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

hubicka at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Thu Apr 9 19:45:00 GMT 2015


--- Comment #11 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
(talos4)$ sh compile  -fno-tree-sra

real    0m52.668s
user    0m52.365s
sys     0m0.348s

So it indeed looks like issue related to either vectorizer getting too fancy
with prior SRA or simply an register pressure issue.

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