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[Bug tree-optimization/87859] [8/9 Regression] store-merging miscompilation of mesa
- 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: Mon, 05 Nov 2018 12:55:02 +0000
- Subject: [Bug tree-optimization/87859] [8/9 Regression] store-merging miscompilation of mesa
- Auto-submitted: auto-generated
- References: <bug-87859-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87859
--- Comment #8 from Martin Liška <marxin at gcc dot gnu.org> ---
> Now that I think about it, I think I could fix this differently by adding a
> flag to the store structures that it has been merged already, but I'll
> postpone that to next week, need to work on stage1 stuff this week.
Do you mean a flag that will enable to dump how a merge to struct looks like
before and after store merging.
Btw. do you also have a debug counter for store merging? If not, I would
consider adding one.