From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10215 invoked by alias); 10 Oct 2007 17:43:53 -0000 Received: (qmail 10200 invoked by uid 22791); 10 Oct 2007 17:43:52 -0000 X-Spam-Check-By: sourceware.org Received: from nz-out-0506.google.com (HELO nz-out-0506.google.com) (64.233.162.228) by sourceware.org (qpsmtpd/0.31) with ESMTP; Wed, 10 Oct 2007 17:43:48 +0000 Received: by nz-out-0506.google.com with SMTP id s1so234981nze for ; Wed, 10 Oct 2007 10:43:45 -0700 (PDT) Received: by 10.142.215.5 with SMTP id n5mr291093wfg.1192038224780; Wed, 10 Oct 2007 10:43:44 -0700 (PDT) Received: by 10.142.199.2 with HTTP; Wed, 10 Oct 2007 10:43:44 -0700 (PDT) Message-ID: <4aca3dc20710101043qd07ade2lf18df0bfd6a8f11c@mail.gmail.com> Date: Wed, 10 Oct 2007 17:43:00 -0000 From: "Daniel Berlin" To: gcc-bugzilla@gcc.gnu.org Subject: Re: [Bug tree-optimization/32183] [4.3 Regression] reassoc2 can more extra calculations into a loop Cc: gcc-bugs@gcc.gnu.org In-Reply-To: <20071010085800.14086.qmail@sourceware.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20071010085800.14086.qmail@sourceware.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/msg01013.txt.bz2 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.