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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 // Review notes: | 5 // Review notes: |
| 6 // | 6 // |
| 7 // - The use of macros in these inline functions may seem superfluous | 7 // - The use of macros in these inline functions may seem superfluous |
| 8 // but it is absolutely needed to make sure gcc generates optimal | 8 // but it is absolutely needed to make sure gcc generates optimal |
| 9 // code. gcc is not happy when attempting to inline too deep. | 9 // code. gcc is not happy when attempting to inline too deep. |
| 10 // | 10 // |
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| 2906 } | 2906 } |
| 2907 | 2907 |
| 2908 | 2908 |
| 2909 bool SeededNumberDictionary::requires_slow_elements() { | 2909 bool SeededNumberDictionary::requires_slow_elements() { |
| 2910 Object* max_index_object = get(kMaxNumberKeyIndex); | 2910 Object* max_index_object = get(kMaxNumberKeyIndex); |
| 2911 if (!max_index_object->IsSmi()) return false; | 2911 if (!max_index_object->IsSmi()) return false; |
| 2912 return 0 != | 2912 return 0 != |
| 2913 (Smi::cast(max_index_object)->value() & kRequiresSlowElementsMask); | 2913 (Smi::cast(max_index_object)->value() & kRequiresSlowElementsMask); |
| 2914 } | 2914 } |
| 2915 | 2915 |
| 2916 |
| 2916 uint32_t SeededNumberDictionary::max_number_key() { | 2917 uint32_t SeededNumberDictionary::max_number_key() { |
| 2917 DCHECK(!requires_slow_elements()); | 2918 DCHECK(!requires_slow_elements()); |
| 2918 Object* max_index_object = get(kMaxNumberKeyIndex); | 2919 Object* max_index_object = get(kMaxNumberKeyIndex); |
| 2919 if (!max_index_object->IsSmi()) return 0; | 2920 if (!max_index_object->IsSmi()) return 0; |
| 2920 uint32_t value = static_cast<uint32_t>(Smi::cast(max_index_object)->value()); | 2921 uint32_t value = static_cast<uint32_t>(Smi::cast(max_index_object)->value()); |
| 2921 return value >> kRequiresSlowElementsTagSize; | 2922 return value >> kRequiresSlowElementsTagSize; |
| 2922 } | 2923 } |
| 2923 | 2924 |
| 2925 |
| 2924 void SeededNumberDictionary::set_requires_slow_elements() { | 2926 void SeededNumberDictionary::set_requires_slow_elements() { |
| 2925 set(kMaxNumberKeyIndex, Smi::FromInt(kRequiresSlowElementsMask)); | 2927 set(kMaxNumberKeyIndex, Smi::FromInt(kRequiresSlowElementsMask)); |
| 2926 } | 2928 } |
| 2927 | 2929 |
| 2928 | 2930 |
| 2929 // ------------------------------------ | 2931 // ------------------------------------ |
| 2930 // Cast operations | 2932 // Cast operations |
| 2931 | 2933 |
| 2932 | 2934 |
| 2933 CAST_ACCESSOR(AccessorInfo) | 2935 CAST_ACCESSOR(AccessorInfo) |
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| 7285 #undef READ_SHORT_FIELD | 7287 #undef READ_SHORT_FIELD |
| 7286 #undef WRITE_SHORT_FIELD | 7288 #undef WRITE_SHORT_FIELD |
| 7287 #undef READ_BYTE_FIELD | 7289 #undef READ_BYTE_FIELD |
| 7288 #undef WRITE_BYTE_FIELD | 7290 #undef WRITE_BYTE_FIELD |
| 7289 #undef NOBARRIER_READ_BYTE_FIELD | 7291 #undef NOBARRIER_READ_BYTE_FIELD |
| 7290 #undef NOBARRIER_WRITE_BYTE_FIELD | 7292 #undef NOBARRIER_WRITE_BYTE_FIELD |
| 7291 | 7293 |
| 7292 } } // namespace v8::internal | 7294 } } // namespace v8::internal |
| 7293 | 7295 |
| 7294 #endif // V8_OBJECTS_INL_H_ | 7296 #endif // V8_OBJECTS_INL_H_ |
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