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Implement ScriptSimpleFunctionObject for enhance function call performance

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many general function can use ScriptSimpleFunctionObject.
It has simple call operation

Signed-off-by: Seonghyun Kim <sh8281.kim@samsung.com>
This commit is contained in:
Seonghyun Kim 2022-03-16 18:37:59 +09:00 • committed by Boram Bae
commit c9f14d2a87
10 changed files with 216 additions and 15 deletions
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42
src/runtime/ScriptFunctionObject.cpp
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@ -30,6 +30,7 @@
#include "runtime/EnvironmentRecord.h"
#include "runtime/ErrorObject.h"
#include "runtime/VMInstance.h"
#include "runtime/ScriptSimpleFunctionObject.h"
#include "parser/ScriptParser.h"
#include "parser/ast/AST.h"
@ -77,6 +78,47 @@ NEVER_INLINE void ScriptFunctionObject::generateByteCodeBlock(ExecutionState& st
auto& currentCodeSizeTotal = state.context()->vmInstance()->compiledByteCodeSize();
ASSERT(currentCodeSizeTotal < std::numeric_limits<size_t>::max());
currentCodeSizeTotal += interpretedCodeBlock()->byteCodeBlock()->memoryAllocatedSize();
if (hasTag(g_scriptFunctionObjectTag)) {
auto cb = m_codeBlock->asInterpretedCodeBlock();
auto byteCb = cb->byteCodeBlock();
size_t registerSize = byteCb->m_requiredRegisterFileSizeInValueSize;
size_t identifierOnStackCount = cb->identifierOnStackCount();
size_t stackStorageSize = cb->totalStackAllocatedVariableSize();
size_t literalStorageSize = byteCb->m_numeralLiteralData.size();
size_t registerFileSize = registerSize + stackStorageSize + literalStorageSize;
bool isStrict = cb->isStrict();
bool shouldClearStack = byteCb->m_shouldClearStack;
#define DEFINE_SCRIPTSIMPLEFUNCTION_BRANCH(opt1, opt2) \
if (registerFileSize <= 4) { \
writeTag(ScriptSimpleFunctionObject<opt1, opt2, 4>().getTag()); \
} else if (registerFileSize <= 8) { \
writeTag(ScriptSimpleFunctionObject<opt1, opt2, 8>().getTag()); \
} else if (registerFileSize <= 16) { \
writeTag(ScriptSimpleFunctionObject<opt1, opt2, 16>().getTag()); \
} else { \
writeTag(ScriptSimpleFunctionObject<opt1, opt2, 24>().getTag()); \
}
if (cb->canAllocateEnvironmentOnStack() && registerFileSize <= 24) {
if (isStrict) {
if (shouldClearStack) {
DEFINE_SCRIPTSIMPLEFUNCTION_BRANCH(true, true);
} else {
DEFINE_SCRIPTSIMPLEFUNCTION_BRANCH(true, false);
}
} else {
if (shouldClearStack) {
DEFINE_SCRIPTSIMPLEFUNCTION_BRANCH(false, true);
} else {
DEFINE_SCRIPTSIMPLEFUNCTION_BRANCH(false, false);
}
}
}
}
}
Value ScriptFunctionObject::call(ExecutionState& state, const Value& thisValue, const size_t argc, Value* argv)