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LibJS: Add bytecode instructions for modulo and exponentiation

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This commit is contained in:
Gunnar Beutner 2021-06-07 19:37:23 +02:00 committed by Andreas Kling
parent 6af9d87258
commit 55f0791b13
4 changed files with 66 additions and 0 deletions
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6
Userland/Libraries/LibJS/Bytecode/ASTCodegen.cpp
View file

@ -55,6 +55,12 @@ Optional<Bytecode::Register> BinaryExpression::generate_bytecode(Bytecode::Gener
case BinaryOp::Division:
generator.emit<Bytecode::Op::Div>(dst_reg, *lhs_reg, *rhs_reg);
return dst_reg;
case BinaryOp::Modulo:
generator.emit<Bytecode::Op::Mod>(dst_reg, *lhs_reg, *rhs_reg);
return dst_reg;
case BinaryOp::Exponentiation:
generator.emit<Bytecode::Op::Exp>(dst_reg, *lhs_reg, *rhs_reg);
return dst_reg;
case BinaryOp::LessThan:
generator.emit<Bytecode::Op::LessThan>(dst_reg, *lhs_reg, *rhs_reg);
return dst_reg;

2
Userland/Libraries/LibJS/Bytecode/Instruction.h
View file

@ -15,6 +15,8 @@
O(Sub) \
O(Mul) \
O(Div) \
O(Mod) \
O(Exp) \
O(LessThan) \
O(AbstractInequals) \
O(AbstractEquals) \

20
Userland/Libraries/LibJS/Bytecode/Op.cpp
View file

@ -72,6 +72,16 @@ void Div::execute(Bytecode::Interpreter& interpreter) const
interpreter.reg(m_dst) = div(interpreter.global_object(), interpreter.reg(m_src1), interpreter.reg(m_src2));
}
void Mod::execute(Bytecode::Interpreter& interpreter) const
{
interpreter.reg(m_dst) = mod(interpreter.global_object(), interpreter.reg(m_src1), interpreter.reg(m_src2));
}
void Exp::execute(Bytecode::Interpreter& interpreter) const
{
interpreter.reg(m_dst) = exp(interpreter.global_object(), interpreter.reg(m_src1), interpreter.reg(m_src2));
}
void LessThan::execute(Bytecode::Interpreter& interpreter) const
{
interpreter.reg(m_dst) = less_than(interpreter.global_object(), interpreter.reg(m_src1), interpreter.reg(m_src2));
@ -213,6 +223,16 @@ String Div::to_string() const
return String::formatted("Div dst:{}, src1:{}, src2:{}", m_dst, m_src1, m_src2);
}
String Mod::to_string() const
{
return String::formatted("Mod dst:{}, src1:{}, src2:{}", m_dst, m_src1, m_src2);
}
String Exp::to_string() const
{
return String::formatted("Exp dst:{}, src1:{}, src2:{}", m_dst, m_src1, m_src2);
}
String LessThan::to_string() const
{
return String::formatted("LessThan dst:{}, src1:{}, src2:{}", m_dst, m_src1, m_src2);

38
Userland/Libraries/LibJS/Bytecode/Op.h
View file

@ -108,6 +108,44 @@ private:
Register m_src2;
};
class Mod final : public Instruction {
public:
Mod(Register dst, Register src1, Register src2)
: Instruction(Type::Mod)
, m_dst(dst)
, m_src1(src1)
, m_src2(src2)
{
}
void execute(Bytecode::Interpreter&) const;
String to_string() const;
private:
Register m_dst;
Register m_src1;
Register m_src2;
};
class Exp final : public Instruction {
public:
Exp(Register dst, Register src1, Register src2)
: Instruction(Type::Exp)
, m_dst(dst)
, m_src1(src1)
, m_src2(src2)
{
}
void execute(Bytecode::Interpreter&) const;
String to_string() const;
private:
Register m_dst;
Register m_src1;
Register m_src2;
};
class LessThan final : public Instruction {
public:
LessThan(Register dst, Register src1, Register src2)