2009-03-09  Paolo Bonzini  <bonzini@gnu.org>

        * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
        Provide/destroy PROP_cfglayout respectively.
        * gcse.c (pass_jump_bypass, pass_gcse): Require it.
        * tree-pass.h (PROP_cfglayout): New.

From-SVN: r145282