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OpenBLAS/kernel/sparc/zdot.S

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  1. /*********************************************************************/

  2. /* Copyright 2009, 2010 The University of Texas at Austin.           */

  3. /* All rights reserved.                                              */

  4. /*                                                                   */

  5. /* Redistribution and use in source and binary forms, with or        */

  6. /* without modification, are permitted provided that the following   */

  7. /* conditions are met:                                               */

  8. /*                                                                   */

  9. /*   1. Redistributions of source code must retain the above         */

  10. /*      copyright notice, this list of conditions and the following  */

  11. /*      disclaimer.                                                  */

  12. /*                                                                   */

  13. /*   2. Redistributions in binary form must reproduce the above      */

  14. /*      copyright notice, this list of conditions and the following  */

  15. /*      disclaimer in the documentation and/or other materials       */

  16. /*      provided with the distribution.                              */

  17. /*                                                                   */

  18. /*    THIS  SOFTWARE IS PROVIDED  BY THE  UNIVERSITY OF  TEXAS AT    */

  19. /*    AUSTIN  ``AS IS''  AND ANY  EXPRESS OR  IMPLIED WARRANTIES,    */

  20. /*    INCLUDING, BUT  NOT LIMITED  TO, THE IMPLIED  WARRANTIES OF    */

  21. /*    MERCHANTABILITY  AND FITNESS FOR  A PARTICULAR  PURPOSE ARE    */

  22. /*    DISCLAIMED.  IN  NO EVENT SHALL THE UNIVERSITY  OF TEXAS AT    */

  23. /*    AUSTIN OR CONTRIBUTORS BE  LIABLE FOR ANY DIRECT, INDIRECT,    */

  24. /*    INCIDENTAL,  SPECIAL, EXEMPLARY,  OR  CONSEQUENTIAL DAMAGES    */

  25. /*    (INCLUDING, BUT  NOT LIMITED TO,  PROCUREMENT OF SUBSTITUTE    */

  26. /*    GOODS  OR  SERVICES; LOSS  OF  USE,  DATA,  OR PROFITS;  OR    */

  27. /*    BUSINESS INTERRUPTION) HOWEVER CAUSED  AND ON ANY THEORY OF    */

  28. /*    LIABILITY, WHETHER  IN CONTRACT, STRICT  LIABILITY, OR TORT    */

  29. /*    (INCLUDING NEGLIGENCE OR OTHERWISE)  ARISING IN ANY WAY OUT    */

  30. /*    OF  THE  USE OF  THIS  SOFTWARE,  EVEN  IF ADVISED  OF  THE    */

  31. /*    POSSIBILITY OF SUCH DAMAGE.                                    */

  32. /*                                                                   */

  33. /* The views and conclusions contained in the software and           */

  34. /* documentation are those of the authors and should not be          */

  35. /* interpreted as representing official policies, either expressed   */

  36. /* or implied, of The University of Texas at Austin.                 */

  37. /*********************************************************************/

  38. 

  39. #define ASSEMBLER

  40. #include "common.h"

  41. 

  42. #if defined(F_INTERFACE) && defined(F_INTERFACE_F2C)

  43. #define OUT	%i0

  44. #define N	%i1

  45. #define X	%i2

  46. #define INCX	%i3

  47. #define Y	%i4

  48. #define INCY	%i5

  49. #else

  50. #define N	%i0

  51. #define X	%i1

  52. #define INCX	%i2

  53. #define Y	%i3

  54. #define INCY	%i4

  55. #endif

  56. 

  57. #define I	%l0

  58. 

  59. #ifdef DOUBLE

  60. #define c1	%f0

  61. #define c2	%f2

  62. #define c3	%f4

  63. #define c4	%f6

  64. #define t1	%f8

  65. #define t2	%f10

  66. #define t3	%f12

  67. #define t4	%f14

  68. #define a1	%f16

  69. #define a2	%f18

  70. #define a3	%f20

  71. #define a4	%f22

  72. #define a5	%f24

  73. #define a6	%f26

  74. #define a7	%f28

  75. #define a8	%f30

  76. 

  77. #define b1	%f32

  78. #define b2	%f34

  79. #define b3	%f36

  80. #define b4	%f38

  81. #define b5	%f40

  82. #define b6	%f42

  83. #define b7	%f44

  84. #define b8	%f46

  85. #else

  86. #define c1	%f0

  87. #define c2	%f1

  88. #define c3	%f2

  89. #define c4	%f3

  90. #define t1	%f4

  91. #define t2	%f5

  92. #define t3	%f6

  93. #define t4	%f7

  94. 

  95. #define a1	%f8

  96. #define a2	%f9

  97. #define a3	%f10

  98. #define a4	%f11

  99. #define a5	%f12

  100. #define a6	%f13

  101. #define a7	%f14

  102. #define a8	%f15

  103. 

  104. #define b1	%f16

  105. #define b2	%f17

  106. #define b3	%f18

  107. #define b4	%f19

  108. #define b5	%f20

  109. #define b6	%f21

  110. #define b7	%f22

  111. #define b8	%f23

  112. #endif

  113. 

  114. 	PROLOGUE

  115. 	SAVESP

  116. 

  117. #ifdef DOUBLE

  118. 	FCLR(0)

  119. 	FCLR(2)

  120. 	FCLR(4)

  121. 	FCLR(6)

  122. #else

  123. 	FCLR(0)

  124. 	FCLR(1)

  125. 	FCLR(2)

  126. 	FCLR(3)

  127. #endif

  128. 

  129. 	FMOV	c1, c4

  130. 	FMOV	c1, t1

  131. 	sll	INCX, ZBASE_SHIFT, INCX

  132. 	FMOV	c1, t2

  133. 	sll	INCY, ZBASE_SHIFT, INCY

  134. 	FMOV	c1, t3

  135. 	FMOV	c1, t4

  136. 

  137. 	cmp	INCX, 2 * SIZE

  138. 	bne	.LL50

  139. 	nop

  140. 	cmp	INCY, 2 * SIZE

  141. 	bne	.LL50

  142. 	nop

  143. 

  144. 	sra	N, 2, I

  145. 	cmp	I, 0

  146. 	ble,pn	%icc, .LL15

  147. 	nop

  148. 

  149. 	LDF	[X +  0 * SIZE], a1

  150. 	add	I, -1, I

  151. 	LDF	[Y +  0 * SIZE], b1

  152. 	cmp	I, 0

  153. 	LDF	[X +  1 * SIZE], a2

  154. 	LDF	[Y +  1 * SIZE], b2

  155. 	LDF	[X +  2 * SIZE], a3

  156. 	LDF	[Y +  2 * SIZE], b3

  157. 	LDF	[X +  3 * SIZE], a4

  158. 	LDF	[Y +  3 * SIZE], b4

  159. 	LDF	[X +  4 * SIZE], a5

  160. 	LDF	[Y +  4 * SIZE], b5

  161. 	LDF	[X +  5 * SIZE], a6

  162. 	LDF	[Y +  5 * SIZE], b6

  163. 	LDF	[X +  6 * SIZE], a7

  164. 	LDF	[Y +  6 * SIZE], b7

  165. 	LDF	[X +  7 * SIZE], a8

  166. 	add	X, 8 * SIZE, X

  167. 	LDF	[Y +  7 * SIZE], b8

  168. 	ble,pt	%icc, .LL12

  169. 	add	Y, 8 * SIZE, Y

  170. 

  171. #define PREFETCHSIZE 40

  172. 

  173. .LL11:

  174. 	prefetch [X  + PREFETCHSIZE * SIZE], 0

  175. 	FADD	c1, t1, c1

  176. 	prefetch [Y  + PREFETCHSIZE * SIZE], 0

  177. 	FMUL	a1, b1,	t1

  178. 

  179. 	FADD	c2, t2, c2

  180. 	FMUL	a2, b1,	t2

  181. 	LDF	[Y +  0 * SIZE], b1

  182. 

  183. 	FADD	c3, t3, c3

  184. 	FMUL	a1, b2,	t3

  185. 	LDF	[X +  0 * SIZE], a1

  186. 

  187. 	FADD	c4, t4, c4

  188. 	FMUL	a2, b2,	t4

  189. 	LDF	[X +  1 * SIZE], a2

  190. 

  191. 	FADD	c1, t1, c1

  192. 	FMUL	a3, b3,	t1

  193. 	LDF	[Y +  1 * SIZE], b2

  194. 	FADD	c2, t2, c2

  195. 	FMUL	a4, b3,	t2

  196. 	LDF	[Y +  2 * SIZE], b3

  197. 

  198. 	FADD	c3, t3, c3

  199. 	FMUL	a3, b4,	t3

  200. 	LDF	[X +  2 * SIZE], a3

  201. 	FADD	c4, t4, c4

  202. 	FMUL	a4, b4,	t4

  203. 	LDF	[X +  3 * SIZE], a4

  204. 

  205. 	FADD	c1, t1, c1

  206. 	FMUL	a5, b5,	t1

  207. 	LDF	[Y +  3 * SIZE], b4

  208. 	FADD	c2, t2, c2

  209. 	FMUL	a6, b5,	t2

  210. 	LDF	[Y +  4 * SIZE], b5

  211. 

  212. 	FADD	c3, t3, c3

  213. 	FMUL	a5, b6,	t3

  214. 	LDF	[X +  4 * SIZE], a5

  215. 	FADD	c4, t4, c4

  216. 	FMUL	a6, b6,	t4

  217. 	LDF	[X +  5 * SIZE], a6

  218. 

  219. 	FADD	c1, t1, c1

  220. 	add	I, -1, I

  221. 	FMUL	a7, b7,	t1

  222. 	LDF	[Y +  5 * SIZE], b6

  223. 	FADD	c2, t2, c2

  224. 	cmp	I, 0

  225. 	FMUL	a8, b7,	t2

  226. 	LDF	[Y +  6 * SIZE], b7

  227. 

  228. 	FADD	c3, t3, c3

  229. 	add	Y, 8 * SIZE, Y

  230. 	FMUL	a7, b8,	t3

  231. 	LDF	[X +  6 * SIZE], a7

  232. 	FADD	c4, t4, c4

  233. 	FMUL	a8, b8,	t4

  234. 	LDF	[X +  7 * SIZE], a8

  235. 

  236. 	add	X, 8 * SIZE, X

  237. 	bg,pt	%icc, .LL11

  238. 	LDF	[Y -  1 * SIZE], b8

  239. 

  240. .LL12:

  241. 	FADD	c1, t1, c1

  242. 	FMUL	a1, b1,	t1

  243. 	FADD	c2, t2, c2

  244. 	FMUL	a2, b1,	t2

  245. 

  246. 	FADD	c3, t3, c3

  247. 	FMUL	a1, b2,	t3

  248. 	FADD	c4, t4, c4

  249. 	FMUL	a2, b2,	t4

  250. 

  251. 	FADD	c1, t1, c1

  252. 	FMUL	a3, b3,	t1

  253. 	FADD	c2, t2, c2

  254. 	FMUL	a4, b3,	t2

  255. 

  256. 	FADD	c3, t3, c3

  257. 	FMUL	a3, b4,	t3

  258. 	FADD	c4, t4, c4

  259. 	FMUL	a4, b4,	t4

  260. 

  261. 	FADD	c1, t1, c1

  262. 	FMUL	a5, b5,	t1

  263. 	FADD	c2, t2, c2

  264. 	FMUL	a6, b5,	t2

  265. 

  266. 	FADD	c3, t3, c3

  267. 	FMUL	a5, b6,	t3

  268. 	FADD	c4, t4, c4

  269. 	FMUL	a6, b6,	t4

  270. 

  271. 	FADD	c1, t1, c1

  272. 	FMUL	a7, b7,	t1

  273. 	FADD	c2, t2, c2

  274. 	FMUL	a8, b7,	t2

  275. 

  276. 	FADD	c3, t3, c3

  277. 	FMUL	a7, b8,	t3

  278. 	FADD	c4, t4, c4

  279. 	FMUL	a8, b8,	t4

  280. 

  281. .LL15:

  282. 	and	N, 3, I

  283. 	cmp	I,  0

  284. 	ble,a,pn %icc, .LL19

  285. 	nop

  286. 

  287. .LL16:

  288. 	LDF	[X +  0 * SIZE], a1

  289. 	LDF	[X +  1 * SIZE], a2

  290. 	add	X, 2 * SIZE, X

  291. 	LDF	[Y +  0 * SIZE], b1

  292. 	LDF	[Y +  1 * SIZE], b2

  293. 	add	Y, 2 * SIZE, Y

  294. 

  295. 	FADD	c1, t1, c1

  296. 	FMUL	a1, b1,	t1

  297. 	FADD	c2, t2, c2

  298. 	FMUL	a2, b1,	t2

  299. 	FADD	c3, t3, c3

  300. 	FMUL	a1, b2,	t3

  301. 	FADD	c4, t4, c4

  302. 	FMUL	a2, b2,	t4

  303. 

  304. 	add	I, -1, I

  305. 	cmp	I, 0

  306. 	bg,pt	%icc, .LL16

  307. 	nop

  308. 

  309. .LL19:

  310. 	FADD	c1, t1, c1

  311. 	FADD	c2, t2, c2

  312. 	FADD	c3, t3, c3

  313. 	FADD	c4, t4, c4

  314. 

  315. #ifndef CONJ

  316. 	FSUB	c1, c4, c1

  317. 	FADD	c2, c3, c2

  318. #else

  319. 	FADD	c1, c4, c1

  320. 	FSUB	c3, c2, c2

  321. #endif

  322. 

  323. #if defined(F_INTERFACE) && defined(F_INTERFACE_F2C)

  324. 	STF	c1, [OUT + 0 * SIZE]

  325. 	STF	c2, [OUT + 1 * SIZE]

  326. #endif

  327. 	return	%i7 + 8

  328. 	clr	%g0

  329. .LL50:

  330. #ifdef F_INTERFACE

  331.        cmp	INCX, 0

  332.        bge	.LL41

  333.        sub	N, 1, I

  334. 

  335.        smul	I, INCX, I

  336.        sub	X, I, X

  337. 

  338. .LL41:

  339.        cmp	INCY, 0

  340.        bge	.LL42

  341.        sub	N, 1, I

  342. 

  343.        smul	I, INCY, I

  344.        sub	Y, I, Y

  345. 

  346. .LL42:

  347. #endif

  348. 	sra	N, 2, I

  349. 	cmp	I, 0

  350. 	ble,pn	%icc, .LL55

  351. 	nop

  352. 

  353. 	LDF	[X +  0 * SIZE], a1

  354. 	LDF	[X +  1 * SIZE], a2

  355. 	add	X, INCX, X

  356. 	LDF	[X +  0 * SIZE], a3

  357. 	LDF	[X +  1 * SIZE], a4

  358. 	add	X, INCX, X

  359. 	LDF	[X +  0 * SIZE], a5

  360. 	LDF	[X +  1 * SIZE], a6

  361. 	add	X, INCX, X

  362. 	LDF	[X +  0 * SIZE], a7

  363. 	LDF	[X +  1 * SIZE], a8

  364. 	add	X, INCX, X

  365. 

  366. 	LDF	[Y +  0 * SIZE], b1

  367. 	LDF	[Y +  1 * SIZE], b2

  368. 	add	Y, INCY, Y

  369. 	LDF	[Y +  0 * SIZE], b3

  370. 	LDF	[Y +  1 * SIZE], b4

  371. 	add	Y, INCY, Y

  372. 	LDF	[Y +  0 * SIZE], b5

  373. 	LDF	[Y +  1 * SIZE], b6

  374. 	add	Y, INCY, Y

  375. 	LDF	[Y +  0 * SIZE], b7

  376. 	LDF	[Y +  1 * SIZE], b8

  377. 	add	Y, INCY, Y

  378. 

  379. 	add	I, -1, I

  380. 	cmp	I, 0

  381. 	ble,pt	%icc, .LL52

  382. 

  383. .LL51:

  384. 	FADD	c1, t1, c1

  385. 	prefetch [X  + PREFETCHSIZE * SIZE], 0

  386. 	add	I, -1, I

  387. 	FMUL	a1, b1,	t1

  388. 	prefetch [Y  + PREFETCHSIZE * SIZE], 0

  389. 

  390. 	FADD	c2, t2, c2

  391. 	cmp	I, 0

  392. 	FMUL	a2, b1,	t2

  393. 	LDF	[Y +  0 * SIZE], b1

  394. 

  395. 	FADD	c3, t3, c3

  396. 	FMUL	a1, b2,	t3

  397. 	LDF	[X +  0 * SIZE], a1

  398. 	FADD	c4, t4, c4

  399. 	FMUL	a2, b2,	t4

  400. 	LDF	[X +  1 * SIZE], a2

  401. 	add	X, INCX, X

  402. 

  403. 	FADD	c1, t1, c1

  404. 	FMUL	a3, b3,	t1

  405. 	LDF	[Y +  1 * SIZE], b2

  406. 	add	Y, INCY, Y

  407. 	FADD	c2, t2, c2

  408. 	FMUL	a4, b3,	t2

  409. 	LDF	[Y +  0 * SIZE], b3

  410. 

  411. 	FADD	c3, t3, c3

  412. 	FMUL	a3, b4,	t3

  413. 	LDF	[X +  0 * SIZE], a3

  414. 	FADD	c4, t4, c4

  415. 	FMUL	a4, b4,	t4

  416. 	LDF	[X +  1 * SIZE], a4

  417. 	add	X, INCX, X

  418. 

  419. 	FADD	c1, t1, c1

  420. 	FMUL	a5, b5,	t1

  421. 	LDF	[Y +  1 * SIZE], b4

  422. 	add	Y, INCY, Y

  423. 	FADD	c2, t2, c2

  424. 	FMUL	a6, b5,	t2

  425. 	LDF	[Y +  0 * SIZE], b5

  426. 

  427. 	FADD	c3, t3, c3

  428. 	FMUL	a5, b6,	t3

  429. 	LDF	[X +  0 * SIZE], a5

  430. 	FADD	c4, t4, c4

  431. 	FMUL	a6, b6,	t4

  432. 	LDF	[X +  1 * SIZE], a6

  433. 	add	X, INCX, X

  434. 

  435. 	FADD	c1, t1, c1

  436. 	FMUL	a7, b7,	t1

  437. 	LDF	[Y +  1 * SIZE], b6

  438. 	add	Y, INCY, Y

  439. 	FADD	c2, t2, c2

  440. 	FMUL	a8, b7,	t2

  441. 	LDF	[Y +  0 * SIZE], b7

  442. 

  443. 	FADD	c3, t3, c3

  444. 	FMUL	a7, b8,	t3

  445. 	LDF	[X +  0 * SIZE], a7

  446. 	FADD	c4, t4, c4

  447. 	FMUL	a8, b8,	t4

  448. 	LDF	[X +  1 * SIZE], a8

  449. 	add	X, INCX, X

  450. 

  451. 	LDF	[Y +  1 * SIZE], b8

  452. 	bg,pt	%icc, .LL51

  453. 	add	Y, INCY, Y

  454. 

  455. .LL52:

  456. 	FADD	c1, t1, c1

  457. 	FMUL	a1, b1,	t1

  458. 	FADD	c2, t2, c2

  459. 	FMUL	a2, b1,	t2

  460. 

  461. 	FADD	c3, t3, c3

  462. 	FMUL	a1, b2,	t3

  463. 	FADD	c4, t4, c4

  464. 	FMUL	a2, b2,	t4

  465. 

  466. 	FADD	c1, t1, c1

  467. 	FMUL	a3, b3,	t1

  468. 	FADD	c2, t2, c2

  469. 	FMUL	a4, b3,	t2

  470. 

  471. 	FADD	c3, t3, c3

  472. 	FMUL	a3, b4,	t3

  473. 	FADD	c4, t4, c4

  474. 	FMUL	a4, b4,	t4

  475. 

  476. 	FADD	c1, t1, c1

  477. 	FMUL	a5, b5,	t1

  478. 	FADD	c2, t2, c2

  479. 	FMUL	a6, b5,	t2

  480. 

  481. 	FADD	c3, t3, c3

  482. 	FMUL	a5, b6,	t3

  483. 	FADD	c4, t4, c4

  484. 	FMUL	a6, b6,	t4

  485. 

  486. 	FADD	c1, t1, c1

  487. 	FMUL	a7, b7,	t1

  488. 	FADD	c2, t2, c2

  489. 	FMUL	a8, b7,	t2

  490. 

  491. 	FADD	c3, t3, c3

  492. 	FMUL	a7, b8,	t3

  493. 	FADD	c4, t4, c4

  494. 	FMUL	a8, b8,	t4

  495. 

  496. .LL55:

  497. 	and	N, 3, I

  498. 	cmp	I,  0

  499. 	ble,a,pn %icc, .LL59

  500. 	nop

  501. 

  502. .LL56:

  503. 	LDF	[X +  0 * SIZE], a1

  504. 	LDF	[X +  1 * SIZE], a2

  505. 	add	X, INCX, X

  506. 	LDF	[Y +  0 * SIZE], b1

  507. 	LDF	[Y +  1 * SIZE], b2

  508. 	add	Y, INCY, Y

  509. 

  510. 	FADD	c1, t1, c1

  511. 	FMUL	a1, b1,	t1

  512. 	FADD	c2, t2, c2

  513. 	FMUL	a2, b1,	t2

  514. 	FADD	c3, t3, c3

  515. 	FMUL	a1, b2,	t3

  516. 	FADD	c4, t4, c4

  517. 	FMUL	a2, b2,	t4

  518. 

  519. 	add	I, -1, I

  520. 	cmp	I, 0

  521. 	bg,pt	%icc, .LL56

  522. 	nop

  523. 

  524. .LL59:

  525. 	FADD	c1, t1, c1

  526. 	FADD	c2, t2, c2

  527. 	FADD	c3, t3, c3

  528. 	FADD	c4, t4, c4

  529. 

  530. #ifndef CONJ

  531. 	FSUB	c1, c4, c1

  532. 	FADD	c2, c3, c2

  533. #else

  534. 	FADD	c1, c4, c1

  535. 	FSUB	c3, c2, c2

  536. #endif

  537. 

  538. #if defined(F_INTERFACE) && defined(F_INTERFACE_F2C)

  539. 	STF	c1, [OUT + 0 * SIZE]

  540. 	STF	c2, [OUT + 1 * SIZE]

  541. #endif

  542. 	return	%i7 + 8

  543. 	clr	%o0

  544. 

  545. 	EPILOGUE