view gcc/config/divmod.c @ 42:9e4f9e20b8f1

add some examples.
author kent@teto.cr.ie.u-ryukyu.ac.jp
date Mon, 25 Jan 2010 17:13:59 +0900
parents a06113de4d67
children 77e2b8dfacca
line wrap: on
line source

long udivmodsi4 ();

long
__divsi3 (long a, long b)
{
  int neg = 0;
  long res;

  if (a < 0)
    {
      a = -a;
      neg = !neg;
    }

  if (b < 0)
    {
      b = -b;
      neg = !neg;
    }

  res = udivmodsi4 (a, b, 0);

  if (neg)
    res = -res;

  return res;
}

long
__modsi3 (long a, long b)
{
  int neg = 0;
  long res;

  if (a < 0)
    {
      a = -a;
      neg = 1;
    }

  if (b < 0)
    b = -b;

  res = udivmodsi4 (a, b, 1);

  if (neg)
    res = -res;

  return res;
}