e->skip_n_vectors = skip / sizeof (u32x4);
skip -= e->skip_n_vectors * sizeof (u32x4);
e->rewrite_n_vectors = (skip + len - 1) / sizeof (u32x4) + 1;
e->skip_n_vectors = skip / sizeof (u32x4);
skip -= e->skip_n_vectors * sizeof (u32x4);
e->rewrite_n_vectors = (skip + len - 1) / sizeof (u32x4) + 1;