From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 31767 invoked by alias); 20 Jul 2011 13:37:41 -0000 Received: (qmail 31725 invoked by uid 22791); 20 Jul 2011 13:37:40 -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; Wed, 20 Jul 2011 13:37:27 +0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/18908] Missed folding opportunities with bools X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: RESOLVED X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.7.0 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 Date: Wed, 20 Jul 2011 13:37:00 -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 X-SW-Source: 2011-07/txt/msg01658.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18908 --- Comment #19 from Richard Guenther 2011-07-20 13:36:33 UTC --- Author: rguenth Date: Wed Jul 20 13:36:30 2011 New Revision: 176510 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=176510 Log: 2011-07-20 Richard Guenther PR middle-end/18908 * tree.c (integer_all_onesp): Use TYPE_PRECISION, not mode precision. * tree-ssa-forwprop.c (simplify_bitwise_binary): Remove bogus ADDR_EXPR folding. Canonicalize X ^ ~0 as ~X. * gcc.dg/tree-ssa/pr18908.c: New testcase. * gcc.dg/tree-ssa/bitwise-sink.c: Adjust. Modified: trunk/gcc/tree.c