1 //===-- ucmpti2_test.c - Test __ucmpti2 -----------------------------------===//
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 __ucmpti2 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: if (a < b) returns 0
20 // if (a == b) returns 1
21 // if (a > b) returns 2
22
23 si_int __ucmpti2(tu_int a, tu_int b);
24
test__ucmpti2(tu_int a,tu_int b,si_int expected)25 int 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
main()43 int main()
44 {
45 #ifdef CRT_HAS_128BIT
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 #else
113 printf("skipped\n");
114 #endif
115 return 0;
116 }
117