[Bug target/109567] Useless stack adjustment by 16 around calls with odd stack-argument counts on SysV x86_64

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109567

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Compiling with -fno-omit-frame-pointer shows what is happening really.

It is reserving space for the frame pointer on the stack. I am not 100% sure
but I think that is required even if the frame pointer is not saved/restored.