http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59305
--- Comment #11 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot
Uni-Bielefeld.DE> ---
> --- Comment #10 from Iain Sandoe <iains at gcc dot gnu.org> ---
> (In reply to Rainer Orth from comment #9)
>> I see the same issue on some Solaris 10/SPARC systems on UltraSPARC T2:
>
> do you use the default mutex-based implementation for lib atomic?
I do, since this is the only option on SPARC.
> (I suspect that this is where the darwin slowness originates)
>
> if I configure --with-cpu=core2 (which allows 16b exchanges) the time drops
> from ~50m => 5m with the complex double tests dominating as you have.
Even that seems to require ifunc support, which isn't supported on Solaris
even with gld.
Rainer
