From 3a050b22f37f3c79a10a8ebae3d292fa77e91b76 Mon Sep 17 00:00:00 2001 From: xleroy Date: Sun, 23 May 2010 15:26:33 +0000 Subject: 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 --- backend/RTLgenproof.v | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'backend/RTLgenproof.v') diff --git a/backend/RTLgenproof.v b/backend/RTLgenproof.v index 92f4cc91..a96dfbfd 100644 --- a/backend/RTLgenproof.v +++ b/backend/RTLgenproof.v @@ -388,6 +388,11 @@ Proof. intro. inversion H. reflexivity. Qed. +Lemma varinfo_preserved: + forall b, Genv.find_var_info tge b = Genv.find_var_info ge b. +Proof + (Genv.find_var_info_transf_partial transl_fundef _ TRANSL). + (** Correctness of the code generated by [add_move]. *) Lemma tr_move_correct: @@ -1320,7 +1325,8 @@ Proof. monadInv TF. econstructor; split. left; 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. constructor; auto. (* return *) -- cgit