1 //===-- negvti2_test.c - Test __negvti2 -----------------------------------===// 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 __negvti2 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 20 21 // Effects: aborts if -a overflows 22 23 COMPILER_RT_ABI ti_int __negvti2(ti_int a); 24 COMPILER_RT_ABI ti_int __negti2(ti_int a); 25 26 int test__negvti2(ti_int a) 27 { 28 ti_int x = __negvti2(a); 29 ti_int expected = __negti2(a); 30 if (x != expected) 31 { 32 twords at; 33 at.all = a; 34 twords xt; 35 xt.all = x; 36 twords expectedt; 37 expectedt.all = expected; 38 printf("error in __negvti2(0x%.16llX%.16llX) = 0x%.16llX%.16llX, " 39 "expected 0x%.16llX%.16llX\n", 40 at.s.high, at.s.low, xt.s.high, xt.s.low, expectedt.s.high, expectedt.s.low); 41 } 42 return x != expected; 43 } 44 45 #endif 46 47 int main() 48 { 49 #ifdef CRT_HAS_128BIT 50 if (test__negvti2(0)) 51 return 1; 52 if (test__negvti2(1)) 53 return 1; 54 if (test__negvti2(-1)) 55 return 1; 56 if (test__negvti2(2)) 57 return 1; 58 if (test__negvti2(-2)) 59 return 1; 60 if (test__negvti2(3)) 61 return 1; 62 if (test__negvti2(-3)) 63 return 1; 64 if (test__negvti2(make_ti(0x0000000000000000LL, 0x00000000FFFFFFFELL))) 65 return 1; 66 if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000002LL))) 67 return 1; 68 if (test__negvti2(make_ti(0x0000000000000000LL, 0x00000000FFFFFFFFLL))) 69 return 1; 70 if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000001LL))) 71 return 1; 72 if (test__negvti2(make_ti(0x0000000000000000LL, 0x0000000100000000LL))) 73 return 1; 74 if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL))) 75 return 1; 76 if (test__negvti2(make_ti(0x0000000000000000LL, 0x0000000200000000LL))) 77 return 1; 78 if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL))) 79 return 1; 80 if (test__negvti2(make_ti(0x0000000000000000LL, 0x0000000300000000LL))) 81 return 1; 82 if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFD00000000LL))) 83 return 1; 84 if (test__negvti2(make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL))) 85 return 1; 86 if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000001LL))) 87 return 1; 88 if (test__negvti2(make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL))) 89 return 1; 90 if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL))) 91 return 1; 92 if (test__negvti2(make_ti(0x0000000000000000LL, 0x0000000200000000LL))) 93 return 1; 94 if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL))) 95 return 1; 96 if (test__negvti2(make_ti(0x0000000000000000LL, 0x0000000100000000LL))) 97 return 1; 98 // if (test__negvti2(make_ti(0x8000000000000000LL, 0x0000000000000000LL))) // abort 99 // return 1; 100 if (test__negvti2(make_ti(0x8000000000000000LL, 0x0000000000000001LL))) 101 return 1; 102 if (test__negvti2(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL))) 103 return 1; 104 105 #else 106 printf("skipped\n"); 107 #endif 108 return 0; 109 } 110
