From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 15765 invoked by alias); 7 Sep 2010 12:08:06 -0000 Received: (qmail 15677 invoked by uid 48); 7 Sep 2010 12:07:49 -0000 Date: Tue, 07 Sep 2010 12:08:00 -0000 Message-ID: <20100907120749.15676.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/45578] [4.6 Regression] The polyhedron test mdbx is miscompiled with -O2 -ftree-vectorize at revision 163940 In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "dominiq at lps dot ens dot fr" 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: 2010-09/txt/msg00866.txt.bz2 ------- Comment #1 from dominiq at lps dot ens dot fr 2010-09-07 12:07 ------- Created an attachment (id=21726) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21726&action=view) Split code for mdbx and good and bad assembly files. > It may be due to revision 163915. mdbx is miscompiled at revision 163915. The attached file contains the original code minus the subroutine CENTCM, the source file for this subroutine, and the assembly files from revisions 163913 (centcm_g.s) and 163913 (centcm_b.s) using -O2 -ftree-vectorize. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45578