[Bug tree-optimization/104240] SLP discovery does not consider swapping comparisons

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104240

--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>:

https://gcc.gnu.org/g:41e3db05d697405256b6002d8432955a93d249f1

commit r13-71-g41e3db05d697405256b6002d8432955a93d249f1
Author: Richard Biener <rguenther@suse.de>
Date:   Mon May 2 12:01:51 2022 +0200

    tree-optimization/104240 - SLP discovery with swapped comparisons

    The following extends SLP discovery to handle swapped operands
    in comparisons.

    2022-05-02  Richard Biener  <rguenther@suse.de>

            PR tree-optimization/104240
            * tree-vect-slp.cc (op1_op0_map): New.
            (vect_get_operand_map): Handle compares.
            (vect_build_slp_tree_1): Support swapped operands for
            tcc_comparison.

            * gcc.dg/vect/bb-slp-pr104240.c: New testcase.