1// REQUIRES: arm-target-arch || armv6m-target-arch
2// RUN: %clang_builtins %s %librt -o %t && %run %t
3
4#include "int_lib.h"
5#include <stdio.h>
6
7#if __arm__
8// Based on udivmodsi4_test.c
9
10extern du_int __aeabi_uidivmod(su_int a, su_int b);
11
12int test__aeabi_uidivmod(su_int a, su_int b,
13 su_int expected_result, su_int expected_rem)
14{
15 du_int ret = __aeabi_uidivmod(a, b);
16 su_int rem = ret >> 32;
17 si_int result = ret & 0xFFFFFFFF;
18
19 if (result != expected_result) {
20 printf("error in __aeabi_uidivmod: %u / %u = %u, expected %u\n",
21 a, b, result, expected_result);
22 return 1;
23 }
24 if (rem != expected_rem) {
25 printf("error in __aeabi_uidivmod: %u mod %u = %u, expected %u\n",
26 a, b, rem, expected_rem);
27 return 1;
28 }
29
30 return 0;
31}
32#endif
33
34
35int main()
36{
37#if __arm__
38 if (test__aeabi_uidivmod(0, 1, 0, 0))
39 return 1;
40
41 if (test__aeabi_uidivmod(2, 1, 2, 0))
42 return 1;
43
44 if (test__aeabi_uidivmod(19, 5, 3, 4))
45 return 1;
46
47 if (test__aeabi_uidivmod(0x80000000, 8, 0x10000000, 0))
48 return 1;
49
50 if (test__aeabi_uidivmod(0x80000003, 8, 0x10000000, 3))
51 return 1;
52#else
53 printf(format: "skipped\n");
54#endif
55
56 return 0;
57}
58

source code of compiler-rt/test/builtins/Unit/arm/aeabi_uidivmod_test.c