On 14 Jan 12:36, Uros Bizjak wrote:
> On Wed, Jan 14, 2015 at 12:18 PM, Ilya Tocar <tocarip.in...@gmail.com> wrote:
> > Hi,
> >
> > This patch fixes https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64387
> > Which was caused by different in predicates between vec_unpacks_hi
> > and vec_extract_hi.
>
> Why are vec_unpacks_hi_{v8sf,v16sf} expanders different than
> vec_unpacks_hi_v4sf? I think that these should all be expand in the
> same way, similar to vec_unpacks_hi_v4sf.
>
In v4sf case we use movhlps, which is not avalible in v{8,16}sf case.
