* loop-iv.c (implies_p): Detect additional cases where A implies B.

[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog

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+2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
+
+       * 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.
+
 2007-02-23  DJ Delorie  <dj@redhat.com>
 
        * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.