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A64: Implement FMAXNM and FMINNM vector variants.

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Currently we can implement these in terms of the scalar IR variants.
This commit is contained in:
Lioncash
2018-08-16 11:00:59 -04:00
committed by MerryMage
parent 8b65ea68c0
commit 7eb6be7a6a
2 changed files with 36 additions and 2 deletions
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34
src/frontend/A64/translate/impl/simd_three_same.cpp
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@@ -208,6 +208,32 @@ bool FPMinMaxOperation(TranslatorVisitor& v, bool Q, bool sz, Vec Vm, Vec Vn, Ve
return true;
}
bool FPMinMaxNumericOperation(TranslatorVisitor& v, bool Q, bool sz, Vec Vm, Vec Vn, Vec Vd,
IR::U32U64 (IREmitter::* fn)(const IR::U32U64&, const IR::U32U64&, bool)) {
if (sz && !Q) {
return v.ReservedValue();
}
const size_t esize = sz ? 64 : 32;
const size_t datasize = Q ? 128 : 64;
const size_t elements = datasize / esize;
const IR::U128 operand1 = v.V(datasize, Vn);
const IR::U128 operand2 = v.V(datasize, Vm);
IR::U128 result = v.ir.ZeroVector();
for (size_t i = 0; i < elements; i++) {
const IR::UAny elem1 = v.ir.VectorGetElement(esize, operand1, i);
const IR::UAny elem2 = v.ir.VectorGetElement(esize, operand2, i);
const IR::UAny result_elem = (v.ir.*fn)(elem1, elem2, true);
result = v.ir.VectorSetElement(esize, result, i, result_elem);
}
v.V(datasize, Vd, result);
return true;
}
bool PairedMinMaxOperation(TranslatorVisitor& v, bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd,
MinMaxOperation operation, Signedness sign) {
if (size == 0b11) {
@@ -930,6 +956,10 @@ bool TranslatorVisitor::FMAX_2(bool Q, bool sz, Vec Vm, Vec Vn, Vec Vd) {
return FPMinMaxOperation(*this, Q, sz, Vm, Vn, Vd, MinMaxOperation::Max);
}
bool TranslatorVisitor::FMAXNM_2(bool Q, bool sz, Vec Vm, Vec Vn, Vec Vd) {
return FPMinMaxNumericOperation(*this, Q, sz, Vm, Vn, Vd, &IREmitter::FPMaxNumeric);
}
bool TranslatorVisitor::FMAXNMP_vec_2(bool Q, bool sz, Vec Vm, Vec Vn, Vec Vd) {
return FPPairedMinMax(*this, Q, sz, Vm, Vn, Vd, &IREmitter::FPMaxNumeric);
}
@@ -942,6 +972,10 @@ bool TranslatorVisitor::FMIN_2(bool Q, bool sz, Vec Vm, Vec Vn, Vec Vd) {
return FPMinMaxOperation(*this, Q, sz, Vm, Vn, Vd, MinMaxOperation::Min);
}
bool TranslatorVisitor::FMINNM_2(bool Q, bool sz, Vec Vm, Vec Vn, Vec Vd) {
return FPMinMaxNumericOperation(*this, Q, sz, Vm, Vn, Vd, &IREmitter::FPMinNumeric);
}
bool TranslatorVisitor::FMINNMP_vec_2(bool Q, bool sz, Vec Vm, Vec Vn, Vec Vd) {
return FPPairedMinMax(*this, Q, sz, Vm, Vn, Vd, &IREmitter::FPMinNumeric);
}