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simd_three_same: Join FPAbsoluteComparison() into FPCompareRegister()

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These are part of the same comparison family, so there's no real point
in keeping them separate.
This commit is contained in:
Lioncash 2018-07-13 18:58:39 -04:00 committed by MerryMage
parent 9912836b59
commit 245c903129
1 changed files with 13 additions and 29 deletions
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42
src/frontend/A64/translate/impl/simd_three_same.cpp
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@ -100,7 +100,9 @@ bool RoundingHalvingAdd(TranslatorVisitor& v, bool Q, Imm<2> size, Vec Vm, Vec V
enum class ComparisonType { enum class ComparisonType {
EQ, EQ,
GE, GE,
GT AbsoluteGE,
GT,
AbsoluteGT
}; };
bool FPCompareRegister(TranslatorVisitor& v, bool Q, bool sz, Vec Vm, Vec Vn, Vec Vd, ComparisonType type) { bool FPCompareRegister(TranslatorVisitor& v, bool Q, bool sz, Vec Vm, Vec Vn, Vec Vd, ComparisonType type) {
@ -119,8 +121,16 @@ bool FPCompareRegister(TranslatorVisitor& v, bool Q, bool sz, Vec Vm, Vec Vn, Ve
return v.ir.FPVectorEqual(esize, operand1, operand2); return v.ir.FPVectorEqual(esize, operand1, operand2);
case ComparisonType::GE: case ComparisonType::GE:
return v.ir.FPVectorGreaterEqual(esize, operand1, operand2); return v.ir.FPVectorGreaterEqual(esize, operand1, operand2);
case ComparisonType::AbsoluteGE:
return v.ir.FPVectorGreaterEqual(esize,
v.ir.FPVectorAbs(esize, operand1),
v.ir.FPVectorAbs(esize, operand2));
case ComparisonType::GT: case ComparisonType::GT:
return v.ir.FPVectorGreater(esize, operand1, operand2); return v.ir.FPVectorGreater(esize, operand1, operand2);
case ComparisonType::AbsoluteGT:
return v.ir.FPVectorGreater(esize,
v.ir.FPVectorAbs(esize, operand1),
v.ir.FPVectorAbs(esize, operand2));
} }
UNREACHABLE(); UNREACHABLE();
@ -130,32 +140,6 @@ bool FPCompareRegister(TranslatorVisitor& v, bool Q, bool sz, Vec Vm, Vec Vn, Ve
v.V(datasize, Vd, result); v.V(datasize, Vd, result);
return true; return true;
} }
enum class AbsoluteComparison {
GE,
GT,
};
bool FPAbsoluteComparison(TranslatorVisitor& v, bool Q, bool sz, Vec Vm, Vec Vn, Vec Vd, AbsoluteComparison type) {
if (sz && !Q) {
return v.ReservedValue();
}
const size_t datasize = Q ? 128 : 64;
const size_t esize = sz ? 64 : 32;
const IR::U128 operand1 = v.ir.FPVectorAbs(esize, v.V(datasize, Vn));
const IR::U128 operand2 = v.ir.FPVectorAbs(esize, v.V(datasize, Vm));
const IR::U128 result = [&] {
if (type == AbsoluteComparison::GT)
return v.ir.FPVectorGreater(esize, operand1, operand2);
return v.ir.FPVectorGreaterEqual(esize, operand1, operand2);
}();
v.V(datasize, Vd, result);
return true;
}
} // Anonymous namespace } // Anonymous namespace
bool TranslatorVisitor::CMGT_reg_2(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd) { bool TranslatorVisitor::CMGT_reg_2(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd) {
@ -407,11 +391,11 @@ bool TranslatorVisitor::FABD_4(bool Q, bool sz, Vec Vm, Vec Vn, Vec Vd) {
} }
bool TranslatorVisitor::FACGE_4(bool Q, bool sz, Vec Vm, Vec Vn, Vec Vd) { bool TranslatorVisitor::FACGE_4(bool Q, bool sz, Vec Vm, Vec Vn, Vec Vd) {
return FPAbsoluteComparison(*this, Q, sz, Vm, Vn, Vd, AbsoluteComparison::GE); return FPCompareRegister(*this, Q, sz, Vm, Vn, Vd, ComparisonType::AbsoluteGE);
} }
bool TranslatorVisitor::FACGT_4(bool Q, bool sz, Vec Vm, Vec Vn, Vec Vd) { bool TranslatorVisitor::FACGT_4(bool Q, bool sz, Vec Vm, Vec Vn, Vec Vd) {
return FPAbsoluteComparison(*this, Q, sz, Vm, Vn, Vd, AbsoluteComparison::GT); return FPCompareRegister(*this, Q, sz, Vm, Vn, Vd, ComparisonType::AbsoluteGT);
} }
bool TranslatorVisitor::FADD_2(bool Q, bool sz, Vec Vm, Vec Vn, Vec Vd) { bool TranslatorVisitor::FADD_2(bool Q, bool sz, Vec Vm, Vec Vn, Vec Vd) {