diff options
Diffstat (limited to 'cfrontend/Cshmgenproof.v')
| -rw-r--r-- | cfrontend/Cshmgenproof.v | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/cfrontend/Cshmgenproof.v b/cfrontend/Cshmgenproof.v index 7c24d0d..00ed1f6 100644 --- a/cfrontend/Cshmgenproof.v +++ b/cfrontend/Cshmgenproof.v @@ -563,6 +563,18 @@ Proof. - inv MAKE. destruct (Val.cmpu_bool (Mem.valid_pointer m) cmp va vb) as [bv|] eqn:E; simpl in SEM; inv SEM. econstructor; eauto. simpl. unfold Val.cmpu. rewrite E. auto. +- inv MAKE. destruct vb; try discriminate. + set (vb := Vint (Int.repr (Int64.unsigned i))) in *. + destruct (Val.cmpu_bool (Mem.valid_pointer m) cmp va vb) as [bv|] eqn:E; + simpl in SEM; inv SEM. + econstructor; eauto with cshm. simpl. change (Vint (Int64.loword i)) with vb. + unfold Val.cmpu. rewrite E. auto. +- inv MAKE. destruct va; try discriminate. + set (va := Vint (Int.repr (Int64.unsigned i))) in *. + destruct (Val.cmpu_bool (Mem.valid_pointer m) cmp va vb) as [bv|] eqn:E; + simpl in SEM; inv SEM. + econstructor; eauto with cshm. simpl. change (Vint (Int64.loword i)) with va. + unfold Val.cmpu. rewrite E. auto. - eapply make_binarith_correct; eauto; intros; auto. Qed. |