Re: [ANNOUNCE] ktimers subsystem

Tim Bird
2005-09-27T18:38:09Z

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.

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