[Bug tree-optimization/54077] [4.7/4.8 Regression] Bytemark FP EMULATION 44% slower than with clang

[wbrana at gmail dot com]

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  <ktietz@redhat.com>

            * tree-ssa-forwprop.c (simplify_bitwise_binary): Fix typo.

    2011-07-01  Kai Tietz  <ktietz@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