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LibJS: Put Bytecode::CallFrame + register slots in a single allocation

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The number of registers in a call frame never changes, so we can
allocate it at the end of the CallFrame object and save ourselves the
cost of allocating separate Vector storage for every call frame.
This commit is contained in:
Andreas Kling 2023-11-27 17:27:51 +01:00
commit 3fc0333ee6
Notes: sideshowbarker 2024-07-17 06:00:02 +09:00
11 changed files with 57 additions and 36 deletions
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Userland/Libraries/LibJS/Runtime/VM.cpp
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@ -285,7 +285,7 @@ ThrowCompletionOr<Value> VM::execute_ast_node(ASTNode const& node)
auto result_or_error = bytecode_interpreter().run_and_return_frame(*executable, nullptr);
if (result_or_error.value.is_error())
return result_or_error.value.release_error();
return result_or_error.frame->registers[0];
return result_or_error.frame->registers()[0];
}
// 13.15.5.3 Runtime Semantics: PropertyDestructuringAssignmentEvaluation, https://tc39.es/ecma262/#sec-runtime-semantics-propertydestructuringassignmentevaluation