OLD | NEW |
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 |
(...skipping 59 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
70 LAST_FAST_ELEMENTS_KIND = FAST_HOLEY_DOUBLE_ELEMENTS, | 70 LAST_FAST_ELEMENTS_KIND = FAST_HOLEY_DOUBLE_ELEMENTS, |
71 FIRST_EXTERNAL_ARRAY_ELEMENTS_KIND = EXTERNAL_BYTE_ELEMENTS, | 71 FIRST_EXTERNAL_ARRAY_ELEMENTS_KIND = EXTERNAL_BYTE_ELEMENTS, |
72 LAST_EXTERNAL_ARRAY_ELEMENTS_KIND = EXTERNAL_PIXEL_ELEMENTS, | 72 LAST_EXTERNAL_ARRAY_ELEMENTS_KIND = EXTERNAL_PIXEL_ELEMENTS, |
73 TERMINAL_FAST_ELEMENTS_KIND = FAST_HOLEY_ELEMENTS | 73 TERMINAL_FAST_ELEMENTS_KIND = FAST_HOLEY_ELEMENTS |
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 |
| 81 const int kFastElementsKindPackedToHoley = |
| 82 FAST_HOLEY_SMI_ELEMENTS - FAST_SMI_ELEMENTS; |
| 83 |
80 const char* ElementsKindToString(ElementsKind kind); | 84 const char* ElementsKindToString(ElementsKind kind); |
81 void PrintElementsKind(FILE* out, ElementsKind kind); | 85 void PrintElementsKind(FILE* out, ElementsKind kind); |
82 | 86 |
83 ElementsKind GetInitialFastElementsKind(); | 87 ElementsKind GetInitialFastElementsKind(); |
84 | 88 |
85 ElementsKind GetFastElementsKindFromSequenceIndex(int sequence_index); | 89 ElementsKind GetFastElementsKindFromSequenceIndex(int sequence_index); |
86 | 90 |
87 int GetSequenceIndexFromFastElementsKind(ElementsKind elements_kind); | 91 int GetSequenceIndexFromFastElementsKind(ElementsKind elements_kind); |
88 | 92 |
89 | 93 |
(...skipping 135 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
225 bool allow_only_packed) { | 229 bool allow_only_packed) { |
226 return IsFastElementsKind(elements_kind) && | 230 return IsFastElementsKind(elements_kind) && |
227 (elements_kind != TERMINAL_FAST_ELEMENTS_KIND && | 231 (elements_kind != TERMINAL_FAST_ELEMENTS_KIND && |
228 (!allow_only_packed || elements_kind != FAST_ELEMENTS)); | 232 (!allow_only_packed || elements_kind != FAST_ELEMENTS)); |
229 } | 233 } |
230 | 234 |
231 | 235 |
232 } } // namespace v8::internal | 236 } } // namespace v8::internal |
233 | 237 |
234 #endif // V8_ELEMENTS_KIND_H_ | 238 #endif // V8_ELEMENTS_KIND_H_ |
OLD | NEW |