pub const AddressSpace = enum(u5) {
    /// The places where a user can specify an address space attribute
    pub const Context = enum {
        /// A function is specified to be placed in a certain address space.
        function,
        /// A (global) variable is specified to be placed in a certain address space.
        /// In contrast to .constant, these values (and thus the address space they will be
        /// placed in) are required to be mutable.
        variable,
        /// A (global) constant value is specified to be placed in a certain address space.
        /// In contrast to .variable, values placed in this address space are not required to be mutable.
        constant,
        /// A pointer is ascripted to point into a certain address space.
        pointer,
    };

    // CPU address spaces.
    generic,
    gs,
    fs,
    ss,

    // GPU address spaces.
    global,
    constant,
    param,
    shared,
    local,
    input,
    output,
    uniform,
    push_constant,
    storage_buffer,

    // AVR address spaces.
    flash,
    flash1,
    flash2,
    flash3,
    flash4,
    flash5,

    // Propeller address spaces.

    /// This address space only addresses the cog-local ram.
    cog,

    /// This address space only addresses shared hub ram.
    hub,

    /// This address space only addresses the "lookup" ram
    lut,
}