Struct fuel_asm::Instruction

pub struct Instruction { /* private fields */ }

A version of Opcode that can be used without unnecessary branching

Implementations

impl Instruction

pub const LEN: usize = 4usize

Size of an opcode in bytes

pub const fn new(instruction: u32) -> Self

Extracts fields from a raw instruction

pub const fn op(&self) -> u8

Opcode

pub const fn ra(&self) -> RegisterId

Register A

pub const fn rb(&self) -> RegisterId

Register B

pub const fn rc(&self) -> RegisterId

Register C

pub const fn rd(&self) -> RegisterId

Register D

pub const fn imm06(&self) -> Immediate06

Immediate with 6 bits

pub const fn imm12(&self) -> Immediate12

Immediate with 12 bits

pub const fn imm18(&self) -> Immediate18

Immediate with 18 bits

pub const fn imm24(&self) -> Immediate24

Immediate with 24 bits

pub unsafe fn from_slice_unchecked(buf: &[u8]) -> Self

Create a Instruction from a slice of bytes

Safety

The caller must ensure that the slice is has at least Self::LEN bytes.

pub fn to_bytes(self) -> [u8; 4]

Convert the opcode to bytes representation

pub const fn parse_word(word: Word) -> (Instruction, Instruction)

Splits a Word into two Instruction that can be used to construct crate::Opcode

pub const fn into_inner(
    self
) -> (OpcodeRepr, RegisterId, RegisterId, RegisterId, RegisterId, Word)

Convert the instruction into its internal representation

(repr, $ra, $rb, $rc, $rd, immediate)

impl Instruction

pub fn from_bytes(bytes: &[u8]) -> Result<Self>

Available on crate feature std only.

Create a Instruction from a slice of bytes

This function will fail if the length of the bytes is smaller than Instruction::LEN.

pub fn from_bytes_iter<I>(bytes: I) -> Vec<Self>where
    I: IntoIterator<Item = u8>,

Available on crate feature std only.

Create a set of Instruction from an iterator of bytes

If not padded to Self::LEN, will consume the unaligned bytes but won’t try to parse an instruction from them.

Trait Implementations

impl<'arbitrary> Arbitrary<'arbitrary> for Instruction

fn arbitrary(u: &mut Unstructured<'arbitrary>) -> Result<Self>

Generate an arbitrary value of Self from the given unstructured data.

fn arbitrary_take_rest(u: Unstructured<'arbitrary>) -> Result<Self>

Generate an arbitrary value of Self from the entirety of the given unstructured data.

fn size_hint(depth: usize) -> (usize, Option<usize>)

Get a size hint for how many bytes out of an Unstructured this type needs to construct itself.

impl Clone for Instruction

fn clone(&self) -> Instruction

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Instruction

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

Formats the value using the given formatter.

impl Default for Instruction

fn default() -> Instruction

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Instruction

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
    __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl From<[u8; 4]> for Instruction

fn from(instruction: [u8; 4]) -> Self

Converts to this type from the input type.

impl From<Instruction> for Opcode

fn from(parsed: Instruction) -> Self

Converts to this type from the input type.

impl From<Instruction> for u32

fn from(parsed: Instruction) -> u32

Converts to this type from the input type.

impl From<InstructionResult> for Instruction

fn from(r: InstructionResult) -> Self

Converts to this type from the input type.

impl From<Opcode> for Instruction

fn from(op: Opcode) -> Self

Converts to this type from the input type.

impl From<u32> for Instruction

fn from(instruction: u32) -> Self

Converts to this type from the input type.

impl FromIterator<Instruction> for Vec<Opcode>

Available on crate feature std only.

fn from_iter<T>(iter: T) -> Selfwhere
    T: IntoIterator<Item = Instruction>,

Creates a value from an iterator.

impl FromIterator<Instruction> for Vec<u8>

Available on crate feature std only.

fn from_iter<T>(iter: T) -> Selfwhere
    T: IntoIterator<Item = Instruction>,

Creates a value from an iterator.

impl Hash for Instruction

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)where
    H: Hasher,
    Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq<Instruction> for Instruction

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

This method tests for self and other values to be equal, and is used by ==.

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

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

impl Serialize for Instruction

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>where
    __S: Serializer,

Serialize this value into the given Serde serializer.

impl Copy for Instruction

impl Eq for Instruction

impl StructuralEq for Instruction

impl StructuralPartialEq for Instruction