Subversion Repositories openrisc_2011-10-31

/* { dg-do run } */

/* { dg-options "-O3" } */

extern void abort (void);

extern void exit (int);

int __attribute__((noinline, const))

ret4 (float value)

{

  return 4;

}

int __attribute__((noinline, const))

ret0 (float value)

{

  return 0;

}

float __attribute__((noinline))

test (float x, float y)

{

  int clsx = ret4 (x);

  int clsy = ret0 (y);

  if (clsx == 0 || clsy == 0

      || (y < 0 && clsx == 1 && clsy == 1))

    return x - y;

  return x < y ? 0 : x - y;

}

float a = 0.0, b;

int main (void)

{

  unsigned long e;

  b = a / a;

  __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (e));

  e &= ~0x7e000UL;

  __asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (e) : "memory");

  a = test (0, b);

  __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (e));

  if (e & 0x2000)

    abort ();

  exit (0);

}