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1 | //===-- negdi2_test.c - Test __negdi2 -------------------------------------===// |
2 | // | |
3 | // The LLVM Compiler Infrastructure | |
4 | // | |
5 | // This file is dual licensed under the MIT and the University of Illinois Open | |
6 | // Source Licenses. See LICENSE.TXT for details. | |
7 | // | |
8 | //===----------------------------------------------------------------------===// | |
9 | // | |
10 | // This file tests __negdi2 for the compiler_rt library. | |
11 | // | |
12 | //===----------------------------------------------------------------------===// | |
13 | ||
14 | #include "int_lib.h" | |
15 | #include <stdio.h> | |
16 | ||
17 | // Returns: -a | |
18 | ||
92a42be0 | 19 | COMPILER_RT_ABI di_int __negdi2(di_int a); |
1a4d82fc JJ |
20 | |
21 | int test__negdi2(di_int a, di_int expected) | |
22 | { | |
23 | di_int x = __negdi2(a); | |
24 | if (x != expected) | |
25 | printf("error in __negdi2: -0x%llX = 0x%llX, expected 0x%llX\n", | |
26 | a, x, expected); | |
27 | return x != expected; | |
28 | } | |
29 | ||
30 | char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0}; | |
31 | ||
32 | int main() | |
33 | { | |
34 | if (test__negdi2(0, 0)) | |
35 | return 1; | |
36 | if (test__negdi2(1, -1)) | |
37 | return 1; | |
38 | if (test__negdi2(-1, 1)) | |
39 | return 1; | |
40 | if (test__negdi2(2, -2)) | |
41 | return 1; | |
42 | if (test__negdi2(-2, 2)) | |
43 | return 1; | |
44 | if (test__negdi2(3, -3)) | |
45 | return 1; | |
46 | if (test__negdi2(-3, 3)) | |
47 | return 1; | |
48 | if (test__negdi2(0x00000000FFFFFFFELL, 0xFFFFFFFF00000002LL)) | |
49 | return 1; | |
50 | if (test__negdi2(0xFFFFFFFF00000002LL, 0x00000000FFFFFFFELL)) | |
51 | return 1; | |
52 | if (test__negdi2(0x00000000FFFFFFFFLL, 0xFFFFFFFF00000001LL)) | |
53 | return 1; | |
54 | if (test__negdi2(0xFFFFFFFF00000001LL, 0x00000000FFFFFFFFLL)) | |
55 | return 1; | |
56 | if (test__negdi2(0x0000000100000000LL, 0xFFFFFFFF00000000LL)) | |
57 | return 1; | |
58 | if (test__negdi2(0xFFFFFFFF00000000LL, 0x0000000100000000LL)) | |
59 | return 1; | |
60 | if (test__negdi2(0x0000000200000000LL, 0xFFFFFFFE00000000LL)) | |
61 | return 1; | |
62 | if (test__negdi2(0xFFFFFFFE00000000LL, 0x0000000200000000LL)) | |
63 | return 1; | |
64 | if (test__negdi2(0x0000000300000000LL, 0xFFFFFFFD00000000LL)) | |
65 | return 1; | |
66 | if (test__negdi2(0xFFFFFFFD00000000LL, 0x0000000300000000LL)) | |
67 | return 1; | |
68 | if (test__negdi2(0x8000000000000000LL, 0x8000000000000000LL)) | |
69 | return 1; | |
70 | if (test__negdi2(0x8000000000000001LL, 0x7FFFFFFFFFFFFFFFLL)) | |
71 | return 1; | |
72 | if (test__negdi2(0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL)) | |
73 | return 1; | |
74 | if (test__negdi2(0xFFFFFFFE00000000LL, 0x0000000200000000LL)) | |
75 | return 1; | |
76 | if (test__negdi2(0x0000000200000000LL, 0xFFFFFFFE00000000LL)) | |
77 | return 1; | |
78 | if (test__negdi2(0xFFFFFFFF00000000LL, 0x0000000100000000LL)) | |
79 | return 1; | |
80 | if (test__negdi2(0x0000000100000000LL, 0xFFFFFFFF00000000LL)) | |
81 | return 1; | |
82 | ||
83 | return 0; | |
84 | } |