diff options
author | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2010-05-23 15:26:33 +0000 |
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committer | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2010-05-23 15:26:33 +0000 |
commit | 3a050b22f37f3c79a10a8ebae3d292fa77e91b76 (patch) | |
tree | 16a0d9366f6805cfc9726c0b80dd8da84cb63a3d /backend/Tunnelingproof.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/Tunnelingproof.v')
-rw-r--r-- | backend/Tunnelingproof.v | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/backend/Tunnelingproof.v b/backend/Tunnelingproof.v index 3f0a27d..774ce85 100644 --- a/backend/Tunnelingproof.v +++ b/backend/Tunnelingproof.v @@ -160,6 +160,10 @@ Lemma symbols_preserved: Genv.find_symbol tge id = Genv.find_symbol ge id. Proof (@Genv.find_symbol_transf _ _ _ tunnel_fundef p). +Lemma varinfo_preserved: + forall b, Genv.find_var_info tge b = Genv.find_var_info ge b. +Proof (@Genv.find_var_info_transf _ _ _ tunnel_fundef p). + Lemma sig_preserved: forall f, funsig (tunnel_fundef f) = funsig f. Proof. @@ -335,7 +339,8 @@ Proof. (* external function *) simpl. left; econstructor; split. 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. simpl. econstructor; eauto. (* return *) inv H3. inv H1. |