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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/170630">170630</a></dd>
<dt>Author</dt> <dd>commit-queue@webkit.org</dd>
<dt>Date</dt> <dd>2014-06-30 21:16:49 -0700 (Mon, 30 Jun 2014)</dd>
</dl>
<h3>Log Message</h3>
<pre>Unreviewed, rolling out <a href="http://trac.webkit.org/projects/webkit/changeset/170605">r170605</a>.
https://bugs.webkit.org/show_bug.cgi?id=134484
The changes cause crashes on ARM64 (Requested by benjaminp on
#webkit).
Reverted changeset:
"Reduce dynamic memory allocation in css jit."
https://bugs.webkit.org/show_bug.cgi?id=134416
http://trac.webkit.org/changeset/170605</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWTFChangeLog">trunk/Source/WTF/ChangeLog</a></li>
<li><a href="#trunkSourceWTFwtfDequeh">trunk/Source/WTF/wtf/Deque.h</a></li>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCorecssjitFunctionCallh">trunk/Source/WebCore/cssjit/FunctionCall.h</a></li>
<li><a href="#trunkSourceWebCorecssjitRegisterAllocatorh">trunk/Source/WebCore/cssjit/RegisterAllocator.h</a></li>
<li><a href="#trunkSourceWebCorecssjitSelectorCompilercpp">trunk/Source/WebCore/cssjit/SelectorCompiler.cpp</a></li>
<li><a href="#trunkSourceWebCorecssjitStackAllocatorh">trunk/Source/WebCore/cssjit/StackAllocator.h</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWTFChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WTF/ChangeLog (170629 => 170630)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WTF/ChangeLog 2014-07-01 03:12:17 UTC (rev 170629)
+++ trunk/Source/WTF/ChangeLog 2014-07-01 04:16:49 UTC (rev 170630)
</span><span class="lines">@@ -1,3 +1,17 @@
</span><ins>+2014-06-30 Commit Queue <commit-queue@webkit.org>
+
+ Unreviewed, rolling out r170605.
+ https://bugs.webkit.org/show_bug.cgi?id=134484
+
+ The changes cause crashes on ARM64 (Requested by benjaminp on
+ #webkit).
+
+ Reverted changeset:
+
+ "Reduce dynamic memory allocation in css jit."
+ https://bugs.webkit.org/show_bug.cgi?id=134416
+ http://trac.webkit.org/changeset/170605
+
</ins><span class="cx"> 2014-06-30 Daniel Bates <dabates@apple.com>
</span><span class="cx">
</span><span class="cx"> Make TransformIterator::TransformIterator() take rvalue references
</span></span></pre></div>
<a id="trunkSourceWTFwtfDequeh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WTF/wtf/Deque.h (170629 => 170630)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WTF/wtf/Deque.h 2014-07-01 03:12:17 UTC (rev 170629)
+++ trunk/Source/WTF/wtf/Deque.h 2014-07-01 04:16:49 UTC (rev 170630)
</span><span class="lines">@@ -38,25 +38,25 @@
</span><span class="cx">
</span><span class="cx"> namespace WTF {
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity> class DequeIteratorBase;
- template<typename T, size_t inlineCapacity> class DequeIterator;
- template<typename T, size_t inlineCapacity> class DequeConstIterator;
</del><ins>+ template<typename T> class DequeIteratorBase;
+ template<typename T> class DequeIterator;
+ template<typename T> class DequeConstIterator;
</ins><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity = 0>
</del><ins>+ template<typename T>
</ins><span class="cx"> class Deque {
</span><span class="cx"> WTF_MAKE_FAST_ALLOCATED;
</span><span class="cx"> public:
</span><del>- typedef DequeIterator<T, inlineCapacity> iterator;
- typedef DequeConstIterator<T, inlineCapacity> const_iterator;
</del><ins>+ typedef DequeIterator<T> iterator;
+ typedef DequeConstIterator<T> const_iterator;
</ins><span class="cx"> typedef std::reverse_iterator<iterator> reverse_iterator;
</span><span class="cx"> typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
</span><span class="cx">
</span><span class="cx"> Deque();
</span><del>- Deque(const Deque<T, inlineCapacity>&);
- Deque& operator=(const Deque<T, inlineCapacity>&);
</del><ins>+ Deque(const Deque<T>&);
+ Deque& operator=(const Deque<T>&);
</ins><span class="cx"> ~Deque();
</span><span class="cx">
</span><del>- void swap(Deque<T, inlineCapacity>&);
</del><ins>+ void swap(Deque<T>&);
</ins><span class="cx">
</span><span class="cx"> size_t size() const { return m_start <= m_end ? m_end - m_start : m_end + m_buffer.capacity() - m_start; }
</span><span class="cx"> bool isEmpty() const { return m_start == m_end; }
</span><span class="lines">@@ -91,11 +91,11 @@
</span><span class="cx"> iterator findIf(Predicate&&);
</span><span class="cx">
</span><span class="cx"> private:
</span><del>- friend class DequeIteratorBase<T, inlineCapacity>;
</del><ins>+ friend class DequeIteratorBase<T>;
</ins><span class="cx">
</span><del>- typedef VectorBuffer<T, inlineCapacity> Buffer;
</del><ins>+ typedef VectorBuffer<T, 0> Buffer;
</ins><span class="cx"> typedef VectorTypeOperations<T> TypeOperations;
</span><del>- typedef DequeIteratorBase<T, inlineCapacity> IteratorBase;
</del><ins>+ typedef DequeIteratorBase<T> IteratorBase;
</ins><span class="cx">
</span><span class="cx"> void remove(size_t position);
</span><span class="cx"> void invalidateIterators();
</span><span class="lines">@@ -113,11 +113,11 @@
</span><span class="cx"> #endif
</span><span class="cx"> };
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
</del><ins>+ template<typename T>
</ins><span class="cx"> class DequeIteratorBase {
</span><span class="cx"> protected:
</span><span class="cx"> DequeIteratorBase();
</span><del>- DequeIteratorBase(const Deque<T, inlineCapacity>*, size_t);
</del><ins>+ DequeIteratorBase(const Deque<T>*, size_t);
</ins><span class="cx"> DequeIteratorBase(const DequeIteratorBase&);
</span><span class="cx"> DequeIteratorBase& operator=(const DequeIteratorBase&);
</span><span class="cx"> ~DequeIteratorBase();
</span><span class="lines">@@ -138,10 +138,10 @@
</span><span class="cx"> void checkValidity() const;
</span><span class="cx"> void checkValidity(const DequeIteratorBase&) const;
</span><span class="cx">
</span><del>- Deque<T, inlineCapacity>* m_deque;
</del><ins>+ Deque<T>* m_deque;
</ins><span class="cx"> size_t m_index;
</span><span class="cx">
</span><del>- friend class Deque<T, inlineCapacity>;
</del><ins>+ friend class Deque<T>;
</ins><span class="cx">
</span><span class="cx"> #ifndef NDEBUG
</span><span class="cx"> mutable DequeIteratorBase* m_next;
</span><span class="lines">@@ -149,11 +149,11 @@
</span><span class="cx"> #endif
</span><span class="cx"> };
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- class DequeIterator : public DequeIteratorBase<T, inlineCapacity> {
</del><ins>+ template<typename T>
+ class DequeIterator : public DequeIteratorBase<T> {
</ins><span class="cx"> private:
</span><del>- typedef DequeIteratorBase<T, inlineCapacity> Base;
- typedef DequeIterator<T, inlineCapacity> Iterator;
</del><ins>+ typedef DequeIteratorBase<T> Base;
+ typedef DequeIterator<T> Iterator;
</ins><span class="cx">
</span><span class="cx"> public:
</span><span class="cx"> typedef ptrdiff_t difference_type;
</span><span class="lines">@@ -162,8 +162,7 @@
</span><span class="cx"> typedef T& reference;
</span><span class="cx"> typedef std::bidirectional_iterator_tag iterator_category;
</span><span class="cx">
</span><del>- DequeIterator(Deque<T, inlineCapacity>* deque, size_t index)
- : Base(deque, index) { }
</del><ins>+ DequeIterator(Deque<T>* deque, size_t index) : Base(deque, index) { }
</ins><span class="cx">
</span><span class="cx"> DequeIterator(const Iterator& other) : Base(other) { }
</span><span class="cx"> DequeIterator& operator=(const Iterator& other) { Base::assign(other); return *this; }
</span><span class="lines">@@ -180,12 +179,12 @@
</span><span class="cx"> // postfix -- intentionally omitted
</span><span class="cx"> };
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- class DequeConstIterator : public DequeIteratorBase<T, inlineCapacity> {
</del><ins>+ template<typename T>
+ class DequeConstIterator : public DequeIteratorBase<T> {
</ins><span class="cx"> private:
</span><del>- typedef DequeIteratorBase<T, inlineCapacity> Base;
- typedef DequeConstIterator<T, inlineCapacity> Iterator;
- typedef DequeIterator<T, inlineCapacity> NonConstIterator;
</del><ins>+ typedef DequeIteratorBase<T> Base;
+ typedef DequeConstIterator<T> Iterator;
+ typedef DequeIterator<T> NonConstIterator;
</ins><span class="cx">
</span><span class="cx"> public:
</span><span class="cx"> typedef ptrdiff_t difference_type;
</span><span class="lines">@@ -194,8 +193,7 @@
</span><span class="cx"> typedef const T& reference;
</span><span class="cx"> typedef std::bidirectional_iterator_tag iterator_category;
</span><span class="cx">
</span><del>- DequeConstIterator(const Deque<T, inlineCapacity>* deque, size_t index)
- : Base(deque, index) { }
</del><ins>+ DequeConstIterator(const Deque<T>* deque, size_t index) : Base(deque, index) { }
</ins><span class="cx">
</span><span class="cx"> DequeConstIterator(const Iterator& other) : Base(other) { }
</span><span class="cx"> DequeConstIterator(const NonConstIterator& other) : Base(other) { }
</span><span class="lines">@@ -215,12 +213,12 @@
</span><span class="cx"> };
</span><span class="cx">
</span><span class="cx"> #ifdef NDEBUG
</span><del>- template<typename T, size_t inlineCapacity> inline void Deque<T, inlineCapacity>::checkValidity() const { }
- template<typename T, size_t inlineCapacity> inline void Deque<T, inlineCapacity>::checkIndexValidity(size_t) const { }
- template<typename T, size_t inlineCapacity> inline void Deque<T, inlineCapacity>::invalidateIterators() { }
</del><ins>+ template<typename T> inline void Deque<T>::checkValidity() const { }
+ template<typename T> inline void Deque<T>::checkIndexValidity(size_t) const { }
+ template<typename T> inline void Deque<T>::invalidateIterators() { }
</ins><span class="cx"> #else
</span><del>- template<typename T, size_t inlineCapacity>
- void Deque<T, inlineCapacity>::checkValidity() const
</del><ins>+ template<typename T>
+ void Deque<T>::checkValidity() const
</ins><span class="cx"> {
</span><span class="cx"> // In this implementation a capacity of 1 would confuse append() and
</span><span class="cx"> // other places that assume the index after capacity - 1 is 0.
</span><span class="lines">@@ -235,8 +233,8 @@
</span><span class="cx"> }
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- void Deque<T, inlineCapacity>::checkIndexValidity(size_t index) const
</del><ins>+ template<typename T>
+ void Deque<T>::checkIndexValidity(size_t index) const
</ins><span class="cx"> {
</span><span class="cx"> ASSERT_UNUSED(index, index <= m_buffer.capacity());
</span><span class="cx"> if (m_start <= m_end) {
</span><span class="lines">@@ -247,8 +245,8 @@
</span><span class="cx"> }
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- void Deque<T, inlineCapacity>::invalidateIterators()
</del><ins>+ template<typename T>
+ void Deque<T>::invalidateIterators()
</ins><span class="cx"> {
</span><span class="cx"> IteratorBase* next;
</span><span class="cx"> for (IteratorBase* p = m_iterators; p; p = next) {
</span><span class="lines">@@ -261,8 +259,8 @@
</span><span class="cx"> }
</span><span class="cx"> #endif
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- inline Deque<T, inlineCapacity>::Deque()
</del><ins>+ template<typename T>
+ inline Deque<T>::Deque()
</ins><span class="cx"> : m_start(0)
</span><span class="cx"> , m_end(0)
</span><span class="cx"> #ifndef NDEBUG
</span><span class="lines">@@ -272,8 +270,8 @@
</span><span class="cx"> checkValidity();
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- inline Deque<T, inlineCapacity>::Deque(const Deque<T, inlineCapacity>& other)
</del><ins>+ template<typename T>
+ inline Deque<T>::Deque(const Deque<T>& other)
</ins><span class="cx"> : m_start(other.m_start)
</span><span class="cx"> , m_end(other.m_end)
</span><span class="cx"> , m_buffer(other.m_buffer.capacity())
</span><span class="lines">@@ -290,18 +288,18 @@
</span><span class="cx"> }
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- inline Deque<T, inlineCapacity>& Deque<T, inlineCapacity>::operator=(const Deque<T, inlineCapacity>& other)
</del><ins>+ template<typename T>
+ inline Deque<T>& Deque<T>::operator=(const Deque<T>& other)
</ins><span class="cx"> {
</span><span class="cx"> // FIXME: This is inefficient if we're using an inline buffer and T is
</span><span class="cx"> // expensive to copy since it will copy the buffer twice instead of once.
</span><del>- Deque<T, inlineCapacity> copy(other);
</del><ins>+ Deque<T> copy(other);
</ins><span class="cx"> swap(copy);
</span><span class="cx"> return *this;
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- inline void Deque<T, inlineCapacity>::destroyAll()
</del><ins>+ template<typename T>
+ inline void Deque<T>::destroyAll()
</ins><span class="cx"> {
</span><span class="cx"> if (m_start <= m_end)
</span><span class="cx"> TypeOperations::destruct(m_buffer.buffer() + m_start, m_buffer.buffer() + m_end);
</span><span class="lines">@@ -311,16 +309,16 @@
</span><span class="cx"> }
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- inline Deque<T, inlineCapacity>::~Deque()
</del><ins>+ template<typename T>
+ inline Deque<T>::~Deque()
</ins><span class="cx"> {
</span><span class="cx"> checkValidity();
</span><span class="cx"> invalidateIterators();
</span><span class="cx"> destroyAll();
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- inline void Deque<T, inlineCapacity>::swap(Deque<T, inlineCapacity>& other)
</del><ins>+ template<typename T>
+ inline void Deque<T>::swap(Deque<T>& other)
</ins><span class="cx"> {
</span><span class="cx"> checkValidity();
</span><span class="cx"> other.checkValidity();
</span><span class="lines">@@ -332,8 +330,8 @@
</span><span class="cx"> other.checkValidity();
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- inline void Deque<T, inlineCapacity>::clear()
</del><ins>+ template<typename T>
+ inline void Deque<T>::clear()
</ins><span class="cx"> {
</span><span class="cx"> checkValidity();
</span><span class="cx"> invalidateIterators();
</span><span class="lines">@@ -344,9 +342,9 @@
</span><span class="cx"> checkValidity();
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
</del><ins>+ template<typename T>
</ins><span class="cx"> template<typename Predicate>
</span><del>- inline auto Deque<T, inlineCapacity>::findIf(Predicate&& predicate) -> iterator
</del><ins>+ inline auto Deque<T>::findIf(Predicate&& predicate) -> iterator
</ins><span class="cx"> {
</span><span class="cx"> iterator end_iterator = end();
</span><span class="cx"> for (iterator it = begin(); it != end_iterator; ++it) {
</span><span class="lines">@@ -356,8 +354,8 @@
</span><span class="cx"> return end_iterator;
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- inline void Deque<T, inlineCapacity>::expandCapacityIfNeeded()
</del><ins>+ template<typename T>
+ inline void Deque<T>::expandCapacityIfNeeded()
</ins><span class="cx"> {
</span><span class="cx"> if (m_start) {
</span><span class="cx"> if (m_end + 1 != m_start)
</span><span class="lines">@@ -371,8 +369,8 @@
</span><span class="cx"> expandCapacity();
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- void Deque<T, inlineCapacity>::expandCapacity()
</del><ins>+ template<typename T>
+ void Deque<T>::expandCapacity()
</ins><span class="cx"> {
</span><span class="cx"> checkValidity();
</span><span class="cx"> size_t oldCapacity = m_buffer.capacity();
</span><span class="lines">@@ -390,24 +388,24 @@
</span><span class="cx"> checkValidity();
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- inline auto Deque<T, inlineCapacity>::takeFirst() -> T
</del><ins>+ template<typename T>
+ inline auto Deque<T>::takeFirst() -> T
</ins><span class="cx"> {
</span><span class="cx"> T oldFirst = std::move(first());
</span><span class="cx"> removeFirst();
</span><span class="cx"> return oldFirst;
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- inline auto Deque<T, inlineCapacity>::takeLast() -> T
</del><ins>+ template<typename T>
+ inline auto Deque<T>::takeLast() -> T
</ins><span class="cx"> {
</span><span class="cx"> T oldLast = std::move(last());
</span><span class="cx"> removeLast();
</span><span class="cx"> return oldLast;
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity> template<typename U>
- inline void Deque<T, inlineCapacity>::append(U&& value)
</del><ins>+ template<typename T> template<typename U>
+ inline void Deque<T>::append(U&& value)
</ins><span class="cx"> {
</span><span class="cx"> checkValidity();
</span><span class="cx"> expandCapacityIfNeeded();
</span><span class="lines">@@ -419,8 +417,8 @@
</span><span class="cx"> checkValidity();
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity> template<typename U>
- inline void Deque<T, inlineCapacity>::prepend(U&& value)
</del><ins>+ template<typename T> template<typename U>
+ inline void Deque<T>::prepend(U&& value)
</ins><span class="cx"> {
</span><span class="cx"> checkValidity();
</span><span class="cx"> expandCapacityIfNeeded();
</span><span class="lines">@@ -432,8 +430,8 @@
</span><span class="cx"> checkValidity();
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- inline void Deque<T, inlineCapacity>::removeFirst()
</del><ins>+ template<typename T>
+ inline void Deque<T>::removeFirst()
</ins><span class="cx"> {
</span><span class="cx"> checkValidity();
</span><span class="cx"> invalidateIterators();
</span><span class="lines">@@ -446,8 +444,8 @@
</span><span class="cx"> checkValidity();
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- inline void Deque<T, inlineCapacity>::removeLast()
</del><ins>+ template<typename T>
+ inline void Deque<T>::removeLast()
</ins><span class="cx"> {
</span><span class="cx"> checkValidity();
</span><span class="cx"> invalidateIterators();
</span><span class="lines">@@ -460,22 +458,22 @@
</span><span class="cx"> checkValidity();
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- inline void Deque<T, inlineCapacity>::remove(iterator& it)
</del><ins>+ template<typename T>
+ inline void Deque<T>::remove(iterator& it)
</ins><span class="cx"> {
</span><span class="cx"> it.checkValidity();
</span><span class="cx"> remove(it.m_index);
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- inline void Deque<T, inlineCapacity>::remove(const_iterator& it)
</del><ins>+ template<typename T>
+ inline void Deque<T>::remove(const_iterator& it)
</ins><span class="cx"> {
</span><span class="cx"> it.checkValidity();
</span><span class="cx"> remove(it.m_index);
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- inline void Deque<T, inlineCapacity>::remove(size_t position)
</del><ins>+ template<typename T>
+ inline void Deque<T>::remove(size_t position)
</ins><span class="cx"> {
</span><span class="cx"> if (position == m_end)
</span><span class="cx"> return;
</span><span class="lines">@@ -498,28 +496,28 @@
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> #ifdef NDEBUG
</span><del>- template<typename T, size_t inlineCapacity> inline void DequeIteratorBase<T, inlineCapacity>::checkValidity() const { }
- template<typename T, size_t inlineCapacity> inline void DequeIteratorBase<T, inlineCapacity>::checkValidity(const DequeIteratorBase<T, inlineCapacity>&) const { }
- template<typename T, size_t inlineCapacity> inline void DequeIteratorBase<T, inlineCapacity>::addToIteratorsList() { }
- template<typename T, size_t inlineCapacity> inline void DequeIteratorBase<T, inlineCapacity>::removeFromIteratorsList() { }
</del><ins>+ template<typename T> inline void DequeIteratorBase<T>::checkValidity() const { }
+ template<typename T> inline void DequeIteratorBase<T>::checkValidity(const DequeIteratorBase<T>&) const { }
+ template<typename T> inline void DequeIteratorBase<T>::addToIteratorsList() { }
+ template<typename T> inline void DequeIteratorBase<T>::removeFromIteratorsList() { }
</ins><span class="cx"> #else
</span><del>- template<typename T, size_t inlineCapacity>
- void DequeIteratorBase<T, inlineCapacity>::checkValidity() const
</del><ins>+ template<typename T>
+ void DequeIteratorBase<T>::checkValidity() const
</ins><span class="cx"> {
</span><span class="cx"> ASSERT(m_deque);
</span><span class="cx"> m_deque->checkIndexValidity(m_index);
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- void DequeIteratorBase<T, inlineCapacity>::checkValidity(const DequeIteratorBase& other) const
</del><ins>+ template<typename T>
+ void DequeIteratorBase<T>::checkValidity(const DequeIteratorBase& other) const
</ins><span class="cx"> {
</span><span class="cx"> checkValidity();
</span><span class="cx"> other.checkValidity();
</span><span class="cx"> ASSERT(m_deque == other.m_deque);
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- void DequeIteratorBase<T, inlineCapacity>::addToIteratorsList()
</del><ins>+ template<typename T>
+ void DequeIteratorBase<T>::addToIteratorsList()
</ins><span class="cx"> {
</span><span class="cx"> if (!m_deque)
</span><span class="cx"> m_next = 0;
</span><span class="lines">@@ -532,8 +530,8 @@
</span><span class="cx"> m_previous = 0;
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- void DequeIteratorBase<T, inlineCapacity>::removeFromIteratorsList()
</del><ins>+ template<typename T>
+ void DequeIteratorBase<T>::removeFromIteratorsList()
</ins><span class="cx"> {
</span><span class="cx"> if (!m_deque) {
</span><span class="cx"> ASSERT(!m_next);
</span><span class="lines">@@ -557,23 +555,23 @@
</span><span class="cx"> }
</span><span class="cx"> #endif
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- inline DequeIteratorBase<T, inlineCapacity>::DequeIteratorBase()
</del><ins>+ template<typename T>
+ inline DequeIteratorBase<T>::DequeIteratorBase()
</ins><span class="cx"> : m_deque(0)
</span><span class="cx"> {
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- inline DequeIteratorBase<T, inlineCapacity>::DequeIteratorBase(const Deque<T, inlineCapacity>* deque, size_t index)
- : m_deque(const_cast<Deque<T, inlineCapacity>*>(deque))
</del><ins>+ template<typename T>
+ inline DequeIteratorBase<T>::DequeIteratorBase(const Deque<T>* deque, size_t index)
+ : m_deque(const_cast<Deque<T>*>(deque))
</ins><span class="cx"> , m_index(index)
</span><span class="cx"> {
</span><span class="cx"> addToIteratorsList();
</span><span class="cx"> checkValidity();
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- inline DequeIteratorBase<T, inlineCapacity>::DequeIteratorBase(const DequeIteratorBase& other)
</del><ins>+ template<typename T>
+ inline DequeIteratorBase<T>::DequeIteratorBase(const DequeIteratorBase& other)
</ins><span class="cx"> : m_deque(other.m_deque)
</span><span class="cx"> , m_index(other.m_index)
</span><span class="cx"> {
</span><span class="lines">@@ -581,8 +579,8 @@
</span><span class="cx"> checkValidity();
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- inline DequeIteratorBase<T, inlineCapacity>& DequeIteratorBase<T, inlineCapacity>::operator=(const DequeIteratorBase& other)
</del><ins>+ template<typename T>
+ inline DequeIteratorBase<T>& DequeIteratorBase<T>::operator=(const DequeIteratorBase& other)
</ins><span class="cx"> {
</span><span class="cx"> other.checkValidity();
</span><span class="cx"> removeFromIteratorsList();
</span><span class="lines">@@ -594,8 +592,8 @@
</span><span class="cx"> return *this;
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- inline DequeIteratorBase<T, inlineCapacity>::~DequeIteratorBase()
</del><ins>+ template<typename T>
+ inline DequeIteratorBase<T>::~DequeIteratorBase()
</ins><span class="cx"> {
</span><span class="cx"> #ifndef NDEBUG
</span><span class="cx"> removeFromIteratorsList();
</span><span class="lines">@@ -603,15 +601,15 @@
</span><span class="cx"> #endif
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- inline bool DequeIteratorBase<T, inlineCapacity>::isEqual(const DequeIteratorBase& other) const
</del><ins>+ template<typename T>
+ inline bool DequeIteratorBase<T>::isEqual(const DequeIteratorBase& other) const
</ins><span class="cx"> {
</span><span class="cx"> checkValidity(other);
</span><span class="cx"> return m_index == other.m_index;
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- inline void DequeIteratorBase<T, inlineCapacity>::increment()
</del><ins>+ template<typename T>
+ inline void DequeIteratorBase<T>::increment()
</ins><span class="cx"> {
</span><span class="cx"> checkValidity();
</span><span class="cx"> ASSERT(m_index != m_deque->m_end);
</span><span class="lines">@@ -623,8 +621,8 @@
</span><span class="cx"> checkValidity();
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- inline void DequeIteratorBase<T, inlineCapacity>::decrement()
</del><ins>+ template<typename T>
+ inline void DequeIteratorBase<T>::decrement()
</ins><span class="cx"> {
</span><span class="cx"> checkValidity();
</span><span class="cx"> ASSERT(m_index != m_deque->m_start);
</span><span class="lines">@@ -636,16 +634,16 @@
</span><span class="cx"> checkValidity();
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- inline T* DequeIteratorBase<T, inlineCapacity>::after() const
</del><ins>+ template<typename T>
+ inline T* DequeIteratorBase<T>::after() const
</ins><span class="cx"> {
</span><span class="cx"> checkValidity();
</span><span class="cx"> ASSERT(m_index != m_deque->m_end);
</span><span class="cx"> return &m_deque->m_buffer.buffer()[m_index];
</span><span class="cx"> }
</span><span class="cx">
</span><del>- template<typename T, size_t inlineCapacity>
- inline T* DequeIteratorBase<T, inlineCapacity>::before() const
</del><ins>+ template<typename T>
+ inline T* DequeIteratorBase<T>::before() const
</ins><span class="cx"> {
</span><span class="cx"> checkValidity();
</span><span class="cx"> ASSERT(m_index != m_deque->m_start);
</span></span></pre></div>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (170629 => 170630)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog 2014-07-01 03:12:17 UTC (rev 170629)
+++ trunk/Source/WebCore/ChangeLog 2014-07-01 04:16:49 UTC (rev 170630)
</span><span class="lines">@@ -1,3 +1,17 @@
</span><ins>+2014-06-30 Commit Queue <commit-queue@webkit.org>
+
+ Unreviewed, rolling out r170605.
+ https://bugs.webkit.org/show_bug.cgi?id=134484
+
+ The changes cause crashes on ARM64 (Requested by benjaminp on
+ #webkit).
+
+ Reverted changeset:
+
+ "Reduce dynamic memory allocation in css jit."
+ https://bugs.webkit.org/show_bug.cgi?id=134416
+ http://trac.webkit.org/changeset/170605
+
</ins><span class="cx"> 2014-06-30 Anders Carlsson <andersca@apple.com>
</span><span class="cx">
</span><span class="cx"> Change the AddBackForwardItem message to take a page state object
</span></span></pre></div>
<a id="trunkSourceWebCorecssjitFunctionCallh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/cssjit/FunctionCall.h (170629 => 170630)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/cssjit/FunctionCall.h 2014-07-01 03:12:17 UTC (rev 170629)
+++ trunk/Source/WebCore/cssjit/FunctionCall.h 2014-07-01 04:16:49 UTC (rev 170630)
</span><span class="lines">@@ -37,7 +37,7 @@
</span><span class="cx">
</span><span class="cx"> class FunctionCall {
</span><span class="cx"> public:
</span><del>- FunctionCall(JSC::MacroAssembler& assembler, RegisterAllocator& registerAllocator, StackAllocator& stackAllocator, Vector<std::pair<JSC::MacroAssembler::Call, JSC::FunctionPtr>, 32>& callRegistry)
</del><ins>+ FunctionCall(JSC::MacroAssembler& assembler, RegisterAllocator& registerAllocator, StackAllocator& stackAllocator, Vector<std::pair<JSC::MacroAssembler::Call, JSC::FunctionPtr>>& callRegistry)
</ins><span class="cx"> : m_assembler(assembler)
</span><span class="cx"> , m_registerAllocator(registerAllocator)
</span><span class="cx"> , m_stackAllocator(stackAllocator)
</span><span class="lines">@@ -167,7 +167,8 @@
</span><span class="cx"> if (RegisterAllocator::isCallerSavedRegister(registerID))
</span><span class="cx"> m_savedRegisters.append(registerID);
</span><span class="cx"> }
</span><del>- m_stackAllocator.push(m_savedRegisterStackReferences, m_savedRegisters);
</del><ins>+ Vector<StackAllocator::StackReference> stackReferences = m_stackAllocator.push(m_savedRegisters);
+ m_savedRegisterStackReferences.appendVector(stackReferences);
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> void restoreAllocatedCallerSavedRegisters()
</span><span class="lines">@@ -179,7 +180,7 @@
</span><span class="cx"> JSC::MacroAssembler& m_assembler;
</span><span class="cx"> RegisterAllocator& m_registerAllocator;
</span><span class="cx"> StackAllocator& m_stackAllocator;
</span><del>- Vector<std::pair<JSC::MacroAssembler::Call, JSC::FunctionPtr>, 32>& m_callRegistry;
</del><ins>+ Vector<std::pair<JSC::MacroAssembler::Call, JSC::FunctionPtr>>& m_callRegistry;
</ins><span class="cx">
</span><span class="cx"> Vector<JSC::MacroAssembler::RegisterID, registerCount> m_savedRegisters;
</span><span class="cx"> Vector<StackAllocator::StackReference, registerCount> m_savedRegisterStackReferences;
</span></span></pre></div>
<a id="trunkSourceWebCorecssjitRegisterAllocatorh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/cssjit/RegisterAllocator.h (170629 => 170630)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/cssjit/RegisterAllocator.h 2014-07-01 03:12:17 UTC (rev 170629)
+++ trunk/Source/WebCore/cssjit/RegisterAllocator.h 2014-07-01 04:16:49 UTC (rev 170630)
</span><span class="lines">@@ -205,7 +205,7 @@
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> private:
</span><del>- Deque<JSC::MacroAssembler::RegisterID, registerCount> m_registers;
</del><ins>+ Deque<JSC::MacroAssembler::RegisterID> m_registers;
</ins><span class="cx"> Vector<JSC::MacroAssembler::RegisterID, registerCount> m_allocatedRegisters;
</span><span class="cx"> Vector<JSC::MacroAssembler::RegisterID, calleeSavedRegisterCount> m_reservedCalleeSavedRegisters;
</span><span class="cx"> };
</span></span></pre></div>
<a id="trunkSourceWebCorecssjitSelectorCompilercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/cssjit/SelectorCompiler.cpp (170629 => 170630)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/cssjit/SelectorCompiler.cpp 2014-07-01 03:12:17 UTC (rev 170629)
+++ trunk/Source/WebCore/cssjit/SelectorCompiler.cpp 2014-07-01 04:16:49 UTC (rev 170630)
</span><span class="lines">@@ -159,11 +159,11 @@
</span><span class="cx"> const QualifiedName* tagName;
</span><span class="cx"> const AtomicString* id;
</span><span class="cx"> const AtomicString* langFilter;
</span><del>- Vector<const AtomicStringImpl*, 2> classNames;
</del><ins>+ Vector<const AtomicStringImpl*, 1> classNames;
</ins><span class="cx"> HashSet<unsigned> pseudoClasses;
</span><del>- Vector<JSC::FunctionPtr, 2> unoptimizedPseudoClasses;
- Vector<AttributeMatchingInfo, 32> attributes;
- Vector<std::pair<int, int>, 2> nthChildFilters;
</del><ins>+ Vector<JSC::FunctionPtr> unoptimizedPseudoClasses;
+ Vector<AttributeMatchingInfo> attributes;
+ Vector<std::pair<int, int>> nthChildFilters;
</ins><span class="cx"> Vector<SelectorFragment> notFilters;
</span><span class="cx"> Vector<Vector<SelectorFragment>> anyFilters;
</span><span class="cx">
</span><span class="lines">@@ -192,8 +192,8 @@
</span><span class="cx"> };
</span><span class="cx">
</span><span class="cx"> typedef JSC::MacroAssembler Assembler;
</span><del>-typedef Vector<SelectorFragment, 16> SelectorFragmentList;
-typedef Vector<TagNamePattern, 16> TagNameList;
</del><ins>+typedef Vector<SelectorFragment, 8> SelectorFragmentList;
+typedef Vector<TagNamePattern, 8> TagNameList;
</ins><span class="cx">
</span><span class="cx"> class SelectorCodeGenerator {
</span><span class="cx"> public:
</span><span class="lines">@@ -265,12 +265,12 @@
</span><span class="cx">
</span><span class="cx"> bool generatePrologue();
</span><span class="cx"> void generateEpilogue();
</span><del>- Vector<StackAllocator::StackReference, registerCount> m_prologueStackReferences;
</del><ins>+ Vector<StackAllocator::StackReference> m_prologueStackReferences;
</ins><span class="cx">
</span><span class="cx"> Assembler m_assembler;
</span><span class="cx"> RegisterAllocator m_registerAllocator;
</span><span class="cx"> StackAllocator m_stackAllocator;
</span><del>- Vector<std::pair<Assembler::Call, JSC::FunctionPtr>, 32> m_functionCalls;
</del><ins>+ Vector<std::pair<Assembler::Call, JSC::FunctionPtr>> m_functionCalls;
</ins><span class="cx">
</span><span class="cx"> SelectorContext m_selectorContext;
</span><span class="cx"> FunctionType m_functionType;
</span><span class="lines">@@ -476,7 +476,7 @@
</span><span class="cx">
</span><span class="cx"> case CSSSelector::PseudoClassAny:
</span><span class="cx"> {
</span><del>- Vector<SelectorFragment, 32> anyFragments;
</del><ins>+ Vector<SelectorFragment> anyFragments;
</ins><span class="cx"> FunctionType functionType = FunctionType::SimpleSelectorChecker;
</span><span class="cx"> for (const CSSSelector* rootSelector = selector.selectorList()->first(); rootSelector; rootSelector = CSSSelectorList::next(rootSelector)) {
</span><span class="cx"> SelectorFragmentList fragmentList;
</span><span class="lines">@@ -1127,19 +1127,19 @@
</span><span class="cx"> Vector<JSC::MacroAssembler::RegisterID, 2> prologueRegisters;
</span><span class="cx"> prologueRegisters.append(JSC::ARM64Registers::lr);
</span><span class="cx"> prologueRegisters.append(JSC::ARM64Registers::fp);
</span><del>- m_stackAllocator.push(m_prologueStackReferences, prologueRegisters);
</del><ins>+ m_prologueStackReferences = m_stackAllocator.push(prologueRegisters);
</ins><span class="cx"> return true;
</span><span class="cx"> #elif CPU(ARM_THUMB2)
</span><span class="cx"> Vector<JSC::MacroAssembler::RegisterID, 2> prologueRegisters;
</span><span class="cx"> prologueRegisters.append(JSC::ARMRegisters::lr);
</span><span class="cx"> // r6 is tempRegister in RegisterAllocator.h and addressTempRegister in MacroAssemblerARMv7.h and must be preserved by the callee.
</span><span class="cx"> prologueRegisters.append(JSC::ARMRegisters::r6);
</span><del>- m_stackAllocator.push(m_prologueStackReferences, prologueRegisters);
</del><ins>+ m_prologueStackReferences = m_stackAllocator.push(prologueRegisters);
</ins><span class="cx"> return true;
</span><span class="cx"> #elif CPU(X86_64) && CSS_SELECTOR_JIT_DEBUGGING
</span><span class="cx"> Vector<JSC::MacroAssembler::RegisterID, 1> prologueRegister;
</span><span class="cx"> prologueRegister.append(callFrameRegister);
</span><del>- m_stackAllocator.push(m_prologueStackReferences, prologueRegister);
</del><ins>+ m_prologueStackReferences = m_stackAllocator.push(prologueRegister);
</ins><span class="cx"> return true;
</span><span class="cx"> #endif
</span><span class="cx"> return false;
</span><span class="lines">@@ -1166,7 +1166,7 @@
</span><span class="cx">
</span><span class="cx"> void SelectorCodeGenerator::generateSelectorChecker()
</span><span class="cx"> {
</span><del>- Vector<StackAllocator::StackReference, registerCount> calleeSavedRegisterStackReferences;
</del><ins>+ Vector<StackAllocator::StackReference> calleeSavedRegisterStackReferences;
</ins><span class="cx"> bool reservedCalleeSavedRegisters = false;
</span><span class="cx"> unsigned availableRegisterCount = m_registerAllocator.availableRegisterCount();
</span><span class="cx"> unsigned minimumRegisterCountForAttributes = minimumRegisterRequirements(m_selectorFragments);
</span><span class="lines">@@ -1179,7 +1179,7 @@
</span><span class="cx"> ASSERT(minimumRegisterCountForAttributes <= registerCount);
</span><span class="cx"> if (availableRegisterCount < minimumRegisterCountForAttributes) {
</span><span class="cx"> reservedCalleeSavedRegisters = true;
</span><del>- m_stackAllocator.push(calleeSavedRegisterStackReferences, m_registerAllocator.reserveCalleeSavedRegisters(minimumRegisterCountForAttributes - availableRegisterCount));
</del><ins>+ calleeSavedRegisterStackReferences = m_stackAllocator.push(m_registerAllocator.reserveCalleeSavedRegisters(minimumRegisterCountForAttributes - availableRegisterCount));
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> m_registerAllocator.allocateRegister(elementAddressRegister);
</span><span class="lines">@@ -2582,7 +2582,7 @@
</span><span class="cx"> Assembler::RegisterID parentElement = m_registerAllocator.allocateRegister();
</span><span class="cx"> generateWalkToParentElement(failureCases, parentElement);
</span><span class="cx">
</span><del>- Vector<std::pair<int, int>, 32> validSubsetFilters;
</del><ins>+ Vector<std::pair<int, int>> validSubsetFilters;
</ins><span class="cx"> validSubsetFilters.reserveInitialCapacity(fragment.nthChildFilters.size());
</span><span class="cx"> for (const auto& slot : fragment.nthChildFilters) {
</span><span class="cx"> int a = slot.first;
</span></span></pre></div>
<a id="trunkSourceWebCorecssjitStackAllocatorh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/cssjit/StackAllocator.h (170629 => 170630)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/cssjit/StackAllocator.h 2014-07-01 03:12:17 UTC (rev 170629)
+++ trunk/Source/WebCore/cssjit/StackAllocator.h 2014-07-01 04:16:49 UTC (rev 170630)
</span><span class="lines">@@ -28,7 +28,6 @@
</span><span class="cx">
</span><span class="cx"> #if ENABLE(CSS_SELECTOR_JIT)
</span><span class="cx">
</span><del>-#include "RegisterAllocator.h"
</del><span class="cx"> #include <JavaScriptCore/MacroAssembler.h>
</span><span class="cx">
</span><span class="cx"> namespace WebCore {
</span><span class="lines">@@ -69,11 +68,14 @@
</span><span class="cx"> return StackReference(m_offsetFromTop);
</span><span class="cx"> }
</span><span class="cx">
</span><del>- void push(Vector<StackReference, registerCount>& stackReferences, const Vector<JSC::MacroAssembler::RegisterID>& registerIDs)
</del><ins>+ Vector<StackReference> push(const Vector<JSC::MacroAssembler::RegisterID>& registerIDs)
</ins><span class="cx"> {
</span><span class="cx"> RELEASE_ASSERT(!m_hasFunctionCallPadding);
</span><ins>+ unsigned registerCount = registerIDs.size();
+ Vector<StackReference> stackReferences;
+ stackReferences.reserveInitialCapacity(registerCount);
</ins><span class="cx"> #if CPU(ARM64)
</span><del>- for (unsigned i = 0; i < registerIDs.size() - 1; i += 2) {
</del><ins>+ for (unsigned i = 0; i < registerCount - 1; i += 2) {
</ins><span class="cx"> m_assembler.pushPair(registerIDs[i + 1], registerIDs[i]);
</span><span class="cx"> m_offsetFromTop += stackUnitInBytes();
</span><span class="cx"> stackReferences.append(StackReference(m_offsetFromTop - stackUnitInBytes() / 2));
</span><span class="lines">@@ -85,6 +87,7 @@
</span><span class="cx"> for (auto registerID : registerIDs)
</span><span class="cx"> stackReferences.append(push(registerID));
</span><span class="cx"> #endif
</span><ins>+ return stackReferences;
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> StackReference push(JSC::MacroAssembler::RegisterID registerID)
</span></span></pre>
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