Merge branch 'qtwebkit-4.6-staging' into qtscript-jsc-backend

Conflicts: src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.cpp src/script/qscriptecmafunction.cpp src/script/qscriptecmaglobal.cpp src/script/qscriptengine.cpp src/script/qscriptengine_p.cpp src/script/qscriptenginefwd_p.h src/script/qscriptextqobject.cpp src/script/qscriptextqobject_p.h tests/auto/qscriptqobject/tst_qscriptqobject.cpp
author: Kent Hansen <khansen@trolltech.com> 2009-07-14 15:49:56 (GMT)
committer: Kent Hansen <khansen@trolltech.com> 2009-07-14 15:49:56 (GMT)
commit: 8fd9cbc859346d758bb730e85c679635f00940df (patch)
tree: bc3b10d79a458933b1f481bd7e88d1a633e7bc1e /src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.cpp
parent: 65b788014759fa06d65d1677b3dbd5cc4b596f6b (diff)
parent: 06af27069497a693f5b1a867b29d96297f68eb75 (diff)
download: Qt-8fd9cbc859346d758bb730e85c679635f00940df.zip
Qt-8fd9cbc859346d758bb730e85c679635f00940df.tar.gz
Qt-8fd9cbc859346d758bb730e85c679635f00940df.tar.bz2
1 files changed, 265 insertions, 293 deletions
diff --git a/src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.cpp b/src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.cpp
index d006b53..ccc26bb 100644
--- a/src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.cpp
+++ b/src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.cpp
@@ -116,7 +116,7 @@ NEVER_INLINE bool Interpreter::resolve(CallFrame* callFrame, Instruction* vPC, J
             exceptionValue = callFrame->globalData().exception;
             if (exceptionValue)
                 return false;
-            callFrame[dst] = JSValue(result);
+            callFrame->r(dst) = JSValue(result);
             return true;
         }
     } while (++iter != end);
@@ -149,7 +149,7 @@ NEVER_INLINE bool Interpreter::resolveSkip(CallFrame* callFrame, Instruction* vP
             exceptionValue = callFrame->globalData().exception;
             if (exceptionValue)
                 return false;
-            callFrame[dst] = JSValue(result);
+            callFrame->r(dst) = JSValue(result);
             return true;
         }
     } while (++iter != end);
@@ -167,7 +167,7 @@ NEVER_INLINE bool Interpreter::resolveGlobal(CallFrame* callFrame, Instruction*
     int offset = (vPC + 5)->u.operand;
 
     if (structure == globalObject->structure()) {
-        callFrame[dst] = JSValue(globalObject->getDirectOffset(offset));
+        callFrame->r(dst) = JSValue(globalObject->getDirectOffset(offset));
         return true;
     }
 
@@ -182,14 +182,14 @@ NEVER_INLINE bool Interpreter::resolveGlobal(CallFrame* callFrame, Instruction*
             globalObject->structure()->ref();
             vPC[4] = globalObject->structure();
             vPC[5] = slot.cachedOffset();
-            callFrame[dst] = JSValue(result);
+            callFrame->r(dst) = JSValue(result);
             return true;
         }
 
         exceptionValue = callFrame->globalData().exception;
         if (exceptionValue)
             return false;
-        callFrame[dst] = JSValue(result);
+        callFrame->r(dst) = JSValue(result);
         return true;
     }
 
@@ -201,7 +201,7 @@ NEVER_INLINE void Interpreter::resolveBase(CallFrame* callFrame, Instruction* vP
 {
     int dst = (vPC + 1)->u.operand;
     int property = (vPC + 2)->u.operand;
-    callFrame[dst] = JSValue(JSC::resolveBase(callFrame, callFrame->codeBlock()->identifier(property), callFrame->scopeChain()));
+    callFrame->r(dst) = JSValue(JSC::resolveBase(callFrame, callFrame->codeBlock()->identifier(property), callFrame->scopeChain()));
 }
 
 NEVER_INLINE bool Interpreter::resolveBaseAndProperty(CallFrame* callFrame, Instruction* vPC, JSValue& exceptionValue)
@@ -229,8 +229,8 @@ NEVER_INLINE bool Interpreter::resolveBaseAndProperty(CallFrame* callFrame, Inst
             exceptionValue = callFrame->globalData().exception;
             if (exceptionValue)
                 return false;
-            callFrame[propDst] = JSValue(result);
-            callFrame[baseDst] = JSValue(base);
+            callFrame->r(propDst) = JSValue(result);
+            callFrame->r(baseDst) = JSValue(base);
             return true;
         }
         ++iter;
@@ -274,8 +274,8 @@ NEVER_INLINE bool Interpreter::resolveBaseAndFunc(CallFrame* callFrame, Instruct
             if (exceptionValue)
                 return false;
 
-            callFrame[baseDst] = JSValue(thisObj);
-            callFrame[funcDst] = JSValue(result);
+            callFrame->r(baseDst) = JSValue(thisObj);
+            callFrame->r(funcDst) = JSValue(result);
             return true;
         }
         ++iter;
@@ -440,17 +440,7 @@ void Interpreter::dumpRegisters(CallFrame* callFrame)
     }
     printf("----------------------------------------------------\n");
 
-    end = it + codeBlock->m_numConstants;
-    if (it != end) {
-        do {
-            printf("[r%2d]                      | %10p | %10p \n", registerCount, it, (*it).v());
-            ++it;
-            ++registerCount;
-        } while (it != end);
-    }
-    printf("----------------------------------------------------\n");
-
-    end = it + codeBlock->m_numCalleeRegisters - codeBlock->m_numConstants - codeBlock->m_numVars;
+    end = it + codeBlock->m_numCalleeRegisters - codeBlock->m_numVars;
     if (it != end) {
         do {
             printf("[r%2d]                      | %10p | %10p \n", registerCount, it, (*it).v());
@@ -571,13 +561,13 @@ NEVER_INLINE HandlerInfo* Interpreter::throwException(CallFrame*& callFrame, JSV
     if (Profiler* profiler = *Profiler::enabledProfilerReference()) {
 #if !ENABLE(JIT)
         if (isCallBytecode(codeBlock->instructions()[bytecodeOffset].u.opcode))
-            profiler->didExecute(callFrame, callFrame[codeBlock->instructions()[bytecodeOffset + 2].u.operand].jsValue());
+            profiler->didExecute(callFrame, callFrame->r(codeBlock->instructions()[bytecodeOffset + 2].u.operand).jsValue());
         else if (codeBlock->instructions()[bytecodeOffset + 8].u.opcode == getOpcode(op_construct))
-            profiler->didExecute(callFrame, callFrame[codeBlock->instructions()[bytecodeOffset + 10].u.operand].jsValue());
+            profiler->didExecute(callFrame, callFrame->r(codeBlock->instructions()[bytecodeOffset + 10].u.operand).jsValue());
 #else
         int functionRegisterIndex;
         if (codeBlock->functionRegisterForBytecodeOffset(bytecodeOffset, functionRegisterIndex))
-            profiler->didExecute(callFrame, callFrame[functionRegisterIndex].jsValue());
+            profiler->didExecute(callFrame, callFrame->r(functionRegisterIndex).jsValue());
 #endif
     }
 
@@ -629,7 +619,7 @@ JSValue Interpreter::execute(ProgramNode* programNode, CallFrame* callFrame, Sco
     globalObject->copyGlobalsTo(m_registerFile);
 
     CallFrame* newCallFrame = CallFrame::create(oldEnd + codeBlock->m_numParameters + RegisterFile::CallFrameHeaderSize);
-    newCallFrame[codeBlock->thisRegister()] = JSValue(thisObj);
+    newCallFrame->r(codeBlock->thisRegister()) = JSValue(thisObj);
     newCallFrame->init(codeBlock, 0, scopeChain, CallFrame::noCaller(), 0, 0, 0);
 
     if (codeBlock->needsFullScopeChain())
@@ -686,10 +676,10 @@ JSValue Interpreter::execute(FunctionBodyNode* functionBodyNode, CallFrame* call
 
     CallFrame* newCallFrame = CallFrame::create(oldEnd);
     size_t dst = 0;
-    newCallFrame[0] = JSValue(thisObj);
+    newCallFrame->r(0) = JSValue(thisObj);
     ArgList::const_iterator end = args.end();
     for (ArgList::const_iterator it = args.begin(); it != end; ++it)
-        newCallFrame[++dst] = *it;
+        newCallFrame->r(++dst) = *it;
 
     CodeBlock* codeBlock = &functionBodyNode->bytecode(scopeChain);
     newCallFrame = slideRegisterWindowForCall(codeBlock, &m_registerFile, newCallFrame, argc + RegisterFile::CallFrameHeaderSize, argc);
@@ -747,7 +737,7 @@ CallFrameClosure Interpreter::prepareForRepeatCall(FunctionBodyNode* functionBod
     CallFrame* newCallFrame = CallFrame::create(oldEnd);
     size_t dst = 0;
     for (int i = 0; i < argc; ++i)
-        newCallFrame[++dst] = jsUndefined();
+        newCallFrame->r(++dst) = jsUndefined();
     
     CodeBlock* codeBlock = &functionBodyNode->bytecode(scopeChain);
     newCallFrame = slideRegisterWindowForCall(codeBlock, &m_registerFile, newCallFrame, argc + RegisterFile::CallFrameHeaderSize, argc);
@@ -858,7 +848,7 @@ JSValue Interpreter::execute(EvalNode* evalNode, CallFrame* callFrame, JSObject*
     CallFrame* newCallFrame = CallFrame::create(m_registerFile.start() + globalRegisterOffset);
 
     // a 0 codeBlock indicates a built-in caller
-    newCallFrame[codeBlock->thisRegister()] = JSValue(thisObj);
+    newCallFrame->r(codeBlock->thisRegister()) = JSValue(thisObj);
     newCallFrame->init(codeBlock, 0, scopeChain, callFrame->addHostCallFrameFlag(), 0, 0, 0);
 
     if (codeBlock->needsFullScopeChain())
@@ -922,9 +912,9 @@ NEVER_INLINE ScopeChainNode* Interpreter::createExceptionScope(CallFrame* callFr
     int dst = (++vPC)->u.operand;
     CodeBlock* codeBlock = callFrame->codeBlock();
     Identifier& property = codeBlock->identifier((++vPC)->u.operand);
-    JSValue value = callFrame[(++vPC)->u.operand].jsValue();
+    JSValue value = callFrame->r((++vPC)->u.operand).jsValue();
     JSObject* scope = new (callFrame) JSStaticScopeObject(callFrame, property, value, DontDelete);
-    callFrame[dst] = JSValue(scope);
+    callFrame->r(dst) = JSValue(scope);
 
     return callFrame->scopeChain()->push(scope);
 }
@@ -1201,7 +1191,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            constructor, and puts the result in register dst.
         */
         int dst = (++vPC)->u.operand;
-        callFrame[dst] = JSValue(constructEmptyObject(callFrame));
+        callFrame->r(dst) = JSValue(constructEmptyObject(callFrame));
 
         ++vPC;
         NEXT_INSTRUCTION();
@@ -1218,7 +1208,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int firstArg = (++vPC)->u.operand;
         int argCount = (++vPC)->u.operand;
         ArgList args(callFrame->registers() + firstArg, argCount);
-        callFrame[dst] = JSValue(constructArray(callFrame, args));
+        callFrame->r(dst) = JSValue(constructArray(callFrame, args));
 
         ++vPC;
         NEXT_INSTRUCTION();
@@ -1232,7 +1222,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         */
         int dst = (++vPC)->u.operand;
         int regExp = (++vPC)->u.operand;
-        callFrame[dst] = JSValue(new (globalData) RegExpObject(callFrame->scopeChain()->globalObject()->regExpStructure(), callFrame->codeBlock()->regexp(regExp)));
+        callFrame->r(dst) = JSValue(new (globalData) RegExpObject(callFrame->scopeChain()->globalObject()->regExpStructure(), callFrame->codeBlock()->regexp(regExp)));
 
         ++vPC;
         NEXT_INSTRUCTION();
@@ -1244,7 +1234,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         */
         int dst = (++vPC)->u.operand;
         int src = (++vPC)->u.operand;
-        callFrame[dst] = callFrame[src];
+        callFrame->r(dst) = callFrame->r(src);
 
         ++vPC;
         NEXT_INSTRUCTION();
@@ -1257,14 +1247,14 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            as a boolean in register dst.
         */
         int dst = (++vPC)->u.operand;
-        JSValue src1 = callFrame[(++vPC)->u.operand].jsValue();
-        JSValue src2 = callFrame[(++vPC)->u.operand].jsValue();
+        JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue();
+        JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue();
         if (JSFastMath::canDoFastBitwiseOperations(src1, src2))
-            callFrame[dst] = JSFastMath::equal(src1, src2);
+            callFrame->r(dst) = JSFastMath::equal(src1, src2);
         else {
             JSValue result = jsBoolean(JSValue::equalSlowCase(callFrame, src1, src2));
             CHECK_FOR_EXCEPTION();
-            callFrame[dst] = result;
+            callFrame->r(dst) = result;
         }
 
         ++vPC;
@@ -1277,15 +1267,15 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            operator, and puts the result as a boolean in register dst.
         */
         int dst = (++vPC)->u.operand;
-        JSValue src = callFrame[(++vPC)->u.operand].jsValue();
+        JSValue src = callFrame->r((++vPC)->u.operand).jsValue();
 
         if (src.isUndefinedOrNull()) {
-            callFrame[dst] = jsBoolean(true);
+            callFrame->r(dst) = jsBoolean(true);
             ++vPC;
             NEXT_INSTRUCTION();
         }
         
-        callFrame[dst] = jsBoolean(src.isCell() && src.asCell()->structure()->typeInfo().masqueradesAsUndefined());
+        callFrame->r(dst) = jsBoolean(src.isCell() && src.asCell()->structure()->typeInfo().masqueradesAsUndefined());
         ++vPC;
         NEXT_INSTRUCTION();
     }
@@ -1297,14 +1287,14 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            result as a boolean in register dst.
         */
         int dst = (++vPC)->u.operand;
-        JSValue src1 = callFrame[(++vPC)->u.operand].jsValue();
-        JSValue src2 = callFrame[(++vPC)->u.operand].jsValue();
+        JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue();
+        JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue();
         if (JSFastMath::canDoFastBitwiseOperations(src1, src2))
-            callFrame[dst] = JSFastMath::notEqual(src1, src2);
+            callFrame->r(dst) = JSFastMath::notEqual(src1, src2);
         else {
             JSValue result = jsBoolean(!JSValue::equalSlowCase(callFrame, src1, src2));
             CHECK_FOR_EXCEPTION();
-            callFrame[dst] = result;
+            callFrame->r(dst) = result;
         }
 
         ++vPC;
@@ -1317,15 +1307,15 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            operator, and puts the result as a boolean in register dst.
         */
         int dst = (++vPC)->u.operand;
-        JSValue src = callFrame[(++vPC)->u.operand].jsValue();
+        JSValue src = callFrame->r((++vPC)->u.operand).jsValue();
 
         if (src.isUndefinedOrNull()) {
-            callFrame[dst] = jsBoolean(false);
+            callFrame->r(dst) = jsBoolean(false);
             ++vPC;
             NEXT_INSTRUCTION();
         }
         
-        callFrame[dst] = jsBoolean(!src.isCell() || !asCell(src)->structure()->typeInfo().masqueradesAsUndefined());
+        callFrame->r(dst) = jsBoolean(!src.isCell() || !asCell(src)->structure()->typeInfo().masqueradesAsUndefined());
         ++vPC;
         NEXT_INSTRUCTION();
     }
@@ -1337,9 +1327,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            result as a boolean in register dst.
         */
         int dst = (++vPC)->u.operand;
-        JSValue src1 = callFrame[(++vPC)->u.operand].jsValue();
-        JSValue src2 = callFrame[(++vPC)->u.operand].jsValue();
-        callFrame[dst] = jsBoolean(JSValue::strictEqual(src1, src2));
+        JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue();
+        JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue();
+        callFrame->r(dst) = jsBoolean(JSValue::strictEqual(src1, src2));
 
         ++vPC;
         NEXT_INSTRUCTION();
@@ -1352,9 +1342,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            puts the result as a boolean in register dst.
         */
         int dst = (++vPC)->u.operand;
-        JSValue src1 = callFrame[(++vPC)->u.operand].jsValue();
-        JSValue src2 = callFrame[(++vPC)->u.operand].jsValue();
-        callFrame[dst] = jsBoolean(!JSValue::strictEqual(src1, src2));
+        JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue();
+        JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue();
+        callFrame->r(dst) = jsBoolean(!JSValue::strictEqual(src1, src2));
 
         ++vPC;
         NEXT_INSTRUCTION();
@@ -1367,11 +1357,11 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            a boolean in register dst.
         */
         int dst = (++vPC)->u.operand;
-        JSValue src1 = callFrame[(++vPC)->u.operand].jsValue();
-        JSValue src2 = callFrame[(++vPC)->u.operand].jsValue();
+        JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue();
+        JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue();
         JSValue result = jsBoolean(jsLess(callFrame, src1, src2));
         CHECK_FOR_EXCEPTION();
-        callFrame[dst] = result;
+        callFrame->r(dst) = result;
 
         ++vPC;
         NEXT_INSTRUCTION();
@@ -1384,11 +1374,11 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            puts the result as a boolean in register dst.
         */
         int dst = (++vPC)->u.operand;
-        JSValue src1 = callFrame[(++vPC)->u.operand].jsValue();
-        JSValue src2 = callFrame[(++vPC)->u.operand].jsValue();
+        JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue();
+        JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue();
         JSValue result = jsBoolean(jsLessEq(callFrame, src1, src2));
         CHECK_FOR_EXCEPTION();
-        callFrame[dst] = result;
+        callFrame->r(dst) = result;
 
         ++vPC;
         NEXT_INSTRUCTION();
@@ -1400,13 +1390,13 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            back in register srcDst.
         */
         int srcDst = (++vPC)->u.operand;
-        JSValue v = callFrame[srcDst].jsValue();
+        JSValue v = callFrame->r(srcDst).jsValue();
         if (JSFastMath::canDoFastAdditiveOperations(v))
-            callFrame[srcDst] = JSValue(JSFastMath::incImmediateNumber(v));
+            callFrame->r(srcDst) = JSValue(JSFastMath::incImmediateNumber(v));
         else {
             JSValue result = jsNumber(callFrame, v.toNumber(callFrame) + 1);
             CHECK_FOR_EXCEPTION();
-            callFrame[srcDst] = result;
+            callFrame->r(srcDst) = result;
         }
 
         ++vPC;
@@ -1419,13 +1409,13 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            back in register srcDst.
         */
         int srcDst = (++vPC)->u.operand;
-        JSValue v = callFrame[srcDst].jsValue();
+        JSValue v = callFrame->r(srcDst).jsValue();
         if (JSFastMath::canDoFastAdditiveOperations(v))
-            callFrame[srcDst] = JSValue(JSFastMath::decImmediateNumber(v));
+            callFrame->r(srcDst) = JSValue(JSFastMath::decImmediateNumber(v));
         else {
             JSValue result = jsNumber(callFrame, v.toNumber(callFrame) - 1);
             CHECK_FOR_EXCEPTION();
-            callFrame[srcDst] = result;
+            callFrame->r(srcDst) = result;
         }
 
         ++vPC;
@@ -1440,15 +1430,15 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         */
         int dst = (++vPC)->u.operand;
         int srcDst = (++vPC)->u.operand;
-        JSValue v = callFrame[srcDst].jsValue();
+        JSValue v = callFrame->r(srcDst).jsValue();
         if (JSFastMath::canDoFastAdditiveOperations(v)) {
-            callFrame[dst] = v;
-            callFrame[srcDst] = JSValue(JSFastMath::incImmediateNumber(v));
+            callFrame->r(dst) = v;
+            callFrame->r(srcDst) = JSValue(JSFastMath::incImmediateNumber(v));
         } else {
-            JSValue number = callFrame[srcDst].jsValue().toJSNumber(callFrame);
+            JSValue number = callFrame->r(srcDst).jsValue().toJSNumber(callFrame);
             CHECK_FOR_EXCEPTION();
-            callFrame[dst] = number;
-            callFrame[srcDst] = JSValue(jsNumber(callFrame, number.uncheckedGetNumber() + 1));
+            callFrame->r(dst) = number;
+            callFrame->r(srcDst) = JSValue(jsNumber(callFrame, number.uncheckedGetNumber() + 1));
         }
 
         ++vPC;
@@ -1463,15 +1453,15 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         */
         int dst = (++vPC)->u.operand;
         int srcDst = (++vPC)->u.operand;
-        JSValue v = callFrame[srcDst].jsValue();
+        JSValue v = callFrame->r(srcDst).jsValue();
         if (JSFastMath::canDoFastAdditiveOperations(v)) {
-            callFrame[dst] = v;
-            callFrame[srcDst] = JSValue(JSFastMath::decImmediateNumber(v));
+            callFrame->r(dst) = v;
+            callFrame->r(srcDst) = JSValue(JSFastMath::decImmediateNumber(v));
         } else {
-            JSValue number = callFrame[srcDst].jsValue().toJSNumber(callFrame);
+            JSValue number = callFrame->r(srcDst).jsValue().toJSNumber(callFrame);
             CHECK_FOR_EXCEPTION();
-            callFrame[dst] = number;
-            callFrame[srcDst] = JSValue(jsNumber(callFrame, number.uncheckedGetNumber() - 1));
+            callFrame->r(dst) = number;
+            callFrame->r(srcDst) = JSValue(jsNumber(callFrame, number.uncheckedGetNumber() - 1));
         }
 
         ++vPC;
@@ -1486,14 +1476,14 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int dst = (++vPC)->u.operand;
         int src = (++vPC)->u.operand;
 
-        JSValue srcVal = callFrame[src].jsValue();
+        JSValue srcVal = callFrame->r(src).jsValue();
 
         if (LIKELY(srcVal.isNumber()))
-            callFrame[dst] = callFrame[src];
+            callFrame->r(dst) = callFrame->r(src);
         else {
             JSValue result = srcVal.toJSNumber(callFrame);
             CHECK_FOR_EXCEPTION();
-            callFrame[dst] = result;
+            callFrame->r(dst) = result;
         }
 
         ++vPC;
@@ -1506,15 +1496,15 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            result in register dst.
         */
         int dst = (++vPC)->u.operand;
-        JSValue src = callFrame[(++vPC)->u.operand].jsValue();
+        JSValue src = callFrame->r((++vPC)->u.operand).jsValue();
         ++vPC;
         double v;
         if (src.getNumber(v))
-            callFrame[dst] = JSValue(jsNumber(callFrame, -v));
+            callFrame->r(dst) = JSValue(jsNumber(callFrame, -v));
         else {
             JSValue result = jsNumber(callFrame, -src.toNumber(callFrame));
             CHECK_FOR_EXCEPTION();
-            callFrame[dst] = result;
+            callFrame->r(dst) = result;
         }
 
         NEXT_INSTRUCTION();
@@ -1527,14 +1517,14 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            numeric add, depending on the types of the operands.)
         */
         int dst = (++vPC)->u.operand;
-        JSValue src1 = callFrame[(++vPC)->u.operand].jsValue();
-        JSValue src2 = callFrame[(++vPC)->u.operand].jsValue();
+        JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue();
+        JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue();
         if (JSFastMath::canDoFastAdditiveOperations(src1, src2))
-            callFrame[dst] = JSValue(JSFastMath::addImmediateNumbers(src1, src2));
+            callFrame->r(dst) = JSValue(JSFastMath::addImmediateNumbers(src1, src2));
         else {
             JSValue result = jsAdd(callFrame, src1, src2);
             CHECK_FOR_EXCEPTION();
-            callFrame[dst] = result;
+            callFrame->r(dst) = result;
         }
         vPC += 2;
         NEXT_INSTRUCTION();
@@ -1546,23 +1536,23 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            numbers), and puts the product in register dst.
         */
         int dst = (++vPC)->u.operand;
-        JSValue src1 = callFrame[(++vPC)->u.operand].jsValue();
-        JSValue src2 = callFrame[(++vPC)->u.operand].jsValue();
+        JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue();
+        JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue();
         double left;
         double right;
         if (JSValue::areBothInt32Fast(src1, src2)) {
             int32_t left = src1.getInt32Fast();
             int32_t right = src2.getInt32Fast();
             if ((left | right) >> 15 == 0)
-                callFrame[dst] = JSValue(jsNumber(callFrame, left * right));
+                callFrame->r(dst) = JSValue(jsNumber(callFrame, left * right));
             else
-                callFrame[dst] = JSValue(jsNumber(callFrame, static_cast<double>(left) * static_cast<double>(right)));
+                callFrame->r(dst) = JSValue(jsNumber(callFrame, static_cast<double>(left) * static_cast<double>(right)));
         } else if (src1.getNumber(left) && src2.getNumber(right))
-            callFrame[dst] = JSValue(jsNumber(callFrame, left * right));
+            callFrame->r(dst) = JSValue(jsNumber(callFrame, left * right));
         else {
             JSValue result = jsNumber(callFrame, src1.toNumber(callFrame) * src2.toNumber(callFrame));
             CHECK_FOR_EXCEPTION();
-            callFrame[dst] = result;
+            callFrame->r(dst) = result;
         }
 
         vPC += 2;
@@ -1576,16 +1566,16 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            quotient in register dst.
         */
         int dst = (++vPC)->u.operand;
-        JSValue dividend = callFrame[(++vPC)->u.operand].jsValue();
-        JSValue divisor = callFrame[(++vPC)->u.operand].jsValue();
+        JSValue dividend = callFrame->r((++vPC)->u.operand).jsValue();
+        JSValue divisor = callFrame->r((++vPC)->u.operand).jsValue();
         double left;
         double right;
         if (dividend.getNumber(left) && divisor.getNumber(right))
-            callFrame[dst] = JSValue(jsNumber(callFrame, left / right));
+            callFrame->r(dst) = JSValue(jsNumber(callFrame, left / right));
         else {
             JSValue result = jsNumber(callFrame, dividend.toNumber(callFrame) / divisor.toNumber(callFrame));
             CHECK_FOR_EXCEPTION();
-            callFrame[dst] = result;
+            callFrame->r(dst) = result;
         }
         ++vPC;
         NEXT_INSTRUCTION();
@@ -1601,15 +1591,15 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int dividend = (++vPC)->u.operand;
         int divisor = (++vPC)->u.operand;
 
-        JSValue dividendValue = callFrame[dividend].jsValue();
-        JSValue divisorValue = callFrame[divisor].jsValue();
+        JSValue dividendValue = callFrame->r(dividend).jsValue();
+        JSValue divisorValue = callFrame->r(divisor).jsValue();
 
         if (JSValue::areBothInt32Fast(dividendValue, divisorValue) && divisorValue != jsNumber(callFrame, 0)) {
             // We expect the result of the modulus of a number that was representable as an int32 to also be representable
             // as an int32.
             JSValue result = JSValue::makeInt32Fast(dividendValue.getInt32Fast() % divisorValue.getInt32Fast());
             ASSERT(result);
-            callFrame[dst] = result;
+            callFrame->r(dst) = result;
             ++vPC;
             NEXT_INSTRUCTION();
         }
@@ -1617,7 +1607,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         double d = dividendValue.toNumber(callFrame);
         JSValue result = jsNumber(callFrame, fmod(d, divisorValue.toNumber(callFrame)));
         CHECK_FOR_EXCEPTION();
-        callFrame[dst] = result;
+        callFrame->r(dst) = result;
         ++vPC;
         NEXT_INSTRUCTION();
     }
@@ -1629,18 +1619,18 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            register dst.
         */
         int dst = (++vPC)->u.operand;
-        JSValue src1 = callFrame[(++vPC)->u.operand].jsValue();
-        JSValue src2 = callFrame[(++vPC)->u.operand].jsValue();
+        JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue();
+        JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue();
         double left;
         double right;
         if (JSFastMath::canDoFastAdditiveOperations(src1, src2))
-            callFrame[dst] = JSValue(JSFastMath::subImmediateNumbers(src1, src2));
+            callFrame->r(dst) = JSValue(JSFastMath::subImmediateNumbers(src1, src2));
         else if (src1.getNumber(left) && src2.getNumber(right))
-            callFrame[dst] = JSValue(jsNumber(callFrame, left - right));
+            callFrame->r(dst) = JSValue(jsNumber(callFrame, left - right));
         else {
             JSValue result = jsNumber(callFrame, src1.toNumber(callFrame) - src2.toNumber(callFrame));
             CHECK_FOR_EXCEPTION();
-            callFrame[dst] = result;
+            callFrame->r(dst) = result;
         }
         vPC += 2;
         NEXT_INSTRUCTION();
@@ -1653,18 +1643,18 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            in register dst.
         */
         int dst = (++vPC)->u.operand;
-        JSValue val = callFrame[(++vPC)->u.operand].jsValue();
-        JSValue shift = callFrame[(++vPC)->u.operand].jsValue();
+        JSValue val = callFrame->r((++vPC)->u.operand).jsValue();
+        JSValue shift = callFrame->r((++vPC)->u.operand).jsValue();
         int32_t left;
         uint32_t right;
         if (JSValue::areBothInt32Fast(val, shift))
-            callFrame[dst] = JSValue(jsNumber(callFrame, val.getInt32Fast() << (shift.getInt32Fast() & 0x1f)));
+            callFrame->r(dst) = JSValue(jsNumber(callFrame, val.getInt32Fast() << (shift.getInt32Fast() & 0x1f)));
         else if (val.numberToInt32(left) && shift.numberToUInt32(right))
-            callFrame[dst] = JSValue(jsNumber(callFrame, left << (right & 0x1f)));
+            callFrame->r(dst) = JSValue(jsNumber(callFrame, left << (right & 0x1f)));
         else {
             JSValue result = jsNumber(callFrame, (val.toInt32(callFrame)) << (shift.toUInt32(callFrame) & 0x1f));
             CHECK_FOR_EXCEPTION();
-            callFrame[dst] = result;
+            callFrame->r(dst) = result;
         }
 
         ++vPC;
@@ -1678,18 +1668,18 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            uint32), and puts the result in register dst.
         */
         int dst = (++vPC)->u.operand;
-        JSValue val = callFrame[(++vPC)->u.operand].jsValue();
-        JSValue shift = callFrame[(++vPC)->u.operand].jsValue();
+        JSValue val = callFrame->r((++vPC)->u.operand).jsValue();
+        JSValue shift = callFrame->r((++vPC)->u.operand).jsValue();
         int32_t left;
         uint32_t right;
         if (JSFastMath::canDoFastRshift(val, shift))
-            callFrame[dst] = JSValue(JSFastMath::rightShiftImmediateNumbers(val, shift));
+            callFrame->r(dst) = JSValue(JSFastMath::rightShiftImmediateNumbers(val, shift));
         else if (val.numberToInt32(left) && shift.numberToUInt32(right))
-            callFrame[dst] = JSValue(jsNumber(callFrame, left >> (right & 0x1f)));
+            callFrame->r(dst) = JSValue(jsNumber(callFrame, left >> (right & 0x1f)));
         else {
             JSValue result = jsNumber(callFrame, (val.toInt32(callFrame)) >> (shift.toUInt32(callFrame) & 0x1f));
             CHECK_FOR_EXCEPTION();
-            callFrame[dst] = result;
+            callFrame->r(dst) = result;
         }
 
         ++vPC;
@@ -1703,14 +1693,14 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            uint32), and puts the result in register dst.
         */
         int dst = (++vPC)->u.operand;
-        JSValue val = callFrame[(++vPC)->u.operand].jsValue();
-        JSValue shift = callFrame[(++vPC)->u.operand].jsValue();
+        JSValue val = callFrame->r((++vPC)->u.operand).jsValue();
+        JSValue shift = callFrame->r((++vPC)->u.operand).jsValue();
         if (JSFastMath::canDoFastUrshift(val, shift))
-            callFrame[dst] = JSValue(JSFastMath::rightShiftImmediateNumbers(val, shift));
+            callFrame->r(dst) = JSValue(JSFastMath::rightShiftImmediateNumbers(val, shift));
         else {
             JSValue result = jsNumber(callFrame, (val.toUInt32(callFrame)) >> (shift.toUInt32(callFrame) & 0x1f));
             CHECK_FOR_EXCEPTION();
-            callFrame[dst] = result;
+            callFrame->r(dst) = result;
         }
 
         ++vPC;
@@ -1724,18 +1714,18 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            in register dst.
         */
         int dst = (++vPC)->u.operand;
-        JSValue src1 = callFrame[(++vPC)->u.operand].jsValue();
-        JSValue src2 = callFrame[(++vPC)->u.operand].jsValue();
+        JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue();
+        JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue();
         int32_t left;
         int32_t right;
         if (JSFastMath::canDoFastBitwiseOperations(src1, src2))
-            callFrame[dst] = JSValue(JSFastMath::andImmediateNumbers(src1, src2));
+            callFrame->r(dst) = JSValue(JSFastMath::andImmediateNumbers(src1, src2));
         else if (src1.numberToInt32(left) && src2.numberToInt32(right))
-            callFrame[dst] = JSValue(jsNumber(callFrame, left & right));
+            callFrame->r(dst) = JSValue(jsNumber(callFrame, left & right));
         else {
             JSValue result = jsNumber(callFrame, src1.toInt32(callFrame) & src2.toInt32(callFrame));
             CHECK_FOR_EXCEPTION();
-            callFrame[dst] = result;
+            callFrame->r(dst) = result;
         }
 
         vPC += 2;
@@ -1749,18 +1739,18 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            in register dst.
         */
         int dst = (++vPC)->u.operand;
-        JSValue src1 = callFrame[(++vPC)->u.operand].jsValue();
-        JSValue src2 = callFrame[(++vPC)->u.operand].jsValue();
+        JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue();
+        JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue();
         int32_t left;
         int32_t right;
         if (JSFastMath::canDoFastBitwiseOperations(src1, src2))
-            callFrame[dst] = JSValue(JSFastMath::xorImmediateNumbers(src1, src2));
+            callFrame->r(dst) = JSValue(JSFastMath::xorImmediateNumbers(src1, src2));
         else if (src1.numberToInt32(left) && src2.numberToInt32(right))
-            callFrame[dst] = JSValue(jsNumber(callFrame, left ^ right));
+            callFrame->r(dst) = JSValue(jsNumber(callFrame, left ^ right));
         else {
             JSValue result = jsNumber(callFrame, src1.toInt32(callFrame) ^ src2.toInt32(callFrame));
             CHECK_FOR_EXCEPTION();
-            callFrame[dst] = result;
+            callFrame->r(dst) = result;
         }
 
         vPC += 2;
@@ -1774,18 +1764,18 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            result in register dst.
         */
         int dst = (++vPC)->u.operand;
-        JSValue src1 = callFrame[(++vPC)->u.operand].jsValue();
-        JSValue src2 = callFrame[(++vPC)->u.operand].jsValue();
+        JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue();
+        JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue();
         int32_t left;
         int32_t right;
         if (JSFastMath::canDoFastBitwiseOperations(src1, src2))
-            callFrame[dst] = JSValue(JSFastMath::orImmediateNumbers(src1, src2));
+            callFrame->r(dst) = JSValue(JSFastMath::orImmediateNumbers(src1, src2));
         else if (src1.numberToInt32(left) && src2.numberToInt32(right))
-            callFrame[dst] = JSValue(jsNumber(callFrame, left | right));
+            callFrame->r(dst) = JSValue(jsNumber(callFrame, left | right));
         else {
             JSValue result = jsNumber(callFrame, src1.toInt32(callFrame) | src2.toInt32(callFrame));
             CHECK_FOR_EXCEPTION();
-            callFrame[dst] = result;
+            callFrame->r(dst) = result;
         }
 
         vPC += 2;
@@ -1798,14 +1788,14 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            and puts the result in register dst.
         */
         int dst = (++vPC)->u.operand;
-        JSValue src = callFrame[(++vPC)->u.operand].jsValue();
+        JSValue src = callFrame->r((++vPC)->u.operand).jsValue();
         int32_t value;
         if (src.numberToInt32(value))
-            callFrame[dst] = JSValue(jsNumber(callFrame, ~value));
+            callFrame->r(dst) = JSValue(jsNumber(callFrame, ~value));
         else {
             JSValue result = jsNumber(callFrame, ~src.toInt32(callFrame));
             CHECK_FOR_EXCEPTION();
-            callFrame[dst] = result;
+            callFrame->r(dst) = result;
         }
         ++vPC;
         NEXT_INSTRUCTION();
@@ -1818,9 +1808,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         */
         int dst = (++vPC)->u.operand;
         int src = (++vPC)->u.operand;
-        JSValue result = jsBoolean(!callFrame[src].jsValue().toBoolean(callFrame));
+        JSValue result = jsBoolean(!callFrame->r(src).jsValue().toBoolean(callFrame));
         CHECK_FOR_EXCEPTION();
-        callFrame[dst] = result;
+        callFrame->r(dst) = result;
 
         ++vPC;
         NEXT_INSTRUCTION();
@@ -1843,14 +1833,14 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int base = vPC[3].u.operand;
         int baseProto = vPC[4].u.operand;
 
-        JSValue baseVal = callFrame[base].jsValue();
+        JSValue baseVal = callFrame->r(base).jsValue();
 
         if (isInvalidParamForInstanceOf(callFrame, callFrame->codeBlock(), vPC, baseVal, exceptionValue))
             goto vm_throw;
 
-        bool result = asObject(baseVal)->hasInstance(callFrame, callFrame[value].jsValue(), callFrame[baseProto].jsValue());
+        bool result = asObject(baseVal)->hasInstance(callFrame, callFrame->r(value).jsValue(), callFrame->r(baseProto).jsValue());
         CHECK_FOR_EXCEPTION();
-        callFrame[dst] = jsBoolean(result);
+        callFrame->r(dst) = jsBoolean(result);
 
         vPC += 5;
         NEXT_INSTRUCTION();
@@ -1863,7 +1853,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         */
         int dst = (++vPC)->u.operand;
         int src = (++vPC)->u.operand;
-        callFrame[dst] = JSValue(jsTypeStringForValue(callFrame, callFrame[src].jsValue()));
+        callFrame->r(dst) = JSValue(jsTypeStringForValue(callFrame, callFrame->r(src).jsValue()));
 
         ++vPC;
         NEXT_INSTRUCTION();
@@ -1877,8 +1867,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         */
         int dst = (++vPC)->u.operand;
         int src = (++vPC)->u.operand;
-        JSValue v = callFrame[src].jsValue();
-        callFrame[dst] = jsBoolean(v.isCell() ? v.asCell()->structure()->typeInfo().masqueradesAsUndefined() : v.isUndefined());
+        JSValue v = callFrame->r(src).jsValue();
+        callFrame->r(dst) = jsBoolean(v.isCell() ? v.asCell()->structure()->typeInfo().masqueradesAsUndefined() : v.isUndefined());
 
         ++vPC;
         NEXT_INSTRUCTION();
@@ -1892,7 +1882,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         */
         int dst = (++vPC)->u.operand;
         int src = (++vPC)->u.operand;
-        callFrame[dst] = jsBoolean(callFrame[src].jsValue().isBoolean());
+        callFrame->r(dst) = jsBoolean(callFrame->r(src).jsValue().isBoolean());
 
         ++vPC;
         NEXT_INSTRUCTION();
@@ -1906,7 +1896,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         */
         int dst = (++vPC)->u.operand;
         int src = (++vPC)->u.operand;
-        callFrame[dst] = jsBoolean(callFrame[src].jsValue().isNumber());
+        callFrame->r(dst) = jsBoolean(callFrame->r(src).jsValue().isNumber());
 
         ++vPC;
         NEXT_INSTRUCTION();
@@ -1920,7 +1910,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         */
         int dst = (++vPC)->u.operand;
         int src = (++vPC)->u.operand;
-        callFrame[dst] = jsBoolean(callFrame[src].jsValue().isString());
+        callFrame->r(dst) = jsBoolean(callFrame->r(src).jsValue().isString());
 
         ++vPC;
         NEXT_INSTRUCTION();
@@ -1934,7 +1924,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         */
         int dst = (++vPC)->u.operand;
         int src = (++vPC)->u.operand;
-        callFrame[dst] = jsBoolean(jsIsObjectType(callFrame[src].jsValue()));
+        callFrame->r(dst) = jsBoolean(jsIsObjectType(callFrame->r(src).jsValue()));
 
         ++vPC;
         NEXT_INSTRUCTION();
@@ -1948,7 +1938,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         */
         int dst = (++vPC)->u.operand;
         int src = (++vPC)->u.operand;
-        callFrame[dst] = jsBoolean(jsIsFunctionType(callFrame[src].jsValue()));
+        callFrame->r(dst) = jsBoolean(jsIsFunctionType(callFrame->r(src).jsValue()));
 
         ++vPC;
         NEXT_INSTRUCTION();
@@ -1966,21 +1956,21 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int property = (++vPC)->u.operand;
         int base = (++vPC)->u.operand;
 
-        JSValue baseVal = callFrame[base].jsValue();
+        JSValue baseVal = callFrame->r(base).jsValue();
         if (isInvalidParamForIn(callFrame, callFrame->codeBlock(), vPC, baseVal, exceptionValue))
             goto vm_throw;
 
         JSObject* baseObj = asObject(baseVal);
 
-        JSValue propName = callFrame[property].jsValue();
+        JSValue propName = callFrame->r(property).jsValue();
 
         uint32_t i;
         if (propName.getUInt32(i))
-            callFrame[dst] = jsBoolean(baseObj->hasProperty(callFrame, i));
+            callFrame->r(dst) = jsBoolean(baseObj->hasProperty(callFrame, i));
         else {
             Identifier property(callFrame, propName.toString(callFrame));
             CHECK_FOR_EXCEPTION();
-            callFrame[dst] = jsBoolean(baseObj->hasProperty(callFrame, property));
+            callFrame->r(dst) = jsBoolean(baseObj->hasProperty(callFrame, property));
         }
 
         ++vPC;
@@ -2038,7 +2028,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         ASSERT(scope->isGlobalObject());
         int index = (++vPC)->u.operand;
 
-        callFrame[dst] = scope->registerAt(index);
+        callFrame->r(dst) = scope->registerAt(index);
         ++vPC;
         NEXT_INSTRUCTION();
     }
@@ -2052,7 +2042,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int index = (++vPC)->u.operand;
         int value = (++vPC)->u.operand;
         
-        scope->registerAt(index) = JSValue(callFrame[value].jsValue());
+        scope->registerAt(index) = JSValue(callFrame->r(value).jsValue());
         ++vPC;
         NEXT_INSTRUCTION();
     }            
@@ -2077,7 +2067,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
 
         ASSERT((*iter)->isVariableObject());
         JSVariableObject* scope = static_cast<JSVariableObject*>(*iter);
-        callFrame[dst] = scope->registerAt(index);
+        callFrame->r(dst) = scope->registerAt(index);
         ++vPC;
         NEXT_INSTRUCTION();
     }
@@ -2100,7 +2090,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
 
         ASSERT((*iter)->isVariableObject());
         JSVariableObject* scope = static_cast<JSVariableObject*>(*iter);
-        scope->registerAt(index) = JSValue(callFrame[value].jsValue());
+        scope->registerAt(index) = JSValue(callFrame->r(value).jsValue());
         ++vPC;
         NEXT_INSTRUCTION();
     }
@@ -2168,14 +2158,14 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
 
         CodeBlock* codeBlock = callFrame->codeBlock();
         Identifier& ident = codeBlock->identifier(property);
-        JSValue baseValue = callFrame[base].jsValue();
+        JSValue baseValue = callFrame->r(base).jsValue();
         PropertySlot slot(baseValue);
         JSValue result = baseValue.get(callFrame, ident, slot);
         CHECK_FOR_EXCEPTION();
 
         tryCacheGetByID(callFrame, codeBlock, vPC, baseValue, ident, slot);
 
-        callFrame[dst] = result;
+        callFrame->r(dst) = result;
         vPC += 8;
         NEXT_INSTRUCTION();
     }
@@ -2187,7 +2177,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            op_get_by_id.
         */
         int base = vPC[2].u.operand;
-        JSValue baseValue = callFrame[base].jsValue();
+        JSValue baseValue = callFrame->r(base).jsValue();
 
         if (LIKELY(baseValue.isCell())) {
             JSCell* baseCell = asCell(baseValue);
@@ -2200,7 +2190,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
                 int offset = vPC[5].u.operand;
 
                 ASSERT(baseObject->get(callFrame, callFrame->codeBlock()->identifier(vPC[3].u.operand)) == baseObject->getDirectOffset(offset));
-                callFrame[dst] = JSValue(baseObject->getDirectOffset(offset));
+                callFrame->r(dst) = JSValue(baseObject->getDirectOffset(offset));
 
                 vPC += 8;
                 NEXT_INSTRUCTION();
@@ -2218,7 +2208,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            reverts to op_get_by_id.
         */
         int base = vPC[2].u.operand;
-        JSValue baseValue = callFrame[base].jsValue();
+        JSValue baseValue = callFrame->r(base).jsValue();
 
         if (LIKELY(baseValue.isCell())) {
             JSCell* baseCell = asCell(baseValue);
@@ -2234,7 +2224,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
                     int offset = vPC[6].u.operand;
 
                     ASSERT(protoObject->get(callFrame, callFrame->codeBlock()->identifier(vPC[3].u.operand)) == protoObject->getDirectOffset(offset));
-                    callFrame[dst] = JSValue(protoObject->getDirectOffset(offset));
+                    callFrame->r(dst) = JSValue(protoObject->getDirectOffset(offset));
 
                     vPC += 8;
                     NEXT_INSTRUCTION();
@@ -2267,7 +2257,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            reverts to op_get_by_id.
         */
         int base = vPC[2].u.operand;
-        JSValue baseValue = callFrame[base].jsValue();
+        JSValue baseValue = callFrame->r(base).jsValue();
 
         if (LIKELY(baseValue.isCell())) {
             JSCell* baseCell = asCell(baseValue);
@@ -2289,7 +2279,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
                         int offset = vPC[7].u.operand;
 
                         ASSERT(baseObject->get(callFrame, callFrame->codeBlock()->identifier(vPC[3].u.operand)) == baseObject->getDirectOffset(offset));
-                        callFrame[dst] = JSValue(baseObject->getDirectOffset(offset));
+                        callFrame->r(dst) = JSValue(baseObject->getDirectOffset(offset));
 
                         vPC += 8;
                         NEXT_INSTRUCTION();
@@ -2315,12 +2305,12 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int property = vPC[3].u.operand;
 
         Identifier& ident = callFrame->codeBlock()->identifier(property);
-        JSValue baseValue = callFrame[base].jsValue();
+        JSValue baseValue = callFrame->r(base).jsValue();
         PropertySlot slot(baseValue);
         JSValue result = baseValue.get(callFrame, ident, slot);
         CHECK_FOR_EXCEPTION();
 
-        callFrame[dst] = result;
+        callFrame->r(dst) = result;
         vPC += 8;
         NEXT_INSTRUCTION();
     }
@@ -2333,10 +2323,10 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         */
 
         int base = vPC[2].u.operand;
-        JSValue baseValue = callFrame[base].jsValue();
+        JSValue baseValue = callFrame->r(base).jsValue();
         if (LIKELY(isJSArray(globalData, baseValue))) {
             int dst = vPC[1].u.operand;
-            callFrame[dst] = JSValue(jsNumber(callFrame, asArray(baseValue)->length()));
+            callFrame->r(dst) = JSValue(jsNumber(callFrame, asArray(baseValue)->length()));
             vPC += 8;
             NEXT_INSTRUCTION();
         }
@@ -2353,10 +2343,10 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         */
 
         int base = vPC[2].u.operand;
-        JSValue baseValue = callFrame[base].jsValue();
+        JSValue baseValue = callFrame->r(base).jsValue();
         if (LIKELY(isJSString(globalData, baseValue))) {
             int dst = vPC[1].u.operand;
-            callFrame[dst] = JSValue(jsNumber(callFrame, asString(baseValue)->value().size()));
+            callFrame->r(dst) = JSValue(jsNumber(callFrame, asString(baseValue)->value().size()));
             vPC += 8;
             NEXT_INSTRUCTION();
         }
@@ -2379,10 +2369,10 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int value = vPC[3].u.operand;
 
         CodeBlock* codeBlock = callFrame->codeBlock();
-        JSValue baseValue = callFrame[base].jsValue();
+        JSValue baseValue = callFrame->r(base).jsValue();
         Identifier& ident = codeBlock->identifier(property);
         PutPropertySlot slot;
-        baseValue.put(callFrame, ident, callFrame[value].jsValue(), slot);
+        baseValue.put(callFrame, ident, callFrame->r(value).jsValue(), slot);
         CHECK_FOR_EXCEPTION();
 
         tryCachePutByID(callFrame, codeBlock, vPC, baseValue, slot);
@@ -2402,7 +2392,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            the register file.
          */
         int base = vPC[1].u.operand;
-        JSValue baseValue = callFrame[base].jsValue();
+        JSValue baseValue = callFrame->r(base).jsValue();
         
         if (LIKELY(baseValue.isCell())) {
             JSCell* baseCell = asCell(baseValue);
@@ -2430,7 +2420,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
                 int value = vPC[3].u.operand;
                 unsigned offset = vPC[7].u.operand;
                 ASSERT(baseObject->offsetForLocation(baseObject->getDirectLocation(callFrame->codeBlock()->identifier(vPC[2].u.operand))) == offset);
-                baseObject->putDirectOffset(offset, callFrame[value].jsValue());
+                baseObject->putDirectOffset(offset, callFrame->r(value).jsValue());
 
                 vPC += 8;
                 NEXT_INSTRUCTION();
@@ -2452,7 +2442,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            the register file.
         */
         int base = vPC[1].u.operand;
-        JSValue baseValue = callFrame[base].jsValue();
+        JSValue baseValue = callFrame->r(base).jsValue();
 
         if (LIKELY(baseValue.isCell())) {
             JSCell* baseCell = asCell(baseValue);
@@ -2465,7 +2455,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
                 unsigned offset = vPC[5].u.operand;
                 
                 ASSERT(baseObject->offsetForLocation(baseObject->getDirectLocation(callFrame->codeBlock()->identifier(vPC[2].u.operand))) == offset);
-                baseObject->putDirectOffset(offset, callFrame[value].jsValue());
+                baseObject->putDirectOffset(offset, callFrame->r(value).jsValue());
 
                 vPC += 8;
                 NEXT_INSTRUCTION();
@@ -2488,10 +2478,10 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int property = vPC[2].u.operand;
         int value = vPC[3].u.operand;
 
-        JSValue baseValue = callFrame[base].jsValue();
+        JSValue baseValue = callFrame->r(base).jsValue();
         Identifier& ident = callFrame->codeBlock()->identifier(property);
         PutPropertySlot slot;
-        baseValue.put(callFrame, ident, callFrame[value].jsValue(), slot);
+        baseValue.put(callFrame, ident, callFrame->r(value).jsValue(), slot);
         CHECK_FOR_EXCEPTION();
 
         vPC += 8;
@@ -2509,11 +2499,11 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int base = (++vPC)->u.operand;
         int property = (++vPC)->u.operand;
 
-        JSObject* baseObj = callFrame[base].jsValue().toObject(callFrame);
+        JSObject* baseObj = callFrame->r(base).jsValue().toObject(callFrame);
         Identifier& ident = callFrame->codeBlock()->identifier(property);
         JSValue result = jsBoolean(baseObj->deleteProperty(callFrame, ident));
         CHECK_FOR_EXCEPTION();
-        callFrame[dst] = result;
+        callFrame->r(dst) = result;
         ++vPC;
         NEXT_INSTRUCTION();
     }
@@ -2529,8 +2519,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int base = (++vPC)->u.operand;
         int property = (++vPC)->u.operand;
         
-        JSValue baseValue = callFrame[base].jsValue();
-        JSValue subscript = callFrame[property].jsValue();
+        JSValue baseValue = callFrame->r(base).jsValue();
+        JSValue subscript = callFrame->r(property).jsValue();
 
         JSValue result;
 
@@ -2554,7 +2544,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         }
 
         CHECK_FOR_EXCEPTION();
-        callFrame[dst] = result;
+        callFrame->r(dst) = result;
         ++vPC;
         NEXT_INSTRUCTION();
     }
@@ -2573,21 +2563,21 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int property = (++vPC)->u.operand;
         int value = (++vPC)->u.operand;
 
-        JSValue baseValue = callFrame[base].jsValue();
-        JSValue subscript = callFrame[property].jsValue();
+        JSValue baseValue = callFrame->r(base).jsValue();
+        JSValue subscript = callFrame->r(property).jsValue();
 
         if (LIKELY(subscript.isUInt32Fast())) {
             uint32_t i = subscript.getUInt32Fast();
             if (isJSArray(globalData, baseValue)) {
                 JSArray* jsArray = asArray(baseValue);
                 if (jsArray->canSetIndex(i))
-                    jsArray->setIndex(i, callFrame[value].jsValue());
+                    jsArray->setIndex(i, callFrame->r(value).jsValue());
                 else
-                    jsArray->JSArray::put(callFrame, i, callFrame[value].jsValue());
+                    jsArray->JSArray::put(callFrame, i, callFrame->r(value).jsValue());
             } else if (isJSByteArray(globalData, baseValue) && asByteArray(baseValue)->canAccessIndex(i)) {
                 JSByteArray* jsByteArray = asByteArray(baseValue);
                 double dValue = 0;
-                JSValue jsValue = callFrame[value].jsValue();
+                JSValue jsValue = callFrame->r(value).jsValue();
                 if (jsValue.isInt32Fast())
                     jsByteArray->setIndex(i, jsValue.getInt32Fast());
                 else if (jsValue.getNumber(dValue))
@@ -2595,12 +2585,12 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
                 else
                     baseValue.put(callFrame, i, jsValue);
             } else
-                baseValue.put(callFrame, i, callFrame[value].jsValue());
+                baseValue.put(callFrame, i, callFrame->r(value).jsValue());
         } else {
             Identifier property(callFrame, subscript.toString(callFrame));
             if (!globalData->exception) { // Don't put to an object if toString threw an exception.
                 PutPropertySlot slot;
-                baseValue.put(callFrame, property, callFrame[value].jsValue(), slot);
+                baseValue.put(callFrame, property, callFrame->r(value).jsValue(), slot);
             }
         }
 
@@ -2620,9 +2610,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int base = (++vPC)->u.operand;
         int property = (++vPC)->u.operand;
 
-        JSObject* baseObj = callFrame[base].jsValue().toObject(callFrame); // may throw
+        JSObject* baseObj = callFrame->r(base).jsValue().toObject(callFrame); // may throw
 
-        JSValue subscript = callFrame[property].jsValue();
+        JSValue subscript = callFrame->r(property).jsValue();
         JSValue result;
         uint32_t i;
         if (subscript.getUInt32(i))
@@ -2635,7 +2625,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         }
 
         CHECK_FOR_EXCEPTION();
-        callFrame[dst] = result;
+        callFrame->r(dst) = result;
         ++vPC;
         NEXT_INSTRUCTION();
     }
@@ -2655,7 +2645,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         unsigned property = (++vPC)->u.operand;
         int value = (++vPC)->u.operand;
 
-        callFrame[base].jsValue().put(callFrame, property, callFrame[value].jsValue());
+        callFrame->r(base).jsValue().put(callFrame, property, callFrame->r(value).jsValue());
 
         ++vPC;
         NEXT_INSTRUCTION();
@@ -2702,7 +2692,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
          */
         int cond = (++vPC)->u.operand;
         int target = (++vPC)->u.operand;
-        if (callFrame[cond].jsValue().toBoolean(callFrame)) {
+        if (callFrame->r(cond).jsValue().toBoolean(callFrame)) {
             vPC += target;
             CHECK_FOR_TIMEOUT();
             NEXT_INSTRUCTION();
@@ -2719,7 +2709,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         */
         int cond = (++vPC)->u.operand;
         int target = (++vPC)->u.operand;
-        if (callFrame[cond].jsValue().toBoolean(callFrame)) {
+        if (callFrame->r(cond).jsValue().toBoolean(callFrame)) {
             vPC += target;
             NEXT_INSTRUCTION();
         }
@@ -2735,7 +2725,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         */
         int cond = (++vPC)->u.operand;
         int target = (++vPC)->u.operand;
-        if (!callFrame[cond].jsValue().toBoolean(callFrame)) {
+        if (!callFrame->r(cond).jsValue().toBoolean(callFrame)) {
             vPC += target;
             NEXT_INSTRUCTION();
         }
@@ -2751,7 +2741,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         */
         int src = (++vPC)->u.operand;
         int target = (++vPC)->u.operand;
-        JSValue srcValue = callFrame[src].jsValue();
+        JSValue srcValue = callFrame->r(src).jsValue();
 
         if (srcValue.isUndefinedOrNull() || (srcValue.isCell() && srcValue.asCell()->structure()->typeInfo().masqueradesAsUndefined())) {
             vPC += target;
@@ -2769,7 +2759,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         */
         int src = (++vPC)->u.operand;
         int target = (++vPC)->u.operand;
-        JSValue srcValue = callFrame[src].jsValue();
+        JSValue srcValue = callFrame->r(src).jsValue();
 
         if (!srcValue.isUndefinedOrNull() || (srcValue.isCell() && !srcValue.asCell()->structure()->typeInfo().masqueradesAsUndefined())) {
             vPC += target;
@@ -2788,7 +2778,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int src = (++vPC)->u.operand;
         JSValue ptr = JSValue((++vPC)->u.jsCell);
         int target = (++vPC)->u.operand;
-        JSValue srcValue = callFrame[src].jsValue();
+        JSValue srcValue = callFrame->r(src).jsValue();
         if (srcValue != ptr) {
             vPC += target;
             NEXT_INSTRUCTION();
@@ -2808,8 +2798,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            Additionally this loop instruction may terminate JS execution is
            the JS timeout is reached.
          */
-        JSValue src1 = callFrame[(++vPC)->u.operand].jsValue();
-        JSValue src2 = callFrame[(++vPC)->u.operand].jsValue();
+        JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue();
+        JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue();
         int target = (++vPC)->u.operand;
         
         bool result = jsLess(callFrame, src1, src2);
@@ -2835,8 +2825,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            Additionally this loop instruction may terminate JS execution is
            the JS timeout is reached.
         */
-        JSValue src1 = callFrame[(++vPC)->u.operand].jsValue();
-        JSValue src2 = callFrame[(++vPC)->u.operand].jsValue();
+        JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue();
+        JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue();
         int target = (++vPC)->u.operand;
         
         bool result = jsLessEq(callFrame, src1, src2);
@@ -2859,8 +2849,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            target from the current instruction, if and only if the 
            result of the comparison is false.
         */
-        JSValue src1 = callFrame[(++vPC)->u.operand].jsValue();
-        JSValue src2 = callFrame[(++vPC)->u.operand].jsValue();
+        JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue();
+        JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue();
         int target = (++vPC)->u.operand;
 
         bool result = jsLess(callFrame, src1, src2);
@@ -2882,8 +2872,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            and then jumps to offset target from the current instruction,
            if and only if theresult of the comparison is false.
         */
-        JSValue src1 = callFrame[(++vPC)->u.operand].jsValue();
-        JSValue src2 = callFrame[(++vPC)->u.operand].jsValue();
+        JSValue src1 = callFrame->r((++vPC)->u.operand).jsValue();
+        JSValue src2 = callFrame->r((++vPC)->u.operand).jsValue();
         int target = (++vPC)->u.operand;
 
         bool result = jsLessEq(callFrame, src1, src2);
@@ -2908,7 +2898,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
          */
         int tableIndex = (++vPC)->u.operand;
         int defaultOffset = (++vPC)->u.operand;
-        JSValue scrutinee = callFrame[(++vPC)->u.operand].jsValue();
+        JSValue scrutinee = callFrame->r((++vPC)->u.operand).jsValue();
         if (scrutinee.isInt32Fast())
             vPC += callFrame->codeBlock()->immediateSwitchJumpTable(tableIndex).offsetForValue(scrutinee.getInt32Fast(), defaultOffset);
         else {
@@ -2932,7 +2922,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
          */
         int tableIndex = (++vPC)->u.operand;
         int defaultOffset = (++vPC)->u.operand;
-        JSValue scrutinee = callFrame[(++vPC)->u.operand].jsValue();
+        JSValue scrutinee = callFrame->r((++vPC)->u.operand).jsValue();
         if (!scrutinee.isString())
             vPC += defaultOffset;
         else {
@@ -2955,7 +2945,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
          */
         int tableIndex = (++vPC)->u.operand;
         int defaultOffset = (++vPC)->u.operand;
-        JSValue scrutinee = callFrame[(++vPC)->u.operand].jsValue();
+        JSValue scrutinee = callFrame->r((++vPC)->u.operand).jsValue();
         if (!scrutinee.isString())
             vPC += defaultOffset;
         else 
@@ -2973,7 +2963,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int dst = (++vPC)->u.operand;
         int func = (++vPC)->u.operand;
 
-        callFrame[dst] = callFrame->codeBlock()->function(func)->makeFunction(callFrame, callFrame->scopeChain());
+        callFrame->r(dst) = callFrame->codeBlock()->function(func)->makeFunction(callFrame, callFrame->scopeChain());
 
         ++vPC;
         NEXT_INSTRUCTION();
@@ -2989,7 +2979,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int dst = (++vPC)->u.operand;
         int func = (++vPC)->u.operand;
 
-        callFrame[dst] = callFrame->codeBlock()->functionExpression(func)->makeFunction(callFrame, callFrame->scopeChain());
+        callFrame->r(dst) = callFrame->codeBlock()->functionExpression(func)->makeFunction(callFrame, callFrame->scopeChain());
 
         ++vPC;
         NEXT_INSTRUCTION();
@@ -3011,7 +3001,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int argCount = vPC[3].u.operand;
         int registerOffset = vPC[4].u.operand;
 
-        JSValue funcVal = callFrame[func].jsValue();
+        JSValue funcVal = callFrame->r(func).jsValue();
 
         Register* newCallFrame = callFrame->registers() + registerOffset;
         Register* argv = newCallFrame - RegisterFile::CallFrameHeaderSize - argCount;
@@ -3022,7 +3012,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
             JSValue result = callEval(callFrame, registerFile, argv, argCount, registerOffset, exceptionValue);
             if (exceptionValue)
                 goto vm_throw;
-            callFrame[dst] = result;
+            callFrame->r(dst) = result;
 
             vPC += 5;
             NEXT_INSTRUCTION();
@@ -3048,7 +3038,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int argCount = vPC[3].u.operand;
         int registerOffset = vPC[4].u.operand;
 
-        JSValue v = callFrame[func].jsValue();
+        JSValue v = callFrame->r(func).jsValue();
 
         CallData callData;
         CallType callType = v.getCallData(callData);
@@ -3097,7 +3087,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
             }
             CHECK_FOR_EXCEPTION();
 
-            callFrame[dst] = JSValue(returnValue);
+            callFrame->r(dst) = JSValue(returnValue);
 
             vPC += 5;
             NEXT_INSTRUCTION();
@@ -3112,19 +3102,19 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int argCountDst = (++vPC)->u.operand;
         int argsOffset = (++vPC)->u.operand;
         
-        JSValue arguments = callFrame[argsOffset].jsValue();
-        uint32_t argCount = 0;
+        JSValue arguments = callFrame->r(argsOffset).jsValue();
+        int32_t argCount = 0;
         if (!arguments) {
-            argCount = (uint32_t)(callFrame[RegisterFile::ArgumentCount].u.i) - 1;
+            argCount = (uint32_t)(callFrame->argumentCount()) - 1;
             int32_t sizeDelta = argsOffset + argCount + RegisterFile::CallFrameHeaderSize;
             Register* newEnd = callFrame->registers() + sizeDelta;
             if (!registerFile->grow(newEnd) || ((newEnd - callFrame->registers()) != sizeDelta)) {
                 exceptionValue = createStackOverflowError(callFrame);
                 goto vm_throw;
             }
-            uint32_t expectedParams = asFunction(callFrame[RegisterFile::Callee].jsValue())->body()->parameterCount();
-            uint32_t inplaceArgs = min(argCount, expectedParams);
-            uint32_t i = 0;
+            int32_t expectedParams = callFrame->callee()->body()->parameterCount();
+            int32_t inplaceArgs = min(argCount, expectedParams);
+            int32_t i = 0;
             Register* argStore = callFrame->registers() + argsOffset;
 
             // First step is to copy the "expected" parameters from their normal location relative to the callframe
@@ -3168,7 +3158,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
                     goto vm_throw;
                 }
                 Register* argsBuffer = callFrame->registers() + argsOffset;
-                for (unsigned i = 0; i < argCount; ++i) {
+                for (int32_t i = 0; i < argCount; ++i) {
                     argsBuffer[i] = asObject(arguments)->get(callFrame, i);
                     CHECK_FOR_EXCEPTION();
                 }
@@ -3180,7 +3170,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
             }
         }
         CHECK_FOR_EXCEPTION();
-        callFrame[argCountDst] = argCount + 1;
+        callFrame->r(argCountDst) = argCount + 1;
         ++vPC;
         NEXT_INSTRUCTION();
     }
@@ -3201,8 +3191,8 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int argCountReg = vPC[3].u.operand;
         int registerOffset = vPC[4].u.operand;
         
-        JSValue v = callFrame[func].jsValue();
-        int argCount = callFrame[argCountReg].i();
+        JSValue v = callFrame->r(func).jsValue();
+        int argCount = callFrame->r(argCountReg).i();
         registerOffset += argCount;
         CallData callData;
         CallType callType = v.getCallData(callData);
@@ -3251,7 +3241,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
             }
             CHECK_FOR_EXCEPTION();
             
-            callFrame[dst] = JSValue(returnValue);
+            callFrame->r(dst) = JSValue(returnValue);
             
             vPC += 5;
             NEXT_INSTRUCTION();
@@ -3278,7 +3268,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int src = (++vPC)->u.operand;
         ASSERT(callFrame->codeBlock()->needsFullScopeChain());
 
-        asActivation(callFrame[src].jsValue())->copyRegisters(callFrame->optionalCalleeArguments());
+        asActivation(callFrame->r(src).jsValue())->copyRegisters(callFrame->optionalCalleeArguments());
 
         ++vPC;
         NEXT_INSTRUCTION();
@@ -3318,7 +3308,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         if (callFrame->codeBlock()->needsFullScopeChain())
             callFrame->scopeChain()->deref();
 
-        JSValue returnValue = callFrame[result].jsValue();
+        JSValue returnValue = callFrame->r(result).jsValue();
 
         vPC = callFrame->returnPC();
         int dst = callFrame->returnValueRegister();
@@ -3327,7 +3317,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         if (callFrame->hasHostCallFrameFlag())
             return returnValue;
 
-        callFrame[dst] = JSValue(returnValue);
+        callFrame->r(dst) = JSValue(returnValue);
 
         NEXT_INSTRUCTION();
     }
@@ -3346,10 +3336,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         CodeBlock* codeBlock = callFrame->codeBlock();
         
         for (size_t count = codeBlock->m_numVars; i < count; ++i)
-            callFrame[i] = jsUndefined();
-
-        for (size_t count = codeBlock->numberOfConstantRegisters(), j = 0; j < count; ++i, ++j)
-            callFrame[i] = codeBlock->constantRegister(j);
+            callFrame->r(i) = jsUndefined();
 
         ++vPC;
         NEXT_INSTRUCTION();
@@ -3371,14 +3358,11 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         CodeBlock* codeBlock = callFrame->codeBlock();
 
         for (size_t count = codeBlock->m_numVars; i < count; ++i)
-            callFrame[i] = jsUndefined();
-
-        for (size_t count = codeBlock->numberOfConstantRegisters(), j = 0; j < count; ++i, ++j)
-            callFrame[i] = codeBlock->constantRegister(j);
+            callFrame->r(i) = jsUndefined();
 
         int dst = (++vPC)->u.operand;
         JSActivation* activation = new (globalData) JSActivation(callFrame, static_cast<FunctionBodyNode*>(codeBlock->ownerNode()));
-        callFrame[dst] = activation;
+        callFrame->r(dst) = activation;
         callFrame->setScopeChain(callFrame->scopeChain()->copy()->push(activation));
 
         ++vPC;
@@ -3397,9 +3381,9 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         */
 
         int thisRegister = (++vPC)->u.operand;
-        JSValue thisVal = callFrame[thisRegister].jsValue();
+        JSValue thisVal = callFrame->r(thisRegister).jsValue();
         if (thisVal.needsThisConversion())
-            callFrame[thisRegister] = JSValue(thisVal.toThisObject(callFrame));
+            callFrame->r(thisRegister) = JSValue(thisVal.toThisObject(callFrame));
 
         ++vPC;
         NEXT_INSTRUCTION();
@@ -3414,7 +3398,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            This opcode should only be used at the beginning of a code
            block.
          */
-        callFrame[RegisterFile::ArgumentsRegister] = JSValue();
+        callFrame->r(RegisterFile::ArgumentsRegister) = JSValue();
         ++vPC;
         NEXT_INSTRUCTION();
     }
@@ -3429,7 +3413,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
          if (!callFrame->optionalCalleeArguments()) {
              Arguments* arguments = new (globalData) Arguments(callFrame);
              callFrame->setCalleeArguments(arguments);
-             callFrame[RegisterFile::ArgumentsRegister] = arguments;
+             callFrame->r(RegisterFile::ArgumentsRegister) = arguments;
          }
         ++vPC;
         NEXT_INSTRUCTION();
@@ -3456,7 +3440,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int proto = vPC[5].u.operand;
         int thisRegister = vPC[6].u.operand;
 
-        JSValue v = callFrame[func].jsValue();
+        JSValue v = callFrame->r(func).jsValue();
 
         ConstructData constructData;
         ConstructType constructType = v.getConstructData(constructData);
@@ -3467,7 +3451,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
             CodeBlock* newCodeBlock = &functionBodyNode->bytecode(callDataScopeChain);
 
             Structure* structure;
-            JSValue prototype = callFrame[proto].jsValue();
+            JSValue prototype = callFrame->r(proto).jsValue();
             if (prototype.isObject())
                 structure = asObject(prototype)->inheritorID();
             else
@@ -3478,7 +3462,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
 #else
             JSObject* newObject = new (globalData) JSObject(structure);
 #endif
-            callFrame[thisRegister] = JSValue(newObject); // "this" value
+            callFrame->r(thisRegister) = JSValue(newObject); // "this" value
 
             CallFrame* previousCallFrame = callFrame;
 
@@ -3527,7 +3511,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
                 returnValue = constructData.native.function(newCallFrame, asObject(v), args);
             }
             CHECK_FOR_EXCEPTION();
-            callFrame[dst] = JSValue(returnValue);
+            callFrame->r(dst) = JSValue(returnValue);
 
             vPC += 7;
             NEXT_INSTRUCTION();
@@ -3546,13 +3530,13 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         */
 
         int dst = vPC[1].u.operand;
-        if (LIKELY(callFrame[dst].jsValue().isObject())) {
+        if (LIKELY(callFrame->r(dst).jsValue().isObject())) {
             vPC += 3;
             NEXT_INSTRUCTION();
         }
 
         int override = vPC[2].u.operand;
-        callFrame[dst] = callFrame[override];
+        callFrame->r(dst) = callFrame->r(override);
 
         vPC += 3;
         NEXT_INSTRUCTION();
@@ -3562,7 +3546,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int src = (++vPC)->u.operand;
         int count = (++vPC)->u.operand;
 
-        callFrame[dst] = concatenateStrings(callFrame, &callFrame->registers()[src], count);
+        callFrame->r(dst) = concatenateStrings(callFrame, &callFrame->registers()[src], count);
         ++vPC;
 
         NEXT_INSTRUCTION();
@@ -3571,7 +3555,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int dst = (++vPC)->u.operand;
         int src = (++vPC)->u.operand;
 
-        callFrame[dst] = callFrame[src].jsValue().toPrimitive(callFrame);
+        callFrame->r(dst) = callFrame->r(src).jsValue().toPrimitive(callFrame);
         ++vPC;
 
         NEXT_INSTRUCTION();
@@ -3584,11 +3568,11 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
            are replaced by the result of toObject conversion of the scope.
         */
         int scope = (++vPC)->u.operand;
-        JSValue v = callFrame[scope].jsValue();
+        JSValue v = callFrame->r(scope).jsValue();
         JSObject* o = v.toObject(callFrame);
         CHECK_FOR_EXCEPTION();
 
-        callFrame[scope] = JSValue(o);
+        callFrame->r(scope) = JSValue(o);
         callFrame->setScopeChain(callFrame->scopeChain()->push(o));
 
         ++vPC;
@@ -3615,7 +3599,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int dst = (++vPC)->u.operand;
         int base = (++vPC)->u.operand;
 
-        callFrame[dst] = JSPropertyNameIterator::create(callFrame, callFrame[base].jsValue());
+        callFrame->r(dst) = JSPropertyNameIterator::create(callFrame, callFrame->r(base).jsValue());
         ++vPC;
         NEXT_INSTRUCTION();
     }
@@ -3632,10 +3616,10 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int iter = (++vPC)->u.operand;
         int target = (++vPC)->u.operand;
 
-        JSPropertyNameIterator* it = callFrame[iter].propertyNameIterator();
+        JSPropertyNameIterator* it = callFrame->r(iter).propertyNameIterator();
         if (JSValue temp = it->next(callFrame)) {
             CHECK_FOR_TIMEOUT();
-            callFrame[dst] = JSValue(temp);
+            callFrame->r(dst) = JSValue(temp);
             vPC += target;
             NEXT_INSTRUCTION();
         }
@@ -3691,7 +3675,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         ASSERT(exceptionValue);
         ASSERT(!globalData->exception);
         int ex = (++vPC)->u.operand;
-        callFrame[ex] = exceptionValue;
+        callFrame->r(ex) = exceptionValue;
         exceptionValue = JSValue();
 
         ++vPC;
@@ -3709,7 +3693,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         */
 
         int ex = (++vPC)->u.operand;
-        exceptionValue = callFrame[ex].jsValue();
+        exceptionValue = callFrame->r(ex).jsValue();
 
         handler = throwException(callFrame, exceptionValue, vPC - callFrame->codeBlock()->instructions().begin(), true);
         if (!handler) {
@@ -3720,18 +3704,6 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         vPC = callFrame->codeBlock()->instructions().begin() + handler->target;
         NEXT_INSTRUCTION();
     }
-    DEFINE_OPCODE(op_unexpected_load) {
-        /* unexpected_load load dst(r) src(k)
-
-           Copies constant src to register dst.
-        */
-        int dst = (++vPC)->u.operand;
-        int src = (++vPC)->u.operand;
-        callFrame[dst] = JSValue(callFrame->codeBlock()->unexpectedConstant(src));
-
-        ++vPC;
-        NEXT_INSTRUCTION();
-    }
     DEFINE_OPCODE(op_new_error) {
         /* new_error dst(r) type(n) message(k)
 
@@ -3745,7 +3717,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int message = (++vPC)->u.operand;
 
         CodeBlock* codeBlock = callFrame->codeBlock();
-        callFrame[dst] = JSValue(Error::create(callFrame, (ErrorType)type, codeBlock->unexpectedConstant(message).toString(callFrame), codeBlock->lineNumberForBytecodeOffset(callFrame, vPC - codeBlock->instructions().begin()), codeBlock->ownerNode()->sourceID(), codeBlock->ownerNode()->sourceURL()));
+        callFrame->r(dst) = JSValue(Error::create(callFrame, (ErrorType)type, callFrame->r(message).jsValue().toString(callFrame), codeBlock->lineNumberForBytecodeOffset(callFrame, vPC - codeBlock->instructions().begin()), codeBlock->ownerNode()->sourceID(), codeBlock->ownerNode()->sourceURL()));
 
         ++vPC;
         NEXT_INSTRUCTION();
@@ -3763,7 +3735,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
             scopeChain->deref();
         }
         int result = (++vPC)->u.operand;
-        return callFrame[result].jsValue();
+        return callFrame->r(result).jsValue();
     }
     DEFINE_OPCODE(op_put_getter) {
         /* put_getter base(r) property(id) function(r)
@@ -3780,11 +3752,11 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int property = (++vPC)->u.operand;
         int function = (++vPC)->u.operand;
 
-        ASSERT(callFrame[base].jsValue().isObject());
-        JSObject* baseObj = asObject(callFrame[base].jsValue());
+        ASSERT(callFrame->r(base).jsValue().isObject());
+        JSObject* baseObj = asObject(callFrame->r(base).jsValue());
         Identifier& ident = callFrame->codeBlock()->identifier(property);
-        ASSERT(callFrame[function].jsValue().isObject());
-        baseObj->defineGetter(callFrame, ident, asObject(callFrame[function].jsValue()));
+        ASSERT(callFrame->r(function).jsValue().isObject());
+        baseObj->defineGetter(callFrame, ident, asObject(callFrame->r(function).jsValue()));
 
         ++vPC;
         NEXT_INSTRUCTION();
@@ -3804,11 +3776,11 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int property = (++vPC)->u.operand;
         int function = (++vPC)->u.operand;
 
-        ASSERT(callFrame[base].jsValue().isObject());
-        JSObject* baseObj = asObject(callFrame[base].jsValue());
+        ASSERT(callFrame->r(base).jsValue().isObject());
+        JSObject* baseObj = asObject(callFrame->r(base).jsValue());
         Identifier& ident = callFrame->codeBlock()->identifier(property);
-        ASSERT(callFrame[function].jsValue().isObject());
-        baseObj->defineSetter(callFrame, ident, asObject(callFrame[function].jsValue()));
+        ASSERT(callFrame->r(function).jsValue().isObject());
+        baseObj->defineSetter(callFrame, ident, asObject(callFrame->r(function).jsValue()));
 
         ++vPC;
         NEXT_INSTRUCTION();
@@ -3825,7 +3797,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         */
         int retAddrDst = (++vPC)->u.operand;
         int target = (++vPC)->u.operand;
-        callFrame[retAddrDst] = vPC + 1;
+        callFrame->r(retAddrDst) = vPC + 1;
 
         vPC += target;
         NEXT_INSTRUCTION();
@@ -3838,7 +3810,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
          register, not as an immediate.
         */
         int retAddrSrc = (++vPC)->u.operand;
-        vPC = callFrame[retAddrSrc].vPC();
+        vPC = callFrame->r(retAddrSrc).vPC();
         NEXT_INSTRUCTION();
     }
     DEFINE_OPCODE(op_debug) {
@@ -3865,7 +3837,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int function = vPC[1].u.operand;
 
         if (*enabledProfilerReference)
-            (*enabledProfilerReference)->willExecute(callFrame, callFrame[function].jsValue());
+            (*enabledProfilerReference)->willExecute(callFrame, callFrame->r(function).jsValue());
 
         vPC += 2;
         NEXT_INSTRUCTION();
@@ -3879,7 +3851,7 @@ JSValue Interpreter::privateExecute(ExecutionFlag flag, RegisterFile* registerFi
         int function = vPC[1].u.operand;
 
         if (*enabledProfilerReference)
-            (*enabledProfilerReference)->didExecute(callFrame, callFrame[function].jsValue());
+            (*enabledProfilerReference)->didExecute(callFrame, callFrame->r(function).jsValue());
 
         vPC += 2;
         NEXT_INSTRUCTION();
@@ -3922,12 +3894,12 @@ JSValue Interpreter::retrieveArguments(CallFrame* callFrame, JSFunction* functio
         ASSERT(codeBlock->codeType() == FunctionCode);
         SymbolTable& symbolTable = codeBlock->symbolTable();
         int argumentsIndex = symbolTable.get(functionCallFrame->propertyNames().arguments.ustring().rep()).getIndex();
-        if (!functionCallFrame[argumentsIndex].arguments()) {
+        if (!functionCallFrame->r(argumentsIndex).arguments()) {
             Arguments* arguments = new (callFrame) Arguments(functionCallFrame);
             functionCallFrame->setCalleeArguments(arguments);
-            functionCallFrame[RegisterFile::ArgumentsRegister] = arguments;
+            functionCallFrame->r(RegisterFile::ArgumentsRegister) = arguments;
         }
-        return functionCallFrame[argumentsIndex].jsValue();
+        return functionCallFrame->r(argumentsIndex).jsValue();
     }
 
     Arguments* arguments = functionCallFrame->optionalCalleeArguments();
author	Kent Hansen <khansen@trolltech.com>	2009-07-14 15:49:56 (GMT)
committer	Kent Hansen <khansen@trolltech.com>	2009-07-14 15:49:56 (GMT)
commit	8fd9cbc859346d758bb730e85c679635f00940df (patch)
tree	bc3b10d79a458933b1f481bd7e88d1a633e7bc1e /src/3rdparty/webkit/JavaScriptCore/interpreter/Interpreter.cpp
parent	65b788014759fa06d65d1677b3dbd5cc4b596f6b (diff)
parent	06af27069497a693f5b1a867b29d96297f68eb75 (diff)
download	Qt-8fd9cbc859346d758bb730e85c679635f00940df.zip Qt-8fd9cbc859346d758bb730e85c679635f00940df.tar.gz Qt-8fd9cbc859346d758bb730e85c679635f00940df.tar.bz2