JSC should scale the optimization threshold for a code block according to the cost...

[framework/web/webkit-efl.git] / Source / JavaScriptCore / bytecode / ExecutionCounter.cpp

diff --git a/Source/JavaScriptCore/bytecode/ExecutionCounter.cpp b/Source/JavaScriptCore/bytecode/ExecutionCounter.cpp
index 12a4049..01d5104 100644 (file)
--- a/Source/JavaScriptCore/bytecode/ExecutionCounter.cpp
+++ b/Source/JavaScriptCore/bytecode/ExecutionCounter.cpp
@@ -113,7 +113,8 @@ bool ExecutionCounter::hasCrossedThreshold(CodeBlock* codeBlock) const
     double modifiedThreshold = applyMemoryUsageHeuristics(m_activeThreshold, codeBlock);
     
     return static_cast<double>(m_totalCount) + m_counter >=
-         modifiedThreshold - static_cast<double>(m_activeThreshold) / 2;
+        modifiedThreshold - static_cast<double>(
+            std::min(m_activeThreshold, Options::maximumExecutionCountsBetweenCheckpoints())) / 2;
 }
 
 bool ExecutionCounter::setThreshold(CodeBlock* codeBlock)