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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 target/108240] [13 Regression] Error message missing since
 r13-4894-gacc727cf02a144 (then make concealed ICE exposed)
Date: Wed, 01 Mar 2023 05:19:28 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108240

--- Comment #14 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Kewen Lin <linkw@gcc.gnu.org>:

https://gcc.gnu.org/g:392f399ae0595e6b4433c18900cc67991fb140f4

commit r13-6383-g392f399ae0595e6b4433c18900cc67991fb140f4
Author: Kewen Lin <linkw@linux.ibm.com>
Date:   Tue Feb 28 23:17:48 2023 -0600

    rs6000: Allow powerpc64 to be unset for implicit 64 bit [PR108240]

    Before r13-4894, if 64 bit is explicitly specified, option
    powerpc64 is explicitly enabled too; while if 64 bit is
    implicitly enabled and there is no explicit setting for
    option powerpc64, option powerpc64 is eventually enabled
    or not would rely on the default value of the used cpu.
    It's initially set as the setting for 64 bit, but later if
    the used cpu doesn't have powerpc64 supported by default,
    it gets cleared.

    To keep it consistent with before (also the relevant error/
    warning messages), this patch is to allow that powerpc64
    can be unset if 64 bit is enabled implicitly, and only stop
    it from being unset if 64 bit is enabled explicitly.

    Note that since the behaviors are different for implicit
    and explicit 64 bit, I failed to construct one solid test
    case since it becomes fragile once RUNTESTFLAGS specifying
    -m64 explicitly.

            PR target/108240

    gcc/ChangeLog:

            * config/rs6000/rs6000.cc (rs6000_option_override_internal): Al=
low
            implicit powerpc64 setting to be unset if 64 bit is enabled
implicitly.=