r149011 - in /trunk/gcc: ChangeLog df-problems.c

[bonzini@gcc.gnu.org]

Author: bonzini
Date: Sat Jun 27 14:50:00 2009
New Revision: 149011

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=149011
Log:
2009-06-27  Paolo Bonzini  <bonzini@gnu.org>

        * df-problems.c (df_set_seen, df_unset_seen): Delete.
        (df_rd_local_compute, df_md_local_compute): Inline them.

        (df_md_scratch): New.
        (df_md_alloc, df_md_free): Allocate/free it.
        (df_md_local_compute): Only include live registers in init.
        (df_md_transfer_function): Prune the in-set computed by
        the confluence function, and the gen-set too.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/df-problems.c