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Re: [patch, x86] Improve memcpy/memset strategy for Skylake.

From: Uros Bizjak <ubizjak at gmail dot com>
To: "Koval, Julia" <julia dot koval at intel dot com>
Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>
Date: Thu, 19 Jul 2018 08:11:54 +0200
Subject: Re: [patch, x86] Improve memcpy/memset strategy for Skylake.
References: <4E89A029A0F8D443B436A5167BA3C53F8A72361D@IRSMSX101.ger.corp.intel.com>

On Thu, Jul 19, 2018 at 7:00 AM, Koval, Julia <julia.koval@intel.com> wrote:
> Hi,
> This patch improves memset/memcpy strategy for Skylake. Ok for trunk?

Is this patch based on some benchmark data?

Uros.

>         * gcc/config/i386/x86-tune-costs.h (skylake_memcpy,
>         skylake_memcpy): Replace rep_prefix with unrolling on 512.
>
> Thanks,
> Julia
>

Follow-Ups:
- RE: [patch, x86] Improve memcpy/memset strategy for Skylake.
  - From: Koval, Julia

References:
- [patch, x86] Improve memcpy/memset strategy for Skylake.
  - From: Koval, Julia

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