1 //===-- fixunstfdi_test.c - Test __fixunstfdi -----------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file tests __fixunstfdi for the compiler_rt library. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #if _ARCH_PPC 15 16 #include "int_lib.h" 17 #include <stdio.h> 18 19 // Returns: convert a to a unsigned long long, rounding toward zero. 20 // Negative values all become zero. 21 22 // Assumption: long double is a ppc 128 bit floating point type 23 // du_int is a 64 bit integral type 24 // value in long double is representable in du_int or is negative 25 // (no range checking performed) 26 27 du_int __fixunstfdi(long double a); 28 29 int test__fixunstfdi(long double a, du_int expected) 30 { 31 du_int x = __fixunstfdi(a); 32 if (x != expected) 33 printf("error in __fixunstfdi(%LA) = %llX, expected %llX\n", 34 a, x, expected); 35 return x != expected; 36 } 37 38 char assumption_1[sizeof(du_int) == 2*sizeof(su_int)] = {0}; 39 char assumption_2[sizeof(du_int)*CHAR_BIT == 64] = {0}; 40 char assumption_3[sizeof(long double)*CHAR_BIT == 128] = {0}; 41 42 #endif 43 44 int main() 45 { 46 #if _ARCH_PPC 47 if (test__fixunstfdi(0.0, 0)) 48 return 1; 49 50 if (test__fixunstfdi(0.5, 0)) 51 return 1; 52 if (test__fixunstfdi(0.99, 0)) 53 return 1; 54 if (test__fixunstfdi(1.0, 1)) 55 return 1; 56 if (test__fixunstfdi(1.5, 1)) 57 return 1; 58 if (test__fixunstfdi(1.99, 1)) 59 return 1; 60 if (test__fixunstfdi(2.0, 2)) 61 return 1; 62 if (test__fixunstfdi(2.01, 2)) 63 return 1; 64 if (test__fixunstfdi(-0.5, 0)) 65 return 1; 66 if (test__fixunstfdi(-0.99, 0)) 67 return 1; 68 if (test__fixunstfdi(-1.0, 0)) 69 return 1; 70 if (test__fixunstfdi(-1.5, 0)) 71 return 1; 72 if (test__fixunstfdi(-1.99, 0)) 73 return 1; 74 if (test__fixunstfdi(-2.0, 0)) 75 return 1; 76 if (test__fixunstfdi(-2.01, 0)) 77 return 1; 78 79 if (test__fixunstfdi(0x1.FFFFFEp+62, 0x7FFFFF8000000000LL)) 80 return 1; 81 if (test__fixunstfdi(0x1.FFFFFCp+62, 0x7FFFFF0000000000LL)) 82 return 1; 83 84 if (test__fixunstfdi(-0x1.FFFFFEp+62, 0)) 85 return 1; 86 if (test__fixunstfdi(-0x1.FFFFFCp+62, 0)) 87 return 1; 88 89 if (test__fixunstfdi(0x1.FFFFFFFFFFFFFp+62, 0x7FFFFFFFFFFFFC00LL)) 90 return 1; 91 if (test__fixunstfdi(0x1.FFFFFFFFFFFFEp+62, 0x7FFFFFFFFFFFF800LL)) 92 return 1; 93 94 if (test__fixunstfdi(-0x1.FFFFFFFFFFFFFp+62, 0)) 95 return 1; 96 if (test__fixunstfdi(-0x1.FFFFFFFFFFFFEp+62, 0)) 97 return 1; 98 99 if (test__fixunstfdi(0x1.FFFFFFFFFFFFFFFEp+63L, 0xFFFFFFFFFFFFFFFFLL)) 100 return 1; 101 if (test__fixunstfdi(0x1.0000000000000002p+63L, 0x8000000000000001LL)) 102 return 1; 103 if (test__fixunstfdi(0x1.0000000000000000p+63L, 0x8000000000000000LL)) 104 return 1; 105 if (test__fixunstfdi(0x1.FFFFFFFFFFFFFFFCp+62L, 0x7FFFFFFFFFFFFFFFLL)) 106 return 1; 107 if (test__fixunstfdi(0x1.FFFFFFFFFFFFFFF8p+62L, 0x7FFFFFFFFFFFFFFELL)) 108 return 1; 109 110 if (test__fixunstfdi(-0x1.0000000000000000p+63L, 0)) 111 return 1; 112 if (test__fixunstfdi(-0x1.FFFFFFFFFFFFFFFCp+62L, 0)) 113 return 1; 114 if (test__fixunstfdi(-0x1.FFFFFFFFFFFFFFF8p+62L, 0)) 115 return 1; 116 117 #endif 118 return 0; 119 } 120
