Hi,

This patch adds support for MVE instructions VSHL and VQSHL.

gas/ChangeLog:

2019-01-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	* config/tc-arm.c (enum operand_parse_code): Add new operand.
	(parse_operands): Handle new operand.
	(do_neon_shl_imm): Accept MVE variants.
	(do_neon_shl): Likewise.
	(do_neon_qshl_imm): Likewise.
	(do_neon_qshl): Likewise.
	(do_neon_qshlu_imm): Likewise.
         (insns): Likewise.
	* testsuite/gas/arm/mve-vqshl-bad.d: New test.
	* testsuite/gas/arm/mve-vqshl-bad.l: New test.
	* testsuite/gas/arm/mve-vqshl-bad.s: New test.
	* testsuite/gas/arm/mve-vshl-bad.d: New test.
	* testsuite/gas/arm/mve-vshl-bad.l: New test.
	* testsuite/gas/arm/mve-vshl-bad.s: New test.