https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91654
Bug ID: 91654
Summary: Regressions of SPEC2017 rate caused by r274994
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: regression
Assignee: unassigned at gcc dot gnu.org
Reporter: crazylht at gmail dot com
Target Milestone: ---
compiled with -march=skylake-avx512 -Ofast -funroll-loops -flto
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531.deepsjeng_r -7.18%
548.exchange_r -6.70%
557.xz_r -6.74%
508.namd_r -2.81%
527.cam4_r -6.48%
544.nab_r -3.99%
Tested on skylake server.
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Refer to
https://gcc.gnu.org/ml/gcc-patches/2019-08/msg02129.html
