From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18440 invoked by alias); 28 Jan 2010 06:55:56 -0000 Received: (qmail 18429 invoked by uid 22791); 28 Jan 2010 06:55:56 -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 smtp-out.google.com (HELO smtp-out.google.com) (216.239.33.17) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 28 Jan 2010 06:55:52 +0000 Received: from wpaz17.hot.corp.google.com (wpaz17.hot.corp.google.com [172.24.198.81]) by smtp-out.google.com with ESMTP id o0S6tnRe024369 for ; Thu, 28 Jan 2010 06:55:49 GMT Received: from yxe5 (yxe5.prod.google.com [10.190.2.5]) by wpaz17.hot.corp.google.com with ESMTP id o0S6tlYa017562 for ; Wed, 27 Jan 2010 22:55:48 -0800 Received: by yxe5 with SMTP id 5so407508yxe.24 for ; Wed, 27 Jan 2010 22:55:47 -0800 (PST) Received: by 10.101.7.27 with SMTP id k27mr3204690ani.22.1264661747688; Wed, 27 Jan 2010 22:55:47 -0800 (PST) Received: from coign.google.com (adsl-71-133-8-30.dsl.pltn13.pacbell.net [71.133.8.30]) by mx.google.com with ESMTPS id 4sm251549ywg.13.2010.01.27.22.55.45 (version=TLSv1/SSLv3 cipher=RC4-MD5); Wed, 27 Jan 2010 22:55:46 -0800 (PST) To: noeljohn Cc: gcc-help@gcc.gnu.org Subject: Re: Emission of store_multiple and load_multiple patterns References: <26739724.post@talk.nabble.com> <26775192.post@talk.nabble.com> <27351551.post@talk.nabble.com> From: Ian Lance Taylor Date: Thu, 28 Jan 2010 06:55:00 -0000 In-Reply-To: <27351551.post@talk.nabble.com> (noeljohn's message of "Wed\, 27 Jan 2010 22\:15\:55 -0800 \(PST\)") Message-ID: User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-System-Of-Record: true X-IsSubscribed: yes Mailing-List: contact gcc-help-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-help-owner@gcc.gnu.org X-SW-Source: 2010-01/txt/msg00265.txt.bz2 noeljohn writes: > The array as I have seen is not being treated as a vector. What it does is > it directly loads the integer array data into the stack. This is normally > done for processors which does not have a support for multiple loading and > storing of words. Is there any way by which we can convey gcc through macros > that our architecture supports this multiple loading and storing facility? I'm sorry, I don't understand what you mean. What specific instruction are you trying to generate, and what precisely does it do? When exact C code would you write that you would expect to generate this instruction? Ian