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thumb32: Implement SHADD16/UHADD16

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This commit is contained in:
Lioncash
2021-02-01 17:13:44 -05:00
parent aa49b0db89
commit 94f8efbb03
4 changed files with 35 additions and 2 deletions
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26
src/frontend/A32/translate/impl/thumb32_parallel.cpp
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@@ -362,4 +362,30 @@ bool ThumbTranslatorVisitor::thumb32_UQSUB16(Reg n, Reg d, Reg m) {
return true;
}
bool ThumbTranslatorVisitor::thumb32_SHADD16(Reg n, Reg d, Reg m) {
if (d == Reg::PC || n == Reg::PC || m == Reg::PC) {
return UnpredictableInstruction();
}
const auto reg_m = ir.GetRegister(m);
const auto reg_n = ir.GetRegister(n);
const auto result = ir.PackedHalvingAddS16(reg_n, reg_m);
ir.SetRegister(d, result);
return true;
}
bool ThumbTranslatorVisitor::thumb32_UHADD16(Reg n, Reg d, Reg m) {
if (d == Reg::PC || n == Reg::PC || m == Reg::PC) {
return UnpredictableInstruction();
}
const auto reg_m = ir.GetRegister(m);
const auto reg_n = ir.GetRegister(n);
const auto result = ir.PackedHalvingAddU16(reg_n, reg_m);
ir.SetRegister(d, result);
return true;
}
} // namespace Dynarmic::A32

3
src/frontend/A32/translate/impl/translate_thumb.h
View File

@@ -154,6 +154,9 @@ struct ThumbTranslatorVisitor final {
bool thumb32_UQSAX(Reg n, Reg d, Reg m);
bool thumb32_UQSUB8(Reg n, Reg d, Reg m);
bool thumb32_UQSUB16(Reg n, Reg d, Reg m);
bool thumb32_SHADD16(Reg n, Reg d, Reg m);
bool thumb32_UHADD16(Reg n, Reg d, Reg m);
};
} // namespace Dynarmic::A32