From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 17723 invoked by alias); 24 Mar 2003 18:20:28 -0000 Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-owner@gcc.gnu.org Received: (qmail 17714 invoked from network); 24 Mar 2003 18:20:28 -0000 Received: from unknown (HELO doubledemon.codesourcery.com) (66.60.148.227) by sources.redhat.com with SMTP; 24 Mar 2003 18:20:28 -0000 Received: from doubledemon.codesourcery.com (doubledemon.codesourcery.com [127.0.0.1]) by doubledemon.codesourcery.com (8.12.8/8.12.8) with ESMTP id h2OIKRfT024442; Mon, 24 Mar 2003 10:20:27 -0800 Subject: Re: PR optimization/9745 From: Mark Mitchell To: David Edelsohn Cc: gcc@gcc.gnu.org In-Reply-To: <200303241534.KAA09982@makai.watson.ibm.com> References: <200303241534.KAA09982@makai.watson.ibm.com> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Mon, 24 Mar 2003 18:31:00 -0000 Message-Id: <1048530027.11506.15.camel@doubledemon.codesourcery.com> Mime-Version: 1.0 X-SW-Source: 2003-03/txt/msg01468.txt.bz2 On Mon, 2003-03-24 at 07:34, David Edelsohn wrote: > My patch does overly pessimizes and completely breaks GCC > performance goals for GCC 3.3. We need to fix this more accurately. Well, let's get on it already. Otherwise, we'll have to conditionally do your patch for PowerPC, or something equally ugly. Perhaps you could try the alternate approach you suggest in: http://gcc.gnu.org/ml/gcc-patches/2003-03/msg01041.html How bad is the pessimization? Does anyone else have ideas about how to fix this? -- Mark Mitchell CodeSourcery, LLC mark@codesourcery.com