On 07/28/2012 05:05 PM, Ronald S. Bultje wrote:
> Hi,
> 
> On Fri, Jul 27, 2012 at 5:48 PM, Ronald S. Bultje <[email protected]> wrote:
>> On Fri, Jul 27, 2012 at 2:43 PM, Måns Rullgård <[email protected]> wrote:
>>> However, the question still remains why it is in generic code.
>>
>> That's hard to say in hindsight, but it seems it was for simplicity so
>> that you don't have to add it to each individual mmx function, thus
>> making the asumption they would all use movntq. See also (directly
>> under the #endif, just outside the context in this patch) its use of
>> EMMS, even if it only called SSE2 functions and thus the MMX state was
>> never clobbered...
> 
> Ping on the patch itself also - can we keep it, at least for now? I
> don't midn refactoring sfence out at some point, but that's a separate
> task from the point of this patch.

Probably we should keep notes or bite the bullet and replace this happy
monster.

I wouldn't spend more time discussing this specific patch for now.

lu

-- 

Luca Barbato
Gentoo/linux
http://dev.gentoo.org/~lu_zero

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