From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 15562 invoked by alias); 19 Feb 2008 18:25:29 -0000 Received: (qmail 15549 invoked by uid 22791); 19 Feb 2008 18:25:28 -0000 X-Spam-Check-By: sourceware.org Received: from smtp1.dnsmadeeasy.com (HELO smtp1.dnsmadeeasy.com) (205.234.170.144) by sourceware.org (qpsmtpd/0.31) with ESMTP; Tue, 19 Feb 2008 18:25:08 +0000 Received: from smtp1.dnsmadeeasy.com (localhost [127.0.0.1]) by smtp1.dnsmadeeasy.com (Postfix) with ESMTP id 253063149D1; Tue, 19 Feb 2008 18:25:19 +0000 (UTC) X-Authenticated-Name: js.dnsmadeeasy X-Transit-System: In case of SPAM please contact abuse@dnsmadeeasy.com Received: from avtrex.com (unknown [67.116.42.147]) by smtp1.dnsmadeeasy.com (Postfix) with ESMTP; Tue, 19 Feb 2008 18:25:19 +0000 (UTC) Received: from dl2.hq2.avtrex.com ([192.168.7.26]) by avtrex.com with Microsoft SMTPSVC(6.0.3790.1830); Tue, 19 Feb 2008 10:25:05 -0800 Message-ID: <47BB1F00.4080909@avtrex.com> Date: Tue, 19 Feb 2008 18:30:00 -0000 From: David Daney User-Agent: Thunderbird 2.0.0.9 (X11/20071115) MIME-Version: 1.0 To: Dave Korn Cc: 'Sheng-Liang Song' , 'Bin Chen' , 'Eli Zaretskii' , gdb@sourceware.org Subject: Re: (len % 1) != 0 References: <5800c1cc0802162157g3ac31acas4ae95585b9b2e263@mail.gmail.com> <5800c1cc0802170641g68ab2e5fte724cd076412333@mail.gmail.com> <20080217152625.GA4810@caradoc.them.org> <47BB03ED.5060708@baymicrosystems.com> <007f01c87324$00f45a90$2e08a8c0@CAM.ARTIMI.COM> In-Reply-To: <007f01c87324$00f45a90$2e08a8c0@CAM.ARTIMI.COM> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Mailing-List: contact gdb-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sourceware.org X-SW-Source: 2008-02/txt/msg00134.txt.bz2 Dave Korn wrote: > On 19 February 2008 16:30, Sheng-Liang Song wrote: > >> or >> >> (len & 1) != 0 <=> (len % 2) != 0 >> > > That would have the advantage of not requiring a divide operation :) > But GCC will fold it to the bitwise and form, so it doesn't really matter. David Daney