https://bugs.kde.org/show_bug.cgi?id=476465

--- Comment #4 from Arne Juul <ar...@vespa.ai> ---
after upgrading to GCC 13 we're seeing that the compiler generates LDAPR
instructions
for simple code when "RCpc" extension is enabled, as described here:
https://community.arm.com/arm-community-blogs/b/tools-software-ides-blog/posts/enabling-rcpc-in-gcc-and-llvm

I've attached a minimal patch that handles the simple variants of LDAPR
together with LDAR, following doc here:
https://developer.arm.com/documentation/ddi0602/2023-06/Base-Instructions/LDAPR--Load-Acquire-RCpc-Register-

There's various other variants which I have not attempted handling of
(including Post-index variant, also described in the doc above).

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