aboutsummaryrefslogtreecommitdiffstats
path: root/libavcodec/x86/me_cmp.asm
blob: eb036ee4bc05f9621a7aa27153bb87aac5c3af52 (plain) (blame)
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
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
;*****************************************************************************
;* SIMD-optimized motion compensation estimation
;*****************************************************************************
;* Copyright (c) 2000, 2001 Fabrice Bellard
;* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
;*
;* 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
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;*****************************************************************************

%include "libavutil/x86/x86util.asm"

SECTION_RODATA

cextern pb_1
cextern pb_80

SECTION .text

%macro DIFF_PIXELS_1 4
    movh            %1, %3
    movh            %2, %4
    punpcklbw       %2, %1
    punpcklbw       %1, %1
    psubw           %1, %2
%endmacro

; %1=const uint8_t *pix1, %2=const uint8_t *pix2, %3=static offset, %4=stride, %5=stride*3
; %6=temporary storage location
; this macro requires $mmsize stack space (aligned) on %6 (except on SSE+x86-64)
%macro DIFF_PIXELS_8 6
    DIFF_PIXELS_1   m0, m7, [%1     +%3], [%2     +%3]
    DIFF_PIXELS_1   m1, m7, [%1+%4  +%3], [%2+%4  +%3]
    DIFF_PIXELS_1   m2, m7, [%1+%4*2+%3], [%2+%4*2+%3]
    add             %1, %5
    add             %2, %5
    DIFF_PIXELS_1   m3, m7, [%1     +%3], [%2     +%3]
    DIFF_PIXELS_1   m4, m7, [%1+%4  +%3], [%2+%4  +%3]
    DIFF_PIXELS_1   m5, m7, [%1+%4*2+%3], [%2+%4*2+%3]
    DIFF_PIXELS_1   m6, m7, [%1+%5  +%3], [%2+%5  +%3]
%ifdef m8
    DIFF_PIXELS_1   m7, m8, [%1+%4*4+%3], [%2+%4*4+%3]
%else
    mova          [%6], m0
    DIFF_PIXELS_1   m7, m0, [%1+%4*4+%3], [%2+%4*4+%3]
    mova            m0, [%6]
%endif
    sub             %1, %5
    sub             %2, %5
%endmacro

%macro HADAMARD8 0
    SUMSUB_BADC       w, 0, 1, 2, 3
    SUMSUB_BADC       w, 4, 5, 6, 7
    SUMSUB_BADC       w, 0, 2, 1, 3
    SUMSUB_BADC       w, 4, 6, 5, 7
    SUMSUB_BADC       w, 0, 4, 1, 5
    SUMSUB_BADC       w, 2, 6, 3, 7
%endmacro

%macro ABS1_SUM 3
    ABS1            %1, %2
    paddusw         %3, %1
%endmacro

%macro ABS2_SUM 6
    ABS2            %1, %2, %3, %4
    paddusw         %5, %1
    paddusw         %6, %2
%endmacro

%macro ABS_SUM_8x8_64 1
    ABS2            m0, m1, m8, m9
    ABS2_SUM        m2, m3, m8, m9, m0, m1
    ABS2_SUM        m4, m5, m8, m9, m0, m1
    ABS2_SUM        m6, m7, m8, m9, m0, m1
    paddusw         m0, m1
%endmacro

%macro ABS_SUM_8x8_32 1
    mova          [%1], m7
    ABS1            m0, m7
    ABS1            m1, m7
    ABS1_SUM        m2, m7, m0
    ABS1_SUM        m3, m7, m1
    ABS1_SUM        m4, m7, m0
    ABS1_SUM        m5, m7, m1
    ABS1_SUM        m6, m7, m0
    mova            m2, [%1]
    ABS1_SUM        m2, m7, m1
    paddusw         m0, m1
%endmacro

; FIXME: HSUM saturates at 64k, while an 8x8 hadamard or dct block can get up to
; about 100k on extreme inputs. But that's very unlikely to occur in natural video,
; and it's even more unlikely to not have any alternative mvs/modes with lower cost.
%macro HSUM 3
%if cpuflag(sse2)
    movhlps         %2, %1
    paddusw         %1, %2
    pshuflw         %2, %1, 0xE
    paddusw         %1, %2
    pshuflw         %2, %1, 0x1
    paddusw         %1, %2
    movd            %3, %1
%elif cpuflag(mmxext)
    pshufw          %2, %1, 0xE
    paddusw         %1, %2
    pshufw          %2, %1, 0x1
    paddusw         %1, %2
    movd            %3, %1
%elif cpuflag(mmx)
    mova            %2, %1
    psrlq           %1, 32
    paddusw         %1, %2
    mova            %2, %1
    psrlq           %1, 16
    paddusw         %1, %2
    movd            %3, %1
%endif
%endmacro

%macro STORE4 5
    mova [%1+mmsize*0], %2
    mova [%1+mmsize*1], %3
    mova [%1+mmsize*2], %4
    mova [%1+mmsize*3], %5
%endmacro

%macro LOAD4 5
    mova            %2, [%1+mmsize*0]
    mova            %3, [%1+mmsize*1]
    mova            %4, [%1+mmsize*2]
    mova            %5, [%1+mmsize*3]
%endmacro

%macro hadamard8_16_wrapper 2
cglobal hadamard8_diff, 4, 4, %1
%ifndef m8
    %assign pad %2*mmsize-(4+stack_offset&(mmsize-1))
    SUB            rsp, pad
%endif
    call hadamard8x8_diff %+ SUFFIX
%ifndef m8
    ADD            rsp, pad
%endif
    RET

cglobal hadamard8_diff16, 5, 6, %1
%ifndef m8
    %assign pad %2*mmsize-(4+stack_offset&(mmsize-1))
    SUB            rsp, pad
%endif

    call hadamard8x8_diff %+ SUFFIX
    mov            r5d, eax

    add             r1, 8
    add             r2, 8
    call hadamard8x8_diff %+ SUFFIX
    add            r5d, eax

    cmp            r4d, 16
    jne .done

    lea             r1, [r1+r3*8-8]
    lea             r2, [r2+r3*8-8]
    call hadamard8x8_diff %+ SUFFIX
    add            r5d, eax

    add             r1, 8
    add             r2, 8
    call hadamard8x8_diff %+ SUFFIX
    add            r5d, eax

.done:
    mov            eax, r5d
%ifndef m8
    ADD            rsp, pad
%endif
    RET
%endmacro

%macro HADAMARD8_DIFF 0-1
%if cpuflag(sse2)
hadamard8x8_diff %+ SUFFIX:
    lea                          r0, [r3*3]
    DIFF_PIXELS_8                r1, r2,  0, r3, r0, rsp+gprsize
    HADAMARD8
%if ARCH_X86_64
    TRANSPOSE8x8W                 0,  1,  2,  3,  4,  5,  6,  7,  8
%else
    TRANSPOSE8x8W                 0,  1,  2,  3,  4,  5,  6,  7, [rsp+gprsize], [rsp+mmsize+gprsize]
%endif
    HADAMARD8
    ABS_SUM_8x8         rsp+gprsize
    HSUM                        m0, m1, eax
    and                         eax, 0xFFFF
    ret

hadamard8_16_wrapper %1, 3
%elif cpuflag(mmx)
ALIGN 16
; int ff_hadamard8_diff_ ## cpu(MpegEncContext *s, const uint8_t *src1,
;                               const uint8_t *src2, ptrdiff_t stride, int h)
; r0 = void *s = unused, int h = unused (always 8)
; note how r1, r2 and r3 are not clobbered in this function, so 16x16
; can simply call this 2x2x (and that's why we access rsp+gprsize
; everywhere, which is rsp of calling func
hadamard8x8_diff %+ SUFFIX:
    lea                          r0, [r3*3]

    ; first 4x8 pixels
    DIFF_PIXELS_8                r1, r2,  0, r3, r0, rsp+gprsize+0x60
    HADAMARD8
    mova         [rsp+gprsize+0x60], m7
    TRANSPOSE4x4W                 0,  1,  2,  3,  7
    STORE4              rsp+gprsize, m0, m1, m2, m3
    mova                         m7, [rsp+gprsize+0x60]
    TRANSPOSE4x4W                 4,  5,  6,  7,  0
    STORE4         rsp+gprsize+0x40, m4, m5, m6, m7

    ; second 4x8 pixels
    DIFF_PIXELS_8                r1, r2,  4, r3, r0, rsp+gprsize+0x60
    HADAMARD8
    mova         [rsp+gprsize+0x60], m7
    TRANSPOSE4x4W                 0,  1,  2,  3,  7
    STORE4         rsp+gprsize+0x20, m0, m1, m2, m3
    mova                         m7, [rsp+gprsize+0x60]
    TRANSPOSE4x4W                 4,  5,  6,  7,  0

    LOAD4          rsp+gprsize+0x40, m0, m1, m2, m3
    HADAMARD8
    ABS_SUM_8x8_32 rsp+gprsize+0x60
    mova         [rsp+gprsize+0x60], m0

    LOAD4          rsp+gprsize     , m0, m1, m2, m3
    LOAD4          rsp+gprsize+0x20, m4, m5, m6, m7
    HADAMARD8
    ABS_SUM_8x8_32 rsp+gprsize
    paddusw                      m0, [rsp+gprsize+0x60]

    HSUM                         m0, m1, eax
    and                         rax, 0xFFFF
    ret

hadamard8_16_wrapper 0, 14
%endif
%endmacro

%if HAVE_ALIGNED_STACK == 0
INIT_MMX mmxext
HADAMARD8_DIFF
%endif

INIT_XMM sse2
%if ARCH_X86_64
%define ABS_SUM_8x8 ABS_SUM_8x8_64
%else
%define ABS_SUM_8x8 ABS_SUM_8x8_32
%endif
HADAMARD8_DIFF 10

INIT_XMM ssse3
%define ABS_SUM_8x8 ABS_SUM_8x8_64
HADAMARD8_DIFF 9

; int ff_sse*_*(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
;               ptrdiff_t line_size, int h)

%macro SUM_SQUARED_ERRORS 1
cglobal sse%1, 5,5,8, v, pix1, pix2, lsize, h
%if %1 == mmsize
    shr       hd, 1
%endif
    pxor      m0, m0         ; mm0 = 0
    pxor      m7, m7         ; mm7 holds the sum

.next2lines: ; FIXME why are these unaligned movs? pix1[] is aligned
    movu      m1, [pix1q]    ; m1 = pix1[0][0-15], [0-7] for mmx
    movu      m2, [pix2q]    ; m2 = pix2[0][0-15], [0-7] for mmx
%if %1 == mmsize
    movu      m3, [pix1q+lsizeq] ; m3 = pix1[1][0-15], [0-7] for mmx
    movu      m4, [pix2q+lsizeq] ; m4 = pix2[1][0-15], [0-7] for mmx
%else  ; %1 / 2 == mmsize; mmx only
    mova      m3, [pix1q+8]  ; m3 = pix1[0][8-15]
    mova      m4, [pix2q+8]  ; m4 = pix2[0][8-15]
%endif

    ; todo: mm1-mm2, mm3-mm4
    ; algo: subtract mm1 from mm2 with saturation and vice versa
    ;       OR the result to get the absolute difference
    mova      m5, m1
    mova      m6, m3
    psubusb   m1, m2
    psubusb   m3, m4
    psubusb   m2, m5
    psubusb   m4, m6

    por       m2, m1
    por       m4, m3

    ; now convert to 16-bit vectors so we can square them
    mova      m1, m2
    mova      m3, m4

    punpckhbw m2, m0
    punpckhbw m4, m0
    punpcklbw m1, m0         ; mm1 not spread over (mm1,mm2)
    punpcklbw m3, m0         ; mm4 not spread over (mm3,mm4)

    pmaddwd   m2, m2
    pmaddwd   m4, m4
    pmaddwd   m1, m1
    pmaddwd   m3, m3

    paddd     m1, m2
    paddd     m3, m4
    paddd     m7, m1
    paddd     m7, m3

%if %1 == mmsize
    lea    pix1q, [pix1q + 2*lsizeq]
    lea    pix2q, [pix2q + 2*lsizeq]
%else
    add    pix1q, lsizeq
    add    pix2q, lsizeq
%endif
    dec       hd
    jnz .next2lines

    HADDD     m7, m1
    movd     eax, m7         ; return value
    RET
%endmacro

INIT_MMX mmx
SUM_SQUARED_ERRORS 8

INIT_MMX mmx
SUM_SQUARED_ERRORS 16

INIT_XMM sse2
SUM_SQUARED_ERRORS 16

;-----------------------------------------------
;int ff_sum_abs_dctelem(const int16_t *block)
;-----------------------------------------------
; %1 = number of xmm registers used
; %2 = number of inline loops

%macro SUM_ABS_DCTELEM 2
cglobal sum_abs_dctelem, 1, 1, %1, block
    pxor    m0, m0
    pxor    m1, m1
%assign %%i 0
%rep %2
    mova      m2, [blockq+mmsize*(0+%%i)]
    mova      m3, [blockq+mmsize*(1+%%i)]
    mova      m4, [blockq+mmsize*(2+%%i)]
    mova      m5, [blockq+mmsize*(3+%%i)]
    ABS1_SUM  m2, m6, m0
    ABS1_SUM  m3, m6, m1
    ABS1_SUM  m4, m6, m0
    ABS1_SUM  m5, m6, m1
%assign %%i %%i+4
%endrep
    paddusw m0, m1
    HSUM    m0, m1, eax
    and     eax, 0xFFFF
    RET
%endmacro

INIT_XMM sse2
SUM_ABS_DCTELEM 7, 2
INIT_XMM ssse3
SUM_ABS_DCTELEM 6, 2

;------------------------------------------------------------------------------
; int ff_hf_noise*_mmx(const uint8_t *pix1, ptrdiff_t lsize, int h)
;------------------------------------------------------------------------------
; %1 = 8/16. %2-5=m#
%macro HF_NOISE_PART1 5
    mova      m%2, [pix1q]
%if %1 == 8
    mova      m%3, m%2
    psllq     m%2, 8
    psrlq     m%3, 8
    psrlq     m%2, 8
%else
    mova      m%3, [pix1q+1]
%endif
    mova      m%4, m%2
    mova      m%5, m%3
    punpcklbw m%2, m7
    punpcklbw m%3, m7
    punpckhbw m%4, m7
    punpckhbw m%5, m7
    psubw     m%2, m%3
    psubw     m%4, m%5
%endmacro

; %1-2 = m#
%macro HF_NOISE_PART2 4
    psubw     m%1, m%3
    psubw     m%2, m%4
    pxor       m3, m3
    pxor       m1, m1
    pcmpgtw    m3, m%1
    pcmpgtw    m1, m%2
    pxor      m%1, m3
    pxor      m%2, m1
    psubw     m%1, m3
    psubw     m%2, m1
    paddw     m%2, m%1
    paddw      m6, m%2
%endmacro

; %1 = 8/16
%macro HF_NOISE 1
cglobal hf_noise%1, 3,3,0, pix1, lsize, h
    sub        hd, 2
    pxor       m7, m7
    pxor       m6, m6
    HF_NOISE_PART1 %1, 0, 1, 2, 3
    add     pix1q, lsizeq
    HF_NOISE_PART1 %1, 4, 1, 5, 3
    HF_NOISE_PART2     0, 2, 4, 5
    add     pix1q, lsizeq
.loop:
    HF_NOISE_PART1 %1, 0, 1, 2, 3
    HF_NOISE_PART2     4, 5, 0, 2
    add     pix1q, lsizeq
    HF_NOISE_PART1 %1, 4, 1, 5, 3
    HF_NOISE_PART2     0, 2, 4, 5
    add     pix1q, lsizeq
    sub        hd, 2
        jne .loop

    mova       m0, m6
    punpcklwd  m0, m7
    punpckhwd  m6, m7
    paddd      m6, m0
    mova       m0, m6
    psrlq      m6, 32
    paddd      m0, m6
    movd      eax, m0   ; eax = result of hf_noise8;
    REP_RET                 ; return eax;
%endmacro

INIT_MMX mmx
HF_NOISE 8
HF_NOISE 16

;---------------------------------------------------------------------------------------
;int ff_sad_<opt>(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, ptrdiff_t stride, int h);
;---------------------------------------------------------------------------------------
;%1 = 8/16
%macro SAD 1
cglobal sad%1, 5, 5, 3, v, pix1, pix2, stride, h
    movu      m2, [pix2q]
    movu      m1, [pix2q+strideq]
    psadbw    m2, [pix1q]
    psadbw    m1, [pix1q+strideq]
    paddw     m2, m1
%if %1 != mmsize
    movu      m0, [pix2q+8]
    movu      m1, [pix2q+strideq+8]
    psadbw    m0, [pix1q+8]
    psadbw    m1, [pix1q+strideq+8]
    paddw     m2, m0
    paddw     m2, m1
%endif
    sub       hd, 2

align 16
.loop:
    lea    pix1q, [pix1q+strideq*2]
    lea    pix2q, [pix2q+strideq*2]
    movu      m0, [pix2q]
    movu      m1, [pix2q+strideq]
    psadbw    m0, [pix1q]
    psadbw    m1, [pix1q+strideq]
    paddw     m2, m0
    paddw     m2, m1
%if %1 != mmsize
    movu      m0, [pix2q+8]
    movu      m1, [pix2q+strideq+8]
    psadbw    m0, [pix1q+8]
    psadbw    m1, [pix1q+strideq+8]
    paddw     m2, m0
    paddw     m2, m1
%endif
    sub       hd, 2
    jg .loop
%if mmsize == 16
    movhlps   m0, m2
    paddw     m2, m0
%endif
    movd     eax, m2
    RET
%endmacro

INIT_MMX mmxext
SAD 8
SAD 16
INIT_XMM sse2
SAD 16

;------------------------------------------------------------------------------------------
;int ff_sad_x2_<opt>(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, ptrdiff_t stride, int h);
;------------------------------------------------------------------------------------------
;%1 = 8/16
%macro SAD_X2 1
cglobal sad%1_x2, 5, 5, 5, v, pix1, pix2, stride, h
    movu      m0, [pix2q]
    movu      m2, [pix2q+strideq]
%if mmsize == 16
    movu      m3, [pix2q+1]
    movu      m4, [pix2q+strideq+1]
    pavgb     m0, m3
    pavgb     m2, m4
%else
    pavgb     m0, [pix2q+1]
    pavgb     m2, [pix2q+strideq+1]
%endif
    psadbw    m0, [pix1q]
    psadbw    m2, [pix1q+strideq]
    paddw     m0, m2
%if %1 != mmsize
    movu      m1, [pix2q+8]
    movu      m2, [pix2q+strideq+8]
    pavgb     m1, [pix2q+9]
    pavgb     m2, [pix2q+strideq+9]
    psadbw    m1, [pix1q+8]
    psadbw    m2, [pix1q+strideq+8]
    paddw     m0, m1
    paddw     m0, m2
%endif
    sub       hd, 2

align 16
.loop:
    lea    pix1q, [pix1q+2*strideq]
    lea    pix2q, [pix2q+2*strideq]
    movu      m1, [pix2q]
    movu      m2, [pix2q+strideq]
%if mmsize == 16
    movu      m3, [pix2q+1]
    movu      m4, [pix2q+strideq+1]
    pavgb     m1, m3
    pavgb     m2, m4
%else
    pavgb     m1, [pix2q+1]
    pavgb     m2, [pix2q+strideq+1]
%endif
    psadbw    m1, [pix1q]
    psadbw    m2, [pix1q+strideq]
    paddw     m0, m1
    paddw     m0, m2
%if %1 != mmsize
    movu      m1, [pix2q+8]
    movu      m2, [pix2q+strideq+8]
    pavgb     m1, [pix2q+9]
    pavgb     m2, [pix2q+strideq+9]
    psadbw    m1, [pix1q+8]
    psadbw    m2, [pix1q+strideq+8]
    paddw     m0, m1
    paddw     m0, m2
%endif
    sub       hd, 2
    jg .loop
%if mmsize == 16
    movhlps   m1, m0
    paddw     m0, m1
%endif
    movd     eax, m0
    RET
%endmacro

INIT_MMX mmxext
SAD_X2 8
SAD_X2 16
INIT_XMM sse2
SAD_X2 16

;------------------------------------------------------------------------------------------
;int ff_sad_y2_<opt>(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, ptrdiff_t stride, int h);
;------------------------------------------------------------------------------------------
;%1 = 8/16
%macro SAD_Y2 1
cglobal sad%1_y2, 5, 5, 4, v, pix1, pix2, stride, h
    movu      m1, [pix2q]
    movu      m0, [pix2q+strideq]
    movu      m3, [pix2q+2*strideq]
    pavgb     m1, m0
    pavgb     m0, m3
    psadbw    m1, [pix1q]
    psadbw    m0, [pix1q+strideq]
    paddw     m0, m1
    mova      m1, m3
%if %1 != mmsize
    movu      m4, [pix2q+8]
    movu      m5, [pix2q+strideq+8]
    movu      m6, [pix2q+2*strideq+8]
    pavgb     m4, m5
    pavgb     m5, m6
    psadbw    m4, [pix1q+8]
    psadbw    m5, [pix1q+strideq+8]
    paddw     m0, m4
    paddw     m0, m5
    mova      m4, m6
%endif
    add    pix2q, strideq
    sub       hd, 2

align 16
.loop:
    lea    pix1q, [pix1q+2*strideq]
    lea    pix2q, [pix2q+2*strideq]
    movu      m2, [pix2q]
    movu      m3, [pix2q+strideq]
    pavgb     m1, m2
    pavgb     m2, m3
    psadbw    m1, [pix1q]
    psadbw    m2, [pix1q+strideq]
    paddw     m0, m1
    paddw     m0, m2
    mova      m1, m3
%if %1 != mmsize
    movu      m5, [pix2q+8]
    movu      m6, [pix2q+strideq+8]
    pavgb     m4, m5
    pavgb     m5, m6
    psadbw    m4, [pix1q+8]
    psadbw    m5, [pix1q+strideq+8]
    paddw     m0, m4
    paddw     m0, m5
    mova      m4, m6
%endif
    sub       hd, 2
    jg .loop
%if mmsize == 16
    movhlps   m1, m0
    paddw     m0, m1
%endif
    movd     eax, m0
    RET
%endmacro

INIT_MMX mmxext
SAD_Y2 8
SAD_Y2 16
INIT_XMM sse2
SAD_Y2 16

;-------------------------------------------------------------------------------------------
;int ff_sad_approx_xy2_<opt>(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2, ptrdiff_t stride, int h);
;-------------------------------------------------------------------------------------------
;%1 = 8/16
%macro SAD_APPROX_XY2 1
cglobal sad%1_approx_xy2, 5, 5, 7, v, pix1, pix2, stride, h
    mova      m4, [pb_1]
    movu      m1, [pix2q]
    movu      m0, [pix2q+strideq]
    movu      m3, [pix2q+2*strideq]
%if mmsize == 16
    movu      m5, [pix2q+1]
    movu      m6, [pix2q+strideq+1]
    movu      m2, [pix2q+2*strideq+1]
    pavgb     m1, m5
    pavgb     m0, m6
    pavgb     m3, m2
%else
    pavgb     m1, [pix2q+1]
    pavgb     m0, [pix2q+strideq+1]
    pavgb     m3, [pix2q+2*strideq+1]
%endif
    psubusb   m0, m4
    pavgb     m1, m0
    pavgb     m0, m3
    psadbw    m1, [pix1q]
    psadbw    m0, [pix1q+strideq]
    paddw     m0, m1
    mova      m1, m3
%if %1 != mmsize
    movu      m5, [pix2q+8]
    movu      m6, [pix2q+strideq+8]
    movu      m7, [pix2q+2*strideq+8]
    pavgb     m5, [pix2q+1+8]
    pavgb     m6, [pix2q+strideq+1+8]
    pavgb     m7, [pix2q+2*strideq+1+8]
    psubusb   m6, m4
    pavgb     m5, m6
    pavgb     m6, m7
    psadbw    m5, [pix1q+8]
    psadbw    m6, [pix1q+strideq+8]
    paddw     m0, m5
    paddw     m0, m6
    mova      m5, m7
%endif
    add    pix2q, strideq
    sub       hd, 2

align 16
.loop:
    lea    pix1q, [pix1q+2*strideq]
    lea    pix2q, [pix2q+2*strideq]
    movu      m2, [pix2q]
    movu      m3, [pix2q+strideq]
%if mmsize == 16
    movu      m5, [pix2q+1]
    movu      m6, [pix2q+strideq+1]
    pavgb     m2, m5
    pavgb     m3, m6
%else
    pavgb     m2, [pix2q+1]
    pavgb     m3, [pix2q+strideq+1]
%endif
    psubusb   m2, m4
    pavgb     m1, m2
    pavgb     m2, m3
    psadbw    m1, [pix1q]
    psadbw    m2, [pix1q+strideq]
    paddw     m0, m1
    paddw     m0, m2
    mova      m1, m3
%if %1 != mmsize
    movu      m6, [pix2q+8]
    movu      m7, [pix2q+strideq+8]
    pavgb     m6, [pix2q+8+1]
    pavgb     m7, [pix2q+strideq+8+1]
    psubusb   m6, m4
    pavgb     m5, m6
    pavgb     m6, m7
    psadbw    m5, [pix1q+8]
    psadbw    m6, [pix1q+strideq+8]
    paddw     m0, m5
    paddw     m0, m6
    mova      m5, m7
%endif
    sub       hd, 2
    jg .loop
%if mmsize == 16
    movhlps   m1, m0
    paddw     m0, m1
%endif
    movd     eax, m0
    RET
%endmacro

INIT_MMX mmxext
SAD_APPROX_XY2 8
SAD_APPROX_XY2 16
INIT_XMM sse2
SAD_APPROX_XY2 16

;--------------------------------------------------------------------
;int ff_vsad_intra(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
;                  ptrdiff_t line_size, int h);
;--------------------------------------------------------------------
; %1 = 8/16
%macro VSAD_INTRA 1
cglobal vsad_intra%1, 5, 5, 3, v, pix1, pix2, lsize, h
    mova      m0, [pix1q]
%if %1 == mmsize
    mova      m2, [pix1q+lsizeq]
    psadbw    m0, m2
%else
    mova      m2, [pix1q+lsizeq]
    mova      m3, [pix1q+8]
    mova      m4, [pix1q+lsizeq+8]
    psadbw    m0, m2
    psadbw    m3, m4
    paddw     m0, m3
%endif
    sub       hd, 2

.loop:
    lea    pix1q, [pix1q + 2*lsizeq]
%if %1 == mmsize
    mova      m1, [pix1q]
    psadbw    m2, m1
    paddw     m0, m2
    mova      m2, [pix1q+lsizeq]
    psadbw    m1, m2
    paddw     m0, m1
%else
    mova      m1, [pix1q]
    mova      m3, [pix1q+8]
    psadbw    m2, m1
    psadbw    m4, m3
    paddw     m0, m2
    paddw     m0, m4
    mova      m2, [pix1q+lsizeq]
    mova      m4, [pix1q+lsizeq+8]
    psadbw    m1, m2
    psadbw    m3, m4
    paddw     m0, m1
    paddw     m0, m3
%endif
    sub       hd, 2
    jg     .loop

%if mmsize == 16
    pshufd m1, m0, 0xe
    paddd  m0, m1
%endif
    movd eax, m0
    RET
%endmacro

INIT_MMX mmxext
VSAD_INTRA 8
VSAD_INTRA 16
INIT_XMM sse2
VSAD_INTRA 16

;---------------------------------------------------------------------
;int ff_vsad_approx(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
;                   ptrdiff_t line_size, int h);
;---------------------------------------------------------------------
; %1 = 8/16
%macro VSAD_APPROX 1
cglobal vsad%1_approx, 5, 5, 5, v, pix1, pix2, lsize, h
    mova   m1, [pb_80]
    mova   m0, [pix1q]
%if %1 == mmsize ; vsad8_mmxext, vsad16_sse2
    mova   m4, [pix1q+lsizeq]
%if mmsize == 16
    movu   m3, [pix2q]
    movu   m2, [pix2q+lsizeq]
    psubb  m0, m3
    psubb  m4, m2
%else
    psubb  m0, [pix2q]
    psubb  m4, [pix2q+lsizeq]
%endif
    pxor   m0, m1
    pxor   m4, m1
    psadbw m0, m4
%else ; vsad16_mmxext
    mova   m3, [pix1q+8]
    psubb  m0, [pix2q]
    psubb  m3, [pix2q+8]
    pxor   m0, m1
    pxor   m3, m1
    mova   m4, [pix1q+lsizeq]
    mova   m5, [pix1q+lsizeq+8]
    psubb  m4, [pix2q+lsizeq]
    psubb  m5, [pix2q+lsizeq+8]
    pxor   m4, m1
    pxor   m5, m1
    psadbw m0, m4
    psadbw m3, m5
    paddw  m0, m3
%endif
    sub    hd, 2

.loop:
    lea pix1q, [pix1q + 2*lsizeq]
    lea pix2q, [pix2q + 2*lsizeq]
    mova   m2, [pix1q]
%if %1 == mmsize ; vsad8_mmxext, vsad16_sse2
%if mmsize == 16
    movu   m3, [pix2q]
    psubb  m2, m3
%else
    psubb  m2, [pix2q]
%endif
    pxor   m2, m1
    psadbw m4, m2
    paddw  m0, m4
    mova   m4, [pix1q+lsizeq]
    movu   m3, [pix2q+lsizeq]
    psubb  m4, m3
    pxor   m4, m1
    psadbw m2, m4
    paddw  m0, m2
%else ; vsad16_mmxext
    mova   m3, [pix1q+8]
    psubb  m2, [pix2q]
    psubb  m3, [pix2q+8]
    pxor   m2, m1
    pxor   m3, m1
    psadbw m4, m2
    psadbw m5, m3
    paddw  m0, m4
    paddw  m0, m5
    mova   m4, [pix1q+lsizeq]
    mova   m5, [pix1q+lsizeq+8]
    psubb  m4, [pix2q+lsizeq]
    psubb  m5, [pix2q+lsizeq+8]
    pxor   m4, m1
    pxor   m5, m1
    psadbw m2, m4
    psadbw m3, m5
    paddw  m0, m2
    paddw  m0, m3
%endif
    sub    hd, 2
    jg  .loop

%if mmsize == 16
    pshufd m1, m0, 0xe
    paddd  m0, m1
%endif
    movd  eax, m0
    RET
%endmacro

INIT_MMX mmxext
VSAD_APPROX 8
VSAD_APPROX 16
INIT_XMM sse2
VSAD_APPROX 16