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Daniel Dunbarfd089992009-06-26 16:47:03 +00001//===-- umodti3_test.c - Test __umodti3 -----------------------------------===//
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 __umodti3 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 __umodti3(tu_int a, tu_int b);
22
23int 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.high, at.low, bt.high, bt.low, rt.high, rt.low,
39 expected_rt.high, expected_rt.low);
40 }
41 return r != expected_r;
42}
43
44#endif
45
46int main()
47{
48#if __x86_64
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#endif
62 return 0;
63}