Title: [102169] trunk/Source/_javascript_Core
- Revision
- 102169
- Author
- [email protected]
- Date
- 2011-12-06 12:48:27 -0800 (Tue, 06 Dec 2011)
Log Message
Don't allocate register in typedarray control flow
https://bugs.webkit.org/show_bug.cgi?id=73944
Reviewed by Gavin Barraclough.
Move a temporary allocation outside of control flow.
* dfg/DFGSpeculativeJIT.cpp:
(JSC::DFG::SpeculativeJIT::compileGetByValOnFloatTypedArray):
Modified Paths
Diff
Modified: trunk/Source/_javascript_Core/ChangeLog (102168 => 102169)
--- trunk/Source/_javascript_Core/ChangeLog 2011-12-06 20:47:31 UTC (rev 102168)
+++ trunk/Source/_javascript_Core/ChangeLog 2011-12-06 20:48:27 UTC (rev 102169)
@@ -1,3 +1,15 @@
+2011-12-06 Oliver Hunt <[email protected]>
+
+ Don't allocate register in typedarray control flow
+ https://bugs.webkit.org/show_bug.cgi?id=73944
+
+ Reviewed by Gavin Barraclough.
+
+ Move a temporary allocation outside of control flow.
+
+ * dfg/DFGSpeculativeJIT.cpp:
+ (JSC::DFG::SpeculativeJIT::compileGetByValOnFloatTypedArray):
+
2011-12-06 Gavin Barraclough <[email protected]>
https://bugs.webkit.org/show_bug.cgi?id=68328
Modified: trunk/Source/_javascript_Core/dfg/DFGSpeculativeJIT.cpp (102168 => 102169)
--- trunk/Source/_javascript_Core/dfg/DFGSpeculativeJIT.cpp 2011-12-06 20:47:31 UTC (rev 102168)
+++ trunk/Source/_javascript_Core/dfg/DFGSpeculativeJIT.cpp 2011-12-06 20:48:27 UTC (rev 102169)
@@ -1734,8 +1734,8 @@
FPRTemporary result(this);
FPRReg resultReg = result.fpr();
ASSERT(speculationRequirements != NoTypedArraySpecCheck);
+ GPRTemporary scratch(this);
MacroAssembler::Jump inBounds = m_jit.branch32(MacroAssembler::Below, propertyReg, MacroAssembler::Address(baseReg, descriptor.m_lengthOffset));
- GPRTemporary scratch(this);
m_jit.move(MacroAssembler::Imm32(0), scratch.gpr());
m_jit.convertInt32ToDouble(scratch.gpr(), resultReg);
MacroAssembler::Jump outOfBounds = m_jit.jump();
_______________________________________________
webkit-changes mailing list
[email protected]
http://lists.webkit.org/mailman/listinfo.cgi/webkit-changes
