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[Bug bootstrap/52391] [4.7 regression] genattrtab almost 5X slower for m68k than in 4.6 and earlier releases
- 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: Tue, 28 Feb 2012 09:00:21 +0000
- Subject: [Bug bootstrap/52391] [4.7 regression] genattrtab almost 5X slower for m68k than in 4.6 and earlier releases
- Auto-submitted: auto-generated
- References: <bug-52391-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52391
--- Comment #10 from Steven Bosscher <steven at gcc dot gnu.org> 2012-02-28 09:00:21 UTC ---
F, that backtrace was due to an error in the patch I had to look at what
simplify_and_tree was doing.
genattrtab is trying to simplify huge and-trees, mostly for m68k_sched_* symbol
refs.