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[Bug rtl-optimization/78116] [7 regression] Performance drop after r241173 on avx512 target
- From: "ysrumyan at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 27 Oct 2016 17:07:02 +0000
- Subject: [Bug rtl-optimization/78116] [7 regression] Performance drop after r241173 on avx512 target
- Auto-submitted: auto-generated
- References: <bug-78116-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78116
--- Comment #5 from Yuri Rumyantsev <ysrumyan at gmail dot com> ---
Yes, some virtual register are allocated on stack and we got more loads from
stack to get their values.