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thumb32: Implement UXTB

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This commit is contained in:
Lioncash 2021-02-10 16:22:22 -05:00
parent ad5d0d7b77
commit d97369c252
3 changed files with 14 additions and 1 deletions
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12
src/frontend/A32/translate/impl/thumb32_data_processing_register.cpp
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@ -90,6 +90,18 @@ bool ThumbTranslatorVisitor::thumb32_SXTAH(Reg n, Reg d, SignExtendRotation rota
return true;
}
bool ThumbTranslatorVisitor::thumb32_UXTB(Reg d, SignExtendRotation rotate, Reg m) {
if (d == Reg::PC || m == Reg::PC) {
return UnpredictableInstruction();
}
const auto rotated = Rotate(ir, m, rotate);
const auto result = ir.ZeroExtendByteToWord(ir.LeastSignificantByte(rotated));
ir.SetRegister(d, result);
return true;
}
bool ThumbTranslatorVisitor::thumb32_UXTB16(Reg d, SignExtendRotation rotate, Reg m) {
if (d == Reg::PC || m == Reg::PC) {
return UnpredictableInstruction();