graviola 0.4.0

graviola is a modern, fast cryptography library
Documentation 
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
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966

// generated source. do not edit.
#![allow(non_upper_case_globals, unused_macros, unused_imports)]
use crate::low::macros::*;

// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0 OR ISC OR MIT-0

// ----------------------------------------------------------------------------
// Extended Montgomery reduce in 8-digit blocks, results in input-output buffer
// Inputs z[2*k], m[k], w; outputs function return (extra result bit) and z[2*k]
//
//    extern uint64_t bignum_emontredc_8n(uint64_t k, uint64_t *z, const uint64_t *m,
//                                        uint64_t w);
//
// Functionally equivalent to bignum_emontredc (see that file for more detail).
// But in general assumes that the input k is a multiple of 8.
// bignum_emontredc_8n is a vectorized version of
// unopt/bignum_emontredc_8n_base.
//
// Standard ARM ABI: X0 = k, X1 = z, X2 = m, X3 = w, returns X0
// ----------------------------------------------------------------------------

/// Extended Montgomery reduce in 8-digit blocks, results in input-output buffer
///
/// Inputs z[2*k], m[k], w; outputs function return (extra result bit) and z[2*k]
///
/// Functionally equivalent to bignum_emontredc (see that file for more detail).
/// But in general assumes that the input k is a multiple of 8.
/// bignum_emontredc_8n is a vectorized version of
/// unopt/bignum_emontredc_8n_base.
pub(crate) fn bignum_emontredc_8n(z: &mut [u64], m: &[u64], w: u64) -> u64 {
    let ret: u64;
    debug_assert!(z.len() == m.len() * 2);
    debug_assert!(z.len().is_multiple_of(8));
    // SAFETY: inline assembly. see [crate::low::inline_assembly_safety] for safety info.
    unsafe {
        core::arch::asm!(
        Q!("    stp             " "x19, x20, [sp, #-16] !"),
        Q!("    stp             " "x21, x22, [sp, #-16] !"),
        Q!("    stp             " "x23, x24, [sp, #-16] !"),
        Q!("    stp             " "x25, x26, [sp, #-16] !"),
        Q!("    stp             " "x27, x28, [sp, #-16] !"),
        Q!("    sub             " "sp, sp, #0x20"),
        Q!("    lsr             " "x0, x0, #2"),
        Q!("    mov             " "x26, x0"),
        Q!("    subs            " "x12, x0, #0x1"),
        Q!("    b.cc            " Label!("Lbignum_emontredc_8n_end", 2, After)),
        Q!("    stp             " "x3, xzr, [sp]"),
        Q!("    stp             " "x26, xzr, [sp, #16]"),
        Q!("    mov             " "x28, xzr"),
        Q!("    lsl             " "x0, x12, #5"),

        Q!(Label!("Lbignum_emontredc_8n_outerloop", 3) ":"),
        Q!("    ldp             " "x3, xzr, [sp]"),
        Q!("    ldp             " "x17, x19, [x1]"),
        Q!("    ldp             " "x20, x21, [x1, #16]"),
        Q!("    ldp             " "x8, x9, [x2]"),
        Q!("    ldp             " "x10, x11, [x2, #16]"),
        Q!("    ldr             " "q21, [x2, #16]"),
        Q!("    mul             " "x4, x17, x3"),
        Q!("    dup             " "v0.2d, x4"),
        Q!("    uzp2            " "v3.4s, v21.4s, v0.4s"),
        Q!("    xtn             " "v4.2s, v0.2d"),
        Q!("    xtn             " "v5.2s, v21.2d"),
        Q!("    mul             " "x12, x4, x8"),
        Q!("    adds            " "x17, x17, x12"),
        Q!("    umulh           " "x12, x4, x8"),
        Q!("    mul             " "x13, x4, x9"),
        Q!("    rev64           " "v1.4s, v21.4s"),
        Q!("    umull           " "v6.2d, v4.2s, v5.2s"),
        Q!("    umull           " "v7.2d, v4.2s, v3.2s"),
        Q!("    uzp2            " "v16.4s, v0.4s, v0.4s"),
        Q!("    mul             " "v0.4s, v1.4s, v0.4s"),
        Q!("    movi            " "v2.2d, #0xffffffff"),
        Q!("    usra            " "v7.2d, v6.2d, #32"),
        Q!("    umull           " "v1.2d, v16.2s, v3.2s"),
        Q!("    uaddlp          " "v0.2d, v0.4s"),
        Q!("    and             " "v2.16b, v7.16b, v2.16b"),
        Q!("    umlal           " "v2.2d, v16.2s, v5.2s"),
        Q!("    shl             " "v0.2d, v0.2d, #32"),
        Q!("    usra            " "v1.2d, v7.2d, #32"),
        Q!("    umlal           " "v0.2d, v4.2s, v5.2s"),
        Q!("    mov             " "x14, v0.d[0]"),
        Q!("    mov             " "x15, v0.d[1]"),
        Q!("    adcs            " "x19, x19, x13"),
        Q!("    umulh           " "x13, x4, x9"),
        Q!("    adcs            " "x20, x20, x14"),
        Q!("    usra            " "v1.2d, v2.2d, #32"),
        Q!("    mov             " "x14, v1.d[0]"),
        Q!("    adcs            " "x21, x21, x15"),
        Q!("    mov             " "x15, v1.d[1]"),
        Q!("    adc             " "x22, xzr, xzr"),
        Q!("    adds            " "x19, x19, x12"),
        Q!("    mul             " "x5, x19, x3"),
        Q!("    adcs            " "x20, x20, x13"),
        Q!("    adcs            " "x21, x21, x14"),
        Q!("    adc             " "x22, x22, x15"),
        Q!("    dup             " "v0.2d, x5"),
        Q!("    uzp2            " "v3.4s, v21.4s, v0.4s"),
        Q!("    xtn             " "v4.2s, v0.2d"),
        Q!("    xtn             " "v5.2s, v21.2d"),
        Q!("    mul             " "x12, x5, x8"),
        Q!("    adds            " "x19, x19, x12"),
        Q!("    umulh           " "x12, x5, x8"),
        Q!("    mul             " "x13, x5, x9"),
        Q!("    rev64           " "v1.4s, v21.4s"),
        Q!("    umull           " "v6.2d, v4.2s, v5.2s"),
        Q!("    umull           " "v7.2d, v4.2s, v3.2s"),
        Q!("    uzp2            " "v16.4s, v0.4s, v0.4s"),
        Q!("    mul             " "v0.4s, v1.4s, v0.4s"),
        Q!("    movi            " "v2.2d, #0xffffffff"),
        Q!("    usra            " "v7.2d, v6.2d, #32"),
        Q!("    umull           " "v1.2d, v16.2s, v3.2s"),
        Q!("    uaddlp          " "v0.2d, v0.4s"),
        Q!("    and             " "v2.16b, v7.16b, v2.16b"),
        Q!("    umlal           " "v2.2d, v16.2s, v5.2s"),
        Q!("    shl             " "v0.2d, v0.2d, #32"),
        Q!("    usra            " "v1.2d, v7.2d, #32"),
        Q!("    umlal           " "v0.2d, v4.2s, v5.2s"),
        Q!("    mov             " "x14, v0.d[0]"),
        Q!("    mov             " "x15, v0.d[1]"),
        Q!("    adcs            " "x20, x20, x13"),
        Q!("    umulh           " "x13, x5, x9"),
        Q!("    adcs            " "x21, x21, x14"),
        Q!("    usra            " "v1.2d, v2.2d, #32"),
        Q!("    mov             " "x14, v1.d[0]"),
        Q!("    adcs            " "x22, x22, x15"),
        Q!("    mov             " "x15, v1.d[1]"),
        Q!("    adc             " "x23, xzr, xzr"),
        Q!("    adds            " "x20, x20, x12"),
        Q!("    mul             " "x6, x20, x3"),
        Q!("    dup             " "v0.2d, x6"),
        Q!("    uzp2            " "v3.4s, v0.4s, v21.4s"),
        Q!("    xtn             " "v4.2s, v21.2d"),
        Q!("    xtn             " "v5.2s, v0.2d"),
        Q!("    adcs            " "x21, x21, x13"),
        Q!("    adcs            " "x22, x22, x14"),
        Q!("    adc             " "x23, x23, x15"),
        Q!("    stp             " "x4, x5, [x1]"),
        Q!("    ldr             " "q20, [x1]"),
        Q!("    ldr             " "q22, [x2, #32]"),
        Q!("    ldr             " "q23, [x2, #48]"),
        Q!("    rev64           " "v1.4s, v0.4s"),
        Q!("    umull           " "v6.2d, v4.2s, v5.2s"),
        Q!("    umull           " "v7.2d, v4.2s, v3.2s"),
        Q!("    uzp2            " "v16.4s, v21.4s, v21.4s"),
        Q!("    mul             " "x12, x6, x8"),
        Q!("    adds            " "x20, x20, x12"),
        Q!("    mul             " "v0.4s, v1.4s, v21.4s"),
        Q!("    movi            " "v2.2d, #0xffffffff"),
        Q!("    usra            " "v7.2d, v6.2d, #32"),
        Q!("    umull           " "v1.2d, v16.2s, v3.2s"),
        Q!("    umulh           " "x12, x6, x8"),
        Q!("    mul             " "x13, x6, x9"),
        Q!("    uaddlp          " "v0.2d, v0.4s"),
        Q!("    and             " "v2.16b, v7.16b, v2.16b"),
        Q!("    umlal           " "v2.2d, v16.2s, v5.2s"),
        Q!("    shl             " "v0.2d, v0.2d, #32"),
        Q!("    adcs            " "x21, x21, x13"),
        Q!("    umulh           " "x13, x6, x9"),
        Q!("    usra            " "v1.2d, v7.2d, #32"),
        Q!("    umlal           " "v0.2d, v4.2s, v5.2s"),
        Q!("    mov             " "x14, v0.d[0]"),
        Q!("    mov             " "x15, v0.d[1]"),
        Q!("    usra            " "v1.2d, v2.2d, #32"),
        Q!("    adcs            " "x22, x22, x14"),
        Q!("    adcs            " "x23, x23, x15"),
        Q!("    mov             " "x14, v1.d[0]"),
        Q!("    mov             " "x15, v1.d[1]"),
        Q!("    adc             " "x24, xzr, xzr"),
        Q!("    adds            " "x21, x21, x12"),
        Q!("    mul             " "x7, x21, x3"),
        Q!("    adcs            " "x22, x22, x13"),
        Q!("    adcs            " "x23, x23, x14"),
        Q!("    adc             " "x24, x24, x15"),
        Q!("    stp             " "x6, x7, [x1, #16]"),
        Q!("    ldr             " "q21, [x1, #16]"),
        Q!("    uzp2            " "v3.4s, v22.4s, v20.4s"),
        Q!("    xtn             " "v4.2s, v20.2d"),
        Q!("    mul             " "x12, x7, x8"),
        Q!("    mul             " "x13, x7, x9"),
        Q!("    xtn             " "v5.2s, v22.2d"),
        Q!("    rev64           " "v1.4s, v22.4s"),
        Q!("    umull           " "v6.2d, v4.2s, v5.2s"),
        Q!("    umull           " "v7.2d, v4.2s, v3.2s"),
        Q!("    mul             " "x14, x7, x10"),
        Q!("    mul             " "x15, x7, x11"),
        Q!("    uzp2            " "v16.4s, v20.4s, v20.4s"),
        Q!("    mul             " "v0.4s, v1.4s, v20.4s"),
        Q!("    movi            " "v2.2d, #0xffffffff"),
        Q!("    usra            " "v7.2d, v6.2d, #32"),
        Q!("    umull           " "v25.2d, v16.2s, v3.2s"),
        Q!("    uaddlp          " "v0.2d, v0.4s"),
        Q!("    and             " "v2.16b, v7.16b, v2.16b"),
        Q!("    umlal           " "v2.2d, v16.2s, v5.2s"),
        Q!("    adds            " "x21, x21, x12"),
        Q!("    umulh           " "x12, x7, x8"),
        Q!("    adcs            " "x22, x22, x13"),
        Q!("    umulh           " "x13, x7, x9"),
        Q!("    shl             " "v24.2d, v0.2d, #32"),
        Q!("    usra            " "v25.2d, v7.2d, #32"),
        Q!("    umlal           " "v24.2d, v4.2s, v5.2s"),
        Q!("    usra            " "v25.2d, v2.2d, #32"),
        Q!("    adcs            " "x23, x23, x14"),
        Q!("    umulh           " "x14, x7, x10"),
        Q!("    adcs            " "x24, x24, x15"),
        Q!("    umulh           " "x15, x7, x11"),
        Q!("    uzp2            " "v3.4s, v23.4s, v21.4s"),
        Q!("    xtn             " "v4.2s, v21.2d"),
        Q!("    xtn             " "v5.2s, v23.2d"),
        Q!("    rev64           " "v1.4s, v23.4s"),
        Q!("    ldp             " "x8, x9, [x2, #32]"),
        Q!("    ldp             " "x10, x11, [x2, #48]"),
        Q!("    umull           " "v6.2d, v4.2s, v5.2s"),
        Q!("    umull           " "v7.2d, v4.2s, v3.2s"),
        Q!("    uzp2            " "v16.4s, v21.4s, v21.4s"),
        Q!("    mul             " "v0.4s, v1.4s, v21.4s"),
        Q!("    adc             " "x25, xzr, xzr"),
        Q!("    adds            " "x12, x22, x12"),
        Q!("    adcs            " "x13, x23, x13"),
        Q!("    adcs            " "x14, x24, x14"),
        Q!("    adc             " "x15, x25, x15"),
        Q!("    movi            " "v2.2d, #0xffffffff"),
        Q!("    usra            " "v7.2d, v6.2d, #32"),
        Q!("    umull           " "v27.2d, v16.2s, v3.2s"),
        Q!("    uaddlp          " "v0.2d, v0.4s"),
        Q!("    and             " "v2.16b, v7.16b, v2.16b"),
        Q!("    umlal           " "v2.2d, v16.2s, v5.2s"),
        Q!("    shl             " "v26.2d, v0.2d, #32"),
        Q!("    usra            " "v27.2d, v7.2d, #32"),
        Q!("    umlal           " "v26.2d, v4.2s, v5.2s"),
        Q!("    usra            " "v27.2d, v2.2d, #32"),
        Q!("    cbz             " "x0, " Label!("Lbignum_emontredc_8n_madddone", 4, After)),
        Q!("    mov             " "x27, x0"),
        Q!("    cmp             " "x0, #0x20"),
        Q!("    b.ne            " Label!("Lbignum_emontredc_8n_maddloop_firstitr", 5, After)),

        Q!(Label!("Lbignum_emontredc_8n_maddloop_x0one", 6) ":"),
        Q!("    add             " "x2, x2, #0x20"),
        Q!("    add             " "x1, x1, #0x20"),
        Q!("    mul             " "x17, x4, x8"),
        Q!("    mul             " "x22, x5, x9"),
        Q!("    mul             " "x23, x6, x10"),
        Q!("    mul             " "x24, x7, x11"),
        Q!("    umulh           " "x16, x4, x8"),
        Q!("    adds            " "x22, x22, x16"),
        Q!("    umulh           " "x16, x5, x9"),
        Q!("    adcs            " "x23, x23, x16"),
        Q!("    umulh           " "x16, x6, x10"),
        Q!("    adcs            " "x24, x24, x16"),
        Q!("    umulh           " "x16, x7, x11"),
        Q!("    adc             " "x25, x16, xzr"),
        Q!("    ldp             " "x20, x21, [x1]"),
        Q!("    adds            " "x12, x12, x20"),
        Q!("    adcs            " "x13, x13, x21"),
        Q!("    ldp             " "x20, x21, [x1, #16]"),
        Q!("    adcs            " "x14, x14, x20"),
        Q!("    adcs            " "x15, x15, x21"),
        Q!("    adc             " "x16, xzr, xzr"),
        Q!("    adds            " "x19, x22, x17"),
        Q!("    adcs            " "x22, x23, x22"),
        Q!("    adcs            " "x23, x24, x23"),
        Q!("    adcs            " "x24, x25, x24"),
        Q!("    adc             " "x25, xzr, x25"),
        Q!("    adds            " "x20, x22, x17"),
        Q!("    adcs            " "x21, x23, x19"),
        Q!("    adcs            " "x22, x24, x22"),
        Q!("    adcs            " "x23, x25, x23"),
        Q!("    adcs            " "x24, xzr, x24"),
        Q!("    adc             " "x25, xzr, x25"),
        Q!("    adds            " "x17, x17, x12"),
        Q!("    adcs            " "x19, x19, x13"),
        Q!("    adcs            " "x20, x20, x14"),
        Q!("    adcs            " "x21, x21, x15"),
        Q!("    adcs            " "x22, x22, x16"),
        Q!("    adcs            " "x23, x23, xzr"),
        Q!("    adcs            " "x24, x24, xzr"),
        Q!("    adc             " "x25, x25, xzr"),
        Q!("    subs            " "x15, x6, x7"),
        Q!("    cneg            " "x15, x15, cc"),
        Q!("    csetm           " "x12, cc"),
        Q!("    subs            " "x13, x11, x10"),
        Q!("    cneg            " "x13, x13, cc"),
        Q!("    mul             " "x14, x15, x13"),
        Q!("    umulh           " "x13, x15, x13"),
        Q!("    cinv            " "x12, x12, cc"),
        Q!("    cmn             " "x12, #0x1"),
        Q!("    eor             " "x14, x14, x12"),
        Q!("    adcs            " "x23, x23, x14"),
        Q!("    eor             " "x13, x13, x12"),
        Q!("    adcs            " "x24, x24, x13"),
        Q!("    adc             " "x25, x25, x12"),
        Q!("    subs            " "x15, x4, x5"),
        Q!("    cneg            " "x15, x15, cc"),
        Q!("    csetm           " "x12, cc"),
        Q!("    subs            " "x13, x9, x8"),
        Q!("    cneg            " "x13, x13, cc"),
        Q!("    mul             " "x14, x15, x13"),
        Q!("    umulh           " "x13, x15, x13"),
        Q!("    cinv            " "x12, x12, cc"),
        Q!("    cmn             " "x12, #0x1"),
        Q!("    eor             " "x14, x14, x12"),
        Q!("    adcs            " "x19, x19, x14"),
        Q!("    eor             " "x13, x13, x12"),
        Q!("    adcs            " "x20, x20, x13"),
        Q!("    adcs            " "x21, x21, x12"),
        Q!("    adcs            " "x22, x22, x12"),
        Q!("    adcs            " "x23, x23, x12"),
        Q!("    adcs            " "x24, x24, x12"),
        Q!("    adc             " "x25, x25, x12"),
        Q!("    subs            " "x15, x5, x7"),
        Q!("    cneg            " "x15, x15, cc"),
        Q!("    csetm           " "x12, cc"),
        Q!("    subs            " "x13, x11, x9"),
        Q!("    cneg            " "x13, x13, cc"),
        Q!("    mul             " "x14, x15, x13"),
        Q!("    umulh           " "x13, x15, x13"),
        Q!("    cinv            " "x12, x12, cc"),
        Q!("    cmn             " "x12, #0x1"),
        Q!("    eor             " "x14, x14, x12"),
        Q!("    adcs            " "x22, x22, x14"),
        Q!("    eor             " "x13, x13, x12"),
        Q!("    adcs            " "x23, x23, x13"),
        Q!("    adcs            " "x24, x24, x12"),
        Q!("    adc             " "x25, x25, x12"),
        Q!("    subs            " "x15, x4, x6"),
        Q!("    cneg            " "x15, x15, cc"),
        Q!("    csetm           " "x12, cc"),
        Q!("    subs            " "x13, x10, x8"),
        Q!("    cneg            " "x13, x13, cc"),
        Q!("    mul             " "x14, x15, x13"),
        Q!("    umulh           " "x13, x15, x13"),
        Q!("    cinv            " "x12, x12, cc"),
        Q!("    cmn             " "x12, #0x1"),
        Q!("    eor             " "x14, x14, x12"),
        Q!("    adcs            " "x20, x20, x14"),
        Q!("    eor             " "x13, x13, x12"),
        Q!("    adcs            " "x21, x21, x13"),
        Q!("    adcs            " "x22, x22, x12"),
        Q!("    adcs            " "x23, x23, x12"),
        Q!("    adcs            " "x24, x24, x12"),
        Q!("    adc             " "x25, x25, x12"),
        Q!("    subs            " "x15, x4, x7"),
        Q!("    cneg            " "x15, x15, cc"),
        Q!("    csetm           " "x12, cc"),
        Q!("    subs            " "x13, x11, x8"),
        Q!("    cneg            " "x13, x13, cc"),
        Q!("    mul             " "x14, x15, x13"),
        Q!("    umulh           " "x13, x15, x13"),
        Q!("    cinv            " "x12, x12, cc"),
        Q!("    cmn             " "x12, #0x1"),
        Q!("    eor             " "x14, x14, x12"),
        Q!("    adcs            " "x21, x21, x14"),
        Q!("    eor             " "x13, x13, x12"),
        Q!("    adcs            " "x22, x22, x13"),
        Q!("    adcs            " "x23, x23, x12"),
        Q!("    adcs            " "x24, x24, x12"),
        Q!("    adc             " "x25, x25, x12"),
        Q!("    subs            " "x15, x5, x6"),
        Q!("    cneg            " "x15, x15, cc"),
        Q!("    csetm           " "x12, cc"),
        Q!("    subs            " "x13, x10, x9"),
        Q!("    cneg            " "x13, x13, cc"),
        Q!("    mul             " "x14, x15, x13"),
        Q!("    umulh           " "x13, x15, x13"),
        Q!("    cinv            " "x12, x12, cc"),
        Q!("    cmn             " "x12, #0x1"),
        Q!("    eor             " "x14, x14, x12"),
        Q!("    adcs            " "x21, x21, x14"),
        Q!("    eor             " "x13, x13, x12"),
        Q!("    adcs            " "x22, x22, x13"),
        Q!("    adcs            " "x13, x23, x12"),
        Q!("    adcs            " "x14, x24, x12"),
        Q!("    adc             " "x15, x25, x12"),
        Q!("    mov             " "x12, x22"),
        Q!("    stp             " "x17, x19, [x1]"),
        Q!("    stp             " "x20, x21, [x1, #16]"),
        Q!("    sub             " "x27, x27, #0x20"),
        Q!("    b               " Label!("Lbignum_emontredc_8n_madddone", 4, After)),

        Q!(Label!("Lbignum_emontredc_8n_maddloop_firstitr", 5) ":"),
        Q!("    mov             " "x16, v25.d[0]"),
        Q!("    mov             " "x22, v24.d[1]"),
        Q!("    mov             " "x20, v25.d[1]"),
        Q!("    mov             " "x23, v26.d[0]"),
        Q!("    mov             " "x21, v27.d[0]"),
        Q!("    mov             " "x24, v26.d[1]"),
        Q!("    mov             " "x3, v27.d[1]"),
        Q!("    mov             " "x17, v24.d[0]"),
        Q!("    adds            " "x22, x22, x16"),
        Q!("    adcs            " "x23, x23, x20"),
        Q!("    adcs            " "x24, x24, x21"),
        Q!("    adc             " "x25, x3, xzr"),
        Q!("    ldr             " "q22, [x2, #64]"),
        Q!("    ldr             " "q23, [x2, #80]"),
        Q!("    add             " "x2, x2, #0x20"),
        Q!("    add             " "x1, x1, #0x20"),
        Q!("    uzp2            " "v3.4s, v22.4s, v20.4s"),
        Q!("    xtn             " "v4.2s, v20.2d"),
        Q!("    xtn             " "v5.2s, v22.2d"),
        Q!("    rev64           " "v1.4s, v22.4s"),
        Q!("    ldp             " "x20, x21, [x1]"),
        Q!("    adds            " "x12, x12, x20"),
        Q!("    adcs            " "x13, x13, x21"),
        Q!("    ldp             " "x20, x21, [x1, #16]"),
        Q!("    umull           " "v6.2d, v4.2s, v5.2s"),
        Q!("    umull           " "v7.2d, v4.2s, v3.2s"),
        Q!("    uzp2            " "v16.4s, v20.4s, v20.4s"),
        Q!("    mul             " "v0.4s, v1.4s, v20.4s"),
        Q!("    adcs            " "x14, x14, x20"),
        Q!("    adcs            " "x15, x15, x21"),
        Q!("    adc             " "x16, xzr, xzr"),
        Q!("    adds            " "x19, x22, x17"),
        Q!("    movi            " "v2.2d, #0xffffffff"),
        Q!("    usra            " "v7.2d, v6.2d, #32"),
        Q!("    umull           " "v25.2d, v16.2s, v3.2s"),
        Q!("    uaddlp          " "v0.2d, v0.4s"),
        Q!("    adcs            " "x22, x23, x22"),
        Q!("    adcs            " "x23, x24, x23"),
        Q!("    adcs            " "x24, x25, x24"),
        Q!("    adc             " "x25, xzr, x25"),
        Q!("    and             " "v2.16b, v7.16b, v2.16b"),
        Q!("    umlal           " "v2.2d, v16.2s, v5.2s"),
        Q!("    shl             " "v24.2d, v0.2d, #32"),
        Q!("    usra            " "v25.2d, v7.2d, #32"),
        Q!("    adds            " "x20, x22, x17"),
        Q!("    adcs            " "x21, x23, x19"),
        Q!("    adcs            " "x22, x24, x22"),
        Q!("    adcs            " "x23, x25, x23"),
        Q!("    umlal           " "v24.2d, v4.2s, v5.2s"),
        Q!("    usra            " "v25.2d, v2.2d, #32"),
        Q!("    adcs            " "x24, xzr, x24"),
        Q!("    adc             " "x25, xzr, x25"),
        Q!("    adds            " "x17, x17, x12"),
        Q!("    adcs            " "x19, x19, x13"),
        Q!("    uzp2            " "v3.4s, v23.4s, v21.4s"),
        Q!("    xtn             " "v4.2s, v21.2d"),
        Q!("    xtn             " "v5.2s, v23.2d"),
        Q!("    rev64           " "v1.4s, v23.4s"),
        Q!("    adcs            " "x20, x20, x14"),
        Q!("    adcs            " "x21, x21, x15"),
        Q!("    adcs            " "x22, x22, x16"),
        Q!("    adcs            " "x23, x23, xzr"),
        Q!("    umull           " "v6.2d, v4.2s, v5.2s"),
        Q!("    umull           " "v7.2d, v4.2s, v3.2s"),
        Q!("    uzp2            " "v16.4s, v21.4s, v21.4s"),
        Q!("    mul             " "v0.4s, v1.4s, v21.4s"),
        Q!("    adcs            " "x24, x24, xzr"),
        Q!("    adc             " "x25, x25, xzr"),
        Q!("    subs            " "x15, x6, x7"),
        Q!("    cneg            " "x15, x15, cc"),
        Q!("    movi            " "v2.2d, #0xffffffff"),
        Q!("    usra            " "v7.2d, v6.2d, #32"),
        Q!("    umull           " "v27.2d, v16.2s, v3.2s"),
        Q!("    uaddlp          " "v0.2d, v0.4s"),
        Q!("    csetm           " "x12, cc"),
        Q!("    subs            " "x13, x11, x10"),
        Q!("    cneg            " "x13, x13, cc"),
        Q!("    mul             " "x14, x15, x13"),
        Q!("    and             " "v2.16b, v7.16b, v2.16b"),
        Q!("    umlal           " "v2.2d, v16.2s, v5.2s"),
        Q!("    shl             " "v26.2d, v0.2d, #32"),
        Q!("    usra            " "v27.2d, v7.2d, #32"),
        Q!("    umulh           " "x13, x15, x13"),
        Q!("    cinv            " "x12, x12, cc"),
        Q!("    cmn             " "x12, #0x1"),
        Q!("    eor             " "x14, x14, x12"),
        Q!("    umlal           " "v26.2d, v4.2s, v5.2s"),
        Q!("    usra            " "v27.2d, v2.2d, #32"),
        Q!("    adcs            " "x23, x23, x14"),
        Q!("    eor             " "x13, x13, x12"),
        Q!("    adcs            " "x24, x24, x13"),
        Q!("    adc             " "x25, x25, x12"),
        Q!("    subs            " "x15, x4, x5"),
        Q!("    cneg            " "x15, x15, cc"),
        Q!("    csetm           " "x12, cc"),
        Q!("    subs            " "x13, x9, x8"),
        Q!("    cneg            " "x13, x13, cc"),
        Q!("    mul             " "x14, x15, x13"),
        Q!("    umulh           " "x13, x15, x13"),
        Q!("    cinv            " "x12, x12, cc"),
        Q!("    cmn             " "x12, #0x1"),
        Q!("    eor             " "x14, x14, x12"),
        Q!("    adcs            " "x19, x19, x14"),
        Q!("    eor             " "x13, x13, x12"),
        Q!("    adcs            " "x20, x20, x13"),
        Q!("    adcs            " "x21, x21, x12"),
        Q!("    adcs            " "x22, x22, x12"),
        Q!("    adcs            " "x23, x23, x12"),
        Q!("    adcs            " "x24, x24, x12"),
        Q!("    adc             " "x25, x25, x12"),
        Q!("    stp             " "x17, x19, [x1]"),
        Q!("    mov             " "x16, v25.d[0]"),
        Q!("    mov             " "x26, v27.d[0]"),
        Q!("    mov             " "x3, v25.d[1]"),
        Q!("    mov             " "x17, v27.d[1]"),
        Q!("    subs            " "x15, x5, x7"),
        Q!("    cneg            " "x15, x15, cc"),
        Q!("    csetm           " "x12, cc"),
        Q!("    subs            " "x13, x11, x9"),
        Q!("    cneg            " "x13, x13, cc"),
        Q!("    mul             " "x14, x15, x13"),
        Q!("    umulh           " "x13, x15, x13"),
        Q!("    cinv            " "x12, x12, cc"),
        Q!("    cmn             " "x12, #0x1"),
        Q!("    eor             " "x14, x14, x12"),
        Q!("    adcs            " "x22, x22, x14"),
        Q!("    eor             " "x13, x13, x12"),
        Q!("    adcs            " "x23, x23, x13"),
        Q!("    adcs            " "x24, x24, x12"),
        Q!("    adc             " "x25, x25, x12"),
        Q!("    subs            " "x15, x4, x6"),
        Q!("    cneg            " "x15, x15, cc"),
        Q!("    csetm           " "x12, cc"),
        Q!("    subs            " "x13, x10, x8"),
        Q!("    cneg            " "x13, x13, cc"),
        Q!("    mul             " "x14, x15, x13"),
        Q!("    umulh           " "x13, x15, x13"),
        Q!("    cinv            " "x12, x12, cc"),
        Q!("    cmn             " "x12, #0x1"),
        Q!("    eor             " "x14, x14, x12"),
        Q!("    adcs            " "x20, x20, x14"),
        Q!("    eor             " "x13, x13, x12"),
        Q!("    adcs            " "x21, x21, x13"),
        Q!("    adcs            " "x22, x22, x12"),
        Q!("    adcs            " "x23, x23, x12"),
        Q!("    adcs            " "x24, x24, x12"),
        Q!("    adc             " "x25, x25, x12"),
        Q!("    subs            " "x15, x4, x7"),
        Q!("    cneg            " "x15, x15, cc"),
        Q!("    csetm           " "x12, cc"),
        Q!("    subs            " "x13, x11, x8"),
        Q!("    cneg            " "x13, x13, cc"),
        Q!("    mul             " "x14, x15, x13"),
        Q!("    umulh           " "x13, x15, x13"),
        Q!("    cinv            " "x12, x12, cc"),
        Q!("    cmn             " "x12, #0x1"),
        Q!("    eor             " "x14, x14, x12"),
        Q!("    adcs            " "x21, x21, x14"),
        Q!("    eor             " "x13, x13, x12"),
        Q!("    adcs            " "x22, x22, x13"),
        Q!("    adcs            " "x23, x23, x12"),
        Q!("    adcs            " "x24, x24, x12"),
        Q!("    adc             " "x25, x25, x12"),
        Q!("    subs            " "x15, x5, x6"),
        Q!("    cneg            " "x15, x15, cc"),
        Q!("    csetm           " "x12, cc"),
        Q!("    subs            " "x13, x10, x9"),
        Q!("    cneg            " "x13, x13, cc"),
        Q!("    mul             " "x14, x15, x13"),
        Q!("    umulh           " "x13, x15, x13"),
        Q!("    cinv            " "x12, x12, cc"),
        Q!("    cmn             " "x12, #0x1"),
        Q!("    eor             " "x14, x14, x12"),
        Q!("    adcs            " "x21, x21, x14"),
        Q!("    stp             " "x20, x21, [x1, #16]"),
        Q!("    mov             " "x20, v24.d[1]"),
        Q!("    mov             " "x21, v26.d[0]"),
        Q!("    eor             " "x13, x13, x12"),
        Q!("    adcs            " "x22, x22, x13"),
        Q!("    adcs            " "x13, x23, x12"),
        Q!("    adcs            " "x14, x24, x12"),
        Q!("    adc             " "x15, x25, x12"),
        Q!("    mov             " "x12, x22"),
        Q!("    mov             " "x24, v26.d[1]"),
        Q!("    sub             " "x27, x27, #0x20"),
        Q!("    cmp             " "x27, #0x20"),
        Q!("    b.eq            " Label!("Lbignum_emontredc_8n_maddloop_last", 7, After)),

        Q!(Label!("Lbignum_emontredc_8n_maddloop", 8) ":"),
        Q!("    ldp             " "x8, x9, [x2, #32]"),
        Q!("    ldp             " "x10, x11, [x2, #48]"),
        Q!("    ldr             " "q22, [x2, #64]"),
        Q!("    ldr             " "q23, [x2, #80]"),
        Q!("    add             " "x2, x2, #0x20"),
        Q!("    add             " "x1, x1, #0x20"),
        Q!("    adds            " "x22, x20, x16"),
        Q!("    adcs            " "x23, x21, x3"),
        Q!("    adcs            " "x24, x24, x26"),
        Q!("    adc             " "x25, x17, xzr"),
        Q!("    mov             " "x17, v24.d[0]"),
        Q!("    uzp2            " "v3.4s, v22.4s, v20.4s"),
        Q!("    xtn             " "v4.2s, v20.2d"),
        Q!("    xtn             " "v5.2s, v22.2d"),
        Q!("    rev64           " "v1.4s, v22.4s"),
        Q!("    ldp             " "x20, x21, [x1]"),
        Q!("    adds            " "x12, x12, x20"),
        Q!("    adcs            " "x13, x13, x21"),
        Q!("    ldp             " "x20, x21, [x1, #16]"),
        Q!("    umull           " "v6.2d, v4.2s, v5.2s"),
        Q!("    umull           " "v7.2d, v4.2s, v3.2s"),
        Q!("    uzp2            " "v16.4s, v20.4s, v20.4s"),
        Q!("    mul             " "v0.4s, v1.4s, v20.4s"),
        Q!("    adcs            " "x14, x14, x20"),
        Q!("    adcs            " "x15, x15, x21"),
        Q!("    adc             " "x16, xzr, xzr"),
        Q!("    adds            " "x19, x22, x17"),
        Q!("    movi            " "v2.2d, #0xffffffff"),
        Q!("    usra            " "v7.2d, v6.2d, #32"),
        Q!("    umull           " "v25.2d, v16.2s, v3.2s"),
        Q!("    uaddlp          " "v0.2d, v0.4s"),
        Q!("    adcs            " "x22, x23, x22"),
        Q!("    adcs            " "x23, x24, x23"),
        Q!("    adcs            " "x24, x25, x24"),
        Q!("    adc             " "x25, xzr, x25"),
        Q!("    and             " "v2.16b, v7.16b, v2.16b"),
        Q!("    umlal           " "v2.2d, v16.2s, v5.2s"),
        Q!("    shl             " "v24.2d, v0.2d, #32"),
        Q!("    usra            " "v25.2d, v7.2d, #32"),
        Q!("    adds            " "x20, x22, x17"),
        Q!("    adcs            " "x21, x23, x19"),
        Q!("    adcs            " "x22, x24, x22"),
        Q!("    adcs            " "x23, x25, x23"),
        Q!("    umlal           " "v24.2d, v4.2s, v5.2s"),
        Q!("    usra            " "v25.2d, v2.2d, #32"),
        Q!("    adcs            " "x24, xzr, x24"),
        Q!("    adc             " "x25, xzr, x25"),
        Q!("    adds            " "x17, x17, x12"),
        Q!("    adcs            " "x19, x19, x13"),
        Q!("    uzp2            " "v3.4s, v23.4s, v21.4s"),
        Q!("    xtn             " "v4.2s, v21.2d"),
        Q!("    xtn             " "v5.2s, v23.2d"),
        Q!("    rev64           " "v1.4s, v23.4s"),
        Q!("    adcs            " "x20, x20, x14"),
        Q!("    adcs            " "x21, x21, x15"),
        Q!("    adcs            " "x22, x22, x16"),
        Q!("    adcs            " "x23, x23, xzr"),
        Q!("    umull           " "v6.2d, v4.2s, v5.2s"),
        Q!("    umull           " "v7.2d, v4.2s, v3.2s"),
        Q!("    uzp2            " "v16.4s, v21.4s, v21.4s"),
        Q!("    mul             " "v0.4s, v1.4s, v21.4s"),
        Q!("    adcs            " "x24, x24, xzr"),
        Q!("    adc             " "x25, x25, xzr"),
        Q!("    subs            " "x15, x6, x7"),
        Q!("    cneg            " "x15, x15, cc"),
        Q!("    movi            " "v2.2d, #0xffffffff"),
        Q!("    usra            " "v7.2d, v6.2d, #32"),
        Q!("    umull           " "v27.2d, v16.2s, v3.2s"),
        Q!("    uaddlp          " "v0.2d, v0.4s"),
        Q!("    csetm           " "x12, cc"),
        Q!("    subs            " "x13, x11, x10"),
        Q!("    cneg            " "x13, x13, cc"),
        Q!("    mul             " "x14, x15, x13"),
        Q!("    and             " "v2.16b, v7.16b, v2.16b"),
        Q!("    umlal           " "v2.2d, v16.2s, v5.2s"),
        Q!("    shl             " "v26.2d, v0.2d, #32"),
        Q!("    usra            " "v27.2d, v7.2d, #32"),
        Q!("    umulh           " "x13, x15, x13"),
        Q!("    cinv            " "x12, x12, cc"),
        Q!("    cmn             " "x12, #0x1"),
        Q!("    eor             " "x14, x14, x12"),
        Q!("    umlal           " "v26.2d, v4.2s, v5.2s"),
        Q!("    usra            " "v27.2d, v2.2d, #32"),
        Q!("    adcs            " "x23, x23, x14"),
        Q!("    eor             " "x13, x13, x12"),
        Q!("    adcs            " "x24, x24, x13"),
        Q!("    adc             " "x25, x25, x12"),
        Q!("    subs            " "x15, x4, x5"),
        Q!("    cneg            " "x15, x15, cc"),
        Q!("    csetm           " "x12, cc"),
        Q!("    subs            " "x13, x9, x8"),
        Q!("    cneg            " "x13, x13, cc"),
        Q!("    mul             " "x14, x15, x13"),
        Q!("    umulh           " "x13, x15, x13"),
        Q!("    cinv            " "x12, x12, cc"),
        Q!("    cmn             " "x12, #0x1"),
        Q!("    eor             " "x14, x14, x12"),
        Q!("    adcs            " "x19, x19, x14"),
        Q!("    eor             " "x13, x13, x12"),
        Q!("    adcs            " "x20, x20, x13"),
        Q!("    adcs            " "x21, x21, x12"),
        Q!("    adcs            " "x22, x22, x12"),
        Q!("    adcs            " "x23, x23, x12"),
        Q!("    adcs            " "x24, x24, x12"),
        Q!("    adc             " "x25, x25, x12"),
        Q!("    stp             " "x17, x19, [x1]"),
        Q!("    mov             " "x16, v25.d[0]"),
        Q!("    mov             " "x26, v27.d[0]"),
        Q!("    mov             " "x3, v25.d[1]"),
        Q!("    mov             " "x17, v27.d[1]"),
        Q!("    subs            " "x15, x5, x7"),
        Q!("    cneg            " "x15, x15, cc"),
        Q!("    csetm           " "x12, cc"),
        Q!("    subs            " "x13, x11, x9"),
        Q!("    cneg            " "x13, x13, cc"),
        Q!("    mul             " "x14, x15, x13"),
        Q!("    umulh           " "x13, x15, x13"),
        Q!("    cinv            " "x12, x12, cc"),
        Q!("    cmn             " "x12, #0x1"),
        Q!("    eor             " "x14, x14, x12"),
        Q!("    adcs            " "x22, x22, x14"),
        Q!("    eor             " "x13, x13, x12"),
        Q!("    adcs            " "x23, x23, x13"),
        Q!("    adcs            " "x24, x24, x12"),
        Q!("    adc             " "x25, x25, x12"),
        Q!("    subs            " "x15, x4, x6"),
        Q!("    cneg            " "x15, x15, cc"),
        Q!("    csetm           " "x12, cc"),
        Q!("    subs            " "x13, x10, x8"),
        Q!("    cneg            " "x13, x13, cc"),
        Q!("    mul             " "x14, x15, x13"),
        Q!("    umulh           " "x13, x15, x13"),
        Q!("    cinv            " "x12, x12, cc"),
        Q!("    cmn             " "x12, #0x1"),
        Q!("    eor             " "x14, x14, x12"),
        Q!("    adcs            " "x20, x20, x14"),
        Q!("    eor             " "x13, x13, x12"),
        Q!("    adcs            " "x21, x21, x13"),
        Q!("    adcs            " "x22, x22, x12"),
        Q!("    adcs            " "x23, x23, x12"),
        Q!("    adcs            " "x24, x24, x12"),
        Q!("    adc             " "x25, x25, x12"),
        Q!("    subs            " "x15, x4, x7"),
        Q!("    cneg            " "x15, x15, cc"),
        Q!("    csetm           " "x12, cc"),
        Q!("    subs            " "x13, x11, x8"),
        Q!("    cneg            " "x13, x13, cc"),
        Q!("    mul             " "x14, x15, x13"),
        Q!("    umulh           " "x13, x15, x13"),
        Q!("    cinv            " "x12, x12, cc"),
        Q!("    cmn             " "x12, #0x1"),
        Q!("    eor             " "x14, x14, x12"),
        Q!("    adcs            " "x21, x21, x14"),
        Q!("    eor             " "x13, x13, x12"),
        Q!("    adcs            " "x22, x22, x13"),
        Q!("    adcs            " "x23, x23, x12"),
        Q!("    adcs            " "x24, x24, x12"),
        Q!("    adc             " "x25, x25, x12"),
        Q!("    subs            " "x15, x5, x6"),
        Q!("    cneg            " "x15, x15, cc"),
        Q!("    csetm           " "x12, cc"),
        Q!("    subs            " "x13, x10, x9"),
        Q!("    cneg            " "x13, x13, cc"),
        Q!("    mul             " "x14, x15, x13"),
        Q!("    umulh           " "x13, x15, x13"),
        Q!("    cinv            " "x12, x12, cc"),
        Q!("    cmn             " "x12, #0x1"),
        Q!("    eor             " "x14, x14, x12"),
        Q!("    adcs            " "x21, x21, x14"),
        Q!("    stp             " "x20, x21, [x1, #16]"),
        Q!("    mov             " "x20, v24.d[1]"),
        Q!("    mov             " "x21, v26.d[0]"),
        Q!("    eor             " "x13, x13, x12"),
        Q!("    adcs            " "x22, x22, x13"),
        Q!("    adcs            " "x13, x23, x12"),
        Q!("    adcs            " "x14, x24, x12"),
        Q!("    adc             " "x15, x25, x12"),
        Q!("    mov             " "x12, x22"),
        Q!("    mov             " "x24, v26.d[1]"),
        Q!("    sub             " "x27, x27, #0x20"),
        Q!("    cmp             " "x27, #0x20"),
        Q!("    b.ne            " Label!("Lbignum_emontredc_8n_maddloop", 8, Before)),

        Q!(Label!("Lbignum_emontredc_8n_maddloop_last", 7) ":"),
        Q!("    ldp             " "x8, x9, [x2, #32]"),
        Q!("    ldp             " "x10, x11, [x2, #48]"),
        Q!("    add             " "x2, x2, #0x20"),
        Q!("    add             " "x1, x1, #0x20"),
        Q!("    adds            " "x22, x20, x16"),
        Q!("    adcs            " "x23, x21, x3"),
        Q!("    adcs            " "x24, x24, x26"),
        Q!("    adc             " "x25, x17, xzr"),
        Q!("    mov             " "x17, v24.d[0]"),
        Q!("    ldp             " "x20, x21, [x1]"),
        Q!("    adds            " "x12, x12, x20"),
        Q!("    adcs            " "x13, x13, x21"),
        Q!("    ldp             " "x20, x21, [x1, #16]"),
        Q!("    adcs            " "x14, x14, x20"),
        Q!("    adcs            " "x15, x15, x21"),
        Q!("    adc             " "x16, xzr, xzr"),
        Q!("    adds            " "x19, x22, x17"),
        Q!("    adcs            " "x22, x23, x22"),
        Q!("    adcs            " "x23, x24, x23"),
        Q!("    adcs            " "x24, x25, x24"),
        Q!("    adc             " "x25, xzr, x25"),
        Q!("    adds            " "x20, x22, x17"),
        Q!("    adcs            " "x21, x23, x19"),
        Q!("    adcs            " "x22, x24, x22"),
        Q!("    adcs            " "x23, x25, x23"),
        Q!("    adcs            " "x24, xzr, x24"),
        Q!("    adc             " "x25, xzr, x25"),
        Q!("    adds            " "x17, x17, x12"),
        Q!("    adcs            " "x19, x19, x13"),
        Q!("    adcs            " "x20, x20, x14"),
        Q!("    adcs            " "x21, x21, x15"),
        Q!("    adcs            " "x22, x22, x16"),
        Q!("    adcs            " "x23, x23, xzr"),
        Q!("    adcs            " "x24, x24, xzr"),
        Q!("    adc             " "x25, x25, xzr"),
        Q!("    subs            " "x15, x6, x7"),
        Q!("    cneg            " "x15, x15, cc"),
        Q!("    csetm           " "x12, cc"),
        Q!("    subs            " "x13, x11, x10"),
        Q!("    cneg            " "x13, x13, cc"),
        Q!("    mul             " "x14, x15, x13"),
        Q!("    umulh           " "x13, x15, x13"),
        Q!("    cinv            " "x12, x12, cc"),
        Q!("    cmn             " "x12, #0x1"),
        Q!("    eor             " "x14, x14, x12"),
        Q!("    adcs            " "x23, x23, x14"),
        Q!("    eor             " "x13, x13, x12"),
        Q!("    adcs            " "x24, x24, x13"),
        Q!("    adc             " "x25, x25, x12"),
        Q!("    subs            " "x15, x4, x5"),
        Q!("    cneg            " "x15, x15, cc"),
        Q!("    csetm           " "x12, cc"),
        Q!("    subs            " "x13, x9, x8"),
        Q!("    cneg            " "x13, x13, cc"),
        Q!("    mul             " "x14, x15, x13"),
        Q!("    umulh           " "x13, x15, x13"),
        Q!("    cinv            " "x12, x12, cc"),
        Q!("    cmn             " "x12, #0x1"),
        Q!("    eor             " "x14, x14, x12"),
        Q!("    adcs            " "x19, x19, x14"),
        Q!("    eor             " "x13, x13, x12"),
        Q!("    adcs            " "x20, x20, x13"),
        Q!("    adcs            " "x21, x21, x12"),
        Q!("    adcs            " "x22, x22, x12"),
        Q!("    adcs            " "x23, x23, x12"),
        Q!("    adcs            " "x24, x24, x12"),
        Q!("    adc             " "x25, x25, x12"),
        Q!("    subs            " "x15, x5, x7"),
        Q!("    cneg            " "x15, x15, cc"),
        Q!("    csetm           " "x12, cc"),
        Q!("    subs            " "x13, x11, x9"),
        Q!("    cneg            " "x13, x13, cc"),
        Q!("    mul             " "x14, x15, x13"),
        Q!("    umulh           " "x13, x15, x13"),
        Q!("    cinv            " "x12, x12, cc"),
        Q!("    cmn             " "x12, #0x1"),
        Q!("    eor             " "x14, x14, x12"),
        Q!("    adcs            " "x22, x22, x14"),
        Q!("    eor             " "x13, x13, x12"),
        Q!("    adcs            " "x23, x23, x13"),
        Q!("    adcs            " "x24, x24, x12"),
        Q!("    adc             " "x25, x25, x12"),
        Q!("    subs            " "x15, x4, x6"),
        Q!("    cneg            " "x15, x15, cc"),
        Q!("    csetm           " "x12, cc"),
        Q!("    subs            " "x13, x10, x8"),
        Q!("    cneg            " "x13, x13, cc"),
        Q!("    mul             " "x14, x15, x13"),
        Q!("    umulh           " "x13, x15, x13"),
        Q!("    cinv            " "x12, x12, cc"),
        Q!("    cmn             " "x12, #0x1"),
        Q!("    eor             " "x14, x14, x12"),
        Q!("    adcs            " "x20, x20, x14"),
        Q!("    eor             " "x13, x13, x12"),
        Q!("    adcs            " "x21, x21, x13"),
        Q!("    adcs            " "x22, x22, x12"),
        Q!("    adcs            " "x23, x23, x12"),
        Q!("    adcs            " "x24, x24, x12"),
        Q!("    adc             " "x25, x25, x12"),
        Q!("    subs            " "x15, x4, x7"),
        Q!("    cneg            " "x15, x15, cc"),
        Q!("    csetm           " "x12, cc"),
        Q!("    subs            " "x13, x11, x8"),
        Q!("    cneg            " "x13, x13, cc"),
        Q!("    mul             " "x14, x15, x13"),
        Q!("    umulh           " "x13, x15, x13"),
        Q!("    cinv            " "x12, x12, cc"),
        Q!("    cmn             " "x12, #0x1"),
        Q!("    eor             " "x14, x14, x12"),
        Q!("    adcs            " "x21, x21, x14"),
        Q!("    eor             " "x13, x13, x12"),
        Q!("    adcs            " "x22, x22, x13"),
        Q!("    adcs            " "x23, x23, x12"),
        Q!("    adcs            " "x24, x24, x12"),
        Q!("    adc             " "x25, x25, x12"),
        Q!("    subs            " "x15, x5, x6"),
        Q!("    cneg            " "x15, x15, cc"),
        Q!("    csetm           " "x12, cc"),
        Q!("    subs            " "x13, x10, x9"),
        Q!("    cneg            " "x13, x13, cc"),
        Q!("    mul             " "x14, x15, x13"),
        Q!("    umulh           " "x13, x15, x13"),
        Q!("    cinv            " "x12, x12, cc"),
        Q!("    cmn             " "x12, #0x1"),
        Q!("    eor             " "x14, x14, x12"),
        Q!("    adcs            " "x21, x21, x14"),
        Q!("    eor             " "x13, x13, x12"),
        Q!("    adcs            " "x22, x22, x13"),
        Q!("    adcs            " "x13, x23, x12"),
        Q!("    adcs            " "x14, x24, x12"),
        Q!("    adc             " "x15, x25, x12"),
        Q!("    mov             " "x12, x22"),
        Q!("    stp             " "x17, x19, [x1]"),
        Q!("    stp             " "x20, x21, [x1, #16]"),
        Q!("    subs            " "x27, x27, #0x40"),

        Q!(Label!("Lbignum_emontredc_8n_madddone", 4) ":"),
        Q!("    ldp             " "x17, x19, [x1, #32]"),
        Q!("    ldp             " "x20, x21, [x1, #48]"),
        Q!("    ldp             " "x26, xzr, [sp, #16]"),
        Q!("    cmn             " "x28, x28"),
        Q!("    adcs            " "x17, x17, x12"),
        Q!("    adcs            " "x19, x19, x13"),
        Q!("    adcs            " "x20, x20, x14"),
        Q!("    adcs            " "x21, x21, x15"),
        Q!("    csetm           " "x28, cs"),
        Q!("    stp             " "x17, x19, [x1, #32]"),
        Q!("    stp             " "x20, x21, [x1, #48]"),
        Q!("    sub             " "x1, x1, x0"),
        Q!("    sub             " "x2, x2, x0"),
        Q!("    add             " "x1, x1, #0x20"),
        Q!("    subs            " "x26, x26, #0x1"),
        Q!("    stp             " "x26, xzr, [sp, #16]"),
        Q!("    b.ne            " Label!("Lbignum_emontredc_8n_outerloop", 3, Before)),
        Q!("    neg             " "x0, x28"),

        Q!(Label!("Lbignum_emontredc_8n_end", 2) ":"),
        Q!("    add             " "sp, sp, #0x20"),
        Q!("    ldp             " "x27, x28, [sp], #16"),
        Q!("    ldp             " "x25, x26, [sp], #16"),
        Q!("    ldp             " "x23, x24, [sp], #16"),
        Q!("    ldp             " "x21, x22, [sp], #16"),
        Q!("    ldp             " "x19, x20, [sp], #16"),
        inout("x0") m.len() => ret,
        inout("x1") z.as_mut_ptr() => _,
        inout("x2") m.as_ptr() => _,
        inout("x3") w => _,
        // clobbers
        out("v0") _,
        out("v1") _,
        out("v16") _,
        out("v2") _,
        out("v20") _,
        out("v21") _,
        out("v22") _,
        out("v23") _,
        out("v24") _,
        out("v25") _,
        out("v26") _,
        out("v27") _,
        out("v3") _,
        out("v4") _,
        out("v5") _,
        out("v6") _,
        out("v7") _,
        out("x10") _,
        out("x11") _,
        out("x12") _,
        out("x13") _,
        out("x14") _,
        out("x15") _,
        out("x16") _,
        out("x17") _,
        out("x20") _,
        out("x21") _,
        out("x22") _,
        out("x23") _,
        out("x24") _,
        out("x25") _,
        out("x26") _,
        out("x27") _,
        out("x28") _,
        out("x4") _,
        out("x5") _,
        out("x6") _,
        out("x7") _,
        out("x8") _,
        out("x9") _,
            )
    };
    ret
}