harpoon.Analysis.PreciseGC
Class WriteBarrierTreePass

java.lang.Object
  |
  +--harpoon.Analysis.Tree.Simplification
        |
        +--harpoon.Analysis.PreciseGC.WriteBarrierTreePass

public abstract class WriteBarrierTreePass
extends Simplification

WriteBarrierTreePass performs some low-level transformations to the output of WriteBarrierQuadPass which cannot be done in the quad form on which WriteBarrierQuadPass operates. >WriteBarrierTreePass works on tree form.

This pass is invoked by WriteBarrierQuadPass.treeCodeFactory().

Version:
$Id: WriteBarrierTreePass.java,v 1.3 2002/02/26 22:41:32 cananian Exp $
Author:
Karen Zee <kkz@tmi.lcs.mit.edu>

Nested Class Summary
 
Nested classes 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
 
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