diff options
Diffstat (limited to 'llvm/lib/Target/PowerPC')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCISelLowering.cpp | 15 | ||||
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCInstrVSX.td | 24 | ||||
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCVSXCopy.cpp | 6 |
3 files changed, 41 insertions, 4 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp index 8788382567b..c84248c6463 100644 --- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp @@ -255,10 +255,17 @@ PPCTargetLowering::PPCTargetLowering(const PPCTargetMachine &TM, setOperationAction(ISD::SINT_TO_FP, MVT::i32, Expand); setOperationAction(ISD::UINT_TO_FP, MVT::i32, Expand); - setOperationAction(ISD::BITCAST, MVT::f32, Expand); - setOperationAction(ISD::BITCAST, MVT::i32, Expand); - setOperationAction(ISD::BITCAST, MVT::i64, Expand); - setOperationAction(ISD::BITCAST, MVT::f64, Expand); + if (Subtarget.hasDirectMove()) { + setOperationAction(ISD::BITCAST, MVT::f32, Legal); + setOperationAction(ISD::BITCAST, MVT::i32, Legal); + setOperationAction(ISD::BITCAST, MVT::i64, Legal); + setOperationAction(ISD::BITCAST, MVT::f64, Legal); + } else { + setOperationAction(ISD::BITCAST, MVT::f32, Expand); + setOperationAction(ISD::BITCAST, MVT::i32, Expand); + setOperationAction(ISD::BITCAST, MVT::i64, Expand); + setOperationAction(ISD::BITCAST, MVT::f64, Expand); + } // We cannot sextinreg(i1). Expand to shifts. setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i1, Expand); diff --git a/llvm/lib/Target/PowerPC/PPCInstrVSX.td b/llvm/lib/Target/PowerPC/PPCInstrVSX.td index 1b3ffbfcee8..df1142cb42f 100644 --- a/llvm/lib/Target/PowerPC/PPCInstrVSX.td +++ b/llvm/lib/Target/PowerPC/PPCInstrVSX.td @@ -1759,3 +1759,27 @@ let Predicates = [IsLittleEndian, HasDirectMove] in { def : Pat<(i64 (vector_extract v2i64:$S, i64:$Idx)), (i64 VectorExtractions.LE_VARIABLE_DWORD)>; } // IsLittleEndian, HasDirectMove + +let Predicates = [HasDirectMove, HasVSX] in { +// bitconvert f32 -> i32 +// (convert to 32-bit fp single, shift right 1 word, move to GPR) +def : Pat<(i32 (bitconvert f32:$S)), + (i32 (MFVSRWZ (EXTRACT_SUBREG + (XXSLDWI (XSCVDPSPN $S),(XSCVDPSPN $S), 3), + sub_64)))>; +// bitconvert i32 -> f32 +// (move to FPR, shift left 1 word, convert to 64-bit fp single) +def : Pat<(f32 (bitconvert i32:$A)), + (f32 (XSCVSPDPN + (XXSLDWI MovesToVSR.LE_WORD_1, MovesToVSR.LE_WORD_1, 1)))>; + +// bitconvert f64 -> i64 +// (move to GPR, nothing else needed) +def : Pat<(i64 (bitconvert f64:$S)), + (i64 (MFVSRD $S))>; + +// bitconvert i64 -> f64 +// (move to FPR, nothing else needed) +def : Pat<(f64 (bitconvert i64:$S)), + (f64 (MTVSRD $S))>; +} diff --git a/llvm/lib/Target/PowerPC/PPCVSXCopy.cpp b/llvm/lib/Target/PowerPC/PPCVSXCopy.cpp index 11ee3051f98..782583ce342 100644 --- a/llvm/lib/Target/PowerPC/PPCVSXCopy.cpp +++ b/llvm/lib/Target/PowerPC/PPCVSXCopy.cpp @@ -81,6 +81,10 @@ namespace { return IsRegInClass(Reg, &PPC::VSFRCRegClass, MRI); } + bool IsVSSReg(unsigned Reg, MachineRegisterInfo &MRI) { + return IsRegInClass(Reg, &PPC::VSSRCRegClass, MRI); + } + protected: bool processBlock(MachineBasicBlock &MBB) { bool Changed = false; @@ -105,6 +109,7 @@ protected: &PPC::VSLRCRegClass; assert((IsF8Reg(SrcMO.getReg(), MRI) || IsVRReg(SrcMO.getReg(), MRI) || + IsVSSReg(SrcMO.getReg(), MRI) || IsVSFReg(SrcMO.getReg(), MRI)) && "Unknown source for a VSX copy"); @@ -129,6 +134,7 @@ protected: &PPC::VSLRCRegClass; assert((IsF8Reg(DstMO.getReg(), MRI) || IsVSFReg(DstMO.getReg(), MRI) || + IsVSSReg(DstMO.getReg(), MRI) || IsVRReg(DstMO.getReg(), MRI)) && "Unknown destination for a VSX copy"); |
