From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 5167 invoked by alias); 14 Feb 2006 21:08:58 -0000 Received: (qmail 5142 invoked by alias); 14 Feb 2006 21:08:55 -0000 Date: Tue, 14 Feb 2006 21:08:00 -0000 Message-ID: <20060214210855.5141.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug middle-end/23670] Fold does not fold (a|b)&b to b likewise for (a&b) | b to b In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "sayle at gcc dot gnu dot org" Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2006-02/txt/msg01614.txt.bz2 List-Id: ------- Comment #3 from sayle at gcc dot gnu dot org 2006-02-14 21:08 ------- Subject: Bug 23670 Author: sayle Date: Tue Feb 14 21:08:52 2006 New Revision: 110997 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=110997 Log: PR middle-end/23670 * fold-const.c (fold_binary) : Optimize (X&Y)|Y into (X,Y) and the corresponding symmetry related transformations. (fold_binary) : Likewise, optimize (X|Y)&Y into (X,Y) and its symmetry related transformations. * gcc.dg/tree-ssa/andor-2.c: New test case. Added: trunk/gcc/testsuite/gcc.dg/tree-ssa/andor-2.c Modified: trunk/gcc/ChangeLog trunk/gcc/fold-const.c trunk/gcc/testsuite/ChangeLog -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23670