[Bug tree-optimization/100922] CSE leads to fully redundant (back to back) zero-extending loads of the same thing in a loop, or a register copy

law at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Sat Mar 1 18:50:31 GMT 2025


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100922

Jeffrey A. Law <law at gcc dot gnu.org> changed:

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

--- Comment #5 from Jeffrey A. Law <law at gcc dot gnu.org> ---
The trunk converts the 2nd load into a simple reg->reg copy, as it should.  So
fixed.


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