[Bug ipa/65701] [5 Regression] r221530 makes 187.facerec drop with -Ofast -flto on bdver2

hubicka at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Fri Apr 10 19:46:00 GMT 2015


--- Comment #15 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
It would be nice to test it on AVX enabled intel CPU.  There are IMO at least
two things - first is the vectorizer oddity, second is that the fastest code
seems to happen with large-function-insns=1000.

I have no problem with adjusting this argument - it was largery unutuned for
years, but I would like to have some idea why the inlining hurts and if we can
fix that instead. Sadly the functions are quite big...

More information about the Gcc-bugs mailing list