Title: [157586] trunk/Source/_javascript_Core
- Revision
- 157586
- Author
- msab...@apple.com
- Date
- 2013-10-17 11:57:41 -0700 (Thu, 17 Oct 2013)
Log Message
Remove saving callFrameRegister to JITStackFrame in JITCompiler::compileFunction()
https://bugs.webkit.org/show_bug.cgi?id=122974
Reviewed by Geoffrey Garen.
Eliminated unneeded storing to JITStackFrame.
* dfg/DFGJITCompiler.cpp:
(JSC::DFG::JITCompiler::compileFunction):
Modified Paths
Diff
Modified: trunk/Source/_javascript_Core/ChangeLog (157585 => 157586)
--- trunk/Source/_javascript_Core/ChangeLog 2013-10-17 18:52:57 UTC (rev 157585)
+++ trunk/Source/_javascript_Core/ChangeLog 2013-10-17 18:57:41 UTC (rev 157586)
@@ -1,5 +1,17 @@
2013-10-17 Michael Saboff <msab...@apple.com>
+ Remove saving callFrameRegister to JITStackFrame in JITCompiler::compileFunction()
+ https://bugs.webkit.org/show_bug.cgi?id=122974
+
+ Reviewed by Geoffrey Garen.
+
+ Eliminated unneeded storing to JITStackFrame.
+
+ * dfg/DFGJITCompiler.cpp:
+ (JSC::DFG::JITCompiler::compileFunction):
+
+2013-10-17 Michael Saboff <msab...@apple.com>
+
Transition cti_op_throw and cti_vm_throw to a JIT operation
https://bugs.webkit.org/show_bug.cgi?id=122931
Modified: trunk/Source/_javascript_Core/dfg/DFGJITCompiler.cpp (157585 => 157586)
--- trunk/Source/_javascript_Core/dfg/DFGJITCompiler.cpp 2013-10-17 18:52:57 UTC (rev 157585)
+++ trunk/Source/_javascript_Core/dfg/DFGJITCompiler.cpp 2013-10-17 18:57:41 UTC (rev 157586)
@@ -380,8 +380,6 @@
// we need to call out to a helper function to check whether more space is available.
// FIXME: change this from a cti call to a DFG style operation (normal C calling conventions).
stackCheck.link(this);
- move(stackPointerRegister, GPRInfo::argumentGPR0);
- poke(GPRInfo::callFrameRegister, OBJECT_OFFSETOF(struct JITStackFrame, callFrame) / sizeof(void*));
emitStoreCodeOrigin(CodeOrigin(0));
m_speculative->callOperationWithCallFrameRollbackOnException(operationStackCheck, m_codeBlock);
@@ -397,8 +395,6 @@
load32(AssemblyHelpers::payloadFor((VirtualRegister)JSStack::ArgumentCount), GPRInfo::regT1);
branch32(AboveOrEqual, GPRInfo::regT1, TrustedImm32(m_codeBlock->numParameters())).linkTo(fromArityCheck, this);
- move(stackPointerRegister, GPRInfo::argumentGPR0);
- poke(GPRInfo::callFrameRegister, OBJECT_OFFSETOF(struct JITStackFrame, callFrame) / sizeof(void*));
emitStoreCodeOrigin(CodeOrigin(0));
m_speculative->callOperationWithCallFrameRollbackOnException(m_codeBlock->m_isConstructor ? operationConstructArityCheck : operationCallArityCheck, GPRInfo::regT0);
branchTest32(Zero, GPRInfo::regT0).linkTo(fromArityCheck, this);
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