1 //===-- umodti3_test.c - Test __umodti3 -----------------------------------===// 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 __umodti3 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 tu_int __umodti3(tu_int a, tu_int b); 22 23 int test__umodti3(tu_int a, tu_int b, tu_int expected_r) 24 { 25 tu_int r = __umodti3(a, b); 26 if (r != expected_r) 27 { 28 utwords at; 29 at.all = a; 30 utwords bt; 31 bt.all = b; 32 utwords rt; 33 rt.all = r; 34 utwords expected_rt; 35 expected_rt.all = expected_r; 36 printf("error in __umodti3: 0x%llX%.16llX %% 0x%llX%.16llX = " 37 "0x%llX%.16llX, expected 0x%llX%.16llX\n", 38 at.s.high, at.s.low, bt.s.high, bt.s.low, rt.s.high, rt.s.low, 39 expected_rt.s.high, expected_rt.s.low); 40 } 41 return r != expected_r; 42 } 43 44 #endif 45 46 int main() 47 { 48 #ifdef CRT_HAS_128BIT 49 if (test__umodti3(0, 1, 0)) 50 return 1; 51 if (test__umodti3(2, 1, 0)) 52 return 1; 53 if (test__umodti3(make_tu(0x8000000000000000uLL, 0), 1, 0x0uLL)) 54 return 1; 55 if (test__umodti3(make_tu(0x8000000000000000uLL, 0), 2, 0x0uLL)) 56 return 1; 57 if (test__umodti3(make_tu(0xFFFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFFuLL), 58 2, 0x1uLL)) 59 return 1; 60 61 #else 62 printf("skipped\n"); 63 #endif 64 return 0; 65 } 66
