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A64: Implement CMLT (zero)'s scalar single/double-precision variant

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Lioncash 2018-04-20 10:23:16 -04:00 • committed by MerryMage
parent 8863c9bb4b
commit 6534184df2
2 changed files with 9 additions and 2 deletions
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9
src/frontend/A64/translate/impl/simd_scalar_three_same.cpp
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@ -16,6 +16,7 @@ enum class ComparisonType {
GT,
HI,
HS,
LT,
};
enum class ComparisonVariant {
@ -46,8 +47,10 @@ bool ScalarCompare(TranslatorVisitor& v, Imm<2> size, boost::optional<Vec> Vm, V
case ComparisonType::HI:
return v.ir.VectorGreaterUnsigned(esize, operand1, operand2);
case ComparisonType::HS:
default:
return v.ir.VectorGreaterEqualUnsigned(esize, operand1, operand2);
case ComparisonType::LT:
default:
return v.ir.VectorLessSigned(esize, operand1, operand2);
}
}();
@ -94,6 +97,10 @@ bool TranslatorVisitor::CMGT_zero_1(Imm<2> size, Vec Vn, Vec Vd) {
return ScalarCompare(*this, size, {}, Vn, Vd, ComparisonType::GT, ComparisonVariant::Zero);
}
bool TranslatorVisitor::CMLT_1(Imm<2> size, Vec Vn, Vec Vd) {
return ScalarCompare(*this, size, {}, Vn, Vd, ComparisonType::LT, ComparisonVariant::Zero);
}
bool TranslatorVisitor::CMHI_1(Imm<2> size, Vec Vm, Vec Vn, Vec Vd) {
return ScalarCompare(*this, size, Vm, Vn, Vd, ComparisonType::HI, ComparisonVariant::Register);
}