[Bug rtl-optimization/108863] Unrolling could use range information

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108863

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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          Component|tree-optimization           |rtl-optimization

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Thomas Koenig from comment #0)
> The range information about m does not appear to be propagated to
> the unroll passes.

Most likely because range information is not propagated at all to rtl level.
In this case even just non-zero bits might be enough...