Changeset 97203 in webkit for trunk/Source/JavaScriptCore/heap/MarkStack.cpp

Timestamp:

Oct 11, 2011, 5:24:12 PM (14 years ago)

Author:

[email protected]

Message:

Tidy up card walking logic
​https://bugs.webkit.org/show_bug.cgi?id=69883

Reviewed by Gavin Barraclough.

Special case common cell sizes when walking a block's
cards.

• heap/CardSet.h:

(JSC::::testAndClear):

• heap/Heap.cpp:

(JSC::GCTimer::GCCounter::GCCounter):
(JSC::GCTimer::GCCounter::count):
(JSC::GCTimer::GCCounter::~GCCounter):
(JSC::Heap::markRoots):

• heap/MarkStack.cpp:

(JSC::MarkStack::reset):

• heap/MarkStack.h:

(JSC::MarkStack::visitCount):
(JSC::MarkStack::MarkStack):
(JSC::MarkStack::append):

• heap/MarkedBlock.h:

(JSC::MarkedBlock::gatherDirtyCellsWithSize):
(JSC::MarkedBlock::gatherDirtyCells):

• runtime/Structure.h:

(JSC::MarkStack::internalAppend):

File:

• trunk/Source/JavaScriptCore/heap/MarkStack.cpp (modified) (1 diff)

trunk/Source/JavaScriptCore/heap/MarkStack.cpp

@@ -39 +39 @@
 void MarkStack::reset()
 {
+    m_visitCount = 0;
     m_values.shrinkAllocation(pageSize());
     m_markSets.shrinkAllocation(pageSize());