-
Notifications
You must be signed in to change notification settings - Fork 171
/
interp.c
5958 lines (5917 loc) · 258 KB
/
interp.c
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
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#include "moar.h"
#include <math.h>
#include "platform/time.h"
#include "platform/sys.h"
#include "strings/unicode_ops.h"
/* Macros for getting things from the bytecode stream. */
#if MVM_GC_DEBUG == 2
MVM_STATIC_INLINE MVMuint16 check_reg(MVMThreadContext *tc, MVMRegister *reg_base, MVMuint16 idx) {
MVMFrame *f = tc->cur_frame;
MVMuint16 kind = f->spesh_cand && f->spesh_cand->local_types
? f->spesh_cand->local_types[idx]
: f->static_info->body.local_types[idx];
if (kind == MVM_reg_obj || kind == MVM_reg_str)
MVM_ASSERT_NOT_FROMSPACE(tc, reg_base[idx].o);
return idx;
}
/* The bytecode stream is OPs (16 bit numbers) followed by the (16 bit numbers) of the registers
* the OP needs (return register + argument registers. The pc will point to the first place after
* the current op, i.e. the first 16 bit register number. We add the requested number to that and
* use the result as index into the reg_base array which stores the frame's locals. */
#define GET_REG(pc, idx) reg_base[check_reg(tc, reg_base, *((MVMuint16 *)(pc + idx)))]
#else
#define GET_REG(pc, idx) reg_base[*((MVMuint16 *)(pc + idx))]
#endif
#if MVM_GC_DEBUG == 2
MVM_STATIC_INLINE MVMuint16 check_lex(MVMThreadContext *tc, MVMFrame *f, MVMuint16 idx) {
MVMuint16 kind = f->spesh_cand && f->spesh_cand->lexical_types
? f->spesh_cand->lexical_types[idx]
: f->static_info->body.lexical_types[idx];
if (kind == MVM_reg_obj || kind == MVM_reg_str)
MVM_ASSERT_NOT_FROMSPACE(tc, f->env[idx].o);
return idx;
}
#define GET_LEX(pc, idx, f) f->env[check_lex(tc, f, *((MVMuint16 *)(pc + idx)))]
#else
#define GET_LEX(pc, idx, f) f->env[*((MVMuint16 *)(pc + idx))]
#endif
#define GET_I16(pc, idx) *((MVMint16 *)(pc + idx))
#define GET_UI16(pc, idx) *((MVMuint16 *)(pc + idx))
#define GET_I32(pc, idx) *((MVMint32 *)(pc + idx))
#define GET_UI32(pc, idx) *((MVMuint32 *)(pc + idx))
#define GET_N32(pc, idx) *((MVMnum32 *)(pc + idx))
#define NEXT_OP (op = *(MVMuint16 *)(cur_op), cur_op += 2, op)
#if MVM_CGOTO
#define DISPATCH(op)
#define OP(name) OP_ ## name
#define NEXT *LABELS[NEXT_OP]
#else
#define DISPATCH(op) switch (op)
#define OP(name) case MVM_OP_ ## name
#define NEXT runloop
#endif
static int tracing_enabled = 0;
/* This is the interpreter run loop. We have one of these per thread. */
void MVM_interp_run(MVMThreadContext *tc, void (*initial_invoke)(MVMThreadContext *, void *), void *invoke_data) {
#if MVM_CGOTO
#include "oplabels.h"
#endif
/* Points to the place in the bytecode right after the current opcode. */
/* See the NEXT_OP macro for making sense of this */
MVMuint8 *cur_op = NULL;
/* The current frame's bytecode start. */
MVMuint8 *bytecode_start = NULL;
/* Points to the base of the current register set for the frame we
* are presently in. */
MVMRegister *reg_base = NULL;
/* Points to the current compilation unit. */
MVMCompUnit *cu = NULL;
/* The current call site we're constructing. */
MVMCallsite *cur_callsite = NULL;
/* Stash addresses of current op, register base and SC deref base
* in the TC; this will be used by anything that needs to switch
* the current place we're interpreting. */
tc->interp_cur_op = &cur_op;
tc->interp_bytecode_start = &bytecode_start;
tc->interp_reg_base = ®_base;
tc->interp_cu = &cu;
/* With everything set up, do the initial invocation (exactly what this does
* varies depending on if this is starting a new thread or is the top-level
* program entry point). */
initial_invoke(tc, invoke_data);
/* Set jump point, for if we arrive back in the interpreter from an
* exception thrown from C code. */
setjmp(tc->interp_jump);
/* Enter runloop. */
runloop: {
MVMuint16 op;
#if MVM_TRACING
if (tracing_enabled) {
char *trace_line;
trace_line = MVM_exception_backtrace_line(tc, tc->cur_frame, 0, cur_op);
fprintf(stderr, "Op %d%s\n", (int)*((MVMuint16 *)cur_op), trace_line);
/* slow tracing is slow. Feel free to speed it. */
MVM_free(trace_line);
}
#endif
/* The ops should be in the same order here as in the oplist file, so
* the compiler can can optimise the switch properly */
DISPATCH(NEXT_OP) {
OP(no_op):
goto NEXT;
OP(const_i8):
OP(const_i16):
OP(const_i32):
MVM_exception_throw_adhoc(tc, "const_iX NYI");
OP(const_i64):
GET_REG(cur_op, 0).i64 = MVM_BC_get_I64(cur_op, 2);
cur_op += 10;
goto NEXT;
OP(const_n32):
MVM_exception_throw_adhoc(tc, "const_n32 NYI");
OP(const_n64):
GET_REG(cur_op, 0).n64 = MVM_BC_get_N64(cur_op, 2);
cur_op += 10;
goto NEXT;
OP(const_s):
GET_REG(cur_op, 0).s = MVM_cu_string(tc, cu, GET_UI32(cur_op, 2));
cur_op += 6;
goto NEXT;
OP(set):
GET_REG(cur_op, 0) = GET_REG(cur_op, 2);
cur_op += 4;
goto NEXT;
OP(extend_u8):
GET_REG(cur_op, 0).u64 = (MVMuint64)GET_REG(cur_op, 2).u8;
cur_op += 4;
goto NEXT;
OP(extend_u16):
GET_REG(cur_op, 0).u64 = (MVMuint64)GET_REG(cur_op, 2).u16;
cur_op += 4;
goto NEXT;
OP(extend_u32):
GET_REG(cur_op, 0).u64 = (MVMuint64)GET_REG(cur_op, 2).u32;
cur_op += 4;
goto NEXT;
OP(extend_i8):
GET_REG(cur_op, 0).i64 = (MVMint64)GET_REG(cur_op, 2).i8;
cur_op += 4;
goto NEXT;
OP(extend_i16):
GET_REG(cur_op, 0).i64 = (MVMint64)GET_REG(cur_op, 2).i16;
cur_op += 4;
goto NEXT;
OP(extend_i32):
GET_REG(cur_op, 0).i64 = (MVMint64)GET_REG(cur_op, 2).i32;
cur_op += 4;
goto NEXT;
OP(trunc_u8):
GET_REG(cur_op, 0).u8 = (MVMuint8)GET_REG(cur_op, 2).u64;
cur_op += 4;
goto NEXT;
OP(trunc_u16):
GET_REG(cur_op, 0).u16 = (MVMuint16)GET_REG(cur_op, 2).u64;
cur_op += 4;
goto NEXT;
OP(trunc_u32):
GET_REG(cur_op, 0).u32 = (MVMuint32)GET_REG(cur_op, 2).u64;
cur_op += 4;
goto NEXT;
OP(trunc_i8):
GET_REG(cur_op, 0).i8 = (MVMint8)GET_REG(cur_op, 2).i64;
cur_op += 4;
goto NEXT;
OP(trunc_i16):
GET_REG(cur_op, 0).i16 = (MVMint16)GET_REG(cur_op, 2).i64;
cur_op += 4;
goto NEXT;
OP(trunc_i32):
GET_REG(cur_op, 0).i32 = (MVMint32)GET_REG(cur_op, 2).i64;
cur_op += 4;
goto NEXT;
OP(extend_n32):
GET_REG(cur_op, 0).n64 = (MVMnum64)GET_REG(cur_op, 2).n32;
cur_op += 4;
goto NEXT;
OP(trunc_n32):
GET_REG(cur_op, 0).n32 = (MVMnum32)GET_REG(cur_op, 2).n64;
cur_op += 4;
goto NEXT;
OP(goto):
cur_op = bytecode_start + GET_UI32(cur_op, 0);
GC_SYNC_POINT(tc);
goto NEXT;
OP(if_i):
if (GET_REG(cur_op, 0).i64)
cur_op = bytecode_start + GET_UI32(cur_op, 2);
else
cur_op += 6;
GC_SYNC_POINT(tc);
goto NEXT;
OP(unless_i):
if (GET_REG(cur_op, 0).i64)
cur_op += 6;
else
cur_op = bytecode_start + GET_UI32(cur_op, 2);
GC_SYNC_POINT(tc);
goto NEXT;
OP(if_n):
if (GET_REG(cur_op, 0).n64 != 0.0)
cur_op = bytecode_start + GET_UI32(cur_op, 2);
else
cur_op += 6;
GC_SYNC_POINT(tc);
goto NEXT;
OP(unless_n):
if (GET_REG(cur_op, 0).n64 != 0.0)
cur_op += 6;
else
cur_op = bytecode_start + GET_UI32(cur_op, 2);
GC_SYNC_POINT(tc);
goto NEXT;
OP(if_s): {
MVMString *str = GET_REG(cur_op, 0).s;
if (!str || MVM_string_graphs(tc, str) == 0)
cur_op += 6;
else
cur_op = bytecode_start + GET_UI32(cur_op, 2);
GC_SYNC_POINT(tc);
goto NEXT;
}
OP(unless_s): {
MVMString *str = GET_REG(cur_op, 0).s;
if (!str || MVM_string_graphs(tc, str) == 0)
cur_op = bytecode_start + GET_UI32(cur_op, 2);
else
cur_op += 6;
GC_SYNC_POINT(tc);
goto NEXT;
}
OP(if_s0): {
MVMString *str = GET_REG(cur_op, 0).s;
if (!MVM_coerce_istrue_s(tc, str))
cur_op += 6;
else
cur_op = bytecode_start + GET_UI32(cur_op, 2);
GC_SYNC_POINT(tc);
goto NEXT;
}
OP(unless_s0): {
MVMString *str = GET_REG(cur_op, 0).s;
if (!MVM_coerce_istrue_s(tc, str))
cur_op = bytecode_start + GET_UI32(cur_op, 2);
else
cur_op += 6;
GC_SYNC_POINT(tc);
goto NEXT;
}
OP(if_o):
GC_SYNC_POINT(tc);
MVM_coerce_istrue(tc, GET_REG(cur_op, 0).o, NULL,
bytecode_start + GET_UI32(cur_op, 2),
cur_op + 6,
0);
goto NEXT;
OP(unless_o):
GC_SYNC_POINT(tc);
MVM_coerce_istrue(tc, GET_REG(cur_op, 0).o, NULL,
bytecode_start + GET_UI32(cur_op, 2),
cur_op + 6,
1);
goto NEXT;
OP(jumplist): {
MVMint64 num_labels = MVM_BC_get_I64(cur_op, 0);
MVMint64 input = GET_REG(cur_op, 8).i64;
cur_op += 10;
/* the goto ops are guaranteed valid/existent by validation.c */
if (input < 0 || input >= num_labels) { /* implicitly covers num_labels == 0 */
/* skip the entire goto list block */
cur_op += (6 /* size of each goto op */) * num_labels;
}
else { /* delve directly into the selected goto op */
cur_op = bytecode_start + GET_UI32(cur_op,
input * (6 /* size of each goto op */)
+ (2 /* size of the goto instruction itself */));
}
GC_SYNC_POINT(tc);
goto NEXT;
}
OP(getlex): {
MVMFrame *f = tc->cur_frame;
MVMuint16 idx = GET_UI16(cur_op, 2);
MVMuint16 outers = GET_UI16(cur_op, 4);
MVMuint16 *lexical_types;
while (outers) {
if (!f->outer)
MVM_exception_throw_adhoc(tc, "getlex: outer index out of range");
f = f->outer;
outers--;
}
lexical_types = f->spesh_cand && f->spesh_cand->lexical_types
? f->spesh_cand->lexical_types
: f->static_info->body.lexical_types;
if (lexical_types[idx] == MVM_reg_obj) {
MVMRegister found = GET_LEX(cur_op, 2, f);
MVMObject *value = found.o == NULL
? MVM_frame_vivify_lexical(tc, f, idx)
: found.o;
GET_REG(cur_op, 0).o = value;
if (MVM_spesh_log_is_logging(tc))
MVM_spesh_log_type(tc, value);
}
else {
GET_REG(cur_op, 0) = GET_LEX(cur_op, 2, f);
}
cur_op += 6;
goto NEXT;
}
OP(bindlex): {
MVMFrame *f = tc->cur_frame;
MVMuint16 outers = GET_UI16(cur_op, 2);
MVMuint16 kind = f->spesh_cand && f->spesh_cand->local_types
? f->spesh_cand->local_types[GET_UI16(cur_op, 4)]
: f->static_info->body.local_types[GET_UI16(cur_op, 4)];
while (outers) {
if (!f->outer)
MVM_exception_throw_adhoc(tc, "bindlex: outer index out of range");
f = f->outer;
outers--;
}
if (kind == MVM_reg_obj || kind == MVM_reg_str) {
#if MVM_GC_DEGUG
MVM_ASSERT_NOT_FROMSPACE(tc, GET_REG(cur_op, 4).o);
#endif
MVM_ASSIGN_REF(tc, &(f->header), GET_LEX(cur_op, 0, f).o,
GET_REG(cur_op, 4).o);
}
else {
GET_LEX(cur_op, 0, f) = GET_REG(cur_op, 4);
}
cur_op += 6;
goto NEXT;
}
OP(getlex_ni):
GET_REG(cur_op, 0).i64 = MVM_frame_find_lexical_by_name(tc,
MVM_cu_string(tc, cu, GET_UI32(cur_op, 2)), MVM_reg_int64)->i64;
cur_op += 6;
goto NEXT;
OP(getlex_nn):
GET_REG(cur_op, 0).n64 = MVM_frame_find_lexical_by_name(tc,
MVM_cu_string(tc, cu, GET_UI32(cur_op, 2)), MVM_reg_num64)->n64;
cur_op += 6;
goto NEXT;
OP(getlex_ns):
GET_REG(cur_op, 0).s = MVM_frame_find_lexical_by_name(tc,
MVM_cu_string(tc, cu, GET_UI32(cur_op, 2)), MVM_reg_str)->s;
cur_op += 6;
goto NEXT;
OP(getlex_no): {
MVMRegister *found = MVM_frame_find_lexical_by_name(tc,
MVM_cu_string(tc, cu, GET_UI32(cur_op, 2)), MVM_reg_obj);
if (found) {
GET_REG(cur_op, 0).o = found->o;
if (MVM_spesh_log_is_logging(tc))
MVM_spesh_log_type(tc, found->o);
}
else {
GET_REG(cur_op, 0).o = tc->instance->VMNull;
}
cur_op += 6;
goto NEXT;
}
OP(bindlex_ni):
MVM_frame_bind_lexical_by_name(tc,
MVM_cu_string(tc, cu, GET_UI32(cur_op, 0)),
MVM_reg_int64, &(GET_REG(cur_op, 4)));
cur_op += 6;
goto NEXT;
OP(bindlex_nn):
MVM_frame_bind_lexical_by_name(tc,
MVM_cu_string(tc, cu, GET_UI32(cur_op, 0)),
MVM_reg_num64, &(GET_REG(cur_op, 4)));
cur_op += 6;
goto NEXT;
OP(bindlex_ns):
MVM_frame_bind_lexical_by_name(tc,
MVM_cu_string(tc, cu, GET_UI32(cur_op, 0)),
MVM_reg_str, &(GET_REG(cur_op, 4)));
cur_op += 6;
goto NEXT;
OP(bindlex_no):
MVM_frame_bind_lexical_by_name(tc,
MVM_cu_string(tc, cu, GET_UI32(cur_op, 0)),
MVM_reg_obj, &(GET_REG(cur_op, 4)));
cur_op += 6;
goto NEXT;
OP(getlex_ng):
OP(bindlex_ng):
MVM_exception_throw_adhoc(tc, "get/bindlex_ng NYI");
OP(getdynlex): {
GET_REG(cur_op, 0).o = MVM_frame_getdynlex(tc, GET_REG(cur_op, 2).s,
tc->cur_frame->caller);
cur_op += 4;
goto NEXT;
}
OP(binddynlex): {
MVM_frame_binddynlex(tc, GET_REG(cur_op, 0).s, GET_REG(cur_op, 2).o,
tc->cur_frame->caller);
cur_op += 4;
goto NEXT;
}
OP(setlexvalue): {
MVMObject *code = GET_REG(cur_op, 0).o;
MVMString *name = MVM_cu_string(tc, cu, GET_UI32(cur_op, 2));
MVMObject *val = GET_REG(cur_op, 6).o;
MVMint16 flag = GET_I16(cur_op, 8);
if (flag < 0 || flag > 2)
MVM_exception_throw_adhoc(tc, "setlexvalue provided with invalid flag");
if (IS_CONCRETE(code) && REPR(code)->ID == MVM_REPR_ID_MVMCode) {
MVMStaticFrame *sf = ((MVMCode *)code)->body.sf;
MVMuint8 found = 0;
if (!sf->body.fully_deserialized)
MVM_bytecode_finish_frame(tc, sf->body.cu, sf, 0);
if (sf->body.lexical_names) {
MVMLexicalRegistry *entry;
MVM_HASH_GET(tc, sf->body.lexical_names, name, entry);
if (entry && sf->body.lexical_types[entry->value] == MVM_reg_obj) {
MVM_ASSIGN_REF(tc, &(sf->common.header), sf->body.static_env[entry->value].o, val);
sf->body.static_env_flags[entry->value] = (MVMuint8)flag;
found = 1;
}
}
if (!found)
MVM_exception_throw_adhoc(tc, "setstaticlex given invalid lexical name");
}
else {
MVM_exception_throw_adhoc(tc, "setstaticlex needs a code ref");
}
cur_op += 10;
goto NEXT;
}
OP(lexprimspec): {
MVMObject *ctx = GET_REG(cur_op, 2).o;
MVMString *name = GET_REG(cur_op, 4).s;
if (REPR(ctx)->ID != MVM_REPR_ID_MVMContext || !IS_CONCRETE(ctx))
MVM_exception_throw_adhoc(tc, "lexprimspec needs a context");
GET_REG(cur_op, 0).i64 = MVM_frame_lexical_primspec(tc,
((MVMContext *)ctx)->body.context, name);
cur_op += 6;
goto NEXT;
}
OP(return_i):
if (MVM_spesh_log_is_logging(tc))
MVM_spesh_log_return_type(tc, NULL);
MVM_args_set_result_int(tc, GET_REG(cur_op, 0).i64,
MVM_RETURN_CALLER_FRAME);
if (MVM_frame_try_return(tc) == 0)
goto return_label;
goto NEXT;
OP(return_n):
if (MVM_spesh_log_is_logging(tc))
MVM_spesh_log_return_type(tc, NULL);
MVM_args_set_result_num(tc, GET_REG(cur_op, 0).n64,
MVM_RETURN_CALLER_FRAME);
if (MVM_frame_try_return(tc) == 0)
goto return_label;
goto NEXT;
OP(return_s):
if (MVM_spesh_log_is_logging(tc))
MVM_spesh_log_return_type(tc, NULL);
MVM_args_set_result_str(tc, GET_REG(cur_op, 0).s,
MVM_RETURN_CALLER_FRAME);
if (MVM_frame_try_return(tc) == 0)
goto return_label;
goto NEXT;
OP(return_o): {
MVMObject *value = GET_REG(cur_op, 0).o;
if (MVM_spesh_log_is_logging(tc)) {
MVMROOT(tc, value, {
MVM_spesh_log_return_type(tc, value);
});
}
MVM_args_set_result_obj(tc, value, MVM_RETURN_CALLER_FRAME);
if (MVM_frame_try_return(tc) == 0)
goto return_label;
goto NEXT;
}
OP(return):
if (MVM_spesh_log_is_logging(tc))
MVM_spesh_log_return_type(tc, NULL);
MVM_args_assert_void_return_ok(tc, MVM_RETURN_CALLER_FRAME);
if (MVM_frame_try_return(tc) == 0)
goto return_label;
goto NEXT;
OP(eq_i):
GET_REG(cur_op, 0).i64 = GET_REG(cur_op, 2).i64 == GET_REG(cur_op, 4).i64;
cur_op += 6;
goto NEXT;
OP(ne_i):
GET_REG(cur_op, 0).i64 = GET_REG(cur_op, 2).i64 != GET_REG(cur_op, 4).i64;
cur_op += 6;
goto NEXT;
OP(lt_i):
GET_REG(cur_op, 0).i64 = GET_REG(cur_op, 2).i64 < GET_REG(cur_op, 4).i64;
cur_op += 6;
goto NEXT;
OP(le_i):
GET_REG(cur_op, 0).i64 = GET_REG(cur_op, 2).i64 <= GET_REG(cur_op, 4).i64;
cur_op += 6;
goto NEXT;
OP(gt_i):
GET_REG(cur_op, 0).i64 = GET_REG(cur_op, 2).i64 > GET_REG(cur_op, 4).i64;
cur_op += 6;
goto NEXT;
OP(ge_i):
GET_REG(cur_op, 0).i64 = GET_REG(cur_op, 2).i64 >= GET_REG(cur_op, 4).i64;
cur_op += 6;
goto NEXT;
OP(cmp_i): {
MVMint64 a = GET_REG(cur_op, 2).i64, b = GET_REG(cur_op, 4).i64;
GET_REG(cur_op, 0).i64 = (a > b) - (a < b);
cur_op += 6;
goto NEXT;
}
OP(add_i):
GET_REG(cur_op, 0).i64 = GET_REG(cur_op, 2).i64 + GET_REG(cur_op, 4).i64;
cur_op += 6;
goto NEXT;
OP(sub_i):
GET_REG(cur_op, 0).i64 = GET_REG(cur_op, 2).i64 - GET_REG(cur_op, 4).i64;
cur_op += 6;
goto NEXT;
OP(mul_i):
GET_REG(cur_op, 0).i64 = GET_REG(cur_op, 2).i64 * GET_REG(cur_op, 4).i64;
cur_op += 6;
goto NEXT;
OP(div_i): {
MVMint64 num = GET_REG(cur_op, 2).i64;
MVMint64 denom = GET_REG(cur_op, 4).i64;
/* if we have a negative result, make sure we floor rather
* than rounding towards zero. */
if (denom == 0)
MVM_exception_throw_adhoc(tc, "Division by zero");
if ((num < 0) ^ (denom < 0)) {
if ((num % denom) != 0) {
GET_REG(cur_op, 0).i64 = num / denom - 1;
} else {
GET_REG(cur_op, 0).i64 = num / denom;
}
} else {
GET_REG(cur_op, 0).i64 = num / denom;
}
cur_op += 6;
goto NEXT;
}
OP(div_u):
GET_REG(cur_op, 0).u64 = GET_REG(cur_op, 2).u64 / GET_REG(cur_op, 4).u64;
cur_op += 6;
goto NEXT;
OP(mod_i): {
MVMint64 numer = GET_REG(cur_op, 2).i64;
MVMint64 denom = GET_REG(cur_op, 4).i64;
if (denom == 0)
MVM_exception_throw_adhoc(tc, "Modulation by zero");
GET_REG(cur_op, 0).i64 = numer % denom;
cur_op += 6;
goto NEXT;
}
OP(mod_u):
GET_REG(cur_op, 0).u64 = GET_REG(cur_op, 2).u64 % GET_REG(cur_op, 4).u64;
cur_op += 6;
goto NEXT;
OP(neg_i):
GET_REG(cur_op, 0).i64 = -GET_REG(cur_op, 2).i64;
cur_op += 4;
goto NEXT;
OP(abs_i): {
MVMint64 v = GET_REG(cur_op, 2).i64, mask = v >> 63;
GET_REG(cur_op, 0).i64 = (v + mask) ^ mask;
cur_op += 4;
goto NEXT;
}
OP(inc_i):
GET_REG(cur_op, 0).i64++;
cur_op += 2;
goto NEXT;
OP(inc_u):
GET_REG(cur_op, 0).u64++;
cur_op += 2;
goto NEXT;
OP(dec_i):
GET_REG(cur_op, 0).i64--;
cur_op += 2;
goto NEXT;
OP(dec_u):
GET_REG(cur_op, 0).u64--;
cur_op += 2;
goto NEXT;
OP(band_i):
GET_REG(cur_op, 0).i64 = GET_REG(cur_op, 2).i64 & GET_REG(cur_op, 4).i64;
cur_op += 6;
goto NEXT;
OP(bor_i):
GET_REG(cur_op, 0).i64 = GET_REG(cur_op, 2).i64 | GET_REG(cur_op, 4).i64;
cur_op += 6;
goto NEXT;
OP(bxor_i):
GET_REG(cur_op, 0).i64 = GET_REG(cur_op, 2).i64 ^ GET_REG(cur_op, 4).i64;
cur_op += 6;
goto NEXT;
OP(bnot_i):
GET_REG(cur_op, 0).i64 = ~GET_REG(cur_op, 2).i64;
cur_op += 4;
goto NEXT;
OP(blshift_i):
GET_REG(cur_op, 0).i64 = GET_REG(cur_op, 2).i64 << GET_REG(cur_op, 4).i64;
cur_op += 6;
goto NEXT;
OP(brshift_i):
GET_REG(cur_op, 0).i64 = GET_REG(cur_op, 2).i64 >> GET_REG(cur_op, 4).i64;
cur_op += 6;
goto NEXT;
OP(pow_i): {
MVMint64 base = GET_REG(cur_op, 2).i64;
MVMint64 exp = GET_REG(cur_op, 4).i64;
MVMint64 result = 1;
/* "Exponentiation by squaring" */
if (exp < 0) {
result = 0; /* because 1/base**-exp is between 0 and 1 */
}
else {
while (exp) {
if (exp & 1)
result *= base;
exp >>= 1;
base *= base;
}
}
GET_REG(cur_op, 0).i64 = result;
}
cur_op += 6;
goto NEXT;
OP(not_i): {
GET_REG(cur_op, 0).i64 = GET_REG(cur_op, 2).i64 ? 0 : 1;
cur_op += 4;
goto NEXT;
}
OP(gcd_i): {
MVMint64 a = labs(GET_REG(cur_op, 2).i64), b = labs(GET_REG(cur_op, 4).i64), c;
while ( b != 0 ) {
c = a % b; a = b; b = c;
}
GET_REG(cur_op, 0).i64 = a;
cur_op += 6;
goto NEXT;
}
OP(lcm_i): {
MVMint64 a = GET_REG(cur_op, 2).i64, b = GET_REG(cur_op, 4).i64, c, a_ = a, b_ = b;
while ( b != 0 ) {
c = a % b; a = b; b = c;
}
c = a;
GET_REG(cur_op, 0).i64 = a_ / c * b_;
cur_op += 6;
goto NEXT;
}
OP(eq_n):
GET_REG(cur_op, 0).i64 = GET_REG(cur_op, 2).n64 == GET_REG(cur_op, 4).n64;
cur_op += 6;
goto NEXT;
OP(ne_n):
GET_REG(cur_op, 0).i64 = GET_REG(cur_op, 2).n64 != GET_REG(cur_op, 4).n64;
cur_op += 6;
goto NEXT;
OP(lt_n):
GET_REG(cur_op, 0).i64 = GET_REG(cur_op, 2).n64 < GET_REG(cur_op, 4).n64;
cur_op += 6;
goto NEXT;
OP(le_n):
GET_REG(cur_op, 0).i64 = GET_REG(cur_op, 2).n64 <= GET_REG(cur_op, 4).n64;
cur_op += 6;
goto NEXT;
OP(gt_n):
GET_REG(cur_op, 0).i64 = GET_REG(cur_op, 2).n64 > GET_REG(cur_op, 4).n64;
cur_op += 6;
goto NEXT;
OP(ge_n):
GET_REG(cur_op, 0).i64 = GET_REG(cur_op, 2).n64 >= GET_REG(cur_op, 4).n64;
cur_op += 6;
goto NEXT;
OP(cmp_n): {
MVMnum64 a = GET_REG(cur_op, 2).n64, b = GET_REG(cur_op, 4).n64;
GET_REG(cur_op, 0).i64 = (a > b) - (a < b);
cur_op += 6;
goto NEXT;
}
OP(add_n):
GET_REG(cur_op, 0).n64 = GET_REG(cur_op, 2).n64 + GET_REG(cur_op, 4).n64;
cur_op += 6;
goto NEXT;
OP(sub_n):
GET_REG(cur_op, 0).n64 = GET_REG(cur_op, 2).n64 - GET_REG(cur_op, 4).n64;
cur_op += 6;
goto NEXT;
OP(mul_n):
GET_REG(cur_op, 0).n64 = GET_REG(cur_op, 2).n64 * GET_REG(cur_op, 4).n64;
cur_op += 6;
goto NEXT;
OP(div_n):
GET_REG(cur_op, 0).n64 = GET_REG(cur_op, 2).n64 / GET_REG(cur_op, 4).n64;
cur_op += 6;
goto NEXT;
OP(mod_n): {
MVMnum64 a = GET_REG(cur_op, 2).n64;
MVMnum64 b = GET_REG(cur_op, 4).n64;
GET_REG(cur_op, 0).n64 = b == 0 ? a : a - b * floor(a / b);
cur_op += 6;
goto NEXT;
}
OP(neg_n):
GET_REG(cur_op, 0).n64 = -GET_REG(cur_op, 2).n64;
cur_op += 4;
goto NEXT;
OP(abs_n):
{
MVMnum64 num = GET_REG(cur_op, 2).n64;
/* The 1.0/num logic checks for a negative zero */
if (num < 0 || (num == 0 && 1.0/num < 0) ) num = num * -1;
GET_REG(cur_op, 0).n64 = num;
cur_op += 4;
}
goto NEXT;
OP(pow_n):
GET_REG(cur_op, 0).n64 = pow(GET_REG(cur_op, 2).n64, GET_REG(cur_op, 4).n64);
cur_op += 6;
goto NEXT;
OP(ceil_n):{
GET_REG(cur_op, 0).n64 = ceil(GET_REG(cur_op, 2).n64);
cur_op += 4;
goto NEXT;
}
OP(floor_n): {
GET_REG(cur_op, 0).n64 = floor(GET_REG(cur_op, 2).n64);
cur_op += 4;
goto NEXT;
}
OP(sin_n):
GET_REG(cur_op, 0).n64 = sin(GET_REG(cur_op, 2).n64);
cur_op += 4;
goto NEXT;
OP(asin_n):
GET_REG(cur_op, 0).n64 = asin(GET_REG(cur_op, 2).n64);
cur_op += 4;
goto NEXT;
OP(cos_n):
GET_REG(cur_op, 0).n64 = cos(GET_REG(cur_op, 2).n64);
cur_op += 4;
goto NEXT;
OP(acos_n):
GET_REG(cur_op, 0).n64 = acos(GET_REG(cur_op, 2).n64);
cur_op += 4;
goto NEXT;
OP(tan_n):
GET_REG(cur_op, 0).n64 = tan(GET_REG(cur_op, 2).n64);
cur_op += 4;
goto NEXT;
OP(atan_n):
GET_REG(cur_op, 0).n64 = atan(GET_REG(cur_op, 2).n64);
cur_op += 4;
goto NEXT;
OP(atan2_n):
GET_REG(cur_op, 0).n64 = atan2(GET_REG(cur_op, 2).n64,
GET_REG(cur_op, 4).n64);
cur_op += 6;
goto NEXT;
OP(sec_n): /* XXX TODO) handle edge cases */
GET_REG(cur_op, 0).n64 = 1.0 / cos(GET_REG(cur_op, 2).n64);
cur_op += 4;
goto NEXT;
OP(asec_n): /* XXX TODO) handle edge cases */
GET_REG(cur_op, 0).n64 = acos(1.0 / GET_REG(cur_op, 2).n64);
cur_op += 4;
goto NEXT;
OP(sinh_n):
GET_REG(cur_op, 0).n64 = sinh(GET_REG(cur_op, 2).n64);
cur_op += 4;
goto NEXT;
OP(cosh_n):
GET_REG(cur_op, 0).n64 = cosh(GET_REG(cur_op, 2).n64);
cur_op += 4;
goto NEXT;
OP(tanh_n):
GET_REG(cur_op, 0).n64 = tanh(GET_REG(cur_op, 2).n64);
cur_op += 4;
goto NEXT;
OP(sech_n): /* XXX TODO) handle edge cases */
GET_REG(cur_op, 0).n64 = 1.0 / cosh(GET_REG(cur_op, 2).n64);
cur_op += 4;
goto NEXT;
OP(sqrt_n):
GET_REG(cur_op, 0).n64 = sqrt(GET_REG(cur_op, 2).n64);
cur_op += 4;
goto NEXT;
OP(log_n):
GET_REG(cur_op, 0).n64 = log(GET_REG(cur_op, 2).n64);
cur_op += 4;
goto NEXT;
OP(exp_n):
GET_REG(cur_op, 0).n64 = exp(GET_REG(cur_op, 2).n64);
cur_op += 4;
goto NEXT;
OP(coerce_in):
GET_REG(cur_op, 0).n64 = (MVMnum64)GET_REG(cur_op, 2).i64;
cur_op += 4;
goto NEXT;
OP(coerce_ni):
GET_REG(cur_op, 0).i64 = (MVMint64)GET_REG(cur_op, 2).n64;
cur_op += 4;
goto NEXT;
OP(coerce_is): {
GET_REG(cur_op, 0).s = MVM_coerce_i_s(tc, GET_REG(cur_op, 2).i64);
cur_op += 4;
goto NEXT;
}
OP(coerce_ns): {
GET_REG(cur_op, 0).s = MVM_coerce_n_s(tc, GET_REG(cur_op, 2).n64);
cur_op += 4;
goto NEXT;
}
OP(coerce_si):
GET_REG(cur_op, 0).i64 = MVM_coerce_s_i(tc, GET_REG(cur_op, 2).s);
cur_op += 4;
goto NEXT;
OP(coerce_sn):
GET_REG(cur_op, 0).n64 = MVM_coerce_s_n(tc, GET_REG(cur_op, 2).s);
cur_op += 4;
goto NEXT;
OP(smrt_numify): {
/* Increment PC before calling coercer, as it may make
* a method call to get the result. */
MVMObject *obj = GET_REG(cur_op, 2).o;
MVMRegister *res = &GET_REG(cur_op, 0);
cur_op += 4;
MVM_coerce_smart_numify(tc, obj, res);
goto NEXT;
}
OP(smrt_strify): {
/* Increment PC before calling coercer, as it may make
* a method call to get the result. */
MVMObject *obj = GET_REG(cur_op, 2).o;
MVMRegister *res = &GET_REG(cur_op, 0);
cur_op += 4;
MVM_coerce_smart_stringify(tc, obj, res);
goto NEXT;
}
OP(prepargs):
/* Store callsite in the frame so that the GC knows how to mark
* any arguments. Note that since none of the arg-setting ops can
* trigger GC, there's no way the setup can be interrupted, so we
* don't need to clear the args buffer before we start. */
cur_callsite = cu->body.callsites[GET_UI16(cur_op, 0)];
tc->cur_frame->cur_args_callsite = cur_callsite;
cur_op += 2;
goto NEXT;
OP(arg_i):
tc->cur_frame->args[GET_UI16(cur_op, 0)].i64 = GET_REG(cur_op, 2).i64;
cur_op += 4;
goto NEXT;
OP(arg_n):
tc->cur_frame->args[GET_UI16(cur_op, 0)].n64 = GET_REG(cur_op, 2).n64;
cur_op += 4;
goto NEXT;
OP(arg_s):
tc->cur_frame->args[GET_UI16(cur_op, 0)].s = GET_REG(cur_op, 2).s;
cur_op += 4;
goto NEXT;
OP(arg_o):
tc->cur_frame->args[GET_UI16(cur_op, 0)].o = GET_REG(cur_op, 2).o;
cur_op += 4;
goto NEXT;
OP(argconst_i):
tc->cur_frame->args[GET_UI16(cur_op, 0)].i64 = MVM_BC_get_I64(cur_op, 2);
cur_op += 10;
goto NEXT;
OP(argconst_n):
tc->cur_frame->args[GET_UI16(cur_op, 0)].n64 = MVM_BC_get_N64(cur_op, 2);
cur_op += 10;
goto NEXT;
OP(argconst_s):
tc->cur_frame->args[GET_UI16(cur_op, 0)].s =
MVM_cu_string(tc, cu, GET_UI32(cur_op, 2));
cur_op += 6;
goto NEXT;
OP(invoke_v):
{
MVMObject *code = GET_REG(cur_op, 0).o;
MVMRegister *args = tc->cur_frame->args;
MVMuint16 was_multi = 0;
/* was_multi argument is MVMuint16* */
code = MVM_frame_find_invokee_multi_ok(tc, code, &cur_callsite, args,
&was_multi);
if (MVM_spesh_log_is_logging(tc)) {
MVMROOT(tc, code, {
/* was_multi is MVMint16 */
MVM_spesh_log_invoke_target(tc, code, was_multi);
});
}
tc->cur_frame->return_value = NULL;
tc->cur_frame->return_type = MVM_RETURN_VOID;
cur_op += 2;
tc->cur_frame->return_address = cur_op;
STABLE(code)->invoke(tc, code, cur_callsite, args);
}
goto NEXT;
OP(invoke_i):
{
MVMObject *code = GET_REG(cur_op, 2).o;
MVMRegister *args = tc->cur_frame->args;
MVMuint16 was_multi = 0;
code = MVM_frame_find_invokee_multi_ok(tc, code, &cur_callsite, args,
&was_multi);
if (MVM_spesh_log_is_logging(tc)) {
MVMROOT(tc, code, {
MVM_spesh_log_invoke_target(tc, code, was_multi);
});
}
tc->cur_frame->return_value = &GET_REG(cur_op, 0);
tc->cur_frame->return_type = MVM_RETURN_INT;
cur_op += 4;
tc->cur_frame->return_address = cur_op;
STABLE(code)->invoke(tc, code, cur_callsite, args);
}
goto NEXT;
OP(invoke_n):
{
MVMObject *code = GET_REG(cur_op, 2).o;
MVMRegister *args = tc->cur_frame->args;
MVMuint16 was_multi = 0;
code = MVM_frame_find_invokee_multi_ok(tc, code, &cur_callsite, args,
&was_multi);
if (MVM_spesh_log_is_logging(tc)) {
MVMROOT(tc, code, {
MVM_spesh_log_invoke_target(tc, code, was_multi);
});
}
tc->cur_frame->return_value = &GET_REG(cur_op, 0);
tc->cur_frame->return_type = MVM_RETURN_NUM;
cur_op += 4;
tc->cur_frame->return_address = cur_op;
STABLE(code)->invoke(tc, code, cur_callsite, args);
}
goto NEXT;
OP(invoke_s):
{
MVMObject *code = GET_REG(cur_op, 2).o;
MVMRegister *args = tc->cur_frame->args;
MVMuint16 was_multi = 0;
code = MVM_frame_find_invokee_multi_ok(tc, code, &cur_callsite, args,
&was_multi);
if (MVM_spesh_log_is_logging(tc)) {
MVMROOT(tc, code, {
MVM_spesh_log_invoke_target(tc, code, was_multi);
});
}
tc->cur_frame->return_value = &GET_REG(cur_op, 0);
tc->cur_frame->return_type = MVM_RETURN_STR;
cur_op += 4;
tc->cur_frame->return_address = cur_op;
STABLE(code)->invoke(tc, code, cur_callsite, args);
}
goto NEXT;
OP(invoke_o):
{
MVMObject *code = GET_REG(cur_op, 2).o;
MVMRegister *args = tc->cur_frame->args;
MVMuint16 was_multi = 0;
code = MVM_frame_find_invokee_multi_ok(tc, code, &cur_callsite, args,
&was_multi);
if (MVM_spesh_log_is_logging(tc)) {
MVMROOT(tc, code, {
MVM_spesh_log_invoke_target(tc, code, was_multi);
});
}
tc->cur_frame->return_value = &GET_REG(cur_op, 0);
tc->cur_frame->return_type = MVM_RETURN_OBJ;
cur_op += 4;
tc->cur_frame->return_address = cur_op;
STABLE(code)->invoke(tc, code, cur_callsite, args);
}
goto NEXT;
OP(checkarity):
MVM_args_checkarity(tc, &tc->cur_frame->params, GET_UI16(cur_op, 0), GET_UI16(cur_op, 2));
cur_op += 4;
goto NEXT;
OP(param_rp_i):