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LibJS/JIT: Compile the Call bytecode instruction

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I've left a FIXME about dealing with some throwsy cases.
This commit is contained in:
Andreas Kling 2023-10-20 13:32:59 +02:00
parent 7fc35fde09
commit 640455b1d2
5 changed files with 43 additions and 12 deletions
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34
Userland/Libraries/LibJS/JIT/Compiler.cpp
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@ -492,6 +492,37 @@ void Compiler::compile_put_by_id(Bytecode::Op::PutById const& op)
check_exception();
}
static Value cxx_call(VM& vm, Value callee, u32 first_argument_index, u32 argument_count, Value this_value, Bytecode::Op::CallType call_type)
{
// FIXME: Uncomment this and deal with it.
// TRY_OR_SET_EXCEPTION(throw_if_needed_for_call(vm.bytecode_interpreter(), *this, callee));
MarkedVector<Value> argument_values(vm.heap());
argument_values.ensure_capacity(argument_count);
for (u32 i = 0; i < argument_count; ++i) {
argument_values.unchecked_append(vm.bytecode_interpreter().reg(Bytecode::Register { first_argument_index + i }));
}
return TRY_OR_SET_EXCEPTION(perform_call(vm.bytecode_interpreter(), this_value, call_type, callee, move(argument_values)));
}
void Compiler::compile_call(Bytecode::Op::Call const& op)
{
load_vm_register(ARG1, op.callee());
m_assembler.mov(
Assembler::Operand::Register(ARG2),
Assembler::Operand::Imm64(op.first_argument().index()));
m_assembler.mov(
Assembler::Operand::Register(ARG3),
Assembler::Operand::Imm64(op.argument_count()));
load_vm_register(ARG4, op.this_value());
m_assembler.mov(
Assembler::Operand::Register(ARG5),
Assembler::Operand::Imm64(to_underlying(op.call_type())));
m_assembler.native_call((void*)cxx_call);
store_vm_register(Bytecode::Register::accumulator(), RET);
check_exception();
}
OwnPtr<NativeExecutable> Compiler::compile(Bytecode::Executable& bytecode_executable)
{
if (getenv("LIBJS_NO_JIT"))
@ -580,6 +611,9 @@ OwnPtr<NativeExecutable> Compiler::compile(Bytecode::Executable& bytecode_execut
case Bytecode::Instruction::Type::ResolveThisBinding:
compiler.compile_resolve_this_binding(static_cast<Bytecode::Op::ResolveThisBinding const&>(op));
break;
case Bytecode::Instruction::Type::Call:
compiler.compile_call(static_cast<Bytecode::Op::Call const&>(op));
break;
#define DO_COMPILE_COMMON_BINARY_OP(TitleCaseName, snake_case_name) \
case Bytecode::Instruction::Type::TitleCaseName: \