src/hotspot/share/opto/connode.hpp
changeset 47216 71c04702a3d5
parent 25930 eae8b7490d2c
child 53244 9807daeb47c4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/opto/connode.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,154 @@
+/*
+ * Copyright (c) 1997, 2014, 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_CONNODE_HPP
+#define SHARE_VM_OPTO_CONNODE_HPP
+
+#include "opto/node.hpp"
+#include "opto/opcodes.hpp"
+#include "opto/type.hpp"
+
+class PhaseTransform;
+class MachNode;
+
+//------------------------------ConNode----------------------------------------
+// Simple constants
+class ConNode : public TypeNode {
+public:
+  ConNode( const Type *t ) : TypeNode(t->remove_speculative(),1) {
+    init_req(0, (Node*)Compile::current()->root());
+    init_flags(Flag_is_Con);
+  }
+  virtual int  Opcode() const;
+  virtual uint hash() const;
+  virtual const RegMask &out_RegMask() const { return RegMask::Empty; }
+  virtual const RegMask &in_RegMask(uint) const { return RegMask::Empty; }
+
+  // Polymorphic factory method:
+  static ConNode* make(const Type *t);
+};
+
+//------------------------------ConINode---------------------------------------
+// Simple integer constants
+class ConINode : public ConNode {
+public:
+  ConINode( const TypeInt *t ) : ConNode(t) {}
+  virtual int Opcode() const;
+
+  // Factory method:
+  static ConINode* make(int con) {
+    return new ConINode( TypeInt::make(con) );
+  }
+
+};
+
+//------------------------------ConPNode---------------------------------------
+// Simple pointer constants
+class ConPNode : public ConNode {
+public:
+  ConPNode( const TypePtr *t ) : ConNode(t) {}
+  virtual int Opcode() const;
+
+  // Factory methods:
+  static ConPNode* make(address con) {
+    if (con == NULL)
+      return new ConPNode( TypePtr::NULL_PTR ) ;
+    else
+      return new ConPNode( TypeRawPtr::make(con) );
+  }
+};
+
+
+//------------------------------ConNNode--------------------------------------
+// Simple narrow oop constants
+class ConNNode : public ConNode {
+public:
+  ConNNode( const TypeNarrowOop *t ) : ConNode(t) {}
+  virtual int Opcode() const;
+};
+
+//------------------------------ConNKlassNode---------------------------------
+// Simple narrow klass constants
+class ConNKlassNode : public ConNode {
+public:
+  ConNKlassNode( const TypeNarrowKlass *t ) : ConNode(t) {}
+  virtual int Opcode() const;
+};
+
+
+//------------------------------ConLNode---------------------------------------
+// Simple long constants
+class ConLNode : public ConNode {
+public:
+  ConLNode( const TypeLong *t ) : ConNode(t) {}
+  virtual int Opcode() const;
+
+  // Factory method:
+  static ConLNode* make(jlong con) {
+    return new ConLNode( TypeLong::make(con) );
+  }
+
+};
+
+//------------------------------ConFNode---------------------------------------
+// Simple float constants
+class ConFNode : public ConNode {
+public:
+  ConFNode( const TypeF *t ) : ConNode(t) {}
+  virtual int Opcode() const;
+
+  // Factory method:
+  static ConFNode* make(float con) {
+    return new ConFNode( TypeF::make(con) );
+  }
+
+};
+
+//------------------------------ConDNode---------------------------------------
+// Simple double constants
+class ConDNode : public ConNode {
+public:
+  ConDNode( const TypeD *t ) : ConNode(t) {}
+  virtual int Opcode() const;
+
+  // Factory method:
+  static ConDNode* make(double con) {
+    return new ConDNode( TypeD::make(con) );
+  }
+
+};
+
+//------------------------------ThreadLocalNode--------------------------------
+// Ideal Node which returns the base of ThreadLocalStorage.
+class ThreadLocalNode : public Node {
+public:
+    ThreadLocalNode( ) : Node((Node*)Compile::current()->root()) {}
+    virtual int Opcode() const;
+    virtual const Type *bottom_type() const { return TypeRawPtr::BOTTOM;}
+    virtual uint ideal_reg() const { return Op_RegP; }
+};
+
+
+
+#endif // SHARE_VM_OPTO_CONNODE_HPP