harpoon.Backend.Analysis
Class GCTraceStore

java.lang.Object
  harpoon.Analysis.Tree.Simplification
      harpoon.Backend.Analysis.GCTraceStore

public class GCTraceStore
extends Simplification

GCTraceStore traces stores for the purposes of garbage collection. MOVE(MEM(foo), bar) -> NATIVECALL(foo, bar) where MEM.getType() == Type.POINTER.

Author:

Wes Beebee <wbeebee@mit.edu>

Nested Class Summary

Nested classes/interfaces inherited from class harpoon.Analysis.Tree.Simplification

Simplification.Rule

Field Summary

Fields inherited from class harpoon.Analysis.Tree.Simplification

_ADD, _ALIGN, _AND, _BINOP, _CALL, _CJUMP, _CMPEQ, _CMPGE, _CMPGT, _CMPLE, _CMPLT, _CMPNE, _CONST, _CONST0, _CONST1, _CONSTm1, _CONSTNULL, _DATUM, _DIV, _ESEQ, _EXPR, _JUMP, _LABEL, _MEM, _METHOD, _MOVE, _MUL, _NAME, _NATIVECALL, _OR, _REM, _RETURN, _SEGMENT, _SEQ, _SHL, _SHR, _TEMP, _THROW, _UNOP, _USHR, _XOR

Constructor Summary

GCTraceStore()

Method Summary

HCodeFactory	codeFactory(HCodeFactory parent)
protected static Exp	DECLARE(DerivationGenerator dg, Derivation.DList dl, Exp exp) Declare a derived pointer.
protected static Exp	DECLARE(DerivationGenerator dg, HClass hc, Exp exp) Declare the type of an expression.
protected static Exp	DECLARE(DerivationGenerator dg, HClass hc, Temp t, Exp exp) Declare the type of an expression and the variable associated with it.
protected static TEMP	ref(TreeFactory tf, DerivationGenerator dg, Stm e, Temp t1)
protected static TEMP	val(TreeFactory tf, DerivationGenerator dg, Stm e, Temp t2)

Methods inherited from class harpoon.Analysis.Tree.Simplification

_KIND, _OP, codeFactory, contains, simplify

Methods inherited from class java.lang.Object

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

Constructor Detail

GCTraceStore

public GCTraceStore()

Method Detail

ref

protected static TEMP ref(TreeFactory tf,
                          DerivationGenerator dg,
                          Stm e,
                          Temp t1)

val

protected static TEMP val(TreeFactory tf,
                          DerivationGenerator dg,
                          Stm e,
                          Temp t2)

codeFactory

public HCodeFactory codeFactory(HCodeFactory parent)

DECLARE

protected static Exp DECLARE(DerivationGenerator dg,
                             HClass hc,
                             Exp exp)

Declare the type of an expression.

DECLARE

protected static Exp DECLARE(DerivationGenerator dg,
                             HClass hc,
                             Temp t,
                             Exp exp)

Declare the type of an expression and the variable associated with it.

DECLARE

protected static Exp DECLARE(DerivationGenerator dg,
                             Derivation.DList dl,
                             Exp exp)

Declare a derived pointer.