[Bug other/50582] Instruct GCC that added_clobbers_hard_reg_p shouldn't consider a specific register

[Paulo.Matos at csr dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50582

--- Comment #2 from Paulo J. Matos <Paulo.Matos at csr dot com> 2011-09-30 
15:57:21 UTC ---
Created attachment 25389
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25389
Patch for GCC 4.6.1 implementing suggested enhancement