From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 16737 invoked by alias); 10 Dec 2001 17:00:34 -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 15276 invoked from network); 10 Dec 2001 16:59:08 -0000 Received: from unknown (HELO cygnus.equallogic.com) (65.170.102.10) by sources.redhat.com with SMTP; 10 Dec 2001 16:59:08 -0000 Received: from deneb.dev.equallogic.com (localhost.localdomain [127.0.0.1]) by cygnus.equallogic.com (8.11.6/8.11.6) with ESMTP id fBAGwqU14220; Mon, 10 Dec 2001 11:58:52 -0500 Received: from pkoning.dev.equallogic.com.equallogic.com (localhost.localdomain [127.0.0.1]) by deneb.dev.equallogic.com (8.11.6/8.11.2) with SMTP id fBAGwq410485; Mon, 10 Dec 2001 11:58:52 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <15380.59851.879850.25963@pkoning.dev.equallogic.com> Date: Mon, 10 Dec 2001 09:09:00 -0000 From: Paul Koning To: torvalds@transmeta.com Cc: gcc@gcc.gnu.org Subject: Re: Optimizations on long long multiply/divide on PowerPC32 don't work Newsgroups: linux.egcs References: <3C115A53.2070206@acm.org> <200112100658.fBA6wEh13767@penguin.transmeta.com> X-Mailer: VM 6.75 under 21.1 (patch 11) "Carlsbad Caverns" XEmacs Lucid X-SW-Source: 2001-12/txt/msg00502.txt.bz2 >>>>> "Linus" == Linus Torvalds writes: Linus> In article <20011207164904.C16375@redhat.com> you write: >> On Fri, Dec 07, 2001 at 06:09:55PM -0600, Corey Minyard wrote: >>> 1) Add __divdi3 to the linux kernel. I don't really think this >>> is a good idea, and it shouldn't be required. >> Yes it should. I've long considered it a bug that Linux didn't >> link against libgcc. Linus> ...Not linking against libgcc has found several problems in gcc. Linus> Ranging from missing totally obvious optimizations... Does that mean that Linux isn't expected to build if you disable optimization? That seems strange, considering that debugging with gdb is often easier with -O0. paul