http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54240
--- Comment #10 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-08-14 11:47:01 UTC --- (In reply to comment #9) > (In reply to comment #8) > > (In reply to comment #7) > > > Something else is broken, too, as the optab handlers for cmov on powerpc64 > > > appear to have gone missing. I'll get one of our back-end specialists to > > > help > > > me understand that. > > > > They are only enabled for TARGET_ISEL<sel> which is either TARGET_ISEL or > > TARGET_ISEL64 which is correct as ppc64 does not have isel by default. > > Right. But the problem is the optab entries are no longer being built at all > when configured correctly. Something seems to have changed recently to break > this. Richard changed optabs to a sparse representation IIRC.
