diff options
Diffstat (limited to 'cfrontend/SimplExprproof.v')
| -rw-r--r-- | cfrontend/SimplExprproof.v | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/cfrontend/SimplExprproof.v b/cfrontend/SimplExprproof.v index 507e2128..ea89a8ba 100644 --- a/cfrontend/SimplExprproof.v +++ b/cfrontend/SimplExprproof.v @@ -893,13 +893,9 @@ Qed. Lemma static_bool_val_sound: forall v t m b, bool_val v t Mem.empty = Some b -> bool_val v t m = Some b. Proof. - assert (A: forall b ofs, Mem.weak_valid_pointer Mem.empty b ofs = false). - { unfold Mem.weak_valid_pointer, Mem.valid_pointer, proj_sumbool; intros. - rewrite ! pred_dec_false by (apply Mem.perm_empty). auto. } intros until b; unfold bool_val. - destruct (classify_bool t); destruct v; destruct Archi.ptr64 eqn:SF; auto. -- rewrite A; congruence. -- simpl; rewrite A; congruence. + destruct (classify_bool t); destruct v; destruct Archi.ptr64 eqn:SF; auto; + simpl; congruence. Qed. Lemma step_makeif: |