mirror of https://github.com/FFmpeg/FFmpeg.git
Originally committed as revision 25874 to svn://svn.ffmpeg.org/ffmpeg/trunkoldabi
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23b8342af4
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1ef64490e1
3 changed files with 294 additions and 212 deletions
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/*
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* Copyright (C) 2006 Michael Niedermayer <michaelni@gmx.at> |
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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 modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (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 |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with FFmpeg; if not, write to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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*/ |
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#ifdef COMPILE_TEMPLATE_SSE |
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#define MM "%%xmm" |
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#define MOV "movq" |
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#define MOVQ "movdqa" |
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#define MOVQU "movdqu" |
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#define STEP 8 |
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#define LOAD(mem,dst) \ |
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MOV" "mem", "dst" \n\t"\
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"punpcklbw "MM"7, "dst" \n\t" |
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#define PSRL1(reg) "psrldq $1, "reg" \n\t" |
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#define PSRL2(reg) "psrldq $2, "reg" \n\t" |
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#define PSHUF(src,dst) "movdqa "dst", "src" \n\t"\ |
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"psrldq $2, "src" \n\t" |
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#else |
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#define MM "%%mm" |
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#define MOV "movd" |
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#define MOVQ "movq" |
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#define MOVQU "movq" |
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#define STEP 4 |
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#define LOAD(mem,dst) \ |
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MOV" "mem", "dst" \n\t"\
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"punpcklbw "MM"7, "dst" \n\t" |
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#define PSRL1(reg) "psrlq $8, "reg" \n\t" |
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#define PSRL2(reg) "psrlq $16, "reg" \n\t" |
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#define PSHUF(src,dst) "pshufw $9, "dst", "src" \n\t" |
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#endif |
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#ifdef COMPILE_TEMPLATE_SSSE3 |
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#define PABS(tmp,dst) \ |
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"pabsw "dst", "dst" \n\t" |
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#else |
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#define PABS(tmp,dst) \ |
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"pxor "tmp", "tmp" \n\t"\
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"psubw "dst", "tmp" \n\t"\
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"pmaxsw "tmp", "dst" \n\t" |
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#endif |
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#define CHECK(pj,mj) \ |
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MOVQU" "#pj"(%[cur],%[mrefs]), "MM"2 \n\t" /* cur[x-refs-1+j] */\
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MOVQU" "#mj"(%[cur],%[prefs]), "MM"3 \n\t" /* cur[x+refs-1-j] */\
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MOVQ" "MM"2, "MM"4 \n\t"\
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MOVQ" "MM"2, "MM"5 \n\t"\
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"pxor "MM"3, "MM"4 \n\t"\
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"pavgb "MM"3, "MM"5 \n\t"\
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"pand "MANGLE(ff_pb_1)", "MM"4 \n\t"\
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"psubusb "MM"4, "MM"5 \n\t"\
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PSRL1(MM"5") \
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"punpcklbw "MM"7, "MM"5 \n\t" /* (cur[x-refs+j] + cur[x+refs-j])>>1 */\
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MOVQ" "MM"2, "MM"4 \n\t"\
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"psubusb "MM"3, "MM"2 \n\t"\
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"psubusb "MM"4, "MM"3 \n\t"\
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"pmaxub "MM"3, "MM"2 \n\t"\
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MOVQ" "MM"2, "MM"3 \n\t"\
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MOVQ" "MM"2, "MM"4 \n\t" /* ABS(cur[x-refs-1+j] - cur[x+refs-1-j]) */\
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PSRL1(MM"3") /* ABS(cur[x-refs +j] - cur[x+refs -j]) */\
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PSRL2(MM"4") /* ABS(cur[x-refs+1+j] - cur[x+refs+1-j]) */\
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"punpcklbw "MM"7, "MM"2 \n\t"\
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"punpcklbw "MM"7, "MM"3 \n\t"\
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"punpcklbw "MM"7, "MM"4 \n\t"\
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"paddw "MM"3, "MM"2 \n\t"\
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"paddw "MM"4, "MM"2 \n\t" /* score */ |
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#define CHECK1 \ |
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MOVQ" "MM"0, "MM"3 \n\t"\
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"pcmpgtw "MM"2, "MM"3 \n\t" /* if(score < spatial_score) */\
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"pminsw "MM"2, "MM"0 \n\t" /* spatial_score= score; */\
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MOVQ" "MM"3, "MM"6 \n\t"\
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"pand "MM"3, "MM"5 \n\t"\
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"pandn "MM"1, "MM"3 \n\t"\
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"por "MM"5, "MM"3 \n\t"\
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MOVQ" "MM"3, "MM"1 \n\t" /* spatial_pred= (cur[x-refs+j] + cur[x+refs-j])>>1; */ |
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#define CHECK2 /* pretend not to have checked dir=2 if dir=1 was bad.\ |
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hurts both quality and speed, but matches the C version. */\
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"paddw "MANGLE(ff_pw_1)", "MM"6 \n\t"\
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"psllw $14, "MM"6 \n\t"\
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"paddsw "MM"6, "MM"2 \n\t"\
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MOVQ" "MM"0, "MM"3 \n\t"\
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"pcmpgtw "MM"2, "MM"3 \n\t"\
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"pminsw "MM"2, "MM"0 \n\t"\
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"pand "MM"3, "MM"5 \n\t"\
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"pandn "MM"1, "MM"3 \n\t"\
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"por "MM"5, "MM"3 \n\t"\
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MOVQ" "MM"3, "MM"1 \n\t" |
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void RENAME(ff_yadif_filter_line)(uint8_t *dst, |
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uint8_t *prev, uint8_t *cur, uint8_t *next, |
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int w, int refs, int parity, int mode) |
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{ |
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DECLARE_ALIGNED(16, uint8_t, tmp0[16]); |
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DECLARE_ALIGNED(16, uint8_t, tmp1[16]); |
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DECLARE_ALIGNED(16, uint8_t, tmp2[16]); |
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DECLARE_ALIGNED(16, uint8_t, tmp3[16]); |
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int x; |
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#define FILTER\ |
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for(x=0; x<w; x+=STEP){\
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__asm__ volatile(\
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"pxor "MM"7, "MM"7 \n\t"\
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LOAD("(%[cur],%[mrefs])", MM"0") /* c = cur[x-refs] */\
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LOAD("(%[cur],%[prefs])", MM"1") /* e = cur[x+refs] */\
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LOAD("(%["prev2"])", MM"2") /* prev2[x] */\
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LOAD("(%["next2"])", MM"3") /* next2[x] */\
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MOVQ" "MM"3, "MM"4 \n\t"\
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"paddw "MM"2, "MM"3 \n\t"\
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"psraw $1, "MM"3 \n\t" /* d = (prev2[x] + next2[x])>>1 */\
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MOVQ" "MM"0, %[tmp0] \n\t" /* c */\
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MOVQ" "MM"3, %[tmp1] \n\t" /* d */\
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MOVQ" "MM"1, %[tmp2] \n\t" /* e */\
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"psubw "MM"4, "MM"2 \n\t"\
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PABS( MM"4", MM"2") /* temporal_diff0 */\
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LOAD("(%[prev],%[mrefs])", MM"3") /* prev[x-refs] */\
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LOAD("(%[prev],%[prefs])", MM"4") /* prev[x+refs] */\
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"psubw "MM"0, "MM"3 \n\t"\
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"psubw "MM"1, "MM"4 \n\t"\
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PABS( MM"5", MM"3")\
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PABS( MM"5", MM"4")\
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"paddw "MM"4, "MM"3 \n\t" /* temporal_diff1 */\
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"psrlw $1, "MM"2 \n\t"\
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"psrlw $1, "MM"3 \n\t"\
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"pmaxsw "MM"3, "MM"2 \n\t"\
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LOAD("(%[next],%[mrefs])", MM"3") /* next[x-refs] */\
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LOAD("(%[next],%[prefs])", MM"4") /* next[x+refs] */\
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"psubw "MM"0, "MM"3 \n\t"\
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"psubw "MM"1, "MM"4 \n\t"\
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PABS( MM"5", MM"3")\
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PABS( MM"5", MM"4")\
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"paddw "MM"4, "MM"3 \n\t" /* temporal_diff2 */\
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"psrlw $1, "MM"3 \n\t"\
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"pmaxsw "MM"3, "MM"2 \n\t"\
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MOVQ" "MM"2, %[tmp3] \n\t" /* diff */\
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\
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"paddw "MM"0, "MM"1 \n\t"\
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"paddw "MM"0, "MM"0 \n\t"\
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"psubw "MM"1, "MM"0 \n\t"\
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"psrlw $1, "MM"1 \n\t" /* spatial_pred */\
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PABS( MM"2", MM"0") /* ABS(c-e) */\
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\
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MOVQU" -1(%[cur],%[mrefs]), "MM"2 \n\t" /* cur[x-refs-1] */\
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MOVQU" -1(%[cur],%[prefs]), "MM"3 \n\t" /* cur[x+refs-1] */\
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MOVQ" "MM"2, "MM"4 \n\t"\
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"psubusb "MM"3, "MM"2 \n\t"\
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"psubusb "MM"4, "MM"3 \n\t"\
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"pmaxub "MM"3, "MM"2 \n\t"\
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PSHUF(MM"3", MM"2") \
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"punpcklbw "MM"7, "MM"2 \n\t" /* ABS(cur[x-refs-1] - cur[x+refs-1]) */\
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"punpcklbw "MM"7, "MM"3 \n\t" /* ABS(cur[x-refs+1] - cur[x+refs+1]) */\
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"paddw "MM"2, "MM"0 \n\t"\
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"paddw "MM"3, "MM"0 \n\t"\
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"psubw "MANGLE(ff_pw_1)", "MM"0 \n\t" /* spatial_score */\
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\
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CHECK(-2,0)\
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CHECK1\
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CHECK(-3,1)\
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CHECK2\
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CHECK(0,-2)\
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CHECK1\
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CHECK(1,-3)\
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CHECK2\
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\
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/* if(p->mode<2) ... */\
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MOVQ" %[tmp3], "MM"6 \n\t" /* diff */\
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"cmpl $2, %[mode] \n\t"\
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"jge 1f \n\t"\
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LOAD("(%["prev2"],%[mrefs],2)", MM"2") /* prev2[x-2*refs] */\
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LOAD("(%["next2"],%[mrefs],2)", MM"4") /* next2[x-2*refs] */\
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LOAD("(%["prev2"],%[prefs],2)", MM"3") /* prev2[x+2*refs] */\
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LOAD("(%["next2"],%[prefs],2)", MM"5") /* next2[x+2*refs] */\
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"paddw "MM"4, "MM"2 \n\t"\
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"paddw "MM"5, "MM"3 \n\t"\
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"psrlw $1, "MM"2 \n\t" /* b */\
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"psrlw $1, "MM"3 \n\t" /* f */\
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MOVQ" %[tmp0], "MM"4 \n\t" /* c */\
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MOVQ" %[tmp1], "MM"5 \n\t" /* d */\
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MOVQ" %[tmp2], "MM"7 \n\t" /* e */\
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"psubw "MM"4, "MM"2 \n\t" /* b-c */\
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"psubw "MM"7, "MM"3 \n\t" /* f-e */\
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MOVQ" "MM"5, "MM"0 \n\t"\
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"psubw "MM"4, "MM"5 \n\t" /* d-c */\
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"psubw "MM"7, "MM"0 \n\t" /* d-e */\
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MOVQ" "MM"2, "MM"4 \n\t"\
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"pminsw "MM"3, "MM"2 \n\t"\
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"pmaxsw "MM"4, "MM"3 \n\t"\
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"pmaxsw "MM"5, "MM"2 \n\t"\
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"pminsw "MM"5, "MM"3 \n\t"\
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"pmaxsw "MM"0, "MM"2 \n\t" /* max */\
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"pminsw "MM"0, "MM"3 \n\t" /* min */\
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"pxor "MM"4, "MM"4 \n\t"\
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"pmaxsw "MM"3, "MM"6 \n\t"\
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"psubw "MM"2, "MM"4 \n\t" /* -max */\
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"pmaxsw "MM"4, "MM"6 \n\t" /* diff= MAX3(diff, min, -max); */\
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"1: \n\t"\
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\
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MOVQ" %[tmp1], "MM"2 \n\t" /* d */\
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MOVQ" "MM"2, "MM"3 \n\t"\
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"psubw "MM"6, "MM"2 \n\t" /* d-diff */\
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"paddw "MM"6, "MM"3 \n\t" /* d+diff */\
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"pmaxsw "MM"2, "MM"1 \n\t"\
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"pminsw "MM"3, "MM"1 \n\t" /* d = clip(spatial_pred, d-diff, d+diff); */\
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"packuswb "MM"1, "MM"1 \n\t"\
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\
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:[tmp0]"=m"(tmp0),\
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[tmp1]"=m"(tmp1),\
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[tmp2]"=m"(tmp2),\
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[tmp3]"=m"(tmp3)\
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:[prev] "r"(prev),\
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[cur] "r"(cur),\
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[next] "r"(next),\
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[prefs]"r"((x86_reg)refs),\
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[mrefs]"r"((x86_reg)-refs),\
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[mode] "g"(mode)\
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);\
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__asm__ volatile(MOV" "MM"1, %0" :"=m"(*dst));\
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dst += STEP;\
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prev+= STEP;\
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cur += STEP;\
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next+= STEP;\
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} |
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if (parity) { |
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#define prev2 "prev" |
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#define next2 "cur" |
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FILTER |
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#undef prev2 |
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#undef next2 |
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} else { |
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#define prev2 "cur" |
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#define next2 "next" |
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FILTER |
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#undef prev2 |
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#undef next2 |
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} |
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} |
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#undef STEP |
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#undef MM |
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#undef MOV |
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#undef MOVQ |
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#undef MOVQU |
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#undef PSHUF |
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#undef PSRL1 |
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#undef PSRL2 |
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#undef LOAD |
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#undef PABS |
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#undef CHECK |
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#undef CHECK1 |
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#undef CHECK2 |
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#undef FILTER |
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