From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43)
	id 1GxMLp-0003OH-VP
	for qemu-devel@nongnu.org; Thu, 21 Dec 2006 06:44:42 -0500
Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43)
	id 1GxMLn-0003O5-Ul
	for qemu-devel@nongnu.org; Thu, 21 Dec 2006 06:44:41 -0500
Received: from [199.232.76.173] (helo=monty-python.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43) id 1GxMLn-0003O2-Ps
	for qemu-devel@nongnu.org; Thu, 21 Dec 2006 06:44:39 -0500
Received: from [193.7.176.60] (helo=mail.bawue.net)
	by monty-python.gnu.org with esmtps
	(TLS-1.0:DHE_RSA_AES_256_CBC_SHA:32) (Exim 4.52) id 1GxMLm-0008PV-R9
	for qemu-devel@nongnu.org; Thu, 21 Dec 2006 06:44:39 -0500
Date: Thu, 21 Dec 2006 11:32:34 +0000
From: Thiemo Seufer <ths@networkno.de>
Subject: Re: [Qemu-devel] qemu hw/mips_r4k.c target-mips/cpu.h target-mip...
Message-ID: <20061221113234.GA30873@networkno.de>
References: <E1GxCbE-0000Xp-GU@savannah.gnu.org> <458A57B6.3080901@bellard.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <458A57B6.3080901@bellard.org>
Reply-To: qemu-devel@nongnu.org
List-Id: qemu-devel.nongnu.org
List-Unsubscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/pipermail/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: Fabrice Bellard <fabrice@bellard.org>
Cc: qemu-devel@nongnu.org

Fabrice Bellard wrote:
> You should suppress the SIGN_EXTEND32() macro and just use an 'int32_t' 
> cast...

Then it may not work. A MIPS64 CPU requires properly sign-extended
32bit values. Host architectures can define either sign- or zero-
Extension for 32bit values in 64bit Registers.


Thiemo