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-rw-r--r--backend/ValueDomain.v10
1 files changed, 4 insertions, 6 deletions
diff --git a/backend/ValueDomain.v b/backend/ValueDomain.v
index 2c728d3..5d0e3ae 100644
--- a/backend/ValueDomain.v
+++ b/backend/ValueDomain.v
@@ -2727,16 +2727,14 @@ Qed.
Lemma romatch_storebytes:
forall m b ofs bytes m' rm,
Mem.storebytes m b ofs bytes = Some m' ->
- bytes <> nil ->
romatch m rm ->
romatch m' rm.
Proof.
- intros; red; intros. exploit H1; eauto. intros (A & B & C). split; auto. split.
+ intros; red; intros. exploit H0; eauto. intros (A & B & C). split; auto. split.
- apply bmatch_inv with m; auto.
- intros. eapply Mem.loadbytes_storebytes_other; eauto.
- left. red; intros; subst b0. elim (C ofs). apply Mem.perm_cur_max.
- eapply Mem.storebytes_range_perm; eauto.
- destruct bytes. congruence. simpl length. rewrite inj_S. omega.
+ intros. eapply Mem.loadbytes_storebytes_disjoint; eauto.
+ destruct (eq_block b0 b); auto. subst b0. right; red; unfold Intv.In; simpl; red; intros.
+ elim (C x). apply Mem.perm_cur_max. eapply Mem.storebytes_range_perm; eauto.
- intros; red; intros; elim (C ofs0). eauto with mem.
Qed.