From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 26163 invoked by alias); 22 Jul 2009 15:40:41 -0000 Received: (qmail 25424 invoked by uid 48); 22 Jul 2009 15:40:26 -0000 Date: Wed, 22 Jul 2009 15:40:00 -0000 Message-ID: <20090722154026.25423.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/39300] vectorizer confused by predictive commoning and PRE In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "matz 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: 2009-07/txt/msg01793.txt.bz2 ------- Comment #8 from matz at gcc dot gnu dot org 2009-07-22 15:40 ------- So, the immediate problem is now fixed, but I'd suggest leaving this enhancement request open, in case anybody wants to work on extending the vectorizer to deal with these loop-carried dependencies, because in that case we wouldn't need to dumb down PRE anymore, which would be even better. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39300