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, x86, AVX2] FP reassociation enabling for AVX2 targets


On Mon, Feb 18, 2013 at 7:44 PM, Igor Zamyatin <izamyatin@gmail.com> wrote:

> This small change enables FP reassociation for AVX2 processors. This
> gives ~+1.5% in performance geomean for spec2006FP tests.
>
> Bootstrapped/regtested on x86_64-linux, ok for trunk?
>
>
> 2013-02-14  Igor Zamyatin  <igor.zamyatin@intel.com>
>
>         * config/i386/i386.c (initial_ix86_tune_features): Turn on fp
>         reassociation for avx2 targets.

OK (it is a tuning patch).

Thanks,
Uros.


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