Mercurial > hg > truffle
annotate src/share/vm/opto/mathexactnode.hpp @ 18041:52b4284cb496
Merge with jdk8u20-b26
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Wed, 15 Oct 2014 16:02:50 +0200 |
parents | 4ca6dc0799b6 |
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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/addnode.hpp" |
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31 #include "opto/subnode.hpp" |
12323 | 32 #include "opto/type.hpp" |
33 | |
34 class PhaseGVN; | |
35 class PhaseTransform; | |
36 | |
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37 class OverflowNode : public CmpNode { |
12323 | 38 public: |
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39 OverflowNode(Node* in1, Node* in2) : CmpNode(in1, in2) {} |
14909 | 40 |
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41 virtual uint ideal_reg() const { return Op_RegFlags; } |
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42 virtual const Type* sub(const Type* t1, const Type* t2) const; |
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43 }; |
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44 |
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45 class OverflowINode : public OverflowNode { |
14909 | 46 public: |
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47 typedef TypeInt TypeClass; |
14909 | 48 |
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49 OverflowINode(Node* in1, Node* in2) : OverflowNode(in1, in2) {} |
14909 | 50 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape); |
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51 virtual const Type* Value(PhaseTransform* phase) const; |
12323 | 52 |
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53 virtual bool will_overflow(jint v1, jint v2) const = 0; |
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54 virtual bool can_overflow(const Type* t1, const Type* t2) const = 0; |
12323 | 55 }; |
56 | |
57 | |
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58 class OverflowLNode : public OverflowNode { |
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59 public: |
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60 typedef TypeLong TypeClass; |
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61 |
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62 OverflowLNode(Node* in1, Node* in2) : OverflowNode(in1, in2) {} |
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63 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape); |
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64 virtual const Type* Value(PhaseTransform* phase) const; |
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65 |
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66 virtual bool will_overflow(jlong v1, jlong v2) const = 0; |
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67 virtual bool can_overflow(const Type* t1, const Type* t2) const = 0; |
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68 }; |
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69 |
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70 class OverflowAddINode : public OverflowINode { |
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71 public: |
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72 typedef AddINode MathOp; |
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73 |
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74 OverflowAddINode(Node* in1, Node* in2) : OverflowINode(in1, in2) {} |
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75 virtual int Opcode() const; |
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76 |
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77 virtual bool will_overflow(jint v1, jint v2) const; |
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78 virtual bool can_overflow(const Type* t1, const Type* t2) const; |
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79 }; |
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80 |
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81 class OverflowSubINode : public OverflowINode { |
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82 public: |
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83 typedef SubINode MathOp; |
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84 |
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85 OverflowSubINode(Node* in1, Node* in2) : OverflowINode(in1, in2) {} |
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86 virtual int Opcode() const; |
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87 |
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88 virtual bool will_overflow(jint v1, jint v2) const; |
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89 virtual bool can_overflow(const Type* t1, const Type* t2) const; |
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90 }; |
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91 |
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92 class OverflowMulINode : public OverflowINode { |
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93 public: |
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94 typedef MulINode MathOp; |
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95 |
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96 OverflowMulINode(Node* in1, Node* in2) : OverflowINode(in1, in2) {} |
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97 virtual int Opcode() const; |
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98 |
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99 virtual bool will_overflow(jint v1, jint v2) const; |
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100 virtual bool can_overflow(const Type* t1, const Type* t2) const; |
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101 }; |
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102 |
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103 class OverflowAddLNode : public OverflowLNode { |
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104 public: |
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105 typedef AddLNode MathOp; |
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106 |
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107 OverflowAddLNode(Node* in1, Node* in2) : OverflowLNode(in1, in2) {} |
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108 virtual int Opcode() const; |
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109 |
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110 virtual bool will_overflow(jlong v1, jlong v2) const; |
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111 virtual bool can_overflow(const Type* t1, const Type* t2) const; |
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112 }; |
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113 |
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114 class OverflowSubLNode : public OverflowLNode { |
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115 public: |
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116 typedef SubLNode MathOp; |
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117 |
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118 OverflowSubLNode(Node* in1, Node* in2) : OverflowLNode(in1, in2) {} |
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119 virtual int Opcode() const; |
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120 |
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121 virtual bool will_overflow(jlong v1, jlong v2) const; |
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122 virtual bool can_overflow(const Type* t1, const Type* t2) const; |
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123 }; |
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124 |
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125 class OverflowMulLNode : public OverflowLNode { |
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126 public: |
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127 typedef MulLNode MathOp; |
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128 |
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129 OverflowMulLNode(Node* in1, Node* in2) : OverflowLNode(in1, in2) {} |
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130 virtual int Opcode() const; |
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131 |
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132 virtual bool will_overflow(jlong v1, jlong v2) const; |
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133 virtual bool can_overflow(const Type* t1, const Type* t2) const; |
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134 }; |
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135 |
12323 | 136 #endif |
137 |