(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (RotateLeft64 x y) + // result: (ROR x (NEG <y.Type> y)) + for { + x := v_0 + y := v_1 + v.reset(OpARM64ROR) + v0 := b.NewValue0(v.Pos, OpARM64NEG, y.Type) + v0.AddArg(y) + v.AddArg2(x, v0) + return true + } +} +func rewriteValueARM64_OpRotateLeft8(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (RotateLeft8 <t> x (MOVDconst [c])) + // result: (Or8 (Lsh8x64 <t> x (MOVDconst [c&7])) (Rsh8Ux64 <t> x (MOVDconst [-c&7]))) + for { + t := v.Type + x := v_0 + if v_1.Op != OpARM64MOVDconst { + break + } + c := auxIntToInt64(v_1.AuxInt) + v.reset(OpOr8) + v0 := b.NewValue0(v.Pos, OpLsh8x64, t) + v1 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v1.AuxInt = int64ToAuxInt(c & 7) + v0.AddArg2(x, v1) + v2 := b.NewValue0(v.Pos, OpRsh8Ux64, t) + v3 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v3.AuxInt = int64ToAuxInt(-c & 7) + v2.AddArg2(x, v3) + v.AddArg2(v0, v2) + return true + } + return false +} +func rewriteValueARM64_OpRsh16Ux16(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh16Ux16 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt16to64 x) (ZeroExt16to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y))) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SRL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) + v1.AddArg(x) + v2 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) + v2.AddArg(y) + v0.AddArg2(v1, v2) + v3 := b.NewValue0(v.Pos, OpConst64, t) + v3.AuxInt = int64ToAuxInt(0) + v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v4.AuxInt = int64ToAuxInt(64) + v4.AddArg(v2) + v.AddArg3(v0, v3, v4) + return true + } +} +func rewriteValueARM64_OpRsh16Ux32(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh16Ux32 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt16to64 x) (ZeroExt32to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y))) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SRL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) + v1.AddArg(x) + v2 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) + v2.AddArg(y) + v0.AddArg2(v1, v2) + v3 := b.NewValue0(v.Pos, OpConst64, t) + v3.AuxInt = int64ToAuxInt(0) + v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v4.AuxInt = int64ToAuxInt(64) + v4.AddArg(v2) + v.AddArg3(v0, v3, v4) + return true + } +} +func rewriteValueARM64_OpRsh16Ux64(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh16Ux64 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt16to64 x) y) (Const64 <t> [0]) (CMPconst [64] y)) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SRL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) + v1.AddArg(x) + v0.AddArg2(v1, y) + v2 := b.NewValue0(v.Pos, OpConst64, t) + v2.AuxInt = int64ToAuxInt(0) + v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v3.AuxInt = int64ToAuxInt(64) + v3.AddArg(y) + v.AddArg3(v0, v2, v3) + return true + } +} +func rewriteValueARM64_OpRsh16Ux8(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh16Ux8 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt16to64 x) (ZeroExt8to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y))) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SRL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) + v1.AddArg(x) + v2 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) + v2.AddArg(y) + v0.AddArg2(v1, v2) + v3 := b.NewValue0(v.Pos, OpConst64, t) + v3.AuxInt = int64ToAuxInt(0) + v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v4.AuxInt = int64ToAuxInt(64) + v4.AddArg(v2) + v.AddArg3(v0, v3, v4) + return true + } +} +func rewriteValueARM64_OpRsh16x16(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh16x16 x y) + // result: (SRA (SignExt16to64 x) (CSEL [OpARM64LessThanU] <y.Type> (ZeroExt16to64 y) (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt16to64 y)))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64SRA) + v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64) + v0.AddArg(x) + v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) + v1.AuxInt = opToAuxInt(OpARM64LessThanU) + v2 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) + v2.AddArg(y) + v3 := b.NewValue0(v.Pos, OpConst64, y.Type) + v3.AuxInt = int64ToAuxInt(63) + v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v4.AuxInt = int64ToAuxInt(64) + v4.AddArg(v2) + v1.AddArg3(v2, v3, v4) + v.AddArg2(v0, v1) + return true + } +} +func rewriteValueARM64_OpRsh16x32(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh16x32 x y) + // result: (SRA (SignExt16to64 x) (CSEL [OpARM64LessThanU] <y.Type> (ZeroExt32to64 y) (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt32to64 y)))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64SRA) + v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64) + v0.AddArg(x) + v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) + v1.AuxInt = opToAuxInt(OpARM64LessThanU) + v2 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) + v2.AddArg(y) + v3 := b.NewValue0(v.Pos, OpConst64, y.Type) + v3.AuxInt = int64ToAuxInt(63) + v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v4.AuxInt = int64ToAuxInt(64) + v4.AddArg(v2) + v1.AddArg3(v2, v3, v4) + v.AddArg2(v0, v1) + return true + } +} +func rewriteValueARM64_OpRsh16x64(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh16x64 x y) + // result: (SRA (SignExt16to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] y))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64SRA) + v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64) + v0.AddArg(x) + v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) + v1.AuxInt = opToAuxInt(OpARM64LessThanU) + v2 := b.NewValue0(v.Pos, OpConst64, y.Type) + v2.AuxInt = int64ToAuxInt(63) + v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v3.AuxInt = int64ToAuxInt(64) + v3.AddArg(y) + v1.AddArg3(y, v2, v3) + v.AddArg2(v0, v1) + return true + } +} +func rewriteValueARM64_OpRsh16x8(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh16x8 x y) + // result: (SRA (SignExt16to64 x) (CSEL [OpARM64LessThanU] <y.Type> (ZeroExt8to64 y) (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt8to64 y)))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64SRA) + v0 := b.NewValue0(v.Pos, OpSignExt16to64, typ.Int64) + v0.AddArg(x) + v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) + v1.AuxInt = opToAuxInt(OpARM64LessThanU) + v2 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) + v2.AddArg(y) + v3 := b.NewValue0(v.Pos, OpConst64, y.Type) + v3.AuxInt = int64ToAuxInt(63) + v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v4.AuxInt = int64ToAuxInt(64) + v4.AddArg(v2) + v1.AddArg3(v2, v3, v4) + v.AddArg2(v0, v1) + return true + } +} +func rewriteValueARM64_OpRsh32Ux16(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh32Ux16 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt32to64 x) (ZeroExt16to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y))) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SRL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) + v1.AddArg(x) + v2 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) + v2.AddArg(y) + v0.AddArg2(v1, v2) + v3 := b.NewValue0(v.Pos, OpConst64, t) + v3.AuxInt = int64ToAuxInt(0) + v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v4.AuxInt = int64ToAuxInt(64) + v4.AddArg(v2) + v.AddArg3(v0, v3, v4) + return true + } +} +func rewriteValueARM64_OpRsh32Ux32(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh32Ux32 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt32to64 x) (ZeroExt32to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y))) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SRL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) + v1.AddArg(x) + v2 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) + v2.AddArg(y) + v0.AddArg2(v1, v2) + v3 := b.NewValue0(v.Pos, OpConst64, t) + v3.AuxInt = int64ToAuxInt(0) + v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v4.AuxInt = int64ToAuxInt(64) + v4.AddArg(v2) + v.AddArg3(v0, v3, v4) + return true + } +} +func rewriteValueARM64_OpRsh32Ux64(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh32Ux64 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt32to64 x) y) (Const64 <t> [0]) (CMPconst [64] y)) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SRL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) + v1.AddArg(x) + v0.AddArg2(v1, y) + v2 := b.NewValue0(v.Pos, OpConst64, t) + v2.AuxInt = int64ToAuxInt(0) + v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v3.AuxInt = int64ToAuxInt(64) + v3.AddArg(y) + v.AddArg3(v0, v2, v3) + return true + } +} +func rewriteValueARM64_OpRsh32Ux8(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh32Ux8 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt32to64 x) (ZeroExt8to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y))) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SRL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) + v1.AddArg(x) + v2 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) + v2.AddArg(y) + v0.AddArg2(v1, v2) + v3 := b.NewValue0(v.Pos, OpConst64, t) + v3.AuxInt = int64ToAuxInt(0) + v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v4.AuxInt = int64ToAuxInt(64) + v4.AddArg(v2) + v.AddArg3(v0, v3, v4) + return true + } +} +func rewriteValueARM64_OpRsh32x16(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh32x16 x y) + // result: (SRA (SignExt32to64 x) (CSEL [OpARM64LessThanU] <y.Type> (ZeroExt16to64 y) (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt16to64 y)))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64SRA) + v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64) + v0.AddArg(x) + v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) + v1.AuxInt = opToAuxInt(OpARM64LessThanU) + v2 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) + v2.AddArg(y) + v3 := b.NewValue0(v.Pos, OpConst64, y.Type) + v3.AuxInt = int64ToAuxInt(63) + v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v4.AuxInt = int64ToAuxInt(64) + v4.AddArg(v2) + v1.AddArg3(v2, v3, v4) + v.AddArg2(v0, v1) + return true + } +} +func rewriteValueARM64_OpRsh32x32(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh32x32 x y) + // result: (SRA (SignExt32to64 x) (CSEL [OpARM64LessThanU] <y.Type> (ZeroExt32to64 y) (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt32to64 y)))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64SRA) + v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64) + v0.AddArg(x) + v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) + v1.AuxInt = opToAuxInt(OpARM64LessThanU) + v2 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) + v2.AddArg(y) + v3 := b.NewValue0(v.Pos, OpConst64, y.Type) + v3.AuxInt = int64ToAuxInt(63) + v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v4.AuxInt = int64ToAuxInt(64) + v4.AddArg(v2) + v1.AddArg3(v2, v3, v4) + v.AddArg2(v0, v1) + return true + } +} +func rewriteValueARM64_OpRsh32x64(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh32x64 x y) + // result: (SRA (SignExt32to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] y))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64SRA) + v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64) + v0.AddArg(x) + v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) + v1.AuxInt = opToAuxInt(OpARM64LessThanU) + v2 := b.NewValue0(v.Pos, OpConst64, y.Type) + v2.AuxInt = int64ToAuxInt(63) + v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v3.AuxInt = int64ToAuxInt(64) + v3.AddArg(y) + v1.AddArg3(y, v2, v3) + v.AddArg2(v0, v1) + return true + } +} +func rewriteValueARM64_OpRsh32x8(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh32x8 x y) + // result: (SRA (SignExt32to64 x) (CSEL [OpARM64LessThanU] <y.Type> (ZeroExt8to64 y) (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt8to64 y)))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64SRA) + v0 := b.NewValue0(v.Pos, OpSignExt32to64, typ.Int64) + v0.AddArg(x) + v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) + v1.AuxInt = opToAuxInt(OpARM64LessThanU) + v2 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) + v2.AddArg(y) + v3 := b.NewValue0(v.Pos, OpConst64, y.Type) + v3.AuxInt = int64ToAuxInt(63) + v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v4.AuxInt = int64ToAuxInt(64) + v4.AddArg(v2) + v1.AddArg3(v2, v3, v4) + v.AddArg2(v0, v1) + return true + } +} +func rewriteValueARM64_OpRsh64Ux16(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh64Ux16 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SRL <t> x (ZeroExt16to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y))) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SRL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) + v1.AddArg(y) + v0.AddArg2(x, v1) + v2 := b.NewValue0(v.Pos, OpConst64, t) + v2.AuxInt = int64ToAuxInt(0) + v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v3.AuxInt = int64ToAuxInt(64) + v3.AddArg(v1) + v.AddArg3(v0, v2, v3) + return true + } +} +func rewriteValueARM64_OpRsh64Ux32(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh64Ux32 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SRL <t> x (ZeroExt32to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y))) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SRL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) + v1.AddArg(y) + v0.AddArg2(x, v1) + v2 := b.NewValue0(v.Pos, OpConst64, t) + v2.AuxInt = int64ToAuxInt(0) + v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v3.AuxInt = int64ToAuxInt(64) + v3.AddArg(v1) + v.AddArg3(v0, v2, v3) + return true + } +} +func rewriteValueARM64_OpRsh64Ux64(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (Rsh64Ux64 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SRL <t> x y) (Const64 <t> [0]) (CMPconst [64] y)) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SRL, t) + v0.AddArg2(x, y) + v1 := b.NewValue0(v.Pos, OpConst64, t) + v1.AuxInt = int64ToAuxInt(0) + v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v2.AuxInt = int64ToAuxInt(64) + v2.AddArg(y) + v.AddArg3(v0, v1, v2) + return true + } +} +func rewriteValueARM64_OpRsh64Ux8(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh64Ux8 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SRL <t> x (ZeroExt8to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y))) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SRL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) + v1.AddArg(y) + v0.AddArg2(x, v1) + v2 := b.NewValue0(v.Pos, OpConst64, t) + v2.AuxInt = int64ToAuxInt(0) + v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v3.AuxInt = int64ToAuxInt(64) + v3.AddArg(v1) + v.AddArg3(v0, v2, v3) + return true + } +} +func rewriteValueARM64_OpRsh64x16(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh64x16 x y) + // result: (SRA x (CSEL [OpARM64LessThanU] <y.Type> (ZeroExt16to64 y) (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt16to64 y)))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64SRA) + v0 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) + v0.AuxInt = opToAuxInt(OpARM64LessThanU) + v1 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) + v1.AddArg(y) + v2 := b.NewValue0(v.Pos, OpConst64, y.Type) + v2.AuxInt = int64ToAuxInt(63) + v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v3.AuxInt = int64ToAuxInt(64) + v3.AddArg(v1) + v0.AddArg3(v1, v2, v3) + v.AddArg2(x, v0) + return true + } +} +func rewriteValueARM64_OpRsh64x32(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh64x32 x y) + // result: (SRA x (CSEL [OpARM64LessThanU] <y.Type> (ZeroExt32to64 y) (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt32to64 y)))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64SRA) + v0 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) + v0.AuxInt = opToAuxInt(OpARM64LessThanU) + v1 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) + v1.AddArg(y) + v2 := b.NewValue0(v.Pos, OpConst64, y.Type) + v2.AuxInt = int64ToAuxInt(63) + v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v3.AuxInt = int64ToAuxInt(64) + v3.AddArg(v1) + v0.AddArg3(v1, v2, v3) + v.AddArg2(x, v0) + return true + } +} +func rewriteValueARM64_OpRsh64x64(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + // match: (Rsh64x64 x y) + // result: (SRA x (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] y))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64SRA) + v0 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) + v0.AuxInt = opToAuxInt(OpARM64LessThanU) + v1 := b.NewValue0(v.Pos, OpConst64, y.Type) + v1.AuxInt = int64ToAuxInt(63) + v2 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v2.AuxInt = int64ToAuxInt(64) + v2.AddArg(y) + v0.AddArg3(y, v1, v2) + v.AddArg2(x, v0) + return true + } +} +func rewriteValueARM64_OpRsh64x8(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh64x8 x y) + // result: (SRA x (CSEL [OpARM64LessThanU] <y.Type> (ZeroExt8to64 y) (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt8to64 y)))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64SRA) + v0 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) + v0.AuxInt = opToAuxInt(OpARM64LessThanU) + v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) + v1.AddArg(y) + v2 := b.NewValue0(v.Pos, OpConst64, y.Type) + v2.AuxInt = int64ToAuxInt(63) + v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v3.AuxInt = int64ToAuxInt(64) + v3.AddArg(v1) + v0.AddArg3(v1, v2, v3) + v.AddArg2(x, v0) + return true + } +} +func rewriteValueARM64_OpRsh8Ux16(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh8Ux16 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt8to64 x) (ZeroExt16to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt16to64 y))) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SRL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) + v1.AddArg(x) + v2 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) + v2.AddArg(y) + v0.AddArg2(v1, v2) + v3 := b.NewValue0(v.Pos, OpConst64, t) + v3.AuxInt = int64ToAuxInt(0) + v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v4.AuxInt = int64ToAuxInt(64) + v4.AddArg(v2) + v.AddArg3(v0, v3, v4) + return true + } +} +func rewriteValueARM64_OpRsh8Ux32(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh8Ux32 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt8to64 x) (ZeroExt32to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt32to64 y))) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SRL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) + v1.AddArg(x) + v2 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) + v2.AddArg(y) + v0.AddArg2(v1, v2) + v3 := b.NewValue0(v.Pos, OpConst64, t) + v3.AuxInt = int64ToAuxInt(0) + v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v4.AuxInt = int64ToAuxInt(64) + v4.AddArg(v2) + v.AddArg3(v0, v3, v4) + return true + } +} +func rewriteValueARM64_OpRsh8Ux64(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh8Ux64 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt8to64 x) y) (Const64 <t> [0]) (CMPconst [64] y)) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SRL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) + v1.AddArg(x) + v0.AddArg2(v1, y) + v2 := b.NewValue0(v.Pos, OpConst64, t) + v2.AuxInt = int64ToAuxInt(0) + v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v3.AuxInt = int64ToAuxInt(64) + v3.AddArg(y) + v.AddArg3(v0, v2, v3) + return true + } +} +func rewriteValueARM64_OpRsh8Ux8(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh8Ux8 <t> x y) + // result: (CSEL [OpARM64LessThanU] (SRL <t> (ZeroExt8to64 x) (ZeroExt8to64 y)) (Const64 <t> [0]) (CMPconst [64] (ZeroExt8to64 y))) + for { + t := v.Type + x := v_0 + y := v_1 + v.reset(OpARM64CSEL) + v.AuxInt = opToAuxInt(OpARM64LessThanU) + v0 := b.NewValue0(v.Pos, OpARM64SRL, t) + v1 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) + v1.AddArg(x) + v2 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) + v2.AddArg(y) + v0.AddArg2(v1, v2) + v3 := b.NewValue0(v.Pos, OpConst64, t) + v3.AuxInt = int64ToAuxInt(0) + v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v4.AuxInt = int64ToAuxInt(64) + v4.AddArg(v2) + v.AddArg3(v0, v3, v4) + return true + } +} +func rewriteValueARM64_OpRsh8x16(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh8x16 x y) + // result: (SRA (SignExt8to64 x) (CSEL [OpARM64LessThanU] <y.Type> (ZeroExt16to64 y) (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt16to64 y)))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64SRA) + v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64) + v0.AddArg(x) + v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) + v1.AuxInt = opToAuxInt(OpARM64LessThanU) + v2 := b.NewValue0(v.Pos, OpZeroExt16to64, typ.UInt64) + v2.AddArg(y) + v3 := b.NewValue0(v.Pos, OpConst64, y.Type) + v3.AuxInt = int64ToAuxInt(63) + v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v4.AuxInt = int64ToAuxInt(64) + v4.AddArg(v2) + v1.AddArg3(v2, v3, v4) + v.AddArg2(v0, v1) + return true + } +} +func rewriteValueARM64_OpRsh8x32(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh8x32 x y) + // result: (SRA (SignExt8to64 x) (CSEL [OpARM64LessThanU] <y.Type> (ZeroExt32to64 y) (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt32to64 y)))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64SRA) + v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64) + v0.AddArg(x) + v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) + v1.AuxInt = opToAuxInt(OpARM64LessThanU) + v2 := b.NewValue0(v.Pos, OpZeroExt32to64, typ.UInt64) + v2.AddArg(y) + v3 := b.NewValue0(v.Pos, OpConst64, y.Type) + v3.AuxInt = int64ToAuxInt(63) + v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v4.AuxInt = int64ToAuxInt(64) + v4.AddArg(v2) + v1.AddArg3(v2, v3, v4) + v.AddArg2(v0, v1) + return true + } +} +func rewriteValueARM64_OpRsh8x64(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh8x64 x y) + // result: (SRA (SignExt8to64 x) (CSEL [OpARM64LessThanU] <y.Type> y (Const64 <y.Type> [63]) (CMPconst [64] y))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64SRA) + v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64) + v0.AddArg(x) + v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) + v1.AuxInt = opToAuxInt(OpARM64LessThanU) + v2 := b.NewValue0(v.Pos, OpConst64, y.Type) + v2.AuxInt = int64ToAuxInt(63) + v3 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v3.AuxInt = int64ToAuxInt(64) + v3.AddArg(y) + v1.AddArg3(y, v2, v3) + v.AddArg2(v0, v1) + return true + } +} +func rewriteValueARM64_OpRsh8x8(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Rsh8x8 x y) + // result: (SRA (SignExt8to64 x) (CSEL [OpARM64LessThanU] <y.Type> (ZeroExt8to64 y) (Const64 <y.Type> [63]) (CMPconst [64] (ZeroExt8to64 y)))) + for { + x := v_0 + y := v_1 + v.reset(OpARM64SRA) + v0 := b.NewValue0(v.Pos, OpSignExt8to64, typ.Int64) + v0.AddArg(x) + v1 := b.NewValue0(v.Pos, OpARM64CSEL, y.Type) + v1.AuxInt = opToAuxInt(OpARM64LessThanU) + v2 := b.NewValue0(v.Pos, OpZeroExt8to64, typ.UInt64) + v2.AddArg(y) + v3 := b.NewValue0(v.Pos, OpConst64, y.Type) + v3.AuxInt = int64ToAuxInt(63) + v4 := b.NewValue0(v.Pos, OpARM64CMPconst, types.TypeFlags) + v4.AuxInt = int64ToAuxInt(64) + v4.AddArg(v2) + v1.AddArg3(v2, v3, v4) + v.AddArg2(v0, v1) + return true + } +} +func rewriteValueARM64_OpSelect0(v *Value) bool { + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Select0 (Add64carry x y c)) + // result: (Select0 <typ.UInt64> (ADCSflags x y (Select1 <types.TypeFlags> (ADDSconstflags [-1] c)))) + for { + if v_0.Op != OpAdd64carry { + break + } + c := v_0.Args[2] + x := v_0.Args[0] + y := v_0.Args[1] + v.reset(OpSelect0) + v.Type = typ.UInt64 + v0 := b.NewValue0(v.Pos, OpARM64ADCSflags, types.NewTuple(typ.UInt64, types.TypeFlags)) + v1 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags) + v2 := b.NewValue0(v.Pos, OpARM64ADDSconstflags, types.NewTuple(typ.UInt64, types.TypeFlags)) + v2.AuxInt = int64ToAuxInt(-1) + v2.AddArg(c) + v1.AddArg(v2) + v0.AddArg3(x, y, v1) + v.AddArg(v0) + return true + } + // match: (Select0 (Sub64borrow x y bo)) + // result: (Select0 <typ.UInt64> (SBCSflags x y (Select1 <types.TypeFlags> (NEGSflags bo)))) + for { + if v_0.Op != OpSub64borrow { + break + } + bo := v_0.Args[2] + x := v_0.Args[0] + y := v_0.Args[1] + v.reset(OpSelect0) + v.Type = typ.UInt64 + v0 := b.NewValue0(v.Pos, OpARM64SBCSflags, types.NewTuple(typ.UInt64, types.TypeFlags)) + v1 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags) + v2 := b.NewValue0(v.Pos, OpARM64NEGSflags, types.NewTuple(typ.UInt64, types.TypeFlags)) + v2.AddArg(bo) + v1.AddArg(v2) + v0.AddArg3(x, y, v1) + v.AddArg(v0) + return true + } + return false +} +func rewriteValueARM64_OpSelect1(v *Value) bool { + v_0 := v.Args[0] + b := v.Block + typ := &b.Func.Config.Types + // match: (Select1 (Add64carry x y c)) + // result: (ADCzerocarry <typ.UInt64> (Select1 <types.TypeFlags> (ADCSflags x y (Select1 <types.TypeFlags> (ADDSconstflags [-1] c))))) + for { + if v_0.Op != OpAdd64carry { + break + } + c := v_0.Args[2] + x := v_0.Args[0] + y := v_0.Args[1] + v.reset(OpARM64ADCzerocarry) + v.Type = typ.UInt64 + v0 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags) + v1 := b.NewValue0(v.Pos, OpARM64ADCSflags, types.NewTuple(typ.UInt64, types.TypeFlags)) + v2 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags) + v3 := b.NewValue0(v.Pos, OpARM64ADDSconstflags, types.NewTuple(typ.UInt64, types.TypeFlags)) + v3.AuxInt = int64ToAuxInt(-1) + v3.AddArg(c) + v2.AddArg(v3) + v1.AddArg3(x, y, v2) + v0.AddArg(v1) + v.AddArg(v0) + return true + } + // match: (Select1 (Sub64borrow x y bo)) + // result: (NEG <typ.UInt64> (NGCzerocarry <typ.UInt64> (Select1 <types.TypeFlags> (SBCSflags x y (Select1 <types.TypeFlags> (NEGSflags bo)))))) + for { + if v_0.Op != OpSub64borrow { + break + } + bo := v_0.Args[2] + x := v_0.Args[0] + y := v_0.Args[1] + v.reset(OpARM64NEG) + v.Type = typ.UInt64 + v0 := b.NewValue0(v.Pos, OpARM64NGCzerocarry, typ.UInt64) + v1 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags) + v2 := b.NewValue0(v.Pos, OpARM64SBCSflags, types.NewTuple(typ.UInt64, types.TypeFlags)) + v3 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags) + v4 := b.NewValue0(v.Pos, OpARM64NEGSflags, types.NewTuple(typ.UInt64, types.TypeFlags)) + v4.AddArg(bo) + v3.AddArg(v4) + v2.AddArg3(x, y, v3) + v1.AddArg(v2) + v0.AddArg(v1) + v.AddArg(v0) + return true + } + return false +} +func rewriteValueARM64_OpSelectN(v *Value) bool { + v_0 := v.Args[0] + b := v.Block + config := b.Func.Config + // match: (SelectN [0] call:(CALLstatic {sym} s1:(MOVDstore _ (MOVDconst [sz]) s2:(MOVDstore _ src s3:(MOVDstore {t} _ dst mem))))) + // cond: sz >= 0 && isSameCall(sym, "runtime.memmove") && s1.Uses == 1 && s2.Uses == 1 && s3.Uses == 1 && isInlinableMemmove(dst, src, sz, config) && clobber(s1, s2, s3, call) + // result: (Move [sz] dst src mem) + for { + if auxIntToInt64(v.AuxInt) != 0 { + break + } + call := v_0 + if call.Op != OpARM64CALLstatic || len(call.Args) != 1 { + break + } + sym := auxToCall(call.Aux) + s1 := call.Args[0] + if s1.Op != OpARM64MOVDstore { + break + } + _ = s1.Args[2] + s1_1 := s1.Args[1] + if s1_1.Op != OpARM64MOVDconst { + break + } + sz := auxIntToInt64(s1_1.AuxInt) + s2 := s1.Args[2] + if s2.Op != OpARM64MOVDstore { + break + } + _ = s2.Args[2] + src := s2.Args[1] + s3 := s2.Args[2] + if s3.Op != OpARM64MOVDstore { + break + } + mem := s3.Args[2] + dst := s3.Args[1] + if !(sz >= 0 && isSameCall(sym, "runtime.memmove") && s1.Uses == 1 && s2.Uses == 1 && s3.Uses == 1 && isInlinableMemmove(dst, src, sz, config) && clobber(s1, s2, s3, call)) { + break + } + v.reset(OpMove) + v.AuxInt = int64ToAuxInt(sz) + v.AddArg3(dst, src, mem) + return true + } + // match: (SelectN [0] call:(CALLstatic {sym} dst src (MOVDconst [sz]) mem)) + // cond: sz >= 0 && isSameCall(sym, "runtime.memmove") && call.Uses == 1 && isInlinableMemmove(dst, src, sz, config) && clobber(call) + // result: (Move [sz] dst src mem) + for { + if auxIntToInt64(v.AuxInt) != 0 { + break + } + call := v_0 + if call.Op != OpARM64CALLstatic || len(call.Args) != 4 { + break + } + sym := auxToCall(call.Aux) + mem := call.Args[3] + dst := call.Args[0] + src := call.Args[1] + call_2 := call.Args[2] + if call_2.Op != OpARM64MOVDconst { + break + } + sz := auxIntToInt64(call_2.AuxInt) + if !(sz >= 0 && isSameCall(sym, "runtime.memmove") && call.Uses == 1 && isInlinableMemmove(dst, src, sz, config) && clobber(call)) { + break + } + v.reset(OpMove) + v.AuxInt = int64ToAuxInt(sz) + v.AddArg3(dst, src, mem) + return true + } + return false +} +func rewriteValueARM64_OpSlicemask(v *Value) bool { + v_0 := v.Args[0] + b := v.Block + // match: (Slicemask <t> x) + // result: (SRAconst (NEG <t> x) [63]) + for { + t := v.Type + x := v_0 + v.reset(OpARM64SRAconst) + v.AuxInt = int64ToAuxInt(63) + v0 := b.NewValue0(v.Pos, OpARM64NEG, t) + v0.AddArg(x) + v.AddArg(v0) + return true + } +} +func rewriteValueARM64_OpStore(v *Value) bool { + v_2 := v.Args[2] + v_1 := v.Args[1] + v_0 := v.Args[0] + // match: (Store {t} ptr val mem) + // cond: t.Size() == 1 + // result: (MOVBstore ptr val mem) + for { + t := auxToType(v.Aux) + ptr := v_0 + val := v_1 + mem := v_2 + if !(t.Size() == 1) { + break + } + v.reset(OpARM64MOVBstore) + v.AddArg3(ptr, val, mem) + return true + } + // match: (Store {t} ptr val mem) + // cond: t.Size() == 2 + // result: (MOVHstore ptr val mem) + for { + t := auxToType(v.Aux) + ptr := v_0 + val := v_1 + mem := v_2 + if !(t.Size() == 2) { + break + } + v.reset(OpARM64MOVHstore) + v.AddArg3(ptr, val, mem) + return true + } + // match: (Store {t} ptr val mem) + // cond: t.Size() == 4 && !is32BitFloat(val.Type) + // result: (MOVWstore ptr val mem) + for { + t := auxToType(v.Aux) + ptr := v_0 + val := v_1 + mem := v_2 + if !(t.Size() == 4 && !is32BitFloat(val.Type)) { + break + } + v.reset(OpARM64MOVWstore) + v.AddArg3(ptr, val, mem) + return true + } + // match: (Store {t} ptr val mem) + // cond: t.Size() == 8 && !is64BitFloat(val.Type) + // result: (MOVDstore ptr val mem) + for { + t := auxToType(v.Aux) + ptr := v_0 + val := v_1 + mem := v_2 + if !(t.Size() == 8 && !is64BitFloat(val.Type)) { + break + } + v.reset(OpARM64MOVDstore) + v.AddArg3(ptr, val, mem) + return true + } + // match: (Store {t} ptr val mem) + // cond: t.Size() == 4 && is32BitFloat(val.Type) + // result: (FMOVSstore ptr val mem) + for { + t := auxToType(v.Aux) + ptr := v_0 + val := v_1 + mem := v_2 + if !(t.Size() == 4 && is32BitFloat(val.Type)) { + break + } + v.reset(OpARM64FMOVSstore) + v.AddArg3(ptr, val, mem) + return true + } + // match: (Store {t} ptr val mem) + // cond: t.Size() == 8 && is64BitFloat(val.Type) + // result: (FMOVDstore ptr val mem) + for { + t := auxToType(v.Aux) + ptr := v_0 + val := v_1 + mem := v_2 + if !(t.Size() == 8 && is64BitFloat(val.Type)) { + break + } + v.reset(OpARM64FMOVDstore) + v.AddArg3(ptr, val, mem) + return true + } + return false +} +func rewriteValueARM64_OpZero(v *Value) bool { + v_1 := v.Args[1] + v_0 := v.Args[0] + b := v.Block + config := b.Func.Config + typ := &b.Func.Config.Types + // match: (Zero [0] _ mem) + // result: mem + for { + if auxIntToInt64(v.AuxInt) != 0 { + break + } + mem := v_1 + v.copyOf(mem) + return true + } + // match: (Zero [1] ptr mem) + // result: (MOVBstore ptr (MOVDconst [0]) mem) + for { + if auxIntToInt64(v.AuxInt) != 1 { + break + } + ptr := v_0 + mem := v_1 + v.reset(OpARM64MOVBstore) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v.AddArg3(ptr, v0, mem) + return true + } + // match: (Zero [2] ptr mem) + // result: (MOVHstore ptr (MOVDconst [0]) mem) + for { + if auxIntToInt64(v.AuxInt) != 2 { + break + } + ptr := v_0 + mem := v_1 + v.reset(OpARM64MOVHstore) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v.AddArg3(ptr, v0, mem) + return true + } + // match: (Zero [4] ptr mem) + // result: (MOVWstore ptr (MOVDconst [0]) mem) + for { + if auxIntToInt64(v.AuxInt) != 4 { + break + } + ptr := v_0 + mem := v_1 + v.reset(OpARM64MOVWstore) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v.AddArg3(ptr, v0, mem) + return true + } + // match: (Zero [8] ptr mem) + // result: (MOVDstore ptr (MOVDconst [0]) mem) + for { + if auxIntToInt64(v.AuxInt) != 8 { + break + } + ptr := v_0 + mem := v_1 + v.reset(OpARM64MOVDstore) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v.AddArg3(ptr, v0, mem) + return true + } + // match: (Zero [3] ptr mem) + // result: (MOVBstore [2] ptr (MOVDconst [0]) (MOVHstore ptr (MOVDconst [0]) mem)) + for { + if auxIntToInt64(v.AuxInt) != 3 { + break + } + ptr := v_0 + mem := v_1 + v.reset(OpARM64MOVBstore) + v.AuxInt = int32ToAuxInt(2) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v1 := b.NewValue0(v.Pos, OpARM64MOVHstore, types.TypeMem) + v1.AddArg3(ptr, v0, mem) + v.AddArg3(ptr, v0, v1) + return true + } + // match: (Zero [5] ptr mem) + // result: (MOVBstore [4] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem)) + for { + if auxIntToInt64(v.AuxInt) != 5 { + break + } + ptr := v_0 + mem := v_1 + v.reset(OpARM64MOVBstore) + v.AuxInt = int32ToAuxInt(4) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem) + v1.AddArg3(ptr, v0, mem) + v.AddArg3(ptr, v0, v1) + return true + } + // match: (Zero [6] ptr mem) + // result: (MOVHstore [4] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem)) + for { + if auxIntToInt64(v.AuxInt) != 6 { + break + } + ptr := v_0 + mem := v_1 + v.reset(OpARM64MOVHstore) + v.AuxInt = int32ToAuxInt(4) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem) + v1.AddArg3(ptr, v0, mem) + v.AddArg3(ptr, v0, v1) + return true + } + // match: (Zero [7] ptr mem) + // result: (MOVBstore [6] ptr (MOVDconst [0]) (MOVHstore [4] ptr (MOVDconst [0]) (MOVWstore ptr (MOVDconst [0]) mem))) + for { + if auxIntToInt64(v.AuxInt) != 7 { + break + } + ptr := v_0 + mem := v_1 + v.reset(OpARM64MOVBstore) + v.AuxInt = int32ToAuxInt(6) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v1 := b.NewValue0(v.Pos, OpARM64MOVHstore, types.TypeMem) + v1.AuxInt = int32ToAuxInt(4) + v2 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem) + v2.AddArg3(ptr, v0, mem) + v1.AddArg3(ptr, v0, v2) + v.AddArg3(ptr, v0, v1) + return true + } + // match: (Zero [9] ptr mem) + // result: (MOVBstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem)) + for { + if auxIntToInt64(v.AuxInt) != 9 { + break + } + ptr := v_0 + mem := v_1 + v.reset(OpARM64MOVBstore) + v.AuxInt = int32ToAuxInt(8) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem) + v1.AddArg3(ptr, v0, mem) + v.AddArg3(ptr, v0, v1) + return true + } + // match: (Zero [10] ptr mem) + // result: (MOVHstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem)) + for { + if auxIntToInt64(v.AuxInt) != 10 { + break + } + ptr := v_0 + mem := v_1 + v.reset(OpARM64MOVHstore) + v.AuxInt = int32ToAuxInt(8) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem) + v1.AddArg3(ptr, v0, mem) + v.AddArg3(ptr, v0, v1) + return true + } + // match: (Zero [11] ptr mem) + // result: (MOVBstore [10] ptr (MOVDconst [0]) (MOVHstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))) + for { + if auxIntToInt64(v.AuxInt) != 11 { + break + } + ptr := v_0 + mem := v_1 + v.reset(OpARM64MOVBstore) + v.AuxInt = int32ToAuxInt(10) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v1 := b.NewValue0(v.Pos, OpARM64MOVHstore, types.TypeMem) + v1.AuxInt = int32ToAuxInt(8) + v2 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem) + v2.AddArg3(ptr, v0, mem) + v1.AddArg3(ptr, v0, v2) + v.AddArg3(ptr, v0, v1) + return true + } + // match: (Zero [12] ptr mem) + // result: (MOVWstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem)) + for { + if auxIntToInt64(v.AuxInt) != 12 { + break + } + ptr := v_0 + mem := v_1 + v.reset(OpARM64MOVWstore) + v.AuxInt = int32ToAuxInt(8) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v1 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem) + v1.AddArg3(ptr, v0, mem) + v.AddArg3(ptr, v0, v1) + return true + } + // match: (Zero [13] ptr mem) + // result: (MOVBstore [12] ptr (MOVDconst [0]) (MOVWstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))) + for { + if auxIntToInt64(v.AuxInt) != 13 { + break + } + ptr := v_0 + mem := v_1 + v.reset(OpARM64MOVBstore) + v.AuxInt = int32ToAuxInt(12) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem) + v1.AuxInt = int32ToAuxInt(8) + v2 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem) + v2.AddArg3(ptr, v0, mem) + v1.AddArg3(ptr, v0, v2) + v.AddArg3(ptr, v0, v1) + return true + } + // match: (Zero [14] ptr mem) + // result: (MOVHstore [12] ptr (MOVDconst [0]) (MOVWstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem))) + for { + if auxIntToInt64(v.AuxInt) != 14 { + break + } + ptr := v_0 + mem := v_1 + v.reset(OpARM64MOVHstore) + v.AuxInt = int32ToAuxInt(12) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v1 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem) + v1.AuxInt = int32ToAuxInt(8) + v2 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem) + v2.AddArg3(ptr, v0, mem) + v1.AddArg3(ptr, v0, v2) + v.AddArg3(ptr, v0, v1) + return true + } + // match: (Zero [15] ptr mem) + // result: (MOVBstore [14] ptr (MOVDconst [0]) (MOVHstore [12] ptr (MOVDconst [0]) (MOVWstore [8] ptr (MOVDconst [0]) (MOVDstore ptr (MOVDconst [0]) mem)))) + for { + if auxIntToInt64(v.AuxInt) != 15 { + break + } + ptr := v_0 + mem := v_1 + v.reset(OpARM64MOVBstore) + v.AuxInt = int32ToAuxInt(14) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v1 := b.NewValue0(v.Pos, OpARM64MOVHstore, types.TypeMem) + v1.AuxInt = int32ToAuxInt(12) + v2 := b.NewValue0(v.Pos, OpARM64MOVWstore, types.TypeMem) + v2.AuxInt = int32ToAuxInt(8) + v3 := b.NewValue0(v.Pos, OpARM64MOVDstore, types.TypeMem) + v3.AddArg3(ptr, v0, mem) + v2.AddArg3(ptr, v0, v3) + v1.AddArg3(ptr, v0, v2) + v.AddArg3(ptr, v0, v1) + return true + } + // match: (Zero [16] ptr mem) + // result: (STP [0] ptr (MOVDconst [0]) (MOVDconst [0]) mem) + for { + if auxIntToInt64(v.AuxInt) != 16 { + break + } + ptr := v_0 + mem := v_1 + v.reset(OpARM64STP) + v.AuxInt = int32ToAuxInt(0) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v.AddArg4(ptr, v0, v0, mem) + return true + } + // match: (Zero [32] ptr mem) + // result: (STP [16] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [0] ptr (MOVDconst [0]) (MOVDconst [0]) mem)) + for { + if auxIntToInt64(v.AuxInt) != 32 { + break + } + ptr := v_0 + mem := v_1 + v.reset(OpARM64STP) + v.AuxInt = int32ToAuxInt(16) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v1 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem) + v1.AuxInt = int32ToAuxInt(0) + v1.AddArg4(ptr, v0, v0, mem) + v.AddArg4(ptr, v0, v0, v1) + return true + } + // match: (Zero [48] ptr mem) + // result: (STP [32] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [16] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [0] ptr (MOVDconst [0]) (MOVDconst [0]) mem))) + for { + if auxIntToInt64(v.AuxInt) != 48 { + break + } + ptr := v_0 + mem := v_1 + v.reset(OpARM64STP) + v.AuxInt = int32ToAuxInt(32) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v1 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem) + v1.AuxInt = int32ToAuxInt(16) + v2 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem) + v2.AuxInt = int32ToAuxInt(0) + v2.AddArg4(ptr, v0, v0, mem) + v1.AddArg4(ptr, v0, v0, v2) + v.AddArg4(ptr, v0, v0, v1) + return true + } + // match: (Zero [64] ptr mem) + // result: (STP [48] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [32] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [16] ptr (MOVDconst [0]) (MOVDconst [0]) (STP [0] ptr (MOVDconst [0]) (MOVDconst [0]) mem)))) + for { + if auxIntToInt64(v.AuxInt) != 64 { + break + } + ptr := v_0 + mem := v_1 + v.reset(OpARM64STP) + v.AuxInt = int32ToAuxInt(48) + v0 := b.NewValue0(v.Pos, OpARM64MOVDconst, typ.UInt64) + v0.AuxInt = int64ToAuxInt(0) + v1 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem) + v1.AuxInt = int32ToAuxInt(32) + v2 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem) + v2.AuxInt = int32ToAuxInt(16) + v3 := b.NewValue0(v.Pos, OpARM64STP, types.TypeMem) + v3.AuxInt = int32ToAuxInt(0) + v3.AddArg4(ptr, v0, v0, mem) + v2.AddArg4(ptr, v0, v0, v3) + v1.AddArg4(ptr, v0, v0, v2) + v.AddArg4(ptr, v0, v0, v1) + return true + } + // match: (Zero [s] ptr mem) + // cond: s%16 != 0 && s%16 <= 8 && s > 16 + // result: (Zero [8] (OffPtr <ptr.Type> ptr [s-8]) (Zero [s-s%16] ptr mem)) + for { + s := auxIntToInt64(v.AuxInt) + ptr := v_0 + mem := v_1 + if !(s%16 != 0 && s%16 <= 8 && s > 16) { + break + } + v.reset(OpZero) + v.AuxInt = int64ToAuxInt(8) + v0 := b.NewValue0(v.Pos, OpOffPtr, ptr.Type) + v0.AuxInt = int64ToAuxInt(s - 8) + v0.AddArg(ptr) + v1 := b.NewValue0(v.Pos, OpZero, types.TypeMem) + v1.AuxInt = int64ToAuxInt(s - s%16) + v1.AddArg2(ptr, mem) + v.AddArg2(v0, v1) + return true + } + // match: (Zero [s] ptr mem) + // cond: s%16 != 0 && s%16 > 8 && s > 16 + // result: (Zero [16] (OffPtr <ptr.Type> ptr [s-16]) (Zero [s-s%16] ptr mem)) + for { + s := auxIntToInt64(v.AuxInt) + ptr := v_0 + mem := v_1 + if !(s%16 != 0 && s%16 > 8 && s > 16) { + break + } + v.reset(OpZero) + v.AuxInt = int64ToAuxInt(16) + v0 := b.NewValue0(v.Pos, OpOffPtr, ptr.Type) + v0.AuxInt = int64ToAuxInt(s - 16) + v0.AddArg(ptr) + v1 := b.NewValue0(v.Pos, OpZero, types.TypeMem) + v1.AuxInt = int64ToAuxInt(s - s%16) + v1.AddArg2(ptr, mem) + v.AddArg2(v0, v1) + return true + } + // match: (Zero [s] ptr mem) + // cond: s%16 == 0 && s > 64 && s <= 16*64 && !config.noDuffDevice + // result: (DUFFZERO [4 * (64 - s/16)] ptr mem) + for { + s := auxIntToInt64(v.AuxInt) + ptr := v_0 + mem := v_1 + if !(s%16 == 0 && s > 64 && s <= 16*64 && !config.noDuffDevice) { + break + } + v.reset(OpARM64DUFFZERO) + v.AuxInt = int64ToAuxInt(4 * (64 - s/16)) + v.AddArg2(ptr, mem) + return true + } + // match: (Zero [s] ptr mem) + // cond: s%16 == 0 && (s > 16*64 || config.noDuffDevice) + // result: (LoweredZero ptr (ADDconst <ptr.Type> [s-16] ptr) mem) + for { + s := auxIntToInt64(v.AuxInt) + ptr := v_0 + mem := v_1 + if !(s%16 == 0 && (s > 16*64 || config.noDuffDevice)) { + break + } + v.reset(OpARM64LoweredZero) + v0 := b.NewValue0(v.Pos, OpARM64ADDconst, ptr.Type) + v0.AuxInt = int64ToAuxInt(s - 16) + v0.AddArg(ptr) + v.AddArg3(ptr, v0, mem) + return true + } + return false +} +func rewriteBlockARM64(b *Block) bool { + switch b.Kind { + case BlockARM64EQ: + // match: (EQ (CMPWconst [0] x:(ANDconst [c] y)) yes no) + // cond: x.Uses == 1 + // result: (EQ (TSTWconst [int32(c)] y) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + if x.Op != OpARM64ANDconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(x.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags) + v0.AuxInt = int32ToAuxInt(int32(c)) + v0.AddArg(y) + b.resetWithControl(BlockARM64EQ, v0) + return true + } + // match: (EQ (CMPconst [0] z:(AND x y)) yes no) + // cond: z.Uses == 1 + // result: (EQ (TST x y) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64AND { + break + } + _ = z.Args[1] + z_0 := z.Args[0] + z_1 := z.Args[1] + for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 { + x := z_0 + y := z_1 + if !(z.Uses == 1) { + continue + } + v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64EQ, v0) + return true + } + break + } + // match: (EQ (CMPWconst [0] z:(AND x y)) yes no) + // cond: z.Uses == 1 + // result: (EQ (TSTW x y) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64AND { + break + } + _ = z.Args[1] + z_0 := z.Args[0] + z_1 := z.Args[1] + for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 { + x := z_0 + y := z_1 + if !(z.Uses == 1) { + continue + } + v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64EQ, v0) + return true + } + break + } + // match: (EQ (CMPconst [0] x:(ANDconst [c] y)) yes no) + // cond: x.Uses == 1 + // result: (EQ (TSTconst [c] y) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + if x.Op != OpARM64ANDconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(x.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags) + v0.AuxInt = int64ToAuxInt(c) + v0.AddArg(y) + b.resetWithControl(BlockARM64EQ, v0) + return true + } + // match: (EQ (CMPconst [0] x:(ADDconst [c] y)) yes no) + // cond: x.Uses == 1 + // result: (EQ (CMNconst [c] y) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + if x.Op != OpARM64ADDconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(x.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags) + v0.AuxInt = int64ToAuxInt(c) + v0.AddArg(y) + b.resetWithControl(BlockARM64EQ, v0) + return true + } + // match: (EQ (CMPWconst [0] x:(ADDconst [c] y)) yes no) + // cond: x.Uses == 1 + // result: (EQ (CMNWconst [int32(c)] y) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + if x.Op != OpARM64ADDconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(x.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags) + v0.AuxInt = int32ToAuxInt(int32(c)) + v0.AddArg(y) + b.resetWithControl(BlockARM64EQ, v0) + return true + } + // match: (EQ (CMPconst [0] z:(ADD x y)) yes no) + // cond: z.Uses == 1 + // result: (EQ (CMN x y) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64ADD { + break + } + _ = z.Args[1] + z_0 := z.Args[0] + z_1 := z.Args[1] + for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 { + x := z_0 + y := z_1 + if !(z.Uses == 1) { + continue + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64EQ, v0) + return true + } + break + } + // match: (EQ (CMPWconst [0] z:(ADD x y)) yes no) + // cond: z.Uses == 1 + // result: (EQ (CMNW x y) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64ADD { + break + } + _ = z.Args[1] + z_0 := z.Args[0] + z_1 := z.Args[1] + for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 { + x := z_0 + y := z_1 + if !(z.Uses == 1) { + continue + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64EQ, v0) + return true + } + break + } + // match: (EQ (CMP x z:(NEG y)) yes no) + // cond: z.Uses == 1 + // result: (EQ (CMN x y) yes no) + for b.Controls[0].Op == OpARM64CMP { + v_0 := b.Controls[0] + _ = v_0.Args[1] + x := v_0.Args[0] + z := v_0.Args[1] + if z.Op != OpARM64NEG { + break + } + y := z.Args[0] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64EQ, v0) + return true + } + // match: (EQ (CMPW x z:(NEG y)) yes no) + // cond: z.Uses == 1 + // result: (EQ (CMNW x y) yes no) + for b.Controls[0].Op == OpARM64CMPW { + v_0 := b.Controls[0] + _ = v_0.Args[1] + x := v_0.Args[0] + z := v_0.Args[1] + if z.Op != OpARM64NEG { + break + } + y := z.Args[0] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64EQ, v0) + return true + } + // match: (EQ (CMPconst [0] x) yes no) + // result: (Z x yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + b.resetWithControl(BlockARM64Z, x) + return true + } + // match: (EQ (CMPWconst [0] x) yes no) + // result: (ZW x yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + b.resetWithControl(BlockARM64ZW, x) + return true + } + // match: (EQ (CMPconst [0] z:(MADD a x y)) yes no) + // cond: z.Uses==1 + // result: (EQ (CMN a (MUL <x.Type> x y)) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64MADD { + break + } + y := z.Args[2] + a := z.Args[0] + x := z.Args[1] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags) + v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type) + v1.AddArg2(x, y) + v0.AddArg2(a, v1) + b.resetWithControl(BlockARM64EQ, v0) + return true + } + // match: (EQ (CMPconst [0] z:(MSUB a x y)) yes no) + // cond: z.Uses==1 + // result: (EQ (CMP a (MUL <x.Type> x y)) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64MSUB { + break + } + y := z.Args[2] + a := z.Args[0] + x := z.Args[1] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags) + v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type) + v1.AddArg2(x, y) + v0.AddArg2(a, v1) + b.resetWithControl(BlockARM64EQ, v0) + return true + } + // match: (EQ (CMPWconst [0] z:(MADDW a x y)) yes no) + // cond: z.Uses==1 + // result: (EQ (CMNW a (MULW <x.Type> x y)) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64MADDW { + break + } + y := z.Args[2] + a := z.Args[0] + x := z.Args[1] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags) + v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type) + v1.AddArg2(x, y) + v0.AddArg2(a, v1) + b.resetWithControl(BlockARM64EQ, v0) + return true + } + // match: (EQ (CMPWconst [0] z:(MSUBW a x y)) yes no) + // cond: z.Uses==1 + // result: (EQ (CMPW a (MULW <x.Type> x y)) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64MSUBW { + break + } + y := z.Args[2] + a := z.Args[0] + x := z.Args[1] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags) + v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type) + v1.AddArg2(x, y) + v0.AddArg2(a, v1) + b.resetWithControl(BlockARM64EQ, v0) + return true + } + // match: (EQ (TSTconst [c] x) yes no) + // cond: oneBit(c) + // result: (TBZ [int64(ntz64(c))] x yes no) + for b.Controls[0].Op == OpARM64TSTconst { + v_0 := b.Controls[0] + c := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(oneBit(c)) { + break + } + b.resetWithControl(BlockARM64TBZ, x) + b.AuxInt = int64ToAuxInt(int64(ntz64(c))) + return true + } + // match: (EQ (TSTWconst [c] x) yes no) + // cond: oneBit(int64(uint32(c))) + // result: (TBZ [int64(ntz64(int64(uint32(c))))] x yes no) + for b.Controls[0].Op == OpARM64TSTWconst { + v_0 := b.Controls[0] + c := auxIntToInt32(v_0.AuxInt) + x := v_0.Args[0] + if !(oneBit(int64(uint32(c)))) { + break + } + b.resetWithControl(BlockARM64TBZ, x) + b.AuxInt = int64ToAuxInt(int64(ntz64(int64(uint32(c))))) + return true + } + // match: (EQ (FlagConstant [fc]) yes no) + // cond: fc.eq() + // result: (First yes no) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(fc.eq()) { + break + } + b.Reset(BlockFirst) + return true + } + // match: (EQ (FlagConstant [fc]) yes no) + // cond: !fc.eq() + // result: (First no yes) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(!fc.eq()) { + break + } + b.Reset(BlockFirst) + b.swapSuccessors() + return true + } + // match: (EQ (InvertFlags cmp) yes no) + // result: (EQ cmp yes no) + for b.Controls[0].Op == OpARM64InvertFlags { + v_0 := b.Controls[0] + cmp := v_0.Args[0] + b.resetWithControl(BlockARM64EQ, cmp) + return true + } + case BlockARM64FGE: + // match: (FGE (InvertFlags cmp) yes no) + // result: (FLE cmp yes no) + for b.Controls[0].Op == OpARM64InvertFlags { + v_0 := b.Controls[0] + cmp := v_0.Args[0] + b.resetWithControl(BlockARM64FLE, cmp) + return true + } + case BlockARM64FGT: + // match: (FGT (InvertFlags cmp) yes no) + // result: (FLT cmp yes no) + for b.Controls[0].Op == OpARM64InvertFlags { + v_0 := b.Controls[0] + cmp := v_0.Args[0] + b.resetWithControl(BlockARM64FLT, cmp) + return true + } + case BlockARM64FLE: + // match: (FLE (InvertFlags cmp) yes no) + // result: (FGE cmp yes no) + for b.Controls[0].Op == OpARM64InvertFlags { + v_0 := b.Controls[0] + cmp := v_0.Args[0] + b.resetWithControl(BlockARM64FGE, cmp) + return true + } + case BlockARM64FLT: + // match: (FLT (InvertFlags cmp) yes no) + // result: (FGT cmp yes no) + for b.Controls[0].Op == OpARM64InvertFlags { + v_0 := b.Controls[0] + cmp := v_0.Args[0] + b.resetWithControl(BlockARM64FGT, cmp) + return true + } + case BlockARM64GE: + // match: (GE (CMPWconst [0] x:(ANDconst [c] y)) yes no) + // cond: x.Uses == 1 + // result: (GE (TSTWconst [int32(c)] y) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + if x.Op != OpARM64ANDconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(x.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags) + v0.AuxInt = int32ToAuxInt(int32(c)) + v0.AddArg(y) + b.resetWithControl(BlockARM64GE, v0) + return true + } + // match: (GE (CMPconst [0] z:(AND x y)) yes no) + // cond: z.Uses == 1 + // result: (GE (TST x y) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64AND { + break + } + _ = z.Args[1] + z_0 := z.Args[0] + z_1 := z.Args[1] + for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 { + x := z_0 + y := z_1 + if !(z.Uses == 1) { + continue + } + v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64GE, v0) + return true + } + break + } + // match: (GE (CMPWconst [0] z:(AND x y)) yes no) + // cond: z.Uses == 1 + // result: (GE (TSTW x y) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64AND { + break + } + _ = z.Args[1] + z_0 := z.Args[0] + z_1 := z.Args[1] + for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 { + x := z_0 + y := z_1 + if !(z.Uses == 1) { + continue + } + v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64GE, v0) + return true + } + break + } + // match: (GE (CMPconst [0] x:(ANDconst [c] y)) yes no) + // cond: x.Uses == 1 + // result: (GE (TSTconst [c] y) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + if x.Op != OpARM64ANDconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(x.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags) + v0.AuxInt = int64ToAuxInt(c) + v0.AddArg(y) + b.resetWithControl(BlockARM64GE, v0) + return true + } + // match: (GE (CMPconst [0] x:(ADDconst [c] y)) yes no) + // cond: x.Uses == 1 + // result: (GEnoov (CMNconst [c] y) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + if x.Op != OpARM64ADDconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(x.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags) + v0.AuxInt = int64ToAuxInt(c) + v0.AddArg(y) + b.resetWithControl(BlockARM64GEnoov, v0) + return true + } + // match: (GE (CMPWconst [0] x:(ADDconst [c] y)) yes no) + // cond: x.Uses == 1 + // result: (GEnoov (CMNWconst [int32(c)] y) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + if x.Op != OpARM64ADDconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(x.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags) + v0.AuxInt = int32ToAuxInt(int32(c)) + v0.AddArg(y) + b.resetWithControl(BlockARM64GEnoov, v0) + return true + } + // match: (GE (CMPconst [0] z:(ADD x y)) yes no) + // cond: z.Uses == 1 + // result: (GEnoov (CMN x y) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64ADD { + break + } + _ = z.Args[1] + z_0 := z.Args[0] + z_1 := z.Args[1] + for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 { + x := z_0 + y := z_1 + if !(z.Uses == 1) { + continue + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64GEnoov, v0) + return true + } + break + } + // match: (GE (CMPWconst [0] z:(ADD x y)) yes no) + // cond: z.Uses == 1 + // result: (GEnoov (CMNW x y) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64ADD { + break + } + _ = z.Args[1] + z_0 := z.Args[0] + z_1 := z.Args[1] + for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 { + x := z_0 + y := z_1 + if !(z.Uses == 1) { + continue + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64GEnoov, v0) + return true + } + break + } + // match: (GE (CMPconst [0] z:(MADD a x y)) yes no) + // cond: z.Uses==1 + // result: (GEnoov (CMN a (MUL <x.Type> x y)) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64MADD { + break + } + y := z.Args[2] + a := z.Args[0] + x := z.Args[1] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags) + v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type) + v1.AddArg2(x, y) + v0.AddArg2(a, v1) + b.resetWithControl(BlockARM64GEnoov, v0) + return true + } + // match: (GE (CMPconst [0] z:(MSUB a x y)) yes no) + // cond: z.Uses==1 + // result: (GEnoov (CMP a (MUL <x.Type> x y)) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64MSUB { + break + } + y := z.Args[2] + a := z.Args[0] + x := z.Args[1] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags) + v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type) + v1.AddArg2(x, y) + v0.AddArg2(a, v1) + b.resetWithControl(BlockARM64GEnoov, v0) + return true + } + // match: (GE (CMPWconst [0] z:(MADDW a x y)) yes no) + // cond: z.Uses==1 + // result: (GEnoov (CMNW a (MULW <x.Type> x y)) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64MADDW { + break + } + y := z.Args[2] + a := z.Args[0] + x := z.Args[1] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags) + v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type) + v1.AddArg2(x, y) + v0.AddArg2(a, v1) + b.resetWithControl(BlockARM64GEnoov, v0) + return true + } + // match: (GE (CMPWconst [0] z:(MSUBW a x y)) yes no) + // cond: z.Uses==1 + // result: (GEnoov (CMPW a (MULW <x.Type> x y)) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64MSUBW { + break + } + y := z.Args[2] + a := z.Args[0] + x := z.Args[1] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags) + v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type) + v1.AddArg2(x, y) + v0.AddArg2(a, v1) + b.resetWithControl(BlockARM64GEnoov, v0) + return true + } + // match: (GE (CMPWconst [0] x) yes no) + // result: (TBZ [31] x yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + b.resetWithControl(BlockARM64TBZ, x) + b.AuxInt = int64ToAuxInt(31) + return true + } + // match: (GE (CMPconst [0] x) yes no) + // result: (TBZ [63] x yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + b.resetWithControl(BlockARM64TBZ, x) + b.AuxInt = int64ToAuxInt(63) + return true + } + // match: (GE (FlagConstant [fc]) yes no) + // cond: fc.ge() + // result: (First yes no) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(fc.ge()) { + break + } + b.Reset(BlockFirst) + return true + } + // match: (GE (FlagConstant [fc]) yes no) + // cond: !fc.ge() + // result: (First no yes) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(!fc.ge()) { + break + } + b.Reset(BlockFirst) + b.swapSuccessors() + return true + } + // match: (GE (InvertFlags cmp) yes no) + // result: (LE cmp yes no) + for b.Controls[0].Op == OpARM64InvertFlags { + v_0 := b.Controls[0] + cmp := v_0.Args[0] + b.resetWithControl(BlockARM64LE, cmp) + return true + } + case BlockARM64GEnoov: + // match: (GEnoov (FlagConstant [fc]) yes no) + // cond: fc.geNoov() + // result: (First yes no) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(fc.geNoov()) { + break + } + b.Reset(BlockFirst) + return true + } + // match: (GEnoov (FlagConstant [fc]) yes no) + // cond: !fc.geNoov() + // result: (First no yes) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(!fc.geNoov()) { + break + } + b.Reset(BlockFirst) + b.swapSuccessors() + return true + } + // match: (GEnoov (InvertFlags cmp) yes no) + // result: (LEnoov cmp yes no) + for b.Controls[0].Op == OpARM64InvertFlags { + v_0 := b.Controls[0] + cmp := v_0.Args[0] + b.resetWithControl(BlockARM64LEnoov, cmp) + return true + } + case BlockARM64GT: + // match: (GT (CMPWconst [0] x:(ANDconst [c] y)) yes no) + // cond: x.Uses == 1 + // result: (GT (TSTWconst [int32(c)] y) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + if x.Op != OpARM64ANDconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(x.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags) + v0.AuxInt = int32ToAuxInt(int32(c)) + v0.AddArg(y) + b.resetWithControl(BlockARM64GT, v0) + return true + } + // match: (GT (CMPconst [0] z:(AND x y)) yes no) + // cond: z.Uses == 1 + // result: (GT (TST x y) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64AND { + break + } + _ = z.Args[1] + z_0 := z.Args[0] + z_1 := z.Args[1] + for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 { + x := z_0 + y := z_1 + if !(z.Uses == 1) { + continue + } + v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64GT, v0) + return true + } + break + } + // match: (GT (CMPWconst [0] z:(AND x y)) yes no) + // cond: z.Uses == 1 + // result: (GT (TSTW x y) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64AND { + break + } + _ = z.Args[1] + z_0 := z.Args[0] + z_1 := z.Args[1] + for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 { + x := z_0 + y := z_1 + if !(z.Uses == 1) { + continue + } + v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64GT, v0) + return true + } + break + } + // match: (GT (CMPconst [0] x:(ANDconst [c] y)) yes no) + // cond: x.Uses == 1 + // result: (GT (TSTconst [c] y) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + if x.Op != OpARM64ANDconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(x.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags) + v0.AuxInt = int64ToAuxInt(c) + v0.AddArg(y) + b.resetWithControl(BlockARM64GT, v0) + return true + } + // match: (GT (CMPconst [0] x:(ADDconst [c] y)) yes no) + // cond: x.Uses == 1 + // result: (GTnoov (CMNconst [c] y) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + if x.Op != OpARM64ADDconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(x.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags) + v0.AuxInt = int64ToAuxInt(c) + v0.AddArg(y) + b.resetWithControl(BlockARM64GTnoov, v0) + return true + } + // match: (GT (CMPWconst [0] x:(ADDconst [c] y)) yes no) + // cond: x.Uses == 1 + // result: (GTnoov (CMNWconst [int32(c)] y) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + if x.Op != OpARM64ADDconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(x.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags) + v0.AuxInt = int32ToAuxInt(int32(c)) + v0.AddArg(y) + b.resetWithControl(BlockARM64GTnoov, v0) + return true + } + // match: (GT (CMPconst [0] z:(ADD x y)) yes no) + // cond: z.Uses == 1 + // result: (GTnoov (CMN x y) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64ADD { + break + } + _ = z.Args[1] + z_0 := z.Args[0] + z_1 := z.Args[1] + for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 { + x := z_0 + y := z_1 + if !(z.Uses == 1) { + continue + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64GTnoov, v0) + return true + } + break + } + // match: (GT (CMPWconst [0] z:(ADD x y)) yes no) + // cond: z.Uses == 1 + // result: (GTnoov (CMNW x y) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64ADD { + break + } + _ = z.Args[1] + z_0 := z.Args[0] + z_1 := z.Args[1] + for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 { + x := z_0 + y := z_1 + if !(z.Uses == 1) { + continue + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64GTnoov, v0) + return true + } + break + } + // match: (GT (CMPconst [0] z:(MADD a x y)) yes no) + // cond: z.Uses==1 + // result: (GTnoov (CMN a (MUL <x.Type> x y)) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64MADD { + break + } + y := z.Args[2] + a := z.Args[0] + x := z.Args[1] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags) + v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type) + v1.AddArg2(x, y) + v0.AddArg2(a, v1) + b.resetWithControl(BlockARM64GTnoov, v0) + return true + } + // match: (GT (CMPconst [0] z:(MSUB a x y)) yes no) + // cond: z.Uses==1 + // result: (GTnoov (CMP a (MUL <x.Type> x y)) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64MSUB { + break + } + y := z.Args[2] + a := z.Args[0] + x := z.Args[1] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags) + v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type) + v1.AddArg2(x, y) + v0.AddArg2(a, v1) + b.resetWithControl(BlockARM64GTnoov, v0) + return true + } + // match: (GT (CMPWconst [0] z:(MADDW a x y)) yes no) + // cond: z.Uses==1 + // result: (GTnoov (CMNW a (MULW <x.Type> x y)) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64MADDW { + break + } + y := z.Args[2] + a := z.Args[0] + x := z.Args[1] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags) + v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type) + v1.AddArg2(x, y) + v0.AddArg2(a, v1) + b.resetWithControl(BlockARM64GTnoov, v0) + return true + } + // match: (GT (CMPWconst [0] z:(MSUBW a x y)) yes no) + // cond: z.Uses==1 + // result: (GTnoov (CMPW a (MULW <x.Type> x y)) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64MSUBW { + break + } + y := z.Args[2] + a := z.Args[0] + x := z.Args[1] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags) + v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type) + v1.AddArg2(x, y) + v0.AddArg2(a, v1) + b.resetWithControl(BlockARM64GTnoov, v0) + return true + } + // match: (GT (FlagConstant [fc]) yes no) + // cond: fc.gt() + // result: (First yes no) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(fc.gt()) { + break + } + b.Reset(BlockFirst) + return true + } + // match: (GT (FlagConstant [fc]) yes no) + // cond: !fc.gt() + // result: (First no yes) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(!fc.gt()) { + break + } + b.Reset(BlockFirst) + b.swapSuccessors() + return true + } + // match: (GT (InvertFlags cmp) yes no) + // result: (LT cmp yes no) + for b.Controls[0].Op == OpARM64InvertFlags { + v_0 := b.Controls[0] + cmp := v_0.Args[0] + b.resetWithControl(BlockARM64LT, cmp) + return true + } + case BlockARM64GTnoov: + // match: (GTnoov (FlagConstant [fc]) yes no) + // cond: fc.gtNoov() + // result: (First yes no) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(fc.gtNoov()) { + break + } + b.Reset(BlockFirst) + return true + } + // match: (GTnoov (FlagConstant [fc]) yes no) + // cond: !fc.gtNoov() + // result: (First no yes) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(!fc.gtNoov()) { + break + } + b.Reset(BlockFirst) + b.swapSuccessors() + return true + } + // match: (GTnoov (InvertFlags cmp) yes no) + // result: (LTnoov cmp yes no) + for b.Controls[0].Op == OpARM64InvertFlags { + v_0 := b.Controls[0] + cmp := v_0.Args[0] + b.resetWithControl(BlockARM64LTnoov, cmp) + return true + } + case BlockIf: + // match: (If (Equal cc) yes no) + // result: (EQ cc yes no) + for b.Controls[0].Op == OpARM64Equal { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64EQ, cc) + return true + } + // match: (If (NotEqual cc) yes no) + // result: (NE cc yes no) + for b.Controls[0].Op == OpARM64NotEqual { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64NE, cc) + return true + } + // match: (If (LessThan cc) yes no) + // result: (LT cc yes no) + for b.Controls[0].Op == OpARM64LessThan { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64LT, cc) + return true + } + // match: (If (LessThanU cc) yes no) + // result: (ULT cc yes no) + for b.Controls[0].Op == OpARM64LessThanU { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64ULT, cc) + return true + } + // match: (If (LessEqual cc) yes no) + // result: (LE cc yes no) + for b.Controls[0].Op == OpARM64LessEqual { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64LE, cc) + return true + } + // match: (If (LessEqualU cc) yes no) + // result: (ULE cc yes no) + for b.Controls[0].Op == OpARM64LessEqualU { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64ULE, cc) + return true + } + // match: (If (GreaterThan cc) yes no) + // result: (GT cc yes no) + for b.Controls[0].Op == OpARM64GreaterThan { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64GT, cc) + return true + } + // match: (If (GreaterThanU cc) yes no) + // result: (UGT cc yes no) + for b.Controls[0].Op == OpARM64GreaterThanU { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64UGT, cc) + return true + } + // match: (If (GreaterEqual cc) yes no) + // result: (GE cc yes no) + for b.Controls[0].Op == OpARM64GreaterEqual { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64GE, cc) + return true + } + // match: (If (GreaterEqualU cc) yes no) + // result: (UGE cc yes no) + for b.Controls[0].Op == OpARM64GreaterEqualU { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64UGE, cc) + return true + } + // match: (If (LessThanF cc) yes no) + // result: (FLT cc yes no) + for b.Controls[0].Op == OpARM64LessThanF { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64FLT, cc) + return true + } + // match: (If (LessEqualF cc) yes no) + // result: (FLE cc yes no) + for b.Controls[0].Op == OpARM64LessEqualF { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64FLE, cc) + return true + } + // match: (If (GreaterThanF cc) yes no) + // result: (FGT cc yes no) + for b.Controls[0].Op == OpARM64GreaterThanF { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64FGT, cc) + return true + } + // match: (If (GreaterEqualF cc) yes no) + // result: (FGE cc yes no) + for b.Controls[0].Op == OpARM64GreaterEqualF { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64FGE, cc) + return true + } + // match: (If cond yes no) + // result: (TBNZ [0] cond yes no) + for { + cond := b.Controls[0] + b.resetWithControl(BlockARM64TBNZ, cond) + b.AuxInt = int64ToAuxInt(0) + return true + } + case BlockARM64LE: + // match: (LE (CMPWconst [0] x:(ANDconst [c] y)) yes no) + // cond: x.Uses == 1 + // result: (LE (TSTWconst [int32(c)] y) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + if x.Op != OpARM64ANDconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(x.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags) + v0.AuxInt = int32ToAuxInt(int32(c)) + v0.AddArg(y) + b.resetWithControl(BlockARM64LE, v0) + return true + } + // match: (LE (CMPconst [0] z:(AND x y)) yes no) + // cond: z.Uses == 1 + // result: (LE (TST x y) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64AND { + break + } + _ = z.Args[1] + z_0 := z.Args[0] + z_1 := z.Args[1] + for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 { + x := z_0 + y := z_1 + if !(z.Uses == 1) { + continue + } + v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64LE, v0) + return true + } + break + } + // match: (LE (CMPWconst [0] z:(AND x y)) yes no) + // cond: z.Uses == 1 + // result: (LE (TSTW x y) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64AND { + break + } + _ = z.Args[1] + z_0 := z.Args[0] + z_1 := z.Args[1] + for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 { + x := z_0 + y := z_1 + if !(z.Uses == 1) { + continue + } + v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64LE, v0) + return true + } + break + } + // match: (LE (CMPconst [0] x:(ANDconst [c] y)) yes no) + // cond: x.Uses == 1 + // result: (LE (TSTconst [c] y) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + if x.Op != OpARM64ANDconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(x.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags) + v0.AuxInt = int64ToAuxInt(c) + v0.AddArg(y) + b.resetWithControl(BlockARM64LE, v0) + return true + } + // match: (LE (CMPconst [0] x:(ADDconst [c] y)) yes no) + // cond: x.Uses == 1 + // result: (LEnoov (CMNconst [c] y) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + if x.Op != OpARM64ADDconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(x.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags) + v0.AuxInt = int64ToAuxInt(c) + v0.AddArg(y) + b.resetWithControl(BlockARM64LEnoov, v0) + return true + } + // match: (LE (CMPWconst [0] x:(ADDconst [c] y)) yes no) + // cond: x.Uses == 1 + // result: (LEnoov (CMNWconst [int32(c)] y) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + if x.Op != OpARM64ADDconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(x.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags) + v0.AuxInt = int32ToAuxInt(int32(c)) + v0.AddArg(y) + b.resetWithControl(BlockARM64LEnoov, v0) + return true + } + // match: (LE (CMPconst [0] z:(ADD x y)) yes no) + // cond: z.Uses == 1 + // result: (LEnoov (CMN x y) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64ADD { + break + } + _ = z.Args[1] + z_0 := z.Args[0] + z_1 := z.Args[1] + for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 { + x := z_0 + y := z_1 + if !(z.Uses == 1) { + continue + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64LEnoov, v0) + return true + } + break + } + // match: (LE (CMPWconst [0] z:(ADD x y)) yes no) + // cond: z.Uses == 1 + // result: (LEnoov (CMNW x y) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64ADD { + break + } + _ = z.Args[1] + z_0 := z.Args[0] + z_1 := z.Args[1] + for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 { + x := z_0 + y := z_1 + if !(z.Uses == 1) { + continue + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64LEnoov, v0) + return true + } + break + } + // match: (LE (CMPconst [0] z:(MADD a x y)) yes no) + // cond: z.Uses==1 + // result: (LEnoov (CMN a (MUL <x.Type> x y)) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64MADD { + break + } + y := z.Args[2] + a := z.Args[0] + x := z.Args[1] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags) + v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type) + v1.AddArg2(x, y) + v0.AddArg2(a, v1) + b.resetWithControl(BlockARM64LEnoov, v0) + return true + } + // match: (LE (CMPconst [0] z:(MSUB a x y)) yes no) + // cond: z.Uses==1 + // result: (LEnoov (CMP a (MUL <x.Type> x y)) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64MSUB { + break + } + y := z.Args[2] + a := z.Args[0] + x := z.Args[1] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags) + v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type) + v1.AddArg2(x, y) + v0.AddArg2(a, v1) + b.resetWithControl(BlockARM64LEnoov, v0) + return true + } + // match: (LE (CMPWconst [0] z:(MADDW a x y)) yes no) + // cond: z.Uses==1 + // result: (LEnoov (CMNW a (MULW <x.Type> x y)) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64MADDW { + break + } + y := z.Args[2] + a := z.Args[0] + x := z.Args[1] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags) + v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type) + v1.AddArg2(x, y) + v0.AddArg2(a, v1) + b.resetWithControl(BlockARM64LEnoov, v0) + return true + } + // match: (LE (CMPWconst [0] z:(MSUBW a x y)) yes no) + // cond: z.Uses==1 + // result: (LEnoov (CMPW a (MULW <x.Type> x y)) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64MSUBW { + break + } + y := z.Args[2] + a := z.Args[0] + x := z.Args[1] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags) + v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type) + v1.AddArg2(x, y) + v0.AddArg2(a, v1) + b.resetWithControl(BlockARM64LEnoov, v0) + return true + } + // match: (LE (FlagConstant [fc]) yes no) + // cond: fc.le() + // result: (First yes no) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(fc.le()) { + break + } + b.Reset(BlockFirst) + return true + } + // match: (LE (FlagConstant [fc]) yes no) + // cond: !fc.le() + // result: (First no yes) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(!fc.le()) { + break + } + b.Reset(BlockFirst) + b.swapSuccessors() + return true + } + // match: (LE (InvertFlags cmp) yes no) + // result: (GE cmp yes no) + for b.Controls[0].Op == OpARM64InvertFlags { + v_0 := b.Controls[0] + cmp := v_0.Args[0] + b.resetWithControl(BlockARM64GE, cmp) + return true + } + case BlockARM64LEnoov: + // match: (LEnoov (FlagConstant [fc]) yes no) + // cond: fc.leNoov() + // result: (First yes no) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(fc.leNoov()) { + break + } + b.Reset(BlockFirst) + return true + } + // match: (LEnoov (FlagConstant [fc]) yes no) + // cond: !fc.leNoov() + // result: (First no yes) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(!fc.leNoov()) { + break + } + b.Reset(BlockFirst) + b.swapSuccessors() + return true + } + // match: (LEnoov (InvertFlags cmp) yes no) + // result: (GEnoov cmp yes no) + for b.Controls[0].Op == OpARM64InvertFlags { + v_0 := b.Controls[0] + cmp := v_0.Args[0] + b.resetWithControl(BlockARM64GEnoov, cmp) + return true + } + case BlockARM64LT: + // match: (LT (CMPWconst [0] x:(ANDconst [c] y)) yes no) + // cond: x.Uses == 1 + // result: (LT (TSTWconst [int32(c)] y) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + if x.Op != OpARM64ANDconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(x.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags) + v0.AuxInt = int32ToAuxInt(int32(c)) + v0.AddArg(y) + b.resetWithControl(BlockARM64LT, v0) + return true + } + // match: (LT (CMPconst [0] z:(AND x y)) yes no) + // cond: z.Uses == 1 + // result: (LT (TST x y) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64AND { + break + } + _ = z.Args[1] + z_0 := z.Args[0] + z_1 := z.Args[1] + for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 { + x := z_0 + y := z_1 + if !(z.Uses == 1) { + continue + } + v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64LT, v0) + return true + } + break + } + // match: (LT (CMPWconst [0] z:(AND x y)) yes no) + // cond: z.Uses == 1 + // result: (LT (TSTW x y) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64AND { + break + } + _ = z.Args[1] + z_0 := z.Args[0] + z_1 := z.Args[1] + for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 { + x := z_0 + y := z_1 + if !(z.Uses == 1) { + continue + } + v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64LT, v0) + return true + } + break + } + // match: (LT (CMPconst [0] x:(ANDconst [c] y)) yes no) + // cond: x.Uses == 1 + // result: (LT (TSTconst [c] y) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + if x.Op != OpARM64ANDconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(x.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags) + v0.AuxInt = int64ToAuxInt(c) + v0.AddArg(y) + b.resetWithControl(BlockARM64LT, v0) + return true + } + // match: (LT (CMPconst [0] x:(ADDconst [c] y)) yes no) + // cond: x.Uses == 1 + // result: (LTnoov (CMNconst [c] y) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + if x.Op != OpARM64ADDconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(x.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags) + v0.AuxInt = int64ToAuxInt(c) + v0.AddArg(y) + b.resetWithControl(BlockARM64LTnoov, v0) + return true + } + // match: (LT (CMPWconst [0] x:(ADDconst [c] y)) yes no) + // cond: x.Uses == 1 + // result: (LTnoov (CMNWconst [int32(c)] y) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + if x.Op != OpARM64ADDconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(x.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags) + v0.AuxInt = int32ToAuxInt(int32(c)) + v0.AddArg(y) + b.resetWithControl(BlockARM64LTnoov, v0) + return true + } + // match: (LT (CMPconst [0] z:(ADD x y)) yes no) + // cond: z.Uses == 1 + // result: (LTnoov (CMN x y) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64ADD { + break + } + _ = z.Args[1] + z_0 := z.Args[0] + z_1 := z.Args[1] + for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 { + x := z_0 + y := z_1 + if !(z.Uses == 1) { + continue + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64LTnoov, v0) + return true + } + break + } + // match: (LT (CMPWconst [0] z:(ADD x y)) yes no) + // cond: z.Uses == 1 + // result: (LTnoov (CMNW x y) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64ADD { + break + } + _ = z.Args[1] + z_0 := z.Args[0] + z_1 := z.Args[1] + for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 { + x := z_0 + y := z_1 + if !(z.Uses == 1) { + continue + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64LTnoov, v0) + return true + } + break + } + // match: (LT (CMPconst [0] z:(MADD a x y)) yes no) + // cond: z.Uses==1 + // result: (LTnoov (CMN a (MUL <x.Type> x y)) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64MADD { + break + } + y := z.Args[2] + a := z.Args[0] + x := z.Args[1] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags) + v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type) + v1.AddArg2(x, y) + v0.AddArg2(a, v1) + b.resetWithControl(BlockARM64LTnoov, v0) + return true + } + // match: (LT (CMPconst [0] z:(MSUB a x y)) yes no) + // cond: z.Uses==1 + // result: (LTnoov (CMP a (MUL <x.Type> x y)) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64MSUB { + break + } + y := z.Args[2] + a := z.Args[0] + x := z.Args[1] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags) + v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type) + v1.AddArg2(x, y) + v0.AddArg2(a, v1) + b.resetWithControl(BlockARM64LTnoov, v0) + return true + } + // match: (LT (CMPWconst [0] z:(MADDW a x y)) yes no) + // cond: z.Uses==1 + // result: (LTnoov (CMNW a (MULW <x.Type> x y)) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64MADDW { + break + } + y := z.Args[2] + a := z.Args[0] + x := z.Args[1] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags) + v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type) + v1.AddArg2(x, y) + v0.AddArg2(a, v1) + b.resetWithControl(BlockARM64LTnoov, v0) + return true + } + // match: (LT (CMPWconst [0] z:(MSUBW a x y)) yes no) + // cond: z.Uses==1 + // result: (LTnoov (CMPW a (MULW <x.Type> x y)) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64MSUBW { + break + } + y := z.Args[2] + a := z.Args[0] + x := z.Args[1] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags) + v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type) + v1.AddArg2(x, y) + v0.AddArg2(a, v1) + b.resetWithControl(BlockARM64LTnoov, v0) + return true + } + // match: (LT (CMPWconst [0] x) yes no) + // result: (TBNZ [31] x yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + b.resetWithControl(BlockARM64TBNZ, x) + b.AuxInt = int64ToAuxInt(31) + return true + } + // match: (LT (CMPconst [0] x) yes no) + // result: (TBNZ [63] x yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + b.resetWithControl(BlockARM64TBNZ, x) + b.AuxInt = int64ToAuxInt(63) + return true + } + // match: (LT (FlagConstant [fc]) yes no) + // cond: fc.lt() + // result: (First yes no) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(fc.lt()) { + break + } + b.Reset(BlockFirst) + return true + } + // match: (LT (FlagConstant [fc]) yes no) + // cond: !fc.lt() + // result: (First no yes) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(!fc.lt()) { + break + } + b.Reset(BlockFirst) + b.swapSuccessors() + return true + } + // match: (LT (InvertFlags cmp) yes no) + // result: (GT cmp yes no) + for b.Controls[0].Op == OpARM64InvertFlags { + v_0 := b.Controls[0] + cmp := v_0.Args[0] + b.resetWithControl(BlockARM64GT, cmp) + return true + } + case BlockARM64LTnoov: + // match: (LTnoov (FlagConstant [fc]) yes no) + // cond: fc.ltNoov() + // result: (First yes no) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(fc.ltNoov()) { + break + } + b.Reset(BlockFirst) + return true + } + // match: (LTnoov (FlagConstant [fc]) yes no) + // cond: !fc.ltNoov() + // result: (First no yes) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(!fc.ltNoov()) { + break + } + b.Reset(BlockFirst) + b.swapSuccessors() + return true + } + // match: (LTnoov (InvertFlags cmp) yes no) + // result: (GTnoov cmp yes no) + for b.Controls[0].Op == OpARM64InvertFlags { + v_0 := b.Controls[0] + cmp := v_0.Args[0] + b.resetWithControl(BlockARM64GTnoov, cmp) + return true + } + case BlockARM64NE: + // match: (NE (CMPWconst [0] x:(ANDconst [c] y)) yes no) + // cond: x.Uses == 1 + // result: (NE (TSTWconst [int32(c)] y) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + if x.Op != OpARM64ANDconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(x.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64TSTWconst, types.TypeFlags) + v0.AuxInt = int32ToAuxInt(int32(c)) + v0.AddArg(y) + b.resetWithControl(BlockARM64NE, v0) + return true + } + // match: (NE (CMPconst [0] z:(AND x y)) yes no) + // cond: z.Uses == 1 + // result: (NE (TST x y) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64AND { + break + } + _ = z.Args[1] + z_0 := z.Args[0] + z_1 := z.Args[1] + for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 { + x := z_0 + y := z_1 + if !(z.Uses == 1) { + continue + } + v0 := b.NewValue0(v_0.Pos, OpARM64TST, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64NE, v0) + return true + } + break + } + // match: (NE (CMPWconst [0] z:(AND x y)) yes no) + // cond: z.Uses == 1 + // result: (NE (TSTW x y) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64AND { + break + } + _ = z.Args[1] + z_0 := z.Args[0] + z_1 := z.Args[1] + for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 { + x := z_0 + y := z_1 + if !(z.Uses == 1) { + continue + } + v0 := b.NewValue0(v_0.Pos, OpARM64TSTW, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64NE, v0) + return true + } + break + } + // match: (NE (CMPconst [0] x:(ANDconst [c] y)) yes no) + // cond: x.Uses == 1 + // result: (NE (TSTconst [c] y) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + if x.Op != OpARM64ANDconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(x.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64TSTconst, types.TypeFlags) + v0.AuxInt = int64ToAuxInt(c) + v0.AddArg(y) + b.resetWithControl(BlockARM64NE, v0) + return true + } + // match: (NE (CMPconst [0] x:(ADDconst [c] y)) yes no) + // cond: x.Uses == 1 + // result: (NE (CMNconst [c] y) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + if x.Op != OpARM64ADDconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(x.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMNconst, types.TypeFlags) + v0.AuxInt = int64ToAuxInt(c) + v0.AddArg(y) + b.resetWithControl(BlockARM64NE, v0) + return true + } + // match: (NE (CMPWconst [0] x:(ADDconst [c] y)) yes no) + // cond: x.Uses == 1 + // result: (NE (CMNWconst [int32(c)] y) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + if x.Op != OpARM64ADDconst { + break + } + c := auxIntToInt64(x.AuxInt) + y := x.Args[0] + if !(x.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMNWconst, types.TypeFlags) + v0.AuxInt = int32ToAuxInt(int32(c)) + v0.AddArg(y) + b.resetWithControl(BlockARM64NE, v0) + return true + } + // match: (NE (CMPconst [0] z:(ADD x y)) yes no) + // cond: z.Uses == 1 + // result: (NE (CMN x y) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64ADD { + break + } + _ = z.Args[1] + z_0 := z.Args[0] + z_1 := z.Args[1] + for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 { + x := z_0 + y := z_1 + if !(z.Uses == 1) { + continue + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64NE, v0) + return true + } + break + } + // match: (NE (CMPWconst [0] z:(ADD x y)) yes no) + // cond: z.Uses == 1 + // result: (NE (CMNW x y) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64ADD { + break + } + _ = z.Args[1] + z_0 := z.Args[0] + z_1 := z.Args[1] + for _i0 := 0; _i0 <= 1; _i0, z_0, z_1 = _i0+1, z_1, z_0 { + x := z_0 + y := z_1 + if !(z.Uses == 1) { + continue + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64NE, v0) + return true + } + break + } + // match: (NE (CMP x z:(NEG y)) yes no) + // cond: z.Uses == 1 + // result: (NE (CMN x y) yes no) + for b.Controls[0].Op == OpARM64CMP { + v_0 := b.Controls[0] + _ = v_0.Args[1] + x := v_0.Args[0] + z := v_0.Args[1] + if z.Op != OpARM64NEG { + break + } + y := z.Args[0] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64NE, v0) + return true + } + // match: (NE (CMPW x z:(NEG y)) yes no) + // cond: z.Uses == 1 + // result: (NE (CMNW x y) yes no) + for b.Controls[0].Op == OpARM64CMPW { + v_0 := b.Controls[0] + _ = v_0.Args[1] + x := v_0.Args[0] + z := v_0.Args[1] + if z.Op != OpARM64NEG { + break + } + y := z.Args[0] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags) + v0.AddArg2(x, y) + b.resetWithControl(BlockARM64NE, v0) + return true + } + // match: (NE (CMPconst [0] x) yes no) + // result: (NZ x yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + b.resetWithControl(BlockARM64NZ, x) + return true + } + // match: (NE (CMPWconst [0] x) yes no) + // result: (NZW x yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + x := v_0.Args[0] + b.resetWithControl(BlockARM64NZW, x) + return true + } + // match: (NE (CMPconst [0] z:(MADD a x y)) yes no) + // cond: z.Uses==1 + // result: (NE (CMN a (MUL <x.Type> x y)) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64MADD { + break + } + y := z.Args[2] + a := z.Args[0] + x := z.Args[1] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMN, types.TypeFlags) + v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type) + v1.AddArg2(x, y) + v0.AddArg2(a, v1) + b.resetWithControl(BlockARM64NE, v0) + return true + } + // match: (NE (CMPconst [0] z:(MSUB a x y)) yes no) + // cond: z.Uses==1 + // result: (NE (CMP a (MUL <x.Type> x y)) yes no) + for b.Controls[0].Op == OpARM64CMPconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64MSUB { + break + } + y := z.Args[2] + a := z.Args[0] + x := z.Args[1] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMP, types.TypeFlags) + v1 := b.NewValue0(v_0.Pos, OpARM64MUL, x.Type) + v1.AddArg2(x, y) + v0.AddArg2(a, v1) + b.resetWithControl(BlockARM64NE, v0) + return true + } + // match: (NE (CMPWconst [0] z:(MADDW a x y)) yes no) + // cond: z.Uses==1 + // result: (NE (CMNW a (MULW <x.Type> x y)) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64MADDW { + break + } + y := z.Args[2] + a := z.Args[0] + x := z.Args[1] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMNW, types.TypeFlags) + v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type) + v1.AddArg2(x, y) + v0.AddArg2(a, v1) + b.resetWithControl(BlockARM64NE, v0) + return true + } + // match: (NE (CMPWconst [0] z:(MSUBW a x y)) yes no) + // cond: z.Uses==1 + // result: (NE (CMPW a (MULW <x.Type> x y)) yes no) + for b.Controls[0].Op == OpARM64CMPWconst { + v_0 := b.Controls[0] + if auxIntToInt32(v_0.AuxInt) != 0 { + break + } + z := v_0.Args[0] + if z.Op != OpARM64MSUBW { + break + } + y := z.Args[2] + a := z.Args[0] + x := z.Args[1] + if !(z.Uses == 1) { + break + } + v0 := b.NewValue0(v_0.Pos, OpARM64CMPW, types.TypeFlags) + v1 := b.NewValue0(v_0.Pos, OpARM64MULW, x.Type) + v1.AddArg2(x, y) + v0.AddArg2(a, v1) + b.resetWithControl(BlockARM64NE, v0) + return true + } + // match: (NE (TSTconst [c] x) yes no) + // cond: oneBit(c) + // result: (TBNZ [int64(ntz64(c))] x yes no) + for b.Controls[0].Op == OpARM64TSTconst { + v_0 := b.Controls[0] + c := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(oneBit(c)) { + break + } + b.resetWithControl(BlockARM64TBNZ, x) + b.AuxInt = int64ToAuxInt(int64(ntz64(c))) + return true + } + // match: (NE (TSTWconst [c] x) yes no) + // cond: oneBit(int64(uint32(c))) + // result: (TBNZ [int64(ntz64(int64(uint32(c))))] x yes no) + for b.Controls[0].Op == OpARM64TSTWconst { + v_0 := b.Controls[0] + c := auxIntToInt32(v_0.AuxInt) + x := v_0.Args[0] + if !(oneBit(int64(uint32(c)))) { + break + } + b.resetWithControl(BlockARM64TBNZ, x) + b.AuxInt = int64ToAuxInt(int64(ntz64(int64(uint32(c))))) + return true + } + // match: (NE (FlagConstant [fc]) yes no) + // cond: fc.ne() + // result: (First yes no) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(fc.ne()) { + break + } + b.Reset(BlockFirst) + return true + } + // match: (NE (FlagConstant [fc]) yes no) + // cond: !fc.ne() + // result: (First no yes) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(!fc.ne()) { + break + } + b.Reset(BlockFirst) + b.swapSuccessors() + return true + } + // match: (NE (InvertFlags cmp) yes no) + // result: (NE cmp yes no) + for b.Controls[0].Op == OpARM64InvertFlags { + v_0 := b.Controls[0] + cmp := v_0.Args[0] + b.resetWithControl(BlockARM64NE, cmp) + return true + } + case BlockARM64NZ: + // match: (NZ (Equal cc) yes no) + // result: (EQ cc yes no) + for b.Controls[0].Op == OpARM64Equal { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64EQ, cc) + return true + } + // match: (NZ (NotEqual cc) yes no) + // result: (NE cc yes no) + for b.Controls[0].Op == OpARM64NotEqual { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64NE, cc) + return true + } + // match: (NZ (LessThan cc) yes no) + // result: (LT cc yes no) + for b.Controls[0].Op == OpARM64LessThan { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64LT, cc) + return true + } + // match: (NZ (LessThanU cc) yes no) + // result: (ULT cc yes no) + for b.Controls[0].Op == OpARM64LessThanU { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64ULT, cc) + return true + } + // match: (NZ (LessEqual cc) yes no) + // result: (LE cc yes no) + for b.Controls[0].Op == OpARM64LessEqual { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64LE, cc) + return true + } + // match: (NZ (LessEqualU cc) yes no) + // result: (ULE cc yes no) + for b.Controls[0].Op == OpARM64LessEqualU { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64ULE, cc) + return true + } + // match: (NZ (GreaterThan cc) yes no) + // result: (GT cc yes no) + for b.Controls[0].Op == OpARM64GreaterThan { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64GT, cc) + return true + } + // match: (NZ (GreaterThanU cc) yes no) + // result: (UGT cc yes no) + for b.Controls[0].Op == OpARM64GreaterThanU { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64UGT, cc) + return true + } + // match: (NZ (GreaterEqual cc) yes no) + // result: (GE cc yes no) + for b.Controls[0].Op == OpARM64GreaterEqual { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64GE, cc) + return true + } + // match: (NZ (GreaterEqualU cc) yes no) + // result: (UGE cc yes no) + for b.Controls[0].Op == OpARM64GreaterEqualU { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64UGE, cc) + return true + } + // match: (NZ (LessThanF cc) yes no) + // result: (FLT cc yes no) + for b.Controls[0].Op == OpARM64LessThanF { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64FLT, cc) + return true + } + // match: (NZ (LessEqualF cc) yes no) + // result: (FLE cc yes no) + for b.Controls[0].Op == OpARM64LessEqualF { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64FLE, cc) + return true + } + // match: (NZ (GreaterThanF cc) yes no) + // result: (FGT cc yes no) + for b.Controls[0].Op == OpARM64GreaterThanF { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64FGT, cc) + return true + } + // match: (NZ (GreaterEqualF cc) yes no) + // result: (FGE cc yes no) + for b.Controls[0].Op == OpARM64GreaterEqualF { + v_0 := b.Controls[0] + cc := v_0.Args[0] + b.resetWithControl(BlockARM64FGE, cc) + return true + } + // match: (NZ (ANDconst [c] x) yes no) + // cond: oneBit(c) + // result: (TBNZ [int64(ntz64(c))] x yes no) + for b.Controls[0].Op == OpARM64ANDconst { + v_0 := b.Controls[0] + c := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(oneBit(c)) { + break + } + b.resetWithControl(BlockARM64TBNZ, x) + b.AuxInt = int64ToAuxInt(int64(ntz64(c))) + return true + } + // match: (NZ (MOVDconst [0]) yes no) + // result: (First no yes) + for b.Controls[0].Op == OpARM64MOVDconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + b.Reset(BlockFirst) + b.swapSuccessors() + return true + } + // match: (NZ (MOVDconst [c]) yes no) + // cond: c != 0 + // result: (First yes no) + for b.Controls[0].Op == OpARM64MOVDconst { + v_0 := b.Controls[0] + c := auxIntToInt64(v_0.AuxInt) + if !(c != 0) { + break + } + b.Reset(BlockFirst) + return true + } + case BlockARM64NZW: + // match: (NZW (ANDconst [c] x) yes no) + // cond: oneBit(int64(uint32(c))) + // result: (TBNZ [int64(ntz64(int64(uint32(c))))] x yes no) + for b.Controls[0].Op == OpARM64ANDconst { + v_0 := b.Controls[0] + c := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(oneBit(int64(uint32(c)))) { + break + } + b.resetWithControl(BlockARM64TBNZ, x) + b.AuxInt = int64ToAuxInt(int64(ntz64(int64(uint32(c))))) + return true + } + // match: (NZW (MOVDconst [c]) yes no) + // cond: int32(c) == 0 + // result: (First no yes) + for b.Controls[0].Op == OpARM64MOVDconst { + v_0 := b.Controls[0] + c := auxIntToInt64(v_0.AuxInt) + if !(int32(c) == 0) { + break + } + b.Reset(BlockFirst) + b.swapSuccessors() + return true + } + // match: (NZW (MOVDconst [c]) yes no) + // cond: int32(c) != 0 + // result: (First yes no) + for b.Controls[0].Op == OpARM64MOVDconst { + v_0 := b.Controls[0] + c := auxIntToInt64(v_0.AuxInt) + if !(int32(c) != 0) { + break + } + b.Reset(BlockFirst) + return true + } + case BlockARM64TBNZ: + // match: (TBNZ [0] (Equal cc) yes no) + // result: (EQ cc yes no) + for b.Controls[0].Op == OpARM64Equal { + v_0 := b.Controls[0] + cc := v_0.Args[0] + if auxIntToInt64(b.AuxInt) != 0 { + break + } + b.resetWithControl(BlockARM64EQ, cc) + return true + } + // match: (TBNZ [0] (NotEqual cc) yes no) + // result: (NE cc yes no) + for b.Controls[0].Op == OpARM64NotEqual { + v_0 := b.Controls[0] + cc := v_0.Args[0] + if auxIntToInt64(b.AuxInt) != 0 { + break + } + b.resetWithControl(BlockARM64NE, cc) + return true + } + // match: (TBNZ [0] (LessThan cc) yes no) + // result: (LT cc yes no) + for b.Controls[0].Op == OpARM64LessThan { + v_0 := b.Controls[0] + cc := v_0.Args[0] + if auxIntToInt64(b.AuxInt) != 0 { + break + } + b.resetWithControl(BlockARM64LT, cc) + return true + } + // match: (TBNZ [0] (LessThanU cc) yes no) + // result: (ULT cc yes no) + for b.Controls[0].Op == OpARM64LessThanU { + v_0 := b.Controls[0] + cc := v_0.Args[0] + if auxIntToInt64(b.AuxInt) != 0 { + break + } + b.resetWithControl(BlockARM64ULT, cc) + return true + } + // match: (TBNZ [0] (LessEqual cc) yes no) + // result: (LE cc yes no) + for b.Controls[0].Op == OpARM64LessEqual { + v_0 := b.Controls[0] + cc := v_0.Args[0] + if auxIntToInt64(b.AuxInt) != 0 { + break + } + b.resetWithControl(BlockARM64LE, cc) + return true + } + // match: (TBNZ [0] (LessEqualU cc) yes no) + // result: (ULE cc yes no) + for b.Controls[0].Op == OpARM64LessEqualU { + v_0 := b.Controls[0] + cc := v_0.Args[0] + if auxIntToInt64(b.AuxInt) != 0 { + break + } + b.resetWithControl(BlockARM64ULE, cc) + return true + } + // match: (TBNZ [0] (GreaterThan cc) yes no) + // result: (GT cc yes no) + for b.Controls[0].Op == OpARM64GreaterThan { + v_0 := b.Controls[0] + cc := v_0.Args[0] + if auxIntToInt64(b.AuxInt) != 0 { + break + } + b.resetWithControl(BlockARM64GT, cc) + return true + } + // match: (TBNZ [0] (GreaterThanU cc) yes no) + // result: (UGT cc yes no) + for b.Controls[0].Op == OpARM64GreaterThanU { + v_0 := b.Controls[0] + cc := v_0.Args[0] + if auxIntToInt64(b.AuxInt) != 0 { + break + } + b.resetWithControl(BlockARM64UGT, cc) + return true + } + // match: (TBNZ [0] (GreaterEqual cc) yes no) + // result: (GE cc yes no) + for b.Controls[0].Op == OpARM64GreaterEqual { + v_0 := b.Controls[0] + cc := v_0.Args[0] + if auxIntToInt64(b.AuxInt) != 0 { + break + } + b.resetWithControl(BlockARM64GE, cc) + return true + } + // match: (TBNZ [0] (GreaterEqualU cc) yes no) + // result: (UGE cc yes no) + for b.Controls[0].Op == OpARM64GreaterEqualU { + v_0 := b.Controls[0] + cc := v_0.Args[0] + if auxIntToInt64(b.AuxInt) != 0 { + break + } + b.resetWithControl(BlockARM64UGE, cc) + return true + } + // match: (TBNZ [0] (LessThanF cc) yes no) + // result: (FLT cc yes no) + for b.Controls[0].Op == OpARM64LessThanF { + v_0 := b.Controls[0] + cc := v_0.Args[0] + if auxIntToInt64(b.AuxInt) != 0 { + break + } + b.resetWithControl(BlockARM64FLT, cc) + return true + } + // match: (TBNZ [0] (LessEqualF cc) yes no) + // result: (FLE cc yes no) + for b.Controls[0].Op == OpARM64LessEqualF { + v_0 := b.Controls[0] + cc := v_0.Args[0] + if auxIntToInt64(b.AuxInt) != 0 { + break + } + b.resetWithControl(BlockARM64FLE, cc) + return true + } + // match: (TBNZ [0] (GreaterThanF cc) yes no) + // result: (FGT cc yes no) + for b.Controls[0].Op == OpARM64GreaterThanF { + v_0 := b.Controls[0] + cc := v_0.Args[0] + if auxIntToInt64(b.AuxInt) != 0 { + break + } + b.resetWithControl(BlockARM64FGT, cc) + return true + } + // match: (TBNZ [0] (GreaterEqualF cc) yes no) + // result: (FGE cc yes no) + for b.Controls[0].Op == OpARM64GreaterEqualF { + v_0 := b.Controls[0] + cc := v_0.Args[0] + if auxIntToInt64(b.AuxInt) != 0 { + break + } + b.resetWithControl(BlockARM64FGE, cc) + return true + } + case BlockARM64UGE: + // match: (UGE (FlagConstant [fc]) yes no) + // cond: fc.uge() + // result: (First yes no) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(fc.uge()) { + break + } + b.Reset(BlockFirst) + return true + } + // match: (UGE (FlagConstant [fc]) yes no) + // cond: !fc.uge() + // result: (First no yes) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(!fc.uge()) { + break + } + b.Reset(BlockFirst) + b.swapSuccessors() + return true + } + // match: (UGE (InvertFlags cmp) yes no) + // result: (ULE cmp yes no) + for b.Controls[0].Op == OpARM64InvertFlags { + v_0 := b.Controls[0] + cmp := v_0.Args[0] + b.resetWithControl(BlockARM64ULE, cmp) + return true + } + case BlockARM64UGT: + // match: (UGT (FlagConstant [fc]) yes no) + // cond: fc.ugt() + // result: (First yes no) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(fc.ugt()) { + break + } + b.Reset(BlockFirst) + return true + } + // match: (UGT (FlagConstant [fc]) yes no) + // cond: !fc.ugt() + // result: (First no yes) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(!fc.ugt()) { + break + } + b.Reset(BlockFirst) + b.swapSuccessors() + return true + } + // match: (UGT (InvertFlags cmp) yes no) + // result: (ULT cmp yes no) + for b.Controls[0].Op == OpARM64InvertFlags { + v_0 := b.Controls[0] + cmp := v_0.Args[0] + b.resetWithControl(BlockARM64ULT, cmp) + return true + } + case BlockARM64ULE: + // match: (ULE (FlagConstant [fc]) yes no) + // cond: fc.ule() + // result: (First yes no) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(fc.ule()) { + break + } + b.Reset(BlockFirst) + return true + } + // match: (ULE (FlagConstant [fc]) yes no) + // cond: !fc.ule() + // result: (First no yes) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(!fc.ule()) { + break + } + b.Reset(BlockFirst) + b.swapSuccessors() + return true + } + // match: (ULE (InvertFlags cmp) yes no) + // result: (UGE cmp yes no) + for b.Controls[0].Op == OpARM64InvertFlags { + v_0 := b.Controls[0] + cmp := v_0.Args[0] + b.resetWithControl(BlockARM64UGE, cmp) + return true + } + case BlockARM64ULT: + // match: (ULT (FlagConstant [fc]) yes no) + // cond: fc.ult() + // result: (First yes no) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(fc.ult()) { + break + } + b.Reset(BlockFirst) + return true + } + // match: (ULT (FlagConstant [fc]) yes no) + // cond: !fc.ult() + // result: (First no yes) + for b.Controls[0].Op == OpARM64FlagConstant { + v_0 := b.Controls[0] + fc := auxIntToFlagConstant(v_0.AuxInt) + if !(!fc.ult()) { + break + } + b.Reset(BlockFirst) + b.swapSuccessors() + return true + } + // match: (ULT (InvertFlags cmp) yes no) + // result: (UGT cmp yes no) + for b.Controls[0].Op == OpARM64InvertFlags { + v_0 := b.Controls[0] + cmp := v_0.Args[0] + b.resetWithControl(BlockARM64UGT, cmp) + return true + } + case BlockARM64Z: + // match: (Z (ANDconst [c] x) yes no) + // cond: oneBit(c) + // result: (TBZ [int64(ntz64(c))] x yes no) + for b.Controls[0].Op == OpARM64ANDconst { + v_0 := b.Controls[0] + c := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(oneBit(c)) { + break + } + b.resetWithControl(BlockARM64TBZ, x) + b.AuxInt = int64ToAuxInt(int64(ntz64(c))) + return true + } + // match: (Z (MOVDconst [0]) yes no) + // result: (First yes no) + for b.Controls[0].Op == OpARM64MOVDconst { + v_0 := b.Controls[0] + if auxIntToInt64(v_0.AuxInt) != 0 { + break + } + b.Reset(BlockFirst) + return true + } + // match: (Z (MOVDconst [c]) yes no) + // cond: c != 0 + // result: (First no yes) + for b.Controls[0].Op == OpARM64MOVDconst { + v_0 := b.Controls[0] + c := auxIntToInt64(v_0.AuxInt) + if !(c != 0) { + break + } + b.Reset(BlockFirst) + b.swapSuccessors() + return true + } + case BlockARM64ZW: + // match: (ZW (ANDconst [c] x) yes no) + // cond: oneBit(int64(uint32(c))) + // result: (TBZ [int64(ntz64(int64(uint32(c))))] x yes no) + for b.Controls[0].Op == OpARM64ANDconst { + v_0 := b.Controls[0] + c := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(oneBit(int64(uint32(c)))) { + break + } + b.resetWithControl(BlockARM64TBZ, x) + b.AuxInt = int64ToAuxInt(int64(ntz64(int64(uint32(c))))) + return true + } + // match: (ZW (MOVDconst [c]) yes no) + // cond: int32(c) == 0 + // result: (First yes no) + for b.Controls[0].Op == OpARM64MOVDconst { + v_0 := b.Controls[0] + c := auxIntToInt64(v_0.AuxInt) + if !(int32(c) == 0) { + break + } + b.Reset(BlockFirst) + return true + } + // match: (ZW (MOVDconst [c]) yes no) + // cond: int32(c) != 0 + // result: (First no yes) + for b.Controls[0].Op == OpARM64MOVDconst { + v_0 := b.Controls[0] + c := auxIntToInt64(v_0.AuxInt) + if !(int32(c) != 0) { + break + } + b.Reset(BlockFirst) + b.swapSuccessors() + return true + } + } + return false +} |