From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18594 invoked by alias); 12 Nov 2009 16:02:43 -0000 Received: (qmail 18508 invoked by uid 22791); 12 Nov 2009 16:02:41 -0000 X-SWARE-Spam-Status: No, hits=-2.5 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; Thu, 12 Nov 2009 16:02:37 +0000 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id nACG2ZF5001594 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 12 Nov 2009 11:02:35 -0500 Received: from stone.twiddle.home (vpn-242-240.phx2.redhat.com [10.3.242.240]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id nACG2Zj8014471; Thu, 12 Nov 2009 11:02:35 -0500 Message-ID: <4AFC3197.30906@redhat.com> Date: Thu, 12 Nov 2009 16:02:00 -0000 From: Richard Henderson User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.4pre) Gecko/20091014 Fedora/3.0-2.8.b4.fc11 Thunderbird/3.0b4 MIME-Version: 1.0 To: Mohamed Shafi CC: GCC Subject: Re: How to split mulsi3 pattern References: <4AF9A4B1.20704@redhat.com> 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: 2009-11/txt/msg00338.txt.bz2 On 11/12/2009 05:40 AM, Mohamed Shafi wrote: > So i need to change the mode of the register from SI to HI after > reloading. Is that allowed? Of course. It's also allowed before reload: (subreg:HI (reg:SI foo) 0) See gen_lowpart. r~