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Add SMLAL (vector), fix EXT instruction

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This commit is contained in:
gdkchan 2018-03-06 21:36:49 -03:00
parent 20561b48d7
commit 9376a61229
5 changed files with 37 additions and 9 deletions
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1
AOpCodeTable.cs
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@ -243,6 +243,7 @@ namespace ChocolArm64
Set("0x00111100>>>xxx100001xxxxxxxxxx", AInstEmit.Shrn_V, typeof(AOpCodeSimdShImm));
Set("0x001110<<1xxxxx011001xxxxxxxxxx", AInstEmit.Smax_V, typeof(AOpCodeSimdReg));
Set("0x001110<<1xxxxx011011xxxxxxxxxx", AInstEmit.Smin_V, typeof(AOpCodeSimdReg));
Set("0x001110<<1xxxxx100000xxxxxxxxxx", AInstEmit.Smlal_V, typeof(AOpCodeSimdReg));
Set("0x001110<<1xxxxx110000xxxxxxxxxx", AInstEmit.Smull_V, typeof(AOpCodeSimdReg));
Set("0>001110<<1xxxxx010001xxxxxxxxxx", AInstEmit.Sshl_V, typeof(AOpCodeSimdReg));
Set("0x00111100>>>xxx101001xxxxxxxxxx", AInstEmit.Sshll_V, typeof(AOpCodeSimdShImm));

2
Decoder/AOpCodeSimdExt.cs
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@ -8,7 +8,7 @@ namespace ChocolArm64.Decoder
public AOpCodeSimdExt(AInst Inst, long Position, int OpCode) : base(Inst, Position, OpCode)
{
int Imm4 = (OpCode >> 11) & 0xf;
Imm4 = (OpCode >> 11) & 0xf;
}
}
}

9
Instruction/AInstEmitSimdArithmetic.cs
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@ -374,6 +374,15 @@ namespace ChocolArm64.Instruction
EmitVectorBinaryOpSx(Context, () => Context.EmitCall(MthdInfo));
}
public static void Smlal_V(AILEmitterCtx Context)
{
EmitVectorWidenRnRmTernaryOpSx(Context, () =>
{
Context.Emit(OpCodes.Mul);
Context.Emit(OpCodes.Add);
});
}
public static void Smull_V(AILEmitterCtx Context)
{
EmitVectorWidenRnRmBinaryOpSx(Context, () => Context.Emit(OpCodes.Mul));

21
Instruction/AInstEmitSimdHelper.cs
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@ -459,15 +459,25 @@ namespace ChocolArm64.Instruction
public static void EmitVectorWidenRnRmBinaryOpSx(AILEmitterCtx Context, Action Emit)
{
EmitVectorWidenRnRmBinaryOp(Context, Emit, true);
EmitVectorWidenRnRmOp(Context, Emit, false, true);
}
public static void EmitVectorWidenRnRmBinaryOpZx(AILEmitterCtx Context, Action Emit)
{
EmitVectorWidenRnRmBinaryOp(Context, Emit, false);
EmitVectorWidenRnRmOp(Context, Emit, false, false);
}
public static void EmitVectorWidenRnRmBinaryOp(AILEmitterCtx Context, Action Emit, bool Signed)
public static void EmitVectorWidenRnRmTernaryOpSx(AILEmitterCtx Context, Action Emit)
{
EmitVectorWidenRnRmOp(Context, Emit, true, true);
}
public static void EmitVectorWidenRnRmTernaryOpZx(AILEmitterCtx Context, Action Emit)
{
EmitVectorWidenRnRmOp(Context, Emit, true, false);
}
public static void EmitVectorWidenRnRmOp(AILEmitterCtx Context, Action Emit, bool Ternary, bool Signed)
{
AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
@ -477,6 +487,11 @@ namespace ChocolArm64.Instruction
for (int Index = 0; Index < Elems; Index++)
{
if (Ternary)
{
EmitVectorExtract(Context, Op.Rd, Index, Op.Size + 1, Signed);
}
EmitVectorExtract(Context, Op.Rn, Part + Index, Op.Size, Signed);
EmitVectorExtract(Context, Op.Rm, Part + Index, Op.Size, Signed);

13
Instruction/AInstEmitSimdMove.cs
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@ -63,15 +63,18 @@ namespace ChocolArm64.Instruction
int Bytes = Context.CurrOp.GetBitsCount() >> 3;
int Position = Op.Imm4;
for (int Index = 0; Index < Bytes; Index++)
{
int Position = Op.Imm4 + Index;
int Reg = Op.Imm4 + Index < Bytes ? Op.Rn : Op.Rm;
int Reg = Position < Bytes ? Op.Rn : Op.Rm;
if (Position == Bytes)
{
Position = 0;
}
Position &= Bytes - 1;
EmitVectorExtractZx(Context, Reg, Position, 0);
EmitVectorExtractZx(Context, Reg, Position++, 0);
EmitVectorInsert(Context, Op.Rd, Index, 0);
}