[PING^2][PATCH] Remove enum reg_class from rtl.h

[Anatoly Sokolov <aesok at post dot ru>]

Hello.

>   This patch change enum reg_class to reg_class_t type in function 
> declaration in rtl.h. This should allow reduce dependency middle end *.c 
> files from tm.h, when tm.h need to supply enum reg_class type for rtl.h only 
> (for example c-parser.c).

http://gcc.gnu.org/ml/gcc-patches/2010-10/msg02374.html

        * reginfo.c (setup_reg_classes, invalid_mode_change_p): Change
        arguments type from enum reg_class to reg_class_t.
        (reg_preferred_class, reg_alternate_class, reg_cover_class): Change
        result type from enum reg_class to reg_class_t.
        (struct reg_pref): Change prefclass, altclass and coverclass records
        type from char to reg_class_t.
        * rtl.h (reg_preferred_class, reg_alternate_class, reg_cover_class,
        setup_reg_classes, invalid_mode_change_p): Update prototype.
        * cfg.c (dump_reg_info): Change rclass and altclass variables type
        from enum reg_class to reg_class_t.
        * ira-build.c (update_conflict_hard_reg_costs): Change cover_class
        and pref variables type from enum reg_class to reg_class_t.
        (ira_allocate_cost_vector, ira_free_cost_vector): Change cover_class
        argument type from enum reg_class to reg_class_t.
        * ira-int.h (ira_allocate_and_set_costs): Change cover_class argument
        type from enum reg_class to reg_class_t.
        (ira_allocate_cost_vector, ira_free_cost_vector): Update prototupe.
        * ira-costs.c (find_costs_and_classes): Cast value returned by
        reg_preferred_class to enum reg_class. Change rclass variable type
        from int to reg_class_t.
        (print_allocno_costs, print_pseudo_costs): Change rclass variable
        type from int to reg_class_t.
        * ira.c (ira_bad_reload_regno_1): Use REG_P and HARD_REGISTER_NUM_P
        predicates. Change pref variable type from enum reg_class to
        reg_class_t.
        * regmove.c (regmove_backward_pass): Change src_class and dst_class
        variables type from enum reg_class to reg_class_t.
        * reload.c (find_reloads): Change preferred_class array and tclass
        variable type from enum reg_class to reg_class_t.
        * haifa-sched.c (sched_regno_cover_class): Change type to
        reg_class_t *.
        (mark_regno_birth_or_death): Change cover_class variable type
        from enum reg_class to reg_class_t. Use HARD_REGISTER_NUM_P
        predicate.
        (setup_insn_reg_pressure_info): Change cl variable type
        from enum reg_class to reg_class_t. Use HARD_REGISTER_NUM_P
        predicate.
        (sched_init): Change sched_regno_cover_class type to reg_class_t.
        Use HARD_REGISTER_NUM_P predicate.
        * sched-int.h (sched_regno_cover_class): Change type to
        reg_class_t *.
        * sched-deps.c (mark_insn_pseudo_birth, mark_insn_hard_regno_birth,
        mark_pseudo_death, mark_hard_regno_death): Change cl variable type
        from enum reg_class to reg_class_t. Use HARD_REGISTER_NUM_P
        predicate.
        * loop-invariant.c (get_inv_cost, change_pressure,
        calculate_loop_reg_pressure): Change cover_class variable type
        from enum reg_class to reg_class_t.
        (get_cover_class_and_nregs, get_regno_cover_class): Change result and
        cover_class variable types from enum reg_class to reg_class_t.


Anatoly.