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Add EmitVectorPairwiseFloat function

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greggameplayer 2018-07-12 21:14:30 +02:00 committed by GitHub
parent 364f2c710d
commit 337602797d
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1 changed files with 75 additions and 0 deletions
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75
ChocolArm64/Instruction/AInstEmitSimdHelper.cs
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@ -928,6 +928,81 @@ namespace ChocolArm64.Instruction
Context.EmitStvectmp(); Context.EmitStvectmp();
} }
public static void EmitVectorPairwiseFloat(AILEmitterCtx Context, OpCode EmitMethod)
{
AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
int SizeF = Op.Size & 1;
int Bytes = Context.CurrOp.GetBitsCount() >> 3;
int Elems = Bytes >> SizeF + 2;
int Half = Elems >> 1;
for (int Index = 0; Index < Elems; Index++)
{
int Elem = (Index & (Half - 1)) << 1;
EmitVectorExtractF(Context, Index < Half ? Op.Rn : Op.Rm, Elem + 0, SizeF);
EmitVectorExtractF(Context, Index < Half ? Op.Rn : Op.Rm, Elem + 1, SizeF);
Context.Emit(EmitMethod);
EmitVectorInsertTmpF(Context, Index, SizeF);
}
Context.EmitLdvectmp();
Context.EmitStvec(Op.Rd);
if (Op.RegisterSize == ARegisterSize.SIMD64)
{
EmitVectorZeroUpper(Context, Op.Rd);
}
}
public static void EmitVectorPairwiseFloat(AILEmitterCtx Context, string EmitMethodF, string EmitMethod)
{
AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
int SizeF = Op.Size & 1;
int Bytes = Context.CurrOp.GetBitsCount() >> 3;
int Elems = Bytes >> SizeF + 2;
int Half = Elems >> 1;
for (int Index = 0; Index < Elems; Index++)
{
int Elem = (Index & (Half - 1)) << 1;
EmitVectorExtractF(Context, Index < Half ? Op.Rn : Op.Rm, Elem + 0, SizeF);
EmitVectorExtractF(Context, Index < Half ? Op.Rn : Op.Rm, Elem + 1, SizeF);
if (SizeF == 0)
{
AVectorHelper.EmitCall(Context, EmitMethodF);
}
else if (SizeF == 1)
{
AVectorHelper.EmitCall(Context, EmitMethod);
}
else
{
throw new InvalidOperationException();
}
EmitVectorInsertTmpF(Context, Index, SizeF);
}
Context.EmitLdvectmp();
Context.EmitStvec(Op.Rd);
if (Op.RegisterSize == ARegisterSize.SIMD64)
{
EmitVectorZeroUpper(Context, Op.Rd);
}
}
private static void ThrowIfInvalid(int Index, int Size) private static void ThrowIfInvalid(int Index, int Size)
{ {