Mercurial > hg > truffle
annotate src/share/vm/opto/mathexactnode.hpp @ 17387:0e120f2819ce
Merged
author | Christian Wirth <christian.wirth@oracle.com> |
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date | Thu, 09 Oct 2014 13:19:31 +0200 |
parents | 4ca6dc0799b6 |
children | 52b4284cb496 |
rev | line source |
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12323 | 1 /* |
2 * Copyright (c) 2013, 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_MATHEXACTNODE_HPP | |
26 #define SHARE_VM_OPTO_MATHEXACTNODE_HPP | |
27 | |
28 #include "opto/multnode.hpp" | |
29 #include "opto/node.hpp" | |
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30 #include "opto/subnode.hpp" |
12323 | 31 #include "opto/type.hpp" |
32 | |
14909 | 33 class BoolNode; |
34 class IfNode; | |
35 class Node; | |
36 | |
12323 | 37 class PhaseGVN; |
38 class PhaseTransform; | |
39 | |
14909 | 40 class MathExactNode : public MultiNode { |
12323 | 41 public: |
14909 | 42 MathExactNode(Node* ctrl, Node* in1); |
43 MathExactNode(Node* ctrl, Node* in1, Node* in2); | |
44 enum { | |
45 result_proj_node = 0, | |
46 flags_proj_node = 1 | |
47 }; | |
48 virtual int Opcode() const; | |
49 virtual Node* Identity(PhaseTransform* phase) { return this; } | |
50 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape) { return NULL; } | |
51 virtual const Type* Value(PhaseTransform* phase) const { return bottom_type(); } | |
52 virtual uint hash() const { return NO_HASH; } | |
53 virtual bool is_CFG() const { return false; } | |
54 virtual uint ideal_reg() const { return NotAMachineReg; } | |
55 | |
56 ProjNode* result_node() const { return proj_out(result_proj_node); } | |
57 ProjNode* flags_node() const { return proj_out(flags_proj_node); } | |
58 Node* control_node() const; | |
59 Node* non_throwing_branch() const; | |
60 protected: | |
61 IfNode* if_node() const; | |
62 BoolNode* bool_node() const; | |
63 Node* no_overflow(PhaseGVN *phase, Node* new_result); | |
64 }; | |
12323 | 65 |
14909 | 66 class MathExactINode : public MathExactNode { |
67 public: | |
68 MathExactINode(Node* ctrl, Node* in1) : MathExactNode(ctrl, in1) {} | |
69 MathExactINode(Node* ctrl, Node* in1, Node* in2) : MathExactNode(ctrl, in1, in2) {} | |
70 virtual int Opcode() const; | |
71 virtual Node* match(const ProjNode* proj, const Matcher* m); | |
72 virtual const Type* bottom_type() const { return TypeTuple::INT_CC_PAIR; } | |
73 }; | |
74 | |
75 class MathExactLNode : public MathExactNode { | |
76 public: | |
77 MathExactLNode(Node* ctrl, Node* in1) : MathExactNode(ctrl, in1) {} | |
78 MathExactLNode(Node* ctrl, Node* in1, Node* in2) : MathExactNode(ctrl, in1, in2) {} | |
79 virtual int Opcode() const; | |
80 virtual Node* match(const ProjNode* proj, const Matcher* m); | |
81 virtual const Type* bottom_type() const { return TypeTuple::LONG_CC_PAIR; } | |
82 }; | |
83 | |
84 class AddExactINode : public MathExactINode { | |
85 public: | |
86 AddExactINode(Node* ctrl, Node* in1, Node* in2) : MathExactINode(ctrl, in1, in2) {} | |
87 virtual int Opcode() const; | |
88 virtual Node *Ideal(PhaseGVN *phase, bool can_reshape); | |
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89 }; |
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90 |
14909 | 91 class AddExactLNode : public MathExactLNode { |
92 public: | |
93 AddExactLNode(Node* ctrl, Node* in1, Node* in2) : MathExactLNode(ctrl, in1, in2) {} | |
94 virtual int Opcode() const; | |
95 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape); | |
96 }; | |
97 | |
98 class SubExactINode : public MathExactINode { | |
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99 public: |
14909 | 100 SubExactINode(Node* ctrl, Node* in1, Node* in2) : MathExactINode(ctrl, in1, in2) {} |
101 virtual int Opcode() const; | |
102 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape); | |
103 }; | |
104 | |
105 class SubExactLNode : public MathExactLNode { | |
106 public: | |
107 SubExactLNode(Node* ctrl, Node* in1, Node* in2) : MathExactLNode(ctrl, in1, in2) {} | |
108 virtual int Opcode() const; | |
109 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape); | |
110 }; | |
111 | |
112 class NegExactINode : public MathExactINode { | |
113 public: | |
114 NegExactINode(Node* ctrl, Node* in1) : MathExactINode(ctrl, in1) {} | |
115 virtual int Opcode() const; | |
116 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape); | |
117 }; | |
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118 |
14909 | 119 class NegExactLNode : public MathExactLNode { |
120 public: | |
121 NegExactLNode(Node* ctrl, Node* in1) : MathExactLNode(ctrl, in1) {} | |
122 virtual int Opcode() const; | |
123 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape); | |
124 }; | |
125 | |
126 class MulExactINode : public MathExactINode { | |
127 public: | |
128 MulExactINode(Node* ctrl, Node* in1, Node* in2) : MathExactINode(ctrl, in1, in2) {} | |
129 virtual int Opcode() const; | |
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130 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape); |
14909 | 131 }; |
132 | |
133 class MulExactLNode : public MathExactLNode { | |
134 public: | |
135 MulExactLNode(Node* ctrl, Node* in1, Node* in2) : MathExactLNode(ctrl, in1, in2) {} | |
136 virtual int Opcode() const; | |
137 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape); | |
138 }; | |
12323 | 139 |
14909 | 140 class FlagsProjNode : public ProjNode { |
141 public: | |
142 FlagsProjNode(Node* src, uint con) : ProjNode(src, con) { | |
143 init_class_id(Class_FlagsProj); | |
144 } | |
145 | |
146 virtual int Opcode() const; | |
147 virtual bool is_CFG() const { return false; } | |
148 virtual const Type* bottom_type() const { return TypeInt::CC; } | |
149 virtual uint ideal_reg() const { return Op_RegFlags; } | |
12323 | 150 }; |
151 | |
152 | |
153 #endif | |
154 |