Mercurial > hg > truffle
annotate src/share/vm/opto/mathexactnode.hpp @ 17721:d8a0bb6f62a5
Merge
author | coffeys |
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date | Wed, 12 Mar 2014 18:53:34 +0000 |
parents | b957c650babb |
children | cd5d10655495 |
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 | |
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33 class BoolNode; |
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34 class IfNode; |
12323 | 35 class Node; |
36 | |
37 class PhaseGVN; | |
38 class PhaseTransform; | |
39 | |
40 class MathExactNode : public MultiNode { | |
41 public: | |
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42 MathExactNode(Node* ctrl, Node* in1); |
12323 | 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(); } | |
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52 virtual uint hash() const { return NO_HASH; } |
12323 | 53 virtual bool is_CFG() const { return false; } |
54 virtual uint ideal_reg() const { return NotAMachineReg; } | |
55 | |
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56 ProjNode* result_node() const { return proj_out(result_proj_node); } |
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57 ProjNode* flags_node() const { return proj_out(flags_proj_node); } |
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58 Node* control_node() const; |
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59 Node* non_throwing_branch() const; |
12323 | 60 protected: |
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61 IfNode* if_node() const; |
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62 BoolNode* bool_node() const; |
12323 | 63 Node* no_overflow(PhaseGVN *phase, Node* new_result); |
64 }; | |
65 | |
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66 class MathExactINode : public MathExactNode { |
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67 public: |
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68 MathExactINode(Node* ctrl, Node* in1) : MathExactNode(ctrl, in1) {} |
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69 MathExactINode(Node* ctrl, Node* in1, Node* in2) : MathExactNode(ctrl, in1, in2) {} |
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70 virtual int Opcode() const; |
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71 virtual Node* match(const ProjNode* proj, const Matcher* m); |
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72 virtual const Type* bottom_type() const { return TypeTuple::INT_CC_PAIR; } |
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73 }; |
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74 |
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75 class MathExactLNode : public MathExactNode { |
12323 | 76 public: |
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77 MathExactLNode(Node* ctrl, Node* in1) : MathExactNode(ctrl, in1) {} |
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78 MathExactLNode(Node* ctrl, Node* in1, Node* in2) : MathExactNode(ctrl, in1, in2) {} |
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79 virtual int Opcode() const; |
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80 virtual Node* match(const ProjNode* proj, const Matcher* m); |
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81 virtual const Type* bottom_type() const { return TypeTuple::LONG_CC_PAIR; } |
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82 }; |
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83 |
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84 class AddExactINode : public MathExactINode { |
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85 public: |
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86 AddExactINode(Node* ctrl, Node* in1, Node* in2) : MathExactINode(ctrl, in1, in2) {} |
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87 virtual int Opcode() const; |
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88 virtual Node *Ideal(PhaseGVN *phase, bool can_reshape); |
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89 }; |
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90 |
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91 class AddExactLNode : public MathExactLNode { |
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92 public: |
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93 AddExactLNode(Node* ctrl, Node* in1, Node* in2) : MathExactLNode(ctrl, in1, in2) {} |
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94 virtual int Opcode() const; |
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95 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape); |
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96 }; |
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97 |
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98 class SubExactINode : public MathExactINode { |
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99 public: |
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100 SubExactINode(Node* ctrl, Node* in1, Node* in2) : MathExactINode(ctrl, in1, in2) {} |
12323 | 101 virtual int Opcode() const; |
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102 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape); |
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103 }; |
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104 |
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105 class SubExactLNode : public MathExactLNode { |
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106 public: |
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107 SubExactLNode(Node* ctrl, Node* in1, Node* in2) : MathExactLNode(ctrl, in1, in2) {} |
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108 virtual int Opcode() const; |
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109 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape); |
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110 }; |
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111 |
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112 class NegExactINode : public MathExactINode { |
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113 public: |
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114 NegExactINode(Node* ctrl, Node* in1) : MathExactINode(ctrl, in1) {} |
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115 virtual int Opcode() const; |
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116 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape); |
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117 }; |
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118 |
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119 class NegExactLNode : public MathExactLNode { |
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120 public: |
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121 NegExactLNode(Node* ctrl, Node* in1) : MathExactLNode(ctrl, in1) {} |
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122 virtual int Opcode() const; |
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123 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape); |
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124 }; |
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125 |
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126 class MulExactINode : public MathExactINode { |
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127 public: |
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128 MulExactINode(Node* ctrl, Node* in1, Node* in2) : MathExactINode(ctrl, in1, in2) {} |
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129 virtual int Opcode() const; |
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130 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape); |
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131 }; |
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132 |
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133 class MulExactLNode : public MathExactLNode { |
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134 public: |
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135 MulExactLNode(Node* ctrl, Node* in1, Node* in2) : MathExactLNode(ctrl, in1, in2) {} |
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136 virtual int Opcode() const; |
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137 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape); |
12323 | 138 }; |
139 | |
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; } | |
150 }; | |
151 | |
152 | |
153 #endif | |
154 |