[Bug target/104189] enable 64-bit compare-and-swap on SPARC/Linux with V9

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104189

--- Comment #9 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Eric Botcazou <ebotcazou@gcc.gnu.org>:

https://gcc.gnu.org/g:23987912ddb4207de0714d81237f93f613557d1f

commit r12-6938-g23987912ddb4207de0714d81237f93f613557d1f
Author: Eric Botcazou <ebotcazou@adacore.com>
Date:   Mon Jan 31 09:21:48 2022 +0100

    Use V8+ default in 32-bit mode on SPARC64/Linux

    This is what has been done for ages on SPARC/Solaris and makes it possible
    to use 64-bit atomic instructions even in 32-bit mode.

    gcc/
            PR target/104189
            * config/sparc/linux64.h (TARGET_DEFAULT): Add MASK_V8PLUS.