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
test__floatunsitf(su_int a,uint64_t expectedHi,uint64_t expectedLo)16 int test__floatunsitf(su_int a, uint64_t expectedHi, uint64_t expectedLo) {
17 tf_float x = __floatunsitf(a);
18 int ret = compareResultF128(x, expectedHi, expectedLo);
19
20 if (ret) {
21 printf("error in test__floatunsitf(%u) = %.20Lf, "
22 "expected %.20Lf\n",
23 a, x, fromRep128(expectedHi, expectedLo));
24 }
25 return ret;
26 }
27
28 char assumption_1[sizeof(tf_float) * CHAR_BIT == 128] = {0};
29
30 #endif
31
main()32 int main() {
33 #if defined(CRT_HAS_IEEE_TF)
34 if (test__floatunsitf(0x7fffffff, UINT64_C(0x401dfffffffc0000),
35 UINT64_C(0x0)))
36 return 1;
37 if (test__floatunsitf(0, UINT64_C(0x0), UINT64_C(0x0)))
38 return 1;
39 if (test__floatunsitf(0xffffffff, UINT64_C(0x401efffffffe0000),
40 UINT64_C(0x0)))
41 return 1;
42 if (test__floatunsitf(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