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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.c-torture/] [compile/] [pr20583.c] - Rev 297

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/* 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);
}
 

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