diff options
Diffstat (limited to 'lib/Target/PowerPC/PPCFrameLowering.cpp')
| -rw-r--r-- | lib/Target/PowerPC/PPCFrameLowering.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/Target/PowerPC/PPCFrameLowering.cpp b/lib/Target/PowerPC/PPCFrameLowering.cpp index d846365..24d3a0b 100644 --- a/lib/Target/PowerPC/PPCFrameLowering.cpp +++ b/lib/Target/PowerPC/PPCFrameLowering.cpp @@ -1237,8 +1237,12 @@ PPCFrameLowering::addScavengingSpillSlot(MachineFunction &MF, RC->getAlignment(), false)); + // Might we have over-aligned allocas? + bool HasAlVars = MFI->hasVarSizedObjects() && + MFI->getMaxAlignment() > getStackAlignment(); + // These kinds of spills might need two registers. - if (spillsCR(MF) || spillsVRSAVE(MF)) + if (spillsCR(MF) || spillsVRSAVE(MF) || HasAlVars) RS->addScavengingFrameIndex(MFI->CreateStackObject(RC->getSize(), RC->getAlignment(), false)); |