r115932 - in /branches/out-of-ssa-the-sequel/gc...

[amacleod@gcc.gnu.org]

Author: amacleod
Date: Fri Aug  4 20:02:43 2006
New Revision: 115932

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=115932
Log:
Remove the refcount which is calculated by create_ssa_var_map and simply use
the immediate use data.

2006-08-04  Andrew MacLeod  <amacleod@redhat.com>

        * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
        to register_ssa_partition calls.
        * tree-ssa-live.c (register_ssa_partition): Remove prototype.
        (init_var_map, delete_var_map): remove refernces to ref_count.
        (create_ssa_var_map): Never calculate a ref count.
        * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
        (SSA_VAR_MAP_REF_COUNT): Delete.
        (create_ssa_var_map): Change Prototype to have no parameters.
        (version_ref_count): Delete.
        (register_ssa_partition): Remove 'is_use' paramater and don't set the
        ref_count vector.
        * tree-outof-ssa.c (check_replaceable): Use num_imm_uses.
        (rewrite_out_of_ssa): Never create a ref_count in the var_map.



Modified:
    branches/out-of-ssa-the-sequel/gcc/ChangeLog
    branches/out-of-ssa-the-sequel/gcc/tree-outof-ssa.c
    branches/out-of-ssa-the-sequel/gcc/tree-ssa-copyrename.c
    branches/out-of-ssa-the-sequel/gcc/tree-ssa-live.c
    branches/out-of-ssa-the-sequel/gcc/tree-ssa-live.h