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(parent: e7d406d) | patch
loop-iv.c (implies_p): Detect additional cases where A implies B.
authorBernd Schmidt <bernd.schmidt@analog.com>
Sat, 24 Feb 2007 13:40:54 +0000 (13:40 +0000)
committerBernd Schmidt <bernds@gcc.gnu.org>
Sat, 24 Feb 2007 13:40:54 +0000 (13:40 +0000)
commit606830199c76c965def1e4a202525820328f0988
tree67928433b94e9ad8469534989cfdcbab20edfa74tree | snapshot
parente7d406d5392e7174efa6c18644364d030543334bcommit | diff
loop-iv.c (implies_p): Detect additional cases where A implies B.

* loop-iv.c (implies_p): Detect additional cases where A implies B.
(determine_max_iter): Take additional LOOP arg; all callers changed.
Lose broken logic dealing with PLUS.  Try to limit the upper bound by
one using simplifications.

From-SVN: r122288
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