[Bug tree-optimization/18892] missed optimization with & and ==

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-12-09 14:38 -------
(In reply to comment #4)
> when I compile this program with mainline.  Isnt this what you claimed it should
> be compiled to?  or are you claiming it should be optimized to 'return 0'?

I am claiming it should be compiled to "return 0".  The full testcase which is closer to
what shows up in GCC is:

void f(int a
{
  int i = a & -129;
  if (i == 144)
    link_error ();
]

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18892