libcrux_ml_kem_vector_portable_arithmetic_montgomery_reduce_element
return libcrux_ml_kem_vector_portable_arithmetic_montgomery_reduce_element(product);
int16_t aj_bj = libcrux_ml_kem_vector_portable_arithmetic_montgomery_reduce_element(aj_bj_);
int16_t o0 = libcrux_ml_kem_vector_portable_arithmetic_montgomery_reduce_element(ai_bi_aj_bj);
int16_t o1 = libcrux_ml_kem_vector_portable_arithmetic_montgomery_reduce_element(ai_bj_aj_bi);