Struct EncodingSpec 

pub struct EncodingSpec {
    pub mnemonic: &'static str,
    pub variant: &'static str,
    pub opcode: u32,
    pub opcode_mask: u32,
    pub fields: &'static [BitFieldSpec],
    pub operand_order: &'static [u8],
    pub operand_kinds: &'static [OperandConstraintKind],
    pub implicit_defaults: &'static [ImplicitField],
    pub memory_addressing: MemoryAddressingConstraintSpec,
    pub field_scales: &'static [u16],
    pub split_immediate_plan: Option<SplitImmediatePlanSpec>,
    pub gpr32_extend_compatibility: u64,
}

Encoding metadata for a single canonical instruction variant.

Fields

mnemonic: &'static str

Lower-case mnemonic (e.g. "add").

variant: &'static str

Canonical variant ID from the source dataset.

opcode: u32

Base opcode with fixed bits already applied.

opcode_mask: u32

Mask of fixed bits in the opcode.

fields: &'static [BitFieldSpec]

Operand field list in deterministic argument order.

operand_order: &'static [u8]

Field indices, in user-facing operand order.

operand_kinds: &'static [OperandConstraintKind]

Operand class constraints, aligned with EncodingSpec::operand_order.

implicit_defaults: &'static [ImplicitField]

Implicit field defaults automatically filled during encoding.

memory_addressing: MemoryAddressingConstraintSpec

Precomputed memory addressing-mode constraint for this variant.

field_scales: &'static [u16]

Per-field immediate scaling factors (1 means no scaling).

The slice is aligned with EncodingSpec::fields indices.

split_immediate_plan: Option<SplitImmediatePlanSpec>

Precomputed split-immediate packing plan, if this variant uses one logical immediate split across two bitfields (e.g. immlo/immhi, b5/b40).

gpr32_extend_compatibility: u64

Bitset of operand slots where Gpr64Register accepts a Gpr32Register when followed by an extend operand in the same variant.

Bit n corresponds to operand slot n.

Trait Implementations

impl Clone for EncodingSpec

fn clone(&self) -> EncodingSpec

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for EncodingSpec

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for EncodingSpec

fn eq(&self, other: &EncodingSpec) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for EncodingSpec

impl Eq for EncodingSpec

impl StructuralPartialEq for EncodingSpec