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[Bug rtl-optimization/68173] gcc takes a long time and a lot of memory with -O0 on source file with very large expression
- From: "stevenb.gcc at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 23 Dec 2015 08:33:52 +0000
- Subject: [Bug rtl-optimization/68173] gcc takes a long time and a lot of memory with -O0 on source file with very large expression
- Auto-submitted: auto-generated
- References: <bug-68173-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68173
--- Comment #15 from stevenb.gcc at gmail dot com <stevenb.gcc at gmail dot com> ---
> I wonder if we should (finally) use a RB tree for bitmap. I even remember
> some patches posted to improve this (from Steven?) this or last year?
I used splay trees, they're a lot easier than balanced trees like RB or AVL.
https://gcc.gnu.org/ml/gcc-patches/2013-03/msg00170.html