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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. #define ASSEMBLER
  39. #include "common.h"
  40. #define N %i0
  41. #define X %i1
  42. #define INCX %i2
  43. #define I %i3
  44. #ifdef DOUBLE
  45. #define c1 %f0
  46. #define c2 %f2
  47. #define c3 %f4
  48. #define c4 %f6
  49. #define t1 %f8
  50. #define t2 %f10
  51. #define t3 %f12
  52. #define t4 %f14
  53. #define a1 %f16
  54. #define a2 %f18
  55. #define a3 %f20
  56. #define a4 %f22
  57. #define a5 %f24
  58. #define a6 %f26
  59. #define a7 %f28
  60. #define a8 %f30
  61. #else
  62. #define c1 %f0
  63. #define c2 %f1
  64. #define c3 %f2
  65. #define c4 %f3
  66. #define t1 %f4
  67. #define t2 %f5
  68. #define t3 %f6
  69. #define t4 %f7
  70. #define a1 %f8
  71. #define a2 %f9
  72. #define a3 %f10
  73. #define a4 %f11
  74. #define a5 %f12
  75. #define a6 %f13
  76. #define a7 %f14
  77. #define a8 %f15
  78. #endif
  79. #ifndef USE_MIN
  80. #define FCMOV FMOVG
  81. #else
  82. #define FCMOV FMOVL
  83. #endif
  84. PROLOGUE
  85. SAVESP
  86. FCLR(0)
  87. cmp N, 0
  88. ble .LL20
  89. nop
  90. cmp INCX, 0
  91. ble .LL20
  92. sll INCX, BASE_SHIFT, INCX
  93. add N, -1, N
  94. LDF [X], c1
  95. add X, INCX, X
  96. cmp N, 0
  97. ble .LL20
  98. nop
  99. FMOV c1, c2
  100. FMOV c1, c3
  101. FMOV c1, c4
  102. cmp INCX, SIZE
  103. bne .LL50
  104. nop
  105. sra N, 3, I
  106. cmp I, 0
  107. ble,pn %icc, .LL15
  108. nop
  109. LDF [X + 0 * SIZE], a1
  110. LDF [X + 1 * SIZE], a2
  111. LDF [X + 2 * SIZE], a3
  112. LDF [X + 3 * SIZE], a4
  113. LDF [X + 4 * SIZE], a5
  114. LDF [X + 5 * SIZE], a6
  115. LDF [X + 6 * SIZE], a7
  116. LDF [X + 7 * SIZE], a8
  117. add X, 8 * SIZE, X
  118. add I, -1, I
  119. cmp I, 0
  120. ble,pt %icc, .LL12
  121. nop
  122. #define PREFETCHSIZE 40
  123. .LL11:
  124. FCMP %fcc0, a1, c1
  125. FCMP %fcc1, a2, c2
  126. FCMP %fcc2, a3, c3
  127. FCMP %fcc3, a4, c4
  128. FCMOV %fcc0, a1, c1
  129. LDF [X + 0 * SIZE], a1
  130. FCMOV %fcc1, a2, c2
  131. LDF [X + 1 * SIZE], a2
  132. FCMOV %fcc2, a3, c3
  133. LDF [X + 2 * SIZE], a3
  134. FCMOV %fcc3, a4, c4
  135. LDF [X + 3 * SIZE], a4
  136. FCMP %fcc0, a5, c1
  137. FCMP %fcc1, a6, c2
  138. FCMP %fcc2, a7, c3
  139. FCMP %fcc3, a8, c4
  140. FCMOV %fcc0, a5, c1
  141. LDF [X + 4 * SIZE], a5
  142. add I, -1, I
  143. FCMOV %fcc1, a6, c2
  144. LDF [X + 5 * SIZE], a6
  145. cmp I, 0
  146. FCMOV %fcc2, a7, c3
  147. LDF [X + 6 * SIZE], a7
  148. FCMOV %fcc3, a8, c4
  149. LDF [X + 7 * SIZE], a8
  150. bg,pt %icc, .LL11
  151. add X, 8 * SIZE, X
  152. .LL12:
  153. FCMP %fcc0, a1, c1
  154. FCMP %fcc1, a2, c2
  155. FCMP %fcc2, a3, c3
  156. FCMP %fcc3, a4, c4
  157. FCMOV %fcc0, a1, c1
  158. FCMOV %fcc1, a2, c2
  159. FCMOV %fcc2, a3, c3
  160. FCMOV %fcc3, a4, c4
  161. FCMP %fcc0, a5, c1
  162. FCMP %fcc1, a6, c2
  163. FCMP %fcc2, a7, c3
  164. FCMP %fcc3, a8, c4
  165. FCMOV %fcc0, a5, c1
  166. FCMOV %fcc1, a6, c2
  167. FCMOV %fcc2, a7, c3
  168. FCMOV %fcc3, a8, c4
  169. .LL15:
  170. and N, 7, I
  171. cmp I, 0
  172. ble,a,pn %icc, .LL19
  173. nop
  174. .LL16:
  175. LDF [X + 0 * SIZE], a1
  176. FCMP %fcc0, a1, c1
  177. FCMOV %fcc0, a1, c1
  178. add I, -1, I
  179. cmp I, 0
  180. bg,pt %icc, .LL16
  181. add X, 1 * SIZE, X
  182. .LL19:
  183. FCMP %fcc0, c2, c1
  184. FCMP %fcc1, c4, c3
  185. FCMOV %fcc0, c2, c1
  186. FCMOV %fcc1, c4, c3
  187. FCMP %fcc0, c3, c1
  188. FCMOV %fcc0, c3, c1
  189. .LL20:
  190. return %i7 + 8
  191. clr %g0
  192. .LL50:
  193. sra N, 3, I
  194. cmp I, 0
  195. ble,pn %icc, .LL55
  196. nop
  197. LDF [X + 0 * SIZE], a1
  198. add X, INCX, X
  199. LDF [X + 0 * SIZE], a2
  200. add X, INCX, X
  201. LDF [X + 0 * SIZE], a3
  202. add X, INCX, X
  203. LDF [X + 0 * SIZE], a4
  204. add X, INCX, X
  205. LDF [X + 0 * SIZE], a5
  206. add X, INCX, X
  207. LDF [X + 0 * SIZE], a6
  208. add X, INCX, X
  209. add I, -1, I
  210. LDF [X + 0 * SIZE], a7
  211. cmp I, 0
  212. add X, INCX, X
  213. LDF [X + 0 * SIZE], a8
  214. ble,pt %icc, .LL52
  215. add X, INCX, X
  216. .LL51:
  217. FCMP %fcc0, a1, c1
  218. FCMP %fcc1, a2, c2
  219. FCMP %fcc2, a3, c3
  220. FCMP %fcc3, a4, c4
  221. FCMOV %fcc0, a1, c1
  222. LDF [X + 0 * SIZE], a1
  223. add X, INCX, X
  224. FCMOV %fcc1, a2, c2
  225. LDF [X + 0 * SIZE], a2
  226. add X, INCX, X
  227. FCMOV %fcc2, a3, c3
  228. LDF [X + 0 * SIZE], a3
  229. add X, INCX, X
  230. FCMOV %fcc3, a4, c4
  231. LDF [X + 0 * SIZE], a4
  232. add X, INCX, X
  233. FCMP %fcc0, a5, c1
  234. add I, -1, I
  235. FCMP %fcc1, a6, c2
  236. cmp I, 0
  237. FCMP %fcc2, a7, c3
  238. FCMP %fcc3, a8, c4
  239. FCMOV %fcc0, a5, c1
  240. LDF [X + 0 * SIZE], a5
  241. add X, INCX, X
  242. FCMOV %fcc1, a6, c2
  243. LDF [X + 0 * SIZE], a6
  244. add X, INCX, X
  245. FCMOV %fcc2, a7, c3
  246. LDF [X + 0 * SIZE], a7
  247. add X, INCX, X
  248. FCMOV %fcc3, a8, c4
  249. LDF [X + 0 * SIZE], a8
  250. bg,pt %icc, .LL51
  251. add X, INCX, X
  252. .LL52:
  253. FCMP %fcc0, a1, c1
  254. FCMP %fcc1, a2, c2
  255. FCMP %fcc2, a3, c3
  256. FCMP %fcc3, a4, c4
  257. FCMOV %fcc0, a1, c1
  258. FCMOV %fcc1, a2, c2
  259. FCMOV %fcc2, a3, c3
  260. FCMOV %fcc3, a4, c4
  261. FCMP %fcc0, a5, c1
  262. FCMP %fcc1, a6, c2
  263. FCMP %fcc2, a7, c3
  264. FCMP %fcc3, a8, c4
  265. FCMOV %fcc0, a5, c1
  266. FCMOV %fcc1, a6, c2
  267. FCMOV %fcc2, a7, c3
  268. FCMOV %fcc3, a8, c4
  269. .LL55:
  270. and N, 7, I
  271. cmp I, 0
  272. ble,a,pn %icc, .LL59
  273. nop
  274. .LL56:
  275. LDF [X + 0 * SIZE], a1
  276. FCMP %fcc0, a1, c1
  277. FCMOV %fcc0, a1, c1
  278. add I, -1, I
  279. cmp I, 0
  280. bg,pt %icc, .LL56
  281. add X, INCX, X
  282. .LL59:
  283. FCMP %fcc0, c2, c1
  284. FCMP %fcc1, c4, c3
  285. FCMOV %fcc0, c2, c1
  286. FCMOV %fcc1, c4, c3
  287. FCMP %fcc0, c3, c1
  288. FCMOV %fcc0, c3, c1
  289. return %i7 + 8
  290. clr %o0
  291. EPILOGUE