Hi,

This patch implements support for all MVE VMOV instructions. Including 
the widening and narrowing moves VMOVL[BT] and VMOVN[BT].

gas/ChangeLog:

2019-05-01  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	* config/tc-arm.c (struct arm_it): Expand isscalar field
         to be able to distinguish between types of scalar.
	(parse_typed_reg_or_scalar): Change to accept MVE scalar
         variants.
	(parse_scalar): Likewise.
	(parse_neon_mov): Accept MVE variant.
	(po_scalar_or_goto): Make use reg_type.
	(parse_operands): Change uses of po_scalar_or_goto.
	(do_vfp_sp_monadic): Change to accept MVE variants.
	(do_vfp_reg_from_sp): Likewise.
	(do_vfp_sp_from_reg): Likewise.
	(do_vfp_dp_rd_rm): Likewise.
	(do_vfp_dp_rd_rn_rm): Likewise.
	(do_vfp_dp_rm_rd_rn): Likewise.
	(M_MNEM_vmovlt, M_MNEM_vmovlb, M_MNEM_vmovnt,
         M_MNEM_vmovnb): New instruction encodings.
	(NEON_SHAPE_DEF): New shape.
	(do_mve_mov): New encoding fuction.
	(do_mve_movn): Likewise.
	(do_mve_movl): Likewise.
	(do_neon_mov): Change to accept MVE variants.
	(mcCE): New MACRO.
         (insns): Accept new MVE variants and instructions.
	* testsuite/gas/arm/mve-vmov-bad-1.d: New test.
	* testsuite/gas/arm/mve-vmov-bad-1.l: New test.
	* testsuite/gas/arm/mve-vmov-bad-1.s: New test.
	* testsuite/gas/arm/mve-vmov-bad-2.d: New test.
	* testsuite/gas/arm/mve-vmov-bad-2.l: New test.
	* testsuite/gas/arm/mve-vmov-bad-2.s: New test.