diff options
Diffstat (limited to 'src/cmd/compile/internal/ssa/gen/PPC64.rules')
| -rw-r--r-- | src/cmd/compile/internal/ssa/gen/PPC64.rules | 52 |
1 files changed, 44 insertions, 8 deletions
diff --git a/src/cmd/compile/internal/ssa/gen/PPC64.rules b/src/cmd/compile/internal/ssa/gen/PPC64.rules index fd967edaa9..2e746e32d4 100644 --- a/src/cmd/compile/internal/ssa/gen/PPC64.rules +++ b/src/cmd/compile/internal/ssa/gen/PPC64.rules @@ -28,6 +28,8 @@ (Mod32 x y) -> (SUB x (MULLW y (DIVW x y))) (Mod32u x y) -> (SUB x (MULLW y (DIVWU x y))) +(Avg64u <t> x y) -> (ADD (ADD <t> (SRD <t> x (MOVDconst <t> [1])) (SRD <t> y (MOVDconst <t> [1]))) (ANDconst <t> (AND <t> x y) [1])) + (Mul64 x y) -> (MULLD x y) (Mul32 x y) -> (MULLW x y) (Mul16 x y) -> (MULLW x y) @@ -57,6 +59,22 @@ (Div32F x y) -> (FDIVS x y) (Div64F x y) -> (FDIV x y) +// Lowering float <-> int +(Cvt32to32F x) -> (FRSP (FCFID (Xi2f64 (SignExt32to64 x)))) +(Cvt32to64F x) -> (FCFID (Xi2f64 (SignExt32to64 x))) +(Cvt64to32F x) -> (FRSP (FCFID (Xi2f64 x))) +(Cvt64to64F x) -> (FCFID (Xi2f64 x)) + +(Cvt32Fto32 x) -> (Xf2i64 (FCTIWZ x)) +(Cvt32Fto64 x) -> (Xf2i64 (FCTIDZ x)) +(Cvt64Fto32 x) -> (Xf2i64 (FCTIWZ x)) +(Cvt64Fto64 x) -> (Xf2i64 (FCTIDZ x)) + +(Cvt32Fto64F x) -> x // Note x will have the wrong type for patterns dependent on Float32/Float64 +(Cvt64Fto32F x) -> (FRSP x) + +(Sqrt x) -> (FSQRT x) + (Rsh64x64 x y) -> (SRAD x (ORN y <config.fe.TypeInt64()> (MaskIfNotCarry (ADDconstForCarry [-64] y)))) (Rsh64Ux64 x y) -> (SRD x (ORN y <config.fe.TypeInt64()> (MaskIfNotCarry (ADDconstForCarry [-64] y)))) (Lsh64x64 x y) -> (SLD x (ORN y <config.fe.TypeInt64()> (MaskIfNotCarry (ADDconstForCarry [-64] y)))) @@ -199,8 +217,8 @@ (Less16 x y) -> (LessThan (CMPW (SignExt16to32 x) (SignExt16to32 y))) (Less32 x y) -> (LessThan (CMPW x y)) (Less64 x y) -> (LessThan (CMP x y)) -(Less32F x y) -> (LessThan (FCMPU x y)) -(Less64F x y) -> (LessThan (FCMPU x y)) +(Less32F x y) -> (FLessThan (FCMPU x y)) +(Less64F x y) -> (FLessThan (FCMPU x y)) (Less8U x y) -> (LessThan (CMPWU (ZeroExt8to32 x) (ZeroExt8to32 y))) (Less16U x y) -> (LessThan (CMPWU (ZeroExt16to32 x) (ZeroExt16to32 y))) @@ -211,8 +229,8 @@ (Leq16 x y) -> (LessEqual (CMPW (SignExt16to32 x) (SignExt16to32 y))) (Leq32 x y) -> (LessEqual (CMPW x y)) (Leq64 x y) -> (LessEqual (CMP x y)) -(Leq32F x y) -> (LessEqual (FCMPU x y)) -(Leq64F x y) -> (LessEqual (FCMPU x y)) +(Leq32F x y) -> (FLessEqual (FCMPU x y)) +(Leq64F x y) -> (FLessEqual (FCMPU x y)) (Leq8U x y) -> (LessEqual (CMPWU (ZeroExt8to32 x) (ZeroExt8to32 y))) (Leq16U x y) -> (LessEqual (CMPWU (ZeroExt16to32 x) (ZeroExt16to32 y))) @@ -223,8 +241,8 @@ (Greater16 x y) -> (GreaterThan (CMPW (SignExt16to32 x) (SignExt16to32 y))) (Greater32 x y) -> (GreaterThan (CMPW x y)) (Greater64 x y) -> (GreaterThan (CMP x y)) -(Greater32F x y) -> (GreaterThan (FCMPU x y)) -(Greater64F x y) -> (GreaterThan (FCMPU x y)) +(Greater32F x y) -> (FGreaterThan (FCMPU x y)) +(Greater64F x y) -> (FGreaterThan (FCMPU x y)) (Greater8U x y) -> (GreaterThan (CMPWU (ZeroExt8to32 x) (ZeroExt8to32 y))) (Greater16U x y) -> (GreaterThan (CMPWU (ZeroExt16to32 x) (ZeroExt16to32 y))) @@ -235,8 +253,8 @@ (Geq16 x y) -> (GreaterEqual (CMPW (SignExt16to32 x) (SignExt16to32 y))) (Geq32 x y) -> (GreaterEqual (CMPW x y)) (Geq64 x y) -> (GreaterEqual (CMP x y)) -(Geq32F x y) -> (GreaterEqual (FCMPU x y)) -(Geq64F x y) -> (GreaterEqual (FCMPU x y)) +(Geq32F x y) -> (FGreaterEqual (FCMPU x y)) +(Geq64F x y) -> (FGreaterEqual (FCMPU x y)) (Geq8U x y) -> (GreaterEqual (CMPU (ZeroExt8to32 x) (ZeroExt8to32 y))) (Geq16U x y) -> (GreaterEqual (CMPU (ZeroExt16to32 x) (ZeroExt16to32 y))) @@ -250,6 +268,10 @@ (If (LessEqual cc) yes no) -> (LE cc yes no) (If (GreaterThan cc) yes no) -> (GT cc yes no) (If (GreaterEqual cc) yes no) -> (GE cc yes no) +(If (FLessThan cc) yes no) -> (FLT cc yes no) +(If (FLessEqual cc) yes no) -> (FLE cc yes no) +(If (FGreaterThan cc) yes no) -> (FGT cc yes no) +(If (FGreaterEqual cc) yes no) -> (FGE cc yes no) (If cond yes no) -> (NE (CMPWconst [0] cond) yes no) @@ -260,6 +282,10 @@ (NE (CMPWconst [0] (LessEqual cc)) yes no) -> (LE cc yes no) (NE (CMPWconst [0] (GreaterThan cc)) yes no) -> (GT cc yes no) (NE (CMPWconst [0] (GreaterEqual cc)) yes no) -> (GE cc yes no) +// (NE (CMPWconst [0] (FLessThan cc)) yes no) -> (FLT cc yes no) +// (NE (CMPWconst [0] (FLessEqual cc)) yes no) -> (FLE cc yes no) +// (NE (CMPWconst [0] (FGreaterThan cc)) yes no) -> (FGT cc yes no) +// (NE (CMPWconst [0] (FGreaterEqual cc)) yes no) -> (FGE cc yes no) // absorb flag constants into branches (EQ (FlagEQ) yes no) -> (First nil yes no) @@ -294,6 +320,11 @@ (EQ (InvertFlags cmp) yes no) -> (EQ cmp yes no) (NE (InvertFlags cmp) yes no) -> (NE cmp yes no) +// (FLT (InvertFlags cmp) yes no) -> (FGT cmp yes no) +// (FGT (InvertFlags cmp) yes no) -> (FLT cmp yes no) +// (FLE (InvertFlags cmp) yes no) -> (FGE cmp yes no) +// (FGE (InvertFlags cmp) yes no) -> (FLE cmp yes no) + // constant comparisons (CMPWconst (MOVWconst [x]) [y]) && int32(x)==int32(y) -> (FlagEQ) (CMPWconst (MOVWconst [x]) [y]) && int32(x)<int32(y) -> (FlagLT) @@ -349,6 +380,10 @@ (GreaterThan (InvertFlags x)) -> (LessThan x) (LessEqual (InvertFlags x)) -> (GreaterEqual x) (GreaterEqual (InvertFlags x)) -> (LessEqual x) +(FLessThan (InvertFlags x)) -> (FGreaterThan x) +(FGreaterThan (InvertFlags x)) -> (FLessThan x) +(FLessEqual (InvertFlags x)) -> (FGreaterEqual x) +(FGreaterEqual (InvertFlags x)) -> (FLessEqual x) // Lowering loads @@ -364,6 +399,7 @@ (Load <t> ptr mem) && is64BitFloat(t) -> (FMOVDload ptr mem) (Store [8] ptr val mem) && is64BitFloat(val.Type) -> (FMOVDstore ptr val mem) +(Store [8] ptr val mem) && is32BitFloat(val.Type) -> (FMOVDstore ptr val mem) // glitch from (Cvt32Fto64F x) -> x -- type is wrong (Store [4] ptr val mem) && is32BitFloat(val.Type) -> (FMOVSstore ptr val mem) (Store [8] ptr val mem) && (is64BitInt(val.Type) || isPtr(val.Type)) -> (MOVDstore ptr val mem) (Store [4] ptr val mem) && is32BitInt(val.Type) -> (MOVWstore ptr val mem) |