From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: with ECARTIS (v1.0.0; list xfs); Fri, 14 Mar 2008 21:45:13 -0700 (PDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.168.28]) by oss.sgi.com (8.12.11.20060308/8.12.11/SuSE Linux 0.7) with ESMTP id m2F4j3Tu026048 for ; Fri, 14 Mar 2008 21:45:04 -0700 Received: from sandeen.net (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id C03BEFA55C5 for ; Fri, 14 Mar 2008 21:45:35 -0700 (PDT) Received: from sandeen.net (sandeen.net [209.173.210.139]) by cuda.sgi.com with ESMTP id BFVLfC7FDonwCBt6 for ; Fri, 14 Mar 2008 21:45:35 -0700 (PDT) Message-ID: <47DB5470.5020000@sandeen.net> Date: Fri, 14 Mar 2008 23:45:36 -0500 From: Eric Sandeen MIME-Version: 1.0 Subject: Re: [PATCH] fix dir2 shortform structures on ARM old ABI References: <47DB4181.7040603@sandeen.net> <20080315041722.GA25621@josefsipek.net> <47DB4F4F.8030407@sandeen.net> <20080315043622.GA11547@puku.stupidest.org> In-Reply-To: <20080315043622.GA11547@puku.stupidest.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: xfs-bounce@oss.sgi.com Errors-to: xfs-bounce@oss.sgi.com List-Id: xfs To: Chris Wedgwood Cc: Josef 'Jeff' Sipek , xfs-oss Chris Wedgwood wrote: > On Fri, Mar 14, 2008 at 11:23:43PM -0500, Eric Sandeen wrote: > >> I think that packing structures when they don't need to be can >> actually be harmful, efficiency-wise. I read a nice explanation of >> this.... which I can't find now. > > objdump -d would show if that was the case... it would show if that was the case for the particular compiler you test I guess. -Eric