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Don't hard code the offset of the saved R31 in functions with frame pointers

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llvm-svn: 15990
This commit is contained in:
Nate Begeman 2004-08-22 08:09:17 +00:00
parent 3d24bdbb1d
commit 72ec463dc7
1 changed files with 2 additions and 1 deletions
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3
lib/Target/PowerPC/PPC32RegisterInfo.cpp
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@ -278,12 +278,13 @@ void PPC32RegisterInfo::emitEpilogue(MachineFunction &MF,
// Get the number of bytes allocated from the FrameInfo...
unsigned NumBytes = MFI->getStackSize();
unsigned GPRSize = getSpillSize(PPC::R31);
if (NumBytes != 0) {
if (hasFP(MF)) {
MI = BuildMI(PPC::OR, 2, PPC::R1).addReg(PPC::R31).addReg(PPC::R31);
MBB.insert(MBBI, MI);
MI = BuildMI(PPC::LWZ, 2, PPC::R31).addSImm(4).addReg(PPC::R31);
MI = BuildMI(PPC::LWZ, 2, PPC::R31).addSImm(GPRSize).addReg(PPC::R31);
MBB.insert(MBBI, MI);
}
MI = BuildMI(PPC::LWZ, 2, PPC::R1).addSImm(0).addReg(PPC::R1);