avcodec/mips: [loongson] refine optimization in h264_chroma.

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Remove invalid operation in the case x and y all equal 0,
this refine made about 2% speedup for H264 decode on loongson platform.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

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Shiyou Yin 2018-11-06 08:59:13 +08:00 • committed by Michael Niedermayer

parent 5c806d5b54

commit 5982614af1

1 changed files with 423 additions and 541 deletions

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libavcodec/mips/h264chroma_mmi.c

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