[Bug rtl-optimization/19464] [3.3/3.4/4.0 Regression] gcse causes poor register allocation

[belyshev at depni dot sinp dot msu dot ru]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to fail|                            |3.3.5 3.4.4 4.0.0
      Known to work|                            |2.95.3 3.0.4
   Target Milestone|---                         |4.0.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19464