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- /* { dg-do run } */
- double d;
- long double ld;
- int
- main ()
- {
- double e = __builtin_copysign (0.0, -1.0), v;
- long double le = __builtin_copysignl (0.0L, -1.0L), lv;
- if (__builtin_memcmp (&d, &e, sizeof (d)) != 0)
- {
- /* Verify == comparison for atomics is done as with memcmp. */
- #pragma omp atomic compare
- d = d == e ? 5.0 : d;
- #pragma omp atomic read
- v = d;
- if (v != 0.0)
- __builtin_abort ();
- #pragma omp atomic compare
- d = d == 0.0 ? 5.0 : d;
- #pragma omp atomic read
- v = d;
- if (v != 5.0)
- __builtin_abort ();
- }
- if (__builtin_memcmp (&ld, &le, sizeof (ld)) != 0)
- {
- __builtin_memset (&ld, 0xff, sizeof (ld));
- #pragma omp atomic write
- ld = 0.0L;
- __asm volatile ("" : : "g" (&ld) : "memory");
- /* Verify == comparison for atomics is done as with memcmp
- with __builtin_clear_padding if needed. */
- #pragma omp atomic compare
- ld = ld == le ? 5.0L : ld;
- #pragma omp atomic read
- lv = ld;
- if (lv != 0.0L)
- __builtin_abort ();
- #pragma omp atomic compare
- ld = ld == 0.0L ? 5.0L : ld;
- #pragma omp atomic read
- lv = ld;
- if (lv != 5.0L)
- __builtin_abort ();
- }
- return 0;
- }
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