[x265] [PATCH] asm: assembly code for pixel_sad_64x32

[Steve Borho]

On Wed, Oct 30, 2013 at 3:16 AM, <dnyaneshwar at multicorewareinc.com> wrote:

> # HG changeset patch
> # User Dnyaneshwar Gorade <dnyaneshwar at multicorewareinc.com>
> # Date 1383120938 -19800
> #      Wed Oct 30 13:45:38 2013 +0530
> # Node ID c08f78ad73bf677164f3ffec707a1fb22de21d59
> # Parent  147651ebea036e9378966a8e1e187dbab72d3896
> asm: assembly code for pixel_sad_64x32
>
> diff -r 147651ebea03 -r c08f78ad73bf source/common/x86/asm-primitives.cpp
> --- a/source/common/x86/asm-primitives.cpp      Wed Oct 30 13:25:12 2013
> +0530
> +++ b/source/common/x86/asm-primitives.cpp      Wed Oct 30 13:45:38 2013
> +0530
> @@ -247,6 +247,7 @@
>          p.sad[LUMA_32x64]  = x265_pixel_sad_32x64_sse2;
>
>          p.sad[LUMA_64x16]  = x265_pixel_sad_64x16_sse2;
>

this bit of patch context implies this patch needs sad_64x16 to be checked
in, but I haven't seen such a patch


> +        p.sad[LUMA_64x32]  = x265_pixel_sad_64x32_sse2;
>
>          ASSGN_SSE(sse2);
>          INIT2(sad, _sse2);
> diff -r 147651ebea03 -r c08f78ad73bf source/common/x86/sad-a.asm
> --- a/source/common/x86/sad-a.asm       Wed Oct 30 13:25:12 2013 +0530
> +++ b/source/common/x86/sad-a.asm       Wed Oct 30 13:45:38 2013 +0530
> @@ -774,6 +774,36 @@
>      movd    eax, m0
>      RET
>
>
> +;-----------------------------------------------------------------------------
> +; int pixel_sad_64x32( uint8_t *, intptr_t, uint8_t *, intptr_t )
>
> +;-----------------------------------------------------------------------------
> +cglobal pixel_sad_64x32, 4,4,5
> +    pxor  m0,  m0
> +    mov   r4,  32
> +
> +.loop
> +    PROCESS_SAD_64x4
> +    lea     r2,  [r2 + r3]
> +    lea     r0,  [r0 + r1]
> +
> +    PROCESS_SAD_64x4
> +    lea     r2,  [r2 + r3]
> +    lea     r0,  [r0 + r1]
> +
> +    sub   r4,  8
> +    cmp   r4,  8
> +
> +jnz .loop
> +    PROCESS_SAD_64x4
> +    lea   r2,  [r2 + r3]
> +    lea   r0,  [r0 + r1]
> +    PROCESS_SAD_64x4
> +
> +    movhlps m1,  m0
> +    paddd   m0,  m1
> +    movd    eax, m0
> +    RET
> +
>  %endmacro
>
>  INIT_XMM sse2
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>



-- 
Steve Borho
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