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[Bug tree-optimization/83438] [8 Regression] 435.gromacs miscompares
- 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: Tue, 19 Dec 2017 09:02:39 +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
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |marxin at gcc dot gnu.org
--- Comment #4 from Martin Liška <marxin at gcc dot gnu.org> ---
So it's hard to isolate a single transformation that's responsible.
Jeff maybe you can come up with a dbg_cnt that will be usable to find a single
transformation?
Having that one can use --param lto-partitions=1 to isolate that.