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eliminate unnecessary reset of SP in epilog on darwin

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34824 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen 2007-03-02 01:17:17 +00:00
parent 513d0f25ed
commit 9f8e50d4ed
1 changed files with 1 additions and 1 deletions
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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.