From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 16353 invoked by alias); 24 Apr 2002 10:32:45 -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 16331 invoked from network); 24 Apr 2002 10:32:39 -0000 Received: from unknown (HELO tus001.unitus.it) (193.205.144.2) by sources.redhat.com with SMTP; 24 Apr 2002 10:32:39 -0000 Received: from unitus.it (SNOM [193.205.145.28]) by tus001.unitus.it with SMTP (Microsoft Exchange Internet Mail Service Version 5.5.2653.13) id 296XDX2J; Wed, 24 Apr 2002 12:28:06 +0200 Message-ID: <3CC68A27.9040007@unitus.it> Date: Wed, 24 Apr 2002 03:42:00 -0000 From: Paolo Carlini User-Agent: Mozilla/5.0 (Windows; U; Win 9x 4.90; en-US; rv:1.0rc1) Gecko/20020417 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Gerald Pfeifer CC: gcc@gcc.gnu.org Subject: Re: C++ aliasing changes on mainline (was: GCC 3.1 Prerelease) References: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-SW-Source: 2002-04/txt/msg01229.txt.bz2 Gerald Pfeifer wrote: >I got mixed results. The binary with the changes above (and all CVS >changes between Monday and Tuesday) was somewhat smaller than the >original. Performance didn't change too much, either way. > Thank you very much Gerald. Indeed, I find those numbers very interesting and very puzzling! Definitely I did expect a clear positive effect of the C++ aliasing patch... First, I have to learn more about the main features of such C++ code. Ciao, Paolo.