Convert asm keyword into __asm__.
[ffmpeg.git] / libavcodec / i386 / snowdsp_mmx.c
1 /*
2  * MMX and SSE2 optimized snow DSP utils
3  * Copyright (c) 2005-2006 Robert Edele <yartrebo@earthlink.net>
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21
22 #include "libavutil/x86_cpu.h"
23 #include "libavcodec/avcodec.h"
24 #include "libavcodec/snow.h"
25
26 void ff_snow_horizontal_compose97i_sse2(IDWTELEM *b, int width){
27     const int w2= (width+1)>>1;
28     DECLARE_ALIGNED_16(IDWTELEM, temp[width>>1]);
29     const int w_l= (width>>1);
30     const int w_r= w2 - 1;
31     int i;
32
33     { // Lift 0
34         IDWTELEM * const ref = b + w2 - 1;
35         IDWTELEM b_0 = b[0]; //By allowing the first entry in b[0] to be calculated twice
36         // (the first time erroneously), we allow the SSE2 code to run an extra pass.
37         // The savings in code and time are well worth having to store this value and
38         // calculate b[0] correctly afterwards.
39
40         i = 0;
41         __asm__ volatile(
42             "pcmpeqd   %%xmm7, %%xmm7         \n\t"
43             "pcmpeqd   %%xmm3, %%xmm3         \n\t"
44             "psllw         $1, %%xmm3         \n\t"
45             "paddw     %%xmm7, %%xmm3         \n\t"
46             "psllw        $13, %%xmm3         \n\t"
47         ::);
48         for(; i<w_l-15; i+=16){
49             __asm__ volatile(
50                 "movdqu   (%1), %%xmm1        \n\t"
51                 "movdqu 16(%1), %%xmm5        \n\t"
52                 "movdqu  2(%1), %%xmm2        \n\t"
53                 "movdqu 18(%1), %%xmm6        \n\t"
54                 "paddw  %%xmm1, %%xmm2        \n\t"
55                 "paddw  %%xmm5, %%xmm6        \n\t"
56                 "paddw  %%xmm7, %%xmm2        \n\t"
57                 "paddw  %%xmm7, %%xmm6        \n\t"
58                 "pmulhw %%xmm3, %%xmm2        \n\t"
59                 "pmulhw %%xmm3, %%xmm6        \n\t"
60                 "paddw    (%0), %%xmm2        \n\t"
61                 "paddw  16(%0), %%xmm6        \n\t"
62                 "movdqa %%xmm2, (%0)          \n\t"
63                 "movdqa %%xmm6, 16(%0)        \n\t"
64                 :: "r"(&b[i]), "r"(&ref[i])
65                 : "memory"
66             );
67         }
68         snow_horizontal_compose_lift_lead_out(i, b, b, ref, width, w_l, 0, W_DM, W_DO, W_DS);
69         b[0] = b_0 - ((W_DM * 2 * ref[1]+W_DO)>>W_DS);
70     }
71
72     { // Lift 1
73         IDWTELEM * const dst = b+w2;
74
75         i = 0;
76         for(; (((x86_reg)&dst[i]) & 0x1F) && i<w_r; i++){
77             dst[i] = dst[i] - (b[i] + b[i + 1]);
78         }
79         for(; i<w_r-15; i+=16){
80             __asm__ volatile(
81                 "movdqu   (%1), %%xmm1        \n\t"
82                 "movdqu 16(%1), %%xmm5        \n\t"
83                 "movdqu  2(%1), %%xmm2        \n\t"
84                 "movdqu 18(%1), %%xmm6        \n\t"
85                 "paddw  %%xmm1, %%xmm2        \n\t"
86                 "paddw  %%xmm5, %%xmm6        \n\t"
87                 "movdqa   (%0), %%xmm0        \n\t"
88                 "movdqa 16(%0), %%xmm4        \n\t"
89                 "psubw  %%xmm2, %%xmm0        \n\t"
90                 "psubw  %%xmm6, %%xmm4        \n\t"
91                 "movdqa %%xmm0, (%0)          \n\t"
92                 "movdqa %%xmm4, 16(%0)        \n\t"
93                 :: "r"(&dst[i]), "r"(&b[i])
94                 : "memory"
95             );
96         }
97         snow_horizontal_compose_lift_lead_out(i, dst, dst, b, width, w_r, 1, W_CM, W_CO, W_CS);
98     }
99
100     { // Lift 2
101         IDWTELEM * const ref = b+w2 - 1;
102         IDWTELEM b_0 = b[0];
103
104         i = 0;
105         __asm__ volatile(
106             "psllw         $15, %%xmm7        \n\t"
107             "pcmpeqw    %%xmm6, %%xmm6        \n\t"
108             "psrlw         $13, %%xmm6        \n\t"
109             "paddw      %%xmm7, %%xmm6        \n\t"
110         ::);
111         for(; i<w_l-15; i+=16){
112             __asm__ volatile(
113                 "movdqu   (%1), %%xmm0        \n\t"
114                 "movdqu 16(%1), %%xmm4        \n\t"
115                 "movdqu  2(%1), %%xmm1        \n\t"
116                 "movdqu 18(%1), %%xmm5        \n\t" //FIXME try aligned reads and shifts
117                 "paddw  %%xmm6, %%xmm0        \n\t"
118                 "paddw  %%xmm6, %%xmm4        \n\t"
119                 "paddw  %%xmm7, %%xmm1        \n\t"
120                 "paddw  %%xmm7, %%xmm5        \n\t"
121                 "pavgw  %%xmm1, %%xmm0        \n\t"
122                 "pavgw  %%xmm5, %%xmm4        \n\t"
123                 "psubw  %%xmm7, %%xmm0        \n\t"
124                 "psubw  %%xmm7, %%xmm4        \n\t"
125                 "psraw      $1, %%xmm0        \n\t"
126                 "psraw      $1, %%xmm4        \n\t"
127                 "movdqa   (%0), %%xmm1        \n\t"
128                 "movdqa 16(%0), %%xmm5        \n\t"
129                 "paddw  %%xmm1, %%xmm0        \n\t"
130                 "paddw  %%xmm5, %%xmm4        \n\t"
131                 "psraw      $2, %%xmm0        \n\t"
132                 "psraw      $2, %%xmm4        \n\t"
133                 "paddw  %%xmm1, %%xmm0        \n\t"
134                 "paddw  %%xmm5, %%xmm4        \n\t"
135                 "movdqa %%xmm0, (%0)          \n\t"
136                 "movdqa %%xmm4, 16(%0)        \n\t"
137                 :: "r"(&b[i]), "r"(&ref[i])
138                 : "memory"
139             );
140         }
141         snow_horizontal_compose_liftS_lead_out(i, b, b, ref, width, w_l);
142         b[0] = b_0 + ((2 * ref[1] + W_BO-1 + 4 * b_0) >> W_BS);
143     }
144
145     { // Lift 3
146         IDWTELEM * const src = b+w2;
147
148         i = 0;
149         for(; (((x86_reg)&temp[i]) & 0x1F) && i<w_r; i++){
150             temp[i] = src[i] - ((-W_AM*(b[i] + b[i+1]))>>W_AS);
151         }
152         for(; i<w_r-7; i+=8){
153             __asm__ volatile(
154                 "movdqu  2(%1), %%xmm2        \n\t"
155                 "movdqu 18(%1), %%xmm6        \n\t"
156                 "paddw    (%1), %%xmm2        \n\t"
157                 "paddw  16(%1), %%xmm6        \n\t"
158                 "movdqu   (%0), %%xmm0        \n\t"
159                 "movdqu 16(%0), %%xmm4        \n\t"
160                 "paddw  %%xmm2, %%xmm0        \n\t"
161                 "paddw  %%xmm6, %%xmm4        \n\t"
162                 "psraw      $1, %%xmm2        \n\t"
163                 "psraw      $1, %%xmm6        \n\t"
164                 "paddw  %%xmm0, %%xmm2        \n\t"
165                 "paddw  %%xmm4, %%xmm6        \n\t"
166                 "movdqa %%xmm2, (%2)          \n\t"
167                 "movdqa %%xmm6, 16(%2)        \n\t"
168                 :: "r"(&src[i]), "r"(&b[i]), "r"(&temp[i])
169                  : "memory"
170                );
171         }
172         snow_horizontal_compose_lift_lead_out(i, temp, src, b, width, w_r, 1, -W_AM, W_AO+1, W_AS);
173     }
174
175     {
176         snow_interleave_line_header(&i, width, b, temp);
177
178         for (; (i & 0x3E) != 0x3E; i-=2){
179             b[i+1] = temp[i>>1];
180             b[i] = b[i>>1];
181         }
182         for (i-=62; i>=0; i-=64){
183             __asm__ volatile(
184                 "movdqa      (%1), %%xmm0       \n\t"
185                 "movdqa    16(%1), %%xmm2       \n\t"
186                 "movdqa    32(%1), %%xmm4       \n\t"
187                 "movdqa    48(%1), %%xmm6       \n\t"
188                 "movdqa      (%1), %%xmm1       \n\t"
189                 "movdqa    16(%1), %%xmm3       \n\t"
190                 "movdqa    32(%1), %%xmm5       \n\t"
191                 "movdqa    48(%1), %%xmm7       \n\t"
192                 "punpcklwd   (%2), %%xmm0       \n\t"
193                 "punpcklwd 16(%2), %%xmm2       \n\t"
194                 "punpcklwd 32(%2), %%xmm4       \n\t"
195                 "punpcklwd 48(%2), %%xmm6       \n\t"
196                 "movdqa    %%xmm0, (%0)         \n\t"
197                 "movdqa    %%xmm2, 32(%0)       \n\t"
198                 "movdqa    %%xmm4, 64(%0)       \n\t"
199                 "movdqa    %%xmm6, 96(%0)       \n\t"
200                 "punpckhwd   (%2), %%xmm1       \n\t"
201                 "punpckhwd 16(%2), %%xmm3       \n\t"
202                 "punpckhwd 32(%2), %%xmm5       \n\t"
203                 "punpckhwd 48(%2), %%xmm7       \n\t"
204                 "movdqa    %%xmm1, 16(%0)       \n\t"
205                 "movdqa    %%xmm3, 48(%0)       \n\t"
206                 "movdqa    %%xmm5, 80(%0)       \n\t"
207                 "movdqa    %%xmm7, 112(%0)      \n\t"
208                 :: "r"(&(b)[i]), "r"(&(b)[i>>1]), "r"(&(temp)[i>>1])
209                  : "memory"
210                );
211         }
212     }
213 }
214
215 void ff_snow_horizontal_compose97i_mmx(IDWTELEM *b, int width){
216     const int w2= (width+1)>>1;
217     IDWTELEM temp[width >> 1];
218     const int w_l= (width>>1);
219     const int w_r= w2 - 1;
220     int i;
221
222     { // Lift 0
223         IDWTELEM * const ref = b + w2 - 1;
224
225         i = 1;
226         b[0] = b[0] - ((W_DM * 2 * ref[1]+W_DO)>>W_DS);
227         __asm__ volatile(
228             "pcmpeqw    %%mm7, %%mm7         \n\t"
229             "pcmpeqw    %%mm3, %%mm3         \n\t"
230             "psllw         $1, %%mm3         \n\t"
231             "paddw      %%mm7, %%mm3         \n\t"
232             "psllw        $13, %%mm3         \n\t"
233            ::);
234         for(; i<w_l-7; i+=8){
235             __asm__ volatile(
236                 "movq     (%1), %%mm2        \n\t"
237                 "movq    8(%1), %%mm6        \n\t"
238                 "paddw   2(%1), %%mm2        \n\t"
239                 "paddw  10(%1), %%mm6        \n\t"
240                 "paddw   %%mm7, %%mm2        \n\t"
241                 "paddw   %%mm7, %%mm6        \n\t"
242                 "pmulhw  %%mm3, %%mm2        \n\t"
243                 "pmulhw  %%mm3, %%mm6        \n\t"
244                 "paddw    (%0), %%mm2        \n\t"
245                 "paddw   8(%0), %%mm6        \n\t"
246                 "movq    %%mm2, (%0)         \n\t"
247                 "movq    %%mm6, 8(%0)        \n\t"
248                 :: "r"(&b[i]), "r"(&ref[i])
249                  : "memory"
250                );
251         }
252         snow_horizontal_compose_lift_lead_out(i, b, b, ref, width, w_l, 0, W_DM, W_DO, W_DS);
253     }
254
255     { // Lift 1
256         IDWTELEM * const dst = b+w2;
257
258         i = 0;
259         for(; i<w_r-7; i+=8){
260             __asm__ volatile(
261                 "movq     (%1), %%mm2        \n\t"
262                 "movq    8(%1), %%mm6        \n\t"
263                 "paddw   2(%1), %%mm2        \n\t"
264                 "paddw  10(%1), %%mm6        \n\t"
265                 "movq     (%0), %%mm0        \n\t"
266                 "movq    8(%0), %%mm4        \n\t"
267                 "psubw   %%mm2, %%mm0        \n\t"
268                 "psubw   %%mm6, %%mm4        \n\t"
269                 "movq    %%mm0, (%0)         \n\t"
270                 "movq    %%mm4, 8(%0)        \n\t"
271                 :: "r"(&dst[i]), "r"(&b[i])
272                  : "memory"
273                );
274         }
275         snow_horizontal_compose_lift_lead_out(i, dst, dst, b, width, w_r, 1, W_CM, W_CO, W_CS);
276     }
277
278     { // Lift 2
279         IDWTELEM * const ref = b+w2 - 1;
280
281         i = 1;
282         b[0] = b[0] + (((2 * ref[1] + W_BO) + 4 * b[0]) >> W_BS);
283         __asm__ volatile(
284             "psllw         $15, %%mm7        \n\t"
285             "pcmpeqw     %%mm6, %%mm6        \n\t"
286             "psrlw         $13, %%mm6        \n\t"
287             "paddw       %%mm7, %%mm6        \n\t"
288            ::);
289         for(; i<w_l-7; i+=8){
290             __asm__ volatile(
291                 "movq     (%1), %%mm0        \n\t"
292                 "movq    8(%1), %%mm4        \n\t"
293                 "movq    2(%1), %%mm1        \n\t"
294                 "movq   10(%1), %%mm5        \n\t"
295                 "paddw   %%mm6, %%mm0        \n\t"
296                 "paddw   %%mm6, %%mm4        \n\t"
297                 "paddw   %%mm7, %%mm1        \n\t"
298                 "paddw   %%mm7, %%mm5        \n\t"
299                 "pavgw   %%mm1, %%mm0        \n\t"
300                 "pavgw   %%mm5, %%mm4        \n\t"
301                 "psubw   %%mm7, %%mm0        \n\t"
302                 "psubw   %%mm7, %%mm4        \n\t"
303                 "psraw      $1, %%mm0        \n\t"
304                 "psraw      $1, %%mm4        \n\t"
305                 "movq     (%0), %%mm1        \n\t"
306                 "movq    8(%0), %%mm5        \n\t"
307                 "paddw   %%mm1, %%mm0        \n\t"
308                 "paddw   %%mm5, %%mm4        \n\t"
309                 "psraw      $2, %%mm0        \n\t"
310                 "psraw      $2, %%mm4        \n\t"
311                 "paddw   %%mm1, %%mm0        \n\t"
312                 "paddw   %%mm5, %%mm4        \n\t"
313                 "movq    %%mm0, (%0)         \n\t"
314                 "movq    %%mm4, 8(%0)        \n\t"
315                 :: "r"(&b[i]), "r"(&ref[i])
316                  : "memory"
317                );
318         }
319         snow_horizontal_compose_liftS_lead_out(i, b, b, ref, width, w_l);
320     }
321
322     { // Lift 3
323         IDWTELEM * const src = b+w2;
324         i = 0;
325
326         for(; i<w_r-7; i+=8){
327             __asm__ volatile(
328                 "movq    2(%1), %%mm2        \n\t"
329                 "movq   10(%1), %%mm6        \n\t"
330                 "paddw    (%1), %%mm2        \n\t"
331                 "paddw   8(%1), %%mm6        \n\t"
332                 "movq     (%0), %%mm0        \n\t"
333                 "movq    8(%0), %%mm4        \n\t"
334                 "paddw   %%mm2, %%mm0        \n\t"
335                 "paddw   %%mm6, %%mm4        \n\t"
336                 "psraw      $1, %%mm2        \n\t"
337                 "psraw      $1, %%mm6        \n\t"
338                 "paddw   %%mm0, %%mm2        \n\t"
339                 "paddw   %%mm4, %%mm6        \n\t"
340                 "movq    %%mm2, (%2)         \n\t"
341                 "movq    %%mm6, 8(%2)        \n\t"
342                 :: "r"(&src[i]), "r"(&b[i]), "r"(&temp[i])
343                  : "memory"
344                );
345         }
346         snow_horizontal_compose_lift_lead_out(i, temp, src, b, width, w_r, 1, -W_AM, W_AO+1, W_AS);
347     }
348
349     {
350         snow_interleave_line_header(&i, width, b, temp);
351
352         for (; (i & 0x1E) != 0x1E; i-=2){
353             b[i+1] = temp[i>>1];
354             b[i] = b[i>>1];
355         }
356         for (i-=30; i>=0; i-=32){
357             __asm__ volatile(
358                 "movq        (%1), %%mm0       \n\t"
359                 "movq       8(%1), %%mm2       \n\t"
360                 "movq      16(%1), %%mm4       \n\t"
361                 "movq      24(%1), %%mm6       \n\t"
362                 "movq        (%1), %%mm1       \n\t"
363                 "movq       8(%1), %%mm3       \n\t"
364                 "movq      16(%1), %%mm5       \n\t"
365                 "movq      24(%1), %%mm7       \n\t"
366                 "punpcklwd   (%2), %%mm0       \n\t"
367                 "punpcklwd  8(%2), %%mm2       \n\t"
368                 "punpcklwd 16(%2), %%mm4       \n\t"
369                 "punpcklwd 24(%2), %%mm6       \n\t"
370                 "movq       %%mm0, (%0)        \n\t"
371                 "movq       %%mm2, 16(%0)      \n\t"
372                 "movq       %%mm4, 32(%0)      \n\t"
373                 "movq       %%mm6, 48(%0)      \n\t"
374                 "punpckhwd   (%2), %%mm1       \n\t"
375                 "punpckhwd  8(%2), %%mm3       \n\t"
376                 "punpckhwd 16(%2), %%mm5       \n\t"
377                 "punpckhwd 24(%2), %%mm7       \n\t"
378                 "movq       %%mm1, 8(%0)       \n\t"
379                 "movq       %%mm3, 24(%0)      \n\t"
380                 "movq       %%mm5, 40(%0)      \n\t"
381                 "movq       %%mm7, 56(%0)      \n\t"
382                 :: "r"(&b[i]), "r"(&b[i>>1]), "r"(&temp[i>>1])
383                  : "memory"
384                );
385         }
386     }
387 }
388
389 #ifdef HAVE_7REGS
390 #define snow_vertical_compose_sse2_load_add(op,r,t0,t1,t2,t3)\
391         ""op" ("r",%%"REG_d"), %%"t0"      \n\t"\
392         ""op" 16("r",%%"REG_d"), %%"t1"    \n\t"\
393         ""op" 32("r",%%"REG_d"), %%"t2"    \n\t"\
394         ""op" 48("r",%%"REG_d"), %%"t3"    \n\t"
395
396 #define snow_vertical_compose_sse2_load(r,t0,t1,t2,t3)\
397         snow_vertical_compose_sse2_load_add("movdqa",r,t0,t1,t2,t3)
398
399 #define snow_vertical_compose_sse2_add(r,t0,t1,t2,t3)\
400         snow_vertical_compose_sse2_load_add("paddw",r,t0,t1,t2,t3)
401
402 #define snow_vertical_compose_r2r_sub(s0,s1,s2,s3,t0,t1,t2,t3)\
403         "psubw %%"s0", %%"t0" \n\t"\
404         "psubw %%"s1", %%"t1" \n\t"\
405         "psubw %%"s2", %%"t2" \n\t"\
406         "psubw %%"s3", %%"t3" \n\t"
407
408 #define snow_vertical_compose_sse2_store(w,s0,s1,s2,s3)\
409         "movdqa %%"s0", ("w",%%"REG_d")      \n\t"\
410         "movdqa %%"s1", 16("w",%%"REG_d")    \n\t"\
411         "movdqa %%"s2", 32("w",%%"REG_d")    \n\t"\
412         "movdqa %%"s3", 48("w",%%"REG_d")    \n\t"
413
414 #define snow_vertical_compose_sra(n,t0,t1,t2,t3)\
415         "psraw $"n", %%"t0" \n\t"\
416         "psraw $"n", %%"t1" \n\t"\
417         "psraw $"n", %%"t2" \n\t"\
418         "psraw $"n", %%"t3" \n\t"
419
420 #define snow_vertical_compose_r2r_add(s0,s1,s2,s3,t0,t1,t2,t3)\
421         "paddw %%"s0", %%"t0" \n\t"\
422         "paddw %%"s1", %%"t1" \n\t"\
423         "paddw %%"s2", %%"t2" \n\t"\
424         "paddw %%"s3", %%"t3" \n\t"
425
426 #define snow_vertical_compose_r2r_pmulhw(s0,s1,s2,s3,t0,t1,t2,t3)\
427         "pmulhw %%"s0", %%"t0" \n\t"\
428         "pmulhw %%"s1", %%"t1" \n\t"\
429         "pmulhw %%"s2", %%"t2" \n\t"\
430         "pmulhw %%"s3", %%"t3" \n\t"
431
432 #define snow_vertical_compose_sse2_move(s0,s1,s2,s3,t0,t1,t2,t3)\
433         "movdqa %%"s0", %%"t0" \n\t"\
434         "movdqa %%"s1", %%"t1" \n\t"\
435         "movdqa %%"s2", %%"t2" \n\t"\
436         "movdqa %%"s3", %%"t3" \n\t"
437
438 void ff_snow_vertical_compose97i_sse2(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width){
439     x86_reg i = width;
440
441     while(i & 0x1F)
442     {
443         i--;
444         b4[i] -= (W_DM*(b3[i] + b5[i])+W_DO)>>W_DS;
445         b3[i] -= (W_CM*(b2[i] + b4[i])+W_CO)>>W_CS;
446         b2[i] += (W_BM*(b1[i] + b3[i])+4*b2[i]+W_BO)>>W_BS;
447         b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
448     }
449     i+=i;
450
451          __asm__ volatile (
452         "jmp 2f                                      \n\t"
453         "1:                                          \n\t"
454         snow_vertical_compose_sse2_load("%4","xmm0","xmm2","xmm4","xmm6")
455         snow_vertical_compose_sse2_add("%6","xmm0","xmm2","xmm4","xmm6")
456
457
458         "pcmpeqw    %%xmm0, %%xmm0                   \n\t"
459         "pcmpeqw    %%xmm2, %%xmm2                   \n\t"
460         "paddw      %%xmm2, %%xmm2                   \n\t"
461         "paddw      %%xmm0, %%xmm2                   \n\t"
462         "psllw         $13, %%xmm2                   \n\t"
463         snow_vertical_compose_r2r_add("xmm0","xmm0","xmm0","xmm0","xmm1","xmm3","xmm5","xmm7")
464         snow_vertical_compose_r2r_pmulhw("xmm2","xmm2","xmm2","xmm2","xmm1","xmm3","xmm5","xmm7")
465         snow_vertical_compose_sse2_add("%5","xmm1","xmm3","xmm5","xmm7")
466         snow_vertical_compose_sse2_store("%5","xmm1","xmm3","xmm5","xmm7")
467         snow_vertical_compose_sse2_load("%4","xmm0","xmm2","xmm4","xmm6")
468         snow_vertical_compose_sse2_add("%3","xmm1","xmm3","xmm5","xmm7")
469         snow_vertical_compose_r2r_sub("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6")
470         snow_vertical_compose_sse2_store("%4","xmm0","xmm2","xmm4","xmm6")
471
472         "pcmpeqw %%xmm7, %%xmm7                      \n\t"
473         "pcmpeqw %%xmm5, %%xmm5                      \n\t"
474         "psllw $15, %%xmm7                           \n\t"
475         "psrlw $13, %%xmm5                           \n\t"
476         "paddw %%xmm7, %%xmm5                        \n\t"
477         snow_vertical_compose_r2r_add("xmm5","xmm5","xmm5","xmm5","xmm0","xmm2","xmm4","xmm6")
478         "movq   (%2,%%"REG_d"), %%xmm1        \n\t"
479         "movq  8(%2,%%"REG_d"), %%xmm3        \n\t"
480         "paddw %%xmm7, %%xmm1                        \n\t"
481         "paddw %%xmm7, %%xmm3                        \n\t"
482         "pavgw %%xmm1, %%xmm0                        \n\t"
483         "pavgw %%xmm3, %%xmm2                        \n\t"
484         "movq 16(%2,%%"REG_d"), %%xmm1        \n\t"
485         "movq 24(%2,%%"REG_d"), %%xmm3        \n\t"
486         "paddw %%xmm7, %%xmm1                        \n\t"
487         "paddw %%xmm7, %%xmm3                        \n\t"
488         "pavgw %%xmm1, %%xmm4                        \n\t"
489         "pavgw %%xmm3, %%xmm6                        \n\t"
490         snow_vertical_compose_r2r_sub("xmm7","xmm7","xmm7","xmm7","xmm0","xmm2","xmm4","xmm6")
491         snow_vertical_compose_sra("1","xmm0","xmm2","xmm4","xmm6")
492         snow_vertical_compose_sse2_add("%3","xmm0","xmm2","xmm4","xmm6")
493
494         snow_vertical_compose_sra("2","xmm0","xmm2","xmm4","xmm6")
495         snow_vertical_compose_sse2_add("%3","xmm0","xmm2","xmm4","xmm6")
496         snow_vertical_compose_sse2_store("%3","xmm0","xmm2","xmm4","xmm6")
497         snow_vertical_compose_sse2_add("%1","xmm0","xmm2","xmm4","xmm6")
498         snow_vertical_compose_sse2_move("xmm0","xmm2","xmm4","xmm6","xmm1","xmm3","xmm5","xmm7")
499         snow_vertical_compose_sra("1","xmm0","xmm2","xmm4","xmm6")
500         snow_vertical_compose_r2r_add("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6")
501         snow_vertical_compose_sse2_add("%2","xmm0","xmm2","xmm4","xmm6")
502         snow_vertical_compose_sse2_store("%2","xmm0","xmm2","xmm4","xmm6")
503
504         "2:                                          \n\t"
505         "sub $64, %%"REG_d"                          \n\t"
506         "jge 1b                                      \n\t"
507         :"+d"(i)
508         :"r"(b0),"r"(b1),"r"(b2),"r"(b3),"r"(b4),"r"(b5));
509 }
510
511 #define snow_vertical_compose_mmx_load_add(op,r,t0,t1,t2,t3)\
512         ""op" ("r",%%"REG_d"), %%"t0"   \n\t"\
513         ""op" 8("r",%%"REG_d"), %%"t1"  \n\t"\
514         ""op" 16("r",%%"REG_d"), %%"t2" \n\t"\
515         ""op" 24("r",%%"REG_d"), %%"t3" \n\t"
516
517 #define snow_vertical_compose_mmx_load(r,t0,t1,t2,t3)\
518         snow_vertical_compose_mmx_load_add("movq",r,t0,t1,t2,t3)
519
520 #define snow_vertical_compose_mmx_add(r,t0,t1,t2,t3)\
521         snow_vertical_compose_mmx_load_add("paddw",r,t0,t1,t2,t3)
522
523 #define snow_vertical_compose_mmx_store(w,s0,s1,s2,s3)\
524         "movq %%"s0", ("w",%%"REG_d")   \n\t"\
525         "movq %%"s1", 8("w",%%"REG_d")  \n\t"\
526         "movq %%"s2", 16("w",%%"REG_d") \n\t"\
527         "movq %%"s3", 24("w",%%"REG_d") \n\t"
528
529 #define snow_vertical_compose_mmx_move(s0,s1,s2,s3,t0,t1,t2,t3)\
530         "movq %%"s0", %%"t0" \n\t"\
531         "movq %%"s1", %%"t1" \n\t"\
532         "movq %%"s2", %%"t2" \n\t"\
533         "movq %%"s3", %%"t3" \n\t"
534
535
536 void ff_snow_vertical_compose97i_mmx(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width){
537     x86_reg i = width;
538     while(i & 15)
539     {
540         i--;
541         b4[i] -= (W_DM*(b3[i] + b5[i])+W_DO)>>W_DS;
542         b3[i] -= (W_CM*(b2[i] + b4[i])+W_CO)>>W_CS;
543         b2[i] += (W_BM*(b1[i] + b3[i])+4*b2[i]+W_BO)>>W_BS;
544         b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
545     }
546     i+=i;
547     __asm__ volatile(
548         "jmp 2f                                      \n\t"
549         "1:                                          \n\t"
550
551         snow_vertical_compose_mmx_load("%4","mm1","mm3","mm5","mm7")
552         snow_vertical_compose_mmx_add("%6","mm1","mm3","mm5","mm7")
553         "pcmpeqw    %%mm0, %%mm0                     \n\t"
554         "pcmpeqw    %%mm2, %%mm2                     \n\t"
555         "paddw      %%mm2, %%mm2                     \n\t"
556         "paddw      %%mm0, %%mm2                     \n\t"
557         "psllw        $13, %%mm2                     \n\t"
558         snow_vertical_compose_r2r_add("mm0","mm0","mm0","mm0","mm1","mm3","mm5","mm7")
559         snow_vertical_compose_r2r_pmulhw("mm2","mm2","mm2","mm2","mm1","mm3","mm5","mm7")
560         snow_vertical_compose_mmx_add("%5","mm1","mm3","mm5","mm7")
561         snow_vertical_compose_mmx_store("%5","mm1","mm3","mm5","mm7")
562         snow_vertical_compose_mmx_load("%4","mm0","mm2","mm4","mm6")
563         snow_vertical_compose_mmx_add("%3","mm1","mm3","mm5","mm7")
564         snow_vertical_compose_r2r_sub("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6")
565         snow_vertical_compose_mmx_store("%4","mm0","mm2","mm4","mm6")
566         "pcmpeqw %%mm7, %%mm7                        \n\t"
567         "pcmpeqw %%mm5, %%mm5                        \n\t"
568         "psllw $15, %%mm7                            \n\t"
569         "psrlw $13, %%mm5                            \n\t"
570         "paddw %%mm7, %%mm5                          \n\t"
571         snow_vertical_compose_r2r_add("mm5","mm5","mm5","mm5","mm0","mm2","mm4","mm6")
572         "movq   (%2,%%"REG_d"), %%mm1         \n\t"
573         "movq  8(%2,%%"REG_d"), %%mm3         \n\t"
574         "paddw %%mm7, %%mm1                          \n\t"
575         "paddw %%mm7, %%mm3                          \n\t"
576         "pavgw %%mm1, %%mm0                          \n\t"
577         "pavgw %%mm3, %%mm2                          \n\t"
578         "movq 16(%2,%%"REG_d"), %%mm1         \n\t"
579         "movq 24(%2,%%"REG_d"), %%mm3         \n\t"
580         "paddw %%mm7, %%mm1                          \n\t"
581         "paddw %%mm7, %%mm3                          \n\t"
582         "pavgw %%mm1, %%mm4                          \n\t"
583         "pavgw %%mm3, %%mm6                          \n\t"
584         snow_vertical_compose_r2r_sub("mm7","mm7","mm7","mm7","mm0","mm2","mm4","mm6")
585         snow_vertical_compose_sra("1","mm0","mm2","mm4","mm6")
586         snow_vertical_compose_mmx_add("%3","mm0","mm2","mm4","mm6")
587
588         snow_vertical_compose_sra("2","mm0","mm2","mm4","mm6")
589         snow_vertical_compose_mmx_add("%3","mm0","mm2","mm4","mm6")
590         snow_vertical_compose_mmx_store("%3","mm0","mm2","mm4","mm6")
591         snow_vertical_compose_mmx_add("%1","mm0","mm2","mm4","mm6")
592         snow_vertical_compose_mmx_move("mm0","mm2","mm4","mm6","mm1","mm3","mm5","mm7")
593         snow_vertical_compose_sra("1","mm0","mm2","mm4","mm6")
594         snow_vertical_compose_r2r_add("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6")
595         snow_vertical_compose_mmx_add("%2","mm0","mm2","mm4","mm6")
596         snow_vertical_compose_mmx_store("%2","mm0","mm2","mm4","mm6")
597
598         "2:                                          \n\t"
599         "sub $32, %%"REG_d"                          \n\t"
600         "jge 1b                                      \n\t"
601         :"+d"(i)
602         :"r"(b0),"r"(b1),"r"(b2),"r"(b3),"r"(b4),"r"(b5));
603 }
604 #endif //HAVE_7REGS
605
606 #define snow_inner_add_yblock_sse2_header \
607     IDWTELEM * * dst_array = sb->line + src_y;\
608     x86_reg tmp;\
609     __asm__ volatile(\
610              "mov  %7, %%"REG_c"             \n\t"\
611              "mov  %6, %2                    \n\t"\
612              "mov  %4, %%"REG_S"             \n\t"\
613              "pxor %%xmm7, %%xmm7            \n\t" /* 0 */\
614              "pcmpeqd %%xmm3, %%xmm3         \n\t"\
615              "psllw $15, %%xmm3              \n\t"\
616              "psrlw $12, %%xmm3              \n\t" /* FRAC_BITS >> 1 */\
617              "1:                             \n\t"\
618              "mov %1, %%"REG_D"              \n\t"\
619              "mov (%%"REG_D"), %%"REG_D"     \n\t"\
620              "add %3, %%"REG_D"              \n\t"
621
622 #define snow_inner_add_yblock_sse2_start_8(out_reg1, out_reg2, ptr_offset, s_offset)\
623              "mov "PTR_SIZE"*"ptr_offset"(%%"REG_a"), %%"REG_d"; \n\t"\
624              "movq (%%"REG_d"), %%"out_reg1" \n\t"\
625              "movq (%%"REG_d", %%"REG_c"), %%"out_reg2" \n\t"\
626              "punpcklbw %%xmm7, %%"out_reg1" \n\t"\
627              "punpcklbw %%xmm7, %%"out_reg2" \n\t"\
628              "movq "s_offset"(%%"REG_S"), %%xmm0 \n\t"\
629              "movq "s_offset"+16(%%"REG_S"), %%xmm4 \n\t"\
630              "punpcklbw %%xmm7, %%xmm0       \n\t"\
631              "punpcklbw %%xmm7, %%xmm4       \n\t"\
632              "pmullw %%xmm0, %%"out_reg1"    \n\t"\
633              "pmullw %%xmm4, %%"out_reg2"    \n\t"
634
635 #define snow_inner_add_yblock_sse2_start_16(out_reg1, out_reg2, ptr_offset, s_offset)\
636              "mov "PTR_SIZE"*"ptr_offset"(%%"REG_a"), %%"REG_d"; \n\t"\
637              "movq (%%"REG_d"), %%"out_reg1" \n\t"\
638              "movq 8(%%"REG_d"), %%"out_reg2" \n\t"\
639              "punpcklbw %%xmm7, %%"out_reg1" \n\t"\
640              "punpcklbw %%xmm7, %%"out_reg2" \n\t"\
641              "movq "s_offset"(%%"REG_S"), %%xmm0 \n\t"\
642              "movq "s_offset"+8(%%"REG_S"), %%xmm4 \n\t"\
643              "punpcklbw %%xmm7, %%xmm0       \n\t"\
644              "punpcklbw %%xmm7, %%xmm4       \n\t"\
645              "pmullw %%xmm0, %%"out_reg1"    \n\t"\
646              "pmullw %%xmm4, %%"out_reg2"    \n\t"
647
648 #define snow_inner_add_yblock_sse2_accum_8(ptr_offset, s_offset) \
649              snow_inner_add_yblock_sse2_start_8("xmm2", "xmm6", ptr_offset, s_offset)\
650              "paddusw %%xmm2, %%xmm1         \n\t"\
651              "paddusw %%xmm6, %%xmm5         \n\t"
652
653 #define snow_inner_add_yblock_sse2_accum_16(ptr_offset, s_offset) \
654              snow_inner_add_yblock_sse2_start_16("xmm2", "xmm6", ptr_offset, s_offset)\
655              "paddusw %%xmm2, %%xmm1         \n\t"\
656              "paddusw %%xmm6, %%xmm5         \n\t"
657
658 #define snow_inner_add_yblock_sse2_end_common1\
659              "add $32, %%"REG_S"             \n\t"\
660              "add %%"REG_c", %0              \n\t"\
661              "add %%"REG_c", "PTR_SIZE"*3(%%"REG_a");\n\t"\
662              "add %%"REG_c", "PTR_SIZE"*2(%%"REG_a");\n\t"\
663              "add %%"REG_c", "PTR_SIZE"*1(%%"REG_a");\n\t"\
664              "add %%"REG_c", (%%"REG_a")     \n\t"
665
666 #define snow_inner_add_yblock_sse2_end_common2\
667              "jnz 1b                         \n\t"\
668              :"+m"(dst8),"+m"(dst_array),"=&r"(tmp)\
669              :\
670              "rm"((x86_reg)(src_x<<1)),"m"(obmc),"a"(block),"m"((x86_reg)b_h),"m"((x86_reg)src_stride):\
671              "%"REG_c"","%"REG_S"","%"REG_D"","%"REG_d"");
672
673 #define snow_inner_add_yblock_sse2_end_8\
674              "sal $1, %%"REG_c"              \n\t"\
675              "add $"PTR_SIZE"*2, %1          \n\t"\
676              snow_inner_add_yblock_sse2_end_common1\
677              "sar $1, %%"REG_c"              \n\t"\
678              "sub $2, %2                     \n\t"\
679              snow_inner_add_yblock_sse2_end_common2
680
681 #define snow_inner_add_yblock_sse2_end_16\
682              "add $"PTR_SIZE"*1, %1          \n\t"\
683              snow_inner_add_yblock_sse2_end_common1\
684              "dec %2                         \n\t"\
685              snow_inner_add_yblock_sse2_end_common2
686
687 static void inner_add_yblock_bw_8_obmc_16_bh_even_sse2(const uint8_t *obmc, const x86_reg obmc_stride, uint8_t * * block, int b_w, x86_reg b_h,
688                       int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){
689 snow_inner_add_yblock_sse2_header
690 snow_inner_add_yblock_sse2_start_8("xmm1", "xmm5", "3", "0")
691 snow_inner_add_yblock_sse2_accum_8("2", "8")
692 snow_inner_add_yblock_sse2_accum_8("1", "128")
693 snow_inner_add_yblock_sse2_accum_8("0", "136")
694
695              "mov %0, %%"REG_d"              \n\t"
696              "movdqa (%%"REG_D"), %%xmm0     \n\t"
697              "movdqa %%xmm1, %%xmm2          \n\t"
698
699              "punpckhwd %%xmm7, %%xmm1       \n\t"
700              "punpcklwd %%xmm7, %%xmm2       \n\t"
701              "paddd %%xmm2, %%xmm0           \n\t"
702              "movdqa 16(%%"REG_D"), %%xmm2   \n\t"
703              "paddd %%xmm1, %%xmm2           \n\t"
704              "paddd %%xmm3, %%xmm0           \n\t"
705              "paddd %%xmm3, %%xmm2           \n\t"
706
707              "mov %1, %%"REG_D"              \n\t"
708              "mov "PTR_SIZE"(%%"REG_D"), %%"REG_D";\n\t"
709              "add %3, %%"REG_D"              \n\t"
710
711              "movdqa (%%"REG_D"), %%xmm4     \n\t"
712              "movdqa %%xmm5, %%xmm6          \n\t"
713              "punpckhwd %%xmm7, %%xmm5       \n\t"
714              "punpcklwd %%xmm7, %%xmm6       \n\t"
715              "paddd %%xmm6, %%xmm4           \n\t"
716              "movdqa 16(%%"REG_D"), %%xmm6   \n\t"
717              "paddd %%xmm5, %%xmm6           \n\t"
718              "paddd %%xmm3, %%xmm4           \n\t"
719              "paddd %%xmm3, %%xmm6           \n\t"
720
721              "psrad $8, %%xmm0               \n\t" /* FRAC_BITS. */
722              "psrad $8, %%xmm2               \n\t" /* FRAC_BITS. */
723              "packssdw %%xmm2, %%xmm0        \n\t"
724              "packuswb %%xmm7, %%xmm0        \n\t"
725              "movq %%xmm0, (%%"REG_d")       \n\t"
726
727              "psrad $8, %%xmm4               \n\t" /* FRAC_BITS. */
728              "psrad $8, %%xmm6               \n\t" /* FRAC_BITS. */
729              "packssdw %%xmm6, %%xmm4        \n\t"
730              "packuswb %%xmm7, %%xmm4        \n\t"
731              "movq %%xmm4, (%%"REG_d",%%"REG_c");\n\t"
732 snow_inner_add_yblock_sse2_end_8
733 }
734
735 static void inner_add_yblock_bw_16_obmc_32_sse2(const uint8_t *obmc, const x86_reg obmc_stride, uint8_t * * block, int b_w, x86_reg b_h,
736                       int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){
737 snow_inner_add_yblock_sse2_header
738 snow_inner_add_yblock_sse2_start_16("xmm1", "xmm5", "3", "0")
739 snow_inner_add_yblock_sse2_accum_16("2", "16")
740 snow_inner_add_yblock_sse2_accum_16("1", "512")
741 snow_inner_add_yblock_sse2_accum_16("0", "528")
742
743              "mov %0, %%"REG_d"              \n\t"
744              "psrlw $4, %%xmm1               \n\t"
745              "psrlw $4, %%xmm5               \n\t"
746              "paddw   (%%"REG_D"), %%xmm1    \n\t"
747              "paddw 16(%%"REG_D"), %%xmm5    \n\t"
748              "paddw %%xmm3, %%xmm1           \n\t"
749              "paddw %%xmm3, %%xmm5           \n\t"
750              "psraw $4, %%xmm1               \n\t" /* FRAC_BITS. */
751              "psraw $4, %%xmm5               \n\t" /* FRAC_BITS. */
752              "packuswb %%xmm5, %%xmm1        \n\t"
753
754              "movdqu %%xmm1, (%%"REG_d")       \n\t"
755
756 snow_inner_add_yblock_sse2_end_16
757 }
758
759 #define snow_inner_add_yblock_mmx_header \
760     IDWTELEM * * dst_array = sb->line + src_y;\
761     x86_reg tmp;\
762     __asm__ volatile(\
763              "mov  %7, %%"REG_c"             \n\t"\
764              "mov  %6, %2                    \n\t"\
765              "mov  %4, %%"REG_S"             \n\t"\
766              "pxor %%mm7, %%mm7              \n\t" /* 0 */\
767              "pcmpeqd %%mm3, %%mm3           \n\t"\
768              "psllw $15, %%mm3               \n\t"\
769              "psrlw $12, %%mm3               \n\t" /* FRAC_BITS >> 1 */\
770              "1:                             \n\t"\
771              "mov %1, %%"REG_D"              \n\t"\
772              "mov (%%"REG_D"), %%"REG_D"     \n\t"\
773              "add %3, %%"REG_D"              \n\t"
774
775 #define snow_inner_add_yblock_mmx_start(out_reg1, out_reg2, ptr_offset, s_offset, d_offset)\
776              "mov "PTR_SIZE"*"ptr_offset"(%%"REG_a"), %%"REG_d"; \n\t"\
777              "movd "d_offset"(%%"REG_d"), %%"out_reg1" \n\t"\
778              "movd "d_offset"+4(%%"REG_d"), %%"out_reg2" \n\t"\
779              "punpcklbw %%mm7, %%"out_reg1" \n\t"\
780              "punpcklbw %%mm7, %%"out_reg2" \n\t"\
781              "movd "s_offset"(%%"REG_S"), %%mm0 \n\t"\
782              "movd "s_offset"+4(%%"REG_S"), %%mm4 \n\t"\
783              "punpcklbw %%mm7, %%mm0       \n\t"\
784              "punpcklbw %%mm7, %%mm4       \n\t"\
785              "pmullw %%mm0, %%"out_reg1"    \n\t"\
786              "pmullw %%mm4, %%"out_reg2"    \n\t"
787
788 #define snow_inner_add_yblock_mmx_accum(ptr_offset, s_offset, d_offset) \
789              snow_inner_add_yblock_mmx_start("mm2", "mm6", ptr_offset, s_offset, d_offset)\
790              "paddusw %%mm2, %%mm1         \n\t"\
791              "paddusw %%mm6, %%mm5         \n\t"
792
793 #define snow_inner_add_yblock_mmx_mix(read_offset, write_offset)\
794              "mov %0, %%"REG_d"              \n\t"\
795              "psrlw $4, %%mm1                \n\t"\
796              "psrlw $4, %%mm5                \n\t"\
797              "paddw "read_offset"(%%"REG_D"), %%mm1 \n\t"\
798              "paddw "read_offset"+8(%%"REG_D"), %%mm5 \n\t"\
799              "paddw %%mm3, %%mm1             \n\t"\
800              "paddw %%mm3, %%mm5             \n\t"\
801              "psraw $4, %%mm1                \n\t"\
802              "psraw $4, %%mm5                \n\t"\
803              "packuswb %%mm5, %%mm1          \n\t"\
804              "movq %%mm1, "write_offset"(%%"REG_d") \n\t"
805
806 #define snow_inner_add_yblock_mmx_end(s_step)\
807              "add $"s_step", %%"REG_S"             \n\t"\
808              "add %%"REG_c", "PTR_SIZE"*3(%%"REG_a");\n\t"\
809              "add %%"REG_c", "PTR_SIZE"*2(%%"REG_a");\n\t"\
810              "add %%"REG_c", "PTR_SIZE"*1(%%"REG_a");\n\t"\
811              "add %%"REG_c", (%%"REG_a")     \n\t"\
812              "add $"PTR_SIZE"*1, %1          \n\t"\
813              "add %%"REG_c", %0              \n\t"\
814              "dec %2                         \n\t"\
815              "jnz 1b                         \n\t"\
816              :"+m"(dst8),"+m"(dst_array),"=&r"(tmp)\
817              :\
818              "rm"((x86_reg)(src_x<<1)),"m"(obmc),"a"(block),"m"((x86_reg)b_h),"m"((x86_reg)src_stride):\
819              "%"REG_c"","%"REG_S"","%"REG_D"","%"REG_d"");
820
821 static void inner_add_yblock_bw_8_obmc_16_mmx(const uint8_t *obmc, const x86_reg obmc_stride, uint8_t * * block, int b_w, x86_reg b_h,
822                       int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){
823 snow_inner_add_yblock_mmx_header
824 snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "0", "0")
825 snow_inner_add_yblock_mmx_accum("2", "8", "0")
826 snow_inner_add_yblock_mmx_accum("1", "128", "0")
827 snow_inner_add_yblock_mmx_accum("0", "136", "0")
828 snow_inner_add_yblock_mmx_mix("0", "0")
829 snow_inner_add_yblock_mmx_end("16")
830 }
831
832 static void inner_add_yblock_bw_16_obmc_32_mmx(const uint8_t *obmc, const x86_reg obmc_stride, uint8_t * * block, int b_w, x86_reg b_h,
833                       int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){
834 snow_inner_add_yblock_mmx_header
835 snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "0", "0")
836 snow_inner_add_yblock_mmx_accum("2", "16", "0")
837 snow_inner_add_yblock_mmx_accum("1", "512", "0")
838 snow_inner_add_yblock_mmx_accum("0", "528", "0")
839 snow_inner_add_yblock_mmx_mix("0", "0")
840
841 snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "8", "8")
842 snow_inner_add_yblock_mmx_accum("2", "24", "8")
843 snow_inner_add_yblock_mmx_accum("1", "520", "8")
844 snow_inner_add_yblock_mmx_accum("0", "536", "8")
845 snow_inner_add_yblock_mmx_mix("16", "8")
846 snow_inner_add_yblock_mmx_end("32")
847 }
848
849 void ff_snow_inner_add_yblock_sse2(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h,
850                            int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8){
851
852     if (b_w == 16)
853         inner_add_yblock_bw_16_obmc_32_sse2(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
854     else if (b_w == 8 && obmc_stride == 16) {
855         if (!(b_h & 1))
856             inner_add_yblock_bw_8_obmc_16_bh_even_sse2(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
857         else
858             inner_add_yblock_bw_8_obmc_16_mmx(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
859     } else
860          ff_snow_inner_add_yblock(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
861 }
862
863 void ff_snow_inner_add_yblock_mmx(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h,
864                           int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8){
865     if (b_w == 16)
866         inner_add_yblock_bw_16_obmc_32_mmx(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
867     else if (b_w == 8 && obmc_stride == 16)
868         inner_add_yblock_bw_8_obmc_16_mmx(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
869     else
870         ff_snow_inner_add_yblock(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
871 }