Ping for the patch at http://gcc.gnu.org/ml/gcc-patches/2011-06/msg01595.html
> This patch requires > http://gcc.gnu.org/ml/gcc-patches/2011-05/msg02193.html > as a prerequisite, and supersedes > http://gcc.gnu.org/ml/gcc-patches/2011-05/msg02194.html > > The idea here is to allow regrename to operate across basic block > boundaries. This helps for targets that use sched_ebb (such as C6X), and > by exposing more chains, we also help on targets that can benefit from > PREFERRED_RENAME_CLASS (again, C6X). Bernd
