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;******************************************************************************
;* MMX optimized DSP utils
;* Copyright (c) 2008 Loren Merritt
;* Copyright (c) 2003-2013 Michael Niedermayer
;* Copyright (c) 2013 Daniel Kang
;*
;* This file is part of FFmpeg.
;*
;* FFmpeg 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.
;*
;* FFmpeg 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 FFmpeg; 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 .text
%macro op_avgh 3
movh %3, %2
pavgb %1, %3
movh %2, %1
%endmacro
%macro op_avg 2
pavgb %1, %2
mova %2, %1
%endmacro
%macro op_puth 2-3
movh %2, %1
%endmacro
%macro op_put 2
mova %2, %1
%endmacro
; void pixels4_l2_mmxext(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
%macro PIXELS4_L2 1
%define OP op_%1h
cglobal %1_pixels4_l2, 6,6
movsxdifnidn r3, r3d
movsxdifnidn r4, r4d
test r5d, 1
je .loop
movd m0, [r1]
movd m1, [r2]
add r1, r4
add r2, 4
pavgb m0, m1
OP m0, [r0], m3
add r0, r3
dec r5d
.loop:
mova m0, [r1]
mova m1, [r1+r4]
lea r1, [r1+2*r4]
pavgb m0, [r2]
pavgb m1, [r2+4]
OP m0, [r0], m3
OP m1, [r0+r3], m3
lea r0, [r0+2*r3]
mova m0, [r1]
mova m1, [r1+r4]
lea r1, [r1+2*r4]
pavgb m0, [r2+8]
pavgb m1, [r2+12]
OP m0, [r0], m3
OP m1, [r0+r3], m3
lea r0, [r0+2*r3]
add r2, 16
sub r5d, 4
jne .loop
REP_RET
%endmacro
INIT_MMX mmxext
PIXELS4_L2 put
PIXELS4_L2 avg
; void pixels8_l2_mmxext(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
%macro PIXELS8_L2 1
%define OP op_%1
cglobal %1_pixels8_l2, 6,6
movsxdifnidn r3, r3d
movsxdifnidn r4, r4d
test r5d, 1
je .loop
mova m0, [r1]
mova m1, [r2]
add r1, r4
add r2, 8
pavgb m0, m1
OP m0, [r0]
add r0, r3
dec r5d
.loop:
mova m0, [r1]
mova m1, [r1+r4]
lea r1, [r1+2*r4]
pavgb m0, [r2]
pavgb m1, [r2+8]
OP m0, [r0]
OP m1, [r0+r3]
lea r0, [r0+2*r3]
mova m0, [r1]
mova m1, [r1+r4]
lea r1, [r1+2*r4]
pavgb m0, [r2+16]
pavgb m1, [r2+24]
OP m0, [r0]
OP m1, [r0+r3]
lea r0, [r0+2*r3]
add r2, 32
sub r5d, 4
jne .loop
REP_RET
%endmacro
INIT_MMX mmxext
PIXELS8_L2 put
PIXELS8_L2 avg
; void pixels16_l2_mmxext(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
%macro PIXELS16_L2 1
%define OP op_%1
cglobal %1_pixels16_l2, 6,6
movsxdifnidn r3, r3d
movsxdifnidn r4, r4d
test r5d, 1
je .loop
mova m0, [r1]
mova m1, [r1+8]
pavgb m0, [r2]
pavgb m1, [r2+8]
add r1, r4
add r2, 16
OP m0, [r0]
OP m1, [r0+8]
add r0, r3
dec r5d
.loop:
mova m0, [r1]
mova m1, [r1+8]
add r1, r4
pavgb m0, [r2]
pavgb m1, [r2+8]
OP m0, [r0]
OP m1, [r0+8]
add r0, r3
mova m0, [r1]
mova m1, [r1+8]
add r1, r4
pavgb m0, [r2+16]
pavgb m1, [r2+24]
OP m0, [r0]
OP m1, [r0+8]
add r0, r3
add r2, 32
sub r5d, 2
jne .loop
REP_RET
%endmacro
INIT_MMX mmxext
PIXELS16_L2 put
PIXELS16_L2 avg
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