From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 20063 invoked by alias); 14 Dec 2009 11:50:07 -0000 Received: (qmail 19865 invoked by uid 48); 14 Dec 2009 11:49:55 -0000 Date: Mon, 14 Dec 2009 11:50:00 -0000 Message-ID: <20091214114955.19864.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/42108] [4.4/4.5 Regression] 50% performance regression In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "rguenth 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: 2009-12/txt/msg01347.txt.bz2 ------- Comment #31 from rguenth at gcc dot gnu dot org 2009-12-14 11:49 ------- Created an attachment (id=19288) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=19288&action=view) another hack Sorts the SCCs after collecting them all. Breaks most of the PRE/FRE testcases because it sorts all SCCs, not only those that have no direct dependencies. Not easy to fix though. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42108