From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 32249 invoked by alias); 29 Jun 2007 08:14:56 -0000 Received: (qmail 32233 invoked by uid 48); 29 Jun 2007 08:14:48 -0000 Date: Fri, 29 Jun 2007 08:14:00 -0000 Subject: [Bug tree-optimization/32544] New: gcc 4.2.1 miscompiles Mesa's r300 DRI driver with -ftree-vrp X-Bugzilla-Reason: CC Message-ID: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "bero at arklinux 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: 2007-06/txt/msg02696.txt.bz2 Mesa's r300 DRI driver produces incorrect output (garbles the display) if r300_state.c is compiled with -ftree-vrp (-O2 -fno-tree-vrp works fine; all files except r300_state.c can be compiled with normal -O2). -- Summary: gcc 4.2.1 miscompiles Mesa's r300 DRI driver with - ftree-vrp Product: gcc Version: 4.2.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: bero at arklinux dot org GCC build triplet: i586-pc-linux-gnu GCC host triplet: i586-pc-linux-gnu GCC target triplet: i586-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32544