From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg Ungerer Subject: Re: [PATCH] m68k: add ColdFire FPU support for the V4e ColdFire CPU's Date: Fri, 4 Nov 2011 11:16:07 +1000 Message-ID: <4EB33CD7.2070509@snapgear.com> References: <1320299645-9105-1-git-send-email-gerg@snapgear.com> <1320299645-9105-2-git-send-email-gerg@snapgear.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from dalsmrelay2.nai.com ([205.227.136.216]:50094 "EHLO dalsmrelay2.nai.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750777Ab1KDBOs (ORCPT ); Thu, 3 Nov 2011 21:14:48 -0400 In-Reply-To: Sender: linux-m68k-owner@vger.kernel.org List-Id: linux-m68k@vger.kernel.org To: Geert Uytterhoeven Cc: linux-m68k@vger.kernel.org, Greg Ungerer Hi Geert, On 03/11/11 18:28, Geert Uytterhoeven wrote: > On Thu, Nov 3, 2011 at 06:54, wrote: >> The ColdFire FPU is of course different to all previous 68k FP units. It is >> close in operation to the 68060, but not completely compatible. The biggest >> issue to deal with is that the ColdFire FPU multi-move instructions are >> different. It does not support multi-moving the FP control registers, and >> the multi-move of the FP data registers uses a different instruction >> neumonic. > > mnemonic Thanks! Regards Greg ------------------------------------------------------------------------ Greg Ungerer -- Principal Engineer EMAIL: gerg@snapgear.com SnapGear Group, McAfee PHONE: +61 7 3435 2888 8 Gardner Close FAX: +61 7 3217 5323 Milton, QLD, 4064, Australia WEB: http://www.SnapGear.com