[Bug target/81988] [7/8 regression] invalid std instruction with odd register

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81988

--- Comment #6 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> I've attached a reduced testcase which fails on GCC 7 and 8 with the same
> kind of error. This issue is an STD instruction which tries to store an odd
> numbered register which is not allowed:

Can you also attach the original, preprocessed testcase?