S/390: arch13: vector shift double by bit builtins

S/390: arch13: vector shift double by bit builtins

gcc/ChangeLog:

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

	* config/s390/s390-builtin-types.def: Add new builtin function
	types.
	* config/s390/s390-builtins.def (s390_vec_sldb, s390_vec_srdb):
	New overloaded builtins.
	(s390_vec_sldb, s390_vec_srdb): New low-level builtins.  and
	s390_vsrd.
	* config/s390/s390.md (UNSPEC_VEC_SLDB): Rename to ...
	(UNSPEC_VEC_SLDBYTE): ... this.
	(UNSPEC_VEC_SLDBIT, UNSPEC_VEC_SRDBIT): New constant definitions.
	* config/s390/vecintrin.h (vec_sldb, vec_srdb): New builtin name
	definitions.
	* config/s390/vx-builtins.md ("vec_sld<mode>", "vec_sldw<mode>"):
	Rename UNSPEC_VEC_SLDB to UNSPEC_VEC_SLDBYTE.
	("vec_sldb<mode>", "vec_srdb<mode>"): New insn definitions.

gcc/testsuite/ChangeLog:

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

	* gcc.target/s390/zvector/vec-shift-left-double-by-bit-1.c: New test.
	* gcc.target/s390/zvector/vec-shift-right-double-by-bit-1.c: New test.

From-SVN: r270089