use super::MemScope;

#[derive(Clone)]
pub enum ParsedOperand<Ident> {
    Reg(Ident),
    RegOffset(Ident, i32),
    Imm(ImmediateValue),
    VecMember(Ident, u8),
    VecPack(Vec<Ident>),
}

#[derive(Copy, Clone)]
pub enum ImmediateValue {
    U64(u64),
    S64(i64),
    F32(f32),
    F64(f64),
}

#[derive(Copy, Clone, PartialEq, Eq)]
pub enum StCacheOperator {
    Writeback,
    L2Only,
    Streaming,
    Writethrough,
}

#[derive(Copy, Clone, PartialEq, Eq)]
pub enum LdCacheOperator {
    Cached,
    L2Only,
    Streaming,
    LastUse,
    Uncached,
}



#[derive(Copy, Clone)]
pub enum ArithDetails {
    Integer(ArithInteger),
    Float(ArithFloat),
}

impl ArithDetails {
    pub fn type_(&self) -> super::ScalarType {
        match self {
            ArithDetails::Integer(t) => t.type_,
            ArithDetails::Float(arith) => arith.type_,
        }
    }
}

#[derive(Copy, Clone)]
pub struct ArithInteger {
    pub type_: super::ScalarType,
    pub saturate: bool,
}

#[derive(Copy, Clone)]
pub struct ArithFloat {
    pub type_: super::ScalarType,
    pub rounding: Option<RoundingMode>,
    pub flush_to_zero: Option<bool>,
    pub saturate: bool,
}

#[derive(Copy, Clone, PartialEq, Eq)]
pub enum LdStQualifier {
    Weak,
    Volatile,
    Relaxed(MemScope),
    Acquire(MemScope),
    Release(MemScope),
}

#[derive(PartialEq, Eq, Copy, Clone)]
pub enum RoundingMode {
    NearestEven,
    Zero,
    NegativeInf,
    PositiveInf,
}