-extern const char *rev_cond_name PARAMS ((rtx));
-extern void split_quadword_operands PARAMS ((rtx *, rtx *, int));
-extern void print_operand_address PARAMS ((FILE *, rtx));
-extern int vax_float_literal PARAMS ((rtx));
-extern int vax_address_cost PARAMS ((rtx));
-extern int vax_rtx_cost PARAMS ((rtx));
-extern int reg_was_0_p PARAMS ((rtx, rtx));
+extern const char *rev_cond_name (rtx);
+extern void split_quadword_operands (rtx *, rtx *, int);
+extern void print_operand_address (FILE *, rtx);
+extern int vax_float_literal (rtx);
+extern void vax_notice_update_cc (rtx, rtx);
+extern const char * vax_output_int_move (rtx, rtx *, enum machine_mode);
+extern const char * vax_output_int_add (rtx, rtx *, enum machine_mode);
+extern const char * vax_output_conditional_branch (enum rtx_code);