mirror of
https://github.com/pineappleEA/pineapple-src.git
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285 lines
6.3 KiB
NASM
285 lines
6.3 KiB
NASM
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;*****************************************************************************
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;* MMX/SSE2/AVX-optimized 10-bit H.264 weighted prediction code
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;*****************************************************************************
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;* Copyright (C) 2005-2011 x264 project
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;*
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;* Authors: Daniel Kang <daniel.d.kang@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_RODATA 32
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sq_1: dq 1
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dq 0
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cextern pw_1
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cextern pw_1023
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%define pw_pixel_max pw_1023
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SECTION .text
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;-----------------------------------------------------------------------------
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; void ff_h264_weight_16_10(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_PROLOGUE 0
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.prologue:
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PROLOGUE 0,6,8
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movifnidn r0, r0mp
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movifnidn r1d, r1m
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movifnidn r2d, r2m
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movifnidn r4d, r4m
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movifnidn r5d, r5m
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%endmacro
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%macro WEIGHT_SETUP 0
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mova m0, [pw_1]
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movd m2, r3m
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pslld m0, m2 ; 1<<log2_denom
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SPLATW m0, m0
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shl r5, 19 ; *8, move to upper half of dword
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lea r5, [r5+r4*2+0x10000]
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movd m3, r5d ; weight<<1 | 1+(offset<<(3))
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pshufd m3, m3, 0
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mova m4, [pw_pixel_max]
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paddw m2, [sq_1] ; log2_denom+1
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%if notcpuflag(sse4)
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pxor m7, m7
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%endif
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%endmacro
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%macro WEIGHT_OP 1-2
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%if %0==1
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mova m5, [r0+%1]
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punpckhwd m6, m5, m0
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punpcklwd m5, m0
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%else
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movq m5, [r0+%1]
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movq m6, [r0+%2]
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punpcklwd m5, m0
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punpcklwd m6, m0
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%endif
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pmaddwd m5, m3
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pmaddwd m6, m3
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psrad m5, m2
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psrad m6, m2
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%if cpuflag(sse4)
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packusdw m5, m6
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pminsw m5, m4
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%else
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packssdw m5, m6
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CLIPW m5, m7, m4
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%endif
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%endmacro
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%macro WEIGHT_FUNC_DBL 0
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cglobal h264_weight_16_10
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WEIGHT_PROLOGUE
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WEIGHT_SETUP
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.nextrow:
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WEIGHT_OP 0
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mova [r0 ], m5
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WEIGHT_OP 16
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mova [r0+16], m5
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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_XMM sse2
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WEIGHT_FUNC_DBL
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INIT_XMM sse4
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WEIGHT_FUNC_DBL
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%macro WEIGHT_FUNC_MM 0
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cglobal h264_weight_8_10
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WEIGHT_PROLOGUE
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WEIGHT_SETUP
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.nextrow:
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WEIGHT_OP 0
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mova [r0], m5
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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_XMM sse2
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WEIGHT_FUNC_MM
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INIT_XMM sse4
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WEIGHT_FUNC_MM
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%macro WEIGHT_FUNC_HALF_MM 0
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cglobal h264_weight_4_10
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WEIGHT_PROLOGUE
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sar r2d, 1
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WEIGHT_SETUP
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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], m5
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movhps [r0+r1], m5
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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_XMM sse2
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WEIGHT_FUNC_HALF_MM
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INIT_XMM sse4
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WEIGHT_FUNC_HALF_MM
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;-----------------------------------------------------------------------------
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; void ff_h264_biweight_16_10(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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;-----------------------------------------------------------------------------
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%if ARCH_X86_32
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DECLARE_REG_TMP 3
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%else
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DECLARE_REG_TMP 7
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%endif
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%macro BIWEIGHT_PROLOGUE 0
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.prologue:
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PROLOGUE 0,8,8
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movifnidn r0, r0mp
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movifnidn r1, r1mp
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movifnidn r2d, r2m
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movifnidn r5d, r5m
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movifnidn r6d, r6m
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movifnidn t0d, r7m
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%endmacro
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%macro BIWEIGHT_SETUP 0
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lea t0, [t0*4+1] ; (offset<<2)+1
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or t0, 1
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shl r6, 16
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or r5, r6
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movd m4, r5d ; weightd | weights
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movd m5, t0d ; (offset+1)|1
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movd m6, r4m ; log2_denom
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pslld m5, m6 ; (((offset<<2)+1)|1)<<log2_denom
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paddd m6, [sq_1]
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pshufd m4, m4, 0
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pshufd m5, m5, 0
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mova m3, [pw_pixel_max]
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movifnidn r3d, r3m
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%if notcpuflag(sse4)
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pxor m7, m7
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%endif
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%endmacro
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%macro BIWEIGHT 1-2
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%if %0==1
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mova m0, [r0+%1]
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mova m1, [r1+%1]
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punpckhwd m2, m0, m1
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punpcklwd m0, m1
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%else
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movq m0, [r0+%1]
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movq m1, [r1+%1]
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punpcklwd m0, m1
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movq m2, [r0+%2]
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movq m1, [r1+%2]
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punpcklwd m2, m1
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%endif
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pmaddwd m0, m4
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pmaddwd m2, m4
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paddd m0, m5
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paddd m2, m5
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psrad m0, m6
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psrad m2, m6
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%if cpuflag(sse4)
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packusdw m0, m2
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pminsw m0, m3
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%else
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packssdw m0, m2
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CLIPW m0, m7, m3
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%endif
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%endmacro
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%macro BIWEIGHT_FUNC_DBL 0
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cglobal h264_biweight_16_10
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BIWEIGHT_PROLOGUE
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BIWEIGHT_SETUP
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.nextrow:
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BIWEIGHT 0
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mova [r0 ], m0
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BIWEIGHT 16
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mova [r0+16], 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_XMM sse2
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BIWEIGHT_FUNC_DBL
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INIT_XMM sse4
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BIWEIGHT_FUNC_DBL
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%macro BIWEIGHT_FUNC 0
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cglobal h264_biweight_8_10
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BIWEIGHT_PROLOGUE
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BIWEIGHT_SETUP
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.nextrow:
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BIWEIGHT 0
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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_XMM sse2
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BIWEIGHT_FUNC
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INIT_XMM sse4
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BIWEIGHT_FUNC
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%macro BIWEIGHT_FUNC_HALF 0
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cglobal h264_biweight_4_10
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BIWEIGHT_PROLOGUE
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BIWEIGHT_SETUP
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sar r3d, 1
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lea r4, [r2*2]
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.nextrow:
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BIWEIGHT 0, r2
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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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%endmacro
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INIT_XMM sse2
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BIWEIGHT_FUNC_HALF
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INIT_XMM sse4
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BIWEIGHT_FUNC_HALF
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