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(****************************************************************************)
(* the diy toolsuite *)
(* *)
(* Jade Alglave, University College London, UK. *)
(* Luc Maranget, INRIA Paris-Rocquencourt, France. *)
(* *)
(* Copyright 2017-present Institut National de Recherche en Informatique et *)
(* en Automatique and the authors. All rights reserved. *)
(* *)
(* This software is governed by the CeCILL-B license under French law and *)
(* abiding by the rules of distribution of free software. You can use, *)
(* modify and/ or redistribute the software under the terms of the CeCILL-B *)
(* license as circulated by CEA, CNRS and INRIA at the following URL *)
(* "http://www.cecill.info". We also give a copy in LICENSE.txt. *)
(****************************************************************************)
include Int64
let unique_zero = true
let printable c = c
let shift_right_arithmetic = Int64.shift_right
let addk x k = match k with
| 0 -> x
| 1 -> succ x
| _ -> add x (of_int k)
let machsize = MachSize.Quad
let pp hexa v =
Printf.sprintf (if hexa then "0x%Lx" else "%Li") v
let pp_unsigned hexa v =
Printf.sprintf (if hexa then "0x%Lx" else "%Lu") v
let lt v1 v2 = compare v1 v2 < 0
let le v1 v2 = compare v1 v2 <= 0
let bit_at k v = Int64.logand v (Int64.shift_left Int64.one k)
let mask sz =
let open MachSize in
match sz with
| Byte -> fun v -> logand v 0xffL
| Short -> fun v -> logand v 0xffffL
| Word -> fun v -> logand v 0xffffffffL
| Quad -> fun v -> v
| S128 -> fun v -> Warn.fatal "mask 64 bit value %s with s128 mask" (pp_unsigned true v)
let sxt sz v =
let open MachSize in
match sz with
| Quad -> v
| _ ->
let v = mask sz v in
let nb = nbits sz in
let m = shift_left one (nb-1) in
sub (logxor v m) m
let of_int64 = Misc.identity
let to_int64 = Misc.identity
let as_bool v = Some (Bool.not (Int64.equal Int64.zero v))
let s_true = one
let s_false = zero
let get_tag _ = assert false
let set_tag _ = assert false
include NoPromote
|
