public override AArch32Instruction Decode(uint wInstr, T32Disassembler dasm)
{
// A hack -- we patch up the output of the regular decoder.
var instr = base.Decode(wInstr, dasm);
ImmediateOperand opLsb;
ImmediateOperand opMsb;
if (instr.Operands.Length > 3)
{
opMsb = (ImmediateOperand)instr.Operands[3];
opLsb = (ImmediateOperand)instr.Operands[2];
}
else
{
opMsb = (ImmediateOperand)instr.Operands[2];
opLsb = (ImmediateOperand)instr.Operands[1];
}
int width = opMsb.Value.ToInt32() - opLsb.Value.ToInt32() + 1;
if (width <= 0)
{
return(dasm.CreateInvalidInstruction());
}
var opWidth = ImmediateOperand.Word32(width);
if (instr.Operands.Length > 3)
{
instr.Operands[3] = opWidth;
}
else
{
instr.Operands[2] = opWidth;
}
return(instr);
}
public override AArch32Instruction Decode(uint wInstr, T32Disassembler dasm)
{
DumpMaskedInstruction(wInstr, 0, this.mnemonic);
dasm.state.mnemonic = this.mnemonic;
dasm.state.iclass = this.iclass;
dasm.state.vectorData = this.vec;
for (int i = 0; i < mutators.Length; ++i)
{
if (!mutators[i](wInstr, dasm))
{
return(dasm.CreateInvalidInstruction());
}
}
var instr = dasm.state.MakeInstruction();
return(instr);
}
