[Bug tree-optimization/15256] [tree-ssa] Optimize manual bitfield manipilation.

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-05-01 
04:16 -------
If fold optimized the following function:

unsigned int
foo (unsigned int eax)
{
  return (eax & 1) ^ 1 | (eax & 0xfffffffe);
}

Then the tree combiner might be able to optimize the orginal one.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
OtherBugsDependingO|19466                       |15459, 19987
              nThis|                            |
   Last reconfirmed|2004-11-22 02:00:52         |2005-05-01 04:16:44
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15256