33 // The 2nd slow-half of a subtype check. Scan the subklass's 2ndary superklass |
33 // The 2nd slow-half of a subtype check. Scan the subklass's 2ndary superklass |
34 // array for an instance of the superklass. Set a hidden internal cache on a |
34 // array for an instance of the superklass. Set a hidden internal cache on a |
35 // hit (cache is checked with exposed code in gen_subtype_check()). Return |
35 // hit (cache is checked with exposed code in gen_subtype_check()). Return |
36 // not zero for a miss or zero for a hit. |
36 // not zero for a miss or zero for a hit. |
37 class PartialSubtypeCheckNode : public Node { |
37 class PartialSubtypeCheckNode : public Node { |
38 public: |
38 public: |
39 PartialSubtypeCheckNode(Node* c, Node* sub, Node* super) : Node(c,sub,super) {} |
39 PartialSubtypeCheckNode(Node* c, Node* sub, Node* super) : Node(c,sub,super) {} |
40 virtual int Opcode() const; |
40 virtual int Opcode() const; |
41 virtual const Type *bottom_type() const { return TypeRawPtr::BOTTOM; } |
41 virtual const Type* bottom_type() const { return TypeRawPtr::BOTTOM; } |
42 virtual uint ideal_reg() const { return Op_RegP; } |
42 virtual uint ideal_reg() const { return Op_RegP; } |
43 }; |
43 }; |
44 |
44 |
45 //------------------------------StrIntrinsic------------------------------- |
45 //------------------------------StrIntrinsic------------------------------- |
46 // Base class for Ideal nodes used in String instrinsic code. |
46 // Base class for Ideal nodes used in String intrinsic code. |
47 class StrIntrinsicNode: public Node { |
47 class StrIntrinsicNode: public Node { |
48 public: |
48 public: |
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49 // Possible encodings of the two parameters passed to the string intrinsic. |
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50 // 'L' stands for Latin1 and 'U' stands for UTF16. For example, 'LU' means that |
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51 // the first string is Latin1 encoded and the second string is UTF16 encoded. |
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52 typedef enum ArgEncoding { LL, LU, UL, UU, none } ArgEnc; |
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53 |
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54 protected: |
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55 // Encoding of strings. Used to select the right version of the intrinsic. |
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56 const ArgEncoding _encoding; |
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57 virtual uint size_of() const; |
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58 |
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59 public: |
49 StrIntrinsicNode(Node* control, Node* char_array_mem, |
60 StrIntrinsicNode(Node* control, Node* char_array_mem, |
50 Node* s1, Node* c1, Node* s2, Node* c2): |
61 Node* s1, Node* c1, Node* s2, Node* c2, ArgEncoding encoding): |
51 Node(control, char_array_mem, s1, c1, s2, c2) { |
62 Node(control, char_array_mem, s1, c1, s2, c2), _encoding(encoding) { |
52 } |
63 } |
53 |
64 |
54 StrIntrinsicNode(Node* control, Node* char_array_mem, |
65 StrIntrinsicNode(Node* control, Node* char_array_mem, |
55 Node* s1, Node* s2, Node* c): |
66 Node* s1, Node* s2, Node* c, ArgEncoding encoding): |
56 Node(control, char_array_mem, s1, s2, c) { |
67 Node(control, char_array_mem, s1, s2, c), _encoding(encoding) { |
57 } |
68 } |
58 |
69 |
59 StrIntrinsicNode(Node* control, Node* char_array_mem, |
70 StrIntrinsicNode(Node* control, Node* char_array_mem, |
60 Node* s1, Node* s2): |
71 Node* s1, Node* s2, ArgEncoding encoding): |
61 Node(control, char_array_mem, s1, s2) { |
72 Node(control, char_array_mem, s1, s2), _encoding(encoding) { |
62 } |
73 } |
63 |
74 |
64 virtual bool depends_only_on_test() const { return false; } |
75 virtual bool depends_only_on_test() const { return false; } |
65 virtual const TypePtr* adr_type() const { return TypeAryPtr::CHARS; } |
76 virtual const TypePtr* adr_type() const { return TypeAryPtr::BYTES; } |
66 virtual uint match_edge(uint idx) const; |
77 virtual uint match_edge(uint idx) const; |
67 virtual uint ideal_reg() const { return Op_RegI; } |
78 virtual uint ideal_reg() const { return Op_RegI; } |
68 virtual Node *Ideal(PhaseGVN *phase, bool can_reshape); |
79 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape); |
69 virtual const Type *Value(PhaseTransform *phase) const; |
80 virtual const Type* Value(PhaseTransform* phase) const; |
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81 ArgEncoding encoding() const { return _encoding; } |
70 }; |
82 }; |
71 |
83 |
72 //------------------------------StrComp------------------------------------- |
84 //------------------------------StrComp------------------------------------- |
73 class StrCompNode: public StrIntrinsicNode { |
85 class StrCompNode: public StrIntrinsicNode { |
74 public: |
86 public: |
75 StrCompNode(Node* control, Node* char_array_mem, |
87 StrCompNode(Node* control, Node* char_array_mem, |
76 Node* s1, Node* c1, Node* s2, Node* c2): |
88 Node* s1, Node* c1, Node* s2, Node* c2, ArgEncoding encoding): |
77 StrIntrinsicNode(control, char_array_mem, s1, c1, s2, c2) {}; |
89 StrIntrinsicNode(control, char_array_mem, s1, c1, s2, c2, encoding) {}; |
78 virtual int Opcode() const; |
90 virtual int Opcode() const; |
79 virtual const Type* bottom_type() const { return TypeInt::INT; } |
91 virtual const Type* bottom_type() const { return TypeInt::INT; } |
80 }; |
92 }; |
81 |
93 |
82 //------------------------------StrEquals------------------------------------- |
94 //------------------------------StrEquals------------------------------------- |
83 class StrEqualsNode: public StrIntrinsicNode { |
95 class StrEqualsNode: public StrIntrinsicNode { |
84 public: |
96 public: |
85 StrEqualsNode(Node* control, Node* char_array_mem, |
97 StrEqualsNode(Node* control, Node* char_array_mem, |
86 Node* s1, Node* s2, Node* c): |
98 Node* s1, Node* s2, Node* c, ArgEncoding encoding): |
87 StrIntrinsicNode(control, char_array_mem, s1, s2, c) {}; |
99 StrIntrinsicNode(control, char_array_mem, s1, s2, c, encoding) {}; |
88 virtual int Opcode() const; |
100 virtual int Opcode() const; |
89 virtual const Type* bottom_type() const { return TypeInt::BOOL; } |
101 virtual const Type* bottom_type() const { return TypeInt::BOOL; } |
90 }; |
102 }; |
91 |
103 |
92 //------------------------------StrIndexOf------------------------------------- |
104 //------------------------------StrIndexOf------------------------------------- |
93 class StrIndexOfNode: public StrIntrinsicNode { |
105 class StrIndexOfNode: public StrIntrinsicNode { |
94 public: |
106 public: |
95 StrIndexOfNode(Node* control, Node* char_array_mem, |
107 StrIndexOfNode(Node* control, Node* char_array_mem, |
96 Node* s1, Node* c1, Node* s2, Node* c2): |
108 Node* s1, Node* c1, Node* s2, Node* c2, ArgEncoding encoding): |
97 StrIntrinsicNode(control, char_array_mem, s1, c1, s2, c2) {}; |
109 StrIntrinsicNode(control, char_array_mem, s1, c1, s2, c2, encoding) {}; |
98 virtual int Opcode() const; |
110 virtual int Opcode() const; |
99 virtual const Type* bottom_type() const { return TypeInt::INT; } |
111 virtual const Type* bottom_type() const { return TypeInt::INT; } |
100 }; |
112 }; |
101 |
113 |
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114 //------------------------------StrIndexOfChar------------------------------------- |
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115 class StrIndexOfCharNode: public StrIntrinsicNode { |
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116 public: |
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117 StrIndexOfCharNode(Node* control, Node* char_array_mem, |
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118 Node* s1, Node* c1, Node* c, ArgEncoding encoding): |
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119 StrIntrinsicNode(control, char_array_mem, s1, c1, c, encoding) {}; |
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120 virtual int Opcode() const; |
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121 virtual const Type* bottom_type() const { return TypeInt::INT; } |
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122 }; |
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123 |
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124 //--------------------------StrCompressedCopy------------------------------- |
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125 class StrCompressedCopyNode: public StrIntrinsicNode { |
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126 public: |
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127 StrCompressedCopyNode(Node* control, Node* arymem, |
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128 Node* s1, Node* s2, Node* c): |
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129 StrIntrinsicNode(control, arymem, s1, s2, c, none) {}; |
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130 virtual int Opcode() const; |
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131 virtual const Type* bottom_type() const { return TypeInt::INT; } |
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132 virtual const TypePtr* adr_type() const { return TypePtr::BOTTOM; } |
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133 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape); |
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134 }; |
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135 |
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136 //--------------------------StrInflatedCopy--------------------------------- |
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137 class StrInflatedCopyNode: public StrIntrinsicNode { |
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138 public: |
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139 StrInflatedCopyNode(Node* control, Node* arymem, |
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140 Node* s1, Node* s2, Node* c): |
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141 StrIntrinsicNode(control, arymem, s1, s2, c, none) {}; |
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142 virtual int Opcode() const; |
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143 virtual const Type* bottom_type() const { return Type::MEMORY; } |
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144 virtual const TypePtr* adr_type() const { return TypePtr::BOTTOM; } |
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145 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape); |
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146 }; |
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147 |
102 //------------------------------AryEq--------------------------------------- |
148 //------------------------------AryEq--------------------------------------- |
103 class AryEqNode: public StrIntrinsicNode { |
149 class AryEqNode: public StrIntrinsicNode { |
104 public: |
150 public: |
105 AryEqNode(Node* control, Node* char_array_mem, Node* s1, Node* s2): |
151 AryEqNode(Node* control, Node* char_array_mem, |
106 StrIntrinsicNode(control, char_array_mem, s1, s2) {}; |
152 Node* s1, Node* s2, ArgEncoding encoding): |
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153 StrIntrinsicNode(control, char_array_mem, s1, s2, encoding) {}; |
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154 virtual int Opcode() const; |
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155 virtual const Type* bottom_type() const { return TypeInt::BOOL; } |
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156 }; |
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157 |
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158 //------------------------------HasNegatives--------------------------------- |
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159 class HasNegativesNode: public StrIntrinsicNode { |
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160 public: |
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161 HasNegativesNode(Node* control, Node* char_array_mem, Node* s1, Node* c1): |
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162 StrIntrinsicNode(control, char_array_mem, s1, c1, none) {}; |
107 virtual int Opcode() const; |
163 virtual int Opcode() const; |
108 virtual const Type* bottom_type() const { return TypeInt::BOOL; } |
164 virtual const Type* bottom_type() const { return TypeInt::BOOL; } |
109 }; |
165 }; |
110 |
166 |
111 |
167 |
112 //------------------------------EncodeISOArray-------------------------------- |
168 //------------------------------EncodeISOArray-------------------------------- |
113 // encode char[] to byte[] in ISO_8859_1 |
169 // encode char[] to byte[] in ISO_8859_1 |
114 class EncodeISOArrayNode: public Node { |
170 class EncodeISOArrayNode: public Node { |
115 public: |
171 public: |
116 EncodeISOArrayNode(Node *control, Node* arymem, Node* s1, Node* s2, Node* c): Node(control, arymem, s1, s2, c) {}; |
172 EncodeISOArrayNode(Node* control, Node* arymem, Node* s1, Node* s2, Node* c): Node(control, arymem, s1, s2, c) {}; |
117 virtual int Opcode() const; |
173 virtual int Opcode() const; |
118 virtual bool depends_only_on_test() const { return false; } |
174 virtual bool depends_only_on_test() const { return false; } |
119 virtual const Type* bottom_type() const { return TypeInt::INT; } |
175 virtual const Type* bottom_type() const { return TypeInt::INT; } |
120 virtual const TypePtr* adr_type() const { return TypePtr::BOTTOM; } |
176 virtual const TypePtr* adr_type() const { return TypePtr::BOTTOM; } |
121 virtual uint match_edge(uint idx) const; |
177 virtual uint match_edge(uint idx) const; |
122 virtual uint ideal_reg() const { return Op_RegI; } |
178 virtual uint ideal_reg() const { return Op_RegI; } |
123 virtual Node *Ideal(PhaseGVN *phase, bool can_reshape); |
179 virtual Node* Ideal(PhaseGVN* phase, bool can_reshape); |
124 virtual const Type *Value(PhaseTransform *phase) const; |
180 virtual const Type* Value(PhaseTransform* phase) const; |
125 }; |
181 }; |
126 |
182 |
127 #endif // SHARE_VM_OPTO_INTRINSICNODE_HPP |
183 #endif // SHARE_VM_OPTO_INTRINSICNODE_HPP |