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Side by Side Diff: src/incremental-marking-inl.h

Issue 10919294: Integrate map marking into static marking visitor. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 8 years, 3 months ago
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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 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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118 marking_deque_.UnshiftGrey(obj); 118 marking_deque_.UnshiftGrey(obj);
119 } 119 }
120 120
121 121
122 void IncrementalMarking::WhiteToGreyAndPush(HeapObject* obj, MarkBit mark_bit) { 122 void IncrementalMarking::WhiteToGreyAndPush(HeapObject* obj, MarkBit mark_bit) {
123 Marking::WhiteToGrey(mark_bit); 123 Marking::WhiteToGrey(mark_bit);
124 marking_deque_.PushGrey(obj); 124 marking_deque_.PushGrey(obj);
125 } 125 }
126 126
127 127
128 bool IncrementalMarking::MarkObjectAndPush(HeapObject* obj) {
129 MarkBit mark_bit = Marking::MarkBitFrom(obj);
130 if (!mark_bit.Get()) {
131 WhiteToGreyAndPush(obj, mark_bit);
132 return true;
133 }
134 return false;
135 }
136
137
138 bool IncrementalMarking::MarkObjectWithoutPush(HeapObject* obj) {
139 MarkBit mark_bit = Marking::MarkBitFrom(obj);
140 if (!mark_bit.Get()) {
141 mark_bit.Set();
142 MemoryChunk::IncrementLiveBytesFromGC(obj->address(), obj->Size());
143 return true;
144 }
145 return false;
146 }
147
148
149 } } // namespace v8::internal 128 } } // namespace v8::internal
150 129
151 #endif // V8_INCREMENTAL_MARKING_INL_H_ 130 #endif // V8_INCREMENTAL_MARKING_INL_H_
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