------- 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