(In reply to smoki from comment #13)
>  This looks to me like another "32bit toolchain caused stutter" like in bug
> 83436
> 
>  Lorenzo, can you try how it goes if you add in your script also '-mtune' to
> both CFLAGS and CXXFLAGS ?

Yeah, looks like it's the same issue, btw I've rebuilded mesa with 
" .. -mtune=native -march=native .." and nothing change with newer 3.19 kernel.

I get 1 FPS in menus/settings and around 30 in game.
With the 3.16rc6 I get always 60FPS (vsync enabled).