[Bug libstdc++/52241] Performance degradation of 447.dealII on corei7 at spec2006_base32.

[paolo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52241

--- Comment #21 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> 
2012-02-20 21:08:55 UTC ---
Author: paolo
Date: Mon Feb 20 21:08:48 2012
New Revision: 184404

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=184404
Log:
2012-02-20  Paolo Carlini  <paolo.carl...@oracle.com>

    PR libstdc++/52241
    * src/c++98/tree.cc (local_Rb_tree_increment,
    local_Rb_tree_decrement): Add.
    (_Rb_tree_increment(const _Rb_tree_node_base*),
    _Rb_tree_decrement(const _Rb_tree_node_base*)): Use the latter.
    (_Rb_tree_increment(_Rb_tree_node_base*),
    _Rb_tree_decrement(_Rb_tree_node_base*)): New.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/src/c++98/tree.cc