gcc/testsuite/c-c++-common/pr57371-3.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-optimized" } */
   3 /* { dg-require-effective-target int128 } */
   4
   5 /* We can not get rid of comparison in tests below because of
   6    potential overflow exception.
   7
   8    TODO: enable when -fno-trapping-math.  */
   9
  10 int foo(__int128_t x) {
  11   /* { dg-final { scan-tree-dump "\\(float\\)" "optimized" } } */
  12   return (float) x != 0;
  13 }