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[Bug middle-end/54146] Very slow compile at -O1 (expand vars)
- 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, 31 Jul 2012 20:33:56 +0000
- Subject: [Bug middle-end/54146] Very slow compile at -O1 (expand vars)
- Auto-submitted: auto-generated
- References: <bug-54146-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54146
--- Comment #3 from Steven Bosscher <steven at gcc dot gnu.org> 2012-07-31 20:33:56 UTC ---
Time is spent in add_scope_conflicts() in this loop:
FOR_EACH_BB (bb)
add_scope_conflicts_1 (bb, work, true);