extern rtx rtx_alloc (RTX_CODE);
extern rtvec rtvec_alloc (int);
extern rtx copy_rtx (rtx);
+extern void dump_rtx_statistics (void);
/* In emit-rtl.c */
extern rtx copy_rtx_if_shared (rtx);
extern int subreg_realpart_p (rtx);
extern void reverse_comparison (rtx);
extern void set_new_first_and_last_insn (rtx, rtx);
-extern void set_new_first_and_last_label_num (int, int);
extern void set_new_last_label_num (int);
extern void unshare_all_rtl_again (rtx);
extern void unshare_all_rtl_in_chain (rtx);
/* In stmt.c */
extern void set_file_and_line_for_stmt (location_t);
extern void expand_null_return (void);
+extern void expand_naked_return (void);
extern void emit_jump (rtx);
extern int preserve_subexpressions_p (void);