RegSpillListElement (Jikes RVM API)

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org.jikesrvm.compilers.opt.ir
Class RegSpillListElement

java.lang.Object
  org.jikesrvm.compilers.opt.ir.RegSpillListElement

public class RegSpillListElement
extends Object
extends Object

A class to hold each element in the GCIRMap

Field Summary
`private Register`	`symbolicReg` this should be a symbolic register
`private int`	`value` this could be either a spill or a real reg number

Constructor Summary
`RegSpillListElement(Register symbolicReg)` Constructor

Method Summary
`int`	`getRealRegNumber()` returns the real (physical) register associated with this object
`int`	`getSpill()` returns the spill value associated with this object
`Register`	`getSymbolicReg()` returns the symbolic register associated with this object
`boolean`	`isSpill()` Is this a spill?
`void`	`setRealReg(Register reg)` Sets the real (i.e., physical) register component associated with this object
`void`	`setSpill(int value)` Sets the spill component associated with this object
`String`	`toString()` return a string version of this object

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Field Detail

symbolicReg

private final Register symbolicReg

this should be a symbolic register

value

private int value

this could be either a spill or a real reg number

Constructor Detail

RegSpillListElement

public RegSpillListElement(Register symbolicReg)

Constructor

Parameters:: symbolicReg - the symbolic register holding the reference

Method Detail

setSpill

public final void setSpill(int value)

Sets the spill component associated with this object

Parameters:: value - the spill value

setRealReg

public final void setRealReg(Register reg)

Sets the real (i.e., physical) register component associated with this object

Parameters:: reg - the real (physical) register

isSpill

public final boolean isSpill()

Is this a spill?

Returns:: whether this is a spill

getSymbolicReg

public final Register getSymbolicReg()

returns the symbolic register associated with this object

Returns:: the symbolic register associated with this object

getRealRegNumber

public final int getRealRegNumber()

returns the real (physical) register associated with this object

Returns:: the real (physical) register associated with this object

getSpill

public final int getSpill()

returns the spill value associated with this object

Returns:: the spill value associated with this object

toString

public String toString()

return a string version of this object

Overrides:: toString in class Object

Returns:: string version of this object