[FFmpeg-devel] [PATCH 2/4] lavc/mpegvideo: use H263DSP dequant function

[James Almer]

On 6/14/2024 12:11 PM, Rémi Denis-Courmont wrote:
> Le perjantaina 14. kesäkuuta 2024, 17.45.50 EEST Rémi Denis-Courmont a écrit :
>> And x86 only has MMX.
> 
> And the x86 code uses inline assembler. That's not viable on any ISA with sane
> conventions such as Arm or RISC-V. The compiler will reject our vector
> clobbers, unless the Vector extension is included in the compilation target.
> But then that breaks run-time detection, and will be rejected by all Linux
> distros.

I was thinking on removing that inline version and probably replacing it 
with sse2, using the dsp prototypes you introduce in this set.