jminusminus

Class NLIRReturn

java.lang.Object

jminusminus.NLIRInstruction

jminusminus.NLIRReturn

 class NLIRReturn
extends NLIRInstruction

HIR instruction representing a JVM return instruction.

Field Summary

Fields

Modifier and Type	Field and Description
int	opcode JVM opcode for the return instruction.

Fields inherited from class jminusminus.NLIRInstruction

block, id, lirMnemonic, reads, write

Constructor Summary

Constructors

Constructor and Description
NLIRReturn(NBasicBlock block, int id, int opcode, NPhysicalRegister result) Construct an NLIRReturn instruction.

Method Summary

Methods

Modifier and Type	Method and Description
void	toSpim(PrintWriter out) Translate this LIR instruction into SPIM and write it out to the specified output stream.
String	toString() Return a string representation of this instruction.

Methods inherited from class jminusminus.NLIRInstruction

allocatePhysicalRegisters

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

opcode

public int opcode

JVM opcode for the return instruction.

Constructor Detail

NLIRReturn

public NLIRReturn(NBasicBlock block,
          int id,
          int opcode,
          NPhysicalRegister result)

Construct an NLIRReturn instruction.

Parameters:

block - enclosing block.

id - identifier of the instruction.

opcode - JVM opcode for the return instruction.

result - physical register storing return value, or null.

Method Detail

toSpim

public void toSpim(PrintWriter out)

Description copied from class: NLIRInstruction

Translate this LIR instruction into SPIM and write it out to the specified output stream.

Overrides:

toSpim in class NLIRInstruction

Parameters:

out - output stream for SPIM code.

toString

public String toString()

Description copied from class: NLIRInstruction

Return a string representation of this instruction.

Overrides:

toString in class NLIRInstruction

Returns:

string representation of this instruction.