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LibWasm: Remove needless and costly copies

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Speeds up spidermonkey.wasm instantiation by around 60ms (240ms -> 180ms)
This commit is contained in:
Diego Frias
2024-07-26 14:01:03 -07:00
committed by Andreas Kling
parent 2192c149e2
commit fc57f5111d
1 changed files with 3 additions and 3 deletions
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6
Userland/Libraries/LibWasm/Parser/Parser.cpp
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@@ -1246,7 +1246,7 @@ ParseResult<CodeSection::Func> CodeSection::Func::parse(Stream& stream, size_t s
ScopeLogger<WASM_BINPARSER_DEBUG> logger("Func"sv); ScopeLogger<WASM_BINPARSER_DEBUG> logger("Func"sv);
auto locals = TRY(parse_vector<Locals>(stream)); auto locals = TRY(parse_vector<Locals>(stream));
auto body = TRY(Expression::parse(stream, size_hint)); auto body = TRY(Expression::parse(stream, size_hint));
return Func { locals, body }; return Func { move(locals), move(body) };
} }
ParseResult<CodeSection::Code> CodeSection::Code::parse(Stream& stream) ParseResult<CodeSection::Code> CodeSection::Code::parse(Stream& stream)
@@ -1261,14 +1261,14 @@ ParseResult<CodeSection::Code> CodeSection::Code::parse(Stream& stream)
// `size / 2` instructions, so we pass that as our size hint. // `size / 2` instructions, so we pass that as our size hint.
auto func = TRY(Func::parse(stream, size / 2)); auto func = TRY(Func::parse(stream, size / 2));
return Code { static_cast<u32>(size), func }; return Code { static_cast<u32>(size), move(func) };
} }
ParseResult<CodeSection> CodeSection::parse(Stream& stream) ParseResult<CodeSection> CodeSection::parse(Stream& stream)
{ {
ScopeLogger<WASM_BINPARSER_DEBUG> logger("CodeSection"sv); ScopeLogger<WASM_BINPARSER_DEBUG> logger("CodeSection"sv);
auto result = TRY(parse_vector<Code>(stream)); auto result = TRY(parse_vector<Code>(stream));
return CodeSection { result }; return CodeSection { move(result) };
} }
ParseResult<DataSection::Data> DataSection::Data::parse(Stream& stream) ParseResult<DataSection::Data> DataSection::Data::parse(Stream& stream)