From patchwork Sun Oct 14 17:44:44 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Makarov X-Patchwork-Id: 191371 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) by ozlabs.org (Postfix) with SMTP id 7456D2C0097 for ; Mon, 15 Oct 2012 04:44:55 +1100 (EST) Comment: DKIM? See http://www.dkim.org DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=gcc.gnu.org; s=default; x=1350841496; h=Comment: DomainKey-Signature:Received:Received:Received:Received:Received: Message-ID:Date:From:User-Agent:MIME-Version:To:Subject: Content-Type:Mailing-List:Precedence:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:Sender:Delivered-To; bh=nB0UOSf mKi+Ju6P9u5M8lXbL84k=; b=YRH3I4YecrKty4JtW+i787n2qHUFkDyPPOe9njQ clkd4bphPiwTjnvK3/xAkdtsdemygWJaWTRjroEFOBcsl3U+cH73duXgPLpJRK7A 360v6LABXD7nt6M7sP8ZsUb8WykUbw3zycKCK/grXoL+9xTdGdLHa2UVTKnQo/iy IY18= Comment: DomainKeys? See http://antispam.yahoo.com/domainkeys DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=default; d=gcc.gnu.org; h=Received:Received:X-SWARE-Spam-Status:X-Spam-Check-By:Received:Received:Received:Message-ID:Date:From:User-Agent:MIME-Version:To:Subject:Content-Type:X-IsSubscribed:Mailing-List:Precedence:List-Id:List-Unsubscribe:List-Archive:List-Post:List-Help:Sender:Delivered-To; b=S/mfXoQqBP+GK+tlkjOpRRZIROPV9hpuV1cU7bF/5BKgpLfyrGyBNGkjvEXvb3 iHz8uwrX2nDTa+P0DCfNrcit05MO+rz+6FWUn3sGGIYJViDr0EcWj2B5URyV7Xki /u6IVIyxvGud0ofcNtGlgeTnZxSQ1qs6oENHCvhbpvJf8=; Received: (qmail 16797 invoked by alias); 14 Oct 2012 17:44:51 -0000 Received: (qmail 16788 invoked by uid 22791); 14 Oct 2012 17:44:50 -0000 X-SWARE-Spam-Status: No, hits=-6.5 required=5.0 tests=AWL, BAYES_00, KHOP_RCVD_UNTRUST, KHOP_SPAMHAUS_DROP, RCVD_IN_DNSWL_HI, RCVD_IN_HOSTKARMA_W, RP_MATCHES_RCVD, SPF_HELO_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; Sun, 14 Oct 2012 17:44:46 +0000 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q9EHikHp015936 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Sun, 14 Oct 2012 13:44:46 -0400 Received: from Mair.local (vpn-8-90.rdu.redhat.com [10.11.8.90]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id q9EHiiVn014287 for ; Sun, 14 Oct 2012 13:44:45 -0400 Message-ID: <507AFA0C.9040106@redhat.com> Date: Sun, 14 Oct 2012 13:44:44 -0400 From: Vladimir Makarov User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:15.0) Gecko/20120907 Thunderbird/15.0.1 MIME-Version: 1.0 To: GCC Patches Subject: [lra] new hint * interpreitation. X-IsSubscribed: yes Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Delivered-To: mailing list gcc-patches@gcc.gnu.org The following patch adds a new interpretation of hint * for LRA. 2012-10-14 Vladimir Makarov * doc/tm.texi: Add new interpretation of hint * for LRA. Committed as rev. 192436. Index: doc/md.texi =================================================================== --- doc/md.texi (revision 192325) +++ doc/md.texi (working copy) @@ -1,5 +1,5 @@ @c Copyright (C) 1988, 1989, 1992, 1993, 1994, 1996, 1998, 1999, 2000, 2001, -@c 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 +@c 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 @c Free Software Foundation, Inc. @c This is part of the GCC manual. @c For copying conditions, see the file gcc.texi. @@ -1606,7 +1606,9 @@ @item * Says that the following character should be ignored when choosing register preferences. @samp{*} has no effect on the meaning of the -constraint as a constraint, and no effect on reloading. +constraint as a constraint, and no effect on reloading. For LRA +@samp{*} additionally disparages slightly the alternative if the +following character matches the operand. @ifset INTERNALS Here is an example: the 68000 has an instruction to sign-extend a