1 /*
2 * Copyright (c) 1997, 2025, 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.
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23 */
24
25 #ifndef SHARE_OPTO_CONNODE_HPP
26 #define SHARE_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 init_class_id(Class_Con);
43 }
44 virtual int Opcode() const;
45 virtual uint hash() const;
46 virtual const RegMask &out_RegMask() const { return RegMask::Empty; }
47 virtual const RegMask &in_RegMask(uint) const { return RegMask::Empty; }
48
49 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape) {
50 return Node::Ideal(phase, can_reshape);
51 }
52
53 // Polymorphic factory method:
54 static ConNode* make(const Type *t);
55 };
56
57 //------------------------------ConINode---------------------------------------
58 // Simple integer constants
59 class ConINode : public ConNode {
60 public:
61 ConINode(const TypeInt* t) : ConNode(t) {
62 init_class_id(Class_ConI);
63 }
64 virtual int Opcode() const;
65
66 // Factory method:
67 static ConINode* make(int con) {
68 return new ConINode( TypeInt::make(con) );
69 }
70
71 };
72
73 //------------------------------ConPNode---------------------------------------
74 // Simple pointer constants
75 class ConPNode : public ConNode {
76 public:
77 ConPNode(const TypePtr *t) : ConNode(t) {}
78 virtual int Opcode() const;
79
80 // Factory methods:
81 static ConPNode* make(address con) {
82 if (con == nullptr) {
83 return new ConPNode(TypePtr::NULL_PTR);
84 } else {
85 return new ConPNode(TypeRawPtr::make(con));
86 }
87 }
88 };
89
90
91 //------------------------------ConNNode--------------------------------------
92 // Simple narrow oop constants
93 class ConNNode : public ConNode {
94 public:
95 ConNNode( const TypeNarrowOop *t ) : ConNode(t) {}
96 virtual int Opcode() const;
97 };
98
99 //------------------------------ConNKlassNode---------------------------------
100 // Simple narrow klass constants
101 class ConNKlassNode : public ConNode {
102 public:
103 ConNKlassNode( const TypeNarrowKlass *t ) : ConNode(t) {}
104 virtual int Opcode() const;
105 };
106
107
108 //------------------------------ConLNode---------------------------------------
109 // Simple long constants
110 class ConLNode : public ConNode {
111 public:
112 ConLNode( const TypeLong *t ) : ConNode(t) {}
113 virtual int Opcode() const;
114
115 // Factory method:
116 static ConLNode* make(jlong con) {
117 return new ConLNode( TypeLong::make(con) );
118 }
119
120 };
121
122 //------------------------------ConHNode---------------------------------------
123 // Simple half float constants
124 class ConHNode : public ConNode {
125 public:
126 ConHNode(const TypeH* t) : ConNode(t) {}
127 virtual int Opcode() const;
128
129 // Factory method:
130 static ConHNode* make(float con) {
131 return new ConHNode(TypeH::make(con));
132 }
133 };
134
135 //------------------------------ConFNode---------------------------------------
136 // Simple float constants
137 class ConFNode : public ConNode {
138 public:
139 ConFNode( const TypeF *t ) : ConNode(t) {}
140 virtual int Opcode() const;
141
142 // Factory method:
143 static ConFNode* make(float con) {
144 return new ConFNode( TypeF::make(con) );
145 }
146
147 };
148
149 //------------------------------ConDNode---------------------------------------
150 // Simple double constants
151 class ConDNode : public ConNode {
152 public:
153 ConDNode( const TypeD *t ) : ConNode(t) {}
154 virtual int Opcode() const;
155
156 // Factory method:
157 static ConDNode* make(double con) {
158 return new ConDNode( TypeD::make(con) );
159 }
160
161 };
162
163 //------------------------------ThreadLocalNode--------------------------------
164 // Ideal Node which returns the base of ThreadLocalStorage.
165 class ThreadLocalNode : public Node {
166 public:
167 ThreadLocalNode( ) : Node((Node*)Compile::current()->root()) {}
168 virtual int Opcode() const;
169 virtual const Type *bottom_type() const { return TypeRawPtr::BOTTOM;}
170 virtual uint ideal_reg() const { return Op_RegP; }
171 };
172
173
174
175 #endif // SHARE_OPTO_CONNODE_HPP