------- Comment #39 from bonzini at gnu dot org  2008-03-02 12:26 -------
Subject: Re:  [4.3/4.4 Regression] Revision 119502 causes
 significantly slower results with 4.3/4.4 compared to 4.2


> The problem still exists for the first two test cases.
> As I noted in comment #8 there is a significant speedup from -O2 to -O3 for
> g++-4.2 (18s -> 5s)
> With the current g++-4.3 there is no difference between -O2 and -O3 (both 14s)
> "-fforce-addr" which produced significant speedup does not exist anymore.

So maybe we need to restore part of -fforce-addr's behavior, but not the 
one that caused regressions.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33604

Reply via email to