(alpha_builtin_saveregs): Add to incoming args addr if less than 6

named args, not less than or equal to.

From-SVN: r9437

gcc/config/alpha/alpha.c

@@ -1144,7 +1144,7 @@ alpha_builtin_saveregs (arglist)
      order to account for the integer arg registers which are counted in
      argsize above, but which are not actually stored on the stack.  */
 
-  addr = (current_function_args_info <= 6
+  addr = (current_function_args_info <= 5
 	  ? plus_constant (virtual_incoming_args_rtx, 6 * UNITS_PER_WORD)
 	  : plus_constant (virtual_incoming_args_rtx, - (6 * UNITS_PER_WORD)));