[Bug middle-end/120720] __builtin_rev_crc32_data8 (and family) should be able to constant fold

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120720

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2025-06-22
           Keywords|                            |missed-optimization
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1
            Summary|__builtin_rev_crc32_data8   |__builtin_rev_crc32_data8
                   |(and family) should be      |(and family) should be able
                   |constexpr functions         |to constant fold
          Component|c++                         |middle-end
             Blocks|55004                       |

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This is NOT just about constexpr but rather it is more about constant folding
the builtins in general.


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55004
[Bug 55004] [meta-bug] constexpr issues