On Fri, Feb 27, 2015 at 09:08:30AM +0100, Richard Biener wrote:
> On Fri, Feb 27, 2015 at 12:34 AM, Pat Haugen
> <pthau...@linux.vnet.ibm.com> wrote:
> > The subject testcase is failing on older powerpc64 hardware that doesn't
> > support vector instructions because the prolog code is saving callee save
> > vector registers used in the loop before the check_vect() call has even been
> > performed. Following was tested on powerpc64-linux. Ok for trunk/4.9 branch?
>
> Hum. So the whole check_vect business is unreliable on ppc64? I'd rather
> make sure to not run the tests at all on older ppc hardware then?
>
> Well. Ok.
I think the separate main containing just check_vect and call to a noinline
function is very much desirable, otherwise it works purely by accident if it
works at all, IMHO on all arches.
Jakub
