Hello,

> > The second is the v210enc function, it passes checkasm but
> > it is not any faster.  It is there to show that all the previous
> > commits work correctly, namely: configure checks, cpuid
> > detection, x86inc changes, checkasm.
>
> <http://ffmpeg.org/mailman/listinfo/ffmpeg-devel>
>

If the goal is to check other patches, you can probably use simpler func,
but "really" adapt for AVX512
like blockdsp and/or losslessvideodsp->addbytes, who can probably switch to
AVX512, without lot of work

for losslessvideodsp, (see libavcodec/lossless_videodsp : add add_bytes
AVX2 discussion (not yet apply))
the mmsize, is basically enough to make basic test

Both have checkasm already write, and can really test the "zmm part"

Martin
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