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Java example source code file (c1_Canonicalizer.hpp)

This example Java source code file (c1_Canonicalizer.hpp) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

assert, base, compilation, constant, floatconstant, instruction, invoke, newmultiarray, profilecall, profileinvoke, runtimecall, share_vm_c1_c1_canonicalizer_hpp, shiftop, value

The c1_Canonicalizer.hpp Java example source code

/*
 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

#ifndef SHARE_VM_C1_C1_CANONICALIZER_HPP
#define SHARE_VM_C1_C1_CANONICALIZER_HPP

#include "c1/c1_Instruction.hpp"

class Canonicalizer: InstructionVisitor {
 private:
  Compilation *_compilation;
  Instruction* _canonical;
  int _bci;

  Compilation *compilation()                     { return _compilation; }
  void set_canonical(Value x);
  void set_bci(int bci)                          { _bci = bci; }
  void set_constant(jint x)                      { set_canonical(new Constant(new IntConstant(x))); }
  void set_constant(jlong x)                     { set_canonical(new Constant(new LongConstant(x))); }
  void set_constant(jfloat x)                    { set_canonical(new Constant(new FloatConstant(x))); }
  void set_constant(jdouble x)                   { set_canonical(new Constant(new DoubleConstant(x))); }
  void move_const_to_right(Op2* x);
  void do_Op2(Op2* x);
  void do_UnsafeRawOp(UnsafeRawOp* x);

  void unsafe_raw_match(UnsafeRawOp* x,
                        Instruction** base,
                        Instruction** index,
                        int* scale);

 public:
  Canonicalizer(Compilation* c, Value x, int bci) : _compilation(c), _canonical(x), _bci(bci) {
    NOT_PRODUCT(x->set_printable_bci(bci));
    if (CanonicalizeNodes) x->visit(this);
  }
  Value canonical() const                        { return _canonical; }
  int bci() const                                { return _bci; }

  virtual void do_Phi            (Phi*             x);
  virtual void do_Constant       (Constant*        x);
  virtual void do_Local          (Local*           x);
  virtual void do_LoadField      (LoadField*       x);
  virtual void do_StoreField     (StoreField*      x);
  virtual void do_ArrayLength    (ArrayLength*     x);
  virtual void do_LoadIndexed    (LoadIndexed*     x);
  virtual void do_StoreIndexed   (StoreIndexed*    x);
  virtual void do_NegateOp       (NegateOp*        x);
  virtual void do_ArithmeticOp   (ArithmeticOp*    x);
  virtual void do_ShiftOp        (ShiftOp*         x);
  virtual void do_LogicOp        (LogicOp*         x);
  virtual void do_CompareOp      (CompareOp*       x);
  virtual void do_IfOp           (IfOp*            x);
  virtual void do_IfInstanceOf   (IfInstanceOf*    x);
  virtual void do_Convert        (Convert*         x);
  virtual void do_NullCheck      (NullCheck*       x);
  virtual void do_TypeCast       (TypeCast*        x);
  virtual void do_Invoke         (Invoke*          x);
  virtual void do_NewInstance    (NewInstance*     x);
  virtual void do_NewTypeArray   (NewTypeArray*    x);
  virtual void do_NewObjectArray (NewObjectArray*  x);
  virtual void do_NewMultiArray  (NewMultiArray*   x);
  virtual void do_CheckCast      (CheckCast*       x);
  virtual void do_InstanceOf     (InstanceOf*      x);
  virtual void do_MonitorEnter   (MonitorEnter*    x);
  virtual void do_MonitorExit    (MonitorExit*     x);
  virtual void do_Intrinsic      (Intrinsic*       x);
  virtual void do_BlockBegin     (BlockBegin*      x);
  virtual void do_Goto           (Goto*            x);
  virtual void do_If             (If*              x);
  virtual void do_TableSwitch    (TableSwitch*     x);
  virtual void do_LookupSwitch   (LookupSwitch*    x);
  virtual void do_Return         (Return*          x);
  virtual void do_Throw          (Throw*           x);
  virtual void do_Base           (Base*            x);
  virtual void do_OsrEntry       (OsrEntry*        x);
  virtual void do_ExceptionObject(ExceptionObject* x);
  virtual void do_RoundFP        (RoundFP*         x);
  virtual void do_UnsafeGetRaw   (UnsafeGetRaw*    x);
  virtual void do_UnsafePutRaw   (UnsafePutRaw*    x);
  virtual void do_UnsafeGetObject(UnsafeGetObject* x);
  virtual void do_UnsafePutObject(UnsafePutObject* x);
  virtual void do_UnsafeGetAndSetObject(UnsafeGetAndSetObject* x);
  virtual void do_UnsafePrefetchRead (UnsafePrefetchRead*  x);
  virtual void do_UnsafePrefetchWrite(UnsafePrefetchWrite* x);
  virtual void do_ProfileCall    (ProfileCall*     x);
  virtual void do_ProfileReturnType (ProfileReturnType*  x);
  virtual void do_ProfileInvoke  (ProfileInvoke*   x);
  virtual void do_RuntimeCall    (RuntimeCall*     x);
  virtual void do_MemBar         (MemBar*          x);
  virtual void do_RangeCheckPredicate(RangeCheckPredicate* x);
#ifdef ASSERT
  virtual void do_Assert         (Assert*          x);
#endif
};

#endif // SHARE_VM_C1_C1_CANONICALIZER_HPP

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