S/390: arch13: vector load/store byte reversed element for builtins

S/390: arch13: vector load/store byte reversed element for builtins

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

	* config/s390/vecintrin.h: Map vec_vster low-level builtins to vec_vler.
	* config/s390/vx-builtins.md ("*vec_insert_and_zero_bswap<mode>")
	("*vec_set_bswap_elem<mode>", "*vec_set_bswap_vec<mode>")
	("*vec_extract_bswap_vec<mode>", "*vec_extract_bswap_elem<mode>"):
	New insn definitions.

gcc/testsuite/ChangeLog:

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

	* gcc.target/s390/zvector/bswap-and-replicate-1.c: New test.
	* gcc.target/s390/zvector/get-element-bswap-1.c: New test.
	* gcc.target/s390/zvector/get-element-bswap-2.c: New test.
	* gcc.target/s390/zvector/get-element-bswap-3.c: New test.
	* gcc.target/s390/zvector/get-element-bswap-4.c: New test.
	* gcc.target/s390/zvector/set-element-bswap-1.c: New test.
	* gcc.target/s390/zvector/set-element-bswap-2.c: New test.
	* gcc.target/s390/zvector/set-element-bswap-3.c: New test.

From-SVN: r270086