aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/beam/ops.tab
blob: 81be97fd1e97bb6b4d68b189d61657307b69d63a (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
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
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
#
# %CopyrightBegin%
#
# Copyright Ericsson AB 1997-2010. All Rights Reserved.
#
# The contents of this file are subject to the Erlang Public License,
# Version 1.1, (the "License"); you may not use this file except in
# compliance with the License. You should have received a copy of the
# Erlang Public License along with this software. If not, it can be
# retrieved online at http://www.erlang.org/.
#
# Software distributed under the License is distributed on an "AS IS"
# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
# the License for the specific language governing rights and limitations
# under the License.
#
# %CopyrightEnd%
#

#
# The instructions that follows are only known by the loader and the emulator.
# They can be changed without recompiling old Beam files.
#
# Instructions starting with a "i_" prefix are instructions produced by
# instruction transformations; thus, they never occur in BEAM files.
#

# Special instruction used to generate an error message when
# trying to load a module compiled by the V1 compiler (R5 & R6).
# (Specially treated in beam_load.c.)

too_old_compiler/0
too_old_compiler

#
# Obsolete instruction usage follow. (Nowdays we use f with
# a zero label instead of p.)
#

is_list p S => too_old_compiler
is_nonempty_list p R => too_old_compiler
is_nil p R => too_old_compiler

is_tuple p S => too_old_compiler
test_arity p S Arity => too_old_compiler

is_integer p R => too_old_compiler
is_float p R => too_old_compiler
is_atom p R => too_old_compiler

is_eq_exact p S1 S2 => too_old_compiler

# In R9C and earlier, the loader used to insert special instructions inside
# the module_info/0,1 functions. (In R10B and later, the compiler inserts
# an explicit call to an undocumented BIF, so that no loader trickery is
# necessary.) Since the instructions don't work correctly in R12B, simply
# refuse to load the module.

func_info M=a a==am_module_info A=u==0 | label L | move n r => too_old_compiler
func_info M=a a==am_module_info A=u==1 | label L | move n r => too_old_compiler

# The undocumented and unsupported guard BIF is_constant/1 was removed
# in R13. The is_constant/2 operation is marked as obsolete in genop.tab,
# so the loader will automatically generate a too_old_compiler message
# it is used, but we need to handle the is_constant/1 BIF specially here.

bif1 Fail u$func:erlang:is_constant/1 Src Dst => too_old_compiler

# Since the constant pool was introduced in R12B, empty tuples ({})
# are literals. Therefore we no longer need to allow put_tuple/2
# with a tuple size of zero.

put_tuple u==0 d => too_old_compiler

#
# All the other instructions.
#

label L
i_func_info I a a I
int_code_end

i_trace_breakpoint
i_mtrace_breakpoint
i_debug_breakpoint
i_count_breakpoint
i_time_breakpoint
i_return_time_trace
i_return_to_trace
i_yield
i_global_cons
i_global_tuple
i_global_copy

return

%macro: allocate Allocate -pack
%macro: allocate_zero AllocateZero -pack
%macro: allocate_heap AllocateHeap -pack
%macro: allocate_heap_zero AllocateHeapZero -pack
%macro: test_heap TestHeap -pack

allocate t t
allocate_heap I I I
deallocate I
init y
allocate_zero t t
allocate_heap_zero I I I

trim N Remaining => i_trim N
i_trim I

test_heap I I

allocate_heap S u==0 R => allocate S R
allocate_heap_zero S u==0 R => allocate_zero S R

init2 y y
init3 y y y
init Y1 | init Y2 | init Y3 => init3 Y1 Y2 Y3
init Y1 | init Y2 => init2 Y1 Y2
%macro: init2 Init2 -pack
%macro: init3 Init3 -pack

# Selecting values

select_val S=q Fail=f Size=u Rest=* => const_select_val(S, Fail, Size, Rest)

select_val S=s Fail=f Size=u Rest=* | use_jump_tab(Size, Rest) => \
  gen_jump_tab(S, Fail, Size, Rest)

is_integer Fail=f S | select_val S=s Fail=f Size=u Rest=* | use_jump_tab(Size, Rest) => \
  gen_jump_tab(S, Fail, Size, Rest)

is_integer TypeFail=f S | select_val S=s Fail=f Size=u Rest=* | \
	   mixed_types(Size, Rest) => \
  gen_split_values(S, TypeFail, Fail, Size, Rest)

select_val S=s Fail=f Size=u Rest=* | mixed_types(Size, Rest) => \
  gen_split_values(S, Fail, Fail, Size, Rest)

is_integer Fail=f S | select_val S=s Fail=f Size=u Rest=* | \
  fixed_size_values(Size, Rest) => gen_select_val(S, Fail, Size, Rest)

is_atom Fail=f S | select_val S=s Fail=f Size=u Rest=* | \
  fixed_size_values(Size, Rest) => gen_select_val(S, Fail, Size, Rest)

select_val S=s Fail=f Size=u Rest=* | floats_or_bignums(Size, Rest) => \
  gen_select_literals(S, Fail, Size, Rest)

select_val S=s Fail=f Size=u Rest=* | fixed_size_values(Size, Rest) => \
  gen_select_val(S, Fail, Size, Rest)

is_tuple Fail=f S | select_tuple_arity S=s Fail=f Size=u Rest=* => \
  gen_select_tuple_arity(S, Fail, Size, Rest)

select_tuple_arity S=s Fail=f Size=u Rest=* => \
  gen_select_tuple_arity(S, Fail, Size, Rest)

i_select_val s f I
i_select_tuple_arity s f I

i_jump_on_val_zero s f I
i_jump_on_val s f I I

jump Target | label Lbl | same_label(Target, Lbl) => label Lbl

is_ne_exact L1 S1 S2 | jump Fail | label L2 | same_label(L1, L2) => \
  is_eq_exact Fail S1 S2 | label L2

%macro: get_list GetList -pack
get_list x x x
get_list x x y
get_list x x r
get_list x y x
get_list x y y
get_list x y r
get_list x r x
get_list x r y

get_list y x x
get_list y x y
get_list y x r
get_list y y x
get_list y y y
get_list y y r
get_list y r x
get_list y r y

get_list r x x
get_list r x y
get_list r x r
get_list r y x
get_list r y y
get_list r y r
get_list r r x
get_list r r y

# Old-style catch.
catch y f
catch_end y

# Try/catch.
try Y F => catch Y F
try_case Y => try_end Y
try_end y

try_case_end Literal=q => move Literal x | try_case_end x
try_case_end s

# Destructive set tuple element

set_tuple_element Lit=q Tuple Pos => move Lit x | set_tuple_element x Tuple Pos
set_tuple_element s d P

# Get tuple element

%macro: i_get_tuple_element GetTupleElement -pack
i_get_tuple_element x P x
i_get_tuple_element r P x
i_get_tuple_element y P x
i_get_tuple_element x P r
i_get_tuple_element y P r

%cold
i_get_tuple_element r P r
i_get_tuple_element x P y
i_get_tuple_element r P y
i_get_tuple_element y P y
%hot

%macro: is_number IsNumber -fail_action
%cold
is_number f r
is_number f x
is_number f y
%hot
is_number Fail=f i =>
is_number Fail=f na => jump Fail
is_number Fail Literal=q => move Literal x | is_number Fail x

jump f

case_end Literal=q => move Literal x | case_end x
badmatch Literal=q => move Literal x | badmatch x

case_end s
badmatch s
if_end
raise s s

# Internal now, but could be useful to make known to the compiler.
badarg j
system_limit j

move R R =>

move X1=x Y1=y | move X2=x Y2=y => move2 X1 Y1 X2 Y2
move Y1=y X1=x | move Y2=y X2=x => move2 Y1 X1 Y2 X2
move X1=x X2=x | move X3=x X4=x => move2 X1 X2 X3 X4

%macro: move2 Move2 -pack
move2 x y x y
move2 y x y x
move2 x x x x

%macro:move Move -pack -gen_dest
move x x
move x y
move x r
move y x
move y r
move r x
move r y
move c r
move c x
move c y
move n x
move n r
move y y

%cold
move s d
%hot

# Receive operations.

loop_rec Fail Src | smp_mark_target_label(Fail) => i_loop_rec Fail Src

label L | wait_timeout Fail Src | smp_already_locked(L) => label L | i_wait_timeout_locked Fail Src
wait_timeout Fail Src => i_wait_timeout Fail Src
i_wait_timeout Fail Src=aiq => gen_literal_timeout(Fail, Src)
i_wait_timeout_locked Fail Src=aiq => gen_literal_timeout_locked(Fail, Src)

label L | wait Fail | smp_already_locked(L) => label L | wait_locked Fail
wait Fail | smp() => wait_unlocked Fail

label L | timeout | smp_already_locked(L) => label L | timeout_locked

remove_message
timeout
timeout_locked
i_loop_rec f r
loop_rec_end f
wait f
wait_locked f
wait_unlocked f
i_wait_timeout f I
i_wait_timeout f s
i_wait_timeout_locked f I
i_wait_timeout_locked f s
i_wait_error
i_wait_error_locked

send

#
# Comparisions.
#

is_eq_exact Lbl=f R=rxy C=ian => i_is_eq_immed Lbl R C
is_eq Lbl=f R=rxy C=an => i_is_eq_immed Lbl R C

is_ge Lbl S1 S2 => i_fetch S1 S2 | i_is_ge Lbl
is_lt Lbl S1 S2 => i_fetch S1 S2 | i_is_lt Lbl
is_eq Lbl S1 S2 => i_fetch S1 S2 | i_is_eq Lbl
is_ne Lbl S1 S2 => i_fetch S1 S2 | i_is_ne Lbl

is_eq_exact Lbl=f S1 S2 => i_fetch S1 S2 | i_is_eq_exact Lbl
is_ne_exact Lbl S1 S2 => i_fetch S1 S2 | i_is_ne_exact Lbl

i_is_lt f
i_is_ge f
i_is_eq f
i_is_ne f
i_is_eq_exact f
i_is_ne_exact f

%macro: i_is_eq_immed EqualImmed -fail_action
i_is_eq_immed f r c
i_is_eq_immed f x c
i_is_eq_immed f y c

#
# Putting things.
#

put_tuple Arity Dst | put V => i_put_tuple Arity V Dst

%macro: i_put_tuple PutTuple -pack
i_put_tuple A x x
i_put_tuple A y x
i_put_tuple A r x
i_put_tuple A n x
i_put_tuple A c x
i_put_tuple A x y
i_put_tuple A x r
i_put_tuple A y r
i_put_tuple A n r
i_put_tuple A c r

%cold
i_put_tuple A r y
i_put_tuple A y y
i_put_tuple A c y
%hot

%macro:put_list PutList -pack -gen_dest

put_list x n x
put_list y n x
put_list x x x
put_list y x x
put_list c n x
put_list x x r
put_list y r r
put_list c n r

put_list y y x
put_list x y x
put_list r x x
put_list r y x
put_list r x r
put_list y y r
put_list y r x
put_list r n x

# put_list SrcReg Constant Dst
put_list r c r
put_list r c x
put_list r c y

put_list x c r
put_list x c x
put_list x c y

put_list y c r
put_list y c x
put_list y c y

# put_list Constant SrcReg Dst
put_list c r r
put_list c r x
put_list c r y

put_list c x r
put_list c x x
put_list c x y

put_list c y r
put_list c y x
put_list c y y

%cold
put_list x r r
put_list s s d
%hot

%macro: put Put
put x
put r
put y
put c
put n

%macro: i_fetch FetchArgs -pack
i_fetch c c
i_fetch c r
i_fetch c x
i_fetch c y
i_fetch r c
i_fetch r x
i_fetch r y
i_fetch x c
i_fetch x r
i_fetch x x
i_fetch x y
i_fetch y c
i_fetch y r
i_fetch y x
i_fetch y y

%cold
i_fetch s s
%hot

#
# Some more only used by the emulator
#

normal_exit
continue_exit
apply_bif
call_nif
call_error_handler
error_action_code
call_traced_function
return_trace

#
# Instruction transformations & folded instructions.
#

# Note: There is no 'move_return y r', since there never are any y registers
# when we do move_return (if we have y registers, we must do move_deallocate_return).

move S r | return => move_return S r

%macro: move_return MoveReturn -nonext
move_return x r
move_return c r
move_return n r

move S r | deallocate D | return => move_deallocate_return S r D

%macro: move_deallocate_return MoveDeallocateReturn -pack -nonext
move_deallocate_return x r Q
move_deallocate_return y r Q
move_deallocate_return c r Q
move_deallocate_return n r Q

deallocate D | return => deallocate_return D

%macro: deallocate_return DeallocateReturn -nonext
deallocate_return Q

test_heap Need u==1 | put_list Y=y r r => test_heap_1_put_list Need Y

test_heap_1_put_list I y

# Test tuple & arity (head)

is_tuple Fail Literal=q => move Literal x | is_tuple Fail x
is_tuple Fail=f c => jump Fail
is_tuple Fail=f S=rxy | test_arity Fail=f S=rxy Arity => is_tuple_of_arity Fail S Arity

%macro:is_tuple_of_arity IsTupleOfArity -fail_action

is_tuple_of_arity f x A
is_tuple_of_arity f y A
is_tuple_of_arity f r A

%macro: is_tuple IsTuple -fail_action
is_tuple f x
is_tuple f y
is_tuple f r

test_arity Fail Literal=q Arity => move Literal x | test_arity Fail x Arity
test_arity Fail=f c Arity => jump Fail

%macro: test_arity IsArity -fail_action
test_arity f x A
test_arity f y A
test_arity f r A

is_tuple_of_arity Fail=f Reg Arity | get_tuple_element Reg P=u==0 Dst=xy => \
  is_tuple_of_arity Fail Reg Arity | extract_next_element Dst | original_reg Reg P

test_arity Fail Reg Arity | get_tuple_element Reg P=u==0 Dst=xy => \
  test_arity Fail Reg Arity | extract_next_element Dst | original_reg Reg P

original_reg Reg P1 | get_tuple_element Reg P2 Dst=xy | succ(P1, P2) => \
  extract_next_element Dst | original_reg Reg P2

get_tuple_element Reg P Dst => i_get_tuple_element Reg P Dst | original_reg Reg P

original_reg Reg Pos =>

get_tuple_element Reg P Dst => i_get_tuple_element Reg P Dst

original_reg/2

extract_next_element D1=xy | original_reg Reg P1 | get_tuple_element Reg P2 D2=xy | \
succ(P1, P2) | succ(D1, D2) => \
  extract_next_element2 D1 | original_reg Reg P2

extract_next_element2 D1=xy | original_reg Reg P1 | get_tuple_element Reg P2 D2=xy | \
succ(P1, P2) | succ2(D1, D2) => \
  extract_next_element3 D1 | original_reg Reg P2

#extract_next_element3 D1=xy | original_reg Reg P1 | get_tuple_element Reg P2 D2=xy | \
#succ(P1, P2) | succ3(D1, D2) => \
#  extract_next_element4 D1 | original_reg Reg P2

%macro: extract_next_element ExtractNextElement -pack
extract_next_element x
extract_next_element y

%macro: extract_next_element2 ExtractNextElement2 -pack
extract_next_element2 x
extract_next_element2 y

%macro: extract_next_element3 ExtractNextElement3 -pack
extract_next_element3 x
extract_next_element3 y

#%macro: extract_next_element4 ExtractNextElement4 -pack
#extract_next_element4 x
#extract_next_element4 y

is_integer Fail=f i =>
is_integer Fail=f an => jump Fail
is_integer Fail Literal=q => move Literal x | is_integer Fail x

is_integer Fail=f S=rx | allocate Need Regs => is_integer_allocate Fail S Need Regs

%macro: is_integer_allocate IsIntegerAllocate -fail_action
is_integer_allocate f x I I
is_integer_allocate f r I I

%macro: is_integer IsInteger -fail_action
is_integer f x
is_integer f y
is_integer f r

is_list Fail=f n =>
is_list Fail Literal=q => move Literal x | is_list Fail x
is_list Fail=f c => jump Fail
%macro: is_list IsList -fail_action
is_list f r
is_list f x
%cold
is_list f y
%hot

is_nonempty_list Fail=f S=rx | allocate Need Rs => is_nonempty_list_allocate Fail S Need Rs

%macro:is_nonempty_list_allocate IsNonemptyListAllocate -fail_action
is_nonempty_list_allocate f x I I
is_nonempty_list_allocate f r I I

is_nonempty_list F=f r | test_heap I1 I2 => is_non_empty_list_test_heap F r I1 I2

%macro: is_non_empty_list_test_heap IsNonemptyListTestHeap -fail_action
is_non_empty_list_test_heap f r I I

%macro: is_nonempty_list IsNonemptyList -fail_action
is_nonempty_list f x
is_nonempty_list f y
is_nonempty_list f r

%macro: is_atom IsAtom -fail_action
is_atom f x
is_atom f r
%cold
is_atom f y
%hot
is_atom Fail=f a =>
is_atom Fail=f niq => jump Fail

%macro: is_float IsFloat -fail_action
is_float f r
is_float f x
%cold
is_float f y
%hot
is_float Fail=f nai => jump Fail
is_float Fail Literal=q => move Literal x | is_float Fail x

is_nil Fail=f n =>
is_nil Fail=f qia => jump Fail

%macro: is_nil IsNil -fail_action
is_nil f x
is_nil f y
is_nil f r

is_binary Fail Literal=q => move Literal x | is_binary Fail x
is_binary Fail=f c => jump Fail
%macro: is_binary IsBinary -fail_action
is_binary f r
is_binary f x
%cold
is_binary f y
%hot

# XXX Deprecated.
is_bitstr Fail Term => is_bitstring Fail Term

is_bitstring Fail Literal=q => move Literal x | is_bitstring Fail x
is_bitstring Fail=f c => jump Fail
%macro: is_bitstring IsBitstring -fail_action
is_bitstring f r
is_bitstring f x
%cold
is_bitstring f y
%hot

is_reference Fail=f cq => jump Fail
%macro: is_reference IsRef -fail_action
is_reference f r
is_reference f x
%cold
is_reference f y
%hot

is_pid Fail=f cq => jump Fail
%macro: is_pid IsPid -fail_action
is_pid f r
is_pid f x
%cold
is_pid f y
%hot

is_port Fail=f cq => jump Fail
%macro: is_port IsPort -fail_action
is_port f r
is_port f x
%cold
is_port f y
%hot

is_boolean Fail=f a==am_true =>
is_boolean Fail=f a==am_false =>
is_boolean Fail=f ac => jump Fail

%cold
%macro: is_boolean IsBoolean -fail_action
is_boolean f r
is_boolean f x
is_boolean f y
%hot

is_function2 Fail=f acq Arity => jump Fail
is_function2 Fail=f Fun a => jump Fail
is_function2 Fail Fun Literal=q => move Literal x | is_function2 Fail Fun x

is_function2 f s s
%macro: is_function2 IsFunction2 -fail_action

# Allocating & initializing.
allocate Need Regs | init Y => allocate_init Need Regs Y
init Y1 | init Y2 => init2 Y1 Y2

%macro: allocate_init AllocateInit -pack
allocate_init t I y

#################################################################
# External function and bif calls.
#################################################################

#
# The BIFs erlang:check_process_code/2 must be called like a function,
# to ensure that c_p->i (program counter) is set correctly (an ordinary
# BIF call doesn't set it).
#

call_ext u==2 Bif=u$bif:erlang:check_process_code/2 => i_call_ext Bif
call_ext_last u==2 Bif=u$bif:erlang:check_process_code/2 D => i_call_ext_last Bif D
call_ext_only u==2 Bif=u$bif:erlang:check_process_code/2 => i_call_ext_only Bif

#
# The BIFs erlang:garbage_collect/0,1 must be called like functions,
# to allow them to invoke the garbage collector. (The stack pointer must
# be saved and p->arity must be zeroed, which is not done on ordinary BIF calls.)
#

call_ext u==0 Bif=u$bif:erlang:garbage_collect/0 => i_call_ext Bif
call_ext_last u==0 Bif=u$bif:erlang:garbage_collect/0 D => i_call_ext_last Bif D
call_ext_only u==0 Bif=u$bif:erlang:garbage_collect/0 => i_call_ext_only Bif

call_ext u==1 Bif=u$bif:erlang:garbage_collect/1 => i_call_ext Bif
call_ext_last u==1 Bif=u$bif:erlang:garbage_collect/1 D => i_call_ext_last Bif D
call_ext_only u==1 Bif=u$bif:erlang:garbage_collect/1 => i_call_ext_only Bif

#
# put/2 and erase/1 must be able to do garbage collection, so we must call
# them like functions.
#

call_ext u==2 Bif=u$bif:erlang:put/2 => i_call_ext Bif
call_ext_last u==2 Bif=u$bif:erlang:put/2 D => i_call_ext_last Bif D
call_ext_only u==2 Bif=u$bif:erlang:put/2 => i_call_ext_only Bif

call_ext u==1 Bif=u$bif:erlang:erase/1 => i_call_ext Bif
call_ext_last u==1 Bif=u$bif:erlang:erase/1 D => i_call_ext_last Bif D
call_ext_only u==1 Bif=u$bif:erlang:erase/1 => i_call_ext_only Bif

#
# The process_info/1,2 BIF should be called like a function, to force
# the emulator to set c_p->current before calling it (a BIF call doesn't
# set it).
#
# In addition, we force the use of a non-tail-recursive call.  This will ensure
# that c_p->cp points into the function making the call.
#

call_ext u==1 Bif=u$bif:erlang:process_info/1 => i_call_ext Bif
call_ext_last u==1 Bif=u$bif:erlang:process_info/1 D => i_call_ext Bif | deallocate_return D
call_ext_only Ar=u==1 Bif=u$bif:erlang:process_info/1 => allocate u Ar | i_call_ext Bif | deallocate_return u

call_ext u==2 Bif=u$bif:erlang:process_info/2 => i_call_ext Bif
call_ext_last u==2 Bif=u$bif:erlang:process_info/2 D => i_call_ext Bif | deallocate_return D
call_ext_only Ar=u==2 Bif=u$bif:erlang:process_info/2 => allocate u Ar | i_call_ext Bif | deallocate_return u

#
# load_nif/2 also needs to know calling function like process_info
#
call_ext u==2 Bif=u$bif:erlang:load_nif/2 => i_call_ext Bif
call_ext_last u==2 Bif=u$bif:erlang:load_nif/2 D => i_call_ext Bif | deallocate_return D
call_ext_only Ar=u==2 Bif=u$bif:erlang:load_nif/2 => allocate u Ar | i_call_ext Bif | deallocate_return u


#
# The apply/2 and apply/3 BIFs are instructions.
#

call_ext u==2 u$func:erlang:apply/2 => i_apply_fun
call_ext_last u==2 u$func:erlang:apply/2 D => i_apply_fun_last D
call_ext_only u==2 u$func:erlang:apply/2 => i_apply_fun_only

call_ext u==3 u$func:erlang:apply/3 => i_apply
call_ext_last u==3 u$func:erlang:apply/3 D => i_apply_last D
call_ext_only u==3 u$func:erlang:apply/3 => i_apply_only

#
# The exit/1 and throw/1 BIFs never execute the instruction following them;
# thus there is no need to generate any return instruction.
#

call_ext_last u==1 Bif=u$bif:erlang:exit/1 D => call_bif1 Bif
call_ext_last u==1 Bif=u$bif:erlang:throw/1 D => call_bif1 Bif

call_ext_only u==1 Bif=u$bif:erlang:exit/1 => call_bif1 Bif
call_ext_only u==1 Bif=u$bif:erlang:throw/1 => call_bif1 Bif

#
# The error/1 and error/2 BIFs never execute the instruction following them;
# thus there is no need to generate any return instruction.
# However, they generate stack backtraces, so if the call instruction
# is call_ext_only/2 instruction, we explicitly do an allocate/2 to store
# the continuation pointer on the stack.
#

call_ext_last u==1 Bif=u$bif:erlang:error/1 D => call_bif1 Bif
call_ext_last u==2 Bif=u$bif:erlang:error/2 D => call_bif2 Bif

call_ext_only Ar=u==1 Bif=u$bif:erlang:error/1 => \
  allocate u Ar | call_bif1 Bif
call_ext_only Ar=u==2 Bif=u$bif:erlang:error/2 => \
  allocate u Ar | call_bif2 Bif

#
# The yield/0 BIF is an instruction
#

call_ext u==0 u$func:erlang:yield/0 => i_yield
call_ext_last u==0 u$func:erlang:yield/0 D => i_yield | deallocate_return D
call_ext_only u==0 u$func:erlang:yield/0 => i_yield | return

#
# The hibernate/3 BIF is an instruction.
#
call_ext u==3 u$func:erlang:hibernate/3 => i_hibernate
call_ext_last u==3 u$func:erlang:hibernate/3 D => i_hibernate
call_ext_only u==3 u$func:erlang:hibernate/3 => i_hibernate

#
# Hybrid memory architecture need special cons and tuple instructions
# that allocate on the message area. These looks like BIFs in the BEAM code.
#

call_ext u==2 u$func:hybrid:cons/2 => i_global_cons
call_ext_last u==2 u$func:hybrid:cons/2 D => i_global_cons | deallocate_return D
call_ext_only Ar=u==2 u$func:hybrid:cons/2 => i_global_cons | return

call_ext u==1 u$func:hybrid:tuple/1 => i_global_tuple
call_ext_last u==1 u$func:hybrid:tuple/1 D => i_global_tuple | deallocate_return D
call_ext_only Ar=u==1 u$func:hybrid:tuple/1 => i_global_tuple | return

call_ext u==1 u$func:hybrid:copy/1 => i_global_copy
call_ext_last u==1 u$func:hybrid:copy/1 D => i_global_copy | deallocate_return D
call_ext_only u==1 Ar=u$func:hybrid:copy/1 => i_global_copy | return

#
# The general case for BIFs that have no special instructions.
# A BIF used in the tail must be followed by a return instruction.
#
# To make trapping and stack backtraces work correctly, we make sure that
# the continuation pointer is always stored on the stack.

call_ext u==0 Bif=u$is_bif => call_bif0 Bif
call_ext u==1 Bif=u$is_bif => call_bif1 Bif
call_ext u==2 Bif=u$is_bif => call_bif2 Bif
call_ext u==3 Bif=$is_bif => call_bif3 Bif

call_ext_last u==0 Bif=u$is_bif D => call_bif0 Bif | deallocate_return D
call_ext_last u==1 Bif=u$is_bif D => call_bif1 Bif | deallocate_return D
call_ext_last u==2 Bif=u$is_bif D => call_bif2 Bif | deallocate_return D
call_ext_last u==3 Bif=u$is_bif D => call_bif3 Bif | deallocate_return D

call_ext_only Ar=u==0 Bif=u$is_bif => \
  allocate u Ar | call_bif0 Bif | deallocate_return u
call_ext_only Ar=u==1 Bif=u$is_bif => \
  allocate u Ar | call_bif1 Bif | deallocate_return u
call_ext_only Ar=u==2 Bif=u$is_bif => \
  allocate u Ar | call_bif2 Bif | deallocate_return u
call_ext_only Ar=u==3 Bif=u$is_bif => \
  allocate u Ar | call_bif3 Bif | deallocate_return u

#
# Any remaining calls are calls to Erlang functions, not BIFs.
# We rename the instructions to internal names.  This is necessary,
# to avoid an end-less loop, because we want to call a few BIFs
# with call instructions.
#

move S=c r | call_ext Ar=u Func=u$is_not_bif => i_move_call_ext S r Func
move S=c r | call_ext_last Ar=u Func=u$is_not_bif D => i_move_call_ext_last Func D S r
move S=c r | call_ext_only Ar=u Func=u$is_not_bif => i_move_call_ext_only Func S r 

call_ext Ar=u Func        => i_call_ext Func
call_ext_last Ar=u Func D => i_call_ext_last Func D
call_ext_only Ar=u Func   => i_call_ext_only Func

i_apply
i_apply_last P
i_apply_only

i_apply_fun
i_apply_fun_last P
i_apply_fun_only

i_hibernate

call_bif0 e
call_bif1 e
call_bif2 e
call_bif3 e

#
# Calls to non-building and guard BIFs.
#

bif0 u$bif:erlang:self/0 Dst=d => self Dst
bif0 u$bif:erlang:node/0 Dst=d => node Dst

bif1 Fail Bif=u$bif:erlang:get/1 Src=s Dst=d => i_get Src Dst

bif2 Jump=j u$bif:erlang:element/2 S1=s S2=s Dst=d => gen_element(Jump, S1, S2, Dst)

bif1 Fail Bif Literal=q Dst => move Literal x | bif1 Fail Bif x Dst
bif1 p Bif S1 Dst => bif1_body Bif S1 Dst

bif1_body Bif Literal=q Dst => move Literal x | bif1_body Bif x Dst

bif2 p Bif S1 S2 Dst => i_fetch S1 S2 | i_bif2_body Bif Dst
bif2 Fail=f Bif S1 S2 Dst => i_fetch S1 S2 | i_bif2 Fail Bif Dst

i_get s d

%macro: self Self
self r
self x
self y

%macro: node Node
node r
node x
%cold
node y
%hot

i_fast_element j I s d
i_element j s s d

bif1 f b s d
bif1_body b s d
i_bif2 f b d
i_bif2_body b d

#
# Internal calls.
#

move S=c r | call Ar P=f => i_move_call S r P
move S=s r | call Ar P=f => move_call S r P

i_move_call c r f

%macro:move_call MoveCall -arg_f -size -nonext
move_call/3

move_call x r f
move_call y r f

move S=c r | call_last Ar P=f D => i_move_call_last P D S r
move S r | call_last Ar P=f D => move_call_last S r P D

i_move_call_last f P c r

%macro:move_call_last MoveCallLast -arg_f -nonext -pack

move_call_last/4
move_call_last x r f Q
move_call_last y r f Q

move S=c r | call_only Ar P=f => i_move_call_only P S r
move S=x r | call_only Ar P=f => move_call_only S r P

i_move_call_only f c r

%macro:move_call_only MoveCallOnly -arg_f -nonext
move_call_only/3

move_call_only x r f

call Ar Func        => i_call Func
call_last Ar Func D => i_call_last Func D
call_only Ar Func   => i_call_only Func

i_call f
i_call_last f P
i_call_only f

i_call_ext e
i_call_ext_last e P
i_call_ext_only e

i_move_call_ext c r e
i_move_call_ext_last e P c r
i_move_call_ext_only e c r

# Fun calls.

call_fun Arity=u | deallocate D | return => i_call_fun_last Arity D
call_fun Arity=u => i_call_fun Arity

i_call_fun I
i_call_fun_last I P

make_fun2 OldIndex=u => gen_make_fun2(OldIndex)

%macro: i_make_fun MakeFun -pack
%cold
i_make_fun I t
%hot

%macro: is_function IsFunction -fail_action
is_function f x
is_function f y
is_function f r
is_function Fail=f c => jump Fail

func_info M=a F=a A=u | label L => gen_func_info(M, F, A, L)

# ================================================================
# New bit syntax matching (R11B).
# ================================================================

%cold
bs_start_match2 Fail=f ica X Y D => jump Fail
bs_start_match2 Fail Bin X Y D => i_bs_start_match2 Bin Fail X Y D
i_bs_start_match2 r f I I d
i_bs_start_match2 x f I I d
i_bs_start_match2 y f I I d

bs_save2 Reg Index => gen_bs_save(Reg, Index)
i_bs_save2 r I
i_bs_save2 x I

bs_restore2 Reg Index => gen_bs_restore(Reg, Index)
i_bs_restore2 r I
i_bs_restore2 x I

# Matching integers
bs_match_string Fail Ms Bits Val => i_bs_match_string Ms Fail Bits Val

i_bs_match_string r f I I
i_bs_match_string x f I I

# Fetching integers from binaries.
bs_get_integer2 Fail=f Ms=rx Live=u Sz=sq Unit=u Flags=u Dst=d => \
			gen_get_integer2(Fail, Ms, Live, Sz, Unit, Flags, Dst)

i_bs_get_integer_small_imm r I f I d
i_bs_get_integer_small_imm x I f I d
i_bs_get_integer_imm r I I f I d
i_bs_get_integer_imm x I I f I d
i_bs_get_integer f I I d
i_bs_get_integer_8 r f d
i_bs_get_integer_8 x f d
i_bs_get_integer_16 r f d
i_bs_get_integer_16 x f d
i_bs_get_integer_32 r f I d
i_bs_get_integer_32 x f I d

# Fetching binaries from binaries.
bs_get_binary2 Fail=f Ms=rx Live=u Sz=sq Unit=u Flags=u Dst=d => \
			gen_get_binary2(Fail, Ms, Live, Sz, Unit, Flags, Dst)

%macro: i_bs_get_binary_imm2 BsGetBinaryImm_2 -fail_action -gen_dest
%macro: i_bs_get_binary2 BsGetBinary_2 -fail_action -gen_dest
%macro: i_bs_get_binary_all2 BsGetBinaryAll_2 -fail_action -gen_dest

i_bs_get_binary_imm2 f r I I I d
i_bs_get_binary_imm2 f x I I I d
i_bs_get_binary2 f r I s I d
i_bs_get_binary2 f x I s I d
i_bs_get_binary_all2 f r I I d
i_bs_get_binary_all2 f x I I d
i_bs_get_binary_all_reuse r f I
i_bs_get_binary_all_reuse x f I

# Fetching float from binaries.
bs_get_float2 Fail=f Ms=rx Live=u Sz=s Unit=u Flags=u Dst=d => \
		gen_get_float2(Fail, Ms, Live, Sz, Unit, Flags, Dst)

bs_get_float2 Fail=f Ms=rx Live=u Sz=q Unit=u Flags=u Dst=d => jump Fail

%macro: i_bs_get_float2 BsGetFloat2 -fail_action -gen_dest
i_bs_get_float2 f r I s I d
i_bs_get_float2 f x I s I d

# Miscellanous

bs_skip_bits2 Fail=f Ms=rx Sz=s Unit=u Flags=u => \
			gen_skip_bits2(Fail, Ms, Sz, Unit, Flags)
bs_skip_bits2 Fail=f Ms=rx Sz=q Unit=u Flags=u => \
			gen_skip_bits2(Fail, Ms, Sz, Unit, Flags)

%macro: i_bs_skip_bits_imm2 BsSkipBitsImm2 -fail_action
i_bs_skip_bits_imm2 f r I
i_bs_skip_bits_imm2 f x I

%macro: i_bs_skip_bits2 BsSkipBits2 -fail_action
i_bs_skip_bits2 f r x I
i_bs_skip_bits2 f r y I
i_bs_skip_bits2 f x x I
i_bs_skip_bits2 f x r I
i_bs_skip_bits2 f x y I

%macro: i_bs_skip_bits_all2 BsSkipBitsAll2 -fail_action
i_bs_skip_bits_all2 f r I
i_bs_skip_bits_all2 f x I 

bs_test_tail2 Fail=f Ms=rx Bits=u==0 => bs_test_zero_tail2 Fail Ms
bs_test_tail2 Fail=f Ms=rx Bits=u => bs_test_tail_imm2 Fail Ms Bits
bs_test_zero_tail2 f r
bs_test_zero_tail2 f x
bs_test_tail_imm2 f r I
bs_test_tail_imm2 f x I

bs_test_unit F Ms Unit=u==8 => bs_test_unit8 F Ms
bs_test_unit f r I
bs_test_unit f x I
bs_test_unit8 f r
bs_test_unit8 f x

bs_context_to_binary r
bs_context_to_binary x
bs_context_to_binary y

#
# Utf8/utf16/utf32 support. (R12B-5)
#
bs_get_utf8 Fail=f Ms=rx u u Dst=d => i_bs_get_utf8 Ms Fail Dst
i_bs_get_utf8 r f d
i_bs_get_utf8 x f d

bs_skip_utf8 Fail=f Ms=rx u u => i_bs_get_utf8 Ms Fail x

bs_get_utf16 Fail=f Ms=rx u Flags=u Dst=d => i_bs_get_utf16 Ms Fail Flags Dst
bs_skip_utf16 Fail=f Ms=rx u Flags=u => i_bs_get_utf16 Ms Fail Flags x

i_bs_get_utf16 r f I d
i_bs_get_utf16 x f I d

bs_get_utf32 Fail=f Ms=rx Live=u Flags=u Dst=d => \
	bs_get_integer2 Fail Ms Live i=32 u=1 Flags Dst | \
	i_fetch Dst Ms | \
	i_bs_validate_unicode_retract Fail
bs_skip_utf32 Fail=f Ms=rx Live=u Flags=u => \
	bs_get_integer2 Fail Ms Live i=32 u=1 Flags x | \
	i_fetch x Ms | \
	i_bs_validate_unicode_retract Fail

i_bs_validate_unicode_retract j
%hot

#
# Constructing binaries
#
%cold

bs_init2 Fail Sz Words Regs Flags Dst | binary_too_big(Sz) => system_limit Fail

bs_init2 Fail Sz=u Words=u==0 Regs Flags Dst | should_gen_heap_bin(Sz) => \
	i_bs_init_heap_bin Sz Regs Dst
bs_init2 Fail Sz=u Words=u==0 Regs Flags Dst => i_bs_init Sz Regs Dst

bs_init2 Fail Sz=u Words Regs Flags Dst | should_gen_heap_bin(Sz) => \
	i_bs_init_heap_bin_heap Sz Words Regs Dst
bs_init2 Fail Sz=u Words Regs Flags Dst => \
   i_bs_init_heap Sz Words Regs Dst

bs_init2 Fail Sz Words=u==0 Regs Flags Dst => \
  i_bs_init_fail Sz Fail Regs Dst
bs_init2 Fail Sz Words Regs Flags Dst => \
  i_fetch Sz r | i_bs_init_fail_heap Words Fail Regs Dst

i_bs_init_fail r j I d
i_bs_init_fail x j I d
i_bs_init_fail y j I d

i_bs_init_fail_heap I j I d

i_bs_init I I d
i_bs_init_heap_bin I I d

i_bs_init_heap I I I d
i_bs_init_heap_bin_heap I I I d


bs_init_bits Fail Sz Words Regs Flags Dst | binary_too_big_bits(Sz) => system_limit Fail

bs_init_bits Fail Sz=u Words=u==0 Regs Flags Dst => i_bs_init_bits Sz Regs Dst
bs_init_bits Fail Sz=u Words Regs Flags Dst =>  i_bs_init_bits_heap Sz Words Regs Dst

bs_init_bits Fail Sz Words=u==0 Regs Flags Dst => \
  i_bs_init_bits_fail Sz Fail Regs Dst
bs_init_bits Fail Sz Words Regs Flags Dst => \
  i_fetch Sz r | i_bs_init_bits_fail_heap Words Fail Regs Dst

i_bs_init_bits_fail r j I d
i_bs_init_bits_fail x j I d
i_bs_init_bits_fail y j I d

i_bs_init_bits_fail_heap I j I d

i_bs_init_bits I I d
i_bs_init_bits_heap I I I d

bs_add Fail S1=i==0 S2 Unit=u==1 D => move S2 D
bs_add Fail S1 S2 Unit D => i_fetch S1 S2 | i_bs_add Fail Unit D

i_bs_add j I d

bs_append Fail Size Extra Live Unit Bin Flags Dst => \
  i_fetch Size Bin | i_bs_append Fail Extra Live Unit Dst

bs_private_append Fail Size Unit Bin Flags Dst => \
  i_fetch Size Bin | i_bs_private_append Fail Unit Dst

bs_init_writable

i_bs_append j I I I d
i_bs_private_append j I d

#
# Storing integers into binaries.
#

bs_put_integer Fail=j Sz=s Unit=u Flags=u Literal=q => \
	move Literal x | bs_put_integer Fail Sz Unit Flags x
bs_put_integer Fail=j Sz=sq Unit=u Flags=u Src=s => \
			gen_put_integer(Fail, Sz, Unit, Flags, Src)

%macro: i_new_bs_put_integer NewBsPutInteger
%macro: i_new_bs_put_integer_imm NewBsPutIntegerImm

i_new_bs_put_integer j s I s
i_new_bs_put_integer_imm j I I s

#
# Utf8/utf16/utf32 support. (R12B-5)
#

bs_utf8_size Fail Literal=q Dst=d => \
	move Literal x | bs_utf8_size Fail x Dst
bs_utf8_size j Src=s Dst=d => i_bs_utf8_size Src Dst

i_bs_utf8_size s d

bs_utf16_size Fail Literal=q Dst=d => \
	move Literal x | bs_utf16_size Fail x Dst
bs_utf16_size j Src=s Dst=d => i_bs_utf16_size Src Dst

i_bs_utf16_size s d

bs_put_utf8 Fail=j Flags=u Literal=q => \
	move Literal x | bs_put_utf8 Fail Flags x
bs_put_utf8 Fail=j u Src=s => i_bs_put_utf8 Fail Src

i_bs_put_utf8 j s

bs_put_utf16 Fail=j Flags=u Literal=q => \
	move Literal x | bs_put_utf16 Fail Flags x
bs_put_utf16 Fail=j Flags=u Src=s => i_bs_put_utf16 Fail Flags Src

i_bs_put_utf16 j I s

bs_put_utf32 Fail=j Flags=u Literal=q => \
	move Literal x | bs_put_utf32 Fail Flags x
bs_put_utf32 Fail=j Flags=u Src=s => \
   i_bs_validate_unicode Fail Src | bs_put_integer Fail i=32 u=1 Flags Src

i_bs_validate_unicode j s

#
# Storing floats into binaries.
#
bs_put_float Fail Sz=q Unit Flags Val => badarg Fail

bs_put_float Fail=j Sz Unit=u Flags=u Literal=q => \
	move Literal x | bs_put_float Fail Sz Unit Flags x

bs_put_float Fail=j Sz=s Unit=u Flags=u Src=s => \
			gen_put_float(Fail, Sz, Unit, Flags, Src)

%macro: i_new_bs_put_float NewBsPutFloat
%macro: i_new_bs_put_float_imm NewBsPutFloatImm

i_new_bs_put_float j s I s
i_new_bs_put_float_imm j I I s

#
# Storing binaries into binaries.
#

bs_put_binary Fail Sz Unit Flags Literal=q => \
 	move Literal x | bs_put_binary Fail Sz Unit Flags x
bs_put_binary Fail=j Sz=s Unit=u Flags=u Src=s => \
			gen_put_binary(Fail, Sz, Unit, Flags, Src)

%macro: i_new_bs_put_binary NewBsPutBinary
i_new_bs_put_binary j s I s

%macro: i_new_bs_put_binary_imm NewBsPutBinaryImm
i_new_bs_put_binary_imm j I s

%macro: i_new_bs_put_binary_all NewBsPutBinaryAll
i_new_bs_put_binary_all j s I

#
# Warning: The i_bs_put_string and i_new_bs_put_string instructions
# are specially treated in the loader.
# Don't change the instruction format unless you change the loader too.
#

bs_put_string I I

%hot

#
# New floating point instructions (R8).
#

fadd p FR1 FR2 FR3 => i_fadd FR1 FR2 FR3
fsub p FR1 FR2 FR3 => i_fsub FR1 FR2 FR3
fmul p FR1 FR2 FR3 => i_fmul FR1 FR2 FR3
fdiv p FR1 FR2 FR3 => i_fdiv FR1 FR2 FR3
fnegate p FR1 FR2 => i_fnegate FR1 FR2

fconv Arg=iqan Dst=l => move Arg x | fconv x Dst

fmove q l
fmove d l
fmove l d

fconv d l

i_fadd l l l
i_fsub l l l
i_fmul l l l
i_fdiv l l l
i_fnegate l l

fclearerror | no_fpe_signals() =>
fcheckerror p | no_fpe_signals() =>
fcheckerror p => i_fcheckerror

i_fcheckerror
fclearerror

#
# New apply instructions in R10B.
#

apply I
apply_last I P

#
# New GCing arithmetic instructions.
#

gc_bif2 Fail I u$bif:erlang:splus/2 S1 S2 Dst=d => i_fetch S1 S2 | i_plus Fail I Dst
gc_bif2 Fail I u$bif:erlang:sminus/2 S1 S2 Dst=d => i_fetch S1 S2 | i_minus Fail I Dst
gc_bif2 Fail I u$bif:erlang:stimes/2 S1 S2 Dst=d => i_fetch S1 S2 | i_times Fail I Dst
gc_bif2 Fail I u$bif:erlang:div/2 S1 S2 Dst=d => i_fetch S1 S2 | i_m_div Fail I Dst

gc_bif2 Fail I u$bif:erlang:intdiv/2 S1 S2 Dst=d => i_fetch S1 S2 | i_int_div Fail I Dst
gc_bif2 Fail I u$bif:erlang:rem/2 S1 S2 Dst=d => i_fetch S1 S2 | i_rem Fail I Dst

gc_bif2 Fail I u$bif:erlang:bsl/2 S1 S2 Dst=d => i_fetch S1 S2 | i_bsl Fail I Dst
gc_bif2 Fail I u$bif:erlang:bsr/2 S1 S2 Dst=d => i_fetch S1 S2 | i_bsr Fail I Dst

gc_bif2 Fail I u$bif:erlang:band/2 S1 S2 Dst=d => i_fetch S1 S2 | i_band Fail I Dst
gc_bif2 Fail I u$bif:erlang:bor/2 S1 S2 Dst=d => i_fetch S1 S2 | i_bor Fail I Dst
gc_bif2 Fail I u$bif:erlang:bxor/2 S1 S2 Dst=d => i_fetch S1 S2 | i_bxor Fail I Dst

gc_bif1 Fail I u$bif:erlang:bnot/1 Src Dst=d => i_int_bnot Fail Src I Dst

gc_bif1 Fail I u$bif:erlang:sminus/1 Src Dst=d => i_fetch i Src | i_minus Fail I Dst
gc_bif1 Fail I u$bif:erlang:splus/1 Src Dst=d => i_fetch i Src | i_plus Fail I Dst

i_plus j I d
i_minus j I d
i_times j I d
i_m_div j I d
i_int_div j I d
i_rem j I d

i_bsl j I d
i_bsr j I d

i_band j I d
i_bor j I d
i_bxor j I d

i_int_bnot j s I d

#
# Old guard BIFs that creates heap fragments are no longer allowed.
#
bif1 Fail u$bif:erlang:length/1 s d => too_old_compiler
bif1 Fail u$bif:erlang:size/1 s d => too_old_compiler
bif1 Fail u$bif:erlang:abs/1 s d => too_old_compiler
bif1 Fail u$bif:erlang:float/1 s d => too_old_compiler
bif1 Fail u$bif:erlang:round/1 s d => too_old_compiler
bif1 Fail u$bif:erlang:trunc/1 s d => too_old_compiler

#
# Guard BIFs.
#
gc_bif1 Fail I Bif=u$bif:erlang:length/1 Src Dst=d => \
	gen_guard_bif1(Fail, I, Bif, Src, Dst)

gc_bif1 Fail I Bif=u$bif:erlang:size/1 Src Dst=d => \
	gen_guard_bif1(Fail, I, Bif, Src, Dst)

gc_bif1 Fail I Bif=u$bif:erlang:bit_size/1 Src Dst=d => \
	gen_guard_bif1(Fail, I, Bif, Src, Dst)

gc_bif1 Fail I Bif=u$bif:erlang:byte_size/1 Src Dst=d => \
	gen_guard_bif1(Fail, I, Bif, Src, Dst)

gc_bif1 Fail I Bif=u$bif:erlang:abs/1 Src Dst=d => \
	gen_guard_bif1(Fail, I, Bif, Src, Dst)

gc_bif1 Fail I Bif=u$bif:erlang:float/1 Src Dst=d => \
	gen_guard_bif1(Fail, I, Bif, Src, Dst)

gc_bif1 Fail I Bif=u$bif:erlang:round/1 Src Dst=d => \
	gen_guard_bif1(Fail, I, Bif, Src, Dst)

gc_bif1 Fail I Bif=u$bif:erlang:trunc/1 Src Dst=d => \
	gen_guard_bif1(Fail, I, Bif, Src, Dst)

gc_bif2 Fail I Bif=u$bif:erlang:binary_part/2 S1 S2 Dst=d => \
	gen_guard_bif2(Fail, I, Bif, S1, S2, Dst)

gc_bif3 Fail I Bif=u$bif:erlang:binary_part/3 S1 S2 S3 Dst=d => \
	gen_guard_bif3(Fail, I, Bif, S1, S2, S3, Dst)

i_gc_bif1 Fail Bif V=q Live D => move V x | i_gc_bif1 Fail Bif x Live D

i_gc_bif1 j I s I d

ii_gc_bif2/6

ii_gc_bif2 Fail Bif S1 S2 Live D => i_fetch S1 S2 | i_gc_bif2 Fail Bif Live D

i_gc_bif2 j I I d

ii_gc_bif3/7

ii_gc_bif3 Fail Bif S1 S2 S3 Live D => move S1 x | i_fetch S2 S3 | i_gc_bif3 Fail Bif x Live D

i_gc_bif3 j I s I d
#
# R13B03
#
on_load

#
# R14A.
#
recv_mark f

recv_set Fail | label Lbl | loop_rec Lf Reg => \
   i_recv_set | label Lbl | loop_rec Lf Reg
i_recv_set