Martin Storsjö authored Aug 25, 2015 and Henrik Gramner committed Oct 11, 2015

checkasm timing              Cortex-A7      A8     A9
deblock_chroma_420_intra_mbaff_c    1469    1276   1181
deblock_chroma_420_intra_mbaff_neon 981     717    644
deblock_chroma_intra[1]_c           2954    2402   2321
deblock_chroma_intra[1]_neon        947     581    575
deblock_h_chroma_420_intra_c        2859    2509   2264
deblock_h_chroma_420_intra_neon     1480    1119   1028
deblock_h_chroma_422_intra_c        6211    5030   4792
deblock_h_chroma_422_intra_neon     2894    1990   2077