mirror of
https://github.com/RGBCube/serenity
synced 2025-07-25 04:57:44 +00:00
LibJS/JIT: Add fast path for loose equality check between 2 objects
There are more fast paths to be added here, just starting with this one since it's heavy on Kraken/ai-astar.js :^)
This commit is contained in:
parent
4e9e183a34
commit
e41f0d9dec
2 changed files with 45 additions and 1 deletions
|
@ -618,6 +618,51 @@ static ThrowCompletionOr<Value> strict_equals(VM&, Value src1, Value src2)
|
|||
return Value(is_strictly_equal(src1, src2));
|
||||
}
|
||||
|
||||
static Value cxx_loosely_equals(VM& vm, Value lhs, Value rhs)
|
||||
{
|
||||
return TRY_OR_SET_EXCEPTION(loosely_equals(vm, lhs, rhs));
|
||||
}
|
||||
|
||||
void Compiler::compile_loosely_equals(Bytecode::Op::LooselyEquals const& op)
|
||||
{
|
||||
Assembler::Label end;
|
||||
|
||||
load_vm_register(ARG1, op.lhs());
|
||||
load_accumulator(ARG2);
|
||||
|
||||
// Fast path if both sides are objects.
|
||||
branch_if_object(ARG1, [&] {
|
||||
branch_if_object(ARG2, [&] {
|
||||
Assembler::Label true_case;
|
||||
|
||||
m_assembler.jump_if(
|
||||
Assembler::Operand::Register(ARG1),
|
||||
Assembler::Condition::EqualTo,
|
||||
Assembler::Operand::Register(ARG2),
|
||||
true_case);
|
||||
|
||||
m_assembler.mov(
|
||||
Assembler::Operand::Register(GPR0),
|
||||
Assembler::Operand::Imm(Value(false).encoded()));
|
||||
store_accumulator(GPR0);
|
||||
m_assembler.jump(end);
|
||||
|
||||
true_case.link(m_assembler);
|
||||
m_assembler.mov(
|
||||
Assembler::Operand::Register(GPR0),
|
||||
Assembler::Operand::Imm(Value(true).encoded()));
|
||||
store_accumulator(GPR0);
|
||||
m_assembler.jump(end);
|
||||
});
|
||||
});
|
||||
|
||||
native_call((void*)cxx_loosely_equals);
|
||||
store_accumulator(RET);
|
||||
check_exception();
|
||||
|
||||
end.link(m_assembler);
|
||||
}
|
||||
|
||||
# define DO_COMPILE_COMMON_BINARY_OP(TitleCaseName, snake_case_name) \
|
||||
static Value cxx_##snake_case_name(VM& vm, Value lhs, Value rhs) \
|
||||
{ \
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue