| 1 | // RUN: %clang_builtins %s %librt -o %t && %run %t |
| 2 | // REQUIRES: librt_has_umodti3 |
| 3 | // REQUIRES: int128 |
| 4 | |
| 5 | #include "int_lib.h" |
| 6 | #include <stdio.h> |
| 7 | |
| 8 | #ifdef CRT_HAS_128BIT |
| 9 | |
| 10 | // Returns: a % b |
| 11 | |
| 12 | COMPILER_RT_ABI tu_int __umodti3(tu_int a, tu_int b); |
| 13 | |
| 14 | int test__umodti3(tu_int a, tu_int b, tu_int expected_r) |
| 15 | { |
| 16 | tu_int r = __umodti3(a, b); |
| 17 | if (r != expected_r) |
| 18 | { |
| 19 | utwords at; |
| 20 | at.all = a; |
| 21 | utwords bt; |
| 22 | bt.all = b; |
| 23 | utwords rt; |
| 24 | rt.all = r; |
| 25 | utwords expected_rt; |
| 26 | expected_rt.all = expected_r; |
| 27 | printf(format: "error in __umodti3: 0x%llX%.16llX %% 0x%llX%.16llX = " |
| 28 | "0x%llX%.16llX, expected 0x%llX%.16llX\n" , |
| 29 | at.s.high, at.s.low, bt.s.high, bt.s.low, rt.s.high, rt.s.low, |
| 30 | expected_rt.s.high, expected_rt.s.low); |
| 31 | } |
| 32 | return r != expected_r; |
| 33 | } |
| 34 | |
| 35 | #endif |
| 36 | |
| 37 | int main() |
| 38 | { |
| 39 | #ifdef CRT_HAS_128BIT |
| 40 | if (test__umodti3(a: 0, b: 1, expected_r: 0)) |
| 41 | return 1; |
| 42 | if (test__umodti3(a: 2, b: 1, expected_r: 0)) |
| 43 | return 1; |
| 44 | if (test__umodti3(a: make_tu(h: 0x8000000000000000uLL, l: 0), b: 1, expected_r: 0x0uLL)) |
| 45 | return 1; |
| 46 | if (test__umodti3(a: make_tu(h: 0x8000000000000000uLL, l: 0), b: 2, expected_r: 0x0uLL)) |
| 47 | return 1; |
| 48 | if (test__umodti3(a: make_tu(h: 0xFFFFFFFFFFFFFFFFuLL, l: 0xFFFFFFFFFFFFFFFFuLL), |
| 49 | b: 2, expected_r: 0x1uLL)) |
| 50 | return 1; |
| 51 | |
| 52 | #else |
| 53 | printf("skipped\n" ); |
| 54 | #endif |
| 55 | return 0; |
| 56 | } |
| 57 | |