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Side by Side Diff: runtime/vm/object.h

Issue 1343383003: VM: Store edge counters in one per-function array. (Closed) Base URL: git@github.com:dart-lang/sdk.git@master
Patch Set: clean up comments, save space in IL Instruction class. Created 5 years, 3 months ago
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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 #ifndef VM_OBJECT_H_ 5 #ifndef VM_OBJECT_H_
6 #define VM_OBJECT_H_ 6 #define VM_OBJECT_H_
7 7
8 #include "include/dart_api.h" 8 #include "include/dart_api.h"
9 #include "platform/assert.h" 9 #include "platform/assert.h"
10 #include "platform/utils.h" 10 #include "platform/utils.h"
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2592 2592
2593 // Slow function, use in asserts to track changes in important library 2593 // Slow function, use in asserts to track changes in important library
2594 // functions. 2594 // functions.
2595 int32_t SourceFingerprint() const; 2595 int32_t SourceFingerprint() const;
2596 2596
2597 // Return false and report an error if the fingerprint does not match. 2597 // Return false and report an error if the fingerprint does not match.
2598 bool CheckSourceFingerprint(const char* prefix, int32_t fp) const; 2598 bool CheckSourceFingerprint(const char* prefix, int32_t fp) const;
2599 2599
2600 // Works with map [deopt-id] -> ICData. 2600 // Works with map [deopt-id] -> ICData.
2601 void SaveICDataMap( 2601 void SaveICDataMap(
2602 const ZoneGrowableArray<const ICData*>& deopt_id_to_ic_data) const; 2602 const ZoneGrowableArray<const ICData*>& deopt_id_to_ic_data,
2603 const Array& edge_counters_array) const;
2603 void RestoreICDataMap( 2604 void RestoreICDataMap(
2604 ZoneGrowableArray<const ICData*>* deopt_id_to_ic_data) const; 2605 ZoneGrowableArray<const ICData*>* deopt_id_to_ic_data) const;
2605 2606
2606 RawArray* ic_data_array() const; 2607 RawArray* ic_data_array() const;
2607 void ClearICDataArray() const; 2608 void ClearICDataArray() const;
2608 2609
2609 // Sets deopt reason in all ICData-s with given deopt_id. 2610 // Sets deopt reason in all ICData-s with given deopt_id.
2610 void SetDeoptReasonForAll(intptr_t deopt_id, ICData::DeoptReasonId reason); 2611 void SetDeoptReasonForAll(intptr_t deopt_id, ICData::DeoptReasonId reason);
2611 2612
2612 static const int kCtorPhaseInit = 1 << 0; 2613 static const int kCtorPhaseInit = 1 << 0;
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8128 8129
8129 8130
8130 RawObject* MegamorphicCache::GetTargetFunction(const Array& array, 8131 RawObject* MegamorphicCache::GetTargetFunction(const Array& array,
8131 intptr_t index) { 8132 intptr_t index) {
8132 return array.At((index * kEntryLength) + kTargetFunctionIndex); 8133 return array.At((index * kEntryLength) + kTargetFunctionIndex);
8133 } 8134 }
8134 8135
8135 } // namespace dart 8136 } // namespace dart
8136 8137
8137 #endif // VM_OBJECT_H_ 8138 #endif // VM_OBJECT_H_
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