http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54077
--- Comment #8 from wbrana <wbrana at gmail dot com> 2012-08-01 10:59:46 UTC --- If I didn't make mistake it seems big slow down is caused by revision 175752 Date: Fri Jul 1 10:00:25 2011 +0000 2011-07-01 Kai Tietz <kti...@redhat.com> * tree-ssa-forwprop.c (simplify_bitwise_binary): Fix typo. 2011-07-01 Kai Tietz <kti...@redhat.com> * gcc.dg/tree-ssa/bitwise-sink.c: New test. 175751 FP EMULATION : 318.76 : 152.96 : 35.29 175752 FP EMULATION : 227.68 : 109.25 : 25.21