https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68707
--- Comment #12 from rguenther at suse dot de <rguenther at suse dot de> --- On Fri, 11 Dec 2015, alalaw01 at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68707 > > --- Comment #10 from alalaw01 at gcc dot gnu.org --- > slp-perm-11.c: a 16-iteration loop gets unrolled *2, and now uses an st2, but > no load_lanes, just a bunch of ldr's: 10 rather than the original 3(*2). 3 > strs > become 4 stp's (+st2). Doesn't look like an improvement! I'll look at this case as I intended to make sure using load-lanes is possible. Hopefully reproduces with a cross ;)