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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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8131 | 8131 |
8132 inline void Initialize(); | 8132 inline void Initialize(); |
8133 | 8133 |
8134 // This method is expensive, it should only be called for reporting. | 8134 // This method is expensive, it should only be called for reporting. |
8135 bool IsNestedSite(); | 8135 bool IsNestedSite(); |
8136 | 8136 |
8137 class ElementsKindBits: public BitField<ElementsKind, 0, 15> {}; | 8137 class ElementsKindBits: public BitField<ElementsKind, 0, 15> {}; |
8138 class UnusedBits: public BitField<int, 15, 14> {}; | 8138 class UnusedBits: public BitField<int, 15, 14> {}; |
8139 class DoNotInlineBit: public BitField<bool, 29, 1> {}; | 8139 class DoNotInlineBit: public BitField<bool, 29, 1> {}; |
8140 | 8140 |
8141 inline void IncrementMementoFoundCount(); | 8141 // Increments the mementos found counter and returns true when the first |
| 8142 // memento was found for a given allocation site. |
| 8143 inline bool IncrementMementoFoundCount(); |
8142 | 8144 |
8143 inline void IncrementMementoCreateCount(); | 8145 inline void IncrementMementoCreateCount(); |
8144 | 8146 |
8145 PretenureFlag GetPretenureMode() { | 8147 PretenureFlag GetPretenureMode() { |
8146 int mode = pretenure_decision()->value(); | 8148 int mode = pretenure_decision()->value(); |
8147 // Zombie objects "decide" to be untenured. | 8149 // Zombie objects "decide" to be untenured. |
8148 return (mode == kTenure) ? TENURED : NOT_TENURED; | 8150 return (mode == kTenure) ? TENURED : NOT_TENURED; |
8149 } | 8151 } |
8150 | 8152 |
8151 // The pretenuring decision is made during gc, and the zombie state allows | 8153 // The pretenuring decision is made during gc, and the zombie state allows |
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10617 } else { | 10619 } else { |
10618 value &= ~(1 << bit_position); | 10620 value &= ~(1 << bit_position); |
10619 } | 10621 } |
10620 return value; | 10622 return value; |
10621 } | 10623 } |
10622 }; | 10624 }; |
10623 | 10625 |
10624 } } // namespace v8::internal | 10626 } } // namespace v8::internal |
10625 | 10627 |
10626 #endif // V8_OBJECTS_H_ | 10628 #endif // V8_OBJECTS_H_ |
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