From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261377AbVG0S17 (ORCPT ); Wed, 27 Jul 2005 14:27:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262300AbVG0SZR (ORCPT ); Wed, 27 Jul 2005 14:25:17 -0400 Received: from out2.smtp.messagingengine.com ([66.111.4.26]:31917 "EHLO out2.smtp.messagingengine.com") by vger.kernel.org with ESMTP id S262383AbVG0SY7 (ORCPT ); Wed, 27 Jul 2005 14:24:59 -0400 Message-Id: <1122488682.7051.239374398@webmail.messagingengine.com> X-Sasl-Enc: lPYm6tIdpDyACShvY3gWAj358QHaa5mFBAz9mnkilwsI 1122488682 From: "Clayton Weaver" To: linux-kernel@vger.kernel.org Content-Disposition: inline Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="ISO-8859-1" MIME-Version: 1.0 X-Mailer: MIME::Lite 1.5 (F2.73; T1.001; A1.64; B3.05; Q3.03) Subject: Re: xor as a lazy comparison Date: Wed, 27 Jul 2005 11:24:42 -0700 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Is not xor (^) typically compiled to a one cycle instruction regardless of requested optimization level? (May not always have been the case on every target architecture for != equality tests.) Clayton Weaver cgweav at fastmail dot fm PS: Anyone know where I can get a waterproof, battery powered gps that will fit inside the handle of a Fenwick?