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[Bug middle-end/39326] Segmentation fault with -O1, out of memory with -O2
- From: "steven at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 07 Mar 2013 17:33:28 +0000
- Subject: [Bug middle-end/39326] Segmentation fault with -O1, out of memory with -O2
- Auto-submitted: auto-generated
- References: <bug-39326-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39326
--- Comment #36 from Steven Bosscher <steven at gcc dot gnu.org> 2013-03-07 17:33:28 UTC ---
(In reply to comment #29)
> Yeah, one of my minor TLC patches. Most of the excessive memory
> usage for regular testcases can be fixed by doing LIM on
> all siblings of the loop tree independently, instead of keeping
> data on all loops in the function live at the same time
> (I've not finished _that_ TLC patch - and it won't help for
> insanely deep nests, of course)
It would be very helpful if you can try to recover this one at least, or
explain a bit more what you had done. I don't see right away in the code
what you mean.