diff options
Diffstat (limited to 'arm')
-rw-r--r-- | arm/Archi.v | 2 | ||||
-rw-r--r-- | arm/Op.v | 11 |
2 files changed, 10 insertions, 3 deletions
diff --git a/arm/Archi.v b/arm/Archi.v index 16d6c71d..738341cc 100644 --- a/arm/Archi.v +++ b/arm/Archi.v @@ -97,3 +97,5 @@ Parameter abi: abi_kind. (** Whether instructions added with Thumb2 are supported. True for ARMv6T2 and above. *) Parameter thumb2_support: bool. + +Definition has_notrap_loads := false. @@ -531,14 +531,19 @@ Definition is_trapping_op (op : operation) := end. +Definition args_of_operation op := + if eq_operation op Omove + then 1%nat + else List.length (fst (type_of_operation op)). + Lemma is_trapping_op_sound: forall op vl sp m, - op <> Omove -> is_trapping_op op = false -> - (List.length vl) = (List.length (fst (type_of_operation op))) -> + (List.length vl) = args_of_operation op -> eval_operation genv sp op vl m <> None. Proof. - destruct op; intros; simpl in *; try congruence. + unfold args_of_operation. + destruct op; destruct eq_operation; intros; simpl in *; try congruence. all: try (destruct vl as [ | vh1 vl1]; try discriminate). all: try (destruct vl1 as [ | vh2 vl2]; try discriminate). all: try (destruct vl2 as [ | vh3 vl3]; try discriminate). |