From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 27249 invoked by alias); 30 Aug 2004 10:44:20 -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 27200 invoked from network); 30 Aug 2004 10:44:17 -0000 Received: from unknown (HELO polimi.it) (131.175.12.8) by sourceware.org with SMTP; 30 Aug 2004 10:44:17 -0000 Received: from gnu.org (paride.rett.polimi.it [131.175.65.135]) by polimi.it (8.13.1/8.13.1) with ESMTP id i7UAiFbL017189; Mon, 30 Aug 2004 12:44:15 +0200 Message-ID: <41330611.9020600@gnu.org> Date: Mon, 30 Aug 2004 11:02:00 -0000 From: Paolo Bonzini User-Agent: Mozilla Thunderbird 0.5 (Windows/20040207) MIME-Version: 1.0 To: Giovanni Bajo CC: gcc@gcc.gnu.org Subject: Re: GCC 3.5 Status (2004-08-29) References: <4132641E.3030206@codesourcery.com> <200408300148.54421.stevenb@suse.de> <41326EBF.9020501@codesourcery.com> <200408300229.13652.stevenb@suse.de> <41327A88.5080903@codesourcery.com> <023b01c48e35$0f5ef9f0$8f432597@bagio> In-Reply-To: <023b01c48e35$0f5ef9f0$8f432597@bagio> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-PMX-Version: 4.6.1.107272, Antispam-Core: 4.6.1.106808, Antispam-Data: 2004.8.29.111538 X-PerlMx-Spam: Gauge=%%XPROB%%IIIIIII, Probability=7%, Report='__MOZILLA_MSGID 0, __HAS_MSGID 0, __SANE_MSGID 0, __USER_AGENT 0, X_ACCEPT_LANG 0, __MIME_VERSION 0, __TO_MALFORMED_2 0, __REFERENCES 0, __IN_REP_TO 0, __EVITE_CTYPE 0, __CT_TEXT_PLAIN 0, __CT 0, __CTE 0, __MIME_TEXT_ONLY 0, REFERENCES 0.000, IN_REP_TO 0, USER_AGENT 0.000' X-SW-Source: 2004-08/txt/msg01475.txt.bz2 > There was agreement that these would be > tackled after the merge, possibly by running a couple of cleanup optimization > passes (DCE/CCP). CFG-transparent expansion did introduce a cleanup pass at -O0, because the cleanup that is done while the CFG is built, is now done at -O0 as well. This is responsible of the -O0 3-4% speed increase brought in by CFG-transparent expansion. Paolo