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-rw-r--r--backend/Allocproof.v16
1 files changed, 12 insertions, 4 deletions
diff --git a/backend/Allocproof.v b/backend/Allocproof.v
index 588a674e..2612ebf2 100644
--- a/backend/Allocproof.v
+++ b/backend/Allocproof.v
@@ -1453,6 +1453,14 @@ Proof.
exact TRANSF.
Qed.
+Lemma public_preserved:
+ forall (s: ident), Genv.public_symbol tge s = Genv.public_symbol ge s.
+Proof.
+ intro. unfold ge, tge.
+ apply Genv.public_symbol_transf_partial with transf_fundef.
+ exact TRANSF.
+Qed.
+
Lemma varinfo_preserved:
forall b, Genv.find_var_info tge b = Genv.find_var_info ge b.
Proof.
@@ -2016,7 +2024,7 @@ Proof.
eapply star_trans. eexact A1.
eapply star_left. econstructor.
econstructor. unfold reglist. eapply external_call_symbols_preserved; eauto.
- exact symbols_preserved. exact varinfo_preserved.
+ exact symbols_preserved. exact public_preserved. exact varinfo_preserved.
instantiate (1 := vl'); auto.
instantiate (1 := ls2); auto.
eapply star_right. eexact A3.
@@ -2038,7 +2046,7 @@ Proof.
eapply star_two. econstructor.
eapply external_call_symbols_preserved' with (ge1 := ge).
econstructor; eauto.
- exact symbols_preserved. exact varinfo_preserved.
+ exact symbols_preserved. exact public_preserved. exact varinfo_preserved.
eauto. constructor. eauto. eauto. traceEq.
exploit satisf_successors. eauto. eauto. simpl; eauto. eauto.
eapply satisf_undef_reg with (r := res).
@@ -2133,7 +2141,7 @@ Proof.
apply plus_one. econstructor; eauto.
eapply external_call_symbols_preserved' with (ge1 := ge).
econstructor; eauto.
- exact symbols_preserved. exact varinfo_preserved.
+ exact symbols_preserved. exact public_preserved. exact varinfo_preserved.
econstructor; eauto. simpl.
replace (map
(Locmap.setlist (map R (loc_result (ef_sig ef)))
@@ -2204,7 +2212,7 @@ Theorem transf_program_correct:
Proof.
set (ms := fun s s' => wt_state s /\ match_states s s').
eapply forward_simulation_plus with (match_states := ms).
-- exact symbols_preserved.
+- exact public_preserved.
- intros. exploit initial_states_simulation; eauto. intros [st2 [A B]].
exists st2; split; auto. split; auto.
apply wt_initial_state with (p := prog); auto. exact wt_prog.