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LibWasm: Flatten instructions in one continuous loop during parsing

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Instead of multiple loops and multiple vectors, parse Wasm expressions
in a simple loop. This gets us from ~450ms to instantiate spidermonkey
to ~280ms.
This commit is contained in:
Diego Frias 2024-07-24 10:48:31 -07:00 • committed by Ali Mohammad Pur
parent f774d75f89
commit 2cfc1873c0
Notes: github-actions[bot] 2024-07-25 10:17:44 +00:00
3 changed files with 703 additions and 778 deletions
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4
Userland/Libraries/LibWasm/Opcode.h
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@ -20,6 +20,8 @@ namespace Instructions {
M(block, 0x02) \
M(loop, 0x03) \
M(if_, 0x04) \
M(structured_else, 0x05) \
M(structured_end, 0x0b) \
M(br, 0x0c) \
M(br_if, 0x0d) \
M(br_table, 0x0e) \
@ -217,8 +219,6 @@ namespace Instructions {
M(table_grow, 0xfc0000000000000full) \
M(table_size, 0xfc00000000000010ull) \
M(table_fill, 0xfc00000000000011ull) \
M(structured_else, 0xff00000000000000ull) \
M(structured_end, 0xff00000000000001ull) \
M(v128_load, 0xfd00000000000000ull) \
M(v128_load8x8_s, 0xfd00000000000001ull) \
M(v128_load8x8_u, 0xfd00000000000002ull) \

1474
Userland/Libraries/LibWasm/Parser/Parser.cpp
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File diff suppressed because it is too large Load diff

3
Userland/Libraries/LibWasm/Types.h
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@ -460,10 +460,11 @@ public:
{
}
static ParseResult<Vector<Instruction>> parse(Stream& stream, InstructionPointer& ip);
static ParseResult<Instruction> parse(Stream& stream);
auto& opcode() const { return m_opcode; }
auto& arguments() const { return m_arguments; }
auto& arguments() { return m_arguments; }
private:
OpCode m_opcode { 0 };