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authorxleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e>2009-08-18 06:19:46 +0000
committerxleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e>2009-08-18 06:19:46 +0000
commit24a8dbb62e8171f3f3ad87e8d3f697e726df0e6a (patch)
treecea508ab113778dd3918e98f49d371359dbbbc34
parentf43399e0eb0704e270e25fdada770725f58635ed (diff)
downloadcompcert-24a8dbb62e8171f3f3ad87e8d3f697e726df0e6a.tar.gz
compcert-24a8dbb62e8171f3f3ad87e8d3f697e726df0e6a.zip
"val_match_approx_increasing" moved from mach-dep part to mach-indep part.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1128 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
-rw-r--r--arm/ConstpropOpproof.v11
-rw-r--r--backend/Constpropproof.v11
-rw-r--r--powerpc/ConstpropOpproof.v11
3 files changed, 11 insertions, 22 deletions
diff --git a/arm/ConstpropOpproof.v b/arm/ConstpropOpproof.v
index 70fc606c..bb9caffb 100644
--- a/arm/ConstpropOpproof.v
+++ b/arm/ConstpropOpproof.v
@@ -47,17 +47,6 @@ Definition val_match_approx (a: approx) (v: val) : Prop :=
| _ => False
end.
-Lemma val_match_approx_increasing:
- forall a1 a2 v,
- Approx.ge a1 a2 -> val_match_approx a2 v -> val_match_approx a1 v.
-Proof.
- intros until v.
- intros [A|[B|C]].
- subst a1. simpl. auto.
- subst a2. simpl. tauto.
- subst a2. auto.
-Qed.
-
Inductive val_list_match_approx: list approx -> list val -> Prop :=
| vlma_nil:
val_list_match_approx nil nil
diff --git a/backend/Constpropproof.v b/backend/Constpropproof.v
index e628d426..dadb192f 100644
--- a/backend/Constpropproof.v
+++ b/backend/Constpropproof.v
@@ -47,6 +47,17 @@ Proof.
unfold Approx.top, val_match_approx. auto.
Qed.
+Lemma val_match_approx_increasing:
+ forall a1 a2 v,
+ Approx.ge a1 a2 -> val_match_approx ge a2 v -> val_match_approx ge a1 v.
+Proof.
+ intros until v.
+ intros [A|[B|C]].
+ subst a1. simpl. auto.
+ subst a2. simpl. tauto.
+ subst a2. auto.
+Qed.
+
Lemma regs_match_approx_increasing:
forall a1 a2 rs,
D.ge a1 a2 -> regs_match_approx a2 rs -> regs_match_approx a1 rs.
diff --git a/powerpc/ConstpropOpproof.v b/powerpc/ConstpropOpproof.v
index c9d77143..0c7be7bd 100644
--- a/powerpc/ConstpropOpproof.v
+++ b/powerpc/ConstpropOpproof.v
@@ -47,17 +47,6 @@ Definition val_match_approx (a: approx) (v: val) : Prop :=
| _ => False
end.
-Lemma val_match_approx_increasing:
- forall a1 a2 v,
- Approx.ge a1 a2 -> val_match_approx a2 v -> val_match_approx a1 v.
-Proof.
- intros until v.
- intros [A|[B|C]].
- subst a1. simpl. auto.
- subst a2. simpl. tauto.
- subst a2. auto.
-Qed.
-
Inductive val_list_match_approx: list approx -> list val -> Prop :=
| vlma_nil:
val_list_match_approx nil nil