[FFmpeg-devel] [PATCH 2/2] x86/vf_v360: use a faster horizontal add in remap4_8bit_line_avx2

[Paul B Mahol]

LGTM

On 9/6/19, James Almer <jamrial at gmail.com> wrote:
> Signed-off-by: James Almer <jamrial at gmail.com>
> ---
>  libavfilter/x86/vf_v360.asm | 11 ++++-------
>  1 file changed, 4 insertions(+), 7 deletions(-)
>
> diff --git a/libavfilter/x86/vf_v360.asm b/libavfilter/x86/vf_v360.asm
> index f49702b603..a0936eb6dc 100644
> --- a/libavfilter/x86/vf_v360.asm
> +++ b/libavfilter/x86/vf_v360.asm
> @@ -130,14 +130,11 @@ cglobal remap4_8bit_line, 7, 9, 11, dst, width, src,
> in_linesize, u, v, ker, x,
>          pmulld          m4, m5
>
>          paddd           m2, m4
> -        vextracti128   xm1, m2, 1
> -        paddd           m1, m2
> -        phaddd          m1, m1
> -        phaddd          m1, m1
> -        psrld           m1, m1, 0xe
> -        packuswb        m1, m1
> +        HADDD           m2, m1
> +        psrld           m2, m2, 0xe
> +        packuswb        m2, m2
>
> -        pextrb   [dstq+xq], xm1, 0
> +        pextrb   [dstq+xq], xm2, 0
>
>          add   xq, 1
>          add   yq, 32
> --
> 2.22.0
>
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