loop.c (struct movable): Add insert_temp, shrink savemode.

loop.c (struct movable): Add insert_temp, shrink savemode.

2003-02-28  Dale Johannesen <dalej@apple.com>

      * loop.c (struct movable): Add insert_temp, shrink savemode.
      (scan_loop): Accept invariants that require copying; mark as
      insert_temp.
      (combine_movables): Don't combine insert_temp movables.
      (move_movables): Insert copies for insert_temp movables.
      Don't record the info based on regno for insert_temp's.

From-SVN: r63572