Refactoring: move definition of chunk_of_type to AST.v.

git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2238 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e

1 files changed, 10 insertions, 0 deletions

diff --git a/common/AST.v b/common/AST.v
index fb80b46..fba5354 100644
--- a/common/AST.v
+++ b/common/AST.v
@@ -115,6 +115,16 @@ Definition type_of_chunk (c: memory_chunk) : typ :=
   | Mfloat64al32 => Tfloat
   end.
 
+(** The chunk that is appropriate to store and reload a value of
+  the given type, without losing information. *)
+
+Definition chunk_of_type (ty: typ) :=
+  match ty with
+  | Tint => Mint32
+  | Tfloat => Mfloat64al32
+  | Tlong => Mint64
+  end.
+
 (** Initialization data for global variables. *)
 
 Inductive init_data: Type :=