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Diffstat (limited to 'arm/Archi.v')
| -rw-r--r-- | arm/Archi.v | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arm/Archi.v b/arm/Archi.v new file mode 100644 index 0000000..e693541 --- /dev/null +++ b/arm/Archi.v @@ -0,0 +1,36 @@ +(* *********************************************************************) +(* *) +(* 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. |