gcc/testsuite/gcc.dg/dfp/snan.c

   1 /* { dg-options "" } */
   2
   3 /* FIXME: this test needs to be conditional to systems with POSIX signals.  */
   4
   5 #include <signal.h>
   6
   7 extern void exit(int status);
   8 extern void abort(void);
   9
  10 void go_quietly (int arg)
  11 {
  12   exit (0);
  13 }
  14
  15 int main()
  16 {
  17   _Decimal32 d = 1.5df;
  18
  19   /* Enable signaling NaNs using a scaffolding libgcc function.  */
  20   __dfp_enable_traps ();
  21   signal (SIGFPE, go_quietly);
  22
  23   d = d / 0.0df;
  24
  25   /* Never reached.  */
  26   abort ();
  27   return 0;
  28 }