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10l: typing mistake in r18888
[FFMpeg-mirror/lagarith.git] / libavcodec / x86 / motion_est_mmx.c
blob4673ebc853ecfd9a7ca2c0dea7814049396bffdd
1 /*
2 * MMX optimized motion estimation
3 * Copyright (c) 2001 Fabrice Bellard
4 * Copyright (c) 2002-2004 Michael Niedermayer
5 *
6 * mostly by Michael Niedermayer <michaelni@gmx.at>
7 *
8 * This file is part of FFmpeg.
9 *
10 * FFmpeg is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
14 *
15 * FFmpeg is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with FFmpeg; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 */
24
25 #include "libavutil/x86_cpu.h"
26 #include "libavcodec/dsputil.h"
27
28 DECLARE_ASM_CONST(8, uint64_t, round_tab[3])={
29 0x0000000000000000ULL,
30 0x0001000100010001ULL,
31 0x0002000200020002ULL,
32 };
33
34 DECLARE_ASM_CONST(8, uint64_t, bone)= 0x0101010101010101LL;
35
36 static inline void sad8_1_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h)
37 {
38 x86_reg len= -(stride*h);
39 __asm__ volatile(
40 ASMALIGN(4)
41 "1: \n\t"
42 "movq (%1, %%"REG_a"), %%mm0 \n\t"
43 "movq (%2, %%"REG_a"), %%mm2 \n\t"
44 "movq (%2, %%"REG_a"), %%mm4 \n\t"
45 "add %3, %%"REG_a" \n\t"
46 "psubusb %%mm0, %%mm2 \n\t"
47 "psubusb %%mm4, %%mm0 \n\t"
48 "movq (%1, %%"REG_a"), %%mm1 \n\t"
49 "movq (%2, %%"REG_a"), %%mm3 \n\t"
50 "movq (%2, %%"REG_a"), %%mm5 \n\t"
51 "psubusb %%mm1, %%mm3 \n\t"
52 "psubusb %%mm5, %%mm1 \n\t"
53 "por %%mm2, %%mm0 \n\t"
54 "por %%mm1, %%mm3 \n\t"
55 "movq %%mm0, %%mm1 \n\t"
56 "movq %%mm3, %%mm2 \n\t"
57 "punpcklbw %%mm7, %%mm0 \n\t"
58 "punpckhbw %%mm7, %%mm1 \n\t"
59 "punpcklbw %%mm7, %%mm3 \n\t"
60 "punpckhbw %%mm7, %%mm2 \n\t"
61 "paddw %%mm1, %%mm0 \n\t"
62 "paddw %%mm3, %%mm2 \n\t"
63 "paddw %%mm2, %%mm0 \n\t"
64 "paddw %%mm0, %%mm6 \n\t"
65 "add %3, %%"REG_a" \n\t"
66 " js 1b \n\t"
67 : "+a" (len)
68 : "r" (blk1 - len), "r" (blk2 - len), "r" ((x86_reg)stride)
69 );
70 }
71
72 static inline void sad8_1_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h)
73 {
74 __asm__ volatile(
75 ASMALIGN(4)
76 "1: \n\t"
77 "movq (%1), %%mm0 \n\t"
78 "movq (%1, %3), %%mm1 \n\t"
79 "psadbw (%2), %%mm0 \n\t"
80 "psadbw (%2, %3), %%mm1 \n\t"
81 "paddw %%mm0, %%mm6 \n\t"
82 "paddw %%mm1, %%mm6 \n\t"
83 "lea (%1,%3,2), %1 \n\t"
84 "lea (%2,%3,2), %2 \n\t"
85 "sub $2, %0 \n\t"
86 " jg 1b \n\t"
87 : "+r" (h), "+r" (blk1), "+r" (blk2)
88 : "r" ((x86_reg)stride)
89 );
90 }
91
92 static int sad16_sse2(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)
93 {
94 int ret;
95 __asm__ volatile(
96 "pxor %%xmm6, %%xmm6 \n\t"
97 ASMALIGN(4)
98 "1: \n\t"
99 "movdqu (%1), %%xmm0 \n\t"
100 "movdqu (%1, %3), %%xmm1 \n\t"
101 "psadbw (%2), %%xmm0 \n\t"
102 "psadbw (%2, %3), %%xmm1 \n\t"
103 "paddw %%xmm0, %%xmm6 \n\t"
104 "paddw %%xmm1, %%xmm6 \n\t"
105 "lea (%1,%3,2), %1 \n\t"
106 "lea (%2,%3,2), %2 \n\t"
107 "sub $2, %0 \n\t"
108 " jg 1b \n\t"
109 : "+r" (h), "+r" (blk1), "+r" (blk2)
110 : "r" ((x86_reg)stride)
111 );
112 __asm__ volatile(
113 "movhlps %%xmm6, %%xmm0 \n\t"
114 "paddw %%xmm0, %%xmm6 \n\t"
115 "movd %%xmm6, %0 \n\t"
116 : "=r"(ret)
117 );
118 return ret;
119 }
120
121 static inline void sad8_x2a_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h)
122 {
123 __asm__ volatile(
124 ASMALIGN(4)
125 "1: \n\t"
126 "movq (%1), %%mm0 \n\t"
127 "movq (%1, %3), %%mm1 \n\t"
128 "pavgb 1(%1), %%mm0 \n\t"
129 "pavgb 1(%1, %3), %%mm1 \n\t"
130 "psadbw (%2), %%mm0 \n\t"
131 "psadbw (%2, %3), %%mm1 \n\t"
132 "paddw %%mm0, %%mm6 \n\t"
133 "paddw %%mm1, %%mm6 \n\t"
134 "lea (%1,%3,2), %1 \n\t"
135 "lea (%2,%3,2), %2 \n\t"
136 "sub $2, %0 \n\t"
137 " jg 1b \n\t"
138 : "+r" (h), "+r" (blk1), "+r" (blk2)
139 : "r" ((x86_reg)stride)
140 );
141 }
142
143 static inline void sad8_y2a_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h)
144 {
145 __asm__ volatile(
146 "movq (%1), %%mm0 \n\t"
147 "add %3, %1 \n\t"
148 ASMALIGN(4)
149 "1: \n\t"
150 "movq (%1), %%mm1 \n\t"
151 "movq (%1, %3), %%mm2 \n\t"
152 "pavgb %%mm1, %%mm0 \n\t"
153 "pavgb %%mm2, %%mm1 \n\t"
154 "psadbw (%2), %%mm0 \n\t"
155 "psadbw (%2, %3), %%mm1 \n\t"
156 "paddw %%mm0, %%mm6 \n\t"
157 "paddw %%mm1, %%mm6 \n\t"
158 "movq %%mm2, %%mm0 \n\t"
159 "lea (%1,%3,2), %1 \n\t"
160 "lea (%2,%3,2), %2 \n\t"
161 "sub $2, %0 \n\t"
162 " jg 1b \n\t"
163 : "+r" (h), "+r" (blk1), "+r" (blk2)
164 : "r" ((x86_reg)stride)
165 );
166 }
167
168 static inline void sad8_4_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h)
169 {
170 __asm__ volatile(
171 "movq "MANGLE(bone)", %%mm5 \n\t"
172 "movq (%1), %%mm0 \n\t"
173 "pavgb 1(%1), %%mm0 \n\t"
174 "add %3, %1 \n\t"
175 ASMALIGN(4)
176 "1: \n\t"
177 "movq (%1), %%mm1 \n\t"
178 "movq (%1,%3), %%mm2 \n\t"
179 "pavgb 1(%1), %%mm1 \n\t"
180 "pavgb 1(%1,%3), %%mm2 \n\t"
181 "psubusb %%mm5, %%mm1 \n\t"
182 "pavgb %%mm1, %%mm0 \n\t"
183 "pavgb %%mm2, %%mm1 \n\t"
184 "psadbw (%2), %%mm0 \n\t"
185 "psadbw (%2,%3), %%mm1 \n\t"
186 "paddw %%mm0, %%mm6 \n\t"
187 "paddw %%mm1, %%mm6 \n\t"
188 "movq %%mm2, %%mm0 \n\t"
189 "lea (%1,%3,2), %1 \n\t"
190 "lea (%2,%3,2), %2 \n\t"
191 "sub $2, %0 \n\t"
192 " jg 1b \n\t"
193 : "+r" (h), "+r" (blk1), "+r" (blk2)
194 : "r" ((x86_reg)stride)
195 );
196 }
197
198 static inline void sad8_2_mmx(uint8_t *blk1a, uint8_t *blk1b, uint8_t *blk2, int stride, int h)
199 {
200 x86_reg len= -(stride*h);
201 __asm__ volatile(
202 ASMALIGN(4)
203 "1: \n\t"
204 "movq (%1, %%"REG_a"), %%mm0 \n\t"
205 "movq (%2, %%"REG_a"), %%mm1 \n\t"
206 "movq (%1, %%"REG_a"), %%mm2 \n\t"
207 "movq (%2, %%"REG_a"), %%mm3 \n\t"
208 "punpcklbw %%mm7, %%mm0 \n\t"
209 "punpcklbw %%mm7, %%mm1 \n\t"
210 "punpckhbw %%mm7, %%mm2 \n\t"
211 "punpckhbw %%mm7, %%mm3 \n\t"
212 "paddw %%mm0, %%mm1 \n\t"
213 "paddw %%mm2, %%mm3 \n\t"
214 "movq (%3, %%"REG_a"), %%mm4 \n\t"
215 "movq (%3, %%"REG_a"), %%mm2 \n\t"
216 "paddw %%mm5, %%mm1 \n\t"
217 "paddw %%mm5, %%mm3 \n\t"
218 "psrlw $1, %%mm1 \n\t"
219 "psrlw $1, %%mm3 \n\t"
220 "packuswb %%mm3, %%mm1 \n\t"
221 "psubusb %%mm1, %%mm4 \n\t"
222 "psubusb %%mm2, %%mm1 \n\t"
223 "por %%mm4, %%mm1 \n\t"
224 "movq %%mm1, %%mm0 \n\t"
225 "punpcklbw %%mm7, %%mm0 \n\t"
226 "punpckhbw %%mm7, %%mm1 \n\t"
227 "paddw %%mm1, %%mm0 \n\t"
228 "paddw %%mm0, %%mm6 \n\t"
229 "add %4, %%"REG_a" \n\t"
230 " js 1b \n\t"
231 : "+a" (len)
232 : "r" (blk1a - len), "r" (blk1b -len), "r" (blk2 - len), "r" ((x86_reg)stride)
233 );
234 }
235
236 static inline void sad8_4_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h)
237 {
238 x86_reg len= -(stride*h);
239 __asm__ volatile(
240 "movq (%1, %%"REG_a"), %%mm0 \n\t"
241 "movq 1(%1, %%"REG_a"), %%mm2 \n\t"
242 "movq %%mm0, %%mm1 \n\t"
243 "movq %%mm2, %%mm3 \n\t"
244 "punpcklbw %%mm7, %%mm0 \n\t"
245 "punpckhbw %%mm7, %%mm1 \n\t"
246 "punpcklbw %%mm7, %%mm2 \n\t"
247 "punpckhbw %%mm7, %%mm3 \n\t"
248 "paddw %%mm2, %%mm0 \n\t"
249 "paddw %%mm3, %%mm1 \n\t"
250 ASMALIGN(4)
251 "1: \n\t"
252 "movq (%2, %%"REG_a"), %%mm2 \n\t"
253 "movq 1(%2, %%"REG_a"), %%mm4 \n\t"
254 "movq %%mm2, %%mm3 \n\t"
255 "movq %%mm4, %%mm5 \n\t"
256 "punpcklbw %%mm7, %%mm2 \n\t"
257 "punpckhbw %%mm7, %%mm3 \n\t"
258 "punpcklbw %%mm7, %%mm4 \n\t"
259 "punpckhbw %%mm7, %%mm5 \n\t"
260 "paddw %%mm4, %%mm2 \n\t"
261 "paddw %%mm5, %%mm3 \n\t"
262 "movq 16+"MANGLE(round_tab)", %%mm5 \n\t"
263 "paddw %%mm2, %%mm0 \n\t"
264 "paddw %%mm3, %%mm1 \n\t"
265 "paddw %%mm5, %%mm0 \n\t"
266 "paddw %%mm5, %%mm1 \n\t"
267 "movq (%3, %%"REG_a"), %%mm4 \n\t"
268 "movq (%3, %%"REG_a"), %%mm5 \n\t"
269 "psrlw $2, %%mm0 \n\t"
270 "psrlw $2, %%mm1 \n\t"
271 "packuswb %%mm1, %%mm0 \n\t"
272 "psubusb %%mm0, %%mm4 \n\t"
273 "psubusb %%mm5, %%mm0 \n\t"
274 "por %%mm4, %%mm0 \n\t"
275 "movq %%mm0, %%mm4 \n\t"
276 "punpcklbw %%mm7, %%mm0 \n\t"
277 "punpckhbw %%mm7, %%mm4 \n\t"
278 "paddw %%mm0, %%mm6 \n\t"
279 "paddw %%mm4, %%mm6 \n\t"
280 "movq %%mm2, %%mm0 \n\t"
281 "movq %%mm3, %%mm1 \n\t"
282 "add %4, %%"REG_a" \n\t"
283 " js 1b \n\t"
284 : "+a" (len)
285 : "r" (blk1 - len), "r" (blk1 -len + stride), "r" (blk2 - len), "r" ((x86_reg)stride)
286 );
287 }
288
289 static inline int sum_mmx(void)
290 {
291 int ret;
292 __asm__ volatile(
293 "movq %%mm6, %%mm0 \n\t"
294 "psrlq $32, %%mm6 \n\t"
295 "paddw %%mm0, %%mm6 \n\t"
296 "movq %%mm6, %%mm0 \n\t"
297 "psrlq $16, %%mm6 \n\t"
298 "paddw %%mm0, %%mm6 \n\t"
299 "movd %%mm6, %0 \n\t"
300 : "=r" (ret)
301 );
302 return ret&0xFFFF;
303 }
304
305 static inline int sum_mmx2(void)
306 {
307 int ret;
308 __asm__ volatile(
309 "movd %%mm6, %0 \n\t"
310 : "=r" (ret)
311 );
312 return ret;
313 }
314
315 static inline void sad8_x2a_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h)
316 {
317 sad8_2_mmx(blk1, blk1+1, blk2, stride, h);
318 }
319 static inline void sad8_y2a_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h)
320 {
321 sad8_2_mmx(blk1, blk1+stride, blk2, stride, h);
322 }
323
324
325 #define PIX_SAD(suf)\
326 static int sad8_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\
327 {\
328 assert(h==8);\
329 __asm__ volatile("pxor %%mm7, %%mm7 \n\t"\
330 "pxor %%mm6, %%mm6 \n\t":);\
331 \
332 sad8_1_ ## suf(blk1, blk2, stride, 8);\
333 \
334 return sum_ ## suf();\
335 }\
336 static int sad8_x2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\
337 {\
338 assert(h==8);\
339 __asm__ volatile("pxor %%mm7, %%mm7 \n\t"\
340 "pxor %%mm6, %%mm6 \n\t"\
341 "movq %0, %%mm5 \n\t"\
342 :: "m"(round_tab[1]) \
343 );\
344 \
345 sad8_x2a_ ## suf(blk1, blk2, stride, 8);\
346 \
347 return sum_ ## suf();\
348 }\
349 \
350 static int sad8_y2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\
351 {\
352 assert(h==8);\
353 __asm__ volatile("pxor %%mm7, %%mm7 \n\t"\
354 "pxor %%mm6, %%mm6 \n\t"\
355 "movq %0, %%mm5 \n\t"\
356 :: "m"(round_tab[1]) \
357 );\
358 \
359 sad8_y2a_ ## suf(blk1, blk2, stride, 8);\
360 \
361 return sum_ ## suf();\
362 }\
363 \
364 static int sad8_xy2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\
365 {\
366 assert(h==8);\
367 __asm__ volatile("pxor %%mm7, %%mm7 \n\t"\
368 "pxor %%mm6, %%mm6 \n\t"\
369 ::);\
370 \
371 sad8_4_ ## suf(blk1, blk2, stride, 8);\
372 \
373 return sum_ ## suf();\
374 }\
375 \
376 static int sad16_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\
377 {\
378 __asm__ volatile("pxor %%mm7, %%mm7 \n\t"\
379 "pxor %%mm6, %%mm6 \n\t":);\
380 \
381 sad8_1_ ## suf(blk1 , blk2 , stride, h);\
382 sad8_1_ ## suf(blk1+8, blk2+8, stride, h);\
383 \
384 return sum_ ## suf();\
385 }\
386 static int sad16_x2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\
387 {\
388 __asm__ volatile("pxor %%mm7, %%mm7 \n\t"\
389 "pxor %%mm6, %%mm6 \n\t"\
390 "movq %0, %%mm5 \n\t"\
391 :: "m"(round_tab[1]) \
392 );\
393 \
394 sad8_x2a_ ## suf(blk1 , blk2 , stride, h);\
395 sad8_x2a_ ## suf(blk1+8, blk2+8, stride, h);\
396 \
397 return sum_ ## suf();\
398 }\
399 static int sad16_y2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\
400 {\
401 __asm__ volatile("pxor %%mm7, %%mm7 \n\t"\
402 "pxor %%mm6, %%mm6 \n\t"\
403 "movq %0, %%mm5 \n\t"\
404 :: "m"(round_tab[1]) \
405 );\
406 \
407 sad8_y2a_ ## suf(blk1 , blk2 , stride, h);\
408 sad8_y2a_ ## suf(blk1+8, blk2+8, stride, h);\
409 \
410 return sum_ ## suf();\
411 }\
412 static int sad16_xy2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\
413 {\
414 __asm__ volatile("pxor %%mm7, %%mm7 \n\t"\
415 "pxor %%mm6, %%mm6 \n\t"\
416 ::);\
417 \
418 sad8_4_ ## suf(blk1 , blk2 , stride, h);\
419 sad8_4_ ## suf(blk1+8, blk2+8, stride, h);\
420 \
421 return sum_ ## suf();\
422 }\
423
424 PIX_SAD(mmx)
425 PIX_SAD(mmx2)
426
427 void dsputil_init_pix_mmx(DSPContext* c, AVCodecContext *avctx)
428 {
429 if (mm_flags & FF_MM_MMX) {
430 c->pix_abs[0][0] = sad16_mmx;
431 c->pix_abs[0][1] = sad16_x2_mmx;
432 c->pix_abs[0][2] = sad16_y2_mmx;
433 c->pix_abs[0][3] = sad16_xy2_mmx;
434 c->pix_abs[1][0] = sad8_mmx;
435 c->pix_abs[1][1] = sad8_x2_mmx;
436 c->pix_abs[1][2] = sad8_y2_mmx;
437 c->pix_abs[1][3] = sad8_xy2_mmx;
438
439 c->sad[0]= sad16_mmx;
440 c->sad[1]= sad8_mmx;
441 }
442 if (mm_flags & FF_MM_MMX2) {
443 c->pix_abs[0][0] = sad16_mmx2;
444 c->pix_abs[1][0] = sad8_mmx2;
445
446 c->sad[0]= sad16_mmx2;
447 c->sad[1]= sad8_mmx2;
448
449 if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
450 c->pix_abs[0][1] = sad16_x2_mmx2;
451 c->pix_abs[0][2] = sad16_y2_mmx2;
452 c->pix_abs[0][3] = sad16_xy2_mmx2;
453 c->pix_abs[1][1] = sad8_x2_mmx2;
454 c->pix_abs[1][2] = sad8_y2_mmx2;
455 c->pix_abs[1][3] = sad8_xy2_mmx2;
456 }
457 }
458 if ((mm_flags & FF_MM_SSE2) && !(mm_flags & FF_MM_3DNOW) && avctx->codec_id != CODEC_ID_SNOW) {
459 c->sad[0]= sad16_sse2;
460 }
461 }
ffmpeg Lagarith lossless decoder