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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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| 61 ElementsKind* fast_elements_kind_sequence = | 61 ElementsKind* fast_elements_kind_sequence = |
| 62 new ElementsKind[kFastElementsKindCount]; | 62 new ElementsKind[kFastElementsKindCount]; |
| 63 *fast_elements_kind_sequence_ptr = fast_elements_kind_sequence; | 63 *fast_elements_kind_sequence_ptr = fast_elements_kind_sequence; |
| 64 STATIC_ASSERT(FAST_SMI_ELEMENTS == FIRST_FAST_ELEMENTS_KIND); | 64 STATIC_ASSERT(FAST_SMI_ELEMENTS == FIRST_FAST_ELEMENTS_KIND); |
| 65 fast_elements_kind_sequence[0] = FAST_SMI_ELEMENTS; | 65 fast_elements_kind_sequence[0] = FAST_SMI_ELEMENTS; |
| 66 fast_elements_kind_sequence[1] = FAST_HOLEY_SMI_ELEMENTS; | 66 fast_elements_kind_sequence[1] = FAST_HOLEY_SMI_ELEMENTS; |
| 67 fast_elements_kind_sequence[2] = FAST_DOUBLE_ELEMENTS; | 67 fast_elements_kind_sequence[2] = FAST_DOUBLE_ELEMENTS; |
| 68 fast_elements_kind_sequence[3] = FAST_HOLEY_DOUBLE_ELEMENTS; | 68 fast_elements_kind_sequence[3] = FAST_HOLEY_DOUBLE_ELEMENTS; |
| 69 fast_elements_kind_sequence[4] = FAST_ELEMENTS; | 69 fast_elements_kind_sequence[4] = FAST_ELEMENTS; |
| 70 fast_elements_kind_sequence[5] = FAST_HOLEY_ELEMENTS; | 70 fast_elements_kind_sequence[5] = FAST_HOLEY_ELEMENTS; |
| 71 |
| 72 // Verify that kFastElementsKindPackedToHoley is correct. |
| 73 STATIC_ASSERT(FAST_SMI_ELEMENTS + kFastElementsKindPackedToHoley == |
| 74 FAST_HOLEY_SMI_ELEMENTS); |
| 75 STATIC_ASSERT(FAST_DOUBLE_ELEMENTS + kFastElementsKindPackedToHoley == |
| 76 FAST_HOLEY_DOUBLE_ELEMENTS); |
| 77 STATIC_ASSERT(FAST_ELEMENTS + kFastElementsKindPackedToHoley == |
| 78 FAST_HOLEY_ELEMENTS); |
| 71 } | 79 } |
| 72 }; | 80 }; |
| 73 | 81 |
| 74 | 82 |
| 75 static LazyInstance<ElementsKind*, | 83 static LazyInstance<ElementsKind*, |
| 76 InitializeFastElementsKindSequence>::type | 84 InitializeFastElementsKindSequence>::type |
| 77 fast_elements_kind_sequence = LAZY_INSTANCE_INITIALIZER; | 85 fast_elements_kind_sequence = LAZY_INSTANCE_INITIALIZER; |
| 78 | 86 |
| 79 | 87 |
| 80 ElementsKind GetFastElementsKindFromSequenceIndex(int sequence_number) { | 88 ElementsKind GetFastElementsKindFromSequenceIndex(int sequence_number) { |
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| 131 return to_kind == FAST_HOLEY_ELEMENTS; | 139 return to_kind == FAST_HOLEY_ELEMENTS; |
| 132 case FAST_HOLEY_ELEMENTS: | 140 case FAST_HOLEY_ELEMENTS: |
| 133 return false; | 141 return false; |
| 134 default: | 142 default: |
| 135 return false; | 143 return false; |
| 136 } | 144 } |
| 137 } | 145 } |
| 138 | 146 |
| 139 | 147 |
| 140 } } // namespace v8::internal | 148 } } // namespace v8::internal |
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