count_leading_zeros
count_leading_zeros (bm, d1);
count_leading_zeros (bm, d0);
count_leading_zeros (bm, d0);
nbits -= count_leading_zeros(src[0]) - (BITS_PER_LONG - 8);
n = count_leading_zeros(alimb);
normalization_steps = count_leading_zeros(dp[dsize - 1]);
c = count_leading_zeros(e);
mod_shift_cnt = count_leading_zeros(mod->d[msize - 1]);
lzeros += count_leading_zeros(alimb) / 8;
nbits -= count_leading_zeros(*buff) - (BITS_PER_LONG - 8);
nbits -= count_leading_zeros(buffer[0]) - (BITS_PER_LONG - 8);
normalization_steps = count_leading_zeros(divisor_limb);
normalization_steps = count_leading_zeros(divisor_limb);
normalization_steps = count_leading_zeros(divisor_limb);
normalization_steps = count_leading_zeros(divisor_limb);