LibWasm: Stop using ConstrainedStream for function parsing

Speeds up spidermonkey.wasm instantiation by around 20ms (260ms -> 240ms)
This commit is contained in:
Diego Frias 2024-07-26 13:46:31 -07:00 committed by Andreas Kling
parent 5cde327d46
commit 2192c149e2
Notes: github-actions[bot] 2024-07-27 06:20:49 +00:00

View file

@ -1257,11 +1257,9 @@ ParseResult<CodeSection::Code> CodeSection::Code::parse(Stream& stream)
return with_eof_check(stream, ParseError::InvalidSize);
size_t size = size_or_error.release_value();
auto constrained_stream = ConstrainedStream { MaybeOwned<Stream>(stream), size };
// Emprically, if there are `size` bytes to be read, then there's around
// `size / 2` instructions, so we pass that as our size hint.
auto func = TRY(Func::parse(constrained_stream, size / 2));
auto func = TRY(Func::parse(stream, size / 2));
return Code { static_cast<u32>(size), func };
}