Also change some internal variables and function arguments from int to bool.

gcc/ChangeLog:

    * reorg.cc (stop_search_p): Change return type from int to bool
    and adjust function body accordingly.
    (resource_conflicts_p): Ditto.
    (insn_references_resource_p): Change return type from int to bool.
    (insn_sets_resource_p): Ditto.
    (redirect_with_delay_slots_safe_p): Ditto.
    (condition_dominates_p): Change return type from int to bool
    and adjust function body accordingly.
    (redirect_with_delay_list_safe_p): Ditto.
    (check_annul_list_true_false): Ditto.  Change "annul_true_p"
    function argument to bool.
    (steal_delay_list_from_target): Change "pannul_p" function
    argument to bool pointer.  Change "must_annul" and "used_annul"
    variables from int to bool.
    (steal_delay_list_from_fallthrough): Ditto.
    (own_thread_p): Change return type from int to bool and adjust
    function body accordingly.  Change "allow_fallthrough" function
    argument to bool.
    (reorg_redirect_jump): Change return type from int to bool.
    (fill_simple_delay_slots): Change "non_jumps_p" function
    argument from int to bool.  Change "maybe_never" varible to bool.
    (fill_slots_from_thread): Change "likely", "thread_if_true" and
    "own_thread" function arguments to bool.  Change "lose" and
    "must_annul" variables to bool.
    (delete_from_delay_slot): Change "had_barrier" variable to bool.
    (try_merge_delay_insns): Change "annul_p" variable to bool.
    (fill_eager_delay_slots): Change "own_target" and "own_fallthrouhg"
    variables to bool.
    (rest_of_handle_delay_slots): Change return type from int to void
    and adjust function body accordingly.

Bootstrapped and regression tested on x86_64-linux-gnu {,-m32}.

Uros.