Title: [102707] trunk/Source/_javascript_Core
- Revision
- 102707
- Author
- fpi...@apple.com
- Date
- 2011-12-13 14:12:33 -0800 (Tue, 13 Dec 2011)
Log Message
DFG GetByVal CSE rule should match PutByValAlias
https://bugs.webkit.org/show_bug.cgi?id=74390
Reviewed by Geoff Garen.
Tiny win on some benchmarks. Maybe a 0.2% win on SunSpider.
* dfg/DFGPropagator.cpp:
(JSC::DFG::Propagator::getByValLoadElimination):
Modified Paths
Diff
Modified: trunk/Source/_javascript_Core/ChangeLog (102706 => 102707)
--- trunk/Source/_javascript_Core/ChangeLog 2011-12-13 22:10:05 UTC (rev 102706)
+++ trunk/Source/_javascript_Core/ChangeLog 2011-12-13 22:12:33 UTC (rev 102707)
@@ -1,3 +1,15 @@
+2011-12-13 Filip Pizlo <fpi...@apple.com>
+
+ DFG GetByVal CSE rule should match PutByValAlias
+ https://bugs.webkit.org/show_bug.cgi?id=74390
+
+ Reviewed by Geoff Garen.
+
+ Tiny win on some benchmarks. Maybe a 0.2% win on SunSpider.
+
+ * dfg/DFGPropagator.cpp:
+ (JSC::DFG::Propagator::getByValLoadElimination):
+
2011-12-13 Andy Wingo <wi...@igalia.com>
Fix interpreter debug build.
Modified: trunk/Source/_javascript_Core/dfg/DFGPropagator.cpp (102706 => 102707)
--- trunk/Source/_javascript_Core/dfg/DFGPropagator.cpp 2011-12-13 22:10:05 UTC (rev 102706)
+++ trunk/Source/_javascript_Core/dfg/DFGPropagator.cpp 2011-12-13 22:12:33 UTC (rev 102707)
@@ -1075,6 +1075,7 @@
return index;
break;
case PutByVal:
+ case PutByValAlias:
if (!byValIsPure(node))
return NoNode;
if (node.child1() == child1 && canonicalize(node.child2()) == canonicalize(child2))
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