From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 7637 invoked by alias); 22 Aug 2009 00:12:20 -0000 Received: (qmail 7629 invoked by uid 22791); 22 Aug 2009 00:12:19 -0000 X-SWARE-Spam-Status: No, hits=-2.1 required=5.0 tests=AWL,BAYES_00,SPF_HELO_PASS,SPF_PASS X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sat, 22 Aug 2009 00:12:12 +0000 Received: from int-mx08.intmail.prod.int.phx2.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id n7M0CAbZ003441; Fri, 21 Aug 2009 20:12:10 -0400 Received: from stone.twiddle.home (vpn-51-37.sfbay.redhat.com [10.14.51.37]) by int-mx08.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id n7M0C9uk026659; Fri, 21 Aug 2009 20:12:09 -0400 Message-ID: <4A8F37D6.5020408@redhat.com> Date: Sat, 22 Aug 2009 13:24:00 -0000 From: Richard Henderson User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.1) Gecko/20090814 Fedora/3.0-2.6.b3.fc11 Thunderbird/3.0b3 MIME-Version: 1.0 To: Jean Christophe Beyler CC: gcc@gcc.gnu.org Subject: Re: GREG modifying the FIXED_REGISTERS... References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-IsSubscribed: yes 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: 2009-08/txt/msg00404.txt.bz2 On 08/21/2009 04:01 PM, Jean Christophe Beyler wrote: > /* If we have a 0, use r0 instead */ Don't do this. See how, e.g. alpha and mips handle the zero register. You want to leave this as (const_int 0) throughout compilation. r~