* loop.c (regs_patch_p): Add prototype.
        (add_label_notes, count_nonfixed_reads): Likewise.
        (find_single_use_in_loop): Likewise.
        (express_from): Surround prototype with #ifdef.
        (giv_sort): Similarly.
        * jump.c (mark_modified_reg): Add prototype.
        * haifa-sched.c (is_prisky): Add prototype.
        (queue_to_ready): Likewise.
        * genextract.c (gen_insn): Add prototype.
        * genemit.c (max_operand_1): Add prototype.
        (max_operand_vec, print_code, gen_exp, gen_insn): Likewise.
        (gen_expand, gen_explit, output_add_clobbers): Likewise.
        (output_init_mov_optab): Likewise.
        * genattrtab.c (attr_hash_add_rtx): Add prototype.
        (attr_hash_add_string, write_length_unit_log): Likewise.
        * genattr.c (init_range): Add prototype.
        * combine.c (sets_function_arg_p): Add prototype.

From-SVN: r19251