Patch implementing vld1_*_x3, vst1_*_x2 and vst1_*_x3 intrinsics for AARCH64 for...

Patch implementing vld1_*_x3, vst1_*_x2 and vst1_*_x3 intrinsics for AARCH64 for all types.

2018-05-31  Sameera Deshpande  <sameera.deshpande@linaro.org>

gcc/
	* config/aarch64/aarch64-simd-builtins.def (ld1x3): New.
	(st1x2): Likewise.
	(st1x3): Likewise.
	* config/aarch64/aarch64-simd.md
	(aarch64_ld1x3<VALLDIF:mode>): New pattern.
	(aarch64_ld1_x3_<mode>): Likewise
	(aarch64_st1x2<VALLDIF:mode>): Likewise
	(aarch64_st1_x2_<mode>): Likewise
	(aarch64_st1x3<VALLDIF:mode>): Likewise
	(aarch64_st1_x3_<mode>): Likewise
	* config/aarch64/arm_neon.h (vld1_u8_x3): New function.
	(vld1_s8_x3): Likewise.
	(vld1_u16_x3): Likewise.
	(vld1_s16_x3): Likewise.
	(vld1_u32_x3): Likewise.
	(vld1_s32_x3): Likewise.
	(vld1_u64_x3): Likewise.
	(vld1_s64_x3): Likewise.
	(vld1_f16_x3): Likewise.
	(vld1_f32_x3): Likewise.
	(vld1_f64_x3): Likewise.
	(vld1_p8_x3): Likewise.
	(vld1_p16_x3): Likewise.
	(vld1_p64_x3): Likewise.
	(vld1q_u8_x3): Likewise.
	(vld1q_s8_x3): Likewise.
	(vld1q_u16_x3): Likewise.
	(vld1q_s16_x3): Likewise.
	(vld1q_u32_x3): Likewise.
	(vld1q_s32_x3): Likewise.
	(vld1q_u64_x3): Likewise.
	(vld1q_s64_x3): Likewise.
	(vld1q_f16_x3): Likewise.
	(vld1q_f32_x3): Likewise.
	(vld1q_f64_x3): Likewise.
	(vld1q_p8_x3): Likewise.
	(vld1q_p16_x3): Likewise.
	(vld1q_p64_x3): Likewise.
	(vst1_s64_x2): Likewise.
	(vst1_u64_x2): Likewise.
	(vst1_f64_x2): Likewise.
	(vst1_s8_x2): Likewise.
	(vst1_p8_x2): Likewise.
	(vst1_s16_x2): Likewise.
	(vst1_p16_x2): Likewise.
	(vst1_s32_x2): Likewise.
	(vst1_u8_x2): Likewise.
	(vst1_u16_x2): Likewise.
	(vst1_u32_x2): Likewise.
	(vst1_f16_x2): Likewise.
	(vst1_f32_x2): Likewise.
	(vst1_p64_x2): Likewise.
	(vst1q_s8_x2): Likewise.
	(vst1q_p8_x2): Likewise.
	(vst1q_s16_x2): Likewise.
	(vst1q_p16_x2): Likewise.
	(vst1q_s32_x2): Likewise.
	(vst1q_s64_x2): Likewise.
	(vst1q_u8_x2): Likewise.
	(vst1q_u16_x2): Likewise.
	(vst1q_u32_x2): Likewise.
	(vst1q_u64_x2): Likewise.
	(vst1q_f16_x2): Likewise.
	(vst1q_f32_x2): Likewise.
	(vst1q_f64_x2): Likewise.
	(vst1q_p64_x2): Likewise.
	(vst1_s64_x3): Likewise.
	(vst1_u64_x3): Likewise.
	(vst1_f64_x3): Likewise.
	(vst1_s8_x3): Likewise.
	(vst1_p8_x3): Likewise.
	(vst1_s16_x3): Likewise.
	(vst1_p16_x3): Likewise.
	(vst1_s32_x3): Likewise.
	(vst1_u8_x3): Likewise.
	(vst1_u16_x3): Likewise.
	(vst1_u32_x3): Likewise.
	(vst1_f16_x3): Likewise.
	(vst1_f32_x3): Likewise.
	(vst1_p64_x3): Likewise.
	(vst1q_s8_x3): Likewise.
	(vst1q_p8_x3): Likewise.
	(vst1q_s16_x3): Likewise.
	(vst1q_p16_x3): Likewise.
	(vst1q_s32_x3): Likewise.
	(vst1q_s64_x3): Likewise.
	(vst1q_u8_x3): Likewise.
	(vst1q_u16_x3): Likewise.
	(vst1q_u32_x3): Likewise.
	(vst1q_u64_x3): Likewise.
	(vst1q_f16_x3): Likewise.
	(vst1q_f32_x3): Likewise.
	(vst1q_f64_x3): Likewise.
	(vst1q_p64_x3): Likewise.

gcc/testsuite/
	* gcc.target/aarch64/advsimd-intrinsics/vld1x3.c: New test for
	vld1x3 intrinsics for aarch64.
	* gcc.target/aarch64/advsimd-intrinsics/vst1x2.c: New test for
	vst1x2 intrinsics for aarch64.
	* gcc.target/aarch64/advsimd-intrinsics/vst1x3.c: New test for
	vst1x3 intrinsics for aarch64.

(cherry picked from commit 568421baa5a4cdb7bb7c5ac323c939492ee3f052)