| //===-- umodti3_test.c - Test __umodti3 -----------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file tests __umodti3 for the compiler_rt library. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "int_lib.h" |
| #include <stdio.h> |
| |
| #ifdef CRT_HAS_128BIT |
| |
| // Returns: a % b |
| |
| COMPILER_RT_ABI tu_int __umodti3(tu_int a, tu_int b); |
| |
| int test__umodti3(tu_int a, tu_int b, tu_int expected_r) |
| { |
| tu_int r = __umodti3(a, b); |
| if (r != expected_r) |
| { |
| utwords at; |
| at.all = a; |
| utwords bt; |
| bt.all = b; |
| utwords rt; |
| rt.all = r; |
| utwords expected_rt; |
| expected_rt.all = expected_r; |
| printf("error in __umodti3: 0x%llX%.16llX %% 0x%llX%.16llX = " |
| "0x%llX%.16llX, expected 0x%llX%.16llX\n", |
| at.s.high, at.s.low, bt.s.high, bt.s.low, rt.s.high, rt.s.low, |
| expected_rt.s.high, expected_rt.s.low); |
| } |
| return r != expected_r; |
| } |
| |
| #endif |
| |
| int main() |
| { |
| #ifdef CRT_HAS_128BIT |
| if (test__umodti3(0, 1, 0)) |
| return 1; |
| if (test__umodti3(2, 1, 0)) |
| return 1; |
| if (test__umodti3(make_tu(0x8000000000000000uLL, 0), 1, 0x0uLL)) |
| return 1; |
| if (test__umodti3(make_tu(0x8000000000000000uLL, 0), 2, 0x0uLL)) |
| return 1; |
| if (test__umodti3(make_tu(0xFFFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFFuLL), |
| 2, 0x1uLL)) |
| return 1; |
| |
| #else |
| printf("skipped\n"); |
| #endif |
| return 0; |
| } |
