xtensa-protos.h (non_acc_reg_operand): Remove.

xtensa-protos.h (non_acc_reg_operand): Remove.

	* config/xtensa/xtensa-protos.h (non_acc_reg_operand): Remove.
	(xtensa_valid_move, xtensa_preferred_reload_class): Define.
	* config/xtensa/xtensa.c (non_acc_reg_operand): Remove.
	(xtensa_valid_move, xtensa_preferred_reload_class): Define to
	prevent use of sp as a reload register.
	(xtensa_emit_move_sequence): Use xtensa_valid_move instead of
	non_acc_reg_operand.
	* config/xtensa/xtensa.h (PREDICATE_CODES): Remove non_acc_reg_operand.
	(PREFERRED_RELOAD_CLASS): Move code to xtensa_preferred_reload_class.
	* config/xtensa/xtensa.md (movsi_internal, movhi_internal,
	movqi_internal): Use xtensa_valid_move instead of non_acc_reg_operand.

From-SVN: r51201