On Wed, Apr 24, 2019 at 9:31 AM Ian Lance Taylor <i...@golang.org> wrote:
>
> On Tue, Apr 23, 2019 at 1:27 AM CHIGOT, CLEMENT <clement.chi...@atos.net> 
> wrote:
> >
> > Description:
> >   * This patch removes -mvsx and -maltivec for go aix/ppc.
> >      These options don't seem compatible with Go stack layout.
> >
> > Tests:
> >   * AIX 7.2:  Configure/Build: SUCCESS
> >
> > Changelog:
> >   * config/rs6000/aix71.h (SUBTARGET_OVERRIDE_OPTIONS): Remove 
> > OPTION_MASK_VSX
> >      and OPTION_MASK_ALTIVEC from rs6000_isa_flags with Go on 32 bits.
> >   * config/rs6000/aix72.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
>
> I still don't understand why there is a problem here.  When using
> gccgo the "Go stack layout" is exactly the same as the C stack layout.
> But this patch is fine with me if it's OK with the AIX maintainers.

There is an underlying problem that Clement has not yet found.  This
is a workaround.

I will test the patch in my build.

Thanks, David

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