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[Bug gcov-profile/80952] gcc 7.1.1 has a drastic performance downgrade using "-fprofile-arcs" compared to 6.3.1 version
- From: "marxin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 02 Jun 2017 09:13:59 +0000
- Subject: [Bug gcov-profile/80952] gcc 7.1.1 has a drastic performance downgrade using "-fprofile-arcs" compared to 6.3.1 version
- Auto-submitted: auto-generated
- References: <bug-80952-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80952
--- Comment #5 from Martin Liška <marxin at gcc dot gnu.org> ---
Yep, there's my initial attempt to do that:
https://patchwork.ozlabs.org/patch/685796/
But as I discussed with Richi, he prefers more generic approach to have local
counters being updated at function exits.