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
| // RUN: %clang_builtins %s %librt -o %t && %run %t
// REQUIRES: librt_has_floatsitf
//===--------------- floatsitf_test.c - Test __floatsitf ------------------===//
//
// 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 __floatsitf for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include "int_lib.h"
#include <stdio.h>
#if __LDBL_MANT_DIG__ == 113
#include "fp_test.h"
long COMPILER_RT_ABI double __floatsitf(int a);
int test__floatsitf(int a, uint64_t expectedHi, uint64_t expectedLo)
{
long double x = __floatsitf(a);
int ret = compareResultLD(x, expectedHi, expectedLo);
if (ret)
{
printf("error in test__floatsitf(%d) = %.20Lf, "
"expected %.20Lf\n", a, x, fromRep128(expectedHi, expectedLo));
}
return ret;
}
char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
#endif
int main()
{
#if __LDBL_MANT_DIG__ == 113
if (test__floatsitf(0x80000000, UINT64_C(0xc01e000000000000), UINT64_C(0x0)))
return 1;
if (test__floatsitf(0x7fffffff, UINT64_C(0x401dfffffffc0000), UINT64_C(0x0)))
return 1;
if (test__floatsitf(0, UINT64_C(0x0), UINT64_C(0x0)))
return 1;
if (test__floatsitf(0xffffffff, UINT64_C(0xbfff000000000000), UINT64_C(0x0)))
return 1;
if (test__floatsitf(0x12345678, UINT64_C(0x401b234567800000), UINT64_C(0x0)))
return 1;
if (test__floatsitf(-0x12345678, UINT64_C(0xc01b234567800000), UINT64_C(0x0)))
return 1;
#else
printf("skipped\n");
#endif
return 0;
}
|