expr.c (emit_move_insn_1): Handle arbitrary moves that are the same size as a word.

	* expr.c (emit_move_insn_1): Handle arbitrary moves that are
	the same size as a word.

	* regrename.c (find_oldest_value_reg): Take WORDS_BIG_ENDIAN /
	BYTES_BIG_ENDIAN into account.

From-SVN: r55482