[Bug target/13423] sh-elf: V4SFmode passed in integer registers

[olegendo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=13423

--- Comment #6 from Oleg Endo <olegendo at gcc dot gnu.org> ---
Note:

For things like:

#pragma pack (4)
struct x
{
  int a;
  v4sf b;
};

vec_load_lanesmn and vec_store_lanesmn patterns should probably also be
implemented.