Subversion Repositories openrisc

/* Copyright (C) 2002  Free Software Foundation
 
   Check that constant folding of shift operations is working.
 
   Roger Sayle, 10th October 2002.  */
 
extern void abort (void);
extern void link_error (void);
 
void
utest (unsigned int x)
{
  if (x >> 0 != x)
    link_error ();
 
  if (x << 0 != x)
    link_error ();
 
  if (0 << x != 0)
    link_error ();
 
  if (0 >> x != 0)
    link_error ();
 
  if (-1 >> x != -1)
    link_error ();
 
  if (~0 >> x != ~0)
    link_error ();
}
 
void
stest (int x)
{
  if (x >> 0 != x)
    link_error ();
 
  if (x << 0 != x)
    link_error ();
 
  if (0 << x != 0)
    link_error ();
 
  if (0 >> x != 0)
    link_error ();
 
  if (-1 >> x != -1)
    link_error ();
 
  if (~0 >> x != ~0)
    link_error ();
}
 
int
main ()
{
  utest(9);
  utest(0);
 
  stest(9);
  stest(0);
 
  return 0;
}
 
#ifndef __OPTIMIZE__
void
link_error ()
{
  abort ();
}
#endif