[Bug rtl-optimization/77499] [7 Regression] Regression after code-hoisting, due to combine pass failing to evaluate known value range

[avieira at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77499

avieira at gcc dot gnu.org changed:

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

--- Comment #12 from avieira at gcc dot gnu.org ---
I heard Kugan was working on getting rid of superfluous zero_extends. Adding
him to the watch list.

@Kugan: Could your work help this case? And when do you plan to have it
submitted?