From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 19278 invoked by alias); 13 Dec 2013 16:34:49 -0000 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 Received: (qmail 18935 invoked by uid 55); 13 Dec 2013 16:34:45 -0000 From: "law at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/45685] [4.7/4.8/4.9 Regression] missed conditional move opportunity in loop Date: Fri, 13 Dec 2013 16:34:00 -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-Version: 4.6.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: law at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: law at redhat dot com X-Bugzilla-Target-Milestone: 4.7.4 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2013-12/txt/msg01179.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45685 --- Comment #27 from Jeffrey A. Law --- Author: law Date: Fri Dec 13 16:34:39 2013 New Revision: 205963 URL: http://gcc.gnu.org/viewcvs?rev=205963&root=gcc&view=rev Log: PR tree-optimization/45685 * tree-ssa-phiopt.c (neg_replacement): New function. (tree_ssa_phiopt_worker): Call it. PR tree-optimization/45685 * gcc.dg/tree-ssa/pr45685.c: New test. Added: trunk/gcc/testsuite/gcc.dg/tree-ssa/pr45685.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-phiopt.c