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Cleanup PPC CR-spill kill flags and 32- vs. 64-bit instructions

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There were a few places where kill flags were not being set correctly, and
where 32-bit instruction variants were being used with 64-bit registers. After
r178180, this code was being triggered causing llc to assert.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178220 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Hal Finkel
2013-03-28 03:38:16 +00:00
parent d01efc737a
commit d957f957ee
4 changed files with 420 additions and 12 deletions
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4
lib/Target/PowerPC/PPCRegisterInfo.cpp
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@@ -334,7 +334,7 @@ void PPCRegisterInfo::lowerCRSpilling(MachineBasicBlock::iterator II,
}
addFrameReference(BuildMI(MBB, II, dl, TII.get(LP64 ? PPC::STW8 : PPC::STW))
.addReg(Reg, getKillRegState(MI.getOperand(1).getImm())),
.addReg(Reg, RegState::Kill),
FrameIndex);
// Discard the pseudo instruction.
@@ -399,7 +399,7 @@ void PPCRegisterInfo::lowerVRSAVESpilling(MachineBasicBlock::iterator II,
.addReg(SrcReg, getKillRegState(MI.getOperand(0).isKill()));
addFrameReference(BuildMI(MBB, II, dl, TII.get(PPC::STW))
.addReg(Reg, getKillRegState(MI.getOperand(1).getImm())),
.addReg(Reg, RegState::Kill),
FrameIndex);
// Discard the pseudo instruction.