Title: [226381] trunk/Source/_javascript_Core
- Revision
- 226381
- Author
- [email protected]
- Date
- 2018-01-03 16:47:15 -0800 (Wed, 03 Jan 2018)
Log Message
Remove unnecessary flushing of Butterfly pointer in functionCpuClflush()
https://bugs.webkit.org/show_bug.cgi?id=181263
Reviewed by Mark Lam.
Flushing the butterfly pointer provides no benefit and slows this function.
* tools/JSDollarVM.cpp:
(JSC::functionCpuClflush):
Modified Paths
Diff
Modified: trunk/Source/_javascript_Core/ChangeLog (226380 => 226381)
--- trunk/Source/_javascript_Core/ChangeLog 2018-01-04 00:46:52 UTC (rev 226380)
+++ trunk/Source/_javascript_Core/ChangeLog 2018-01-04 00:47:15 UTC (rev 226381)
@@ -1,3 +1,15 @@
+2018-01-03 Michael Saboff <[email protected]>
+
+ Remove unnecessary flushing of Butterfly pointer in functionCpuClflush()
+ https://bugs.webkit.org/show_bug.cgi?id=181263
+
+ Reviewed by Mark Lam.
+
+ Flushing the butterfly pointer provides no benefit and slows this function.
+
+ * tools/JSDollarVM.cpp:
+ (JSC::functionCpuClflush):
+
2018-01-03 Saam Barati <[email protected]>
Fix BytecodeParser op_catch assert to work with useProfiler=1
Modified: trunk/Source/_javascript_Core/tools/JSDollarVM.cpp (226380 => 226381)
--- trunk/Source/_javascript_Core/tools/JSDollarVM.cpp 2018-01-04 00:46:52 UTC (rev 226380)
+++ trunk/Source/_javascript_Core/tools/JSDollarVM.cpp 2018-01-04 00:47:15 UTC (rev 226381)
@@ -1118,7 +1118,6 @@
case ALL_INT32_INDEXING_TYPES:
case ALL_CONTIGUOUS_INDEXING_TYPES:
case ALL_DOUBLE_INDEXING_TYPES:
- toFlush.append(bitwise_cast<char*>(object) + JSObject::butterflyOffset());
toFlush.append(bitwise_cast<char*>(object->butterfly()) + Butterfly::offsetOfVectorLength());
toFlush.append(bitwise_cast<char*>(object->butterfly()) + Butterfly::offsetOfPublicLength());
}
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