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A64: Implement FMAX's vector single and double precision variants

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Lioncash 2018-07-07 15:38:18 -04:00 committed by MerryMage
parent 009879d92b
commit c778c7b868
2 changed files with 34 additions and 13 deletions
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2
src/frontend/A64/decoder/a64.inc
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@ -727,7 +727,7 @@ INST(ADDP_vec, "ADDP (vector)", "0Q001
//INST(FMAXNM_2, "FMAXNM (vector)", "0Q0011100z1mmmmm110001nnnnnddddd")
INST(FMLA_vec_2, "FMLA (vector)", "0Q0011100z1mmmmm110011nnnnnddddd")
INST(FADD_2, "FADD (vector)", "0Q0011100z1mmmmm110101nnnnnddddd")
//INST(FMAX_2, "FMAX (vector)", "0Q0011100z1mmmmm111101nnnnnddddd")
INST(FMAX_2, "FMAX (vector)", "0Q0011100z1mmmmm111101nnnnnddddd")
//INST(FMULX_vec_4, "FMULX", "0Q0011100z1mmmmm110111nnnnnddddd")
INST(FCMEQ_reg_4, "FCMEQ (register)", "0Q0011100z1mmmmm111001nnnnnddddd")
//INST(FMLAL_vec_1, "FMLAL, FMLAL2 (vector)", "0Q0011100z1mmmmm111011nnnnnddddd")

45
src/frontend/A64/translate/impl/simd_three_same.cpp
View file

@ -145,6 +145,34 @@ bool FPCompareRegister(TranslatorVisitor& v, bool Q, bool sz, Vec Vm, Vec Vn, Ve
v.V(datasize, Vd, result);
return true;
}
enum class MinMaxOperation {
Min,
Max,
};
bool FPMinMaxOperation(TranslatorVisitor& v, bool Q, bool sz, Vec Vm, Vec Vn, Vec Vd, MinMaxOperation operation) {
if (sz && !Q) {
return v.ReservedValue();
}
const size_t esize = sz ? 64 : 32;
const size_t datasize = Q ? 128 : 64;
const IR::U128 operand1 = v.V(datasize, Vn);
const IR::U128 operand2 = v.V(datasize, Vm);
const IR::U128 result = [&] {
if (operation == MinMaxOperation::Min) {
return v.ir.FPVectorMin(esize, operand1, operand2);
}
return v.ir.FPVectorMax(esize, operand1, operand2);
}();
v.V(datasize, Vd, result);
return true;
}
} // Anonymous namespace
bool TranslatorVisitor::CMGT_reg_2(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd) {
@ -743,19 +771,12 @@ bool TranslatorVisitor::EOR_asimd(bool Q, Vec Vm, Vec Vn, Vec Vd) {
return true;
}
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::FMIN_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;
const IR::U128 operand1 = V(datasize, Vn);
const IR::U128 operand2 = V(datasize, Vm);
const IR::U128 result = ir.FPVectorMin(esize, operand1, operand2);
V(datasize, Vd, result);
return true;
return FPMinMaxOperation(*this, Q, sz, Vm, Vn, Vd, MinMaxOperation::Min);
}
bool TranslatorVisitor::FADDP_vec_2(bool Q, bool sz, Vec Vm, Vec Vn, Vec Vd) {