From: Greg Ungerer <gerg@snapgear.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: linux-m68k@vger.kernel.org, Greg Ungerer <gerg@uclinux.org>
Subject: Re: [PATCH] m68k: add ColdFire FPU support for the V4e ColdFire CPU's
Date: Fri, 4 Nov 2011 11:16:07 +1000 [thread overview]
Message-ID: <4EB33CD7.2070509@snapgear.com> (raw)
In-Reply-To: <CAMuHMdUCzjkGL_Z3ki9nNrreL_+hxa2dwLZZ+LLB250w4UfYNA@mail.gmail.com>
Hi Geert,
On 03/11/11 18:28, Geert Uytterhoeven wrote:
> On Thu, Nov 3, 2011 at 06:54,<gerg@snapgear.com> 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
prev parent reply other threads:[~2011-11-04 1:14 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-03 5:54 [PATCH] m68k: add ColdFire FPU support for the V4e ColdFire CPU's gerg
2011-11-03 5:54 ` gerg
2011-11-03 6:44 ` Finn Thain
2011-11-03 6:53 ` Finn Thain
2011-11-03 7:01 ` Greg Ungerer
2011-11-03 8:28 ` Geert Uytterhoeven
2011-11-04 1:16 ` Greg Ungerer [this message]
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