diff options
Diffstat (limited to 'x86_64/Archi.v')
| -rw-r--r-- | x86_64/Archi.v | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/x86_64/Archi.v b/x86_64/Archi.v index 7b5301df..01eb36dd 100644 --- a/x86_64/Archi.v +++ b/x86_64/Archi.v @@ -17,8 +17,8 @@ (** Architecture-dependent parameters for x86 in 64-bit mode *) Require Import ZArith. -Require Import Fappli_IEEE. -Require Import Fappli_IEEE_bits. +(*From Flocq*) +Require Import Binary Bits. Definition ptr64 := true. @@ -34,21 +34,24 @@ Proof. unfold splitlong. destruct ptr64; simpl; congruence. Qed. -Program Definition default_pl_64 : bool * nan_pl 53 := - (true, iter_nat 51 _ xO xH). +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 (s1: bool) (pl1: nan_pl 53) (s2: bool) (pl2: nan_pl 53) := +Definition choose_binop_pl_64 (pl1 pl2 : positive) := false. (**r always choose first NaN *) -Program Definition default_pl_32 : bool * nan_pl 24 := - (true, iter_nat 22 _ xO xH). +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 (s1: bool) (pl1: nan_pl 24) (s2: bool) (pl2: nan_pl 24) := +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_pl_64 choose_binop_pl_64 - default_pl_32 choose_binop_pl_32 + default_nan_64 choose_binop_pl_64 + default_nan_32 choose_binop_pl_32 + fpu_returns_default_qNaN float_of_single_preserves_sNaN. |