This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug middle-end/23971] Compilation takes a long time with -O2 option
- From: "falk at debian dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 20 Sep 2005 12:45:18 -0000
- Subject: [Bug middle-end/23971] Compilation takes a long time with -O2 option
- References: <20050919192030.23971.tsv@solvo.ru>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From falk at debian dot org 2005-09-20 12:45 -------
Slightly simplified test case:
unsigned long f(unsigned long x) { return x * 5445825408751490200UL; }
(compile time 33.49s)
So it's just synth_mult running amok, and this has nothing to do with ivopts.
--
What |Removed |Added
----------------------------------------------------------------------------
Component|tree-optimization |middle-end
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23971