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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.c-torture/] [execute/] [conversion.c] - Blame information for rev 816

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Line No. Rev Author Line
1 297 jeremybenn 
/* Test front-end conversions, optimizer conversions, and run-time
2 
   conversions between different arithmetic types.
3 
 
4 
   Constants are specified in a non-obvious way to make them work for
5 
   any word size.  Their value on a 32-bit machine is indicated in the
6 
   comments.
7 
 
8 
   Note that this code is NOT intended for testing of accuracy of fp
9 
   conversions.  */
10 
 
11 
float
12 
u2f(u)
13 
     unsigned int u;
14 
{
15 
  return u;
16 
}
17 
 
18 
double
19 
u2d(u)
20 
     unsigned int u;
21 
{
22 
  return u;
23 
}
24 
 
25 
long double
26 
u2ld(u)
27 
     unsigned int u;
28 
{
29 
  return u;
30 
}
31 
 
32 
float
33 
s2f(s)
34 
     int s;
35 
{
36 
  return s;
37 
}
38 
 
39 
double
40 
s2d(s)
41 
     int s;
42 
{
43 
  return s;
44 
}
45 
 
46 
long double
47 
s2ld(s)
48 
     int s;
49 
{
50 
  return s;
51 
}
52 
 
53 
int
54 
fnear (float x, float y)
55 
{
56 
  float t = x - y;
57 
  return t == 0 || x / t > 1000000.0;
58 
}
59 
 
60 
int
61 
dnear (double x, double y)
62 
{
63 
  double t = x - y;
64 
  return t == 0 || x / t > 100000000000000.0;
65 
}
66 
 
67 
int
68 
ldnear (long double x, long double y)
69 
{
70 
  long double t = x - y;
71 
  return t == 0 || x / t > 100000000000000000000000000000000.0;
72 
}
73 
 
74 
test_integer_to_float()
75 
{
76 
  if (u2f(0U) != (float) 0U)                            /* 0 */
77 
    abort();
78 
  if (!fnear (u2f(~0U), (float) ~0U))                   /* 0xffffffff */
79 
    abort();
80 
  if (!fnear (u2f((~0U) >> 1), (float) ((~0U) >> 1)))   /* 0x7fffffff */
81 
    abort();
82 
  if (u2f(~((~0U) >> 1)) != (float) ~((~0U) >> 1))      /* 0x80000000 */
83 
    abort();
84 
 
85 
  if (u2d(0U) != (double) 0U)                           /* 0 */
86 
    abort();
87 
  if (!dnear (u2d(~0U), (double) ~0U))                  /* 0xffffffff */
88 
    abort();
89 
  if (!dnear (u2d((~0U) >> 1),(double) ((~0U) >> 1)))   /* 0x7fffffff */
90 
    abort();
91 
  if (u2d(~((~0U) >> 1)) != (double) ~((~0U) >> 1))     /* 0x80000000 */
92 
    abort();
93 
 
94 
  if (u2ld(0U) != (long double) 0U)                     /* 0 */
95 
    abort();
96 
  if (!ldnear (u2ld(~0U), (long double) ~0U))           /* 0xffffffff */
97 
    abort();
98 
  if (!ldnear (u2ld((~0U) >> 1),(long double) ((~0U) >> 1)))    /* 0x7fffffff */
99 
    abort();
100 
  if (u2ld(~((~0U) >> 1)) != (long double) ~((~0U) >> 1))       /* 0x80000000 */
101 
    abort();
102 
 
103 
  if (s2f(0) != (float) 0)                                /* 0 */
104 
    abort();
105 
  if (!fnear (s2f(~0), (float) ~0))                       /* 0xffffffff */
106 
    abort();
107 
  if (!fnear (s2f((int)((~0U) >> 1)), (float)(int)((~0U) >> 1))) /* 0x7fffffff */
108 
    abort();
109 
  if (s2f((int)(~((~0U) >> 1))) != (float)(int)~((~0U) >> 1)) /* 0x80000000 */
110 
    abort();
111 
 
112 
  if (s2d(0) != (double) 0)                               /* 0 */
113 
    abort();
114 
  if (!dnear (s2d(~0), (double) ~0))                      /* 0xffffffff */
115 
    abort();
116 
  if (!dnear (s2d((int)((~0U) >> 1)), (double)(int)((~0U) >> 1))) /* 0x7fffffff */
117 
    abort();
118 
  if (s2d((int)~((~0U) >> 1)) != (double)(int)~((~0U) >> 1)) /* 0x80000000 */
119 
    abort();
120 
 
121 
  if (s2ld(0) != (long double) 0)                 /* 0 */
122 
    abort();
123 
  if (!ldnear (s2ld(~0), (long double) ~0))               /* 0xffffffff */
124 
    abort();
125 
  if (!ldnear (s2ld((int)((~0U) >> 1)), (long double)(int)((~0U) >> 1))) /* 0x7fffffff */
126 
    abort();
127 
  if (s2ld((int)~((~0U) >> 1)) != (long double)(int)~((~0U) >> 1)) /* 0x80000000 */
128 
    abort();
129 
}
130 
 
131 
#if __GNUC__
132 
float
133 
ull2f(u)
134 
     unsigned long long int u;
135 
{
136 
  return u;
137 
}
138 
 
139 
double
140 
ull2d(u)
141 
     unsigned long long int u;
142 
{
143 
  return u;
144 
}
145 
 
146 
long double
147 
ull2ld(u)
148 
     unsigned long long int u;
149 
{
150 
  return u;
151 
}
152 
 
153 
float
154 
sll2f(s)
155 
     long long int s;
156 
{
157 
  return s;
158 
}
159 
 
160 
double
161 
sll2d(s)
162 
     long long int s;
163 
{
164 
  return s;
165 
}
166 
 
167 
long double
168 
sll2ld(s)
169 
     long long int s;
170 
{
171 
  return s;
172 
}
173 
 
174 
test_longlong_integer_to_float()
175 
{
176 
  if (ull2f(0ULL) != (float) 0ULL)                      /* 0 */
177 
    abort();
178 
  if (ull2f(~0ULL) != (float) ~0ULL)                    /* 0xffffffff */
179 
    abort();
180 
  if (ull2f((~0ULL) >> 1) != (float) ((~0ULL) >> 1))    /* 0x7fffffff */
181 
    abort();
182 
  if (ull2f(~((~0ULL) >> 1)) != (float) ~((~0ULL) >> 1)) /* 0x80000000 */
183 
    abort();
184 
 
185 
  if (ull2d(0ULL) != (double) 0ULL)                     /* 0 */
186 
    abort();
187 
#if __HAVE_68881__
188 
  /* Some 68881 targets return values in fp0, with excess precision.
189 
     But the compile-time conversion to double works correctly.  */
190 
  if (! dnear (ull2d(~0ULL), (double) ~0ULL))           /* 0xffffffff */
191 
    abort();
192 
  if (! dnear (ull2d((~0ULL) >> 1), (double) ((~0ULL) >> 1))) /* 0x7fffffff */
193 
    abort();
194 
#else
195 
  if (ull2d(~0ULL) != (double) ~0ULL)                   /* 0xffffffff */
196 
    abort();
197 
  if (ull2d((~0ULL) >> 1) != (double) ((~0ULL) >> 1))   /* 0x7fffffff */
198 
    abort();
199 
#endif
200 
  if (ull2d(~((~0ULL) >> 1)) != (double) ~((~0ULL) >> 1)) /* 0x80000000 */
201 
    abort();
202 
 
203 
  if (ull2ld(0ULL) != (long double) 0ULL)               /* 0 */
204 
    abort();
205 
  if (ull2ld(~0ULL) != (long double) ~0ULL)             /* 0xffffffff */
206 
    abort();
207 
  if (ull2ld((~0ULL) >> 1) != (long double) ((~0ULL) >> 1))     /* 0x7fffffff */
208 
    abort();
209 
  if (ull2ld(~((~0ULL) >> 1)) != (long double) ~((~0ULL) >> 1)) /* 0x80000000 */
210 
    abort();
211 
 
212 
  if (sll2f(0LL) != (float) 0LL)                        /* 0 */
213 
    abort();
214 
  if (sll2f(~0LL) != (float) ~0LL)                      /* 0xffffffff */
215 
    abort();
216 
  if (! fnear (sll2f((long long int)((~0ULL) >> 1)), (float)(long long int)((~0ULL) >> 1))) /* 0x7fffffff */
217 
    abort();
218 
  if (sll2f((long long int)(~((~0ULL) >> 1))) != (float)(long long int)~((~0ULL) >> 1)) /* 0x80000000 */
219 
    abort();
220 
 
221 
  if (sll2d(0LL) != (double) 0LL)                       /* 0 */
222 
    abort();
223 
  if (sll2d(~0LL) != (double) ~0LL)                     /* 0xffffffff */
224 
    abort();
225 
  if (!dnear (sll2d((long long int)((~0ULL) >> 1)), (double)(long long int)((~0ULL) >> 1))) /* 0x7fffffff */
226 
    abort();
227 
  if (! dnear (sll2d((long long int)~((~0ULL) >> 1)), (double)(long long int)~((~0ULL) >> 1))) /* 0x80000000 */
228 
    abort();
229 
 
230 
  if (sll2ld(0LL) != (long double) 0LL)                 /* 0 */
231 
    abort();
232 
  if (sll2ld(~0LL) != (long double) ~0LL)               /* 0xffffffff */
233 
    abort();
234 
  if (!ldnear (sll2ld((long long int)((~0ULL) >> 1)), (long double)(long long int)((~0ULL) >> 1))) /* 0x7fffffff */
235 
    abort();
236 
  if (! ldnear (sll2ld((long long int)~((~0ULL) >> 1)), (long double)(long long int)~((~0ULL) >> 1))) /* 0x80000000 */
237 
    abort();
238 
}
239 
#endif
240 
 
241 
unsigned int
242 
f2u(float f)
243 
{
244 
  return (unsigned) f;
245 
}
246 
 
247 
unsigned int
248 
d2u(double d)
249 
{
250 
  return (unsigned) d;
251 
}
252 
 
253 
unsigned int
254 
ld2u(long double d)
255 
{
256 
  return (unsigned) d;
257 
}
258 
 
259 
int
260 
f2s(float f)
261 
{
262 
  return (int) f;
263 
}
264 
 
265 
int
266 
d2s(double d)
267 
{
268 
  return (int) d;
269 
}
270 
 
271 
int
272 
ld2s(long double d)
273 
{
274 
  return (int) d;
275 
}
276 
 
277 
test_float_to_integer()
278 
{
279 
  if (f2u(0.0) != 0)
280 
    abort();
281 
  if (f2u(0.999) != 0)
282 
    abort();
283 
  if (f2u(1.0) != 1)
284 
    abort();
285 
  if (f2u(1.99) != 1)
286 
    abort();
287 
#ifdef __SPU__
288 
  /* SPU float rounds towards zero.  */
289 
  if (f2u((float) ((~0U) >> 1)) != 0x7fffff80)
290 
    abort();
291 
#else
292 
  if (f2u((float) ((~0U) >> 1)) != (~0U) >> 1 &&        /* 0x7fffffff */
293 
      f2u((float) ((~0U) >> 1)) != ((~0U) >> 1) + 1)
294 
    abort();
295 
#endif
296 
  if (f2u((float) ~((~0U) >> 1)) != ~((~0U) >> 1))      /* 0x80000000 */
297 
    abort();
298 
 
299 
 /* These tests require double precision, so for hosts that don't offer
300 
    that much precision, just ignore these test.  */
301 
 if (sizeof (double) >= 8) {
302 
  if (d2u(0.0) != 0)
303 
    abort();
304 
  if (d2u(0.999) != 0)
305 
    abort();
306 
  if (d2u(1.0) != 1)
307 
    abort();
308 
  if (d2u(1.99) != 1)
309 
    abort();
310 
  if (d2u((double) (~0U)) != ~0U)                       /* 0xffffffff */
311 
    abort();
312 
  if (d2u((double) ((~0U) >> 1)) != (~0U) >> 1)         /* 0x7fffffff */
313 
    abort();
314 
  if (d2u((double) ~((~0U) >> 1)) != ~((~0U) >> 1))     /* 0x80000000 */
315 
    abort();
316 
 }
317 
 
318 
 /* These tests require long double precision, so for hosts that don't offer
319 
    that much precision, just ignore these test.  */
320 
 if (sizeof (long double) >= 8) {
321 
  if (ld2u(0.0) != 0)
322 
    abort();
323 
  if (ld2u(0.999) != 0)
324 
    abort();
325 
  if (ld2u(1.0) != 1)
326 
    abort();
327 
  if (ld2u(1.99) != 1)
328 
    abort();
329 
  if (ld2u((long double) (~0U)) != ~0U)                 /* 0xffffffff */
330 
    abort();
331 
  if (ld2u((long double) ((~0U) >> 1)) != (~0U) >> 1)   /* 0x7fffffff */
332 
    abort();
333 
  if (ld2u((long double) ~((~0U) >> 1)) != ~((~0U) >> 1))       /* 0x80000000 */
334 
    abort();
335 
 }
336 
 
337 
  if (f2s(0.0) != 0)
338 
    abort();
339 
  if (f2s(0.999) != 0)
340 
    abort();
341 
  if (f2s(1.0) != 1)
342 
    abort();
343 
  if (f2s(1.99) != 1)
344 
    abort();
345 
  if (f2s(-0.999) != 0)
346 
    abort();
347 
  if (f2s(-1.0) != -1)
348 
    abort();
349 
  if (f2s(-1.99) != -1)
350 
    abort();
351 
  if (f2s((float)(int)~((~0U) >> 1)) != (int)~((~0U) >> 1)) /* 0x80000000 */
352 
    abort();
353 
 
354 
 /* These tests require double precision, so for hosts that don't offer
355 
    that much precision, just ignore these test.  */
356 
 if (sizeof (double) >= 8) {
357 
  if (d2s(0.0) != 0)
358 
    abort();
359 
  if (d2s(0.999) != 0)
360 
    abort();
361 
  if (d2s(1.0) != 1)
362 
    abort();
363 
  if (d2s(1.99) != 1)
364 
    abort();
365 
  if (d2s(-0.999) != 0)
366 
    abort();
367 
  if (d2s(-1.0) != -1)
368 
    abort();
369 
  if (d2s(-1.99) != -1)
370 
    abort();
371 
  if (d2s((double) ((~0U) >> 1)) != (~0U) >> 1)         /* 0x7fffffff */
372 
    abort();
373 
  if (d2s((double)(int)~((~0U) >> 1)) != (int)~((~0U) >> 1)) /* 0x80000000 */
374 
    abort();
375 
 }
376 
 
377 
 /* These tests require long double precision, so for hosts that don't offer
378 
    that much precision, just ignore these test.  */
379 
 if (sizeof (long double) >= 8) {
380 
  if (ld2s(0.0) != 0)
381 
    abort();
382 
  if (ld2s(0.999) != 0)
383 
    abort();
384 
  if (ld2s(1.0) != 1)
385 
    abort();
386 
  if (ld2s(1.99) != 1)
387 
    abort();
388 
  if (ld2s(-0.999) != 0)
389 
    abort();
390 
  if (ld2s(-1.0) != -1)
391 
    abort();
392 
  if (ld2s(-1.99) != -1)
393 
    abort();
394 
  if (ld2s((long double) ((~0U) >> 1)) != (~0U) >> 1)           /* 0x7fffffff */
395 
    abort();
396 
  if (ld2s((long double)(int)~((~0U) >> 1)) != (int)~((~0U) >> 1)) /* 0x80000000 */
397 
    abort();
398 
 }
399 
}
400 
 
401 
#if __GNUC__
402 
unsigned long long int
403 
f2ull(float f)
404 
{
405 
  return (unsigned long long int) f;
406 
}
407 
 
408 
unsigned long long int
409 
d2ull(double d)
410 
{
411 
  return (unsigned long long int) d;
412 
}
413 
 
414 
unsigned long long int
415 
ld2ull(long double d)
416 
{
417 
  return (unsigned long long int) d;
418 
}
419 
 
420 
long long int
421 
f2sll(float f)
422 
{
423 
  return (long long int) f;
424 
}
425 
 
426 
long long int
427 
d2sll(double d)
428 
{
429 
  return (long long int) d;
430 
}
431 
 
432 
long long int
433 
ld2sll(long double d)
434 
{
435 
  return (long long int) d;
436 
}
437 
 
438 
test_float_to_longlong_integer()
439 
{
440 
  if (f2ull(0.0) != 0LL)
441 
    abort();
442 
  if (f2ull(0.999) != 0LL)
443 
    abort();
444 
  if (f2ull(1.0) != 1LL)
445 
    abort();
446 
  if (f2ull(1.99) != 1LL)
447 
    abort();
448 
#ifdef __SPU__
449 
  /* SPU float rounds towards zero.  */
450 
  if (f2ull((float) ((~0ULL) >> 1)) != 0x7fffff8000000000ULL)
451 
    abort();
452 
#else
453 
  if (f2ull((float) ((~0ULL) >> 1)) != (~0ULL) >> 1 &&  /* 0x7fffffff */
454 
      f2ull((float) ((~0ULL) >> 1)) != ((~0ULL) >> 1) + 1)
455 
    abort();
456 
#endif
457 
  if (f2ull((float) ~((~0ULL) >> 1)) != ~((~0ULL) >> 1)) /* 0x80000000 */
458 
    abort();
459 
 
460 
  if (d2ull(0.0) != 0LL)
461 
    abort();
462 
  if (d2ull(0.999) != 0LL)
463 
    abort();
464 
  if (d2ull(1.0) != 1LL)
465 
    abort();
466 
  if (d2ull(1.99) != 1LL)
467 
    abort();
468 
  if (d2ull((double) ((~0ULL) >> 1)) != (~0ULL) >> 1 && /* 0x7fffffff */
469 
      d2ull((double) ((~0ULL) >> 1)) != ((~0ULL) >> 1) + 1)
470 
    abort();
471 
  if (d2ull((double) ~((~0ULL) >> 1)) != ~((~0ULL) >> 1)) /* 0x80000000 */
472 
    abort();
473 
 
474 
  if (ld2ull(0.0) != 0LL)
475 
    abort();
476 
  if (ld2ull(0.999) != 0LL)
477 
    abort();
478 
  if (ld2ull(1.0) != 1LL)
479 
    abort();
480 
  if (ld2ull(1.99) != 1LL)
481 
    abort();
482 
  if (ld2ull((long double) ((~0ULL) >> 1)) != (~0ULL) >> 1 &&   /* 0x7fffffff */
483 
      ld2ull((long double) ((~0ULL) >> 1)) != ((~0ULL) >> 1) + 1)
484 
    abort();
485 
  if (ld2ull((long double) ~((~0ULL) >> 1)) != ~((~0ULL) >> 1)) /* 0x80000000 */
486 
    abort();
487 
 
488 
 
489 
  if (f2sll(0.0) != 0LL)
490 
    abort();
491 
  if (f2sll(0.999) != 0LL)
492 
    abort();
493 
  if (f2sll(1.0) != 1LL)
494 
    abort();
495 
  if (f2sll(1.99) != 1LL)
496 
    abort();
497 
  if (f2sll(-0.999) != 0LL)
498 
    abort();
499 
  if (f2sll(-1.0) != -1LL)
500 
    abort();
501 
  if (f2sll(-1.99) != -1LL)
502 
    abort();
503 
  if (f2sll((float)(long long int)~((~0ULL) >> 1)) != (long long int)~((~0ULL) >> 1)) /* 0x80000000 */
504 
    abort();
505 
 
506 
  if (d2sll(0.0) != 0LL)
507 
    abort();
508 
  if (d2sll(0.999) != 0LL)
509 
    abort();
510 
  if (d2sll(1.0) != 1LL)
511 
    abort();
512 
  if (d2sll(1.99) != 1LL)
513 
    abort();
514 
  if (d2sll(-0.999) != 0LL)
515 
    abort();
516 
  if (d2sll(-1.0) != -1LL)
517 
    abort();
518 
  if (d2sll(-1.99) != -1LL)
519 
    abort();
520 
  if (d2sll((double)(long long int)~((~0ULL) >> 1)) != (long long int)~((~0ULL) >> 1)) /* 0x80000000 */
521 
    abort();
522 
 
523 
  if (ld2sll(0.0) != 0LL)
524 
    abort();
525 
  if (ld2sll(0.999) != 0LL)
526 
    abort();
527 
  if (ld2sll(1.0) != 1LL)
528 
    abort();
529 
  if (ld2sll(1.99) != 1LL)
530 
    abort();
531 
  if (ld2sll(-0.999) != 0LL)
532 
    abort();
533 
  if (ld2sll(-1.0) != -1LL)
534 
    abort();
535 
  if (ld2sll(-1.99) != -1LL)
536 
    abort();
537 
  if (ld2sll((long double)(long long int)~((~0ULL) >> 1)) != (long long int)~((~0ULL) >> 1)) /* 0x80000000 */
538 
    abort();
539 
}
540 
#endif
541 
 
542 
main()
543 
{
544 
  test_integer_to_float();
545 
  test_float_to_integer();
546 
#if __GNUC__
547 
  test_longlong_integer_to_float();
548 
  test_float_to_longlong_integer();
549 
#endif
550 
  exit(0);
551 
}

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