[Bug target/38306] [4.4/4.5/4.6 Regression] 15% slowdown w.r.t. 4.3 of computational kernel on some architectures

[bonzini at gnu dot org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38306

--- Comment #22 from Paolo Bonzini <bonzini at gnu dot org> 2011-02-21 07:55:35 
UTC ---
What is the performance with 4.3 -O2?  A regression that is limited to -O3 is
(a bit) less important since -O3 is still a "mixing bag" of optimizations that
might or might not be proficient.