From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8071 invoked by alias); 8 Oct 2004 13:22:00 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 8009 invoked by uid 48); 8 Oct 2004 13:21:59 -0000 Date: Fri, 08 Oct 2004 13:22:00 -0000 Message-ID: <20041008132159.8008.qmail@sourceware.org> From: "rakdver at gcc dot gnu dot org" To: gcc-bugs@gcc.gnu.org In-Reply-To: <20040919165202.17560.kherron+gcc@fmailbox.com> References: <20040919165202.17560.kherron+gcc@fmailbox.com> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug tree-optimization/17560] [4.0 Regression] Infinite recursion in tree-scalar-evolution with -Os X-Bugzilla-Reason: CC X-SW-Source: 2004-10/txt/msg01041.txt.bz2 List-Id: ------- Additional Comments From rakdver at gcc dot gnu dot org 2004-10-08 13:21 ------- This fix should not be necessary (in fact we had the code like this before, but I removed it and replaced it by current solution; the problem with is that it behaves really weird, for example the results are dependent on in which order we process the variables) -- we check for irreducible regions in scev already. Could you check whether the edges are marked as irreducible? If not, this would be the problem. Zdenek -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17560