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[Bug tree-optimization/83438] [8 Regression] 435.gromacs miscompares
- From: "law at redhat dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 21 Dec 2017 21:28:18 +0000
- Subject: [Bug tree-optimization/83438] [8 Regression] 435.gromacs miscompares
- Auto-submitted: auto-generated
- References: <bug-83438-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83438
--- Comment #9 from Jeffrey A. Law <law at redhat dot com> ---
My bisections keep landing on:
commit bb173647d8221f86812f4e98942960b894e9e972 (HEAD, refs/bisect/bad)
Author: hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu Nov 23 15:56:28 2017 +0000
* ipa-fnsummary.c (record_modified_bb_info): Use sreal
frequencies. Fix estimation of aggregate parameters.
* gcc.dg/ipa/inline-1.c: Update template.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@255103
138bc75d-0d04-0410-961f-82ee72b054a4
But there is something really wonky about this benchmark. There are times when
I fully expect it to pass and it fails and vice-versa. I'm really starting to
wonder if there's an uninit read in there or something similar.