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LibJS/Bytecode: Add fast paths for equality checks with same-tag values

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This commit is contained in:
Andreas Kling 2024-03-04 09:34:30 +01:00
parent 795149e585
commit 55e9df4954
2 changed files with 22 additions and 4 deletions
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24
Userland/Libraries/LibJS/Bytecode/Interpreter.cpp
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@ -119,23 +119,39 @@ NonnullOwnPtr<CallFrame> CallFrame::create(size_t register_count)
return call_frame;
}
static ThrowCompletionOr<Value> loosely_inequals(VM& vm, Value src1, Value src2)
ALWAYS_INLINE static ThrowCompletionOr<Value> loosely_inequals(VM& vm, Value src1, Value src2)
{
if (src1.tag() == src2.tag()) {
if (src1.is_int32() || src1.is_object() || src1.is_boolean() || src1.is_nullish())
return Value(src1.encoded() != src2.encoded());
}
return Value(!TRY(is_loosely_equal(vm, src1, src2)));
}
static ThrowCompletionOr<Value> loosely_equals(VM& vm, Value src1, Value src2)
ALWAYS_INLINE static ThrowCompletionOr<Value> loosely_equals(VM& vm, Value src1, Value src2)
{
if (src1.tag() == src2.tag()) {
if (src1.is_int32() || src1.is_object() || src1.is_boolean() || src1.is_nullish())
return Value(src1.encoded() == src2.encoded());
}
return Value(TRY(is_loosely_equal(vm, src1, src2)));
}
static ThrowCompletionOr<Value> strict_inequals(VM&, Value src1, Value src2)
ALWAYS_INLINE static ThrowCompletionOr<Value> strict_inequals(VM&, Value src1, Value src2)
{
if (src1.tag() == src2.tag()) {
if (src1.is_int32() || src1.is_object() || src1.is_boolean() || src1.is_nullish())
return Value(src1.encoded() != src2.encoded());
}
return Value(!is_strictly_equal(src1, src2));
}
static ThrowCompletionOr<Value> strict_equals(VM&, Value src1, Value src2)
ALWAYS_INLINE static ThrowCompletionOr<Value> strict_equals(VM&, Value src1, Value src2)
{
if (src1.tag() == src2.tag()) {
if (src1.is_int32() || src1.is_object() || src1.is_boolean() || src1.is_nullish())
return Value(src1.encoded() == src2.encoded());
}
return Value(is_strictly_equal(src1, src2));
}