1 | // RUN: %clang_builtins %s %librt -o %t && %run %t |
2 | // REQUIRES: librt_has_udivdi3 |
3 | |
4 | #include "int_lib.h" |
5 | #include <stdio.h> |
6 | |
7 | // Returns: a / b |
8 | |
9 | COMPILER_RT_ABI du_int __udivdi3(du_int a, du_int b); |
10 | |
11 | int test__udivdi3(du_int a, du_int b, du_int expected_q) |
12 | { |
13 | du_int q = __udivdi3(a, b); |
14 | if (q != expected_q) |
15 | printf(format: "error in __udivdi3: %lld / %lld = %lld, expected %lld\n" , |
16 | a, b, q, expected_q); |
17 | return q != expected_q; |
18 | } |
19 | |
20 | int main() |
21 | { |
22 | if (test__udivdi3(a: 0, b: 1, expected_q: 0)) |
23 | return 1; |
24 | if (test__udivdi3(a: 2, b: 1, expected_q: 2)) |
25 | return 1; |
26 | if (test__udivdi3(a: 0x8000000000000000uLL, b: 1, expected_q: 0x8000000000000000uLL)) |
27 | return 1; |
28 | if (test__udivdi3(a: 0x8000000000000000uLL, b: 2, expected_q: 0x4000000000000000uLL)) |
29 | return 1; |
30 | if (test__udivdi3(a: 0xFFFFFFFFFFFFFFFFuLL, b: 2, expected_q: 0x7FFFFFFFFFFFFFFFuLL)) |
31 | return 1; |
32 | |
33 | return 0; |
34 | } |
35 | |