> > > This grew insn-automata.cc from 201502 lines to 639968 lines and the > > > build of the automata (genautomata) to several minutes in my dev tree. > > > > Yeah, in my unoptimized non-bootstrapped development tree genautomata > > now takes over 12 minutes on a fast box, that is simply not acceptable. > > Thank you for notifying us. > > tejassanjay.jo...@amd.com has posted a patch for review to fix this (as per > Honza's comments). > Ref: https://gcc.gnu.org/pipermail/gcc-patches/2022-October/604144.html
By the way, it appears pre-existing znver[123] models are also causing some kind of combinatorial blow-up, but before znver4 it was not a blocking issue: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87832 Alexander
