[Bug rtl-optimization/78116] [7 regression] Performance drop after r241173 on avx512 target
pthaugen at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Thu Oct 27 17:07:00 GMT 2016
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78116
--- Comment #4 from Pat Haugen <pthaugen at gcc dot gnu.org> ---
(In reply to Yuri Rumyantsev from comment #2)
> WE also found out performance drop on another important benchmark with the
> same symptoms after r241170, namely loop marked with .L18 has +12 more fills
> from stack. The test-case will be attached.
I don't understand what "fills from stack" is, are you referring to register
spills?
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