view gcc/testsuite/gcc.dg/torture/pr69546-1.c @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
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/* PR tree-optimization/69546 */
/* { dg-do run { target int128 } } */

unsigned __int128 __attribute__ ((noinline, noclone))
foo (unsigned long long x)
{
  unsigned __int128 y = ~0ULL;
  x >>= 63;
  return y / (x | 1);
}

unsigned __int128 __attribute__ ((noinline, noclone))
bar (unsigned long long x)
{
  unsigned __int128 y = ~33ULL;
  x >>= 63;
  return y / (x | 1);
}

int
main ()
{
  if (foo (1) != ~0ULL || bar (17) != ~33ULL)
    __builtin_abort ();
  return 0;
}