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Subject: [Bug testsuite/106345] Some ppc64le tests fail with -mcpu=power9
 -mtune=power9
Date: Tue, 02 Aug 2022 03:58:32 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106345

--- Comment #7 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-12 branch has been updated by Kewen Lin <linkw@gcc.gnu.org=
>:

https://gcc.gnu.org/g:5f583aa1c56af983ca8f2b8bc57122c4be5a6e55

commit r12-8651-g5f583aa1c56af983ca8f2b8bc57122c4be5a6e55
Author: Peter Bergner <bergner@linux.ibm.com>
Date:   Mon Jul 25 00:51:44 2022 -0500

    rs6000: Adjust -mdejagnu-cpu to filter out -mtune [PR106345]

    As PR106345 shows, when configuring compiler with an explicit
    option --with-tune=3D<value>, it would cause some test cases to
    fail if their test points are sensitive to tune setting, such
    as: group_ending_nop, loop align etc.  It doesn't help that
    even to specify one explicit -mcpu=3D.

    This patch is to adjust the behavior of -mdejagnu-cpu by
    filtering out all -mcpu=3D and -mtune=3D options, then test cases
    would use <cpu> as tune as the one specified by -mdejagnu-cpu.

    2022-07-25  Peter Bergner  <bergner@linux.ibm.com>
                Kewen Lin  <linkw@linux.ibm.com>

            PR testsuite/106345

    gcc/ChangeLog:

            * config/rs6000/rs6000.h (DRIVER_SELF_SPECS): Adjust -mdejagnu-=
cpu
            to filter out all -mtune options.

    (cherry picked from commit 75d20d6c84c12bedd65a904e462f02f0b9eb3f77)=