Hello, In attach patch in order to add an AVX2 version for bswap_buf (swap uint32 in a buffer)
Checkasm result (Kaby Lake 10.12) bswap_buf_c: 122.8 bswap_buf_sse2: 67.8 bswap_buf_ssse3: 34.3 bswap_buf_avx2: 21.0 Pass checkasm and fate test for me Martin Jokyo Images
0001-libavcodec-bswapdsp-add-AVX2-func-for-bswap_buf.patch
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