1 | // RUN: %clang_builtins %s %librt -o %t && %run %t |
2 | // REQUIRES: librt_has_divsi3 |
3 | |
4 | #include "int_lib.h" |
5 | #include <stdio.h> |
6 | |
7 | // Returns: a / b |
8 | |
9 | COMPILER_RT_ABI si_int __divsi3(si_int a, si_int b); |
10 | |
11 | int test__divsi3(si_int a, si_int b, si_int expected) |
12 | { |
13 | si_int x = __divsi3(a, b); |
14 | if (x != expected) |
15 | printf(format: "error in __divsi3: %d / %d = %d, expected %d\n" , |
16 | a, b, x, expected); |
17 | return x != expected; |
18 | } |
19 | |
20 | int main() |
21 | { |
22 | if (test__divsi3(a: 0, b: 1, expected: 0)) |
23 | return 1; |
24 | if (test__divsi3(a: 0, b: -1, expected: 0)) |
25 | return 1; |
26 | |
27 | if (test__divsi3(a: 2, b: 1, expected: 2)) |
28 | return 1; |
29 | if (test__divsi3(a: 2, b: -1, expected: -2)) |
30 | return 1; |
31 | if (test__divsi3(a: -2, b: 1, expected: -2)) |
32 | return 1; |
33 | if (test__divsi3(a: -2, b: -1, expected: 2)) |
34 | return 1; |
35 | |
36 | if (test__divsi3(a: 0x80000000, b: 1, expected: 0x80000000)) |
37 | return 1; |
38 | if (test__divsi3(a: 0x80000000, b: -1, expected: 0x80000000)) |
39 | return 1; |
40 | if (test__divsi3(a: 0x80000000, b: -2, expected: 0x40000000)) |
41 | return 1; |
42 | if (test__divsi3(a: 0x80000000, b: 2, expected: 0xC0000000)) |
43 | return 1; |
44 | |
45 | return 0; |
46 | } |
47 | |