[Bug rtl-optimization/55177] missed optimizations with __builtin_bswap

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55177

--- Comment #11 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2013-03-09 00:05:46 UTC ---
> Eric,
>   I have some patches to improve __builtin_bswap* that I can line up for 4.9. 
> Do you mind if I take this bug?  They are located on the pinskia/bytewiseunop
> branch in git:
> http://gcc.gnu.org/git/?p=gcc.git;a=shortlog;h=refs/heads/pinskia/bytewiseunop

I have something too (albeit preliminary), but go ahead.