From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 14358 invoked by alias); 12 Oct 2011 15:27:11 -0000 Received: (qmail 14349 invoked by uid 22791); 12 Oct 2011 15:27:10 -0000 X-SWARE-Spam-Status: No, hits=-2.9 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Wed, 12 Oct 2011 15:26:57 +0000 From: "matz at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/49279] [4.5 Regression] Optimization incorrectly presuming constant variable inside loop in g++ 4.5 and 4.6 with -O2 and -O3 for x86_64 targets Date: Wed, 12 Oct 2011 15:27:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: major X-Bugzilla-Who: matz at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.5.4 X-Bugzilla-Changed-Fields: CC 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: 2011-10/txt/msg01124.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49279 Michael Matz changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |matz at gcc dot gnu.org --- Comment #18 from Michael Matz 2011-10-12 15:26:54 UTC --- I'm working on the ADD_RESTRICT idea implementation now.