| /* { dg-options "-O0" } */ |
| |
| /* Decimal float versions of __builtin_signbit. */ |
| |
| #include "dfp-dbg.h" |
| |
| #define CHECK32(D,I) \ |
| if ((__builtin_signbitd32 (D) != 0) != I) FAILURE |
| |
| #define CHECK64(D,I) \ |
| if ((__builtin_signbitd64 (D) != 0) != I) FAILURE |
| |
| #define CHECK128(D,I) \ |
| if ((__builtin_signbitd128 (D) != 0) != I) FAILURE |
| |
| /* Prevent the compiler from folding the calls at compile time. */ |
| volatile _Decimal32 sd; |
| volatile _Decimal64 dd; |
| volatile _Decimal128 td; |
| |
| int |
| main () |
| { |
| sd = 1.9df; CHECK32 (sd, 0) |
| sd = -5.3df; CHECK32 (sd, 1) |
| sd = 0.0df; CHECK32 (sd, 0) |
| sd = -0.0df; CHECK32 (sd, 1) |
| |
| dd = 1.9dd; CHECK64 (dd, 0) |
| dd = -5.3dd; CHECK64 (dd, 1) |
| dd = 0.0dd; CHECK64 (dd, 0) |
| dd = -0.0dd; CHECK64 (dd, 1) |
| |
| td = 1.9dl; CHECK128 (td, 0) |
| td = -5.3dl; CHECK128 (td, 1) |
| td = 0.0dl; CHECK128 (td, 0) |
| td = -0.0dl; CHECK128 (td, 1) |
| |
| FINISH |
| } |
