PR target/71663
gcc
	* config/aarch64/aarch64.c (aarch64_expand_vector_init):
	Improve vector initialization code gen for only variable case.

gcc/testsuite
	* gcc.target/aarch64/vect-init-1.c: Newtestcase.
	* gcc.target/aarch64/vect-init-2.c: Likewise.
	* gcc.target/aarch64/vect-init-3.c: Likewise.
	* gcc.target/aarch64/vect-init-4.c: Likewise.
	* gcc.target/aarch64/vect-init-5.c: Likewise.


Co-Authored-By: Naveen H.S <Naveen.Hurugalawadi@cavium.com>

From-SVN: r249187