suyu/dynarmic
26
1
Fork 1
Code Issues Pull requests Projects Releases Packages Wiki Activity

A64: Remove more instances of use of VectorMultiply64

Browse source
This commit is contained in:
Merry 2023-02-11 12:09:56 +00:00
parent 082167feeb
commit a179e2f2bb
2 changed files with 11 additions and 26 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
src/dynarmic/frontend/A64/translate/impl/simd_three_different.cpp
View file

@ -55,21 +55,14 @@ bool MultiplyLong(TranslatorVisitor& v, bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec
const size_t datasize = 64; const size_t datasize = 64;
const size_t doubled_datasize = datasize * 2; const size_t doubled_datasize = datasize * 2;
const auto get_operands = [&] { IR::U128 result = [&] {
const auto p1 = v.Vpart(datasize, Vn, Q); const auto reg_n = v.Vpart(datasize, Vn, Q);
const auto p2 = v.Vpart(datasize, Vm, Q); const auto reg_m = v.Vpart(datasize, Vm, Q);
if (sign == Signedness::Signed) { return sign == Signedness::Signed
return std::make_pair(v.ir.VectorSignExtend(esize, p1), ? v.ir.VectorMultiplySignedWiden(esize, reg_n, reg_m)
v.ir.VectorSignExtend(esize, p2)); : v.ir.VectorMultiplyUnsignedWiden(esize, reg_n, reg_m);
} }();
return std::make_pair(v.ir.VectorZeroExtend(esize, p1),
v.ir.VectorZeroExtend(esize, p2));
};
const auto [operand1, operand2] = get_operands();
IR::U128 result = v.ir.VectorMultiply(doubled_esize, operand1, operand2);
if (behavior == MultiplyLongBehavior::Accumulate) { if (behavior == MultiplyLongBehavior::Accumulate) {
const IR::U128 addend = v.V(doubled_datasize, Vd); const IR::U128 addend = v.V(doubled_datasize, Vd);

16
src/dynarmic/frontend/A64/translate/impl/simd_vector_x_indexed_element.cpp
View file

@ -166,23 +166,15 @@ bool MultiplyLong(TranslatorVisitor& v, bool Q, Imm<2> size, Imm<1> L, Imm<1> M,
const size_t datasize = 64; const size_t datasize = 64;
const auto [index, Vm] = Combine(size, H, L, M, Vmlo); const auto [index, Vm] = Combine(size, H, L, M, Vmlo);
const auto extend_operands = [&](const IR::U128& lhs, const IR::U128& rhs) {
if (sign == Signedness::Signed) {
return std::make_pair(v.ir.VectorSignExtend(esize, lhs),
v.ir.VectorSignExtend(esize, rhs));
}
return std::make_pair(v.ir.VectorZeroExtend(esize, lhs),
v.ir.VectorZeroExtend(esize, rhs));
};
const IR::U128 operand1 = v.Vpart(datasize, Vn, Q); const IR::U128 operand1 = v.Vpart(datasize, Vn, Q);
const IR::U128 operand2 = v.V(idxsize, Vm); const IR::U128 operand2 = v.V(idxsize, Vm);
const IR::U128 index_vector = v.ir.VectorBroadcastElement(esize, operand2, index); const IR::U128 index_vector = v.ir.VectorBroadcastElement(esize, operand2, index);
const IR::U128 result = [&] { const IR::U128 result = [&] {
const auto [extended_op1, extended_index] = extend_operands(operand1, index_vector); const IR::U128 product = sign == Signedness::Signed
const IR::U128 product = v.ir.VectorMultiply(2 * esize, extended_op1, extended_index); ? v.ir.VectorMultiplySignedWiden(esize, operand1, index_vector)
: v.ir.VectorMultiplyUnsignedWiden(esize, operand1, index_vector);
if (extra_behavior == ExtraBehavior::None) { if (extra_behavior == ExtraBehavior::None) {
return product; return product;
} }