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Implement some 32-bit Thumb instructions (#3614)

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* Implement some 32-bit Thumb instructions

* Optimize OpCode32MemMult using PopCount
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gdkchan 2022-08-25 06:59:34 -03:00 • committed by GitHub
parent b994dafe7a
commit eba682b767
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13 changed files with 190 additions and 15 deletions
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31
ARMeilleure/Decoders/OpCodeT32MemImm8D.cs Normal file
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namespace ARMeilleure.Decoders
{
class OpCodeT32MemImm8D : OpCodeT32, IOpCode32Mem
{
public int Rt { get; }
public int Rt2 { get; }
public int Rn { get; }
public bool WBack { get; }
public bool IsLoad { get; }
public bool Index { get; }
public bool Add { get; }
public int Immediate { get; }
public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCodeT32MemImm8D(inst, address, opCode);
public OpCodeT32MemImm8D(InstDescriptor inst, ulong address, int opCode) : base(inst, address, opCode)
{
Rt2 = (opCode >> 8) & 0xf;
Rt = (opCode >> 12) & 0xf;
Rn = (opCode >> 16) & 0xf;
Index = ((opCode >> 24) & 1) != 0;
Add = ((opCode >> 23) & 1) != 0;
WBack = ((opCode >> 21) & 1) != 0;
Immediate = opCode & 0xff;
IsLoad = ((opCode >> 20) & 1) != 0;
}
}
}