[Bug tree-optimization/127984] [15/16/17 Regression] wrong code at -O2 and -O3 for a bit-reflected CRC loop of 24 iterations since r15-5850

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127984

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2026-10-18
             Status|UNCONFIRMED                 |NEW
                 CC|                            |jakub at gcc dot gnu.org
     Ever confirmed|0                           |1
            Summary|[15/16/17 Regression] wrong |[15/16/17 Regression] wrong
                   |code at -O2 and -O3 for a   |code at -O2 and -O3 for a
                   |bit-reflected CRC loop of   |bit-reflected CRC loop of
                   |24 iterations               |24 iterations since
                   |                            |r15-5850

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Started with r15-5850-g4d2b9202fe94c54e63fb07d48293a78da3d82532