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Add FRSQRTS and FCM* instructions

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This commit is contained in:
gdkchan 2018-04-05 23:28:12 -03:00
parent 39f20d8d1a
commit f15b1c76a1
3 changed files with 208 additions and 18 deletions
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18
ChocolArm64/AOpCodeTable.cs
View file

@ -168,6 +168,22 @@ namespace ChocolArm64
Set("0>1011100<1xxxxx110101xxxxxxxxxx", AInstEmit.Faddp_V, typeof(AOpCodeSimdReg));
Set("000111100x1xxxxxxxxx01xxxxx0xxxx", AInstEmit.Fccmp_S, typeof(AOpCodeSimdFcond));
Set("000111100x1xxxxxxxxx01xxxxx1xxxx", AInstEmit.Fccmpe_S, typeof(AOpCodeSimdFcond));
Set("010111100x1xxxxx111001xxxxxxxxxx", AInstEmit.Fcmeq_S, typeof(AOpCodeSimdReg));
Set("0>0011100<1xxxxx111001xxxxxxxxxx", AInstEmit.Fcmeq_V, typeof(AOpCodeSimdReg));
Set("010111101x100000110110xxxxxxxxxx", AInstEmit.Fcmeq_S, typeof(AOpCodeSimd));
Set("0>0011101<100000110110xxxxxxxxxx", AInstEmit.Fcmeq_V, typeof(AOpCodeSimd));
Set("011111100x1xxxxx111001xxxxxxxxxx", AInstEmit.Fcmge_S, typeof(AOpCodeSimdReg));
Set("0>1011100<1xxxxx111001xxxxxxxxxx", AInstEmit.Fcmge_V, typeof(AOpCodeSimdReg));
Set("011111101x100000110010xxxxxxxxxx", AInstEmit.Fcmge_S, typeof(AOpCodeSimd));
Set("0>1011101<100000110010xxxxxxxxxx", AInstEmit.Fcmge_V, typeof(AOpCodeSimd));
Set("011111101x1xxxxx111001xxxxxxxxxx", AInstEmit.Fcmgt_S, typeof(AOpCodeSimdReg));
Set("0>1011101<1xxxxx111001xxxxxxxxxx", AInstEmit.Fcmgt_V, typeof(AOpCodeSimdReg));
Set("010111101x100000110010xxxxxxxxxx", AInstEmit.Fcmgt_S, typeof(AOpCodeSimd));
Set("0>0011101<100000110010xxxxxxxxxx", AInstEmit.Fcmgt_V, typeof(AOpCodeSimd));
Set("011111101x100000110110xxxxxxxxxx", AInstEmit.Fcmle_S, typeof(AOpCodeSimd));
Set("0>1011101<100000110110xxxxxxxxxx", AInstEmit.Fcmle_V, typeof(AOpCodeSimd));
Set("010111101x100000111010xxxxxxxxxx", AInstEmit.Fcmlt_S, typeof(AOpCodeSimd));
Set("0>0011101<100000111010xxxxxxxxxx", AInstEmit.Fcmlt_V, typeof(AOpCodeSimd));
Set("000111100x1xxxxx001000xxxxx0x000", AInstEmit.Fcmp_S, typeof(AOpCodeSimdReg));
Set("000111100x1xxxxx001000xxxxx1x000", AInstEmit.Fcmpe_S, typeof(AOpCodeSimdReg));
Set("000111100x1xxxxxxxxx11xxxxxxxxxx", AInstEmit.Fcsel_S, typeof(AOpCodeSimdFcond));
@ -227,6 +243,8 @@ namespace ChocolArm64
Set("0>1011100<100001100110xxxxxxxxxx", AInstEmit.Frintx_V, typeof(AOpCodeSimd));
Set("011111101x100001110110xxxxxxxxxx", AInstEmit.Frsqrte_S, typeof(AOpCodeSimd));
Set("0>1011101<100001110110xxxxxxxxxx", AInstEmit.Frsqrte_V, typeof(AOpCodeSimd));
Set("010111101x1xxxxx111111xxxxxxxxxx", AInstEmit.Frsqrts_S, typeof(AOpCodeSimdReg));
Set("0>0011101<1xxxxx111111xxxxxxxxxx", AInstEmit.Frsqrts_V, typeof(AOpCodeSimdReg));
Set("000111100x100001110000xxxxxxxxxx", AInstEmit.Fsqrt_S, typeof(AOpCodeSimd));
Set("000111100x1xxxxx001110xxxxxxxxxx", AInstEmit.Fsub_S, typeof(AOpCodeSimdReg));
Set("0>0011101<1xxxxx110101xxxxxxxxxx", AInstEmit.Fsub_V, typeof(AOpCodeSimdReg));

41
ChocolArm64/Instruction/AInstEmitSimdArithmetic.cs
View file

@ -492,6 +492,47 @@ namespace ChocolArm64.Instruction
});
}
public static void Frsqrts_S(AILEmitterCtx Context)
{
EmitScalarBinaryOpF(Context, () => EmitFrsqrts(Context));
}
public static void Frsqrts_V(AILEmitterCtx Context)
{
EmitVectorBinaryOpF(Context, () => EmitFrsqrts(Context));
}
private static void EmitFrsqrts(AILEmitterCtx Context)
{
IAOpCodeSimd Op = (IAOpCodeSimd)Context.CurrOp;
int SizeF = Op.Size & 1;
Context.Emit(OpCodes.Mul);
if (SizeF == 0)
{
Context.EmitLdc_R4(3);
}
else /* if (SizeF == 1) */
{
Context.EmitLdc_R8(3);
}
Context.Emit(OpCodes.Add);
if (SizeF == 0)
{
Context.EmitLdc_R4(0.5f);
}
else /* if (SizeF == 1) */
{
Context.EmitLdc_R8(0.5);
}
Context.Emit(OpCodes.Mul);
}
public static void Fsqrt_S(AILEmitterCtx Context)
{
EmitScalarUnaryOpF(Context, () =>

167
ChocolArm64/Instruction/AInstEmitSimdCmp.cs
View file

@ -110,13 +110,84 @@ namespace ChocolArm64.Instruction
Fccmp_S(Context);
}
public static void Fcmeq_S(AILEmitterCtx Context)
{
EmitScalarFcmp(Context, OpCodes.Beq_S);
}
public static void Fcmeq_V(AILEmitterCtx Context)
{
EmitVectorFcmp(Context, OpCodes.Beq_S);
}
public static void Fcmge_S(AILEmitterCtx Context)
{
EmitScalarFcmp(Context, OpCodes.Bge_S);
}
public static void Fcmge_V(AILEmitterCtx Context)
{
EmitVectorFcmp(Context, OpCodes.Bge_S);
}
public static void Fcmgt_S(AILEmitterCtx Context)
{
EmitScalarFcmp(Context, OpCodes.Bgt_S);
}
public static void Fcmgt_V(AILEmitterCtx Context)
{
EmitVectorFcmp(Context, OpCodes.Bgt_S);
}
public static void Fcmhi_S(AILEmitterCtx Context)
{
EmitScalarFcmp(Context, OpCodes.Bgt_Un_S);
}
public static void Fcmhi_V(AILEmitterCtx Context)
{
EmitVectorFcmp(Context, OpCodes.Bgt_Un_S);
}
public static void Fcmhs_S(AILEmitterCtx Context)
{
EmitScalarFcmp(Context, OpCodes.Bge_Un_S);
}
public static void Fcmhs_V(AILEmitterCtx Context)
{
EmitVectorFcmp(Context, OpCodes.Bge_Un_S);
}
public static void Fcmle_S(AILEmitterCtx Context)
{
EmitScalarFcmp(Context, OpCodes.Ble_S);
}
public static void Fcmle_V(AILEmitterCtx Context)
{
EmitVectorFcmp(Context, OpCodes.Ble_S);
}
public static void Fcmlt_S(AILEmitterCtx Context)
{
EmitScalarFcmp(Context, OpCodes.Blt_S);
}
public static void Fcmlt_V(AILEmitterCtx Context)
{
EmitVectorFcmp(Context, OpCodes.Blt_S);
}
public static void Fcmp_S(AILEmitterCtx Context)
{
AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
bool CmpWithZero = !(Op is AOpCodeSimdFcond) ? Op.Bit3 : false;
//Handle NaN case. If any number is NaN, then NZCV = 0011.
//Handle NaN case.
//If any number is NaN, then NZCV = 0011.
if (CmpWithZero)
{
EmitNaNCheck(Context, Op.Rn);
@ -140,7 +211,14 @@ namespace ChocolArm64.Instruction
if (CmpWithZero)
{
EmitLdcImmF(Context, 0, Op.Size);
if (Op.Size == 0)
{
Context.EmitLdc_R4(0);
}
else /* if (SizeF == 1) */
{
Context.EmitLdc_R8(0);
}
}
else
{
@ -190,22 +268,6 @@ namespace ChocolArm64.Instruction
Fcmp_S(Context);
}
private static void EmitLdcImmF(AILEmitterCtx Context, double ImmF, int Size)
{
if (Size == 0)
{
Context.EmitLdc_R4((float)ImmF);
}
else if (Size == 1)
{
Context.EmitLdc_R8(ImmF);
}
else
{
throw new ArgumentOutOfRangeException(nameof(Size));
}
}
private static void EmitNaNCheck(AILEmitterCtx Context, int Reg)
{
IAOpCodeSimd Op = (IAOpCodeSimd)Context.CurrOp;
@ -268,5 +330,74 @@ namespace ChocolArm64.Instruction
EmitVectorZeroUpper(Context, Op.Rd);
}
}
private static void EmitScalarFcmp(AILEmitterCtx Context, OpCode ILOp)
{
AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
int SizeF = Op.Size & 1;
EmitFcmp(Context, ILOp, 0);
EmitScalarSetF(Context, Op.Rd, SizeF);
}
private static void EmitVectorFcmp(AILEmitterCtx Context, OpCode ILOp)
{
AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
int SizeF = Op.Size & 1;
int Bytes = Context.CurrOp.GetBitsCount() >> 3;
for (int Index = 0; Index < Bytes >> SizeF + 2; Index++)
{
EmitFcmp(Context, ILOp, Index);
}
if (Op.RegisterSize == ARegisterSize.SIMD64)
{
EmitVectorZeroUpper(Context, Op.Rd);
}
}
private static void EmitFcmp(AILEmitterCtx Context, OpCode ILOp, int Index)
{
AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
int SizeF = Op.Size & 1;
ulong SzMask = ulong.MaxValue >> (64 - (32 << SizeF));
EmitVectorExtractF(Context, Op.Rn, Index, SizeF);
if (Op is AOpCodeSimdReg BinOp)
{
EmitVectorExtractF(Context, BinOp.Rm, Index, SizeF);
}
else if (SizeF == 0)
{
Context.EmitLdc_R4(0);
}
else /* if (SizeF == 1) */
{
Context.EmitLdc_R8(0);
}
AILLabel LblTrue = new AILLabel();
AILLabel LblEnd = new AILLabel();
Context.Emit(ILOp, LblTrue);
EmitVectorInsert(Context, Op.Rd, Index, SizeF + 2, 0);
Context.Emit(OpCodes.Br_S, LblEnd);
Context.MarkLabel(LblTrue);
EmitVectorInsert(Context, Op.Rd, Index, SizeF + 2, (long)SzMask);
Context.MarkLabel(LblEnd);
}
}
}