[Bug rtl-optimization/17935] Two consecutive movzbl are generated

[dberlin at gcc dot gnu dot org]

-- 
Bug 17935 depends on bug 21520, which changed state.

Bug 21520 Summary: missing PRE opportunity with operand after operand
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21520

           What    |Old Value                   |New Value
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17935