From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 4964 invoked by alias); 12 Jul 2005 21:23:05 -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 4940 invoked by uid 22791); 12 Jul 2005 21:22:56 -0000 Received: from fencepost.gnu.org (HELO fencepost.gnu.org) (199.232.76.164) by sourceware.org (qpsmtpd/0.30-dev) with ESMTP; Tue, 12 Jul 2005 21:22:56 +0000 Received: from monty-python.gnu.org ([199.232.76.173]) by fencepost.gnu.org with esmtp (Exim 4.34) id 1DsSAR-00045q-92 for gcc@gnu.org; Tue, 12 Jul 2005 17:19:51 -0400 Received: from Debian-exim by monty-python.gnu.org with spam-scanned (Exim 4.34) id 1DsS6H-0001U4-03 for gcc@gnu.org; Tue, 12 Jul 2005 17:15:33 -0400 Received: from [195.188.213.7] (helo=smtp-out4.blueyonder.co.uk) by monty-python.gnu.org with esmtp (Exim 4.34) id 1DsS6G-0001Th-Or for gcc@gnu.org; Tue, 12 Jul 2005 17:15:32 -0400 Received: from [192.168.1.100] ([82.33.58.80]) by smtp-out4.blueyonder.co.uk with Microsoft SMTPSVC(5.0.2195.6713); Tue, 12 Jul 2005 22:08:19 +0100 In-Reply-To: <42D42EE9.5020000@gmx.net> References: <42D42EE9.5020000@gmx.net> Mime-Version: 1.0 (Apple Message framework v730) Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: <256A0A86-1CC8-4C50-BE02-F6AECEDC3102@adamwood.com> Cc: gcc@gnu.org Content-Transfer-Encoding: 7bit From: Adam Wood Subject: Re: 64-bit on A64 running 32-bit Date: Tue, 12 Jul 2005 21:23:00 -0000 To: David Rasmussen X-SW-Source: 2005-07/txt/msg00526.txt.bz2 On 12 Jul 2005, at 21:58, David Rasmussen wrote: > If I am running Windows XP or some regular 32-bit Linux > distribution, can I still use gcc 3.4.x to compile a 64-bit A64 > version of my code? > > I have a program that uses 64-bit integers heavily, and I would > like it to utilize 64-bit mode in A64, even if this A64 is running > a 32-bit OS. > > Is this possible? Or is 32-bit and 64-bit entirely different > "modes" on A64? > > /David > They are different modes -- you need an OS that can transition to the 64 bit modes, so that's Windows 64 bit or a 64-bit Linux distribution, for example. -- Adam