[x265] [PATCH] asm code for blockcopy_sp, 8xN blocks

Steve Borho steve at borho.org
Wed Nov 6 09:53:36 CET 2013


On Wed, Nov 6, 2013 at 12:34 AM, <praveen at multicorewareinc.com> wrote:

> # HG changeset patch
> # User Praveen Tiwari
> # Date 1383719675 -19800
> # Node ID 49db88288b33314b7157793c3a71ef613bfe5f21
> # Parent  7cdcf1a03d93f8f007d9d111129d29ab31513310
> asm code for blockcopy_sp, 8xN blocks
>
> diff -r 7cdcf1a03d93 -r 49db88288b33 source/common/x86/asm-primitives.cpp
> --- a/source/common/x86/asm-primitives.cpp      Tue Nov 05 14:53:10 2013
> -0600
> +++ b/source/common/x86/asm-primitives.cpp      Wed Nov 06 12:04:35 2013
> +0530
> @@ -326,6 +326,15 @@
>
>          CHROMA_BLOCKCOPY(_sse2);
>          LUMA_BLOCKCOPY(_sse2);
> +
> +//This function pointer initaliztion is temprory will be remove later
> with macro definitions.
> +//It is used to avoid linker error until all partion are coded and commit
> smaller patches, easier to review.
>

space after //

initialization, temporary, partition. you should enable a spell checker in
your editor


> +
> +        p.chroma_copy_sp[CHROMA_8x2] = x265_blockcopy_sp_8x2_sse2;
> +        p.chroma_copy_sp[CHROMA_8x4] = x265_blockcopy_sp_8x4_sse2;
> +        p.chroma_copy_sp[CHROMA_8x6] = x265_blockcopy_sp_8x6_sse2;
> +        p.chroma_copy_sp[CHROMA_8x8] = x265_blockcopy_sp_8x8_sse2;
> +        p.chroma_copy_sp[CHROMA_8x16] = x265_blockcopy_sp_8x16_sse2;
>  #if X86_64
>          p.satd[LUMA_8x32] = x265_pixel_satd_8x32_sse2;
>          p.satd[LUMA_16x4] = x265_pixel_satd_16x4_sse2;
> diff -r 7cdcf1a03d93 -r 49db88288b33 source/common/x86/blockcopy8.asm
> --- a/source/common/x86/blockcopy8.asm  Tue Nov 05 14:53:10 2013 -0600
> +++ b/source/common/x86/blockcopy8.asm  Wed Nov 06 12:04:35 2013 +0530
> @@ -27,6 +27,8 @@
>
>  SECTION_RODATA 32
>
> +tab_Vm:    db 0, 2, 4, 6, 8, 10, 12, 14, 0, 0, 0, 0, 0, 0, 0, 0
> +
>  SECTION .text
>
>
>  ;-----------------------------------------------------------------------------
> @@ -796,3 +798,195 @@
>  BLOCKCOPY_PP_W64_H2 64, 32
>  BLOCKCOPY_PP_W64_H2 64, 48
>  BLOCKCOPY_PP_W64_H2 64, 64
> +
>
> +;-----------------------------------------------------------------------------
> +; void blockcopy_sp_8x2(pixel *dest, intptr_t destStride, int16_t *src,
> intptr_t srcStride)
>
> +;-----------------------------------------------------------------------------
> +INIT_XMM sse2
> +cglobal blockcopy_sp_8x2, 4, 4, 3, dest, destStride, src, srcStride
> +
> +add        r3,        r3
> +
> +mova       m0,        [tab_Vm]
> +
> +movu       m1,        [r2]
> +movu       m2,        [r2 + r3]
> +
> +pshufb     m1,        m0
> +pshufb     m2,        m0
> +
> +movh       [r0],      m1
> +movh       [r0 + r1], m2
> +
> +RET
> +
>
> +;-----------------------------------------------------------------------------
> +; void blockcopy_sp_8x4(pixel *dest, intptr_t destStride, int16_t *src,
> intptr_t srcStride)
>
> +;-----------------------------------------------------------------------------
> +INIT_XMM sse2
> +cglobal blockcopy_sp_8x4, 4, 5, 5, dest, destStride, src, srcStride
> +
> +add        r3,     r3
> +
> +mova       m0,     [tab_Vm]
> +
> +movu       m1,     [r2]
> +movu       m2,     [r2 + r3]
> +movu       m3,     [r2 + 2 * r3]
> +lea        r4,     [r2 + 2 * r3]
> +movu       m4,     [r4 + r3]
> +
> +pshufb     m1,     m0
> +pshufb     m2,     m0
> +pshufb     m3,     m0
> +pshufb     m4,     m0
> +
> +movh       [r0],          m1
> +movh       [r0 + r1],     m2
> +movh       [r0 + 2 * r1], m3
> +lea        r4,            [r0 + 2 * r1]
> +movh       [r4 + r1],     m4
> +
> +RET
> +
>
> +;-----------------------------------------------------------------------------
> +; void blockcopy_sp_8x6(pixel *dest, intptr_t destStride, int16_t *src,
> intptr_t srcStride)
>
> +;-----------------------------------------------------------------------------
> +INIT_XMM sse2
> +cglobal blockcopy_sp_8x6, 4, 5, 7, dest, destStride, src, srcStride
> +
> +add        r3,      r3
> +
> +mova       m0,      [tab_Vm]
> +
> +movu       m1,      [r2]
> +movu       m2,      [r2 + r3]
> +movu       m3,      [r2 + 2 * r3]
> +lea        r4,      [r2 + 2 * r3]
> +movu       m4,      [r4 + r3]
> +movu       m5,      [r4 + 2 * r3]
> +lea        r4,      [r4 + 2 * r3]
> +movu       m6,      [r4 + r3]
> +
> +pshufb     m1,      m0
> +pshufb     m2,      m0
> +pshufb     m3,      m0
> +pshufb     m4,      m0
> +pshufb     m5,      m0
> +pshufb     m6,      m0
> +
> +movh       [r0],            m1
> +movh       [r0 + r1],       m2
> +movh       [r0 + 2 * r1],   m3
> +lea        r4,              [r0 + 2 * r1]
> +movh       [r4 + r1],       m4
> +movh       [r4 + 2 * r1],   m5
> +lea        r4,              [r4 + 2 * r1]
> +movh       [r4 + r1],       m6
> +
> +RET
> +
>
> +;-----------------------------------------------------------------------------
> +; void blockcopy_sp_8x8(pixel *dest, intptr_t destStride, int16_t *src,
> intptr_t srcStride)
>
> +;-----------------------------------------------------------------------------
> +INIT_XMM sse2
> +cglobal blockcopy_sp_8x8, 4, 6, 8, dest, destStride, src, srcStride
> +
> +add        r3,      r3
> +
> +mova       m0,      [tab_Vm]
> +
> +movu       m1,      [r2]
> +movu       m2,      [r2 + r3]
> +movu       m3,      [r2 + 2 * r3]
> +lea        r4,      [r2 + 2 * r3]
> +movu       m4,      [r4 + r3]
> +movu       m5,      [r4 + 2 * r3]
> +lea        r4,      [r4 + 2 * r3]
> +movu       m6,      [r4 + r3]
> +movu       m7,      [r4 + 2 * r3]
> +lea        r5,      [r4 + 2 * r3]
> +
> +pshufb     m1,      m0
> +pshufb     m2,      m0
> +pshufb     m3,      m0
> +pshufb     m4,      m0
> +pshufb     m5,      m0
> +pshufb     m6,      m0
> +pshufb     m7,      m0
> +
> +movh       [r0],            m1
> +movh       [r0 + r1],       m2
> +movh       [r0 + 2 * r1],   m3
> +lea        r4,              [r0 + 2 * r1]
> +movh       [r4 + r1],       m4
> +movh       [r4 + 2 * r1],   m5
> +lea        r4,              [r4 + 2 * r1]
> +movh       [r4 + r1],       m6
> +movh       [r4 + 2 * r1],   m7
> +
> +movu       m1,              [r5 + r3]
> +pshufb     m1,              m0
> +lea        r4,              [r4 + 2 * r1]
> +movh       [r4 + r1],       m1
> +
> +RET
> +
>
> +;-----------------------------------------------------------------------------
> +; void blockcopy_sp_%1x%2(pixel *dest, intptr_t destStride, int16_t *src,
> intptr_t srcStride)
>
> +;-----------------------------------------------------------------------------
> +%macro BLOCKCOPY_SP_W8_H8 2
> +INIT_XMM sse2
> +cglobal blockcopy_sp_%1x%2, 4, 7, 8, dest, destStride, src, srcStride
> +
> +mov         r6d,    %2
> +
> +add         r3,     r3
> +
> +mova        m0,     [tab_Vm]
> +
> +.loop
> +      movu       m1,     [r2]
> +      movu       m2,     [r2 + r3]
> +      movu       m3,     [r2 + 2 * r3]
> +      lea        r4,     [r2 + 2 * r3]
> +      movu       m4,     [r4 + r3]
> +      movu       m5,     [r4 + 2 * r3]
> +      lea        r4,     [r4 + 2 * r3]
> +      movu       m6,     [r4 + r3]
> +      movu       m7,     [r4 + 2 * r3]
> +      lea        r5,     [r4 + 2 * r3]
> +
> +      pshufb     m1,     m0
> +      pshufb     m2,     m0
> +      pshufb     m3,     m0
> +      pshufb     m4,     m0
> +      pshufb     m5,     m0
> +      pshufb     m6,     m0
> +      pshufb     m7,     m0
> +
> +      movh       [r0],            m1
> +      movh       [r0 + r1],       m2
> +      movh       [r0 + 2 * r1],   m3
> +      lea        r4,              [r0 + 2 * r1]
> +      movh       [r4 + r1],       m4
> +      movh       [r4 + 2 * r1],   m5
> +      lea        r4,              [r4 + 2 * r1]
> +      movh       [r4 + r1],       m6
> +      movh       [r4 + 2 * r1],   m7
> +
> +      movu       m1,              [r5 + r3]
> +      pshufb     m1,              m0
> +      lea        r4,              [r4 + 2 * r1]
> +      movh       [r4 + r1],       m1
> +
> +      lea        r0,              [r0 + 8 * r1]
> +      lea        r2,              [r2 + 8 * r3]
> +
> +      sub        r6d,             8
> +      jnz        .loop
> +
> +RET
> +%endmacro
> +
> +BLOCKCOPY_SP_W8_H8 8, 16
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>



-- 
Steve Borho
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