1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
// RUN: %clang_builtins %s %librt -o %t && %run %t
// REQUIRES: librt_has_divmodsi4
//===-- divmodsi4_test.c - Test __divmodsi4 -------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file tests __divmodsi4 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include "int_lib.h"
#include <stdio.h>
// Returns: a / b
extern COMPILER_RT_ABI si_int __divmodsi4(si_int a, si_int b, si_int* rem);
int test__divmodsi4(si_int a, si_int b,
si_int expected_result, si_int expected_rem)
{
si_int rem;
si_int result = __divmodsi4(a, b, &rem);
if (result != expected_result) {
printf("error in __divmodsi4: %d / %d = %d, expected %d\n",
a, b, result, expected_result);
return 1;
}
if (rem != expected_rem) {
printf("error in __divmodsi4: %d mod %d = %d, expected %d\n",
a, b, rem, expected_rem);
return 1;
}
return 0;
}
int main()
{
if (test__divmodsi4(0, 1, 0, 0))
return 1;
if (test__divmodsi4(0, -1, 0, 0))
return 1;
if (test__divmodsi4(2, 1, 2, 0))
return 1;
if (test__divmodsi4(2, -1, -2, 0))
return 1;
if (test__divmodsi4(-2, 1, -2, 0))
return 1;
if (test__divmodsi4(-2, -1, 2, 0))
return 1;
if (test__divmodsi4(7, 5, 1, 2))
return 1;
if (test__divmodsi4(-7, 5, -1, -2))
return 1;
if (test__divmodsi4(19, 5, 3, 4))
return 1;
if (test__divmodsi4(19, -5, -3, 4))
return 1;
if (test__divmodsi4(0x80000000, 8, 0xf0000000, 0))
return 1;
if (test__divmodsi4(0x80000007, 8, 0xf0000001, -1))
return 1;
return 0;
}
|
