From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 25561 invoked by alias); 1 Oct 2007 17:10:36 -0000 Received: (qmail 25453 invoked by uid 48); 1 Oct 2007 17:10:27 -0000 Date: Mon, 01 Oct 2007 17:10:00 -0000 Message-ID: <20071001171027.25452.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug middle-end/33611] Optimizations generate incorrect code In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "pinskia 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: 2007-10/txt/msg00052.txt.bz2 ------- Comment #2 from pinskia at gcc dot gnu dot org 2007-10-01 17:10 ------- I think you should read http://www.validlab.com/goldberg/paper.pdf . I think what is happening is on x86, there is extra precision so really you are running into bug 323. Can you try to add -ffloat-store? -- pinskia at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Component|c++ |middle-end http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33611