From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10624 invoked by alias); 25 Mar 2008 10:15:42 -0000 Received: (qmail 10322 invoked by alias); 25 Mar 2008 10:14:59 -0000 Date: Tue, 25 Mar 2008 10:15:00 -0000 Message-ID: <20080325101459.10321.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug middle-end/35163] [4.1/4.2 Regression] folding comparison loses cast 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: 2008-03/txt/msg01970.txt.bz2 ------- Comment #7 from rguenth at gcc dot gnu dot org 2008-03-25 10:14 ------- Subject: Bug 35163 Author: rguenth Date: Tue Mar 25 10:14:15 2008 New Revision: 133508 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=133508 Log: 2008-03-25 Richard Guenther Backport from mainline: 2008-02-12 Richard Guenther PR middle-end/35163 * fold-const.c (fold_widened_comparison): Use get_unwidened in value-preserving mode. Disallow final truncation. * gcc.c-torture/execute/pr35163.c: New testcase. Added: branches/gcc-4_2-branch/gcc/testsuite/gcc.c-torture/execute/pr35163.c - copied unchanged from r132269, trunk/gcc/testsuite/gcc.c-torture/execute/pr35163.c Modified: branches/gcc-4_2-branch/gcc/ChangeLog branches/gcc-4_2-branch/gcc/fold-const.c branches/gcc-4_2-branch/gcc/testsuite/ChangeLog -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35163