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allocate almost gc objects as typed gc object

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Signed-off-by: seonghyun kim <sh8281.kim@samsung.com>
This commit is contained in:
seonghyun kim 2017-01-18 20:22:27 +09:00
commit dbbbdf2374
40 changed files with 506 additions and 105 deletions
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20
src/interpreter/ByteCodeInterpreter.cpp
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@ -351,8 +351,7 @@ void ByteCodeInterpreter::interpret(ExecutionState& state, CodeBlock* codeBlock,
idx = property.toString(state)->tryToUseAsArrayIndex();
}
if (LIKELY(idx != Value::InvalidArrayIndexValue)) {
ASSERT(arr->m_fastModeData.size() == arr->getArrayLength(state));
if (LIKELY(idx < arr->m_fastModeData.size())) {
if (LIKELY(idx < arr->getArrayLength(state))) {
const Value& v = arr->m_fastModeData[idx];
if (LIKELY(!v.isEmpty())) {
registerFile[code->m_objectRegisterIndex] = v;
@ -383,7 +382,7 @@ void ByteCodeInterpreter::interpret(ExecutionState& state, CodeBlock* codeBlock,
idx = property.toString(state)->tryToUseAsArrayIndex();
}
if (LIKELY(idx != Value::InvalidArrayIndexValue)) {
uint32_t len = arr->m_fastModeData.size();
uint32_t len = arr->getArrayLength(state);
if (UNLIKELY(len <= idx)) {
if (UNLIKELY(!arr->isExtensible())) {
goto SetObjectOpcodeSlowCase;
@ -392,7 +391,6 @@ void ByteCodeInterpreter::interpret(ExecutionState& state, CodeBlock* codeBlock,
goto SetObjectOpcodeSlowCase;
}
}
ASSERT(arr->m_fastModeData.size() == arr->getArrayLength(state));
arr->m_fastModeData[idx] = registerFile[code->m_loadRegisterIndex];
registerFile[code->m_objectRegisterIndex] = registerFile[code->m_loadRegisterIndex];
ADD_PROGRAM_COUNTER(SetObject);
@ -1356,7 +1354,7 @@ TestCache:
for (; currentCacheIndex < cacheFillCount; currentCacheIndex++) {
const GetObjectInlineCacheData& data = inlineCache.m_cache[currentCacheIndex];
const ObjectStructureChain* const cachedHiddenClassChain = &data.m_cachedhiddenClassChain;
const size_t& cachedIndex = data.m_cachedIndex;
size_t cachedIndex = data.m_cachedIndex;
const size_t cSiz = cachedHiddenClassChain->size() - 1;
for (size_t i = 0; i < cSiz; i++) {
testItem.m_objectStructure = obj->structure();
@ -1377,7 +1375,7 @@ TestCache:
testItem.m_objectStructure = obj->structure();
testItem.m_version = obj->structure()->version();
if (LIKELY((*cachedHiddenClassChain)[cSiz] == testItem)) {
if (LIKELY(cachedIndex != SIZE_MAX)) {
if (LIKELY(data.m_hasIndex)) {
return obj->getOwnPropertyUtilForObject(state, cachedIndex, target);
} else {
return Value();
@ -1404,7 +1402,6 @@ NEVER_INLINE Value ByteCodeInterpreter::getObjectPrecomputedCaseOperationCacheMi
}
ObjectStructureChain* cachedHiddenClassChain = &inlineCache.m_cache[0].m_cachedhiddenClassChain;
size_t* cachedHiddenClassIndex = &inlineCache.m_cache[0].m_cachedIndex;
ObjectStructureChainItem newItem;
while (true) {
@ -1414,7 +1411,8 @@ NEVER_INLINE Value ByteCodeInterpreter::getObjectPrecomputedCaseOperationCacheMi
cachedHiddenClassChain->push_back(newItem);
size_t idx = obj->structure()->findProperty(state, name);
if (idx != SIZE_MAX) {
*cachedHiddenClassIndex = idx;
inlineCache.m_cache[0].m_cachedIndex = idx;
inlineCache.m_cache[0].m_hasIndex = true;
break;
}
const Value& proto = obj->getPrototype(state);
@ -1424,14 +1422,14 @@ NEVER_INLINE Value ByteCodeInterpreter::getObjectPrecomputedCaseOperationCacheMi
break;
}
if (*cachedHiddenClassIndex != SIZE_MAX) {
return obj->getOwnPropertyUtilForObject(state, *cachedHiddenClassIndex, target);
if (inlineCache.m_cache[0].m_hasIndex) {
return obj->getOwnPropertyUtilForObject(state, inlineCache.m_cache[0].m_cachedIndex, target);
} else {
return Value();
}
}
ALWAYS_INLINE void ByteCodeInterpreter::setObjectPreComputedCaseOperation(ExecutionState& state, Object* obj, const PropertyName& name, const Value& value, SetObjectInlineCache& inlineCache)
NEVER_INLINE void ByteCodeInterpreter::setObjectPreComputedCaseOperation(ExecutionState& state, Object* obj, const PropertyName& name, const Value& value, SetObjectInlineCache& inlineCache)
{
Object* originalObject = obj;