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PEI is now responsible for adding MaxCallFrameSize to frame size and align the stack. Each target can further adjust the frame size if necessary.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33460 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2007-01-23 09:38:11 +00:00
parent c970812283
commit 367372a30c
5 changed files with 16 additions and 50 deletions
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15
lib/Target/ARM/ARMRegisterInfo.cpp
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@@ -915,21 +915,6 @@ void ARMRegisterInfo::emitPrologue(MachineFunction &MF) const {
}
}
// If necessary, add one more SUBri to account for the call frame
// and/or local storage, alloca area.
if (MFI->hasCalls() || MF.getFrameInfo()->hasVarSizedObjects()) {
// We reserve argument space for call sites in the function immediately on
// entry to the current function. This eliminates the need for add/sub
// brackets around call sites.
if (!hasFP(MF))
NumBytes += MFI->getMaxCallFrameSize();
// Round the size to a multiple of the alignment.
NumBytes = (NumBytes+Align-1)/Align*Align;
}
MFI->setStackSize(NumBytes);
// Determine starting offsets of spill areas.
if (AFI->hasStackFrame()) {
unsigned DPRCSOffset = NumBytes - (GPRCS1Size + GPRCS2Size + DPRCSSize);