gcc/:

	* config/aarch64/aarch64-simd.md (vec_store_lanesoi_lane<mode>,
	vec_store_lanesci_lane<mode>, vec_store_lanesxi_lane<mode>):
	Flip lane index back at assembly time for bigendian.

gcc/testsuite/:

	* gcc.target/aarch64/vstN_lane_1.c: New file.

From-SVN: r222582