Changeset 38298 in webkit for trunk/JavaScriptCore/bytecompiler/CodeGenerator.cpp

Timestamp:

Nov 11, 2008, 1:51:31 AM (17 years ago)

Author:

[email protected]

Message:

2008-11-11 Maciej Stachowiak <​[email protected]>

Reviewed by Mark Rowe.

• shrink CodeBlock and AST related Vectors to exact fit (5-10M savings on membuster test)

No perf regression combined with the last patch (each seems like a small regression individually)

• bytecompiler/CodeGenerator.cpp: (JSC::CodeGenerator::generate):
• parser/Nodes.h: (JSC::SourceElements::releaseContentsIntoVector):
• wtf/Vector.h: (WTF::Vector::shrinkToFit):

File:

• trunk/JavaScriptCore/bytecompiler/CodeGenerator.cpp (modified) (1 diff)

trunk/JavaScriptCore/bytecompiler/CodeGenerator.cpp

@@ -146 +146 @@
         m_scopeNode->functionStack().shrinkCapacity(0);
     }
+    
+    m_codeBlock->instructions.shrinkToFit();
+    m_codeBlock->globalResolveInstructions.shrinkToFit();
+    m_codeBlock->propertyAccessInstructions.shrinkToFit();
+    m_codeBlock->callLinkInfos.shrinkToFit();
+    m_codeBlock->linkedCallerList.shrinkToFit();
+
+    m_codeBlock->identifiers.shrinkToFit();
+    m_codeBlock->functions.shrinkToFit();
+    m_codeBlock->functionExpressions.shrinkToFit();
+    m_codeBlock->constantRegisters.shrinkToFit();
+    m_codeBlock->unexpectedConstants.shrinkToFit();
+    m_codeBlock->regexps.shrinkToFit();
+    m_codeBlock->exceptionHandlers.shrinkToFit();
+    m_codeBlock->expressionInfo.shrinkToFit();
+    m_codeBlock->lineInfo.shrinkToFit();
+
+    m_codeBlock->immediateSwitchJumpTables.shrinkToFit();
+    m_codeBlock->characterSwitchJumpTables.shrinkToFit();
+    m_codeBlock->stringSwitchJumpTables.shrinkToFit();
+
 }