pub fn get_fp2_addsub_chip<F, const BLOCKS: usize, const BLOCK_SIZE: usize>(
config: ExprBuilderConfig,
mem_helper: SharedMemoryHelper<F>,
range_checker: SharedVariableRangeCheckerChip,
bitwise_lookup_chip: SharedBitwiseOperationLookupChip<RV32_CELL_BITS>,
pointer_max_bits: usize,
) -> Fp2Chip<F, BLOCKS, BLOCK_SIZE>