[FFmpeg-devel] [PATCH 3/4] x86util: import MOVHL macro

[James Darnley]

On 2017-02-14 17:21, Henrik Gramner wrote:
> On Mon, Feb 13, 2017 at 1:44 PM, James Darnley <jdarnley at obe.tv> wrote:
>> Originally committed to x264 in 1637239a by Henrik Gramner who has
>> agreed to re-license it as LGPL.  Original commit message follows.
>>
>>     x86: Avoid some bypass delays and false dependencies
>>
>>     A bypass delay of 1-3 clock cycles may occur on some CPUs when transitioning
>>     between int and float domains, so try to avoid that if possible.
> 
> Not sure if I see the point in copying the original commit message in
> this case, but the patch itself is OK.

It provides a nice "why" for the patch/macro is useful.