[Bug tree-optimization/101280] [12 Regression] TSVC s231 slower with -Ofast -march=znver1 since r12-1836-g0ad9d88a3d7170b3

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101280

--- Comment #7 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rgue...@gcc.gnu.org>:

https://gcc.gnu.org/g:c4804ff24401733e3b470a49b8a6c9306e6cfcfa

commit r12-1973-gc4804ff24401733e3b470a49b8a6c9306e6cfcfa
Author: Richard Biener <rguent...@suse.de>
Date:   Fri Jul 2 08:51:43 2021 +0200

    tree-optimization/101280 - re-revise interchange fix for PR101173

    The following fixes up the revision of the original fix for PR101173
    to properly guard all dependence checks with DDR_REVERSED_P or its
    inverse.

    2021-07-01  Richard Biener  <rguent...@suse.de>

            PR tree-optimization/101280
            PR tree-optimization/101173
            * gimple-loop-interchange.cc
            (tree_loop_interchange::valid_data_dependences): Properly
            guard all dependence checks with DDR_REVERSED_P or its
            inverse.