hotspot/src/share/vm/opto/convertnode.hpp
changeset 23528 8f1a7f5e8066
child 35551 36ef3841fb34
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/opto/convertnode.hpp	Tue Apr 01 09:05:20 2014 -0700
@@ -0,0 +1,215 @@
+/*
+ * Copyright (c) 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_CONVERTNODE_HPP
+#define SHARE_VM_OPTO_CONVERTNODE_HPP
+
+#include "opto/node.hpp"
+#include "opto/opcodes.hpp"
+
+
+//------------------------------Conv2BNode-------------------------------------
+// Convert int/pointer to a Boolean.  Map zero to zero, all else to 1.
+class Conv2BNode : public Node {
+  public:
+  Conv2BNode( Node *i ) : Node(0,i) {}
+  virtual int Opcode() const;
+  virtual const Type *bottom_type() const { return TypeInt::BOOL; }
+  virtual Node *Identity( PhaseTransform *phase );
+  virtual const Type *Value( PhaseTransform *phase ) const;
+  virtual uint  ideal_reg() const { return Op_RegI; }
+};
+
+// The conversions operations are all Alpha sorted.  Please keep it that way!
+//------------------------------ConvD2FNode------------------------------------
+// Convert double to float
+class ConvD2FNode : public Node {
+  public:
+  ConvD2FNode( Node *in1 ) : Node(0,in1) {}
+  virtual int Opcode() const;
+  virtual const Type *bottom_type() const { return Type::FLOAT; }
+  virtual const Type *Value( PhaseTransform *phase ) const;
+  virtual Node *Identity( PhaseTransform *phase );
+  virtual uint  ideal_reg() const { return Op_RegF; }
+};
+
+//------------------------------ConvD2INode------------------------------------
+// Convert Double to Integer
+class ConvD2INode : public Node {
+  public:
+  ConvD2INode( Node *in1 ) : Node(0,in1) {}
+  virtual int Opcode() const;
+  virtual const Type *bottom_type() const { return TypeInt::INT; }
+  virtual const Type *Value( PhaseTransform *phase ) const;
+  virtual Node *Identity( PhaseTransform *phase );
+  virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
+  virtual uint  ideal_reg() const { return Op_RegI; }
+};
+
+//------------------------------ConvD2LNode------------------------------------
+// Convert Double to Long
+class ConvD2LNode : public Node {
+  public:
+  ConvD2LNode( Node *dbl ) : Node(0,dbl) {}
+  virtual int Opcode() const;
+  virtual const Type *bottom_type() const { return TypeLong::LONG; }
+  virtual const Type *Value( PhaseTransform *phase ) const;
+  virtual Node *Identity( PhaseTransform *phase );
+  virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
+  virtual uint ideal_reg() const { return Op_RegL; }
+};
+
+//------------------------------ConvF2DNode------------------------------------
+// Convert Float to a Double.
+class ConvF2DNode : public Node {
+  public:
+  ConvF2DNode( Node *in1 ) : Node(0,in1) {}
+  virtual int Opcode() const;
+  virtual const Type *bottom_type() const { return Type::DOUBLE; }
+  virtual const Type *Value( PhaseTransform *phase ) const;
+  virtual uint  ideal_reg() const { return Op_RegD; }
+};
+
+//------------------------------ConvF2INode------------------------------------
+// Convert float to integer
+class ConvF2INode : public Node {
+  public:
+  ConvF2INode( Node *in1 ) : Node(0,in1) {}
+  virtual int Opcode() const;
+  virtual const Type *bottom_type() const { return TypeInt::INT; }
+  virtual const Type *Value( PhaseTransform *phase ) const;
+  virtual Node *Identity( PhaseTransform *phase );
+  virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
+  virtual uint  ideal_reg() const { return Op_RegI; }
+};
+
+//------------------------------ConvF2LNode------------------------------------
+// Convert float to long
+class ConvF2LNode : public Node {
+  public:
+  ConvF2LNode( Node *in1 ) : Node(0,in1) {}
+  virtual int Opcode() const;
+  virtual const Type *bottom_type() const { return TypeLong::LONG; }
+  virtual const Type *Value( PhaseTransform *phase ) const;
+  virtual Node *Identity( PhaseTransform *phase );
+  virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
+  virtual uint  ideal_reg() const { return Op_RegL; }
+};
+
+//------------------------------ConvI2DNode------------------------------------
+// Convert Integer to Double
+class ConvI2DNode : public Node {
+  public:
+  ConvI2DNode( Node *in1 ) : Node(0,in1) {}
+  virtual int Opcode() const;
+  virtual const Type *bottom_type() const { return Type::DOUBLE; }
+  virtual const Type *Value( PhaseTransform *phase ) const;
+  virtual uint  ideal_reg() const { return Op_RegD; }
+};
+
+//------------------------------ConvI2FNode------------------------------------
+// Convert Integer to Float
+class ConvI2FNode : public Node {
+  public:
+  ConvI2FNode( Node *in1 ) : Node(0,in1) {}
+  virtual int Opcode() const;
+  virtual const Type *bottom_type() const { return Type::FLOAT; }
+  virtual const Type *Value( PhaseTransform *phase ) const;
+  virtual Node *Identity( PhaseTransform *phase );
+  virtual uint  ideal_reg() const { return Op_RegF; }
+};
+
+//------------------------------ConvI2LNode------------------------------------
+// Convert integer to long
+class ConvI2LNode : public TypeNode {
+  public:
+  ConvI2LNode(Node *in1, const TypeLong* t = TypeLong::INT)
+  : TypeNode(t, 2)
+  { init_req(1, in1); }
+  virtual int Opcode() const;
+  virtual const Type *Value( PhaseTransform *phase ) const;
+  virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
+  virtual uint  ideal_reg() const { return Op_RegL; }
+};
+
+//------------------------------ConvL2DNode------------------------------------
+// Convert Long to Double
+class ConvL2DNode : public Node {
+  public:
+  ConvL2DNode( Node *in1 ) : Node(0,in1) {}
+  virtual int Opcode() const;
+  virtual const Type *bottom_type() const { return Type::DOUBLE; }
+  virtual const Type *Value( PhaseTransform *phase ) const;
+  virtual uint ideal_reg() const { return Op_RegD; }
+};
+
+//------------------------------ConvL2FNode------------------------------------
+// Convert Long to Float
+class ConvL2FNode : public Node {
+  public:
+  ConvL2FNode( Node *in1 ) : Node(0,in1) {}
+  virtual int Opcode() const;
+  virtual const Type *bottom_type() const { return Type::FLOAT; }
+  virtual const Type *Value( PhaseTransform *phase ) const;
+  virtual uint  ideal_reg() const { return Op_RegF; }
+};
+
+//------------------------------ConvL2INode------------------------------------
+// Convert long to integer
+class ConvL2INode : public Node {
+  public:
+  ConvL2INode( Node *in1 ) : Node(0,in1) {}
+  virtual int Opcode() const;
+  virtual const Type *bottom_type() const { return TypeInt::INT; }
+  virtual Node *Identity( PhaseTransform *phase );
+  virtual const Type *Value( PhaseTransform *phase ) const;
+  virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
+  virtual uint  ideal_reg() const { return Op_RegI; }
+};
+
+//-----------------------------RoundFloatNode----------------------------------
+class RoundFloatNode: public Node {
+  public:
+  RoundFloatNode(Node* c, Node *in1): Node(c, in1) {}
+  virtual int   Opcode() const;
+  virtual const Type *bottom_type() const { return Type::FLOAT; }
+  virtual uint  ideal_reg() const { return Op_RegF; }
+  virtual Node *Identity( PhaseTransform *phase );
+  virtual const Type *Value( PhaseTransform *phase ) const;
+};
+
+
+//-----------------------------RoundDoubleNode---------------------------------
+class RoundDoubleNode: public Node {
+  public:
+  RoundDoubleNode(Node* c, Node *in1): Node(c, in1) {}
+  virtual int   Opcode() const;
+  virtual const Type *bottom_type() const { return Type::DOUBLE; }
+  virtual uint  ideal_reg() const { return Op_RegD; }
+  virtual Node *Identity( PhaseTransform *phase );
+  virtual const Type *Value( PhaseTransform *phase ) const;
+};
+
+
+#endif // SHARE_VM_OPTO_CONVERTNODE_HPP