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(* *********************************************************************)
(* *)
(* The Compcert verified compiler *)
(* *)
(* Xavier Leroy, INRIA Paris-Rocquencourt *)
(* Jacques-Henri Jourdan, INRIA Paris-Rocquencourt *)
(* *)
(* Copyright Institut National de Recherche en Informatique et en *)
(* Automatique. All rights reserved. This file is distributed *)
(* under the terms of the GNU General Public License as published by *)
(* the Free Software Foundation, either version 2 of the License, or *)
(* (at your option) any later version. This file is also distributed *)
(* under the terms of the INRIA Non-Commercial License Agreement. *)
(* *)
(* *********************************************************************)
(** Architecture-dependent parameters for ARM *)
Require Import ZArith.
Require Import Fappli_IEEE.
Require Import Fappli_IEEE_bits.
Definition big_endian := false.
Notation align_int64 := 8%Z (only parsing).
Notation align_float64 := 8%Z (only parsing).
Program Definition default_pl : bool * nan_pl 53 := (false, nat_iter 51 xO xH).
Definition choose_binop_pl (s1: bool) (pl1: nan_pl 53) (s2: bool) (pl2: nan_pl 53) :=
(** Choose second NaN if pl2 is sNaN but pl1 is qNan.
In all other cases, choose first NaN *)
(Pos.testbit (proj1_sig pl1) 51 &&
negb (Pos.testbit (proj1_sig pl2) 51))%bool.
Global Opaque big_endian default_pl choose_binop_pl.
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