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r125: This commit was manufactured by cvs2svn to create tag 'r1_1_7-last'.
[cinelerra_cv/mob.git] / hvirtual / quicktime / libavcodec / i386 / motion_est_mmx.c
blob3368e733318a80e3394efcc06d2e62bf5385bf89
1 /*
2 * MMX optimized motion estimation
3 * Copyright (c) 2001 Fabrice Bellard.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 *
19 * mostly by Michael Niedermayer <michaelni@gmx.at>
20 */
21 #include "../dsputil.h"
22
23 static const __attribute__ ((aligned(8))) UINT64 round_tab[3]={
24 0x0000000000000000,
25 0x0001000100010001,
26 0x0002000200020002,
27 };
28
29 static __attribute__ ((aligned(8))) uint64_t bone= 0x0101010101010101LL;
30
31 static inline void sad8_mmx(UINT8 *blk1, UINT8 *blk2, int stride, int h)
32 {
33 int len= -(stride<<h);
34 asm volatile(
35 ".balign 16 \n\t"
36 "1: \n\t"
37 "movq (%1, %%eax), %%mm0 \n\t"
38 "movq (%2, %%eax), %%mm2 \n\t"
39 "movq (%2, %%eax), %%mm4 \n\t"
40 "addl %3, %%eax \n\t"
41 "psubusb %%mm0, %%mm2 \n\t"
42 "psubusb %%mm4, %%mm0 \n\t"
43 "movq (%1, %%eax), %%mm1 \n\t"
44 "movq (%2, %%eax), %%mm3 \n\t"
45 "movq (%2, %%eax), %%mm5 \n\t"
46 "psubusb %%mm1, %%mm3 \n\t"
47 "psubusb %%mm5, %%mm1 \n\t"
48 "por %%mm2, %%mm0 \n\t"
49 "por %%mm1, %%mm3 \n\t"
50 "movq %%mm0, %%mm1 \n\t"
51 "movq %%mm3, %%mm2 \n\t"
52 "punpcklbw %%mm7, %%mm0 \n\t"
53 "punpckhbw %%mm7, %%mm1 \n\t"
54 "punpcklbw %%mm7, %%mm3 \n\t"
55 "punpckhbw %%mm7, %%mm2 \n\t"
56 "paddw %%mm1, %%mm0 \n\t"
57 "paddw %%mm3, %%mm2 \n\t"
58 "paddw %%mm2, %%mm0 \n\t"
59 "paddw %%mm0, %%mm6 \n\t"
60 "addl %3, %%eax \n\t"
61 " js 1b \n\t"
62 : "+a" (len)
63 : "r" (blk1 - len), "r" (blk2 - len), "r" (stride)
64 );
65 }
66
67 static inline void sad8_mmx2(UINT8 *blk1, UINT8 *blk2, int stride, int h)
68 {
69 int len= -(stride<<h);
70 asm volatile(
71 ".balign 16 \n\t"
72 "1: \n\t"
73 "movq (%1, %%eax), %%mm0 \n\t"
74 "movq (%2, %%eax), %%mm2 \n\t"
75 "psadbw %%mm2, %%mm0 \n\t"
76 "addl %3, %%eax \n\t"
77 "movq (%1, %%eax), %%mm1 \n\t"
78 "movq (%2, %%eax), %%mm3 \n\t"
79 "psadbw %%mm1, %%mm3 \n\t"
80 "paddw %%mm3, %%mm0 \n\t"
81 "paddw %%mm0, %%mm6 \n\t"
82 "addl %3, %%eax \n\t"
83 " js 1b \n\t"
84 : "+a" (len)
85 : "r" (blk1 - len), "r" (blk2 - len), "r" (stride)
86 );
87 }
88
89 static inline void sad8_2_mmx2(UINT8 *blk1a, UINT8 *blk1b, UINT8 *blk2, int stride, int h)
90 {
91 int len= -(stride<<h);
92 asm volatile(
93 ".balign 16 \n\t"
94 "1: \n\t"
95 "movq (%1, %%eax), %%mm0 \n\t"
96 "movq (%2, %%eax), %%mm2 \n\t"
97 "pavgb %%mm2, %%mm0 \n\t"
98 "movq (%3, %%eax), %%mm2 \n\t"
99 "psadbw %%mm2, %%mm0 \n\t"
100 "addl %4, %%eax \n\t"
101 "movq (%1, %%eax), %%mm1 \n\t"
102 "movq (%2, %%eax), %%mm3 \n\t"
103 "pavgb %%mm1, %%mm3 \n\t"
104 "movq (%3, %%eax), %%mm1 \n\t"
105 "psadbw %%mm1, %%mm3 \n\t"
106 "paddw %%mm3, %%mm0 \n\t"
107 "paddw %%mm0, %%mm6 \n\t"
108 "addl %4, %%eax \n\t"
109 " js 1b \n\t"
110 : "+a" (len)
111 : "r" (blk1a - len), "r" (blk1b -len), "r" (blk2 - len), "r" (stride)
112 );
113 }
114
115 static inline void sad8_4_mmx2(UINT8 *blk1, UINT8 *blk2, int stride, int h)
116 { //FIXME reuse src
117 int len= -(stride<<h);
118 asm volatile(
119 ".balign 16 \n\t"
120 "movq "MANGLE(bone)", %%mm5 \n\t"
121 "1: \n\t"
122 "movq (%1, %%eax), %%mm0 \n\t"
123 "movq (%2, %%eax), %%mm2 \n\t"
124 "movq 1(%1, %%eax), %%mm1 \n\t"
125 "movq 1(%2, %%eax), %%mm3 \n\t"
126 "pavgb %%mm2, %%mm0 \n\t"
127 "pavgb %%mm1, %%mm3 \n\t"
128 "psubusb %%mm5, %%mm3 \n\t"
129 "pavgb %%mm3, %%mm0 \n\t"
130 "movq (%3, %%eax), %%mm2 \n\t"
131 "psadbw %%mm2, %%mm0 \n\t"
132 "addl %4, %%eax \n\t"
133 "movq (%1, %%eax), %%mm1 \n\t"
134 "movq (%2, %%eax), %%mm3 \n\t"
135 "movq 1(%1, %%eax), %%mm2 \n\t"
136 "movq 1(%2, %%eax), %%mm4 \n\t"
137 "pavgb %%mm3, %%mm1 \n\t"
138 "pavgb %%mm4, %%mm2 \n\t"
139 "psubusb %%mm5, %%mm2 \n\t"
140 "pavgb %%mm1, %%mm2 \n\t"
141 "movq (%3, %%eax), %%mm1 \n\t"
142 "psadbw %%mm1, %%mm2 \n\t"
143 "paddw %%mm2, %%mm0 \n\t"
144 "paddw %%mm0, %%mm6 \n\t"
145 "addl %4, %%eax \n\t"
146 " js 1b \n\t"
147 : "+a" (len)
148 : "r" (blk1 - len), "r" (blk1 - len + stride), "r" (blk2 - len), "r" (stride)
149 );
150 }
151
152 static inline void sad8_2_mmx(UINT8 *blk1a, UINT8 *blk1b, UINT8 *blk2, int stride, int h)
153 {
154 int len= -(stride<<h);
155 asm volatile(
156 ".balign 16 \n\t"
157 "1: \n\t"
158 "movq (%1, %%eax), %%mm0 \n\t"
159 "movq (%2, %%eax), %%mm1 \n\t"
160 "movq (%1, %%eax), %%mm2 \n\t"
161 "movq (%2, %%eax), %%mm3 \n\t"
162 "punpcklbw %%mm7, %%mm0 \n\t"
163 "punpcklbw %%mm7, %%mm1 \n\t"
164 "punpckhbw %%mm7, %%mm2 \n\t"
165 "punpckhbw %%mm7, %%mm3 \n\t"
166 "paddw %%mm0, %%mm1 \n\t"
167 "paddw %%mm2, %%mm3 \n\t"
168 "movq (%3, %%eax), %%mm4 \n\t"
169 "movq (%3, %%eax), %%mm2 \n\t"
170 "paddw %%mm5, %%mm1 \n\t"
171 "paddw %%mm5, %%mm3 \n\t"
172 "psrlw $1, %%mm1 \n\t"
173 "psrlw $1, %%mm3 \n\t"
174 "packuswb %%mm3, %%mm1 \n\t"
175 "psubusb %%mm1, %%mm4 \n\t"
176 "psubusb %%mm2, %%mm1 \n\t"
177 "por %%mm4, %%mm1 \n\t"
178 "movq %%mm1, %%mm0 \n\t"
179 "punpcklbw %%mm7, %%mm0 \n\t"
180 "punpckhbw %%mm7, %%mm1 \n\t"
181 "paddw %%mm1, %%mm0 \n\t"
182 "paddw %%mm0, %%mm6 \n\t"
183 "addl %4, %%eax \n\t"
184 " js 1b \n\t"
185 : "+a" (len)
186 : "r" (blk1a - len), "r" (blk1b -len), "r" (blk2 - len), "r" (stride)
187 );
188 }
189
190 static inline void sad8_4_mmx(UINT8 *blk1, UINT8 *blk2, int stride, int h)
191 {
192 int len= -(stride<<h);
193 asm volatile(
194 ".balign 16 \n\t"
195 "1: \n\t"
196 "movq (%1, %%eax), %%mm0 \n\t"
197 "movq (%2, %%eax), %%mm1 \n\t"
198 "movq %%mm0, %%mm4 \n\t"
199 "movq %%mm1, %%mm2 \n\t"
200 "punpcklbw %%mm7, %%mm0 \n\t"
201 "punpcklbw %%mm7, %%mm1 \n\t"
202 "punpckhbw %%mm7, %%mm4 \n\t"
203 "punpckhbw %%mm7, %%mm2 \n\t"
204 "paddw %%mm1, %%mm0 \n\t"
205 "paddw %%mm2, %%mm4 \n\t"
206 "movq 1(%1, %%eax), %%mm2 \n\t"
207 "movq 1(%2, %%eax), %%mm3 \n\t"
208 "movq %%mm2, %%mm1 \n\t"
209 "punpcklbw %%mm7, %%mm2 \n\t"
210 "punpckhbw %%mm7, %%mm1 \n\t"
211 "paddw %%mm0, %%mm2 \n\t"
212 "paddw %%mm4, %%mm1 \n\t"
213 "movq %%mm3, %%mm4 \n\t"
214 "punpcklbw %%mm7, %%mm3 \n\t"
215 "punpckhbw %%mm7, %%mm4 \n\t"
216 "paddw %%mm3, %%mm2 \n\t"
217 "paddw %%mm4, %%mm1 \n\t"
218 "movq (%3, %%eax), %%mm3 \n\t"
219 "movq (%3, %%eax), %%mm4 \n\t"
220 "paddw %%mm5, %%mm2 \n\t"
221 "paddw %%mm5, %%mm1 \n\t"
222 "psrlw $2, %%mm2 \n\t"
223 "psrlw $2, %%mm1 \n\t"
224 "packuswb %%mm1, %%mm2 \n\t"
225 "psubusb %%mm2, %%mm3 \n\t"
226 "psubusb %%mm4, %%mm2 \n\t"
227 "por %%mm3, %%mm2 \n\t"
228 "movq %%mm2, %%mm0 \n\t"
229 "punpcklbw %%mm7, %%mm0 \n\t"
230 "punpckhbw %%mm7, %%mm2 \n\t"
231 "paddw %%mm2, %%mm0 \n\t"
232 "paddw %%mm0, %%mm6 \n\t"
233 "addl %4, %%eax \n\t"
234 " js 1b \n\t"
235 : "+a" (len)
236 : "r" (blk1 - len), "r" (blk1 -len + stride), "r" (blk2 - len), "r" (stride)
237 );
238 }
239
240 static inline int sum_mmx()
241 {
242 int ret;
243 asm volatile(
244 "movq %%mm6, %%mm0 \n\t"
245 "psrlq $32, %%mm6 \n\t"
246 "paddw %%mm0, %%mm6 \n\t"
247 "movq %%mm6, %%mm0 \n\t"
248 "psrlq $16, %%mm6 \n\t"
249 "paddw %%mm0, %%mm6 \n\t"
250 "movd %%mm6, %0 \n\t"
251 : "=r" (ret)
252 );
253 return ret&0xFFFF;
254 }
255
256 static inline int sum_mmx2()
257 {
258 int ret;
259 asm volatile(
260 "movd %%mm6, %0 \n\t"
261 : "=r" (ret)
262 );
263 return ret;
264 }
265
266
267 #define PIX_SAD(suf)\
268 int pix_abs8x8_ ## suf(UINT8 *blk2, UINT8 *blk1, int stride)\
269 {\
270 asm volatile("pxor %%mm7, %%mm7 \n\t"\
271 "pxor %%mm6, %%mm6 \n\t":);\
272 \
273 sad8_ ## suf(blk1, blk2, stride, 3);\
274 \
275 return sum_ ## suf();\
276 }\
277 \
278 int pix_abs8x8_x2_ ## suf(UINT8 *blk2, UINT8 *blk1, int stride)\
279 {\
280 asm volatile("pxor %%mm7, %%mm7 \n\t"\
281 "pxor %%mm6, %%mm6 \n\t"\
282 "movq %0, %%mm5 \n\t"\
283 :: "m"(round_tab[1]) \
284 );\
285 \
286 sad8_2_ ## suf(blk1, blk1+1, blk2, stride, 3);\
287 \
288 return sum_ ## suf();\
289 }\
290 \
291 int pix_abs8x8_y2_ ## suf(UINT8 *blk2, UINT8 *blk1, int stride)\
292 {\
293 asm volatile("pxor %%mm7, %%mm7 \n\t"\
294 "pxor %%mm6, %%mm6 \n\t"\
295 "movq %0, %%mm5 \n\t"\
296 :: "m"(round_tab[1]) \
297 );\
298 \
299 sad8_2_ ## suf(blk1, blk1+stride, blk2, stride, 3);\
300 \
301 return sum_ ## suf();\
302 }\
303 \
304 int pix_abs8x8_xy2_ ## suf(UINT8 *blk2, UINT8 *blk1, int stride)\
305 {\
306 asm volatile("pxor %%mm7, %%mm7 \n\t"\
307 "pxor %%mm6, %%mm6 \n\t"\
308 "movq %0, %%mm5 \n\t"\
309 :: "m"(round_tab[2]) \
310 );\
311 \
312 sad8_4_ ## suf(blk1, blk2, stride, 3);\
313 \
314 return sum_ ## suf();\
315 }\
316 \
317 int pix_abs16x16_ ## suf(UINT8 *blk2, UINT8 *blk1, int stride)\
318 {\
319 asm volatile("pxor %%mm7, %%mm7 \n\t"\
320 "pxor %%mm6, %%mm6 \n\t":);\
321 \
322 sad8_ ## suf(blk1 , blk2 , stride, 4);\
323 sad8_ ## suf(blk1+8, blk2+8, stride, 4);\
324 \
325 return sum_ ## suf();\
326 }\
327 int pix_abs16x16_x2_ ## suf(UINT8 *blk2, UINT8 *blk1, int stride)\
328 {\
329 asm volatile("pxor %%mm7, %%mm7 \n\t"\
330 "pxor %%mm6, %%mm6 \n\t"\
331 "movq %0, %%mm5 \n\t"\
332 :: "m"(round_tab[1]) \
333 );\
334 \
335 sad8_2_ ## suf(blk1 , blk1+1, blk2 , stride, 4);\
336 sad8_2_ ## suf(blk1+8, blk1+9, blk2+8, stride, 4);\
337 \
338 return sum_ ## suf();\
339 }\
340 int pix_abs16x16_y2_ ## suf(UINT8 *blk2, UINT8 *blk1, int stride)\
341 {\
342 asm volatile("pxor %%mm7, %%mm7 \n\t"\
343 "pxor %%mm6, %%mm6 \n\t"\
344 "movq %0, %%mm5 \n\t"\
345 :: "m"(round_tab[1]) \
346 );\
347 \
348 sad8_2_ ## suf(blk1 , blk1+stride, blk2 , stride, 4);\
349 sad8_2_ ## suf(blk1+8, blk1+stride+8,blk2+8, stride, 4);\
350 \
351 return sum_ ## suf();\
352 }\
353 int pix_abs16x16_xy2_ ## suf(UINT8 *blk2, UINT8 *blk1, int stride)\
354 {\
355 asm volatile("pxor %%mm7, %%mm7 \n\t"\
356 "pxor %%mm6, %%mm6 \n\t"\
357 "movq %0, %%mm5 \n\t"\
358 :: "m"(round_tab[2]) \
359 );\
360 \
361 sad8_4_ ## suf(blk1 , blk2 , stride, 4);\
362 sad8_4_ ## suf(blk1+8, blk2+8, stride, 4);\
363 \
364 return sum_ ## suf();\
365 }\
366
367 PIX_SAD(mmx)
368 PIX_SAD(mmx2)
mob repository