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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 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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1662 // numbers array are the same object, the elements are only swapped | 1662 // numbers array are the same object, the elements are only swapped |
1663 // once. | 1663 // once. |
1664 void SwapPairs(FixedArray* numbers, int i, int j); | 1664 void SwapPairs(FixedArray* numbers, int i, int j); |
1665 | 1665 |
1666 // Sort prefix of this array and the numbers array as pairs wrt. the | 1666 // Sort prefix of this array and the numbers array as pairs wrt. the |
1667 // numbers. If the numbers array and the this array are the same | 1667 // numbers. If the numbers array and the this array are the same |
1668 // object, the prefix of this array is sorted. | 1668 // object, the prefix of this array is sorted. |
1669 void SortPairs(FixedArray* numbers, uint32_t len); | 1669 void SortPairs(FixedArray* numbers, uint32_t len); |
1670 | 1670 |
1671 protected: | 1671 protected: |
1672 // Set operation on FixedArray without using write barriers. | 1672 // Set operation on FixedArray without using write barriers. Can |
| 1673 // only be used for storing old space objects or smis. |
1673 static inline void fast_set(FixedArray* array, int index, Object* value); | 1674 static inline void fast_set(FixedArray* array, int index, Object* value); |
1674 | 1675 |
1675 private: | 1676 private: |
1676 DISALLOW_IMPLICIT_CONSTRUCTORS(FixedArray); | 1677 DISALLOW_IMPLICIT_CONSTRUCTORS(FixedArray); |
1677 }; | 1678 }; |
1678 | 1679 |
1679 | 1680 |
1680 // DescriptorArrays are fixed arrays used to hold instance descriptors. | 1681 // DescriptorArrays are fixed arrays used to hold instance descriptors. |
1681 // The format of the these objects is: | 1682 // The format of the these objects is: |
1682 // [0]: point to a fixed array with (value, detail) pairs. | 1683 // [0]: point to a fixed array with (value, detail) pairs. |
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4962 } else { | 4963 } else { |
4963 value &= ~(1 << bit_position); | 4964 value &= ~(1 << bit_position); |
4964 } | 4965 } |
4965 return value; | 4966 return value; |
4966 } | 4967 } |
4967 }; | 4968 }; |
4968 | 4969 |
4969 } } // namespace v8::internal | 4970 } } // namespace v8::internal |
4970 | 4971 |
4971 #endif // V8_OBJECTS_H_ | 4972 #endif // V8_OBJECTS_H_ |
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