From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C987BEB64DC for ; Fri, 21 Jul 2023 12:53:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229601AbjGUMxF (ORCPT ); Fri, 21 Jul 2023 08:53:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49442 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231434AbjGUMxE (ORCPT ); Fri, 21 Jul 2023 08:53:04 -0400 X-Greylist: delayed 12861 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Fri, 21 Jul 2023 05:53:00 PDT Received: from mail-out.m-online.net (mail-out.m-online.net [IPv6:2001:a60:0:28:0:1:25:1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 626CA10CB for ; Fri, 21 Jul 2023 05:53:00 -0700 (PDT) Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4R6qGf3WjBz1sBpn; Fri, 21 Jul 2023 14:52:57 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.6.68]) by mail.m-online.net (Postfix) with ESMTP id 4R6qGd2Nx5z1qqlY; Fri, 21 Jul 2023 14:52:57 +0200 (CEST) X-Virus-Scanned: amavis at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.68]) (amavis, port 10024) with ESMTP id WpLDKYH3QzSl; Fri, 21 Jul 2023 14:52:56 +0200 (CEST) X-Auth-Info: oFoyfXVN0Wqpf5UTtyG8V+1MDC84j5g+9/TizpxrRvFUi5A+3TFl7x8hie/ylkH8 Received: from igel.home (aftr-62-216-205-254.dynamic.mnet-online.de [62.216.205.254]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Fri, 21 Jul 2023 14:52:56 +0200 (CEST) Received: by igel.home (Postfix, from userid 1000) id 7B6EB2C0096; Fri, 21 Jul 2023 14:52:56 +0200 (CEST) From: Andreas Schwab To: Matthew Wilcox Cc: linux-m68k@lists.linux-m68k.org Subject: Re: clear_bit_unlock_is_negative_byte In-Reply-To: (Matthew Wilcox's message of "Fri, 21 Jul 2023 12:59:48 +0100") References: <87jzut6acw.fsf@linux-m68k.org> X-Yow: YOW!!! I am having fun!!! Date: Fri, 21 Jul 2023 14:52:56 +0200 Message-ID: <87zg3pa0k7.fsf@igel.home> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-m68k@vger.kernel.org On Jul 21 2023, Matthew Wilcox wrote: > Do you happen to know if __GCC_ASM_FLAG_OUTPUTS__ is implemented for > m68k so we can save the SMI instruction? $ git grep __GCC_ASM_FLAG_OUTPUTS__ -- gcc/config gcc/config/aarch64/aarch64-c.cc: builtin_define ("__GCC_ASM_FLAG_OUTPUTS__"); gcc/config/arm/arm-c.cc: def_or_undef_macro (pfile, "__GCC_ASM_FLAG_OUTPUTS__", !TARGET_THUMB1); gcc/config/i386/i386-c.cc: cpp_define (parse_in, "__GCC_ASM_FLAG_OUTPUTS__"); -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."