1 //===-- clzsi2_test.c - Test __clzsi2 -------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file tests __clzsi2 for the compiler_rt library.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "int_lib.h"
15 #include <stdio.h>
16
17 // Returns: the number of leading 0-bits
18
19 // Precondition: a != 0
20
21 COMPILER_RT_ABI si_int __clzsi2(si_int a);
22
test__clzsi2(si_int a,si_int expected)23 int test__clzsi2(si_int a, si_int expected)
24 {
25 si_int x = __clzsi2(a);
26 if (x != expected)
27 printf("error in __clzsi2(0x%X) = %d, expected %d\n", a, x, expected);
28 return x != expected;
29 }
30
31 char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0};
32 char assumption_2[sizeof(si_int)*CHAR_BIT == 32] = {0};
33
main()34 int main()
35 {
36 // if (test__clzsi2(0x00000000, 32)) // undefined
37 // return 1;
38 if (test__clzsi2(0x00800000, 8))
39 return 1;
40 if (test__clzsi2(0x01000000, 7))
41 return 1;
42 if (test__clzsi2(0x02000000, 6))
43 return 1;
44 if (test__clzsi2(0x03000000, 6))
45 return 1;
46 if (test__clzsi2(0x04000000, 5))
47 return 1;
48 if (test__clzsi2(0x05000000, 5))
49 return 1;
50 if (test__clzsi2(0x06000000, 5))
51 return 1;
52 if (test__clzsi2(0x07000000, 5))
53 return 1;
54 if (test__clzsi2(0x08000000, 4))
55 return 1;
56 if (test__clzsi2(0x09000000, 4))
57 return 1;
58 if (test__clzsi2(0x0A000000, 4))
59 return 1;
60 if (test__clzsi2(0x0B000000, 4))
61 return 1;
62 if (test__clzsi2(0x0C000000, 4))
63 return 1;
64 if (test__clzsi2(0x0D000000, 4))
65 return 1;
66 if (test__clzsi2(0x0E000000, 4))
67 return 1;
68 if (test__clzsi2(0x0F000000, 4))
69 return 1;
70 if (test__clzsi2(0x10000000, 3))
71 return 1;
72 if (test__clzsi2(0x11000000, 3))
73 return 1;
74 if (test__clzsi2(0x12000000, 3))
75 return 1;
76 if (test__clzsi2(0x13000000, 3))
77 return 1;
78 if (test__clzsi2(0x14000000, 3))
79 return 1;
80 if (test__clzsi2(0x15000000, 3))
81 return 1;
82 if (test__clzsi2(0x16000000, 3))
83 return 1;
84 if (test__clzsi2(0x17000000, 3))
85 return 1;
86 if (test__clzsi2(0x18000000, 3))
87 return 1;
88 if (test__clzsi2(0x19000000, 3))
89 return 1;
90 if (test__clzsi2(0x1A000000, 3))
91 return 1;
92 if (test__clzsi2(0x1B000000, 3))
93 return 1;
94 if (test__clzsi2(0x1C000000, 3))
95 return 1;
96 if (test__clzsi2(0x1D000000, 3))
97 return 1;
98 if (test__clzsi2(0x1E000000, 3))
99 return 1;
100 if (test__clzsi2(0x1F000000, 3))
101 return 1;
102 if (test__clzsi2(0x20000000, 2))
103 return 1;
104 if (test__clzsi2(0x21000000, 2))
105 return 1;
106 if (test__clzsi2(0x22000000, 2))
107 return 1;
108 if (test__clzsi2(0x23000000, 2))
109 return 1;
110 if (test__clzsi2(0x24000000, 2))
111 return 1;
112 if (test__clzsi2(0x25000000, 2))
113 return 1;
114 if (test__clzsi2(0x26000000, 2))
115 return 1;
116 if (test__clzsi2(0x27000000, 2))
117 return 1;
118 if (test__clzsi2(0x28000000, 2))
119 return 1;
120 if (test__clzsi2(0x29000000, 2))
121 return 1;
122 if (test__clzsi2(0x2A000000, 2))
123 return 1;
124 if (test__clzsi2(0x2B000000, 2))
125 return 1;
126 if (test__clzsi2(0x2C000000, 2))
127 return 1;
128 if (test__clzsi2(0x2D000000, 2))
129 return 1;
130 if (test__clzsi2(0x2E000000, 2))
131 return 1;
132 if (test__clzsi2(0x2F000000, 2))
133 return 1;
134 if (test__clzsi2(0x30000000, 2))
135 return 1;
136 if (test__clzsi2(0x31000000, 2))
137 return 1;
138 if (test__clzsi2(0x32000000, 2))
139 return 1;
140 if (test__clzsi2(0x33000000, 2))
141 return 1;
142 if (test__clzsi2(0x34000000, 2))
143 return 1;
144 if (test__clzsi2(0x35000000, 2))
145 return 1;
146 if (test__clzsi2(0x36000000, 2))
147 return 1;
148 if (test__clzsi2(0x37000000, 2))
149 return 1;
150 if (test__clzsi2(0x38000000, 2))
151 return 1;
152 if (test__clzsi2(0x39000000, 2))
153 return 1;
154 if (test__clzsi2(0x3A000000, 2))
155 return 1;
156 if (test__clzsi2(0x3B000000, 2))
157 return 1;
158 if (test__clzsi2(0x3C000000, 2))
159 return 1;
160 if (test__clzsi2(0x3D000000, 2))
161 return 1;
162 if (test__clzsi2(0x3E000000, 2))
163 return 1;
164 if (test__clzsi2(0x3F000000, 2))
165 return 1;
166 if (test__clzsi2(0x40000000, 1))
167 return 1;
168 if (test__clzsi2(0x41000000, 1))
169 return 1;
170 if (test__clzsi2(0x42000000, 1))
171 return 1;
172 if (test__clzsi2(0x43000000, 1))
173 return 1;
174 if (test__clzsi2(0x44000000, 1))
175 return 1;
176 if (test__clzsi2(0x45000000, 1))
177 return 1;
178 if (test__clzsi2(0x46000000, 1))
179 return 1;
180 if (test__clzsi2(0x47000000, 1))
181 return 1;
182 if (test__clzsi2(0x48000000, 1))
183 return 1;
184 if (test__clzsi2(0x49000000, 1))
185 return 1;
186 if (test__clzsi2(0x4A000000, 1))
187 return 1;
188 if (test__clzsi2(0x4B000000, 1))
189 return 1;
190 if (test__clzsi2(0x4C000000, 1))
191 return 1;
192 if (test__clzsi2(0x4D000000, 1))
193 return 1;
194 if (test__clzsi2(0x4E000000, 1))
195 return 1;
196 if (test__clzsi2(0x4F000000, 1))
197 return 1;
198 if (test__clzsi2(0x50000000, 1))
199 return 1;
200 if (test__clzsi2(0x51000000, 1))
201 return 1;
202 if (test__clzsi2(0x52000000, 1))
203 return 1;
204 if (test__clzsi2(0x53000000, 1))
205 return 1;
206 if (test__clzsi2(0x54000000, 1))
207 return 1;
208 if (test__clzsi2(0x55000000, 1))
209 return 1;
210 if (test__clzsi2(0x56000000, 1))
211 return 1;
212 if (test__clzsi2(0x57000000, 1))
213 return 1;
214 if (test__clzsi2(0x58000000, 1))
215 return 1;
216 if (test__clzsi2(0x59000000, 1))
217 return 1;
218 if (test__clzsi2(0x5A000000, 1))
219 return 1;
220 if (test__clzsi2(0x5B000000, 1))
221 return 1;
222 if (test__clzsi2(0x5C000000, 1))
223 return 1;
224 if (test__clzsi2(0x5D000000, 1))
225 return 1;
226 if (test__clzsi2(0x5E000000, 1))
227 return 1;
228 if (test__clzsi2(0x5F000000, 1))
229 return 1;
230 if (test__clzsi2(0x60000000, 1))
231 return 1;
232 if (test__clzsi2(0x61000000, 1))
233 return 1;
234 if (test__clzsi2(0x62000000, 1))
235 return 1;
236 if (test__clzsi2(0x63000000, 1))
237 return 1;
238 if (test__clzsi2(0x64000000, 1))
239 return 1;
240 if (test__clzsi2(0x65000000, 1))
241 return 1;
242 if (test__clzsi2(0x66000000, 1))
243 return 1;
244 if (test__clzsi2(0x67000000, 1))
245 return 1;
246 if (test__clzsi2(0x68000000, 1))
247 return 1;
248 if (test__clzsi2(0x69000000, 1))
249 return 1;
250 if (test__clzsi2(0x6A000000, 1))
251 return 1;
252 if (test__clzsi2(0x6B000000, 1))
253 return 1;
254 if (test__clzsi2(0x6C000000, 1))
255 return 1;
256 if (test__clzsi2(0x6D000000, 1))
257 return 1;
258 if (test__clzsi2(0x6E000000, 1))
259 return 1;
260 if (test__clzsi2(0x6F000000, 1))
261 return 1;
262 if (test__clzsi2(0x70000000, 1))
263 return 1;
264 if (test__clzsi2(0x71000000, 1))
265 return 1;
266 if (test__clzsi2(0x72000000, 1))
267 return 1;
268 if (test__clzsi2(0x73000000, 1))
269 return 1;
270 if (test__clzsi2(0x74000000, 1))
271 return 1;
272 if (test__clzsi2(0x75000000, 1))
273 return 1;
274 if (test__clzsi2(0x76000000, 1))
275 return 1;
276 if (test__clzsi2(0x77000000, 1))
277 return 1;
278 if (test__clzsi2(0x78000000, 1))
279 return 1;
280 if (test__clzsi2(0x79000000, 1))
281 return 1;
282 if (test__clzsi2(0x7A000000, 1))
283 return 1;
284 if (test__clzsi2(0x7B000000, 1))
285 return 1;
286 if (test__clzsi2(0x7C000000, 1))
287 return 1;
288 if (test__clzsi2(0x7D000000, 1))
289 return 1;
290 if (test__clzsi2(0x7E000000, 1))
291 return 1;
292 if (test__clzsi2(0x7F000000, 1))
293 return 1;
294 if (test__clzsi2(0x80000000, 0))
295 return 1;
296 if (test__clzsi2(0x81000000, 0))
297 return 1;
298 if (test__clzsi2(0x82000000, 0))
299 return 1;
300 if (test__clzsi2(0x83000000, 0))
301 return 1;
302 if (test__clzsi2(0x84000000, 0))
303 return 1;
304 if (test__clzsi2(0x85000000, 0))
305 return 1;
306 if (test__clzsi2(0x86000000, 0))
307 return 1;
308 if (test__clzsi2(0x87000000, 0))
309 return 1;
310 if (test__clzsi2(0x88000000, 0))
311 return 1;
312 if (test__clzsi2(0x89000000, 0))
313 return 1;
314 if (test__clzsi2(0x8A000000, 0))
315 return 1;
316 if (test__clzsi2(0x8B000000, 0))
317 return 1;
318 if (test__clzsi2(0x8C000000, 0))
319 return 1;
320 if (test__clzsi2(0x8D000000, 0))
321 return 1;
322 if (test__clzsi2(0x8E000000, 0))
323 return 1;
324 if (test__clzsi2(0x8F000000, 0))
325 return 1;
326 if (test__clzsi2(0x90000000, 0))
327 return 1;
328 if (test__clzsi2(0x91000000, 0))
329 return 1;
330 if (test__clzsi2(0x92000000, 0))
331 return 1;
332 if (test__clzsi2(0x93000000, 0))
333 return 1;
334 if (test__clzsi2(0x94000000, 0))
335 return 1;
336 if (test__clzsi2(0x95000000, 0))
337 return 1;
338 if (test__clzsi2(0x96000000, 0))
339 return 1;
340 if (test__clzsi2(0x97000000, 0))
341 return 1;
342 if (test__clzsi2(0x98000000, 0))
343 return 1;
344 if (test__clzsi2(0x99000000, 0))
345 return 1;
346 if (test__clzsi2(0x9A000000, 0))
347 return 1;
348 if (test__clzsi2(0x9B000000, 0))
349 return 1;
350 if (test__clzsi2(0x9C000000, 0))
351 return 1;
352 if (test__clzsi2(0x9D000000, 0))
353 return 1;
354 if (test__clzsi2(0x9E000000, 0))
355 return 1;
356 if (test__clzsi2(0x9F000000, 0))
357 return 1;
358 if (test__clzsi2(0xA0000000, 0))
359 return 1;
360 if (test__clzsi2(0xA1000000, 0))
361 return 1;
362 if (test__clzsi2(0xA2000000, 0))
363 return 1;
364 if (test__clzsi2(0xA3000000, 0))
365 return 1;
366 if (test__clzsi2(0xA4000000, 0))
367 return 1;
368 if (test__clzsi2(0xA5000000, 0))
369 return 1;
370 if (test__clzsi2(0xA6000000, 0))
371 return 1;
372 if (test__clzsi2(0xA7000000, 0))
373 return 1;
374 if (test__clzsi2(0xA8000000, 0))
375 return 1;
376 if (test__clzsi2(0xA9000000, 0))
377 return 1;
378 if (test__clzsi2(0xAA000000, 0))
379 return 1;
380 if (test__clzsi2(0xAB000000, 0))
381 return 1;
382 if (test__clzsi2(0xAC000000, 0))
383 return 1;
384 if (test__clzsi2(0xAD000000, 0))
385 return 1;
386 if (test__clzsi2(0xAE000000, 0))
387 return 1;
388 if (test__clzsi2(0xAF000000, 0))
389 return 1;
390 if (test__clzsi2(0xB0000000, 0))
391 return 1;
392 if (test__clzsi2(0xB1000000, 0))
393 return 1;
394 if (test__clzsi2(0xB2000000, 0))
395 return 1;
396 if (test__clzsi2(0xB3000000, 0))
397 return 1;
398 if (test__clzsi2(0xB4000000, 0))
399 return 1;
400 if (test__clzsi2(0xB5000000, 0))
401 return 1;
402 if (test__clzsi2(0xB6000000, 0))
403 return 1;
404 if (test__clzsi2(0xB7000000, 0))
405 return 1;
406 if (test__clzsi2(0xB8000000, 0))
407 return 1;
408 if (test__clzsi2(0xB9000000, 0))
409 return 1;
410 if (test__clzsi2(0xBA000000, 0))
411 return 1;
412 if (test__clzsi2(0xBB000000, 0))
413 return 1;
414 if (test__clzsi2(0xBC000000, 0))
415 return 1;
416 if (test__clzsi2(0xBD000000, 0))
417 return 1;
418 if (test__clzsi2(0xBE000000, 0))
419 return 1;
420 if (test__clzsi2(0xBF000000, 0))
421 return 1;
422 if (test__clzsi2(0xC0000000, 0))
423 return 1;
424 if (test__clzsi2(0xC1000000, 0))
425 return 1;
426 if (test__clzsi2(0xC2000000, 0))
427 return 1;
428 if (test__clzsi2(0xC3000000, 0))
429 return 1;
430 if (test__clzsi2(0xC4000000, 0))
431 return 1;
432 if (test__clzsi2(0xC5000000, 0))
433 return 1;
434 if (test__clzsi2(0xC6000000, 0))
435 return 1;
436 if (test__clzsi2(0xC7000000, 0))
437 return 1;
438 if (test__clzsi2(0xC8000000, 0))
439 return 1;
440 if (test__clzsi2(0xC9000000, 0))
441 return 1;
442 if (test__clzsi2(0xCA000000, 0))
443 return 1;
444 if (test__clzsi2(0xCB000000, 0))
445 return 1;
446 if (test__clzsi2(0xCC000000, 0))
447 return 1;
448 if (test__clzsi2(0xCD000000, 0))
449 return 1;
450 if (test__clzsi2(0xCE000000, 0))
451 return 1;
452 if (test__clzsi2(0xCF000000, 0))
453 return 1;
454 if (test__clzsi2(0xD0000000, 0))
455 return 1;
456 if (test__clzsi2(0xD1000000, 0))
457 return 1;
458 if (test__clzsi2(0xD2000000, 0))
459 return 1;
460 if (test__clzsi2(0xD3000000, 0))
461 return 1;
462 if (test__clzsi2(0xD4000000, 0))
463 return 1;
464 if (test__clzsi2(0xD5000000, 0))
465 return 1;
466 if (test__clzsi2(0xD6000000, 0))
467 return 1;
468 if (test__clzsi2(0xD7000000, 0))
469 return 1;
470 if (test__clzsi2(0xD8000000, 0))
471 return 1;
472 if (test__clzsi2(0xD9000000, 0))
473 return 1;
474 if (test__clzsi2(0xDA000000, 0))
475 return 1;
476 if (test__clzsi2(0xDB000000, 0))
477 return 1;
478 if (test__clzsi2(0xDC000000, 0))
479 return 1;
480 if (test__clzsi2(0xDD000000, 0))
481 return 1;
482 if (test__clzsi2(0xDE000000, 0))
483 return 1;
484 if (test__clzsi2(0xDF000000, 0))
485 return 1;
486 if (test__clzsi2(0xE0000000, 0))
487 return 1;
488 if (test__clzsi2(0xE1000000, 0))
489 return 1;
490 if (test__clzsi2(0xE2000000, 0))
491 return 1;
492 if (test__clzsi2(0xE3000000, 0))
493 return 1;
494 if (test__clzsi2(0xE4000000, 0))
495 return 1;
496 if (test__clzsi2(0xE5000000, 0))
497 return 1;
498 if (test__clzsi2(0xE6000000, 0))
499 return 1;
500 if (test__clzsi2(0xE7000000, 0))
501 return 1;
502 if (test__clzsi2(0xE8000000, 0))
503 return 1;
504 if (test__clzsi2(0xE9000000, 0))
505 return 1;
506 if (test__clzsi2(0xEA000000, 0))
507 return 1;
508 if (test__clzsi2(0xEB000000, 0))
509 return 1;
510 if (test__clzsi2(0xEC000000, 0))
511 return 1;
512 if (test__clzsi2(0xED000000, 0))
513 return 1;
514 if (test__clzsi2(0xEE000000, 0))
515 return 1;
516 if (test__clzsi2(0xEF000000, 0))
517 return 1;
518 if (test__clzsi2(0xF0000000, 0))
519 return 1;
520 if (test__clzsi2(0xF1000000, 0))
521 return 1;
522 if (test__clzsi2(0xF2000000, 0))
523 return 1;
524 if (test__clzsi2(0xF3000000, 0))
525 return 1;
526 if (test__clzsi2(0xF4000000, 0))
527 return 1;
528 if (test__clzsi2(0xF5000000, 0))
529 return 1;
530 if (test__clzsi2(0xF6000000, 0))
531 return 1;
532 if (test__clzsi2(0xF7000000, 0))
533 return 1;
534 if (test__clzsi2(0xF8000000, 0))
535 return 1;
536 if (test__clzsi2(0xF9000000, 0))
537 return 1;
538 if (test__clzsi2(0xFA000000, 0))
539 return 1;
540 if (test__clzsi2(0xFB000000, 0))
541 return 1;
542 if (test__clzsi2(0xFC000000, 0))
543 return 1;
544 if (test__clzsi2(0xFD000000, 0))
545 return 1;
546 if (test__clzsi2(0xFE000000, 0))
547 return 1;
548 if (test__clzsi2(0xFF000000, 0))
549 return 1;
550
551 if (test__clzsi2(0x00000001, 31))
552 return 1;
553 if (test__clzsi2(0x00000002, 30))
554 return 1;
555 if (test__clzsi2(0x00000004, 29))
556 return 1;
557 if (test__clzsi2(0x00000008, 28))
558 return 1;
559 if (test__clzsi2(0x00000010, 27))
560 return 1;
561 if (test__clzsi2(0x00000020, 26))
562 return 1;
563 if (test__clzsi2(0x00000040, 25))
564 return 1;
565 if (test__clzsi2(0x00000080, 24))
566 return 1;
567 if (test__clzsi2(0x00000100, 23))
568 return 1;
569 if (test__clzsi2(0x00000200, 22))
570 return 1;
571 if (test__clzsi2(0x00000400, 21))
572 return 1;
573 if (test__clzsi2(0x00000800, 20))
574 return 1;
575 if (test__clzsi2(0x00001000, 19))
576 return 1;
577 if (test__clzsi2(0x00002000, 18))
578 return 1;
579 if (test__clzsi2(0x00004000, 17))
580 return 1;
581 if (test__clzsi2(0x00008000, 16))
582 return 1;
583 if (test__clzsi2(0x00010000, 15))
584 return 1;
585 if (test__clzsi2(0x00020000, 14))
586 return 1;
587 if (test__clzsi2(0x00040000, 13))
588 return 1;
589 if (test__clzsi2(0x00080000, 12))
590 return 1;
591 if (test__clzsi2(0x00100000, 11))
592 return 1;
593 if (test__clzsi2(0x00200000, 10))
594 return 1;
595 if (test__clzsi2(0x00400000, 9))
596 return 1;
597
598 return 0;
599 }
600