/*+
−
 * Copyright (c) 2015, 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_OPTO_INTRINSICNODE_HPP+
−
#define SHARE_VM_OPTO_INTRINSICNODE_HPP+
−
+
−
#include "opto/node.hpp"+
−
#include "opto/opcodes.hpp"+
−
+
−
+
−
//----------------------PartialSubtypeCheckNode--------------------------------+
−
// The 2nd slow-half of a subtype check.  Scan the subklass's 2ndary superklass+
−
// array for an instance of the superklass.  Set a hidden internal cache on a+
−
// hit (cache is checked with exposed code in gen_subtype_check()).  Return+
−
// not zero for a miss or zero for a hit.+
−
class PartialSubtypeCheckNode : public Node {+
−
 public:+
−
  PartialSubtypeCheckNode(Node* c, Node* sub, Node* super) : Node(c,sub,super) {}+
−
  virtual int Opcode() const;+
−
  virtual const Type* bottom_type() const { return TypeRawPtr::BOTTOM; }+
−
  virtual uint ideal_reg() const { return Op_RegP; }+
−
};+
−
+
−
//------------------------------StrIntrinsic-------------------------------+
−
// Base class for Ideal nodes used in String intrinsic code.+
−
class StrIntrinsicNode: public Node {+
−
 public:+
−
  // Possible encodings of the two parameters passed to the string intrinsic.+
−
  // 'L' stands for Latin1 and 'U' stands for UTF16. For example, 'LU' means that+
−
  // the first string is Latin1 encoded and the second string is UTF16 encoded.+
−
  typedef enum ArgEncoding { LL, LU, UL, UU, none } ArgEnc;+
−
+
−
 protected:+
−
  // Encoding of strings. Used to select the right version of the intrinsic.+
−
  const ArgEncoding _encoding;+
−
  virtual uint size_of() const;+
−
+
−
 public:+
−
  StrIntrinsicNode(Node* control, Node* char_array_mem,+
−
                   Node* s1, Node* c1, Node* s2, Node* c2, ArgEncoding encoding):+
−
  Node(control, char_array_mem, s1, c1, s2, c2), _encoding(encoding) {+
−
  }+
−
+
−
  StrIntrinsicNode(Node* control, Node* char_array_mem,+
−
                   Node* s1, Node* s2, Node* c, ArgEncoding encoding):+
−
  Node(control, char_array_mem, s1, s2, c), _encoding(encoding) {+
−
  }+
−
+
−
  StrIntrinsicNode(Node* control, Node* char_array_mem,+
−
                   Node* s1, Node* s2, ArgEncoding encoding):+
−
  Node(control, char_array_mem, s1, s2), _encoding(encoding) {+
−
  }+
−
+
−
  virtual bool depends_only_on_test() const { return false; }+
−
  virtual const TypePtr* adr_type() const { return TypeAryPtr::BYTES; }+
−
  virtual uint match_edge(uint idx) const;+
−
  virtual uint ideal_reg() const { return Op_RegI; }+
−
  virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);+
−
  virtual const Type* Value(PhaseGVN* phase) const;+
−
  ArgEncoding encoding() const { return _encoding; }+
−
};+
−
+
−
//------------------------------StrComp-------------------------------------+
−
class StrCompNode: public StrIntrinsicNode {+
−
 public:+
−
  StrCompNode(Node* control, Node* char_array_mem,+
−
              Node* s1, Node* c1, Node* s2, Node* c2, ArgEncoding encoding):+
−
  StrIntrinsicNode(control, char_array_mem, s1, c1, s2, c2, encoding) {};+
−
  virtual int Opcode() const;+
−
  virtual const Type* bottom_type() const { return TypeInt::INT; }+
−
};+
−
+
−
//------------------------------StrEquals-------------------------------------+
−
class StrEqualsNode: public StrIntrinsicNode {+
−
 public:+
−
  StrEqualsNode(Node* control, Node* char_array_mem,+
−
                Node* s1, Node* s2, Node* c, ArgEncoding encoding):+
−
  StrIntrinsicNode(control, char_array_mem, s1, s2, c, encoding) {};+
−
  virtual int Opcode() const;+
−
  virtual const Type* bottom_type() const { return TypeInt::BOOL; }+
−
};+
−
+
−
//------------------------------StrIndexOf-------------------------------------+
−
class StrIndexOfNode: public StrIntrinsicNode {+
−
 public:+
−
  StrIndexOfNode(Node* control, Node* char_array_mem,+
−
                 Node* s1, Node* c1, Node* s2, Node* c2, ArgEncoding encoding):+
−
  StrIntrinsicNode(control, char_array_mem, s1, c1, s2, c2, encoding) {};+
−
  virtual int Opcode() const;+
−
  virtual const Type* bottom_type() const { return TypeInt::INT; }+
−
};+
−
+
−
//------------------------------StrIndexOfChar-------------------------------------+
−
class StrIndexOfCharNode: public StrIntrinsicNode {+
−
 public:+
−
  StrIndexOfCharNode(Node* control, Node* char_array_mem,+
−
                     Node* s1, Node* c1, Node* c, ArgEncoding encoding):+
−
  StrIntrinsicNode(control, char_array_mem, s1, c1, c, encoding) {};+
−
  virtual int Opcode() const;+
−
  virtual const Type* bottom_type() const { return TypeInt::INT; }+
−
};+
−
+
−
//--------------------------StrCompressedCopy-------------------------------+
−
class StrCompressedCopyNode: public StrIntrinsicNode {+
−
 public:+
−
  StrCompressedCopyNode(Node* control, Node* arymem,+
−
                        Node* s1, Node* s2, Node* c):+
−
  StrIntrinsicNode(control, arymem, s1, s2, c, none) {};+
−
  virtual int Opcode() const;+
−
  virtual const Type* bottom_type() const { return TypeInt::INT; }+
−
  virtual const TypePtr* adr_type() const { return TypePtr::BOTTOM; }+
−
  virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);+
−
};+
−
+
−
//--------------------------StrInflatedCopy---------------------------------+
−
class StrInflatedCopyNode: public StrIntrinsicNode {+
−
 public:+
−
  StrInflatedCopyNode(Node* control, Node* arymem,+
−
                      Node* s1, Node* s2, Node* c):+
−
  StrIntrinsicNode(control, arymem, s1, s2, c, none) {};+
−
  virtual int Opcode() const;+
−
  virtual const Type* bottom_type() const { return Type::MEMORY; }+
−
  virtual const TypePtr* adr_type() const { return TypePtr::BOTTOM; }+
−
  virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);+
−
};+
−
+
−
//------------------------------AryEq---------------------------------------+
−
class AryEqNode: public StrIntrinsicNode {+
−
 public:+
−
  AryEqNode(Node* control, Node* char_array_mem,+
−
            Node* s1, Node* s2, ArgEncoding encoding):+
−
  StrIntrinsicNode(control, char_array_mem, s1, s2, encoding) {};+
−
  virtual int Opcode() const;+
−
  virtual const Type* bottom_type() const { return TypeInt::BOOL; }+
−
};+
−
+
−
//------------------------------HasNegatives---------------------------------+
−
class HasNegativesNode: public StrIntrinsicNode {+
−
 public:+
−
  HasNegativesNode(Node* control, Node* char_array_mem, Node* s1, Node* c1):+
−
  StrIntrinsicNode(control, char_array_mem, s1, c1, none) {};+
−
  virtual int Opcode() const;+
−
  virtual const Type* bottom_type() const { return TypeInt::BOOL; }+
−
};+
−
+
−
+
−
//------------------------------EncodeISOArray--------------------------------+
−
// encode char[] to byte[] in ISO_8859_1+
−
class EncodeISOArrayNode: public Node {+
−
 public:+
−
  EncodeISOArrayNode(Node* control, Node* arymem, Node* s1, Node* s2, Node* c): Node(control, arymem, s1, s2, c) {};+
−
  virtual int Opcode() const;+
−
  virtual bool depends_only_on_test() const { return false; }+
−
  virtual const Type* bottom_type() const { return TypeInt::INT; }+
−
  virtual const TypePtr* adr_type() const { return TypePtr::BOTTOM; }+
−
  virtual uint match_edge(uint idx) const;+
−
  virtual uint ideal_reg() const { return Op_RegI; }+
−
  virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);+
−
  virtual const Type* Value(PhaseGVN* phase) const;+
−
};+
−
+
−
#endif // SHARE_VM_OPTO_INTRINSICNODE_HPP+
−