Subject: Re: [PATCH] powerpc: add vr save/restore functions

From: Michael Ellerman <[email-masked]>
Date: Thu, 09 Jan 2014 11:09:55 +1100

On Wed, 2014-01-08 at 10:54 +0100, Andreas Schwab wrote:
> Michael Ellerman <[email-masked]> writes:
> 
> > On Mon, 2013-12-30 at 15:31 +0100, Andreas Schwab wrote:
> >> GCC 4.8 now generates out-of-line vr save/restore functions when
> >> optimizing for size.  They are needed for the raid6 altivec support.
> >
> > It looks like they're identical for 32 & 64-bit ?
> 
> They use different temporary registers and calling conventions (no .opd
> for ppc64).

Yeah, sorry, you'd think I could spot the difference between r11 and r12.

cheers