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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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74 }; | 74 }; |
75 | 75 |
76 const int kElementsKindCount = LAST_ELEMENTS_KIND - FIRST_ELEMENTS_KIND + 1; | 76 const int kElementsKindCount = LAST_ELEMENTS_KIND - FIRST_ELEMENTS_KIND + 1; |
77 const int kFastElementsKindCount = LAST_FAST_ELEMENTS_KIND - | 77 const int kFastElementsKindCount = LAST_FAST_ELEMENTS_KIND - |
78 FIRST_FAST_ELEMENTS_KIND + 1; | 78 FIRST_FAST_ELEMENTS_KIND + 1; |
79 | 79 |
80 // The number to add to a packed elements kind to reach a holey elements kind | 80 // The number to add to a packed elements kind to reach a holey elements kind |
81 const int kFastElementsKindPackedToHoley = | 81 const int kFastElementsKindPackedToHoley = |
82 FAST_HOLEY_SMI_ELEMENTS - FAST_SMI_ELEMENTS; | 82 FAST_HOLEY_SMI_ELEMENTS - FAST_SMI_ELEMENTS; |
83 | 83 |
| 84 int ElementsKindToShiftSize(ElementsKind elements_kind); |
84 const char* ElementsKindToString(ElementsKind kind); | 85 const char* ElementsKindToString(ElementsKind kind); |
85 void PrintElementsKind(FILE* out, ElementsKind kind); | 86 void PrintElementsKind(FILE* out, ElementsKind kind); |
86 | 87 |
87 ElementsKind GetInitialFastElementsKind(); | 88 ElementsKind GetInitialFastElementsKind(); |
88 | 89 |
89 ElementsKind GetFastElementsKindFromSequenceIndex(int sequence_index); | 90 ElementsKind GetFastElementsKindFromSequenceIndex(int sequence_index); |
90 | 91 |
91 int GetSequenceIndexFromFastElementsKind(ElementsKind elements_kind); | 92 int GetSequenceIndexFromFastElementsKind(ElementsKind elements_kind); |
92 | 93 |
93 | 94 |
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229 bool allow_only_packed) { | 230 bool allow_only_packed) { |
230 return IsFastElementsKind(elements_kind) && | 231 return IsFastElementsKind(elements_kind) && |
231 (elements_kind != TERMINAL_FAST_ELEMENTS_KIND && | 232 (elements_kind != TERMINAL_FAST_ELEMENTS_KIND && |
232 (!allow_only_packed || elements_kind != FAST_ELEMENTS)); | 233 (!allow_only_packed || elements_kind != FAST_ELEMENTS)); |
233 } | 234 } |
234 | 235 |
235 | 236 |
236 } } // namespace v8::internal | 237 } } // namespace v8::internal |
237 | 238 |
238 #endif // V8_ELEMENTS_KIND_H_ | 239 #endif // V8_ELEMENTS_KIND_H_ |
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