harpoon.Backend.CSAHack.RegAlloc
Class RegAlloc

java.lang.Object
  harpoon.Backend.CSAHack.RegAlloc.RegAlloc

All Implemented Interfaces:

TempMap

public class RegAlloc
extends Object
implements TempMap

Register allocation module.

Version:

1.00, 25 Nov 1996

Author:

C. Scott Ananian

Constructor Summary

RegAlloc(Frame f, Code c, Instr root, DerivationGenerator dg)
Allocate the temporaries defined and used in an Assem.InstrList to machine registers defined in a Frame.

Method Summary

Temp	tempMap(Temp temp) A mapping of temporaries to registers.

Methods inherited from class java.lang.Object

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

Constructor Detail

RegAlloc

public RegAlloc(Frame f,
                Code c,
                Instr root,
                DerivationGenerator dg)

Allocate the temporaries defined and used in an Assem.InstrList to machine registers defined in a Frame. The resulting InstrList is placed in the instrs field of this class.

Parameters:

f - a machine-specific frame and register description

il - a list of instructions to be register allocated.

Method Detail

tempMap

public Temp tempMap(Temp temp)

A mapping of temporaries to registers.

Specified by:

tempMap in interface TempMap