From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23776 invoked by alias); 6 Dec 2002 21:01:31 -0000 Mailing-List: contact gcc-prs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-prs-owner@gcc.gnu.org Received: (qmail 23754 invoked by uid 61); 6 Dec 2002 21:01:31 -0000 Date: Fri, 06 Dec 2002 13:01:00 -0000 Message-ID: <20021206210131.23753.qmail@sources.redhat.com> To: carlos@baldric.uwo.ca, gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org, nobody@gcc.gnu.org From: bangerth@dealii.org Reply-To: bangerth@dealii.org, carlos@baldric.uwo.ca, gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org, nobody@gcc.gnu.org, gcc-gnats@gcc.gnu.org Subject: Re: optimization/7726: Fails to produce the correct implementation-dependant output for loop optimization under x86 -> optimizes away a loop that should complete X-SW-Source: 2002-12/txt/msg00385.txt.bz2 List-Id: Synopsis: Fails to produce the correct implementation-dependant output for loop optimization under x86 -> optimizes away a loop that should complete State-Changed-From-To: open->feedback State-Changed-By: bangerth State-Changed-When: Fri Dec 6 13:01:29 2002 State-Changed-Why: Hm, the code goes into an endless loop on my system also without optimization and with all the compilers I have (i.e. gcc2.95, 3.0, 3.2, 3.2.2pre, 3.3pre, and icc7). Are you sure that the overflow you are exploiting is really defined in ISO C? http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=7726