1 //===-- divsi3_test.c - Test __divsi3 -------------------------------------===// 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 __divsi3 for the compiler_rt library. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "int_lib.h" 15 #include <stdio.h> 16 17 // Returns: a / b 18 19 si_int __divsi3(si_int a, si_int b); 20 21 int test__divsi3(si_int a, si_int b, si_int expected) 22 { 23 si_int x = __divsi3(a, b); 24 if (x != expected) 25 printf("error in __divsi3: %d / %d = %d, expected %d\n", 26 a, b, x, expected); 27 return x != expected; 28 } 29 30 int main() 31 { 32 if (test__divsi3(0, 1, 0)) 33 return 1; 34 if (test__divsi3(0, -1, 0)) 35 return 1; 36 37 if (test__divsi3(2, 1, 2)) 38 return 1; 39 if (test__divsi3(2, -1, -2)) 40 return 1; 41 if (test__divsi3(-2, 1, -2)) 42 return 1; 43 if (test__divsi3(-2, -1, 2)) 44 return 1; 45 46 if (test__divsi3(0x80000000, 1, 0x80000000)) 47 return 1; 48 if (test__divsi3(0x80000000, -1, 0x80000000)) 49 return 1; 50 if (test__divsi3(0x80000000, -2, 0x40000000)) 51 return 1; 52 if (test__divsi3(0x80000000, 2, 0xC0000000)) 53 return 1; 54 55 return 0; 56 } 57
