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source: vbox/trunk/src/libs/ffmpeg-20060710/libavcodec/i386/dsputil_mmx_avg.h@ 9384

Last change on this file since 9384 was 5776, checked in by vboxsync, 17 years ago

ffmpeg: exported to OSE
File size: 34.8 KB
Line 
1/*
2 * DSP utils : average functions are compiled twice for 3dnow/mmx2
3 * Copyright (c) 2000, 2001 Fabrice Bellard.
4 * Copyright (c) 2002-2004 Michael Niedermayer
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 *
20 * MMX optimization by Nick Kurshev <[email protected]>
21 * mostly rewritten by Michael Niedermayer <[email protected]>
22 * and improved by Zdenek Kabelac <[email protected]>
23 */
24
25/* XXX: we use explicit registers to avoid a gcc 2.95.2 register asm
26 clobber bug - now it will work with 2.95.2 and also with -fPIC
27 */
28static void DEF(put_pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
29{
30 __asm __volatile(
31 "lea (%3, %3), %%"REG_a" \n\t"
32 "1: \n\t"
33 "movq (%1), %%mm0 \n\t"
34 "movq (%1, %3), %%mm1 \n\t"
35 PAVGB" 1(%1), %%mm0 \n\t"
36 PAVGB" 1(%1, %3), %%mm1 \n\t"
37 "movq %%mm0, (%2) \n\t"
38 "movq %%mm1, (%2, %3) \n\t"
39 "add %%"REG_a", %1 \n\t"
40 "add %%"REG_a", %2 \n\t"
41 "movq (%1), %%mm0 \n\t"
42 "movq (%1, %3), %%mm1 \n\t"
43 PAVGB" 1(%1), %%mm0 \n\t"
44 PAVGB" 1(%1, %3), %%mm1 \n\t"
45 "add %%"REG_a", %1 \n\t"
46 "movq %%mm0, (%2) \n\t"
47 "movq %%mm1, (%2, %3) \n\t"
48 "add %%"REG_a", %2 \n\t"
49 "subl $4, %0 \n\t"
50 "jnz 1b \n\t"
51 :"+g"(h), "+S"(pixels), "+D"(block)
52 :"r" ((long)line_size)
53 :"%"REG_a, "memory");
54}
55
56static void DEF(put_pixels4_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
57{
58 __asm __volatile(
59 "testl $1, %0 \n\t"
60 " jz 1f \n\t"
61 "movd (%1), %%mm0 \n\t"
62 "movd (%2), %%mm1 \n\t"
63 "add %4, %1 \n\t"
64 "add $4, %2 \n\t"
65 PAVGB" %%mm1, %%mm0 \n\t"
66 "movd %%mm0, (%3) \n\t"
67 "add %5, %3 \n\t"
68 "decl %0 \n\t"
69 "1: \n\t"
70 "movd (%1), %%mm0 \n\t"
71 "add %4, %1 \n\t"
72 "movd (%1), %%mm1 \n\t"
73 "movd (%2), %%mm2 \n\t"
74 "movd 4(%2), %%mm3 \n\t"
75 "add %4, %1 \n\t"
76 PAVGB" %%mm2, %%mm0 \n\t"
77 PAVGB" %%mm3, %%mm1 \n\t"
78 "movd %%mm0, (%3) \n\t"
79 "add %5, %3 \n\t"
80 "movd %%mm1, (%3) \n\t"
81 "add %5, %3 \n\t"
82 "movd (%1), %%mm0 \n\t"
83 "add %4, %1 \n\t"
84 "movd (%1), %%mm1 \n\t"
85 "movd 8(%2), %%mm2 \n\t"
86 "movd 12(%2), %%mm3 \n\t"
87 "add %4, %1 \n\t"
88 PAVGB" %%mm2, %%mm0 \n\t"
89 PAVGB" %%mm3, %%mm1 \n\t"
90 "movd %%mm0, (%3) \n\t"
91 "add %5, %3 \n\t"
92 "movd %%mm1, (%3) \n\t"
93 "add %5, %3 \n\t"
94 "add $16, %2 \n\t"
95 "subl $4, %0 \n\t"
96 "jnz 1b \n\t"
97#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cant be used
98 :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
99#else
100 :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
101#endif
102 :"S"((long)src1Stride), "D"((long)dstStride)
103 :"memory");
104}
105
106
107static void DEF(put_pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
108{
109 __asm __volatile(
110 "testl $1, %0 \n\t"
111 " jz 1f \n\t"
112 "movq (%1), %%mm0 \n\t"
113 "movq (%2), %%mm1 \n\t"
114 "add %4, %1 \n\t"
115 "add $8, %2 \n\t"
116 PAVGB" %%mm1, %%mm0 \n\t"
117 "movq %%mm0, (%3) \n\t"
118 "add %5, %3 \n\t"
119 "decl %0 \n\t"
120 "1: \n\t"
121 "movq (%1), %%mm0 \n\t"
122 "add %4, %1 \n\t"
123 "movq (%1), %%mm1 \n\t"
124 "add %4, %1 \n\t"
125 PAVGB" (%2), %%mm0 \n\t"
126 PAVGB" 8(%2), %%mm1 \n\t"
127 "movq %%mm0, (%3) \n\t"
128 "add %5, %3 \n\t"
129 "movq %%mm1, (%3) \n\t"
130 "add %5, %3 \n\t"
131 "movq (%1), %%mm0 \n\t"
132 "add %4, %1 \n\t"
133 "movq (%1), %%mm1 \n\t"
134 "add %4, %1 \n\t"
135 PAVGB" 16(%2), %%mm0 \n\t"
136 PAVGB" 24(%2), %%mm1 \n\t"
137 "movq %%mm0, (%3) \n\t"
138 "add %5, %3 \n\t"
139 "movq %%mm1, (%3) \n\t"
140 "add %5, %3 \n\t"
141 "add $32, %2 \n\t"
142 "subl $4, %0 \n\t"
143 "jnz 1b \n\t"
144#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cant be used
145 :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
146#else
147 :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
148#endif
149 :"S"((long)src1Stride), "D"((long)dstStride)
150 :"memory");
151//the following should be used, though better not with gcc ...
152/* :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
153 :"r"(src1Stride), "r"(dstStride)
154 :"memory");*/
155}
156
157static void DEF(put_no_rnd_pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
158{
159 __asm __volatile(
160 "pcmpeqb %%mm6, %%mm6 \n\t"
161 "testl $1, %0 \n\t"
162 " jz 1f \n\t"
163 "movq (%1), %%mm0 \n\t"
164 "movq (%2), %%mm1 \n\t"
165 "add %4, %1 \n\t"
166 "add $8, %2 \n\t"
167 "pxor %%mm6, %%mm0 \n\t"
168 "pxor %%mm6, %%mm1 \n\t"
169 PAVGB" %%mm1, %%mm0 \n\t"
170 "pxor %%mm6, %%mm0 \n\t"
171 "movq %%mm0, (%3) \n\t"
172 "add %5, %3 \n\t"
173 "decl %0 \n\t"
174 "1: \n\t"
175 "movq (%1), %%mm0 \n\t"
176 "add %4, %1 \n\t"
177 "movq (%1), %%mm1 \n\t"
178 "add %4, %1 \n\t"
179 "movq (%2), %%mm2 \n\t"
180 "movq 8(%2), %%mm3 \n\t"
181 "pxor %%mm6, %%mm0 \n\t"
182 "pxor %%mm6, %%mm1 \n\t"
183 "pxor %%mm6, %%mm2 \n\t"
184 "pxor %%mm6, %%mm3 \n\t"
185 PAVGB" %%mm2, %%mm0 \n\t"
186 PAVGB" %%mm3, %%mm1 \n\t"
187 "pxor %%mm6, %%mm0 \n\t"
188 "pxor %%mm6, %%mm1 \n\t"
189 "movq %%mm0, (%3) \n\t"
190 "add %5, %3 \n\t"
191 "movq %%mm1, (%3) \n\t"
192 "add %5, %3 \n\t"
193 "movq (%1), %%mm0 \n\t"
194 "add %4, %1 \n\t"
195 "movq (%1), %%mm1 \n\t"
196 "add %4, %1 \n\t"
197 "movq 16(%2), %%mm2 \n\t"
198 "movq 24(%2), %%mm3 \n\t"
199 "pxor %%mm6, %%mm0 \n\t"
200 "pxor %%mm6, %%mm1 \n\t"
201 "pxor %%mm6, %%mm2 \n\t"
202 "pxor %%mm6, %%mm3 \n\t"
203 PAVGB" %%mm2, %%mm0 \n\t"
204 PAVGB" %%mm3, %%mm1 \n\t"
205 "pxor %%mm6, %%mm0 \n\t"
206 "pxor %%mm6, %%mm1 \n\t"
207 "movq %%mm0, (%3) \n\t"
208 "add %5, %3 \n\t"
209 "movq %%mm1, (%3) \n\t"
210 "add %5, %3 \n\t"
211 "add $32, %2 \n\t"
212 "subl $4, %0 \n\t"
213 "jnz 1b \n\t"
214#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cant be used
215 :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
216#else
217 :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
218#endif
219 :"S"((long)src1Stride), "D"((long)dstStride)
220 :"memory");
221//the following should be used, though better not with gcc ...
222/* :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
223 :"r"(src1Stride), "r"(dstStride)
224 :"memory");*/
225}
226
227static void DEF(avg_pixels4_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
228{
229 __asm __volatile(
230 "testl $1, %0 \n\t"
231 " jz 1f \n\t"
232 "movd (%1), %%mm0 \n\t"
233 "movd (%2), %%mm1 \n\t"
234 "add %4, %1 \n\t"
235 "add $4, %2 \n\t"
236 PAVGB" %%mm1, %%mm0 \n\t"
237 PAVGB" (%3), %%mm0 \n\t"
238 "movd %%mm0, (%3) \n\t"
239 "add %5, %3 \n\t"
240 "decl %0 \n\t"
241 "1: \n\t"
242 "movd (%1), %%mm0 \n\t"
243 "add %4, %1 \n\t"
244 "movd (%1), %%mm1 \n\t"
245 "add %4, %1 \n\t"
246 PAVGB" (%2), %%mm0 \n\t"
247 PAVGB" 4(%2), %%mm1 \n\t"
248 PAVGB" (%3), %%mm0 \n\t"
249 "movd %%mm0, (%3) \n\t"
250 "add %5, %3 \n\t"
251 PAVGB" (%3), %%mm1 \n\t"
252 "movd %%mm1, (%3) \n\t"
253 "add %5, %3 \n\t"
254 "movd (%1), %%mm0 \n\t"
255 "add %4, %1 \n\t"
256 "movd (%1), %%mm1 \n\t"
257 "add %4, %1 \n\t"
258 PAVGB" 8(%2), %%mm0 \n\t"
259 PAVGB" 12(%2), %%mm1 \n\t"
260 PAVGB" (%3), %%mm0 \n\t"
261 "movd %%mm0, (%3) \n\t"
262 "add %5, %3 \n\t"
263 PAVGB" (%3), %%mm1 \n\t"
264 "movd %%mm1, (%3) \n\t"
265 "add %5, %3 \n\t"
266 "add $16, %2 \n\t"
267 "subl $4, %0 \n\t"
268 "jnz 1b \n\t"
269#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cant be used
270 :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
271#else
272 :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
273#endif
274 :"S"((long)src1Stride), "D"((long)dstStride)
275 :"memory");
276}
277
278
279static void DEF(avg_pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
280{
281 __asm __volatile(
282 "testl $1, %0 \n\t"
283 " jz 1f \n\t"
284 "movq (%1), %%mm0 \n\t"
285 "movq (%2), %%mm1 \n\t"
286 "add %4, %1 \n\t"
287 "add $8, %2 \n\t"
288 PAVGB" %%mm1, %%mm0 \n\t"
289 PAVGB" (%3), %%mm0 \n\t"
290 "movq %%mm0, (%3) \n\t"
291 "add %5, %3 \n\t"
292 "decl %0 \n\t"
293 "1: \n\t"
294 "movq (%1), %%mm0 \n\t"
295 "add %4, %1 \n\t"
296 "movq (%1), %%mm1 \n\t"
297 "add %4, %1 \n\t"
298 PAVGB" (%2), %%mm0 \n\t"
299 PAVGB" 8(%2), %%mm1 \n\t"
300 PAVGB" (%3), %%mm0 \n\t"
301 "movq %%mm0, (%3) \n\t"
302 "add %5, %3 \n\t"
303 PAVGB" (%3), %%mm1 \n\t"
304 "movq %%mm1, (%3) \n\t"
305 "add %5, %3 \n\t"
306 "movq (%1), %%mm0 \n\t"
307 "add %4, %1 \n\t"
308 "movq (%1), %%mm1 \n\t"
309 "add %4, %1 \n\t"
310 PAVGB" 16(%2), %%mm0 \n\t"
311 PAVGB" 24(%2), %%mm1 \n\t"
312 PAVGB" (%3), %%mm0 \n\t"
313 "movq %%mm0, (%3) \n\t"
314 "add %5, %3 \n\t"
315 PAVGB" (%3), %%mm1 \n\t"
316 "movq %%mm1, (%3) \n\t"
317 "add %5, %3 \n\t"
318 "add $32, %2 \n\t"
319 "subl $4, %0 \n\t"
320 "jnz 1b \n\t"
321#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cant be used
322 :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
323#else
324 :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
325#endif
326 :"S"((long)src1Stride), "D"((long)dstStride)
327 :"memory");
328//the following should be used, though better not with gcc ...
329/* :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
330 :"r"(src1Stride), "r"(dstStride)
331 :"memory");*/
332}
333
334static void DEF(put_pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
335{
336 __asm __volatile(
337 "lea (%3, %3), %%"REG_a" \n\t"
338 "1: \n\t"
339 "movq (%1), %%mm0 \n\t"
340 "movq (%1, %3), %%mm1 \n\t"
341 "movq 8(%1), %%mm2 \n\t"
342 "movq 8(%1, %3), %%mm3 \n\t"
343 PAVGB" 1(%1), %%mm0 \n\t"
344 PAVGB" 1(%1, %3), %%mm1 \n\t"
345 PAVGB" 9(%1), %%mm2 \n\t"
346 PAVGB" 9(%1, %3), %%mm3 \n\t"
347 "movq %%mm0, (%2) \n\t"
348 "movq %%mm1, (%2, %3) \n\t"
349 "movq %%mm2, 8(%2) \n\t"
350 "movq %%mm3, 8(%2, %3) \n\t"
351 "add %%"REG_a", %1 \n\t"
352 "add %%"REG_a", %2 \n\t"
353 "movq (%1), %%mm0 \n\t"
354 "movq (%1, %3), %%mm1 \n\t"
355 "movq 8(%1), %%mm2 \n\t"
356 "movq 8(%1, %3), %%mm3 \n\t"
357 PAVGB" 1(%1), %%mm0 \n\t"
358 PAVGB" 1(%1, %3), %%mm1 \n\t"
359 PAVGB" 9(%1), %%mm2 \n\t"
360 PAVGB" 9(%1, %3), %%mm3 \n\t"
361 "add %%"REG_a", %1 \n\t"
362 "movq %%mm0, (%2) \n\t"
363 "movq %%mm1, (%2, %3) \n\t"
364 "movq %%mm2, 8(%2) \n\t"
365 "movq %%mm3, 8(%2, %3) \n\t"
366 "add %%"REG_a", %2 \n\t"
367 "subl $4, %0 \n\t"
368 "jnz 1b \n\t"
369 :"+g"(h), "+S"(pixels), "+D"(block)
370 :"r" ((long)line_size)
371 :"%"REG_a, "memory");
372}
373
374static void DEF(put_pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
375{
376 __asm __volatile(
377 "testl $1, %0 \n\t"
378 " jz 1f \n\t"
379 "movq (%1), %%mm0 \n\t"
380 "movq 8(%1), %%mm1 \n\t"
381 PAVGB" (%2), %%mm0 \n\t"
382 PAVGB" 8(%2), %%mm1 \n\t"
383 "add %4, %1 \n\t"
384 "add $16, %2 \n\t"
385 "movq %%mm0, (%3) \n\t"
386 "movq %%mm1, 8(%3) \n\t"
387 "add %5, %3 \n\t"
388 "decl %0 \n\t"
389 "1: \n\t"
390 "movq (%1), %%mm0 \n\t"
391 "movq 8(%1), %%mm1 \n\t"
392 "add %4, %1 \n\t"
393 PAVGB" (%2), %%mm0 \n\t"
394 PAVGB" 8(%2), %%mm1 \n\t"
395 "movq %%mm0, (%3) \n\t"
396 "movq %%mm1, 8(%3) \n\t"
397 "add %5, %3 \n\t"
398 "movq (%1), %%mm0 \n\t"
399 "movq 8(%1), %%mm1 \n\t"
400 "add %4, %1 \n\t"
401 PAVGB" 16(%2), %%mm0 \n\t"
402 PAVGB" 24(%2), %%mm1 \n\t"
403 "movq %%mm0, (%3) \n\t"
404 "movq %%mm1, 8(%3) \n\t"
405 "add %5, %3 \n\t"
406 "add $32, %2 \n\t"
407 "subl $2, %0 \n\t"
408 "jnz 1b \n\t"
409#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cant be used
410 :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
411#else
412 :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
413#endif
414 :"S"((long)src1Stride), "D"((long)dstStride)
415 :"memory");
416//the following should be used, though better not with gcc ...
417/* :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
418 :"r"(src1Stride), "r"(dstStride)
419 :"memory");*/
420}
421
422static void DEF(avg_pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
423{
424 __asm __volatile(
425 "testl $1, %0 \n\t"
426 " jz 1f \n\t"
427 "movq (%1), %%mm0 \n\t"
428 "movq 8(%1), %%mm1 \n\t"
429 PAVGB" (%2), %%mm0 \n\t"
430 PAVGB" 8(%2), %%mm1 \n\t"
431 "add %4, %1 \n\t"
432 "add $16, %2 \n\t"
433 PAVGB" (%3), %%mm0 \n\t"
434 PAVGB" 8(%3), %%mm1 \n\t"
435 "movq %%mm0, (%3) \n\t"
436 "movq %%mm1, 8(%3) \n\t"
437 "add %5, %3 \n\t"
438 "decl %0 \n\t"
439 "1: \n\t"
440 "movq (%1), %%mm0 \n\t"
441 "movq 8(%1), %%mm1 \n\t"
442 "add %4, %1 \n\t"
443 PAVGB" (%2), %%mm0 \n\t"
444 PAVGB" 8(%2), %%mm1 \n\t"
445 PAVGB" (%3), %%mm0 \n\t"
446 PAVGB" 8(%3), %%mm1 \n\t"
447 "movq %%mm0, (%3) \n\t"
448 "movq %%mm1, 8(%3) \n\t"
449 "add %5, %3 \n\t"
450 "movq (%1), %%mm0 \n\t"
451 "movq 8(%1), %%mm1 \n\t"
452 "add %4, %1 \n\t"
453 PAVGB" 16(%2), %%mm0 \n\t"
454 PAVGB" 24(%2), %%mm1 \n\t"
455 PAVGB" (%3), %%mm0 \n\t"
456 PAVGB" 8(%3), %%mm1 \n\t"
457 "movq %%mm0, (%3) \n\t"
458 "movq %%mm1, 8(%3) \n\t"
459 "add %5, %3 \n\t"
460 "add $32, %2 \n\t"
461 "subl $2, %0 \n\t"
462 "jnz 1b \n\t"
463#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cant be used
464 :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
465#else
466 :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
467#endif
468 :"S"((long)src1Stride), "D"((long)dstStride)
469 :"memory");
470//the following should be used, though better not with gcc ...
471/* :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
472 :"r"(src1Stride), "r"(dstStride)
473 :"memory");*/
474}
475
476static void DEF(put_no_rnd_pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
477{
478 __asm __volatile(
479 "pcmpeqb %%mm6, %%mm6 \n\t"
480 "testl $1, %0 \n\t"
481 " jz 1f \n\t"
482 "movq (%1), %%mm0 \n\t"
483 "movq 8(%1), %%mm1 \n\t"
484 "movq (%2), %%mm2 \n\t"
485 "movq 8(%2), %%mm3 \n\t"
486 "pxor %%mm6, %%mm0 \n\t"
487 "pxor %%mm6, %%mm1 \n\t"
488 "pxor %%mm6, %%mm2 \n\t"
489 "pxor %%mm6, %%mm3 \n\t"
490 PAVGB" %%mm2, %%mm0 \n\t"
491 PAVGB" %%mm3, %%mm1 \n\t"
492 "pxor %%mm6, %%mm0 \n\t"
493 "pxor %%mm6, %%mm1 \n\t"
494 "add %4, %1 \n\t"
495 "add $16, %2 \n\t"
496 "movq %%mm0, (%3) \n\t"
497 "movq %%mm1, 8(%3) \n\t"
498 "add %5, %3 \n\t"
499 "decl %0 \n\t"
500 "1: \n\t"
501 "movq (%1), %%mm0 \n\t"
502 "movq 8(%1), %%mm1 \n\t"
503 "add %4, %1 \n\t"
504 "movq (%2), %%mm2 \n\t"
505 "movq 8(%2), %%mm3 \n\t"
506 "pxor %%mm6, %%mm0 \n\t"
507 "pxor %%mm6, %%mm1 \n\t"
508 "pxor %%mm6, %%mm2 \n\t"
509 "pxor %%mm6, %%mm3 \n\t"
510 PAVGB" %%mm2, %%mm0 \n\t"
511 PAVGB" %%mm3, %%mm1 \n\t"
512 "pxor %%mm6, %%mm0 \n\t"
513 "pxor %%mm6, %%mm1 \n\t"
514 "movq %%mm0, (%3) \n\t"
515 "movq %%mm1, 8(%3) \n\t"
516 "add %5, %3 \n\t"
517 "movq (%1), %%mm0 \n\t"
518 "movq 8(%1), %%mm1 \n\t"
519 "add %4, %1 \n\t"
520 "movq 16(%2), %%mm2 \n\t"
521 "movq 24(%2), %%mm3 \n\t"
522 "pxor %%mm6, %%mm0 \n\t"
523 "pxor %%mm6, %%mm1 \n\t"
524 "pxor %%mm6, %%mm2 \n\t"
525 "pxor %%mm6, %%mm3 \n\t"
526 PAVGB" %%mm2, %%mm0 \n\t"
527 PAVGB" %%mm3, %%mm1 \n\t"
528 "pxor %%mm6, %%mm0 \n\t"
529 "pxor %%mm6, %%mm1 \n\t"
530 "movq %%mm0, (%3) \n\t"
531 "movq %%mm1, 8(%3) \n\t"
532 "add %5, %3 \n\t"
533 "add $32, %2 \n\t"
534 "subl $2, %0 \n\t"
535 "jnz 1b \n\t"
536#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cant be used
537 :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
538#else
539 :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
540#endif
541 :"S"((long)src1Stride), "D"((long)dstStride)
542 :"memory");
543//the following should be used, though better not with gcc ...
544/* :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
545 :"r"(src1Stride), "r"(dstStride)
546 :"memory");*/
547}
548
549/* GL: this function does incorrect rounding if overflow */
550static void DEF(put_no_rnd_pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
551{
552 MOVQ_BONE(mm6);
553 __asm __volatile(
554 "lea (%3, %3), %%"REG_a" \n\t"
555 "1: \n\t"
556 "movq (%1), %%mm0 \n\t"
557 "movq (%1, %3), %%mm2 \n\t"
558 "movq 1(%1), %%mm1 \n\t"
559 "movq 1(%1, %3), %%mm3 \n\t"
560 "add %%"REG_a", %1 \n\t"
561 "psubusb %%mm6, %%mm0 \n\t"
562 "psubusb %%mm6, %%mm2 \n\t"
563 PAVGB" %%mm1, %%mm0 \n\t"
564 PAVGB" %%mm3, %%mm2 \n\t"
565 "movq %%mm0, (%2) \n\t"
566 "movq %%mm2, (%2, %3) \n\t"
567 "movq (%1), %%mm0 \n\t"
568 "movq 1(%1), %%mm1 \n\t"
569 "movq (%1, %3), %%mm2 \n\t"
570 "movq 1(%1, %3), %%mm3 \n\t"
571 "add %%"REG_a", %2 \n\t"
572 "add %%"REG_a", %1 \n\t"
573 "psubusb %%mm6, %%mm0 \n\t"
574 "psubusb %%mm6, %%mm2 \n\t"
575 PAVGB" %%mm1, %%mm0 \n\t"
576 PAVGB" %%mm3, %%mm2 \n\t"
577 "movq %%mm0, (%2) \n\t"
578 "movq %%mm2, (%2, %3) \n\t"
579 "add %%"REG_a", %2 \n\t"
580 "subl $4, %0 \n\t"
581 "jnz 1b \n\t"
582 :"+g"(h), "+S"(pixels), "+D"(block)
583 :"r" ((long)line_size)
584 :"%"REG_a, "memory");
585}
586
587static void DEF(put_pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
588{
589 __asm __volatile(
590 "lea (%3, %3), %%"REG_a" \n\t"
591 "movq (%1), %%mm0 \n\t"
592 "sub %3, %2 \n\t"
593 "1: \n\t"
594 "movq (%1, %3), %%mm1 \n\t"
595 "movq (%1, %%"REG_a"), %%mm2 \n\t"
596 "add %%"REG_a", %1 \n\t"
597 PAVGB" %%mm1, %%mm0 \n\t"
598 PAVGB" %%mm2, %%mm1 \n\t"
599 "movq %%mm0, (%2, %3) \n\t"
600 "movq %%mm1, (%2, %%"REG_a") \n\t"
601 "movq (%1, %3), %%mm1 \n\t"
602 "movq (%1, %%"REG_a"), %%mm0 \n\t"
603 "add %%"REG_a", %2 \n\t"
604 "add %%"REG_a", %1 \n\t"
605 PAVGB" %%mm1, %%mm2 \n\t"
606 PAVGB" %%mm0, %%mm1 \n\t"
607 "movq %%mm2, (%2, %3) \n\t"
608 "movq %%mm1, (%2, %%"REG_a") \n\t"
609 "add %%"REG_a", %2 \n\t"
610 "subl $4, %0 \n\t"
611 "jnz 1b \n\t"
612 :"+g"(h), "+S"(pixels), "+D" (block)
613 :"r" ((long)line_size)
614 :"%"REG_a, "memory");
615}
616
617/* GL: this function does incorrect rounding if overflow */
618static void DEF(put_no_rnd_pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
619{
620 MOVQ_BONE(mm6);
621 __asm __volatile(
622 "lea (%3, %3), %%"REG_a" \n\t"
623 "movq (%1), %%mm0 \n\t"
624 "sub %3, %2 \n\t"
625 "1: \n\t"
626 "movq (%1, %3), %%mm1 \n\t"
627 "movq (%1, %%"REG_a"), %%mm2 \n\t"
628 "add %%"REG_a", %1 \n\t"
629 "psubusb %%mm6, %%mm1 \n\t"
630 PAVGB" %%mm1, %%mm0 \n\t"
631 PAVGB" %%mm2, %%mm1 \n\t"
632 "movq %%mm0, (%2, %3) \n\t"
633 "movq %%mm1, (%2, %%"REG_a") \n\t"
634 "movq (%1, %3), %%mm1 \n\t"
635 "movq (%1, %%"REG_a"), %%mm0 \n\t"
636 "add %%"REG_a", %2 \n\t"
637 "add %%"REG_a", %1 \n\t"
638 "psubusb %%mm6, %%mm1 \n\t"
639 PAVGB" %%mm1, %%mm2 \n\t"
640 PAVGB" %%mm0, %%mm1 \n\t"
641 "movq %%mm2, (%2, %3) \n\t"
642 "movq %%mm1, (%2, %%"REG_a") \n\t"
643 "add %%"REG_a", %2 \n\t"
644 "subl $4, %0 \n\t"
645 "jnz 1b \n\t"
646 :"+g"(h), "+S"(pixels), "+D" (block)
647 :"r" ((long)line_size)
648 :"%"REG_a, "memory");
649}
650
651static void DEF(avg_pixels8)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
652{
653 __asm __volatile(
654 "lea (%3, %3), %%"REG_a" \n\t"
655 "1: \n\t"
656 "movq (%2), %%mm0 \n\t"
657 "movq (%2, %3), %%mm1 \n\t"
658 PAVGB" (%1), %%mm0 \n\t"
659 PAVGB" (%1, %3), %%mm1 \n\t"
660 "movq %%mm0, (%2) \n\t"
661 "movq %%mm1, (%2, %3) \n\t"
662 "add %%"REG_a", %1 \n\t"
663 "add %%"REG_a", %2 \n\t"
664 "movq (%2), %%mm0 \n\t"
665 "movq (%2, %3), %%mm1 \n\t"
666 PAVGB" (%1), %%mm0 \n\t"
667 PAVGB" (%1, %3), %%mm1 \n\t"
668 "add %%"REG_a", %1 \n\t"
669 "movq %%mm0, (%2) \n\t"
670 "movq %%mm1, (%2, %3) \n\t"
671 "add %%"REG_a", %2 \n\t"
672 "subl $4, %0 \n\t"
673 "jnz 1b \n\t"
674 :"+g"(h), "+S"(pixels), "+D"(block)
675 :"r" ((long)line_size)
676 :"%"REG_a, "memory");
677}
678
679static void DEF(avg_pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
680{
681 __asm __volatile(
682 "lea (%3, %3), %%"REG_a" \n\t"
683 "1: \n\t"
684 "movq (%1), %%mm0 \n\t"
685 "movq (%1, %3), %%mm2 \n\t"
686 PAVGB" 1(%1), %%mm0 \n\t"
687 PAVGB" 1(%1, %3), %%mm2 \n\t"
688 PAVGB" (%2), %%mm0 \n\t"
689 PAVGB" (%2, %3), %%mm2 \n\t"
690 "add %%"REG_a", %1 \n\t"
691 "movq %%mm0, (%2) \n\t"
692 "movq %%mm2, (%2, %3) \n\t"
693 "movq (%1), %%mm0 \n\t"
694 "movq (%1, %3), %%mm2 \n\t"
695 PAVGB" 1(%1), %%mm0 \n\t"
696 PAVGB" 1(%1, %3), %%mm2 \n\t"
697 "add %%"REG_a", %2 \n\t"
698 "add %%"REG_a", %1 \n\t"
699 PAVGB" (%2), %%mm0 \n\t"
700 PAVGB" (%2, %3), %%mm2 \n\t"
701 "movq %%mm0, (%2) \n\t"
702 "movq %%mm2, (%2, %3) \n\t"
703 "add %%"REG_a", %2 \n\t"
704 "subl $4, %0 \n\t"
705 "jnz 1b \n\t"
706 :"+g"(h), "+S"(pixels), "+D"(block)
707 :"r" ((long)line_size)
708 :"%"REG_a, "memory");
709}
710
711static void DEF(avg_pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
712{
713 __asm __volatile(
714 "lea (%3, %3), %%"REG_a" \n\t"
715 "movq (%1), %%mm0 \n\t"
716 "sub %3, %2 \n\t"
717 "1: \n\t"
718 "movq (%1, %3), %%mm1 \n\t"
719 "movq (%1, %%"REG_a"), %%mm2 \n\t"
720 "add %%"REG_a", %1 \n\t"
721 PAVGB" %%mm1, %%mm0 \n\t"
722 PAVGB" %%mm2, %%mm1 \n\t"
723 "movq (%2, %3), %%mm3 \n\t"
724 "movq (%2, %%"REG_a"), %%mm4 \n\t"
725 PAVGB" %%mm3, %%mm0 \n\t"
726 PAVGB" %%mm4, %%mm1 \n\t"
727 "movq %%mm0, (%2, %3) \n\t"
728 "movq %%mm1, (%2, %%"REG_a") \n\t"
729 "movq (%1, %3), %%mm1 \n\t"
730 "movq (%1, %%"REG_a"), %%mm0 \n\t"
731 PAVGB" %%mm1, %%mm2 \n\t"
732 PAVGB" %%mm0, %%mm1 \n\t"
733 "add %%"REG_a", %2 \n\t"
734 "add %%"REG_a", %1 \n\t"
735 "movq (%2, %3), %%mm3 \n\t"
736 "movq (%2, %%"REG_a"), %%mm4 \n\t"
737 PAVGB" %%mm3, %%mm2 \n\t"
738 PAVGB" %%mm4, %%mm1 \n\t"
739 "movq %%mm2, (%2, %3) \n\t"
740 "movq %%mm1, (%2, %%"REG_a") \n\t"
741 "add %%"REG_a", %2 \n\t"
742 "subl $4, %0 \n\t"
743 "jnz 1b \n\t"
744 :"+g"(h), "+S"(pixels), "+D"(block)
745 :"r" ((long)line_size)
746 :"%"REG_a, "memory");
747}
748
749// Note this is not correctly rounded, but this function is only used for b frames so it doesnt matter
750static void DEF(avg_pixels8_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
751{
752 MOVQ_BONE(mm6);
753 __asm __volatile(
754 "lea (%3, %3), %%"REG_a" \n\t"
755 "movq (%1), %%mm0 \n\t"
756 PAVGB" 1(%1), %%mm0 \n\t"
757#if !defined(VBOX) || !defined(__DARWIN__)
758 ".balign 8 \n\t"
759#else
760 ".align 3 \n\t"
761#endif
762 "1: \n\t"
763 "movq (%1, %%"REG_a"), %%mm2 \n\t"
764 "movq (%1, %3), %%mm1 \n\t"
765 "psubusb %%mm6, %%mm2 \n\t"
766 PAVGB" 1(%1, %3), %%mm1 \n\t"
767 PAVGB" 1(%1, %%"REG_a"), %%mm2 \n\t"
768 "add %%"REG_a", %1 \n\t"
769 PAVGB" %%mm1, %%mm0 \n\t"
770 PAVGB" %%mm2, %%mm1 \n\t"
771 PAVGB" (%2), %%mm0 \n\t"
772 PAVGB" (%2, %3), %%mm1 \n\t"
773 "movq %%mm0, (%2) \n\t"
774 "movq %%mm1, (%2, %3) \n\t"
775 "movq (%1, %3), %%mm1 \n\t"
776 "movq (%1, %%"REG_a"), %%mm0 \n\t"
777 PAVGB" 1(%1, %3), %%mm1 \n\t"
778 PAVGB" 1(%1, %%"REG_a"), %%mm0 \n\t"
779 "add %%"REG_a", %2 \n\t"
780 "add %%"REG_a", %1 \n\t"
781 PAVGB" %%mm1, %%mm2 \n\t"
782 PAVGB" %%mm0, %%mm1 \n\t"
783 PAVGB" (%2), %%mm2 \n\t"
784 PAVGB" (%2, %3), %%mm1 \n\t"
785 "movq %%mm2, (%2) \n\t"
786 "movq %%mm1, (%2, %3) \n\t"
787 "add %%"REG_a", %2 \n\t"
788 "subl $4, %0 \n\t"
789 "jnz 1b \n\t"
790 :"+g"(h), "+S"(pixels), "+D"(block)
791 :"r" ((long)line_size)
792 :"%"REG_a, "memory");
793}
794
795//FIXME the following could be optimized too ...
796static void DEF(put_no_rnd_pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
797 DEF(put_no_rnd_pixels8_x2)(block , pixels , line_size, h);
798 DEF(put_no_rnd_pixels8_x2)(block+8, pixels+8, line_size, h);
799}
800static void DEF(put_pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
801 DEF(put_pixels8_y2)(block , pixels , line_size, h);
802 DEF(put_pixels8_y2)(block+8, pixels+8, line_size, h);
803}
804static void DEF(put_no_rnd_pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
805 DEF(put_no_rnd_pixels8_y2)(block , pixels , line_size, h);
806 DEF(put_no_rnd_pixels8_y2)(block+8, pixels+8, line_size, h);
807}
808static void DEF(avg_pixels16)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
809 DEF(avg_pixels8)(block , pixels , line_size, h);
810 DEF(avg_pixels8)(block+8, pixels+8, line_size, h);
811}
812static void DEF(avg_pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
813 DEF(avg_pixels8_x2)(block , pixels , line_size, h);
814 DEF(avg_pixels8_x2)(block+8, pixels+8, line_size, h);
815}
816static void DEF(avg_pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
817 DEF(avg_pixels8_y2)(block , pixels , line_size, h);
818 DEF(avg_pixels8_y2)(block+8, pixels+8, line_size, h);
819}
820static void DEF(avg_pixels16_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
821 DEF(avg_pixels8_xy2)(block , pixels , line_size, h);
822 DEF(avg_pixels8_xy2)(block+8, pixels+8, line_size, h);
823}
824
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