Title: [194072] trunk/Source/_javascript_Core
- Revision
- 194072
- Author
- [email protected]
- Date
- 2015-12-14 16:30:53 -0800 (Mon, 14 Dec 2015)
Log Message
FTL B3 should be able to run n-body.js
https://bugs.webkit.org/show_bug.cgi?id=152281
Reviewed by Benjamin Poulain.
Fix a bug where m_captured was pointing to the start of the captured vars slot rather than the
end, like the rest of the FTL expected.
* ftl/FTLLowerDFGToLLVM.cpp:
(JSC::FTL::DFG::LowerDFGToLLVM::lower):
Modified Paths
Diff
Modified: trunk/Source/_javascript_Core/ChangeLog (194071 => 194072)
--- trunk/Source/_javascript_Core/ChangeLog 2015-12-15 00:11:45 UTC (rev 194071)
+++ trunk/Source/_javascript_Core/ChangeLog 2015-12-15 00:30:53 UTC (rev 194072)
@@ -1,3 +1,16 @@
+2015-12-14 Filip Pizlo <[email protected]>
+
+ FTL B3 should be able to run n-body.js
+ https://bugs.webkit.org/show_bug.cgi?id=152281
+
+ Reviewed by Benjamin Poulain.
+
+ Fix a bug where m_captured was pointing to the start of the captured vars slot rather than the
+ end, like the rest of the FTL expected.
+
+ * ftl/FTLLowerDFGToLLVM.cpp:
+ (JSC::FTL::DFG::LowerDFGToLLVM::lower):
+
2015-12-14 Benjamin Poulain <[email protected]>
Fix bad copy-paste in r194062
Modified: trunk/Source/_javascript_Core/ftl/FTLLowerDFGToLLVM.cpp (194071 => 194072)
--- trunk/Source/_javascript_Core/ftl/FTLLowerDFGToLLVM.cpp 2015-12-15 00:11:45 UTC (rev 194071)
+++ trunk/Source/_javascript_Core/ftl/FTLLowerDFGToLLVM.cpp 2015-12-15 00:30:53 UTC (rev 194072)
@@ -186,7 +186,9 @@
createPhiVariables();
#if FTL_USES_B3
- m_captured = m_out.lockedStackSlot(sizeof(JSValue) * m_graph.m_nextMachineLocal);
+ size_t sizeOfCaptured = sizeof(JSValue) * m_graph.m_nextMachineLocal;
+ LValue capturedBase = m_out.lockedStackSlot(sizeOfCaptured);
+ m_captured = m_out.add(capturedBase, m_out.constIntPtr(sizeOfCaptured));
m_ftlState.capturedValue = m_captured;
#else // FTL_USES_B3
LValue capturedAlloca = m_out.alloca(arrayType(m_out.int64, m_graph.m_nextMachineLocal));
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