[AArch64] vmov_n changes

[AArch64] vmov_n changes

gcc/
	* config/aarch64/arm_neon.h (vmov_n_f32): Implemented in C.
	(vmov_n_f64): Likewise.
	(vmov_n_p8): Likewise.
	(vmov_n_p16): Likewise.
	(vmov_n_s8): Likewise.
	(vmov_n_s16): Likewise.
	(vmov_n_s32): Likewise.
	(vmov_n_s64): Likewise.
	(vmov_n_u8): Likewise.
	(vmov_n_u16): Likewise.
	(vmov_n_u32): Likewise.
	(vmov_n_u64): Likewise.
	(vmovq_n_f32): Likewise.
	(vmovq_n_f64): Likewise.
	(vmovq_n_p8): Likewise.
	(vmovq_n_p16): Likewise.
	(vmovq_n_s8): Likewise.
	(vmovq_n_s16): Likewise.
	(vmovq_n_s32): Likewise.
	(vmovq_n_s64): Likewise.
	(vmovq_n_u8): Likewise.
	(vmovq_n_u16): Likewise.
	(vmovq_n_u32): Likewise.
	(vmovq_n_u64): Likewise.

gcc/testsuite/
	* gcc.target/aarch64/vmov_n_1.c: New testcase.

From-SVN: r205270