1 // RUN: %clang_builtins %s %librt -o %t && %run %t
2 // REQUIRES: librt_has_floatunssidfvfp
3 
4 #include "int_lib.h"
5 #include <stdio.h>
6 #include <stdlib.h>
7 #include <math.h>
8 
9 
10 extern COMPILER_RT_ABI double __floatunssidfvfp(unsigned int a);
11 
12 #if defined(__arm__) && defined(__ARM_FP) && (__ARM_FP & 0x8)
test__floatunssidfvfp(unsigned int a)13 int test__floatunssidfvfp(unsigned int a)
14 {
15     double actual = __floatunssidfvfp(a);
16     double expected = a;
17     if (actual != expected)
18         printf("error in test__floatunssidfvfp(%u) = %f, expected %f\n",
19                a, actual, expected);
20     return actual != expected;
21 }
22 #endif
23 
main()24 int main()
25 {
26 #if defined(__arm__) && defined(__ARM_FP) && (__ARM_FP & 0x8)
27     if (test__floatunssidfvfp(0))
28         return 1;
29     if (test__floatunssidfvfp(1))
30         return 1;
31     if (test__floatunssidfvfp(0x7FFFFFFF))
32         return 1;
33     if (test__floatunssidfvfp(0x80000000))
34         return 1;
35     if (test__floatunssidfvfp(0xFFFFFFFF))
36         return 1;
37 #else
38     printf("skipped\n");
39 #endif
40     return 0;
41 }
42