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Fix stack size processing now that the return address isn't an implied

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push onto the top of the stack like x86, which uses the local area
offset.  This will allow the removal of PowerPCPEI.cpp soon.

llvm-svn: 15573
This commit is contained in:
Reid Spencer 2004-08-09 01:24:32 +00:00
parent b588051065
commit 8bf21cd984
1 changed files with 4 additions and 2 deletions
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6
lib/Target/PowerPC/PowerPCRegisterInfo.cpp
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@ -210,9 +210,11 @@ void PowerPCRegisterInfo::emitPrologue(MachineFunction &MF) const {
// Do we need to allocate space on the stack?
if (NumBytes == 0) return;
// Round the size to a multiple of the alignment
// Add the size of R1 to NumBytes size for the store of R1 to the bottom
// of the stack and round the size to a multiple of the alignment.
unsigned Align = MF.getTarget().getFrameInfo()->getStackAlignment();
NumBytes = (NumBytes+Align-1)/Align*Align;
unsigned Size = getRegClass(PPC32::R1)->getSize();
NumBytes = (NumBytes+Size+Align-1)/Align*Align;
// Update frame info to pretend that this is part of the stack...
MFI->setStackSize(NumBytes);