1 | // RUN: %clang_builtins %s %librt -o %t && %run %t |
2 | // REQUIRES: librt_has_floatunsitf |
3 | |
4 | #include "int_lib.h" |
5 | #include <stdio.h> |
6 | |
7 | // The testcase currently assumes IEEE TF format, once that has been |
8 | // fixed the defined(CRT_HAS_IEEE_TF) guard can be removed to enable it for |
9 | // IBM 128 floats as well. |
10 | #if defined(CRT_HAS_IEEE_TF) |
11 | |
12 | # include "fp_test.h" |
13 | |
14 | COMPILER_RT_ABI tf_float __floatunsitf(su_int a); |
15 | |
16 | int test__floatunsitf(su_int a, uint64_t expectedHi, uint64_t expectedLo) { |
17 | tf_float x = __floatunsitf(a); |
18 | int ret = compareResultF128(result: x, expectedHi, expectedLo); |
19 | |
20 | if (ret) { |
21 | printf(format: "error in test__floatunsitf(%u) = %.20Lf, " |
22 | "expected %.20Lf\n" , |
23 | a, x, fromRep128(hi: expectedHi, lo: expectedLo)); |
24 | } |
25 | return ret; |
26 | } |
27 | |
28 | char assumption_1[sizeof(tf_float) * CHAR_BIT == 128] = {0}; |
29 | |
30 | #endif |
31 | |
32 | int main() { |
33 | #if defined(CRT_HAS_IEEE_TF) |
34 | if (test__floatunsitf(a: 0x7fffffff, UINT64_C(0x401dfffffffc0000), |
35 | UINT64_C(0x0))) |
36 | return 1; |
37 | if (test__floatunsitf(a: 0, UINT64_C(0x0), UINT64_C(0x0))) |
38 | return 1; |
39 | if (test__floatunsitf(a: 0xffffffff, UINT64_C(0x401efffffffe0000), |
40 | UINT64_C(0x0))) |
41 | return 1; |
42 | if (test__floatunsitf(a: 0x12345678, UINT64_C(0x401b234567800000), |
43 | UINT64_C(0x0))) |
44 | return 1; |
45 | |
46 | #else |
47 | printf("skipped\n" ); |
48 | |
49 | #endif |
50 | return 0; |
51 | } |
52 | |