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fix Allocas. Really. I mean it this time. 

llvm-svn: 20306
This commit is contained in:
Andrew Lenharth 2005-02-24 18:36:32 +00:00
parent f3102c287d
commit 904650cdd0
1 changed files with 6 additions and 1 deletions
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7
llvm/lib/Target/Alpha/AlphaRegisterInfo.cpp
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@ -220,7 +220,8 @@ void AlphaRegisterInfo::emitPrologue(MachineFunction &MF) const {
// brackets around call sites.
//If there is a frame pointer, then we don't do this
NumBytes += MFI->getMaxCallFrameSize();
std::cerr << "Added " << MFI->getMaxCallFrameSize() << " to the stack due to calls\n";
DEBUG(std::cerr << "Added " << MFI->getMaxCallFrameSize()
<< " to the stack due to calls\n");
}
if (FP)
@ -274,6 +275,10 @@ void AlphaRegisterInfo::emitEpilogue(MachineFunction &MF,
//now if we need to, restore the old FP
if (FP)
{
//copy the FP into the SP (discards allocas)
MI=BuildMI(Alpha::BIS, 2, Alpha::R30).addReg(Alpha::R15).addReg(Alpha::R15);
MBB.insert(MBBI, MI);
//restore the FP
MI=BuildMI(Alpha::LDQ, 2, Alpha::R15).addImm(0).addReg(Alpha::R15);
MBB.insert(MBBI, MI);
}