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authorBernhard Schommer <bernhardschommer@gmail.com>2014-11-27 15:37:32 +0100
committerBernhard Schommer <bernhardschommer@gmail.com>2014-11-27 15:37:32 +0100
commit56690956f52349c3398b3de6f8ec3987501e9034 (patch)
tree5fc98e863bb41018084b2110f0ae950189a7b7d6 /backend/Constpropproof.v
parent853a40b117495ebf883593633f680cd5c92f5951 (diff)
parentc3b615f875ed2cf8418453c79c4621d2dc61b0a0 (diff)
downloadcompcert-kvx-56690956f52349c3398b3de6f8ec3987501e9034.tar.gz
compcert-kvx-56690956f52349c3398b3de6f8ec3987501e9034.zip
Merge branch 'master' into dwarf
Diffstat (limited to 'backend/Constpropproof.v')
-rw-r--r--backend/Constpropproof.v13
1 files changed, 10 insertions, 3 deletions
diff --git a/backend/Constpropproof.v b/backend/Constpropproof.v
index b79c721e..98e6e577 100644
--- a/backend/Constpropproof.v
+++ b/backend/Constpropproof.v
@@ -54,6 +54,13 @@ Proof.
apply Genv.find_symbol_transf.
Qed.
+Lemma public_preserved:
+ forall (s: ident), Genv.public_symbol tge s = Genv.public_symbol ge s.
+Proof.
+ intros; unfold ge, tge, tprog, transf_program.
+ apply Genv.public_symbol_transf.
+Qed.
+
Lemma varinfo_preserved:
forall b, Genv.find_var_info tge b = Genv.find_var_info ge b.
Proof.
@@ -510,7 +517,7 @@ Opaque builtin_strength_reduction.
left; econstructor; econstructor; split.
eapply exec_Ibuiltin. eauto.
eapply external_call_symbols_preserved; eauto.
- exact symbols_preserved. exact varinfo_preserved.
+ exact symbols_preserved. exact public_preserved. exact varinfo_preserved.
eapply match_states_succ; eauto. simpl; auto.
apply set_reg_lessdef; auto.
@@ -582,7 +589,7 @@ Opaque builtin_strength_reduction.
simpl. left; econstructor; econstructor; split.
eapply exec_function_external; eauto.
eapply external_call_symbols_preserved; eauto.
- exact symbols_preserved. exact varinfo_preserved.
+ exact symbols_preserved. exact public_preserved. exact varinfo_preserved.
constructor; auto.
(* return *)
@@ -638,7 +645,7 @@ Proof.
intros [ [n2 [s2' [A B]]] | [n2 [A [B C]]]].
exists n2; exists s2'; split; auto. left; apply plus_one; auto.
exists n2; exists s2; split; auto. right; split; auto. subst t; apply star_refl.
-- eexact symbols_preserved.
+- eexact public_preserved.
Qed.
End PRESERVATION.