1 //===-- ctzsi2_test.c - Test __ctzsi2 -------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file tests __ctzsi2 for the compiler_rt library. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "int_lib.h" 15 #include <stdio.h> 16 17 // Returns: the number of trailing 0-bits 18 19 // Precondition: a != 0 20 21 si_int __ctzsi2(si_int a); 22 23 int test__ctzsi2(si_int a, si_int expected) 24 { 25 si_int x = __ctzsi2(a); 26 if (x != expected) 27 printf("error in __ctzsi2(0x%X) = %d, expected %d\n", a, x, expected); 28 return x != expected; 29 } 30 31 char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0}; 32 char assumption_2[sizeof(si_int)*CHAR_BIT == 32] = {0}; 33 34 int main() 35 { 36 // if (test__ctzsi2(0x00000000, 32)) // undefined 37 // return 1; 38 if (test__ctzsi2(0x00000001, 0)) 39 return 1; 40 if (test__ctzsi2(0x00000002, 1)) 41 return 1; 42 if (test__ctzsi2(0x00000003, 0)) 43 return 1; 44 if (test__ctzsi2(0x00000004, 2)) 45 return 1; 46 if (test__ctzsi2(0x00000005, 0)) 47 return 1; 48 if (test__ctzsi2(0x00000006, 1)) 49 return 1; 50 if (test__ctzsi2(0x00000007, 0)) 51 return 1; 52 if (test__ctzsi2(0x00000008, 3)) 53 return 1; 54 if (test__ctzsi2(0x00000009, 0)) 55 return 1; 56 if (test__ctzsi2(0x0000000A, 1)) 57 return 1; 58 if (test__ctzsi2(0x0000000B, 0)) 59 return 1; 60 if (test__ctzsi2(0x0000000C, 2)) 61 return 1; 62 if (test__ctzsi2(0x0000000D, 0)) 63 return 1; 64 if (test__ctzsi2(0x0000000E, 1)) 65 return 1; 66 if (test__ctzsi2(0x0000000F, 0)) 67 return 1; 68 if (test__ctzsi2(0x00000010, 4)) 69 return 1; 70 if (test__ctzsi2(0x00000012, 1)) 71 return 1; 72 if (test__ctzsi2(0x00000013, 0)) 73 return 1; 74 if (test__ctzsi2(0x00000014, 2)) 75 return 1; 76 if (test__ctzsi2(0x00000015, 0)) 77 return 1; 78 if (test__ctzsi2(0x00000016, 1)) 79 return 1; 80 if (test__ctzsi2(0x00000017, 0)) 81 return 1; 82 if (test__ctzsi2(0x00000018, 3)) 83 return 1; 84 if (test__ctzsi2(0x00000019, 0)) 85 return 1; 86 if (test__ctzsi2(0x0000001A, 1)) 87 return 1; 88 if (test__ctzsi2(0x0000001B, 0)) 89 return 1; 90 if (test__ctzsi2(0x0000001C, 2)) 91 return 1; 92 if (test__ctzsi2(0x0000001D, 0)) 93 return 1; 94 if (test__ctzsi2(0x0000001E, 1)) 95 return 1; 96 if (test__ctzsi2(0x0000001F, 0)) 97 return 1; 98 if (test__ctzsi2(0x00000020, 5)) 99 return 1; 100 if (test__ctzsi2(0x00000022, 1)) 101 return 1; 102 if (test__ctzsi2(0x00000023, 0)) 103 return 1; 104 if (test__ctzsi2(0x00000024, 2)) 105 return 1; 106 if (test__ctzsi2(0x00000025, 0)) 107 return 1; 108 if (test__ctzsi2(0x00000026, 1)) 109 return 1; 110 if (test__ctzsi2(0x00000027, 0)) 111 return 1; 112 if (test__ctzsi2(0x00000028, 3)) 113 return 1; 114 if (test__ctzsi2(0x00000029, 0)) 115 return 1; 116 if (test__ctzsi2(0x0000002A, 1)) 117 return 1; 118 if (test__ctzsi2(0x0000002B, 0)) 119 return 1; 120 if (test__ctzsi2(0x0000002C, 2)) 121 return 1; 122 if (test__ctzsi2(0x0000002D, 0)) 123 return 1; 124 if (test__ctzsi2(0x0000002E, 1)) 125 return 1; 126 if (test__ctzsi2(0x0000002F, 0)) 127 return 1; 128 if (test__ctzsi2(0x00000030, 4)) 129 return 1; 130 if (test__ctzsi2(0x00000032, 1)) 131 return 1; 132 if (test__ctzsi2(0x00000033, 0)) 133 return 1; 134 if (test__ctzsi2(0x00000034, 2)) 135 return 1; 136 if (test__ctzsi2(0x00000035, 0)) 137 return 1; 138 if (test__ctzsi2(0x00000036, 1)) 139 return 1; 140 if (test__ctzsi2(0x00000037, 0)) 141 return 1; 142 if (test__ctzsi2(0x00000038, 3)) 143 return 1; 144 if (test__ctzsi2(0x00000039, 0)) 145 return 1; 146 if (test__ctzsi2(0x0000003A, 1)) 147 return 1; 148 if (test__ctzsi2(0x0000003B, 0)) 149 return 1; 150 if (test__ctzsi2(0x0000003C, 2)) 151 return 1; 152 if (test__ctzsi2(0x0000003D, 0)) 153 return 1; 154 if (test__ctzsi2(0x0000003E, 1)) 155 return 1; 156 if (test__ctzsi2(0x0000003F, 0)) 157 return 1; 158 if (test__ctzsi2(0x00000040, 6)) 159 return 1; 160 if (test__ctzsi2(0x00000042, 1)) 161 return 1; 162 if (test__ctzsi2(0x00000043, 0)) 163 return 1; 164 if (test__ctzsi2(0x00000044, 2)) 165 return 1; 166 if (test__ctzsi2(0x00000045, 0)) 167 return 1; 168 if (test__ctzsi2(0x00000046, 1)) 169 return 1; 170 if (test__ctzsi2(0x00000047, 0)) 171 return 1; 172 if (test__ctzsi2(0x00000048, 3)) 173 return 1; 174 if (test__ctzsi2(0x00000049, 0)) 175 return 1; 176 if (test__ctzsi2(0x0000004A, 1)) 177 return 1; 178 if (test__ctzsi2(0x0000004B, 0)) 179 return 1; 180 if (test__ctzsi2(0x0000004C, 2)) 181 return 1; 182 if (test__ctzsi2(0x0000004D, 0)) 183 return 1; 184 if (test__ctzsi2(0x0000004E, 1)) 185 return 1; 186 if (test__ctzsi2(0x0000004F, 0)) 187 return 1; 188 if (test__ctzsi2(0x00000050, 4)) 189 return 1; 190 if (test__ctzsi2(0x00000052, 1)) 191 return 1; 192 if (test__ctzsi2(0x00000053, 0)) 193 return 1; 194 if (test__ctzsi2(0x00000054, 2)) 195 return 1; 196 if (test__ctzsi2(0x00000055, 0)) 197 return 1; 198 if (test__ctzsi2(0x00000056, 1)) 199 return 1; 200 if (test__ctzsi2(0x00000057, 0)) 201 return 1; 202 if (test__ctzsi2(0x00000058, 3)) 203 return 1; 204 if (test__ctzsi2(0x00000059, 0)) 205 return 1; 206 if (test__ctzsi2(0x0000005A, 1)) 207 return 1; 208 if (test__ctzsi2(0x0000005B, 0)) 209 return 1; 210 if (test__ctzsi2(0x0000005C, 2)) 211 return 1; 212 if (test__ctzsi2(0x0000005D, 0)) 213 return 1; 214 if (test__ctzsi2(0x0000005E, 1)) 215 return 1; 216 if (test__ctzsi2(0x0000005F, 0)) 217 return 1; 218 if (test__ctzsi2(0x00000060, 5)) 219 return 1; 220 if (test__ctzsi2(0x00000062, 1)) 221 return 1; 222 if (test__ctzsi2(0x00000063, 0)) 223 return 1; 224 if (test__ctzsi2(0x00000064, 2)) 225 return 1; 226 if (test__ctzsi2(0x00000065, 0)) 227 return 1; 228 if (test__ctzsi2(0x00000066, 1)) 229 return 1; 230 if (test__ctzsi2(0x00000067, 0)) 231 return 1; 232 if (test__ctzsi2(0x00000068, 3)) 233 return 1; 234 if (test__ctzsi2(0x00000069, 0)) 235 return 1; 236 if (test__ctzsi2(0x0000006A, 1)) 237 return 1; 238 if (test__ctzsi2(0x0000006B, 0)) 239 return 1; 240 if (test__ctzsi2(0x0000006C, 2)) 241 return 1; 242 if (test__ctzsi2(0x0000006D, 0)) 243 return 1; 244 if (test__ctzsi2(0x0000006E, 1)) 245 return 1; 246 if (test__ctzsi2(0x0000006F, 0)) 247 return 1; 248 if (test__ctzsi2(0x00000070, 4)) 249 return 1; 250 if (test__ctzsi2(0x00000072, 1)) 251 return 1; 252 if (test__ctzsi2(0x00000073, 0)) 253 return 1; 254 if (test__ctzsi2(0x00000074, 2)) 255 return 1; 256 if (test__ctzsi2(0x00000075, 0)) 257 return 1; 258 if (test__ctzsi2(0x00000076, 1)) 259 return 1; 260 if (test__ctzsi2(0x00000077, 0)) 261 return 1; 262 if (test__ctzsi2(0x00000078, 3)) 263 return 1; 264 if (test__ctzsi2(0x00000079, 0)) 265 return 1; 266 if (test__ctzsi2(0x0000007A, 1)) 267 return 1; 268 if (test__ctzsi2(0x0000007B, 0)) 269 return 1; 270 if (test__ctzsi2(0x0000007C, 2)) 271 return 1; 272 if (test__ctzsi2(0x0000007D, 0)) 273 return 1; 274 if (test__ctzsi2(0x0000007E, 1)) 275 return 1; 276 if (test__ctzsi2(0x0000007F, 0)) 277 return 1; 278 if (test__ctzsi2(0x00000080, 7)) 279 return 1; 280 if (test__ctzsi2(0x00000082, 1)) 281 return 1; 282 if (test__ctzsi2(0x00000083, 0)) 283 return 1; 284 if (test__ctzsi2(0x00000084, 2)) 285 return 1; 286 if (test__ctzsi2(0x00000085, 0)) 287 return 1; 288 if (test__ctzsi2(0x00000086, 1)) 289 return 1; 290 if (test__ctzsi2(0x00000087, 0)) 291 return 1; 292 if (test__ctzsi2(0x00000088, 3)) 293 return 1; 294 if (test__ctzsi2(0x00000089, 0)) 295 return 1; 296 if (test__ctzsi2(0x0000008A, 1)) 297 return 1; 298 if (test__ctzsi2(0x0000008B, 0)) 299 return 1; 300 if (test__ctzsi2(0x0000008C, 2)) 301 return 1; 302 if (test__ctzsi2(0x0000008D, 0)) 303 return 1; 304 if (test__ctzsi2(0x0000008E, 1)) 305 return 1; 306 if (test__ctzsi2(0x0000008F, 0)) 307 return 1; 308 if (test__ctzsi2(0x00000090, 4)) 309 return 1; 310 if (test__ctzsi2(0x00000092, 1)) 311 return 1; 312 if (test__ctzsi2(0x00000093, 0)) 313 return 1; 314 if (test__ctzsi2(0x00000094, 2)) 315 return 1; 316 if (test__ctzsi2(0x00000095, 0)) 317 return 1; 318 if (test__ctzsi2(0x00000096, 1)) 319 return 1; 320 if (test__ctzsi2(0x00000097, 0)) 321 return 1; 322 if (test__ctzsi2(0x00000098, 3)) 323 return 1; 324 if (test__ctzsi2(0x00000099, 0)) 325 return 1; 326 if (test__ctzsi2(0x0000009A, 1)) 327 return 1; 328 if (test__ctzsi2(0x0000009B, 0)) 329 return 1; 330 if (test__ctzsi2(0x0000009C, 2)) 331 return 1; 332 if (test__ctzsi2(0x0000009D, 0)) 333 return 1; 334 if (test__ctzsi2(0x0000009E, 1)) 335 return 1; 336 if (test__ctzsi2(0x0000009F, 0)) 337 return 1; 338 if (test__ctzsi2(0x000000A0, 5)) 339 return 1; 340 if (test__ctzsi2(0x000000A2, 1)) 341 return 1; 342 if (test__ctzsi2(0x000000A3, 0)) 343 return 1; 344 if (test__ctzsi2(0x000000A4, 2)) 345 return 1; 346 if (test__ctzsi2(0x000000A5, 0)) 347 return 1; 348 if (test__ctzsi2(0x000000A6, 1)) 349 return 1; 350 if (test__ctzsi2(0x000000A7, 0)) 351 return 1; 352 if (test__ctzsi2(0x000000A8, 3)) 353 return 1; 354 if (test__ctzsi2(0x000000A9, 0)) 355 return 1; 356 if (test__ctzsi2(0x000000AA, 1)) 357 return 1; 358 if (test__ctzsi2(0x000000AB, 0)) 359 return 1; 360 if (test__ctzsi2(0x000000AC, 2)) 361 return 1; 362 if (test__ctzsi2(0x000000AD, 0)) 363 return 1; 364 if (test__ctzsi2(0x000000AE, 1)) 365 return 1; 366 if (test__ctzsi2(0x000000AF, 0)) 367 return 1; 368 if (test__ctzsi2(0x000000B0, 4)) 369 return 1; 370 if (test__ctzsi2(0x000000B2, 1)) 371 return 1; 372 if (test__ctzsi2(0x000000B3, 0)) 373 return 1; 374 if (test__ctzsi2(0x000000B4, 2)) 375 return 1; 376 if (test__ctzsi2(0x000000B5, 0)) 377 return 1; 378 if (test__ctzsi2(0x000000B6, 1)) 379 return 1; 380 if (test__ctzsi2(0x000000B7, 0)) 381 return 1; 382 if (test__ctzsi2(0x000000B8, 3)) 383 return 1; 384 if (test__ctzsi2(0x000000B9, 0)) 385 return 1; 386 if (test__ctzsi2(0x000000BA, 1)) 387 return 1; 388 if (test__ctzsi2(0x000000BB, 0)) 389 return 1; 390 if (test__ctzsi2(0x000000BC, 2)) 391 return 1; 392 if (test__ctzsi2(0x000000BD, 0)) 393 return 1; 394 if (test__ctzsi2(0x000000BE, 1)) 395 return 1; 396 if (test__ctzsi2(0x000000BF, 0)) 397 return 1; 398 if (test__ctzsi2(0x000000C0, 6)) 399 return 1; 400 if (test__ctzsi2(0x000000C2, 1)) 401 return 1; 402 if (test__ctzsi2(0x000000C3, 0)) 403 return 1; 404 if (test__ctzsi2(0x000000C4, 2)) 405 return 1; 406 if (test__ctzsi2(0x000000C5, 0)) 407 return 1; 408 if (test__ctzsi2(0x000000C6, 1)) 409 return 1; 410 if (test__ctzsi2(0x000000C7, 0)) 411 return 1; 412 if (test__ctzsi2(0x000000C8, 3)) 413 return 1; 414 if (test__ctzsi2(0x000000C9, 0)) 415 return 1; 416 if (test__ctzsi2(0x000000CA, 1)) 417 return 1; 418 if (test__ctzsi2(0x000000CB, 0)) 419 return 1; 420 if (test__ctzsi2(0x000000CC, 2)) 421 return 1; 422 if (test__ctzsi2(0x000000CD, 0)) 423 return 1; 424 if (test__ctzsi2(0x000000CE, 1)) 425 return 1; 426 if (test__ctzsi2(0x000000CF, 0)) 427 return 1; 428 if (test__ctzsi2(0x000000D0, 4)) 429 return 1; 430 if (test__ctzsi2(0x000000D2, 1)) 431 return 1; 432 if (test__ctzsi2(0x000000D3, 0)) 433 return 1; 434 if (test__ctzsi2(0x000000D4, 2)) 435 return 1; 436 if (test__ctzsi2(0x000000D5, 0)) 437 return 1; 438 if (test__ctzsi2(0x000000D6, 1)) 439 return 1; 440 if (test__ctzsi2(0x000000D7, 0)) 441 return 1; 442 if (test__ctzsi2(0x000000D8, 3)) 443 return 1; 444 if (test__ctzsi2(0x000000D9, 0)) 445 return 1; 446 if (test__ctzsi2(0x000000DA, 1)) 447 return 1; 448 if (test__ctzsi2(0x000000DB, 0)) 449 return 1; 450 if (test__ctzsi2(0x000000DC, 2)) 451 return 1; 452 if (test__ctzsi2(0x000000DD, 0)) 453 return 1; 454 if (test__ctzsi2(0x000000DE, 1)) 455 return 1; 456 if (test__ctzsi2(0x000000DF, 0)) 457 return 1; 458 if (test__ctzsi2(0x000000E0, 5)) 459 return 1; 460 if (test__ctzsi2(0x000000E2, 1)) 461 return 1; 462 if (test__ctzsi2(0x000000E3, 0)) 463 return 1; 464 if (test__ctzsi2(0x000000E4, 2)) 465 return 1; 466 if (test__ctzsi2(0x000000E5, 0)) 467 return 1; 468 if (test__ctzsi2(0x000000E6, 1)) 469 return 1; 470 if (test__ctzsi2(0x000000E7, 0)) 471 return 1; 472 if (test__ctzsi2(0x000000E8, 3)) 473 return 1; 474 if (test__ctzsi2(0x000000E9, 0)) 475 return 1; 476 if (test__ctzsi2(0x000000EA, 1)) 477 return 1; 478 if (test__ctzsi2(0x000000EB, 0)) 479 return 1; 480 if (test__ctzsi2(0x000000EC, 2)) 481 return 1; 482 if (test__ctzsi2(0x000000ED, 0)) 483 return 1; 484 if (test__ctzsi2(0x000000EE, 1)) 485 return 1; 486 if (test__ctzsi2(0x000000EF, 0)) 487 return 1; 488 if (test__ctzsi2(0x000000F0, 4)) 489 return 1; 490 if (test__ctzsi2(0x000000F2, 1)) 491 return 1; 492 if (test__ctzsi2(0x000000F3, 0)) 493 return 1; 494 if (test__ctzsi2(0x000000F4, 2)) 495 return 1; 496 if (test__ctzsi2(0x000000F5, 0)) 497 return 1; 498 if (test__ctzsi2(0x000000F6, 1)) 499 return 1; 500 if (test__ctzsi2(0x000000F7, 0)) 501 return 1; 502 if (test__ctzsi2(0x000000F8, 3)) 503 return 1; 504 if (test__ctzsi2(0x000000F9, 0)) 505 return 1; 506 if (test__ctzsi2(0x000000FA, 1)) 507 return 1; 508 if (test__ctzsi2(0x000000FB, 0)) 509 return 1; 510 if (test__ctzsi2(0x000000FC, 2)) 511 return 1; 512 if (test__ctzsi2(0x000000FD, 0)) 513 return 1; 514 if (test__ctzsi2(0x000000FE, 1)) 515 return 1; 516 if (test__ctzsi2(0x000000FF, 0)) 517 return 1; 518 519 if (test__ctzsi2(0x00000100, 8)) 520 return 1; 521 if (test__ctzsi2(0x00000200, 9)) 522 return 1; 523 if (test__ctzsi2(0x00000400, 10)) 524 return 1; 525 if (test__ctzsi2(0x00000800, 11)) 526 return 1; 527 if (test__ctzsi2(0x00001000, 12)) 528 return 1; 529 if (test__ctzsi2(0x00002000, 13)) 530 return 1; 531 if (test__ctzsi2(0x00004000, 14)) 532 return 1; 533 if (test__ctzsi2(0x00008000, 15)) 534 return 1; 535 if (test__ctzsi2(0x00010000, 16)) 536 return 1; 537 if (test__ctzsi2(0x00020000, 17)) 538 return 1; 539 if (test__ctzsi2(0x00040000, 18)) 540 return 1; 541 if (test__ctzsi2(0x00080000, 19)) 542 return 1; 543 if (test__ctzsi2(0x00100000, 20)) 544 return 1; 545 if (test__ctzsi2(0x00200000, 21)) 546 return 1; 547 if (test__ctzsi2(0x00400000, 22)) 548 return 1; 549 if (test__ctzsi2(0x00800000, 23)) 550 return 1; 551 if (test__ctzsi2(0x01000000, 24)) 552 return 1; 553 if (test__ctzsi2(0x02000000, 25)) 554 return 1; 555 if (test__ctzsi2(0x04000000, 26)) 556 return 1; 557 if (test__ctzsi2(0x08000000, 27)) 558 return 1; 559 if (test__ctzsi2(0x10000000, 28)) 560 return 1; 561 if (test__ctzsi2(0x20000000, 29)) 562 return 1; 563 if (test__ctzsi2(0x40000000, 30)) 564 return 1; 565 if (test__ctzsi2(0x80000000, 31)) 566 return 1; 567 568 return 0; 569 } 570
