Struct Operand 

pub struct Operand {
    pub reg: Reg,
    pub class: RegClass,
    pub role: Role,
    pub constraint: Constraint,
}

One operand of one instruction.

Fields

reg: Reg

The register, virtual until the allocator has run.

class: RegClass

The class it is drawn from.

role: Role

Whether the instruction reads it or writes it.

constraint: Constraint

Where it is allowed to live.

Implementations

impl Operand

pub const fn read(reg: Reg, class: RegClass) -> Self

An operand the instruction reads.

pub const fn write(reg: Reg, class: RegClass) -> Self

An operand the instruction writes as it finishes.

pub const fn write_early(reg: Reg, class: RegClass) -> Self

An operand the instruction writes before it has finished reading.

pub const fn with(self, constraint: Constraint) -> Self

The same operand, constrained.

Trait Implementations

impl Clone for Operand

fn clone(&self) -> Operand

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Operand

impl Debug for Operand

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

Formats the value using the given formatter.

impl Eq for Operand

impl PartialEq for Operand

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for Operand