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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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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 const char* ElementsKindToString(ElementsKind kind); |
80 void PrintElementsKind(FILE* out, ElementsKind kind); | 81 void PrintElementsKind(FILE* out, ElementsKind kind); |
81 | 82 |
82 ElementsKind GetInitialFastElementsKind(); | 83 ElementsKind GetInitialFastElementsKind(); |
83 | 84 |
84 ElementsKind GetFastElementsKindFromSequenceIndex(int sequence_index); | 85 ElementsKind GetFastElementsKindFromSequenceIndex(int sequence_index); |
85 | 86 |
86 int GetSequenceIndexFromFastElementsKind(ElementsKind elements_kind); | 87 int GetSequenceIndexFromFastElementsKind(ElementsKind elements_kind); |
87 | 88 |
88 | 89 |
89 inline bool IsDictionaryElementsKind(ElementsKind kind) { | 90 inline bool IsDictionaryElementsKind(ElementsKind kind) { |
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102 return kind <= FAST_HOLEY_DOUBLE_ELEMENTS; | 103 return kind <= FAST_HOLEY_DOUBLE_ELEMENTS; |
103 } | 104 } |
104 | 105 |
105 | 106 |
106 inline bool IsFastDoubleElementsKind(ElementsKind kind) { | 107 inline bool IsFastDoubleElementsKind(ElementsKind kind) { |
107 return kind == FAST_DOUBLE_ELEMENTS || | 108 return kind == FAST_DOUBLE_ELEMENTS || |
108 kind == FAST_HOLEY_DOUBLE_ELEMENTS; | 109 kind == FAST_HOLEY_DOUBLE_ELEMENTS; |
109 } | 110 } |
110 | 111 |
111 | 112 |
| 113 inline bool IsDoubleOrFloatElementsKind(ElementsKind kind) { |
| 114 return IsFastDoubleElementsKind(kind) || |
| 115 kind == EXTERNAL_DOUBLE_ELEMENTS || |
| 116 kind == EXTERNAL_FLOAT_ELEMENTS; |
| 117 } |
| 118 |
| 119 |
112 inline bool IsFastSmiOrObjectElementsKind(ElementsKind kind) { | 120 inline bool IsFastSmiOrObjectElementsKind(ElementsKind kind) { |
113 return kind == FAST_SMI_ELEMENTS || | 121 return kind == FAST_SMI_ELEMENTS || |
114 kind == FAST_HOLEY_SMI_ELEMENTS || | 122 kind == FAST_HOLEY_SMI_ELEMENTS || |
115 kind == FAST_ELEMENTS || | 123 kind == FAST_ELEMENTS || |
116 kind == FAST_HOLEY_ELEMENTS; | 124 kind == FAST_HOLEY_ELEMENTS; |
117 } | 125 } |
118 | 126 |
119 | 127 |
120 inline bool IsFastSmiElementsKind(ElementsKind kind) { | 128 inline bool IsFastSmiElementsKind(ElementsKind kind) { |
121 return kind == FAST_SMI_ELEMENTS || | 129 return kind == FAST_SMI_ELEMENTS || |
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212 bool allow_only_packed) { | 220 bool allow_only_packed) { |
213 return IsFastElementsKind(elements_kind) && | 221 return IsFastElementsKind(elements_kind) && |
214 (elements_kind != TERMINAL_FAST_ELEMENTS_KIND && | 222 (elements_kind != TERMINAL_FAST_ELEMENTS_KIND && |
215 (!allow_only_packed || elements_kind != FAST_ELEMENTS)); | 223 (!allow_only_packed || elements_kind != FAST_ELEMENTS)); |
216 } | 224 } |
217 | 225 |
218 | 226 |
219 } } // namespace v8::internal | 227 } } // namespace v8::internal |
220 | 228 |
221 #endif // V8_ELEMENTS_KIND_H_ | 229 #endif // V8_ELEMENTS_KIND_H_ |
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