nios2.opt 17 KB

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  1. ; Options for the Altera Nios II port of the compiler.
  2. ; Copyright (C) 2012-2015 Free Software Foundation, Inc.
  3. ; Contributed by Altera and Mentor Graphics, Inc.
  4. ;
  5. ; This file is part of GCC.
  6. ;
  7. ; GCC is free software; you can redistribute it and/or modify
  8. ; it under the terms of the GNU General Public License as published by
  9. ; the Free Software Foundation; either version 3, or (at your option)
  10. ; any later version.
  11. ;
  12. ; GCC 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 General Public License for more details.
  16. ;
  17. ; You should have received a copy of the GNU General Public License
  18. ; along with GCC; see the file COPYING3. If not see
  19. ; <http://www.gnu.org/licenses/>.
  20. HeaderInclude
  21. config/nios2/nios2-opts.h
  22. TargetSave
  23. int saved_fpu_custom_code[n2fpu_code_num]
  24. TargetSave
  25. enum nios2_ccs_code saved_custom_code_status[256]
  26. TargetSave
  27. int saved_custom_code_index[256]
  28. mhw-div
  29. Target Report Mask(HAS_DIV)
  30. Enable DIV, DIVU
  31. mhw-mul
  32. Target Report Mask(HAS_MUL)
  33. Enable MUL instructions
  34. mhw-mulx
  35. Target Report Mask(HAS_MULX)
  36. Enable MULX instructions, assume fast shifter
  37. mfast-sw-div
  38. Target Report Mask(FAST_SW_DIV)
  39. Use table based fast divide (default at -O3)
  40. mbypass-cache
  41. Target Report Mask(BYPASS_CACHE)
  42. All memory accesses use I/O load/store instructions
  43. mno-cache-volatile
  44. Target Report RejectNegative Mask(BYPASS_CACHE_VOLATILE)
  45. Volatile memory accesses use I/O load/store instructions
  46. mcache-volatile
  47. Target Report RejectNegative Undocumented InverseMask(BYPASS_CACHE_VOLATILE)
  48. Volatile memory accesses do not use I/O load/store instructions
  49. mgpopt=
  50. Target RejectNegative Joined Enum(nios2_gpopt_type) Var(nios2_gpopt_option) Init(gpopt_unspecified)
  51. Enable/disable GP-relative addressing.
  52. Enum
  53. Name(nios2_gpopt_type) Type(enum nios2_gpopt_type)
  54. Valid options for GP-relative addressing (for -mgpopt):
  55. EnumValue
  56. Enum(nios2_gpopt_type) String(none) Value(gpopt_none)
  57. EnumValue
  58. Enum(nios2_gpopt_type) String(local) Value(gpopt_local)
  59. EnumValue
  60. Enum(nios2_gpopt_type) String(global) Value(gpopt_global)
  61. EnumValue
  62. Enum(nios2_gpopt_type) String(data) Value(gpopt_data)
  63. EnumValue
  64. Enum(nios2_gpopt_type) String(all) Value(gpopt_all)
  65. mgpopt
  66. Target Report RejectNegative Var(nios2_gpopt_option, gpopt_local)
  67. Equivalent to -mgpopt=local.
  68. mno-gpopt
  69. Target Report RejectNegative Var(nios2_gpopt_option, gpopt_none)
  70. Equivalent to -mgpopt=none.
  71. meb
  72. Target Report RejectNegative Mask(BIG_ENDIAN)
  73. Use big-endian byte order
  74. mel
  75. Target Report RejectNegative InverseMask(BIG_ENDIAN)
  76. Use little-endian byte order
  77. mcustom-fpu-cfg=
  78. Target RejectNegative Joined Var(nios2_custom_fpu_cfg_string)
  79. Floating point custom instruction configuration name
  80. mno-custom-ftruncds
  81. Target Report RejectNegative Var(nios2_custom_ftruncds, -1)
  82. Do not use the ftruncds custom instruction
  83. mcustom-ftruncds=
  84. Target Report RejectNegative Joined UInteger Var(nios2_custom_ftruncds) Init(-1)
  85. Integer id (N) of ftruncds custom instruction
  86. mno-custom-fextsd
  87. Target Report RejectNegative Var(nios2_custom_fextsd, -1)
  88. Do not use the fextsd custom instruction
  89. mcustom-fextsd=
  90. Target Report RejectNegative Joined UInteger Var(nios2_custom_fextsd) Init(-1)
  91. Integer id (N) of fextsd custom instruction
  92. mno-custom-fixdu
  93. Target Report RejectNegative Var(nios2_custom_fixdu, -1)
  94. Do not use the fixdu custom instruction
  95. mcustom-fixdu=
  96. Target Report RejectNegative Joined UInteger Var(nios2_custom_fixdu) Init(-1)
  97. Integer id (N) of fixdu custom instruction
  98. mno-custom-fixdi
  99. Target Report RejectNegative Var(nios2_custom_fixdi, -1)
  100. Do not use the fixdi custom instruction
  101. mcustom-fixdi=
  102. Target Report RejectNegative Joined UInteger Var(nios2_custom_fixdi) Init(-1)
  103. Integer id (N) of fixdi custom instruction
  104. mno-custom-fixsu
  105. Target Report RejectNegative Var(nios2_custom_fixsu, -1)
  106. Do not use the fixsu custom instruction
  107. mcustom-fixsu=
  108. Target Report RejectNegative Joined UInteger Var(nios2_custom_fixsu) Init(-1)
  109. Integer id (N) of fixsu custom instruction
  110. mno-custom-fixsi
  111. Target Report RejectNegative Var(nios2_custom_fixsi, -1)
  112. Do not use the fixsi custom instruction
  113. mcustom-fixsi=
  114. Target Report RejectNegative Joined UInteger Var(nios2_custom_fixsi) Init(-1)
  115. Integer id (N) of fixsi custom instruction
  116. mno-custom-floatud
  117. Target Report RejectNegative Var(nios2_custom_floatud, -1)
  118. Do not use the floatud custom instruction
  119. mcustom-floatud=
  120. Target Report RejectNegative Joined UInteger Var(nios2_custom_floatud) Init(-1)
  121. Integer id (N) of floatud custom instruction
  122. mno-custom-floatid
  123. Target Report RejectNegative Var(nios2_custom_floatid, -1)
  124. Do not use the floatid custom instruction
  125. mcustom-floatid=
  126. Target Report RejectNegative Joined UInteger Var(nios2_custom_floatid) Init(-1)
  127. Integer id (N) of floatid custom instruction
  128. mno-custom-floatus
  129. Target Report RejectNegative Var(nios2_custom_floatus, -1)
  130. Do not use the floatus custom instruction
  131. mcustom-floatus=
  132. Target Report RejectNegative Joined UInteger Var(nios2_custom_floatus) Init(-1)
  133. Integer id (N) of floatus custom instruction
  134. mno-custom-floatis
  135. Target Report RejectNegative Var(nios2_custom_floatis, -1)
  136. Do not use the floatis custom instruction
  137. mcustom-floatis=
  138. Target Report RejectNegative Joined UInteger Var(nios2_custom_floatis) Init(-1)
  139. Integer id (N) of floatis custom instruction
  140. mno-custom-fcmpned
  141. Target Report RejectNegative Var(nios2_custom_fcmpned, -1)
  142. Do not use the fcmpned custom instruction
  143. mcustom-fcmpned=
  144. Target Report RejectNegative Joined UInteger Var(nios2_custom_fcmpned) Init(-1)
  145. Integer id (N) of fcmpned custom instruction
  146. mno-custom-fcmpeqd
  147. Target Report RejectNegative Var(nios2_custom_fcmpeqd, -1)
  148. Do not use the fcmpeqd custom instruction
  149. mcustom-fcmpeqd=
  150. Target Report RejectNegative Joined UInteger Var(nios2_custom_fcmpeqd) Init(-1)
  151. Integer id (N) of fcmpeqd custom instruction
  152. mno-custom-fcmpged
  153. Target Report RejectNegative Var(nios2_custom_fcmpged, -1)
  154. Do not use the fcmpged custom instruction
  155. mcustom-fcmpged=
  156. Target Report RejectNegative Joined UInteger Var(nios2_custom_fcmpged) Init(-1)
  157. Integer id (N) of fcmpged custom instruction
  158. mno-custom-fcmpgtd
  159. Target Report RejectNegative Var(nios2_custom_fcmpgtd, -1)
  160. Do not use the fcmpgtd custom instruction
  161. mcustom-fcmpgtd=
  162. Target Report RejectNegative Joined UInteger Var(nios2_custom_fcmpgtd) Init(-1)
  163. Integer id (N) of fcmpgtd custom instruction
  164. mno-custom-fcmpled
  165. Target Report RejectNegative Var(nios2_custom_fcmpled, -1)
  166. Do not use the fcmpled custom instruction
  167. mcustom-fcmpled=
  168. Target Report RejectNegative Joined UInteger Var(nios2_custom_fcmpled) Init(-1)
  169. Integer id (N) of fcmpled custom instruction
  170. mno-custom-fcmpltd
  171. Target Report RejectNegative Var(nios2_custom_fcmpltd, -1)
  172. Do not use the fcmpltd custom instruction
  173. mcustom-fcmpltd=
  174. Target Report RejectNegative Joined UInteger Var(nios2_custom_fcmpltd) Init(-1)
  175. Integer id (N) of fcmpltd custom instruction
  176. mno-custom-flogd
  177. Target Report RejectNegative Var(nios2_custom_flogd, -1)
  178. Do not use the flogd custom instruction
  179. mcustom-flogd=
  180. Target Report RejectNegative Joined UInteger Var(nios2_custom_flogd) Init(-1)
  181. Integer id (N) of flogd custom instruction
  182. mno-custom-fexpd
  183. Target Report RejectNegative Var(nios2_custom_fexpd, -1)
  184. Do not use the fexpd custom instruction
  185. mcustom-fexpd=
  186. Target Report RejectNegative Joined UInteger Var(nios2_custom_fexpd) Init(-1)
  187. Integer id (N) of fexpd custom instruction
  188. mno-custom-fatand
  189. Target Report RejectNegative Var(nios2_custom_fatand, -1)
  190. Do not use the fatand custom instruction
  191. mcustom-fatand=
  192. Target Report RejectNegative Joined UInteger Var(nios2_custom_fatand) Init(-1)
  193. Integer id (N) of fatand custom instruction
  194. mno-custom-ftand
  195. Target Report RejectNegative Var(nios2_custom_ftand, -1)
  196. Do not use the ftand custom instruction
  197. mcustom-ftand=
  198. Target Report RejectNegative Joined UInteger Var(nios2_custom_ftand) Init(-1)
  199. Integer id (N) of ftand custom instruction
  200. mno-custom-fsind
  201. Target Report RejectNegative Var(nios2_custom_fsind, -1)
  202. Do not use the fsind custom instruction
  203. mcustom-fsind=
  204. Target Report RejectNegative Joined UInteger Var(nios2_custom_fsind) Init(-1)
  205. Integer id (N) of fsind custom instruction
  206. mno-custom-fcosd
  207. Target Report RejectNegative Var(nios2_custom_fcosd, -1)
  208. Do not use the fcosd custom instruction
  209. mcustom-fcosd=
  210. Target Report RejectNegative Joined UInteger Var(nios2_custom_fcosd) Init(-1)
  211. Integer id (N) of fcosd custom instruction
  212. mno-custom-fsqrtd
  213. Target Report RejectNegative Var(nios2_custom_fsqrtd, -1)
  214. Do not use the fsqrtd custom instruction
  215. mcustom-fsqrtd=
  216. Target Report RejectNegative Joined UInteger Var(nios2_custom_fsqrtd) Init(-1)
  217. Integer id (N) of fsqrtd custom instruction
  218. mno-custom-fabsd
  219. Target Report RejectNegative Var(nios2_custom_fabsd, -1)
  220. Do not use the fabsd custom instruction
  221. mcustom-fabsd=
  222. Target Report RejectNegative Joined UInteger Var(nios2_custom_fabsd) Init(-1)
  223. Integer id (N) of fabsd custom instruction
  224. mno-custom-fnegd
  225. Target Report RejectNegative Var(nios2_custom_fnegd, -1)
  226. Do not use the fnegd custom instruction
  227. mcustom-fnegd=
  228. Target Report RejectNegative Joined UInteger Var(nios2_custom_fnegd) Init(-1)
  229. Integer id (N) of fnegd custom instruction
  230. mno-custom-fmaxd
  231. Target Report RejectNegative Var(nios2_custom_fmaxd, -1)
  232. Do not use the fmaxd custom instruction
  233. mcustom-fmaxd=
  234. Target Report RejectNegative Joined UInteger Var(nios2_custom_fmaxd) Init(-1)
  235. Integer id (N) of fmaxd custom instruction
  236. mno-custom-fmind
  237. Target Report RejectNegative Var(nios2_custom_fmind, -1)
  238. Do not use the fmind custom instruction
  239. mcustom-fmind=
  240. Target Report RejectNegative Joined UInteger Var(nios2_custom_fmind) Init(-1)
  241. Integer id (N) of fmind custom instruction
  242. mno-custom-fdivd
  243. Target Report RejectNegative Var(nios2_custom_fdivd, -1)
  244. Do not use the fdivd custom instruction
  245. mcustom-fdivd=
  246. Target Report RejectNegative Joined UInteger Var(nios2_custom_fdivd) Init(-1)
  247. Integer id (N) of fdivd custom instruction
  248. mno-custom-fmuld
  249. Target Report RejectNegative Var(nios2_custom_fmuld, -1)
  250. Do not use the fmuld custom instruction
  251. mcustom-fmuld=
  252. Target Report RejectNegative Joined UInteger Var(nios2_custom_fmuld) Init(-1)
  253. Integer id (N) of fmuld custom instruction
  254. mno-custom-fsubd
  255. Target Report RejectNegative Var(nios2_custom_fsubd, -1)
  256. Do not use the fsubd custom instruction
  257. mcustom-fsubd=
  258. Target Report RejectNegative Joined UInteger Var(nios2_custom_fsubd) Init(-1)
  259. Integer id (N) of fsubd custom instruction
  260. mno-custom-faddd
  261. Target Report RejectNegative Var(nios2_custom_faddd, -1)
  262. Do not use the faddd custom instruction
  263. mcustom-faddd=
  264. Target Report RejectNegative Joined UInteger Var(nios2_custom_faddd) Init(-1)
  265. Integer id (N) of faddd custom instruction
  266. mno-custom-fcmpnes
  267. Target Report RejectNegative Var(nios2_custom_fcmpnes, -1)
  268. Do not use the fcmpnes custom instruction
  269. mcustom-fcmpnes=
  270. Target Report RejectNegative Joined UInteger Var(nios2_custom_fcmpnes) Init(-1)
  271. Integer id (N) of fcmpnes custom instruction
  272. mno-custom-fcmpeqs
  273. Target Report RejectNegative Var(nios2_custom_fcmpeqs, -1)
  274. Do not use the fcmpeqs custom instruction
  275. mcustom-fcmpeqs=
  276. Target Report RejectNegative Joined UInteger Var(nios2_custom_fcmpeqs) Init(-1)
  277. Integer id (N) of fcmpeqs custom instruction
  278. mno-custom-fcmpges
  279. Target Report RejectNegative Var(nios2_custom_fcmpges, -1)
  280. Do not use the fcmpges custom instruction
  281. mcustom-fcmpges=
  282. Target Report RejectNegative Joined UInteger Var(nios2_custom_fcmpges) Init(-1)
  283. Integer id (N) of fcmpges custom instruction
  284. mno-custom-fcmpgts
  285. Target Report RejectNegative Var(nios2_custom_fcmpgts, -1)
  286. Do not use the fcmpgts custom instruction
  287. mcustom-fcmpgts=
  288. Target Report RejectNegative Joined UInteger Var(nios2_custom_fcmpgts) Init(-1)
  289. Integer id (N) of fcmpgts custom instruction
  290. mno-custom-fcmples
  291. Target Report RejectNegative Var(nios2_custom_fcmples, -1)
  292. Do not use the fcmples custom instruction
  293. mcustom-fcmples=
  294. Target Report RejectNegative Joined UInteger Var(nios2_custom_fcmples) Init(-1)
  295. Integer id (N) of fcmples custom instruction
  296. mno-custom-fcmplts
  297. Target Report RejectNegative Var(nios2_custom_fcmplts, -1)
  298. Do not use the fcmplts custom instruction
  299. mcustom-fcmplts=
  300. Target Report RejectNegative Joined UInteger Var(nios2_custom_fcmplts) Init(-1)
  301. Integer id (N) of fcmplts custom instruction
  302. mno-custom-flogs
  303. Target Report RejectNegative Var(nios2_custom_flogs, -1)
  304. Do not use the flogs custom instruction
  305. mcustom-flogs=
  306. Target Report RejectNegative Joined UInteger Var(nios2_custom_flogs) Init(-1)
  307. Integer id (N) of flogs custom instruction
  308. mno-custom-fexps
  309. Target Report RejectNegative Var(nios2_custom_fexps, -1)
  310. Do not use the fexps custom instruction
  311. mcustom-fexps=
  312. Target Report RejectNegative Joined UInteger Var(nios2_custom_fexps) Init(-1)
  313. Integer id (N) of fexps custom instruction
  314. mno-custom-fatans
  315. Target Report RejectNegative Var(nios2_custom_fatans, -1)
  316. Do not use the fatans custom instruction
  317. mcustom-fatans=
  318. Target Report RejectNegative Joined UInteger Var(nios2_custom_fatans) Init(-1)
  319. Integer id (N) of fatans custom instruction
  320. mno-custom-ftans
  321. Target Report RejectNegative Var(nios2_custom_ftans, -1)
  322. Do not use the ftans custom instruction
  323. mcustom-ftans=
  324. Target Report RejectNegative Joined UInteger Var(nios2_custom_ftans) Init(-1)
  325. Integer id (N) of ftans custom instruction
  326. mno-custom-fsins
  327. Target Report RejectNegative Var(nios2_custom_fsins, -1)
  328. Do not use the fsins custom instruction
  329. mcustom-fsins=
  330. Target Report RejectNegative Joined UInteger Var(nios2_custom_fsins) Init(-1)
  331. Integer id (N) of fsins custom instruction
  332. mno-custom-fcoss
  333. Target Report RejectNegative Var(nios2_custom_fcoss, -1)
  334. Do not use the fcoss custom instruction
  335. mcustom-fcoss=
  336. Target Report RejectNegative Joined UInteger Var(nios2_custom_fcoss) Init(-1)
  337. Integer id (N) of fcoss custom instruction
  338. mno-custom-fsqrts
  339. Target Report RejectNegative Var(nios2_custom_fsqrts, -1)
  340. Do not use the fsqrts custom instruction
  341. mcustom-fsqrts=
  342. Target Report RejectNegative Joined UInteger Var(nios2_custom_fsqrts) Init(-1)
  343. Integer id (N) of fsqrts custom instruction
  344. mno-custom-fabss
  345. Target Report RejectNegative Var(nios2_custom_fabss, -1)
  346. Do not use the fabss custom instr
  347. mcustom-fabss=
  348. Target Report RejectNegative Joined UInteger Var(nios2_custom_fabss) Init(-1)
  349. Integer id (N) of fabss custom instruction
  350. mno-custom-fnegs
  351. Target Report RejectNegative Var(nios2_custom_fnegs, -1)
  352. Do not use the fnegs custom instruction
  353. mcustom-fnegs=
  354. Target Report RejectNegative Joined UInteger Var(nios2_custom_fnegs) Init(-1)
  355. Integer id (N) of fnegs custom instruction
  356. mno-custom-fmaxs
  357. Target Report RejectNegative Var(nios2_custom_fmaxs, -1)
  358. Do not use the fmaxs custom instruction
  359. mcustom-fmaxs=
  360. Target Report RejectNegative Joined UInteger Var(nios2_custom_fmaxs) Init(-1)
  361. Integer id (N) of fmaxs custom instruction
  362. mno-custom-fmins
  363. Target Report RejectNegative Var(nios2_custom_fmins, -1)
  364. Do not use the fmins custom instruction
  365. mcustom-fmins=
  366. Target Report RejectNegative Joined UInteger Var(nios2_custom_fmins) Init(-1)
  367. Integer id (N) of fmins custom instruction
  368. mno-custom-fdivs
  369. Target Report RejectNegative Var(nios2_custom_fdivs, -1)
  370. Do not use the fdivs custom instruction
  371. mcustom-fdivs=
  372. Target Report RejectNegative Joined UInteger Var(nios2_custom_fdivs) Init(-1)
  373. Integer id (N) of fdivs custom instruction
  374. mno-custom-fmuls
  375. Target Report RejectNegative Var(nios2_custom_fmuls, -1)
  376. Do not use the fmuls custom instruction
  377. mcustom-fmuls=
  378. Target Report RejectNegative Joined UInteger Var(nios2_custom_fmuls) Init(-1)
  379. Integer id (N) of fmuls custom instruction
  380. mno-custom-fsubs
  381. Target Report RejectNegative Var(nios2_custom_fsubs, -1)
  382. Do not use the fsubs custom instruction
  383. mcustom-fsubs=
  384. Target Report RejectNegative Joined UInteger Var(nios2_custom_fsubs) Init(-1)
  385. Integer id (N) of fsubs custom instruction
  386. mno-custom-fadds
  387. Target Report RejectNegative Var(nios2_custom_fadds, -1)
  388. Do not use the fadds custom instruction
  389. mcustom-fadds=
  390. Target Report RejectNegative Joined UInteger Var(nios2_custom_fadds) Init(-1)
  391. Integer id (N) of fadds custom instruction
  392. mno-custom-frdy
  393. Target Report RejectNegative Var(nios2_custom_frdy, -1)
  394. Do not use the frdy custom instruction
  395. mcustom-frdy=
  396. Target Report RejectNegative Joined UInteger Var(nios2_custom_frdy) Init(-1)
  397. Integer id (N) of frdy custom instruction
  398. mno-custom-frdxhi
  399. Target Report RejectNegative Var(nios2_custom_frdxhi, -1)
  400. Do not use the frdxhi custom instruction
  401. mcustom-frdxhi=
  402. Target Report RejectNegative Joined UInteger Var(nios2_custom_frdxhi) Init(-1)
  403. Integer id (N) of frdxhi custom instruction
  404. mno-custom-frdxlo
  405. Target Report RejectNegative Var(nios2_custom_frdxlo, -1)
  406. Do not use the frdxlo custom instruction
  407. mcustom-frdxlo=
  408. Target Report RejectNegative Joined UInteger Var(nios2_custom_frdxlo) Init(-1)
  409. Integer id (N) of frdxlo custom instruction
  410. mno-custom-fwry
  411. Target Report RejectNegative Var(nios2_custom_fwry, -1)
  412. Do not use the fwry custom instruction
  413. mcustom-fwry=
  414. Target Report RejectNegative Joined UInteger Var(nios2_custom_fwry) Init(-1)
  415. Integer id (N) of fwry custom instruction
  416. mno-custom-fwrx
  417. Target Report RejectNegative Var(nios2_custom_fwrx, -1)
  418. Do not use the fwrx custom instruction
  419. mcustom-fwrx=
  420. Target Report RejectNegative Joined UInteger Var(nios2_custom_fwrx) Init(-1)
  421. Integer id (N) of fwrx custom instruction
  422. mno-custom-round
  423. Target Report RejectNegative Var(nios2_custom_round, -1)
  424. Do not use the round custom instruction
  425. mcustom-round=
  426. Target Report RejectNegative Joined UInteger Var(nios2_custom_round) Init(-1)
  427. Integer id (N) of round custom instruction