https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83663
James Greenhalgh <jgreenhalgh at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2018-01-03 CC| |jgreenhalgh at gcc dot gnu.org Assignee|unassigned at gcc dot gnu.org |jgreenhalgh at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from James Greenhalgh <jgreenhalgh at gcc dot gnu.org> --- I spotted this too, the problem is (as it always is for big-endian vectors in GCC) the mismatch in lane numbering between our architecture and GCC's numbering. I'm working on a patch. Sorry for the inconvenience.