mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous delta.

        * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
        delta.

From-SVN: r156767

gcc/ChangeLog

+2010-02-15  Nick Clifton  <nickc@redhat.com>
+
+	* config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
+	delta.
+
 2010-02-14  Marco Poletti  <poletti.marco@gmail.com>
 
 	* intl.c (fake_ngettext): New function.

gcc/config/mn10300/mn10300.h

@@ -514,7 +514,7 @@ enum reg_class {
 /* 1 if N is a possible register number for function argument passing.
    On the MN10300, d0 and d1 are used in this way.  */
 
-#define FUNCTION_ARG_REGNO_P(N) ((N) <= 2)
+#define FUNCTION_ARG_REGNO_P(N) ((N) <= 1)
 
 
 /* Define a data type for recording info about an argument list