diff options
| author | ed <ed@FreeBSD.org> | 2009-07-04 13:58:26 +0000 |
|---|---|---|
| committer | ed <ed@FreeBSD.org> | 2009-07-04 13:58:26 +0000 |
| commit | 72621d11de5b873f1695f391eb95f0b336c3d2d4 (patch) | |
| tree | 84360c8989c912127a383af37c4b1aa5767bd16e /lib/Target/PowerPC/PPCInstrInfo.cpp | |
| parent | cf5cd875b51255602afaed29deb636b66b295671 (diff) | |
| download | FreeBSD-src-72621d11de5b873f1695f391eb95f0b336c3d2d4.zip FreeBSD-src-72621d11de5b873f1695f391eb95f0b336c3d2d4.tar.gz | |
Import LLVM 74788.
Diffstat (limited to 'lib/Target/PowerPC/PPCInstrInfo.cpp')
| -rw-r--r-- | lib/Target/PowerPC/PPCInstrInfo.cpp | 84 |
1 files changed, 60 insertions, 24 deletions
diff --git a/lib/Target/PowerPC/PPCInstrInfo.cpp b/lib/Target/PowerPC/PPCInstrInfo.cpp index 778f034..87c612a 100644 --- a/lib/Target/PowerPC/PPCInstrInfo.cpp +++ b/lib/Target/PowerPC/PPCInstrInfo.cpp @@ -444,21 +444,29 @@ PPCInstrInfo::StoreRegToStackSlot(MachineFunction &MF, // not cause any bug. If we need other uses of CR bits, the following // code may be invalid. unsigned Reg = 0; - if (SrcReg >= PPC::CR0LT || SrcReg <= PPC::CR0UN) + if (SrcReg == PPC::CR0LT || SrcReg == PPC::CR0GT || + SrcReg == PPC::CR0EQ || SrcReg == PPC::CR0UN) Reg = PPC::CR0; - else if (SrcReg >= PPC::CR1LT || SrcReg <= PPC::CR1UN) + else if (SrcReg == PPC::CR1LT || SrcReg == PPC::CR1GT || + SrcReg == PPC::CR1EQ || SrcReg == PPC::CR1UN) Reg = PPC::CR1; - else if (SrcReg >= PPC::CR2LT || SrcReg <= PPC::CR2UN) + else if (SrcReg == PPC::CR2LT || SrcReg == PPC::CR2GT || + SrcReg == PPC::CR2EQ || SrcReg == PPC::CR2UN) Reg = PPC::CR2; - else if (SrcReg >= PPC::CR3LT || SrcReg <= PPC::CR3UN) + else if (SrcReg == PPC::CR3LT || SrcReg == PPC::CR3GT || + SrcReg == PPC::CR3EQ || SrcReg == PPC::CR3UN) Reg = PPC::CR3; - else if (SrcReg >= PPC::CR4LT || SrcReg <= PPC::CR4UN) + else if (SrcReg == PPC::CR4LT || SrcReg == PPC::CR4GT || + SrcReg == PPC::CR4EQ || SrcReg == PPC::CR4UN) Reg = PPC::CR4; - else if (SrcReg >= PPC::CR5LT || SrcReg <= PPC::CR5UN) + else if (SrcReg == PPC::CR5LT || SrcReg == PPC::CR5GT || + SrcReg == PPC::CR5EQ || SrcReg == PPC::CR5UN) Reg = PPC::CR5; - else if (SrcReg >= PPC::CR6LT || SrcReg <= PPC::CR6UN) + else if (SrcReg == PPC::CR6LT || SrcReg == PPC::CR6GT || + SrcReg == PPC::CR6EQ || SrcReg == PPC::CR6UN) Reg = PPC::CR6; - else if (SrcReg >= PPC::CR7LT || SrcReg <= PPC::CR7UN) + else if (SrcReg == PPC::CR7LT || SrcReg == PPC::CR7GT || + SrcReg == PPC::CR7EQ || SrcReg == PPC::CR7UN) Reg = PPC::CR7; return StoreRegToStackSlot(MF, Reg, isKill, FrameIdx, @@ -587,21 +595,29 @@ PPCInstrInfo::LoadRegFromStackSlot(MachineFunction &MF, DebugLoc DL, } else if (RC == PPC::CRBITRCRegisterClass) { unsigned Reg = 0; - if (DestReg >= PPC::CR0LT || DestReg <= PPC::CR0UN) + if (DestReg == PPC::CR0LT || DestReg == PPC::CR0GT || + DestReg == PPC::CR0EQ || DestReg == PPC::CR0UN) Reg = PPC::CR0; - else if (DestReg >= PPC::CR1LT || DestReg <= PPC::CR1UN) + else if (DestReg == PPC::CR1LT || DestReg == PPC::CR1GT || + DestReg == PPC::CR1EQ || DestReg == PPC::CR1UN) Reg = PPC::CR1; - else if (DestReg >= PPC::CR2LT || DestReg <= PPC::CR2UN) + else if (DestReg == PPC::CR2LT || DestReg == PPC::CR2GT || + DestReg == PPC::CR2EQ || DestReg == PPC::CR2UN) Reg = PPC::CR2; - else if (DestReg >= PPC::CR3LT || DestReg <= PPC::CR3UN) + else if (DestReg == PPC::CR3LT || DestReg == PPC::CR3GT || + DestReg == PPC::CR3EQ || DestReg == PPC::CR3UN) Reg = PPC::CR3; - else if (DestReg >= PPC::CR4LT || DestReg <= PPC::CR4UN) + else if (DestReg == PPC::CR4LT || DestReg == PPC::CR4GT || + DestReg == PPC::CR4EQ || DestReg == PPC::CR4UN) Reg = PPC::CR4; - else if (DestReg >= PPC::CR5LT || DestReg <= PPC::CR5UN) + else if (DestReg == PPC::CR5LT || DestReg == PPC::CR5GT || + DestReg == PPC::CR5EQ || DestReg == PPC::CR5UN) Reg = PPC::CR5; - else if (DestReg >= PPC::CR6LT || DestReg <= PPC::CR6UN) + else if (DestReg == PPC::CR6LT || DestReg == PPC::CR6GT || + DestReg == PPC::CR6EQ || DestReg == PPC::CR6UN) Reg = PPC::CR6; - else if (DestReg >= PPC::CR7LT || DestReg <= PPC::CR7UN) + else if (DestReg == PPC::CR7LT || DestReg == PPC::CR7GT || + DestReg == PPC::CR7EQ || DestReg == PPC::CR7UN) Reg = PPC::CR7; return LoadRegFromStackSlot(MF, DL, Reg, FrameIdx, @@ -691,16 +707,21 @@ MachineInstr *PPCInstrInfo::foldMemoryOperandImpl(MachineFunction &MF, if (OpNum == 0) { // move -> store unsigned InReg = MI->getOperand(1).getReg(); bool isKill = MI->getOperand(1).isKill(); + bool isUndef = MI->getOperand(1).isUndef(); NewMI = addFrameReference(BuildMI(MF, MI->getDebugLoc(), get(PPC::STW)) - .addReg(InReg, getKillRegState(isKill)), + .addReg(InReg, + getKillRegState(isKill) | + getUndefRegState(isUndef)), FrameIndex); } else { // move -> load unsigned OutReg = MI->getOperand(0).getReg(); bool isDead = MI->getOperand(0).isDead(); + bool isUndef = MI->getOperand(0).isUndef(); NewMI = addFrameReference(BuildMI(MF, MI->getDebugLoc(), get(PPC::LWZ)) .addReg(OutReg, RegState::Define | - getDeadRegState(isDead)), + getDeadRegState(isDead) | + getUndefRegState(isUndef)), FrameIndex); } } else if ((Opc == PPC::OR8 && @@ -708,48 +729,63 @@ MachineInstr *PPCInstrInfo::foldMemoryOperandImpl(MachineFunction &MF, if (OpNum == 0) { // move -> store unsigned InReg = MI->getOperand(1).getReg(); bool isKill = MI->getOperand(1).isKill(); + bool isUndef = MI->getOperand(1).isUndef(); NewMI = addFrameReference(BuildMI(MF, MI->getDebugLoc(), get(PPC::STD)) - .addReg(InReg, getKillRegState(isKill)), + .addReg(InReg, + getKillRegState(isKill) | + getUndefRegState(isUndef)), FrameIndex); } else { // move -> load unsigned OutReg = MI->getOperand(0).getReg(); bool isDead = MI->getOperand(0).isDead(); + bool isUndef = MI->getOperand(0).isUndef(); NewMI = addFrameReference(BuildMI(MF, MI->getDebugLoc(), get(PPC::LD)) .addReg(OutReg, RegState::Define | - getDeadRegState(isDead)), + getDeadRegState(isDead) | + getUndefRegState(isUndef)), FrameIndex); } } else if (Opc == PPC::FMRD) { if (OpNum == 0) { // move -> store unsigned InReg = MI->getOperand(1).getReg(); bool isKill = MI->getOperand(1).isKill(); + bool isUndef = MI->getOperand(1).isUndef(); NewMI = addFrameReference(BuildMI(MF, MI->getDebugLoc(), get(PPC::STFD)) - .addReg(InReg, getKillRegState(isKill)), + .addReg(InReg, + getKillRegState(isKill) | + getUndefRegState(isUndef)), FrameIndex); } else { // move -> load unsigned OutReg = MI->getOperand(0).getReg(); bool isDead = MI->getOperand(0).isDead(); + bool isUndef = MI->getOperand(0).isUndef(); NewMI = addFrameReference(BuildMI(MF, MI->getDebugLoc(), get(PPC::LFD)) .addReg(OutReg, RegState::Define | - getDeadRegState(isDead)), + getDeadRegState(isDead) | + getUndefRegState(isUndef)), FrameIndex); } } else if (Opc == PPC::FMRS) { if (OpNum == 0) { // move -> store unsigned InReg = MI->getOperand(1).getReg(); bool isKill = MI->getOperand(1).isKill(); + bool isUndef = MI->getOperand(1).isUndef(); NewMI = addFrameReference(BuildMI(MF, MI->getDebugLoc(), get(PPC::STFS)) - .addReg(InReg, getKillRegState(isKill)), + .addReg(InReg, + getKillRegState(isKill) | + getUndefRegState(isUndef)), FrameIndex); } else { // move -> load unsigned OutReg = MI->getOperand(0).getReg(); bool isDead = MI->getOperand(0).isDead(); + bool isUndef = MI->getOperand(0).isUndef(); NewMI = addFrameReference(BuildMI(MF, MI->getDebugLoc(), get(PPC::LFS)) .addReg(OutReg, RegState::Define | - getDeadRegState(isDead)), + getDeadRegState(isDead) | + getUndefRegState(isUndef)), FrameIndex); } } |
