extern int arith11_operand PARAMS ((rtx, enum machine_mode));
extern int adddi3_operand PARAMS ((rtx, enum machine_mode));
extern int symbolic_expression_p PARAMS ((rtx));
-extern int hppa_address_cost PARAMS ((rtx));
extern int symbolic_memory_operand PARAMS ((rtx, enum machine_mode));
extern int pa_adjust_insn_length PARAMS ((rtx, int));
extern int int11_operand PARAMS ((rtx, enum machine_mode));