OpenCores
URL https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.c-torture/] [execute/] [divconst-2.c] - Rev 297

Compare with Previous | Blame | View Log

long
f (long x)
{
  return x / (-0x7fffffffL - 1L);
}
 
long
r (long x)
{
  return x % (-0x7fffffffL - 1L);
}
 
/* Since we have a negative divisor, this equation must hold for the
   results of / and %; no specific results are guaranteed.  */
long
std_eqn (long num, long denom, long quot, long rem)
{
  /* For completeness, a check for "ABS (rem) < ABS (denom)" belongs here,
     but causes trouble on 32-bit machines and isn't worthwhile.  */
  return quot * (-0x7fffffffL - 1L) + rem == num;
}
 
long nums[] =
{
  -1L, 0x7fffffffL, -0x7fffffffL - 1L
};
 
main ()
{
  int i;
 
  for (i = 0;
       i < sizeof (nums) / sizeof (nums[0]);
       i++)
    if (std_eqn (nums[i], -0x7fffffffL - 1L, f (nums[i]), r (nums[i])) == 0)
      abort ();
 
  exit (0);
}
 

Compare with Previous | Blame | View Log

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.