From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10586 invoked by alias); 10 Oct 2007 17:44:09 -0000 Received: (qmail 10543 invoked by alias); 10 Oct 2007 17:43:58 -0000 Date: Wed, 10 Oct 2007 17:44:00 -0000 Message-ID: <20071010174358.10542.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/32183] [4.3 Regression] reassoc2 can more extra calculations into a loop In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "dberlin at dberlin 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: 2007-10/txt/msg01014.txt.bz2 ------- Comment #34 from dberlin at gcc dot gnu dot org 2007-10-10 17:43 ------- Subject: Re: [4.3 Regression] reassoc2 can more extra calculations into a loop On 10 Oct 2007 08:58:00 -0000, steven at gcc dot gnu dot org wrote: > > > ------- Comment #33 from steven at gcc dot gnu dot org 2007-10-10 08:57 ------- > What happened with the suggestion to only do this in reassoc2 (see comment > #27)? > > Yeah, i'm not sure why we just made both reassocs more expensive when we only care what happens with the second. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32183