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/* { 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

}