515 #define IP(L, R, T)		\  argument
516 	ROL(R, 4);		\
518 	L ^= R;			\
520 	R ^= L;			\
522 	ROL(R, 12);		\
524 	L ^= R;			\
526 	R ^= L;			\
528 	ROR(R, 14);		\
530 	L ^= R;			\
532 	R ^= L;			\
534 	ROL(R, 6);		\
536 	L ^= R;			\
538 	R ^= L;			\
540 	ROR(R, 7);		\
542 	L ^= R;			\
544 	R ^= L;			\
548 #define FP(L, R, T)		\  argument
551 	L ^= R;			\
553 	R ^= L;			\
555 	ROL(R, 7);		\
557 	L ^= R;			\
559 	R ^= L;			\
561 	ROR(R, 6);		\
563 	L ^= R;			\
565 	R ^= L;			\
567 	ROL(R, 14);		\
569 	L ^= R;			\
571 	R ^= L;			\
573 	ROR(R, 12);		\
575 	L ^= R;			\
577 	R ^= L;			\
579 	ROR(R, 4);
581 #define ROUND(L, R, A, B, K, d)					\  argument
583 	B ^= R;				A ^= R;			\
783 	u32 L, R, A, B;  in des_encrypt()  local
787 	R = get_unaligned_le32(src + 4);  in des_encrypt()
789 	IP(L, R, A);  in des_encrypt()
791 		ROUND(L, R, A, B, K, 2);  in des_encrypt()
792 		ROUND(R, L, A, B, K, 2);  in des_encrypt()
794 	FP(R, L, A);  in des_encrypt()
796 	put_unaligned_le32(R, dst);  in des_encrypt()
804 	u32 L, R, A, B;  in des_decrypt()  local
808 	R = get_unaligned_le32(src + 4);  in des_decrypt()
810 	IP(L, R, A);  in des_decrypt()
812 		ROUND(L, R, A, B, K, -2);  in des_decrypt()
813 		ROUND(R, L, A, B, K, -2);  in des_decrypt()
815 	FP(R, L, A);  in des_decrypt()
817 	put_unaligned_le32(R, dst);  in des_decrypt()
846 	u32 L, R, A, B;  in des3_ede_encrypt()  local
850 	R = get_unaligned_le32(src + 4);  in des3_ede_encrypt()
852 	IP(L, R, A);  in des3_ede_encrypt()
854 		ROUND(L, R, A, B, K, 2);  in des3_ede_encrypt()
855 		ROUND(R, L, A, B, K, 2);  in des3_ede_encrypt()
858 		ROUND(R, L, A, B, K, 2);  in des3_ede_encrypt()
859 		ROUND(L, R, A, B, K, 2);  in des3_ede_encrypt()
862 		ROUND(L, R, A, B, K, 2);  in des3_ede_encrypt()
863 		ROUND(R, L, A, B, K, 2);  in des3_ede_encrypt()
865 	FP(R, L, A);  in des3_ede_encrypt()
867 	put_unaligned_le32(R, dst);  in des3_ede_encrypt()
875 	u32 L, R, A, B;  in des3_ede_decrypt()  local
879 	R = get_unaligned_le32(src + 4);  in des3_ede_decrypt()
881 	IP(L, R, A);  in des3_ede_decrypt()
883 		ROUND(L, R, A, B, K, -2);  in des3_ede_decrypt()
884 		ROUND(R, L, A, B, K, -2);  in des3_ede_decrypt()
887 		ROUND(R, L, A, B, K, -2);  in des3_ede_decrypt()
888 		ROUND(L, R, A, B, K, -2);  in des3_ede_decrypt()
891 		ROUND(L, R, A, B, K, -2);  in des3_ede_decrypt()
892 		ROUND(R, L, A, B, K, -2);  in des3_ede_decrypt()
894 	FP(R, L, A);  in des3_ede_decrypt()
896 	put_unaligned_le32(R, dst);  in des3_ede_decrypt()