xref: /linux/arch/x86/crypto/serpent-avx2-asm_64.S (revision 0be3ff0c) 
1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * x86_64/AVX2 assembler optimized version of Serpent
4 *
5 * Copyright © 2012-2013 Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
6 *
7 * Based on AVX assembler implementation of Serpent by:
8 *  Copyright © 2012 Johannes Goetzfried
9 *      <Johannes.Goetzfried@informatik.stud.uni-erlangen.de>
10 */
11
12#include <linux/linkage.h>
13#include <asm/frame.h>
14#include "glue_helper-asm-avx2.S"
15
16.file "serpent-avx2-asm_64.S"
17
18.section	.rodata.cst16.bswap128_mask, "aM", @progbits, 16
19.align 16
20.Lbswap128_mask:
21	.byte 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0
22
23.text
24
25#define CTX %rdi
26
27#define RNOT %ymm0
28#define tp  %ymm1
29
30#define RA1 %ymm2
31#define RA2 %ymm3
32#define RB1 %ymm4
33#define RB2 %ymm5
34#define RC1 %ymm6
35#define RC2 %ymm7
36#define RD1 %ymm8
37#define RD2 %ymm9
38#define RE1 %ymm10
39#define RE2 %ymm11
40
41#define RK0 %ymm12
42#define RK1 %ymm13
43#define RK2 %ymm14
44#define RK3 %ymm15
45
46#define RK0x %xmm12
47#define RK1x %xmm13
48#define RK2x %xmm14
49#define RK3x %xmm15
50
51#define S0_1(x0, x1, x2, x3, x4)      \
52	vpor		x0,   x3, tp; \
53	vpxor		x3,   x0, x0; \
54	vpxor		x2,   x3, x4; \
55	vpxor		RNOT, x4, x4; \
56	vpxor		x1,   tp, x3; \
57	vpand		x0,   x1, x1; \
58	vpxor		x4,   x1, x1; \
59	vpxor		x0,   x2, x2;
60#define S0_2(x0, x1, x2, x3, x4)      \
61	vpxor		x3,   x0, x0; \
62	vpor		x0,   x4, x4; \
63	vpxor		x2,   x0, x0; \
64	vpand		x1,   x2, x2; \
65	vpxor		x2,   x3, x3; \
66	vpxor		RNOT, x1, x1; \
67	vpxor		x4,   x2, x2; \
68	vpxor		x2,   x1, x1;
69
70#define S1_1(x0, x1, x2, x3, x4)      \
71	vpxor		x0,   x1, tp; \
72	vpxor		x3,   x0, x0; \
73	vpxor		RNOT, x3, x3; \
74	vpand		tp,   x1, x4; \
75	vpor		tp,   x0, x0; \
76	vpxor		x2,   x3, x3; \
77	vpxor		x3,   x0, x0; \
78	vpxor		x3,   tp, x1;
79#define S1_2(x0, x1, x2, x3, x4)      \
80	vpxor		x4,   x3, x3; \
81	vpor		x4,   x1, x1; \
82	vpxor		x2,   x4, x4; \
83	vpand		x0,   x2, x2; \
84	vpxor		x1,   x2, x2; \
85	vpor		x0,   x1, x1; \
86	vpxor		RNOT, x0, x0; \
87	vpxor		x2,   x0, x0; \
88	vpxor		x1,   x4, x4;
89
90#define S2_1(x0, x1, x2, x3, x4)      \
91	vpxor		RNOT, x3, x3; \
92	vpxor		x0,   x1, x1; \
93	vpand		x2,   x0, tp; \
94	vpxor		x3,   tp, tp; \
95	vpor		x0,   x3, x3; \
96	vpxor		x1,   x2, x2; \
97	vpxor		x1,   x3, x3; \
98	vpand		tp,   x1, x1;
99#define S2_2(x0, x1, x2, x3, x4)      \
100	vpxor		x2,   tp, tp; \
101	vpand		x3,   x2, x2; \
102	vpor		x1,   x3, x3; \
103	vpxor		RNOT, tp, tp; \
104	vpxor		tp,   x3, x3; \
105	vpxor		tp,   x0, x4; \
106	vpxor		x2,   tp, x0; \
107	vpor		x2,   x1, x1;
108
109#define S3_1(x0, x1, x2, x3, x4)      \
110	vpxor		x3,   x1, tp; \
111	vpor		x0,   x3, x3; \
112	vpand		x0,   x1, x4; \
113	vpxor		x2,   x0, x0; \
114	vpxor		tp,   x2, x2; \
115	vpand		x3,   tp, x1; \
116	vpxor		x3,   x2, x2; \
117	vpor		x4,   x0, x0; \
118	vpxor		x3,   x4, x4;
119#define S3_2(x0, x1, x2, x3, x4)      \
120	vpxor		x0,   x1, x1; \
121	vpand		x3,   x0, x0; \
122	vpand		x4,   x3, x3; \
123	vpxor		x2,   x3, x3; \
124	vpor		x1,   x4, x4; \
125	vpand		x1,   x2, x2; \
126	vpxor		x3,   x4, x4; \
127	vpxor		x3,   x0, x0; \
128	vpxor		x2,   x3, x3;
129
130#define S4_1(x0, x1, x2, x3, x4)      \
131	vpand		x0,   x3, tp; \
132	vpxor		x3,   x0, x0; \
133	vpxor		x2,   tp, tp; \
134	vpor		x3,   x2, x2; \
135	vpxor		x1,   x0, x0; \
136	vpxor		tp,   x3, x4; \
137	vpor		x0,   x2, x2; \
138	vpxor		x1,   x2, x2;
139#define S4_2(x0, x1, x2, x3, x4)      \
140	vpand		x0,   x1, x1; \
141	vpxor		x4,   x1, x1; \
142	vpand		x2,   x4, x4; \
143	vpxor		tp,   x2, x2; \
144	vpxor		x0,   x4, x4; \
145	vpor		x1,   tp, x3; \
146	vpxor		RNOT, x1, x1; \
147	vpxor		x0,   x3, x3;
148
149#define S5_1(x0, x1, x2, x3, x4)      \
150	vpor		x0,   x1, tp; \
151	vpxor		tp,   x2, x2; \
152	vpxor		RNOT, x3, x3; \
153	vpxor		x0,   x1, x4; \
154	vpxor		x2,   x0, x0; \
155	vpand		x4,   tp, x1; \
156	vpor		x3,   x4, x4; \
157	vpxor		x0,   x4, x4;
158#define S5_2(x0, x1, x2, x3, x4)      \
159	vpand		x3,   x0, x0; \
160	vpxor		x3,   x1, x1; \
161	vpxor		x2,   x3, x3; \
162	vpxor		x1,   x0, x0; \
163	vpand		x4,   x2, x2; \
164	vpxor		x2,   x1, x1; \
165	vpand		x0,   x2, x2; \
166	vpxor		x2,   x3, x3;
167
168#define S6_1(x0, x1, x2, x3, x4)      \
169	vpxor		x0,   x3, x3; \
170	vpxor		x2,   x1, tp; \
171	vpxor		x0,   x2, x2; \
172	vpand		x3,   x0, x0; \
173	vpor		x3,   tp, tp; \
174	vpxor		RNOT, x1, x4; \
175	vpxor		tp,   x0, x0; \
176	vpxor		x2,   tp, x1;
177#define S6_2(x0, x1, x2, x3, x4)      \
178	vpxor		x4,   x3, x3; \
179	vpxor		x0,   x4, x4; \
180	vpand		x0,   x2, x2; \
181	vpxor		x1,   x4, x4; \
182	vpxor		x3,   x2, x2; \
183	vpand		x1,   x3, x3; \
184	vpxor		x0,   x3, x3; \
185	vpxor		x2,   x1, x1;
186
187#define S7_1(x0, x1, x2, x3, x4)      \
188	vpxor		RNOT, x1, tp; \
189	vpxor		RNOT, x0, x0; \
190	vpand		x2,   tp, x1; \
191	vpxor		x3,   x1, x1; \
192	vpor		tp,   x3, x3; \
193	vpxor		x2,   tp, x4; \
194	vpxor		x3,   x2, x2; \
195	vpxor		x0,   x3, x3; \
196	vpor		x1,   x0, x0;
197#define S7_2(x0, x1, x2, x3, x4)      \
198	vpand		x0,   x2, x2; \
199	vpxor		x4,   x0, x0; \
200	vpxor		x3,   x4, x4; \
201	vpand		x0,   x3, x3; \
202	vpxor		x1,   x4, x4; \
203	vpxor		x4,   x2, x2; \
204	vpxor		x1,   x3, x3; \
205	vpor		x0,   x4, x4; \
206	vpxor		x1,   x4, x4;
207
208#define SI0_1(x0, x1, x2, x3, x4)     \
209	vpxor		x0,   x1, x1; \
210	vpor		x1,   x3, tp; \
211	vpxor		x1,   x3, x4; \
212	vpxor		RNOT, x0, x0; \
213	vpxor		tp,   x2, x2; \
214	vpxor		x0,   tp, x3; \
215	vpand		x1,   x0, x0; \
216	vpxor		x2,   x0, x0;
217#define SI0_2(x0, x1, x2, x3, x4)     \
218	vpand		x3,   x2, x2; \
219	vpxor		x4,   x3, x3; \
220	vpxor		x3,   x2, x2; \
221	vpxor		x3,   x1, x1; \
222	vpand		x0,   x3, x3; \
223	vpxor		x0,   x1, x1; \
224	vpxor		x2,   x0, x0; \
225	vpxor		x3,   x4, x4;
226
227#define SI1_1(x0, x1, x2, x3, x4)     \
228	vpxor		x3,   x1, x1; \
229	vpxor		x2,   x0, tp; \
230	vpxor		RNOT, x2, x2; \
231	vpor		x1,   x0, x4; \
232	vpxor		x3,   x4, x4; \
233	vpand		x1,   x3, x3; \
234	vpxor		x2,   x1, x1; \
235	vpand		x4,   x2, x2;
236#define SI1_2(x0, x1, x2, x3, x4)     \
237	vpxor		x1,   x4, x4; \
238	vpor		x3,   x1, x1; \
239	vpxor		tp,   x3, x3; \
240	vpxor		tp,   x2, x2; \
241	vpor		x4,   tp, x0; \
242	vpxor		x4,   x2, x2; \
243	vpxor		x0,   x1, x1; \
244	vpxor		x1,   x4, x4;
245
246#define SI2_1(x0, x1, x2, x3, x4)     \
247	vpxor		x1,   x2, x2; \
248	vpxor		RNOT, x3, tp; \
249	vpor		x2,   tp, tp; \
250	vpxor		x3,   x2, x2; \
251	vpxor		x0,   x3, x4; \
252	vpxor		x1,   tp, x3; \
253	vpor		x2,   x1, x1; \
254	vpxor		x0,   x2, x2;
255#define SI2_2(x0, x1, x2, x3, x4)     \
256	vpxor		x4,   x1, x1; \
257	vpor		x3,   x4, x4; \
258	vpxor		x3,   x2, x2; \
259	vpxor		x2,   x4, x4; \
260	vpand		x1,   x2, x2; \
261	vpxor		x3,   x2, x2; \
262	vpxor		x4,   x3, x3; \
263	vpxor		x0,   x4, x4;
264
265#define SI3_1(x0, x1, x2, x3, x4)     \
266	vpxor		x1,   x2, x2; \
267	vpand		x2,   x1, tp; \
268	vpxor		x0,   tp, tp; \
269	vpor		x1,   x0, x0; \
270	vpxor		x3,   x1, x4; \
271	vpxor		x3,   x0, x0; \
272	vpor		tp,   x3, x3; \
273	vpxor		x2,   tp, x1;
274#define SI3_2(x0, x1, x2, x3, x4)     \
275	vpxor		x3,   x1, x1; \
276	vpxor		x2,   x0, x0; \
277	vpxor		x3,   x2, x2; \
278	vpand		x1,   x3, x3; \
279	vpxor		x0,   x1, x1; \
280	vpand		x2,   x0, x0; \
281	vpxor		x3,   x4, x4; \
282	vpxor		x0,   x3, x3; \
283	vpxor		x1,   x0, x0;
284
285#define SI4_1(x0, x1, x2, x3, x4)     \
286	vpxor		x3,   x2, x2; \
287	vpand		x1,   x0, tp; \
288	vpxor		x2,   tp, tp; \
289	vpor		x3,   x2, x2; \
290	vpxor		RNOT, x0, x4; \
291	vpxor		tp,   x1, x1; \
292	vpxor		x2,   tp, x0; \
293	vpand		x4,   x2, x2;
294#define SI4_2(x0, x1, x2, x3, x4)     \
295	vpxor		x0,   x2, x2; \
296	vpor		x4,   x0, x0; \
297	vpxor		x3,   x0, x0; \
298	vpand		x2,   x3, x3; \
299	vpxor		x3,   x4, x4; \
300	vpxor		x1,   x3, x3; \
301	vpand		x0,   x1, x1; \
302	vpxor		x1,   x4, x4; \
303	vpxor		x3,   x0, x0;
304
305#define SI5_1(x0, x1, x2, x3, x4)     \
306	vpor		x2,   x1, tp; \
307	vpxor		x1,   x2, x2; \
308	vpxor		x3,   tp, tp; \
309	vpand		x1,   x3, x3; \
310	vpxor		x3,   x2, x2; \
311	vpor		x0,   x3, x3; \
312	vpxor		RNOT, x0, x0; \
313	vpxor		x2,   x3, x3; \
314	vpor		x0,   x2, x2;
315#define SI5_2(x0, x1, x2, x3, x4)     \
316	vpxor		tp,   x1, x4; \
317	vpxor		x4,   x2, x2; \
318	vpand		x0,   x4, x4; \
319	vpxor		tp,   x0, x0; \
320	vpxor		x3,   tp, x1; \
321	vpand		x2,   x0, x0; \
322	vpxor		x3,   x2, x2; \
323	vpxor		x2,   x0, x0; \
324	vpxor		x4,   x2, x2; \
325	vpxor		x3,   x4, x4;
326
327#define SI6_1(x0, x1, x2, x3, x4)     \
328	vpxor		x2,   x0, x0; \
329	vpand		x3,   x0, tp; \
330	vpxor		x3,   x2, x2; \
331	vpxor		x2,   tp, tp; \
332	vpxor		x1,   x3, x3; \
333	vpor		x0,   x2, x2; \
334	vpxor		x3,   x2, x2; \
335	vpand		tp,   x3, x3;
336#define SI6_2(x0, x1, x2, x3, x4)     \
337	vpxor		RNOT, tp, tp; \
338	vpxor		x1,   x3, x3; \
339	vpand		x2,   x1, x1; \
340	vpxor		tp,   x0, x4; \
341	vpxor		x4,   x3, x3; \
342	vpxor		x2,   x4, x4; \
343	vpxor		x1,   tp, x0; \
344	vpxor		x0,   x2, x2;
345
346#define SI7_1(x0, x1, x2, x3, x4)     \
347	vpand		x0,   x3, tp; \
348	vpxor		x2,   x0, x0; \
349	vpor		x3,   x2, x2; \
350	vpxor		x1,   x3, x4; \
351	vpxor		RNOT, x0, x0; \
352	vpor		tp,   x1, x1; \
353	vpxor		x0,   x4, x4; \
354	vpand		x2,   x0, x0; \
355	vpxor		x1,   x0, x0;
356#define SI7_2(x0, x1, x2, x3, x4)     \
357	vpand		x2,   x1, x1; \
358	vpxor		x2,   tp, x3; \
359	vpxor		x3,   x4, x4; \
360	vpand		x3,   x2, x2; \
361	vpor		x0,   x3, x3; \
362	vpxor		x4,   x1, x1; \
363	vpxor		x4,   x3, x3; \
364	vpand		x0,   x4, x4; \
365	vpxor		x2,   x4, x4;
366
367#define get_key(i,j,t) \
368	vpbroadcastd (4*(i)+(j))*4(CTX), t;
369
370#define K2(x0, x1, x2, x3, x4, i) \
371	get_key(i, 0, RK0); \
372	get_key(i, 1, RK1); \
373	get_key(i, 2, RK2); \
374	get_key(i, 3, RK3); \
375	vpxor RK0,	x0 ## 1, x0 ## 1; \
376	vpxor RK1,	x1 ## 1, x1 ## 1; \
377	vpxor RK2,	x2 ## 1, x2 ## 1; \
378	vpxor RK3,	x3 ## 1, x3 ## 1; \
379		vpxor RK0,	x0 ## 2, x0 ## 2; \
380		vpxor RK1,	x1 ## 2, x1 ## 2; \
381		vpxor RK2,	x2 ## 2, x2 ## 2; \
382		vpxor RK3,	x3 ## 2, x3 ## 2;
383
384#define LK2(x0, x1, x2, x3, x4, i) \
385	vpslld $13,		x0 ## 1, x4 ## 1;          \
386	vpsrld $(32 - 13),	x0 ## 1, x0 ## 1;          \
387	vpor			x4 ## 1, x0 ## 1, x0 ## 1; \
388	vpxor			x0 ## 1, x1 ## 1, x1 ## 1; \
389	vpslld $3,		x2 ## 1, x4 ## 1;          \
390	vpsrld $(32 - 3),	x2 ## 1, x2 ## 1;          \
391	vpor			x4 ## 1, x2 ## 1, x2 ## 1; \
392	vpxor			x2 ## 1, x1 ## 1, x1 ## 1; \
393		vpslld $13,		x0 ## 2, x4 ## 2;          \
394		vpsrld $(32 - 13),	x0 ## 2, x0 ## 2;          \
395		vpor			x4 ## 2, x0 ## 2, x0 ## 2; \
396		vpxor			x0 ## 2, x1 ## 2, x1 ## 2; \
397		vpslld $3,		x2 ## 2, x4 ## 2;          \
398		vpsrld $(32 - 3),	x2 ## 2, x2 ## 2;          \
399		vpor			x4 ## 2, x2 ## 2, x2 ## 2; \
400		vpxor			x2 ## 2, x1 ## 2, x1 ## 2; \
401	vpslld $1,		x1 ## 1, x4 ## 1;          \
402	vpsrld $(32 - 1),	x1 ## 1, x1 ## 1;          \
403	vpor			x4 ## 1, x1 ## 1, x1 ## 1; \
404	vpslld $3,		x0 ## 1, x4 ## 1;          \
405	vpxor			x2 ## 1, x3 ## 1, x3 ## 1; \
406	vpxor			x4 ## 1, x3 ## 1, x3 ## 1; \
407	get_key(i, 1, RK1); \
408		vpslld $1,		x1 ## 2, x4 ## 2;          \
409		vpsrld $(32 - 1),	x1 ## 2, x1 ## 2;          \
410		vpor			x4 ## 2, x1 ## 2, x1 ## 2; \
411		vpslld $3,		x0 ## 2, x4 ## 2;          \
412		vpxor			x2 ## 2, x3 ## 2, x3 ## 2; \
413		vpxor			x4 ## 2, x3 ## 2, x3 ## 2; \
414		get_key(i, 3, RK3); \
415	vpslld $7,		x3 ## 1, x4 ## 1;          \
416	vpsrld $(32 - 7),	x3 ## 1, x3 ## 1;          \
417	vpor			x4 ## 1, x3 ## 1, x3 ## 1; \
418	vpslld $7,		x1 ## 1, x4 ## 1;          \
419	vpxor			x1 ## 1, x0 ## 1, x0 ## 1; \
420	vpxor			x3 ## 1, x0 ## 1, x0 ## 1; \
421	vpxor			x3 ## 1, x2 ## 1, x2 ## 1; \
422	vpxor			x4 ## 1, x2 ## 1, x2 ## 1; \
423	get_key(i, 0, RK0); \
424		vpslld $7,		x3 ## 2, x4 ## 2;          \
425		vpsrld $(32 - 7),	x3 ## 2, x3 ## 2;          \
426		vpor			x4 ## 2, x3 ## 2, x3 ## 2; \
427		vpslld $7,		x1 ## 2, x4 ## 2;          \
428		vpxor			x1 ## 2, x0 ## 2, x0 ## 2; \
429		vpxor			x3 ## 2, x0 ## 2, x0 ## 2; \
430		vpxor			x3 ## 2, x2 ## 2, x2 ## 2; \
431		vpxor			x4 ## 2, x2 ## 2, x2 ## 2; \
432		get_key(i, 2, RK2); \
433	vpxor			RK1, x1 ## 1, x1 ## 1;     \
434	vpxor			RK3, x3 ## 1, x3 ## 1;     \
435	vpslld $5,		x0 ## 1, x4 ## 1;          \
436	vpsrld $(32 - 5),	x0 ## 1, x0 ## 1;          \
437	vpor			x4 ## 1, x0 ## 1, x0 ## 1; \
438	vpslld $22,		x2 ## 1, x4 ## 1;          \
439	vpsrld $(32 - 22),	x2 ## 1, x2 ## 1;          \
440	vpor			x4 ## 1, x2 ## 1, x2 ## 1; \
441	vpxor			RK0, x0 ## 1, x0 ## 1;     \
442	vpxor			RK2, x2 ## 1, x2 ## 1;     \
443		vpxor			RK1, x1 ## 2, x1 ## 2;     \
444		vpxor			RK3, x3 ## 2, x3 ## 2;     \
445		vpslld $5,		x0 ## 2, x4 ## 2;          \
446		vpsrld $(32 - 5),	x0 ## 2, x0 ## 2;          \
447		vpor			x4 ## 2, x0 ## 2, x0 ## 2; \
448		vpslld $22,		x2 ## 2, x4 ## 2;          \
449		vpsrld $(32 - 22),	x2 ## 2, x2 ## 2;          \
450		vpor			x4 ## 2, x2 ## 2, x2 ## 2; \
451		vpxor			RK0, x0 ## 2, x0 ## 2;     \
452		vpxor			RK2, x2 ## 2, x2 ## 2;
453
454#define KL2(x0, x1, x2, x3, x4, i) \
455	vpxor			RK0, x0 ## 1, x0 ## 1;     \
456	vpxor			RK2, x2 ## 1, x2 ## 1;     \
457	vpsrld $5,		x0 ## 1, x4 ## 1;          \
458	vpslld $(32 - 5),	x0 ## 1, x0 ## 1;          \
459	vpor			x4 ## 1, x0 ## 1, x0 ## 1; \
460	vpxor			RK3, x3 ## 1, x3 ## 1;     \
461	vpxor			RK1, x1 ## 1, x1 ## 1;     \
462	vpsrld $22,		x2 ## 1, x4 ## 1;          \
463	vpslld $(32 - 22),	x2 ## 1, x2 ## 1;          \
464	vpor			x4 ## 1, x2 ## 1, x2 ## 1; \
465	vpxor			x3 ## 1, x2 ## 1, x2 ## 1; \
466		vpxor			RK0, x0 ## 2, x0 ## 2;     \
467		vpxor			RK2, x2 ## 2, x2 ## 2;     \
468		vpsrld $5,		x0 ## 2, x4 ## 2;          \
469		vpslld $(32 - 5),	x0 ## 2, x0 ## 2;          \
470		vpor			x4 ## 2, x0 ## 2, x0 ## 2; \
471		vpxor			RK3, x3 ## 2, x3 ## 2;     \
472		vpxor			RK1, x1 ## 2, x1 ## 2;     \
473		vpsrld $22,		x2 ## 2, x4 ## 2;          \
474		vpslld $(32 - 22),	x2 ## 2, x2 ## 2;          \
475		vpor			x4 ## 2, x2 ## 2, x2 ## 2; \
476		vpxor			x3 ## 2, x2 ## 2, x2 ## 2; \
477	vpxor			x3 ## 1, x0 ## 1, x0 ## 1; \
478	vpslld $7,		x1 ## 1, x4 ## 1;          \
479	vpxor			x1 ## 1, x0 ## 1, x0 ## 1; \
480	vpxor			x4 ## 1, x2 ## 1, x2 ## 1; \
481	vpsrld $1,		x1 ## 1, x4 ## 1;          \
482	vpslld $(32 - 1),	x1 ## 1, x1 ## 1;          \
483	vpor			x4 ## 1, x1 ## 1, x1 ## 1; \
484		vpxor			x3 ## 2, x0 ## 2, x0 ## 2; \
485		vpslld $7,		x1 ## 2, x4 ## 2;          \
486		vpxor			x1 ## 2, x0 ## 2, x0 ## 2; \
487		vpxor			x4 ## 2, x2 ## 2, x2 ## 2; \
488		vpsrld $1,		x1 ## 2, x4 ## 2;          \
489		vpslld $(32 - 1),	x1 ## 2, x1 ## 2;          \
490		vpor			x4 ## 2, x1 ## 2, x1 ## 2; \
491	vpsrld $7,		x3 ## 1, x4 ## 1;          \
492	vpslld $(32 - 7),	x3 ## 1, x3 ## 1;          \
493	vpor			x4 ## 1, x3 ## 1, x3 ## 1; \
494	vpxor			x0 ## 1, x1 ## 1, x1 ## 1; \
495	vpslld $3,		x0 ## 1, x4 ## 1;          \
496	vpxor			x4 ## 1, x3 ## 1, x3 ## 1; \
497		vpsrld $7,		x3 ## 2, x4 ## 2;          \
498		vpslld $(32 - 7),	x3 ## 2, x3 ## 2;          \
499		vpor			x4 ## 2, x3 ## 2, x3 ## 2; \
500		vpxor			x0 ## 2, x1 ## 2, x1 ## 2; \
501		vpslld $3,		x0 ## 2, x4 ## 2;          \
502		vpxor			x4 ## 2, x3 ## 2, x3 ## 2; \
503	vpsrld $13,		x0 ## 1, x4 ## 1;          \
504	vpslld $(32 - 13),	x0 ## 1, x0 ## 1;          \
505	vpor			x4 ## 1, x0 ## 1, x0 ## 1; \
506	vpxor			x2 ## 1, x1 ## 1, x1 ## 1; \
507	vpxor			x2 ## 1, x3 ## 1, x3 ## 1; \
508	vpsrld $3,		x2 ## 1, x4 ## 1;          \
509	vpslld $(32 - 3),	x2 ## 1, x2 ## 1;          \
510	vpor			x4 ## 1, x2 ## 1, x2 ## 1; \
511		vpsrld $13,		x0 ## 2, x4 ## 2;          \
512		vpslld $(32 - 13),	x0 ## 2, x0 ## 2;          \
513		vpor			x4 ## 2, x0 ## 2, x0 ## 2; \
514		vpxor			x2 ## 2, x1 ## 2, x1 ## 2; \
515		vpxor			x2 ## 2, x3 ## 2, x3 ## 2; \
516		vpsrld $3,		x2 ## 2, x4 ## 2;          \
517		vpslld $(32 - 3),	x2 ## 2, x2 ## 2;          \
518		vpor			x4 ## 2, x2 ## 2, x2 ## 2;
519
520#define S(SBOX, x0, x1, x2, x3, x4) \
521	SBOX ## _1(x0 ## 1, x1 ## 1, x2 ## 1, x3 ## 1, x4 ## 1); \
522	SBOX ## _2(x0 ## 1, x1 ## 1, x2 ## 1, x3 ## 1, x4 ## 1); \
523	SBOX ## _1(x0 ## 2, x1 ## 2, x2 ## 2, x3 ## 2, x4 ## 2); \
524	SBOX ## _2(x0 ## 2, x1 ## 2, x2 ## 2, x3 ## 2, x4 ## 2);
525
526#define SP(SBOX, x0, x1, x2, x3, x4, i) \
527	get_key(i, 0, RK0); \
528	SBOX ## _1(x0 ## 1, x1 ## 1, x2 ## 1, x3 ## 1, x4 ## 1); \
529	get_key(i, 2, RK2); \
530	SBOX ## _2(x0 ## 1, x1 ## 1, x2 ## 1, x3 ## 1, x4 ## 1); \
531	get_key(i, 3, RK3); \
532	SBOX ## _1(x0 ## 2, x1 ## 2, x2 ## 2, x3 ## 2, x4 ## 2); \
533	get_key(i, 1, RK1); \
534	SBOX ## _2(x0 ## 2, x1 ## 2, x2 ## 2, x3 ## 2, x4 ## 2); \
535
536#define transpose_4x4(x0, x1, x2, x3, t0, t1, t2) \
537	vpunpckldq		x1, x0, t0; \
538	vpunpckhdq		x1, x0, t2; \
539	vpunpckldq		x3, x2, t1; \
540	vpunpckhdq		x3, x2, x3; \
541	\
542	vpunpcklqdq		t1, t0, x0; \
543	vpunpckhqdq		t1, t0, x1; \
544	vpunpcklqdq		x3, t2, x2; \
545	vpunpckhqdq		x3, t2, x3;
546
547#define read_blocks(x0, x1, x2, x3, t0, t1, t2) \
548	transpose_4x4(x0, x1, x2, x3, t0, t1, t2)
549
550#define write_blocks(x0, x1, x2, x3, t0, t1, t2) \
551	transpose_4x4(x0, x1, x2, x3, t0, t1, t2)
552
553.align 8
554SYM_FUNC_START_LOCAL(__serpent_enc_blk16)
555	/* input:
556	 *	%rdi: ctx, CTX
557	 *	RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2: plaintext
558	 * output:
559	 *	RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2: ciphertext
560	 */
561
562	vpcmpeqd RNOT, RNOT, RNOT;
563
564	read_blocks(RA1, RB1, RC1, RD1, RK0, RK1, RK2);
565	read_blocks(RA2, RB2, RC2, RD2, RK0, RK1, RK2);
566
567						 K2(RA, RB, RC, RD, RE, 0);
568	S(S0, RA, RB, RC, RD, RE);		LK2(RC, RB, RD, RA, RE, 1);
569	S(S1, RC, RB, RD, RA, RE);		LK2(RE, RD, RA, RC, RB, 2);
570	S(S2, RE, RD, RA, RC, RB);		LK2(RB, RD, RE, RC, RA, 3);
571	S(S3, RB, RD, RE, RC, RA);		LK2(RC, RA, RD, RB, RE, 4);
572	S(S4, RC, RA, RD, RB, RE);		LK2(RA, RD, RB, RE, RC, 5);
573	S(S5, RA, RD, RB, RE, RC);		LK2(RC, RA, RD, RE, RB, 6);
574	S(S6, RC, RA, RD, RE, RB);		LK2(RD, RB, RA, RE, RC, 7);
575	S(S7, RD, RB, RA, RE, RC);		LK2(RC, RA, RE, RD, RB, 8);
576	S(S0, RC, RA, RE, RD, RB);		LK2(RE, RA, RD, RC, RB, 9);
577	S(S1, RE, RA, RD, RC, RB);		LK2(RB, RD, RC, RE, RA, 10);
578	S(S2, RB, RD, RC, RE, RA);		LK2(RA, RD, RB, RE, RC, 11);
579	S(S3, RA, RD, RB, RE, RC);		LK2(RE, RC, RD, RA, RB, 12);
580	S(S4, RE, RC, RD, RA, RB);		LK2(RC, RD, RA, RB, RE, 13);
581	S(S5, RC, RD, RA, RB, RE);		LK2(RE, RC, RD, RB, RA, 14);
582	S(S6, RE, RC, RD, RB, RA);		LK2(RD, RA, RC, RB, RE, 15);
583	S(S7, RD, RA, RC, RB, RE);		LK2(RE, RC, RB, RD, RA, 16);
584	S(S0, RE, RC, RB, RD, RA);		LK2(RB, RC, RD, RE, RA, 17);
585	S(S1, RB, RC, RD, RE, RA);		LK2(RA, RD, RE, RB, RC, 18);
586	S(S2, RA, RD, RE, RB, RC);		LK2(RC, RD, RA, RB, RE, 19);
587	S(S3, RC, RD, RA, RB, RE);		LK2(RB, RE, RD, RC, RA, 20);
588	S(S4, RB, RE, RD, RC, RA);		LK2(RE, RD, RC, RA, RB, 21);
589	S(S5, RE, RD, RC, RA, RB);		LK2(RB, RE, RD, RA, RC, 22);
590	S(S6, RB, RE, RD, RA, RC);		LK2(RD, RC, RE, RA, RB, 23);
591	S(S7, RD, RC, RE, RA, RB);		LK2(RB, RE, RA, RD, RC, 24);
592	S(S0, RB, RE, RA, RD, RC);		LK2(RA, RE, RD, RB, RC, 25);
593	S(S1, RA, RE, RD, RB, RC);		LK2(RC, RD, RB, RA, RE, 26);
594	S(S2, RC, RD, RB, RA, RE);		LK2(RE, RD, RC, RA, RB, 27);
595	S(S3, RE, RD, RC, RA, RB);		LK2(RA, RB, RD, RE, RC, 28);
596	S(S4, RA, RB, RD, RE, RC);		LK2(RB, RD, RE, RC, RA, 29);
597	S(S5, RB, RD, RE, RC, RA);		LK2(RA, RB, RD, RC, RE, 30);
598	S(S6, RA, RB, RD, RC, RE);		LK2(RD, RE, RB, RC, RA, 31);
599	S(S7, RD, RE, RB, RC, RA);		 K2(RA, RB, RC, RD, RE, 32);
600
601	write_blocks(RA1, RB1, RC1, RD1, RK0, RK1, RK2);
602	write_blocks(RA2, RB2, RC2, RD2, RK0, RK1, RK2);
603
604	RET;
605SYM_FUNC_END(__serpent_enc_blk16)
606
607.align 8
608SYM_FUNC_START_LOCAL(__serpent_dec_blk16)
609	/* input:
610	 *	%rdi: ctx, CTX
611	 *	RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2: ciphertext
612	 * output:
613	 *	RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2: plaintext
614	 */
615
616	vpcmpeqd RNOT, RNOT, RNOT;
617
618	read_blocks(RA1, RB1, RC1, RD1, RK0, RK1, RK2);
619	read_blocks(RA2, RB2, RC2, RD2, RK0, RK1, RK2);
620
621						 K2(RA, RB, RC, RD, RE, 32);
622	SP(SI7, RA, RB, RC, RD, RE, 31);	KL2(RB, RD, RA, RE, RC, 31);
623	SP(SI6, RB, RD, RA, RE, RC, 30);	KL2(RA, RC, RE, RB, RD, 30);
624	SP(SI5, RA, RC, RE, RB, RD, 29);	KL2(RC, RD, RA, RE, RB, 29);
625	SP(SI4, RC, RD, RA, RE, RB, 28);	KL2(RC, RA, RB, RE, RD, 28);
626	SP(SI3, RC, RA, RB, RE, RD, 27);	KL2(RB, RC, RD, RE, RA, 27);
627	SP(SI2, RB, RC, RD, RE, RA, 26);	KL2(RC, RA, RE, RD, RB, 26);
628	SP(SI1, RC, RA, RE, RD, RB, 25);	KL2(RB, RA, RE, RD, RC, 25);
629	SP(SI0, RB, RA, RE, RD, RC, 24);	KL2(RE, RC, RA, RB, RD, 24);
630	SP(SI7, RE, RC, RA, RB, RD, 23);	KL2(RC, RB, RE, RD, RA, 23);
631	SP(SI6, RC, RB, RE, RD, RA, 22);	KL2(RE, RA, RD, RC, RB, 22);
632	SP(SI5, RE, RA, RD, RC, RB, 21);	KL2(RA, RB, RE, RD, RC, 21);
633	SP(SI4, RA, RB, RE, RD, RC, 20);	KL2(RA, RE, RC, RD, RB, 20);
634	SP(SI3, RA, RE, RC, RD, RB, 19);	KL2(RC, RA, RB, RD, RE, 19);
635	SP(SI2, RC, RA, RB, RD, RE, 18);	KL2(RA, RE, RD, RB, RC, 18);
636	SP(SI1, RA, RE, RD, RB, RC, 17);	KL2(RC, RE, RD, RB, RA, 17);
637	SP(SI0, RC, RE, RD, RB, RA, 16);	KL2(RD, RA, RE, RC, RB, 16);
638	SP(SI7, RD, RA, RE, RC, RB, 15);	KL2(RA, RC, RD, RB, RE, 15);
639	SP(SI6, RA, RC, RD, RB, RE, 14);	KL2(RD, RE, RB, RA, RC, 14);
640	SP(SI5, RD, RE, RB, RA, RC, 13);	KL2(RE, RC, RD, RB, RA, 13);
641	SP(SI4, RE, RC, RD, RB, RA, 12);	KL2(RE, RD, RA, RB, RC, 12);
642	SP(SI3, RE, RD, RA, RB, RC, 11);	KL2(RA, RE, RC, RB, RD, 11);
643	SP(SI2, RA, RE, RC, RB, RD, 10);	KL2(RE, RD, RB, RC, RA, 10);
644	SP(SI1, RE, RD, RB, RC, RA, 9);		KL2(RA, RD, RB, RC, RE, 9);
645	SP(SI0, RA, RD, RB, RC, RE, 8);		KL2(RB, RE, RD, RA, RC, 8);
646	SP(SI7, RB, RE, RD, RA, RC, 7);		KL2(RE, RA, RB, RC, RD, 7);
647	SP(SI6, RE, RA, RB, RC, RD, 6);		KL2(RB, RD, RC, RE, RA, 6);
648	SP(SI5, RB, RD, RC, RE, RA, 5);		KL2(RD, RA, RB, RC, RE, 5);
649	SP(SI4, RD, RA, RB, RC, RE, 4);		KL2(RD, RB, RE, RC, RA, 4);
650	SP(SI3, RD, RB, RE, RC, RA, 3);		KL2(RE, RD, RA, RC, RB, 3);
651	SP(SI2, RE, RD, RA, RC, RB, 2);		KL2(RD, RB, RC, RA, RE, 2);
652	SP(SI1, RD, RB, RC, RA, RE, 1);		KL2(RE, RB, RC, RA, RD, 1);
653	S(SI0, RE, RB, RC, RA, RD);		 K2(RC, RD, RB, RE, RA, 0);
654
655	write_blocks(RC1, RD1, RB1, RE1, RK0, RK1, RK2);
656	write_blocks(RC2, RD2, RB2, RE2, RK0, RK1, RK2);
657
658	RET;
659SYM_FUNC_END(__serpent_dec_blk16)
660
661SYM_FUNC_START(serpent_ecb_enc_16way)
662	/* input:
663	 *	%rdi: ctx, CTX
664	 *	%rsi: dst
665	 *	%rdx: src
666	 */
667	FRAME_BEGIN
668
669	vzeroupper;
670
671	load_16way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
672
673	call __serpent_enc_blk16;
674
675	store_16way(%rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
676
677	vzeroupper;
678
679	FRAME_END
680	RET;
681SYM_FUNC_END(serpent_ecb_enc_16way)
682
683SYM_FUNC_START(serpent_ecb_dec_16way)
684	/* input:
685	 *	%rdi: ctx, CTX
686	 *	%rsi: dst
687	 *	%rdx: src
688	 */
689	FRAME_BEGIN
690
691	vzeroupper;
692
693	load_16way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
694
695	call __serpent_dec_blk16;
696
697	store_16way(%rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2);
698
699	vzeroupper;
700
701	FRAME_END
702	RET;
703SYM_FUNC_END(serpent_ecb_dec_16way)
704
705SYM_FUNC_START(serpent_cbc_dec_16way)
706	/* input:
707	 *	%rdi: ctx, CTX
708	 *	%rsi: dst
709	 *	%rdx: src
710	 */
711	FRAME_BEGIN
712
713	vzeroupper;
714
715	load_16way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2);
716
717	call __serpent_dec_blk16;
718
719	store_cbc_16way(%rdx, %rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2,
720			RK0);
721
722	vzeroupper;
723
724	FRAME_END
725	RET;
726SYM_FUNC_END(serpent_cbc_dec_16way)
727