gcc/testsuite/gcc.dg/rs6000-ldouble-1.c

   1 /* { dg-do run { target powerpc*-*-darwin* powerpc*-*-aix* powerpc64-*-linux rs6000-*-* } } */
   2 /* { dg-options "-mlong-double-128" } */
   3
   4 /* Check that long double values are rounded correctly when being converted
   5    to 32-bit integers.  All these values are of the form +/- 2 +/- 2^-60.  */
   6
   7 extern void abort(void);
   8 extern void exit(int);
   9
  10 int main(void)
  11 {
  12   long double l1 = 1.9999999999999999991326382620115964527941L;
  13   long double l2 = 2.0000000000000000008673617379884035472059L;
  14   long double l3 = -2.0000000000000000008673617379884035472059L;
  15   long double l4 = -1.9999999999999999991326382620115964527941L;
  16
  17   if ((int) l1 != 1)
  18     abort ();
  19   if ((int) l2 != 2)
  20     abort ();
  21   if ((int) l3 != -2)
  22     abort ();
  23   if ((int) l4 != -1)
  24     abort ();
  25   exit (0);
  26 }