[Bug middle-end/50481] builtin to reverse the bit order

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=50481

--- Comment #33 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Georg-Johann Lay <g...@gcc.gnu.org>:

https://gcc.gnu.org/g:bc43bf57757f34f349149cf93b81d8dcdbe411a2

commit r17-598-gbc43bf57757f34f349149cf93b81d8dcdbe411a2
Author: Georg-Johann Lay <a...@gjlay.de>
Date:   Tue May 19 13:33:00 2026 +0200

    AVR: Add bitreverseqi2 insns.

    Now that https://gcc.gnu.org/r17-591 has been applied, the
    middle-end will express 8-bit bitreverse code in terms of
    a 16-bit bitreverse.  Therefore, add bitreverseqi2 insns.

            PR target/50481
    gcc/
            * config/avr/avr.md (bitreverseqi2): New insn-and-split.
            (*bitreverseqi2): New insn.