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Add file missing in r24702
Originally committed as revision 24703 to svn://svn.ffmpeg.org/ffmpeg/trunk
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170
libavcodec/x86/h264_weight_sse2.asm
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170
libavcodec/x86/h264_weight_sse2.asm
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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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;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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;******************************************************************************
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%include "x86inc.asm"
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SECTION .text
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INIT_XMM
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;-----------------------------------------------------------------------------
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; biweight pred:
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;
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; void h264_biweight_16x16_sse2(uint8_t *dst, uint8_t *src, int stride,
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; int log2_denom, int weightd, int weights,
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; int offset);
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;-----------------------------------------------------------------------------
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%macro BIWEIGHT_SSE2_SETUP 0
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add r6, 1
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or r6, 1
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add r3, 1
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movd m3, r4
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movd m4, r5
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movd m5, r6
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movd m6, r3
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pslld m5, m6
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psrld m5, 1
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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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pxor m7, m7
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%endmacro
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%macro BIWEIGHT_SSE2_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_SSE2_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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cglobal h264_biweight_16x16_sse2, 7, 7, 8
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BIWEIGHT_SSE2_SETUP
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mov r3, 16
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.nextrow
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BIWEIGHT_SSE2_STEPA 0, 1, 0
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BIWEIGHT_SSE2_STEPA 1, 2, 8
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BIWEIGHT_SSE2_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 r3
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jnz .nextrow
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REP_RET
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cglobal h264_biweight_8x8_sse2, 7, 7, 8
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BIWEIGHT_SSE2_SETUP
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mov r3, 4
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lea r4, [r2*2]
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.nextrow
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BIWEIGHT_SSE2_STEPA 0, 1, 0
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BIWEIGHT_SSE2_STEPA 1, 2, r2
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BIWEIGHT_SSE2_STEPB
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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 r3
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jnz .nextrow
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REP_RET
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%macro BIWEIGHT_SSSE3_SETUP 0
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add r6, 1
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or r6, 1
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add r3, 1
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movd m4, r4
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movd m0, r5
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movd m5, r6
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movd m6, r3
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pslld m5, m6
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psrld m5, 1
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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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%endmacro
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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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cglobal h264_biweight_16x16_ssse3, 7, 7, 8
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BIWEIGHT_SSSE3_SETUP
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mov r3, 16
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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 r3
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jnz .nextrow
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REP_RET
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cglobal h264_biweight_8x8_ssse3, 7, 7, 8
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BIWEIGHT_SSSE3_SETUP
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mov r3, 4
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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 r3
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jnz .nextrow
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REP_RET
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