Do not misuse long as the size of a register in x86.
[libav.git] / libavcodec / i386 / dsputil_mmx_avg.h
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 * MMX optimization by Nick Kurshev <nickols_k@mail.ru>
7 * mostly rewritten by Michael Niedermayer <michaelni@gmx.at>
8 * and improved by Zdenek Kabelac <kabi@users.sf.net>
9 *
10 * This file is part of FFmpeg.
11 *
12 * FFmpeg is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU Lesser General Public
14 * License as published by the Free Software Foundation; either
15 * version 2.1 of the License, or (at your option) any later version.
16 *
17 * FFmpeg is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * Lesser General Public License for more details.
21 *
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with FFmpeg; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 */
26
27 /* This header intentionally has no multiple inclusion guards. It is meant to
28 * be included multiple times and generates different code depending on the
29 * value of certain #defines. */
30
31 /* XXX: we use explicit registers to avoid a gcc 2.95.2 register asm
32 clobber bug - now it will work with 2.95.2 and also with -fPIC
33 */
34 static void DEF(put_pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
35 {
36 asm volatile(
37 "lea (%3, %3), %%"REG_a" \n\t"
38 "1: \n\t"
39 "movq (%1), %%mm0 \n\t"
40 "movq (%1, %3), %%mm1 \n\t"
41 PAVGB" 1(%1), %%mm0 \n\t"
42 PAVGB" 1(%1, %3), %%mm1 \n\t"
43 "movq %%mm0, (%2) \n\t"
44 "movq %%mm1, (%2, %3) \n\t"
45 "add %%"REG_a", %1 \n\t"
46 "add %%"REG_a", %2 \n\t"
47 "movq (%1), %%mm0 \n\t"
48 "movq (%1, %3), %%mm1 \n\t"
49 PAVGB" 1(%1), %%mm0 \n\t"
50 PAVGB" 1(%1, %3), %%mm1 \n\t"
51 "add %%"REG_a", %1 \n\t"
52 "movq %%mm0, (%2) \n\t"
53 "movq %%mm1, (%2, %3) \n\t"
54 "add %%"REG_a", %2 \n\t"
55 "subl $4, %0 \n\t"
56 "jnz 1b \n\t"
57 :"+g"(h), "+S"(pixels), "+D"(block)
58 :"r" ((x86_reg)line_size)
59 :"%"REG_a, "memory");
60 }
61
62 static void DEF(put_pixels4_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
63 {
64 asm volatile(
65 "testl $1, %0 \n\t"
66 " jz 1f \n\t"
67 "movd (%1), %%mm0 \n\t"
68 "movd (%2), %%mm1 \n\t"
69 "add %4, %1 \n\t"
70 "add $4, %2 \n\t"
71 PAVGB" %%mm1, %%mm0 \n\t"
72 "movd %%mm0, (%3) \n\t"
73 "add %5, %3 \n\t"
74 "decl %0 \n\t"
75 "1: \n\t"
76 "movd (%1), %%mm0 \n\t"
77 "add %4, %1 \n\t"
78 "movd (%1), %%mm1 \n\t"
79 "movd (%2), %%mm2 \n\t"
80 "movd 4(%2), %%mm3 \n\t"
81 "add %4, %1 \n\t"
82 PAVGB" %%mm2, %%mm0 \n\t"
83 PAVGB" %%mm3, %%mm1 \n\t"
84 "movd %%mm0, (%3) \n\t"
85 "add %5, %3 \n\t"
86 "movd %%mm1, (%3) \n\t"
87 "add %5, %3 \n\t"
88 "movd (%1), %%mm0 \n\t"
89 "add %4, %1 \n\t"
90 "movd (%1), %%mm1 \n\t"
91 "movd 8(%2), %%mm2 \n\t"
92 "movd 12(%2), %%mm3 \n\t"
93 "add %4, %1 \n\t"
94 PAVGB" %%mm2, %%mm0 \n\t"
95 PAVGB" %%mm3, %%mm1 \n\t"
96 "movd %%mm0, (%3) \n\t"
97 "add %5, %3 \n\t"
98 "movd %%mm1, (%3) \n\t"
99 "add %5, %3 \n\t"
100 "add $16, %2 \n\t"
101 "subl $4, %0 \n\t"
102 "jnz 1b \n\t"
103 #ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
104 :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
105 #else
106 :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
107 #endif
108 :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
109 :"memory");
110 }
111
112
113 static void DEF(put_pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
114 {
115 asm volatile(
116 "testl $1, %0 \n\t"
117 " jz 1f \n\t"
118 "movq (%1), %%mm0 \n\t"
119 "movq (%2), %%mm1 \n\t"
120 "add %4, %1 \n\t"
121 "add $8, %2 \n\t"
122 PAVGB" %%mm1, %%mm0 \n\t"
123 "movq %%mm0, (%3) \n\t"
124 "add %5, %3 \n\t"
125 "decl %0 \n\t"
126 "1: \n\t"
127 "movq (%1), %%mm0 \n\t"
128 "add %4, %1 \n\t"
129 "movq (%1), %%mm1 \n\t"
130 "add %4, %1 \n\t"
131 PAVGB" (%2), %%mm0 \n\t"
132 PAVGB" 8(%2), %%mm1 \n\t"
133 "movq %%mm0, (%3) \n\t"
134 "add %5, %3 \n\t"
135 "movq %%mm1, (%3) \n\t"
136 "add %5, %3 \n\t"
137 "movq (%1), %%mm0 \n\t"
138 "add %4, %1 \n\t"
139 "movq (%1), %%mm1 \n\t"
140 "add %4, %1 \n\t"
141 PAVGB" 16(%2), %%mm0 \n\t"
142 PAVGB" 24(%2), %%mm1 \n\t"
143 "movq %%mm0, (%3) \n\t"
144 "add %5, %3 \n\t"
145 "movq %%mm1, (%3) \n\t"
146 "add %5, %3 \n\t"
147 "add $32, %2 \n\t"
148 "subl $4, %0 \n\t"
149 "jnz 1b \n\t"
150 #ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
151 :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
152 #else
153 :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
154 #endif
155 :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
156 :"memory");
157 //the following should be used, though better not with gcc ...
158 /* :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
159 :"r"(src1Stride), "r"(dstStride)
160 :"memory");*/
161 }
162
163 static void DEF(put_no_rnd_pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
164 {
165 asm volatile(
166 "pcmpeqb %%mm6, %%mm6 \n\t"
167 "testl $1, %0 \n\t"
168 " jz 1f \n\t"
169 "movq (%1), %%mm0 \n\t"
170 "movq (%2), %%mm1 \n\t"
171 "add %4, %1 \n\t"
172 "add $8, %2 \n\t"
173 "pxor %%mm6, %%mm0 \n\t"
174 "pxor %%mm6, %%mm1 \n\t"
175 PAVGB" %%mm1, %%mm0 \n\t"
176 "pxor %%mm6, %%mm0 \n\t"
177 "movq %%mm0, (%3) \n\t"
178 "add %5, %3 \n\t"
179 "decl %0 \n\t"
180 "1: \n\t"
181 "movq (%1), %%mm0 \n\t"
182 "add %4, %1 \n\t"
183 "movq (%1), %%mm1 \n\t"
184 "add %4, %1 \n\t"
185 "movq (%2), %%mm2 \n\t"
186 "movq 8(%2), %%mm3 \n\t"
187 "pxor %%mm6, %%mm0 \n\t"
188 "pxor %%mm6, %%mm1 \n\t"
189 "pxor %%mm6, %%mm2 \n\t"
190 "pxor %%mm6, %%mm3 \n\t"
191 PAVGB" %%mm2, %%mm0 \n\t"
192 PAVGB" %%mm3, %%mm1 \n\t"
193 "pxor %%mm6, %%mm0 \n\t"
194 "pxor %%mm6, %%mm1 \n\t"
195 "movq %%mm0, (%3) \n\t"
196 "add %5, %3 \n\t"
197 "movq %%mm1, (%3) \n\t"
198 "add %5, %3 \n\t"
199 "movq (%1), %%mm0 \n\t"
200 "add %4, %1 \n\t"
201 "movq (%1), %%mm1 \n\t"
202 "add %4, %1 \n\t"
203 "movq 16(%2), %%mm2 \n\t"
204 "movq 24(%2), %%mm3 \n\t"
205 "pxor %%mm6, %%mm0 \n\t"
206 "pxor %%mm6, %%mm1 \n\t"
207 "pxor %%mm6, %%mm2 \n\t"
208 "pxor %%mm6, %%mm3 \n\t"
209 PAVGB" %%mm2, %%mm0 \n\t"
210 PAVGB" %%mm3, %%mm1 \n\t"
211 "pxor %%mm6, %%mm0 \n\t"
212 "pxor %%mm6, %%mm1 \n\t"
213 "movq %%mm0, (%3) \n\t"
214 "add %5, %3 \n\t"
215 "movq %%mm1, (%3) \n\t"
216 "add %5, %3 \n\t"
217 "add $32, %2 \n\t"
218 "subl $4, %0 \n\t"
219 "jnz 1b \n\t"
220 #ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
221 :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
222 #else
223 :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
224 #endif
225 :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
226 :"memory");
227 //the following should be used, though better not with gcc ...
228 /* :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
229 :"r"(src1Stride), "r"(dstStride)
230 :"memory");*/
231 }
232
233 static void DEF(avg_pixels4_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
234 {
235 asm volatile(
236 "testl $1, %0 \n\t"
237 " jz 1f \n\t"
238 "movd (%1), %%mm0 \n\t"
239 "movd (%2), %%mm1 \n\t"
240 "add %4, %1 \n\t"
241 "add $4, %2 \n\t"
242 PAVGB" %%mm1, %%mm0 \n\t"
243 PAVGB" (%3), %%mm0 \n\t"
244 "movd %%mm0, (%3) \n\t"
245 "add %5, %3 \n\t"
246 "decl %0 \n\t"
247 "1: \n\t"
248 "movd (%1), %%mm0 \n\t"
249 "add %4, %1 \n\t"
250 "movd (%1), %%mm1 \n\t"
251 "add %4, %1 \n\t"
252 PAVGB" (%2), %%mm0 \n\t"
253 PAVGB" 4(%2), %%mm1 \n\t"
254 PAVGB" (%3), %%mm0 \n\t"
255 "movd %%mm0, (%3) \n\t"
256 "add %5, %3 \n\t"
257 PAVGB" (%3), %%mm1 \n\t"
258 "movd %%mm1, (%3) \n\t"
259 "add %5, %3 \n\t"
260 "movd (%1), %%mm0 \n\t"
261 "add %4, %1 \n\t"
262 "movd (%1), %%mm1 \n\t"
263 "add %4, %1 \n\t"
264 PAVGB" 8(%2), %%mm0 \n\t"
265 PAVGB" 12(%2), %%mm1 \n\t"
266 PAVGB" (%3), %%mm0 \n\t"
267 "movd %%mm0, (%3) \n\t"
268 "add %5, %3 \n\t"
269 PAVGB" (%3), %%mm1 \n\t"
270 "movd %%mm1, (%3) \n\t"
271 "add %5, %3 \n\t"
272 "add $16, %2 \n\t"
273 "subl $4, %0 \n\t"
274 "jnz 1b \n\t"
275 #ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
276 :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
277 #else
278 :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
279 #endif
280 :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
281 :"memory");
282 }
283
284
285 static void DEF(avg_pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
286 {
287 asm volatile(
288 "testl $1, %0 \n\t"
289 " jz 1f \n\t"
290 "movq (%1), %%mm0 \n\t"
291 "movq (%2), %%mm1 \n\t"
292 "add %4, %1 \n\t"
293 "add $8, %2 \n\t"
294 PAVGB" %%mm1, %%mm0 \n\t"
295 PAVGB" (%3), %%mm0 \n\t"
296 "movq %%mm0, (%3) \n\t"
297 "add %5, %3 \n\t"
298 "decl %0 \n\t"
299 "1: \n\t"
300 "movq (%1), %%mm0 \n\t"
301 "add %4, %1 \n\t"
302 "movq (%1), %%mm1 \n\t"
303 "add %4, %1 \n\t"
304 PAVGB" (%2), %%mm0 \n\t"
305 PAVGB" 8(%2), %%mm1 \n\t"
306 PAVGB" (%3), %%mm0 \n\t"
307 "movq %%mm0, (%3) \n\t"
308 "add %5, %3 \n\t"
309 PAVGB" (%3), %%mm1 \n\t"
310 "movq %%mm1, (%3) \n\t"
311 "add %5, %3 \n\t"
312 "movq (%1), %%mm0 \n\t"
313 "add %4, %1 \n\t"
314 "movq (%1), %%mm1 \n\t"
315 "add %4, %1 \n\t"
316 PAVGB" 16(%2), %%mm0 \n\t"
317 PAVGB" 24(%2), %%mm1 \n\t"
318 PAVGB" (%3), %%mm0 \n\t"
319 "movq %%mm0, (%3) \n\t"
320 "add %5, %3 \n\t"
321 PAVGB" (%3), %%mm1 \n\t"
322 "movq %%mm1, (%3) \n\t"
323 "add %5, %3 \n\t"
324 "add $32, %2 \n\t"
325 "subl $4, %0 \n\t"
326 "jnz 1b \n\t"
327 #ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
328 :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
329 #else
330 :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
331 #endif
332 :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
333 :"memory");
334 //the following should be used, though better not with gcc ...
335 /* :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
336 :"r"(src1Stride), "r"(dstStride)
337 :"memory");*/
338 }
339
340 static void DEF(put_pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
341 {
342 asm volatile(
343 "lea (%3, %3), %%"REG_a" \n\t"
344 "1: \n\t"
345 "movq (%1), %%mm0 \n\t"
346 "movq (%1, %3), %%mm1 \n\t"
347 "movq 8(%1), %%mm2 \n\t"
348 "movq 8(%1, %3), %%mm3 \n\t"
349 PAVGB" 1(%1), %%mm0 \n\t"
350 PAVGB" 1(%1, %3), %%mm1 \n\t"
351 PAVGB" 9(%1), %%mm2 \n\t"
352 PAVGB" 9(%1, %3), %%mm3 \n\t"
353 "movq %%mm0, (%2) \n\t"
354 "movq %%mm1, (%2, %3) \n\t"
355 "movq %%mm2, 8(%2) \n\t"
356 "movq %%mm3, 8(%2, %3) \n\t"
357 "add %%"REG_a", %1 \n\t"
358 "add %%"REG_a", %2 \n\t"
359 "movq (%1), %%mm0 \n\t"
360 "movq (%1, %3), %%mm1 \n\t"
361 "movq 8(%1), %%mm2 \n\t"
362 "movq 8(%1, %3), %%mm3 \n\t"
363 PAVGB" 1(%1), %%mm0 \n\t"
364 PAVGB" 1(%1, %3), %%mm1 \n\t"
365 PAVGB" 9(%1), %%mm2 \n\t"
366 PAVGB" 9(%1, %3), %%mm3 \n\t"
367 "add %%"REG_a", %1 \n\t"
368 "movq %%mm0, (%2) \n\t"
369 "movq %%mm1, (%2, %3) \n\t"
370 "movq %%mm2, 8(%2) \n\t"
371 "movq %%mm3, 8(%2, %3) \n\t"
372 "add %%"REG_a", %2 \n\t"
373 "subl $4, %0 \n\t"
374 "jnz 1b \n\t"
375 :"+g"(h), "+S"(pixels), "+D"(block)
376 :"r" ((x86_reg)line_size)
377 :"%"REG_a, "memory");
378 }
379
380 static void DEF(put_pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
381 {
382 asm volatile(
383 "testl $1, %0 \n\t"
384 " jz 1f \n\t"
385 "movq (%1), %%mm0 \n\t"
386 "movq 8(%1), %%mm1 \n\t"
387 PAVGB" (%2), %%mm0 \n\t"
388 PAVGB" 8(%2), %%mm1 \n\t"
389 "add %4, %1 \n\t"
390 "add $16, %2 \n\t"
391 "movq %%mm0, (%3) \n\t"
392 "movq %%mm1, 8(%3) \n\t"
393 "add %5, %3 \n\t"
394 "decl %0 \n\t"
395 "1: \n\t"
396 "movq (%1), %%mm0 \n\t"
397 "movq 8(%1), %%mm1 \n\t"
398 "add %4, %1 \n\t"
399 PAVGB" (%2), %%mm0 \n\t"
400 PAVGB" 8(%2), %%mm1 \n\t"
401 "movq %%mm0, (%3) \n\t"
402 "movq %%mm1, 8(%3) \n\t"
403 "add %5, %3 \n\t"
404 "movq (%1), %%mm0 \n\t"
405 "movq 8(%1), %%mm1 \n\t"
406 "add %4, %1 \n\t"
407 PAVGB" 16(%2), %%mm0 \n\t"
408 PAVGB" 24(%2), %%mm1 \n\t"
409 "movq %%mm0, (%3) \n\t"
410 "movq %%mm1, 8(%3) \n\t"
411 "add %5, %3 \n\t"
412 "add $32, %2 \n\t"
413 "subl $2, %0 \n\t"
414 "jnz 1b \n\t"
415 #ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
416 :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
417 #else
418 :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
419 #endif
420 :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
421 :"memory");
422 //the following should be used, though better not with gcc ...
423 /* :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
424 :"r"(src1Stride), "r"(dstStride)
425 :"memory");*/
426 }
427
428 static void DEF(avg_pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
429 {
430 asm volatile(
431 "testl $1, %0 \n\t"
432 " jz 1f \n\t"
433 "movq (%1), %%mm0 \n\t"
434 "movq 8(%1), %%mm1 \n\t"
435 PAVGB" (%2), %%mm0 \n\t"
436 PAVGB" 8(%2), %%mm1 \n\t"
437 "add %4, %1 \n\t"
438 "add $16, %2 \n\t"
439 PAVGB" (%3), %%mm0 \n\t"
440 PAVGB" 8(%3), %%mm1 \n\t"
441 "movq %%mm0, (%3) \n\t"
442 "movq %%mm1, 8(%3) \n\t"
443 "add %5, %3 \n\t"
444 "decl %0 \n\t"
445 "1: \n\t"
446 "movq (%1), %%mm0 \n\t"
447 "movq 8(%1), %%mm1 \n\t"
448 "add %4, %1 \n\t"
449 PAVGB" (%2), %%mm0 \n\t"
450 PAVGB" 8(%2), %%mm1 \n\t"
451 PAVGB" (%3), %%mm0 \n\t"
452 PAVGB" 8(%3), %%mm1 \n\t"
453 "movq %%mm0, (%3) \n\t"
454 "movq %%mm1, 8(%3) \n\t"
455 "add %5, %3 \n\t"
456 "movq (%1), %%mm0 \n\t"
457 "movq 8(%1), %%mm1 \n\t"
458 "add %4, %1 \n\t"
459 PAVGB" 16(%2), %%mm0 \n\t"
460 PAVGB" 24(%2), %%mm1 \n\t"
461 PAVGB" (%3), %%mm0 \n\t"
462 PAVGB" 8(%3), %%mm1 \n\t"
463 "movq %%mm0, (%3) \n\t"
464 "movq %%mm1, 8(%3) \n\t"
465 "add %5, %3 \n\t"
466 "add $32, %2 \n\t"
467 "subl $2, %0 \n\t"
468 "jnz 1b \n\t"
469 #ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
470 :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
471 #else
472 :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
473 #endif
474 :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
475 :"memory");
476 //the following should be used, though better not with gcc ...
477 /* :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
478 :"r"(src1Stride), "r"(dstStride)
479 :"memory");*/
480 }
481
482 static void DEF(put_no_rnd_pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
483 {
484 asm volatile(
485 "pcmpeqb %%mm6, %%mm6 \n\t"
486 "testl $1, %0 \n\t"
487 " jz 1f \n\t"
488 "movq (%1), %%mm0 \n\t"
489 "movq 8(%1), %%mm1 \n\t"
490 "movq (%2), %%mm2 \n\t"
491 "movq 8(%2), %%mm3 \n\t"
492 "pxor %%mm6, %%mm0 \n\t"
493 "pxor %%mm6, %%mm1 \n\t"
494 "pxor %%mm6, %%mm2 \n\t"
495 "pxor %%mm6, %%mm3 \n\t"
496 PAVGB" %%mm2, %%mm0 \n\t"
497 PAVGB" %%mm3, %%mm1 \n\t"
498 "pxor %%mm6, %%mm0 \n\t"
499 "pxor %%mm6, %%mm1 \n\t"
500 "add %4, %1 \n\t"
501 "add $16, %2 \n\t"
502 "movq %%mm0, (%3) \n\t"
503 "movq %%mm1, 8(%3) \n\t"
504 "add %5, %3 \n\t"
505 "decl %0 \n\t"
506 "1: \n\t"
507 "movq (%1), %%mm0 \n\t"
508 "movq 8(%1), %%mm1 \n\t"
509 "add %4, %1 \n\t"
510 "movq (%2), %%mm2 \n\t"
511 "movq 8(%2), %%mm3 \n\t"
512 "pxor %%mm6, %%mm0 \n\t"
513 "pxor %%mm6, %%mm1 \n\t"
514 "pxor %%mm6, %%mm2 \n\t"
515 "pxor %%mm6, %%mm3 \n\t"
516 PAVGB" %%mm2, %%mm0 \n\t"
517 PAVGB" %%mm3, %%mm1 \n\t"
518 "pxor %%mm6, %%mm0 \n\t"
519 "pxor %%mm6, %%mm1 \n\t"
520 "movq %%mm0, (%3) \n\t"
521 "movq %%mm1, 8(%3) \n\t"
522 "add %5, %3 \n\t"
523 "movq (%1), %%mm0 \n\t"
524 "movq 8(%1), %%mm1 \n\t"
525 "add %4, %1 \n\t"
526 "movq 16(%2), %%mm2 \n\t"
527 "movq 24(%2), %%mm3 \n\t"
528 "pxor %%mm6, %%mm0 \n\t"
529 "pxor %%mm6, %%mm1 \n\t"
530 "pxor %%mm6, %%mm2 \n\t"
531 "pxor %%mm6, %%mm3 \n\t"
532 PAVGB" %%mm2, %%mm0 \n\t"
533 PAVGB" %%mm3, %%mm1 \n\t"
534 "pxor %%mm6, %%mm0 \n\t"
535 "pxor %%mm6, %%mm1 \n\t"
536 "movq %%mm0, (%3) \n\t"
537 "movq %%mm1, 8(%3) \n\t"
538 "add %5, %3 \n\t"
539 "add $32, %2 \n\t"
540 "subl $2, %0 \n\t"
541 "jnz 1b \n\t"
542 #ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
543 :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
544 #else
545 :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
546 #endif
547 :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
548 :"memory");
549 //the following should be used, though better not with gcc ...
550 /* :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
551 :"r"(src1Stride), "r"(dstStride)
552 :"memory");*/
553 }
554
555 /* GL: this function does incorrect rounding if overflow */
556 static void DEF(put_no_rnd_pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
557 {
558 MOVQ_BONE(mm6);
559 asm volatile(
560 "lea (%3, %3), %%"REG_a" \n\t"
561 "1: \n\t"
562 "movq (%1), %%mm0 \n\t"
563 "movq (%1, %3), %%mm2 \n\t"
564 "movq 1(%1), %%mm1 \n\t"
565 "movq 1(%1, %3), %%mm3 \n\t"
566 "add %%"REG_a", %1 \n\t"
567 "psubusb %%mm6, %%mm0 \n\t"
568 "psubusb %%mm6, %%mm2 \n\t"
569 PAVGB" %%mm1, %%mm0 \n\t"
570 PAVGB" %%mm3, %%mm2 \n\t"
571 "movq %%mm0, (%2) \n\t"
572 "movq %%mm2, (%2, %3) \n\t"
573 "movq (%1), %%mm0 \n\t"
574 "movq 1(%1), %%mm1 \n\t"
575 "movq (%1, %3), %%mm2 \n\t"
576 "movq 1(%1, %3), %%mm3 \n\t"
577 "add %%"REG_a", %2 \n\t"
578 "add %%"REG_a", %1 \n\t"
579 "psubusb %%mm6, %%mm0 \n\t"
580 "psubusb %%mm6, %%mm2 \n\t"
581 PAVGB" %%mm1, %%mm0 \n\t"
582 PAVGB" %%mm3, %%mm2 \n\t"
583 "movq %%mm0, (%2) \n\t"
584 "movq %%mm2, (%2, %3) \n\t"
585 "add %%"REG_a", %2 \n\t"
586 "subl $4, %0 \n\t"
587 "jnz 1b \n\t"
588 :"+g"(h), "+S"(pixels), "+D"(block)
589 :"r" ((x86_reg)line_size)
590 :"%"REG_a, "memory");
591 }
592
593 static void DEF(put_pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
594 {
595 asm volatile(
596 "lea (%3, %3), %%"REG_a" \n\t"
597 "movq (%1), %%mm0 \n\t"
598 "sub %3, %2 \n\t"
599 "1: \n\t"
600 "movq (%1, %3), %%mm1 \n\t"
601 "movq (%1, %%"REG_a"), %%mm2 \n\t"
602 "add %%"REG_a", %1 \n\t"
603 PAVGB" %%mm1, %%mm0 \n\t"
604 PAVGB" %%mm2, %%mm1 \n\t"
605 "movq %%mm0, (%2, %3) \n\t"
606 "movq %%mm1, (%2, %%"REG_a") \n\t"
607 "movq (%1, %3), %%mm1 \n\t"
608 "movq (%1, %%"REG_a"), %%mm0 \n\t"
609 "add %%"REG_a", %2 \n\t"
610 "add %%"REG_a", %1 \n\t"
611 PAVGB" %%mm1, %%mm2 \n\t"
612 PAVGB" %%mm0, %%mm1 \n\t"
613 "movq %%mm2, (%2, %3) \n\t"
614 "movq %%mm1, (%2, %%"REG_a") \n\t"
615 "add %%"REG_a", %2 \n\t"
616 "subl $4, %0 \n\t"
617 "jnz 1b \n\t"
618 :"+g"(h), "+S"(pixels), "+D" (block)
619 :"r" ((x86_reg)line_size)
620 :"%"REG_a, "memory");
621 }
622
623 /* GL: this function does incorrect rounding if overflow */
624 static void DEF(put_no_rnd_pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
625 {
626 MOVQ_BONE(mm6);
627 asm volatile(
628 "lea (%3, %3), %%"REG_a" \n\t"
629 "movq (%1), %%mm0 \n\t"
630 "sub %3, %2 \n\t"
631 "1: \n\t"
632 "movq (%1, %3), %%mm1 \n\t"
633 "movq (%1, %%"REG_a"), %%mm2 \n\t"
634 "add %%"REG_a", %1 \n\t"
635 "psubusb %%mm6, %%mm1 \n\t"
636 PAVGB" %%mm1, %%mm0 \n\t"
637 PAVGB" %%mm2, %%mm1 \n\t"
638 "movq %%mm0, (%2, %3) \n\t"
639 "movq %%mm1, (%2, %%"REG_a") \n\t"
640 "movq (%1, %3), %%mm1 \n\t"
641 "movq (%1, %%"REG_a"), %%mm0 \n\t"
642 "add %%"REG_a", %2 \n\t"
643 "add %%"REG_a", %1 \n\t"
644 "psubusb %%mm6, %%mm1 \n\t"
645 PAVGB" %%mm1, %%mm2 \n\t"
646 PAVGB" %%mm0, %%mm1 \n\t"
647 "movq %%mm2, (%2, %3) \n\t"
648 "movq %%mm1, (%2, %%"REG_a") \n\t"
649 "add %%"REG_a", %2 \n\t"
650 "subl $4, %0 \n\t"
651 "jnz 1b \n\t"
652 :"+g"(h), "+S"(pixels), "+D" (block)
653 :"r" ((x86_reg)line_size)
654 :"%"REG_a, "memory");
655 }
656
657 static void DEF(avg_pixels8)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
658 {
659 asm volatile(
660 "lea (%3, %3), %%"REG_a" \n\t"
661 "1: \n\t"
662 "movq (%2), %%mm0 \n\t"
663 "movq (%2, %3), %%mm1 \n\t"
664 PAVGB" (%1), %%mm0 \n\t"
665 PAVGB" (%1, %3), %%mm1 \n\t"
666 "movq %%mm0, (%2) \n\t"
667 "movq %%mm1, (%2, %3) \n\t"
668 "add %%"REG_a", %1 \n\t"
669 "add %%"REG_a", %2 \n\t"
670 "movq (%2), %%mm0 \n\t"
671 "movq (%2, %3), %%mm1 \n\t"
672 PAVGB" (%1), %%mm0 \n\t"
673 PAVGB" (%1, %3), %%mm1 \n\t"
674 "add %%"REG_a", %1 \n\t"
675 "movq %%mm0, (%2) \n\t"
676 "movq %%mm1, (%2, %3) \n\t"
677 "add %%"REG_a", %2 \n\t"
678 "subl $4, %0 \n\t"
679 "jnz 1b \n\t"
680 :"+g"(h), "+S"(pixels), "+D"(block)
681 :"r" ((x86_reg)line_size)
682 :"%"REG_a, "memory");
683 }
684
685 static void DEF(avg_pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
686 {
687 asm volatile(
688 "lea (%3, %3), %%"REG_a" \n\t"
689 "1: \n\t"
690 "movq (%1), %%mm0 \n\t"
691 "movq (%1, %3), %%mm2 \n\t"
692 PAVGB" 1(%1), %%mm0 \n\t"
693 PAVGB" 1(%1, %3), %%mm2 \n\t"
694 PAVGB" (%2), %%mm0 \n\t"
695 PAVGB" (%2, %3), %%mm2 \n\t"
696 "add %%"REG_a", %1 \n\t"
697 "movq %%mm0, (%2) \n\t"
698 "movq %%mm2, (%2, %3) \n\t"
699 "movq (%1), %%mm0 \n\t"
700 "movq (%1, %3), %%mm2 \n\t"
701 PAVGB" 1(%1), %%mm0 \n\t"
702 PAVGB" 1(%1, %3), %%mm2 \n\t"
703 "add %%"REG_a", %2 \n\t"
704 "add %%"REG_a", %1 \n\t"
705 PAVGB" (%2), %%mm0 \n\t"
706 PAVGB" (%2, %3), %%mm2 \n\t"
707 "movq %%mm0, (%2) \n\t"
708 "movq %%mm2, (%2, %3) \n\t"
709 "add %%"REG_a", %2 \n\t"
710 "subl $4, %0 \n\t"
711 "jnz 1b \n\t"
712 :"+g"(h), "+S"(pixels), "+D"(block)
713 :"r" ((x86_reg)line_size)
714 :"%"REG_a, "memory");
715 }
716
717 static void DEF(avg_pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
718 {
719 asm volatile(
720 "lea (%3, %3), %%"REG_a" \n\t"
721 "movq (%1), %%mm0 \n\t"
722 "sub %3, %2 \n\t"
723 "1: \n\t"
724 "movq (%1, %3), %%mm1 \n\t"
725 "movq (%1, %%"REG_a"), %%mm2 \n\t"
726 "add %%"REG_a", %1 \n\t"
727 PAVGB" %%mm1, %%mm0 \n\t"
728 PAVGB" %%mm2, %%mm1 \n\t"
729 "movq (%2, %3), %%mm3 \n\t"
730 "movq (%2, %%"REG_a"), %%mm4 \n\t"
731 PAVGB" %%mm3, %%mm0 \n\t"
732 PAVGB" %%mm4, %%mm1 \n\t"
733 "movq %%mm0, (%2, %3) \n\t"
734 "movq %%mm1, (%2, %%"REG_a") \n\t"
735 "movq (%1, %3), %%mm1 \n\t"
736 "movq (%1, %%"REG_a"), %%mm0 \n\t"
737 PAVGB" %%mm1, %%mm2 \n\t"
738 PAVGB" %%mm0, %%mm1 \n\t"
739 "add %%"REG_a", %2 \n\t"
740 "add %%"REG_a", %1 \n\t"
741 "movq (%2, %3), %%mm3 \n\t"
742 "movq (%2, %%"REG_a"), %%mm4 \n\t"
743 PAVGB" %%mm3, %%mm2 \n\t"
744 PAVGB" %%mm4, %%mm1 \n\t"
745 "movq %%mm2, (%2, %3) \n\t"
746 "movq %%mm1, (%2, %%"REG_a") \n\t"
747 "add %%"REG_a", %2 \n\t"
748 "subl $4, %0 \n\t"
749 "jnz 1b \n\t"
750 :"+g"(h), "+S"(pixels), "+D"(block)
751 :"r" ((x86_reg)line_size)
752 :"%"REG_a, "memory");
753 }
754
755 /* Note this is not correctly rounded, but this function is only
756 * used for B-frames so it does not matter. */
757 static void DEF(avg_pixels8_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
758 {
759 MOVQ_BONE(mm6);
760 asm volatile(
761 "lea (%3, %3), %%"REG_a" \n\t"
762 "movq (%1), %%mm0 \n\t"
763 PAVGB" 1(%1), %%mm0 \n\t"
764 ASMALIGN(3)
765 "1: \n\t"
766 "movq (%1, %%"REG_a"), %%mm2 \n\t"
767 "movq (%1, %3), %%mm1 \n\t"
768 "psubusb %%mm6, %%mm2 \n\t"
769 PAVGB" 1(%1, %3), %%mm1 \n\t"
770 PAVGB" 1(%1, %%"REG_a"), %%mm2 \n\t"
771 "add %%"REG_a", %1 \n\t"
772 PAVGB" %%mm1, %%mm0 \n\t"
773 PAVGB" %%mm2, %%mm1 \n\t"
774 PAVGB" (%2), %%mm0 \n\t"
775 PAVGB" (%2, %3), %%mm1 \n\t"
776 "movq %%mm0, (%2) \n\t"
777 "movq %%mm1, (%2, %3) \n\t"
778 "movq (%1, %3), %%mm1 \n\t"
779 "movq (%1, %%"REG_a"), %%mm0 \n\t"
780 PAVGB" 1(%1, %3), %%mm1 \n\t"
781 PAVGB" 1(%1, %%"REG_a"), %%mm0 \n\t"
782 "add %%"REG_a", %2 \n\t"
783 "add %%"REG_a", %1 \n\t"
784 PAVGB" %%mm1, %%mm2 \n\t"
785 PAVGB" %%mm0, %%mm1 \n\t"
786 PAVGB" (%2), %%mm2 \n\t"
787 PAVGB" (%2, %3), %%mm1 \n\t"
788 "movq %%mm2, (%2) \n\t"
789 "movq %%mm1, (%2, %3) \n\t"
790 "add %%"REG_a", %2 \n\t"
791 "subl $4, %0 \n\t"
792 "jnz 1b \n\t"
793 :"+g"(h), "+S"(pixels), "+D"(block)
794 :"r" ((x86_reg)line_size)
795 :"%"REG_a, "memory");
796 }
797
798 static void DEF(avg_pixels4)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
799 {
800 do {
801 asm volatile(
802 "movd (%1), %%mm0 \n\t"
803 "movd (%1, %2), %%mm1 \n\t"
804 "movd (%1, %2, 2), %%mm2 \n\t"
805 "movd (%1, %3), %%mm3 \n\t"
806 PAVGB" (%0), %%mm0 \n\t"
807 PAVGB" (%0, %2), %%mm1 \n\t"
808 PAVGB" (%0, %2, 2), %%mm2 \n\t"
809 PAVGB" (%0, %3), %%mm3 \n\t"
810 "movd %%mm0, (%1) \n\t"
811 "movd %%mm1, (%1, %2) \n\t"
812 "movd %%mm2, (%1, %2, 2) \n\t"
813 "movd %%mm3, (%1, %3) \n\t"
814 ::"S"(pixels), "D"(block),
815 "r" ((x86_reg)line_size), "r"((x86_reg)3L*line_size)
816 :"memory");
817 block += 4*line_size;
818 pixels += 4*line_size;
819 h -= 4;
820 } while(h > 0);
821 }
822
823 //FIXME the following could be optimized too ...
824 static void DEF(put_no_rnd_pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
825 DEF(put_no_rnd_pixels8_x2)(block , pixels , line_size, h);
826 DEF(put_no_rnd_pixels8_x2)(block+8, pixels+8, line_size, h);
827 }
828 static void DEF(put_pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
829 DEF(put_pixels8_y2)(block , pixels , line_size, h);
830 DEF(put_pixels8_y2)(block+8, pixels+8, line_size, h);
831 }
832 static void DEF(put_no_rnd_pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
833 DEF(put_no_rnd_pixels8_y2)(block , pixels , line_size, h);
834 DEF(put_no_rnd_pixels8_y2)(block+8, pixels+8, line_size, h);
835 }
836 static void DEF(avg_pixels16)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
837 DEF(avg_pixels8)(block , pixels , line_size, h);
838 DEF(avg_pixels8)(block+8, pixels+8, line_size, h);
839 }
840 static void DEF(avg_pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
841 DEF(avg_pixels8_x2)(block , pixels , line_size, h);
842 DEF(avg_pixels8_x2)(block+8, pixels+8, line_size, h);
843 }
844 static void DEF(avg_pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
845 DEF(avg_pixels8_y2)(block , pixels , line_size, h);
846 DEF(avg_pixels8_y2)(block+8, pixels+8, line_size, h);
847 }
848 static void DEF(avg_pixels16_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
849 DEF(avg_pixels8_xy2)(block , pixels , line_size, h);
850 DEF(avg_pixels8_xy2)(block+8, pixels+8, line_size, h);
851 }
852
853 #define QPEL_2TAP_L3(OPNAME) \
854 static void DEF(OPNAME ## 2tap_qpel16_l3)(uint8_t *dst, uint8_t *src, int stride, int h, int off1, int off2){\
855 asm volatile(\
856 "1: \n\t"\
857 "movq (%1,%2), %%mm0 \n\t"\
858 "movq 8(%1,%2), %%mm1 \n\t"\
859 PAVGB" (%1,%3), %%mm0 \n\t"\
860 PAVGB" 8(%1,%3), %%mm1 \n\t"\
861 PAVGB" (%1), %%mm0 \n\t"\
862 PAVGB" 8(%1), %%mm1 \n\t"\
863 STORE_OP( (%1,%4),%%mm0)\
864 STORE_OP(8(%1,%4),%%mm1)\
865 "movq %%mm0, (%1,%4) \n\t"\
866 "movq %%mm1, 8(%1,%4) \n\t"\
867 "add %5, %1 \n\t"\
868 "decl %0 \n\t"\
869 "jnz 1b \n\t"\
870 :"+g"(h), "+r"(src)\
871 :"r"((x86_reg)off1), "r"((x86_reg)off2),\
872 "r"((x86_reg)(dst-src)), "r"((x86_reg)stride)\
873 :"memory"\
874 );\
875 }\
876 static void DEF(OPNAME ## 2tap_qpel8_l3)(uint8_t *dst, uint8_t *src, int stride, int h, int off1, int off2){\
877 asm volatile(\
878 "1: \n\t"\
879 "movq (%1,%2), %%mm0 \n\t"\
880 PAVGB" (%1,%3), %%mm0 \n\t"\
881 PAVGB" (%1), %%mm0 \n\t"\
882 STORE_OP((%1,%4),%%mm0)\
883 "movq %%mm0, (%1,%4) \n\t"\
884 "add %5, %1 \n\t"\
885 "decl %0 \n\t"\
886 "jnz 1b \n\t"\
887 :"+g"(h), "+r"(src)\
888 :"r"((x86_reg)off1), "r"((x86_reg)off2),\
889 "r"((x86_reg)(dst-src)), "r"((x86_reg)stride)\
890 :"memory"\
891 );\
892 }
893
894 #define STORE_OP(a,b) PAVGB" "#a","#b" \n\t"
895 QPEL_2TAP_L3(avg_)
896 #undef STORE_OP
897 #define STORE_OP(a,b)
898 QPEL_2TAP_L3(put_)
899 #undef STORE_OP
900 #undef QPEL_2TAP_L3