|
/*
* Copyright (c) 1997, 2019, 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_OPTO_CONNODE_HPP
#define SHARE_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_OPTO_CONNODE_HPP
¤ Dauer der Verarbeitung: 0.28 Sekunden
(vorverarbeitet)
¤
|
Haftungshinweis
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung ist noch experimentell.
|
