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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/103536] Suboptimal codegen for && and ||
 combination.
Date: Tue, 05 Sep 2023 21:16:22 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103536

--- Comment #6 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The trunk branch has been updated by Andrew Pinski <pinskia@gcc.gnu.org>:

https://gcc.gnu.org/g:8e995e84233661a1a246807a66cc84003426b1df

commit r14-3722-g8e995e84233661a1a246807a66cc84003426b1df
Author: Andrew Pinski <apinski@marvell.com>
Date:   Sun Sep 3 10:17:29 2023 -0700

    MATCH: Add pattern for `(x | y) & (x & z)`

    Like the pattern already there for `(x | y) & x`,
    this adds a simple pattern to optimize `(x | y) & (x & z)`
    to just `x & z`.

    OK? Bootstrapped and tested on x86-64-linux-gnu with no regressions.

    gcc/ChangeLog:

            PR tree-optimization/103536
            * match.pd (`(x | y) & (x & z)`,
            `(x & y) | (x | z)`): New patterns.

    gcc/testsuite/ChangeLog:

            PR tree-optimization/103536
            * gcc.dg/tree-ssa/andor-6.c: New test.
            * gcc.dg/tree-ssa/andor-bool-1.c: New test.=