1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
|
;******************************************************************************
;* 32 point SSE-optimized DCT transform
;* Copyright (c) 2010 Vitor Sessak
;*
;* This file is part of Libav.
;*
;* Libav is free software; you can redistribute it and/or
;* modify it under the terms of the GNU Lesser General Public
;* License as published by the Free Software Foundation; either
;* version 2.1 of the License, or (at your option) any later version.
;*
;* Libav is distributed in the hope that it will be useful,
;* but WITHOUT ANY WARRANTY; without even the implied warranty of
;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;* Lesser General Public License for more details.
;*
;* You should have received a copy of the GNU Lesser General Public
;* License along with Libav; if not, write to the Free Software
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************
%include "x86inc.asm"
%include "x86util.asm"
SECTION_RODATA 32
align 32
ps_cos_vec: dd 0.500603, 0.505471, 0.515447, 0.531043
dd 0.553104, 0.582935, 0.622504, 0.674808
dd -10.190008, -3.407609, -2.057781, -1.484165
dd -1.169440, -0.972568, -0.839350, -0.744536
dd 0.502419, 0.522499, 0.566944, 0.646822
dd 0.788155, 1.060678, 1.722447, 5.101149
dd 0.509796, 0.601345, 0.899976, 2.562916
dd 0.509796, 0.601345, 0.899976, 2.562916
dd 1.000000, 1.000000, 1.306563, 0.541196
dd 1.000000, 1.000000, 1.306563, 0.541196
dd 1.000000, 0.707107, 1.000000, -0.707107
dd 1.000000, 0.707107, 1.000000, -0.707107
dd 0.707107, 0.707107, 0.707107, 0.707107
align 32
ps_p1p1m1m1: dd 0, 0, 0x80000000, 0x80000000, 0, 0, 0x80000000, 0x80000000
%macro BUTTERFLY_SSE 4
movaps %4, %1
subps %1, %2
addps %2, %4
mulps %1, %3
%endmacro
%macro BUTTERFLY_AVX 4
vsubps %4, %1, %2
vaddps %2, %2, %1
vmulps %1, %4, %3
%endmacro
%macro BUTTERFLY0_SSE 5
movaps %4, %1
shufps %1, %1, %5
xorps %4, %2
addps %1, %4
mulps %1, %3
%endmacro
%macro BUTTERFLY0_AVX 5
vshufps %4, %1, %1, %5
vxorps %1, %1, %2
vaddps %4, %4, %1
vmulps %1, %4, %3
%endmacro
%macro BUTTERFLY2 4
BUTTERFLY0 %1, %2, %3, %4, 0x1b
%endmacro
%macro BUTTERFLY3 4
BUTTERFLY0 %1, %2, %3, %4, 0xb1
%endmacro
%macro BUTTERFLY3V 5
movaps m%5, m%1
addps m%1, m%2
subps m%5, m%2
SWAP %2, %5
mulps m%2, [ps_cos_vec+192]
movaps m%5, m%3
addps m%3, m%4
subps m%4, m%5
mulps m%4, [ps_cos_vec+192]
%endmacro
%macro PASS6_AND_PERMUTE 0
mov tmpd, [outq+4]
movss m7, [outq+72]
addss m7, [outq+76]
movss m3, [outq+56]
addss m3, [outq+60]
addss m4, m3
movss m2, [outq+52]
addss m2, m3
movss m3, [outq+104]
addss m3, [outq+108]
addss m1, m3
addss m5, m4
movss [outq+ 16], m1
movss m1, [outq+100]
addss m1, m3
movss m3, [outq+40]
movss [outq+ 48], m1
addss m3, [outq+44]
movss m1, [outq+100]
addss m4, m3
addss m3, m2
addss m1, [outq+108]
movss [outq+ 40], m3
addss m2, [outq+36]
movss m3, [outq+8]
movss [outq+ 56], m2
addss m3, [outq+12]
movss [outq+ 32], m3
movss m3, [outq+80]
movss [outq+ 8], m5
movss [outq+ 80], m1
movss m2, [outq+52]
movss m5, [outq+120]
addss m5, [outq+124]
movss m1, [outq+64]
addss m2, [outq+60]
addss m0, m5
addss m5, [outq+116]
mov [outq+64], tmpd
addss m6, m0
addss m1, m6
mov tmpd, [outq+12]
mov [outq+ 96], tmpd
movss [outq+ 4], m1
movss m1, [outq+24]
movss [outq+ 24], m4
movss m4, [outq+88]
addss m4, [outq+92]
addss m3, m4
addss m4, [outq+84]
mov tmpd, [outq+108]
addss m1, [outq+28]
addss m0, m1
addss m1, m5
addss m6, m3
addss m3, m0
addss m0, m7
addss m5, [outq+20]
addss m7, m1
movss [outq+ 12], m6
mov [outq+112], tmpd
movss m6, [outq+28]
movss [outq+ 28], m0
movss m0, [outq+36]
movss [outq+ 36], m7
addss m1, m4
movss m7, [outq+116]
addss m0, m2
addss m7, [outq+124]
movss [outq+ 72], m0
movss m0, [outq+44]
addss m2, m0
movss [outq+ 44], m1
movss [outq+ 88], m2
addss m0, [outq+60]
mov tmpd, [outq+60]
mov [outq+120], tmpd
movss [outq+104], m0
addss m4, m5
addss m5, [outq+68]
movss [outq+52], m4
movss [outq+60], m5
movss m4, [outq+68]
movss m5, [outq+20]
movss [outq+ 20], m3
addss m5, m7
addss m7, m6
addss m4, m5
movss m2, [outq+84]
addss m2, [outq+92]
addss m5, m2
movss [outq+ 68], m4
addss m2, m7
movss m4, [outq+76]
movss [outq+ 84], m2
movss [outq+ 76], m5
addss m7, m4
addss m6, [outq+124]
addss m4, m6
addss m6, [outq+92]
movss [outq+100], m4
movss [outq+108], m6
movss m6, [outq+92]
movss [outq+92], m7
addss m6, [outq+124]
movss [outq+116], m6
%endmacro
%define BUTTERFLY BUTTERFLY_AVX
%define BUTTERFLY0 BUTTERFLY0_AVX
INIT_YMM
section .text align=16
%ifdef HAVE_AVX
; void ff_dct32_float_avx(FFTSample *out, const FFTSample *in)
cglobal dct32_float_avx, 2,3,8, out, in, tmp
; pass 1
vmovaps m4, [inq+0]
vinsertf128 m5, m5, [inq+96], 1
vinsertf128 m5, m5, [inq+112], 0
vshufps m5, m5, m5, 0x1b
BUTTERFLY m4, m5, [ps_cos_vec], m6
vmovaps m2, [inq+64]
vinsertf128 m6, m6, [inq+32], 1
vinsertf128 m6, m6, [inq+48], 0
vshufps m6, m6, m6, 0x1b
BUTTERFLY m2, m6, [ps_cos_vec+32], m0
; pass 2
BUTTERFLY m5, m6, [ps_cos_vec+64], m0
BUTTERFLY m4, m2, [ps_cos_vec+64], m7
; pass 3
vperm2f128 m3, m6, m4, 0x31
vperm2f128 m1, m6, m4, 0x20
vshufps m3, m3, m3, 0x1b
BUTTERFLY m1, m3, [ps_cos_vec+96], m6
vperm2f128 m4, m5, m2, 0x20
vperm2f128 m5, m5, m2, 0x31
vshufps m5, m5, m5, 0x1b
BUTTERFLY m4, m5, [ps_cos_vec+96], m6
; pass 4
vmovaps m6, [ps_p1p1m1m1+0]
vmovaps m2, [ps_cos_vec+128]
BUTTERFLY2 m5, m6, m2, m7
BUTTERFLY2 m4, m6, m2, m7
BUTTERFLY2 m1, m6, m2, m7
BUTTERFLY2 m3, m6, m2, m7
; pass 5
vshufps m6, m6, m6, 0xcc
vmovaps m2, [ps_cos_vec+160]
BUTTERFLY3 m5, m6, m2, m7
BUTTERFLY3 m4, m6, m2, m7
BUTTERFLY3 m1, m6, m2, m7
BUTTERFLY3 m3, m6, m2, m7
vperm2f128 m6, m3, m3, 0x31
vmovaps [outq], m3
vextractf128 [outq+64], m5, 1
vextractf128 [outq+32], m5, 0
vextractf128 [outq+80], m4, 1
vextractf128 [outq+48], m4, 0
vperm2f128 m0, m1, m1, 0x31
vmovaps [outq+96], m1
vzeroupper
; pass 6, no SIMD...
INIT_XMM
PASS6_AND_PERMUTE
RET
%endif
%define BUTTERFLY BUTTERFLY_SSE
%define BUTTERFLY0 BUTTERFLY0_SSE
%ifdef ARCH_X86_64
%define SPILL SWAP
%define UNSPILL SWAP
%macro PASS5 0
nop ; FIXME code alignment
SWAP 5, 8
SWAP 4, 12
SWAP 6, 14
SWAP 7, 13
SWAP 0, 15
PERMUTE 9,10, 10,12, 11,14, 12,9, 13,11, 14,13
TRANSPOSE4x4PS 8, 9, 10, 11, 0
BUTTERFLY3V 8, 9, 10, 11, 0
addps m10, m11
TRANSPOSE4x4PS 12, 13, 14, 15, 0
BUTTERFLY3V 12, 13, 14, 15, 0
addps m14, m15
addps m12, m14
addps m14, m13
addps m13, m15
%endmacro
%macro PASS6 0
SWAP 9, 12
SWAP 11, 14
movss [outq+0x00], m8
pshuflw m0, m8, 0xe
movss [outq+0x10], m9
pshuflw m1, m9, 0xe
movss [outq+0x20], m10
pshuflw m2, m10, 0xe
movss [outq+0x30], m11
pshuflw m3, m11, 0xe
movss [outq+0x40], m12
pshuflw m4, m12, 0xe
movss [outq+0x50], m13
pshuflw m5, m13, 0xe
movss [outq+0x60], m14
pshuflw m6, m14, 0xe
movaps [outq+0x70], m15
pshuflw m7, m15, 0xe
addss m0, m1
addss m1, m2
movss [outq+0x08], m0
addss m2, m3
movss [outq+0x18], m1
addss m3, m4
movss [outq+0x28], m2
addss m4, m5
movss [outq+0x38], m3
addss m5, m6
movss [outq+0x48], m4
addss m6, m7
movss [outq+0x58], m5
movss [outq+0x68], m6
movss [outq+0x78], m7
PERMUTE 1,8, 3,9, 5,10, 7,11, 9,12, 11,13, 13,14, 8,1, 10,3, 12,5, 14,7
movhlps m0, m1
pshufd m1, m1, 3
SWAP 0, 2, 4, 6, 8, 10, 12, 14
SWAP 1, 3, 5, 7, 9, 11, 13, 15
%rep 7
movhlps m0, m1
pshufd m1, m1, 3
addss m15, m1
SWAP 0, 2, 4, 6, 8, 10, 12, 14
SWAP 1, 3, 5, 7, 9, 11, 13, 15
%endrep
%assign i 4
%rep 15
addss m0, m1
movss [outq+i], m0
SWAP 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
%assign i i+8
%endrep
%endmacro
%else ; ARCH_X86_32
%macro SPILL 2 ; xmm#, mempos
movaps [outq+(%2-8)*16], m%1
%endmacro
%macro UNSPILL 2
movaps m%1, [outq+(%2-8)*16]
%endmacro
%define PASS6 PASS6_AND_PERMUTE
%macro PASS5 0
movaps m2, [ps_cos_vec+160]
shufps m3, m3, 0xcc
BUTTERFLY3 m5, m3, m2, m1
SPILL 5, 8
UNSPILL 1, 9
BUTTERFLY3 m1, m3, m2, m5
SPILL 1, 14
BUTTERFLY3 m4, m3, m2, m5
SPILL 4, 12
BUTTERFLY3 m7, m3, m2, m5
SPILL 7, 13
UNSPILL 5, 10
BUTTERFLY3 m5, m3, m2, m7
SPILL 5, 10
UNSPILL 4, 11
BUTTERFLY3 m4, m3, m2, m7
SPILL 4, 11
BUTTERFLY3 m6, m3, m2, m7
SPILL 6, 9
BUTTERFLY3 m0, m3, m2, m7
SPILL 0, 15
%endmacro
%endif
INIT_XMM
; void ff_dct32_float_sse(FFTSample *out, const FFTSample *in)
cglobal dct32_float_sse, 2,3,16, out, in, tmp
; pass 1
movaps m0, [inq+0]
movaps m1, [inq+112]
shufps m1, m1, 0x1b
BUTTERFLY m0, m1, [ps_cos_vec], m3
movaps m7, [inq+64]
movaps m4, [inq+48]
shufps m4, m4, 0x1b
BUTTERFLY m7, m4, [ps_cos_vec+32], m3
; pass 2
movaps m2, [ps_cos_vec+64]
BUTTERFLY m1, m4, m2, m3
SPILL 1, 11
SPILL 4, 8
; pass 1
movaps m1, [inq+16]
movaps m6, [inq+96]
shufps m6, m6, 0x1b
BUTTERFLY m1, m6, [ps_cos_vec+16], m3
movaps m4, [inq+80]
movaps m5, [inq+32]
shufps m5, m5, 0x1b
BUTTERFLY m4, m5, [ps_cos_vec+48], m3
; pass 2
BUTTERFLY m0, m7, m2, m3
movaps m2, [ps_cos_vec+80]
BUTTERFLY m6, m5, m2, m3
BUTTERFLY m1, m4, m2, m3
; pass 3
movaps m2, [ps_cos_vec+96]
shufps m1, m1, 0x1b
BUTTERFLY m0, m1, m2, m3
SPILL 0, 15
SPILL 1, 14
UNSPILL 0, 8
shufps m5, m5, 0x1b
BUTTERFLY m0, m5, m2, m3
UNSPILL 1, 11
shufps m6, m6, 0x1b
BUTTERFLY m1, m6, m2, m3
SPILL 1, 11
shufps m4, m4, 0x1b
BUTTERFLY m7, m4, m2, m3
; pass 4
movaps m3, [ps_p1p1m1m1+0]
movaps m2, [ps_cos_vec+128]
BUTTERFLY2 m5, m3, m2, m1
BUTTERFLY2 m0, m3, m2, m1
SPILL 0, 9
BUTTERFLY2 m6, m3, m2, m1
SPILL 6, 10
UNSPILL 0, 11
BUTTERFLY2 m0, m3, m2, m1
SPILL 0, 11
BUTTERFLY2 m4, m3, m2, m1
BUTTERFLY2 m7, m3, m2, m1
UNSPILL 6, 14
BUTTERFLY2 m6, m3, m2, m1
UNSPILL 0, 15
BUTTERFLY2 m0, m3, m2, m1
PASS5
PASS6
RET
|
