1//===-- udivti3_test.c - Test __udivti3 -----------------------------------===//
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 __udivti3 for the compiler_rt library.
11//
12//===----------------------------------------------------------------------===//
13
14#if __x86_64
15
16#include "int_lib.h"
17#include <stdio.h>
18
19// Returns: a / b
20
21tu_int __udivti3(tu_int a, tu_int b);
22
23int test__udivti3(tu_int a, tu_int b, tu_int expected_q)
24{
25    tu_int q = __udivti3(a, b);
26    if (q != expected_q)
27    {
28        utwords at;
29        at.all = a;
30        utwords bt;
31        bt.all = b;
32        utwords qt;
33        qt.all = q;
34        utwords expected_qt;
35        expected_qt.all = expected_q;
36        printf("error in __udivti3: 0x%llX%.16llX / 0x%llX%.16llX = "
37               "0x%llX%.16llX, expected 0x%llX%.16llX\n",
38               at.s.high, at.s.low, bt.s.high, bt.s.low, qt.s.high, qt.s.low,
39               expected_qt.s.high, expected_qt.s.low);
40    }
41    return q != expected_q;
42}
43
44#endif
45
46int main()
47{
48#if __x86_64
49    if (test__udivti3(0, 1, 0))
50        return 1;
51    if (test__udivti3(2, 1, 2))
52        return 1;
53    if (test__udivti3(make_tu(0x8000000000000000uLL, 0), 1,
54                      make_tu(0x8000000000000000uLL, 0)))
55        return 1;
56    if (test__udivti3(make_tu(0x8000000000000000uLL, 0), 2,
57                      make_tu(0x4000000000000000uLL, 0)))
58        return 1;
59    if (test__udivti3(make_tu(0xFFFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFFuLL), 2,
60                      make_tu(0x7FFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFFuLL)))
61        return 1;
62
63#endif
64    return 0;
65}
66