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A32: Implement ASIMD VMOVN

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This commit is contained in:
MerryMage 2020-06-21 12:19:02 +01:00
parent c7785cd982
commit bf093395d8
3 changed files with 17 additions and 1 deletions
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2
src/frontend/A32/decoder/asimd.inc
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@ -102,7 +102,7 @@ INST(asimd_VSWP, "VSWP", "111100111D110010dddd000
INST(asimd_VTRN, "VTRN", "111100111D11zz10dddd00001QM0mmmm") // ASIMD
INST(asimd_VUZP, "VUZP", "111100111D11zz10dddd00010QM0mmmm") // ASIMD
INST(asimd_VZIP, "VZIP", "111100111D11zz10dddd00011QM0mmmm") // ASIMD
//INST(asimd_VMOVN, "VMOVN", "111100111-11--10----001000-0----") // ASIMD
INST(asimd_VMOVN, "VMOVN", "111100111D11zz10dddd001000M0mmmm") // ASIMD
//INST(asimd_VQMOVUN, "VQMOVUN", "111100111-11--10----001001-0----") // ASIMD
//INST(asimd_VQMOVN, "VQMOVN", "111100111-11--10----00101x-0----") // ASIMD
//INST(asimd_VSHLL_max, "VSHLL_max", "111100111-11--10----001100-0----") // ASIMD

15
src/frontend/A32/translate/impl/asimd_two_regs_misc.cpp
View file

@ -491,6 +491,21 @@ bool ArmTranslatorVisitor::asimd_VZIP(bool D, size_t sz, size_t Vd, bool Q, bool
return true;
}
bool ArmTranslatorVisitor::asimd_VMOVN(bool D, size_t sz, size_t Vd, bool M, size_t Vm) {
if (sz == 0b11 || Common::Bit<0>(Vm)) {
return UndefinedInstruction();
}
const size_t esize = 8U << sz;
const auto d = ToVector(false, Vd, D);
const auto m = ToVector(true, Vm, M);
const auto reg_m = ir.GetVector(m);
const auto result = ir.VectorNarrow(2 * esize, reg_m);
ir.SetVector(d, result);
return true;
}
bool ArmTranslatorVisitor::asimd_VRECPE(bool D, size_t sz, size_t Vd, bool F, bool Q, bool M, size_t Vm) {
if (Q && (Common::Bit<0>(Vd) || Common::Bit<0>(Vm))) {
return UndefinedInstruction();

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

@ -530,6 +530,7 @@ struct ArmTranslatorVisitor final {
bool asimd_VTRN(bool D, size_t sz, size_t Vd, bool Q, bool M, size_t Vm);
bool asimd_VUZP(bool D, size_t sz, size_t Vd, bool Q, bool M, size_t Vm);
bool asimd_VZIP(bool D, size_t sz, size_t Vd, bool Q, bool M, size_t Vm);
bool asimd_VMOVN(bool D, size_t sz, size_t Vd, 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);