1//===-- ucmpti2_test.c - Test __ucmpti2 -----------------------------------===//
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 __ucmpti2 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:  if (a <  b) returns 0
20//           if (a == b) returns 1
21//           if (a >  b) returns 2
22
23si_int __ucmpti2(tu_int a, tu_int b);
24
25int test__ucmpti2(tu_int a, tu_int b, si_int expected)
26{
27    si_int x = __ucmpti2(a, b);
28    if (x != expected)
29    {
30        utwords at;
31        at.all = a;
32        utwords bt;
33        bt.all = b;
34        printf("error in __ucmpti2(0x%.16llX%.16llX, 0x%.16llX%.16llX) = %d, "
35               "expected %d\n",
36               at.s.high, at.s.low, bt.s.high, bt.s.low, x, expected);
37    }
38    return x != expected;
39}
40
41#endif
42
43int main()
44{
45#if __x86_64
46    if (test__ucmpti2(0, 0, 1))
47        return 1;
48    if (test__ucmpti2(1, 1, 1))
49        return 1;
50    if (test__ucmpti2(2, 2, 1))
51        return 1;
52    if (test__ucmpti2(0x7FFFFFFF, 0x7FFFFFFF, 1))
53        return 1;
54    if (test__ucmpti2(0x80000000, 0x80000000, 1))
55        return 1;
56    if (test__ucmpti2(0x80000001, 0x80000001, 1))
57        return 1;
58    if (test__ucmpti2(0xFFFFFFFF, 0xFFFFFFFF, 1))
59        return 1;
60    if (test__ucmpti2(0x000000010000000LL, 0x000000010000000LL, 1))
61        return 1;
62    if (test__ucmpti2(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL, 1))
63        return 1;
64
65    if (test__ucmpti2(0x0000000200000002LL, 0x0000000300000001LL, 0))
66        return 1;
67    if (test__ucmpti2(0x0000000200000002LL, 0x0000000300000002LL, 0))
68        return 1;
69    if (test__ucmpti2(0x0000000200000002LL, 0x0000000300000003LL, 0))
70        return 1;
71
72    if (test__ucmpti2(0x0000000200000002LL, 0x0000000100000001LL, 2))
73        return 1;
74    if (test__ucmpti2(0x0000000200000002LL, 0x0000000100000002LL, 2))
75        return 1;
76    if (test__ucmpti2(0x0000000200000002LL, 0x0000000100000003LL, 2))
77        return 1;
78
79    if (test__ucmpti2(0x0000000200000002LL, 0x0000000200000001LL, 2))
80        return 1;
81    if (test__ucmpti2(0x0000000200000002LL, 0x0000000200000002LL, 1))
82        return 1;
83    if (test__ucmpti2(0x0000000200000002LL, 0x0000000200000003LL, 0))
84        return 1;
85
86    if (test__ucmpti2(make_tu(0x0000000000000001uLL, 0x0000000000000000uLL),
87                      make_tu(0x0000000000000000uLL, 0xFFFFFFFFFFFFFFFFuLL), 2))
88        return 1;
89    if (test__ucmpti2(make_tu(0x0000000000000001uLL, 0x0000000000000000uLL),
90                      make_tu(0x0000000000000001uLL, 0x0000000000000000uLL), 1))
91        return 1;
92    if (test__ucmpti2(make_tu(0x0000000000000001uLL, 0x0000000000000000uLL),
93                      make_tu(0x0000000000000001uLL, 0x0000000000000001uLL), 0))
94        return 1;
95
96    if (test__ucmpti2(make_tu(0x8000000000000000uLL, 0x0000000000000000uLL),
97                      make_tu(0x7FFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFFuLL), 2))
98        return 1;
99    if (test__ucmpti2(make_tu(0x8000000000000000uLL, 0x0000000000000000uLL),
100                      make_tu(0x8000000000000000uLL, 0x0000000000000000uLL), 1))
101        return 1;
102    if (test__ucmpti2(make_tu(0x8000000000000000uLL, 0x0000000000000000uLL),
103                      make_tu(0x8000000000000000uLL, 0x0000000000000001uLL), 0))
104        return 1;
105
106    if (test__ucmpti2(make_tu(0xFFFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFFuLL),
107                      make_tu(0xFFFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFEuLL), 2))
108        return 1;
109    if (test__ucmpti2(make_tu(0xFFFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFFuLL),
110                      make_tu(0xFFFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFFuLL), 1))
111        return 1;
112#endif
113   return 0;
114}
115