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Add Sqxtn_S, Sqxtn_V, Uqxtn_S, Uqxtn_V instructions and Tests (6). (#110)

Browse Source 
* Update ILGeneratorEx.cs

* Update AOpCodeTable.cs

* Update AInstEmitSimdArithmetic.cs

* Update CpuTestSimd.cs

* Update CpuTestSimdReg.cs

* Update CpuTest.cs

* Update Pseudocode.cs

* Update Instructions.cs

* Update AInstEmitSimdArithmetic.cs

* Update AInstEmitSimdArithmetic.cs

* Update AInstEmitSimdArithmetic.cs
This commit is contained in:
LDj3SNuD 2018-04-30 01:39:58 +02:00 committed by gdkchan
parent 3f3844583f
commit f9b17f86c1
3 changed files with 104 additions and 2 deletions
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4
AOpCodeTable.cs
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@ -337,6 +337,8 @@ namespace ChocolArm64
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("01011110<<100001010010xxxxxxxxxx", AInstEmit.Sqxtn_S, typeof(AOpCodeSimd));
Set("0x001110<<100001010010xxxxxxxxxx", AInstEmit.Sqxtn_V, typeof(AOpCodeSimd));
Set("0>001110<<1xxxxx010001xxxxxxxxxx", AInstEmit.Sshl_V, typeof(AOpCodeSimdReg));
Set("0x00111100>>>xxx101001xxxxxxxxxx", AInstEmit.Sshll_V, typeof(AOpCodeSimdShImm));
Set("010111110>>>>xxx000001xxxxxxxxxx", AInstEmit.Sshr_S, typeof(AOpCodeSimdShImm));
@ -370,6 +372,8 @@ namespace ChocolArm64
Set("0x101110<<1xxxxx000001xxxxxxxxxx", AInstEmit.Uhadd_V, typeof(AOpCodeSimdReg));
Set("0x001110000xxxxx001111xxxxxxxxxx", AInstEmit.Umov_S, typeof(AOpCodeSimdIns));
Set("0x101110<<1xxxxx110000xxxxxxxxxx", AInstEmit.Umull_V, typeof(AOpCodeSimdReg));
Set("01111110<<100001010010xxxxxxxxxx", AInstEmit.Uqxtn_S, typeof(AOpCodeSimd));
Set("0x101110<<100001010010xxxxxxxxxx", AInstEmit.Uqxtn_V, typeof(AOpCodeSimd));
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));

98
Instruction/AInstEmitSimdArithmetic.cs
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@ -205,6 +205,84 @@ namespace ChocolArm64.Instruction
}
}
private static void EmitQxtn(AILEmitterCtx Context, bool Signed, bool Scalar)
{
AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
int Elems = (!Scalar ? 8 >> Op.Size : 1);
int ESize = 8 << Op.Size;
int TMaxValue = (Signed ? (1 << (ESize - 1)) - 1 : (int)((1L << ESize) - 1L));
int TMinValue = (Signed ? -((1 << (ESize - 1))) : 0);
int Part = (!Scalar & (Op.RegisterSize == ARegisterSize.SIMD128) ? Elems : 0);
Context.EmitLdc_I8(0L);
Context.EmitSttmp();
for (int Index = 0; Index < Elems; Index++)
{
AILLabel LblLe = new AILLabel();
AILLabel LblGeEnd = new AILLabel();
EmitVectorExtract(Context, Op.Rn, Index, Op.Size + 1, Signed);
Context.Emit(OpCodes.Dup);
Context.EmitLdc_I4(TMaxValue);
Context.Emit(OpCodes.Conv_U8);
Context.Emit(Signed ? OpCodes.Ble_S : OpCodes.Ble_Un_S, LblLe);
Context.Emit(OpCodes.Pop);
Context.EmitLdc_I4(TMaxValue);
Context.EmitLdc_I8(0x8000000L);
Context.EmitSttmp();
Context.Emit(OpCodes.Br_S, LblGeEnd);
Context.MarkLabel(LblLe);
Context.Emit(OpCodes.Dup);
Context.EmitLdc_I4(TMinValue);
Context.Emit(OpCodes.Conv_I8);
Context.Emit(Signed ? OpCodes.Bge_S : OpCodes.Bge_Un_S, LblGeEnd);
Context.Emit(OpCodes.Pop);
Context.EmitLdc_I4(TMinValue);
Context.EmitLdc_I8(0x8000000L);
Context.EmitSttmp();
Context.MarkLabel(LblGeEnd);
if (Scalar)
{
EmitVectorZeroLower(Context, Op.Rd);
}
EmitVectorInsert(Context, Op.Rd, Part + Index, Op.Size);
}
if (Part == 0)
{
EmitVectorZeroUpper(Context, Op.Rd);
}
Context.EmitLdarg(ATranslatedSub.StateArgIdx);
Context.EmitLdarg(ATranslatedSub.StateArgIdx);
Context.EmitCallPropGet(typeof(AThreadState), nameof(AThreadState.Fpsr));
Context.EmitLdtmp();
Context.Emit(OpCodes.Conv_I4);
Context.Emit(OpCodes.Or);
Context.EmitCallPropSet(typeof(AThreadState), nameof(AThreadState.Fpsr));
}
public static void Fabd_S(AILEmitterCtx Context)
{
EmitScalarBinaryOpF(Context, () =>
@ -971,6 +1049,16 @@ namespace ChocolArm64.Instruction
EmitVectorWidenRnRmBinaryOpSx(Context, () => Context.Emit(OpCodes.Mul));
}
public static void Sqxtn_S(AILEmitterCtx Context)
{
EmitQxtn(Context, Signed: true, Scalar: true);
}
public static void Sqxtn_V(AILEmitterCtx Context)
{
EmitQxtn(Context, Signed: true, Scalar: false);
}
public static void Sub_S(AILEmitterCtx Context)
{
EmitScalarBinaryOpZx(Context, () => Context.Emit(OpCodes.Sub));
@ -1049,5 +1137,15 @@ namespace ChocolArm64.Instruction
{
EmitVectorWidenRnRmBinaryOpZx(Context, () => Context.Emit(OpCodes.Mul));
}
public static void Uqxtn_S(AILEmitterCtx Context)
{
EmitQxtn(Context, Signed: false, Scalar: true);
}
public static void Uqxtn_V(AILEmitterCtx Context)
{
EmitQxtn(Context, Signed: false, Scalar: false);
}
}
}

4
Translation/ILGeneratorEx.cs
View File

@ -6,7 +6,7 @@ namespace ChocolArm64
static class ILGeneratorEx
{
public static void EmitLdc_I4(this ILGenerator Generator,int Value)
public static void EmitLdc_I4(this ILGenerator Generator, int Value)
{
switch (Value)
{
@ -126,4 +126,4 @@ namespace ChocolArm64
}
}
}
}
}