[Bug target/106701] Compiler does not take into account number range limitation to avoid subtract from immediate

[rguenther at suse dot de via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106701

--- Comment #4 from rguenther at suse dot de <rguenther at suse dot de> ---
On Wed, 24 Aug 2022, rdapp at gcc dot gnu.org wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106701
> 
> --- Comment #3 from rdapp at gcc dot gnu.org ---
> I though expand (or combine) were independent of value range. What would be 
> the
> proper place for it then?

I think we use ranges during expansion already, otherwise gimple-isel.cc
might be a good place.