From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 25734 invoked by alias); 13 Jun 2009 19:18:05 -0000 Received: (qmail 25726 invoked by uid 22791); 13 Jun 2009 19:18:05 -0000 X-SWARE-Spam-Status: No, hits=-2.4 required=5.0 tests=AWL,BAYES_00,SPF_HELO_PASS,SPF_PASS X-Spam-Check-By: sourceware.org Received: from mx2.redhat.com (HELO mx2.redhat.com) (66.187.237.31) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sat, 13 Jun 2009 19:17:57 +0000 Received: from int-mx2.corp.redhat.com (int-mx2.corp.redhat.com [172.16.27.26]) by mx2.redhat.com (8.13.8/8.13.8) with ESMTP id n5DJHrM3005854; Sat, 13 Jun 2009 15:17:53 -0400 Received: from ns3.rdu.redhat.com (ns3.rdu.redhat.com [10.11.255.199]) by int-mx2.corp.redhat.com (8.13.1/8.13.1) with ESMTP id n5DJHqQA024138; Sat, 13 Jun 2009 15:17:52 -0400 Received: from freie.oliva.athome.lsd.ic.unicamp.br (sebastian-int.corp.redhat.com [172.16.52.221]) by ns3.rdu.redhat.com (8.13.8/8.13.8) with ESMTP id n5DJHpbP021443; Sat, 13 Jun 2009 15:17:51 -0400 Received: from free.oliva.athome.lsd.ic.unicamp.br (free.oliva.athome.lsd.ic.unicamp.br [172.31.160.1]) by freie.oliva.athome.lsd.ic.unicamp.br (8.14.3/8.14.3) with ESMTP id n5DJHo2W003174; Sat, 13 Jun 2009 16:17:51 -0300 Received: from free.oliva.athome.lsd.ic.unicamp.br (localhost [127.0.0.1]) by free.oliva.athome.lsd.ic.unicamp.br (8.14.3/8.14.3) with ESMTP id n5DJHiTm028988; Sat, 13 Jun 2009 16:17:50 -0300 Received: (from aoliva@localhost) by free.oliva.athome.lsd.ic.unicamp.br (8.14.3/8.14.3/Submit) id n5DJHheX028986; Sat, 13 Jun 2009 16:17:43 -0300 To: Richard Guenther Cc: gcc@gcc.gnu.org Subject: Re: VTA guality assessment: better than -O0 ;-) References: <84fc9c000906130823yd6a6296x947a972c7d2535d5@mail.gmail.com> From: Alexandre Oliva Date: Sat, 13 Jun 2009 19:18:00 -0000 In-Reply-To: <84fc9c000906130823yd6a6296x947a972c7d2535d5@mail.gmail.com> (Richard Guenther's message of "Sat\, 13 Jun 2009 17\:23\:31 +0200") Message-ID: User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-owner@gcc.gnu.org X-SW-Source: 2009-06/txt/msg00294.txt.bz2 On Jun 13, 2009, Richard Guenther wrote: > Yes, I don't like -O0 producing worse debug info - what does > the -O0 -fvar-tracking-assignments results look like? No difference, -fvar-tracking is disabled at -O0, so either -fvar-tracking-assignments gets disabled as well with a warning (as in the vta patchset I posted before) or it produces and maintains the annotations and discards them where vartrack would have turned them into (the implementation of your suggestion in that regard) -- Alexandre Oliva, freedom fighter http://FSFLA.org/~lxoliva/ You must be the change you wish to see in the world. -- Gandhi Be Free! -- http://FSFLA.org/ FSF Latin America board member Free Software Evangelist Red Hat Brazil Compiler Engineer