From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10573 invoked by alias); 6 Feb 2004 14:49:20 -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 10561 invoked by uid 48); 6 Feb 2004 14:49:19 -0000 Date: Fri, 06 Feb 2004 14:49:00 -0000 Message-ID: <20040206144919.10560.qmail@sources.redhat.com> From: "rguenth at tat dot physik dot uni-tuebingen dot de" To: gcc-bugs@gcc.gnu.org In-Reply-To: <20040206124008.14046.rguenth@tat.physik.uni-tuebingen.de> References: <20040206124008.14046.rguenth@tat.physik.uni-tuebingen.de> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug optimization/14046] [tree-ssa regression] address calculation not moved out of innermost loop X-Bugzilla-Reason: CC X-SW-Source: 2004-02/txt/msg00772.txt.bz2 List-Id: ------- Additional Comments From rguenth at tat dot physik dot uni-tuebingen dot de 2004-02-06 14:49 ------- looking at the loop optimizer dump and comparing to 3.4, I see that for tree-ssa: Loop at 71 ignored due to multiple entry points. so the tree optimizers obfuscate the loop too much it seems (in fact, the optimized tree dump looks very obfuscated - to me ;) ). I remember a patch floating around to avoid the obfuscation, but don't remember if it was applied. Jeff? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14046