From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 17116 invoked by alias); 3 Sep 2012 20:32:23 -0000 Received: (qmail 17108 invoked by uid 22791); 3 Sep 2012 20:32:23 -0000 X-SWARE-Spam-Status: No, hits=-4.3 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,KHOP_THREADED 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; Mon, 03 Sep 2012 20:32:10 +0000 From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/53395] [4.8 Regression] The LAPACK functions i(d|s)amax are more than two times slower after revision 187183 Date: Mon, 03 Sep 2012 20:32:00 -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: 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: 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: 2012-09/txt/msg00205.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53395 --- Comment #10 from Andrew Pinski 2012-09-03 20:31:55 UTC --- Author: pinskia Date: Mon Sep 3 20:31:52 2012 New Revision: 190904 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190904 Log: 2012-09-03 Andrew Pinski PR tree-opt/53395 * tree-if-conv.c (constant_or_ssa_name): New function. (fold_build_cond_expr): New function. (predicate_scalar_phi): Use fold_build_cond_expr instead of build3. (predicate_mem_writes): Likewise. Modified: trunk/gcc/ChangeLog trunk/gcc/tree-if-conv.c