Title: [100878] trunk/Source/_javascript_Core
- Revision
- 100878
- Author
- [email protected]
- Date
- 2011-11-20 19:32:02 -0800 (Sun, 20 Nov 2011)
Log Message
DFG 32_64 should directly store double virtual registers on SetLocal
https://bugs.webkit.org/show_bug.cgi?id=72845
Reviewed by Oliver Hunt.
2% win on Kraken.
* dfg/DFGSpeculativeJIT32_64.cpp:
(JSC::DFG::SpeculativeJIT::compile):
Modified Paths
Diff
Modified: trunk/Source/_javascript_Core/ChangeLog (100877 => 100878)
--- trunk/Source/_javascript_Core/ChangeLog 2011-11-21 02:26:16 UTC (rev 100877)
+++ trunk/Source/_javascript_Core/ChangeLog 2011-11-21 03:32:02 UTC (rev 100878)
@@ -1,3 +1,15 @@
+2011-11-20 Filip Pizlo <[email protected]>
+
+ DFG 32_64 should directly store double virtual registers on SetLocal
+ https://bugs.webkit.org/show_bug.cgi?id=72845
+
+ Reviewed by Oliver Hunt.
+
+ 2% win on Kraken.
+
+ * dfg/DFGSpeculativeJIT32_64.cpp:
+ (JSC::DFG::SpeculativeJIT::compile):
+
2011-11-20 Noel Gordon <[email protected]>
[chromium] Remove DFG::JITCodeGenerator from the gyp projects
Modified: trunk/Source/_javascript_Core/dfg/DFGSpeculativeJIT32_64.cpp (100877 => 100878)
--- trunk/Source/_javascript_Core/dfg/DFGSpeculativeJIT32_64.cpp 2011-11-21 02:26:16 UTC (rev 100877)
+++ trunk/Source/_javascript_Core/dfg/DFGSpeculativeJIT32_64.cpp 2011-11-21 03:32:02 UTC (rev 100878)
@@ -2142,7 +2142,11 @@
m_codeOriginForOSR = nextNode.codeOrigin;
PredictedType predictedType = node.variableAccessData()->prediction();
- if (isInt32Prediction(predictedType)) {
+ if (m_generationInfo[at(node.child1()).virtualRegister()].registerFormat() == DataFormatDouble) {
+ DoubleOperand value(this, node.child1());
+ m_jit.storeDouble(value.fpr(), JITCompiler::addressFor(node.local()));
+ noResult(m_compileIndex);
+ } else if (isInt32Prediction(predictedType)) {
SpeculateIntegerOperand value(this, node.child1());
m_jit.store32(value.gpr(), JITCompiler::payloadFor(node.local()));
noResult(m_compileIndex);
_______________________________________________
webkit-changes mailing list
[email protected]
http://lists.webkit.org/mailman/listinfo.cgi/webkit-changes
