-extern void predict_insn_def PARAMS ((rtx, enum br_predictor,
- enum prediction));
-extern void predict_insn PARAMS ((rtx, enum br_predictor, int));
+extern void predict_insn_def (rtx, enum br_predictor, enum prediction);
+extern int counts_to_freqs (void);
+extern void estimate_bb_frequencies (void);
+extern const char *predictor_name (enum br_predictor);
+extern tree build_predict_expr (enum br_predictor, enum prediction);
+extern void tree_estimate_probability (void);
+extern void compute_function_frequency (void);
+extern void rebuild_frequencies (void);