Title: [233622] trunk/Source/_javascript_Core
- Revision
- 233622
- Author
- [email protected]
- Date
- 2018-07-07 13:46:28 -0700 (Sat, 07 Jul 2018)
Log Message
[JSC] Optimize layout of SymbolTable to reduce padding
https://bugs.webkit.org/show_bug.cgi?id=187437
Reviewed by Mark Lam.
Arrange the layout of SymbolTable to reduce the size from 88 to 72.
* runtime/SymbolTable.h:
Modified Paths
Diff
Modified: trunk/Source/_javascript_Core/ChangeLog (233621 => 233622)
--- trunk/Source/_javascript_Core/ChangeLog 2018-07-07 20:29:31 UTC (rev 233621)
+++ trunk/Source/_javascript_Core/ChangeLog 2018-07-07 20:46:28 UTC (rev 233622)
@@ -1,5 +1,16 @@
2018-07-07 Yusuke Suzuki <[email protected]>
+ [JSC] Optimize layout of SymbolTable to reduce padding
+ https://bugs.webkit.org/show_bug.cgi?id=187437
+
+ Reviewed by Mark Lam.
+
+ Arrange the layout of SymbolTable to reduce the size from 88 to 72.
+
+ * runtime/SymbolTable.h:
+
+2018-07-07 Yusuke Suzuki <[email protected]>
+
[JSC] Optimize layout of RegExp to reduce padding
https://bugs.webkit.org/show_bug.cgi?id=187438
Modified: trunk/Source/_javascript_Core/runtime/SymbolTable.h (233621 => 233622)
--- trunk/Source/_javascript_Core/runtime/SymbolTable.h 2018-07-07 20:29:31 UTC (rev 233621)
+++ trunk/Source/_javascript_Core/runtime/SymbolTable.h 2018-07-07 20:46:28 UTC (rev 233622)
@@ -696,6 +696,12 @@
Map m_map;
ScopeOffset m_maxScopeOffset;
+public:
+ mutable ConcurrentJSLock m_lock;
+private:
+ unsigned m_usesNonStrictEval : 1;
+ unsigned m_nestedLexicalScope : 1; // Non-function LexicalScope.
+ unsigned m_scopeType : 3; // ScopeType
struct SymbolTableRareData {
UniqueIDMap m_uniqueIDMap;
@@ -705,17 +711,10 @@
};
std::unique_ptr<SymbolTableRareData> m_rareData;
- bool m_usesNonStrictEval : 1;
- bool m_nestedLexicalScope : 1; // Non-function LexicalScope.
- unsigned m_scopeType : 3; // ScopeType
-
WriteBarrier<ScopedArgumentsTable> m_arguments;
WriteBarrier<InferredValue> m_singletonScope;
std::unique_ptr<LocalToEntryVec> m_localToEntry;
-
-public:
- mutable ConcurrentJSLock m_lock;
};
} // namespace JSC
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