Finding the name of a given constant using reflection
If performance is your concern I would implement getCCName as a lookup in a map that's filled when the class is loaded, e.g. like

private static final Map&lt;Integer, String&gt; _int2string;

static
{
    final Map&lt;Integer, String&gt; int2string = new HashMap&lt;&gt;();

    try
    {
        for (Field field: Arm_const.class.getFields())
        {
            final int mod = field.getModifiers();

            if (!int.class.equals(field.getType()))
                continue;

            if (!Modifier.isStatic(mod) || !Modifier.isPublic(mod))
                continue;

            if (!field.getName().startsWith("ARM_CC_"))
                continue;

            int2string.put(field.getInt(null),
                           field.getName().substring("ARM_CC_".length()));
        }
    }
    catch (IllegalAccessException l_e)
    {
        throw new RuntimeException(l_e); // should not occur
    }

    _int2string = Collections.unmodifiableMap(int2string);
}

public static String getCCName(int cc)
{
    return _int2string.get(cc);
}