EXP1_IN_BITS
for_each_set_bit(bit, exp1, EXP1_IN_BITS) {
b = find_nth_bit(exp1, EXP1_IN_BITS, cnt++);
u32 arr[EXP1_IN_BITS / 32];
DECLARE_BITMAP(bmap2, EXP1_IN_BITS);
for (nbits = 1; nbits < EXP1_IN_BITS; ++nbits) {
if (nbits < EXP1_IN_BITS - 32)
u64 arr[EXP1_IN_BITS / 64];
DECLARE_BITMAP(bmap2, EXP1_IN_BITS);
for (nbits = 1; nbits < EXP1_IN_BITS; ++nbits) {
if (nbits < EXP1_IN_BITS - 64)
w = bitmap_weight(exp1, EXP1_IN_BITS);
for (bit = 1; bit < EXP1_IN_BITS; bit++) {
w2 = bitmap_weight_from(exp1, bit, EXP1_IN_BITS);