From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 3086 invoked by alias); 14 Nov 2012 16:48:03 -0000 Received: (qmail 2809 invoked by uid 55); 14 Nov 2012 16:47:45 -0000 From: "uros at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/47440] Use LCM for vzeroupper insertion Date: Wed, 14 Nov 2012 16:48:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Keywords: X-Bugzilla-Severity: enhancement X-Bugzilla-Who: uros at gcc dot gnu.org X-Bugzilla-Status: RESOLVED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: vbyakovl23 at gmail dot com X-Bugzilla-Target-Milestone: 4.8.0 X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2012-11/txt/msg01272.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47440 --- Comment #8 from uros at gcc dot gnu.org 2012-11-14 16:47:43 UTC --- Author: uros Date: Wed Nov 14 16:47:29 2012 New Revision: 193503 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193503 Log: PR target/47440 * config/i386/i386.c (gate_insert_vzeroupper): New function. (rest_of_handle_insert_vzeroupper): Ditto. (struct rtl_opt_pass pass_insert_vzeroupper): New. (ix86_option_override): Register vzeroupper insertion pass here. (ix86_check_avx256_register): Handle SUBREGs properly. (ix86_init_machine_status): Remove optimize_mode_switching[AVX_U128] initialization. Modified: trunk/gcc/ChangeLog trunk/gcc/config/i386/i386.c