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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/92692] Saving off the callee saved register between
 ldxr/stxr (caused by shrink wrapping improvements)
Date: Wed, 01 Apr 2020 14:22:56 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D92692

--- Comment #24 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-9 branch has been updated by Kyrylo Tkachov
<ktkachov@gcc.gnu.org>:

https://gcc.gnu.org/g:ea376dd471a3b006bc48945c1d9a29408ab17a04

commit r9-8434-gea376dd471a3b006bc48945c1d9a29408ab17a04
Author: Kyrylo Tkachov <kyrylo.tkachov@arm.com>
Date:   Wed Apr 1 12:09:09 2020 +0100

    [AArch64] Fix shrinkwrapping interactions with atomics (PR92692)

    2020-04-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

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

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