[Pearcolator-devel] SF.net SVN: pearcolator: [50] src/org/binarytranslator/vmInterface/ DBT_ConvertBinaryToHIR.java

[<mic...@us...>]

Revision: 50
          http://svn.sourceforge.net/pearcolator/?rev=50&view=rev
Author:   michael_baer
Date:     2007-04-14 02:55:45 -0700 (Sat, 14 Apr 2007)

Log Message:
-----------
Removed unused DBT_ConvertBinaryToHIR

Removed Paths:
-------------
    src/org/binarytranslator/vmInterface/DBT_ConvertBinaryToHIR.java

Deleted: src/org/binarytranslator/vmInterface/DBT_ConvertBinaryToHIR.java
===================================================================
--- src/org/binarytranslator/vmInterface/DBT_ConvertBinaryToHIR.java	2007-04-14 09:35:23 UTC (rev 49)
+++ src/org/binarytranslator/vmInterface/DBT_ConvertBinaryToHIR.java	2007-04-14 09:55:45 UTC (rev 50)
@@ -1,135 +0,0 @@
-/*
- * This file is part of binarytranslator.org. The binarytranslator.org
- * project is distributed under the Common Public License (CPL).
- * A copy of the license is included in the distribution, and is also
- * available at http://www.opensource.org/licenses/cpl1.0.php
- *
- * (C) Copyright Ian Rogers, The University of Manchester 2003-2006
- */
-package org.binarytranslator.vmInterface;
-
-
-import org.jikesrvm.VM_Configuration;
-import org.jikesrvm.compilers.opt.*;
-import org.jikesrvm.compilers.opt.ir.*;
-import static org.jikesrvm.compilers.opt.ir.OPT_Operators.*;
-
-/**
- * The OPT_CompilerPhase which translates from PowerPC machine code into HIR. It
- * is used in PPC_OptimizationPlanner (in place of OPT_ConvertBCtoHIR and
- * OPT_OptimizationPlanner).
- * 
- * @author Richard Matley, Ian Rogers
- * 
- */
-public abstract class DBT_ConvertBinaryToHIR extends OPT_CompilerPhase {
-
-  public DBT_ConvertBinaryToHIR() {
-  }
-
-  /**
-   * Return a String describing this compiler phase.
-   */
-  public final String getName() {
-    return "Generate HIR from machine code";
-  }
-
-  /**
-   * Generate HIR from a block of machine code.
-   */
-  public final void perform(OPT_IR ir) {
-    OPT_GenerationContext gc = new OPT_GenerationContext(ir.method,
-        ir.compiledMethod, ir.options, ir.inlinePlan);
-    // MC2IR.generateHIR(gc);
-    generateHIR(gc);
-
-    ir.gc = gc;
-    ir.cfg = gc.cfg;
-    ir.regpool = gc.temps;
-
-    if (gc.allocFrame) {
-      ir.stackManager.forceFrameAllocation();
-    }
-
-    // ir now contains well formed HIR, we hope.
-    ir.IRStage = OPT_IR.HIR;
-    ir.HIRInfo = new OPT_HIRInfo(ir);
-    if (OPT_IR.SANITY_CHECK) {
-      ir.verify("Initial HIR", true);
-    }
-
-    if (VM_Configuration.BuildForPowerPC) {
-      eliminateConditionalMoves(ir);
-    }
-  }
-
-  protected abstract void generateHIR(OPT_GenerationContext gc);
-
-  /**
-   * Remove conditional moves
-   */
-  public static void eliminateConditionalMoves(OPT_IR ir) {
-    OPT_BasicBlock curBB = ir.gc.prologue;
-    while (curBB != null) {
-      OPT_Instruction curInstr = curBB.firstInstruction();
-      loop_over_instructions: while (BBend.conforms(curInstr) == false) {
-        if (CondMove.conforms(curInstr)
-            && (curInstr.operator() == INT_COND_MOVE)) {
-          OPT_BasicBlock compareBlock; // block containing compare instruction
-          OPT_BasicBlock trueBlock; // block containing true payload
-          OPT_BasicBlock falseBlock; // block containing false payload
-          OPT_BasicBlock restOfBlock; // the rest of the block
-
-          // Set up blocks
-          compareBlock = curBB;
-          trueBlock = new OPT_BasicBlock(0, ir.gc.inlineSequence, ir.gc.cfg);
-          falseBlock = new OPT_BasicBlock(0, ir.gc.inlineSequence, ir.gc.cfg);
-          restOfBlock = compareBlock.splitNodeAt(curInstr, ir);
-          ir.gc.cfg.linkInCodeOrder(compareBlock, falseBlock);
-          ir.gc.cfg.linkInCodeOrder(falseBlock, trueBlock);
-          ir.gc.cfg.linkInCodeOrder(trueBlock, restOfBlock);
-
-          // Set up values
-          OPT_RegisterOperand result = CondMove.getResult(curInstr);
-          OPT_Operand val1 = CondMove.getVal1(curInstr);
-          OPT_Operand val2 = CondMove.getVal2(curInstr);
-          OPT_ConditionOperand cond = CondMove.getCond(curInstr);
-          OPT_Operand trueValue = CondMove.getTrueValue(curInstr);
-          OPT_Operand falseValue = CondMove.getFalseValue(curInstr);
-
-          // Create comparison
-          OPT_Operator cmpType;
-          if (val1.isInt()) {
-            cmpType = INT_IFCMP;
-          } else if (val1.isDouble()) {
-            cmpType = DOUBLE_IFCMP;
-          } else {
-            throw new Error("Unexpected type of val1: " + val1);
-          }
-          IfCmp.mutate(curInstr, cmpType, null, val1, val2, cond, trueBlock
-              .makeJumpTarget(), OPT_BranchProfileOperand.likely());
-          compareBlock.deleteNormalOut();
-          compareBlock.insertOut(trueBlock);
-          compareBlock.insertOut(falseBlock);
-
-          // Create false code
-          falseBlock.appendInstruction(Move
-              .create(INT_MOVE, result, falseValue));
-          falseBlock.appendInstruction(Goto.create(GOTO, restOfBlock
-              .makeJumpTarget()));
-          falseBlock.insertOut(restOfBlock);
-
-          // Create true code
-          trueBlock.appendInstruction(Move.create(INT_MOVE, result, trueValue));
-          trueBlock.insertOut(restOfBlock);
-
-          // Move along
-          curBB = restOfBlock;
-          curInstr = curBB.firstInstruction();
-        }
-        curInstr = curInstr.nextInstructionInCodeOrder();
-      }
-      curBB = curBB.nextBasicBlockInCodeOrder();
-    }
-  }
-}


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