2
* DSP utils : average functions are compiled twice for 3dnow/mmx2
3
* Copyright (c) 2000, 2001 Fabrice Bellard.
4
* Copyright (c) 2002 Michael Niedermayer
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.
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.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20
* MMX optimization by Nick Kurshev <nickols_k@mail.ru>
21
* mostly rewritten by Michael Niedermayer <michaelni@gmx.at>
22
* and improved by Zdenek Kabelac <kabi@users.sf.net>
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
28
static void DEF(put_pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
31
"lea (%3, %3), %%eax \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"
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"
46
"movq %%mm0, (%2) \n\t"
47
"movq %%mm1, (%2, %3) \n\t"
51
:"+g"(h), "+S"(pixels), "+D"(block)
56
static void DEF(put_pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
60
"movq (%1), %%mm0 \n\t"
62
"movq (%1), %%mm1 \n\t"
64
PAVGB" (%2), %%mm0 \n\t"
65
PAVGB" 8(%2), %%mm1 \n\t"
66
"movq %%mm0, (%3) \n\t"
68
"movq %%mm1, (%3) \n\t"
70
"movq (%1), %%mm0 \n\t"
72
"movq (%1), %%mm1 \n\t"
74
PAVGB" 16(%2), %%mm0 \n\t"
75
PAVGB" 24(%2), %%mm1 \n\t"
76
"movq %%mm0, (%3) \n\t"
78
"movq %%mm1, (%3) \n\t"
83
:"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
84
:"r"(src1Stride), "r"(dstStride)
88
static void DEF(put_pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
91
"lea (%3, %3), %%eax \n\t"
93
"movq (%1), %%mm0 \n\t"
94
"movq (%1, %3), %%mm1 \n\t"
95
"movq 8(%1), %%mm2 \n\t"
96
"movq 8(%1, %3), %%mm3 \n\t"
97
PAVGB" 1(%1), %%mm0 \n\t"
98
PAVGB" 1(%1, %3), %%mm1 \n\t"
99
PAVGB" 9(%1), %%mm2 \n\t"
100
PAVGB" 9(%1, %3), %%mm3 \n\t"
101
"movq %%mm0, (%2) \n\t"
102
"movq %%mm1, (%2, %3) \n\t"
103
"movq %%mm2, 8(%2) \n\t"
104
"movq %%mm3, 8(%2, %3) \n\t"
105
"addl %%eax, %1 \n\t"
106
"addl %%eax, %2 \n\t"
107
"movq (%1), %%mm0 \n\t"
108
"movq (%1, %3), %%mm1 \n\t"
109
"movq 8(%1), %%mm2 \n\t"
110
"movq 8(%1, %3), %%mm3 \n\t"
111
PAVGB" 1(%1), %%mm0 \n\t"
112
PAVGB" 1(%1, %3), %%mm1 \n\t"
113
PAVGB" 9(%1), %%mm2 \n\t"
114
PAVGB" 9(%1, %3), %%mm3 \n\t"
115
"addl %%eax, %1 \n\t"
116
"movq %%mm0, (%2) \n\t"
117
"movq %%mm1, (%2, %3) \n\t"
118
"movq %%mm2, 8(%2) \n\t"
119
"movq %%mm3, 8(%2, %3) \n\t"
120
"addl %%eax, %2 \n\t"
123
:"+g"(h), "+S"(pixels), "+D"(block)
128
static void DEF(put_pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
132
"movq (%1), %%mm0 \n\t"
133
"movq 8(%1), %%mm1 \n\t"
135
PAVGB" (%2), %%mm0 \n\t"
136
PAVGB" 8(%2), %%mm1 \n\t"
137
"movq %%mm0, (%3) \n\t"
138
"movq %%mm1, 8(%3) \n\t"
140
"movq (%1), %%mm0 \n\t"
141
"movq 8(%1), %%mm1 \n\t"
143
PAVGB" 16(%2), %%mm0 \n\t"
144
PAVGB" 24(%2), %%mm1 \n\t"
145
"movq %%mm0, (%3) \n\t"
146
"movq %%mm1, 8(%3) \n\t"
151
:"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
152
:"r"(src1Stride), "r"(dstStride)
156
/* GL: this function does incorrect rounding if overflow */
157
static void DEF(put_no_rnd_pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
161
"lea (%3, %3), %%eax \n\t"
163
"movq (%1), %%mm0 \n\t"
164
"movq (%1, %3), %%mm2 \n\t"
165
"movq 1(%1), %%mm1 \n\t"
166
"movq 1(%1, %3), %%mm3 \n\t"
167
"addl %%eax, %1 \n\t"
168
"psubusb %%mm6, %%mm0 \n\t"
169
"psubusb %%mm6, %%mm2 \n\t"
170
PAVGB" %%mm1, %%mm0 \n\t"
171
PAVGB" %%mm3, %%mm2 \n\t"
172
"movq %%mm0, (%2) \n\t"
173
"movq %%mm2, (%2, %3) \n\t"
174
"movq (%1), %%mm0 \n\t"
175
"movq 1(%1), %%mm1 \n\t"
176
"movq (%1, %3), %%mm2 \n\t"
177
"movq 1(%1, %3), %%mm3 \n\t"
178
"addl %%eax, %2 \n\t"
179
"addl %%eax, %1 \n\t"
180
"psubusb %%mm6, %%mm0 \n\t"
181
"psubusb %%mm6, %%mm2 \n\t"
182
PAVGB" %%mm1, %%mm0 \n\t"
183
PAVGB" %%mm3, %%mm2 \n\t"
184
"movq %%mm0, (%2) \n\t"
185
"movq %%mm2, (%2, %3) \n\t"
186
"addl %%eax, %2 \n\t"
189
:"+g"(h), "+S"(pixels), "+D"(block)
194
static void DEF(put_pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
197
"lea (%3, %3), %%eax \n\t"
198
"movq (%1), %%mm0 \n\t"
201
"movq (%1, %3), %%mm1 \n\t"
202
"movq (%1, %%eax), %%mm2 \n\t"
203
"addl %%eax, %1 \n\t"
204
PAVGB" %%mm1, %%mm0 \n\t"
205
PAVGB" %%mm2, %%mm1 \n\t"
206
"movq %%mm0, (%2, %3) \n\t"
207
"movq %%mm1, (%2, %%eax) \n\t"
208
"movq (%1, %3), %%mm1 \n\t"
209
"movq (%1, %%eax), %%mm0 \n\t"
210
"addl %%eax, %2 \n\t"
211
"addl %%eax, %1 \n\t"
212
PAVGB" %%mm1, %%mm2 \n\t"
213
PAVGB" %%mm0, %%mm1 \n\t"
214
"movq %%mm2, (%2, %3) \n\t"
215
"movq %%mm1, (%2, %%eax) \n\t"
216
"addl %%eax, %2 \n\t"
219
:"+g"(h), "+S"(pixels), "+D" (block)
224
/* GL: this function does incorrect rounding if overflow */
225
static void DEF(put_no_rnd_pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
229
"lea (%3, %3), %%eax \n\t"
230
"movq (%1), %%mm0 \n\t"
233
"movq (%1, %3), %%mm1 \n\t"
234
"movq (%1, %%eax), %%mm2 \n\t"
235
"addl %%eax, %1 \n\t"
236
"psubusb %%mm6, %%mm1 \n\t"
237
PAVGB" %%mm1, %%mm0 \n\t"
238
PAVGB" %%mm2, %%mm1 \n\t"
239
"movq %%mm0, (%2, %3) \n\t"
240
"movq %%mm1, (%2, %%eax) \n\t"
241
"movq (%1, %3), %%mm1 \n\t"
242
"movq (%1, %%eax), %%mm0 \n\t"
243
"addl %%eax, %2 \n\t"
244
"addl %%eax, %1 \n\t"
245
"psubusb %%mm6, %%mm1 \n\t"
246
PAVGB" %%mm1, %%mm2 \n\t"
247
PAVGB" %%mm0, %%mm1 \n\t"
248
"movq %%mm2, (%2, %3) \n\t"
249
"movq %%mm1, (%2, %%eax) \n\t"
250
"addl %%eax, %2 \n\t"
253
:"+g"(h), "+S"(pixels), "+D" (block)
258
static void DEF(avg_pixels8)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
261
"lea (%3, %3), %%eax \n\t"
263
"movq (%2), %%mm0 \n\t"
264
"movq (%2, %3), %%mm1 \n\t"
265
PAVGB" (%1), %%mm0 \n\t"
266
PAVGB" (%1, %3), %%mm1 \n\t"
267
"movq %%mm0, (%2) \n\t"
268
"movq %%mm1, (%2, %3) \n\t"
269
"addl %%eax, %1 \n\t"
270
"addl %%eax, %2 \n\t"
271
"movq (%2), %%mm0 \n\t"
272
"movq (%2, %3), %%mm1 \n\t"
273
PAVGB" (%1), %%mm0 \n\t"
274
PAVGB" (%1, %3), %%mm1 \n\t"
275
"addl %%eax, %1 \n\t"
276
"movq %%mm0, (%2) \n\t"
277
"movq %%mm1, (%2, %3) \n\t"
278
"addl %%eax, %2 \n\t"
281
:"+g"(h), "+S"(pixels), "+D"(block)
286
static void DEF(avg_pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
289
"lea (%3, %3), %%eax \n\t"
291
"movq (%1), %%mm0 \n\t"
292
"movq (%1, %3), %%mm2 \n\t"
293
PAVGB" 1(%1), %%mm0 \n\t"
294
PAVGB" 1(%1, %3), %%mm2 \n\t"
295
PAVGB" (%2), %%mm0 \n\t"
296
PAVGB" (%2, %3), %%mm2 \n\t"
297
"addl %%eax, %1 \n\t"
298
"movq %%mm0, (%2) \n\t"
299
"movq %%mm2, (%2, %3) \n\t"
300
"movq (%1), %%mm0 \n\t"
301
"movq (%1, %3), %%mm2 \n\t"
302
PAVGB" 1(%1), %%mm0 \n\t"
303
PAVGB" 1(%1, %3), %%mm2 \n\t"
304
"addl %%eax, %2 \n\t"
305
"addl %%eax, %1 \n\t"
306
PAVGB" (%2), %%mm0 \n\t"
307
PAVGB" (%2, %3), %%mm2 \n\t"
308
"movq %%mm0, (%2) \n\t"
309
"movq %%mm2, (%2, %3) \n\t"
310
"addl %%eax, %2 \n\t"
313
:"+g"(h), "+S"(pixels), "+D"(block)
318
static void DEF(avg_pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
321
"lea (%3, %3), %%eax \n\t"
322
"movq (%1), %%mm0 \n\t"
325
"movq (%1, %3), %%mm1 \n\t"
326
"movq (%1, %%eax), %%mm2 \n\t"
327
"addl %%eax, %1 \n\t"
328
PAVGB" %%mm1, %%mm0 \n\t"
329
PAVGB" %%mm2, %%mm1 \n\t"
330
"movq (%2, %3), %%mm3 \n\t"
331
"movq (%2, %%eax), %%mm4 \n\t"
332
PAVGB" %%mm3, %%mm0 \n\t"
333
PAVGB" %%mm4, %%mm1 \n\t"
334
"movq %%mm0, (%2, %3) \n\t"
335
"movq %%mm1, (%2, %%eax) \n\t"
336
"movq (%1, %3), %%mm1 \n\t"
337
"movq (%1, %%eax), %%mm0 \n\t"
338
PAVGB" %%mm1, %%mm2 \n\t"
339
PAVGB" %%mm0, %%mm1 \n\t"
340
"addl %%eax, %2 \n\t"
341
"addl %%eax, %1 \n\t"
342
"movq (%2, %3), %%mm3 \n\t"
343
"movq (%2, %%eax), %%mm4 \n\t"
344
PAVGB" %%mm3, %%mm2 \n\t"
345
PAVGB" %%mm4, %%mm1 \n\t"
346
"movq %%mm2, (%2, %3) \n\t"
347
"movq %%mm1, (%2, %%eax) \n\t"
348
"addl %%eax, %2 \n\t"
351
:"+g"(h), "+S"(pixels), "+D"(block)
356
// Note this is not correctly rounded, but this function is only used for b frames so it doesnt matter
357
static void DEF(avg_pixels8_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
361
"lea (%3, %3), %%eax \n\t"
362
"movq (%1), %%mm0 \n\t"
363
PAVGB" 1(%1), %%mm0 \n\t"
366
"movq (%1, %%eax), %%mm2 \n\t"
367
"movq (%1, %3), %%mm1 \n\t"
368
"psubusb %%mm6, %%mm2 \n\t"
369
PAVGB" 1(%1, %3), %%mm1 \n\t"
370
PAVGB" 1(%1, %%eax), %%mm2 \n\t"
371
"addl %%eax, %1 \n\t"
372
PAVGB" %%mm1, %%mm0 \n\t"
373
PAVGB" %%mm2, %%mm1 \n\t"
374
PAVGB" (%2), %%mm0 \n\t"
375
PAVGB" (%2, %3), %%mm1 \n\t"
376
"movq %%mm0, (%2) \n\t"
377
"movq %%mm1, (%2, %3) \n\t"
378
"movq (%1, %3), %%mm1 \n\t"
379
"movq (%1, %%eax), %%mm0 \n\t"
380
PAVGB" 1(%1, %3), %%mm1 \n\t"
381
PAVGB" 1(%1, %%eax), %%mm0 \n\t"
382
"addl %%eax, %2 \n\t"
383
"addl %%eax, %1 \n\t"
384
PAVGB" %%mm1, %%mm2 \n\t"
385
PAVGB" %%mm0, %%mm1 \n\t"
386
PAVGB" (%2), %%mm2 \n\t"
387
PAVGB" (%2, %3), %%mm1 \n\t"
388
"movq %%mm2, (%2) \n\t"
389
"movq %%mm1, (%2, %3) \n\t"
390
"addl %%eax, %2 \n\t"
393
:"+g"(h), "+S"(pixels), "+D"(block)
398
//FIXME the following could be optimized too ...
399
static void DEF(put_no_rnd_pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
400
DEF(put_no_rnd_pixels8_x2)(block , pixels , line_size, h);
401
DEF(put_no_rnd_pixels8_x2)(block+8, pixels+8, line_size, h);
403
static void DEF(put_pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
404
DEF(put_pixels8_y2)(block , pixels , line_size, h);
405
DEF(put_pixels8_y2)(block+8, pixels+8, line_size, h);
407
static void DEF(put_no_rnd_pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
408
DEF(put_no_rnd_pixels8_y2)(block , pixels , line_size, h);
409
DEF(put_no_rnd_pixels8_y2)(block+8, pixels+8, line_size, h);
411
static void DEF(avg_pixels16)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
412
DEF(avg_pixels8)(block , pixels , line_size, h);
413
DEF(avg_pixels8)(block+8, pixels+8, line_size, h);
415
static void DEF(avg_pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
416
DEF(avg_pixels8_x2)(block , pixels , line_size, h);
417
DEF(avg_pixels8_x2)(block+8, pixels+8, line_size, h);
419
static void DEF(avg_pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
420
DEF(avg_pixels8_y2)(block , pixels , line_size, h);
421
DEF(avg_pixels8_y2)(block+8, pixels+8, line_size, h);
423
static void DEF(avg_pixels16_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
424
DEF(avg_pixels8_xy2)(block , pixels , line_size, h);
425
DEF(avg_pixels8_xy2)(block+8, pixels+8, line_size, h);