[Bug target/109632] Inefficient codegen when complex numbers are emulated with structs

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109632

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Well, the usual unknown ABI boundary at function entry/exit.