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From: Jakub Jelinek <jakub@redhat.com>
To: Jan Hubicka <hubicka@ucw.cz>
Cc: "Fang, Changpeng" <Changpeng.Fang@amd.com>,
	       Uros Bizjak <ubizjak@gmail.com>,
	       "gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>,
	       "rguenther@suse.de" <rguenther@suse.de>
Subject: Re: [PATCH, i386] Enable -mprefer-avx128 by default for Bulldozer
Date: Wed, 29 Jun 2011 08:18:00 -0000	[thread overview]
Message-ID: <20110629075651.GL16443@tyan-ft48-01.lab.bos.redhat.com> (raw)
In-Reply-To: <20110629074952.GC6325@kam.mff.cuni.cz>

On Wed, Jun 29, 2011 at 09:49:52AM +0200, Jan Hubicka wrote:
> > 	* config/i386/i386.opt (mprefer-avx128): Redefine the flag as a Mask option.
> > 
> > 	* config/i386/i386.h (ix86_tune_indices): Add X86_TUNE_AVX128_OPTIMAL entry.
> > 	(TARGET_AVX128_OPTIMAL): New definition.
> > 
> > 	* config/i386/i386.c (initial_ix86_tune_features): Initialize
> > 	X86_TUNE_AVX128_OPTIMAL entry.
> > 	(ix86_option_override_internal): Enable the generation
> > 	of the 128-bit instructions when TARGET_AVX128_OPTIMAL is set.
> > 	(ix86_preferred_simd_mode): Use TARGET_PREFER_AVX128.
> > 	(ix86_autovectorize_vector_sizes): Use TARGET_PREFER_AVX128.
> 
> OK for mainline.  For 4.6 it is RM's call.

For 4.6 it is fine as well.

	Jakub

      reply	other threads:[~2011-06-29  7:57 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-23 20:48 Fang, Changpeng
2011-06-23 21:33 ` Jakub Jelinek
2011-06-24  0:14 ` Jan Hubicka
2011-06-25  6:41   ` Fang, Changpeng
2011-06-27 23:25     ` Fang, Changpeng
2011-06-28 22:43       ` Fang, Changpeng
2011-06-29  8:14         ` Jan Hubicka
2011-06-29  8:18           ` Jakub Jelinek [this message]

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