Subversion Repositories openrisc_2011-10-31

/* PR middle-end/30704 */

typedef __SIZE_TYPE__ size_t;

extern void abort (void);

extern int memcmp (const void *, const void *, size_t);

extern void *memcpy (void *, const void *, size_t);

long long

f1 (void)

{

  long long t;

  double d = 0x0.fffffffffffff000p-1022;

  memcpy (&t, &d, sizeof (long long));

  return t;

}

double

f2 (void)

{

  long long t = 0x000fedcba9876543LL;

  double d;

  memcpy (&d, &t, sizeof (long long));

  return d;

}

int

main ()

{

  union

  {

    long long ll;

    double d;

  } u;

  if (sizeof (long long) != sizeof (double) || __DBL_MIN_EXP__ != -1021)

    return 0;

  u.ll = f1 ();

  if (u.d != 0x0.fffffffffffff000p-1022)

    abort ();

  u.d = f2 ();

  if (u.ll != 0x000fedcba9876543LL)

    abort ();

  double b = 234.0;

  long long c;

  double d = b;

  memcpy (&c, &b, sizeof (double));

  long long e = c;

  if (memcmp (&e, &d, sizeof (double)) != 0)

    abort ();

  return 0;

}