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Add Umaal & Vabd_I, Vabdl_I, Vaddl_I, Vhadd, Vqshrn, Vshll inst.s (slow paths). (#1577)

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* Add Umaal & Vabd_I, Vabdl_I, Vaddl_I, Vhadd, Vqshrn, Vshll inst.s (slow paths).

No test provided (i.e. draft).

* Ptc InternalVersion = 1577
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LDj3SNuD 2020-10-13 22:41:33 +02:00 • committed by GitHub
parent 329ba5b39b
commit 04e330cc00
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10 changed files with 171 additions and 15 deletions
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20
ARMeilleure/Instructions/InstEmitMul32.cs
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@ -283,6 +283,26 @@ namespace ARMeilleure.Instructions
EmitGenericAluStoreA32(context, op.Rd, false, res);
}
public static void Umaal(ArmEmitterContext context)
{
OpCode32AluUmull op = (OpCode32AluUmull)context.CurrOp;
Operand n = context.ZeroExtend32(OperandType.I64, GetIntA32(context, op.Rn));
Operand m = context.ZeroExtend32(OperandType.I64, GetIntA32(context, op.Rm));
Operand dHi = context.ZeroExtend32(OperandType.I64, GetIntA32(context, op.RdHi));
Operand dLo = context.ZeroExtend32(OperandType.I64, GetIntA32(context, op.RdLo));
Operand res = context.Multiply(n, m);
res = context.Add(res, dHi);
res = context.Add(res, dLo);
Operand hi = context.ConvertI64ToI32(context.ShiftRightUI(res, Const(32)));
Operand lo = context.ConvertI64ToI32(res);
EmitGenericAluStoreA32(context, op.RdHi, false, hi);
EmitGenericAluStoreA32(context, op.RdLo, false, lo);
}
public static void Umlal(ArmEmitterContext context)
{
EmitMlal(context, false);