* sh-tdep.c (sh_justify_value_in_reg): New function.

	* sh-tdep.c (sh_justify_value_in_reg): New function.
	(sh_stack_allocsize): Ditto.
	(flt_argreg_array): New array used for floating point argument
	passing.
	(sh_init_flt_argreg): New function.
	(sh_next_flt_argreg): Ditto.
	(sh_push_dummy_call_fpu): Simplify. Rename "odd_sized_struct" to
	"pass_on_stack". Use new helper functions.  Accomodate Renesas ABI.
	Fix argument passing strategy.
	(sh_push_dummy_call_nofpu): Ditto.