diff options
| -rw-r--r-- | lib/Target/PowerPC/PowerPCRegisterInfo.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Target/PowerPC/PowerPCRegisterInfo.cpp b/lib/Target/PowerPC/PowerPCRegisterInfo.cpp index 42f2d3e9e8..7607a05824 100644 --- a/lib/Target/PowerPC/PowerPCRegisterInfo.cpp +++ b/lib/Target/PowerPC/PowerPCRegisterInfo.cpp @@ -210,9 +210,11 @@ void PowerPCRegisterInfo::emitPrologue(MachineFunction &MF) const { // Do we need to allocate space on the stack? if (NumBytes == 0) return; - // Round the size to a multiple of the alignment + // Add the size of R1 to NumBytes size for the store of R1 to the bottom + // of the stack and round the size to a multiple of the alignment. unsigned Align = MF.getTarget().getFrameInfo()->getStackAlignment(); - NumBytes = (NumBytes+Align-1)/Align*Align; + unsigned Size = getRegClass(PPC32::R1)->getSize(); + NumBytes = (NumBytes+Size+Align-1)/Align*Align; // Update frame info to pretend that this is part of the stack... MFI->setStackSize(NumBytes); |