Imported WebKit commit bb52bf3c0119e8a128cd93afe5572413a8617de9 (http://svn.webkit.org/repository/webkit/trunk@108790)

1 files changed, 17 insertions, 5 deletions

diff --git a/Source/JavaScriptCore/jit/JITInlineMethods.h b/Source/JavaScriptCore/jit/JITInlineMethods.h
index dfcfbd499..e0310569d 100644
--- a/Source/JavaScriptCore/jit/JITInlineMethods.h
+++ b/Source/JavaScriptCore/jit/JITInlineMethods.h
@@ -265,8 +265,13 @@ ALWAYS_INLINE void JIT::restoreArgumentReference()
 ALWAYS_INLINE void JIT::updateTopCallFrame()
 {
     ASSERT(static_cast<int>(m_bytecodeOffset) >= 0);
-    if (m_bytecodeOffset)
+    if (m_bytecodeOffset) {
+#if USE(JSVALUE32_64)
+        storePtr(TrustedImmPtr(m_codeBlock->instructions().begin() + m_bytecodeOffset + 1), intTagFor(RegisterFile::ArgumentCount));
+#else
         store32(Imm32(m_bytecodeOffset + 1), intTagFor(RegisterFile::ArgumentCount));
+#endif
+    }
     storePtr(callFrameRegister, &m_globalData->topCallFrame);
 }
 
@@ -402,9 +407,13 @@ ALWAYS_INLINE bool JIT::isOperandConstantImmediateChar(unsigned src)
     return m_codeBlock->isConstantRegisterIndex(src) && getConstantOperand(src).isString() && asString(getConstantOperand(src).asCell())->length() == 1;
 }
 
-template <typename ClassType, typename StructureType> inline void JIT::emitAllocateBasicJSObject(StructureType structure, RegisterID result, RegisterID storagePtr)
+template <typename ClassType, bool destructor, typename StructureType> inline void JIT::emitAllocateBasicJSObject(StructureType structure, RegisterID result, RegisterID storagePtr)
 {
-    MarkedAllocator* allocator = &m_globalData->heap.allocatorForObject(sizeof(ClassType));
+    MarkedAllocator* allocator = 0;
+    if (destructor)
+        allocator = &m_globalData->heap.allocatorForObjectWithDestructor(sizeof(ClassType));
+    else
+        allocator = &m_globalData->heap.allocatorForObjectWithoutDestructor(sizeof(ClassType));
     loadPtr(&allocator->m_firstFreeCell, result);
     addSlowCase(branchTestPtr(Zero, result));
 
@@ -428,12 +437,12 @@ template <typename ClassType, typename StructureType> inline void JIT::emitAlloc
 
 template <typename T> inline void JIT::emitAllocateJSFinalObject(T structure, RegisterID result, RegisterID scratch)
 {
-    emitAllocateBasicJSObject<JSFinalObject>(structure, result, scratch);
+    emitAllocateBasicJSObject<JSFinalObject, false, T>(structure, result, scratch);
 }
 
 inline void JIT::emitAllocateJSFunction(FunctionExecutable* executable, RegisterID scopeChain, RegisterID result, RegisterID storagePtr)
 {
-    emitAllocateBasicJSObject<JSFunction>(TrustedImmPtr(m_codeBlock->globalObject()->namedFunctionStructure()), result, storagePtr);
+    emitAllocateBasicJSObject<JSFunction, true>(TrustedImmPtr(m_codeBlock->globalObject()->namedFunctionStructure()), result, storagePtr);
 
     // store the function's scope chain
     storePtr(scopeChain, Address(result, JSFunction::offsetOfScopeChain()));
@@ -676,6 +685,9 @@ inline void JIT::map(unsigned bytecodeOffset, int virtualRegisterIndex, Register
     m_mappedVirtualRegisterIndex = virtualRegisterIndex;
     m_mappedTag = tag;
     m_mappedPayload = payload;
+    
+    ASSERT(!canBeOptimized() || m_mappedPayload == regT0);
+    ASSERT(!canBeOptimized() || m_mappedTag == regT1);
 }
 
 inline void JIT::unmap(RegisterID registerID)