Messages in this thread | | | Date | Tue, 27 Sep 2005 11:38:04 -0700 | From | Tim Bird <> | 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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