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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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937 | 937 |
938 #define WRITE_INTPTR_FIELD(p, offset, value) \ | 938 #define WRITE_INTPTR_FIELD(p, offset, value) \ |
939 (*reinterpret_cast<intptr_t*>(FIELD_ADDR(p, offset)) = value) | 939 (*reinterpret_cast<intptr_t*>(FIELD_ADDR(p, offset)) = value) |
940 | 940 |
941 #define READ_UINT32_FIELD(p, offset) \ | 941 #define READ_UINT32_FIELD(p, offset) \ |
942 (*reinterpret_cast<uint32_t*>(FIELD_ADDR(p, offset))) | 942 (*reinterpret_cast<uint32_t*>(FIELD_ADDR(p, offset))) |
943 | 943 |
944 #define WRITE_UINT32_FIELD(p, offset, value) \ | 944 #define WRITE_UINT32_FIELD(p, offset, value) \ |
945 (*reinterpret_cast<uint32_t*>(FIELD_ADDR(p, offset)) = value) | 945 (*reinterpret_cast<uint32_t*>(FIELD_ADDR(p, offset)) = value) |
946 | 946 |
947 #define READ_INT64_FIELD(p, offset) \ | |
948 (*reinterpret_cast<int64_t*>(FIELD_ADDR(p, offset))) | |
949 | |
950 #define WRITE_INT64_FIELD(p, offset, value) \ | |
951 (*reinterpret_cast<int64_t*>(FIELD_ADDR(p, offset)) = value) | |
952 | |
947 #define READ_SHORT_FIELD(p, offset) \ | 953 #define READ_SHORT_FIELD(p, offset) \ |
948 (*reinterpret_cast<uint16_t*>(FIELD_ADDR(p, offset))) | 954 (*reinterpret_cast<uint16_t*>(FIELD_ADDR(p, offset))) |
949 | 955 |
950 #define WRITE_SHORT_FIELD(p, offset, value) \ | 956 #define WRITE_SHORT_FIELD(p, offset, value) \ |
951 (*reinterpret_cast<uint16_t*>(FIELD_ADDR(p, offset)) = value) | 957 (*reinterpret_cast<uint16_t*>(FIELD_ADDR(p, offset)) = value) |
952 | 958 |
953 #define READ_BYTE_FIELD(p, offset) \ | 959 #define READ_BYTE_FIELD(p, offset) \ |
954 (*reinterpret_cast<byte*>(FIELD_ADDR(p, offset))) | 960 (*reinterpret_cast<byte*>(FIELD_ADDR(p, offset))) |
955 | 961 |
956 #define WRITE_BYTE_FIELD(p, offset, value) \ | 962 #define WRITE_BYTE_FIELD(p, offset, value) \ |
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1694 | 1700 |
1695 double FixedDoubleArray::get_scalar(int index) { | 1701 double FixedDoubleArray::get_scalar(int index) { |
1696 ASSERT(map() != HEAP->fixed_cow_array_map() && | 1702 ASSERT(map() != HEAP->fixed_cow_array_map() && |
1697 map() != HEAP->fixed_array_map()); | 1703 map() != HEAP->fixed_array_map()); |
1698 ASSERT(index >= 0 && index < this->length()); | 1704 ASSERT(index >= 0 && index < this->length()); |
1699 double result = READ_DOUBLE_FIELD(this, kHeaderSize + index * kDoubleSize); | 1705 double result = READ_DOUBLE_FIELD(this, kHeaderSize + index * kDoubleSize); |
1700 ASSERT(!is_the_hole_nan(result)); | 1706 ASSERT(!is_the_hole_nan(result)); |
1701 return result; | 1707 return result; |
1702 } | 1708 } |
1703 | 1709 |
1710 int64_t FixedDoubleArray::get_representation(int index) { | |
1711 ASSERT(map() != HEAP->fixed_cow_array_map() && | |
1712 map() != HEAP->fixed_array_map()); | |
1713 ASSERT(index >= 0 && index < this->length()); | |
1714 int64_t result = READ_INT64_FIELD(this, kHeaderSize + index * kDoubleSize); | |
Sven Panne
2012/03/23 09:48:30
No need to name this explicitly...
| |
1715 return result; | |
1716 } | |
1704 | 1717 |
1705 MaybeObject* FixedDoubleArray::get(int index) { | 1718 MaybeObject* FixedDoubleArray::get(int index) { |
1706 if (is_the_hole(index)) { | 1719 if (is_the_hole(index)) { |
1707 return GetHeap()->the_hole_value(); | 1720 return GetHeap()->the_hole_value(); |
1708 } else { | 1721 } else { |
1709 return GetHeap()->NumberFromDouble(get_scalar(index)); | 1722 return GetHeap()->NumberFromDouble(get_scalar(index)); |
1710 } | 1723 } |
1711 } | 1724 } |
1712 | 1725 |
1713 | 1726 |
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4915 #undef WRITE_UINT32_FIELD | 4928 #undef WRITE_UINT32_FIELD |
4916 #undef READ_SHORT_FIELD | 4929 #undef READ_SHORT_FIELD |
4917 #undef WRITE_SHORT_FIELD | 4930 #undef WRITE_SHORT_FIELD |
4918 #undef READ_BYTE_FIELD | 4931 #undef READ_BYTE_FIELD |
4919 #undef WRITE_BYTE_FIELD | 4932 #undef WRITE_BYTE_FIELD |
4920 | 4933 |
4921 | 4934 |
4922 } } // namespace v8::internal | 4935 } } // namespace v8::internal |
4923 | 4936 |
4924 #endif // V8_OBJECTS_INL_H_ | 4937 #endif // V8_OBJECTS_INL_H_ |
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