307     Signed(Extend<Signed>),
308     Unsigned(Extend<Zero>),
322 pub(crate) enum Extend<T: ExtendType> {  enum
341 impl From<Extend<Zero>> for ExtendKind {
342     fn from(value: Extend<Zero>) -> Self {  in from()
347 impl<T: ExtendType> Extend<T> {  implementation
350             Extend::I32Extend8 | Extend::I64Extend8 => OperandSize::S8,  in from_size()
351             Extend::I32Extend16 | Extend::I64Extend16 => OperandSize::S16,  in from_size()
352             Extend::I64Extend32 => OperandSize::S32,  in from_size()
353             Extend::__Kind(_) => unreachable!(),  in from_size()
359             Extend::I32Extend8 | Extend::I32Extend16 => OperandSize::S32,  in to_size()
360             Extend::I64Extend8 | Extend::I64Extend16 | Extend::I64Extend32 => OperandSize::S64,  in to_size()
361             Extend::__Kind(_) => unreachable!(),  in to_size()
374 impl From<Extend<Signed>> for ExtendKind {
375     fn from(value: Extend<Signed>) -> Self {  in from()
496 impl From<ExtractLaneKind> for Extend<Signed> {  implementation
499             ExtractLaneKind::I8x16S => Extend::I32Extend8,  in from()
500             ExtractLaneKind::I16x8S => Extend::I32Extend16,  in from()
1083     pub fn extend_to<T: ExtendType>(&self, to: Self) -> Option<Extend<T>> {  in extend_to()
1086                 OperandSize::S8 => Some(Extend::I32Extend8),  in extend_to()
1087                 OperandSize::S16 => Some(Extend::I32Extend16),  in extend_to()
1091                 OperandSize::S8 => Some(Extend::I64Extend8),  in extend_to()
1092                 OperandSize::S16 => Some(Extend::I64Extend16),  in extend_to()
1093                 OperandSize::S32 => Some(Extend::I64Extend32),  in extend_to()
2065         extend: Option<Extend<Zero>>,  in atomic_rmw()
2099         extend: Option<Extend<Zero>>,  in atomic_cas()