Subversion Repositories openrisc

typedef union longlong

{

  struct {unsigned short h0, h1, h2, h3;} h;

  struct {signed long low, high;} si;

  struct {unsigned long low, high;} ui;

  signed long long sll;

  unsigned long long ull;

} long_long;

long long

__negdi2 (u)

     long long u;

{

  long_long uu;

  uu.sll = u;

  uu.si.low = -uu.si.low;

  if (uu.si.low == 0)

    uu.si.high = -uu.si.high;

  else

    uu.si.high = ~uu.si.high;

  return uu.sll;

}