C++ (Cpp) LazyOperandValueProfile示例

示例#1

文件： MethodOfGettingAValueProfile.cpp 项目： wolfviking0/webcl-webkit

void MethodOfGettingAValueProfile::reportValue(JSValue value)
{
    switch (m_kind) {
    case None:
        return;

    case Ready:
        *u.profile->specFailBucket(0) = JSValue::encode(value);
        return;

    case LazyOperand: {
        LazyOperandValueProfileKey key(u.lazyOperand.bytecodeOffset, VirtualRegister(u.lazyOperand.operand));

        ConcurrentJSLocker locker(u.lazyOperand.codeBlock->m_lock);
        LazyOperandValueProfile* profile =
            u.lazyOperand.codeBlock->lazyOperandValueProfiles(locker).add(locker, key);
        *profile->specFailBucket(0) = JSValue::encode(value);
        return;
    }

    case ArithProfileReady: {
        u.arithProfile->observeResult(value);
        return;
    } }

    RELEASE_ASSERT_NOT_REACHED();
}

示例#2

文件： MethodOfGettingAValueProfile.cpp 项目： wolfviking0/webcl-webkit

void MethodOfGettingAValueProfile::emitReportValue(CCallHelpers& jit, JSValueRegs regs) const
{
    switch (m_kind) {
    case None:
        return;
        
    case Ready:
        jit.storeValue(regs, u.profile->specFailBucket(0));
        return;
        
    case LazyOperand: {
        LazyOperandValueProfileKey key(u.lazyOperand.bytecodeOffset, VirtualRegister(u.lazyOperand.operand));
        
        ConcurrentJSLocker locker(u.lazyOperand.codeBlock->m_lock);
        LazyOperandValueProfile* profile =
            u.lazyOperand.codeBlock->lazyOperandValueProfiles(locker).add(locker, key);
        jit.storeValue(regs, profile->specFailBucket(0));
        return;
    }
        
    case ArithProfileReady: {
        u.arithProfile->emitObserveResult(jit, regs, DoNotHaveTagRegisters);
        return;
    } }
    
    RELEASE_ASSERT_NOT_REACHED();
}

示例#3

文件： LazyOperandValueProfile.cpp 项目： B-Stefan/webkit

SpeculatedType LazyOperandValueProfileParser::prediction(
    const ConcurrentJITLocker& locker, const LazyOperandValueProfileKey& key) const
{
    LazyOperandValueProfile* profile = getIfPresent(key);
    if (!profile)
        return SpecNone;
    
    return profile->computeUpdatedPrediction(locker);
}

示例#4

文件： MethodOfGettingAValueProfile.cpp 项目： KnightSwarm/WebKitTi

EncodedJSValue* MethodOfGettingAValueProfile::getSpecFailBucket(unsigned index) const
{
    switch (m_kind) {
    case None:
        return 0;
        
    case Ready:
        return u.profile->specFailBucket(index);
        
    case LazyOperand: {
        LazyOperandValueProfileKey key(u.lazyOperand.bytecodeOffset, u.lazyOperand.operand);
        
        ConcurrentJITLocker locker(u.lazyOperand.codeBlock->m_lock);
        LazyOperandValueProfile* profile =
            u.lazyOperand.codeBlock->lazyOperandValueProfiles().add(locker, key);
        return profile->specFailBucket(index);
    }
        
    default:
        RELEASE_ASSERT_NOT_REACHED();
        return 0;
    }
}