shift_operator_helper  502 ext/gmp/gmp.c  		shift_operator_helper(mpz_pow_ui, result, op1, op2);
shift_operator_helper  509 ext/gmp/gmp.c  		shift_operator_helper(mpz_mul_2exp, result, op1, op2);
shift_operator_helper  512 ext/gmp/gmp.c  		shift_operator_helper(mpz_fdiv_q_2exp, result, op1, op2);