gcc/testsuite/gcc.c-torture/execute/pr91635.c

/* PR target/91635 */

#if __CHAR_BIT__ == 8 && __SIZEOF_SHORT__ == 2 \
    && __SIZEOF_INT__ == 4 && __SIZEOF_LONG_LONG__ == 8
unsigned short b, c;
int u, v, w, x;

__attribute__ ((noipa)) int
foo (unsigned short c)
{
  c <<= __builtin_add_overflow (-c, -1, &b);
  c >>= 1;
  return c;
}

__attribute__ ((noipa)) int
bar (unsigned short b)
{
  b <<= -14 & 15;
  b = b >> -~1;
  return b;
}

__attribute__ ((noipa)) int
baz (unsigned short e)
{
  e <<= 1;
  e >>= __builtin_add_overflow (8719476735, u, &v);
  return e;
}

__attribute__ ((noipa)) int
qux (unsigned int e)
{
  c = ~1;
  c *= e;
  c = c >> (-15 & 5);
  return c + w + x;
}
#endif

int
main ()
{
#if __CHAR_BIT__ == 8 && __SIZEOF_SHORT__ == 2 \
    && __SIZEOF_INT__ == 4 && __SIZEOF_LONG_LONG__ == 8
  if (foo (0xffff) != 0x7fff)
    __builtin_abort ();
  if (bar (5) != 5)
    __builtin_abort ();
  if (baz (~0) != 0x7fff)
    __builtin_abort ();
  if (qux (2) != 0x7ffe)
    __builtin_abort ();
#endif
  return 0;
}