[llvm-commits] CVS: llvm/lib/Target/PowerPC/PowerPCRegisterInfo.cpp

[Reid Spencer]

Whoops, forgot to give Nate credit for this commit. It certainly wasn't
me who fixed it :)

Reid.

On Sun, 2004-08-08 at 18:24, Reid Spencer wrote:
> Changes in directory llvm/lib/Target/PowerPC:
> 
> PowerPCRegisterInfo.cpp updated: 1.24 -> 1.25
> ---
> Log message:
> 
> Fix stack size processing now that the return address isn't an implied 
> push onto the top of the stack like x86, which uses the local area 
> offset.  This will allow the removal of PowerPCPEI.cpp soon.
> 
> 
> ---
> Diffs of the changes:  (+4 -2)
> 
> Index: llvm/lib/Target/PowerPC/PowerPCRegisterInfo.cpp
> diff -u llvm/lib/Target/PowerPC/PowerPCRegisterInfo.cpp:1.24 llvm/lib/Target/PowerPC/PowerPCRegisterInfo.cpp:1.25
> --- llvm/lib/Target/PowerPC/PowerPCRegisterInfo.cpp:1.24	Fri Aug  6 01:58:50 2004
> +++ llvm/lib/Target/PowerPC/PowerPCRegisterInfo.cpp	Sun Aug  8 20:24:32 2004
> @@ -210,9 +210,11 @@
>    // 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);
> 
> 
> 
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