S/390: PR80464: Split MEM->GPR vector moves

S/390: PR80464: Split MEM->GPR vector moves

We do this already for TImode values but it was missing for vector
modes.

gcc/ChangeLog:

2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	PR target/80464
	* config/s390/vector.md: Split MEM->GPR vector moves for
	non-s_operand addresses.

gcc/testsuite/ChangeLog:

2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	PR target/80464
	* gfortran.fortran-torture/compile/pr80464.f90: New test.

From-SVN: r247134