Add sparc 3D array addressing VIS intrinsics.

Add sparc 3D array addressing VIS intrinsics.

gcc/

	* config/sparc/sparc.md (UNSPEC_ARRAY8, UNSPEC_ARRAY16,
	UNSPEC_ARRAY32): New unspec.
	(define_attr type): New type 'array'.
	(array{8,16,32}<P:mode>_vis): New patterns.
	* config/sparc/ultra1_2.md: Add reservations for 'array'.
	* config/sparc/ultra3.md: Likewise.
	* config/sparc/niagara.md: Likewise.
	* config/sparc/niagara2.md: Likewise.
	* config/sparc/sparc.c (sparc_vis_init_builtins): Build new
	array builtins.
	* config/sparc/visintrin.h (__vis_array8, __vis_array16,
	__vis_array32): New.
	* doc/extend.texi: Document new VIS builtins.

gcc/testsuite/

	* gcc.target/sparc/array.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@179334 138bc75d-0d04-0410-961f-82ee72b054a4