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321 lines
7.0 KiB
NASM
321 lines
7.0 KiB
NASM
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;*****************************************************************************
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;* SSE2-optimized weighted prediction code
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;*****************************************************************************
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;* Copyright (c) 2004-2005 Michael Niedermayer, Loren Merritt
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;* Copyright (C) 2010 Eli Friedman <eli.friedman@gmail.com>
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;*
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;* This file is part of FFmpeg.
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;*
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;* FFmpeg is free software; you can redistribute it and/or
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;* modify it under the terms of the GNU Lesser General Public
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;* License as published by the Free Software Foundation; either
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;* version 2.1 of the License, or (at your option) any later version.
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;*
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;* FFmpeg is distributed in the hope that it will be useful,
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;* but WITHOUT ANY WARRANTY; without even the implied warranty of
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;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;* Lesser General Public License for more details.
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;*
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;* You should have received a copy of the GNU Lesser General Public
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;* License along with FFmpeg; if not, write to the Free Software
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;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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;******************************************************************************
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%include "libavutil/x86/x86util.asm"
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SECTION .text
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;-----------------------------------------------------------------------------
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; biweight pred:
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;
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; void ff_h264_biweight_16_sse2(uint8_t *dst, uint8_t *src, int stride,
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; int height, int log2_denom, int weightd,
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; int weights, int offset);
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; and
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; void ff_h264_weight_16_sse2(uint8_t *dst, int stride, int height,
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; int log2_denom, int weight, int offset);
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;-----------------------------------------------------------------------------
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%macro WEIGHT_SETUP 0
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add r5, r5
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inc r5
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movd m3, r4d
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movd m5, r5d
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movd m6, r3d
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pslld m5, m6
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psrld m5, 1
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%if mmsize == 16
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pshuflw m3, m3, 0
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pshuflw m5, m5, 0
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punpcklqdq m3, m3
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punpcklqdq m5, m5
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%else
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pshufw m3, m3, 0
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pshufw m5, m5, 0
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%endif
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pxor m7, m7
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%endmacro
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%macro WEIGHT_OP 2
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movh m0, [r0+%1]
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movh m1, [r0+%2]
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punpcklbw m0, m7
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punpcklbw m1, m7
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pmullw m0, m3
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pmullw m1, m3
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paddsw m0, m5
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paddsw m1, m5
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psraw m0, m6
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psraw m1, m6
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packuswb m0, m1
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%endmacro
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INIT_MMX mmxext
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cglobal h264_weight_16, 6, 6, 0
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WEIGHT_SETUP
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.nextrow:
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WEIGHT_OP 0, 4
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mova [r0 ], m0
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WEIGHT_OP 8, 12
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mova [r0+8], m0
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add r0, r1
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dec r2d
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jnz .nextrow
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REP_RET
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%macro WEIGHT_FUNC_MM 2
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cglobal h264_weight_%1, 6, 6, %2
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WEIGHT_SETUP
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.nextrow:
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WEIGHT_OP 0, mmsize/2
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mova [r0], m0
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add r0, r1
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dec r2d
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jnz .nextrow
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REP_RET
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%endmacro
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INIT_MMX mmxext
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WEIGHT_FUNC_MM 8, 0
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INIT_XMM sse2
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WEIGHT_FUNC_MM 16, 8
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%macro WEIGHT_FUNC_HALF_MM 2
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cglobal h264_weight_%1, 6, 6, %2
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WEIGHT_SETUP
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sar r2d, 1
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lea r3, [r1*2]
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.nextrow:
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WEIGHT_OP 0, r1
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movh [r0], m0
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%if mmsize == 16
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movhps [r0+r1], m0
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%else
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psrlq m0, 32
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movh [r0+r1], m0
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%endif
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add r0, r3
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dec r2d
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jnz .nextrow
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REP_RET
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%endmacro
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INIT_MMX mmxext
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WEIGHT_FUNC_HALF_MM 4, 0
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INIT_XMM sse2
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WEIGHT_FUNC_HALF_MM 8, 8
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%macro BIWEIGHT_SETUP 0
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%if ARCH_X86_64
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%define off_regd r7d
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%else
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%define off_regd r3d
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%endif
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mov off_regd, r7m
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add off_regd, 1
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or off_regd, 1
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add r4d, 1
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cmp r6d, 128
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je .nonnormal
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cmp r5d, 128
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jne .normal
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.nonnormal:
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sar r5d, 1
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sar r6d, 1
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sar off_regd, 1
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sub r4d, 1
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.normal:
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%if cpuflag(ssse3)
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movd m4, r5d
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movd m0, r6d
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%else
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movd m3, r5d
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movd m4, r6d
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%endif
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movd m5, off_regd
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movd m6, r4d
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pslld m5, m6
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psrld m5, 1
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%if cpuflag(ssse3)
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punpcklbw m4, m0
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pshuflw m4, m4, 0
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pshuflw m5, m5, 0
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punpcklqdq m4, m4
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punpcklqdq m5, m5
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%else
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%if mmsize == 16
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pshuflw m3, m3, 0
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pshuflw m4, m4, 0
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pshuflw m5, m5, 0
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punpcklqdq m3, m3
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punpcklqdq m4, m4
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punpcklqdq m5, m5
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%else
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pshufw m3, m3, 0
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pshufw m4, m4, 0
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pshufw m5, m5, 0
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%endif
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pxor m7, m7
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%endif
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%endmacro
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%macro BIWEIGHT_STEPA 3
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movh m%1, [r0+%3]
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movh m%2, [r1+%3]
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punpcklbw m%1, m7
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punpcklbw m%2, m7
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pmullw m%1, m3
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pmullw m%2, m4
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paddsw m%1, m%2
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%endmacro
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%macro BIWEIGHT_STEPB 0
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paddsw m0, m5
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paddsw m1, m5
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psraw m0, m6
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psraw m1, m6
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packuswb m0, m1
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%endmacro
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INIT_MMX mmxext
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cglobal h264_biweight_16, 7, 8, 0
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BIWEIGHT_SETUP
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movifnidn r3d, r3m
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.nextrow:
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BIWEIGHT_STEPA 0, 1, 0
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BIWEIGHT_STEPA 1, 2, 4
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BIWEIGHT_STEPB
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mova [r0], m0
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BIWEIGHT_STEPA 0, 1, 8
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BIWEIGHT_STEPA 1, 2, 12
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BIWEIGHT_STEPB
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mova [r0+8], m0
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add r0, r2
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add r1, r2
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dec r3d
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jnz .nextrow
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REP_RET
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%macro BIWEIGHT_FUNC_MM 2
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cglobal h264_biweight_%1, 7, 8, %2
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BIWEIGHT_SETUP
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movifnidn r3d, r3m
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.nextrow:
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BIWEIGHT_STEPA 0, 1, 0
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BIWEIGHT_STEPA 1, 2, mmsize/2
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BIWEIGHT_STEPB
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mova [r0], m0
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add r0, r2
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add r1, r2
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dec r3d
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jnz .nextrow
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REP_RET
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%endmacro
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INIT_MMX mmxext
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BIWEIGHT_FUNC_MM 8, 0
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INIT_XMM sse2
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BIWEIGHT_FUNC_MM 16, 8
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%macro BIWEIGHT_FUNC_HALF_MM 2
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cglobal h264_biweight_%1, 7, 8, %2
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BIWEIGHT_SETUP
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movifnidn r3d, r3m
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sar r3, 1
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lea r4, [r2*2]
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.nextrow:
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BIWEIGHT_STEPA 0, 1, 0
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BIWEIGHT_STEPA 1, 2, r2
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BIWEIGHT_STEPB
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movh [r0], m0
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%if mmsize == 16
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movhps [r0+r2], m0
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%else
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psrlq m0, 32
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movh [r0+r2], m0
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%endif
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add r0, r4
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add r1, r4
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dec r3d
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jnz .nextrow
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REP_RET
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%endmacro
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INIT_MMX mmxext
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BIWEIGHT_FUNC_HALF_MM 4, 0
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INIT_XMM sse2
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BIWEIGHT_FUNC_HALF_MM 8, 8
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%macro BIWEIGHT_SSSE3_OP 0
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pmaddubsw m0, m4
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pmaddubsw m2, m4
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paddsw m0, m5
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paddsw m2, m5
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psraw m0, m6
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psraw m2, m6
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packuswb m0, m2
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%endmacro
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INIT_XMM ssse3
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cglobal h264_biweight_16, 7, 8, 8
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BIWEIGHT_SETUP
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movifnidn r3d, r3m
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.nextrow:
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movh m0, [r0]
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movh m2, [r0+8]
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movh m3, [r1+8]
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punpcklbw m0, [r1]
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punpcklbw m2, m3
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BIWEIGHT_SSSE3_OP
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mova [r0], m0
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add r0, r2
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add r1, r2
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dec r3d
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jnz .nextrow
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REP_RET
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INIT_XMM ssse3
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cglobal h264_biweight_8, 7, 8, 8
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BIWEIGHT_SETUP
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movifnidn r3d, r3m
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sar r3, 1
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lea r4, [r2*2]
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.nextrow:
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movh m0, [r0]
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movh m1, [r1]
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movh m2, [r0+r2]
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movh m3, [r1+r2]
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punpcklbw m0, m1
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punpcklbw m2, m3
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BIWEIGHT_SSSE3_OP
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movh [r0], m0
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movhps [r0+r2], m0
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add r0, r4
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add r1, r4
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dec r3d
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jnz .nextrow
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REP_RET
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