blob: 67fe0885e5a985250ac1c1b49adae85d4e15014c [file] [log] [blame]
/* { dg-additional-options "-fwrapv" } */
int errflag;
long long
f (long long x, long long y)
{
long long r;
errflag = 0;
r = x + y;
if (x >= 0)
{
if ((y < 0) || (r >= 0))
return r;
}
else
{
if ((y > 0) || (r < 0))
return r;
}
errflag = 1;
return 0;
}
main ()
{
f (0, 0);
if (errflag)
abort ();
f (1, -1);
if (errflag)
abort ();
f (-1, 1);
if (errflag)
abort ();
f (0x8000000000000000LL, 0x8000000000000000LL);
if (!errflag)
abort ();
f (0x8000000000000000LL, -1LL);
if (!errflag)
abort ();
f (0x7fffffffffffffffLL, 0x7fffffffffffffffLL);
if (!errflag)
abort ();
f (0x7fffffffffffffffLL, 1LL);
if (!errflag)
abort ();
f (0x7fffffffffffffffLL, 0x8000000000000000LL);
if (errflag)
abort ();
exit (0);
}