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LibWasm: Implement 15 more SIMD instructions

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This commit is contained in:
Ali Mohammad Pur 2024-02-07 17:31:38 +03:30 • committed by Jelle Raaijmakers
parent e8bdb7e5f8
commit 82b7368de1
4 changed files with 327 additions and 10 deletions
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95
Userland/Libraries/LibWasm/AbstractMachine/Operators.h
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@ -172,6 +172,101 @@ struct VectorShiftRight {
}
};
struct VectorSwizzle {
auto operator()(u128 c1, u128 c2) const
{
// https://webassembly.github.io/spec/core/bikeshed/#-mathsfi8x16hrefsyntax-instr-vecmathsfswizzle%E2%91%A0
auto i = bit_cast<Native128ByteVectorOf<i8, MakeSigned>>(c2);
auto j = bit_cast<Native128ByteVectorOf<i8, MakeSigned>>(c1);
auto result = AK::SIMD::shuffle(i, j);
return bit_cast<u128>(result);
}
static StringView name() { return "vec(8x16).swizzle"sv; }
};
template<size_t VectorSize, template<typename> typename SetSign>
struct VectorExtractLane {
size_t lane;
auto operator()(u128 c) const
{
auto result = bit_cast<Native128ByteVectorOf<NativeIntegralType<128 / VectorSize>, SetSign>>(c);
return result[lane];
}
static StringView name()
{
switch (VectorSize) {
case 16:
return "vec(8x16).extract_lane"sv;
case 8:
return "vec(16x8).extract_lane"sv;
case 4:
return "vec(32x4).extract_lane"sv;
case 2:
return "vec(64x2).extract_lane"sv;
default:
VERIFY_NOT_REACHED();
}
}
};
template<size_t VectorSize>
struct VectorExtractLaneFloat {
size_t lane;
auto operator()(u128 c) const
{
auto result = bit_cast<NativeFloatingVectorType<128 / VectorSize, VectorSize>>(c);
return result[lane];
}
static StringView name()
{
switch (VectorSize) {
case 16:
return "vec(8x16).extract_lane"sv;
case 8:
return "vec(16x8).extract_lane"sv;
case 4:
return "vec(32x4).extract_lane"sv;
case 2:
return "vec(64x2).extract_lane"sv;
default:
VERIFY_NOT_REACHED();
}
}
};
template<size_t VectorSize, typename TrueValueType = NativeIntegralType<128 / VectorSize>>
struct VectorReplaceLane {
size_t lane;
using ValueType = Conditional<IsFloatingPoint<TrueValueType>, NativeFloatingType<128 / VectorSize>, NativeIntegralType<128 / VectorSize>>;
auto operator()(u128 c, TrueValueType value) const
{
auto result = bit_cast<Native128ByteVectorOf<ValueType, MakeUnsigned>>(c);
result[lane] = static_cast<ValueType>(value);
return bit_cast<u128>(result);
}
static StringView name()
{
switch (VectorSize) {
case 16:
return "vec(8x16).replace_lane"sv;
case 8:
return "vec(16x8).replace_lane"sv;
case 4:
return "vec(32x4).replace_lane"sv;
case 2:
return "vec(64x2).replace_lane"sv;
default:
VERIFY_NOT_REACHED();
}
}
};
struct Minimum {
template<typename Lhs, typename Rhs>
auto operator()(Lhs lhs, Rhs rhs) const