http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56979
--- Comment #6 from Richard Earnshaw <rearnsha at gcc dot gnu.org> ---
Fixed with
PR target/56979
* arm.c (aapcs_vfp_allocate): Decompose the argument if the
suggested mode for the assignment isn't compatible with the
registers required.
On Trunk: r201598.
