public static void Tbl_V(ILEmitterCtx context)
{
OpCodeSimdTbl64 op = (OpCodeSimdTbl64)context.CurrOp;
context.EmitLdvec(op.Rm);
for (int index = 0; index < op.Size; index++)
{
context.EmitLdvec((op.Rn + index) & 0x1f);
}
switch (op.Size)
{
case 1: VectorHelper.EmitCall(context,
nameof(VectorHelper.Tbl1_V64),
nameof(VectorHelper.Tbl1_V128)); break;
case 2: VectorHelper.EmitCall(context,
nameof(VectorHelper.Tbl2_V64),
nameof(VectorHelper.Tbl2_V128)); break;
case 3: VectorHelper.EmitCall(context,
nameof(VectorHelper.Tbl3_V64),
nameof(VectorHelper.Tbl3_V128)); break;
case 4: VectorHelper.EmitCall(context,
nameof(VectorHelper.Tbl4_V64),
nameof(VectorHelper.Tbl4_V128)); break;
default: throw new InvalidOperationException();
}
context.EmitStvec(op.Rd);
}
public static void Tbl_V(ILEmitterCtx context)
{
OpCodeSimdTbl64 op = (OpCodeSimdTbl64)context.CurrOp;
if (Optimizations.UseSsse3)
{
Type[] typesCmpSflSub = new Type[] { typeof(Vector128 <sbyte>), typeof(Vector128 <sbyte>) };
Type[] typesOr = new Type[] { typeof(Vector128 <long>), typeof(Vector128 <long>) };
Type[] typesSav = new Type[] { typeof(long) };
context.EmitLdvec(op.Rn);
context.EmitLdvec(op.Rm);
context.EmitLdc_I8(0x0F0F0F0F0F0F0F0FL);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SetAllVector128), typesSav));
context.EmitStvectmp2();
context.EmitLdvectmp2();
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.CompareGreaterThan), typesCmpSflSub));
context.EmitLdvec(op.Rm);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Or), typesOr));
context.EmitCall(typeof(Ssse3).GetMethod(nameof(Ssse3.Shuffle), typesCmpSflSub));
for (int index = 1; index < op.Size; index++)
{
context.EmitLdvec((op.Rn + index) & 0x1F);
context.EmitLdvec(op.Rm);
context.EmitLdc_I8(0x1010101010101010L * index);
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SetAllVector128), typesSav));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Subtract), typesCmpSflSub));
context.EmitStvectmp();
context.EmitLdvectmp();
context.EmitLdvectmp2();
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.CompareGreaterThan), typesCmpSflSub));
context.EmitLdvectmp();
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Or), typesOr));
context.EmitCall(typeof(Ssse3).GetMethod(nameof(Ssse3.Shuffle), typesCmpSflSub));
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.Or), typesOr));
}
context.EmitStvec(op.Rd);
if (op.RegisterSize == RegisterSize.Simd64)
{
EmitVectorZeroUpper(context, op.Rd);
}
}
else
{
context.EmitLdvec(op.Rm);
for (int index = 0; index < op.Size; index++)
{
context.EmitLdvec((op.Rn + index) & 0x1F);
}
switch (op.Size)
{
case 1: VectorHelper.EmitCall(context,
nameof(VectorHelper.Tbl1_V64),
nameof(VectorHelper.Tbl1_V128)); break;
case 2: VectorHelper.EmitCall(context,
nameof(VectorHelper.Tbl2_V64),
nameof(VectorHelper.Tbl2_V128)); break;
case 3: VectorHelper.EmitCall(context,
nameof(VectorHelper.Tbl3_V64),
nameof(VectorHelper.Tbl3_V128)); break;
case 4: VectorHelper.EmitCall(context,
nameof(VectorHelper.Tbl4_V64),
nameof(VectorHelper.Tbl4_V128)); break;
default: throw new InvalidOperationException();
}
context.EmitStvec(op.Rd);
}
}