SNOR_F_HAS_SR_TB
nor->flags |= SNOR_F_HAS_SR_TB;
bool can_be_top = true, can_be_bottom = nor->flags & SNOR_F_HAS_SR_TB,
else if (nor->flags & SNOR_F_HAS_SR_TB)
bool can_be_top = true, can_be_bottom = nor->flags & SNOR_F_HAS_SR_TB,
bool tb = (nor->flags & SNOR_F_HAS_SR_TB) ? sr[0] & tb_mask : 0;