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[Bug tree-optimization/31040] unroll/peel loops not aggressive enough
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 5 Mar 2007 12:22:01 -0000
- Subject: [Bug tree-optimization/31040] unroll/peel loops not aggressive enough
- References: <bug-31040-6642@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from rguenth at gcc dot gnu dot org 2007-03-05 12:22 -------
Note that in addition to unrolling the outermost loop you can experiment with
adjusting the --param max-completely-peeled-insns param. Also I wonder if
DO lxb=0,0
is really common (if so, the frontend might want to lower this differently).
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31040