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ffmpeg / libavcodec / i386 / dsputil_mmx_rnd.h @ 8f2ab833

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1
/*
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 * DSP utils mmx functions are compiled twice for rnd/no_rnd
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 * Copyright (c) 2000, 2001 Fabrice Bellard.
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 * Copyright (c) 2003-2004 Michael Niedermayer <michaelni@gmx.at>
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library 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 this library; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 *
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 * MMX optimization by Nick Kurshev <nickols_k@mail.ru>
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 * mostly rewritten by Michael Niedermayer <michaelni@gmx.at>
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 * and improved by Zdenek Kabelac <kabi@users.sf.net>
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 */
24

    
25
// put_pixels
26
static void DEF(put, pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
27
{
28
    MOVQ_BFE(mm6);
29
    __asm __volatile(
30
        "lea        (%3, %3), %%eax                \n\t"
31
        ".balign 8                        \n\t"
32
        "1:                                \n\t"
33
        "movq        (%1), %%mm0                \n\t"
34
        "movq        1(%1), %%mm1                \n\t"
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        "movq        (%1, %3), %%mm2                \n\t"
36
        "movq        1(%1, %3), %%mm3        \n\t"
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        PAVGBP(%%mm0, %%mm1, %%mm4,   %%mm2, %%mm3, %%mm5)
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        "movq        %%mm4, (%2)                \n\t"
39
        "movq        %%mm5, (%2, %3)                \n\t"
40
        "addl        %%eax, %1                \n\t"
41
        "addl        %%eax, %2                \n\t"
42
        "movq        (%1), %%mm0                \n\t"
43
        "movq        1(%1), %%mm1                \n\t"
44
        "movq        (%1, %3), %%mm2                \n\t"
45
        "movq        1(%1, %3), %%mm3        \n\t"
46
        PAVGBP(%%mm0, %%mm1, %%mm4,   %%mm2, %%mm3, %%mm5)
47
        "movq        %%mm4, (%2)                \n\t"
48
        "movq        %%mm5, (%2, %3)                \n\t"
49
        "addl        %%eax, %1                \n\t"
50
        "addl        %%eax, %2                \n\t"
51
        "subl        $4, %0                        \n\t"
52
        "jnz        1b                        \n\t"
53
        :"+g"(h), "+S"(pixels), "+D"(block)
54
        :"r"(line_size)
55
        :"eax", "memory");
56
}
57

    
58
static void DEF(put, pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
59
{
60
    MOVQ_BFE(mm6);
61
    __asm __volatile(
62
        "testl $1, %0                        \n\t"
63
        " jz 1f                                \n\t"
64
        "movq        (%1), %%mm0                \n\t"
65
        "movq        (%2), %%mm1                \n\t"
66
        "addl        %4, %1                        \n\t"
67
        "addl        $8, %2                        \n\t"
68
        PAVGB(%%mm0, %%mm1, %%mm4, %%mm6)
69
        "movq        %%mm4, (%3)                \n\t"
70
        "addl        %5, %3                        \n\t"
71
        "decl        %0                        \n\t"
72
        ".balign 8                        \n\t"
73
        "1:                                \n\t"
74
        "movq        (%1), %%mm0                \n\t"
75
        "movq        (%2), %%mm1                \n\t"
76
        "addl        %4, %1                        \n\t"
77
        "movq        (%1), %%mm2                \n\t"
78
        "movq        8(%2), %%mm3                \n\t"
79
        "addl        %4, %1                        \n\t"
80
        PAVGBP(%%mm0, %%mm1, %%mm4,   %%mm2, %%mm3, %%mm5)
81
        "movq        %%mm4, (%3)                \n\t"
82
        "addl        %5, %3                        \n\t"
83
        "movq        %%mm5, (%3)                \n\t"
84
        "addl        %5, %3                        \n\t"
85
        "movq        (%1), %%mm0                \n\t"
86
        "movq        16(%2), %%mm1                \n\t"
87
        "addl        %4, %1                        \n\t"
88
        "movq        (%1), %%mm2                \n\t"
89
        "movq        24(%2), %%mm3                \n\t"
90
        "addl        %4, %1                        \n\t"
91
        "addl        $32, %2                        \n\t"
92
        PAVGBP(%%mm0, %%mm1, %%mm4,   %%mm2, %%mm3, %%mm5)
93
        "movq        %%mm4, (%3)                \n\t"
94
        "addl        %5, %3                        \n\t"
95
        "movq        %%mm5, (%3)                \n\t"
96
        "addl        %5, %3                        \n\t"
97
        "subl        $4, %0                        \n\t"
98
        "jnz        1b                        \n\t"
99
#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cant be used
100
        :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
101
#else
102
        :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
103
#endif
104
        :"S"(src1Stride), "D"(dstStride)
105
        :"memory");
106
}
107

    
108
static void DEF(put, pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
109
{
110
    MOVQ_BFE(mm6);
111
    __asm __volatile(
112
        "lea        (%3, %3), %%eax                \n\t"
113
        ".balign 8                        \n\t"
114
        "1:                                \n\t"
115
        "movq        (%1), %%mm0                \n\t"
116
        "movq        1(%1), %%mm1                \n\t"
117
        "movq        (%1, %3), %%mm2                \n\t"
118
        "movq        1(%1, %3), %%mm3        \n\t"
119
        PAVGBP(%%mm0, %%mm1, %%mm4,   %%mm2, %%mm3, %%mm5)
120
        "movq        %%mm4, (%2)                \n\t"
121
        "movq        %%mm5, (%2, %3)                \n\t"
122
        "movq        8(%1), %%mm0                \n\t"
123
        "movq        9(%1), %%mm1                \n\t"
124
        "movq        8(%1, %3), %%mm2        \n\t"
125
        "movq        9(%1, %3), %%mm3        \n\t"
126
        PAVGBP(%%mm0, %%mm1, %%mm4,   %%mm2, %%mm3, %%mm5)
127
        "movq        %%mm4, 8(%2)                \n\t"
128
        "movq        %%mm5, 8(%2, %3)        \n\t"
129
        "addl        %%eax, %1                \n\t"
130
        "addl        %%eax, %2                \n\t"
131
        "movq        (%1), %%mm0                \n\t"
132
        "movq        1(%1), %%mm1                \n\t"
133
        "movq        (%1, %3), %%mm2                \n\t"
134
        "movq        1(%1, %3), %%mm3        \n\t"
135
        PAVGBP(%%mm0, %%mm1, %%mm4,   %%mm2, %%mm3, %%mm5)
136
        "movq        %%mm4, (%2)                \n\t"
137
        "movq        %%mm5, (%2, %3)                \n\t"
138
        "movq        8(%1), %%mm0                \n\t"
139
        "movq        9(%1), %%mm1                \n\t"
140
        "movq        8(%1, %3), %%mm2        \n\t"
141
        "movq        9(%1, %3), %%mm3        \n\t"
142
        PAVGBP(%%mm0, %%mm1, %%mm4,   %%mm2, %%mm3, %%mm5)
143
        "movq        %%mm4, 8(%2)                \n\t"
144
        "movq        %%mm5, 8(%2, %3)        \n\t"
145
        "addl        %%eax, %1                \n\t"
146
        "addl        %%eax, %2                \n\t"
147
        "subl        $4, %0                        \n\t"
148
        "jnz        1b                        \n\t"
149
        :"+g"(h), "+S"(pixels), "+D"(block)
150
        :"r"(line_size)
151
        :"eax", "memory");
152
}
153

    
154
static void DEF(put, pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
155
{
156
    MOVQ_BFE(mm6);
157
    __asm __volatile(
158
        "testl $1, %0                        \n\t"
159
        " jz 1f                                \n\t"
160
        "movq        (%1), %%mm0                \n\t"
161
        "movq        (%2), %%mm1                \n\t"
162
        "movq        8(%1), %%mm2                \n\t"
163
        "movq        8(%2), %%mm3                \n\t"
164
        "addl        %4, %1                        \n\t"
165
        "addl        $16, %2                        \n\t"
166
        PAVGBP(%%mm0, %%mm1, %%mm4,   %%mm2, %%mm3, %%mm5)
167
        "movq        %%mm4, (%3)                \n\t"
168
        "movq        %%mm5, 8(%3)                \n\t"
169
        "addl        %5, %3                        \n\t"
170
        "decl        %0                        \n\t"
171
        ".balign 8                        \n\t"
172
        "1:                                \n\t"
173
        "movq        (%1), %%mm0                \n\t"
174
        "movq        (%2), %%mm1                \n\t"
175
        "movq        8(%1), %%mm2                \n\t"
176
        "movq        8(%2), %%mm3                \n\t"
177
        "addl        %4, %1                        \n\t"
178
        PAVGBP(%%mm0, %%mm1, %%mm4,   %%mm2, %%mm3, %%mm5)
179
        "movq        %%mm4, (%3)                \n\t"
180
        "movq        %%mm5, 8(%3)                \n\t"
181
        "addl        %5, %3                        \n\t"
182
        "movq        (%1), %%mm0                \n\t"
183
        "movq        16(%2), %%mm1                \n\t"
184
        "movq        8(%1), %%mm2                \n\t"
185
        "movq        24(%2), %%mm3                \n\t"
186
        "addl        %4, %1                        \n\t"
187
        PAVGBP(%%mm0, %%mm1, %%mm4,   %%mm2, %%mm3, %%mm5)
188
        "movq        %%mm4, (%3)                \n\t"
189
        "movq        %%mm5, 8(%3)                \n\t"
190
        "addl        %5, %3                        \n\t"
191
        "addl        $32, %2                        \n\t"
192
        "subl        $2, %0                        \n\t"
193
        "jnz        1b                        \n\t"
194
#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cant be used
195
        :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
196
#else
197
        :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
198
#endif
199
        :"S"(src1Stride), "D"(dstStride)
200
        :"memory"); 
201
}
202

    
203
static void DEF(put, pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
204
{
205
    MOVQ_BFE(mm6);
206
    __asm __volatile(
207
        "lea (%3, %3), %%eax                \n\t"
208
        "movq (%1), %%mm0                \n\t"
209
        ".balign 8                        \n\t"
210
        "1:                                \n\t"
211
        "movq        (%1, %3), %%mm1                \n\t"
212
        "movq        (%1, %%eax),%%mm2        \n\t"
213
        PAVGBP(%%mm1, %%mm0, %%mm4,   %%mm2, %%mm1, %%mm5)
214
        "movq        %%mm4, (%2)                \n\t"
215
        "movq        %%mm5, (%2, %3)                \n\t"
216
        "addl        %%eax, %1                \n\t"
217
        "addl        %%eax, %2                \n\t"
218
        "movq        (%1, %3), %%mm1                \n\t"
219
        "movq        (%1, %%eax),%%mm0        \n\t"
220
        PAVGBP(%%mm1, %%mm2, %%mm4,   %%mm0, %%mm1, %%mm5)
221
        "movq        %%mm4, (%2)                \n\t"
222
        "movq        %%mm5, (%2, %3)                \n\t"
223
        "addl        %%eax, %1                \n\t"
224
        "addl        %%eax, %2                \n\t"
225
        "subl        $4, %0                        \n\t"
226
        "jnz        1b                        \n\t"
227
        :"+g"(h), "+S"(pixels), "+D"(block)
228
        :"r"(line_size)
229
        :"eax", "memory");
230
}
231

    
232
static void DEF(put, pixels8_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
233
{
234
    MOVQ_ZERO(mm7);
235
    SET_RND(mm6); // =2 for rnd  and  =1 for no_rnd version
236
    __asm __volatile(
237
        "movq        (%1), %%mm0                \n\t"
238
        "movq        1(%1), %%mm4                \n\t"
239
        "movq        %%mm0, %%mm1                \n\t"
240
        "movq        %%mm4, %%mm5                \n\t"
241
        "punpcklbw %%mm7, %%mm0                \n\t"
242
        "punpcklbw %%mm7, %%mm4                \n\t"
243
        "punpckhbw %%mm7, %%mm1                \n\t"
244
        "punpckhbw %%mm7, %%mm5                \n\t"
245
        "paddusw %%mm0, %%mm4                \n\t"
246
        "paddusw %%mm1, %%mm5                \n\t"
247
        "xorl        %%eax, %%eax                \n\t"
248
        "addl        %3, %1                        \n\t"
249
        ".balign 8                      \n\t"
250
        "1:                                \n\t"
251
        "movq        (%1, %%eax), %%mm0        \n\t"
252
        "movq        1(%1, %%eax), %%mm2        \n\t"
253
        "movq        %%mm0, %%mm1                \n\t"
254
        "movq        %%mm2, %%mm3                \n\t"
255
        "punpcklbw %%mm7, %%mm0                \n\t"
256
        "punpcklbw %%mm7, %%mm2                \n\t"
257
        "punpckhbw %%mm7, %%mm1                \n\t"
258
        "punpckhbw %%mm7, %%mm3                \n\t"
259
        "paddusw %%mm2, %%mm0                 \n\t"
260
        "paddusw %%mm3, %%mm1                \n\t"
261
        "paddusw %%mm6, %%mm4                \n\t"
262
        "paddusw %%mm6, %%mm5                \n\t"
263
        "paddusw %%mm0, %%mm4                \n\t"
264
        "paddusw %%mm1, %%mm5                \n\t"
265
        "psrlw        $2, %%mm4                \n\t"
266
        "psrlw        $2, %%mm5                \n\t"
267
        "packuswb  %%mm5, %%mm4                \n\t"
268
        "movq        %%mm4, (%2, %%eax)        \n\t"
269
        "addl        %3, %%eax                \n\t"
270

    
271
        "movq        (%1, %%eax), %%mm2        \n\t" // 0 <-> 2   1 <-> 3
272
        "movq        1(%1, %%eax), %%mm4        \n\t"
273
        "movq        %%mm2, %%mm3                \n\t"
274
        "movq        %%mm4, %%mm5                \n\t"
275
        "punpcklbw %%mm7, %%mm2                \n\t"
276
        "punpcklbw %%mm7, %%mm4                \n\t"
277
        "punpckhbw %%mm7, %%mm3                \n\t"
278
        "punpckhbw %%mm7, %%mm5                \n\t"
279
        "paddusw %%mm2, %%mm4                 \n\t"
280
        "paddusw %%mm3, %%mm5                \n\t"
281
        "paddusw %%mm6, %%mm0                \n\t"
282
        "paddusw %%mm6, %%mm1                \n\t"
283
        "paddusw %%mm4, %%mm0                \n\t"
284
        "paddusw %%mm5, %%mm1                \n\t"
285
        "psrlw        $2, %%mm0                \n\t"
286
        "psrlw        $2, %%mm1                \n\t"
287
        "packuswb  %%mm1, %%mm0                \n\t"
288
        "movq        %%mm0, (%2, %%eax)        \n\t"
289
        "addl        %3, %%eax                \n\t"
290

    
291
        "subl        $2, %0                        \n\t"
292
        "jnz        1b                        \n\t"
293
        :"+g"(h), "+S"(pixels)
294
        :"D"(block), "r"(line_size)
295
        :"eax", "memory");
296
}
297

    
298
// avg_pixels
299
// in case more speed is needed - unroling would certainly help
300
static void DEF(avg, pixels8)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
301
{
302
    MOVQ_BFE(mm6);
303
    JUMPALIGN();
304
    do {
305
        __asm __volatile(
306
             "movq  %0, %%mm0                \n\t"
307
             "movq  %1, %%mm1                \n\t"
308
             PAVGB(%%mm0, %%mm1, %%mm2, %%mm6)
309
             "movq  %%mm2, %0                \n\t"
310
             :"+m"(*block)
311
             :"m"(*pixels)
312
             :"memory");
313
        pixels += line_size;
314
        block += line_size;
315
    }
316
    while (--h);
317
}
318

    
319
static void DEF(avg, pixels16)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
320
{
321
    MOVQ_BFE(mm6);
322
    JUMPALIGN();
323
    do {
324
        __asm __volatile(
325
             "movq  %0, %%mm0                \n\t"
326
             "movq  %1, %%mm1                \n\t"
327
             PAVGB(%%mm0, %%mm1, %%mm2, %%mm6)
328
             "movq  %%mm2, %0                \n\t"
329
             "movq  8%0, %%mm0                \n\t"
330
             "movq  8%1, %%mm1                \n\t"
331
             PAVGB(%%mm0, %%mm1, %%mm2, %%mm6)
332
             "movq  %%mm2, 8%0                \n\t"
333
             :"+m"(*block)
334
             :"m"(*pixels)
335
             :"memory");
336
        pixels += line_size;
337
        block += line_size;
338
    }
339
    while (--h);
340
}
341

    
342
static void DEF(avg, pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
343
{
344
    MOVQ_BFE(mm6);
345
    JUMPALIGN();
346
    do {
347
        __asm __volatile(
348
            "movq  %1, %%mm0                \n\t"
349
            "movq  1%1, %%mm1                \n\t"
350
            "movq  %0, %%mm3                \n\t"
351
            PAVGB(%%mm0, %%mm1, %%mm2, %%mm6)
352
            PAVGB(%%mm3, %%mm2, %%mm0, %%mm6)
353
            "movq  %%mm0, %0                \n\t"
354
            :"+m"(*block)
355
            :"m"(*pixels)
356
            :"memory");
357
        pixels += line_size;
358
        block += line_size;
359
    } while (--h);
360
}
361

    
362
static void DEF(avg, pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
363
{
364
    MOVQ_BFE(mm6);
365
    JUMPALIGN();
366
    do {
367
        __asm __volatile(
368
            "movq  %1, %%mm0                \n\t"
369
            "movq  %2, %%mm1                \n\t"
370
            "movq  %0, %%mm3                \n\t"
371
            PAVGB(%%mm0, %%mm1, %%mm2, %%mm6)
372
            PAVGB(%%mm3, %%mm2, %%mm0, %%mm6)
373
            "movq  %%mm0, %0                \n\t"
374
            :"+m"(*dst)
375
            :"m"(*src1), "m"(*src2)
376
            :"memory");
377
        dst += dstStride;
378
        src1 += src1Stride;
379
        src2 += 8;
380
    } while (--h);
381
}
382

    
383
static void DEF(avg, pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
384
{
385
    MOVQ_BFE(mm6);
386
    JUMPALIGN();
387
    do {
388
        __asm __volatile(
389
            "movq  %1, %%mm0                \n\t"
390
            "movq  1%1, %%mm1                \n\t"
391
            "movq  %0, %%mm3                \n\t"
392
            PAVGB(%%mm0, %%mm1, %%mm2, %%mm6)
393
            PAVGB(%%mm3, %%mm2, %%mm0, %%mm6)
394
            "movq  %%mm0, %0                \n\t"
395
            "movq  8%1, %%mm0                \n\t"
396
            "movq  9%1, %%mm1                \n\t"
397
            "movq  8%0, %%mm3                \n\t"
398
            PAVGB(%%mm0, %%mm1, %%mm2, %%mm6)
399
            PAVGB(%%mm3, %%mm2, %%mm0, %%mm6)
400
            "movq  %%mm0, 8%0                \n\t"
401
            :"+m"(*block)
402
            :"m"(*pixels)
403
            :"memory");
404
        pixels += line_size;
405
        block += line_size;
406
    } while (--h);
407
}
408

    
409
static void DEF(avg, pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
410
{
411
    MOVQ_BFE(mm6);
412
    JUMPALIGN();
413
    do {
414
        __asm __volatile(
415
            "movq  %1, %%mm0                \n\t"
416
            "movq  %2, %%mm1                \n\t"
417
            "movq  %0, %%mm3                \n\t"
418
            PAVGB(%%mm0, %%mm1, %%mm2, %%mm6)
419
            PAVGB(%%mm3, %%mm2, %%mm0, %%mm6)
420
            "movq  %%mm0, %0                \n\t"
421
            "movq  8%1, %%mm0                \n\t"
422
            "movq  8%2, %%mm1                \n\t"
423
            "movq  8%0, %%mm3                \n\t"
424
            PAVGB(%%mm0, %%mm1, %%mm2, %%mm6)
425
            PAVGB(%%mm3, %%mm2, %%mm0, %%mm6)
426
            "movq  %%mm0, 8%0                \n\t"
427
            :"+m"(*dst)
428
            :"m"(*src1), "m"(*src2)
429
            :"memory");
430
        dst += dstStride;
431
        src1 += src1Stride;
432
        src2 += 16;
433
    } while (--h);
434
}
435

    
436
static void DEF(avg, pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
437
{
438
    MOVQ_BFE(mm6);
439
    __asm __volatile(
440
        "lea        (%3, %3), %%eax                \n\t"
441
        "movq        (%1), %%mm0                \n\t"
442
        ".balign 8                        \n\t"
443
        "1:                                \n\t"
444
        "movq        (%1, %3), %%mm1                \n\t"
445
        "movq        (%1, %%eax), %%mm2        \n\t"
446
        PAVGBP(%%mm1, %%mm0, %%mm4,   %%mm2, %%mm1, %%mm5)
447
        "movq        (%2), %%mm3                \n\t"
448
        PAVGB(%%mm3, %%mm4, %%mm0, %%mm6)
449
        "movq        (%2, %3), %%mm3                \n\t"
450
        PAVGB(%%mm3, %%mm5, %%mm1, %%mm6)
451
        "movq        %%mm0, (%2)                \n\t"
452
        "movq        %%mm1, (%2, %3)                \n\t"
453
        "addl        %%eax, %1                \n\t"
454
        "addl        %%eax, %2                \n\t"
455

    
456
        "movq        (%1, %3), %%mm1                \n\t"
457
        "movq        (%1, %%eax), %%mm0        \n\t"
458
        PAVGBP(%%mm1, %%mm2, %%mm4,   %%mm0, %%mm1, %%mm5)
459
        "movq        (%2), %%mm3                \n\t"
460
        PAVGB(%%mm3, %%mm4, %%mm2, %%mm6)
461
        "movq        (%2, %3), %%mm3                \n\t"
462
        PAVGB(%%mm3, %%mm5, %%mm1, %%mm6)
463
        "movq        %%mm2, (%2)                \n\t"
464
        "movq        %%mm1, (%2, %3)                \n\t"
465
        "addl        %%eax, %1                \n\t"
466
        "addl        %%eax, %2                \n\t"
467

    
468
        "subl        $4, %0                        \n\t"
469
        "jnz        1b                        \n\t"
470
        :"+g"(h), "+S"(pixels), "+D"(block)
471
        :"r"(line_size)
472
        :"eax", "memory");
473
}
474

    
475
// this routine is 'slightly' suboptimal but mostly unused
476
static void DEF(avg, pixels8_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
477
{
478
    MOVQ_ZERO(mm7);
479
    SET_RND(mm6); // =2 for rnd  and  =1 for no_rnd version
480
    __asm __volatile(
481
        "movq        (%1), %%mm0                \n\t"
482
        "movq        1(%1), %%mm4                \n\t"
483
        "movq        %%mm0, %%mm1                \n\t"
484
        "movq        %%mm4, %%mm5                \n\t"
485
        "punpcklbw %%mm7, %%mm0                \n\t"
486
        "punpcklbw %%mm7, %%mm4                \n\t"
487
        "punpckhbw %%mm7, %%mm1                \n\t"
488
        "punpckhbw %%mm7, %%mm5                \n\t"
489
        "paddusw %%mm0, %%mm4                \n\t"
490
        "paddusw %%mm1, %%mm5                \n\t"
491
        "xorl        %%eax, %%eax                \n\t"
492
        "addl        %3, %1                        \n\t"
493
        ".balign 8                        \n\t"
494
        "1:                                \n\t"
495
        "movq        (%1, %%eax), %%mm0        \n\t"
496
        "movq        1(%1, %%eax), %%mm2        \n\t"
497
        "movq        %%mm0, %%mm1                \n\t"
498
        "movq        %%mm2, %%mm3                \n\t"
499
        "punpcklbw %%mm7, %%mm0                \n\t"
500
        "punpcklbw %%mm7, %%mm2                \n\t"
501
        "punpckhbw %%mm7, %%mm1                \n\t"
502
        "punpckhbw %%mm7, %%mm3                \n\t"
503
        "paddusw %%mm2, %%mm0                 \n\t"
504
        "paddusw %%mm3, %%mm1                \n\t"
505
        "paddusw %%mm6, %%mm4                \n\t"
506
        "paddusw %%mm6, %%mm5                \n\t"
507
        "paddusw %%mm0, %%mm4                \n\t"
508
        "paddusw %%mm1, %%mm5                \n\t"
509
        "psrlw        $2, %%mm4                \n\t"
510
        "psrlw        $2, %%mm5                \n\t"
511
                "movq        (%2, %%eax), %%mm3        \n\t"
512
        "packuswb  %%mm5, %%mm4                \n\t"
513
                "pcmpeqd %%mm2, %%mm2        \n\t"
514
                "paddb %%mm2, %%mm2        \n\t"
515
                PAVGB(%%mm3, %%mm4, %%mm5, %%mm2)
516
                "movq        %%mm5, (%2, %%eax)        \n\t"
517
        "addl        %3, %%eax                \n\t"
518

    
519
        "movq        (%1, %%eax), %%mm2        \n\t" // 0 <-> 2   1 <-> 3
520
        "movq        1(%1, %%eax), %%mm4        \n\t"
521
        "movq        %%mm2, %%mm3                \n\t"
522
        "movq        %%mm4, %%mm5                \n\t"
523
        "punpcklbw %%mm7, %%mm2                \n\t"
524
        "punpcklbw %%mm7, %%mm4                \n\t"
525
        "punpckhbw %%mm7, %%mm3                \n\t"
526
        "punpckhbw %%mm7, %%mm5                \n\t"
527
        "paddusw %%mm2, %%mm4                 \n\t"
528
        "paddusw %%mm3, %%mm5                \n\t"
529
        "paddusw %%mm6, %%mm0                \n\t"
530
        "paddusw %%mm6, %%mm1                \n\t"
531
        "paddusw %%mm4, %%mm0                \n\t"
532
        "paddusw %%mm5, %%mm1                \n\t"
533
        "psrlw        $2, %%mm0                \n\t"
534
        "psrlw        $2, %%mm1                \n\t"
535
                "movq        (%2, %%eax), %%mm3        \n\t"
536
        "packuswb  %%mm1, %%mm0                \n\t"
537
                "pcmpeqd %%mm2, %%mm2        \n\t"
538
                "paddb %%mm2, %%mm2        \n\t"
539
                PAVGB(%%mm3, %%mm0, %%mm1, %%mm2)
540
                "movq        %%mm1, (%2, %%eax)        \n\t"
541
        "addl        %3, %%eax                \n\t"
542

    
543
        "subl        $2, %0                        \n\t"
544
        "jnz        1b                        \n\t"
545
        :"+g"(h), "+S"(pixels)
546
        :"D"(block), "r"(line_size)
547
        :"eax", "memory");
548
}
549

    
550
//FIXME optimize
551
static void DEF(put, pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
552
    DEF(put, pixels8_y2)(block  , pixels  , line_size, h);
553
    DEF(put, pixels8_y2)(block+8, pixels+8, line_size, h);
554
}
555

    
556
static void DEF(put, pixels16_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
557
    DEF(put, pixels8_xy2)(block  , pixels  , line_size, h);
558
    DEF(put, pixels8_xy2)(block+8, pixels+8, line_size, h);
559
}
560

    
561
static void DEF(avg, pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
562
    DEF(avg, pixels8_y2)(block  , pixels  , line_size, h);
563
    DEF(avg, pixels8_y2)(block+8, pixels+8, line_size, h);
564
}
565

    
566
static void DEF(avg, pixels16_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
567
    DEF(avg, pixels8_xy2)(block  , pixels  , line_size, h);
568
    DEF(avg, pixels8_xy2)(block+8, pixels+8, line_size, h);
569
}
570

    
571