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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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2482 | 2482 |
2483 // Code Generation support. | 2483 // Code Generation support. |
2484 static int OffsetOfElementAt(int index) { return SizeFor(index); } | 2484 static int OffsetOfElementAt(int index) { return SizeFor(index); } |
2485 | 2485 |
2486 inline static bool is_the_hole_nan(double value); | 2486 inline static bool is_the_hole_nan(double value); |
2487 inline static double hole_nan_as_double(); | 2487 inline static double hole_nan_as_double(); |
2488 inline static double canonical_not_the_hole_nan_as_double(); | 2488 inline static double canonical_not_the_hole_nan_as_double(); |
2489 | 2489 |
2490 // Casting. | 2490 // Casting. |
2491 static inline FixedDoubleArray* cast(Object* obj); | 2491 static inline FixedDoubleArray* cast(Object* obj); |
2492 static inline FixedDoubleArray* castOrEmptyFixedArray(Object* obj); | |
2493 | 2492 |
2494 // Maximal allowed size, in bytes, of a single FixedDoubleArray. | 2493 // Maximal allowed size, in bytes, of a single FixedDoubleArray. |
2495 // Prevents overflowing size computations, as well as extreme memory | 2494 // Prevents overflowing size computations, as well as extreme memory |
2496 // consumption. | 2495 // consumption. |
2497 static const int kMaxSize = 512 * MB; | 2496 static const int kMaxSize = 512 * MB; |
2498 // Maximally allowed length of a FixedArray. | 2497 // Maximally allowed length of a FixedArray. |
2499 static const int kMaxLength = (kMaxSize - kHeaderSize) / kDoubleSize; | 2498 static const int kMaxLength = (kMaxSize - kHeaderSize) / kDoubleSize; |
2500 | 2499 |
2501 // Dispatched behavior. | 2500 // Dispatched behavior. |
2502 #ifdef OBJECT_PRINT | 2501 #ifdef OBJECT_PRINT |
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9003 } else { | 9002 } else { |
9004 value &= ~(1 << bit_position); | 9003 value &= ~(1 << bit_position); |
9005 } | 9004 } |
9006 return value; | 9005 return value; |
9007 } | 9006 } |
9008 }; | 9007 }; |
9009 | 9008 |
9010 } } // namespace v8::internal | 9009 } } // namespace v8::internal |
9011 | 9010 |
9012 #endif // V8_OBJECTS_H_ | 9011 #endif // V8_OBJECTS_H_ |
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