GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/x86/snowdsp.c Lines: 54 140 38.6 %
Date: 2020-09-25 14:59:26 Branches: 16 54 29.6 %

Line Branch Exec Source
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/cpu.h"
23
#include "libavutil/x86/asm.h"
24
#include "libavcodec/avcodec.h"
25
#include "libavcodec/snow.h"
26
#include "libavcodec/snow_dwt.h"
27
28
#if HAVE_INLINE_ASM
29
30
static void ff_snow_horizontal_compose97i_sse2(IDWTELEM *b, IDWTELEM *temp, int width){
31
    const int w2= (width+1)>>1;
32
    const int w_l= (width>>1);
33
    const int w_r= w2 - 1;
34
    int i;
35
36
    { // Lift 0
37
        IDWTELEM * const ref = b + w2 - 1;
38
        IDWTELEM b_0 = b[0]; //By allowing the first entry in b[0] to be calculated twice
39
        // (the first time erroneously), we allow the SSE2 code to run an extra pass.
40
        // The savings in code and time are well worth having to store this value and
41
        // calculate b[0] correctly afterwards.
42
43
        i = 0;
44
        __asm__ volatile(
45
            "pcmpeqd   %%xmm7, %%xmm7         \n\t"
46
            "pcmpeqd   %%xmm3, %%xmm3         \n\t"
47
            "psllw         $1, %%xmm3         \n\t"
48
            "paddw     %%xmm7, %%xmm3         \n\t"
49
            "psllw        $13, %%xmm3         \n\t"
50
        ::);
51
        for(; i<w_l-15; i+=16){
52
            __asm__ volatile(
53
                "movdqu   (%1), %%xmm1        \n\t"
54
                "movdqu 16(%1), %%xmm5        \n\t"
55
                "movdqu  2(%1), %%xmm2        \n\t"
56
                "movdqu 18(%1), %%xmm6        \n\t"
57
                "paddw  %%xmm1, %%xmm2        \n\t"
58
                "paddw  %%xmm5, %%xmm6        \n\t"
59
                "paddw  %%xmm7, %%xmm2        \n\t"
60
                "paddw  %%xmm7, %%xmm6        \n\t"
61
                "pmulhw %%xmm3, %%xmm2        \n\t"
62
                "pmulhw %%xmm3, %%xmm6        \n\t"
63
                "paddw    (%0), %%xmm2        \n\t"
64
                "paddw  16(%0), %%xmm6        \n\t"
65
                "movdqa %%xmm2, (%0)          \n\t"
66
                "movdqa %%xmm6, 16(%0)        \n\t"
67
                :: "r"(&b[i]), "r"(&ref[i])
68
                : "memory"
69
            );
70
        }
71
        snow_horizontal_compose_lift_lead_out(i, b, b, ref, width, w_l, 0, W_DM, W_DO, W_DS);
72
        b[0] = b_0 - ((W_DM * 2 * ref[1]+W_DO)>>W_DS);
73
    }
74
75
    { // Lift 1
76
        IDWTELEM * const dst = b+w2;
77
78
        i = 0;
79
        for(; (((x86_reg)&dst[i]) & 0x1F) && i<w_r; i++){
80
            dst[i] = dst[i] - (b[i] + b[i + 1]);
81
        }
82
        for(; i<w_r-15; i+=16){
83
            __asm__ volatile(
84
                "movdqu   (%1), %%xmm1        \n\t"
85
                "movdqu 16(%1), %%xmm5        \n\t"
86
                "movdqu  2(%1), %%xmm2        \n\t"
87
                "movdqu 18(%1), %%xmm6        \n\t"
88
                "paddw  %%xmm1, %%xmm2        \n\t"
89
                "paddw  %%xmm5, %%xmm6        \n\t"
90
                "movdqa   (%0), %%xmm0        \n\t"
91
                "movdqa 16(%0), %%xmm4        \n\t"
92
                "psubw  %%xmm2, %%xmm0        \n\t"
93
                "psubw  %%xmm6, %%xmm4        \n\t"
94
                "movdqa %%xmm0, (%0)          \n\t"
95
                "movdqa %%xmm4, 16(%0)        \n\t"
96
                :: "r"(&dst[i]), "r"(&b[i])
97
                : "memory"
98
            );
99
        }
100
        snow_horizontal_compose_lift_lead_out(i, dst, dst, b, width, w_r, 1, W_CM, W_CO, W_CS);
101
    }
102
103
    { // Lift 2
104
        IDWTELEM * const ref = b+w2 - 1;
105
        IDWTELEM b_0 = b[0];
106
107
        i = 0;
108
        __asm__ volatile(
109
            "psllw         $15, %%xmm7        \n\t"
110
            "pcmpeqw    %%xmm6, %%xmm6        \n\t"
111
            "psrlw         $13, %%xmm6        \n\t"
112
            "paddw      %%xmm7, %%xmm6        \n\t"
113
        ::);
114
        for(; i<w_l-15; i+=16){
115
            __asm__ volatile(
116
                "movdqu   (%1), %%xmm0        \n\t"
117
                "movdqu 16(%1), %%xmm4        \n\t"
118
                "movdqu  2(%1), %%xmm1        \n\t"
119
                "movdqu 18(%1), %%xmm5        \n\t" //FIXME try aligned reads and shifts
120
                "paddw  %%xmm6, %%xmm0        \n\t"
121
                "paddw  %%xmm6, %%xmm4        \n\t"
122
                "paddw  %%xmm7, %%xmm1        \n\t"
123
                "paddw  %%xmm7, %%xmm5        \n\t"
124
                "pavgw  %%xmm1, %%xmm0        \n\t"
125
                "pavgw  %%xmm5, %%xmm4        \n\t"
126
                "psubw  %%xmm7, %%xmm0        \n\t"
127
                "psubw  %%xmm7, %%xmm4        \n\t"
128
                "psraw      $1, %%xmm0        \n\t"
129
                "psraw      $1, %%xmm4        \n\t"
130
                "movdqa   (%0), %%xmm1        \n\t"
131
                "movdqa 16(%0), %%xmm5        \n\t"
132
                "paddw  %%xmm1, %%xmm0        \n\t"
133
                "paddw  %%xmm5, %%xmm4        \n\t"
134
                "psraw      $2, %%xmm0        \n\t"
135
                "psraw      $2, %%xmm4        \n\t"
136
                "paddw  %%xmm1, %%xmm0        \n\t"
137
                "paddw  %%xmm5, %%xmm4        \n\t"
138
                "movdqa %%xmm0, (%0)          \n\t"
139
                "movdqa %%xmm4, 16(%0)        \n\t"
140
                :: "r"(&b[i]), "r"(&ref[i])
141
                : "memory"
142
            );
143
        }
144
        snow_horizontal_compose_liftS_lead_out(i, b, b, ref, width, w_l);
145
        b[0] = b_0 + ((2 * ref[1] + W_BO-1 + 4 * b_0) >> W_BS);
146
    }
147
148
    { // Lift 3
149
        IDWTELEM * const src = b+w2;
150
151
        i = 0;
152
        for(; (((x86_reg)&temp[i]) & 0x1F) && i<w_r; i++){
153
            temp[i] = src[i] - ((-W_AM*(b[i] + b[i+1]))>>W_AS);
154
        }
155
        for(; i<w_r-7; i+=8){
156
            __asm__ volatile(
157
                "movdqu  2(%1), %%xmm2        \n\t"
158
                "movdqu 18(%1), %%xmm6        \n\t"
159
                "paddw    (%1), %%xmm2        \n\t"
160
                "paddw  16(%1), %%xmm6        \n\t"
161
                "movdqu   (%0), %%xmm0        \n\t"
162
                "movdqu 16(%0), %%xmm4        \n\t"
163
                "paddw  %%xmm2, %%xmm0        \n\t"
164
                "paddw  %%xmm6, %%xmm4        \n\t"
165
                "psraw      $1, %%xmm2        \n\t"
166
                "psraw      $1, %%xmm6        \n\t"
167
                "paddw  %%xmm0, %%xmm2        \n\t"
168
                "paddw  %%xmm4, %%xmm6        \n\t"
169
                "movdqa %%xmm2, (%2)          \n\t"
170
                "movdqa %%xmm6, 16(%2)        \n\t"
171
                :: "r"(&src[i]), "r"(&b[i]), "r"(&temp[i])
172
                 : "memory"
173
               );
174
        }
175
        snow_horizontal_compose_lift_lead_out(i, temp, src, b, width, w_r, 1, -W_AM, W_AO+1, W_AS);
176
    }
177
178
    {
179
        snow_interleave_line_header(&i, width, b, temp);
180
181
        for (; (i & 0x3E) != 0x3E; i-=2){
182
            b[i+1] = temp[i>>1];
183
            b[i] = b[i>>1];
184
        }
185
        for (i-=62; i>=0; i-=64){
186
            __asm__ volatile(
187
                "movdqa      (%1), %%xmm0       \n\t"
188
                "movdqa    16(%1), %%xmm2       \n\t"
189
                "movdqa    32(%1), %%xmm4       \n\t"
190
                "movdqa    48(%1), %%xmm6       \n\t"
191
                "movdqa      (%1), %%xmm1       \n\t"
192
                "movdqa    16(%1), %%xmm3       \n\t"
193
                "movdqa    32(%1), %%xmm5       \n\t"
194
                "movdqa    48(%1), %%xmm7       \n\t"
195
                "punpcklwd   (%2), %%xmm0       \n\t"
196
                "punpcklwd 16(%2), %%xmm2       \n\t"
197
                "punpcklwd 32(%2), %%xmm4       \n\t"
198
                "punpcklwd 48(%2), %%xmm6       \n\t"
199
                "movdqa    %%xmm0, (%0)         \n\t"
200
                "movdqa    %%xmm2, 32(%0)       \n\t"
201
                "movdqa    %%xmm4, 64(%0)       \n\t"
202
                "movdqa    %%xmm6, 96(%0)       \n\t"
203
                "punpckhwd   (%2), %%xmm1       \n\t"
204
                "punpckhwd 16(%2), %%xmm3       \n\t"
205
                "punpckhwd 32(%2), %%xmm5       \n\t"
206
                "punpckhwd 48(%2), %%xmm7       \n\t"
207
                "movdqa    %%xmm1, 16(%0)       \n\t"
208
                "movdqa    %%xmm3, 48(%0)       \n\t"
209
                "movdqa    %%xmm5, 80(%0)       \n\t"
210
                "movdqa    %%xmm7, 112(%0)      \n\t"
211
                :: "r"(&(b)[i]), "r"(&(b)[i>>1]), "r"(&(temp)[i>>1])
212
                 : "memory"
213
               );
214
        }
215
    }
216
}
217
218
248
static void ff_snow_horizontal_compose97i_mmx(IDWTELEM *b, IDWTELEM *temp, int width){
219
248
    const int w2= (width+1)>>1;
220
248
    const int w_l= (width>>1);
221
248
    const int w_r= w2 - 1;
222
    int i;
223
224
    { // Lift 0
225
248
        IDWTELEM * const ref = b + w2 - 1;
226
227
248
        i = 1;
228
248
        b[0] = b[0] - ((W_DM * 2 * ref[1]+W_DO)>>W_DS);
229
248
        __asm__ volatile(
230
            "pcmpeqw    %%mm7, %%mm7         \n\t"
231
            "pcmpeqw    %%mm3, %%mm3         \n\t"
232
            "psllw         $1, %%mm3         \n\t"
233
            "paddw      %%mm7, %%mm3         \n\t"
234
            "psllw        $13, %%mm3         \n\t"
235
           ::);
236
1032
        for(; i<w_l-7; i+=8){
237
784
            __asm__ volatile(
238
                "movq     (%1), %%mm2        \n\t"
239
                "movq    8(%1), %%mm6        \n\t"
240
                "paddw   2(%1), %%mm2        \n\t"
241
                "paddw  10(%1), %%mm6        \n\t"
242
                "paddw   %%mm7, %%mm2        \n\t"
243
                "paddw   %%mm7, %%mm6        \n\t"
244
                "pmulhw  %%mm3, %%mm2        \n\t"
245
                "pmulhw  %%mm3, %%mm6        \n\t"
246
                "paddw    (%0), %%mm2        \n\t"
247
                "paddw   8(%0), %%mm6        \n\t"
248
                "movq    %%mm2, (%0)         \n\t"
249
                "movq    %%mm6, 8(%0)        \n\t"
250
784
                :: "r"(&b[i]), "r"(&ref[i])
251
                 : "memory"
252
               );
253
        }
254
248
        snow_horizontal_compose_lift_lead_out(i, b, b, ref, width, w_l, 0, W_DM, W_DO, W_DS);
255
    }
256
257
    { // Lift 1
258
248
        IDWTELEM * const dst = b+w2;
259
260
248
        i = 0;
261
1032
        for(; i<w_r-7; i+=8){
262
784
            __asm__ volatile(
263
                "movq     (%1), %%mm2        \n\t"
264
                "movq    8(%1), %%mm6        \n\t"
265
                "paddw   2(%1), %%mm2        \n\t"
266
                "paddw  10(%1), %%mm6        \n\t"
267
                "movq     (%0), %%mm0        \n\t"
268
                "movq    8(%0), %%mm4        \n\t"
269
                "psubw   %%mm2, %%mm0        \n\t"
270
                "psubw   %%mm6, %%mm4        \n\t"
271
                "movq    %%mm0, (%0)         \n\t"
272
                "movq    %%mm4, 8(%0)        \n\t"
273
784
                :: "r"(&dst[i]), "r"(&b[i])
274
                 : "memory"
275
               );
276
        }
277
248
        snow_horizontal_compose_lift_lead_out(i, dst, dst, b, width, w_r, 1, W_CM, W_CO, W_CS);
278
    }
279
280
    { // Lift 2
281
248
        IDWTELEM * const ref = b+w2 - 1;
282
283
248
        i = 1;
284
248
        b[0] = b[0] + (((2 * ref[1] + W_BO) + 4 * b[0]) >> W_BS);
285
248
        __asm__ volatile(
286
            "psllw         $15, %%mm7        \n\t"
287
            "pcmpeqw     %%mm6, %%mm6        \n\t"
288
            "psrlw         $13, %%mm6        \n\t"
289
            "paddw       %%mm7, %%mm6        \n\t"
290
           ::);
291
1032
        for(; i<w_l-7; i+=8){
292
784
            __asm__ volatile(
293
                "movq     (%1), %%mm0        \n\t"
294
                "movq    8(%1), %%mm4        \n\t"
295
                "movq    2(%1), %%mm1        \n\t"
296
                "movq   10(%1), %%mm5        \n\t"
297
                "paddw   %%mm6, %%mm0        \n\t"
298
                "paddw   %%mm6, %%mm4        \n\t"
299
                "paddw   %%mm7, %%mm1        \n\t"
300
                "paddw   %%mm7, %%mm5        \n\t"
301
                "pavgw   %%mm1, %%mm0        \n\t"
302
                "pavgw   %%mm5, %%mm4        \n\t"
303
                "psubw   %%mm7, %%mm0        \n\t"
304
                "psubw   %%mm7, %%mm4        \n\t"
305
                "psraw      $1, %%mm0        \n\t"
306
                "psraw      $1, %%mm4        \n\t"
307
                "movq     (%0), %%mm1        \n\t"
308
                "movq    8(%0), %%mm5        \n\t"
309
                "paddw   %%mm1, %%mm0        \n\t"
310
                "paddw   %%mm5, %%mm4        \n\t"
311
                "psraw      $2, %%mm0        \n\t"
312
                "psraw      $2, %%mm4        \n\t"
313
                "paddw   %%mm1, %%mm0        \n\t"
314
                "paddw   %%mm5, %%mm4        \n\t"
315
                "movq    %%mm0, (%0)         \n\t"
316
                "movq    %%mm4, 8(%0)        \n\t"
317
784
                :: "r"(&b[i]), "r"(&ref[i])
318
                 : "memory"
319
               );
320
        }
321
248
        snow_horizontal_compose_liftS_lead_out(i, b, b, ref, width, w_l);
322
    }
323
324
    { // Lift 3
325
248
        IDWTELEM * const src = b+w2;
326
248
        i = 0;
327
328
1032
        for(; i<w_r-7; i+=8){
329
784
            __asm__ volatile(
330
                "movq    2(%1), %%mm2        \n\t"
331
                "movq   10(%1), %%mm6        \n\t"
332
                "paddw    (%1), %%mm2        \n\t"
333
                "paddw   8(%1), %%mm6        \n\t"
334
                "movq     (%0), %%mm0        \n\t"
335
                "movq    8(%0), %%mm4        \n\t"
336
                "paddw   %%mm2, %%mm0        \n\t"
337
                "paddw   %%mm6, %%mm4        \n\t"
338
                "psraw      $1, %%mm2        \n\t"
339
                "psraw      $1, %%mm6        \n\t"
340
                "paddw   %%mm0, %%mm2        \n\t"
341
                "paddw   %%mm4, %%mm6        \n\t"
342
                "movq    %%mm2, (%2)         \n\t"
343
                "movq    %%mm6, 8(%2)        \n\t"
344
784
                :: "r"(&src[i]), "r"(&b[i]), "r"(&temp[i])
345
                 : "memory"
346
               );
347
        }
348
248
        snow_horizontal_compose_lift_lead_out(i, temp, src, b, width, w_r, 1, -W_AM, W_AO+1, W_AS);
349
    }
350
351
    {
352
248
        snow_interleave_line_header(&i, width, b, temp);
353
354
496
        for (; (i & 0x1E) != 0x1E; i-=2){
355
248
            b[i+1] = temp[i>>1];
356
248
            b[i] = b[i>>1];
357
        }
358
744
        for (i-=30; i>=0; i-=32){
359
496
            __asm__ volatile(
360
                "movq        (%1), %%mm0       \n\t"
361
                "movq       8(%1), %%mm2       \n\t"
362
                "movq      16(%1), %%mm4       \n\t"
363
                "movq      24(%1), %%mm6       \n\t"
364
                "movq        (%1), %%mm1       \n\t"
365
                "movq       8(%1), %%mm3       \n\t"
366
                "movq      16(%1), %%mm5       \n\t"
367
                "movq      24(%1), %%mm7       \n\t"
368
                "punpcklwd   (%2), %%mm0       \n\t"
369
                "punpcklwd  8(%2), %%mm2       \n\t"
370
                "punpcklwd 16(%2), %%mm4       \n\t"
371
                "punpcklwd 24(%2), %%mm6       \n\t"
372
                "movq       %%mm0, (%0)        \n\t"
373
                "movq       %%mm2, 16(%0)      \n\t"
374
                "movq       %%mm4, 32(%0)      \n\t"
375
                "movq       %%mm6, 48(%0)      \n\t"
376
                "punpckhwd   (%2), %%mm1       \n\t"
377
                "punpckhwd  8(%2), %%mm3       \n\t"
378
                "punpckhwd 16(%2), %%mm5       \n\t"
379
                "punpckhwd 24(%2), %%mm7       \n\t"
380
                "movq       %%mm1, 8(%0)       \n\t"
381
                "movq       %%mm3, 24(%0)      \n\t"
382
                "movq       %%mm5, 40(%0)      \n\t"
383
                "movq       %%mm7, 56(%0)      \n\t"
384
496
                :: "r"(&b[i]), "r"(&b[i>>1]), "r"(&temp[i>>1])
385
                 : "memory"
386
               );
387
        }
388
    }
389
248
}
390
391
#if HAVE_7REGS
392
#define snow_vertical_compose_sse2_load_add(op,r,t0,t1,t2,t3)\
393
        ""op" ("r",%%"FF_REG_d"), %%"t0"      \n\t"\
394
        ""op" 16("r",%%"FF_REG_d"), %%"t1"    \n\t"\
395
        ""op" 32("r",%%"FF_REG_d"), %%"t2"    \n\t"\
396
        ""op" 48("r",%%"FF_REG_d"), %%"t3"    \n\t"
397
398
#define snow_vertical_compose_sse2_load(r,t0,t1,t2,t3)\
399
        snow_vertical_compose_sse2_load_add("movdqa",r,t0,t1,t2,t3)
400
401
#define snow_vertical_compose_sse2_add(r,t0,t1,t2,t3)\
402
        snow_vertical_compose_sse2_load_add("paddw",r,t0,t1,t2,t3)
403
404
#define snow_vertical_compose_r2r_sub(s0,s1,s2,s3,t0,t1,t2,t3)\
405
        "psubw %%"s0", %%"t0" \n\t"\
406
        "psubw %%"s1", %%"t1" \n\t"\
407
        "psubw %%"s2", %%"t2" \n\t"\
408
        "psubw %%"s3", %%"t3" \n\t"
409
410
#define snow_vertical_compose_sse2_store(w,s0,s1,s2,s3)\
411
        "movdqa %%"s0", ("w",%%"FF_REG_d")    \n\t"\
412
        "movdqa %%"s1", 16("w",%%"FF_REG_d")  \n\t"\
413
        "movdqa %%"s2", 32("w",%%"FF_REG_d")  \n\t"\
414
        "movdqa %%"s3", 48("w",%%"FF_REG_d")  \n\t"
415
416
#define snow_vertical_compose_sra(n,t0,t1,t2,t3)\
417
        "psraw $"n", %%"t0" \n\t"\
418
        "psraw $"n", %%"t1" \n\t"\
419
        "psraw $"n", %%"t2" \n\t"\
420
        "psraw $"n", %%"t3" \n\t"
421
422
#define snow_vertical_compose_r2r_add(s0,s1,s2,s3,t0,t1,t2,t3)\
423
        "paddw %%"s0", %%"t0" \n\t"\
424
        "paddw %%"s1", %%"t1" \n\t"\
425
        "paddw %%"s2", %%"t2" \n\t"\
426
        "paddw %%"s3", %%"t3" \n\t"
427
428
#define snow_vertical_compose_r2r_pmulhw(s0,s1,s2,s3,t0,t1,t2,t3)\
429
        "pmulhw %%"s0", %%"t0" \n\t"\
430
        "pmulhw %%"s1", %%"t1" \n\t"\
431
        "pmulhw %%"s2", %%"t2" \n\t"\
432
        "pmulhw %%"s3", %%"t3" \n\t"
433
434
#define snow_vertical_compose_sse2_move(s0,s1,s2,s3,t0,t1,t2,t3)\
435
        "movdqa %%"s0", %%"t0" \n\t"\
436
        "movdqa %%"s1", %%"t1" \n\t"\
437
        "movdqa %%"s2", %%"t2" \n\t"\
438
        "movdqa %%"s3", %%"t3" \n\t"
439
440
static void ff_snow_vertical_compose97i_sse2(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width){
441
    x86_reg i = width;
442
443
    while(i & 0x1F)
444
    {
445
        i--;
446
        b4[i] -= (W_DM*(b3[i] + b5[i])+W_DO)>>W_DS;
447
        b3[i] -= (W_CM*(b2[i] + b4[i])+W_CO)>>W_CS;
448
        b2[i] += (W_BM*(b1[i] + b3[i])+4*b2[i]+W_BO)>>W_BS;
449
        b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
450
    }
451
    i+=i;
452
453
         __asm__ volatile (
454
        "jmp 2f                                      \n\t"
455
        "1:                                          \n\t"
456
        snow_vertical_compose_sse2_load("%4","xmm0","xmm2","xmm4","xmm6")
457
        snow_vertical_compose_sse2_add("%6","xmm0","xmm2","xmm4","xmm6")
458
459
460
        "pcmpeqw    %%xmm0, %%xmm0                   \n\t"
461
        "pcmpeqw    %%xmm2, %%xmm2                   \n\t"
462
        "paddw      %%xmm2, %%xmm2                   \n\t"
463
        "paddw      %%xmm0, %%xmm2                   \n\t"
464
        "psllw         $13, %%xmm2                   \n\t"
465
        snow_vertical_compose_r2r_add("xmm0","xmm0","xmm0","xmm0","xmm1","xmm3","xmm5","xmm7")
466
        snow_vertical_compose_r2r_pmulhw("xmm2","xmm2","xmm2","xmm2","xmm1","xmm3","xmm5","xmm7")
467
        snow_vertical_compose_sse2_add("%5","xmm1","xmm3","xmm5","xmm7")
468
        snow_vertical_compose_sse2_store("%5","xmm1","xmm3","xmm5","xmm7")
469
        snow_vertical_compose_sse2_load("%4","xmm0","xmm2","xmm4","xmm6")
470
        snow_vertical_compose_sse2_add("%3","xmm1","xmm3","xmm5","xmm7")
471
        snow_vertical_compose_r2r_sub("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6")
472
        snow_vertical_compose_sse2_store("%4","xmm0","xmm2","xmm4","xmm6")
473
474
        "pcmpeqw %%xmm7, %%xmm7                      \n\t"
475
        "pcmpeqw %%xmm5, %%xmm5                      \n\t"
476
        "psllw $15, %%xmm7                           \n\t"
477
        "psrlw $13, %%xmm5                           \n\t"
478
        "paddw %%xmm7, %%xmm5                        \n\t"
479
        snow_vertical_compose_r2r_add("xmm5","xmm5","xmm5","xmm5","xmm0","xmm2","xmm4","xmm6")
480
        "movq   (%2,%%"FF_REG_d"), %%xmm1            \n\t"
481
        "movq  8(%2,%%"FF_REG_d"), %%xmm3            \n\t"
482
        "paddw %%xmm7, %%xmm1                        \n\t"
483
        "paddw %%xmm7, %%xmm3                        \n\t"
484
        "pavgw %%xmm1, %%xmm0                        \n\t"
485
        "pavgw %%xmm3, %%xmm2                        \n\t"
486
        "movq 16(%2,%%"FF_REG_d"), %%xmm1            \n\t"
487
        "movq 24(%2,%%"FF_REG_d"), %%xmm3            \n\t"
488
        "paddw %%xmm7, %%xmm1                        \n\t"
489
        "paddw %%xmm7, %%xmm3                        \n\t"
490
        "pavgw %%xmm1, %%xmm4                        \n\t"
491
        "pavgw %%xmm3, %%xmm6                        \n\t"
492
        snow_vertical_compose_r2r_sub("xmm7","xmm7","xmm7","xmm7","xmm0","xmm2","xmm4","xmm6")
493
        snow_vertical_compose_sra("1","xmm0","xmm2","xmm4","xmm6")
494
        snow_vertical_compose_sse2_add("%3","xmm0","xmm2","xmm4","xmm6")
495
496
        snow_vertical_compose_sra("2","xmm0","xmm2","xmm4","xmm6")
497
        snow_vertical_compose_sse2_add("%3","xmm0","xmm2","xmm4","xmm6")
498
        snow_vertical_compose_sse2_store("%3","xmm0","xmm2","xmm4","xmm6")
499
        snow_vertical_compose_sse2_add("%1","xmm0","xmm2","xmm4","xmm6")
500
        snow_vertical_compose_sse2_move("xmm0","xmm2","xmm4","xmm6","xmm1","xmm3","xmm5","xmm7")
501
        snow_vertical_compose_sra("1","xmm0","xmm2","xmm4","xmm6")
502
        snow_vertical_compose_r2r_add("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6")
503
        snow_vertical_compose_sse2_add("%2","xmm0","xmm2","xmm4","xmm6")
504
        snow_vertical_compose_sse2_store("%2","xmm0","xmm2","xmm4","xmm6")
505
506
        "2:                                          \n\t"
507
        "sub $64, %%"FF_REG_d"                       \n\t"
508
        "jge 1b                                      \n\t"
509
        :"+d"(i)
510
        :"r"(b0),"r"(b1),"r"(b2),"r"(b3),"r"(b4),"r"(b5));
511
}
512
513
#define snow_vertical_compose_mmx_load_add(op,r,t0,t1,t2,t3)\
514
        ""op" ("r",%%"FF_REG_d"), %%"t0"   \n\t"\
515
        ""op" 8("r",%%"FF_REG_d"), %%"t1"  \n\t"\
516
        ""op" 16("r",%%"FF_REG_d"), %%"t2" \n\t"\
517
        ""op" 24("r",%%"FF_REG_d"), %%"t3" \n\t"
518
519
#define snow_vertical_compose_mmx_load(r,t0,t1,t2,t3)\
520
        snow_vertical_compose_mmx_load_add("movq",r,t0,t1,t2,t3)
521
522
#define snow_vertical_compose_mmx_add(r,t0,t1,t2,t3)\
523
        snow_vertical_compose_mmx_load_add("paddw",r,t0,t1,t2,t3)
524
525
#define snow_vertical_compose_mmx_store(w,s0,s1,s2,s3)\
526
        "movq %%"s0", ("w",%%"FF_REG_d")   \n\t"\
527
        "movq %%"s1", 8("w",%%"FF_REG_d")  \n\t"\
528
        "movq %%"s2", 16("w",%%"FF_REG_d") \n\t"\
529
        "movq %%"s3", 24("w",%%"FF_REG_d") \n\t"
530
531
#define snow_vertical_compose_mmx_move(s0,s1,s2,s3,t0,t1,t2,t3)\
532
        "movq %%"s0", %%"t0" \n\t"\
533
        "movq %%"s1", %%"t1" \n\t"\
534
        "movq %%"s2", %%"t2" \n\t"\
535
        "movq %%"s3", %%"t3" \n\t"
536
537
538
96
static void ff_snow_vertical_compose97i_mmx(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width){
539
96
    x86_reg i = width;
540
96
    while(i & 15)
541
    {
542
        i--;
543
        b4[i] -= (W_DM*(b3[i] + b5[i])+W_DO)>>W_DS;
544
        b3[i] -= (W_CM*(b2[i] + b4[i])+W_CO)>>W_CS;
545
        b2[i] += (W_BM*(b1[i] + b3[i])+4*b2[i]+W_BO)>>W_BS;
546
        b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
547
    }
548
96
    i+=i;
549
96
    __asm__ volatile(
550
        "jmp 2f                                      \n\t"
551
        "1:                                          \n\t"
552
553
        snow_vertical_compose_mmx_load("%4","mm1","mm3","mm5","mm7")
554
        snow_vertical_compose_mmx_add("%6","mm1","mm3","mm5","mm7")
555
        "pcmpeqw    %%mm0, %%mm0                     \n\t"
556
        "pcmpeqw    %%mm2, %%mm2                     \n\t"
557
        "paddw      %%mm2, %%mm2                     \n\t"
558
        "paddw      %%mm0, %%mm2                     \n\t"
559
        "psllw        $13, %%mm2                     \n\t"
560
        snow_vertical_compose_r2r_add("mm0","mm0","mm0","mm0","mm1","mm3","mm5","mm7")
561
        snow_vertical_compose_r2r_pmulhw("mm2","mm2","mm2","mm2","mm1","mm3","mm5","mm7")
562
        snow_vertical_compose_mmx_add("%5","mm1","mm3","mm5","mm7")
563
        snow_vertical_compose_mmx_store("%5","mm1","mm3","mm5","mm7")
564
        snow_vertical_compose_mmx_load("%4","mm0","mm2","mm4","mm6")
565
        snow_vertical_compose_mmx_add("%3","mm1","mm3","mm5","mm7")
566
        snow_vertical_compose_r2r_sub("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6")
567
        snow_vertical_compose_mmx_store("%4","mm0","mm2","mm4","mm6")
568
        "pcmpeqw %%mm7, %%mm7                        \n\t"
569
        "pcmpeqw %%mm5, %%mm5                        \n\t"
570
        "psllw $15, %%mm7                            \n\t"
571
        "psrlw $13, %%mm5                            \n\t"
572
        "paddw %%mm7, %%mm5                          \n\t"
573
        snow_vertical_compose_r2r_add("mm5","mm5","mm5","mm5","mm0","mm2","mm4","mm6")
574
        "movq   (%2,%%"FF_REG_d"), %%mm1             \n\t"
575
        "movq  8(%2,%%"FF_REG_d"), %%mm3             \n\t"
576
        "paddw %%mm7, %%mm1                          \n\t"
577
        "paddw %%mm7, %%mm3                          \n\t"
578
        "pavgw %%mm1, %%mm0                          \n\t"
579
        "pavgw %%mm3, %%mm2                          \n\t"
580
        "movq 16(%2,%%"FF_REG_d"), %%mm1             \n\t"
581
        "movq 24(%2,%%"FF_REG_d"), %%mm3             \n\t"
582
        "paddw %%mm7, %%mm1                          \n\t"
583
        "paddw %%mm7, %%mm3                          \n\t"
584
        "pavgw %%mm1, %%mm4                          \n\t"
585
        "pavgw %%mm3, %%mm6                          \n\t"
586
        snow_vertical_compose_r2r_sub("mm7","mm7","mm7","mm7","mm0","mm2","mm4","mm6")
587
        snow_vertical_compose_sra("1","mm0","mm2","mm4","mm6")
588
        snow_vertical_compose_mmx_add("%3","mm0","mm2","mm4","mm6")
589
590
        snow_vertical_compose_sra("2","mm0","mm2","mm4","mm6")
591
        snow_vertical_compose_mmx_add("%3","mm0","mm2","mm4","mm6")
592
        snow_vertical_compose_mmx_store("%3","mm0","mm2","mm4","mm6")
593
        snow_vertical_compose_mmx_add("%1","mm0","mm2","mm4","mm6")
594
        snow_vertical_compose_mmx_move("mm0","mm2","mm4","mm6","mm1","mm3","mm5","mm7")
595
        snow_vertical_compose_sra("1","mm0","mm2","mm4","mm6")
596
        snow_vertical_compose_r2r_add("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6")
597
        snow_vertical_compose_mmx_add("%2","mm0","mm2","mm4","mm6")
598
        snow_vertical_compose_mmx_store("%2","mm0","mm2","mm4","mm6")
599
600
        "2:                                          \n\t"
601
        "sub $32, %%"FF_REG_d"                       \n\t"
602
        "jge 1b                                      \n\t"
603
        :"+d"(i)
604
        :"r"(b0),"r"(b1),"r"(b2),"r"(b3),"r"(b4),"r"(b5));
605
96
}
606
#endif //HAVE_7REGS
607
608
#if HAVE_6REGS
609
#define snow_inner_add_yblock_sse2_header \
610
    IDWTELEM * * dst_array = sb->line + src_y;\
611
    x86_reg tmp;\
612
    __asm__ volatile(\
613
             "mov  %7, %%"FF_REG_c"          \n\t"\
614
             "mov  %6, %2                    \n\t"\
615
             "mov  %4, %%"FF_REG_S"          \n\t"\
616
             "pxor %%xmm7, %%xmm7            \n\t" /* 0 */\
617
             "pcmpeqd %%xmm3, %%xmm3         \n\t"\
618
             "psllw $15, %%xmm3              \n\t"\
619
             "psrlw $12, %%xmm3              \n\t" /* FRAC_BITS >> 1 */\
620
             "1:                             \n\t"\
621
             "mov %1, %%"FF_REG_D"           \n\t"\
622
             "mov (%%"FF_REG_D"), %%"FF_REG_D" \n\t"\
623
             "add %3, %%"FF_REG_D"           \n\t"
624
625
#define snow_inner_add_yblock_sse2_start_8(out_reg1, out_reg2, ptr_offset, s_offset)\
626
             "mov "FF_PTR_SIZE"*"ptr_offset"(%%"FF_REG_a"), %%"FF_REG_d"; \n\t"\
627
             "movq (%%"FF_REG_d"), %%"out_reg1"                           \n\t"\
628
             "movq (%%"FF_REG_d", %%"FF_REG_c"), %%"out_reg2"             \n\t"\
629
             "punpcklbw %%xmm7, %%"out_reg1" \n\t"\
630
             "punpcklbw %%xmm7, %%"out_reg2" \n\t"\
631
             "movq "s_offset"(%%"FF_REG_S"), %%xmm0    \n\t"\
632
             "movq "s_offset"+16(%%"FF_REG_S"), %%xmm4 \n\t"\
633
             "punpcklbw %%xmm7, %%xmm0       \n\t"\
634
             "punpcklbw %%xmm7, %%xmm4       \n\t"\
635
             "pmullw %%xmm0, %%"out_reg1"    \n\t"\
636
             "pmullw %%xmm4, %%"out_reg2"    \n\t"
637
638
#define snow_inner_add_yblock_sse2_start_16(out_reg1, out_reg2, ptr_offset, s_offset)\
639
             "mov "FF_PTR_SIZE"*"ptr_offset"(%%"FF_REG_a"), %%"FF_REG_d"; \n\t"\
640
             "movq (%%"FF_REG_d"), %%"out_reg1"                           \n\t"\
641
             "movq 8(%%"FF_REG_d"), %%"out_reg2"                          \n\t"\
642
             "punpcklbw %%xmm7, %%"out_reg1" \n\t"\
643
             "punpcklbw %%xmm7, %%"out_reg2" \n\t"\
644
             "movq "s_offset"(%%"FF_REG_S"), %%xmm0   \n\t"\
645
             "movq "s_offset"+8(%%"FF_REG_S"), %%xmm4 \n\t"\
646
             "punpcklbw %%xmm7, %%xmm0       \n\t"\
647
             "punpcklbw %%xmm7, %%xmm4       \n\t"\
648
             "pmullw %%xmm0, %%"out_reg1"    \n\t"\
649
             "pmullw %%xmm4, %%"out_reg2"    \n\t"
650
651
#define snow_inner_add_yblock_sse2_accum_8(ptr_offset, s_offset) \
652
             snow_inner_add_yblock_sse2_start_8("xmm2", "xmm6", ptr_offset, s_offset)\
653
             "paddusw %%xmm2, %%xmm1         \n\t"\
654
             "paddusw %%xmm6, %%xmm5         \n\t"
655
656
#define snow_inner_add_yblock_sse2_accum_16(ptr_offset, s_offset) \
657
             snow_inner_add_yblock_sse2_start_16("xmm2", "xmm6", ptr_offset, s_offset)\
658
             "paddusw %%xmm2, %%xmm1         \n\t"\
659
             "paddusw %%xmm6, %%xmm5         \n\t"
660
661
#define snow_inner_add_yblock_sse2_end_common1\
662
             "add $32, %%"FF_REG_S"                            \n\t"\
663
             "add %%"FF_REG_c", %0                             \n\t"\
664
             "add %%"FF_REG_c", "FF_PTR_SIZE"*3(%%"FF_REG_a"); \n\t"\
665
             "add %%"FF_REG_c", "FF_PTR_SIZE"*2(%%"FF_REG_a"); \n\t"\
666
             "add %%"FF_REG_c", "FF_PTR_SIZE"*1(%%"FF_REG_a"); \n\t"\
667
             "add %%"FF_REG_c", (%%"FF_REG_a")                 \n\t"
668
669
#define snow_inner_add_yblock_sse2_end_common2\
670
             "jnz 1b                         \n\t"\
671
             :"+m"(dst8),"+m"(dst_array),"=&r"(tmp)\
672
             :\
673
             "rm"((x86_reg)(src_x<<1)),"m"(obmc),"a"(block),"m"(b_h),"m"(src_stride):\
674
             XMM_CLOBBERS("%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "%xmm7", )\
675
             "%"FF_REG_c"","%"FF_REG_S"","%"FF_REG_D"","%"FF_REG_d"");
676
677
#define snow_inner_add_yblock_sse2_end_8\
678
             "sal $1, %%"FF_REG_c"                \n\t"\
679
             "add"FF_OPSIZE" $"FF_PTR_SIZE"*2, %1 \n\t"\
680
             snow_inner_add_yblock_sse2_end_common1\
681
             "sar $1, %%"FF_REG_c"           \n\t"\
682
             "sub $2, %2                     \n\t"\
683
             snow_inner_add_yblock_sse2_end_common2
684
685
#define snow_inner_add_yblock_sse2_end_16\
686
             "add"FF_OPSIZE" $"FF_PTR_SIZE"*1, %1 \n\t"\
687
             snow_inner_add_yblock_sse2_end_common1\
688
             "dec %2                         \n\t"\
689
             snow_inner_add_yblock_sse2_end_common2
690
691
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,
692
                      int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){
693
snow_inner_add_yblock_sse2_header
694
snow_inner_add_yblock_sse2_start_8("xmm1", "xmm5", "3", "0")
695
snow_inner_add_yblock_sse2_accum_8("2", "8")
696
snow_inner_add_yblock_sse2_accum_8("1", "128")
697
snow_inner_add_yblock_sse2_accum_8("0", "136")
698
699
             "mov %0, %%"FF_REG_d"           \n\t"
700
             "movdqa (%%"FF_REG_D"), %%xmm0  \n\t"
701
             "movdqa %%xmm1, %%xmm2          \n\t"
702
703
             "punpckhwd %%xmm7, %%xmm1       \n\t"
704
             "punpcklwd %%xmm7, %%xmm2       \n\t"
705
             "paddd %%xmm2, %%xmm0           \n\t"
706
             "movdqa 16(%%"FF_REG_D"), %%xmm2\n\t"
707
             "paddd %%xmm1, %%xmm2           \n\t"
708
             "paddd %%xmm3, %%xmm0           \n\t"
709
             "paddd %%xmm3, %%xmm2           \n\t"
710
711
             "mov %1, %%"FF_REG_D"           \n\t"
712
             "mov "FF_PTR_SIZE"(%%"FF_REG_D"), %%"FF_REG_D"; \n\t"
713
             "add %3, %%"FF_REG_D"           \n\t"
714
715
             "movdqa (%%"FF_REG_D"), %%xmm4  \n\t"
716
             "movdqa %%xmm5, %%xmm6          \n\t"
717
             "punpckhwd %%xmm7, %%xmm5       \n\t"
718
             "punpcklwd %%xmm7, %%xmm6       \n\t"
719
             "paddd %%xmm6, %%xmm4           \n\t"
720
             "movdqa 16(%%"FF_REG_D"), %%xmm6\n\t"
721
             "paddd %%xmm5, %%xmm6           \n\t"
722
             "paddd %%xmm3, %%xmm4           \n\t"
723
             "paddd %%xmm3, %%xmm6           \n\t"
724
725
             "psrad $8, %%xmm0               \n\t" /* FRAC_BITS. */
726
             "psrad $8, %%xmm2               \n\t" /* FRAC_BITS. */
727
             "packssdw %%xmm2, %%xmm0        \n\t"
728
             "packuswb %%xmm7, %%xmm0        \n\t"
729
             "movq %%xmm0, (%%"FF_REG_d")    \n\t"
730
731
             "psrad $8, %%xmm4               \n\t" /* FRAC_BITS. */
732
             "psrad $8, %%xmm6               \n\t" /* FRAC_BITS. */
733
             "packssdw %%xmm6, %%xmm4        \n\t"
734
             "packuswb %%xmm7, %%xmm4        \n\t"
735
             "movq %%xmm4, (%%"FF_REG_d",%%"FF_REG_c"); \n\t"
736
snow_inner_add_yblock_sse2_end_8
737
}
738
739
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,
740
                      int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){
741
snow_inner_add_yblock_sse2_header
742
snow_inner_add_yblock_sse2_start_16("xmm1", "xmm5", "3", "0")
743
snow_inner_add_yblock_sse2_accum_16("2", "16")
744
snow_inner_add_yblock_sse2_accum_16("1", "512")
745
snow_inner_add_yblock_sse2_accum_16("0", "528")
746
747
             "mov %0, %%"FF_REG_d"           \n\t"
748
             "psrlw $4, %%xmm1               \n\t"
749
             "psrlw $4, %%xmm5               \n\t"
750
             "paddw   (%%"FF_REG_D"), %%xmm1 \n\t"
751
             "paddw 16(%%"FF_REG_D"), %%xmm5 \n\t"
752
             "paddw %%xmm3, %%xmm1           \n\t"
753
             "paddw %%xmm3, %%xmm5           \n\t"
754
             "psraw $4, %%xmm1               \n\t" /* FRAC_BITS. */
755
             "psraw $4, %%xmm5               \n\t" /* FRAC_BITS. */
756
             "packuswb %%xmm5, %%xmm1        \n\t"
757
758
             "movdqu %%xmm1, (%%"FF_REG_d")  \n\t"
759
760
snow_inner_add_yblock_sse2_end_16
761
}
762
763
#define snow_inner_add_yblock_mmx_header \
764
    IDWTELEM * * dst_array = sb->line + src_y;\
765
    x86_reg tmp;\
766
    __asm__ volatile(\
767
             "mov  %7, %%"FF_REG_c"          \n\t"\
768
             "mov  %6, %2                    \n\t"\
769
             "mov  %4, %%"FF_REG_S"          \n\t"\
770
             "pxor %%mm7, %%mm7              \n\t" /* 0 */\
771
             "pcmpeqd %%mm3, %%mm3           \n\t"\
772
             "psllw $15, %%mm3               \n\t"\
773
             "psrlw $12, %%mm3               \n\t" /* FRAC_BITS >> 1 */\
774
             "1:                             \n\t"\
775
             "mov %1, %%"FF_REG_D"           \n\t"\
776
             "mov (%%"FF_REG_D"), %%"FF_REG_D" \n\t"\
777
             "add %3, %%"FF_REG_D"           \n\t"
778
779
#define snow_inner_add_yblock_mmx_start(out_reg1, out_reg2, ptr_offset, s_offset, d_offset)\
780
             "mov "FF_PTR_SIZE"*"ptr_offset"(%%"FF_REG_a"), %%"FF_REG_d"; \n\t"\
781
             "movd "d_offset"(%%"FF_REG_d"), %%"out_reg1"                 \n\t"\
782
             "movd "d_offset"+4(%%"FF_REG_d"), %%"out_reg2"               \n\t"\
783
             "punpcklbw %%mm7, %%"out_reg1" \n\t"\
784
             "punpcklbw %%mm7, %%"out_reg2" \n\t"\
785
             "movd "s_offset"(%%"FF_REG_S"), %%mm0   \n\t"\
786
             "movd "s_offset"+4(%%"FF_REG_S"), %%mm4 \n\t"\
787
             "punpcklbw %%mm7, %%mm0       \n\t"\
788
             "punpcklbw %%mm7, %%mm4       \n\t"\
789
             "pmullw %%mm0, %%"out_reg1"   \n\t"\
790
             "pmullw %%mm4, %%"out_reg2"   \n\t"
791
792
#define snow_inner_add_yblock_mmx_accum(ptr_offset, s_offset, d_offset) \
793
             snow_inner_add_yblock_mmx_start("mm2", "mm6", ptr_offset, s_offset, d_offset)\
794
             "paddusw %%mm2, %%mm1         \n\t"\
795
             "paddusw %%mm6, %%mm5         \n\t"
796
797
#define snow_inner_add_yblock_mmx_mix(read_offset, write_offset)\
798
             "mov %0, %%"FF_REG_d"           \n\t"\
799
             "psrlw $4, %%mm1                \n\t"\
800
             "psrlw $4, %%mm5                \n\t"\
801
             "paddw "read_offset"(%%"FF_REG_D"), %%mm1   \n\t"\
802
             "paddw "read_offset"+8(%%"FF_REG_D"), %%mm5 \n\t"\
803
             "paddw %%mm3, %%mm1             \n\t"\
804
             "paddw %%mm3, %%mm5             \n\t"\
805
             "psraw $4, %%mm1                \n\t"\
806
             "psraw $4, %%mm5                \n\t"\
807
             "packuswb %%mm5, %%mm1          \n\t"\
808
             "movq %%mm1, "write_offset"(%%"FF_REG_d") \n\t"
809
810
#define snow_inner_add_yblock_mmx_end(s_step)\
811
             "add $"s_step", %%"FF_REG_S"                      \n\t"\
812
             "add %%"FF_REG_c", "FF_PTR_SIZE"*3(%%"FF_REG_a"); \n\t"\
813
             "add %%"FF_REG_c", "FF_PTR_SIZE"*2(%%"FF_REG_a"); \n\t"\
814
             "add %%"FF_REG_c", "FF_PTR_SIZE"*1(%%"FF_REG_a"); \n\t"\
815
             "add %%"FF_REG_c", (%%"FF_REG_a")                 \n\t"\
816
             "add"FF_OPSIZE " $"FF_PTR_SIZE"*1, %1             \n\t"\
817
             "add %%"FF_REG_c", %0                             \n\t"\
818
             "dec %2                         \n\t"\
819
             "jnz 1b                         \n\t"\
820
             :"+m"(dst8),"+m"(dst_array),"=&r"(tmp)\
821
             :\
822
             "rm"((x86_reg)(src_x<<1)),"m"(obmc),"a"(block),"m"(b_h),"m"(src_stride):\
823
             "%"FF_REG_c"","%"FF_REG_S"","%"FF_REG_D"","%"FF_REG_d"");
824
825
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,
826
                      int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){
827
snow_inner_add_yblock_mmx_header
828
snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "0", "0")
829
snow_inner_add_yblock_mmx_accum("2", "8", "0")
830
snow_inner_add_yblock_mmx_accum("1", "128", "0")
831
snow_inner_add_yblock_mmx_accum("0", "136", "0")
832
snow_inner_add_yblock_mmx_mix("0", "0")
833
snow_inner_add_yblock_mmx_end("16")
834
}
835
836
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,
837
                      int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){
838
snow_inner_add_yblock_mmx_header
839
snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "0", "0")
840
snow_inner_add_yblock_mmx_accum("2", "16", "0")
841
snow_inner_add_yblock_mmx_accum("1", "512", "0")
842
snow_inner_add_yblock_mmx_accum("0", "528", "0")
843
snow_inner_add_yblock_mmx_mix("0", "0")
844
845
snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "8", "8")
846
snow_inner_add_yblock_mmx_accum("2", "24", "8")
847
snow_inner_add_yblock_mmx_accum("1", "520", "8")
848
snow_inner_add_yblock_mmx_accum("0", "536", "8")
849
snow_inner_add_yblock_mmx_mix("16", "8")
850
snow_inner_add_yblock_mmx_end("32")
851
}
852
853
static void ff_snow_inner_add_yblock_sse2(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h,
854
                           int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8){
855
856
    if (b_w == 16)
857
        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);
858
    else if (b_w == 8 && obmc_stride == 16) {
859
        if (!(b_h & 1))
860
            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);
861
        else
862
            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);
863
    } else
864
         ff_snow_inner_add_yblock(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
865
}
866
867
static void ff_snow_inner_add_yblock_mmx(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h,
868
                          int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8){
869
    if (b_w == 16)
870
        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);
871
    else if (b_w == 8 && obmc_stride == 16)
872
        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);
873
    else
874
        ff_snow_inner_add_yblock(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8);
875
}
876
#endif /* HAVE_6REGS */
877
878
#endif /* HAVE_INLINE_ASM */
879
880
31
av_cold void ff_dwt_init_x86(SnowDWTContext *c)
881
{
882
#if HAVE_INLINE_ASM
883
31
    int mm_flags = av_get_cpu_flags();
884
885
31
    if (mm_flags & AV_CPU_FLAG_MMX) {
886
        if(mm_flags & AV_CPU_FLAG_SSE2 & 0){
887
            c->horizontal_compose97i = ff_snow_horizontal_compose97i_sse2;
888
#if HAVE_7REGS
889
            c->vertical_compose97i = ff_snow_vertical_compose97i_sse2;
890
#endif
891
#if HAVE_6REGS
892
            c->inner_add_yblock = ff_snow_inner_add_yblock_sse2;
893
#endif
894
        }
895
        else{
896
2
            if (mm_flags & AV_CPU_FLAG_MMXEXT) {
897
2
            c->horizontal_compose97i = ff_snow_horizontal_compose97i_mmx;
898
#if HAVE_7REGS
899
2
            c->vertical_compose97i = ff_snow_vertical_compose97i_mmx;
900
#endif
901
            }
902
#if HAVE_6REGS
903
2
            c->inner_add_yblock = ff_snow_inner_add_yblock_mmx;
904
#endif
905
        }
906
    }
907
#endif /* HAVE_INLINE_ASM */
908
31
}