On Sun, 20 Oct 2013, Richard Sandiford wrote:
> Another follow-up to yesterday's patch. This one implements Richard's
> suggestion of having an is_sign_extended trait to optimise cases where
> excess upper bits are known to be signs rather than undefined.
>
> The uses so far are:
>
> * make to_
Another follow-up to yesterday's patch. This one implements Richard's
suggestion of having an is_sign_extended trait to optimise cases where
excess upper bits are known to be signs rather than undefined.
The uses so far are:
* make to_shwi () equivalent to slow ()
* turn eq_p into a simple loop
