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authorLorry Tar Creator <lorry-tar-importer@lorry>2016-04-10 09:28:39 +0000
committerLorry Tar Creator <lorry-tar-importer@lorry>2016-04-10 09:28:39 +0000
commit32761a6cee1d0dee366b885b7b9c777e67885688 (patch)
treed6bec92bebfb216f4126356e55518842c2f476a1 /Source/JavaScriptCore/bytecode/ExecutionCounter.cpp
parenta4e969f4965059196ca948db781e52f7cfebf19e (diff)
downloadWebKitGtk-tarball-32761a6cee1d0dee366b885b7b9c777e67885688.tar.gz
webkitgtk-2.4.11webkitgtk-2.4.11
Diffstat (limited to 'Source/JavaScriptCore/bytecode/ExecutionCounter.cpp')
-rw-r--r--Source/JavaScriptCore/bytecode/ExecutionCounter.cpp42
1 files changed, 16 insertions, 26 deletions
diff --git a/Source/JavaScriptCore/bytecode/ExecutionCounter.cpp b/Source/JavaScriptCore/bytecode/ExecutionCounter.cpp
index fe4e430f1..3a646a86a 100644
--- a/Source/JavaScriptCore/bytecode/ExecutionCounter.cpp
+++ b/Source/JavaScriptCore/bytecode/ExecutionCounter.cpp
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2012, 2014 Apple Inc. All rights reserved.
+ * Copyright (C) 2012 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -28,25 +28,21 @@
#include "CodeBlock.h"
#include "ExecutableAllocator.h"
-#include "JSCInlines.h"
#include <wtf/StringExtras.h>
namespace JSC {
-template<CountingVariant countingVariant>
-ExecutionCounter<countingVariant>::ExecutionCounter()
+ExecutionCounter::ExecutionCounter()
{
reset();
}
-template<CountingVariant countingVariant>
-void ExecutionCounter<countingVariant>::forceSlowPathConcurrently()
+void ExecutionCounter::forceSlowPathConcurrently()
{
m_counter = 0;
}
-template<CountingVariant countingVariant>
-bool ExecutionCounter<countingVariant>::checkIfThresholdCrossedAndSet(CodeBlock* codeBlock)
+bool ExecutionCounter::checkIfThresholdCrossedAndSet(CodeBlock* codeBlock)
{
if (hasCrossedThreshold(codeBlock))
return true;
@@ -57,23 +53,21 @@ bool ExecutionCounter<countingVariant>::checkIfThresholdCrossedAndSet(CodeBlock*
return false;
}
-template<CountingVariant countingVariant>
-void ExecutionCounter<countingVariant>::setNewThreshold(int32_t threshold, CodeBlock* codeBlock)
+void ExecutionCounter::setNewThreshold(int32_t threshold, CodeBlock* codeBlock)
{
reset();
m_activeThreshold = threshold;
setThreshold(codeBlock);
}
-template<CountingVariant countingVariant>
-void ExecutionCounter<countingVariant>::deferIndefinitely()
+void ExecutionCounter::deferIndefinitely()
{
m_totalCount = 0;
m_activeThreshold = std::numeric_limits<int32_t>::max();
m_counter = std::numeric_limits<int32_t>::min();
}
-double applyMemoryUsageHeuristics(int32_t value, CodeBlock* codeBlock)
+double ExecutionCounter::applyMemoryUsageHeuristics(int32_t value, CodeBlock* codeBlock)
{
#if ENABLE(JIT)
double multiplier =
@@ -88,7 +82,8 @@ double applyMemoryUsageHeuristics(int32_t value, CodeBlock* codeBlock)
return multiplier * value;
}
-int32_t applyMemoryUsageHeuristicsAndConvertToInt(int32_t value, CodeBlock* codeBlock)
+int32_t ExecutionCounter::applyMemoryUsageHeuristicsAndConvertToInt(
+ int32_t value, CodeBlock* codeBlock)
{
double doubleResult = applyMemoryUsageHeuristics(value, codeBlock);
@@ -100,8 +95,7 @@ int32_t applyMemoryUsageHeuristicsAndConvertToInt(int32_t value, CodeBlock* code
return static_cast<int32_t>(doubleResult);
}
-template<CountingVariant countingVariant>
-bool ExecutionCounter<countingVariant>::hasCrossedThreshold(CodeBlock* codeBlock) const
+bool ExecutionCounter::hasCrossedThreshold(CodeBlock* codeBlock) const
{
// This checks if the current count rounded up to the threshold we were targeting.
// For example, if we are using half of available executable memory and have
@@ -125,17 +119,18 @@ bool ExecutionCounter<countingVariant>::hasCrossedThreshold(CodeBlock* codeBlock
return static_cast<double>(m_totalCount) + m_counter >=
modifiedThreshold - static_cast<double>(
- std::min(m_activeThreshold, maximumExecutionCountsBetweenCheckpoints())) / 2;
+ std::min(m_activeThreshold, Options::maximumExecutionCountsBetweenCheckpoints())) / 2;
}
-template<CountingVariant countingVariant>
-bool ExecutionCounter<countingVariant>::setThreshold(CodeBlock* codeBlock)
+bool ExecutionCounter::setThreshold(CodeBlock* codeBlock)
{
if (m_activeThreshold == std::numeric_limits<int32_t>::max()) {
deferIndefinitely();
return false;
}
+ ASSERT(!m_activeThreshold || !hasCrossedThreshold(codeBlock));
+
// Compute the true total count.
double trueTotalCount = count();
@@ -164,22 +159,17 @@ bool ExecutionCounter<countingVariant>::setThreshold(CodeBlock* codeBlock)
return false;
}
-template<CountingVariant countingVariant>
-void ExecutionCounter<countingVariant>::reset()
+void ExecutionCounter::reset()
{
m_counter = 0;
m_totalCount = 0;
m_activeThreshold = 0;
}
-template<CountingVariant countingVariant>
-void ExecutionCounter<countingVariant>::dump(PrintStream& out) const
+void ExecutionCounter::dump(PrintStream& out) const
{
out.printf("%lf/%lf, %d", count(), static_cast<double>(m_activeThreshold), m_counter);
}
-template class ExecutionCounter<CountingForBaseline>;
-template class ExecutionCounter<CountingForUpperTiers>;
-
} // namespace JSC