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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 #include "src/heap/incremental-marking.h" | 5 #include "src/heap/incremental-marking.h" |
6 | 6 |
7 #include "src/code-stubs.h" | 7 #include "src/code-stubs.h" |
8 #include "src/compilation-cache.h" | 8 #include "src/compilation-cache.h" |
9 #include "src/conversions.h" | 9 #include "src/conversions.h" |
10 #include "src/heap/gc-idle-time-handler.h" | 10 #include "src/heap/gc-idle-time-handler.h" |
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136 if (from == to) return; | 136 if (from == to) return; |
137 | 137 |
138 MarkBit new_mark_bit = ObjectMarking::MarkBitFrom(to); | 138 MarkBit new_mark_bit = ObjectMarking::MarkBitFrom(to); |
139 MarkBit old_mark_bit = ObjectMarking::MarkBitFrom(from); | 139 MarkBit old_mark_bit = ObjectMarking::MarkBitFrom(from); |
140 | 140 |
141 #ifdef DEBUG | 141 #ifdef DEBUG |
142 Marking::ObjectColor old_color = Marking::Color(old_mark_bit); | 142 Marking::ObjectColor old_color = Marking::Color(old_mark_bit); |
143 #endif | 143 #endif |
144 | 144 |
145 if (Marking::IsBlack(old_mark_bit)) { | 145 if (Marking::IsBlack(old_mark_bit)) { |
146 Marking::BlackToWhite(old_mark_bit); | 146 Marking::MarkWhite(old_mark_bit); |
147 Marking::WhiteToBlack(new_mark_bit); | 147 Marking::WhiteToBlack(new_mark_bit); |
148 return; | 148 return; |
149 } else if (Marking::IsGrey(old_mark_bit)) { | 149 } else if (Marking::IsGrey(old_mark_bit)) { |
150 Marking::GreyToWhite(old_mark_bit); | 150 Marking::MarkWhite(old_mark_bit); |
151 Marking::WhiteToGrey(new_mark_bit); | 151 Marking::WhiteToGrey(new_mark_bit); |
152 heap->mark_compact_collector()->marking_deque()->Push(to); | 152 heap->mark_compact_collector()->marking_deque()->Push(to); |
153 heap->incremental_marking()->RestartIfNotMarking(); | 153 heap->incremental_marking()->RestartIfNotMarking(); |
154 } | 154 } |
155 | 155 |
156 #ifdef DEBUG | 156 #ifdef DEBUG |
157 Marking::ObjectColor new_color = Marking::Color(new_mark_bit); | 157 Marking::ObjectColor new_color = Marking::Color(new_mark_bit); |
158 DCHECK(new_color == old_color); | 158 DCHECK(new_color == old_color); |
159 #endif | 159 #endif |
160 } | 160 } |
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1168 idle_marking_delay_counter_++; | 1168 idle_marking_delay_counter_++; |
1169 } | 1169 } |
1170 | 1170 |
1171 | 1171 |
1172 void IncrementalMarking::ClearIdleMarkingDelayCounter() { | 1172 void IncrementalMarking::ClearIdleMarkingDelayCounter() { |
1173 idle_marking_delay_counter_ = 0; | 1173 idle_marking_delay_counter_ = 0; |
1174 } | 1174 } |
1175 | 1175 |
1176 } // namespace internal | 1176 } // namespace internal |
1177 } // namespace v8 | 1177 } // namespace v8 |
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