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A64: Implement SHADD

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Lioncash 2018-05-04 09:06:01 -04:00 • committed by MerryMage
parent 089096948a
commit f8714f7250
2 changed files with 17 additions and 1 deletions
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16
src/frontend/A64/translate/impl/simd_three_same.cpp
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@ -183,6 +183,22 @@ bool TranslatorVisitor::RSUBHN(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd) {
return true;
}
bool TranslatorVisitor::SHADD(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd) {
if (size == 0b11) {
return ReservedValue();
}
const size_t datasize = Q ? 128 : 64;
const size_t esize = 8 << size.ZeroExtend();
const IR::U128 operand1 = V(datasize, Vn);
const IR::U128 operand2 = V(datasize, Vm);
const IR::U128 result = ir.VectorHalvingAddSigned(esize, operand1, operand2);
V(datasize, Vd, result);
return true;
}
bool TranslatorVisitor::ADDP_vec(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd) {
if (size == 0b11 && !Q) return ReservedValue();
const size_t esize = 8 << size.ZeroExtend<size_t>();