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[Bug bootstrap/52391] [4.7/4.8 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: Sun, 06 May 2012 21:40:18 +0000
- Subject: [Bug bootstrap/52391] [4.7/4.8 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 #14 from Steven Bosscher <steven at gcc dot gnu.org> 2012-05-06 21:40:18 UTC ---
Created attachment 27328
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27328
Remove unused sched_branch_type stuff from m68k
Patch speaks for itself.
Without patch, trunk r186902, run time for genattrtab is 9m03s.
With the m68k-specific pieces of this patch, genattrtab run time is 1m53s.