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From: "crazylht at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/94375] 548.exchange2_r run time is 8-18%
 worse than GCC 9 at -Ofast -march=native
Date: Mon, 30 Mar 2020 05:16:00 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94375

--- Comment #1 from Hongtao.liu <crazylht at gmail dot com> ---
Try -mprefer-vector-width=3D128,256-bit vectorization is not helpful for 548
according to our experience.=