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/Tailcallproof.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/Tailcallproof.v')
| -rw-r--r-- | backend/Tailcallproof.v | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/backend/Tailcallproof.v b/backend/Tailcallproof.v index 0535cbf..2eed6e8 100644 --- a/backend/Tailcallproof.v +++ b/backend/Tailcallproof.v @@ -240,6 +240,10 @@ Lemma symbols_preserved: forall (s: ident), Genv.find_symbol tge s = Genv.find_symbol ge s. Proof (Genv.find_symbol_transf transf_fundef prog). +Lemma varinfo_preserved: + forall b, Genv.find_var_info tge b = Genv.find_var_info ge b. +Proof (Genv.find_var_info_transf transf_fundef prog). + Lemma functions_translated: forall (v: val) (f: RTL.fundef), Genv.find_funct ge v = Some f -> @@ -557,7 +561,8 @@ Proof. intros [res' [m2' [A [B [C D]]]]]. left. exists (Returnstate s' res' m2'); split. simpl. econstructor; eauto. - eapply external_call_symbols_preserved; eauto. exact symbols_preserved. + eapply external_call_symbols_preserved; eauto. + exact symbols_preserved. exact varinfo_preserved. constructor; auto. (* returnstate *) |