hpeldsp.asm 10.9 KB
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;******************************************************************************
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;* SIMD-optimized halfpel functions
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;*
;* This file is part of Libav.
;*
;* Libav is free software; you can redistribute it and/or
;* modify it under the terms of the GNU Lesser General Public
;* License as published by the Free Software Foundation; either
;* version 2.1 of the License, or (at your option) any later version.
;*
;* Libav is distributed in the hope that it will be useful,
;* but WITHOUT ANY WARRANTY; without even the implied warranty of
;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
;* Lesser General Public License for more details.
;*
;* You should have received a copy of the GNU Lesser General Public
;* License along with Libav; if not, write to the Free Software
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************

%include "libavutil/x86/x86util.asm"

SECTION_RODATA
cextern pb_1

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SECTION .text
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; void ff_put_pixels8_x2(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
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%macro PUT_PIXELS8_X2 0
cglobal put_pixels8_x2, 4,5
    lea          r4, [r2*2]
.loop:
    mova         m0, [r1]
    mova         m1, [r1+r2]
    PAVGB        m0, [r1+1]
    PAVGB        m1, [r1+r2+1]
    mova       [r0], m0
    mova    [r0+r2], m1
    add          r1, r4
    add          r0, r4
    mova         m0, [r1]
    mova         m1, [r1+r2]
    PAVGB        m0, [r1+1]
    PAVGB        m1, [r1+r2+1]
    add          r1, r4
    mova       [r0], m0
    mova    [r0+r2], m1
    add          r0, r4
    sub         r3d, 4
    jne .loop
    REP_RET
%endmacro

INIT_MMX mmxext
PUT_PIXELS8_X2
INIT_MMX 3dnow
PUT_PIXELS8_X2


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; void ff_put_pixels16_x2(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
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%macro PUT_PIXELS_16 0
cglobal put_pixels16_x2, 4,5
    lea          r4, [r2*2]
.loop:
    mova         m0, [r1]
    mova         m1, [r1+r2]
    mova         m2, [r1+8]
    mova         m3, [r1+r2+8]
    PAVGB        m0, [r1+1]
    PAVGB        m1, [r1+r2+1]
    PAVGB        m2, [r1+9]
    PAVGB        m3, [r1+r2+9]
    mova       [r0], m0
    mova    [r0+r2], m1
    mova     [r0+8], m2
    mova  [r0+r2+8], m3
    add          r1, r4
    add          r0, r4
    mova         m0, [r1]
    mova         m1, [r1+r2]
    mova         m2, [r1+8]
    mova         m3, [r1+r2+8]
    PAVGB        m0, [r1+1]
    PAVGB        m1, [r1+r2+1]
    PAVGB        m2, [r1+9]
    PAVGB        m3, [r1+r2+9]
    add          r1, r4
    mova       [r0], m0
    mova    [r0+r2], m1
    mova     [r0+8], m2
    mova  [r0+r2+8], m3
    add          r0, r4
    sub         r3d, 4
    jne .loop
    REP_RET
%endmacro

INIT_MMX mmxext
PUT_PIXELS_16
INIT_MMX 3dnow
PUT_PIXELS_16


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; void ff_put_no_rnd_pixels8_x2(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
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%macro PUT_NO_RND_PIXELS8_X2 0
cglobal put_no_rnd_pixels8_x2, 4,5
    mova         m6, [pb_1]
    lea          r4, [r2*2]
.loop:
    mova         m0, [r1]
    mova         m2, [r1+r2]
    mova         m1, [r1+1]
    mova         m3, [r1+r2+1]
    add          r1, r4
    psubusb      m0, m6
    psubusb      m2, m6
    PAVGB        m0, m1
    PAVGB        m2, m3
    mova       [r0], m0
    mova    [r0+r2], m2
    mova         m0, [r1]
    mova         m1, [r1+1]
    mova         m2, [r1+r2]
    mova         m3, [r1+r2+1]
    add          r0, r4
    add          r1, r4
    psubusb      m0, m6
    psubusb      m2, m6
    PAVGB        m0, m1
    PAVGB        m2, m3
    mova       [r0], m0
    mova    [r0+r2], m2
    add          r0, r4
    sub         r3d, 4
    jne .loop
    REP_RET
%endmacro

INIT_MMX mmxext
PUT_NO_RND_PIXELS8_X2
INIT_MMX 3dnow
PUT_NO_RND_PIXELS8_X2


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; void ff_put_no_rnd_pixels8_x2_exact(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
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%macro PUT_NO_RND_PIXELS8_X2_EXACT 0
cglobal put_no_rnd_pixels8_x2_exact, 4,5
    lea          r4, [r2*3]
    pcmpeqb      m6, m6
.loop:
    mova         m0, [r1]
    mova         m2, [r1+r2]
    mova         m1, [r1+1]
    mova         m3, [r1+r2+1]
    pxor         m0, m6
    pxor         m2, m6
    pxor         m1, m6
    pxor         m3, m6
    PAVGB        m0, m1
    PAVGB        m2, m3
    pxor         m0, m6
    pxor         m2, m6
    mova       [r0], m0
    mova    [r0+r2], m2
    mova         m0, [r1+r2*2]
    mova         m1, [r1+r2*2+1]
    mova         m2, [r1+r4]
    mova         m3, [r1+r4+1]
    pxor         m0, m6
    pxor         m1, m6
    pxor         m2, m6
    pxor         m3, m6
    PAVGB        m0, m1
    PAVGB        m2, m3
    pxor         m0, m6
    pxor         m2, m6
    mova  [r0+r2*2], m0
    mova    [r0+r4], m2
    lea          r1, [r1+r2*4]
    lea          r0, [r0+r2*4]
    sub         r3d, 4
    jg .loop
    REP_RET
%endmacro

INIT_MMX mmxext
PUT_NO_RND_PIXELS8_X2_EXACT
INIT_MMX 3dnow
PUT_NO_RND_PIXELS8_X2_EXACT


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; void ff_put_pixels8_y2(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
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%macro PUT_PIXELS8_Y2 0
cglobal put_pixels8_y2, 4,5
    lea          r4, [r2*2]
    mova         m0, [r1]
    sub          r0, r2
.loop:
    mova         m1, [r1+r2]
    mova         m2, [r1+r4]
    add          r1, r4
    PAVGB        m0, m1
    PAVGB        m1, m2
    mova    [r0+r2], m0
    mova    [r0+r4], m1
    mova         m1, [r1+r2]
    mova         m0, [r1+r4]
    add          r0, r4
    add          r1, r4
    PAVGB        m2, m1
    PAVGB        m1, m0
    mova    [r0+r2], m2
    mova    [r0+r4], m1
    add          r0, r4
    sub         r3d, 4
    jne .loop
    REP_RET
%endmacro

INIT_MMX mmxext
PUT_PIXELS8_Y2
INIT_MMX 3dnow
PUT_PIXELS8_Y2


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; void ff_put_no_rnd_pixels8_y2(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
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%macro PUT_NO_RND_PIXELS8_Y2 0
cglobal put_no_rnd_pixels8_y2, 4,5
    mova         m6, [pb_1]
    lea          r4, [r2+r2]
    mova         m0, [r1]
    sub          r0, r2
.loop:
    mova         m1, [r1+r2]
    mova         m2, [r1+r4]
    add          r1, r4
    psubusb      m1, m6
    PAVGB        m0, m1
    PAVGB        m1, m2
    mova    [r0+r2], m0
    mova    [r0+r4], m1
    mova         m1, [r1+r2]
    mova         m0, [r1+r4]
    add          r0, r4
    add          r1, r4
    psubusb      m1, m6
    PAVGB        m2, m1
    PAVGB        m1, m0
    mova    [r0+r2], m2
    mova    [r0+r4], m1
    add          r0, r4
    sub         r3d, 4
    jne .loop
    REP_RET
%endmacro

INIT_MMX mmxext
PUT_NO_RND_PIXELS8_Y2
INIT_MMX 3dnow
PUT_NO_RND_PIXELS8_Y2


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; void ff_put_no_rnd_pixels8_y2_exact(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
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%macro PUT_NO_RND_PIXELS8_Y2_EXACT 0
cglobal put_no_rnd_pixels8_y2_exact, 4,5
    lea          r4, [r2*3]
    mova         m0, [r1]
    pcmpeqb      m6, m6
    add          r1, r2
    pxor         m0, m6
.loop:
    mova         m1, [r1]
    mova         m2, [r1+r2]
    pxor         m1, m6
    pxor         m2, m6
    PAVGB        m0, m1
    PAVGB        m1, m2
    pxor         m0, m6
    pxor         m1, m6
    mova       [r0], m0
    mova    [r0+r2], m1
    mova         m1, [r1+r2*2]
    mova         m0, [r1+r4]
    pxor         m1, m6
    pxor         m0, m6
    PAVGB        m2, m1
    PAVGB        m1, m0
    pxor         m2, m6
    pxor         m1, m6
    mova  [r0+r2*2], m2
    mova    [r0+r4], m1
    lea          r1, [r1+r2*4]
    lea          r0, [r0+r2*4]
    sub         r3d, 4
    jg .loop
    REP_RET
%endmacro

INIT_MMX mmxext
PUT_NO_RND_PIXELS8_Y2_EXACT
INIT_MMX 3dnow
PUT_NO_RND_PIXELS8_Y2_EXACT


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; void ff_avg_pixels8(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
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%macro AVG_PIXELS8 0
cglobal avg_pixels8, 4,5
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    lea          r4, [r2*2]
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.loop:
    mova         m0, [r0]
    mova         m1, [r0+r2]
    PAVGB        m0, [r1]
    PAVGB        m1, [r1+r2]
    mova       [r0], m0
    mova    [r0+r2], m1
    add          r1, r4
    add          r0, r4
    mova         m0, [r0]
    mova         m1, [r0+r2]
    PAVGB        m0, [r1]
    PAVGB        m1, [r1+r2]
    add          r1, r4
    mova       [r0], m0
    mova    [r0+r2], m1
    add          r0, r4
    sub         r3d, 4
    jne .loop
    REP_RET
%endmacro

INIT_MMX 3dnow
AVG_PIXELS8


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; void ff_avg_pixels8_x2(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
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%macro AVG_PIXELS8_X2 0
cglobal avg_pixels8_x2, 4,5
    lea          r4, [r2*2]
.loop:
    mova         m0, [r1]
    mova         m2, [r1+r2]
    PAVGB        m0, [r1+1]
    PAVGB        m2, [r1+r2+1]
    PAVGB        m0, [r0]
    PAVGB        m2, [r0+r2]
    add          r1, r4
    mova       [r0], m0
    mova    [r0+r2], m2
    mova         m0, [r1]
    mova         m2, [r1+r2]
    PAVGB        m0, [r1+1]
    PAVGB        m2, [r1+r2+1]
    add          r0, r4
    add          r1, r4
    PAVGB        m0, [r0]
    PAVGB        m2, [r0+r2]
    mova       [r0], m0
    mova    [r0+r2], m2
    add          r0, r4
    sub         r3d, 4
    jne .loop
    REP_RET
%endmacro

INIT_MMX mmxext
AVG_PIXELS8_X2
INIT_MMX 3dnow
AVG_PIXELS8_X2


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; void ff_avg_pixels8_y2(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
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%macro AVG_PIXELS8_Y2 0
cglobal avg_pixels8_y2, 4,5
    lea          r4, [r2*2]
    mova         m0, [r1]
    sub          r0, r2
.loop:
    mova         m1, [r1+r2]
    mova         m2, [r1+r4]
    add          r1, r4
    PAVGB        m0, m1
    PAVGB        m1, m2
    mova         m3, [r0+r2]
    mova         m4, [r0+r4]
    PAVGB        m0, m3
    PAVGB        m1, m4
    mova    [r0+r2], m0
    mova    [r0+r4], m1
    mova         m1, [r1+r2]
    mova         m0, [r1+r4]
    PAVGB        m2, m1
    PAVGB        m1, m0
    add          r0, r4
    add          r1, r4
    mova         m3, [r0+r2]
    mova         m4, [r0+r4]
    PAVGB        m2, m3
    PAVGB        m1, m4
    mova    [r0+r2], m2
    mova    [r0+r4], m1
    add          r0, r4
    sub         r3d, 4
    jne .loop
    REP_RET
%endmacro

INIT_MMX mmxext
AVG_PIXELS8_Y2
INIT_MMX 3dnow
AVG_PIXELS8_Y2


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; void ff_avg_pixels8_xy2(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
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%macro AVG_PIXELS8_XY2 0
cglobal avg_pixels8_xy2, 4,5
    mova         m6, [pb_1]
    lea          r4, [r2*2]
    mova         m0, [r1]
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    PAVGB        m0, [r1+1]
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.loop:
    mova         m2, [r1+r4]
    mova         m1, [r1+r2]
    psubusb      m2, m6
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    PAVGB        m1, [r1+r2+1]
    PAVGB        m2, [r1+r4+1]
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    add          r1, r4
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    PAVGB        m0, m1
    PAVGB        m1, m2
    PAVGB        m0, [r0]
    PAVGB        m1, [r0+r2]
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    mova       [r0], m0
    mova    [r0+r2], m1
    mova         m1, [r1+r2]
    mova         m0, [r1+r4]
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    PAVGB        m1, [r1+r2+1]
    PAVGB        m0, [r1+r4+1]
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    add          r0, r4
    add          r1, r4
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    PAVGB        m2, m1
    PAVGB        m1, m0
    PAVGB        m2, [r0]
    PAVGB        m1, [r0+r2]
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    mova       [r0], m2
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    mova    [r0+r2], m1
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    add          r0, r4
    sub         r3d, 4
    jne .loop
    REP_RET
%endmacro

INIT_MMX mmxext
AVG_PIXELS8_XY2
INIT_MMX 3dnow
AVG_PIXELS8_XY2