FStar_UInt128_extracted.c 14 KB

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  1. /* Copyright (c) INRIA and Microsoft Corporation. All rights reserved.
  2. Licensed under the Apache 2.0 License. */
  3. /* This file was generated by KreMLin <https://github.com/FStarLang/kremlin>
  4. * KreMLin invocation: ../krml -fc89 -fparentheses -fno-shadow -header /mnt/e/everest/verify/hdrB9w -minimal -fparentheses -fcurly-braces -fno-shadow -header copyright-header.txt -minimal -tmpdir extracted -warn-error +9+11 -skip-compilation -extract-uints -add-include <inttypes.h> -add-include "kremlib.h" -add-include "kremlin/internal/compat.h" extracted/prims.krml extracted/FStar_Pervasives_Native.krml extracted/FStar_Pervasives.krml extracted/FStar_Mul.krml extracted/FStar_Squash.krml extracted/FStar_Classical.krml extracted/FStar_StrongExcludedMiddle.krml extracted/FStar_FunctionalExtensionality.krml extracted/FStar_List_Tot_Base.krml extracted/FStar_List_Tot_Properties.krml extracted/FStar_List_Tot.krml extracted/FStar_Seq_Base.krml extracted/FStar_Seq_Properties.krml extracted/FStar_Seq.krml extracted/FStar_Math_Lib.krml extracted/FStar_Math_Lemmas.krml extracted/FStar_BitVector.krml extracted/FStar_UInt.krml extracted/FStar_UInt32.krml extracted/FStar_Int.krml extracted/FStar_Int16.krml extracted/FStar_Preorder.krml extracted/FStar_Ghost.krml extracted/FStar_ErasedLogic.krml extracted/FStar_UInt64.krml extracted/FStar_Set.krml extracted/FStar_PropositionalExtensionality.krml extracted/FStar_PredicateExtensionality.krml extracted/FStar_TSet.krml extracted/FStar_Monotonic_Heap.krml extracted/FStar_Heap.krml extracted/FStar_Map.krml extracted/FStar_Monotonic_HyperHeap.krml extracted/FStar_Monotonic_HyperStack.krml extracted/FStar_HyperStack.krml extracted/FStar_Monotonic_Witnessed.krml extracted/FStar_HyperStack_ST.krml extracted/FStar_HyperStack_All.krml extracted/FStar_Date.krml extracted/FStar_Universe.krml extracted/FStar_GSet.krml extracted/FStar_ModifiesGen.krml extracted/LowStar_Monotonic_Buffer.krml extracted/LowStar_Buffer.krml extracted/Spec_Loops.krml extracted/LowStar_BufferOps.krml extracted/C_Loops.krml extracted/FStar_UInt8.krml extracted/FStar_Kremlin_Endianness.krml extracted/FStar_UInt63.krml extracted/FStar_Exn.krml extracted/FStar_ST.krml extracted/FStar_All.krml extracted/FStar_Dyn.krml extracted/FStar_Int63.krml extracted/FStar_Int64.krml extracted/FStar_Int32.krml extracted/FStar_Int8.krml extracted/FStar_UInt16.krml extracted/FStar_Int_Cast.krml extracted/FStar_UInt128.krml extracted/C_Endianness.krml extracted/FStar_List.krml extracted/FStar_Float.krml extracted/FStar_IO.krml extracted/C.krml extracted/FStar_Char.krml extracted/FStar_String.krml extracted/LowStar_Modifies.krml extracted/C_String.krml extracted/FStar_Bytes.krml extracted/FStar_HyperStack_IO.krml extracted/C_Failure.krml extracted/TestLib.krml extracted/FStar_Int_Cast_Full.krml
  5. * F* version: 059db0c8
  6. * KreMLin version: 916c37ac
  7. */
  8. #include "FStar_UInt128.h"
  9. #include "kremlin/c_endianness.h"
  10. #include "FStar_UInt64_FStar_UInt32_FStar_UInt16_FStar_UInt8.h"
  11. uint64_t FStar_UInt128___proj__Mkuint128__item__low(FStar_UInt128_uint128 projectee)
  12. {
  13. return projectee.low;
  14. }
  15. uint64_t FStar_UInt128___proj__Mkuint128__item__high(FStar_UInt128_uint128 projectee)
  16. {
  17. return projectee.high;
  18. }
  19. static uint64_t FStar_UInt128_constant_time_carry(uint64_t a, uint64_t b)
  20. {
  21. return (a ^ ((a ^ b) | ((a - b) ^ b))) >> (uint32_t)63U;
  22. }
  23. static uint64_t FStar_UInt128_carry(uint64_t a, uint64_t b)
  24. {
  25. return FStar_UInt128_constant_time_carry(a, b);
  26. }
  27. FStar_UInt128_uint128 FStar_UInt128_add(FStar_UInt128_uint128 a, FStar_UInt128_uint128 b)
  28. {
  29. FStar_UInt128_uint128
  30. flat = { a.low + b.low, a.high + b.high + FStar_UInt128_carry(a.low + b.low, b.low) };
  31. return flat;
  32. }
  33. FStar_UInt128_uint128
  34. FStar_UInt128_add_underspec(FStar_UInt128_uint128 a, FStar_UInt128_uint128 b)
  35. {
  36. FStar_UInt128_uint128
  37. flat = { a.low + b.low, a.high + b.high + FStar_UInt128_carry(a.low + b.low, b.low) };
  38. return flat;
  39. }
  40. FStar_UInt128_uint128 FStar_UInt128_add_mod(FStar_UInt128_uint128 a, FStar_UInt128_uint128 b)
  41. {
  42. FStar_UInt128_uint128
  43. flat = { a.low + b.low, a.high + b.high + FStar_UInt128_carry(a.low + b.low, b.low) };
  44. return flat;
  45. }
  46. FStar_UInt128_uint128 FStar_UInt128_sub(FStar_UInt128_uint128 a, FStar_UInt128_uint128 b)
  47. {
  48. FStar_UInt128_uint128
  49. flat = { a.low - b.low, a.high - b.high - FStar_UInt128_carry(a.low, a.low - b.low) };
  50. return flat;
  51. }
  52. FStar_UInt128_uint128
  53. FStar_UInt128_sub_underspec(FStar_UInt128_uint128 a, FStar_UInt128_uint128 b)
  54. {
  55. FStar_UInt128_uint128
  56. flat = { a.low - b.low, a.high - b.high - FStar_UInt128_carry(a.low, a.low - b.low) };
  57. return flat;
  58. }
  59. static FStar_UInt128_uint128
  60. FStar_UInt128_sub_mod_impl(FStar_UInt128_uint128 a, FStar_UInt128_uint128 b)
  61. {
  62. FStar_UInt128_uint128
  63. flat = { a.low - b.low, a.high - b.high - FStar_UInt128_carry(a.low, a.low - b.low) };
  64. return flat;
  65. }
  66. FStar_UInt128_uint128 FStar_UInt128_sub_mod(FStar_UInt128_uint128 a, FStar_UInt128_uint128 b)
  67. {
  68. return FStar_UInt128_sub_mod_impl(a, b);
  69. }
  70. FStar_UInt128_uint128 FStar_UInt128_logand(FStar_UInt128_uint128 a, FStar_UInt128_uint128 b)
  71. {
  72. FStar_UInt128_uint128 flat = { a.low & b.low, a.high & b.high };
  73. return flat;
  74. }
  75. FStar_UInt128_uint128 FStar_UInt128_logxor(FStar_UInt128_uint128 a, FStar_UInt128_uint128 b)
  76. {
  77. FStar_UInt128_uint128 flat = { a.low ^ b.low, a.high ^ b.high };
  78. return flat;
  79. }
  80. FStar_UInt128_uint128 FStar_UInt128_logor(FStar_UInt128_uint128 a, FStar_UInt128_uint128 b)
  81. {
  82. FStar_UInt128_uint128 flat = { a.low | b.low, a.high | b.high };
  83. return flat;
  84. }
  85. FStar_UInt128_uint128 FStar_UInt128_lognot(FStar_UInt128_uint128 a)
  86. {
  87. FStar_UInt128_uint128 flat = { ~a.low, ~a.high };
  88. return flat;
  89. }
  90. static uint32_t FStar_UInt128_u32_64 = (uint32_t)64U;
  91. static uint64_t FStar_UInt128_add_u64_shift_left(uint64_t hi, uint64_t lo, uint32_t s)
  92. {
  93. return (hi << s) + (lo >> (FStar_UInt128_u32_64 - s));
  94. }
  95. static uint64_t FStar_UInt128_add_u64_shift_left_respec(uint64_t hi, uint64_t lo, uint32_t s)
  96. {
  97. return FStar_UInt128_add_u64_shift_left(hi, lo, s);
  98. }
  99. static FStar_UInt128_uint128
  100. FStar_UInt128_shift_left_small(FStar_UInt128_uint128 a, uint32_t s)
  101. {
  102. if (s == (uint32_t)0U)
  103. {
  104. return a;
  105. }
  106. else
  107. {
  108. FStar_UInt128_uint128
  109. flat = { a.low << s, FStar_UInt128_add_u64_shift_left_respec(a.high, a.low, s) };
  110. return flat;
  111. }
  112. }
  113. static FStar_UInt128_uint128
  114. FStar_UInt128_shift_left_large(FStar_UInt128_uint128 a, uint32_t s)
  115. {
  116. FStar_UInt128_uint128 flat = { (uint64_t)0U, a.low << (s - FStar_UInt128_u32_64) };
  117. return flat;
  118. }
  119. FStar_UInt128_uint128 FStar_UInt128_shift_left(FStar_UInt128_uint128 a, uint32_t s)
  120. {
  121. if (s < FStar_UInt128_u32_64)
  122. {
  123. return FStar_UInt128_shift_left_small(a, s);
  124. }
  125. else
  126. {
  127. return FStar_UInt128_shift_left_large(a, s);
  128. }
  129. }
  130. static uint64_t FStar_UInt128_add_u64_shift_right(uint64_t hi, uint64_t lo, uint32_t s)
  131. {
  132. return (lo >> s) + (hi << (FStar_UInt128_u32_64 - s));
  133. }
  134. static uint64_t FStar_UInt128_add_u64_shift_right_respec(uint64_t hi, uint64_t lo, uint32_t s)
  135. {
  136. return FStar_UInt128_add_u64_shift_right(hi, lo, s);
  137. }
  138. static FStar_UInt128_uint128
  139. FStar_UInt128_shift_right_small(FStar_UInt128_uint128 a, uint32_t s)
  140. {
  141. if (s == (uint32_t)0U)
  142. {
  143. return a;
  144. }
  145. else
  146. {
  147. FStar_UInt128_uint128
  148. flat = { FStar_UInt128_add_u64_shift_right_respec(a.high, a.low, s), a.high >> s };
  149. return flat;
  150. }
  151. }
  152. static FStar_UInt128_uint128
  153. FStar_UInt128_shift_right_large(FStar_UInt128_uint128 a, uint32_t s)
  154. {
  155. FStar_UInt128_uint128 flat = { a.high >> (s - FStar_UInt128_u32_64), (uint64_t)0U };
  156. return flat;
  157. }
  158. FStar_UInt128_uint128 FStar_UInt128_shift_right(FStar_UInt128_uint128 a, uint32_t s)
  159. {
  160. if (s < FStar_UInt128_u32_64)
  161. {
  162. return FStar_UInt128_shift_right_small(a, s);
  163. }
  164. else
  165. {
  166. return FStar_UInt128_shift_right_large(a, s);
  167. }
  168. }
  169. bool FStar_UInt128_eq(FStar_UInt128_uint128 a, FStar_UInt128_uint128 b)
  170. {
  171. return a.low == b.low && a.high == b.high;
  172. }
  173. bool FStar_UInt128_gt(FStar_UInt128_uint128 a, FStar_UInt128_uint128 b)
  174. {
  175. return a.high > b.high || (a.high == b.high && a.low > b.low);
  176. }
  177. bool FStar_UInt128_lt(FStar_UInt128_uint128 a, FStar_UInt128_uint128 b)
  178. {
  179. return a.high < b.high || (a.high == b.high && a.low < b.low);
  180. }
  181. bool FStar_UInt128_gte(FStar_UInt128_uint128 a, FStar_UInt128_uint128 b)
  182. {
  183. return a.high > b.high || (a.high == b.high && a.low >= b.low);
  184. }
  185. bool FStar_UInt128_lte(FStar_UInt128_uint128 a, FStar_UInt128_uint128 b)
  186. {
  187. return a.high < b.high || (a.high == b.high && a.low <= b.low);
  188. }
  189. FStar_UInt128_uint128 FStar_UInt128_eq_mask(FStar_UInt128_uint128 a, FStar_UInt128_uint128 b)
  190. {
  191. FStar_UInt128_uint128
  192. flat =
  193. {
  194. FStar_UInt64_eq_mask(a.low,
  195. b.low)
  196. & FStar_UInt64_eq_mask(a.high, b.high),
  197. FStar_UInt64_eq_mask(a.low,
  198. b.low)
  199. & FStar_UInt64_eq_mask(a.high, b.high)
  200. };
  201. return flat;
  202. }
  203. FStar_UInt128_uint128 FStar_UInt128_gte_mask(FStar_UInt128_uint128 a, FStar_UInt128_uint128 b)
  204. {
  205. FStar_UInt128_uint128
  206. flat =
  207. {
  208. (FStar_UInt64_gte_mask(a.high, b.high) & ~FStar_UInt64_eq_mask(a.high, b.high))
  209. | (FStar_UInt64_eq_mask(a.high, b.high) & FStar_UInt64_gte_mask(a.low, b.low)),
  210. (FStar_UInt64_gte_mask(a.high, b.high) & ~FStar_UInt64_eq_mask(a.high, b.high))
  211. | (FStar_UInt64_eq_mask(a.high, b.high) & FStar_UInt64_gte_mask(a.low, b.low))
  212. };
  213. return flat;
  214. }
  215. FStar_UInt128_uint128 FStar_UInt128_uint64_to_uint128(uint64_t a)
  216. {
  217. FStar_UInt128_uint128 flat = { a, (uint64_t)0U };
  218. return flat;
  219. }
  220. uint64_t FStar_UInt128_uint128_to_uint64(FStar_UInt128_uint128 a)
  221. {
  222. return a.low;
  223. }
  224. FStar_UInt128_uint128
  225. (*FStar_UInt128_op_Plus_Hat)(FStar_UInt128_uint128 x0, FStar_UInt128_uint128 x1) =
  226. FStar_UInt128_add;
  227. FStar_UInt128_uint128
  228. (*FStar_UInt128_op_Plus_Question_Hat)(FStar_UInt128_uint128 x0, FStar_UInt128_uint128 x1) =
  229. FStar_UInt128_add_underspec;
  230. FStar_UInt128_uint128
  231. (*FStar_UInt128_op_Plus_Percent_Hat)(FStar_UInt128_uint128 x0, FStar_UInt128_uint128 x1) =
  232. FStar_UInt128_add_mod;
  233. FStar_UInt128_uint128
  234. (*FStar_UInt128_op_Subtraction_Hat)(FStar_UInt128_uint128 x0, FStar_UInt128_uint128 x1) =
  235. FStar_UInt128_sub;
  236. FStar_UInt128_uint128
  237. (*FStar_UInt128_op_Subtraction_Question_Hat)(
  238. FStar_UInt128_uint128 x0,
  239. FStar_UInt128_uint128 x1
  240. ) = FStar_UInt128_sub_underspec;
  241. FStar_UInt128_uint128
  242. (*FStar_UInt128_op_Subtraction_Percent_Hat)(FStar_UInt128_uint128 x0, FStar_UInt128_uint128 x1) =
  243. FStar_UInt128_sub_mod;
  244. FStar_UInt128_uint128
  245. (*FStar_UInt128_op_Amp_Hat)(FStar_UInt128_uint128 x0, FStar_UInt128_uint128 x1) =
  246. FStar_UInt128_logand;
  247. FStar_UInt128_uint128
  248. (*FStar_UInt128_op_Hat_Hat)(FStar_UInt128_uint128 x0, FStar_UInt128_uint128 x1) =
  249. FStar_UInt128_logxor;
  250. FStar_UInt128_uint128
  251. (*FStar_UInt128_op_Bar_Hat)(FStar_UInt128_uint128 x0, FStar_UInt128_uint128 x1) =
  252. FStar_UInt128_logor;
  253. FStar_UInt128_uint128
  254. (*FStar_UInt128_op_Less_Less_Hat)(FStar_UInt128_uint128 x0, uint32_t x1) =
  255. FStar_UInt128_shift_left;
  256. FStar_UInt128_uint128
  257. (*FStar_UInt128_op_Greater_Greater_Hat)(FStar_UInt128_uint128 x0, uint32_t x1) =
  258. FStar_UInt128_shift_right;
  259. bool
  260. (*FStar_UInt128_op_Equals_Hat)(FStar_UInt128_uint128 x0, FStar_UInt128_uint128 x1) =
  261. FStar_UInt128_eq;
  262. bool
  263. (*FStar_UInt128_op_Greater_Hat)(FStar_UInt128_uint128 x0, FStar_UInt128_uint128 x1) =
  264. FStar_UInt128_gt;
  265. bool
  266. (*FStar_UInt128_op_Less_Hat)(FStar_UInt128_uint128 x0, FStar_UInt128_uint128 x1) =
  267. FStar_UInt128_lt;
  268. bool
  269. (*FStar_UInt128_op_Greater_Equals_Hat)(FStar_UInt128_uint128 x0, FStar_UInt128_uint128 x1) =
  270. FStar_UInt128_gte;
  271. bool
  272. (*FStar_UInt128_op_Less_Equals_Hat)(FStar_UInt128_uint128 x0, FStar_UInt128_uint128 x1) =
  273. FStar_UInt128_lte;
  274. static uint64_t FStar_UInt128_u64_mod_32(uint64_t a)
  275. {
  276. return a & (uint64_t)0xffffffffU;
  277. }
  278. static uint32_t FStar_UInt128_u32_32 = (uint32_t)32U;
  279. static uint64_t FStar_UInt128_u32_combine(uint64_t hi, uint64_t lo)
  280. {
  281. return lo + (hi << FStar_UInt128_u32_32);
  282. }
  283. FStar_UInt128_uint128 FStar_UInt128_mul32(uint64_t x, uint32_t y)
  284. {
  285. FStar_UInt128_uint128
  286. flat =
  287. {
  288. FStar_UInt128_u32_combine((x >> FStar_UInt128_u32_32)
  289. * (uint64_t)y
  290. + (FStar_UInt128_u64_mod_32(x) * (uint64_t)y >> FStar_UInt128_u32_32),
  291. FStar_UInt128_u64_mod_32(FStar_UInt128_u64_mod_32(x) * (uint64_t)y)),
  292. ((x >> FStar_UInt128_u32_32)
  293. * (uint64_t)y
  294. + (FStar_UInt128_u64_mod_32(x) * (uint64_t)y >> FStar_UInt128_u32_32))
  295. >> FStar_UInt128_u32_32
  296. };
  297. return flat;
  298. }
  299. typedef struct K___uint64_t_uint64_t_uint64_t_uint64_t_s
  300. {
  301. uint64_t fst;
  302. uint64_t snd;
  303. uint64_t thd;
  304. uint64_t f3;
  305. }
  306. K___uint64_t_uint64_t_uint64_t_uint64_t;
  307. static K___uint64_t_uint64_t_uint64_t_uint64_t
  308. FStar_UInt128_mul_wide_impl_t_(uint64_t x, uint64_t y)
  309. {
  310. K___uint64_t_uint64_t_uint64_t_uint64_t
  311. flat =
  312. {
  313. FStar_UInt128_u64_mod_32(x),
  314. FStar_UInt128_u64_mod_32(FStar_UInt128_u64_mod_32(x) * FStar_UInt128_u64_mod_32(y)),
  315. x
  316. >> FStar_UInt128_u32_32,
  317. (x >> FStar_UInt128_u32_32)
  318. * FStar_UInt128_u64_mod_32(y)
  319. + (FStar_UInt128_u64_mod_32(x) * FStar_UInt128_u64_mod_32(y) >> FStar_UInt128_u32_32)
  320. };
  321. return flat;
  322. }
  323. static uint64_t FStar_UInt128_u32_combine_(uint64_t hi, uint64_t lo)
  324. {
  325. return lo + (hi << FStar_UInt128_u32_32);
  326. }
  327. static FStar_UInt128_uint128 FStar_UInt128_mul_wide_impl(uint64_t x, uint64_t y)
  328. {
  329. K___uint64_t_uint64_t_uint64_t_uint64_t scrut = FStar_UInt128_mul_wide_impl_t_(x, y);
  330. uint64_t u1 = scrut.fst;
  331. uint64_t w3 = scrut.snd;
  332. uint64_t x_ = scrut.thd;
  333. uint64_t t_ = scrut.f3;
  334. FStar_UInt128_uint128
  335. flat =
  336. {
  337. FStar_UInt128_u32_combine_(u1 * (y >> FStar_UInt128_u32_32) + FStar_UInt128_u64_mod_32(t_),
  338. w3),
  339. x_
  340. * (y >> FStar_UInt128_u32_32)
  341. + (t_ >> FStar_UInt128_u32_32)
  342. + ((u1 * (y >> FStar_UInt128_u32_32) + FStar_UInt128_u64_mod_32(t_)) >> FStar_UInt128_u32_32)
  343. };
  344. return flat;
  345. }
  346. FStar_UInt128_uint128 FStar_UInt128_mul_wide(uint64_t x, uint64_t y)
  347. {
  348. return FStar_UInt128_mul_wide_impl(x, y);
  349. }