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path: root/Source/JavaScriptCore/jit/JITCall.cpp
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Diffstat (limited to 'Source/JavaScriptCore/jit/JITCall.cpp')
-rw-r--r--Source/JavaScriptCore/jit/JITCall.cpp10
1 files changed, 9 insertions, 1 deletions
diff --git a/Source/JavaScriptCore/jit/JITCall.cpp b/Source/JavaScriptCore/jit/JITCall.cpp
index 7664eb746..f6ea71e17 100644
--- a/Source/JavaScriptCore/jit/JITCall.cpp
+++ b/Source/JavaScriptCore/jit/JITCall.cpp
@@ -160,6 +160,14 @@ void JIT::compileOpCall(OpcodeID opcodeID, Instruction* instruction, unsigned ca
int argCount = instruction[2].u.operand;
int registerOffset = instruction[3].u.operand;
+ if (opcodeID == op_call && canBeOptimized()) {
+ emitGetVirtualRegister(registerOffset + CallFrame::argumentOffsetIncludingThis(0), regT0);
+ Jump done = emitJumpIfNotJSCell(regT0);
+ loadPtr(Address(regT0, JSCell::structureOffset()), regT0);
+ storePtr(regT0, instruction[5].u.arrayProfile->addressOfLastSeenStructure());
+ done.link(this);
+ }
+
addPtr(TrustedImm32(registerOffset * sizeof(Register)), callFrameRegister, regT1);
store32(TrustedImm32(argCount), Address(regT1, RegisterFile::ArgumentCount * static_cast<int>(sizeof(Register)) + OBJECT_OFFSETOF(EncodedValueDescriptor, asBits.payload)));
} // regT1 holds newCallFrame with ArgumentCount initialized.
@@ -188,7 +196,7 @@ void JIT::compileOpCall(OpcodeID opcodeID, Instruction* instruction, unsigned ca
m_callStructureStubCompilationInfo[callLinkInfoIndex].callType = CallLinkInfo::callTypeFor(opcodeID);
m_callStructureStubCompilationInfo[callLinkInfoIndex].bytecodeIndex = m_bytecodeOffset;
- loadPtr(Address(regT0, OBJECT_OFFSETOF(JSFunction, m_scopeChain)), regT1);
+ loadPtr(Address(regT0, OBJECT_OFFSETOF(JSFunction, m_scope)), regT1);
emitPutToCallFrameHeader(regT1, RegisterFile::ScopeChain);
m_callStructureStubCompilationInfo[callLinkInfoIndex].hotPathOther = emitNakedCall();