--- /dev/null 2014-03-17 09:36:36.000000000 -0400 +++ new/src/share/vm/opto/movenode.hpp 2014-03-17 09:36:36.000000000 -0400 @@ -0,0 +1,140 @@ +/* + * 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_MOVENODE_HPP +#define SHARE_VM_OPTO_MOVENODE_HPP + +#include "opto/node.hpp" + +//------------------------------CMoveNode-------------------------------------- +// Conditional move +class CMoveNode : public TypeNode { + public: + enum { Control, // When is it safe to do this cmove? + Condition, // Condition controlling the cmove + IfFalse, // Value if condition is false + IfTrue }; // Value if condition is true + CMoveNode( Node *bol, Node *left, Node *right, const Type *t ) : TypeNode(t,4) + { + init_class_id(Class_CMove); + // all inputs are nullified in Node::Node(int) + // init_req(Control,NULL); + init_req(Condition,bol); + init_req(IfFalse,left); + init_req(IfTrue,right); + } + virtual Node *Ideal(PhaseGVN *phase, bool can_reshape); + virtual const Type *Value( PhaseTransform *phase ) const; + virtual Node *Identity( PhaseTransform *phase ); + static CMoveNode *make( Compile *C, Node *c, Node *bol, Node *left, Node *right, const Type *t ); + // Helper function to spot cmove graph shapes + static Node *is_cmove_id( PhaseTransform *phase, Node *cmp, Node *t, Node *f, BoolNode *b ); +}; + +//------------------------------CMoveDNode------------------------------------- +class CMoveDNode : public CMoveNode { + public: + CMoveDNode( Node *bol, Node *left, Node *right, const Type* t) : CMoveNode(bol,left,right,t){} + virtual int Opcode() const; + virtual Node *Ideal(PhaseGVN *phase, bool can_reshape); +}; + +//------------------------------CMoveFNode------------------------------------- +class CMoveFNode : public CMoveNode { + public: + CMoveFNode( Node *bol, Node *left, Node *right, const Type* t ) : CMoveNode(bol,left,right,t) {} + virtual int Opcode() const; + virtual Node *Ideal(PhaseGVN *phase, bool can_reshape); +}; + +//------------------------------CMoveINode------------------------------------- +class CMoveINode : public CMoveNode { + public: + CMoveINode( Node *bol, Node *left, Node *right, const TypeInt *ti ) : CMoveNode(bol,left,right,ti){} + virtual int Opcode() const; + virtual Node *Ideal(PhaseGVN *phase, bool can_reshape); +}; + +//------------------------------CMoveLNode------------------------------------- +class CMoveLNode : public CMoveNode { + public: + CMoveLNode(Node *bol, Node *left, Node *right, const TypeLong *tl ) : CMoveNode(bol,left,right,tl){} + virtual int Opcode() const; +}; + +//------------------------------CMovePNode------------------------------------- +class CMovePNode : public CMoveNode { + public: + CMovePNode( Node *c, Node *bol, Node *left, Node *right, const TypePtr* t ) : CMoveNode(bol,left,right,t) { init_req(Control,c); } + virtual int Opcode() const; +}; + +//------------------------------CMoveNNode------------------------------------- +class CMoveNNode : public CMoveNode { + public: + CMoveNNode( Node *c, Node *bol, Node *left, Node *right, const Type* t ) : CMoveNode(bol,left,right,t) { init_req(Control,c); } + virtual int Opcode() const; +}; + +// +class MoveI2FNode : public Node { + public: + MoveI2FNode( Node *value ) : Node(0,value) {} + virtual int Opcode() const; + virtual const Type *bottom_type() const { return Type::FLOAT; } + virtual uint ideal_reg() const { return Op_RegF; } + virtual const Type* Value( PhaseTransform *phase ) const; +}; + +class MoveL2DNode : public Node { + public: + MoveL2DNode( Node *value ) : Node(0,value) {} + virtual int Opcode() const; + virtual const Type *bottom_type() const { return Type::DOUBLE; } + virtual uint ideal_reg() const { return Op_RegD; } + virtual const Type* Value( PhaseTransform *phase ) const; +}; + +class MoveF2INode : public Node { + public: + MoveF2INode( Node *value ) : Node(0,value) {} + virtual int Opcode() const; + virtual const Type *bottom_type() const { return TypeInt::INT; } + virtual uint ideal_reg() const { return Op_RegI; } + virtual const Type* Value( PhaseTransform *phase ) const; +}; + +class MoveD2LNode : public Node { + public: + MoveD2LNode( Node *value ) : Node(0,value) {} + virtual int Opcode() const; + virtual const Type *bottom_type() const { return TypeLong::LONG; } + virtual uint ideal_reg() const { return Op_RegL; } + virtual const Type* Value( PhaseTransform *phase ) const; +}; + + + +#endif // SHARE_VM_OPTO_MOVENODE_HPP +