(************************************************************************)
(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
(*   \VV/  **************************************************************)
(*    //   *      This file is distributed under the terms of the       *)
(*         *       GNU Lesser General Public License Version 2.1        *)
(************************************************************************)

type t =
  | Int31head0
  | Int31tail0
  | Int31add
  | Int31sub
  | Int31mul
  | Int31div
  | Int31mod
(*
  | Int31lsr
  | Int31lsl
 *)
  | Int31land
  | Int31lor
  | Int31lxor
  | Int31addc
  | Int31subc
  | Int31addcarryc
  | Int31subcarryc
  | Int31mulc
  | Int31diveucl
  | Int31div21
  | Int31addmuldiv
  | Int31eq
  | Int31lt
  | Int31le
  | Int31compare

val hash : t -> int

val to_string : t -> string