[Bug rtl-optimization/95123] [10/11 Regression] Wrong code w/ -O2 -fselective-scheduling2 -funroll-loops --param early-inlining-insns=5 --param loop-invariant-max-bbs-in-loop=3 --param max-jump-thread-duplication-stmts=0

asolokha at gmx dot com gcc-bugzilla@gcc.gnu.org
Thu May 14 10:33:05 GMT 2020


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95123

--- Comment #3 from Arseny Solokha <asolokha at gmx dot com> ---
(In reply to Alexander Monakov from comment #1)
> If you still have the compiler binary, you can help out by testing with
> sel-sched debug counters: if you append -fdbg-cnt=sel_sched_insn_cnt:0 to
> the "bad" command line, it should work again (as sel-sched will not move
> anything), with -fdbg-cnt=sel_sched_insn_cnt:99999 it should fail. We use
> this for isolating a problematic transformation (by bisecting on the counter
> value).

It still works w/ counter value 79, starts failing at 80.


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