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dsputil_rnd_template.c
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1 /*
2  * DSP utils mmx functions are compiled twice for rnd/no_rnd
3  * Copyright (c) 2000, 2001 Fabrice Bellard
4  * Copyright (c) 2003-2004 Michael Niedermayer <michaelni@gmx.at>
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 // put_pixels
28 static void DEF(put, pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
29 {
30  MOVQ_BFE(mm6);
31  __asm__ volatile(
32  "lea (%3, %3), %%"REG_a" \n\t"
33  ".p2align 3 \n\t"
34  "1: \n\t"
35  "movq (%1), %%mm0 \n\t"
36  "movq 1(%1), %%mm1 \n\t"
37  "movq (%1, %3), %%mm2 \n\t"
38  "movq 1(%1, %3), %%mm3 \n\t"
39  PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
40  "movq %%mm4, (%2) \n\t"
41  "movq %%mm5, (%2, %3) \n\t"
42  "add %%"REG_a", %1 \n\t"
43  "add %%"REG_a", %2 \n\t"
44  "movq (%1), %%mm0 \n\t"
45  "movq 1(%1), %%mm1 \n\t"
46  "movq (%1, %3), %%mm2 \n\t"
47  "movq 1(%1, %3), %%mm3 \n\t"
48  PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
49  "movq %%mm4, (%2) \n\t"
50  "movq %%mm5, (%2, %3) \n\t"
51  "add %%"REG_a", %1 \n\t"
52  "add %%"REG_a", %2 \n\t"
53  "subl $4, %0 \n\t"
54  "jnz 1b \n\t"
55  :"+g"(h), "+S"(pixels), "+D"(block)
56  :"r"((x86_reg)line_size)
57  :REG_a, "memory");
58 }
59 
60 static void av_unused DEF(put, pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
61 {
62  MOVQ_BFE(mm6);
63  __asm__ volatile(
64  "testl $1, %0 \n\t"
65  " jz 1f \n\t"
66  "movq (%1), %%mm0 \n\t"
67  "movq (%2), %%mm1 \n\t"
68  "add %4, %1 \n\t"
69  "add $8, %2 \n\t"
70  PAVGB(%%mm0, %%mm1, %%mm4, %%mm6)
71  "movq %%mm4, (%3) \n\t"
72  "add %5, %3 \n\t"
73  "decl %0 \n\t"
74  ".p2align 3 \n\t"
75  "1: \n\t"
76  "movq (%1), %%mm0 \n\t"
77  "movq (%2), %%mm1 \n\t"
78  "add %4, %1 \n\t"
79  "movq (%1), %%mm2 \n\t"
80  "movq 8(%2), %%mm3 \n\t"
81  "add %4, %1 \n\t"
82  PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
83  "movq %%mm4, (%3) \n\t"
84  "add %5, %3 \n\t"
85  "movq %%mm5, (%3) \n\t"
86  "add %5, %3 \n\t"
87  "movq (%1), %%mm0 \n\t"
88  "movq 16(%2), %%mm1 \n\t"
89  "add %4, %1 \n\t"
90  "movq (%1), %%mm2 \n\t"
91  "movq 24(%2), %%mm3 \n\t"
92  "add %4, %1 \n\t"
93  "add $32, %2 \n\t"
94  PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
95  "movq %%mm4, (%3) \n\t"
96  "add %5, %3 \n\t"
97  "movq %%mm5, (%3) \n\t"
98  "add %5, %3 \n\t"
99  "subl $4, %0 \n\t"
100  "jnz 1b \n\t"
101 #if !HAVE_EBX_AVAILABLE //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
102  :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
103 #else
104  :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
105 #endif
106  :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
107  :"memory");
108 }
109 
110 static void DEF(put, pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
111 {
112  MOVQ_BFE(mm6);
113  __asm__ volatile(
114  "lea (%3, %3), %%"REG_a" \n\t"
115  ".p2align 3 \n\t"
116  "1: \n\t"
117  "movq (%1), %%mm0 \n\t"
118  "movq 1(%1), %%mm1 \n\t"
119  "movq (%1, %3), %%mm2 \n\t"
120  "movq 1(%1, %3), %%mm3 \n\t"
121  PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
122  "movq %%mm4, (%2) \n\t"
123  "movq %%mm5, (%2, %3) \n\t"
124  "movq 8(%1), %%mm0 \n\t"
125  "movq 9(%1), %%mm1 \n\t"
126  "movq 8(%1, %3), %%mm2 \n\t"
127  "movq 9(%1, %3), %%mm3 \n\t"
128  PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
129  "movq %%mm4, 8(%2) \n\t"
130  "movq %%mm5, 8(%2, %3) \n\t"
131  "add %%"REG_a", %1 \n\t"
132  "add %%"REG_a", %2 \n\t"
133  "movq (%1), %%mm0 \n\t"
134  "movq 1(%1), %%mm1 \n\t"
135  "movq (%1, %3), %%mm2 \n\t"
136  "movq 1(%1, %3), %%mm3 \n\t"
137  PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
138  "movq %%mm4, (%2) \n\t"
139  "movq %%mm5, (%2, %3) \n\t"
140  "movq 8(%1), %%mm0 \n\t"
141  "movq 9(%1), %%mm1 \n\t"
142  "movq 8(%1, %3), %%mm2 \n\t"
143  "movq 9(%1, %3), %%mm3 \n\t"
144  PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
145  "movq %%mm4, 8(%2) \n\t"
146  "movq %%mm5, 8(%2, %3) \n\t"
147  "add %%"REG_a", %1 \n\t"
148  "add %%"REG_a", %2 \n\t"
149  "subl $4, %0 \n\t"
150  "jnz 1b \n\t"
151  :"+g"(h), "+S"(pixels), "+D"(block)
152  :"r"((x86_reg)line_size)
153  :REG_a, "memory");
154 }
155 
156 static void av_unused DEF(put, pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
157 {
158  MOVQ_BFE(mm6);
159  __asm__ volatile(
160  "testl $1, %0 \n\t"
161  " jz 1f \n\t"
162  "movq (%1), %%mm0 \n\t"
163  "movq (%2), %%mm1 \n\t"
164  "movq 8(%1), %%mm2 \n\t"
165  "movq 8(%2), %%mm3 \n\t"
166  "add %4, %1 \n\t"
167  "add $16, %2 \n\t"
168  PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
169  "movq %%mm4, (%3) \n\t"
170  "movq %%mm5, 8(%3) \n\t"
171  "add %5, %3 \n\t"
172  "decl %0 \n\t"
173  ".p2align 3 \n\t"
174  "1: \n\t"
175  "movq (%1), %%mm0 \n\t"
176  "movq (%2), %%mm1 \n\t"
177  "movq 8(%1), %%mm2 \n\t"
178  "movq 8(%2), %%mm3 \n\t"
179  "add %4, %1 \n\t"
180  PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
181  "movq %%mm4, (%3) \n\t"
182  "movq %%mm5, 8(%3) \n\t"
183  "add %5, %3 \n\t"
184  "movq (%1), %%mm0 \n\t"
185  "movq 16(%2), %%mm1 \n\t"
186  "movq 8(%1), %%mm2 \n\t"
187  "movq 24(%2), %%mm3 \n\t"
188  "add %4, %1 \n\t"
189  PAVGBP(%%mm0, %%mm1, %%mm4, %%mm2, %%mm3, %%mm5)
190  "movq %%mm4, (%3) \n\t"
191  "movq %%mm5, 8(%3) \n\t"
192  "add %5, %3 \n\t"
193  "add $32, %2 \n\t"
194  "subl $2, %0 \n\t"
195  "jnz 1b \n\t"
196 #if !HAVE_EBX_AVAILABLE //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
197  :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
198 #else
199  :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
200 #endif
201  :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
202  :"memory");
203 }
204 
205 static void DEF(put, pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
206 {
207  MOVQ_BFE(mm6);
208  __asm__ volatile(
209  "lea (%3, %3), %%"REG_a" \n\t"
210  "movq (%1), %%mm0 \n\t"
211  ".p2align 3 \n\t"
212  "1: \n\t"
213  "movq (%1, %3), %%mm1 \n\t"
214  "movq (%1, %%"REG_a"),%%mm2 \n\t"
215  PAVGBP(%%mm1, %%mm0, %%mm4, %%mm2, %%mm1, %%mm5)
216  "movq %%mm4, (%2) \n\t"
217  "movq %%mm5, (%2, %3) \n\t"
218  "add %%"REG_a", %1 \n\t"
219  "add %%"REG_a", %2 \n\t"
220  "movq (%1, %3), %%mm1 \n\t"
221  "movq (%1, %%"REG_a"),%%mm0 \n\t"
222  PAVGBP(%%mm1, %%mm2, %%mm4, %%mm0, %%mm1, %%mm5)
223  "movq %%mm4, (%2) \n\t"
224  "movq %%mm5, (%2, %3) \n\t"
225  "add %%"REG_a", %1 \n\t"
226  "add %%"REG_a", %2 \n\t"
227  "subl $4, %0 \n\t"
228  "jnz 1b \n\t"
229  :"+g"(h), "+S"(pixels), "+D"(block)
230  :"r"((x86_reg)line_size)
231  :REG_a, "memory");
232 }
233 
234 static void DEF(put, pixels8_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
235 {
236  MOVQ_ZERO(mm7);
237  SET_RND(mm6); // =2 for rnd and =1 for no_rnd version
238  __asm__ volatile(
239  "movq (%1), %%mm0 \n\t"
240  "movq 1(%1), %%mm4 \n\t"
241  "movq %%mm0, %%mm1 \n\t"
242  "movq %%mm4, %%mm5 \n\t"
243  "punpcklbw %%mm7, %%mm0 \n\t"
244  "punpcklbw %%mm7, %%mm4 \n\t"
245  "punpckhbw %%mm7, %%mm1 \n\t"
246  "punpckhbw %%mm7, %%mm5 \n\t"
247  "paddusw %%mm0, %%mm4 \n\t"
248  "paddusw %%mm1, %%mm5 \n\t"
249  "xor %%"REG_a", %%"REG_a" \n\t"
250  "add %3, %1 \n\t"
251  ".p2align 3 \n\t"
252  "1: \n\t"
253  "movq (%1, %%"REG_a"), %%mm0 \n\t"
254  "movq 1(%1, %%"REG_a"), %%mm2 \n\t"
255  "movq %%mm0, %%mm1 \n\t"
256  "movq %%mm2, %%mm3 \n\t"
257  "punpcklbw %%mm7, %%mm0 \n\t"
258  "punpcklbw %%mm7, %%mm2 \n\t"
259  "punpckhbw %%mm7, %%mm1 \n\t"
260  "punpckhbw %%mm7, %%mm3 \n\t"
261  "paddusw %%mm2, %%mm0 \n\t"
262  "paddusw %%mm3, %%mm1 \n\t"
263  "paddusw %%mm6, %%mm4 \n\t"
264  "paddusw %%mm6, %%mm5 \n\t"
265  "paddusw %%mm0, %%mm4 \n\t"
266  "paddusw %%mm1, %%mm5 \n\t"
267  "psrlw $2, %%mm4 \n\t"
268  "psrlw $2, %%mm5 \n\t"
269  "packuswb %%mm5, %%mm4 \n\t"
270  "movq %%mm4, (%2, %%"REG_a") \n\t"
271  "add %3, %%"REG_a" \n\t"
272 
273  "movq (%1, %%"REG_a"), %%mm2 \n\t" // 0 <-> 2 1 <-> 3
274  "movq 1(%1, %%"REG_a"), %%mm4 \n\t"
275  "movq %%mm2, %%mm3 \n\t"
276  "movq %%mm4, %%mm5 \n\t"
277  "punpcklbw %%mm7, %%mm2 \n\t"
278  "punpcklbw %%mm7, %%mm4 \n\t"
279  "punpckhbw %%mm7, %%mm3 \n\t"
280  "punpckhbw %%mm7, %%mm5 \n\t"
281  "paddusw %%mm2, %%mm4 \n\t"
282  "paddusw %%mm3, %%mm5 \n\t"
283  "paddusw %%mm6, %%mm0 \n\t"
284  "paddusw %%mm6, %%mm1 \n\t"
285  "paddusw %%mm4, %%mm0 \n\t"
286  "paddusw %%mm5, %%mm1 \n\t"
287  "psrlw $2, %%mm0 \n\t"
288  "psrlw $2, %%mm1 \n\t"
289  "packuswb %%mm1, %%mm0 \n\t"
290  "movq %%mm0, (%2, %%"REG_a") \n\t"
291  "add %3, %%"REG_a" \n\t"
292 
293  "subl $2, %0 \n\t"
294  "jnz 1b \n\t"
295  :"+g"(h), "+S"(pixels)
296  :"D"(block), "r"((x86_reg)line_size)
297  :REG_a, "memory");
298 }
299 
300 // avg_pixels
301 static void av_unused DEF(avg, pixels4)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
302 {
303  MOVQ_BFE(mm6);
304  JUMPALIGN();
305  do {
306  __asm__ volatile(
307  "movd %0, %%mm0 \n\t"
308  "movd %1, %%mm1 \n\t"
309  OP_AVG(%%mm0, %%mm1, %%mm2, %%mm6)
310  "movd %%mm2, %0 \n\t"
311  :"+m"(*block)
312  :"m"(*pixels)
313  :"memory");
314  pixels += line_size;
315  block += line_size;
316  }
317  while (--h);
318 }
319 
320 // in case more speed is needed - unroling would certainly help
321 static void DEF(avg, pixels8)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
322 {
323  MOVQ_BFE(mm6);
324  JUMPALIGN();
325  do {
326  __asm__ volatile(
327  "movq %0, %%mm0 \n\t"
328  "movq %1, %%mm1 \n\t"
329  OP_AVG(%%mm0, %%mm1, %%mm2, %%mm6)
330  "movq %%mm2, %0 \n\t"
331  :"+m"(*block)
332  :"m"(*pixels)
333  :"memory");
334  pixels += line_size;
335  block += line_size;
336  }
337  while (--h);
338 }
339 
340 static void DEF(avg, pixels16)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
341 {
342  MOVQ_BFE(mm6);
343  JUMPALIGN();
344  do {
345  __asm__ volatile(
346  "movq %0, %%mm0 \n\t"
347  "movq %1, %%mm1 \n\t"
348  OP_AVG(%%mm0, %%mm1, %%mm2, %%mm6)
349  "movq %%mm2, %0 \n\t"
350  "movq 8%0, %%mm0 \n\t"
351  "movq 8%1, %%mm1 \n\t"
352  OP_AVG(%%mm0, %%mm1, %%mm2, %%mm6)
353  "movq %%mm2, 8%0 \n\t"
354  :"+m"(*block)
355  :"m"(*pixels)
356  :"memory");
357  pixels += line_size;
358  block += line_size;
359  }
360  while (--h);
361 }
362 
363 static void DEF(avg, pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
364 {
365  MOVQ_BFE(mm6);
366  JUMPALIGN();
367  do {
368  __asm__ volatile(
369  "movq %1, %%mm0 \n\t"
370  "movq 1%1, %%mm1 \n\t"
371  "movq %0, %%mm3 \n\t"
372  PAVGB(%%mm0, %%mm1, %%mm2, %%mm6)
373  OP_AVG(%%mm3, %%mm2, %%mm0, %%mm6)
374  "movq %%mm0, %0 \n\t"
375  :"+m"(*block)
376  :"m"(*pixels)
377  :"memory");
378  pixels += line_size;
379  block += line_size;
380  } while (--h);
381 }
382 
383 static av_unused void DEF(avg, pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
384 {
385  MOVQ_BFE(mm6);
386  JUMPALIGN();
387  do {
388  __asm__ volatile(
389  "movq %1, %%mm0 \n\t"
390  "movq %2, %%mm1 \n\t"
391  "movq %0, %%mm3 \n\t"
392  PAVGB(%%mm0, %%mm1, %%mm2, %%mm6)
393  OP_AVG(%%mm3, %%mm2, %%mm0, %%mm6)
394  "movq %%mm0, %0 \n\t"
395  :"+m"(*dst)
396  :"m"(*src1), "m"(*src2)
397  :"memory");
398  dst += dstStride;
399  src1 += src1Stride;
400  src2 += 8;
401  } while (--h);
402 }
403 
404 static void DEF(avg, pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
405 {
406  MOVQ_BFE(mm6);
407  JUMPALIGN();
408  do {
409  __asm__ volatile(
410  "movq %1, %%mm0 \n\t"
411  "movq 1%1, %%mm1 \n\t"
412  "movq %0, %%mm3 \n\t"
413  PAVGB(%%mm0, %%mm1, %%mm2, %%mm6)
414  OP_AVG(%%mm3, %%mm2, %%mm0, %%mm6)
415  "movq %%mm0, %0 \n\t"
416  "movq 8%1, %%mm0 \n\t"
417  "movq 9%1, %%mm1 \n\t"
418  "movq 8%0, %%mm3 \n\t"
419  PAVGB(%%mm0, %%mm1, %%mm2, %%mm6)
420  OP_AVG(%%mm3, %%mm2, %%mm0, %%mm6)
421  "movq %%mm0, 8%0 \n\t"
422  :"+m"(*block)
423  :"m"(*pixels)
424  :"memory");
425  pixels += line_size;
426  block += line_size;
427  } while (--h);
428 }
429 
430 static av_unused void DEF(avg, pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
431 {
432  MOVQ_BFE(mm6);
433  JUMPALIGN();
434  do {
435  __asm__ volatile(
436  "movq %1, %%mm0 \n\t"
437  "movq %2, %%mm1 \n\t"
438  "movq %0, %%mm3 \n\t"
439  PAVGB(%%mm0, %%mm1, %%mm2, %%mm6)
440  OP_AVG(%%mm3, %%mm2, %%mm0, %%mm6)
441  "movq %%mm0, %0 \n\t"
442  "movq 8%1, %%mm0 \n\t"
443  "movq 8%2, %%mm1 \n\t"
444  "movq 8%0, %%mm3 \n\t"
445  PAVGB(%%mm0, %%mm1, %%mm2, %%mm6)
446  OP_AVG(%%mm3, %%mm2, %%mm0, %%mm6)
447  "movq %%mm0, 8%0 \n\t"
448  :"+m"(*dst)
449  :"m"(*src1), "m"(*src2)
450  :"memory");
451  dst += dstStride;
452  src1 += src1Stride;
453  src2 += 16;
454  } while (--h);
455 }
456 
457 static void DEF(avg, pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
458 {
459  MOVQ_BFE(mm6);
460  __asm__ volatile(
461  "lea (%3, %3), %%"REG_a" \n\t"
462  "movq (%1), %%mm0 \n\t"
463  ".p2align 3 \n\t"
464  "1: \n\t"
465  "movq (%1, %3), %%mm1 \n\t"
466  "movq (%1, %%"REG_a"), %%mm2 \n\t"
467  PAVGBP(%%mm1, %%mm0, %%mm4, %%mm2, %%mm1, %%mm5)
468  "movq (%2), %%mm3 \n\t"
469  OP_AVG(%%mm3, %%mm4, %%mm0, %%mm6)
470  "movq (%2, %3), %%mm3 \n\t"
471  OP_AVG(%%mm3, %%mm5, %%mm1, %%mm6)
472  "movq %%mm0, (%2) \n\t"
473  "movq %%mm1, (%2, %3) \n\t"
474  "add %%"REG_a", %1 \n\t"
475  "add %%"REG_a", %2 \n\t"
476 
477  "movq (%1, %3), %%mm1 \n\t"
478  "movq (%1, %%"REG_a"), %%mm0 \n\t"
479  PAVGBP(%%mm1, %%mm2, %%mm4, %%mm0, %%mm1, %%mm5)
480  "movq (%2), %%mm3 \n\t"
481  OP_AVG(%%mm3, %%mm4, %%mm2, %%mm6)
482  "movq (%2, %3), %%mm3 \n\t"
483  OP_AVG(%%mm3, %%mm5, %%mm1, %%mm6)
484  "movq %%mm2, (%2) \n\t"
485  "movq %%mm1, (%2, %3) \n\t"
486  "add %%"REG_a", %1 \n\t"
487  "add %%"REG_a", %2 \n\t"
488 
489  "subl $4, %0 \n\t"
490  "jnz 1b \n\t"
491  :"+g"(h), "+S"(pixels), "+D"(block)
492  :"r"((x86_reg)line_size)
493  :REG_a, "memory");
494 }
495 
496 // this routine is 'slightly' suboptimal but mostly unused
497 static void DEF(avg, pixels8_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
498 {
499  MOVQ_ZERO(mm7);
500  SET_RND(mm6); // =2 for rnd and =1 for no_rnd version
501  __asm__ volatile(
502  "movq (%1), %%mm0 \n\t"
503  "movq 1(%1), %%mm4 \n\t"
504  "movq %%mm0, %%mm1 \n\t"
505  "movq %%mm4, %%mm5 \n\t"
506  "punpcklbw %%mm7, %%mm0 \n\t"
507  "punpcklbw %%mm7, %%mm4 \n\t"
508  "punpckhbw %%mm7, %%mm1 \n\t"
509  "punpckhbw %%mm7, %%mm5 \n\t"
510  "paddusw %%mm0, %%mm4 \n\t"
511  "paddusw %%mm1, %%mm5 \n\t"
512  "xor %%"REG_a", %%"REG_a" \n\t"
513  "add %3, %1 \n\t"
514  ".p2align 3 \n\t"
515  "1: \n\t"
516  "movq (%1, %%"REG_a"), %%mm0 \n\t"
517  "movq 1(%1, %%"REG_a"), %%mm2 \n\t"
518  "movq %%mm0, %%mm1 \n\t"
519  "movq %%mm2, %%mm3 \n\t"
520  "punpcklbw %%mm7, %%mm0 \n\t"
521  "punpcklbw %%mm7, %%mm2 \n\t"
522  "punpckhbw %%mm7, %%mm1 \n\t"
523  "punpckhbw %%mm7, %%mm3 \n\t"
524  "paddusw %%mm2, %%mm0 \n\t"
525  "paddusw %%mm3, %%mm1 \n\t"
526  "paddusw %%mm6, %%mm4 \n\t"
527  "paddusw %%mm6, %%mm5 \n\t"
528  "paddusw %%mm0, %%mm4 \n\t"
529  "paddusw %%mm1, %%mm5 \n\t"
530  "psrlw $2, %%mm4 \n\t"
531  "psrlw $2, %%mm5 \n\t"
532  "movq (%2, %%"REG_a"), %%mm3 \n\t"
533  "packuswb %%mm5, %%mm4 \n\t"
534  "pcmpeqd %%mm2, %%mm2 \n\t"
535  "paddb %%mm2, %%mm2 \n\t"
536  OP_AVG(%%mm3, %%mm4, %%mm5, %%mm2)
537  "movq %%mm5, (%2, %%"REG_a") \n\t"
538  "add %3, %%"REG_a" \n\t"
539 
540  "movq (%1, %%"REG_a"), %%mm2 \n\t" // 0 <-> 2 1 <-> 3
541  "movq 1(%1, %%"REG_a"), %%mm4 \n\t"
542  "movq %%mm2, %%mm3 \n\t"
543  "movq %%mm4, %%mm5 \n\t"
544  "punpcklbw %%mm7, %%mm2 \n\t"
545  "punpcklbw %%mm7, %%mm4 \n\t"
546  "punpckhbw %%mm7, %%mm3 \n\t"
547  "punpckhbw %%mm7, %%mm5 \n\t"
548  "paddusw %%mm2, %%mm4 \n\t"
549  "paddusw %%mm3, %%mm5 \n\t"
550  "paddusw %%mm6, %%mm0 \n\t"
551  "paddusw %%mm6, %%mm1 \n\t"
552  "paddusw %%mm4, %%mm0 \n\t"
553  "paddusw %%mm5, %%mm1 \n\t"
554  "psrlw $2, %%mm0 \n\t"
555  "psrlw $2, %%mm1 \n\t"
556  "movq (%2, %%"REG_a"), %%mm3 \n\t"
557  "packuswb %%mm1, %%mm0 \n\t"
558  "pcmpeqd %%mm2, %%mm2 \n\t"
559  "paddb %%mm2, %%mm2 \n\t"
560  OP_AVG(%%mm3, %%mm0, %%mm1, %%mm2)
561  "movq %%mm1, (%2, %%"REG_a") \n\t"
562  "add %3, %%"REG_a" \n\t"
563 
564  "subl $2, %0 \n\t"
565  "jnz 1b \n\t"
566  :"+g"(h), "+S"(pixels)
567  :"D"(block), "r"((x86_reg)line_size)
568  :REG_a, "memory");
569 }
570 
571 //FIXME optimize
572 static void DEF(put, pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
573  DEF(put, pixels8_y2)(block , pixels , line_size, h);
574  DEF(put, pixels8_y2)(block+8, pixels+8, line_size, h);
575 }
576 
577 static void DEF(put, pixels16_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
578  DEF(put, pixels8_xy2)(block , pixels , line_size, h);
579  DEF(put, pixels8_xy2)(block+8, pixels+8, line_size, h);
580 }
581 
582 static void DEF(avg, pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
583  DEF(avg, pixels8_y2)(block , pixels , line_size, h);
584  DEF(avg, pixels8_y2)(block+8, pixels+8, line_size, h);
585 }
586 
587 static void DEF(avg, pixels16_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
588  DEF(avg, pixels8_xy2)(block , pixels , line_size, h);
589  DEF(avg, pixels8_xy2)(block+8, pixels+8, line_size, h);
590 }
Generated on Sat May 25 2013 03:58:43 for FFmpeg by   doxygen 1.8.2