DEF_HELPER_3(sub_saturate, i32, env, i32, i32)
DEF_HELPER_3(add_usaturate, i32, env, i32, i32)
DEF_HELPER_3(sub_usaturate, i32, env, i32, i32)
-DEF_HELPER_2(double_saturate, i32, env, s32)
DEF_HELPER_FLAGS_2(sdiv, TCG_CALL_NO_RWG_SE, s32, s32, s32)
DEF_HELPER_FLAGS_2(udiv, TCG_CALL_NO_RWG_SE, i32, i32, i32)
DEF_HELPER_FLAGS_1(rbit, TCG_CALL_NO_RWG_SE, i32, i32)