Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933816AbYCFQkf (ORCPT ); Thu, 6 Mar 2008 11:40:35 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757965AbYCFQk0 (ORCPT ); Thu, 6 Mar 2008 11:40:26 -0500 Received: from mx1.redhat.com ([66.187.233.31]:38805 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756126AbYCFQkZ (ORCPT ); Thu, 6 Mar 2008 11:40:25 -0500 Date: Thu, 6 Mar 2008 11:23:53 -0500 From: Jakub Jelinek To: "H. Peter Anvin" Cc: "H.J. Lu" , NightStrike , Olivier Galibert , Chris Lattner , Michael Matz , Richard Guenther , Joe Buck , Jan Hubicka , Aurelien Jarno , linux-kernel@vger.kernel.org, gcc@gcc.gnu.org Subject: Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt direction flag Message-ID: <20080306162353.GF24887@devserv.devel.redhat.com> Reply-To: Jakub Jelinek References: <738B72DB-A1D6-43F8-813A-E49688D05771@apple.com> <2F47E21A-9055-4EC3-99CF-B666BBC045C3@apple.com> <47CF3F09.4080606@zytor.com> <578FCA7D-D7A6-44F6-9310-4A97C13CDCBE@apple.com> <47CF44E7.3020106@zytor.com> <20080306135139.GA5236@dspnet.fr.eu.org> <6dc9ffc80803060743h502fc96bj6117ef87a8555c3a@mail.gmail.com> <47D012B4.3020104@zytor.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <47D012B4.3020104@zytor.com> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 744 Lines: 23 On Thu, Mar 06, 2008 at 07:50:12AM -0800, H. Peter Anvin wrote: > H.J. Lu wrote: > >I agree with it. There is no right or wrong here Let's start from > >scratch and figure out > >what is the best way to handle this, assuming we are defining a new psABI. BTW, just tested icc and icc doesn't generate cld either (so it matches the new gcc behavior). char buf1[32], buf2[32]; void bar (void); void foo (void) { __builtin_memset (buf1, 0, 32); bar (); __builtin_memset (buf2, 0, 32); } Jakub -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/