blob: 0480528c84932f41212f0c5739a951b15c69a8c3 (
plain) (
blame)
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
|
//===-- negvsi2_test.c - Test __negvsi2 -----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file tests __negvsi2 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include "int_lib.h"
#include <stdio.h>
// Returns: -a
// Effects: aborts if -a overflows
si_int __negvsi2(si_int a);
int test__negvsi2(si_int a)
{
si_int x = __negvsi2(a);
si_int expected = -a;
if (x != expected)
printf("error in __negvsi2(0x%X) = %d, expected %d\n", a, x, expected);
return x != expected;
}
int main()
{
// if (test__negvsi2(0x80000000)) // should abort
// return 1;
if (test__negvsi2(0x00000000))
return 1;
if (test__negvsi2(0x00000001))
return 1;
if (test__negvsi2(0x00000002))
return 1;
if (test__negvsi2(0x7FFFFFFE))
return 1;
if (test__negvsi2(0x7FFFFFFF))
return 1;
if (test__negvsi2(0x80000001))
return 1;
if (test__negvsi2(0x80000002))
return 1;
if (test__negvsi2(0xFFFFFFFE))
return 1;
if (test__negvsi2(0xFFFFFFFF))
return 1;
return 0;
}
|
