[Bug ipa/85103] [8 Regression] Performance regressions on SPEC with r257582

pthaugen at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Mon Apr 9 21:03:00 GMT 2018


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85103

--- Comment #3 from Pat Haugen <pthaugen at gcc dot gnu.org> ---
(In reply to Jan Hubicka from comment #1)
> Pat, can you try to figure out what value of min-speedup is neeed to recover
> from this regression?

Using r257582, either of the following options restores the behavior of not
inlining the mainGtU call and eliminates the performance regression.

--param inline-min-speedup=18

--param max-inline-insns-auto=24


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