[Bug middle-end/84200] r256888 causes 30% performance regression of 519.lbm_r at -Ofast generic tuning on Zen

sebastian.peryt at intel dot com gcc-bugzilla@gcc.gnu.org
Mon Feb 5 08:23:00 GMT 2018


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84200

Sebastian Peryt <sebastian.peryt at intel dot com> changed:

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                 CC|                            |sebastian.peryt at intel dot com

--- Comment #1 from Sebastian Peryt <sebastian.peryt at intel dot com> ---
I'm not sure if that can be treated as duplicate but that performance
degradation looks like is related to PR84149.


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