From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 32110 invoked by alias); 28 Aug 2008 14:21:09 -0000 Received: (qmail 29936 invoked by alias); 28 Aug 2008 14:19:47 -0000 Date: Thu, 28 Aug 2008 14:21:00 -0000 Message-ID: <20080828141947.29935.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug middle-end/37125] [4.3/4.4 Regression] possible integer codegen bug In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "rguenth at gcc dot gnu dot org" 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: 2008-08/txt/msg02239.txt.bz2 ------- Comment #9 from rguenth at gcc dot gnu dot org 2008-08-28 14:19 ------- Subject: Bug 37125 Author: rguenth Date: Thu Aug 28 14:18:23 2008 New Revision: 139709 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=139709 Log: 2008-08-28 Richard Guenther PR middle-end/36548 PR middle-end/37125 * fold-const.c (extract_muldiv_1): Optimize (X * C1) % C2 only if the multiplication does not overflow. * gcc.c-torture/execute/pr37125.c: New testcase. Added: branches/gcc-4_3-branch/gcc/testsuite/gcc.c-torture/execute/pr37125.c Modified: branches/gcc-4_3-branch/gcc/ChangeLog branches/gcc-4_3-branch/gcc/fold-const.c branches/gcc-4_3-branch/gcc/testsuite/ChangeLog -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37125