https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113441
--- Comment #39 from Richard Sandiford <rsandifo at gcc dot gnu.org> --- (In reply to Richard Sandiford from comment #38) > (In reply to Richard Biener from comment #37) > > Even more iteration looks bad. I do wonder why when gather can avoid > > peeling for GAPs using load-lanes cannot? > Like you say, we don't realise that all the loads from array3[i] form a > single group. Oops, sorry, I shouldn't have gone off memory. So yeah, it's array1[] where that happens, not array3[]. The reason we don't use load-lanes is that we don't have load-lane instructions for smaller elements in larger containers, so we're forced to use load-and-permute instead.
