arm: improve tests for vrshlq*

gcc/testsuite/ChangeLog:

	* gcc.target/arm/mve/intrinsics/vrshlq_m_n_s16.c: Improve tests.
	* gcc.target/arm/mve/intrinsics/vrshlq_m_n_s32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_m_n_s8.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_m_n_u16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_m_n_u32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_m_n_u8.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_m_s16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_m_s32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_m_s8.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_m_u16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_m_u32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_m_u8.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_n_s16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_n_s32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_n_s8.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_n_u16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_n_u32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_n_u8.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_s16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_s32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_s8.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_u16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_u32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_u8.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_x_s16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_x_s32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_x_s8.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_x_u16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_x_u32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vrshlq_x_u8.c: Likewise.
30 files changed