1 | // RUN: %clang_builtins %s %librt -o %t && %run %t |
2 | // REQUIRES: librt_has_modti3 |
3 | // REQUIRES: int128 |
4 | |
5 | #include "int_lib.h" |
6 | #include <stdio.h> |
7 | |
8 | #ifdef CRT_HAS_128BIT |
9 | |
10 | // Returns: a % b |
11 | |
12 | COMPILER_RT_ABI ti_int __modti3(ti_int a, ti_int b); |
13 | |
14 | int test__modti3(ti_int a, ti_int b, ti_int expected) |
15 | { |
16 | ti_int x = __modti3(a, b); |
17 | if (x != expected) |
18 | { |
19 | twords at; |
20 | at.all = a; |
21 | twords bt; |
22 | bt.all = b; |
23 | twords xt; |
24 | xt.all = x; |
25 | twords expectedt; |
26 | expectedt.all = expected; |
27 | printf(format: "error in __modti3: 0x%.16llX%.16llX %% 0x%.16llX%.16llX = " |
28 | "0x%.16llX%.16llX, expected 0x%.16llX%.16llX\n" , |
29 | at.s.high, at.s.low, bt.s.high, bt.s.low, xt.s.high, xt.s.low, |
30 | expectedt.s.high, expectedt.s.low); |
31 | } |
32 | return x != expected; |
33 | } |
34 | |
35 | char assumption_1[sizeof(ti_int) == 2*sizeof(di_int)] = {0}; |
36 | |
37 | #endif |
38 | |
39 | int main() |
40 | { |
41 | #ifdef CRT_HAS_128BIT |
42 | if (test__modti3(a: 0, b: 1, expected: 0)) |
43 | return 1; |
44 | if (test__modti3(a: 0, b: -1, expected: 0)) |
45 | return 1; |
46 | |
47 | if (test__modti3(a: 5, b: 3, expected: 2)) |
48 | return 1; |
49 | if (test__modti3(a: 5, b: -3, expected: 2)) |
50 | return 1; |
51 | if (test__modti3(a: -5, b: 3, expected: -2)) |
52 | return 1; |
53 | if (test__modti3(a: -5, b: -3, expected: -2)) |
54 | return 1; |
55 | |
56 | if (test__modti3(a: 0x8000000000000000ULL, b: 1, expected: 0x0LL)) |
57 | return 1; |
58 | if (test__modti3(a: 0x8000000000000000ULL, b: -1, expected: 0x0LL)) |
59 | return 1; |
60 | if (test__modti3(a: 0x8000000000000000ULL, b: 2, expected: 0x0LL)) |
61 | return 1; |
62 | if (test__modti3(a: 0x8000000000000000ULL, b: -2, expected: 0x0LL)) |
63 | return 1; |
64 | if (test__modti3(a: 0x8000000000000000ULL, b: 3, expected: 2)) |
65 | return 1; |
66 | if (test__modti3(a: 0x8000000000000000ULL, b: -3, expected: 2)) |
67 | return 1; |
68 | |
69 | if (test__modti3(a: make_ti(h: 0x8000000000000000LL, l: 0), b: 1, expected: 0x0LL)) |
70 | return 1; |
71 | if (test__modti3(a: make_ti(h: 0x8000000000000000LL, l: 0), b: -1, expected: 0x0LL)) |
72 | return 1; |
73 | if (test__modti3(a: make_ti(h: 0x8000000000000000LL, l: 0), b: 2, expected: 0x0LL)) |
74 | return 1; |
75 | if (test__modti3(a: make_ti(h: 0x8000000000000000LL, l: 0), b: -2, expected: 0x0LL)) |
76 | return 1; |
77 | if (test__modti3(a: make_ti(h: 0x8000000000000000LL, l: 0), b: 3, expected: -2)) |
78 | return 1; |
79 | if (test__modti3(a: make_ti(h: 0x8000000000000000LL, l: 0), b: -3, expected: -2)) |
80 | return 1; |
81 | |
82 | #else |
83 | printf("skipped\n" ); |
84 | #endif |
85 | return 0; |
86 | } |
87 | |