[Bug target/101908] [12 regression] cray regression with -O2 -ftree-slp-vectorize compared to -O2

crazylht at gmail dot com gcc-bugzilla@gcc.gnu.org
Fri Mar 11 08:48:02 GMT 2022


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101908

--- Comment #35 from Hongtao.liu <crazylht at gmail dot com> ---
(In reply to Richard Biener from comment #34)
> I can confirm this observation on Zen2.  Note perf still records STLF
> failures
penalty is much higher on Znver3 than zen2 for the same case(v2df).


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