gcc/testsuite/gcc.dg/dfp/bid-non-canonical-d64-1.c

   1 /* Test non-canonical BID significands: _Decimal64.  Bug 91226.  */
   2 /* { dg-require-effective-target dfp_bid } */
   3 /* { dg-options "-std=gnu23 -O2" } */
   4
   5 extern void abort (void);
   6 extern void exit (int);
   7
   8 union u
   9 {
  10   _Decimal64 d64;
  11   unsigned long long int u64;
  12 };
  13
  14 int
  15 main (void)
  16 {
  17   union u x;
  18   _Decimal64 d64;
  19   x.u64 = 0x6c7386f26fc10001ULL;
  20   d64 = x.d64;
  21   volatile double d = d64;
  22   if (d == 0)
  23     exit (0);
  24   else
  25     abort ();
  26 }