bzero optimization rarely does

[Kaveh R. Ghazi]

 > 2002-07-11  Roger Sayle  <roger@eyesopen.com>
 > 
 > 	* expr.c [CLEAR_RATIO]: New macro defining the maximum number
 >         of move instructions to use when clearing memory,
 >         c.f. MOVE_RATIO.  [CLEAR_BY_PIECES_P]: New macro, using
 >         CLEAR_RATIO, to determine whether clear_by_pieces should be
 >         used to clear storage.  (clear_storage): Use CLEAR_BY_PIECES_P
 >         instead of MOVE_BY_PIECES_P.

How about a testcase patterned after execute/string-opt-17.c?

(Must len really be less than 2 before we abort in the static memset?)

Also, you probably want to cc gcc-patches.

		--Kaveh
--
Kaveh R. Ghazi			Director of Systems Architecture
ghazi@caip.rutgers.edu		Qwest Solutions