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VFP: Implement VSQRT

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This commit is contained in:
MerryMage 2016-08-07 12:19:07 +01:00
parent cd8e7c0504
commit 0f412247ed
8 changed files with 88 additions and 11 deletions
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17
src/frontend/translate/translate_arm/vfp2.cpp
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@ -226,5 +226,22 @@ bool ArmTranslatorVisitor::vfp2_VNEG(Cond cond, bool D, size_t Vd, bool sz, bool
return true;
}
bool ArmTranslatorVisitor::vfp2_VSQRT(Cond cond, bool D, size_t Vd, bool sz, bool M, size_t Vm) {
if (ir.current_location.FPSCR_Len() != 1 || ir.current_location.FPSCR_Stride() != 1)
return InterpretThisInstruction(); // TODO: Vectorised floating point instructions
ExtReg d = ToExtReg(sz, Vd, D);
ExtReg m = ToExtReg(sz, Vm, M);
// VSQRT.{F32,F64} <{S,D}d>, <{S,D}m>
if (ConditionPassed(cond)) {
auto a = ir.GetExtendedRegister(m);
auto result = sz
? ir.FPSqrt64(a)
: ir.FPSqrt32(a);
ir.SetExtendedRegister(d, result);
}
return true;
}
} // namespace Arm
} // namespace Dynarmic