This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: [PATCH][RFC] Do some vectorizer-friendly canonicalization before vectorization


Richard Guenther <rguenther@suse.de> wrote on 24/11/2006 12:00:38:

...

> > (by the way - do you know why we have that cast from float to double?
I'm
> > thinking - if this test actually requires support for doubles, we might
as
> > well go back and enable this test for vect_double targets only? Anyhow,
> > while this would work around the ppc failure above, it won't solve the
> > above failure for x86, for which we also don't reach the "pattern
> > recognized").
>
> I think the cast may be because powf is C99 or the ppc target you are
> testing doesn't have it at all?

I see the same thing on x86

> Does it work for you if you enable
> -std=c99?
>

-std=c99 doesn't make a difference...

dorit

> Richard.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]