harpoon.Backend.PreciseC
Class PGCNiftyAllocationStrategy

java.lang.Object
  harpoon.Backend.Runtime1.AllocationStrategy
      harpoon.Backend.Runtime1.MallocAllocationStrategy
          harpoon.Backend.Runtime1.NiftyAllocationStrategy
              harpoon.Backend.PreciseC.PGCNiftyAllocationStrategy

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

PGCNiftyAllocationStrategyWithStats

public class PGCNiftyAllocationStrategy
extends NiftyAllocationStrategy

PGCNiftyAllocationStrategy uses alloca() instead of NSTK_alloc to do stack allocation. Other than this, it is identical to NiftyAllocationStrategy.

Version:

$Id: PGCNiftyAllocationStrategy.java,v 1.2 2002/02/25 21:02:09 cananian Exp $

Author:

C. Scott Ananian <cananian@alumni.princeton.edu>

See Also:

Serialized Form

Field Summary

Fields inherited from class harpoon.Backend.Runtime1.MallocAllocationStrategy

frame

Constructor Summary

PGCNiftyAllocationStrategy(Frame f)
Creates a PGCNiftyAllocationStrategy.

Method Summary

Exp	memAlloc(TreeFactory tf, HCodeElement source, DerivationGenerator dg, AllocationInformation.AllocationProperties ap, Exp length) Return a Tree.Exp created with the given TreeFactory that returns a pointer to a piece of memory length bytes long.

Methods inherited from class harpoon.Backend.Runtime1.MallocAllocationStrategy

buildAllocCall, DECLARE, DECLARE

Methods inherited from class java.lang.Object

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

Constructor Detail

PGCNiftyAllocationStrategy

public PGCNiftyAllocationStrategy(Frame f)

Creates a PGCNiftyAllocationStrategy.

Method Detail

memAlloc

public Exp memAlloc(TreeFactory tf,
                    HCodeElement source,
                    DerivationGenerator dg,
                    AllocationInformation.AllocationProperties ap,
                    Exp length)

Description copied from class: AllocationStrategy

Return a Tree.Exp created with the given TreeFactory that returns a pointer to a piece of memory length bytes long.

Overrides:

memAlloc in class NiftyAllocationStrategy