[Bug target/107102] SVE function fails to realize it doesn't need the frame-pointer in the tail call.

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107102

Richard Sandiford <rsandifo at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|unassigned at gcc dot gnu.org      |rsandifo at gcc dot 
gnu.org
             Status|NEW                         |ASSIGNED

--- Comment #2 from Richard Sandiford <rsandifo at gcc dot gnu.org> ---
This is because aarch64_function_ok_for_sibcall requires the callee and caller
to have the same PCS.  For these purposes, we should be able to assume AAPCS64
< SIMD < SVE (X < Y meaning X can tail call Y).