[Bug middle-end/108073] [rs6000] sub-optimal float member accessing on struct parameter

[guojiufu at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108073

--- Comment #2 from Jiu Fu Guo <guojiufu at gcc dot gnu.org> ---
(In reply to Surya Kumari Jangala from comment #1)
> Hi Jiu Fu Guo, are you working on this bug? If not, I would like to take
> this up.

Thanks for your asking!
I drafted an experimental patch. Welcome for any comments or refactoring :)