[Bug rtl-optimization/83530] [8 Regression] ICE in reset_sched_cycles_in_current_ebb, at sel-sched.c:7150

["pthaugen at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83530

--- Comment #9 from Pat Haugen <pthaugen at gcc dot gnu.org> ---
(In reply to Andrey Belevantsev from comment #8)
> I will take a look.  The ICE is within the code that models the scheduling
> loop in order to get the proper insn ticks and everything for later MD
> processing (it is equivalent to always scheduling the next insn).  Either
> there is an issue in that loop that wasn't uncovered anywhere but powerpc or
> there is some subtlety in the powerpc cpu model that is triggered there.  It
> is not very pleasant to find out and fix usually so it will take time.

Thanks, appreciate that. I did find out the isssue is not very pleasant to
track down as you state.