diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/rewritePPC64.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/rewritePPC64.go | 603 |
1 files changed, 532 insertions, 71 deletions
diff --git a/src/cmd/compile/internal/ssa/rewritePPC64.go b/src/cmd/compile/internal/ssa/rewritePPC64.go index 7704b80dc6..152cdfdf4d 100644 --- a/src/cmd/compile/internal/ssa/rewritePPC64.go +++ b/src/cmd/compile/internal/ssa/rewritePPC64.go @@ -428,8 +428,6 @@ func rewriteValuePPC64(v *Value) bool { return rewriteValuePPC64_OpPPC64ADD(v) case OpPPC64ADDconst: return rewriteValuePPC64_OpPPC64ADDconst(v) - case OpPPC64ADDconstForCarry: - return rewriteValuePPC64_OpPPC64ADDconstForCarry(v) case OpPPC64AND: return rewriteValuePPC64_OpPPC64AND(v) case OpPPC64ANDN: @@ -570,8 +568,8 @@ func rewriteValuePPC64(v *Value) bool { return rewriteValuePPC64_OpPPC64MOVWstorezero(v) case OpPPC64MTVSRD: return rewriteValuePPC64_OpPPC64MTVSRD(v) - case OpPPC64MaskIfNotCarry: - return rewriteValuePPC64_OpPPC64MaskIfNotCarry(v) + case OpPPC64NEG: + return rewriteValuePPC64_OpPPC64NEG(v) case OpPPC64NOR: return rewriteValuePPC64_OpPPC64NOR(v) case OpPPC64NotEqual: @@ -600,6 +598,8 @@ func rewriteValuePPC64(v *Value) bool { return rewriteValuePPC64_OpPPC64SRW(v) case OpPPC64SUB: return rewriteValuePPC64_OpPPC64SUB(v) + case OpPPC64SUBFCconst: + return rewriteValuePPC64_OpPPC64SUBFCconst(v) case OpPPC64XOR: return rewriteValuePPC64_OpPPC64XOR(v) case OpPPC64XORconst: @@ -1025,15 +1025,14 @@ func rewriteValuePPC64_OpBitLen32(v *Value) bool { b := v.Block typ := &b.Func.Config.Types // match: (BitLen32 x) - // result: (SUB (MOVDconst [32]) (CNTLZW <typ.Int> x)) + // result: (SUBFCconst [32] (CNTLZW <typ.Int> x)) for { x := v_0 - v.reset(OpPPC64SUB) - v0 := b.NewValue0(v.Pos, OpPPC64MOVDconst, typ.Int64) - v0.AuxInt = int64ToAuxInt(32) - v1 := b.NewValue0(v.Pos, OpPPC64CNTLZW, typ.Int) - v1.AddArg(x) - v.AddArg2(v0, v1) + v.reset(OpPPC64SUBFCconst) + v.AuxInt = int64ToAuxInt(32) + v0 := b.NewValue0(v.Pos, OpPPC64CNTLZW, typ.Int) + v0.AddArg(x) + v.AddArg(v0) return true } } @@ -1042,15 +1041,14 @@ func rewriteValuePPC64_OpBitLen64(v *Value) bool { b := v.Block typ := &b.Func.Config.Types // match: (BitLen64 x) - // result: (SUB (MOVDconst [64]) (CNTLZD <typ.Int> x)) + // result: (SUBFCconst [64] (CNTLZD <typ.Int> x)) for { x := v_0 - v.reset(OpPPC64SUB) - v0 := b.NewValue0(v.Pos, OpPPC64MOVDconst, typ.Int64) - v0.AuxInt = int64ToAuxInt(64) - v1 := b.NewValue0(v.Pos, OpPPC64CNTLZD, typ.Int) - v1.AddArg(x) - v.AddArg2(v0, v1) + v.reset(OpPPC64SUBFCconst) + v.AuxInt = int64ToAuxInt(64) + v0 := b.NewValue0(v.Pos, OpPPC64CNTLZD, typ.Int) + v0.AddArg(x) + v.AddArg(v0) return true } } @@ -3961,6 +3959,76 @@ func rewriteValuePPC64_OpPPC64ADD(v *Value) bool { } break } + // match: (ADD (SLD x (ANDconst <typ.Int64> [63] y)) (SRD x (SUBFCconst <typ.UInt> [64] (ANDconst <typ.UInt> [63] y)))) + // result: (ROTL x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpPPC64SLD { + continue + } + _ = v_0.Args[1] + x := v_0.Args[0] + v_0_1 := v_0.Args[1] + if v_0_1.Op != OpPPC64ANDconst || v_0_1.Type != typ.Int64 || auxIntToInt64(v_0_1.AuxInt) != 63 { + continue + } + y := v_0_1.Args[0] + if v_1.Op != OpPPC64SRD { + continue + } + _ = v_1.Args[1] + if x != v_1.Args[0] { + continue + } + v_1_1 := v_1.Args[1] + if v_1_1.Op != OpPPC64SUBFCconst || v_1_1.Type != typ.UInt || auxIntToInt64(v_1_1.AuxInt) != 64 { + continue + } + v_1_1_0 := v_1_1.Args[0] + if v_1_1_0.Op != OpPPC64ANDconst || v_1_1_0.Type != typ.UInt || auxIntToInt64(v_1_1_0.AuxInt) != 63 || y != v_1_1_0.Args[0] { + continue + } + v.reset(OpPPC64ROTL) + v.AddArg2(x, y) + return true + } + break + } + // match: (ADD (SLW x (ANDconst <typ.Int32> [31] y)) (SRW x (SUBFCconst <typ.UInt> [32] (ANDconst <typ.UInt> [31] y)))) + // result: (ROTLW x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpPPC64SLW { + continue + } + _ = v_0.Args[1] + x := v_0.Args[0] + v_0_1 := v_0.Args[1] + if v_0_1.Op != OpPPC64ANDconst || v_0_1.Type != typ.Int32 || auxIntToInt64(v_0_1.AuxInt) != 31 { + continue + } + y := v_0_1.Args[0] + if v_1.Op != OpPPC64SRW { + continue + } + _ = v_1.Args[1] + if x != v_1.Args[0] { + continue + } + v_1_1 := v_1.Args[1] + if v_1_1.Op != OpPPC64SUBFCconst || v_1_1.Type != typ.UInt || auxIntToInt64(v_1_1.AuxInt) != 32 { + continue + } + v_1_1_0 := v_1_1.Args[0] + if v_1_1_0.Op != OpPPC64ANDconst || v_1_1_0.Type != typ.UInt || auxIntToInt64(v_1_1_0.AuxInt) != 31 || y != v_1_1_0.Args[0] { + continue + } + v.reset(OpPPC64ROTLW) + v.AddArg2(x, y) + return true + } + break + } // match: (ADD (SLW x (ANDconst <typ.Int32> [31] y)) (SRW x (SUB <typ.UInt> (MOVDconst [32]) (ANDconst <typ.UInt> [31] y)))) // result: (ROTLW x y) for { @@ -4073,38 +4141,22 @@ func rewriteValuePPC64_OpPPC64ADDconst(v *Value) bool { v.AddArg(x) return true } - return false -} -func rewriteValuePPC64_OpPPC64ADDconstForCarry(v *Value) bool { - v_0 := v.Args[0] - // match: (ADDconstForCarry [c] (MOVDconst [d])) - // cond: c < 0 && (c < 0 || int64(c) + d >= 0) - // result: (FlagCarryClear) - for { - c := auxIntToInt16(v.AuxInt) - if v_0.Op != OpPPC64MOVDconst { - break - } - d := auxIntToInt64(v_0.AuxInt) - if !(c < 0 && (c < 0 || int64(c)+d >= 0)) { - break - } - v.reset(OpPPC64FlagCarryClear) - return true - } - // match: (ADDconstForCarry [c] (MOVDconst [d])) - // cond: c < 0 && c >= 0 && int64(c) + d < 0 - // result: (FlagCarrySet) + // match: (ADDconst [c] (SUBFCconst [d] x)) + // cond: is32Bit(c+d) + // result: (SUBFCconst [c+d] x) for { - c := auxIntToInt16(v.AuxInt) - if v_0.Op != OpPPC64MOVDconst { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpPPC64SUBFCconst { break } d := auxIntToInt64(v_0.AuxInt) - if !(c < 0 && c >= 0 && int64(c)+d < 0) { + x := v_0.Args[0] + if !(is32Bit(c + d)) { break } - v.reset(OpPPC64FlagCarrySet) + v.reset(OpPPC64SUBFCconst) + v.AuxInt = int64ToAuxInt(c + d) + v.AddArg(x) return true } return false @@ -10374,46 +10426,40 @@ func rewriteValuePPC64_OpPPC64MTVSRD(v *Value) bool { } return false } -func rewriteValuePPC64_OpPPC64MaskIfNotCarry(v *Value) bool { +func rewriteValuePPC64_OpPPC64NEG(v *Value) bool { v_0 := v.Args[0] - // match: (MaskIfNotCarry (ADDconstForCarry [c] (ANDconst [d] _))) - // cond: c < 0 && d > 0 && int64(c) + d < 0 - // result: (MOVDconst [-1]) + // match: (NEG (ADDconst [c] x)) + // cond: is32Bit(-c) + // result: (SUBFCconst [-c] x) for { - if v_0.Op != OpPPC64ADDconstForCarry { - break - } - c := auxIntToInt16(v_0.AuxInt) - v_0_0 := v_0.Args[0] - if v_0_0.Op != OpPPC64ANDconst { + if v_0.Op != OpPPC64ADDconst { break } - d := auxIntToInt64(v_0_0.AuxInt) - if !(c < 0 && d > 0 && int64(c)+d < 0) { + c := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(is32Bit(-c)) { break } - v.reset(OpPPC64MOVDconst) - v.AuxInt = int64ToAuxInt(-1) + v.reset(OpPPC64SUBFCconst) + v.AuxInt = int64ToAuxInt(-c) + v.AddArg(x) return true } - // match: (MaskIfNotCarry (FlagCarrySet)) - // result: (MOVDconst [0]) + // match: (NEG (SUBFCconst [c] x)) + // cond: is32Bit(-c) + // result: (ADDconst [-c] x) for { - if v_0.Op != OpPPC64FlagCarrySet { + if v_0.Op != OpPPC64SUBFCconst { break } - v.reset(OpPPC64MOVDconst) - v.AuxInt = int64ToAuxInt(0) - return true - } - // match: (MaskIfNotCarry (FlagCarryClear)) - // result: (MOVDconst [-1]) - for { - if v_0.Op != OpPPC64FlagCarryClear { + c := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(is32Bit(-c)) { break } - v.reset(OpPPC64MOVDconst) - v.AuxInt = int64ToAuxInt(-1) + v.reset(OpPPC64ADDconst) + v.AuxInt = int64ToAuxInt(-c) + v.AddArg(x) return true } return false @@ -10592,6 +10638,76 @@ func rewriteValuePPC64_OpPPC64OR(v *Value) bool { } break } + // match: ( OR (SLD x (ANDconst <typ.Int64> [63] y)) (SRD x (SUBFCconst <typ.UInt> [64] (ANDconst <typ.UInt> [63] y)))) + // result: (ROTL x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpPPC64SLD { + continue + } + _ = v_0.Args[1] + x := v_0.Args[0] + v_0_1 := v_0.Args[1] + if v_0_1.Op != OpPPC64ANDconst || v_0_1.Type != typ.Int64 || auxIntToInt64(v_0_1.AuxInt) != 63 { + continue + } + y := v_0_1.Args[0] + if v_1.Op != OpPPC64SRD { + continue + } + _ = v_1.Args[1] + if x != v_1.Args[0] { + continue + } + v_1_1 := v_1.Args[1] + if v_1_1.Op != OpPPC64SUBFCconst || v_1_1.Type != typ.UInt || auxIntToInt64(v_1_1.AuxInt) != 64 { + continue + } + v_1_1_0 := v_1_1.Args[0] + if v_1_1_0.Op != OpPPC64ANDconst || v_1_1_0.Type != typ.UInt || auxIntToInt64(v_1_1_0.AuxInt) != 63 || y != v_1_1_0.Args[0] { + continue + } + v.reset(OpPPC64ROTL) + v.AddArg2(x, y) + return true + } + break + } + // match: ( OR (SLW x (ANDconst <typ.Int32> [31] y)) (SRW x (SUBFCconst <typ.UInt> [32] (ANDconst <typ.UInt> [31] y)))) + // result: (ROTLW x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpPPC64SLW { + continue + } + _ = v_0.Args[1] + x := v_0.Args[0] + v_0_1 := v_0.Args[1] + if v_0_1.Op != OpPPC64ANDconst || v_0_1.Type != typ.Int32 || auxIntToInt64(v_0_1.AuxInt) != 31 { + continue + } + y := v_0_1.Args[0] + if v_1.Op != OpPPC64SRW { + continue + } + _ = v_1.Args[1] + if x != v_1.Args[0] { + continue + } + v_1_1 := v_1.Args[1] + if v_1_1.Op != OpPPC64SUBFCconst || v_1_1.Type != typ.UInt || auxIntToInt64(v_1_1.AuxInt) != 32 { + continue + } + v_1_1_0 := v_1_1.Args[0] + if v_1_1_0.Op != OpPPC64ANDconst || v_1_1_0.Type != typ.UInt || auxIntToInt64(v_1_1_0.AuxInt) != 31 || y != v_1_1_0.Args[0] { + continue + } + v.reset(OpPPC64ROTLW) + v.AddArg2(x, y) + return true + } + break + } // match: ( OR (SLW x (ANDconst <typ.Int32> [31] y)) (SRW x (SUB <typ.UInt> (MOVDconst [32]) (ANDconst <typ.UInt> [31] y)))) // result: (ROTLW x y) for { @@ -12191,6 +12307,69 @@ func rewriteValuePPC64_OpPPC64SUB(v *Value) bool { v.AddArg(x) return true } + // match: (SUB (MOVDconst [c]) x) + // cond: is32Bit(c) + // result: (SUBFCconst [c] x) + for { + if v_0.Op != OpPPC64MOVDconst { + break + } + c := auxIntToInt64(v_0.AuxInt) + x := v_1 + if !(is32Bit(c)) { + break + } + v.reset(OpPPC64SUBFCconst) + v.AuxInt = int64ToAuxInt(c) + v.AddArg(x) + return true + } + return false +} +func rewriteValuePPC64_OpPPC64SUBFCconst(v *Value) bool { + v_0 := v.Args[0] + // match: (SUBFCconst [c] (NEG x)) + // result: (ADDconst [c] x) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpPPC64NEG { + break + } + x := v_0.Args[0] + v.reset(OpPPC64ADDconst) + v.AuxInt = int64ToAuxInt(c) + v.AddArg(x) + return true + } + // match: (SUBFCconst [c] (SUBFCconst [d] x)) + // cond: is32Bit(c-d) + // result: (ADDconst [c-d] x) + for { + c := auxIntToInt64(v.AuxInt) + if v_0.Op != OpPPC64SUBFCconst { + break + } + d := auxIntToInt64(v_0.AuxInt) + x := v_0.Args[0] + if !(is32Bit(c - d)) { + break + } + v.reset(OpPPC64ADDconst) + v.AuxInt = int64ToAuxInt(c - d) + v.AddArg(x) + return true + } + // match: (SUBFCconst [0] x) + // result: (NEG x) + for { + if auxIntToInt64(v.AuxInt) != 0 { + break + } + x := v_0 + v.reset(OpPPC64NEG) + v.AddArg(x) + return true + } return false } func rewriteValuePPC64_OpPPC64XOR(v *Value) bool { @@ -12286,6 +12465,76 @@ func rewriteValuePPC64_OpPPC64XOR(v *Value) bool { } break } + // match: (XOR (SLD x (ANDconst <typ.Int64> [63] y)) (SRD x (SUBFCconst <typ.UInt> [64] (ANDconst <typ.UInt> [63] y)))) + // result: (ROTL x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpPPC64SLD { + continue + } + _ = v_0.Args[1] + x := v_0.Args[0] + v_0_1 := v_0.Args[1] + if v_0_1.Op != OpPPC64ANDconst || v_0_1.Type != typ.Int64 || auxIntToInt64(v_0_1.AuxInt) != 63 { + continue + } + y := v_0_1.Args[0] + if v_1.Op != OpPPC64SRD { + continue + } + _ = v_1.Args[1] + if x != v_1.Args[0] { + continue + } + v_1_1 := v_1.Args[1] + if v_1_1.Op != OpPPC64SUBFCconst || v_1_1.Type != typ.UInt || auxIntToInt64(v_1_1.AuxInt) != 64 { + continue + } + v_1_1_0 := v_1_1.Args[0] + if v_1_1_0.Op != OpPPC64ANDconst || v_1_1_0.Type != typ.UInt || auxIntToInt64(v_1_1_0.AuxInt) != 63 || y != v_1_1_0.Args[0] { + continue + } + v.reset(OpPPC64ROTL) + v.AddArg2(x, y) + return true + } + break + } + // match: (XOR (SLW x (ANDconst <typ.Int32> [31] y)) (SRW x (SUBFCconst <typ.UInt> [32] (ANDconst <typ.UInt> [31] y)))) + // result: (ROTLW x y) + for { + for _i0 := 0; _i0 <= 1; _i0, v_0, v_1 = _i0+1, v_1, v_0 { + if v_0.Op != OpPPC64SLW { + continue + } + _ = v_0.Args[1] + x := v_0.Args[0] + v_0_1 := v_0.Args[1] + if v_0_1.Op != OpPPC64ANDconst || v_0_1.Type != typ.Int32 || auxIntToInt64(v_0_1.AuxInt) != 31 { + continue + } + y := v_0_1.Args[0] + if v_1.Op != OpPPC64SRW { + continue + } + _ = v_1.Args[1] + if x != v_1.Args[0] { + continue + } + v_1_1 := v_1.Args[1] + if v_1_1.Op != OpPPC64SUBFCconst || v_1_1.Type != typ.UInt || auxIntToInt64(v_1_1.AuxInt) != 32 { + continue + } + v_1_1_0 := v_1_1.Args[0] + if v_1_1_0.Op != OpPPC64ANDconst || v_1_1_0.Type != typ.UInt || auxIntToInt64(v_1_1_0.AuxInt) != 31 || y != v_1_1_0.Args[0] { + continue + } + v.reset(OpPPC64ROTLW) + v.AddArg2(x, y) + return true + } + break + } // match: (XOR (SLW x (ANDconst <typ.Int32> [31] y)) (SRW x (SUB <typ.UInt> (MOVDconst [32]) (ANDconst <typ.UInt> [31] y)))) // result: (ROTLW x y) for { @@ -13257,6 +13506,28 @@ func rewriteValuePPC64_OpRsh32Ux64(v *Value) bool { v.AddArg2(x, v0) return true } + // match: (Rsh32Ux64 x (SUBFCconst <typ.UInt> [32] (ANDconst <typ.UInt> [31] y))) + // result: (SRW x (SUBFCconst <typ.UInt> [32] (ANDconst <typ.UInt> [31] y))) + for { + x := v_0 + if v_1.Op != OpPPC64SUBFCconst || v_1.Type != typ.UInt || auxIntToInt64(v_1.AuxInt) != 32 { + break + } + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpPPC64ANDconst || v_1_0.Type != typ.UInt || auxIntToInt64(v_1_0.AuxInt) != 31 { + break + } + y := v_1_0.Args[0] + v.reset(OpPPC64SRW) + v0 := b.NewValue0(v.Pos, OpPPC64SUBFCconst, typ.UInt) + v0.AuxInt = int64ToAuxInt(32) + v1 := b.NewValue0(v.Pos, OpPPC64ANDconst, typ.UInt) + v1.AuxInt = int64ToAuxInt(31) + v1.AddArg(y) + v0.AddArg(v1) + v.AddArg2(x, v0) + return true + } // match: (Rsh32Ux64 x (SUB <typ.UInt> (MOVDconst [32]) (AND <typ.UInt> y (MOVDconst [31])))) // result: (SRW x (SUB <typ.UInt> (MOVDconst [32]) (ANDconst <typ.UInt> [31] y))) for { @@ -13294,6 +13565,37 @@ func rewriteValuePPC64_OpRsh32Ux64(v *Value) bool { } break } + // match: (Rsh32Ux64 x (SUBFCconst <typ.UInt> [32] (AND <typ.UInt> y (MOVDconst [31])))) + // result: (SRW x (SUBFCconst <typ.UInt> [32] (ANDconst <typ.UInt> [31] y))) + for { + x := v_0 + if v_1.Op != OpPPC64SUBFCconst || v_1.Type != typ.UInt || auxIntToInt64(v_1.AuxInt) != 32 { + break + } + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpPPC64AND || v_1_0.Type != typ.UInt { + break + } + _ = v_1_0.Args[1] + v_1_0_0 := v_1_0.Args[0] + v_1_0_1 := v_1_0.Args[1] + for _i0 := 0; _i0 <= 1; _i0, v_1_0_0, v_1_0_1 = _i0+1, v_1_0_1, v_1_0_0 { + y := v_1_0_0 + if v_1_0_1.Op != OpPPC64MOVDconst || auxIntToInt64(v_1_0_1.AuxInt) != 31 { + continue + } + v.reset(OpPPC64SRW) + v0 := b.NewValue0(v.Pos, OpPPC64SUBFCconst, typ.UInt) + v0.AuxInt = int64ToAuxInt(32) + v1 := b.NewValue0(v.Pos, OpPPC64ANDconst, typ.UInt) + v1.AuxInt = int64ToAuxInt(31) + v1.AddArg(y) + v0.AddArg(v1) + v.AddArg2(x, v0) + return true + } + break + } // match: (Rsh32Ux64 x y) // result: (SRW x (ISEL [0] y (MOVDconst [-1]) (CMPU y (MOVDconst [32])))) for { @@ -13564,6 +13866,28 @@ func rewriteValuePPC64_OpRsh32x64(v *Value) bool { v.AddArg2(x, v0) return true } + // match: (Rsh32x64 x (SUBFCconst <typ.UInt> [32] (ANDconst <typ.UInt> [31] y))) + // result: (SRAW x (SUBFCconst <typ.UInt> [32] (ANDconst <typ.UInt> [31] y))) + for { + x := v_0 + if v_1.Op != OpPPC64SUBFCconst || v_1.Type != typ.UInt || auxIntToInt64(v_1.AuxInt) != 32 { + break + } + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpPPC64ANDconst || v_1_0.Type != typ.UInt || auxIntToInt64(v_1_0.AuxInt) != 31 { + break + } + y := v_1_0.Args[0] + v.reset(OpPPC64SRAW) + v0 := b.NewValue0(v.Pos, OpPPC64SUBFCconst, typ.UInt) + v0.AuxInt = int64ToAuxInt(32) + v1 := b.NewValue0(v.Pos, OpPPC64ANDconst, typ.UInt) + v1.AuxInt = int64ToAuxInt(31) + v1.AddArg(y) + v0.AddArg(v1) + v.AddArg2(x, v0) + return true + } // match: (Rsh32x64 x (SUB <typ.UInt> (MOVDconst [32]) (AND <typ.UInt> y (MOVDconst [31])))) // result: (SRAW x (SUB <typ.UInt> (MOVDconst [32]) (ANDconst <typ.UInt> [31] y))) for { @@ -13601,6 +13925,37 @@ func rewriteValuePPC64_OpRsh32x64(v *Value) bool { } break } + // match: (Rsh32x64 x (SUBFCconst <typ.UInt> [32] (AND <typ.UInt> y (MOVDconst [31])))) + // result: (SRAW x (SUBFCconst <typ.UInt> [32] (ANDconst <typ.UInt> [31] y))) + for { + x := v_0 + if v_1.Op != OpPPC64SUBFCconst || v_1.Type != typ.UInt || auxIntToInt64(v_1.AuxInt) != 32 { + break + } + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpPPC64AND || v_1_0.Type != typ.UInt { + break + } + _ = v_1_0.Args[1] + v_1_0_0 := v_1_0.Args[0] + v_1_0_1 := v_1_0.Args[1] + for _i0 := 0; _i0 <= 1; _i0, v_1_0_0, v_1_0_1 = _i0+1, v_1_0_1, v_1_0_0 { + y := v_1_0_0 + if v_1_0_1.Op != OpPPC64MOVDconst || auxIntToInt64(v_1_0_1.AuxInt) != 31 { + continue + } + v.reset(OpPPC64SRAW) + v0 := b.NewValue0(v.Pos, OpPPC64SUBFCconst, typ.UInt) + v0.AuxInt = int64ToAuxInt(32) + v1 := b.NewValue0(v.Pos, OpPPC64ANDconst, typ.UInt) + v1.AuxInt = int64ToAuxInt(31) + v1.AddArg(y) + v0.AddArg(v1) + v.AddArg2(x, v0) + return true + } + break + } // match: (Rsh32x64 x y) // result: (SRAW x (ISEL [0] y (MOVDconst [-1]) (CMPU y (MOVDconst [32])))) for { @@ -13869,6 +14224,28 @@ func rewriteValuePPC64_OpRsh64Ux64(v *Value) bool { v.AddArg2(x, v0) return true } + // match: (Rsh64Ux64 x (SUBFCconst <typ.UInt> [64] (ANDconst <typ.UInt> [63] y))) + // result: (SRD x (SUBFCconst <typ.UInt> [64] (ANDconst <typ.UInt> [63] y))) + for { + x := v_0 + if v_1.Op != OpPPC64SUBFCconst || v_1.Type != typ.UInt || auxIntToInt64(v_1.AuxInt) != 64 { + break + } + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpPPC64ANDconst || v_1_0.Type != typ.UInt || auxIntToInt64(v_1_0.AuxInt) != 63 { + break + } + y := v_1_0.Args[0] + v.reset(OpPPC64SRD) + v0 := b.NewValue0(v.Pos, OpPPC64SUBFCconst, typ.UInt) + v0.AuxInt = int64ToAuxInt(64) + v1 := b.NewValue0(v.Pos, OpPPC64ANDconst, typ.UInt) + v1.AuxInt = int64ToAuxInt(63) + v1.AddArg(y) + v0.AddArg(v1) + v.AddArg2(x, v0) + return true + } // match: (Rsh64Ux64 x (SUB <typ.UInt> (MOVDconst [64]) (AND <typ.UInt> y (MOVDconst [63])))) // result: (SRD x (SUB <typ.UInt> (MOVDconst [64]) (ANDconst <typ.UInt> [63] y))) for { @@ -13906,6 +14283,37 @@ func rewriteValuePPC64_OpRsh64Ux64(v *Value) bool { } break } + // match: (Rsh64Ux64 x (SUBFCconst <typ.UInt> [64] (AND <typ.UInt> y (MOVDconst [63])))) + // result: (SRD x (SUBFCconst <typ.UInt> [64] (ANDconst <typ.UInt> [63] y))) + for { + x := v_0 + if v_1.Op != OpPPC64SUBFCconst || v_1.Type != typ.UInt || auxIntToInt64(v_1.AuxInt) != 64 { + break + } + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpPPC64AND || v_1_0.Type != typ.UInt { + break + } + _ = v_1_0.Args[1] + v_1_0_0 := v_1_0.Args[0] + v_1_0_1 := v_1_0.Args[1] + for _i0 := 0; _i0 <= 1; _i0, v_1_0_0, v_1_0_1 = _i0+1, v_1_0_1, v_1_0_0 { + y := v_1_0_0 + if v_1_0_1.Op != OpPPC64MOVDconst || auxIntToInt64(v_1_0_1.AuxInt) != 63 { + continue + } + v.reset(OpPPC64SRD) + v0 := b.NewValue0(v.Pos, OpPPC64SUBFCconst, typ.UInt) + v0.AuxInt = int64ToAuxInt(64) + v1 := b.NewValue0(v.Pos, OpPPC64ANDconst, typ.UInt) + v1.AuxInt = int64ToAuxInt(63) + v1.AddArg(y) + v0.AddArg(v1) + v.AddArg2(x, v0) + return true + } + break + } // match: (Rsh64Ux64 x y) // result: (SRD x (ISEL [0] y (MOVDconst [-1]) (CMPU y (MOVDconst [64])))) for { @@ -14176,6 +14584,28 @@ func rewriteValuePPC64_OpRsh64x64(v *Value) bool { v.AddArg2(x, v0) return true } + // match: (Rsh64x64 x (SUBFCconst <typ.UInt> [64] (ANDconst <typ.UInt> [63] y))) + // result: (SRAD x (SUBFCconst <typ.UInt> [64] (ANDconst <typ.UInt> [63] y))) + for { + x := v_0 + if v_1.Op != OpPPC64SUBFCconst || v_1.Type != typ.UInt || auxIntToInt64(v_1.AuxInt) != 64 { + break + } + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpPPC64ANDconst || v_1_0.Type != typ.UInt || auxIntToInt64(v_1_0.AuxInt) != 63 { + break + } + y := v_1_0.Args[0] + v.reset(OpPPC64SRAD) + v0 := b.NewValue0(v.Pos, OpPPC64SUBFCconst, typ.UInt) + v0.AuxInt = int64ToAuxInt(64) + v1 := b.NewValue0(v.Pos, OpPPC64ANDconst, typ.UInt) + v1.AuxInt = int64ToAuxInt(63) + v1.AddArg(y) + v0.AddArg(v1) + v.AddArg2(x, v0) + return true + } // match: (Rsh64x64 x (SUB <typ.UInt> (MOVDconst [64]) (AND <typ.UInt> y (MOVDconst [63])))) // result: (SRAD x (SUB <typ.UInt> (MOVDconst [64]) (ANDconst <typ.UInt> [63] y))) for { @@ -14213,6 +14643,37 @@ func rewriteValuePPC64_OpRsh64x64(v *Value) bool { } break } + // match: (Rsh64x64 x (SUBFCconst <typ.UInt> [64] (AND <typ.UInt> y (MOVDconst [63])))) + // result: (SRAD x (SUBFCconst <typ.UInt> [64] (ANDconst <typ.UInt> [63] y))) + for { + x := v_0 + if v_1.Op != OpPPC64SUBFCconst || v_1.Type != typ.UInt || auxIntToInt64(v_1.AuxInt) != 64 { + break + } + v_1_0 := v_1.Args[0] + if v_1_0.Op != OpPPC64AND || v_1_0.Type != typ.UInt { + break + } + _ = v_1_0.Args[1] + v_1_0_0 := v_1_0.Args[0] + v_1_0_1 := v_1_0.Args[1] + for _i0 := 0; _i0 <= 1; _i0, v_1_0_0, v_1_0_1 = _i0+1, v_1_0_1, v_1_0_0 { + y := v_1_0_0 + if v_1_0_1.Op != OpPPC64MOVDconst || auxIntToInt64(v_1_0_1.AuxInt) != 63 { + continue + } + v.reset(OpPPC64SRAD) + v0 := b.NewValue0(v.Pos, OpPPC64SUBFCconst, typ.UInt) + v0.AuxInt = int64ToAuxInt(64) + v1 := b.NewValue0(v.Pos, OpPPC64ANDconst, typ.UInt) + v1.AuxInt = int64ToAuxInt(63) + v1.AddArg(y) + v0.AddArg(v1) + v.AddArg2(x, v0) + return true + } + break + } // match: (Rsh64x64 x y) // result: (SRAD x (ISEL [0] y (MOVDconst [-1]) (CMPU y (MOVDconst [64])))) for { |