x86/crypto/twofish-x86_64-asm_64-3way.S

1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3  * Twofish Cipher 3-way parallel algorithm (x86_64)
10 .file "twofish-x86_64-asm-3way.S"
22   3-way twofish
93 #define g1g2_3(ab, cd, Tx0, Tx1, Tx2, Tx3, Ty0, Ty1, Ty2, Ty3, x, y) \  argument
94 	/* G1,1 && G2,1 */ \
95 	do16bit_ror(32, mov, xor, Tx0, Tx1, RT0, x ## 0, ab ## 0, x ## 0); \
98 	do16bit_ror(32, mov, xor, Tx0, Tx1, RT0, x ## 1, ab ## 1, x ## 1); \
99 	do16bit_ror(48, mov, xor, Ty1, Ty2, RT0, y ## 1, ab ## 1, y ## 1); \
101 	do16bit_ror(32, mov, xor, Tx0, Tx1, RT0, x ## 2, ab ## 2, x ## 2); \
109 	do16bit_ror(32, xor, xor, Tx2, Tx3, RT0, RT1, ab ## 1, x ## 1); \
110 	do16bit_ror(16, xor, xor, Ty3, Ty0, RT0, RT1, ab ## 1, y ## 1); \
111 	swap_ab_with_cd(ab ## 1, cd ## 1, RT0); \
122 	addl k+4*(2*(n)+1)(CTX),	y ## d; \
124 	roll $1,			ab ## d; \
127 	rorl $1,			x ## d; \
134 	addl k+4*(2*(n)+1)(CTX),	y ## d; \
137 	roll $1,			ba ## d; \
140 	rorl $1,			y ## d; \
147 	enc_round_end(ab ## 1, RX1, RY1, n); \
154 	dec_round_end(ba ## 1, RX1, RY1, n); \
159 	encrypt_round3(ab, cd, (n*2)+1);
162 	decrypt_round3(ba, dc, (n*2)+1); \
179 	movq 4*(4+(n))(in),		xy ## 1; \
180 	xorq w+4*m(CTX),		xy ## 1; \
189 	xorq w+4*m(CTX),		xy ## 1; \
190 	op ## q xy ## 1,		4*(4+(n))(out); \
241 	encrypt_cycle3(RAB, CD, 1);
293 	decrypt_cycle3(RAB, CD, 1);