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Update AInstEmitSimdMove.cs

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LDj3SNuD 2018-04-12 02:25:53 +02:00 • committed by GitHub
parent a2de5c3844
commit 00eaff9468
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1 changed files with 34 additions and 1 deletions
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35
ChocolArm64/Instruction/AInstEmitSimdMove.cs
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@ -256,6 +256,16 @@ namespace ChocolArm64.Instruction
Context.EmitStvec(Op.Rd);
}
public static void Trn1_V(AILEmitterCtx Context)
{
EmitVectorTranspose(Context, Part: 0);
}
public static void Trn2_V(AILEmitterCtx Context)
{
EmitVectorTranspose(Context, Part: 1);
}
public static void Umov_S(AILEmitterCtx Context)
{
AOpCodeSimdIns Op = (AOpCodeSimdIns)Context.CurrOp;
@ -315,6 +325,29 @@ namespace ChocolArm64.Instruction
}
}
private static void EmitVectorTranspose(AILEmitterCtx Context, int Part)
{
AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
int Bytes = Context.CurrOp.GetBitsCount() >> 3;
int Elems = Bytes >> Op.Size;
for (int Index = 0; Index < Elems; Index++)
{
int Elem = Index - (Index & 1) + Part;
EmitVectorExtractZx(Context, (Index & 1) == 0 ? Op.Rn : Op.Rm, Elem, Op.Size);
EmitVectorInsert(Context, Op.Rd, Index, Op.Size);
}
if (Op.RegisterSize == ARegisterSize.SIMD64)
{
EmitVectorZeroUpper(Context, Op.Rd);
}
}
private static void EmitVectorUnzip(AILEmitterCtx Context, int Part)
{
AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
@ -363,4 +396,4 @@ namespace ChocolArm64.Instruction
}
}
}
}
}