50 lines
2.4 KiB
OCaml
50 lines
2.4 KiB
OCaml
(**************************************************************************)
|
|
(* *)
|
|
(* OCaml *)
|
|
(* *)
|
|
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
|
|
(* *)
|
|
(* Copyright 1997 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. *)
|
|
(* *)
|
|
(**************************************************************************)
|
|
|
|
(* Instruction scheduling *)
|
|
|
|
type code_dag_node =
|
|
{ instr: Linear.instruction;
|
|
delay: int;
|
|
mutable sons: (code_dag_node * int) list;
|
|
mutable date: int;
|
|
mutable length: int;
|
|
mutable ancestors: int;
|
|
mutable emitted_ancestors: int }
|
|
|
|
class virtual scheduler_generic : object
|
|
(* Can be overridden by processor description *)
|
|
method virtual oper_issue_cycles : Mach.operation -> int
|
|
(* Number of cycles needed to issue the given operation *)
|
|
method virtual oper_latency : Mach.operation -> int
|
|
(* Number of cycles needed to complete the given operation *)
|
|
method reload_retaddr_issue_cycles : int
|
|
(* Number of cycles needed to issue a Lreloadretaddr operation *)
|
|
method reload_retaddr_latency : int
|
|
(* Number of cycles needed to complete a Lreloadretaddr operation *)
|
|
method oper_in_basic_block : Mach.operation -> bool
|
|
(* Says whether the given operation terminates a basic block *)
|
|
method is_store : Mach.operation -> bool
|
|
(* Says whether the given operation is a memory store *)
|
|
method is_load : Mach.operation -> bool
|
|
(* Says whether the given operation is a memory load *)
|
|
method is_checkbound : Mach.operation -> bool
|
|
(* Says whether the given operation is a checkbound *)
|
|
(* Entry point *)
|
|
method schedule_fundecl : Linear.fundecl -> Linear.fundecl
|
|
end
|
|
|
|
val reset : unit -> unit
|