gcc/testsuite/gcc.dg/torture/fp-int-convert-float128-timode-2.c

   1 /* Test floating-point conversions.  __float128 type with TImode: bug
   2    53317.  */
   3 /* Origin: Joseph Myers <joseph@codesourcery.com> */
   4 /* { dg-do run { target i?86-*-* x86_64-*-* ia64-*-* } } */
   5 /* { dg-require-effective-target int128 } */
   6 /* { dg-options "" } */
   7
   8 extern void abort (void);
   9 extern void exit (int);
  10
  11 int
  12 main (void)
  13 {
  14   volatile unsigned long long a = 0x1000000000000ULL;
  15   volatile unsigned long long b = 0xffffffffffffffffULL;
  16   unsigned __int128 c = (((unsigned __int128) a) << 64) | b;
  17   __float128 d = c;
  18   if (d != 0x1.000000000000ffffffffffffffffp112q)
  19     abort ();
  20   exit (0);
  21 }