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Diffstat (limited to 'common/Values.v')
| -rw-r--r-- | common/Values.v | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/common/Values.v b/common/Values.v index b9594fc..99a994b 100644 --- a/common/Values.v +++ b/common/Values.v @@ -655,6 +655,12 @@ Definition cmpl (c: comparison) (v1 v2: val): option val := Definition cmplu (c: comparison) (v1 v2: val): option val := option_map of_bool (cmplu_bool c v1 v2). +Definition maskzero_bool (v: val) (mask: int): option bool := + match v with + | Vint n => Some (Int.eq (Int.and n mask) Int.zero) + | _ => None + end. + End COMPARISONS. (** [load_result] reflects the effect of storing a value with a given |