diff options
| 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 | eb3a7665296bf35a8f5f4b17a9a4b9d20961dd84 (patch) | |
| tree | 39970667354c7fdaeed6b02f18df2a4d0822f9c3 | |
| parent | e56a94ef91009ddb8d8b68783ff1650bcad3b326 (diff) | |
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80960 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86RegisterInfo.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp index 5d1ee17c37..76d2b97bf9 100644 --- a/lib/Target/X86/X86RegisterInfo.cpp +++ b/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); |