From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 1992 invoked by alias); 23 Apr 2003 04:05:18 -0000 Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-owner@gcc.gnu.org Received: (qmail 1916 invoked from network); 23 Apr 2003 04:05:17 -0000 Received: from unknown (HELO lacrosse.corp.redhat.com) (66.187.233.200) by sources.redhat.com with SMTP; 23 Apr 2003 04:05:17 -0000 Received: from localhost.localdomain (dhcp-172-16-25-221.sfbay.redhat.com [172.16.25.221]) by lacrosse.corp.redhat.com (8.11.6/8.9.3) with ESMTP id h3N44GV29306; Wed, 23 Apr 2003 00:04:16 -0400 Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by localhost.localdomain (8.12.8/8.12.8) with ESMTP id h3N43wNT009456; Tue, 22 Apr 2003 21:03:58 -0700 Received: (from aoliva@localhost) by localhost.localdomain (8.12.8/8.12.8/Submit) id h3N43w9U009452; Tue, 22 Apr 2003 21:03:58 -0700 To: kenner@vlsi1.ultra.nyu.edu (Richard Kenner) Cc: gcc-patches@gcc.gnu.org, gcc@gcc.gnu.org Subject: Re: DATA_ALIGNMENT vs. DECL_USER_ALIGNMENT References: <10304230111.AA11080@vlsi1.ultra.nyu.edu> From: Alexandre Oliva Organization: GCC Team, Red Hat Date: Wed, 23 Apr 2003 05:31:00 -0000 In-Reply-To: <10304230111.AA11080@vlsi1.ultra.nyu.edu> Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-SW-Source: 2003-04/txt/msg01120.txt.bz2 On Apr 22, 2003, kenner@vlsi1.ultra.nyu.edu (Richard Kenner) wrote: > So the question is when to supress the an optional increase for > objects and I claim the only time should be if there is an alignment > specified *for a particular object*. I suppose we'll have to agree to disagree on this one. I strongly dislike the idea that factoring out an alignment specification from an object definition to a typedef, adjusting the object definition to use the typedef, should have any effect in the way the assembly code emitted for that object definition. -- Alexandre Oliva Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/ Red Hat GCC Developer aoliva@{redhat.com, gcc.gnu.org} CS PhD student at IC-Unicamp oliva@{lsd.ic.unicamp.br, gnu.org} Free Software Evangelist Professional serial bug killer