This patch supports following MVE ACLE intrinsics with quaternary operands.

vabdq_m_f32, vabdq_m_f16, vaddq_m_f32, vaddq_m_f16, vaddq_m_n_f32, vaddq_m_n_f16, vandq_m_f32, vandq_m_f16, vbicq_m_f32, vbicq_m_f16, vbrsrq_m_n_f32, vbrsrq_m_n_f16, vcaddq_rot270_m_f32, vcaddq_rot270_m_f16, vcaddq_rot90_m_f32, vcaddq_rot90_m_f16, vcmlaq_m_f32, vcmlaq_m_f16, vcmlaq_rot180_m_f32, vcmlaq_rot180_m_f16, vcmlaq_rot270_m_f32, vcmlaq_rot270_m_f16, vcmlaq_rot90_m_f32, vcmlaq_rot90_m_f16, vcmulq_m_f32, vcmulq_m_f16, vcmulq_rot180_m_f32, vcmulq_rot180_m_f16, vcmulq_rot270_m_f32, vcmulq_rot270_m_f16, vcmulq_rot90_m_f32, vcmulq_rot90_m_f16, vcvtq_m_n_s32_f32, vcvtq_m_n_s16_f16, vcvtq_m_n_u32_f32, vcvtq_m_n_u16_f16, veorq_m_f32, veorq_m_f16, vfmaq_m_f32, vfmaq_m_f16, vfmaq_m_n_f32, vfmaq_m_n_f16, vfmasq_m_n_f32, vfmasq_m_n_f16, vfmsq_m_f32, vfmsq_m_f16, vmaxnmq_m_f32, vmaxnmq_m_f16, vminnmq_m_f32, vminnmq_m_f16, vmulq_m_f32, vmulq_m_f16, vmulq_m_n_f32, vmulq_m_n_f16, vornq_m_f32, vornq_m_f16, vorrq_m_f32, vorrq_m_f16, vsubq_m_f32, vsubq_m_f16, vsubq_m_n_f32, vsubq_m_n_f16.

Please refer to M-profile Vector Extension (MVE) intrinsics [1]  for more details.
[1]  https://developer.arm.com/architectures/instruction-sets/simd-isas/helium/mve-intrinsics

2020-03-18  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

	* config/arm/arm_mve.h (vabdq_m_f32): Define macro.
	(vabdq_m_f16): Likewise.
	(vaddq_m_f32): Likewise.
	(vaddq_m_f16): Likewise.
	(vaddq_m_n_f32): Likewise.
	(vaddq_m_n_f16): Likewise.
	(vandq_m_f32): Likewise.
	(vandq_m_f16): Likewise.
	(vbicq_m_f32): Likewise.
	(vbicq_m_f16): Likewise.
	(vbrsrq_m_n_f32): Likewise.
	(vbrsrq_m_n_f16): Likewise.
	(vcaddq_rot270_m_f32): Likewise.
	(vcaddq_rot270_m_f16): Likewise.
	(vcaddq_rot90_m_f32): Likewise.
	(vcaddq_rot90_m_f16): Likewise.
	(vcmlaq_m_f32): Likewise.
	(vcmlaq_m_f16): Likewise.
	(vcmlaq_rot180_m_f32): Likewise.
	(vcmlaq_rot180_m_f16): Likewise.
	(vcmlaq_rot270_m_f32): Likewise.
	(vcmlaq_rot270_m_f16): Likewise.
	(vcmlaq_rot90_m_f32): Likewise.
	(vcmlaq_rot90_m_f16): Likewise.
	(vcmulq_m_f32): Likewise.
	(vcmulq_m_f16): Likewise.
	(vcmulq_rot180_m_f32): Likewise.
	(vcmulq_rot180_m_f16): Likewise.
	(vcmulq_rot270_m_f32): Likewise.
	(vcmulq_rot270_m_f16): Likewise.
	(vcmulq_rot90_m_f32): Likewise.
	(vcmulq_rot90_m_f16): Likewise.
	(vcvtq_m_n_s32_f32): Likewise.
	(vcvtq_m_n_s16_f16): Likewise.
	(vcvtq_m_n_u32_f32): Likewise.
	(vcvtq_m_n_u16_f16): Likewise.
	(veorq_m_f32): Likewise.
	(veorq_m_f16): Likewise.
	(vfmaq_m_f32): Likewise.
	(vfmaq_m_f16): Likewise.
	(vfmaq_m_n_f32): Likewise.
	(vfmaq_m_n_f16): Likewise.
	(vfmasq_m_n_f32): Likewise.
	(vfmasq_m_n_f16): Likewise.
	(vfmsq_m_f32): Likewise.
	(vfmsq_m_f16): Likewise.
	(vmaxnmq_m_f32): Likewise.
	(vmaxnmq_m_f16): Likewise.
	(vminnmq_m_f32): Likewise.
	(vminnmq_m_f16): Likewise.
	(vmulq_m_f32): Likewise.
	(vmulq_m_f16): Likewise.
	(vmulq_m_n_f32): Likewise.
	(vmulq_m_n_f16): Likewise.
	(vornq_m_f32): Likewise.
	(vornq_m_f16): Likewise.
	(vorrq_m_f32): Likewise.
	(vorrq_m_f16): Likewise.
	(vsubq_m_f32): Likewise.
	(vsubq_m_f16): Likewise.
	(vsubq_m_n_f32): Likewise.
	(vsubq_m_n_f16): Likewise.
	(__attribute__): Likewise.
	(__arm_vabdq_m_f32): Likewise.
	(__arm_vabdq_m_f16): Likewise.
	(__arm_vaddq_m_f32): Likewise.
	(__arm_vaddq_m_f16): Likewise.
	(__arm_vaddq_m_n_f32): Likewise.
	(__arm_vaddq_m_n_f16): Likewise.
	(__arm_vandq_m_f32): Likewise.
	(__arm_vandq_m_f16): Likewise.
	(__arm_vbicq_m_f32): Likewise.
	(__arm_vbicq_m_f16): Likewise.
	(__arm_vbrsrq_m_n_f32): Likewise.
	(__arm_vbrsrq_m_n_f16): Likewise.
	(__arm_vcaddq_rot270_m_f32): Likewise.
	(__arm_vcaddq_rot270_m_f16): Likewise.
	(__arm_vcaddq_rot90_m_f32): Likewise.
	(__arm_vcaddq_rot90_m_f16): Likewise.
	(__arm_vcmlaq_m_f32): Likewise.
	(__arm_vcmlaq_m_f16): Likewise.
	(__arm_vcmlaq_rot180_m_f32): Likewise.
	(__arm_vcmlaq_rot180_m_f16): Likewise.
	(__arm_vcmlaq_rot270_m_f32): Likewise.
	(__arm_vcmlaq_rot270_m_f16): Likewise.
	(__arm_vcmlaq_rot90_m_f32): Likewise.
	(__arm_vcmlaq_rot90_m_f16): Likewise.
	(__arm_vcmulq_m_f32): Likewise.
	(__arm_vcmulq_m_f16): Likewise.
	(__arm_vcmulq_rot180_m_f32): Define intrinsic.
	(__arm_vcmulq_rot180_m_f16): Likewise.
	(__arm_vcmulq_rot270_m_f32): Likewise.
	(__arm_vcmulq_rot270_m_f16): Likewise.
	(__arm_vcmulq_rot90_m_f32): Likewise.
	(__arm_vcmulq_rot90_m_f16): Likewise.
	(__arm_vcvtq_m_n_s32_f32): Likewise.
	(__arm_vcvtq_m_n_s16_f16): Likewise.
	(__arm_vcvtq_m_n_u32_f32): Likewise.
	(__arm_vcvtq_m_n_u16_f16): Likewise.
	(__arm_veorq_m_f32): Likewise.
	(__arm_veorq_m_f16): Likewise.
	(__arm_vfmaq_m_f32): Likewise.
	(__arm_vfmaq_m_f16): Likewise.
	(__arm_vfmaq_m_n_f32): Likewise.
	(__arm_vfmaq_m_n_f16): Likewise.
	(__arm_vfmasq_m_n_f32): Likewise.
	(__arm_vfmasq_m_n_f16): Likewise.
	(__arm_vfmsq_m_f32): Likewise.
	(__arm_vfmsq_m_f16): Likewise.
	(__arm_vmaxnmq_m_f32): Likewise.
	(__arm_vmaxnmq_m_f16): Likewise.
	(__arm_vminnmq_m_f32): Likewise.
	(__arm_vminnmq_m_f16): Likewise.
	(__arm_vmulq_m_f32): Likewise.
	(__arm_vmulq_m_f16): Likewise.
	(__arm_vmulq_m_n_f32): Likewise.
	(__arm_vmulq_m_n_f16): Likewise.
	(__arm_vornq_m_f32): Likewise.
	(__arm_vornq_m_f16): Likewise.
	(__arm_vorrq_m_f32): Likewise.
	(__arm_vorrq_m_f16): Likewise.
	(__arm_vsubq_m_f32): Likewise.
	(__arm_vsubq_m_f16): Likewise.
	(__arm_vsubq_m_n_f32): Likewise.
	(__arm_vsubq_m_n_f16): Likewise.
	(vabdq_m): Define polymorphic variant.
	(vaddq_m): Likewise.
	(vaddq_m_n): Likewise.
	(vandq_m): Likewise.
	(vbicq_m): Likewise.
	(vbrsrq_m_n): Likewise.
	(vcaddq_rot270_m): Likewise.
	(vcaddq_rot90_m): Likewise.
	(vcmlaq_m): Likewise.
	(vcmlaq_rot180_m): Likewise.
	(vcmlaq_rot270_m): Likewise.
	(vcmlaq_rot90_m): Likewise.
	(vcmulq_m): Likewise.
	(vcmulq_rot180_m): Likewise.
	(vcmulq_rot270_m): Likewise.
	(vcmulq_rot90_m): Likewise.
	(veorq_m): Likewise.
	(vfmaq_m): Likewise.
	(vfmaq_m_n): Likewise.
	(vfmasq_m_n): Likewise.
	(vfmsq_m): Likewise.
	(vmaxnmq_m): Likewise.
	(vminnmq_m): Likewise.
	(vmulq_m): Likewise.
	(vmulq_m_n): Likewise.
	(vornq_m): Likewise.
	(vsubq_m): Likewise.
	(vsubq_m_n): Likewise.
	(vorrq_m): Likewise.
	* config/arm/arm_mve_builtins.def (QUADOP_NONE_NONE_NONE_IMM_UNONE): Use
	builtin qualifier.
	(QUADOP_NONE_NONE_NONE_NONE_UNONE): Likewise.
	(QUADOP_UNONE_UNONE_NONE_IMM_UNONE): Likewise.
	* config/arm/mve.md (mve_vabdq_m_f<mode>): Define RTL pattern.
	(mve_vaddq_m_f<mode>): Likewise.
	(mve_vaddq_m_n_f<mode>): Likewise.
	(mve_vandq_m_f<mode>): Likewise.
	(mve_vbicq_m_f<mode>): Likewise.
	(mve_vbrsrq_m_n_f<mode>): Likewise.
	(mve_vcaddq_rot270_m_f<mode>): Likewise.
	(mve_vcaddq_rot90_m_f<mode>): Likewise.
	(mve_vcmlaq_m_f<mode>): Likewise.
	(mve_vcmlaq_rot180_m_f<mode>): Likewise.
	(mve_vcmlaq_rot270_m_f<mode>): Likewise.
	(mve_vcmlaq_rot90_m_f<mode>): Likewise.
	(mve_vcmulq_m_f<mode>): Likewise.
	(mve_vcmulq_rot180_m_f<mode>): Likewise.
	(mve_vcmulq_rot270_m_f<mode>): Likewise.
	(mve_vcmulq_rot90_m_f<mode>): Likewise.
	(mve_veorq_m_f<mode>): Likewise.
	(mve_vfmaq_m_f<mode>): Likewise.
	(mve_vfmaq_m_n_f<mode>): Likewise.
	(mve_vfmasq_m_n_f<mode>): Likewise.
	(mve_vfmsq_m_f<mode>): Likewise.
	(mve_vmaxnmq_m_f<mode>): Likewise.
	(mve_vminnmq_m_f<mode>): Likewise.
	(mve_vmulq_m_f<mode>): Likewise.
	(mve_vmulq_m_n_f<mode>): Likewise.
	(mve_vornq_m_f<mode>): Likewise.
	(mve_vorrq_m_f<mode>): Likewise.
	(mve_vsubq_m_f<mode>): Likewise.
	(mve_vsubq_m_n_f<mode>): Likewise.

gcc/testsuite/ChangeLog:

2020-03-18  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

	* gcc.target/arm/mve/intrinsics/vabdq_m_f16.c: New test.
	* gcc.target/arm/mve/intrinsics/vabdq_m_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vaddq_m_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vaddq_m_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vaddq_m_n_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vaddq_m_n_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vandq_m_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vandq_m_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vbicq_m_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vbicq_m_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vbrsrq_m_n_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vbrsrq_m_n_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcaddq_rot270_m_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcaddq_rot270_m_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcaddq_rot90_m_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcaddq_rot90_m_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcmlaq_m_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcmlaq_m_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcmlaq_rot180_m_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcmlaq_rot180_m_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcmlaq_rot270_m_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcmlaq_rot270_m_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcmlaq_rot90_m_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcmlaq_rot90_m_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcmulq_m_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcmulq_m_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcmulq_rot180_m_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcmulq_rot180_m_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcmulq_rot270_m_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcmulq_rot270_m_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcmulq_rot90_m_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcmulq_rot90_m_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcvtq_m_n_s16_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcvtq_m_n_s32_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcvtq_m_n_u16_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcvtq_m_n_u32_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/veorq_m_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/veorq_m_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vfmaq_m_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vfmaq_m_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vfmaq_m_n_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vfmaq_m_n_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vfmasq_m_n_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vfmasq_m_n_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vfmsq_m_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vfmsq_m_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vmaxnmq_m_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vmaxnmq_m_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vminnmq_m_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vminnmq_m_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vmulq_m_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vmulq_m_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vmulq_m_n_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vmulq_m_n_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vornq_m_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vornq_m_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vorrq_m_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vorrq_m_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vsubq_m_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vsubq_m_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vsubq_m_n_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vsubq_m_n_f32.c: Likewise.