diff options
Diffstat (limited to 'powerpc/SelectOpproof.v')
-rw-r--r-- | powerpc/SelectOpproof.v | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/powerpc/SelectOpproof.v b/powerpc/SelectOpproof.v index b42503f8..e4f981d1 100644 --- a/powerpc/SelectOpproof.v +++ b/powerpc/SelectOpproof.v @@ -192,13 +192,9 @@ Proof. (* 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. rewrite (eval_negate_condition _ _ _ Heqo). destruct b; inv H5; auto. - inv H5. simpl. - destruct (eval_condition (negate_condition c) vl m) as []_eqn. - destruct b; [exists Vtrue | exists Vfalse]; split; auto; EvalOp; simpl. rewrite Heqo0; auto. rewrite Heqo0; auto. - exists Vundef; split; auto; EvalOp; simpl. rewrite Heqo0; auto. + inv H. simpl in H5. inv H5. + TrivialExists. simpl. rewrite eval_negate_condition. + destruct (eval_condition c vl m); auto. destruct b; auto. (* condition *) inv H. destruct v1. exploit IHa1; eauto. intros [v [A B]]. exists v; split; auto. eapply eval_Econdition; eauto. @@ -224,6 +220,7 @@ Proof. red; intros until y. unfold add; case (add_match a b); intros; InvEval. rewrite Val.add_commut. apply eval_addimm; auto. + apply eval_addimm; auto. subst. replace (Val.add (Val.add v1 (Vint n1)) (Val.add v0 (Vint n2))) with (Val.add (Val.add v1 v0) (Val.add (Vint n1) (Vint n2))). @@ -242,7 +239,6 @@ Proof. econstructor. EvalOp. simpl. reflexivity. econstructor. eauto. constructor. simpl. repeat rewrite Val.add_assoc. decEq; decEq. rewrite Val.add_commut. rewrite Val.add_permut. auto. - apply eval_addimm; auto. subst. rewrite <- Val.add_assoc. apply eval_addimm. EvalOp. TrivialExists. Qed. |