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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 32-bit mode *)
+
+From Flocq Require Import Binary Bits.
+Require Import ZArith List.
+
+Definition ptr64 := false.
+
+Definition big_endian := false.
+
+Definition align_int64 := 4%Z.
+Definition align_float64 := 4%Z.
+
+Definition splitlong := false.
+
+Definition default_nan_64 := (true, iter_nat 51 _ xO xH).
+Definition default_nan_32 := (true, iter_nat 22 _ xO xH).
+
+(* Always choose the first NaN argument, if any *)
+
+Definition choose_nan_64 (l: list (bool * positive)) : bool * positive :=
+  match l with nil => default_nan_64 | n :: _ => n end.
+
+Definition choose_nan_32 (l: list (bool * positive)) : bool * positive :=
+  match l with nil => default_nan_32 | n :: _ => n end.
+
+Lemma choose_nan_64_idem: forall n,
+  choose_nan_64 (n :: n :: nil) = choose_nan_64 (n :: nil).
+Proof. auto. Qed.
+
+Lemma choose_nan_32_idem: forall n,
+  choose_nan_32 (n :: n :: nil) = choose_nan_32 (n :: nil).
+Proof. auto. Qed.
+
+Definition fma_order {A: Type} (x y z: A) := (x, y, z).
+
+Definition fma_invalid_mul_is_nan := false.
+
+Definition float_of_single_preserves_sNaN := false.
+
+Global Opaque ptr64 big_endian splitlong
+              default_nan_64 choose_nan_64
+              default_nan_32 choose_nan_32
+              fma_order fma_invalid_mul_is_nan
+              float_of_single_preserves_sNaN.