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ffmpeg / libavcodec / x86 / snowdsp_mmx.c @ 84dc2d8a

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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
 *
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 * FFmpeg is free software; you can redistribute it and/or
8
 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
10
 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * FFmpeg is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with FFmpeg; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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
#if 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"(b_h),"m"(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"(b_h),"m"(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
}