[Bug target/119784] -mapxf saves registers beyond red zone

[hjl.tools at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119784

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
Created attachment 61098
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=61098&action=edit
A patch

I am testing this.