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Code Issues Projects Releases Packages Wiki Activity Actions 10

LibWasm: Implement SIMD bitwise operations

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Diego 2024-07-10 13:42:46 -07:00 • committed by Ali Mohammad Pur
commit 625fbc8085
Notes: sideshowbarker 2024-07-17 11:06:06 +09:00
2 changed files with 29 additions and 3 deletions
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18
Userland/Libraries/LibWasm/AbstractMachine/BytecodeInterpreter.cpp
View file

@ -1548,12 +1548,24 @@ void BytecodeInterpreter::interpret(Configuration& configuration, InstructionPoi
return unary_operation<u128, u128, Operators::VectorFloatUnaryOp<2, Operators::Negate>>(configuration);
case Instructions::f64x2_abs.value():
return unary_operation<u128, u128, Operators::VectorFloatUnaryOp<2, Operators::Absolute>>(configuration);
case Instructions::v128_not.value():
case Instructions::v128_and.value():
case Instructions::v128_andnot.value():
return binary_numeric_operation<u128, u128, Operators::BitAnd>(configuration);
case Instructions::v128_or.value():
return binary_numeric_operation<u128, u128, Operators::BitOr>(configuration);
case Instructions::v128_xor.value():
case Instructions::v128_bitselect.value():
return binary_numeric_operation<u128, u128, Operators::BitXor>(configuration);
case Instructions::v128_not.value():
return unary_operation<u128, u128, Operators::BitNot>(configuration);
case Instructions::v128_andnot.value():
return binary_numeric_operation<u128, u128, Operators::BitAndNot>(configuration);
case Instructions::v128_bitselect.value(): {
auto mask = *configuration.stack().pop().get<Value>().to<u128>();
auto false_vector = *configuration.stack().pop().get<Value>().to<u128>();
auto true_vector = *configuration.stack().pop().get<Value>().to<u128>();
u128 result = (true_vector & mask) | (false_vector & ~mask);
configuration.stack().push(Value(result));
return;
}
case Instructions::v128_any_true.value():
case Instructions::v128_load8_lane.value():
case Instructions::v128_load16_lane.value():

14
Userland/Libraries/LibWasm/AbstractMachine/Operators.h
View file

@ -96,6 +96,20 @@ struct BitShiftRight {
static StringView name() { return ">>"sv; }
};
struct BitAndNot {
template<typename Lhs, typename Rhs>
auto operator()(Lhs lhs, Rhs rhs) const { return lhs & ~rhs; }
static StringView name() { return "andnot"sv; }
};
struct BitNot {
template<typename Lhs>
auto operator()(Lhs lhs) const { return ~lhs; }
static StringView name() { return "~"sv; }
};
struct BitRotateLeft {
template<typename Lhs, typename Rhs>
auto operator()(Lhs lhs, Rhs rhs) const