Uses of Class
org.jikesrvm.compilers.opt.regalloc.GenericStackManager.ScratchRegister

Packages that use GenericStackManager.ScratchRegister

Package	Description
org.jikesrvm.compilers.opt.regalloc

Uses of GenericStackManager.ScratchRegister in org.jikesrvm.compilers.opt.regalloc

Fields in org.jikesrvm.compilers.opt.regalloc with type parameters of type GenericStackManager.ScratchRegister

Modifier and Type	Field and Description
protected ArrayList<GenericStackManager.ScratchRegister>	GenericStackManager.scratchInUse For each physical register, holds a ScratchRegister which records the current scratch assignment for the physical register.

Methods in org.jikesrvm.compilers.opt.regalloc that return GenericStackManager.ScratchRegister

Modifier and Type	Method and Description
private GenericStackManager.ScratchRegister	GenericStackManager.createScratchBefore(RegisterAllocatorState regAllocState, Instruction s, Register r, Register symb) Make physicals register r available to be used as a scratch register before instruction s.
private GenericStackManager.ScratchRegister	GenericStackManager.getCurrentScratchRegister(Register r, Instruction s) If there is a scratch register available which currently holds the value of symbolic register r, then return that scratch register.
private GenericStackManager.ScratchRegister	GenericStackManager.getFirstAvailableScratchRegister(Register r, Instruction s) Finds the first available register which can serve as a scratch register for symbolic register r in instruction s.
private GenericStackManager.ScratchRegister	GenericStackManager.getPhysicalScratchRegister(Register r)
private GenericStackManager.ScratchRegister	GenericStackManager.getScratchRegister(Register symb, Instruction s, boolean beCheap) Gets a scratch register to hold symbolic register symb in instruction s.
private GenericStackManager.ScratchRegister	GenericStackManager.getScratchRegisterUsingIntervals(Register r, Instruction s) Finds a register which can serve as a scratch register for symbolic register r in instruction s.
private GenericStackManager.ScratchRegister	GenericStackManager.holdInScratchAfter(Instruction s, Register symb, boolean beCheap) Inserts code as needed so that after instruction s, the value of a symbolic register will be held in a particular scratch physical register.
private GenericStackManager.ScratchRegister	GenericStackManager.moveToScratchBefore(Instruction s, Register symb, boolean beCheap) Assigns symbolic register symb to a physical register, and inserts code before instruction s to load the register from the appropriate stack location.

Methods in org.jikesrvm.compilers.opt.regalloc with parameters of type GenericStackManager.ScratchRegister

Modifier and Type	Method and Description
protected void	GenericStackManager.reloadScratchRegisterBefore(Instruction s, GenericStackManager.ScratchRegister scratch) Restores the contents of a scratch register before instruction s if necessary.
protected void	GenericStackManager.unloadScratchRegisterBefore(Instruction s, GenericStackManager.ScratchRegister scratch) Spills the contents of a scratch register to memory before instruction s.