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-rw-r--r--runtime/interpreter/interpreter_cache-inl.h67
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diff --git a/runtime/interpreter/interpreter_cache-inl.h b/runtime/interpreter/interpreter_cache-inl.h
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--- a/runtime/interpreter/interpreter_cache-inl.h
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-/*
- * Copyright (C) 2022 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef ART_RUNTIME_INTERPRETER_INTERPRETER_CACHE_INL_H_
-#define ART_RUNTIME_INTERPRETER_INTERPRETER_CACHE_INL_H_
-
-#include "interpreter_cache.h"
-#include "thread.h"
-
-namespace art {
-
-template<bool kSkipThreadLocal>
-inline bool InterpreterCache::Get(Thread* self, const void* dex_instr, /* out */ size_t* value) {
- DCHECK(self->GetInterpreterCache() == this) << "Must be called from owning thread";
- size_t key = reinterpret_cast<size_t>(dex_instr);
- Entry& local_entry = thread_local_array_[IndexOf<kThreadLocalSize>(key)];
- if (kSkipThreadLocal) {
- DCHECK_NE(local_entry.first, key) << "Expected cache miss";
- } else {
- if (LIKELY(local_entry.first == key)) {
- *value = local_entry.second;
- return true;
- }
- }
- Entry shared_entry = AtomicPairLoadAcquire(&shared_array_[IndexOf<kSharedSize>(key)]);
- if (LIKELY(shared_entry.first == key)) {
- // For simplicity, only update the cache if weak ref accesses are enabled. If
- // they are disabled, this means the GC is processing the cache, and is
- // reading it concurrently.
- if (self->GetWeakRefAccessEnabled()) {
- local_entry = shared_entry; // Copy to local array to make future lookup faster.
- }
- *value = shared_entry.second;
- return true;
- }
- return false;
-}
-
-inline void InterpreterCache::Set(Thread* self, const void* dex_instr, size_t value) {
- DCHECK(self->GetInterpreterCache() == this) << "Must be called from owning thread";
-
- // For simplicity, only update the cache if weak ref accesses are enabled. If
- // they are disabled, this means the GC is processing the cache, and is
- // reading it concurrently.
- if (self->GetWeakRefAccessEnabled()) {
- size_t key = reinterpret_cast<size_t>(dex_instr);
- thread_local_array_[IndexOf<kThreadLocalSize>(key)] = {key, value};
- AtomicPairStoreRelease(&shared_array_[IndexOf<kSharedSize>(key)], {key, value});
- }
-}
-
-} // namespace art
-
-#endif // ART_RUNTIME_INTERPRETER_INTERPRETER_CACHE_INL_H_