ffmpeg / libavcodec / i386 / motion_est_mmx.c @ 5509bffa
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/*
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* MMX optimized motion estimation
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* Copyright (c) 2001 Fabrice Bellard.
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* Copyright (c) 2002-2004 Michael Niedermayer
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*
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* This library 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 of the License, or (at your option) any later version.
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*
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* This library 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 this library; 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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* mostly by Michael Niedermayer <michaelni@gmx.at>
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*/
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#include "../dsputil.h" |
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#include "mmx.h" |
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|
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static const __attribute__ ((aligned(8))) uint64_t round_tab[3]={ |
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0x0000000000000000ULL,
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0x0001000100010001ULL,
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0x0002000200020002ULL,
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}; |
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static attribute_used __attribute__ ((aligned(8))) uint64_t bone= 0x0101010101010101LL; |
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static inline void sad8_1_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h) |
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{
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long len= -(stride*h);
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asm volatile( |
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".balign 16 \n\t"
|
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"1: \n\t"
|
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"movq (%1, %%"REG_a"), %%mm0 \n\t" |
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"movq (%2, %%"REG_a"), %%mm2 \n\t" |
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"movq (%2, %%"REG_a"), %%mm4 \n\t" |
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"add %3, %%"REG_a" \n\t" |
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"psubusb %%mm0, %%mm2 \n\t"
|
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"psubusb %%mm4, %%mm0 \n\t"
|
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"movq (%1, %%"REG_a"), %%mm1 \n\t" |
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"movq (%2, %%"REG_a"), %%mm3 \n\t" |
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"movq (%2, %%"REG_a"), %%mm5 \n\t" |
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"psubusb %%mm1, %%mm3 \n\t"
|
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"psubusb %%mm5, %%mm1 \n\t"
|
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"por %%mm2, %%mm0 \n\t"
|
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"por %%mm1, %%mm3 \n\t"
|
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"movq %%mm0, %%mm1 \n\t"
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"movq %%mm3, %%mm2 \n\t"
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"punpcklbw %%mm7, %%mm0 \n\t"
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"punpckhbw %%mm7, %%mm1 \n\t"
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"punpcklbw %%mm7, %%mm3 \n\t"
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"punpckhbw %%mm7, %%mm2 \n\t"
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"paddw %%mm1, %%mm0 \n\t"
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"paddw %%mm3, %%mm2 \n\t"
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"paddw %%mm2, %%mm0 \n\t"
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"paddw %%mm0, %%mm6 \n\t"
|
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"add %3, %%"REG_a" \n\t" |
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" js 1b \n\t"
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: "+a" (len)
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: "r" (blk1 - len), "r" (blk2 - len), "r" ((long)stride) |
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); |
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} |
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|
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static inline void sad8_1_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h) |
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{
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long len= -(stride*h);
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asm volatile( |
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".balign 16 \n\t"
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"1: \n\t"
|
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"movq (%1, %%"REG_a"), %%mm0 \n\t" |
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"movq (%2, %%"REG_a"), %%mm2 \n\t" |
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"psadbw %%mm2, %%mm0 \n\t"
|
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"add %3, %%"REG_a" \n\t" |
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"movq (%1, %%"REG_a"), %%mm1 \n\t" |
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"movq (%2, %%"REG_a"), %%mm3 \n\t" |
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"psadbw %%mm1, %%mm3 \n\t"
|
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"paddw %%mm3, %%mm0 \n\t"
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"paddw %%mm0, %%mm6 \n\t"
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"add %3, %%"REG_a" \n\t" |
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" js 1b \n\t"
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: "+a" (len)
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: "r" (blk1 - len), "r" (blk2 - len), "r" ((long)stride) |
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); |
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} |
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|
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static inline void sad8_2_mmx2(uint8_t *blk1a, uint8_t *blk1b, uint8_t *blk2, int stride, int h) |
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{
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long len= -(stride*h);
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asm volatile( |
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".balign 16 \n\t"
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"1: \n\t"
|
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"movq (%1, %%"REG_a"), %%mm0 \n\t" |
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"movq (%2, %%"REG_a"), %%mm2 \n\t" |
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"pavgb %%mm2, %%mm0 \n\t"
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"movq (%3, %%"REG_a"), %%mm2 \n\t" |
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"psadbw %%mm2, %%mm0 \n\t"
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"add %4, %%"REG_a" \n\t" |
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"movq (%1, %%"REG_a"), %%mm1 \n\t" |
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"movq (%2, %%"REG_a"), %%mm3 \n\t" |
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"pavgb %%mm1, %%mm3 \n\t"
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"movq (%3, %%"REG_a"), %%mm1 \n\t" |
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"psadbw %%mm1, %%mm3 \n\t"
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"paddw %%mm3, %%mm0 \n\t"
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"paddw %%mm0, %%mm6 \n\t"
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"add %4, %%"REG_a" \n\t" |
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" js 1b \n\t"
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: "+a" (len)
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: "r" (blk1a - len), "r" (blk1b -len), "r" (blk2 - len), "r" ((long)stride) |
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); |
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} |
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static inline void sad8_4_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h) |
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{ //FIXME reuse src
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long len= -(stride*h);
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asm volatile( |
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".balign 16 \n\t"
|
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"movq "MANGLE(bone)", %%mm5 \n\t" |
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"1: \n\t"
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"movq (%1, %%"REG_a"), %%mm0 \n\t" |
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"movq (%2, %%"REG_a"), %%mm2 \n\t" |
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"movq 1(%1, %%"REG_a"), %%mm1 \n\t" |
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"movq 1(%2, %%"REG_a"), %%mm3 \n\t" |
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"pavgb %%mm2, %%mm0 \n\t"
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"pavgb %%mm1, %%mm3 \n\t"
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"psubusb %%mm5, %%mm3 \n\t"
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"pavgb %%mm3, %%mm0 \n\t"
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"movq (%3, %%"REG_a"), %%mm2 \n\t" |
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"psadbw %%mm2, %%mm0 \n\t"
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"add %4, %%"REG_a" \n\t" |
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"movq (%1, %%"REG_a"), %%mm1 \n\t" |
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"movq (%2, %%"REG_a"), %%mm3 \n\t" |
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"movq 1(%1, %%"REG_a"), %%mm2 \n\t" |
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"movq 1(%2, %%"REG_a"), %%mm4 \n\t" |
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"pavgb %%mm3, %%mm1 \n\t"
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"pavgb %%mm4, %%mm2 \n\t"
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"psubusb %%mm5, %%mm2 \n\t"
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"pavgb %%mm1, %%mm2 \n\t"
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"movq (%3, %%"REG_a"), %%mm1 \n\t" |
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"psadbw %%mm1, %%mm2 \n\t"
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"paddw %%mm2, %%mm0 \n\t"
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"paddw %%mm0, %%mm6 \n\t"
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"add %4, %%"REG_a" \n\t" |
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" js 1b \n\t"
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: "+a" (len)
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: "r" (blk1 - len), "r" (blk1 - len + stride), "r" (blk2 - len), "r" ((long)stride) |
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); |
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} |
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|
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static inline void sad8_2_mmx(uint8_t *blk1a, uint8_t *blk1b, uint8_t *blk2, int stride, int h) |
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{
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long len= -(stride*h);
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asm volatile( |
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".balign 16 \n\t"
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"1: \n\t"
|
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"movq (%1, %%"REG_a"), %%mm0 \n\t" |
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"movq (%2, %%"REG_a"), %%mm1 \n\t" |
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"movq (%1, %%"REG_a"), %%mm2 \n\t" |
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"movq (%2, %%"REG_a"), %%mm3 \n\t" |
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"punpcklbw %%mm7, %%mm0 \n\t"
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"punpcklbw %%mm7, %%mm1 \n\t"
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"punpckhbw %%mm7, %%mm2 \n\t"
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"punpckhbw %%mm7, %%mm3 \n\t"
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"paddw %%mm0, %%mm1 \n\t"
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"paddw %%mm2, %%mm3 \n\t"
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"movq (%3, %%"REG_a"), %%mm4 \n\t" |
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"movq (%3, %%"REG_a"), %%mm2 \n\t" |
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"paddw %%mm5, %%mm1 \n\t"
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"paddw %%mm5, %%mm3 \n\t"
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"psrlw $1, %%mm1 \n\t"
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"psrlw $1, %%mm3 \n\t"
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"packuswb %%mm3, %%mm1 \n\t"
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"psubusb %%mm1, %%mm4 \n\t"
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"psubusb %%mm2, %%mm1 \n\t"
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"por %%mm4, %%mm1 \n\t"
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"movq %%mm1, %%mm0 \n\t"
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"punpcklbw %%mm7, %%mm0 \n\t"
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"punpckhbw %%mm7, %%mm1 \n\t"
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"paddw %%mm1, %%mm0 \n\t"
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"paddw %%mm0, %%mm6 \n\t"
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"add %4, %%"REG_a" \n\t" |
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" js 1b \n\t"
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: "+a" (len)
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: "r" (blk1a - len), "r" (blk1b -len), "r" (blk2 - len), "r" ((long)stride) |
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); |
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} |
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|
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static inline void sad8_4_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h) |
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{
|
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long len= -(stride*h);
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asm volatile( |
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".balign 16 \n\t"
|
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"1: \n\t"
|
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"movq (%1, %%"REG_a"), %%mm0 \n\t" |
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"movq (%2, %%"REG_a"), %%mm1 \n\t" |
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"movq %%mm0, %%mm4 \n\t"
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"movq %%mm1, %%mm2 \n\t"
|
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"punpcklbw %%mm7, %%mm0 \n\t"
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"punpcklbw %%mm7, %%mm1 \n\t"
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"punpckhbw %%mm7, %%mm4 \n\t"
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"punpckhbw %%mm7, %%mm2 \n\t"
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"paddw %%mm1, %%mm0 \n\t"
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"paddw %%mm2, %%mm4 \n\t"
|
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"movq 1(%1, %%"REG_a"), %%mm2 \n\t" |
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"movq 1(%2, %%"REG_a"), %%mm3 \n\t" |
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"movq %%mm2, %%mm1 \n\t"
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"punpcklbw %%mm7, %%mm2 \n\t"
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"punpckhbw %%mm7, %%mm1 \n\t"
|
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"paddw %%mm0, %%mm2 \n\t"
|
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"paddw %%mm4, %%mm1 \n\t"
|
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"movq %%mm3, %%mm4 \n\t"
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"punpcklbw %%mm7, %%mm3 \n\t"
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"punpckhbw %%mm7, %%mm4 \n\t"
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"paddw %%mm3, %%mm2 \n\t"
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"paddw %%mm4, %%mm1 \n\t"
|
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"movq (%3, %%"REG_a"), %%mm3 \n\t" |
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"movq (%3, %%"REG_a"), %%mm4 \n\t" |
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"paddw %%mm5, %%mm2 \n\t"
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"paddw %%mm5, %%mm1 \n\t"
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"psrlw $2, %%mm2 \n\t"
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"psrlw $2, %%mm1 \n\t"
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"packuswb %%mm1, %%mm2 \n\t"
|
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"psubusb %%mm2, %%mm3 \n\t"
|
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"psubusb %%mm4, %%mm2 \n\t"
|
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"por %%mm3, %%mm2 \n\t"
|
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"movq %%mm2, %%mm0 \n\t"
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"punpcklbw %%mm7, %%mm0 \n\t"
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"punpckhbw %%mm7, %%mm2 \n\t"
|
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"paddw %%mm2, %%mm0 \n\t"
|
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"paddw %%mm0, %%mm6 \n\t"
|
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"add %4, %%"REG_a" \n\t" |
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" js 1b \n\t"
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: "+a" (len)
|
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: "r" (blk1 - len), "r" (blk1 -len + stride), "r" (blk2 - len), "r" ((long)stride) |
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); |
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} |
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|
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static inline int sum_mmx(void) |
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{
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int ret;
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asm volatile( |
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"movq %%mm6, %%mm0 \n\t"
|
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"psrlq $32, %%mm6 \n\t"
|
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"paddw %%mm0, %%mm6 \n\t"
|
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"movq %%mm6, %%mm0 \n\t"
|
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"psrlq $16, %%mm6 \n\t"
|
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"paddw %%mm0, %%mm6 \n\t"
|
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"movd %%mm6, %0 \n\t"
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: "=r" (ret)
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); |
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return ret&0xFFFF; |
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} |
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|
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static inline int sum_mmx2(void) |
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{
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int ret;
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asm volatile( |
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"movd %%mm6, %0 \n\t"
|
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: "=r" (ret)
|
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); |
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return ret;
|
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} |
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|
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|
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#define PIX_SAD(suf)\
|
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static int sad8_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\ |
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{\
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assert(h==8);\
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asm volatile("pxor %%mm7, %%mm7 \n\t"\ |
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"pxor %%mm6, %%mm6 \n\t":);\
|
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\ |
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sad8_1_ ## suf(blk1, blk2, stride, 8);\ |
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\ |
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return sum_ ## suf();\ |
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}\ |
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static int sad8_x2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\ |
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{\
|
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assert(h==8);\
|
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asm volatile("pxor %%mm7, %%mm7 \n\t"\ |
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"pxor %%mm6, %%mm6 \n\t"\
|
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"movq %0, %%mm5 \n\t"\
|
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:: "m"(round_tab[1]) \ |
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);\ |
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\ |
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sad8_2_ ## suf(blk1, blk1+1, blk2, stride, 8);\ |
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\ |
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return sum_ ## suf();\ |
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}\ |
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\ |
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static int sad8_y2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\ |
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{\
|
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assert(h==8);\
|
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asm volatile("pxor %%mm7, %%mm7 \n\t"\ |
| 298 |
"pxor %%mm6, %%mm6 \n\t"\
|
| 299 |
"movq %0, %%mm5 \n\t"\
|
| 300 |
:: "m"(round_tab[1]) \ |
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);\ |
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\ |
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sad8_2_ ## suf(blk1, blk1+stride, blk2, stride, 8);\ |
| 304 |
\ |
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return sum_ ## suf();\ |
| 306 |
}\ |
| 307 |
\ |
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static int sad8_xy2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\ |
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{\
|
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assert(h==8);\
|
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asm volatile("pxor %%mm7, %%mm7 \n\t"\ |
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"pxor %%mm6, %%mm6 \n\t"\
|
| 313 |
"movq %0, %%mm5 \n\t"\
|
| 314 |
:: "m"(round_tab[2]) \ |
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);\ |
| 316 |
\ |
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sad8_4_ ## suf(blk1, blk2, stride, 8);\ |
| 318 |
\ |
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return sum_ ## suf();\ |
| 320 |
}\ |
| 321 |
\ |
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static int sad16_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\ |
| 323 |
{\
|
| 324 |
asm volatile("pxor %%mm7, %%mm7 \n\t"\ |
| 325 |
"pxor %%mm6, %%mm6 \n\t":);\
|
| 326 |
\ |
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sad8_1_ ## suf(blk1 , blk2 , stride, h);\ |
| 328 |
sad8_1_ ## suf(blk1+8, blk2+8, stride, h);\ |
| 329 |
\ |
| 330 |
return sum_ ## suf();\ |
| 331 |
}\ |
| 332 |
static int sad16_x2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\ |
| 333 |
{\
|
| 334 |
asm volatile("pxor %%mm7, %%mm7 \n\t"\ |
| 335 |
"pxor %%mm6, %%mm6 \n\t"\
|
| 336 |
"movq %0, %%mm5 \n\t"\
|
| 337 |
:: "m"(round_tab[1]) \ |
| 338 |
);\ |
| 339 |
\ |
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sad8_2_ ## suf(blk1 , blk1+1, blk2 , stride, h);\ |
| 341 |
sad8_2_ ## suf(blk1+8, blk1+9, blk2+8, stride, h);\ |
| 342 |
\ |
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return sum_ ## suf();\ |
| 344 |
}\ |
| 345 |
static int sad16_y2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\ |
| 346 |
{\
|
| 347 |
asm volatile("pxor %%mm7, %%mm7 \n\t"\ |
| 348 |
"pxor %%mm6, %%mm6 \n\t"\
|
| 349 |
"movq %0, %%mm5 \n\t"\
|
| 350 |
:: "m"(round_tab[1]) \ |
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);\ |
| 352 |
\ |
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sad8_2_ ## suf(blk1 , blk1+stride, blk2 , stride, h);\ |
| 354 |
sad8_2_ ## suf(blk1+8, blk1+stride+8,blk2+8, stride, h);\ |
| 355 |
\ |
| 356 |
return sum_ ## suf();\ |
| 357 |
}\ |
| 358 |
static int sad16_xy2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\ |
| 359 |
{\
|
| 360 |
asm volatile("pxor %%mm7, %%mm7 \n\t"\ |
| 361 |
"pxor %%mm6, %%mm6 \n\t"\
|
| 362 |
"movq %0, %%mm5 \n\t"\
|
| 363 |
:: "m"(round_tab[2]) \ |
| 364 |
);\ |
| 365 |
\ |
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sad8_4_ ## suf(blk1 , blk2 , stride, h);\ |
| 367 |
sad8_4_ ## suf(blk1+8, blk2+8, stride, h);\ |
| 368 |
\ |
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return sum_ ## suf();\ |
| 370 |
}\ |
| 371 |
|
| 372 |
PIX_SAD(mmx) |
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PIX_SAD(mmx2) |
| 374 |
|
| 375 |
void dsputil_init_pix_mmx(DSPContext* c, AVCodecContext *avctx)
|
| 376 |
{
|
| 377 |
if (mm_flags & MM_MMX) {
|
| 378 |
c->pix_abs[0][0] = sad16_mmx; |
| 379 |
c->pix_abs[0][1] = sad16_x2_mmx; |
| 380 |
c->pix_abs[0][2] = sad16_y2_mmx; |
| 381 |
c->pix_abs[0][3] = sad16_xy2_mmx; |
| 382 |
c->pix_abs[1][0] = sad8_mmx; |
| 383 |
c->pix_abs[1][1] = sad8_x2_mmx; |
| 384 |
c->pix_abs[1][2] = sad8_y2_mmx; |
| 385 |
c->pix_abs[1][3] = sad8_xy2_mmx; |
| 386 |
|
| 387 |
c->sad[0]= sad16_mmx;
|
| 388 |
c->sad[1]= sad8_mmx;
|
| 389 |
} |
| 390 |
if (mm_flags & MM_MMXEXT) {
|
| 391 |
c->pix_abs[0][0] = sad16_mmx2; |
| 392 |
c->pix_abs[1][0] = sad8_mmx2; |
| 393 |
|
| 394 |
c->sad[0]= sad16_mmx2;
|
| 395 |
c->sad[1]= sad8_mmx2;
|
| 396 |
|
| 397 |
if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
|
| 398 |
c->pix_abs[0][1] = sad16_x2_mmx2; |
| 399 |
c->pix_abs[0][2] = sad16_y2_mmx2; |
| 400 |
c->pix_abs[0][3] = sad16_xy2_mmx2; |
| 401 |
c->pix_abs[1][1] = sad8_x2_mmx2; |
| 402 |
c->pix_abs[1][2] = sad8_y2_mmx2; |
| 403 |
c->pix_abs[1][3] = sad8_xy2_mmx2; |
| 404 |
} |
| 405 |
} |
| 406 |
} |