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[Bug middle-end/38729] long time needed in tree canonical iv
- From: "jv244 at cam dot ac dot uk" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 20 Jun 2009 16:15:39 -0000
- Subject: [Bug middle-end/38729] long time needed in tree canonical iv
- References: <bug-38729-6642@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from jv244 at cam dot ac dot uk 2009-06-20 16:15 -------
timings with '-O1 -fbounds-check'
4.3.1: 3m40.229s
4.4.1: 4m34.003s
4.5.0: 5m30.149s
all slow... and not improving (vs 20s at -O0 -fbounds-check)
--
jv244 at cam dot ac dot uk changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to fail| |4.3.1 4.4.1 4.5.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38729