From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261467AbVGYTUA (ORCPT ); Mon, 25 Jul 2005 15:20:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261282AbVGYTT7 (ORCPT ); Mon, 25 Jul 2005 15:19:59 -0400 Received: from mustang.oldcity.dca.net ([216.158.38.3]:42979 "HELO mustang.oldcity.dca.net") by vger.kernel.org with SMTP id S261467AbVGYTSj (ORCPT ); Mon, 25 Jul 2005 15:18:39 -0400 Subject: Re: xor as a lazy comparison From: Lee Revell To: Philippe Troin Cc: Steven Rostedt , Bernd Petrovitsch , Andrew Morton , Linux Kernel Mailing List , Grant Coady , Jan Engelhardt , Puneet Vyas In-Reply-To: <87ackaitlj.fsf@ceramic.fifi.org> References: <42E4131D.6090605@gmail.com> <1122281833.10780.32.camel@tara.firmix.at> <1122314150.6019.58.camel@localhost.localdomain> <1122318659.1472.14.camel@mindpipe> <87ackaitlj.fsf@ceramic.fifi.org> Content-Type: text/plain Date: Mon, 25 Jul 2005 15:18:37 -0400 Message-Id: <1122319117.1472.15.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.2.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2005-07-25 at 12:16 -0700, Philippe Troin wrote: > Lee Revell writes: > > > On Mon, 2005-07-25 at 13:55 -0400, Steven Rostedt wrote: > > > Doesn't matter. The cycles saved for old compilers is not rational to > > > have obfuscated code. > > > > Where do we draw the line with this? Is x *= 2 preferable to x <<= 2 as > > well? > > Depends if you want to multiply by 2 or 4 :-) I guess I just answered my own question ;-) Lee