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Improve dealing way of program counter in interpreter

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* Use direct address instead of using offset of program when calling interpreter
* We don't need to restore the pointer of program counter in ExecutionState

Signed-off-by: Seonghyun Kim <sh8281.kim@samsung.com>
This commit is contained in:
Seonghyun Kim 2022-06-09 10:25:12 +09:00 • committed by Hyukwoo Park
commit 2678a383ec
5 changed files with 35 additions and 54 deletions
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6
src/parser/Script.cpp
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@ -483,7 +483,7 @@ Value Script::execute(ExecutionState& state, bool isExecuteOnEvalFunction, bool
// set the next(first) breakpoint to be stopped in a newer script execution
context()->setAsAlwaysStopState();
#endif
resultValue = ByteCodeInterpreter::interpret(codeExecutionState, byteCodeBlock, 0, registerFile);
resultValue = ByteCodeInterpreter::interpret(codeExecutionState, byteCodeBlock, reinterpret_cast<size_t>(byteCodeBlock->m_code.data()), registerFile);
clearStack<512>();
// we give up program bytecodeblock after first excution for reducing memory usage
@ -611,7 +611,7 @@ Value Script::executeLocal(ExecutionState& state, Value thisValue, InterpretedCo
}
newState.ensureRareData()->m_codeBlock = m_topCodeBlock;
Value resultValue = ByteCodeInterpreter::interpret(&newState, byteCodeBlock, 0, registerFile);
Value resultValue = ByteCodeInterpreter::interpret(&newState, byteCodeBlock, reinterpret_cast<size_t>(byteCodeBlock->m_code.data()), registerFile);
clearStack<512>();
return resultValue;
@ -1093,7 +1093,7 @@ Script::ModuleExecutionResult Script::moduleExecute(ExecutionState& state, Optio
if (LIKELY(!m_topCodeBlock->isAsync())) {
try {
ByteCodeInterpreter::interpret(newState, byteCodeBlock, 0, registerFile);
ByteCodeInterpreter::interpret(newState, byteCodeBlock, reinterpret_cast<size_t>(byteCodeBlock->m_code.data()), registerFile);
} catch (const Value& e) {
resultValue = e;
gotException = true;