xref: /linux/arch/x86/crypto/serpent-avx2-asm_64.S (revision e5c86679d5e864947a52fb31e45a425dea3e7fa9) 
1/*
2 * x86_64/AVX2 assembler optimized version of Serpent
3 *
4 * Copyright © 2012-2013 Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
5 *
6 * Based on AVX assembler implementation of Serpent by:
7 *  Copyright © 2012 Johannes Goetzfried
8 *      <Johannes.Goetzfried@informatik.stud.uni-erlangen.de>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 */
16
17#include <linux/linkage.h>
18#include <asm/frame.h>
19#include "glue_helper-asm-avx2.S"
20
21.file "serpent-avx2-asm_64.S"
22
23.section	.rodata.cst16.bswap128_mask, "aM", @progbits, 16
24.align 16
25.Lbswap128_mask:
26	.byte 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0
27
28.section	.rodata.cst16.xts_gf128mul_and_shl1_mask_0, "aM", @progbits, 16
29.align 16
30.Lxts_gf128mul_and_shl1_mask_0:
31	.byte 0x87, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0
32
33.section	.rodata.cst16.xts_gf128mul_and_shl1_mask_1, "aM", @progbits, 16
34.align 16
35.Lxts_gf128mul_and_shl1_mask_1:
36	.byte 0x0e, 1, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0
37
38.text
39
40#define CTX %rdi
41
42#define RNOT %ymm0
43#define tp  %ymm1
44
45#define RA1 %ymm2
46#define RA2 %ymm3
47#define RB1 %ymm4
48#define RB2 %ymm5
49#define RC1 %ymm6
50#define RC2 %ymm7
51#define RD1 %ymm8
52#define RD2 %ymm9
53#define RE1 %ymm10
54#define RE2 %ymm11
55
56#define RK0 %ymm12
57#define RK1 %ymm13
58#define RK2 %ymm14
59#define RK3 %ymm15
60
61#define RK0x %xmm12
62#define RK1x %xmm13
63#define RK2x %xmm14
64#define RK3x %xmm15
65
66#define S0_1(x0, x1, x2, x3, x4)      \
67	vpor		x0,   x3, tp; \
68	vpxor		x3,   x0, x0; \
69	vpxor		x2,   x3, x4; \
70	vpxor		RNOT, x4, x4; \
71	vpxor		x1,   tp, x3; \
72	vpand		x0,   x1, x1; \
73	vpxor		x4,   x1, x1; \
74	vpxor		x0,   x2, x2;
75#define S0_2(x0, x1, x2, x3, x4)      \
76	vpxor		x3,   x0, x0; \
77	vpor		x0,   x4, x4; \
78	vpxor		x2,   x0, x0; \
79	vpand		x1,   x2, x2; \
80	vpxor		x2,   x3, x3; \
81	vpxor		RNOT, x1, x1; \
82	vpxor		x4,   x2, x2; \
83	vpxor		x2,   x1, x1;
84
85#define S1_1(x0, x1, x2, x3, x4)      \
86	vpxor		x0,   x1, tp; \
87	vpxor		x3,   x0, x0; \
88	vpxor		RNOT, x3, x3; \
89	vpand		tp,   x1, x4; \
90	vpor		tp,   x0, x0; \
91	vpxor		x2,   x3, x3; \
92	vpxor		x3,   x0, x0; \
93	vpxor		x3,   tp, x1;
94#define S1_2(x0, x1, x2, x3, x4)      \
95	vpxor		x4,   x3, x3; \
96	vpor		x4,   x1, x1; \
97	vpxor		x2,   x4, x4; \
98	vpand		x0,   x2, x2; \
99	vpxor		x1,   x2, x2; \
100	vpor		x0,   x1, x1; \
101	vpxor		RNOT, x0, x0; \
102	vpxor		x2,   x0, x0; \
103	vpxor		x1,   x4, x4;
104
105#define S2_1(x0, x1, x2, x3, x4)      \
106	vpxor		RNOT, x3, x3; \
107	vpxor		x0,   x1, x1; \
108	vpand		x2,   x0, tp; \
109	vpxor		x3,   tp, tp; \
110	vpor		x0,   x3, x3; \
111	vpxor		x1,   x2, x2; \
112	vpxor		x1,   x3, x3; \
113	vpand		tp,   x1, x1;
114#define S2_2(x0, x1, x2, x3, x4)      \
115	vpxor		x2,   tp, tp; \
116	vpand		x3,   x2, x2; \
117	vpor		x1,   x3, x3; \
118	vpxor		RNOT, tp, tp; \
119	vpxor		tp,   x3, x3; \
120	vpxor		tp,   x0, x4; \
121	vpxor		x2,   tp, x0; \
122	vpor		x2,   x1, x1;
123
124#define S3_1(x0, x1, x2, x3, x4)      \
125	vpxor		x3,   x1, tp; \
126	vpor		x0,   x3, x3; \
127	vpand		x0,   x1, x4; \
128	vpxor		x2,   x0, x0; \
129	vpxor		tp,   x2, x2; \
130	vpand		x3,   tp, x1; \
131	vpxor		x3,   x2, x2; \
132	vpor		x4,   x0, x0; \
133	vpxor		x3,   x4, x4;
134#define S3_2(x0, x1, x2, x3, x4)      \
135	vpxor		x0,   x1, x1; \
136	vpand		x3,   x0, x0; \
137	vpand		x4,   x3, x3; \
138	vpxor		x2,   x3, x3; \
139	vpor		x1,   x4, x4; \
140	vpand		x1,   x2, x2; \
141	vpxor		x3,   x4, x4; \
142	vpxor		x3,   x0, x0; \
143	vpxor		x2,   x3, x3;
144
145#define S4_1(x0, x1, x2, x3, x4)      \
146	vpand		x0,   x3, tp; \
147	vpxor		x3,   x0, x0; \
148	vpxor		x2,   tp, tp; \
149	vpor		x3,   x2, x2; \
150	vpxor		x1,   x0, x0; \
151	vpxor		tp,   x3, x4; \
152	vpor		x0,   x2, x2; \
153	vpxor		x1,   x2, x2;
154#define S4_2(x0, x1, x2, x3, x4)      \
155	vpand		x0,   x1, x1; \
156	vpxor		x4,   x1, x1; \
157	vpand		x2,   x4, x4; \
158	vpxor		tp,   x2, x2; \
159	vpxor		x0,   x4, x4; \
160	vpor		x1,   tp, x3; \
161	vpxor		RNOT, x1, x1; \
162	vpxor		x0,   x3, x3;
163
164#define S5_1(x0, x1, x2, x3, x4)      \
165	vpor		x0,   x1, tp; \
166	vpxor		tp,   x2, x2; \
167	vpxor		RNOT, x3, x3; \
168	vpxor		x0,   x1, x4; \
169	vpxor		x2,   x0, x0; \
170	vpand		x4,   tp, x1; \
171	vpor		x3,   x4, x4; \
172	vpxor		x0,   x4, x4;
173#define S5_2(x0, x1, x2, x3, x4)      \
174	vpand		x3,   x0, x0; \
175	vpxor		x3,   x1, x1; \
176	vpxor		x2,   x3, x3; \
177	vpxor		x1,   x0, x0; \
178	vpand		x4,   x2, x2; \
179	vpxor		x2,   x1, x1; \
180	vpand		x0,   x2, x2; \
181	vpxor		x2,   x3, x3;
182
183#define S6_1(x0, x1, x2, x3, x4)      \
184	vpxor		x0,   x3, x3; \
185	vpxor		x2,   x1, tp; \
186	vpxor		x0,   x2, x2; \
187	vpand		x3,   x0, x0; \
188	vpor		x3,   tp, tp; \
189	vpxor		RNOT, x1, x4; \
190	vpxor		tp,   x0, x0; \
191	vpxor		x2,   tp, x1;
192#define S6_2(x0, x1, x2, x3, x4)      \
193	vpxor		x4,   x3, x3; \
194	vpxor		x0,   x4, x4; \
195	vpand		x0,   x2, x2; \
196	vpxor		x1,   x4, x4; \
197	vpxor		x3,   x2, x2; \
198	vpand		x1,   x3, x3; \
199	vpxor		x0,   x3, x3; \
200	vpxor		x2,   x1, x1;
201
202#define S7_1(x0, x1, x2, x3, x4)      \
203	vpxor		RNOT, x1, tp; \
204	vpxor		RNOT, x0, x0; \
205	vpand		x2,   tp, x1; \
206	vpxor		x3,   x1, x1; \
207	vpor		tp,   x3, x3; \
208	vpxor		x2,   tp, x4; \
209	vpxor		x3,   x2, x2; \
210	vpxor		x0,   x3, x3; \
211	vpor		x1,   x0, x0;
212#define S7_2(x0, x1, x2, x3, x4)      \
213	vpand		x0,   x2, x2; \
214	vpxor		x4,   x0, x0; \
215	vpxor		x3,   x4, x4; \
216	vpand		x0,   x3, x3; \
217	vpxor		x1,   x4, x4; \
218	vpxor		x4,   x2, x2; \
219	vpxor		x1,   x3, x3; \
220	vpor		x0,   x4, x4; \
221	vpxor		x1,   x4, x4;
222
223#define SI0_1(x0, x1, x2, x3, x4)     \
224	vpxor		x0,   x1, x1; \
225	vpor		x1,   x3, tp; \
226	vpxor		x1,   x3, x4; \
227	vpxor		RNOT, x0, x0; \
228	vpxor		tp,   x2, x2; \
229	vpxor		x0,   tp, x3; \
230	vpand		x1,   x0, x0; \
231	vpxor		x2,   x0, x0;
232#define SI0_2(x0, x1, x2, x3, x4)     \
233	vpand		x3,   x2, x2; \
234	vpxor		x4,   x3, x3; \
235	vpxor		x3,   x2, x2; \
236	vpxor		x3,   x1, x1; \
237	vpand		x0,   x3, x3; \
238	vpxor		x0,   x1, x1; \
239	vpxor		x2,   x0, x0; \
240	vpxor		x3,   x4, x4;
241
242#define SI1_1(x0, x1, x2, x3, x4)     \
243	vpxor		x3,   x1, x1; \
244	vpxor		x2,   x0, tp; \
245	vpxor		RNOT, x2, x2; \
246	vpor		x1,   x0, x4; \
247	vpxor		x3,   x4, x4; \
248	vpand		x1,   x3, x3; \
249	vpxor		x2,   x1, x1; \
250	vpand		x4,   x2, x2;
251#define SI1_2(x0, x1, x2, x3, x4)     \
252	vpxor		x1,   x4, x4; \
253	vpor		x3,   x1, x1; \
254	vpxor		tp,   x3, x3; \
255	vpxor		tp,   x2, x2; \
256	vpor		x4,   tp, x0; \
257	vpxor		x4,   x2, x2; \
258	vpxor		x0,   x1, x1; \
259	vpxor		x1,   x4, x4;
260
261#define SI2_1(x0, x1, x2, x3, x4)     \
262	vpxor		x1,   x2, x2; \
263	vpxor		RNOT, x3, tp; \
264	vpor		x2,   tp, tp; \
265	vpxor		x3,   x2, x2; \
266	vpxor		x0,   x3, x4; \
267	vpxor		x1,   tp, x3; \
268	vpor		x2,   x1, x1; \
269	vpxor		x0,   x2, x2;
270#define SI2_2(x0, x1, x2, x3, x4)     \
271	vpxor		x4,   x1, x1; \
272	vpor		x3,   x4, x4; \
273	vpxor		x3,   x2, x2; \
274	vpxor		x2,   x4, x4; \
275	vpand		x1,   x2, x2; \
276	vpxor		x3,   x2, x2; \
277	vpxor		x4,   x3, x3; \
278	vpxor		x0,   x4, x4;
279
280#define SI3_1(x0, x1, x2, x3, x4)     \
281	vpxor		x1,   x2, x2; \
282	vpand		x2,   x1, tp; \
283	vpxor		x0,   tp, tp; \
284	vpor		x1,   x0, x0; \
285	vpxor		x3,   x1, x4; \
286	vpxor		x3,   x0, x0; \
287	vpor		tp,   x3, x3; \
288	vpxor		x2,   tp, x1;
289#define SI3_2(x0, x1, x2, x3, x4)     \
290	vpxor		x3,   x1, x1; \
291	vpxor		x2,   x0, x0; \
292	vpxor		x3,   x2, x2; \
293	vpand		x1,   x3, x3; \
294	vpxor		x0,   x1, x1; \
295	vpand		x2,   x0, x0; \
296	vpxor		x3,   x4, x4; \
297	vpxor		x0,   x3, x3; \
298	vpxor		x1,   x0, x0;
299
300#define SI4_1(x0, x1, x2, x3, x4)     \
301	vpxor		x3,   x2, x2; \
302	vpand		x1,   x0, tp; \
303	vpxor		x2,   tp, tp; \
304	vpor		x3,   x2, x2; \
305	vpxor		RNOT, x0, x4; \
306	vpxor		tp,   x1, x1; \
307	vpxor		x2,   tp, x0; \
308	vpand		x4,   x2, x2;
309#define SI4_2(x0, x1, x2, x3, x4)     \
310	vpxor		x0,   x2, x2; \
311	vpor		x4,   x0, x0; \
312	vpxor		x3,   x0, x0; \
313	vpand		x2,   x3, x3; \
314	vpxor		x3,   x4, x4; \
315	vpxor		x1,   x3, x3; \
316	vpand		x0,   x1, x1; \
317	vpxor		x1,   x4, x4; \
318	vpxor		x3,   x0, x0;
319
320#define SI5_1(x0, x1, x2, x3, x4)     \
321	vpor		x2,   x1, tp; \
322	vpxor		x1,   x2, x2; \
323	vpxor		x3,   tp, tp; \
324	vpand		x1,   x3, x3; \
325	vpxor		x3,   x2, x2; \
326	vpor		x0,   x3, x3; \
327	vpxor		RNOT, x0, x0; \
328	vpxor		x2,   x3, x3; \
329	vpor		x0,   x2, x2;
330#define SI5_2(x0, x1, x2, x3, x4)     \
331	vpxor		tp,   x1, x4; \
332	vpxor		x4,   x2, x2; \
333	vpand		x0,   x4, x4; \
334	vpxor		tp,   x0, x0; \
335	vpxor		x3,   tp, x1; \
336	vpand		x2,   x0, x0; \
337	vpxor		x3,   x2, x2; \
338	vpxor		x2,   x0, x0; \
339	vpxor		x4,   x2, x2; \
340	vpxor		x3,   x4, x4;
341
342#define SI6_1(x0, x1, x2, x3, x4)     \
343	vpxor		x2,   x0, x0; \
344	vpand		x3,   x0, tp; \
345	vpxor		x3,   x2, x2; \
346	vpxor		x2,   tp, tp; \
347	vpxor		x1,   x3, x3; \
348	vpor		x0,   x2, x2; \
349	vpxor		x3,   x2, x2; \
350	vpand		tp,   x3, x3;
351#define SI6_2(x0, x1, x2, x3, x4)     \
352	vpxor		RNOT, tp, tp; \
353	vpxor		x1,   x3, x3; \
354	vpand		x2,   x1, x1; \
355	vpxor		tp,   x0, x4; \
356	vpxor		x4,   x3, x3; \
357	vpxor		x2,   x4, x4; \
358	vpxor		x1,   tp, x0; \
359	vpxor		x0,   x2, x2;
360
361#define SI7_1(x0, x1, x2, x3, x4)     \
362	vpand		x0,   x3, tp; \
363	vpxor		x2,   x0, x0; \
364	vpor		x3,   x2, x2; \
365	vpxor		x1,   x3, x4; \
366	vpxor		RNOT, x0, x0; \
367	vpor		tp,   x1, x1; \
368	vpxor		x0,   x4, x4; \
369	vpand		x2,   x0, x0; \
370	vpxor		x1,   x0, x0;
371#define SI7_2(x0, x1, x2, x3, x4)     \
372	vpand		x2,   x1, x1; \
373	vpxor		x2,   tp, x3; \
374	vpxor		x3,   x4, x4; \
375	vpand		x3,   x2, x2; \
376	vpor		x0,   x3, x3; \
377	vpxor		x4,   x1, x1; \
378	vpxor		x4,   x3, x3; \
379	vpand		x0,   x4, x4; \
380	vpxor		x2,   x4, x4;
381
382#define get_key(i,j,t) \
383	vpbroadcastd (4*(i)+(j))*4(CTX), t;
384
385#define K2(x0, x1, x2, x3, x4, i) \
386	get_key(i, 0, RK0); \
387	get_key(i, 1, RK1); \
388	get_key(i, 2, RK2); \
389	get_key(i, 3, RK3); \
390	vpxor RK0,	x0 ## 1, x0 ## 1; \
391	vpxor RK1,	x1 ## 1, x1 ## 1; \
392	vpxor RK2,	x2 ## 1, x2 ## 1; \
393	vpxor RK3,	x3 ## 1, x3 ## 1; \
394		vpxor RK0,	x0 ## 2, x0 ## 2; \
395		vpxor RK1,	x1 ## 2, x1 ## 2; \
396		vpxor RK2,	x2 ## 2, x2 ## 2; \
397		vpxor RK3,	x3 ## 2, x3 ## 2;
398
399#define LK2(x0, x1, x2, x3, x4, i) \
400	vpslld $13,		x0 ## 1, x4 ## 1;          \
401	vpsrld $(32 - 13),	x0 ## 1, x0 ## 1;          \
402	vpor			x4 ## 1, x0 ## 1, x0 ## 1; \
403	vpxor			x0 ## 1, x1 ## 1, x1 ## 1; \
404	vpslld $3,		x2 ## 1, x4 ## 1;          \
405	vpsrld $(32 - 3),	x2 ## 1, x2 ## 1;          \
406	vpor			x4 ## 1, x2 ## 1, x2 ## 1; \
407	vpxor			x2 ## 1, x1 ## 1, x1 ## 1; \
408		vpslld $13,		x0 ## 2, x4 ## 2;          \
409		vpsrld $(32 - 13),	x0 ## 2, x0 ## 2;          \
410		vpor			x4 ## 2, x0 ## 2, x0 ## 2; \
411		vpxor			x0 ## 2, x1 ## 2, x1 ## 2; \
412		vpslld $3,		x2 ## 2, x4 ## 2;          \
413		vpsrld $(32 - 3),	x2 ## 2, x2 ## 2;          \
414		vpor			x4 ## 2, x2 ## 2, x2 ## 2; \
415		vpxor			x2 ## 2, x1 ## 2, x1 ## 2; \
416	vpslld $1,		x1 ## 1, x4 ## 1;          \
417	vpsrld $(32 - 1),	x1 ## 1, x1 ## 1;          \
418	vpor			x4 ## 1, x1 ## 1, x1 ## 1; \
419	vpslld $3,		x0 ## 1, x4 ## 1;          \
420	vpxor			x2 ## 1, x3 ## 1, x3 ## 1; \
421	vpxor			x4 ## 1, x3 ## 1, x3 ## 1; \
422	get_key(i, 1, RK1); \
423		vpslld $1,		x1 ## 2, x4 ## 2;          \
424		vpsrld $(32 - 1),	x1 ## 2, x1 ## 2;          \
425		vpor			x4 ## 2, x1 ## 2, x1 ## 2; \
426		vpslld $3,		x0 ## 2, x4 ## 2;          \
427		vpxor			x2 ## 2, x3 ## 2, x3 ## 2; \
428		vpxor			x4 ## 2, x3 ## 2, x3 ## 2; \
429		get_key(i, 3, RK3); \
430	vpslld $7,		x3 ## 1, x4 ## 1;          \
431	vpsrld $(32 - 7),	x3 ## 1, x3 ## 1;          \
432	vpor			x4 ## 1, x3 ## 1, x3 ## 1; \
433	vpslld $7,		x1 ## 1, x4 ## 1;          \
434	vpxor			x1 ## 1, x0 ## 1, x0 ## 1; \
435	vpxor			x3 ## 1, x0 ## 1, x0 ## 1; \
436	vpxor			x3 ## 1, x2 ## 1, x2 ## 1; \
437	vpxor			x4 ## 1, x2 ## 1, x2 ## 1; \
438	get_key(i, 0, RK0); \
439		vpslld $7,		x3 ## 2, x4 ## 2;          \
440		vpsrld $(32 - 7),	x3 ## 2, x3 ## 2;          \
441		vpor			x4 ## 2, x3 ## 2, x3 ## 2; \
442		vpslld $7,		x1 ## 2, x4 ## 2;          \
443		vpxor			x1 ## 2, x0 ## 2, x0 ## 2; \
444		vpxor			x3 ## 2, x0 ## 2, x0 ## 2; \
445		vpxor			x3 ## 2, x2 ## 2, x2 ## 2; \
446		vpxor			x4 ## 2, x2 ## 2, x2 ## 2; \
447		get_key(i, 2, RK2); \
448	vpxor			RK1, x1 ## 1, x1 ## 1;     \
449	vpxor			RK3, x3 ## 1, x3 ## 1;     \
450	vpslld $5,		x0 ## 1, x4 ## 1;          \
451	vpsrld $(32 - 5),	x0 ## 1, x0 ## 1;          \
452	vpor			x4 ## 1, x0 ## 1, x0 ## 1; \
453	vpslld $22,		x2 ## 1, x4 ## 1;          \
454	vpsrld $(32 - 22),	x2 ## 1, x2 ## 1;          \
455	vpor			x4 ## 1, x2 ## 1, x2 ## 1; \
456	vpxor			RK0, x0 ## 1, x0 ## 1;     \
457	vpxor			RK2, x2 ## 1, x2 ## 1;     \
458		vpxor			RK1, x1 ## 2, x1 ## 2;     \
459		vpxor			RK3, x3 ## 2, x3 ## 2;     \
460		vpslld $5,		x0 ## 2, x4 ## 2;          \
461		vpsrld $(32 - 5),	x0 ## 2, x0 ## 2;          \
462		vpor			x4 ## 2, x0 ## 2, x0 ## 2; \
463		vpslld $22,		x2 ## 2, x4 ## 2;          \
464		vpsrld $(32 - 22),	x2 ## 2, x2 ## 2;          \
465		vpor			x4 ## 2, x2 ## 2, x2 ## 2; \
466		vpxor			RK0, x0 ## 2, x0 ## 2;     \
467		vpxor			RK2, x2 ## 2, x2 ## 2;
468
469#define KL2(x0, x1, x2, x3, x4, i) \
470	vpxor			RK0, x0 ## 1, x0 ## 1;     \
471	vpxor			RK2, x2 ## 1, x2 ## 1;     \
472	vpsrld $5,		x0 ## 1, x4 ## 1;          \
473	vpslld $(32 - 5),	x0 ## 1, x0 ## 1;          \
474	vpor			x4 ## 1, x0 ## 1, x0 ## 1; \
475	vpxor			RK3, x3 ## 1, x3 ## 1;     \
476	vpxor			RK1, x1 ## 1, x1 ## 1;     \
477	vpsrld $22,		x2 ## 1, x4 ## 1;          \
478	vpslld $(32 - 22),	x2 ## 1, x2 ## 1;          \
479	vpor			x4 ## 1, x2 ## 1, x2 ## 1; \
480	vpxor			x3 ## 1, x2 ## 1, x2 ## 1; \
481		vpxor			RK0, x0 ## 2, x0 ## 2;     \
482		vpxor			RK2, x2 ## 2, x2 ## 2;     \
483		vpsrld $5,		x0 ## 2, x4 ## 2;          \
484		vpslld $(32 - 5),	x0 ## 2, x0 ## 2;          \
485		vpor			x4 ## 2, x0 ## 2, x0 ## 2; \
486		vpxor			RK3, x3 ## 2, x3 ## 2;     \
487		vpxor			RK1, x1 ## 2, x1 ## 2;     \
488		vpsrld $22,		x2 ## 2, x4 ## 2;          \
489		vpslld $(32 - 22),	x2 ## 2, x2 ## 2;          \
490		vpor			x4 ## 2, x2 ## 2, x2 ## 2; \
491		vpxor			x3 ## 2, x2 ## 2, x2 ## 2; \
492	vpxor			x3 ## 1, x0 ## 1, x0 ## 1; \
493	vpslld $7,		x1 ## 1, x4 ## 1;          \
494	vpxor			x1 ## 1, x0 ## 1, x0 ## 1; \
495	vpxor			x4 ## 1, x2 ## 1, x2 ## 1; \
496	vpsrld $1,		x1 ## 1, x4 ## 1;          \
497	vpslld $(32 - 1),	x1 ## 1, x1 ## 1;          \
498	vpor			x4 ## 1, x1 ## 1, x1 ## 1; \
499		vpxor			x3 ## 2, x0 ## 2, x0 ## 2; \
500		vpslld $7,		x1 ## 2, x4 ## 2;          \
501		vpxor			x1 ## 2, x0 ## 2, x0 ## 2; \
502		vpxor			x4 ## 2, x2 ## 2, x2 ## 2; \
503		vpsrld $1,		x1 ## 2, x4 ## 2;          \
504		vpslld $(32 - 1),	x1 ## 2, x1 ## 2;          \
505		vpor			x4 ## 2, x1 ## 2, x1 ## 2; \
506	vpsrld $7,		x3 ## 1, x4 ## 1;          \
507	vpslld $(32 - 7),	x3 ## 1, x3 ## 1;          \
508	vpor			x4 ## 1, x3 ## 1, x3 ## 1; \
509	vpxor			x0 ## 1, x1 ## 1, x1 ## 1; \
510	vpslld $3,		x0 ## 1, x4 ## 1;          \
511	vpxor			x4 ## 1, x3 ## 1, x3 ## 1; \
512		vpsrld $7,		x3 ## 2, x4 ## 2;          \
513		vpslld $(32 - 7),	x3 ## 2, x3 ## 2;          \
514		vpor			x4 ## 2, x3 ## 2, x3 ## 2; \
515		vpxor			x0 ## 2, x1 ## 2, x1 ## 2; \
516		vpslld $3,		x0 ## 2, x4 ## 2;          \
517		vpxor			x4 ## 2, x3 ## 2, x3 ## 2; \
518	vpsrld $13,		x0 ## 1, x4 ## 1;          \
519	vpslld $(32 - 13),	x0 ## 1, x0 ## 1;          \
520	vpor			x4 ## 1, x0 ## 1, x0 ## 1; \
521	vpxor			x2 ## 1, x1 ## 1, x1 ## 1; \
522	vpxor			x2 ## 1, x3 ## 1, x3 ## 1; \
523	vpsrld $3,		x2 ## 1, x4 ## 1;          \
524	vpslld $(32 - 3),	x2 ## 1, x2 ## 1;          \
525	vpor			x4 ## 1, x2 ## 1, x2 ## 1; \
526		vpsrld $13,		x0 ## 2, x4 ## 2;          \
527		vpslld $(32 - 13),	x0 ## 2, x0 ## 2;          \
528		vpor			x4 ## 2, x0 ## 2, x0 ## 2; \
529		vpxor			x2 ## 2, x1 ## 2, x1 ## 2; \
530		vpxor			x2 ## 2, x3 ## 2, x3 ## 2; \
531		vpsrld $3,		x2 ## 2, x4 ## 2;          \
532		vpslld $(32 - 3),	x2 ## 2, x2 ## 2;          \
533		vpor			x4 ## 2, x2 ## 2, x2 ## 2;
534
535#define S(SBOX, x0, x1, x2, x3, x4) \
536	SBOX ## _1(x0 ## 1, x1 ## 1, x2 ## 1, x3 ## 1, x4 ## 1); \
537	SBOX ## _2(x0 ## 1, x1 ## 1, x2 ## 1, x3 ## 1, x4 ## 1); \
538	SBOX ## _1(x0 ## 2, x1 ## 2, x2 ## 2, x3 ## 2, x4 ## 2); \
539	SBOX ## _2(x0 ## 2, x1 ## 2, x2 ## 2, x3 ## 2, x4 ## 2);
540
541#define SP(SBOX, x0, x1, x2, x3, x4, i) \
542	get_key(i, 0, RK0); \
543	SBOX ## _1(x0 ## 1, x1 ## 1, x2 ## 1, x3 ## 1, x4 ## 1); \
544	get_key(i, 2, RK2); \
545	SBOX ## _2(x0 ## 1, x1 ## 1, x2 ## 1, x3 ## 1, x4 ## 1); \
546	get_key(i, 3, RK3); \
547	SBOX ## _1(x0 ## 2, x1 ## 2, x2 ## 2, x3 ## 2, x4 ## 2); \
548	get_key(i, 1, RK1); \
549	SBOX ## _2(x0 ## 2, x1 ## 2, x2 ## 2, x3 ## 2, x4 ## 2); \
550
551#define transpose_4x4(x0, x1, x2, x3, t0, t1, t2) \
552	vpunpckldq		x1, x0, t0; \
553	vpunpckhdq		x1, x0, t2; \
554	vpunpckldq		x3, x2, t1; \
555	vpunpckhdq		x3, x2, x3; \
556	\
557	vpunpcklqdq		t1, t0, x0; \
558	vpunpckhqdq		t1, t0, x1; \
559	vpunpcklqdq		x3, t2, x2; \
560	vpunpckhqdq		x3, t2, x3;
561
562#define read_blocks(x0, x1, x2, x3, t0, t1, t2) \
563	transpose_4x4(x0, x1, x2, x3, t0, t1, t2)
564
565#define write_blocks(x0, x1, x2, x3, t0, t1, t2) \
566	transpose_4x4(x0, x1, x2, x3, t0, t1, t2)
567
568.align 8
569__serpent_enc_blk16:
570	/* input:
571	 *	%rdi: ctx, CTX
572	 *	RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2: plaintext
573	 * output:
574	 *	RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2: ciphertext
575	 */
576
577	vpcmpeqd RNOT, RNOT, RNOT;
578
579	read_blocks(RA1, RB1, RC1, RD1, RK0, RK1, RK2);
580	read_blocks(RA2, RB2, RC2, RD2, RK0, RK1, RK2);
581
582						 K2(RA, RB, RC, RD, RE, 0);
583	S(S0, RA, RB, RC, RD, RE);		LK2(RC, RB, RD, RA, RE, 1);
584	S(S1, RC, RB, RD, RA, RE);		LK2(RE, RD, RA, RC, RB, 2);
585	S(S2, RE, RD, RA, RC, RB);		LK2(RB, RD, RE, RC, RA, 3);
586	S(S3, RB, RD, RE, RC, RA);		LK2(RC, RA, RD, RB, RE, 4);
587	S(S4, RC, RA, RD, RB, RE);		LK2(RA, RD, RB, RE, RC, 5);
588	S(S5, RA, RD, RB, RE, RC);		LK2(RC, RA, RD, RE, RB, 6);
589	S(S6, RC, RA, RD, RE, RB);		LK2(RD, RB, RA, RE, RC, 7);
590	S(S7, RD, RB, RA, RE, RC);		LK2(RC, RA, RE, RD, RB, 8);
591	S(S0, RC, RA, RE, RD, RB);		LK2(RE, RA, RD, RC, RB, 9);
592	S(S1, RE, RA, RD, RC, RB);		LK2(RB, RD, RC, RE, RA, 10);
593	S(S2, RB, RD, RC, RE, RA);		LK2(RA, RD, RB, RE, RC, 11);
594	S(S3, RA, RD, RB, RE, RC);		LK2(RE, RC, RD, RA, RB, 12);
595	S(S4, RE, RC, RD, RA, RB);		LK2(RC, RD, RA, RB, RE, 13);
596	S(S5, RC, RD, RA, RB, RE);		LK2(RE, RC, RD, RB, RA, 14);
597	S(S6, RE, RC, RD, RB, RA);		LK2(RD, RA, RC, RB, RE, 15);
598	S(S7, RD, RA, RC, RB, RE);		LK2(RE, RC, RB, RD, RA, 16);
599	S(S0, RE, RC, RB, RD, RA);		LK2(RB, RC, RD, RE, RA, 17);
600	S(S1, RB, RC, RD, RE, RA);		LK2(RA, RD, RE, RB, RC, 18);
601	S(S2, RA, RD, RE, RB, RC);		LK2(RC, RD, RA, RB, RE, 19);
602	S(S3, RC, RD, RA, RB, RE);		LK2(RB, RE, RD, RC, RA, 20);
603	S(S4, RB, RE, RD, RC, RA);		LK2(RE, RD, RC, RA, RB, 21);
604	S(S5, RE, RD, RC, RA, RB);		LK2(RB, RE, RD, RA, RC, 22);
605	S(S6, RB, RE, RD, RA, RC);		LK2(RD, RC, RE, RA, RB, 23);
606	S(S7, RD, RC, RE, RA, RB);		LK2(RB, RE, RA, RD, RC, 24);
607	S(S0, RB, RE, RA, RD, RC);		LK2(RA, RE, RD, RB, RC, 25);
608	S(S1, RA, RE, RD, RB, RC);		LK2(RC, RD, RB, RA, RE, 26);
609	S(S2, RC, RD, RB, RA, RE);		LK2(RE, RD, RC, RA, RB, 27);
610	S(S3, RE, RD, RC, RA, RB);		LK2(RA, RB, RD, RE, RC, 28);
611	S(S4, RA, RB, RD, RE, RC);		LK2(RB, RD, RE, RC, RA, 29);
612	S(S5, RB, RD, RE, RC, RA);		LK2(RA, RB, RD, RC, RE, 30);
613	S(S6, RA, RB, RD, RC, RE);		LK2(RD, RE, RB, RC, RA, 31);
614	S(S7, RD, RE, RB, RC, RA);		 K2(RA, RB, RC, RD, RE, 32);
615
616	write_blocks(RA1, RB1, RC1, RD1, RK0, RK1, RK2);
617	write_blocks(RA2, RB2, RC2, RD2, RK0, RK1, RK2);
618
619	ret;
620ENDPROC(__serpent_enc_blk16)
621
622.align 8
623__serpent_dec_blk16:
624	/* input:
625	 *	%rdi: ctx, CTX
626	 *	RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2: ciphertext
627	 * output:
628	 *	RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2: plaintext
629	 */
630
631	vpcmpeqd RNOT, RNOT, RNOT;
632
633	read_blocks(RA1, RB1, RC1, RD1, RK0, RK1, RK2);
634	read_blocks(RA2, RB2, RC2, RD2, RK0, RK1, RK2);
635
636						 K2(RA, RB, RC, RD, RE, 32);
637	SP(SI7, RA, RB, RC, RD, RE, 31);	KL2(RB, RD, RA, RE, RC, 31);
638	SP(SI6, RB, RD, RA, RE, RC, 30);	KL2(RA, RC, RE, RB, RD, 30);
639	SP(SI5, RA, RC, RE, RB, RD, 29);	KL2(RC, RD, RA, RE, RB, 29);
640	SP(SI4, RC, RD, RA, RE, RB, 28);	KL2(RC, RA, RB, RE, RD, 28);
641	SP(SI3, RC, RA, RB, RE, RD, 27);	KL2(RB, RC, RD, RE, RA, 27);
642	SP(SI2, RB, RC, RD, RE, RA, 26);	KL2(RC, RA, RE, RD, RB, 26);
643	SP(SI1, RC, RA, RE, RD, RB, 25);	KL2(RB, RA, RE, RD, RC, 25);
644	SP(SI0, RB, RA, RE, RD, RC, 24);	KL2(RE, RC, RA, RB, RD, 24);
645	SP(SI7, RE, RC, RA, RB, RD, 23);	KL2(RC, RB, RE, RD, RA, 23);
646	SP(SI6, RC, RB, RE, RD, RA, 22);	KL2(RE, RA, RD, RC, RB, 22);
647	SP(SI5, RE, RA, RD, RC, RB, 21);	KL2(RA, RB, RE, RD, RC, 21);
648	SP(SI4, RA, RB, RE, RD, RC, 20);	KL2(RA, RE, RC, RD, RB, 20);
649	SP(SI3, RA, RE, RC, RD, RB, 19);	KL2(RC, RA, RB, RD, RE, 19);
650	SP(SI2, RC, RA, RB, RD, RE, 18);	KL2(RA, RE, RD, RB, RC, 18);
651	SP(SI1, RA, RE, RD, RB, RC, 17);	KL2(RC, RE, RD, RB, RA, 17);
652	SP(SI0, RC, RE, RD, RB, RA, 16);	KL2(RD, RA, RE, RC, RB, 16);
653	SP(SI7, RD, RA, RE, RC, RB, 15);	KL2(RA, RC, RD, RB, RE, 15);
654	SP(SI6, RA, RC, RD, RB, RE, 14);	KL2(RD, RE, RB, RA, RC, 14);
655	SP(SI5, RD, RE, RB, RA, RC, 13);	KL2(RE, RC, RD, RB, RA, 13);
656	SP(SI4, RE, RC, RD, RB, RA, 12);	KL2(RE, RD, RA, RB, RC, 12);
657	SP(SI3, RE, RD, RA, RB, RC, 11);	KL2(RA, RE, RC, RB, RD, 11);
658	SP(SI2, RA, RE, RC, RB, RD, 10);	KL2(RE, RD, RB, RC, RA, 10);
659	SP(SI1, RE, RD, RB, RC, RA, 9);		KL2(RA, RD, RB, RC, RE, 9);
660	SP(SI0, RA, RD, RB, RC, RE, 8);		KL2(RB, RE, RD, RA, RC, 8);
661	SP(SI7, RB, RE, RD, RA, RC, 7);		KL2(RE, RA, RB, RC, RD, 7);
662	SP(SI6, RE, RA, RB, RC, RD, 6);		KL2(RB, RD, RC, RE, RA, 6);
663	SP(SI5, RB, RD, RC, RE, RA, 5);		KL2(RD, RA, RB, RC, RE, 5);
664	SP(SI4, RD, RA, RB, RC, RE, 4);		KL2(RD, RB, RE, RC, RA, 4);
665	SP(SI3, RD, RB, RE, RC, RA, 3);		KL2(RE, RD, RA, RC, RB, 3);
666	SP(SI2, RE, RD, RA, RC, RB, 2);		KL2(RD, RB, RC, RA, RE, 2);
667	SP(SI1, RD, RB, RC, RA, RE, 1);		KL2(RE, RB, RC, RA, RD, 1);
668	S(SI0, RE, RB, RC, RA, RD);		 K2(RC, RD, RB, RE, RA, 0);
669
670	write_blocks(RC1, RD1, RB1, RE1, RK0, RK1, RK2);
671	write_blocks(RC2, RD2, RB2, RE2, RK0, RK1, RK2);
672
673	ret;
674ENDPROC(__serpent_dec_blk16)
675
676ENTRY(serpent_ecb_enc_16way)
677	/* input:
678	 *	%rdi: ctx, CTX
679	 *	%rsi: dst
680	 *	%rdx: src
681	 */
682	FRAME_BEGIN
683
684	vzeroupper;
685
686	load_16way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
687
688	call __serpent_enc_blk16;
689
690	store_16way(%rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
691
692	vzeroupper;
693
694	FRAME_END
695	ret;
696ENDPROC(serpent_ecb_enc_16way)
697
698ENTRY(serpent_ecb_dec_16way)
699	/* input:
700	 *	%rdi: ctx, CTX
701	 *	%rsi: dst
702	 *	%rdx: src
703	 */
704	FRAME_BEGIN
705
706	vzeroupper;
707
708	load_16way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
709
710	call __serpent_dec_blk16;
711
712	store_16way(%rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2);
713
714	vzeroupper;
715
716	FRAME_END
717	ret;
718ENDPROC(serpent_ecb_dec_16way)
719
720ENTRY(serpent_cbc_dec_16way)
721	/* input:
722	 *	%rdi: ctx, CTX
723	 *	%rsi: dst
724	 *	%rdx: src
725	 */
726	FRAME_BEGIN
727
728	vzeroupper;
729
730	load_16way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
731
732	call __serpent_dec_blk16;
733
734	store_cbc_16way(%rdx, %rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2,
735			RK0);
736
737	vzeroupper;
738
739	FRAME_END
740	ret;
741ENDPROC(serpent_cbc_dec_16way)
742
743ENTRY(serpent_ctr_16way)
744	/* input:
745	 *	%rdi: ctx, CTX
746	 *	%rsi: dst (16 blocks)
747	 *	%rdx: src (16 blocks)
748	 *	%rcx: iv (little endian, 128bit)
749	 */
750	FRAME_BEGIN
751
752	vzeroupper;
753
754	load_ctr_16way(%rcx, .Lbswap128_mask, RA1, RB1, RC1, RD1, RA2, RB2, RC2,
755		       RD2, RK0, RK0x, RK1, RK1x, RK2, RK2x, RK3, RK3x, RNOT,
756		       tp);
757
758	call __serpent_enc_blk16;
759
760	store_ctr_16way(%rdx, %rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
761
762	vzeroupper;
763
764	FRAME_END
765	ret;
766ENDPROC(serpent_ctr_16way)
767
768ENTRY(serpent_xts_enc_16way)
769	/* input:
770	 *	%rdi: ctx, CTX
771	 *	%rsi: dst (16 blocks)
772	 *	%rdx: src (16 blocks)
773	 *	%rcx: iv (t ⊕ αⁿ ∈ GF(2¹²⁸))
774	 */
775	FRAME_BEGIN
776
777	vzeroupper;
778
779	load_xts_16way(%rcx, %rdx, %rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2,
780		       RD2, RK0, RK0x, RK1, RK1x, RK2, RK2x, RK3, RK3x, RNOT,
781		       .Lxts_gf128mul_and_shl1_mask_0,
782		       .Lxts_gf128mul_and_shl1_mask_1);
783
784	call __serpent_enc_blk16;
785
786	store_xts_16way(%rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
787
788	vzeroupper;
789
790	FRAME_END
791	ret;
792ENDPROC(serpent_xts_enc_16way)
793
794ENTRY(serpent_xts_dec_16way)
795	/* input:
796	 *	%rdi: ctx, CTX
797	 *	%rsi: dst (16 blocks)
798	 *	%rdx: src (16 blocks)
799	 *	%rcx: iv (t ⊕ αⁿ ∈ GF(2¹²⁸))
800	 */
801	FRAME_BEGIN
802
803	vzeroupper;
804
805	load_xts_16way(%rcx, %rdx, %rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2,
806		       RD2, RK0, RK0x, RK1, RK1x, RK2, RK2x, RK3, RK3x, RNOT,
807		       .Lxts_gf128mul_and_shl1_mask_0,
808		       .Lxts_gf128mul_and_shl1_mask_1);
809
810	call __serpent_dec_blk16;
811
812	store_xts_16way(%rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2);
813
814	vzeroupper;
815
816	FRAME_END
817	ret;
818ENDPROC(serpent_xts_dec_16way)
819