[x265] [arm64] port filterPixelToShort

[chen]

Could you please also try comments in last email? thanks.

At 2021-06-24 09:09:09, "Pop, Sebastian" <spop at amazon.com> wrote:

> +.macro filterPixelToShort_64xN h

> +function x265_filterPixelToShort_64x\h\()_neon

> +    add             x3, x3, x3

> +    sub             x3, x3, #0x40

> +    movi            v4.8h, #0xe0, lsl #8

> +.rept \h

> I guess unroll N is not good idea, because the code section too large, it most probability to make cache flush and missing.

 

Please see attached the amended patch to include the loop.

Ok to commit?

 

Thanks,

Sebastian
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