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thumb32: Implement SHASX/UHASX

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This commit is contained in:
Lioncash
2021-02-01 17:16:28 -05:00
parent 94f8efbb03
commit f0a219fcd0
4 changed files with 34 additions and 2 deletions
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26
src/frontend/A32/translate/impl/thumb32_parallel.cpp
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@@ -375,6 +375,19 @@ bool ThumbTranslatorVisitor::thumb32_SHADD16(Reg n, Reg d, Reg m) {
return true;
}
bool ThumbTranslatorVisitor::thumb32_SHASX(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.PackedHalvingAddSubS16(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();
@@ -388,4 +401,17 @@ bool ThumbTranslatorVisitor::thumb32_UHADD16(Reg n, Reg d, Reg m) {
return true;
}
bool ThumbTranslatorVisitor::thumb32_UHASX(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.PackedHalvingAddSubU16(reg_n, reg_m);
ir.SetRegister(d, result);
return true;
}
} // namespace Dynarmic::A32

2
src/frontend/A32/translate/impl/translate_thumb.h
View File

@@ -156,7 +156,9 @@ struct ThumbTranslatorVisitor final {
bool thumb32_UQSUB16(Reg n, Reg d, Reg m);
bool thumb32_SHADD16(Reg n, Reg d, Reg m);
bool thumb32_SHASX(Reg n, Reg d, Reg m);
bool thumb32_UHADD16(Reg n, Reg d, Reg m);
bool thumb32_UHASX(Reg n, Reg d, Reg m);
};
} // namespace Dynarmic::A32