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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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| 36 #include "stub-cache.h" | 36 #include "stub-cache.h" |
| 37 #include "vm-state-inl.h" | 37 #include "vm-state-inl.h" |
| 38 | 38 |
| 39 namespace v8 { | 39 namespace v8 { |
| 40 namespace internal { | 40 namespace internal { |
| 41 | 41 |
| 42 // ----------------------------------------------------------------------- | 42 // ----------------------------------------------------------------------- |
| 43 // StubCache implementation. | 43 // StubCache implementation. |
| 44 | 44 |
| 45 | 45 |
| 46 StubCache::StubCache(Isolate* isolate) : isolate_(isolate) { | 46 StubCache::StubCache(Isolate* isolate, Zone* zone) |
| 47 : isolate_(isolate), zone_(zone) { |
| 47 ASSERT(isolate == Isolate::Current()); | 48 ASSERT(isolate == Isolate::Current()); |
| 48 } | 49 } |
| 49 | 50 |
| 50 | 51 |
| 51 void StubCache::Initialize() { | 52 void StubCache::Initialize() { |
| 52 ASSERT(IsPowerOf2(kPrimaryTableSize)); | 53 ASSERT(IsPowerOf2(kPrimaryTableSize)); |
| 53 ASSERT(IsPowerOf2(kSecondaryTableSize)); | 54 ASSERT(IsPowerOf2(kSecondaryTableSize)); |
| 54 Clear(); | 55 Clear(); |
| 55 } | 56 } |
| 56 | 57 |
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| 894 for (int i = 0; i < kPrimaryTableSize; i++) { | 895 for (int i = 0; i < kPrimaryTableSize; i++) { |
| 895 if (primary_[i].key == name) { | 896 if (primary_[i].key == name) { |
| 896 Map* map = primary_[i].value->FindFirstMap(); | 897 Map* map = primary_[i].value->FindFirstMap(); |
| 897 // Map can be NULL, if the stub is constant function call | 898 // Map can be NULL, if the stub is constant function call |
| 898 // with a primitive receiver. | 899 // with a primitive receiver. |
| 899 if (map == NULL) continue; | 900 if (map == NULL) continue; |
| 900 | 901 |
| 901 int offset = PrimaryOffset(name, flags, map); | 902 int offset = PrimaryOffset(name, flags, map); |
| 902 if (entry(primary_, offset) == &primary_[i] && | 903 if (entry(primary_, offset) == &primary_[i] && |
| 903 !TypeFeedbackOracle::CanRetainOtherContext(map, *global_context)) { | 904 !TypeFeedbackOracle::CanRetainOtherContext(map, *global_context)) { |
| 904 types->Add(Handle<Map>(map)); | 905 types->Add(Handle<Map>(map), zone()); |
| 905 } | 906 } |
| 906 } | 907 } |
| 907 } | 908 } |
| 908 | 909 |
| 909 for (int i = 0; i < kSecondaryTableSize; i++) { | 910 for (int i = 0; i < kSecondaryTableSize; i++) { |
| 910 if (secondary_[i].key == name) { | 911 if (secondary_[i].key == name) { |
| 911 Map* map = secondary_[i].value->FindFirstMap(); | 912 Map* map = secondary_[i].value->FindFirstMap(); |
| 912 // Map can be NULL, if the stub is constant function call | 913 // Map can be NULL, if the stub is constant function call |
| 913 // with a primitive receiver. | 914 // with a primitive receiver. |
| 914 if (map == NULL) continue; | 915 if (map == NULL) continue; |
| 915 | 916 |
| 916 // Lookup in primary table and skip duplicates. | 917 // Lookup in primary table and skip duplicates. |
| 917 int primary_offset = PrimaryOffset(name, flags, map); | 918 int primary_offset = PrimaryOffset(name, flags, map); |
| 918 Entry* primary_entry = entry(primary_, primary_offset); | 919 Entry* primary_entry = entry(primary_, primary_offset); |
| 919 if (primary_entry->key == name) { | 920 if (primary_entry->key == name) { |
| 920 Map* primary_map = primary_entry->value->FindFirstMap(); | 921 Map* primary_map = primary_entry->value->FindFirstMap(); |
| 921 if (map == primary_map) continue; | 922 if (map == primary_map) continue; |
| 922 } | 923 } |
| 923 | 924 |
| 924 // Lookup in secondary table and add matches. | 925 // Lookup in secondary table and add matches. |
| 925 int offset = SecondaryOffset(name, flags, primary_offset); | 926 int offset = SecondaryOffset(name, flags, primary_offset); |
| 926 if (entry(secondary_, offset) == &secondary_[i] && | 927 if (entry(secondary_, offset) == &secondary_[i] && |
| 927 !TypeFeedbackOracle::CanRetainOtherContext(map, *global_context)) { | 928 !TypeFeedbackOracle::CanRetainOtherContext(map, *global_context)) { |
| 928 types->Add(Handle<Map>(map)); | 929 types->Add(Handle<Map>(map), zone()); |
| 929 } | 930 } |
| 930 } | 931 } |
| 931 } | 932 } |
| 932 } | 933 } |
| 933 | 934 |
| 934 | 935 |
| 935 // ------------------------------------------------------------------------ | 936 // ------------------------------------------------------------------------ |
| 936 // StubCompiler implementation. | 937 // StubCompiler implementation. |
| 937 | 938 |
| 938 | 939 |
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| 1525 Handle<FunctionTemplateInfo>( | 1526 Handle<FunctionTemplateInfo>( |
| 1526 FunctionTemplateInfo::cast(signature->receiver())); | 1527 FunctionTemplateInfo::cast(signature->receiver())); |
| 1527 } | 1528 } |
| 1528 } | 1529 } |
| 1529 | 1530 |
| 1530 is_simple_api_call_ = true; | 1531 is_simple_api_call_ = true; |
| 1531 } | 1532 } |
| 1532 | 1533 |
| 1533 | 1534 |
| 1534 } } // namespace v8::internal | 1535 } } // namespace v8::internal |
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