[Bug libstdc++/119645] GCN, nvptx: libstdc++ 'checking for atomic builtins [...]... no'

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119645

--- Comment #3 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The trunk branch has been updated by Thomas Schwinge <tschwi...@gcc.gnu.org>:

https://gcc.gnu.org/g:1321df5bc05663021313c17f4af54b950aa05d01

commit r16-563-g1321df5bc05663021313c17f4af54b950aa05d01
Author: Thomas Schwinge <tschwi...@baylibre.com>
Date:   Mon May 12 11:06:47 2025 +0200

    GCN, nvptx libstdc++: Force use of '__atomic' builtins: revert
'atomicity_dir=cpu/generic/atomicity_builtins' hard-coding [PR119645]"

    Thanks to commit 86627faec10da53d7532805019e5296fcf15ac09
    "libstdc++: Rewrite atomic builtin checks [PR70560]", for both GCN, nvptx
    we now get:

        +configure:16060: checking for atomic builtins for _Atomic_word
        +[...]
        +configure:16073: result: yes

    ..., and thus may revert the 'atomicity_dir=cpu/generic/atomicity_builtins'
    hard-coding added in commit 059b5509c14904b55c37f659170240ae0d2c1c8e
    "GCN, nvptx libstdc++: Force use of '__atomic' builtins [PR119645]".

            PR target/119645
            libstdc++-v3/
            * configure.host [GCN, nvptx] (atomicity_dir): Don't set.