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LibJS/JIT: Support the GetById bytecode op

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We can now do basic property (get) access in jitted code! :^)
This commit is contained in:
Andreas Kling 2023-10-18 13:27:56 +02:00
parent 8905682a16
commit 6a6ef6670c
3 changed files with 28 additions and 0 deletions
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23
Userland/Libraries/LibJS/JIT/Compiler.cpp
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@ -5,6 +5,7 @@
*/
#include <AK/OwnPtr.h>
#include <LibJS/Bytecode/CommonImplementations.h>
#include <LibJS/Bytecode/Instruction.h>
#include <LibJS/Bytecode/Interpreter.h>
#include <LibJS/JIT/Compiler.h>
@ -366,6 +367,25 @@ void Compiler::compile_new_string(Bytecode::Op::NewString const& op)
store_vm_register(Bytecode::Register::accumulator(), RET);
}
static Value cxx_get_by_id(VM& vm, Value base, Bytecode::IdentifierTableIndex property, u32 cache_index)
{
return TRY_OR_SET_EXCEPTION(Bytecode::get_by_id(vm.bytecode_interpreter(), property, base, base, cache_index));
}
void Compiler::compile_get_by_id(Bytecode::Op::GetById const& op)
{
load_vm_register(ARG1, Bytecode::Register::accumulator());
m_assembler.mov(
Assembler::Operand::Register(ARG2),
Assembler::Operand::Imm64(op.property().value()));
m_assembler.mov(
Assembler::Operand::Register(ARG3),
Assembler::Operand::Imm64(op.cache_index()));
m_assembler.native_call((void*)cxx_get_by_id);
store_vm_register(Bytecode::Register::accumulator(), RET);
check_exception();
}
OwnPtr<NativeExecutable> Compiler::compile(Bytecode::Executable& bytecode_executable)
{
if (getenv("LIBJS_NO_JIT"))
@ -430,6 +450,9 @@ OwnPtr<NativeExecutable> Compiler::compile(Bytecode::Executable& bytecode_execut
case Bytecode::Instruction::Type::NewString:
compiler.compile_new_string(static_cast<Bytecode::Op::NewString const&>(op));
break;
case Bytecode::Instruction::Type::GetById:
compiler.compile_get_by_id(static_cast<Bytecode::Op::GetById const&>(op));
break;
#define DO_COMPILE_COMMON_BINARY_OP(TitleCaseName, snake_case_name) \
case Bytecode::Instruction::Type::TitleCaseName: \