diff options
Diffstat (limited to 'backend/Cminor.v')
| -rw-r--r-- | backend/Cminor.v | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/backend/Cminor.v b/backend/Cminor.v index 910eaa44..b6186f2e 100644 --- a/backend/Cminor.v +++ b/backend/Cminor.v @@ -230,10 +230,10 @@ Definition eval_constant (sp: val) (cst: constant) : option val := Definition eval_unop (op: unary_operation) (arg: val) : option val := match op, arg with - | Ocast8unsigned, _ => Some (Val.cast8unsigned arg) - | Ocast8signed, _ => Some (Val.cast8signed arg) - | Ocast16unsigned, _ => Some (Val.cast16unsigned arg) - | Ocast16signed, _ => Some (Val.cast16signed arg) + | Ocast8unsigned, _ => Some (Val.zero_ext 8 arg) + | Ocast8signed, _ => Some (Val.sign_ext 8 arg) + | Ocast16unsigned, _ => Some (Val.zero_ext 16 arg) + | Ocast16signed, _ => Some (Val.sign_ext 16 arg) | Onegint, Vint n1 => Some (Vint (Int.neg n1)) | Onotbool, Vint n1 => Some (Val.of_bool (Int.eq n1 Int.zero)) | Onotbool, Vptr b1 n1 => Some Vfalse |