1 // RUN: %clang_builtins %s %librt -o %t && %run %t
2 // REQUIRES: librt_has_cmpdi2
3
4 #include "int_lib.h"
5 #include <stdio.h>
6
7 // Returns: if (a < b) returns 0
8 // if (a == b) returns 1
9 // if (a > b) returns 2
10
11 COMPILER_RT_ABI si_int __cmpdi2(di_int a, di_int b);
12
test__cmpdi2(di_int a,di_int b,si_int expected)13 int test__cmpdi2(di_int a, di_int b, si_int expected)
14 {
15 si_int x = __cmpdi2(a, b);
16 if (x != expected)
17 printf("error in __cmpdi2(0x%llX, 0x%llX) = %d, expected %d\n",
18 a, b, x, expected);
19 return x != expected;
20 }
21
22 char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0};
23
main()24 int main()
25 {
26 if (test__cmpdi2(0, 0, 1))
27 return 1;
28 if (test__cmpdi2(1, 1, 1))
29 return 1;
30 if (test__cmpdi2(2, 2, 1))
31 return 1;
32 if (test__cmpdi2(0x7FFFFFFF, 0x7FFFFFFF, 1))
33 return 1;
34 if (test__cmpdi2(0x80000000, 0x80000000, 1))
35 return 1;
36 if (test__cmpdi2(0x80000001, 0x80000001, 1))
37 return 1;
38 if (test__cmpdi2(0xFFFFFFFF, 0xFFFFFFFF, 1))
39 return 1;
40 if (test__cmpdi2(0x000000010000000LL, 0x000000010000000LL, 1))
41 return 1;
42 if (test__cmpdi2(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL, 1))
43 return 1;
44
45 if (test__cmpdi2(0x0000000200000002LL, 0x0000000300000001LL, 0))
46 return 1;
47 if (test__cmpdi2(0x0000000200000002LL, 0x0000000300000002LL, 0))
48 return 1;
49 if (test__cmpdi2(0x0000000200000002LL, 0x0000000300000003LL, 0))
50 return 1;
51
52 if (test__cmpdi2(0x0000000200000002LL, 0x0000000100000001LL, 2))
53 return 1;
54 if (test__cmpdi2(0x0000000200000002LL, 0x0000000100000002LL, 2))
55 return 1;
56 if (test__cmpdi2(0x0000000200000002LL, 0x0000000100000003LL, 2))
57 return 1;
58
59 if (test__cmpdi2(0x0000000200000002LL, 0x0000000200000001LL, 2))
60 return 1;
61 if (test__cmpdi2(0x0000000200000002LL, 0x0000000200000002LL, 1))
62 return 1;
63 if (test__cmpdi2(0x0000000200000002LL, 0x0000000200000003LL, 0))
64 return 1;
65
66 return 0;
67 }
68