Files
FFmpeg/libavcodec
zuxy 56b97c03d4 avcodec/x86/h264_intrapred: Replace pred8x8_top_dc_8_mmxext with SSE2
More about deprecating MMX than any performance gain; nearly identical
performance numbers on my Zen 4 (1.36x vs c), but llvm-mca predicts
>60% perf gain on Intel CPUs newer than Skylake.

Signed-off-by: Zuxy Meng <zuxy.meng@gmail.com>
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