[Bug libstdc++/50160] vector comparison very slow (no overload)

[marc.glisse at normalesup dot org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50160

--- Comment #29 from Marc Glisse <marc.glisse at normalesup dot org> 2011-09-22 
10:29:07 UTC ---
See Bug 50481 about bit-reversal builtins (and feel free to add details there).