diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/rewriteMIPS.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/rewriteMIPS.go | 36 |
1 files changed, 16 insertions, 20 deletions
diff --git a/src/cmd/compile/internal/ssa/rewriteMIPS.go b/src/cmd/compile/internal/ssa/rewriteMIPS.go index 76eac5b1cf..2590611ab2 100644 --- a/src/cmd/compile/internal/ssa/rewriteMIPS.go +++ b/src/cmd/compile/internal/ssa/rewriteMIPS.go @@ -3332,8 +3332,8 @@ func rewriteValueMIPS_OpMIPSMOVBUload(v *Value, config *Config) bool { return true } // match: (MOVBUload [off] {sym} ptr (MOVBstore [off2] {sym2} ptr2 x _)) - // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) && !isSigned(x.Type) - // result: x + // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) + // result: (MOVBUreg x) for { off := v.AuxInt sym := v.Aux @@ -3346,11 +3346,10 @@ func rewriteValueMIPS_OpMIPSMOVBUload(v *Value, config *Config) bool { sym2 := v_1.Aux ptr2 := v_1.Args[0] x := v_1.Args[1] - if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) && !isSigned(x.Type)) { + if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) { break } - v.reset(OpCopy) - v.Type = x.Type + v.reset(OpMIPSMOVBUreg) v.AddArg(x) return true } @@ -3490,8 +3489,8 @@ func rewriteValueMIPS_OpMIPSMOVBload(v *Value, config *Config) bool { return true } // match: (MOVBload [off] {sym} ptr (MOVBstore [off2] {sym2} ptr2 x _)) - // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) && isSigned(x.Type) - // result: x + // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) + // result: (MOVBreg x) for { off := v.AuxInt sym := v.Aux @@ -3504,11 +3503,10 @@ func rewriteValueMIPS_OpMIPSMOVBload(v *Value, config *Config) bool { sym2 := v_1.Aux ptr2 := v_1.Args[0] x := v_1.Args[1] - if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) && isSigned(x.Type)) { + if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) { break } - v.reset(OpCopy) - v.Type = x.Type + v.reset(OpMIPSMOVBreg) v.AddArg(x) return true } @@ -4148,8 +4146,8 @@ func rewriteValueMIPS_OpMIPSMOVHUload(v *Value, config *Config) bool { return true } // match: (MOVHUload [off] {sym} ptr (MOVHstore [off2] {sym2} ptr2 x _)) - // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) && !isSigned(x.Type) - // result: x + // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) + // result: (MOVHUreg x) for { off := v.AuxInt sym := v.Aux @@ -4162,11 +4160,10 @@ func rewriteValueMIPS_OpMIPSMOVHUload(v *Value, config *Config) bool { sym2 := v_1.Aux ptr2 := v_1.Args[0] x := v_1.Args[1] - if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) && !isSigned(x.Type)) { + if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) { break } - v.reset(OpCopy) - v.Type = x.Type + v.reset(OpMIPSMOVHUreg) v.AddArg(x) return true } @@ -4330,8 +4327,8 @@ func rewriteValueMIPS_OpMIPSMOVHload(v *Value, config *Config) bool { return true } // match: (MOVHload [off] {sym} ptr (MOVHstore [off2] {sym2} ptr2 x _)) - // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) && isSigned(x.Type) - // result: x + // cond: sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) + // result: (MOVHreg x) for { off := v.AuxInt sym := v.Aux @@ -4344,11 +4341,10 @@ func rewriteValueMIPS_OpMIPSMOVHload(v *Value, config *Config) bool { sym2 := v_1.Aux ptr2 := v_1.Args[0] x := v_1.Args[1] - if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2) && isSigned(x.Type)) { + if !(sym == sym2 && off == off2 && isSamePtr(ptr, ptr2)) { break } - v.reset(OpCopy) - v.Type = x.Type + v.reset(OpMIPSMOVHreg) v.AddArg(x) return true } |