516 #define IP(L, R, T)		\  argument
518 	T  = L;			\
519 	L ^= R;			\
520 	L &= 0xf0f0f0f0;	\
521 	R ^= L;			\
522 	L ^= T;			\
524 	T  = L;			\
525 	L ^= R;			\
526 	L &= 0xffff0000;	\
527 	R ^= L;			\
528 	L ^= T;			\
530 	T  = L;			\
531 	L ^= R;			\
532 	L &= 0xcccccccc;	\
533 	R ^= L;			\
534 	L ^= T;			\
536 	T  = L;			\
537 	L ^= R;			\
538 	L &= 0xff00ff00;	\
539 	R ^= L;			\
540 	L ^= T;			\
542 	T  = L;			\
543 	L ^= R;			\
544 	L &= 0xaaaaaaaa;	\
545 	R ^= L;			\
546 	L ^= T;			\
547 	ROL(L, 1);
549 #define FP(L, R, T)		\  argument
550 	ROR(L, 1);		\
551 	T  = L;			\
552 	L ^= R;			\
553 	L &= 0xaaaaaaaa;	\
554 	R ^= L;			\
555 	L ^= T;			\
557 	T  = L;			\
558 	L ^= R;			\
559 	L &= 0xff00ff00;	\
560 	R ^= L;			\
561 	L ^= T;			\
563 	T  = L;			\
564 	L ^= R;			\
565 	L &= 0xcccccccc;	\
566 	R ^= L;			\
567 	L ^= T;			\
569 	T  = L;			\
570 	L ^= R;			\
571 	L &= 0xffff0000;	\
572 	R ^= L;			\
573 	L ^= T;			\
575 	T  = L;			\
576 	L ^= R;			\
577 	L &= 0xf0f0f0f0;	\
578 	R ^= L;			\
579 	L ^= T;			\
582 #define ROUND(L, R, A, B, K, d)					\  argument
586 	L ^= S8[0xff & B];		A &= 0x3f3f3f3f;	\
587 	L ^= S6[0xff & (B >> 8)];	B >>= 16;		\
588 	L ^= S7[0xff & A];					\
589 	L ^= S5[0xff & (A >> 8)];	A >>= 16;		\
590 	L ^= S4[0xff & B];					\
591 	L ^= S2[0xff & (B >> 8)];				\
592 	L ^= S3[0xff & A];					\
593 	L ^= S1[0xff & (A >> 8)];
784 	u32 L, R, A, B;  in des_encrypt()  local
787 	L = get_unaligned_le32(src);  in des_encrypt()
790 	IP(L, R, A);  in des_encrypt()
792 		ROUND(L, R, A, B, K, 2);  in des_encrypt()
793 		ROUND(R, L, A, B, K, 2);  in des_encrypt()
795 	FP(R, L, A);  in des_encrypt()
798 	put_unaligned_le32(L, dst + 4);  in des_encrypt()
805 	u32 L, R, A, B;  in des_decrypt()  local
808 	L = get_unaligned_le32(src);  in des_decrypt()
811 	IP(L, R, A);  in des_decrypt()
813 		ROUND(L, R, A, B, K, -2);  in des_decrypt()
814 		ROUND(R, L, A, B, K, -2);  in des_decrypt()
816 	FP(R, L, A);  in des_decrypt()
819 	put_unaligned_le32(L, dst + 4);  in des_decrypt()
847 	u32 L, R, A, B;  in des3_ede_encrypt()  local
850 	L = get_unaligned_le32(src);  in des3_ede_encrypt()
853 	IP(L, R, A);  in des3_ede_encrypt()
855 		ROUND(L, R, A, B, K, 2);  in des3_ede_encrypt()
856 		ROUND(R, L, A, B, K, 2);  in des3_ede_encrypt()
859 		ROUND(R, L, A, B, K, 2);  in des3_ede_encrypt()
860 		ROUND(L, R, A, B, K, 2);  in des3_ede_encrypt()
863 		ROUND(L, R, A, B, K, 2);  in des3_ede_encrypt()
864 		ROUND(R, L, A, B, K, 2);  in des3_ede_encrypt()
866 	FP(R, L, A);  in des3_ede_encrypt()
869 	put_unaligned_le32(L, dst + 4);  in des3_ede_encrypt()
876 	u32 L, R, A, B;  in des3_ede_decrypt()  local
879 	L = get_unaligned_le32(src);  in des3_ede_decrypt()
882 	IP(L, R, A);  in des3_ede_decrypt()
884 		ROUND(L, R, A, B, K, -2);  in des3_ede_decrypt()
885 		ROUND(R, L, A, B, K, -2);  in des3_ede_decrypt()
888 		ROUND(R, L, A, B, K, -2);  in des3_ede_decrypt()
889 		ROUND(L, R, A, B, K, -2);  in des3_ede_decrypt()
892 		ROUND(L, R, A, B, K, -2);  in des3_ede_decrypt()
893 		ROUND(R, L, A, B, K, -2);  in des3_ede_decrypt()
895 	FP(R, L, A);  in des3_ede_decrypt()
898 	put_unaligned_le32(L, dst + 4);  in des3_ede_decrypt()