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
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
|
;
; Copyright (C) 2000, 2001, 2002, 2004 Free Software Foundation, Inc.
; Contributed by Red Hat, Inc and Ubicom, Inc.
;
; This file is part of GCC.
;
; GCC is free software; you can redistribute it and/or modify
; it under the terms of the GNU General Public License as published by
; the Free Software Foundation; either version 2, or (at your option)
; any later version.
;
; In addition to the permissions in the GNU General Public License, the
; Free Software Foundation gives you unlimited permission to link the
; compiled version of this file with other programs, and to distribute
; those programs without any restriction coming from the use of this
; file. (The General Public License restrictions do apply in other
; respects; for example, they cover modification of the file, and
; distribution when not linked into another program.)
;
; GCC is distributed in the hope that it will be useful,
; but WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
; GNU General Public License for more details.
;
; You should have received a copy of the GNU General Public License
; along with GCC; see the file COPYING. If not, write to
; the Free Software Foundation, 59 Temple Place - Suite 330,
; Boston, MA 02111-1307, USA. */
/*******************************************************
load byte from arbitrary memory
address passed in first bank register, result in W
*******************************************************/
.macro movb to, from
mov w, \from
mov \to, w
.endm
#if defined (L_indcall)
/* __indcall - given register containing an address, call the function
* at that address.
*/
.sect .pram.libgcc,"ax"
.global __indcall
.func _indcall,__indcall
__indcall:
page 1f
call 1f
1: pop callh ; Get the call target
pop calll
ret ; Transfer to new function
.endfunc
#endif
#if defined (L_mulhi3)
.sect .pram.libgcc,"ax"
.global __mulhi3
.func _mulhi3, __mulhi3
__mulhi3:
mov w, 2(SP) ; First upper half partial product
mulu w, 3(SP)
mov 3(SP), w
mov w, 1(SP) ; Second upper half partial product
mulu w, 4(SP)
add 3(SP), w
mov w, 2(SP) ; Lower half partial product
mulu w, 4(SP)
mov 4(SP), w
mov w, MULH
add 3(SP), w
mov w, #2 ; Adjust the stack leaving the result to
add spl, w ; be popped off later.
ret
.endfunc
#endif /* defined (L_mulhi3) */
#if defined (L_mulsi3)
/*******************************************************
Multiplication 32 x 32
*******************************************************/
.sect .text.libgcc,"ax"
.global __mulsi3
.func _mulsi3, __mulsi3
__mulsi3:
clr $80 ; Assume zero result
clr $81
clr $82
clr $83
2: mov w, 1(sp)
or w, 2(sp)
or w, 3(sp)
or w, 4(sp)
snz ; Any more significant bits to multiply?
page 3f
jmp 3f
sb 4(sp), 0 ; Check LSB of multiplier
page 1f ; zero => scale multiplicand & multiplier
jmp 1f
mov w, 8(sp) ; Accumulate product
add $83, w
mov w, 7(sp)
addc $82, w
mov w, 6(sp)
addc $81, w
mov w, 5(sp)
addc $80, w
1: clrb status, 0 ; scale multiplier down
rr 1(sp)
rr 2(sp)
rr 3(sp)
rr 4(sp)
clrb status, 0
rl 8(sp)
rl 7(sp)
rl 6(sp)
rl 5(sp)
page 2b
jmp 2b
3: mov w, #8
add spl ,w
ret
.endfunc
#endif /* defined (L_mulsi3) */
#if defined (L_muldi3)
/*******************************************************
Multiplication 64 x 64
*******************************************************/
.sect .text.libgcc,"ax"
.global __muldi3
.func _muldi3, __muldi3
__muldi3:
clr $80 ; Assume zero result
clr $81
clr $82
clr $83
clr $84
clr $85
clr $86
clr $87
2: mov w, 1(sp)
or w, 2(sp)
or w, 3(sp)
or w, 4(sp)
or w, 5(sp)
or w, 6(sp)
or w, 7(sp)
or w, 8(sp)
snz ; Any more significant bits to multiply?
page 3f
jmp 3f
sb 8(sp), 0 ; Check LSB of multiplier
page 1f ; zero => scale multiplicand & multiplier
jmp 1f
mov w, 16(sp) ; Accumulate product
add $87, w
mov w, 15(sp)
addc $86, w
mov w, 14(sp)
addc $85, w
mov w, 13(sp)
addc $84, w
mov w, 12(sp)
addc $83, w
mov w, 11(sp)
addc $82, w
mov w, 10(sp)
addc $81, w
mov w, 9(sp)
addc $80, w
1: clrb status, 0 ; scale multiplier down
rr 1(sp)
rr 2(sp)
rr 3(sp)
rr 4(sp)
rr 5(sp)
rr 6(sp)
rr 7(sp)
rr 8(sp)
clrb status, 0
rl 16(sp)
rl 15(sp)
rl 14(sp)
rl 13(sp)
rl 12(sp)
rl 11(sp)
rl 10(sp)
rl 9(sp)
page 2b
jmp 2b
3: mov w, #16
add spl, w
ret
.endfunc
#endif /* defined (L_muldi3) */
#if defined (L_divmodhi4)
#define arg1h 1(SP)
#define arg1l 2(SP)
#define arg2h 3(SP)
#define arg2l 4(SP)
#define resl $81
#define resh $80
#define reml $83
#define remh $82
#define tmp_var $84
#define cnt $85
#define arg1_sign $86
#define res_sign $87
.sect .text.libgcc,"ax"
.global __divmodhi4
.func _divmodhi4, __divmodhi4
__divmodhi4:
mov w,arg2h
mov res_sign,w
mov w,arg1h
mov arg1_sign,w
xor res_sign,w
sb arg1h,7
page 1f
jmp 1f
not arg1h
not arg1l
incsnz arg1l
inc arg1h
1: sb arg2h, 7
page 1f
jmp 1f
not arg2h
not arg2l
incsnz arg2l
inc arg2h
1: page __udivmodhi4 ; Do the unsigned div/mod
call __udivmodhi4
sb arg1_sign, 7
page 1f
jmp 1f
not reml
not remh
incsnz reml
inc remh
1: sb res_sign, 7
ret
not resl
not resh
incsnz resl
inc resh
ret
.endfunc
#undef arg1h
#undef arg1l
#undef arg2h
#undef arg2l
#undef resl
#undef resh
#undef reml
#undef remh
#undef tmp_var
#undef cnt
#undef arg1_sign
#undef res_sign
#endif /* defined (L_divmodhi4) */
#if defined (L_udivmodhi4)
#define arg1h 1(SP)
#define arg1l 2(SP)
#define arg2h 3(SP)
#define arg2l 4(SP)
#define resl $81
#define resh $80
#define reml $83
#define remh $82
#define tmp_var $84
#define cnt $85
.sect .text.libgcc,"ax"
.global __udivmodhi4
.func _udivmodhi4, __udivmodhi4
__udivmodhi4:
clr reml
clr remh
mov w, #17
mov cnt,w
clrb status, 0
page 1f
jmp 1f
2: rl reml
rl remh
mov w, arg2l
sub w, reml
mov tmp_var, w
mov w, arg2h
subc w, remh
sc
page 1f
jmp 1f
mov remh, w
mov w, tmp_var
mov reml, w
1: rl arg1l
rl arg1h
decsz cnt
page 2b
jmp 2b
pop resh
pop resl
mov w, #2
add spl, w
ret
.endfunc
#undef arg1h
#undef arg1l
#undef arg2h
#undef arg2l
#undef resl
#undef resh
#undef reml
#undef remh
#undef tmp_var
#undef cnt
#endif /* defined (L_udivmodhi4) */
#if defined (L_divmodsi4)
#define arg1a 1(SP)
#define arg1b 2(SP)
#define arg1c 3(SP)
#define arg1d 4(SP)
#define arg2a 5(SP)
#define arg2b 6(SP)
#define arg2c 7(SP)
#define arg2d 8(SP)
#define resa $80
#define resb $81
#define resc $82
#define resd $83
#define rema $84
#define remb $85
#define remc $86
#define remd $87
#define tmp_var $88
#define tmp_var1 $89
#define tmp_var2 $8a
#define cnt $8b
#define arg1_sign $8c
#define res_sign $8d
.sect .text.libgcc,"ax"
.global __divmodsi4
.func _divmodsi4, __divmodsi4
__divmodsi4:
mov w, arg2a
mov res_sign, w
mov w, arg1a
mov arg1_sign, w
xor res_sign, w
sb arg1a, 7
page 1f
jmp 1f
not arg1d
not arg1c
not arg1b
not arg1a
incsnz arg1d
incsz arg1c
page 1f
jmp 1f
incsnz arg1b
inc arg1a
1: sb arg2a, 7
page 1f
jmp 1f
not arg2d
not arg2c
not arg2b
not arg2a
incsnz arg2d
incsz arg2c
page 1f
jmp 1f
incsnz arg2b
inc arg2a
1: page __udivmodsi4 ; Do the unsigned div/mod.
call __udivmodsi4
sb arg1_sign, 7
page 1f
jmp 1f
not remd
not remc
not remb
not rema
incsnz remd
incsz remc
page 1f
jmp 1f
incsnz remb
inc rema
1: sb res_sign, 7
ret
not resd
not resc
not resb
not resa
incsnz resd
incsz resc
ret
incsnz resb
inc resa
ret
.endfunc
#undef arg1a
#undef arg1b
#undef arg1c
#undef arg1d
#undef arg2a
#undef arg2b
#undef arg2c
#undef arg2d
#undef resa
#undef resb
#undef resc
#undef resd
#undef rema
#undef remb
#undef remc
#undef remd
#undef tmp_var
#undef tmp_var1
#undef tmp_var2
#undef cnt
#undef arg1_sign
#undef res_sign
#endif /* defined (L_divmodsi4) */
#if defined (L_udivmodsi4)
#define arg1a 1(SP)
#define arg1b 2(SP)
#define arg1c 3(SP)
#define arg1d 4(SP)
#define arg2a 5(SP)
#define arg2b 6(SP)
#define arg2c 7(SP)
#define arg2d 8(SP)
#define resa $80
#define resb $81
#define resc $82
#define resd $83
#define rema $84
#define remb $85
#define remc $86
#define remd $87
#define tmp_var $88
#define tmp_var1 $89
#define tmp_var2 $8a
#define cnt $8b
.sect .text.libgcc,"ax"
.global __udivmodsi4
.func _udivmodsi4, __udivmodsi4
__udivmodsi4:
clr remd
clr remc
clr remb
clr rema
mov w, #33
mov cnt, w
clrb status, 0
page 1f
jmp 1f
2: rl remd
rl remc
rl remb
rl rema
mov w, arg2d
sub w, remd
mov tmp_var, w
mov w, arg2c
subc w, remc
mov tmp_var1, w
mov w, arg2b
subc w, remb
mov tmp_var2, w
mov w, arg2a
subc w, rema
sc
page 1f
jmp 1f
mov rema, w
mov w, tmp_var2
mov remb, w
mov w, tmp_var1
mov remc, w
mov w, tmp_var
mov remd, w
1: rl arg1d
rl arg1c
rl arg1b
rl arg1a
decsz cnt
page 2b
jmp 2b
pop resa
pop resb
pop resc
pop resd
mov w, #4
add spl, w
ret
.endfunc
#undef arg1a
#undef arg1b
#undef arg1c
#undef arg1d
#undef arg2a
#undef arg2b
#undef arg2c
#undef arg2d
#undef resa
#undef resb
#undef resc
#undef resd
#undef rema
#undef remb
#undef remc
#undef remd
#undef tmp_var
#undef tmp_var1
#undef tmp_var2
#undef cnt
#endif /* defined (L_udivmodsi4) */
#if defined (L_divmoddi4)
#define arg1s 1(SP)
#define arg1t 2(SP)
#define arg1u 3(SP)
#define arg1v 4(SP)
#define arg1w 5(SP)
#define arg1x 6(SP)
#define arg1y 7(SP)
#define arg1z 8(SP)
#define arg2s 9(SP)
#define arg2t 10(SP)
#define arg2u 11(SP)
#define arg2v 12(SP)
#define arg2w 13(SP)
#define arg2x 14(SP)
#define arg2y 15(SP)
#define arg2z 16(SP)
#define ress $80
#define rest $81
#define resu $82
#define resv $83
#define resw $84
#define resx $85
#define resy $86
#define resz $87
#define rems $88
#define remt $89
#define remu $8a
#define remv $8b
#define remw $8c
#define remx $8d
#define remy $8e
#define remz $8f
#define tmp_var $90
#define tmp_var1 $91
#define tmp_var2 $92
#define tmp_var3 $93
#define tmp_var4 $94
#define tmp_var5 $95
#define tmp_var6 $96
#define cnt $97
.sect .text.libgcc,"ax"
.global __divmoddi4
.func _divmoddi4, __divmoddi4
__divmoddi4:
rl w, arg2s ; Use MULH to track sign bits.
rl MULH
rl w, arg1s
rl WREG
xor MULH, w
rl w, arg1s
rl MULH
sb arg1s, 7
page 1f
jmp 1f
not arg1s
not arg1t
not arg1u
not arg1v
not arg1w
not arg1x
not arg1y
not arg1z
incsnz arg1z
incsz arg1y
page 1f
jmp 1f
incsnz arg1x
incsz arg1w
page 1f
jmp 1f
incsnz arg1v
incsz arg1u
page 1f
jmp 1f
incsnz arg1t
inc arg1s
1: sb arg2s, 7
page 1f
jmp 1f
not arg2s
not arg2t
not arg2u
not arg2v
not arg2w
not arg2x
not arg2y
not arg2z
incsnz arg2z
incsz arg2y
page 1f
jmp 1f
incsnz arg2x
incsz arg2w
page 1f
jmp 1f
incsnz arg2v
incsz arg2u
page 1f
jmp 1f
incsnz arg2t
inc arg2s
1: page __udivmoddi4 ; Do the unsigned div/mod.
call __udivmoddi4
sb MULH, 0 ; Look at the save sign bit for arg 1.
page 1f
jmp 1f
not rems
not remt
not remu
not remv
not remw
not remx
not remy
not remz
incsnz remz
incsz remy
page 1f
jmp 1f
incsnz remx
incsz remw
page 1f
jmp 1f
incsnz remv
incsz remu
page 1f
jmp 1f
incsnz remt
inc rems
1: sb MULH, 1
ret
not ress
not rest
not resu
not resv
not resw
not resx
not resy
not resz
incsnz resz
incsz resy
ret
incsnz resx
incsz resw
ret
incsnz resv
incsz resu
ret
incsnz rest
inc ress
ret
.endfunc
#undef arg1s
#undef arg1t
#undef arg1u
#undef arg1v
#undef arg1w
#undef arg1x
#undef arg1y
#undef arg1z
#undef arg2s
#undef arg2t
#undef arg2u
#undef arg2v
#undef arg2w
#undef arg2x
#undef arg2y
#undef arg2z
#undef ress
#undef rest
#undef resu
#undef resv
#undef resw
#undef resx
#undef resy
#undef resz
#undef rems
#undef remt
#undef remu
#undef remv
#undef remw
#undef remx
#undef remy
#undef remz
#undef tmp_var
#undef tmp_var1
#undef tmp_var2
#undef tmp_var3
#undef tmp_var4
#undef tmp_var5
#undef tmp_var6
#undef cnt
#endif /* defined (L_divmoddi4) */
#if defined (L_udivmoddi4)
#define arg1s 1(SP)
#define arg1t 2(SP)
#define arg1u 3(SP)
#define arg1v 4(SP)
#define arg1w 5(SP)
#define arg1x 6(SP)
#define arg1y 7(SP)
#define arg1z 8(SP)
#define arg2s 9(SP)
#define arg2t 10(SP)
#define arg2u 11(SP)
#define arg2v 12(SP)
#define arg2w 13(SP)
#define arg2x 14(SP)
#define arg2y 15(SP)
#define arg2z 16(SP)
#define ress $80
#define rest $81
#define resu $82
#define resv $83
#define resw $84
#define resx $85
#define resy $86
#define resz $87
#define rems $88
#define remt $89
#define remu $8a
#define remv $8b
#define remw $8c
#define remx $8d
#define remy $8e
#define remz $8f
#define tmp_var $90
#define tmp_var1 $91
#define tmp_var2 $92
#define tmp_var3 $93
#define tmp_var4 $94
#define tmp_var5 $95
#define tmp_var6 $96
#define cnt $97
.sect .text.libgcc,"ax"
.global __udivmoddi4
.func _udivmoddi4, __udivmoddi4
__udivmoddi4:
clr rems
clr remt
clr remu
clr remv
clr remw
clr remx
clr remy
clr remz
mov w, #65
mov cnt, w
clrb status, 0
page 1f
jmp 1f
2: rl remz
rl remy
rl remx
rl remw
rl remv
rl remu
rl remt
rl rems
mov w, arg2z
sub w, remz
mov tmp_var, w
mov w, arg2y
subc w, remy
mov tmp_var1, w
mov w, arg2x
subc w, remx
mov tmp_var2, w
mov w, arg2w
subc w, remw
mov tmp_var3, w
mov w, arg2v
subc w, remv
mov tmp_var4, w
mov w, arg2u
subc w, remu
mov tmp_var5, w
mov w, arg2t
subc w, remt
mov tmp_var6, w
mov w, arg2s
subc w, rems
sc
page 1f
jmp 1f
mov rems, w
mov w, tmp_var6
mov remt, w
mov w, tmp_var5
mov remu, w
mov w, tmp_var4
mov remv, w
mov w, tmp_var3
mov remw, w
mov w, tmp_var2
mov remx, w
mov w, tmp_var1
mov remy, w
mov w, tmp_var
mov remz, w
1: rl arg1z
rl arg1y
rl arg1x
rl arg1w
rl arg1v
rl arg1u
rl arg1t
rl arg1s
decsz cnt
page 2b
jmp 2b
pop ress
pop rest
pop resu
pop resv
pop resw
pop resx
pop resy
pop resz
mov w, #8
add spl, w
ret
.endfunc
#undef arg1s
#undef arg1t
#undef arg1u
#undef arg1v
#undef arg1w
#undef arg1x
#undef arg1y
#undef arg1z
#undef arg2s
#undef arg2t
#undef arg2u
#undef arg2v
#undef arg2w
#undef arg2x
#undef arg2y
#undef arg2z
#undef ress
#undef rest
#undef resu
#undef resv
#undef resw
#undef resx
#undef resy
#undef resz
#undef rems
#undef remt
#undef remu
#undef remv
#undef remw
#undef remx
#undef remy
#undef remz
#undef tmp_var
#undef tmp_var1
#undef tmp_var2
#undef tmp_var3
#undef tmp_var4
#undef tmp_var5
#undef tmp_var6
#undef cnt
#endif /* defined (L_udivmoddi4) */
#define LT #0
#define EQ #1
#define GT #2
#if defined(L_cmphi2)
#define arg1l 2(sp)
#define arg1h 1(sp)
#define arg2l 4(sp)
#define arg2h 3(sp)
.sect .text.libgcc,"ax"
.global __cmphi2
.global __cmp_ret
.global __cmpqi_ret
.func _cmphi2, __cmphi2
__cmphi2:
mov w,arg1l
sub w,arg2l
snz
page 2f
jmp 2f
mov w,arg1h
1:
subc w,arg2h
clr arg2l
rl arg2l
snb arg1h,7
setb arg2l,2
snb arg2h,7
setb arg2l,1
mov w,#3
__cmp_ret:
add spl,w ; sign1
pop wreg ; sign2
__cmpqi_ret:
add pcl,w ; carry of arg1 - arg2
retw GT ; [000] arg1 > arg2
retw LT ; [001] arg1 < arg2
retw GT ; [010] arg1 > arg2
retw GT ; [011] arg1 > arg2
retw LT ; [100] arg1 < arg2
retw LT ; [101] arg1 < arg2
retw GT ; [110] arg1 > arg2
retw LT ; [111] arg1 < arg2
2:
mov w,arg1h
cse w,arg2h
page 1b
jmp 1b
mov w,#4
add spl,w
retw EQ
.endfunc
#undef arg1l
#undef arg1h
#undef arg2l
#undef arg2h
#endif /* L_cmphi2 */
#if defined(L_cmpqi2)
#define arg1 1(sp)
#define arg2 2(sp)
.sect .text.libgcc,"ax"
.global __cmpqi2
.func _cmpqi2, __cmpqi2
__cmpqi2:
mov w, arg1
sub w, arg2
snz
page 2f
jmp 2f
clr wreg
rl wreg
snb arg1, 7
setb wreg, 2
snb arg2, 7
setb wreg, 1
inc spl
inc spl
page __cmpqi_ret
jmp __cmpqi_ret
2: mov w, #2
add spl, w
retw EQ
.endfunc
#undef arg1l
#undef arg2l
#endif /* L_cmpqi2 */
#if defined(L_cmpsi2)
#define arg1d 4(sp)
#define arg1c 3(sp)
#define arg1b 2(sp)
#define arg1a 1(sp)
#define arg2d 8(sp)
#define arg2c 7(sp)
#define arg2b 6(sp)
#define arg2a 5(sp)
.sect .text.libgcc,"ax"
.global __cmpsi2
.func _cmpsi2, __cmpsi2
__cmpsi2:
mov w, arg1d
sub w, arg2d
snz
page 2f
jmp 2f
1: mov w, arg1c
subc w, arg2c
mov w, arg1b
subc w, arg2b
mov w, arg1a
subc w, arg2a
clr arg2d
rl arg2d
snb arg1a, 7
setb arg2d, 2
snb arg2a, 7
setb arg2d, 1
mov w, #7
page __cmp_ret
jmp __cmp_ret
2: mov w, arg1c
cse w, arg2c
page 1b
jmp 1b
mov w, arg1b
cse w, arg2b
page 1b
jmp 1b
mov w, arg1a
cse w, arg2a
page 1b
jmp 1b
mov w, #8
add spl, w
retw EQ
.endfunc
#undef arg1d
#undef arg1c
#undef arg1b
#undef arg1a
#undef arg2d
#undef arg2c
#undef arg2b
#undef arg2a
#endif /* L_cmpsi2 */
#if defined(L_cmpdi2)
#define arg1z 8(sp)
#define arg1y 7(sp)
#define arg1x 6(sp)
#define arg1w 5(sp)
#define arg1v 4(sp)
#define arg1u 3(sp)
#define arg1t 2(sp)
#define arg1s 1(sp)
#define arg2z 16(sp)
#define arg2y 15(sp)
#define arg2x 14(sp)
#define arg2w 13(sp)
#define arg2v 12(sp)
#define arg2u 11(sp)
#define arg2t 10(sp)
#define arg2s 9(sp)
.sect .text.libgcc,"ax"
.global __cmpdi2
.func _cmpdi2, __cmpdi2
__cmpdi2:
mov w, arg1z
sub w, arg2z
snz
page 2f
jmp 2f
1: mov w, arg1y
subc w, arg2y
mov w, arg1x
subc w, arg2x
mov w, arg1w
subc w, arg2w
mov w, arg1v
subc w, arg2v
mov w, arg1u
subc w, arg2u
mov w, arg1t
subc w, arg2t
mov w, arg1s
subc w, arg2s
clr arg2z
rl arg2z
snb arg1s, 7
setb arg2z, 2
snb arg2s, 7
setb arg2z, 1
mov w, #15
page __cmp_ret
jmp __cmp_ret
2: mov w, arg1y
cse w, arg2y
page 1b
jmp 1b
mov w, arg1x
cse w, arg2x
page 1b
jmp 1b
mov w, arg1w
cse w, arg2w
page 1b
jmp 1b
mov w, arg1v
cse w, arg2v
page 1b
jmp 1b
mov w, arg1u
cse w, arg2u
page 1b
jmp 1b
mov w, arg1t
cse w, arg2t
page 1b
jmp 1b
mov w, arg1s
cse w, arg2s
page 1b
jmp 1b
mov w, #16
add spl, w
retw EQ
.endfunc
#undef arg1z
#undef arg1y
#undef arg1x
#undef arg1w
#undef arg1v
#undef arg1u
#undef arg1t
#undef arg1s
#undef arg2z
#undef arg2y
#undef arg2x
#undef arg2w
#undef arg2v
#undef arg2u
#undef arg2t
#undef arg2s
#endif /* L_cmpdi2 */
#if defined(L_cmpdi2_dp)
.sect .text.libgcc,"ax"
.global __cmpdi2_dp
.func _cmpdi2_dp, __cmpdi2_dp
__cmpdi2_dp:
push 7(dp)
push 6(dp)
push 5(dp)
push 4(dp)
push 3(dp)
push 2(dp)
push 1(dp)
push (dp)
page __cmpdi2
jmp __cmpdi2
.endfunc
#endif /* L_cmpdi2_dp */
#if defined(L_fp_pop_args_ret)
.sect .pram.libgcc,"ax"
.global __fp_pop_args_ret
.global __pop_args_ret
.global __pop2_args_ret
.func __fp_pop2_args_ret, __fp_pop2_args_ret
__fp_pop2_args_ret:
mov w, #2
__fp_pop_args_ret:
pop 0xfd
pop 0xfe
__pop_args_ret:
pop callh
pop calll
add spl, w
ret
.endfunc
#endif /* L_fp_pop_args_ret */
#if defined(L__pop2_args_ret)
.sect .pram.libgcc,"ax"
.global __pop2_args_ret
.func __pop2_args_ret, __pop2_args_ret
__pop2_args_ret:
mov w, #2
pop callh
pop calll
add spl, w
ret
.endfunc
#endif /* L__pop2_args_ret */
#if defined(L_leaf_fp_pop_args_ret)
.sect .pram.libgcc,"ax"
.global __leaf_fp_pop_args_ret, __leaf_fp_pop2_args_ret
.func __leaf_fp2_pop_args_ret, __leaf_fp_pop2_args_ret
__leaf_fp_pop2_args_ret:
mov w, #2
__leaf_fp_pop_args_ret:
pop 0xfd
pop 0xfe
add spl, w
ret
.endfunc
#endif /* L_leaf_fp_pop_args_ret */
#if defined(L_movmemhi_countqi)
.sect .pram.libgcc,"ax"
.global __movmemhi_countqi
.func _movmemhi_countqi, __movmemhi_countqi
__movmemhi_countqi:
push dph ; Save our pointer regs
push dpl
push iph
push ipl
mov w, 5(SP) ; Get our dest pointer
mov dph, w
mov w, 6(SP)
mov dpl, w
mov w, 7(SP) ; And our source pointer
mov iph, w
mov w, 8(SP)
mov ipl, w
1: push (IP) ; *dest++ = *src++
pop 0(DP)
inc ipl
inc dpl
decsz 9(SP) ; Loop until completed
page 1b
jmp 1b
pop ipl ; Restore our pointer regs
pop iph
pop dpl
pop dph
mov w, #5 ; Tidy up our stack args
add spl, w
ret
.endfunc
#endif
#if defined(L_movmemhi_counthi)
.sect .text.libgcc,"ax"
.global __movmemhi_counthi
.func _movmemhi_counthi, __movmemhi_counthi
__movmemhi_counthi:
push dph ; Save our pointer regs
push dpl
push iph
push ipl
mov w, 5(SP) ; Get our dest pointer
mov dph, w
mov w, 6(SP)
mov dpl, w
mov w, 7(SP) ; And our source pointer
mov iph, w
mov w, 8(SP)
mov ipl, w
test 10(SP) ; If we have a nonzero LSB then adjust the
sz ; MSB of the loop count to allow us to use
inc 9(SP) ; skip tricks!
1: push (IP) ; *dest++ = *src++
pop 0(DP)
inc ipl
inc dpl
decsnz 10(SP) ; Loop until completed - note the skip trick
decsz 9(SP) ; on the MSB!
page 1b
jmp 1b
pop ipl ; Restore our pointer regs
pop iph
pop dpl
pop dph
mov w, #6 ; Tidy up our stacked args.
add spl, w
ret
.endfunc
#endif
#if defined(L_exit)
.sect .text.libgcc,"ax"
.global __exit
.global _exit
.func _exit, __exit
.weak __exit
.weak _exit
_exit:
__exit:
pop $88
pop wreg
or w, $88
push wreg
push #0
push #1
system ; Exit wreg
page __exit ; Never return
jmp __exit
.endfunc
#endif
#if defined(Labort)
.sect .text.libgcc,"ax"
.global _abort
.func abort, _abort
_abort:
push #1
push #0
push #1
system ; Exit 1
ret
.endfunc
#endif
#if defined(Lwrite)
/* Dummy entrypoint to suppress problems with glue code. */
.sect .text.libgcc,"ax"
.global _write
.func write, _write
;;
;; write (fil,buf,len) - say that write succeeds....
;;
_write:
movb $80, 5(SP)
movb $81, 6(SP) ; Return length written
mov w, #6
add spl, w
ret
.endfunc
#endif
|