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A32: Implement VRINT{N,X,A,Z,M,P} (ASIMD)

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This commit is contained in:
Merry 2024-01-28 10:16:10 +00:00
parent 8398d7ef7e
commit f8e38809e9
3 changed files with 52 additions and 6 deletions
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12
src/dynarmic/frontend/A32/decoder/asimd.inc
View file

@ -125,12 +125,12 @@ INST(asimd_VMOVN, "VMOVN", "111100111D11zz10dddd001
INST(asimd_VQMOVUN, "VQMOVUN", "111100111D11zz10dddd001001M0mmmm") // ASIMD
INST(asimd_VQMOVN, "VQMOVN", "111100111D11zz10dddd00101oM0mmmm") // ASIMD
INST(asimd_VSHLL_max, "VSHLL_max", "111100111D11zz10dddd001100M0mmmm") // ASIMD
INST(arm_UDF, "UNALLOCATED (VRINTN)", "111100111-11--10----01000--0----")
INST(arm_UDF, "UNALLOCATED (VRINTX)", "111100111-11--10----01001--0----")
INST(arm_UDF, "UNALLOCATED (VRINTA)", "111100111-11--10----01010--0----")
INST(arm_UDF, "UNALLOCATED (VRINTZ)", "111100111-11--10----01011--0----")
INST(arm_UDF, "UNALLOCATED (VRINTM)", "111100111-11--10----01101--0----")
INST(arm_UDF, "UNALLOCATED (VRINTP)", "111100111-11--10----01111--0----")
INST(asimd_VRINTN, "VRINTN", "111100111D11zz10dddd01000QM0mmmm") // v8
INST(asimd_VRINTX, "VRINTX", "111100111D11zz10dddd01001QM0mmmm") // v8
INST(asimd_VRINTA, "VRINTA", "111100111D11zz10dddd01010QM0mmmm") // v8
INST(asimd_VRINTZ, "VRINTZ", "111100111D11zz10dddd01011QM0mmmm") // v8
INST(asimd_VRINTM, "VRINTM", "111100111D11zz10dddd01101QM0mmmm") // v8
INST(asimd_VRINTP, "VRINTP", "111100111D11zz10dddd01111QM0mmmm") // v8
INST(asimd_VCVT_half, "VCVT (half-precision)", "111100111D11zz10dddd011o00M0mmmm") // ASIMD
INST(arm_UDF, "UNALLOCATED", "111100111-11--10----011-01-0----") // ASIMD
INST(arm_UDF, "UNALLOCATED (VCVTA)", "111100111-11--11----0000---0----")

6
src/dynarmic/frontend/A32/translate/impl/a32_translate_impl.h
View file

@ -950,6 +950,12 @@ struct TranslatorVisitor final {
bool asimd_VQMOVUN(bool D, size_t sz, size_t Vd, bool M, size_t Vm);
bool asimd_VQMOVN(bool D, size_t sz, size_t Vd, bool op, bool M, size_t Vm);
bool asimd_VSHLL_max(bool D, size_t sz, size_t Vd, bool M, size_t Vm);
bool asimd_VRINTN(bool D, size_t sz, size_t Vd, bool Q, bool M, size_t Vm);
bool asimd_VRINTX(bool D, size_t sz, size_t Vd, bool Q, bool M, size_t Vm);
bool asimd_VRINTA(bool D, size_t sz, size_t Vd, bool Q, bool M, size_t Vm);
bool asimd_VRINTZ(bool D, size_t sz, size_t Vd, bool Q, bool M, size_t Vm);
bool asimd_VRINTM(bool D, size_t sz, size_t Vd, bool Q, bool M, size_t Vm);
bool asimd_VRINTP(bool D, size_t sz, size_t Vd, bool Q, bool M, size_t Vm);
bool asimd_VCVT_half(bool D, size_t sz, size_t Vd, bool op, bool M, size_t Vm);
bool asimd_VRECPE(bool D, size_t sz, size_t Vd, bool F, bool Q, bool M, size_t Vm);
bool asimd_VRSQRTE(bool D, size_t sz, size_t Vd, bool F, bool Q, bool M, size_t Vm);

40
src/dynarmic/frontend/A32/translate/impl/asimd_two_regs_misc.cpp
View file

@ -102,6 +102,27 @@ bool PairedAddOperation(TranslatorVisitor& v, bool D, size_t sz, size_t Vd, bool
return true;
}
bool RoundFloatToInteger(TranslatorVisitor& v, bool D, size_t sz, size_t Vd, bool Q, bool M, size_t Vm, bool exact, FP::RoundingMode rounding_mode) {
if (Q && (mcl::bit::get_bit<0>(Vd) || mcl::bit::get_bit<0>(Vm))) {
return v.UndefinedInstruction();
}
if (sz != 0b10) {
return v.UndefinedInstruction(); // TODO: FP16
}
const size_t esize = 8 << sz;
const auto d = ToVector(Q, Vd, D);
const auto m = ToVector(Q, Vm, M);
const auto reg_m = v.ir.GetVector(m);
const auto result = v.ir.FPVectorRoundInt(esize, reg_m, rounding_mode, exact, false);
v.ir.SetVector(d, result);
return true;
}
} // Anonymous namespace
bool TranslatorVisitor::asimd_VREV(bool D, size_t sz, size_t Vd, size_t op, bool Q, bool M, size_t Vm) {
@ -590,6 +611,25 @@ bool TranslatorVisitor::asimd_VSHLL_max(bool D, size_t sz, size_t Vd, bool M, si
return true;
}
bool TranslatorVisitor::asimd_VRINTN(bool D, size_t sz, size_t Vd, bool Q, bool M, size_t Vm) {
return RoundFloatToInteger(*this, D, sz, Vd, Q, M, Vm, false, FP::RoundingMode::ToNearest_TieEven);
}
bool TranslatorVisitor::asimd_VRINTX(bool D, size_t sz, size_t Vd, bool Q, bool M, size_t Vm) {
return RoundFloatToInteger(*this, D, sz, Vd, Q, M, Vm, true, FP::RoundingMode::ToNearest_TieEven);
}
bool TranslatorVisitor::asimd_VRINTA(bool D, size_t sz, size_t Vd, bool Q, bool M, size_t Vm) {
return RoundFloatToInteger(*this, D, sz, Vd, Q, M, Vm, false, FP::RoundingMode::ToNearest_TieAwayFromZero);
}
bool TranslatorVisitor::asimd_VRINTZ(bool D, size_t sz, size_t Vd, bool Q, bool M, size_t Vm) {
return RoundFloatToInteger(*this, D, sz, Vd, Q, M, Vm, false, FP::RoundingMode::TowardsZero);
}
bool TranslatorVisitor::asimd_VRINTM(bool D, size_t sz, size_t Vd, bool Q, bool M, size_t Vm) {
return RoundFloatToInteger(*this, D, sz, Vd, Q, M, Vm, false, FP::RoundingMode::TowardsMinusInfinity);
}
bool TranslatorVisitor::asimd_VRINTP(bool D, size_t sz, size_t Vd, bool Q, bool M, size_t Vm) {
return RoundFloatToInteger(*this, D, sz, Vd, Q, M, Vm, false, FP::RoundingMode::TowardsPlusInfinity);
}
bool TranslatorVisitor::asimd_VCVT_half(bool D, size_t sz, size_t Vd, bool half_to_single, bool M, size_t Vm) {
if (sz != 0b01) {
return UndefinedInstruction();