ffi.c (ffi_call): Handle small structures correctly.

	* src/sh/ffi.c (ffi_call): Handle small structures correctly.
	Remove empty line.
	* src/sh64/ffi.c (simple_type): Remove.
	(return_type): Handle small structures correctly.
	(ffi_prep_args): Likewise.
	(ffi_call): Likewise.
	(ffi_closure_helper_SYSV): Likewise.
	* src/sh64/sysv.S (ffi_call_SYSV): Handle 1, 2 and 4-byte return.
	Emit position independent code if PIC and remove wrong datalabel
	prefixes from EH data.

From-SVN: r102210