salsa20-amd64.S 20 KB

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  1. /* salsa20-amd64.S - AMD64 implementation of Salsa20
  2. *
  3. * Copyright (C) 2013 Jussi Kivilinna <jussi.kivilinna@iki.fi>
  4. *
  5. * This file is part of Libgcrypt.
  6. *
  7. * Libgcrypt is free software; you can redistribute it and/or modify
  8. * it under the terms of the GNU Lesser General Public License as
  9. * published by the Free Software Foundation; either version 2.1 of
  10. * the License, or (at your option) any later version.
  11. *
  12. * Libgcrypt is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. * GNU Lesser General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU Lesser General Public
  18. * License along with this program; if not, see <http://www.gnu.org/licenses/>.
  19. */
  20. /*
  21. * Based on public domain implementation by D. J. Bernstein at
  22. * http://cr.yp.to/snuffle.html
  23. */
  24. #ifdef __x86_64
  25. #include <config.h>
  26. #if (defined(HAVE_COMPATIBLE_GCC_AMD64_PLATFORM_AS) || \
  27. defined(HAVE_COMPATIBLE_GCC_WIN64_PLATFORM_AS)) && defined(USE_SALSA20)
  28. #include "asm-common-amd64.h"
  29. .text
  30. .align 16
  31. .globl _gcry_salsa20_amd64_keysetup
  32. ELF(.type _gcry_salsa20_amd64_keysetup,@function;)
  33. _gcry_salsa20_amd64_keysetup:
  34. CFI_STARTPROC();
  35. movl 0(%rsi),%r8d
  36. movl 4(%rsi),%r9d
  37. movl 8(%rsi),%eax
  38. movl 12(%rsi),%r10d
  39. movl %r8d,20(%rdi)
  40. movl %r9d,40(%rdi)
  41. movl %eax,60(%rdi)
  42. movl %r10d,48(%rdi)
  43. cmp $256,%rdx
  44. jb .L_kbits128
  45. .L_kbits256:
  46. movl 16(%rsi),%edx
  47. movl 20(%rsi),%ecx
  48. movl 24(%rsi),%r8d
  49. movl 28(%rsi),%esi
  50. movl %edx,28(%rdi)
  51. movl %ecx,16(%rdi)
  52. movl %r8d,36(%rdi)
  53. movl %esi,56(%rdi)
  54. mov $1634760805,%rsi
  55. mov $857760878,%rdx
  56. mov $2036477234,%rcx
  57. mov $1797285236,%r8
  58. movl %esi,0(%rdi)
  59. movl %edx,4(%rdi)
  60. movl %ecx,8(%rdi)
  61. movl %r8d,12(%rdi)
  62. jmp .L_keysetupdone
  63. .L_kbits128:
  64. movl 0(%rsi),%edx
  65. movl 4(%rsi),%ecx
  66. movl 8(%rsi),%r8d
  67. movl 12(%rsi),%esi
  68. movl %edx,28(%rdi)
  69. movl %ecx,16(%rdi)
  70. movl %r8d,36(%rdi)
  71. movl %esi,56(%rdi)
  72. mov $1634760805,%rsi
  73. mov $824206446,%rdx
  74. mov $2036477238,%rcx
  75. mov $1797285236,%r8
  76. movl %esi,0(%rdi)
  77. movl %edx,4(%rdi)
  78. movl %ecx,8(%rdi)
  79. movl %r8d,12(%rdi)
  80. .L_keysetupdone:
  81. ret_spec_stop
  82. CFI_ENDPROC();
  83. .align 16
  84. .globl _gcry_salsa20_amd64_ivsetup
  85. ELF(.type _gcry_salsa20_amd64_ivsetup,@function;)
  86. _gcry_salsa20_amd64_ivsetup:
  87. CFI_STARTPROC();
  88. movl 0(%rsi),%r8d
  89. movl 4(%rsi),%esi
  90. mov $0,%r9
  91. mov $0,%rax
  92. movl %r8d,24(%rdi)
  93. movl %esi,44(%rdi)
  94. movl %r9d,32(%rdi)
  95. movl %eax,52(%rdi)
  96. ret_spec_stop
  97. CFI_ENDPROC();
  98. .align 16
  99. .globl _gcry_salsa20_amd64_encrypt_blocks
  100. ELF(.type _gcry_salsa20_amd64_encrypt_blocks,@function;)
  101. _gcry_salsa20_amd64_encrypt_blocks:
  102. /*
  103. * Modifications to original implementation:
  104. * - Number of rounds passing in register %r8 (for Salsa20/12).
  105. * - Length is input as number of blocks, so don't handle tail bytes
  106. * (this is done in salsa20.c).
  107. */
  108. CFI_STARTPROC();
  109. push %rbx
  110. CFI_PUSH(%rbx);
  111. shlq $6, %rcx /* blocks to bytes */
  112. mov %r8, %rbx
  113. mov %rsp,%r11
  114. CFI_DEF_CFA_REGISTER(%r11);
  115. sub $384,%rsp
  116. and $~31,%rsp
  117. mov %rdi,%r8
  118. mov %rsi,%rsi
  119. mov %rdx,%rdi
  120. mov %rcx,%rdx
  121. cmp $0,%rdx
  122. jbe .L_done
  123. .L_start:
  124. cmp $256,%rdx
  125. jb .L_bytes_are_64_128_or_192
  126. movdqa 0(%r8),%xmm0
  127. pshufd $0x55,%xmm0,%xmm1
  128. pshufd $0xaa,%xmm0,%xmm2
  129. pshufd $0xff,%xmm0,%xmm3
  130. pshufd $0x00,%xmm0,%xmm0
  131. movdqa %xmm1,0(%rsp)
  132. movdqa %xmm2,16(%rsp)
  133. movdqa %xmm3,32(%rsp)
  134. movdqa %xmm0,48(%rsp)
  135. movdqa 16(%r8),%xmm0
  136. pshufd $0xaa,%xmm0,%xmm1
  137. pshufd $0xff,%xmm0,%xmm2
  138. pshufd $0x00,%xmm0,%xmm3
  139. pshufd $0x55,%xmm0,%xmm0
  140. movdqa %xmm1,64(%rsp)
  141. movdqa %xmm2,80(%rsp)
  142. movdqa %xmm3,96(%rsp)
  143. movdqa %xmm0,112(%rsp)
  144. movdqa 32(%r8),%xmm0
  145. pshufd $0xff,%xmm0,%xmm1
  146. pshufd $0x55,%xmm0,%xmm2
  147. pshufd $0xaa,%xmm0,%xmm0
  148. movdqa %xmm1,128(%rsp)
  149. movdqa %xmm2,144(%rsp)
  150. movdqa %xmm0,160(%rsp)
  151. movdqa 48(%r8),%xmm0
  152. pshufd $0x00,%xmm0,%xmm1
  153. pshufd $0xaa,%xmm0,%xmm2
  154. pshufd $0xff,%xmm0,%xmm0
  155. movdqa %xmm1,176(%rsp)
  156. movdqa %xmm2,192(%rsp)
  157. movdqa %xmm0,208(%rsp)
  158. .L_bytesatleast256:
  159. movl 32(%r8),%ecx
  160. movl 52(%r8),%r9d
  161. movl %ecx,224(%rsp)
  162. movl %r9d,240(%rsp)
  163. add $1,%ecx
  164. adc $0,%r9d
  165. movl %ecx,4+224(%rsp)
  166. movl %r9d,4+240(%rsp)
  167. add $1,%ecx
  168. adc $0,%r9d
  169. movl %ecx,8+224(%rsp)
  170. movl %r9d,8+240(%rsp)
  171. add $1,%ecx
  172. adc $0,%r9d
  173. movl %ecx,12+224(%rsp)
  174. movl %r9d,12+240(%rsp)
  175. add $1,%ecx
  176. adc $0,%r9d
  177. movl %ecx,32(%r8)
  178. movl %r9d,52(%r8)
  179. movq %rdx,288(%rsp)
  180. mov %rbx,%rdx
  181. movdqa 0(%rsp),%xmm0
  182. movdqa 16(%rsp),%xmm1
  183. movdqa 32(%rsp),%xmm2
  184. movdqa 192(%rsp),%xmm3
  185. movdqa 208(%rsp),%xmm4
  186. movdqa 64(%rsp),%xmm5
  187. movdqa 80(%rsp),%xmm6
  188. movdqa 112(%rsp),%xmm7
  189. movdqa 128(%rsp),%xmm8
  190. movdqa 144(%rsp),%xmm9
  191. movdqa 160(%rsp),%xmm10
  192. movdqa 240(%rsp),%xmm11
  193. movdqa 48(%rsp),%xmm12
  194. movdqa 96(%rsp),%xmm13
  195. movdqa 176(%rsp),%xmm14
  196. movdqa 224(%rsp),%xmm15
  197. .L_mainloop1:
  198. movdqa %xmm1,256(%rsp)
  199. movdqa %xmm2,272(%rsp)
  200. movdqa %xmm13,%xmm1
  201. paddd %xmm12,%xmm1
  202. movdqa %xmm1,%xmm2
  203. pslld $7,%xmm1
  204. pxor %xmm1,%xmm14
  205. psrld $25,%xmm2
  206. pxor %xmm2,%xmm14
  207. movdqa %xmm7,%xmm1
  208. paddd %xmm0,%xmm1
  209. movdqa %xmm1,%xmm2
  210. pslld $7,%xmm1
  211. pxor %xmm1,%xmm11
  212. psrld $25,%xmm2
  213. pxor %xmm2,%xmm11
  214. movdqa %xmm12,%xmm1
  215. paddd %xmm14,%xmm1
  216. movdqa %xmm1,%xmm2
  217. pslld $9,%xmm1
  218. pxor %xmm1,%xmm15
  219. psrld $23,%xmm2
  220. pxor %xmm2,%xmm15
  221. movdqa %xmm0,%xmm1
  222. paddd %xmm11,%xmm1
  223. movdqa %xmm1,%xmm2
  224. pslld $9,%xmm1
  225. pxor %xmm1,%xmm9
  226. psrld $23,%xmm2
  227. pxor %xmm2,%xmm9
  228. movdqa %xmm14,%xmm1
  229. paddd %xmm15,%xmm1
  230. movdqa %xmm1,%xmm2
  231. pslld $13,%xmm1
  232. pxor %xmm1,%xmm13
  233. psrld $19,%xmm2
  234. pxor %xmm2,%xmm13
  235. movdqa %xmm11,%xmm1
  236. paddd %xmm9,%xmm1
  237. movdqa %xmm1,%xmm2
  238. pslld $13,%xmm1
  239. pxor %xmm1,%xmm7
  240. psrld $19,%xmm2
  241. pxor %xmm2,%xmm7
  242. movdqa %xmm15,%xmm1
  243. paddd %xmm13,%xmm1
  244. movdqa %xmm1,%xmm2
  245. pslld $18,%xmm1
  246. pxor %xmm1,%xmm12
  247. psrld $14,%xmm2
  248. pxor %xmm2,%xmm12
  249. movdqa 256(%rsp),%xmm1
  250. movdqa %xmm12,256(%rsp)
  251. movdqa %xmm9,%xmm2
  252. paddd %xmm7,%xmm2
  253. movdqa %xmm2,%xmm12
  254. pslld $18,%xmm2
  255. pxor %xmm2,%xmm0
  256. psrld $14,%xmm12
  257. pxor %xmm12,%xmm0
  258. movdqa %xmm5,%xmm2
  259. paddd %xmm1,%xmm2
  260. movdqa %xmm2,%xmm12
  261. pslld $7,%xmm2
  262. pxor %xmm2,%xmm3
  263. psrld $25,%xmm12
  264. pxor %xmm12,%xmm3
  265. movdqa 272(%rsp),%xmm2
  266. movdqa %xmm0,272(%rsp)
  267. movdqa %xmm6,%xmm0
  268. paddd %xmm2,%xmm0
  269. movdqa %xmm0,%xmm12
  270. pslld $7,%xmm0
  271. pxor %xmm0,%xmm4
  272. psrld $25,%xmm12
  273. pxor %xmm12,%xmm4
  274. movdqa %xmm1,%xmm0
  275. paddd %xmm3,%xmm0
  276. movdqa %xmm0,%xmm12
  277. pslld $9,%xmm0
  278. pxor %xmm0,%xmm10
  279. psrld $23,%xmm12
  280. pxor %xmm12,%xmm10
  281. movdqa %xmm2,%xmm0
  282. paddd %xmm4,%xmm0
  283. movdqa %xmm0,%xmm12
  284. pslld $9,%xmm0
  285. pxor %xmm0,%xmm8
  286. psrld $23,%xmm12
  287. pxor %xmm12,%xmm8
  288. movdqa %xmm3,%xmm0
  289. paddd %xmm10,%xmm0
  290. movdqa %xmm0,%xmm12
  291. pslld $13,%xmm0
  292. pxor %xmm0,%xmm5
  293. psrld $19,%xmm12
  294. pxor %xmm12,%xmm5
  295. movdqa %xmm4,%xmm0
  296. paddd %xmm8,%xmm0
  297. movdqa %xmm0,%xmm12
  298. pslld $13,%xmm0
  299. pxor %xmm0,%xmm6
  300. psrld $19,%xmm12
  301. pxor %xmm12,%xmm6
  302. movdqa %xmm10,%xmm0
  303. paddd %xmm5,%xmm0
  304. movdqa %xmm0,%xmm12
  305. pslld $18,%xmm0
  306. pxor %xmm0,%xmm1
  307. psrld $14,%xmm12
  308. pxor %xmm12,%xmm1
  309. movdqa 256(%rsp),%xmm0
  310. movdqa %xmm1,256(%rsp)
  311. movdqa %xmm4,%xmm1
  312. paddd %xmm0,%xmm1
  313. movdqa %xmm1,%xmm12
  314. pslld $7,%xmm1
  315. pxor %xmm1,%xmm7
  316. psrld $25,%xmm12
  317. pxor %xmm12,%xmm7
  318. movdqa %xmm8,%xmm1
  319. paddd %xmm6,%xmm1
  320. movdqa %xmm1,%xmm12
  321. pslld $18,%xmm1
  322. pxor %xmm1,%xmm2
  323. psrld $14,%xmm12
  324. pxor %xmm12,%xmm2
  325. movdqa 272(%rsp),%xmm12
  326. movdqa %xmm2,272(%rsp)
  327. movdqa %xmm14,%xmm1
  328. paddd %xmm12,%xmm1
  329. movdqa %xmm1,%xmm2
  330. pslld $7,%xmm1
  331. pxor %xmm1,%xmm5
  332. psrld $25,%xmm2
  333. pxor %xmm2,%xmm5
  334. movdqa %xmm0,%xmm1
  335. paddd %xmm7,%xmm1
  336. movdqa %xmm1,%xmm2
  337. pslld $9,%xmm1
  338. pxor %xmm1,%xmm10
  339. psrld $23,%xmm2
  340. pxor %xmm2,%xmm10
  341. movdqa %xmm12,%xmm1
  342. paddd %xmm5,%xmm1
  343. movdqa %xmm1,%xmm2
  344. pslld $9,%xmm1
  345. pxor %xmm1,%xmm8
  346. psrld $23,%xmm2
  347. pxor %xmm2,%xmm8
  348. movdqa %xmm7,%xmm1
  349. paddd %xmm10,%xmm1
  350. movdqa %xmm1,%xmm2
  351. pslld $13,%xmm1
  352. pxor %xmm1,%xmm4
  353. psrld $19,%xmm2
  354. pxor %xmm2,%xmm4
  355. movdqa %xmm5,%xmm1
  356. paddd %xmm8,%xmm1
  357. movdqa %xmm1,%xmm2
  358. pslld $13,%xmm1
  359. pxor %xmm1,%xmm14
  360. psrld $19,%xmm2
  361. pxor %xmm2,%xmm14
  362. movdqa %xmm10,%xmm1
  363. paddd %xmm4,%xmm1
  364. movdqa %xmm1,%xmm2
  365. pslld $18,%xmm1
  366. pxor %xmm1,%xmm0
  367. psrld $14,%xmm2
  368. pxor %xmm2,%xmm0
  369. movdqa 256(%rsp),%xmm1
  370. movdqa %xmm0,256(%rsp)
  371. movdqa %xmm8,%xmm0
  372. paddd %xmm14,%xmm0
  373. movdqa %xmm0,%xmm2
  374. pslld $18,%xmm0
  375. pxor %xmm0,%xmm12
  376. psrld $14,%xmm2
  377. pxor %xmm2,%xmm12
  378. movdqa %xmm11,%xmm0
  379. paddd %xmm1,%xmm0
  380. movdqa %xmm0,%xmm2
  381. pslld $7,%xmm0
  382. pxor %xmm0,%xmm6
  383. psrld $25,%xmm2
  384. pxor %xmm2,%xmm6
  385. movdqa 272(%rsp),%xmm2
  386. movdqa %xmm12,272(%rsp)
  387. movdqa %xmm3,%xmm0
  388. paddd %xmm2,%xmm0
  389. movdqa %xmm0,%xmm12
  390. pslld $7,%xmm0
  391. pxor %xmm0,%xmm13
  392. psrld $25,%xmm12
  393. pxor %xmm12,%xmm13
  394. movdqa %xmm1,%xmm0
  395. paddd %xmm6,%xmm0
  396. movdqa %xmm0,%xmm12
  397. pslld $9,%xmm0
  398. pxor %xmm0,%xmm15
  399. psrld $23,%xmm12
  400. pxor %xmm12,%xmm15
  401. movdqa %xmm2,%xmm0
  402. paddd %xmm13,%xmm0
  403. movdqa %xmm0,%xmm12
  404. pslld $9,%xmm0
  405. pxor %xmm0,%xmm9
  406. psrld $23,%xmm12
  407. pxor %xmm12,%xmm9
  408. movdqa %xmm6,%xmm0
  409. paddd %xmm15,%xmm0
  410. movdqa %xmm0,%xmm12
  411. pslld $13,%xmm0
  412. pxor %xmm0,%xmm11
  413. psrld $19,%xmm12
  414. pxor %xmm12,%xmm11
  415. movdqa %xmm13,%xmm0
  416. paddd %xmm9,%xmm0
  417. movdqa %xmm0,%xmm12
  418. pslld $13,%xmm0
  419. pxor %xmm0,%xmm3
  420. psrld $19,%xmm12
  421. pxor %xmm12,%xmm3
  422. movdqa %xmm15,%xmm0
  423. paddd %xmm11,%xmm0
  424. movdqa %xmm0,%xmm12
  425. pslld $18,%xmm0
  426. pxor %xmm0,%xmm1
  427. psrld $14,%xmm12
  428. pxor %xmm12,%xmm1
  429. movdqa %xmm9,%xmm0
  430. paddd %xmm3,%xmm0
  431. movdqa %xmm0,%xmm12
  432. pslld $18,%xmm0
  433. pxor %xmm0,%xmm2
  434. psrld $14,%xmm12
  435. pxor %xmm12,%xmm2
  436. movdqa 256(%rsp),%xmm12
  437. movdqa 272(%rsp),%xmm0
  438. sub $2,%rdx
  439. ja .L_mainloop1
  440. paddd 48(%rsp),%xmm12
  441. paddd 112(%rsp),%xmm7
  442. paddd 160(%rsp),%xmm10
  443. paddd 208(%rsp),%xmm4
  444. movd %xmm12,%rdx
  445. movd %xmm7,%rcx
  446. movd %xmm10,%r9
  447. movd %xmm4,%rax
  448. pshufd $0x39,%xmm12,%xmm12
  449. pshufd $0x39,%xmm7,%xmm7
  450. pshufd $0x39,%xmm10,%xmm10
  451. pshufd $0x39,%xmm4,%xmm4
  452. xorl 0(%rsi),%edx
  453. xorl 4(%rsi),%ecx
  454. xorl 8(%rsi),%r9d
  455. xorl 12(%rsi),%eax
  456. movl %edx,0(%rdi)
  457. movl %ecx,4(%rdi)
  458. movl %r9d,8(%rdi)
  459. movl %eax,12(%rdi)
  460. movd %xmm12,%rdx
  461. movd %xmm7,%rcx
  462. movd %xmm10,%r9
  463. movd %xmm4,%rax
  464. pshufd $0x39,%xmm12,%xmm12
  465. pshufd $0x39,%xmm7,%xmm7
  466. pshufd $0x39,%xmm10,%xmm10
  467. pshufd $0x39,%xmm4,%xmm4
  468. xorl 64(%rsi),%edx
  469. xorl 68(%rsi),%ecx
  470. xorl 72(%rsi),%r9d
  471. xorl 76(%rsi),%eax
  472. movl %edx,64(%rdi)
  473. movl %ecx,68(%rdi)
  474. movl %r9d,72(%rdi)
  475. movl %eax,76(%rdi)
  476. movd %xmm12,%rdx
  477. movd %xmm7,%rcx
  478. movd %xmm10,%r9
  479. movd %xmm4,%rax
  480. pshufd $0x39,%xmm12,%xmm12
  481. pshufd $0x39,%xmm7,%xmm7
  482. pshufd $0x39,%xmm10,%xmm10
  483. pshufd $0x39,%xmm4,%xmm4
  484. xorl 128(%rsi),%edx
  485. xorl 132(%rsi),%ecx
  486. xorl 136(%rsi),%r9d
  487. xorl 140(%rsi),%eax
  488. movl %edx,128(%rdi)
  489. movl %ecx,132(%rdi)
  490. movl %r9d,136(%rdi)
  491. movl %eax,140(%rdi)
  492. movd %xmm12,%rdx
  493. movd %xmm7,%rcx
  494. movd %xmm10,%r9
  495. movd %xmm4,%rax
  496. xorl 192(%rsi),%edx
  497. xorl 196(%rsi),%ecx
  498. xorl 200(%rsi),%r9d
  499. xorl 204(%rsi),%eax
  500. movl %edx,192(%rdi)
  501. movl %ecx,196(%rdi)
  502. movl %r9d,200(%rdi)
  503. movl %eax,204(%rdi)
  504. paddd 176(%rsp),%xmm14
  505. paddd 0(%rsp),%xmm0
  506. paddd 64(%rsp),%xmm5
  507. paddd 128(%rsp),%xmm8
  508. movd %xmm14,%rdx
  509. movd %xmm0,%rcx
  510. movd %xmm5,%r9
  511. movd %xmm8,%rax
  512. pshufd $0x39,%xmm14,%xmm14
  513. pshufd $0x39,%xmm0,%xmm0
  514. pshufd $0x39,%xmm5,%xmm5
  515. pshufd $0x39,%xmm8,%xmm8
  516. xorl 16(%rsi),%edx
  517. xorl 20(%rsi),%ecx
  518. xorl 24(%rsi),%r9d
  519. xorl 28(%rsi),%eax
  520. movl %edx,16(%rdi)
  521. movl %ecx,20(%rdi)
  522. movl %r9d,24(%rdi)
  523. movl %eax,28(%rdi)
  524. movd %xmm14,%rdx
  525. movd %xmm0,%rcx
  526. movd %xmm5,%r9
  527. movd %xmm8,%rax
  528. pshufd $0x39,%xmm14,%xmm14
  529. pshufd $0x39,%xmm0,%xmm0
  530. pshufd $0x39,%xmm5,%xmm5
  531. pshufd $0x39,%xmm8,%xmm8
  532. xorl 80(%rsi),%edx
  533. xorl 84(%rsi),%ecx
  534. xorl 88(%rsi),%r9d
  535. xorl 92(%rsi),%eax
  536. movl %edx,80(%rdi)
  537. movl %ecx,84(%rdi)
  538. movl %r9d,88(%rdi)
  539. movl %eax,92(%rdi)
  540. movd %xmm14,%rdx
  541. movd %xmm0,%rcx
  542. movd %xmm5,%r9
  543. movd %xmm8,%rax
  544. pshufd $0x39,%xmm14,%xmm14
  545. pshufd $0x39,%xmm0,%xmm0
  546. pshufd $0x39,%xmm5,%xmm5
  547. pshufd $0x39,%xmm8,%xmm8
  548. xorl 144(%rsi),%edx
  549. xorl 148(%rsi),%ecx
  550. xorl 152(%rsi),%r9d
  551. xorl 156(%rsi),%eax
  552. movl %edx,144(%rdi)
  553. movl %ecx,148(%rdi)
  554. movl %r9d,152(%rdi)
  555. movl %eax,156(%rdi)
  556. movd %xmm14,%rdx
  557. movd %xmm0,%rcx
  558. movd %xmm5,%r9
  559. movd %xmm8,%rax
  560. xorl 208(%rsi),%edx
  561. xorl 212(%rsi),%ecx
  562. xorl 216(%rsi),%r9d
  563. xorl 220(%rsi),%eax
  564. movl %edx,208(%rdi)
  565. movl %ecx,212(%rdi)
  566. movl %r9d,216(%rdi)
  567. movl %eax,220(%rdi)
  568. paddd 224(%rsp),%xmm15
  569. paddd 240(%rsp),%xmm11
  570. paddd 16(%rsp),%xmm1
  571. paddd 80(%rsp),%xmm6
  572. movd %xmm15,%rdx
  573. movd %xmm11,%rcx
  574. movd %xmm1,%r9
  575. movd %xmm6,%rax
  576. pshufd $0x39,%xmm15,%xmm15
  577. pshufd $0x39,%xmm11,%xmm11
  578. pshufd $0x39,%xmm1,%xmm1
  579. pshufd $0x39,%xmm6,%xmm6
  580. xorl 32(%rsi),%edx
  581. xorl 36(%rsi),%ecx
  582. xorl 40(%rsi),%r9d
  583. xorl 44(%rsi),%eax
  584. movl %edx,32(%rdi)
  585. movl %ecx,36(%rdi)
  586. movl %r9d,40(%rdi)
  587. movl %eax,44(%rdi)
  588. movd %xmm15,%rdx
  589. movd %xmm11,%rcx
  590. movd %xmm1,%r9
  591. movd %xmm6,%rax
  592. pshufd $0x39,%xmm15,%xmm15
  593. pshufd $0x39,%xmm11,%xmm11
  594. pshufd $0x39,%xmm1,%xmm1
  595. pshufd $0x39,%xmm6,%xmm6
  596. xorl 96(%rsi),%edx
  597. xorl 100(%rsi),%ecx
  598. xorl 104(%rsi),%r9d
  599. xorl 108(%rsi),%eax
  600. movl %edx,96(%rdi)
  601. movl %ecx,100(%rdi)
  602. movl %r9d,104(%rdi)
  603. movl %eax,108(%rdi)
  604. movd %xmm15,%rdx
  605. movd %xmm11,%rcx
  606. movd %xmm1,%r9
  607. movd %xmm6,%rax
  608. pshufd $0x39,%xmm15,%xmm15
  609. pshufd $0x39,%xmm11,%xmm11
  610. pshufd $0x39,%xmm1,%xmm1
  611. pshufd $0x39,%xmm6,%xmm6
  612. xorl 160(%rsi),%edx
  613. xorl 164(%rsi),%ecx
  614. xorl 168(%rsi),%r9d
  615. xorl 172(%rsi),%eax
  616. movl %edx,160(%rdi)
  617. movl %ecx,164(%rdi)
  618. movl %r9d,168(%rdi)
  619. movl %eax,172(%rdi)
  620. movd %xmm15,%rdx
  621. movd %xmm11,%rcx
  622. movd %xmm1,%r9
  623. movd %xmm6,%rax
  624. xorl 224(%rsi),%edx
  625. xorl 228(%rsi),%ecx
  626. xorl 232(%rsi),%r9d
  627. xorl 236(%rsi),%eax
  628. movl %edx,224(%rdi)
  629. movl %ecx,228(%rdi)
  630. movl %r9d,232(%rdi)
  631. movl %eax,236(%rdi)
  632. paddd 96(%rsp),%xmm13
  633. paddd 144(%rsp),%xmm9
  634. paddd 192(%rsp),%xmm3
  635. paddd 32(%rsp),%xmm2
  636. movd %xmm13,%rdx
  637. movd %xmm9,%rcx
  638. movd %xmm3,%r9
  639. movd %xmm2,%rax
  640. pshufd $0x39,%xmm13,%xmm13
  641. pshufd $0x39,%xmm9,%xmm9
  642. pshufd $0x39,%xmm3,%xmm3
  643. pshufd $0x39,%xmm2,%xmm2
  644. xorl 48(%rsi),%edx
  645. xorl 52(%rsi),%ecx
  646. xorl 56(%rsi),%r9d
  647. xorl 60(%rsi),%eax
  648. movl %edx,48(%rdi)
  649. movl %ecx,52(%rdi)
  650. movl %r9d,56(%rdi)
  651. movl %eax,60(%rdi)
  652. movd %xmm13,%rdx
  653. movd %xmm9,%rcx
  654. movd %xmm3,%r9
  655. movd %xmm2,%rax
  656. pshufd $0x39,%xmm13,%xmm13
  657. pshufd $0x39,%xmm9,%xmm9
  658. pshufd $0x39,%xmm3,%xmm3
  659. pshufd $0x39,%xmm2,%xmm2
  660. xorl 112(%rsi),%edx
  661. xorl 116(%rsi),%ecx
  662. xorl 120(%rsi),%r9d
  663. xorl 124(%rsi),%eax
  664. movl %edx,112(%rdi)
  665. movl %ecx,116(%rdi)
  666. movl %r9d,120(%rdi)
  667. movl %eax,124(%rdi)
  668. movd %xmm13,%rdx
  669. movd %xmm9,%rcx
  670. movd %xmm3,%r9
  671. movd %xmm2,%rax
  672. pshufd $0x39,%xmm13,%xmm13
  673. pshufd $0x39,%xmm9,%xmm9
  674. pshufd $0x39,%xmm3,%xmm3
  675. pshufd $0x39,%xmm2,%xmm2
  676. xorl 176(%rsi),%edx
  677. xorl 180(%rsi),%ecx
  678. xorl 184(%rsi),%r9d
  679. xorl 188(%rsi),%eax
  680. movl %edx,176(%rdi)
  681. movl %ecx,180(%rdi)
  682. movl %r9d,184(%rdi)
  683. movl %eax,188(%rdi)
  684. movd %xmm13,%rdx
  685. movd %xmm9,%rcx
  686. movd %xmm3,%r9
  687. movd %xmm2,%rax
  688. xorl 240(%rsi),%edx
  689. xorl 244(%rsi),%ecx
  690. xorl 248(%rsi),%r9d
  691. xorl 252(%rsi),%eax
  692. movl %edx,240(%rdi)
  693. movl %ecx,244(%rdi)
  694. movl %r9d,248(%rdi)
  695. movl %eax,252(%rdi)
  696. movq 288(%rsp),%rdx
  697. sub $256,%rdx
  698. add $256,%rsi
  699. add $256,%rdi
  700. cmp $256,%rdx
  701. jae .L_bytesatleast256
  702. cmp $0,%rdx
  703. jbe .L_done
  704. .L_bytes_are_64_128_or_192:
  705. movq %rdx,288(%rsp)
  706. movdqa 0(%r8),%xmm0
  707. movdqa 16(%r8),%xmm1
  708. movdqa 32(%r8),%xmm2
  709. movdqa 48(%r8),%xmm3
  710. movdqa %xmm1,%xmm4
  711. mov %rbx,%rdx
  712. .L_mainloop2:
  713. paddd %xmm0,%xmm4
  714. movdqa %xmm0,%xmm5
  715. movdqa %xmm4,%xmm6
  716. pslld $7,%xmm4
  717. psrld $25,%xmm6
  718. pxor %xmm4,%xmm3
  719. pxor %xmm6,%xmm3
  720. paddd %xmm3,%xmm5
  721. movdqa %xmm3,%xmm4
  722. movdqa %xmm5,%xmm6
  723. pslld $9,%xmm5
  724. psrld $23,%xmm6
  725. pxor %xmm5,%xmm2
  726. pshufd $0x93,%xmm3,%xmm3
  727. pxor %xmm6,%xmm2
  728. paddd %xmm2,%xmm4
  729. movdqa %xmm2,%xmm5
  730. movdqa %xmm4,%xmm6
  731. pslld $13,%xmm4
  732. psrld $19,%xmm6
  733. pxor %xmm4,%xmm1
  734. pshufd $0x4e,%xmm2,%xmm2
  735. pxor %xmm6,%xmm1
  736. paddd %xmm1,%xmm5
  737. movdqa %xmm3,%xmm4
  738. movdqa %xmm5,%xmm6
  739. pslld $18,%xmm5
  740. psrld $14,%xmm6
  741. pxor %xmm5,%xmm0
  742. pshufd $0x39,%xmm1,%xmm1
  743. pxor %xmm6,%xmm0
  744. paddd %xmm0,%xmm4
  745. movdqa %xmm0,%xmm5
  746. movdqa %xmm4,%xmm6
  747. pslld $7,%xmm4
  748. psrld $25,%xmm6
  749. pxor %xmm4,%xmm1
  750. pxor %xmm6,%xmm1
  751. paddd %xmm1,%xmm5
  752. movdqa %xmm1,%xmm4
  753. movdqa %xmm5,%xmm6
  754. pslld $9,%xmm5
  755. psrld $23,%xmm6
  756. pxor %xmm5,%xmm2
  757. pshufd $0x93,%xmm1,%xmm1
  758. pxor %xmm6,%xmm2
  759. paddd %xmm2,%xmm4
  760. movdqa %xmm2,%xmm5
  761. movdqa %xmm4,%xmm6
  762. pslld $13,%xmm4
  763. psrld $19,%xmm6
  764. pxor %xmm4,%xmm3
  765. pshufd $0x4e,%xmm2,%xmm2
  766. pxor %xmm6,%xmm3
  767. paddd %xmm3,%xmm5
  768. movdqa %xmm1,%xmm4
  769. movdqa %xmm5,%xmm6
  770. pslld $18,%xmm5
  771. psrld $14,%xmm6
  772. pxor %xmm5,%xmm0
  773. pshufd $0x39,%xmm3,%xmm3
  774. pxor %xmm6,%xmm0
  775. paddd %xmm0,%xmm4
  776. movdqa %xmm0,%xmm5
  777. movdqa %xmm4,%xmm6
  778. pslld $7,%xmm4
  779. psrld $25,%xmm6
  780. pxor %xmm4,%xmm3
  781. pxor %xmm6,%xmm3
  782. paddd %xmm3,%xmm5
  783. movdqa %xmm3,%xmm4
  784. movdqa %xmm5,%xmm6
  785. pslld $9,%xmm5
  786. psrld $23,%xmm6
  787. pxor %xmm5,%xmm2
  788. pshufd $0x93,%xmm3,%xmm3
  789. pxor %xmm6,%xmm2
  790. paddd %xmm2,%xmm4
  791. movdqa %xmm2,%xmm5
  792. movdqa %xmm4,%xmm6
  793. pslld $13,%xmm4
  794. psrld $19,%xmm6
  795. pxor %xmm4,%xmm1
  796. pshufd $0x4e,%xmm2,%xmm2
  797. pxor %xmm6,%xmm1
  798. paddd %xmm1,%xmm5
  799. movdqa %xmm3,%xmm4
  800. movdqa %xmm5,%xmm6
  801. pslld $18,%xmm5
  802. psrld $14,%xmm6
  803. pxor %xmm5,%xmm0
  804. pshufd $0x39,%xmm1,%xmm1
  805. pxor %xmm6,%xmm0
  806. paddd %xmm0,%xmm4
  807. movdqa %xmm0,%xmm5
  808. movdqa %xmm4,%xmm6
  809. pslld $7,%xmm4
  810. psrld $25,%xmm6
  811. pxor %xmm4,%xmm1
  812. pxor %xmm6,%xmm1
  813. paddd %xmm1,%xmm5
  814. movdqa %xmm1,%xmm4
  815. movdqa %xmm5,%xmm6
  816. pslld $9,%xmm5
  817. psrld $23,%xmm6
  818. pxor %xmm5,%xmm2
  819. pshufd $0x93,%xmm1,%xmm1
  820. pxor %xmm6,%xmm2
  821. paddd %xmm2,%xmm4
  822. movdqa %xmm2,%xmm5
  823. movdqa %xmm4,%xmm6
  824. pslld $13,%xmm4
  825. psrld $19,%xmm6
  826. pxor %xmm4,%xmm3
  827. pshufd $0x4e,%xmm2,%xmm2
  828. pxor %xmm6,%xmm3
  829. sub $4,%rdx
  830. paddd %xmm3,%xmm5
  831. movdqa %xmm1,%xmm4
  832. movdqa %xmm5,%xmm6
  833. pslld $18,%xmm5
  834. pxor %xmm7,%xmm7
  835. psrld $14,%xmm6
  836. pxor %xmm5,%xmm0
  837. pshufd $0x39,%xmm3,%xmm3
  838. pxor %xmm6,%xmm0
  839. ja .L_mainloop2
  840. paddd 0(%r8),%xmm0
  841. paddd 16(%r8),%xmm1
  842. paddd 32(%r8),%xmm2
  843. paddd 48(%r8),%xmm3
  844. movd %xmm0,%rdx
  845. movd %xmm1,%rcx
  846. movd %xmm2,%rax
  847. movd %xmm3,%r10
  848. pshufd $0x39,%xmm0,%xmm0
  849. pshufd $0x39,%xmm1,%xmm1
  850. pshufd $0x39,%xmm2,%xmm2
  851. pshufd $0x39,%xmm3,%xmm3
  852. xorl 0(%rsi),%edx
  853. xorl 48(%rsi),%ecx
  854. xorl 32(%rsi),%eax
  855. xorl 16(%rsi),%r10d
  856. movl %edx,0(%rdi)
  857. movl %ecx,48(%rdi)
  858. movl %eax,32(%rdi)
  859. movl %r10d,16(%rdi)
  860. movd %xmm0,%rdx
  861. movd %xmm1,%rcx
  862. movd %xmm2,%rax
  863. movd %xmm3,%r10
  864. pshufd $0x39,%xmm0,%xmm0
  865. pshufd $0x39,%xmm1,%xmm1
  866. pshufd $0x39,%xmm2,%xmm2
  867. pshufd $0x39,%xmm3,%xmm3
  868. xorl 20(%rsi),%edx
  869. xorl 4(%rsi),%ecx
  870. xorl 52(%rsi),%eax
  871. xorl 36(%rsi),%r10d
  872. movl %edx,20(%rdi)
  873. movl %ecx,4(%rdi)
  874. movl %eax,52(%rdi)
  875. movl %r10d,36(%rdi)
  876. movd %xmm0,%rdx
  877. movd %xmm1,%rcx
  878. movd %xmm2,%rax
  879. movd %xmm3,%r10
  880. pshufd $0x39,%xmm0,%xmm0
  881. pshufd $0x39,%xmm1,%xmm1
  882. pshufd $0x39,%xmm2,%xmm2
  883. pshufd $0x39,%xmm3,%xmm3
  884. xorl 40(%rsi),%edx
  885. xorl 24(%rsi),%ecx
  886. xorl 8(%rsi),%eax
  887. xorl 56(%rsi),%r10d
  888. movl %edx,40(%rdi)
  889. movl %ecx,24(%rdi)
  890. movl %eax,8(%rdi)
  891. movl %r10d,56(%rdi)
  892. movd %xmm0,%rdx
  893. movd %xmm1,%rcx
  894. movd %xmm2,%rax
  895. movd %xmm3,%r10
  896. xorl 60(%rsi),%edx
  897. xorl 44(%rsi),%ecx
  898. xorl 28(%rsi),%eax
  899. xorl 12(%rsi),%r10d
  900. movl %edx,60(%rdi)
  901. movl %ecx,44(%rdi)
  902. movl %eax,28(%rdi)
  903. movl %r10d,12(%rdi)
  904. movq 288(%rsp),%rdx
  905. movl 32(%r8),%ecx
  906. movl 52(%r8),%eax
  907. add $1,%ecx
  908. adc $0,%eax
  909. movl %ecx,32(%r8)
  910. movl %eax,52(%r8)
  911. cmp $64,%rdx
  912. ja .L_bytes_are_128_or_192
  913. .L_done:
  914. CFI_REMEMBER_STATE();
  915. mov %r11,%rax
  916. sub %rsp,%rax
  917. mov %r11,%rsp
  918. CFI_REGISTER(%r11, %rsp)
  919. CFI_DEF_CFA_REGISTER(%rsp)
  920. pop %rbx
  921. CFI_POP(%rbx)
  922. ret_spec_stop
  923. CFI_RESTORE_STATE();
  924. .L_bytes_are_128_or_192:
  925. sub $64,%rdx
  926. add $64,%rdi
  927. add $64,%rsi
  928. jmp .L_bytes_are_64_128_or_192
  929. CFI_ENDPROC();
  930. ELF(.size _gcry_salsa20_amd64_encrypt_blocks,.-_gcry_salsa20_amd64_encrypt_blocks;)
  931. #endif /*defined(USE_SALSA20)*/
  932. #endif /*__x86_64*/