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Add Cls Instruction. (#67)

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* Update AInstEmitAlu.cs

* Update ASoftFallback.cs

* Update AOpCodeTable.cs
This commit is contained in:
LDj3SNuD 2018-03-24 02:06:05 +01:00 • committed by gdkchan
parent 0d2f073152
commit 873a7cd112
3 changed files with 32 additions and 5 deletions
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20
ChocolArm64/Instruction/AInstEmitAlu.cs
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@ -100,6 +100,24 @@ namespace ChocolArm64.Instruction
EmitDataStore(Context, SetFlags);
}
public static void Cls(AILEmitterCtx Context)
{
AOpCodeAlu Op = (AOpCodeAlu)Context.CurrOp;
Context.EmitLdintzr(Op.Rn);
if (Op.RegisterSize == ARegisterSize.Int32)
{
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.CountLeadingSigns32));
}
else
{
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.CountLeadingSigns64));
}
Context.EmitStintzr(Op.Rd);
}
public static void Clz(AILEmitterCtx Context)
{
AOpCodeAlu Op = (AOpCodeAlu)Context.CurrOp;
@ -383,4 +401,4 @@ namespace ChocolArm64.Instruction
Context.EmitStflg((int)APState.CBit);
}
}
}
}