two new instructions were added to the mask instructions set: codice_7 and codice_8 (b and w forms with avx-512dq, d and q with avx-512bw). the rest of mask instructions, which had only word forms, got byte forms with avx-512dq and doubleword/quadword forms with avx-512bw. codice_9 was extended to codice_10 and codice_11 by avx-512bw.