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LibJS/Bytecode: Add fast paths for many binary expression instructions

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By handling common cases like Int32 arithmetic directly in the
instruction handler, we can avoid the cost of calling the generic helper
functions in Value.cpp.
This commit is contained in:
Andreas Kling 2024-02-20 11:59:46 +01:00
parent 9d9b737a58
commit da107ec9fb
2 changed files with 221 additions and 32 deletions
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49
Userland/Libraries/LibJS/Bytecode/Op.h
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@ -51,30 +51,32 @@ private:
Operand m_src;
};
#define JS_ENUMERATE_COMMON_BINARY_OPS(O) \
O(Add, add) \
O(Sub, sub) \
O(Mul, mul) \
O(Div, div) \
O(Exp, exp) \
O(Mod, mod) \
O(In, in) \
O(InstanceOf, instance_of) \
O(GreaterThan, greater_than) \
O(GreaterThanEquals, greater_than_equals) \
O(LessThan, less_than) \
O(LessThanEquals, less_than_equals) \
O(LooselyInequals, loosely_inequals) \
O(LooselyEquals, loosely_equals) \
O(StrictlyInequals, strict_inequals) \
O(StrictlyEquals, strict_equals) \
O(BitwiseAnd, bitwise_and) \
O(BitwiseOr, bitwise_or) \
O(BitwiseXor, bitwise_xor) \
O(LeftShift, left_shift) \
O(RightShift, right_shift) \
#define JS_ENUMERATE_COMMON_BINARY_OPS_WITH_FAST_PATH(O) \
O(Add, add) \
O(BitwiseAnd, bitwise_and) \
O(BitwiseOr, bitwise_or) \
O(BitwiseXor, bitwise_xor) \
O(GreaterThan, greater_than) \
O(GreaterThanEquals, greater_than_equals) \
O(LessThan, less_than) \
O(LessThanEquals, less_than_equals) \
O(Mul, mul) \
O(RightShift, right_shift) \
O(Sub, sub) \
O(UnsignedRightShift, unsigned_right_shift)
#define JS_ENUMERATE_COMMON_BINARY_OPS_WITHOUT_FAST_PATH(O) \
O(Div, div) \
O(Exp, exp) \
O(Mod, mod) \
O(In, in) \
O(InstanceOf, instance_of) \
O(LooselyInequals, loosely_inequals) \
O(LooselyEquals, loosely_equals) \
O(StrictlyInequals, strict_inequals) \
O(StrictlyEquals, strict_equals) \
O(LeftShift, left_shift)
#define JS_DECLARE_COMMON_BINARY_OP(OpTitleCase, op_snake_case) \
class OpTitleCase final : public Instruction { \
public: \
@ -99,7 +101,8 @@ private:
Operand m_rhs; \
};
JS_ENUMERATE_COMMON_BINARY_OPS(JS_DECLARE_COMMON_BINARY_OP)
JS_ENUMERATE_COMMON_BINARY_OPS_WITHOUT_FAST_PATH(JS_DECLARE_COMMON_BINARY_OP)
JS_ENUMERATE_COMMON_BINARY_OPS_WITH_FAST_PATH(JS_DECLARE_COMMON_BINARY_OP)
#undef JS_DECLARE_COMMON_BINARY_OP
#define JS_ENUMERATE_COMMON_UNARY_OPS(O) \