1 | // RUN: %clang_builtins %s %librt -o %t && %run %t |
2 | // REQUIRES: librt_has_negdi2 |
3 | |
4 | #include "int_lib.h" |
5 | #include <stdio.h> |
6 | |
7 | // Returns: -a |
8 | |
9 | COMPILER_RT_ABI di_int __negdi2(di_int a); |
10 | |
11 | int test__negdi2(di_int a, di_int expected) |
12 | { |
13 | di_int x = __negdi2(a); |
14 | if (x != expected) |
15 | printf(format: "error in __negdi2: -0x%llX = 0x%llX, expected 0x%llX\n" , |
16 | a, x, expected); |
17 | return x != expected; |
18 | } |
19 | |
20 | char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0}; |
21 | |
22 | int main() |
23 | { |
24 | if (test__negdi2(a: 0, expected: 0)) |
25 | return 1; |
26 | if (test__negdi2(a: 1, expected: -1)) |
27 | return 1; |
28 | if (test__negdi2(a: -1, expected: 1)) |
29 | return 1; |
30 | if (test__negdi2(a: 2, expected: -2)) |
31 | return 1; |
32 | if (test__negdi2(a: -2, expected: 2)) |
33 | return 1; |
34 | if (test__negdi2(a: 3, expected: -3)) |
35 | return 1; |
36 | if (test__negdi2(a: -3, expected: 3)) |
37 | return 1; |
38 | if (test__negdi2(a: 0x00000000FFFFFFFELL, expected: 0xFFFFFFFF00000002LL)) |
39 | return 1; |
40 | if (test__negdi2(a: 0xFFFFFFFF00000002LL, expected: 0x00000000FFFFFFFELL)) |
41 | return 1; |
42 | if (test__negdi2(a: 0x00000000FFFFFFFFLL, expected: 0xFFFFFFFF00000001LL)) |
43 | return 1; |
44 | if (test__negdi2(a: 0xFFFFFFFF00000001LL, expected: 0x00000000FFFFFFFFLL)) |
45 | return 1; |
46 | if (test__negdi2(a: 0x0000000100000000LL, expected: 0xFFFFFFFF00000000LL)) |
47 | return 1; |
48 | if (test__negdi2(a: 0xFFFFFFFF00000000LL, expected: 0x0000000100000000LL)) |
49 | return 1; |
50 | if (test__negdi2(a: 0x0000000200000000LL, expected: 0xFFFFFFFE00000000LL)) |
51 | return 1; |
52 | if (test__negdi2(a: 0xFFFFFFFE00000000LL, expected: 0x0000000200000000LL)) |
53 | return 1; |
54 | if (test__negdi2(a: 0x0000000300000000LL, expected: 0xFFFFFFFD00000000LL)) |
55 | return 1; |
56 | if (test__negdi2(a: 0xFFFFFFFD00000000LL, expected: 0x0000000300000000LL)) |
57 | return 1; |
58 | if (test__negdi2(a: 0x8000000000000000LL, expected: 0x8000000000000000LL)) |
59 | return 1; |
60 | if (test__negdi2(a: 0x8000000000000001LL, expected: 0x7FFFFFFFFFFFFFFFLL)) |
61 | return 1; |
62 | if (test__negdi2(a: 0x7FFFFFFFFFFFFFFFLL, expected: 0x8000000000000001LL)) |
63 | return 1; |
64 | if (test__negdi2(a: 0xFFFFFFFE00000000LL, expected: 0x0000000200000000LL)) |
65 | return 1; |
66 | if (test__negdi2(a: 0x0000000200000000LL, expected: 0xFFFFFFFE00000000LL)) |
67 | return 1; |
68 | if (test__negdi2(a: 0xFFFFFFFF00000000LL, expected: 0x0000000100000000LL)) |
69 | return 1; |
70 | if (test__negdi2(a: 0x0000000100000000LL, expected: 0xFFFFFFFF00000000LL)) |
71 | return 1; |
72 | |
73 | return 0; |
74 | } |
75 | |