https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94715

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|wrong-code                  |missed-optimization
            Summary|Squared multiplies are      |Squared multiplies are
                   |incorrectly signextended    |unnecessarily signextended

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Sure, but then this becomes something for RTL expansion to figure out since
this could depend on the target?  On the GIMPLE side the removed intermediate
conversion is considered cheaper.

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