ALL_ON
*x++ = *bits & ALL_ON;
*x++ = (*bits >> 16) & ALL_ON;
b->x[j] = ALL_ON;
*x1++ = (y | (*x << n)) & ALL_ON;
if ((*x++ & ALL_ON) != ALL_ON)
return ((*x | (ALL_ON << n)) & ALL_ON) == ALL_ON;
*x++ = ALL_ON;
if (rvb->x[i] & ALL_ON)