sh.h (ROUND_TYPE_ALIGN, [...]): Complex modes are aligned like integral modes.

	* sh.h (ROUND_TYPE_ALIGN, LOCAL_ALIGNMENT): Complex modes
	are aligned like integral modes.
	(SH5_WOULD_BE_PARTIAL_NREGS): Also test for CDImode and DCmode.

	* sh.h (EXTRA_CONSTRAINT_Csy): Allow PIC_DIRECT_ADDR_P.
	(LEGITIMATE_PIC_OPERAND_P): Allow LABEL_REF.
	* sh.md (*pt): Remove.

	* sh.h (REG_ALLOC_ORDER): Avoid squandering call-saved registers.

	* sh.md (return_media_rte): New pattern.
	(return_media): Use it.

From-SVN: r68100