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TSR Berry
2023-04-08 01:22:00 +02:00
committed by Mary
parent cd124bda58
commit cee7121058
3466 changed files with 55 additions and 55 deletions
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49
src/ARMeilleure/Decoders/OpCode.cs Normal file
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using ARMeilleure.IntermediateRepresentation;
using System;
namespace ARMeilleure.Decoders
{
class OpCode : IOpCode
{
public ulong Address { get; }
public int RawOpCode { get; }
public int OpCodeSizeInBytes { get; protected set; } = 4;
public InstDescriptor Instruction { get; protected set; }
public RegisterSize RegisterSize { get; protected set; }
public static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCode(inst, address, opCode);
public OpCode(InstDescriptor inst, ulong address, int opCode)
{
Instruction = inst;
Address = address;
RawOpCode = opCode;
RegisterSize = RegisterSize.Int64;
}
public int GetPairsCount() => GetBitsCount() / 16;
public int GetBytesCount() => GetBitsCount() / 8;
public int GetBitsCount()
{
switch (RegisterSize)
{
case RegisterSize.Int32: return 32;
case RegisterSize.Int64: return 64;
case RegisterSize.Simd64: return 64;
case RegisterSize.Simd128: return 128;
}
throw new InvalidOperationException();
}
public OperandType GetOperandType()
{
return RegisterSize == RegisterSize.Int32 ? OperandType.I32 : OperandType.I64;
}
}
}