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
      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  }