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simd_permute: Implement VectorUnzip with deinterleave lower

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This commit is contained in:
MerryMage 2020-07-04 10:16:41 +01:00
parent f35aaa017c
commit d9914b1d51
1 changed files with 3 additions and 10 deletions
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13
src/frontend/A64/translate/impl/simd_permute.cpp
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@ -44,16 +44,9 @@ bool VectorUnzip(TranslatorVisitor& v, bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec
const IR::U128 n = v.V(datasize, Vn);
const IR::U128 m = v.V(datasize, Vm);
IR::U128 result = [&] {
if (type == UnzipType::Even) {
return v.ir.VectorDeinterleaveEven(esize, n, m);
}
return v.ir.VectorDeinterleaveOdd(esize, n, m);
}();
if (datasize == 64) {
result = v.ir.VectorShuffleWords(result, 0b11011000);
}
const IR::U128 result = type == UnzipType::Even
? (Q ? v.ir.VectorDeinterleaveEven(esize, n, m) : v.ir.VectorDeinterleaveEvenLower(esize, n, m))
: (Q ? v.ir.VectorDeinterleaveOdd(esize, n, m) : v.ir.VectorDeinterleaveOddLower(esize, n, m));
v.V(datasize, Vd, result);
return true;