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(* *********************************************************************)
(* *)
(* The Compcert verified compiler *)
(* *)
(* Xavier Leroy, INRIA Paris *)
(* Jacques-Henri Jourdan, INRIA Paris *)
(* *)
(* 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 x86 in 64-bit mode *)
Require Import ZArith.
(*From Flocq*)
Require Import Binary Bits.
Definition ptr64 := true.
Definition big_endian := false.
Definition align_int64 := 8%Z.
Definition align_float64 := 8%Z.
Definition splitlong := negb ptr64.
Lemma splitlong_ptr32: splitlong = true -> ptr64 = false.
Proof.
unfold splitlong. destruct ptr64; simpl; congruence.
Qed.
Definition default_nan_64 : { x : binary64 | is_nan _ _ x = true } :=
exist _ (B754_nan 53 1024 true (iter_nat 51 _ xO xH) (eq_refl true)) (eq_refl true).
Definition choose_binop_pl_64 (pl1 pl2 : positive) :=
false. (**r always choose first NaN *)
Definition default_nan_32 : { x : binary32 | is_nan _ _ x = true } :=
exist _ (B754_nan 24 128 true (iter_nat 22 _ xO xH) (eq_refl true)) (eq_refl true).
Definition choose_binop_pl_32 (pl1 pl2 : positive) :=
false. (**r always choose first NaN *)
Definition fpu_returns_default_qNaN := false.
Definition float_of_single_preserves_sNaN := false.
Global Opaque ptr64 big_endian splitlong
default_nan_64 choose_binop_pl_64
default_nan_32 choose_binop_pl_32
fpu_returns_default_qNaN
float_of_single_preserves_sNaN.
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