From b2171eb8e6af1d0a19bd42fb455fccc7e9f34fe9 Mon Sep 17 00:00:00 2001 From: David Monniaux Date: Wed, 25 Nov 2020 15:03:55 +0100 Subject: cond_valid_pointer_eq --- x86/Op.v | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'x86') diff --git a/x86/Op.v b/x86/Op.v index 776f9495..e7c910c2 100644 --- a/x86/Op.v +++ b/x86/Op.v @@ -1037,6 +1037,16 @@ Proof. auto. Qed. +Lemma cond_valid_pointer_eq: + forall cond args m1 m2, + (forall b z, Mem.valid_pointer m1 b z = Mem.valid_pointer m2 b z) -> + eval_condition cond args m1 = eval_condition cond args m2. +Proof. + intros until m2. intro MEM. destruct cond eqn:COND; simpl; try congruence. + all: repeat (destruct args; simpl; try congruence); + erewrite cmpu_bool_valid_pointer_eq || erewrite cmplu_bool_valid_pointer_eq; eauto. +Qed. + Lemma op_valid_pointer_eq: forall (F V: Type) (ge: Genv.t F V) sp op args m1 m2, (forall b z, Mem.valid_pointer m1 b z = Mem.valid_pointer m2 b z) -> -- cgit