Performance loss with gfortran on 64-bit Linux

[FX Coudert]

Hi all,

>  From the -static profile runs, it looks like some kind of a library 
> problem to me, as on the top of 64bit profiled run (run-pg.64s) we have:
> 
> 26.82    279.89   279.89                             fesetenv
> 19.00    478.20   198.31                             fesetround
 > [...]
>  9.35    842.30    97.57                             feholdexcept

That's crazy! Could you set up a breakpoint on any of those, to know how 
they get called?

FX