##sttrb_execute
bits(64) address;
bits(datasize) data;
boolean wb_unknown = FALSE;
boolean rt_unknown = FALSE;

if memop == MemOp_LOAD && wback && n == t && n != 31 then
    case c of
end

if memop == MemOp_STORE && wback && n == t && n != 31 then
    case c of
end

if n == 31 then
    address = SP[];
else
    address = X[n];
end

if ! postindex then
    address = address + offset;
end

case memop of
    when MemOp_STORE
        if rt_unknown then
            data = bits(datasize) UNKNOWN;
        else
            data = X[t];
        end
        Mem[address, datasize / 8, acctype] = data;
    end

    when MemOp_LOAD
        data = Mem[address, datasize / 8, acctype];
        if signed then
            X[t] = SignExtend(data, regsize);
        else
            X[t] = ZeroExtend(data, regsize);
        end

    end
    when MemOp_PREFETCH
        Prefetch(address, t<4:0>);
    end

if wback then
    if wb_unknown then
        address = bits(64) UNKNOWN;
    elsif postindex then
        address = address + offset;
    end
    if n == 31 then
        SP[] = address;
    else
        X[n] = address;
    end
end
@@