[x265] [PATCH] asm code for interp_4tap_vert_pp_8x2

Praveen Tiwari praveen at multicorewareinc.com
Tue Oct 22 17:24:38 CEST 2013


I just missed to add flag " Review only".


On Tue, Oct 22, 2013 at 8:53 PM, <praveen at multicorewareinc.com> wrote:

> # HG changeset patch
> # User Praveen Tiwari
> # Date 1382455384 -19800
> # Node ID 93a50baa316f2cf82ef65e0ea639a8b36ac160fa
> # Parent  9245a882ccee89fc1d158b501587bac7d6e081e4
> asm code for interp_4tap_vert_pp_8x2
>
> diff -r 9245a882ccee -r 93a50baa316f source/common/x86/ipfilter8.asm
> --- a/source/common/x86/ipfilter8.asm   Mon Oct 21 22:45:55 2013 -0500
> +++ b/source/common/x86/ipfilter8.asm   Tue Oct 22 20:53:04 2013 +0530
> @@ -35,6 +35,9 @@
>             db 4, 5, 6, 7, 8,  9,  10, 11, 5, 6, 7, 8,  9,  10, 11, 12
>             db 6, 7, 8, 9, 10, 11, 12, 13, 7, 8, 9, 10, 11, 12, 13, 14
>
> +tab_Vm:    db 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1
> +           db 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3
> +
>  tab_c_512:  times 8 dw 512
>
>  tab_ChromaCoeff: db  0, 64,  0,  0
> @@ -621,3 +624,62 @@
>      IPFILTER_LUMA 48, 64
>      IPFILTER_LUMA 64, 16
>      IPFILTER_LUMA 16, 64
> +
>
> +;-----------------------------------------------------------------------------
> +; void interp_4tap_vert_pp_%1x%2(pixel *src, intptr_t srcStride, pixel
> *dst, intptr_t dstStride, int coeffIdx)
>
> +;-----------------------------------------------------------------------------
> +INIT_XMM sse4
> +cglobal interp_4tap_vert_pp_8x2, 0, 7, 8
> +mov         r0,       r0mp
> +mov         r1,       r1mp
> +mov         r2,       r2mp
> +mov         r3,       r3mp
> +mov         r4d,      r4m
> +
> +sub         r0,       r1
> +movq        m0,        [r0]
> +movq        m1,        [r0 + r1]
> +movq        m2,        [r0 + 2 * r1]
> +lea         r5,        [r0 + 2 * r1]
> +movq        m3,        [r5 + r1]
> +
> +punpcklbw   m0,          m1
> +punpcklbw   m4,          m2,          m3
> +
> +%ifdef PIC
> +lea         r6,        [tab_ChromaCoeff]
> +movd        m5,        [r6 + r4 * 4]
> +%else
> +movd        m5,        [tab_ChromaCoeff + r4 * 4]
> +%endif
> +
> +mova        m6,        [tab_Vm]
> +pshufb      m7,        m5,       m6
> +pmaddubsw   m0,        m7
> +
> +mova        m6,        [tab_Vm + 16]
> +pshufb      m5,        m6
> +pmaddubsw   m4,        m5
> +
> +paddw       m0,        m4
> +
> +mova        m6,        [tab_c_512]
> +
> +pmulhrsw    m0,        m6
> +packuswb    m0,        m0
> +movh        [r2],      m0
> +
> +movq        m4,        [r0 + 4 * r1]
> +
> +punpcklbw   m1,        m2
> +punpcklbw   m3,        m4
> +
> +pmaddubsw   m1,        m7
> +pmaddubsw   m3,        m5
> +
> +paddw       m1,        m3
> +
> +pmulhrsw    m1,        m6
> +packuswb    m1,        m1
> +movh        [r2 + r3],      m1
> +RET
>
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