IS_IMPL_BIT_SET
if (!IS_IMPL_BIT_SET(sig_args_p->fsp, impl_bit_num))
#define IS_RRIP_IMPLEMENTED(fsp) (IS_IMPL_BIT_SET(fsp, RRIP_BIT) ? 1 : 0)
#define IS_SUSP_IMPLEMENTED(fsp) (IS_IMPL_BIT_SET(fsp, 0) ? 1 : 0)