From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by sourceware.org (Postfix) with ESMTP id 788993858D35 for ; Wed, 29 Sep 2021 09:18:34 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 788993858D35 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-558-LxiCardaOh6fDpTbHTJTwQ-1; Wed, 29 Sep 2021 05:18:29 -0400 X-MC-Unique: LxiCardaOh6fDpTbHTJTwQ-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id B19CC801B3D; Wed, 29 Sep 2021 09:18:28 +0000 (UTC) Received: from oldenburg.str.redhat.com (unknown [10.39.192.176]) by smtp.corp.redhat.com (Postfix) with ESMTPS id D71DF3AC0; Wed, 29 Sep 2021 09:18:27 +0000 (UTC) From: Florian Weimer To: Andreas Schwab Cc: Noah Goldstein via Libc-alpha Subject: Re: [PATCH v6] String: Add support for __memcmpeq() ABI on all targets References: <20210927203827.2852935-1-goldstein.w.n@gmail.com> <20210928165341.2357817-1-goldstein.w.n@gmail.com> <87y27fhih8.fsf@igel.home> Date: Wed, 29 Sep 2021 11:18:26 +0200 In-Reply-To: <87y27fhih8.fsf@igel.home> (Andreas Schwab's message of "Wed, 29 Sep 2021 10:52:03 +0200") Message-ID: <875yuj91ul.fsf@oldenburg.str.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain X-Spam-Status: No, score=-6.4 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_NONE, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 29 Sep 2021 09:18:36 -0000 * Andreas Schwab: > How about calling the function __memequal? Programmers tend to use memequal for functions which return 0 for different inputs: | The consttime_memequal() function compares len bytes of memory at b1 | and b2 for equality, returning 0 if they are distinct and 1 if they | are identical. Thanks, Florian