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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.target/] [i386/] [loop-1.c] - Rev 318

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/* PR optimization/9888 */
/* { dg-do run } */
/* { dg-require-effective-target ilp32 } */
/* { dg-options "-mtune=k6 -O3" } */
 
/* Verify that GCC doesn't emit out of range 'loop' instructions.  */
 
extern void abort (void);
extern void exit (int);
 
 
f1 (a)
     long a;
{
  int i;
  for (i = 0; i < 10; i++)
    {
      if (--a == -1)
	return i;
    }
  return -1;
}
 
f2 (a)
     long a;
{
  int i;
  for (i = 0; i < 10; i++)
    {
      if (--a != -1)
	return i;
    }
  return -1;
}
 
f3 (a)
     long a;
{
  int i;
  for (i = 0; i < 10; i++)
    {
      if (--a == 0)
	return i;
    }
  return -1;
}
 
f4 (a)
     long a;
{
  int i;
  for (i = 0; i < 10; i++)
    {
      if (--a != 0)
	return i;
    }
  return -1;
}
 
f5 (a)
     long a;
{
  int i;
  for (i = 0; i < 10; i++)
    {
      if (++a == 0)
	return i;
    }
  return -1;
}
 
f6 (a)
     long a;
{
  int i;
  for (i = 0; i < 10; i++)
    {
      if (++a != 0)
	return i;
    }
  return -1;
}
 
 
int main()
{
  if (f1 (5L) != 5)
    abort ();
  if (f2 (1L) != 0)
    abort ();
  if (f2 (0L) != 1)
    abort ();
  if (f3 (5L) != 4)
    abort ();
  if (f4 (1L) != 1)
    abort ();
  if (f4 (0L) != 0)
    abort ();
  if (f5 (-5L) != 4)
    abort ();
  if (f6 (-1L) != 1)
    abort ();
  if (f6 (0L) != 0)
    abort ();
  exit (0);
}
 

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