diff options
Diffstat (limited to 'cfrontend/Ctypes.v')
| -rw-r--r-- | cfrontend/Ctypes.v | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/cfrontend/Ctypes.v b/cfrontend/Ctypes.v index 41d0dcb..c437a6b 100644 --- a/cfrontend/Ctypes.v +++ b/cfrontend/Ctypes.v @@ -196,6 +196,18 @@ Definition typeconv (ty: type) : type := | _ => remove_attributes ty end. +(** Default conversion for arguments to an unprototyped or variadic function. + Like [typeconv] but also converts single floats to double floats. *) + +Definition default_argument_conversion (ty: type) : type := + match ty with + | Tint (I8 | I16 | IBool) _ _ => Tint I32 Signed noattr + | Tfloat _ _ => Tfloat F64 noattr + | Tarray t sz a => Tpointer t noattr + | Tfunction _ _ _ => Tpointer ty noattr + | _ => remove_attributes ty + end. + (** * Operations over types *) (** Alignment of a type, in bytes. *) @@ -723,12 +735,3 @@ Fixpoint typlist_of_typelist (tl: typelist) : list AST.typ := Definition signature_of_type (args: typelist) (res: type) (cc: calling_convention): signature := mksignature (typlist_of_typelist args) (opttyp_of_type res) cc. -(** Like [typ_of_type], but apply default argument promotion. *) - -Definition typ_of_type_default (t: type) : AST.typ := - match t with - | Tfloat _ _ => AST.Tfloat - | Tlong _ _ => AST.Tlong - | _ => AST.Tint - end. - |