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Add EXT, CMTST (vector) and UMULL (vector) instructions

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This commit is contained in:
gdkchan 2018-03-02 19:21:54 -03:00
parent 1d71e33171
commit f39a864050
5 changed files with 86 additions and 0 deletions
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3
ChocolArm64/AOpCodeTable.cs
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@ -142,11 +142,13 @@ namespace ChocolArm64
Set("0>101110<<1xxxxx001111xxxxxxxxxx", AInstEmit.Cmhs_V, typeof(AOpCodeSimdReg));
Set("0>101110<<100000100110xxxxxxxxxx", AInstEmit.Cmle_V, typeof(AOpCodeSimd));
Set("0>001110<<100000101010xxxxxxxxxx", AInstEmit.Cmlt_V, typeof(AOpCodeSimd));
Set("0>001110<<1xxxxx100011xxxxxxxxxx", AInstEmit.Cmtst_V, typeof(AOpCodeSimdReg));
Set("0x00111000100000010110xxxxxxxxxx", AInstEmit.Cnt_V, typeof(AOpCodeSimd));
Set("0x001110000xxxxx000011xxxxxxxxxx", AInstEmit.Dup_Gp, typeof(AOpCodeSimdIns));
Set("01011110000xxxxx000001xxxxxxxxxx", AInstEmit.Dup_S, typeof(AOpCodeSimdIns));
Set("0x001110000xxxxx000001xxxxxxxxxx", AInstEmit.Dup_V, typeof(AOpCodeSimdIns));
Set("0x101110001xxxxx000111xxxxxxxxxx", AInstEmit.Eor_V, typeof(AOpCodeSimdReg));
Set("0>101110000xxxxx0<xxx0xxxxxxxxxx", AInstEmit.Ext_V, typeof(AOpCodeSimdExt));
Set("011111101x1xxxxx110101xxxxxxxxxx", AInstEmit.Fabd_S, typeof(AOpCodeSimdReg));
Set("000111100x100000110000xxxxxxxxxx", AInstEmit.Fabs_S, typeof(AOpCodeSimd));
Set("000111100x1xxxxx001010xxxxxxxxxx", AInstEmit.Fadd_S, typeof(AOpCodeSimdReg));
@ -262,6 +264,7 @@ namespace ChocolArm64
Set("011111100x100001110110xxxxxxxxxx", AInstEmit.Ucvtf_S, typeof(AOpCodeSimd));
Set("0x1011100x100001110110xxxxxxxxxx", AInstEmit.Ucvtf_V, typeof(AOpCodeSimd));
Set("0x001110000xxxxx001111xxxxxxxxxx", AInstEmit.Umov_S, typeof(AOpCodeSimdIns));
Set("0x101110<<1xxxxx110000xxxxxxxxxx", AInstEmit.Umull_V, typeof(AOpCodeSimdReg));
Set("0>101110<<1xxxxx010001xxxxxxxxxx", AInstEmit.Ushl_V, typeof(AOpCodeSimdReg));
Set("0x10111100>>>xxx101001xxxxxxxxxx", AInstEmit.Ushll_V, typeof(AOpCodeSimdShImm));
Set("011111110>>>>xxx000001xxxxxxxxxx", AInstEmit.Ushr_S, typeof(AOpCodeSimdShImm));

14
ChocolArm64/Decoder/AOpCodeSimdExt.cs Normal file
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@ -0,0 +1,14 @@
using ChocolArm64.Instruction;
namespace ChocolArm64.Decoder
{
class AOpCodeSimdExt : AOpCodeSimdReg
{
public int Imm4 { get; private set; }
public AOpCodeSimdExt(AInst Inst, long Position, int OpCode) : base(Inst, Position, OpCode)
{
int Imm4 = (OpCode >> 11) & 0xf;
}
}
}

5
ChocolArm64/Instruction/AInstEmitSimdArithmetic.cs
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@ -406,5 +406,10 @@ namespace ChocolArm64.Instruction
{
EmitVectorWidenRmBinaryOpZx(Context, () => Context.Emit(OpCodes.Add));
}
public static void Umull_V(AILEmitterCtx Context)
{
EmitVectorWidenRnRmBinaryOpZx(Context, () => Context.Emit(OpCodes.Mul));
}
}
}

39
ChocolArm64/Instruction/AInstEmitSimdCmp.cs
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@ -46,6 +46,45 @@ namespace ChocolArm64.Instruction
EmitVectorCmp(Context, OpCodes.Blt_S);
}
public static void Cmtst_V(AILEmitterCtx Context)
{
AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
int Bytes = Context.CurrOp.GetBitsCount() >> 3;
ulong SzMask = ulong.MaxValue >> (64 - (8 << Op.Size));
for (int Index = 0; Index < (Bytes >> Op.Size); Index++)
{
EmitVectorExtractZx(Context, Op.Rn, Index, Op.Size);
EmitVectorExtractZx(Context, Op.Rm, Index, Op.Size);
AILLabel LblTrue = new AILLabel();
AILLabel LblEnd = new AILLabel();
Context.Emit(OpCodes.And);
Context.EmitLdc_I4(0);
Context.Emit(OpCodes.Bne_Un_S, LblTrue);
EmitVectorInsert(Context, Op.Rd, Index, Op.Size, 0);
Context.Emit(OpCodes.Br_S, LblEnd);
Context.MarkLabel(LblTrue);
EmitVectorInsert(Context, Op.Rd, Index, Op.Size, (long)SzMask);
Context.MarkLabel(LblEnd);
}
if (Op.RegisterSize == ARegisterSize.SIMD64)
{
EmitVectorZeroUpper(Context, Op.Rd);
}
}
public static void Fccmp_S(AILEmitterCtx Context)
{
AOpCodeSimdFcond Op = (AOpCodeSimdFcond)Context.CurrOp;

25
ChocolArm64/Instruction/AInstEmitSimdMove.cs
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@ -57,6 +57,31 @@ namespace ChocolArm64.Instruction
}
}
public static void Ext_V(AILEmitterCtx Context)
{
AOpCodeSimdExt Op = (AOpCodeSimdExt)Context.CurrOp;
int Bytes = Context.CurrOp.GetBitsCount() >> 3;
for (int Index = 0; Index < Bytes; Index++)
{
int Position = Op.Imm4 + Index;
int Reg = Position < Bytes ? Op.Rn : Op.Rm;
Position &= Bytes - 1;
EmitVectorExtractZx(Context, Reg, Position, 0);
EmitVectorInsert(Context, Op.Rd, Index, 0);
}
if (Op.RegisterSize == ARegisterSize.SIMD64)
{
EmitVectorZeroUpper(Context, Op.Rd);
}
}
public static void Fcsel_S(AILEmitterCtx Context)
{
AOpCodeSimdFcond Op = (AOpCodeSimdFcond)Context.CurrOp;