From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-241268-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 19331 invoked by alias); 17 Jan 2008 12:18:52 -0000
Received: (qmail 19236 invoked by alias); 17 Jan 2008 12:18:09 -0000
Date: Thu, 17 Jan 2008 12:43:00 -0000
Message-ID: <20080117121809.19235.qmail@sourceware.org>
X-Bugzilla-Reason: CC
References: <bug-34825-15643@http.gcc.gnu.org/bugzilla/>
Subject: [Bug tree-optimization/34825] [4.2/4.3 regression] ICE with -funsafe-math-optimizations
In-Reply-To: <bug-34825-15643@http.gcc.gnu.org/bugzilla/>
Reply-To: gcc-bugzilla@gcc.gnu.org
To: gcc-bugs@gcc.gnu.org
From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-bugs.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
X-SW-Source: 2008-01/txt/msg01768.txt.bz2



------- Comment #7 from rguenth at gcc dot gnu dot org  2008-01-17 12:18 -------
Subject: Bug 34825

Author: rguenth
Date: Thu Jan 17 12:17:24 2008
New Revision: 131595

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=131595
Log:
2008-01-17  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34825
        * tree-ssa-math-opts.c (is_division_by): Do not recognize
        x / x as division to handle.

        * gcc.dg/pr34825.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/pr34825.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-math-opts.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34825