[Bug target/49391] [arm] sp not accepted as input for alu operation

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49391

--- Comment #4 from Richard Earnshaw <rearnsha at gcc dot gnu.org> ---
The restriction was removed in v8-a, but not in v8-m as far as I can tell