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