Definition sha_final_epilog :=
              (Ssequence
                          (Scall None
                            (Evar _sha256_block_data_order (Tfunction
                                 (Tcons(tptr t_struct_SHA256state_st)
                                   (Tcons (tptr tvoid) Tnil))
                                 tvoid cc_default))
                            ((Etempvar _c (tptr t_struct_SHA256state_st)) ::
                             (Etempvar _p (tptr tuchar)) :: nil))
                          (Ssequence
                            (Sassign
                              (Efield
                                (Ederef
                                  (Etempvar _c (tptr t_struct_SHA256state_st))
                                  t_struct_SHA256state_st) _num tuint)
                              (Econst_int (Int.repr 0) tint))
                            (Ssequence
                              (Scall None
                                (Evar _memset (Tfunction
                                                (Tcons (tptr tvoid)
                                                  (Tcons tint
                                                    (Tcons tuint Tnil)))
                                                (tptr tvoid) cc_default))
                                ((Etempvar _p (tptr tuchar)) ::
                                 (Econst_int (Int.repr 0) tint) ::
                                 (Ebinop Omul (Econst_int (Int.repr 16) tint)
                                   (Econst_int (Int.repr 4) tint) tint) ::
                                 nil))
           (Ssequence final_loop (Sreturn None))))).

Lemma align_compatible_tarray_tuchar: forall n v, align_compatible (tarray tuchar n) v.