[x265] [arm64] port copy_pp

[Pop, Sebastian]

Hi,

the attached patch ports to arm64 the following kernels:

        copy_pp[  4x4]  16.61x   5.83            96.85
        copy_pp[  8x8]  50.88x   7.41            377.22
[i420] copy_pp[  4x4]  14.85x   6.30            93.47
[i422] copy_pp[  4x8]  22.97x   8.22            188.87
        copy_pp[  8x4]  34.93x   5.30            185.06
[i420] copy_pp[  4x2]  8.28x    5.04            41.73
[i422] copy_pp[  4x4]  15.72x   6.29            98.81
        copy_pp[  4x8]  23.64x   8.14            192.46
[i420] copy_pp[  2x4]  6.75x    6.33            42.71
        copy_pp[16x16]  66.32x   15.32           1015.63
[i420] copy_pp[  8x8]  49.04x   7.65            375.08
[i422] copy_pp[ 8x16]  50.99x   14.65           746.82
        copy_pp[ 16x8]  97.64x   7.68            750.23
[i420] copy_pp[  8x4]  31.06x   5.67            176.22
[i422] copy_pp[  8x8]  48.80x   7.64            372.59
        copy_pp[ 8x16]  51.36x   14.72           755.96
[i420] copy_pp[  4x8]  23.39x   8.45            197.71
[i422] copy_pp[ 4x16]  15.13x   14.94           226.00
        copy_pp[ 16x4]  64.05x   5.41            346.35
[i420] copy_pp[  8x2]  18.09x   4.68            84.73
[i422] copy_pp[  8x4]  32.38x   5.68            183.86
        copy_pp[16x12]  100.95x          11.20           1130.36
[i420] copy_pp[  8x6]  41.51x   6.66            276.47
[i422] copy_pp[ 8x12]  51.20x   11.00           562.99
        copy_pp[ 4x16]  15.67x   14.85           232.74
[i420] copy_pp[  2x8]  9.44x    8.94            84.34
[i422] copy_pp[ 2x16]  7.96x    22.26           177.21
        copy_pp[12x16]  47.22x   23.99           1133.07
[i420] copy_pp[  6x8]  21.64x   12.94           280.07
[i422] copy_pp[ 6x16]  26.33x   24.38           641.85
        copy_pp[32x32]  143.86x          38.77           5577.15
[i420] copy_pp[16x16]  100.09x          14.85           1486.50
[i422] copy_pp[16x32]  96.01x   30.22           2901.08
        copy_pp[32x16]  114.02x          21.69           2472.80
[i420] copy_pp[ 16x8]  85.78x   7.86            674.12
[i422] copy_pp[16x16]  91.62x   14.84           1359.77
        copy_pp[16x32]  73.04x   30.64           2238.22
[i420] copy_pp[ 8x16]  49.44x   14.62           722.68
[i422] copy_pp[ 8x32]  53.63x   30.08           1613.46
        copy_pp[ 32x8]  116.42x          11.64           1355.32
[i420] copy_pp[ 16x4]  58.93x   5.84            344.42
[i422] copy_pp[ 16x8]  88.45x   7.89            697.98
        copy_pp[32x24]  135.31x          29.74           4024.18
[i420] copy_pp[16x12]  92.30x   11.27           1039.98
[i422] copy_pp[16x24]  90.90x   22.38           2034.18
        copy_pp[ 8x32]  48.70x   30.02           1462.12
[i420] copy_pp[ 4x16]  24.31x   14.94           363.09
[i422] copy_pp[ 4x32]  23.94x   30.43           728.37
        copy_pp[24x32]  91.74x   46.34           4251.20
[i420] copy_pp[12x16]  47.35x   24.36           1153.65
[i422] copy_pp[12x32]  43.63x   46.28           2019.02
        copy_pp[64x64]  176.98x          129.35          22893.08
[i420] copy_pp[32x32]  144.42x          39.10           5646.94
[i422] copy_pp[32x64]  153.73x          74.20           11406.21
        copy_pp[64x32]  171.82x          66.15           11365.43
[i420] copy_pp[32x16]  141.05x          21.61           3048.16
[i422] copy_pp[32x32]  150.24x          38.93           5848.20
        copy_pp[32x64]  153.59x          73.28           11254.45
[i420] copy_pp[16x32]  92.93x   30.68           2850.89
[i422] copy_pp[16x64]  95.23x   61.54           5860.84
        copy_pp[64x16]  173.45x          35.12           6091.41
[i420] copy_pp[ 32x8]  126.73x          11.92           1510.15
[i422] copy_pp[32x16]  129.62x          21.63           2803.73
        copy_pp[64x48]  167.00x          97.67           16311.01
[i420] copy_pp[32x24]  132.80x          30.21           4011.50
[i422] copy_pp[32x48]  154.76x          55.84           8642.34
        copy_pp[16x64]  90.05x   61.47           5534.98
[i420] copy_pp[ 8x32]  50.51x   30.05           1517.87
[i422] copy_pp[ 8x64]  48.10x   61.61           2963.15
        copy_pp[48x64]  174.26x          98.45           17156.06
[i420] copy_pp[24x32]  90.07x   46.54           4192.25
[i422] copy_pp[24x64]  92.13x   93.10           8577.37

Ok to commit?

Thanks,
Sebastian

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