| /* { dg-options "-O1" } */ |
| |
| /* Check that the compiler uses builtins for signbit; if not the link |
| will fail because library functions are in libm. */ |
| /* See PR51867. |
| Since GCC uses library call when optimizing for "-O0", this test |
| case requires at least "-O1" level optimization now. */ |
| |
| #include "dfp-dbg.h" |
| |
| volatile _Decimal32 sd = 2.3df; |
| volatile _Decimal64 dd = -4.5dd; |
| volatile _Decimal128 tf = 5.3dl; |
| volatile float f = 1.2f; |
| volatile double d = -7.8; |
| volatile long double ld = 3.4L; |
| |
| EXTERN int signbitf (float); |
| EXTERN int signbit (double); |
| EXTERN int signbitl (long double); |
| EXTERN int signbitd32 (_Decimal32); |
| EXTERN int signbitd64 (_Decimal64); |
| EXTERN int signbitd128 (_Decimal128); |
| |
| int |
| main () |
| { |
| if (signbitf (f) != 0) FAILURE |
| if (signbit (d) == 0) FAILURE |
| if (signbitl (ld) != 0) FAILURE |
| if (signbitd32 (sd) != 0) FAILURE |
| if (signbitd64 (dd) == 0) FAILURE |
| if (signbitd128 (tf) != 0) FAILURE |
| |
| FINISH |
| } |
