On Fri, Mar 25, 2022 at 06:45:41PM +0100, Andreas Krebbel wrote:
> gcc/ChangeLog:
> PR target/102024
> * config/s390/s390-protos.h (s390_function_arg_vector): Remove
> prototype.
> * config/s390/s390.cc (s390_single_field_struct_p): New function.
>
For IBM Z in particular there is a problem with structs like:
struct A { float a; int :0; };
Our ABI document allows passing a struct in an FPR only if it has
exactly one member. On the other hand it says that structs of 1,2,4,8
bytes are passed in a GPR. So this struct is expected to be passed
