x86/vp9: add AVX and AVX2 MC

Multimedia / FFmpeg - James Almer [gmail.com] - 22 September 2014 20:35 UTC

Roughly 25% faster MC than ssse3 for blocksizes 32 and 64.

6b2caa3 x86/vp9: add AVX and AVX2 MC
libavcodec/x86/constants.c | 3 +-
libavcodec/x86/vp9dsp_init.c | 161 ++++++++++++++++++++++++++----------------
libavcodec/x86/vp9mc.asm | 74 ++++++++++++-------
3 files changed, 150 insertions(+), 88 deletions(-)

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