1 /* { dg-options "-O0" } */
2
3 /* Decimal float versions of __builtin_signbit. */
4
5 #include "dfp-dbg.h"
6
7 #define CHECK32(D,I) \
8 if ((__builtin_signbitd32 (D) != 0) != I) FAILURE
9
10 #define CHECK64(D,I) \
11 if ((__builtin_signbitd64 (D) != 0) != I) FAILURE
12
13 #define CHECK128(D,I) \
14 if ((__builtin_signbitd128 (D) != 0) != I) FAILURE
15
16 /* Prevent the compiler from folding the calls at compile time. */
17 volatile _Decimal32 sd;
18 volatile _Decimal64 dd;
19 volatile _Decimal128 td;
20
21 int
main()22 main ()
23 {
24 sd = 1.9df; CHECK32 (sd, 0)
25 sd = -5.3df; CHECK32 (sd, 1)
26 sd = 0.0df; CHECK32 (sd, 0)
27 sd = -0.0df; CHECK32 (sd, 1)
28
29 dd = 1.9dd; CHECK64 (dd, 0)
30 dd = -5.3dd; CHECK64 (dd, 1)
31 dd = 0.0dd; CHECK64 (dd, 0)
32 dd = -0.0dd; CHECK64 (dd, 1)
33
34 td = 1.9dl; CHECK128 (td, 0)
35 td = -5.3dl; CHECK128 (td, 1)
36 td = 0.0dl; CHECK128 (td, 0)
37 td = -0.0dl; CHECK128 (td, 1)
38
39 FINISH
40 }
41