[Bug rtl-optimization/56151] [4.8 Regression] Performance degradation after r194054 on x86 Atom.

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56151

--- Comment #11 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-02-11 15:42:12 UTC ---
Created attachment 29419
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29419
gcc48-pr56151.patch

Untested patch, done in add_equal_note, so that the code doesn't have to be
duplicated between expand_binop_directly and expand_unop_directly.