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Add Rbit_V instruction. Add 8 tests (Rbit_V; Rev16_V, Rev32_V, Rev64_V). Improve CountSetBits8() algorithm. (#212)

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* Update AOpCodeTable.cs

* Update AInstEmitSimdArithmetic.cs

* Update AInstEmitSimdLogical.cs

* Update AVectorHelper.cs

* Update ASoftFallback.cs

* Update Instructions.cs

* Update CpuTestSimd.cs

* Update CpuTestSimdReg.cs

* Improve CountSetBits8() algorithm.

* Improve CountSetBits8() algorithm.
This commit is contained in:
LDj3SNuD 2018-07-03 08:31:16 +02:00 • committed by gdkchan
parent d24ea0d51b
commit c228cf320d
8 changed files with 502 additions and 37 deletions
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37
ChocolArm64/Instruction/AInstEmitSimdLogical.cs
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@ -56,8 +56,9 @@ namespace ChocolArm64.Instruction
AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
int Bytes = Context.CurrOp.GetBitsCount() >> 3;
int Elems = Bytes >> Op.Size;
for (int Index = 0; Index < (Bytes >> Op.Size); Index++)
for (int Index = 0; Index < Elems; Index++)
{
EmitVectorExtractZx(Context, Op.Rd, Index, Op.Size);
EmitVectorExtractZx(Context, Op.Rn, Index, Op.Size);
@ -145,6 +146,31 @@ namespace ChocolArm64.Instruction
EmitVectorImmBinaryOp(Context, () => Context.Emit(OpCodes.Or));
}
public static void Rbit_V(AILEmitterCtx Context)
{
AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
int Elems = Op.RegisterSize == ARegisterSize.SIMD128 ? 16 : 8;
for (int Index = 0; Index < Elems; Index++)
{
EmitVectorExtractZx(Context, Op.Rn, Index, 0);
Context.Emit(OpCodes.Conv_U4);
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.ReverseBits8));
Context.Emit(OpCodes.Conv_U8);
EmitVectorInsert(Context, Op.Rd, Index, 0);
}
if (Op.RegisterSize == ARegisterSize.SIMD64)
{
EmitVectorZeroUpper(Context, Op.Rd);
}
}
public static void Rev16_V(AILEmitterCtx Context)
{
EmitRev_V(Context, ContainerSize: 1);
@ -164,18 +190,17 @@ namespace ChocolArm64.Instruction
{
AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
int Bytes = Context.CurrOp.GetBitsCount() >> 3;
int Elems = Bytes >> Op.Size;
if (Op.Size >= ContainerSize)
{
throw new InvalidOperationException();
}
int Bytes = Context.CurrOp.GetBitsCount() >> 3;
int Elems = Bytes >> Op.Size;
int ContainerMask = (1 << (ContainerSize - Op.Size)) - 1;
for (int Index = 0; Index < (Bytes >> Op.Size); Index++)
for (int Index = 0; Index < Elems; Index++)
{
int RevIndex = Index ^ ContainerMask;