From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 21030 invoked by alias); 21 Dec 2012 14:22:55 -0000 Received: (qmail 20930 invoked by uid 55); 21 Dec 2012 14:22:31 -0000 From: "hubicka at ucw dot cz" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/55334] [4.8 Regression] mgrid regression (ipa-cp disables vectorization) Date: Fri, 21 Dec 2012 14:22:00 -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: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: hubicka at ucw dot cz X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org 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: 2012-12/txt/msg02131.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55334 --- Comment #22 from Jan Hubicka 2012-12-21 14:22:28 UTC --- > There would be if we had ADD_RESTRICT or something similar. But we don't right > now, so supposedly it would be better to avoid such IPA-CP changes if it > removes restrict for now. We would also have to disable inlining of functions with restrict parameters (in mgrid case now both ipa-cp and inliner makes the regressions). I am not quite sure it is desirable behaviour. Honza