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
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
|
;*****************************************************************************
;* MMX/SSE2-optimized H.264 iDCT
;*****************************************************************************
;* Copyright (C) 2004-2005 Michael Niedermayer, Loren Merritt
;* Copyright (C) 2003-2008 x264 project
;*
;* Authors: Laurent Aimar <fenrir@via.ecp.fr>
;* Loren Merritt <lorenm@u.washington.edu>
;* Holger Lubitz <hal@duncan.ol.sub.de>
;* Min Chen <chenm001.163.com>
;*
;* This file is part of FFmpeg.
;*
;* FFmpeg 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.
;*
;* FFmpeg 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 FFmpeg; if not, write to the Free Software
;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;*****************************************************************************
%include "x86inc.asm"
%include "x86util.asm"
SECTION_RODATA
; FIXME this table is a duplicate from h264data.h, and will be removed once the tables from, h264 have been split
scan8_mem: db 4+1*8, 5+1*8, 4+2*8, 5+2*8
db 6+1*8, 7+1*8, 6+2*8, 7+2*8
db 4+3*8, 5+3*8, 4+4*8, 5+4*8
db 6+3*8, 7+3*8, 6+4*8, 7+4*8
db 1+1*8, 2+1*8
db 1+2*8, 2+2*8
db 1+4*8, 2+4*8
db 1+5*8, 2+5*8
%ifdef PIC
%define scan8 r11
%else
%define scan8 scan8_mem
%endif
cextern pw_32
SECTION .text
; %1=uint8_t *dst, %2=int16_t *block, %3=int stride
%macro IDCT4_ADD 3
; Load dct coeffs
movq m0, [%2]
movq m1, [%2+8]
movq m2, [%2+16]
movq m3, [%2+24]
IDCT4_1D 0, 1, 2, 3, 4, 5
mova m6, [pw_32]
TRANSPOSE4x4W 0, 1, 2, 3, 4
paddw m0, m6
IDCT4_1D 0, 1, 2, 3, 4, 5
pxor m7, m7
STORE_DIFFx2 m0, m1, m4, m5, m7, 6, %1, %3
lea %1, [%1+%3*2]
STORE_DIFFx2 m2, m3, m4, m5, m7, 6, %1, %3
%endmacro
INIT_MMX
; ff_h264_idct_add_mmx(uint8_t *dst, int16_t *block, int stride)
cglobal h264_idct_add_mmx, 3, 3, 0
IDCT4_ADD r0, r1, r2
RET
%macro IDCT8_1D 2
mova m4, m5
mova m0, m1
psraw m4, 1
psraw m1, 1
paddw m4, m5
paddw m1, m0
paddw m4, m7
paddw m1, m5
psubw m4, m0
paddw m1, m3
psubw m0, m3
psubw m5, m3
paddw m0, m7
psubw m5, m7
psraw m3, 1
psraw m7, 1
psubw m0, m3
psubw m5, m7
mova m3, m4
mova m7, m1
psraw m1, 2
psraw m3, 2
paddw m3, m0
psraw m0, 2
paddw m1, m5
psraw m5, 2
psubw m0, m4
psubw m7, m5
mova m4, m2
mova m5, m6
psraw m4, 1
psraw m6, 1
psubw m4, m5
paddw m6, m2
mova m2, %1
mova m5, %2
SUMSUB_BA m5, m2
SUMSUB_BA m6, m5
SUMSUB_BA m4, m2
SUMSUB_BA m7, m6
SUMSUB_BA m0, m4
SUMSUB_BA m3, m2
SUMSUB_BA m1, m5
SWAP 7, 6, 4, 5, 2, 3, 1, 0 ; 70315246 -> 01234567
%endmacro
%macro IDCT8_1D_FULL 1
mova m7, [%1+112]
mova m6, [%1+ 96]
mova m5, [%1+ 80]
mova m3, [%1+ 48]
mova m2, [%1+ 32]
mova m1, [%1+ 16]
IDCT8_1D [%1], [%1+ 64]
%endmacro
; %1=int16_t *block, %2=int16_t *dstblock
%macro IDCT8_ADD_MMX_START 2
IDCT8_1D_FULL %1
mova [%1], m7
TRANSPOSE4x4W 0, 1, 2, 3, 7
mova m7, [%1]
mova [%2 ], m0
mova [%2+16], m1
mova [%2+32], m2
mova [%2+48], m3
TRANSPOSE4x4W 4, 5, 6, 7, 3
mova [%2+ 8], m4
mova [%2+24], m5
mova [%2+40], m6
mova [%2+56], m7
%endmacro
; %1=uint8_t *dst, %2=int16_t *block, %3=int stride
%macro IDCT8_ADD_MMX_END 3
IDCT8_1D_FULL %2
mova [%2 ], m5
mova [%2+16], m6
mova [%2+32], m7
pxor m7, m7
STORE_DIFFx2 m0, m1, m5, m6, m7, 6, %1, %3
lea %1, [%1+%3*2]
STORE_DIFFx2 m2, m3, m5, m6, m7, 6, %1, %3
mova m0, [%2 ]
mova m1, [%2+16]
mova m2, [%2+32]
lea %1, [%1+%3*2]
STORE_DIFFx2 m4, m0, m5, m6, m7, 6, %1, %3
lea %1, [%1+%3*2]
STORE_DIFFx2 m1, m2, m5, m6, m7, 6, %1, %3
%endmacro
INIT_MMX
; ff_h264_idct8_add_mmx(uint8_t *dst, int16_t *block, int stride)
cglobal h264_idct8_add_mmx, 3, 4, 0
%assign pad 128+4-(stack_offset&7)
SUB rsp, pad
add word [r1], 32
IDCT8_ADD_MMX_START r1 , rsp
IDCT8_ADD_MMX_START r1+8, rsp+64
lea r3, [r0+4]
IDCT8_ADD_MMX_END r0 , rsp, r2
IDCT8_ADD_MMX_END r3 , rsp+8, r2
ADD rsp, pad
RET
; %1=uint8_t *dst, %2=int16_t *block, %3=int stride
%macro IDCT8_ADD_SSE 4
IDCT8_1D_FULL %2
%ifdef ARCH_X86_64
TRANSPOSE8x8W 0, 1, 2, 3, 4, 5, 6, 7, 8
%else
TRANSPOSE8x8W 0, 1, 2, 3, 4, 5, 6, 7, [%2], [%2+16]
%endif
paddw m0, [pw_32]
%ifndef ARCH_X86_64
mova [%2 ], m0
mova [%2+16], m4
IDCT8_1D [%2], [%2+ 16]
mova [%2 ], m6
mova [%2+16], m7
%else
SWAP 0, 8
SWAP 4, 9
IDCT8_1D m8, m9
SWAP 6, 8
SWAP 7, 9
%endif
pxor m7, m7
lea %4, [%3*3]
STORE_DIFF m0, m6, m7, [%1 ]
STORE_DIFF m1, m6, m7, [%1+%3 ]
STORE_DIFF m2, m6, m7, [%1+%3*2]
STORE_DIFF m3, m6, m7, [%1+%4 ]
%ifndef ARCH_X86_64
mova m0, [%2 ]
mova m1, [%2+16]
%else
SWAP 0, 8
SWAP 1, 9
%endif
lea %1, [%1+%3*4]
STORE_DIFF m4, m6, m7, [%1 ]
STORE_DIFF m5, m6, m7, [%1+%3 ]
STORE_DIFF m0, m6, m7, [%1+%3*2]
STORE_DIFF m1, m6, m7, [%1+%4 ]
%endmacro
INIT_XMM
; ff_h264_idct8_add_sse2(uint8_t *dst, int16_t *block, int stride)
cglobal h264_idct8_add_sse2, 3, 4, 10
IDCT8_ADD_SSE r0, r1, r2, r3
RET
%macro DC_ADD_MMX2_INIT 2-3
%if %0 == 2
movsx %1, word [%1]
add %1, 32
sar %1, 6
movd m0, %1
lea %1, [%2*3]
%else
add %3, 32
sar %3, 6
movd m0, %3
lea %3, [%2*3]
%endif
pshufw m0, m0, 0
pxor m1, m1
psubw m1, m0
packuswb m0, m0
packuswb m1, m1
%endmacro
%macro DC_ADD_MMX2_OP 3-4
%1 m2, [%2 ]
%1 m3, [%2+%3 ]
%1 m4, [%2+%3*2]
%1 m5, [%2+%4 ]
paddusb m2, m0
paddusb m3, m0
paddusb m4, m0
paddusb m5, m0
psubusb m2, m1
psubusb m3, m1
psubusb m4, m1
psubusb m5, m1
%1 [%2 ], m2
%1 [%2+%3 ], m3
%1 [%2+%3*2], m4
%1 [%2+%4 ], m5
%endmacro
INIT_MMX
; ff_h264_idct_dc_add_mmx2(uint8_t *dst, int16_t *block, int stride)
cglobal h264_idct_dc_add_mmx2, 3, 3, 0
DC_ADD_MMX2_INIT r1, r2
DC_ADD_MMX2_OP movh, r0, r2, r1
RET
; ff_h264_idct8_dc_add_mmx2(uint8_t *dst, int16_t *block, int stride)
cglobal h264_idct8_dc_add_mmx2, 3, 3, 0
DC_ADD_MMX2_INIT r1, r2
DC_ADD_MMX2_OP mova, r0, r2, r1
lea r0, [r0+r2*4]
DC_ADD_MMX2_OP mova, r0, r2, r1
RET
; ff_h264_idct_add16_mmx(uint8_t *dst, const int *block_offset,
; DCTELEM *block, int stride, const uint8_t nnzc[6*8])
cglobal h264_idct_add16_mmx, 5, 7, 0
xor r5, r5
%ifdef PIC
lea r11, [scan8_mem]
%endif
.nextblock
movzx r6, byte [scan8+r5]
movzx r6, byte [r4+r6]
test r6, r6
jz .skipblock
mov r6d, dword [r1+r5*4]
lea r6, [r0+r6]
IDCT4_ADD r6, r2, r3
.skipblock
inc r5
add r2, 32
cmp r5, 16
jl .nextblock
REP_RET
; ff_h264_idct8_add4_mmx(uint8_t *dst, const int *block_offset,
; DCTELEM *block, int stride, const uint8_t nnzc[6*8])
cglobal h264_idct8_add4_mmx, 5, 7, 0
%assign pad 128+4-(stack_offset&7)
SUB rsp, pad
xor r5, r5
%ifdef PIC
lea r11, [scan8_mem]
%endif
.nextblock
movzx r6, byte [scan8+r5]
movzx r6, byte [r4+r6]
test r6, r6
jz .skipblock
mov r6d, dword [r1+r5*4]
lea r6, [r0+r6]
add word [r2], 32
IDCT8_ADD_MMX_START r2 , rsp
IDCT8_ADD_MMX_START r2+8, rsp+64
IDCT8_ADD_MMX_END r6 , rsp, r3
mov r6d, dword [r1+r5*4]
lea r6, [r0+r6+4]
IDCT8_ADD_MMX_END r6 , rsp+8, r3
.skipblock
add r5, 4
add r2, 128
cmp r5, 16
jl .nextblock
ADD rsp, pad
RET
; ff_h264_idct_add16_mmx2(uint8_t *dst, const int *block_offset,
; DCTELEM *block, int stride, const uint8_t nnzc[6*8])
cglobal h264_idct_add16_mmx2, 5, 7, 0
xor r5, r5
%ifdef PIC
lea r11, [scan8_mem]
%endif
.nextblock
movzx r6, byte [scan8+r5]
movzx r6, byte [r4+r6]
test r6, r6
jz .skipblock
cmp r6, 1
jnz .no_dc
movsx r6, word [r2]
test r6, r6
jz .no_dc
DC_ADD_MMX2_INIT r2, r3, r6
%ifdef ARCH_X86_64
%define dst_reg r10
%define dst_regd r10d
%else
%define dst_reg r1
%define dst_regd r1d
%endif
mov dst_regd, dword [r1+r5*4]
lea dst_reg, [r0+dst_reg]
DC_ADD_MMX2_OP movh, dst_reg, r3, r6
%ifndef ARCH_X86_64
mov r1, r1m
%endif
inc r5
add r2, 32
cmp r5, 16
jl .nextblock
REP_RET
.no_dc
mov r6d, dword [r1+r5*4]
lea r6, [r0+r6]
IDCT4_ADD r6, r2, r3
.skipblock
inc r5
add r2, 32
cmp r5, 16
jl .nextblock
REP_RET
; ff_h264_idct_add16intra_mmx(uint8_t *dst, const int *block_offset,
; DCTELEM *block, int stride, const uint8_t nnzc[6*8])
cglobal h264_idct_add16intra_mmx, 5, 7, 0
xor r5, r5
%ifdef PIC
lea r11, [scan8_mem]
%endif
.nextblock
movzx r6, byte [scan8+r5]
movzx r6, byte [r4+r6]
or r6w, word [r2]
test r6, r6
jz .skipblock
mov r6d, dword [r1+r5*4]
lea r6, [r0+r6]
IDCT4_ADD r6, r2, r3
.skipblock
inc r5
add r2, 32
cmp r5, 16
jl .nextblock
REP_RET
; ff_h264_idct_add16intra_mmx2(uint8_t *dst, const int *block_offset,
; DCTELEM *block, int stride, const uint8_t nnzc[6*8])
cglobal h264_idct_add16intra_mmx2, 5, 7, 0
xor r5, r5
%ifdef PIC
lea r11, [scan8_mem]
%endif
.nextblock
movzx r6, byte [scan8+r5]
movzx r6, byte [r4+r6]
test r6, r6
jz .try_dc
mov r6d, dword [r1+r5*4]
lea r6, [r0+r6]
IDCT4_ADD r6, r2, r3
inc r5
add r2, 32
cmp r5, 16
jl .nextblock
REP_RET
.try_dc
movsx r6, word [r2]
test r6, r6
jz .skipblock
DC_ADD_MMX2_INIT r2, r3, r6
%ifdef ARCH_X86_64
%define dst_reg r10
%define dst_regd r10d
%else
%define dst_reg r1
%define dst_regd r1d
%endif
mov dst_regd, dword [r1+r5*4]
lea dst_reg, [r0+dst_reg]
DC_ADD_MMX2_OP movh, dst_reg, r3, r6
%ifndef ARCH_X86_64
mov r1, r1m
%endif
.skipblock
inc r5
add r2, 32
cmp r5, 16
jl .nextblock
REP_RET
; ff_h264_idct8_add4_mmx2(uint8_t *dst, const int *block_offset,
; DCTELEM *block, int stride, const uint8_t nnzc[6*8])
cglobal h264_idct8_add4_mmx2, 5, 7, 0
%assign pad 128+4-(stack_offset&7)
SUB rsp, pad
xor r5, r5
%ifdef PIC
lea r11, [scan8_mem]
%endif
.nextblock
movzx r6, byte [scan8+r5]
movzx r6, byte [r4+r6]
test r6, r6
jz .skipblock
cmp r6, 1
jnz .no_dc
movsx r6, word [r2]
test r6, r6
jz .no_dc
DC_ADD_MMX2_INIT r2, r3, r6
%ifdef ARCH_X86_64
%define dst_reg r10
%define dst_regd r10d
%else
%define dst_reg r1
%define dst_regd r1d
%endif
mov dst_regd, dword [r1+r5*4]
lea dst_reg, [r0+dst_reg]
DC_ADD_MMX2_OP mova, dst_reg, r3, r6
lea dst_reg, [dst_reg+r3*4]
DC_ADD_MMX2_OP mova, dst_reg, r3, r6
%ifndef ARCH_X86_64
mov r1, r1m
%endif
add r5, 4
add r2, 128
cmp r5, 16
jl .nextblock
ADD rsp, pad
RET
.no_dc
mov r6d, dword [r1+r5*4]
lea r6, [r0+r6]
add word [r2], 32
IDCT8_ADD_MMX_START r2 , rsp
IDCT8_ADD_MMX_START r2+8, rsp+64
IDCT8_ADD_MMX_END r6 , rsp, r3
mov r6d, dword [r1+r5*4]
lea r6, [r0+r6+4]
IDCT8_ADD_MMX_END r6 , rsp+8, r3
.skipblock
add r5, 4
add r2, 128
cmp r5, 16
jl .nextblock
ADD rsp, pad
RET
INIT_XMM
; ff_h264_idct8_add4_sse2(uint8_t *dst, const int *block_offset,
; DCTELEM *block, int stride, const uint8_t nnzc[6*8])
cglobal h264_idct8_add4_sse2, 5, 7, 10
xor r5, r5
%ifdef PIC
lea r11, [scan8_mem]
%endif
.nextblock
movzx r6, byte [scan8+r5]
movzx r6, byte [r4+r6]
test r6, r6
jz .skipblock
cmp r6, 1
jnz .no_dc
movsx r6, word [r2]
test r6, r6
jz .no_dc
INIT_MMX
DC_ADD_MMX2_INIT r2, r3, r6
%ifdef ARCH_X86_64
%define dst_reg r10
%define dst_regd r10d
%else
%define dst_reg r1
%define dst_regd r1d
%endif
mov dst_regd, dword [r1+r5*4]
lea dst_reg, [r0+dst_reg]
DC_ADD_MMX2_OP mova, dst_reg, r3, r6
lea dst_reg, [dst_reg+r3*4]
DC_ADD_MMX2_OP mova, dst_reg, r3, r6
%ifndef ARCH_X86_64
mov r1, r1m
%endif
add r5, 4
add r2, 128
cmp r5, 16
jl .nextblock
REP_RET
.no_dc
INIT_XMM
mov dst_regd, dword [r1+r5*4]
lea dst_reg, [r0+dst_reg]
IDCT8_ADD_SSE dst_reg, r2, r3, r6
%ifndef ARCH_X86_64
mov r1, r1m
%endif
.skipblock
add r5, 4
add r2, 128
cmp r5, 16
jl .nextblock
REP_RET
INIT_MMX
h264_idct_add8_mmx_plane:
.nextblock
movzx r6, byte [scan8+r5]
movzx r6, byte [r4+r6]
or r6w, word [r2]
test r6, r6
jz .skipblock
%ifdef ARCH_X86_64
mov r0d, dword [r1+r5*4]
add r0, [r10]
%else
mov r0, r1m ; XXX r1m here is actually r0m of the calling func
mov r0, [r0]
add r0, dword [r1+r5*4]
%endif
IDCT4_ADD r0, r2, r3
.skipblock
inc r5
add r2, 32
test r5, 3
jnz .nextblock
rep ret
; ff_h264_idct_add8_mmx(uint8_t **dest, const int *block_offset,
; DCTELEM *block, int stride, const uint8_t nnzc[6*8])
cglobal h264_idct_add8_mmx, 5, 7, 0
mov r5, 16
add r2, 512
%ifdef PIC
lea r11, [scan8_mem]
%endif
%ifdef ARCH_X86_64
mov r10, r0
%endif
call h264_idct_add8_mmx_plane
%ifdef ARCH_X86_64
add r10, gprsize
%else
add r0mp, gprsize
%endif
call h264_idct_add8_mmx_plane
RET
h264_idct_add8_mmx2_plane
.nextblock
movzx r6, byte [scan8+r5]
movzx r6, byte [r4+r6]
test r6, r6
jz .try_dc
%ifdef ARCH_X86_64
mov r0d, dword [r1+r5*4]
add r0, [r10]
%else
mov r0, r1m ; XXX r1m here is actually r0m of the calling func
mov r0, [r0]
add r0, dword [r1+r5*4]
%endif
IDCT4_ADD r0, r2, r3
inc r5
add r2, 32
test r5, 3
jnz .nextblock
rep ret
.try_dc
movsx r6, word [r2]
test r6, r6
jz .skipblock
DC_ADD_MMX2_INIT r2, r3, r6
%ifdef ARCH_X86_64
mov r0d, dword [r1+r5*4]
add r0, [r10]
%else
mov r0, r1m ; XXX r1m here is actually r0m of the calling func
mov r0, [r0]
add r0, dword [r1+r5*4]
%endif
DC_ADD_MMX2_OP movh, r0, r3, r6
.skipblock
inc r5
add r2, 32
test r5, 3
jnz .nextblock
rep ret
; ff_h264_idct_add8_mmx2(uint8_t **dest, const int *block_offset,
; DCTELEM *block, int stride, const uint8_t nnzc[6*8])
cglobal h264_idct_add8_mmx2, 5, 7, 0
mov r5, 16
add r2, 512
%ifdef ARCH_X86_64
mov r10, r0
%endif
%ifdef PIC
lea r11, [scan8_mem]
%endif
call h264_idct_add8_mmx2_plane
%ifdef ARCH_X86_64
add r10, gprsize
%else
add r0mp, gprsize
%endif
call h264_idct_add8_mmx2_plane
RET
INIT_MMX
; r0 = uint8_t *dst, r2 = int16_t *block, r3 = int stride, r6=clobbered
h264_idct_dc_add8_mmx2:
movd m0, [r2 ] ; 0 0 X D
punpcklwd m0, [r2+32] ; x X d D
paddsw m0, [pw_32]
psraw m0, 6
punpcklwd m0, m0 ; d d D D
pxor m1, m1 ; 0 0 0 0
psubw m1, m0 ; -d-d-D-D
packuswb m0, m1 ; -d-d-D-D d d D D
pshufw m1, m0, 0xFA ; -d-d-d-d-D-D-D-D
punpcklwd m0, m0 ; d d d d D D D D
lea r6, [r3*3]
DC_ADD_MMX2_OP movq, r0, r3, r6
ret
ALIGN 16
INIT_XMM
; r0 = uint8_t *dst (clobbered), r2 = int16_t *block, r3 = int stride
x264_add8x4_idct_sse2:
movq m0, [r2+ 0]
movq m1, [r2+ 8]
movq m2, [r2+16]
movq m3, [r2+24]
movhps m0, [r2+32]
movhps m1, [r2+40]
movhps m2, [r2+48]
movhps m3, [r2+56]
IDCT4_1D 0,1,2,3,4,5
TRANSPOSE2x4x4W 0,1,2,3,4
paddw m0, [pw_32]
IDCT4_1D 0,1,2,3,4,5
pxor m7, m7
STORE_DIFFx2 m0, m1, m4, m5, m7, 6, r0, r3
lea r0, [r0+r3*2]
STORE_DIFFx2 m2, m3, m4, m5, m7, 6, r0, r3
ret
%macro add16_sse2_cycle 2
movzx r0, word [r4+%2]
test r0, r0
jz .cycle%1end
mov r0d, dword [r1+%1*8]
%ifdef ARCH_X86_64
add r0, r10
%else
add r0, r0m
%endif
call x264_add8x4_idct_sse2
.cycle%1end
%if %1 < 7
add r2, 64
%endif
%endmacro
; ff_h264_idct_add16_sse2(uint8_t *dst, const int *block_offset,
; DCTELEM *block, int stride, const uint8_t nnzc[6*8])
cglobal h264_idct_add16_sse2, 5, 5, 8
%ifdef ARCH_X86_64
mov r10, r0
%endif
; unrolling of the loop leads to an average performance gain of
; 20-25%
add16_sse2_cycle 0, 0xc
add16_sse2_cycle 1, 0x14
add16_sse2_cycle 2, 0xe
add16_sse2_cycle 3, 0x16
add16_sse2_cycle 4, 0x1c
add16_sse2_cycle 5, 0x24
add16_sse2_cycle 6, 0x1e
add16_sse2_cycle 7, 0x26
RET
%macro add16intra_sse2_cycle 2
movzx r0, word [r4+%2]
test r0, r0
jz .try%1dc
mov r0d, dword [r1+%1*8]
%ifdef ARCH_X86_64
add r0, r10
%else
add r0, r0m
%endif
call x264_add8x4_idct_sse2
jmp .cycle%1end
.try%1dc
movsx r0, word [r2 ]
or r0w, word [r2+32]
jz .cycle%1end
mov r0d, dword [r1+%1*8]
%ifdef ARCH_X86_64
add r0, r10
%else
add r0, r0m
%endif
call h264_idct_dc_add8_mmx2
.cycle%1end
%if %1 < 7
add r2, 64
%endif
%endmacro
; ff_h264_idct_add16intra_sse2(uint8_t *dst, const int *block_offset,
; DCTELEM *block, int stride, const uint8_t nnzc[6*8])
cglobal h264_idct_add16intra_sse2, 5, 7, 8
%ifdef ARCH_X86_64
mov r10, r0
%endif
add16intra_sse2_cycle 0, 0xc
add16intra_sse2_cycle 1, 0x14
add16intra_sse2_cycle 2, 0xe
add16intra_sse2_cycle 3, 0x16
add16intra_sse2_cycle 4, 0x1c
add16intra_sse2_cycle 5, 0x24
add16intra_sse2_cycle 6, 0x1e
add16intra_sse2_cycle 7, 0x26
RET
%macro add8_sse2_cycle 2
movzx r0, word [r4+%2]
test r0, r0
jz .try%1dc
%ifdef ARCH_X86_64
mov r0d, dword [r1+%1*8+64]
add r0, [r10]
%else
mov r0, r0m
mov r0, [r0]
add r0, dword [r1+%1*8+64]
%endif
call x264_add8x4_idct_sse2
jmp .cycle%1end
.try%1dc
movsx r0, word [r2 ]
or r0w, word [r2+32]
jz .cycle%1end
%ifdef ARCH_X86_64
mov r0d, dword [r1+%1*8+64]
add r0, [r10]
%else
mov r0, r0m
mov r0, [r0]
add r0, dword [r1+%1*8+64]
%endif
call h264_idct_dc_add8_mmx2
.cycle%1end
%if %1 < 3
add r2, 64
%endif
%endmacro
; ff_h264_idct_add8_sse2(uint8_t **dest, const int *block_offset,
; DCTELEM *block, int stride, const uint8_t nnzc[6*8])
cglobal h264_idct_add8_sse2, 5, 7, 8
add r2, 512
%ifdef ARCH_X86_64
mov r10, r0
%endif
add8_sse2_cycle 0, 0x09
add8_sse2_cycle 1, 0x11
%ifdef ARCH_X86_64
add r10, gprsize
%else
add r0mp, gprsize
%endif
add8_sse2_cycle 2, 0x21
add8_sse2_cycle 3, 0x29
RET
|
