From owner-freebsd-hackers Thu Dec 5 21:38: 0 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E942D37B401 for ; Thu, 5 Dec 2002 21:37:59 -0800 (PST) Received: from hotmail.com (f26.pav0.hotmail.com [64.4.32.210]) by mx1.FreeBSD.org (Postfix) with ESMTP id AE1E843E9C for ; Thu, 5 Dec 2002 21:37:59 -0800 (PST) (envelope-from oykai@msn.com) Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Thu, 5 Dec 2002 21:37:59 -0800 Received: from 210.74.136.33 by pv0fd.pav0.hotmail.msn.com with HTTP; Fri, 06 Dec 2002 05:37:58 GMT X-Originating-IP: [210.74.136.33] From: "kai ouyang" To: hackers@FreeBSD.org Subject: Re: One GNU ASM syntax problem Date: Fri, 06 Dec 2002 13:37:58 +0800 Mime-Version: 1.0 Content-Type: text/plain; charset=gb2312; format=flowed Message-ID: X-OriginalArrivalTime: 06 Dec 2002 05:37:59.0480 (UTC) FILETIME=[A2F0D380:01C29CE9] Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG >I do not know the difference between "+" and "=". why? Thank you, I got it from 'info gcc'. It is the reason that "Extended asm supports input-output or read-write operands. Use the constraint character `+' to indicate such an operand and list it with the output operands.". Best Regards Ouyang Kai _________________________________________________________________ 与联机的朋友进行交流，请使用 MSN Messenger: http://messenger.msn.com/cn To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message