2
* Copyright (c) 2002 Brian Foley
3
* Copyright (c) 2002 Dieter Shirley
4
* Copyright (c) 2003-2004 Romain Dolbeau <romain@dolbeau.org>
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
21
#include "../dsputil.h"
23
#include "gcc_fixes.h"
25
#include "dsputil_altivec.h"
28
#include <sys/sysctl.h>
29
#else /* CONFIG_DARWIN */
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#include <exec/exec.h>
32
#include <interfaces/exec.h>
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#include <proto/exec.h>
34
#else /* __AMIGAOS4__ */
38
static sigjmp_buf jmpbuf;
39
static volatile sig_atomic_t canjump = 0;
41
static void sigill_handler (int sig)
44
signal (sig, SIG_DFL);
49
siglongjmp (jmpbuf, 1);
51
#endif /* CONFIG_DARWIN */
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#endif /* __AMIGAOS4__ */
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int sad16_x2_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
57
int s __attribute__((aligned(16)));
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const_vector unsigned char zero = (const_vector unsigned char)vec_splat_u8(0);
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vector unsigned char *tv;
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vector unsigned char pix1v, pix2v, pix2iv, avgv, t5;
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vector unsigned int sad;
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vector signed int sumdiffs;
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sad = (vector unsigned int)vec_splat_u32(0);
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Read unaligned pixels into our vectors. The vectors are as follows:
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pix1v: pix1[0]-pix1[15]
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pix2v: pix2[0]-pix2[15] pix2iv: pix2[1]-pix2[16]
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tv = (vector unsigned char *) pix1;
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pix1v = vec_perm(tv[0], tv[1], vec_lvsl(0, pix1));
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tv = (vector unsigned char *) &pix2[0];
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pix2v = vec_perm(tv[0], tv[1], vec_lvsl(0, &pix2[0]));
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tv = (vector unsigned char *) &pix2[1];
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pix2iv = vec_perm(tv[0], tv[1], vec_lvsl(0, &pix2[1]));
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/* Calculate the average vector */
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avgv = vec_avg(pix2v, pix2iv);
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/* Calculate a sum of abs differences vector */
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t5 = vec_sub(vec_max(pix1v, avgv), vec_min(pix1v, avgv));
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/* Add each 4 pixel group together and put 4 results into sad */
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sad = vec_sum4s(t5, sad);
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/* Sum up the four partial sums, and put the result into s */
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sumdiffs = vec_sums((vector signed int) sad, (vector signed int) zero);
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sumdiffs = vec_splat(sumdiffs, 3);
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vec_ste(sumdiffs, 0, &s);
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int sad16_y2_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
104
int s __attribute__((aligned(16)));
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const_vector unsigned char zero = (const_vector unsigned char)vec_splat_u8(0);
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vector unsigned char *tv;
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vector unsigned char pix1v, pix2v, pix3v, avgv, t5;
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vector unsigned int sad;
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vector signed int sumdiffs;
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uint8_t *pix3 = pix2 + line_size;
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sad = (vector unsigned int)vec_splat_u32(0);
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Due to the fact that pix3 = pix2 + line_size, the pix3 of one
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iteration becomes pix2 in the next iteration. We can use this
118
fact to avoid a potentially expensive unaligned read, each
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time around the loop.
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Read unaligned pixels into our vectors. The vectors are as follows:
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pix2v: pix2[0]-pix2[15]
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Split the pixel vectors into shorts
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tv = (vector unsigned char *) &pix2[0];
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pix2v = vec_perm(tv[0], tv[1], vec_lvsl(0, &pix2[0]));
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Read unaligned pixels into our vectors. The vectors are as follows:
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pix1v: pix1[0]-pix1[15]
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pix3v: pix3[0]-pix3[15]
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tv = (vector unsigned char *) pix1;
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pix1v = vec_perm(tv[0], tv[1], vec_lvsl(0, pix1));
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tv = (vector unsigned char *) &pix3[0];
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pix3v = vec_perm(tv[0], tv[1], vec_lvsl(0, &pix3[0]));
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/* Calculate the average vector */
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avgv = vec_avg(pix2v, pix3v);
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/* Calculate a sum of abs differences vector */
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t5 = vec_sub(vec_max(pix1v, avgv), vec_min(pix1v, avgv));
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/* Add each 4 pixel group together and put 4 results into sad */
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sad = vec_sum4s(t5, sad);
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/* Sum up the four partial sums, and put the result into s */
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sumdiffs = vec_sums((vector signed int) sad, (vector signed int) zero);
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sumdiffs = vec_splat(sumdiffs, 3);
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vec_ste(sumdiffs, 0, &s);
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int sad16_xy2_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
164
int s __attribute__((aligned(16)));
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uint8_t *pix3 = pix2 + line_size;
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const_vector unsigned char zero = (const_vector unsigned char)vec_splat_u8(0);
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const_vector unsigned short two = (const_vector unsigned short)vec_splat_u16(2);
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vector unsigned char *tv, avgv, t5;
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vector unsigned char pix1v, pix2v, pix3v, pix2iv, pix3iv;
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vector unsigned short pix2lv, pix2hv, pix2ilv, pix2ihv;
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vector unsigned short pix3lv, pix3hv, pix3ilv, pix3ihv;
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vector unsigned short avghv, avglv;
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vector unsigned short t1, t2, t3, t4;
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vector unsigned int sad;
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vector signed int sumdiffs;
177
sad = (vector unsigned int)vec_splat_u32(0);
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Due to the fact that pix3 = pix2 + line_size, the pix3 of one
183
iteration becomes pix2 in the next iteration. We can use this
184
fact to avoid a potentially expensive unaligned read, as well
185
as some splitting, and vector addition each time around the loop.
186
Read unaligned pixels into our vectors. The vectors are as follows:
187
pix2v: pix2[0]-pix2[15] pix2iv: pix2[1]-pix2[16]
188
Split the pixel vectors into shorts
190
tv = (vector unsigned char *) &pix2[0];
191
pix2v = vec_perm(tv[0], tv[1], vec_lvsl(0, &pix2[0]));
193
tv = (vector unsigned char *) &pix2[1];
194
pix2iv = vec_perm(tv[0], tv[1], vec_lvsl(0, &pix2[1]));
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pix2hv = (vector unsigned short) vec_mergeh(zero, pix2v);
197
pix2lv = (vector unsigned short) vec_mergel(zero, pix2v);
198
pix2ihv = (vector unsigned short) vec_mergeh(zero, pix2iv);
199
pix2ilv = (vector unsigned short) vec_mergel(zero, pix2iv);
200
t1 = vec_add(pix2hv, pix2ihv);
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t2 = vec_add(pix2lv, pix2ilv);
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Read unaligned pixels into our vectors. The vectors are as follows:
206
pix1v: pix1[0]-pix1[15]
207
pix3v: pix3[0]-pix3[15] pix3iv: pix3[1]-pix3[16]
209
tv = (vector unsigned char *) pix1;
210
pix1v = vec_perm(tv[0], tv[1], vec_lvsl(0, pix1));
212
tv = (vector unsigned char *) &pix3[0];
213
pix3v = vec_perm(tv[0], tv[1], vec_lvsl(0, &pix3[0]));
215
tv = (vector unsigned char *) &pix3[1];
216
pix3iv = vec_perm(tv[0], tv[1], vec_lvsl(0, &pix3[1]));
219
Note that Altivec does have vec_avg, but this works on vector pairs
220
and rounds up. We could do avg(avg(a,b),avg(c,d)), but the rounding
221
would mean that, for example, avg(3,0,0,1) = 2, when it should be 1.
222
Instead, we have to split the pixel vectors into vectors of shorts,
223
and do the averaging by hand.
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/* Split the pixel vectors into shorts */
227
pix3hv = (vector unsigned short) vec_mergeh(zero, pix3v);
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pix3lv = (vector unsigned short) vec_mergel(zero, pix3v);
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pix3ihv = (vector unsigned short) vec_mergeh(zero, pix3iv);
230
pix3ilv = (vector unsigned short) vec_mergel(zero, pix3iv);
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/* Do the averaging on them */
233
t3 = vec_add(pix3hv, pix3ihv);
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t4 = vec_add(pix3lv, pix3ilv);
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avghv = vec_sr(vec_add(vec_add(t1, t3), two), two);
237
avglv = vec_sr(vec_add(vec_add(t2, t4), two), two);
239
/* Pack the shorts back into a result */
240
avgv = vec_pack(avghv, avglv);
242
/* Calculate a sum of abs differences vector */
243
t5 = vec_sub(vec_max(pix1v, avgv), vec_min(pix1v, avgv));
245
/* Add each 4 pixel group together and put 4 results into sad */
246
sad = vec_sum4s(t5, sad);
250
/* Transfer the calculated values for pix3 into pix2 */
254
/* Sum up the four partial sums, and put the result into s */
255
sumdiffs = vec_sums((vector signed int) sad, (vector signed int) zero);
256
sumdiffs = vec_splat(sumdiffs, 3);
257
vec_ste(sumdiffs, 0, &s);
262
int sad16_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
265
int s __attribute__((aligned(16)));
266
const_vector unsigned int zero = (const_vector unsigned int)vec_splat_u32(0);
267
vector unsigned char perm1, perm2, *pix1v, *pix2v;
268
vector unsigned char t1, t2, t3,t4, t5;
269
vector unsigned int sad;
270
vector signed int sumdiffs;
272
sad = (vector unsigned int)vec_splat_u32(0);
276
/* Read potentially unaligned pixels into t1 and t2 */
277
perm1 = vec_lvsl(0, pix1);
278
pix1v = (vector unsigned char *) pix1;
279
perm2 = vec_lvsl(0, pix2);
280
pix2v = (vector unsigned char *) pix2;
281
t1 = vec_perm(pix1v[0], pix1v[1], perm1);
282
t2 = vec_perm(pix2v[0], pix2v[1], perm2);
284
/* Calculate a sum of abs differences vector */
285
t3 = vec_max(t1, t2);
286
t4 = vec_min(t1, t2);
287
t5 = vec_sub(t3, t4);
289
/* Add each 4 pixel group together and put 4 results into sad */
290
sad = vec_sum4s(t5, sad);
296
/* Sum up the four partial sums, and put the result into s */
297
sumdiffs = vec_sums((vector signed int) sad, (vector signed int) zero);
298
sumdiffs = vec_splat(sumdiffs, 3);
299
vec_ste(sumdiffs, 0, &s);
304
int sad8_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
307
int s __attribute__((aligned(16)));
308
const_vector unsigned int zero = (const_vector unsigned int)vec_splat_u32(0);
309
vector unsigned char perm1, perm2, permclear, *pix1v, *pix2v;
310
vector unsigned char t1, t2, t3,t4, t5;
311
vector unsigned int sad;
312
vector signed int sumdiffs;
314
sad = (vector unsigned int)vec_splat_u32(0);
316
permclear = (vector unsigned char)AVV(255,255,255,255,255,255,255,255,0,0,0,0,0,0,0,0);
319
/* Read potentially unaligned pixels into t1 and t2
320
Since we're reading 16 pixels, and actually only want 8,
321
mask out the last 8 pixels. The 0s don't change the sum. */
322
perm1 = vec_lvsl(0, pix1);
323
pix1v = (vector unsigned char *) pix1;
324
perm2 = vec_lvsl(0, pix2);
325
pix2v = (vector unsigned char *) pix2;
326
t1 = vec_and(vec_perm(pix1v[0], pix1v[1], perm1), permclear);
327
t2 = vec_and(vec_perm(pix2v[0], pix2v[1], perm2), permclear);
329
/* Calculate a sum of abs differences vector */
330
t3 = vec_max(t1, t2);
331
t4 = vec_min(t1, t2);
332
t5 = vec_sub(t3, t4);
334
/* Add each 4 pixel group together and put 4 results into sad */
335
sad = vec_sum4s(t5, sad);
341
/* Sum up the four partial sums, and put the result into s */
342
sumdiffs = vec_sums((vector signed int) sad, (vector signed int) zero);
343
sumdiffs = vec_splat(sumdiffs, 3);
344
vec_ste(sumdiffs, 0, &s);
349
int pix_norm1_altivec(uint8_t *pix, int line_size)
352
int s __attribute__((aligned(16)));
353
const_vector unsigned int zero = (const_vector unsigned int)vec_splat_u32(0);
354
vector unsigned char *tv;
355
vector unsigned char pixv;
356
vector unsigned int sv;
357
vector signed int sum;
359
sv = (vector unsigned int)vec_splat_u32(0);
362
for (i = 0; i < 16; i++) {
363
/* Read in the potentially unaligned pixels */
364
tv = (vector unsigned char *) pix;
365
pixv = vec_perm(tv[0], tv[1], vec_lvsl(0, pix));
367
/* Square the values, and add them to our sum */
368
sv = vec_msum(pixv, pixv, sv);
372
/* Sum up the four partial sums, and put the result into s */
373
sum = vec_sums((vector signed int) sv, (vector signed int) zero);
374
sum = vec_splat(sum, 3);
381
* Sum of Squared Errors for a 8x8 block.
383
* It's the sad8_altivec code above w/ squaring added.
385
int sse8_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
388
int s __attribute__((aligned(16)));
389
const_vector unsigned int zero = (const_vector unsigned int)vec_splat_u32(0);
390
vector unsigned char perm1, perm2, permclear, *pix1v, *pix2v;
391
vector unsigned char t1, t2, t3,t4, t5;
392
vector unsigned int sum;
393
vector signed int sumsqr;
395
sum = (vector unsigned int)vec_splat_u32(0);
397
permclear = (vector unsigned char)AVV(255,255,255,255,255,255,255,255,0,0,0,0,0,0,0,0);
401
/* Read potentially unaligned pixels into t1 and t2
402
Since we're reading 16 pixels, and actually only want 8,
403
mask out the last 8 pixels. The 0s don't change the sum. */
404
perm1 = vec_lvsl(0, pix1);
405
pix1v = (vector unsigned char *) pix1;
406
perm2 = vec_lvsl(0, pix2);
407
pix2v = (vector unsigned char *) pix2;
408
t1 = vec_and(vec_perm(pix1v[0], pix1v[1], perm1), permclear);
409
t2 = vec_and(vec_perm(pix2v[0], pix2v[1], perm2), permclear);
412
Since we want to use unsigned chars, we can take advantage
413
of the fact that abs(a-b)^2 = (a-b)^2.
416
/* Calculate abs differences vector */
417
t3 = vec_max(t1, t2);
418
t4 = vec_min(t1, t2);
419
t5 = vec_sub(t3, t4);
421
/* Square the values and add them to our sum */
422
sum = vec_msum(t5, t5, sum);
428
/* Sum up the four partial sums, and put the result into s */
429
sumsqr = vec_sums((vector signed int) sum, (vector signed int) zero);
430
sumsqr = vec_splat(sumsqr, 3);
431
vec_ste(sumsqr, 0, &s);
437
* Sum of Squared Errors for a 16x16 block.
439
* It's the sad16_altivec code above w/ squaring added.
441
int sse16_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
444
int s __attribute__((aligned(16)));
445
const_vector unsigned int zero = (const_vector unsigned int)vec_splat_u32(0);
446
vector unsigned char perm1, perm2, *pix1v, *pix2v;
447
vector unsigned char t1, t2, t3,t4, t5;
448
vector unsigned int sum;
449
vector signed int sumsqr;
451
sum = (vector unsigned int)vec_splat_u32(0);
454
/* Read potentially unaligned pixels into t1 and t2 */
455
perm1 = vec_lvsl(0, pix1);
456
pix1v = (vector unsigned char *) pix1;
457
perm2 = vec_lvsl(0, pix2);
458
pix2v = (vector unsigned char *) pix2;
459
t1 = vec_perm(pix1v[0], pix1v[1], perm1);
460
t2 = vec_perm(pix2v[0], pix2v[1], perm2);
463
Since we want to use unsigned chars, we can take advantage
464
of the fact that abs(a-b)^2 = (a-b)^2.
467
/* Calculate abs differences vector */
468
t3 = vec_max(t1, t2);
469
t4 = vec_min(t1, t2);
470
t5 = vec_sub(t3, t4);
472
/* Square the values and add them to our sum */
473
sum = vec_msum(t5, t5, sum);
479
/* Sum up the four partial sums, and put the result into s */
480
sumsqr = vec_sums((vector signed int) sum, (vector signed int) zero);
481
sumsqr = vec_splat(sumsqr, 3);
482
vec_ste(sumsqr, 0, &s);
487
int pix_sum_altivec(uint8_t * pix, int line_size)
489
const_vector unsigned int zero = (const_vector unsigned int)vec_splat_u32(0);
490
vector unsigned char perm, *pixv;
491
vector unsigned char t1;
492
vector unsigned int sad;
493
vector signed int sumdiffs;
496
int s __attribute__((aligned(16)));
498
sad = (vector unsigned int)vec_splat_u32(0);
500
for (i = 0; i < 16; i++) {
501
/* Read the potentially unaligned 16 pixels into t1 */
502
perm = vec_lvsl(0, pix);
503
pixv = (vector unsigned char *) pix;
504
t1 = vec_perm(pixv[0], pixv[1], perm);
506
/* Add each 4 pixel group together and put 4 results into sad */
507
sad = vec_sum4s(t1, sad);
512
/* Sum up the four partial sums, and put the result into s */
513
sumdiffs = vec_sums((vector signed int) sad, (vector signed int) zero);
514
sumdiffs = vec_splat(sumdiffs, 3);
515
vec_ste(sumdiffs, 0, &s);
520
void get_pixels_altivec(DCTELEM *restrict block, const uint8_t *pixels, int line_size)
523
vector unsigned char perm, bytes, *pixv;
524
const_vector unsigned char zero = (const_vector unsigned char)vec_splat_u8(0);
525
vector signed short shorts;
529
// Read potentially unaligned pixels.
530
// We're reading 16 pixels, and actually only want 8,
531
// but we simply ignore the extras.
532
perm = vec_lvsl(0, pixels);
533
pixv = (vector unsigned char *) pixels;
534
bytes = vec_perm(pixv[0], pixv[1], perm);
536
// convert the bytes into shorts
537
shorts = (vector signed short)vec_mergeh(zero, bytes);
539
// save the data to the block, we assume the block is 16-byte aligned
540
vec_st(shorts, i*16, (vector signed short*)block);
546
void diff_pixels_altivec(DCTELEM *restrict block, const uint8_t *s1,
547
const uint8_t *s2, int stride)
550
vector unsigned char perm, bytes, *pixv;
551
const_vector unsigned char zero = (const_vector unsigned char)vec_splat_u8(0);
552
vector signed short shorts1, shorts2;
556
// Read potentially unaligned pixels
557
// We're reading 16 pixels, and actually only want 8,
558
// but we simply ignore the extras.
559
perm = vec_lvsl(0, s1);
560
pixv = (vector unsigned char *) s1;
561
bytes = vec_perm(pixv[0], pixv[1], perm);
563
// convert the bytes into shorts
564
shorts1 = (vector signed short)vec_mergeh(zero, bytes);
566
// Do the same for the second block of pixels
567
perm = vec_lvsl(0, s2);
568
pixv = (vector unsigned char *) s2;
569
bytes = vec_perm(pixv[0], pixv[1], perm);
571
// convert the bytes into shorts
572
shorts2 = (vector signed short)vec_mergeh(zero, bytes);
574
// Do the subtraction
575
shorts1 = vec_sub(shorts1, shorts2);
577
// save the data to the block, we assume the block is 16-byte aligned
578
vec_st(shorts1, 0, (vector signed short*)block);
585
// The code below is a copy of the code above... This is a manual
588
// Read potentially unaligned pixels
589
// We're reading 16 pixels, and actually only want 8,
590
// but we simply ignore the extras.
591
perm = vec_lvsl(0, s1);
592
pixv = (vector unsigned char *) s1;
593
bytes = vec_perm(pixv[0], pixv[1], perm);
595
// convert the bytes into shorts
596
shorts1 = (vector signed short)vec_mergeh(zero, bytes);
598
// Do the same for the second block of pixels
599
perm = vec_lvsl(0, s2);
600
pixv = (vector unsigned char *) s2;
601
bytes = vec_perm(pixv[0], pixv[1], perm);
603
// convert the bytes into shorts
604
shorts2 = (vector signed short)vec_mergeh(zero, bytes);
606
// Do the subtraction
607
shorts1 = vec_sub(shorts1, shorts2);
609
// save the data to the block, we assume the block is 16-byte aligned
610
vec_st(shorts1, 0, (vector signed short*)block);
618
void add_bytes_altivec(uint8_t *dst, uint8_t *src, int w) {
619
#ifdef ALTIVEC_USE_REFERENCE_C_CODE
621
for(i=0; i+7<w; i++){
622
dst[i+0] += src[i+0];
623
dst[i+1] += src[i+1];
624
dst[i+2] += src[i+2];
625
dst[i+3] += src[i+3];
626
dst[i+4] += src[i+4];
627
dst[i+5] += src[i+5];
628
dst[i+6] += src[i+6];
629
dst[i+7] += src[i+7];
632
dst[i+0] += src[i+0];
633
#else /* ALTIVEC_USE_REFERENCE_C_CODE */
635
register vector unsigned char vdst, vsrc;
637
/* dst and src are 16 bytes-aligned (guaranteed) */
638
for(i = 0 ; (i + 15) < w ; i++)
640
vdst = vec_ld(i << 4, (unsigned char*)dst);
641
vsrc = vec_ld(i << 4, (unsigned char*)src);
642
vdst = vec_add(vsrc, vdst);
643
vec_st(vdst, i << 4, (unsigned char*)dst);
645
/* if w is not a multiple of 16 */
646
for (; (i < w) ; i++)
650
#endif /* ALTIVEC_USE_REFERENCE_C_CODE */
653
/* next one assumes that ((line_size % 16) == 0) */
654
void put_pixels16_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h)
656
POWERPC_PERF_DECLARE(altivec_put_pixels16_num, 1);
657
#ifdef ALTIVEC_USE_REFERENCE_C_CODE
660
POWERPC_PERF_START_COUNT(altivec_put_pixels16_num, 1);
663
*((uint32_t*)(block)) = LD32(pixels);
664
*((uint32_t*)(block+4)) = LD32(pixels+4);
665
*((uint32_t*)(block+8)) = LD32(pixels+8);
666
*((uint32_t*)(block+12)) = LD32(pixels+12);
671
POWERPC_PERF_STOP_COUNT(altivec_put_pixels16_num, 1);
673
#else /* ALTIVEC_USE_REFERENCE_C_CODE */
674
register vector unsigned char pixelsv1, pixelsv2;
675
register vector unsigned char pixelsv1B, pixelsv2B;
676
register vector unsigned char pixelsv1C, pixelsv2C;
677
register vector unsigned char pixelsv1D, pixelsv2D;
679
register vector unsigned char perm = vec_lvsl(0, pixels);
681
register int line_size_2 = line_size << 1;
682
register int line_size_3 = line_size + line_size_2;
683
register int line_size_4 = line_size << 2;
685
POWERPC_PERF_START_COUNT(altivec_put_pixels16_num, 1);
686
// hand-unrolling the loop by 4 gains about 15%
687
// mininum execution time goes from 74 to 60 cycles
688
// it's faster than -funroll-loops, but using
689
// -funroll-loops w/ this is bad - 74 cycles again.
690
// all this is on a 7450, tuning for the 7450
693
pixelsv1 = vec_ld(0, (unsigned char*)pixels);
694
pixelsv2 = vec_ld(16, (unsigned char*)pixels);
695
vec_st(vec_perm(pixelsv1, pixelsv2, perm),
696
0, (unsigned char*)block);
701
for(i=0; i<h; i+=4) {
702
pixelsv1 = vec_ld(0, (unsigned char*)pixels);
703
pixelsv2 = vec_ld(16, (unsigned char*)pixels);
704
pixelsv1B = vec_ld(line_size, (unsigned char*)pixels);
705
pixelsv2B = vec_ld(16 + line_size, (unsigned char*)pixels);
706
pixelsv1C = vec_ld(line_size_2, (unsigned char*)pixels);
707
pixelsv2C = vec_ld(16 + line_size_2, (unsigned char*)pixels);
708
pixelsv1D = vec_ld(line_size_3, (unsigned char*)pixels);
709
pixelsv2D = vec_ld(16 + line_size_3, (unsigned char*)pixels);
710
vec_st(vec_perm(pixelsv1, pixelsv2, perm),
711
0, (unsigned char*)block);
712
vec_st(vec_perm(pixelsv1B, pixelsv2B, perm),
713
line_size, (unsigned char*)block);
714
vec_st(vec_perm(pixelsv1C, pixelsv2C, perm),
715
line_size_2, (unsigned char*)block);
716
vec_st(vec_perm(pixelsv1D, pixelsv2D, perm),
717
line_size_3, (unsigned char*)block);
722
POWERPC_PERF_STOP_COUNT(altivec_put_pixels16_num, 1);
724
#endif /* ALTIVEC_USE_REFERENCE_C_CODE */
727
/* next one assumes that ((line_size % 16) == 0) */
728
#define op_avg(a,b) a = ( ((a)|(b)) - ((((a)^(b))&0xFEFEFEFEUL)>>1) )
729
void avg_pixels16_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h)
731
POWERPC_PERF_DECLARE(altivec_avg_pixels16_num, 1);
732
#ifdef ALTIVEC_USE_REFERENCE_C_CODE
735
POWERPC_PERF_START_COUNT(altivec_avg_pixels16_num, 1);
738
op_avg(*((uint32_t*)(block)),LD32(pixels));
739
op_avg(*((uint32_t*)(block+4)),LD32(pixels+4));
740
op_avg(*((uint32_t*)(block+8)),LD32(pixels+8));
741
op_avg(*((uint32_t*)(block+12)),LD32(pixels+12));
746
POWERPC_PERF_STOP_COUNT(altivec_avg_pixels16_num, 1);
748
#else /* ALTIVEC_USE_REFERENCE_C_CODE */
749
register vector unsigned char pixelsv1, pixelsv2, pixelsv, blockv;
750
register vector unsigned char perm = vec_lvsl(0, pixels);
753
POWERPC_PERF_START_COUNT(altivec_avg_pixels16_num, 1);
756
pixelsv1 = vec_ld(0, (unsigned char*)pixels);
757
pixelsv2 = vec_ld(16, (unsigned char*)pixels);
758
blockv = vec_ld(0, block);
759
pixelsv = vec_perm(pixelsv1, pixelsv2, perm);
760
blockv = vec_avg(blockv,pixelsv);
761
vec_st(blockv, 0, (unsigned char*)block);
766
POWERPC_PERF_STOP_COUNT(altivec_avg_pixels16_num, 1);
768
#endif /* ALTIVEC_USE_REFERENCE_C_CODE */
771
/* next one assumes that ((line_size % 8) == 0) */
772
void avg_pixels8_altivec(uint8_t * block, const uint8_t * pixels, int line_size, int h)
774
POWERPC_PERF_DECLARE(altivec_avg_pixels8_num, 1);
775
#ifdef ALTIVEC_USE_REFERENCE_C_CODE
777
POWERPC_PERF_START_COUNT(altivec_avg_pixels8_num, 1);
778
for (i = 0; i < h; i++) {
779
*((uint32_t *) (block)) =
780
(((*((uint32_t *) (block))) |
781
((((const struct unaligned_32 *) (pixels))->l))) -
782
((((*((uint32_t *) (block))) ^
783
((((const struct unaligned_32 *) (pixels))->
784
l))) & 0xFEFEFEFEUL) >> 1));
785
*((uint32_t *) (block + 4)) =
786
(((*((uint32_t *) (block + 4))) |
787
((((const struct unaligned_32 *) (pixels + 4))->l))) -
788
((((*((uint32_t *) (block + 4))) ^
789
((((const struct unaligned_32 *) (pixels +
791
l))) & 0xFEFEFEFEUL) >> 1));
795
POWERPC_PERF_STOP_COUNT(altivec_avg_pixels8_num, 1);
797
#else /* ALTIVEC_USE_REFERENCE_C_CODE */
798
register vector unsigned char pixelsv1, pixelsv2, pixelsv, blockv;
801
POWERPC_PERF_START_COUNT(altivec_avg_pixels8_num, 1);
803
for (i = 0; i < h; i++) {
805
block is 8 bytes-aligned, so we're either in the
806
left block (16 bytes-aligned) or in the right block (not)
808
int rightside = ((unsigned long)block & 0x0000000F);
810
blockv = vec_ld(0, block);
811
pixelsv1 = vec_ld(0, (unsigned char*)pixels);
812
pixelsv2 = vec_ld(16, (unsigned char*)pixels);
813
pixelsv = vec_perm(pixelsv1, pixelsv2, vec_lvsl(0, pixels));
817
pixelsv = vec_perm(blockv, pixelsv, vcprm(0,1,s0,s1));
821
pixelsv = vec_perm(blockv, pixelsv, vcprm(s0,s1,2,3));
824
blockv = vec_avg(blockv, pixelsv);
826
vec_st(blockv, 0, block);
832
POWERPC_PERF_STOP_COUNT(altivec_avg_pixels8_num, 1);
834
#endif /* ALTIVEC_USE_REFERENCE_C_CODE */
837
/* next one assumes that ((line_size % 8) == 0) */
838
void put_pixels8_xy2_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h)
840
POWERPC_PERF_DECLARE(altivec_put_pixels8_xy2_num, 1);
841
#ifdef ALTIVEC_USE_REFERENCE_C_CODE
843
POWERPC_PERF_START_COUNT(altivec_put_pixels8_xy2_num, 1);
844
for (j = 0; j < 2; j++) {
846
const uint32_t a = (((const struct unaligned_32 *) (pixels))->l);
848
(((const struct unaligned_32 *) (pixels + 1))->l);
850
(a & 0x03030303UL) + (b & 0x03030303UL) + 0x02020202UL;
852
((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
855
for (i = 0; i < h; i += 2) {
856
uint32_t a = (((const struct unaligned_32 *) (pixels))->l);
857
uint32_t b = (((const struct unaligned_32 *) (pixels + 1))->l);
858
l1 = (a & 0x03030303UL) + (b & 0x03030303UL);
859
h1 = ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
860
*((uint32_t *) block) =
861
h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL);
864
a = (((const struct unaligned_32 *) (pixels))->l);
865
b = (((const struct unaligned_32 *) (pixels + 1))->l);
866
l0 = (a & 0x03030303UL) + (b & 0x03030303UL) + 0x02020202UL;
867
h0 = ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
868
*((uint32_t *) block) =
869
h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL);
872
} pixels += 4 - line_size * (h + 1);
873
block += 4 - line_size * h;
876
POWERPC_PERF_STOP_COUNT(altivec_put_pixels8_xy2_num, 1);
878
#else /* ALTIVEC_USE_REFERENCE_C_CODE */
880
register vector unsigned char
883
register vector unsigned char
884
blockv, temp1, temp2;
885
register vector unsigned short
886
pixelssum1, pixelssum2, temp3;
887
register const_vector unsigned char vczero = (const_vector unsigned char)vec_splat_u8(0);
888
register const_vector unsigned short vctwo = (const_vector unsigned short)vec_splat_u16(2);
890
temp1 = vec_ld(0, pixels);
891
temp2 = vec_ld(16, pixels);
892
pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(0, pixels));
893
if ((((unsigned long)pixels) & 0x0000000F) == 0x0000000F)
899
pixelsv2 = vec_perm(temp1, temp2, vec_lvsl(1, pixels));
901
pixelsv1 = vec_mergeh(vczero, pixelsv1);
902
pixelsv2 = vec_mergeh(vczero, pixelsv2);
903
pixelssum1 = vec_add((vector unsigned short)pixelsv1,
904
(vector unsigned short)pixelsv2);
905
pixelssum1 = vec_add(pixelssum1, vctwo);
907
POWERPC_PERF_START_COUNT(altivec_put_pixels8_xy2_num, 1);
908
for (i = 0; i < h ; i++) {
909
int rightside = ((unsigned long)block & 0x0000000F);
910
blockv = vec_ld(0, block);
912
temp1 = vec_ld(line_size, pixels);
913
temp2 = vec_ld(line_size + 16, pixels);
914
pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(line_size, pixels));
915
if (((((unsigned long)pixels) + line_size) & 0x0000000F) == 0x0000000F)
921
pixelsv2 = vec_perm(temp1, temp2, vec_lvsl(line_size + 1, pixels));
924
pixelsv1 = vec_mergeh(vczero, pixelsv1);
925
pixelsv2 = vec_mergeh(vczero, pixelsv2);
926
pixelssum2 = vec_add((vector unsigned short)pixelsv1,
927
(vector unsigned short)pixelsv2);
928
temp3 = vec_add(pixelssum1, pixelssum2);
929
temp3 = vec_sra(temp3, vctwo);
930
pixelssum1 = vec_add(pixelssum2, vctwo);
931
pixelsavg = vec_packsu(temp3, (vector unsigned short) vczero);
935
blockv = vec_perm(blockv, pixelsavg, vcprm(0, 1, s0, s1));
939
blockv = vec_perm(blockv, pixelsavg, vcprm(s0, s1, 2, 3));
942
vec_st(blockv, 0, block);
948
POWERPC_PERF_STOP_COUNT(altivec_put_pixels8_xy2_num, 1);
949
#endif /* ALTIVEC_USE_REFERENCE_C_CODE */
952
/* next one assumes that ((line_size % 8) == 0) */
953
void put_no_rnd_pixels8_xy2_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h)
955
POWERPC_PERF_DECLARE(altivec_put_no_rnd_pixels8_xy2_num, 1);
956
#ifdef ALTIVEC_USE_REFERENCE_C_CODE
958
POWERPC_PERF_START_COUNT(altivec_put_no_rnd_pixels8_xy2_num, 1);
959
for (j = 0; j < 2; j++) {
961
const uint32_t a = (((const struct unaligned_32 *) (pixels))->l);
963
(((const struct unaligned_32 *) (pixels + 1))->l);
965
(a & 0x03030303UL) + (b & 0x03030303UL) + 0x01010101UL;
967
((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
970
for (i = 0; i < h; i += 2) {
971
uint32_t a = (((const struct unaligned_32 *) (pixels))->l);
972
uint32_t b = (((const struct unaligned_32 *) (pixels + 1))->l);
973
l1 = (a & 0x03030303UL) + (b & 0x03030303UL);
974
h1 = ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
975
*((uint32_t *) block) =
976
h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL);
979
a = (((const struct unaligned_32 *) (pixels))->l);
980
b = (((const struct unaligned_32 *) (pixels + 1))->l);
981
l0 = (a & 0x03030303UL) + (b & 0x03030303UL) + 0x01010101UL;
982
h0 = ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
983
*((uint32_t *) block) =
984
h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL);
987
} pixels += 4 - line_size * (h + 1);
988
block += 4 - line_size * h;
991
POWERPC_PERF_STOP_COUNT(altivec_put_no_rnd_pixels8_xy2_num, 1);
993
#else /* ALTIVEC_USE_REFERENCE_C_CODE */
995
register vector unsigned char
998
register vector unsigned char
999
blockv, temp1, temp2;
1000
register vector unsigned short
1001
pixelssum1, pixelssum2, temp3;
1002
register const_vector unsigned char vczero = (const_vector unsigned char)vec_splat_u8(0);
1003
register const_vector unsigned short vcone = (const_vector unsigned short)vec_splat_u16(1);
1004
register const_vector unsigned short vctwo = (const_vector unsigned short)vec_splat_u16(2);
1006
temp1 = vec_ld(0, pixels);
1007
temp2 = vec_ld(16, pixels);
1008
pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(0, pixels));
1009
if ((((unsigned long)pixels) & 0x0000000F) == 0x0000000F)
1015
pixelsv2 = vec_perm(temp1, temp2, vec_lvsl(1, pixels));
1017
pixelsv1 = vec_mergeh(vczero, pixelsv1);
1018
pixelsv2 = vec_mergeh(vczero, pixelsv2);
1019
pixelssum1 = vec_add((vector unsigned short)pixelsv1,
1020
(vector unsigned short)pixelsv2);
1021
pixelssum1 = vec_add(pixelssum1, vcone);
1023
POWERPC_PERF_START_COUNT(altivec_put_no_rnd_pixels8_xy2_num, 1);
1024
for (i = 0; i < h ; i++) {
1025
int rightside = ((unsigned long)block & 0x0000000F);
1026
blockv = vec_ld(0, block);
1028
temp1 = vec_ld(line_size, pixels);
1029
temp2 = vec_ld(line_size + 16, pixels);
1030
pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(line_size, pixels));
1031
if (((((unsigned long)pixels) + line_size) & 0x0000000F) == 0x0000000F)
1037
pixelsv2 = vec_perm(temp1, temp2, vec_lvsl(line_size + 1, pixels));
1040
pixelsv1 = vec_mergeh(vczero, pixelsv1);
1041
pixelsv2 = vec_mergeh(vczero, pixelsv2);
1042
pixelssum2 = vec_add((vector unsigned short)pixelsv1,
1043
(vector unsigned short)pixelsv2);
1044
temp3 = vec_add(pixelssum1, pixelssum2);
1045
temp3 = vec_sra(temp3, vctwo);
1046
pixelssum1 = vec_add(pixelssum2, vcone);
1047
pixelsavg = vec_packsu(temp3, (vector unsigned short) vczero);
1051
blockv = vec_perm(blockv, pixelsavg, vcprm(0, 1, s0, s1));
1055
blockv = vec_perm(blockv, pixelsavg, vcprm(s0, s1, 2, 3));
1058
vec_st(blockv, 0, block);
1061
pixels += line_size;
1064
POWERPC_PERF_STOP_COUNT(altivec_put_no_rnd_pixels8_xy2_num, 1);
1065
#endif /* ALTIVEC_USE_REFERENCE_C_CODE */
1068
/* next one assumes that ((line_size % 16) == 0) */
1069
void put_pixels16_xy2_altivec(uint8_t * block, const uint8_t * pixels, int line_size, int h)
1071
POWERPC_PERF_DECLARE(altivec_put_pixels16_xy2_num, 1);
1072
#ifdef ALTIVEC_USE_REFERENCE_C_CODE
1074
POWERPC_PERF_START_COUNT(altivec_put_pixels16_xy2_num, 1);
1075
for (j = 0; j < 4; j++) {
1077
const uint32_t a = (((const struct unaligned_32 *) (pixels))->l);
1079
(((const struct unaligned_32 *) (pixels + 1))->l);
1081
(a & 0x03030303UL) + (b & 0x03030303UL) + 0x02020202UL;
1083
((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
1085
pixels += line_size;
1086
for (i = 0; i < h; i += 2) {
1087
uint32_t a = (((const struct unaligned_32 *) (pixels))->l);
1088
uint32_t b = (((const struct unaligned_32 *) (pixels + 1))->l);
1089
l1 = (a & 0x03030303UL) + (b & 0x03030303UL);
1090
h1 = ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
1091
*((uint32_t *) block) =
1092
h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL);
1093
pixels += line_size;
1095
a = (((const struct unaligned_32 *) (pixels))->l);
1096
b = (((const struct unaligned_32 *) (pixels + 1))->l);
1097
l0 = (a & 0x03030303UL) + (b & 0x03030303UL) + 0x02020202UL;
1098
h0 = ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
1099
*((uint32_t *) block) =
1100
h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL);
1101
pixels += line_size;
1103
} pixels += 4 - line_size * (h + 1);
1104
block += 4 - line_size * h;
1107
POWERPC_PERF_STOP_COUNT(altivec_put_pixels16_xy2_num, 1);
1109
#else /* ALTIVEC_USE_REFERENCE_C_CODE */
1111
register vector unsigned char
1112
pixelsv1, pixelsv2, pixelsv3, pixelsv4;
1113
register vector unsigned char
1114
blockv, temp1, temp2;
1115
register vector unsigned short
1116
pixelssum1, pixelssum2, temp3,
1117
pixelssum3, pixelssum4, temp4;
1118
register const_vector unsigned char vczero = (const_vector unsigned char)vec_splat_u8(0);
1119
register const_vector unsigned short vctwo = (const_vector unsigned short)vec_splat_u16(2);
1121
POWERPC_PERF_START_COUNT(altivec_put_pixels16_xy2_num, 1);
1123
temp1 = vec_ld(0, pixels);
1124
temp2 = vec_ld(16, pixels);
1125
pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(0, pixels));
1126
if ((((unsigned long)pixels) & 0x0000000F) == 0x0000000F)
1132
pixelsv2 = vec_perm(temp1, temp2, vec_lvsl(1, pixels));
1134
pixelsv3 = vec_mergel(vczero, pixelsv1);
1135
pixelsv4 = vec_mergel(vczero, pixelsv2);
1136
pixelsv1 = vec_mergeh(vczero, pixelsv1);
1137
pixelsv2 = vec_mergeh(vczero, pixelsv2);
1138
pixelssum3 = vec_add((vector unsigned short)pixelsv3,
1139
(vector unsigned short)pixelsv4);
1140
pixelssum3 = vec_add(pixelssum3, vctwo);
1141
pixelssum1 = vec_add((vector unsigned short)pixelsv1,
1142
(vector unsigned short)pixelsv2);
1143
pixelssum1 = vec_add(pixelssum1, vctwo);
1145
for (i = 0; i < h ; i++) {
1146
blockv = vec_ld(0, block);
1148
temp1 = vec_ld(line_size, pixels);
1149
temp2 = vec_ld(line_size + 16, pixels);
1150
pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(line_size, pixels));
1151
if (((((unsigned long)pixels) + line_size) & 0x0000000F) == 0x0000000F)
1157
pixelsv2 = vec_perm(temp1, temp2, vec_lvsl(line_size + 1, pixels));
1160
pixelsv3 = vec_mergel(vczero, pixelsv1);
1161
pixelsv4 = vec_mergel(vczero, pixelsv2);
1162
pixelsv1 = vec_mergeh(vczero, pixelsv1);
1163
pixelsv2 = vec_mergeh(vczero, pixelsv2);
1165
pixelssum4 = vec_add((vector unsigned short)pixelsv3,
1166
(vector unsigned short)pixelsv4);
1167
pixelssum2 = vec_add((vector unsigned short)pixelsv1,
1168
(vector unsigned short)pixelsv2);
1169
temp4 = vec_add(pixelssum3, pixelssum4);
1170
temp4 = vec_sra(temp4, vctwo);
1171
temp3 = vec_add(pixelssum1, pixelssum2);
1172
temp3 = vec_sra(temp3, vctwo);
1174
pixelssum3 = vec_add(pixelssum4, vctwo);
1175
pixelssum1 = vec_add(pixelssum2, vctwo);
1177
blockv = vec_packsu(temp3, temp4);
1179
vec_st(blockv, 0, block);
1182
pixels += line_size;
1185
POWERPC_PERF_STOP_COUNT(altivec_put_pixels16_xy2_num, 1);
1186
#endif /* ALTIVEC_USE_REFERENCE_C_CODE */
1189
/* next one assumes that ((line_size % 16) == 0) */
1190
void put_no_rnd_pixels16_xy2_altivec(uint8_t * block, const uint8_t * pixels, int line_size, int h)
1192
POWERPC_PERF_DECLARE(altivec_put_no_rnd_pixels16_xy2_num, 1);
1193
#ifdef ALTIVEC_USE_REFERENCE_C_CODE
1195
POWERPC_PERF_START_COUNT(altivec_put_no_rnd_pixels16_xy2_num, 1);
1196
for (j = 0; j < 4; j++) {
1198
const uint32_t a = (((const struct unaligned_32 *) (pixels))->l);
1200
(((const struct unaligned_32 *) (pixels + 1))->l);
1202
(a & 0x03030303UL) + (b & 0x03030303UL) + 0x01010101UL;
1204
((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
1206
pixels += line_size;
1207
for (i = 0; i < h; i += 2) {
1208
uint32_t a = (((const struct unaligned_32 *) (pixels))->l);
1209
uint32_t b = (((const struct unaligned_32 *) (pixels + 1))->l);
1210
l1 = (a & 0x03030303UL) + (b & 0x03030303UL);
1211
h1 = ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
1212
*((uint32_t *) block) =
1213
h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL);
1214
pixels += line_size;
1216
a = (((const struct unaligned_32 *) (pixels))->l);
1217
b = (((const struct unaligned_32 *) (pixels + 1))->l);
1218
l0 = (a & 0x03030303UL) + (b & 0x03030303UL) + 0x01010101UL;
1219
h0 = ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
1220
*((uint32_t *) block) =
1221
h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL);
1222
pixels += line_size;
1224
} pixels += 4 - line_size * (h + 1);
1225
block += 4 - line_size * h;
1228
POWERPC_PERF_STOP_COUNT(altivec_put_no_rnd_pixels16_xy2_num, 1);
1230
#else /* ALTIVEC_USE_REFERENCE_C_CODE */
1232
register vector unsigned char
1233
pixelsv1, pixelsv2, pixelsv3, pixelsv4;
1234
register vector unsigned char
1235
blockv, temp1, temp2;
1236
register vector unsigned short
1237
pixelssum1, pixelssum2, temp3,
1238
pixelssum3, pixelssum4, temp4;
1239
register const_vector unsigned char vczero = (const_vector unsigned char)vec_splat_u8(0);
1240
register const_vector unsigned short vcone = (const_vector unsigned short)vec_splat_u16(1);
1241
register const_vector unsigned short vctwo = (const_vector unsigned short)vec_splat_u16(2);
1243
POWERPC_PERF_START_COUNT(altivec_put_no_rnd_pixels16_xy2_num, 1);
1245
temp1 = vec_ld(0, pixels);
1246
temp2 = vec_ld(16, pixels);
1247
pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(0, pixels));
1248
if ((((unsigned long)pixels) & 0x0000000F) == 0x0000000F)
1254
pixelsv2 = vec_perm(temp1, temp2, vec_lvsl(1, pixels));
1256
pixelsv3 = vec_mergel(vczero, pixelsv1);
1257
pixelsv4 = vec_mergel(vczero, pixelsv2);
1258
pixelsv1 = vec_mergeh(vczero, pixelsv1);
1259
pixelsv2 = vec_mergeh(vczero, pixelsv2);
1260
pixelssum3 = vec_add((vector unsigned short)pixelsv3,
1261
(vector unsigned short)pixelsv4);
1262
pixelssum3 = vec_add(pixelssum3, vcone);
1263
pixelssum1 = vec_add((vector unsigned short)pixelsv1,
1264
(vector unsigned short)pixelsv2);
1265
pixelssum1 = vec_add(pixelssum1, vcone);
1267
for (i = 0; i < h ; i++) {
1268
blockv = vec_ld(0, block);
1270
temp1 = vec_ld(line_size, pixels);
1271
temp2 = vec_ld(line_size + 16, pixels);
1272
pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(line_size, pixels));
1273
if (((((unsigned long)pixels) + line_size) & 0x0000000F) == 0x0000000F)
1279
pixelsv2 = vec_perm(temp1, temp2, vec_lvsl(line_size + 1, pixels));
1282
pixelsv3 = vec_mergel(vczero, pixelsv1);
1283
pixelsv4 = vec_mergel(vczero, pixelsv2);
1284
pixelsv1 = vec_mergeh(vczero, pixelsv1);
1285
pixelsv2 = vec_mergeh(vczero, pixelsv2);
1287
pixelssum4 = vec_add((vector unsigned short)pixelsv3,
1288
(vector unsigned short)pixelsv4);
1289
pixelssum2 = vec_add((vector unsigned short)pixelsv1,
1290
(vector unsigned short)pixelsv2);
1291
temp4 = vec_add(pixelssum3, pixelssum4);
1292
temp4 = vec_sra(temp4, vctwo);
1293
temp3 = vec_add(pixelssum1, pixelssum2);
1294
temp3 = vec_sra(temp3, vctwo);
1296
pixelssum3 = vec_add(pixelssum4, vcone);
1297
pixelssum1 = vec_add(pixelssum2, vcone);
1299
blockv = vec_packsu(temp3, temp4);
1301
vec_st(blockv, 0, block);
1304
pixels += line_size;
1307
POWERPC_PERF_STOP_COUNT(altivec_put_no_rnd_pixels16_xy2_num, 1);
1308
#endif /* ALTIVEC_USE_REFERENCE_C_CODE */
1311
#ifdef CONFIG_DARWIN
1312
int hadamard8_diff8x8_altivec(/*MpegEncContext*/ void *s, uint8_t *dst, uint8_t *src, int stride, int h){
1313
POWERPC_PERF_DECLARE(altivec_hadamard8_diff8x8_num, 1);
1315
POWERPC_PERF_START_COUNT(altivec_hadamard8_diff8x8_num, 1);
1316
register const_vector unsigned char vzero = (const_vector unsigned char)vec_splat_u8(0);
1317
register vector signed short temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
1319
register const_vector signed short vprod1 = (const_vector signed short)AVV( 1,-1, 1,-1, 1,-1, 1,-1);
1320
register const_vector signed short vprod2 = (const_vector signed short)AVV( 1, 1,-1,-1, 1, 1,-1,-1);
1321
register const_vector signed short vprod3 = (const_vector signed short)AVV( 1, 1, 1, 1,-1,-1,-1,-1);
1322
register const_vector unsigned char perm1 = (const_vector unsigned char)
1323
AVV(0x02, 0x03, 0x00, 0x01,
1324
0x06, 0x07, 0x04, 0x05,
1325
0x0A, 0x0B, 0x08, 0x09,
1326
0x0E, 0x0F, 0x0C, 0x0D);
1327
register const_vector unsigned char perm2 = (const_vector unsigned char)
1328
AVV(0x04, 0x05, 0x06, 0x07,
1329
0x00, 0x01, 0x02, 0x03,
1330
0x0C, 0x0D, 0x0E, 0x0F,
1331
0x08, 0x09, 0x0A, 0x0B);
1332
register const_vector unsigned char perm3 = (const_vector unsigned char)
1333
AVV(0x08, 0x09, 0x0A, 0x0B,
1334
0x0C, 0x0D, 0x0E, 0x0F,
1335
0x00, 0x01, 0x02, 0x03,
1336
0x04, 0x05, 0x06, 0x07);
1338
#define ONEITERBUTTERFLY(i, res) \
1340
register vector unsigned char src1, src2, srcO; \
1341
register vector unsigned char dst1, dst2, dstO; \
1342
src1 = vec_ld(stride * i, src); \
1343
if ((((stride * i) + (unsigned long)src) & 0x0000000F) > 8) \
1344
src2 = vec_ld((stride * i) + 16, src); \
1345
srcO = vec_perm(src1, src2, vec_lvsl(stride * i, src)); \
1346
dst1 = vec_ld(stride * i, dst); \
1347
if ((((stride * i) + (unsigned long)dst) & 0x0000000F) > 8) \
1348
dst2 = vec_ld((stride * i) + 16, dst); \
1349
dstO = vec_perm(dst1, dst2, vec_lvsl(stride * i, dst)); \
1350
/* promote the unsigned chars to signed shorts */ \
1351
/* we're in the 8x8 function, we only care for the first 8 */ \
1352
register vector signed short srcV = \
1353
(vector signed short)vec_mergeh((vector signed char)vzero, (vector signed char)srcO); \
1354
register vector signed short dstV = \
1355
(vector signed short)vec_mergeh((vector signed char)vzero, (vector signed char)dstO); \
1356
/* substractions inside the first butterfly */ \
1357
register vector signed short but0 = vec_sub(srcV, dstV); \
1358
register vector signed short op1 = vec_perm(but0, but0, perm1); \
1359
register vector signed short but1 = vec_mladd(but0, vprod1, op1); \
1360
register vector signed short op2 = vec_perm(but1, but1, perm2); \
1361
register vector signed short but2 = vec_mladd(but1, vprod2, op2); \
1362
register vector signed short op3 = vec_perm(but2, but2, perm3); \
1363
res = vec_mladd(but2, vprod3, op3); \
1365
ONEITERBUTTERFLY(0, temp0);
1366
ONEITERBUTTERFLY(1, temp1);
1367
ONEITERBUTTERFLY(2, temp2);
1368
ONEITERBUTTERFLY(3, temp3);
1369
ONEITERBUTTERFLY(4, temp4);
1370
ONEITERBUTTERFLY(5, temp5);
1371
ONEITERBUTTERFLY(6, temp6);
1372
ONEITERBUTTERFLY(7, temp7);
1374
#undef ONEITERBUTTERFLY
1376
register vector signed int vsum;
1377
register vector signed short line0 = vec_add(temp0, temp1);
1378
register vector signed short line1 = vec_sub(temp0, temp1);
1379
register vector signed short line2 = vec_add(temp2, temp3);
1380
register vector signed short line3 = vec_sub(temp2, temp3);
1381
register vector signed short line4 = vec_add(temp4, temp5);
1382
register vector signed short line5 = vec_sub(temp4, temp5);
1383
register vector signed short line6 = vec_add(temp6, temp7);
1384
register vector signed short line7 = vec_sub(temp6, temp7);
1386
register vector signed short line0B = vec_add(line0, line2);
1387
register vector signed short line2B = vec_sub(line0, line2);
1388
register vector signed short line1B = vec_add(line1, line3);
1389
register vector signed short line3B = vec_sub(line1, line3);
1390
register vector signed short line4B = vec_add(line4, line6);
1391
register vector signed short line6B = vec_sub(line4, line6);
1392
register vector signed short line5B = vec_add(line5, line7);
1393
register vector signed short line7B = vec_sub(line5, line7);
1395
register vector signed short line0C = vec_add(line0B, line4B);
1396
register vector signed short line4C = vec_sub(line0B, line4B);
1397
register vector signed short line1C = vec_add(line1B, line5B);
1398
register vector signed short line5C = vec_sub(line1B, line5B);
1399
register vector signed short line2C = vec_add(line2B, line6B);
1400
register vector signed short line6C = vec_sub(line2B, line6B);
1401
register vector signed short line3C = vec_add(line3B, line7B);
1402
register vector signed short line7C = vec_sub(line3B, line7B);
1404
vsum = vec_sum4s(vec_abs(line0C), vec_splat_s32(0));
1405
vsum = vec_sum4s(vec_abs(line1C), vsum);
1406
vsum = vec_sum4s(vec_abs(line2C), vsum);
1407
vsum = vec_sum4s(vec_abs(line3C), vsum);
1408
vsum = vec_sum4s(vec_abs(line4C), vsum);
1409
vsum = vec_sum4s(vec_abs(line5C), vsum);
1410
vsum = vec_sum4s(vec_abs(line6C), vsum);
1411
vsum = vec_sum4s(vec_abs(line7C), vsum);
1412
vsum = vec_sums(vsum, (vector signed int)vzero);
1413
vsum = vec_splat(vsum, 3);
1414
vec_ste(vsum, 0, &sum);
1416
POWERPC_PERF_STOP_COUNT(altivec_hadamard8_diff8x8_num, 1);
1421
16x8 works with 16 elements ; it allows to avoid replicating
1422
loads, and give the compiler more rooms for scheduling.
1423
It's only used from inside hadamard8_diff16_altivec.
1425
Unfortunately, it seems gcc-3.3 is a bit dumb, and
1426
the compiled code has a LOT of spill code, it seems
1427
gcc (unlike xlc) cannot keep everything in registers
1428
by itself. The following code include hand-made
1429
registers allocation. It's not clean, but on
1430
a 7450 the resulting code is much faster (best case
1431
fall from 700+ cycles to 550).
1433
xlc doesn't add spill code, but it doesn't know how to
1434
schedule for the 7450, and its code isn't much faster than
1435
gcc-3.3 on the 7450 (but uses 25% less instructions...)
1437
On the 970, the hand-made RA is still a win (arount 690
1438
vs. around 780), but xlc goes to around 660 on the
1442
static int hadamard8_diff16x8_altivec(/*MpegEncContext*/ void *s, uint8_t *dst, uint8_t *src, int stride, int h) {
1444
register vector signed short
1453
register vector signed short
1462
register const_vector unsigned char vzero asm ("v31")= (const_vector unsigned char)vec_splat_u8(0);
1464
register const_vector signed short vprod1 asm ("v16")= (const_vector signed short)AVV( 1,-1, 1,-1, 1,-1, 1,-1);
1465
register const_vector signed short vprod2 asm ("v17")= (const_vector signed short)AVV( 1, 1,-1,-1, 1, 1,-1,-1);
1466
register const_vector signed short vprod3 asm ("v18")= (const_vector signed short)AVV( 1, 1, 1, 1,-1,-1,-1,-1);
1467
register const_vector unsigned char perm1 asm ("v19")= (const_vector unsigned char)
1468
AVV(0x02, 0x03, 0x00, 0x01,
1469
0x06, 0x07, 0x04, 0x05,
1470
0x0A, 0x0B, 0x08, 0x09,
1471
0x0E, 0x0F, 0x0C, 0x0D);
1472
register const_vector unsigned char perm2 asm ("v20")= (const_vector unsigned char)
1473
AVV(0x04, 0x05, 0x06, 0x07,
1474
0x00, 0x01, 0x02, 0x03,
1475
0x0C, 0x0D, 0x0E, 0x0F,
1476
0x08, 0x09, 0x0A, 0x0B);
1477
register const_vector unsigned char perm3 asm ("v21")= (const_vector unsigned char)
1478
AVV(0x08, 0x09, 0x0A, 0x0B,
1479
0x0C, 0x0D, 0x0E, 0x0F,
1480
0x00, 0x01, 0x02, 0x03,
1481
0x04, 0x05, 0x06, 0x07);
1483
#define ONEITERBUTTERFLY(i, res1, res2) \
1485
register vector unsigned char src1 asm ("v22"), src2 asm ("v23"); \
1486
register vector unsigned char dst1 asm ("v24"), dst2 asm ("v25"); \
1487
src1 = vec_ld(stride * i, src); \
1488
src2 = vec_ld((stride * i) + 16, src); \
1489
register vector unsigned char srcO asm ("v22") = vec_perm(src1, src2, vec_lvsl(stride * i, src)); \
1490
dst1 = vec_ld(stride * i, dst); \
1491
dst2 = vec_ld((stride * i) + 16, dst); \
1492
register vector unsigned char dstO asm ("v23") = vec_perm(dst1, dst2, vec_lvsl(stride * i, dst)); \
1493
/* promote the unsigned chars to signed shorts */ \
1494
register vector signed short srcV asm ("v24") = \
1495
(vector signed short)vec_mergeh((vector signed char)vzero, (vector signed char)srcO); \
1496
register vector signed short dstV asm ("v25") = \
1497
(vector signed short)vec_mergeh((vector signed char)vzero, (vector signed char)dstO); \
1498
register vector signed short srcW asm ("v26") = \
1499
(vector signed short)vec_mergel((vector signed char)vzero, (vector signed char)srcO); \
1500
register vector signed short dstW asm ("v27") = \
1501
(vector signed short)vec_mergel((vector signed char)vzero, (vector signed char)dstO); \
1502
/* substractions inside the first butterfly */ \
1503
register vector signed short but0 asm ("v28") = vec_sub(srcV, dstV); \
1504
register vector signed short but0S asm ("v29") = vec_sub(srcW, dstW); \
1505
register vector signed short op1 asm ("v30") = vec_perm(but0, but0, perm1); \
1506
register vector signed short but1 asm ("v22") = vec_mladd(but0, vprod1, op1); \
1507
register vector signed short op1S asm ("v23") = vec_perm(but0S, but0S, perm1); \
1508
register vector signed short but1S asm ("v24") = vec_mladd(but0S, vprod1, op1S); \
1509
register vector signed short op2 asm ("v25") = vec_perm(but1, but1, perm2); \
1510
register vector signed short but2 asm ("v26") = vec_mladd(but1, vprod2, op2); \
1511
register vector signed short op2S asm ("v27") = vec_perm(but1S, but1S, perm2); \
1512
register vector signed short but2S asm ("v28") = vec_mladd(but1S, vprod2, op2S); \
1513
register vector signed short op3 asm ("v29") = vec_perm(but2, but2, perm3); \
1514
res1 = vec_mladd(but2, vprod3, op3); \
1515
register vector signed short op3S asm ("v30") = vec_perm(but2S, but2S, perm3); \
1516
res2 = vec_mladd(but2S, vprod3, op3S); \
1518
ONEITERBUTTERFLY(0, temp0, temp0S);
1519
ONEITERBUTTERFLY(1, temp1, temp1S);
1520
ONEITERBUTTERFLY(2, temp2, temp2S);
1521
ONEITERBUTTERFLY(3, temp3, temp3S);
1522
ONEITERBUTTERFLY(4, temp4, temp4S);
1523
ONEITERBUTTERFLY(5, temp5, temp5S);
1524
ONEITERBUTTERFLY(6, temp6, temp6S);
1525
ONEITERBUTTERFLY(7, temp7, temp7S);
1527
#undef ONEITERBUTTERFLY
1529
register vector signed int vsum;
1530
register vector signed short line0 = vec_add(temp0, temp1);
1531
register vector signed short line1 = vec_sub(temp0, temp1);
1532
register vector signed short line2 = vec_add(temp2, temp3);
1533
register vector signed short line3 = vec_sub(temp2, temp3);
1534
register vector signed short line4 = vec_add(temp4, temp5);
1535
register vector signed short line5 = vec_sub(temp4, temp5);
1536
register vector signed short line6 = vec_add(temp6, temp7);
1537
register vector signed short line7 = vec_sub(temp6, temp7);
1539
register vector signed short line0B = vec_add(line0, line2);
1540
register vector signed short line2B = vec_sub(line0, line2);
1541
register vector signed short line1B = vec_add(line1, line3);
1542
register vector signed short line3B = vec_sub(line1, line3);
1543
register vector signed short line4B = vec_add(line4, line6);
1544
register vector signed short line6B = vec_sub(line4, line6);
1545
register vector signed short line5B = vec_add(line5, line7);
1546
register vector signed short line7B = vec_sub(line5, line7);
1548
register vector signed short line0C = vec_add(line0B, line4B);
1549
register vector signed short line4C = vec_sub(line0B, line4B);
1550
register vector signed short line1C = vec_add(line1B, line5B);
1551
register vector signed short line5C = vec_sub(line1B, line5B);
1552
register vector signed short line2C = vec_add(line2B, line6B);
1553
register vector signed short line6C = vec_sub(line2B, line6B);
1554
register vector signed short line3C = vec_add(line3B, line7B);
1555
register vector signed short line7C = vec_sub(line3B, line7B);
1557
vsum = vec_sum4s(vec_abs(line0C), vec_splat_s32(0));
1558
vsum = vec_sum4s(vec_abs(line1C), vsum);
1559
vsum = vec_sum4s(vec_abs(line2C), vsum);
1560
vsum = vec_sum4s(vec_abs(line3C), vsum);
1561
vsum = vec_sum4s(vec_abs(line4C), vsum);
1562
vsum = vec_sum4s(vec_abs(line5C), vsum);
1563
vsum = vec_sum4s(vec_abs(line6C), vsum);
1564
vsum = vec_sum4s(vec_abs(line7C), vsum);
1566
register vector signed short line0S = vec_add(temp0S, temp1S);
1567
register vector signed short line1S = vec_sub(temp0S, temp1S);
1568
register vector signed short line2S = vec_add(temp2S, temp3S);
1569
register vector signed short line3S = vec_sub(temp2S, temp3S);
1570
register vector signed short line4S = vec_add(temp4S, temp5S);
1571
register vector signed short line5S = vec_sub(temp4S, temp5S);
1572
register vector signed short line6S = vec_add(temp6S, temp7S);
1573
register vector signed short line7S = vec_sub(temp6S, temp7S);
1575
register vector signed short line0BS = vec_add(line0S, line2S);
1576
register vector signed short line2BS = vec_sub(line0S, line2S);
1577
register vector signed short line1BS = vec_add(line1S, line3S);
1578
register vector signed short line3BS = vec_sub(line1S, line3S);
1579
register vector signed short line4BS = vec_add(line4S, line6S);
1580
register vector signed short line6BS = vec_sub(line4S, line6S);
1581
register vector signed short line5BS = vec_add(line5S, line7S);
1582
register vector signed short line7BS = vec_sub(line5S, line7S);
1584
register vector signed short line0CS = vec_add(line0BS, line4BS);
1585
register vector signed short line4CS = vec_sub(line0BS, line4BS);
1586
register vector signed short line1CS = vec_add(line1BS, line5BS);
1587
register vector signed short line5CS = vec_sub(line1BS, line5BS);
1588
register vector signed short line2CS = vec_add(line2BS, line6BS);
1589
register vector signed short line6CS = vec_sub(line2BS, line6BS);
1590
register vector signed short line3CS = vec_add(line3BS, line7BS);
1591
register vector signed short line7CS = vec_sub(line3BS, line7BS);
1593
vsum = vec_sum4s(vec_abs(line0CS), vsum);
1594
vsum = vec_sum4s(vec_abs(line1CS), vsum);
1595
vsum = vec_sum4s(vec_abs(line2CS), vsum);
1596
vsum = vec_sum4s(vec_abs(line3CS), vsum);
1597
vsum = vec_sum4s(vec_abs(line4CS), vsum);
1598
vsum = vec_sum4s(vec_abs(line5CS), vsum);
1599
vsum = vec_sum4s(vec_abs(line6CS), vsum);
1600
vsum = vec_sum4s(vec_abs(line7CS), vsum);
1601
vsum = vec_sums(vsum, (vector signed int)vzero);
1602
vsum = vec_splat(vsum, 3);
1603
vec_ste(vsum, 0, &sum);
1608
int hadamard8_diff16_altivec(/*MpegEncContext*/ void *s, uint8_t *dst, uint8_t *src, int stride, int h){
1609
POWERPC_PERF_DECLARE(altivec_hadamard8_diff16_num, 1);
1611
POWERPC_PERF_START_COUNT(altivec_hadamard8_diff16_num, 1);
1612
score = hadamard8_diff16x8_altivec(s, dst, src, stride, 8);
1616
score += hadamard8_diff16x8_altivec(s, dst, src, stride, 8);
1618
POWERPC_PERF_STOP_COUNT(altivec_hadamard8_diff16_num, 1);
1621
#endif //CONFIG_DARWIN
1623
int has_altivec(void)
1627
extern struct ExecIFace *IExec;
1629
IExec->GetCPUInfoTags(GCIT_VectorUnit, &result, TAG_DONE);
1630
if (result == VECTORTYPE_ALTIVEC) return 1;
1632
#else /* __AMIGAOS4__ */
1634
#ifdef CONFIG_DARWIN
1635
int sels[2] = {CTL_HW, HW_VECTORUNIT};
1637
size_t len = sizeof(has_vu);
1640
err = sysctl(sels, 2, &has_vu, &len, NULL, 0);
1642
if (err == 0) return (has_vu != 0);
1643
#else /* CONFIG_DARWIN */
1644
/* no Darwin, do it the brute-force way */
1645
/* this is borrowed from the libmpeg2 library */
1647
signal (SIGILL, sigill_handler);
1648
if (sigsetjmp (jmpbuf, 1)) {
1649
signal (SIGILL, SIG_DFL);
1653
asm volatile ("mtspr 256, %0\n\t"
1654
"vand %%v0, %%v0, %%v0"
1658
signal (SIGILL, SIG_DFL);
1662
#endif /* CONFIG_DARWIN */
1664
#endif /* __AMIGAOS4__ */
1667
/* next one assumes that ((line_size % 8) == 0) */
1668
void avg_pixels8_xy2_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h)
1670
POWERPC_PERF_DECLARE(altivec_avg_pixels8_xy2_num, 1);
1671
#ifdef ALTIVEC_USE_REFERENCE_C_CODE
1674
POWERPC_PERF_START_COUNT(altivec_avg_pixels8_xy2_num, 1);
1675
for (j = 0; j < 2; j++) {
1677
const uint32_t a = (((const struct unaligned_32 *) (pixels))->l);
1678
const uint32_t b = (((const struct unaligned_32 *) (pixels + 1))->l);
1679
uint32_t l0 = (a & 0x03030303UL) + (b & 0x03030303UL) + 0x02020202UL;
1680
uint32_t h0 = ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
1682
pixels += line_size;
1683
for (i = 0; i < h; i += 2) {
1684
uint32_t a = (((const struct unaligned_32 *) (pixels))->l);
1685
uint32_t b = (((const struct unaligned_32 *) (pixels + 1))->l);
1686
l1 = (a & 0x03030303UL) + (b & 0x03030303UL);
1687
h1 = ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
1688
*((uint32_t *) block) = rnd_avg32(*((uint32_t *) block), h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL));
1689
pixels += line_size;
1691
a = (((const struct unaligned_32 *) (pixels))->l);
1692
b = (((const struct unaligned_32 *) (pixels + 1))->l);
1693
l0 = (a & 0x03030303UL) + (b & 0x03030303UL) + 0x02020202UL;
1694
h0 = ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
1695
*((uint32_t *) block) = rnd_avg32(*((uint32_t *) block), h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL));
1696
pixels += line_size;
1698
} pixels += 4 - line_size * (h + 1);
1699
block += 4 - line_size * h;
1701
POWERPC_PERF_STOP_COUNT(altivec_avg_pixels8_xy2_num, 1);
1702
#else /* ALTIVEC_USE_REFERENCE_C_CODE */
1704
register vector unsigned char
1707
register vector unsigned char
1708
blockv, temp1, temp2, blocktemp;
1709
register vector unsigned short
1710
pixelssum1, pixelssum2, temp3;
1711
register const_vector unsigned char vczero = (const_vector unsigned char)vec_splat_u8(0);
1712
register const_vector unsigned short vctwo = (const_vector unsigned short)vec_splat_u16(2);
1714
temp1 = vec_ld(0, pixels);
1715
temp2 = vec_ld(16, pixels);
1716
pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(0, pixels));
1717
if ((((unsigned long)pixels) & 0x0000000F) == 0x0000000F)
1723
pixelsv2 = vec_perm(temp1, temp2, vec_lvsl(1, pixels));
1725
pixelsv1 = vec_mergeh(vczero, pixelsv1);
1726
pixelsv2 = vec_mergeh(vczero, pixelsv2);
1727
pixelssum1 = vec_add((vector unsigned short)pixelsv1,
1728
(vector unsigned short)pixelsv2);
1729
pixelssum1 = vec_add(pixelssum1, vctwo);
1731
POWERPC_PERF_START_COUNT(altivec_avg_pixels8_xy2_num, 1);
1732
for (i = 0; i < h ; i++) {
1733
int rightside = ((unsigned long)block & 0x0000000F);
1734
blockv = vec_ld(0, block);
1736
temp1 = vec_ld(line_size, pixels);
1737
temp2 = vec_ld(line_size + 16, pixels);
1738
pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(line_size, pixels));
1739
if (((((unsigned long)pixels) + line_size) & 0x0000000F) == 0x0000000F)
1745
pixelsv2 = vec_perm(temp1, temp2, vec_lvsl(line_size + 1, pixels));
1748
pixelsv1 = vec_mergeh(vczero, pixelsv1);
1749
pixelsv2 = vec_mergeh(vczero, pixelsv2);
1750
pixelssum2 = vec_add((vector unsigned short)pixelsv1,
1751
(vector unsigned short)pixelsv2);
1752
temp3 = vec_add(pixelssum1, pixelssum2);
1753
temp3 = vec_sra(temp3, vctwo);
1754
pixelssum1 = vec_add(pixelssum2, vctwo);
1755
pixelsavg = vec_packsu(temp3, (vector unsigned short) vczero);
1759
blocktemp = vec_perm(blockv, pixelsavg, vcprm(0, 1, s0, s1));
1763
blocktemp = vec_perm(blockv, pixelsavg, vcprm(s0, s1, 2, 3));
1766
blockv = vec_avg(blocktemp, blockv);
1767
vec_st(blockv, 0, block);
1770
pixels += line_size;
1773
POWERPC_PERF_STOP_COUNT(altivec_avg_pixels8_xy2_num, 1);
1774
#endif /* ALTIVEC_USE_REFERENCE_C_CODE */
added
removed
adm_lavcodec/ppc/dsputil_altivec.c
