https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103938
--- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Alex Coplan from comment #7) > A bisect shows this started with > r12-2288-g8695bf78dad1a42636775843ca832a2f4dba4da3 : > > commit 8695bf78dad1a42636775843ca832a2f4dba4da3 > Author: Jonathan Wright <jonathan.wri...@arm.com> > Date: Wed Jun 2 16:55:00 2021 +0100 > > gcc: Add vec_select -> subreg RTL simplification > > which makes it a [12/13 Regression], unless I'm missing something? Should it > be a P1? It only ices for checking and does not produce wrong code when release checking so it would be a p2 in my mind. Plus it was latent before that patch as I could reproduce on a gcc 10 (maybe I have some other optimizations added which expose it in gcc 10).
