From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 15587 invoked by alias); 26 Feb 2012 00:50:25 -0000 Received: (qmail 15578 invoked by uid 22791); 26 Feb 2012 00:50:24 -0000 X-SWARE-Spam-Status: No, hits=-2.8 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; Sun, 26 Feb 2012 00:50:12 +0000 From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/37516] ~(-2 - a) is not being optimized into a + 1 Date: Sun, 26 Feb 2012 01:43:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: pinskia at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- 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: 2012-02/txt/msg02479.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37516 --- Comment #6 from Andrew Pinski 2012-02-26 00:49:54 UTC --- (In reply to comment #5) > I think def scanning is ok, but all SSA names should be "valueized" via > a hook first. I wrote up something quickly (but I want to improve it some more and a little more formal): http://gcc.gnu.org/wiki/SSACombine I am thinking about removing the _loc part of the name of the functions since there is no function which does not take a location_t.