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

Henrik Gramner henrik at gramner.com
Tue Feb 14 18:21:00 EET 2017


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.


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