Title: [168631] trunk/Source/_javascript_Core
- Revision
- 168631
- Author
- akl...@apple.com
- Date
- 2014-05-12 11:26:17 -0700 (Mon, 12 May 2014)
Log Message
0.4% of PLT3 in JSCell::structure() below JSObject::visitChildren().
<https://webkit.org/b/132828>
<rdar://problem/16886285>
Reviewed by Michael Saboff.
* runtime/JSObject.cpp:
(JSC::JSObject::visitButterfly):
(JSC::JSObject::visitChildren):
Use JSCell::structure(VM&) to reduce the number of hoops we jump
through to find Structures during marking.
Modified Paths
Diff
Modified: trunk/Source/_javascript_Core/ChangeLog (168630 => 168631)
--- trunk/Source/_javascript_Core/ChangeLog 2014-05-12 18:19:36 UTC (rev 168630)
+++ trunk/Source/_javascript_Core/ChangeLog 2014-05-12 18:26:17 UTC (rev 168631)
@@ -1,3 +1,18 @@
+2014-05-12 Andreas Kling <akl...@apple.com>
+
+ 0.4% of PLT3 in JSCell::structure() below JSObject::visitChildren().
+ <https://webkit.org/b/132828>
+ <rdar://problem/16886285>
+
+ Reviewed by Michael Saboff.
+
+ * runtime/JSObject.cpp:
+ (JSC::JSObject::visitButterfly):
+ (JSC::JSObject::visitChildren):
+
+ Use JSCell::structure(VM&) to reduce the number of hoops we jump
+ through to find Structures during marking.
+
2014-05-12 László Langó <llango.u-sze...@partner.samsung.com>
[cmake] Add missing FTL source files to the build system.
Modified: trunk/Source/_javascript_Core/runtime/JSObject.cpp (168630 => 168631)
--- trunk/Source/_javascript_Core/runtime/JSObject.cpp 2014-05-12 18:19:36 UTC (rev 168630)
+++ trunk/Source/_javascript_Core/runtime/JSObject.cpp 2014-05-12 18:26:17 UTC (rev 168631)
@@ -165,7 +165,7 @@
{
ASSERT(butterfly);
- Structure* structure = this->structure();
+ Structure* structure = this->structure(visitor.vm());
size_t propertyCapacity = structure->outOfLineCapacity();
size_t preCapacity;
@@ -214,7 +214,7 @@
Butterfly* butterfly = thisObject->butterfly();
if (butterfly)
- thisObject->visitButterfly(visitor, butterfly, thisObject->structure()->outOfLineSize());
+ thisObject->visitButterfly(visitor, butterfly, thisObject->structure(visitor.vm())->outOfLineSize());
#if !ASSERT_DISABLED
visitor.m_isCheckingForDefaultMarkViolation = wasCheckingForDefaultMarkViolation;
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