1b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar//===-- ctzti2_test.c - Test __ctzti2 -------------------------------------===// 2b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar// 3b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar// The LLVM Compiler Infrastructure 4b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar// 59ad441ffec97db647fee3725b3424284fb913e14Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 69ad441ffec97db647fee3725b3424284fb913e14Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar// 8b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar//===----------------------------------------------------------------------===// 9b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar// 10b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar// This file tests __ctzti2 for the compiler_rt library. 11b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar// 12b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar//===----------------------------------------------------------------------===// 13b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar 14b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar#include "int_lib.h" 15b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar#include <stdio.h> 16b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar 172d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#ifdef CRT_HAS_128BIT 182d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines 19b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar// Returns: the number of trailing 0-bits 20b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar 21b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar// Precondition: a != 0 22b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar 23b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbarsi_int __ctzti2(ti_int a); 24b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar 25b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbarint test__ctzti2(ti_int a, si_int expected) 26b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar{ 27b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar si_int x = __ctzti2(a); 28b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar if (x != expected) 29b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar { 30b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar twords at; 31b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar at.all = a; 32b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar printf("error in __ctzti2(0x%llX%.16llX) = %d, expected %d\n", 33cff5248a12a36a7225b707b23ac088f5ba214f8aDaniel Dunbar at.s.high, at.s.low, x, expected); 34b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar } 35b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar return x != expected; 36b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar} 37b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar 38b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbarchar assumption_1[sizeof(ti_int) == 2*sizeof(di_int)] = {0}; 39b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar 40b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar#endif 41b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar 42b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbarint main() 43b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar{ 442d1fdb26e458c4ddc04155c1d421bced3ba90cd0Stephen Hines#ifdef CRT_HAS_128BIT 45b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar if (test__ctzti2(0x00000001, 0)) 46b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar return 1; 47b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar if (test__ctzti2(0x00000002, 1)) 48b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar return 1; 49b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar if (test__ctzti2(0x00000003, 0)) 50b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar return 1; 51b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar if (test__ctzti2(0x00000004, 2)) 52b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar return 1; 53b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar if (test__ctzti2(0x00000005, 0)) 54b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar return 1; 55b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar if (test__ctzti2(0x0000000A, 1)) 56b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar return 1; 57b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar if (test__ctzti2(0x10000000, 28)) 58b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar return 1; 59b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar if (test__ctzti2(0x20000000, 29)) 60b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar return 1; 61b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar if (test__ctzti2(0x60000000, 29)) 62b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar return 1; 63b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar if (test__ctzti2(0x80000000uLL, 31)) 64b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar return 1; 65b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar if (test__ctzti2(0x0000050000000000uLL, 40)) 66b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar return 1; 67b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar if (test__ctzti2(0x0200080000000000uLL, 43)) 68b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar return 1; 69b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar if (test__ctzti2(0x7200000000000000uLL, 57)) 70b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar return 1; 71b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar if (test__ctzti2(0x8000000000000000uLL, 63)) 72b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar return 1; 73b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar if (test__ctzti2(make_ti(0x00000000A0000000LL, 0x0000000000000000LL), 93)) 74b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar return 1; 75b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar if (test__ctzti2(make_ti(0xF000000000000000LL, 0x0000000000000000LL), 124)) 76b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar return 1; 77b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar if (test__ctzti2(make_ti(0x8000000000000000LL, 0x0000000000000000LL), 127)) 78b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar return 1; 797482815716cd9b87931d82dca7298fc3c707229fJoerg Sonnenberger#else 807482815716cd9b87931d82dca7298fc3c707229fJoerg Sonnenberger printf("skipped\n"); 81b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar#endif 82b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar 83b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar return 0; 84b3a6901e66f55b35aa9e01bcb24134e6a65ea004Daniel Dunbar} 85