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Update AInstEmitSimdArithmetic.cs

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LDj3SNuD 2018-10-13 22:38:40 +02:00 • committed by GitHub
commit 6d127abdaa
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1 changed files with 46 additions and 16 deletions
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62
ChocolArm64/Instruction/AInstEmitSimdArithmetic.cs
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@ -82,20 +82,6 @@ namespace ChocolArm64.Instruction
} }
public static void Cls_V(AILEmitterCtx Context) 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; AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
@ -110,7 +96,44 @@ namespace ChocolArm64.Instruction
Context.EmitLdc_I4(ESize); Context.EmitLdc_I4(ESize);
Emit(); ASoftFallback.EmitCall(Context, nameof(ASoftFallback.CountLeadingSigns));
EmitVectorInsert(Context, Op.Rd, Index, Op.Size);
}
if (Op.RegisterSize == ARegisterSize.SIMD64)
{
EmitVectorZeroUpper(Context, Op.Rd);
}
}
public static void Clz_V(AILEmitterCtx Context)
{
AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
int Bytes = Op.GetBitsCount() >> 3;
int Elems = Bytes >> Op.Size;
int ESize = 8 << Op.Size;
for (int Index = 0; Index < Elems; Index++)
{
EmitVectorExtractZx(Context, Op.Rn, Index, Op.Size);
if (Lzcnt.IsSupported && ESize == 32)
{
Context.Emit(OpCodes.Conv_U4);
Context.EmitCall(typeof(Lzcnt).GetMethod(nameof(Lzcnt.LeadingZeroCount), new Type[] { typeof(uint) }));
Context.Emit(OpCodes.Conv_U8);
}
else
{
Context.EmitLdc_I4(ESize);
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.CountLeadingZeros));
}
EmitVectorInsert(Context, Op.Rd, Index, Op.Size); EmitVectorInsert(Context, Op.Rd, Index, Op.Size);
} }
@ -131,7 +154,14 @@ namespace ChocolArm64.Instruction
{ {
EmitVectorExtractZx(Context, Op.Rn, Index, 0); EmitVectorExtractZx(Context, Op.Rn, Index, 0);
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.CountSetBits8)); if (Popcnt.IsSupported)
{
Context.EmitCall(typeof(Popcnt).GetMethod(nameof(Popcnt.PopCount), new Type[] { typeof(ulong) }));
}
else
{
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.CountSetBits8));
}
EmitVectorInsert(Context, Op.Rd, Index, 0); EmitVectorInsert(Context, Op.Rd, Index, 0);
} }