[Bug rtl-optimization/50088] movzbl is generated instead of movl

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50088

--- Comment #6 from H.J. Lu <hjl.tools at gmail dot com> 2011-08-15 17:19:22 
UTC ---
Created attachment 25019
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25019
A patch