[Bug rtl-optimization/84660] Combine doing wrong optimization for 64 bits with SHIFT_COUNT_TRUNCATED target

[wilson at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84660

Jim Wilson <wilson at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #9 from Jim Wilson <wilson at gcc dot gnu.org> ---
I got push back on the combine patch, and a strong opinion that we should be
using shift/and combiner patterns instead of SHIFT_COUNT_TRUNCATED, so I ended
up writing a patch to fix the problem that way and checked it in.