diff options
Diffstat (limited to 'ia32/SelectLongproof.v')
| -rw-r--r-- | ia32/SelectLongproof.v | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/ia32/SelectLongproof.v b/ia32/SelectLongproof.v index 14b0bcce..a3d2bb19 100644 --- a/ia32/SelectLongproof.v +++ b/ia32/SelectLongproof.v @@ -66,17 +66,15 @@ Proof. EvalOp. Qed. -Lemma is_longconst_sound_1: - forall a n, is_longconst a = Some n -> a = Eop (Olongconst n) Enil. -Proof with (try discriminate). - unfold is_longconst; intros. destruct a... destruct o... destruct e0... congruence. -Qed. - Lemma is_longconst_sound: forall v a n le, is_longconst a = Some n -> eval_expr ge sp e m le a v -> v = Vlong n. -Proof. - intros. rewrite (is_longconst_sound_1 _ _ H) in H0. InvEval. auto. +Proof with (try discriminate). + intros. unfold is_longconst in *. destruct Archi.splitlong. + eapply SplitLongproof.is_longconst_sound; eauto. + assert (a = Eop (Olongconst n) Enil). + { destruct a... destruct o... destruct e0... congruence. } + subst a. InvEval. auto. Qed. Theorem eval_intoflong: unary_constructor_sound intoflong Val.loword. @@ -401,6 +399,8 @@ Qed. Theorem eval_mullimm: forall n, unary_constructor_sound (mullimm n) (fun v => Val.mull v (Vlong n)). Proof. unfold mullimm. intros; red; intros. + destruct Archi.splitlong eqn:SL. + eapply SplitLongproof.eval_mullimm; eauto. predSpec Int64.eq Int64.eq_spec n Int64.zero. exists (Vlong Int64.zero); split. apply eval_longconst. destruct x; simpl; auto. subst n; rewrite Int64.mul_zero; auto. |