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LibWasm: Implement all remaining comparison SIMD instructions

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Ali Mohammad Pur 2024-02-18 06:16:44 +03:30 • committed by Jelle Raaijmakers
parent b7a8081b0f
commit 56ba869c57
2 changed files with 99 additions and 0 deletions
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57
Userland/Libraries/LibWasm/AbstractMachine/Operators.h
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@ -267,6 +267,63 @@ struct VectorReplaceLane {
}
};
template<size_t VectorSize, typename Op, template<typename> typename SetSign = MakeSigned>
struct VectorCmpOp {
auto operator()(u128 c1, u128 c2) const
{
using ElementType = NativeIntegralType<128 / VectorSize>;
auto result = bit_cast<Native128ByteVectorOf<ElementType, SetSign>>(c1);
auto other = bit_cast<Native128ByteVectorOf<ElementType, SetSign>>(c2);
Op op;
for (size_t i = 0; i < VectorSize; ++i)
result[i] = op(result[i], other[i]) ? static_cast<MakeUnsigned<ElementType>>(-1) : 0;
return bit_cast<u128>(result);
}
static StringView name()
{
switch (VectorSize) {
case 16:
return "vec(8x16).cmp"sv;
case 8:
return "vec(16x8).cmp"sv;
case 4:
return "vec(32x4).cmp"sv;
case 2:
return "vec(64x2).cmp"sv;
default:
VERIFY_NOT_REACHED();
}
}
};
template<size_t VectorSize, typename Op>
struct VectorFloatCmpOp {
auto operator()(u128 c1, u128 c2) const
{
auto first = bit_cast<NativeFloatingVectorType<128, VectorSize, NativeFloatingType<128 / VectorSize>>>(c1);
auto other = bit_cast<NativeFloatingVectorType<128, VectorSize, NativeFloatingType<128 / VectorSize>>>(c2);
using ElementType = NativeIntegralType<128 / VectorSize>;
Native128ByteVectorOf<ElementType, MakeUnsigned> result;
Op op;
for (size_t i = 0; i < VectorSize; ++i)
result[i] = op(first[i], other[i]) ? static_cast<ElementType>(-1) : 0;
return bit_cast<u128>(result);
}
static StringView name()
{
switch (VectorSize) {
case 4:
return "vecf(32x4).cmp"sv;
case 2:
return "vecf(64x2).cmp"sv;
default:
VERIFY_NOT_REACHED();
}
}
};
struct Minimum {
template<typename Lhs, typename Rhs>
auto operator()(Lhs lhs, Rhs rhs) const