diff options
| author | Chad Rosier <mcrosier@apple.com> | 2011-10-01 19:30:36 +0000 |
|---|---|---|
| committer | Chad Rosier <mcrosier@apple.com> | 2011-10-01 19:30:36 +0000 |
| commit | 2bfaf521aed6d486b2d80dbf12b84b456100cb47 (patch) | |
| tree | b77238d79c1de61d068c77ecab09ad224376fbeb /lib/Target/ARM/ARMFrameLowering.cpp | |
| parent | cbf26e3b574366fabfda50222817950b85517608 (diff) | |
| download | llvm-2bfaf521aed6d486b2d80dbf12b84b456100cb47.tar.gz llvm-2bfaf521aed6d486b2d80dbf12b84b456100cb47.tar.bz2 llvm-2bfaf521aed6d486b2d80dbf12b84b456100cb47.tar.xz | |
Revert r140924 "Attempt to fix dynamic stack realignment for thumb1 functions."
to appease nightly testers. Not quite there yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140953 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMFrameLowering.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMFrameLowering.cpp | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/lib/Target/ARM/ARMFrameLowering.cpp b/lib/Target/ARM/ARMFrameLowering.cpp index 4bac6c5fa9..2d1de6fe8e 100644 --- a/lib/Target/ARM/ARMFrameLowering.cpp +++ b/lib/Target/ARM/ARMFrameLowering.cpp @@ -881,12 +881,10 @@ ARMFrameLowering::processFunctionBeforeCalleeSavedScan(MachineFunction &MF, // for sure what the stack size will be, but for this, an estimate is good // enough. If there anything changes it, it'll be a spill, which implies // we've used all the registers and so R4 is already used, so not marking - // it here will be OK. Also spill R4 if Thumb1 function requires stack - // realignment. + // it here will be OK. // FIXME: It will be better just to find spare register here. unsigned StackSize = estimateStackSize(MF); - if (MFI->hasVarSizedObjects() || RegInfo->needsStackRealignment(MF) || - StackSize > 508) + if (MFI->hasVarSizedObjects() || StackSize > 508) MF.getRegInfo().setPhysRegUsed(ARM::R4); } |