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LibJS: Cache arguments span in ExecutionContext

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Allows us to avoid doing math in ExecutionContext::argument()
This commit is contained in:
Aliaksandr Kalenik 2025-04-24 01:37:30 +02:00 • committed by Andreas Kling
commit e48645c83f
Notes: github-actions[bot] 2025-04-24 08:31:57 +00:00
13 changed files with 24 additions and 31 deletions
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15
Libraries/LibJS/Runtime/ExecutionContext.h
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@ -83,10 +83,9 @@ public:
Value argument(size_t index) const
{
auto arguments_size = registers_and_constants_and_locals_and_arguments_count - arguments_offset;
if (index >= arguments_size) [[unlikely]]
if (index >= arguments.size()) [[unlikely]]
return js_undefined();
return registers_and_constants_and_locals_and_arguments()[arguments_offset + index];
return arguments[index];
}
Value& local(size_t index)
@ -98,15 +97,7 @@ public:
u32 passed_argument_count { 0 };
bool is_strict_mode { false };
Span<Value> arguments()
{
return { registers_and_constants_and_locals_and_arguments() + arguments_offset, registers_and_constants_and_locals_and_arguments_count - arguments_offset };
}
ReadonlySpan<Value> arguments() const
{
return { registers_and_constants_and_locals_and_arguments() + arguments_offset, registers_and_constants_and_locals_and_arguments_count - arguments_offset };
}
Span<Value> arguments;
Vector<Bytecode::UnwindInfo> unwind_contexts;
Vector<Optional<size_t>> previously_scheduled_jumps;