1 //===-- umodti3_test.c - Test __umodti3 -----------------------------------===//
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 __umodti3 for the compiler_rt library.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "int_lib.h"
15 #include <stdio.h>
16
17 #ifdef CRT_HAS_128BIT
18
19 // Returns: a % b
20
21 tu_int __umodti3(tu_int a, tu_int b);
22
test__umodti3(tu_int a,tu_int b,tu_int expected_r)23 int test__umodti3(tu_int a, tu_int b, tu_int expected_r)
24 {
25 tu_int r = __umodti3(a, b);
26 if (r != expected_r)
27 {
28 utwords at;
29 at.all = a;
30 utwords bt;
31 bt.all = b;
32 utwords rt;
33 rt.all = r;
34 utwords expected_rt;
35 expected_rt.all = expected_r;
36 printf("error in __umodti3: 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, rt.s.high, rt.s.low,
39 expected_rt.s.high, expected_rt.s.low);
40 }
41 return r != expected_r;
42 }
43
44 #endif
45
main()46 int main()
47 {
48 #ifdef CRT_HAS_128BIT
49 if (test__umodti3(0, 1, 0))
50 return 1;
51 if (test__umodti3(2, 1, 0))
52 return 1;
53 if (test__umodti3(make_tu(0x8000000000000000uLL, 0), 1, 0x0uLL))
54 return 1;
55 if (test__umodti3(make_tu(0x8000000000000000uLL, 0), 2, 0x0uLL))
56 return 1;
57 if (test__umodti3(make_tu(0xFFFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFFuLL),
58 2, 0x1uLL))
59 return 1;
60
61 #else
62 printf("skipped\n");
63 #endif
64 return 0;
65 }
66