From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 4884 invoked by alias); 21 Jan 2004 00:28:07 -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 4843 invoked from network); 21 Jan 2004 00:28:05 -0000 Received: from unknown (HELO dorothy.sfbay.redhat.com) (66.187.237.200) by sources.redhat.com with SMTP; 21 Jan 2004 00:28:06 -0000 Received: (from rth@localhost) by dorothy.sfbay.redhat.com (8.11.6/8.11.6) id i0L0S4f25370; Tue, 20 Jan 2004 16:28:04 -0800 X-Authentication-Warning: dorothy.sfbay.redhat.com: rth set sender to rth@redhat.com using -f Date: Wed, 21 Jan 2004 00:28:00 -0000 From: Richard Henderson To: Kelley Cook Cc: GCC Mailing List Subject: Re: Suggestion: Add -ffast-math to default BOOT_CFLAGS Message-ID: <20040120162804.B25326@redhat.com> Mail-Followup-To: Richard Henderson , Kelley Cook , GCC Mailing List References: <400D8E75.8070001@ford.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <400D8E75.8070001@ford.com>; from kcook34@ford.com on Tue, Jan 20, 2004 at 03:24:21PM -0500 X-SW-Source: 2004-01/txt/msg01599.txt.bz2 On Tue, Jan 20, 2004 at 03:24:21PM -0500, Kelley Cook wrote: > life analysis 4.94 4.02 -0.92 > name lookup 8.83 8.35 -0.48 > garbage collection 5.98 5.83 -0.15 Where, pray, is the floating point in these passes that would be affected by -ffast-math at all? AFAIK there isn't any, which makes your numbers highly suspicious. r~