S/390: arch13: vector load byte reversed element and replicate

S/390: arch13: vector load byte reversed element and replicate

gcc/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	("*vec_splats_bswap_vec<mode>", "*vec_splats_bswap_elem<mode>"):
	New insn definition.
	* config/s390/vx-builtins.md (V_HW_HSD): Move to ...
	* config/s390/vector.md (V_HW_HSD): ... here.

gcc/testsuite/ChangeLog:

2019-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

	* gcc.target/s390/zvector/replicate-bswap-1.c: New test.
	* gcc.target/s390/zvector/replicate-bswap-2.c: New test.

From-SVN: r270088