77 lines
2.8 KiB
OCaml
77 lines
2.8 KiB
OCaml
(***********************************************************************)
|
|
(* *)
|
|
(* Caml Special Light *)
|
|
(* *)
|
|
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
|
|
(* *)
|
|
(* Copyright 1995 Institut National de Recherche en Informatique et *)
|
|
(* Automatique. Distributed only by permission. *)
|
|
(* *)
|
|
(***********************************************************************)
|
|
|
|
(* $Id$ *)
|
|
|
|
(* Processor descriptions *)
|
|
|
|
(* The Use_default exception is raised by the selection and reloading
|
|
functions to signal cases they don't handle *)
|
|
exception Use_default
|
|
|
|
(* Instruction selection *)
|
|
val select_addressing:
|
|
Cmm.expression -> Arch.addressing_mode * Cmm.expression
|
|
val select_oper:
|
|
Cmm.operation -> Cmm.expression list ->
|
|
Mach.operation * Cmm.expression list
|
|
val select_store:
|
|
Arch.addressing_mode -> Cmm.expression -> Mach.operation * Cmm.expression
|
|
val pseudoregs_for_operation:
|
|
Mach.operation -> Reg.t array -> Reg.t array ->
|
|
Reg.t array * Reg.t array
|
|
val is_immediate: int -> bool
|
|
val word_addressed: bool
|
|
|
|
(* Registers available for register allocation *)
|
|
val num_register_classes: int
|
|
val register_class: Reg.t -> int
|
|
val num_available_registers: int array
|
|
val first_available_register: int array
|
|
val register_name: int -> string
|
|
val phys_reg: int -> Reg.t
|
|
|
|
(* Calling conventions *)
|
|
val loc_arguments: Reg.t array -> Reg.t array * int
|
|
val loc_results: Reg.t array -> Reg.t array
|
|
val loc_parameters: Reg.t array -> Reg.t array
|
|
val loc_external_arguments: Reg.t array -> Reg.t array * int
|
|
val loc_external_results: Reg.t array -> Reg.t array
|
|
val loc_exn_bucket: Reg.t
|
|
|
|
(* Maximal register pressures for pre-spilling *)
|
|
|
|
val safe_register_pressure: Mach.operation -> int
|
|
val max_register_pressure: Mach.operation -> int array
|
|
|
|
(* Registers destroyed by operations *)
|
|
val destroyed_at_oper: Mach.instruction_desc -> Reg.t array
|
|
val destroyed_at_raise: Reg.t array
|
|
|
|
(* Reloading of instruction arguments, storing of instruction results *)
|
|
val reload_test:
|
|
(Reg.t -> Reg.t) -> Mach.test -> Reg.t array -> Reg.t array
|
|
val reload_operation:
|
|
(Reg.t -> Reg.t) -> Mach.operation -> Reg.t array -> Reg.t array ->
|
|
Reg.t array * Reg.t array
|
|
|
|
(* Latency info for instruction scheduling *)
|
|
val need_scheduling: bool
|
|
val oper_latency: Mach.operation -> int
|
|
|
|
(* Info for laying out the stack frame *)
|
|
val num_stack_slots: int array
|
|
val contains_calls: bool ref
|
|
|
|
(* Calling the assembler and the archiver *)
|
|
val assemble_file: string -> string -> int
|
|
val create_archive: string -> string list -> int
|