1 // RUN: %clang_builtins %s %librt -o %t && %run %t
2 // REQUIRES: librt_has_floatsitf
3
4 #include "int_lib.h"
5 #include <stdio.h>
6
7 #if __LDBL_MANT_DIG__ == 113
8
9 #include "fp_test.h"
10
11 long COMPILER_RT_ABI double __floatsitf(int a);
12
test__floatsitf(int a,uint64_t expectedHi,uint64_t expectedLo)13 int test__floatsitf(int a, uint64_t expectedHi, uint64_t expectedLo)
14 {
15 long double x = __floatsitf(a);
16 int ret = compareResultLD(x, expectedHi, expectedLo);
17
18 if (ret)
19 {
20 printf("error in test__floatsitf(%d) = %.20Lf, "
21 "expected %.20Lf\n", a, x, fromRep128(expectedHi, expectedLo));
22 }
23 return ret;
24 }
25
26 char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
27
28 #endif
29
main()30 int main()
31 {
32 #if __LDBL_MANT_DIG__ == 113
33 if (test__floatsitf(0x80000000, UINT64_C(0xc01e000000000000), UINT64_C(0x0)))
34 return 1;
35 if (test__floatsitf(0x7fffffff, UINT64_C(0x401dfffffffc0000), UINT64_C(0x0)))
36 return 1;
37 if (test__floatsitf(0, UINT64_C(0x0), UINT64_C(0x0)))
38 return 1;
39 if (test__floatsitf(0xffffffff, UINT64_C(0xbfff000000000000), UINT64_C(0x0)))
40 return 1;
41 if (test__floatsitf(0x12345678, UINT64_C(0x401b234567800000), UINT64_C(0x0)))
42 return 1;
43 if (test__floatsitf(-0x12345678, UINT64_C(0xc01b234567800000), UINT64_C(0x0)))
44 return 1;
45
46 #else
47 printf("skipped\n");
48
49 #endif
50 return 0;
51 }
52