Require Export VST.msl.eq_dec.
Hint Rewrite andb_true_iff: align.
Hint Rewrite <- Zle_is_le_bool: align.
Hint Rewrite Z.eqb_eq: align.
Hint Rewrite power_nat_divide_le using (auto with align): align.
Hint Rewrite Z.mod_divide using (apply two_power_nat_0; auto with align): align.
Hint Rewrite two_p_max_divide using (auto with align): align.
Hint Rewrite two_p_max_1 using (auto with align): align.
Hint Resolve Z_max_two_p: align.

Lemma nat_of_Z_eq: forall i, Z.to_nat (Z_of_nat i) = i.