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A64: Implement half-precision vector variants of FMLA/FMLS

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Lioncash 2019-04-13 01:48:22 -04:00 • committed by MerryMage
parent ec6b3ae084
commit d6606deda2
2 changed files with 32 additions and 2 deletions
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30
src/frontend/A64/translate/impl/simd_three_same.cpp
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@ -680,10 +680,24 @@ bool TranslatorVisitor::FADD_2(bool Q, bool sz, Vec Vm, Vec Vn, Vec Vd) {
return true;
}
bool TranslatorVisitor::FMLA_vec_1(bool Q, Vec Vm, Vec Vn, Vec Vd) {
const size_t datasize = Q ? 128 : 64;
const size_t esize = 16;
const IR::U128 operand1 = V(datasize, Vn);
const IR::U128 operand2 = V(datasize, Vm);
const IR::U128 operand3 = V(datasize, Vd);
const IR::U128 result = ir.FPVectorMulAdd(esize, operand3, operand1, operand2);
V(datasize, Vd, result);
return true;
}
bool TranslatorVisitor::FMLA_vec_2(bool Q, bool sz, Vec Vm, Vec Vn, Vec Vd) {
if (sz && !Q) {
return ReservedValue();
}
const size_t esize = sz ? 64 : 32;
const size_t datasize = Q ? 128 : 64;
@ -691,6 +705,20 @@ bool TranslatorVisitor::FMLA_vec_2(bool Q, bool sz, Vec Vm, Vec Vn, Vec Vd) {
const IR::U128 operand2 = V(datasize, Vm);
const IR::U128 operand3 = V(datasize, Vd);
const IR::U128 result = ir.FPVectorMulAdd(esize, operand3, operand1, operand2);
V(datasize, Vd, result);
return true;
}
bool TranslatorVisitor::FMLS_vec_1(bool Q, Vec Vm, Vec Vn, Vec Vd) {
const size_t datasize = Q ? 128 : 64;
const size_t esize = 16;
const IR::U128 operand1 = V(datasize, Vn);
const IR::U128 operand2 = V(datasize, Vm);
const IR::U128 operand3 = V(datasize, Vd);
const IR::U128 result = ir.FPVectorMulAdd(esize, operand3, ir.FPVectorNeg(esize, operand1), operand2);
V(datasize, Vd, result);
return true;
}
@ -699,6 +727,7 @@ bool TranslatorVisitor::FMLS_vec_2(bool Q, bool sz, Vec Vm, Vec Vn, Vec Vd) {
if (sz && !Q) {
return ReservedValue();
}
const size_t esize = sz ? 64 : 32;
const size_t datasize = Q ? 128 : 64;
@ -706,6 +735,7 @@ bool TranslatorVisitor::FMLS_vec_2(bool Q, bool sz, Vec Vm, Vec Vn, Vec Vd) {
const IR::U128 operand2 = V(datasize, Vm);
const IR::U128 operand3 = V(datasize, Vd);
const IR::U128 result = ir.FPVectorMulAdd(esize, operand3, ir.FPVectorNeg(esize, operand1), operand2);
V(datasize, Vd, result);
return true;
}