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
|
/* Tests the multiply instructions.
Copyright (C) 2017-2018 Free Software Foundation, Inc.
This program 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 3 of the License, or
(at your option) any later version.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */
# mach: or1k
# output: report(0x00000002);\n
# output: report(0x00000003);\n
# output: report(0x00000006);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x00008001);\n
# output: report(0x0000fffe);\n
# output: report(0x7ffffffe);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x00008000);\n
# output: report(0x00010000);\n
# output: report(0x80000000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x00010000);\n
# output: report(0x00010000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xfffffffe);\n
# output: report(0xfffffffd);\n
# output: report(0x00000006);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xffff7fff);\n
# output: report(0xffff0002);\n
# output: report(0x7ffffffe);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xffff7fff);\n
# output: report(0xffff0000);\n
# output: report(0x80010000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xffff0000);\n
# output: report(0xfffeffff);\n
# output: report(0x00010000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x00000002);\n
# output: report(0xfffffffd);\n
# output: report(0xfffffffa);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xffff8000);\n
# output: report(0x00010000);\n
# output: report(0x80000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xffff7fff);\n
# output: report(0x00010000);\n
# output: report(0x7fff0000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x80000000);\n
# output: report(0x00000001);\n
# output: report(0x80000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x00008000);\n
# output: report(0x00010000);\n
# output: report(0x80000000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000001);\n
# output: \n
# output: report(0x00000002);\n
# output: report(0xfffffffd);\n
# output: report(0xfffffffa);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xffff7fff);\n
# output: report(0xffff0000);\n
# output: report(0x80010000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000001);\n
# output: \n
# output: report(0x00000002);\n
# output: report(0x00000003);\n
# output: report(0x00000006);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x00010002);\n
# output: report(0x00007fff);\n
# output: report(0x7ffffffe);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x00020000);\n
# output: report(0x00004000);\n
# output: report(0x80000000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x00040000);\n
# output: report(0x00004000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xfffffffe);\n
# output: report(0x0000fffd);\n
# output: report(0x00000006);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xfffefffe);\n
# output: report(0x00008001);\n
# output: report(0x7ffffffe);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xfffe0000);\n
# output: report(0x0000bfff);\n
# output: report(0x80020000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xfffdfffe);\n
# output: report(0x00008000);\n
# output: report(0x00010000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x00000002);\n
# output: report(0x0000fffd);\n
# output: report(0xfffffffa);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x00010000);\n
# output: report(0x00008000);\n
# output: report(0x80000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xfffdfffc);\n
# output: report(0x00004000);\n
# output: report(0x7fff0000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x80000000);\n
# output: report(0x00000001);\n
# output: report(0x80000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x00020000);\n
# output: report(0x00004000);\n
# output: report(0x80000000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000001);\n
# output: \n
# output: report(0xfffffffe);\n
# output: report(0x0000fffd);\n
# output: report(0x00000006);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xfffdfffe);\n
# output: report(0x00008000);\n
# output: report(0x00010000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000001);\n
# output: \n
# output: report(0x00000002);\n
# output: report(0x00000003);\n
# output: report(0x00000006);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x00008001);\n
# output: report(0x0000fffe);\n
# output: report(0x7ffffffe);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x00008000);\n
# output: report(0x00010000);\n
# output: report(0x80000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x00010000);\n
# output: report(0x00010000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xfffffffe);\n
# output: report(0xfffffffd);\n
# output: report(0x00000006);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xffff7fff);\n
# output: report(0xffff0002);\n
# output: report(0x7ffffffe);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xffff7fff);\n
# output: report(0xffff0000);\n
# output: report(0x80010000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xffff0000);\n
# output: report(0xfffeffff);\n
# output: report(0x00010000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x00000002);\n
# output: report(0xfffffffd);\n
# output: report(0xfffffffa);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xffff8000);\n
# output: report(0x00010000);\n
# output: report(0x80000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xffff7fff);\n
# output: report(0x00010000);\n
# output: report(0x7fff0000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x80000000);\n
# output: report(0x00000001);\n
# output: report(0x80000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x00008000);\n
# output: report(0x00010000);\n
# output: report(0x80000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x00000002);\n
# output: report(0xfffffffd);\n
# output: report(0xfffffffa);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: \n
# output: report(0xffff7fff);\n
# output: report(0xffff0000);\n
# output: report(0x80010000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: \n
# output: exit(0)\n
#include "or1k-asm-test-helpers.h"
STANDARD_TEST_ENVIRONMENT
.section .exception_vectors
/* Range exception. */
.org 0xb00
/* The handling is a bit dubious at present. We just patch the
instruction with l.nop and restart. This will go wrong in branch
delay slots, but we are not testing that here. */
l.addi r1, r1, -EXCEPTION_STACK_SKIP_SIZE
PUSH r2
PUSH r3
/* Save the address of the instruction that caused the problem. */
MOVE_FROM_SPR r2, SPR_EPCR_BASE
LOAD_IMMEDIATE r3, 0x15000000 /* Opcode for l.nop */
l.sw 0(r2), r3
POP r3
POP r2
l.addi r1, r1, EXCEPTION_STACK_SKIP_SIZE
l.rfe
.section .text
start_tests:
PUSH LINK_REGISTER_R9
/* Test l.mul */
/* Multiply two small positive numbers. This should set no flags.
*/
TEST_INST_I32_I32 l.mul, 0x00000002, 0x00000003
/* Multiply two quite large positive numbers. This should set no
flags */
TEST_INST_I32_I32 l.mul, 0x00008001, 0x0000fffe
/* Multiply two slightly too large positive numbers. This should
set the overflow, but not the carry flag . */
TEST_INST_I32_I32 l.mul, 0x00008000, 0x00010000
/* Multiply two large positive numbers. This should set the
overflow flags (even though the result is not a negative
number. */
TEST_INST_I32_I32 l.mul, 0x00010000, 0x00010000
/* Multiply two small negative numbers. This will set no flags. */
TEST_INST_I32_I32 l.mul, 0xfffffffe, 0xfffffffd
/* Multiply two quite large negative numbers. This will no flags. */
TEST_INST_I32_I32 l.mul, 0xffff7fff, 0xffff0002
/* Multiply two slightly too large negative numbers. This should
set the overflow flag. */
TEST_INST_I32_I32 l.mul, 0xffff7fff, 0xffff0000
/* Multiply two large negative numbers. This should set the
both the carry and overflow flags (even though the result is a
positive number. */
TEST_INST_I32_I32 l.mul, 0xffff0000, 0xfffeffff
/* Multiply one small negative number and one small positive
number. This will set the no flags. */
TEST_INST_I32_I32 l.mul, 0x00000002, 0xfffffffd
/* Multiply one quite large negative number and one quite large
positive number. This will set no flags. */
TEST_INST_I32_I32 l.mul, 0xffff8000, 0x00010000
/* Multiply one slightly too large negative number and one slightly
too large positive number. This should set the overflow flag. */
TEST_INST_I32_I32 l.mul, 0xffff7fff, 0x00010000
/* Multiply the largest negative number by positive unity. This
should set neither carry, nor overflow flag. */
TEST_INST_I32_I32 l.mul, 0x80000000, 0x00000001
/* Check that range exceptions are triggered. */
SET_SPR_SR_FLAGS SPR_SR_OVE, r2, r3
/* Check that an overflow alone causes a RANGE Exception. */
TEST_INST_I32_I32 l.mul, 0x00008000, 0x00010000
/* Check multiply of a negative and positive does not cause a RANGE
Exception. */
TEST_INST_I32_I32 l.mul, 0x00000002, 0xfffffffd
/* Check that negative overflow causes a RANGE exception. */
TEST_INST_I32_I32 l.mul, 0xffff7fff, 0xffff0000
CLEAR_SPR_SR_FLAGS SPR_SR_OVE, r2, r3
/* Test l.muli */
/* Multiply two small positive numbers. This should set no flags. */
TEST_INST_I32_I16 l.muli, 0x00000002, 0x0003
/* Multiply two quite large positive numbers. This should set no
flags */
TEST_INST_I32_I16 l.muli, 0x00010002, 0x7fff
/* Multiply two slightly too large positive numbers. This should
set the overflow, but not the carry flag. */
TEST_INST_I32_I16 l.muli, 0x00020000, 0x4000
/* Multiply two large positive numbers. This should set the
overflow flag, even though the result is not a negative number. */
TEST_INST_I32_I16 l.muli, 0x00040000, 0x4000
/* Multiply two small negative numbers. This should set no flags. */
TEST_INST_I32_I16 l.muli, 0xfffffffe, 0xfffd
/* Multiply two quite large negative numbers. This will set no
flags. */
TEST_INST_I32_I16 l.muli, 0xfffefffe, 0x8001
/* Multiply two slightly too large negative numbers. This should
set the overflow flag. */
TEST_INST_I32_I16 l.muli, 0xfffe0000, 0xbfff
/* Multiply two large negative numbers. This should set the
overflow flag, even though the result is a positive number. */
TEST_INST_I32_I16 l.muli, 0xfffdfffe, 0x8000
/* Multiply one small negative number and one small positive
number. This will set no flags. */
TEST_INST_I32_I16 l.muli, 0x00000002, 0xfffd
/* Multiply one quite large negative number and one quite large
positive number. This will set no flags. */
TEST_INST_I32_I16 l.muli, 0x00010000, 0x8000
/* Multiply one slightly too large negative number and one slightly
too large positive number. This will set the overflow flag. */
TEST_INST_I32_I16 l.muli, 0xfffdfffc, 0x4000
/* Multiply the largest negative number by positive unity. Should
set neither carry, nor overflow flag. */
TEST_INST_I32_I16 l.muli, 0x80000000, 0x0001
/* Check that range exceptions are triggered. */
SET_SPR_SR_FLAGS SPR_SR_OVE, r2, r3
/* Check that an overflow alone causes a RANGE Exception. */
TEST_INST_I32_I16 l.muli, 0x00020000, 0x4000
/* Check that two negatives will not cause a RANGE Exception. */
TEST_INST_I32_I16 l.muli, 0xfffffffe, 0xfffd
/* Check that multiply of larget negative and positive numbers causes
a RANGE exception and overflow. */
TEST_INST_I32_I16 l.muli, 0xfffdfffe, 0x8000
CLEAR_SPR_SR_FLAGS SPR_SR_OVE, r2, r3
/* Test l.mulu */
/* Multiply two small positive numbers. This should set no flags. */
TEST_INST_I32_I32 l.mulu, 0x00000002, 0x00000003
/* Multiply two quite large positive numbers. This should set no
flags. */
TEST_INST_I32_I32 l.mulu, 0x00008001, 0x0000fffe
/* Multiply two slightly too large positive numbers. This will set
no flags. */
TEST_INST_I32_I32 l.mulu, 0x00008000, 0x00010000
/* Multiply two large positive numbers. This will set the overflow
flag. */
TEST_INST_I32_I32 l.mulu, 0x00010000, 0x00010000
/* Multiply two small negative numbers. This will set the
carry flag, but not the overflow flag. */
TEST_INST_I32_I32 l.mulu, 0xfffffffe, 0xfffffffd
/* Multiply two quite large negative numbers. This will set the
carry flag, but not the overflow flag. */
TEST_INST_I32_I32 l.mulu, 0xffff7fff, 0xffff0002
/* Multiply two slightly too large negative numbers. This will set
the carry flag, and not the overflow flag */
TEST_INST_I32_I32 l.mulu, 0xffff7fff, 0xffff0000
/* Multiply two large negative numbers. This will set the both the
carry flag (even though the result is a positive number.) */
TEST_INST_I32_I32 l.mulu, 0xffff0000, 0xfffeffff
/* Multiply one small negative number and one small positive
number. This will set the carry flag, but not the overflow
flag. */
TEST_INST_I32_I32 l.mulu, 0x00000002, 0xfffffffd
/* Multiply one quite large negative number and one quite large
positive number. This will set the carry flag, but not the
overflow flag. */
TEST_INST_I32_I32 l.mulu, 0xffff8000, 0x00010000
/* Multiply one slightly too large negative number and one slightly
too large positive number. This will set the carry flag, but
not the overflow flag. */
TEST_INST_I32_I32 l.mulu, 0xffff7fff, 0x00010000
/* Multiply the largest negative number by positive unity. Should
set neither carry, nor overflow flag. */
TEST_INST_I32_I32 l.mulu, 0x80000000, 0x00000001
/* Check that range exceptions are never triggered. */
SET_SPR_SR_FLAGS SPR_SR_OVE, r2, r3
/* Check that what would cause an overflow alone in 2's complement
does not cause a RANGE Exception. */
TEST_INST_I32_I32 l.mulu, 0x00008000, 0x00010000
/* Check that a carry causes a RANGE Exception. */
TEST_INST_I32_I32 l.mulu, 0x00000002, 0xfffffffd
/* Check that what would cause an overflow and carry in 2's
complement causes a RANGE Exception. */
TEST_INST_I32_I32 l.mulu, 0xffff7fff, 0xffff0000
CLEAR_SPR_SR_FLAGS SPR_SR_OVE, r2, r3
POP LINK_REGISTER_R9
RETURN_TO_LINK_REGISTER_R9
|
