avail/avail.interpreter.levelTwo.register/L2Register/RegisterKind

RegisterKind

enum RegisterKind : Enum<L2Register.RegisterKind>

One of the kinds of registers that Level Two supports.

Parameters

kindName

A descriptive name for this kind of register.

prefix

The prefix to use when naming registers of this kind.

jvmTypeString

The canonical String used to identify this Type of register to the JVM.

loadInstruction

The JVM instruction for loading.

storeInstruction

The JVM instruction for storing.

restrictionFlag

The corresponding RestrictionFlagEncoding.

Entries

FLOAT_KIND

FLOAT_KIND("float", "f", Type.DOUBLE_TYPE.descriptor, Opcodes.DLOAD, Opcodes.DSTORE, UNBOXED_FLOAT_FLAG)

The kind of register that holds a double.

INTEGER_KIND

INTEGER_KIND("int", "i", Type.INT_TYPE.descriptor, Opcodes.ILOAD, Opcodes.ISTORE, UNBOXED_INT_FLAG)

The kind of register that holds an Int.

BOXED_KIND

BOXED_KIND("boxed", "r", Type.getDescriptor(AvailObject::class.java), Opcodes.ALOAD, Opcodes.ASTORE, BOXED_FLAG)

The kind of register that holds an AvailObject.

Types

Companion

object Companion

Functions

move

fun <R : L2Register, RR : L2ReadOperand<R>, WR : L2WriteOperand<R>, RV : L2ReadVectorOperand<R, RR>> move(): L2_MOVE<R, RR, WR, RV>

Answer a suitable L2_MOVE operation for transferring values of this kind.

readOperand

abstract fun <R : L2Register, RR : L2ReadOperand<R>> readOperand( semanticValue: L2SemanticValue, restriction: TypeRestriction, register: R): RR

Answer a suitable L2ReadOperand for extracting the indicated L2SemanticValue of this kind.

Properties

jvmTypeString

val jvmTypeString: String

kindName

val kindName: String

The descriptive name of this register kind.

loadInstruction

val loadInstruction: Int

The JVM instruction that loads a register of this kind.

name

val name: String

ordinal

val ordinal: Int

prefix

val prefix: String

The prefix to use for registers of this kind.

restrictionFlag

val restrictionFlag: TypeRestriction.RestrictionFlagEncoding

The RestrictionFlagEncoding used to indicate a TypeRestriction has an available register of this kind.

storeInstruction

val storeInstruction: Int

The JVM instruction for storing.