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(************************************************************************)
(*         *   The Coq Proof Assistant / The Coq Development Team       *)
(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2019       *)
(* <O___,, *       (see CREDITS file for the list of authors)           *)
(*   \VV/  **************************************************************)
(*    //   *    This file is distributed under the terms of the         *)
(*         *     GNU Lesser General Public License Version 2.1          *)
(*         *     (see LICENSE file for the text of the license)         *)
(************************************************************************)

type t =
  | Int63head0
  | Int63tail0
  | Int63add
  | Int63sub
  | Int63mul
  | Int63div
  | Int63mod
  | Int63lsr
  | Int63lsl
  | Int63land
  | Int63lor
  | Int63lxor
  | Int63addc
  | Int63subc
  | Int63addCarryC
  | Int63subCarryC
  | Int63mulc
  | Int63diveucl
  | Int63div21
  | Int63addMulDiv
  | Int63eq
  | Int63lt
  | Int63le
  | Int63compare

val equal : t -> t -> bool

type arg_kind =
  | Kparam (* not needed for the elavuation of the primitive*)
  | Kwhnf  (* need to be reduced in whnf before reducing the primitive *)
  | Karg   (* no need to be reduced in whnf *)

type args_red = arg_kind list

val hash : t -> int

val to_string : t -> string

val arity : t -> int

val kind : t -> args_red

(** Special Entries for Register **)

type prim_ind =
  | PIT_bool
  | PIT_carry
  | PIT_pair
  | PIT_cmp

type prim_type =
  | PT_int63

type op_or_type =
  | OT_op of t
  | OT_type of prim_type

val prim_ind_to_string : prim_ind -> string
val op_or_type_to_string : op_or_type -> string