Package jminusminus

Class NLIRStore

java.lang.Object

jminusminus.NLIRInstruction

jminusminus.NLIRStore

class NLIRStore
extends NLIRInstruction

LIR instruction representing a store from a register to memory.

Field Summary

Fields inherited from class jminusminus.NLIRInstruction

block, id, lirMnemonic, reads, write

Constructor Summary

Constructors

Constructor	Description
NLIRStore(NBasicBlock block, int id, int offset, OffsetFrom offsetFrom, NRegister register)	Constructs an NLIRStore object.

Method Summary

Modifier and Type	Method	Description
void	allocatePhysicalRegisters()	Replace references to virtual registers in this LIR instruction with references to physical registers.
void	toSpim(PrintWriter out)	Translates this LIR instruction into SPIM and writes it out to the specified output stream.
String	toString()	Returns a string representation of this instruction.

Methods inherited from class java.lang.Object

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

Constructor Details

NLIRStore

public NLIRStore(NBasicBlock block,
 int id,
 int offset,
 OffsetFrom offsetFrom,
 NRegister register)

Constructs an NLIRStore object.

Parameters:

block - enclosing block.

id - identifier of the instruction.

offset - stack offset to store to.

offsetFrom - whether offset relative to stack pointer (sp) or frame pointer (fp).

register - register to store from.

Method Details

allocatePhysicalRegisters

public void allocatePhysicalRegisters()

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)

Translates this LIR instruction into SPIM and writes it out to the specified output stream.

Overrides:

toSpim in class NLIRInstruction

Parameters:

out - output stream for SPIM code.

toString

public String toString()

Returns a string representation of this instruction.

Overrides:

toString in class NLIRInstruction

Returns:

a string representation of this instruction.