SWAP_RA_WIN_SHIFT
#define SWAP_RA_HITS_MASK ((1UL << SWAP_RA_WIN_SHIFT) - 1)
#define SWAP_RA_WIN(v) (((v) & SWAP_RA_WIN_MASK) >> SWAP_RA_WIN_SHIFT)
(((win) << SWAP_RA_WIN_SHIFT) & SWAP_RA_WIN_MASK) | \