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Update AInstEmitSimdArithmetic.cs

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LDj3SNuD 2018-04-25 02:36:35 +02:00 • committed by GitHub
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commit f216f52dd1
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37
ChocolArm64/Instruction/AInstEmitSimdArithmetic.cs
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@ -109,6 +109,43 @@ namespace ChocolArm64.Instruction
EmitScalarSet(Context, Op.Rd, Op.Size);
}
public static void Cls_V(AILEmitterCtx Context)
{
MethodInfo MthdInfo = typeof(ASoftFallback).GetMethod(nameof(ASoftFallback.CountLeadingSigns));
EmitCountLeadingBits(Context, () => Context.EmitCall(MthdInfo));
}
public static void Clz_V(AILEmitterCtx Context)
{
MethodInfo MthdInfo = typeof(ASoftFallback).GetMethod(nameof(ASoftFallback.CountLeadingZeros));
EmitCountLeadingBits(Context, () => Context.EmitCall(MthdInfo));
}
private static void EmitCountLeadingBits(AILEmitterCtx Context, Action Emit)
{
AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
int Bytes = Context.CurrOp.GetBitsCount() >> 3;
for (int Index = 0; Index < (Bytes >> Op.Size); Index++)
{
EmitVectorExtractZx(Context, Op.Rn, Index, Op.Size);
Context.EmitLdc_I4(8 << Op.Size);
Emit();
EmitVectorInsert(Context, Op.Rd, Index, Op.Size);
}
if (Op.RegisterSize == ARegisterSize.SIMD64)
{
EmitVectorZeroUpper(Context, Op.Rd);
}
}
public static void Cnt_V(AILEmitterCtx Context)
{
AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;