ocaml/asmcomp/sparc/CSE.ml

32 lines
1.1 KiB
OCaml

(***********************************************************************)
(* *)
(* 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 Q Public License version 1.0. *)
(* *)
(***********************************************************************)
(* CSE for Sparc *)
open Mach
open CSEgen
class cse = object (self)
inherit cse_generic (* as super *)
method! is_cheap_operation op =
match op with
| Iconst_int n | Iconst_blockheader n -> n <= 4095n && n >= -4096n
| _ -> false
end
let fundecl f =
(new cse)#fundecl f