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

[wilco at gcc dot gnu.org]

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

Wilco <wilco at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED
   Target Milestone|9.3                         |8.4
            Summary|[9 Regression] Saving off   |Saving off the callee saved
                   |the callee saved register   |register between ldxr/stxr
                   |between ldxr/stxr (caused   |(caused by shrink wrapping
                   |by shrink wrapping          |improvements)
                   |improvements)               |

--- Comment #20 from Wilco <wilco at gcc dot gnu.org> ---
Backported to GCC8 and GCC9, fixed on all active branches.