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LibJS/JIT: Compile the ConcatString bytecode instruction

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This commit is contained in:
Simon Wanner 2023-10-29 00:06:54 +02:00 • committed by Andreas Kling
parent cafe60d713
commit 1d3062de9e
3 changed files with 21 additions and 0 deletions
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2
Userland/Libraries/LibJS/Bytecode/Op.h
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@ -362,6 +362,8 @@ public:
ThrowCompletionOr<void> execute_impl(Bytecode::Interpreter&) const;
DeprecatedString to_deprecated_string_impl(Bytecode::Executable const&) const;
Register lhs() const { return m_lhs; }
private:
Register m_lhs;
};

18
Userland/Libraries/LibJS/JIT/Compiler.cpp
View file

@ -1027,6 +1027,21 @@ void Compiler::compile_leave_lexical_environment(Bytecode::Op::LeaveLexicalEnvir
native_call((void*)cxx_leave_lexical_environment);
}
static Value cxx_concat_string(VM& vm, Value lhs, Value rhs)
{
auto string = TRY_OR_SET_EXCEPTION(rhs.to_primitive_string(vm));
return PrimitiveString::create(vm, lhs.as_string(), string);
}
void Compiler::compile_concat_string(Bytecode::Op::ConcatString const& op)
{
load_vm_register(ARG1, op.lhs());
load_vm_register(ARG2, Bytecode::Register::accumulator());
native_call((void*)cxx_concat_string);
store_vm_register(op.lhs(), RET);
check_exception();
}
void Compiler::jump_to_exit()
{
m_assembler.jump(m_exit_label);
@ -1190,6 +1205,9 @@ OwnPtr<NativeExecutable> Compiler::compile(Bytecode::Executable& bytecode_execut
case Bytecode::Instruction::Type::ContinuePendingUnwind:
compiler.compile_continue_pending_unwind(static_cast<Bytecode::Op::ContinuePendingUnwind const&>(op));
break;
case Bytecode::Instruction::Type::ConcatString:
compiler.compile_concat_string(static_cast<Bytecode::Op::ConcatString const&>(op));
break;
# define DO_COMPILE_COMMON_BINARY_OP(TitleCaseName, snake_case_name) \
case Bytecode::Instruction::Type::TitleCaseName: \

1
Userland/Libraries/LibJS/JIT/Compiler.h
View file

@ -115,6 +115,7 @@ private:
void compile_typeof_variable(Bytecode::Op::TypeofVariable const&);
void compile_set_variable(Bytecode::Op::SetVariable const&);
void compile_continue_pending_unwind(Bytecode::Op::ContinuePendingUnwind const&);
void compile_concat_string(Bytecode::Op::ConcatString const&);
void store_vm_register(Bytecode::Register, Assembler::Reg);
void load_vm_register(Assembler::Reg, Bytecode::Register);