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A64: Implement scalar double/single-precision variants of FACGE, FACGT, FCMEQ, FCMGE, FCMGT

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Lioncash 2018-07-13 18:37:10 -04:00 committed by MerryMage
parent 0b97e9bd8d
commit 9912836b59
2 changed files with 65 additions and 5 deletions
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10
src/frontend/A64/decoder/a64.inc
View file

@ -341,21 +341,21 @@ INST(DUP_elt_1, "DUP (element)", "01011
//INST(FMULX_vec_1, "FMULX", "01011110010mmmmm000111nnnnnddddd")
//INST(FMULX_vec_2, "FMULX", "010111100z1mmmmm110111nnnnnddddd")
//INST(FCMEQ_reg_1, "FCMEQ (register)", "01011110010mmmmm001001nnnnnddddd")
//INST(FCMEQ_reg_2, "FCMEQ (register)", "010111100z1mmmmm111001nnnnnddddd")
INST(FCMEQ_reg_2, "FCMEQ (register)", "010111100z1mmmmm111001nnnnnddddd")
//INST(FRECPS_1, "FRECPS", "01011110010mmmmm001111nnnnnddddd")
//INST(FRECPS_2, "FRECPS", "010111100z1mmmmm111111nnnnnddddd")
//INST(FRSQRTS_1, "FRSQRTS", "01011110110mmmmm001111nnnnnddddd")
//INST(FRSQRTS_2, "FRSQRTS", "010111101z1mmmmm111111nnnnnddddd")
//INST(FCMGE_reg_1, "FCMGE (register)", "01111110010mmmmm001001nnnnnddddd")
//INST(FCMGE_reg_2, "FCMGE (register)", "011111100z1mmmmm111001nnnnnddddd")
INST(FCMGE_reg_2, "FCMGE (register)", "011111100z1mmmmm111001nnnnnddddd")
//INST(FACGE_1, "FACGE", "01111110010mmmmm001011nnnnnddddd")
//INST(FACGE_2, "FACGE", "011111100z1mmmmm111011nnnnnddddd")
INST(FACGE_2, "FACGE", "011111100z1mmmmm111011nnnnnddddd")
//INST(FABD_1, "FABD", "01111110110mmmmm000101nnnnnddddd")
INST(FABD_2, "FABD", "011111101z1mmmmm110101nnnnnddddd")
//INST(FCMGT_reg_1, "FCMGT (register)", "01111110110mmmmm001001nnnnnddddd")
//INST(FCMGT_reg_2, "FCMGT (register)", "011111101z1mmmmm111001nnnnnddddd")
INST(FCMGT_reg_2, "FCMGT (register)", "011111101z1mmmmm111001nnnnnddddd")
//INST(FACGT_1, "FACGT", "01111110110mmmmm001011nnnnnddddd")
//INST(FACGT_2, "FACGT", "011111101z1mmmmm111011nnnnnddddd")
INST(FACGT_2, "FACGT", "011111101z1mmmmm111011nnnnnddddd")
// Data Processing - FP and SIMD - Scalar two register misc
//INST(FCVTNS_1, "FCVTNS (vector)", "0101111001111001101010nnnnnddddd")

60
src/frontend/A64/translate/impl/simd_scalar_three_same.cpp
View file

@ -60,6 +60,46 @@ bool ScalarCompare(TranslatorVisitor& v, Imm<2> size, boost::optional<Vec> Vm, V
v.V_scalar(datasize, Vd, v.ir.VectorGetElement(esize, result, 0));
return true;
}
enum class FPComparisonType {
EQ,
GE,
AbsoluteGE,
GT,
AbsoluteGT
};
bool ScalarFPCompareRegister(TranslatorVisitor& v, bool sz, Vec Vm, Vec Vn, Vec Vd, FPComparisonType type) {
const size_t esize = sz ? 64 : 32;
const size_t datasize = esize;
const IR::U128 operand1 = v.V(datasize, Vn);
const IR::U128 operand2 = v.V(datasize, Vm);
const IR::U128 result = [&] {
switch (type) {
case FPComparisonType::EQ:
return v.ir.FPVectorEqual(esize, operand1, operand2);
case FPComparisonType::GE:
return v.ir.FPVectorGreaterEqual(esize, operand1, operand2);
case FPComparisonType::AbsoluteGE:
return v.ir.FPVectorGreaterEqual(esize,
v.ir.FPVectorAbs(esize, operand1),
v.ir.FPVectorAbs(esize, operand2));
case FPComparisonType::GT:
return v.ir.FPVectorGreater(esize, operand1, operand2);
case FPComparisonType::AbsoluteGT:
return v.ir.FPVectorGreater(esize,
v.ir.FPVectorAbs(esize, operand1),
v.ir.FPVectorAbs(esize, operand2));
}
UNREACHABLE();
return IR::U128{};
}();
v.V_scalar(datasize, Vd, v.ir.VectorGetElement(esize, result, 0));
return true;
}
} // Anonymous namespace
bool TranslatorVisitor::ADD_1(Imm<2> size, Vec Vm, Vec Vn, Vec Vd) {
@ -142,6 +182,26 @@ bool TranslatorVisitor::FABD_2(bool sz, Vec Vm, Vec Vn, Vec Vd) {
return true;
}
bool TranslatorVisitor::FACGE_2(bool sz, Vec Vm, Vec Vn, Vec Vd) {
return ScalarFPCompareRegister(*this, sz, Vm, Vn, Vd, FPComparisonType::AbsoluteGE);
}
bool TranslatorVisitor::FACGT_2(bool sz, Vec Vm, Vec Vn, Vec Vd) {
return ScalarFPCompareRegister(*this, sz, Vm, Vn, Vd, FPComparisonType::AbsoluteGT);
}
bool TranslatorVisitor::FCMEQ_reg_2(bool sz, Vec Vm, Vec Vn, Vec Vd) {
return ScalarFPCompareRegister(*this, sz, Vm, Vn, Vd, FPComparisonType::EQ);
}
bool TranslatorVisitor::FCMGE_reg_2(bool sz, Vec Vm, Vec Vn, Vec Vd) {
return ScalarFPCompareRegister(*this, sz, Vm, Vn, Vd, FPComparisonType::GE);
}
bool TranslatorVisitor::FCMGT_reg_2(bool sz, Vec Vm, Vec Vn, Vec Vd) {
return ScalarFPCompareRegister(*this, sz, Vm, Vn, Vd, FPComparisonType::GT);
}
bool TranslatorVisitor::SSHL_1(Imm<2> size, Vec Vm, Vec Vn, Vec Vd) {
if (size != 0b11) {
return ReservedValue();