diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/rewriteARM.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/rewriteARM.go | 468 |
1 files changed, 330 insertions, 138 deletions
diff --git a/src/cmd/compile/internal/ssa/rewriteARM.go b/src/cmd/compile/internal/ssa/rewriteARM.go index d9d439fa63..1f25005eb7 100644 --- a/src/cmd/compile/internal/ssa/rewriteARM.go +++ b/src/cmd/compile/internal/ssa/rewriteARM.go @@ -1114,6 +1114,7 @@ func rewriteValueARM_OpARMADCshiftLLreg(v *Value) bool { return true } // match: (ADCshiftLLreg x y (MOVWconst [c]) flags) + // cond: 0 <= c && c < 32 // result: (ADCshiftLL x y [c] flags) for { x := v_0 @@ -1123,6 +1124,9 @@ func rewriteValueARM_OpARMADCshiftLLreg(v *Value) bool { } c := auxIntToInt32(v_2.AuxInt) flags := v_3 + if !(0 <= c && c < 32) { + break + } v.reset(OpARMADCshiftLL) v.AuxInt = int32ToAuxInt(c) v.AddArg3(x, y, flags) @@ -1194,6 +1198,7 @@ func rewriteValueARM_OpARMADCshiftRAreg(v *Value) bool { return true } // match: (ADCshiftRAreg x y (MOVWconst [c]) flags) + // cond: 0 <= c && c < 32 // result: (ADCshiftRA x y [c] flags) for { x := v_0 @@ -1203,6 +1208,9 @@ func rewriteValueARM_OpARMADCshiftRAreg(v *Value) bool { } c := auxIntToInt32(v_2.AuxInt) flags := v_3 + if !(0 <= c && c < 32) { + break + } v.reset(OpARMADCshiftRA) v.AuxInt = int32ToAuxInt(c) v.AddArg3(x, y, flags) @@ -1274,6 +1282,7 @@ func rewriteValueARM_OpARMADCshiftRLreg(v *Value) bool { return true } // match: (ADCshiftRLreg x y (MOVWconst [c]) flags) + // cond: 0 <= c && c < 32 // result: (ADCshiftRL x y [c] flags) for { x := v_0 @@ -1283,6 +1292,9 @@ func rewriteValueARM_OpARMADCshiftRLreg(v *Value) bool { } c := auxIntToInt32(v_2.AuxInt) flags := v_3 + if !(0 <= c && c < 32) { + break + } v.reset(OpARMADCshiftRL) v.AuxInt = int32ToAuxInt(c) v.AddArg3(x, y, flags) @@ -1735,6 +1747,7 @@ func rewriteValueARM_OpARMADDSshiftLLreg(v *Value) bool { return true } // match: (ADDSshiftLLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (ADDSshiftLL x y [c]) for { x := v_0 @@ -1743,6 +1756,9 @@ func rewriteValueARM_OpARMADDSshiftLLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMADDSshiftLL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -1809,6 +1825,7 @@ func rewriteValueARM_OpARMADDSshiftRAreg(v *Value) bool { return true } // match: (ADDSshiftRAreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (ADDSshiftRA x y [c]) for { x := v_0 @@ -1817,6 +1834,9 @@ func rewriteValueARM_OpARMADDSshiftRAreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMADDSshiftRA) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -1883,6 +1903,7 @@ func rewriteValueARM_OpARMADDSshiftRLreg(v *Value) bool { return true } // match: (ADDSshiftRLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (ADDSshiftRL x y [c]) for { x := v_0 @@ -1891,6 +1912,9 @@ func rewriteValueARM_OpARMADDSshiftRLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMADDSshiftRL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -2119,6 +2143,7 @@ func rewriteValueARM_OpARMADDshiftLLreg(v *Value) bool { return true } // match: (ADDshiftLLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (ADDshiftLL x y [c]) for { x := v_0 @@ -2127,6 +2152,9 @@ func rewriteValueARM_OpARMADDshiftLLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMADDshiftLL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -2193,6 +2221,7 @@ func rewriteValueARM_OpARMADDshiftRAreg(v *Value) bool { return true } // match: (ADDshiftRAreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (ADDshiftRA x y [c]) for { x := v_0 @@ -2201,6 +2230,9 @@ func rewriteValueARM_OpARMADDshiftRAreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMADDshiftRA) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -2283,6 +2315,7 @@ func rewriteValueARM_OpARMADDshiftRLreg(v *Value) bool { return true } // match: (ADDshiftRLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (ADDshiftRL x y [c]) for { x := v_0 @@ -2291,6 +2324,9 @@ func rewriteValueARM_OpARMADDshiftRLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMADDshiftRL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -2609,18 +2645,16 @@ func rewriteValueARM_OpARMANDshiftLL(v *Value) bool { v.AddArg(x) return true } - // match: (ANDshiftLL x y:(SLLconst x [c]) [d]) - // cond: c==d + // match: (ANDshiftLL y:(SLLconst x [c]) x [c]) // result: y for { - d := auxIntToInt32(v.AuxInt) - x := v_0 - y := v_1 - if y.Op != OpARMSLLconst { + c := auxIntToInt32(v.AuxInt) + y := v_0 + if y.Op != OpARMSLLconst || auxIntToInt32(y.AuxInt) != c { break } - c := auxIntToInt32(y.AuxInt) - if x != y.Args[0] || !(c == d) { + x := y.Args[0] + if x != v_1 { break } v.copyOf(y) @@ -2650,6 +2684,7 @@ func rewriteValueARM_OpARMANDshiftLLreg(v *Value) bool { return true } // match: (ANDshiftLLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (ANDshiftLL x y [c]) for { x := v_0 @@ -2658,6 +2693,9 @@ func rewriteValueARM_OpARMANDshiftLLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMANDshiftLL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -2700,18 +2738,16 @@ func rewriteValueARM_OpARMANDshiftRA(v *Value) bool { v.AddArg(x) return true } - // match: (ANDshiftRA x y:(SRAconst x [c]) [d]) - // cond: c==d + // match: (ANDshiftRA y:(SRAconst x [c]) x [c]) // result: y for { - d := auxIntToInt32(v.AuxInt) - x := v_0 - y := v_1 - if y.Op != OpARMSRAconst { + c := auxIntToInt32(v.AuxInt) + y := v_0 + if y.Op != OpARMSRAconst || auxIntToInt32(y.AuxInt) != c { break } - c := auxIntToInt32(y.AuxInt) - if x != y.Args[0] || !(c == d) { + x := y.Args[0] + if x != v_1 { break } v.copyOf(y) @@ -2741,6 +2777,7 @@ func rewriteValueARM_OpARMANDshiftRAreg(v *Value) bool { return true } // match: (ANDshiftRAreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (ANDshiftRA x y [c]) for { x := v_0 @@ -2749,6 +2786,9 @@ func rewriteValueARM_OpARMANDshiftRAreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMANDshiftRA) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -2791,18 +2831,16 @@ func rewriteValueARM_OpARMANDshiftRL(v *Value) bool { v.AddArg(x) return true } - // match: (ANDshiftRL x y:(SRLconst x [c]) [d]) - // cond: c==d + // match: (ANDshiftRL y:(SRLconst x [c]) x [c]) // result: y for { - d := auxIntToInt32(v.AuxInt) - x := v_0 - y := v_1 - if y.Op != OpARMSRLconst { + c := auxIntToInt32(v.AuxInt) + y := v_0 + if y.Op != OpARMSRLconst || auxIntToInt32(y.AuxInt) != c { break } - c := auxIntToInt32(y.AuxInt) - if x != y.Args[0] || !(c == d) { + x := y.Args[0] + if x != v_1 { break } v.copyOf(y) @@ -2832,6 +2870,7 @@ func rewriteValueARM_OpARMANDshiftRLreg(v *Value) bool { return true } // match: (ANDshiftRLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (ANDshiftRL x y [c]) for { x := v_0 @@ -2840,6 +2879,9 @@ func rewriteValueARM_OpARMANDshiftRLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMANDshiftRL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -3086,17 +3128,15 @@ func rewriteValueARM_OpARMBICshiftLL(v *Value) bool { v.AddArg(x) return true } - // match: (BICshiftLL x (SLLconst x [c]) [d]) - // cond: c==d + // match: (BICshiftLL (SLLconst x [c]) x [c]) // result: (MOVWconst [0]) for { - d := auxIntToInt32(v.AuxInt) - x := v_0 - if v_1.Op != OpARMSLLconst { + c := auxIntToInt32(v.AuxInt) + if v_0.Op != OpARMSLLconst || auxIntToInt32(v_0.AuxInt) != c { break } - c := auxIntToInt32(v_1.AuxInt) - if x != v_1.Args[0] || !(c == d) { + x := v_0.Args[0] + if x != v_1 { break } v.reset(OpARMMOVWconst) @@ -3110,6 +3150,7 @@ func rewriteValueARM_OpARMBICshiftLLreg(v *Value) bool { v_1 := v.Args[1] v_0 := v.Args[0] // match: (BICshiftLLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (BICshiftLL x y [c]) for { x := v_0 @@ -3118,6 +3159,9 @@ func rewriteValueARM_OpARMBICshiftLLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMBICshiftLL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -3142,17 +3186,15 @@ func rewriteValueARM_OpARMBICshiftRA(v *Value) bool { v.AddArg(x) return true } - // match: (BICshiftRA x (SRAconst x [c]) [d]) - // cond: c==d + // match: (BICshiftRA (SRAconst x [c]) x [c]) // result: (MOVWconst [0]) for { - d := auxIntToInt32(v.AuxInt) - x := v_0 - if v_1.Op != OpARMSRAconst { + c := auxIntToInt32(v.AuxInt) + if v_0.Op != OpARMSRAconst || auxIntToInt32(v_0.AuxInt) != c { break } - c := auxIntToInt32(v_1.AuxInt) - if x != v_1.Args[0] || !(c == d) { + x := v_0.Args[0] + if x != v_1 { break } v.reset(OpARMMOVWconst) @@ -3166,6 +3208,7 @@ func rewriteValueARM_OpARMBICshiftRAreg(v *Value) bool { v_1 := v.Args[1] v_0 := v.Args[0] // match: (BICshiftRAreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (BICshiftRA x y [c]) for { x := v_0 @@ -3174,6 +3217,9 @@ func rewriteValueARM_OpARMBICshiftRAreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMBICshiftRA) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -3198,17 +3244,15 @@ func rewriteValueARM_OpARMBICshiftRL(v *Value) bool { v.AddArg(x) return true } - // match: (BICshiftRL x (SRLconst x [c]) [d]) - // cond: c==d + // match: (BICshiftRL (SRLconst x [c]) x [c]) // result: (MOVWconst [0]) for { - d := auxIntToInt32(v.AuxInt) - x := v_0 - if v_1.Op != OpARMSRLconst { + c := auxIntToInt32(v.AuxInt) + if v_0.Op != OpARMSRLconst || auxIntToInt32(v_0.AuxInt) != c { break } - c := auxIntToInt32(v_1.AuxInt) - if x != v_1.Args[0] || !(c == d) { + x := v_0.Args[0] + if x != v_1 { break } v.reset(OpARMMOVWconst) @@ -3222,6 +3266,7 @@ func rewriteValueARM_OpARMBICshiftRLreg(v *Value) bool { v_1 := v.Args[1] v_0 := v.Args[0] // match: (BICshiftRLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (BICshiftRL x y [c]) for { x := v_0 @@ -3230,6 +3275,9 @@ func rewriteValueARM_OpARMBICshiftRLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMBICshiftRL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -3432,6 +3480,7 @@ func rewriteValueARM_OpARMCMNshiftLLreg(v *Value) bool { return true } // match: (CMNshiftLLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (CMNshiftLL x y [c]) for { x := v_0 @@ -3440,6 +3489,9 @@ func rewriteValueARM_OpARMCMNshiftLLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMCMNshiftLL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -3506,6 +3558,7 @@ func rewriteValueARM_OpARMCMNshiftRAreg(v *Value) bool { return true } // match: (CMNshiftRAreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (CMNshiftRA x y [c]) for { x := v_0 @@ -3514,6 +3567,9 @@ func rewriteValueARM_OpARMCMNshiftRAreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMCMNshiftRA) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -3580,6 +3636,7 @@ func rewriteValueARM_OpARMCMNshiftRLreg(v *Value) bool { return true } // match: (CMNshiftRLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (CMNshiftRL x y [c]) for { x := v_0 @@ -3588,6 +3645,9 @@ func rewriteValueARM_OpARMCMNshiftRLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMCMNshiftRL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -4085,6 +4145,7 @@ func rewriteValueARM_OpARMCMPshiftLLreg(v *Value) bool { return true } // match: (CMPshiftLLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (CMPshiftLL x y [c]) for { x := v_0 @@ -4093,6 +4154,9 @@ func rewriteValueARM_OpARMCMPshiftLLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMCMPshiftLL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -4163,6 +4227,7 @@ func rewriteValueARM_OpARMCMPshiftRAreg(v *Value) bool { return true } // match: (CMPshiftRAreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (CMPshiftRA x y [c]) for { x := v_0 @@ -4171,6 +4236,9 @@ func rewriteValueARM_OpARMCMPshiftRAreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMCMPshiftRA) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -4241,6 +4309,7 @@ func rewriteValueARM_OpARMCMPshiftRLreg(v *Value) bool { return true } // match: (CMPshiftRLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (CMPshiftRL x y [c]) for { x := v_0 @@ -4249,6 +4318,9 @@ func rewriteValueARM_OpARMCMPshiftRLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMCMPshiftRL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -8081,6 +8153,7 @@ func rewriteValueARM_OpARMMVNshiftLLreg(v *Value) bool { v_1 := v.Args[1] v_0 := v.Args[0] // match: (MVNshiftLLreg x (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (MVNshiftLL x [c]) for { x := v_0 @@ -8088,6 +8161,9 @@ func rewriteValueARM_OpARMMVNshiftLLreg(v *Value) bool { break } c := auxIntToInt32(v_1.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMMVNshiftLL) v.AuxInt = int32ToAuxInt(c) v.AddArg(x) @@ -8115,6 +8191,7 @@ func rewriteValueARM_OpARMMVNshiftRAreg(v *Value) bool { v_1 := v.Args[1] v_0 := v.Args[0] // match: (MVNshiftRAreg x (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (MVNshiftRA x [c]) for { x := v_0 @@ -8122,6 +8199,9 @@ func rewriteValueARM_OpARMMVNshiftRAreg(v *Value) bool { break } c := auxIntToInt32(v_1.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMMVNshiftRA) v.AuxInt = int32ToAuxInt(c) v.AddArg(x) @@ -8149,6 +8229,7 @@ func rewriteValueARM_OpARMMVNshiftRLreg(v *Value) bool { v_1 := v.Args[1] v_0 := v.Args[0] // match: (MVNshiftRLreg x (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (MVNshiftRL x [c]) for { x := v_0 @@ -8156,6 +8237,9 @@ func rewriteValueARM_OpARMMVNshiftRLreg(v *Value) bool { break } c := auxIntToInt32(v_1.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMMVNshiftRL) v.AuxInt = int32ToAuxInt(c) v.AddArg(x) @@ -8536,18 +8620,16 @@ func rewriteValueARM_OpARMORshiftLL(v *Value) bool { v.AddArg(x) return true } - // match: (ORshiftLL x y:(SLLconst x [c]) [d]) - // cond: c==d + // match: (ORshiftLL y:(SLLconst x [c]) x [c]) // result: y for { - d := auxIntToInt32(v.AuxInt) - x := v_0 - y := v_1 - if y.Op != OpARMSLLconst { + c := auxIntToInt32(v.AuxInt) + y := v_0 + if y.Op != OpARMSLLconst || auxIntToInt32(y.AuxInt) != c { break } - c := auxIntToInt32(y.AuxInt) - if x != y.Args[0] || !(c == d) { + x := y.Args[0] + if x != v_1 { break } v.copyOf(y) @@ -8577,6 +8659,7 @@ func rewriteValueARM_OpARMORshiftLLreg(v *Value) bool { return true } // match: (ORshiftLLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (ORshiftLL x y [c]) for { x := v_0 @@ -8585,6 +8668,9 @@ func rewriteValueARM_OpARMORshiftLLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMORshiftLL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -8627,18 +8713,16 @@ func rewriteValueARM_OpARMORshiftRA(v *Value) bool { v.AddArg(x) return true } - // match: (ORshiftRA x y:(SRAconst x [c]) [d]) - // cond: c==d + // match: (ORshiftRA y:(SRAconst x [c]) x [c]) // result: y for { - d := auxIntToInt32(v.AuxInt) - x := v_0 - y := v_1 - if y.Op != OpARMSRAconst { + c := auxIntToInt32(v.AuxInt) + y := v_0 + if y.Op != OpARMSRAconst || auxIntToInt32(y.AuxInt) != c { break } - c := auxIntToInt32(y.AuxInt) - if x != y.Args[0] || !(c == d) { + x := y.Args[0] + if x != v_1 { break } v.copyOf(y) @@ -8668,6 +8752,7 @@ func rewriteValueARM_OpARMORshiftRAreg(v *Value) bool { return true } // match: (ORshiftRAreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (ORshiftRA x y [c]) for { x := v_0 @@ -8676,6 +8761,9 @@ func rewriteValueARM_OpARMORshiftRAreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMORshiftRA) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -8734,18 +8822,16 @@ func rewriteValueARM_OpARMORshiftRL(v *Value) bool { v.AddArg(x) return true } - // match: (ORshiftRL x y:(SRLconst x [c]) [d]) - // cond: c==d + // match: (ORshiftRL y:(SRLconst x [c]) x [c]) // result: y for { - d := auxIntToInt32(v.AuxInt) - x := v_0 - y := v_1 - if y.Op != OpARMSRLconst { + c := auxIntToInt32(v.AuxInt) + y := v_0 + if y.Op != OpARMSRLconst || auxIntToInt32(y.AuxInt) != c { break } - c := auxIntToInt32(y.AuxInt) - if x != y.Args[0] || !(c == d) { + x := y.Args[0] + if x != v_1 { break } v.copyOf(y) @@ -8775,6 +8861,7 @@ func rewriteValueARM_OpARMORshiftRLreg(v *Value) bool { return true } // match: (ORshiftRLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (ORshiftRL x y [c]) for { x := v_0 @@ -8783,6 +8870,9 @@ func rewriteValueARM_OpARMORshiftRLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMORshiftRL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -9070,6 +9160,7 @@ func rewriteValueARM_OpARMRSBSshiftLLreg(v *Value) bool { return true } // match: (RSBSshiftLLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (RSBSshiftLL x y [c]) for { x := v_0 @@ -9078,6 +9169,9 @@ func rewriteValueARM_OpARMRSBSshiftLLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMRSBSshiftLL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -9144,6 +9238,7 @@ func rewriteValueARM_OpARMRSBSshiftRAreg(v *Value) bool { return true } // match: (RSBSshiftRAreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (RSBSshiftRA x y [c]) for { x := v_0 @@ -9152,6 +9247,9 @@ func rewriteValueARM_OpARMRSBSshiftRAreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMRSBSshiftRA) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -9218,6 +9316,7 @@ func rewriteValueARM_OpARMRSBSshiftRLreg(v *Value) bool { return true } // match: (RSBSshiftRLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (RSBSshiftRL x y [c]) for { x := v_0 @@ -9226,6 +9325,9 @@ func rewriteValueARM_OpARMRSBSshiftRLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMRSBSshiftRL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -9326,17 +9428,15 @@ func rewriteValueARM_OpARMRSBshiftLL(v *Value) bool { v.AddArg(x) return true } - // match: (RSBshiftLL x (SLLconst x [c]) [d]) - // cond: c==d + // match: (RSBshiftLL (SLLconst x [c]) x [c]) // result: (MOVWconst [0]) for { - d := auxIntToInt32(v.AuxInt) - x := v_0 - if v_1.Op != OpARMSLLconst { + c := auxIntToInt32(v.AuxInt) + if v_0.Op != OpARMSLLconst || auxIntToInt32(v_0.AuxInt) != c { break } - c := auxIntToInt32(v_1.AuxInt) - if x != v_1.Args[0] || !(c == d) { + x := v_0.Args[0] + if x != v_1 { break } v.reset(OpARMMOVWconst) @@ -9367,6 +9467,7 @@ func rewriteValueARM_OpARMRSBshiftLLreg(v *Value) bool { return true } // match: (RSBshiftLLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (RSBshiftLL x y [c]) for { x := v_0 @@ -9375,6 +9476,9 @@ func rewriteValueARM_OpARMRSBshiftLLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMRSBshiftLL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -9417,17 +9521,15 @@ func rewriteValueARM_OpARMRSBshiftRA(v *Value) bool { v.AddArg(x) return true } - // match: (RSBshiftRA x (SRAconst x [c]) [d]) - // cond: c==d + // match: (RSBshiftRA (SRAconst x [c]) x [c]) // result: (MOVWconst [0]) for { - d := auxIntToInt32(v.AuxInt) - x := v_0 - if v_1.Op != OpARMSRAconst { + c := auxIntToInt32(v.AuxInt) + if v_0.Op != OpARMSRAconst || auxIntToInt32(v_0.AuxInt) != c { break } - c := auxIntToInt32(v_1.AuxInt) - if x != v_1.Args[0] || !(c == d) { + x := v_0.Args[0] + if x != v_1 { break } v.reset(OpARMMOVWconst) @@ -9458,6 +9560,7 @@ func rewriteValueARM_OpARMRSBshiftRAreg(v *Value) bool { return true } // match: (RSBshiftRAreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (RSBshiftRA x y [c]) for { x := v_0 @@ -9466,6 +9569,9 @@ func rewriteValueARM_OpARMRSBshiftRAreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMRSBshiftRA) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -9508,17 +9614,15 @@ func rewriteValueARM_OpARMRSBshiftRL(v *Value) bool { v.AddArg(x) return true } - // match: (RSBshiftRL x (SRLconst x [c]) [d]) - // cond: c==d + // match: (RSBshiftRL (SRLconst x [c]) x [c]) // result: (MOVWconst [0]) for { - d := auxIntToInt32(v.AuxInt) - x := v_0 - if v_1.Op != OpARMSRLconst { + c := auxIntToInt32(v.AuxInt) + if v_0.Op != OpARMSRLconst || auxIntToInt32(v_0.AuxInt) != c { break } - c := auxIntToInt32(v_1.AuxInt) - if x != v_1.Args[0] || !(c == d) { + x := v_0.Args[0] + if x != v_1 { break } v.reset(OpARMMOVWconst) @@ -9549,6 +9653,7 @@ func rewriteValueARM_OpARMRSBshiftRLreg(v *Value) bool { return true } // match: (RSBshiftRLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (RSBshiftRL x y [c]) for { x := v_0 @@ -9557,6 +9662,9 @@ func rewriteValueARM_OpARMRSBshiftRLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMRSBshiftRL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -9663,6 +9771,7 @@ func rewriteValueARM_OpARMRSCshiftLLreg(v *Value) bool { return true } // match: (RSCshiftLLreg x y (MOVWconst [c]) flags) + // cond: 0 <= c && c < 32 // result: (RSCshiftLL x y [c] flags) for { x := v_0 @@ -9672,6 +9781,9 @@ func rewriteValueARM_OpARMRSCshiftLLreg(v *Value) bool { } c := auxIntToInt32(v_2.AuxInt) flags := v_3 + if !(0 <= c && c < 32) { + break + } v.reset(OpARMRSCshiftLL) v.AuxInt = int32ToAuxInt(c) v.AddArg3(x, y, flags) @@ -9743,6 +9855,7 @@ func rewriteValueARM_OpARMRSCshiftRAreg(v *Value) bool { return true } // match: (RSCshiftRAreg x y (MOVWconst [c]) flags) + // cond: 0 <= c && c < 32 // result: (RSCshiftRA x y [c] flags) for { x := v_0 @@ -9752,6 +9865,9 @@ func rewriteValueARM_OpARMRSCshiftRAreg(v *Value) bool { } c := auxIntToInt32(v_2.AuxInt) flags := v_3 + if !(0 <= c && c < 32) { + break + } v.reset(OpARMRSCshiftRA) v.AuxInt = int32ToAuxInt(c) v.AddArg3(x, y, flags) @@ -9823,6 +9939,7 @@ func rewriteValueARM_OpARMRSCshiftRLreg(v *Value) bool { return true } // match: (RSCshiftRLreg x y (MOVWconst [c]) flags) + // cond: 0 <= c && c < 32 // result: (RSCshiftRL x y [c] flags) for { x := v_0 @@ -9832,6 +9949,9 @@ func rewriteValueARM_OpARMRSCshiftRLreg(v *Value) bool { } c := auxIntToInt32(v_2.AuxInt) flags := v_3 + if !(0 <= c && c < 32) { + break + } v.reset(OpARMRSCshiftRL) v.AuxInt = int32ToAuxInt(c) v.AddArg3(x, y, flags) @@ -10146,6 +10266,7 @@ func rewriteValueARM_OpARMSBCshiftLLreg(v *Value) bool { return true } // match: (SBCshiftLLreg x y (MOVWconst [c]) flags) + // cond: 0 <= c && c < 32 // result: (SBCshiftLL x y [c] flags) for { x := v_0 @@ -10155,6 +10276,9 @@ func rewriteValueARM_OpARMSBCshiftLLreg(v *Value) bool { } c := auxIntToInt32(v_2.AuxInt) flags := v_3 + if !(0 <= c && c < 32) { + break + } v.reset(OpARMSBCshiftLL) v.AuxInt = int32ToAuxInt(c) v.AddArg3(x, y, flags) @@ -10226,6 +10350,7 @@ func rewriteValueARM_OpARMSBCshiftRAreg(v *Value) bool { return true } // match: (SBCshiftRAreg x y (MOVWconst [c]) flags) + // cond: 0 <= c && c < 32 // result: (SBCshiftRA x y [c] flags) for { x := v_0 @@ -10235,6 +10360,9 @@ func rewriteValueARM_OpARMSBCshiftRAreg(v *Value) bool { } c := auxIntToInt32(v_2.AuxInt) flags := v_3 + if !(0 <= c && c < 32) { + break + } v.reset(OpARMSBCshiftRA) v.AuxInt = int32ToAuxInt(c) v.AddArg3(x, y, flags) @@ -10306,6 +10434,7 @@ func rewriteValueARM_OpARMSBCshiftRLreg(v *Value) bool { return true } // match: (SBCshiftRLreg x y (MOVWconst [c]) flags) + // cond: 0 <= c && c < 32 // result: (SBCshiftRL x y [c] flags) for { x := v_0 @@ -10315,6 +10444,9 @@ func rewriteValueARM_OpARMSBCshiftRLreg(v *Value) bool { } c := auxIntToInt32(v_2.AuxInt) flags := v_3 + if !(0 <= c && c < 32) { + break + } v.reset(OpARMSBCshiftRL) v.AuxInt = int32ToAuxInt(c) v.AddArg3(x, y, flags) @@ -10326,15 +10458,19 @@ func rewriteValueARM_OpARMSLL(v *Value) bool { v_1 := v.Args[1] v_0 := v.Args[0] // match: (SLL x (MOVWconst [c])) - // result: (SLLconst x [c&31]) + // cond: 0 <= c && c < 32 + // result: (SLLconst x [c]) for { x := v_0 if v_1.Op != OpARMMOVWconst { break } c := auxIntToInt32(v_1.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMSLLconst) - v.AuxInt = int32ToAuxInt(c & 31) + v.AuxInt = int32ToAuxInt(c) v.AddArg(x) return true } @@ -10360,15 +10496,19 @@ func rewriteValueARM_OpARMSRA(v *Value) bool { v_1 := v.Args[1] v_0 := v.Args[0] // match: (SRA x (MOVWconst [c])) - // result: (SRAconst x [c&31]) + // cond: 0 <= c && c < 32 + // result: (SRAconst x [c]) for { x := v_0 if v_1.Op != OpARMMOVWconst { break } c := auxIntToInt32(v_1.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMSRAconst) - v.AuxInt = int32ToAuxInt(c & 31) + v.AuxInt = int32ToAuxInt(c) v.AddArg(x) return true } @@ -10452,15 +10592,19 @@ func rewriteValueARM_OpARMSRL(v *Value) bool { v_1 := v.Args[1] v_0 := v.Args[0] // match: (SRL x (MOVWconst [c])) - // result: (SRLconst x [c&31]) + // cond: 0 <= c && c < 32 + // result: (SRLconst x [c]) for { x := v_0 if v_1.Op != OpARMMOVWconst { break } c := auxIntToInt32(v_1.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMSRLconst) - v.AuxInt = int32ToAuxInt(c & 31) + v.AuxInt = int32ToAuxInt(c) v.AddArg(x) return true } @@ -11038,6 +11182,7 @@ func rewriteValueARM_OpARMSUBSshiftLLreg(v *Value) bool { return true } // match: (SUBSshiftLLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (SUBSshiftLL x y [c]) for { x := v_0 @@ -11046,6 +11191,9 @@ func rewriteValueARM_OpARMSUBSshiftLLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMSUBSshiftLL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -11112,6 +11260,7 @@ func rewriteValueARM_OpARMSUBSshiftRAreg(v *Value) bool { return true } // match: (SUBSshiftRAreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (SUBSshiftRA x y [c]) for { x := v_0 @@ -11120,6 +11269,9 @@ func rewriteValueARM_OpARMSUBSshiftRAreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMSUBSshiftRA) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -11186,6 +11338,7 @@ func rewriteValueARM_OpARMSUBSshiftRLreg(v *Value) bool { return true } // match: (SUBSshiftRLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (SUBSshiftRL x y [c]) for { x := v_0 @@ -11194,6 +11347,9 @@ func rewriteValueARM_OpARMSUBSshiftRLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMSUBSshiftRL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -11348,17 +11504,15 @@ func rewriteValueARM_OpARMSUBshiftLL(v *Value) bool { v.AddArg(x) return true } - // match: (SUBshiftLL x (SLLconst x [c]) [d]) - // cond: c==d + // match: (SUBshiftLL (SLLconst x [c]) x [c]) // result: (MOVWconst [0]) for { - d := auxIntToInt32(v.AuxInt) - x := v_0 - if v_1.Op != OpARMSLLconst { + c := auxIntToInt32(v.AuxInt) + if v_0.Op != OpARMSLLconst || auxIntToInt32(v_0.AuxInt) != c { break } - c := auxIntToInt32(v_1.AuxInt) - if x != v_1.Args[0] || !(c == d) { + x := v_0.Args[0] + if x != v_1 { break } v.reset(OpARMMOVWconst) @@ -11389,6 +11543,7 @@ func rewriteValueARM_OpARMSUBshiftLLreg(v *Value) bool { return true } // match: (SUBshiftLLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (SUBshiftLL x y [c]) for { x := v_0 @@ -11397,6 +11552,9 @@ func rewriteValueARM_OpARMSUBshiftLLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMSUBshiftLL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -11439,17 +11597,15 @@ func rewriteValueARM_OpARMSUBshiftRA(v *Value) bool { v.AddArg(x) return true } - // match: (SUBshiftRA x (SRAconst x [c]) [d]) - // cond: c==d + // match: (SUBshiftRA (SRAconst x [c]) x [c]) // result: (MOVWconst [0]) for { - d := auxIntToInt32(v.AuxInt) - x := v_0 - if v_1.Op != OpARMSRAconst { + c := auxIntToInt32(v.AuxInt) + if v_0.Op != OpARMSRAconst || auxIntToInt32(v_0.AuxInt) != c { break } - c := auxIntToInt32(v_1.AuxInt) - if x != v_1.Args[0] || !(c == d) { + x := v_0.Args[0] + if x != v_1 { break } v.reset(OpARMMOVWconst) @@ -11480,6 +11636,7 @@ func rewriteValueARM_OpARMSUBshiftRAreg(v *Value) bool { return true } // match: (SUBshiftRAreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (SUBshiftRA x y [c]) for { x := v_0 @@ -11488,6 +11645,9 @@ func rewriteValueARM_OpARMSUBshiftRAreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMSUBshiftRA) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -11530,17 +11690,15 @@ func rewriteValueARM_OpARMSUBshiftRL(v *Value) bool { v.AddArg(x) return true } - // match: (SUBshiftRL x (SRLconst x [c]) [d]) - // cond: c==d + // match: (SUBshiftRL (SRLconst x [c]) x [c]) // result: (MOVWconst [0]) for { - d := auxIntToInt32(v.AuxInt) - x := v_0 - if v_1.Op != OpARMSRLconst { + c := auxIntToInt32(v.AuxInt) + if v_0.Op != OpARMSRLconst || auxIntToInt32(v_0.AuxInt) != c { break } - c := auxIntToInt32(v_1.AuxInt) - if x != v_1.Args[0] || !(c == d) { + x := v_0.Args[0] + if x != v_1 { break } v.reset(OpARMMOVWconst) @@ -11571,6 +11729,7 @@ func rewriteValueARM_OpARMSUBshiftRLreg(v *Value) bool { return true } // match: (SUBshiftRLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (SUBshiftRL x y [c]) for { x := v_0 @@ -11579,6 +11738,9 @@ func rewriteValueARM_OpARMSUBshiftRLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMSUBshiftRL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -11781,6 +11943,7 @@ func rewriteValueARM_OpARMTEQshiftLLreg(v *Value) bool { return true } // match: (TEQshiftLLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (TEQshiftLL x y [c]) for { x := v_0 @@ -11789,6 +11952,9 @@ func rewriteValueARM_OpARMTEQshiftLLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMTEQshiftLL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -11855,6 +12021,7 @@ func rewriteValueARM_OpARMTEQshiftRAreg(v *Value) bool { return true } // match: (TEQshiftRAreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (TEQshiftRA x y [c]) for { x := v_0 @@ -11863,6 +12030,9 @@ func rewriteValueARM_OpARMTEQshiftRAreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMTEQshiftRA) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -11929,6 +12099,7 @@ func rewriteValueARM_OpARMTEQshiftRLreg(v *Value) bool { return true } // match: (TEQshiftRLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (TEQshiftRL x y [c]) for { x := v_0 @@ -11937,6 +12108,9 @@ func rewriteValueARM_OpARMTEQshiftRLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMTEQshiftRL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -12139,6 +12313,7 @@ func rewriteValueARM_OpARMTSTshiftLLreg(v *Value) bool { return true } // match: (TSTshiftLLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (TSTshiftLL x y [c]) for { x := v_0 @@ -12147,6 +12322,9 @@ func rewriteValueARM_OpARMTSTshiftLLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMTSTshiftLL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -12213,6 +12391,7 @@ func rewriteValueARM_OpARMTSTshiftRAreg(v *Value) bool { return true } // match: (TSTshiftRAreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (TSTshiftRA x y [c]) for { x := v_0 @@ -12221,6 +12400,9 @@ func rewriteValueARM_OpARMTSTshiftRAreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMTSTshiftRA) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -12287,6 +12469,7 @@ func rewriteValueARM_OpARMTSTshiftRLreg(v *Value) bool { return true } // match: (TSTshiftRLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (TSTshiftRL x y [c]) for { x := v_0 @@ -12295,6 +12478,9 @@ func rewriteValueARM_OpARMTSTshiftRLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMTSTshiftRL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -12575,17 +12761,15 @@ func rewriteValueARM_OpARMXORshiftLL(v *Value) bool { v.AddArg(x) return true } - // match: (XORshiftLL x (SLLconst x [c]) [d]) - // cond: c==d + // match: (XORshiftLL (SLLconst x [c]) x [c]) // result: (MOVWconst [0]) for { - d := auxIntToInt32(v.AuxInt) - x := v_0 - if v_1.Op != OpARMSLLconst { + c := auxIntToInt32(v.AuxInt) + if v_0.Op != OpARMSLLconst || auxIntToInt32(v_0.AuxInt) != c { break } - c := auxIntToInt32(v_1.AuxInt) - if x != v_1.Args[0] || !(c == d) { + x := v_0.Args[0] + if x != v_1 { break } v.reset(OpARMMOVWconst) @@ -12616,6 +12800,7 @@ func rewriteValueARM_OpARMXORshiftLLreg(v *Value) bool { return true } // match: (XORshiftLLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (XORshiftLL x y [c]) for { x := v_0 @@ -12624,6 +12809,9 @@ func rewriteValueARM_OpARMXORshiftLLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMXORshiftLL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -12666,17 +12854,15 @@ func rewriteValueARM_OpARMXORshiftRA(v *Value) bool { v.AddArg(x) return true } - // match: (XORshiftRA x (SRAconst x [c]) [d]) - // cond: c==d + // match: (XORshiftRA (SRAconst x [c]) x [c]) // result: (MOVWconst [0]) for { - d := auxIntToInt32(v.AuxInt) - x := v_0 - if v_1.Op != OpARMSRAconst { + c := auxIntToInt32(v.AuxInt) + if v_0.Op != OpARMSRAconst || auxIntToInt32(v_0.AuxInt) != c { break } - c := auxIntToInt32(v_1.AuxInt) - if x != v_1.Args[0] || !(c == d) { + x := v_0.Args[0] + if x != v_1 { break } v.reset(OpARMMOVWconst) @@ -12707,6 +12893,7 @@ func rewriteValueARM_OpARMXORshiftRAreg(v *Value) bool { return true } // match: (XORshiftRAreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (XORshiftRA x y [c]) for { x := v_0 @@ -12715,6 +12902,9 @@ func rewriteValueARM_OpARMXORshiftRAreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMXORshiftRA) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) @@ -12773,17 +12963,15 @@ func rewriteValueARM_OpARMXORshiftRL(v *Value) bool { v.AddArg(x) return true } - // match: (XORshiftRL x (SRLconst x [c]) [d]) - // cond: c==d + // match: (XORshiftRL (SRLconst x [c]) x [c]) // result: (MOVWconst [0]) for { - d := auxIntToInt32(v.AuxInt) - x := v_0 - if v_1.Op != OpARMSRLconst { + c := auxIntToInt32(v.AuxInt) + if v_0.Op != OpARMSRLconst || auxIntToInt32(v_0.AuxInt) != c { break } - c := auxIntToInt32(v_1.AuxInt) - if x != v_1.Args[0] || !(c == d) { + x := v_0.Args[0] + if x != v_1 { break } v.reset(OpARMMOVWconst) @@ -12814,6 +13002,7 @@ func rewriteValueARM_OpARMXORshiftRLreg(v *Value) bool { return true } // match: (XORshiftRLreg x y (MOVWconst [c])) + // cond: 0 <= c && c < 32 // result: (XORshiftRL x y [c]) for { x := v_0 @@ -12822,6 +13011,9 @@ func rewriteValueARM_OpARMXORshiftRLreg(v *Value) bool { break } c := auxIntToInt32(v_2.AuxInt) + if !(0 <= c && c < 32) { + break + } v.reset(OpARMXORshiftRL) v.AuxInt = int32ToAuxInt(c) v.AddArg2(x, y) |