[Bug target/92692] Saving off the callee saved register between ldxr/stxr (caused by shrink wrapping improvements)

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92692

--- Comment #25 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-8 branch has been updated by Andre Simoes Dias Vieira
<avie...@gcc.gnu.org>:

https://gcc.gnu.org/g:0b65e477890b7fe7f47a3dd85975ab7ee09b0609

commit r8-10205-g0b65e477890b7fe7f47a3dd85975ab7ee09b0609
Author: Andre Vieira <andre.simoesdiasvie...@arm.com>
Date:   Thu Apr 16 10:16:15 2020 +0100

    Aarch64: Fix shrinkwrapping interactions with atomics (PR92692)

    2020-04-16  Andre Vieira  <andre.simoesdiasvie...@arm.com>

            Backport from mainline
            2020-01-17  Wilco Dijkstra  <wdijk...@arm.com>

            PR target/92692
            * config/aarch64/atomics.md (aarch64_compare_and_swap<mode>)
            Use epilogue_completed rather than reload_completed.