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Implement Sqshrun_V & Sqshrun_S

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Unknown 2018-07-18 01:55:23 +02:00
parent 98223b0e7d
commit b89681c596
2 changed files with 46 additions and 0 deletions
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2
ChocolArm64/AOpCodeTable.cs
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@ -373,6 +373,8 @@ namespace ChocolArm64
SetA64("0x001110<<1xxxxx100000xxxxxxxxxx", AInstEmit.Smlal_V, typeof(AOpCodeSimdReg)); SetA64("0x001110<<1xxxxx100000xxxxxxxxxx", AInstEmit.Smlal_V, typeof(AOpCodeSimdReg));
SetA64("0x001110<<1xxxxx101000xxxxxxxxxx", AInstEmit.Smlsl_V, typeof(AOpCodeSimdReg)); SetA64("0x001110<<1xxxxx101000xxxxxxxxxx", AInstEmit.Smlsl_V, typeof(AOpCodeSimdReg));
SetA64("0x001110<<1xxxxx110000xxxxxxxxxx", AInstEmit.Smull_V, typeof(AOpCodeSimdReg)); SetA64("0x001110<<1xxxxx110000xxxxxxxxxx", AInstEmit.Smull_V, typeof(AOpCodeSimdReg));
SetA64("0111111100>>>xxx100001xxxxxxxxxx", AInstEmit.Sqshrun_S, typeof(AOpCodeSimdShImm));
SetA64("0x10111100>>>xxx100001xxxxxxxxxx", AInstEmit.Sqshrun_V, typeof(AOpCodeSimdShImm));
SetA64("0x00111100>>>xxx100111xxxxxxxxxx", AInstEmit.Sqrshrn_V, typeof(AOpCodeSimdShImm)); SetA64("0x00111100>>>xxx100111xxxxxxxxxx", AInstEmit.Sqrshrn_V, typeof(AOpCodeSimdShImm));
SetA64("01011110<<100001010010xxxxxxxxxx", AInstEmit.Sqxtn_S, typeof(AOpCodeSimd)); SetA64("01011110<<100001010010xxxxxxxxxx", AInstEmit.Sqxtn_S, typeof(AOpCodeSimd));
SetA64("0x001110<<100001010010xxxxxxxxxx", AInstEmit.Sqxtn_V, typeof(AOpCodeSimd)); SetA64("0x001110<<100001010010xxxxxxxxxx", AInstEmit.Sqxtn_V, typeof(AOpCodeSimd));

44
ChocolArm64/Instruction/AInstEmitSimdShift.cs
View file

@ -80,6 +80,50 @@ namespace ChocolArm64.Instruction
EmitVectorZeroUpper(Context, Op.Rd); EmitVectorZeroUpper(Context, Op.Rd);
} }
} }
public static void Sqshrun_S(AILEmitterCtx Context)
{
AOpCodeSimdShImm Op = (AOpCodeSimdShImm)Context.CurrOp;
int Shift = GetImmShr(Op);
long RoundConst = 1L << (Shift - 1);
Action Emit = () =>
{
Context.EmitLdc_I8(RoundConst);
Context.Emit(OpCodes.Add);
Context.EmitLdc_I4(Shift);
Context.Emit(OpCodes.Shr);
};
EmitScalarSaturatingNarrowOpSxZx(Context, Emit);
}
public static void Sqshrun_V(AILEmitterCtx Context)
{
AOpCodeSimdShImm Op = (AOpCodeSimdShImm)Context.CurrOp;
int Shift = GetImmShr(Op);
long RoundConst = 1L << (Shift - 1);
Action Emit = () =>
{
Context.EmitLdc_I8(RoundConst);
Context.Emit(OpCodes.Add);
Context.EmitLdc_I4(Shift);
Context.Emit(OpCodes.Shr);
};
EmitVectorSaturatingNarrowOpSxZx(Context, Emit);
}
public static void Sqrshrn_V(AILEmitterCtx Context) public static void Sqrshrn_V(AILEmitterCtx Context)
{ {