Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755292AbbG0X6w (ORCPT ); Mon, 27 Jul 2015 19:58:52 -0400 Received: from mail-la0-f46.google.com ([209.85.215.46]:35439 "EHLO mail-la0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754699AbbG0X6v (ORCPT ); Mon, 27 Jul 2015 19:58:51 -0400 MIME-Version: 1.0 In-Reply-To: References: <1438019319-19731-1-git-send-email-uros_bizjak1@t-2.net> <55B680D8.5070702@zytor.com> <55B696B2.3000702@kernel.org> <55B69CED.8050709@zytor.com> From: Andy Lutomirski Date: Mon, 27 Jul 2015 16:58:29 -0700 Message-ID: Subject: Re: ASM flags in general To: "H. Peter Anvin" Cc: Andy Lutomirski , Uros Bizjak , "linux-kernel@vger.kernel.org" , X86 ML , Uros Bizjak , Ingo Molnar Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 778 Lines: 17 On Mon, Jul 27, 2015 at 4:56 PM, H. Peter Anvin wrote: > Sure... but now you have to wrap things in stac/clac. I'm not sure I see the point since the code is already pretty much optimal. Ick. I forgot about that. It would benefit all the users who aren't using the _ex functions, though. And, if there are enough of those, it just might be worth trying to postprocess object files to collapse adjacent stac and clac instances, or just to teach the alternatives code to nop them out if they're redundant. --Andy -- 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/