[PATCH 27/57][Arm][GAS] Add support for MVE instructions: vqdmladh, vqrdmladh, vqdmls...

[PATCH 27/57][Arm][GAS] Add support for MVE instructions: vqdmladh, vqrdmladh, vqdmlsdh and vqrdmlsdh

gas/ChangeLog:
2019-05-16  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	* config/tc-arm.c (do_mve_vqdmladh): New encoding function.
	(insns): Add entries for MVE mnemonics.
	* testsuite/gas/arm/mve-vqdmladh-bad.d: New test.
	* testsuite/gas/arm/mve-vqdmladh-bad.l: New test.
	* testsuite/gas/arm/mve-vqdmladh-bad.s: New test.
	* testsuite/gas/arm/mve-vqdmlsdh-bad.d: New test.
	* testsuite/gas/arm/mve-vqdmlsdh-bad.l: New test.
	* testsuite/gas/arm/mve-vqdmlsdh-bad.s: New test.