1 //===-- modti3_test.c - Test __modti3 -------------------------------------===//
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 __modti3 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
21 ti_int __modti3(ti_int a, ti_int b);
22
test__modti3(ti_int a,ti_int b,ti_int expected)23 int test__modti3(ti_int a, ti_int b, ti_int expected)
24 {
25 ti_int x = __modti3(a, b);
26 if (x != expected)
27 {
28 twords at;
29 at.all = a;
30 twords bt;
31 bt.all = b;
32 twords xt;
33 xt.all = x;
34 twords expectedt;
35 expectedt.all = expected;
36 printf("error in __modti3: 0x%.16llX%.16llX %% 0x%.16llX%.16llX = "
37 "0x%.16llX%.16llX, expected 0x%.16llX%.16llX\n",
38 at.s.high, at.s.low, bt.s.high, bt.s.low, xt.s.high, xt.s.low,
39 expectedt.s.high, expectedt.s.low);
40 }
41 return x != expected;
42 }
43
44 char assumption_1[sizeof(ti_int) == 2*sizeof(di_int)] = {0};
45
46 #endif
47
main()48 int main()
49 {
50 #if __x86_64
51 if (test__modti3(0, 1, 0))
52 return 1;
53 if (test__modti3(0, -1, 0))
54 return 1;
55
56 if (test__modti3(5, 3, 2))
57 return 1;
58 if (test__modti3(5, -3, 2))
59 return 1;
60 if (test__modti3(-5, 3, -2))
61 return 1;
62 if (test__modti3(-5, -3, -2))
63 return 1;
64
65 if (test__modti3(0x8000000000000000LL, 1, 0x0LL))
66 return 1;
67 if (test__modti3(0x8000000000000000LL, -1, 0x0LL))
68 return 1;
69 if (test__modti3(0x8000000000000000LL, 2, 0x0LL))
70 return 1;
71 if (test__modti3(0x8000000000000000LL, -2, 0x0LL))
72 return 1;
73 if (test__modti3(0x8000000000000000LL, 3, 2))
74 return 1;
75 if (test__modti3(0x8000000000000000LL, -3, 2))
76 return 1;
77
78 if (test__modti3(make_ti(0x8000000000000000LL, 0), 1, 0x0LL))
79 return 1;
80 if (test__modti3(make_ti(0x8000000000000000LL, 0), -1, 0x0LL))
81 return 1;
82 if (test__modti3(make_ti(0x8000000000000000LL, 0), 2, 0x0LL))
83 return 1;
84 if (test__modti3(make_ti(0x8000000000000000LL, 0), -2, 0x0LL))
85 return 1;
86 if (test__modti3(make_ti(0x8000000000000000LL, 0), 3, -2))
87 return 1;
88 if (test__modti3(make_ti(0x8000000000000000LL, 0), -3, -2))
89 return 1;
90
91 #else
92 printf("skipped\n");
93 #endif
94 return 0;
95 }
96