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eliminate unnecessary reset of SP in epilog on darwin

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llvm-svn: 34824
This commit is contained in:
Dale Johannesen 2007-03-02 01:17:17 +00:00
parent 2814c17704
commit a6003a9eb6
1 changed files with 1 additions and 1 deletions
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2
lib/Target/ARM/ARMRegisterInfo.cpp
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@ -1290,7 +1290,7 @@ void ARMRegisterInfo::emitEpilogue(MachineFunction &MF,
} else {
// Darwin ABI requires FP to point to the stack slot that contains the
// previous FP.
if (STI.isTargetDarwin() || hasFP(MF)) {
if ((STI.isTargetDarwin() && NumBytes) || hasFP(MF)) {
NumBytes = AFI->getFramePtrSpillOffset() - NumBytes;
// Reset SP based on frame pointer only if the stack frame extends beyond
// frame pointer stack slot or target is ELF and the function has FP.