1 //===-- modti3_test.c - Test __modti3 -------------------------------------===// 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 __modti3 for the compiler_rt library. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "int_lib.h" 15 #include <stdio.h> 16 17 #ifdef CRT_HAS_128BIT 18 19 // Returns: a % b 20 21 COMPILER_RT_ABI ti_int __modti3(ti_int a, ti_int b); 22 23 int test__modti3(ti_int a, ti_int b, ti_int expected) 24 { 25 ti_int x = __modti3(a, b); 26 if (x != expected) 27 { 28 twords at; 29 at.all = a; 30 twords bt; 31 bt.all = b; 32 twords xt; 33 xt.all = x; 34 twords expectedt; 35 expectedt.all = expected; 36 printf("error in __modti3: 0x%.16llX%.16llX %% 0x%.16llX%.16llX = " 37 "0x%.16llX%.16llX, expected 0x%.16llX%.16llX\n", 38 at.s.high, at.s.low, bt.s.high, bt.s.low, xt.s.high, xt.s.low, 39 expectedt.s.high, expectedt.s.low); 40 } 41 return x != expected; 42 } 43 44 char assumption_1[sizeof(ti_int) == 2*sizeof(di_int)] = {0}; 45 46 #endif 47 48 int main() 49 { 50 #ifdef CRT_HAS_128BIT 51 if (test__modti3(0, 1, 0)) 52 return 1; 53 if (test__modti3(0, -1, 0)) 54 return 1; 55 56 if (test__modti3(5, 3, 2)) 57 return 1; 58 if (test__modti3(5, -3, 2)) 59 return 1; 60 if (test__modti3(-5, 3, -2)) 61 return 1; 62 if (test__modti3(-5, -3, -2)) 63 return 1; 64 65 if (test__modti3(0x8000000000000000LL, 1, 0x0LL)) 66 return 1; 67 if (test__modti3(0x8000000000000000LL, -1, 0x0LL)) 68 return 1; 69 if (test__modti3(0x8000000000000000LL, 2, 0x0LL)) 70 return 1; 71 if (test__modti3(0x8000000000000000LL, -2, 0x0LL)) 72 return 1; 73 if (test__modti3(0x8000000000000000LL, 3, 2)) 74 return 1; 75 if (test__modti3(0x8000000000000000LL, -3, 2)) 76 return 1; 77 78 if (test__modti3(make_ti(0x8000000000000000LL, 0), 1, 0x0LL)) 79 return 1; 80 if (test__modti3(make_ti(0x8000000000000000LL, 0), -1, 0x0LL)) 81 return 1; 82 if (test__modti3(make_ti(0x8000000000000000LL, 0), 2, 0x0LL)) 83 return 1; 84 if (test__modti3(make_ti(0x8000000000000000LL, 0), -2, 0x0LL)) 85 return 1; 86 if (test__modti3(make_ti(0x8000000000000000LL, 0), 3, -2)) 87 return 1; 88 if (test__modti3(make_ti(0x8000000000000000LL, 0), -3, -2)) 89 return 1; 90 91 #else 92 printf("skipped\n"); 93 #endif 94 return 0; 95 } 96
