Subversion Repositories openrisc_2011-10-31

/* PR target/20583

   On m68k-none-elf, CSE used to generate

     (set (reg:HI ...)

          (const:HI (truncate:HI (minus:SI (label_ref ...)

                                           (label_ref ...)))))

   which output functions do not know how to handle.  Make sure that

   such a constant will be rejected.  */

void bar (unsigned int);

void

foo (void)

{

  char buf[1] = { 3 };

  const char *p = buf;

  const char **q = &p;

  unsigned int ch;

  switch (**q)

    {

    case 1:  ch = 5; break;

    case 2:  ch = 4; break;

    case 3:  ch = 3; break;

    case 4:  ch = 2; break;

    case 5:  ch = 1; break;

    default: ch = 0; break;

    }

  bar (ch);

}