1/* 2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25#ifndef SHARE_VM_OPTO_CONNODE_HPP 26#define SHARE_VM_OPTO_CONNODE_HPP 27 28#include "opto/node.hpp" 29#include "opto/opcodes.hpp" 30#include "opto/type.hpp" 31 32class PhaseTransform; 33class MachNode; 34 35//------------------------------ConNode---------------------------------------- 36// Simple constants 37class ConNode : public TypeNode { 38public: 39 ConNode( const Type *t ) : TypeNode(t->remove_speculative(),1) { 40 init_req(0, (Node*)Compile::current()->root()); 41 init_flags(Flag_is_Con); 42 } 43 virtual int Opcode() const; 44 virtual uint hash() const; 45 virtual const RegMask &out_RegMask() const { return RegMask::Empty; } 46 virtual const RegMask &in_RegMask(uint) const { return RegMask::Empty; } 47 48 // Polymorphic factory method: 49 static ConNode* make(const Type *t); 50}; 51 52//------------------------------ConINode--------------------------------------- 53// Simple integer constants 54class ConINode : public ConNode { 55public: 56 ConINode( const TypeInt *t ) : ConNode(t) {} 57 virtual int Opcode() const; 58 59 // Factory method: 60 static ConINode* make(int con) { 61 return new ConINode( TypeInt::make(con) ); 62 } 63 64}; 65 66//------------------------------ConPNode--------------------------------------- 67// Simple pointer constants 68class ConPNode : public ConNode { 69public: 70 ConPNode( const TypePtr *t ) : ConNode(t) {} 71 virtual int Opcode() const; 72 73 // Factory methods: 74 static ConPNode* make(address con) { 75 if (con == NULL) 76 return new ConPNode( TypePtr::NULL_PTR ) ; 77 else 78 return new ConPNode( TypeRawPtr::make(con) ); 79 } 80}; 81 82 83//------------------------------ConNNode-------------------------------------- 84// Simple narrow oop constants 85class ConNNode : public ConNode { 86public: 87 ConNNode( const TypeNarrowOop *t ) : ConNode(t) {} 88 virtual int Opcode() const; 89}; 90 91//------------------------------ConNKlassNode--------------------------------- 92// Simple narrow klass constants 93class ConNKlassNode : public ConNode { 94public: 95 ConNKlassNode( const TypeNarrowKlass *t ) : ConNode(t) {} 96 virtual int Opcode() const; 97}; 98 99 100//------------------------------ConLNode--------------------------------------- 101// Simple long constants 102class ConLNode : public ConNode { 103public: 104 ConLNode( const TypeLong *t ) : ConNode(t) {} 105 virtual int Opcode() const; 106 107 // Factory method: 108 static ConLNode* make(jlong con) { 109 return new ConLNode( TypeLong::make(con) ); 110 } 111 112}; 113 114//------------------------------ConFNode--------------------------------------- 115// Simple float constants 116class ConFNode : public ConNode { 117public: 118 ConFNode( const TypeF *t ) : ConNode(t) {} 119 virtual int Opcode() const; 120 121 // Factory method: 122 static ConFNode* make(float con) { 123 return new ConFNode( TypeF::make(con) ); 124 } 125 126}; 127 128//------------------------------ConDNode--------------------------------------- 129// Simple double constants 130class ConDNode : public ConNode { 131public: 132 ConDNode( const TypeD *t ) : ConNode(t) {} 133 virtual int Opcode() const; 134 135 // Factory method: 136 static ConDNode* make(double con) { 137 return new ConDNode( TypeD::make(con) ); 138 } 139 140}; 141 142//------------------------------ThreadLocalNode-------------------------------- 143// Ideal Node which returns the base of ThreadLocalStorage. 144class ThreadLocalNode : public Node { 145public: 146 ThreadLocalNode( ) : Node((Node*)Compile::current()->root()) {} 147 virtual int Opcode() const; 148 virtual const Type *bottom_type() const { return TypeRawPtr::BOTTOM;} 149 virtual uint ideal_reg() const { return Op_RegP; } 150}; 151 152 153 154#endif // SHARE_VM_OPTO_CONNODE_HPP 155