https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80425
--- Comment #3 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to Vladimir Makarov from comment #2) > So I don't know how to fix it in IRA or in LRA. I am pretty sure the > old RA and reload would have had the same problem. > > Probably the issue should be fixed in machine dependent code. But the fix > might create more problems. It is possible to create a couple of peephole2 patterns to catch this, but perhaps REE can be enhanced to optimize the above register propagation, so the solution would apply to all targets.
