From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43)
	id 1LIblc-0004ta-Pn
	for qemu-devel@nongnu.org; Thu, 01 Jan 2009 23:36:12 -0500
Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43)
	id 1LIblY-0004rG-Da
	for qemu-devel@nongnu.org; Thu, 01 Jan 2009 23:36:11 -0500
Received: from [199.232.76.173] (port=60975 helo=monty-python.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43) id 1LIblY-0004rD-7t
	for qemu-devel@nongnu.org; Thu, 01 Jan 2009 23:36:08 -0500
Received: from mx20.gnu.org ([199.232.41.8]:48725)
	by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32)
	(Exim 4.60) (envelope-from <paul@codesourcery.com>)
	id 1LIblX-0000hN-VA
	for qemu-devel@nongnu.org; Thu, 01 Jan 2009 23:36:08 -0500
Received: from mail.codesourcery.com ([65.74.133.4])
	by mx20.gnu.org with esmtp (Exim 4.60)
	(envelope-from <paul@codesourcery.com>) id 1LIblV-0008U3-KN
	for qemu-devel@nongnu.org; Thu, 01 Jan 2009 23:36:05 -0500
From: Paul Brook <paul@codesourcery.com>
Subject: Re: [Qemu-devel] [PATCH] tcg_temp_local_new should take no parameter
Date: Fri, 2 Jan 2009 04:36:01 +0000
References: <761ea48b0901010519h798dac6at764a799ed630b81c@mail.gmail.com>
	<20090101143649.GA18298@miranda.arrow>
In-Reply-To: <20090101143649.GA18298@miranda.arrow>
MIME-Version: 1.0
Content-Type: text/plain;
  charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
Message-Id: <200901020436.01777.paul@codesourcery.com>
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: qemu-devel@nongnu.org

> The SH4 emulation seems to use 'plain' TCGv mostly, expects it to be
> 32-bits, and doesn't use the _tl macros, which I suppose is reasonable
> for a 32-bit only target.
>
> Alpha, ARM and M68K do something similar (so I'll try to follow the
> style that they use) but CRIS uses _tl a lot, which seems peculiar...

The distinction only really makes sense on CPUs that have both 32-bit and 
64-bit variants.  Chances are that if a 64-bit arm/m68k/cris cpu were to 
exist then most of the code would need auditing anyway, so it's mostly a 
matter of personal preference which is used.

Paul