1 //===-- ucmpdi2_test.c - Test __ucmpdi2 -----------------------------------===//
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 __ucmpdi2 for the compiler_rt library.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "int_lib.h"
15 #include <stdio.h>
16
17 // Returns: if (a < b) returns 0
18 // if (a == b) returns 1
19 // if (a > b) returns 2
20
21 si_int __ucmpdi2(du_int a, du_int b);
22
test__ucmpdi2(du_int a,du_int b,si_int expected)23 int test__ucmpdi2(du_int a, du_int b, si_int expected)
24 {
25 si_int x = __ucmpdi2(a, b);
26 if (x != expected)
27 printf("error in __ucmpdi2(0x%llX, 0x%llX) = %d, expected %d\n",
28 a, b, x, expected);
29 return x != expected;
30 }
31
main()32 int main()
33 {
34 if (test__ucmpdi2(0, 0, 1))
35 return 1;
36 if (test__ucmpdi2(1, 1, 1))
37 return 1;
38 if (test__ucmpdi2(2, 2, 1))
39 return 1;
40 if (test__ucmpdi2(0x7FFFFFFF, 0x7FFFFFFF, 1))
41 return 1;
42 if (test__ucmpdi2(0x80000000, 0x80000000, 1))
43 return 1;
44 if (test__ucmpdi2(0x80000001, 0x80000001, 1))
45 return 1;
46 if (test__ucmpdi2(0xFFFFFFFF, 0xFFFFFFFF, 1))
47 return 1;
48 if (test__ucmpdi2(0x000000010000000LL, 0x000000010000000LL, 1))
49 return 1;
50 if (test__ucmpdi2(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL, 1))
51 return 1;
52
53 if (test__ucmpdi2(0x0000000200000002LL, 0x0000000300000001LL, 0))
54 return 1;
55 if (test__ucmpdi2(0x0000000200000002LL, 0x0000000300000002LL, 0))
56 return 1;
57 if (test__ucmpdi2(0x0000000200000002LL, 0x0000000300000003LL, 0))
58 return 1;
59
60 if (test__ucmpdi2(0x0000000200000002LL, 0x0000000100000001LL, 2))
61 return 1;
62 if (test__ucmpdi2(0x0000000200000002LL, 0x0000000100000002LL, 2))
63 return 1;
64 if (test__ucmpdi2(0x0000000200000002LL, 0x0000000100000003LL, 2))
65 return 1;
66
67 if (test__ucmpdi2(0x0000000200000002LL, 0x0000000200000001LL, 2))
68 return 1;
69 if (test__ucmpdi2(0x0000000200000002LL, 0x0000000200000002LL, 1))
70 return 1;
71 if (test__ucmpdi2(0x0000000200000002LL, 0x0000000200000003LL, 0))
72 return 1;
73
74 return 0;
75 }
76