diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-01-31 09:00:54 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-01-31 09:00:54 +0000 |
| commit | 56dfa44a46a8cb654cb8f977c2f4de8b55106a57 (patch) | |
| tree | d6aeb452f86b1642240ab74d863ba99b6bd83792 /gcc/tree-ssa-loop-niter.c | |
| parent | 5789f1f82430087fe0a479641b5fcb81b275c5dd (diff) | |
| download | ppe42-gcc-56dfa44a46a8cb654cb8f977c2f4de8b55106a57.tar.gz ppe42-gcc-56dfa44a46a8cb654cb8f977c2f4de8b55106a57.zip | |
2013-01-31 Richard Biener <rguenther@suse.de>
PR middle-end/53073
* common.opt (faggressive-loop-optimizations): New flag,
enabled by default.
* doc/invoke.texi (faggressive-loop-optimizations): Document.
* tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Guard
infer_loop_bounds_from_undefined by it.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@195610 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-loop-niter.c')
| -rw-r--r-- | gcc/tree-ssa-loop-niter.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/tree-ssa-loop-niter.c b/gcc/tree-ssa-loop-niter.c index 2d93462b550..7ba7416f37a 100644 --- a/gcc/tree-ssa-loop-niter.c +++ b/gcc/tree-ssa-loop-niter.c @@ -3336,7 +3336,8 @@ estimate_numbers_of_iterations_loop (struct loop *loop) } exits.release (); - infer_loop_bounds_from_undefined (loop); + if (flag_aggressive_loop_optimizations) + infer_loop_bounds_from_undefined (loop); discover_iteration_bound_by_body_walk (loop); |
