* mips-tdep.c (mips_extract_return_value): Fix returning of

	* mips-tdep.c (mips_extract_return_value):  Fix returning of
	values whose length is less than the register size for big endian
	targets.
	* alpha-tdep.c (alpha_extract_return_value,
	alpha_store_return_value):  Use alpha_convert_register_to_*
	to handle functions returning "float" correctly.