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1 // Copyright 2008 the V8 project authors. All rights reserved. | 1 // Copyright 2008 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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30 #include "compilation-cache.h" | 30 #include "compilation-cache.h" |
31 | 31 |
32 namespace v8 { | 32 namespace v8 { |
33 namespace internal { | 33 namespace internal { |
34 | 34 |
35 | 35 |
36 // The number of sub caches covering the different types to cache. | 36 // The number of sub caches covering the different types to cache. |
37 static const int kSubCacheCount = 4; | 37 static const int kSubCacheCount = 4; |
38 | 38 |
39 // The number of generations for each sub cache. | 39 // The number of generations for each sub cache. |
| 40 #if V8_TARGET_ARCH_ARM |
| 41 static const int kScriptGenerations = 1; |
| 42 static const int kEvalGlobalGenerations = 1; |
| 43 static const int kEvalContextualGenerations = 1; |
| 44 static const int kRegExpGenerations = 1; |
| 45 #else |
40 static const int kScriptGenerations = 5; | 46 static const int kScriptGenerations = 5; |
41 static const int kEvalGlobalGenerations = 2; | 47 static const int kEvalGlobalGenerations = 2; |
42 static const int kEvalContextualGenerations = 2; | 48 static const int kEvalContextualGenerations = 2; |
43 static const int kRegExpGenerations = 2; | 49 static const int kRegExpGenerations = 2; |
| 50 #endif |
44 | 51 |
45 // Initial of each compilation cache table allocated. | 52 // Initial of each compilation cache table allocated. |
46 static const int kInitialCacheSize = 64; | 53 static const int kInitialCacheSize = 64; |
47 | 54 |
48 // The compilation cache consists of several generational sub-caches which uses | 55 // The compilation cache consists of several generational sub-caches which uses |
49 // this class as a base class. A sub-cache contains a compilation cache tables | 56 // this class as a base class. A sub-cache contains a compilation cache tables |
50 // for each generation of the sub-cache. As the same source code string has | 57 // for each generation of the sub-cache. As the same source code string has |
51 // different compiled code for scripts and evals. Internally, we use separate | 58 // different compiled code for scripts and evals. Internally, we use separate |
52 // sub-caches to avoid getting the wrong kind of result when looking up. | 59 // sub-caches to avoid getting the wrong kind of result when looking up. |
53 class CompilationSubCache { | 60 class CompilationSubCache { |
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470 } | 477 } |
471 | 478 |
472 | 479 |
473 void CompilationCache::Disable() { | 480 void CompilationCache::Disable() { |
474 enabled = false; | 481 enabled = false; |
475 Clear(); | 482 Clear(); |
476 } | 483 } |
477 | 484 |
478 | 485 |
479 } } // namespace v8::internal | 486 } } // namespace v8::internal |
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