1// REQUIRES-ANY: arm-target-arch,armv6m-target-arch
2// RUN: %clang_builtins %s %librt -o %t && %run %t
3//===-- aeabi_uidivmod_test.c - Test __aeabi_uidivmod ---------------------===//
4//
5// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
6// See https://llvm.org/LICENSE.txt for license information.
7// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
8//
9//===----------------------------------------------------------------------===//
10//
11// This file tests __aeabi_uidivmod for the compiler_rt library.
12//
13//===----------------------------------------------------------------------===//
14
15#include "int_lib.h"
16#include <stdio.h>
17
18#if __arm__
19// Based on udivmodsi4_test.c
20
21extern du_int __aeabi_uidivmod(su_int a, su_int b);
22
23int test__aeabi_uidivmod(su_int a, su_int b,
24						su_int expected_result, su_int expected_rem)
25{
26    du_int ret = __aeabi_uidivmod(a, b);
27    su_int rem = ret >> 32;
28    si_int result = ret & 0xFFFFFFFF;
29
30    if (result != expected_result) {
31        printf("error in __aeabi_uidivmod: %u / %u = %u, expected %u\n",
32               a, b, result, expected_result);
33		return 1;
34	}
35    if (rem != expected_rem) {
36        printf("error in __aeabi_uidivmod: %u mod %u = %u, expected %u\n",
37               a, b, rem, expected_rem);
38		return 1;
39	}
40
41    return 0;
42}
43#endif
44
45
46int main()
47{
48#if __arm__
49    if (test__aeabi_uidivmod(0, 1, 0, 0))
50        return 1;
51
52    if (test__aeabi_uidivmod(2, 1, 2, 0))
53        return 1;
54
55	if (test__aeabi_uidivmod(19, 5, 3, 4))
56        return 1;
57
58	if (test__aeabi_uidivmod(0x80000000, 8, 0x10000000, 0))
59        return 1;
60
61 	if (test__aeabi_uidivmod(0x80000003, 8, 0x10000000, 3))
62        return 1;
63#else
64    printf("skipped\n");
65#endif
66
67	return 0;
68}
69