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A64: Implement half-precision variant of FRSQRTE's vector variant

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Lioncash 2019-04-13 18:39:54 -04:00 • committed by MerryMage
parent 77c84bcf9b
commit 7b212ec8ae
2 changed files with 12 additions and 1 deletions
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11
src/frontend/A64/translate/impl/simd_two_register_misc.cpp
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@ -548,6 +548,17 @@ bool TranslatorVisitor::FSQRT_2(bool Q, bool sz, Vec Vn, Vec Vd) {
return true;
}
bool TranslatorVisitor::FRSQRTE_3(bool Q, Vec Vn, Vec Vd) {
const size_t datasize = Q ? 128 : 64;
const size_t esize = 16;
const IR::U128 operand = V(datasize, Vn);
const IR::U128 result = ir.FPVectorRSqrtEstimate(esize, operand);
V(datasize, Vd, result);
return true;
}
bool TranslatorVisitor::FRSQRTE_4(bool Q, bool sz, Vec Vn, Vec Vd) {
if (sz && !Q) {
return ReservedValue();