[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 #4 from Paulo J. Matos <Paulo.Matos at csr dot com> 2012-08-01 
15:01:29 UTC ---
Due to my last comment I marked this as a request for enhancement.