1 //===-- udivmodsi4_test.c - Test __udivmodsi4 -----------------------------===//
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 __udivmodsi4 for the compiler_rt library.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "int_lib.h"
15 #include <stdio.h>
16 
17 // Returns: a / b
18 
19 extern su_int __udivmodsi4(su_int a, su_int b, su_int* rem);
20 
21 int test__udivmodsi4(su_int a, su_int b,
22 						su_int expected_result, su_int expected_rem)
23 {
24 	su_int rem;
25     su_int result = __udivmodsi4(a, b, &rem);
26     if (result != expected_result) {
27         printf("error in __udivmodsi4: %u / %u = %u, expected %u\n",
28                a, b, result, expected_result);
29 		return 1;
30 	}
31     if (rem != expected_rem) {
32         printf("error in __udivmodsi4: %u mod %u = %u, expected %u\n",
33                a, b, rem, expected_rem);
34 		return 1;
35 	}
36 
37     return 0;
38 }
39 
40 
41 int main()
42 {
43     if (test__udivmodsi4(0, 1, 0, 0))
44         return 1;
45 
46     if (test__udivmodsi4(2, 1, 2, 0))
47         return 1;
48 
49 	if (test__udivmodsi4(19, 5, 3, 4))
50         return 1;
51 
52 	if (test__udivmodsi4(0x80000000, 8, 0x10000000, 0))
53         return 1;
54 
55  	if (test__udivmodsi4(0x80000003, 8, 0x10000000, 3))
56         return 1;
57 
58 	return 0;
59 }
60