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ffmpeg/tests
Zuxy Meng 270e18c364 avcodec/x86/h264: convert chroma MC MMX to SSE2
Convert the last MMX (mmxext) chroma MC functions, 8-bit mc2
put/avg and 10-bit mc4/mc2 put/avg, to SSE2. pshufw becomes
pshuflw (identical low half); the 10-bit MC4 macro needs no code
change (SPLATW is dual-ISA). Dispatch moves from EXTERNAL_MMXEXT
to EXTERNAL_SSE2.

checkasm h264chroma passes. No difference in performance.
2026-10-17 18:41:34 -07:00
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