bool DynamicTypeHandler::CheckHeuristicsForFixedDataProps(DynamicObject* instance, const PropertyRecord * propertyRecord, Var value)
{
if (PHASE_FORCE1(Js::FixDataPropsPhase))
{
return true;
}
if (Js::TaggedInt::Is(value) &&
((instance->GetTypeId() == TypeIds_GlobalObject && instance->GetScriptContext()->IsIntConstPropertyOnGlobalObject(propertyRecord->GetPropertyId())) ||
(instance->GetTypeId() == TypeIds_Object && instance->GetScriptContext()->IsIntConstPropertyOnGlobalUserObject(propertyRecord->GetPropertyId()))))
{
return true;
}
// Disabled by default
if (PHASE_ON1(Js::FixDataVarPropsPhase))
{
if (instance->GetTypeHandler()->GetFlags() & IsPrototypeFlag)
{
return true;
}
if (instance->GetType()->GetTypeId() == TypeIds_GlobalObject)
{
// if we have statically seen multiple stores - we should not do this optimization
RootObjectInlineCache* cache = (static_cast<Js::RootObjectBase*>(instance))->GetRootInlineCache(propertyRecord, /*isLoadMethod*/ false, /*isStore*/ true);
uint refCount = cache->Release();
return refCount <= 1;
}
}
return false;
}
template<> void PrintTmpRegisterDeAllocation<AsmJsSIMDValue>(RegSlot loc)
{
if (PHASE_ON1(AsmjsTmpRegisterAllocationPhase))
Output::Print(L"-SIMD%d\n", loc);
}
template<> void PrintTmpRegisterDeAllocation<float>(RegSlot loc)
{
if (PHASE_ON1(AsmjsTmpRegisterAllocationPhase))
Output::Print(_u("-F%d\n"), loc);
}
template<> void PrintTmpRegisterDeAllocation<int>(RegSlot loc)
{
if (PHASE_ON1(AsmjsTmpRegisterAllocationPhase))
Output::Print(L"-I%d\n", loc);
}
template<> void PrintTmpRegisterAllocation<double>(RegSlot loc)
{
if (PHASE_ON1(AsmjsTmpRegisterAllocationPhase))
Output::Print(_u("+D%d\n"), loc);
}