diff options
Diffstat (limited to 'llvm/lib/Target/PowerPC/PPCInstrInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCInstrInfo.cpp | 38 |
1 files changed, 8 insertions, 30 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp index 71683d747f4..21e6248ffdf 100644 --- a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp +++ b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp @@ -443,37 +443,15 @@ PPCInstrInfo::StoreRegToStackSlot(MachineFunction &MF, bool &NonRI) const{ DebugLoc DL; if (PPC::GPRCRegClass.hasSubClassEq(RC)) { - if (SrcReg != PPC::LR) { - NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::STW)) - .addReg(SrcReg, - getKillRegState(isKill)), - FrameIdx)); - } else { - // FIXME: this spills LR immediately to memory in one step. To do this, - // we use R11, which we know cannot be used in the prolog/epilog. This is - // a hack. - NewMIs.push_back(BuildMI(MF, DL, get(PPC::MFLR), PPC::R11)); - NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::STW)) - .addReg(PPC::R11, - getKillRegState(isKill)), - FrameIdx)); - } + NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::STW)) + .addReg(SrcReg, + getKillRegState(isKill)), + FrameIdx)); } else if (PPC::G8RCRegClass.hasSubClassEq(RC)) { - if (SrcReg != PPC::LR8) { - NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::STD)) - .addReg(SrcReg, - getKillRegState(isKill)), - FrameIdx)); - } else { - // FIXME: this spills LR immediately to memory in one step. To do this, - // we use X11, which we know cannot be used in the prolog/epilog. This is - // a hack. - NewMIs.push_back(BuildMI(MF, DL, get(PPC::MFLR8), PPC::X11)); - NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::STD)) - .addReg(PPC::X11, - getKillRegState(isKill)), - FrameIdx)); - } + NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::STD)) + .addReg(SrcReg, + getKillRegState(isKill)), + FrameIdx)); } else if (PPC::F8RCRegClass.hasSubClassEq(RC)) { NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::STFD)) .addReg(SrcReg, |
