From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 5317 invoked by alias); 9 Jun 2005 07:44:51 -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 5005 invoked by uid 22791); 9 Jun 2005 07:44:33 -0000 Received: from vinc17.net4.nerim.net (HELO ay.vinc17.org) (62.212.121.106) by sourceware.org (qpsmtpd/0.30-dev) with ESMTP; Thu, 09 Jun 2005 07:44:33 +0000 Received: from lefevre by ay.vinc17.org with local (Exim 4.50) id 1DgHiH-00031L-UL; Thu, 09 Jun 2005 09:44:29 +0200 Date: Thu, 09 Jun 2005 07:44:00 -0000 From: Vincent Lefevre To: gcc@gcc.gnu.org Subject: Re: What is wrong with Bugzilla? [Was: Re: GCC and Floating-Point] Message-ID: <20050609074429.GB3541@ay.vinc17.org> Mail-Followup-To: gcc@gcc.gnu.org References: <002d01c5643c$cfcc1140$bebc2997@bagio> <26669933.1117479096256.JavaMail.root@dtm1eusosrv72.dtm.ops.eu.uu.net> <429B7506.8010107@moene.indiv.nluug.nl> <429BD58C.5080906@adacore.com> <1118094424.22452.20.camel@pc.site> <42A4DADA.3050306@adacore.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <42A4DADA.3050306@adacore.com> X-Mailer-Info: http://www.vinc17.org/mutt/ User-Agent: Mutt/1.5.9-vl-20050401i X-SW-Source: 2005-06/txt/msg00291.txt.bz2 On 2005-06-06 19:23:06 -0400, Robert Dewar wrote: > Laurent GUERBY wrote: > > >Such algorithm usually require a very detailed control of what's > >going on at the machine level, given current high level programming > >languages that means using assembler. > > No, that's not true, you might want to look at some of Jim Demmel's > work in this area. Do you have a reference (URL...)? > >Or that many programs that currently work on many OS > >will start to work the same under Linux instead of > >giving strange (and may be wrong) results. > > But many programs that work fine on the x86 now will start breaking. ^^^ Linux/x86 only! And probably not many programs, and only programs specific to x86. Their authors could still change the rounding precision at the beginning of their programs if need be. -- Vincent Lefèvre - Web: 100% accessible validated (X)HTML - Blog: Work: CR INRIA - computer arithmetic / SPACES project at LORIA