> Could you explain why a special expansion is needed? (Sorry if you already > have and I missed it, bit overloaded ATM.) What does it do that is > different from what expand_fn_using_insn would do?
All it does (in excess) is shuffle the arguments - vcond_mask_len has the mask as third operand similar to vcond_mask while vec_cond has the mask first. I can swap them in the IFN already but when not swapping we will either be inconsistent with vec_cond or with vcond_mask. Regards Robin
