diff options
| author |  xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2010-05-23 15:26:33 +0000 |
|---|---|---|
| committer | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2010-05-23 15:26:33 +0000 |
| commit | 3a050b22f37f3c79a10a8ebae3d292fa77e91b76 (patch) | |
| tree | 16a0d9366f6805cfc9726c0b80dd8da84cb63a3d /backend/Stackingproof.v | |
| parent | 7999c9ee1f09f7d555e3efc39f030564f76a3354 (diff) | |
More faithful semantics for volatile reads and writes.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1346 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
Diffstat (limited to 'backend/Stackingproof.v')
| -rw-r--r-- | backend/Stackingproof.v | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/backend/Stackingproof.v b/backend/Stackingproof.v index fbe4b68..4406187 100644 --- a/backend/Stackingproof.v +++ b/backend/Stackingproof.v @@ -1139,6 +1139,14 @@ Proof. exact TRANSF. Qed. +Lemma varinfo_preserved: + forall b, Genv.find_var_info tge b = Genv.find_var_info ge b. +Proof. + intros. unfold ge, tge. + apply Genv.find_var_info_transf_partial with transf_fundef. + exact TRANSF. +Qed. + Lemma functions_translated: forall v f, Genv.find_funct ge v = Some f -> @@ -1574,7 +1582,8 @@ Proof. exploit transl_external_arguments; eauto. intro EXTARGS. econstructor; split. apply plus_one. eapply exec_function_external; eauto. - eapply external_call_symbols_preserved; eauto. exact symbols_preserved. + eapply external_call_symbols_preserved; eauto. + exact symbols_preserved. exact varinfo_preserved. econstructor; eauto. intros. unfold Regmap.set. case (RegEq.eq r (loc_result (ef_sig ef))); intro. rewrite e. rewrite Locmap.gss; auto. rewrite Locmap.gso; auto. |