560 lines · c
1// RUN: %clang_builtins %s %librt -o %t && %run %t2// REQUIRES: librt_has_ctzsi23 4#include "int_lib.h"5#include <stdio.h>6 7// Returns: the number of trailing 0-bits8 9// Precondition: a != 010 11COMPILER_RT_ABI int __ctzsi2(si_int a);12 13int test__ctzsi2(si_int a, int expected)14{15 int x = __ctzsi2(a);16 if (x != expected)17 printf("error in __ctzsi2(0x%X) = %d, expected %d\n", a, x, expected);18 return x != expected;19}20 21char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0};22char assumption_2[sizeof(si_int)*CHAR_BIT == 32] = {0};23 24int main()25{26// if (test__ctzsi2(0x00000000, 32)) // undefined27// return 1;28 if (test__ctzsi2(0x00000001, 0))29 return 1;30 if (test__ctzsi2(0x00000002, 1))31 return 1;32 if (test__ctzsi2(0x00000003, 0))33 return 1;34 if (test__ctzsi2(0x00000004, 2))35 return 1;36 if (test__ctzsi2(0x00000005, 0))37 return 1;38 if (test__ctzsi2(0x00000006, 1))39 return 1;40 if (test__ctzsi2(0x00000007, 0))41 return 1;42 if (test__ctzsi2(0x00000008, 3))43 return 1;44 if (test__ctzsi2(0x00000009, 0))45 return 1;46 if (test__ctzsi2(0x0000000A, 1))47 return 1;48 if (test__ctzsi2(0x0000000B, 0))49 return 1;50 if (test__ctzsi2(0x0000000C, 2))51 return 1;52 if (test__ctzsi2(0x0000000D, 0))53 return 1;54 if (test__ctzsi2(0x0000000E, 1))55 return 1;56 if (test__ctzsi2(0x0000000F, 0))57 return 1;58 if (test__ctzsi2(0x00000010, 4))59 return 1;60 if (test__ctzsi2(0x00000012, 1))61 return 1;62 if (test__ctzsi2(0x00000013, 0))63 return 1;64 if (test__ctzsi2(0x00000014, 2))65 return 1;66 if (test__ctzsi2(0x00000015, 0))67 return 1;68 if (test__ctzsi2(0x00000016, 1))69 return 1;70 if (test__ctzsi2(0x00000017, 0))71 return 1;72 if (test__ctzsi2(0x00000018, 3))73 return 1;74 if (test__ctzsi2(0x00000019, 0))75 return 1;76 if (test__ctzsi2(0x0000001A, 1))77 return 1;78 if (test__ctzsi2(0x0000001B, 0))79 return 1;80 if (test__ctzsi2(0x0000001C, 2))81 return 1;82 if (test__ctzsi2(0x0000001D, 0))83 return 1;84 if (test__ctzsi2(0x0000001E, 1))85 return 1;86 if (test__ctzsi2(0x0000001F, 0))87 return 1;88 if (test__ctzsi2(0x00000020, 5))89 return 1;90 if (test__ctzsi2(0x00000022, 1))91 return 1;92 if (test__ctzsi2(0x00000023, 0))93 return 1;94 if (test__ctzsi2(0x00000024, 2))95 return 1;96 if (test__ctzsi2(0x00000025, 0))97 return 1;98 if (test__ctzsi2(0x00000026, 1))99 return 1;100 if (test__ctzsi2(0x00000027, 0))101 return 1;102 if (test__ctzsi2(0x00000028, 3))103 return 1;104 if (test__ctzsi2(0x00000029, 0))105 return 1;106 if (test__ctzsi2(0x0000002A, 1))107 return 1;108 if (test__ctzsi2(0x0000002B, 0))109 return 1;110 if (test__ctzsi2(0x0000002C, 2))111 return 1;112 if (test__ctzsi2(0x0000002D, 0))113 return 1;114 if (test__ctzsi2(0x0000002E, 1))115 return 1;116 if (test__ctzsi2(0x0000002F, 0))117 return 1;118 if (test__ctzsi2(0x00000030, 4))119 return 1;120 if (test__ctzsi2(0x00000032, 1))121 return 1;122 if (test__ctzsi2(0x00000033, 0))123 return 1;124 if (test__ctzsi2(0x00000034, 2))125 return 1;126 if (test__ctzsi2(0x00000035, 0))127 return 1;128 if (test__ctzsi2(0x00000036, 1))129 return 1;130 if (test__ctzsi2(0x00000037, 0))131 return 1;132 if (test__ctzsi2(0x00000038, 3))133 return 1;134 if (test__ctzsi2(0x00000039, 0))135 return 1;136 if (test__ctzsi2(0x0000003A, 1))137 return 1;138 if (test__ctzsi2(0x0000003B, 0))139 return 1;140 if (test__ctzsi2(0x0000003C, 2))141 return 1;142 if (test__ctzsi2(0x0000003D, 0))143 return 1;144 if (test__ctzsi2(0x0000003E, 1))145 return 1;146 if (test__ctzsi2(0x0000003F, 0))147 return 1;148 if (test__ctzsi2(0x00000040, 6))149 return 1;150 if (test__ctzsi2(0x00000042, 1))151 return 1;152 if (test__ctzsi2(0x00000043, 0))153 return 1;154 if (test__ctzsi2(0x00000044, 2))155 return 1;156 if (test__ctzsi2(0x00000045, 0))157 return 1;158 if (test__ctzsi2(0x00000046, 1))159 return 1;160 if (test__ctzsi2(0x00000047, 0))161 return 1;162 if (test__ctzsi2(0x00000048, 3))163 return 1;164 if (test__ctzsi2(0x00000049, 0))165 return 1;166 if (test__ctzsi2(0x0000004A, 1))167 return 1;168 if (test__ctzsi2(0x0000004B, 0))169 return 1;170 if (test__ctzsi2(0x0000004C, 2))171 return 1;172 if (test__ctzsi2(0x0000004D, 0))173 return 1;174 if (test__ctzsi2(0x0000004E, 1))175 return 1;176 if (test__ctzsi2(0x0000004F, 0))177 return 1;178 if (test__ctzsi2(0x00000050, 4))179 return 1;180 if (test__ctzsi2(0x00000052, 1))181 return 1;182 if (test__ctzsi2(0x00000053, 0))183 return 1;184 if (test__ctzsi2(0x00000054, 2))185 return 1;186 if (test__ctzsi2(0x00000055, 0))187 return 1;188 if (test__ctzsi2(0x00000056, 1))189 return 1;190 if (test__ctzsi2(0x00000057, 0))191 return 1;192 if (test__ctzsi2(0x00000058, 3))193 return 1;194 if (test__ctzsi2(0x00000059, 0))195 return 1;196 if (test__ctzsi2(0x0000005A, 1))197 return 1;198 if (test__ctzsi2(0x0000005B, 0))199 return 1;200 if (test__ctzsi2(0x0000005C, 2))201 return 1;202 if (test__ctzsi2(0x0000005D, 0))203 return 1;204 if (test__ctzsi2(0x0000005E, 1))205 return 1;206 if (test__ctzsi2(0x0000005F, 0))207 return 1;208 if (test__ctzsi2(0x00000060, 5))209 return 1;210 if (test__ctzsi2(0x00000062, 1))211 return 1;212 if (test__ctzsi2(0x00000063, 0))213 return 1;214 if (test__ctzsi2(0x00000064, 2))215 return 1;216 if (test__ctzsi2(0x00000065, 0))217 return 1;218 if (test__ctzsi2(0x00000066, 1))219 return 1;220 if (test__ctzsi2(0x00000067, 0))221 return 1;222 if (test__ctzsi2(0x00000068, 3))223 return 1;224 if (test__ctzsi2(0x00000069, 0))225 return 1;226 if (test__ctzsi2(0x0000006A, 1))227 return 1;228 if (test__ctzsi2(0x0000006B, 0))229 return 1;230 if (test__ctzsi2(0x0000006C, 2))231 return 1;232 if (test__ctzsi2(0x0000006D, 0))233 return 1;234 if (test__ctzsi2(0x0000006E, 1))235 return 1;236 if (test__ctzsi2(0x0000006F, 0))237 return 1;238 if (test__ctzsi2(0x00000070, 4))239 return 1;240 if (test__ctzsi2(0x00000072, 1))241 return 1;242 if (test__ctzsi2(0x00000073, 0))243 return 1;244 if (test__ctzsi2(0x00000074, 2))245 return 1;246 if (test__ctzsi2(0x00000075, 0))247 return 1;248 if (test__ctzsi2(0x00000076, 1))249 return 1;250 if (test__ctzsi2(0x00000077, 0))251 return 1;252 if (test__ctzsi2(0x00000078, 3))253 return 1;254 if (test__ctzsi2(0x00000079, 0))255 return 1;256 if (test__ctzsi2(0x0000007A, 1))257 return 1;258 if (test__ctzsi2(0x0000007B, 0))259 return 1;260 if (test__ctzsi2(0x0000007C, 2))261 return 1;262 if (test__ctzsi2(0x0000007D, 0))263 return 1;264 if (test__ctzsi2(0x0000007E, 1))265 return 1;266 if (test__ctzsi2(0x0000007F, 0))267 return 1;268 if (test__ctzsi2(0x00000080, 7))269 return 1;270 if (test__ctzsi2(0x00000082, 1))271 return 1;272 if (test__ctzsi2(0x00000083, 0))273 return 1;274 if (test__ctzsi2(0x00000084, 2))275 return 1;276 if (test__ctzsi2(0x00000085, 0))277 return 1;278 if (test__ctzsi2(0x00000086, 1))279 return 1;280 if (test__ctzsi2(0x00000087, 0))281 return 1;282 if (test__ctzsi2(0x00000088, 3))283 return 1;284 if (test__ctzsi2(0x00000089, 0))285 return 1;286 if (test__ctzsi2(0x0000008A, 1))287 return 1;288 if (test__ctzsi2(0x0000008B, 0))289 return 1;290 if (test__ctzsi2(0x0000008C, 2))291 return 1;292 if (test__ctzsi2(0x0000008D, 0))293 return 1;294 if (test__ctzsi2(0x0000008E, 1))295 return 1;296 if (test__ctzsi2(0x0000008F, 0))297 return 1;298 if (test__ctzsi2(0x00000090, 4))299 return 1;300 if (test__ctzsi2(0x00000092, 1))301 return 1;302 if (test__ctzsi2(0x00000093, 0))303 return 1;304 if (test__ctzsi2(0x00000094, 2))305 return 1;306 if (test__ctzsi2(0x00000095, 0))307 return 1;308 if (test__ctzsi2(0x00000096, 1))309 return 1;310 if (test__ctzsi2(0x00000097, 0))311 return 1;312 if (test__ctzsi2(0x00000098, 3))313 return 1;314 if (test__ctzsi2(0x00000099, 0))315 return 1;316 if (test__ctzsi2(0x0000009A, 1))317 return 1;318 if (test__ctzsi2(0x0000009B, 0))319 return 1;320 if (test__ctzsi2(0x0000009C, 2))321 return 1;322 if (test__ctzsi2(0x0000009D, 0))323 return 1;324 if (test__ctzsi2(0x0000009E, 1))325 return 1;326 if (test__ctzsi2(0x0000009F, 0))327 return 1;328 if (test__ctzsi2(0x000000A0, 5))329 return 1;330 if (test__ctzsi2(0x000000A2, 1))331 return 1;332 if (test__ctzsi2(0x000000A3, 0))333 return 1;334 if (test__ctzsi2(0x000000A4, 2))335 return 1;336 if (test__ctzsi2(0x000000A5, 0))337 return 1;338 if (test__ctzsi2(0x000000A6, 1))339 return 1;340 if (test__ctzsi2(0x000000A7, 0))341 return 1;342 if (test__ctzsi2(0x000000A8, 3))343 return 1;344 if (test__ctzsi2(0x000000A9, 0))345 return 1;346 if (test__ctzsi2(0x000000AA, 1))347 return 1;348 if (test__ctzsi2(0x000000AB, 0))349 return 1;350 if (test__ctzsi2(0x000000AC, 2))351 return 1;352 if (test__ctzsi2(0x000000AD, 0))353 return 1;354 if (test__ctzsi2(0x000000AE, 1))355 return 1;356 if (test__ctzsi2(0x000000AF, 0))357 return 1;358 if (test__ctzsi2(0x000000B0, 4))359 return 1;360 if (test__ctzsi2(0x000000B2, 1))361 return 1;362 if (test__ctzsi2(0x000000B3, 0))363 return 1;364 if (test__ctzsi2(0x000000B4, 2))365 return 1;366 if (test__ctzsi2(0x000000B5, 0))367 return 1;368 if (test__ctzsi2(0x000000B6, 1))369 return 1;370 if (test__ctzsi2(0x000000B7, 0))371 return 1;372 if (test__ctzsi2(0x000000B8, 3))373 return 1;374 if (test__ctzsi2(0x000000B9, 0))375 return 1;376 if (test__ctzsi2(0x000000BA, 1))377 return 1;378 if (test__ctzsi2(0x000000BB, 0))379 return 1;380 if (test__ctzsi2(0x000000BC, 2))381 return 1;382 if (test__ctzsi2(0x000000BD, 0))383 return 1;384 if (test__ctzsi2(0x000000BE, 1))385 return 1;386 if (test__ctzsi2(0x000000BF, 0))387 return 1;388 if (test__ctzsi2(0x000000C0, 6))389 return 1;390 if (test__ctzsi2(0x000000C2, 1))391 return 1;392 if (test__ctzsi2(0x000000C3, 0))393 return 1;394 if (test__ctzsi2(0x000000C4, 2))395 return 1;396 if (test__ctzsi2(0x000000C5, 0))397 return 1;398 if (test__ctzsi2(0x000000C6, 1))399 return 1;400 if (test__ctzsi2(0x000000C7, 0))401 return 1;402 if (test__ctzsi2(0x000000C8, 3))403 return 1;404 if (test__ctzsi2(0x000000C9, 0))405 return 1;406 if (test__ctzsi2(0x000000CA, 1))407 return 1;408 if (test__ctzsi2(0x000000CB, 0))409 return 1;410 if (test__ctzsi2(0x000000CC, 2))411 return 1;412 if (test__ctzsi2(0x000000CD, 0))413 return 1;414 if (test__ctzsi2(0x000000CE, 1))415 return 1;416 if (test__ctzsi2(0x000000CF, 0))417 return 1;418 if (test__ctzsi2(0x000000D0, 4))419 return 1;420 if (test__ctzsi2(0x000000D2, 1))421 return 1;422 if (test__ctzsi2(0x000000D3, 0))423 return 1;424 if (test__ctzsi2(0x000000D4, 2))425 return 1;426 if (test__ctzsi2(0x000000D5, 0))427 return 1;428 if (test__ctzsi2(0x000000D6, 1))429 return 1;430 if (test__ctzsi2(0x000000D7, 0))431 return 1;432 if (test__ctzsi2(0x000000D8, 3))433 return 1;434 if (test__ctzsi2(0x000000D9, 0))435 return 1;436 if (test__ctzsi2(0x000000DA, 1))437 return 1;438 if (test__ctzsi2(0x000000DB, 0))439 return 1;440 if (test__ctzsi2(0x000000DC, 2))441 return 1;442 if (test__ctzsi2(0x000000DD, 0))443 return 1;444 if (test__ctzsi2(0x000000DE, 1))445 return 1;446 if (test__ctzsi2(0x000000DF, 0))447 return 1;448 if (test__ctzsi2(0x000000E0, 5))449 return 1;450 if (test__ctzsi2(0x000000E2, 1))451 return 1;452 if (test__ctzsi2(0x000000E3, 0))453 return 1;454 if (test__ctzsi2(0x000000E4, 2))455 return 1;456 if (test__ctzsi2(0x000000E5, 0))457 return 1;458 if (test__ctzsi2(0x000000E6, 1))459 return 1;460 if (test__ctzsi2(0x000000E7, 0))461 return 1;462 if (test__ctzsi2(0x000000E8, 3))463 return 1;464 if (test__ctzsi2(0x000000E9, 0))465 return 1;466 if (test__ctzsi2(0x000000EA, 1))467 return 1;468 if (test__ctzsi2(0x000000EB, 0))469 return 1;470 if (test__ctzsi2(0x000000EC, 2))471 return 1;472 if (test__ctzsi2(0x000000ED, 0))473 return 1;474 if (test__ctzsi2(0x000000EE, 1))475 return 1;476 if (test__ctzsi2(0x000000EF, 0))477 return 1;478 if (test__ctzsi2(0x000000F0, 4))479 return 1;480 if (test__ctzsi2(0x000000F2, 1))481 return 1;482 if (test__ctzsi2(0x000000F3, 0))483 return 1;484 if (test__ctzsi2(0x000000F4, 2))485 return 1;486 if (test__ctzsi2(0x000000F5, 0))487 return 1;488 if (test__ctzsi2(0x000000F6, 1))489 return 1;490 if (test__ctzsi2(0x000000F7, 0))491 return 1;492 if (test__ctzsi2(0x000000F8, 3))493 return 1;494 if (test__ctzsi2(0x000000F9, 0))495 return 1;496 if (test__ctzsi2(0x000000FA, 1))497 return 1;498 if (test__ctzsi2(0x000000FB, 0))499 return 1;500 if (test__ctzsi2(0x000000FC, 2))501 return 1;502 if (test__ctzsi2(0x000000FD, 0))503 return 1;504 if (test__ctzsi2(0x000000FE, 1))505 return 1;506 if (test__ctzsi2(0x000000FF, 0))507 return 1;508 509 if (test__ctzsi2(0x00000100, 8))510 return 1;511 if (test__ctzsi2(0x00000200, 9))512 return 1;513 if (test__ctzsi2(0x00000400, 10))514 return 1;515 if (test__ctzsi2(0x00000800, 11))516 return 1;517 if (test__ctzsi2(0x00001000, 12))518 return 1;519 if (test__ctzsi2(0x00002000, 13))520 return 1;521 if (test__ctzsi2(0x00004000, 14))522 return 1;523 if (test__ctzsi2(0x00008000, 15))524 return 1;525 if (test__ctzsi2(0x00010000, 16))526 return 1;527 if (test__ctzsi2(0x00020000, 17))528 return 1;529 if (test__ctzsi2(0x00040000, 18))530 return 1;531 if (test__ctzsi2(0x00080000, 19))532 return 1;533 if (test__ctzsi2(0x00100000, 20))534 return 1;535 if (test__ctzsi2(0x00200000, 21))536 return 1;537 if (test__ctzsi2(0x00400000, 22))538 return 1;539 if (test__ctzsi2(0x00800000, 23))540 return 1;541 if (test__ctzsi2(0x01000000, 24))542 return 1;543 if (test__ctzsi2(0x02000000, 25))544 return 1;545 if (test__ctzsi2(0x04000000, 26))546 return 1;547 if (test__ctzsi2(0x08000000, 27))548 return 1;549 if (test__ctzsi2(0x10000000, 28))550 return 1;551 if (test__ctzsi2(0x20000000, 29))552 return 1;553 if (test__ctzsi2(0x40000000, 30))554 return 1;555 if (test__ctzsi2(0x80000000, 31))556 return 1;557 558 return 0;559}560