Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1422725AbWAMQVV (ORCPT ); Fri, 13 Jan 2006 11:21:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1422727AbWAMQVU (ORCPT ); Fri, 13 Jan 2006 11:21:20 -0500 Received: from mx.pathscale.com ([64.160.42.68]:41937 "EHLO mx.pathscale.com") by vger.kernel.org with ESMTP id S1422725AbWAMQVU (ORCPT ); Fri, 13 Jan 2006 11:21:20 -0500 Subject: Re: [PATCH 2 of 3] memcpy32 for x86_64 From: "Bryan O'Sullivan" To: Denis Vlasenko Cc: Chris Wedgwood , akpm@osdl.org, linux-kernel@vger.kernel.org, hch@infradead.org, ak@suse.de, rdreier@cisco.com In-Reply-To: <200601131224.36545.vda@ilport.com.ua> References: <1137081882.28011.1.camel@serpentine.pathscale.com> <20060113095625.GA3707@taniwha.stupidest.org> <200601131224.36545.vda@ilport.com.ua> Content-Type: text/plain Organization: PathScale, Inc. Date: Fri, 13 Jan 2006 08:21:09 -0800 Message-Id: <1137169269.29209.0.camel@serpentine.pathscale.com> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 458 Lines: 19 On Fri, 2006-01-13 at 12:24 +0200, Denis Vlasenko wrote: > you need just > > .globl memcpy32 > memcpy32: > movl %edx,%ecx > rep movsd > ret This is what the current version of the patches in -mm does.