From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18689 invoked by alias); 15 Mar 2007 18:09:56 -0000 Received: (qmail 18578 invoked by alias); 15 Mar 2007 18:09:45 -0000 Date: Thu, 15 Mar 2007 18:09:00 -0000 Message-ID: <20070315180945.18577.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug middle-end/30364] [4.1 Regression] Wrong variable ranges due to constant folding 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: 2007-03/txt/msg01417.txt.bz2 ------- Comment #15 from rguenth at gcc dot gnu dot org 2007-03-15 18:09 ------- Subject: Bug 30364 Author: rguenth Date: Thu Mar 15 18:09:26 2007 New Revision: 122956 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=122956 Log: 2007-03-15 Richard Guenther Backport from mainline 2007-02-28 Richard Guenther PR middle-end/30364 * fold-const.c (fold_binary): Do not associate expressions with more than one variable for integer types that do not wrap. * gcc.dg/torture/pr30364-1.c: New testcase. * gcc.dg/torture/pr30364-2.c: Likewise. * gcc.dg/torture/pr30364-3.c: Likewise. Added: branches/gcc-4_1-branch/gcc/testsuite/gcc.dg/torture/pr30364-1.c - copied unchanged from r122548, branches/gcc-4_2-branch/gcc/testsuite/gcc.dg/torture/pr30364-1.c branches/gcc-4_1-branch/gcc/testsuite/gcc.dg/torture/pr30364-2.c - copied unchanged from r122548, branches/gcc-4_2-branch/gcc/testsuite/gcc.dg/torture/pr30364-2.c branches/gcc-4_1-branch/gcc/testsuite/gcc.dg/torture/pr30364-3.c - copied unchanged from r122548, branches/gcc-4_2-branch/gcc/testsuite/gcc.dg/torture/pr30364-3.c Modified: branches/gcc-4_1-branch/gcc/ChangeLog branches/gcc-4_1-branch/gcc/fold-const.c branches/gcc-4_1-branch/gcc/testsuite/ChangeLog -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30364