SwitchEmu/dynarmic
1
0
Fork 0
mirror of https://git.suyu.dev/suyu/dynarmic.git synced 2026-03-14 10:06:28 +00:00
Code Issues Packages Projects Releases Wiki Activity

A64: Implement FCVTL{2}

Browse Source
This commit is contained in:
Lioncash
2018-08-13 22:41:06 -04:00
committed by MerryMage
parent 7eb6be7a6a
commit 4c3d7c5a8d
2 changed files with 20 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
src/frontend/A64/translate/impl/simd_two_register_misc.cpp
View File

@@ -267,6 +267,25 @@ bool TranslatorVisitor::FCMLT_4(bool Q, bool sz, Vec Vn, Vec Vd) {
return FPCompareAgainstZero(*this, Q, sz, Vn, Vd, ComparisonType::LT);
}
bool TranslatorVisitor::FCVTL(bool Q, bool sz, Vec Vn, Vec Vd) {
// Half-precision not handled directly.
if (!sz) {
return InterpretThisInstruction();
}
const IR::U128 part = Vpart(64, Vn, Q);
IR::U128 result = ir.ZeroVector();
for (size_t i = 0; i < 2; i++) {
const IR::U64 element = ir.FPSingleToDouble(ir.VectorGetElement(32, part, i), true);
result = ir.VectorSetElement(64, result, i, element);
}
V(128, Vd, result);
return true;
}
bool TranslatorVisitor::FCVTNS_4(bool Q, bool sz, Vec Vn, Vec Vd) {
return FloatConvertToInteger(*this, Q, sz, Vn, Vd, Signedness::Signed, FP::RoundingMode::ToNearest_TieEven);
}