1 //===-- addvti3_test.c - Test __addvti3 -----------------------------------===// 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 __addvti3 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 // Effects: aborts if a + b overflows 22 23 COMPILER_RT_ABI ti_int __addvti3(ti_int a, ti_int b); 24 25 int test__addvti3(ti_int a, ti_int b) 26 { 27 ti_int x = __addvti3(a, b); 28 ti_int expected = a + b; 29 if (x != expected) 30 { 31 twords at; 32 at.all = a; 33 twords bt; 34 bt.all = b; 35 twords xt; 36 xt.all = x; 37 twords expectedt; 38 expectedt.all = expected; 39 printf("error in test__addvti3(0x%llX%.16llX, 0x%llX%.16llX) = " 40 "0x%llX%.16llX, expected 0x%llX%.16llX\n", 41 at.s.high, at.s.low, bt.s.high, bt.s.low, xt.s.high, xt.s.low, 42 expectedt.s.high, expectedt.s.low); 43 } 44 return x != expected; 45 } 46 47 #endif 48 49 int main() 50 { 51 #ifdef CRT_HAS_128BIT 52 // should abort 53 // test__addvti3(make_ti(0x8000000000000000LL, 0x0000000000000000LL), 54 // make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL)); 55 // should abort 56 // test__addvti3(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), 57 // make_ti(0x8000000000000000LL, 0x0000000000000000LL)); 58 // should abort 59 // test__addvti3(make_ti(0x0000000000000000LL, 0x0000000000000001LL), 60 // make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL)); 61 // should abort 62 // test__addvti3(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), 63 // make_ti(0x0000000000000000LL, 0x0000000000000001LL)); 64 65 if (test__addvti3(make_ti(0x8000000000000000LL, 0x0000000000000000LL), 66 make_ti(0x0000000000000000LL, 0x0000000000000001LL))) 67 return 1; 68 if (test__addvti3(make_ti(0x0000000000000000LL, 0x0000000000000001LL), 69 make_ti(0x8000000000000000LL, 0x0000000000000000LL))) 70 return 1; 71 if (test__addvti3(make_ti(0x8000000000000000LL, 0x0000000000000000LL), 72 make_ti(0x0000000000000000LL, 0x0000000000000000LL))) 73 return 1; 74 if (test__addvti3(make_ti(0x0000000000000000LL, 0x0000000000000000LL), 75 make_ti(0x8000000000000000LL, 0x0000000000000000LL))) 76 return 1; 77 if (test__addvti3(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), 78 make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL))) 79 return 1; 80 if (test__addvti3(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), 81 make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL))) 82 return 1; 83 if (test__addvti3(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), 84 make_ti(0x0000000000000000LL, 0x0000000000000000LL))) 85 return 1; 86 if (test__addvti3(make_ti(0x0000000000000000LL, 0x0000000000000000LL), 87 make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL))) 88 return 1; 89 90 #else 91 printf("skipped\n"); 92 #endif 93 return 0; 94 } 95
