fixtfdi_test.c
2.01 KB
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
// RUN: %clang_builtins %s %librt -o %t && %run %t
// REQUIRES: librt_has_fixtfdi
//===--------------- fixtfdi_test.c - Test __fixtfdi ----------------------===//
//
// 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 __fixtfdi for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include "int_lib.h"
#include <stdio.h>
#if __LDBL_MANT_DIG__ == 113
#include "fp_test.h"
di_int __fixtfdi(long double a);
int test__fixtfdi(long double a, di_int expected)
{
di_int x = __fixtfdi(a);
int ret = (x != expected);
if (ret)
{
printf("error in test__fixtfdi(%.20Lf) = %llX, "
"expected %llX\n", a, x, expected);
}
return ret;
}
char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
#endif
int main()
{
#if __LDBL_MANT_DIG__ == 113
if (test__fixtfdi(makeInf128(), 0x7fffffffffffffffLL))
return 1;
if (test__fixtfdi(0, 0x0))
return 1;
if (test__fixtfdi(0x1.23456789abcdefp+5L, 0x24LL))
return 1;
if (test__fixtfdi(0x1.23456789abcdefp-3L, 0x0LL))
return 1;
if (test__fixtfdi(0x1.23456789abcdef12345678p+20L, 0x123456LL))
return 1;
if (test__fixtfdi(0x1.23456789abcdef12345678p+40L, 0x123456789abLL))
return 1;
if (test__fixtfdi(0x1.23456789abcdef12345678p+60L, 0x123456789abcdef1LL))
return 1;
if (test__fixtfdi(0x1.23456789abcdefp+256L, 0x7fffffffffffffffLL))
return 1;
if (test__fixtfdi(-0x1.23456789abcdefp+20L, 0xffffffffffedcbaaLL))
return 1;
if (test__fixtfdi(-0x1.23456789abcdefp+40L, 0xfffffedcba987655LL))
return 1;
if (test__fixtfdi(-0x1.23456789abcdefp+256L, 0x8000000000000000LL))
return 1;
#else
printf("skipped\n");
#endif
return 0;
}