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[Bug bootstrap/52391] [4.7 regression] genattrtab almost 5X slower for m68k than in 4.6 and earlier releases
- From: "mikpe at it dot uu.se" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 27 Feb 2012 21:40:21 +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 #4 from Mikael Pettersson <mikpe at it dot uu.se> 2012-02-27 21:40:21 UTC ---
My bisection identified that:
in r178386 genattrtab timings are comparable to gcc-4.6,
in r178387 genattrtab got 8.4 times slower, and
in r178388 genattrtab improved to being "only" 5 times slower than 4.6.