[Bug tree-optimization/125442] Missed (x == 0) | ((x | y) == 0) to (x == 0)

"cvs-commit at gcc dot gnu.org via Gcc-bugs" <[email protected]> Sun, 02 Aug 2026 11:54:41 +0000

Newsgroups	gmane.comp.gcc.bugs
Message-ID	<[email protected]/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125442

--- Comment #17 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Kael Andrew Franco <[email protected]>:

https://gcc.gnu.org/g:092e382942aeb24a949caa35512f8a4e613e234e

commit r17-2886-g092e382942aeb24a949caa35512f8a4e613e234e
Author: Kael Andrew Alonzo Franco <[email protected]>
Date:   Sun Aug 2 07:53:39 2026 -0400

    match: Combine four fors into one for.

    This reduce genmatch's outputted C++ code.

    Bootstrapped and tested on x86_64-pc-linux-gnu.

            PR tree-optimization/117760
            PR tree-optimization/125442

    gcc/ChangeLog:

            * match.pd: Combine four fors into one for.