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Update InstEmitSimdCvt.cs

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LDj3SNuD 2019-05-28 02:26:14 +02:00 • committed by GitHub
parent 9dc2155728
commit ee9c20d5dc
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1 changed files with 51 additions and 21 deletions
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72
ChocolArm64/Instructions/InstEmitSimdCvt.cs
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@ -16,23 +16,10 @@ namespace ChocolArm64.Instructions
{
OpCodeSimd64 op = (OpCodeSimd64)context.CurrOp;
if (Optimizations.UseSse2)
if (op.Size == 0 && op.Opc == 1) // Single -> Double.
{
if (op.Size == 1 && op.Opc == 0)
if (Optimizations.UseSse2)
{
//Double -> Single.
Type[] typesCvt = new Type[] { typeof(Vector128<float>), typeof(Vector128<double>) };
VectorHelper.EmitCall(context, nameof(VectorHelper.VectorSingleZero));
context.EmitLdvec(op.Rn);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ConvertScalarToVector128Single), typesCvt));
context.EmitStvec(op.Rd);
}
else if (op.Size == 0 && op.Opc == 1)
{
//Single -> Double.
Type[] typesCvt = new Type[] { typeof(Vector128<double>), typeof(Vector128<float>) };
VectorHelper.EmitCall(context, nameof(VectorHelper.VectorSingleZero));
@ -44,17 +31,60 @@ namespace ChocolArm64.Instructions
}
else
{
//Invalid encoding.
throw new InvalidOperationException();
EmitVectorExtractF(context, op.Rn, 0, 0);
EmitFloatCast(context, 1);
EmitScalarSetF(context, op.Rd, 1);
}
}
else
else if (op.Size == 1 && op.Opc == 0) // Double -> Single.
{
EmitVectorExtractF(context, op.Rn, 0, op.Size);
if (Optimizations.UseSse2)
{
Type[] typesCvt = new Type[] { typeof(Vector128<float>), typeof(Vector128<double>) };
EmitFloatCast(context, op.Opc);
VectorHelper.EmitCall(context, nameof(VectorHelper.VectorSingleZero));
context.EmitLdvec(op.Rn);
EmitScalarSetF(context, op.Rd, op.Opc);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ConvertScalarToVector128Single), typesCvt));
context.EmitStvec(op.Rd);
}
else
{
EmitVectorExtractF(context, op.Rn, 0, 1);
EmitFloatCast(context, 0);
EmitScalarSetF(context, op.Rd, 0);
}
}
else if (op.Size == 0 && op.Opc == 3) // Single -> Half.
{
EmitVectorExtractF(context, op.Rn, 0, 0);
context.EmitLdarg(TranslatedSub.StateArgIdx);
context.EmitCall(typeof(SoftFloat32_16), nameof(SoftFloat32_16.FPConvert));
context.Emit(OpCodes.Conv_U8);
EmitScalarSet(context, op.Rd, 1);
}
else if (op.Size == 3 && op.Opc == 0) // Half -> Single.
{
EmitVectorExtractZx(context, op.Rn, 0, 1);
context.Emit(OpCodes.Conv_U2);
context.EmitLdarg(TranslatedSub.StateArgIdx);
context.EmitCall(typeof(SoftFloat16_32), nameof(SoftFloat16_32.FPConvert));
EmitScalarSetF(context, op.Rd, 0);
}
else // Invalid encoding.
{
throw new InvalidOperationException($"type == {op.Size} && opc == {op.Opc}");
}
}