dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.

dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.

        * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
        (size_of_locs): Set it.
        (output_loc_operands): Use it to compute branch displacement.
        (int_loc_descriptor): New.
        (mem_loc_descriptor): Dereference memory in the proper size.
        Use DW_OP_plus_uconst when possible.  Use int_loc_descriptor.
        (loc_descriptor_from_tree): New.
        (rtl_for_decl_location): Break out from ...
        (add_location_or_const_value_attribute): ... here.
        (add_bound_info): Use loc_descriptor_from_tree.

From-SVN: r37172