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Date: Tue, 27 Sep 2005 11:38:04 -0700
From: Tim Bird <tim.bird@am.sony.com>
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To: Roman Zippel <zippel@linux-m68k.org>
CC: Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
       Christopher Friesen <cfriesen@nortel.com>, linux-kernel@vger.kernel.org,
       akpm@osdl.org, george@mvista.com, johnstul@us.ibm.com,
       paulmck@us.ibm.com
Subject: Re: [ANNOUNCE] ktimers subsystem
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Roman Zippel wrote:
> On Sun, 25 Sep 2005, Thomas Gleixner wrote:
>>Can you please point out which architectures do not have a 32x32->64
>>instruction ?

<snip>
> For the rest you might want to check <asm/div64.h>, if div64 has to be 
> emulated, there are good chances this instruction has to be emulated as 
> well (especially in smaller embedded archs).

Hmmm.  In my experience, there are several embedded platforms
with a 32x32->64 instruction, which are lacking a div64 instruction.
I don't think checking for div64 is a very good metric here.

=============================
Tim Bird
Architecture Group Chair, CE Linux Forum
Senior Staff Engineer, Sony Electronics
=============================

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