parity_optab = init_optab (PARITY);
sqrt_optab = init_optab (SQRT);
floor_optab = init_optab (UNKNOWN);
+ lfloor_optab = init_optab (UNKNOWN);
ceil_optab = init_optab (UNKNOWN);
round_optab = init_optab (UNKNOWN);
btrunc_optab = init_optab (UNKNOWN);