Imported WebKit commit e89504fa9195b2063b2530961d4b73dd08de3242 (http://svn.webkit.org/repository/webkit/trunk@135485)

Change-Id: I03774e5ac79721c13ffa30d152537a74d0b12e66
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>

1 files changed, 0 insertions, 1001 deletions

diff --git a/Source/JavaScriptCore/jit/JITInlineMethods.h b/Source/JavaScriptCore/jit/JITInlineMethods.h
deleted file mode 100644
index 410bdf710..000000000
--- a/Source/JavaScriptCore/jit/JITInlineMethods.h
+++ /dev/null
@@ -1,1001 +0,0 @@
-/*
- * Copyright (C) 2008, 2012 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
- */
-
-#ifndef JITInlineMethods_h
-#define JITInlineMethods_h
-
-
-#if ENABLE(JIT)
-
-namespace JSC {
-
-ALWAYS_INLINE bool JIT::isOperandConstantImmediateDouble(unsigned src)
-{
-    return m_codeBlock->isConstantRegisterIndex(src) && getConstantOperand(src).isDouble();
-}
-
-ALWAYS_INLINE JSValue JIT::getConstantOperand(unsigned src)
-{
-    ASSERT(m_codeBlock->isConstantRegisterIndex(src));
-    return m_codeBlock->getConstant(src);
-}
-
-ALWAYS_INLINE void JIT::emitPutCellToCallFrameHeader(RegisterID from, JSStack::CallFrameHeaderEntry entry)
-{
-#if USE(JSVALUE32_64)
-    store32(TrustedImm32(JSValue::CellTag), tagFor(entry, callFrameRegister));
-    store32(from, payloadFor(entry, callFrameRegister));
-#else
-    store64(from, addressFor(entry, callFrameRegister));
-#endif
-}
-
-ALWAYS_INLINE void JIT::emitPutIntToCallFrameHeader(RegisterID from, JSStack::CallFrameHeaderEntry entry)
-{
-#if USE(JSVALUE32_64)
-    store32(TrustedImm32(Int32Tag), intTagFor(entry, callFrameRegister));
-    store32(from, intPayloadFor(entry, callFrameRegister));
-#else
-    store64(from, addressFor(entry, callFrameRegister));
-#endif
-}
-
-ALWAYS_INLINE void JIT::emitPutToCallFrameHeader(RegisterID from, JSStack::CallFrameHeaderEntry entry)
-{
-#if USE(JSVALUE32_64)
-    storePtr(from, payloadFor(entry, callFrameRegister));
-#else
-    store64(from, addressFor(entry, callFrameRegister));
-#endif
-}
-
-ALWAYS_INLINE void JIT::emitPutImmediateToCallFrameHeader(void* value, JSStack::CallFrameHeaderEntry entry)
-{
-    storePtr(TrustedImmPtr(value), Address(callFrameRegister, entry * sizeof(Register)));
-}
-
-ALWAYS_INLINE void JIT::emitGetFromCallFrameHeaderPtr(JSStack::CallFrameHeaderEntry entry, RegisterID to, RegisterID from)
-{
-    loadPtr(Address(from, entry * sizeof(Register)), to);
-#if USE(JSVALUE64)
-    killLastResultRegister();
-#endif
-}
-
-ALWAYS_INLINE void JIT::emitGetFromCallFrameHeader32(JSStack::CallFrameHeaderEntry entry, RegisterID to, RegisterID from)
-{
-    load32(Address(from, entry * sizeof(Register)), to);
-#if USE(JSVALUE64)
-    killLastResultRegister();
-#endif
-}
-
-#if USE(JSVALUE64)
-ALWAYS_INLINE void JIT::emitGetFromCallFrameHeader64(JSStack::CallFrameHeaderEntry entry, RegisterID to, RegisterID from)
-{
-    load64(Address(from, entry * sizeof(Register)), to);
-    killLastResultRegister();
-}
-#endif
-
-ALWAYS_INLINE void JIT::emitLoadCharacterString(RegisterID src, RegisterID dst, JumpList& failures)
-{
-    failures.append(branchPtr(NotEqual, Address(src, JSCell::structureOffset()), TrustedImmPtr(m_globalData->stringStructure.get())));
-    failures.append(branch32(NotEqual, MacroAssembler::Address(src, ThunkHelpers::jsStringLengthOffset()), TrustedImm32(1)));
-    loadPtr(MacroAssembler::Address(src, ThunkHelpers::jsStringValueOffset()), dst);
-    failures.append(branchTest32(Zero, dst));
-    loadPtr(MacroAssembler::Address(dst, ThunkHelpers::stringImplFlagsOffset()), regT1);
-    loadPtr(MacroAssembler::Address(dst, ThunkHelpers::stringImplDataOffset()), dst);
-
-    JumpList is16Bit;
-    JumpList cont8Bit;
-    is16Bit.append(branchTest32(Zero, regT1, TrustedImm32(ThunkHelpers::stringImpl8BitFlag())));
-    load8(MacroAssembler::Address(dst, 0), dst);
-    cont8Bit.append(jump());
-    is16Bit.link(this);
-    load16(MacroAssembler::Address(dst, 0), dst);
-    cont8Bit.link(this);
-}
-
-ALWAYS_INLINE JIT::Call JIT::emitNakedCall(CodePtr function)
-{
-    ASSERT(m_bytecodeOffset != (unsigned)-1); // This method should only be called during hot/cold path generation, so that m_bytecodeOffset is set.
-
-    Call nakedCall = nearCall();
-    m_calls.append(CallRecord(nakedCall, m_bytecodeOffset, function.executableAddress()));
-    return nakedCall;
-}
-
-ALWAYS_INLINE bool JIT::atJumpTarget()
-{
-    while (m_jumpTargetsPosition < m_codeBlock->numberOfJumpTargets() && m_codeBlock->jumpTarget(m_jumpTargetsPosition) <= m_bytecodeOffset) {
-        if (m_codeBlock->jumpTarget(m_jumpTargetsPosition) == m_bytecodeOffset)
-            return true;
-        ++m_jumpTargetsPosition;
-    }
-    return false;
-}
-
-#if defined(ASSEMBLER_HAS_CONSTANT_POOL) && ASSEMBLER_HAS_CONSTANT_POOL
-
-ALWAYS_INLINE void JIT::beginUninterruptedSequence(int insnSpace, int constSpace)
-{
-#if CPU(ARM_TRADITIONAL)
-#ifndef NDEBUG
-    // Ensure the label after the sequence can also fit
-    insnSpace += sizeof(ARMWord);
-    constSpace += sizeof(uint64_t);
-#endif
-
-    ensureSpace(insnSpace, constSpace);
-
-#elif CPU(SH4)
-#ifndef NDEBUG
-    insnSpace += sizeof(SH4Word);
-    constSpace += sizeof(uint64_t);
-#endif
-
-    m_assembler.ensureSpace(insnSpace + m_assembler.maxInstructionSize + 2, constSpace + 8);
-#endif
-
-#if defined(ASSEMBLER_HAS_CONSTANT_POOL) && ASSEMBLER_HAS_CONSTANT_POOL
-#ifndef NDEBUG
-    m_uninterruptedInstructionSequenceBegin = label();
-    m_uninterruptedConstantSequenceBegin = sizeOfConstantPool();
-#endif
-#endif
-}
-
-ALWAYS_INLINE void JIT::endUninterruptedSequence(int insnSpace, int constSpace, int dst)
-{
-    UNUSED_PARAM(dst);
-#if defined(ASSEMBLER_HAS_CONSTANT_POOL) && ASSEMBLER_HAS_CONSTANT_POOL
-    /* There are several cases when the uninterrupted sequence is larger than
-     * maximum required offset for pathing the same sequence. Eg.: if in a
-     * uninterrupted sequence the last macroassembler's instruction is a stub
-     * call, it emits store instruction(s) which should not be included in the
-     * calculation of length of uninterrupted sequence. So, the insnSpace and
-     * constSpace should be upper limit instead of hard limit.
-     */
-#if CPU(SH4)
-    if ((dst > 15) || (dst < -16)) {
-        insnSpace += 8;
-        constSpace += 2;
-    }
-
-    if (((dst >= -16) && (dst < 0)) || ((dst > 7) && (dst <= 15)))
-        insnSpace += 8;
-#endif
-    ASSERT(differenceBetween(m_uninterruptedInstructionSequenceBegin, label()) <= insnSpace);
-    ASSERT(sizeOfConstantPool() - m_uninterruptedConstantSequenceBegin <= constSpace);
-#endif
-}
-
-#endif
-
-#if CPU(ARM)
-
-ALWAYS_INLINE void JIT::preserveReturnAddressAfterCall(RegisterID reg)
-{
-    move(linkRegister, reg);
-}
-
-ALWAYS_INLINE void JIT::restoreReturnAddressBeforeReturn(RegisterID reg)
-{
-    move(reg, linkRegister);
-}
-
-ALWAYS_INLINE void JIT::restoreReturnAddressBeforeReturn(Address address)
-{
-    loadPtr(address, linkRegister);
-}
-#elif CPU(SH4)
-
-ALWAYS_INLINE void JIT::preserveReturnAddressAfterCall(RegisterID reg)
-{
-    m_assembler.stspr(reg);
-}
-
-ALWAYS_INLINE void JIT::restoreReturnAddressBeforeReturn(RegisterID reg)
-{
-    m_assembler.ldspr(reg);
-}
-
-ALWAYS_INLINE void JIT::restoreReturnAddressBeforeReturn(Address address)
-{
-    loadPtrLinkReg(address);
-}
-
-#elif CPU(MIPS)
-
-ALWAYS_INLINE void JIT::preserveReturnAddressAfterCall(RegisterID reg)
-{
-    move(returnAddressRegister, reg);
-}
-
-ALWAYS_INLINE void JIT::restoreReturnAddressBeforeReturn(RegisterID reg)
-{
-    move(reg, returnAddressRegister);
-}
-
-ALWAYS_INLINE void JIT::restoreReturnAddressBeforeReturn(Address address)
-{
-    loadPtr(address, returnAddressRegister);
-}
-
-#else // CPU(X86) || CPU(X86_64)
-
-ALWAYS_INLINE void JIT::preserveReturnAddressAfterCall(RegisterID reg)
-{
-    pop(reg);
-}
-
-ALWAYS_INLINE void JIT::restoreReturnAddressBeforeReturn(RegisterID reg)
-{
-    push(reg);
-}
-
-ALWAYS_INLINE void JIT::restoreReturnAddressBeforeReturn(Address address)
-{
-    push(address);
-}
-
-#endif
-
-ALWAYS_INLINE void JIT::restoreArgumentReference()
-{
-    move(stackPointerRegister, firstArgumentRegister);
-    poke(callFrameRegister, OBJECT_OFFSETOF(struct JITStackFrame, callFrame) / sizeof(void*));
-}
-
-ALWAYS_INLINE void JIT::updateTopCallFrame()
-{
-    ASSERT(static_cast<int>(m_bytecodeOffset) >= 0);
-    if (m_bytecodeOffset) {
-#if USE(JSVALUE32_64)
-        storePtr(TrustedImmPtr(m_codeBlock->instructions().begin() + m_bytecodeOffset + 1), intTagFor(JSStack::ArgumentCount));
-#else
-        store32(TrustedImm32(m_bytecodeOffset + 1), intTagFor(JSStack::ArgumentCount));
-#endif
-    }
-    storePtr(callFrameRegister, &m_globalData->topCallFrame);
-}
-
-ALWAYS_INLINE void JIT::restoreArgumentReferenceForTrampoline()
-{
-#if CPU(X86)
-    // Within a trampoline the return address will be on the stack at this point.
-    addPtr(TrustedImm32(sizeof(void*)), stackPointerRegister, firstArgumentRegister);
-#elif CPU(ARM)
-    move(stackPointerRegister, firstArgumentRegister);
-#elif CPU(SH4)
-    move(stackPointerRegister, firstArgumentRegister);
-#endif
-    // In the trampoline on x86-64, the first argument register is not overwritten.
-}
-
-ALWAYS_INLINE JIT::Jump JIT::checkStructure(RegisterID reg, Structure* structure)
-{
-    return branchPtr(NotEqual, Address(reg, JSCell::structureOffset()), TrustedImmPtr(structure));
-}
-
-ALWAYS_INLINE void JIT::linkSlowCaseIfNotJSCell(Vector<SlowCaseEntry>::iterator& iter, int vReg)
-{
-    if (!m_codeBlock->isKnownNotImmediate(vReg))
-        linkSlowCase(iter);
-}
-
-ALWAYS_INLINE void JIT::addSlowCase(Jump jump)
-{
-    ASSERT(m_bytecodeOffset != (unsigned)-1); // This method should only be called during hot/cold path generation, so that m_bytecodeOffset is set.
-
-    m_slowCases.append(SlowCaseEntry(jump, m_bytecodeOffset));
-}
-
-ALWAYS_INLINE void JIT::addSlowCase(JumpList jumpList)
-{
-    ASSERT(m_bytecodeOffset != (unsigned)-1); // This method should only be called during hot/cold path generation, so that m_bytecodeOffset is set.
-
-    const JumpList::JumpVector& jumpVector = jumpList.jumps();
-    size_t size = jumpVector.size();
-    for (size_t i = 0; i < size; ++i)
-        m_slowCases.append(SlowCaseEntry(jumpVector[i], m_bytecodeOffset));
-}
-
-ALWAYS_INLINE void JIT::addSlowCase()
-{
-    ASSERT(m_bytecodeOffset != (unsigned)-1); // This method should only be called during hot/cold path generation, so that m_bytecodeOffset is set.
-    
-    Jump emptyJump; // Doing it this way to make Windows happy.
-    m_slowCases.append(SlowCaseEntry(emptyJump, m_bytecodeOffset));
-}
-
-ALWAYS_INLINE void JIT::addJump(Jump jump, int relativeOffset)
-{
-    ASSERT(m_bytecodeOffset != (unsigned)-1); // This method should only be called during hot/cold path generation, so that m_bytecodeOffset is set.
-
-    m_jmpTable.append(JumpTable(jump, m_bytecodeOffset + relativeOffset));
-}
-
-ALWAYS_INLINE void JIT::emitJumpSlowToHot(Jump jump, int relativeOffset)
-{
-    ASSERT(m_bytecodeOffset != (unsigned)-1); // This method should only be called during hot/cold path generation, so that m_bytecodeOffset is set.
-
-    jump.linkTo(m_labels[m_bytecodeOffset + relativeOffset], this);
-}
-
-ALWAYS_INLINE JIT::Jump JIT::emitJumpIfNotObject(RegisterID structureReg)
-{
-    return branch8(Below, Address(structureReg, Structure::typeInfoTypeOffset()), TrustedImm32(ObjectType));
-}
-
-ALWAYS_INLINE JIT::Jump JIT::emitJumpIfNotType(RegisterID baseReg, RegisterID scratchReg, JSType type)
-{
-    loadPtr(Address(baseReg, JSCell::structureOffset()), scratchReg);
-    return branch8(NotEqual, Address(scratchReg, Structure::typeInfoTypeOffset()), TrustedImm32(type));
-}
-
-#if ENABLE(SAMPLING_FLAGS)
-ALWAYS_INLINE void JIT::setSamplingFlag(int32_t flag)
-{
-    ASSERT(flag >= 1);
-    ASSERT(flag <= 32);
-    or32(TrustedImm32(1u << (flag - 1)), AbsoluteAddress(SamplingFlags::addressOfFlags()));
-}
-
-ALWAYS_INLINE void JIT::clearSamplingFlag(int32_t flag)
-{
-    ASSERT(flag >= 1);
-    ASSERT(flag <= 32);
-    and32(TrustedImm32(~(1u << (flag - 1))), AbsoluteAddress(SamplingFlags::addressOfFlags()));
-}
-#endif
-
-#if ENABLE(SAMPLING_COUNTERS)
-ALWAYS_INLINE void JIT::emitCount(AbstractSamplingCounter& counter, int32_t count)
-{
-    add64(TrustedImm32(count), AbsoluteAddress(counter.addressOfCounter()));
-}
-#endif
-
-#if ENABLE(OPCODE_SAMPLING)
-#if CPU(X86_64)
-ALWAYS_INLINE void JIT::sampleInstruction(Instruction* instruction, bool inHostFunction)
-{
-    move(TrustedImmPtr(m_interpreter->sampler()->sampleSlot()), X86Registers::ecx);
-    storePtr(TrustedImmPtr(m_interpreter->sampler()->encodeSample(instruction, inHostFunction)), X86Registers::ecx);
-}
-#else
-ALWAYS_INLINE void JIT::sampleInstruction(Instruction* instruction, bool inHostFunction)
-{
-    storePtr(TrustedImmPtr(m_interpreter->sampler()->encodeSample(instruction, inHostFunction)), m_interpreter->sampler()->sampleSlot());
-}
-#endif
-#endif
-
-#if ENABLE(CODEBLOCK_SAMPLING)
-#if CPU(X86_64)
-ALWAYS_INLINE void JIT::sampleCodeBlock(CodeBlock* codeBlock)
-{
-    move(TrustedImmPtr(m_interpreter->sampler()->codeBlockSlot()), X86Registers::ecx);
-    storePtr(TrustedImmPtr(codeBlock), X86Registers::ecx);
-}
-#else
-ALWAYS_INLINE void JIT::sampleCodeBlock(CodeBlock* codeBlock)
-{
-    storePtr(TrustedImmPtr(codeBlock), m_interpreter->sampler()->codeBlockSlot());
-}
-#endif
-#endif
-
-ALWAYS_INLINE bool JIT::isOperandConstantImmediateChar(unsigned src)
-{
-    return m_codeBlock->isConstantRegisterIndex(src) && getConstantOperand(src).isString() && asString(getConstantOperand(src).asCell())->length() == 1;
-}
-
-template <typename ClassType, MarkedBlock::DestructorType destructorType, typename StructureType> inline void JIT::emitAllocateBasicJSObject(StructureType structure, RegisterID result, RegisterID storagePtr)
-{
-    size_t size = ClassType::allocationSize(INLINE_STORAGE_CAPACITY);
-    MarkedAllocator* allocator = 0;
-    if (destructorType == MarkedBlock::Normal)
-        allocator = &m_globalData->heap.allocatorForObjectWithNormalDestructor(size);
-    else if (destructorType == MarkedBlock::ImmortalStructure)
-        allocator = &m_globalData->heap.allocatorForObjectWithImmortalStructureDestructor(size);
-    else
-        allocator = &m_globalData->heap.allocatorForObjectWithoutDestructor(size);
-    loadPtr(&allocator->m_freeList.head, result);
-    addSlowCase(branchTestPtr(Zero, result));
-
-    // remove the object from the free list
-    loadPtr(Address(result), storagePtr);
-    storePtr(storagePtr, &allocator->m_freeList.head);
-
-    // initialize the object's structure
-    storePtr(structure, Address(result, JSCell::structureOffset()));
-
-    // initialize the object's property storage pointer
-    storePtr(TrustedImmPtr(0), Address(result, JSObject::butterflyOffset()));
-}
-
-template <typename T> inline void JIT::emitAllocateJSFinalObject(T structure, RegisterID result, RegisterID scratch)
-{
-    emitAllocateBasicJSObject<JSFinalObject, MarkedBlock::None, T>(structure, result, scratch);
-}
-
-#if ENABLE(VALUE_PROFILER)
-inline void JIT::emitValueProfilingSite(ValueProfile* valueProfile)
-{
-    ASSERT(shouldEmitProfiling());
-    ASSERT(valueProfile);
-
-    const RegisterID value = regT0;
-#if USE(JSVALUE32_64)
-    const RegisterID valueTag = regT1;
-#endif
-    const RegisterID scratch = regT3;
-    
-    if (ValueProfile::numberOfBuckets == 1) {
-        // We're in a simple configuration: only one bucket, so we can just do a direct
-        // store.
-#if USE(JSVALUE64)
-        store64(value, valueProfile->m_buckets);
-#else
-        EncodedValueDescriptor* descriptor = bitwise_cast<EncodedValueDescriptor*>(valueProfile->m_buckets);
-        store32(value, &descriptor->asBits.payload);
-        store32(valueTag, &descriptor->asBits.tag);
-#endif
-        return;
-    }
-    
-    if (m_randomGenerator.getUint32() & 1)
-        add32(TrustedImm32(1), bucketCounterRegister);
-    else
-        add32(TrustedImm32(3), bucketCounterRegister);
-    and32(TrustedImm32(ValueProfile::bucketIndexMask), bucketCounterRegister);
-    move(TrustedImmPtr(valueProfile->m_buckets), scratch);
-#if USE(JSVALUE64)
-    store64(value, BaseIndex(scratch, bucketCounterRegister, TimesEight));
-#elif USE(JSVALUE32_64)
-    store32(value, BaseIndex(scratch, bucketCounterRegister, TimesEight, OBJECT_OFFSETOF(JSValue, u.asBits.payload)));
-    store32(valueTag, BaseIndex(scratch, bucketCounterRegister, TimesEight, OBJECT_OFFSETOF(JSValue, u.asBits.tag)));
-#endif
-}
-
-inline void JIT::emitValueProfilingSite(unsigned bytecodeOffset)
-{
-    if (!shouldEmitProfiling())
-        return;
-    emitValueProfilingSite(m_codeBlock->valueProfileForBytecodeOffset(bytecodeOffset));
-}
-
-inline void JIT::emitValueProfilingSite()
-{
-    emitValueProfilingSite(m_bytecodeOffset);
-}
-#endif // ENABLE(VALUE_PROFILER)
-
-inline void JIT::emitArrayProfilingSite(RegisterID structureAndIndexingType, RegisterID scratch, ArrayProfile* arrayProfile)
-{
-    UNUSED_PARAM(scratch); // We had found this scratch register useful here before, so I will keep it for now.
-    
-    RegisterID structure = structureAndIndexingType;
-    RegisterID indexingType = structureAndIndexingType;
-    
-    if (canBeOptimized())
-        storePtr(structure, arrayProfile->addressOfLastSeenStructure());
-
-    load8(Address(structure, Structure::indexingTypeOffset()), indexingType);
-}
-
-inline void JIT::emitArrayProfilingSiteForBytecodeIndex(RegisterID structureAndIndexingType, RegisterID scratch, unsigned bytecodeIndex)
-{
-#if ENABLE(VALUE_PROFILER)
-    emitArrayProfilingSite(structureAndIndexingType, scratch, m_codeBlock->getOrAddArrayProfile(bytecodeIndex));
-#else
-    UNUSED_PARAM(bytecodeIndex);
-    emitArrayProfilingSite(structureAndIndexingType, scratch, 0);
-#endif
-}
-
-inline void JIT::emitArrayProfileStoreToHoleSpecialCase(ArrayProfile* arrayProfile)
-{
-#if ENABLE(VALUE_PROFILER)    
-    store8(TrustedImm32(1), arrayProfile->addressOfMayStoreToHole());
-#else
-    UNUSED_PARAM(arrayProfile);
-#endif
-}
-
-static inline bool arrayProfileSaw(ArrayProfile* profile, IndexingType capability)
-{
-#if ENABLE(VALUE_PROFILER)
-    return !!(profile->observedArrayModes() & (asArrayModes(NonArray | capability) | asArrayModes(ArrayClass | capability)));
-#else
-    UNUSED_PARAM(profile);
-    UNUSED_PARAM(capability);
-    return false;
-#endif
-}
-
-inline JITArrayMode JIT::chooseArrayMode(ArrayProfile* profile)
-{
-    if (arrayProfileSaw(profile, ArrayStorageShape))
-        return JITArrayStorage;
-    return JITContiguous;
-}
-
-#if USE(JSVALUE32_64)
-
-inline void JIT::emitLoadTag(int index, RegisterID tag)
-{
-    RegisterID mappedTag;
-    if (getMappedTag(index, mappedTag)) {
-        move(mappedTag, tag);
-        unmap(tag);
-        return;
-    }
-
-    if (m_codeBlock->isConstantRegisterIndex(index)) {
-        move(Imm32(getConstantOperand(index).tag()), tag);
-        unmap(tag);
-        return;
-    }
-
-    load32(tagFor(index), tag);
-    unmap(tag);
-}
-
-inline void JIT::emitLoadPayload(int index, RegisterID payload)
-{
-    RegisterID mappedPayload;
-    if (getMappedPayload(index, mappedPayload)) {
-        move(mappedPayload, payload);
-        unmap(payload);
-        return;
-    }
-
-    if (m_codeBlock->isConstantRegisterIndex(index)) {
-        move(Imm32(getConstantOperand(index).payload()), payload);
-        unmap(payload);
-        return;
-    }
-
-    load32(payloadFor(index), payload);
-    unmap(payload);
-}
-
-inline void JIT::emitLoad(const JSValue& v, RegisterID tag, RegisterID payload)
-{
-    move(Imm32(v.payload()), payload);
-    move(Imm32(v.tag()), tag);
-}
-
-inline void JIT::emitLoad(int index, RegisterID tag, RegisterID payload, RegisterID base)
-{
-    ASSERT(tag != payload);
-
-    if (base == callFrameRegister) {
-        ASSERT(payload != base);
-        emitLoadPayload(index, payload);
-        emitLoadTag(index, tag);
-        return;
-    }
-
-    if (payload == base) { // avoid stomping base
-        load32(tagFor(index, base), tag);
-        load32(payloadFor(index, base), payload);
-        return;
-    }
-
-    load32(payloadFor(index, base), payload);
-    load32(tagFor(index, base), tag);
-}
-
-inline void JIT::emitLoad2(int index1, RegisterID tag1, RegisterID payload1, int index2, RegisterID tag2, RegisterID payload2)
-{
-    if (isMapped(index1)) {
-        emitLoad(index1, tag1, payload1);
-        emitLoad(index2, tag2, payload2);
-        return;
-    }
-    emitLoad(index2, tag2, payload2);
-    emitLoad(index1, tag1, payload1);
-}
-
-inline void JIT::emitLoadDouble(int index, FPRegisterID value)
-{
-    if (m_codeBlock->isConstantRegisterIndex(index)) {
-        WriteBarrier<Unknown>& inConstantPool = m_codeBlock->constantRegister(index);
-        loadDouble(&inConstantPool, value);
-    } else
-        loadDouble(addressFor(index), value);
-}
-
-inline void JIT::emitLoadInt32ToDouble(int index, FPRegisterID value)
-{
-    if (m_codeBlock->isConstantRegisterIndex(index)) {
-        WriteBarrier<Unknown>& inConstantPool = m_codeBlock->constantRegister(index);
-        char* bytePointer = reinterpret_cast<char*>(&inConstantPool);
-        convertInt32ToDouble(AbsoluteAddress(bytePointer + OBJECT_OFFSETOF(JSValue, u.asBits.payload)), value);
-    } else
-        convertInt32ToDouble(payloadFor(index), value);
-}
-
-inline void JIT::emitStore(int index, RegisterID tag, RegisterID payload, RegisterID base)
-{
-    store32(payload, payloadFor(index, base));
-    store32(tag, tagFor(index, base));
-}
-
-inline void JIT::emitStoreInt32(int index, RegisterID payload, bool indexIsInt32)
-{
-    store32(payload, payloadFor(index, callFrameRegister));
-    if (!indexIsInt32)
-        store32(TrustedImm32(JSValue::Int32Tag), tagFor(index, callFrameRegister));
-}
-
-inline void JIT::emitStoreAndMapInt32(int index, RegisterID tag, RegisterID payload, bool indexIsInt32, size_t opcodeLength)
-{
-    emitStoreInt32(index, payload, indexIsInt32);
-    map(m_bytecodeOffset + opcodeLength, index, tag, payload);
-}
-
-inline void JIT::emitStoreInt32(int index, TrustedImm32 payload, bool indexIsInt32)
-{
-    store32(payload, payloadFor(index, callFrameRegister));
-    if (!indexIsInt32)
-        store32(TrustedImm32(JSValue::Int32Tag), tagFor(index, callFrameRegister));
-}
-
-inline void JIT::emitStoreCell(int index, RegisterID payload, bool indexIsCell)
-{
-    store32(payload, payloadFor(index, callFrameRegister));
-    if (!indexIsCell)
-        store32(TrustedImm32(JSValue::CellTag), tagFor(index, callFrameRegister));
-}
-
-inline void JIT::emitStoreBool(int index, RegisterID payload, bool indexIsBool)
-{
-    store32(payload, payloadFor(index, callFrameRegister));
-    if (!indexIsBool)
-        store32(TrustedImm32(JSValue::BooleanTag), tagFor(index, callFrameRegister));
-}
-
-inline void JIT::emitStoreDouble(int index, FPRegisterID value)
-{
-    storeDouble(value, addressFor(index));
-}
-
-inline void JIT::emitStore(int index, const JSValue constant, RegisterID base)
-{
-    store32(Imm32(constant.payload()), payloadFor(index, base));
-    store32(Imm32(constant.tag()), tagFor(index, base));
-}
-
-ALWAYS_INLINE void JIT::emitInitRegister(unsigned dst)
-{
-    emitStore(dst, jsUndefined());
-}
-
-inline bool JIT::isLabeled(unsigned bytecodeOffset)
-{
-    for (size_t numberOfJumpTargets = m_codeBlock->numberOfJumpTargets(); m_jumpTargetIndex != numberOfJumpTargets; ++m_jumpTargetIndex) {
-        unsigned jumpTarget = m_codeBlock->jumpTarget(m_jumpTargetIndex);
-        if (jumpTarget == bytecodeOffset)
-            return true;
-        if (jumpTarget > bytecodeOffset)
-            return false;
-    }
-    return false;
-}
-
-inline void JIT::map(unsigned bytecodeOffset, int virtualRegisterIndex, RegisterID tag, RegisterID payload)
-{
-    if (isLabeled(bytecodeOffset))
-        return;
-
-    m_mappedBytecodeOffset = bytecodeOffset;
-    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)
-{
-    if (m_mappedTag == registerID)
-        m_mappedTag = (RegisterID)-1;
-    else if (m_mappedPayload == registerID)
-        m_mappedPayload = (RegisterID)-1;
-}
-
-inline void JIT::unmap()
-{
-    m_mappedBytecodeOffset = (unsigned)-1;
-    m_mappedVirtualRegisterIndex = JSStack::ReturnPC;
-    m_mappedTag = (RegisterID)-1;
-    m_mappedPayload = (RegisterID)-1;
-}
-
-inline bool JIT::isMapped(int virtualRegisterIndex)
-{
-    if (m_mappedBytecodeOffset != m_bytecodeOffset)
-        return false;
-    if (m_mappedVirtualRegisterIndex != virtualRegisterIndex)
-        return false;
-    return true;
-}
-
-inline bool JIT::getMappedPayload(int virtualRegisterIndex, RegisterID& payload)
-{
-    if (m_mappedBytecodeOffset != m_bytecodeOffset)
-        return false;
-    if (m_mappedVirtualRegisterIndex != virtualRegisterIndex)
-        return false;
-    if (m_mappedPayload == (RegisterID)-1)
-        return false;
-    payload = m_mappedPayload;
-    return true;
-}
-
-inline bool JIT::getMappedTag(int virtualRegisterIndex, RegisterID& tag)
-{
-    if (m_mappedBytecodeOffset != m_bytecodeOffset)
-        return false;
-    if (m_mappedVirtualRegisterIndex != virtualRegisterIndex)
-        return false;
-    if (m_mappedTag == (RegisterID)-1)
-        return false;
-    tag = m_mappedTag;
-    return true;
-}
-
-inline void JIT::emitJumpSlowCaseIfNotJSCell(int virtualRegisterIndex)
-{
-    if (!m_codeBlock->isKnownNotImmediate(virtualRegisterIndex)) {
-        if (m_codeBlock->isConstantRegisterIndex(virtualRegisterIndex))
-            addSlowCase(jump());
-        else
-            addSlowCase(emitJumpIfNotJSCell(virtualRegisterIndex));
-    }
-}
-
-inline void JIT::emitJumpSlowCaseIfNotJSCell(int virtualRegisterIndex, RegisterID tag)
-{
-    if (!m_codeBlock->isKnownNotImmediate(virtualRegisterIndex)) {
-        if (m_codeBlock->isConstantRegisterIndex(virtualRegisterIndex))
-            addSlowCase(jump());
-        else
-            addSlowCase(branch32(NotEqual, tag, TrustedImm32(JSValue::CellTag)));
-    }
-}
-
-ALWAYS_INLINE bool JIT::isOperandConstantImmediateInt(unsigned src)
-{
-    return m_codeBlock->isConstantRegisterIndex(src) && getConstantOperand(src).isInt32();
-}
-
-ALWAYS_INLINE bool JIT::getOperandConstantImmediateInt(unsigned op1, unsigned op2, unsigned& op, int32_t& constant)
-{
-    if (isOperandConstantImmediateInt(op1)) {
-        constant = getConstantOperand(op1).asInt32();
-        op = op2;
-        return true;
-    }
-
-    if (isOperandConstantImmediateInt(op2)) {
-        constant = getConstantOperand(op2).asInt32();
-        op = op1;
-        return true;
-    }
-    
-    return false;
-}
-
-#else // USE(JSVALUE32_64)
-
-/* Deprecated: Please use JITStubCall instead. */
-
-ALWAYS_INLINE void JIT::emitGetJITStubArg(unsigned argumentNumber, RegisterID dst)
-{
-    unsigned argumentStackOffset = (argumentNumber * (sizeof(JSValue) / sizeof(void*))) + JITSTACKFRAME_ARGS_INDEX;
-    peek64(dst, argumentStackOffset);
-}
-
-ALWAYS_INLINE void JIT::killLastResultRegister()
-{
-    m_lastResultBytecodeRegister = std::numeric_limits<int>::max();
-}
-
-// get arg puts an arg from the SF register array into a h/w register
-ALWAYS_INLINE void JIT::emitGetVirtualRegister(int src, RegisterID dst)
-{
-    ASSERT(m_bytecodeOffset != (unsigned)-1); // This method should only be called during hot/cold path generation, so that m_bytecodeOffset is set.
-
-    // TODO: we want to reuse values that are already in registers if we can - add a register allocator!
-    if (m_codeBlock->isConstantRegisterIndex(src)) {
-        JSValue value = m_codeBlock->getConstant(src);
-        if (!value.isNumber())
-            move(TrustedImm64(JSValue::encode(value)), dst);
-        else
-            move(Imm64(JSValue::encode(value)), dst);
-        killLastResultRegister();
-        return;
-    }
-
-    if (src == m_lastResultBytecodeRegister && m_codeBlock->isTemporaryRegisterIndex(src) && !atJumpTarget()) {
-        // The argument we want is already stored in eax
-        if (dst != cachedResultRegister)
-            move(cachedResultRegister, dst);
-        killLastResultRegister();
-        return;
-    }
-
-    load64(Address(callFrameRegister, src * sizeof(Register)), dst);
-    killLastResultRegister();
-}
-
-ALWAYS_INLINE void JIT::emitGetVirtualRegisters(int src1, RegisterID dst1, int src2, RegisterID dst2)
-{
-    if (src2 == m_lastResultBytecodeRegister) {
-        emitGetVirtualRegister(src2, dst2);
-        emitGetVirtualRegister(src1, dst1);
-    } else {
-        emitGetVirtualRegister(src1, dst1);
-        emitGetVirtualRegister(src2, dst2);
-    }
-}
-
-ALWAYS_INLINE int32_t JIT::getConstantOperandImmediateInt(unsigned src)
-{
-    return getConstantOperand(src).asInt32();
-}
-
-ALWAYS_INLINE bool JIT::isOperandConstantImmediateInt(unsigned src)
-{
-    return m_codeBlock->isConstantRegisterIndex(src) && getConstantOperand(src).isInt32();
-}
-
-ALWAYS_INLINE void JIT::emitPutVirtualRegister(unsigned dst, RegisterID from)
-{
-    store64(from, Address(callFrameRegister, dst * sizeof(Register)));
-    m_lastResultBytecodeRegister = (from == cachedResultRegister) ? static_cast<int>(dst) : std::numeric_limits<int>::max();
-}
-
-ALWAYS_INLINE void JIT::emitInitRegister(unsigned dst)
-{
-    store64(TrustedImm64(JSValue::encode(jsUndefined())), Address(callFrameRegister, dst * sizeof(Register)));
-}
-
-ALWAYS_INLINE JIT::Jump JIT::emitJumpIfJSCell(RegisterID reg)
-{
-    return branchTest64(Zero, reg, tagMaskRegister);
-}
-
-ALWAYS_INLINE JIT::Jump JIT::emitJumpIfBothJSCells(RegisterID reg1, RegisterID reg2, RegisterID scratch)
-{
-    move(reg1, scratch);
-    or64(reg2, scratch);
-    return emitJumpIfJSCell(scratch);
-}
-
-ALWAYS_INLINE void JIT::emitJumpSlowCaseIfJSCell(RegisterID reg)
-{
-    addSlowCase(emitJumpIfJSCell(reg));
-}
-
-ALWAYS_INLINE JIT::Jump JIT::emitJumpIfNotJSCell(RegisterID reg)
-{
-    return branchTest64(NonZero, reg, tagMaskRegister);
-}
-
-ALWAYS_INLINE void JIT::emitJumpSlowCaseIfNotJSCell(RegisterID reg)
-{
-    addSlowCase(emitJumpIfNotJSCell(reg));
-}
-
-ALWAYS_INLINE void JIT::emitJumpSlowCaseIfNotJSCell(RegisterID reg, int vReg)
-{
-    if (!m_codeBlock->isKnownNotImmediate(vReg))
-        emitJumpSlowCaseIfNotJSCell(reg);
-}
-
-inline void JIT::emitLoadDouble(int index, FPRegisterID value)
-{
-    if (m_codeBlock->isConstantRegisterIndex(index)) {
-        WriteBarrier<Unknown>& inConstantPool = m_codeBlock->constantRegister(index);
-        loadDouble(&inConstantPool, value);
-    } else
-        loadDouble(addressFor(index), value);
-}
-
-inline void JIT::emitLoadInt32ToDouble(int index, FPRegisterID value)
-{
-    if (m_codeBlock->isConstantRegisterIndex(index)) {
-        ASSERT(isOperandConstantImmediateInt(index));
-        convertInt32ToDouble(Imm32(getConstantOperand(index).asInt32()), value);
-    } else
-        convertInt32ToDouble(addressFor(index), value);
-}
-
-ALWAYS_INLINE JIT::Jump JIT::emitJumpIfImmediateInteger(RegisterID reg)
-{
-    return branch64(AboveOrEqual, reg, tagTypeNumberRegister);
-}
-
-ALWAYS_INLINE JIT::Jump JIT::emitJumpIfNotImmediateInteger(RegisterID reg)
-{
-    return branch64(Below, reg, tagTypeNumberRegister);
-}
-
-ALWAYS_INLINE JIT::Jump JIT::emitJumpIfNotImmediateIntegers(RegisterID reg1, RegisterID reg2, RegisterID scratch)
-{
-    move(reg1, scratch);
-    and64(reg2, scratch);
-    return emitJumpIfNotImmediateInteger(scratch);
-}
-
-ALWAYS_INLINE void JIT::emitJumpSlowCaseIfNotImmediateInteger(RegisterID reg)
-{
-    addSlowCase(emitJumpIfNotImmediateInteger(reg));
-}
-
-ALWAYS_INLINE void JIT::emitJumpSlowCaseIfNotImmediateIntegers(RegisterID reg1, RegisterID reg2, RegisterID scratch)
-{
-    addSlowCase(emitJumpIfNotImmediateIntegers(reg1, reg2, scratch));
-}
-
-ALWAYS_INLINE void JIT::emitJumpSlowCaseIfNotImmediateNumber(RegisterID reg)
-{
-    addSlowCase(emitJumpIfNotImmediateNumber(reg));
-}
-
-ALWAYS_INLINE void JIT::emitFastArithReTagImmediate(RegisterID src, RegisterID dest)
-{
-    emitFastArithIntToImmNoCheck(src, dest);
-}
-
-// operand is int32_t, must have been zero-extended if register is 64-bit.
-ALWAYS_INLINE void JIT::emitFastArithIntToImmNoCheck(RegisterID src, RegisterID dest)
-{
-    if (src != dest)
-        move(src, dest);
-    or64(tagTypeNumberRegister, dest);
-}
-
-ALWAYS_INLINE void JIT::emitTagAsBoolImmediate(RegisterID reg)
-{
-    or32(TrustedImm32(static_cast<int32_t>(ValueFalse)), reg);
-}
-
-#endif // USE(JSVALUE32_64)
-
-} // namespace JSC
-
-#endif // ENABLE(JIT)
-
-#endif