https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114345
--- Comment #5 from Tamar Christina <tnfchris at gcc dot gnu.org> --- (In reply to Richard Biener from comment #4) > Well, the shuffling in .LOAD_LANES will be a bit awkward to do, but sure. We > basically lack "constant folding" of .LOAD_LANES and similarly of course > we can't see through .STORE_LANES of a constant when later folding a scalar > load from the same memory. I guess it becomes harder with the 3 and 4 lane ones, but the 2 lanes one is just a single VEC_PERM_EXPR no?
