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LibJS/JIT: Add builtin for Math.exp()

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This commit is contained in:
Andreas Kling 2023-11-24 09:53:52 +01:00
parent 8447544e17
commit afeb551d57
4 changed files with 24 additions and 3 deletions
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1
Userland/Libraries/LibJS/Bytecode/Builtins.h
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@ -16,6 +16,7 @@ namespace JS::Bytecode {
O(MathAbs, math_abs, Math, abs, 1) \
O(MathLog, math_log, Math, log, 1) \
O(MathPow, math_pow, Math, pow, 2) \
O(MathExp, math_exp, Math, exp, 1) \
O(MathCeil, math_ceil, Math, ceil, 1) \
O(MathFloor, math_floor, Math, floor, 1) \
O(MathRound, math_round, Math, round, 1) \

13
Userland/Libraries/LibJS/JIT/Compiler.cpp
View file

@ -2702,6 +2702,19 @@ void Compiler::compile_builtin_math_round(Assembler::Label&, Assembler::Label& e
m_assembler.jump(end);
}
static Value cxx_math_exp(VM& vm, Value, Value value)
{
return TRY_OR_SET_EXCEPTION(MathObject::exp_impl(vm, value));
}
void Compiler::compile_builtin_math_exp(Assembler::Label&, Assembler::Label& end)
{
native_call((void*)cxx_math_exp);
store_accumulator(RET);
check_exception();
m_assembler.jump(end);
}
void Compiler::compile_builtin_math_abs(Assembler::Label& slow_case, Assembler::Label& end)
{
branch_if_int32(ARG2, [&] {

12
Userland/Libraries/LibJS/Runtime/MathObject.cpp
View file

@ -42,7 +42,7 @@ void MathObject::initialize(Realm& realm)
define_native_function(realm, vm.names.cos, cos, 1, attr);
define_native_function(realm, vm.names.tan, tan, 1, attr);
define_native_function(realm, vm.names.pow, pow, 2, attr, Bytecode::Builtin::MathPow);
define_native_function(realm, vm.names.exp, exp, 1, attr);
define_native_function(realm, vm.names.exp, exp, 1, attr, Bytecode::Builtin::MathExp);
define_native_function(realm, vm.names.expm1, expm1, 1, attr);
define_native_function(realm, vm.names.sign, sign, 1, attr);
define_native_function(realm, vm.names.clz32, clz32, 1, attr);
@ -422,10 +422,10 @@ JS_DEFINE_NATIVE_FUNCTION(MathObject::cosh)
}
// 21.3.2.14 Math.exp ( x ), https://tc39.es/ecma262/#sec-math.exp
JS_DEFINE_NATIVE_FUNCTION(MathObject::exp)
ThrowCompletionOr<Value> MathObject::exp_impl(VM& vm, Value x)
{
// 1. Let n be ? ToNumber(x).
auto number = TRY(vm.argument(0).to_number(vm));
auto number = TRY(x.to_number(vm));
// 2. If n is either NaN or +∞𝔽, return n.
if (number.is_nan() || number.is_positive_infinity())
@ -443,6 +443,12 @@ JS_DEFINE_NATIVE_FUNCTION(MathObject::exp)
return Value(::exp(number.as_double()));
}
// 21.3.2.14 Math.exp ( x ), https://tc39.es/ecma262/#sec-math.exp
JS_DEFINE_NATIVE_FUNCTION(MathObject::exp)
{
return exp_impl(vm, vm.argument(0));
}
// 21.3.2.15 Math.expm1 ( x ), https://tc39.es/ecma262/#sec-math.expm1
JS_DEFINE_NATIVE_FUNCTION(MathObject::expm1)
{

1
Userland/Libraries/LibJS/Runtime/MathObject.h
View file

@ -24,6 +24,7 @@ public:
static ThrowCompletionOr<Value> floor_impl(VM&, Value);
static ThrowCompletionOr<Value> ceil_impl(VM&, Value);
static ThrowCompletionOr<Value> round_impl(VM&, Value);
static ThrowCompletionOr<Value> exp_impl(VM&, Value);
private:
explicit MathObject(Realm&);