Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp551392imm; Fri, 27 Jul 2018 01:43:05 -0700 (PDT) X-Google-Smtp-Source: AAOMgpfEmZeWk/2Mb1Qa7WURcgq/6t0l2+A4YVpD7Tk+3aORU/L07vnIjO2qeVcBJYxmIfidnhkk X-Received: by 2002:a62:398c:: with SMTP id u12-v6mr5729925pfj.9.1532680985753; Fri, 27 Jul 2018 01:43:05 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1532680985; cv=none; d=google.com; s=arc-20160816; b=sA/HY9EQnlm5J7MQxWOJ1cCF/YFwZFeHBJ+vsNmu+t9KgAOoow3VmkX1O7Inkfo6MI ETtQVAUp1C/Q95Kz6D2rn7XIiBc42WYF4FSR4Ux7Abyr9OsAnl3eHEbZ572KhDYXs6Wp 1xEXj5NLSy5PLVHEN6BFajvNIqFnjh1mzR2B17+2aBd1YMAkS2wAqPNlE67GUzQoIUyV Op78UhDD+UqkN0e7gazzrvFFulSL339lCv3tNoejTzDvh91vAOXQx22Z4LjnigWIA8rT dYL2F8vTqzjfI8gwek0gabPg09/Ymnl8d3TjKnMQtotlnuXdrGJLSOUw1G2V1wiAkhhE 4kSg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:user-agent:message-id :in-reply-to:date:references:subject:cc:to:from :arc-authentication-results; bh=cvApsPBa+lQPbGgPb2az9tN/Df1HCUa1mrKGo+aE0E8=; b=WairVaFUxDpipXifsFo+OIDKMUT8zP95AonmXTVAzyKIZYlMt4pxcBtCYiYxEhK/EZ GLmB+Azw9IOXp7Xf9916Hdu9fl5JWBlP/5LHGz2vssMFWPAiCK7xki5h2LzDqSR8EDww nJISPlNBleOlr/yzh5InWExt3LzU4L5IEqNmbg6SHNjQJ6Pn3O0j/hv/1tmzFCPTFD0e fS8er5yRVn6lHjc4ci9JClY4EFG1eNtIpHxX7bvlV8ZiznzOPRflh1SVviO2SFrUYlOz 2MnDEM8FlFBhP4wBarvVJQ04AJzpE5yvQnxtP0rbKi09fYsA/olO/9mm/sv3Nedmjw65 BF1g== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id g4-v6si3275051plm.181.2018.07.27.01.42.48; Fri, 27 Jul 2018 01:43:05 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730088AbeG0KCB (ORCPT + 99 others); Fri, 27 Jul 2018 06:02:01 -0400 Received: from mail-out.m-online.net ([212.18.0.10]:34255 "EHLO mail-out.m-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729431AbeG0KCA (ORCPT ); Fri, 27 Jul 2018 06:02:00 -0400 Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 41cMr36JzDz1qvnL; Fri, 27 Jul 2018 10:41:07 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 41cMr35ZgBz20xTF; Fri, 27 Jul 2018 10:41:07 +0200 (CEST) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id llpo6ExXIX3m; Fri, 27 Jul 2018 10:41:05 +0200 (CEST) X-Auth-Info: uxiIcWPB8EZppfbXqgfuaZIrl+WlbduaSfTzkvND/RNBwwC2QLKwRBCSMQC/hvMw Received: from igel.home (ppp-188-174-155-24.dynamic.mnet-online.de [188.174.155.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Fri, 27 Jul 2018 10:41:05 +0200 (CEST) Received: by igel.home (Postfix, from userid 1000) id 0F8B32C1140; Fri, 27 Jul 2018 10:40:54 +0200 (CEST) From: Andreas Schwab To: Finn Thain Cc: Randy Dunlap , LKML , Geert Uytterhoeven , linux-m68k@lists.linux-m68k.org Subject: Re: m68k allmodconfig build errors References: <28ebe45d-3dbd-2a82-f537-b0725f7a2bcf@infradead.org> <878t66idai.fsf@igel.home> <94dc0357-10d4-c3dc-ef2a-9643f08d2a09@infradead.org> <761399f0-0b10-716c-1e80-cfb19c06e455@infradead.org> X-Yow: Is this "BIKINI BEACH"? Date: Fri, 27 Jul 2018 10:40:54 +0200 In-Reply-To: (Finn Thain's message of "Fri, 27 Jul 2018 14:44:17 +1000 (AEST)") Message-ID: <87in513wbt.fsf@igel.home> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Jul 27 2018, Finn Thain wrote: > Why doesn't gcc convert strncmp to __builtin_strcmp? It does. In fact, it first converts strncmp to __builtin_strncmp, then optimizes it to __builtin_strcmp. Finally, __bultin_strcmp is expanded to a call to strcmp. Andreas. -- 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."