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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_HYDROGEN_INSTRUCTIONS_H_ | 5 #ifndef V8_HYDROGEN_INSTRUCTIONS_H_ |
6 #define V8_HYDROGEN_INSTRUCTIONS_H_ | 6 #define V8_HYDROGEN_INSTRUCTIONS_H_ |
7 | 7 |
8 #include <cstring> | 8 #include <cstring> |
9 #include <iosfwd> | 9 #include <iosfwd> |
10 | 10 |
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6131 | 6131 |
6132 // Create an access to the backing store of an object. | 6132 // Create an access to the backing store of an object. |
6133 static HObjectAccess ForBackingStoreOffset(int offset, | 6133 static HObjectAccess ForBackingStoreOffset(int offset, |
6134 Representation representation = Representation::Tagged()); | 6134 Representation representation = Representation::Tagged()); |
6135 | 6135 |
6136 // Create an access to a resolved field (in-object or backing store). | 6136 // Create an access to a resolved field (in-object or backing store). |
6137 static HObjectAccess ForField(Handle<Map> map, int index, | 6137 static HObjectAccess ForField(Handle<Map> map, int index, |
6138 Representation representation, | 6138 Representation representation, |
6139 Handle<String> name); | 6139 Handle<String> name); |
6140 | 6140 |
6141 // Create an access for the payload of a Cell or JSGlobalPropertyCell. | |
6142 static HObjectAccess ForCellPayload(Isolate* isolate); | |
6143 | |
6144 static HObjectAccess ForJSTypedArrayLength() { | 6141 static HObjectAccess ForJSTypedArrayLength() { |
6145 return HObjectAccess::ForObservableJSObjectOffset( | 6142 return HObjectAccess::ForObservableJSObjectOffset( |
6146 JSTypedArray::kLengthOffset); | 6143 JSTypedArray::kLengthOffset); |
6147 } | 6144 } |
6148 | 6145 |
6149 static HObjectAccess ForJSArrayBufferBackingStore() { | 6146 static HObjectAccess ForJSArrayBufferBackingStore() { |
6150 return HObjectAccess::ForObservableJSObjectOffset( | 6147 return HObjectAccess::ForObservableJSObjectOffset( |
6151 JSArrayBuffer::kBackingStoreOffset, Representation::External()); | 6148 JSArrayBuffer::kBackingStoreOffset, Representation::External()); |
6152 } | 6149 } |
6153 | 6150 |
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7879 }; | 7876 }; |
7880 | 7877 |
7881 | 7878 |
7882 | 7879 |
7883 #undef DECLARE_INSTRUCTION | 7880 #undef DECLARE_INSTRUCTION |
7884 #undef DECLARE_CONCRETE_INSTRUCTION | 7881 #undef DECLARE_CONCRETE_INSTRUCTION |
7885 | 7882 |
7886 } } // namespace v8::internal | 7883 } } // namespace v8::internal |
7887 | 7884 |
7888 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ | 7885 #endif // V8_HYDROGEN_INSTRUCTIONS_H_ |
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