Struct cranelift_codegen::machinst::adapter::TargetIsaAdapter

pub struct TargetIsaAdapter { /* fields omitted */ }

A wrapper around a MachBackend that provides a TargetIsa impl.

Implementations

impl TargetIsaAdapter

pub fn new<B: MachBackend + Send + Sync + 'static>(
    backend: B
) -> TargetIsaAdapter

Create a new TargetIsa wrapper around a MachBackend.

Trait Implementations

impl Display for TargetIsaAdapter

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

Formats the value using the given formatter.

impl TargetIsa for TargetIsaAdapter

fn emit_function_to_memory(
    &self,
    _func: &Function,
    _sink: &mut MemoryCodeSink<'_>
)

Emit a whole function into memory.

fn name(&self) -> &'static str

Get the name of this ISA.

fn triple(&self) -> &Triple

Get the target triple that was used to make this trait object.

fn flags(&self) -> &Flags

Get the ISA-independent flags that were used to make this trait object.

fn isa_flags(&self) -> Vec<Value>

Get the ISA-dependent flag values that were used to make this trait object.

fn variant(&self) -> BackendVariant

Get the variant of this ISA (Legacy or MachInst).

fn hash_all_flags(&self, hasher: &mut dyn Hasher)

Hashes all flags, both ISA-independent and ISA-specific, into the specified hasher.

fn register_info(&self) -> RegInfo

Get a data structure describing the registers in this ISA.

fn legal_encodings<'a>(
    &'a self,
    _func: &'a Function,
    _inst: &'a InstructionData,
    _ctrl_typevar: Type
) -> Encodings<'a>

Returns an iterator over legal encodings for the instruction.

fn encode(
    &self,
    _func: &Function,
    _inst: &InstructionData,
    _ctrl_typevar: Type
) -> Result<Encoding, Legalize>

Encode an instruction after determining it is legal.

fn encoding_info(&self) -> EncInfo

Get a data structure describing the instruction encodings in this ISA.

fn legalize_signature(&self, _sig: &mut Cow<'_, Signature>, _current: bool)

Legalize a function signature.

fn regclass_for_abi_type(&self, _ty: Type) -> RegClass

Get the register class that should be used to represent an ABI argument or return value of type ty. This should be the top-level register class that contains the argument registers.

fn allocatable_registers(&self, _func: &Function) -> RegisterSet

Get the set of allocatable registers that can be used when compiling func.

fn prologue_epilogue(&self, _func: &mut Function) -> CodegenResult<()>

Compute the stack layout and insert prologue and epilogue code into func.

fn get_mach_backend(&self) -> Option<&dyn MachBackend>

Get the new-style MachBackend, if this is an adapter around one.

fn unsigned_add_overflow_condition(&self) -> IntCC

IntCC condition for Unsigned Addition Overflow (Carry).

fn unsigned_sub_overflow_condition(&self) -> IntCC

IntCC condition for Unsigned Subtraction Overflow (Borrow/Carry).

fn create_systemv_cie(&self) -> Option<CommonInformationEntry>

Creates a new System V Common Information Entry for the ISA.

fn map_regalloc_reg_to_dwarf(&self, r: Reg) -> Result<u16, RegisterMappingError>

Map a regalloc::Reg to its corresponding DWARF register.

fn as_any(&self) -> &dyn Any

Return an Any reference for downcasting to the ISA-specific implementation of this trait with isa.as_any().downcast_ref::<isa::foo::Isa>().

fn default_call_conv(&self) -> CallConv

Get the default calling convention of this target.

fn endianness(&self) -> Endianness

Get the endianness of this ISA.

fn pointer_type(&self) -> Type

Get the pointer type of this ISA.

fn pointer_width(&self) -> PointerWidth

Get the width of pointers on this ISA.

fn pointer_bits(&self) -> u8

Get the width of pointers on this ISA, in units of bits.

fn pointer_bytes(&self) -> u8

Get the width of pointers on this ISA, in units of bytes.

fn frontend_config(&self) -> TargetFrontendConfig

Get the information needed by frontends producing Cranelift IR.

fn uses_cpu_flags(&self) -> bool

Does the CPU implement scalar comparisons using a CPU flags register?

fn uses_complex_addresses(&self) -> bool

Does the CPU implement multi-register addressing?

fn map_dwarf_register(&self, _: RegUnit) -> Result<u16, RegisterMappingError>

Map a Cranelift register to its corresponding DWARF register.

fn unwind_info_kind(&self) -> UnwindInfoKind

Returns the flavor of unwind information emitted for this target.

fn create_unwind_info(
    &self,
    _func: &Function
) -> CodegenResult<Option<UnwindInfo>>

Creates unwind information for the function.