it was due to a testing , not MMX. fixed it in this reply.

flow gg <hlefthleft@gmail.com> 于2024年2月13日周二 10:37写道：

> I sended  "[FFmpeg-devel] [PATCH] x86: Remove MMX assembly
> rv34_inv_transform_dc in rv34dsp"
>
> Rémi Denis-Courmont <remi@remlab.net> 于2024年2月13日周二 03:37写道：
>
>> Le perjantaina 2. helmikuuta 2024, 2.47.16 EET flow gg a écrit :
>> > It seems to be caused by movd m0, r1d in libavcodec/x86/rv34dsp.asm? I'm
>> > not quite sure.
>>
>> If it affects only MMX and neither SSE nor AVX, add a patch to remove the
>> offending code altogether.
>>
>> It's ridiculous to hold checkasm tests off because of broken legacy code.
>>
>> --
>> Rémi Denis-Courmont
>> http://www.remlab.net/
>>
>>
>>
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>