1 /*
2 * Copyright (c) 1997, 2012, 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
32 class PhaseTransform;
33 class MachNode;
34
35 //------------------------------ConNode----------------------------------------
36 // Simple constants
37 class ConNode : public TypeNode {
38 public:
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( Compile* C, const Type *t );
50 };
51
52 //------------------------------ConINode---------------------------------------
53 // Simple integer constants
54 class ConINode : public ConNode {
55 public:
56 ConINode( const TypeInt *t ) : ConNode(t) {}
57 virtual int Opcode() const;
58
59 // Factory method:
60 static ConINode* make( Compile* C, int con ) {
61 return new (C) ConINode( TypeInt::make(con) );
62 }
63
64 };
65
66 //------------------------------ConPNode---------------------------------------
67 // Simple pointer constants
68 class ConPNode : public ConNode {
69 public:
70 ConPNode( const TypePtr *t ) : ConNode(t) {}
71 virtual int Opcode() const;
72
73 // Factory methods:
74 static ConPNode* make( Compile *C ,address con ) {
75 if (con == NULL)
76 return new (C) ConPNode( TypePtr::NULL_PTR ) ;
77 else
78 return new (C) ConPNode( TypeRawPtr::make(con) );
79 }
80 };
81
82
83 //------------------------------ConNNode--------------------------------------
84 // Simple narrow oop constants
85 class ConNNode : public ConNode {
86 public:
87 ConNNode( const TypeNarrowOop *t ) : ConNode(t) {}
88 virtual int Opcode() const;
89 };
90
91 //------------------------------ConNKlassNode---------------------------------
92 // Simple narrow klass constants
93 class ConNKlassNode : public ConNode {
94 public:
95 ConNKlassNode( const TypeNarrowKlass *t ) : ConNode(t) {}
96 virtual int Opcode() const;
97 };
98
99
100 //------------------------------ConLNode---------------------------------------
101 // Simple long constants
102 class ConLNode : public ConNode {
103 public:
104 ConLNode( const TypeLong *t ) : ConNode(t) {}
105 virtual int Opcode() const;
106
107 // Factory method:
108 static ConLNode* make( Compile *C ,jlong con ) {
109 return new (C) ConLNode( TypeLong::make(con) );
110 }
111
112 };
113
114 //------------------------------ConFNode---------------------------------------
115 // Simple float constants
116 class ConFNode : public ConNode {
117 public:
118 ConFNode( const TypeF *t ) : ConNode(t) {}
119 virtual int Opcode() const;
120
121 // Factory method:
122 static ConFNode* make( Compile *C, float con ) {
123 return new (C) ConFNode( TypeF::make(con) );
124 }
125
126 };
127
128 //------------------------------ConDNode---------------------------------------
129 // Simple double constants
130 class ConDNode : public ConNode {
131 public:
132 ConDNode( const TypeD *t ) : ConNode(t) {}
133 virtual int Opcode() const;
134
135 // Factory method:
136 static ConDNode* make( Compile *C, double con ) {
137 return new (C) ConDNode( TypeD::make(con) );
138 }
139
140 };
141
142 //------------------------------ThreadLocalNode--------------------------------
143 // Ideal Node which returns the base of ThreadLocalStorage.
144 class ThreadLocalNode : public Node {
145 public:
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