[Bug target/123133] GCC misses opportunity to use ranges to elide extensions

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123133

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

           What    |Removed                     |Added
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                 CC|                            |pinskia at gcc dot gnu.org

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
The other way of improving this is improving non-zero bits for RTL and then
inside combine will change a sign-extend to zero-extend and that would be
selected.