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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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7
ChocolArm64/AOpCodeTable.cs
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@ -8,7 +8,7 @@ namespace ChocolArm64
{
static AOpCodeTable()
{
#region "OpCode Table"
#region "OpCode Table"
//Integer
Set("x0011010000xxxxx000000xxxxxxxxxx", AInstEmit.Adc, typeof(AOpCodeAluRs));
Set("x0111010000xxxxx000000xxxxxxxxxx", AInstEmit.Adcs, typeof(AOpCodeAluRs));
@ -41,6 +41,7 @@ namespace ChocolArm64
Set("x1111010010xxxxxxxxx10xxxxxxxxxx", AInstEmit.Ccmp, typeof(AOpCodeCcmpImm));
Set("x1111010010xxxxxxxxx00xxxxxxxxxx", AInstEmit.Ccmp, typeof(AOpCodeCcmpReg));
Set("11010101000000110011xxxx01011111", AInstEmit.Clrex, typeof(AOpCodeSystem));
Set("x101101011000000000101xxxxxxxxxx", AInstEmit.Cls, typeof(AOpCodeAlu));
Set("x101101011000000000100xxxxxxxxxx", AInstEmit.Clz, typeof(AOpCodeAlu));
Set("x0011010110xxxxx010000xxxxxxxxxx", AInstEmit.Crc32b, typeof(AOpCodeAluRs));
Set("x0011010110xxxxx010001xxxxxxxxxx", AInstEmit.Crc32h, typeof(AOpCodeAluRs));
@ -68,7 +69,7 @@ namespace ChocolArm64
Set("xx111000010xxxxxxxxxxxxxxxxxxxxx", AInstEmit.Ldr, typeof(AOpCodeMemImm));
Set("xx11100101xxxxxxxxxxxxxxxxxxxxxx", AInstEmit.Ldr, typeof(AOpCodeMemImm));
Set("xx111000011xxxxxxxxx10xxxxxxxxxx", AInstEmit.Ldr, typeof(AOpCodeMemReg));
Set("xx011000xxxxxxxxxxxxxxxxxxxxxxxx", AInstEmit.LdrLit, typeof(AOpCodeMemLit));
Set("xx011000xxxxxxxxxxxxxxxxxxxxxxxx", AInstEmit.LdrLit, typeof(AOpCodeMemLit));
Set("0x1110001x0xxxxxxxxxxxxxxxxxxxxx", AInstEmit.Ldrs, typeof(AOpCodeMemImm));
Set("0x1110011xxxxxxxxxxxxxxxxxxxxxxx", AInstEmit.Ldrs, typeof(AOpCodeMemImm));
Set("10111000100xxxxxxxxxxxxxxxxxxxxx", AInstEmit.Ldrs, typeof(AOpCodeMemImm));
@ -442,4 +443,4 @@ namespace ChocolArm64
return AInst.Undefined;
}
}
}
}

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);
}
}
}
}

10
ChocolArm64/Instruction/ASoftFallback.cs
View File

@ -20,6 +20,14 @@ namespace ChocolArm64.Instruction
Context.EmitCall(typeof(ASoftFallback), MthdName);
}
public static uint CountLeadingSigns32(uint Value) => (uint)CountLeadingSigns(Value, 32);
public static ulong CountLeadingSigns64(ulong Value) => (ulong)CountLeadingSigns(Value, 64);
private static ulong CountLeadingSigns(ulong Value, int Size)
{
return CountLeadingZeros((Value >> 1) ^ Value, Size - 1);
}
public static uint CountLeadingZeros32(uint Value) => (uint)CountLeadingZeros(Value, 32);
public static ulong CountLeadingZeros64(ulong Value) => (ulong)CountLeadingZeros(Value, 64);
@ -398,4 +406,4 @@ namespace ChocolArm64.Instruction
throw new ArgumentOutOfRangeException(nameof(Size));
}
}
}
}