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| author | Bill Wendling <isanbard@gmail.com> | 2009-09-03 22:19:22 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2009-09-03 22:19:22 +0000 |
| commit | ea0185fe916ce46bfcc18be63e396c54036ef091 (patch) | |
| tree | f4a146c49595eed9f8d382ec12872d9ca46d8cf1 /llvm | |
| parent | 2a53b30f6d938c17cca0ce578fee0f4e301565c4 (diff) | |
| download | bcm5719-llvm-ea0185fe916ce46bfcc18be63e396c54036ef091.tar.gz bcm5719-llvm-ea0185fe916ce46bfcc18be63e396c54036ef091.zip | |
If we've pushed registers onto the stack, but aren't adjusting the stack pointer
(i.e., there are no local variables and stuff), we still need to output FDE
information for the pushed registers.
llvm-svn: 80960
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Target/X86/X86RegisterInfo.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86RegisterInfo.cpp b/llvm/lib/Target/X86/X86RegisterInfo.cpp index 5d1ee17c37a..76d2b97bf9f 100644 --- a/llvm/lib/Target/X86/X86RegisterInfo.cpp +++ b/llvm/lib/Target/X86/X86RegisterInfo.cpp @@ -1086,12 +1086,12 @@ void X86RegisterInfo::emitPrologue(MachineFunction &MF) const { emitSPUpdate(MBB, MBBI, StackPtr, -(int64_t)NumBytes, Is64Bit, TII); } - if (NumBytes && needsFrameMoves) { + if ((NumBytes || PushedRegs) && needsFrameMoves) { // Mark end of stack pointer adjustment. unsigned LabelId = MMI->NextLabelID(); BuildMI(MBB, MBBI, DL, TII.get(X86::DBG_LABEL)).addImm(LabelId); - if (!HasFP) { + if (!HasFP && NumBytes) { // Define the current CFA rule to use the provided offset. if (StackSize) { MachineLocation SPDst(MachineLocation::VirtualFP); |
