1 //===-- udivti3_test.c - Test __udivti3 -----------------------------------===//
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 __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
21 tu_int __udivti3(tu_int a, tu_int b);
22
test__udivti3(tu_int a,tu_int b,tu_int expected_q)23 int 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
main()46 int 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 #else
64 printf("skipped\n");
65 #endif
66 return 0;
67 }
68