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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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| 912 for (int i = 0; i < kPrimaryTableSize; i++) { | 913 for (int i = 0; i < kPrimaryTableSize; i++) { |
| 913 if (primary_[i].key == name) { | 914 if (primary_[i].key == name) { |
| 914 Map* map = primary_[i].value->FindFirstMap(); | 915 Map* map = primary_[i].value->FindFirstMap(); |
| 915 // Map can be NULL, if the stub is constant function call | 916 // Map can be NULL, if the stub is constant function call |
| 916 // with a primitive receiver. | 917 // with a primitive receiver. |
| 917 if (map == NULL) continue; | 918 if (map == NULL) continue; |
| 918 | 919 |
| 919 int offset = PrimaryOffset(name, flags, map); | 920 int offset = PrimaryOffset(name, flags, map); |
| 920 if (entry(primary_, offset) == &primary_[i] && | 921 if (entry(primary_, offset) == &primary_[i] && |
| 921 !TypeFeedbackOracle::CanRetainOtherContext(map, *global_context)) { | 922 !TypeFeedbackOracle::CanRetainOtherContext(map, *global_context)) { |
| 922 types->Add(Handle<Map>(map)); | 923 types->Add(Handle<Map>(map), zone()); |
| 923 } | 924 } |
| 924 } | 925 } |
| 925 } | 926 } |
| 926 | 927 |
| 927 for (int i = 0; i < kSecondaryTableSize; i++) { | 928 for (int i = 0; i < kSecondaryTableSize; i++) { |
| 928 if (secondary_[i].key == name) { | 929 if (secondary_[i].key == name) { |
| 929 Map* map = secondary_[i].value->FindFirstMap(); | 930 Map* map = secondary_[i].value->FindFirstMap(); |
| 930 // Map can be NULL, if the stub is constant function call | 931 // Map can be NULL, if the stub is constant function call |
| 931 // with a primitive receiver. | 932 // with a primitive receiver. |
| 932 if (map == NULL) continue; | 933 if (map == NULL) continue; |
| 933 | 934 |
| 934 // Lookup in primary table and skip duplicates. | 935 // Lookup in primary table and skip duplicates. |
| 935 int primary_offset = PrimaryOffset(name, flags, map); | 936 int primary_offset = PrimaryOffset(name, flags, map); |
| 936 Entry* primary_entry = entry(primary_, primary_offset); | 937 Entry* primary_entry = entry(primary_, primary_offset); |
| 937 if (primary_entry->key == name) { | 938 if (primary_entry->key == name) { |
| 938 Map* primary_map = primary_entry->value->FindFirstMap(); | 939 Map* primary_map = primary_entry->value->FindFirstMap(); |
| 939 if (map == primary_map) continue; | 940 if (map == primary_map) continue; |
| 940 } | 941 } |
| 941 | 942 |
| 942 // Lookup in secondary table and add matches. | 943 // Lookup in secondary table and add matches. |
| 943 int offset = SecondaryOffset(name, flags, primary_offset); | 944 int offset = SecondaryOffset(name, flags, primary_offset); |
| 944 if (entry(secondary_, offset) == &secondary_[i] && | 945 if (entry(secondary_, offset) == &secondary_[i] && |
| 945 !TypeFeedbackOracle::CanRetainOtherContext(map, *global_context)) { | 946 !TypeFeedbackOracle::CanRetainOtherContext(map, *global_context)) { |
| 946 types->Add(Handle<Map>(map)); | 947 types->Add(Handle<Map>(map), zone()); |
| 947 } | 948 } |
| 948 } | 949 } |
| 949 } | 950 } |
| 950 } | 951 } |
| 951 | 952 |
| 952 | 953 |
| 953 // ------------------------------------------------------------------------ | 954 // ------------------------------------------------------------------------ |
| 954 // StubCompiler implementation. | 955 // StubCompiler implementation. |
| 955 | 956 |
| 956 | 957 |
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| 1545 Handle<FunctionTemplateInfo>( | 1546 Handle<FunctionTemplateInfo>( |
| 1546 FunctionTemplateInfo::cast(signature->receiver())); | 1547 FunctionTemplateInfo::cast(signature->receiver())); |
| 1547 } | 1548 } |
| 1548 } | 1549 } |
| 1549 | 1550 |
| 1550 is_simple_api_call_ = true; | 1551 is_simple_api_call_ = true; |
| 1551 } | 1552 } |
| 1552 | 1553 |
| 1553 | 1554 |
| 1554 } } // namespace v8::internal | 1555 } } // namespace v8::internal |
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