1/* ===-- modsi3_test.c - Test __modsi3 -------------------------------------===
2 *
3 *                     The LLVM Compiler Infrastructure
4 *
5 * This file is distributed under the University of Illinois Open Source
6 * License. See LICENSE.TXT for details.
7 *
8 * ===----------------------------------------------------------------------===
9 *
10 * This file tests __modsi3 for the compiler_rt library.
11 *
12 * ===----------------------------------------------------------------------===
13 */
14
15#include "int_lib.h"
16#include <stdio.h>
17
18/* Returns: a % b */
19
20si_int __modsi3(si_int a, si_int b);
21
22int test__modsi3(si_int a, si_int b, si_int expected) {
23    si_int x = __modsi3(a, b);
24    if (x != expected)
25        fprintf(stderr, "error in __modsi3: %d %% %d = %d, expected %d\n",
26               a, b, x, expected);
27    return x != expected;
28}
29
30int main() {
31    if (test__modsi3(0, 1, 0))
32        return 1;
33    if (test__modsi3(0, -1, 0))
34        return 1;
35
36    if (test__modsi3(5, 3, 2))
37        return 1;
38    if (test__modsi3(5, -3, 2))
39        return 1;
40    if (test__modsi3(-5, 3, -2))
41        return 1;
42    if (test__modsi3(-5, -3, -2))
43        return 1;
44
45    if (test__modsi3(0x80000000, 1, 0x0))
46        return 1;
47    if (test__modsi3(0x80000000, 2, 0x0))
48        return 1;
49    if (test__modsi3(0x80000000, -2, 0x0))
50        return 1;
51    if (test__modsi3(0x80000000, 3, -2))
52        return 1;
53    if (test__modsi3(0x80000000, -3, -2))
54        return 1;
55
56    return 0;
57}
58