[Bug middle-end/54154] cprop_hardreg generates redundant instructions

[Paulo.Matos at csr dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54154

--- Comment #1 from Paulo J. Matos <Paulo.Matos at csr dot com> 2012-08-01 
14:34:48 UTC ---
Created attachment 27923
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27923
After cprop_hardreg