+static rtx
+fr30_function_arg (CUMULATIVE_ARGS *cum, enum machine_mode mode,
+ const_tree type, bool named)
+{
+ if (!named
+ || fr30_must_pass_in_stack (mode, type)
+ || *cum >= FR30_NUM_ARG_REGS)
+ return NULL_RTX;
+ else
+ return gen_rtx_REG (mode, *cum + FIRST_ARG_REGNUM);
+}
+
+/* A C statement (sans semicolon) to update the summarizer variable CUM to
+ advance past an argument in the argument list. The values MODE, TYPE and
+ NAMED describe that argument. Once this is done, the variable CUM is
+ suitable for analyzing the *following* argument with `FUNCTION_ARG', etc.
+
+ This macro need not do anything if the argument in question was passed on
+ the stack. The compiler knows how to track the amount of stack space used
+ for arguments without any special help. */
+static void
+fr30_function_arg_advance (CUMULATIVE_ARGS *cum, enum machine_mode mode,
+ const_tree type, bool named)
+{
+ *cum += named * fr30_num_arg_regs (mode, type);
+}
+