[Bug middle-end/95922] Failure to optimize `((b ^ a) & c) ^ a` to `(a & ~c) | (b & c)` the right way on architectures with andnot

rguenth at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Mon Jun 29 09:42:41 GMT 2020


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95922

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|tree-optimization           |middle-end

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Should be expand-time optimization since on GIMPLE it takes one more
instruction.


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