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SQADD/UQADD instructions

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This commit is contained in:
MS-DOS1999 2018-07-17 16:24:17 +02:00
parent 5d698a7d8d
commit 980d30325b
3 changed files with 133 additions and 0 deletions
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4
ChocolArm64/AOpCodeTable.cs
View file

@ -373,6 +373,8 @@ namespace ChocolArm64
SetA64("0x001110<<1xxxxx100000xxxxxxxxxx", AInstEmit.Smlal_V, typeof(AOpCodeSimdReg));
SetA64("0x001110<<1xxxxx101000xxxxxxxxxx", AInstEmit.Smlsl_V, typeof(AOpCodeSimdReg));
SetA64("0x001110<<1xxxxx110000xxxxxxxxxx", AInstEmit.Smull_V, typeof(AOpCodeSimdReg));
SetA64("01011110xx1xxxxx000011xxxxxxxxxx", AInstEmit.Sqadd_S, typeof(AOpCodeSimdReg));
SetA64("0x001110xx1xxxxx000011xxxxxxxxxx", AInstEmit.Sqadd_V, typeof(AOpCodeSimdReg));
SetA64("0x00111100>>>xxx100111xxxxxxxxxx", AInstEmit.Sqrshrn_V, typeof(AOpCodeSimdShImm));
SetA64("01011110<<100001010010xxxxxxxxxx", AInstEmit.Sqxtn_S, typeof(AOpCodeSimd));
SetA64("0x001110<<100001010010xxxxxxxxxx", AInstEmit.Sqxtn_V, typeof(AOpCodeSimd));
@ -421,6 +423,8 @@ namespace ChocolArm64
SetA64("0x101110<<1xxxxx101011xxxxxxxxxx", AInstEmit.Uminp_V, typeof(AOpCodeSimdReg));
SetA64("0x001110000xxxxx001111xxxxxxxxxx", AInstEmit.Umov_S, typeof(AOpCodeSimdIns));
SetA64("0x101110<<1xxxxx110000xxxxxxxxxx", AInstEmit.Umull_V, typeof(AOpCodeSimdReg));
SetA64("01111110xx1xxxxx000011xxxxxxxxxx", AInstEmit.Uqadd_S, typeof(AOpCodeSimdReg));
SetA64("0x101110xx1xxxxx000011xxxxxxxxxx", AInstEmit.Uqadd_V, typeof(AOpCodeSimdReg));
SetA64("01111110<<100001010010xxxxxxxxxx", AInstEmit.Uqxtn_S, typeof(AOpCodeSimd));
SetA64("0x101110<<100001010010xxxxxxxxxx", AInstEmit.Uqxtn_V, typeof(AOpCodeSimd));
SetA64("0>101110<<1xxxxx010001xxxxxxxxxx", AInstEmit.Ushl_V, typeof(AOpCodeSimdReg));

20
ChocolArm64/Instruction/AInstEmitSimdArithmetic.cs
View file

@ -1052,6 +1052,16 @@ namespace ChocolArm64.Instruction
EmitVectorWidenRnRmBinaryOpSx(Context, () => Context.Emit(OpCodes.Mul));
}
public static void Sqadd_S(AILEmitterCtx Context)
{
EmitScalarSaturatingOpSxSx(Context, () => Context.Emit(OpCodes.Add));
}
public static void Sqadd_V(AILEmitterCtx Context)
{
EmitVectorSaturatingOpSxSx(Context, () => Context.Emit(OpCodes.Add));
}
public static void Sqxtn_S(AILEmitterCtx Context)
{
EmitScalarSaturatingNarrowOpSxSx(Context, () => { });
@ -1216,6 +1226,16 @@ namespace ChocolArm64.Instruction
EmitVectorWidenRnRmBinaryOpZx(Context, () => Context.Emit(OpCodes.Mul));
}
public static void Uqadd_S(AILEmitterCtx Context)
{
EmitScalarSaturatingOpZxZx(Context, () => Context.Emit(OpCodes.Add));
}
public static void Uqadd_V(AILEmitterCtx Context)
{
EmitVectorSaturatingOpZxZx(Context, () => Context.Emit(OpCodes.Add));
}
public static void Uqxtn_S(AILEmitterCtx Context)
{
EmitScalarSaturatingNarrowOpZxZx(Context, () => { });

109
ChocolArm64/Instruction/AInstEmitSimdHelper.cs
View file

@ -773,6 +773,115 @@ namespace ChocolArm64.Instruction
}
}
public static void EmitScalarSaturatingOpSxSx(AILEmitterCtx Context, Action Emit)
{
EmitSaturatingOp(Context, Emit, true, true, true);
}
public static void EmitScalarSaturatingOpSxZx(AILEmitterCtx Context, Action Emit)
{
EmitSaturatingOp(Context, Emit, true, false, true);
}
public static void EmitScalarSaturatingOpZxZx(AILEmitterCtx Context, Action Emit)
{
EmitSaturatingOp(Context, Emit, false, false, true);
}
public static void EmitVectorSaturatingOpSxSx(AILEmitterCtx Context, Action Emit)
{
EmitSaturatingOp(Context, Emit, true, true, false);
}
public static void EmitVectorSaturatingOpSxZx(AILEmitterCtx Context, Action Emit)
{
EmitSaturatingOp(Context, Emit, true, false, false);
}
public static void EmitVectorSaturatingOpZxZx(AILEmitterCtx Context, Action Emit)
{
EmitSaturatingOp(Context, Emit, false, false, false);
}
public static void EmitSaturatingOp(
AILEmitterCtx Context,
Action Emit,
bool SignedSrc,
bool SignedDst,
bool Scalar)
{
AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
int Elems = !Scalar ? 8 >> Op.Size : 1;
int ESize = 8 << Op.Size;
long TMaxValue = SignedDst ? (1 << (ESize - 1)) - 1 : (1L << ESize) - 1L;
long TMinValue = SignedDst ? -((1 << (ESize - 1))) : 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, SignedSrc);
EmitVectorExtract(Context, Op.Rm, Index, Op.Size + 1, SignedSrc);
Emit();
Context.Emit(OpCodes.Dup);
Context.EmitLdc_I8(TMaxValue);
Context.Emit(SignedSrc ? OpCodes.Ble_S : OpCodes.Ble_Un_S, LblLe);
Context.Emit(OpCodes.Pop);
Context.EmitLdc_I8(TMaxValue);
Context.EmitLdc_I8(0x8000000L);
Context.EmitSttmp();
Context.Emit(OpCodes.Br_S, LblGeEnd);
Context.MarkLabel(LblLe);
Context.Emit(OpCodes.Dup);
Context.EmitLdc_I8(TMinValue);
Context.Emit(SignedSrc ? OpCodes.Bge_S : OpCodes.Bge_Un_S, LblGeEnd);
Context.Emit(OpCodes.Pop);
Context.EmitLdc_I8(TMinValue);
Context.EmitLdc_I8(0x8000000L);
Context.EmitSttmp();
Context.MarkLabel(LblGeEnd);
if (Scalar)
{
EmitVectorZeroLower(Context, Op.Rd);
}
EmitVectorInsertTmp(Context, Index, Op.Size);
}
Context.EmitLdvectmp();
Context.EmitStvec(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 EmitScalarSaturatingNarrowOpSxSx(AILEmitterCtx Context, Action Emit)
{
EmitSaturatingNarrowOp(Context, Emit, true, true, true);