diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/rewritePPC64.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/rewritePPC64.go | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/src/cmd/compile/internal/ssa/rewritePPC64.go b/src/cmd/compile/internal/ssa/rewritePPC64.go index 5a28b9d4f7..c7bcc248fc 100644 --- a/src/cmd/compile/internal/ssa/rewritePPC64.go +++ b/src/cmd/compile/internal/ssa/rewritePPC64.go @@ -1167,9 +1167,10 @@ func rewriteValuePPC64_OpCondSelect(v *Value) bool { v_1 := v.Args[1] v_0 := v.Args[0] b := v.Block + typ := &b.Func.Config.Types // match: (CondSelect x y bool) // cond: flagArg(bool) == nil - // result: (ISEL [6] x y (CMPWconst [0] bool)) + // result: (ISEL [6] x y (Select1 <types.TypeFlags> (ANDCCconst [1] bool))) for { x := v_0 y := v_1 @@ -1179,9 +1180,11 @@ func rewriteValuePPC64_OpCondSelect(v *Value) bool { } v.reset(OpPPC64ISEL) v.AuxInt = int32ToAuxInt(6) - v0 := b.NewValue0(v.Pos, OpPPC64CMPWconst, types.TypeFlags) - v0.AuxInt = int32ToAuxInt(0) - v0.AddArg(bool) + v0 := b.NewValue0(v.Pos, OpSelect1, types.TypeFlags) + v1 := b.NewValue0(v.Pos, OpPPC64ANDCCconst, types.NewTuple(typ.Int, types.TypeFlags)) + v1.AuxInt = int64ToAuxInt(1) + v1.AddArg(bool) + v0.AddArg(v1) v.AddArg3(x, y, v0) return true } @@ -5895,7 +5898,7 @@ func rewriteValuePPC64_OpPPC64ISEL(v *Value) bool { v.AddArg(y) return true } - // match: (ISEL [6] x y (CMPWconst [0] (ISELB [c] one cmp))) + // match: (ISEL [6] x y (Select1 (ANDCCconst [1] (ISELB [c] one cmp)))) // result: (ISEL [c] x y cmp) for { if auxIntToInt32(v.AuxInt) != 6 { @@ -5903,15 +5906,19 @@ func rewriteValuePPC64_OpPPC64ISEL(v *Value) bool { } x := v_0 y := v_1 - if v_2.Op != OpPPC64CMPWconst || auxIntToInt32(v_2.AuxInt) != 0 { + if v_2.Op != OpSelect1 { break } v_2_0 := v_2.Args[0] - if v_2_0.Op != OpPPC64ISELB { + if v_2_0.Op != OpPPC64ANDCCconst || auxIntToInt64(v_2_0.AuxInt) != 1 { + break + } + v_2_0_0 := v_2_0.Args[0] + if v_2_0_0.Op != OpPPC64ISELB { break } - c := auxIntToInt32(v_2_0.AuxInt) - cmp := v_2_0.Args[1] + c := auxIntToInt32(v_2_0_0.AuxInt) + cmp := v_2_0_0.Args[1] v.reset(OpPPC64ISEL) v.AuxInt = int32ToAuxInt(c) v.AddArg3(x, y, cmp) |