jminusminus

Class NLIRArithmetic

java.lang.Object

jminusminus.NLIRInstruction

jminusminus.NLIRArithmetic

 class NLIRArithmetic
extends NLIRInstruction

LIR instruction corresponding to the JVM arithmetic instructions.

Field Summary

Fields inherited from class jminusminus.NLIRInstruction

block, id, lirMnemonic, reads, write

Constructor Summary

Constructors

Constructor and Description
NLIRArithmetic(NBasicBlock block, int id, int opcode, NLIRInstruction lhs, NLIRInstruction rhs) Construct an NLIRArithmetic instruction.

Method Summary

Methods

Modifier and Type	Method and Description
void	allocatePhysicalRegisters() Replace references to virtual registers in this LIR instruction with references to physical registers.
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 java.lang.Object

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

Constructor Detail

NLIRArithmetic

public NLIRArithmetic(NBasicBlock block,
              int id,
              int opcode,
              NLIRInstruction lhs,
              NLIRInstruction rhs)

Construct an NLIRArithmetic instruction.

Parameters:

block - enclosing block.

id - identifier of the instruction.

opcode - opcode for the arithmetic operator.

lhs - LIR for lhs.

rhs - LIR for rhs.

Method Detail

allocatePhysicalRegisters

public void allocatePhysicalRegisters()

Description copied from class: NLIRInstruction

Replace references to virtual registers in this LIR instruction with references to physical registers.

Overrides:

allocatePhysicalRegisters in class NLIRInstruction

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.