[Bug tree-optimization/40210] gcc byte swap builtins inadequately optimized

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40210

--- Comment #10 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-10-07 
18:29:07 UTC ---
(In reply to comment #9)
> Created attachment 25442 [details]
> testcase

I think those are hard to optimize really since those are inline-asm really. 
And the unsigned short one gets optimized correctly.