[PATCH] [POWERPC] Emulate isel (Integer Select) instruction

[Kumar Gala]

On Nov 21, 2007, at 10:50 AM, Geert Uytterhoeven wrote:

> On Wed, 21 Nov 2007, Kumar Gala wrote:
>> On Nov 21, 2007, at 7:09 AM, Geert Uytterhoeven wrote:
>>> On Tue, 20 Nov 2007, Kumar Gala wrote:
>>>> On Nov 20, 2007, at 11:54 AM, Scott Wood wrote:
>>>>> Given that the instruction is meant to be a performance  
>>>>> enhancement,
>>>>> we should probably warn the first few times it's emulated, so  
>>>>> the user
>>>>> knows they should change their toolchain setup if possible.
>>>>
>>>> The same is true of mcrxr, popcntb, and possibly string ld/st.
>>>>
>>>> Feel free to submit a patch that warns about their usage.
>>
>> How about some per processor counters in sysfs under the processor.
>
> Per processor? That means it has to be per_cpu, which sounds a bit  
> like
> overkill to me.

I can probably live with global, not sure that would work with sysfs.

- k