From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 16530 invoked by alias); 28 Jun 2005 19:20:16 -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 16464 invoked by uid 22791); 28 Jun 2005 19:20:04 -0000 Received: from nile.gnat.com (HELO nile.gnat.com) (205.232.38.5) by sourceware.org (qpsmtpd/0.30-dev) with ESMTP; Tue, 28 Jun 2005 19:20:04 +0000 Received: from localhost (localhost [127.0.0.1]) by filtered-nile.gnat.com (Postfix) with ESMTP id EFEE99628; Tue, 28 Jun 2005 15:20:02 -0400 (EDT) Received: from nile.gnat.com ([127.0.0.1]) by localhost (nile.gnat.com [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 23245-01-5; Tue, 28 Jun 2005 15:20:02 -0400 (EDT) Received: from [127.0.0.1] (taconic.gnat.com [205.232.38.103]) by nile.gnat.com (Postfix) with ESMTP id A5240960F; Tue, 28 Jun 2005 15:20:02 -0400 (EDT) Message-ID: <42C1A2E1.1020606@adacore.com> Date: Tue, 28 Jun 2005 19:20:00 -0000 From: Robert Dewar User-Agent: Mozilla Thunderbird 0.8 (Windows/20040913) MIME-Version: 1.0 To: Andrew Pinski CC: Olivier Galibert , 'Gabriel Dos Reis' , 'gcc mailing list' , 'Andrew Haley' , Dave Korn Subject: Re: signed is undefined and has been since 1992 (in GCC) References: <20050628180203.GG52889@dspnet.fr.eu.org> <20050628191006.GI52889@dspnet.fr.eu.org> <882882640c20778910272cdd8e19eff4@physics.uc.edu> In-Reply-To: <882882640c20778910272cdd8e19eff4@physics.uc.edu> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-SW-Source: 2005-06/txt/msg01185.txt.bz2 Andrew Pinski wrote: > No it is not. It was when it was designed yes but since the C standard has > come out and the aliasing rules really show that it is not a high level > assembler language any more. Even when it was designed there was more abstraction than you think (e.g. cannot convert *char value to *int, cannot compare addresses in different allocated objects).