diff options
Diffstat (limited to 'ia32/SelectOpproof.v')
| -rw-r--r-- | ia32/SelectOpproof.v | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/ia32/SelectOpproof.v b/ia32/SelectOpproof.v index f14b6a9..e6fd809 100644 --- a/ia32/SelectOpproof.v +++ b/ia32/SelectOpproof.v @@ -138,6 +138,31 @@ Proof. unfold notint; red; intros. TrivialExists. Qed. +Theorem eval_boolval: unary_constructor_sound boolval Val.boolval. +Proof. + assert (DFL: + forall le a x, + eval_expr ge sp e m le a x -> + exists v, eval_expr ge sp e m le (Eop (Ocmp (Ccompuimm Cne Int.zero)) (a ::: Enil)) v + /\ Val.lessdef (Val.boolval x) v). + intros. TrivialExists. simpl. destruct x; simpl; auto. + + red. induction a; simpl; intros; eauto. destruct o; eauto. +(* intconst *) + destruct e0; eauto. InvEval. TrivialExists. simpl. destruct (Int.eq i Int.zero); auto. +(* cmp *) + inv H. simpl in H5. + destruct (eval_condition c vl m) as []_eqn. + TrivialExists. simpl. inv H5. rewrite Heqo. destruct b; auto. + simpl in H5. inv H5. + exists Vundef; split; auto. EvalOp; simpl. rewrite Heqo; auto. + +(* condition *) + inv H. destruct v1. + exploit IHa1; eauto. intros [v [A B]]. exists v; split; auto. eapply eval_Econdition; eauto. + exploit IHa2; eauto. intros [v [A B]]. exists v; split; auto. eapply eval_Econdition; eauto. +Qed. + Theorem eval_notbool: unary_constructor_sound notbool Val.notbool. Proof. assert (DFL: |