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Update AInstEmitSimdArithmetic.cs

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LDj3SNuD 2018-08-08 17:51:14 +02:00 • committed by GitHub
parent e433ebdcfd
commit db02095f37
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ChocolArm64/Instruction/AInstEmitSimdArithmetic.cs
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@ -158,6 +158,43 @@ namespace ChocolArm64.Instruction
Context.MarkLabel(LblTrue);
}
private static void EmitDoublingMultiplyHighHalf(AILEmitterCtx Context, bool Round)
{
AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
int ESize = 8 << Op.Size;
Context.Emit(OpCodes.Mul);
if (!Round)
{
Context.EmitAsr(ESize - 1);
}
else
{
long RoundConst = 1L << (ESize - 1);
AILLabel LblFalse = new AILLabel();
Context.EmitLsl(1);
Context.EmitLdc_I8(RoundConst);
Context.Emit(OpCodes.Add);
Context.EmitAsr(ESize);
Context.Emit(OpCodes.Dup);
Context.EmitLdc_I8((long)int.MinValue);
Context.Emit(OpCodes.Ceq);
Context.Emit(OpCodes.Brfalse_S, LblFalse);
Context.Emit(OpCodes.Neg);
Context.MarkLabel(LblFalse);
}
}
private static void EmitHighNarrow(AILEmitterCtx Context, Action Emit, bool Round)
{
AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
@ -1040,6 +1077,16 @@ namespace ChocolArm64.Instruction
EmitVectorSaturatingBinaryOpSx(Context, SaturatingFlags.Add);
}
public static void Sqdmulh_S(AILEmitterCtx Context)
{
EmitSaturatingBinaryOp(Context, () => EmitDoublingMultiplyHighHalf(Context, Round: false), SaturatingFlags.ScalarSx);
}
public static void Sqdmulh_V(AILEmitterCtx Context)
{
EmitSaturatingBinaryOp(Context, () => EmitDoublingMultiplyHighHalf(Context, Round: false), SaturatingFlags.VectorSx);
}
public static void Sqneg_S(AILEmitterCtx Context)
{
EmitScalarSaturatingUnaryOpSx(Context, () => Context.Emit(OpCodes.Neg));
@ -1050,6 +1097,16 @@ namespace ChocolArm64.Instruction
EmitVectorSaturatingUnaryOpSx(Context, () => Context.Emit(OpCodes.Neg));
}
public static void Sqrdmulh_S(AILEmitterCtx Context)
{
EmitSaturatingBinaryOp(Context, () => EmitDoublingMultiplyHighHalf(Context, Round: true), SaturatingFlags.ScalarSx);
}
public static void Sqrdmulh_V(AILEmitterCtx Context)
{
EmitSaturatingBinaryOp(Context, () => EmitDoublingMultiplyHighHalf(Context, Round: true), SaturatingFlags.VectorSx);
}
public static void Sqsub_S(AILEmitterCtx Context)
{
EmitScalarSaturatingBinaryOpSx(Context, SaturatingFlags.Sub);