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RE: [PATCH, i386] Enable option -mprefer-avx256 added for Intel AVX512 configuration

Uros,

This is the ChangeLog

2017-09-20  Sergey Shalnov  sergey.shalnov@intel.com
* config/i386/i386.opt (mprefer-avx256): command line documentation added for -mprefer-avx256
* config/i386/i386.c (ix86_preferred_simd_mode): Prefer 256-bit AVX modes when the flag -mprefer-avx256 is on.
* doc/invoke.texi Documentation about new option -mprefer-avx256
* testsuite/g++.dg/ext/pr57362.C Added test for __attribute__((target("prefer-avx256")))
* testsuite/gcc.target/i386/avx512f-prefer.c New test added for the option -mprefer-avx256

Sergey

-----Original Message-----
From: Uros Bizjak [mailto:ubizjak@gmail.com] 
Sent: Wednesday, September 20, 2017 3:51 PM
To: Shalnov, Sergey <sergey.shalnov@intel.com>
Cc: gcc-patches@gcc.gnu.org; kirill.yukhin@gmail.com; Koval, Julia <julia.koval@intel.com>; Senkevich, Andrew <andrew.senkevich@intel.com>
Subject: Re: [PATCH, i386] Enable option -mprefer-avx256 added for Intel AVX512 configuration

On Wed, Sep 20, 2017 at 10:48 AM, Shalnov, Sergey <sergey.shalnov@intel.com> wrote:
> Uros,
> Could you please merge the patch into mainline?

Please send updated ChangeLog that describes all changes in the patch.

Uros.
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