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thumb32: Implement EOR (reg)

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This commit is contained in:
MerryMage 2021-03-06 19:19:46 +00:00
parent 158a13173c
commit d2d996e6ba
3 changed files with 20 additions and 1 deletions
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2
src/frontend/A32/decoder/thumb32.inc
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@ -37,7 +37,7 @@ INST(thumb32_ORR_reg, "ORR (reg)", "11101010010Snnnn0vvvdd
INST(thumb32_MVN_reg, "MVN (reg)", "11101010011S11110vvvddddvvttmmmm") INST(thumb32_MVN_reg, "MVN (reg)", "11101010011S11110vvvddddvvttmmmm")
INST(thumb32_ORN_reg, "ORN (reg)", "11101010011Snnnn0vvvddddvvttmmmm") INST(thumb32_ORN_reg, "ORN (reg)", "11101010011Snnnn0vvvddddvvttmmmm")
INST(thumb32_TEQ_reg, "TEQ (reg)", "111010101001nnnn0vvv1111vvttmmmm") INST(thumb32_TEQ_reg, "TEQ (reg)", "111010101001nnnn0vvv1111vvttmmmm")
//INST(thumb32_EOR_reg, "EOR (reg)", "11101010100---------------------") INST(thumb32_EOR_reg, "EOR (reg)", "11101010100Snnnn0vvvddddvvttmmmm")
//INST(thumb32_PKH, "PKH", "11101010110---------------------") //INST(thumb32_PKH, "PKH", "11101010110---------------------")
//INST(thumb32_CMN_reg, "CMN (reg)", "111010110001--------1111--------") //INST(thumb32_CMN_reg, "CMN (reg)", "111010110001--------1111--------")
//INST(thumb32_ADD_reg, "ADD (reg)", "11101011000---------------------") //INST(thumb32_ADD_reg, "ADD (reg)", "11101011000---------------------")

18
src/frontend/A32/translate/impl/thumb32_data_processing_shifted_register.cpp
View file

@ -137,4 +137,22 @@ bool ThumbTranslatorVisitor::thumb32_TEQ_reg(Reg n, Imm<3> imm3, Imm<2> imm2, Sh
return true; return true;
} }
bool ThumbTranslatorVisitor::thumb32_EOR_reg(bool S, Reg n, Imm<3> imm3, Reg d, Imm<2> imm2, ShiftType type, Reg m) {
ASSERT_MSG(!(d == Reg::PC && S), "Decode error");
if ((d == Reg::PC && !S) || n == Reg::PC || m == Reg::PC) {
return UnpredictableInstruction();
}
const auto shifted = EmitImmShift(ir.GetRegister(m), type, imm3, imm2, ir.GetCFlag());
const auto result = ir.Eor(ir.GetRegister(n), shifted.result);
ir.SetRegister(d, result);
if (S) {
ir.SetNFlag(ir.MostSignificantBit(result));
ir.SetZFlag(ir.IsZero(result));
ir.SetCFlag(shifted.carry);
}
return true;
}
} // namespace Dynarmic::A32 } // namespace Dynarmic::A32

1
src/frontend/A32/translate/impl/translate_thumb.h
View file

@ -180,6 +180,7 @@ struct ThumbTranslatorVisitor final {
bool thumb32_MVN_reg(bool S, Imm<3> imm3, Reg d, Imm<2> imm2, ShiftType type, Reg m); bool thumb32_MVN_reg(bool S, Imm<3> imm3, Reg d, Imm<2> imm2, ShiftType type, Reg m);
bool thumb32_ORN_reg(bool S, Reg n, Imm<3> imm3, Reg d, Imm<2> imm2, ShiftType type, Reg m); bool thumb32_ORN_reg(bool S, Reg n, Imm<3> imm3, Reg d, Imm<2> imm2, ShiftType type, Reg m);
bool thumb32_TEQ_reg(Reg n, Imm<3> imm3, Imm<2> imm2, ShiftType type, Reg m); bool thumb32_TEQ_reg(Reg n, Imm<3> imm3, Imm<2> imm2, ShiftType type, Reg m);
bool thumb32_EOR_reg(bool S, Reg n, Imm<3> imm3, Reg d, Imm<2> imm2, ShiftType type, Reg m);
// thumb32 data processing (modified immediate) instructions // thumb32 data processing (modified immediate) instructions
bool thumb32_TST_imm(Imm<1> i, Reg n, Imm<3> imm3, Imm<8> imm8); bool thumb32_TST_imm(Imm<1> i, Reg n, Imm<3> imm3, Imm<8> imm8);