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(**************************************************************************)
(* *)
(* OCaml *)
(* *)
(* Xavier Leroy, projet Gallium, INRIA Rocquencourt *)
(* *)
(* Copyright 2014 Institut National de Recherche en Informatique et *)
(* en Automatique. *)
(* *)
(* All rights reserved. This file is distributed under the terms of *)
(* the GNU Lesser General Public License version 2.1, with the *)
(* special exception on linking described in the file LICENSE. *)
(* *)
(**************************************************************************)
(* CSE for ARM *)
open Arch
open Mach
open CSEgen
class cse = object
inherit cse_generic as super
method! class_of_operation op =
match op with
| Ispecific(Ishiftcheckbound _) -> Op_checkbound
| Ispecific _ -> Op_pure
| _ -> super#class_of_operation op
method! is_cheap_operation op =
match op with
| Iconst_int n | Iconst_blockheader n -> n <= 255n && n >= 0n
| _ -> false
end
let fundecl f =
(new cse)#fundecl f
|
