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Re: [PATCH] Fix PR81175, make gather builtins pure
On Fri, 23 Jun 2017, Marc Glisse wrote:
> On Fri, 23 Jun 2017, Richard Biener wrote:
>
> > The vectorizer is confused about the spurious VDEFs that are caused
> > by gather vectorization so the following avoids them by making the
> > builtins pure appropriately.
> >
> > Bootstrap / regtest pending on x86_64-unknown-linux-gnu, ok for
> > trunk and branch?
> >
> > Thanks,
> > Richard.
> >
> > 2017-06-23 Richard Biener <rguenther@suse.de>
> >
> > PR target/81175
> > * config/i386/i386.c (struct builtin_isa): Add pure_p member.
> > (def_builtin2): Initialize pure_p.
> > (ix86_add_new_builtins): Honor pure_p.
> > (def_builtin_pure): New function.
>
> If you svn update (or equivalent), you will notice that the above is already
> available ;-)
Sorry, that was the GCC 7 variant of the patch ... just scrap the
already available pieces for trunk ;)
Richard.