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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_GLOBALS_H_ | 5 #ifndef V8_GLOBALS_H_ |
6 #define V8_GLOBALS_H_ | 6 #define V8_GLOBALS_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 #include <stdint.h> | 9 #include <stdint.h> |
10 | 10 |
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1206 switch (function_type) { | 1206 switch (function_type) { |
1207 case CallableType::kJSFunction: | 1207 case CallableType::kJSFunction: |
1208 return os << "JSFunction"; | 1208 return os << "JSFunction"; |
1209 case CallableType::kAny: | 1209 case CallableType::kAny: |
1210 return os << "Any"; | 1210 return os << "Any"; |
1211 } | 1211 } |
1212 UNREACHABLE(); | 1212 UNREACHABLE(); |
1213 return os; | 1213 return os; |
1214 } | 1214 } |
1215 | 1215 |
| 1216 enum class PushArgsConstructMode : unsigned { |
| 1217 kJSFunction, |
| 1218 kWithFinalSpread, |
| 1219 kOther |
| 1220 }; |
| 1221 |
| 1222 inline size_t hash_value(PushArgsConstructMode mode) { |
| 1223 return bit_cast<unsigned>(mode); |
| 1224 } |
| 1225 |
| 1226 inline std::ostream& operator<<(std::ostream& os, PushArgsConstructMode mode) { |
| 1227 switch (mode) { |
| 1228 case PushArgsConstructMode::kJSFunction: |
| 1229 return os << "JSFunction"; |
| 1230 case PushArgsConstructMode::kWithFinalSpread: |
| 1231 return os << "WithFinalSpread"; |
| 1232 case PushArgsConstructMode::kOther: |
| 1233 return os << "Other"; |
| 1234 } |
| 1235 UNREACHABLE(); |
| 1236 return os; |
| 1237 } |
| 1238 |
1216 inline uint32_t ObjectHash(Address address) { | 1239 inline uint32_t ObjectHash(Address address) { |
1217 // All objects are at least pointer aligned, so we can remove the trailing | 1240 // All objects are at least pointer aligned, so we can remove the trailing |
1218 // zeros. | 1241 // zeros. |
1219 return static_cast<uint32_t>(bit_cast<uintptr_t>(address) >> | 1242 return static_cast<uint32_t>(bit_cast<uintptr_t>(address) >> |
1220 kPointerSizeLog2); | 1243 kPointerSizeLog2); |
1221 } | 1244 } |
1222 | 1245 |
1223 // Type feedback is encoded in such a way that, we can combine the feedback | 1246 // Type feedback is encoded in such a way that, we can combine the feedback |
1224 // at different points by performing an 'OR' operation. Type feedback moves | 1247 // at different points by performing an 'OR' operation. Type feedback moves |
1225 // to a more generic type when we combine feedback. | 1248 // to a more generic type when we combine feedback. |
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1325 } // namespace internal | 1348 } // namespace internal |
1326 } // namespace v8 | 1349 } // namespace v8 |
1327 | 1350 |
1328 // Used by js-builtin-reducer to identify whether ReduceArrayIterator() is | 1351 // Used by js-builtin-reducer to identify whether ReduceArrayIterator() is |
1329 // reducing a JSArray method, or a JSTypedArray method. | 1352 // reducing a JSArray method, or a JSTypedArray method. |
1330 enum class ArrayIteratorKind { kArray, kTypedArray }; | 1353 enum class ArrayIteratorKind { kArray, kTypedArray }; |
1331 | 1354 |
1332 namespace i = v8::internal; | 1355 namespace i = v8::internal; |
1333 | 1356 |
1334 #endif // V8_GLOBALS_H_ | 1357 #endif // V8_GLOBALS_H_ |
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