1 //===-- negdi2_test.c - Test __negdi2 -------------------------------------===// 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 __negdi2 for the compiler_rt library. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "int_lib.h" 15 #include <stdio.h> 16 17 // Returns: -a 18 19 di_int __negdi2(di_int a); 20 21 int test__negdi2(di_int a, di_int expected) 22 { 23 di_int x = __negdi2(a); 24 if (x != expected) 25 printf("error in __negdi2: -0x%llX = 0x%llX, expected 0x%llX\n", 26 a, x, expected); 27 return x != expected; 28 } 29 30 char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0}; 31 32 int main() 33 { 34 if (test__negdi2(0, 0)) 35 return 1; 36 if (test__negdi2(1, -1)) 37 return 1; 38 if (test__negdi2(-1, 1)) 39 return 1; 40 if (test__negdi2(2, -2)) 41 return 1; 42 if (test__negdi2(-2, 2)) 43 return 1; 44 if (test__negdi2(3, -3)) 45 return 1; 46 if (test__negdi2(-3, 3)) 47 return 1; 48 if (test__negdi2(0x00000000FFFFFFFELL, 0xFFFFFFFF00000002LL)) 49 return 1; 50 if (test__negdi2(0xFFFFFFFF00000002LL, 0x00000000FFFFFFFELL)) 51 return 1; 52 if (test__negdi2(0x00000000FFFFFFFFLL, 0xFFFFFFFF00000001LL)) 53 return 1; 54 if (test__negdi2(0xFFFFFFFF00000001LL, 0x00000000FFFFFFFFLL)) 55 return 1; 56 if (test__negdi2(0x0000000100000000LL, 0xFFFFFFFF00000000LL)) 57 return 1; 58 if (test__negdi2(0xFFFFFFFF00000000LL, 0x0000000100000000LL)) 59 return 1; 60 if (test__negdi2(0x0000000200000000LL, 0xFFFFFFFE00000000LL)) 61 return 1; 62 if (test__negdi2(0xFFFFFFFE00000000LL, 0x0000000200000000LL)) 63 return 1; 64 if (test__negdi2(0x0000000300000000LL, 0xFFFFFFFD00000000LL)) 65 return 1; 66 if (test__negdi2(0xFFFFFFFD00000000LL, 0x0000000300000000LL)) 67 return 1; 68 if (test__negdi2(0x8000000000000000LL, 0x8000000000000000LL)) 69 return 1; 70 if (test__negdi2(0x8000000000000001LL, 0x7FFFFFFFFFFFFFFFLL)) 71 return 1; 72 if (test__negdi2(0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL)) 73 return 1; 74 if (test__negdi2(0xFFFFFFFE00000000LL, 0x0000000200000000LL)) 75 return 1; 76 if (test__negdi2(0x0000000200000000LL, 0xFFFFFFFE00000000LL)) 77 return 1; 78 if (test__negdi2(0xFFFFFFFF00000000LL, 0x0000000100000000LL)) 79 return 1; 80 if (test__negdi2(0x0000000100000000LL, 0xFFFFFFFF00000000LL)) 81 return 1; 82 83 return 0; 84 } 85
